CocoaComboBox.m

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//
//  CocoaComboBox.m
//  
//
//  Created by Samuel Strupp on 10.08.10.
//
 
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
 
#import "CocoaComboBox.h"
 
#ifndef COCOA_COMBOBOX_MM
#define COCOA_COMBOBOX_MM
 
@implementation CocoaComboBox
 
@synthesize fillX;
@synthesize fillY;
 
- (id)initWithFrame:(NSRect)frame {
    self = [super initWithFrame:frame];
    if (self) {
                [self setTarget:self];
                [self setAction:@selector(textChanged:)];
                c_actionPtr = nil;
                c_actionData = nil;
                
                c_actionPtr = nil;
    }
    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 *objectValues = [self objectValues];
                
                for (NSString *s in objectValues) {
                        NSSize titleSize = [s 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+44.0;
}
 
-(void) setC_ComboBoxActionPtr:(gwenComboBoxActionPtr)ptr Data:(void*)data {
        c_actionPtr = ptr;
        c_actionData = data;
}
 
-(void) textChanged:(id)sender {
        if (c_actionPtr) {
                c_actionPtr(self, c_actionData);
        }
}
 
- (void)setStringValue:(NSString *)aString {
        [super setStringValue:aString]; //damit hebeln wir die automatische Größen Berechnung vom CocoaLabel aus.
}
 
- (void)addItemWithObjectValue:(id)anObject {
        [super addItemWithObjectValue:anObject];
        [self computeMinWidth];
}
 
#pragma mark Protocoll Methods
 
- (NSSize) minSize {
        return NSMakeSize(minWidth, 24.0);
}
 
@end
 
#endif