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executable file 196 lines (169 sloc) 5.96 KB
#!/usr/bin/env xcrun swift
import Cocoa
class MyAppDelegate: NSObject, NSApplicationDelegate {
let window = NSWindow()
var didFinishLaunching: NSWindow -> () = { _ in () }
func applicationDidFinishLaunching(aNotification: NSNotification) {
didFinishLaunching(window)
}
}
public class App {
private var application: NSApplication
init(_ theApplication: NSApplication) {
application = theApplication
}
func exit() {
application.terminate(nil)
}
}
public func app(title: String, width: Int = 400, height: Int = 200, rootView: App -> View) {
let app = NSApplication.sharedApplication()
let appDelegate = MyAppDelegate()
app.setActivationPolicy(.Regular)
let view = rootView(App(app))
appDelegate.didFinishLaunching = { window in
window.setContentSize(NSSize(width:width, height:height))
window.styleMask = NSTitledWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask | NSResizableWindowMask
window.opaque = false
window.center()
window.title = title
window.contentView!.wantsLayer = true
window.makeKeyAndOrderFront(window)
let contentView = window.contentView!
contentView.addSubview(view.rootView)
if view.rootView.frame == CGRectZero {
view.rootView.sizeToParent()
}
window.layoutIfNeeded()
view.afterAdding()
app.activateIgnoringOtherApps(true)
}
app.delegate = appDelegate
app.run()
print(view) // Make sure we keep a reference around
}
extension NSView {
func sizeToParent() {
frame = superview!.bounds
autoresizingMask = NSAutoresizingMaskOptions([.ViewWidthSizable, .ViewMaxXMargin, .ViewMinYMargin, .ViewHeightSizable, .ViewMaxYMargin])
}
}
public struct TextViewConfiguration {
var text: String = ""
var size: NSSize? = NSMakeSize(180,160)
var origin: NSPoint? = NSMakePoint(20,10)
var editable: Bool = false
var selectable: Bool = true
}
public protocol View {
var rootView: NSView { get }
var afterAdding: () -> () { get }
}
public class TextView: View {
public var rootView: NSView
var textView: NSTextView
public var afterAdding: () -> ()
var text: String {
get {
return textView.string ?? ""
}
set {
textView.string = newValue
}
}
init(rootView: NSView, textView: NSTextView, afterAdding: () -> () = { _ in () } ) {
self.rootView = rootView
self.afterAdding = afterAdding
self.textView = textView
}
}
public class SimpleView: View {
public var rootView: NSView
public var afterAdding: () -> ()
var delegate: AnyObject?
init(rootView: NSView, delegate: AnyObject? = nil, afterAdding: () -> () = { _ in () } ) {
self.rootView = rootView
self.delegate = delegate
self.afterAdding = afterAdding
}
}
public func textView(text: String, editable: Bool) -> TextView {
var configuration = TextViewConfiguration()
configuration.text = text
configuration.editable = editable
return textView(configuration)
}
public func textView(configuration: TextViewConfiguration) -> TextView {
let scrollView = NSScrollView(frame: CGRectZero)
scrollView.borderType = .NoBorder
scrollView.hasVerticalScroller = true
scrollView.hasHorizontalScroller = false
let ed = NSTextView(frame: CGRectZero)
let afterAdding = {
ed.frame = scrollView.bounds
ed.minSize = scrollView.bounds.size
ed.maxSize = NSSize(width: CGFloat.max, height: CGFloat.max)
ed.string = configuration.text
ed.editable = configuration.editable
ed.selectable = configuration.selectable
ed.verticallyResizable = true
ed.horizontallyResizable = false
ed.textContainer!.containerSize = NSSize(width: scrollView.bounds.size.width, height: CGFloat.max)
ed.textContainer!.widthTracksTextView = true
scrollView.documentView = ed
}
return TextView(rootView: scrollView, textView: ed, afterAdding: afterAdding)
}
class ButtonDelegate: NSObject {
var callback: () -> ()
init(_ callback: () -> ()) {
self.callback = callback
}
@objc func buttonClicked() {
callback()
}
}
public func button(text: String, onClick: () -> ()) -> View {
let button = NSButton(frame: CGRectZero)
let delegate = ButtonDelegate(onClick)
button.title = text
button.target = delegate
button.action = "buttonClicked"
button.bezelStyle = .SmallSquareBezelStyle
return SimpleView(rootView: button, delegate: delegate)
}
public func label(text: String) -> View {
let field = NSTextField(frame: CGRectZero)
field.bezeled = false
field.drawsBackground = false
field.editable = false
field.selectable = false
field.stringValue = text
return SimpleView(rootView: field)
}
final class Box<A>: NSObject {
var unbox: A
init(_ value: A) { unbox = value }
}
public func stack(views: [View], orientation: NSUserInterfaceLayoutOrientation = .Vertical) -> View {
let stackView = NSStackView(frame: CGRectZero)
stackView.orientation = orientation
stackView.autoresizingMask = NSAutoresizingMaskOptions([.ViewWidthSizable, .ViewHeightSizable])
for view in views {
stackView.addView(view.rootView, inGravity: .Top)
}
let afterAdding = {
views.forEach { $0.afterAdding() }
}
return SimpleView(rootView: stackView, delegate: Box(views), afterAdding: afterAdding)
}
// TODO: left-hand side finder-like tree tructure
// TODO: toolbar at the top.
// Goal: build something like notes?
app("My app") { theApp in
let text = Array(count: 3, repeatedValue: "Hello, world").joinWithSeparator("\n")
let tv = textView(text, editable: true)
let theButton = button("Hello") { tv.text += "\nHello!"}
let buttons = stack([theButton, button("Exit", onClick: theApp.exit)], orientation: .Horizontal)
return stack([label("Add some text"), tv, buttons])
}