button.rs

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

use gdk;
use glib;
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::GString;
use glib::StaticType;
use glib::ToValue;
use glib_sys;
use gobject_sys;
use gtk_sys;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem::transmute;
use Actionable;
use Align;
use Bin;
use Buildable;
use Container;
use IconSize;
use PositionType;
use ReliefStyle;
use ResizeMode;
use Widget;

glib_wrapper! {
    pub struct Button(Object<gtk_sys::GtkButton, gtk_sys::GtkButtonClass, ButtonClass>) @extends Bin, Container, Widget, @implements Buildable, Actionable;

    match fn {
        get_type => || gtk_sys::gtk_button_get_type(),
    }
}

impl Button {
    pub fn new() -> Button {
        assert_initialized_main_thread!();
        unsafe { Widget::from_glib_none(gtk_sys::gtk_button_new()).unsafe_cast() }
    }

    pub fn from_icon_name(icon_name: Option<&str>, size: IconSize) -> Button {
        assert_initialized_main_thread!();
        unsafe {
            Widget::from_glib_none(gtk_sys::gtk_button_new_from_icon_name(
                icon_name.to_glib_none().0,
                size.to_glib(),
            ))
            .unsafe_cast()
        }
    }

    pub fn with_label(label: &str) -> Button {
        assert_initialized_main_thread!();
        unsafe {
            Widget::from_glib_none(gtk_sys::gtk_button_new_with_label(label.to_glib_none().0))
                .unsafe_cast()
        }
    }

    pub fn with_mnemonic(label: &str) -> Button {
        assert_initialized_main_thread!();
        unsafe {
            Widget::from_glib_none(gtk_sys::gtk_button_new_with_mnemonic(
                label.to_glib_none().0,
            ))
            .unsafe_cast()
        }
    }
}

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

#[derive(Clone, Default)]
pub struct ButtonBuilder {
    always_show_image: Option<bool>,
    image: Option<Widget>,
    image_position: Option<PositionType>,
    label: Option<String>,
    relief: Option<ReliefStyle>,
    use_underline: 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>,
    #[cfg(any(feature = "v3_20", feature = "dox"))]
    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>,
    action_name: Option<String>,
    action_target: Option<glib::Variant>,
}

impl ButtonBuilder {
    pub fn new() -> Self {
        Self::default()
    }

    pub fn build(self) -> Button {
        let mut properties: Vec<(&str, &dyn ToValue)> = vec![];
        if let Some(ref always_show_image) = self.always_show_image {
            properties.push(("always-show-image", always_show_image));
        }
        if let Some(ref image) = self.image {
            properties.push(("image", image));
        }
        if let Some(ref image_position) = self.image_position {
            properties.push(("image-position", image_position));
        }
        if let Some(ref label) = self.label {
            properties.push(("label", label));
        }
        if let Some(ref relief) = self.relief {
            properties.push(("relief", relief));
        }
        if let Some(ref use_underline) = self.use_underline {
            properties.push(("use-underline", use_underline));
        }
        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));
        }
        #[cfg(any(feature = "v3_20", feature = "dox"))]
        {
            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));
        }
        if let Some(ref action_name) = self.action_name {
            properties.push(("action-name", action_name));
        }
        if let Some(ref action_target) = self.action_target {
            properties.push(("action-target", action_target));
        }
        let ret = glib::Object::new(Button::static_type(), &properties)
            .expect("object new")
            .downcast::<Button>()
            .expect("downcast");
        ret
    }

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

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

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

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

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

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

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

    pub fn child<P: IsA<Widget>>(mut self, child: &P) -> 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
    }

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

    #[cfg(any(feature = "v3_20", feature = "dox"))]
    pub fn focus_on_click(mut self, focus_on_click: bool) -> Self {
        self.focus_on_click = Some(focus_on_click);
        self
    }

    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
    }

    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
    }

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

    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
    }

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

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

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

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

    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
    }

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

    pub fn parent<P: IsA<Container>>(mut self, parent: &P) -> 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
    }

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

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

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

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

    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
    }

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

    pub fn action_target(mut self, action_target: &glib::Variant) -> Self {
        self.action_target = Some(action_target.clone());
        self
    }
}

pub const NONE_BUTTON: Option<&Button> = None;

pub trait ButtonExt: 'static {
    fn clicked(&self);

    fn get_always_show_image(&self) -> bool;

    fn get_event_window(&self) -> Option<gdk::Window>;

    #[cfg_attr(feature = "v3_20", deprecated)]
    #[cfg(any(not(feature = "v3_20"), feature = "dox"))]
    fn get_focus_on_click(&self) -> bool;

    fn get_image(&self) -> Option<Widget>;

    fn get_image_position(&self) -> PositionType;

    fn get_label(&self) -> Option<GString>;

    fn get_relief(&self) -> ReliefStyle;

    fn get_use_underline(&self) -> bool;

    fn set_always_show_image(&self, always_show: bool);

    #[cfg_attr(feature = "v3_20", deprecated)]
    #[cfg(any(not(feature = "v3_20"), feature = "dox"))]
    fn set_focus_on_click(&self, focus_on_click: bool);

    fn set_image<P: IsA<Widget>>(&self, image: Option<&P>);

    fn set_image_position(&self, position: PositionType);

    fn set_label(&self, label: &str);

    fn set_relief(&self, relief: ReliefStyle);

    fn set_use_underline(&self, use_underline: bool);

    fn connect_activate<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;

    fn emit_activate(&self);

    fn connect_clicked<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;

    fn emit_clicked(&self);

    fn connect_property_always_show_image_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId;

    fn connect_property_image_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;

    fn connect_property_image_position_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId;

    fn connect_property_label_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;

    fn connect_property_relief_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;

    fn connect_property_use_underline_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId;
}

impl<O: IsA<Button>> ButtonExt for O {
    fn clicked(&self) {
        unsafe {
            gtk_sys::gtk_button_clicked(self.as_ref().to_glib_none().0);
        }
    }

    fn get_always_show_image(&self) -> bool {
        unsafe {
            from_glib(gtk_sys::gtk_button_get_always_show_image(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn get_event_window(&self) -> Option<gdk::Window> {
        unsafe {
            from_glib_none(gtk_sys::gtk_button_get_event_window(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[cfg(any(not(feature = "v3_20"), feature = "dox"))]
    fn get_focus_on_click(&self) -> bool {
        unsafe {
            from_glib(gtk_sys::gtk_button_get_focus_on_click(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn get_image(&self) -> Option<Widget> {
        unsafe {
            from_glib_none(gtk_sys::gtk_button_get_image(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn get_image_position(&self) -> PositionType {
        unsafe {
            from_glib(gtk_sys::gtk_button_get_image_position(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn get_label(&self) -> Option<GString> {
        unsafe {
            from_glib_none(gtk_sys::gtk_button_get_label(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn get_relief(&self) -> ReliefStyle {
        unsafe {
            from_glib(gtk_sys::gtk_button_get_relief(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn get_use_underline(&self) -> bool {
        unsafe {
            from_glib(gtk_sys::gtk_button_get_use_underline(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn set_always_show_image(&self, always_show: bool) {
        unsafe {
            gtk_sys::gtk_button_set_always_show_image(
                self.as_ref().to_glib_none().0,
                always_show.to_glib(),
            );
        }
    }

    #[cfg(any(not(feature = "v3_20"), feature = "dox"))]
    fn set_focus_on_click(&self, focus_on_click: bool) {
        unsafe {
            gtk_sys::gtk_button_set_focus_on_click(
                self.as_ref().to_glib_none().0,
                focus_on_click.to_glib(),
            );
        }
    }

    fn set_image<P: IsA<Widget>>(&self, image: Option<&P>) {
        unsafe {
            gtk_sys::gtk_button_set_image(
                self.as_ref().to_glib_none().0,
                image.map(|p| p.as_ref()).to_glib_none().0,
            );
        }
    }

    fn set_image_position(&self, position: PositionType) {
        unsafe {
            gtk_sys::gtk_button_set_image_position(
                self.as_ref().to_glib_none().0,
                position.to_glib(),
            );
        }
    }

    fn set_label(&self, label: &str) {
        unsafe {
            gtk_sys::gtk_button_set_label(self.as_ref().to_glib_none().0, label.to_glib_none().0);
        }
    }

    fn set_relief(&self, relief: ReliefStyle) {
        unsafe {
            gtk_sys::gtk_button_set_relief(self.as_ref().to_glib_none().0, relief.to_glib());
        }
    }

    fn set_use_underline(&self, use_underline: bool) {
        unsafe {
            gtk_sys::gtk_button_set_use_underline(
                self.as_ref().to_glib_none().0,
                use_underline.to_glib(),
            );
        }
    }

    fn connect_activate<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn activate_trampoline<P, F: Fn(&P) + 'static>(
            this: *mut gtk_sys::GtkButton,
            f: glib_sys::gpointer,
        ) where
            P: IsA<Button>,
        {
            let f: &F = &*(f as *const F);
            f(&Button::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"activate\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    activate_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn emit_activate(&self) {
        let _ = unsafe {
            glib::Object::from_glib_borrow(self.as_ptr() as *mut gobject_sys::GObject)
                .emit("activate", &[])
                .unwrap()
        };
    }

    fn connect_clicked<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn clicked_trampoline<P, F: Fn(&P) + 'static>(
            this: *mut gtk_sys::GtkButton,
            f: glib_sys::gpointer,
        ) where
            P: IsA<Button>,
        {
            let f: &F = &*(f as *const F);
            f(&Button::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"clicked\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    clicked_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn emit_clicked(&self) {
        let _ = unsafe {
            glib::Object::from_glib_borrow(self.as_ptr() as *mut gobject_sys::GObject)
                .emit("clicked", &[])
                .unwrap()
        };
    }

    fn connect_property_always_show_image_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_always_show_image_trampoline<P, F: Fn(&P) + 'static>(
            this: *mut gtk_sys::GtkButton,
            _param_spec: glib_sys::gpointer,
            f: glib_sys::gpointer,
        ) where
            P: IsA<Button>,
        {
            let f: &F = &*(f as *const F);
            f(&Button::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::always-show-image\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_always_show_image_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_property_image_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_image_trampoline<P, F: Fn(&P) + 'static>(
            this: *mut gtk_sys::GtkButton,
            _param_spec: glib_sys::gpointer,
            f: glib_sys::gpointer,
        ) where
            P: IsA<Button>,
        {
            let f: &F = &*(f as *const F);
            f(&Button::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::image\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_image_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_property_image_position_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_image_position_trampoline<P, F: Fn(&P) + 'static>(
            this: *mut gtk_sys::GtkButton,
            _param_spec: glib_sys::gpointer,
            f: glib_sys::gpointer,
        ) where
            P: IsA<Button>,
        {
            let f: &F = &*(f as *const F);
            f(&Button::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::image-position\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_image_position_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_property_label_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_label_trampoline<P, F: Fn(&P) + 'static>(
            this: *mut gtk_sys::GtkButton,
            _param_spec: glib_sys::gpointer,
            f: glib_sys::gpointer,
        ) where
            P: IsA<Button>,
        {
            let f: &F = &*(f as *const F);
            f(&Button::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::label\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_label_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_property_relief_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_relief_trampoline<P, F: Fn(&P) + 'static>(
            this: *mut gtk_sys::GtkButton,
            _param_spec: glib_sys::gpointer,
            f: glib_sys::gpointer,
        ) where
            P: IsA<Button>,
        {
            let f: &F = &*(f as *const F);
            f(&Button::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::relief\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_relief_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_property_use_underline_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_use_underline_trampoline<P, F: Fn(&P) + 'static>(
            this: *mut gtk_sys::GtkButton,
            _param_spec: glib_sys::gpointer,
            f: glib_sys::gpointer,
        ) where
            P: IsA<Button>,
        {
            let f: &F = &*(f as *const F);
            f(&Button::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::use-underline\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_use_underline_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

impl fmt::Display for Button {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "Button")
    }
}