Exemplo n.º 1
0
 public static void SetWinOpacity(Gtk.Window win, double opacity)
 {
     CompositeUtils.ChangeProperty(win.GdkWindow,
                                   Atom.Intern("_NET_WM_WINDOW_OPACITY", false),
                                   Atom.Intern("CARDINAL", false),
                                   PropMode.Replace,
                                   new uint[] { (uint)(0xffffffff * opacity) }
                                   );
 }
        public static bool IsComposited(Screen screen)
        {
            bool composited;

            try {
                composited = gdk_screen_is_composited(screen.Handle);
            } catch (EntryPointNotFoundException) {
                Atom atom = Atom.Intern(String.Format("_NET_WM_CM_S{0}", screen.Number), false);
                composited = Gdk.Selection.OwnerGetForDisplay(screen.Display, atom) != null;
            }

            // FIXME check for WINDOW_OPACITY so that we support compositing on older composite manager
            // versions before they started supporting the real check given above
            if (!composited)
            {
                composited = CompositeUtils.SupportsHint(screen, "_NET_WM_WINDOW_OPACITY");
            }

            return(composited);
        }