Files
cappuccino/AppKit/CPSegmentedControl.j
T
Mathieu Monney 4a31467afb FIXED: CPSegementedControl with nib2cib crashes
When having a CPSegmentedControl within a a XIB files, nib2cib crashes with the following error:

```
'undefined' is not an object (evaluating 'self._themeStates[aSegment].without')
```

This pull request fixes the problem by making sure that the drawBezel method is called with a valid segment index when accessing the themeState.

Reduction: https://dl.dropboxusercontent.com/u/14629300/BugCPSegmentedControl.zip
2014-03-17 10:46:39 +01:00

1094 lines
33 KiB
Plaintext

/*
* CPSegmentedControl.j
* AppKit
*
* Created by Francisco Tolmasky.
* Copyright 2008, 280 North, Inc.
*
* 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/CPArray.j>
@import "CPControl.j"
@import "CPWindow_Constants.j"
@import "_CPImageAndTextView.j"
@global CPApp
CPSegmentSwitchTrackingSelectOne = 0;
CPSegmentSwitchTrackingSelectAny = 1;
CPSegmentSwitchTrackingMomentary = 2;
/*!
@ingroup appkit
@class CPSegmentedControl
This class is a horizontal button with multiple segments.
*/
@implementation CPSegmentedControl : CPControl
{
CPArray _segments;
CPArray _themeStates;
int _selectedSegment;
int _segmentStyle;
CPSegmentSwitchTracking _trackingMode;
unsigned _trackingSegment;
BOOL _trackingHighlighted;
}
+ (CPString)defaultThemeClass
{
return "segmented-control";
}
+ (CPDictionary)themeAttributes
{
return @{
@"alignment": CPCenterTextAlignment,
@"vertical-alignment": CPCenterVerticalTextAlignment,
@"image-position": CPImageLeft,
@"image-scaling": CPImageScaleNone,
@"bezel-inset": CGInsetMakeZero(),
@"content-inset": CGInsetMakeZero(),
@"left-segment-bezel-color": [CPNull null],
@"right-segment-bezel-color": [CPNull null],
@"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 = [];
_themeStates = [];
self = [super initWithFrame:aRect];
if (self)
{
_selectedSegment = -1;
_trackingMode = CPSegmentSwitchTrackingSelectOne;
}
return self;
}
- (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");
else
[super bind:aBinding toObject:anObject withKeyPath:aKeyPath options:options];
}
- (void)_reverseSetBinding
{
[_CPSegmentedControlBinder reverseSetValueForObject:self];
}
/*!
Returns the tag of the selected segment.
*/
- (int)selectedTag
{
return [_segments[_selectedSegment] tag];
}
// Specifying the number of segments
/*!
Sets the number of segments in the button.
@param aCount the number of segments on the button
*/
- (void)setSegmentCount:(unsigned)aCount
{
if (_segments.length == aCount)
return;
var height = CGRectGetHeight([self bounds]),
dividersBefore = MAX(0, _segments.length - 1),
dividersAfter = MAX(0, aCount - 1);
if (_segments.length < aCount)
{
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;
}
if (_selectedSegment >= _segments.length)
_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];
}
/*!
Returns the number of segments in the button.
*/
- (unsigned)segmentCount
{
return _segments.length;
}
// Specifying Selected Segment
/*!
Selects a segment.
@param aSegment the segment to select
@throws CPRangeException if \c aSegment is out of bounds
*/
- (void)setSelectedSegment:(unsigned)aSegment
{
// setSelected:forSegment throws the exception for us (if necessary)
[self setSelected:YES forSegment:aSegment];
}
/*!
Returns the selected segment.
*/
- (unsigned)selectedSegment
{
return _selectedSegment;
}
/*!
Selects the button segment with the specified tag.
*/
- (BOOL)selectSegmentWithTag:(int)aTag
{
var index = 0;
for (; index < _segments.length; ++index)
if (_segments[index].tag == aTag)
{
[self setSelectedSegment:index];
return YES;
}
return NO;
}
- (BOOL)_selectSegmentWithLabel:(CPString)aLabel
{
var index = 0;
for (; index < _segments.length; ++index)
if (_segments[index].label == aLabel)
{
[self setSelectedSegment:index];
return YES;
}
return NO;
}
// Specifying Tracking Mode
- (BOOL)isTracking
{
}
- (void)setTrackingMode:(CPSegmentSwitchTracking)aTrackingMode
{
if (_trackingMode == aTrackingMode)
return;
_trackingMode = aTrackingMode;
if (_trackingMode == CPSegmentSwitchTrackingSelectOne)
{
var index = 0,
selected = NO;
for (; index < _segments.length; ++index)
if ([_segments[index] selected])
if (selected)
[self setSelected:NO forSegment:index];
else
selected = YES;
}
else if (_trackingMode == CPSegmentSwitchTrackingMomentary)
{
var index = 0;
for (; index < _segments.length; ++index)
if ([_segments[index] selected])
[self setSelected:NO forSegment:index];
}
}
/*!
Returns the control's tracking mode.
*/
- (CPSegmentSwitchTracking)trackingMode
{
return _trackingMode;
}
// Working with Individual Segments
/*!
Sets the width of the specified segment.
@param aWidth the new width for the segment
@param aSegment the segment to set the width for
@throws CPRangeException if \c aSegment is out of bounds
*/
- (void)setWidth:(float)aWidth forSegment:(unsigned)aSegment
{
[_segments[aSegment] setWidth:aWidth];
[self tileWithChangedSegment:aSegment];
}
/*!
Returns the width for the specified segment.
@param aSegment the segment to get the width for
@throws CPRangeException if \c aSegment is out of bounds
*/
- (float)widthForSegment:(unsigned)aSegment
{
return [_segments[aSegment] width];
}
/*!
Sets the image for the specified segment.
@param anImage the image for the segment
@param aSegment the segment to set the image on
@throws CPRangeException if \c aSegment is out of bounds
*/
- (void)setImage:(CPImage)anImage forSegment:(unsigned)aSegment
{
[_segments[aSegment] setImage:anImage];
[self tileWithChangedSegment:aSegment];
}
/*!
Returns the image for the specified segment
@param aSegment the segment to obtain the image for
@throws CPRangeException if \c aSegment is out of bounds
*/
- (CPImage)imageForSegment:(unsigned)aSegment
{
return [_segments[aSegment] image];
}
/*!
Sets the label for the specified segment
@param aLabel the label for the segment
@param aSegment the segment to label
@throws CPRangeException if \c aSegment is out of bounds
*/
- (void)setLabel:(CPString)aLabel forSegment:(unsigned)aSegment
{
[_segments[aSegment] setLabel:aLabel];
[self tileWithChangedSegment:aSegment];
}
/*!
Returns the label for the specified segment
@param the segment to obtain the label for
@throws CPRangeException if \c aSegment is out of bounds
*/
- (CPString)labelForSegment:(unsigned)aSegment
{
return [_segments[aSegment] label];
}
/*!
Sets the menu for the specified segment
@param aMenu the menu to set
@param aSegment the segment to set the menu on
@throws CPRangeException if \c aSegment is out of bounds
*/
- (void)setMenu:(CPMenu)aMenu forSegment:(unsigned)aSegment
{
[_segments[aSegment] setMenu:aMenu];
}
/*!
Returns the menu for the specified segment.
@param aSegment the segment to obtain the menu for
@throws CPRangeException if \c aSegment is out of bounds
*/
- (CPMenu)menuForSegment:(unsigned)aSegment
{
return [_segments[aSegment] menu];
}
/*!
Sets the selection for the specified segment. If only one segment
can be selected at a time, any other segment will be deselected.
@param isSelected \c YES selects the segment. \c NO deselects it.
@param aSegment the segment to set the selection for
@throws CPRangeException if \c aSegment is out of bounds
*/
- (void)setSelected:(BOOL)isSelected forSegment:(unsigned)aSegment
{
var segment = _segments[aSegment];
// If we're already in this state, bail.
if ([segment selected] == isSelected)
return;
[segment setSelected:isSelected];
_themeStates[aSegment] = isSelected ? CPThemeStateSelected : CPThemeStateNormal;
// We need to do some cleanup if we only allow one selection.
if (isSelected)
{
var oldSelectedSegment = _selectedSegment;
_selectedSegment = aSegment;
if (_trackingMode == CPSegmentSwitchTrackingSelectOne && oldSelectedSegment != aSegment && oldSelectedSegment != -1)
{
[_segments[oldSelectedSegment] setSelected:NO];
_themeStates[oldSelectedSegment] = CPThemeStateNormal;
[self drawSegmentBezel:oldSelectedSegment highlight:NO];
}
}
if (_trackingMode != CPSegmentSwitchTrackingMomentary)
[self drawSegmentBezel:aSegment highlight:NO];
[self setNeedsLayout];
[self setNeedsDisplay:YES];
}
/*!
Returns \c YES if the specified segment is selected.
@param aSegment the segment to check for selection
@throws CPRangeException if \c aSegment is out of bounds
*/
- (BOOL)isSelectedForSegment:(unsigned)aSegment
{
return [_segments[aSegment] selected];
}
/*!
Enables/disables the specified segment.
@param isEnabled \c YES enables the segment
@param aSegment the segment to enable/disable
@throws CPRangeException if \c aSegment is out of bounds
*/
- (void)setEnabled:(BOOL)shouldBeEnabled forSegment:(unsigned)aSegment
{
if ([_segments[aSegment] enabled] === shouldBeEnabled)
return;
[_segments[aSegment] setEnabled:shouldBeEnabled];
if (shouldBeEnabled)
_themeStates[aSegment] = _themeStates[aSegment].without(CPThemeStateDisabled);
else
_themeStates[aSegment] = _themeStates[aSegment].and(CPThemeStateDisabled);
[self setNeedsLayout];
[self setNeedsDisplay:YES];
}
/*!
Returns \c YES if the specified segment is enabled.
@param aSegment the segment to check
@throws CPRangeException if \c aSegment is out of bounds
*/
- (BOOL)isEnabledForSegment:(unsigned)aSegment
{
return [_segments[aSegment] enabled];
}
/*!
Sets a tag for the specified segment.
@param aTag the tag to set
@param aSegment the segment to set the tag on
*/
- (void)setTag:(int)aTag forSegment:(unsigned)aSegment
{
[_segments[aSegment] setTag:aTag];
}
/*!
Returns the tag for the specified segment.
@param aSegment the segment to obtain the tag for
*/
- (int)tagForSegment:(unsigned)aSegment
{
return [_segments[aSegment] tag];
}
// Drawings
/*!
Draws the specified segment bezel
@param aSegment the segment to draw the bezel for
@param shouldHighlight \c YES highlights the bezel
*/
- (void)drawSegmentBezel:(int)aSegment highlight:(BOOL)shouldHighlight
{
if(aSegment<_themeStates.length)
{
if (shouldHighlight)
_themeStates[aSegment] = _themeStates[aSegment].and(CPThemeStateHighlighted);
else
_themeStates[aSegment] = _themeStates[aSegment].without(CPThemeStateHighlighted);
}
[self setNeedsLayout];
[self setNeedsDisplay:YES];
}
- (float)_leftOffsetForSegment:(unsigned)segment
{
var bezelInset = [self currentValueForThemeAttribute:@"bezel-inset"];
if (segment == 0)
return bezelInset.left;
var thickness = [self currentValueForThemeAttribute:@"divider-thickness"];
return [self _leftOffsetForSegment:segment - 1] + [self widthForSegment:segment - 1] + thickness;
}
- (unsigned)_indexOfLastSegment
{
var lastSegmentIndex = [_segments count] - 1;
if (lastSegmentIndex < 0)
lastSegmentIndex = 0;
return lastSegmentIndex;
}
- (CGRect)rectForEphemeralSubviewNamed:(CPString)aName
{
var height = [self currentValueForThemeAttribute:@"default-height"],
contentInset = [self currentValueForThemeAttribute:@"content-inset"],
bezelInset = [self currentValueForThemeAttribute:@"bezel-inset"],
bounds = [self bounds];
if (aName === "left-segment-bezel")
{
return CGRectMake(bezelInset.left, bezelInset.top, contentInset.left, height);
}
else if (aName === "right-segment-bezel")
{
return CGRectMake(CGRectGetWidth([self bounds]) - contentInset.right,
bezelInset.top,
contentInset.right,
height);
}
else if (aName.indexOf("segment-bezel") === 0)
{
var segment = parseInt(aName.substring("segment-bezel-".length), 10),
frame = CGRectCreateCopy([_segments[segment] frame]);
if (segment === 0)
{
frame.origin.x += contentInset.left;
frame.size.width -= contentInset.left;
}
if (segment === _segments.length - 1)
frame.size.width = CGRectGetWidth([self bounds]) - contentInset.right - frame.origin.x;
return frame;
}
else if (aName.indexOf("divider-bezel") === 0)
{
var segment = parseInt(aName.substring("divider-bezel-".length), 10),
width = [self widthForSegment:segment],
left = [self _leftOffsetForSegment:segment],
thickness = [self currentValueForThemeAttribute:@"divider-thickness"];
return CGRectMake(left + width, bezelInset.top, thickness, height);
}
else if (aName.indexOf("segment-content") === 0)
{
var segment = parseInt(aName.substring("segment-content-".length), 10);
return [self contentFrameForSegment:segment];
}
return [super rectForEphemeralSubviewNamed:aName];
}
- (CPView)createEphemeralSubviewNamed:(CPString)aName
{
if ([aName hasPrefix:@"segment-content"])
return [[_CPImageAndTextView alloc] initWithFrame:CGRectMakeZero()];
return [[CPView alloc] initWithFrame:CGRectMakeZero()];
}
- (void)layoutSubviews
{
if (_segments.length <= 0)
return;
var themeState = _themeStates[0],
isDisabled = [self hasThemeState:CPThemeStateDisabled];
themeState = isDisabled ? themeState.and(CPThemeStateDisabled) : themeState;
var leftCapColor = [self valueForThemeAttribute:@"left-segment-bezel-color"
inState:themeState],
leftBezelView = [self layoutEphemeralSubviewNamed:@"left-segment-bezel"
positioned:CPWindowBelow
relativeToEphemeralSubviewNamed:nil];
[leftBezelView setBackgroundColor:leftCapColor];
var themeState = _themeStates[_themeStates.length - 1];
themeState = isDisabled ? themeState.and(CPThemeStateDisabled) : themeState;
var rightCapColor = [self valueForThemeAttribute:@"right-segment-bezel-color"
inState:themeState],
rightBezelView = [self layoutEphemeralSubviewNamed:@"right-segment-bezel"
positioned:CPWindowBelow
relativeToEphemeralSubviewNamed:nil];
[rightBezelView setBackgroundColor:rightCapColor];
for (var i = 0, count = _themeStates.length; i < count; i++)
{
var themeState = _themeStates[i];
themeState = isDisabled ? themeState.and(CPThemeStateDisabled) : themeState;
var bezelColor = [self valueForThemeAttribute:@"center-segment-bezel-color"
inState:themeState],
bezelView = [self layoutEphemeralSubviewNamed:"segment-bezel-" + i
positioned:CPWindowBelow
relativeToEphemeralSubviewNamed:nil];
[bezelView setBackgroundColor:bezelColor];
// layout image/title views
var segment = _segments[i],
contentView = [self layoutEphemeralSubviewNamed:@"segment-content-" + i
positioned:CPWindowAbove
relativeToEphemeralSubviewNamed:@"segment-bezel-" + i];
[contentView setText:[segment label]];
[contentView setImage:[segment image]];
[contentView setFont:[self valueForThemeAttribute:@"font" inState:themeState]];
[contentView setTextColor:[self valueForThemeAttribute:@"text-color" inState:themeState]];
[contentView setAlignment:[self valueForThemeAttribute:@"alignment" inState:themeState]];
[contentView setVerticalAlignment:[self valueForThemeAttribute:@"vertical-alignment" inState:themeState]];
[contentView setLineBreakMode:[self valueForThemeAttribute:@"line-break-mode" inState:themeState]];
[contentView setTextShadowColor:[self valueForThemeAttribute:@"text-shadow-color" inState:themeState]];
[contentView setTextShadowOffset:[self valueForThemeAttribute:@"text-shadow-offset" inState:themeState]];
[contentView setImageScaling:[self valueForThemeAttribute:@"image-scaling" inState:themeState]];
if ([segment image] && [segment label])
[contentView setImagePosition:[self valueForThemeAttribute:@"image-position" inState:themeState]];
else if ([segment image])
[contentView setImagePosition:CPImageOnly];
if (i == count - 1)
continue;
var borderState = _themeStates[i].and(_themeStates[i + 1]);
borderState = (borderState.hasThemeState(CPThemeStateSelected) && !borderState.hasThemeState(CPThemeStateHighlighted)) ? CPThemeStateSelected : CPThemeStateNormal;
borderState = isDisabled ? borderState.and(CPThemeStateDisabled) : borderState;
var borderColor = [self valueForThemeAttribute:@"divider-bezel-color"
inState:borderState],
borderView = [self layoutEphemeralSubviewNamed:"divider-bezel-" + i
positioned:CPWindowBelow
relativeToEphemeralSubviewNamed:nil];
[borderView setBackgroundColor:borderColor];
}
}
/*!
Draws the specified segment
@param aSegment the segment to draw
@param shouldHighlight \c YES highlights the bezel
*/
- (void)drawSegment:(int)aSegment highlight:(BOOL)shouldHighlight
{
}
- (void)tileWithChangedSegment:(unsigned)aSegment
{
if (aSegment >= _segments.length)
return;
var segment = _segments[aSegment],
segmentWidth = [segment width],
themeState = _themeState.hasThemeState(CPThemeStateDisabled) ? _themeStates[aSegment].and(CPThemeStateDisabled) : _themeStates[aSegment];
contentInset = [self valueForThemeAttribute:@"content-inset" inState:themeState],
font = [self font];
if (!segmentWidth)
{
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;
}
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 setNeedsLayout];
[self setNeedsDisplay:YES];
}
/*!
Returns the bounding rectangle for the specified segment.
@param aSegment the segment to get the rectangle for
*/
- (CGRect)frameForSegment:(unsigned)aSegment
{
return [self bezelFrameForSegment:aSegment];
}
- (CGRect)bezelFrameForSegment:(unsigned)aSegment
{
var height = [self currentValueForThemeAttribute:@"default-height"],
bezelInset = [self currentValueForThemeAttribute:@"bezel-inset"],
width = [self widthForSegment:aSegment],
left = [self _leftOffsetForSegment:aSegment];
return CGRectMake(left, bezelInset.top, width, height);
}
- (CGRect)contentFrameForSegment:(unsigned)aSegment
{
var height = [self currentValueForThemeAttribute:@"default-height"],
contentInset = [self currentValueForThemeAttribute:@"content-inset"],
width = [self widthForSegment:aSegment],
left = [self _leftOffsetForSegment:aSegment];
return CGRectMake(left + contentInset.left, contentInset.top, width - contentInset.left - contentInset.right, height - contentInset.top - contentInset.bottom);
}
/*!
Returns the segment that is hit by the specified point.
@param aPoint the point to test for a segment hit
@return the intersecting segment
*/
- (unsigned)testSegment:(CGPoint)aPoint
{
var location = [self convertPoint:aPoint fromView:nil],
count = _segments.length;
while (count--)
if (CGRectContainsPoint([_segments[count] frame], aPoint))
return count;
if (_segments.length)
{
var adjustedLastFrame = CGRectCreateCopy([_segments[_segments.length - 1] frame]);
adjustedLastFrame.size.width = CGRectGetWidth([self bounds]) - adjustedLastFrame.origin.x;
if (CGRectContainsPoint(adjustedLastFrame, aPoint))
return _segments.length - 1;
}
return -1;
}
- (void)mouseDown:(CPEvent)anEvent
{
if (![self isEnabled])
return;
[self trackSegment:anEvent];
}
// FIXME: this should be fixed way up in cpbutton/cpcontrol.
- (void)mouseUp:(CPEvent)anEvent
{
}
/*!
Handles events for the segment
@param anEvent the event to handle
*/
- (void)trackSegment:(CPEvent)anEvent
{
var type = [anEvent type],
location = [self convertPoint:[anEvent locationInWindow] fromView:nil];
if (type == CPLeftMouseUp)
{
if (_trackingSegment == -1)
return;
if (_trackingSegment === [self testSegment:location])
{
if (_trackingMode == CPSegmentSwitchTrackingSelectAny)
{
[self setSelected:![self isSelectedForSegment:_trackingSegment] forSegment:_trackingSegment];
// With ANY, _selectedSegment means last pressed.
_selectedSegment = _trackingSegment;
}
else
[self setSelected:YES forSegment:_trackingSegment];
[self sendAction:[self action] to:[self target]];
if (_trackingMode == CPSegmentSwitchTrackingMomentary)
{
[self setSelected:NO forSegment:_trackingSegment];
_selectedSegment = -1;
}
}
[self drawSegmentBezel:_trackingSegment highlight:NO];
_trackingSegment = -1;
return;
}
if (type == CPLeftMouseDown)
{
var trackingSegment = [self testSegment:location];
if (trackingSegment > -1 && [self isEnabledForSegment:trackingSegment])
{
_trackingHighlighted = YES;
_trackingSegment = trackingSegment;
[self drawSegmentBezel:_trackingSegment highlight:YES];
}
}
else if (type == CPLeftMouseDragged)
{
if (_trackingSegment == -1)
return;
var highlighted = [self testSegment:location] === _trackingSegment;
if (highlighted != _trackingHighlighted)
{
_trackingHighlighted = highlighted;
[self drawSegmentBezel:_trackingSegment highlight:_trackingHighlighted];
}
}
[CPApp setTarget:self selector:@selector(trackSegment:) forNextEventMatchingMask:CPLeftMouseDraggedMask | CPLeftMouseUpMask untilDate:nil inMode:nil dequeue:YES];
}
- (void)setFont:(CPFont)aFont
{
[super setFont:aFont];
[self tileWithChangedSegment:0];
}
@end
var CPSegmentedControlSegmentsKey = "CPSegmentedControlSegmentsKey",
CPSegmentedControlSelectedKey = "CPSegmentedControlSelectedKey",
CPSegmentedControlSegmentStyleKey = "CPSegmentedControlSegmentStyleKey",
CPSegmentedControlTrackingModeKey = "CPSegmentedControlTrackingModeKey";
@implementation CPSegmentedControl (CPCoding)
- (id)initWithCoder:(CPCoder)aCoder
{
self = [super initWithCoder:aCoder];
if (self)
{
var frame = [self frame],
originalWidth = frame.size.width;
frame.size.width = 0;
[self setFrame:frame];
_segments = [aCoder decodeObjectForKey:CPSegmentedControlSegmentsKey];
_segmentStyle = [aCoder decodeIntForKey:CPSegmentedControlSegmentStyleKey];
_themeStates = [];
if ([aCoder containsValueForKey:CPSegmentedControlSelectedKey])
_selectedSegment = [aCoder decodeIntForKey:CPSegmentedControlSelectedKey];
else
_selectedSegment = -1;
if ([aCoder containsValueForKey:CPSegmentedControlTrackingModeKey])
_trackingMode = [aCoder decodeIntForKey:CPSegmentedControlTrackingModeKey];
else
_trackingMode = CPSegmentSwitchTrackingSelectOne;
// HACK
for (var i = 0; i < _segments.length; i++)
_themeStates[i] = [_segments[i] selected] ? CPThemeStateSelected : CPThemeStateNormal;
// We do this in a second loop because it relies on all the themeStates being set first
for (var i = 0; i < _segments.length; i++)
[self tileWithChangedSegment:i];
var difference = MAX(originalWidth - [self frame].size.width, 0.0),
remainingWidth = FLOOR(difference / _segments.length);
for (var i = 0; i < _segments.length; i++)
[self setWidth:[_segments[i] width] + remainingWidth forSegment:i];
[self tileWithChangedSegment:0];
}
return self;
}
- (void)encodeWithCoder:(CPCoder)aCoder
{
[super encodeWithCoder:aCoder];
[aCoder encodeObject:_segments forKey:CPSegmentedControlSegmentsKey];
[aCoder encodeInt:_selectedSegment forKey:CPSegmentedControlSelectedKey];
[aCoder encodeInt:_segmentStyle forKey:CPSegmentedControlSegmentStyleKey];
[aCoder encodeInt:_trackingMode forKey:CPSegmentedControlTrackingModeKey];
}
@end
var CPSegmentedControlBindersMap = {},
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
{
[super _updatePlaceholdersWithOptions:options];
[self _setPlaceholder:CPSegmentedControlNoSelectionPlaceholder forMarker:CPMultipleValuesMarker isDefault:YES];
[self _setPlaceholder:CPSegmentedControlNoSelectionPlaceholder forMarker:CPNoSelectionMarker isDefault:YES];
[self _setPlaceholder:CPSegmentedControlNoSelectionPlaceholder forMarker:CPNotApplicableMarker isDefault:YES];
[self _setPlaceholder:CPSegmentedControlNoSelectionPlaceholder forMarker:CPNullMarker isDefault:YES];
}
- (void)setPlaceholderValue:(id)aValue withMarker:(CPString)aMarker forBinding:(CPString)aBinding
{
if (aValue == CPSegmentedControlNoSelectionPlaceholder)
[_source setSelected:NO forSegment:[_source selectedSegment]];
else
[self setValue:aValue forBinding:aBinding];
}
- (void)setValue:(id)aValue forBinding:(CPString)aBinding
{
if (aBinding == CPSelectedIndexBinding)
[_source setSelectedSegment:aValue];
else if (aBinding == CPSelectedTagBinding)
[_source selectSegmentWithTag:aValue];
else if (aBinding == CPSelectedLabelBinding)
[_source _selectSegmentWithLabel:aValue];
}
- (id)valueForBinding:(CPString)aBinding
{
var selectedIndex = [_source selectedSegment];
if (aBinding == CPSelectedIndexBinding)
return selectedIndex;
else if (aBinding == CPSelectedTagBinding)
return [_source tagForSegment:selectedIndex];
else if (aBinding == CPSelectedLabelBinding)
return [_source labelForSegment:selectedIndex];
}
@end
@implementation _CPSegmentItem : CPObject
{
CPImage image @accessors;
CPString label @accessors;
CPMenu menu @accessors;
BOOL selected @accessors;
BOOL enabled @accessors;
int tag @accessors;
int width @accessors;
CGRect frame @accessors;
}
- (id)init
{
if (self = [super init])
{
image = nil;
label = @"";
menu = nil;
selected = NO;
enabled = YES;
tag = -1;
width = 0;
frame = CGRectMakeZero();
}
return self;
}
@end
var CPSegmentItemImageKey = "CPSegmentItemImageKey",
CPSegmentItemLabelKey = "CPSegmentItemLabelKey",
CPSegmentItemMenuKey = "CPSegmentItemMenuKey",
CPSegmentItemSelectedKey = "CPSegmentItemSelectedKey",
CPSegmentItemEnabledKey = "CPSegmentItemEnabledKey",
CPSegmentItemTagKey = "CPSegmentItemTagKey",
CPSegmentItemWidthKey = "CPSegmentItemWidthKey";
@implementation _CPSegmentItem (CPCoding)
- (id)initWithCoder:(CPCoder)aCoder
{
self = [super init];
if (self)
{
image = [aCoder decodeObjectForKey:CPSegmentItemImageKey];
label = [aCoder decodeObjectForKey:CPSegmentItemLabelKey];
menu = [aCoder decodeObjectForKey:CPSegmentItemMenuKey];
selected = [aCoder decodeBoolForKey:CPSegmentItemSelectedKey];
enabled = [aCoder decodeBoolForKey:CPSegmentItemEnabledKey];
tag = [aCoder decodeIntForKey:CPSegmentItemTagKey];
width = [aCoder decodeFloatForKey:CPSegmentItemWidthKey];
frame = CGRectMakeZero();
}
return self;
}
- (void)encodeWithCoder:(CPCoder)aCoder
{
[aCoder encodeObject:image forKey:CPSegmentItemImageKey];
[aCoder encodeObject:label forKey:CPSegmentItemLabelKey];
[aCoder encodeObject:menu forKey:CPSegmentItemMenuKey];
[aCoder encodeBool:selected forKey:CPSegmentItemSelectedKey];
[aCoder encodeBool:enabled forKey:CPSegmentItemEnabledKey];
[aCoder encodeInt:tag forKey:CPSegmentItemTagKey];
[aCoder encodeFloat:width forKey:CPSegmentItemWidthKey];
}
@end