[jimtabor] 50961: [Win32k] - Fix the select of the clip region for a window. Apologies to Rafal Harabien select works like select, also don't assume the original author is always right.

Author: jimtabor
Date: Thu Mar  3 13:59:17 2011
New Revision: 50961

URL: http://svn.reactos.org/svn/reactos?rev=50961&view=rev
Log:
[Win32k]
- Fix the select of the clip region for a window. Apologies to Rafal Harabien select works
like select, also don't
assume the original author is always right.



Modified:
    trunk/reactos/subsystems/win32/win32k/ntuser/window.c

Modified: trunk/reactos/subsystems/win32/win32k/ntuser/window.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/nt…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/ntuser/window.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/ntuser/window.c [iso-8859-1] Thu Mar  3 13:59:17
2011
@@ -4052,7 +4052,7 @@
    }
    else
    {
-      hrgnCopy = IntSysCreateRectRgnIndirect(&Window->rcWindow); //HRGN_WINDOW;
+      hrgnCopy = NULL;
    }
 
    if (Window->hrgnClip)
@@ -4061,12 +4061,14 @@
       GreDeleteObject(Window->hrgnClip);
    }
 
-   if (Window->fnid != FNID_DESKTOP)
-      NtGdiOffsetRgn(hrgnCopy, Window->rcWindow.left, Window->rcWindow.top);
-
-   /* Set public ownership */
-   IntGdiSetRegionOwner(hrgnCopy, GDI_OBJ_HMGR_PUBLIC);
-
+   if (hrgnCopy)
+   {
+      if (Window->fnid != FNID_DESKTOP)
+         NtGdiOffsetRgn(hrgnCopy, Window->rcWindow.left, Window->rcWindow.top);
+
+      /* Set public ownership */
+      IntGdiSetRegionOwner(hrgnCopy, GDI_OBJ_HMGR_PUBLIC);
+   }
    Window->hrgnClip = hrgnCopy;
 
    Ret = co_WinPosSetWindowPos(Window, HWND_TOP, 0, 0, 0, 0, bRedraw ? flags :
(flags|SWP_NOREDRAW) );