gtk/auto/

tool_item.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

use crate::{
    Align, Bin, Buildable, Container, IconSize, Orientation, ReliefStyle, ResizeMode, SizeGroup,
    ToolbarStyle, Widget, ffi,
};
use glib::{
    object::ObjectType as _,
    prelude::*,
    signal::{SignalHandlerId, connect_raw},
    translate::*,
};
use std::boxed::Box as Box_;

glib::wrapper! {
    /// `GtkToolItems` are widgets that can appear on a toolbar. To
    /// create a toolbar item that contain something else than a button, use
    /// [`new()`][Self::new()]. Use [`ContainerExt::add()`][crate::prelude::ContainerExt::add()] to add a child
    /// widget to the tool item.
    ///
    /// For toolbar items that contain buttons, see the [`ToolButton`][crate::ToolButton],
    /// [`ToggleToolButton`][crate::ToggleToolButton] and [`RadioToolButton`][crate::RadioToolButton] classes.
    ///
    /// See the [`Toolbar`][crate::Toolbar] class for a description of the toolbar widget, and
    /// [`ToolShell`][crate::ToolShell] for a description of the tool shell interface.
    ///
    /// ## Properties
    ///
    ///
    /// #### `is-important`
    ///  Readable | Writable
    ///
    ///
    /// #### `visible-horizontal`
    ///  Readable | Writable
    ///
    ///
    /// #### `visible-vertical`
    ///  Readable | Writable
    /// <details><summary><h4>Container</h4></summary>
    ///
    ///
    /// #### `border-width`
    ///  Readable | Writable
    ///
    ///
    /// #### `child`
    ///  Writable
    ///
    ///
    /// #### `resize-mode`
    ///  Readable | Writable
    /// </details>
    /// <details><summary><h4>Widget</h4></summary>
    ///
    ///
    /// #### `app-paintable`
    ///  Readable | Writable
    ///
    ///
    /// #### `can-default`
    ///  Readable | Writable
    ///
    ///
    /// #### `can-focus`
    ///  Readable | Writable
    ///
    ///
    /// #### `composite-child`
    ///  Readable
    ///
    ///
    /// #### `double-buffered`
    ///  Whether the widget is double buffered.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `events`
    ///  Readable | Writable
    ///
    ///
    /// #### `expand`
    ///  Whether to expand in both directions. Setting this sets both [`hexpand`][struct@crate::Widget#hexpand] and [`vexpand`][struct@crate::Widget#vexpand]
    ///
    /// 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.
    ///
    /// Before 3.20, several widgets (GtkButton, GtkFileChooserButton,
    /// GtkComboBox) implemented this property individually.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `halign`
    ///  How to distribute horizontal space if widget gets extra space, see [`Align`][crate::Align]
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `has-default`
    ///  Readable | Writable
    ///
    ///
    /// #### `has-focus`
    ///  Readable | Writable
    ///
    ///
    /// #### `has-tooltip`
    ///  Enables or disables the emission of [`query-tooltip`][struct@crate::Widget#query-tooltip] on `widget`.
    /// A value of [`true`] 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.
    ///
    /// Note that setting this property to [`true`] for the first time will change
    /// the event masks of the GdkWindows of this widget to include leave-notify
    /// and motion-notify events. This cannot and will not be undone when the
    /// property is set to [`false`] again.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `height-request`
    ///  Readable | Writable
    ///
    ///
    /// #### `hexpand`
    ///  Whether to expand horizontally. See [`WidgetExt::set_hexpand()`][crate::prelude::WidgetExt::set_hexpand()].
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `hexpand-set`
    ///  Whether to use the [`hexpand`][struct@crate::Widget#hexpand] property. See [`WidgetExt::is_hexpand_set()`][crate::prelude::WidgetExt::is_hexpand_set()].
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `is-focus`
    ///  Readable | Writable
    ///
    ///
    /// #### `margin`
    ///  Sets all four sides' margin at once. If read, returns max
    /// margin on any side.
    ///
    /// 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-left`
    ///  Margin on left 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-right`
    ///  Margin on right 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-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`
    ///  Readable | Writable
    ///
    ///
    /// #### `no-show-all`
    ///  Readable | Writable
    ///
    ///
    /// #### `opacity`
    ///  The requested opacity of the widget. See [`WidgetExt::set_opacity()`][crate::prelude::WidgetExt::set_opacity()] for
    /// more details about window opacity.
    ///
    /// Before 3.8 this was only available in GtkWindow
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `parent`
    ///  Readable | Writable
    ///
    ///
    /// #### `receives-default`
    ///  Readable | Writable
    ///
    ///
    /// #### `scale-factor`
    ///  The scale factor of the widget. See [`WidgetExt::scale_factor()`][crate::prelude::WidgetExt::scale_factor()] for
    /// more details about widget scaling.
    ///
    /// Readable
    ///
    ///
    /// #### `sensitive`
    ///  Readable | Writable
    ///
    ///
    /// #### `style`
    ///  The style of the widget, which contains information about how it will look (colors, etc).
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `tooltip-markup`
    ///  Sets the text of tooltip to be the given string, which is marked up
    /// with the [Pango text markup language][PangoMarkupFormat].
    /// 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 [`None`]: [`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 [`None`]: [`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, see [`Align`][crate::Align]
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `vexpand`
    ///  Whether to expand vertically. See [`WidgetExt::set_vexpand()`][crate::prelude::WidgetExt::set_vexpand()].
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `vexpand-set`
    ///  Whether to use the [`vexpand`][struct@crate::Widget#vexpand] property. See [`WidgetExt::is_vexpand_set()`][crate::prelude::WidgetExt::is_vexpand_set()].
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `visible`
    ///  Readable | Writable
    ///
    ///
    /// #### `width-request`
    ///  Readable | Writable
    ///
    ///
    /// #### `window`
    ///  The widget's window if it is realized, [`None`] otherwise.
    ///
    /// Readable
    /// </details>
    /// <details><summary><h4>Activatable</h4></summary>
    ///
    ///
    /// #### `related-action`
    ///   call `gtk_activatable_do_set_related_action()` when it changes.
    ///
    /// Readable | Writable
    ///
    ///
    /// #### `use-action-appearance`
    ///   widget when it changes.
    ///
    /// Readable | Writable
    /// </details>
    ///
    /// ## Signals
    ///
    ///
    /// #### `create-menu-proxy`
    ///  This signal is emitted when the toolbar needs information from `tool_item`
    /// about whether the item should appear in the toolbar overflow menu. In
    /// response the tool item should either
    ///
    /// - call [`ToolItemExt::set_proxy_menu_item()`][crate::prelude::ToolItemExt::set_proxy_menu_item()] with a [`None`]
    ///  pointer and return [`true`] to indicate that the item should not appear
    ///  in the overflow menu
    ///
    /// - call [`ToolItemExt::set_proxy_menu_item()`][crate::prelude::ToolItemExt::set_proxy_menu_item()] with a new menu
    ///  item and return [`true`], or
    ///
    /// - return [`false`] to indicate that the signal was not handled by the item.
    ///  This means that the item will not appear in the overflow menu unless
    ///  a later handler installs a menu item.
    ///
    /// The toolbar may cache the result of this signal. When the tool item changes
    /// how it will respond to this signal it must call [`ToolItemExt::rebuild_menu()`][crate::prelude::ToolItemExt::rebuild_menu()]
    /// to invalidate the cache and ensure that the toolbar rebuilds its overflow
    /// menu.
    ///
    ///
    ///
    ///
    /// #### `toolbar-reconfigured`
    ///  This signal is emitted when some property of the toolbar that the
    /// item is a child of changes. For custom subclasses of [`ToolItem`][crate::ToolItem],
    /// the default handler of this signal use the functions
    /// - [`ToolShellExt::orientation()`][crate::prelude::ToolShellExt::orientation()]
    /// - [`ToolShellExt::style()`][crate::prelude::ToolShellExt::style()]
    /// - [`ToolShellExt::icon_size()`][crate::prelude::ToolShellExt::icon_size()]
    /// - [`ToolShellExt::relief_style()`][crate::prelude::ToolShellExt::relief_style()]
    /// to find out what the toolbar should look like and change
    /// themselves accordingly.
    ///
    ///
    /// <details><summary><h4>Container</h4></summary>
    ///
    ///
    /// #### `add`
    ///
    ///
    ///
    /// #### `check-resize`
    ///
    ///
    ///
    /// #### `remove`
    ///
    ///
    ///
    /// #### `set-focus-child`
    ///
    /// </details>
    /// <details><summary><h4>Widget</h4></summary>
    ///
    ///
    /// #### `accel-closures-changed`
    ///
    ///
    ///
    /// #### `button-press-event`
    ///  The ::button-press-event signal will be emitted when a button
    /// (typically from a mouse) is pressed.
    ///
    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the
    /// widget needs to enable the [`gdk::EventMask::BUTTON_PRESS_MASK`][crate::gdk::EventMask::BUTTON_PRESS_MASK] mask.
    ///
    /// This signal will be sent to the grab widget if there is one.
    ///
    ///
    ///
    ///
    /// #### `button-release-event`
    ///  The ::button-release-event signal will be emitted when a button
    /// (typically from a mouse) is released.
    ///
    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the
    /// widget needs to enable the [`gdk::EventMask::BUTTON_RELEASE_MASK`][crate::gdk::EventMask::BUTTON_RELEASE_MASK] mask.
    ///
    /// This signal will be sent to the grab widget if there is one.
    ///
    ///
    ///
    ///
    /// #### `can-activate-accel`
    ///  Determines whether an accelerator that activates the signal
    /// identified by `signal_id` can currently be activated.
    /// This signal is present to allow applications and derived
    /// widgets to override the default [`Widget`][crate::Widget] handling
    /// for determining whether an accelerator can be activated.
    ///
    ///
    ///
    ///
    /// #### `child-notify`
    ///  The ::child-notify signal is emitted for each
    /// [child property][child-properties] that has
    /// changed on an object. The signal's detail holds the property name.
    ///
    /// Detailed
    ///
    ///
    /// #### `composited-changed`
    ///  The ::composited-changed signal is emitted when the composited
    /// status of `widgets` screen changes.
    /// See [`Screen::is_composited()`][crate::gdk::Screen::is_composited()].
    ///
    /// Action
    ///
    ///
    /// #### `configure-event`
    ///  The ::configure-event signal will be emitted when the size, position or
    /// stacking of the `widget`'s window has changed.
    ///
    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
    /// to enable the [`gdk::EventMask::STRUCTURE_MASK`][crate::gdk::EventMask::STRUCTURE_MASK] mask. GDK will enable this mask
    /// automatically for all new windows.
    ///
    ///
    ///
    ///
    /// #### `damage-event`
    ///  Emitted when a redirected window belonging to `widget` gets drawn into.
    /// The region/area members of the event shows what area of the redirected
    /// drawable was drawn into.
    ///
    ///
    ///
    ///
    /// #### `delete-event`
    ///  The ::delete-event signal is emitted if a user requests that
    /// a toplevel window is closed. The default handler for this signal
    /// destroys the window. Connecting [`WidgetExtManual::hide_on_delete()`][crate::prelude::WidgetExtManual::hide_on_delete()] to
    /// this signal will cause the window to be hidden instead, so that
    /// it can later be shown again without reconstructing it.
    ///
    ///
    ///
    ///
    /// #### `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.
    ///
    ///
    ///
    ///
    /// #### `destroy-event`
    ///  The ::destroy-event signal is emitted when a [`gdk::Window`][crate::gdk::Window] is destroyed.
    /// You rarely get this signal, because most widgets disconnect themselves
    /// from their window before they destroy it, so no widget owns the
    /// window at destroy time.
    ///
    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
    /// to enable the [`gdk::EventMask::STRUCTURE_MASK`][crate::gdk::EventMask::STRUCTURE_MASK] mask. GDK will enable this mask
    /// automatically for all new windows.
    ///
    ///
    ///
    ///
    /// #### `direction-changed`
    ///  The ::direction-changed signal is emitted when the text direction
    /// of a widget changes.
    ///
    ///
    ///
    ///
    /// #### `drag-begin`
    ///  The ::drag-begin signal is emitted on the drag source when a drag is
    /// started. A typical reason to connect to this signal is to set up a
    /// custom drag icon with e.g. [`WidgetExt::drag_source_set_icon_pixbuf()`][crate::prelude::WidgetExt::drag_source_set_icon_pixbuf()].
    ///
    /// Note that some widgets set up a drag icon in the default handler of
    /// this signal, so you may have to use `g_signal_connect_after()` to
    /// override what the default handler did.
    ///
    ///
    ///
    ///
    /// #### `drag-data-delete`
    ///  The ::drag-data-delete signal is emitted on the drag source when a drag
    /// with the action [`gdk::DragAction::MOVE`][crate::gdk::DragAction::MOVE] is successfully completed. The signal
    /// handler is responsible for deleting the data that has been dropped. What
    /// "delete" means depends on the context of the drag operation.
    ///
    ///
    ///
    ///
    /// #### `drag-data-get`
    ///  The ::drag-data-get signal is emitted on the drag source when the drop
    /// site requests the data which is dragged. It is the responsibility of
    /// the signal handler to fill `data` with the data in the format which
    /// is indicated by `info`. See [`SelectionData::set()`][crate::SelectionData::set()] and
    /// [`SelectionData::set_text()`][crate::SelectionData::set_text()].
    ///
    ///
    ///
    ///
    /// #### `drag-data-received`
    ///  format == 8))
    ///  {
    ///  GdkDragAction action;
    ///
    ///  // handle data here
    ///
    ///  action = gdk_drag_context_get_selected_action (context);
    ///  if (action == GDK_ACTION_ASK)
    ///  {
    ///  GtkWidget *dialog;
    ///  gint response;
    ///
    ///  dialog = gtk_message_dialog_new (NULL,
    ///  GTK_DIALOG_MODAL |
    ///  GTK_DIALOG_DESTROY_WITH_PARENT,
    ///  GTK_MESSAGE_INFO,
    ///  GTK_BUTTONS_YES_NO,
    ///  "Move the data ?\n");
    ///  response = gtk_dialog_run (GTK_DIALOG (dialog));
    ///  gtk_widget_destroy (dialog);
    ///
    ///  if (response == GTK_RESPONSE_YES)
    ///  action = GDK_ACTION_MOVE;
    ///  else
    ///  action = GDK_ACTION_COPY;
    ///  }
    ///
    ///  gtk_drag_finish (context, TRUE, action == GDK_ACTION_MOVE, time);
    ///  }
    ///  else
    ///  gtk_drag_finish (context, FALSE, FALSE, time);
    ///  }
    /// ]|
    ///
    ///
    ///
    ///
    /// #### `drag-drop`
    ///  The ::drag-drop signal is emitted on the drop site when the user drops
    /// the data onto the widget. The signal handler must determine whether
    /// the cursor position is in a drop zone or not. If it is not in a drop
    /// zone, it returns [`false`] and no further processing is necessary.
    /// Otherwise, the handler returns [`true`]. In this case, the handler must
    /// ensure that `gtk_drag_finish()` is called to let the source know that
    /// the drop is done. The call to `gtk_drag_finish()` can be done either
    /// directly or in a [`drag-data-received`][struct@crate::Widget#drag-data-received] handler which gets
    /// triggered by calling [`WidgetExt::drag_get_data()`][crate::prelude::WidgetExt::drag_get_data()] to receive the data for one
    /// or more of the supported targets.
    ///
    ///
    ///
    ///
    /// #### `drag-end`
    ///  The ::drag-end signal is emitted on the drag source when a drag is
    /// finished. A typical reason to connect to this signal is to undo
    /// things done in [`drag-begin`][struct@crate::Widget#drag-begin].
    ///
    ///
    ///
    ///
    /// #### `drag-failed`
    ///  The ::drag-failed signal is emitted on the drag source when a drag has
    /// failed. The signal handler may hook custom code to handle a failed DnD
    /// operation based on the type of error, it returns [`true`] is the failure has
    /// been already handled (not showing the default "drag operation failed"
    /// animation), otherwise it returns [`false`].
    ///
    ///
    ///
    ///
    /// #### `drag-leave`
    ///  The ::drag-leave signal is emitted on the drop site when the cursor
    /// leaves the widget. A typical reason to connect to this signal is to
    /// undo things done in [`drag-motion`][struct@crate::Widget#drag-motion], e.g. undo highlighting
    /// with [`WidgetExt::drag_unhighlight()`][crate::prelude::WidgetExt::drag_unhighlight()].
    ///
    ///
    /// Likewise, the [`drag-leave`][struct@crate::Widget#drag-leave] signal is also emitted before the
    /// ::drag-drop signal, for instance to allow cleaning up of a preview item
    /// created in the [`drag-motion`][struct@crate::Widget#drag-motion] signal handler.
    ///
    ///
    ///
    ///
    /// #### `drag-motion`
    ///  suggested_action,
    ///  time);
    ///  }
    ///  else
    ///  {
    ///  // accept the drop
    ///  }
    /// }
    /// ]|
    ///
    ///
    ///
    ///
    /// #### `draw`
    ///  This signal is emitted when a widget is supposed to render itself.
    /// The `widget`'s top left corner must be painted at the origin of
    /// the passed in context and be sized to the values returned by
    /// [`WidgetExt::allocated_width()`][crate::prelude::WidgetExt::allocated_width()] and
    /// [`WidgetExt::allocated_height()`][crate::prelude::WidgetExt::allocated_height()].
    ///
    /// Signal handlers connected to this signal can modify the cairo
    /// context passed as `cr` in any way they like and don't need to
    /// restore it. The signal emission takes care of calling `cairo_save()`
    /// before and `cairo_restore()` after invoking the handler.
    ///
    /// The signal handler will get a `cr` with a clip region already set to the
    /// widget's dirty region, i.e. to the area that needs repainting. Complicated
    /// widgets that want to avoid redrawing themselves completely can get the full
    /// extents of the clip region with `gdk_cairo_get_clip_rectangle()`, or they can
    /// get a finer-grained representation of the dirty region with
    /// `cairo_copy_clip_rectangle_list()`.
    ///
    ///
    ///
    ///
    /// #### `enter-notify-event`
    ///  The ::enter-notify-event will be emitted when the pointer enters
    /// the `widget`'s window.
    ///
    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
    /// to enable the [`gdk::EventMask::ENTER_NOTIFY_MASK`][crate::gdk::EventMask::ENTER_NOTIFY_MASK] mask.
    ///
    /// This signal will be sent to the grab widget if there is one.
    ///
    ///
    ///
    ///
    /// #### `event`
    ///  The GTK+ main loop will emit three signals for each GDK event delivered
    /// to a widget: one generic ::event signal, another, more specific,
    /// signal that matches the type of event delivered (e.g.
    /// [`key-press-event`][struct@crate::Widget#key-press-event]) and finally a generic
    /// [`event-after`][struct@crate::Widget#event-after] signal.
    ///
    ///
    ///
    ///
    /// #### `event-after`
    ///  After the emission of the [`event`][struct@crate::Widget#event] signal and (optionally)
    /// the second more specific signal, ::event-after will be emitted
    /// regardless of the previous two signals handlers return values.
    ///
    ///
    ///
    ///
    /// #### `focus`
    ///
    ///
    ///
    /// #### `focus-in-event`
    ///  The ::focus-in-event signal will be emitted when the keyboard focus
    /// enters the `widget`'s window.
    ///
    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
    /// to enable the [`gdk::EventMask::FOCUS_CHANGE_MASK`][crate::gdk::EventMask::FOCUS_CHANGE_MASK] mask.
    ///
    ///
    ///
    ///
    /// #### `focus-out-event`
    ///  The ::focus-out-event signal will be emitted when the keyboard focus
    /// leaves the `widget`'s window.
    ///
    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
    /// to enable the [`gdk::EventMask::FOCUS_CHANGE_MASK`][crate::gdk::EventMask::FOCUS_CHANGE_MASK] mask.
    ///
    ///
    ///
    ///
    /// #### `grab-broken-event`
    ///  Emitted when a pointer or keyboard grab on a window belonging
    /// to `widget` gets broken.
    ///
    /// On X11, this happens when the grab window becomes unviewable
    /// (i.e. it or one of its ancestors is unmapped), or if the same
    /// application grabs the pointer or keyboard again.
    ///
    ///
    ///
    ///
    /// #### `grab-focus`
    ///  Action
    ///
    ///
    /// #### `grab-notify`
    ///  The ::grab-notify signal is emitted when a widget becomes
    /// shadowed by a GTK+ grab (not a pointer or keyboard grab) on
    /// another widget, or when it becomes unshadowed due to a grab
    /// being removed.
    ///
    /// A widget is shadowed by a [`WidgetExt::grab_add()`][crate::prelude::WidgetExt::grab_add()] when the topmost
    /// grab widget in the grab stack of its window group is not
    /// its ancestor.
    ///
    ///
    ///
    ///
    /// #### `hide`
    ///  The ::hide signal is emitted when `widget` is hidden, for example with
    /// [`WidgetExt::hide()`][crate::prelude::WidgetExt::hide()].
    ///
    ///
    ///
    ///
    /// #### `hierarchy-changed`
    ///  The ::hierarchy-changed signal is emitted when the
    /// anchored state of a widget changes. A widget is
    /// “anchored” when its toplevel
    /// ancestor is a [`Window`][crate::Window]. This signal is emitted when
    /// a widget changes from un-anchored to anchored or vice-versa.
    ///
    ///
    ///
    ///
    /// #### `key-press-event`
    ///  The ::key-press-event signal is emitted when a key is pressed. The signal
    /// emission will reoccur at the key-repeat rate when the key is kept pressed.
    ///
    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
    /// to enable the [`gdk::EventMask::KEY_PRESS_MASK`][crate::gdk::EventMask::KEY_PRESS_MASK] mask.
    ///
    /// This signal will be sent to the grab widget if there is one.
    ///
    ///
    ///
    ///
    /// #### `key-release-event`
    ///  The ::key-release-event signal is emitted when a key is released.
    ///
    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
    /// to enable the [`gdk::EventMask::KEY_RELEASE_MASK`][crate::gdk::EventMask::KEY_RELEASE_MASK] mask.
    ///
    /// This signal will be sent to the grab widget if there is one.
    ///
    ///
    ///
    ///
    /// #### `keynav-failed`
    ///  Gets emitted if keyboard navigation fails.
    /// See [`WidgetExt::keynav_failed()`][crate::prelude::WidgetExt::keynav_failed()] for details.
    ///
    ///
    ///
    ///
    /// #### `leave-notify-event`
    ///  The ::leave-notify-event will be emitted when the pointer leaves
    /// the `widget`'s window.
    ///
    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
    /// to enable the [`gdk::EventMask::LEAVE_NOTIFY_MASK`][crate::gdk::EventMask::LEAVE_NOTIFY_MASK] mask.
    ///
    /// This signal will be sent to the grab widget if there is one.
    ///
    ///
    ///
    ///
    /// #### `map`
    ///  The ::map signal is emitted when `widget` is going to be mapped, that is
    /// when the widget is visible (which is controlled with
    /// [`WidgetExt::set_visible()`][crate::prelude::WidgetExt::set_visible()]) and all its parents up to the toplevel widget
    /// are also visible. Once the map has occurred, [`map-event`][struct@crate::Widget#map-event] will
    /// be emitted.
    ///
    /// 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].
    ///
    ///
    ///
    ///
    /// #### `map-event`
    ///  The ::map-event signal will be emitted when the `widget`'s window is
    /// mapped. A window is mapped when it becomes visible on the screen.
    ///
    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
    /// to enable the [`gdk::EventMask::STRUCTURE_MASK`][crate::gdk::EventMask::STRUCTURE_MASK] mask. GDK will enable this mask
    /// automatically for all new windows.
    ///
    ///
    ///
    ///
    /// #### `mnemonic-activate`
    ///  The default handler for this signal activates `widget` if `group_cycling`
    /// is [`false`], or just makes `widget` grab focus if `group_cycling` is [`true`].
    ///
    ///
    ///
    ///
    /// #### `motion-notify-event`
    ///  The ::motion-notify-event signal is emitted when the pointer moves
    /// over the widget's [`gdk::Window`][crate::gdk::Window].
    ///
    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget
    /// needs to enable the [`gdk::EventMask::POINTER_MOTION_MASK`][crate::gdk::EventMask::POINTER_MOTION_MASK] mask.
    ///
    /// This signal will be sent to the grab widget if there is one.
    ///
    ///
    ///
    ///
    /// #### `move-focus`
    ///  Action
    ///
    ///
    /// #### `parent-set`
    ///  The ::parent-set signal is emitted when a new parent
    /// has been set on a widget.
    ///
    ///
    ///
    ///
    /// #### `popup-menu`
    ///  This signal gets emitted whenever a widget should pop up a context
    /// menu. This usually happens through the standard key binding mechanism;
    /// by pressing a certain key while a widget is focused, the user can cause
    /// the widget to pop up a menu. For example, the [`Entry`][crate::Entry] widget creates
    /// a menu with clipboard commands. See the
    /// [Popup Menu Migration Checklist][checklist-popup-menu]
    /// for an example of how to use this signal.
    ///
    /// Action
    ///
    ///
    /// #### `property-notify-event`
    ///  The ::property-notify-event signal will be emitted when a property on
    /// the `widget`'s window has been changed or deleted.
    ///
    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
    /// to enable the [`gdk::EventMask::PROPERTY_CHANGE_MASK`][crate::gdk::EventMask::PROPERTY_CHANGE_MASK] mask.
    ///
    ///
    ///
    ///
    /// #### `proximity-in-event`
    ///  To receive this signal the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
    /// to enable the [`gdk::EventMask::PROXIMITY_IN_MASK`][crate::gdk::EventMask::PROXIMITY_IN_MASK] mask.
    ///
    /// This signal will be sent to the grab widget if there is one.
    ///
    ///
    ///
    ///
    /// #### `proximity-out-event`
    ///  To receive this signal the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
    /// to enable the [`gdk::EventMask::PROXIMITY_OUT_MASK`][crate::gdk::EventMask::PROXIMITY_OUT_MASK] mask.
    ///
    /// This signal will be sent to the grab widget if there is one.
    ///
    ///
    ///
    ///
    /// #### `query-tooltip`
    ///  Emitted when [`has-tooltip`][struct@crate::Widget#has-tooltip] 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`
    ///  The ::realize signal is emitted when `widget` is associated with a
    /// [`gdk::Window`][crate::gdk::Window], which 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).
    ///
    ///
    ///
    ///
    /// #### `screen-changed`
    ///  The ::screen-changed signal gets emitted when the
    /// screen of a widget has changed.
    ///
    ///
    ///
    ///
    /// #### `scroll-event`
    ///  The ::scroll-event signal is emitted when a button in the 4 to 7
    /// range is pressed. Wheel mice are usually configured to generate
    /// button press events for buttons 4 and 5 when the wheel is turned.
    ///
    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
    /// to enable the [`gdk::EventMask::SCROLL_MASK`][crate::gdk::EventMask::SCROLL_MASK] mask.
    ///
    /// This signal will be sent to the grab widget if there is one.
    ///
    ///
    ///
    ///
    /// #### `selection-clear-event`
    ///  The ::selection-clear-event signal will be emitted when the
    /// the `widget`'s window has lost ownership of a selection.
    ///
    ///
    ///
    ///
    /// #### `selection-get`
    ///
    ///
    ///
    /// #### `selection-notify-event`
    ///
    ///
    ///
    /// #### `selection-received`
    ///
    ///
    ///
    /// #### `selection-request-event`
    ///  The ::selection-request-event signal will be emitted when
    /// another client requests ownership of the selection owned by
    /// the `widget`'s window.
    ///
    ///
    ///
    ///
    /// #### `show`
    ///  The ::show signal is emitted when `widget` is shown, for example with
    /// [`WidgetExt::show()`][crate::prelude::WidgetExt::show()].
    ///
    ///
    ///
    ///
    /// #### `show-help`
    ///  Action
    ///
    ///
    /// #### `size-allocate`
    ///
    ///
    ///
    /// #### `state-changed`
    ///  The ::state-changed signal is emitted when the widget state changes.
    /// See `gtk_widget_get_state()`.
    ///
    ///
    ///
    ///
    /// #### `state-flags-changed`
    ///  The ::state-flags-changed signal is emitted when the widget state
    /// changes, see [`WidgetExt::state_flags()`][crate::prelude::WidgetExt::state_flags()].
    ///
    ///
    ///
    ///
    /// #### `style-set`
    ///  The ::style-set signal is emitted when a new style has been set
    /// on a widget. Note that style-modifying functions like
    /// `gtk_widget_modify_base()` also cause this signal to be emitted.
    ///
    /// Note that this signal is emitted for changes to the deprecated
    /// `GtkStyle`. To track changes to the [`StyleContext`][crate::StyleContext] associated
    /// with a widget, use the [`style-updated`][struct@crate::Widget#style-updated] signal.
    ///
    ///
    ///
    ///
    /// #### `style-updated`
    ///  The ::style-updated signal is a convenience signal that is emitted when the
    /// [`changed`][struct@crate::StyleContext#changed] signal is emitted on the `widget`'s associated
    /// [`StyleContext`][crate::StyleContext] as returned by [`WidgetExt::style_context()`][crate::prelude::WidgetExt::style_context()].
    ///
    /// Note that style-modifying functions like `gtk_widget_override_color()` also
    /// cause this signal to be emitted.
    ///
    ///
    ///
    ///
    /// #### `touch-event`
    ///
    ///
    ///
    /// #### `unmap`
    ///  The ::unmap signal is emitted when `widget` is going to be unmapped, which
    /// means that 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.
    ///
    ///
    ///
    ///
    /// #### `unmap-event`
    ///  The ::unmap-event signal will be emitted when the `widget`'s window is
    /// unmapped. A window is unmapped when it becomes invisible on the screen.
    ///
    /// To receive this signal, the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
    /// to enable the [`gdk::EventMask::STRUCTURE_MASK`][crate::gdk::EventMask::STRUCTURE_MASK] mask. GDK will enable this mask
    /// automatically for all new windows.
    ///
    ///
    ///
    ///
    /// #### `unrealize`
    ///  The ::unrealize signal is emitted when the [`gdk::Window`][crate::gdk::Window] associated with
    /// `widget` is destroyed, which 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).
    ///
    ///
    ///
    ///
    /// #### `visibility-notify-event`
    ///  The ::visibility-notify-event will be emitted when the `widget`'s
    /// window is obscured or unobscured.
    ///
    /// To receive this signal the [`gdk::Window`][crate::gdk::Window] associated to the widget needs
    /// to enable the [`gdk::EventMask::VISIBILITY_NOTIFY_MASK`][crate::gdk::EventMask::VISIBILITY_NOTIFY_MASK] mask.
    ///
    ///
    ///
    ///
    /// #### `window-state-event`
    ///  The ::window-state-event will be emitted when the state of the
    /// toplevel window associated to the `widget` changes.
    ///
    /// To receive this signal the [`gdk::Window`][crate::gdk::Window] associated to the widget
    /// needs to enable the [`gdk::EventMask::STRUCTURE_MASK`][crate::gdk::EventMask::STRUCTURE_MASK] mask. GDK will enable
    /// this mask automatically for all new windows.
    ///
    ///
    /// </details>
    ///
    /// # Implements
    ///
    /// [`ToolItemExt`][trait@crate::prelude::ToolItemExt], [`BinExt`][trait@crate::prelude::BinExt], [`ContainerExt`][trait@crate::prelude::ContainerExt], [`WidgetExt`][trait@crate::prelude::WidgetExt], [`trait@glib::ObjectExt`], [`BuildableExt`][trait@crate::prelude::BuildableExt], [`ContainerExtManual`][trait@crate::prelude::ContainerExtManual], [`WidgetExtManual`][trait@crate::prelude::WidgetExtManual], [`BuildableExtManual`][trait@crate::prelude::BuildableExtManual]
    #[doc(alias = "GtkToolItem")]
    pub struct ToolItem(Object<ffi::GtkToolItem, ffi::GtkToolItemClass>) @extends Bin, Container, Widget, @implements Buildable;

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

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

    /// Creates a new [`ToolItem`][crate::ToolItem]
    ///
    /// # Returns
    ///
    /// the new [`ToolItem`][crate::ToolItem]
    #[doc(alias = "gtk_tool_item_new")]
    pub fn new() -> ToolItem {
        assert_initialized_main_thread!();
        unsafe { from_glib_none(ffi::gtk_tool_item_new()) }
    }

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

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

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

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

    pub fn is_important(self, is_important: bool) -> Self {
        Self {
            builder: self.builder.property("is-important", is_important),
        }
    }

    pub fn visible_horizontal(self, visible_horizontal: bool) -> Self {
        Self {
            builder: self
                .builder
                .property("visible-horizontal", visible_horizontal),
        }
    }

    pub fn visible_vertical(self, visible_vertical: bool) -> Self {
        Self {
            builder: self.builder.property("visible-vertical", visible_vertical),
        }
    }

    pub fn border_width(self, border_width: u32) -> Self {
        Self {
            builder: self.builder.property("border-width", border_width),
        }
    }

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

    pub fn resize_mode(self, resize_mode: ResizeMode) -> Self {
        Self {
            builder: self.builder.property("resize-mode", resize_mode),
        }
    }

    pub fn app_paintable(self, app_paintable: bool) -> Self {
        Self {
            builder: self.builder.property("app-paintable", app_paintable),
        }
    }

    pub fn can_default(self, can_default: bool) -> Self {
        Self {
            builder: self.builder.property("can-default", can_default),
        }
    }

    pub fn can_focus(self, can_focus: bool) -> Self {
        Self {
            builder: self.builder.property("can-focus", can_focus),
        }
    }

    pub fn events(self, events: gdk::EventMask) -> Self {
        Self {
            builder: self.builder.property("events", events),
        }
    }

    /// Whether to expand in both directions. Setting this sets both [`hexpand`][struct@crate::Widget#hexpand] and [`vexpand`][struct@crate::Widget#vexpand]
    pub fn expand(self, expand: bool) -> Self {
        Self {
            builder: self.builder.property("expand", expand),
        }
    }

    /// Whether the widget should grab focus when it is clicked with the mouse.
    ///
    /// This property is only relevant for widgets that can take focus.
    ///
    /// Before 3.20, several widgets (GtkButton, GtkFileChooserButton,
    /// GtkComboBox) implemented this property individually.
    pub fn focus_on_click(self, focus_on_click: bool) -> Self {
        Self {
            builder: self.builder.property("focus-on-click", focus_on_click),
        }
    }

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

    pub fn has_default(self, has_default: bool) -> Self {
        Self {
            builder: self.builder.property("has-default", has_default),
        }
    }

    pub fn has_focus(self, has_focus: bool) -> Self {
        Self {
            builder: self.builder.property("has-focus", has_focus),
        }
    }

    /// Enables or disables the emission of [`query-tooltip`][struct@crate::Widget#query-tooltip] on `widget`.
    /// A value of [`true`] 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.
    ///
    /// Note that setting this property to [`true`] for the first time will change
    /// the event masks of the GdkWindows of this widget to include leave-notify
    /// and motion-notify events. This cannot and will not be undone when the
    /// property is set to [`false`] again.
    pub fn has_tooltip(self, has_tooltip: bool) -> Self {
        Self {
            builder: self.builder.property("has-tooltip", has_tooltip),
        }
    }

    pub fn height_request(self, height_request: i32) -> Self {
        Self {
            builder: self.builder.property("height-request", height_request),
        }
    }

    /// Whether to expand horizontally. See [`WidgetExt::set_hexpand()`][crate::prelude::WidgetExt::set_hexpand()].
    pub fn hexpand(self, hexpand: bool) -> Self {
        Self {
            builder: self.builder.property("hexpand", hexpand),
        }
    }

    /// Whether to use the [`hexpand`][struct@crate::Widget#hexpand] property. See [`WidgetExt::is_hexpand_set()`][crate::prelude::WidgetExt::is_hexpand_set()].
    pub fn hexpand_set(self, hexpand_set: bool) -> Self {
        Self {
            builder: self.builder.property("hexpand-set", hexpand_set),
        }
    }

    pub fn is_focus(self, is_focus: bool) -> Self {
        Self {
            builder: self.builder.property("is-focus", is_focus),
        }
    }

    /// Sets all four sides' margin at once. If read, returns max
    /// margin on any side.
    pub fn margin(self, margin: i32) -> Self {
        Self {
            builder: self.builder.property("margin", margin),
        }
    }

    /// 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),
        }
    }

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

    pub fn no_show_all(self, no_show_all: bool) -> Self {
        Self {
            builder: self.builder.property("no-show-all", no_show_all),
        }
    }

    /// The requested opacity of the widget. See [`WidgetExt::set_opacity()`][crate::prelude::WidgetExt::set_opacity()] for
    /// more details about window opacity.
    ///
    /// Before 3.8 this was only available in GtkWindow
    pub fn opacity(self, opacity: f64) -> Self {
        Self {
            builder: self.builder.property("opacity", opacity),
        }
    }

    pub fn parent(self, parent: &impl IsA<Container>) -> Self {
        Self {
            builder: self.builder.property("parent", parent.clone().upcast()),
        }
    }

    pub fn receives_default(self, receives_default: bool) -> Self {
        Self {
            builder: self.builder.property("receives-default", receives_default),
        }
    }

    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 the [Pango text markup language][PangoMarkupFormat].
    /// 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 [`None`]: [`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 [`None`]: [`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, see [`Align`][crate::Align]
    pub fn valign(self, valign: Align) -> Self {
        Self {
            builder: self.builder.property("valign", valign),
        }
    }

    /// Whether to expand vertically. See [`WidgetExt::set_vexpand()`][crate::prelude::WidgetExt::set_vexpand()].
    pub fn vexpand(self, vexpand: bool) -> Self {
        Self {
            builder: self.builder.property("vexpand", vexpand),
        }
    }

    /// Whether to use the [`vexpand`][struct@crate::Widget#vexpand] property. See [`WidgetExt::is_vexpand_set()`][crate::prelude::WidgetExt::is_vexpand_set()].
    pub fn vexpand_set(self, vexpand_set: bool) -> Self {
        Self {
            builder: self.builder.property("vexpand-set", vexpand_set),
        }
    }

    pub fn visible(self, visible: bool) -> Self {
        Self {
            builder: self.builder.property("visible", visible),
        }
    }

    pub fn width_request(self, width_request: i32) -> Self {
        Self {
            builder: self.builder.property("width-request", width_request),
        }
    }

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

/// Trait containing all [`struct@ToolItem`] methods.
///
/// # Implementors
///
/// [`SeparatorToolItem`][struct@crate::SeparatorToolItem], [`ToolButton`][struct@crate::ToolButton], [`ToolItem`][struct@crate::ToolItem]
pub trait ToolItemExt: IsA<ToolItem> + 'static {
    /// Returns the ellipsize mode used for `self`. Custom subclasses of
    /// [`ToolItem`][crate::ToolItem] should call this function to find out how text should
    /// be ellipsized.
    ///
    /// # Returns
    ///
    /// a [`pango::EllipsizeMode`][crate::pango::EllipsizeMode] indicating how text in `self`
    /// should be ellipsized.
    #[doc(alias = "gtk_tool_item_get_ellipsize_mode")]
    #[doc(alias = "get_ellipsize_mode")]
    fn ellipsize_mode(&self) -> pango::EllipsizeMode {
        unsafe {
            from_glib(ffi::gtk_tool_item_get_ellipsize_mode(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Returns whether `self` is allocated extra space.
    /// See [`set_expand()`][Self::set_expand()].
    ///
    /// # Returns
    ///
    /// [`true`] if `self` is allocated extra space.
    #[doc(alias = "gtk_tool_item_get_expand")]
    #[doc(alias = "get_expand")]
    fn expands(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_tool_item_get_expand(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Returns whether `self` is the same size as other homogeneous
    /// items. See [`set_homogeneous()`][Self::set_homogeneous()].
    ///
    /// # Returns
    ///
    /// [`true`] if the item is the same size as other homogeneous
    /// items.
    #[doc(alias = "gtk_tool_item_get_homogeneous")]
    #[doc(alias = "get_homogeneous")]
    fn is_homogeneous(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_tool_item_get_homogeneous(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Returns the icon size used for `self`. Custom subclasses of
    /// [`ToolItem`][crate::ToolItem] should call this function to find out what size icons
    /// they should use.
    ///
    /// # Returns
    ///
    /// a [`IconSize`][crate::IconSize] indicating the icon size
    /// used for `self`
    #[doc(alias = "gtk_tool_item_get_icon_size")]
    #[doc(alias = "get_icon_size")]
    fn icon_size(&self) -> IconSize {
        unsafe {
            from_glib(ffi::gtk_tool_item_get_icon_size(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Returns whether `self` is considered important. See
    /// [`set_is_important()`][Self::set_is_important()]
    ///
    /// # Returns
    ///
    /// [`true`] if `self` is considered important.
    #[doc(alias = "gtk_tool_item_get_is_important")]
    #[doc(alias = "get_is_important")]
    #[doc(alias = "is-important")]
    fn is_important(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_tool_item_get_is_important(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Returns the orientation used for `self`. Custom subclasses of
    /// [`ToolItem`][crate::ToolItem] should call this function to find out what size icons
    /// they should use.
    ///
    /// # Returns
    ///
    /// a [`Orientation`][crate::Orientation] indicating the orientation
    /// used for `self`
    #[doc(alias = "gtk_tool_item_get_orientation")]
    #[doc(alias = "get_orientation")]
    fn orientation(&self) -> Orientation {
        unsafe {
            from_glib(ffi::gtk_tool_item_get_orientation(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// If `menu_item_id` matches the string passed to
    /// [`set_proxy_menu_item()`][Self::set_proxy_menu_item()] return the corresponding [`MenuItem`][crate::MenuItem].
    ///
    /// Custom subclasses of [`ToolItem`][crate::ToolItem] should use this function to
    /// update their menu item when the [`ToolItem`][crate::ToolItem] changes. That the
    /// `menu_item_ids` must match ensures that a [`ToolItem`][crate::ToolItem]
    /// will not inadvertently change a menu item that they did not create.
    /// ## `menu_item_id`
    /// a string used to identify the menu item
    ///
    /// # Returns
    ///
    /// The [`MenuItem`][crate::MenuItem] passed to
    ///  [`set_proxy_menu_item()`][Self::set_proxy_menu_item()], if the `menu_item_ids`
    ///  match.
    #[doc(alias = "gtk_tool_item_get_proxy_menu_item")]
    #[doc(alias = "get_proxy_menu_item")]
    fn proxy_menu_item(&self, menu_item_id: &str) -> Option<Widget> {
        unsafe {
            from_glib_none(ffi::gtk_tool_item_get_proxy_menu_item(
                self.as_ref().to_glib_none().0,
                menu_item_id.to_glib_none().0,
            ))
        }
    }

    /// Returns the relief style of `self`. See [`ButtonExt::set_relief()`][crate::prelude::ButtonExt::set_relief()].
    /// Custom subclasses of [`ToolItem`][crate::ToolItem] should call this function in the handler
    /// of the [`toolbar_reconfigured`][struct@crate::ToolItem#toolbar_reconfigured] signal to find out the
    /// relief style of buttons.
    ///
    /// # Returns
    ///
    /// a [`ReliefStyle`][crate::ReliefStyle] indicating the relief style used
    /// for `self`.
    #[doc(alias = "gtk_tool_item_get_relief_style")]
    #[doc(alias = "get_relief_style")]
    fn relief_style(&self) -> ReliefStyle {
        unsafe {
            from_glib(ffi::gtk_tool_item_get_relief_style(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Returns the text alignment used for `self`. Custom subclasses of
    /// [`ToolItem`][crate::ToolItem] should call this function to find out how text should
    /// be aligned.
    ///
    /// # Returns
    ///
    /// a `gfloat` indicating the horizontal text alignment
    /// used for `self`
    #[doc(alias = "gtk_tool_item_get_text_alignment")]
    #[doc(alias = "get_text_alignment")]
    fn text_alignment(&self) -> f32 {
        unsafe { ffi::gtk_tool_item_get_text_alignment(self.as_ref().to_glib_none().0) }
    }

    /// Returns the text orientation used for `self`. Custom subclasses of
    /// [`ToolItem`][crate::ToolItem] should call this function to find out how text should
    /// be orientated.
    ///
    /// # Returns
    ///
    /// a [`Orientation`][crate::Orientation] indicating the text orientation
    /// used for `self`
    #[doc(alias = "gtk_tool_item_get_text_orientation")]
    #[doc(alias = "get_text_orientation")]
    fn text_orientation(&self) -> Orientation {
        unsafe {
            from_glib(ffi::gtk_tool_item_get_text_orientation(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Returns the size group used for labels in `self`.
    /// Custom subclasses of [`ToolItem`][crate::ToolItem] should call this function
    /// and use the size group for labels.
    ///
    /// # Returns
    ///
    /// a [`SizeGroup`][crate::SizeGroup]
    #[doc(alias = "gtk_tool_item_get_text_size_group")]
    #[doc(alias = "get_text_size_group")]
    fn text_size_group(&self) -> Option<SizeGroup> {
        unsafe {
            from_glib_none(ffi::gtk_tool_item_get_text_size_group(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Returns the toolbar style used for `self`. Custom subclasses of
    /// [`ToolItem`][crate::ToolItem] should call this function in the handler of the
    /// GtkToolItem::toolbar_reconfigured signal to find out in what style
    /// the toolbar is displayed and change themselves accordingly
    ///
    /// Possibilities are:
    /// - [`ToolbarStyle::Both`][crate::ToolbarStyle::Both], meaning the tool item should show
    ///  both an icon and a label, stacked vertically
    /// - [`ToolbarStyle::Icons`][crate::ToolbarStyle::Icons], meaning the toolbar shows only icons
    /// - [`ToolbarStyle::Text`][crate::ToolbarStyle::Text], meaning the tool item should only show text
    /// - [`ToolbarStyle::BothHoriz`][crate::ToolbarStyle::BothHoriz], meaning the tool item should show
    ///  both an icon and a label, arranged horizontally
    ///
    /// # Returns
    ///
    /// A [`ToolbarStyle`][crate::ToolbarStyle] indicating the toolbar style used
    /// for `self`.
    #[doc(alias = "gtk_tool_item_get_toolbar_style")]
    #[doc(alias = "get_toolbar_style")]
    fn toolbar_style(&self) -> ToolbarStyle {
        unsafe {
            from_glib(ffi::gtk_tool_item_get_toolbar_style(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Returns whether `self` has a drag window. See
    /// [`set_use_drag_window()`][Self::set_use_drag_window()].
    ///
    /// # Returns
    ///
    /// [`true`] if `self` uses a drag window.
    #[doc(alias = "gtk_tool_item_get_use_drag_window")]
    #[doc(alias = "get_use_drag_window")]
    fn uses_drag_window(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_tool_item_get_use_drag_window(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Returns whether the `self` is visible on toolbars that are
    /// docked horizontally.
    ///
    /// # Returns
    ///
    /// [`true`] if `self` is visible on toolbars that are
    /// docked horizontally.
    #[doc(alias = "gtk_tool_item_get_visible_horizontal")]
    #[doc(alias = "get_visible_horizontal")]
    #[doc(alias = "visible-horizontal")]
    fn is_visible_horizontal(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_tool_item_get_visible_horizontal(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Returns whether `self` is visible when the toolbar is docked vertically.
    /// See [`set_visible_vertical()`][Self::set_visible_vertical()].
    ///
    /// # Returns
    ///
    /// Whether `self` is visible when the toolbar is docked vertically
    #[doc(alias = "gtk_tool_item_get_visible_vertical")]
    #[doc(alias = "get_visible_vertical")]
    #[doc(alias = "visible-vertical")]
    fn is_visible_vertical(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_tool_item_get_visible_vertical(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Calling this function signals to the toolbar that the
    /// overflow menu item for `self` has changed. If the
    /// overflow menu is visible when this function it called,
    /// the menu will be rebuilt.
    ///
    /// The function must be called when the tool item changes what it
    /// will do in response to the [`create-menu-proxy`][struct@crate::ToolItem#create-menu-proxy] signal.
    #[doc(alias = "gtk_tool_item_rebuild_menu")]
    fn rebuild_menu(&self) {
        unsafe {
            ffi::gtk_tool_item_rebuild_menu(self.as_ref().to_glib_none().0);
        }
    }

    /// Returns the [`MenuItem`][crate::MenuItem] that was last set by
    /// [`set_proxy_menu_item()`][Self::set_proxy_menu_item()], ie. the [`MenuItem`][crate::MenuItem]
    /// that is going to appear in the overflow menu.
    ///
    /// # Returns
    ///
    /// The [`MenuItem`][crate::MenuItem] that is going to appear in the
    /// overflow menu for `self`.
    #[doc(alias = "gtk_tool_item_retrieve_proxy_menu_item")]
    fn retrieve_proxy_menu_item(&self) -> Option<Widget> {
        unsafe {
            from_glib_none(ffi::gtk_tool_item_retrieve_proxy_menu_item(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Sets whether `self` is allocated extra space when there
    /// is more room on the toolbar then needed for the items. The
    /// effect is that the item gets bigger when the toolbar gets bigger
    /// and smaller when the toolbar gets smaller.
    /// ## `expand`
    /// Whether `self` is allocated extra space
    #[doc(alias = "gtk_tool_item_set_expand")]
    fn set_expand(&self, expand: bool) {
        unsafe {
            ffi::gtk_tool_item_set_expand(self.as_ref().to_glib_none().0, expand.into_glib());
        }
    }

    /// Sets whether `self` is to be allocated the same size as other
    /// homogeneous items. The effect is that all homogeneous items will have
    /// the same width as the widest of the items.
    /// ## `homogeneous`
    /// whether `self` is the same size as other homogeneous items
    #[doc(alias = "gtk_tool_item_set_homogeneous")]
    fn set_homogeneous(&self, homogeneous: bool) {
        unsafe {
            ffi::gtk_tool_item_set_homogeneous(
                self.as_ref().to_glib_none().0,
                homogeneous.into_glib(),
            );
        }
    }

    /// Sets whether `self` should be considered important. The [`ToolButton`][crate::ToolButton]
    /// class uses this property to determine whether to show or hide its label
    /// when the toolbar style is [`ToolbarStyle::BothHoriz`][crate::ToolbarStyle::BothHoriz]. The result is that
    /// only tool buttons with the “is_important” property set have labels, an
    /// effect known as “priority text”
    /// ## `is_important`
    /// whether the tool item should be considered important
    #[doc(alias = "gtk_tool_item_set_is_important")]
    #[doc(alias = "is-important")]
    fn set_is_important(&self, is_important: bool) {
        unsafe {
            ffi::gtk_tool_item_set_is_important(
                self.as_ref().to_glib_none().0,
                is_important.into_glib(),
            );
        }
    }

    /// Sets the [`MenuItem`][crate::MenuItem] used in the toolbar overflow menu. The
    /// `menu_item_id` is used to identify the caller of this function and
    /// should also be used with [`proxy_menu_item()`][Self::proxy_menu_item()].
    ///
    /// See also [`create-menu-proxy`][struct@crate::ToolItem#create-menu-proxy].
    /// ## `menu_item_id`
    /// a string used to identify `menu_item`
    /// ## `menu_item`
    /// a [`MenuItem`][crate::MenuItem] to use in the overflow menu, or [`None`]
    #[doc(alias = "gtk_tool_item_set_proxy_menu_item")]
    fn set_proxy_menu_item(&self, menu_item_id: &str, menu_item: Option<&impl IsA<Widget>>) {
        unsafe {
            ffi::gtk_tool_item_set_proxy_menu_item(
                self.as_ref().to_glib_none().0,
                menu_item_id.to_glib_none().0,
                menu_item.map(|p| p.as_ref()).to_glib_none().0,
            );
        }
    }

    /// Sets the markup text to be displayed as tooltip on the item.
    /// See [`WidgetExt::set_tooltip_markup()`][crate::prelude::WidgetExt::set_tooltip_markup()].
    /// ## `markup`
    /// markup text to be used as tooltip for `self`
    #[doc(alias = "gtk_tool_item_set_tooltip_markup")]
    fn set_tooltip_markup(&self, markup: &str) {
        unsafe {
            ffi::gtk_tool_item_set_tooltip_markup(
                self.as_ref().to_glib_none().0,
                markup.to_glib_none().0,
            );
        }
    }

    /// Sets the text to be displayed as tooltip on the item.
    /// See [`WidgetExt::set_tooltip_text()`][crate::prelude::WidgetExt::set_tooltip_text()].
    /// ## `text`
    /// text to be used as tooltip for `self`
    #[doc(alias = "gtk_tool_item_set_tooltip_text")]
    fn set_tooltip_text(&self, text: &str) {
        unsafe {
            ffi::gtk_tool_item_set_tooltip_text(
                self.as_ref().to_glib_none().0,
                text.to_glib_none().0,
            );
        }
    }

    /// Sets whether `self` has a drag window. When [`true`] the
    /// toolitem can be used as a drag source through [`WidgetExtManual::drag_source_set()`][crate::prelude::WidgetExtManual::drag_source_set()].
    /// When `self` has a drag window it will intercept all events,
    /// even those that would otherwise be sent to a child of `self`.
    /// ## `use_drag_window`
    /// Whether `self` has a drag window.
    #[doc(alias = "gtk_tool_item_set_use_drag_window")]
    fn set_use_drag_window(&self, use_drag_window: bool) {
        unsafe {
            ffi::gtk_tool_item_set_use_drag_window(
                self.as_ref().to_glib_none().0,
                use_drag_window.into_glib(),
            );
        }
    }

    /// Sets whether `self` is visible when the toolbar is docked horizontally.
    /// ## `visible_horizontal`
    /// Whether `self` is visible when in horizontal mode
    #[doc(alias = "gtk_tool_item_set_visible_horizontal")]
    #[doc(alias = "visible-horizontal")]
    fn set_visible_horizontal(&self, visible_horizontal: bool) {
        unsafe {
            ffi::gtk_tool_item_set_visible_horizontal(
                self.as_ref().to_glib_none().0,
                visible_horizontal.into_glib(),
            );
        }
    }

    /// Sets whether `self` is visible when the toolbar is docked
    /// vertically. Some tool items, such as text entries, are too wide to be
    /// useful on a vertically docked toolbar. If `visible_vertical` is [`false`]
    /// `self` will not appear on toolbars that are docked vertically.
    /// ## `visible_vertical`
    /// whether `self` is visible when the toolbar
    /// is in vertical mode
    #[doc(alias = "gtk_tool_item_set_visible_vertical")]
    #[doc(alias = "visible-vertical")]
    fn set_visible_vertical(&self, visible_vertical: bool) {
        unsafe {
            ffi::gtk_tool_item_set_visible_vertical(
                self.as_ref().to_glib_none().0,
                visible_vertical.into_glib(),
            );
        }
    }

    /// Emits the signal [`toolbar_reconfigured`][struct@crate::ToolItem#toolbar_reconfigured] on `self`.
    /// [`Toolbar`][crate::Toolbar] and other [`ToolShell`][crate::ToolShell] implementations use this function
    /// to notify children, when some aspect of their configuration changes.
    #[doc(alias = "gtk_tool_item_toolbar_reconfigured")]
    fn toolbar_reconfigured(&self) {
        unsafe {
            ffi::gtk_tool_item_toolbar_reconfigured(self.as_ref().to_glib_none().0);
        }
    }

    /// This signal is emitted when the toolbar needs information from `tool_item`
    /// about whether the item should appear in the toolbar overflow menu. In
    /// response the tool item should either
    ///
    /// - call [`set_proxy_menu_item()`][Self::set_proxy_menu_item()] with a [`None`]
    ///  pointer and return [`true`] to indicate that the item should not appear
    ///  in the overflow menu
    ///
    /// - call [`set_proxy_menu_item()`][Self::set_proxy_menu_item()] with a new menu
    ///  item and return [`true`], or
    ///
    /// - return [`false`] to indicate that the signal was not handled by the item.
    ///  This means that the item will not appear in the overflow menu unless
    ///  a later handler installs a menu item.
    ///
    /// The toolbar may cache the result of this signal. When the tool item changes
    /// how it will respond to this signal it must call [`rebuild_menu()`][Self::rebuild_menu()]
    /// to invalidate the cache and ensure that the toolbar rebuilds its overflow
    /// menu.
    ///
    /// # Returns
    ///
    /// [`true`] if the signal was handled, [`false`] if not
    #[doc(alias = "create-menu-proxy")]
    fn connect_create_menu_proxy<F: Fn(&Self) -> glib::Propagation + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn create_menu_proxy_trampoline<
            P: IsA<ToolItem>,
            F: Fn(&P) -> glib::Propagation + 'static,
        >(
            this: *mut ffi::GtkToolItem,
            f: glib::ffi::gpointer,
        ) -> glib::ffi::gboolean {
            unsafe {
                let f: &F = &*(f as *const F);
                f(ToolItem::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"create-menu-proxy".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    create_menu_proxy_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    /// This signal is emitted when some property of the toolbar that the
    /// item is a child of changes. For custom subclasses of [`ToolItem`][crate::ToolItem],
    /// the default handler of this signal use the functions
    /// - [`ToolShellExt::orientation()`][crate::prelude::ToolShellExt::orientation()]
    /// - [`ToolShellExt::style()`][crate::prelude::ToolShellExt::style()]
    /// - [`ToolShellExt::icon_size()`][crate::prelude::ToolShellExt::icon_size()]
    /// - [`ToolShellExt::relief_style()`][crate::prelude::ToolShellExt::relief_style()]
    /// to find out what the toolbar should look like and change
    /// themselves accordingly.
    #[doc(alias = "toolbar-reconfigured")]
    fn connect_toolbar_reconfigured<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn toolbar_reconfigured_trampoline<
            P: IsA<ToolItem>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::GtkToolItem,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(ToolItem::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"toolbar-reconfigured".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    toolbar_reconfigured_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

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

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

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

impl<O: IsA<ToolItem>> ToolItemExt for O {}