278 lines
9.7 KiB
Swift
278 lines
9.7 KiB
Swift
//
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// CheckButton.swift
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// Adwaita
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//
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// Created by auto-generation on 22.05.24.
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//
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import CAdw
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import LevenshteinTransformations
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/// A `GtkCheckButton` places a label next to an indicator.
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///
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/// 
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///
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/// A `GtkCheckButton` is created by calling either [ctor@Gtk.CheckButton.new]
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/// or [ctor@Gtk.CheckButton.new_with_label].
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///
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/// The state of a `GtkCheckButton` can be set specifically using
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/// [method@Gtk.CheckButton.set_active], and retrieved using
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/// [method@Gtk.CheckButton.get_active].
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///
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/// # Inconsistent state
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///
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/// In addition to "on" and "off", check buttons can be an
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/// "in between" state that is neither on nor off. This can be used
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/// e.g. when the user has selected a range of elements (such as some
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/// text or spreadsheet cells) that are affected by a check button,
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/// and the current values in that range are inconsistent.
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///
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/// To set a `GtkCheckButton` to inconsistent state, use
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/// [method@Gtk.CheckButton.set_inconsistent].
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///
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/// # Grouping
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///
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/// Check buttons can be grouped together, to form mutually exclusive
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/// groups - only one of the buttons can be toggled at a time, and toggling
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/// another one will switch the currently toggled one off.
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///
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/// Grouped check buttons use a different indicator, and are commonly referred
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/// to as *radio buttons*.
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///
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/// 
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///
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/// To add a `GtkCheckButton` to a group, use [method@Gtk.CheckButton.set_group].
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///
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/// When the code must keep track of the state of a group of radio buttons, it
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/// is recommended to keep track of such state through a stateful
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/// `GAction` with a target for each button. Using the `toggled` signals to keep
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/// track of the group changes and state is discouraged.
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///
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/// # CSS nodes
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///
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/// ```
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/// checkbutton[.text-button]
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/// ├── check
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/// ╰── [label]
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/// ```
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///
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/// A `GtkCheckButton` has a main node with name checkbutton. If the
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/// [property@Gtk.CheckButton:label] or [property@Gtk.CheckButton:child]
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/// properties are set, it contains a child widget. The indicator node
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/// is named check when no group is set, and radio if the checkbutton
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/// is grouped together with other checkbuttons.
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///
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/// # Accessibility
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///
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/// `GtkCheckButton` uses the %GTK_ACCESSIBLE_ROLE_CHECKBOX role.
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public struct CheckButton: Widget {
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/// Additional update functions for type extensions.
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var updateFunctions: [(ViewStorage, [(View) -> View], Bool) -> Void] = []
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/// Additional appear functions for type extensions.
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var appearFunctions: [(ViewStorage, [(View) -> View]) -> Void] = []
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/// The accessible role of the given `GtkAccessible` implementation.
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///
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/// The accessible role cannot be changed once set.
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var accessibleRole: String?
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/// action-name
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var actionName: String?
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/// If the check button is active.
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///
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/// Setting `active` to %TRUE will add the `:checked:` state to both
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/// the check button and the indicator CSS node.
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var active: Binding<Bool>?
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/// The child widget.
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var child: (() -> Body)?
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/// If the check button is in an “in between” state.
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///
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/// The inconsistent state only affects visual appearance,
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/// not the semantics of the button.
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var inconsistent: Bool?
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/// Text of the label inside the check button, if it contains a label widget.
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var label: String?
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/// If set, an underline in the text indicates that the following
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/// character is to be used as mnemonic.
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var useUnderline: Bool?
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/// Emitted to when the check button is activated.
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///
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/// The `::activate` signal on `GtkCheckButton` is an action signal and
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/// emitting it causes the button to animate press then release.
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///
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/// Applications should never connect to this signal, but use the
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/// [signal@Gtk.CheckButton::toggled] signal.
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///
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/// The default bindings for this signal are all forms of the
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/// <kbd>␣</kbd> and <kbd>Enter</kbd> keys.
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var activate: (() -> Void)?
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/// Emitted when the buttons's [property@Gtk.CheckButton:active]
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/// property changes.
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var toggled: (() -> Void)?
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/// The application.
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var app: GTUIApp?
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/// The window.
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var window: GTUIApplicationWindow?
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/// Initialize `CheckButton`.
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public init() {
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}
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/// Get the widget's view storage.
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/// - Parameter modifiers: The view modifiers.
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/// - Returns: The view storage.
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public func container(modifiers: [(View) -> View]) -> ViewStorage {
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let storage = ViewStorage(gtk_check_button_new()?.opaque())
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for function in appearFunctions {
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function(storage, modifiers)
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}
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update(storage, modifiers: modifiers, updateProperties: true)
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if let childStorage = child?().widget(modifiers: modifiers).storage(modifiers: modifiers) {
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storage.content["child"] = [childStorage]
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gtk_check_button_set_child(storage.pointer?.cast(), childStorage.pointer?.cast())
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}
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return storage
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}
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/// Update the widget's view storage.
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/// - Parameters:
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/// - storage: The view storage.
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/// - modifiers: The view modifiers.
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/// - updateProperties: Whether to update the view's properties.
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public func update(_ storage: ViewStorage, modifiers: [(View) -> View], updateProperties: Bool) {
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if let activate {
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storage.connectSignal(name: "activate", argCount: 0) {
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activate()
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}
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}
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if let toggled {
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storage.connectSignal(name: "toggled", argCount: 0) {
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toggled()
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}
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}
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storage.modify { widget in
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storage.notify(name: "active") {
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let newValue = gtk_check_button_get_active(storage.pointer?.cast()) != 0
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if let active, newValue != active.wrappedValue {
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active.wrappedValue = newValue
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}
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}
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if let actionName, updateProperties {
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gtk_actionable_set_action_name(widget, actionName)
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}
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if let active, updateProperties, (gtk_check_button_get_active(storage.pointer?.cast()) != 0) != active.wrappedValue {
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gtk_check_button_set_active(storage.pointer?.cast(), active.wrappedValue.cBool)
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}
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if let widget = storage.content["child"]?.first {
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child?().widget(modifiers: modifiers).update(widget, modifiers: modifiers, updateProperties: updateProperties)
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}
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if let inconsistent, updateProperties {
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gtk_check_button_set_inconsistent(widget?.cast(), inconsistent.cBool)
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}
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if let label, storage.content["child"] == nil, updateProperties {
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gtk_check_button_set_label(widget?.cast(), label)
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}
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if let useUnderline, updateProperties {
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gtk_check_button_set_use_underline(widget?.cast(), useUnderline.cBool)
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}
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}
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for function in updateFunctions {
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function(storage, modifiers, updateProperties)
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}
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}
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/// The accessible role of the given `GtkAccessible` implementation.
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///
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/// The accessible role cannot be changed once set.
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public func accessibleRole(_ accessibleRole: String?) -> Self {
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var newSelf = self
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newSelf.accessibleRole = accessibleRole
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return newSelf
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}
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/// action-name
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public func actionName(_ actionName: String?) -> Self {
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var newSelf = self
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newSelf.actionName = actionName
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return newSelf
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}
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/// If the check button is active.
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///
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/// Setting `active` to %TRUE will add the `:checked:` state to both
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/// the check button and the indicator CSS node.
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public func active(_ active: Binding<Bool>?) -> Self {
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var newSelf = self
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newSelf.active = active
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return newSelf
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}
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/// The child widget.
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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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/// If the check button is in an “in between” state.
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///
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/// The inconsistent state only affects visual appearance,
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/// not the semantics of the button.
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public func inconsistent(_ inconsistent: Bool? = true) -> Self {
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var newSelf = self
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newSelf.inconsistent = inconsistent
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return newSelf
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}
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/// Text of the label inside the check button, if it contains a label widget.
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public func label(_ label: String?) -> Self {
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var newSelf = self
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newSelf.label = label
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return newSelf
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}
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/// If set, an underline in the text indicates that the following
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/// character is to be used as mnemonic.
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public func useUnderline(_ useUnderline: Bool? = true) -> Self {
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var newSelf = self
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newSelf.useUnderline = useUnderline
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return newSelf
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}
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/// Emitted to when the check button is activated.
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///
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/// The `::activate` signal on `GtkCheckButton` is an action signal and
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/// emitting it causes the button to animate press then release.
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///
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/// Applications should never connect to this signal, but use the
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/// [signal@Gtk.CheckButton::toggled] signal.
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///
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/// The default bindings for this signal are all forms of the
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/// <kbd>␣</kbd> and <kbd>Enter</kbd> keys.
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public func activate(_ activate: @escaping () -> Void) -> Self {
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var newSelf = self
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newSelf.activate = activate
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return newSelf
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}
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/// Emitted when the buttons's [property@Gtk.CheckButton:active]
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/// property changes.
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public func toggled(_ toggled: @escaping () -> Void) -> Self {
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var newSelf = self
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newSelf.toggled = toggled
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return newSelf
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}
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}
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