// 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::AccelGroup;
use crate::Align;
use crate::Buildable;
use crate::Container;
use crate::MenuItem;
use crate::MenuShell;
use crate::ResizeMode;
use crate::ScrollType;
use crate::Widget;
use glib::object::Cast;
use glib::object::IsA;
use glib::object::ObjectExt;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib::StaticType;
use glib::ToValue;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem::transmute;

glib::wrapper! {
    /// A [`Menu`][crate::Menu] is a [`MenuShell`][crate::MenuShell] that implements a drop down menu
    /// consisting of a list of [`MenuItem`][crate::MenuItem] objects which can be navigated
    /// and activated by the user to perform application functions.
    ///
    /// A [`Menu`][crate::Menu] is most commonly dropped down by activating a
    /// [`MenuItem`][crate::MenuItem] in a [`MenuBar`][crate::MenuBar] or popped up by activating a
    /// [`MenuItem`][crate::MenuItem] in another [`Menu`][crate::Menu].
    ///
    /// A [`Menu`][crate::Menu] can also be popped up by activating a [`ComboBox`][crate::ComboBox].
    /// Other composite widgets such as the [`Notebook`][crate::Notebook] can pop up a
    /// [`Menu`][crate::Menu] as well.
    ///
    /// Applications can display a [`Menu`][crate::Menu] as a popup menu by calling the
    /// `gtk_menu_popup()` function. The example below shows how an application
    /// can pop up a menu when the 3rd mouse button is pressed.
    ///
    /// ## Connecting the popup signal handler.
    ///
    ///
    ///
    /// **⚠️ The following code is in C ⚠️**
    ///
    /// ```C
    ///   // connect our handler which will popup the menu
    ///   g_signal_connect_swapped (window, "button_press_event",
    /// G_CALLBACK (my_popup_handler), menu);
    /// ```
    ///
    /// ## Signal handler which displays a popup menu.
    ///
    ///
    ///
    /// **⚠️ The following code is in C ⚠️**
    ///
    /// ```C
    /// static gint
    /// my_popup_handler (GtkWidget *widget, GdkEvent *event)
    /// {
    ///   GtkMenu *menu;
    ///   GdkEventButton *event_button;
    ///
    ///   g_return_val_if_fail (widget != NULL, FALSE);
    ///   g_return_val_if_fail (GTK_IS_MENU (widget), FALSE);
    ///   g_return_val_if_fail (event != NULL, FALSE);
    ///
    ///   // The "widget" is the menu that was supplied when
    ///   // g_signal_connect_swapped() was called.
    ///   menu = GTK_MENU (widget);
    ///
    ///   if (event->type == GDK_BUTTON_PRESS)
    ///     {
    ///       event_button = (GdkEventButton *) event;
    ///       if (event_button->button == GDK_BUTTON_SECONDARY)
    ///         {
    ///           gtk_menu_popup (menu, NULL, NULL, NULL, NULL,
    ///                           event_button->button, event_button->time);
    ///           return TRUE;
    ///         }
    ///     }
    ///
    ///   return FALSE;
    /// }
    /// ```
    ///
    /// # CSS nodes
    ///
    ///
    ///
    /// **⚠️ The following code is in plain ⚠️**
    ///
    /// ```plain
    /// menu
    /// ├── arrow.top
    /// ├── <child>
    /// ┊
    /// ├── <child>
    /// ╰── arrow.bottom
    /// ```
    ///
    /// The main CSS node of GtkMenu has name menu, and there are two subnodes
    /// with name arrow, for scrolling menu arrows. These subnodes get the
    /// .top and .bottom style classes.
    ///
    /// # Implements
    ///
    /// [`GtkMenuExt`][trait@crate::prelude::GtkMenuExt], [`MenuShellExt`][trait@crate::prelude::MenuShellExt], [`ContainerExt`][trait@crate::prelude::ContainerExt], [`WidgetExt`][trait@crate::prelude::WidgetExt], [`trait@glib::ObjectExt`], [`BuildableExt`][trait@crate::prelude::BuildableExt], [`GtkMenuExtManual`][trait@crate::prelude::GtkMenuExtManual], [`ContainerExtManual`][trait@crate::prelude::ContainerExtManual], [`WidgetExtManual`][trait@crate::prelude::WidgetExtManual], [`BuildableExtManual`][trait@crate::prelude::BuildableExtManual]
    #[doc(alias = "GtkMenu")]
    pub struct Menu(Object<ffi::GtkMenu, ffi::GtkMenuClass>) @extends MenuShell, Container, Widget, @implements Buildable;

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

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

    /// Creates a new [`Menu`][crate::Menu]
    ///
    /// # Returns
    ///
    /// a new [`Menu`][crate::Menu]
    #[doc(alias = "gtk_menu_new")]
    pub fn new() -> Menu {
        assert_initialized_main_thread!();
        unsafe { Widget::from_glib_none(ffi::gtk_menu_new()).unsafe_cast() }
    }

    /// Creates a [`Menu`][crate::Menu] and populates it with menu items and
    /// submenus according to `model`.
    ///
    /// The created menu items are connected to actions found in the
    /// [`ApplicationWindow`][crate::ApplicationWindow] to which the menu belongs - typically
    /// by means of being attached to a widget (see `gtk_menu_attach_to_widget()`)
    /// that is contained within the `GtkApplicationWindows` widget hierarchy.
    ///
    /// Actions can also be added using [`WidgetExt::insert_action_group()`][crate::prelude::WidgetExt::insert_action_group()] on the menu's
    /// attach widget or on any of its parent widgets.
    /// ## `model`
    /// a [`gio::MenuModel`][crate::gio::MenuModel]
    ///
    /// # Returns
    ///
    /// a new [`Menu`][crate::Menu]
    #[doc(alias = "gtk_menu_new_from_model")]
    #[doc(alias = "new_from_model")]
    pub fn from_model(model: &impl IsA<gio::MenuModel>) -> Menu {
        assert_initialized_main_thread!();
        unsafe {
            Widget::from_glib_none(ffi::gtk_menu_new_from_model(
                model.as_ref().to_glib_none().0,
            ))
            .unsafe_cast()
        }
    }

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

    /// Returns a list of the menus which are attached to this widget.
    /// This list is owned by GTK+ and must not be modified.
    /// ## `widget`
    /// a [`Widget`][crate::Widget]
    ///
    /// # Returns
    ///
    /// the list
    ///  of menus attached to his widget.
    #[doc(alias = "gtk_menu_get_for_attach_widget")]
    #[doc(alias = "get_for_attach_widget")]
    pub fn for_attach_widget(widget: &impl IsA<Widget>) -> Vec<Widget> {
        skip_assert_initialized!();
        unsafe {
            FromGlibPtrContainer::from_glib_none(ffi::gtk_menu_get_for_attach_widget(
                widget.as_ref().to_glib_none().0,
            ))
        }
    }
}

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

#[derive(Clone, Default)]
// rustdoc-stripper-ignore-next
/// A [builder-pattern] type to construct [`Menu`] 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 MenuBuilder {
    accel_group: Option<AccelGroup>,
    accel_path: Option<String>,
    active: Option<i32>,
    anchor_hints: Option<gdk::AnchorHints>,
    attach_widget: Option<Widget>,
    menu_type_hint: Option<gdk::WindowTypeHint>,
    monitor: Option<i32>,
    rect_anchor_dx: Option<i32>,
    rect_anchor_dy: Option<i32>,
    reserve_toggle_size: Option<bool>,
    take_focus: Option<bool>,
    border_width: Option<u32>,
    child: Option<Widget>,
    resize_mode: Option<ResizeMode>,
    app_paintable: Option<bool>,
    can_default: Option<bool>,
    can_focus: Option<bool>,
    events: Option<gdk::EventMask>,
    expand: Option<bool>,
    focus_on_click: Option<bool>,
    halign: Option<Align>,
    has_default: Option<bool>,
    has_focus: Option<bool>,
    has_tooltip: Option<bool>,
    height_request: Option<i32>,
    hexpand: Option<bool>,
    hexpand_set: Option<bool>,
    is_focus: Option<bool>,
    margin: Option<i32>,
    margin_bottom: Option<i32>,
    margin_end: Option<i32>,
    margin_start: Option<i32>,
    margin_top: Option<i32>,
    name: Option<String>,
    no_show_all: Option<bool>,
    opacity: Option<f64>,
    parent: Option<Container>,
    receives_default: Option<bool>,
    sensitive: Option<bool>,
    tooltip_markup: Option<String>,
    tooltip_text: Option<String>,
    valign: Option<Align>,
    vexpand: Option<bool>,
    vexpand_set: Option<bool>,
    visible: Option<bool>,
    width_request: Option<i32>,
}

impl MenuBuilder {
    // rustdoc-stripper-ignore-next
    /// Create a new [`MenuBuilder`].
    pub fn new() -> Self {
        Self::default()
    }

    // rustdoc-stripper-ignore-next
    /// Build the [`Menu`].
    #[must_use = "Building the object from the builder is usually expensive and is not expected to have side effects"]
    pub fn build(self) -> Menu {
        let mut properties: Vec<(&str, &dyn ToValue)> = vec![];
        if let Some(ref accel_group) = self.accel_group {
            properties.push(("accel-group", accel_group));
        }
        if let Some(ref accel_path) = self.accel_path {
            properties.push(("accel-path", accel_path));
        }
        if let Some(ref active) = self.active {
            properties.push(("active", active));
        }
        if let Some(ref anchor_hints) = self.anchor_hints {
            properties.push(("anchor-hints", anchor_hints));
        }
        if let Some(ref attach_widget) = self.attach_widget {
            properties.push(("attach-widget", attach_widget));
        }
        if let Some(ref menu_type_hint) = self.menu_type_hint {
            properties.push(("menu-type-hint", menu_type_hint));
        }
        if let Some(ref monitor) = self.monitor {
            properties.push(("monitor", monitor));
        }
        if let Some(ref rect_anchor_dx) = self.rect_anchor_dx {
            properties.push(("rect-anchor-dx", rect_anchor_dx));
        }
        if let Some(ref rect_anchor_dy) = self.rect_anchor_dy {
            properties.push(("rect-anchor-dy", rect_anchor_dy));
        }
        if let Some(ref reserve_toggle_size) = self.reserve_toggle_size {
            properties.push(("reserve-toggle-size", reserve_toggle_size));
        }
        if let Some(ref take_focus) = self.take_focus {
            properties.push(("take-focus", take_focus));
        }
        if let Some(ref border_width) = self.border_width {
            properties.push(("border-width", border_width));
        }
        if let Some(ref child) = self.child {
            properties.push(("child", child));
        }
        if let Some(ref resize_mode) = self.resize_mode {
            properties.push(("resize-mode", resize_mode));
        }
        if let Some(ref app_paintable) = self.app_paintable {
            properties.push(("app-paintable", app_paintable));
        }
        if let Some(ref can_default) = self.can_default {
            properties.push(("can-default", can_default));
        }
        if let Some(ref can_focus) = self.can_focus {
            properties.push(("can-focus", can_focus));
        }
        if let Some(ref events) = self.events {
            properties.push(("events", events));
        }
        if let Some(ref expand) = self.expand {
            properties.push(("expand", expand));
        }
        if let Some(ref focus_on_click) = self.focus_on_click {
            properties.push(("focus-on-click", focus_on_click));
        }
        if let Some(ref halign) = self.halign {
            properties.push(("halign", halign));
        }
        if let Some(ref has_default) = self.has_default {
            properties.push(("has-default", has_default));
        }
        if let Some(ref has_focus) = self.has_focus {
            properties.push(("has-focus", has_focus));
        }
        if let Some(ref has_tooltip) = self.has_tooltip {
            properties.push(("has-tooltip", has_tooltip));
        }
        if let Some(ref height_request) = self.height_request {
            properties.push(("height-request", height_request));
        }
        if let Some(ref hexpand) = self.hexpand {
            properties.push(("hexpand", hexpand));
        }
        if let Some(ref hexpand_set) = self.hexpand_set {
            properties.push(("hexpand-set", hexpand_set));
        }
        if let Some(ref is_focus) = self.is_focus {
            properties.push(("is-focus", is_focus));
        }
        if let Some(ref margin) = self.margin {
            properties.push(("margin", margin));
        }
        if let Some(ref margin_bottom) = self.margin_bottom {
            properties.push(("margin-bottom", margin_bottom));
        }
        if let Some(ref margin_end) = self.margin_end {
            properties.push(("margin-end", margin_end));
        }
        if let Some(ref margin_start) = self.margin_start {
            properties.push(("margin-start", margin_start));
        }
        if let Some(ref margin_top) = self.margin_top {
            properties.push(("margin-top", margin_top));
        }
        if let Some(ref name) = self.name {
            properties.push(("name", name));
        }
        if let Some(ref no_show_all) = self.no_show_all {
            properties.push(("no-show-all", no_show_all));
        }
        if let Some(ref opacity) = self.opacity {
            properties.push(("opacity", opacity));
        }
        if let Some(ref parent) = self.parent {
            properties.push(("parent", parent));
        }
        if let Some(ref receives_default) = self.receives_default {
            properties.push(("receives-default", receives_default));
        }
        if let Some(ref sensitive) = self.sensitive {
            properties.push(("sensitive", sensitive));
        }
        if let Some(ref tooltip_markup) = self.tooltip_markup {
            properties.push(("tooltip-markup", tooltip_markup));
        }
        if let Some(ref tooltip_text) = self.tooltip_text {
            properties.push(("tooltip-text", tooltip_text));
        }
        if let Some(ref valign) = self.valign {
            properties.push(("valign", valign));
        }
        if let Some(ref vexpand) = self.vexpand {
            properties.push(("vexpand", vexpand));
        }
        if let Some(ref vexpand_set) = self.vexpand_set {
            properties.push(("vexpand-set", vexpand_set));
        }
        if let Some(ref visible) = self.visible {
            properties.push(("visible", visible));
        }
        if let Some(ref width_request) = self.width_request {
            properties.push(("width-request", width_request));
        }
        glib::Object::new::<Menu>(&properties)
    }

    /// The accel group holding accelerators for the menu.
    pub fn accel_group(mut self, accel_group: &impl IsA<AccelGroup>) -> Self {
        self.accel_group = Some(accel_group.clone().upcast());
        self
    }

    /// An accel path used to conveniently construct accel paths of child items.
    pub fn accel_path(mut self, accel_path: &str) -> Self {
        self.accel_path = Some(accel_path.to_string());
        self
    }

    /// The index of the currently selected menu item, or -1 if no
    /// menu item is selected.
    pub fn active(mut self, active: i32) -> Self {
        self.active = Some(active);
        self
    }

    /// Positioning hints for aligning the menu relative to a rectangle.
    ///
    /// These hints determine how the menu should be positioned in the case that
    /// the menu would fall off-screen if placed in its ideal position.
    ///
    /// ![](popup-flip.png)
    ///
    /// For example, [`gdk::AnchorHints::FLIP_Y`][crate::gdk::AnchorHints::FLIP_Y] will replace [`gdk::Gravity::NorthWest`][crate::gdk::Gravity::NorthWest] with
    /// [`gdk::Gravity::SouthWest`][crate::gdk::Gravity::SouthWest] and vice versa if the menu extends beyond the
    /// bottom edge of the monitor.
    ///
    /// See gtk_menu_popup_at_rect (), gtk_menu_popup_at_widget (),
    /// gtk_menu_popup_at_pointer (), `property::Menu::rect-anchor-dx`,
    /// `property::Menu::rect-anchor-dy`, `property::Menu::menu-type-hint`, and `signal::Menu::popped-up`.
    pub fn anchor_hints(mut self, anchor_hints: gdk::AnchorHints) -> Self {
        self.anchor_hints = Some(anchor_hints);
        self
    }

    /// The widget the menu is attached to. Setting this property attaches
    /// the menu without a `GtkMenuDetachFunc`. If you need to use a detacher,
    /// use `gtk_menu_attach_to_widget()` directly.
    pub fn attach_widget(mut self, attach_widget: &impl IsA<Widget>) -> Self {
        self.attach_widget = Some(attach_widget.clone().upcast());
        self
    }

    /// The [`gdk::WindowTypeHint`][crate::gdk::WindowTypeHint] to use for the menu's [`gdk::Window`][crate::gdk::Window].
    ///
    /// See gtk_menu_popup_at_rect (), gtk_menu_popup_at_widget (),
    /// gtk_menu_popup_at_pointer (), `property::Menu::anchor-hints`,
    /// `property::Menu::rect-anchor-dx`, `property::Menu::rect-anchor-dy`, and `signal::Menu::popped-up`.
    pub fn menu_type_hint(mut self, menu_type_hint: gdk::WindowTypeHint) -> Self {
        self.menu_type_hint = Some(menu_type_hint);
        self
    }

    /// The monitor the menu will be popped up on.
    pub fn monitor(mut self, monitor: i32) -> Self {
        self.monitor = Some(monitor);
        self
    }

    /// Horizontal offset to apply to the menu, i.e. the rectangle or widget
    /// anchor.
    ///
    /// See gtk_menu_popup_at_rect (), gtk_menu_popup_at_widget (),
    /// gtk_menu_popup_at_pointer (), `property::Menu::anchor-hints`,
    /// `property::Menu::rect-anchor-dy`, `property::Menu::menu-type-hint`, and `signal::Menu::popped-up`.
    pub fn rect_anchor_dx(mut self, rect_anchor_dx: i32) -> Self {
        self.rect_anchor_dx = Some(rect_anchor_dx);
        self
    }

    /// Vertical offset to apply to the menu, i.e. the rectangle or widget anchor.
    ///
    /// See gtk_menu_popup_at_rect (), gtk_menu_popup_at_widget (),
    /// gtk_menu_popup_at_pointer (), `property::Menu::anchor-hints`,
    /// `property::Menu::rect-anchor-dx`, `property::Menu::menu-type-hint`, and `signal::Menu::popped-up`.
    pub fn rect_anchor_dy(mut self, rect_anchor_dy: i32) -> Self {
        self.rect_anchor_dy = Some(rect_anchor_dy);
        self
    }

    /// A boolean that indicates whether the menu reserves space for
    /// toggles and icons, regardless of their actual presence.
    ///
    /// This property should only be changed from its default value
    /// for special-purposes such as tabular menus. Regular menus that
    /// are connected to a menu bar or context menus should reserve
    /// toggle space for consistency.
    pub fn reserve_toggle_size(mut self, reserve_toggle_size: bool) -> Self {
        self.reserve_toggle_size = Some(reserve_toggle_size);
        self
    }

    /// A boolean that determines whether the menu and its submenus grab the
    /// keyboard focus. See [`MenuShellExt::set_take_focus()`][crate::prelude::MenuShellExt::set_take_focus()] and
    /// [`MenuShellExt::takes_focus()`][crate::prelude::MenuShellExt::takes_focus()].
    pub fn take_focus(mut self, take_focus: bool) -> Self {
        self.take_focus = Some(take_focus);
        self
    }

    pub fn border_width(mut self, border_width: u32) -> Self {
        self.border_width = Some(border_width);
        self
    }

    pub fn child(mut self, child: &impl IsA<Widget>) -> Self {
        self.child = Some(child.clone().upcast());
        self
    }

    pub fn resize_mode(mut self, resize_mode: ResizeMode) -> Self {
        self.resize_mode = Some(resize_mode);
        self
    }

    pub fn app_paintable(mut self, app_paintable: bool) -> Self {
        self.app_paintable = Some(app_paintable);
        self
    }

    pub fn can_default(mut self, can_default: bool) -> Self {
        self.can_default = Some(can_default);
        self
    }

    pub fn can_focus(mut self, can_focus: bool) -> Self {
        self.can_focus = Some(can_focus);
        self
    }

    pub fn events(mut self, events: gdk::EventMask) -> Self {
        self.events = Some(events);
        self
    }

    /// Whether to expand in both directions. Setting this sets both `property::Widget::hexpand` and `property::Widget::vexpand`
    pub fn expand(mut self, expand: bool) -> Self {
        self.expand = Some(expand);
        self
    }

    /// 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(mut self, focus_on_click: bool) -> Self {
        self.focus_on_click = Some(focus_on_click);
        self
    }

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

    pub fn has_default(mut self, has_default: bool) -> Self {
        self.has_default = Some(has_default);
        self
    }

    pub fn has_focus(mut self, has_focus: bool) -> Self {
        self.has_focus = Some(has_focus);
        self
    }

    /// Enables or disables the emission of `signal::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 `signal::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(mut self, has_tooltip: bool) -> Self {
        self.has_tooltip = Some(has_tooltip);
        self
    }

    pub fn height_request(mut self, height_request: i32) -> Self {
        self.height_request = Some(height_request);
        self
    }

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

    /// Whether to use the `property::Widget::hexpand` property. See [`WidgetExt::is_hexpand_set()`][crate::prelude::WidgetExt::is_hexpand_set()].
    pub fn hexpand_set(mut self, hexpand_set: bool) -> Self {
        self.hexpand_set = Some(hexpand_set);
        self
    }

    pub fn is_focus(mut self, is_focus: bool) -> Self {
        self.is_focus = Some(is_focus);
        self
    }

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

    /// 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(mut self, margin_bottom: i32) -> Self {
        self.margin_bottom = Some(margin_bottom);
        self
    }

    /// 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(mut self, margin_end: i32) -> Self {
        self.margin_end = Some(margin_end);
        self
    }

    /// 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(mut self, margin_start: i32) -> Self {
        self.margin_start = Some(margin_start);
        self
    }

    /// 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(mut self, margin_top: i32) -> Self {
        self.margin_top = Some(margin_top);
        self
    }

    pub fn name(mut self, name: &str) -> Self {
        self.name = Some(name.to_string());
        self
    }

    pub fn no_show_all(mut self, no_show_all: bool) -> Self {
        self.no_show_all = Some(no_show_all);
        self
    }

    /// 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(mut self, opacity: f64) -> Self {
        self.opacity = Some(opacity);
        self
    }

    pub fn parent(mut self, parent: &impl IsA<Container>) -> Self {
        self.parent = Some(parent.clone().upcast());
        self
    }

    pub fn receives_default(mut self, receives_default: bool) -> Self {
        self.receives_default = Some(receives_default);
        self
    }

    pub fn sensitive(mut self, sensitive: bool) -> Self {
        self.sensitive = Some(sensitive);
        self
    }

    /// 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`]: `property::Widget::has-tooltip`
    /// will automatically be set to [`true`] and there will be taken care of
    /// `signal::Widget::query-tooltip` in the default signal handler.
    ///
    /// Note that if both `property::Widget::tooltip-text` and `property::Widget::tooltip-markup`
    /// are set, the last one wins.
    pub fn tooltip_markup(mut self, tooltip_markup: &str) -> Self {
        self.tooltip_markup = Some(tooltip_markup.to_string());
        self
    }

    /// 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`]: `property::Widget::has-tooltip`
    /// will automatically be set to [`true`] and there will be taken care of
    /// `signal::Widget::query-tooltip` in the default signal handler.
    ///
    /// Note that if both `property::Widget::tooltip-text` and `property::Widget::tooltip-markup`
    /// are set, the last one wins.
    pub fn tooltip_text(mut self, tooltip_text: &str) -> Self {
        self.tooltip_text = Some(tooltip_text.to_string());
        self
    }

    /// How to distribute vertical space if widget gets extra space, see [`Align`][crate::Align]
    pub fn valign(mut self, valign: Align) -> Self {
        self.valign = Some(valign);
        self
    }

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

    /// Whether to use the `property::Widget::vexpand` property. See [`WidgetExt::is_vexpand_set()`][crate::prelude::WidgetExt::is_vexpand_set()].
    pub fn vexpand_set(mut self, vexpand_set: bool) -> Self {
        self.vexpand_set = Some(vexpand_set);
        self
    }

    pub fn visible(mut self, visible: bool) -> Self {
        self.visible = Some(visible);
        self
    }

    pub fn width_request(mut self, width_request: i32) -> Self {
        self.width_request = Some(width_request);
        self
    }
}

/// Trait containing all [`struct@Menu`] methods.
///
/// # Implementors
///
/// [`Menu`][struct@crate::Menu], [`RecentChooserMenu`][struct@crate::RecentChooserMenu]
pub trait GtkMenuExt: 'static {
    /// Adds a new [`MenuItem`][crate::MenuItem] to a (table) menu. The number of “cells” that
    /// an item will occupy is specified by `left_attach`, `right_attach`,
    /// `top_attach` and `bottom_attach`. These each represent the leftmost,
    /// rightmost, uppermost and lower column and row numbers of the table.
    /// (Columns and rows are indexed from zero).
    ///
    /// Note that this function is not related to [`detach()`][Self::detach()].
    /// ## `child`
    /// a [`MenuItem`][crate::MenuItem]
    /// ## `left_attach`
    /// The column number to attach the left side of the item to
    /// ## `right_attach`
    /// The column number to attach the right side of the item to
    /// ## `top_attach`
    /// The row number to attach the top of the item to
    /// ## `bottom_attach`
    /// The row number to attach the bottom of the item to
    #[doc(alias = "gtk_menu_attach")]
    fn attach(
        &self,
        child: &impl IsA<Widget>,
        left_attach: u32,
        right_attach: u32,
        top_attach: u32,
        bottom_attach: u32,
    );

    /// Detaches the menu from the widget to which it had been attached.
    /// This function will call the callback function, `detacher`, provided
    /// when the `gtk_menu_attach_to_widget()` function was called.
    #[doc(alias = "gtk_menu_detach")]
    fn detach(&self);

    /// Gets the [`AccelGroup`][crate::AccelGroup] which holds global accelerators for the
    /// menu. See [`set_accel_group()`][Self::set_accel_group()].
    ///
    /// # Returns
    ///
    /// the [`AccelGroup`][crate::AccelGroup] associated with the menu
    #[doc(alias = "gtk_menu_get_accel_group")]
    #[doc(alias = "get_accel_group")]
    fn accel_group(&self) -> Option<AccelGroup>;

    /// Retrieves the accelerator path set on the menu.
    ///
    /// # Returns
    ///
    /// the accelerator path set on the menu.
    #[doc(alias = "gtk_menu_get_accel_path")]
    #[doc(alias = "get_accel_path")]
    fn accel_path(&self) -> Option<glib::GString>;

    /// Returns the selected menu item from the menu. This is used by the
    /// [`ComboBox`][crate::ComboBox].
    ///
    /// # Returns
    ///
    /// the [`MenuItem`][crate::MenuItem] that was last selected
    ///  in the menu. If a selection has not yet been made, the
    ///  first menu item is selected.
    #[doc(alias = "gtk_menu_get_active")]
    #[doc(alias = "get_active")]
    fn active(&self) -> Option<Widget>;

    /// Returns the [`Widget`][crate::Widget] that the menu is attached to.
    ///
    /// # Returns
    ///
    /// the [`Widget`][crate::Widget] that the menu is attached to
    #[doc(alias = "gtk_menu_get_attach_widget")]
    #[doc(alias = "get_attach_widget")]
    fn attach_widget(&self) -> Option<Widget>;

    /// Retrieves the number of the monitor on which to show the menu.
    ///
    /// # Returns
    ///
    /// the number of the monitor on which the menu should
    ///  be popped up or -1, if no monitor has been set
    #[doc(alias = "gtk_menu_get_monitor")]
    #[doc(alias = "get_monitor")]
    fn monitor(&self) -> i32;

    /// Returns whether the menu reserves space for toggles and
    /// icons, regardless of their actual presence.
    ///
    /// # Returns
    ///
    /// Whether the menu reserves toggle space
    #[doc(alias = "gtk_menu_get_reserve_toggle_size")]
    #[doc(alias = "get_reserve_toggle_size")]
    fn must_reserve_toggle_size(&self) -> bool;

    /// Places `self` on the given monitor.
    /// ## `monitor`
    /// the monitor to place the menu on
    #[doc(alias = "gtk_menu_place_on_monitor")]
    fn place_on_monitor(&self, monitor: &gdk::Monitor);

    /// Removes the menu from the screen.
    #[doc(alias = "gtk_menu_popdown")]
    fn popdown(&self);

    /// Displays `self` and makes it available for selection.
    ///
    /// See gtk_menu_popup_at_widget () to pop up a menu at a widget.
    /// gtk_menu_popup_at_rect () also allows you to position a menu at an arbitrary
    /// rectangle.
    ///
    /// `self` will be positioned at the pointer associated with `trigger_event`.
    ///
    /// Properties that influence the behaviour of this function are
    /// `property::Menu::anchor-hints`, `property::Menu::rect-anchor-dx`, `property::Menu::rect-anchor-dy`, and
    /// `property::Menu::menu-type-hint`. Connect to the `signal::Menu::popped-up` signal to find
    /// out how it was actually positioned.
    /// ## `trigger_event`
    /// the `GdkEvent` that initiated this request or
    ///  [`None`] if it's the current event
    #[doc(alias = "gtk_menu_popup_at_pointer")]
    fn popup_at_pointer(&self, trigger_event: Option<&gdk::Event>);

    /// Displays `self` and makes it available for selection.
    ///
    /// See gtk_menu_popup_at_widget () and gtk_menu_popup_at_pointer (), which
    /// handle more common cases for popping up menus.
    ///
    /// `self` will be positioned at `rect`, aligning their anchor points. `rect` is
    /// relative to the top-left corner of `rect_window`. `rect_anchor` and
    /// `menu_anchor` determine anchor points on `rect` and `self` to pin together.
    /// `self` can optionally be offset by `property::Menu::rect-anchor-dx` and
    /// `property::Menu::rect-anchor-dy`.
    ///
    /// Anchors should be specified under the assumption that the text direction is
    /// left-to-right; they will be flipped horizontally automatically if the text
    /// direction is right-to-left.
    ///
    /// Other properties that influence the behaviour of this function are
    /// `property::Menu::anchor-hints` and `property::Menu::menu-type-hint`. Connect to the
    /// `signal::Menu::popped-up` signal to find out how it was actually positioned.
    /// ## `rect_window`
    /// the [`gdk::Window`][crate::gdk::Window] `rect` is relative to
    /// ## `rect`
    /// the [`gdk::Rectangle`][crate::gdk::Rectangle] to align `self` with
    /// ## `rect_anchor`
    /// the point on `rect` to align with `self`'s anchor point
    /// ## `menu_anchor`
    /// the point on `self` to align with `rect`'s anchor point
    /// ## `trigger_event`
    /// the `GdkEvent` that initiated this request or
    ///  [`None`] if it's the current event
    #[doc(alias = "gtk_menu_popup_at_rect")]
    fn popup_at_rect(
        &self,
        rect_window: &gdk::Window,
        rect: &gdk::Rectangle,
        rect_anchor: gdk::Gravity,
        menu_anchor: gdk::Gravity,
        trigger_event: Option<&gdk::Event>,
    );

    /// Displays `self` and makes it available for selection.
    ///
    /// See gtk_menu_popup_at_pointer () to pop up a menu at the master pointer.
    /// gtk_menu_popup_at_rect () also allows you to position a menu at an arbitrary
    /// rectangle.
    ///
    /// ![](popup-anchors.png)
    ///
    /// `self` will be positioned at `widget`, aligning their anchor points.
    /// `widget_anchor` and `menu_anchor` determine anchor points on `widget` and `self`
    /// to pin together. `self` can optionally be offset by `property::Menu::rect-anchor-dx`
    /// and `property::Menu::rect-anchor-dy`.
    ///
    /// Anchors should be specified under the assumption that the text direction is
    /// left-to-right; they will be flipped horizontally automatically if the text
    /// direction is right-to-left.
    ///
    /// Other properties that influence the behaviour of this function are
    /// `property::Menu::anchor-hints` and `property::Menu::menu-type-hint`. Connect to the
    /// `signal::Menu::popped-up` signal to find out how it was actually positioned.
    /// ## `widget`
    /// the [`Widget`][crate::Widget] to align `self` with
    /// ## `widget_anchor`
    /// the point on `widget` to align with `self`'s anchor point
    /// ## `menu_anchor`
    /// the point on `self` to align with `widget`'s anchor point
    /// ## `trigger_event`
    /// the `GdkEvent` that initiated this request or
    ///  [`None`] if it's the current event
    #[doc(alias = "gtk_menu_popup_at_widget")]
    fn popup_at_widget(
        &self,
        widget: &impl IsA<Widget>,
        widget_anchor: gdk::Gravity,
        menu_anchor: gdk::Gravity,
        trigger_event: Option<&gdk::Event>,
    );

    /// Moves `child` to a new `position` in the list of `self`
    /// children.
    /// ## `child`
    /// the [`MenuItem`][crate::MenuItem] to move
    /// ## `position`
    /// the new position to place `child`.
    ///  Positions are numbered from 0 to n - 1
    #[doc(alias = "gtk_menu_reorder_child")]
    fn reorder_child(&self, child: &impl IsA<Widget>, position: i32);

    /// Repositions the menu according to its position function.
    #[doc(alias = "gtk_menu_reposition")]
    fn reposition(&self);

    /// Set the [`AccelGroup`][crate::AccelGroup] which holds global accelerators for the
    /// menu. This accelerator group needs to also be added to all windows
    /// that this menu is being used in with [`GtkWindowExt::add_accel_group()`][crate::prelude::GtkWindowExt::add_accel_group()],
    /// in order for those windows to support all the accelerators
    /// contained in this group.
    /// ## `accel_group`
    /// the [`AccelGroup`][crate::AccelGroup] to be associated
    ///  with the menu.
    #[doc(alias = "gtk_menu_set_accel_group")]
    fn set_accel_group(&self, accel_group: Option<&impl IsA<AccelGroup>>);

    /// Sets an accelerator path for this menu from which accelerator paths
    /// for its immediate children, its menu items, can be constructed.
    /// The main purpose of this function is to spare the programmer the
    /// inconvenience of having to call [`GtkMenuItemExt::set_accel_path()`][crate::prelude::GtkMenuItemExt::set_accel_path()] on
    /// each menu item that should support runtime user changable accelerators.
    /// Instead, by just calling [`set_accel_path()`][Self::set_accel_path()] on their parent,
    /// each menu item of this menu, that contains a label describing its
    /// purpose, automatically gets an accel path assigned.
    ///
    /// For example, a menu containing menu items “New” and “Exit”, will, after
    /// `gtk_menu_set_accel_path (menu, "`<Gnumeric-Sheet>`/File");` has been
    /// called, assign its items the accel paths: `"`<Gnumeric-Sheet>`/File/New"`
    /// and `"`<Gnumeric-Sheet>`/File/Exit"`.
    ///
    /// Assigning accel paths to menu items then enables the user to change
    /// their accelerators at runtime. More details about accelerator paths
    /// and their default setups can be found at `gtk_accel_map_add_entry()`.
    ///
    /// Note that `accel_path` string will be stored in a `GQuark`. Therefore,
    /// if you pass a static string, you can save some memory by interning
    /// it first with `g_intern_static_string()`.
    /// ## `accel_path`
    /// a valid accelerator path, or [`None`] to unset the path
    #[doc(alias = "gtk_menu_set_accel_path")]
    fn set_accel_path(&self, accel_path: Option<&str>);

    /// Selects the specified menu item within the menu. This is used by
    /// the [`ComboBox`][crate::ComboBox] and should not be used by anyone else.
    /// ## `index`
    /// the index of the menu item to select. Index values are
    ///  from 0 to n-1
    #[doc(alias = "gtk_menu_set_active")]
    fn set_active(&self, index: u32);

    /// Informs GTK+ on which monitor a menu should be popped up.
    /// See [`Monitor::geometry()`][crate::gdk::Monitor::geometry()].
    ///
    /// This function should be called from a `GtkMenuPositionFunc`
    /// if the menu should not appear on the same monitor as the pointer.
    /// This information can’t be reliably inferred from the coordinates
    /// returned by a `GtkMenuPositionFunc`, since, for very long menus,
    /// these coordinates may extend beyond the monitor boundaries or even
    /// the screen boundaries.
    /// ## `monitor_num`
    /// the number of the monitor on which the menu should
    ///  be popped up
    #[doc(alias = "gtk_menu_set_monitor")]
    fn set_monitor(&self, monitor_num: i32);

    /// Sets whether the menu should reserve space for drawing toggles
    /// or icons, regardless of their actual presence.
    /// ## `reserve_toggle_size`
    /// whether to reserve size for toggles
    #[doc(alias = "gtk_menu_set_reserve_toggle_size")]
    fn set_reserve_toggle_size(&self, reserve_toggle_size: bool);

    /// Sets the [`gdk::Screen`][crate::gdk::Screen] on which the menu will be displayed.
    /// ## `screen`
    /// a [`gdk::Screen`][crate::gdk::Screen], or [`None`] if the screen should be
    ///  determined by the widget the menu is attached to
    #[doc(alias = "gtk_menu_set_screen")]
    fn set_screen(&self, screen: Option<&gdk::Screen>);

    /// Positioning hints for aligning the menu relative to a rectangle.
    ///
    /// These hints determine how the menu should be positioned in the case that
    /// the menu would fall off-screen if placed in its ideal position.
    ///
    /// ![](popup-flip.png)
    ///
    /// For example, [`gdk::AnchorHints::FLIP_Y`][crate::gdk::AnchorHints::FLIP_Y] will replace [`gdk::Gravity::NorthWest`][crate::gdk::Gravity::NorthWest] with
    /// [`gdk::Gravity::SouthWest`][crate::gdk::Gravity::SouthWest] and vice versa if the menu extends beyond the
    /// bottom edge of the monitor.
    ///
    /// See gtk_menu_popup_at_rect (), gtk_menu_popup_at_widget (),
    /// gtk_menu_popup_at_pointer (), `property::Menu::rect-anchor-dx`,
    /// `property::Menu::rect-anchor-dy`, `property::Menu::menu-type-hint`, and `signal::Menu::popped-up`.
    #[doc(alias = "anchor-hints")]
    fn anchor_hints(&self) -> gdk::AnchorHints;

    /// Positioning hints for aligning the menu relative to a rectangle.
    ///
    /// These hints determine how the menu should be positioned in the case that
    /// the menu would fall off-screen if placed in its ideal position.
    ///
    /// ![](popup-flip.png)
    ///
    /// For example, [`gdk::AnchorHints::FLIP_Y`][crate::gdk::AnchorHints::FLIP_Y] will replace [`gdk::Gravity::NorthWest`][crate::gdk::Gravity::NorthWest] with
    /// [`gdk::Gravity::SouthWest`][crate::gdk::Gravity::SouthWest] and vice versa if the menu extends beyond the
    /// bottom edge of the monitor.
    ///
    /// See gtk_menu_popup_at_rect (), gtk_menu_popup_at_widget (),
    /// gtk_menu_popup_at_pointer (), `property::Menu::rect-anchor-dx`,
    /// `property::Menu::rect-anchor-dy`, `property::Menu::menu-type-hint`, and `signal::Menu::popped-up`.
    #[doc(alias = "anchor-hints")]
    fn set_anchor_hints(&self, anchor_hints: gdk::AnchorHints);

    /// The widget the menu is attached to. Setting this property attaches
    /// the menu without a `GtkMenuDetachFunc`. If you need to use a detacher,
    /// use `gtk_menu_attach_to_widget()` directly.
    #[doc(alias = "attach-widget")]
    fn set_attach_widget<P: IsA<Widget>>(&self, attach_widget: Option<&P>);

    /// The [`gdk::WindowTypeHint`][crate::gdk::WindowTypeHint] to use for the menu's [`gdk::Window`][crate::gdk::Window].
    ///
    /// See gtk_menu_popup_at_rect (), gtk_menu_popup_at_widget (),
    /// gtk_menu_popup_at_pointer (), `property::Menu::anchor-hints`,
    /// `property::Menu::rect-anchor-dx`, `property::Menu::rect-anchor-dy`, and `signal::Menu::popped-up`.
    #[doc(alias = "menu-type-hint")]
    fn menu_type_hint(&self) -> gdk::WindowTypeHint;

    /// The [`gdk::WindowTypeHint`][crate::gdk::WindowTypeHint] to use for the menu's [`gdk::Window`][crate::gdk::Window].
    ///
    /// See gtk_menu_popup_at_rect (), gtk_menu_popup_at_widget (),
    /// gtk_menu_popup_at_pointer (), `property::Menu::anchor-hints`,
    /// `property::Menu::rect-anchor-dx`, `property::Menu::rect-anchor-dy`, and `signal::Menu::popped-up`.
    #[doc(alias = "menu-type-hint")]
    fn set_menu_type_hint(&self, menu_type_hint: gdk::WindowTypeHint);

    /// Horizontal offset to apply to the menu, i.e. the rectangle or widget
    /// anchor.
    ///
    /// See gtk_menu_popup_at_rect (), gtk_menu_popup_at_widget (),
    /// gtk_menu_popup_at_pointer (), `property::Menu::anchor-hints`,
    /// `property::Menu::rect-anchor-dy`, `property::Menu::menu-type-hint`, and `signal::Menu::popped-up`.
    #[doc(alias = "rect-anchor-dx")]
    fn rect_anchor_dx(&self) -> i32;

    /// Horizontal offset to apply to the menu, i.e. the rectangle or widget
    /// anchor.
    ///
    /// See gtk_menu_popup_at_rect (), gtk_menu_popup_at_widget (),
    /// gtk_menu_popup_at_pointer (), `property::Menu::anchor-hints`,
    /// `property::Menu::rect-anchor-dy`, `property::Menu::menu-type-hint`, and `signal::Menu::popped-up`.
    #[doc(alias = "rect-anchor-dx")]
    fn set_rect_anchor_dx(&self, rect_anchor_dx: i32);

    /// Vertical offset to apply to the menu, i.e. the rectangle or widget anchor.
    ///
    /// See gtk_menu_popup_at_rect (), gtk_menu_popup_at_widget (),
    /// gtk_menu_popup_at_pointer (), `property::Menu::anchor-hints`,
    /// `property::Menu::rect-anchor-dx`, `property::Menu::menu-type-hint`, and `signal::Menu::popped-up`.
    #[doc(alias = "rect-anchor-dy")]
    fn rect_anchor_dy(&self) -> i32;

    /// Vertical offset to apply to the menu, i.e. the rectangle or widget anchor.
    ///
    /// See gtk_menu_popup_at_rect (), gtk_menu_popup_at_widget (),
    /// gtk_menu_popup_at_pointer (), `property::Menu::anchor-hints`,
    /// `property::Menu::rect-anchor-dx`, `property::Menu::menu-type-hint`, and `signal::Menu::popped-up`.
    #[doc(alias = "rect-anchor-dy")]
    fn set_rect_anchor_dy(&self, rect_anchor_dy: i32);

    #[doc(alias = "item.bottom-attach")]
    fn item_bottom_attach<T: IsA<MenuItem>>(&self, item: &T) -> i32;

    #[doc(alias = "item.bottom-attach")]
    fn set_item_bottom_attach<T: IsA<MenuItem>>(&self, item: &T, bottom_attach: i32);

    #[doc(alias = "item.left-attach")]
    fn item_left_attach<T: IsA<MenuItem>>(&self, item: &T) -> i32;

    #[doc(alias = "item.left-attach")]
    fn set_item_left_attach<T: IsA<MenuItem>>(&self, item: &T, left_attach: i32);

    #[doc(alias = "item.right-attach")]
    fn item_right_attach<T: IsA<MenuItem>>(&self, item: &T) -> i32;

    #[doc(alias = "item.right-attach")]
    fn set_item_right_attach<T: IsA<MenuItem>>(&self, item: &T, right_attach: i32);

    #[doc(alias = "item.top-attach")]
    fn item_top_attach<T: IsA<MenuItem>>(&self, item: &T) -> i32;

    #[doc(alias = "item.top-attach")]
    fn set_item_top_attach<T: IsA<MenuItem>>(&self, item: &T, top_attach: i32);

    /// ## `scroll_type`
    /// a [`ScrollType`][crate::ScrollType]
    #[doc(alias = "move-scroll")]
    fn connect_move_scroll<F: Fn(&Self, ScrollType) + 'static>(&self, f: F) -> SignalHandlerId;

    fn emit_move_scroll(&self, scroll_type: ScrollType);

    //#[doc(alias = "popped-up")]
    //fn connect_popped_up<Unsupported or ignored types>(&self, f: F) -> SignalHandlerId;

    #[doc(alias = "accel-group")]
    fn connect_accel_group_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;

    #[doc(alias = "accel-path")]
    fn connect_accel_path_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;

    #[doc(alias = "active")]
    fn connect_active_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;

    #[doc(alias = "anchor-hints")]
    fn connect_anchor_hints_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;

    #[doc(alias = "attach-widget")]
    fn connect_attach_widget_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;

    #[doc(alias = "menu-type-hint")]
    fn connect_menu_type_hint_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;

    #[doc(alias = "monitor")]
    fn connect_monitor_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;

    #[doc(alias = "rect-anchor-dx")]
    fn connect_rect_anchor_dx_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;

    #[doc(alias = "rect-anchor-dy")]
    fn connect_rect_anchor_dy_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;

    #[doc(alias = "reserve-toggle-size")]
    fn connect_reserve_toggle_size_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
}

impl<O: IsA<Menu>> GtkMenuExt for O {
    fn attach(
        &self,
        child: &impl IsA<Widget>,
        left_attach: u32,
        right_attach: u32,
        top_attach: u32,
        bottom_attach: u32,
    ) {
        unsafe {
            ffi::gtk_menu_attach(
                self.as_ref().to_glib_none().0,
                child.as_ref().to_glib_none().0,
                left_attach,
                right_attach,
                top_attach,
                bottom_attach,
            );
        }
    }

    fn detach(&self) {
        unsafe {
            ffi::gtk_menu_detach(self.as_ref().to_glib_none().0);
        }
    }

    fn accel_group(&self) -> Option<AccelGroup> {
        unsafe {
            from_glib_none(ffi::gtk_menu_get_accel_group(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn accel_path(&self) -> Option<glib::GString> {
        unsafe { from_glib_none(ffi::gtk_menu_get_accel_path(self.as_ref().to_glib_none().0)) }
    }

    fn active(&self) -> Option<Widget> {
        unsafe { from_glib_none(ffi::gtk_menu_get_active(self.as_ref().to_glib_none().0)) }
    }

    fn attach_widget(&self) -> Option<Widget> {
        unsafe {
            from_glib_none(ffi::gtk_menu_get_attach_widget(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn monitor(&self) -> i32 {
        unsafe { ffi::gtk_menu_get_monitor(self.as_ref().to_glib_none().0) }
    }

    fn must_reserve_toggle_size(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_menu_get_reserve_toggle_size(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn place_on_monitor(&self, monitor: &gdk::Monitor) {
        unsafe {
            ffi::gtk_menu_place_on_monitor(
                self.as_ref().to_glib_none().0,
                monitor.to_glib_none().0,
            );
        }
    }

    fn popdown(&self) {
        unsafe {
            ffi::gtk_menu_popdown(self.as_ref().to_glib_none().0);
        }
    }

    fn popup_at_pointer(&self, trigger_event: Option<&gdk::Event>) {
        unsafe {
            ffi::gtk_menu_popup_at_pointer(
                self.as_ref().to_glib_none().0,
                trigger_event.to_glib_none().0,
            );
        }
    }

    fn popup_at_rect(
        &self,
        rect_window: &gdk::Window,
        rect: &gdk::Rectangle,
        rect_anchor: gdk::Gravity,
        menu_anchor: gdk::Gravity,
        trigger_event: Option<&gdk::Event>,
    ) {
        unsafe {
            ffi::gtk_menu_popup_at_rect(
                self.as_ref().to_glib_none().0,
                rect_window.to_glib_none().0,
                rect.to_glib_none().0,
                rect_anchor.into_glib(),
                menu_anchor.into_glib(),
                trigger_event.to_glib_none().0,
            );
        }
    }

    fn popup_at_widget(
        &self,
        widget: &impl IsA<Widget>,
        widget_anchor: gdk::Gravity,
        menu_anchor: gdk::Gravity,
        trigger_event: Option<&gdk::Event>,
    ) {
        unsafe {
            ffi::gtk_menu_popup_at_widget(
                self.as_ref().to_glib_none().0,
                widget.as_ref().to_glib_none().0,
                widget_anchor.into_glib(),
                menu_anchor.into_glib(),
                trigger_event.to_glib_none().0,
            );
        }
    }

    fn reorder_child(&self, child: &impl IsA<Widget>, position: i32) {
        unsafe {
            ffi::gtk_menu_reorder_child(
                self.as_ref().to_glib_none().0,
                child.as_ref().to_glib_none().0,
                position,
            );
        }
    }

    fn reposition(&self) {
        unsafe {
            ffi::gtk_menu_reposition(self.as_ref().to_glib_none().0);
        }
    }

    fn set_accel_group(&self, accel_group: Option<&impl IsA<AccelGroup>>) {
        unsafe {
            ffi::gtk_menu_set_accel_group(
                self.as_ref().to_glib_none().0,
                accel_group.map(|p| p.as_ref()).to_glib_none().0,
            );
        }
    }

    fn set_accel_path(&self, accel_path: Option<&str>) {
        unsafe {
            ffi::gtk_menu_set_accel_path(
                self.as_ref().to_glib_none().0,
                accel_path.to_glib_none().0,
            );
        }
    }

    fn set_active(&self, index: u32) {
        unsafe {
            ffi::gtk_menu_set_active(self.as_ref().to_glib_none().0, index);
        }
    }

    fn set_monitor(&self, monitor_num: i32) {
        unsafe {
            ffi::gtk_menu_set_monitor(self.as_ref().to_glib_none().0, monitor_num);
        }
    }

    fn set_reserve_toggle_size(&self, reserve_toggle_size: bool) {
        unsafe {
            ffi::gtk_menu_set_reserve_toggle_size(
                self.as_ref().to_glib_none().0,
                reserve_toggle_size.into_glib(),
            );
        }
    }

    fn set_screen(&self, screen: Option<&gdk::Screen>) {
        unsafe {
            ffi::gtk_menu_set_screen(self.as_ref().to_glib_none().0, screen.to_glib_none().0);
        }
    }

    fn anchor_hints(&self) -> gdk::AnchorHints {
        glib::ObjectExt::property(self.as_ref(), "anchor-hints")
    }

    fn set_anchor_hints(&self, anchor_hints: gdk::AnchorHints) {
        glib::ObjectExt::set_property(self.as_ref(), "anchor-hints", &anchor_hints)
    }

    fn set_attach_widget<P: IsA<Widget>>(&self, attach_widget: Option<&P>) {
        glib::ObjectExt::set_property(self.as_ref(), "attach-widget", &attach_widget)
    }

    fn menu_type_hint(&self) -> gdk::WindowTypeHint {
        glib::ObjectExt::property(self.as_ref(), "menu-type-hint")
    }

    fn set_menu_type_hint(&self, menu_type_hint: gdk::WindowTypeHint) {
        glib::ObjectExt::set_property(self.as_ref(), "menu-type-hint", &menu_type_hint)
    }

    fn rect_anchor_dx(&self) -> i32 {
        glib::ObjectExt::property(self.as_ref(), "rect-anchor-dx")
    }

    fn set_rect_anchor_dx(&self, rect_anchor_dx: i32) {
        glib::ObjectExt::set_property(self.as_ref(), "rect-anchor-dx", &rect_anchor_dx)
    }

    fn rect_anchor_dy(&self) -> i32 {
        glib::ObjectExt::property(self.as_ref(), "rect-anchor-dy")
    }

    fn set_rect_anchor_dy(&self, rect_anchor_dy: i32) {
        glib::ObjectExt::set_property(self.as_ref(), "rect-anchor-dy", &rect_anchor_dy)
    }

    fn item_bottom_attach<T: IsA<MenuItem>>(&self, item: &T) -> i32 {
        crate::prelude::ContainerExtManual::child_property(
            self.as_ref(),
            &item.clone().upcast(),
            "bottom-attach",
        )
    }

    fn set_item_bottom_attach<T: IsA<MenuItem>>(&self, item: &T, bottom_attach: i32) {
        crate::prelude::ContainerExtManual::child_set_property(
            self.as_ref(),
            &item.clone().upcast(),
            "bottom-attach",
            &bottom_attach,
        )
    }

    fn item_left_attach<T: IsA<MenuItem>>(&self, item: &T) -> i32 {
        crate::prelude::ContainerExtManual::child_property(
            self.as_ref(),
            &item.clone().upcast(),
            "left-attach",
        )
    }

    fn set_item_left_attach<T: IsA<MenuItem>>(&self, item: &T, left_attach: i32) {
        crate::prelude::ContainerExtManual::child_set_property(
            self.as_ref(),
            &item.clone().upcast(),
            "left-attach",
            &left_attach,
        )
    }

    fn item_right_attach<T: IsA<MenuItem>>(&self, item: &T) -> i32 {
        crate::prelude::ContainerExtManual::child_property(
            self.as_ref(),
            &item.clone().upcast(),
            "right-attach",
        )
    }

    fn set_item_right_attach<T: IsA<MenuItem>>(&self, item: &T, right_attach: i32) {
        crate::prelude::ContainerExtManual::child_set_property(
            self.as_ref(),
            &item.clone().upcast(),
            "right-attach",
            &right_attach,
        )
    }

    fn item_top_attach<T: IsA<MenuItem>>(&self, item: &T) -> i32 {
        crate::prelude::ContainerExtManual::child_property(
            self.as_ref(),
            &item.clone().upcast(),
            "top-attach",
        )
    }

    fn set_item_top_attach<T: IsA<MenuItem>>(&self, item: &T, top_attach: i32) {
        crate::prelude::ContainerExtManual::child_set_property(
            self.as_ref(),
            &item.clone().upcast(),
            "top-attach",
            &top_attach,
        )
    }

    fn connect_move_scroll<F: Fn(&Self, ScrollType) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn move_scroll_trampoline<
            P: IsA<Menu>,
            F: Fn(&P, ScrollType) + 'static,
        >(
            this: *mut ffi::GtkMenu,
            scroll_type: ffi::GtkScrollType,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(
                Menu::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 _,
                b"move-scroll\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    move_scroll_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

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

    //fn connect_popped_up<Unsupported or ignored types>(&self, f: F) -> SignalHandlerId {
    //    Unimplemented flipped_rect: *.Pointer
    //    Unimplemented final_rect: *.Pointer
    //}

    fn connect_accel_group_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_accel_group_trampoline<P: IsA<Menu>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkMenu,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Menu::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::accel-group\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_accel_group_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_accel_path_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_accel_path_trampoline<P: IsA<Menu>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkMenu,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Menu::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::accel-path\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_accel_path_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_active_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_active_trampoline<P: IsA<Menu>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkMenu,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Menu::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::active\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_active_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_anchor_hints_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_anchor_hints_trampoline<P: IsA<Menu>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkMenu,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Menu::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::anchor-hints\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_anchor_hints_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_attach_widget_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_attach_widget_trampoline<P: IsA<Menu>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkMenu,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Menu::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::attach-widget\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_attach_widget_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_menu_type_hint_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_menu_type_hint_trampoline<P: IsA<Menu>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkMenu,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Menu::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::menu-type-hint\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_menu_type_hint_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_monitor_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_monitor_trampoline<P: IsA<Menu>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkMenu,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Menu::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::monitor\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_monitor_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_rect_anchor_dx_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_rect_anchor_dx_trampoline<P: IsA<Menu>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkMenu,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Menu::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::rect-anchor-dx\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_rect_anchor_dx_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_rect_anchor_dy_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_rect_anchor_dy_trampoline<P: IsA<Menu>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkMenu,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Menu::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::rect-anchor-dy\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_rect_anchor_dy_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_reserve_toggle_size_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_reserve_toggle_size_trampoline<
            P: IsA<Menu>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::GtkMenu,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Menu::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::reserve-toggle-size\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_reserve_toggle_size_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

impl fmt::Display for Menu {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.write_str("Menu")
    }
}