DceResetActiveDCEs fixes:
- Don't check ownership because window DCs are global now.
- Correctly reposition client DCs (if window style changes).

reactos/subsys/win32k/include

diff -u -r1.15 -r1.15.2.1
--- dce.h	12 Dec 2004 01:40:37 -0000	1.15
+++ dce.h	27 Dec 2004 00:39:01 -0000	1.15.2.1
@@ -53,6 +53,6 @@

 PDCE FASTCALL DceFreeDCE(PDCE dce, BOOLEAN Force);
 void FASTCALL DceFreeWindowDCE(PWINDOW_OBJECT Window);
 void FASTCALL DceEmptyCache(void);

-VOID FASTCALL DceResetActiveDCEs(PWINDOW_OBJECT Window, int DeltaX, int DeltaY);

+VOID FASTCALL DceResetActiveDCEs(PWINDOW_OBJECT Window);

 
 #endif /* _WIN32K_DCE_H */

reactos/subsys/win32k/ntuser

diff -u -r1.70 -r1.70.2.1
--- windc.c	17 Dec 2004 19:42:46 -0000	1.70
+++ windc.c	27 Dec 2004 00:39:02 -0000	1.70.2.1
@@ -16,7 +16,7 @@

  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */

-/* $Id: windc.c,v 1.70 2004/12/17 19:42:46 navaraf Exp $

+/* $Id: windc.c,v 1.70.2.1 2004/12/27 00:39:02 navaraf Exp $

  *
  * COPYRIGHT:        See COPYING in the top level directory
  * PROJECT:          ReactOS kernel

@@ -770,11 +770,13 @@

 }
 
 VOID FASTCALL 

-DceResetActiveDCEs(PWINDOW_OBJECT Window, int DeltaX, int DeltaY)

+DceResetActiveDCEs(PWINDOW_OBJECT Window)

 {
   DCE *pDCE;
   PDC dc;
   PWINDOW_OBJECT CurrentWindow;

+  INT DeltaX;
+  INT DeltaY;

 
   if (NULL == Window)
     {

@@ -801,16 +803,10 @@

                   continue;
                 }
             }

-          if (!GDIOBJ_OwnedByCurrentProcess(pDCE->hDC))
-            {
-              /* skip DCs we don't even own */
-              goto skip;
-            }

 
           dc = DC_LockDc(pDCE->hDC);
           if (dc == NULL)
             {

-skip:

               if (Window->Self != pDCE->hwndCurrent)
                 {
                   IntReleaseWindowObject(CurrentWindow);

@@ -818,11 +814,22 @@

               pDCE = pDCE->next;
               continue;
             }

-          if ((0 != DeltaX || 0 != DeltaY)
-              && (Window == CurrentWindow || IntIsChildWindow(Window->Self, CurrentWindow->Self)))

+          if (Window == CurrentWindow || IntIsChildWindow(Window->Self, CurrentWindow->Self))

             {

-              dc->w.DCOrgX += DeltaX;
-              dc->w.DCOrgY += DeltaY;

+              if (pDCE->DCXFlags & DCX_WINDOW)
+                {
+                  DeltaX = CurrentWindow->WindowRect.left - dc->w.DCOrgX;
+                  DeltaY = CurrentWindow->WindowRect.top - dc->w.DCOrgY;
+                  dc->w.DCOrgX = CurrentWindow->WindowRect.left;
+                  dc->w.DCOrgY = CurrentWindow->WindowRect.top;
+                }
+              else
+                {
+                  DeltaX = CurrentWindow->ClientRect.left - dc->w.DCOrgX;
+                  DeltaY = CurrentWindow->ClientRect.top - dc->w.DCOrgY;
+                  dc->w.DCOrgX = CurrentWindow->ClientRect.left;
+                  dc->w.DCOrgY = CurrentWindow->ClientRect.top;
+                }

               if (NULL != dc->w.hClipRgn)
                 {
                   NtGdiOffsetRgn(dc->w.hClipRgn, DeltaX, DeltaY);

reactos/subsys/win32k/ntuser

diff -u -r1.127 -r1.127.2.1
--- winpos.c	12 Dec 2004 23:08:12 -0000	1.127
+++ winpos.c	27 Dec 2004 00:39:02 -0000	1.127.2.1
@@ -16,7 +16,7 @@

  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */

-/* $Id: winpos.c,v 1.127 2004/12/12 23:08:12 navaraf Exp $

+/* $Id: winpos.c,v 1.127.2.1 2004/12/27 00:39:02 navaraf Exp $

  *
  * COPYRIGHT:        See COPYING in the top level directory
  * PROJECT:          ReactOS kernel

@@ -977,9 +977,7 @@

       Window->Style |= WS_VISIBLE;
    }
 

-   DceResetActiveDCEs(Window,
-                      NewWindowRect.left - OldWindowRect.left,
-                      NewWindowRect.top - OldWindowRect.top);

+   DceResetActiveDCEs(Window);

 
    if (!(WinPos.flags & SWP_NOREDRAW))
    {