Use unadjusted rect (the one calculated before sending WM_SIZING) for sizing calculations while resizing windows.

Modified: trunk/reactos/lib/user32/windows/defwnd.c

--- trunk/reactos/lib/user32/windows/defwnd.c	2005-02-27 12:43:37 UTC (rev 13763)
+++ trunk/reactos/lib/user32/windows/defwnd.c	2005-02-27 14:55:01 UTC (rev 13764)
@@ -418,7 +418,7 @@

 {
   HRGN DesktopRgn;
   MSG msg;

-  RECT sizingRect, mouseRect, origRect, clipRect;

+  RECT sizingRect, mouseRect, origRect, clipRect, unmodRect;

   HDC hdc;
   LONG hittest = (LONG)(wParam & 0x0f);
   HCURSOR hDragCursor = 0, hOldCursor = 0;
@@ -487,6 +487,7 @@

   
   WinPosGetMinMaxInfo(hwnd, NULL, NULL, &minTrack, &maxTrack);
   GetWindowRect(hwnd, &sizingRect);

+  GetWindowRect(hwnd, &unmodRect);  

   if (Style & WS_CHILD)
     {
       MapWindowPoints( 0, hWndParent, (LPPOINT)&sizingRect, 2 );
@@ -623,7 +624,7 @@

 	  if (msg.message == WM_KEYDOWN) SetCursorPos( pt.x, pt.y );
 	  else
 	    {

-	      RECT newRect = sizingRect;

+	      RECT newRect = unmodRect;

 	      WPARAM wpSizingHit = 0;
 	      
 	      if (hittest == HTCAPTION) OffsetRect( &newRect, dx, dy );
@@ -637,6 +638,7 @@

 	      /* determine the hit location */
 	      if (hittest >= HTLEFT && hittest <= HTBOTTOMRIGHT)
 		wpSizingHit = WMSZ_LEFT + (hittest - HTLEFT);

+	      unmodRect	= newRect;

 	      SendMessageA( hwnd, WM_SIZING, wpSizingHit, (LPARAM)&newRect );
 	      
 	      if (!iconic)