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Correctly move hardware messages between private queues. Fixes bugs

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#156 and #162.

svn path=/trunk/; revision=7796
This commit is contained in:
Gé van Geldorp 2004-01-20 23:35:59 +00:00
parent aa31a3cd3a
commit b95a905321
1 changed files with 15 additions and 4 deletions
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19
reactos/subsys/win32k/ntuser/msgqueue.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: msgqueue.c,v 1.63 2004/01/15 21:01:40 gvg Exp $
/* $Id: msgqueue.c,v 1.64 2004/01/20 23:35:59 gvg Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -240,7 +240,7 @@ BOOL STATIC STDCALL
MsqTranslateMouseMessage(HWND hWnd, UINT FilterLow, UINT FilterHigh,
PUSER_MESSAGE Message, BOOL Remove, PBOOL Freed,
PWINDOW_OBJECT ScopeWin, PUSHORT HitTest,
PPOINT ScreenPoint, PBOOL MouseClick)
PPOINT ScreenPoint, PBOOL MouseClick, BOOL FromGlobalQueue)
{
USHORT Msg = Message->Msg.message;
PWINDOW_OBJECT CaptureWin, Window = NULL;
@ -333,6 +333,17 @@ MsqTranslateMouseMessage(HWND hWnd, UINT FilterLow, UINT FilterHigh,
if (Window->MessageQueue != PsGetWin32Thread()->MessageQueue)
{
if (! FromGlobalQueue)
{
DPRINT("Moving msg between private queues\n");
/* This message is already queued in a private queue, but we need
* to move it to a different queue, perhaps because a new window
* was created which now covers the screen area previously taken
* by another window. To move it, we need to take it out of the
* old queue. Note that we're already holding the lock mutes of the
* old queue */
RemoveEntryList(&Message->ListEntry);
}
ExAcquireFastMutex(&Window->MessageQueue->HardwareLock);
InsertTailList(&Window->MessageQueue->HardwareMessagesListHead,
&Message->ListEntry);
@ -448,7 +459,7 @@ MsqPeekHardwareMessage(PUSER_MESSAGE_QUEUE MessageQueue, HWND hWnd,
Accept = MsqTranslateMouseMessage(hWnd, FilterLow, FilterHigh,
Current, Remove, &Freed,
DesktopWindow, &HitTest,
&ScreenPoint, &MouseClick);
&ScreenPoint, &MouseClick, FALSE);
if (Accept)
{
if (Remove)
@ -515,7 +526,7 @@ MsqPeekHardwareMessage(PUSER_MESSAGE_QUEUE MessageQueue, HWND hWnd,
Accept = MsqTranslateMouseMessage(hWnd, FilterLow, FilterHigh,
Current, Remove, &Freed,
DesktopWindow, &HitTest,
&ScreenPoint, &MouseClick);
&ScreenPoint, &MouseClick, TRUE);
ExAcquireFastMutex(&HardwareMessageQueueLock);
if (Accept)
{