Prefer non-topmost windows when activating another window

reactos/subsys/win32k/ntuser

diff -u -r1.117 -r1.118
--- winpos.c	20 Jun 2004 00:45:37 -0000	1.117
+++ winpos.c	20 Jun 2004 22:27:19 -0000	1.118
@@ -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 1.117 2004/06/20 00:45:37 navaraf Exp $

+/* $Id: winpos.c,v 1.118 2004/06/20 22:27:19 gvg Exp $

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

@@ -107,6 +107,7 @@

 WinPosActivateOtherWindow(PWINDOW_OBJECT Window)
 {
   PWINDOW_OBJECT Wnd, Old;

+  int TryTopmost;

   
   if (!Window || IntIsDesktopWindow(Window))
   {

@@ -132,25 +133,30 @@

     
     if((List = IntWinListChildren(Wnd)))
     {

-      for(phWnd = List; *phWnd; phWnd++)

+      for(TryTopmost = 0; TryTopmost <= 1; TryTopmost++)

       {

-        PWINDOW_OBJECT Child;
-        
-        if((*phWnd) == Window->Self)

+        for(phWnd = List; *phWnd; phWnd++)

         {

-          continue;
-        }

+          PWINDOW_OBJECT Child;

-        if((Child = IntGetWindowObject(*phWnd)))
-        {
-          if(IntSetForegroundWindow(Child))

+          if((*phWnd) == Window->Self)

           {

-            ExFreePool(List);
-            IntReleaseWindowObject(Wnd);

+            continue;
+          }
+        
+          if((Child = IntGetWindowObject(*phWnd)))
+          {
+            if(((! TryTopmost && (0 == (Child->ExStyle & WS_EX_TOPMOST)))
+                || (TryTopmost && (0 != (Child->ExStyle & WS_EX_TOPMOST))))
+               && IntSetForegroundWindow(Child))
+            {
+              ExFreePool(List);
+              IntReleaseWindowObject(Wnd);
+              IntReleaseWindowObject(Child);
+              return;
+            }

             IntReleaseWindowObject(Child);

-            return;

           }

-          IntReleaseWindowObject(Child);

         }
       }
       ExFreePool(List);