85 lines
2.7 KiB
Swift
85 lines
2.7 KiB
Swift
//
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// MenuCollection.swift
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// Adwaita
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//
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// Created by david-swift on 02.08.2024.
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//
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import CAdw
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import Foundation
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/// A collection of menus.
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public struct MenuCollection: MenuWidget, Wrapper {
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/// The content of the collection.
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var content: Body
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/// Initialize a menu.
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/// - Parameter content: The content of the collection.
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public init(@ViewBuilder content: @escaping () -> Body) {
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self.content = content()
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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 storages = content.storages(data: data, type: type)
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return .init(nil, content: [.mainContent: storages])
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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 storages = storage.content[.mainContent] else {
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return
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}
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content.update(storages, data: data, updateProperties: updateProperties, type: type)
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}
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/// Render the collection as a menu.
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/// - Parameter data: The widget data.
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/// - Returns: The view storage with the GMenu as the pointer.
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public func getMenu(data: WidgetData) -> ViewStorage {
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let menu = g_menu_new()
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let storage = container(data: data.noModifiers, type: MenuContext.self)
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if let app = data.appStorage as? AdwaitaApp, let window = data.sceneStorage.pointer as? AdwaitaWindow {
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initializeMenu(menu: menu, storage: storage, app: app, window: window)
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}
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storage.pointer = menu
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return storage
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}
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/// Initialize a menu.
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/// - Parameters:
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/// - menu: The pointer to the GMenu.
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/// - storage: The storage for the menu's content.
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/// - app: The app object.
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/// - window: The window object.
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func initializeMenu(menu: OpaquePointer?, storage: ViewStorage, app: AdwaitaApp, window: AdwaitaWindow?) {
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if let item = storage.opaquePointer {
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g_menu_append_item(menu, item)
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storage.pointer = item
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} else {
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for element in storage.content[.mainContent] ?? [] {
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initializeMenu(menu: menu, storage: element, app: app, window: window)
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}
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}
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}
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}
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