--- dlls/dinput/mouse.c.old	2011-12-26 11:42:44.311649579 +0800
+++ dlls/dinput/mouse.c	2011-12-26 12:11:43.371393337 +0800
@@ -359,7 +359,7 @@
                 wdata = pt1.y;
             }
 
-            if (pt.x || pt.y)
+            if (hook->pt.x<2 || hook->pt.y<2 || hook->pt.x>((2 * This->mapped_center.x)-2) || hook->pt.y>((2 * This->mapped_center.x)-2) )
             {
                 if ((This->warp_override == WARP_FORCE_ON) ||
                     (This->warp_override != WARP_DISABLE && (This->base.dwCoopLevel & DISCL_EXCLUSIVE)))