gtk3-ubuntu/017_no_offscreen_device_grabbing.patch

   1 Description: Do not allow devices in an offscreen hierarchy to take grabs.
   2 Author: Robert Carr <racarr@canonical.com>
   3 Bug: https://bugzilla.gnome.org/show_bug.cgi?id=658563
   4 Bug-Ubuntu: https://launchpad.net/bugs/804009
   5
   6 Index: gtk+3.0-3.1.12/gtk/gtkmain.c
   7 ===================================================================
   8 --- gtk+3.0-3.1.12.orig/gtk/gtkmain.c   2011-09-02 14:39:44.225887145 -0400
   9 +++ gtk+3.0-3.1.12/gtk/gtkmain.c        2011-09-02 14:39:36.415886932 -0400
  10 @@ -2303,9 +2303,14 @@
  11  {
  12    GtkWindowGroup *group;
  13    GtkWidget *old_grab_widget;
  14 +  GdkWindow *toplevel;
  15
  16    g_return_if_fail (GTK_IS_WIDGET (widget));
  17    g_return_if_fail (GDK_IS_DEVICE (device));
  18 +
  19 +  toplevel = gdk_window_get_toplevel (gtk_widget_get_window (widget));
  20 +  if (toplevel && gdk_window_get_window_type (toplevel) == GDK_WINDOW_OFFSCREEN)
  21 +    return;
  22
  23    group = gtk_main_get_window_group (widget);
  24    old_grab_widget = gtk_window_group_get_current_device_grab (group, device);