ATColorCell.m
/* |
File: ATColorCell.m |
Abstract: A simple cell that draws a color swatch next to the color's name. |
Version: 1.1 |
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*/ |
#import "ATColorCell.h" |
#define INSET_FROM_IMAGE_TO_TEXT 4.0 |
@implementation ATColorCell |
- (id)init { |
self = [super init]; |
[self setUsesSingleLineMode:YES]; |
[self setLineBreakMode:NSLineBreakByTruncatingTail]; |
return self; |
} |
- (id)copyWithZone:(NSZone *)zone { |
self = [super copyWithZone:zone]; |
self->_color = [_color retain]; |
return self; |
} |
- (void)dealloc { |
[_color release]; |
[super dealloc]; |
} |
@synthesize color = _color; |
- (NSRect)colorRectForFrame:(NSRect)frame { |
NSRect result = frame; |
result.size.width = frame.size.height; |
return result; |
} |
- (NSRect)_titleFrameForInteriorFrame:(NSRect)frame { |
NSRect colorFrame = [self colorRectForFrame:frame]; |
NSRect result = colorFrame; |
result.origin.x = NSMaxX(colorFrame) + INSET_FROM_IMAGE_TO_TEXT; |
// Go as wide as we can |
result.size.width = NSMaxX(frame) - NSMinX(result); |
// Center in the height |
// Move the title above the Y centerline of the image. |
NSSize naturalSize = [super cellSize]; |
result.origin.y = floor(NSMidY(frame) - naturalSize.height / 2.0); |
result.size.height = naturalSize.height; |
return result; |
} |
- (void)drawInteriorWithFrame:(NSRect)frame inView:(NSView *)controlView { |
if (_color) { |
[_color set]; |
NSRect colorFrame = [self colorRectForFrame:frame]; |
NSRectFill(colorFrame); |
[[NSColor lightGrayColor] set]; |
NSFrameRectWithWidth(colorFrame, 1.0); |
} |
NSRect titleFrame = [self _titleFrameForInteriorFrame:frame]; |
[super drawInteriorWithFrame:titleFrame inView:controlView]; |
} |
- (NSUInteger)hitTestForEvent:(NSEvent *)event inRect:(NSRect)frame ofView:(NSView *)controlView { |
NSPoint point = [controlView convertPoint:[event locationInWindow] fromView:nil]; |
NSRect colorRect = [self colorRectForFrame:frame]; |
if (NSPointInRect(point, colorRect)) { |
// We combine in our own hit test marker |
return NSCellHitTrackableArea | ATCellHitTestColorRect; |
} else { |
NSUInteger result = [super hitTestForEvent:event inRect:[self _titleFrameForInteriorFrame:frame] ofView:controlView]; |
// We don't want the label to be editable |
result = result & ~NSCellHitEditableTextArea; |
return result; |
} |
} |
@end |
Copyright © 2012 Apple Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2012-05-31