// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files.git)
// DO NOT EDIT

use crate::Accessible;
use crate::AccessibleRole;
use crate::Align;
use crate::BaselinePosition;
use crate::Buildable;
use crate::ConstraintTarget;
use crate::LayoutManager;
use crate::Orientable;
use crate::Orientation;
use crate::Overflow;
use crate::Widget;
use glib::object::Cast;
use glib::object::IsA;
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! {
    /// The [`Box`][crate::Box] widget arranges child widgets into a single row or column.
    ///
    /// ![An example GtkBox](box.png)
    ///
    /// Whether it is a row or column depends on the value of its
    /// `property::Orientable::orientation` property. Within the other
    /// dimension, all children are allocated the same size. Of course, the
    /// `property::Widget::halign` and `property::Widget::valign` properties
    /// can be used on the children to influence their allocation.
    ///
    /// Use repeated calls to [``BoxExt::append()``][crate::prelude::`BoxExt::append()`] to pack widgets into a
    /// [`Box`][crate::Box] from start to end. Use [``BoxExt::remove()``][crate::prelude::`BoxExt::remove()`] to remove widgets
    /// from the [`Box`][crate::Box]. [``BoxExt::insert_child_after()``][crate::prelude::`BoxExt::insert_child_after()`] can be used to add
    /// a child at a particular position.
    ///
    /// Use [``BoxExt::set_homogeneous()``][crate::prelude::`BoxExt::set_homogeneous()`] to specify whether or not all children
    /// of the [`Box`][crate::Box] are forced to get the same amount of space.
    ///
    /// Use [``BoxExt::set_spacing()``][crate::prelude::`BoxExt::set_spacing()`] to determine how much space will be minimally
    /// placed between all children in the [`Box`][crate::Box]. Note that spacing is added
    /// *between* the children.
    ///
    /// Use [``BoxExt::reorder_child_after()``][crate::prelude::`BoxExt::reorder_child_after()`] to move a child to a different
    /// place in the box.
    ///
    /// # CSS nodes
    ///
    /// [`Box`][crate::Box] uses a single CSS node with name box.
    ///
    /// # Accessibility
    ///
    /// [`Box`][crate::Box] uses the [`AccessibleRole::Group`][crate::AccessibleRole::Group] role.
    ///
    /// # Implements
    ///
    /// [`BoxExt`][trait@crate::prelude::BoxExt], [`WidgetExt`][trait@crate::prelude::WidgetExt], [`trait@glib::ObjectExt`], [`AccessibleExt`][trait@crate::prelude::AccessibleExt], [`BuildableExt`][trait@crate::prelude::BuildableExt], [`ConstraintTargetExt`][trait@crate::prelude::ConstraintTargetExt], [`OrientableExt`][trait@crate::prelude::OrientableExt], [`WidgetExtManual`][trait@crate::prelude::WidgetExtManual], [`AccessibleExtManual`][trait@crate::prelude::AccessibleExtManual]
    #[doc(alias = "GtkBox")]
    pub struct Box(Object<ffi::GtkBox, ffi::GtkBoxClass>) @extends Widget, @implements Accessible, Buildable, ConstraintTarget, Orientable;

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

impl Box {
    /// Creates a new [`Box`][crate::Box].
    /// ## `orientation`
    /// the box’s orientation
    /// ## `spacing`
    /// the number of pixels to place by default between children
    ///
    /// # Returns
    ///
    /// a new [`Box`][crate::Box].
    #[doc(alias = "gtk_box_new")]
    pub fn new(orientation: Orientation, spacing: i32) -> Box {
        assert_initialized_main_thread!();
        unsafe {
            Widget::from_glib_none(ffi::gtk_box_new(orientation.into_glib(), spacing)).unsafe_cast()
        }
    }

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

impl Default for Box {
    fn default() -> Self {
        glib::object::Object::new::<Self>(&[])
            .expect("Can't construct Box object with default parameters")
    }
}

#[derive(Clone, Default)]
// rustdoc-stripper-ignore-next
/// A [builder-pattern] type to construct [`Box`] objects.
///
/// [builder-pattern]: https://doc.rust-lang.org/1.0.0/style/ownership/builders.html
pub struct BoxBuilder {
    baseline_position: Option<BaselinePosition>,
    homogeneous: Option<bool>,
    spacing: Option<i32>,
    can_focus: Option<bool>,
    can_target: Option<bool>,
    css_classes: Option<Vec<String>>,
    css_name: Option<String>,
    cursor: Option<gdk::Cursor>,
    focus_on_click: Option<bool>,
    focusable: Option<bool>,
    halign: Option<Align>,
    has_tooltip: Option<bool>,
    height_request: Option<i32>,
    hexpand: Option<bool>,
    hexpand_set: Option<bool>,
    layout_manager: Option<LayoutManager>,
    margin_bottom: Option<i32>,
    margin_end: Option<i32>,
    margin_start: Option<i32>,
    margin_top: Option<i32>,
    name: Option<String>,
    opacity: Option<f64>,
    overflow: Option<Overflow>,
    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>,
    accessible_role: Option<AccessibleRole>,
    orientation: Option<Orientation>,
}

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

    // rustdoc-stripper-ignore-next
    /// Build the [`Box`].
    pub fn build(self) -> Box {
        let mut properties: Vec<(&str, &dyn ToValue)> = vec![];
        if let Some(ref baseline_position) = self.baseline_position {
            properties.push(("baseline-position", baseline_position));
        }
        if let Some(ref homogeneous) = self.homogeneous {
            properties.push(("homogeneous", homogeneous));
        }
        if let Some(ref spacing) = self.spacing {
            properties.push(("spacing", spacing));
        }
        if let Some(ref can_focus) = self.can_focus {
            properties.push(("can-focus", can_focus));
        }
        if let Some(ref can_target) = self.can_target {
            properties.push(("can-target", can_target));
        }
        if let Some(ref css_classes) = self.css_classes {
            properties.push(("css-classes", css_classes));
        }
        if let Some(ref css_name) = self.css_name {
            properties.push(("css-name", css_name));
        }
        if let Some(ref cursor) = self.cursor {
            properties.push(("cursor", cursor));
        }
        if let Some(ref focus_on_click) = self.focus_on_click {
            properties.push(("focus-on-click", focus_on_click));
        }
        if let Some(ref focusable) = self.focusable {
            properties.push(("focusable", focusable));
        }
        if let Some(ref halign) = self.halign {
            properties.push(("halign", halign));
        }
        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 layout_manager) = self.layout_manager {
            properties.push(("layout-manager", layout_manager));
        }
        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 opacity) = self.opacity {
            properties.push(("opacity", opacity));
        }
        if let Some(ref overflow) = self.overflow {
            properties.push(("overflow", overflow));
        }
        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));
        }
        if let Some(ref accessible_role) = self.accessible_role {
            properties.push(("accessible-role", accessible_role));
        }
        if let Some(ref orientation) = self.orientation {
            properties.push(("orientation", orientation));
        }
        glib::Object::new::<Box>(&properties).expect("Failed to create an instance of Box")
    }

    /// The position of the baseline aligned widgets if extra space is available.
    pub fn baseline_position(mut self, baseline_position: BaselinePosition) -> Self {
        self.baseline_position = Some(baseline_position);
        self
    }

    /// Whether the children should all be the same size.
    pub fn homogeneous(mut self, homogeneous: bool) -> Self {
        self.homogeneous = Some(homogeneous);
        self
    }

    /// The amount of space between children.
    pub fn spacing(mut self, spacing: i32) -> Self {
        self.spacing = Some(spacing);
        self
    }

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

    /// Whether the widget can receive pointer events.
    pub fn can_target(mut self, can_target: bool) -> Self {
        self.can_target = Some(can_target);
        self
    }

    /// A list of css classes applied to this widget.
    pub fn css_classes(mut self, css_classes: Vec<String>) -> Self {
        self.css_classes = Some(css_classes);
        self
    }

    /// The name of this widget in the CSS tree.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    pub fn css_name(mut self, css_name: &str) -> Self {
        self.css_name = Some(css_name.to_string());
        self
    }

    /// The cursor used by `widget`.
    pub fn cursor(mut self, cursor: &gdk::Cursor) -> Self {
        self.cursor = Some(cursor.clone());
        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.
    pub fn focus_on_click(mut self, focus_on_click: bool) -> Self {
        self.focus_on_click = Some(focus_on_click);
        self
    }

    /// Whether this widget itself will accept the input focus.
    pub fn focusable(mut self, focusable: bool) -> Self {
        self.focusable = Some(focusable);
        self
    }

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

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

    /// Override for height request of the widget.
    ///
    /// If this is -1, the natural request will be used.
    pub fn height_request(mut self, height_request: i32) -> Self {
        self.height_request = Some(height_request);
        self
    }

    /// Whether to expand horizontally.
    pub fn hexpand(mut self, hexpand: bool) -> Self {
        self.hexpand = Some(hexpand);
        self
    }

    /// Whether to use the `hexpand` property.
    pub fn hexpand_set(mut self, hexpand_set: bool) -> Self {
        self.hexpand_set = Some(hexpand_set);
        self
    }

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

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

    /// The requested opacity of the widget.
    pub fn opacity(mut self, opacity: f64) -> Self {
        self.opacity = Some(opacity);
        self
    }

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

    /// Whether the widget will receive the default action when it is focused.
    pub fn receives_default(mut self, receives_default: bool) -> Self {
        self.receives_default = Some(receives_default);
        self
    }

    /// Whether the widget responds to input.
    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 Pango markup.
    ///
    /// Also see [``Tooltip::set_markup()``][crate::`Tooltip::set_markup()`].
    ///
    /// This is a convenience property which will take care of getting the
    /// tooltip shown if the given string is not [`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.
    pub fn valign(mut self, valign: Align) -> Self {
        self.valign = Some(valign);
        self
    }

    /// Whether to expand vertically.
    pub fn vexpand(mut self, vexpand: bool) -> Self {
        self.vexpand = Some(vexpand);
        self
    }

    /// Whether to use the `vexpand` property.
    pub fn vexpand_set(mut self, vexpand_set: bool) -> Self {
        self.vexpand_set = Some(vexpand_set);
        self
    }

    /// Whether the widget is visible.
    pub fn visible(mut self, visible: bool) -> Self {
        self.visible = Some(visible);
        self
    }

    /// Override for width request of the widget.
    ///
    /// If this is -1, the natural request will be used.
    pub fn width_request(mut self, width_request: i32) -> Self {
        self.width_request = Some(width_request);
        self
    }

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

    /// The orientation of the orientable.
    pub fn orientation(mut self, orientation: Orientation) -> Self {
        self.orientation = Some(orientation);
        self
    }
}

pub const NONE_BOX: Option<&Box> = None;

/// Trait containing all [`struct@Box`] methods.
///
/// # Implementors
///
/// [`Box`][struct@crate::Box], [`ShortcutsGroup`][struct@crate::ShortcutsGroup], [`ShortcutsSection`][struct@crate::ShortcutsSection]
pub trait BoxExt: 'static {
    /// Adds `child` as the last child to `self`.
    /// ## `child`
    /// the [`Widget`][crate::Widget] to append
    #[doc(alias = "gtk_box_append")]
    fn append<P: IsA<Widget>>(&self, child: &P);

    /// Gets the value set by [`set_baseline_position()`][Self::set_baseline_position()].
    ///
    /// # Returns
    ///
    /// the baseline position
    #[doc(alias = "gtk_box_get_baseline_position")]
    #[doc(alias = "get_baseline_position")]
    fn baseline_position(&self) -> BaselinePosition;

    /// Returns whether the box is homogeneous (all children are the
    /// same size).
    ///
    /// # Returns
    ///
    /// [`true`] if the box is homogeneous.
    #[doc(alias = "gtk_box_get_homogeneous")]
    #[doc(alias = "get_homogeneous")]
    fn is_homogeneous(&self) -> bool;

    /// Gets the value set by [`set_spacing()`][Self::set_spacing()].
    ///
    /// # Returns
    ///
    /// spacing between children
    #[doc(alias = "gtk_box_get_spacing")]
    #[doc(alias = "get_spacing")]
    fn spacing(&self) -> i32;

    /// Inserts `child` in the position after `sibling` in the list
    /// of `self` children.
    ///
    /// If `sibling` is [`None`], insert `child` at the first position.
    /// ## `child`
    /// the [`Widget`][crate::Widget] to insert
    /// ## `sibling`
    /// the sibling after which to insert `child`
    #[doc(alias = "gtk_box_insert_child_after")]
    fn insert_child_after<P: IsA<Widget>, Q: IsA<Widget>>(&self, child: &P, sibling: Option<&Q>);

    /// Adds `child` as the first child to `self`.
    /// ## `child`
    /// the [`Widget`][crate::Widget] to prepend
    #[doc(alias = "gtk_box_prepend")]
    fn prepend<P: IsA<Widget>>(&self, child: &P);

    /// Removes a child widget from `self`.
    ///
    /// The child must have been added before with
    /// [``append()``][`Self::append()`], [``prepend()``][`Self::prepend()`], or
    /// [``insert_child_after()``][`Self::insert_child_after()`].
    /// ## `child`
    /// the child to remove
    #[doc(alias = "gtk_box_remove")]
    fn remove<P: IsA<Widget>>(&self, child: &P);

    /// Moves `child` to the position after `sibling` in the list
    /// of `self` children.
    ///
    /// If `sibling` is [`None`], move `child` to the first position.
    /// ## `child`
    /// the [`Widget`][crate::Widget] to move, must be a child of `self`
    /// ## `sibling`
    /// the sibling to move `child` after
    #[doc(alias = "gtk_box_reorder_child_after")]
    fn reorder_child_after<P: IsA<Widget>, Q: IsA<Widget>>(&self, child: &P, sibling: Option<&Q>);

    /// Sets the baseline position of a box.
    ///
    /// This affects only horizontal boxes with at least one baseline
    /// aligned child. If there is more vertical space available than
    /// requested, and the baseline is not allocated by the parent then
    /// `position` is used to allocate the baseline with respect to the
    /// extra space available.
    /// ## `position`
    /// a [`BaselinePosition`][crate::BaselinePosition]
    #[doc(alias = "gtk_box_set_baseline_position")]
    fn set_baseline_position(&self, position: BaselinePosition);

    /// Sets whether or not all children of `self` are given equal space
    /// in the box.
    /// ## `homogeneous`
    /// a boolean value, [`true`] to create equal allotments,
    ///  [`false`] for variable allotments
    #[doc(alias = "gtk_box_set_homogeneous")]
    fn set_homogeneous(&self, homogeneous: bool);

    /// Sets the number of pixels to place between children of `self`.
    /// ## `spacing`
    /// the number of pixels to put between children
    #[doc(alias = "gtk_box_set_spacing")]
    fn set_spacing(&self, spacing: i32);

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

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

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

impl<O: IsA<Box>> BoxExt for O {
    fn append<P: IsA<Widget>>(&self, child: &P) {
        unsafe {
            ffi::gtk_box_append(
                self.as_ref().to_glib_none().0,
                child.as_ref().to_glib_none().0,
            );
        }
    }

    fn baseline_position(&self) -> BaselinePosition {
        unsafe {
            from_glib(ffi::gtk_box_get_baseline_position(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn is_homogeneous(&self) -> bool {
        unsafe { from_glib(ffi::gtk_box_get_homogeneous(self.as_ref().to_glib_none().0)) }
    }

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

    fn insert_child_after<P: IsA<Widget>, Q: IsA<Widget>>(&self, child: &P, sibling: Option<&Q>) {
        unsafe {
            ffi::gtk_box_insert_child_after(
                self.as_ref().to_glib_none().0,
                child.as_ref().to_glib_none().0,
                sibling.map(|p| p.as_ref()).to_glib_none().0,
            );
        }
    }

    fn prepend<P: IsA<Widget>>(&self, child: &P) {
        unsafe {
            ffi::gtk_box_prepend(
                self.as_ref().to_glib_none().0,
                child.as_ref().to_glib_none().0,
            );
        }
    }

    fn remove<P: IsA<Widget>>(&self, child: &P) {
        unsafe {
            ffi::gtk_box_remove(
                self.as_ref().to_glib_none().0,
                child.as_ref().to_glib_none().0,
            );
        }
    }

    fn reorder_child_after<P: IsA<Widget>, Q: IsA<Widget>>(&self, child: &P, sibling: Option<&Q>) {
        unsafe {
            ffi::gtk_box_reorder_child_after(
                self.as_ref().to_glib_none().0,
                child.as_ref().to_glib_none().0,
                sibling.map(|p| p.as_ref()).to_glib_none().0,
            );
        }
    }

    fn set_baseline_position(&self, position: BaselinePosition) {
        unsafe {
            ffi::gtk_box_set_baseline_position(
                self.as_ref().to_glib_none().0,
                position.into_glib(),
            );
        }
    }

    fn set_homogeneous(&self, homogeneous: bool) {
        unsafe {
            ffi::gtk_box_set_homogeneous(self.as_ref().to_glib_none().0, homogeneous.into_glib());
        }
    }

    fn set_spacing(&self, spacing: i32) {
        unsafe {
            ffi::gtk_box_set_spacing(self.as_ref().to_glib_none().0, spacing);
        }
    }

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

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

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

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