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// Copyright 2013-2017, The Gtk-rs Project Developers. // See the COPYRIGHT file at the top-level directory of this distribution. // Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT> use gdk; use glib::translate::{from_glib_none, ToGlibPtr}; use glib::IsA; use gtk_sys; use Invisible; // For some reasons, it's not generated... pub trait InvisibleExtManual: 'static { /// Returns the `gdk::Screen` object associated with `self` /// /// # Returns /// /// the associated `gdk::Screen`. fn get_screen(&self) -> Option<gdk::Screen>; } impl<T: IsA<Invisible>> InvisibleExtManual for T { fn get_screen(&self) -> Option<gdk::Screen> { unsafe { from_glib_none(gtk_sys::gtk_invisible_get_screen( self.as_ref().to_glib_none().0, )) } } }