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// SPDX-License-Identifier: MIT
// Copyright © 2018-2019 WireGuard LLC. All Rights Reserved.
import Cocoa
class Application: NSApplication {
private let characterKeyCommands = [
"x": #selector(NSText.cut(_:)),
"c": #selector(NSText.copy(_:)),
"v": #selector(NSText.paste(_:)),
"z": #selector(UndoActionRespondable.undo(_:)),
"a": #selector(NSResponder.selectAll(_:)),
"Z": #selector(UndoActionRespondable.redo(_:)),
"w": #selector(NSWindow.performClose(_:)),
"m": #selector(NSWindow.performMiniaturize(_:)),
"q": #selector(NSApplication.terminate(_:))
]
private var appDelegate: AppDelegate? //swiftlint:disable:this weak_delegate
override init() {
super.init()
appDelegate = AppDelegate() // Keep a strong reference to the app delegate
delegate = appDelegate // Set delegate before app.run() gets called in NSApplicationMain()
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func sendEvent(_ event: NSEvent) {
let modifierFlags = event.modifierFlags.rawValue & NSEvent.ModifierFlags.deviceIndependentFlagsMask.rawValue
if event.type == .keyDown,
(modifierFlags == NSEvent.ModifierFlags.command.rawValue || modifierFlags == NSEvent.ModifierFlags.command.rawValue | NSEvent.ModifierFlags.shift.rawValue),
let selector = characterKeyCommands[event.charactersIgnoringModifiers ?? ""] {
sendAction(selector, to: nil, from: self)
} else {
super.sendEvent(event)
}
}
}
@objc protocol UndoActionRespondable {
func undo(_ sender: AnyObject)
func redo(_ sender: AnyObject)
}
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