66 lines
2.0 KiB
Swift
66 lines
2.0 KiB
Swift
//
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// Submenu.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 submenu widget.
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public struct Submenu: MenuWidget {
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/// The label of the submenu.
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var label: String
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/// The content of the submenu.
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var content: Body
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/// Initialize a submenu.
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/// - Parameters:
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/// - label: The submenu's label.
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/// - content: The content of the section.
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public init(_ label: String, @ViewBuilder content: () -> Body) {
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self.label = label
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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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modifiers: [(any AnyView) -> any AnyView],
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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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let getItem: (AdwaitaApp, AdwaitaWindow?) -> OpaquePointer? = { app, window in
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let childStorage = MenuCollection { content }.getMenu(app: app, window: window)
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storage.content[.mainContent] = [childStorage]
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return g_menu_item_new_submenu(label, childStorage.opaquePointer?.cast())
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}
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storage.pointer = getItem
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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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modifiers: [(AnyView) -> AnyView],
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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 content = storage.content[.mainContent]?.first else {
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return
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}
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MenuCollection { self.content }
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.updateStorage(content, modifiers: [], updateProperties: updateProperties, type: MenuContext.self)
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}
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}
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