Created
November 30, 2016 22:10
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Storyboard friendly UIButton with centered text and image
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| Adjusting the edge insets screws up the intrinsic size of the button, causing the hit area to be skewed. | |
| // UICenteredButton.h | |
| // Created by Sean Kovacs on 6/9/15. | |
| #import <UIKit/UIKit.h> | |
| IB_DESIGNABLE | |
| @interface UICenteredButton : UIButton | |
| @end | |
| // UICenteredButton.m | |
| // Created by Sean Kovacs on 6/9/15. | |
| // Copyright (c) 2015 InterBay Applications, LLC. All rights reserved. | |
| #import "UICenteredButton.h" | |
| const CGFloat kPadding = 5.0f; | |
| @implementation UICenteredButton | |
| - (void)prepareForInterfaceBuilder | |
| { | |
| [self applyDefaultCustomization]; | |
| } | |
| - (void)setNeedsLayout | |
| { | |
| [super setNeedsLayout]; | |
| [self applyDefaultCustomization]; | |
| } | |
| - (void)applyDefaultCustomization | |
| { | |
| CGSize imageSize = self.imageView.frame.size; | |
| CGSize titleSize = [self.titleLabel.text sizeWithAttributes: @{NSFontAttributeName:self.titleLabel.font}]; | |
| CGFloat totalHeight = (imageSize.height + titleSize.height + kPadding); | |
| self.imageEdgeInsets = UIEdgeInsetsMake(- (totalHeight - imageSize.height), | |
| 0.0f, | |
| 0.0f, | |
| - titleSize.width); | |
| self.titleEdgeInsets = UIEdgeInsetsMake(0.0f, | |
| - imageSize.width, | |
| - (totalHeight - titleSize.height), | |
| 0.0f); | |
| } | |
| - (CGSize) intrinsicContentSize | |
| { | |
| CGSize s = [super intrinsicContentSize]; | |
| return CGSizeMake(s.width + fabs(self.titleEdgeInsets.left) + fabs(self.titleEdgeInsets.right), | |
| s.height + fabs(self.titleEdgeInsets.top) + fabs(self.titleEdgeInsets.bottom)); | |
| } | |
| @end |
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