gtk4/auto/

app_chooser_button.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)]

use crate::{
    Accessible, AccessibleRole, Align, AppChooser, Buildable, ConstraintTarget, LayoutManager,
    Overflow, Widget, ffi,
};
use glib::{
    object::ObjectType as _,
    prelude::*,
    signal::{SignalHandlerId, connect_raw},
    translate::*,
};
use std::boxed::Box as Box_;

glib::wrapper! {
    /// The application selection widgets should be
    ///   implemented according to the design of each platform and/or
    ///   application requiring them.
    /// The [`AppChooserButton`][crate::AppChooserButton] lets the user select an application.
    ///
    /// <picture>
    ///   <source srcset="appchooserbutton-dark.png" media="(prefers-color-scheme: dark)">
    ///   <img alt="An example GtkAppChooserButton" src="appchooserbutton.png">
    /// </picture>
    ///
    /// Initially, a [`AppChooserButton`][crate::AppChooserButton] selects the first application
    /// in its list, which will either be the most-recently used application
    /// or, if [`show-default-item`][struct@crate::AppChooserButton#show-default-item] is [`true`], the
    /// default application.
    ///
    /// The list of applications shown in a [`AppChooserButton`][crate::AppChooserButton] includes
    /// the recommended applications for the given content type. When
    /// [`show-default-item`][struct@crate::AppChooserButton#show-default-item] is set, the default
    /// application is also included. To let the user chooser other applications,
    /// you can set the [`show-dialog-item`][struct@crate::AppChooserButton#show-dialog-item] property,
    /// which allows to open a full [`AppChooserDialog`][crate::AppChooserDialog].
    ///
    /// It is possible to add custom items to the list, using
    /// [`append_custom_item()`][Self::append_custom_item()]. These items cause
    /// the [`custom-item-activated`][struct@crate::AppChooserButton#custom-item-activated] signal to be
    /// emitted when they are selected.
    ///
    /// To track changes in the selected application, use the
    /// [`changed`][struct@crate::AppChooserButton#changed] signal.
    ///
    /// ## CSS nodes
    ///
    /// [`AppChooserButton`][crate::AppChooserButton] has a single CSS node with the name “appchooserbutton”.
    ///
    /// ## Properties
    ///
    ///
    /// #### `heading`
    ///  The text to show at the top of the dialog that can be
    /// opened from the button.
    ///
    /// The string may contain Pango markup.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `modal`
    ///  Whether the app chooser dialog should be modal.
    ///
    /// Readable | Writeable | Construct
    ///
    ///
    /// #### `show-default-item`
    ///  Determines whether the dropdown menu shows the default application
    /// on top for the provided content type.
    ///
    /// Readable | Writeable | Construct
    ///
    ///
    /// #### `show-dialog-item`
    ///  Determines whether the dropdown menu shows an item to open
    /// a [`AppChooserDialog`][crate::AppChooserDialog].
    ///
    /// Readable | Writeable | Construct
    /// <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>
    /// <details><summary><h4>AppChooser</h4></summary>
    ///
    ///
    /// #### `content-type`
    ///  The content type of the [`AppChooser`][crate::AppChooser] object.
    ///
    /// See `GContentType` for more information about content types.
    ///
    /// Readable | Writeable | Construct Only
    /// </details>
    ///
    /// ## Signals
    ///
    ///
    /// #### `activate`
    ///  Emitted to when the button is activated.
    ///
    /// The `::activate` signal on [`AppChooserButton`][crate::AppChooserButton] is an action signal and
    /// emitting it causes the button to pop up its dialog.
    ///
    /// Action
    ///
    ///
    /// #### `changed`
    ///  Emitted when the active application changes.
    ///
    ///
    ///
    ///
    /// #### `custom-item-activated`
    ///  Emitted when a custom item is activated.
    ///
    /// Use [`AppChooserButton::append_custom_item()`][crate::AppChooserButton::append_custom_item()],
    /// to add custom items.
    ///
    /// Detailed
    /// <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>
    ///
    /// # Implements
    ///
    /// [`WidgetExt`][trait@crate::prelude::WidgetExt], [`trait@glib::ObjectExt`], [`AccessibleExt`][trait@crate::prelude::AccessibleExt], [`BuildableExt`][trait@crate::prelude::BuildableExt], [`ConstraintTargetExt`][trait@crate::prelude::ConstraintTargetExt], [`AppChooserExt`][trait@crate::prelude::AppChooserExt], [`WidgetExtManual`][trait@crate::prelude::WidgetExtManual], [`AccessibleExtManual`][trait@crate::prelude::AccessibleExtManual]
    #[doc(alias = "GtkAppChooserButton")]
    pub struct AppChooserButton(Object<ffi::GtkAppChooserButton>) @extends Widget, @implements Accessible, Buildable, ConstraintTarget, AppChooser;

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

impl AppChooserButton {
    /// Creates a new [`AppChooserButton`][crate::AppChooserButton] for applications
    /// that can handle content of the given type.
    ///
    /// # Deprecated since 4.10
    ///
    /// This widget will be removed in GTK 5
    /// ## `content_type`
    /// the content type to show applications for
    ///
    /// # Returns
    ///
    /// a newly created [`AppChooserButton`][crate::AppChooserButton]
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_app_chooser_button_new")]
    pub fn new(content_type: &str) -> AppChooserButton {
        assert_initialized_main_thread!();
        unsafe {
            Widget::from_glib_none(ffi::gtk_app_chooser_button_new(
                content_type.to_glib_none().0,
            ))
            .unsafe_cast()
        }
    }

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

    /// Appends a custom item to the list of applications that is shown
    /// in the popup.
    ///
    /// The item name must be unique per-widget. Clients can use the
    /// provided name as a detail for the
    /// [`custom-item-activated`][struct@crate::AppChooserButton#custom-item-activated] signal, to add a
    /// callback for the activation of a particular custom item in the list.
    ///
    /// See also [`append_separator()`][Self::append_separator()].
    ///
    /// # Deprecated since 4.10
    ///
    /// This widget will be removed in GTK 5
    /// ## `name`
    /// the name of the custom item
    /// ## `label`
    /// the label for the custom item
    /// ## `icon`
    /// the icon for the custom item
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_app_chooser_button_append_custom_item")]
    pub fn append_custom_item(&self, name: &str, label: &str, icon: &impl IsA<gio::Icon>) {
        unsafe {
            ffi::gtk_app_chooser_button_append_custom_item(
                self.to_glib_none().0,
                name.to_glib_none().0,
                label.to_glib_none().0,
                icon.as_ref().to_glib_none().0,
            );
        }
    }

    /// Appends a separator to the list of applications that is shown
    /// in the popup.
    ///
    /// # Deprecated since 4.10
    ///
    /// This widget will be removed in GTK 5
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_app_chooser_button_append_separator")]
    pub fn append_separator(&self) {
        unsafe {
            ffi::gtk_app_chooser_button_append_separator(self.to_glib_none().0);
        }
    }

    /// Returns the text to display at the top of the dialog.
    ///
    /// # Deprecated since 4.10
    ///
    /// This widget will be removed in GTK 5
    ///
    /// # Returns
    ///
    /// the text to display at the top of the dialog,
    ///   or [`None`], in which case a default text is displayed
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_app_chooser_button_get_heading")]
    #[doc(alias = "get_heading")]
    pub fn heading(&self) -> Option<glib::GString> {
        unsafe {
            from_glib_none(ffi::gtk_app_chooser_button_get_heading(
                self.to_glib_none().0,
            ))
        }
    }

    /// Gets whether the dialog is modal.
    ///
    /// # Deprecated since 4.10
    ///
    /// This widget will be removed in GTK 5
    ///
    /// # Returns
    ///
    /// [`true`] if the dialog is modal
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_app_chooser_button_get_modal")]
    #[doc(alias = "get_modal")]
    #[doc(alias = "modal")]
    pub fn is_modal(&self) -> bool {
        unsafe { from_glib(ffi::gtk_app_chooser_button_get_modal(self.to_glib_none().0)) }
    }

    /// Returns whether the dropdown menu should show the default
    /// application at the top.
    ///
    /// # Deprecated since 4.10
    ///
    /// This widget will be removed in GTK 5
    ///
    /// # Returns
    ///
    /// the value of [`show-default-item`][struct@crate::AppChooserButton#show-default-item]
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_app_chooser_button_get_show_default_item")]
    #[doc(alias = "get_show_default_item")]
    #[doc(alias = "show-default-item")]
    pub fn shows_default_item(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_app_chooser_button_get_show_default_item(
                self.to_glib_none().0,
            ))
        }
    }

    /// Returns whether the dropdown menu shows an item
    /// for a [`AppChooserDialog`][crate::AppChooserDialog].
    ///
    /// # Deprecated since 4.10
    ///
    /// This widget will be removed in GTK 5
    ///
    /// # Returns
    ///
    /// the value of [`show-dialog-item`][struct@crate::AppChooserButton#show-dialog-item]
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_app_chooser_button_get_show_dialog_item")]
    #[doc(alias = "get_show_dialog_item")]
    #[doc(alias = "show-dialog-item")]
    pub fn shows_dialog_item(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_app_chooser_button_get_show_dialog_item(
                self.to_glib_none().0,
            ))
        }
    }

    /// Selects a custom item.
    ///
    /// See [`append_custom_item()`][Self::append_custom_item()].
    ///
    /// Use [`AppChooserExt::refresh()`][crate::prelude::AppChooserExt::refresh()] to bring the selection
    /// to its initial state.
    ///
    /// # Deprecated since 4.10
    ///
    /// This widget will be removed in GTK 5
    /// ## `name`
    /// the name of the custom item
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_app_chooser_button_set_active_custom_item")]
    pub fn set_active_custom_item(&self, name: &str) {
        unsafe {
            ffi::gtk_app_chooser_button_set_active_custom_item(
                self.to_glib_none().0,
                name.to_glib_none().0,
            );
        }
    }

    /// Sets the text to display at the top of the dialog.
    ///
    /// If the heading is not set, the dialog displays a default text.
    ///
    /// # Deprecated since 4.10
    ///
    /// This widget will be removed in GTK 5
    /// ## `heading`
    /// a string containing Pango markup
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_app_chooser_button_set_heading")]
    #[doc(alias = "heading")]
    pub fn set_heading(&self, heading: &str) {
        unsafe {
            ffi::gtk_app_chooser_button_set_heading(
                self.to_glib_none().0,
                heading.to_glib_none().0,
            );
        }
    }

    /// Sets whether the dialog should be modal.
    ///
    /// # Deprecated since 4.10
    ///
    /// This widget will be removed in GTK 5
    /// ## `modal`
    /// [`true`] to make the dialog modal
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_app_chooser_button_set_modal")]
    #[doc(alias = "modal")]
    pub fn set_modal(&self, modal: bool) {
        unsafe {
            ffi::gtk_app_chooser_button_set_modal(self.to_glib_none().0, modal.into_glib());
        }
    }

    /// Sets whether the dropdown menu of this button should show the
    /// default application for the given content type at top.
    ///
    /// # Deprecated since 4.10
    ///
    /// This widget will be removed in GTK 5
    /// ## `setting`
    /// the new value for [`show-default-item`][struct@crate::AppChooserButton#show-default-item]
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_app_chooser_button_set_show_default_item")]
    #[doc(alias = "show-default-item")]
    pub fn set_show_default_item(&self, setting: bool) {
        unsafe {
            ffi::gtk_app_chooser_button_set_show_default_item(
                self.to_glib_none().0,
                setting.into_glib(),
            );
        }
    }

    /// Sets whether the dropdown menu of this button should show an
    /// entry to trigger a [`AppChooserDialog`][crate::AppChooserDialog].
    ///
    /// # Deprecated since 4.10
    ///
    /// This widget will be removed in GTK 5
    /// ## `setting`
    /// the new value for [`show-dialog-item`][struct@crate::AppChooserButton#show-dialog-item]
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_app_chooser_button_set_show_dialog_item")]
    #[doc(alias = "show-dialog-item")]
    pub fn set_show_dialog_item(&self, setting: bool) {
        unsafe {
            ffi::gtk_app_chooser_button_set_show_dialog_item(
                self.to_glib_none().0,
                setting.into_glib(),
            );
        }
    }

    /// Emitted to when the button is activated.
    ///
    /// The `::activate` signal on [`AppChooserButton`][crate::AppChooserButton] is an action signal and
    /// emitting it causes the button to pop up its dialog.
    #[cfg(feature = "v4_4")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v4_4")))]
    #[doc(alias = "activate")]
    pub fn connect_activate<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn activate_trampoline<F: Fn(&AppChooserButton) + 'static>(
            this: *mut ffi::GtkAppChooserButton,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(&from_glib_borrow(this))
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"activate".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    activate_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[cfg(feature = "v4_4")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v4_4")))]
    pub fn emit_activate(&self) {
        self.emit_by_name::<()>("activate", &[]);
    }

    /// Emitted when the active application changes.
    #[doc(alias = "changed")]
    pub fn connect_changed<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn changed_trampoline<F: Fn(&AppChooserButton) + 'static>(
            this: *mut ffi::GtkAppChooserButton,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(&from_glib_borrow(this))
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"changed".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    changed_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    /// Emitted when a custom item is activated.
    ///
    /// Use [`append_custom_item()`][Self::append_custom_item()],
    /// to add custom items.
    /// ## `item_name`
    /// the name of the activated item
    #[doc(alias = "custom-item-activated")]
    pub fn connect_custom_item_activated<F: Fn(&Self, &str) + 'static>(
        &self,
        detail: Option<&str>,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn custom_item_activated_trampoline<
            F: Fn(&AppChooserButton, &str) + 'static,
        >(
            this: *mut ffi::GtkAppChooserButton,
            item_name: *mut std::ffi::c_char,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    &from_glib_borrow(this),
                    &glib::GString::from_glib_borrow(item_name),
                )
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            let detailed_signal_name =
                detail.map(|name| format!("custom-item-activated::{name}\0"));
            let signal_name = detailed_signal_name
                .as_ref()
                .map_or(c"custom-item-activated", |n| {
                    std::ffi::CStr::from_bytes_with_nul_unchecked(n.as_bytes())
                });
            connect_raw(
                self.as_ptr() as *mut _,
                signal_name.as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    custom_item_activated_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "heading")]
    pub fn connect_heading_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_heading_trampoline<F: Fn(&AppChooserButton) + 'static>(
            this: *mut ffi::GtkAppChooserButton,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(&from_glib_borrow(this))
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::heading".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_heading_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "modal")]
    pub fn connect_modal_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_modal_trampoline<F: Fn(&AppChooserButton) + 'static>(
            this: *mut ffi::GtkAppChooserButton,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(&from_glib_borrow(this))
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::modal".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_modal_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "show-default-item")]
    pub fn connect_show_default_item_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_show_default_item_trampoline<
            F: Fn(&AppChooserButton) + 'static,
        >(
            this: *mut ffi::GtkAppChooserButton,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(&from_glib_borrow(this))
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::show-default-item".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_show_default_item_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "show-dialog-item")]
    pub fn connect_show_dialog_item_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_show_dialog_item_trampoline<
            F: Fn(&AppChooserButton) + 'static,
        >(
            this: *mut ffi::GtkAppChooserButton,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(&from_glib_borrow(this))
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::show-dialog-item".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_show_dialog_item_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

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

// rustdoc-stripper-ignore-next
/// A [builder-pattern] type to construct [`AppChooserButton`] 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 AppChooserButtonBuilder {
    builder: glib::object::ObjectBuilder<'static, AppChooserButton>,
}

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

    /// The text to show at the top of the dialog that can be
    /// opened from the button.
    ///
    /// The string may contain Pango markup.
    pub fn heading(self, heading: impl Into<glib::GString>) -> Self {
        Self {
            builder: self.builder.property("heading", heading.into()),
        }
    }

    /// Whether the app chooser dialog should be modal.
    pub fn modal(self, modal: bool) -> Self {
        Self {
            builder: self.builder.property("modal", modal),
        }
    }

    /// Determines whether the dropdown menu shows the default application
    /// on top for the provided content type.
    pub fn show_default_item(self, show_default_item: bool) -> Self {
        Self {
            builder: self
                .builder
                .property("show-default-item", show_default_item),
        }
    }

    /// Determines whether the dropdown menu shows an item to open
    /// a [`AppChooserDialog`][crate::AppChooserDialog].
    pub fn show_dialog_item(self, show_dialog_item: bool) -> Self {
        Self {
            builder: self.builder.property("show-dialog-item", show_dialog_item),
        }
    }

    /// 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),
        }
    }

    /// The content type of the [`AppChooser`][crate::AppChooser] object.
    ///
    /// See `GContentType` for more information about content types.
    pub fn content_type(self, content_type: impl Into<glib::GString>) -> Self {
        Self {
            builder: self.builder.property("content-type", content_type.into()),
        }
    }

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