NSButton example: Vertical aligning text in a NSButton

README.md

Vertical aligning text in NSButton

This is a example on how you can top align text in a NSButton using a custom cell class.

Implementation

#import "MSButtonTextTopCell.h"

MSButtonTextTopCell *cell = [[MSButtonTextTopCell alloc] init];
NSButton *button = [[NSButton alloc] initWithFrame:CGRectMake(0, 0, 100, 100];
[button setCell:cell];
[button setTitle:@"Button Text"];

[self addSubview:button];

MSButtonTextTopCell.h

//
//  MSButtonTextTopCell.h
//  <Project>
//
//  Created by Martin Sandström on 2015-09-23.
//  Copyright (c) 2015 Martin Sandström. All rights reserved.
//

#import <Cocoa/Cocoa.h>

@interface MSButtonTextTopCell : NSButtonCell
@end

MSButtonTextTopCell.m

//
//  MSButtonTextTopCell.m
//  <Project>
//
//  Created by Martin Sandström on 2015-09-23.
//  Copyright (c) 2015 Martin Sandström. All rights reserved.
//

#import "MSButtonTextTopCell.h"


@implementation MSButtonTextTopCell

-(id) init {
    self = [super init];
    if (self) {
    }
    return self;
}

-(id) initWithCoder:(NSCoder *)decoder {
    return [super initWithCoder:decoder];
}
-(id) initImageCell:(NSImage *)image {
    return [super initImageCell:image];
}
-(id) initTextCell:(NSString *)string {
    return [super initTextCell:string];
}

- (NSRect)titleRectForBounds:(NSRect)theRect {
    NSRect titleFrame = [super titleRectForBounds:theRect];
    NSSize titleSize = [[self attributedStringValue] size];
    
    titleFrame.origin.y = theRect.origin.y-(theRect.size.height-titleSize.height)*0.5;
    
    return titleFrame;
}

@end