gtk4/auto/

application_window.rs

// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT
#![allow(deprecated)]

#[cfg(feature = "v4_20")]
#[cfg_attr(docsrs, doc(cfg(feature = "v4_20")))]
use crate::WindowGravity;
use crate::{
    Accessible, AccessibleRole, Align, Application, Buildable, ConstraintTarget, LayoutManager,
    Native, Overflow, Root, ShortcutManager, ShortcutsWindow, Widget, Window, ffi,
};
#[cfg(feature = "v4_24")]
#[cfg_attr(docsrs, doc(cfg(feature = "v4_24")))]
use glib::object::ObjectType as _;
use glib::{
    prelude::*,
    signal::{SignalHandlerId, connect_raw},
    translate::*,
};
use std::boxed::Box as Box_;

glib::wrapper! {
    /// A [`Window`][crate::Window] subclass that integrates with [`Application`][crate::Application].
    ///
    /// Notably, [`ApplicationWindow`][crate::ApplicationWindow] can handle an application menubar.
    ///
    /// This class implements the [`gio::ActionGroup`][crate::gio::ActionGroup] and [`gio::ActionMap`][crate::gio::ActionMap]
    /// interfaces, to let you add window-specific actions that will be exported
    /// by the associated [`Application`][crate::Application], together with its application-wide
    /// actions. Window-specific actions are prefixed with the “win.”
    /// prefix and application-wide actions are prefixed with the “app.”
    /// prefix. Actions must be addressed with the prefixed name when
    /// referring to them from a menu model.
    ///
    /// Note that widgets that are placed inside a [`ApplicationWindow`][crate::ApplicationWindow]
    /// can also activate these actions, if they implement the
    /// [`Actionable`][crate::Actionable] interface.
    ///
    /// The settings [`gtk-shell-shows-app-menu`][struct@crate::Settings#gtk-shell-shows-app-menu] and
    /// [`gtk-shell-shows-menubar`][struct@crate::Settings#gtk-shell-shows-menubar] tell GTK whether the
    /// desktop environment is showing the application menu and menubar
    /// models outside the application as part of the desktop shell.
    /// For instance, on OS X, both menus will be displayed remotely;
    /// on Windows neither will be.
    ///
    /// If the desktop environment does not display the menubar, it can be shown in
    /// the [`ApplicationWindow`][crate::ApplicationWindow] by setting the
    /// [`show-menubar`][struct@crate::ApplicationWindow#show-menubar] property to true. If the
    /// desktop environment does not display the application menu, then it will
    /// automatically be included in the menubar or in the window’s client-side
    /// decorations.
    ///
    /// See [`PopoverMenu`][crate::PopoverMenu] for information about the XML language
    /// used by [`Builder`][crate::Builder] for menu models.
    ///
    /// See also: [`GtkApplicationExt::set_menubar()`][crate::prelude::GtkApplicationExt::set_menubar()].
    ///
    /// ## A GtkApplicationWindow with a menubar
    ///
    /// The code sample below shows how to set up a [`ApplicationWindow`][crate::ApplicationWindow]
    /// with a menu bar defined on the [`Application`][crate::Application]:
    ///
    /// **⚠️ The following code is in c ⚠️**
    ///
    /// ```c
    /// GtkApplication *app = gtk_application_new ("org.gtk.test", 0);
    ///
    /// GtkBuilder *builder = gtk_builder_new_from_string (
    ///     "<interface>"
    ///     "  <menu id='menubar'>"
    ///     "    <submenu>"
    ///     "      <attribute name='label' translatable='yes'>_Edit</attribute>"
    ///     "      <item>"
    ///     "        <attribute name='label' translatable='yes'>_Copy</attribute>"
    ///     "        <attribute name='action'>win.copy</attribute>"
    ///     "      </item>"
    ///     "      <item>"
    ///     "        <attribute name='label' translatable='yes'>_Paste</attribute>"
    ///     "        <attribute name='action'>win.paste</attribute>"
    ///     "      </item>"
    ///     "    </submenu>"
    ///     "  </menu>"
    ///     "</interface>",
    ///     -1);
    ///
    /// GMenuModel *menubar = G_MENU_MODEL (gtk_builder_get_object (builder, "menubar"));
    /// gtk_application_set_menubar (GTK_APPLICATION (app), menubar);
    /// g_object_unref (builder);
    ///
    /// // ...
    ///
    /// GtkWidget *window = gtk_application_window_new (app);
    /// ```
    ///
    /// ## Properties
    ///
    ///
    /// #### `show-menubar`
    ///  If this property is true, the window will display a menubar
    /// unless it is shown by the desktop shell.
    ///
    /// See [`GtkApplicationExt::set_menubar()`][crate::prelude::GtkApplicationExt::set_menubar()].
    ///
    /// If false, the window will not display a menubar, regardless
    /// of whether the desktop shell is showing it or not.
    ///
    /// Readable | Writeable | Construct
    /// <details><summary><h4>Window</h4></summary>
    ///
    ///
    /// #### `application`
    ///  The [`Application`][crate::Application] associated with the window.
    ///
    /// The application will be kept alive for at least as long as it
    /// has any windows associated with it (see g_application_hold()
    /// for a way to keep it alive without windows).
    ///
    /// Normally, the connection between the application and the window
    /// will remain until the window is destroyed, but you can explicitly
    /// remove it by setting the this property to `NULL`.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `child`
    ///  The child widget.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `decorated`
    ///  Whether the window should have a frame (also known as *decorations*).
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `default-height`
    ///  The default height of the window.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `default-widget`
    ///  The default widget.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `default-width`
    ///  The default width of the window.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `deletable`
    ///  Whether the window frame should have a close button.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `destroy-with-parent`
    ///  If this window should be destroyed when the parent is destroyed.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `display`
    ///  The display that will display this window.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `focus-visible`
    ///  Whether 'focus rectangles' are currently visible in this window.
    ///
    /// This property is maintained by GTK based on user input
    /// and should not be set by applications.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `focus-widget`
    ///  The focus widget.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `fullscreened`
    ///  Whether the window is fullscreen.
    ///
    /// Setting this property is the equivalent of calling
    /// [`GtkWindowExt::fullscreen()`][crate::prelude::GtkWindowExt::fullscreen()] or [`GtkWindowExt::unfullscreen()`][crate::prelude::GtkWindowExt::unfullscreen()];
    /// either operation is asynchronous, which means you will need to
    /// connect to the ::notify signal in order to know whether the
    /// operation was successful.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `gravity`
    ///  The gravity to use when resizing the window programmatically.
    ///
    /// Gravity describes which point of the window we want to keep
    /// fixed (meaning that the window will grow in the opposite direction).
    /// For example, a gravity of `GTK_WINDOW_GRAVITY_TOP_RIGHT` means that we
    /// want the to fix top right corner of the window.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `handle-menubar-accel`
    ///  Whether the window frame should handle <kbd>F10</kbd> for activating
    /// menubars.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `hide-on-close`
    ///  If this window should be hidden instead of destroyed when the user clicks
    /// the close button.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `icon-name`
    ///  Specifies the name of the themed icon to use as the window icon.
    ///
    /// See [`IconTheme`][crate::IconTheme] for more details.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `is-active`
    ///  Whether the toplevel is the currently active window.
    ///
    /// Readable
    ///
    ///
    /// #### `maximized`
    ///  Whether the window is maximized.
    ///
    /// Setting this property is the equivalent of calling
    /// [`GtkWindowExt::maximize()`][crate::prelude::GtkWindowExt::maximize()] or [`GtkWindowExt::unmaximize()`][crate::prelude::GtkWindowExt::unmaximize()];
    /// either operation is asynchronous, which means you will need to
    /// connect to the ::notify signal in order to know whether the
    /// operation was successful.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `mnemonics-visible`
    ///  Whether mnemonics are currently visible in this window.
    ///
    /// This property is maintained by GTK based on user input,
    /// and should not be set by applications.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `modal`
    ///  If true, the window is modal.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `resizable`
    ///  If true, users can resize the window.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `startup-id`
    ///  A write-only property for setting window's startup notification identifier.
    ///
    /// Writeable
    ///
    ///
    /// #### `suspended`
    ///  Whether the window is suspended.
    ///
    /// See [`GtkWindowExt::is_suspended()`][crate::prelude::GtkWindowExt::is_suspended()] for details about what suspended means.
    ///
    /// Readable
    ///
    ///
    /// #### `title`
    ///  The title of the window.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `titlebar`
    ///  The titlebar widget.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `transient-for`
    ///  The transient parent of the window.
    ///
    /// Readable | Writeable | Construct
    /// </details>
    /// <details><summary><h4>Widget</h4></summary>
    ///
    ///
    /// #### `can-focus`
    ///  Whether the widget or any of its descendents can accept
    /// the input focus.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `can-target`
    ///  Whether the widget can receive pointer events.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `css-classes`
    ///  A list of css classes applied to this widget.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `css-name`
    ///  The name of this widget in the CSS tree.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    ///
    /// Readable | Writeable | Construct Only
    ///
    ///
    /// #### `cursor`
    ///  The cursor used by @widget.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `focus-on-click`
    ///  Whether the widget should grab focus when it is clicked with the mouse.
    ///
    /// This property is only relevant for widgets that can take focus.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `focusable`
    ///  Whether this widget itself will accept the input focus.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `halign`
    ///  How to distribute horizontal space if widget gets extra space.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `has-default`
    ///  Whether the widget is the default widget.
    ///
    /// Readable
    ///
    ///
    /// #### `has-focus`
    ///  Whether the widget has the input focus.
    ///
    /// Readable
    ///
    ///
    /// #### `has-tooltip`
    ///  Enables or disables the emission of the [`query-tooltip`][struct@crate::Widget#query-tooltip]
    /// signal on @widget.
    ///
    /// A true value indicates that @widget can have a tooltip, in this case
    /// the widget will be queried using [`query-tooltip`][struct@crate::Widget#query-tooltip] to
    /// determine whether it will provide a tooltip or not.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `height-request`
    ///  Overrides for height request of the widget.
    ///
    /// If this is -1, the natural request will be used.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `hexpand`
    ///  Whether to expand horizontally.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `hexpand-set`
    ///  Whether to use the `hexpand` property.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `layout-manager`
    ///  The [`LayoutManager`][crate::LayoutManager] instance to use to compute
    /// the preferred size of the widget, and allocate its children.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `limit-events`
    ///  Makes this widget act like a modal dialog, with respect to
    /// event delivery.
    ///
    /// Global event controllers will not handle events with targets
    /// inside the widget, unless they are set up to ignore propagation
    /// limits. See [`EventControllerExt::set_propagation_limit()`][crate::prelude::EventControllerExt::set_propagation_limit()].
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `margin-bottom`
    ///  Margin on bottom side of widget.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `margin-end`
    ///  Margin on end of widget, horizontally.
    ///
    /// This property supports left-to-right and right-to-left text
    /// directions.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `margin-start`
    ///  Margin on start of widget, horizontally.
    ///
    /// This property supports left-to-right and right-to-left text
    /// directions.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `margin-top`
    ///  Margin on top side of widget.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `name`
    ///  The name of the widget.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `opacity`
    ///  The requested opacity of the widget.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `overflow`
    ///  How content outside the widget's content area is treated.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `parent`
    ///  The parent widget of this widget.
    ///
    /// Readable
    ///
    ///
    /// #### `receives-default`
    ///  Whether the widget will receive the default action when it is focused.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `root`
    ///  The [`Root`][crate::Root] widget of the widget tree containing this widget.
    ///
    /// This will be `NULL` if the widget is not contained in a root widget.
    ///
    /// Readable
    ///
    ///
    /// #### `scale-factor`
    ///  The scale factor of the widget.
    ///
    /// Readable
    ///
    ///
    /// #### `sensitive`
    ///  Whether the widget responds to input.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `tooltip-markup`
    ///  Sets the text of tooltip to be the given string, which is marked up
    /// with Pango markup.
    ///
    /// Also see [`Tooltip::set_markup()`][crate::Tooltip::set_markup()].
    ///
    /// This is a convenience property which will take care of getting the
    /// tooltip shown if the given string is not `NULL`:
    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
    /// the default signal handler.
    ///
    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `tooltip-text`
    ///  Sets the text of tooltip to be the given string.
    ///
    /// Also see [`Tooltip::set_text()`][crate::Tooltip::set_text()].
    ///
    /// This is a convenience property which will take care of getting the
    /// tooltip shown if the given string is not `NULL`:
    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
    /// the default signal handler.
    ///
    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `valign`
    ///  How to distribute vertical space if widget gets extra space.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `vexpand`
    ///  Whether to expand vertically.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `vexpand-set`
    ///  Whether to use the `vexpand` property.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `visible`
    ///  Whether the widget is visible.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `width-request`
    ///  Overrides for width request of the widget.
    ///
    /// If this is -1, the natural request will be used.
    ///
    /// Readable | Writeable
    /// </details>
    /// <details><summary><h4>Accessible</h4></summary>
    ///
    ///
    /// #### `accessible-role`
    ///  The accessible role of the given [`Accessible`][crate::Accessible] implementation.
    ///
    /// The accessible role cannot be changed once set.
    ///
    /// Readable | Writeable
    /// </details>
    ///
    /// ## Signals
    ///
    ///
    /// #### `save-state`
    ///  The handler for this signal should persist any application-specific
    /// state of @window into @dict.
    ///
    /// Note that window management state such as maximized, fullscreen,
    /// or window size should not be saved as part of this. They are handled
    /// by GTK.
    ///
    /// See [`restore-window`][struct@crate::Application#restore-window].
    ///
    ///
    /// <details><summary><h4>Window</h4></summary>
    ///
    ///
    /// #### `activate-default`
    ///  Emitted when the user activates the default widget.
    ///
    /// This is a [keybinding signal](class.SignalAction.html).
    ///
    /// The keybindings for this signal are all forms of the <kbd>Enter</kbd> key.
    ///
    /// Action
    ///
    ///
    /// #### `activate-focus`
    ///  Emitted when the user activates the currently focused
    /// widget of @window.
    ///
    /// This is a [keybinding signal](class.SignalAction.html).
    ///
    /// The default binding for this signal is <kbd>␣</kbd>.
    ///
    /// Action
    ///
    ///
    /// #### `close-request`
    ///  Emitted when the user clicks on the close button of the window.
    ///
    ///
    ///
    ///
    /// #### `enable-debugging`
    ///  Emitted when the user enables or disables interactive debugging.
    ///
    /// When @toggle is true, interactive debugging is toggled on or off,
    /// when it is false, the debugger will be pointed at the widget
    /// under the pointer.
    ///
    /// This is a [keybinding signal](class.SignalAction.html).
    ///
    /// The default bindings for this signal are
    /// <kbd>Ctrl</kbd>+<kbd>Shift</kbd>+<kbd>I</kbd> and
    /// <kbd>Ctrl</kbd>+<kbd>Shift</kbd>+<kbd>D</kbd>.
    ///
    /// Action
    ///
    ///
    /// #### `force-close`
    ///  Emitted when the compositor has decided to eliminate a window.
    ///
    /// @window *has* to be in a hidden state after this signal was handled.
    ///
    ///
    ///
    ///
    /// #### `keys-changed`
    ///  Emitted when the set of accelerators or mnemonics that
    /// are associated with the window changes.
    ///
    ///
    /// </details>
    /// <details><summary><h4>Widget</h4></summary>
    ///
    ///
    /// #### `destroy`
    ///  Signals that all holders of a reference to the widget should release
    /// the reference that they hold.
    ///
    /// May result in finalization of the widget if all references are released.
    ///
    /// This signal is not suitable for saving widget state.
    ///
    ///
    ///
    ///
    /// #### `direction-changed`
    ///  Emitted when the text direction of a widget changes.
    ///
    ///
    ///
    ///
    /// #### `hide`
    ///  Emitted when @widget is hidden.
    ///
    ///
    ///
    ///
    /// #### `keynav-failed`
    ///  Emitted if keyboard navigation fails.
    ///
    /// See [`WidgetExt::keynav_failed()`][crate::prelude::WidgetExt::keynav_failed()] for details.
    ///
    ///
    ///
    ///
    /// #### `map`
    ///  Emitted when @widget is going to be mapped.
    ///
    /// A widget is mapped when the widget is visible (which is controlled with
    /// [`visible`][struct@crate::Widget#visible]) and all its parents up to the toplevel widget
    /// are also visible.
    ///
    /// The `::map` signal can be used to determine whether a widget will be drawn,
    /// for instance it can resume an animation that was stopped during the
    /// emission of [`unmap`][struct@crate::Widget#unmap].
    ///
    ///
    ///
    ///
    /// #### `mnemonic-activate`
    ///  Emitted when a widget is activated via a mnemonic.
    ///
    /// The default handler for this signal activates @widget if @group_cycling
    /// is false, or just makes @widget grab focus if @group_cycling is true.
    ///
    ///
    ///
    ///
    /// #### `move-focus`
    ///  Emitted when the focus is moved.
    ///
    /// The `::move-focus` signal is a [keybinding signal](class.SignalAction.html).
    ///
    /// The default bindings for this signal are <kbd>Tab</kbd> to move forward,
    /// and <kbd>Shift</kbd>+<kbd>Tab</kbd> to move backward.
    ///
    /// Action
    ///
    ///
    /// #### `query-tooltip`
    ///  Emitted when the widget’s tooltip is about to be shown.
    ///
    /// This happens when the [`has-tooltip`][struct@crate::Widget#has-tooltip] property
    /// is true and the hover timeout has expired with the cursor hovering
    /// above @widget; or emitted when @widget got focus in keyboard mode.
    ///
    /// Using the given coordinates, the signal handler should determine
    /// whether a tooltip should be shown for @widget. If this is the case
    /// true should be returned, false otherwise. Note that if @keyboard_mode
    /// is true, the values of @x and @y are undefined and should not be used.
    ///
    /// The signal handler is free to manipulate @tooltip with the therefore
    /// destined function calls.
    ///
    ///
    ///
    ///
    /// #### `realize`
    ///  Emitted when @widget is associated with a [`gdk::Surface`][crate::gdk::Surface].
    ///
    /// This means that [`WidgetExt::realize()`][crate::prelude::WidgetExt::realize()] has been called
    /// or the widget has been mapped (that is, it is going to be drawn).
    ///
    ///
    ///
    ///
    /// #### `show`
    ///  Emitted when @widget is shown.
    ///
    ///
    ///
    ///
    /// #### `state-flags-changed`
    ///  Emitted when the widget state changes.
    ///
    /// See [`WidgetExt::state_flags()`][crate::prelude::WidgetExt::state_flags()].
    ///
    ///
    ///
    ///
    /// #### `unmap`
    ///  Emitted when @widget is going to be unmapped.
    ///
    /// A widget is unmapped when either it or any of its parents up to the
    /// toplevel widget have been set as hidden.
    ///
    /// As `::unmap` indicates that a widget will not be shown any longer,
    /// it can be used to, for example, stop an animation on the widget.
    ///
    ///
    ///
    ///
    /// #### `unrealize`
    ///  Emitted when the [`gdk::Surface`][crate::gdk::Surface] associated with @widget is destroyed.
    ///
    /// This means that [`WidgetExt::unrealize()`][crate::prelude::WidgetExt::unrealize()] has been called
    /// or the widget has been unmapped (that is, it is going to be hidden).
    ///
    ///
    /// </details>
    /// <details><summary><h4>ActionGroup</h4></summary>
    ///
    ///
    /// #### `action-added`
    ///  Signals that a new action was just added to the group.
    ///
    /// This signal is emitted after the action has been added
    /// and is now visible.
    ///
    /// Detailed
    ///
    ///
    /// #### `action-enabled-changed`
    ///  Signals that the enabled status of the named action has changed.
    ///
    /// Detailed
    ///
    ///
    /// #### `action-removed`
    ///  Signals that an action is just about to be removed from the group.
    ///
    /// This signal is emitted before the action is removed, so the action
    /// is still visible and can be queried from the signal handler.
    ///
    /// Detailed
    ///
    ///
    /// #### `action-state-changed`
    ///  Signals that the state of the named action has changed.
    ///
    /// Detailed
    /// </details>
    ///
    /// # Implements
    ///
    /// [`ApplicationWindowExt`][trait@crate::prelude::ApplicationWindowExt], [`GtkWindowExt`][trait@crate::prelude::GtkWindowExt], [`WidgetExt`][trait@crate::prelude::WidgetExt], [`trait@glib::ObjectExt`], [`AccessibleExt`][trait@crate::prelude::AccessibleExt], [`BuildableExt`][trait@crate::prelude::BuildableExt], [`ConstraintTargetExt`][trait@crate::prelude::ConstraintTargetExt], [`NativeExt`][trait@crate::prelude::NativeExt], [`RootExt`][trait@crate::prelude::RootExt], [`ShortcutManagerExt`][trait@crate::prelude::ShortcutManagerExt], [`trait@gio::prelude::ActionGroupExt`], [`trait@gio::prelude::ActionMapExt`], [`WidgetExtManual`][trait@crate::prelude::WidgetExtManual], [`AccessibleExtManual`][trait@crate::prelude::AccessibleExtManual]
    #[doc(alias = "GtkApplicationWindow")]
    pub struct ApplicationWindow(Object<ffi::GtkApplicationWindow, ffi::GtkApplicationWindowClass>) @extends Window, Widget, @implements Accessible, Buildable, ConstraintTarget, Native, Root, ShortcutManager, gio::ActionGroup, gio::ActionMap;

    match fn {
        type_ => || ffi::gtk_application_window_get_type(),
    }
}

impl ApplicationWindow {
    pub const NONE: Option<&'static ApplicationWindow> = None;

    /// Creates a new [`ApplicationWindow`][crate::ApplicationWindow].
    /// ## `application`
    /// an application
    ///
    /// # Returns
    ///
    /// a newly created [`ApplicationWindow`][crate::ApplicationWindow]
    #[doc(alias = "gtk_application_window_new")]
    pub fn new(application: &impl IsA<Application>) -> ApplicationWindow {
        skip_assert_initialized!();
        unsafe {
            Widget::from_glib_none(ffi::gtk_application_window_new(
                application.as_ref().to_glib_none().0,
            ))
            .unsafe_cast()
        }
    }

    // rustdoc-stripper-ignore-next
    /// Creates a new builder-pattern struct instance to construct [`ApplicationWindow`] objects.
    ///
    /// This method returns an instance of [`ApplicationWindowBuilder`](crate::builders::ApplicationWindowBuilder) which can be used to create [`ApplicationWindow`] objects.
    pub fn builder() -> ApplicationWindowBuilder {
        ApplicationWindowBuilder::new()
    }
}

impl Default for ApplicationWindow {
    fn default() -> Self {
        glib::object::Object::new::<Self>()
    }
}

// rustdoc-stripper-ignore-next
/// A [builder-pattern] type to construct [`ApplicationWindow`] objects.
///
/// [builder-pattern]: https://doc.rust-lang.org/1.0.0/style/ownership/builders.html
#[must_use = "The builder must be built to be used"]
pub struct ApplicationWindowBuilder {
    builder: glib::object::ObjectBuilder<'static, ApplicationWindow>,
}

impl ApplicationWindowBuilder {
    fn new() -> Self {
        Self {
            builder: glib::object::Object::builder(),
        }
    }

    /// If this property is true, the window will display a menubar
    /// unless it is shown by the desktop shell.
    ///
    /// See [`GtkApplicationExt::set_menubar()`][crate::prelude::GtkApplicationExt::set_menubar()].
    ///
    /// If false, the window will not display a menubar, regardless
    /// of whether the desktop shell is showing it or not.
    pub fn show_menubar(self, show_menubar: bool) -> Self {
        Self {
            builder: self.builder.property("show-menubar", show_menubar),
        }
    }

    /// The [`Application`][crate::Application] associated with the window.
    ///
    /// The application will be kept alive for at least as long as it
    /// has any windows associated with it (see g_application_hold()
    /// for a way to keep it alive without windows).
    ///
    /// Normally, the connection between the application and the window
    /// will remain until the window is destroyed, but you can explicitly
    /// remove it by setting the this property to `NULL`.
    pub fn application(self, application: &impl IsA<Application>) -> Self {
        Self {
            builder: self
                .builder
                .property("application", application.clone().upcast()),
        }
    }

    /// The child widget.
    pub fn child(self, child: &impl IsA<Widget>) -> Self {
        Self {
            builder: self.builder.property("child", child.clone().upcast()),
        }
    }

    /// Whether the window should have a frame (also known as *decorations*).
    pub fn decorated(self, decorated: bool) -> Self {
        Self {
            builder: self.builder.property("decorated", decorated),
        }
    }

    /// The default height of the window.
    pub fn default_height(self, default_height: i32) -> Self {
        Self {
            builder: self.builder.property("default-height", default_height),
        }
    }

    /// The default widget.
    pub fn default_widget(self, default_widget: &impl IsA<Widget>) -> Self {
        Self {
            builder: self
                .builder
                .property("default-widget", default_widget.clone().upcast()),
        }
    }

    /// The default width of the window.
    pub fn default_width(self, default_width: i32) -> Self {
        Self {
            builder: self.builder.property("default-width", default_width),
        }
    }

    /// Whether the window frame should have a close button.
    pub fn deletable(self, deletable: bool) -> Self {
        Self {
            builder: self.builder.property("deletable", deletable),
        }
    }

    /// If this window should be destroyed when the parent is destroyed.
    pub fn destroy_with_parent(self, destroy_with_parent: bool) -> Self {
        Self {
            builder: self
                .builder
                .property("destroy-with-parent", destroy_with_parent),
        }
    }

    /// The display that will display this window.
    pub fn display(self, display: &impl IsA<gdk::Display>) -> Self {
        Self {
            builder: self.builder.property("display", display.clone().upcast()),
        }
    }

    /// Whether 'focus rectangles' are currently visible in this window.
    ///
    /// This property is maintained by GTK based on user input
    /// and should not be set by applications.
    pub fn focus_visible(self, focus_visible: bool) -> Self {
        Self {
            builder: self.builder.property("focus-visible", focus_visible),
        }
    }

    /// The focus widget.
    pub fn focus_widget(self, focus_widget: &impl IsA<Widget>) -> Self {
        Self {
            builder: self
                .builder
                .property("focus-widget", focus_widget.clone().upcast()),
        }
    }

    /// Whether the window is fullscreen.
    ///
    /// Setting this property is the equivalent of calling
    /// [`GtkWindowExt::fullscreen()`][crate::prelude::GtkWindowExt::fullscreen()] or [`GtkWindowExt::unfullscreen()`][crate::prelude::GtkWindowExt::unfullscreen()];
    /// either operation is asynchronous, which means you will need to
    /// connect to the ::notify signal in order to know whether the
    /// operation was successful.
    pub fn fullscreened(self, fullscreened: bool) -> Self {
        Self {
            builder: self.builder.property("fullscreened", fullscreened),
        }
    }

    /// The gravity to use when resizing the window programmatically.
    ///
    /// Gravity describes which point of the window we want to keep
    /// fixed (meaning that the window will grow in the opposite direction).
    /// For example, a gravity of `GTK_WINDOW_GRAVITY_TOP_RIGHT` means that we
    /// want the to fix top right corner of the window.
    #[cfg(feature = "v4_20")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v4_20")))]
    pub fn gravity(self, gravity: WindowGravity) -> Self {
        Self {
            builder: self.builder.property("gravity", gravity),
        }
    }

    /// Whether the window frame should handle <kbd>F10</kbd> for activating
    /// menubars.
    #[cfg(feature = "v4_2")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v4_2")))]
    pub fn handle_menubar_accel(self, handle_menubar_accel: bool) -> Self {
        Self {
            builder: self
                .builder
                .property("handle-menubar-accel", handle_menubar_accel),
        }
    }

    /// If this window should be hidden instead of destroyed when the user clicks
    /// the close button.
    pub fn hide_on_close(self, hide_on_close: bool) -> Self {
        Self {
            builder: self.builder.property("hide-on-close", hide_on_close),
        }
    }

    /// Specifies the name of the themed icon to use as the window icon.
    ///
    /// See [`IconTheme`][crate::IconTheme] for more details.
    pub fn icon_name(self, icon_name: impl Into<glib::GString>) -> Self {
        Self {
            builder: self.builder.property("icon-name", icon_name.into()),
        }
    }

    /// Whether the window is maximized.
    ///
    /// Setting this property is the equivalent of calling
    /// [`GtkWindowExt::maximize()`][crate::prelude::GtkWindowExt::maximize()] or [`GtkWindowExt::unmaximize()`][crate::prelude::GtkWindowExt::unmaximize()];
    /// either operation is asynchronous, which means you will need to
    /// connect to the ::notify signal in order to know whether the
    /// operation was successful.
    pub fn maximized(self, maximized: bool) -> Self {
        Self {
            builder: self.builder.property("maximized", maximized),
        }
    }

    /// Whether mnemonics are currently visible in this window.
    ///
    /// This property is maintained by GTK based on user input,
    /// and should not be set by applications.
    pub fn mnemonics_visible(self, mnemonics_visible: bool) -> Self {
        Self {
            builder: self
                .builder
                .property("mnemonics-visible", mnemonics_visible),
        }
    }

    /// If true, the window is modal.
    pub fn modal(self, modal: bool) -> Self {
        Self {
            builder: self.builder.property("modal", modal),
        }
    }

    /// If true, users can resize the window.
    pub fn resizable(self, resizable: bool) -> Self {
        Self {
            builder: self.builder.property("resizable", resizable),
        }
    }

    /// A write-only property for setting window's startup notification identifier.
    pub fn startup_id(self, startup_id: impl Into<glib::GString>) -> Self {
        Self {
            builder: self.builder.property("startup-id", startup_id.into()),
        }
    }

    /// The title of the window.
    pub fn title(self, title: impl Into<glib::GString>) -> Self {
        Self {
            builder: self.builder.property("title", title.into()),
        }
    }

    /// The titlebar widget.
    #[cfg(feature = "v4_6")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v4_6")))]
    pub fn titlebar(self, titlebar: &impl IsA<Widget>) -> Self {
        Self {
            builder: self.builder.property("titlebar", titlebar.clone().upcast()),
        }
    }

    /// The transient parent of the window.
    pub fn transient_for(self, transient_for: &impl IsA<Window>) -> Self {
        Self {
            builder: self
                .builder
                .property("transient-for", transient_for.clone().upcast()),
        }
    }

    /// Whether the widget or any of its descendents can accept
    /// the input focus.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    pub fn can_focus(self, can_focus: bool) -> Self {
        Self {
            builder: self.builder.property("can-focus", can_focus),
        }
    }

    /// Whether the widget can receive pointer events.
    pub fn can_target(self, can_target: bool) -> Self {
        Self {
            builder: self.builder.property("can-target", can_target),
        }
    }

    /// A list of css classes applied to this widget.
    pub fn css_classes(self, css_classes: impl Into<glib::StrV>) -> Self {
        Self {
            builder: self.builder.property("css-classes", css_classes.into()),
        }
    }

    /// The name of this widget in the CSS tree.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    pub fn css_name(self, css_name: impl Into<glib::GString>) -> Self {
        Self {
            builder: self.builder.property("css-name", css_name.into()),
        }
    }

    /// The cursor used by @widget.
    pub fn cursor(self, cursor: &gdk::Cursor) -> Self {
        Self {
            builder: self.builder.property("cursor", cursor.clone()),
        }
    }

    /// Whether the widget should grab focus when it is clicked with the mouse.
    ///
    /// This property is only relevant for widgets that can take focus.
    pub fn focus_on_click(self, focus_on_click: bool) -> Self {
        Self {
            builder: self.builder.property("focus-on-click", focus_on_click),
        }
    }

    /// Whether this widget itself will accept the input focus.
    pub fn focusable(self, focusable: bool) -> Self {
        Self {
            builder: self.builder.property("focusable", focusable),
        }
    }

    /// How to distribute horizontal space if widget gets extra space.
    pub fn halign(self, halign: Align) -> Self {
        Self {
            builder: self.builder.property("halign", halign),
        }
    }

    /// Enables or disables the emission of the [`query-tooltip`][struct@crate::Widget#query-tooltip]
    /// signal on @widget.
    ///
    /// A true value indicates that @widget can have a tooltip, in this case
    /// the widget will be queried using [`query-tooltip`][struct@crate::Widget#query-tooltip] to
    /// determine whether it will provide a tooltip or not.
    pub fn has_tooltip(self, has_tooltip: bool) -> Self {
        Self {
            builder: self.builder.property("has-tooltip", has_tooltip),
        }
    }

    /// Overrides for height request of the widget.
    ///
    /// If this is -1, the natural request will be used.
    pub fn height_request(self, height_request: i32) -> Self {
        Self {
            builder: self.builder.property("height-request", height_request),
        }
    }

    /// Whether to expand horizontally.
    pub fn hexpand(self, hexpand: bool) -> Self {
        Self {
            builder: self.builder.property("hexpand", hexpand),
        }
    }

    /// Whether to use the `hexpand` property.
    pub fn hexpand_set(self, hexpand_set: bool) -> Self {
        Self {
            builder: self.builder.property("hexpand-set", hexpand_set),
        }
    }

    /// The [`LayoutManager`][crate::LayoutManager] instance to use to compute
    /// the preferred size of the widget, and allocate its children.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    pub fn layout_manager(self, layout_manager: &impl IsA<LayoutManager>) -> Self {
        Self {
            builder: self
                .builder
                .property("layout-manager", layout_manager.clone().upcast()),
        }
    }

    /// Makes this widget act like a modal dialog, with respect to
    /// event delivery.
    ///
    /// Global event controllers will not handle events with targets
    /// inside the widget, unless they are set up to ignore propagation
    /// limits. See [`EventControllerExt::set_propagation_limit()`][crate::prelude::EventControllerExt::set_propagation_limit()].
    #[cfg(feature = "v4_18")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v4_18")))]
    pub fn limit_events(self, limit_events: bool) -> Self {
        Self {
            builder: self.builder.property("limit-events", limit_events),
        }
    }

    /// Margin on bottom side of widget.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    pub fn margin_bottom(self, margin_bottom: i32) -> Self {
        Self {
            builder: self.builder.property("margin-bottom", margin_bottom),
        }
    }

    /// Margin on end of widget, horizontally.
    ///
    /// This property supports left-to-right and right-to-left text
    /// directions.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    pub fn margin_end(self, margin_end: i32) -> Self {
        Self {
            builder: self.builder.property("margin-end", margin_end),
        }
    }

    /// Margin on start of widget, horizontally.
    ///
    /// This property supports left-to-right and right-to-left text
    /// directions.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    pub fn margin_start(self, margin_start: i32) -> Self {
        Self {
            builder: self.builder.property("margin-start", margin_start),
        }
    }

    /// Margin on top side of widget.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    pub fn margin_top(self, margin_top: i32) -> Self {
        Self {
            builder: self.builder.property("margin-top", margin_top),
        }
    }

    /// The name of the widget.
    pub fn name(self, name: impl Into<glib::GString>) -> Self {
        Self {
            builder: self.builder.property("name", name.into()),
        }
    }

    /// The requested opacity of the widget.
    pub fn opacity(self, opacity: f64) -> Self {
        Self {
            builder: self.builder.property("opacity", opacity),
        }
    }

    /// How content outside the widget's content area is treated.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    pub fn overflow(self, overflow: Overflow) -> Self {
        Self {
            builder: self.builder.property("overflow", overflow),
        }
    }

    /// Whether the widget will receive the default action when it is focused.
    pub fn receives_default(self, receives_default: bool) -> Self {
        Self {
            builder: self.builder.property("receives-default", receives_default),
        }
    }

    /// Whether the widget responds to input.
    pub fn sensitive(self, sensitive: bool) -> Self {
        Self {
            builder: self.builder.property("sensitive", sensitive),
        }
    }

    /// Sets the text of tooltip to be the given string, which is marked up
    /// with Pango markup.
    ///
    /// Also see [`Tooltip::set_markup()`][crate::Tooltip::set_markup()].
    ///
    /// This is a convenience property which will take care of getting the
    /// tooltip shown if the given string is not `NULL`:
    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
    /// the default signal handler.
    ///
    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
    pub fn tooltip_markup(self, tooltip_markup: impl Into<glib::GString>) -> Self {
        Self {
            builder: self
                .builder
                .property("tooltip-markup", tooltip_markup.into()),
        }
    }

    /// Sets the text of tooltip to be the given string.
    ///
    /// Also see [`Tooltip::set_text()`][crate::Tooltip::set_text()].
    ///
    /// This is a convenience property which will take care of getting the
    /// tooltip shown if the given string is not `NULL`:
    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
    /// the default signal handler.
    ///
    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
    pub fn tooltip_text(self, tooltip_text: impl Into<glib::GString>) -> Self {
        Self {
            builder: self.builder.property("tooltip-text", tooltip_text.into()),
        }
    }

    /// How to distribute vertical space if widget gets extra space.
    pub fn valign(self, valign: Align) -> Self {
        Self {
            builder: self.builder.property("valign", valign),
        }
    }

    /// Whether to expand vertically.
    pub fn vexpand(self, vexpand: bool) -> Self {
        Self {
            builder: self.builder.property("vexpand", vexpand),
        }
    }

    /// Whether to use the `vexpand` property.
    pub fn vexpand_set(self, vexpand_set: bool) -> Self {
        Self {
            builder: self.builder.property("vexpand-set", vexpand_set),
        }
    }

    /// Whether the widget is visible.
    pub fn visible(self, visible: bool) -> Self {
        Self {
            builder: self.builder.property("visible", visible),
        }
    }

    /// Overrides for width request of the widget.
    ///
    /// If this is -1, the natural request will be used.
    pub fn width_request(self, width_request: i32) -> Self {
        Self {
            builder: self.builder.property("width-request", width_request),
        }
    }

    /// The accessible role of the given [`Accessible`][crate::Accessible] implementation.
    ///
    /// The accessible role cannot be changed once set.
    pub fn accessible_role(self, accessible_role: AccessibleRole) -> Self {
        Self {
            builder: self.builder.property("accessible-role", accessible_role),
        }
    }

    // rustdoc-stripper-ignore-next
    /// Build the [`ApplicationWindow`].
    #[must_use = "Building the object from the builder is usually expensive and is not expected to have side effects"]
    pub fn build(self) -> ApplicationWindow {
        assert_initialized_main_thread!();
        self.builder.build()
    }
}

/// Trait containing all [`struct@ApplicationWindow`] methods.
///
/// # Implementors
///
/// [`ApplicationWindow`][struct@crate::ApplicationWindow]
pub trait ApplicationWindowExt: IsA<ApplicationWindow> + 'static {
    /// Gets the [`ShortcutsWindow`][crate::ShortcutsWindow] that is associated with @self.
    ///
    /// See [`set_help_overlay()`][Self::set_help_overlay()].
    ///
    /// # Deprecated since 4.18
    ///
    /// [`ShortcutsWindow`][crate::ShortcutsWindow] will be removed in GTK 5
    ///
    /// # Returns
    ///
    /// the help overlay associated
    ///   with the window
    #[cfg_attr(feature = "v4_18", deprecated = "Since 4.18")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_application_window_get_help_overlay")]
    #[doc(alias = "get_help_overlay")]
    fn help_overlay(&self) -> Option<ShortcutsWindow> {
        unsafe {
            from_glib_none(ffi::gtk_application_window_get_help_overlay(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Returns the unique ID of the window.
    ///
    ///  If the window has not yet been added to a [`Application`][crate::Application], returns `0`.
    ///
    /// # Returns
    ///
    /// the unique ID for the window, or `0` if the window
    ///   has not yet been added to an application
    #[doc(alias = "gtk_application_window_get_id")]
    #[doc(alias = "get_id")]
    fn id(&self) -> u32 {
        unsafe { ffi::gtk_application_window_get_id(self.as_ref().to_glib_none().0) }
    }

    /// Returns whether the window will display a menubar for the app menu
    /// and menubar as needed.
    ///
    /// # Returns
    ///
    /// True if the window will display a menubar when needed
    #[doc(alias = "gtk_application_window_get_show_menubar")]
    #[doc(alias = "get_show_menubar")]
    #[doc(alias = "show-menubar")]
    fn shows_menubar(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_application_window_get_show_menubar(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Associates a shortcuts window with the application window.
    ///
    /// Additionally, sets up an action with the name
    /// `win.show-help-overlay` to present it.
    ///
    /// The window takes responsibility for destroying the help overlay.
    ///
    /// # Deprecated since 4.18
    ///
    /// [`ShortcutsWindow`][crate::ShortcutsWindow] will be removed in GTK 5
    /// ## `help_overlay`
    /// a shortcuts window
    #[cfg_attr(feature = "v4_18", deprecated = "Since 4.18")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_application_window_set_help_overlay")]
    fn set_help_overlay(&self, help_overlay: Option<&ShortcutsWindow>) {
        unsafe {
            ffi::gtk_application_window_set_help_overlay(
                self.as_ref().to_glib_none().0,
                help_overlay.to_glib_none().0,
            );
        }
    }

    /// Sets whether the window will display a menubar for the app menu
    /// and menubar as needed.
    /// ## `show_menubar`
    /// whether to show a menubar when needed
    #[doc(alias = "gtk_application_window_set_show_menubar")]
    #[doc(alias = "show-menubar")]
    fn set_show_menubar(&self, show_menubar: bool) {
        unsafe {
            ffi::gtk_application_window_set_show_menubar(
                self.as_ref().to_glib_none().0,
                show_menubar.into_glib(),
            );
        }
    }

    /// The handler for this signal should persist any application-specific
    /// state of @window into @dict.
    ///
    /// Note that window management state such as maximized, fullscreen,
    /// or window size should not be saved as part of this. They are handled
    /// by GTK.
    ///
    /// See [`restore-window`][struct@crate::Application#restore-window].
    /// ## `dict`
    /// a dictionary to populate with application window state
    ///
    /// # Returns
    ///
    /// true to stop stop further handlers from running
    #[cfg(feature = "v4_24")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v4_24")))]
    #[doc(alias = "save-state")]
    fn connect_save_state<F: Fn(&Self, &glib::VariantDict) -> bool + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn save_state_trampoline<
            P: IsA<ApplicationWindow>,
            F: Fn(&P, &glib::VariantDict) -> bool + 'static,
        >(
            this: *mut ffi::GtkApplicationWindow,
            dict: *mut glib::ffi::GVariantDict,
            f: glib::ffi::gpointer,
        ) -> glib::ffi::gboolean {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    ApplicationWindow::from_glib_borrow(this).unsafe_cast_ref(),
                    &from_glib_borrow(dict),
                )
                .into_glib()
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"save-state".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    save_state_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "show-menubar")]
    fn connect_show_menubar_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_show_menubar_trampoline<
            P: IsA<ApplicationWindow>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::GtkApplicationWindow,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(ApplicationWindow::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::show-menubar".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_show_menubar_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

impl<O: IsA<ApplicationWindow>> ApplicationWindowExt for O {}