[gtkmm] Window: Add set_opaque_region().

[Murray Cumming <murrayc src gnome org>]

commit b7dd1ccc5492877836302df3710341f42d5b0ffa
Author: Murray Cumming <murrayc murrayc com>
Date:   Tue Sep 10 21:12:33 2013 +0200

    Window: Add set_opaque_region().

 gdk/src/window.hg |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gdk/src/window.hg b/gdk/src/window.hg
index d86d787..10bf020 100644
--- a/gdk/src/window.hg
+++ b/gdk/src/window.hg
@@ -374,6 +374,8 @@ public:
   //_WRAP_SIGNAL(Glib::RefPtr<Gdk::Window> to_embedder(double offscreen_x, double offscreen_y, double& 
embedder_x, double& embedder_y), to-embedder, no_default_handler)
   //_WRAP_SIGNAL(Glib::RefPtr<Gdk::Window> from_embedder(double embedder_x, double embedder_y, double& 
offscreen_x, double& offscreen_y), from-embedder, no_default_handler)
 
+  _WRAP_METHOD(void set_opaque_region(const ::Cairo::RefPtr<const ::Cairo::Region>& region), 
gdk_window_set_opaque_region)
+
 
   _WRAP_PROPERTY("cursor", Glib::RefPtr<Cursor>)
 };