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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| // | ||
| // ColoredButton.swift | ||
| // KFAboutWindowPreview | ||
| // | ||
| // Created by Gunnar Herzog on 22/09/2016. | ||
| // Copyright © 2016 KF Interactive. All rights reserved. | ||
| // | ||
|
|
||
| import AppKit | ||
|
|
||
| @available(OSX 10.10, *) | ||
| public class ColoredButton: NSButton { | ||
| public var color: NSColor = .black { | ||
| didSet { | ||
| redraw() | ||
| } | ||
| } | ||
|
|
||
| required public init?(coder: NSCoder) { | ||
| super.init(coder: coder) | ||
| redraw() | ||
| } | ||
|
|
||
| public override var title: String { | ||
| didSet { | ||
| redraw() | ||
| } | ||
| } | ||
|
|
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| private func redraw() { | ||
| wantsLayer = true | ||
| layerContentsRedrawPolicy = .onSetNeedsDisplay | ||
| layer?.cornerRadius = 10 | ||
| layer?.borderWidth = 1.0 | ||
| layer?.borderColor = color.cgColor | ||
|
|
||
| let paragraphStyle = NSParagraphStyle.default().mutableCopy() as! NSMutableParagraphStyle | ||
| paragraphStyle.alignment = .center | ||
| attributedTitle = NSAttributedString(string: title, attributes: [NSFontAttributeName: font!, NSParagraphStyleAttributeName: paragraphStyle, NSForegroundColorAttributeName: color]) | ||
| } | ||
|
|
||
| override public var wantsUpdateLayer:Bool{ | ||
| return true | ||
| } | ||
|
|
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| override public func updateLayer() { | ||
| if isHighlighted { | ||
| layer?.backgroundColor = color.lighter.cgColor | ||
| } else { | ||
| layer?.backgroundColor = nil | ||
| } | ||
| super.updateLayer() | ||
| } | ||
|
|
||
| override public var intrinsicContentSize: NSSize { | ||
| let width = attributedTitle.size().width | ||
|
|
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| var size = super.intrinsicContentSize | ||
| size.width = width + 3.0 * (layer?.cornerRadius ?? 0) | ||
| return size | ||
| } | ||
| } | ||
|
|
||
| extension NSColor { | ||
| var lighter: NSColor { | ||
| return NSColor(calibratedRed: redComponent, green: greenComponent, blue: blueComponent, alpha: 0.15) | ||
| } | ||
| } |
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