108 lines
2.2 KiB
Swift
108 lines
2.2 KiB
Swift
import SwiftUI
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final class CallbackMenuItem: NSMenuItem {
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private static var validateCallback: ((NSMenuItem) -> Bool)?
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static func validate(_ callback: @escaping (NSMenuItem) -> Bool) {
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validateCallback = callback
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}
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private let callback: () -> Void
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init(
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_ title: String,
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key: String = "",
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keyModifiers: NSEvent.ModifierFlags? = nil,
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isEnabled: Bool = true,
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isChecked: Bool = false,
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isHidden: Bool = false,
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action: @escaping () -> Void
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) {
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self.callback = action
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super.init(title: title, action: #selector(action(_:)), keyEquivalent: key)
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self.target = self
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self.isEnabled = isEnabled
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self.isChecked = isChecked
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self.isHidden = isHidden
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if let keyModifiers = keyModifiers {
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self.keyEquivalentModifierMask = keyModifiers
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}
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}
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@available(*, unavailable)
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required init(coder decoder: NSCoder) {
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// swiftlint:disable:next fatal_error_message
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fatalError()
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}
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@objc
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private func action(_ sender: NSMenuItem) {
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callback()
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}
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}
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extension CallbackMenuItem: NSMenuItemValidation {
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func validateMenuItem(_ menuItem: NSMenuItem) -> Bool {
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Self.validateCallback?(menuItem) ?? true
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}
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}
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extension NSMenuItem {
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convenience init(
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_ title: String,
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action: Selector? = nil,
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key: String = "",
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keyModifiers: NSEvent.ModifierFlags? = nil,
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data: Any? = nil,
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isEnabled: Bool = true,
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isChecked: Bool = false,
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isHidden: Bool = false
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) {
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self.init(title: title, action: action, keyEquivalent: key)
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self.representedObject = data
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self.isEnabled = isEnabled
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self.isChecked = isChecked
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self.isHidden = isHidden
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if let keyModifiers = keyModifiers {
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self.keyEquivalentModifierMask = keyModifiers
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}
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}
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var isChecked: Bool {
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get { state == .on }
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set {
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state = newValue ? .on : .off
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}
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}
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}
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extension NSMenu {
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@discardableResult
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func addCallbackItem(
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_ title: String,
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key: String = "",
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keyModifiers: NSEvent.ModifierFlags? = nil,
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isEnabled: Bool = true,
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isChecked: Bool = false,
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isHidden: Bool = false,
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action: @escaping () -> Void
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) -> NSMenuItem {
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let menuItem = CallbackMenuItem(
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title,
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key: key,
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keyModifiers: keyModifiers,
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isEnabled: isEnabled,
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isChecked: isChecked,
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isHidden: isHidden,
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action: action
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)
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addItem(menuItem)
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return menuItem
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}
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}
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