// 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 cairo;
use gdk_sys;
use glib::object::IsA;
use glib::object::ObjectType as ObjectType_;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib::GString;
use glib_sys;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem::transmute;
use Display;
use Rectangle;
use Visual;
use Window;

glib_wrapper! {
    /// `Screen` objects are the GDK representation of the screen on
    /// which windows can be displayed and on which the pointer moves.
    /// X originally identified screens with physical screens, but
    /// nowadays it is more common to have a single `Screen` which
    /// combines several physical monitors (see `Screen::get_n_monitors`).
    ///
    /// `Screen` is used throughout GDK and GTK+ to specify which screen
    /// the top level windows are to be displayed on. it is also used to
    /// query the screen specification and default settings such as
    /// the default visual (`Screen::get_system_visual`), the dimensions
    /// of the physical monitors (`Screen::get_monitor_geometry`), etc.
    pub struct Screen(Object<gdk_sys::GdkScreen, ScreenClass>);

    match fn {
        get_type => || gdk_sys::gdk_screen_get_type(),
    }
}

impl Screen {
    /// Returns the screen’s currently active window.
    ///
    /// On X11, this is done by inspecting the _NET_ACTIVE_WINDOW property
    /// on the root window, as described in the
    /// [Extended Window Manager Hints](http://www.freedesktop.org/Standards/wm-spec).
    /// If there is no currently currently active
    /// window, or the window manager does not support the
    /// _NET_ACTIVE_WINDOW hint, this function returns `None`.
    ///
    /// On other platforms, this function may return `None`, depending on whether
    /// it is implementable on that platform.
    ///
    /// The returned window should be unrefed using `gobject::Object::unref` when
    /// no longer needed.
    ///
    /// # Deprecated since 3.22
    ///
    ///
    /// # Returns
    ///
    /// the currently active window,
    ///  or `None`.
    #[cfg_attr(feature = "v3_22", deprecated)]
    pub fn get_active_window(&self) -> Option<Window> {
        unsafe { from_glib_full(gdk_sys::gdk_screen_get_active_window(self.to_glib_none().0)) }
    }

    /// Gets the display to which the `self` belongs.
    ///
    /// # Returns
    ///
    /// the display to which `self` belongs
    pub fn get_display(&self) -> Display {
        unsafe { from_glib_none(gdk_sys::gdk_screen_get_display(self.to_glib_none().0)) }
    }

    /// Gets the height of `self` in pixels. The returned size is in
    /// ”application pixels”, not in ”device pixels” (see
    /// `Screen::get_monitor_scale_factor`).
    ///
    /// # Deprecated since 3.22
    ///
    /// Use per-monitor information instead
    ///
    /// # Returns
    ///
    /// the height of `self` in pixels.
    #[cfg_attr(feature = "v3_22", deprecated)]
    pub fn get_height(&self) -> i32 {
        unsafe { gdk_sys::gdk_screen_get_height(self.to_glib_none().0) }
    }

    /// Returns the height of `self` in millimeters.
    ///
    /// Note that this value is somewhat ill-defined when the screen
    /// has multiple monitors of different resolution. It is recommended
    /// to use the monitor dimensions instead.
    ///
    /// # Deprecated since 3.22
    ///
    /// Use per-monitor information instead
    ///
    /// # Returns
    ///
    /// the heigth of `self` in millimeters.
    #[cfg_attr(feature = "v3_22", deprecated)]
    pub fn get_height_mm(&self) -> i32 {
        unsafe { gdk_sys::gdk_screen_get_height_mm(self.to_glib_none().0) }
    }

    /// Returns the monitor number in which the point (`x`,`y`) is located.
    ///
    /// # Deprecated since 3.22
    ///
    /// Use `Display::get_monitor_at_point` instead
    /// ## `x`
    /// the x coordinate in the virtual screen.
    /// ## `y`
    /// the y coordinate in the virtual screen.
    ///
    /// # Returns
    ///
    /// the monitor number in which the point (`x`,`y`) lies, or
    ///  a monitor close to (`x`,`y`) if the point is not in any monitor.
    #[cfg_attr(feature = "v3_22", deprecated)]
    pub fn get_monitor_at_point(&self, x: i32, y: i32) -> i32 {
        unsafe { gdk_sys::gdk_screen_get_monitor_at_point(self.to_glib_none().0, x, y) }
    }

    /// Returns the number of the monitor in which the largest area of the
    /// bounding rectangle of `window` resides.
    ///
    /// # Deprecated since 3.22
    ///
    /// Use `Display::get_monitor_at_window` instead
    /// ## `window`
    /// a `Window`
    ///
    /// # Returns
    ///
    /// the monitor number in which most of `window` is located,
    ///  or if `window` does not intersect any monitors, a monitor,
    ///  close to `window`.
    #[cfg_attr(feature = "v3_22", deprecated)]
    pub fn get_monitor_at_window<P: IsA<Window>>(&self, window: &P) -> i32 {
        unsafe {
            gdk_sys::gdk_screen_get_monitor_at_window(
                self.to_glib_none().0,
                window.as_ref().to_glib_none().0,
            )
        }
    }

    /// Retrieves the `Rectangle` representing the size and position of
    /// the individual monitor within the entire screen area. The returned
    /// geometry is in ”application pixels”, not in ”device pixels” (see
    /// `Screen::get_monitor_scale_factor`).
    ///
    /// Monitor numbers start at 0. To obtain the number of monitors of
    /// `self`, use `Screen::get_n_monitors`.
    ///
    /// Note that the size of the entire screen area can be retrieved via
    /// `Screen::get_width` and `Screen::get_height`.
    ///
    /// # Deprecated since 3.22
    ///
    /// Use `Monitor::get_geometry` instead
    /// ## `monitor_num`
    /// the monitor number
    /// ## `dest`
    /// a `Rectangle` to be filled with
    ///  the monitor geometry
    #[cfg_attr(feature = "v3_22", deprecated)]
    pub fn get_monitor_geometry(&self, monitor_num: i32) -> Rectangle {
        unsafe {
            let mut dest = Rectangle::uninitialized();
            gdk_sys::gdk_screen_get_monitor_geometry(
                self.to_glib_none().0,
                monitor_num,
                dest.to_glib_none_mut().0,
            );
            dest
        }
    }

    /// Gets the height in millimeters of the specified monitor.
    ///
    /// # Deprecated since 3.22
    ///
    /// Use `Monitor::get_height_mm` instead
    /// ## `monitor_num`
    /// number of the monitor, between 0 and gdk_screen_get_n_monitors (screen)
    ///
    /// # Returns
    ///
    /// the height of the monitor, or -1 if not available
    #[cfg_attr(feature = "v3_22", deprecated)]
    pub fn get_monitor_height_mm(&self, monitor_num: i32) -> i32 {
        unsafe { gdk_sys::gdk_screen_get_monitor_height_mm(self.to_glib_none().0, monitor_num) }
    }

    /// Returns the output name of the specified monitor.
    /// Usually something like VGA, DVI, or TV, not the actual
    /// product name of the display device.
    ///
    /// # Deprecated since 3.22
    ///
    /// Use `Monitor::get_model` instead
    /// ## `monitor_num`
    /// number of the monitor, between 0 and gdk_screen_get_n_monitors (screen)
    ///
    /// # Returns
    ///
    /// a newly-allocated string containing the name
    ///  of the monitor, or `None` if the name cannot be determined
    #[cfg_attr(feature = "v3_22", deprecated)]
    pub fn get_monitor_plug_name(&self, monitor_num: i32) -> Option<GString> {
        unsafe {
            from_glib_full(gdk_sys::gdk_screen_get_monitor_plug_name(
                self.to_glib_none().0,
                monitor_num,
            ))
        }
    }

    /// Returns the internal scale factor that maps from monitor coordinates
    /// to the actual device pixels. On traditional systems this is 1, but
    /// on very high density outputs this can be a higher value (often 2).
    ///
    /// This can be used if you want to create pixel based data for a
    /// particular monitor, but most of the time you’re drawing to a window
    /// where it is better to use `WindowExt::get_scale_factor` instead.
    ///
    /// # Deprecated since 3.22
    ///
    /// Use `Monitor::get_scale_factor` instead
    /// ## `monitor_num`
    /// number of the monitor, between 0 and gdk_screen_get_n_monitors (screen)
    ///
    /// # Returns
    ///
    /// the scale factor
    #[cfg_attr(feature = "v3_22", deprecated)]
    pub fn get_monitor_scale_factor(&self, monitor_num: i32) -> i32 {
        unsafe { gdk_sys::gdk_screen_get_monitor_scale_factor(self.to_glib_none().0, monitor_num) }
    }

    /// Gets the width in millimeters of the specified monitor, if available.
    ///
    /// # Deprecated since 3.22
    ///
    /// Use `Monitor::get_width_mm` instead
    /// ## `monitor_num`
    /// number of the monitor, between 0 and gdk_screen_get_n_monitors (screen)
    ///
    /// # Returns
    ///
    /// the width of the monitor, or -1 if not available
    #[cfg_attr(feature = "v3_22", deprecated)]
    pub fn get_monitor_width_mm(&self, monitor_num: i32) -> i32 {
        unsafe { gdk_sys::gdk_screen_get_monitor_width_mm(self.to_glib_none().0, monitor_num) }
    }

    /// Retrieves the `Rectangle` representing the size and position of
    /// the “work area” on a monitor within the entire screen area. The returned
    /// geometry is in ”application pixels”, not in ”device pixels” (see
    /// `Screen::get_monitor_scale_factor`).
    ///
    /// The work area should be considered when positioning menus and
    /// similar popups, to avoid placing them below panels, docks or other
    /// desktop components.
    ///
    /// Note that not all backends may have a concept of workarea. This
    /// function will return the monitor geometry if a workarea is not
    /// available, or does not apply.
    ///
    /// Monitor numbers start at 0. To obtain the number of monitors of
    /// `self`, use `Screen::get_n_monitors`.
    ///
    /// # Deprecated since 3.22
    ///
    /// Use `Monitor::get_workarea` instead
    /// ## `monitor_num`
    /// the monitor number
    /// ## `dest`
    /// a `Rectangle` to be filled with
    ///  the monitor workarea
    #[cfg_attr(feature = "v3_22", deprecated)]
    pub fn get_monitor_workarea(&self, monitor_num: i32) -> Rectangle {
        unsafe {
            let mut dest = Rectangle::uninitialized();
            gdk_sys::gdk_screen_get_monitor_workarea(
                self.to_glib_none().0,
                monitor_num,
                dest.to_glib_none_mut().0,
            );
            dest
        }
    }

    /// Returns the number of monitors which `self` consists of.
    ///
    /// # Deprecated since 3.22
    ///
    /// Use `Display::get_n_monitors` instead
    ///
    /// # Returns
    ///
    /// number of monitors which `self` consists of
    #[cfg_attr(feature = "v3_22", deprecated)]
    pub fn get_n_monitors(&self) -> i32 {
        unsafe { gdk_sys::gdk_screen_get_n_monitors(self.to_glib_none().0) }
    }

    /// Gets the index of `self` among the screens in the display
    /// to which it belongs. (See `Screen::get_display`)
    ///
    /// # Deprecated since 3.22
    ///
    ///
    /// # Returns
    ///
    /// the index
    #[cfg_attr(feature = "v3_22", deprecated)]
    pub fn get_number(&self) -> i32 {
        unsafe { gdk_sys::gdk_screen_get_number(self.to_glib_none().0) }
    }

    /// Gets the primary monitor for `self`. The primary monitor
    /// is considered the monitor where the “main desktop” lives.
    /// While normal application windows typically allow the window
    /// manager to place the windows, specialized desktop applications
    /// such as panels should place themselves on the primary monitor.
    ///
    /// If no primary monitor is configured by the user, the return value
    /// will be 0, defaulting to the first monitor.
    ///
    /// # Deprecated since 3.22
    ///
    /// Use `Display::get_primary_monitor` instead
    ///
    /// # Returns
    ///
    /// An integer index for the primary monitor, or 0 if none is configured.
    #[cfg_attr(feature = "v3_22", deprecated)]
    pub fn get_primary_monitor(&self) -> i32 {
        unsafe { gdk_sys::gdk_screen_get_primary_monitor(self.to_glib_none().0) }
    }

    /// Gets the resolution for font handling on the screen; see
    /// `Screen::set_resolution` for full details.
    ///
    /// # Returns
    ///
    /// the current resolution, or -1 if no resolution
    /// has been set.
    pub fn get_resolution(&self) -> f64 {
        unsafe { gdk_sys::gdk_screen_get_resolution(self.to_glib_none().0) }
    }

    /// Gets a visual to use for creating windows with an alpha channel.
    /// The windowing system on which GTK+ is running
    /// may not support this capability, in which case `None` will
    /// be returned. Even if a non-`None` value is returned, its
    /// possible that the window’s alpha channel won’t be honored
    /// when displaying the window on the screen: in particular, for
    /// X an appropriate windowing manager and compositing manager
    /// must be running to provide appropriate display.
    ///
    /// This functionality is not implemented in the Windows backend.
    ///
    /// For setting an overall opacity for a top-level window, see
    /// `WindowExt::set_opacity`.
    ///
    /// # Returns
    ///
    /// a visual to use for windows
    ///  with an alpha channel or `None` if the capability is not
    ///  available.
    pub fn get_rgba_visual(&self) -> Option<Visual> {
        unsafe { from_glib_none(gdk_sys::gdk_screen_get_rgba_visual(self.to_glib_none().0)) }
    }

    /// Gets the root window of `self`.
    ///
    /// # Returns
    ///
    /// the root window
    pub fn get_root_window(&self) -> Option<Window> {
        unsafe { from_glib_none(gdk_sys::gdk_screen_get_root_window(self.to_glib_none().0)) }
    }

    /// Get the system’s default visual for `self`.
    /// This is the visual for the root window of the display.
    /// The return value should not be freed.
    ///
    /// # Returns
    ///
    /// the system visual
    pub fn get_system_visual(&self) -> Option<Visual> {
        unsafe { from_glib_none(gdk_sys::gdk_screen_get_system_visual(self.to_glib_none().0)) }
    }

    /// Obtains a list of all toplevel windows known to GDK on the screen `self`.
    /// A toplevel window is a child of the root window (see
    /// `gdk_get_default_root_window`).
    ///
    /// The returned list should be freed with `glib::List::free`, but
    /// its elements need not be freed.
    ///
    /// # Returns
    ///
    ///
    ///  list of toplevel windows, free with `glib::List::free`
    pub fn get_toplevel_windows(&self) -> Vec<Window> {
        unsafe {
            FromGlibPtrContainer::from_glib_container(gdk_sys::gdk_screen_get_toplevel_windows(
                self.to_glib_none().0,
            ))
        }
    }

    /// Gets the width of `self` in pixels. The returned size is in
    /// ”application pixels”, not in ”device pixels” (see
    /// `Screen::get_monitor_scale_factor`).
    ///
    /// # Deprecated since 3.22
    ///
    /// Use per-monitor information instead
    ///
    /// # Returns
    ///
    /// the width of `self` in pixels.
    #[cfg_attr(feature = "v3_22", deprecated)]
    pub fn get_width(&self) -> i32 {
        unsafe { gdk_sys::gdk_screen_get_width(self.to_glib_none().0) }
    }

    /// Gets the width of `self` in millimeters.
    ///
    /// Note that this value is somewhat ill-defined when the screen
    /// has multiple monitors of different resolution. It is recommended
    /// to use the monitor dimensions instead.
    ///
    /// # Deprecated since 3.22
    ///
    /// Use per-monitor information instead
    ///
    /// # Returns
    ///
    /// the width of `self` in millimeters.
    #[cfg_attr(feature = "v3_22", deprecated)]
    pub fn get_width_mm(&self) -> i32 {
        unsafe { gdk_sys::gdk_screen_get_width_mm(self.to_glib_none().0) }
    }

    /// Returns a `glib::List` of ``GdkWindows`` representing the current
    /// window stack.
    ///
    /// On X11, this is done by inspecting the _NET_CLIENT_LIST_STACKING
    /// property on the root window, as described in the
    /// [Extended Window Manager Hints](http://www.freedesktop.org/Standards/wm-spec).
    /// If the window manager does not support the
    /// _NET_CLIENT_LIST_STACKING hint, this function returns `None`.
    ///
    /// On other platforms, this function may return `None`, depending on whether
    /// it is implementable on that platform.
    ///
    /// The returned list is newly allocated and owns references to the
    /// windows it contains, so it should be freed using `glib::List::free` and
    /// its windows unrefed using `gobject::Object::unref` when no longer needed.
    ///
    /// # Returns
    ///
    /// a
    ///  list of ``GdkWindows`` for the current window stack, or `None`.
    pub fn get_window_stack(&self) -> Vec<Window> {
        unsafe {
            FromGlibPtrContainer::from_glib_full(gdk_sys::gdk_screen_get_window_stack(
                self.to_glib_none().0,
            ))
        }
    }

    /// Returns whether windows with an RGBA visual can reasonably
    /// be expected to have their alpha channel drawn correctly on
    /// the screen.
    ///
    /// On X11 this function returns whether a compositing manager is
    /// compositing `self`.
    ///
    /// # Returns
    ///
    /// Whether windows with RGBA visuals can reasonably be
    /// expected to have their alpha channels drawn correctly on the screen.
    pub fn is_composited(&self) -> bool {
        unsafe { from_glib(gdk_sys::gdk_screen_is_composited(self.to_glib_none().0)) }
    }

    /// Lists the available visuals for the specified `self`.
    /// A visual describes a hardware image data format.
    /// For example, a visual might support 24-bit color, or 8-bit color,
    /// and might expect pixels to be in a certain format.
    ///
    /// Call `glib::List::free` on the return value when you’re finished with it.
    ///
    /// # Returns
    ///
    ///
    ///  a list of visuals; the list must be freed, but not its contents
    pub fn list_visuals(&self) -> Vec<Visual> {
        unsafe {
            FromGlibPtrContainer::from_glib_container(gdk_sys::gdk_screen_list_visuals(
                self.to_glib_none().0,
            ))
        }
    }

    /// Determines the name to pass to `Display::open` to get
    /// a `Display` with this screen as the default screen.
    ///
    /// # Deprecated since 3.22
    ///
    ///
    /// # Returns
    ///
    /// a newly allocated string, free with `g_free`
    #[cfg_attr(feature = "v3_22", deprecated)]
    pub fn make_display_name(&self) -> GString {
        unsafe { from_glib_full(gdk_sys::gdk_screen_make_display_name(self.to_glib_none().0)) }
    }

    /// Sets the default font options for the screen. These
    /// options will be set on any `pango::Context`’s newly created
    /// with `gdk_pango_context_get_for_screen`. Changing the
    /// default set of font options does not affect contexts that
    /// have already been created.
    /// ## `options`
    /// a `cairo::FontOptions`, or `None` to unset any
    ///  previously set default font options.
    pub fn set_font_options(&self, options: Option<&cairo::FontOptions>) {
        unsafe {
            gdk_sys::gdk_screen_set_font_options(self.to_glib_none().0, options.to_glib_none().0);
        }
    }

    /// Sets the resolution for font handling on the screen. This is a
    /// scale factor between points specified in a `pango::FontDescription`
    /// and cairo units. The default value is 96, meaning that a 10 point
    /// font will be 13 units high. (10 * 96. / 72. = 13.3).
    /// ## `dpi`
    /// the resolution in “dots per inch”. (Physical inches aren’t actually
    ///  involved; the terminology is conventional.)
    pub fn set_resolution(&self, dpi: f64) {
        unsafe {
            gdk_sys::gdk_screen_set_resolution(self.to_glib_none().0, dpi);
        }
    }

    //pub fn get_property_font_options(&self) -> /*Unimplemented*/Fundamental: Pointer {
    //    unsafe {
    //        let mut value = Value::from_type(</*Unknown type*/ as StaticType>::static_type());
    //        gobject_sys::g_object_get_property(self.as_ptr() as *mut gobject_sys::GObject, b"font-options\0".as_ptr() as *const _, value.to_glib_none_mut().0);
    //        value.get().expect("Return Value for property `font-options` getter").unwrap()
    //    }
    //}

    /// Gets the default screen for the default display. (See
    /// gdk_display_get_default ()).
    ///
    /// # Returns
    ///
    /// a `Screen`, or `None` if
    ///  there is no default display.
    pub fn get_default() -> Option<Screen> {
        assert_initialized_main_thread!();
        unsafe { from_glib_none(gdk_sys::gdk_screen_get_default()) }
    }

    /// Gets the height of the default screen in pixels. The returned
    /// size is in ”application pixels”, not in ”device pixels” (see
    /// `Screen::get_monitor_scale_factor`).
    ///
    /// # Deprecated since 3.22
    ///
    /// Use per-monitor information
    ///
    /// # Returns
    ///
    /// the height of the default screen in pixels.
    #[cfg_attr(feature = "v3_22", deprecated)]
    pub fn height() -> i32 {
        assert_initialized_main_thread!();
        unsafe { gdk_sys::gdk_screen_height() }
    }

    /// Returns the height of the default screen in millimeters.
    /// Note that on many X servers this value will not be correct.
    ///
    /// # Deprecated since 3.22
    ///
    /// Use per-monitor information
    ///
    /// # Returns
    ///
    /// the height of the default screen in millimeters,
    /// though it is not always correct.
    #[cfg_attr(feature = "v3_22", deprecated)]
    pub fn height_mm() -> i32 {
        assert_initialized_main_thread!();
        unsafe { gdk_sys::gdk_screen_height_mm() }
    }

    /// Gets the width of the default screen in pixels. The returned
    /// size is in ”application pixels”, not in ”device pixels” (see
    /// `Screen::get_monitor_scale_factor`).
    ///
    /// # Deprecated since 3.22
    ///
    /// Use per-monitor information
    ///
    /// # Returns
    ///
    /// the width of the default screen in pixels.
    #[cfg_attr(feature = "v3_22", deprecated)]
    pub fn width() -> i32 {
        assert_initialized_main_thread!();
        unsafe { gdk_sys::gdk_screen_width() }
    }

    /// Returns the width of the default screen in millimeters.
    /// Note that on many X servers this value will not be correct.
    ///
    /// # Deprecated since 3.22
    ///
    /// Use per-monitor information
    ///
    /// # Returns
    ///
    /// the width of the default screen in millimeters,
    /// though it is not always correct.
    #[cfg_attr(feature = "v3_22", deprecated)]
    pub fn width_mm() -> i32 {
        assert_initialized_main_thread!();
        unsafe { gdk_sys::gdk_screen_width_mm() }
    }

    /// The ::composited-changed signal is emitted when the composited
    /// status of the screen changes
    pub fn connect_composited_changed<F: Fn(&Screen) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn composited_changed_trampoline<F: Fn(&Screen) + 'static>(
            this: *mut gdk_sys::GdkScreen,
            f: glib_sys::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this))
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"composited-changed\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    composited_changed_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    /// The ::monitors-changed signal is emitted when the number, size
    /// or position of the monitors attached to the screen change.
    ///
    /// Only for X11 and OS X for now. A future implementation for Win32
    /// may be a possibility.
    pub fn connect_monitors_changed<F: Fn(&Screen) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn monitors_changed_trampoline<F: Fn(&Screen) + 'static>(
            this: *mut gdk_sys::GdkScreen,
            f: glib_sys::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this))
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"monitors-changed\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    monitors_changed_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    /// The ::size-changed signal is emitted when the pixel width or
    /// height of a screen changes.
    pub fn connect_size_changed<F: Fn(&Screen) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn size_changed_trampoline<F: Fn(&Screen) + 'static>(
            this: *mut gdk_sys::GdkScreen,
            f: glib_sys::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this))
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"size-changed\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    size_changed_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    pub fn connect_property_font_options_notify<F: Fn(&Screen) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_font_options_trampoline<F: Fn(&Screen) + 'static>(
            this: *mut gdk_sys::GdkScreen,
            _param_spec: glib_sys::gpointer,
            f: glib_sys::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this))
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::font-options\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_font_options_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    pub fn connect_property_resolution_notify<F: Fn(&Screen) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_resolution_trampoline<F: Fn(&Screen) + 'static>(
            this: *mut gdk_sys::GdkScreen,
            _param_spec: glib_sys::gpointer,
            f: glib_sys::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this))
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::resolution\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_resolution_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

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