[gtk+] GdkOffscreenWindow: Implement gdk_window_get_frame_extents()

[Tristan Van Berkom <tvb src gnome org>]

commit 6a90c48ea60f5cb3929b383f05831b6f63b5f619
Author: Tristan Van Berkom <tristanvb openismus com>
Date:   Sat Apr 6 17:09:27 2013 +0900

    GdkOffscreenWindow: Implement gdk_window_get_frame_extents()
    
    This avoids crashes in gtk_window_get_position() whenever the GdkWindow
    is offscreen.

 gdk/gdkoffscreenwindow.c |   12 +++++++++++-
 1 files changed, 11 insertions(+), 1 deletions(-)
---
diff --git a/gdk/gdkoffscreenwindow.c b/gdk/gdkoffscreenwindow.c
index aed09e0..c765209 100644
--- a/gdk/gdkoffscreenwindow.c
+++ b/gdk/gdkoffscreenwindow.c
@@ -714,6 +714,16 @@ gdk_offscreen_window_process_updates_recurse (GdkWindow *window,
 }
 
 static void
+gdk_offscreen_window_get_frame_extents (GdkWindow    *window,
+                                       GdkRectangle *rect)
+{
+  rect->x = window->x;
+  rect->y = window->y;
+  rect->width = window->width;
+  rect->height = window->height;
+}
+
+static void
 gdk_offscreen_window_class_init (GdkOffscreenWindowClass *klass)
 {
   GdkWindowImplClass *impl_class = GDK_WINDOW_IMPL_CLASS (klass);
@@ -763,7 +773,7 @@ gdk_offscreen_window_class_init (GdkOffscreenWindowClass *klass)
   impl_class->set_startup_id = gdk_offscreen_window_set_string;
   impl_class->set_transient_for = gdk_offscreen_window_set_transient_for;
   impl_class->get_root_origin = NULL;
-  impl_class->get_frame_extents = NULL;
+  impl_class->get_frame_extents = gdk_offscreen_window_get_frame_extents;
   impl_class->set_override_redirect = NULL;
   impl_class->set_accept_focus = NULL;
   impl_class->set_focus_on_map = gdk_offscreen_window_set_boolean;