HWND APIENTRY
NtUserSetActiveWindow(HWND hWnd)
{
USER_REFERENCE_ENTRY Ref;
DECLARE_RETURN(HWND);
TRACE("Enter NtUserSetActiveWindow(%x)\n", hWnd);
UserEnterExclusive();
if (hWnd)
{
PWND Window;
PTHREADINFO pti;
PUSER_MESSAGE_QUEUE ThreadQueue;
HWND hWndPrev;
if (!(Window = UserGetWindowObject(hWnd)))
{
RETURN( 0);
}
pti = PsGetCurrentThreadWin32Thread();
ThreadQueue = pti->MessageQueue;
if (Window->head.pti->MessageQueue != ThreadQueue)
{
EngSetLastError(ERROR_INVALID_WINDOW_HANDLE);
RETURN( 0);
}
UserRefObjectCo(Window, &Ref);
hWndPrev = co_IntSetActiveWindow(Window);
UserDerefObjectCo(Window);
RETURN( hWndPrev);
}
else
{
RETURN( co_IntSetActiveWindow(0));
}
CLEANUP:
TRACE("Leave NtUserSetActiveWindow, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
HWND FASTCALL co_UserSetFocus(PWND Wnd OPTIONAL)
{
if (Wnd)
{
PTHREADINFO pti;
PUSER_MESSAGE_QUEUE ThreadQueue;
HWND hWndPrev;
PWND TopWnd;
USER_REFERENCE_ENTRY Ref;
ASSERT_REFS_CO(Wnd);
pti = PsGetCurrentThreadWin32Thread();
ThreadQueue = pti->MessageQueue;
if (Wnd->style & (WS_MINIMIZE | WS_DISABLED))
{
return( (ThreadQueue ? ThreadQueue->FocusWindow : 0));
}
if (Wnd->head.pti->MessageQueue != ThreadQueue)
{
EngSetLastError(ERROR_INVALID_WINDOW_HANDLE);
return( 0);
}
TopWnd = UserGetAncestor(Wnd, GA_ROOT);
if (TopWnd && TopWnd->head.h != UserGetActiveWindow())
{
// PWND WndTops = UserGetWindowObject(hWndTop);
UserRefObjectCo(TopWnd, &Ref);
co_IntSetActiveWindow(TopWnd);
UserDerefObjectCo(TopWnd);
}
hWndPrev = co_IntSetFocusWindow(Wnd);
return( hWndPrev);
}
else
{
return( co_IntSetFocusWindow(NULL));
}
}
BOOL FASTCALL
UserSetActiveWindow(PWND Wnd)
{
if (Wnd) // Must have a window!
{
if ((Wnd->style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
return co_IntSetActiveWindow(Wnd, FALSE, TRUE, FALSE);
}
/*
Yes your eye are not deceiving you~!
First part of wines Win.c test_SetActiveWindow:
flush_events( TRUE );
ShowWindow(hwnd, SW_HIDE);
SetFocus(0);
SetActiveWindow(0);
check_wnd_state(0, 0, 0, 0); <-- This should pass if ShowWindow does it's job!!! As of 10/28/2012 it does!
*/
return FALSE;
}
HWND APIENTRY
NtUserSetActiveWindow(HWND hWnd)
{
USER_REFERENCE_ENTRY Ref;
HWND hWndPrev;
PWND Window;
DECLARE_RETURN(HWND);
TRACE("Enter NtUserSetActiveWindow(%x)\n", hWnd);
UserEnterExclusive();
Window = NULL;
if (hWnd)
{
if (!(Window = UserGetWindowObject(hWnd)))
{
ERR("NtUserSetActiveWindow: Invalid handle 0x%p!\n",hWnd);
RETURN( NULL);
}
}
if (!Window ||
Window->head.pti->MessageQueue == gptiCurrent->MessageQueue)
{
hWndPrev = gptiCurrent->MessageQueue->spwndActive ? UserHMGetHandle(gptiCurrent->MessageQueue->spwndActive) : NULL;
if (Window) UserRefObjectCo(Window, &Ref);
co_IntSetActiveWindow(Window, NULL, FALSE, TRUE, FALSE);
if (Window) UserDerefObjectCo(Window);
RETURN( hWndPrev ? (IntIsWindow(hWndPrev) ? hWndPrev : 0) : 0 );
}
RETURN( NULL);
CLEANUP:
TRACE("Leave NtUserSetActiveWindow, ret=%p\n",_ret_);
UserLeave();
END_CLEANUP;
}
HWND FASTCALL
co_UserSetFocus(PWND Window)
{
HWND hWndPrev = 0;
PWND pwndTop;
PTHREADINFO pti;
PUSER_MESSAGE_QUEUE ThreadQueue;
if (Window)
ASSERT_REFS_CO(Window);
pti = PsGetCurrentThreadWin32Thread();
ThreadQueue = pti->MessageQueue;
ASSERT(ThreadQueue != 0);
TRACE("Enter SetFocus hWnd 0x%p pti 0x%p\n",Window ? UserHMGetHandle(Window) : 0, pti );
hWndPrev = ThreadQueue->spwndFocus ? UserHMGetHandle(ThreadQueue->spwndFocus) : 0;
if (Window != 0)
{
if (hWndPrev == UserHMGetHandle(Window))
{
return hWndPrev ? (IntIsWindow(hWndPrev) ? hWndPrev : 0) : 0; /* Nothing to do */
}
if (Window->head.pti->MessageQueue != ThreadQueue)
{
ERR("SetFocus Must have the same Q!\n");
return 0;
}
/* Check if we can set the focus to this window */
for (pwndTop = Window; pwndTop != NULL; pwndTop = pwndTop->spwndParent)
{
if (pwndTop->style & (WS_MINIMIZED|WS_DISABLED)) return 0;
if ((pwndTop->style & (WS_POPUP|WS_CHILD)) != WS_CHILD) break;
}
if (co_HOOK_CallHooks( WH_CBT, HCBT_SETFOCUS, (WPARAM)Window->head.h, (LPARAM)hWndPrev))
{
ERR("SetFocus 1 WH_CBT Call Hook return!\n");
return 0;
}
/* Activate pwndTop if needed. */
if (pwndTop != ThreadQueue->spwndActive)
{
PUSER_MESSAGE_QUEUE ForegroundQueue = IntGetFocusMessageQueue(); // Keep it based on desktop.
if (ThreadQueue != ForegroundQueue && IsAllowedFGActive(pti, pwndTop)) // Rule 2 & 3.
{
//ERR("SetFocus: Set Foreground!\n");
if (!(pwndTop->style & WS_VISIBLE))
{
pti->ppi->W32PF_flags |= W32PF_ALLOWFOREGROUNDACTIVATE;
}
if (!co_IntSetForegroundAndFocusWindow(pwndTop, FALSE))
{
ERR("SetFocus: Set Foreground and Focus Failed!\n");
return 0;
}
}
/* Set Active when it is needed. */
if (pwndTop != ThreadQueue->spwndActive)
{
//ERR("SetFocus: Set Active!\n");
if (!co_IntSetActiveWindow(pwndTop, FALSE, FALSE, FALSE))
{
ERR("SetFocus: Set Active Failed!\n");
return 0;
}
}
/* Abort if window destroyed */
if (Window->state2 & WNDS2_INDESTROY) return 0;
/* Do not change focus if the window is no longer active */
if (pwndTop != ThreadQueue->spwndActive)
{
ERR("SetFocus: Top window did not go active!\n");
return 0;
}
}
// Check again! SetActiveWindow could have set the focus via WM_ACTIVATE.
hWndPrev = ThreadQueue->spwndFocus ? UserHMGetHandle(ThreadQueue->spwndFocus) : 0;
IntSendFocusMessages( pti, Window);
TRACE("Focus: %p -> %p\n", hWndPrev, Window->head.h);
}
else /* NULL hwnd passed in */
{
if (co_HOOK_CallHooks( WH_CBT, HCBT_SETFOCUS, (WPARAM)0, (LPARAM)hWndPrev))
{
ERR("SetFocus: 2 WH_CBT Call Hook return!\n");
return 0;
}
/* set the current thread focus window null */
IntSendFocusMessages( pti, NULL);
}
return hWndPrev ? (IntIsWindow(hWndPrev) ? hWndPrev : 0) : 0;
}
/*
MSDN:
The system restricts which processes can set the foreground window. A process
can set the foreground window only if one of the following conditions is true:
* The process is the foreground process.
* The process was started by the foreground process.
* The process received the last input event.
* There is no foreground process.
* The foreground process is being debugged.
* The foreground is not locked (see LockSetForegroundWindow).
* The foreground lock time-out has expired (see SPI_GETFOREGROUNDLOCKTIMEOUT in SystemParametersInfo).
* No menus are active.
*/
static
BOOL FASTCALL
co_IntSetForegroundAndFocusWindow(
_In_ PWND Wnd,
_In_ BOOL MouseActivate)
{
HWND hWnd = Wnd ? UserHMGetHandle(Wnd) : NULL;
HWND hWndPrev = NULL;
PWND pWndPrev = NULL;
PUSER_MESSAGE_QUEUE PrevForegroundQueue;
PTHREADINFO pti;
BOOL fgRet = FALSE, Ret = FALSE;
if (Wnd) ASSERT_REFS_CO(Wnd);
//ERR("SetForegroundAndFocusWindow(%x, %s)\n", hWnd, (MouseActivate ? "TRUE" : "FALSE"));
PrevForegroundQueue = IntGetFocusMessageQueue(); // Use this active desktop.
pti = PsGetCurrentThreadWin32Thread();
if (PrevForegroundQueue)
{ // Same Window Q as foreground just do active.
if (Wnd && Wnd->head.pti->MessageQueue == PrevForegroundQueue)
{
//ERR("Same Window Q as foreground just do active.\n");
if (pti->MessageQueue == PrevForegroundQueue)
{ // Same WQ and TQ go active.
//ERR("Same WQ and TQ go active.\n");
Ret = co_IntSetActiveWindow(Wnd, MouseActivate, TRUE, FALSE);
}
else if (Wnd->head.pti->MessageQueue->spwndActive == Wnd)
{ // Same WQ and it is active.
//ERR("Same WQ and it is active.\n");
Ret = TRUE;
}
else
{ // Same WQ as FG but not the same TQ send active.
//ERR("Same WQ as FG but not the same TQ send active.\n");
co_IntSendMessage(hWnd, WM_ASYNC_SETACTIVEWINDOW, (WPARAM)Wnd, (LPARAM)MouseActivate );
Ret = TRUE;
}
return Ret;
}
hWndPrev = PrevForegroundQueue->spwndActive ? UserHMGetHandle(PrevForegroundQueue->spwndActive) : 0;
pWndPrev = PrevForegroundQueue->spwndActive;
}
if ( (( !IsFGLocked() || pti->ppi == gppiInputProvider ) &&
( CanForceFG(pti->ppi) || pti->TIF_flags & (TIF_SYSTEMTHREAD|TIF_CSRSSTHREAD|TIF_ALLOWFOREGROUNDACTIVATE) )) ||
pti->ppi == ppiScrnSaver
)
{
//ToggleFGActivate(pti); // win.c line 2662 fail
if (Wnd)
{
IntSetFocusMessageQueue(Wnd->head.pti->MessageQueue);
gptiForeground = Wnd->head.pti;
//ERR("Set Foreground pti 0x%p Q 0x%p hWnd 0x%p\n",Wnd->head.pti, Wnd->head.pti->MessageQueue,Wnd->head.h);
}
else
{
IntSetFocusMessageQueue(NULL);
gptiForeground = NULL;
//ERR("Set Foreground pti 0x0 Q 0x0 hWnd 0x0\n");
}
/*
Henri Verbeet,
What happens is that we get the WM_WINE_SETACTIVEWINDOW message sent by the
other thread after we already changed the foreground window back to our own
window.
*/
//ERR("SFAFW: 1\n");
FindRemoveAsyncMsg(Wnd, 0); // Do this to fix test_SFW todos!
fgRet = TRUE;
}
// Fix FG Bounce with regedit.
if (hWndPrev != hWnd )
{
if (PrevForegroundQueue &&
fgRet &&
PrevForegroundQueue->spwndActive)
{
//ERR("SFGW: Send NULL to 0x%x\n",hWndPrev);
if (pti->MessageQueue == PrevForegroundQueue)
{
//ERR("SFGW: TI same as Prev TI\n");
co_IntSetActiveWindow(NULL, FALSE, TRUE, FALSE);
}
else if (pWndPrev)
{
//ERR("SFGW Deactivate: TI not same as Prev TI\n");
// No real reason to wait here.
co_IntSendMessageNoWait(hWndPrev, WM_ASYNC_SETACTIVEWINDOW, 0, 0 );
}
}
}
if (!Wnd) return FALSE; // Always return false.
if (pti->MessageQueue == Wnd->head.pti->MessageQueue)
{
//ERR("Same PQ and WQ go active.\n");
Ret = co_IntSetActiveWindow(Wnd, MouseActivate, TRUE, FALSE);
}
else if (Wnd->head.pti->MessageQueue->spwndActive == Wnd)
{
//ERR("Same Active and Wnd.\n");
Ret = TRUE;
}
else
{
//ERR("Activate Not same PQ and WQ and Wnd.\n");
co_IntSendMessageNoWait(hWnd, WM_ASYNC_SETACTIVEWINDOW, (WPARAM)Wnd, (LPARAM)MouseActivate );
Ret = TRUE;
}
return Ret && fgRet;
}
