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user32: Use a simplified sequence to destroy windows at thread exit, since we don't want to send messages.

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This commit is contained in:
Alexandre Julliard 2009-06-03 11:30:29 +02:00
parent 5dcf157b5b
commit 95f8371a16
1 changed files with 78 additions and 4 deletions
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82
dlls/user32/win.c
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@ -712,6 +712,75 @@ LRESULT WIN_DestroyWindow( HWND hwnd )
return 0;
}
/***********************************************************************
* destroy_thread_window
*
* Destroy a window upon exit of its thread.
*/
static void destroy_thread_window( HWND hwnd )
{
WND *wndPtr;
HWND *list;
HMENU menu = 0, sys_menu = 0;
WORD index;
/* free child windows */
if ((list = WIN_ListChildren( hwnd )))
{
int i;
for (i = 0; list[i]; i++)
{
if (WIN_IsCurrentThread( list[i] )) destroy_thread_window( list[i] );
else SendMessageW( list[i], WM_WINE_DESTROYWINDOW, 0, 0 );
}
HeapFree( GetProcessHeap(), 0, list );
}
/* destroy the client-side storage */
index = USER_HANDLE_TO_INDEX(hwnd);
if (index >= NB_USER_HANDLES) return;
USER_Lock();
if ((wndPtr = user_handles[index]))
{
if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD) menu = (HMENU)wndPtr->wIDmenu;
sys_menu = wndPtr->hSysMenu;
free_dce( wndPtr->dce, hwnd );
user_handles[index] = NULL;
wndPtr->dwMagic = 0;
}
USER_Unlock();
HeapFree( GetProcessHeap(), 0, wndPtr );
if (menu) DestroyMenu( menu );
if (sys_menu) DestroyMenu( sys_menu );
}
/***********************************************************************
* destroy_thread_child_windows
*
* Destroy child windows upon exit of its thread.
*/
static void destroy_thread_child_windows( HWND hwnd )
{
HWND *list;
int i;
if (WIN_IsCurrentThread( hwnd ))
{
destroy_thread_window( hwnd );
}
else if ((list = WIN_ListChildren( hwnd )))
{
for (i = 0; list[i]; i++) destroy_thread_child_windows( list[i] );
HeapFree( GetProcessHeap(), 0, list );
}
}
/***********************************************************************
* WIN_DestroyThreadWindows
*
@ -723,13 +792,18 @@ void WIN_DestroyThreadWindows( HWND hwnd )
int i;
if (!(list = WIN_ListChildren( hwnd ))) return;
/* reset owners of top-level windows */
for (i = 0; list[i]; i++)
{
if (WIN_IsCurrentThread( list[i] ))
DestroyWindow( list[i] );
else
WIN_DestroyThreadWindows( list[i] );
if (!WIN_IsCurrentThread( list[i] ))
{
HWND owner = GetWindow( list[i], GW_OWNER );
if (owner && WIN_IsCurrentThread( owner )) WIN_SetOwner( list[i], 0 );
}
}
for (i = 0; list[i]; i++) destroy_thread_child_windows( list[i] );
HeapFree( GetProcessHeap(), 0, list );
}