Fixed a few issues with nib2cib and hiding scrollers.

Reviewed by me.

AppKit/CPButtonBar.j

@@ -8,6 +8,11 @@
 {
 }
 
++ (CPString)themeClass
+{
+    return @"button-bar";
+}
+
 + (id)themeAttributes
 {
     return [CPDictionary dictionaryWithObjects:[nil]

AppKit/CPView.j

@@ -2199,7 +2199,6 @@ var CPViewAutoresizingMaskKey       = @"CPViewAutoresizingMask",
         _autoresizesSubviews = [aCoder decodeBoolForKey:CPViewAutoresizesSubviewsKey];
         
         _hitTests = [aCoder decodeObjectForKey:CPViewHitTestsKey];
-        _isHidden = [aCoder decodeObjectForKey:CPViewIsHiddenKey];
         _opacity = [aCoder decodeIntForKey:CPViewOpacityKey];
     
         // DOM SETUP
@@ -2240,8 +2239,13 @@ var CPViewAutoresizingMaskKey       = @"CPViewAutoresizingMask",
         }
         
         [self setNeedsDisplay:YES];
-    }
     
+        _isHidden = NO;
+
+        if ([aCoder containsValueForKey:CPViewIsHiddenKey])
+            [self setHidden:[aCoder decodeBoolForKey:CPViewIsHiddenKey]];
+    }
+
     return self;
 }
 
@@ -2269,9 +2273,11 @@ var CPViewAutoresizingMaskKey       = @"CPViewAutoresizingMask",
     [aCoder encodeObject:_backgroundColor forKey:CPViewBackgroundColorKey];
         
     [aCoder encodeBool:_hitTests forKey:CPViewHitTestsKey];
-    [aCoder encodeBool:_isHidden forKey:CPViewIsHiddenKey];
     [aCoder encodeFloat:_opacity forKey:CPViewOpacityKey];
-    
+
+    if (_isHidden)
+        [aCoder encodeBool:_isHidden forKey:CPViewIsHiddenKey];
+
     [aCoder encodeConditionalObject:[self nextKeyView] forKey:CPViewNextKeyViewKey];
     [aCoder encodeConditionalObject:[self previousKeyView] forKey:CPViewPreviousKeyViewKey];
 

AppKit/Themes/Aristo/ThemeDescriptors.j

@@ -446,23 +446,22 @@
     return slider;
 }
 
-/*
-    var buttonBar = [[CPButtonBar alloc] initWithFrame:CGRectMake(0.0, 0.0, 100.0, 30.0)],
++ (CPButtonBar)themedButtonBar
+{
+    var buttonBar = [[CPButtonBar alloc] initWithFrame:CGRectMake(0.0, 0.0, 100.0, 26.0)],
         color = [CPColor colorWithPatternImage:[[CPThreePartImage alloc] initWithImageSlices:
         [
-            [_CPCibCustomResource imageResourceWithName:"buttonbar-bezel.png" size:CGSizeMake(1.0, 30.0)],
-            [_CPCibCustomResource imageResourceWithName:"buttonbar-bezel.png" size:CGSizeMake(1.0, 30.0)],
-            [_CPCibCustomResource imageResourceWithName:"buttonbar-bezel-right.png" size:CGSizeMake(13.0, 30.0)]
+            [_CPCibCustomResource imageResourceWithName:"buttonbar-bezel.png" size:CGSizeMake(1.0, 26.0)],
+            [_CPCibCustomResource imageResourceWithName:"buttonbar-bezel.png" size:CGSizeMake(1.0, 26.0)],
+            [_CPCibCustomResource imageResourceWithName:"buttonbar-bezel-right.png" size:CGSizeMake(13.0, 26.0)]
         ]
         isVertical:NO]];
 
     [buttonBar setValue:color forThemeAttribute:@"bezel-color"];
-    [buttonBar setNeedsLayout];
     
-    views.push(buttonBar);
-    
-    return views;
-*/
+    return buttonBar;
+}
+
 @end
 
 function PatternColor(anImage)

Tools/nib2cib/NSScrollView.j

@@ -31,14 +31,17 @@
     {
         var flags = [aCoder decodeIntForKey:"NSsFlags"];
         
-        _hasVerticalScroller    = Boolean(flags & (1 << 4));
-        _hasHorizontalScroller  = Boolean(flags & (1 << 5));
-        _autohidesScrollers     = Boolean(flags & (1 << 9));
-        
         _verticalScroller   = [aCoder decodeObjectForKey:"NSVScroller"];
         _horizontalScroller = [aCoder decodeObjectForKey:"NSHScroller"];
         _contentView        = [aCoder decodeObjectForKey:"NSContentView"];
-        
+
+        _hasVerticalScroller    = !Boolean(flags & (1 << 4));
+        _hasHorizontalScroller  = !Boolean(flags & (1 << 5));
+        _autohidesScrollers     = Boolean(flags & (1 << 9));
+
+        [self setHasHorizontalScroller:!_hasHorizontalScroller];
+        [self setHasVerticalScroller:!_hasVerticalScroller];
+
         //[aCoder decodeBytesForKey:"NSScrollAmts"];
         _verticalLineScroll = 10.0;
         _verticalPageScroll = 10.0;