From c90ffca0036fcbbf40d16815939c35fa01cf2e04 Mon Sep 17 00:00:00 2001
From: Steven Kirk <grokys@gmail.com>
Date: Sun, 23 Aug 2015 19:31:44 +0200
Subject: [PATCH] Revert "Use client size for top-level arrange."

This reverts commit 8dcc94550cec1f03539fb9e64834493d5d760a1e.
---
 Gtk/Perspex.Gtk/WindowImpl.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Gtk/Perspex.Gtk/WindowImpl.cs b/Gtk/Perspex.Gtk/WindowImpl.cs
index 56cc2b2f3e..c5c3422701 100644
--- a/Gtk/Perspex.Gtk/WindowImpl.cs
+++ b/Gtk/Perspex.Gtk/WindowImpl.cs
@@ -79,7 +79,7 @@ namespace Perspex.Gtk
         public Point PointToScreen(Point point)
         {
             int x, y;
-            this.Window.GetRootOrigin(out x, out y);
+            this.GdkWindow.GetDeskrelativeOrigin(out x, out y);
             
             return new Point(point.X + x, point.Y + y);
         }