Bump XcodeCapp copyright year.

We expect this method to return a whole number like in Objective-C. This also goes for the related methods, `shortValue`, `longValue` and `longLongValue`.

Also adds more tests (in addition to the existing, already failing test).

.gitignore

@@ -5,6 +5,7 @@ Demos
 ./Aristo
 WebSite
 .push-package
+*.xcodeproj*
 *.xcodeproj/*.pbxuser
 *.xcodeproj/*.perspectivev3
 xcuserdata/
@@ -15,3 +16,4 @@ xcuserdata/
 Tests/Manual/**/*.xcodeproj
 *.sublime-project
 *.sublime-workspace
+*.tm_properties

.travis.yml

@@ -1,6 +1,6 @@
 language: node_js
 node_js:
     - 0.8
-install: ./bootstrap.sh --quiet --noprompt --directory ./narwhal
+install: ./bootstrap.sh --noprompt --directory ./narwhal
 script: jake test
 env: PATH="$TRAVIS_BUILD_DIR/narwhal/bin:$PATH" CAPP_BUILD="$TRAVIS_BUILD_DIR/Build" NARWHAL_ENGINE=rhino

AppKit/AppKit.j

@@ -20,12 +20,14 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+@import "_CPObject+Theme.j"
 @import "_CPToolTip.j"
 @import "CALayer.j"
 @import "CGGeometry.j"
 @import "CPAccordionView.j"
 @import "CPAlert.j"
 @import "CPAnimation.j"
+@import "CPAppearance.j"
 @import "CPApplication.j"
 @import "CPArrayController.j"
 @import "CPBezierPath.j"
@@ -101,12 +103,14 @@
 @import "CPTokenField.j"
 @import "CPToolbar.j"
 @import "CPToolbarItem.j"
+@import "CPTrackingArea.j"
 @import "CPTreeNode.j"
 @import "CPUserDefaultsController.j"
 @import "CPView.j"
 @import "CPViewAnimation.j"
 @import "CPViewController.j"
+@import "CPVisualEffectView.j"
 @import "CPWebView.j"
 @import "CPWindow.j"
 @import "CPWindowController.j"
-@import "CPWorkspace.j"
+@import "CPWorkspace.j"

AppKit/CPAlert.j

@@ -41,6 +41,10 @@
 
 @global CPApp
 
+var CPAlertDelegate_alertShowHelp_              = 1 << 0,
+    CPAlertDelegate_alertDidEnd_returnCode_     = 1 << 1;
+
+@typedef CPAlertStyle
 /*
     @global
     @group CPAlertStyle
@@ -59,6 +63,62 @@ CPCriticalAlertStyle        = 2;
 
 var bottomHeight = 71;
 
+@protocol CPAlertDelegate <CPObject>
+
+@optional
+- (BOOL)alertShowHelp:(CPAlert)alert;
+- (void)alertDidEnd:(CPAlert)theAlert returnCode:(int)returnCode;
+
+@end
+
+
+@implementation _CPAlertThemeView : CPView
+
++ (CPString)defaultThemeClass
+{
+    return @"alert";
+}
+
++ (CPDictionary)themeAttributes
+{
+    return @{
+            @"size": CGSizeMake(400.0, 110.0),
+            @"content-inset": CGInsetMake(15, 15, 15, 50),
+            @"informative-offset": 6,
+            @"button-offset": 10,
+            @"message-text-alignment": CPJustifiedTextAlignment,
+            @"message-text-color": [CPColor blackColor],
+            @"message-text-font": [CPFont boldSystemFontOfSize:13.0],
+            @"message-text-shadow-color": [CPNull null],
+            @"message-text-shadow-offset": CGSizeMakeZero(),
+            @"informative-text-alignment": CPJustifiedTextAlignment,
+            @"informative-text-color": [CPColor blackColor],
+            @"informative-text-font": [CPFont systemFontOfSize:12.0],
+            @"informative-text-shadow-color": [CPNull null],
+            @"informative-text-shadow-offset": CGSizeMakeZero(),
+            @"image-offset": CGPointMake(15, 12),
+            @"information-image": [CPNull null],
+            @"warning-image": [CPNull null],
+            @"error-image": [CPNull null],
+            @"help-image": [CPNull null],
+            @"help-image-left-offset": 15,
+            @"help-image-pressed": [CPNull null],
+            @"suppression-button-y-offset": 0.0,
+            @"suppression-button-x-offset": 0.0,
+            @"default-elements-margin": 3.0,
+            @"suppression-button-text-color": [CPColor blackColor],
+            @"suppression-button-text-font": [CPFont systemFontOfSize:12.0],
+            @"suppression-button-text-shadow-color": [CPNull null],
+            @"suppression-button-text-shadow-offset": 0.0,
+            @"modal-window-button-margin-y": 0.0,
+            @"modal-window-button-margin-x": 0.0,
+            @"standard-window-button-margin-y": 0.0,
+            @"standard-window-button-margin-x": 0.0,
+        };
+}
+
+@end
+
 /*!
     @ingroup appkit
 
@@ -83,32 +143,33 @@ var bottomHeight = 71;
 */
 @implementation CPAlert : CPObject
 {
-    BOOL                _showHelp               @accessors(property=showsHelp);
-    BOOL                _showSuppressionButton  @accessors(property=showsSuppressionButton);
+    BOOL                    _showHelp                   @accessors(property=showsHelp);
+    BOOL                    _showSuppressionButton      @accessors(property=showsSuppressionButton);
 
-    CPAlertStyle        _alertStyle             @accessors(property=alertStyle);
-    CPString            _title                  @accessors(property=title);
-    CPView              _accessoryView          @accessors(property=accessoryView);
-    CPImage             _icon                   @accessors(property=icon);
+    CPAlertStyle            _alertStyle                 @accessors(property=alertStyle);
+    CPString                _title                      @accessors(property=title);
+    CPView                  _accessoryView              @accessors(property=accessoryView);
+    CPImage                 _icon                       @accessors(property=icon);
 
-    CPArray             _buttons                @accessors(property=buttons, readonly);
-    CPCheckBox          _suppressionButton      @accessors(property=suppressionButton, readonly);
+    CPArray                 _buttons                    @accessors(property=buttons, readonly);
+    CPCheckBox              _suppressionButton          @accessors(property=suppressionButton, readonly);
 
-    id                  _delegate               @accessors(property=delegate);
-    id                  _modalDelegate;
-    SEL                 _didEndSelector         @accessors(property=didEndSelector);
-    Function            _didEndBlock;
+    id <CPAlertDelegate>    _delegate                   @accessors(property=delegate);
+    id                      _modalDelegate;
+    SEL                     _didEndSelector             @accessors(property=didEndSelector);
+    Function                _didEndBlock;
+    unsigned                _implementedDelegateMethods;
 
-    _CPAlertThemeView   _themeView              @accessors(property=themeView, readonly);
-    CPWindow            _window                 @accessors(property=window, readonly);
-    int                 _defaultWindowStyle;
+    _CPAlertThemeView       _themeView                  @accessors(property=themeView, readonly);
+    CPWindow                _window                     @accessors(property=window, readonly);
+    int                     _defaultWindowStyle;
 
-    CPImageView         _alertImageView;
-    CPTextField         _informativeLabel;
-    CPTextField         _messageLabel;
-    CPButton            _alertHelpButton;
+    CPImageView             _alertImageView;
+    CPTextField             _informativeLabel;
+    CPTextField             _messageLabel;
+    CPButton                _alertHelpButton;
 
-    BOOL                _needsLayout;
+    BOOL                    _needsLayout;
 }
 
 #pragma mark Creating Alerts
@@ -187,6 +248,30 @@ var bottomHeight = 71;
     return self;
 }
 
+
+#pragma mark -
+#pragma mark Delegate
+
+/*!
+    Set the delegate of the receiver
+    @param aDelegate the delegate object for the alert.
+*/
+- (void)setDelegate:(id <CPAlertDelegate>)aDelegate
+{
+    if (_delegate === aDelegate)
+        return;
+
+    _delegate = aDelegate;
+    _implementedDelegateMethods = 0;
+
+    if ([_delegate respondsToSelector:@selector(alertShowHelp:)])
+        _implementedDelegateMethods |= CPAlertDelegate_alertShowHelp_;
+
+    if ([_delegate respondsToSelector:@selector(alertDidEnd:returnCode:)])
+        _implementedDelegateMethods |= CPAlertDelegate_alertDidEnd_returnCode_;
+}
+
+
 #pragma mark Accessors
 
 - (CPTheme)theme
@@ -219,7 +304,7 @@ var bottomHeight = 71;
     [_themeView setValue:aValue forThemeAttribute:aName];
 }
 
-- (void)setValue:(id)aValue forThemeAttribute:(CPString)aName inState:(CPThemeState)aState
+- (void)setValue:(id)aValue forThemeAttribute:(CPString)aName inState:(ThemeState)aState
 {
     [_themeView setValue:aValue forThemeAttribute:aName inState:aState];
 }
@@ -696,8 +781,7 @@ var bottomHeight = 71;
 */
 - (@action)_showHelp:(id)aSender
 {
-    if ([_delegate respondsToSelector:@selector(alertShowHelp:)])
-        [_delegate alertShowHelp:self];
+    [self _sendDelegateAlertShowHelp];
 }
 
 /*
@@ -737,62 +821,44 @@ var bottomHeight = 71;
     else if (_modalDelegate)
     {
         if (_didEndSelector)
-            objj_msgSend(_modalDelegate, _didEndSelector, self, returnCode, contextInfo);
+            _modalDelegate.isa.objj_msgSend3(_modalDelegate, _didEndSelector, self, returnCode, contextInfo);
     }
     else if (_delegate)
     {
         if (_didEndSelector)
-            objj_msgSend(_delegate, _didEndSelector, self, returnCode);
-        else if ([_delegate respondsToSelector:@selector(alertDidEnd:returnCode:)])
-            [_delegate alertDidEnd:self returnCode:returnCode];
+            _delegate.isa.objj_msgSend2(_delegate, _didEndSelector, self, returnCode);
+        else
+            [self _sendDelegateAlertDidEndReturnCode:returnCode];
     }
 }
 
 @end
 
-@implementation _CPAlertThemeView : CPView
 
-+ (CPString)defaultThemeClass
+@implementation CPAlert (CPAlertDelegate)
+
+/*!
+    @ignore
+    Call the delegate alertDidEnd:returnCode
+*/
+- (void)_sendDelegateAlertDidEndReturnCode:(int)returnCode
 {
-    return @"alert";
+    if (!(_implementedDelegateMethods & CPAlertDelegate_alertDidEnd_returnCode_))
+        return;
+
+    [_delegate alertDidEnd:self returnCode:returnCode];
 }
 
-+ (CPDictionary)themeAttributes
+/*!
+    @ignore
+    Call the delegate alertShowHelp:
+*/
+- (BOOL)_sendDelegateAlertShowHelp
 {
-    return @{
-            @"size": CGSizeMake(400.0, 110.0),
-            @"content-inset": CGInsetMake(15, 15, 15, 50),
-            @"informative-offset": 6,
-            @"button-offset": 10,
-            @"message-text-alignment": CPJustifiedTextAlignment,
-            @"message-text-color": [CPColor blackColor],
-            @"message-text-font": [CPFont boldSystemFontOfSize:13.0],
-            @"message-text-shadow-color": [CPNull null],
-            @"message-text-shadow-offset": CGSizeMakeZero(),
-            @"informative-text-alignment": CPJustifiedTextAlignment,
-            @"informative-text-color": [CPColor blackColor],
-            @"informative-text-font": [CPFont systemFontOfSize:12.0],
-            @"informative-text-shadow-color": [CPNull null],
-            @"informative-text-shadow-offset": CGSizeMakeZero(),
-            @"image-offset": CGPointMake(15, 12),
-            @"information-image": [CPNull null],
-            @"warning-image": [CPNull null],
-            @"error-image": [CPNull null],
-            @"help-image": [CPNull null],
-            @"help-image-left-offset": 15,
-            @"help-image-pressed": [CPNull null],
-            @"suppression-button-y-offset": 0.0,
-            @"suppression-button-x-offset": 0.0,
-            @"default-elements-margin": 3.0,
-            @"suppression-button-text-color": [CPColor blackColor],
-            @"suppression-button-text-font": [CPFont systemFontOfSize:12.0],
-            @"suppression-button-text-shadow-color": [CPNull null],
-            @"suppression-button-text-shadow-offset": 0.0,
-            @"modal-window-button-margin-y": 0.0,
-            @"modal-window-button-margin-x": 0.0,
-            @"standard-window-button-margin-y": 0.0,
-            @"standard-window-button-margin-x": 0.0,
-        };
+    if (!(_implementedDelegateMethods & CPAlertDelegate_alertShowHelp_))
+        return YES;
+
+    return [_delegate alertShowHelp:self];
 }
 
 @end

AppKit/CPAnimation.j

@@ -26,25 +26,26 @@
 @import "CAMediaTimingFunction.j"
 
 
-/*
-    @global
-    @group CPAnimationCurve
-*/
+@protocol CPAnimationDelegate <CPObject>
+
+@optional
+- (BOOL)animationShouldStart:(CPAnimation)animation;
+- (float)animation:(CPAnimation)animation valueForProgress:(float)progress;
+- (void)animationDidEnd:(CPAnimation)animation;
+- (void)animationDidStop:(CPAnimation)animation;
+
+@end
+
+
+var CPAnimationDelegate_animationShouldStart_       = 1 << 1,
+    CPAnimationDelegate_animation_valueForProgress_ = 1 << 2,
+    CPAnimationDelegate_animationDidEnd_            = 1 << 3,
+    CPAnimationDelegate_animationDidStop_           = 1 << 4;
+
+@typedef CPAnimationCurve
 CPAnimationEaseInOut    = 0;
-/*
-    @global
-    @group CPAnimationCurve
-*/
 CPAnimationEaseIn       = 1;
-/*
-    @global
-    @group CPAnimationCurve
-*/
 CPAnimationEaseOut      = 2;
-/*
-    @global
-    @group CPAnimationCurve
-*/
 CPAnimationLinear       = 3;
 
 ACTUAL_FRAME_RATE = 0;
@@ -80,17 +81,18 @@ ACTUAL_FRAME_RATE = 0;
 */
 @implementation CPAnimation : CPObject
 {
-    CPTimeInterval          _lastTime;
-    CPTimeInterval          _duration;
+    CPTimeInterval              _lastTime;
+    CPTimeInterval              _duration;
 
-    CPAnimationCurve        _animationCurve;
-    CAMediaTimingFunction   _timingFunction;
+    CPAnimationCurve            _animationCurve;
+    CAMediaTimingFunction       _timingFunction;
 
-    float                   _frameRate;
-    float                   _progress;
+    float                       _frameRate;
+    float                       _progress;
 
-    id                      _delegate;
-    CPTimer                 _timer;
+    id <CPAnimationDelegate>    _delegate;
+    CPTimer                     _timer;
+    unsigned                    _implementedDelegateMethods;
 }
 
 /*!
@@ -214,9 +216,25 @@ ACTUAL_FRAME_RATE = 0;
     Sets the animation's delegate.
     @param aDelegate the new delegate
 */
-- (void)setDelegate:(id)aDelegate
+- (void)setDelegate:(id <CPAnimationDelegate>)aDelegate
 {
+    if (_delegate === aDelegate)
+        return;
+
     _delegate = aDelegate;
+    _implementedDelegateMethods = 0;
+
+    if ([_delegate respondsToSelector:@selector(animationShouldStart:)])
+        _implementedDelegateMethods |= CPAnimationDelegate_animationShouldStart_;
+
+    if ([_delegate respondsToSelector:@selector(animationDidEnd:)])
+        _implementedDelegateMethods |= CPAnimationDelegate_animationDidEnd_;
+
+    if ([_delegate respondsToSelector:@selector(animationDidStop:)])
+        _implementedDelegateMethods |= CPAnimationDelegate_animationDidStop_;
+
+    if ([_delegate respondsToSelector:@selector(animation:valueForProgress:)])
+        _implementedDelegateMethods |= CPAnimationDelegate_animation_valueForProgress_;
 }
 
 /*!
@@ -227,7 +245,7 @@ ACTUAL_FRAME_RATE = 0;
 - (void)startAnimation
 {
     // If we're already animating, or our delegate stops us, animate.
-    if (_timer || _delegate && [_delegate respondsToSelector:@selector(animationShouldStart:)] && ![_delegate animationShouldStart:self])
+    if (_timer || ![self _sendDelegateAnimationShouldStart])
         return;
 
     if (_progress === 1.0)
@@ -236,7 +254,7 @@ ACTUAL_FRAME_RATE = 0;
     ACTUAL_FRAME_RATE = 0;
     _lastTime = new Date();
 
-    var timerInterval = _frameRate <= 0.0 ? 0.0001 : 1.0/_frameRate;
+    var timerInterval = _frameRate <= 0.0 ? 0.0001 : 1.0 / _frameRate;
 
     _timer = [CPTimer scheduledTimerWithTimeInterval:timerInterval target:self selector:@selector(animationTimerDidFire:) userInfo:nil repeats:YES];
 }
@@ -260,8 +278,7 @@ ACTUAL_FRAME_RATE = 0;
         [_timer invalidate];
         _timer = nil;
 
-        if ([_delegate respondsToSelector:@selector(animationDidEnd:)])
-            [_delegate animationDidEnd:self];
+        [self _sendDelegateAnimationDidEnd];
     }
 }
 
@@ -276,8 +293,7 @@ ACTUAL_FRAME_RATE = 0;
     [_timer invalidate];
     _timer = nil;
 
-    if ([_delegate respondsToSelector:@selector(animationDidStop:)])
-        [_delegate animationDidStop:self];
+    [self _sendDelegateAnimationDidStop];
 }
 
 /*!
@@ -313,8 +329,8 @@ ACTUAL_FRAME_RATE = 0;
 {
     var t = [self currentProgress];
 
-    if ([_delegate respondsToSelector:@selector(animation:valueForProgress:)])
-        return [_delegate animation:self valueForProgress:t];
+    if ([self _delegateRespondsToAnimationValueForProgress])
+        return [self _sendDelegateAnimationValueForProgress:t];
 
     if (_animationCurve == CPAnimationLinear)
         return t;
@@ -330,6 +346,68 @@ ACTUAL_FRAME_RATE = 0;
 
 @end
 
+
+@implementation CPAnimation (CPAnimationDelegate)
+
+/*!
+    @ignore
+    Check if the delegate responds to animation:valueForProgress:
+*/
+- (BOOL)_delegateRespondsToAnimationValueForProgress
+{
+    return _implementedDelegateMethods & CPAnimationDelegate_animation_valueForProgress_;
+}
+
+/*!
+    @ignore
+    Call delegate animationShouldStart:
+*/
+- (BOOL)_sendDelegateAnimationShouldStart
+{
+    if (!(_implementedDelegateMethods & CPAnimationDelegate_animationShouldStart_))
+        return YES;
+
+    return [_delegate animationShouldStart:self];
+}
+
+/*!
+    @ignore
+    Call delegate animation:valueForProgress:
+*/
+- (float)_sendDelegateAnimationValueForProgress:(float)aProgress
+{
+    if (!(_implementedDelegateMethods & CPAnimationDelegate_animation_valueForProgress_))
+        return aProgress;
+
+    return [_delegate animation:self valueForProgress:aProgress];
+}
+
+/*!
+    @ignore
+    Call delegate animationDidEnd:
+*/
+- (void)_sendDelegateAnimationDidEnd
+{
+    if (!(_implementedDelegateMethods & CPAnimationDelegate_animationDidEnd_))
+        return;
+
+    [_delegate animationDidEnd:self];
+}
+
+/*!
+    @ignore
+    Call delegate animationDidStop:
+*/
+- (void)_sendDelegateAnimationDidStop
+{
+    if (!(_implementedDelegateMethods & CPAnimationDelegate_animationDidStop_))
+        return;
+
+    [_delegate animationDidStop:self];
+}
+
+@end
+
 // currently used function to determine time
 // 1:1 conversion to js from webkit source files
 // UnitBezier.h, WebCore_animation_AnimationBase.cpp

AppKit/CPAppearance.j

@@ -0,0 +1,162 @@
+/*
+ * CPAppearance.j
+ * AppKit
+ *
+ * Created by Antoine Mercadal.
+ * Copyright 2015, Cappuccino Project.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+@import <Foundation/Foundation.j>
+@import "CPTheme.j"
+
+CPAppearanceNameAqua         = @"CPAppearanceNameAqua";
+CPAppearanceNameLightContent = @"CPAppearanceNameLightContent";
+CPAppearanceNameVibrantDark  = @"CPAppearanceNameVibrantDark";
+CPAppearanceNameVibrantLight = @"CPAppearanceNameVibrantLight";
+
+var _CPAppearanceCurrent = nil,
+    _CPAppearancesRegistry = @{};
+
+
+@protocol CPAppearanceCustomization <CPObject>
+
+@required
+- (CPAppearance)appearance;
+- (void)setAppearance:(CPAppearance)appearance;
+- (CPAppearance)effectiveAppearance;
+- (void)setEffectiveAppearance:(CPAppearance)appearance;
+
+@end
+
+CPThemeStateAppearanceAqua             = CPThemeState("appearance-aqua");
+CPThemeStateAppearanceLightContent     = CPThemeState("appearance-light-content");
+CPThemeStateAppearanceVibrantLight     = CPThemeState("appearance-vibrant-light");
+CPThemeStateAppearanceVibrantDark      = CPThemeState("appearance-vibrant-dark");
+
+
+/*!
+    @ingroup appkit
+
+    A CPAppareance represents the appearance of an to a subset of UI elements.
+    This is a very lightweight implementation of the NSAppearance system, but
+    We are using it for compliance, and especially for the CPVisualEffectView
+*/
+@implementation CPAppearance : CPObject
+{
+    BOOL            _allowsVibrancy     @accessors(property=allowsVibrancy);
+
+    CPString        _name;
+}
+
+
+#pragma mark -
+#pragma mark Class Methods
+
+/*! Returns the current default CPAppearance
+*/
++ (CPAppearance)currentAppearance
+{
+    if (!_CPAppearanceCurrent)
+        _CPAppearanceCurrent = [CPAppearance appearanceNamed:CPAppearanceNameAqua];
+
+    return _CPAppearanceCurrent;
+}
+
+/*! Sets the current default CPAppearance
+    @param appearance the new current appearance
+*/
++ (void)setCurrentAppearance:(CPAppearance)anAppearance
+{
+    _CPAppearanceCurrent = anAppearance;
+}
+
+/*! Returns the CPAppearance object with the given name
+    @param name the name of the appearance
+*/
++ (CPAppearance)appearanceNamed:(CPString)aName
+{
+    if (![_CPAppearancesRegistry containsKey:aName])
+    {
+        [_CPAppearancesRegistry setObject:[[CPAppearance alloc] initWithAppearanceNamed:aName bundle:nil]
+                                   forKey:aName];
+    }
+
+    return [_CPAppearancesRegistry objectForKey:aName];
+}
+
+
+#pragma mark -
+#pragma mark Initialization
+
+/*! Creates a CPAppearance object initialized to the specified appearance file in the specified bundle
+    This method does actually nothing special. It just creates a default appearance object
+*/
+- (id)initWithAppearanceNamed:(CPString)aName bundle:(CPBundle)bundle
+{
+    if (self = [super init])
+    {
+        _name = aName;
+        _allowsVibrancy = YES;
+
+        if ([_CPAppearancesRegistry containsKey:aName])
+            [CPException raise:CPInternalInconsistencyException reason:"Appearance with name '" + aName + "' is already declared."];
+
+        [_CPAppearancesRegistry setObject:self forKey:aName];
+    }
+
+    return self;
+}
+
+
+#pragma mark -
+#pragma mark Implementation
+
+- (BOOL)isEqual:(id)anObject
+{
+    if (![anObject isKindOfClass:CPAppearance])
+        return NO;
+
+    return self._name == anObject._name;
+}
+
+- (CPString)description
+{
+    return @"<CPAppearance @" + [self UID] + @" name: " + _name + ">";
+}
+
+
+#pragma mark -
+#pragma mark CPCoding
+
+- (id)initWithCoder:(CPCoder)aCoder
+{
+    if (self = [super init])
+    {
+        _name           = [aCoder decodeObjectForKey:@"_name"];
+        _allowsVibrancy = [aCoder decodeBoolForKey:@"_allowsVibrancy"];
+    }
+
+    return self;
+}
+
+- (void)encodeWithCoder:(CPCoder)aCoder
+{
+    [aCoder encodeObject:_name forKey:@"_name"];
+    [aCoder encodeBool:_allowsVibrancy forKey:@"_allowsVibrancy"];
+}
+
+@end

AppKit/CPApplication.j

@@ -37,10 +37,32 @@
 @import "CPWindowController.j"
 @import "_CPPopoverWindow.j"
 
+@typedef CPModalSession
+
 var CPMainCibFile               = @"CPMainCibFile",
     CPMainCibFileHumanFriendly  = @"Main cib file base name",
     CPEventModifierFlags = 0;
 
+
+@protocol CPApplicationDelegate <CPObject>
+
+@optional
+- (CPApplicationTerminateReply)applicationShouldTerminate:(CPApplication)sender;
+- (CPString)applicationShouldTerminateMessage:(CPApplication)sender;
+- (void)applicationDidBecomeActive:(CPNotification)aNotification;
+- (void)applicationDidChangeScreenParameters:(CPNotification)aNotification;
+- (void)applicationDidFinishLaunching:(CPNotification)aNotification;
+- (void)applicationDidResignActive:(CPNotification)aNotification;
+- (void)applicationWillBecomeActive:(CPNotification)aNotification;
+- (void)applicationWillFinishLaunching:(CPNotification)aNotification;
+- (void)applicationWillResignActive:(CPNotification)aNotification;
+- (void)applicationWillTerminate:(CPNotification)aNotification;
+
+@end
+
+var CPApplicationDelegate_applicationShouldTerminate_           = 1 << 0,
+    CPApplicationDelegate_applicationShouldTerminateMessage_    = 1 << 1;
+
 /*!
     @ingroup appkit
     @class CPApplication
@@ -68,36 +90,38 @@ var CPMainCibFile               = @"CPMainCibFile",
 */
 @implementation CPApplication : CPResponder
 {
-    CPArray                 _eventListeners;
-    int                     _eventListenerInsertionIndex;
+    CPArray                     _eventListeners;
+    int                         _eventListenerInsertionIndex;
 
-    CPEvent                 _currentEvent;
-    CPWindow                _lastMouseMoveWindow;
+    CPEvent                     _currentEvent;
+    CPWindow                    _lastMouseMoveWindow;
 
-    CPArray                 _windows;
-    CPWindow                _keyWindow;
-    CPWindow                _mainWindow;
-    CPWindow                _previousKeyWindow;
-    CPWindow                _previousMainWindow;
+    CPArray                     _windows;
+    CPWindow                    _keyWindow;
+    CPWindow                    _mainWindow;
+    CPWindow                    _previousKeyWindow;
+    CPWindow                    _previousMainWindow;
 
-    CPDocumentController    _documentController;
+    CPDocumentController        _documentController;
 
-    CPModalSession          _currentSession;
+    CPModalSession              _currentSession;
 
     //
-    id                      _delegate;
-    BOOL                    _finishedLaunching;
-    BOOL                    _isActive;
+    id <CPApplicationDelegate>  _delegate;
+    CPInteger                   _implementedDelegateMethods;
 
-    CPDictionary            _namedArgs;
-    CPArray                 _args;
-    CPString                _fullArgsString;
+    BOOL                        _finishedLaunching;
+    BOOL                        _isActive;
 
-    CPImage                 _applicationIconImage;
+    CPDictionary                _namedArgs;
+    CPArray                     _args;
+    CPString                    _fullArgsString;
 
-    CPPanel                 _aboutPanel;
+    CPImage                     _applicationIconImage;
 
-    CPThemeBlend            _themeBlend @accessors(property=themeBlend);
+    CPPanel                     _aboutPanel;
+
+    CPThemeBlend                _themeBlend @accessors(property=themeBlend);
 }
 
 /*!
@@ -143,11 +167,13 @@ var CPMainCibFile               = @"CPMainCibFile",
     react to these events.
     @param aDelegate the delegate object
 */
-- (void)setDelegate:(id)aDelegate
+- (void)setDelegate:(id <CPApplicationDelegate>)aDelegate
 {
     if (_delegate == aDelegate)
         return;
 
+    _implementedDelegateMethods = 0;
+
     var defaultCenter = [CPNotificationCenter defaultCenter],
         delegateNotifications =
         [
@@ -188,6 +214,12 @@ var CPMainCibFile               = @"CPMainCibFile",
         if ([_delegate respondsToSelector:selector])
             [defaultCenter addObserver:_delegate selector:selector name:notificationName object:self];
     }
+
+    if ([_delegate respondsToSelector:@selector(applicationShouldTerminate:)])
+        _implementedDelegateMethods |= CPApplicationDelegate_applicationShouldTerminate_
+
+    if ([_delegate respondsToSelector:@selector(applicationShouldTerminateMessage:)])
+        _implementedDelegateMethods |= CPApplicationDelegate_applicationShouldTerminateMessage_
 }
 
 /*!
@@ -409,12 +441,7 @@ var CPMainCibFile               = @"CPMainCibFile",
 {
     // callback method for terminate:
     if (didCloseAll)
-    {
-        if ([_delegate respondsToSelector:@selector(applicationShouldTerminate:)])
-            [self replyToApplicationShouldTerminate:[_delegate applicationShouldTerminate:self]];
-        else
-            [self replyToApplicationShouldTerminate:YES];
-    }
+        [self replyToApplicationShouldTerminate:[self _sendDelegateApplicationShouldTerminate]];
 }
 
 - (void)replyToApplicationShouldTerminate:(BOOL)terminate
@@ -428,16 +455,22 @@ var CPMainCibFile               = @"CPMainCibFile",
 
 - (void)activateIgnoringOtherApps:(BOOL)shouldIgnoreOtherApps
 {
+    if (_isActive)
+        return;
+
     [self _willBecomeActive];
 
     [CPPlatform activateIgnoringOtherApps:shouldIgnoreOtherApps];
     _isActive = YES;
 
-    [self _willResignActive];
+    [self _didBecomeActive];
 }
 
 - (void)deactivate
 {
+    if (!_isActive)
+        return;
+
     [self _willResignActive];
 
     [CPPlatform deactivate];
@@ -463,6 +496,15 @@ var CPMainCibFile               = @"CPMainCibFile",
 - (void)run
 {
     [self finishLaunching];
+    [self sendEvent:[CPEvent otherEventWithType:CPAppKitDefined
+                                       location:CGPointMakeZero()
+                                  modifierFlags:0
+                                      timestamp:[CPEvent currentTimestamp]
+                                   windowNumber:[_keyWindow windowNumber]
+                                        context:nil
+                                        subtype:nil
+                                          data1:nil
+                                          data2:nil]];
 }
 
 // Managing the Event Loop
@@ -942,7 +984,7 @@ var CPMainCibFile               = @"CPMainCibFile",
 */
 - (void)setTarget:(id)aTarget selector:(SEL)aSelector forNextEventMatchingMask:(unsigned int)aMask untilDate:(CPDate)anExpiration inMode:(CPString)aMode dequeue:(BOOL)shouldDequeue
 {
-    _eventListeners.splice(_eventListenerInsertionIndex++, 0, _CPEventListenerMake(aMask, function (anEvent) { objj_msgSend(aTarget, aSelector, anEvent); }, shouldDequeue));
+    _eventListeners.splice(_eventListenerInsertionIndex++, 0, _CPEventListenerMake(aMask, function (anEvent) { if (aTarget != null) aTarget.isa.objj_msgSend1(aTarget, aSelector, anEvent); }, shouldDequeue));
 }
 
 /*!
@@ -971,7 +1013,9 @@ var CPMainCibFile               = @"CPMainCibFile",
         return;
     }
 
-    [aSheet._windowView _enableSheet:YES inWindow:aWindow];
+    if (![aWindow attachedSheet])
+        [aSheet._windowView _enableSheet:YES inWindow:aWindow];
+
     [aWindow _attachSheet:aSheet modalDelegate:aModalDelegate didEndSelector:didEndSelector contextInfo:contextInfo];
 }
 
@@ -1158,7 +1202,7 @@ var CPMainCibFile               = @"CPMainCibFile",
         [[self keyWindow] orderFront:self];
     else if ([self mainWindow])
         [[self mainWindow] makeKeyAndOrderFront:self];
-    else
+    else if ([self mainMenu])
         [[self mainMenu]._menuWindow makeKeyWindow]; //FIXME this may not actually work
 
     _previousKeyWindow = nil;
@@ -1176,6 +1220,22 @@ var CPMainCibFile               = @"CPMainCibFile",
                                                       userInfo:nil];
 }
 
+- (BOOL)_sendDelegateApplicationShouldTerminate
+{
+    if (!(_implementedDelegateMethods & CPApplicationDelegate_applicationShouldTerminate_))
+        return YES;
+
+    return [_delegate applicationShouldTerminate:self];
+}
+
+- (CPString)_sendDelegateApplicationShouldTerminateMessage
+{
+    if (!(_implementedDelegateMethods & CPApplicationDelegate_applicationShouldTerminateMessage_))
+        return @"You have attempted to leave this page. Are you sure you want to exit this page?";
+
+    return [_delegate applicationShouldTerminateMessage:self];
+}
+
 - (void)_didResignActive
 {
     if (self._activeMenu)
@@ -1298,7 +1358,7 @@ var _CPAppBootstrapperActions = nil;
     {
         var action = _CPAppBootstrapperActions.shift();
 
-        if (objj_msgSend(self, action))
+        if (self.isa.objj_msgSend0(self, action))
             return;
     }
 

AppKit/CPApplication_Constants.j

@@ -31,6 +31,7 @@ CPApplicationWillResignActiveNotification           = @"CPApplicationWillResignA
 CPApplicationDidResignActiveNotification            = @"CPApplicationDidResignActiveNotification";
 CPApplicationDidChangeScreenParametersNotification  = @"CPApplicationDidChangeScreenParametersNotification";
 
+@typedef CPApplicationTerminateReply
 CPTerminateNow      = YES;
 CPTerminateCancel   = NO;
 CPTerminateLater    = -1; // not currently supported

AppKit/CPArrayController.j

@@ -23,7 +23,7 @@
  */
 
 @import <Foundation/CPIndexSet.j>
-
+@import <Foundation/CPPredicate.j>
 @import "CPObjectController.j"
 @import "CPKeyValueBinding.j"
 

AppKit/CPBox.j

@@ -24,6 +24,7 @@
 @import "CPView.j"
 
 // CPBoxType
+@typedef CPBoxType
 CPBoxPrimary    = 0;
 CPBoxSecondary  = 1;
 CPBoxSeparator  = 2;
@@ -31,12 +32,14 @@ CPBoxOldStyle   = 3;
 CPBoxCustom     = 4;
 
 // CPBorderType
+@typedef CPBorderType
 CPNoBorder      = 0;
 CPLineBorder    = 1;
 CPBezelBorder   = 2;
 CPGrooveBorder  = 3;
 
 // CPTitlePosition
+@typedef CPTitlePosition
 CPNoTitle     = 0;
 CPAboveTop    = 1;
 CPAtTop       = 2;
@@ -595,7 +598,8 @@ var CPBoxTypeKey          = @"CPBoxTypeKey",
     CPBoxBorderTypeKey    = @"CPBoxBorderTypeKey",
     CPBoxTitle            = @"CPBoxTitle",
     CPBoxTitlePosition    = @"CPBoxTitlePosition",
-    CPBoxTitleView        = @"CPBoxTitleView";
+    CPBoxTitleView        = @"CPBoxTitleView",
+    CPBoxContentView      = @"CPBoxContentView";
 
 @implementation CPBox (CPCoding)
 
@@ -612,7 +616,20 @@ var CPBoxTypeKey          = @"CPBoxTypeKey",
         _titlePosition = [aCoder decodeIntForKey:CPBoxTitlePosition];
         _titleView     = [aCoder decodeObjectForKey:CPBoxTitleView] || [CPTextField labelWithTitle:_title];
 
-        _contentView   = [self subviews][0];
+        if (_boxType != CPBoxSeparator)
+        {
+            // FIXME: we have a problem with CIB decoding here.
+            // We should be able to simply add : _contentView = [self subviews][0]
+            // but first box subview seems to be malformed (badly decoded).
+            // For example, when deployed, this view doesn't have its _trackingAreas array initialized.
+            // As a (temporary) workaround, we encode/decode the _contentView property. We then transfer the subview hierarchy
+            // and replace the first (and only) box subview with this _contentView
+
+            _contentView = [aCoder decodeObjectForKey:CPBoxContentView] || [[CPView alloc] initWithFrame:[self bounds]];
+            var malformedContentView = [self subviews][0];
+            [_contentView setSubviews:[malformedContentView subviews]];
+            [self replaceSubview:malformedContentView with:_contentView];
+        }
 
         [self setAutoresizesSubviews:YES];
         [_contentView setAutoresizingMask:CPViewWidthSizable | CPViewHeightSizable];
@@ -632,6 +649,7 @@ var CPBoxTypeKey          = @"CPBoxTypeKey",
     [aCoder encodeObject:_title forKey:CPBoxTitle];
     [aCoder encodeInt:_titlePosition forKey:CPBoxTitlePosition];
     [aCoder encodeObject:_titleView forKey:CPBoxTitleView];
+    [aCoder encodeObject:_contentView forKey:CPBoxContentView];
 }
 
 @end

AppKit/CPBrowser.j

@@ -20,6 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+@import <Foundation/CPObject.j>
 @import <Foundation/CPIndexSet.j>
 
 @import "CPControl.j"
@@ -30,40 +31,86 @@
 
 @global CPApp
 
+@protocol CPBrowserDelegate <CPObject>
+
+@optional
+- (BOOL)browser:(CPBrowser)browser acceptDrop:(id)info atRow:(CPInteger)row column:(CPInteger)column dropOperation:(CPTableViewDropOperation)dropOperation;
+- (BOOL)browser:(CPBrowser)browser canDragRowsWithIndexes:(CPIndexSet)rowIndexes inColumn:(CPInteger)column withEvent:(CPEvent )event;
+- (BOOL)browser:(CPBrowser)browser isLeafItem:(id)item;
+- (BOOL)browser:(CPBrowser)browser shouldSelectRowIndexes:(CPIndexSet)anIndexSet inColumn:(CPInteger)column;
+- (BOOL)browser:(CPBrowser)browser writeRowsWithIndexes:(CPIndexSet)rowIndexes inColumn:(CPInteger)column toPasteboard:(CPPasteboard)pasteboard;
+- (CPDragOperation)browser:(CPBrowser)browser validateDrop:(id)info proposedRow:(CPInteger)row column:(CPInteger)column dropOperation:(CPTableViewDropOperation)dropOperation;
+- (CPImage)browser:(CPBrowser)browser imageValueForItem:(id)anItem;
+- (CPImage)browser:(CPBrowser)browser draggingImageForRowsWithIndexes:(CPIndexSet)rowIndexes inColumn:(CPInteger)column withEvent:(CPEvent)event offset:(CGPoint)dragImageOffset;
+- (CPImage)browser:(CPBrowser)browser imageValueForItem:(id)item;
+- (CPIndexSet)browser:(CPBrowser)browser selectionIndexesForProposedSelection:(CPIndexSet)proposedSelectionIndexes inColumn:(CPInteger)column;
+- (CPInteger)browser:(CPBrowser)browser numberOfChildrenOfItem:(id)item;
+- (CPView)browser:(CPBrowser)browser draggingViewForRowsWithIndexes:(CPIndexSet)rowIndexes inColumn:(CPInteger)column withEvent:(CPEvent)event offset:(CGPoint)dragImageOffset;
+- (id)browser:(CPBrowser)browser child:(CPInteger)index ofItem:(id)item;
+- (id)browser:(CPBrowser)browser objectValueForItem:(id)item;
+- (id)rootItemForBrowser:(CPBrowser)browser;
+- (void)browser:(CPBrowser)browser didChangeLastColumn:(CPInteger)oldLastColumn toColumn:(CPInteger)column;
+- (void)browser:(CPBrowser)browser didResizeColumn:(CPInteger)column;
+- (void)browserSelectionIsChanging:(CPBrowser)browser;
+- (void)browserSelectionDidChange:(CPBrowser)browser;
+
+@end
+
+var CPBrowserDelegate_browser_acceptDrop_atRow_column_dropOperation_                        = 1 << 1,
+    CPBrowserDelegate_browser_canDragRowsWithIndexes_inColumn_withEvent_                    = 1 << 2,
+    CPBrowserDelegate_browser_isLeafItem_                                                   = 1 << 3,
+    CPBrowserDelegate_browser_shouldSelectRowIndexes_inColumn_                              = 1 << 4,
+    CPBrowserDelegate_browser_writeRowsWithIndexes_inColumn_toPasteboard_                   = 1 << 5,
+    CPBrowserDelegate_browser_validateDrop_proposedRow_column_dropOperation_                = 1 << 6,
+    CPBrowserDelegate_browser_imageValueForItem_                                            = 1 << 7,
+    CPBrowserDelegate_browser_draggingImageForRowsWithIndexes_inColumn_withEvent_offset_    = 1 << 8,
+    CPBrowserDelegate_browser_imageValueForItem_                                            = 1 << 9,
+    CPBrowserDelegate_browser_selectionIndexesForProposedSelection_inColumn_                = 1 << 10,
+    CPBrowserDelegate_browser_numberOfChildrenOfItem_                                       = 1 << 11,
+    CPBrowserDelegate_browser_draggingViewForRowsWithIndexes_inColumn_withEvent_offset_     = 1 << 12,
+    CPBrowserDelegate_browser_child_ofItem_                                                 = 1 << 13,
+    CPBrowserDelegate_browser_objectValueForItem_                                           = 1 << 14,
+    CPBrowserDelegate_rootItemForBrowser_                                                   = 1 << 15,
+    CPBrowserDelegate_browser_didChangeLastColumn_toColumn_                                 = 1 << 16,
+    CPBrowserDelegate_browser_didResizeColumn_                                              = 1 << 17,
+    CPBrowserDelegate_browserSelectionIsChanging_                                           = 1 << 18,
+    CPBrowserDelegate_browserSelectionDidChange_                                            = 1 << 19;
+
 /*!
     @ingroup appkit
     @class CPBrowser
 */
 @implementation CPBrowser : CPControl
 {
-    id              _delegate;
-    CPString        _pathSeparator;
+    id <CPBrowserDelegate>  _delegate;
+    CPString                _pathSeparator;
+    unsigned                _implementedDelegateMethods;
 
-    CPView          _contentView;
-    CPScrollView    _horizontalScrollView;
-    CPView          _prototypeView;
+    CPView                  _contentView;
+    CPScrollView            _horizontalScrollView;
+    CPView                  _prototypeView;
 
-    CPArray         _tableViews;
-    CPArray         _tableDelegates;
+    CPArray                 _tableViews;
+    CPArray                 _tableDelegates;
 
-    id              _rootItem;
+    id                      _rootItem;
 
-    BOOL            _delegateSupportsImages;
+    BOOL                    _delegateSupportsImages;
 
-    SEL             _doubleAction @accessors(property=doubleAction);
+    SEL                     _doubleAction @accessors(property=doubleAction);
 
-    BOOL            _allowsMultipleSelection;
-    BOOL            _allowsEmptySelection;
+    BOOL                    _allowsMultipleSelection;
+    BOOL                    _allowsEmptySelection;
 
-    Class           _tableViewClass @accessors(property=tableViewClass);
+    Class                   _tableViewClass @accessors(property=tableViewClass);
 
-    float           _rowHeight;
-    float           _imageWidth;
-    float           _leafWidth;
-    float           _minColumnWidth;
-    float           _defaultColumnWidth @accessors(property=defaultColumnWidth);
+    float                   _rowHeight;
+    float                   _imageWidth;
+    float                   _leafWidth;
+    float                   _minColumnWidth;
+    float                   _defaultColumnWidth @accessors(property=defaultColumnWidth);
 
-    CPArray         _columnWidths;
+    CPArray                 _columnWidths;
 }
 
 + (CPString)defaultThemeClass
@@ -137,10 +184,74 @@
             [CPKeyedArchiver archivedDataWithRootObject:_prototypeView]];
 }
 
-- (void)setDelegate:(id)anObject
+- (void)setDelegate:(id <CPBrowserDelegate>)anObject
 {
+    if (_delegate === anObject)
+        return;
+
     _delegate = anObject;
-    _delegateSupportsImages = [_delegate respondsToSelector:@selector(browser:imageValueForItem:)];
+    _implementedDelegateMethods = 0;
+    _delegateSupportsImages = NO;
+
+    if ([_delegate respondsToSelector:@selector(browser:acceptDrop:atRow:column:dropOperation:)])
+        _implementedDelegateMethods |= CPBrowserDelegate_browser_acceptDrop_atRow_column_dropOperation_;
+
+    if ([_delegate respondsToSelector:@selector(browser:canDragRowsWithIndexes:inColumn:withEvent:)])
+        _implementedDelegateMethods |= CPBrowserDelegate_browser_canDragRowsWithIndexes_inColumn_withEvent_;
+
+    if ([_delegate respondsToSelector:@selector(browser:isLeafItem:)])
+        _implementedDelegateMethods |= CPBrowserDelegate_browser_isLeafItem_;
+
+    if ([_delegate respondsToSelector:@selector(browser:shouldSelectRowIndexes:inColumn:)])
+        _implementedDelegateMethods |= CPBrowserDelegate_browser_shouldSelectRowIndexes_inColumn_;
+
+    if ([_delegate respondsToSelector:@selector(browser:writeRowsWithIndexes:inColumn:toPasteboard:)])
+        _implementedDelegateMethods |= CPBrowserDelegate_browser_writeRowsWithIndexes_inColumn_toPasteboard_;
+
+    if ([_delegate respondsToSelector:@selector(browser:validateDrop:proposedRow:column:dropOperation:)])
+        _implementedDelegateMethods |= CPBrowserDelegate_browser_validateDrop_proposedRow_column_dropOperation_;
+
+    if ([_delegate respondsToSelector:@selector(browser:imageValueForItem:)])
+        _implementedDelegateMethods |= CPBrowserDelegate_browser_imageValueForItem_;
+
+    if ([_delegate respondsToSelector:@selector(browser:draggingImageForRowsWithIndexes:inColumn:withEvent:offset:)])
+        _implementedDelegateMethods |= CPBrowserDelegate_browser_draggingImageForRowsWithIndexes_inColumn_withEvent_offset_;
+
+    if ([_delegate respondsToSelector:@selector(browser:imageValueForItem:)])
+    {
+        _delegateSupportsImages = YES;
+        _implementedDelegateMethods |= CPBrowserDelegate_browser_imageValueForItem_;
+    }
+
+    if ([_delegate respondsToSelector:@selector(browser:selectionIndexesForProposedSelection:inColumn:)])
+        _implementedDelegateMethods |= CPBrowserDelegate_browser_selectionIndexesForProposedSelection_inColumn_;
+
+    if ([_delegate respondsToSelector:@selector(browser:numberOfChildrenOfItem:)])
+        _implementedDelegateMethods |= CPBrowserDelegate_browser_numberOfChildrenOfItem_;
+
+    if ([_delegate respondsToSelector:@selector(browser:draggingViewForRowsWithIndexes:inColumn:withEvent:offset:)])
+        _implementedDelegateMethods |= CPBrowserDelegate_browser_draggingViewForRowsWithIndexes_inColumn_withEvent_offset_;
+
+    if ([_delegate respondsToSelector:@selector(browser:child:ofItem:)])
+        _implementedDelegateMethods |= CPBrowserDelegate_browser_child_ofItem_;
+
+    if ([_delegate respondsToSelector:@selector(browser:objectValueForItem:)])
+        _implementedDelegateMethods |= CPBrowserDelegate_browser_objectValueForItem_;
+
+    if ([_delegate respondsToSelector:@selector(rootItemForBrowser:)])
+        _implementedDelegateMethods |= CPBrowserDelegate_rootItemForBrowser_;
+
+    if ([_delegate respondsToSelector:@selector(browser:didChangeLastColumn:toColumn:)])
+        _implementedDelegateMethods |= CPBrowserDelegate_browser_didChangeLastColumn_toColumn_;
+
+    if ([_delegate respondsToSelector:@selector(browser:didChangeLastColumn:)])
+        _implementedDelegateMethods |= CPBrowserDelegate_browser_didResizeColumn_;
+
+    if ([_delegate respondsToSelector:@selector(browserSelectionIsChanging:)])
+        _implementedDelegateMethods |= CPBrowserDelegate_browserSelectionIsChanging_;
+
+    if ([_delegate respondsToSelector:@selector(browserSelectionDidChange:)])
+        _implementedDelegateMethods |= CPBrowserDelegate_browserSelectionDidChange_;
 
     [self loadColumnZero];
 }
@@ -162,10 +273,7 @@
 
 - (void)loadColumnZero
 {
-    if ([_delegate respondsToSelector:@selector(rootItemForBrowser:)])
-        _rootItem = [_delegate rootItemForBrowser:self];
-    else
-        _rootItem = nil;
+    _rootItem = [self _sendDelegateRootItemForBrowser];
 
     [self setLastColumn:-1];
     [self addColumn];
@@ -190,8 +298,7 @@
     _tableViews = _tableViews.slice(0, indexPlusOne);
     _tableDelegates = _tableDelegates.slice(0, indexPlusOne);
 
-    if ([_delegate respondsToSelector:@selector(browser:didChangeLastColumn:toColumn:)])
-        [_delegate browser:self didChangeLastColumn:oldValue toColumn:columnIndex];
+    [self _sendDelegateBrowserDidChangeLastColumn:oldValue toColumn:columnIndex];
 
     [self tile];
 }
@@ -366,7 +473,7 @@
 
 - (BOOL)isLeafItem:(id)item
 {
-    return [_delegate respondsToSelector:@selector(browser:isLeafItem:)] && [_delegate browser:self isLeafItem:item];
+    return (_implementedDelegateMethods & CPBrowserDelegate_browser_isLeafItem_) && [_delegate browser:self isLeafItem:item];
 }
 
 - (id)parentForItemsInColumn:(CPInteger)column
@@ -493,9 +600,7 @@
 {
     _columnWidths[column] = aWidth;
 
-    if ([_delegate respondsToSelector:@selector(browser:didResizeColumn:)])
-        [_delegate browser:self didResizeColumn:column];
-
+    [self _sendDelegateBrowserDidResizeColumn:column];
     [self tile];
 }
 
@@ -610,15 +715,12 @@
     if (column < 0 || column > [self lastColumn] + 1)
         return;
 
-    if ([_delegate respondsToSelector:@selector(browser:selectionIndexesForProposedSelection:inColumn:)])
-        indexSet = [_delegate browser:self selectionIndexesForProposedSelection:indexSet inColumn:column];
+    indexSet = [self _sendDelegateBrowserSelectionIndexesForProposedSelection:indexSet inColumn:column];
 
-    if ([_delegate respondsToSelector:@selector(browser:shouldSelectRowIndexes:inColumn:)] &&
-       ![_delegate browser:self shouldSelectRowIndexes:indexSet inColumn:column])
+    if (![self _sendDelegateBrowserShouldSelectRowIndexes:indexSet inColumn:column])
         return;
 
-    if ([_delegate respondsToSelector:@selector(browserSelectionIsChanging:)])
-        [_delegate browserSelectionIsChanging:self];
+    [self _sendDelegateBrowserSelectionIsChanging];
 
     if (column > [self lastColumn])
         [self addColumn];
@@ -629,8 +731,7 @@
 
     [self scrollColumnToVisible:column];
 
-    if ([_delegate respondsToSelector:@selector(browserSelectionDidChange:)])
-        [_delegate browserSelectionDidChange:self];
+    [self _sendDelegateBrowserSelectionDidChange];
 }
 
 - (void)setBackgroundColor:(CPColor)aColor
@@ -652,30 +753,6 @@
     [_tableViews makeObjectsPerformSelector:@selector(registerForDraggedTypes:) withObject:types];
 }
 
-- (BOOL)canDragRowsWithIndexes:(CPIndexSet)rowIndexes inColumn:(CPInteger)columnIndex withEvent:(CPEvent)dragEvent
-{
-    if ([_delegate respondsToSelector:@selector(browser:canDragRowsWithIndexes:inColumn:withEvent:)])
-        return [_delegate browser:self canDragRowsWithIndexes:rowIndexes inColumn:columnIndex withEvent:dragEvent];
-
-    return YES;
-}
-
-- (CPImage)draggingImageForRowsWithIndexes:(CPIndexSet)rowIndexes inColumn:(CPInteger)columnIndex withEvent:(CPEvent)dragEvent offset:(CGPoint)dragImageOffset
-{
-    if ([_delegate respondsToSelector:@selector(browser:draggingImageForRowsWithIndexes:inColumn:withEvent:offset:)])
-        return [_delegate browser:self draggingImageForRowsWithIndexes:rowIndexes inColumn:columnIndex withEvent:dragEvent offset:dragImageOffset];
-
-    return nil;
-}
-
-- (CPView)draggingViewForRowsWithIndexes:(CPIndexSet)rowIndexes inColumn:(CPInteger)columnIndex withEvent:(CPEvent)dragEvent offset:(CGPoint)dragImageOffset
-{
-    if ([_delegate respondsToSelector:@selector(browser:draggingViewForRowsWithIndexes:inColumn:withEvent:offset:)])
-        return [_delegate browser:self draggingViewForRowsWithIndexes:rowIndexes inColumn:columnIndex withEvent:dragEvent offset:dragImageOffset];
-
-    return nil;
-}
-
 @end
 
 @implementation CPBrowser (CPCoding)
@@ -860,8 +937,6 @@
 
 @end
 
-@import <Foundation/CPObject.j>
-
 @implementation _CPBrowserTableDelegate : CPObject
 {
     CPBrowser   _browser @accessors;
@@ -909,7 +984,7 @@
 
 - (BOOL)tableView:(CPTableView)aTableView acceptDrop:(id)info row:(CPInteger)row dropOperation:(CPTableViewDropOperation)operation
 {
-    if ([_delegate respondsToSelector:@selector(browser:acceptDrop:atRow:column:dropOperation:)])
+    if (_browser._implementedDelegateMethods & CPBrowserDelegate_browser_acceptDrop_atRow_column_dropOperation_)
         return [_delegate browser:_browser acceptDrop:info atRow:row column:_index dropOperation:operation];
     else
         return NO;
@@ -917,7 +992,7 @@
 
 - (CPDragOperation)tableView:(CPTableView)aTableView validateDrop:(id)info proposedRow:(CPInteger)row proposedDropOperation:(CPTableViewDropOperation)operation
 {
-    if ([_delegate respondsToSelector:@selector(browser:validateDrop:proposedRow:column:dropOperation:)])
+    if (_browser._implementedDelegateMethods & CPBrowserDelegate_browser_validateDrop_proposedRow_column_dropOperation_)
         return [_delegate browser:_browser validateDrop:info proposedRow:row column:_index dropOperation:operation];
     else
         return CPDragOperationNone;
@@ -925,7 +1000,7 @@
 
 - (BOOL)tableView:(CPTableView)aTableView writeRowsWithIndexes:(CPIndexSet)rowIndexes toPasteboard:(CPPasteboard)pboard
 {
-    if ([_delegate respondsToSelector:@selector(browser:writeRowsWithIndexes:inColumn:toPasteboard:)])
+    if (_browser._implementedDelegateMethods & CPBrowserDelegate_browser_writeRowsWithIndexes_inColumn_toPasteboard_)
         return [_delegate browser:_browser writeRowsWithIndexes:rowIndexes inColumn:_index toPasteboard:pboard];
     else
         return NO;
@@ -980,7 +1055,7 @@
     var imageView = [self layoutEphemeralSubviewNamed:@"image-view"
                                            positioned:CPWindowAbove
                       relativeToEphemeralSubviewNamed:nil],
-        isHighlighted = [self themeState] & CPThemeStateSelectedDataView;
+        isHighlighted = [self hasThemeState:CPThemeStateSelectedDataView];
 
     [imageView setImage: _isLeaf ? (isHighlighted ? _highlightedBranchImage : _branchImage) : nil];
     [imageView setImageScaling:CPImageScaleNone];
@@ -1008,3 +1083,115 @@
 }
 
 @end
+
+@implementation CPBrowser (CPBrowserDelegate)
+
+/*!
+    @ignore
+    Call delegate rootItemForBrowser:
+*/
+- (id)_sendDelegateRootItemForBrowser
+{
+    if (!(_implementedDelegateMethods & CPBrowserDelegate_rootItemForBrowser_))
+        return nil;
+
+    return [_delegate rootItemForBrowser:self];
+}
+
+/*!
+    @ignore
+    Call delegate browser:didChangeLastColumn:toColumn:
+*/
+- (void)_sendDelegateBrowserDidChangeLastColumn:(CPInteger)lastColumn toColumn:(CPInteger)newColumn
+{
+    if (!(_implementedDelegateMethods & CPBrowserDelegate_browser_didChangeLastColumn_toColumn_))
+        return;
+
+    [_delegate browser:self didChangeLastColumn:lastColumn toColumn:newColumn];
+}
+
+/*!
+    @ignore
+    Call delegate browser:didResizeColumn:
+*/
+- (void)_sendDelegateBrowserDidResizeColumn:(CPInteger)column
+{
+    if (!(_implementedDelegateMethods & CPBrowserDelegate_browser_didResizeColumn_))
+        return;
+
+    [_delegate browser:self didResizeColumn:column];
+}
+
+/*!
+    @ignore
+    Call delegate browserSelectionIsChanging:
+*/
+- (void)_sendDelegateBrowserSelectionIsChanging
+{
+    if (!(_implementedDelegateMethods & CPBrowserDelegate_browserSelectionIsChanging_))
+        return;
+
+    [_delegate browserSelectionIsChanging:self];
+}
+
+/*!
+    @ignore
+    Call delegate browser:shouldSelectRowIndexes:inColumn:
+*/
+- (BOOL)_sendDelegateBrowserShouldSelectRowIndexes:(CPIndexSet)anIndexSet inColumn:(CPInteger)aColumn
+{
+    if (!(_implementedDelegateMethods & CPBrowserDelegate_browser_shouldSelectRowIndexes_inColumn_))
+        return YES;
+
+    return [_delegate browser:self shouldSelectRowIndexes:anIndexSet inColumn:aColumn];
+}
+
+/*!
+    @ignore
+    Call delegate browser:selectionIndexesForProposedSelection:inColumn:
+*/
+- (CPIndexSet)_sendDelegateBrowserSelectionIndexesForProposedSelection:(CPIndexSet)anIndexSet inColumn:(CPInteger)aColumn
+{
+    if (!(_implementedDelegateMethods & CPBrowserDelegate_browser_selectionIndexesForProposedSelection_inColumn_))
+        return anIndexSet;
+
+    return [_delegate browser:self selectionIndexesForProposedSelection:anIndexSet inColumn:aColumn];
+}
+
+/*!
+    @ignore
+    Call delegate browserSelectionDidChange
+*/
+- (void)_sendDelegateBrowserSelectionDidChange
+{
+    if (!(_implementedDelegateMethods & CPBrowserDelegate_browserSelectionDidChange_))
+        return;
+
+    [_delegate browserSelectionDidChange:self];
+}
+
+- (BOOL)canDragRowsWithIndexes:(CPIndexSet)rowIndexes inColumn:(CPInteger)columnIndex withEvent:(CPEvent)dragEvent
+{
+    if (_implementedDelegateMethods & CPBrowserDelegate_browser_canDragRowsWithIndexes_inColumn_withEvent_)
+        return [_delegate browser:self canDragRowsWithIndexes:rowIndexes inColumn:columnIndex withEvent:dragEvent];
+
+    return YES;
+}
+
+- (CPImage)draggingImageForRowsWithIndexes:(CPIndexSet)rowIndexes inColumn:(CPInteger)columnIndex withEvent:(CPEvent)dragEvent offset:(CGPoint)dragImageOffset
+{
+    if (_implementedDelegateMethods & CPBrowserDelegate_browser_draggingImageForRowsWithIndexes_inColumn_withEvent_offset_)
+        return [_delegate browser:self draggingImageForRowsWithIndexes:rowIndexes inColumn:columnIndex withEvent:dragEvent offset:dragImageOffset];
+
+    return nil;
+}
+
+- (CPView)draggingViewForRowsWithIndexes:(CPIndexSet)rowIndexes inColumn:(CPInteger)columnIndex withEvent:(CPEvent)dragEvent offset:(CGPoint)dragImageOffset
+{
+    if (_implementedDelegateMethods & CPBrowserDelegate_browser_draggingViewForRowsWithIndexes_inColumn_withEvent_offset_)
+        return [_delegate browser:self draggingViewForRowsWithIndexes:rowIndexes inColumn:columnIndex withEvent:dragEvent offset:dragImageOffset];
+
+    return nil;
+}
+
+@end

AppKit/CPButton.j

@@ -29,8 +29,7 @@
 @import "CPWindow_Constants.j"
 
 /* @group CPBezelStyle */
-
-                                       // IB style
+@typedef CPBezelStyle
 CPRoundedBezelStyle             = 1;   // Push
 CPRegularSquareBezelStyle       = 2;   // Bevel
 CPThickSquareBezelStyle         = 3;
@@ -49,6 +48,7 @@ CPHUDBezelStyle                 = -1;
 
 
 /* @group CPButtonType */
+@typedef CPButtonType
 CPMomentaryLightButton  = 0;
 CPPushOnPushOffButton   = 1;
 CPToggleButton          = 2;
@@ -72,13 +72,14 @@ CPPushInCellMask            = CPPushInButtonMask;
 CPChangeGrayCellMask        = CPGrayButtonMask;
 CPChangeBackgroundCellMask  = CPBackgroundButtonMask;
 
-CPButtonStateMixed             = CPThemeState("mixed");
-CPButtonStateBezelStyleRounded = CPThemeState("rounded");
+CPButtonStateMixed                  = CPThemeState("mixed");
+CPButtonStateBezelStyleRounded      = CPThemeState("rounded");
+CPButtonStateBezelStyleRoundRect    = CPThemeState("roundRect");
 
 // add all future correspondance between bezel styles and theme state here.
 var CPButtonBezelStyleStateMap = @{
         CPRoundedBezelStyle: CPButtonStateBezelStyleRounded,
-        CPRoundRectBezelStyle: [CPNull null],
+        CPRoundRectBezelStyle: CPButtonStateBezelStyleRoundRect,
     };
 
 /// @cond IGNORE
@@ -107,7 +108,6 @@ CPButtonImageOffset   = 3.0;
 
     // NS-style Display Properties
     CPBezelStyle        _bezelStyle;
-    CPControlSize       _controlSize;
 
     CPString            _keyEquivalent;
     unsigned            _keyEquivalentModifierMask;
@@ -188,8 +188,6 @@ CPButtonImageOffset   = 3.0;
 
 - (void)_init
 {
-    _controlSize = CPRegularControlSize;
-
     _keyEquivalent = @"";
     _keyEquivalentModifierMask = 0;
 
@@ -200,6 +198,20 @@ CPButtonImageOffset   = 3.0;
     [self setButtonType:CPMomentaryPushInButton];
 }
 
+#pragma mark -
+#pragma mark Control Size
+
+- (void)setControlSize:(CPControlSize)aControlSize
+{
+    [super setControlSize:aControlSize];
+
+    if ([self isBordered])
+        [self _sizeToControlSize];
+}
+
+
+#pragma mark -
+
 // Setting the state
 /*!
     Returns a Boolean value indicating whether the button allows a mixed state.
@@ -268,7 +280,7 @@ CPButtonImageOffset   = 3.0;
             break;
 
         case CPOffState:
-            [self unsetThemeState:CPThemeStateSelected | CPButtonStateMixed | CPThemeStateHighlighted];
+            [self unsetThemeStates:[CPThemeStateSelected, CPButtonStateMixed, CPThemeStateHighlighted]];
     }
 }
 

AppKit/CPButtonBar.j

@@ -26,7 +26,10 @@
 @class CPSplitView
 
 @global CPPopUpButtonStatePullsDown
-
+@global CPKeyValueChangeOldKey
+@global CPKeyValueChangeNewKey
+@global CPKeyValueObservingOptionNew
+@global CPKeyValueObservingOptionOld
 
 @implementation CPButtonBar : CPView
 {
@@ -109,6 +112,8 @@
 
 - (void)awakeFromCib
 {
+    [super awakeFromCib];
+
     var view = [self superview],
         subview = self;
 
@@ -129,10 +134,20 @@
 
 - (void)setButtons:(CPArray)buttons
 {
+    for (var i = [_buttons count] - 1; i >= 0; i--)
+    {
+        [_buttons[i] removeFromSuperview];
+        [_buttons[i] removeObserver:self forKeyPath:@"hidden"];
+    }
+
+
     _buttons = [CPArray arrayWithArray:buttons];
 
-    for (var i = 0, count = [_buttons count]; i < count; i++)
+    for (var i = [_buttons count] - 1; i >= 0; i--)
+    {
+        [_buttons[i] addObserver:self forKeyPath:@"hidden" options:CPKeyValueObservingOptionNew | CPKeyValueObservingOptionOld context:nil];
         [_buttons[i] setBordered:YES];
+    }
 
     [self setNeedsLayout];
 }
@@ -218,8 +233,15 @@
         count = [buttonsNotHidden count];
 
     while (count--)
-        if ([buttonsNotHidden[count] isHidden])
-            [buttonsNotHidden removeObject:buttonsNotHidden[count]];
+    {
+        var button = buttonsNotHidden[count];
+
+        if ([button isHidden])
+        {
+            [button removeFromSuperview];
+            [buttonsNotHidden removeObject:button];
+        }
+    }
 
     var currentButtonOffset = _resizeControlIsLeftAligned ? CGRectGetMaxX([self bounds]) + 1 : -1,
         bounds = [self bounds],
@@ -250,15 +272,15 @@
             currentButtonOffset += width - 1;
         }
 
-        [button setValue:normalColor forThemeAttribute:@"bezel-color" inState:CPThemeStateNormal | CPThemeStateBordered];
-        [button setValue:highlightedColor forThemeAttribute:@"bezel-color" inState:CPThemeStateHighlighted | CPThemeStateBordered];
-        [button setValue:disabledColor forThemeAttribute:@"bezel-color" inState:CPThemeStateDisabled | CPThemeStateBordered];
+        [button setValue:normalColor forThemeAttribute:@"bezel-color" inStates:[CPThemeStateNormal, CPThemeStateBordered]];
+        [button setValue:highlightedColor forThemeAttribute:@"bezel-color" inStates:[CPThemeStateHighlighted,  CPThemeStateBordered, ]];
+        [button setValue:disabledColor forThemeAttribute:@"bezel-color" inStates:[CPThemeStateDisabled, CPThemeStateBordered]];
         [button setValue:textColor forThemeAttribute:@"text-color" inState:CPThemeStateBordered];
 
         // FIXME shouldn't need this
-        [button setValue:normalColor forThemeAttribute:@"bezel-color" inState:CPThemeStateNormal | CPThemeStateBordered | CPPopUpButtonStatePullsDown];
-        [button setValue:highlightedColor forThemeAttribute:@"bezel-color" inState:CPThemeStateHighlighted | CPThemeStateBordered | CPPopUpButtonStatePullsDown];
-        [button setValue:disabledColor forThemeAttribute:@"bezel-color" inState:CPThemeStateDisabled | CPThemeStateBordered | CPPopUpButtonStatePullsDown];
+        [button setValue:normalColor forThemeAttribute:@"bezel-color" inStates:[CPThemeStateNormal, CPThemeStateBordered, CPPopUpButtonStatePullsDown]];
+        [button setValue:highlightedColor forThemeAttribute:@"bezel-color" inStates:[CPThemeStateHighlighted, CPThemeStateBordered, CPPopUpButtonStatePullsDown]];
+        [button setValue:disabledColor forThemeAttribute:@"bezel-color" inStates:[CPThemeStateDisabled, CPThemeStateBordered, CPPopUpButtonStatePullsDown]];
 
         [self addSubview:button];
     }
@@ -274,6 +296,14 @@
     }
 }
 
+- (void)observeValueForKeyPath:(CPString)keyPath ofObject:(id)object change:(CPDictionary)change context:(id)context
+{
+    if ([change objectForKey:CPKeyValueChangeOldKey] == [change objectForKey:CPKeyValueChangeNewKey])
+        return;
+
+    [self setNeedsLayout];
+}
+
 - (void)setFrameSize:(CGSize)aSize
 {
     [super setFrameSize:aSize];

AppKit/CPCheckBox.j

@@ -111,6 +111,30 @@ CPCheckBoxImageOffset = 4.0;
     return startedTracking;
 }
 
+
+#pragma mark -
+#pragma mark Override methods from CPButton
+
+- (CGSize)_minimumFrameSize
+{
+    var size = [super _minimumFrameSize],
+        contentView = [self ephemeralSubviewNamed:@"content-view"];
+
+    if (!contentView && [[self title] length])
+    {
+        var minSize = [self currentValueForThemeAttribute:@"min-size"],
+            maxSize = [self currentValueForThemeAttribute:@"max-size"];
+
+        // Here we always add the min size to the control which is the size of the view of the checkBox
+        size.width += minSize.width + CPCheckBoxImageOffset;
+
+        if (maxSize.width >= 0.0)
+            size.width = MIN(size.width, maxSize.width);
+    }
+
+    return size;
+}
+
 @end
 
 @implementation _CPCheckBoxValueBinder : CPBinder

AppKit/CPClipView.j

@@ -46,49 +46,12 @@
         return;
 
     if (_documentView)
-    {
-        var defaultCenter = [CPNotificationCenter defaultCenter];
-
-        [defaultCenter
-            removeObserver:self
-                      name:CPViewFrameDidChangeNotification
-                    object:_documentView];
-
-        [defaultCenter
-            removeObserver:self
-                      name:CPViewBoundsDidChangeNotification
-                    object:_documentView];
-
         [_documentView removeFromSuperview];
-    }
 
     _documentView = aView;
 
     if (_documentView)
-    {
         [self addSubview:_documentView];
-        [self _observeDocumentView];
-    }
-}
-
-- (void)_observeDocumentView
-{
-    var defaultCenter = [CPNotificationCenter defaultCenter];
-
-    [_documentView setPostsFrameChangedNotifications:YES];
-    [_documentView setPostsBoundsChangedNotifications:YES];
-
-    [defaultCenter
-        addObserver:self
-           selector:@selector(viewFrameChanged:)
-               name:CPViewFrameDidChangeNotification
-             object:_documentView];
-
-    [defaultCenter
-        addObserver:self
-           selector:@selector(viewBoundsChanged:)
-               name:CPViewBoundsDidChangeNotification
-             object:_documentView];
 }
 
 /*!
@@ -230,6 +193,11 @@
     return [self scrollToPoint:CGPointMake(bounds.origin.x - deltaX, bounds.origin.y - deltaY)];
 }
 
+- (CGRect)documentVisibleRect
+{
+    return [_documentView visibleRect];
+}
+
 @end
 
 
@@ -244,7 +212,6 @@ var CPClipViewDocumentViewKey = @"CPScrollViewDocumentView";
         // Don't call setDocumentView: here. It calls addSubview:, but it's A) not necessary since the
         // view hierarchy is fully encoded and B) dangerous if the subview is not fully decoded.
         _documentView = [aCoder decodeObjectForKey:CPClipViewDocumentViewKey];
-        [self _observeDocumentView];
     }
 
     return self;

AppKit/CPCollectionView.j

@@ -32,6 +32,36 @@
 @import "CPPasteboard.j"
 @import "CPView.j"
 
+@class _CPCollectionViewDropIndicator
+
+var CPCollectionViewDelegate_collectionView_acceptDrop_index_dropOperation_                 = 1 << 0,
+    CPCollectionViewDelegate_collectionView_canDragItemsAtIndexes_withEvent_                = 1 << 1,
+    CPCollectionViewDelegate_collectionView_writeItemsAtIndexes_toPasteboard_               = 1 << 2,
+    CPCollectionViewDelegate_collectionView_dragTypesForItemsAtIndexes_                     = 1 << 3,
+    CPCollectionViewDelegate_collectionView_dataForItemsAtIndexes_forType_                  = 1 << 4,
+    CPCollectionViewDelegate_collectionView_validateDrop_proposedIndex_dropOperation_       = 1 << 5,
+    CPCollectionViewDelegate_collectionView_didDoubleClickOnItemAtIndex_                    = 1 << 6,
+    CPCollectionViewDelegate_collectionView_menuForItemAtIndex_                             = 1 << 7,
+    CPCollectionViewDelegate_collectionView_draggingViewForItemsAtIndexes_withEvent_offset  = 1 << 8;
+
+
+@protocol CPCollectionViewDelegate <CPObject>
+
+@optional
+- (BOOL)collectionView:(CPCollectionView)collectionView acceptDrop:(id)draggingInfo index:(CPInteger)index dropOperation:(CPCollectionViewDropOperation)dropOperation;
+- (BOOL)collectionView:(CPCollectionView)collectionView canDragItemsAtIndexes:(CPIndexSet)indexes withEvent:(CPEvent)event;
+- (BOOL)collectionView:(CPCollectionView)collectionView writeItemsAtIndexes:(CPIndexSet)indexes toPasteboard:(CPPasteboard)pasteboard;
+- (CPArray)collectionView:(CPCollectionView)collectionView dragTypesForItemsAtIndexes:(CPIndexSet)indexes;
+- (CPData)collectionView:(CPCollectionView)collectionView dataForItemsAtIndexes:(CPIndexSet)indices forType:(CPString)aType;
+- (CPDragOperation)collectionView:(CPCollectionView)collectionView validateDrop:(id)draggingInfo proposedIndex:(CPInteger)proposedDropIndex dropOperation:(CPCollectionViewDropOperation)proposedDropOperation;
+- (CPMenu)collectionView:(CPCollectionView)collectionView menuForItemAtIndex:(CPInteger)anIndex;
+- (CPView)collectionView:(CPCollectionView)collectionView dragginViewForItemsAtIndexes:(CPIndexSet)indexes withEvent:(CPEvent)event offset:(CGPoint)dragImageOffset;
+- (void)collectionView:(CPCollectionView)collectionView didDoubleClickOnItemAtIndex:(int)index;
+
+@end
+
+var HORIZONTAL_MARGIN = 2;
+
 /*!
     @ingroup appkit
     @class CPCollectionView
@@ -42,10 +72,6 @@
 
     @par Delegate Methods
 
-    @delegate - (void)collectionViewDidChangeSelection:(CPCollectionView)collectionView;
-    DEPRECATED: Please do not use.
-    @param collectionView the collection view who's selection changed
-
     @delegate - (void)collectionView:(CPCollectionView)collectionView didDoubleClickOnItemAtIndex:(int)index;
     Called when the user double-clicks on an item in the collection view.
     @param collectionView the collection view that received the double-click
@@ -64,56 +90,54 @@
     @param indices the indices to obtain drag types
     @return an array of drag types (CPString)
 */
-
-var HORIZONTAL_MARGIN = 2;
-
 @implementation CPCollectionView : CPView
 {
-    CPArray                 _content;
-    CPArray                 _items;
+    CPArray                         _content;
+    CPArray                         _items;
 
-    CPData                  _itemData;
-    CPCollectionViewItem    _itemPrototype;
-    CPCollectionViewItem    _itemForDragging;
-    CPMutableArray          _cachedItems;
+    CPData                          _itemData;
+    CPCollectionViewItem            _itemPrototype;
+    CPCollectionViewItem            _itemForDragging;
+    CPMutableArray                  _cachedItems;
 
-    unsigned                _maxNumberOfRows;
-    unsigned                _maxNumberOfColumns;
+    unsigned                        _maxNumberOfRows;
+    unsigned                        _maxNumberOfColumns;
 
-    CGSize                  _minItemSize;
-    CGSize                  _maxItemSize;
+    CGSize                          _minItemSize;
+    CGSize                          _maxItemSize;
 
-    CPArray                 _backgroundColors;
+    CPArray                         _backgroundColors;
 
-    float                   _tileWidth;
+    float                           _tileWidth;
 
-    BOOL                    _isSelectable;
-    BOOL                    _allowsMultipleSelection;
-    BOOL                    _allowsEmptySelection;
-    CPIndexSet              _selectionIndexes;
+    BOOL                            _isSelectable;
+    BOOL                            _allowsMultipleSelection;
+    BOOL                            _allowsEmptySelection;
+    CPIndexSet                      _selectionIndexes;
 
-    CGSize                  _itemSize;
+    CGSize                          _itemSize;
 
-    float                   _horizontalMargin;
-    float                   _verticalMargin;
+    float                           _horizontalMargin;
+    float                           _verticalMargin;
 
-    unsigned                _numberOfRows;
-    unsigned                _numberOfColumns;
+    unsigned                        _numberOfRows;
+    unsigned                        _numberOfColumns;
 
-    id                      _delegate;
+    id <CPCollectionViewDelegate>   _delegate;
+    unsigned                        _implementedDelegateMethods;
 
-    CPEvent                 _mouseDownEvent;
+    CPEvent                         _mouseDownEvent;
 
-    BOOL                    _needsMinMaxItemSizeUpdate;
-    CGSize                  _storedFrameSize;
+    BOOL                            _needsMinMaxItemSizeUpdate;
+    CGSize                          _storedFrameSize;
 
-    BOOL                    _uniformSubviewsResizing @accessors(property=uniformSubviewsResizing);
-    BOOL                    _lockResizing;
+    BOOL                            _uniformSubviewsResizing @accessors(property=uniformSubviewsResizing);
+    BOOL                            _lockResizing;
 
-    CPInteger               _currentDropIndex;
-    CPDragOperation         _currentDragOperation;
+    CPInteger                       _currentDropIndex;
+    CPDragOperation                 _currentDragOperation;
 
-    _CPCollectionViewDropIndicator _dropView;
+    _CPCollectionViewDropIndicator  _dropView;
 }
 
 - (id)initWithFrame:(CGRect)aFrame
@@ -168,6 +192,51 @@ var HORIZONTAL_MARGIN = 2;
     [self setAutoresizingMask:0];
 }
 
+
+
+#pragma mark -
+#pragma mark Delegate
+
+/*!
+    Set the delegate of the receiver
+    @param aDelegate the delegate object for the collectionView.
+*/
+- (void)setDelegate:(id <CPCollectionViewDelegate>)aDelegate
+{
+    if (_delegate === aDelegate)
+        return;
+
+    _delegate = aDelegate;
+    _implementedDelegateMethods = 0;
+
+    if ([_delegate respondsToSelector:@selector(collectionView:acceptDrop:index:dropOperation:)])
+        _implementedDelegateMethods |= CPCollectionViewDelegate_collectionView_acceptDrop_index_dropOperation_;
+
+    if ([_delegate respondsToSelector:@selector(collectionView:canDragItemsAtIndexes:withEvent:)])
+        _implementedDelegateMethods |= CPCollectionViewDelegate_collectionView_canDragItemsAtIndexes_withEvent_;
+
+    if ([_delegate respondsToSelector:@selector(collectionView:writeItemsAtIndexes:toPasteboard:)])
+        _implementedDelegateMethods |= CPCollectionViewDelegate_collectionView_writeItemsAtIndexes_toPasteboard_;
+
+    if ([_delegate respondsToSelector:@selector(collectionView:dragTypesForItemsAtIndexes:)])
+        _implementedDelegateMethods |= CPCollectionViewDelegate_collectionView_dragTypesForItemsAtIndexes_;
+
+    if ([_delegate respondsToSelector:@selector(collectionView:dataForItemsAtIndexes:forType:)])
+        _implementedDelegateMethods |= CPCollectionViewDelegate_collectionView_dataForItemsAtIndexes_forType_;
+
+    if ([_delegate respondsToSelector:@selector(collectionView:validateDrop:proposedIndex:dropOperation:)])
+        _implementedDelegateMethods |= CPCollectionViewDelegate_collectionView_validateDrop_proposedIndex_dropOperation_;
+
+    if ([_delegate respondsToSelector:@selector(collectionView:didDoubleClickOnItemAtIndex:)])
+        _implementedDelegateMethods |= CPCollectionViewDelegate_collectionView_didDoubleClickOnItemAtIndex_;
+
+    if ([_delegate respondsToSelector:@selector(collectionView:menuForItemAtIndex:)])
+        _implementedDelegateMethods |= CPCollectionViewDelegate_collectionView_menuForItemAtIndex_;
+
+    if ([_delegate respondsToSelector:@selector(collectionView:draggingViewForItemsAtIndexes:withEvent:offset:)])
+        _implementedDelegateMethods |= CPCollectionViewDelegate_collectionView_draggingViewForItemsAtIndexes_withEvent_offset;
+}
+
 /*!
     Sets the item prototype to \c anItem
     @param anItem the new item prototype.
@@ -395,12 +464,6 @@ var HORIZONTAL_MARGIN = 2;
 
     var binderClass = [[self class] _binderClassForBinding:@"selectionIndexes"];
     [[binderClass getBinding:@"selectionIndexes" forObject:self] reverseSetValueFor:@"selectionIndexes"];
-
-    if ([_delegate respondsToSelector:@selector(collectionViewDidChangeSelection:)])
-    {
-        CPLog.warn("The delegate method collectionViewDidChangeSelection: is deprecated and will be removed in a future version, please bind to selectionIndexes instead.");
-        [_delegate collectionViewDidChangeSelection:self];
-    }
 }
 
 /*!
@@ -545,7 +608,7 @@ var HORIZONTAL_MARGIN = 2;
 
     height = MAX(height, numberOfRows * (_minItemSize.height + _verticalMargin));
 
-    var itemSizeHeight = FLOOR(height / numberOfRows);
+    var itemSizeHeight = FLOOR(height / numberOfRows) - _verticalMargin;
 
     if (maxItemSizeHeight > 0)
         itemSizeHeight = MIN(itemSizeHeight, maxItemSizeHeight);
@@ -755,8 +818,8 @@ var HORIZONTAL_MARGIN = 2;
 
 - (void)mouseUp:(CPEvent)anEvent
 {
-    if ([_selectionIndexes count] && [anEvent clickCount] == 2 && [_delegate respondsToSelector:@selector(collectionView:didDoubleClickOnItemAtIndex:)])
-        [_delegate collectionView:self didDoubleClickOnItemAtIndex:[_selectionIndexes firstIndex]];
+    if ([_selectionIndexes count] && [anEvent clickCount] == 2)
+        [self _sendDelegateDidDoubleClickOnItemAtIndex:[_selectionIndexes firstIndex]];
 }
 
 - (void)mouseDown:(CPEvent)anEvent
@@ -846,15 +909,6 @@ var HORIZONTAL_MARGIN = 2;
     return _verticalMargin;
 }
 
-/*!
-    Sets the collection view's delegate
-    @param aDelegate the new delegate
-*/
-- (void)setDelegate:(id)aDelegate
-{
-    _delegate = aDelegate;
-}
-
 /*!
     Returns the collection view's delegate
 */
@@ -868,13 +922,13 @@ var HORIZONTAL_MARGIN = 2;
 */
 - (CPMenu)menuForEvent:(CPEvent)theEvent
 {
-    if (![[self delegate] respondsToSelector:@selector(collectionView:menuForItemAtIndex:)])
+    if (![self _delegateRespondsToCollectionViewMenuForItemAtIndex])
         return [super menuForEvent:theEvent];
 
     var location = [self convertPoint:[theEvent locationInWindow] fromView:nil],
         index = [self _indexAtPoint:location];
 
-    return [_delegate collectionView:self menuForItemAtIndex:index];
+    return [self _sendDelegateMenuForItemAtIndex:index];
 }
 
 - (int)_indexAtPoint:(CGPoint)thePoint
@@ -932,7 +986,7 @@ var HORIZONTAL_MARGIN = 2;
 */
 - (void)pasteboard:(CPPasteboard)aPasteboard provideDataForType:(CPString)aType
 {
-    [aPasteboard setData:[_delegate collectionView:self dataForItemsAtIndexes:_selectionIndexes forType:aType] forType:aType];
+    [aPasteboard setData:[self _sendDelegateDataForItemsAtIndexes:_selectionIndexes forType:aType] forType:aType];
 }
 
 - (void)_createDropIndicatorIfNeeded
@@ -962,24 +1016,23 @@ var HORIZONTAL_MARGIN = 2;
         (ABS(locationInWindow.y - mouseDownLocationInWindow.y) < 3))
         return;
 
-    if (![_delegate respondsToSelector:@selector(collectionView:dragTypesForItemsAtIndexes:)])
+    if (![self _delegateRespondsToCollectionViewDragTypesForItemsAtIndexes])
         return;
 
     // If we don't have any selected items, we've clicked away, and thus the drag is meaningless.
     if (![_selectionIndexes count])
         return;
 
-    if ([_delegate respondsToSelector:@selector(collectionView:canDragItemsAtIndexes:withEvent:)] &&
-        ![_delegate collectionView:self canDragItemsAtIndexes:_selectionIndexes withEvent:_mouseDownEvent])
+    if (![self _sendDelegateCanDragItemsAtIndexes:_selectionIndexes withEvent:_mouseDownEvent])
         return;
 
     // Set up the pasteboard
-    var dragTypes = [_delegate collectionView:self dragTypesForItemsAtIndexes:_selectionIndexes];
+    var dragTypes = [self _sendDelegateDragTypesForItemsAtIndexes:_selectionIndexes];
 
     [[CPPasteboard pasteboardWithName:CPDragPboard] declareTypes:dragTypes owner:self];
 
     var dragImageOffset = CGSizeMakeZero(),
-        view = [self _draggingViewForItemsAtIndexes:_selectionIndexes withEvent:_mouseDownEvent offset:dragImageOffset];
+        view = [self _sendDelegateDraggingViewForItemsAtIndexes:_selectionIndexes withEvent:_mouseDownEvent offset:dragImageOffset];
 
     [view setFrameSize:_itemSize];
     [view setAlphaValue:0.7];
@@ -996,14 +1049,6 @@ var HORIZONTAL_MARGIN = 2;
         slideBack:YES];
 }
 
-- (CPView)_draggingViewForItemsAtIndexes:(CPIndexSet)indexes withEvent:(CPEvent)anEvent offset:(CGPoint)offset
-{
-    if ([_delegate respondsToSelector:@selector(collectionView:draggingViewForItemsAtIndexes:withEvent:offset:)])
-        return [_delegate collectionView:self draggingViewForItemsAtIndexes:indexes withEvent:anEvent offset:offset];
-
-    return [self draggingViewForItemsAtIndexes:indexes withEvent:anEvent offset:offset];
-}
-
 - (CPView)draggingViewForItemsAtIndexes:(CPIndexSet)indexes withEvent:(CPEvent)event offset:(CGPoint)dragImageOffset
 {
     var idx = _content[[indexes firstIndex]];
@@ -1016,14 +1061,6 @@ var HORIZONTAL_MARGIN = 2;
     return [_itemForDragging view];
 }
 
-- (BOOL)_canDragItemsAtIndexes:(CPIndexSet)indexes withEvent:(CPEvent)anEvent
-{
-    if ([self respondsToSelector:@selector(collectionView:canDragItemsAtIndexes:withEvent:)])
-        return [_delegate collectionView:self canDragItemsAtIndexes:indexes withEvent:anEvent];
-
-  return YES;
-}
-
 - (CPDragOperation)draggingEntered:(id)draggingInfo
 {
     var dropIndex = -1,
@@ -1061,16 +1098,14 @@ var HORIZONTAL_MARGIN = 2;
     var result = CPDragOperationMove,
         dropIndex = [self _dropIndexForDraggingInfo:draggingInfo proposedDropOperation:dropOperation];
 
-    if ([_delegate respondsToSelector:@selector(collectionView:validateDrop:proposedIndex:dropOperation:)])
+    if ([self _delegateRespondsToCollectionViewValidateDropProposedIndexDropOperation])
     {
         var dropIndexRef2 = @ref(dropIndex);
 
-        result = [_delegate collectionView:self validateDrop:draggingInfo proposedIndex:dropIndexRef2  dropOperation:dropOperation];
+        result = [self _sendDelegateValidateDrop:draggingInfo proposedIndex:dropIndexRef2  dropOperation:dropOperation];
 
         if (result !== CPDragOperationNone)
-        {
             dropIndex = dropIndexRef2();
-        }
     }
 
     dropIndexRef(dropIndex);
@@ -1104,7 +1139,7 @@ Not supported. Use -collectionView:dataForItemsAtIndexes:fortype:
     var result = NO;
 
     if (_currentDragOperation && _currentDropIndex !== -1)
-        result = [_delegate collectionView:self acceptDrop:draggingInfo index:_currentDropIndex dropOperation:1];
+        result = [self _sendDelegateAcceptDrop:draggingInfo index:_currentDropIndex dropOperation:1];
 
     [self draggingEnded:draggingInfo]; // Is this correct ?
 
@@ -1329,6 +1364,7 @@ Not supported. Use -collectionView:dataForItemsAtIndexes:fortype:
 
 @end
 
+
 @implementation CPCollectionView (Deprecated)
 
 - (CGRect)rectForItemAtIndex:(int)anIndex
@@ -1349,6 +1385,148 @@ Not supported. Use -collectionView:dataForItemsAtIndexes:fortype:
 
 @end
 
+
+@implementation CPCollectionView (CPCollectionViewDelegate)
+
+/*
+    @ignore
+    Return YES if the delegate implements collectionView:validateDrop:proposedIndex:dropOperation:
+*/
+- (BOOL)_delegateRespondsToCollectionViewValidateDropProposedIndexDropOperation
+{
+    return _implementedDelegateMethods & CPCollectionViewDelegate_collectionView_validateDrop_proposedIndex_dropOperation_;
+}
+
+/*
+    @ignore
+    Return YES if the delegate implements collectionView:menuForItemAtIndex:
+*/
+- (BOOL)_delegateRespondsToCollectionViewMenuForItemAtIndex
+{
+    return _implementedDelegateMethods & CPCollectionViewDelegate_collectionView_menuForItemAtIndex_;
+}
+
+/*
+    @ignore
+    Return YES if the delegate implements collectionView:dragTypesForItemsAtIndexes:
+*/
+- (BOOL)_delegateRespondsToCollectionViewDragTypesForItemsAtIndexes
+{
+    return _implementedDelegateMethods & CPCollectionViewDelegate_collectionView_dragTypesForItemsAtIndexes_;
+}
+
+/*!
+    @ignore
+    Call delegate collectionView:acceptDrop:index:dropOperation:
+*/
+- (BOOL)_sendDelegateAcceptDrop:(id)draggingInfo index:(CPInteger)index dropOperation:(CPCollectionViewDropOperation)dropOperation
+{
+    if (!(_implementedDelegateMethods & CPCollectionViewDelegate_collectionView_acceptDrop_index_dropOperation_))
+        return NO;
+
+    return [_delegate collectionView:self acceptDrop:draggingInfo index:index dropOperation:dropOperation];
+}
+
+/*!
+    @ignore
+    Call delegate collectionView:canDragItemsAtIndexes:withEvent:
+*/
+- (BOOL)_sendDelegateCanDragItemsAtIndexes:(CPIndexSet)indexes withEvent:(CPEvent)anEvent
+{
+    if (!(_implementedDelegateMethods & CPCollectionViewDelegate_collectionView_canDragItemsAtIndexes_withEvent_))
+        return YES;
+
+    return [_delegate collectionView:self canDragItemsAtIndexes:indexes withEvent:anEvent];
+}
+
+/*!
+    @ignore
+    Call delegate collectionView:writeItemsAtIndexes:toPasteboard:
+*/
+- (BOOL)_sendDelegateWriteItemsAtIndexes:(CPIndexSet)indexes toPasteboard:(CPPasteboard)pasteboard
+{
+    if (!(_implementedDelegateMethods & CPCollectionViewDelegate_collectionView_writeItemsAtIndexes_toPasteboard_))
+        return NO;
+
+    return [_delegate collectionView:self writeItemsAtIndexes:indexes toPasteboard:pasteboard];
+}
+
+/*!
+    @ignore
+    Call delegate collectionView:dragTypesForItemsAtIndexes:
+*/
+- (CPArray)_sendDelegateDragTypesForItemsAtIndexes:(CPIndexSet)indexes
+{
+    if (!(_implementedDelegateMethods & CPCollectionViewDelegate_collectionView_dragTypesForItemsAtIndexes_))
+        return [];
+
+    return [_delegate collectionView:self dragTypesForItemsAtIndexes:indexes];
+}
+
+/*!
+    @ignore
+    Call delegate collectionView:dataForItemsAtIndexes:forType:
+*/
+- (CPData)_sendDelegateDataForItemsAtIndexes:(CPIndexSet)indexes forType:(CPString)aType
+{
+    if (!(_implementedDelegateMethods & CPCollectionViewDelegate_collectionView_dataForItemsAtIndexes_forType_))
+        return nil;
+
+    return [_delegate collectionView:self dataForItemsAtIndexes:indexes forType:aType];
+}
+
+/*!
+    @ignore
+    Call delegate collectionView:validateDrop:proposedIndex:dropOperation:
+*/
+- (CPDragOperation)_sendDelegateValidateDrop:(id)draggingInfo proposedIndex:(CPInteger)proposedDropIndex dropOperation:(CPCollectionViewDropOperation)proposedDropOperation
+{
+    if (!(_implementedDelegateMethods & CPCollectionViewDelegate_collectionView_validateDrop_proposedIndex_dropOperation_))
+        return CPDragOperationNone;
+
+    return [_delegate collectionView:self validateDrop:draggingInfo proposedIndex:proposedDropIndex dropOperation:proposedDropOperation];
+}
+
+/*!
+    @ignore
+    Call delegate collectionView:didDoubleClickOnItemAtIndex:
+*/
+- (void)_sendDelegateDidDoubleClickOnItemAtIndex:(int)index
+{
+    if (!(_implementedDelegateMethods & CPCollectionViewDelegate_collectionView_didDoubleClickOnItemAtIndex_))
+        return;
+
+    return [_delegate collectionView:self didDoubleClickOnItemAtIndex:index];
+}
+
+
+/*!
+    @ignore
+    Call delegate collectionView:menuForItemAtIndex:
+*/
+- (void)_sendDelegateMenuForItemAtIndex:(CPInteger)anIndex
+{
+    if (!(_implementedDelegateMethods & CPCollectionViewDelegate_collectionView_menuForItemAtIndex_))
+        return nil;
+
+    return [_delegate collectionView:self menuForItemAtIndex:anIndex];
+}
+
+/*!
+    @ignore
+    Call delegate draggingViewForItemsAtIndexes:withEvent:offset:
+*/
+- (CPView)_sendDelegateDraggingViewForItemsAtIndexes:(CPIndexSet)indexes withEvent:(CPEvent)anEvent offset:(CGPoint)dragImageOffset
+{
+    if (!(_implementedDelegateMethods & CPCollectionViewDelegate_collectionView_draggingViewForItemsAtIndexes_withEvent_offset))
+        return [self draggingViewForItemsAtIndexes:indexes withEvent:anEvent offset:dragImageOffset];
+
+    return [_delegate collectionView:self draggingViewForItemsAtIndexes:indexes withEvent:anEvent offset:dragImageOffset];
+}
+
+@end
+
+
 var CPCollectionViewMinItemSizeKey              = @"CPCollectionViewMinItemSizeKey",
     CPCollectionViewMaxItemSizeKey              = @"CPCollectionViewMaxItemSizeKey",
     CPCollectionViewVerticalMarginKey           = @"CPCollectionViewVerticalMarginKey",

AppKit/CPColor.j

@@ -25,6 +25,7 @@
 
 @import "CGColor.j"
 
+@import "_CPObject+Theme.j"
 @import "CPCompatibility.j"
 @import "CPImage.j"
 
@@ -65,7 +66,8 @@ var cachedBlackColor,
     cachedOrangeColor,
     cachedPurpleColor,
     cachedShadowColor,
-    cachedClearColor;
+    cachedClearColor,
+    cachedThemeColor;
 
 /// @endcond
 
@@ -78,7 +80,7 @@ var cachedBlackColor,
     <p>It also provides some class helper methods that
     returns instances of commonly used colors.</p>
 */
-@implementation CPColor : CPObject
+@implementation CPColor : CPObject <CPTheme>
 {
     CPArray     _components;
 
@@ -86,6 +88,27 @@ var cachedBlackColor,
     CPString    _cssString;
 }
 
+
+#pragma mark -
+#pragma mark Theming
+
++ (CPString)defaultThemeClass
+{
+    return "color";
+}
+
++ (CPDictionary)themeAttributes
+{
+    return @{
+            @"alternate-selected-control-color": [CPNull null],
+            @"secondary-selected-control-color" : [CPNull null]
+        };
+}
+
+
+#pragma mark -
+#pragma mark Static methods
+
 /*!
     Creates a color in the RGB colorspace, with an alpha value.
     Each component should be between the range of 0.0 to 1.0. For
@@ -436,14 +459,22 @@ var cachedBlackColor,
     return cachedClearColor;
 }
 
++ (CPColor)_cachedThemeColor
+{
+    if (!cachedThemeColor)
+        cachedThemeColor = [self colorWithCalibratedWhite:0.0 alpha:0.0];
+
+    return cachedThemeColor;
+}
+
 + (CPColor)alternateSelectedControlColor
 {
-    return [[CPColor alloc] _initWithRGBA:[0.22, 0.46, 0.84, 1.0]];
+    return [[self _cachedThemeColor] valueForThemeAttribute:@"alternate-selected-control-color"];
 }
 
 + (CPColor)secondarySelectedControlColor
 {
-    return [[CPColor alloc] _initWithRGBA:[0.83, 0.83, 0.83, 1.0]];
+    return [[self _cachedThemeColor] valueForThemeAttribute:@"secondary-selected-control-color"];
 }
 
 /*!
@@ -489,6 +520,10 @@ var cachedBlackColor,
     // use it (issue #1413.)
     [self _initCSSStringFromComponents];
 
+    _theme = [CPTheme defaultTheme];
+    _themeState = CPThemeStateNormal;
+    [self _loadThemeAttributes];
+
     return self;
 }
 
@@ -502,6 +537,10 @@ var cachedBlackColor,
         _components = components;
 
         [self _initCSSStringFromComponents];
+
+        _theme = [CPTheme defaultTheme];
+        _themeState = CPThemeStateNormal;
+        [self _loadThemeAttributes];
     }
 
     return self;
@@ -528,6 +567,10 @@ var cachedBlackColor,
         _patternImage = anImage;
         _cssString = "url(\"" + [_patternImage filename] + "\")";
         _components = [0.0, 0.0, 0.0, 1.0];
+
+        _theme = [CPTheme defaultTheme];
+        _themeState = CPThemeStateNormal;
+        [self _loadThemeAttributes];
     }
 
     return self;
@@ -813,6 +856,12 @@ url("data:image/png;base64,BASE64ENCODEDDATA")  // if there is a pattern image
     return [CPColor colorWithRed:RAND() green:RAND() blue:RAND() alpha:1.0];
 }
 
++ (CPColor)checkerBoardColor
+{
+    // Thanks to cocco http://stackoverflow.com/a/18368212/76900.
+    return [CPColor colorWithPatternImage:[[CPImage alloc] initWithContentsOfFile:"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQAQMAAAAlPW0iAAAABlBMVEX////MzMw46qqDAAAAEElEQVQImWNg+M+AFeEQBgB+vw/xfUUZkgAAAABJRU5ErkJggg=="]];
+}
+
 @end
 
 /// @cond IGNORE
@@ -829,9 +878,13 @@ var CPColorComponentsKey    = @"CPColorComponentsKey",
 - (id)initWithCoder:(CPCoder)aCoder
 {
     if ([aCoder containsValueForKey:CPColorPatternImageKey])
-        return [self _initWithPatternImage:[aCoder decodeObjectForKey:CPColorPatternImageKey]];
+        self = [self _initWithPatternImage:[aCoder decodeObjectForKey:CPColorPatternImageKey]];
+    else
+        self = [self _initWithRGBA:[aCoder decodeObjectForKey:CPColorComponentsKey]];
 
-    return [self _initWithRGBA:[aCoder decodeObjectForKey:CPColorComponentsKey]];
+    [self _decodeThemeObjectsWithCoder:aCoder];
+
+    return self;
 }
 
 /*!
@@ -844,6 +897,8 @@ var CPColorComponentsKey    = @"CPColorComponentsKey",
         [aCoder encodeObject:_patternImage forKey:CPColorPatternImageKey];
     else
         [aCoder encodeObject:_components forKey:CPColorComponentsKey];
+
+    [self _encodeThemeObjectsWithCoder:aCoder];
 }
 
 @end

AppKit/CPColorPanel.j

@@ -27,6 +27,9 @@
 @import "CPView.j"
 
 @class CPSlider
+@class _CPColorPanelToolbar
+@class _CPColorPanelSwatches
+@class _CPColorPanelPreview
 
 @global CPApp
 
@@ -68,7 +71,6 @@ var SharedColorPanel = nil,
 */
 @implementation CPColorPanel : CPPanel
 {
-    _CPColorPanelToolbar    _toolbar;
     _CPColorPanelSwatches   _swatchView;
     _CPColorPanelPreview    _previewView;
 
@@ -481,13 +483,12 @@ var CPColorPanelSwatchesCookie = "CPColorPanelSwatchesCookie";
         ];
     }
 
-    var cookieValue = eval(cookieValue),
-        result = [];
+    var cookieValue = eval(cookieValue);
 
-    for (var i = 0; i < cookieValue.length; i++)
-        result.push([CPColor colorWithHexString:cookieValue[i]]);
-
-    return result;
+    return [cookieValue arrayByApplyingBlock:function(value)
+    {
+        return [CPColor colorWithHexString:value];
+    }];
 }
 
 - (CPArray)saveColorList

AppKit/CPColorPicker.j

@@ -25,6 +25,8 @@
 @import "CPView.j"
 
 @class CPSlider
+@class CPColorPanel
+@class __CPColorWheel
 
 @global CPColorPickerViewWidth
 @global CPColorPickerViewHeight

AppKit/CPColorWell.j

@@ -86,14 +86,12 @@ var _CPColorWellDidBecomeExclusiveNotification = @"_CPColorWellDidBecomeExclusiv
         _active = NO;
         _color = [CPColor whiteColor];
         [self setBordered:YES];
-
-        [self _registerForNotifications];
     }
 
     return self;
 }
 
-- (void)_registerForNotifications
+- (void)_registerNotifications
 {
     var defaultCenter = [CPNotificationCenter defaultCenter];
 
@@ -110,6 +108,22 @@ var _CPColorWellDidBecomeExclusiveNotification = @"_CPColorWellDidBecomeExclusiv
              object:[CPColorPanel sharedColorPanel]];
 }
 
+- (void)_removeNotifications
+{
+    var defaultCenter = [CPNotificationCenter defaultCenter];
+
+    [defaultCenter
+        removeObserver:self
+                  name:_CPColorWellDidBecomeExclusiveNotification
+                object:nil];
+
+    [defaultCenter
+        removeObserver:self
+                  name:CPWindowWillCloseNotification
+                object:[CPColorPanel sharedColorPanel]];
+
+}
+
 /*!
     Sets whether the color well is bordered.
 */
@@ -312,6 +326,28 @@ var _CPColorWellDidBecomeExclusiveNotification = @"_CPColorWellDidBecomeExclusiv
     [contentBorderView setBackgroundColor:[self currentValueForThemeAttribute:@"content-border-color"]];
 }
 
+
+#pragma mark -
+#pragma mark Observers method
+
+- (void)_addObservers
+{
+    if (_isObserving)
+        return;
+
+    [super _addObservers];
+    [self _registerNotifications];
+}
+
+- (void)_removeObservers
+{
+    if (!_isObserving)
+        return;
+
+    [super _removeObservers];
+    [self _removeNotifications];
+}
+
 @end
 
 @implementation CPColorWellValueBinder : CPBinder
@@ -363,8 +399,6 @@ var CPColorWellColorKey     = "CPColorWellColorKey",
         _active = NO;
         _color = [aCoder decodeObjectForKey:CPColorWellColorKey];
         [self setBordered:[aCoder decodeBoolForKey:CPColorWellBorderedKey]];
-
-        [self _registerForNotifications];
     }
 
     return self;

AppKit/CPComboBox.j

@@ -25,6 +25,27 @@
 @import "_CPPopUpList.j"
 
 
+// TODO : should conform to protocol CPTextFieldDelegate
+@protocol CPComboBoxDelegate <CPObject>
+
+@optional
+- (void)comboBoxSelectionIsChanging:(CPNotification)aNotification;
+- (void)comboBoxSelectionDidChange:(CPNotification)aNotification;
+- (void)comboBoxWillPopUp:(CPNotification)aNotification;
+- (void)comboBoxWillDismiss:(CPNotification)aNotification;
+
+@end
+
+@protocol CPComboBoxDataSource <CPObject>
+
+@optional
+- (CPString)comboBox:(CPComboBox)aComboBox completedString:(CPString)uncompletedString;
+- (id)comboBox:(CPComboBox)aComboBox objectValueForItemAtIndex:(int)index;
+- (int)comboBox:(CPComboBox)aComboBox indexOfItemWithStringValue:(CPString)stringValue;
+- (int)numberOfItemsInComboBox:(CPComboBox)aComboBox;
+
+@end
+
 CPComboBoxSelectionDidChangeNotification  = @"CPComboBoxSelectionDidChangeNotification";
 CPComboBoxSelectionIsChangingNotification = @"CPComboBoxSelectionIsChangingNotification";
 CPComboBoxWillDismissNotification         = @"CPComboBoxWillDismissNotification";
@@ -32,6 +53,11 @@ CPComboBoxWillPopUpNotification           = @"CPComboBoxWillPopUpNotification";
 
 CPComboBoxStateButtonBordered = CPThemeState("button-bordered");
 
+var CPComboBoxDelegate_comboBoxSelectionIsChanging_ = 1 << 0,
+    CPComboBoxDelegate_comboBoxSelectionDidChange_  = 1 << 1,
+    CPComboBoxDelegate_comboBoxWillPopUp_           = 1 << 2,
+    CPComboBoxDelegate_comboBoxWillDismiss_         = 1 << 3;
+
 var CPComboBoxTextSubview = @"text",
     CPComboBoxButtonSubview = @"button",
     CPComboBoxDefaultNumberOfVisibleItems = 5,
@@ -40,17 +66,20 @@ var CPComboBoxTextSubview = @"text",
 
 @implementation CPComboBox : CPTextField
 {
-    CPArray                 _items;
-    _CPPopUpList            _listDelegate;
-    CPComboBoxDataSource    _dataSource;
-    BOOL                    _usesDataSource;
-    BOOL                    _completes;
-    BOOL                    _canComplete;
-    int                     _numberOfVisibleItems;
-    BOOL                    _forceSelection;
-    BOOL                    _hasVerticalScroller;
-    CPString                _selectedStringValue;
-    BOOL                    _popUpButtonCausedResign;
+    BOOL                        _canComplete;
+    BOOL                        _completes;
+    BOOL                        _forceSelection;
+    BOOL                        _hasVerticalScroller;
+    BOOL                        _popUpButtonCausedResign;
+    BOOL                        _usesDataSource;
+    CGSize                      _intercellSpacing;
+    CPArray                     _items;
+    id <CPComboBoxDataSource>   _dataSource;
+    CPInteger                   _implementedDelegateComboBoxMethods;
+    CPString                    _selectedStringValue;
+    float                       _itemHeight;
+    int                         _numberOfVisibleItems;
+    _CPPopUpList                _listDelegate;
 }
 
 + (CPString)defaultThemeClass
@@ -119,7 +148,9 @@ var CPComboBoxTextSubview = @"text",
         return;
 
     _hasVerticalScroller = flag;
-    [[_listDelegate scrollView] setHasVerticalScroller:flag];
+
+    if (_listDelegate)
+        [[_listDelegate scrollView] setHasVerticalScroller:_hasVerticalScroller];
 }
 
 - (CGSize)intercellSpacing
@@ -129,7 +160,13 @@ var CPComboBoxTextSubview = @"text",
 
 - (void)setIntercellSpacing:(CGSize)aSize
 {
-    [[_listDelegate tableView] setIntercellSpacing:aSize];
+    if (_intercellSpacing && CGSizeEqualToSize(aSize, _intercellSpacing))
+        return;
+
+    _intercellSpacing = aSize;
+
+    if (_listDelegate)
+        [[_listDelegate tableView] setIntercellSpacing:_intercellSpacing];
 }
 
 - (BOOL)isButtonBordered
@@ -152,10 +189,18 @@ var CPComboBoxTextSubview = @"text",
 
 - (void)setItemHeight:(float)itemHeight
 {
-    [[_listDelegate tableView] setRowHeight:itemHeight];
+    if (itemHeight === _itemHeight)
+        return;
 
-    // FIXME: This shouldn't be necessary, but CPTableView does not tile after setRowHeight
-    [[_listDelegate tableView] reloadData];
+    _itemHeight = itemHeight;
+
+    if (_listDelegate)
+    {
+        [[_listDelegate tableView] setRowHeight:_itemHeight];
+
+        // FIXME: This shouldn't be necessary, but CPTableView does not tile after setRowHeight
+        [[_listDelegate tableView] reloadData];
+    }
 }
 
 - (int)numberOfVisibleItems
@@ -171,7 +216,7 @@ var CPComboBoxTextSubview = @"text",
 
 #pragma mark Setting a Delegate
 
-- (id /*< CPComboBoxDelegate >*/)delegate
+- (id <CPComboBoxDelegate>)delegate
 {
     return [super delegate];
 }
@@ -182,48 +227,28 @@ var CPComboBoxTextSubview = @"text",
     protocol, in actual fact it doesn't. Also note that the same
     delegate may conform to the NSTextFieldDelegate protocol.
 */
-- (void)setDelegate:(id /*< CPComboBoxDelegate >*/)aDelegate
+- (void)setDelegate:(id <CPComboBoxDelegate>)aDelegate
 {
     var delegate = [self delegate];
 
     if (aDelegate === delegate)
         return;
 
-    var defaultCenter = [CPNotificationCenter defaultCenter];
-
-    if (delegate)
-    {
-        [defaultCenter removeObserver:delegate name:CPComboBoxSelectionIsChangingNotification object:self];
-        [defaultCenter removeObserver:delegate name:CPComboBoxSelectionDidChangeNotification object:self];
-        [defaultCenter removeObserver:delegate name:CPComboBoxWillDismissNotification object:self];
-        [defaultCenter removeObserver:delegate name:CPComboBoxWillPopUpNotification object:self];
-    }
+    _implementedDelegateComboBoxMethods = 0;
 
     if (aDelegate)
     {
         if ([aDelegate respondsToSelector:@selector(comboBoxSelectionIsChanging:)])
-            [defaultCenter addObserver:delegate
-                              selector:@selector(comboBoxSelectionIsChanging:)
-                                  name:CPComboBoxSelectionIsChangingNotification
-                                object:self];
+            _implementedDelegateComboBoxMethods |= CPComboBoxDelegate_comboBoxSelectionIsChanging_;
 
         if ([aDelegate respondsToSelector:@selector(comboBoxSelectionDidChange:)])
-            [defaultCenter addObserver:delegate
-                              selector:@selector(comboBoxSelectionDidChange:)
-                                  name:CPComboBoxSelectionDidChangeNotification
-                                object:self];
+            _implementedDelegateComboBoxMethods |= CPComboBoxDelegate_comboBoxSelectionDidChange_;
 
         if ([aDelegate respondsToSelector:@selector(comboBoxWillPopUp:)])
-            [defaultCenter addObserver:delegate
-                              selector:@selector(comboBoxWillPopUp:)
-                                  name:CPComboBoxWillPopUpNotification
-                                object:self];
+            _implementedDelegateComboBoxMethods |= CPComboBoxDelegate_comboBoxWillPopUp_;
 
         if ([aDelegate respondsToSelector:@selector(comboBoxWillDismiss:)])
-            [defaultCenter addObserver:delegate
-                              selector:@selector(comboBoxWillDissmis:)
-                                  name:CPComboBoxWillDismissNotification
-                                object:self];
+            _implementedDelegateComboBoxMethods |= CPComboBoxDelegate_comboBoxWillDismiss_;
     }
 
     [super setDelegate:aDelegate];
@@ -231,7 +256,7 @@ var CPComboBoxTextSubview = @"text",
 
 #pragma mark Setting a Data Source
 
-- (id /*< CPComboBoxDataSource >*/)dataSource
+- (id <CPComboBoxDataSource>)dataSource
 {
     if (!_usesDataSource)
         [self _dataSourceWarningForMethod:_cmd condition:NO];
@@ -239,10 +264,12 @@ var CPComboBoxTextSubview = @"text",
     return _dataSource;
 }
 
-- (void)setDataSource:(id /*< CPComboBoxDataSource >*/)aSource
+- (void)setDataSource:(id <CPComboBoxDataSource>)aSource
 {
     if (!_usesDataSource)
+    {
         [self _dataSourceWarningForMethod:_cmd condition:NO];
+    }
     else if (_dataSource !== aSource)
     {
         if (![aSource respondsToSelector:@selector(numberOfItemsInComboBox:)] ||
@@ -251,7 +278,9 @@ var CPComboBoxTextSubview = @"text",
             CPLog.warn("Illegal %s data source (%s). Must implement numberOfItemsInComboBox: and comboBox:objectValueForItemAtIndex:", [self className], [aSource description]);
         }
         else
+        {
             _dataSource = aSource;
+        }
     }
 }
 
@@ -369,49 +398,57 @@ var CPComboBoxTextSubview = @"text",
     if (_listDelegate === aDelegate)
         return;
 
-    var defaultCenter = [CPNotificationCenter defaultCenter];
-
-    if (_listDelegate)
-    {
-        [defaultCenter removeObserver:self name:_CPPopUpListWillPopUpNotification object:_listDelegate];
-        [defaultCenter removeObserver:self name:_CPPopUpListWillDismissNotification object:_listDelegate];
-        [defaultCenter removeObserver:self name:_CPPopUpListDidDismissNotification object:_listDelegate];
-        [defaultCenter removeObserver:self name:_CPPopUpListItemWasClickedNotification object:_listDelegate];
-
-        var oldTableView = [_listDelegate tableView];
-
-        if (oldTableView)
-        {
-            [defaultCenter removeObserver:self name:CPTableViewSelectionIsChangingNotification object:oldTableView];
-            [defaultCenter removeObserver:self name:CPTableViewSelectionDidChangeNotification object:oldTableView];
-        }
-    }
+    [self _removeObserversForListDelegate:_listDelegate];
 
     _listDelegate = aDelegate;
 
+    // We only add the observers if the CPComboBox is displayed
+    if ([self window])
+        [self _addObserversForListDelegate:_listDelegate]
+
+    // Apply our text style to the list
+    [_listDelegate setFont:[self font]];
+    [_listDelegate setAlignment:[self alignment]];
+
+    [[_listDelegate scrollView] setHasVerticalScroller:_hasVerticalScroller];
+
+    if (_intercellSpacing)
+        [[_listDelegate tableView] setIntercellSpacing:_intercellSpacing];
+
+    if (_itemHeight)
+        [[_listDelegate tableView] setRowHeight:_itemHeight];
+}
+
+- (void)_addObserversForListDelegate:(_CPPopUpList)aDelegate
+{
+    if (!aDelegate)
+        return;
+
+    var defaultCenter = [CPNotificationCenter defaultCenter];
+
     [defaultCenter addObserver:self
                       selector:@selector(comboBoxWillPopUp:)
                           name:_CPPopUpListWillPopUpNotification
-                        object:_listDelegate];
+                        object:aDelegate];
 
     [defaultCenter addObserver:self
                       selector:@selector(comboBoxWillDismiss:)
                           name:_CPPopUpListWillDismissNotification
-                        object:_listDelegate];
+                        object:aDelegate];
 
     [defaultCenter addObserver:self
                       selector:@selector(listDidDismiss:)
                           name:_CPPopUpListDidDismissNotification
-                        object:_listDelegate];
+                        object:aDelegate];
 
     [defaultCenter addObserver:self
                       selector:@selector(itemWasClicked:)
                           name:_CPPopUpListItemWasClickedNotification
-                        object:_listDelegate];
+                        object:aDelegate];
 
-    [[_listDelegate scrollView] setHasVerticalScroller:_hasVerticalScroller];
+    [[aDelegate scrollView] setHasVerticalScroller:_hasVerticalScroller];
 
-    var tableView = [_listDelegate tableView];
+    var tableView = [aDelegate tableView];
 
     [defaultCenter addObserver:self
                       selector:@selector(comboBoxSelectionIsChanging:)
@@ -422,10 +459,27 @@ var CPComboBoxTextSubview = @"text",
                       selector:@selector(comboBoxSelectionDidChange:)
                           name:CPTableViewSelectionDidChangeNotification
                         object:tableView];
+}
 
-    // Apply our text style to the list
-    [_listDelegate setFont:[self font]];
-    [_listDelegate setAlignment:[self alignment]];
+- (void)_removeObserversForListDelegate:(_CPPopUpList)aDelegate
+{
+    if (!aDelegate)
+        return;
+
+    var defaultCenter = [CPNotificationCenter defaultCenter];
+
+    [defaultCenter removeObserver:self name:_CPPopUpListWillPopUpNotification object:aDelegate];
+    [defaultCenter removeObserver:self name:_CPPopUpListWillDismissNotification object:aDelegate];
+    [defaultCenter removeObserver:self name:_CPPopUpListDidDismissNotification object:aDelegate];
+    [defaultCenter removeObserver:self name:_CPPopUpListItemWasClickedNotification object:aDelegate];
+
+    var oldTableView = [aDelegate tableView];
+
+    if (oldTableView)
+    {
+        [defaultCenter removeObserver:self name:CPTableViewSelectionIsChangingNotification object:oldTableView];
+        [defaultCenter removeObserver:self name:CPTableViewSelectionDidChangeNotification object:oldTableView];
+    }
 }
 
 - (int)indexOfItemWithObjectValue:(id)anObject
@@ -470,8 +524,6 @@ var CPComboBoxTextSubview = @"text",
     if (!_listDelegate)
         [self setListDelegate:[[_CPPopUpList alloc] initWithDataSource:self]];
 
-    [self _selectMatchingItem];
-
     // Note the offset here is 1 less than the focus ring width because the outer edge
     // of the focus ring is very transparent and it looks better if the list is closer.
     if (CPComboBoxFocusRingWidth < 0)
@@ -482,6 +534,7 @@ var CPComboBoxTextSubview = @"text",
     }
 
     [_listDelegate popUpRelativeToRect:[self _borderFrame] view:self offset:CPComboBoxFocusRingWidth - 1];
+    [self _selectMatchingItem];
 }
 
 /*! @ignore */
@@ -790,7 +843,17 @@ var CPComboBoxTextSubview = @"text",
         // In FireFox this needs to be done in setTimeout, otherwise there is no caret
         // We have to save the input element now, when we lose focus it will change.
         var element = [self _inputElement];
-        window.setTimeout(function() { element.focus(); }, 0);
+
+        [[CPRunLoop mainRunLoop] performBlock:function()
+        {
+            // This will prevent to jump to the focused element
+            var previousScrollingOrigin = [self _scrollToVisibleRectAndReturnPreviousOrigin];
+
+            element.focus();
+
+            [self _restorePreviousScrollingOrigin:previousScrollingOrigin];
+
+        } argument:nil order:0 modes:[CPDefaultRunLoopMode]];
 #endif
 
         return NO;
@@ -817,13 +880,17 @@ var CPComboBoxTextSubview = @"text",
 - (void)setFont:(CPFont)aFont
 {
     [super setFont:aFont];
-    [_listDelegate setFont:aFont];
+
+    if (_listDelegate)
+        [_listDelegate setFont:aFont];
 }
 
 - (void)setAlignment:(CPTextAlignment)alignment
 {
     [super setAlignment:alignment];
-    [_listDelegate setAlignment:alignment];
+
+    if (_listDelegate)
+        [_listDelegate setAlignment:alignment];
 }
 
 #pragma mark Pop Up Button Layout
@@ -894,7 +961,9 @@ var CPComboBoxTextSubview = @"text",
             index = [_dataSource comboBox:self indexOfItemWithStringValue:stringValue]
     }
     else
+    {
         index = [self indexOfItemWithObjectValue:stringValue];
+    }
 
     [_listDelegate selectRow:index];
 
@@ -946,6 +1015,28 @@ var CPComboBoxTextSubview = @"text",
     }
 }
 
+
+#pragma mark -
+#pragma mark Observers method
+
+- (void)_addObservers
+{
+    if (_isObserving)
+        return;
+
+    [super _addObservers];
+    [self _addObserversForListDelegate:_listDelegate];
+}
+
+- (void)_removeObservers
+{
+    if (!_isObserving)
+        return;
+
+    [super _removeObservers];
+    [self _removeObserversForListDelegate:_listDelegate];
+}
+
 @end
 
 @implementation CPComboBox (CPComboBoxDelegate)
@@ -953,24 +1044,36 @@ var CPComboBoxTextSubview = @"text",
 /*! @ignore */
 - (void)comboBoxSelectionIsChanging:(CPNotification)aNotification
 {
+    if (_implementedDelegateComboBoxMethods & CPComboBoxDelegate_comboBoxSelectionIsChanging_)
+        [_delegate comboBoxSelectionIsChanging:[[CPNotification alloc] initWithName:CPComboBoxSelectionIsChangingNotification object:self userInfo:nil]];
+
     [[CPNotificationCenter defaultCenter] postNotificationName:CPComboBoxSelectionIsChangingNotification object:self];
 }
 
 /*! @ignore */
 - (void)comboBoxSelectionDidChange:(CPNotification)aNotification
 {
+    if (_implementedDelegateComboBoxMethods & CPComboBoxDelegate_comboBoxSelectionDidChange_)
+        [_delegate comboBoxSelectionDidChange:[[CPNotification alloc] initWithName:CPComboBoxSelectionDidChangeNotification object:self userInfo:nil]];
+
     [[CPNotificationCenter defaultCenter] postNotificationName:CPComboBoxSelectionDidChangeNotification object:self];
 }
 
 /*! @ignore */
 - (void)comboBoxWillPopUp:(CPNotification)aNotification
 {
+    if (_implementedDelegateComboBoxMethods & CPComboBoxDelegate_comboBoxWillPopUp_)
+        [_delegate comboBoxWillPopUp:[[CPNotification alloc] initWithName:CPComboBoxWillPopUpNotification object:self userInfo:nil]];
+
     [[CPNotificationCenter defaultCenter] postNotificationName:CPComboBoxWillPopUpNotification object:self];
 }
 
 /*! @ignore */
 - (void)comboBoxWillDismiss:(CPNotification)aNotification
 {
+    if (_implementedDelegateComboBoxMethods & CPComboBoxDelegate_comboBoxWillDismiss_)
+        [_delegate comboBoxWillDismiss:[[CPNotification alloc] initWithName:CPComboBoxWillDismissNotification object:self userInfo:nil]];
+
     [[CPNotificationCenter defaultCenter] postNotificationName:CPComboBoxWillDismissNotification object:self];
 }
 
@@ -1039,11 +1142,9 @@ var CPComboBoxTextSubview = @"text",
     // Directly nuke _items, [_items removeAll] will trigger an extra call to setContent
     _items = [];
 
-    var values = [];
-
-    [anArray enumerateObjectsUsingBlock:function(object)
+    var values = [anArray arrayByApplyingBlock:function(object)
     {
-        values.push([object description]);
+        return [object description];
     }];
 
     [self addItemsWithObjectValues:values];

AppKit/CPCompatibility.j

@@ -78,6 +78,8 @@ CPInputOnInputEventFeature              = 30;
 
 CPFileAPIFeature                        = 31;
 
+CPAltEnterTextAreaFeature               = 32;
+
 
 
 /*
@@ -100,6 +102,7 @@ var USER_AGENT                          = "",
 // default these features to true
 PLATFORM_FEATURES[CPInputTypeCanBeChangedFeature] = YES;
 PLATFORM_FEATURES[CPInputSetFontOutsideOfDOM] = YES;
+PLATFORM_FEATURES[CPAltEnterTextAreaFeature] = YES;
 
 if (typeof window !== "undefined" && typeof window.navigator !== "undefined")
     USER_AGENT = window.navigator.userAgent;
@@ -208,6 +211,7 @@ else if (USER_AGENT.indexOf("Gecko") !== -1) // Must follow KHTML check.
     // Some day this might be fixed and should be version prefixed. No known fixed version yet.
     PLATFORM_FEATURES[CPInput1PxLeftPadding] = YES;
 
+    PLATFORM_FEATURES[CPAltEnterTextAreaFeature] = NO;
     // This was supposed to be added in Firefox 22, but when testing with the latest beta as of 2013-06-14
     // it does not seem to work. It seems to exhibit the CPJavaScriptPasteRequiresEditableTarget problem,
     // and in addition doesn't seem to work with our native copy code either.
@@ -434,3 +438,12 @@ function CPBrowserCSSProperty(aProperty)
 
     return browserProperty.toLowerCase();
 }
+
+function CPBrowserBackingStorePixelRatio(context)
+{
+    return  context.webkitBackingStorePixelRatio ||
+            context.mozBackingStorePixelRatio ||
+            context.msBackingStorePixelRatio ||
+            context.oBackingStorePixelRatio ||
+            context.backingStorePixelRatio || 1;
+}

AppKit/CPControl.j

@@ -27,19 +27,28 @@
 @import "CPShadow.j"
 @import "CPView.j"
 @import "CPKeyValueBinding.j"
+@import "CPTrackingArea.j"
 
 @global CPApp
 
-CPLeftTextAlignment      = 0;
-CPRightTextAlignment     = 1;
-CPCenterTextAlignment    = 2;
-CPJustifiedTextAlignment = 3;
-CPNaturalTextAlignment   = 4;
+@protocol CPControlTextEditingDelegate <CPObject>
 
+@optional
+- (void)controlTextDidBeginEditing:(CPNotification)aNotification;
+- (void)controlTextDidChange:(CPNotification)aNotification;
+- (void)controlTextDidEndEditing:(CPNotification)aNotification;
+- (void)controlTextDidFocus:(CPNotification)aNotification;
+- (void)controlTextDidBlur:(CPNotification)aNotification;
+- (BOOL)control:(CPControl)control didFailToFormatString:(CPString)string errorDescription:(CPString)error;
+
+@end
+
+@typedef CPControlSize
 CPRegularControlSize = 0;
 CPSmallControlSize   = 1;
 CPMiniControlSize    = 2;
 
+@typedef CPLineBreakMode
 CPLineBreakByWordWrapping     = 0;
 CPLineBreakByCharWrapping     = 1;
 CPLineBreakByClipping         = 2;
@@ -47,11 +56,13 @@ CPLineBreakByTruncatingHead   = 3;
 CPLineBreakByTruncatingTail   = 4;
 CPLineBreakByTruncatingMiddle = 5;
 
+@typedef CPVerticalTextAlignment
 CPTopVerticalTextAlignment    = 1;
 CPCenterVerticalTextAlignment = 2;
 CPBottomVerticalTextAlignment = 3;
 
 // Deprecated for use with images, use the CPImageScale constants
+@typedef CPImageScaling
 CPScaleProportionally = 0;
 CPScaleToFit          = 1;
 CPScaleNone           = 2;
@@ -61,6 +72,7 @@ CPImageScaleAxesIndependently      = 1;
 CPImageScaleNone                   = 2;
 CPImageScaleProportionallyUpOrDown = 3;
 
+@typedef CPCellImagePosition
 CPNoImage       = 0;
 CPImageOnly     = 1;
 CPImageLeft     = 2;
@@ -106,6 +118,10 @@ var CPControlBlackColor = [CPColor blackColor];
     BOOL                _trackingWasWithinFrame;
     unsigned            _trackingMouseDownFlags;
     CGPoint             _previousTrackingLocation;
+
+    CPControlSize       _controlSize;
+
+    CPWritingDirection  _baseWritingDirection   @accessors(property=baseWritingDirection);
 }
 
 + (CPDictionary)themeAttributes
@@ -122,6 +138,7 @@ var CPControlBlackColor = [CPColor blackColor];
             @"image-scaling": CPScaleToFit,
             @"min-size": CGSizeMakeZero(),
             @"max-size": CGSizeMake(-1.0, -1.0),
+            @"nib2cib-adjustment-frame": CGRectMakeZero()
         };
 }
 
@@ -177,13 +194,94 @@ var CPControlBlackColor = [CPColor blackColor];
 
     if (self)
     {
-        _sendActionOn = CPLeftMouseUpMask;
+        _sendActionOn           = CPLeftMouseUpMask;
         _trackingMouseDownFlags = 0;
     }
 
     return self;
 }
 
+#pragma mark -
+#pragma mark Control Size
+
+/*!
+    Returns the control's control size
+*/
+- (CPControlSize)controlSize
+{
+    return _controlSize;
+}
+
+/*!
+    Sets the control's size.
+    @param aControlSize the control's size
+*/
+- (void)setControlSize:(CPControlSize)aControlSize
+{
+    if (_controlSize === aControlSize)
+        return;
+
+    [self unsetThemeState:[self _controlSizeThemeState]];
+    _controlSize = aControlSize;
+    [self setThemeState:[self _controlSizeThemeState]];
+
+    [self setNeedsLayout];
+    [self setNeedsDisplay:YES];
+}
+
+/*!
+    Gets the current theme state according to the current controlSize.
+    @return a CPThemeState
+*/
+- (ThemeState)_controlSizeThemeState
+{
+    switch (_controlSize)
+    {
+        case CPSmallControlSize:
+            return CPThemeStateControlSizeSmall;
+
+        case CPMiniControlSize:
+            return CPThemeStateControlSizeMini;
+
+        case CPRegularControlSize:
+        default:
+            return CPThemeStateControlSizeRegular;
+    }
+}
+
+/*!
+    @ignore
+    Change frame size according to the theme control size theme constraints
+    Basically for height to min-size.
+*/
+- (void)_sizeToControlSize
+{
+    var frameSize = [self frameSize],
+        minSize = [self currentValueForThemeAttribute:@"min-size"],
+        maxSize = [self currentValueForThemeAttribute:@"max-size"];
+
+    if (minSize.width > 0)
+    {
+        frameSize.width = MAX(minSize.width, frameSize.width);
+
+        if (maxSize.width > 0)
+            frameSize.width = MIN(maxSize.width, frameSize.width);
+    }
+
+    if (minSize.height > 0)
+    {
+        frameSize.height = MAX(minSize.height, frameSize.height);
+
+        if (maxSize.height > 0)
+            frameSize.height = MIN(maxSize.height, frameSize.height);
+    }
+
+    [self setFrameSize:frameSize];
+}
+
+
+#pragma mark -
+
 /*!
     Sets the receiver's target action.
 
@@ -913,16 +1011,74 @@ var CPControlBlackColor = [CPColor blackColor];
     return [self hasThemeState:CPThemeStateHighlighted];
 }
 
+
+#pragma mark -
+#pragma mark Base writing direction
+
+/*!
+    Sets the initial writing direction of the receiver
+    @param writingDirection - It could be CPWritingDirectionNatural, CPWritingDirectionLeftToRight, CPWritingDirectionRightToLeft
+*/
+- (void)setBaseWritingDirection:(CPWritingDirection)writingDirection
+{
+    if (writingDirection == _baseWritingDirection)
+        return;
+
+    [self willChangeValueForKey:@"baseWritingDirection"];
+    _baseWritingDirection = writingDirection;
+    [self didChangeValueForKey:@"baseWritingDirection"];
+
+#if PLATFORM(DOM)
+
+    var style;
+
+    switch (_baseWritingDirection)
+    {
+        case CPWritingDirectionNatural:
+            style = "initial";
+            break;
+
+        case CPWritingDirectionLeftToRight:
+            style = "ltr";
+            break;
+
+        case CPWritingDirectionRightToLeft:
+            style = "rtl";
+            break;
+
+        default:
+            style = "initial";
+    }
+
+    _DOMElement.style.direction = style;
+#endif
+}
+
 @end
 
-var CPControlValueKey                   = @"CPControlValueKey",
+@implementation CPControl (CPTrackingArea)
+
+- (void)updateTrackingAreas
+{
+    [self removeAllTrackingAreas];
+    [self addTrackingArea:[[CPTrackingArea alloc] initWithRect:CGRectMakeZero()
+                                                       options:CPTrackingMouseEnteredAndExited | CPTrackingActiveInKeyWindow | CPTrackingInVisibleRect
+                                                         owner:self
+                                                      userInfo:nil]];
+}
+
+@end
+
+var CPControlActionKey                  = @"CPControlActionKey",
+    CPControlControlSizeKey             = @"CPControlControlSizeKey",
     CPControlControlStateKey            = @"CPControlControlStateKey",
-    CPControlIsEnabledKey               = @"CPControlIsEnabledKey",
-    CPControlTargetKey                  = @"CPControlTargetKey",
-    CPControlActionKey                  = @"CPControlActionKey",
-    CPControlSendActionOnKey            = @"CPControlSendActionOnKey",
     CPControlFormatterKey               = @"CPControlFormatterKey",
+    CPControlIsEnabledKey               = @"CPControlIsEnabledKey",
+    CPControlSendActionOnKey            = @"CPControlSendActionOnKey",
     CPControlSendsActionOnEndEditingKey = @"CPControlSendsActionOnEndEditingKey",
+    CPControlTargetKey                  = @"CPControlTargetKey",
+    CPControlValueKey                   = @"CPControlValueKey",
+    CPControlBaseWrittingDirectionKey   = @"CPControlBaseWrittingDirectionKey";
 
     __Deprecated__CPImageViewImageKey   = @"CPImageViewImageKey";
 
@@ -949,6 +1105,10 @@ var CPControlValueKey                   = @"CPControlValueKey",
         [self setSendsActionOnEndEditing:[aCoder decodeBoolForKey:CPControlSendsActionOnEndEditingKey]];
 
         [self setFormatter:[aCoder decodeObjectForKey:CPControlFormatterKey]];
+
+        [self setControlSize:[aCoder decodeIntForKey:CPControlControlSizeKey]];
+
+        [self setBaseWritingDirection:[aCoder decodeIntForKey:CPControlBaseWrittingDirectionKey]];
     }
 
     return self;
@@ -981,6 +1141,11 @@ var CPControlValueKey                   = @"CPControlValueKey",
 
     if (_formatter !== nil)
         [aCoder encodeObject:_formatter forKey:CPControlFormatterKey];
+
+    [aCoder encodeInt:_controlSize forKey:CPControlControlSizeKey];
+
+    [aCoder encodeInt:_baseWritingDirection forKey:CPControlBaseWrittingDirectionKey];
+
 }
 
 @end

AppKit/CPCursor.j

@@ -22,6 +22,7 @@ Cursor support by browser:
 */
 
 @import <Foundation/CPObject.j>
+@import "CPImage.j"
 
 @global CPApp
 
@@ -122,6 +123,9 @@ var currentCursor = nil,
 
 - (void)set
 {
+    if (currentCursor === self)
+        return;
+    
     currentCursor = self;
 
 #if PLATFORM(DOM)

AppKit/CPDatePicker/CPDatePicker.j

@@ -28,7 +28,6 @@
 @import <Foundation/CPArray.j>
 @import <Foundation/CPObject.j>
 @import <Foundation/CPDate.j>
-@import <Foundation/CPDateFormatter.j>
 @import <Foundation/CPLocale.j>
 @import <Foundation/CPTimeZone.j>
 
@@ -76,6 +75,7 @@ CPEraDatePickerElementFlag              = 0x0100;
     CPInteger       _datePickerStyle    @accessors(property=datePickerStyle);
     CPInteger       _timeInterval       @accessors(property=timeInterval);
 
+    BOOL                    _invokedByUserEvent;
     _CPDatePickerTextField  _datePickerTextfield;
     _CPDatePickerCalendar   _datePickerCalendar;
     unsigned                _implementedCDatePickerDelegateMethods;
@@ -206,24 +206,32 @@ CPEraDatePickerElementFlag              = 0x0100;
     if (!_locale)
         _locale = [CPLocale currentLocale];
 
-    if (!_timeZone)
-        _timeZone = [CPTimeZone systemTimeZone];
-
     _datePickerTextfield = [[_CPDatePickerTextField alloc] initWithFrame:[self bounds] withDatePicker:self];
-
     [_datePickerTextfield setDateValue:_dateValue];
-    [self addSubview:_datePickerTextfield];
 
     _datePickerCalendar = [[_CPDatePickerCalendar alloc] initWithFrame:[self bounds] withDatePicker:self];
     [_datePickerCalendar setDateValue:_dateValue];
-    [_datePickerCalendar setHidden:YES];
-    [self addSubview:_datePickerCalendar];
+
+    // We might have been unarchived in a disabled state.
+    [_datePickerTextfield setEnabled:[self isEnabled]];
 
     [self setNeedsDisplay:YES];
     [self setNeedsLayout];
 }
 
 
+#pragma mark -
+#pragma mark Control Size
+
+- (void)setControlSize:(CPControlSize)aControlSize
+{
+    [super setControlSize:aControlSize];
+
+    if ([self datePickerStyle] == CPTextFieldAndStepperDatePickerStyle || [self datePickerStyle] == CPTextFieldDatePickerStyle)
+        [self _sizeToControlSize];
+}
+
+
 #pragma mark -
 #pragma mark Delegate methods
 
@@ -252,15 +260,26 @@ CPEraDatePickerElementFlag              = 0x0100;
 
     if (_datePickerStyle == CPTextFieldAndStepperDatePickerStyle || _datePickerStyle == CPTextFieldDatePickerStyle)
     {
-        [_datePickerTextfield setHidden:NO];
-        [_datePickerCalendar setHidden:YES];
+        if (![_datePickerTextfield superview])
+            [self addSubview:_datePickerTextfield];
+
+        if ([_datePickerCalendar superview])
+            [_datePickerCalendar removeFromSuperview];
+
+        [_datePickerTextfield setControlSize:[self controlSize]];
         [_datePickerTextfield setNeedsLayout];
+        [_datePickerTextfield setNeedsDisplay:YES];
     }
     else
     {
-        [_datePickerCalendar setHidden:NO];
-        [_datePickerTextfield setHidden:YES];
+        if (![_datePickerCalendar superview])
+            [self addSubview:_datePickerCalendar];
+
+        if ([_datePickerTextfield superview])
+            [_datePickerTextfield removeFromSuperview];
+
         [_datePickerCalendar setNeedsLayout];
+        [_datePickerCalendar setNeedsDisplay:YES];
     }
 }
 
@@ -275,11 +294,14 @@ CPEraDatePickerElementFlag              = 0x0100;
     return _dateValue
 }
 
-/*! Set the objectValue ofhe datePier. It has to be a CPDate
+/*! Set the objectValue of the datePicker. It has to be a CPDate
     @param aDateValue the dateValue
 */
 - (void)setObjectValue:(CPDate)aValue
 {
+    if (![aValue isKindOfClass:[CPDate class]])
+        return;
+
     [self setDateValue:aValue];
 }
 
@@ -291,6 +313,7 @@ CPEraDatePickerElementFlag              = 0x0100;
     if (aDateValue == nil)
         return;
 
+    _invokedByUserEvent = NO;
     [self _setDateValue:aDateValue timeInterval:_timeInterval];
 }
 
@@ -300,6 +323,14 @@ CPEraDatePickerElementFlag              = 0x0100;
 */
 - (void)_setDateValue:(CPDate)aDateValue timeInterval:(CPTimeInterval)aTimeInterval
 {
+    // Make sure to have a valid date and avoid NaN values
+    if (!isFinite(aDateValue))
+    {
+        [CPException raise:CPInvalidArgumentException
+                    reason:@"aDateValue is not valid"];
+        return;
+    }
+
     if (_minDate)
         aDateValue = new Date (MAX(aDateValue, _minDate));
 
@@ -309,7 +340,14 @@ CPEraDatePickerElementFlag              = 0x0100;
     aTimeInterval = MAX(MIN(aTimeInterval, [_maxDate timeIntervalSinceDate:aDateValue]), [_minDate timeIntervalSinceDate:aDateValue]);
 
     if ([aDateValue isEqualToDate:_dateValue] && aTimeInterval == _timeInterval)
+    {
+        if (_datePickerStyle == CPTextFieldAndStepperDatePickerStyle || _datePickerStyle == CPTextFieldDatePickerStyle)
+            [_datePickerTextfield setDateValue:_dateValue];
+        else
+            [_datePickerCalendar setDateValue:_dateValue];
+
         return;
+    }
 
     if (_implementedCDatePickerDelegateMethods & CPDatePicker_validateProposedDateValue_timeInterval)
     {
@@ -331,7 +369,8 @@ CPEraDatePickerElementFlag              = 0x0100;
     _timeInterval = (_datePickerMode == CPSingleDateMode)? 0 : aTimeInterval;
     [self didChangeValueForKey:@"timeInterval"];
 
-    [self sendAction:[self action] to:[self target]];
+    if (_invokedByUserEvent)
+        [self sendAction:[self action] to:[self target]];
 
     if (_datePickerStyle == CPTextFieldAndStepperDatePickerStyle || _datePickerStyle == CPTextFieldDatePickerStyle)
         [_datePickerTextfield setDateValue:_dateValue];
@@ -370,6 +409,8 @@ CPEraDatePickerElementFlag              = 0x0100;
 {
     _datePickerStyle = aDatePickerStyle;
 
+    [self setControlSize:[self controlSize]];
+
     [self setNeedsDisplay:YES];
     [self setNeedsLayout];
 }
@@ -509,6 +550,11 @@ CPEraDatePickerElementFlag              = 0x0100;
     [self didChangeValueForKey:@"timeZone"];
 
     [self setNeedsLayout];
+
+    if (_datePickerStyle == CPTextFieldAndStepperDatePickerStyle || _datePickerStyle == CPTextFieldDatePickerStyle)
+        [_datePickerTextfield setDateValue:_dateValue];
+    else
+        [_datePickerCalendar setDateValue:_dateValue];
 }
 
 
@@ -520,11 +566,16 @@ CPEraDatePickerElementFlag              = 0x0100;
 - (BOOL)becomeFirstResponder
 {
     if (_datePickerStyle == CPTextFieldAndStepperDatePickerStyle || _datePickerStyle == CPTextFieldDatePickerStyle)
-        [_datePickerTextfield _selecteTextFieldWithFlags:[[CPApp currentEvent] modifierFlags]];
-    else
-        return NO;
+    {
+        if (![super becomeFirstResponder])
+            return NO;
 
-    return YES;
+        [_datePickerTextfield _selectTextFieldWithFlags:[[CPApp currentEvent] modifierFlags]];
+
+        return YES;
+    }
+
+    return NO;
 }
 
 /*! Return YES
@@ -579,14 +630,6 @@ CPEraDatePickerElementFlag              = 0x0100;
     return [[_locale objectForKey:CPLocaleCountryCode] isEqualToString:@"US"];
 }
 
-/*! Check if we are in the english format or not. Depending on the locale
-*/
-- (BOOL)_isEnglishFormat
-{
-    return [[_locale objectForKey:CPLocaleLanguageCode] isEqualToString:@"en"];
-}
-
-
 #pragma mark -
 #pragma mark Key event
 
@@ -628,12 +671,13 @@ var CPDatePickerModeKey         = @"CPDatePickerModeKey",
         _timeInterval = [aCoder decodeDoubleForKey:CPIntervalKey];
         _datePickerMode = [aCoder decodeIntForKey:CPDatePickerModeKey];
         _datePickerElements = [aCoder decodeIntForKey:CPDatePickerElementsKey];
-        _datePickerStyle = [aCoder decodeIntForKey:CPDatePickerStyleKey];
+        [self setDatePickerStyle:[aCoder decodeIntForKey:CPDatePickerStyleKey]];
         _locale = [aCoder decodeObjectForKey:CPLocaleKey];
         _dateValue = [aCoder decodeObjectForKey:CPDateValueKey];
         _backgroundColor = [aCoder decodeObjectForKey:CPBackgroundColorKey];
         _drawsBackground = [aCoder decodeBoolForKey:CPDrawsBackgroundKey];
         _isBordered = [aCoder decodeBoolForKey:CPBorderedKey];
+
         [self _init];
     }
 
@@ -642,7 +686,9 @@ var CPDatePickerModeKey         = @"CPDatePickerModeKey",
 
 - (void)encodeWithCoder:(CPCoder)aCoder
 {
+    // FIXME Do we need to encode _datePickerTextfield and _datePickerCalendar? As subviews they'll be encoded, but when we decode we recreate them anyhow.
     [super encodeWithCoder:aCoder];
+
     [aCoder encodeDouble:_timeInterval forKey:CPIntervalKey];
     [aCoder encodeInt:_datePickerMode forKey:CPDatePickerModeKey];
     [aCoder encodeInt:_datePickerStyle forKey:CPDatePickerStyleKey];
@@ -655,6 +701,7 @@ var CPDatePickerModeKey         = @"CPDatePickerModeKey",
     [aCoder encodeObject:_backgroundColor forKey:CPBackgroundColorKey];
     [aCoder encodeObject:_drawsBackground forKey:CPDrawsBackgroundKey];
     [aCoder encodeObject:_isBordered forKey:CPBorderedKey];
+
 }
 
 @end

AppKit/CPDatePicker/_CPDatePickerCalendar.j

@@ -29,7 +29,11 @@
 @import <Foundation/Foundation.j>
 
 @class CPDatePicker
+@class _CPDatePickerMonthView
+@class _CPDatePickerHeaderView
+@class _CPDatePickerBox
 
+@global CPApp
 @global CPSingleDateMode
 @global CPRangeDateMode
 
@@ -43,6 +47,10 @@
 @global CPYearMonthDayDatePickerElementFlag
 @global CPEraDatePickerElementFlag
 
+@global CPAlternateKeyMask
+@global CPCommandKeyMask
+@global CPControlKeyMask
+
 var CPShortWeekDayNameArrayEn = [@"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa", @"Su"],
     CPShortWeekDayNameArrayUS = [@"Su", @"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa"],
     CPShortWeekDayNameArrayFr = [@"L", @"M", @"M", @"J", @"V", @"S", @"D"],
@@ -58,7 +66,7 @@ var CPShortWeekDayNameArrayEn = [@"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa", @"Su"
     _CPDatePickerMonthView          _monthView;
     _CPDatePickerHeaderView         _headerView;
     _CPDatePickerClock              _datePickerClock;
-    CPBox                           _box;
+    _CPDatePickerBox                _box;
     CPDatePicker                    _datePicker;
     CPInteger                       _startSelectionIndex;
     CPInteger                       _currentSelectionIndex;
@@ -80,6 +88,7 @@ var CPShortWeekDayNameArrayEn = [@"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa", @"Su"
         _datePicker = aDatePicker
         [self _init];
     }
+
     return self;
 }
 
@@ -91,7 +100,7 @@ var CPShortWeekDayNameArrayEn = [@"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa", @"Su"
         sizeCalendar = [_datePicker valueForThemeAttribute:@"size-calendar"],
         sizeClock = [_datePicker valueForThemeAttribute:@"size-clock"];
 
-    _box = [[_DatePickerBox alloc] initWithFrame:CGRectMake(0, 0, sizeCalendar.width, sizeHeader.height + sizeCalendar.height)];
+    _box = [[_CPDatePickerBox alloc] initWithFrame:CGRectMake(0, 0, sizeCalendar.width, sizeHeader.height + sizeCalendar.height)];
     [_box setDatePicker:_datePicker];
 
     _headerView = [[_CPDatePickerHeaderView alloc] initWithFrame:CGRectMake(0, 0, sizeHeader.width, sizeHeader.height) datePicker:_datePicker delegate:self];
@@ -113,11 +122,6 @@ var CPShortWeekDayNameArrayEn = [@"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa", @"Su"
 #pragma mark -
 #pragma mark Responder methods
 
-- (BOOL)becomeFirstResponder
-{
-    return YES;
-}
-
 - (BOOL)acceptsFirstResponder
 {
     return YES;
@@ -215,6 +219,8 @@ var CPShortWeekDayNameArrayEn = [@"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa", @"Su"
         [_headerView setHidden:YES];
         [_monthView setHidden:YES];
     }
+
+    [self setFrameSize:[_datePicker frameSize]];
 }
 
 
@@ -223,16 +229,62 @@ var CPShortWeekDayNameArrayEn = [@"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa", @"Su"
 
 /*! Move to the nextMonth without changing the dateValue of the datePicker
 */
-- (void)_nextMonth:(id)sender
+- (void)_clickArrowNext:(id)sender
 {
-    [self setDateValue:[_monthView nextMonth]];
+    var currentEvent = [CPApp currentEvent],
+        modifierFlags = [currentEvent modifierFlags];
+
+    if (modifierFlags & (CPCommandKeyMask | CPControlKeyMask | CPAlternateKeyMask))
+    {
+        var date = [[_monthView monthDate] copy];
+        date.setDate(1);
+
+        if (modifierFlags & CPAlternateKeyMask)
+            date.setUTCFullYear(date.getUTCFullYear() + 10);
+        else
+            date.setUTCFullYear(date.getUTCFullYear() + 1);
+
+        [self setDateValue:date];
+    }
+    else
+    {
+         [self _displayNextMonth];
+    }
+}
+
+- (void)_displayNextMonth
+{
+     [self setDateValue:[_monthView nextMonth]];
+}
+
+- (void)_displayPreviousMonth
+{
+    [self setDateValue:[_monthView previousMonth]];
 }
 
 /*! Move to the previous month without changing the dateValue of the datePicker
 */
-- (void)_previousMonth:(id)sender
+- (void)_clickArrowPrevious:(id)sender
 {
-    [self setDateValue:[_monthView previousMonth]];
+    var currentEvent = [CPApp currentEvent],
+        modifierFlags = [currentEvent modifierFlags];
+
+    if (modifierFlags & (CPCommandKeyMask | CPControlKeyMask | CPAlternateKeyMask))
+    {
+        var date = [[_monthView monthDate] copy];
+        date.setDate(1);
+
+        if (modifierFlags & CPAlternateKeyMask)
+            date.setUTCFullYear(date.getUTCFullYear() - 10);
+        else
+            date.setUTCFullYear(date.getUTCFullYear() - 1);
+
+        [self setDateValue:date];
+    }
+    else
+    {
+         [self _displayPreviousMonth];
+    }
 }
 
 /*! Move to the current selected day
@@ -334,10 +386,12 @@ var CPShortWeekDayNameArrayEn = [@"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa", @"Su"
         [self addSubview:_currentButton];
 
         [_previousButton setTarget:aDelegate];
-        [_previousButton setAction:@selector(_previousMonth:)];
+        [_previousButton setAction:@selector(_clickArrowPrevious:)];
+        [_previousButton setContinuous:YES];
 
         [_nextButton setTarget:aDelegate];
-        [_nextButton setAction:@selector(_nextMonth:)];
+        [_nextButton setAction:@selector(_clickArrowNext:)];
+        [_nextButton setContinuous:YES];
 
         [_currentButton setTarget:aDelegate];
         [_currentButton setAction:@selector(_currentMonth:)];
@@ -683,7 +737,7 @@ var CPShortWeekDayNameArrayEn = [@"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa", @"Su"
 
         [dayTile setDate:[currentDate copy]];
         [dayTile setStringValue:currentDate.getDate()];
-        [dayTile setDisabled:![self isEnabled] || currentDate.getMonth() !== currentMonth.getMonth()];
+        [dayTile setDisabled:![self isEnabled] || currentDate.getMonth() !== currentMonth.getMonth() || currentDate < [_datePicker minDate] || currentDate > [_datePicker maxDate]];
         [dayTile setHighlighted:isPresentMonth && currentDate.getDate() == now.getDate()];
     }
 
@@ -845,26 +899,62 @@ var CPShortWeekDayNameArrayEn = [@"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa", @"Su"
     _indexDayTile = -1;
     _eventDragged = nil
 
+    _datePicker._invokedByUserEvent = YES;
+
     // Check if we have to change or not the month of the component
     if ([dayTile date].getMonth() == _date.getMonth())
     {
-        var minDate = [[_datePicker minDate] copy],
-            maxDate = [[_datePicker maxDate] copy];
+        if ([_datePicker datePickerMode] == CPRangeDateMode && [anEvent modifierFlags] & CPShiftKeyMask)
+        {
+            var dateValueAtMidnight = [[_datePicker dateValue] copy];
 
-        [minDate _resetToMidnight];
-        [maxDate _resetToLastSeconds];
+            [dateValueAtMidnight _resetToMidnight];
 
-        if (dateTile >= minDate && dateTile <= maxDate)
-            [_datePicker _setDateValue:[self _hoursMinutesSecondsFromDatePickerForDate:dateTile] timeInterval:0];
+            if (dateTile < dateValueAtMidnight)
+            {
+                var interval;
+
+                if (dateTile == dateValueAtMidnight)
+                    interval = [_datePicker timeInterval];
+                else
+                    interval = ([dateValueAtMidnight timeIntervalSinceDate:dateTile] + [_datePicker timeInterval]);
+
+                [_datePicker _setDateValue:[self _hoursMinutesSecondsFromDatePickerForDate:dateTile] timeInterval:interval];
+            }
+            else if ([[dayTile date] isEqualToDate:dateValueAtMidnight])
+            {
+                [_datePicker _setDateValue:[self _hoursMinutesSecondsFromDatePickerForDate:dateTile] timeInterval:0];
+            }
+            else
+            {
+                [_datePicker _setDateValue:[self _hoursMinutesSecondsFromDatePickerForDate:[dateValueAtMidnight copy]] timeInterval:([dateTile timeIntervalSinceDate:dateValueAtMidnight])];
+            }
+
+            // Be sure to display the good month
+            [_delegate setDateValue:dateTile];
+        }
+        else
+        {
+            var minDate = [[_datePicker minDate] copy],
+                maxDate = [[_datePicker maxDate] copy];
+
+            [minDate _resetToMidnight];
+            [maxDate _resetToLastSeconds];
+
+            if (dateTile >= minDate && dateTile <= maxDate)
+                [_datePicker _setDateValue:[self _hoursMinutesSecondsFromDatePickerForDate:dateTile] timeInterval:0];
+        }
     }
     else
     {
         // Check the year and the month. The year is usefull when changing from Jan to Dec.
         if (_date.getMonth() - [dayTile date].getMonth() == 1 || _date.getFullYear() - [dayTile date].getFullYear() == 1)
-            [_delegate _previousMonth:self];
+            [_delegate _displayPreviousMonth];
         else
-            [_delegate _nextMonth:self];
+            [_delegate _displayNextMonth];
     }
+
+    _datePicker._invokedByUserEvent = NO;
 }
 
 /*! Mouse dragged event
@@ -882,6 +972,8 @@ var CPShortWeekDayNameArrayEn = [@"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa", @"Su"
     _indexDayTile = [self indexOfTileForEvent:anEvent];
     _eventDragged = anEvent;
 
+    _datePicker._invokedByUserEvent = YES;
+
     if ([_datePicker datePickerMode] == CPSingleDateMode)
     {
         // Check if we have to change or not the month of the component
@@ -899,9 +991,9 @@ var CPShortWeekDayNameArrayEn = [@"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa", @"Su"
 
             // Check the year and the month. The year is usefull when changing from Jan to Dec.
             if (_date.getMonth() - [dayTile date].getMonth() == 1 || _date.getFullYear() - [dayTile date].getFullYear() == 1)
-                [_delegate _previousMonth:self];
+                [_delegate _displayPreviousMonth];
             else
-                [_delegate _nextMonth:self];
+                [_delegate _displayNextMonth];
         }
     }
     else
@@ -923,6 +1015,8 @@ var CPShortWeekDayNameArrayEn = [@"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa", @"Su"
                 [_datePicker _setDateValue:[self _hoursMinutesSecondsFromDatePickerForDate:_clickDate] timeInterval:[dateTile timeIntervalSinceDate:dateValueAtMidnight]];
         }
     }
+
+    _datePicker._invokedByUserEvent = NO;
 }
 
 - (void)mouseUp:(CPEvent)anEvent
@@ -944,7 +1038,7 @@ var CPShortWeekDayNameArrayEn = [@"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa", @"Su"
     if (_isMonthJustChanged)
     {
         _dragDate.setMonth(_date.getMonth() + 1);
-        [_delegate _nextMonth:self];
+        [_delegate _displayNextMonth];
     }
 }
 
@@ -953,7 +1047,7 @@ var CPShortWeekDayNameArrayEn = [@"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa", @"Su"
     if (_isMonthJustChanged)
     {
         _dragDate.setMonth(_date.getMonth() - 1);
-        [_delegate _previousMonth:self];
+        [_delegate _displayPreviousMonth];
     }
 }
 
@@ -1020,30 +1114,30 @@ var CPShortWeekDayNameArrayEn = [@"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa", @"Su"
         [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-shadow-color" inState:CPThemeStateDisabled] forThemeAttribute:@"text-shadow-color" inState:CPThemeStateDisabled];
         [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-shadow-offset" inState:CPThemeStateDisabled] forThemeAttribute:@"text-shadow-offset" inState:CPThemeStateDisabled];
 
-        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-font" inState:CPThemeStateDisabled | CPThemeStateSelected] forThemeAttribute:@"font" inState:CPThemeStateDisabled | CPThemeStateSelected];
-        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-color" inState:CPThemeStateDisabled | CPThemeStateSelected] forThemeAttribute:@"text-color" inState:CPThemeStateDisabled | CPThemeStateSelected];
-        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-shadow-color" inState:CPThemeStateDisabled | CPThemeStateSelected] forThemeAttribute:@"text-shadow-color" inState:CPThemeStateDisabled | CPThemeStateSelected];
-        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-shadow-offset" inState:CPThemeStateDisabled | CPThemeStateSelected] forThemeAttribute:@"text-shadow-offset" inState:CPThemeStateDisabled | CPThemeStateSelected];
+        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-font" inStates:[CPThemeStateDisabled, CPThemeStateSelected]] forThemeAttribute:@"font" inStates:[CPThemeStateDisabled, CPThemeStateSelected]];
+        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-color" inStates:[CPThemeStateDisabled, CPThemeStateSelected]]forThemeAttribute:@"text-color" inStates:[CPThemeStateDisabled, CPThemeStateSelected]];
+        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-shadow-color" inStates:[CPThemeStateDisabled, CPThemeStateSelected]] forThemeAttribute:@"text-shadow-color" inStates:[CPThemeStateDisabled, CPThemeStateSelected]];
+        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-shadow-offset" inStates:[CPThemeStateDisabled, CPThemeStateSelected]] forThemeAttribute:@"text-shadow-offset" inStates:[CPThemeStateDisabled, CPThemeStateSelected]];
 
         [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-font" inState:CPThemeStateHighlighted] forThemeAttribute:@"font" inState:CPThemeStateHighlighted];
         [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-color" inState:CPThemeStateHighlighted] forThemeAttribute:@"text-color" inState:CPThemeStateHighlighted];
         [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-shadow-color" inState:CPThemeStateHighlighted] forThemeAttribute:@"text-shadow-color" inState:CPThemeStateHighlighted];
         [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-shadow-offset" inState:CPThemeStateHighlighted] forThemeAttribute:@"text-shadow-offset" inState:CPThemeStateHighlighted];
 
-        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-font" inState:CPThemeStateHighlighted | CPThemeStateSelected] forThemeAttribute:@"font" inState:CPThemeStateHighlighted | CPThemeStateSelected];
-        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-color" inState:CPThemeStateHighlighted | CPThemeStateSelected] forThemeAttribute:@"text-color" inState:CPThemeStateHighlighted | CPThemeStateSelected];
-        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-shadow-color" inState:CPThemeStateHighlighted | CPThemeStateSelected] forThemeAttribute:@"text-shadow-color" inState:CPThemeStateHighlighted | CPThemeStateSelected];
-        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-shadow-offset" inState:CPThemeStateHighlighted | CPThemeStateSelected] forThemeAttribute:@"text-shadow-offset" inState:CPThemeStateHighlighted | CPThemeStateSelected];
+        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-font" inStates:[CPThemeStateHighlighted, CPThemeStateSelected]] forThemeAttribute:@"font" inStates:[CPThemeStateHighlighted, CPThemeStateSelected]];
+        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-color" inStates:[CPThemeStateHighlighted, CPThemeStateSelected]] forThemeAttribute:@"text-color" inStates:[CPThemeStateHighlighted, CPThemeStateSelected]];
+        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-shadow-color" inStates:[CPThemeStateHighlighted, CPThemeStateSelected]] forThemeAttribute:@"text-shadow-color" inStates:[CPThemeStateHighlighted, CPThemeStateSelected]];
+        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-shadow-offset" inStates:[CPThemeStateHighlighted, CPThemeStateSelected]] forThemeAttribute:@"text-shadow-offset" inStates:[CPThemeStateHighlighted, CPThemeStateSelected]];
 
-        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-font" inState: CPThemeStateDisabled | CPThemeStateHighlighted | CPThemeStateSelected] forThemeAttribute:@"font" inState: CPThemeStateDisabled | CPThemeStateHighlighted | CPThemeStateSelected];
-        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-color" inState: CPThemeStateDisabled | CPThemeStateHighlighted | CPThemeStateSelected] forThemeAttribute:@"text-color" inState: CPThemeStateDisabled | CPThemeStateHighlighted | CPThemeStateSelected];
-        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-shadow-color" inState: CPThemeStateDisabled | CPThemeStateHighlighted | CPThemeStateSelected] forThemeAttribute:@"text-shadow-color" inState: CPThemeStateDisabled | CPThemeStateHighlighted | CPThemeStateSelected];
-        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-shadow-offset" inState: CPThemeStateDisabled | CPThemeStateHighlighted | CPThemeStateSelected] forThemeAttribute:@"text-shadow-offset" inState: CPThemeStateDisabled | CPThemeStateHighlighted | CPThemeStateSelected];
+        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-font" inStates:[CPThemeStateDisabled, CPThemeStateHighlighted, CPThemeStateSelected]] forThemeAttribute:@"font" inStates:[CPThemeStateDisabled, CPThemeStateHighlighted, CPThemeStateSelected]];
+        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-color" inStates:[CPThemeStateDisabled, CPThemeStateHighlighted, CPThemeStateSelected]] forThemeAttribute:@"text-color" inStates:[CPThemeStateDisabled, CPThemeStateHighlighted, CPThemeStateSelected]];
+        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-shadow-color" inStates:[CPThemeStateDisabled, CPThemeStateHighlighted, CPThemeStateSelected]] forThemeAttribute:@"text-shadow-color" inStates:[CPThemeStateDisabled, CPThemeStateHighlighted, CPThemeStateSelected]];
+        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-shadow-offset" inStates:[CPThemeStateDisabled, CPThemeStateHighlighted, CPThemeStateSelected]] forThemeAttribute:@"text-shadow-offset" inStates:[CPThemeStateDisabled, CPThemeStateHighlighted, CPThemeStateSelected]];
 
-        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-font" inState: CPThemeStateDisabled | CPThemeStateHighlighted ] forThemeAttribute:@"font" inState: CPThemeStateDisabled | CPThemeStateHighlighted ];
-        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-color" inState: CPThemeStateDisabled | CPThemeStateHighlighted ] forThemeAttribute:@"text-color" inState: CPThemeStateDisabled | CPThemeStateHighlighted ];
-        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-shadow-color" inState: CPThemeStateDisabled | CPThemeStateHighlighted ] forThemeAttribute:@"text-shadow-color" inState: CPThemeStateDisabled | CPThemeStateHighlighted ];
-        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-shadow-offset" inState: CPThemeStateDisabled | CPThemeStateHighlighted ] forThemeAttribute:@"text-shadow-offset" inState: CPThemeStateDisabled | CPThemeStateHighlighted];
+        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-font" inStates:[CPThemeStateDisabled, CPThemeStateHighlighted]] forThemeAttribute:@"font" inStates:[CPThemeStateDisabled, CPThemeStateHighlighted]];
+        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-color" inStates:[CPThemeStateDisabled, CPThemeStateHighlighted]] forThemeAttribute:@"text-color" inStates:[CPThemeStateDisabled, CPThemeStateHighlighted]];
+        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-shadow-color" inStates:[CPThemeStateDisabled, CPThemeStateHighlighted]] forThemeAttribute:@"text-shadow-color" inStates:[CPThemeStateDisabled, CPThemeStateHighlighted]];
+        [_textField setValue:[_datePicker valueForThemeAttribute:@"tile-text-shadow-offset" inStates:[CPThemeStateDisabled, CPThemeStateHighlighted]] forThemeAttribute:@"text-shadow-offset" inStates:[CPThemeStateDisabled, CPThemeStateHighlighted]];
 
         [self addSubview:_textField];
 
@@ -1059,7 +1153,7 @@ var CPShortWeekDayNameArrayEn = [@"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa", @"Su"
 
 /*! Set a theme
 */
-- (BOOL)setThemeState:(CPThemeState)aState
+- (BOOL)setThemeState:(ThemeState)aState
 {
     [_textField setThemeState:aState];
     [super setThemeState:aState];
@@ -1067,7 +1161,7 @@ var CPShortWeekDayNameArrayEn = [@"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa", @"Su"
 
 /*! Unset a theme
 */
-- (BOOL)unsetThemeState:(CPThemeState)aState
+- (BOOL)unsetThemeState:(ThemeState)aState
 {
     [_textField unsetThemeState:aState];
     [super unsetThemeState:aState];
@@ -1156,7 +1250,7 @@ var CPShortWeekDayNameArrayEn = [@"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa", @"Su"
     var themeState = [self themeState],
         context = [[CPGraphicsContext currentContext] graphicsPort];
 
-    if (themeState & CPThemeStateSelected)
+    if (themeState.hasThemeState(CPThemeStateSelected))
     {
         [self setBackgroundColor:[_datePicker valueForThemeAttribute:@"bezel-color-calendar" inState:themeState]];
         CGContextSetLineWidth(context, [_datePicker valueForThemeAttribute:@"border-width"]);
@@ -1175,19 +1269,11 @@ var CPShortWeekDayNameArrayEn = [@"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa", @"Su"
 @end
 
 
-@implementation _DatePickerBox : CPView
+@implementation _CPDatePickerBox : CPView
 {
     CPDatePicker _datePicker @accessors(property=datePicker);
 }
 
-- (id)init
-{
-    if (self = [super init])
-    {
-    }
-    return self;
-}
-
 - (void)drawRect:(CGRect)aRect
 {
     [super drawRect:aRect];
@@ -1201,10 +1287,10 @@ var CPShortWeekDayNameArrayEn = [@"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa", @"Su"
         CGContextSetStrokeColor(context, [_datePicker valueForThemeAttribute:@"border-color" inState:[_datePicker themeState]]);
         CGContextSetLineWidth(context,  [_datePicker valueForThemeAttribute:@"border-width"]);
 
-        CGContextMoveToPoint(context, borderWidth,borderWidth);
-        CGContextAddLineToPoint(context, aRect.size.width - borderWidth,borderWidth);
-        CGContextAddLineToPoint(context, aRect.size.width - borderWidth,aRect.size.height - borderWidth);
-        CGContextAddLineToPoint(context, borderWidth,aRect.size.height - borderWidth);
+        CGContextMoveToPoint(context, borderWidth, borderWidth);
+        CGContextAddLineToPoint(context, aRect.size.width - borderWidth, borderWidth);
+        CGContextAddLineToPoint(context, aRect.size.width - borderWidth, aRect.size.height - borderWidth);
+        CGContextAddLineToPoint(context, borderWidth, aRect.size.height - borderWidth);
         CGContextAddLineToPoint(context, borderWidth,borderWidth);
 
         CGContextStrokePath(context);
@@ -1223,5 +1309,4 @@ var CPShortWeekDayNameArrayEn = [@"Mo", @"Tu", @"We", @"Th", @"Fr", @"Sa", @"Su"
         [self setBackgroundColor:[CPColor clearColor]];
 }
 
-
 @end

AppKit/CPDatePicker/_CPDatePickerClock.j

@@ -25,7 +25,6 @@
 @import "CPImageView.j"
 @import "CALayer.j"
 
-
 @class _CPCibCustomResource
 @class CPDatePicker
 
@@ -140,7 +139,7 @@ var RADIANS = Math.PI / 180;
     [_minuteHandLayer setImage:[_datePicker currentValueForThemeAttribute:@"minute-hand-image"]];
     [_secondHandLayer setImage:[_datePicker currentValueForThemeAttribute:@"second-hand-image"]];
 
-    if ([_datePicker _isEnglishFormat])
+    if ([_datePicker _isAmericanFormat])
     {
         if (dateValue.getHours() > 11)
             [_PMAMTextField setStringValue:@"PM"]

AppKit/CPDocument.j

@@ -515,7 +515,9 @@ var CPDocumentUntitledCount = 0;
 
         alert("There was an error retrieving the document.");
 
-        objj_msgSend(session.delegate, session.didReadSelector, self, NO, session.contextInfo);
+        var theDelegate = session.delegate;
+
+        theDelegate.isa.objj_msgSend3(theDelegate, session.didReadSelector, self, NO, session.contextInfo);
     }
     else
     {
@@ -540,7 +542,9 @@ var CPDocumentUntitledCount = 0;
 
                 _writeRequest = nil;
 
-                objj_msgSend(session.delegate, session.didSaveSelector, self, NO, session.contextInfo);
+                var theDelegate = session.delegate;
+
+                theDelegate.isa.objj_msgSend3(theDelegate, session.didSaveSelector, self, NO, session.contextInfo);
                 [self _sendDocumentSavedNotification:NO];
             }
         }
@@ -553,14 +557,15 @@ var CPDocumentUntitledCount = 0;
 */
 - (void)connection:(CPURLConnection)aConnection didReceiveData:(CPString)aData
 {
-    var session = aConnection.session;
+    var session = aConnection.session,
+        theDelegate = session.delegate;
 
     // READ
     if (aConnection == _readConnection)
     {
         [self readFromData:[CPData dataWithRawString:aData] ofType:session.fileType error:nil];
 
-        objj_msgSend(session.delegate, session.didReadSelector, self, YES, session.contextInfo);
+        theDelegate.isa.objj_msgSend3(theDelegate, session.didReadSelector, self, YES, session.contextInfo);
     }
     else
     {
@@ -569,7 +574,7 @@ var CPDocumentUntitledCount = 0;
 
         _writeRequest = nil;
 
-        objj_msgSend(session.delegate, session.didSaveSelector, self, YES, session.contextInfo);
+        theDelegate.isa.objj_msgSend3(theDelegate, session.didSaveSelector, self, YES, session.contextInfo);
         [self _sendDocumentSavedNotification:YES];
     }
 }
@@ -580,10 +585,11 @@ var CPDocumentUntitledCount = 0;
 */
 - (void)connection:(CPURLConnection)aConnection didFailWithError:(CPError)anError
 {
-    var session = aConnection.session;
+    var session = aConnection.session,
+        theDelegate = session.delegate;
 
     if (_readConnection == aConnection)
-        objj_msgSend(session.delegate, session.didReadSelector, self, NO, session.contextInfo);
+        theDelegate.isa.objj_msgSend3(theDelegate, session.didReadSelector, self, NO, session.contextInfo);
 
     else
     {
@@ -597,7 +603,7 @@ var CPDocumentUntitledCount = 0;
 
         alert("There was an error saving the document.");
 
-        objj_msgSend(session.delegate, session.didSaveSelector, self, NO, session.contextInfo);
+        theDelegate.isa.objj_msgSend3(theDelegate, session.didSaveSelector, self, NO, session.contextInfo);
         [self _sendDocumentSavedNotification:NO];
     }
 }
@@ -858,21 +864,24 @@ var CPDocumentUntitledCount = 0;
         [self canCloseDocumentWithDelegate:self shouldCloseSelector:@selector(_document:shouldClose:context:) contextInfo:{delegate:delegate, selector:selector, context:info}];
 
     else if ([delegate respondsToSelector:selector])
-        objj_msgSend(delegate, selector, self, YES, info);
+        delegate.isa.objj_msgSend3(delegate, selector, self, YES, info);
 }
 
 - (void)_document:(CPDocument)aDocument shouldClose:(BOOL)shouldClose context:(Object)context
 {
+    var theDelegate = context.delegate;
+
     if (aDocument === self && shouldClose)
         [self close];
 
-    objj_msgSend(context.delegate, context.selector, aDocument, shouldClose, context.context);
+    if (theDelegate != null)
+        theDelegate.isa.objj_msgSend3(theDelegate, context.selector, aDocument, shouldClose, context.context);
 }
 
 - (void)canCloseDocumentWithDelegate:(id)aDelegate shouldCloseSelector:(SEL)aSelector contextInfo:(Object)context
 {
     if (![self isDocumentEdited])
-        return [aDelegate respondsToSelector:aSelector] && objj_msgSend(aDelegate, aSelector, self, YES, context);
+        return [aDelegate respondsToSelector:aSelector] && aDelegate.isa.objj_msgSend3(aDelegate, aSelector, self, YES, context);
 
     _canCloseAlert = [[CPAlert alloc] init];
 
@@ -901,8 +910,8 @@ var CPDocumentUntitledCount = 0;
 
     if (returnCode === 0)
         [self saveDocumentWithDelegate:delegate didSaveSelector:selector contextInfo:context];
-    else
-        objj_msgSend(delegate, selector, self, returnCode === 2, context);
+    else if (delegate != null)
+        delegate.isa.objj_msgSend3(delegate, selector, self, returnCode === 2, context);
 
     _canCloseAlert = nil;
 }

AppKit/CPDocumentController.j

@@ -402,8 +402,10 @@ var CPSharedDocumentController = nil;
         }
     }
 
-    if ([context.delegate respondsToSelector:context.selector])
-        objj_msgSend(context.delegate, context.selector, self, [[self documents] count] === 0, context.context);
+    var theDelegate = context.delegate;
+
+    if ([theDelegate respondsToSelector:context.selector])
+        theDelegate.isa.objj_msgSend3(theDelegate, context.selector, self, [[self documents] count] === 0, context.context);
 }
 
 @end

AppKit/CPDragServer_Constants.j

@@ -20,6 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+@typedef CPDragOperation
 CPDragOperationNone     = 0;
 CPDragOperationCopy     = 1 << 1;
 CPDragOperationLink     = 1 << 1;

AppKit/CPEvent.j

@@ -29,11 +29,18 @@
 @import "CPCompatibility.j"
 @import "CGGeometry.j"
 @import "CPText.j"
+@import "CPTrackingArea.j"
 
 @class CPTextField
+@class CPWindow
+@class CPGraphicsContext
 
 @global CPApp
 
+@typedef DOMEvent
+@typedef CPEventType
+
+
 var _CPEventPeriodicEventPeriod         = 0,
     _CPEventPeriodicEventTimer          = nil,
     _CPEventUpperCaseRegex              = new RegExp("[A-Z]"),
@@ -68,11 +75,16 @@ var _CPEventPeriodicEventPeriod         = 0,
     float               _deltaX;
     float               _deltaY;
     float               _deltaZ;
+    float               _scrollingDeltaX;
+    float               _scrollingDeltaY;
+    BOOL                _hasPreciseScrollingDeltas;
 
 #if PLATFORM(DOM)
     BOOL                _suppressCappuccinoCut;
     BOOL                _suppressCappuccinoPaste;
 #endif
+    
+    CPTrackingArea      _trackingArea;
 }
 
 /*!
@@ -132,6 +144,27 @@ var _CPEventPeriodicEventPeriod         = 0,
         timestamp:aTimestamp windowNumber:aWindowNumber context:aGraphicsContext eventNumber:anEventNumber clickCount:aClickCount pressure:aPressure];
 }
 
+/*!
+    Creates a new mouse tracking event.
+ 
+    @param anEventType the event type
+    @param aPoint the location of the cursor in the window specified by \c aWindowNumber
+    @param modifierFlags a bitwise combination of the modifiers specified in the CPEvent globals
+    @param aTimestamp the time the event occurred
+    @param aWindowNumber the number of the CPWindow where the event occurred
+    @param aGraphicsContext the graphics context where the event occurred
+    @param anEventNumber a number for this event
+    @param aTrackingArea the tracking area that triggered the event
+    @throws CPInternalInconsistencyException if an invalid event type is provided
+    @return the new mouse event
+ */
++ (id)enterExitEventWithType:(CPEventType)anEventType location:(CGPoint)aPoint modifierFlags:(unsigned)modifierFlags
+               timestamp:(CPTimeInterval)aTimestamp windowNumber:(int)aWindowNumber context:(CPGraphicsContext)aGraphicsContext
+             eventNumber:(int)anEventNumber trackingArea:(CPTrackingArea)aTrackingArea
+{
+    return [[self alloc] _initEnterExitEventWithType:anEventType location:aPoint modifierFlags:modifierFlags timestamp:aTimestamp windowNumber:aWindowNumber context:aGraphicsContext eventNumber:anEventNumber trackingArea:aTrackingArea];
+}
+
 /*!
     Creates a new custom event.
 
@@ -163,7 +196,9 @@ var _CPEventPeriodicEventPeriod         = 0,
 
         // Make sure these are 0 rather than nil.
         _deltaX = 0;
+        _scrollingDeltaX = 0;
         _deltaY = 0;
+        _scrollingDeltaY = 0;
         _deltaZ = 0;
     }
 
@@ -190,6 +225,28 @@ var _CPEventPeriodicEventPeriod         = 0,
     return self;
 }
 
+/* @ignore */
+- (id)_initEnterExitEventWithType:(CPEventType)anEventType location:(CGPoint)aPoint modifierFlags:(unsigned)modifierFlags
+                        timestamp:(CPTimeInterval)aTimestamp windowNumber:(int)aWindowNumber context:(CPGraphicsContext)aGraphicsContext
+                      eventNumber:(int)anEventNumber trackingArea:(CPTrackingArea)aTrackingArea
+{
+    if ((anEventType != CPMouseEntered) && (anEventType != CPMouseExited) && (anEventType != CPCursorUpdate))
+        [CPException raise:CPInternalInconsistencyException reason:"Invalid event type"];
+  
+    if (self = [self _initWithType:anEventType])
+    {
+        _location = CGPointCreateCopy(aPoint);
+        _modifierFlags = modifierFlags;
+        _timestamp = aTimestamp;
+        _context = aGraphicsContext;
+        _eventNumber = anEventNumber;
+        _trackingArea = aTrackingArea;
+        _window = [CPApp windowWithWindowNumber:aWindowNumber];
+    }
+    
+    return self;
+}
+
 /* @ignore */
 - (id)_initKeyEventWithType:(CPEventType)anEventType location:(CGPoint)aPoint modifierFlags:(unsigned int)modifierFlags
     timestamp:(CPTimeInterval)aTimestamp windowNumber:(int)aWindowNumber context:(CPGraphicsContext)aGraphicsContext
@@ -225,6 +282,7 @@ var _CPEventPeriodicEventPeriod         = 0,
         _subtype = aSubtype;
         _data1 = aData1;
         _data2 = aData2;
+        _windowNumber = aWindowNumber;
     }
 
     return self;
@@ -417,6 +475,31 @@ var _CPEventPeriodicEventPeriod         = 0,
     return _deltaZ;
 }
 
+- (BOOL)hasPreciseScrollingDeltas
+{
+    return !!_hasPreciseScrollingDeltas;
+}
+
+/*!
+    Returns the change in points on the x-axis for a mouse movement, unless hasPreciseScrollingDeltas is NO,
+    in which case the change is measured in number of "lines" or "rows" and needs to be multiplied as appropriate
+    to get change in pixels.
+*/
+- (float)scrollingDeltaX
+{
+    return _scrollingDeltaX;
+}
+
+/*!
+    Returns the change in points on the y-axis for a mouse movement, unless hasPreciseScrollingDeltas is NO,
+    in which case the change is measured in number of "lines" or "columns" and needs to be multiplied as appropriate
+    to get change in pixels.
+*/
+- (float)scrollingDeltaY
+{
+    return _scrollingDeltaY;
+}
+
 - (BOOL)_triggersKeyEquivalent:(CPString)aKeyEquivalent withModifierMask:aKeyEquivalentModifierMask
 {
     if (!aKeyEquivalent)
@@ -546,6 +629,14 @@ var _CPEventPeriodicEventPeriod         = 0,
     }
 }
 
+- (CPTrackingArea)trackingArea
+{
+    if ((_type !== CPMouseEntered) && (_type !== CPMouseExited) && (_type !== CPCursorUpdate))
+        [CPException raise:CPInternalInconsistencyException format:@"You can't call trackingArea for events of type %#x", _type]
+    
+    return _trackingArea;
+}
+
 @end
 
 function _CPEventFirePeriodEvent()

AppKit/CPFont.j

@@ -174,20 +174,20 @@ following:
     return _CPFontSystemFontSize;
 }
 
-+ (float)systemFontSizeForControlSize:(CPControlSize)aSize
++ (CPFont)systemFontForControlSize:(CPControlSize)aSize
 {
     // TODO These sizes should be themable or made less arbitrary in some other way.
     switch (aSize)
     {
         case CPSmallControlSize:
-            return _CPFontSystemFontSize - 1;
+            return [self systemFontOfSize:_CPFontSystemFontSize - 1];
 
         case CPMiniControlSize:
-            return _CPFontSystemFontSize - 2;
+            return [self systemFontOfSize:_CPFontSystemFontSize - 2];
 
         case CPRegularControlSize:
         default:
-            return _CPFontSystemFontSize;
+            return [self systemFontOfSize:_CPFontSystemFontSize];
     }
 }
 

AppKit/CPGradient.j

@@ -70,11 +70,12 @@ CPGradientDrawsAfterEndingLocation      = kCGGradientDrawsAfterEndLocation;
 {
     if (self = [super init])
     {
-        var cgColors = [],
-            count = [someColors count],
-            colorSpace = [aColorSpace CGColorSpace] || CGColorSpaceCreateDeviceRGB;
-        for (var i = 0; i < count; i++)
-            cgColors.push(CGColorCreate(colorSpace, [someColors[i] components]));
+        var colorSpace = [aColorSpace CGColorSpace] || CGColorSpaceCreateDeviceRGB,
+            cgColors = [someColors arrayByApplyingBlock:function(color)
+            {
+                return CGColorCreate(colorSpace, [color components])
+            }];
+
         _gradient = CGGradientCreateWithColors(colorSpace, cgColors, someLocations);
     }
 

AppKit/CPGraphics.j

@@ -43,10 +43,10 @@ function CPDrawTiledRects(
     if (sides.length != grays.length)
         [CPException raise:CPInvalidArgumentException reason:@"sides (length: " + sides.length + ") and grays (length: " + grays.length + ") must have the same length."];
 
-    var colors = [];
-
-    for (var i = 0; i < grays.length; ++i)
-        colors.push([CPColor colorWithCalibratedWhite:grays[i] alpha:1.0]);
+    var colors = [grays arrayByApplyingBlock:function(gray)
+    {
+        return [CPColor colorWithCalibratedWhite:gray alpha:1.0];
+    }];
 
     return CPDrawColorTiledRects(boundsRect, clipRect, sides, colors);
 }

AppKit/CPImage.j

@@ -30,6 +30,20 @@
 @import "CGGeometry.j"
 @import "CPCompatibility.j"
 
+
+@protocol CPImageDelegate <CPObject>
+
+@optional
+- (void)imageDidLoad:(CPImage)anImage;
+- (void)imageDidError:(CPImage)anImage;
+- (void)imageDidAbort:(CPImage)anImage;
+
+@end
+
+var CPImageDelegate_imageDidLoad_   = 1 << 1,
+    CPImageDelegate_imageDidError_  = 1 << 2,
+    CPImageDelegate_imageDidAbort_  = 1 << 3;
+
 CPImageLoadStatusInitialized    = 0;
 CPImageLoadStatusLoading        = 1;
 CPImageLoadStatusCompleted      = 2;
@@ -119,14 +133,15 @@ function CPAppKitImage(aFilename, aSize)
 */
 @implementation CPImage : CPObject
 {
-    CGSize      _size;
-    CPString    _filename;
-    CPString    _name;
+    CGSize                  _size;
+    CPString                _filename;
+    CPString                _name;
 
-    id          _delegate;
-    unsigned    _loadStatus;
+    id <CPImageDelegate>    _delegate;
+    unsigned                _loadStatus;
+    unsigned                _implementedDelegateMethods;
 
-    Image       _image;
+    Image                   _image;
 }
 
 - (id)init
@@ -260,7 +275,7 @@ function CPAppKitImage(aFilename, aSize)
 */
 - (CGSize)size
 {
-    return _size;
+    return CGSizeMakeCopy(_size);
 }
 
 + (id)imageNamed:(CPString)aName
@@ -319,9 +334,22 @@ function CPAppKitImage(aFilename, aSize)
     Sets the receiver's delegate.
     @param the delegate
 */
-- (void)setDelegate:(id)aDelegate
+- (void)setDelegate:(id <CPImageDelegate>)aDelegate
 {
+    if (_delegate === aDelegate)
+        return;
+
     _delegate = aDelegate;
+    _implementedDelegateMethods = 0;
+
+    if ([_delegate respondsToSelector:@selector(imageDidLoad:)])
+        _implementedDelegateMethods |= CPImageDelegate_imageDidLoad_;
+
+    if ([_delegate respondsToSelector:@selector(imageDidError:)])
+        _implementedDelegateMethods |= CPImageDelegate_imageDidError_;
+
+    if ([_delegate respondsToSelector:@selector(imageDidAbort:)])
+        _implementedDelegateMethods |= CPImageDelegate_imageDidAbort_;
 }
 
 /*!
@@ -457,7 +485,7 @@ function CPAppKitImage(aFilename, aSize)
         postNotificationName:CPImageDidLoadNotification
         object:self];
 
-    if ([_delegate respondsToSelector:@selector(imageDidLoad:)])
+    if (_implementedDelegateMethods & CPImageDelegate_imageDidLoad_)
         [_delegate imageDidLoad:self];
 }
 
@@ -466,7 +494,7 @@ function CPAppKitImage(aFilename, aSize)
 {
     _loadStatus = CPImageLoadStatusReadError;
 
-    if ([_delegate respondsToSelector:@selector(imageDidError:)])
+    if (_implementedDelegateMethods & CPImageDelegate_imageDidError_)
         [_delegate imageDidError:self];
 }
 
@@ -475,7 +503,7 @@ function CPAppKitImage(aFilename, aSize)
 {
     _loadStatus = CPImageLoadStatusCancelled;
 
-    if ([_delegate respondsToSelector:@selector(imageDidAbort:)])
+    if (_implementedDelegateMethods & CPImageDelegate_imageDidAbort_)
         [_delegate imageDidAbort:self];
 }
 

AppKit/CPImageView.j

@@ -29,6 +29,7 @@
 @global CPImagesPboardType
 @global appkit_tag_dom_elements
 
+@typedef CPImageAlignment
 CPImageAlignCenter      = 0;
 CPImageAlignTop         = 1;
 CPImageAlignTopLeft     = 2;
@@ -178,6 +179,7 @@ var CPImageViewEmptyPlaceholderImage = nil;
 
 - (void)imageDidLoad:(CPNotification)aNotification
 {
+    [[CPNotificationCenter defaultCenter] removeObserver:self name:CPImageDidLoadNotification object:[self objectValue]];
     [self hideOrDisplayContents];
 
     [self setNeedsLayout];

AppKit/CPKeyValueBinding.j

@@ -35,6 +35,7 @@
 var exposedBindingsMap = @{},
     bindingsMap = @{};
 
+@typedef CPBindingOperationKind
 var CPBindingOperationAnd = 0,
     CPBindingOperationOr  = 1;
 
@@ -70,6 +71,20 @@ var CPBindingOperationAnd = 0,
     return [[bindingsMap objectForKey:[anObject UID]] objectForKey:aBinding];
 }
 
++ (void)_reverseSetValueFromExclusiveBinderForObject:(id)anObject
+{
+    var bindersByBindingName = [bindingsMap objectForKey:[anObject UID]];
+
+    [bindersByBindingName enumerateKeysAndObjectsUsingBlock:function(binding, binder, stop)
+    {
+        if ([binder isKindOfClass:[self class]])
+        {
+            [binder reverseSetValueFor:binding];
+            stop(YES);
+        }
+    }];
+}
+
 + (CPDictionary)infoForBinding:(CPString)aBinding forObject:(id)anObject
 {
     var theBinding = [self getBinding:aBinding forObject:anObject];
@@ -116,7 +131,7 @@ var CPBindingOperationAnd = 0,
         count = allKeys.length;
 
     while (count--)
-        [anObject unbind:[bindings objectForKey:allKeys[count]]];
+        [anObject unbind:allKeys[count]];
 
     [bindingsMap removeObjectForKey:[anObject UID]];
 }
@@ -142,7 +157,7 @@ var CPBindingOperationAnd = 0,
 
         [self _updatePlaceholdersWithOptions:options forBinding:aName];
 
-        [aDestination addObserver:self forKeyPath:aKeyPath options:CPKeyValueObservingOptionNew context:aBinding];
+        [aDestination addObserver:self forKeyPath:aKeyPath options:0 context:aBinding];
 
         var bindings = [bindingsMap objectForKey:[_source UID]];
 
@@ -159,6 +174,24 @@ var CPBindingOperationAnd = 0,
     return self;
 }
 
++ (BOOL)isBindingAllowed:(CPString)aBinding forObject:(id)anObject
+{
+    if ([[anObject class] isBindingExclusive:aBinding])
+    {
+        var bindingsForObject = [bindingsMap objectForKey:[anObject UID]],
+            allBindings = [bindingsForObject allKeys],
+            count = [allBindings count];
+
+        while (count--)
+        {
+            if ([[anObject class] isBindingExclusive:allBindings[count]])
+                return NO;
+        }
+    }
+
+    return YES;
+}
+
 - (void)raiseIfNotApplicable:(id)aValue forKeyPath:(CPString)keyPath options:(CPDictionary)options
 {
     if (aValue === CPNotApplicableMarker && [options objectForKey:CPRaisesForNotApplicableKeysBindingOption])
@@ -387,6 +420,11 @@ var CPBindingOperationAnd = 0,
     return [CPBinder class];
 }
 
++ (BOOL)isBindingExclusive:(CPString)aBinding
+{
+    return NO;
+}
+
 - (CPArray)exposedBindings
 {
     var exposedBindings = [],
@@ -415,6 +453,11 @@ var CPBindingOperationAnd = 0,
     if (!anObject || !aKeyPath)
         return CPLog.error("Invalid object or path on " + self + " for " + aBinding);
 
+    if (![CPBinder isBindingAllowed:aBinding forObject:self])
+    {
+        CPLog.warn([self description] + " : cannot bind " + aBinding + " because another binding with the same functionality is already in use.");
+        return;
+    }
     //if (![[self exposedBindings] containsObject:aBinding])
     //    CPLog.warn("No binding exposed on " + self + " for " + aBinding);
 

AppKit/CPLevelIndicator.j

@@ -25,11 +25,13 @@
 
 @global CPApp
 
+@typedef CPTickMarkPosition
 CPTickMarkBelow                             = 0;
 CPTickMarkAbove                             = 1;
 CPTickMarkLeft                              = CPTickMarkAbove;
 CPTickMarkRight                             = CPTickMarkBelow;
 
+@typedef CPLevelIndicatorStyle
 CPRelevancyLevelIndicatorStyle              = 0;
 CPContinuousCapacityLevelIndicatorStyle     = 1;
 CPDiscreteCapacityLevelIndicatorStyle       = 2;
@@ -105,10 +107,21 @@ CPRatingLevelIndicatorStyle                 = 3;
     var filledColor = [self valueForThemeAttribute:@"color-normal"],
         value = [self doubleValue];
 
-    if (value <= _criticalValue)
-        filledColor = [self valueForThemeAttribute:@"color-critical"];
-    else if (value <= _warningValue)
-        filledColor = [self valueForThemeAttribute:@"color-warning"];
+    if (_warningValue < _criticalValue)
+    {
+        if (value >= _criticalValue)
+            filledColor = [self valueForThemeAttribute:@"color-critical"];
+        else if (value >= _warningValue)
+            filledColor = [self valueForThemeAttribute:@"color-warning"];
+    }
+    else
+    {
+        if (value <= _criticalValue)
+            filledColor = [self valueForThemeAttribute:@"color-critical"];
+        else if (value <= _warningValue)
+            filledColor = [self valueForThemeAttribute:@"color-warning"];
+    }
+
 
     for (var i = 0; i < segmentCount; i++)
     {

AppKit/CPMenu/CPMenu.j

@@ -30,6 +30,17 @@
 
 @global CPApp
 
+@protocol CPMenuDelegate <CPObject>
+
+@optional
+- (void)menuWillOpen:(CPMenu)aMenu;
+- (void)menuDidClose:(CPMenu)aMenu;
+
+@end
+
+var CPMenuDelegate_menuWillOpen_ = 1 << 1,
+    CPMenuDelegate_menuDidClose_ = 1 << 2;
+
 CPMenuDidAddItemNotification        = @"CPMenuDidAddItemNotification";
 CPMenuDidChangeItemNotification     = @"CPMenuDidChangeItemNotification";
 CPMenuDidRemoveItemNotification     = @"CPMenuDidRemoveItemNotification";
@@ -50,26 +61,27 @@ var _CPMenuBarVisible               = NO,
 */
 @implementation CPMenu : CPObject
 {
-    CPMenu          _supermenu;
+    CPMenu              _supermenu;
 
-    CPString        _title;
-    CPString        _name;
+    CPString            _title;
+    CPString            _name;
 
-    CPFont          _font;
+    CPFont              _font;
 
-    float           _minimumWidth;
+    float               _minimumWidth;
 
-    CPMutableArray  _items;
+    CPMutableArray      _items;
 
-    BOOL            _autoenablesItems;
-    BOOL            _showsStateColumn;
+    BOOL                _autoenablesItems;
+    BOOL                _showsStateColumn;
 
-    id              _delegate;
+    id <CPMenuDelegate> _delegate;
+    unsigned            _implementedDelegateMethods;
 
-    int             _highlightedIndex;
-    _CPMenuWindow   _menuWindow;
+    int                 _highlightedIndex;
+    _CPMenuWindow       _menuWindow;
 
-    CPEvent         _lastCloseEvent;
+    CPEvent             _lastCloseEvent;
 }
 
 // Managing the Menu Bar
@@ -639,6 +651,7 @@ var _CPMenuBarVisible               = NO,
         if (binder)
         {
             [binder setValueFor:CPEnabledBinding];
+            [[_menuWindow _menuView] tile];
             return;
         }
 
@@ -941,9 +954,19 @@ var _CPMenuBarVisible               = NO,
 
 // Managing the Delegate
 
-- (void)setDelegate:(id)aDelegate
+- (void)setDelegate:(id <CPMenuDelegate>)aDelegate
 {
+    if (_delegate === aDelegate)
+        return;
+
     _delegate = aDelegate;
+    _implementedDelegateMethods = 0;
+
+    if ([_delegate respondsToSelector:@selector(menuWillOpen:)])
+         _implementedDelegateMethods |= CPMenuDelegate_menuWillOpen_;
+
+    if ([_delegate respondsToSelector:@selector(menuDidClose:)])
+        _implementedDelegateMethods |= CPMenuDelegate_menuDidClose_;
 }
 
 - (id)delegate
@@ -953,10 +976,7 @@ var _CPMenuBarVisible               = NO,
 
 - (void)_menuWillOpen
 {
-    var delegate = [self delegate];
-
-    if ([delegate respondsToSelector:@selector(menuWillOpen:)])
-        [delegate menuWillOpen:self];
+    [self _sendDelegateMenuWillOpen];
 }
 
 - (void)_menuDidClose
@@ -965,10 +985,7 @@ var _CPMenuBarVisible               = NO,
     // when a click on the button itself caused the menu to close.
     _lastCloseEvent = [CPApp currentEvent];
 
-    var delegate = [self delegate];
-
-    if ([delegate respondsToSelector:@selector(menuDidClose:)])
-        [delegate menuDidClose:self];
+    [self _sendDelegateMenuDidClose];
 }
 
 // Handling Tracking
@@ -1132,6 +1149,36 @@ var _CPMenuBarVisible               = NO,
 
 @end
 
+
+@implementation CPMenu (CPMenuDelegate)
+
+/*!
+    @ignore
+    Call delegate menuWillOpen
+*/
+- (void)_sendDelegateMenuWillOpen
+{
+    if (!(_implementedDelegateMethods & CPMenuDelegate_menuWillOpen_))
+        return;
+
+    [_delegate menuWillOpen:self];
+}
+
+/*!
+    @ignore
+    Call delegate menuDidClose
+*/
+- (void)_sendDelegateMenuDidClose
+{
+    if (!(_implementedDelegateMethods & CPMenuDelegate_menuDidClose_))
+        return;
+
+    [_delegate menuDidClose:self];
+}
+
+@end
+
+
 @implementation CPMenu (CPKeyValueCoding)
 
 - (CPUInteger)countOfItems

AppKit/CPMenu/_CPMenuBarWindow.j

@@ -24,6 +24,7 @@
 @import "_CPMenuManager.j"
 
 @class _CPMenuView
+@class CPMenu
 
 @global CPMenuDidAddItemNotification
 @global CPMenuDidChangeItemNotification
@@ -31,7 +32,6 @@
 
 @implementation _CPMenuBarWindow : CPPanel
 {
-    CPMenu      _menu;
     CPView      _highlightView;
     CPArray     _menuItemViews;
 

AppKit/CPMenu/_CPMenuWindow.j

@@ -25,6 +25,8 @@
 @import "CPWindow.j"
 @import "_CPMenuManager.j"
 
+@class _CPMenuView
+
 var _CPMenuWindowPool                       = [],
     _CPMenuWindowPoolCapacity               = 5,
 
@@ -410,7 +412,7 @@ _CPMenuWindowAttachedMenuBackgroundStyle    = 2;
 {
     // Don't return indexes of items that aren't visible.
     if (!CGRectContainsPoint([_menuClipView bounds], [_menuClipView convertPoint:aPoint fromView:nil]))
-        return NO;
+        return CPNotFound;
 
     return [_menuView itemIndexAtPoint:[_menuView convertPoint:aPoint fromView:nil]];
 }

AppKit/CPMenuItem/_CPMenuItemMenuBarView.j

@@ -25,6 +25,7 @@
 
 @class _CPMenuBarWindow
 @class _CPMenuView
+@class CPMenuItem
 
 @implementation _CPMenuItemMenuBarView : CPView
 {

AppKit/CPMenuItem/_CPMenuItemStandardView.j

@@ -24,6 +24,9 @@
 @import "CPImageView.j"
 @import "_CPImageAndTextView.j"
 
+@class CPMenuItem
+
+
 @implementation _CPMenuItemStandardView : CPView
 {
     CPMenuItem              _menuItem @accessors(property=menuItem);

AppKit/CPMenuItem/_CPMenuItemView.j

@@ -26,6 +26,7 @@
 @import "_CPMenuItemStandardView.j"
 @import "_CPMenuItemMenuBarView.j"
 
+@class CPMenuItem
 @global CPApp
 
 /*

AppKit/CPObjectController.j

@@ -27,6 +27,9 @@
 @import "CPController.j"
 @import "CPKeyValueBinding.j"
 
+@class _CPManagedProxy
+@class CPPredicate;
+
 /*!
     @class
 
@@ -47,6 +50,9 @@
 
     BOOL            _isEditable;
     BOOL            _automaticallyPreparesContent;
+    BOOL            _usesLazyFetching @accessors(getter=usesLazyFetching, setter=setUsesLazyFetching:);
+    BOOL            _isUsingManagedProxy;
+    _CPManagedProxy _managedProxy;
 
     CPCountedSet    _observedKeys;
 }
@@ -179,6 +185,46 @@
     return _automaticallyPreparesContent;
 }
 
+/*!
+    Sets the entity name the controller handles.
+
+    @param CPString newEntityName - The new entity name.
+*/
+- (void)setEntityName:(CPString)newEntityName
+{
+    [_managedProxy setEntityName:newEntityName];
+}
+
+/*!
+    Returns the entity name.
+
+    @return CPString - The name of the entity.
+*/
+- (CPString)entityName
+{
+    return [_managedProxy entityName];
+}
+
+/*!
+    Sets the predicate used to fetch content.
+
+    @param CPPredicate newPredicate - The fetch predicate.
+*/
+- (void)setFetchPredicate:(CPPredicate)newPredicate
+{
+    [_managedProxy setFetchPredicate:newPredicate];
+}
+
+/*!
+    Returns the fetch predicate.
+
+    @return CPPredicate - The predicate used to fetch content.
+*/
+- (CPPredicate)fetchPredicate
+{
+    return [_managedProxy fetchPredicate];
+}
+
 /*!
     Overridden by a subclass that require control over the creation of new objects.
 */
@@ -189,6 +235,7 @@
 
 /*!
     Sets the object class when creating new objects.
+
     @param Class - the class of new objects that will be created.
 */
 - (void)setObjectClass:(Class)aClass
@@ -363,7 +410,10 @@
 var CPObjectControllerContentKey                        = @"CPObjectControllerContentKey",
     CPObjectControllerObjectClassNameKey                = @"CPObjectControllerObjectClassNameKey",
     CPObjectControllerIsEditableKey                     = @"CPObjectControllerIsEditableKey",
-    CPObjectControllerAutomaticallyPreparesContentKey   = @"CPObjectControllerAutomaticallyPreparesContentKey";
+    CPObjectControllerAutomaticallyPreparesContentKey   = @"CPObjectControllerAutomaticallyPreparesContentKey",
+    CPObjectControllerUsesLazyFetchingKey               = @"CPObjectControllerUsesLazyFetchingKey",
+    CPObjectControllerIsUsingManagedProxyKey            = @"CPObjectControllerIsUsingManagedProxyKey",
+    CPObjectControllerManagedProxyKey                   = @"CPObjectControllerManagedProxyKey";
 
 @implementation CPObjectController (CPCoding)
 
@@ -374,12 +424,18 @@ var CPObjectControllerContentKey                        = @"CPObjectControllerCo
     if (self)
     {
         var objectClassName = [aCoder decodeObjectForKey:CPObjectControllerObjectClassNameKey],
-            objectClass = CPClassFromString(objectClassName);
+            objectClass = CPClassFromString(objectClassName),
+            content = [aCoder decodeObjectForKey:CPObjectControllerContentKey];
 
         [self setObjectClass:objectClass || [CPMutableDictionary class]];
         [self setEditable:[aCoder decodeBoolForKey:CPObjectControllerIsEditableKey]];
         [self setAutomaticallyPreparesContent:[aCoder decodeBoolForKey:CPObjectControllerAutomaticallyPreparesContentKey]];
-        [self setContent:[aCoder decodeObjectForKey:CPObjectControllerContentKey]];
+        [self setUsesLazyFetching:[aCoder decodeBoolForKey:CPObjectControllerUsesLazyFetchingKey]];
+        _isUsingManagedProxy = [aCoder decodeBoolForKey:CPObjectControllerIsUsingManagedProxyKey];
+        _managedProxy = [aCoder decodeObjectForKey:CPObjectControllerManagedProxyKey];
+
+        if (content != nil)
+            [self setContent:content];
 
         _observedKeys = [[CPCountedSet alloc] init];
     }
@@ -398,6 +454,11 @@ var CPObjectControllerContentKey                        = @"CPObjectControllerCo
 
     [aCoder encodeBool:[self isEditable] forKey:CPObjectControllerIsEditableKey];
     [aCoder encodeBool:[self automaticallyPreparesContent] forKey:CPObjectControllerAutomaticallyPreparesContentKey];
+    [aCoder encodeBool:[self usesLazyFetching] forKey:CPObjectControllerUsesLazyFetchingKey];
+    [aCoder encodeBool:_isUsingManagedProxy forKey:CPObjectControllerIsUsingManagedProxyKey];
+
+    if (_managedProxy)
+        [aCoder encodeObject:_managedProxy forKey:CPObjectControllerManagedProxyKey];
 }
 
 - (void)awakeFromCib
@@ -459,13 +520,13 @@ var CPObjectControllerContentKey                        = @"CPObjectControllerCo
 
 - (BOOL)isEqual:(id)anObject
 {
-    if ([anObject class] === [self class])
-    {
-        if (anObject._observer === _observer && [anObject._keyPath isEqual:_keyPath] && [anObject._object isEqual:_object])
-            return YES;
-    }
+    if (self === anObject)
+        return YES;
 
-    return NO;
+    if (!anObject || [anObject class] !== [self class] || anObject._observer !== _observer || anObject._keyPath !== _keyPath || anObject._object !== _object)
+            return NO;
+
+    return YES;
 }
 
 - (void)observeValueForKeyPath:(CPString)aKeyPath ofObject:(id)anObject change:(CPDictionary)change context:(id)context
@@ -749,7 +810,7 @@ var CPObjectControllerContentKey                        = @"CPObjectControllerCo
 
 - (void)setValue:(id)theValue forKey:(CPString)theKeyPath
 {
-    [self setValue:theKeyPath forKeyPath:theKeyPath];
+    [self setValue:theValue forKeyPath:theKeyPath];
 }
 
 - (unsigned)count
@@ -808,15 +869,55 @@ var CPObjectControllerContentKey                        = @"CPObjectControllerCo
 
 - (void)removeObserver:(id)anObject forKeyPath:(CPString)aKeyPath
 {
-    var proxy = [[_CPObservationProxy alloc] initWithKeyPath:aKeyPath observer:anObject object:self],
-        index = [_observationProxies indexOfObject:proxy];
+    [_observationProxies enumerateObjectsUsingBlock:function(aProxy, idx, stop)
+    {
+        if (aProxy._object === self && aProxy._keyPath == aKeyPath && aProxy._observer === anObject)
+        {
+            var observedObjects = _observedObjectsByKeyPath[aKeyPath];
 
-    var observedObjects = _observedObjectsByKeyPath[aKeyPath];
-    [observedObjects removeObserver:[_observationProxies objectAtIndex:index] forKeyPath:aKeyPath];
+            [observedObjects removeObserver:aProxy forKeyPath:aKeyPath];
+            [_observationProxies removeObjectAtIndex:idx];
 
-    [_observationProxies removeObjectAtIndex:index];
+            _observedObjectsByKeyPath[aKeyPath] = nil;
 
-    _observedObjectsByKeyPath[aKeyPath] = nil;
+            stop(YES);
+        }
+    }];
 }
 
 @end
+
+
+@implementation _CPManagedProxy : CPObject
+{
+    CPString    _entityName @accessors(getter=entityName, setter=setEntityName:);
+    CPPredicate _fetchPredicate @accessors(getter=fetchPredicate, setter=setFetchPredicate:);
+}
+
+@end
+
+var CPManagedProxyEntityNameKey                         = @"CPManagedProxyEntityNameKey",
+    CPManagedProxyFetchPredicateKey                     = @"CPManagedProxyFetchPredicateKey";
+
+@implementation _CPManagedProxy (CPCoding)
+
+- (id)initWithCoder:(CPCoder)aCoder
+{
+    self = [super init];
+
+    if (self)
+    {
+        [self setEntityName:[aCoder decodeObjectForKey:CPManagedProxyEntityNameKey]];
+        [self setFetchPredicate:[aCoder decodeObjectForKey:CPManagedProxyFetchPredicateKey]];
+    }
+
+    return self;
+}
+
+- (void)encodeWithCoder:(CPCoder)aCoder
+{
+    [aCoder encodeObject:[self entityName] forKey:CPManagedProxyEntityNameKey];
+    [aCoder encodeObject:[self fetchPredicate] forKey:CPManagedProxyFetchPredicateKey];
+}
+
+@end

AppKit/CPPanel.j

@@ -22,10 +22,13 @@
 
 @import "CPWindow.j"
 
+@global CPApp
 
 CPOKButton      = 1;
 CPCancelButton  = 0;
 
+CPDocModalWindowMask    = 1 << 6;
+
 /*!
     @ingroup appkit
     @class CPPanel
@@ -51,8 +54,6 @@ CPCancelButton  = 0;
     @global
     @class CPWindow
 */
-CPDocModalWindowMask    = 1 << 6;
-
 @implementation CPPanel : CPWindow
 {
     BOOL    _becomesKeyOnlyIfNeeded;
@@ -119,4 +120,24 @@ CPDocModalWindowMask    = 1 << 6;
     return YES;
 }
 
+
+#pragma mark -
+#pragma mark Overrides
+
+/*!
+    @ignore
+*/
+- (void)cancelOperation:(id)sender
+{
+    if ([[CPApp currentEvent] _couldBeKeyEquivalent] && [self performKeyEquivalent:[CPApp currentEvent]])
+        return;
+
+    [[self firstResponder] tryToPerform:@selector(cancel:) with:self];
+}
+
+- (void)cancel:(id)sender
+{
+    [self performClose:sender];
+}
+
 @end

AppKit/CPPasteboard.j

@@ -26,6 +26,9 @@
 @import <Foundation/CPDictionary.j>
 @import <Foundation/CPPropertyListSerialization.j>
 
+@class CPWebScriptObject
+
+@typedef DataTransfer
 
 CPGeneralPboard         = @"CPGeneralPboard";
 CPFontPboard            = @"CPFontPboard";
@@ -66,7 +69,7 @@ var CPPasteboards = nil,
     unsigned        _changeCount;
     CPString        _stateUID;
 
-    WebScriptObject _nativePasteboard;
+    CPWebScriptObject _nativePasteboard;
 }
 
 /*

AppKit/CPPopUpButton.j

@@ -26,8 +26,6 @@
 @import "CPMenu.j"
 @import "CPMenuItem.j"
 
-var VISIBLE_MARGIN = 7.0;
-
 CPPopUpButtonStatePullsDown = CPThemeState("pulls-down");
 
 /*!
@@ -363,15 +361,10 @@ CPPopUpButtonStatePullsDown = CPThemeState("pulls-down");
 */
 - (CPArray)itemTitles
 {
-    var titles = [],
-        items = [self itemArray],
-        index = 0,
-        count = [items count];
-
-    for (; index < count; ++index)
-        titles.push([items[index] title]);
-
-    return titles;
+    return [[self itemArray] arrayByApplyingBlock:function(item)
+    {
+        return [item title];
+    }];
 }
 
 /*!
@@ -773,13 +766,6 @@ CPPopUpButtonStatePullsDown = CPThemeState("pulls-down");
             [[self selectedItem] setState:CPOffState];
 }
 
-- (void)_reverseSetBinding
-{
-    [_CPPopUpButtonSelectionBinder reverseSetValueForObject:self];
-
-    [super _reverseSetBinding];
-}
-
 @end
 
 @implementation CPPopUpButton (BindingSupport)
@@ -802,6 +788,20 @@ CPPopUpButtonStatePullsDown = CPThemeState("pulls-down");
     return [super _binderClassForBinding:aBinding];
 }
 
++ (BOOL)isBindingExclusive:(CPString)aBinding
+{
+    return (aBinding == CPSelectedIndexBinding ||
+           aBinding == CPSelectedTagBinding ||
+           aBinding == CPSelectedValueBinding);
+}
+
+- (void)_reverseSetBinding
+{
+    [_CPPopUpButtonSelectionBinder _reverseSetValueFromExclusiveBinderForObject:self];
+
+    [super _reverseSetBinding];
+}
+
 @end
 
 @implementation _CPPopUpButtonContentBinder : CPBinder
@@ -931,30 +931,8 @@ CPPopUpButtonStatePullsDown = CPThemeState("pulls-down");
 
 @end
 
-var binderForObject = {};
-
 @implementation _CPPopUpButtonSelectionBinder : CPBinder
 {
-    CPString _selectionBinding @accessors;
-}
-
-- (id)initWithBinding:(CPString)aBinding name:(CPString)aName to:(id)aDestination keyPath:(CPString)aKeyPath options:(CPDictionary)options from:(id)aSource
-{
-    self = [super initWithBinding:aBinding name:aName to:aDestination keyPath:aKeyPath options:options from:aSource];
-
-    if (self)
-    {
-        binderForObject[[aSource UID]] = self;
-        _selectionBinding = aName;
-    }
-
-    return self;
-}
-
-+ (void)reverseSetValueForObject:(id)aSource
-{
-    var binder = binderForObject[[aSource UID]];
-    [binder reverseSetValueFor:[binder _selectionBinding]];
 }
 
 - (void)setPlaceholderValue:(id)aValue withMarker:(CPString)aMarker forBinding:(CPString)aBinding

AppKit/CPPopover.j

@@ -28,8 +28,19 @@
 @import "CPImageView.j"
 @import "CPResponder.j"
 @import "CPView.j"
+@import "CPViewController.j"
 @import "_CPPopoverWindow.j"
 
+@protocol CPPopoverDelegate <CPObject>
+
+@optional
+- (BOOL)popoverShouldClose:(CPPopover)aPopover;
+- (void)popoverWillClose:(CPPopover)aPopover;
+- (void)popoverDidClose:(CPPopover)aPopover;
+- (void)popoverWillShow:(CPPopover)aPopover;
+- (void)popoverDidShow:(CPPopover)aPopover;
+
+@end
 
 CPPopoverBehaviorApplicationDefined = 0;
 CPPopoverBehaviorTransient          = 1;
@@ -60,15 +71,16 @@ var CPPopoverDelegate_popover_willShow_     = 1 << 0,
 */
 @implementation CPPopover : CPResponder
 {
-    @outlet CPViewController    _contentViewController  @accessors(property=contentViewController);
-    @outlet id                  _delegate               @accessors(getter=delegate);
+    @outlet CPViewController        _contentViewController  @accessors(property=contentViewController);
+    @outlet id <CPPopoverDelegate>  _delegate               @accessors(getter=delegate);
 
-    BOOL                        _animates               @accessors(getter=animates);
-    int                         _appearance             @accessors(property=appearance);
-    int                         _behavior               @accessors(getter=behavior);
+    BOOL                            _animates               @accessors(getter=animates);
+    int                             _appearance             @accessors(property=appearance);
+    int                             _behavior               @accessors(getter=behavior);
 
-    _CPPopoverWindow            _popoverWindow;
-    int                         _implementedDelegateMethods;
+    _CPPopoverWindow                _popoverWindow;
+    CPView                          _positioningView;
+    int                             _implementedDelegateMethods;
 }
 
 
@@ -127,9 +139,6 @@ var CPPopoverDelegate_popover_willShow_     = 1 << 0,
 */
 - (CGSize)contentSize
 {
-    if (![_popoverWindow isVisible])
-        return CGRectMakeZero();
-
     return [[_contentViewController view] frameSize];
 }
 
@@ -140,7 +149,10 @@ var CPPopoverDelegate_popover_willShow_     = 1 << 0,
 */
 - (void)setContentSize:(CGSize)aSize
 {
-    [[_contentViewController view] setFrameSize:aSize];
+    if (!_popoverWindow)
+        [[_contentViewController view] setFrameSize:aSize];
+    else
+        [_popoverWindow updateFrameWithSize:aSize];
 }
 
 /*!
@@ -181,10 +193,10 @@ Set the behavior of the CPPopover. It can be:
         return;
 
     _behavior = aBehavior;
-    [_popoverWindow setStyleMask:[self styleMaskForBehavior]];
+    [_popoverWindow setStyleMask:[self _styleMaskForBehavior]];
 }
 
-- (void)setDelegate:(id)aDelegate
+- (void)setDelegate:(id <CPPopoverDelegate>)aDelegate
 {
     if (_delegate === aDelegate)
         return;
@@ -226,17 +238,14 @@ Set the behavior of the CPPopover. It can be:
     if (!_contentViewController)
         [CPException raise:CPInternalInconsistencyException reason:@"contentViewController must not be nil"];
 
-    // If the popover is currently closing, do nothing. That is what Cocoa does.
-    if ([_popoverWindow isClosing])
+    // If the popover is currently closing or opening, do nothing. That is what Cocoa does.
+    if ([_popoverWindow isClosing] || [_popoverWindow isOpening])
         return;
 
-    if (_implementedDelegateMethods & CPPopoverDelegate_popover_willShow_)
-        [_delegate popoverWillShow:self];
+    _positioningView = positioningView;
 
     if (!_popoverWindow)
-    {
-        _popoverWindow = [[_CPPopoverWindow alloc] initWithContentRect:CGRectMakeZero() styleMask:[self styleMaskForBehavior]];
-    }
+        _popoverWindow = [[_CPPopoverWindow alloc] initWithContentRect:CGRectMakeZero() styleMask:[self _styleMaskForBehavior]];
 
     [_popoverWindow setPlatformWindow:[[positioningView window] platformWindow]];
     [_popoverWindow setAppearance:_appearance];
@@ -245,15 +254,22 @@ Set the behavior of the CPPopover. It can be:
     [_popoverWindow setMovableByWindowBackground:NO];
     [_popoverWindow setFrame:[_popoverWindow frameRectForContentRect:[[_contentViewController view] frame]]];
     [_popoverWindow setContentView:[_contentViewController view]];
+
+    if (![self isShown])
+        [self _popoverWillShow];
+
     [_popoverWindow positionRelativeToRect:positioningRect ofView:positioningView preferredEdge:preferredEdge];
 
-    if (!_animates && _implementedDelegateMethods & CPPopoverDelegate_popover_didShow_)
-        [_delegate popoverDidShow:self];
+    if (![self isShown])
+        [self _popoverWindowDidShow];
 }
 
-- (unsigned)styleMaskForBehavior
+- (unsigned)_styleMaskForBehavior
 {
-    return (_behavior == CPPopoverBehaviorTransient) ? CPClosableOnBlurWindowMask : 0;
+    if (_behavior == CPPopoverBehaviorApplicationDefined)
+        return 0;
+
+    return CPClosableOnBlurWindowMask
 }
 
 /*!
@@ -272,9 +288,9 @@ Set the behavior of the CPPopover. It can be:
     if ([_popoverWindow isClosing] || ![self isShown])
         return;
 
-    if (_implementedDelegateMethods & CPPopoverDelegate_popover_willClose_)
-        [_delegate popoverWillClose:self];
+    [self _popoverWillClose];
 
+    _positioningView = nil;
     [_popoverWindow close];
 
     // popoverDidClose will be sent from popoverWindowDidClose, since
@@ -295,9 +311,8 @@ Set the behavior of the CPPopover. It can be:
     if ([_popoverWindow isClosing])
         return;
 
-    if (_implementedDelegateMethods & CPPopoverDelegate_popover_shouldClose_)
-        if (![_delegate popoverShouldClose:self])
-            return;
+    if (![self _popoverShouldClose])
+        return;
 
     [self _close];
 }
@@ -307,7 +322,7 @@ Set the behavior of the CPPopover. It can be:
 #pragma mark Delegates
 
 /*! @ignore */
-- (BOOL)popoverWindowShouldClose:(_CPPopoverWindow)aPopoverWindow
+- (BOOL)_popoverWindowShouldClose
 {
     [self performClose:self];
 
@@ -318,19 +333,42 @@ Set the behavior of the CPPopover. It can be:
 }
 
 /*! @ignore */
-- (void)popoverWindowDidClose:(_CPPopoverWindow)aPopoverWindow
+- (void)_popoverWindowDidClose
 {
     if (_implementedDelegateMethods & CPPopoverDelegate_popover_didClose_)
         [_delegate popoverDidClose:self];
 }
 
 /*! @ignore */
-- (void)popoverWindowDidShow:(_CPPopoverWindow)aPopoverWindow
+- (void)_popoverWindowDidShow
 {
     if (_implementedDelegateMethods & CPPopoverDelegate_popover_didShow_)
         [_delegate popoverDidShow:self];
 }
 
+/*! @ignore */
+- (BOOL)_popoverShouldClose
+{
+    if (_implementedDelegateMethods & CPPopoverDelegate_popover_shouldClose_)
+        return [_delegate popoverShouldClose:self];
+
+    return YES;
+}
+
+/*! @ignore */
+- (void)_popoverWillClose
+{
+    if (_implementedDelegateMethods & CPPopoverDelegate_popover_willClose_)
+        [_delegate popoverWillClose:self];
+}
+
+/*! @ignore */
+- (void)_popoverWillShow
+{
+    if (_implementedDelegateMethods & CPPopoverDelegate_popover_willShow_)
+        [_delegate popoverWillShow:self];
+}
+
 @end
 
 @implementation CPPopover (Deprecated)

AppKit/CPProgressIndicator.j

@@ -26,6 +26,7 @@
 @import "CPWindow_Constants.j"
 
 
+@typedef CPProgressIndicatorStyle
 /*
     @global
     @group CPProgressIndicatorStyle
@@ -85,6 +86,9 @@ var CPProgressIndicatorSpinningStyleColors = [];
             @"spinning-mini-gif": [CPNull null],
             @"spinning-small-gif": [CPNull null],
             @"spinning-regular-gif": [CPNull null],
+            @"circular-border-color": [CPNull null],
+            @"circular-border-size": 1,
+            @"circular-color": [CPNull null]
         };
 }
 
@@ -367,6 +371,7 @@ var CPProgressIndicatorSpinningStyleColors = [];
 - (void)drawBar
 {
     [self setNeedsLayout];
+    [self setNeedsDisplay:YES];
 }
 
 - (CPView)createEphemeralSubviewNamed:(CPString)aName
@@ -412,6 +417,9 @@ var CPProgressIndicatorSpinningStyleColors = [];
     {
         if (_style == CPProgressIndicatorSpinningStyle)
         {
+            if (!_indeterminate)
+                return;
+
             // This will cause the bar view to go away due to having a nil rect when _style == CPProgressIndicatorSpinningStyle.
             [self layoutEphemeralSubviewNamed:"bar-view"
                                    positioned:CPWindowBelow
@@ -437,6 +445,54 @@ var CPProgressIndicatorSpinningStyleColors = [];
         [self setBackgroundColor:nil];
 }
 
+- (void)drawRect:(CGRect)aRect
+{
+    if (_style == CPProgressIndicatorSpinningStyle && !_indeterminate)
+    {
+        var context = [[CPGraphicsContext currentContext] graphicsPort],
+            rect = CGRectMakeCopy(aRect),
+            borderSize = [self currentValueForThemeAttribute:@"circular-border-size"];
+
+        rect.origin.x += borderSize;
+        rect.origin.y += borderSize;
+        rect.size.width = rect.size.width - borderSize * 2;
+        rect.size.height = rect.size.height - borderSize * 2;
+
+        if ([self doubleValue] > [self minValue] && [self doubleValue] < [self maxValue])
+        {
+            var midX = CGRectGetMidX(rect),
+                midY = CGRectGetMidY(rect),
+                endAngle = Math.PI * 2 * (([self doubleValue] - [self minValue]) / ([self maxValue] - [self minValue])) - Math.PI / 2,
+                radius = MIN(rect.size.width / 2, rect.size.height / 2)
+
+            CGContextBeginPath(context);
+            CGContextSetLineWidth(context, borderSize);
+            CGContextSetFillColor(context, [self currentValueForThemeAttribute:@"circular-color"])
+            CGContextMoveToPoint(context, midX, midY);
+            CGContextAddArc(context, midX, midY, radius, 3 * Math.PI / 2, endAngle, YES)
+            CGContextAddLineToPoint(context, midX, midY);
+            CGContextClosePath(context);
+            CGContextFillPath(context);
+            CGContextStrokePath(context);
+        }
+        else if ([self doubleValue] == [self maxValue])
+        {
+            CGContextBeginPath(context);
+            CGContextSetFillColor(context, [self currentValueForThemeAttribute:@"circular-color"])
+            CGContextAddEllipseInRect(context, rect);
+            CGContextClosePath(context);
+            CGContextFillPath(context);
+        }
+
+        CGContextBeginPath(context);
+        CGContextSetStrokeColor(context , [self currentValueForThemeAttribute:@"circular-border-color"]);
+        CGContextSetLineWidth(context, borderSize);
+        CGContextAddEllipseInRect(context, rect);
+        CGContextClosePath(context);
+        CGContextStrokePath(context);
+    }
+}
+
 @end
 
 

AppKit/CPRadio.j

@@ -25,8 +25,11 @@
 
 @import "CPButton.j"
 
+@class CPRadioGroup
+
 @global CPApp
 
+CPRadioImageOffset = 4.0;
 
 /*!
     @ingroup appkit
@@ -65,9 +68,6 @@
     option.
 
 */
-
-CPRadioImageOffset = 4.0;
-
 @implementation CPRadio : CPButton
 {
     CPRadioGroup    _radioGroup;
@@ -267,9 +267,9 @@ var CPRadioRadioGroupKey    = @"CPRadioRadioGroupKey";
 - (BOOL)selectRadioWithTag:(int)tag
 {
     var index = [_radios indexOfObjectPassingTest:function(radio)
-                    {
-                        return [radio tag] === tag;
-                    }];
+                {
+                    return [radio tag] === tag;
+                }];
 
     if (index !== CPNotFound)
     {
@@ -356,7 +356,7 @@ var CPRadioRadioGroupKey    = @"CPRadioRadioGroupKey";
     [_selectedRadio setState:CPOffState];
 
     _selectedRadio = aRadio;
-    [_CPRadioGroupSelectionBinder reverseSetValueForObject:self];
+    [_CPRadioGroupSelectionBinder _reverseSetValueFromExclusiveBinderForObject:self];
 }
 
 @end
@@ -407,32 +407,17 @@ var CPRadioGroupRadiosKey           = @"CPRadioGroupRadiosKey",
     return [super _binderClassForBinding:aBinding];
 }
 
-@end
++ (BOOL)isBindingExclusive:(CPString)aBinding
+{
+    return (aBinding == CPSelectedIndexBinding ||
+           aBinding == CPSelectedTagBinding ||
+           aBinding == CPSelectedValueBinding);
+}
 
-var binderForObject = {};
+@end
 
 @implementation _CPRadioGroupSelectionBinder : CPBinder
 {
-    CPString _selectionBinding @accessors;
-}
-
-- (id)initWithBinding:(CPString)aBinding name:(CPString)aName to:(id)aDestination keyPath:(CPString)aKeyPath options:(CPDictionary)options from:(id)aSource
-{
-    self = [super initWithBinding:aBinding name:aName to:aDestination keyPath:aKeyPath options:options from:aSource];
-
-    if (self)
-    {
-        binderForObject[[aSource UID]] = self;
-        _selectionBinding = aName;
-    }
-
-    return self;
-}
-
-+ (void)reverseSetValueForObject:(id)aSource
-{
-    var binder = binderForObject[[aSource UID]];
-    [binder reverseSetValueFor:[binder _selectionBinding]];
 }
 
 - (void)setPlaceholderValue:(id)aValue withMarker:(CPString)aMarker forBinding:(CPString)aBinding

AppKit/CPResponder.j

@@ -24,8 +24,10 @@
 @import <Foundation/CPObjJRuntime.j>
 
 @import "CPEvent.j"
+@import "CPCursor.j"
 
 @class CPKeyBinding
+@class CPMenu
 
 CPDeleteKeyCode         = 8;
 CPTabKeyCode            = 9;
@@ -199,6 +201,18 @@ CPDeleteForwardKeyCode  = 46;
     [_nextResponder performSelector:_cmd withObject:anEvent];
 }
 
+/*!
+ Notifies the receiver that the mouse entered the receiver's area and that it can adapt the cursor.
+ @param anEvent contains information about the exit
+ */
+- (void)cursorUpdate:(CPEvent)anEvent
+{
+    if (_nextResponder)
+        [_nextResponder performSelector:_cmd withObject:anEvent];
+    else
+        [[CPCursor arrowCursor] set];
+}
+
 /*!
     Notifies the receiver that the mouse scroll wheel has moved.
     @param anEvent information about the scroll

AppKit/CPRuleEditor/CPPredicateEditorRowTemplate.j

@@ -27,8 +27,7 @@
 @import "CPMenuItem.j"
 @import "CPTextField.j"
 
-// NOTE: CPDatePicker is not implemented yet
-@class CPDatePicker
+@import "CPDatePicker.j"
 
 
 CPUndefinedAttributeType     = 0;
@@ -488,7 +487,36 @@ CPTransformableAttributeType = 1800;
 
 - (id)copy
 {
-    return [CPKeyedUnarchiver unarchiveObjectWithData:[CPKeyedArchiver archivedDataWithRootObject:self]];
+    var views = [CPArray array],
+        copy = [[[self class] alloc] init];
+
+    [copy _setTemplateType:_templateType];
+    [copy _setOptions:_predicateOptions];
+    [copy _setModifier:_predicateModifier];
+    [copy _setLeftAttributeType:_leftAttributeType];
+    [copy _setRightAttributeType:_rightAttributeType];
+    [copy setLeftIsWildcard:_leftIsWildcard];
+    [copy setRightIsWildcard:_rightIsWildcard];
+
+    [_views enumerateObjectsUsingBlock:function(aView, idx, stop)
+    {
+        var vcopy;
+
+        if ([aView implementsSelector:@selector(copy)])
+        {
+            vcopy = [aView copy];
+        }
+        else
+        {
+            vcopy = [CPKeyedUnarchiver unarchiveObjectWithData:[CPKeyedArchiver archivedDataWithRootObject:aView]];
+        }
+
+        [views addObject:vcopy];
+    }];
+
+    [copy setTemplateViews:views];
+
+    return copy;
 }
 
 + (id)_operatorsForAttributeType:(CPAttributeType)attributeType
@@ -680,7 +708,10 @@ CPTransformableAttributeType = 1800;
         view = [[CPCheckBox alloc] initWithFrame:CGRectMake(0, 0, 50, 26)];
     }
     else if (attributeType == CPDateAttributeType)
-        view = [[CPDatePicker alloc] initWithFrame:CGRectMake(0, 0, 150, 26)];
+    {
+        view = [[CPDatePicker alloc] initWithFrame:CGRectMake(0, 0, 180, 26)];
+        [view setDatePickerElements:CPYearMonthDayDatePickerElementFlag];
+    }
     else
         return nil;
 
@@ -797,5 +828,31 @@ var CPPredicateTemplateTypeKey = @"CPPredicateTemplateType",
     [coder encodeObject:_views forKey:CPPredicateTemplateViewsKey];
 }
 
+@end
+
+// Copy support for built-in types
+@implementation CPDatePicker (CPCopying)
+
+- (id)copy
+{
+    var ret = [[[self class] alloc] initWithFrame:[self frame]];
+
+    [ret setTextFont:[self textFont]];
+    [ret setMinDate:[self minDate]];
+    [ret setMaxDate:[self maxDate]];
+    [ret setTimeInterval:[self timeInterval]];
+    [ret setDatePickerMode:[self datePickerMode]];
+    [ret setDatePickerElements:[self datePickerElements]];
+    [ret setDatePickerStyle:[self datePickerStyle]];
+    [ret setLocale:[self locale]];
+    [ret setDateValue:[self dateValue]];
+    [ret setBackgroundColor:[self backgroundColor]];
+    [ret setDrawsBackground:[self drawsBackground]];
+    [ret setBordered:[self isBordered]];
+    [ret _init];
+
+    return ret;
+}
+
 @end
 /*! @endcond */

AppKit/CPRuleEditor/CPRuleEditor.j

@@ -41,6 +41,21 @@
 @global CPCaseInsensitivePredicateOption
 @global CPOrPredicateType
 
+@protocol CPRuleEditorDelegate <CPObject>
+
+@required
+- (id)ruleEditor:(CPRuleEditor)editor child:(CPInteger)index forCriterion:(id)criterion withRowType:(CPRuleEditorRowType)rowType;
+- (id)ruleEditor:(CPRuleEditor)editor displayValueForCriterion:(id)criterion inRow:(CPInteger)row;
+- (CPInteger)ruleEditor:(CPRuleEditor)editor numberOfChildrenForCriterion:(id)criterion withRowType:(CPRuleEditorRowType)rowType;
+
+@optional
+- (CPDictionary)ruleEditor:(CPRuleEditor)editor predicatePartsForCriterion:(id)criterion withDisplayValue:(id)value inRow:(CPInteger)row;
+- (void)ruleEditorRowsDidChange:(CPNotification)notification;
+
+@end
+
+var CPRuleEditorDelegate_ruleEditor_predicatePartsForCriterion_withDisplayValue_inRow_   = 1 << 1;
+
 var CPRuleEditorItemPBoardType  = @"CPRuleEditorItemPBoardType",
     itemsContext                = "items",
     valuesContext               = "values",
@@ -69,50 +84,51 @@ var CPRuleEditorItemPBoardType  = @"CPRuleEditorItemPBoardType",
 
 @implementation CPRuleEditor : CPControl
 {
-    BOOL             _suppressKeyDownHandling;
-    BOOL             _allowsEmptyCompoundRows;
-    BOOL             _disallowEmpty;
-    BOOL             _delegateWantsValidation;
-    BOOL             _editable;
-    BOOL             _sendAction;
+    BOOL                        _suppressKeyDownHandling;
+    BOOL                        _allowsEmptyCompoundRows;
+    BOOL                        _disallowEmpty;
+    BOOL                        _delegateWantsValidation;
+    BOOL                        _editable;
+    BOOL                        _sendAction;
 
-    Class           _rowClass;
+    Class                       _rowClass;
 
-    CPIndexSet      _draggingRows;
-    CPInteger       _subviewIndexOfDropLine;
-    CPView          _dropLineView;
+    CPIndexSet                  _draggingRows;
+    CPInteger                   _subviewIndexOfDropLine;
+    CPView                      _dropLineView;
 
-    CPMutableArray  _rowCache;
-    CPMutableArray  _slices;
+    CPMutableArray              _rowCache;
+    CPMutableArray              _slices;
 
-    CPPredicate     _predicate;
+    CPPredicate                 _predicate;
 
-    CPString        _itemsKeyPath;
-    CPString        _subrowsArrayKeyPath;
-    CPString        _typeKeyPath;
-    CPString        _valuesKeyPath;
-    CPString        _boundArrayKeyPath @accessors(property=boundArrayKeyPath);
+    CPString                    _itemsKeyPath;
+    CPString                    _subrowsArrayKeyPath;
+    CPString                    _typeKeyPath;
+    CPString                    _valuesKeyPath;
+    CPString                    _boundArrayKeyPath @accessors(property=boundArrayKeyPath);
 
-    CPView          _slicesHolder;
-    CPViewAnimation _currentAnimation;
+    CPView                      _slicesHolder;
+    CPViewAnimation             _currentAnimation;
 
-    CPInteger       _lastRow;
-    CPInteger       _nestingMode;
+    CPInteger                   _lastRow;
+    CPInteger                   _nestingMode;
 
-    float           _alignmentGridWidth;
-    float           _sliceHeight;
+    float                       _alignmentGridWidth;
+    float                       _sliceHeight;
 
-    id              _ruleDataSource;
-    id              _ruleDelegate;
-    id              _boundArrayOwner;
+    id                          _ruleDataSource;
+    id <CPRuleEditorDelegate>   _ruleDelegate;
+    id                          _boundArrayOwner;
+    unsigned                    _implementedDelegateMethods;
 
-    CPString        _stringsFilename;
+    CPString                    _stringsFilename;
 
-    BOOL            _isKeyDown;
-    BOOL            _nestingModeDidChange;
+    BOOL                        _isKeyDown;
+    BOOL                        _nestingModeDidChange;
 
-    _CPRuleEditorLocalizer _standardLocalizer @accessors(property=standardLocalizer);
-    CPDictionary           _itemsAndValuesToAddForRowType;
+    _CPRuleEditorLocalizer      _standardLocalizer @accessors(property=standardLocalizer);
+    CPDictionary                _itemsAndValuesToAddForRowType;
 }
 
 /*! @cond */
@@ -131,8 +147,10 @@ var CPRuleEditorItemPBoardType  = @"CPRuleEditorItemPBoardType",
             @"slice-bottom-border-color": [CPNull null],
             @"slice-last-bottom-border-color": [CPNull null],
             @"font": [CPNull null],
+            @"font-color": [CPNull null],
             @"add-image": [CPNull null],
             @"remove-image": [CPNull null],
+            @"vertical-alignment": [CPNull null]
         };
 }
 
@@ -143,7 +161,7 @@ var CPRuleEditorItemPBoardType  = @"CPRuleEditorItemPBoardType",
     {
         _slices = [[CPMutableArray alloc] init];
 
-        _sliceHeight = 26.;
+        _sliceHeight = 26.0;
         _nestingMode = CPRuleEditorNestingModeSimple; // 10.5 default is CPRuleEditorNestingModeCompound
         _editable = YES;
         _allowsEmptyCompoundRows = NO;
@@ -213,19 +231,24 @@ var CPRuleEditorItemPBoardType  = @"CPRuleEditorItemPBoardType",
     @discussion CPRuleEditor requires a delegate that implements the required delegate methods to function.
     @see delegate
 */
-- (void)setDelegate:(id)aDelegate
+- (void)setDelegate:(id <CPRuleEditorDelegate>)aDelegate
 {
     if (_ruleDelegate === aDelegate)
         return;
 
     var nc = [CPNotificationCenter defaultCenter];
+
     if (_ruleDelegate)
         [nc removeObserver:_ruleDelegate name:nil object:self];
 
     _ruleDelegate = aDelegate;
+    _implementedDelegateMethods = 0;
 
     if ([_ruleDelegate respondsToSelector:@selector(ruleEditorRowsDidChange:)])
         [nc addObserver:_ruleDelegate selector:@selector(ruleEditorRowsDidChange:) name:CPRuleEditorRowsDidChangeNotification object:nil];
+
+    if ([_ruleDelegate respondsToSelector:@selector(ruleEditor:predicatePartsForCriterion:withDisplayValue:inRow:)])
+        _implementedDelegateMethods |= CPRuleEditorDelegate_ruleEditor_predicatePartsForCriterion_withDisplayValue_inRow_;
 }
 /*!
     @brief Returns a Boolean value that indicates whether the receiver is editable.
@@ -810,7 +833,7 @@ TODO: implement
         var item = [items objectAtIndex:i],
         //var displayValue = [self _queryValueForItem:item inRow:aRow]; Ask the delegate or get cached value ?.
             displayValue = [[self displayValuesForRow:aRow] objectAtIndex:i],
-            predpart = [_ruleDelegate ruleEditor:self predicatePartsForCriterion:item withDisplayValue:displayValue inRow:aRow];
+            predpart = [self _sendDelegateRuleEditorPredicatePartsForCriterion:item withDisplayValue:displayValue inRow:aRow];
 
         if (predpart)
             [predicateParts addEntriesFromDictionary:predpart];
@@ -1716,8 +1739,7 @@ TODO: implement
 {
     if (_delegateWantsValidation)
     {
-        var selector = @selector(ruleEditor:predicatePartsForCriterion:withDisplayValue:inRow:);
-        if (![_ruleDelegate respondsToSelector:selector])
+        if (![self _delegateRespondsToRuleEditorPredicatePartsForCriterionWithDisplayValueInRow])
             return;
 
         _delegateWantsValidation = NO;
@@ -1865,14 +1887,34 @@ TODO: implement
     return [self valueForThemeAttribute:@"font"];
 }
 
-- (CPImage)_addImage
+- (CPColor)_fontColor
 {
-    return [self valueForThemeAttribute:@"add-image"];
+    return [self valueForThemeAttribute:@"font-color"];
 }
 
-- (CPImage)_removeImage
+- (CPImage)_imageAdd
 {
-    return [self valueForThemeAttribute:@"remove-image"];
+    return [self valueForThemeAttribute:@"add-image" inState:CPThemeStateNormal];
+}
+
+- (CPImage)_imageAddHighlighted
+{
+    return [self valueForThemeAttribute:@"add-image" inState:CPThemeStateHighlighted];
+}
+
+- (CPImage)_imageRemove
+{
+    return [self valueForThemeAttribute:@"remove-image" inState:CPThemeStateNormal];
+}
+
+- (CPImage)_imageRemoveHighlighted
+{
+    return [self valueForThemeAttribute:@"remove-image" inState:CPThemeStateHighlighted];
+}
+
+- (CPVerticalTextAlignment)_verticalAlignment
+{
+    return [self valueForThemeAttribute:@"vertical-alignment"];
 }
 
 - (CPString)_toolTipForAddCompoundRowButton
@@ -2079,7 +2121,7 @@ TODO: implement
         return;
 
     var point = [self convertPoint:[event locationInWindow] fromView:nil],
-        view = [_slices objectAtIndex:FLOOR(point.y / _sliceHeight)];
+        view = [_slices objectAtIndex:FLOOR(MAX(0, point.y) / _sliceHeight)];
 
     if ([self _dragShouldBeginFromMouseDown:view])
         [self _performDragForSlice:view withEvent:event];
@@ -2165,7 +2207,7 @@ TODO: implement
         indexOfDropLine =  FLOOR(y / _sliceHeight),
         numberOfRows = [self numberOfRows];
 
-    if (indexOfDropLine < 0 || indexOfDropLine > numberOfRows || (indexOfDropLine >= [_draggingRows firstIndex] && indexOfDropLine <= [_draggingRows lastIndex] + 1))
+    if (indexOfDropLine <= 0 || indexOfDropLine > numberOfRows || (indexOfDropLine >= [_draggingRows firstIndex] && indexOfDropLine <= [_draggingRows lastIndex] + 1))
     {
         if (_subviewIndexOfDropLine !== CPNotFound && indexOfDropLine !== _subviewIndexOfDropLine)
             [self _clearDropLine];
@@ -2377,6 +2419,33 @@ TODO: implement
 
 @end
 
+
+@implementation CPRuleEditor (CPRuleEditorDelegate)
+
+/*!
+    @ignore
+    Check if the delegate responds to ruleEditor:predicatePartsForCriterion:withDisplayValue:inRow:
+*/
+- (BOOL)_delegateRespondsToRuleEditorPredicatePartsForCriterionWithDisplayValueInRow
+{
+    return _implementedDelegateMethods & CPRuleEditorDelegate_ruleEditor_predicatePartsForCriterion_withDisplayValue_inRow_;
+}
+
+/*!
+    @ignore
+    Call delegate ruleEditor:predicatePartsForCriterion:withDisplayValue:inRow:
+*/
+- (CPDictionary)_sendDelegateRuleEditorPredicatePartsForCriterion:(id)criterion withDisplayValue:(id)value inRow:(CPInteger)row
+{
+    if (!(_implementedDelegateMethods & CPRuleEditorDelegate_ruleEditor_predicatePartsForCriterion_withDisplayValue_inRow_))
+        return @{};
+
+    return [_ruleDelegate ruleEditor:self predicatePartsForCriterion:criterion withDisplayValue:value inRow:row];
+}
+
+@end
+
+
 var CPRuleEditorAlignmentGridWidthKey       = @"CPRuleEditorAlignmentGridWidth",
     CPRuleEditorSliceHeightKey              = @"CPRuleEditorSliceHeight",
     CPRuleEditorStringsFilenameKey          = @"CPRuleEditorStringsFilename",

AppKit/CPRuleEditor/CPRuleEditor_Constants.j

@@ -20,6 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+
 CPRuleEditorPredicateLeftExpression     = "CPRuleEditorPredicateLeftExpression";
 CPRuleEditorPredicateRightExpression    = "CPRuleEditorPredicateRightExpression";
 CPRuleEditorPredicateComparisonModifier = "CPRuleEditorPredicateComparisonModifier";
@@ -36,5 +37,6 @@ CPRuleEditorNestingModeList     = 1;        // Allows a single list, with no nes
 CPRuleEditorNestingModeCompound = 2;        // Unlimited nesting and compound rows; this is the default
 CPRuleEditorNestingModeSimple   = 3;        // One compound row at the top with subrows beneath it, and no further nesting allowed
 
+@typedef CPRuleEditorRowType
 CPRuleEditorRowTypeSimple       = 0;
 CPRuleEditorRowTypeCompound     = 1;

AppKit/CPRuleEditor/_CPPredicateEditorTree.j

@@ -20,6 +20,8 @@
 @import <Foundation/CPObject.j>
 @import <Foundation/CPString.j>
 
+@class CPPredicateEditorRowTemplate
+
 @implementation _CPPredicateEditorTree : CPObject
 {
     CPPredicateEditorRowTemplate         template @accessors;

AppKit/CPRuleEditor/_CPRuleEditorPopUpButton.j

@@ -1,203 +0,0 @@
-/*
- * Created by cacaodev@gmail.com.
- * Copyright (c) 2011 Pear, Inc. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-@import "CPBezierPath.j"
-@import "CPPopUpButton.j"
-
-@class _CPRuleEditorViewSlice
-
-var GRADIENT_START_COLOR = "#fcfcfc",
-    GRADIENT_END_COLOR = "#dfdfdf",
-    BORDER_COLOR = "#BDBDBD";
-
-var GRADIENT_NORMAL,
-    GRADIENT_HIGHLIGHTED,
-    GRADIENT_PROPERTY;
-
-if (CPBrowserIsEngine(CPWebKitBrowserEngine))
-{
-    GRADIENT_NORMAL = "-webkit-gradient(linear, left top, left bottom, from(" + GRADIENT_START_COLOR + "), to(" + GRADIENT_END_COLOR + "))",
-    GRADIENT_HIGHLIGHTED = "-webkit-gradient(linear, left top, left bottom, from(" + GRADIENT_END_COLOR + "), to(" + GRADIENT_START_COLOR + "))";
-    GRADIENT_PROPERTY = "background";
-}
-else if (CPBrowserIsEngine(CPGeckoBrowserEngine))
-{
-    GRADIENT_NORMAL = "-moz-linear-gradient(top, " + GRADIENT_START_COLOR + ", " + GRADIENT_END_COLOR + ")",
-    GRADIENT_HIGHLIGHTED = "-moz-linear-gradient(top, " + GRADIENT_END_COLOR + ", " + GRADIENT_START_COLOR + ")";
-    GRADIENT_PROPERTY = "background";
-}
-else if (CPBrowserIsEngine(CPInternetExplorerBrowserEngine))
-{
-    GRADIENT_NORMAL = "progid:DXImageTransform.Microsoft.gradient(startColorstr='" + GRADIENT_START_COLOR + "', endColorstr='" + GRADIENT_END_COLOR + "')";
-    GRADIENT_HIGHLIGHTED = "progid:DXImageTransform.Microsoft.gradient(startColorstr='" + GRADIENT_END_COLOR + "', endColorstr='" + GRADIENT_START_COLOR + "')";
-    GRADIENT_PROPERTY = "filter";
-}else
-{
-    GRADIENT_NORMAL = GRADIENT_START_COLOR;
-    GRADIENT_HIGHLIGHTED = GRADIENT_END_COLOR;
-    GRADIENT_PROPERTY = "background";
-}
-
-@implementation _CPRuleEditorPopUpButton : CPPopUpButton
-{
-    CPInteger radius;
-}
-
-- (void)_sharedInit
-{
-    [self setBordered:NO];
-
-#if PLATFORM(DOM)
-    var style = _DOMElement.style;
-    style.border = "1px solid " + BORDER_COLOR;
-    style[GRADIENT_PROPERTY] = GRADIENT_NORMAL;
-#endif
-}
-
-- (id)initWithFrame:(CGRect)aFrame
-{
-    if (self = [super initWithFrame:aFrame])
-        [self _sharedInit];
-
-    return self;
-}
-
-- (id)initWithCoder:(CPCoder)aCoder
-{
-    self = [super initWithCoder:aCoder];
-    [self _sharedInit];
-
-    return self;
-}
-
-- (CPView)hitTest:(CGPoint)point
-{
-    if (!CGRectContainsPoint([self frame], point) || ![self sliceIsEditable])
-        return nil;
-
-    return self;
-}
-
-- (BOOL)sliceIsEditable
-{
-    var superview = [self superview];
-    return ![superview isKindOfClass:[_CPRuleEditorViewSlice]] || [superview isEditable];
-}
-
-- (void)trackMouse:(CPEvent)theEvent
-{
-    if (![self sliceIsEditable])
-        return;
-
-    [super trackMouse:theEvent];
-}
-
-- (CGRect)contentRectForBounds:(CGRect)bounds
-{
-    var contentRect = [super contentRectForBounds:bounds];
-    contentRect.origin.x += radius;
-    contentRect.size.width -= 2 * radius;
-
-    return contentRect;
-}
-
-- (void)layoutSubviews
-{
-#if PLATFORM(DOM)
-    radius = FLOOR(CGRectGetHeight([self bounds]) / 2);
-    var style = _DOMElement.style,
-        radiusCSS = radius + "px";
-
-    style.borderRadius = radiusCSS;
-#endif
-
-    [super layoutSubviews];
-}
-
-- (void)drawRect:(CGRect)aRect
-{
-    var context = [[CPGraphicsContext currentContext] graphicsPort],
-        bounds = [self bounds],
-        arrow_width = FLOOR(CGRectGetHeight(bounds) / 3.5);
-
-    CGContextTranslateCTM(context, CGRectGetWidth(bounds) - radius - arrow_width, CGRectGetHeight(bounds) / 2);
-
-    var arrowsPath = [CPBezierPath bezierPath];
-    [arrowsPath moveToPoint:CGPointMake(0, 1)];
-    [arrowsPath lineToPoint:CGPointMake(arrow_width, 1)];
-    [arrowsPath lineToPoint:CGPointMake(arrow_width / 2, arrow_width + 1)];
-    [arrowsPath closePath];
-
-    CGContextSetFillColor(context, [CPColor colorWithWhite:101 / 255 alpha:1]);
-    [arrowsPath fill];
-
-    CGContextScaleCTM(context, 1 , -1);
-    [arrowsPath fill];
-}
-
-@end
-
-@implementation _CPRuleEditorButton : CPButton
-{
-    CPInteger radius;
-}
-
-- (void)_sharedInit
-{
-    [self setBordered:NO];
-
-#if PLATFORM(DOM)
-    var style = _DOMElement.style;
-    style.border = "1px solid " + BORDER_COLOR;
-    style[GRADIENT_PROPERTY] = GRADIENT_NORMAL;
-#endif
-}
-
-- (id)initWithFrame:(CGRect)aFrame
-{
-    if (self = [super initWithFrame:aFrame])
-        [self _sharedInit];
-
-    return self;
-}
-
-- (id)initWithCoder:(CPCoder)aCoder
-{
-    self = [super initWithCoder:aCoder];
-    [self _sharedInit];
-
-    return self;
-}
-
-- (void)layoutSubviews
-{
-#if PLATFORM(DOM)
-    radius = FLOOR(CGRectGetHeight([self bounds]) / 2);
-
-    var style = _DOMElement.style,
-        radiusCSS = radius + "px";
-
-    style.borderRadius = radiusCSS;
-    style[GRADIENT_PROPERTY] = ([self isHighlighted]) ? GRADIENT_HIGHLIGHTED : GRADIENT_NORMAL;
-#endif
-
-    [super layoutSubviews];
-}
-
-@end

AppKit/CPRuleEditor/_CPRuleEditorViewSlice.j

@@ -19,6 +19,8 @@
 
 @import "CPView.j"
 
+@class CPRuleEditor
+
 @implementation _CPRuleEditorViewSlice : CPView
 {
     CPRuleEditor _ruleEditor;
@@ -27,7 +29,6 @@
     CGRect       _animationTargetRect   @accessors(property=_animationTargetRect);
     BOOL         _selected              @accessors(getter=_isSelected, setter=_setSelected:);
     BOOL         _lastSelected          @accessors(getter=_isLastSelected, setter=_setLastSelected:);
-    CPColor      _backgroundColor       @accessors(property=backgroundColor);
     BOOL         _editable              @accessors(getter=isEditable, setter=setEditable:);
 }
 
@@ -61,9 +62,9 @@
 - (void)drawRect:(CGRect)rect
 {
     var context = [[CPGraphicsContext currentContext] graphicsPort],
-        bounds = [self bounds],
-        maxX = CGRectGetWidth(bounds),
-        maxY = CGRectGetHeight(bounds);
+        bounds  = [self bounds],
+        maxX    = CGRectGetWidth(bounds),
+        maxY    = CGRectGetHeight(bounds);
 
     // Draw background
     if ([self _isSelected])

AppKit/CPRuleEditor/_CPRuleEditorViewSliceRow.j

@@ -19,24 +19,27 @@
 
 @import "CPRuleEditor_Constants.j"
 @import "_CPRuleEditorViewSlice.j"
-@import "_CPRuleEditorPopUpButton.j"
+
+@import "CPButton.j"
+@import "CPDatePicker.j"
+@import "CPPopUpButton.j"
 
 @global CPApp
-
-var CONTROL_HEIGHT = 16.,
-    BUTTON_HEIGHT = 16.;
+@global CPMiniControlSize
+@global CPSmallControlSize
 
 @implementation _CPRuleEditorViewSliceRow : _CPRuleEditorViewSlice
 {
-    CPMutableArray  _ruleOptionViews;
-    CPMutableArray  _ruleOptionFrames;
-    CPMutableArray  _correspondingRuleItems;
-    CPMutableArray  _ruleOptionInitialViewFrames;
-    CPButton        _addButton;
-    CPButton        _subtractButton;
+    CPButton                _addButton;
+    CPButton                _subtractButton;
+    CPMutableArray          _correspondingRuleItems;
+    CPMutableArray          _ruleOptionFrames;
+    CPMutableArray          _ruleOptionInitialViewFrames;
+    CPMutableArray          _ruleOptionViews;
 
-    CPRuleEditorRowType _rowType @accessors;
-    CPRuleEditorRowType _plusButtonRowType;
+
+    CPRuleEditorRowType     _rowType @accessors;
+    CPRuleEditorRowType     _plusButtonRowType;
 }
 
 - (id)initWithFrame:(CGRect)frame ruleEditorView:(id)editor
@@ -49,34 +52,33 @@ var CONTROL_HEIGHT = 16.,
 
 - (void)_initShared
 {
-    _correspondingRuleItems = [[CPMutableArray alloc] init];
-    _ruleOptionFrames = [[CPMutableArray alloc] init];
-    _ruleOptionInitialViewFrames = [[CPMutableArray alloc] init];
-    _ruleOptionViews = [[CPMutableArray alloc] init];
-     _editable = [_ruleEditor isEditable];
+    _correspondingRuleItems         = [[CPMutableArray alloc] init];
+    _ruleOptionFrames               = [[CPMutableArray alloc] init];
+    _ruleOptionInitialViewFrames    = [[CPMutableArray alloc] init];
+    _ruleOptionViews                = [[CPMutableArray alloc] init];
+    _editable                       = [_ruleEditor isEditable];
+
+    _addButton                      = [self _createAddRowButton];
+    _subtractButton                 = [self _createDeleteRowButton];
 
-    _addButton = [self _createAddRowButton];
-    _subtractButton = [self _createDeleteRowButton];
-    [_addButton setToolTip:[_ruleEditor _toolTipForAddSimpleRowButton]];
-    [_subtractButton setToolTip:[_ruleEditor _toolTipForDeleteRowButton]];
-    [_addButton setHidden:!_editable];
-    [_subtractButton setHidden:!_editable];
     [self addSubview:_addButton];
     [self addSubview:_subtractButton];
 
     [self setAutoresizingMask:CPViewWidthSizable];
-
-    var center = [CPNotificationCenter defaultCenter];
-    [center addObserver:self selector:@selector(_textDidChange:) name:CPControlTextDidChangeNotification object:nil];
 }
 
 - (CPButton)_createRowButton
 {
-    var button = [[_CPRuleEditorButton alloc] initWithFrame:CGRectMakeZero()];
-    [button setFont:[CPFont boldFontWithName:@"Apple Symbol" size:12.0]];
-    [button setTextColor:[CPColor colorWithWhite:150 / 255 alpha:1]];
+    var button = [[CPButton alloc] initWithFrame:CGRectMakeZero()];
+
+    [button setFont:[_ruleEditor font]];
+    [button setTextColor:[_ruleEditor _fontColor]];
+
     [button setAlignment:CPCenterTextAlignment];
     [button setAutoresizingMask:CPViewMinXMargin];
+    [button setButtonType:CPMomentaryChangeButton];
+    [button setBordered:NO];
+    [button setHidden:!_editable];
     [button setImagePosition:CPImageOnly];
 
     return button;
@@ -86,7 +88,10 @@ var CONTROL_HEIGHT = 16.,
 {
     var button = [self _createRowButton];
 
-    [button setImage:[_ruleEditor _addImage]];
+    [button setToolTip:[_ruleEditor _toolTipForAddSimpleRowButton]];
+    [button setValue:[_ruleEditor _imageAdd] forThemeAttribute:@"image" inState:CPThemeStateNormal];
+    [button setValue:[_ruleEditor _imageAddHighlighted] forThemeAttribute:@"image" inState:CPThemeStateHighlighted];
+
     [button setAction:@selector(_addOption:)];
     [button setTarget:self];
 
@@ -97,7 +102,10 @@ var CONTROL_HEIGHT = 16.,
 {
     var button = [self _createRowButton];
 
-    [button setImage:[_ruleEditor _removeImage]];
+    [button setToolTip:[_ruleEditor _toolTipForDeleteRowButton]];
+    [button setValue:[_ruleEditor _imageRemove] forThemeAttribute:@"image" inState:CPThemeStateNormal];
+    [button setValue:[_ruleEditor _imageRemoveHighlighted] forThemeAttribute:@"image" inState:CPThemeStateHighlighted];
+
     [button setAction:@selector(_deleteOption:)];
     [button setTarget:self];
 
@@ -107,20 +115,17 @@ var CONTROL_HEIGHT = 16.,
 - (CPMenuItem)_createMenuItemWithTitle:(CPString )title
 {
     title = [[_ruleEditor standardLocalizer] localizedStringForString:title];
-    var mItem = [[CPMenuItem alloc] initWithTitle:title action:nil keyEquivalent:@""];
-    return mItem;
+    return [[CPMenuItem alloc] initWithTitle:title action:nil keyEquivalent:@""];
 }
 
 - (CPPopUpButton)_createPopUpButtonWithItems:(CPArray)itemsArray selectedItemIndex:(int)index
 {
-    var title = [[itemsArray objectAtIndex:index] title],
-        font = [_ruleEditor font],
-        width = [title sizeWithFont:font].width + 20,
-        rect = CGRectMake(0, 0, (width - width % 40) + 80, CONTROL_HEIGHT),
+    var title   = [[itemsArray objectAtIndex:index] title],
+        font    = [_ruleEditor font],
+        width   = [title sizeWithFont:font].width + 35, // 35 for right arrows + margins
+        rect    = CGRectMake(0, 0, width, [_ruleEditor rowHeight]),
+        popup   = [[CPPopUpButton alloc] initWithFrame:rect];
 
-        popup = [[_CPRuleEditorPopUpButton alloc] initWithFrame:rect];
-
-    [popup setTextColor:[CPColor colorWithWhite:101 / 255 alpha:1]];
     [popup setValue:font forThemeAttribute:@"font"];
 
     var count = [itemsArray count];
@@ -137,17 +142,17 @@ var CONTROL_HEIGHT = 16.,
     return [CPMenuItem separatorItem];
 }
 
-- (_CPRuleEditorTextField)_createStaticTextFieldWithStringValue:(CPString)text
+- (CPTextField)_createStaticTextFieldWithStringValue:(CPString)text
 {
-    var textField = [[_CPRuleEditorTextField alloc] initWithFrame:CGRectMakeZero()],
-        ruleEditorFont = [_ruleEditor font],
-        font = [CPFont fontWithName:[ruleEditorFont familyName] size:[ruleEditorFont size] + 2],
-        localizedText = [[_ruleEditor standardLocalizer] localizedStringForString:text],
-        size = [localizedText sizeWithFont:font];
-
-    [textField setFrameSize:CGSizeMake(size.width + 4, CONTROL_HEIGHT + 2)];
+    var textField       = [[CPTextField alloc] initWithFrame:CGRectMakeZero()],
+        ruleEditorFont  = [_ruleEditor font],
+        font            = [CPFont fontWithName:[ruleEditorFont familyName] size:[ruleEditorFont size] + 2],
+        localizedText   = [[_ruleEditor standardLocalizer] localizedStringForString:text],
+        size            = [localizedText sizeWithFont:font];
 
+    [textField setFrameSize:CGSizeMake(size.width + 4, [_ruleEditor rowHeight])];
     [textField setValue:font forThemeAttribute:@"font"];
+    [textField setValue:[_ruleEditor _verticalAlignment] forThemeAttribute:@"vertical-alignment"];
     [textField setStringValue:localizedText];
 
     return textField;
@@ -159,6 +164,7 @@ var CONTROL_HEIGHT = 16.,
         [self setNeedsDisplay:YES];
 
     var type = _plusButtonRowType;
+
     if ([_ruleEditor nestingMode] == CPRuleEditorNestingModeCompound && ([[CPApp currentEvent] modifierFlags] & CPAlternateKeyMask))
         type = CPRuleEditorRowTypeCompound;
 
@@ -170,12 +176,12 @@ var CONTROL_HEIGHT = 16.,
     [_ruleEditor _deleteSlice:self];
 }
 
-- (void)_ruleOptionPopupChangedAction:(CPMenuItem )sender
+- (void)_ruleOptionPopupChangedAction:(CPMenuItem)sender
 {
-    var layoutdict = [sender representedObject],
-        newItem = [layoutdict objectForKey:@"item"],
+    var layoutdict      = [sender representedObject],
+        newItem         = [layoutdict objectForKey:@"item"],
         indexInCriteria = [layoutdict objectForKey:@"indexInCriteria"],
-        oldItem = [_correspondingRuleItems objectAtIndex:indexInCriteria];
+        oldItem         = [_correspondingRuleItems objectAtIndex:indexInCriteria];
 
     if (![newItem isEqual:oldItem])
     {
@@ -307,8 +313,16 @@ var CONTROL_HEIGHT = 16.,
 
         if (ruleView != nil)
         {
+            [ruleView setControlSize:CPSmallControlSize];
+
+            var minSize = [ruleView currentValueForThemeAttribute:@"min-size"],
+                frame = [ruleView frame];
+
+            // Force controls to their minimum size
+            frame.size.height = minSize.height;
+            [ruleView setFrame:frame];
+
             [_ruleOptionViews addObject:ruleView];
-            var frame = [ruleView frame];
             [_ruleOptionInitialViewFrames addObject:frame];
             [_ruleOptionFrames addObject:frame];
 
@@ -331,8 +345,6 @@ var CONTROL_HEIGHT = 16.,
         var aView = [_ruleOptionViews objectAtIndex:firstResponderIndex];
         [[self window] makeFirstResponder:aView]; // This is not working. bug in CPPopUpButton firstResponder ?
     }
-
-    //[self setNeedsDisplay:YES];
 }
 
 - (void)_updateEnabledStateForSubviews
@@ -350,14 +362,15 @@ var CONTROL_HEIGHT = 16.,
     var optionViewOriginX,
         leftHorizontalPadding,
         leftButtonMinX,
-        rowHeight = [_ruleEditor rowHeight],
-        count = [_ruleOptionViews count],
-        sliceFrame = [self frame],
+        rowHeight   = [_ruleEditor rowHeight],
+        count       = [_ruleOptionViews count],
+        sliceFrame  = [self frame],
+        image       = [_ruleEditor _imageAdd],
 
-        buttonFrame = CGRectMake(CGRectGetWidth(sliceFrame) - BUTTON_HEIGHT - [self _rowButtonsRightHorizontalPadding], ([_ruleEditor rowHeight] - BUTTON_HEIGHT) / 2 - 2, BUTTON_HEIGHT, BUTTON_HEIGHT);
+        buttonFrame = CGRectMake(CGRectGetWidth(sliceFrame) - [image size].width - [self _rowButtonsRightHorizontalPadding], ([_ruleEditor rowHeight] - [image size].height) / 2 - 1, [image size].width, [image size].height);
 
     [_addButton setFrame:buttonFrame];
-    buttonFrame.origin.x -= BUTTON_HEIGHT + [self _rowButtonsInterviewHorizontalPadding];
+    buttonFrame.origin.x -= [image size].width + [self _rowButtonsInterviewHorizontalPadding];
     [_subtractButton setFrame:buttonFrame];
 
     if (widthChanged)
@@ -372,7 +385,8 @@ var CONTROL_HEIGHT = 16.,
         var ruleOptionView = _ruleOptionViews[i],
             optionFrame = _ruleOptionFrames[i];
 
-        optionFrame.origin.y = (rowHeight - CGRectGetHeight(optionFrame)) / 2 - 2;
+        // Use a pixel correction to align controls
+        optionFrame.origin.y = (rowHeight - CGRectGetHeight(optionFrame)) / 2;
 
         if (widthChanged)
         {
@@ -481,6 +495,26 @@ var CONTROL_HEIGHT = 16.,
     [self layoutSubviews];
 }
 
+- (void)_addObservers
+{
+    if (_isObserving)
+        return;
+
+    [super _addObservers];
+
+    [[CPNotificationCenter defaultCenter] addObserver:self selector:@selector(_textDidChange:) name:CPControlTextDidChangeNotification object:nil];
+}
+
+- (void)_removeObservers
+{
+    if (!_isObserving)
+        return;
+
+    [super _removeObservers];
+
+    [[CPNotificationCenter defaultCenter] removeObserver:self name:CPControlTextDidChangeNotification object:nil];
+}
+
 - (void)drawRect:(CGRect)rect
 {
     [super drawRect:rect];
@@ -488,8 +522,9 @@ var CONTROL_HEIGHT = 16.,
 
 - (BOOL)_isRulePopup:(CPView)view
 {
-    if ([view isKindOfClass:[_CPRuleEditorPopUpButton class]])
+    if ([view isKindOfClass:[CPPopUpButton class]])
         return YES;
+
     return NO;
 }
 
@@ -506,28 +541,3 @@ var CONTROL_HEIGHT = 16.,
 }
 
 @end
-
-@implementation _CPRuleEditorTextField : CPTextField
-{
-}
-
-- (id)initWithFrame:(CGRect)frame
-{
-    self = [super initWithFrame:frame];
-    if (self)
-    {
-        [self setDrawsBackground:NO];
-    }
-
-    return self;
-}
-
-- (CPView)hitTest:(CGPoint)point
-{
-    if (!CGRectContainsPoint([self frame], point))
-        return nil;
-
-    return [self superview];
-}
-
-@end

AppKit/CPScrollView.j

@@ -33,6 +33,15 @@
 #define SHOULD_SHOW_CORNER_VIEW() (_scrollerStyle === CPScrollerStyleLegacy && _verticalScroller && ![_verticalScroller isHidden])
 
 
+@protocol CPScrollViewDelegate <CPObject>
+
+@optional
+- (void)scrollViewWillScroll:(CPScrollView)aScrollView;
+- (void)scrollViewDidScroll:(CPScrollView)aScrollView;
+
+@end
+
+
 /*! @ignore */
 var _isBrowserUsingOverlayScrollers = function()
 {
@@ -77,15 +86,6 @@ var _isBrowserUsingOverlayScrollers = function()
 #endif
 };
 
-/*!
-    @ingroup appkit
-    @class CPScrollView
-
-    Used to display views that are too large for the viewing area. the CPScrollView
-    places scroll bars on the side of the view to allow the user to scroll and see the entire
-    contents of the view.
-*/
-
 var TIMER_INTERVAL                              = 0.2,
     CPScrollViewDelegate_scrollViewWillScroll_  = 1 << 0,
     CPScrollViewDelegate_scrollViewDidScroll_   = 1 << 1,
@@ -95,38 +95,45 @@ var TIMER_INTERVAL                              = 0.2,
 var CPScrollerStyleGlobal                       = CPScrollerStyleOverlay,
     CPScrollerStyleGlobalChangeNotification     = @"CPScrollerStyleGlobalChangeNotification";
 
+/*!
+    @ingroup appkit
+    @class CPScrollView
 
+    Used to display views that are too large for the viewing area. the CPScrollView
+    places scroll bars on the side of the view to allow the user to scroll and see the entire
+    contents of the view.
+*/
 @implementation CPScrollView : CPView
 {
-    CPClipView      _contentView;
-    CPClipView      _headerClipView;
-    CPView          _cornerView;
-    CPView          _bottomCornerView;
+    CPClipView                  _contentView;
+    CPClipView                  _headerClipView;
+    CPView                      _cornerView;
+    CPView                      _bottomCornerView;
 
-    id              _delegate;
-    CPTimer         _scrollTimer;
+    id <CPScrollViewDelegate>   _delegate;
+    CPTimer                     _scrollTimer;
 
-    BOOL            _hasVerticalScroller;
-    BOOL            _hasHorizontalScroller;
-    BOOL            _autohidesScrollers;
+    BOOL                        _hasVerticalScroller;
+    BOOL                        _hasHorizontalScroller;
+    BOOL                        _autohidesScrollers;
 
-    CPScroller      _verticalScroller;
-    CPScroller      _horizontalScroller;
+    CPScroller                  _verticalScroller;
+    CPScroller                  _horizontalScroller;
 
-    CPInteger       _recursionCount;
-    CPInteger       _implementedDelegateMethods;
+    CPInteger                   _recursionCount;
+    CPInteger                   _implementedDelegateMethods;
 
-    float           _verticalLineScroll;
-    float           _verticalPageScroll;
-    float           _horizontalLineScroll;
-    float           _horizontalPageScroll;
+    float                       _verticalLineScroll;
+    float                       _verticalPageScroll;
+    float                       _horizontalLineScroll;
+    float                       _horizontalPageScroll;
 
-    CPBorderType    _borderType;
+    CPBorderType                _borderType;
 
-    CPTimer         _timerScrollersHide;
+    CPTimer                     _timerScrollersHide;
 
-    int             _scrollerStyle;
-    int             _scrollerKnobStyle;
+    int                         _scrollerStyle;
+    int                         _scrollerKnobStyle;
 }
 
 
@@ -264,11 +271,6 @@ var CPScrollerStyleGlobal                       = CPScrollerStyleOverlay,
         _delegate = nil;
         _scrollTimer = nil;
         _implementedDelegateMethods = 0;
-
-        [[CPNotificationCenter defaultCenter] addObserver:self
-                                 selector:@selector(_didReceiveDefaultStyleChange:)
-                                     name:CPScrollerStyleGlobalChangeNotification
-                                   object:nil];
     }
 
     return self;
@@ -301,7 +303,7 @@ Notifies the delegate when the scroll view has finished scrolling.
 @endcode
 
 */
-- (void)setDelegate:(id)aDelegate
+- (void)setDelegate:(id <CPScrollViewDelegate>)aDelegate
 {
     if (aDelegate === _delegate)
         return;
@@ -1262,10 +1264,45 @@ Notifies the delegate when the scroll view has finished scrolling.
     [self reflectScrolledClipView:_contentView];
 }
 
+- (CGRect)documentVisibleRect
+{
+    return [_contentView documentVisibleRect];
+}
 
 #pragma mark -
 #pragma mark Overrides
 
+
+- (void)_removeObservers
+{
+    if (!_isObserving)
+        return;
+
+    [[CPNotificationCenter defaultCenter] removeObserver:self
+                                                    name:CPScrollerStyleGlobalChangeNotification
+                                                  object:nil];
+
+    [super _removeObservers];
+}
+
+- (void)_addObservers
+{
+    if (_isObserving)
+        return;
+
+    //Make sure to have the last global style for the scroller
+    [self _didReceiveDefaultStyleChange:nil];
+
+    [[CPNotificationCenter defaultCenter] addObserver:self
+                                             selector:@selector(_didReceiveDefaultStyleChange:)
+                                                 name:CPScrollerStyleGlobalChangeNotification
+                                               object:nil];
+
+    [super _addObservers];
+}
+
+
+
 - (void)drawRect:(CGRect)aRect
 {
     [super drawRect:aRect];
@@ -1399,7 +1436,16 @@ Notifies the delegate when the scroll view has finished scrolling.
     if (![_horizontalScroller isHidden] || ![_verticalScroller isHidden])
         _timerScrollersHide = [CPTimer scheduledTimerWithTimeInterval:CPScrollViewFadeOutTime target:self selector:@selector(_hideScrollers:) userInfo:nil repeats:NO];
 
-    [self _respondToScrollWheelEventWithDeltaX:[anEvent deltaX] deltaY:[anEvent deltaY]];
+    var deltaX = [anEvent scrollingDeltaX],
+        deltaY = [anEvent scrollingDeltaY];
+
+    if (![anEvent hasPreciseScrollingDeltas])
+    {
+        deltaX *= (_horizontalLineScroll || 1.0);
+        deltaY *= (_verticalLineScroll || 1.0);
+    }
+
+    [self _respondToScrollWheelEventWithDeltaX:deltaX deltaY:deltaY];
 }
 
 - (void)scrollPageUp:(id)sender
@@ -1536,6 +1582,8 @@ var CPScrollViewContentViewKey          = @"CPScrollViewContentView",
 */
 - (void)awakeFromCib
 {
+    [super awakeFromCib];
+
     [self _updateScrollerStyle];
     [self _updateCornerAndHeaderView];
 }

AppKit/CPScroller.j

@@ -33,6 +33,7 @@
 @global CPApp
 
 // CPScroller Constants
+@typedef CPScrollerPart
 CPScrollerNoPart            = 0;
 CPScrollerDecrementPage     = 1;
 CPScrollerKnob              = 2;
@@ -44,15 +45,11 @@ CPScrollerKnobSlot          = 6;
 CPScrollerIncrementArrow    = 0;
 CPScrollerDecrementArrow    = 1;
 
+@typedef CPUsableScrollerParts
 CPNoScrollerParts           = 0;
 CPOnlyScrollerArrows        = 1;
 CPAllScrollerParts          = 2;
 
-/*!
-    @ingroup appkit
-    @class CPScroller
-*/
-
 var PARTS_ARRANGEMENT   = [CPScrollerKnobSlot, CPScrollerDecrementLine, CPScrollerIncrementLine, CPScrollerKnob],
     NAMES_FOR_PARTS     = {},
     PARTS_FOR_NAMES     = {};
@@ -76,9 +73,13 @@ CPThemeStateScrollViewLegacy    = CPThemeState("scroller-style-legacy");
 CPThemeStateScrollerKnobLight   = CPThemeState("scroller-knob-light");
 CPThemeStateScrollerKnobDark    = CPThemeState("scroller-knob-dark");
 
+/*!
+    @ingroup appkit
+    @class CPScroller
+*/
+
 @implementation CPScroller : CPControl
 {
-    CPControlSize           _controlSize;
     CPUsableScrollerParts   _usableParts;
     CPArray                 _partRects;
 
@@ -172,7 +173,6 @@ CPThemeStateScrollerKnobDark    = CPThemeState("scroller-knob-dark");
 {
     if (self = [super initWithFrame:aFrame])
     {
-        _controlSize = CPRegularControlSize;
         _partRects = [];
 
         [self setFloatValue:0.0];
@@ -243,29 +243,6 @@ CPThemeStateScrollerKnobDark    = CPThemeState("scroller-knob-dark");
     [super setObjectValue:MIN(1.0, MAX(0.0, +aValue))];
 }
 
-/*!
-    Returns the scroller's control size
-*/
-- (CPControlSize)controlSize
-{
-    return _controlSize;
-}
-
-/*!
-    Sets the scroller's size.
-    @param aControlSize the scroller's size
-*/
-- (void)setControlSize:(CPControlSize)aControlSize
-{
-    if (_controlSize == aControlSize)
-        return;
-
-    _controlSize = aControlSize;
-
-    [self setNeedsLayout];
-    [self setNeedsDisplay:YES];
-}
-
 /*!
     Return's the knob's proportion
 */
@@ -733,7 +710,7 @@ CPThemeStateScrollerKnobDark    = CPThemeState("scroller-knob-dark");
     var themeState = _themeState;
 
     if (NAMES_FOR_PARTS[_hitPart] + "-color" !== anAttributeName)
-        themeState &= ~CPThemeStateHighlighted;
+        themeState = themeState.without(CPThemeStateHighlighted);
 
     return [self valueForThemeAttribute:anAttributeName inState:themeState];
 }
@@ -802,8 +779,7 @@ CPThemeStateScrollerKnobDark    = CPThemeState("scroller-knob-dark");
 
 @end
 
-var CPScrollerControlSizeKey    = @"CPScrollerControlSize",
-    CPScrollerIsVerticalKey     = @"CPScrollerIsVerticalKey",
+var CPScrollerIsVerticalKey     = @"CPScrollerIsVerticalKey",
     CPScrollerKnobProportionKey = @"CPScrollerKnobProportion",
     CPScrollerStyleKey          = @"CPScrollerStyleKey";
 
@@ -813,10 +789,6 @@ var CPScrollerControlSizeKey    = @"CPScrollerControlSize",
 {
     if (self = [super initWithCoder:aCoder])
     {
-        _controlSize = CPRegularControlSize;
-        if ([aCoder containsValueForKey:CPScrollerControlSizeKey])
-            _controlSize = [aCoder decodeIntForKey:CPScrollerControlSizeKey];
-
         _knobProportion = 1.0;
 
         if ([aCoder containsValueForKey:CPScrollerKnobProportionKey])
@@ -851,7 +823,6 @@ var CPScrollerControlSizeKey    = @"CPScrollerControlSize",
 {
     [super encodeWithCoder:aCoder];
 
-    [aCoder encodeInt:_controlSize forKey:CPScrollerControlSizeKey];
     [aCoder encodeInt:_isVertical forKey:CPScrollerIsVerticalKey];
     [aCoder encodeFloat:_knobProportion forKey:CPScrollerKnobProportionKey];
     [aCoder encodeInt:_style forKey:CPScrollerStyleKey];

AppKit/CPSearchField.j

@@ -36,8 +36,6 @@ CPSearchFieldNoRecentsMenuItemTag       = 1003;
 
 var CPAutosavedRecentsChangedNotification = @"CPAutosavedRecentsChangedNotification";
 
-var RECENT_SEARCH_PREFIX = @"   ";
-
 /*!
     @ingroup appkit
     @class CPSearchField
@@ -73,7 +71,9 @@ var RECENT_SEARCH_PREFIX = @"   ";
             @"image-search": [CPNull null],
             @"image-find": [CPNull null],
             @"image-cancel": [CPNull null],
-            @"image-cancel-pressed": [CPNull null]
+            @"image-cancel-pressed": [CPNull null],
+            @"image-search-inset" : CGInsetMake(0, 0, 0, 5),
+            @"image-cancel-inset" : CGInsetMake(0, 5, 0, 0)
         };
 }
 
@@ -119,16 +119,28 @@ var RECENT_SEARCH_PREFIX = @"   ";
     _canResignFirstResponder = YES;
 }
 
-- (void)viewWillMoveToSuperview:(CPView)aView
+
+#pragma mark -
+#pragma mark Override observers
+
+- (void)_removeObservers
 {
-    [super viewWillMoveToSuperview:aView];
+    if (!_isObserving)
+        return;
+
+    [super _removeObservers];
 
-    // First we remove any observer that may have been in place to avoid memory leakage.
     [[CPNotificationCenter defaultCenter] removeObserver:self name:CPControlTextDidChangeNotification object:self];
+}
 
-    // Register the observe here if we need to.
-    if (aView)
-        [[CPNotificationCenter defaultCenter] addObserver:self selector:@selector(_searchFieldTextDidChange:) name:CPControlTextDidChangeNotification object:self];
+- (void)_addObservers
+{
+    if (_isObserving)
+        return;
+
+    [super _addObservers];
+
+    [[CPNotificationCenter defaultCenter] addObserver:self selector:@selector(_searchFieldTextDidChange:) name:CPControlTextDidChangeNotification object:self];
 }
 
 // Managing Buttons
@@ -254,9 +266,10 @@ var RECENT_SEARCH_PREFIX = @"   ";
 */
 - (CGRect)searchButtonRectForBounds:(CGRect)rect
 {
-    var size = [[self valueForThemeAttribute:@"image-search"] size] || CGSizeMakeZero();
+    var size = [[self currentValueForThemeAttribute:@"image-search"] size] || CGSizeMakeZero(),
+        inset = [self currentValueForThemeAttribute:@"image-search-inset"];
 
-    return CGRectMake(5, (CGRectGetHeight(rect) - size.height) / 2, size.width, size.height);
+    return CGRectMake(inset.left - inset.right, inset.top - inset.bottom + (CGRectGetHeight(rect) - size.height) / 2, size.width, size.height);
 }
 
 /*!
@@ -266,9 +279,10 @@ var RECENT_SEARCH_PREFIX = @"   ";
 */
 - (CGRect)cancelButtonRectForBounds:(CGRect)rect
 {
-    var size = [[self valueForThemeAttribute:@"image-cancel"] size] || CGSizeMakeZero();
+    var size = [[self currentValueForThemeAttribute:@"image-cancel"] size] || CGSizeMakeZero(),
+        inset = [self currentValueForThemeAttribute:@"image-cancel-inset"];
 
-    return CGRectMake(CGRectGetWidth(rect) - size.width - 5, (CGRectGetHeight(rect) - size.width) / 2, size.height, size.height);
+    return CGRectMake(CGRectGetWidth(rect) - size.width + inset.left - inset.right, inset.top - inset.bottom + (CGRectGetHeight(rect) - size.width) / 2, size.height, size.height);
 }
 
 // Managing Menu Templates
@@ -614,10 +628,10 @@ var RECENT_SEARCH_PREFIX = @"   ";
 
                 for (var recentIndex = 0; recentIndex < countOfRecents; ++recentIndex)
                 {
-                    // RECENT_SEARCH_PREFIX is a hack until CPMenuItem -setIndentationLevel works
-                    var recentItem = [[CPMenuItem alloc] initWithTitle:RECENT_SEARCH_PREFIX + [_recentSearches objectAtIndex:recentIndex]
+                    var recentItem = [[CPMenuItem alloc] initWithTitle:[_recentSearches objectAtIndex:recentIndex]
                                                                  action:itemAction
                                                           keyEquivalent:[item keyEquivalent]];
+                    [recentItem setIndentationLevel:1];
                     [item setTarget:self];
                     [menu addItem:recentItem];
                 }
@@ -703,7 +717,7 @@ var RECENT_SEARCH_PREFIX = @"   ";
 
 - (void)_searchFieldSearch:(id)sender
 {
-    var searchString = [[sender title] substringFromIndex:[RECENT_SEARCH_PREFIX length]];
+    var searchString = [sender title];
 
     if ([sender tag] != CPSearchFieldRecentsMenuItemTag)
         [self _addStringToRecentSearches:searchString];

AppKit/CPSegmentedControl.j

@@ -25,9 +25,11 @@
 @import "CPControl.j"
 @import "CPWindow_Constants.j"
 @import "_CPImageAndTextView.j"
+@import "CPMenu.j"
 
 @global CPApp
 
+@typedef CPSegmentSwitchTracking
 CPSegmentSwitchTrackingSelectOne = 0;
 CPSegmentSwitchTrackingSelectAny = 1;
 CPSegmentSwitchTrackingMomentary = 2;
@@ -40,7 +42,7 @@ CPSegmentSwitchTrackingMomentary = 2;
 */
 @implementation CPSegmentedControl : CPControl
 {
-    CPArray                 _segments;
+    CPArray                 _segments @accessors(getter=segments);
     CPArray                 _themeStates;
 
     int                     _selectedSegment;
@@ -70,23 +72,9 @@ CPSegmentSwitchTrackingMomentary = 2;
             @"center-segment-bezel-color": [CPNull null],
             @"divider-bezel-color": [CPNull null],
             @"divider-thickness": 1.0,
-            @"default-height": 24.0,
         };
 }
 
-+ (Class)_binderClassForBinding:(CPString)aBinding
-{
-    if ([self _isSelectionBinding:aBinding])
-        return [_CPSegmentedControlBinder class];
-
-    return [super _binderClassForBinding:aBinding];
-}
-
-+ (BOOL)_isSelectionBinding:(CPString)aBinding
-{
-    return (aBinding === CPSelectedIndexBinding || aBinding === CPSelectedLabelBinding || aBinding === CPSelectedTagBinding);
-}
-
 - (id)initWithFrame:(CGRect)aRect
 {
     _segments = [];
@@ -99,22 +87,21 @@ CPSegmentSwitchTrackingMomentary = 2;
         _selectedSegment = -1;
 
         _trackingMode = CPSegmentSwitchTrackingSelectOne;
+        _trackingHighlighted = NO;
+        _trackingSegment = -1;
     }
 
     return self;
 }
 
-- (void)bind:(CPString)aBinding toObject:(id)anObject withKeyPath:(CPString)aKeyPath options:(CPDictionary)options
+/*!
+    Sets the control's size.
+    @param aControlSize the control's size
+*/
+- (void)setControlSize:(CPControlSize)aControlSize
 {
-    if ([[self class] _isSelectionBinding:aBinding] && _trackingMode !== CPSegmentSwitchTrackingSelectOne)
-        CPLog.warn("Binding " + aBinding + " needs CPSegmentSwitchTrackingSelectOne tracking mode");
-    else
-        [super bind:aBinding toObject:anObject withKeyPath:aKeyPath options:options];
-}
-
-- (void)_reverseSetBinding
-{
-    [_CPSegmentedControlBinder reverseSetValueForObject:self];
+    [super setControlSize:aControlSize];
+    [self _sizeToControlSize];
 }
 
 /*!
@@ -122,7 +109,54 @@ CPSegmentSwitchTrackingMomentary = 2;
 */
 - (int)selectedTag
 {
-    return [_segments[_selectedSegment] tag];
+    return [[_segments objectAtIndex:_selectedSegment] tag];
+}
+
+/*! @ignore */
+- (void)setSegments:(CPArray)segments
+{
+    [self removeSegmentsAtIndexes:[CPIndexSet indexSetWithIndexesInRange:CPMakeRange(0, [self  segmentCount])]];
+
+    [self insertSegments:segments atIndexes:[CPIndexSet indexSetWithIndexesInRange:CPMakeRange(0, [segments count])]];
+}
+
+/*! @ignore */
+- (void)insertSegments:(CPArray)segments atIndexes:(CPIndexSet)indices
+{
+    if ([segments count] == 0)
+        return;
+
+    var newStates = @[],
+        count = [indices count];
+
+    while (count--)
+        [newStates addObject:CPThemeStateNormal];
+
+    [_segments insertObjects:segments atIndexes:indices];
+    [_themeStates insertObjects:newStates atIndexes:indices];
+
+    if (_selectedSegment >= [indices firstIndex])
+        _selectedSegment += [indices count];
+}
+
+/*! @ignore */
+- (void)removeSegmentsAtIndexes:(CPIndexSet)indices
+{
+    if ([indices count] == 0)
+        return;
+
+    [indices enumerateIndexesUsingBlock:function(idx, stop)
+    {
+        [[_segments objectAtIndex:idx] setSelected:NO];
+    }];
+
+    if ([indices containsIndex:_selectedSegment])
+        _selectedSegment = -1;
+    else if ([indices lastIndex] < _selectedSegment)
+        _selectedSegment -= [indices count];
+
+    [_segments removeObjectsAtIndexes:indices];
+    [_themeStates removeObjectsAtIndexes:indices];
 }
 
 // Specifying the number of segments
@@ -132,41 +166,32 @@ CPSegmentSwitchTrackingMomentary = 2;
 */
 - (void)setSegmentCount:(unsigned)aCount
 {
-    if (_segments.length == aCount)
+    var prevCount = [_segments count];
+
+    if (aCount == prevCount)
         return;
 
-    var height = CGRectGetHeight([self bounds]),
-        dividersBefore = MAX(0, _segments.length - 1),
-        dividersAfter = MAX(0, aCount - 1);
-
-    if (_segments.length < aCount)
+    if (aCount > prevCount)
     {
-        for (var index = _segments.length; index < aCount; ++index)
-        {
-            _segments[index] = [[_CPSegmentItem alloc] init];
-            _themeStates[index] = CPThemeStateNormal;
-        }
-    }
-    else if (aCount < _segments.length)
-    {
-        _segments.length = aCount;
-        _themeStates.length = aCount;
-    }
+        var count = aCount - prevCount,
+            segments = @[];
 
-    if (_selectedSegment >= _segments.length)
+        while (count--)
+            [segments addObject:[[_CPSegmentItem alloc] init]];
+
+        [self insertSegments:segments atIndexes:[CPIndexSet indexSetWithIndexesInRange:CPMakeRange(prevCount, aCount - prevCount)]];
+    }
+    else
+        [self removeSegmentsAtIndexes:[CPIndexSet indexSetWithIndexesInRange:CPMakeRange(aCount, prevCount - aCount)]];
+
+    [self _updateSelectionIfNeeded];
+    [self tileWithChangedSegment:MAX(MIN(prevCount, aCount) - 1, 0)];
+}
+
+- (void)_updateSelectionIfNeeded
+{
+    if (_selectedSegment >= [self segmentCount])
         _selectedSegment = -1;
-
-    var thickness = [self currentValueForThemeAttribute:@"divider-thickness"],
-        frame = [self frame],
-        widthOfAllSegments = 0,
-        dividerExtraSpace = ([_segments count] - 1) * thickness;
-
-    for (var i = 0; i < [_segments count]; i++)
-        widthOfAllSegments += [_segments[i] width];
-
-    [self setFrameSize:CGSizeMake(widthOfAllSegments + dividerExtraSpace, frame.size.height)];
-
-    [self tileWithChangedSegment:0];
 }
 
 /*!
@@ -174,7 +199,7 @@ CPSegmentSwitchTrackingMomentary = 2;
 */
 - (unsigned)segmentCount
 {
-    return _segments.length;
+    return [_segments count];
 }
 
 // Specifying Selected Segment
@@ -186,7 +211,20 @@ CPSegmentSwitchTrackingMomentary = 2;
 - (void)setSelectedSegment:(unsigned)aSegment
 {
     // setSelected:forSegment throws the exception for us (if necessary)
-    [self setSelected:YES forSegment:aSegment];
+    if (_selectedSegment == aSegment)
+        return;
+
+    if (aSegment == -1)
+    {
+        var count = [self segmentCount];
+
+        while (count--)
+            [self setSelected:NO forSegment:count];
+
+        _selectedSegment = -1;
+    }
+    else
+        [self setSelected:YES forSegment:aSegment];
 }
 
 /*!
@@ -204,8 +242,8 @@ CPSegmentSwitchTrackingMomentary = 2;
 {
     var index = 0;
 
-    for (; index < _segments.length; ++index)
-        if (_segments[index].tag == aTag)
+    for (; index < [_segments count]; ++index)
+        if ([[_segments objectAtIndex:index] tag] == aTag)
         {
             [self setSelectedSegment:index];
 
@@ -219,8 +257,8 @@ CPSegmentSwitchTrackingMomentary = 2;
 {
     var index = 0;
 
-    for (; index < _segments.length; ++index)
-        if (_segments[index].label == aLabel)
+    for (; index < [_segments count]; ++index)
+        if ([[_segments objectAtIndex:index] label] == aLabel)
         {
             [self setSelectedSegment:index];
 
@@ -231,7 +269,7 @@ CPSegmentSwitchTrackingMomentary = 2;
 }
 
 // Specifying Tracking Mode
-
+/*! @ignore */
 - (BOOL)isTracking
 {
 
@@ -249,7 +287,7 @@ CPSegmentSwitchTrackingMomentary = 2;
         var index = 0,
             selected = NO;
 
-        for (; index < _segments.length; ++index)
+        for (; index < [self segmentCount]; ++index)
             if ([_segments[index] selected])
                 if (selected)
                     [self setSelected:NO forSegment:index];
@@ -261,7 +299,7 @@ CPSegmentSwitchTrackingMomentary = 2;
     {
         var index = 0;
 
-        for (; index < _segments.length; ++index)
+        for (; index < [self segmentCount]; ++index)
             if ([_segments[index] selected])
                 [self setSelected:NO forSegment:index];
     }
@@ -284,8 +322,7 @@ CPSegmentSwitchTrackingMomentary = 2;
 */
 - (void)setWidth:(float)aWidth forSegment:(unsigned)aSegment
 {
-    [_segments[aSegment] setWidth:aWidth];
-
+    [[_segments objectAtIndex:aSegment] setWidth:aWidth];
     [self tileWithChangedSegment:aSegment];
 }
 
@@ -296,7 +333,7 @@ CPSegmentSwitchTrackingMomentary = 2;
 */
 - (float)widthForSegment:(unsigned)aSegment
 {
-    return [_segments[aSegment] width];
+    return [[_segments objectAtIndex:aSegment] width];
 }
 
 /*!
@@ -307,7 +344,7 @@ CPSegmentSwitchTrackingMomentary = 2;
 */
 - (void)setImage:(CPImage)anImage forSegment:(unsigned)aSegment
 {
-    [_segments[aSegment] setImage:anImage];
+    [[_segments objectAtIndex:aSegment] setImage:anImage];
 
     [self tileWithChangedSegment:aSegment];
 }
@@ -319,7 +356,7 @@ CPSegmentSwitchTrackingMomentary = 2;
 */
 - (CPImage)imageForSegment:(unsigned)aSegment
 {
-    return [_segments[aSegment] image];
+    return [[_segments objectAtIndex:aSegment] image];
 }
 
 /*!
@@ -330,7 +367,7 @@ CPSegmentSwitchTrackingMomentary = 2;
 */
 - (void)setLabel:(CPString)aLabel forSegment:(unsigned)aSegment
 {
-    [_segments[aSegment] setLabel:aLabel];
+    [[_segments objectAtIndex:aSegment] setLabel:aLabel];
 
     [self tileWithChangedSegment:aSegment];
 }
@@ -342,7 +379,7 @@ CPSegmentSwitchTrackingMomentary = 2;
 */
 - (CPString)labelForSegment:(unsigned)aSegment
 {
-    return [_segments[aSegment] label];
+    return [[_segments objectAtIndex:aSegment] label];
 }
 
 /*!
@@ -353,7 +390,7 @@ CPSegmentSwitchTrackingMomentary = 2;
 */
 - (void)setMenu:(CPMenu)aMenu forSegment:(unsigned)aSegment
 {
-    [_segments[aSegment] setMenu:aMenu];
+    [[_segments objectAtIndex:aSegment] setMenu:aMenu];
 }
 
 /*!
@@ -363,7 +400,7 @@ CPSegmentSwitchTrackingMomentary = 2;
 */
 - (CPMenu)menuForSegment:(unsigned)aSegment
 {
-    return [_segments[aSegment] menu];
+    return [[_segments objectAtIndex:aSegment] menu];
 }
 
 /*!
@@ -375,7 +412,7 @@ CPSegmentSwitchTrackingMomentary = 2;
 */
 - (void)setSelected:(BOOL)isSelected forSegment:(unsigned)aSegment
 {
-    var segment = _segments[aSegment];
+    var segment = [_segments objectAtIndex:aSegment];
 
     // If we're already in this state, bail.
     if ([segment selected] == isSelected)
@@ -392,7 +429,7 @@ CPSegmentSwitchTrackingMomentary = 2;
 
         _selectedSegment = aSegment;
 
-        if (_trackingMode == CPSegmentSwitchTrackingSelectOne && oldSelectedSegment != aSegment && oldSelectedSegment != -1)
+        if (_trackingMode == CPSegmentSwitchTrackingSelectOne && oldSelectedSegment != aSegment && oldSelectedSegment != -1 && oldSelectedSegment < _segments.length)
         {
             [_segments[oldSelectedSegment] setSelected:NO];
             _themeStates[oldSelectedSegment] = CPThemeStateNormal;
@@ -415,7 +452,7 @@ CPSegmentSwitchTrackingMomentary = 2;
 */
 - (BOOL)isSelectedForSegment:(unsigned)aSegment
 {
-    return [_segments[aSegment] selected];
+    return [[_segments objectAtIndex:aSegment] selected];
 }
 
 /*!
@@ -426,15 +463,17 @@ CPSegmentSwitchTrackingMomentary = 2;
 */
 - (void)setEnabled:(BOOL)shouldBeEnabled forSegment:(unsigned)aSegment
 {
-    if ([_segments[aSegment] enabled] === shouldBeEnabled)
+    var segment = [_segments objectAtIndex:aSegment];
+
+    if ([segment enabled] === shouldBeEnabled)
         return;
 
-    [_segments[aSegment] setEnabled:shouldBeEnabled];
+    [segment setEnabled:shouldBeEnabled];
 
     if (shouldBeEnabled)
-        _themeStates[aSegment] &= ~CPThemeStateDisabled;
+        _themeStates[aSegment] = _themeStates[aSegment].without(CPThemeStateDisabled);
     else
-        _themeStates[aSegment] |= CPThemeStateDisabled;
+        _themeStates[aSegment] = _themeStates[aSegment].and(CPThemeStateDisabled);
 
     [self setNeedsLayout];
     [self setNeedsDisplay:YES];
@@ -447,7 +486,7 @@ CPSegmentSwitchTrackingMomentary = 2;
 */
 - (BOOL)isEnabledForSegment:(unsigned)aSegment
 {
-    return [_segments[aSegment] enabled];
+    return [[_segments objectAtIndex:aSegment] enabled];
 }
 
 /*!
@@ -457,7 +496,7 @@ CPSegmentSwitchTrackingMomentary = 2;
 */
 - (void)setTag:(int)aTag forSegment:(unsigned)aSegment
 {
-    [_segments[aSegment] setTag:aTag];
+    [[_segments objectAtIndex:aSegment] setTag:aTag];
 }
 
 /*!
@@ -466,7 +505,7 @@ CPSegmentSwitchTrackingMomentary = 2;
 */
 - (int)tagForSegment:(unsigned)aSegment
 {
-    return [_segments[aSegment] tag];
+    return [[_segments objectAtIndex:aSegment] tag];
 }
 
 // Drawings
@@ -477,10 +516,13 @@ CPSegmentSwitchTrackingMomentary = 2;
 */
 - (void)drawSegmentBezel:(int)aSegment highlight:(BOOL)shouldHighlight
 {
-    if (shouldHighlight)
-        _themeStates[aSegment] |= CPThemeStateHighlighted;
-    else
-        _themeStates[aSegment] &= ~CPThemeStateHighlighted;
+    if (aSegment < _themeStates.length)
+    {
+        if (shouldHighlight)
+            _themeStates[aSegment] = _themeStates[aSegment].and(CPThemeStateHighlighted);
+        else
+            _themeStates[aSegment] = _themeStates[aSegment].without(CPThemeStateHighlighted);
+    }
 
     [self setNeedsLayout];
     [self setNeedsDisplay:YES];
@@ -488,14 +530,12 @@ CPSegmentSwitchTrackingMomentary = 2;
 
 - (float)_leftOffsetForSegment:(unsigned)segment
 {
-    var bezelInset = [self currentValueForThemeAttribute:@"bezel-inset"];
-
     if (segment == 0)
-        return bezelInset.left;
+        return [self currentValueForThemeAttribute:@"bezel-inset"].left;
 
     var thickness = [self currentValueForThemeAttribute:@"divider-thickness"];
 
-    return [self _leftOffsetForSegment:segment - 1] + [self widthForSegment:segment - 1] + thickness;
+    return [self _leftOffsetForSegment:segment - 1] + CGRectGetWidth([self frameForSegment:segment - 1]) + thickness;
 }
 
 - (unsigned)_indexOfLastSegment
@@ -510,7 +550,7 @@ CPSegmentSwitchTrackingMomentary = 2;
 
 - (CGRect)rectForEphemeralSubviewNamed:(CPString)aName
 {
-    var height = [self currentValueForThemeAttribute:@"default-height"],
+    var height = [self currentValueForThemeAttribute:@"min-size"].height,
         contentInset = [self currentValueForThemeAttribute:@"content-inset"],
         bezelInset = [self currentValueForThemeAttribute:@"bezel-inset"],
         bounds = [self bounds];
@@ -529,7 +569,7 @@ CPSegmentSwitchTrackingMomentary = 2;
     else if (aName.indexOf("segment-bezel") === 0)
     {
         var segment = parseInt(aName.substring("segment-bezel-".length), 10),
-            frame = CGRectCreateCopy([_segments[segment] frame]);
+            frame = CGRectCreateCopy([self frameForSegment:segment]);
 
         if (segment === 0)
         {
@@ -537,7 +577,7 @@ CPSegmentSwitchTrackingMomentary = 2;
             frame.size.width -= contentInset.left;
         }
 
-        if (segment === _segments.length - 1)
+        if (segment === [self segmentCount] - 1)
             frame.size.width = CGRectGetWidth([self bounds]) - contentInset.right - frame.origin.x;
 
         return frame;
@@ -545,7 +585,7 @@ CPSegmentSwitchTrackingMomentary = 2;
     else if (aName.indexOf("divider-bezel") === 0)
     {
         var segment = parseInt(aName.substring("divider-bezel-".length), 10),
-            width = [self widthForSegment:segment],
+            width = CGRectGetWidth([self frameForSegment:segment]),
             left = [self _leftOffsetForSegment:segment],
             thickness = [self currentValueForThemeAttribute:@"divider-thickness"];
 
@@ -571,12 +611,20 @@ CPSegmentSwitchTrackingMomentary = 2;
 
 - (void)layoutSubviews
 {
-    if (_segments.length <= 0)
+    if ([self segmentCount] <= 0)
         return;
 
-    var themeState = _themeStates[0];
+    var themeState = _themeStates[0],
+        isDisabled = [self hasThemeState:CPThemeStateDisabled],
+        isControlSizeSmall = [self hasThemeState:CPThemeStateControlSizeSmall],
+        isControlSizeMini = [self hasThemeState:CPThemeStateControlSizeMini];
 
-    themeState |= _themeState & CPThemeStateDisabled;
+    themeState = isDisabled ? themeState.and(CPThemeStateDisabled) : themeState;
+
+    if (isControlSizeSmall)
+        themeState = themeState.and(CPThemeStateControlSizeSmall);
+    else if (isControlSizeMini)
+        themeState = themeState.and(CPThemeStateControlSizeMini);
 
     var leftCapColor = [self valueForThemeAttribute:@"left-segment-bezel-color"
                                             inState:themeState],
@@ -589,7 +637,12 @@ CPSegmentSwitchTrackingMomentary = 2;
 
     var themeState = _themeStates[_themeStates.length - 1];
 
-    themeState |= _themeState & CPThemeStateDisabled;
+    themeState = isDisabled ? themeState.and(CPThemeStateDisabled) : themeState;
+
+    if (isControlSizeSmall)
+        themeState = themeState.and(CPThemeStateControlSizeSmall);
+    else if (isControlSizeMini)
+        themeState = themeState.and(CPThemeStateControlSizeMini);
 
     var rightCapColor = [self valueForThemeAttribute:@"right-segment-bezel-color"
                                              inState:themeState],
@@ -604,7 +657,12 @@ CPSegmentSwitchTrackingMomentary = 2;
     {
         var themeState = _themeStates[i];
 
-        themeState |= _themeState & CPThemeStateDisabled;
+        themeState = isDisabled ? themeState.and(CPThemeStateDisabled) : themeState;
+
+        if (isControlSizeSmall)
+            themeState = themeState.and(CPThemeStateControlSizeSmall);
+        else if (isControlSizeMini)
+            themeState = themeState.and(CPThemeStateControlSizeMini);
 
         var bezelColor = [self valueForThemeAttribute:@"center-segment-bezel-color"
                                               inState:themeState],
@@ -615,7 +673,6 @@ CPSegmentSwitchTrackingMomentary = 2;
 
         [bezelView setBackgroundColor:bezelColor];
 
-
         // layout image/title views
         var segment = _segments[i],
             contentView = [self layoutEphemeralSubviewNamed:@"segment-content-" + i
@@ -642,11 +699,15 @@ CPSegmentSwitchTrackingMomentary = 2;
         if (i == count - 1)
             continue;
 
-        var borderState = _themeStates[i] | _themeStates[i + 1];
 
-        borderState = (borderState & CPThemeStateSelected & ~CPThemeStateHighlighted) ? CPThemeStateSelected : CPThemeStateNormal;
+        var borderState = _themeStates[i].and(_themeStates[i + 1]);
 
-        borderState |= _themeState & CPThemeStateDisabled;
+        borderState = isDisabled ? borderState.and(CPThemeStateDisabled) : borderState;
+
+        if (isControlSizeSmall)
+            borderState = borderState.and(CPThemeStateControlSizeSmall);
+        else if (isControlSizeMini)
+            borderState = borderState.and(CPThemeStateControlSizeMini);
 
         var borderColor = [self valueForThemeAttribute:@"divider-bezel-color"
                                                inState:borderState],
@@ -669,61 +730,33 @@ CPSegmentSwitchTrackingMomentary = 2;
 {
 }
 
-- (void)tileWithChangedSegment:(unsigned)aSegment
+/*! @ignore */
+- (void)tile
 {
-    if (aSegment >= _segments.length)
+    [self tileWithChangedSegment:0];
+}
+
+/*! @ignore */
+- (void)tileWithChangedSegment:(CPInteger)aSegment
+{
+    var segmentCount = [self segmentCount];
+
+    // Corner case: when segmentCount == 0 and aSegment == 0, we do not return here because we still need to set the new frameSize bellow.
+    if (aSegment < 0 || (segmentCount > 0 && aSegment >= segmentCount))
         return;
 
-    var segment = _segments[aSegment],
-        segmentWidth = [segment width],
-        themeState = _themeStates[aSegment] | (_themeState & CPThemeStateDisabled),
-        contentInset = [self valueForThemeAttribute:@"content-inset" inState:themeState],
-        font = [self font];
+    var width = 0;
 
-    if (!segmentWidth)
+    if (segmentCount > 0)
     {
-        if ([segment image] && [segment label])
-            segmentWidth = [[segment label] sizeWithFont:font].width + [[segment image] size].width + contentInset.left + contentInset.right;
-        else if (segment.image)
-            segmentWidth = [[segment image] size].width + contentInset.left + contentInset.right;
-        else if (segment.label)
-            segmentWidth = [[segment label] sizeWithFont:font].width + contentInset.left + contentInset.right;
-        else
-            segmentWidth = 0.0;
+        // Invalidate frames for segments on the right. They will be lazily computed by -frameForSegment:.
+        for (var i = aSegment; i < segmentCount; i++)
+            [_segments[i] setFrame:CGRectMakeZero()];
+
+        width = CGRectGetMaxX([self frameForSegment:(segmentCount - 1)]);
     }
 
-    var delta = segmentWidth - CGRectGetWidth([segment frame]);
-
-    if (!delta)
-    {
-        [self setNeedsLayout];
-        [self setNeedsDisplay:YES];
-
-        return;
-    }
-
-    // Update control size
-    var frame = [self frame];
-
-    [self setFrameSize:CGSizeMake(CGRectGetWidth(frame) + delta, CGRectGetHeight(frame))];
-
-    // Update segment width
-    [segment setWidth:segmentWidth];
-    [segment setFrame:[self frameForSegment:aSegment]];
-
-    // Update following segments widths
-    var index = aSegment + 1;
-
-    for (; index < _segments.length; ++index)
-    {
-        [_segments[index] frame].origin.x += delta;
-
-        [self drawSegmentBezel:index highlight:NO];
-        [self drawSegment:index highlight:NO];
-    }
-
-    [self drawSegmentBezel:aSegment highlight:NO];
-    [self drawSegment:aSegment highlight:NO];
+    [self setFrameSize:CGSizeMake(width, CGRectGetHeight([self frame]))];
 
     [self setNeedsLayout];
     [self setNeedsDisplay:YES];
@@ -735,29 +768,57 @@ CPSegmentSwitchTrackingMomentary = 2;
 */
 - (CGRect)frameForSegment:(unsigned)aSegment
 {
-    return [self bezelFrameForSegment:aSegment];
+    var segment = [_segments objectAtIndex:aSegment],
+        frame = [segment frame];
+
+    if (CGRectEqualToRect(frame, CGRectMakeZero()))
+    {
+        frame = [self bezelFrameForSegment:aSegment];
+        [segment setFrame:frame];
+    }
+
+    return frame;
 }
 
 - (CGRect)bezelFrameForSegment:(unsigned)aSegment
 {
-    var height = [self currentValueForThemeAttribute:@"default-height"],
-        bezelInset = [self currentValueForThemeAttribute:@"bezel-inset"],
+    var left = [self _leftOffsetForSegment:aSegment],
+        top = [self currentValueForThemeAttribute:@"bezel-inset"].top,
         width = [self widthForSegment:aSegment],
-        left = [self _leftOffsetForSegment:aSegment];
+        height = [self currentValueForThemeAttribute:@"min-size"].height;
 
-    return CGRectMake(left, bezelInset.top, width, height);
+    if (width == 0)
+    {
+        var themeState = _themeState.hasThemeState(CPThemeStateDisabled) ? _themeStates[aSegment].and(CPThemeStateDisabled) : _themeStates[aSegment],
+            contentInset = [self valueForThemeAttribute:@"content-inset" inState:themeState],
+            contentInsetWidth = contentInset.left + contentInset.right,
+
+            segment = _segments[aSegment],
+            label = [segment label],
+            image = [segment image];
+
+        width = (label ? [label sizeWithFont:[self font]].width : 4.0) + (image ? [image size].width : 0) + contentInsetWidth;
+    }
+
+    return CGRectMake(left, top, width, height);
 }
 
 - (CGRect)contentFrameForSegment:(unsigned)aSegment
 {
-    var height = [self currentValueForThemeAttribute:@"default-height"],
+    var height = [self currentValueForThemeAttribute:@"min-size"].height,
         contentInset = [self currentValueForThemeAttribute:@"content-inset"],
-        width = [self widthForSegment:aSegment],
+        width = CGRectGetWidth([self frameForSegment:aSegment]),
         left = [self _leftOffsetForSegment:aSegment];
 
     return CGRectMake(left + contentInset.left, contentInset.top, width - contentInset.left - contentInset.right, height - contentInset.top - contentInset.bottom);
 }
 
+- (CGSize)_minimumFrameSize
+{
+    // The current width is always the minimum width.
+    return CGSizeMake(CGRectGetWidth([self frame]), [self currentValueForThemeAttribute:@"min-size"].height);
+}
+
 /*!
     Returns the segment that is hit by the specified point.
     @param aPoint the point to test for a segment hit
@@ -766,19 +827,19 @@ CPSegmentSwitchTrackingMomentary = 2;
 - (unsigned)testSegment:(CGPoint)aPoint
 {
     var location = [self convertPoint:aPoint fromView:nil],
-        count = _segments.length;
+        count = [self segmentCount];
 
     while (count--)
-        if (CGRectContainsPoint([_segments[count] frame], aPoint))
+        if (CGRectContainsPoint([self frameForSegment:count], aPoint))
             return count;
 
-    if (_segments.length)
+    if ([self segmentCount])
     {
-        var adjustedLastFrame = CGRectCreateCopy([_segments[_segments.length - 1] frame]);
+        var adjustedLastFrame = CGRectCreateCopy([self frameForSegment:(_segments.length - 1)]);
         adjustedLastFrame.size.width = CGRectGetWidth([self bounds]) - adjustedLastFrame.origin.x;
 
         if (CGRectContainsPoint(adjustedLastFrame, aPoint))
-            return _segments.length - 1;
+            return [self segmentCount] - 1;
     }
 
     return -1;
@@ -829,7 +890,7 @@ CPSegmentSwitchTrackingMomentary = 2;
             {
                 [self setSelected:NO forSegment:_trackingSegment];
 
-                _selectedSegment = -1;
+                _selectedSegment = CPNotFound;
             }
         }
 
@@ -873,7 +934,7 @@ CPSegmentSwitchTrackingMomentary = 2;
 {
     [super setFont:aFont];
 
-    [self tileWithChangedSegment:0];
+    [self tile];
 }
 
 @end
@@ -905,28 +966,49 @@ var CPSegmentedControlSegmentsKey       = "CPSegmentedControlSegmentsKey",
         if ([aCoder containsValueForKey:CPSegmentedControlSelectedKey])
             _selectedSegment = [aCoder decodeIntForKey:CPSegmentedControlSelectedKey];
         else
-            _selectedSegment = -1;
+            _selectedSegment = CPNotFound;
 
         if ([aCoder containsValueForKey:CPSegmentedControlTrackingModeKey])
             _trackingMode = [aCoder decodeIntForKey:CPSegmentedControlTrackingModeKey];
         else
             _trackingMode = CPSegmentSwitchTrackingSelectOne;
 
-        // HACK
-
-        for (var i = 0; i < _segments.length; i++)
-        {
+        // Here we update the themeStates array for each segments to know if there are selected or not
+        for (var i = 0; i < [self segmentCount]; i++)
             _themeStates[i] = [_segments[i] selected] ? CPThemeStateSelected : CPThemeStateNormal;
-            [self tileWithChangedSegment:i];
+
+        [self tile];
+
+        var thickness = [self currentValueForThemeAttribute:@"divider-thickness"],
+            dividerExtraSpace = ([_segments count] - 1) * thickness,
+            difference = MAX(originalWidth - [self frame].size.width - dividerExtraSpace, 0.0),
+            remainingWidth = FLOOR(difference / [self segmentCount]),
+            widthOfAllSegments = 0;
+
+        // We do this in a second loop because it relies on all the themeStates being set first
+        for (var i = 0; i < [self segmentCount]; i++)
+        {
+            var frame = [_segments[i] frame];
+            frame.size.width += remainingWidth;
+
+            widthOfAllSegments += CGRectGetWidth(frame);
         }
 
-        var difference = MAX(originalWidth - [self frame].size.width, 0.0),
-            remainingWidth = FLOOR(difference / _segments.length);
+        // Here we handle the leftovers pixel, and we will add one pixel to each segment cell till we have the same size as the originalSize.
+        // This is needed to have a perfect/same alignment between our application and xCode.
+        var leftOversPixel = originalWidth - (widthOfAllSegments + dividerExtraSpace);
 
-        for (var i = 0; i < _segments.length; i++)
-            [self setWidth:[_segments[i] width] + remainingWidth forSegment:i];
+        // Make sure we don't make an out of range
+        if (leftOversPixel < [self segmentCount] - 1)
+        {
+            for (var i = 0; i < leftOversPixel; i++)
+            {
+                [_segments[i] frame].size.width += 1;
+            }
+        }
 
-        [self tileWithChangedSegment:0];
+        [self setFrameSize:CGSizeMake(originalWidth, CGRectGetHeight([self frame]))];
+        [self tile];
     }
 
     return self;
@@ -944,31 +1026,48 @@ var CPSegmentedControlSegmentsKey       = "CPSegmentedControlSegmentsKey",
 
 @end
 
-var CPSegmentedControlBindersMap = {},
-    CPSegmentedControlNoSelectionPlaceholder = "CPSegmentedControlNoSelectionPlaceholder";
+@implementation CPSegmentedControl (BindingSupport)
+
++ (Class)_binderClassForBinding:(CPString)aBinding
+{
+    if ([self _isSelectionBinding:aBinding])
+        return [_CPSegmentedControlBinder class];
+
+    return [super _binderClassForBinding:aBinding];
+}
+
++ (BOOL)_isSelectionBinding:(CPString)aBinding
+{
+    return (aBinding === CPSelectedIndexBinding || aBinding === CPSelectedLabelBinding || aBinding === CPSelectedTagBinding);
+}
+
++ (BOOL)isBindingExclusive:(CPString)aBinding
+{
+    return [self _isSelectionBinding:aBinding];
+}
+
+- (void)bind:(CPString)aBinding toObject:(id)anObject withKeyPath:(CPString)aKeyPath options:(CPDictionary)options
+{
+    if ([[self class] _isSelectionBinding:aBinding] && _trackingMode !== CPSegmentSwitchTrackingSelectOne)
+    {
+        CPLog.warn("Binding " + aBinding + " needs CPSegmentSwitchTrackingSelectOne tracking mode");
+        return;
+    }
+
+    [super bind:aBinding toObject:anObject withKeyPath:aKeyPath options:options];
+}
+
+- (void)_reverseSetBinding
+{
+    [_CPSegmentedControlBinder _reverseSetValueFromExclusiveBinderForObject:self];
+}
+
+@end
+
+var CPSegmentedControlNoSelectionPlaceholder = "CPSegmentedControlNoSelectionPlaceholder";
 
 @implementation _CPSegmentedControlBinder : CPBinder
 {
-    CPString _selectionBinding @accessors(readonly, getter=selectionBinding);
-}
-
-+ (void)reverseSetValueForObject:(id)aSource
-{
-    var binder = CPSegmentedControlBindersMap[[aSource UID]];
-    [binder reverseSetValueFor:[binder selectionBinding]];
-}
-
-- (id)initWithBinding:(CPString)aBinding name:(CPString)aName to:(id)aDestination keyPath:(CPString)aKeyPath options:(CPDictionary)options from:(id)aSource
-{
-    self = [super initWithBinding:aBinding name:aName to:aDestination keyPath:aKeyPath options:options from:aSource];
-
-    if (self)
-    {
-        CPSegmentedControlBindersMap[[aSource UID]] = self;
-        _selectionBinding = aName;
-    }
-
-    return self;
 }
 
 - (void)_updatePlaceholdersWithOptions:(CPDictionary)options

AppKit/CPShadow.j

@@ -22,6 +22,9 @@
 
 @import <Foundation/CPObject.j>
 
+@import "CGGeometry.j"
+@import "CPColor.j"
+@import "CPGraphicsContext.j"
 
 /*!
     @deprecated
@@ -31,9 +34,9 @@
 */
 @implementation CPShadow : CPObject
 {
-    CGSize      _offset @accessors(property=shadowOffset);
+    CGSize      _offset     @accessors(property=shadowOffset);
     float       _blurRadius @accessors(property=shadowBlurRadius);
-    CPColor     _color @accessors(property=shadowColor);
+    CPColor     _color      @accessors(property=shadowColor);
 }
 
 /*!

AppKit/CPShadowView.j

@@ -26,7 +26,7 @@
 @import "CPImage.j"
 @import "CPView.j"
 
-
+@typedef CPShadowWeight
 CPLightShadow   = 0;
 CPHeavyShadow   = 1;
 

AppKit/CPSound.j

@@ -23,6 +23,18 @@
 @import <Foundation/CPObject.j>
 @import <Foundation/CPRunLoop.j>
 
+@typedef HTMLAudioElement
+
+@protocol CPSoundDelegate <CPObject>
+
+@optional
+- (void)sound:(CPSound)aSound didFinishPlaying:(BOOL)finishedLoading;
+
+@end
+
+
+var CPSoundDelegate_sound_didFinishPlaying_ = 1 << 1;
+
 CPSoundLoadStateEmpty       = 0;
 CPSoundLoadStateLoading     = 1;
 CPSoundLoadStateCanBePlayed = 2;
@@ -50,6 +62,7 @@ CPSoundPlayBackStatePause   = 2;
     HTMLAudioElement    _audioTag;
     int                 _loadStatus;
     int                 _playBackStatus;
+    unsigned            _implementedDelegateMethods;
 }
 
 #pragma mark -
@@ -133,6 +146,25 @@ CPSoundPlayBackStatePause   = 2;
 }
 
 
+#pragma mark -
+#pragma mark Delegate methods
+
+/*!
+    Sets the sound's delegate.
+    @param aDelegate the new delegate
+*/
+- (void)setDelegate:(id)aDelegate
+{
+    if (_delegate === aDelegate)
+        return;
+
+    _delegate = aDelegate;
+    _implementedDelegateMethods = 0;
+
+    if ([_delegate respondsToSelector:@selector(sound:didFinishPlaying:)])
+        _implementedDelegateMethods |= CPSoundDelegate_sound_didFinishPlaying_;
+}
+
 #pragma mark -
 #pragma mark Events listener
 
@@ -207,8 +239,7 @@ CPSoundPlayBackStatePause   = 2;
     _audioTag.currentTime = 0.0;
     _playBackStatus = CPSoundPlayBackStateStop;
 
-    if (_delegate && [_delegate respondsToSelector:@selector(sound:didFinishPlaying:)])
-        [_delegate sound:self didFinishPlaying:YES];
+    [self _sendDelegateSoundDidFinishPlaying:YES];
 
     return YES;
 }
@@ -316,3 +347,20 @@ CPSoundPlayBackStatePause   = 2;
 }
 
 @end
+
+
+@implementation CPSound (CPSoundDelegate)
+
+/*!
+    @ignore
+    Call delegate sound:didFinishPlaying:
+*/
+- (void)_sendDelegateSoundDidFinishPlaying:(BOOL)finishedPlaying
+{
+    if (!(_implementedDelegateMethods & CPSoundDelegate_sound_didFinishPlaying_))
+        return;
+
+    [_delegate sound:self didFinishPlaying:finishedPlaying];
+}
+
+@end

AppKit/CPSplitView.j

@@ -26,10 +26,40 @@
 @import "CPImage.j"
 @import "CPView.j"
 @import "CPCursor.j"
+@import "CPTrackingArea.j"
 
 @class CPUserDefaults
 @global CPApp
 
+@protocol CPSplitViewDelegate <CPObject>
+
+@optional
+- (BOOL)splitView:(CPSplitView)splitView canCollapseSubview:(CPView)subview;
+- (BOOL)splitView:(CPSplitView)splitView shouldAdjustSizeOfSubview:(CPView)subview;
+- (BOOL)splitView:(CPSplitView)splitView shouldCollapseSubview:(CPView)subview forDoubleClickOnDividerAtIndex:(CPInteger)dividerIndex;
+- (CGRect)splitView:(CPSplitView)splitView additionalEffectiveRectOfDividerAtIndex:(CPInteger)dividerIndex;
+- (CGRect)splitView:(CPSplitView)splitView effectiveRect:(CGRect)proposedEffectiveRect forDrawnRect:(CGRect)drawnRect ofDividerAtIndex:(CPInteger)dividerIndex;
+- (float)splitView:(CPSplitView)splitView constrainMaxCoordinate:(float)proposedMax ofSubviewAt:(CPInteger)dividerIndex;
+- (float)splitView:(CPSplitView)splitView constrainMinCoordinate:(float)proposedMin ofSubviewAt:(CPInteger)dividerIndex;
+- (float)splitView:(CPSplitView)splitView constrainSplitPosition:(float)proposedPosition ofSubviewAt:(CPInteger)dividerIndex;
+- (void)splitView:(CPSplitView)splitView resizeSubviewsWithOldSize:(CGSize)oldSize;
+- (void)splitViewDidResizeSubviews:(CPNotification)aNotification;
+- (void)splitViewWillResizeSubviews:(CPNotification)aNotification;
+
+@end
+
+var CPSplitViewDelegate_splitView_canCollapseSubview_                                   = 1 << 0,
+    CPSplitViewDelegate_splitView_shouldAdjustSizeOfSubview_                            = 1 << 1,
+    CPSplitViewDelegate_splitView_shouldCollapseSubview_forDoubleClickOnDividerAtIndex_ = 1 << 2,
+    CPSplitViewDelegate_splitView_additionalEffectiveRectOfDividerAtIndex_              = 1 << 3,
+    CPSplitViewDelegate_splitView_effectiveRect_forDrawnRect_ofDividerAtIndex_          = 1 << 4,
+    CPSplitViewDelegate_splitView_constrainMaxCoordinate_ofSubviewAt_                   = 1 << 5,
+    CPSplitViewDelegate_splitView_constrainMinCoordinate_ofSubviewAt_                   = 1 << 6,
+    CPSplitViewDelegate_splitView_constrainSplitPosition_ofSubviewAt_                   = 1 << 7,
+    CPSplitViewDelegate_splitView_resizeSubviewsWithOldSize_                            = 1 << 8,
+    CPSplitViewDelegate_splitViewDidResizeSubviews_                                     = 1 << 9,
+    CPSplitViewDelegate_splitViewWillResizeSubviews_                                    = 1 << 10;
+
 #define SPLIT_VIEW_MAYBE_POST_WILL_RESIZE() \
     if ((_suppressResizeNotificationsMask & DidPostWillResizeNotification) === 0) \
     { \
@@ -73,29 +103,31 @@ var ShouldSuppressResizeNotifications   = 1,
 
 @implementation CPSplitView : CPView
 {
-    id              _delegate;
-    BOOL            _isVertical;
-    BOOL            _isPaneSplitter;
+    id <CPSplitViewDelegate>    _delegate;
+    BOOL                        _isVertical;
+    BOOL                        _isPaneSplitter;
 
-    int             _currentDivider;
-    float           _initialOffset;
-    CPDictionary    _preCollapsePositions;
+    int                         _currentDivider;
+    float                       _initialOffset;
+    CPDictionary                _preCollapsePositions;
 
-    CPString        _originComponent;
-    CPString        _sizeComponent;
+    CPString                    _originComponent;
+    CPString                    _sizeComponent;
 
-    CPArray         _DOMDividerElements;
-    CPString        _dividerImagePath;
-    int             _drawingDivider;
+    CPArray                     _DOMDividerElements;
+    CPString                    _dividerImagePath;
+    int                         _drawingDivider;
 
-    CPString        _autosaveName;
-    BOOL            _shouldAutosave;
-    CGSize          _shouldRestoreFromAutosaveUnlessFrameSize;
+    CPString                    _autosaveName;
+    BOOL                        _shouldAutosave;
+    CGSize                      _shouldRestoreFromAutosaveUnlessFrameSize;
 
-    BOOL            _needsResizeSubviews;
-    int             _suppressResizeNotificationsMask;
+    BOOL                        _needsResizeSubviews;
+    int                         _suppressResizeNotificationsMask;
 
-    CPArray         _buttonBars;
+    CPArray                     _buttonBars;
+
+    unsigned                    _implementedDelegateMethods;
 }
 
 + (CPString)defaultThemeClass
@@ -406,11 +438,8 @@ var ShouldSuppressResizeNotifications   = 1,
         buttonBarRect.origin = [self convertPoint:buttonBarRect.origin fromView:buttonBar];
     }
 
-    if ([_delegate respondsToSelector:@selector(splitView:effectiveRect:forDrawnRect:ofDividerAtIndex:)])
-        effectiveRect = [_delegate splitView:self effectiveRect:effectiveRect forDrawnRect:effectiveRect ofDividerAtIndex:anIndex];
-
-    if ([_delegate respondsToSelector:@selector(splitView:additionalEffectiveRectOfDividerAtIndex:)])
-        additionalRect = [_delegate splitView:self additionalEffectiveRectOfDividerAtIndex:anIndex];
+    effectiveRect = [self _sendDelegateSplitViewEffectiveRect:effectiveRect forDrawnRect:effectiveRect ofDividerAtIndex:anIndex];
+    additionalRect = [self _sendDelegateSplitViewAdditionalEffectiveRectOfDividerAtIndex:anIndex];
 
     return CGRectContainsPoint(effectiveRect, aPoint) ||
            (additionalRect && CGRectContainsPoint(additionalRect, aPoint)) ||
@@ -472,21 +501,21 @@ var ShouldSuppressResizeNotifications   = 1,
             if ([self cursorAtPoint:point hitDividerAtIndex:i])
             {
                 if ([anEvent clickCount] == 2 &&
-                    [_delegate respondsToSelector:@selector(splitView:canCollapseSubview:)] &&
-                    [_delegate respondsToSelector:@selector(splitView:shouldCollapseSubview:forDoubleClickOnDividerAtIndex:)])
+                    [self _delegateRespondsToSplitViewCanCollapseSubview] &&
+                    [self _delegateRespondsToSplitViewshouldCollapseSubviewForDoubleClickOnDividerAtIndex])
                 {
                     var minPosition = [self minPossiblePositionOfDividerAtIndex:i],
                         maxPosition = [self maxPossiblePositionOfDividerAtIndex:i],
                         preCollapsePosition = [_preCollapsePositions objectForKey:"" + i] || 0;
 
-                    if ([_delegate splitView:self canCollapseSubview:_subviews[i]] && [_delegate splitView:self shouldCollapseSubview:_subviews[i] forDoubleClickOnDividerAtIndex:i])
+                    if ([self _sendDelegateSplitViewCanCollapseSubview:_subviews[i]] && [self _sendDelegateSplitViewShouldCollapseSubview:_subviews[i] forDoubleClickOnDividerAtIndex:i])
                     {
                         if ([self isSubviewCollapsed:_subviews[i]])
                             [self setPosition:preCollapsePosition ? preCollapsePosition : (minPosition + (maxPosition - minPosition) / 2) ofDividerAtIndex:i];
                         else
                             [self setPosition:minPosition ofDividerAtIndex:i];
                     }
-                    else if ([_delegate splitView:self canCollapseSubview:_subviews[i + 1]] && [_delegate splitView:self shouldCollapseSubview:_subviews[i + 1] forDoubleClickOnDividerAtIndex:i])
+                    else if ([self _sendDelegateSplitViewCanCollapseSubview:_subviews[i + 1]] && [self _sendDelegateSplitViewShouldCollapseSubview:_subviews[i + 1] forDoubleClickOnDividerAtIndex:i])
                     {
                         if ([self isSubviewCollapsed:_subviews[i + 1]])
                             [self setPosition:preCollapsePosition ? preCollapsePosition : (minPosition + (maxPosition - minPosition) / 2) ofDividerAtIndex:i];
@@ -534,26 +563,6 @@ var ShouldSuppressResizeNotifications   = 1,
     //[[self window] setAcceptsMouseMovedEvents:YES];
 }
 
-- (void)mouseEntered:(CPEvent)anEvent
-{
-    // Tracking code handles cursor by itself.
-    if (_currentDivider == CPNotFound)
-        [self _updateResizeCursor:anEvent];
-}
-
-- (void)mouseMoved:(CPEvent)anEvent
-{
-    if (_currentDivider == CPNotFound)
-        [self _updateResizeCursor:anEvent];
-}
-
-- (void)mouseExited:(CPEvent)anEvent
-{
-    if (_currentDivider == CPNotFound)
-        // FIXME: we should use CPCursor push/pop (if previous currentCursor != arrow).
-        [[CPCursor arrowCursor] set];
-}
-
 - (void)_updateResizeCursor:(CPEvent)anEvent
 {
     var point = [self convertPoint:[anEvent locationInWindow] fromView:nil];
@@ -580,12 +589,8 @@ var ShouldSuppressResizeNotifications   = 1,
 
             if (sizeA === 0)
                 canGrow = YES; // Subview is collapsed.
-            else if (!canShrink &&
-                     [_delegate respondsToSelector:@selector(splitView:canCollapseSubview:)] &&
-                     [_delegate splitView:self canCollapseSubview:_subviews[i]])
-            {
+            else if (!canShrink && [self _sendDelegateSplitViewCanCollapseSubview:_subviews[i]])
                 canShrink = YES; // Subview is collapsible.
-            }
 
             if (sizeB === 0)
             {
@@ -594,9 +599,7 @@ var ShouldSuppressResizeNotifications   = 1,
                 // It's safe to assume it can always be uncollapsed.
                 canShrink = YES;
             }
-            else if (!canGrow &&
-                     [_delegate respondsToSelector:@selector(splitView:canCollapseSubview:)] &&
-                     [_delegate splitView:self canCollapseSubview:_subviews[i + 1]])
+            else if (!canGrow && [self _sendDelegateSplitViewCanCollapseSubview:_subviews[i + 1]])
             {
                 canGrow = YES; // Right/lower subview is collapsible.
             }
@@ -657,53 +660,38 @@ var ShouldSuppressResizeNotifications   = 1,
 - (int)_realPositionForPosition:(float)position ofDividerAtIndex:(int)dividerIndex
 {
     // not sure where this should override other positions?
-    if ([_delegate respondsToSelector:@selector(splitView:constrainSplitPosition:ofSubviewAt:)])
-    {
-        var proposedPosition = [_delegate splitView:self constrainSplitPosition:position ofSubviewAt:dividerIndex];
+    var proposedPosition = [self _sendDelegateSplitViewConstrainSplitPosition:position ofSubviewAt:dividerIndex];
 
-        // Silently ignore bad positions which could result from odd delegate responses. We don't want these
-        // bad results to go into the system and cause havoc with frame sizes as the split view tries to resize
-        // its subviews.
-        if (_IS_NUMERIC(proposedPosition))
-            position = proposedPosition;
-    }
+    // Silently ignore bad positions which could result from odd delegate responses. We don't want these
+    // bad results to go into the system and cause havoc with frame sizes as the split view tries to resize
+    // its subviews.
+    if (_IS_NUMERIC(proposedPosition))
+        position = proposedPosition;
 
     var proposedMax = [self maxPossiblePositionOfDividerAtIndex:dividerIndex],
         proposedMin = [self minPossiblePositionOfDividerAtIndex:dividerIndex],
         actualMax = proposedMax,
-        actualMin = proposedMin;
+        actualMin = proposedMin,
+        proposedActualMin = [self _sendDelegateSplitViewConstrainMinCoordinate:proposedMin ofSubviewAt:dividerIndex],
+        proposedActualMax = [self _sendDelegateSplitViewConstrainMaxCoordinate:proposedMax ofSubviewAt:dividerIndex];
 
-    if ([_delegate respondsToSelector:@selector(splitView:constrainMinCoordinate:ofSubviewAt:)])
-    {
-        var proposedActualMin = [_delegate splitView:self constrainMinCoordinate:proposedMin ofSubviewAt:dividerIndex];
+    if (_IS_NUMERIC(proposedActualMin))
+        actualMin = proposedActualMin;
 
-        if (_IS_NUMERIC(proposedActualMin))
-            actualMin = proposedActualMin;
-    }
-
-    if ([_delegate respondsToSelector:@selector(splitView:constrainMaxCoordinate:ofSubviewAt:)])
-    {
-        var proposedActualMax = [_delegate splitView:self constrainMaxCoordinate:proposedMax ofSubviewAt:dividerIndex];
-
-        if (_IS_NUMERIC(proposedActualMax))
-            actualMax = proposedActualMax;
-    }
+    if (_IS_NUMERIC(proposedActualMax))
+        actualMax = proposedActualMax;
 
     var viewA = _subviews[dividerIndex],
         viewB = _subviews[dividerIndex + 1],
         realPosition = MAX(MIN(position, actualMax), actualMin);
 
     // Is this position past the halfway point to collapse?
-    if (position < proposedMin + (actualMin - proposedMin) / 2)
-        if ([_delegate respondsToSelector:@selector(splitView:canCollapseSubview:)])
-            if ([_delegate splitView:self canCollapseSubview:viewA])
-                realPosition = proposedMin;
+    if ((position < proposedMin + (actualMin - proposedMin) / 2) && [self _sendDelegateSplitViewCanCollapseSubview:viewA])
+        realPosition = proposedMin;
 
     // We can also collapse to the right.
-    if (position > proposedMax - (proposedMax - actualMax) / 2)
-        if ([_delegate respondsToSelector:@selector(splitView:canCollapseSubview:)])
-            if ([_delegate splitView:self canCollapseSubview:viewB])
-                realPosition = proposedMax;
+    if ((position > proposedMax - (proposedMax - actualMax) / 2) && [self _sendDelegateSplitViewCanCollapseSubview:viewB])
+        realPosition = proposedMax;
 
     return realPosition;
 }
@@ -787,9 +775,9 @@ var ShouldSuppressResizeNotifications   = 1,
 
 - (void)resizeSubviewsWithOldSize:(CGSize)oldSize
 {
-    if ([_delegate respondsToSelector:@selector(splitView:resizeSubviewsWithOldSize:)])
+    if ([self _delegateRespondsToSplitViewResizeSubviewsWithOldSize])
     {
-        [_delegate splitView:self resizeSubviewsWithOldSize:oldSize];
+        [self _sendDelegateSplitViewResizeSubviewsWithOldSize:oldSize];
         return;
     }
 
@@ -815,8 +803,7 @@ var ShouldSuppressResizeNotifications   = 1,
         oldFlexibleSpace = 0,
         totalSizablePanes = 0,
         isSizableMap = {},
-        viewSizes = [],
-        delegateRespondsToShouldAdjust = [_delegate respondsToSelector:@selector(splitView:shouldAdjustSizeOfSubview:)];
+        viewSizes = [];
 
     // What we want to do is to preserve non resizable sizes first, and then to preserve the ratio of size to available
     // non fixed space for every other subview. E.g. assume fixed space was 20 pixels initially, view 1 was 20 and
@@ -832,7 +819,7 @@ var ShouldSuppressResizeNotifications   = 1,
     for (index = 0; index < count; ++index)
     {
         var view = _subviews[index],
-            isSizable = !delegateRespondsToShouldAdjust || [_delegate splitView:self shouldAdjustSizeOfSubview:view],
+            isSizable = [self _sendDelegateSplitViewShouldAdjustSizeOfSubview:view],
             size = [view frame].size[_sizeComponent];
 
         isSizableMap[index] = isSizable;
@@ -958,25 +945,47 @@ The sum of the views and the sum of the dividers should be equal to the size of
 
     @param delegate - The delegate of the splitview.
 */
-- (void)setDelegate:(id)delegate
+- (void)setDelegate:(id <CPSplitViewDelegate>)aDelegate
 {
-    if ([_delegate respondsToSelector:@selector(splitViewDidResizeSubviews:)])
-        [[CPNotificationCenter defaultCenter] removeObserver:_delegate name:CPSplitViewDidResizeSubviewsNotification object:self];
+    if (_delegate === aDelegate)
+        return;
+
+    _delegate = aDelegate;
+    _implementedDelegateMethods = 0;
+
     if ([_delegate respondsToSelector:@selector(splitViewWillResizeSubviews:)])
-        [[CPNotificationCenter defaultCenter] removeObserver:_delegate name:CPSplitViewWillResizeSubviewsNotification object:self];
+        _implementedDelegateMethods |= CPSplitViewDelegate_splitViewWillResizeSubviews_;
 
-   _delegate = delegate;
+    if ([_delegate respondsToSelector:@selector(splitViewDidResizeSubviews:)])
+        _implementedDelegateMethods |= CPSplitViewDelegate_splitViewDidResizeSubviews_;
+
+    if ([_delegate respondsToSelector:@selector(splitView:canCollapseSubview:)])
+        _implementedDelegateMethods |= CPSplitViewDelegate_splitView_canCollapseSubview_;
+
+    if ([_delegate respondsToSelector:@selector(splitView:shouldAdjustSizeOfSubview:)])
+        _implementedDelegateMethods |= CPSplitViewDelegate_splitView_shouldAdjustSizeOfSubview_;
+
+    if ([_delegate respondsToSelector:@selector(splitView:shouldCollapseSubview:forDoubleClickOnDividerAtIndex:)])
+        _implementedDelegateMethods |= CPSplitViewDelegate_splitView_shouldCollapseSubview_forDoubleClickOnDividerAtIndex_;
+
+    if ([_delegate respondsToSelector:@selector(splitView:additionalEffectiveRectOfDividerAtIndex:)])
+        _implementedDelegateMethods |= CPSplitViewDelegate_splitView_additionalEffectiveRectOfDividerAtIndex_;
+
+    if ([_delegate respondsToSelector:@selector(splitView:effectiveRect:forDrawnRect:ofDividerAtIndex:)])
+        _implementedDelegateMethods |= CPSplitViewDelegate_splitView_effectiveRect_forDrawnRect_ofDividerAtIndex_;
+
+    if ([_delegate respondsToSelector:@selector(splitView:constrainMaxCoordinate:ofSubviewAt:)])
+        _implementedDelegateMethods |= CPSplitViewDelegate_splitView_constrainMaxCoordinate_ofSubviewAt_;
+
+    if ([_delegate respondsToSelector:@selector(splitView:constrainMinCoordinate:ofSubviewAt:)])
+        _implementedDelegateMethods |= CPSplitViewDelegate_splitView_constrainMinCoordinate_ofSubviewAt_;
+
+    if ([_delegate respondsToSelector:@selector(splitView:constrainSplitPosition:ofSubviewAt:)])
+        _implementedDelegateMethods |= CPSplitViewDelegate_splitView_constrainSplitPosition_ofSubviewAt_;
+
+    if ([_delegate respondsToSelector:@selector(splitView:resizeSubviewsWithOldSize:)])
+        _implementedDelegateMethods |= CPSplitViewDelegate_splitView_resizeSubviewsWithOldSize_;
 
-   if ([_delegate respondsToSelector:@selector(splitViewDidResizeSubviews:)])
-       [[CPNotificationCenter defaultCenter] addObserver:_delegate
-                                                selector:@selector(splitViewDidResizeSubviews:)
-                                                    name:CPSplitViewDidResizeSubviewsNotification
-                                                  object:self];
-   if ([_delegate respondsToSelector:@selector(splitViewWillResizeSubviews:)])
-       [[CPNotificationCenter defaultCenter] addObserver:_delegate
-                                                selector:@selector(splitViewWillResizeSubviews:)
-                                                    name:CPSplitViewWillResizeSubviewsNotification
-                                                  object:self];
 }
 
 /*!
@@ -1026,27 +1035,12 @@ The sum of the views and the sum of the dividers should be equal to the size of
 
 - (void)_postNotificationWillResize
 {
-    var userInfo = nil;
-
-    if (_currentDivider !== CPNotFound)
-        userInfo = @{ @"CPSplitViewDividerIndex": _currentDivider };
-
-    [[CPNotificationCenter defaultCenter] postNotificationName:CPSplitViewWillResizeSubviewsNotification
-                                                        object:self
-                                                      userInfo:userInfo];
+    [self _sendDelegateSplitViewWillResizeSubviews];
 }
 
 - (void)_postNotificationDidResize
 {
-    var userInfo = nil;
-
-    if (_currentDivider !== CPNotFound)
-        userInfo = @{ @"CPSplitViewDividerIndex": _currentDivider };
-
-    [[CPNotificationCenter defaultCenter] postNotificationName:CPSplitViewDidResizeSubviewsNotification
-                                                        object:self
-                                                      userInfo:userInfo];
-
+    [self _sendDelegateSplitViewDidResizeSubviews];
 
     // TODO Cocoa always autosaves on "viewDidEndLiveResize". If Cappuccino adds support for this we
     // should do the same.
@@ -1192,6 +1186,207 @@ The sum of the views and the sum of the dividers should be equal to the size of
 
 @end
 
+@implementation CPSplitView (CPTrackingArea)
+
+- (void)updateTrackingAreas
+{
+    [self removeAllTrackingAreas];
+
+    var options = CPTrackingCursorUpdate | CPTrackingActiveInKeyWindow;
+    
+    for (var i = 0; i < _subviews.length - 1; i++)
+        [self addTrackingArea:[[CPTrackingArea alloc] initWithRect:[self effectiveRectOfDividerAtIndex:i]
+                                                           options:options
+                                                             owner:self
+                                                          userInfo:nil]];
+}
+
+- (void)cursorUpdate:(CPEvent)anEvent
+{
+    if (_currentDivider === CPNotFound)
+        [self _updateResizeCursor:anEvent];
+}
+
+@end
+
+
+@implementation CPSplitView (CPSplitViewDelegate)
+
+/*!
+    @ignore
+    Return YES if the delegate implements splitView:resizeSubviewsWithOldSize:
+*/
+- (BOOL)_delegateRespondsToSplitViewResizeSubviewsWithOldSize
+{
+    return _implementedDelegateMethods & CPSplitViewDelegate_splitView_resizeSubviewsWithOldSize_;
+}
+
+/*!
+    @ignore
+    Return YES if the delegate implements splitView:canCollapseSubview:
+*/
+- (BOOL)_delegateRespondsToSplitViewCanCollapseSubview
+{
+    return _implementedDelegateMethods & CPSplitViewDelegate_splitView_canCollapseSubview_;
+}
+
+/*!
+    @ignore
+    Return YES if the delegate implements splitView:shouldCollapseSubview:forDoubleClickOnDividerAtIndex
+*/
+- (BOOL)_delegateRespondsToSplitViewshouldCollapseSubviewForDoubleClickOnDividerAtIndex
+{
+    return _implementedDelegateMethods & CPSplitViewDelegate_splitView_shouldCollapseSubview_forDoubleClickOnDividerAtIndex_;
+}
+
+
+/*!
+    @ignore
+    Call the delegate splitView:canCollapseSubview:
+*/
+- (BOOL)_sendDelegateSplitViewCanCollapseSubview:(CPView)aView
+{
+    if (!(_implementedDelegateMethods & CPSplitViewDelegate_splitView_canCollapseSubview_))
+        return NO;
+
+    return [_delegate splitView:self canCollapseSubview:aView];
+}
+
+/*!
+    @ignore
+    Call the delegate splitView:shouldAdjustSizeOfSubview:
+*/
+- (BOOL)_sendDelegateSplitViewShouldAdjustSizeOfSubview:(CPView)aView
+{
+    if (!(_implementedDelegateMethods & CPSplitViewDelegate_splitView_shouldAdjustSizeOfSubview_))
+        return YES;
+
+    return [_delegate splitView:self shouldAdjustSizeOfSubview:aView];
+}
+
+/*!
+    @ignore
+    Call the delegate splitView:shouldCollapseSubview:forDoubleClickOnDividerAtIndex:
+*/
+- (BOOL)_sendDelegateSplitViewShouldCollapseSubview:(CPView)aView forDoubleClickOnDividerAtIndex:(int)anIndex
+{
+    if (!(_implementedDelegateMethods & CPSplitViewDelegate_splitView_shouldCollapseSubview_forDoubleClickOnDividerAtIndex_))
+        return NO;
+
+    return [_delegate splitView:self shouldCollapseSubview:aView forDoubleClickOnDividerAtIndex:anIndex];
+}
+
+/*!
+    @ignore
+    Call the delegate splitView:additionalEffectiveRectOfDividerAtIndex:
+*/
+- (CGRect)_sendDelegateSplitViewAdditionalEffectiveRectOfDividerAtIndex:(int)anIndex
+{
+    if (!(_implementedDelegateMethods & CPSplitViewDelegate_splitView_additionalEffectiveRectOfDividerAtIndex_))
+        return nil;
+
+    return [_delegate splitView:self additionalEffectiveRectOfDividerAtIndex:anIndex];
+}
+
+/*!
+    @ignore
+    Call the delegate splitView:effectiveRect:forDrawnRect:ofDividerAtIndex:
+*/
+- (CGRect)_sendDelegateSplitViewEffectiveRect:(CGRect)proposedEffectiveRect forDrawnRect:(CGRect)drawnRect ofDividerAtIndex:(CPInteger)dividerIndex
+{
+    if (!(_implementedDelegateMethods & CPSplitViewDelegate_splitView_effectiveRect_forDrawnRect_ofDividerAtIndex_))
+        return proposedEffectiveRect;
+
+    return [_delegate splitView:self effectiveRect:proposedEffectiveRect forDrawnRect:drawnRect ofDividerAtIndex:dividerIndex];
+}
+
+/*!
+    @ignore
+    Call the delegate splitView:constrainMaxCoordinate:ofSubviewAt:
+*/
+- (float)_sendDelegateSplitViewConstrainMaxCoordinate:(float)proposedMax ofSubviewAt:(CPInteger)dividerIndex
+{
+    if (!(_implementedDelegateMethods & CPSplitViewDelegate_splitView_constrainMaxCoordinate_ofSubviewAt_))
+        return nil;
+
+    return [_delegate splitView:self constrainMaxCoordinate:proposedMax ofSubviewAt:dividerIndex];
+}
+
+/*!
+    @ignore
+    Call the delegate splitView:constrainMinCoordinate:ofSubviewAt:
+*/
+- (float)_sendDelegateSplitViewConstrainMinCoordinate:(float)proposedMin ofSubviewAt:(CPInteger)dividerIndex
+{
+    if (!(_implementedDelegateMethods & CPSplitViewDelegate_splitView_constrainMinCoordinate_ofSubviewAt_))
+        return nil;
+
+    return [_delegate splitView:self constrainMinCoordinate:proposedMin ofSubviewAt:dividerIndex];
+}
+
+/*!
+    @ignore
+    Call the delegate splitView:constrainSplitPosition:ofSubviewAt:
+*/
+- (float)_sendDelegateSplitViewConstrainSplitPosition:(float)proposedMax ofSubviewAt:(CPInteger)dividerIndex
+{
+    if (!(_implementedDelegateMethods & CPSplitViewDelegate_splitView_constrainSplitPosition_ofSubviewAt_))
+        return nil;
+
+    return [_delegate splitView:self constrainSplitPosition:proposedMax ofSubviewAt:dividerIndex];
+}
+
+/*!
+    @ignore
+    Call the delegate splitView:resizeSubviewsWithOldSize:
+*/
+- (void)_sendDelegateSplitViewResizeSubviewsWithOldSize:(CGSize)oldSize
+{
+    if (!(_implementedDelegateMethods & CPSplitViewDelegate_splitView_resizeSubviewsWithOldSize_))
+        return;
+
+    [_delegate splitView:self resizeSubviewsWithOldSize:oldSize];
+}
+
+/*!
+    @ignore
+    Call the delegate splitViewWillResizeSubviews:
+*/
+- (void)_sendDelegateSplitViewWillResizeSubviews
+{
+    var userInfo = nil;
+
+    if (_currentDivider !== CPNotFound)
+        userInfo = @{ @"CPSplitViewDividerIndex": _currentDivider };
+
+    if (_implementedDelegateMethods & CPSplitViewDelegate_splitViewWillResizeSubviews_)
+        [_delegate splitViewWillResizeSubviews:[[CPNotification alloc] initWithName:CPSplitViewWillResizeSubviewsNotification object:self userInfo:userInfo]];
+
+    [[CPNotificationCenter defaultCenter] postNotificationName:CPSplitViewWillResizeSubviewsNotification object:self userInfo:userInfo];
+}
+
+/*!
+    @ignore
+    Call the delegate splitViewDidResizeSubviews:
+*/
+- (void)_sendDelegateSplitViewDidResizeSubviews
+{
+    var userInfo = nil;
+
+    if (_currentDivider !== CPNotFound)
+        userInfo = @{ @"CPSplitViewDividerIndex": _currentDivider };
+
+    if (_implementedDelegateMethods & CPSplitViewDelegate_splitViewDidResizeSubviews_)
+        [_delegate splitViewDidResizeSubviews:[[CPNotification alloc] initWithName:CPSplitViewDidResizeSubviewsNotification object:self userInfo:userInfo]];
+
+    [[CPNotificationCenter defaultCenter] postNotificationName:CPSplitViewDidResizeSubviewsNotification object:self userInfo:userInfo];
+
+    [self updateTrackingAreas];
+}
+
+@end
+
+
 var CPSplitViewDelegateKey          = "CPSplitViewDelegateKey",
     CPSplitViewIsVerticalKey        = "CPSplitViewIsVerticalKey",
     CPSplitViewIsPaneSplitterKey    = "CPSplitViewIsPaneSplitterKey",

AppKit/CPStepper.j

@@ -25,7 +25,6 @@
 @import "CPTextField.j"
 
 
-
 /*!
     CPStepper is an implementation of Cocoa NSStepper.
 
@@ -53,9 +52,9 @@
     @param maxValue the maximal acceptable value of the stepper
     @return Initialized CPStepper
 */
-+ (CPStepper)stepperWithInitialValue:(float)aValue minValue:(float)aMinValue maxValue:(float)aMaxValue
++ (id)stepperWithInitialValue:(float)aValue minValue:(float)aMinValue maxValue:(float)aMaxValue
 {
-    var stepper = [[CPStepper alloc] initWithFrame:CGRectMakeZero()];
+    var stepper = [[self alloc] initWithFrame:CGRectMakeZero()];
 
     [stepper setDoubleValue:aValue];
     [stepper setMinValue:aMinValue];
@@ -75,14 +74,14 @@
 
     @return Initialized CPStepper
 */
-+ (CPStepper)stepper
++ (id)stepper
 {
     return [CPStepper stepperWithInitialValue:0.0 minValue:0.0 maxValue:59.0];
 }
 
 + (Class)_binderClassForBinding:(CPString)aBinding
 {
-    if (aBinding == CPValueBinding || aBinding == CPMinValueBinding || aBinding == CPMaxValueBinding)
+    if (aBinding === CPValueBinding || aBinding === CPMinValueBinding || aBinding === CPMaxValueBinding)
         return [_CPStepperValueBinder class];
 
     return [super _binderClassForBinding:aBinding];
@@ -90,7 +89,7 @@
 
 - (CPString)_replacementKeyPathForBinding:(CPString)aBinding
 {
-    if (aBinding == CPValueBinding)
+    if (aBinding === CPValueBinding)
         return @"doubleValue";
 
     return [super _replacementKeyPathForBinding:aBinding];
@@ -138,9 +137,16 @@
     [self setContinuous:_autorepeat];
     [self addSubview:_buttonDown];
 
+    [self _sizeToFit];
     [self setNeedsLayout];
 }
 
+- (void)setControlSize:(CPControlSize)aControlSize
+{
+    [super setControlSize:aControlSize];
+    [self _sizeToFit];
+}
+
 #pragma mark -
 #pragma mark Superclass overrides
 
@@ -159,8 +165,8 @@
 
 - (void)setFrame:(CGRect)aFrame
 {
-    var upSize = [self valueForThemeAttribute:@"up-button-size"],
-        downSize = [self valueForThemeAttribute:@"down-button-size"],
+    var upSize = [self currentValueForThemeAttribute:@"up-button-size"],
+        downSize = [self currentValueForThemeAttribute:@"down-button-size"],
         minSize = CGSizeMake(upSize.width, upSize.height + downSize.height),
         frame = CGRectMakeCopy(aFrame);
 
@@ -172,21 +178,22 @@
 /*! @ignore */
 - (void)layoutSubviews
 {
-    var aFrame = [self frame],
-        upSize = [self valueForThemeAttribute:@"up-button-size"],
-        downSize = [self valueForThemeAttribute:@"down-button-size"],
-        upFrame = CGRectMake(aFrame.size.width - upSize.width, 0, upSize.width, upSize.height),
-        downFrame = CGRectMake(aFrame.size.width - downSize.width, upSize.height, downSize.width, downSize.height);
+    var controlSizeThemeState = [self _controlSizeThemeState],
+        aFrame = [self frame],
+        upSize = [self valueForThemeAttribute:@"up-button-size" inState:controlSizeThemeState],
+        downSize = [self valueForThemeAttribute:@"down-button-size" inState:controlSizeThemeState],
+        upFrame = CGRectMake(0, 0, upSize.width, upSize.height),
+        downFrame = CGRectMake(0, upSize.height, downSize.width, downSize.height);
 
     [_buttonUp setFrame:upFrame];
     [_buttonDown setFrame:downFrame];
 
-    [_buttonUp setValue:[self valueForThemeAttribute:@"bezel-color-up-button" inState:CPThemeStateBordered] forThemeAttribute:@"bezel-color" inState:CPThemeStateBordered];
-    [_buttonUp setValue:[self valueForThemeAttribute:@"bezel-color-up-button" inState:CPThemeStateBordered | CPThemeStateDisabled] forThemeAttribute:@"bezel-color" inState:CPThemeStateBordered | CPThemeStateDisabled];
-    [_buttonUp setValue:[self valueForThemeAttribute:@"bezel-color-up-button" inState:CPThemeStateBordered | CPThemeStateHighlighted] forThemeAttribute:@"bezel-color" inState:CPThemeStateBordered | CPThemeStateHighlighted];
-    [_buttonDown setValue:[self valueForThemeAttribute:@"bezel-color-down-button" inState:CPThemeStateBordered] forThemeAttribute:@"bezel-color" inState:CPThemeStateBordered];
-    [_buttonDown setValue:[self valueForThemeAttribute:@"bezel-color-down-button" inState:CPThemeStateBordered | CPThemeStateDisabled] forThemeAttribute:@"bezel-color" inState:CPThemeStateBordered | CPThemeStateDisabled];
-    [_buttonDown setValue:[self valueForThemeAttribute:@"bezel-color-down-button" inState:CPThemeStateBordered | CPThemeStateHighlighted] forThemeAttribute:@"bezel-color" inState:CPThemeStateBordered | CPThemeStateHighlighted];
+    [_buttonUp setValue:[self valueForThemeAttribute:@"bezel-color-up-button" inStates:[controlSizeThemeState, CPThemeStateBordered]] forThemeAttribute:@"bezel-color" inState:CPThemeStateBordered];
+    [_buttonUp setValue:[self valueForThemeAttribute:@"bezel-color-up-button" inStates:[controlSizeThemeState, CPThemeStateBordered, CPThemeStateDisabled]] forThemeAttribute:@"bezel-color" inStates:[CPThemeStateBordered, CPThemeStateDisabled]];
+    [_buttonUp setValue:[self valueForThemeAttribute:@"bezel-color-up-button" inStates:[controlSizeThemeState, CPThemeStateBordered, CPThemeStateHighlighted]] forThemeAttribute:@"bezel-color" inStates:[CPThemeStateBordered, CPThemeStateHighlighted]];
+    [_buttonDown setValue:[self valueForThemeAttribute:@"bezel-color-down-button" inStates:[controlSizeThemeState, CPThemeStateBordered]] forThemeAttribute:@"bezel-color" inState:CPThemeStateBordered];
+    [_buttonDown setValue:[self valueForThemeAttribute:@"bezel-color-down-button" inStates:[controlSizeThemeState, CPThemeStateBordered, CPThemeStateDisabled]] forThemeAttribute:@"bezel-color" inStates:[CPThemeStateBordered, CPThemeStateDisabled]];
+    [_buttonDown setValue:[self valueForThemeAttribute:@"bezel-color-down-button" inStates:[controlSizeThemeState, CPThemeStateBordered, CPThemeStateHighlighted]] forThemeAttribute:@"bezel-color" inStates:[CPThemeStateBordered, CPThemeStateHighlighted]];
 }
 
 - (void)_sizeToFit
@@ -232,7 +239,7 @@
     if (![self isEnabled])
         return;
 
-    if (aSender == _buttonUp)
+    if (aSender === _buttonUp)
         [self setDoubleValue:([self doubleValue] + _increment)];
     else
         [self setDoubleValue:([self doubleValue] - _increment)];
@@ -285,7 +292,7 @@
 
 - (void)_updatePlaceholdersWithOptions:(CPDictionary)options forBinding:(CPString)aBinding
 {
-    var placeholder = (aBinding == CPMaxValueBinding) ? [_source maxValue] : [_source minValue];
+    var placeholder = (aBinding === CPMaxValueBinding) ? [_source maxValue] : [_source minValue];
 
     [super _updatePlaceholdersWithOptions:options];
 

AppKit/CPTabView.j

@@ -25,6 +25,7 @@
 @import "CPTabViewItem.j"
 @import "CPView.j"
 
+@typedef CPTabViewType
 CPTopTabsBezelBorder     = 0;
 //CPLeftTabsBezelBorder  = 1;
 CPBottomTabsBezelBorder  = 2;
@@ -33,10 +34,24 @@ CPNoTabsBezelBorder      = 4; //Displays no tabs and has a bezeled border.
 CPNoTabsLineBorder       = 5; //Has no tabs and displays a line border.
 CPNoTabsNoBorder         = 6; //Displays no tabs and no border.
 
-var CPTabViewDidSelectTabViewItemSelector           = 1,
-    CPTabViewShouldSelectTabViewItemSelector        = 2,
-    CPTabViewWillSelectTabViewItemSelector          = 4,
-    CPTabViewDidChangeNumberOfTabViewItemsSelector  = 8;
+@class _CPTabViewBox
+
+var CPTabViewDidSelectTabViewItemSelector           = 1 << 1,
+    CPTabViewShouldSelectTabViewItemSelector        = 1 << 2,
+    CPTabViewWillSelectTabViewItemSelector          = 1 << 3,
+    CPTabViewDidChangeNumberOfTabViewItemsSelector  = 1 << 4;
+
+
+@protocol CPTabViewDelegate <CPObject>
+
+@optional
+- (BOOL)tabView:(CPTabView)tabView shouldSelectTabViewItem:(CPTabViewItem)tabViewItem;
+- (void)tabView:(CPTabView)tabView didSelectTabViewItem:(CPTabViewItem)tabViewItem;
+- (void)tabView:(CPTabView)tabView willSelectTabViewItem:(CPTabViewItem)tabViewItem;
+- (void)tabViewDidChangeNumberOfTabViewItems:(CPTabView)tabView;
+
+@end
+
 
 /*!
     @ingroup appkit
@@ -48,27 +63,27 @@ var CPTabViewDidSelectTabViewItemSelector           = 1,
 */
 @implementation CPTabView : CPView
 {
-    CPArray             _items;
+    CPArray                 _items;
 
-    CPSegmentedControl  _tabs;
-    CPBox               _box;
+    CPSegmentedControl      _tabs;
+    _CPTabViewBox           _box;
+    CPView                  _placeHolderView;
 
-    CPNumber            _selectedIndex;
+    CPTabViewItem           _selectedTabViewItem;
 
-    CPTabViewType       _type;
-    CPFont              _font;
+    CPTabViewType           _type;
+    CPFont                  _font;
 
-    id                  _delegate;
-    unsigned            _delegateSelectors;
+    id <CPTabViewDelegate>  _delegate;
+    unsigned                _delegateSelectors;
 }
 
 - (id)initWithFrame:(CGRect)aFrame
 {
     if (self = [super initWithFrame:aFrame])
     {
-        _items = [CPArray array];
-
         [self _init];
+        _selectedTabViewItem = nil;
         [self setTabViewType:CPTopTabsBezelBorder];
     }
 
@@ -77,19 +92,26 @@ var CPTabViewDidSelectTabViewItemSelector           = 1,
 
 - (void)_init
 {
-    _selectedIndex = CPNotFound;
-
-    _tabs = [[CPSegmentedControl alloc] initWithFrame:CGRectMake(0, 0, 0, 0)];
+    _tabs = [[CPSegmentedControl alloc] initWithFrame:CGRectMakeZero()];
     [_tabs setHitTests:NO];
+    [_tabs setSegments:[CPArray array]];
 
-    var height = [_tabs valueForThemeAttribute:@"default-height"];
+    var height = [_tabs valueForThemeAttribute:@"min-size"].height;
     [_tabs setFrameSize:CGSizeMake(0, height)];
 
-    _box = [[CPBox alloc] initWithFrame:[self  bounds]];
+    _box = [[_CPTabViewBox alloc] initWithFrame:[self  bounds]];
+    [_box setTabView:self];
     [self setBackgroundColor:[CPColor colorWithCalibratedWhite:0.95 alpha:1.0]];
 
     [self addSubview:_box];
     [self addSubview:_tabs];
+
+    _placeHolderView = nil;
+}
+
+- (CPArray)items
+{
+    return [_tabs segments];
 }
 
 // Adding and Removing Tabs
@@ -99,7 +121,7 @@ var CPTabViewDidSelectTabViewItemSelector           = 1,
 */
 - (void)addTabViewItem:(CPTabViewItem)aTabViewItem
 {
-    [self insertTabViewItem:aTabViewItem atIndex:[_items count]];
+    [self insertTabViewItem:aTabViewItem atIndex:[self numberOfTabViewItems]];
 }
 
 /*!
@@ -109,15 +131,18 @@ var CPTabViewDidSelectTabViewItemSelector           = 1,
 */
 - (void)insertTabViewItem:(CPTabViewItem)aTabViewItem atIndex:(CPUInteger)anIndex
 {
-    [_items insertObject:aTabViewItem atIndex:anIndex];
+    [self _insertTabViewItems:[aTabViewItem] atIndexes:[CPIndexSet indexSetWithIndex:anIndex]];
+}
 
-    [self _updateItems];
-    [self _repositionTabs];
+- (void)_insertTabViewItems:(CPArray)tabViewItems atIndexes:(CPIndexSet)indexes
+{
+    [_tabs insertSegments:tabViewItems atIndexes:indexes];
+    [tabViewItems makeObjectsPerformSelector:@selector(_setTabView:) withObject:self];
 
-    [aTabViewItem _setTabView:self];
+    [self tileWithChangedItem:[tabViewItems firstObject]];
+    [self _reverseSetContent];
 
-    if (_delegateSelectors & CPTabViewDidChangeNumberOfTabViewItemsSelector)
-        [_delegate tabViewDidChangeNumberOfTabViewItems:self];
+    [self _sendDelegateTabViewDidChangeNumberOfTabViewItems];
 }
 
 /*!
@@ -126,23 +151,39 @@ var CPTabViewDidSelectTabViewItemSelector           = 1,
 */
 - (void)removeTabViewItem:(CPTabViewItem)aTabViewItem
 {
-    var count = [_items count];
-    for (var i = 0; i < count; i++)
-    {
-        if ([_items objectAtIndex:i] === aTabViewItem)
-        {
-            [_items removeObjectAtIndex:i];
-            break;
-        }
-    }
+    var idx = [[self items] indexOfObjectIdenticalTo:aTabViewItem];
 
-    [self _updateItems];
-    [self _repositionTabs];
+    if (idx == CPNotFound)
+        return;
 
+    [_tabs removeSegmentsAtIndexes:[CPIndexSet indexSetWithIndex:idx]];
     [aTabViewItem _setTabView:nil];
 
-    if (_delegateSelectors & CPTabViewDidChangeNumberOfTabViewItemsSelector)
-        [_delegate tabViewDidChangeNumberOfTabViewItems:self];
+    [self tileWithChangedItem:nil];
+    [self _didRemoveTabViewItem:aTabViewItem atIndex:idx];
+    [self _reverseSetContent];
+
+    [self _sendDelegateTabViewDidChangeNumberOfTabViewItems];
+}
+
+- (void)_didRemoveTabViewItem:(CPTabViewItem)aTabViewItem atIndex:(CPInteger)idx
+{
+    // If the selection is managed by bindings, let the binder do that.
+    if ([self binderForBinding:CPSelectionIndexesBinding] || [self binderForBinding:CPSelectedIndexBinding])
+        return;
+
+    if (_selectedTabViewItem == aTabViewItem)
+    {
+        var didSelect = NO;
+
+        if (idx > 0)
+            didSelect = [self selectTabViewItemAtIndex:idx - 1];
+        else if ([self numberOfTabViewItems] > 0)
+            didSelect = [self selectTabViewItemAtIndex:0];
+
+        if (didSelect == NO)
+            _selectedTabViewItem == nil;
+    }
 }
 
 // Accessing Tabs
@@ -153,7 +194,7 @@ var CPTabViewDidSelectTabViewItemSelector           = 1,
 */
 - (int)indexOfTabViewItem:(CPTabViewItem)aTabViewItem
 {
-    return [_items indexOfObjectIdenticalTo:aTabViewItem];
+    return [[self items] indexOfObjectIdenticalTo:aTabViewItem];
 }
 
 /*!
@@ -163,11 +204,10 @@ var CPTabViewDidSelectTabViewItemSelector           = 1,
 */
 - (int)indexOfTabViewItemWithIdentifier:(CPString)anIdentifier
 {
-    for (var index = [_items count]; index >= 0; index--)
-        if ([[_items[index] identifier] isEqual:anIdentifier])
-            return index;
-
-    return CPNotFound;
+    return [[self items] indexOfObjectPassingTest:function(item, idx, stop)
+    {
+        return [[item identifier] isEqual:anIdentifier];
+    }];
 }
 
 /*!
@@ -176,7 +216,7 @@ var CPTabViewDidSelectTabViewItemSelector           = 1,
 */
 - (unsigned)numberOfTabViewItems
 {
-    return [_items count];
+    return [[self items] count];
 }
 
 /*!
@@ -185,7 +225,7 @@ var CPTabViewDidSelectTabViewItemSelector           = 1,
 */
 - (CPTabViewItem)tabViewItemAtIndex:(CPUInteger)anIndex
 {
-    return [_items objectAtIndex:anIndex];
+    return [[self items] objectAtIndex:anIndex];
 }
 
 /*!
@@ -194,7 +234,7 @@ var CPTabViewDidSelectTabViewItemSelector           = 1,
 */
 - (CPArray)tabViewItems
 {
-    return [_items copy]; // Copy?
+    return [[self items] copy]; // Copy?
 }
 
 // Selecting a Tab
@@ -204,7 +244,7 @@ var CPTabViewDidSelectTabViewItemSelector           = 1,
 */
 - (void)selectFirstTabViewItem:(id)aSender
 {
-    if ([_items count] === 0)
+    if ([self numberOfTabViewItems] === 0)
         return; // throw?
 
     [self selectTabViewItemAtIndex:0];
@@ -216,10 +256,10 @@ var CPTabViewDidSelectTabViewItemSelector           = 1,
 */
 - (void)selectLastTabViewItem:(id)aSender
 {
-    if ([_items count] === 0)
+    if ([self numberOfTabViewItems] === 0)
         return; // throw?
 
-    [self selectTabViewItemAtIndex:[_items count] - 1];
+    [self selectTabViewItemAtIndex:[self numberOfTabViewItems] - 1];
 }
 
 /*!
@@ -228,12 +268,12 @@ var CPTabViewDidSelectTabViewItemSelector           = 1,
 */
 - (void)selectNextTabViewItem:(id)aSender
 {
-    if (_selectedIndex === CPNotFound)
+    if (_selectedTabViewItem === nil)
         return;
 
-    var nextIndex = _selectedIndex + 1;
+    var nextIndex = [self indexOfTabViewItem:_selectedTabViewItem] + 1;
 
-    if (nextIndex === [_items count])
+    if (nextIndex === [self numberOfTabViewItems])
         // does nothing. According to spec at (http://developer.apple.com/mac/library/DOCUMENTATION/Cocoa/Reference/ApplicationKit/Classes/NSTabView_Class/Reference/Reference.html#//apple_ref/occ/instm/NSTabView/selectNextTabViewItem:)
         return;
 
@@ -246,10 +286,10 @@ var CPTabViewDidSelectTabViewItemSelector           = 1,
 */
 - (void)selectPreviousTabViewItem:(id)aSender
 {
-    if (_selectedIndex === CPNotFound)
+    if (_selectedTabViewItem === nil)
         return;
 
-    var previousIndex = _selectedIndex - 1;
+    var previousIndex = [self indexOfTabViewItem:_selectedTabViewItem] - 1;
 
     if (previousIndex < 0)
         return; // does nothing. See above.
@@ -272,22 +312,32 @@ var CPTabViewDidSelectTabViewItemSelector           = 1,
 */
 - (BOOL)selectTabViewItemAtIndex:(CPUInteger)anIndex
 {
-    if (anIndex === _selectedIndex)
-        return;
-
-    var aTabViewItem = [self tabViewItemAtIndex:anIndex];
-
-    if ((_delegateSelectors & CPTabViewShouldSelectTabViewItemSelector) && ![_delegate tabView:self shouldSelectTabViewItem:aTabViewItem])
+    if (![self _selectTabViewItemAtIndex:anIndex])
         return NO;
 
-    if (_delegateSelectors & CPTabViewWillSelectTabViewItemSelector)
-        [_delegate tabView:self willSelectTabViewItem:aTabViewItem];
+    [self _reverseSetSelectedIndex];
 
-    [_tabs selectSegmentWithTag:anIndex];
-    [self _setSelectedIndex:anIndex];
+    return YES;
+}
 
-    if (_delegateSelectors & CPTabViewDidSelectTabViewItemSelector)
-        [_delegate tabView:self didSelectTabViewItem:aTabViewItem];
+// Like selectTabViewItemAtIndex: but without bindings interaction
+- (BOOL)_selectTabViewItemAtIndex:(CPUInteger)anIndex
+{
+    var aTabViewItem = [self tabViewItemAtIndex:anIndex];
+
+    if (aTabViewItem == _selectedTabViewItem)
+        return NO;
+
+    if (![self _sendDelegateShouldSelectTabViewItem:aTabViewItem])
+        return NO;
+
+    [self _sendDelegateWillSelectTabViewItem:aTabViewItem];
+
+    [_tabs setSelectedSegment:anIndex];
+    _selectedTabViewItem = aTabViewItem;
+    [self _displayItemView:[aTabViewItem view]];
+
+    [self _sendDelegateDidSelectTabViewItem:aTabViewItem];
 
     return YES;
 }
@@ -298,10 +348,7 @@ var CPTabViewDidSelectTabViewItemSelector           = 1,
 */
 - (CPTabViewItem)selectedTabViewItem
 {
-    if (_selectedIndex != CPNotFound)
-        return [_items objectAtIndex:_selectedIndex];
-
-    return nil;
+    return _selectedTabViewItem;
 }
 
 // Modifying the font
@@ -362,6 +409,14 @@ var CPTabViewDidSelectTabViewItemSelector           = 1,
     [self setNeedsLayout];
 }
 
+- (void)tileWithChangedItem:(CPTabViewItem)aTabViewItem
+{
+    var segment = aTabViewItem ? [self indexOfTabViewItem:aTabViewItem] : 0;
+    [_tabs tileWithChangedSegment:segment];
+
+    [self setNeedsLayout];
+}
+
 - (void)layoutSubviews
 {
     // Even if CPTabView's autoresizesSubviews is NO, _tabs and _box has to be laid out.
@@ -405,7 +460,7 @@ var CPTabViewDidSelectTabViewItemSelector           = 1,
     Sets the delegate for this tab view.
     @param aDelegate the tab view's delegate
 */
-- (void)setDelegate:(id)aDelegate
+- (void)setDelegate:(id <CPTabViewDelegate>)aDelegate
 {
     if (_delegate == aDelegate)
         return;
@@ -456,30 +511,238 @@ var CPTabViewDidSelectTabViewItemSelector           = 1,
         [_tabs setCenter:CGPointMake(horizontalCenterOfSelf, verticalCenterOfTabs)];
 }
 
-- (void)_setSelectedIndex:(CPNumber)index
+- (void)_displayItemView:(CPView)aView
 {
-    _selectedIndex = index;
-    [self _setContentViewFromItem:[_items objectAtIndex:_selectedIndex]];
+    [_box setContentView:aView];
 }
 
-- (void)_setContentViewFromItem:(CPTabViewItem)anItem
+// DELEGATE METHODS
+
+- (BOOL)_sendDelegateShouldSelectTabViewItem:(CPTabViewItem)aTabViewItem
 {
-    [_box setContentView:[anItem view]];
+    if (_delegateSelectors & CPTabViewShouldSelectTabViewItemSelector)
+        return [_delegate tabView:self shouldSelectTabViewItem:aTabViewItem];
+
+    return YES;
 }
 
-- (void)_updateItems
+- (void)_sendDelegateWillSelectTabViewItem:(CPTabViewItem)aTabViewItem
 {
-    var count = [_items count];
-    [_tabs setSegmentCount:count];
+    if (_delegateSelectors & CPTabViewWillSelectTabViewItemSelector)
+        [_delegate tabView:self willSelectTabViewItem:aTabViewItem];
+}
 
-    for (var i = 0; i < count; i++)
+- (void)_sendDelegateDidSelectTabViewItem:(CPTabViewItem)aTabViewItem
+{
+    if (_delegateSelectors & CPTabViewDidSelectTabViewItemSelector)
+        [_delegate tabView:self didSelectTabViewItem:aTabViewItem];
+}
+
+- (void)_sendDelegateTabViewDidChangeNumberOfTabViewItems
+{
+    if (_delegateSelectors & CPTabViewDidChangeNumberOfTabViewItemsSelector)
+        [_delegate tabViewDidChangeNumberOfTabViewItems:self];
+}
+
+@end
+
+@implementation CPTabView (BindingSupport)
+
++ (Class)_binderClassForBinding:(CPString)aBinding
+{
+    if (aBinding == CPContentBinding)
+        return [_CPTabViewContentBinder class];
+    else if (aBinding == CPSelectionIndexesBinding || aBinding == CPSelectedIndexBinding)
+        return [_CPTabViewSelectionBinder class];
+
+    return [super _binderClassForBinding:aBinding];
+}
+
++ (BOOL)isBindingExclusive:(CPString)aBinding
+{
+    return (aBinding == CPSelectionIndexesBinding || aBinding == CPSelectedIndexBinding);
+}
+
+- (void)_reverseSetContent
+{
+    var theBinder = [self binderForBinding:CPContentBinding];
+    [theBinder reverseSetValueFor:@"items"];
+}
+
+- (void)_reverseSetSelectedIndex
+{
+    var theBinder = [self binderForBinding:CPSelectionIndexesBinding];
+
+    if (theBinder !== nil)
+        [theBinder reverseSetValueFor:@"selectionIndexes"];
+    else
     {
-        [_tabs setLabel:[[_items objectAtIndex:i] label] forSegment:i];
-        [_tabs setTag:i forSegment:i];
+        theBinder = [self binderForBinding:CPSelectedIndexBinding];
+        [theBinder reverseSetValueFor:@"selectedIndex"];
+    }
+}
+
+- (CPBinder)binderForBinding:(CPString)aBinding
+{
+    var cls = [[self class] _binderClassForBinding:aBinding]
+    return [cls getBinding:aBinding forObject:self];
+}
+
+- (void)setItems:(CPArray)tabViewItems
+{
+    if ([tabViewItems isEqualToArray:[_tabs segments]])
+        return;
+
+    [[self items] makeObjectsPerformSelector:@selector(_setTabView:) withObject:nil];
+    [_tabs setSegments:tabViewItems];
+    [tabViewItems makeObjectsPerformSelector:@selector(_setTabView:) withObject:self];
+
+    [self tileWithChangedItem:nil];
+
+    // Update the selection because setSegments: did remove all previous segments AND the selection.
+    [_tabs setSelectedSegment:[self indexOfTabViewItem:_selectedTabViewItem]];
+
+    // should we send delegate methods in bindings mode ?
+    //[self _delegateTabViewDidChangeNumberOfTabViewItems:self];
+}
+
+- (void)_deselectAll
+{
+    [_tabs setSelectedSegment:-1];
+    _selectedTabViewItem = nil;
+}
+
+- (void)_displayPlaceholder:(CPString)aPlaceholder
+{
+    if (_placeHolderView == nil)
+    {
+        _placeHolderView = [[CPView alloc] initWithFrame:CGRectMakeZero()];
+        var textField = [[CPTextField alloc] initWithFrame:CGRectMakeZero()];
+        [textField setTag:1000];
+        [textField setTextColor:[CPColor whiteColor]];
+        [textField setFont:[CPFont boldFontWithName:@"Geneva" size:18 italic:YES]];
+        [_placeHolderView addSubview:textField];
     }
 
-    if (_selectedIndex === CPNotFound)
-        [self selectFirstTabViewItem:self];
+    var textField = [_placeHolderView viewWithTag:1000];
+    [textField setStringValue:aPlaceholder];
+    [textField sizeToFit];
+
+    var boxBounds = [_box bounds],
+        textFieldBounds = [textField bounds],
+        origin = CGPointMake(CGRectGetWidth(boxBounds)/2 - CGRectGetWidth(textFieldBounds)/2, CGRectGetHeight(boxBounds)/2 - CGRectGetHeight(textFieldBounds));
+
+    [textField setFrameOrigin:origin];
+
+    [self _displayItemView:_placeHolderView];
+}
+
+#pragma mark -
+#pragma mark Override
+
+/*!
+    Enabled controls accept first mouse by default.
+*/
+- (BOOL)acceptsFirstMouse:(CPEvent)anEvent
+{
+    return YES;
+}
+
+@end
+
+var _CPTabViewContentBinderNull = @"NO CONTENT";
+
+@implementation _CPTabViewContentBinder : CPBinder
+{
+}
+
+- (void)_updatePlaceholdersWithOptions:(CPDictionary)options
+{
+    [super _updatePlaceholdersWithOptions:options];
+    [self _setPlaceholder:_CPTabViewContentBinderNull forMarker:CPNullMarker isDefault:YES];
+}
+
+- (void)setPlaceholderValue:(id)aValue withMarker:(CPString)aMarker forBinding:(CPString)aBinding
+{
+    [_source setItems:@[]];
+    [_source _setPlaceholderView:aValue];
+}
+
+- (void)setValue:(id)aValue forBinding:(CPString)aBinding
+{
+    [_source setItems:aValue];
+}
+
+- (id)valueForBinding:(CPString)aBinding
+{
+    return [_source items];
+}
+
+@end
+
+var _CPTabViewSelectionBinderMultipleValues = @"Multiple Selection",
+    _CPTabViewSelectionBinderNoSelection = @"No Selection";
+
+@implementation _CPTabViewSelectionBinder : CPBinder
+{
+}
+
+- (void)_updatePlaceholdersWithOptions:(CPDictionary)options
+{
+    [super _updatePlaceholdersWithOptions:options];
+
+    [self _setPlaceholder:_CPTabViewSelectionBinderMultipleValues forMarker:CPMultipleValuesMarker isDefault:YES];
+    [self _setPlaceholder:_CPTabViewSelectionBinderNoSelection forMarker:CPNoSelectionMarker isDefault:YES];
+}
+
+- (void)setPlaceholderValue:(id)aValue withMarker:(CPString)aMarker forBinding:(CPString)aBinding
+{
+    if (aMarker == CPNoSelectionMarker || aMarker == CPNullMarker)
+        [_source _deselectAll];
+
+    [_source _displayPlaceholder:aValue];
+}
+
+- (void)setValue:(id)aValue forBinding:(CPString)aBinding
+{
+    if (aBinding == CPSelectionIndexesBinding)
+    {
+        if (aValue == nil || [aValue count] == 0)
+        {
+            [_source _deselectAll];
+            [_source _displayPlaceholder:_CPTabViewSelectionBinderNoSelection];
+        }
+        else if ([aValue count] > 1)
+            [_source _displayPlaceholder:_CPTabViewSelectionBinderMultipleValues];
+        else if ([aValue firstIndex] < [_source numberOfTabViewItems])
+            [_source _selectTabViewItemAtIndex:[aValue firstIndex]];
+    }
+    else if (aBinding == CPSelectedIndexBinding)
+    {
+        if (aValue == CPNotFound)
+        {
+            [_source _deselectAll];
+            [_source _displayPlaceholder:_CPTabViewSelectionBinderNoSelection];
+        }
+        else if (aValue < [_source numberOfTabViewItems])
+            [_source _selectTabViewItemAtIndex:aValue];
+    }
+}
+
+- (id)valueForBinding:(CPString)aBinding
+{
+    if (aBinding == CPSelectionIndexesBinding)
+    {
+        var result = [CPIndexSet indexSet],
+            idx = [_source indexOfTabViewItem:[_source selectedTabViewItem]];
+
+        if (idx !== CPNotFound)
+            [result addIndex:idx];
+
+        return result;
+    }
+    else if (aBinding == CPSelectedIndexBinding)
+        return [_source indexOfTabViewItem:[_source selectedTabViewItem]];
 }
 
 @end
@@ -501,12 +764,13 @@ var CPTabViewItemsKey               = "CPTabViewItemsKey",
         _font = [aCoder decodeObjectForKey:CPTabViewFontKey];
         [_tabs setFont:_font];
 
-        _items = [aCoder decodeObjectForKey:CPTabViewItemsKey];
-        [_items makeObjectsPerformSelector:@selector(_setTabView:) withObject:self];
+        var items = [aCoder decodeObjectForKey:CPTabViewItemsKey] || [CPArray array];
+        [self _insertTabViewItems:items atIndexes:[CPIndexSet indexSetWithIndexesInRange:CPMakeRange(0, [items count])]];
 
         [self setDelegate:[aCoder decodeObjectForKey:CPTabViewDelegateKey]];
 
-        self.selectOnAwake = [aCoder decodeObjectForKey:CPTabViewSelectedItemKey];
+        _selectedTabViewItem = [aCoder decodeObjectForKey:CPTabViewSelectedItemKey];
+
         _type = [aCoder decodeIntForKey:CPTabViewTypeKey];
     }
 
@@ -515,14 +779,23 @@ var CPTabViewItemsKey               = "CPTabViewItemsKey",
 
 - (void)awakeFromCib
 {
+    [super awakeFromCib];
+
     // This cannot be run in initWithCoder because it might call selectTabViewItem:, which is
     // not safe to call before the views of the tab views items are fully decoded.
-    [self _updateItems];
 
-    if (self.selectOnAwake)
+    if (_selectedTabViewItem)
     {
-        [self selectTabViewItem:self.selectOnAwake];
-        delete self.selectOnAwake;
+        var idx = [self indexOfTabViewItem:_selectedTabViewItem];
+
+        if (idx !== CPNotFound)
+        {
+            // Temporarily set the selected item to not selected.
+            // It allows the initial selection to be made correctly.
+            _selectedTabViewItem = nil;
+
+            [self selectTabViewItemAtIndex:idx];
+        }
     }
 
     var type = _type;
@@ -544,9 +817,7 @@ var CPTabViewItemsKey               = "CPTabViewItemsKey",
 
     [aCoder encodeObject:_items forKey:CPTabViewItemsKey];
 
-    var selected = [self selectedTabViewItem];
-    if (selected)
-        [aCoder encodeObject:selected forKey:CPTabViewSelectedItemKey];
+    [aCoder encodeConditionalObject:_selectedTabViewItem forKey:CPTabViewSelectedItemKey];
 
     [aCoder encodeInt:_type forKey:CPTabViewTypeKey];
     [aCoder encodeObject:_font forKey:CPTabViewFontKey];
@@ -555,3 +826,26 @@ var CPTabViewItemsKey               = "CPTabViewItemsKey",
 }
 
 @end
+
+@implementation _CPTabViewBox : CPBox
+{
+    CPTabView _tabView @accessors(property=tabView);
+}
+
+
+#pragma mark -
+#pragma mark Override
+
+- (CPView)hitTest:(CGPoint)aPoint
+{
+    // Here we check if we have clicked on the segmentedControl of the tabView or not
+    // If YES, the CPBox should not handle the click
+    var segmentIndex = [_tabView._tabs testSegment:[_tabView._tabs convertPoint:aPoint fromView:[self superview]]];
+
+    if (segmentIndex != CPNotFound)
+        return nil;
+
+    return [super hitTest:aPoint];
+}
+
+@end

AppKit/CPTabViewItem.j

@@ -23,7 +23,8 @@
 @import <Foundation/CPObject.j>
 
 @import "CPView.j"
-
+@class CPTabView
+@class CPViewController
 
 /*
     The tab is currently selected.
@@ -53,14 +54,34 @@ CPPressedTab    = 2;
 */
 @implementation CPTabViewItem : CPObject
 {
-    id          _identifier;
-    CPString    _label;
+    id               _identifier;
+    CPString         _label;
+    CPInteger        _tag            @accessors(property=tag);
 
-    CPView      _view;
-    CPView      _auxiliaryView;
+    CPView           _view;
+    CPView           _auxiliaryView;
 
-    CPTabView   _tabView;
-    unsigned    _tabState;      // Looks like it is not yet implemented
+    CPTabView        _tabView;
+    unsigned         _tabState;      // Looks like it is not yet implemented
+
+    CPImage          _image          @accessors(property=image);
+    CPViewController _viewController @accessors(getter=viewController);
+
+    BOOL             _enabled        @accessors(property=enabled);
+    BOOL             _selected       @accessors(property=selected);
+    CGRect           _tabRect        @accessors(property=frame);
+    float            _width          @accessors(property=width);
+}
+
+/*
+
+*/
++ (CPTabViewItem)tabViewItemWithViewController:(CPViewController)aViewController
+{
+    var item = [[CPTabViewItem alloc] init];
+    [item setViewController:aViewController];
+
+    return item;
 }
 
 - (id)init
@@ -68,6 +89,19 @@ CPPressedTab    = 2;
     return [self initWithIdentifier:@""];
 }
 
+- (void)_init
+{
+    _tag = 0;
+    _viewController = nil;
+    _image = nil;
+    _tabState = 0;
+    _tabView = nil;
+    _enabled = YES;
+    _selected = NO;
+    _tabRect = CGRectMakeZero();
+    _width = 0;
+}
+
 /*!
     Initializes the tab view item with the specified identifier.
     @return the initialized CPTabViewItem
@@ -76,8 +110,12 @@ CPPressedTab    = 2;
 {
     self = [super init];
 
-    if (self)
-        _identifier = anIdentifier;
+    [self _init];
+
+    _identifier = anIdentifier;
+    _label = nil;
+    _view = nil;
+    //_auxiliaryView = nil;
 
     return self;
 }
@@ -89,7 +127,11 @@ CPPressedTab    = 2;
 */
 - (void)setLabel:(CPString)aLabel
 {
+    if ([aLabel isEqualToString:_label])
+        return;
+
     _label = aLabel;
+    [_tabView tileWithChangedItem:self];
 }
 
 /*!
@@ -100,6 +142,28 @@ CPPressedTab    = 2;
     return _label;
 }
 
+// Working With Images
+/*!
+    Sets the CPTabViewItem's image.
+    @param anImage the image for the item
+*/
+- (void)setImage:(CPImage)anImage
+{
+    if ([anImage isEqual:_image])
+        return;
+
+    _image = anImage;
+    [_tabView tileWithChangedItem:self];
+}
+
+/*!
+    Returns the CPTabViewItem's image
+*/
+- (CPImage)image
+{
+    return _image;
+}
+
 // Checking the Tab Display State
 /*!
     Returns the tab's current state.
@@ -139,7 +203,7 @@ CPPressedTab    = 2;
     _view = aView;
 
     if ([_tabView selectedTabViewItem] == self)
-        [_tabView _setContentViewFromItem:self];
+        [_tabView _displayItemView:_view];
 }
 
 /*!
@@ -147,6 +211,9 @@ CPPressedTab    = 2;
 */
 - (CPView)view
 {
+    if (!_view && _viewController)
+        return [_viewController view]; // The view controller loads here.
+
     return _view;
 }
 
@@ -185,10 +252,32 @@ CPPressedTab    = 2;
     _tabView = aView;
 }
 
+/*!
+    Sets the specified view controller for the tab view item.
+    @param aViewController an instance of CPViewController.
+*/
+- (void)setViewController:(CPViewController)aViewController
+{
+    _viewController = aViewController;
+
+    var identifier = [aViewController cibName],
+        title = [_viewController title];
+
+    if (identifier)
+        _identifier = identifier;
+
+    if (title)
+        [self setLabel:title];
+
+    if ([_tabView selectedTabViewItem] == self)
+        [_tabView _displayItemView:[_viewController view]];
+}
+
 @end
 
 var CPTabViewItemIdentifierKey  = "CPTabViewItemIdentifierKey",
     CPTabViewItemLabelKey       = "CPTabViewItemLabelKey",
+    CPTabViewItemImageKey       = "CPTabViewItemImageKey",
     CPTabViewItemViewKey        = "CPTabViewItemViewKey",
     CPTabViewItemAuxViewKey     = "CPTabViewItemAuxViewKey";
 
@@ -201,8 +290,11 @@ var CPTabViewItemIdentifierKey  = "CPTabViewItemIdentifierKey",
 
     if (self)
     {
+       [self _init];
+
         _identifier     = [aCoder decodeObjectForKey:CPTabViewItemIdentifierKey];
         _label          = [aCoder decodeObjectForKey:CPTabViewItemLabelKey];
+        _image          = [aCoder decodeObjectForKey:CPTabViewItemImageKey];
 
         _view           = [aCoder decodeObjectForKey:CPTabViewItemViewKey];
         _auxiliaryView  = [aCoder decodeObjectForKey:CPTabViewItemAuxViewKey];
@@ -215,6 +307,7 @@ var CPTabViewItemIdentifierKey  = "CPTabViewItemIdentifierKey",
 {
     [aCoder encodeObject:_identifier    forKey:CPTabViewItemIdentifierKey];
     [aCoder encodeObject:_label         forKey:CPTabViewItemLabelKey];
+    [aCoder encodeObject:_image         forKey:CPTabViewItemImageKey];
 
     [aCoder encodeObject:_view          forKey:CPTabViewItemViewKey];
     [aCoder encodeObject:_auxiliaryView forKey:CPTabViewItemAuxViewKey];

AppKit/CPTableColumn.j

@@ -28,9 +28,8 @@
 
 @import "CPTextField.j"
 
-@global CPTableViewColumnDidResizeNotification
-
 @class _CPTableColumnHeaderView
+@class CPTableView
 
 CPTableColumnNoResizing         = 0;
 CPTableColumnAutoresizingMask   = 1 << 0;
@@ -181,11 +180,11 @@ CPTableColumnUserResizingMask   = 1 << 1;
             columns = [CPIndexSet indexSetWithIndexesInRange:CPMakeRange(index, [tableView._exposedColumns lastIndex] - index + 1)];
 
         // FIXME: Would be faster with some sort of -setNeedsDisplayInColumns: that updates a dirtyTableColumnForDisplay cache; then marked columns would relayout their data views at display time.
-        [tableView _layoutDataViewsInRows:rows columns:columns];
+        [tableView _layoutViewsForRowIndexes:rows columnIndexes:columns];
         [tableView tile];
 
         if (!_disableResizingPosting)
-            [self _postDidResizeNotificationWithOldWidth:oldWidth];
+            [[self tableView] _didResizeTableColumn:self oldWidth:oldWidth];
     }
 }
 
@@ -394,8 +393,8 @@ CPTableColumnUserResizingMask   = 1 << 1;
 */
 - (void)setDataView:(CPView)aView
 {
-    if (_dataView)
-        _dataViewData = nil;
+    if (_dataView === aView)
+        return;
 
     [aView setThemeState:CPThemeStateTableDataView];
 
@@ -538,19 +537,6 @@ CPTableColumnUserResizingMask   = 1 << 1;
     return _headerToolTip;
 }
 
-/*!
-    @ignore
-*/
-- (void)_postDidResizeNotificationWithOldWidth:(float)oldWidth
-{
-    [[self tableView] _didResizeTableColumn:self];
-
-    [[CPNotificationCenter defaultCenter]
-    postNotificationName:CPTableViewColumnDidResizeNotification
-                  object:[self tableView]
-                userInfo:@{ @"CPTableColumn": self, @"CPOldWidth": oldWidth }];
-}
-
 @end
 
 @implementation CPTableColumnValueBinder : CPBinder
@@ -560,11 +546,22 @@ CPTableColumnUserResizingMask   = 1 << 1;
 - (void)setValueFor:(CPString)aBinding
 {
     var tableView = [_source tableView],
-        column = [[tableView tableColumns] indexOfObjectIdenticalTo:_source],
-        rowIndexes = [CPIndexSet indexSetWithIndexesInRange:CPMakeRange(0, [tableView numberOfRows])],
-        columnIndexes = [CPIndexSet indexSetWithIndex:column];
+        newNumberOfRows = [tableView _numberOfRows];
 
-    [tableView reloadDataForRowIndexes:rowIndexes columnIndexes:columnIndexes];
+    if ([tableView numberOfRows] == newNumberOfRows)
+    {
+        var rowIndexes = [CPIndexSet indexSetWithIndexesInRange:CPMakeRange(0, newNumberOfRows)],
+            column = [[tableView tableColumns] indexOfObjectIdenticalTo:_source],
+            columnIndexes = [CPIndexSet indexSetWithIndex:column];
+
+        // Reloads objectValues only, not the views.
+        // FIXME: reload data for all rows or just rows intersecting exposed rows ?
+        [tableView _reloadDataForRowIndexes:rowIndexes columnIndexes:columnIndexes];
+    }
+    else
+    {
+        [tableView reloadData];
+    }
 }
 
 - (CPSortDescriptor)_defaultSortDescriptorPrototype
@@ -604,7 +601,7 @@ CPTableColumnUserResizingMask   = 1 << 1;
 }
 
 /*!
-    Binds the receiver to an object.
+    Binds the receiver to an object. Note that unlike Cocoa, this works only *after* the receiver has been added to a \c CPTableView.
 
     @param CPString aBinding - The binding you wish to make. Typically CPValueBinding.
     @param id anObject - The object to bind the receiver to.

AppKit/CPText.j

@@ -38,4 +38,16 @@ CPLeftTextMovement              = 19;
 CPRightTextMovement             = 20;
 CPUpTextMovement                = 21;
 CPDownTextMovement              = 22;
-CPCancelTextMovement            = 23;
+CPCancelTextMovement            = 23;
+
+@typedef CPWritingDirection
+CPWritingDirectionNatural       = -1;
+CPWritingDirectionLeftToRight   = 0;
+CPWritingDirectionRightToLeft   = 1;
+
+@typedef CPTextAlignment
+CPLeftTextAlignment      = 0;
+CPRightTextAlignment     = 1;
+CPCenterTextAlignment    = 2;
+CPJustifiedTextAlignment = 3;
+CPNaturalTextAlignment   = 4;

AppKit/CPTheme.j

@@ -26,6 +26,7 @@
 @import <Foundation/CPKeyedUnarchiver.j>
 
 @class CPView
+@class _CPThemeAttribute
 
 var CPThemesByName          = { },
     CPThemeDefaultTheme     = nil,
@@ -35,7 +36,6 @@ var CPThemesByName          = { },
 /*!
     @ingroup appkit
 */
-
 @implementation CPTheme : CPObject
 {
     CPString        _name;
@@ -141,20 +141,19 @@ var CPThemesByName          = { },
 
     if (!className)
     {
-        if ([aClass isKindOfClass:[CPView class]])
+        if ([aClass respondsToSelector:@selector(defaultThemeClass)])
         {
-            if ([aClass respondsToSelector:@selector(defaultThemeClass)])
-                className = [aClass defaultThemeClass];
-            else if ([aClass respondsToSelector:@selector(themeClass)])
-            {
-                CPLog.warn(@"%@ themeClass is deprecated in favor of defaultThemeClass", CPStringFromClass(aClass));
-                className = [aClass themeClass];
-            }
-            else
-                return nil;
+            className = [aClass defaultThemeClass];
+        }
+        else if ([aClass respondsToSelector:@selector(themeClass)])
+        {
+            CPLog.warn(@"%@ themeClass is deprecated in favor of defaultThemeClass", CPStringFromClass(aClass));
+            className = [aClass themeClass];
         }
         else
-            [CPException raise:CPInvalidArgumentException reason:@"aClass must be a class object or a string."];
+        {
+            return nil;
+        }
     }
 
     return [_attributes objectForKey:className];
@@ -240,7 +239,7 @@ var CPThemesByName          = { },
     @param aClass The themed class in which to look for the attribute
     @return       A value or nil
 */
-- (id)valueForAttributeWithName:(CPString)aName inState:(CPThemeState)aState forClass:(id)aClass
+- (id)valueForAttributeWithName:(CPString)aName inState:(ThemeState)aState forClass:(id)aClass
 {
     var attribute = [self attributeWithName:aName forClass:aClass];
 
@@ -314,6 +313,213 @@ var CPThemeNameKey          = @"CPThemeNameKey",
 
 @end
 
+/*!
+ * ThemeStates are immutable objects representing a particular ThemeState.  Applications should never be creating
+ * ThemeStates directly but should instead use the CPThemeState function.
+ */
+function ThemeState(stateNames)
+{
+    var stateNameKeys = [];
+    this._stateNames = {};
+
+    for (key in stateNames)
+    {
+        if (!stateNames.hasOwnProperty(key))
+            continue;
+
+        if (key !== 'normal')
+        {
+            this._stateNames[key] = true;
+            stateNameKeys.push(key);
+        }
+    }
+
+    if (stateNameKeys.length === 0)
+    {
+        stateNameKeys.push('normal');
+        this._stateNames['normal'] = true;
+    }
+
+    stateNameKeys.sort();
+    this._stateNameString = stateNameKeys[0];
+
+    var stateNameLength = stateNameKeys.length;
+
+    for (var stateIndex = 1; stateIndex < stateNameLength; stateIndex++)
+        this._stateNameString = this._stateNameString + "+" + stateNameKeys[stateIndex];
+
+    this._stateNameCount = stateNameLength;
+}
+
+ThemeState.prototype.toString = function()
+{
+    return this._stateNameString;
+}
+
+ThemeState.prototype.hasThemeState = function(aState)
+{
+    if (!aState || !aState._stateNames)
+        return false;
+
+    // We can do this in O(n) because both states have their stateNames already sorted.
+    for (var stateName in aState._stateNames)
+    {
+        if (!aState._stateNames.hasOwnProperty(stateName))
+            continue;
+
+        if (!this._stateNames[stateName])
+            return false;
+    }
+    return true;
+}
+
+ThemeState.prototype.isSubsetOf = function(aState)
+{
+    if (aState._stateNameCount < this._stateNameCount)
+        return false;
+
+    for (var key in this._stateNames)
+    {
+        if (!this._stateNames.hasOwnProperty(key))
+            continue;
+
+        if (!aState._stateNames[key])
+            return false;
+    }
+    return true;
+}
+
+ThemeState.prototype.without = function(aState)
+{
+    if (!aState || aState === [CPNull null])
+        return this;
+
+    var firstTransform = CPThemeWithoutTransform[this._stateNameString],
+        result;
+
+    if (firstTransform)
+    {
+        result = firstTransform[aState._stateNameString];
+
+        if (result)
+            return result;
+    }
+
+    var newStates = {};
+
+    for (var stateName in this._stateNames)
+    {
+        if (!this._stateNames.hasOwnProperty(stateName))
+            continue;
+
+        if (!aState._stateNames[stateName])
+            newStates[stateName] = true;
+    }
+
+    result = ThemeState._cacheThemeState(new ThemeState(newStates));
+
+    if (!firstTransform)
+        firstTransform = CPThemeWithoutTransform[this._stateNameString] = {};
+
+    firstTransform[aState._stateNameString] = result;
+
+    return result;
+}
+
+ThemeState.prototype.and  = function(aState)
+{
+    var firstTransform = CPThemeAndTransform[this._stateNameString],
+        result;
+
+    if (firstTransform)
+    {
+        result = firstTransform[aState._stateNameString];
+
+        if (result)
+            return result;
+    }
+
+    result = CPThemeState(this, aState);
+
+    if (!firstTransform)
+        firstTransform = CPThemeAndTransform[this._stateNameString] = {};
+
+    firstTransform[aState._stateNameString] = result;
+
+    return result;
+}
+
+var CPThemeStates = {},
+    CPThemeWithoutTransform = {},
+    CPThemeAndTransform = {};
+
+ThemeState._cacheThemeState = function(aState)
+{
+    // We do this caching so themeState equality works.  Basically, doing CPThemeState('foo+bar') === CPThemeState('bar', 'foo') will return true.
+    var themeState = CPThemeStates[String(aState)];
+
+    if (themeState === undefined)
+    {
+        themeState = aState;
+        CPThemeStates[String(themeState)] = themeState;
+    }
+
+    return themeState;
+}
+
+/*!
+ * This method can be called in multiple ways:
+ *    CPThemeState('state1') - creates a new CPThemeState that corresponds to the string 'state1'
+ *    CPThemeState('state1', 'state2') - creates a new composite CPThemeState made up of both 'state1' or 'state2'
+ *    CPThemeState('state1+state2') - The same as CPThemeState('state1', 'state2')
+ *    CPThemeState(state1, state2) - creates a new composite CPThemeState made up of state1 and state2
+ *                                   where state1 and state2 are not strings but are themselves CPThemeStates.
+ */
+function CPThemeState()
+{
+    if (arguments.length < 1)
+        throw "CPThemeState() must be called with at least one string argument";
+
+    var themeState;
+
+    if (arguments.length === 1 && typeof arguments[0] === 'string')
+    {
+        themeState = CPThemeStates[arguments[0]];
+
+        if (themeState !== undefined)
+            return themeState;
+    }
+
+    var stateNames = {};
+
+    for (var argIndex = 0; argIndex < arguments.length; argIndex++)
+    {
+        if (arguments[argIndex] === [CPNull null] || !arguments[argIndex])
+            continue;
+
+        if (typeof arguments[argIndex] === 'object')
+        {
+            for (var stateName in arguments[argIndex]._stateNames)
+            {
+                if (!arguments[argIndex]._stateNames.hasOwnProperty(stateName))
+                    continue;
+
+                stateNames[stateName] = true;
+            }
+        }
+        else
+        {
+            var allNames = arguments[argIndex].split('+');
+
+            for (var nameIndex = 0; nameIndex < allNames.length; nameIndex++)
+                stateNames[allNames[nameIndex]] = true;
+        }
+    }
+
+    themeState = ThemeState._cacheThemeState(new ThemeState(stateNames));
+    return themeState;
+}
+
 @implementation _CPThemeKeyedUnarchiver : CPKeyedUnarchiver
 {
     CPBundle    _bundle;
@@ -341,88 +547,31 @@ var CPThemeNameKey          = @"CPThemeNameKey",
 
 @end
 
-var CPThemeStates       = {},
-    CPThemeStateNames   = {},
-    CPThemeStateCount   = 0;
+CPThemeStateNormal              = CPThemeState("normal");
+CPThemeStateDisabled            = CPThemeState("disabled");
+CPThemeStateHovered             = CPThemeState("hovered");
+CPThemeStateHighlighted         = CPThemeState("highlighted");
+CPThemeStateSelected            = CPThemeState("selected");
+CPThemeStateTableDataView       = CPThemeState("tableDataView");
+CPThemeStateSelectedDataView    = CPThemeState("selectedTableDataView");
+CPThemeStateGroupRow            = CPThemeState("CPThemeStateGroupRow");
+CPThemeStateBezeled             = CPThemeState("bezeled");
+CPThemeStateBordered            = CPThemeState("bordered");
+CPThemeStateEditable            = CPThemeState("editable");
+CPThemeStateEditing             = CPThemeState("editing");
+CPThemeStateVertical            = CPThemeState("vertical");
+CPThemeStateDefault             = CPThemeState("default");
+CPThemeStateCircular            = CPThemeState("circular");
+CPThemeStateAutocompleting      = CPThemeState("autocompleting");
+CPThemeStateFirstResponder      = CPThemeState("firstResponder");
+CPThemeStateMainWindow          = CPThemeState("mainWindow");
+CPThemeStateKeyWindow           = CPThemeState("keyWindow");
+CPThemeStateControlSizeRegular  = CPThemeState("controlSizeRegular");
+CPThemeStateControlSizeSmall    = CPThemeState("controlSizeSmall");
+CPThemeStateControlSizeMini     = CPThemeState("controlSizeMini");
 
-function CPThemeState(aStateName)
-{
-    var state = CPThemeStates[aStateName];
+CPThemeStateNormalString        = String(CPThemeStateNormal);
 
-    if (state === undefined)
-    {
-        if (aStateName.indexOf('+') === -1)
-            state = 1 << CPThemeStateCount++;
-        else
-        {
-            var state = 0,
-                states = aStateName.split('+'),
-                count = states.length;
-
-            while (count--)
-            {
-                var stateName = states[count],
-                    individualState = CPThemeStates[stateName];
-
-                if (individualState === undefined)
-                {
-                    individualState = 1 << CPThemeStateCount++;
-                    CPThemeStates[stateName] = individualState;
-                    CPThemeStateNames[individualState] = stateName;
-                }
-
-                state |= individualState;
-            }
-        }
-
-        CPThemeStates[aStateName] = state;
-        CPThemeStateNames[state] = aStateName;
-    }
-
-    return state;
-}
-
-function CPThemeStateName(aState)
-{
-    var name = CPThemeStateNames[aState];
-
-    if (name !== undefined)
-        return name;
-
-    if (!(aState & (aState - 1)))
-        return "";
-
-    var state = 1,
-        name = "";
-
-    for (; state < aState; state <<= 1)
-        if (aState & state)
-            name += (name.length === 0 ? '' : '+') + CPThemeStateNames[state];
-
-    CPThemeStateNames[aState] = name;
-
-    return name;
-}
-
-CPThemeStateNames[0]         = "normal";
-CPThemeStateNormal           = CPThemeStates["normal"] = 0;
-CPThemeStateDisabled         = CPThemeState("disabled");
-CPThemeStateHovered          = CPThemeState("hovered");
-CPThemeStateHighlighted      = CPThemeState("highlighted");
-CPThemeStateSelected         = CPThemeState("selected");
-CPThemeStateTableDataView    = CPThemeState("tableDataView");
-CPThemeStateSelectedDataView = CPThemeState("selectedTableDataView");
-CPThemeStateGroupRow         = CPThemeState("CPThemeStateGroupRow");
-CPThemeStateBezeled          = CPThemeState("bezeled");
-CPThemeStateBordered         = CPThemeState("bordered");
-CPThemeStateEditable         = CPThemeState("editable");
-CPThemeStateEditing          = CPThemeState("editing");
-CPThemeStateVertical         = CPThemeState("vertical");
-CPThemeStateDefault          = CPThemeState("default");
-CPThemeStateCircular         = CPThemeState("circular");
-CPThemeStateAutocompleting   = CPThemeState("autocompleting");
-CPThemeStateMainWindow       = CPThemeState("mainWindow");
-CPThemeStateKeyWindow        = CPThemeState("keyWindow");
 
 @implementation _CPThemeAttribute : CPObject
 {
@@ -434,7 +583,7 @@ CPThemeStateKeyWindow        = CPThemeState("keyWindow");
     _CPThemeAttribute   _themeDefaultAttribute;
 }
 
-- (id)initWithName:(CPString)aName defaultValue:(id)aDefaultValue
+- (id)initWithName:(CPString)aName defaultValue:(id)aDefaultValue defaultAttribute:(_CPThemeAttribute)aDefaultAttribute
 {
     self = [super init];
 
@@ -443,7 +592,9 @@ CPThemeStateKeyWindow        = CPThemeState("keyWindow");
         _cache = { };
         _name = aName;
         _defaultValue = aDefaultValue;
-        _values = @{};
+
+        if (aDefaultAttribute)
+            _themeDefaultAttribute = aDefaultAttribute;
     }
 
     return self;
@@ -464,29 +615,41 @@ CPThemeStateKeyWindow        = CPThemeState("keyWindow");
     return [_values count] > 0;
 }
 
-- (BOOL)isTrivial
+- (_CPThemeAttribute)attributeBySettingValue:(id)aValue
 {
-    return ([_values count] === 1) && (Number([_values allKeys][0]) === CPThemeStateNormal);
+    var attribute = [[_CPThemeAttribute alloc] initWithName:_name defaultValue:_defaultValue defaultAttribute:_themeDefaultAttribute];
+
+    if (aValue !== undefined && aValue !== nil)
+        attribute._values = @{ CPThemeStateNormalString: aValue };
+
+    return attribute;
 }
 
-- (void)setValue:(id)aValue
+- (_CPThemeAttribute)attributeBySettingValue:(id)aValue forState:(ThemeState)aState
 {
-    _cache = {};
+    var shouldRemoveValue = aValue === undefined || aValue === nil,
+        attribute = [[_CPThemeAttribute alloc] initWithName:_name defaultValue:_defaultValue defaultAttribute:_themeDefaultAttribute],
+        values = _values;
 
-    if (aValue === undefined || aValue === nil)
-        _values = @{};
-    else
-        _values = @{ String(CPThemeStateNormal): aValue };
-}
+    if (values != null)
+    {
+        values = [values copy];
 
-- (void)setValue:(id)aValue forState:(CPThemeState)aState
-{
-    _cache = { };
+        if (shouldRemoveValue)
+            [values removeObjectForKey:String(aState)];
+        else
+            [values setObject:aValue forKey:String(aState)];
 
-    if ((aValue === undefined) || (aValue === nil))
-        [_values removeObjectForKey:String(aState)];
-    else
-        [_values setObject:aValue forKey:String(aState)];
+        attribute._values = values;
+    }
+    else if (!shouldRemoveValue)
+    {
+        values = [[CPDictionary alloc] init];
+        [values setObject:aValue forKey:String(aState)];
+        attribute._values = values;
+    }
+
+    return attribute;
 }
 
 - (id)value
@@ -494,44 +657,34 @@ CPThemeStateKeyWindow        = CPThemeState("keyWindow");
     return [self valueForState:CPThemeStateNormal];
 }
 
-- (id)valueForState:(CPThemeState)aState
+- (id)valueForState:(ThemeState)aState
 {
-    var value = _cache[aState];
+    var stateName = String(aState),
+        value = _cache[stateName];
 
     // This can be nil.
     if (value !== undefined)
         return value;
 
-    value = [_values objectForKey:String(aState)];
+    value = [_values objectForKey:stateName];
 
-    // If we don't have a value, and we have a non-normal state...
-    if ((value === undefined || value === nil) && aState !== CPThemeStateNormal)
+    if (value === undefined || value === nil)
     {
-        // If this is a composite state (not a power of 2), find the closest partial subset match.
-        if (aState & (aState - 1))
+        // If this is a composite state, find the closest partial subset match.
+        if (aState._stateNameCount > 1)
         {
-            var highestOneCount = 0,
-                states = [_values allKeys],
-                count = states.length;
+            var states = [_values allKeys],
+                count = states ? states.length : 0,
+                largestThemeState = 0;
 
             while (count--)
             {
-                // states[count] is a string!
-                var state = Number(states[count]);
+                var stateObject = CPThemeState(states[count]);
 
-                // A & B = A iff A < B
-                if ((state & aState) === state)
+                if (stateObject.isSubsetOf(aState) && stateObject._stateNameCount > largestThemeState)
                 {
-                    var oneCount = cachedNumberOfOnes[state];
-
-                    if (oneCount === undefined)
-                        oneCount = numberOfOnes(state);
-
-                    if (oneCount > highestOneCount)
-                    {
-                        highestOneCount = oneCount;
-                        value = [_values objectForKey:String(state)];
-                    }
+                    value = [_values objectForKey:states[count]];
+                    largestThemeState = stateObject._stateNameCount;
                 }
             }
         }
@@ -554,32 +707,46 @@ CPThemeStateKeyWindow        = CPThemeState("keyWindow");
             value = nil;
     }
 
-    _cache[aState] = value;
+    _cache[stateName] = value;
 
     return value;
 }
 
-- (void)setParentAttribute:(_CPThemeAttribute)anAttribute
+- (_CPThemeAttribute)attributeBySettingParentAttribute:(_CPThemeAttribute)anAttribute
 {
     if (_themeDefaultAttribute === anAttribute)
-        return;
+        return self;
 
-    _cache = { };
-    _themeDefaultAttribute = anAttribute;
+    var attribute = [[_CPThemeAttribute alloc] initWithName:_name defaultValue:_defaultValue defaultAttribute:anAttribute];
+
+    attribute._values = [_values copy];
+
+    return attribute;
 }
 
 - (_CPThemeAttribute)attributeMergedWithAttribute:(_CPThemeAttribute)anAttribute
 {
-    var mergedAttribute = [[_CPThemeAttribute alloc] initWithName:_name defaultValue:_defaultValue];
+    var mergedAttribute = [[_CPThemeAttribute alloc] initWithName:_name defaultValue:_defaultValue defaultAttribute:_themeDefaultAttribute];
 
     mergedAttribute._values = [_values copy];
-    [mergedAttribute._values addEntriesFromDictionary:anAttribute._values];
+
+    if (anAttribute._values)
+        mergedAttribute._values ? [mergedAttribute._values addEntriesFromDictionary:anAttribute._values] : [anAttribute._values copy];
 
     return mergedAttribute;
 }
 
+- (CPString)description
+{
+    return [super description] + @" Name: " + _name + @", defaultAttribute: " + _themeDefaultAttribute + @", defaultValue: " + _defaultValue + @", values: " + _values;
+}
+
 @end
 
+
+// This is used to pass 'parrentAttribute' to the coder
+var ParentAttributeForCoder = nil;
+
 @implementation _CPThemeAttribute (CPCoding)
 
 - (id)initWithCoder:(CPCoder)aCoder
@@ -593,13 +760,16 @@ CPThemeStateKeyWindow        = CPThemeState("keyWindow");
         _name = [aCoder decodeObjectForKey:@"name"];
         _defaultValue = [aCoder decodeObjectForKey:@"defaultValue"];
         _values = @{};
+        _themeDefaultAttribute = ParentAttributeForCoder;
 
         if ([aCoder containsValueForKey:@"value"])
         {
-            var state = CPThemeStateNormal;
+            var state;
 
             if ([aCoder containsValueForKey:@"state"])
-                state = CPThemeState([aCoder decodeObjectForKey:@"state"]);
+                state = [aCoder decodeObjectForKey:@"state"];
+            else
+                state = CPThemeStateNormalString
 
             [_values setObject:[aCoder decodeObjectForKey:"value"] forKey:state];
         }
@@ -613,7 +783,7 @@ CPThemeStateKeyWindow        = CPThemeState("keyWindow");
             {
                 var key = keys[count];
 
-                [_values setObject:[encodedValues objectForKey:key] forKey:CPThemeState(key)];
+                [_values setObject:[encodedValues objectForKey:key] forKey:key];
             }
         }
     }
@@ -627,14 +797,14 @@ CPThemeStateKeyWindow        = CPThemeState("keyWindow");
     [aCoder encodeObject:_defaultValue forKey:@"defaultValue"];
 
     var keys = [_values allKeys],
-        count = keys.length;
+        count = keys ? keys.length : 0;
 
     if (count === 1)
     {
         var onlyKey = keys[0];
 
-        if (Number(onlyKey) !== CPThemeStateNormal)
-            [aCoder encodeObject:CPThemeStateName(Number(onlyKey)) forKey:@"state"];
+        if (onlyKey !== String(CPThemeStateNormal))
+            [aCoder encodeObject:onlyKey forKey:@"state"];
 
         [aCoder encodeObject:[_values objectForKey:onlyKey] forKey:@"value"];
     }
@@ -646,7 +816,7 @@ CPThemeStateKeyWindow        = CPThemeState("keyWindow");
         {
             var key = keys[count];
 
-            [encodedValues setObject:[_values objectForKey:key] forKey:CPThemeStateName(Number(key))];
+            [encodedValues setObject:[_values objectForKey:key] forKey:key];
         }
 
         [aCoder encodeObject:encodedValues forKey:@"values"];
@@ -655,35 +825,6 @@ CPThemeStateKeyWindow        = CPThemeState("keyWindow");
 
 @end
 
-var cachedNumberOfOnes = [  0 /*000000*/, 1 /*000001*/, 1 /*000010*/, 2 /*000011*/, 1 /*000100*/, 2 /*000101*/, 2 /*000110*/,
-                            3 /*000111*/, 1 /*001000*/, 2 /*001001*/, 2 /*001010*/, 3 /*001011*/, 2 /*001100*/, 3 /*001101*/,
-                            3 /*001110*/, 4 /*001111*/, 1 /*010000*/, 2 /*010001*/, 2 /*010010*/, 3 /*010011*/, 2 /*010100*/,
-                            3 /*010101*/, 3 /*010110*/, 4 /*010111*/, 2 /*011000*/, 3 /*011001*/, 3 /*011010*/, 4 /*011011*/,
-                            3 /*011100*/, 4 /*011101*/, 4 /*011110*/, 5 /*011111*/, 1 /*100000*/, 2 /*100001*/, 2 /*100010*/,
-                            3 /*100011*/, 2 /*100100*/, 3 /*100101*/, 3 /*100110*/, 4 /*100111*/, 2 /*101000*/, 3 /*101001*/,
-                            3 /*101010*/, 4 /*101011*/, 3 /*101100*/, 4 /*101101*/, 4 /*101110*/, 5 /*101111*/, 2 /*110000*/,
-                            3 /*110001*/, 3 /*110010*/, 4 /*110011*/, 3 /*110100*/, 4 /*110101*/, 4 /*110110*/, 5 /*110111*/,
-                            3 /*111000*/, 4 /*111001*/, 4 /*111010*/, 5 /*111011*/, 4 /*111100*/, 5 /*111101*/, 5 /*111110*/,
-                            6 /*111111*/ ];
-
-var numberOfOnes = function(aNumber)
-{
-    var count = 0,
-        slot = aNumber;
-
-    while (aNumber)
-    {
-        ++count;
-        aNumber &= (aNumber - 1);
-    }
-
-    cachedNumberOfOnes[slot] = count;
-
-    return count;
-};
-
-numberOfOnes.displayName = "numberOfOnes";
-
 function CPThemeAttributeEncode(aCoder, aThemeAttribute)
 {
     var values = aThemeAttribute._values,
@@ -694,7 +835,7 @@ function CPThemeAttributeEncode(aCoder, aThemeAttribute)
     {
         var state = [values allKeys][0];
 
-        if (Number(state) === 0)
+        if (state === CPThemeStateNormalString)
         {
             [aCoder encodeObject:[values objectForKey:state] forKey:key];
 
@@ -712,30 +853,24 @@ function CPThemeAttributeEncode(aCoder, aThemeAttribute)
     return NO;
 }
 
-function CPThemeAttributeDecode(aCoder, anAttributeName, aDefaultValue, aTheme, aClass)
+function CPThemeAttributeDecode(aCoder, attribute)
 {
-    var key = "$a" + anAttributeName;
+    var key = "$a" + attribute._name;
 
-    if (![aCoder containsValueForKey:key])
-        var attribute = [[_CPThemeAttribute alloc] initWithName:anAttributeName defaultValue:aDefaultValue];
-
-    else
+    if ([aCoder containsValueForKey:key])
     {
-        var attribute = [aCoder decodeObjectForKey:key];
+        ParentAttributeForCoder = attribute._themeDefaultAttribute;
 
-        if (!attribute.isa || ![attribute isKindOfClass:[_CPThemeAttribute class]])
-        {
-            var themeAttribute = [[_CPThemeAttribute alloc] initWithName:anAttributeName defaultValue:aDefaultValue];
+        var decodedAttribute = [aCoder decodeObjectForKey:key];
 
-            [themeAttribute setValue:attribute];
+        ParentAttributeForCoder = nil;
 
-            attribute = themeAttribute;
-        }
+        if (!decodedAttribute || !decodedAttribute.isa || ![decodedAttribute isKindOfClass:[_CPThemeAttribute class]])
+            attribute = [attribute attributeBySettingValue:decodedAttribute];
+        else
+            attribute = decodedAttribute;
     }
 
-    if (aTheme && aClass)
-        [attribute setParentAttribute:[aTheme attributeWithName:anAttributeName forClass:aClass]];
-
     return attribute;
 }
 

AppKit/CPThemeBlend.j

@@ -64,12 +64,10 @@
 */
 - (CPArray)themeNames
 {
-    var names = [];
-
-    for (var i = 0; i < _themes.length; ++i)
-        names.push(_themes[i].substring(0, _themes[i].indexOf(".keyedtheme")));
-
-    return names;
+    return [_themes arrayByApplyingBlock:function(theme)
+    {
+        return theme.substring(0, theme.indexOf(".keyedtheme"));
+    }];
 }
 
 - (void)loadWithDelegate:(id)aDelegate

AppKit/CPTokenField.j

@@ -33,10 +33,35 @@
 @import "CPTextField.j"
 @import "CPWindow_Constants.j"
 
+@class _CPTokenFieldTokenCloseButton
+@class _CPTokenFieldTokenDisclosureButton
+
 @global CPApp
 @global CPTextFieldDidFocusNotification
 @global CPTextFieldDidBlurNotification
 
+
+// TODO: should be conform to protocol CPTextFieldDelegate
+@protocol CPTokenFieldDelegate <CPObject>
+
+@optional
+- (BOOL)tokenField:(CPTokenField)tokenField hasMenuForRepresentedObject:(id)representedObject;
+- (CPArray)tokenField:(CPTokenField)tokenField completionsForSubstring:(CPString)substring indexOfToken:(CPInteger)tokenIndex indexOfSelectedItem:(CPInteger)selectedIndex;
+- (CPArray)tokenField:(CPTokenField)tokenField shouldAddObjects:(CPArray)tokens atIndex:(CPUInteger)index;
+- (CPMenu)tokenField:(CPTokenField)tokenField menuForRepresentedObject:(id)representedObject;
+- (CPString )tokenField:(CPTokenField)tokenField displayStringForRepresentedObject:(id)representedObject;
+- (id)tokenField:(CPTokenField)tokenField representedObjectForEditingString:(CPString)editingString;
+
+@end
+
+var CPTokenFieldDelegate_tokenField_hasMenuForRepresentedObject_                                = 1 << 1,
+    CPTokenFieldDelegate_tokenField_completionsForSubstring_indexOfToken_indexOfSelectedItem_   = 1 << 2,
+    CPTokenFieldDelegate_tokenField_shouldAddObjects_atIndex_                                   = 1 << 3,
+    CPTokenFieldDelegate_tokenField_menuForRepresentedObject_                                   = 1 << 4,
+    CPTokenFieldDelegate_tokenField_displayStringForRepresentedObject_                          = 1 << 5,
+    CPTokenFieldDelegate_tokenField_representedObjectForEditingString_                          = 1 << 6;
+
+
 #if PLATFORM(DOM)
 
 var CPTokenFieldDOMInputElement = nil,
@@ -64,23 +89,26 @@ CPTokenFieldDeleteButtonType     = 1;
 
 @implementation CPTokenField : CPTextField
 {
-    CPScrollView        _tokenScrollView;
-    int                 _shouldScrollTo;
+    CPScrollView                _tokenScrollView;
+    int                         _shouldScrollTo;
 
-    CPRange             _selectedRange;
+    CPRange                     _selectedRange;
 
-    _CPAutocompleteMenu _autocompleteMenu;
-    CGRect              _inputFrame;
+    _CPAutocompleteMenu         _autocompleteMenu;
+    CGRect                      _inputFrame;
 
-    CPTimeInterval      _completionDelay;
+    CPTimeInterval              _completionDelay;
 
-    CPCharacterSet      _tokenizingCharacterSet @accessors(property=tokenizingCharacterSet);
+    CPCharacterSet              _tokenizingCharacterSet @accessors(property=tokenizingCharacterSet);
 
-    CPEvent             _mouseDownEvent;
+    CPEvent                     _mouseDownEvent;
 
-    BOOL                _shouldNotifyTarget;
+    BOOL                        _shouldNotifyTarget;
 
-    int                 _buttonType @accessors(property=buttonType);
+    int                         _buttonType @accessors(property=buttonType);
+
+    id <CPTokenFieldDelegate>   _tokenFieldDelegate;
+    unsigned                    _implementedTokenFieldDelegateMethods;
 }
 
 + (CPCharacterSet)defaultTokenizingCharacterSet
@@ -140,6 +168,41 @@ CPTokenFieldDeleteButtonType     = 1;
     [self addSubview:_tokenScrollView];
 }
 
+#pragma mark -
+#pragma mark Delegate methods
+
+/*!
+    Set the delegate of the receiver
+*/
+- (void)setDelegate:(id <CPTokenFieldDelegate>)aDelegate
+{
+    if (_tokenFieldDelegate === aDelegate)
+        return;
+
+    _tokenFieldDelegate = aDelegate;
+    _implementedTokenFieldDelegateMethods = 0;
+
+    if ([_tokenFieldDelegate respondsToSelector:@selector(tokenField:hasMenuForRepresentedObject:)])
+        _implementedTokenFieldDelegateMethods |= CPTokenFieldDelegate_tokenField_hasMenuForRepresentedObject_;
+
+    if ([_tokenFieldDelegate respondsToSelector:@selector(tokenField:completionsForSubstring:indexOfToken:indexOfSelectedItem:)])
+        _implementedTokenFieldDelegateMethods |= CPTokenFieldDelegate_tokenField_completionsForSubstring_indexOfToken_indexOfSelectedItem_;
+
+    if ([_tokenFieldDelegate respondsToSelector:@selector(tokenField:shouldAddObjects:atIndex:)])
+        _implementedTokenFieldDelegateMethods |= CPTokenFieldDelegate_tokenField_shouldAddObjects_atIndex_;
+
+    if ([_tokenFieldDelegate respondsToSelector:@selector(tokenField:menuForRepresentedObject:)])
+        _implementedTokenFieldDelegateMethods |= CPTokenFieldDelegate_tokenField_menuForRepresentedObject_;
+
+    if ([_tokenFieldDelegate respondsToSelector:@selector(tokenField:displayStringForRepresentedObject:)])
+        _implementedTokenFieldDelegateMethods |= CPTokenFieldDelegate_tokenField_displayStringForRepresentedObject_;
+
+    if ([_tokenFieldDelegate respondsToSelector:@selector(tokenField:representedObjectForEditingString:)])
+        _implementedTokenFieldDelegateMethods |= CPTokenFieldDelegate_tokenField_representedObjectForEditingString_;
+
+    [super setDelegate:_tokenFieldDelegate];
+}
+
 - (_CPAutocompleteMenu)_autocompleteMenu
 {
     if (!_autocompleteMenu)
@@ -321,6 +384,9 @@ CPTokenFieldDeleteButtonType     = 1;
 
 - (BOOL)becomeFirstResponder
 {
+    if (![super becomeFirstResponder])
+        return NO;
+
 #if PLATFORM(DOM)
     if (CPTokenFieldInputOwner && [CPTokenFieldInputOwner window] !== [self window])
         [[CPTokenFieldInputOwner window] makeFirstResponder:nil];
@@ -382,21 +448,27 @@ CPTokenFieldDeleteButtonType     = 1;
     element.style.width = CGRectGetWidth(contentRect) + "px";
     element.style.height = [font defaultLineHeightForFont] + "px";
 
-    window.setTimeout(function()
+    [[CPRunLoop mainRunLoop] performBlock:function()
     {
         [_tokenScrollView documentView]._DOMElement.appendChild(element);
 
         //post CPControlTextDidBeginEditingNotification
         [self textDidBeginEditing:[CPNotification notificationWithName:CPControlTextDidBeginEditingNotification object:self userInfo:nil]];
 
-        window.setTimeout(function()
+        [[CPRunLoop mainRunLoop] performBlock:function()
         {
+            // This will prevent to jump to the focused element
+            var previousScrollingOrigin = [self _scrollToVisibleRectAndReturnPreviousOrigin];
+
             element.focus();
+
+            [self _restorePreviousScrollingOrigin:previousScrollingOrigin];
+
             CPTokenFieldInputOwner = self;
-        }, 0.0);
+        } argument:nil order:0 modes:[CPDefaultRunLoopMode]];
 
         [self textDidFocus:[CPNotification notificationWithName:CPTextFieldDidFocusNotification object:self userInfo:nil]];
-    }, 0.0);
+    } argument:nil order:0 modes:[CPDefaultRunLoopMode]];
 
     [[[self window] platformWindow] _propagateCurrentDOMEvent:YES];
 
@@ -967,6 +1039,21 @@ CPTokenFieldDeleteButtonType     = 1;
     [[[self window] platformWindow] _propagateCurrentDOMEvent:YES];
 }
 
+- (BOOL)performKeyEquivalent:(CPEvent)anEvent
+{
+    var characters = [anEvent characters];
+
+    // Here we handle the event when getting a CPNewlineCharacter or CPCarriageReturnCharacter when the menu is open
+    // We don't want that the application dispatches the event to the other controls
+    if ([self hasThemeState:CPThemeStateAutocompleting] && (characters === CPNewlineCharacter || characters === CPCarriageReturnCharacter))
+    {
+        [self keyDown:anEvent];
+        return YES;
+    }
+
+    return [super performKeyEquivalent:anEvent];
+}
+
 - (void)textDidChange:(CPNotification)aNotification
 {
     if ([aNotification object] !== self)
@@ -1185,12 +1272,10 @@ CPTokenFieldDeleteButtonType     = 1;
 */
 - (CPArray)_completionsForSubstring:(CPString)substring indexOfToken:(int)tokenIndex indexOfSelectedItem:(int)selectedIndex
 {
-    if ([[self delegate] respondsToSelector:@selector(tokenField:completionsForSubstring:indexOfToken:indexOfSelectedItem:)])
-    {
-        return [[self delegate] tokenField:self completionsForSubstring:substring indexOfToken:tokenIndex indexOfSelectedItem:selectedIndex];
-    }
+    if (!(_implementedTokenFieldDelegateMethods & CPTokenFieldDelegate_tokenField_completionsForSubstring_indexOfToken_indexOfSelectedItem_))
+        return [];
 
-    return [];
+    return [_tokenFieldDelegate tokenField:self completionsForSubstring:substring indexOfToken:tokenIndex indexOfSelectedItem:selectedIndex];
 }
 
 /*!
@@ -1199,6 +1284,7 @@ CPTokenFieldDeleteButtonType     = 1;
 - (CGPoint)_completionOrigin:(_CPAutocompleteMenu)anAutocompleteMenu
 {
     var relativeFrame = _inputFrame ? [[_tokenScrollView documentView] convertRect:_inputFrame toView:self ] : [self bounds];
+
     return CGPointMake(CGRectGetMinX(relativeFrame), CGRectGetMaxY(relativeFrame));
 }
 
@@ -1212,13 +1298,12 @@ CPTokenFieldDeleteButtonType     = 1;
 */
 - (CPString)_displayStringForRepresentedObject:(id)representedObject
 {
-    if ([[self delegate] respondsToSelector:@selector(tokenField:displayStringForRepresentedObject:)])
+    if (_implementedTokenFieldDelegateMethods & CPTokenFieldDelegate_tokenField_displayStringForRepresentedObject_)
     {
-        var stringForRepresentedObject = [[self delegate] tokenField:self displayStringForRepresentedObject:representedObject];
+        var stringForRepresentedObject = [_tokenFieldDelegate tokenField:self displayStringForRepresentedObject:representedObject];
+
         if (stringForRepresentedObject !== nil)
-        {
             return stringForRepresentedObject;
-        }
     }
 
     return representedObject;
@@ -1235,10 +1320,10 @@ CPTokenFieldDeleteButtonType     = 1;
 */
 - (CPArray)_shouldAddObjects:(CPArray)tokens atIndex:(int)index
 {
-    var  delegate = [self delegate];
-    if ([delegate respondsToSelector:@selector(tokenField:shouldAddObjects:atIndex:)])
+    if (_implementedTokenFieldDelegateMethods & CPTokenFieldDelegate_tokenField_shouldAddObjects_atIndex_)
     {
-        var approvedObjects = [delegate tokenField:self shouldAddObjects:tokens atIndex:index];
+        var approvedObjects = [_tokenFieldDelegate tokenField:self shouldAddObjects:tokens atIndex:index];
+
         if (approvedObjects !== nil)
             return approvedObjects;
     }
@@ -1257,10 +1342,10 @@ CPTokenFieldDeleteButtonType     = 1;
 */
 - (id)_representedObjectForEditingString:(CPString)aString
 {
-    var delegate = [self delegate];
-    if ([delegate respondsToSelector:@selector(tokenField:representedObjectForEditingString:)])
+    if (_implementedTokenFieldDelegateMethods & CPTokenFieldDelegate_tokenField_representedObjectForEditingString_)
     {
-        var token = [delegate tokenField:self representedObjectForEditingString:aString];
+        var token = [_tokenFieldDelegate tokenField:self representedObjectForEditingString:aString];
+
         if (token !== nil && token !== undefined)
             return token;
         // If nil was returned, assume the string is the represented object. The alternative would have been
@@ -1272,23 +1357,22 @@ CPTokenFieldDeleteButtonType     = 1;
 
 - (BOOL)_hasMenuForRepresentedObject:(id)aRepresentedObject
 {
-    var delegate = [self delegate];
-    if ([delegate respondsToSelector:@selector(tokenField:hasMenuForRepresentedObject:)] &&
-        [delegate respondsToSelector:@selector(tokenField:menuForRepresentedObject:)])
-        return [delegate tokenField:self hasMenuForRepresentedObject:aRepresentedObject];
+    if ((_implementedTokenFieldDelegateMethods & CPTokenFieldDelegate_tokenField_hasMenuForRepresentedObject_) &&
+        (_implementedTokenFieldDelegateMethods & CPTokenFieldDelegate_tokenField_menuForRepresentedObject_))
+        return [_tokenFieldDelegate tokenField:self hasMenuForRepresentedObject:aRepresentedObject];
 
     return NO;
 }
 
 - (CPMenu)_menuForRepresentedObject:(id)aRepresentedObject
 {
-    var delegate = [self delegate];
-    if ([delegate respondsToSelector:@selector(tokenField:hasMenuForRepresentedObject:)] &&
-        [delegate respondsToSelector:@selector(tokenField:menuForRepresentedObject:)])
+    if ((_implementedTokenFieldDelegateMethods & CPTokenFieldDelegate_tokenField_hasMenuForRepresentedObject_) &&
+        (_implementedTokenFieldDelegateMethods & CPTokenFieldDelegate_tokenField_menuForRepresentedObject_))
     {
-        var hasMenu = [delegate tokenField:self hasMenuForRepresentedObject:aRepresentedObject];
+        var hasMenu = [_tokenFieldDelegate tokenField:self hasMenuForRepresentedObject:aRepresentedObject];
+
         if (hasMenu)
-            return [delegate tokenField:self menuForRepresentedObject:aRepresentedObject] || nil;
+            return [_tokenFieldDelegate tokenField:self menuForRepresentedObject:aRepresentedObject] || nil;
     }
 
     return nil;
@@ -1389,12 +1473,12 @@ CPTokenFieldDeleteButtonType     = 1;
     [self setNeedsLayout];
 }
 
-- (BOOL)setThemeState:(CPThemeState)aState
+- (BOOL)setThemeState:(ThemeState)aState
 {
     var r = [super setThemeState:aState];
 
     // Share hover state with the disclosure and delete buttons.
-    if (aState & CPThemeStateHovered)
+    if (aState.hasThemeState(CPThemeStateHovered))
     {
         [_disclosureButton setThemeState:CPThemeStateHovered];
         [_deleteButton setThemeState:CPThemeStateHovered];
@@ -1403,12 +1487,12 @@ CPTokenFieldDeleteButtonType     = 1;
     return r;
 }
 
-- (BOOL)unsetThemeState:(CPThemeState)aState
+- (BOOL)unsetThemeState:(ThemeState)aState
 {
     var r = [super unsetThemeState:aState];
 
     // Share hover state with the disclosure and delete button.
-    if (aState & CPThemeStateHovered)
+    if (aState.hasThemeState(CPThemeStateHovered))
     {
         [_disclosureButton unsetThemeState:CPThemeStateHovered];
         [_deleteButton unsetThemeState:CPThemeStateHovered];

AppKit/CPToolbar.j

@@ -30,6 +30,15 @@
 
 @global CPApp
 
+var CPToolbarDelegate_toolbar_itemForItemIdentifier_willBeInsertedIntoToolbar_  = 1 << 0,
+    CPToolbarDelegate_toolbarAllowedItemIdentifiers_                            = 1 << 1,
+    CPToolbarDelegate_toolbarDefaultItemIdentifiers_                            = 1 << 2,
+    CPToolbarDelegate_toolbarDidRemoveItem_                                     = 1 << 3,
+    CPToolbarDelegate_toolbarSelectableItemIdentifiers_                         = 1 << 4,
+    CPToolbarDelegate_toolbarWillAddItem_                                       = 1 << 5;
+
+
+@typedef CPToolbarDisplayMode
 /*
     @global
     @group CPToolbarDisplayMode
@@ -51,7 +60,7 @@ CPToolbarDisplayModeIconOnly            = 2;
 */
 CPToolbarDisplayModeLabelOnly           = 3;
 
-
+@typedef CPToolbarSizeMode
 CPToolbarSizeModeDefault                = 0;
 CPToolbarSizeModeRegular                = 1;
 CPToolbarSizeModeSmall                  = 2;
@@ -59,6 +68,20 @@ CPToolbarSizeModeSmall                  = 2;
 var CPToolbarsByIdentifier              = nil,
     CPToolbarConfigurationsByIdentifier = nil;
 
+
+@protocol CPToolbarDelegate <CPObject>
+
+@optional
+- (CPToolbarItem)toolbar:(CPToolbar)toolbar itemForItemIdentifier:(CPString)itemIdentifier willBeInsertedIntoToolbar:(BOOL)flag;
+- (CPArray)toolbarAllowedItemIdentifiers:(CPToolbar)toolbar;
+- (CPArray)toolbarDefaultItemIdentifiers:(CPToolbar)toolbar;
+- (void)toolbarDidRemoveItem:(CPNotification)notification;
+- (CPArray)toolbarSelectableItemIdentifiers:(CPToolbar)toolbar;
+- (void)toolbarWillAddItem:(CPNotification)notification;
+
+@end
+
+
 /*!
     @ingroup appkit
     @class CPToolbar
@@ -89,14 +112,15 @@ var CPToolbarsByIdentifier              = nil,
 @implementation CPToolbar : CPObject
 {
     CPString                _identifier;
-    CPToolbarDisplayMode    _displayMode @accessors(property=displayMode);
+    CPToolbarDisplayMode    _displayMode                @accessors(property=displayMode);
     BOOL                    _showsBaselineSeparator;
     BOOL                    _allowsUserCustomization;
     BOOL                    _isVisible;
-    CPToolbarSizeMode       _sizeMode @accessors(property=sizeMode);
+    CPToolbarSizeMode       _sizeMode                   @accessors(property=sizeMode);
     int                     _desiredHeight;
 
-    id                      _delegate;
+    id <CPToolbarDelegate>  _delegate;
+    unsigned                _implementedDelegateMethods;
 
     CPArray                 _itemIdentifiers;
 
@@ -239,6 +263,25 @@ var CPToolbarsByIdentifier              = nil,
         return;
 
     _delegate = aDelegate;
+    _implementedDelegateMethods = 0;
+
+    if ([_delegate respondsToSelector:@selector(toolbar:itemForItemIdentifier:willBeInsertedIntoToolbar:)])
+        _implementedDelegateMethods |= CPToolbarDelegate_toolbar_itemForItemIdentifier_willBeInsertedIntoToolbar_;
+
+    if ([_delegate respondsToSelector:@selector(toolbarAllowedItemIdentifiers:)])
+        _implementedDelegateMethods |= CPToolbarDelegate_toolbarAllowedItemIdentifiers_;
+
+    if ([_delegate respondsToSelector:@selector(toolbarDefaultItemIdentifiers:)])
+        _implementedDelegateMethods |= CPToolbarDelegate_toolbarDefaultItemIdentifiers_;
+
+    if ([_delegate respondsToSelector:@selector(toolbarDidRemoveItem:)])
+        _implementedDelegateMethods |= CPToolbarDelegate_toolbarDidRemoveItem_;
+
+    if ([_delegate respondsToSelector:@selector(toolbarSelectableItemIdentifiers:)])
+        _implementedDelegateMethods |= CPToolbarDelegate_toolbarSelectableItemIdentifiers_;
+
+    if ([_delegate respondsToSelector:@selector(toolbarWillAddItem:)])
+        _implementedDelegateMethods |= CPToolbarDelegate_toolbarWillAddItem_;
 
     [self _reloadToolbarItems];
 }
@@ -289,9 +332,9 @@ var CPToolbarsByIdentifier              = nil,
     // _defaultItems may have been loaded from Cib
     _itemIdentifiers = [_defaultItems valueForKey:@"itemIdentifier"] || [];
 
-    if ([_delegate respondsToSelector:@selector(toolbarDefaultItemIdentifiers:)])
+    if ([self _delegateRespondsToToolbarDefaultItemIdentifiers])
     {
-        var itemIdentifiersFromDelegate = [_delegate toolbarDefaultItemIdentifiers:self];
+        var itemIdentifiersFromDelegate = [self _sendDelegateToolbarDefaultItemIdentifiers];
 
         // If we get items both from the Cib and from the delegate method, put the delegate items before the
         // Cib ones.
@@ -316,7 +359,7 @@ var CPToolbarsByIdentifier              = nil,
             item = [_identifiedItems objectForKey:identifier];
 
         if (!item && _delegate)
-            item = [_delegate toolbar:self itemForItemIdentifier:identifier willBeInsertedIntoToolbar:YES];
+            item = [self _sendDelegateItemForItemIdentifier:identifier willBeInsertedIntoToolbar:YES];
 
         item = [item copy];
 
@@ -394,12 +437,14 @@ var CPToolbarsByIdentifier              = nil,
 - (id)_itemForItemIdentifier:(CPString)identifier willBeInsertedIntoToolbar:(BOOL)toolbar
 {
     var item = [_identifiedItems objectForKey:identifier];
+
     if (!item)
     {
         item = [CPToolbarItem _standardItemWithItemIdentifier:identifier];
+
         if (_delegate && !item)
         {
-            item = [[_delegate toolbar:self itemForItemIdentifier:identifier willBeInsertedIntoToolbar:toolbar] copy];
+            item = [[self _sendDelegateItemForItemIdentifier:identifier willBeInsertedIntoToolbar:toolbar] copy];
             if (!item)
                 [CPException raise:CPInvalidArgumentException
                             reason:@"Toolbar delegate " + _delegate + " returned nil toolbar item for identifier " + identifier];
@@ -414,21 +459,20 @@ var CPToolbarsByIdentifier              = nil,
 /* @ignore */
 - (id)_itemsWithIdentifiers:(CPArray)identifiers
 {
-    var items = [];
-    for (var i = 0; i < identifiers.length; i++)
-        [items addObject:[self _itemForItemIdentifier:identifiers[i] willBeInsertedIntoToolbar:NO]];
-
-    return items;
+    return [identifiers arrayByApplyingBlock:function(identifier)
+    {
+        return [self _itemForItemIdentifier:identifier willBeInsertedIntoToolbar:NO];
+    }];
 }
 
 /* @ignore */
 - (id)_defaultToolbarItems
 {
-    if (!_defaultItems && [_delegate respondsToSelector:@selector(toolbarDefaultItemIdentifiers:)])
+    if (!_defaultItems && [self _delegateRespondsToToolbarDefaultItemIdentifiers])
     {
         _defaultItems = [];
 
-        var identifiers = [_delegate toolbarDefaultItemIdentifiers:self],
+        var identifiers = [self _sendDelegateToolbarDefaultItemIdentifiers],
             index = 0,
             count = [identifiers count];
 
@@ -800,7 +844,6 @@ var _CPToolbarItemInfoMake = function(anIndex, aView, aLabel, aMinWidth)
     var index = 0,
         count = _visibleItems.length,
         x = contentInset.left,
-        contentInset = [self valueForThemeAttribute:@"content-inset"],
         y = contentInset.top;
 
     for (; index < count; ++index)
@@ -1240,3 +1283,89 @@ var LABEL_MARGIN    = 2.0;
 }
 
 @end
+
+
+@implementation CPToolbar (CPToolbarDelegate)
+
+/*
+    @ignore
+    Return YES if the delegate implements toolbarDefaultItemIdentifiers:
+*/
+- (BOOL)_delegateRespondsToToolbarDefaultItemIdentifiers
+{
+    return _implementedDelegateMethods & CPToolbarDelegate_toolbarDefaultItemIdentifiers_;
+}
+
+/*!
+    @ignore
+    Call the delegate toolbar:itemForItemIdentifier:willBeInsertedIntoToolbar:
+*/
+- (CPToolbarItem)_sendDelegateItemForItemIdentifier:(CPString)itemIdentifier willBeInsertedIntoToolbar:(BOOL)flag
+{
+    if (!(_implementedDelegateMethods & CPToolbarDelegate_toolbar_itemForItemIdentifier_willBeInsertedIntoToolbar_))
+        return nil;
+
+    return [_delegate toolbar:self itemForItemIdentifier:itemIdentifier willBeInsertedIntoToolbar:flag];
+}
+
+/*!
+    @ignore
+    Call the delegate toolbarAllowedItemIdentifiers:
+*/
+- (CPArray)_sendDelegateToolbarAllowedItemIdentifiers
+{
+    if (!(_implementedDelegateMethods & CPToolbarDelegate_toolbarAllowedItemIdentifiers_))
+        return [];
+
+    return [_delegate toolbarAllowedItemIdentifiers:self];
+}
+
+/*!
+    @ignore
+    Call the delegate toolbarDefaultItemIdentifiers:
+*/
+- (CPArray)_sendDelegateToolbarDefaultItemIdentifiers
+{
+    if (!(_implementedDelegateMethods & CPToolbarDelegate_toolbarDefaultItemIdentifiers_))
+        return [];
+
+    return [_delegate toolbarDefaultItemIdentifiers:self];
+}
+
+/*!
+    @ignore
+    Call the delegate toolbarDidRemoveItem:
+*/
+- (void)_sendDelegateToolbarDidRemoveItem:(CPNotification)notification
+{
+    if (!(_delegate & CPToolbarDelegate_toolbarDidRemoveItem_))
+        return;
+
+    [_delegate toolbarDidRemoveItem:notification];
+}
+
+/*!
+    @ignore
+    Call the delegate toolbarSelectableItemIdentifiers:
+*/
+- (CPArray)_sendDelegateToolbarSelectableItemIdentifiers
+{
+    if (!(_implementedDelegateMethods & CPToolbarDelegate_toolbarSelectableItemIdentifiers_))
+        return [];
+
+    return [_delegate toolbarSelectableItemIdentifiers:self];
+}
+
+/*!
+    @ignore
+    Call the delegate toolbarWillAddItem:
+*/
+- (void)_sendDelegateToolbarWillAddItem:(CPNotification)notification
+{
+    if (!(_delegate & CPToolbarDelegate_toolbarWillAddItem_))
+        return;
+
+    [_delegate toolbarWillAddItem:notification];
+}
+
+@end

AppKit/CPTrackingArea.j

@@ -0,0 +1,164 @@
+/*
+ * CPTrackingArea.j
+ * AppKit
+ *
+ * Created by Didier Korthoudt.
+ * Copyright 2015, Cappuccino Project.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+@import <Foundation/Foundation.j>
+
+@class CPView
+
+/* @group CPTrackingAreaOptions */
+@typedef CPTrackingAreaOptions
+CPTrackingMouseEnteredAndExited     = 1 << 1;
+CPTrackingMouseMoved                = 1 << 2;
+CPTrackingCursorUpdate              = 1 << 3;
+CPTrackingActiveWhenFirstResponder  = 1 << 4;
+CPTrackingActiveInKeyWindow         = 1 << 5;
+CPTrackingActiveInActiveApp         = 1 << 6;
+CPTrackingActiveAlways              = 1 << 7;
+CPTrackingAssumeInside              = 1 << 8;
+CPTrackingInVisibleRect             = 1 << 9;
+CPTrackingEnabledDuringMouseDrag    = 1 << 10;
+
+var CPTrackingAreaViewRectKey        = @"CPTrackinkAreaViewRectKey",
+    CPTrackingAreaOptionsKey         = @"CPTrackingAreaOptionsKey",
+    CPTrackingAreaOwnerKey           = @"CPTrackingAreaOwnerKey",
+    CPTrackingAreaUserInfoKey        = @"CPTrackingAreaUserInfoKey",
+    CPTrackingAreaReferencingViewKey = @"CPTrackingAreaReferencingViewKey",
+    CPTrackingAreaWindowRect         = @"CPTrackingAreaWindowRect";
+
+CPTrackingOwnerImplementsMouseEntered = 1 << 1;
+CPTrackingOwnerImplementsMouseExited  = 1 << 2;
+CPTrackingOwnerImplementsMouseMoved   = 1 << 3;
+CPTrackingOwnerImplementsCursorUpdate = 1 << 4;
+
+/*!
+ @ingroup appkit
+ 
+ A CPTrackingArea defines a region of view that generates mouse-tracking and
+ cursor-update events when the mouse is over that region.
+ */
+@implementation CPTrackingArea : CPObject
+{
+    CGRect                  _viewRect                   @accessors(getter=rect);
+    CPTrackingAreaOptions   _options                    @accessors(getter=options);
+    id                      _owner                      @accessors(getter=owner);
+    CPDictionary            _userInfo                   @accessors(getter=userInfo);
+    
+    CPView                  _referencingView            @accessors(property=view);
+    CGRect                  _windowRect                 @accessors(getter=windowRect);
+
+    unsigned                _implementedOwnerMethods    @accessors(getter=implementedOwnerMethods);
+}
+
+
+#pragma mark -
+#pragma mark Initialization
+
+/*! 
+ Initializes and returns an object defining a region of a view to receive mouse-tracking events, mouse-moved events, cursor-update events, or possibly 
+ all these events.
+ */
+- (CPTrackingArea)initWithRect:(CGRect)aRect options:(CPTrackingAreaOptions)options owner:(id)owner userInfo:(CPDictionary)userInfo
+{
+    if (owner === nil)
+        [CPException raise:CPInternalInconsistencyException reason:"No owner specified"];
+
+    if (options === 0)
+        [CPException raise:CPInternalInconsistencyException reason:"Invalid CPTrackingArea options"];
+
+    // Check options:
+    // - at least one of CPTrackingMouseEnteredAndExited, CPTrackingMouseMoved, CPTrackingCursorUpdate
+    // - exactly  one of CPTrackingActiveWhenFirstResponder, CPTrackingActiveInKeyWindow, CPTrackingActiveInActiveApp, CPTrackingActiveAlways
+    // - no check on CPTrackingAssumeInside, CPTrackingInVisibleRect, CPTrackingEnableDuringMouseDrag
+
+    if (!((options & CPTrackingMouseEnteredAndExited) || (options & CPTrackingMouseMoved) || (options & CPTrackingCursorUpdate)))
+        [CPException raise:CPInternalInconsistencyException reason:"Invalid CPTrackingAreaOptions: must use at least one of [CPTrackingMouseEnteredAndExited | CPTrackingMouseMoved | CPTrackingCursorUpdate]"];
+
+    if ((((options & CPTrackingActiveWhenFirstResponder) > 0) + ((options & CPTrackingActiveInKeyWindow) > 0) + ((options & CPTrackingActiveInActiveApp) > 0) + ((options & CPTrackingActiveAlways) > 0)) !== 1)
+        [CPException raise:CPInternalInconsistencyException reason:"Tracking area options may only specify one of [CPTrackingActiveWhenFirstResponder | CPTrackingActiveInKeyWindow | CPTrackingActiveInActiveApp | CPTrackingActiveAlways]."];
+
+    if (self = [super init])
+    {
+        _viewRect = aRect;
+        _options  = options;
+        _owner    = owner;
+        _userInfo = userInfo;
+
+        // Cache owner implemented methods
+
+        if ([_owner respondsToSelector:@selector(mouseEntered:)])
+            _implementedOwnerMethods |= CPTrackingOwnerImplementsMouseEntered;
+
+        if ([_owner respondsToSelector:@selector(mouseExited:)])
+            _implementedOwnerMethods |= CPTrackingOwnerImplementsMouseExited;
+
+        if ([_owner respondsToSelector:@selector(mouseMoved:)])
+            _implementedOwnerMethods |= CPTrackingOwnerImplementsMouseMoved;
+
+        if ([_owner respondsToSelector:@selector(cursorUpdate:)])
+            _implementedOwnerMethods |= CPTrackingOwnerImplementsCursorUpdate;
+    }
+    
+    return self;
+}
+
+
+#pragma mark -
+#pragma mark Implementation
+
+- (void)_updateWindowRect
+{
+    _windowRect = [_referencingView convertRect:((_options & CPTrackingInVisibleRect) ? [_referencingView visibleRect] : _viewRect) toView:[[_referencingView window] _windowView]];
+}
+
+@end
+
+#pragma mark -
+#pragma mark CPCoding
+
+@implementation CPTrackingArea (CPCoding)
+
+- (id)initWithCoder:(CPCoder)aCoder
+{
+    if (self = [super init])
+    {
+        _viewRect        = [aCoder decodeObjectForKey:CPTrackingAreaViewRectKey];
+        _options         = [aCoder decodeObjectForKey:CPTrackingAreaOptionsKey];
+        _owner           = [aCoder decodeObjectForKey:CPTrackingAreaOwnerKey];
+        _userInfo        = [aCoder decodeObjectForKey:CPTrackingAreaUserInfoKey];
+        _referencingView = [aCoder decodeObjectForKey:CPTrackingAreaReferencingViewKey];
+        _windowRect      = [aCoder decodeObjectForKey:CPTrackingAreaWindowRect];
+    }
+    
+    return self;
+}
+
+- (void)encodeWithCoder:(CPCoder)aCoder
+{
+    [aCoder encodeObject:_viewRect        forKey:CPTrackingAreaViewRectKey];
+    [aCoder encodeObject:_options         forKey:CPTrackingAreaOptionsKey];
+    [aCoder encodeObject:_owner           forKey:CPTrackingAreaOwnerKey];
+    [aCoder encodeObject:_userInfo        forKey:CPTrackingAreaUserInfoKey];
+    [aCoder encodeObject:_referencingView forKey:CPTrackingAreaReferencingViewKey];
+    [aCoder encodeObject:_windowRect      forKey:CPTrackingAreaWindowRect];
+}
+
+@end

AppKit/CPViewController.j

@@ -149,9 +149,10 @@ var CPViewControllerCachedCibs;
 
     If you use Interface Builder to create your views, and you initialize the
     controller using the initWithCibName:bundle: methods, then you MUST NOT override
-    this method. The consequences risk shattering the space-time continuum.
-
-    Note: The cib loading system is currently synchronous.
+    this method.
+    
+    @note When using this method, the cib loading system is synchronous.
+    See the loadViewWithCompletionHandler: method for an asynchronous loading.
 */
 - (void)loadView
 {
@@ -176,6 +177,67 @@ var CPViewControllerCachedCibs;
         _view = [CPView new];
 }
 
+/*!
+    Loads asynchronously the cib and creates the view that the controller manages.
+    
+    @param aHandler A function passing the loaded view as the first argument
+    and a network error or nil as the second argument: function(view, error).
+    
+    @note If the view has already been loaded, the completion handler is run immediatly 
+    and the process is synchronous.
+*/
+- (void)loadViewWithCompletionHandler:(Function/*(view, error)*/)aHandler
+{
+    if (_view)
+        return;
+
+    if (_cibName)
+    {
+        // check if a cib is already cached for the current _cibName
+        var cib = [CPViewControllerCachedCibs objectForKey:_cibName];
+
+        if (!cib)
+        {
+            var cibName = _cibName;
+
+            if (![cibName hasSuffix:@".cib"])
+                cibName = [cibName stringByAppendingString:@".cib"];
+
+            // If aBundle is nil, use mainBundle, but ONLY for searching for the nib, not for resources later.
+            var bundle = _cibBundle || [CPBundle mainBundle],
+                url = [bundle _cibPathForResource:cibName];
+
+            // if the cib isn't cached yet : fetch it and cache it
+            [CPURLConnection sendAsynchronousRequest:[CPURLRequest requestWithURL:url] queue:[CPOperationQueue mainQueue] completionHandler:function(aResponse, aData, anError)
+            {
+                if (anError == nil)
+                {
+                    var data = [CPData dataWithRawString:aData],
+                        aCib = [[CPCib alloc] _initWithData:data bundle:_cibBundle cibName:_cibName];
+
+                    [CPViewControllerCachedCibs setObject:aCib forKey:_cibName];
+                    [aCib instantiateCibWithExternalNameTable:_cibExternalNameTable];
+                    aHandler(_view, nil);
+                }
+                else
+                {
+                    aHandler(nil, anError);
+                }
+            }];
+        }
+        else
+        {
+            [cib instantiateCibWithExternalNameTable:_cibExternalNameTable];
+            aHandler(_view, nil);
+        }
+    }
+    else
+    {
+        _view = [CPView new];
+        aHandler(_view, nil);
+    }
+}
+
 /*!
     Returns the view that the controller manages.
 
@@ -210,6 +272,7 @@ var CPViewControllerCachedCibs;
             [cibOwner viewControllerDidLoadCib:self];
 
         _isLoading = NO;
+        _isLazy = NO;
         [self _viewDidLoad];
     }
     else if (_isLazy)

AppKit/CPVisualEffectView.j

@@ -0,0 +1,186 @@
+/*
+ * CPVisualEffectView.j
+ * AppKit
+ *
+ * Created by Antoine Mercadal.
+ * Copyright 2015, 280 Cappuccino Project.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+@import <Foundation/Foundation.j>
+@import "CPAppearance.j"
+@import "CPView.j"
+
+@typedef CPVisualEffectMaterial
+CPVisualEffectMaterialAppearanceBased       = 0;
+CPVisualEffectMaterialLight                 = 1;
+CPVisualEffectMaterialDark                  = 2;
+CPVisualEffectMaterialTitlebar              = 3;
+
+@typedef CPVisualEffectBlendingMode
+CPVisualEffectBlendingModeBehindWindow      = 0;
+CPVisualEffectBlendingModeWithinWindow      = 1;
+
+@typedef CPVisualEffectState
+CPVisualEffectStateFollowsWindowActiveState = 0;
+CPVisualEffectStateActive                   = 1;
+CPVisualEffectStateInactive                 = 2;
+
+
+/*! @ingroup appkit
+
+    Very naive implementation of CPVisualEffectView. This view allows
+    to use vibrancy effect. This is only working with Safari 9+ and the
+    support in Chrome/ium should come quite soon.
+    Using this class with a browser that doesn't support backdrop-filter
+    While still work, but you will not get the blurry effect.
+*/
+@implementation CPVisualEffectView : CPView
+{
+    CPImage                     _maskImage                  @accessors(property=maskImage);
+    CPVisualEffectBlendingMode  _blendingMode               @accessors(property=blendingMode);
+    CPVisualEffectMaterial      _material                   @accessors(property=material);
+    CPVisualEffectState         _state                      @accessors(property=state);
+}
+
+
+#pragma mark -
+#pragma mark Initialization
+
+- (id)initWithFrame:(CGRect)aFrame
+{
+    if (self = [super initWithFrame:aFrame])
+    {
+        _material                = CPVisualEffectMaterialAppearanceBased;
+        _blendingMode            = CPVisualEffectBlendingModeWithinWindow;
+        _state                   = CPVisualEffectStateFollowsWindowActiveState;
+        _appearance              = [CPAppearance appearanceNamed:CPAppearanceNameVibrantDark];
+    }
+
+    return self;
+}
+
+
+#pragma mark -
+#pragma mark CPVisualEffectView API
+
+/*! Sets the appearance of the CPVisualEffectView.
+
+    Only CPAppearance named CPAppearanceNameVibrantDark or CPAppearanceNameVibrantLight are valid
+
+    @param anAppearance the CPAppearance.
+*/
+- (void)setAppearance:(CPAppearance)anAppearance
+{
+    if (![self _validAppearance:anAppearance])
+        [CPException raise:CPInvalidArgumentException reason:"Appearance can only be CPAppearanceNameVibrantDark or CPAppearanceNameVibrantLight in CPVisualEffectView, but is " + anAppearance];
+
+    [super setAppearance:anAppearance];
+
+    [self setNeedsLayout:YES];
+}
+
+/*! Sets the received effect state.
+    Possible values:
+    <pre>
+    CPVisualEffectStateFollowsWindowActiveState (default)
+    CPVisualEffectStateActive
+    CPVisualEffectStateInactive
+    </pre>
+*/
+- (void)setState:(CPVisualEffectState)aState
+{
+    if (_state == aState)
+        return;
+
+    [self willChangeValueForKey:"state"];
+    _state = aState;
+    [self didChangeValueForKey:"state"];
+
+    [self setNeedsLayout:YES];
+}
+
+
+#pragma mark -
+#pragma mark Utilities
+
+- (void)_setEffectEnabled:(BOOL)shouldEnable
+{
+    var dark       = [[self appearance] isEqual:[CPAppearance appearanceNamed:CPAppearanceNameVibrantDark]],
+        prop       = CPBrowserStyleProperty("backdrop-filter"),
+        color      = (dark ? [CPColor colorWithHexString:@"1e1e1e"] : [CPColor whiteColor]),
+        finalColor = shouldEnable ? [color colorWithAlphaComponent:0.6] : color;
+
+    [self setBackgroundColor:finalColor];
+
+#if PLATFORM(DOM)
+    self._DOMElement.style[prop] = shouldEnable ? "blur(30px)" : nil;
+#endif
+
+}
+
+- (void)layoutSubviews
+{
+    switch (_state)
+    {
+        case CPVisualEffectStateFollowsWindowActiveState:
+            [self _setEffectEnabled:[self hasThemeState:CPThemeStateKeyWindow]];
+            break;
+
+        case CPVisualEffectStateActive:
+            [self _setEffectEnabled:YES];
+            break;
+
+        case CPVisualEffectStateInactive:
+            [self _setEffectEnabled:NO];
+            break;
+    }
+}
+
+- (BOOL)_validAppearance:(CPAppearance)anAppearance
+{
+    return [anAppearance isEqual:[CPAppearance appearanceNamed:CPAppearanceNameVibrantDark]] || [anAppearance isEqual:[CPAppearance appearanceNamed:CPAppearanceNameVibrantLight]];
+}
+
+
+#pragma mark -
+#pragma mark CPCoding
+
+- (id)initWithCoder:(CPCoder)aCoder
+{
+    if (self = [super initWithCoder:aCoder])
+    {
+        _blendingMode = [aCoder decodeIntForKey:@"_blendingMode"] || CPVisualEffectBlendingModeWithinWindow;
+        _maskImage    = [aCoder decodeObjectForKey:@"_maskImage"];
+        _material     = [aCoder decodeIntForKey:@"_material"] || CPVisualEffectMaterialAppearanceBased;
+        _state        = [aCoder decodeIntForKey:@"_state"] || CPVisualEffectStateFollowsWindowActiveState;
+    }
+
+    return self;
+}
+
+- (void)encodeWithCoder:(CPCoder)aCoder
+{
+    [super encodeWithCoder:aCoder];
+
+    [aCoder encodeObject:_maskImage forKey:@"_maskImage"];
+    [aCoder encodeInt:_blendingMode forKey:@"_blendingMode"];
+    [aCoder encodeInt:_material forKey:@"_material"];
+    [aCoder encodeInt:_state forKey:@"_state"];
+}
+
+
+@end

AppKit/CPWebView.j

@@ -23,6 +23,9 @@
 @import "CPView.j"
 @import "CPScrollView.j"
 
+@class CPWebScriptObject
+
+@typedef Window
 
 // FIXME: implement these where possible:
 /*
@@ -93,7 +96,7 @@ CPWebViewAppKitScrollMaxPollCount                  = 3;
     CPScrollView        _scrollView;
     CPView              _frameView;
 
-    IFrame              _iframe;
+    DOMElement          _iframe;
     CPString            _mainFrameURL;
     CPArray             _backwardStack;
     CPArray             _forwardStack;

AppKit/CPWindow/CPWindow_Constants.j

@@ -81,6 +81,7 @@ CPWindowMinYMargin              = 8;
 CPWindowHeightSizable           = 16;
 CPWindowMaxYMargin              = 32;
 
+@typedef CPWindowLevel
 CPBackgroundWindowLevel         = -1;
 /*
     Default level for windows
@@ -143,6 +144,7 @@ CPDraggingWindowLevel           = 500;
 */
 CPScreenSaverWindowLevel        = 1000;
 
+@typedef CPWindowOrderingMode
 /*
     The receiver is placed directly in front of the window specified.
     @global

AppKit/CPWindow/_CPHUDWindowView.j

@@ -27,7 +27,6 @@
 
 @implementation _CPHUDWindowView : _CPTitleableWindowView
 {
-    CPView              _toolbarView;
     CPButton            _closeButton;
 }
 

AppKit/CPWindow/_CPPopoverWindowView.j

@@ -26,7 +26,6 @@
 @import "CGGradient.j"
 @import "_CPWindowView.j"
 
-@global CPPopoverAppearanceMinimal
 
 var _CPPopoverWindowViewDefaultCursorSize = CGSizeMake(16, 10);
 
@@ -39,7 +38,6 @@ var _CPPopoverWindowViewDefaultCursorSize = CGSizeMake(16, 10);
 {
     float       _arrowOffsetX   @accessors(property=arrowOffsetX);
     float       _arrowOffsetY   @accessors(property=arrowOffsetY);
-    int         _appearance     @accessors(property=appearance);
     unsigned    _preferredEdge  @accessors(property=preferredEdge);
 
     CGSize      _cursorSize;
@@ -123,7 +121,7 @@ var _CPPopoverWindowViewDefaultCursorSize = CGSizeMake(16, 10);
     {
         _arrowOffsetX = 0.0;
         _arrowOffsetY = 0.0;
-        _appearance = CPPopoverAppearanceMinimal;
+        _appearance = [CPAppearance appearanceNamed:CPAppearanceNameVibrantLight];
         _cursorSize = CGSizeMakeCopy(_CPPopoverWindowViewDefaultCursorSize);
     }
 
@@ -168,7 +166,7 @@ var _CPPopoverWindowViewDefaultCursorSize = CGSizeMake(16, 10);
         gradient,
         frame = [self bounds];
 
-    if (_appearance == CPPopoverAppearanceMinimal)
+    if ([_appearance isEqual:[CPAppearance appearanceNamed:CPAppearanceNameVibrantLight]])
     {
         gradient = [self valueForThemeAttribute:@"background-gradient"];
         strokeColor = [self valueForThemeAttribute:@"stroke-color"];

AppKit/CPWindow/_CPStandardWindowView.j

@@ -94,7 +94,6 @@ var _CPStandardWindowViewDividerViewHeight = 1.0;
     _CPTexturedWindowHeadView   _headView;
     CPView                      _dividerView;
     CPView                      _bodyView;
-    CPView                      _toolbarView;
 
     CPButton                    _closeButton;
     CPButton                    _minimizeButton;

AppKit/CPWindow/_CPWindowView.j

@@ -353,7 +353,9 @@ _CPWindowViewResizeSlop = 3;
     if ([theWindow isFullPlatformWindow] ||
         !(_styleMask & CPResizableWindowMask) ||
         (CPWindowResizeStyle !== CPWindowResizeStyleModern))
+    {
         return;
+    }
 
     var globalPoint = [theWindow convertBaseToGlobal:aPoint],
         resizeRegion = isResizing ? _resizeRegion : [self resizeRegionForPoint:globalPoint],
@@ -969,3 +971,18 @@ _CPWindowViewResizeSlop = 3;
 }
 
 @end
+
+@implementation _CPWindowView (TrackingAreaAdditions)
+
+- (void)updateTrackingAreas
+{
+    [self removeAllTrackingAreas];
+
+    [self addTrackingArea:[[CPTrackingArea alloc] initWithRect:[self contentRectForFrameRect:[self frame]]
+                                                       options:CPTrackingCursorUpdate | CPTrackingActiveInActiveApp
+                                                         owner:self
+                                                      userInfo:nil]];
+}
+
+@end
+

AppKit/CPWindowController.j

@@ -25,6 +25,7 @@
 
 @import "CPCib.j"
 @import "CPResponder.j"
+@import "CPViewController.j"
 @import "CPWindow.j"
 
 @class CPDocument

AppKit/Cib/CPCib.j

@@ -32,6 +32,7 @@
 @import "_CPCibObjectData.j"
 @import "_CPCibProxyObject.j"
 @import "_CPCibWindowTemplate.j"
+@import "_CPLocalizableString.j"
 
 CPCibOwner              = @"CPCibOwner";
 CPCibTopLevelObjects    = @"CPCibTopLevelObjects";
@@ -46,19 +47,34 @@ var CPCibObjectDataKey  = @"CPCibObjectDataKey";
 
 @implementation CPCib : CPObject
 {
-    CPData      _data;
-    CPBundle    _bundle;
-    BOOL        _awakenCustomResources;
+    BOOL        _awakenCustomResources @accessors(property=_awakenCustomResources);
 
+    CPBundle    _bundle;
+    CPData      _data;
+    CPString    _cibName;
     id          _loadDelegate;
 }
 
+- (id)_initWithData:(CPData)data bundle:(CPBundle)aBundle cibName:(CPString)aCibName
+{
+    self = [super init];
+
+    _data = data;
+    _cibName = aCibName;
+    _bundle = aBundle;
+    _awakenCustomResources = YES;
+
+    return self;
+}
+
 - (id)initWithContentsOfURL:(CPURL)aURL
 {
     self = [super init];
 
     if (self)
     {
+        _cibName = [aURL lastPathComponent];
+
         _data = [CPURLConnection sendSynchronousRequest:[CPURLRequest requestWithURL:aURL] returningResponse:nil];
 
         if (!_data)
@@ -76,6 +92,8 @@ var CPCibObjectDataKey  = @"CPCibObjectDataKey";
 
     if (self)
     {
+        _cibName = [aURL lastPathComponent];
+
         [CPURLConnection connectionWithRequest:[CPURLRequest requestWithURL:aURL] delegate:self];
 
         _awakenCustomResources = YES;
@@ -92,7 +110,9 @@ var CPCibObjectDataKey  = @"CPCibObjectDataKey";
         aName = [aName stringByAppendingString:@".cib"];
 
     // If aBundle is nil, use mainBundle, but ONLY for searching for the nib, not for resources later.
-    self = [self initWithContentsOfURL:[aBundle || [CPBundle mainBundle] pathForResource:aName]];
+    var bundle = aBundle || [CPBundle mainBundle];
+
+    self = [self initWithContentsOfURL:[bundle _cibPathForResource:aName]];
 
     if (self)
         _bundle = aBundle;
@@ -106,7 +126,9 @@ var CPCibObjectDataKey  = @"CPCibObjectDataKey";
         aName = [aName stringByAppendingString:@".cib"];
 
     // If aBundle is nil, use mainBundle, but ONLY for searching for the nib, not for resources later.
-    self = [self initWithContentsOfURL:[aBundle || [CPBundle mainBundle] pathForResource:aName] loadDelegate:aLoadDelegate];
+    var bundle = aBundle || [CPBundle mainBundle];
+
+    self = [self initWithContentsOfURL:[bundle _cibPathForResource:aName] loadDelegate:aLoadDelegate];
 
     if (self)
         _bundle = aBundle;
@@ -114,16 +136,6 @@ var CPCibObjectDataKey  = @"CPCibObjectDataKey";
     return self;
 }
 
-- (void)_setAwakenCustomResources:(BOOL)shouldAwakenCustomResources
-{
-    _awakenCustomResources = shouldAwakenCustomResources;
-}
-
-- (BOOL)_awakenCustomResources
-{
-    return _awakenCustomResources;
-}
-
 - (BOOL)instantiateCibWithExternalNameTable:(CPDictionary)anExternalNameTable
 {
     var bundle = _bundle,
@@ -132,7 +144,7 @@ var CPCibObjectDataKey  = @"CPCibObjectDataKey";
     if (!bundle && owner)
         bundle = [CPBundle bundleForClass:[owner class]];
 
-    var unarchiver = [[_CPCibKeyedUnarchiver alloc] initForReadingWithData:_data bundle:bundle awakenCustomResources:_awakenCustomResources],
+    var unarchiver = [[_CPCibKeyedUnarchiver alloc] initForReadingWithData:_data bundle:bundle awakenCustomResources:_awakenCustomResources cibName:_cibName],
         replacementClasses = [anExternalNameTable objectForKey:CPCibReplacementClasses];
 
     if (replacementClasses)
@@ -226,4 +238,4 @@ var CPCibDataFileKey = @"CPCibDataFileKey",
     [aCoder encodeObject:[_data base64] forKey:CPCibDataFileKey];
 }
 
-@end
+@end

AppKit/Cib/CPCibControlConnector.j

@@ -51,7 +51,7 @@
 
     // Not being able to set the action is a fatal error.
     if ([_source respondsToSelector:@selector(setAction:)])
-        objj_msgSend(_source, @selector(setAction:), selector);
+        [_source setAction:selector];
 
     else
         [CPException
@@ -60,7 +60,7 @@
 
     // Not being able to set the target is a fatal error.
     if ([_source respondsToSelector:@selector(setTarget:)])
-        objj_msgSend(_source, @selector(setTarget:), _destination);
+        [_source setTarget:_destination];
 
     else
         [CPException

AppKit/Cib/CPCibHelpConnector.j

@@ -24,7 +24,6 @@
 
 @implementation CPCibHelpConnector : CPCibConnector
 {
-    id _destination;
     id _file;
     id _marker;
 }

AppKit/Cib/CPCibLoading.j

@@ -26,7 +26,11 @@
 
 @import "CPCib.j"
 
-var CPCibOwner = @"CPCibOwner";
+var CPCibOwner = @"CPCibOwner",
+    CPBundleDefaultLanguage = @"CPBundleDefaultLanguage",
+    CPBundleTypeOfLocalization = @"CPBundleTypeOfLocalization",
+    CPBundleBaseLocalizationType = @"CPBundleBaseLocalizationType",
+    CPBundleInterfaceBuilderLocalizationType = @"CPBundleInterfaceBuilderLocalizationType";
 
 @implementation CPObject (CPCibLoading)
 
@@ -45,14 +49,7 @@ var CPCibOwner = @"CPCibOwner";
 
 + (CPCib)loadCibNamed:(CPString)aName owner:(id)anOwner
 {
-    if (![aName hasSuffix:@".cib"])
-        aName = [aName stringByAppendingString:@".cib"];
-
-    // Path is based solely on anOwner:
-    var bundle = anOwner ? [CPBundle bundleForClass:[anOwner class]] : [CPBundle mainBundle],
-        path = [bundle pathForResource:aName];
-
-    return [self loadCibFile:path externalNameTable:@{ CPCibOwner: anOwner }];
+    return [self loadCibFile:[self _cibPathForName:aName withOwner:anOwner] externalNameTable:@{ CPCibOwner: anOwner }];
 }
 
 - (CPCib)loadCibFile:(CPString)aFileName externalNameTable:(CPDictionary)aNameTable
@@ -71,14 +68,7 @@ var CPCibOwner = @"CPCibOwner";
 
 + (CPCib)loadCibNamed:(CPString)aName owner:(id)anOwner loadDelegate:(id)aDelegate
 {
-    if (![aName hasSuffix:@".cib"])
-        aName = [aName stringByAppendingString:@".cib"];
-
-    // Path is based solely on anOwner:
-    var bundle = anOwner ? [CPBundle bundleForClass:[anOwner class]] : [CPBundle mainBundle],
-        path = [bundle pathForResource:aName];
-
-    return [self loadCibFile:path externalNameTable:@{ CPCibOwner: anOwner } loadDelegate:aDelegate];
+    return [self loadCibFile:[self _cibPathForName:aName withOwner:anOwner] externalNameTable:@{ CPCibOwner: anOwner } loadDelegate:aDelegate];
 }
 
 - (CPCib)loadCibFile:(CPString)aFileName externalNameTable:(CPDictionary)aNameTable loadDelegate:(id)aDelegate
@@ -91,6 +81,30 @@ var CPCibOwner = @"CPCibOwner";
                    externalNameTable:aNameTable]]);
 }
 
+- (CPString)_cibPathForResource:(CPString)aName
+{
+    var defaultBundleLanguage = [self objectForInfoDictionaryKey:CPBundleDefaultLanguage],
+        typeOfLocalization = [self objectForInfoDictionaryKey:CPBundleTypeOfLocalization];
+
+    if (defaultBundleLanguage && (!typeOfLocalization || typeOfLocalization == CPBundleBaseLocalizationType))
+        aName = @"Base.lproj/" + aName;
+    else if (defaultBundleLanguage && typeOfLocalization == CPBundleInterfaceBuilderLocalizationType)
+        aName = _bundle.loadedLanguage() + ".lproj/" + aName;
+
+    return [self pathForResource:aName];
+}
+
++ (CPString)_cibPathForName:(CPString)aName withOwner:(id)anOwner
+{
+    if (![aName hasSuffix:@".cib"])
+        aName = [aName stringByAppendingString:@".cib"];
+
+    // Path is based solely on anOwner:
+    var bundle = anOwner ? [CPBundle bundleForClass:[anOwner class]] : [CPBundle mainBundle];
+
+    return [bundle _cibPathForResource:aName];
+}
+
 @end
 
 @implementation _CPCibLoadDelegate : CPObject

AppKit/Cib/_CPCibKeyedUnarchiver.j

@@ -21,16 +21,22 @@
  */
 
 @import <Foundation/CPKeyedUnarchiver.j>
-
+@import <Foundation/CPBundle.j>
 
 @implementation _CPCibKeyedUnarchiver : CPKeyedUnarchiver
 {
-    CPBundle        _bundle;
-    BOOL            _awakenCustomResources;
-    CPDictionary    _externalObjectsForProxyIdentifiers;
+    BOOL            _awakenCustomResources              @accessors(getter=awakenCustomResources);
+    CPBundle        _bundle                             @accessors(getter=bundle);
+    CPDictionary    _externalObjectsForProxyIdentifiers @accessors(setter=setExternalObjectsForProxyIdentifiers:);
+    CPString        _cibName                            @accessors(getter=cibName);
 }
 
 - (id)initForReadingWithData:(CPData)data bundle:(CPBundle)aBundle awakenCustomResources:(BOOL)shouldAwakenCustomResources
+{
+    return [self initForReadingWithData:data bundle:aBundle awakenCustomResources:shouldAwakenCustomResources cibName:@""];
+}
+
+- (id)initForReadingWithData:(CPData)data bundle:(CPBundle)aBundle awakenCustomResources:(BOOL)shouldAwakenCustomResources cibName:(CPString)aCibName
 {
     self = [super initForReadingWithData:data];
 
@@ -38,6 +44,7 @@
     {
         _bundle = aBundle;
         _awakenCustomResources = shouldAwakenCustomResources;
+        _cibName = aCibName;
 
         [self setDelegate:self];
     }
@@ -45,21 +52,6 @@
     return self;
 }
 
-- (CPBundle)bundle
-{
-    return _bundle;
-}
-
-- (BOOL)awakenCustomResources
-{
-    return _awakenCustomResources;
-}
-
-- (void)setExternalObjectsForProxyIdentifiers:(CPDictionary)externalObjectsForProxyIdentifiers
-{
-    _externalObjectsForProxyIdentifiers = externalObjectsForProxyIdentifiers;
-}
-
 - (id)externalObjectForProxyIdentifier:(CPString)anIdentifier
 {
     return [_externalObjectsForProxyIdentifiers objectForKey:anIdentifier];

AppKit/Cib/_CPLocalizableString.j

@@ -0,0 +1,62 @@
+/*
+ * _CPLocalizableString.j
+ * AppKit
+ *
+ * Created by Alexandre Wilhelm.
+ * Copyright 2015, Cappuccino Project
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+@import <Foundation/CPString.j>
+@import <Foundation/CPCharacterSet.j>
+
+@implementation _CPLocalizableString : CPObject
+{
+    CPString _dev   @accessors(property=dev);
+    CPString _key   @accessors(property=key);
+    CPString _value @accessors(property=value);
+}
+
+@end
+
+
+var CPLocalizableStringDev = @"CPLocalizableStringDev",
+    CPLocalizableStringKey = @"CPLocalizableStringKey",
+    CPLocalizableStringValue = @"CPLocalizableStringValue";
+
+@implementation _CPLocalizableString (CPCoding)
+
+- (id)initWithCoder:(CPCoder)aCoder
+{
+    [self init];
+
+    _dev = [aCoder decodeObjectForKey:CPLocalizableStringDev];
+    _key = [aCoder decodeObjectForKey:CPLocalizableStringKey];
+    _value = [aCoder decodeObjectForKey:CPLocalizableStringValue];
+
+    var tableName = [[aCoder cibName] stringByTrimmingCharactersInSet:[CPCharacterSet characterSetWithCharactersInString:@".cib"]];
+
+    return [[aCoder bundle] localizedStringForKey:_key value:_value table:tableName];
+}
+
+- (void)encodeWithCoder:(CPCoder)aCoder
+{
+    [aCoder encodeObject:_dev forKey:CPLocalizableStringDev];
+    [aCoder encodeObject:_key forKey:CPLocalizableStringKey];
+    [aCoder encodeObject:_value forKey:CPLocalizableStringValue];
+}
+
+@end

AppKit/CoreAnimation/CALayer.j

@@ -27,7 +27,8 @@
 
 @import "CGContext.j"
 @import "CGGeometry.j"
-
+@import "CPColor.j"
+@import "CPView.j"
 
 #define DOM(aLayer) aLayer._DOMElement
 
@@ -494,6 +495,7 @@ var CALayerRegisteredRunLoopUpdates             = nil;
 */
 - (void)display
 {
+#if PLATFORM(DOM)
     if (!_context)
     {
         _context = CGBitmapGraphicsContextCreate();
@@ -532,6 +534,7 @@ var CALayerRegisteredRunLoopUpdates             = nil;
 
         [self drawInContext:CABackingStoreGetContext(_contents)];
     }
+#endif
 
     [self composite];
 }
@@ -794,7 +797,6 @@ if (_DOMContentsElement && aLayer._zPosition > _DOMContentsElement.style.zIndex)
 
         if (mask & CALayerDisplayUpdateMask)
             [layer display];
-
         else if (mask & CALayerFrameSizeUpdateMask || mask & CALayerCompositeUpdateMask)
             [layer composite];
 
@@ -1036,6 +1038,7 @@ function _CALayerUpdateSublayerTransformForSublayers(aLayer)
 
 function _CALayerUpdateDOM(aLayer, aMask)
 {
+#if PLATFORM(DOM)
     var DOMElementStyle = aLayer._DOMElement.style;
 
     if (aMask & CALayerZPositionUpdateMask)
@@ -1066,6 +1069,7 @@ function _CALayerUpdateDOM(aLayer, aMask)
             DOMContentsElement.style.height = height + "px";
         }
     }
+#endif
 }
 
 function _CALayerRecalculateGeometry(aLayer, aGeometryChange)