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Added checks to guard against NULL active window.

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This commit is contained in:
Francis Beaudet 1999-02-28 10:01:44 +00:00 committed by Alexandre Julliard
parent 460881ce82
commit dae09c99a2
1 changed files with 7 additions and 2 deletions
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9
windows/winpos.c
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@ -1593,6 +1593,9 @@ BOOL WINPOS_SetActiveWindow( HWND hWnd, BOOL fMouse, BOOL fChangeFocus)
/* check if something happened during message processing
* (global active queue may have changed)
*/
if (hActiveQueue==0)
goto CLEANUP;
pTempActiveQueue = QUEUE_Lock( hActiveQueue );
hwndActive = PERQDATA_GetActiveWnd( pTempActiveQueue->pQData );
QUEUE_Unlock( pTempActiveQueue );
@ -1637,7 +1640,8 @@ BOOL WINPOS_SetActiveWindow( HWND hWnd, BOOL fMouse, BOOL fChangeFocus)
{
WND **list, **ppWnd;
if ((list = WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL )))
if ( (hNewActiveQueue!=0) &&
(list = WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL )))
{
for (ppWnd = list; *ppWnd; ppWnd++)
{
@ -1652,7 +1656,8 @@ BOOL WINPOS_SetActiveWindow( HWND hWnd, BOOL fMouse, BOOL fChangeFocus)
hActiveQueue = hNewActiveQueue;
if ((list = WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL )))
if ( (hOldActiveQueue!=0) &&
(list = WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL )))
{
for (ppWnd = list; *ppWnd; ppWnd++)
{