gtk4/auto/

combo_box.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_10")]
#[cfg_attr(docsrs, doc(cfg(feature = "v4_10")))]
use crate::Accessible;
use crate::{
    AccessibleRole, Align, Buildable, CellEditable, CellLayout, ConstraintTarget, LayoutManager,
    Overflow, ScrollType, SensitivityType, TreeIter, TreeModel, Widget, ffi,
};
use glib::{
    object::ObjectType as _,
    prelude::*,
    signal::{SignalHandlerId, connect_raw},
    translate::*,
};
use std::boxed::Box as Box_;

#[cfg(feature = "v4_10")]
#[cfg_attr(docsrs, doc(cfg(feature = "v4_10")))]
glib::wrapper! {
    /// Use [`DropDown`][crate::DropDown] instead
    ///  window.popup
    /// ```text
    ///
    /// A [`ComboBox`][crate::ComboBox] with an entry has a single CSS node with name combobox.
    /// It contains a box with the .linked class. That box contains an entry and
    /// a button, both with the .combo class added. The button also contains another
    /// node with name arrow.
    ///
    /// ## Accessibility
    ///
    /// [`ComboBox`][crate::ComboBox] uses the [enum@Gtk.AccessibleRole.combo_box] role.
    ///
    /// ## Properties
    ///
    ///
    /// #### `active`
    ///  The item which is currently active.
    ///
    /// If the model is a non-flat treemodel, and the active item is not an
    /// immediate child of the root of the tree, this property has the value
    /// `gtk_tree_path_get_indices (path)[0]`, where `path` is the
    /// [`TreePath`][crate::TreePath] of the active item.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `active-id`
    ///  The value of the ID column of the active row.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `button-sensitivity`
    ///  Whether the dropdown button is sensitive when
    /// the model is empty.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `child`
    ///  The child widget.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `entry-text-column`
    ///  The model column to associate with strings from the entry.
    ///
    /// This is property only relevant if the combo was created with
    /// [`has-entry`][struct@crate::ComboBox#has-entry] is [`true`].
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `has-entry`
    ///  Whether the combo box has an entry.
    ///
    /// Readable | Writable | Construct Only
    ///
    ///
    /// #### `has-frame`
    ///  The `has-frame` property controls whether a frame is drawn around the entry.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `id-column`
    ///  The model column that provides string IDs for the values
    /// in the model, if != -1.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `model`
    ///  The model from which the combo box takes its values.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `popup-fixed-width`
    ///  Whether the popup's width should be a fixed width matching the
    /// allocated width of the combo box.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `popup-shown`
    ///  Whether the combo boxes dropdown is popped up.
    ///
    /// Note that this property is mainly useful, because
    /// it allows you to connect to notify::popup-shown.
    ///
    /// Readable
    /// <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 | Writable
    ///
    ///
    /// #### `can-target`
    ///  Whether the widget can receive pointer events.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `css-classes`
    ///  A list of css classes applied to this widget.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `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 | Writable | Construct Only
    ///
    ///
    /// #### `cursor`
    ///  The cursor used by @widget.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `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 | Writable
    ///
    ///
    /// #### `focusable`
    ///  Whether this widget itself will accept the input focus.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `halign`
    ///  How to distribute horizontal space if widget gets extra space.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `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 | Writable
    ///
    ///
    /// #### `height-request`
    ///  Overrides for height request of the widget.
    ///
    /// If this is -1, the natural request will be used.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `hexpand`
    ///  Whether to expand horizontally.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `hexpand-set`
    ///  Whether to use the `hexpand` property.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `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 | Writable
    ///
    ///
    /// #### `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 | Writable
    ///
    ///
    /// #### `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 | Writable
    ///
    ///
    /// #### `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 | Writable
    ///
    ///
    /// #### `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 | Writable
    ///
    ///
    /// #### `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 | Writable
    ///
    ///
    /// #### `name`
    ///  The name of the widget.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `opacity`
    ///  The requested opacity of the widget.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `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 | Writable
    ///
    ///
    /// #### `parent`
    ///  The parent widget of this widget.
    ///
    /// Readable
    ///
    ///
    /// #### `receives-default`
    ///  Whether the widget will receive the default action when it is focused.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `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 | Writable
    ///
    ///
    /// #### `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 | Writable
    ///
    ///
    /// #### `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 | Writable
    ///
    ///
    /// #### `valign`
    ///  How to distribute vertical space if widget gets extra space.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `vexpand`
    ///  Whether to expand vertically.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `vexpand-set`
    ///  Whether to use the `vexpand` property.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `visible`
    ///  Whether the widget is visible.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `width-request`
    ///  Overrides for width request of the widget.
    ///
    /// If this is -1, the natural request will be used.
    ///
    /// Readable | Writable
    /// </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 | Writable
    /// </details>
    /// <details><summary><h4>CellEditable</h4></summary>
    ///
    ///
    /// #### `editing-canceled`
    ///  Indicates whether editing on the cell has been canceled.
    ///
    /// Readable | Writable
    /// </details>
    ///
    /// ## Signals
    ///
    ///
    /// #### `activate`
    ///  Emitted to when the combo box is activated.
    ///
    /// The `::activate` signal on [`ComboBox`][crate::ComboBox] is an action signal and
    /// emitting it causes the combo box to pop up its dropdown.
    ///
    /// Action
    ///
    ///
    /// #### `changed`
    ///  Emitted when the active item is changed.
    ///
    /// The can be due to the user selecting a different item from the list,
    /// or due to a call to [`ComboBoxExt::set_active_iter()`][crate::prelude::ComboBoxExt::set_active_iter()]. It will
    /// also be emitted while typing into the entry of a combo box with an entry.
    ///
    ///
    ///
    ///
    /// #### `format-entry-text`
    ///  value,
    ///                       -1);
    ///
    ///   return g_strdup_printf ("`g`", value);
    /// }
    /// ```text
    ///
    ///
    ///
    ///
    ///
    /// #### `move-active`
    ///  Emitted to move the active selection.
    ///
    /// This is an [keybinding signal](class.SignalAction.html).
    ///
    /// Action
    ///
    ///
    /// #### `popdown`
    ///  Emitted to popdown the combo box list.
    ///
    /// This is an [keybinding signal](class.SignalAction.html).
    ///
    /// The default bindings for this signal are Alt+Up and Escape.
    ///
    /// Action
    ///
    ///
    /// #### `popup`
    ///  Emitted to popup the combo box list.
    ///
    /// This is an [keybinding signal](class.SignalAction.html).
    ///
    /// The default binding for this signal is Alt+Down.
    ///
    /// Action
    /// <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`
    ///   to move backward.
    ///
    /// Action
    ///
    ///
    /// #### `query-tooltip`
    ///  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>CellEditable</h4></summary>
    ///
    ///
    /// #### `editing-done`
    ///  This signal is a sign for the cell renderer to update its
    /// value from the @cell_editable.
    ///
    /// Implementations of [`CellEditable`][crate::CellEditable] are responsible for
    /// emitting this signal when they are done editing, e.g.
    /// [`Entry`][crate::Entry] emits this signal when the user presses Enter. Typical things to
    /// do in a handler for ::editing-done are to capture the edited value,
    /// disconnect the @cell_editable from signals on the [`CellRenderer`][crate::CellRenderer], etc.
    ///
    /// gtk_cell_editable_editing_done() is a convenience method
    /// for emitting `GtkCellEditable::editing-done`.
    ///
    ///
    ///
    ///
    /// #### `remove-widget`
    ///  This signal is meant to indicate that the cell is finished
    /// editing, and the @cell_editable widget is being removed and may
    /// subsequently be destroyed.
    ///
    /// Implementations of [`CellEditable`][crate::CellEditable] are responsible for
    /// emitting this signal when they are done editing. It must
    /// be emitted after the `GtkCellEditable::editing-done` signal,
    /// to give the cell renderer a chance to update the cell's value
    /// before the widget is removed.
    ///
    /// gtk_cell_editable_remove_widget() is a convenience method
    /// for emitting `GtkCellEditable::remove-widget`.
    ///
    ///
    /// </details>
    ///
    /// # Implements
    ///
    /// [`ComboBoxExt`][trait@crate::prelude::ComboBoxExt], [`WidgetExt`][trait@crate::prelude::WidgetExt], [`trait@glib::ObjectExt`], [`AccessibleExt`][trait@crate::prelude::AccessibleExt], [`BuildableExt`][trait@crate::prelude::BuildableExt], [`ConstraintTargetExt`][trait@crate::prelude::ConstraintTargetExt], [`CellEditableExt`][trait@crate::prelude::CellEditableExt], [`CellLayoutExt`][trait@crate::prelude::CellLayoutExt], [`ComboBoxExtManual`][trait@crate::prelude::ComboBoxExtManual], [`WidgetExtManual`][trait@crate::prelude::WidgetExtManual], [`AccessibleExtManual`][trait@crate::prelude::AccessibleExtManual], [`CellLayoutExtManual`][trait@crate::prelude::CellLayoutExtManual]
    #[doc(alias = "GtkComboBox")]
    pub struct ComboBox(Object<ffi::GtkComboBox, ffi::GtkComboBoxClass>) @extends Widget, @implements Accessible, Buildable, ConstraintTarget, CellEditable, CellLayout;

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

#[cfg(not(feature = "v4_10"))]
glib::wrapper! {
    #[doc(alias = "GtkComboBox")]
    pub struct ComboBox(Object<ffi::GtkComboBox, ffi::GtkComboBoxClass>) @extends Widget, @implements Buildable, ConstraintTarget, CellEditable, CellLayout;

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

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

    /// Creates a new empty [`ComboBox`][crate::ComboBox].
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    ///
    /// # Returns
    ///
    /// A new [`ComboBox`][crate::ComboBox]
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_new")]
    pub fn new() -> ComboBox {
        assert_initialized_main_thread!();
        unsafe { Widget::from_glib_none(ffi::gtk_combo_box_new()).unsafe_cast() }
    }

    /// Creates a new empty [`ComboBox`][crate::ComboBox] with an entry.
    ///
    /// In order to use a combo box with entry, you need to tell it
    /// which column of the model contains the text for the entry
    /// by calling [`ComboBoxExt::set_entry_text_column()`][crate::prelude::ComboBoxExt::set_entry_text_column()].
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    ///
    /// # Returns
    ///
    /// A new [`ComboBox`][crate::ComboBox]
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_new_with_entry")]
    #[doc(alias = "new_with_entry")]
    pub fn with_entry() -> ComboBox {
        assert_initialized_main_thread!();
        unsafe { Widget::from_glib_none(ffi::gtk_combo_box_new_with_entry()).unsafe_cast() }
    }

    /// Creates a new [`ComboBox`][crate::ComboBox] with a model.
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    /// ## `model`
    /// a [`TreeModel`][crate::TreeModel]
    ///
    /// # Returns
    ///
    /// A new [`ComboBox`][crate::ComboBox]
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_new_with_model")]
    #[doc(alias = "new_with_model")]
    pub fn with_model(model: &impl IsA<TreeModel>) -> ComboBox {
        skip_assert_initialized!();
        unsafe {
            Widget::from_glib_none(ffi::gtk_combo_box_new_with_model(
                model.as_ref().to_glib_none().0,
            ))
            .unsafe_cast()
        }
    }

    /// Creates a new empty [`ComboBox`][crate::ComboBox] with an entry and a model.
    ///
    /// See also [`with_entry()`][Self::with_entry()].
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    /// ## `model`
    /// A [`TreeModel`][crate::TreeModel]
    ///
    /// # Returns
    ///
    /// A new [`ComboBox`][crate::ComboBox]
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_new_with_model_and_entry")]
    #[doc(alias = "new_with_model_and_entry")]
    pub fn with_model_and_entry(model: &impl IsA<TreeModel>) -> ComboBox {
        skip_assert_initialized!();
        unsafe {
            Widget::from_glib_none(ffi::gtk_combo_box_new_with_model_and_entry(
                model.as_ref().to_glib_none().0,
            ))
            .unsafe_cast()
        }
    }

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

impl Default for ComboBox {
    fn default() -> Self {
        Self::new()
    }
}

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

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

    /// The item which is currently active.
    ///
    /// If the model is a non-flat treemodel, and the active item is not an
    /// immediate child of the root of the tree, this property has the value
    /// `gtk_tree_path_get_indices (path)[0]`, where `path` is the
    /// [`TreePath`][crate::TreePath] of the active item.
    pub fn active(self, active: i32) -> Self {
        Self {
            builder: self.builder.property("active", active),
        }
    }

    /// The value of the ID column of the active row.
    pub fn active_id(self, active_id: impl Into<glib::GString>) -> Self {
        Self {
            builder: self.builder.property("active-id", active_id.into()),
        }
    }

    /// Whether the dropdown button is sensitive when
    /// the model is empty.
    pub fn button_sensitivity(self, button_sensitivity: SensitivityType) -> Self {
        Self {
            builder: self
                .builder
                .property("button-sensitivity", button_sensitivity),
        }
    }

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

    /// The model column to associate with strings from the entry.
    ///
    /// This is property only relevant if the combo was created with
    /// [`has-entry`][struct@crate::ComboBox#has-entry] is [`true`].
    pub fn entry_text_column(self, entry_text_column: i32) -> Self {
        Self {
            builder: self
                .builder
                .property("entry-text-column", entry_text_column),
        }
    }

    /// Whether the combo box has an entry.
    pub fn has_entry(self, has_entry: bool) -> Self {
        Self {
            builder: self.builder.property("has-entry", has_entry),
        }
    }

    /// The `has-frame` property controls whether a frame is drawn around the entry.
    pub fn has_frame(self, has_frame: bool) -> Self {
        Self {
            builder: self.builder.property("has-frame", has_frame),
        }
    }

    /// The model column that provides string IDs for the values
    /// in the model, if != -1.
    pub fn id_column(self, id_column: i32) -> Self {
        Self {
            builder: self.builder.property("id-column", id_column),
        }
    }

    /// The model from which the combo box takes its values.
    pub fn model(self, model: &impl IsA<TreeModel>) -> Self {
        Self {
            builder: self.builder.property("model", model.clone().upcast()),
        }
    }

    /// Whether the popup's width should be a fixed width matching the
    /// allocated width of the combo box.
    pub fn popup_fixed_width(self, popup_fixed_width: bool) -> Self {
        Self {
            builder: self
                .builder
                .property("popup-fixed-width", popup_fixed_width),
        }
    }

    /// 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),
        }
    }

    /// Indicates whether editing on the cell has been canceled.
    pub fn editing_canceled(self, editing_canceled: bool) -> Self {
        Self {
            builder: self.builder.property("editing-canceled", editing_canceled),
        }
    }

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

/// Trait containing all [`struct@ComboBox`] methods.
///
/// # Implementors
///
/// [`ComboBoxText`][struct@crate::ComboBoxText], [`ComboBox`][struct@crate::ComboBox]
pub trait ComboBoxExt: IsA<ComboBox> + 'static {
    /// Returns the ID of the active row of @self.
    ///
    /// This value is taken from the active row and the column specified
    /// by the [`id-column`][struct@crate::ComboBox#id-column] property of @self
    /// (see [`set_id_column()`][Self::set_id_column()]).
    ///
    /// The returned value is an interned string which means that you can
    /// compare the pointer by value to other interned strings and that you
    /// must not free it.
    ///
    /// If the [`id-column`][struct@crate::ComboBox#id-column] property of @self is
    /// not set, or if no row is active, or if the active row has a [`None`]
    /// ID value, then [`None`] is returned.
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    ///
    /// # Returns
    ///
    /// the ID of the active row
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_get_active_id")]
    #[doc(alias = "get_active_id")]
    #[doc(alias = "active-id")]
    fn active_id(&self) -> Option<glib::GString> {
        unsafe {
            from_glib_none(ffi::gtk_combo_box_get_active_id(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Sets @iter to point to the currently active item.
    ///
    /// If no item is active, @iter is left unchanged.
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    ///
    /// # Returns
    ///
    /// [`true`] if @iter was set, [`false`] otherwise
    ///
    /// ## `iter`
    /// A [`TreeIter`][crate::TreeIter]
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_get_active_iter")]
    #[doc(alias = "get_active_iter")]
    fn active_iter(&self) -> Option<TreeIter> {
        unsafe {
            let mut iter = TreeIter::uninitialized();
            let ret = from_glib(ffi::gtk_combo_box_get_active_iter(
                self.as_ref().to_glib_none().0,
                iter.to_glib_none_mut().0,
            ));
            if ret { Some(iter) } else { None }
        }
    }

    /// Returns whether the combo box sets the dropdown button
    /// sensitive or not when there are no items in the model.
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    ///
    /// # Returns
    ///
    /// [`SensitivityType::On`][crate::SensitivityType::On] if the dropdown button
    ///   is sensitive when the model is empty, [`SensitivityType::Off`][crate::SensitivityType::Off]
    ///   if the button is always insensitive or [`SensitivityType::Auto`][crate::SensitivityType::Auto]
    ///   if it is only sensitive as long as the model has one item to
    ///   be selected.
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_get_button_sensitivity")]
    #[doc(alias = "get_button_sensitivity")]
    #[doc(alias = "button-sensitivity")]
    fn button_sensitivity(&self) -> SensitivityType {
        unsafe {
            from_glib(ffi::gtk_combo_box_get_button_sensitivity(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Gets the child widget of @self.
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    ///
    /// # Returns
    ///
    /// the child widget of @self
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_get_child")]
    #[doc(alias = "get_child")]
    fn child(&self) -> Option<Widget> {
        unsafe { from_glib_none(ffi::gtk_combo_box_get_child(self.as_ref().to_glib_none().0)) }
    }

    /// Returns the column which @self is using to get the strings
    /// from to display in the internal entry.
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    ///
    /// # Returns
    ///
    /// A column in the data source model of @self.
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_get_entry_text_column")]
    #[doc(alias = "get_entry_text_column")]
    #[doc(alias = "entry-text-column")]
    fn entry_text_column(&self) -> i32 {
        unsafe { ffi::gtk_combo_box_get_entry_text_column(self.as_ref().to_glib_none().0) }
    }

    /// Returns whether the combo box has an entry.
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    ///
    /// # Returns
    ///
    /// whether there is an entry in @self.
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_get_has_entry")]
    #[doc(alias = "get_has_entry")]
    #[doc(alias = "has-entry")]
    fn has_entry(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_combo_box_get_has_entry(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Returns the column which @self is using to get string IDs
    /// for values from.
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    ///
    /// # Returns
    ///
    /// A column in the data source model of @self.
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_get_id_column")]
    #[doc(alias = "get_id_column")]
    #[doc(alias = "id-column")]
    fn id_column(&self) -> i32 {
        unsafe { ffi::gtk_combo_box_get_id_column(self.as_ref().to_glib_none().0) }
    }

    /// Returns the [`TreeModel`][crate::TreeModel] of @self.
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    ///
    /// # Returns
    ///
    /// A [`TreeModel`][crate::TreeModel] which was passed
    ///   during construction.
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_get_model")]
    #[doc(alias = "get_model")]
    fn model(&self) -> Option<TreeModel> {
        unsafe { from_glib_none(ffi::gtk_combo_box_get_model(self.as_ref().to_glib_none().0)) }
    }

    /// Gets whether the popup uses a fixed width.
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    ///
    /// # Returns
    ///
    /// [`true`] if the popup uses a fixed width
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_get_popup_fixed_width")]
    #[doc(alias = "get_popup_fixed_width")]
    #[doc(alias = "popup-fixed-width")]
    fn is_popup_fixed_width(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_combo_box_get_popup_fixed_width(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Hides the menu or dropdown list of @self.
    ///
    /// This function is mostly intended for use by accessibility technologies;
    /// applications should have little use for it.
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_popdown")]
    fn popdown(&self) {
        unsafe {
            ffi::gtk_combo_box_popdown(self.as_ref().to_glib_none().0);
        }
    }

    /// Pops up the menu or dropdown list of @self.
    ///
    /// This function is mostly intended for use by accessibility technologies;
    /// applications should have little use for it.
    ///
    /// Before calling this, @self must be mapped, or nothing will happen.
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_popup")]
    fn popup(&self) {
        unsafe {
            ffi::gtk_combo_box_popup(self.as_ref().to_glib_none().0);
        }
    }

    /// Pops up the menu of @self.
    ///
    /// Note that currently this does not do anything with the device, as it was
    /// previously only used for list-mode combo boxes, and those were removed
    /// in GTK 4. However, it is retained in case similar functionality is added
    /// back later.
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    /// ## `device`
    /// a [`gdk::Device`][crate::gdk::Device]
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_popup_for_device")]
    fn popup_for_device(&self, device: &gdk::Device) {
        unsafe {
            ffi::gtk_combo_box_popup_for_device(
                self.as_ref().to_glib_none().0,
                device.to_glib_none().0,
            );
        }
    }

    /// Changes the active row of @self to the one that has an ID equal to
    /// @active_id.
    ///
    /// If @active_id is [`None`], the active row is unset. Rows having
    /// a [`None`] ID string cannot be made active by this function.
    ///
    /// If the [`id-column`][struct@crate::ComboBox#id-column] property of @self is
    /// unset or if no row has the given ID then the function does nothing
    /// and returns [`false`].
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    /// ## `active_id`
    /// the ID of the row to select
    ///
    /// # Returns
    ///
    /// [`true`] if a row with a matching ID was found. If a [`None`]
    ///   @active_id was given to unset the active row, the function
    ///   always returns [`true`].
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_set_active_id")]
    #[doc(alias = "active-id")]
    fn set_active_id(&self, active_id: Option<&str>) -> bool {
        unsafe {
            from_glib(ffi::gtk_combo_box_set_active_id(
                self.as_ref().to_glib_none().0,
                active_id.to_glib_none().0,
            ))
        }
    }

    /// Sets the current active item to be the one referenced by @iter.
    ///
    /// If @iter is [`None`], the active item is unset.
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    /// ## `iter`
    /// The [`TreeIter`][crate::TreeIter]
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_set_active_iter")]
    fn set_active_iter(&self, iter: Option<&TreeIter>) {
        unsafe {
            ffi::gtk_combo_box_set_active_iter(
                self.as_ref().to_glib_none().0,
                mut_override(iter.to_glib_none().0),
            );
        }
    }

    /// Sets whether the dropdown button of the combo box should update
    /// its sensitivity depending on the model contents.
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    /// ## `sensitivity`
    /// specify the sensitivity of the dropdown button
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_set_button_sensitivity")]
    #[doc(alias = "button-sensitivity")]
    fn set_button_sensitivity(&self, sensitivity: SensitivityType) {
        unsafe {
            ffi::gtk_combo_box_set_button_sensitivity(
                self.as_ref().to_glib_none().0,
                sensitivity.into_glib(),
            );
        }
    }

    /// Sets the child widget of @self.
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    /// ## `child`
    /// the child widget
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_set_child")]
    #[doc(alias = "child")]
    fn set_child(&self, child: Option<&impl IsA<Widget>>) {
        unsafe {
            ffi::gtk_combo_box_set_child(
                self.as_ref().to_glib_none().0,
                child.map(|p| p.as_ref()).to_glib_none().0,
            );
        }
    }

    /// Sets the model column which @self should use to get strings
    /// from to be @text_column.
    ///
    /// For this column no separate
    /// [`CellRenderer`][crate::CellRenderer] is needed.
    ///
    /// The column @text_column in the model of @self must be of
    /// type `G_TYPE_STRING`.
    ///
    /// This is only relevant if @self has been created with
    /// [`has-entry`][struct@crate::ComboBox#has-entry] as [`true`].
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    /// ## `text_column`
    /// A column in @model to get the strings from for
    ///   the internal entry
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_set_entry_text_column")]
    #[doc(alias = "entry-text-column")]
    fn set_entry_text_column(&self, text_column: i32) {
        unsafe {
            ffi::gtk_combo_box_set_entry_text_column(self.as_ref().to_glib_none().0, text_column);
        }
    }

    /// Sets the model column which @self should use to get string IDs
    /// for values from.
    ///
    /// The column @id_column in the model of @self must be of type
    /// `G_TYPE_STRING`.
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    /// ## `id_column`
    /// A column in @model to get string IDs for values from
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_set_id_column")]
    #[doc(alias = "id-column")]
    fn set_id_column(&self, id_column: i32) {
        unsafe {
            ffi::gtk_combo_box_set_id_column(self.as_ref().to_glib_none().0, id_column);
        }
    }

    /// Sets the model used by @self to be @model.
    ///
    /// Will unset a previously set model (if applicable). If model is [`None`],
    /// then it will unset the model.
    ///
    /// Note that this function does not clear the cell renderers, you have to
    /// call [`CellLayoutExt::clear()`][crate::prelude::CellLayoutExt::clear()] yourself if you need to set up different
    /// cell renderers for the new model.
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    /// ## `model`
    /// A [`TreeModel`][crate::TreeModel]
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_set_model")]
    #[doc(alias = "model")]
    fn set_model(&self, model: Option<&impl IsA<TreeModel>>) {
        unsafe {
            ffi::gtk_combo_box_set_model(
                self.as_ref().to_glib_none().0,
                model.map(|p| p.as_ref()).to_glib_none().0,
            );
        }
    }

    /// s width should be a fixed width.
    ///
    /// If @fixed is [`true`], the popup's width is set to match the
    /// allocated width of the combo box.
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    /// ## `fixed`
    /// whether to use a fixed popup width
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_set_popup_fixed_width")]
    #[doc(alias = "popup-fixed-width")]
    fn set_popup_fixed_width(&self, fixed: bool) {
        unsafe {
            ffi::gtk_combo_box_set_popup_fixed_width(
                self.as_ref().to_glib_none().0,
                fixed.into_glib(),
            );
        }
    }

    /// Sets the row separator function, which is used to determine
    /// whether a row should be drawn as a separator.
    ///
    /// If the row separator function is [`None`], no separators are drawn.
    /// This is the default value.
    ///
    /// # Deprecated since 4.10
    ///
    /// Use [`DropDown`][crate::DropDown]
    /// ## `func`
    /// a `GtkTreeViewRowSeparatorFunc`
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_combo_box_set_row_separator_func")]
    fn set_row_separator_func<P: Fn(&TreeModel, &TreeIter) -> bool + 'static>(&self, func: P) {
        let func_data: Box_<P> = Box_::new(func);
        unsafe extern "C" fn func_func<P: Fn(&TreeModel, &TreeIter) -> bool + 'static>(
            model: *mut ffi::GtkTreeModel,
            iter: *mut ffi::GtkTreeIter,
            data: glib::ffi::gpointer,
        ) -> glib::ffi::gboolean {
            unsafe {
                let model = from_glib_borrow(model);
                let iter = from_glib_borrow(iter);
                let callback = &*(data as *mut P);
                (*callback)(&model, &iter).into_glib()
            }
        }
        let func = Some(func_func::<P> as _);
        unsafe extern "C" fn destroy_func<P: Fn(&TreeModel, &TreeIter) -> bool + 'static>(
            data: glib::ffi::gpointer,
        ) {
            unsafe {
                let _callback = Box_::from_raw(data as *mut P);
            }
        }
        let destroy_call3 = Some(destroy_func::<P> as _);
        let super_callback0: Box_<P> = func_data;
        unsafe {
            ffi::gtk_combo_box_set_row_separator_func(
                self.as_ref().to_glib_none().0,
                func,
                Box_::into_raw(super_callback0) as *mut _,
                destroy_call3,
            );
        }
    }

    /// The `has-frame` property controls whether a frame is drawn around the entry.
    #[doc(alias = "has-frame")]
    fn has_frame(&self) -> bool {
        ObjectExt::property(self.as_ref(), "has-frame")
    }

    /// The `has-frame` property controls whether a frame is drawn around the entry.
    #[doc(alias = "has-frame")]
    fn set_has_frame(&self, has_frame: bool) {
        ObjectExt::set_property(self.as_ref(), "has-frame", has_frame)
    }

    /// Whether the combo boxes dropdown is popped up.
    ///
    /// Note that this property is mainly useful, because
    /// it allows you to connect to notify::popup-shown.
    #[doc(alias = "popup-shown")]
    fn is_popup_shown(&self) -> bool {
        ObjectExt::property(self.as_ref(), "popup-shown")
    }

    /// Emitted to when the combo box is activated.
    ///
    /// The `::activate` signal on [`ComboBox`][crate::ComboBox] is an action signal and
    /// emitting it causes the combo box to pop up its dropdown.
    #[cfg(feature = "v4_6")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v4_6")))]
    #[doc(alias = "activate")]
    fn connect_activate<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn activate_trampoline<P: IsA<ComboBox>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkComboBox,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(ComboBox::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        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::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[cfg(feature = "v4_6")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v4_6")))]
    fn emit_activate(&self) {
        self.emit_by_name::<()>("activate", &[]);
    }

    /// Emitted when the active item is changed.
    ///
    /// The can be due to the user selecting a different item from the list,
    /// or due to a call to [`set_active_iter()`][Self::set_active_iter()]. It will
    /// also be emitted while typing into the entry of a combo box with an entry.
    #[doc(alias = "changed")]
    fn connect_changed<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn changed_trampoline<P: IsA<ComboBox>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkComboBox,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(ComboBox::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        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::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    /// value,
    ///                       -1);
    ///
    ///   return g_strdup_printf ("`g`", value);
    /// }
    /// ```text
    ///
    /// ## `path`
    /// the [`TreePath`][crate::TreePath] string from the combo box's current model
    ///   to format text for
    ///
    /// # Returns
    ///
    /// a newly allocated string representing @path
    ///   for the current [`ComboBox`][crate::ComboBox] model.
    #[doc(alias = "format-entry-text")]
    fn connect_format_entry_text<F: Fn(&Self, &str) -> String + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn format_entry_text_trampoline<
            P: IsA<ComboBox>,
            F: Fn(&P, &str) -> String + 'static,
        >(
            this: *mut ffi::GtkComboBox,
            path: *mut std::ffi::c_char,
            f: glib::ffi::gpointer,
        ) -> *mut std::ffi::c_char {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    ComboBox::from_glib_borrow(this).unsafe_cast_ref(),
                    &glib::GString::from_glib_borrow(path),
                )
                .to_glib_full()
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"format-entry-text".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    format_entry_text_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    /// Emitted to move the active selection.
    ///
    /// This is an [keybinding signal](class.SignalAction.html).
    /// ## `scroll_type`
    /// a [`ScrollType`][crate::ScrollType]
    #[doc(alias = "move-active")]
    fn connect_move_active<F: Fn(&Self, ScrollType) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn move_active_trampoline<
            P: IsA<ComboBox>,
            F: Fn(&P, ScrollType) + 'static,
        >(
            this: *mut ffi::GtkComboBox,
            scroll_type: ffi::GtkScrollType,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    ComboBox::from_glib_borrow(this).unsafe_cast_ref(),
                    from_glib(scroll_type),
                )
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"move-active".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    move_active_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn emit_move_active(&self, scroll_type: ScrollType) {
        self.emit_by_name::<()>("move-active", &[&scroll_type]);
    }

    /// Emitted to popdown the combo box list.
    ///
    /// This is an [keybinding signal](class.SignalAction.html).
    ///
    /// The default bindings for this signal are Alt+Up and Escape.
    ///
    /// # Returns
    ///
    /// whether the combo box was popped down
    #[doc(alias = "popdown")]
    fn connect_popdown<F: Fn(&Self) -> bool + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn popdown_trampoline<P: IsA<ComboBox>, F: Fn(&P) -> bool + 'static>(
            this: *mut ffi::GtkComboBox,
            f: glib::ffi::gpointer,
        ) -> glib::ffi::gboolean {
            unsafe {
                let f: &F = &*(f as *const F);
                f(ComboBox::from_glib_borrow(this).unsafe_cast_ref()).into_glib()
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"popdown".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    popdown_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn emit_popdown(&self) -> bool {
        self.emit_by_name("popdown", &[])
    }

    /// Emitted to popup the combo box list.
    ///
    /// This is an [keybinding signal](class.SignalAction.html).
    ///
    /// The default binding for this signal is Alt+Down.
    #[doc(alias = "popup")]
    fn connect_popup<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn popup_trampoline<P: IsA<ComboBox>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkComboBox,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(ComboBox::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"popup".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    popup_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn emit_popup(&self) {
        self.emit_by_name::<()>("popup", &[]);
    }

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

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

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

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

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

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

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

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

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

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

impl<O: IsA<ComboBox>> ComboBoxExt for O {}