trunk/Classes/MyPopUpButtonCell.m

//
//  MyPopUpButtonCell.m
//  Alchemusica
//
//  Created by Toshi Nagata on 06/05/07.
//
/*
    Copyright (c) 2006-2011 Toshi Nagata. All rights reserved.

 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation version 2 of the License.
 
 This program 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 General Public License for more details.
 */

#import "MyPopUpButtonCell.h"
#import "MyPopUpButton.h"

@implementation MyPopUpButtonCell

- (void)drawWithFrame:(NSRect)cellFrame inView:(NSView *)controlView
{
    NSRect theRect, r;
        NSPoint center;
        NSSize size;
        NSImage *theImage;
        NSString *theString;
        float fraction;
        theRect = cellFrame;
        center.x = theRect.origin.x + theRect.size.width / 2;
        center.y = theRect.origin.y + theRect.size.height / 2;
    
        if ([self isEnabled])
                fraction = 1.0f;
        else fraction = 0.5f;
        switch ([self type]) {
                case NSTextCellType:
                        theString = [[self selectedItem] title];
                        if (theString != nil) {
                                NSMutableParagraphStyle *par = [[[NSMutableParagraphStyle alloc] init] autorelease];
                                NSFont *font = [NSFont systemFontOfSize: [NSFont smallSystemFontSize]];
                                float lineHeight = [font ascender] - [font descender];
                                NSRect rect = NSMakeRect(theRect.origin.x, theRect.origin.y + (theRect.size.height - lineHeight - 2), theRect.size.width, lineHeight + 2);
                                [par setAlignment: NSCenterTextAlignment];
                                [theString drawInRect: rect withAttributes: 
                                        [NSDictionary dictionaryWithObjectsAndKeys: 
                                                font,
                                                NSFontAttributeName,
                                                par,
                                                NSParagraphStyleAttributeName, nil]];
                        }
                        break;
                case NSImageCellType:
                        theImage = [[self selectedItem] image];
                        if (theImage != nil) {
                                size = [theImage size];
                r.origin.x = center.x - size.width / 2;
                r.origin.y = center.y - size.height / 2;
                r.size = size;
                [theImage drawInRect:r fromRect:NSZeroRect operation:NSCompositeSourceAtop fraction:fraction respectFlipped:YES hints:nil];
                        }
                        break;
                default:
                        break;
        }
//      theRect = NSMakeRect(theRect.origin.x + theRect.size.width - 7, theRect.origin.y + theRect.size.height - 7, 5, 5);
    r.origin.x = theRect.origin.x + theRect.size.width - 7;
    r.origin.y = theRect.origin.y + theRect.size.height - 7;
    r.size.width = 5;
    r.size.height = 5;
    [[MyPopUpButton triangleImage] drawInRect:r fromRect:NSZeroRect operation:NSCompositeSourceAtop fraction:fraction respectFlipped:YES hints:nil];
}

@end