CocoaPopUpButton.m

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//
//  CocoaPopUpButton.m
//  
//
//  Created by Samuel Strupp on 10.08.10.
//
 
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
 
 
#import "CocoaPopUpButton.h"
 
#ifndef COCOA_POPUP_BUTTON_MM
#define COCOA_POPUP_BUTTON_MM
 
@implementation CocoaPopUpButton
 
@synthesize fillX;
@synthesize fillY;
 
- (id)initWithFrame:(NSRect)frameRect pullsDown:(BOOL)flag {
    self = [super initWithFrame:frameRect pullsDown:flag];
    if (self) {
                [self setTarget:self];
                [self setAction:@selector(clicked:)];
                c_actionPtr = nil;
                c_actionData = nil;
                fillX = NO;
                fillY = NO;
                minWidth = 40.0;
    }
    return self;
}
 
-(void) dealloc {
        [super dealloc];
}
 
 
-(NSSize) neededTextSize {
        if ([self numberOfItems] > 0) {
                NSSize maxSize = NSZeroSize;
                NSDictionary *attributes = [NSDictionary dictionaryWithObjectsAndKeys:
                                                                        [NSColor blackColor], NSForegroundColorAttributeName,
                                                                        [self font], NSFontAttributeName,
                                                                        nil];
                
                NSArray *titles = [self itemTitles];
                for (NSString *title in titles) {
                        NSSize titleSize = [title sizeWithAttributes:attributes];
                        if (maxSize.width < titleSize.width) maxSize.width = titleSize.width;
                        if (maxSize.height < titleSize.height) maxSize.height = titleSize.height;
                }
                
                return maxSize;
        }
        return NSZeroSize;
}
 
-(void) computeMinWidth {
        NSSize size = [self neededTextSize];
        minWidth = size.width + 40.0;
}
 
-(void) setC_PopUpActionPtr:(gwenPopUpActionPtr)ptr Data:(void*)data {
        c_actionPtr = ptr;
        c_actionData = data;
}
 
-(void) clicked:(id) sender {
        if (c_actionPtr) {
                c_actionPtr(self, c_actionData);
        }
}
 
- (void)setTitle:(NSString *)aString {
        [super setTitle:aString];
        [self computeMinWidth];
}
 
- (void)addItemWithTitle:(NSString *)title {
        [super addItemWithTitle:title];
        [self computeMinWidth];
}
 
#pragma mark Protocoll Methods
 
- (NSSize) minSize {
        return NSMakeSize(minWidth, 24.0);
}
 
@end
 
#endif