static BOOL FASTCALL
co_IntSetForegroundAndFocusWindow(PWND Wnd, PWND FocusWindow, BOOL MouseActivate)
{
HWND hWnd = Wnd->head.h;
HWND hWndPrev = NULL;
HWND hWndFocus = FocusWindow->head.h;
HWND hWndFocusPrev = NULL;
PUSER_MESSAGE_QUEUE PrevForegroundQueue;
ASSERT_REFS_CO(Wnd);
TRACE("IntSetForegroundAndFocusWindow(%x, %x, %s)\n", hWnd, hWndFocus, MouseActivate ? "TRUE" : "FALSE");
if ((Wnd->style & (WS_CHILD | WS_POPUP)) == WS_CHILD)
{
TRACE("Failed - Child\n");
return FALSE;
}
if (0 == (Wnd->style & WS_VISIBLE) &&
Wnd->head.pti->pEThread->ThreadsProcess != CsrProcess)
{
TRACE("Failed - Invisible\n");
return FALSE;
}
PrevForegroundQueue = IntGetFocusMessageQueue();
if (PrevForegroundQueue != 0)
{
hWndPrev = PrevForegroundQueue->ActiveWindow;
hWndFocusPrev = PrevForegroundQueue->FocusWindow;
}
if (hWndPrev == hWnd)
{
TRACE("Failed - Same\n");
return TRUE;
}
/* FIXME: Call hooks. */
co_IntSendDeactivateMessages(hWndPrev, hWnd);
co_IntSendKillFocusMessages(hWndFocusPrev, hWndFocus);
IntSetFocusMessageQueue(Wnd->head.pti->MessageQueue);
if (Wnd->head.pti->MessageQueue)
{
Wnd->head.pti->MessageQueue->ActiveWindow = hWnd;
}
if (FocusWindow->head.pti->MessageQueue)
{
FocusWindow->head.pti->MessageQueue->FocusWindow = hWndFocus;
}
if (PrevForegroundQueue != Wnd->head.pti->MessageQueue)
{
/* FIXME: Send WM_ACTIVATEAPP to all thread windows. */
}
co_IntSendSetFocusMessages(hWndFocusPrev, hWndFocus);
co_IntSendActivateMessages(hWndPrev, hWnd, MouseActivate);
return TRUE;
}
/*
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;
}
NTSTATUS FASTCALL
UserAttachThreadInput(PTHREADINFO ptiFrom, PTHREADINFO ptiTo, BOOL fAttach)
{
MSG msg;
PATTACHINFO pai;
/* Can not be the same thread. */
if (ptiFrom == ptiTo) return STATUS_INVALID_PARAMETER;
/* Do not attach to system threads or between different desktops. */
if (ptiFrom->TIF_flags & TIF_DONTATTACHQUEUE ||
ptiTo->TIF_flags & TIF_DONTATTACHQUEUE ||
ptiFrom->rpdesk != ptiTo->rpdesk)
return STATUS_ACCESS_DENIED;
/* MSDN Note:
Keyboard and mouse events received by both threads are processed by the thread specified by the idAttachTo.
*/
/* If Attach set, allocate and link. */
if (fAttach)
{
pai = ExAllocatePoolWithTag(PagedPool, sizeof(ATTACHINFO), USERTAG_ATTACHINFO);
if (!pai) return STATUS_NO_MEMORY;
pai->paiNext = gpai;
pai->pti1 = ptiFrom;
pai->pti2 = ptiTo;
gpai = pai;
paiCount++;
ERR("Attach Allocated! ptiFrom 0x%p ptiTo 0x%p paiCount %d\n",ptiFrom,ptiTo,paiCount);
if (ptiTo->MessageQueue != ptiFrom->MessageQueue)
{
ptiTo->MessageQueue->iCursorLevel -= ptiFrom->iCursorLevel;
// FIXME: conditions?
if (ptiTo->MessageQueue == gpqForeground)
{
ERR("ptiTo is Foreground\n");
}
else
{
ERR("ptiTo NOT Foreground\n");
}
if (ptiFrom->MessageQueue == gpqForeground)
{
ERR("ptiFrom is Foreground\n");
ptiTo->MessageQueue->spwndActive = ptiFrom->MessageQueue->spwndActive;
ptiTo->MessageQueue->spwndFocus = ptiFrom->MessageQueue->spwndFocus;
ptiTo->MessageQueue->CursorObject = ptiFrom->MessageQueue->CursorObject;
ptiTo->MessageQueue->spwndCapture = ptiFrom->MessageQueue->spwndCapture;
ptiTo->MessageQueue->QF_flags ^= ((ptiTo->MessageQueue->QF_flags ^ ptiFrom->MessageQueue->QF_flags) & QF_CAPTURELOCKED);
ptiTo->MessageQueue->CaretInfo = ptiFrom->MessageQueue->CaretInfo;
IntSetFocusMessageQueue(NULL);
IntSetFocusMessageQueue(ptiTo->MessageQueue);
gptiForeground = ptiTo;
}
else
{
ERR("ptiFrom NOT Foreground\n");
}
MsqDestroyMessageQueue(ptiFrom);
ptiFrom->MessageQueue = ptiTo->MessageQueue;
ptiFrom->MessageQueue->cThreads++;
ERR("ptiTo S Share count %d\n", ptiFrom->MessageQueue->cThreads);
IntReferenceMessageQueue(ptiTo->MessageQueue);
}
else
{
ERR("Attach Threads are already associated!\n");
}
}
else /* If clear, unlink and free it. */
{
BOOL Hit = FALSE;
PATTACHINFO *ppai;
if (!gpai) return STATUS_INVALID_PARAMETER;
/* Search list and free if found or return false. */
ppai = &gpai;
while (*ppai != NULL)
{
if ( (*ppai)->pti2 == ptiTo && (*ppai)->pti1 == ptiFrom )
{
pai = *ppai;
/* Remove it from the list */
*ppai = (*ppai)->paiNext;
ExFreePoolWithTag(pai, USERTAG_ATTACHINFO);
paiCount--;
Hit = TRUE;
break;
}
ppai = &((*ppai)->paiNext);
}
if (!Hit) return STATUS_INVALID_PARAMETER;
ERR("Attach Free! ptiFrom 0x%p ptiTo 0x%p paiCount %d\n",ptiFrom,ptiTo,paiCount);
if (ptiTo->MessageQueue == ptiFrom->MessageQueue)
{
if (gptiForeground == ptiFrom)
{
ERR("ptiTo is now pti FG.\n");
// MessageQueue foreground is set so switch threads.
gptiForeground = ptiTo;
}
ptiTo->MessageQueue->cThreads--;
ERR("ptiTo E Share count %d\n", ptiTo->MessageQueue->cThreads);
ASSERT(ptiTo->MessageQueue->cThreads >= 1);
IntDereferenceMessageQueue(ptiTo->MessageQueue);
ptiFrom->MessageQueue = MsqCreateMessageQueue(ptiFrom);
ptiTo->MessageQueue->iCursorLevel -= ptiFrom->iCursorLevel;
}
else
{
ERR("Detaching Threads are not associated!\n");
}
}
/* Note that key state, which can be ascertained by calls to the GetKeyState
or GetKeyboardState function, is reset after a call to AttachThreadInput.
ATM which one?
*/
RtlCopyMemory(ptiTo->MessageQueue->afKeyState, gafAsyncKeyState, sizeof(gafAsyncKeyState));
/* Generate mouse move message */
msg.message = WM_MOUSEMOVE;
msg.wParam = UserGetMouseButtonsState();
msg.lParam = MAKELPARAM(gpsi->ptCursor.x, gpsi->ptCursor.y);
msg.pt = gpsi->ptCursor;
co_MsqInsertMouseMessage(&msg, 0, 0, TRUE);
return STATUS_SUCCESS;
}
