85 lines
2.7 KiB
Swift
85 lines
2.7 KiB
Swift
//
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// Bin.swift
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// Adwaita
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//
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// Created by auto-generation on 26.10.24.
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//
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import CAdw
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import LevenshteinTransformations
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/// A widget with one child.
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///
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/// <picture><source srcset="bin-dark.png" media="(prefers-color-scheme: dark)"><img src="bin.png" alt="bin"></picture>
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///
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/// The `AdwBin` widget has only one child, set with the [property@Bin:child]
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/// property.
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///
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/// It is useful for deriving subclasses, since it provides common code needed
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/// for handling a single child widget.
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public struct Bin: AdwaitaWidget {
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/// Additional update functions for type extensions.
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var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
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/// Additional appear functions for type extensions.
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var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []
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/// The child widget of the `AdwBin`.
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var child: (() -> Body)?
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/// Initialize `Bin`.
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public init() {
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}
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/// The view storage.
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/// - Parameters:
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/// - modifiers: Modify views before being updated.
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/// - type: The view render data type.
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/// - Returns: The view storage.
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public func container<Data>(data: WidgetData, type: Data.Type) -> ViewStorage where Data: ViewRenderData {
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let storage = ViewStorage(adw_bin_new()?.opaque())
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for function in appearFunctions {
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function(storage, data)
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}
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update(storage, data: data, updateProperties: true, type: type)
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if let childStorage = child?().storage(data: data, type: type) {
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storage.content["child"] = [childStorage]
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adw_bin_set_child(storage.opaquePointer?.cast(), childStorage.opaquePointer?.cast())
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}
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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 views before being updated
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/// - updateProperties: Whether to update the view's properties.
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/// - type: The view render data type.
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public func update<Data>(_ storage: ViewStorage, data: WidgetData, updateProperties: Bool, type: Data.Type) where Data: ViewRenderData {
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storage.modify { widget in
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if let widget = storage.content["child"]?.first {
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child?().updateStorage(widget, data: data, updateProperties: updateProperties, type: type)
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}
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}
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for function in updateFunctions {
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function(storage, data, updateProperties)
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}
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if updateProperties {
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storage.previousState = self
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}
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}
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/// The child widget of the `AdwBin`.
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public func child(@ViewBuilder _ child: @escaping (() -> Body)) -> Self {
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var newSelf = self
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newSelf.child = child
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return newSelf
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}
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}
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