window pointer was incorrectly passed as wparam to co_IntSendMessage instead of hwnd

svn path=/trunk/; revision=17729

diff --git a/reactos/subsys/win32k/ntuser/message.c b/reactos/subsys/win32k/ntuser/message.c
index 365ba3d..88fbc36 100644 (file)
--- a/reactos/subsys/win32k/ntuser/message.c
+++ b/reactos/subsys/win32k/ntuser/message.c
@@ -506,6 +506,7 @@ co_IntActivateWindowMouse(PUSER_MESSAGE_QUEUE ThreadQueue, LPMSG Msg, PWINDOW_OB
                        USHORT *HitTest)
 {
   ULONG Result;
+  PWINDOW_OBJECT Parent;
 
   if(*HitTest == (USHORT)HTTRANSPARENT)
   {
@@ -513,7 +514,14 @@ co_IntActivateWindowMouse(PUSER_MESSAGE_QUEUE ThreadQueue, LPMSG Msg, PWINDOW_OB
     return TRUE;
   }
 
-  Result = co_IntSendMessage(MsgWindow->hSelf, WM_MOUSEACTIVATE, (WPARAM)IntGetParent(MsgWindow), (LPARAM)MAKELONG(*HitTest, Msg->message));
+  Parent = IntGetParent(MsgWindow);
+  /* fixme: abort if no parent ? */ 
+  Result = co_IntSendMessage(MsgWindow->hSelf, 
+      WM_MOUSEACTIVATE, 
+      (WPARAM) (Parent ? Parent->hSelf : NULL), 
+      (LPARAM)MAKELONG(*HitTest, Msg->message)
+      );
+      
   switch (Result)
   {
     case MA_NOACTIVATEANDEAT: