[jimtabor] 66085: [Win32ss] - Fix window from point so it handles disabled windows correctly. - Cleanup processing mouse routine. - See CORE-7447.

Author: jimtabor
Date: Sun Jan 25 15:57:22 2015
New Revision: 66085

URL: http://svn.reactos.org/svn/reactos?rev=66085&view=rev
Log:
[Win32ss]
- Fix window from point so it handles disabled windows correctly.
- Cleanup processing mouse routine.
- See CORE-7447.

Modified:
    trunk/reactos/win32ss/user/ntuser/msgqueue.c
    trunk/reactos/win32ss/user/ntuser/winpos.c

Modified: trunk/reactos/win32ss/user/ntuser/msgqueue.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/user/ntuser/msgqueu...
==============================================================================
--- trunk/reactos/win32ss/user/ntuser/msgqueue.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/user/ntuser/msgqueue.c	[iso-8859-1] Sun Jan 25 15:57:22 2015
@@ -61,7 +61,9 @@
             continue;
         }

-        if ((pWnd->style & WS_VISIBLE) && IntPtInWindow(pWnd, x, y))
+        if ((pWnd->style & WS_VISIBLE) &&
+            (pWnd->ExStyle & (WS_EX_LAYERED|WS_EX_TRANSPARENT)) == 0 &&
+            IntPtInWindow(pWnd, x, y))
             return pWnd;
     }

@@ -1476,18 +1478,17 @@
     MOUSEHOOKSTRUCT hook;
     BOOL eatMsg = FALSE;

-    PWND pwndMsg, pwndDesktop, pwndOrig;
+    PWND pwndMsg, pwndDesktop;
     PUSER_MESSAGE_QUEUE MessageQueue;
     PTHREADINFO pti;
     PSYSTEM_CURSORINFO CurInfo;
     PDESKTOP pDesk;
-    DECLARE_RETURN(BOOL);

pti = PsGetCurrentThreadWin32Thread();
     pwndDesktop = UserGetDesktopWindow();
     MessageQueue = pti->MessageQueue;
     CurInfo = IntGetSysCursorInfo();
-    pwndOrig = pwndMsg = ValidateHwndNoErr(msg->hwnd);
+    pwndMsg = ValidateHwndNoErr(msg->hwnd);
     clk_msg = MessageQueue->msgDblClk;
     pDesk = pwndDesktop->head.rpdesk;

@@ -1496,7 +1497,6 @@
     {
         hittest = HTCLIENT;
         pwndMsg = MessageQueue->spwndCapture;
-        if (pwndMsg) UserReferenceObject(pwndMsg);
     }
     else
     {
@@ -1504,18 +1504,6 @@
            Start with null window. See wine win.c:test_mouse_input:WM_COMMAND tests.
         */
         pwndMsg = co_WinPosWindowFromPoint( NULL, &msg->pt, &hittest, FALSE);
-        //
-        // CORE-6129, Override if a diabled window, it might have a visible popup.
-        //
-        if ( pwndOrig && pwndOrig->style & WS_DISABLED )
-        {
-           if ( hittest == (USHORT)HTERROR )
-           {
-               if (pwndMsg) UserReferenceObject(pwndMsg);
-               pwndMsg = pwndOrig;
-               UserReferenceObject(pwndMsg);
-           }
-        }
     }

TRACE("Got mouse message for %p, hittest: 0x%x\n", msg->hwnd, hittest);
@@ -1525,7 +1513,7 @@
     {
         /* Remove and ignore the message */
         *RemoveMessages = TRUE;
-        RETURN(FALSE);
+        return FALSE;
     }

if ( MessageQueue == gpqCursor ) // Cursor must use the same Queue!
@@ -1600,7 +1588,7 @@
         if (!((first ==  0 && last == 0) || (message >= first || message <= last)))
         {
             TRACE("Message out of range!!!\n");
-            RETURN(FALSE);
+            return FALSE;
         }

/* update static double click conditions */
@@ -1611,7 +1599,7 @@
         if (!((first ==  0 && last == 0) || (message >= first || message <= last)))
         {
             TRACE("Message out of range!!!\n");
-            RETURN(FALSE);
+            return FALSE;
         }

// Update mouse move down keys.
@@ -1621,7 +1609,7 @@
         }
     }

-    if(gspv.bMouseClickLock)
+    if (gspv.bMouseClickLock)
     {
         BOOL IsClkLck = FALSE;

@@ -1649,11 +1637,11 @@
             /* Remove and ignore the message */
             *RemoveMessages = TRUE;
             TRACE("Remove and ignore the message\n");
-            RETURN(FALSE);
+            return FALSE;
         }
     }

-    /* message is accepted now (but may still get dropped) */
+    /* message is accepted now (but still get dropped) */

event.message = msg->message;
     event.time    = msg->time;
@@ -1679,23 +1667,23 @@

/* Remove and skip message */
         *RemoveMessages = TRUE;
-        RETURN(FALSE);
+        return FALSE;
     }

if ((hittest == (USHORT)HTERROR) || (hittest == (USHORT)HTNOWHERE))
     {
         co_IntSendMessage( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd, MAKELONG( hittest, msg->message ));
-        ERR("HT errors!\n");
+
         /* Remove and skip message */
         *RemoveMessages = TRUE;
-        RETURN(FALSE);
+        return FALSE;
     }

if ((*RemoveMessages == FALSE) || MessageQueue->spwndCapture)
     {
         /* Accept the message */
         msg->message = message;
-        RETURN(TRUE);
+        return TRUE;
     }

if ((msg->message == WM_LBUTTONDOWN) ||
@@ -1753,13 +1741,7 @@
     co_IntSendMessage( msg->hwnd, WM_SETCURSOR, (WPARAM)msg->hwnd, MAKELONG( hittest, msg->message ));

msg->message = message;
-    RETURN(!eatMsg);
-
-CLEANUP:
-    if(pwndMsg)
-        UserDereferenceObject(pwndMsg);
-
-    END_CLEANUP;
+    return !eatMsg;
 }

BOOL co_IntProcessKeyboardMessage(MSG* Msg, BOOL* RemoveMessages)

Modified: trunk/reactos/win32ss/user/ntuser/winpos.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/user/ntuser/winpos....
==============================================================================
--- trunk/reactos/win32ss/user/ntuser/winpos.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/user/ntuser/winpos.c	[iso-8859-1] Sun Jan 25 15:57:22 2015
@@ -2417,29 +2417,41 @@
    IN BOOL Ignore
    )
 {
-    PWND pwndChild;
     HWND *List, *phWnd;
-
+    PWND pwndChild = NULL;
+
+    /* not visible */
     if (!(ScopeWin->style & WS_VISIBLE))
     {
         return NULL;
     }

+    /* not in window or in window region */
+    if (!IntPtInWindow(ScopeWin, Point->x, Point->y))
+    {
+        return NULL;
+    }
+
+    /* transparent */
+    if ((ScopeWin->ExStyle & (WS_EX_LAYERED|WS_EX_TRANSPARENT)) == (WS_EX_LAYERED|WS_EX_TRANSPARENT))
+    {
+        return NULL;
+    }
+
     if (!Ignore && (ScopeWin->style & WS_DISABLED))
-    {
+    {   /* disabled child */
+        if ((ScopeWin->style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return NULL;
+        /* process the hit error */
         *HitTest = HTERROR;
-        return NULL;
-    }
-
-    if (!IntPtInWindow(ScopeWin, Point->x, Point->y))
-    {
-        return NULL;
-    }
-
-    UserReferenceObject(ScopeWin);
-
-    if (RECTL_bPointInRect(&ScopeWin->rcClient, Point->x, Point->y))
-    {
+        return ScopeWin;
+    }
+
+    /* not minimized and check if point is inside the window */
+    if (!(ScopeWin->style & WS_MINIMIZE) && 
+         RECTL_bPointInRect(&ScopeWin->rcClient, Point->x, Point->y) )
+    {
+        UserReferenceObject(ScopeWin);
+
         List = IntWinListChildren(ScopeWin);
         if (List)
         {
@@ -2462,6 +2474,7 @@
             }
             ExFreePoolWithTag(List, USERTAG_WINDOWLIST);
         }
+        UserDereferenceObject(ScopeWin);
     }

if (ScopeWin->head.pti == PsGetCurrentThreadWin32Thread())
@@ -2470,20 +2483,23 @@

if ((*HitTest) == (USHORT)HTTRANSPARENT)
        {
-           UserDereferenceObject(ScopeWin);
            return NULL;
        }
     }
     else
     {
-        if (*HitTest == HTNOWHERE) *HitTest = HTCLIENT;
+       if (*HitTest == HTNOWHERE && pwndChild == NULL) *HitTest = HTCLIENT;
     }

return ScopeWin;
 }

PWND APIENTRY
-co_WinPosWindowFromPoint(IN PWND ScopeWin, IN POINT *WinPoint, IN OUT USHORT* HitTest, IN BOOL Ignore)
+co_WinPosWindowFromPoint(
+   IN PWND ScopeWin,
+   IN POINT *WinPoint,
+   IN OUT USHORT* HitTest,
+   IN BOOL Ignore)
 {
    PWND Window;
    POINT Point = *WinPoint;
@@ -3433,7 +3449,6 @@
    RETURN( NULL);

CLEANUP:
-   if (Window) UserDereferenceObject(Window);
    if (DesktopWindow) UserDerefObjectCo(DesktopWindow);

TRACE("Leave NtUserWindowFromPoint, ret=%p\n", _ret_);