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For explaination and sample use see: ClickThroughButtonInTableView

// 2005 by St�phane BARON - MacAvocat . // Derivated from work by Erik Doernenburg // Derivated from work by Omnigroup // Derivated from work by Eric Petit // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the “Software”), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE.

#import <Cocoa/Cocoa.h>

@interface MCButtonCell : NSActionCell {

NSRect imageRect;
NSMutableDictionary *theAttributes;
NSImage *currentImage;
NSImage *image;
NSImage *alternateImage; //	NSImage *rolloverImage;


-(NSImage *)image; -(void)setImage:(NSImage *)anImage; -(NSImage *)alternateImage; -(void)setAlternateImage:(NSImage *)anImage; //-(NSImage *)rolloverImage; //-(void)setRolloverImage:(NSImage *)anImage; -(NSImage *)currentImage; -(void)setCurrentImage:(NSImage *)anImage; -(BOOL)isPointInImageRect:(NSPoint)location forCell:(NSRect)cellFrame;


#import “MCButtonCell.h”


static NSMutableParagraphStyle *MCTParagraphStyle = nil; NSString *MCTStringKey = @”string”;

@implementation MCButtonCell

-(id)init {

if ([super initTextCell:@""] == nil)
    return nil;
return self;


-(void)awakeFromNib; {

[self setCurrentImage:image];


-(BOOL)isPointInImageRect:(NSPoint)location forCell:(NSRect)cellFrame; { NSSize theSize=[currentImage size]; if((location.x>theSize.width+cellFrame.origin.x) || (location.x<BORDER_BETWEEN_EDGE_AND_IMAGE+cellFrame.origin.x)) { return NO; } else return YES; }

-(NSSize)imageSize; { return [currentImage size]; }

-(NSImage *)image; { return image; }

-(void)setImage:(NSImage *)anImage; { if (anImage == image) return; [image release]; image = [anImage retain]; }

-(NSImage *)currentImage; { return currentImage; }

-(void)setCurrentImage:(NSImage *)anImage; { if (anImage == currentImage) return; [currentImage release]; currentImage = [anImage retain]; }

-(NSImage *)alternateImage; { return alternateImage; }

-(void)setAlternateImage:(NSImage *)anImage; { if (anImage == alternateImage) return; [alternateImage release]; alternateImage = [anImage retain]; }

if(currentImage==nil) { [self setCurrentImage:image]; }

NSPoint        point;
NSSize        size;
NSPoint        origin;	
origin = cellFrame.origin;
imageRect=NSMakeRect(origin.x+BORDER_BETWEEN_EDGE_AND_IMAGE,origin.y,[currentImage size].width,[currentImage size].height);
NSRect textRect=NSMakeRect(origin.x+[currentImage size].width+BORDER_BETWEEN_EDGE_AND_IMAGE+BORDER_BETWEEN_IMAGE_AND_TEXT,origin.y,cellFrame.size.width-([currentImage size].width+BORDER_BETWEEN_EDGE_AND_IMAGE+BORDER_BETWEEN_IMAGE_AND_TEXT),cellFrame.size.height);

textRect = NSInsetRect(textRect, 1.0, 0.0);

if (![controlView isFlipped])
    textRect.origin.y -= (textRect.size.height + FLIP_VERTICAL_OFFSET);

if (currentImage != nil)
   size = [currentImage size];
   point.x = origin.x+BORDER_BETWEEN_EDGE_AND_IMAGE;
   point.y = origin.y+size.height+((cellFrame.size.height-size.height)/2);
   [currentImage compositeToPoint: point operation:  NSCompositeSourceOver];
   point.x = point.x + size.width;
   }    else
   point.x = origin.x;
   }    point.y = origin.y;

NSMutableAttributedString *label = [[NSMutableAttributedString alloc] initWithAttributedString:[self attributedStringValue]];
NSRange labelRange = NSMakeRange(0, [label length]);
if ([NSColor respondsToSelector:@selector(alternateSelectedControlColor)]) 
    NSColor *highlightColor = [self highlightColorWithFrame:cellFrame inView:controlView];
    BOOL highlighted = [self isHighlighted];

    if (highlighted && [highlightColor isEqual:[NSColor alternateSelectedControlColor]]) 
        [label addAttribute:NSForegroundColorAttributeName value:[NSColor alternateSelectedControlTextColor] range:labelRange];

[label addAttribute:NSParagraphStyleAttributeName value:MCTParagraphStyle range:labelRange];
[label drawInRect:textRect];
[label release];