Changeset 138 for trunk/src/user32/wndclass.cpp

Timestamp:

Jun 21, 1999, 2:21:26 AM (26 years ago)

Author:

buerkle

Message:

* empty log message *

File:

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

trunk/src/user32/wndclass.cpp

@@ -1 @@
-/* $Id: wndclass.cpp,v 1.5 1999-06-20 16:47:38 sandervl Exp $ */
+/* $Id: wndclass.cpp,v 1.6 1999-06-21 00:21:26 buerkle Exp $ */
 
 /*
@@ -844 +844 @@
                 case WM_ACTIVATE:
                         if(LOWORD(wParam) != WA_INACTIVE)
-                        {//SvL: Bugfix, Open32 is NOT sending this to the window (messes up Solitaire)
-                         HDC hdc = GetDC(hwnd);
-
-                                wclass->GetWinCallback()(hwnd, WM_ERASEBKGND, hdc, 0);
-                                ReleaseDC(hwnd, hdc);
-                        }
+                  {
+                   //EB: I think the problem is not a missing wm_erasebkgnd.
+                   //Maybe some wrong flags in open32 during async repainting.
+                   //SvL: Bugfix, Open32 is NOT sending this to the window (messes up Solitaire)
+                   RECT rect;
+                   HRGN hrgn;
+                   HDC hdc = GetDC(hwnd);
+
+                   // erase the dirty rect
+                   GetUpdateRect(hwnd, &rect, TRUE);
+                   hrgn = CreateRectRgnIndirect(&rect);
+                   SelectClipRgn (hdc, hrgn);
+                   DeleteObject (hrgn);
+                   wclass->GetWinCallback()(hwnd, WM_ERASEBKGND, hdc, (LPARAM)&rect);
+                   SelectClipRgn (hdc, NULL);
+                   ReleaseDC(hwnd, hdc);
+                  }
                         break;
                 }