87 lines
2.1 KiB
Swift
87 lines
2.1 KiB
Swift
// 1 august 2015
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import Cocoa
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// auto layout helpers
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func isAmbiguous(view: NSView, indent: Int) {
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var s = String(count: indent, repeatedValue: " " as Character)
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println("\(s) \(view.className) \(view.hasAmbiguousLayout)")
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if view.hasAmbiguousLayout {
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view.window?.visualizeConstraints(view.superview!.constraints)
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}
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for subview in view.subviews {
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isAmbiguous(subview as! NSView, indent + 1)
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}
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}
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class Window : NSWindow, Control {
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private var c: Control?
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private var margined: Bool
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init() {
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self.c = nil
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self.margined = false
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// we have to initialize our own instance variables first, unfortunately (thanks erica in irc.freenode.net/#swift-lang)
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super.init(
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contentRect: NSMakeRect(0, 0, 320, 240),
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styleMask: (NSTitledWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask | NSResizableWindowMask),
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backing: NSBackingStoreType.Buffered,
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defer: true)
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self.title = "Auto Layout Test"
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}
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required init?(coder: NSCoder) {
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fatalError("can't use this constructor, sorry")
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}
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func SetControl(c: Control) {
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self.c = c
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var contentView = self.contentView as! NSView
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contentView.addSubview(self.c!.View())
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self.relayout()
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}
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func SetMargined(m: Bool) {
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self.margined = m
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self.relayout()
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}
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func Show() {
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self.cascadeTopLeftFromPoint(NSMakePoint(20, 20))
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self.makeKeyAndOrderFront(self)
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isAmbiguous(self.contentView as! NSView, 0)
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}
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func View() -> NSView {
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fatalError("cannot call Window.View()")
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}
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func SetParent(p: Control) {
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fatalError("cannot call Window.SetParent()")
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}
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private func relayout() {
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if self.c == nil {
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return
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}
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var contentView = self.contentView as! NSView
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contentView.removeConstraints(contentView.constraints)
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var views = [
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"view": self.c!.View(),
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]
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var margin = ""
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if self.margined {
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margin = "-"
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}
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var constraint = "H:|" + margin + "[view]" + margin + "|"
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var constraints = mkconstraints(constraint, nil, views)
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contentView.addConstraints(constraints)
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constraint = "V:|" + margin + "[view]" + margin + "|"
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constraints = mkconstraints(constraint, nil, views)
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contentView.addConstraints(constraints)
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}
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}
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