Changeset 9933 for trunk/src/user32/pmwindow.cpp

Timestamp:

Mar 22, 2003, 9:27:12 PM (22 years ago)

Author:

sandervl

Message:

Changes for applications that don't validate the update region of a window during WM_PAINT

File:

• trunk/src/user32/pmwindow.cpp (modified) (3 diffs)

trunk/src/user32/pmwindow.cpp

@@ -1 @@
-/* $Id: pmwindow.cpp,v 1.202 2003-03-20 13:20:44 sandervl Exp $ */
+/* $Id: pmwindow.cpp,v 1.203 2003-03-22 20:27:11 sandervl Exp $ */
 /*
  * Win32 Window Managment Code for OS/2
@@ -866 +866 @@
       BOOL  rc;
 
+        win32wnd->checkForDirtyUpdateRegion();
+
         rc = WinQueryUpdateRect(hwnd, &rectl);
         dprintf(("OS2: WM_PAINT %x (%d,%d) (%d,%d) rc=%d", win32wnd->getWindowHandle(), rectl.xLeft, rectl.yBottom, rectl.xRight, rectl.yTop, rc));
@@ -873 +875 @@
         {
                 win32wnd->DispatchMsgA(pWinMsg);
+                if(WinQueryUpdateRect(hwnd, NULL) == TRUE) 
+                {//the application didn't validate the update region; Windows
+                 //will only send a WM_PAINT once until another part of the
+                 //window is invalidated. Unfortunately PM keeps on sending
+                 //WM_PAINT messages until we validate the update region.
+
+                    win32wnd->saveAndValidateUpdateRegion();
+                }
         }
         else    goto RunDefWndProc;