94 lines
3.1 KiB
Swift
94 lines
3.1 KiB
Swift
//
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// MenuButton.swift
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// Adwaita
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//
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// Created by david-swift on 22.10.23.
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//
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import CAdw
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/// A button widget for menus.
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public struct MenuButton: MenuWidget {
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/// The button's label.
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var label: String
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/// The button's action handler.
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var handler: () -> Void
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/// The keyboard shortcut.
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var shortcut = ""
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/// Whether to prefer adding the action to the application window.
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var preferApplicationWindow: Bool
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/// The action label.
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var filteredLabel: String { label.filter { $0.isLetter || $0.isNumber || $0 == "-" || $0 == "." } }
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/// Initialize a menu button.
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/// - Parameters:
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/// - label: The buttons label.
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/// - window: Whether to prefer adding the action to the application window.
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/// - handler: The button's action handler.
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public init(_ label: String, window: Bool = true, handler: @escaping () -> Void) {
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self.label = label
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preferApplicationWindow = window
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self.handler = handler
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}
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/// The view storage.
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/// - Parameters:
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/// - modifiers: Modify the views before updating.
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/// - type: The type of the views.
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/// - Returns: The view storage.
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public func container<Data>(
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data: WidgetData,
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type: Data.Type
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) -> ViewStorage where Data: ViewRenderData {
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let storage = ViewStorage(nil)
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var label = filteredLabel
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guard let app = data.appStorage as? AdwaitaApp else {
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return .init(nil)
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}
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if let window = data.sceneStorage.pointer as? AdwaitaWindow, preferApplicationWindow {
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app.addKeyboardShortcut(shortcut, id: filteredLabel, window: window, handler: handler)
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label = "win." + label
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} else {
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app.addKeyboardShortcut(shortcut, id: filteredLabel, handler: handler)
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label = "app." + label
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}
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let pointer = g_menu_item_new(self.label, label)
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storage.pointer = pointer
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return storage
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}
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/// Update the stored content.
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/// - Parameters:
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/// - storage: The storage to update.
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/// - modifiers: Modify the views before updating.
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/// - updateProperties: Whether to update the properties.
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/// - type: The type of the views.
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public func update<Data>(
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_ storage: ViewStorage,
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data: WidgetData,
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updateProperties: Bool,
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type: Data.Type
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) where Data: ViewRenderData {
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guard let app = data.appStorage as? AdwaitaApp else {
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return
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}
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if let window = data.sceneStorage.pointer as? AdwaitaWindow, preferApplicationWindow {
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app.addKeyboardShortcut(shortcut, id: filteredLabel, window: window, handler: handler)
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} else {
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app.addKeyboardShortcut(shortcut, id: filteredLabel, handler: handler)
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}
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}
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/// Create a keyboard shortcut for an application from a button.
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///
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/// Note that the keyboard shortcut is available after the view has been visible for the first time.
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/// - Parameter shortcut: The keyboard shortcut.
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/// - Returns: The button.
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public func keyboardShortcut(_ shortcut: String) -> Self {
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modify { $0.shortcut = shortcut }
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}
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}
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