Changeset 5835 for trunk/src

Timestamp:

May 30, 2001, 10:00:29 AM (24 years ago)

Author:

sandervl

Message:

RedrawWindow fix (erase background)

File:

• trunk/src/user32/dc.cpp (modified) (2 diffs)

trunk/src/user32/dc.cpp

@@ -1 @@
-/* $Id: dc.cpp,v 1.105 2001-05-23 08:35:57 sandervl Exp $ */
+/* $Id: dc.cpp,v 1.106 2001-05-30 08:00:29 sandervl Exp $ */
 
 /*
@@ -1214 +1214 @@
     if (redraw & RDW_INVALIDATE_W)
     {
-        //TODO: SvL: pingpong.exe doesn't have RDW_NOERASE, but doesn't want WM_ERASEBKGND msgs
+        //TODO: SvL: pingpong.exe doesn't have RDW_NOERASE, but doesn't want WM_ERASEBKGND msgs        
         if (redraw & RDW_ERASE_W) {
-             wnd->setEraseBkgnd(TRUE);
-        }
-        else wnd->setEraseBkgnd(FALSE);
+            wnd->setEraseBkgnd(TRUE);
+        }
+        else 
+        //Don't clear erase background flag if the window is 
+        //already (partly) invalidated
+        if (!WinQueryUpdateRect (hwnd, NULL)) {
+            wnd->setEraseBkgnd(FALSE);
+        }
 
         if (!pRect && !hrgn)