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reactos/win32ss/user/ntuser/focus.c
Timo Kreuzer 2d9c88e0c5
[WIN32K] Fix 64 bit issues (#420) 
- Fix ULONG/SIZE_T issues
- Use LOWORD/HIWORD
- Change a struct member to HANDLE
- Implement lstrlenW helper function
2018-03-18 15:53:52 +01:00

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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Win32k subsystem
* PURPOSE: Focus functions
* FILE: win32ss/user/ntuser/focus.c
* PROGRAMER: ReactOS Team
*/
#include <win32k.h>
DBG_DEFAULT_CHANNEL(UserFocus);
PUSER_MESSAGE_QUEUE gpqForeground = NULL;
PUSER_MESSAGE_QUEUE gpqForegroundPrev = NULL;
PTHREADINFO gptiForeground = NULL;
PPROCESSINFO gppiLockSFW = NULL;
ULONG guSFWLockCount = 0; // Rule #8, No menus are active. So should be zero.
PTHREADINFO ptiLastInput = NULL;
/*
Check locking of a process or one or more menus are active.
*/
BOOL FASTCALL
IsFGLocked(VOID)
{
return (gppiLockSFW || guSFWLockCount);
}
/*
Get capture window via foreground Queue.
*/
HWND FASTCALL
IntGetCaptureWindow(VOID)
{
PUSER_MESSAGE_QUEUE ForegroundQueue = IntGetFocusMessageQueue();
return ( ForegroundQueue ? (ForegroundQueue->spwndCapture ? UserHMGetHandle(ForegroundQueue->spwndCapture) : 0) : 0);
}
HWND FASTCALL
IntGetThreadFocusWindow(VOID)
{
PTHREADINFO pti;
PUSER_MESSAGE_QUEUE ThreadQueue;
pti = PsGetCurrentThreadWin32Thread();
ThreadQueue = pti->MessageQueue;
if (!ThreadQueue)
return NULL;
return ThreadQueue->spwndFocus ? UserHMGetHandle(ThreadQueue->spwndFocus) : 0;
}
VOID FASTCALL
UpdateShellHook(PWND Window)
{
if ( Window->spwndParent == UserGetDesktopWindow() &&
Window->spwndOwner == NULL &&
(!(Window->ExStyle & WS_EX_TOOLWINDOW) ||
(Window->ExStyle & WS_EX_APPWINDOW)))
{
// FIXME lParam; The value is TRUE if the window is in full-screen mode, or FALSE otherwise.
co_IntShellHookNotify(HSHELL_WINDOWACTIVATED, (WPARAM) UserHMGetHandle(Window), FALSE);
}
else
{
co_IntShellHookNotify(HSHELL_WINDOWACTIVATED, 0, FALSE);
}
}
BOOL FASTCALL
co_IntSendDeactivateMessages(HWND hWndPrev, HWND hWnd, BOOL Clear)
{
USER_REFERENCE_ENTRY RefPrev;
PWND WndPrev;
BOOL Ret = TRUE;
LPARAM lParam = hWnd ? (LPARAM)hWnd : 0;
if (hWndPrev && (WndPrev = ValidateHwndNoErr(hWndPrev)))
{
UserRefObjectCo(WndPrev, &RefPrev);
if (co_IntSendMessage(hWndPrev, WM_NCACTIVATE, FALSE, lParam))
{
co_IntSendMessage(hWndPrev, WM_ACTIVATE,
MAKEWPARAM(WA_INACTIVE, (WndPrev->style & WS_MINIMIZE) != 0),
(LPARAM)hWnd);
if (WndPrev && Clear)
WndPrev->state &= ~(WNDS_ACTIVEFRAME|WNDS_HASCAPTION);
}
else
{
ERR("Application is keeping itself Active to prevent the change!\n");
Ret = FALSE;
}
UserDerefObjectCo(WndPrev);
}
return Ret;
}
//
// Deactivating the foreground message queue.
//
// Release Active, Capture and Focus Windows associated with this message queue.
//
BOOL FASTCALL
IntDeactivateWindow(PTHREADINFO pti, HANDLE tid)
{
USER_REFERENCE_ENTRY Ref;
PTHREADINFO ptiPrev;
PWND pwndPrev;
BOOL InAAPM = FALSE;
PTHREADINFO ptiCurrent = PsGetCurrentThreadWin32Thread();
if ( !pti->MessageQueue->spwndActive )
{
TRACE("IDAW E : Nothing to do, Active is NULL! pti 0x%p tid 0x%p\n",pti,tid);
return TRUE;
}
TRACE("IDAW : pti 0x%p tid 0x%p\n",pti,tid);
if (ptiCurrent != pti)
{
IntReferenceThreadInfo(pti);
IntReferenceThreadInfo(ptiCurrent);
}
if (!(pti->TIF_flags & TIF_INACTIVATEAPPMSG) )
{
pti->TIF_flags |= TIF_INACTIVATEAPPMSG;
InAAPM = TRUE;
}
//
// Check for Capture and release it.
//
if ( pti->MessageQueue->spwndCapture )
{
MSG msg;
PWND pwndCapture = pti->MessageQueue->spwndCapture;
UserRefObjectCo(pwndCapture, &Ref);
co_IntSendMessage(UserHMGetHandle(pwndCapture), WM_CANCELMODE, 0, 0);
UserDerefObjectCo(pwndCapture);
/* 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);
}
//
// Check for Active and release it.
//
if ( pti->MessageQueue->spwndActive )
{
pwndPrev = pti->MessageQueue->spwndActive;
ptiPrev = pwndPrev->head.pti;
if (!co_IntSendDeactivateMessages(UserHMGetHandle(pwndPrev), 0, TRUE))
{
if (InAAPM) pti->TIF_flags &= ~TIF_INACTIVATEAPPMSG;
if (ptiCurrent != pti)
{
IntDereferenceThreadInfo(pti);
IntDereferenceThreadInfo(ptiCurrent);
}
return FALSE;
}
if ( pti->MessageQueue->spwndActive == pwndPrev )
{
pti->MessageQueue->spwndActivePrev = pwndPrev;
pti->MessageQueue->spwndActive = NULL;
}
if (ptiPrev->TIF_flags & TIF_INCLEANUP) ptiPrev = NULL;
}
else
{
ptiPrev = pti;
pwndPrev = (PWND)-1; // Avoid zero Active window.
}
if ( ptiPrev )
{
HANDLE OldTID = PsGetThreadId(ptiPrev->pEThread);
PWND cWindow;
HWND *List, *phWnd;
List = IntWinListChildren(UserGetDesktopWindow());
if ( List )
{
if ( OldTID )
{
for (phWnd = List; *phWnd; ++phWnd)
{
cWindow = ValidateHwndNoErr(*phWnd);
if ( cWindow && cWindow->head.pti == ptiPrev )
{ // FALSE if the window is being deactivated,
// ThreadId that owns the window being activated.
//ERR("IDW : WM_ACTIVATEAPP(0) hwnd %p tid Old %p New %p\n",UserHMGetHandle(cWindow),OldTID,tid);
UserRefObjectCo(cWindow, &Ref);
co_IntSendMessage(*phWnd, WM_ACTIVATEAPP, FALSE, (LPARAM)tid);
UserDerefObjectCo(cWindow);
}
}
}
ExFreePoolWithTag(List, USERTAG_WINDOWLIST);
}
}
//
// Now check for a change (Bounce), if Active same as previous window, release it too.
//
if ( pti->MessageQueue->spwndActive == pwndPrev )
{
if (!co_IntSendDeactivateMessages(UserHMGetHandle(pwndPrev), 0, FALSE))
{
if (InAAPM) pti->TIF_flags &= ~TIF_INACTIVATEAPPMSG;
if (ptiCurrent != pti)
{
IntDereferenceThreadInfo(pti);
IntDereferenceThreadInfo(ptiCurrent);
}
return FALSE;
}
if ( pti->MessageQueue->spwndActive == pwndPrev )
{
pti->MessageQueue->spwndActivePrev = pwndPrev;
pti->MessageQueue->spwndActive = NULL;
}
}
//
// Check for Focus and release it.
//
if ( pti->MessageQueue->spwndFocus )
{
PWND pwndFocus = pti->MessageQueue->spwndFocus;
//
// Fix win.c:test_SetForegroundWindow:SetActiveWindow(0)!
//
pti->MessageQueue->spwndFocus = NULL; // Null out Focus.
UserRefObjectCo(pwndFocus, &Ref);
co_IntSendMessage(UserHMGetHandle(pwndFocus), WM_KILLFOCUS, 0, 0);
UserDerefObjectCo(pwndFocus);
}
if (InAAPM) pti->TIF_flags &= ~TIF_INACTIVATEAPPMSG;
if (ptiCurrent != pti)
{
IntDereferenceThreadInfo(pti);
IntDereferenceThreadInfo(ptiCurrent);
}
return TRUE;
}
//
// Activating another threads foreground window after a switch.
//
VOID FASTCALL
IntActivateWindow(PWND Wnd, PTHREADINFO pti, HANDLE tid, DWORD Type)
{
USER_REFERENCE_ENTRY Ref;
PUSER_MESSAGE_QUEUE pmq = pti->MessageQueue;
if (Wnd)
{
Wnd = VerifyWnd(Wnd);
if (!Wnd) return;
UserRefObjectCo(Wnd, &Ref);
if (!gpqForeground)
{
// No foreground queue set.
co_IntSetForegroundMessageQueue( Wnd, pti, (BOOL)Type, 0);
}
else
{
// Same Active and Wnd.
if ( pmq->spwndActive == Wnd )
{
WPARAM wParam = (Wnd->head.pti->MessageQueue == gpqForeground);
co_IntSendMessage( UserHMGetHandle(Wnd), WM_NCACTIVATE, wParam, 0);
if (wParam)
{
UpdateShellHook(Wnd);
co_WinPosSetWindowPos(Wnd, HWND_TOP, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE);
}
}
else // Not the same, set the active Wnd.
{
co_IntSetActiveWindow(Wnd,(BOOL)Type,TRUE,TRUE);
}
}
UserDerefObjectCo(Wnd);
}
else // Handle no Wnd!
{
if ( tid && // TID,
pmq->spwndActive && // Active WND not zero,
gpqForeground == pmq ) // Same message queues.
{
Wnd = pmq->spwndActive; // Use active window from current queue.
UserRefObjectCo(Wnd, &Ref);
co_IntSendMessage( UserHMGetHandle(Wnd), WM_NCACTIVATE, TRUE, 0);
UpdateShellHook(Wnd);
co_WinPosSetWindowPos(Wnd, HWND_TOP, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE);
UserDerefObjectCo(Wnd);
}
else if (gpqForeground != pmq)
{
// Not the same message queue so clear flags for foreground switching.
pti->TIF_flags &= ~TIF_ALLOWFOREGROUNDACTIVATE;
pti->ppi->W32PF_flags &= ~W32PF_ALLOWFOREGROUNDACTIVATE;
}
}
}
BOOL FASTCALL
co_IntMakeWindowActive(PWND Window)
{
PWND spwndOwner;
if (VerifyWnd(Window))
{ // Set last active for window and it's owner.
spwndOwner = Window;
while (spwndOwner->spwndOwner)
{
spwndOwner = spwndOwner->spwndOwner;
}
spwndOwner->spwndLastActive = Window;
return TRUE;
}
ERR("MakeWindowActive Failed!\n");
return FALSE;
}
BOOL FASTCALL
co_IntSendActivateMessages(PWND WindowPrev, PWND Window, BOOL MouseActivate, BOOL Async)
{
USER_REFERENCE_ENTRY Ref, RefPrev, RefCall;
HANDLE OldTID, NewTID;
PTHREADINFO pti, ptiOld, ptiNew;
BOOL InAAPM = FALSE;
//ERR("SendActivateMessages\n");
pti = PsGetCurrentThreadWin32Thread();
if (Window)
{
UserRefObjectCo(Window, &Ref);
if (WindowPrev) UserRefObjectCo(WindowPrev, &RefPrev);
pti->MessageQueue->QF_flags &= ~QF_EVENTDEACTIVATEREMOVED;
/* Send palette messages */
if (gpsi->PUSIFlags & PUSIF_PALETTEDISPLAY &&
//co_IntPostOrSendMessage(UserHMGetHandle(Window), WM_QUERYNEWPALETTE, 0, 0))
co_IntSendMessage(UserHMGetHandle(Window), WM_QUERYNEWPALETTE, 0, 0))
{
UserSendNotifyMessage( HWND_BROADCAST,
WM_PALETTEISCHANGING,
(WPARAM)UserHMGetHandle(Window),
0);
}
//// Fixes CORE-6434.
if (!(Window->style & WS_CHILD))
{
PWND pwndTemp = co_GetDesktopWindow(Window)->spwndChild;
while (pwndTemp && !(pwndTemp->style & WS_VISIBLE)) pwndTemp = pwndTemp->spwndNext;
if (Window != pwndTemp || (WindowPrev && !IntIsWindowVisible(WindowPrev)))
{
if (!Async || pti->MessageQueue == gpqForeground)
{
UINT flags = SWP_NOSIZE | SWP_NOMOVE;
if (Window == pwndTemp) flags |= SWP_NOACTIVATE;
//ERR("co_IntSendActivateMessages SetWindowPos! Async %d pti Q == FGQ %d\n",Async,pti->MessageQueue == gpqForeground);
co_WinPosSetWindowPos(Window, HWND_TOP, 0, 0, 0, 0, flags);
}
}
}
////
//// CORE-1161 and CORE-6651
if (Window->spwndPrev)
{
HWND *phwndTopLevel, *phwndCurrent;
PWND pwndCurrent, pwndDesktop;
pwndDesktop = co_GetDesktopWindow(Window);//UserGetDesktopWindow();
if (Window->spwndParent == pwndDesktop )
{
phwndTopLevel = IntWinListChildren(pwndDesktop);
phwndCurrent = phwndTopLevel;
while(*phwndCurrent)
{
pwndCurrent = UserGetWindowObject(*phwndCurrent);
if (pwndCurrent && pwndCurrent->spwndOwner == Window )
{
co_WinPosSetWindowPos(pwndCurrent, HWND_TOP, 0, 0, 0, 0, SWP_NOSIZE|SWP_NOMOVE|SWP_NOACTIVATE);
}
phwndCurrent++;
}
ExFreePoolWithTag(phwndTopLevel, USERTAG_WINDOWLIST);
}
}
////
}
OldTID = WindowPrev ? IntGetWndThreadId(WindowPrev) : NULL;
NewTID = Window ? IntGetWndThreadId(Window) : NULL;
ptiOld = WindowPrev ? WindowPrev->head.pti : NULL;
ptiNew = Window ? Window->head.pti : NULL;
//ERR("SendActivateMessage Old -> %x, New -> %x\n", OldTID, NewTID);
if (!(pti->TIF_flags & TIF_INACTIVATEAPPMSG) &&
(OldTID != NewTID) )
{
PWND cWindow;
HWND *List, *phWnd;
List = IntWinListChildren(UserGetDesktopWindow());
if ( List )
{
if ( OldTID )
{
ptiOld->TIF_flags |= TIF_INACTIVATEAPPMSG;
// Note: Do not set pci flags, this does crash!
for (phWnd = List; *phWnd; ++phWnd)
{
cWindow = ValidateHwndNoErr(*phWnd);
if (cWindow && cWindow->head.pti == ptiOld)
{ // FALSE if the window is being deactivated,
// ThreadId that owns the window being activated.
//ERR("SAM : WM_ACTIVATEAPP(0) tid Old %p New %p\n",OldTID,NewTID);
UserRefObjectCo(cWindow, &RefCall);
co_IntSendMessage(*phWnd, WM_ACTIVATEAPP, FALSE, (LPARAM)NewTID);
UserDerefObjectCo(cWindow);
}
}
ptiOld->TIF_flags &= ~TIF_INACTIVATEAPPMSG;
}
if ( NewTID )
{ //// Prevents a resource crash due to reentrance!
InAAPM = TRUE;
pti->TIF_flags |= TIF_INACTIVATEAPPMSG;
////
for (phWnd = List; *phWnd; ++phWnd)
{
cWindow = ValidateHwndNoErr(*phWnd);
if (cWindow && cWindow->head.pti == ptiNew)
{ // TRUE if the window is being activated,
// ThreadId that owns the window being deactivated.
//ERR("SAM : WM_ACTIVATEAPP(1) hwnd %p tid New %p Old %p\n",UserHMGetHandle(cWindow),NewTID,OldTID);
UserRefObjectCo(cWindow, &RefCall);
co_IntSendMessage(*phWnd, WM_ACTIVATEAPP, TRUE, (LPARAM)OldTID);
UserDerefObjectCo(cWindow);
}
}
}
ExFreePoolWithTag(List, USERTAG_WINDOWLIST);
}
}
if (Window)
{
if (WindowPrev)
UserDerefObjectCo(WindowPrev); // Now allow the previous window to die.
if (Window->state & WNDS_ACTIVEFRAME)
{ // If already active frame do not allow NCPaint.
//ERR("SendActivateMessage Is Active Frame!\n");
Window->state |= WNDS_NONCPAINT;
}
if (Window->style & WS_MINIMIZE)
{
TRACE("Widow was minimized\n");
}
co_IntMakeWindowActive(Window);
co_IntSendMessage( UserHMGetHandle(Window),
WM_NCACTIVATE,
(WPARAM)(Window == (gpqForeground ? gpqForeground->spwndActive : NULL)),
0);
co_IntSendMessage( UserHMGetHandle(Window),
WM_ACTIVATE,
MAKEWPARAM(MouseActivate ? WA_CLICKACTIVE : WA_ACTIVE, (Window->style & WS_MINIMIZE) != 0),
(LPARAM)(WindowPrev ? UserHMGetHandle(WindowPrev) : 0));
UpdateShellHook(Window);
Window->state &= ~WNDS_NONCPAINT;
UserDerefObjectCo(Window);
}
return InAAPM;
}
VOID FASTCALL
IntSendFocusMessages( PTHREADINFO pti, PWND pWnd)
{
PWND pWndPrev;
PUSER_MESSAGE_QUEUE ThreadQueue = pti->MessageQueue; // Queue can change...
ThreadQueue->QF_flags &= ~QF_FOCUSNULLSINCEACTIVE;
if (!pWnd && ThreadQueue->spwndActive)
{
ThreadQueue->QF_flags |= QF_FOCUSNULLSINCEACTIVE;
}
pWndPrev = ThreadQueue->spwndFocus;
/* check if the specified window can be set in the input data of a given queue */
if (!pWnd || ThreadQueue == pWnd->head.pti->MessageQueue)
/* set the current thread focus window */
ThreadQueue->spwndFocus = pWnd;
if (pWnd)
{
if (pWndPrev)
{
co_IntSendMessage(UserHMGetHandle(pWndPrev), WM_KILLFOCUS, (WPARAM)UserHMGetHandle(pWnd), 0);
}
if (ThreadQueue->spwndFocus == pWnd)
{
IntNotifyWinEvent(EVENT_OBJECT_FOCUS, pWnd, OBJID_CLIENT, CHILDID_SELF, 0);
co_IntSendMessage(UserHMGetHandle(pWnd), WM_SETFOCUS, (WPARAM)(pWndPrev ? UserHMGetHandle(pWndPrev) : NULL), 0);
}
}
else
{
if (pWndPrev)
{
IntNotifyWinEvent(EVENT_OBJECT_FOCUS, NULL, OBJID_CLIENT, CHILDID_SELF, 0);
co_IntSendMessage(UserHMGetHandle(pWndPrev), WM_KILLFOCUS, 0, 0);
}
}
}
BOOL FASTCALL
FindRemoveEventMsg(PTHREADINFO pti, DWORD Event, DWORD EventLast)
{
PUSER_MESSAGE Message;
PLIST_ENTRY Entry;
BOOL Ret = FALSE;
Entry = pti->PostedMessagesListHead.Flink;
while (Entry != &pti->PostedMessagesListHead)
{
// Scan posted queue messages to see if we received async messages.
Message = CONTAINING_RECORD(Entry, USER_MESSAGE, ListEntry);
Entry = Entry->Flink;
if (Message->dwQEvent == EventLast)
{
//ERR("Event D/SAW: Last Activate/Deactivate %d\n", EventLast);
return Ret;
}
if (Message->dwQEvent == Event)
{
//ERR("Event D/SAW: Found one in the Post Msg Queue! Activate/Deactivate %d\n", Event);
ClearMsgBitsMask(pti, Message->QS_Flags);
MsqDestroyMessage(Message);
Ret = TRUE;
}
}
return Ret;
}
BOOL FASTCALL
ToggleFGActivate(PTHREADINFO pti)
{
BOOL Ret;
PPROCESSINFO ppi = pti->ppi;
Ret = !!(pti->TIF_flags & TIF_ALLOWFOREGROUNDACTIVATE);
if (Ret)
{
pti->TIF_flags &= ~TIF_ALLOWFOREGROUNDACTIVATE;
}
else
Ret = !!(ppi->W32PF_flags & W32PF_ALLOWFOREGROUNDACTIVATE);
if (Ret)
ppi->W32PF_flags &= ~W32PF_ALLOWFOREGROUNDACTIVATE;
//ERR("ToggleFGActivate is %d\n",Ret);
return Ret;
}
BOOL FASTCALL
IsAllowedFGActive(PTHREADINFO pti, PWND Wnd)
{
// Not allowed if one or more,,
if (!ToggleFGActivate(pti) || // bits not set,
pti->rpdesk != gpdeskInputDesktop || // not current Desktop,
pti->MessageQueue == gpqForeground || // if already the queue foreground,
IsFGLocked() || // foreground is locked,
Wnd->ExStyle & WS_EX_NOACTIVATE ) // or,,, does not become the foreground window when the user clicks it.
{
return FALSE;
}
//ERR("IsAllowedFGActive is TRUE\n");
return TRUE;
}
/*
Can the system force foreground from one or more conditions.
*/
BOOL FASTCALL
CanForceFG(PPROCESSINFO ppi)
{
if (!ptiLastInput ||
ptiLastInput->ppi == ppi ||
!gptiForeground ||
gptiForeground->ppi == ppi ||
ppi->W32PF_flags & (W32PF_ALLOWFOREGROUNDACTIVATE | W32PF_SETFOREGROUNDALLOWED) ||
gppiInputProvider == ppi ||
!gpqForeground
) return TRUE;
//ERR("CanForceFG is FALSE\n");
return FALSE;
}
//
// Switching out foreground message queues.
//
BOOL FASTCALL
co_IntSetForegroundMessageQueue(
_In_opt_ PWND Wnd,
_In_ PTHREADINFO pti,
_In_ BOOL MouseActivate,
_In_ DWORD Type )
{
PTHREADINFO ptiChg, ptiPrev;
PUSER_MESSAGE_QUEUE pumq, pumqChg, pumqPrev;
BOOL Removed, Ret = TRUE;
if (Wnd && !VerifyWnd(Wnd))
{
return FALSE;
}
if ( !gptiForeground || gptiForeground->TIF_flags & TIF_INCLEANUP )
ptiPrev = NULL;
else
ptiPrev = gptiForeground;
if (Wnd)
{
ptiChg = Wnd->head.pti;
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
{
ptiChg = NULL;
IntSetFocusMessageQueue(NULL);
gptiForeground = NULL;
//ERR("Set Foreground pti 0x0 Q 0x0 hWnd 0x0\n");
}
//
// Process the changing out of the message queues.
//
if (gpqForegroundPrev != gpqForeground)
{
pumqPrev = NULL;
if ( ptiPrev && !(ptiPrev->TIF_flags & TIF_INCLEANUP) )
{
pumqPrev = ptiPrev->MessageQueue;
}
pumq = pti ? pti->MessageQueue : NULL;
// Deactivate the previous message queue.
if (pumqPrev)
{
if ( pumq != pumqPrev )
{
MSG Msg;
HWND hWndPrev = pumqPrev->spwndActive ? UserHMGetHandle(pumqPrev->spwndActive) : NULL;
HANDLE tid = gptiForeground ? PsGetThreadId(gptiForeground->pEThread) : NULL; // TID from changing Window PTI.
Msg.message = WM_ASYNC_SETACTIVEWINDOW;
Msg.hwnd = hWndPrev;
Msg.wParam = (WPARAM)pumqPrev->spwndActive;
Msg.lParam = 0;
Msg.time = 0;
//ERR("SFWAMQ : DAW P pti 0x%p tid 0x%p hWndPrev 0x%p\n",ptiPrev,tid,hWndPrev);
MsqPostMessage(ptiPrev, &Msg, FALSE, QS_EVENT, POSTEVENT_DAW, (LONG_PTR)tid);
}
}
pumqChg = NULL;
if ( ptiChg && !(ptiChg->TIF_flags & TIF_INCLEANUP) )
{
pumqChg = ptiChg->MessageQueue;
}
pumq = pti ? pti->MessageQueue : NULL;
// Activate changing message queue.
if (pumqChg)
{
/*
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("SFWAMQ : 1\n");
Removed = FindRemoveEventMsg(ptiChg, POSTEVENT_DAW, POSTEVENT_NONE);
if (pumqChg != pumq)
{
MSG Msg;
HWND hWnd = Wnd ? UserHMGetHandle(Wnd) : NULL;
HANDLE tid = ptiPrev ? PsGetThreadId(ptiPrev->pEThread) : NULL;
if (Removed) pumqChg->QF_flags |= QF_EVENTDEACTIVATEREMOVED;
Msg.message = WM_ASYNC_SETACTIVEWINDOW;
Msg.hwnd = hWnd;
Msg.wParam = (WPARAM)Wnd;
Msg.lParam = (LPARAM)tid; //// Fixme! Type flags?
Msg.time = 0;
//ERR("SFWAMQ : SAW P pti 0x%p tid 0x%p hWnd 0x%p\n",ptiChg,tid,hWnd);
MsqPostMessage(ptiChg, &Msg, FALSE, QS_EVENT, POSTEVENT_SAW, (LONG_PTR)Type|MouseActivate);
}
else // Current message queue same as changed message queue.
{
if (pumq->spwndActive == Wnd)
{
co_IntSendMessage( UserHMGetHandle(Wnd), WM_NCACTIVATE, TRUE, (LPARAM)UserHMGetHandle(Wnd));
UpdateShellHook(Wnd);
co_WinPosSetWindowPos(Wnd, HWND_TOP, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE);
}
else
{
//ERR("SFWAMQ : SAW I pti 0x%p hWnd 0x%p\n",ptiChg,Wnd->head.h);
Ret = co_IntSetActiveWindow(Wnd, MouseActivate, TRUE/*Type*/, FALSE);
//if (!Ret) ERR("SFWAMQ : ISAW : return error\n");
return Ret;
}
}
}
// Handle same message queue after switch out.
pumqPrev = NULL;
if ( ptiPrev && !(ptiPrev->TIF_flags & TIF_INCLEANUP) )
{
pumqPrev = ptiPrev->MessageQueue;
}
pumq = pti ? pti->MessageQueue : NULL;
if ( pumqPrev && pumq == pumqPrev )
{
HANDLE tid = Wnd ? PsGetThreadId(Wnd->head.pti->pEThread) : NULL;
//ERR("SFWAMQ : DAW I pti 0x%p tid 0x%p hWnd 0x%p\n",ptiPrev,tid,Wnd ? Wnd->head.h : 0);
IntDeactivateWindow(pti, tid);
}
}
return Ret;
}
/*
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_opt_ PWND Wnd,
_In_ BOOL MouseActivate,
_In_ BOOL bFlash )
{
HWND hWnd = Wnd ? UserHMGetHandle(Wnd) : NULL;
PUSER_MESSAGE_QUEUE PrevForegroundQueue;
PTHREADINFO pti;
BOOL Ret = FALSE;
if (Wnd) ASSERT_REFS_CO(Wnd);
TRACE("SetForegroundAndFocusWindow(%x, %s)\n", hWnd, (MouseActivate ? "TRUE" : "FALSE"));
PrevForegroundQueue = IntGetFocusMessageQueue(); // Use this active desktop.
pti = PsGetCurrentThreadWin32Thread();
if (Wnd && PrevForegroundQueue)
{ // Same Window Q as foreground just do active.
if (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 = IntUserSetActiveWindow(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");
MSG Msg;
PTHREADINFO ptiNew = Wnd->head.pti;
Msg.message = WM_ASYNC_SETACTIVEWINDOW;
Msg.hwnd = hWnd;
Msg.wParam = (WPARAM)Wnd;
Msg.lParam = 0;
Msg.time = 0;
//ERR("SFAFW 1 : SAW P pti 0x%p hWnd 0x%p\n",ptiNew,hWnd);
MsqPostMessage(ptiNew, &Msg, FALSE, QS_EVENT, POSTEVENT_SAW, (LONG_PTR)MouseActivate);
Ret = TRUE;
}
return Ret;
}
}
if ( (( !IsFGLocked() || pti->ppi == gppiInputProvider ) &&
( CanForceFG(pti->ppi) || pti->TIF_flags & (TIF_SYSTEMTHREAD|TIF_CSRSSTHREAD|TIF_ALLOWFOREGROUNDACTIVATE) )) ||
pti->ppi == ppiScrnSaver
)
{
ToggleFGActivate(pti);
return co_IntSetForegroundMessageQueue( Wnd, pti, MouseActivate, 0 );
}
if (!Wnd) return FALSE; // No window, always return FALSE.
//// if (bFlash) FIXME : handle flash!!!
if (pti->MessageQueue == Wnd->head.pti->MessageQueue)
{
//ERR("Same PQ and WQ go active.\n");
Ret = IntUserSetActiveWindow(Wnd, MouseActivate, TRUE, FALSE);
//if (!Ret) ERR("ISFAFW : IUSAW : return error\n");
}
else if (Wnd->head.pti->MessageQueue->spwndActive == Wnd)
{
TRACE("Same Active and Wnd.\n"); // Leave this for now.
}
else
{
//ERR("Activate Not same PQ and WQ and Wnd.\n");
//// CORE-10785 fix hang, ROSTESTS-208 allows test to run.
MSG Msg;
PTHREADINFO ptiNew = Wnd->head.pti;
Msg.message = WM_ASYNC_SETACTIVEWINDOW;
Msg.hwnd = hWnd;
Msg.wParam = (WPARAM)Wnd;
Msg.lParam = 0;
Msg.time = 0;
//ERR("SFAFW 2 : SAW P pti 0x%p hWnd 0x%p\n",ptiNew,hWnd);
MsqPostMessage(ptiNew, &Msg, FALSE, QS_EVENT, POSTEVENT_SAW, (LONG_PTR)MouseActivate);
}
// Always return FALSE.
return FALSE;
}
//
// Set the Active Window.
//
BOOL FASTCALL
co_IntSetActiveWindow(
_In_ PWND Wnd,
_In_ BOOL bMouse,
_In_ BOOL bFocus,
_In_ BOOL Async )
{
PTHREADINFO pti;
PUSER_MESSAGE_QUEUE ThreadQueue;
PWND pWndChg, WndPrev; // State changes.
HWND hWndPrev;
HWND hWnd = 0;
BOOL InAAPM;
CBTACTIVATESTRUCT cbt;
//ERR("co_IntSetActiveWindow 1\n");
pti = PsGetCurrentThreadWin32Thread();
ThreadQueue = pti->MessageQueue;
ASSERT(ThreadQueue != 0);
hWndPrev = ThreadQueue->spwndActive ? UserHMGetHandle(ThreadQueue->spwndActive) : NULL;
pWndChg = ThreadQueue->spwndActive; // Keep to notify of a preemptive switch.
if ( !Wnd || Wnd == UserGetDesktopWindow() )
{
//ERR("ISAW : NULL %p\n",Wnd);
return FALSE;
}
ASSERT_REFS_CO(Wnd);
hWnd = UserHMGetHandle(Wnd);
//ERR("co_IntSetActiveWindow 2 hWnd 0x%p\n",hWnd);
/* check if the specified window can be set in the input data of a given queue */
if ( ThreadQueue != Wnd->head.pti->MessageQueue )
{
//ERR("ISAW : Must have the same Message Queue\n");
return FALSE;
}
if (!VerifyWnd(Wnd))
{
//ERR("ISAW : Window is in Destroy!\n");
return FALSE;
}
if ( Wnd == pWndChg )
{
//ERR("ISAW : Nothing to do\n");
return TRUE; // Fix CORE-8780 and CORE-11979. See CORE-11324 for breakage.
}
if ( Wnd->state & WNDS_BEINGACTIVATED ) return TRUE;
/* Call CBT hook chain */
cbt.fMouse = bMouse;
cbt.hWndActive = hWndPrev;
if (co_HOOK_CallHooks( WH_CBT, HCBT_ACTIVATE, (WPARAM)hWnd, (LPARAM)&cbt))
{
ERR("SetActiveWindow: WH_CBT Call Hook return!\n");
return FALSE;
}
ThreadQueue->QF_flags &= ~QF_EVENTDEACTIVATEREMOVED;
if ( ThreadQueue->spwndActive && ThreadQueue->spwndActive->state & WNDS_DESTROYED )
ThreadQueue->spwndActive = NULL;
else
ThreadQueue->spwndActivePrev = ThreadQueue->spwndActive;
WndPrev = ThreadQueue->spwndActive; // Keep to save changing active.
if (WndPrev)
{
if (ThreadQueue == gpqForeground) gpqForegroundPrev = ThreadQueue;
if (!co_IntSendDeactivateMessages(UserHMGetHandle(WndPrev), hWnd, TRUE)) return FALSE;
}
WndPrev = ThreadQueue->spwndActive; // Again keep to save changing active.
// While in calling message proc or hook:
// Fail if a preemptive switch was made, current active not made previous,
// focus window is dead or no longer the same thread queue.
if ( ThreadQueue->spwndActivePrev != ThreadQueue->spwndActive ||
pWndChg != WndPrev ||
(Wnd && !VerifyWnd(Wnd)) ||
ThreadQueue != pti->MessageQueue )
{
ERR("SetActiveWindow: Summary ERROR, active state changed!\n");
return FALSE;
}
if (!WndPrev) ThreadQueue->QF_flags &= ~QF_FOCUSNULLSINCEACTIVE;
/* set the current thread active window */
ThreadQueue->spwndActive = Wnd;
// Set state flag to prevent recursions.
Wnd->state |= WNDS_BEINGACTIVATED;
IntNotifyWinEvent(EVENT_SYSTEM_FOREGROUND, Wnd, OBJID_WINDOW, CHILDID_SELF, WEF_SETBYWNDPTI);
// Clear out activate EVENT messages.
FindRemoveEventMsg(pti, POSTEVENT_SAW, POSTEVENT_DAW);
WndPrev = VerifyWnd(ThreadQueue->spwndActivePrev); // Now should be set but verify it again.
InAAPM = co_IntSendActivateMessages(WndPrev, Wnd, bMouse, Async);
/* now change focus if necessary */
//// Fixes CORE-6452 allows setting focus on window.
if (bFocus && !(ThreadQueue->QF_flags & QF_FOCUSNULLSINCEACTIVE))
{
/* Do not change focus if the window is no longer active */
if (pti->MessageQueue->spwndActive != IntGetNonChildAncestor(pti->MessageQueue->spwndFocus))
{
PWND pWndSend = pti->MessageQueue->spwndActive;
// Clear focus if the active window is minimized.
if (pWndSend && pti->MessageQueue->spwndActive->style & WS_MINIMIZE) pWndSend = NULL;
// Send focus messages and if so, set the focus.
IntSendFocusMessages( pti, pWndSend);
}
}
////
if (InAAPM)
{
pti->TIF_flags &= ~TIF_INACTIVATEAPPMSG;
}
// Checked in MENU_TrackMenu
ThreadQueue->QF_flags |= QF_ACTIVATIONCHANGE;
//ERR("co_IntSetActiveWindow Exit\n");
Wnd->state &= ~WNDS_BEINGACTIVATED;
return (ThreadQueue->spwndActive == Wnd);
}
//
// Set the Active Window.
//
// Window is not optional!
//
BOOL FASTCALL
IntUserSetActiveWindow(
_In_ PWND Wnd,
_In_ BOOL bMouse,
_In_ BOOL bFocus,
_In_ BOOL Async)
{
PTHREADINFO pti;
PUSER_MESSAGE_QUEUE ThreadQueue;
//ERR("IntUserSetActiveWindow 1\n");
ASSERT_REFS_CO(Wnd);
if ((Wnd->style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
//ERR("IntUserSetActiveWindow 1a hWnd 0x%p\n",UserHMGetHandle(Wnd));
//ERR("IntUserSetActiveWindow 2\n");
pti = PsGetCurrentThreadWin32Thread();
ThreadQueue = pti->MessageQueue;
ASSERT(ThreadQueue != 0);
while (Wnd)
{
BOOL Ret, DoFG, AllowFG;
if (ThreadQueue == Wnd->head.pti->MessageQueue)
{
if (IsAllowedFGActive(pti, Wnd))
{
DoFG = TRUE;
}
else
{
//ERR("IntUserSetActiveWindow 3 Go Out!\n");
break;
}
AllowFG = !pti->cVisWindows; // Nothing is visable.
//ERR("IntUserSetActiveWindow 3a DoFG = %d AllowFG = %d\n",DoFG,AllowFG);
}
else //if (ThreadQueue != Wnd->head.pti->MessageQueue)
{
//PUSER_MESSAGE_QUEUE ForegroundQueue = IntGetFocusMessageQueue();
// Rule 1 & 4, We are foreground so set this FG window or NULL foreground....
if (!gpqForeground || gpqForeground == ThreadQueue)
{
DoFG = TRUE;
}
else
DoFG = FALSE;
if (DoFG)
{
if (pti->TIF_flags & TIF_ALLOWFOREGROUNDACTIVATE || pti->cVisWindows)
AllowFG = TRUE;
else
AllowFG = FALSE;
}
else
AllowFG = FALSE;
//ERR("IntUserSetActiveWindow 3b DoFG = %d AllowFG = %d\n",DoFG,AllowFG);
}
Ret = FALSE;
if (DoFG)
{
pti->TIF_flags |= TIF_ALLOWFOREGROUNDACTIVATE;
//ERR("IntUserSetActiveWindow 3c FG set\n");
Ret = co_IntSetForegroundAndFocusWindow(Wnd, bMouse, TRUE);
if (AllowFG)
{
pti->TIF_flags |= TIF_ALLOWFOREGROUNDACTIVATE;
}
else
{
pti->TIF_flags &= ~TIF_ALLOWFOREGROUNDACTIVATE;
}
}
return Ret;
}
return co_IntSetActiveWindow(Wnd, bMouse, bFocus, Async);
}
BOOL FASTCALL
co_IntMouseActivateWindow(PWND Wnd)
{
TRACE("Mouse Active\n");
return co_IntSetForegroundAndFocusWindow(Wnd, TRUE, TRUE);
}
BOOL FASTCALL
UserSetActiveWindow( _In_opt_ PWND Wnd )
{
PTHREADINFO pti = PsGetCurrentThreadWin32Thread();
if (Wnd)
{
if ((Wnd->style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
return IntUserSetActiveWindow(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!
Now Handle wines Msg.c test_SetActiveWindow( 0 )...
*/
TRACE("USAW: Previous active window\n");
if ( gpqForegroundPrev &&
gpqForegroundPrev->spwndActivePrev &&
(gpqForegroundPrev->spwndActivePrev->style & (WS_VISIBLE|WS_DISABLED)) == WS_VISIBLE &&
!(gpqForegroundPrev->spwndActivePrev->state2 & WNDS2_BOTTOMMOST) &&
(Wnd = VerifyWnd(gpqForegroundPrev->spwndActivePrev)) != NULL )
{
TRACE("USAW:PAW hwnd %p\n",Wnd?Wnd->head.h:NULL);
return IntUserSetActiveWindow(Wnd, FALSE, TRUE, FALSE);
}
// Activate anyone but the active window.
if ( pti->MessageQueue->spwndActive &&
(Wnd = VerifyWnd(pti->MessageQueue->spwndActive)) != NULL )
{
//ERR("USAW:AOWM hwnd %p\n",Wnd?Wnd->head.h:NULL);
if (!ActivateOtherWindowMin(Wnd))
{
// Okay, now go find someone else to play with!
//ERR("USAW: Going to WPAOW\n");
co_WinPosActivateOtherWindow(Wnd);
}
return TRUE;
}
TRACE("USAW: Nothing\n");
return FALSE;
}
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 */
//// Fixes wine win test_SetParent both "todo" line 3710 and 3720...
for (pwndTop = Window; pwndTop; pwndTop = pwndTop->spwndParent)
{
if (pwndTop->style & (WS_MINIMIZED|WS_DISABLED)) return 0;
if ((pwndTop->style & (WS_POPUP|WS_CHILD)) != WS_CHILD) break;
if (pwndTop->spwndParent == NULL) 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, TRUE))
{
ERR("SetFocus: Set Foreground and Focus Failed!\n");
return 0;
}
}
/* Set Active when it is needed. */
if (pwndTop != ThreadQueue->spwndActive)
{
//ERR("SetFocus: Set Active! %p\n",pwndTop?UserHMGetHandle(pwndTop):0);
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;
}
//ERR("SetFocus: Set Focus NULL\n");
/* set the current thread focus window null */
IntSendFocusMessages( pti, NULL);
}
return hWndPrev ? (IntIsWindow(hWndPrev) ? hWndPrev : 0) : 0;
}
HWND FASTCALL
UserGetForegroundWindow(VOID)
{
PUSER_MESSAGE_QUEUE ForegroundQueue;
ForegroundQueue = IntGetFocusMessageQueue();
return( ForegroundQueue ? (ForegroundQueue->spwndActive ? UserHMGetHandle(ForegroundQueue->spwndActive) : 0) : 0);
}
HWND FASTCALL UserGetActiveWindow(VOID)
{
PTHREADINFO pti;
PUSER_MESSAGE_QUEUE ThreadQueue;
pti = PsGetCurrentThreadWin32Thread();
ThreadQueue = pti->MessageQueue;
return( ThreadQueue ? (ThreadQueue->spwndActive ? UserHMGetHandle(ThreadQueue->spwndActive) : 0) : 0);
}
HWND APIENTRY
IntGetCapture(VOID)
{
PTHREADINFO pti;
PUSER_MESSAGE_QUEUE ThreadQueue;
DECLARE_RETURN(HWND);
TRACE("Enter IntGetCapture\n");
pti = PsGetCurrentThreadWin32Thread();
ThreadQueue = pti->MessageQueue;
RETURN( ThreadQueue ? (ThreadQueue->spwndCapture ? UserHMGetHandle(ThreadQueue->spwndCapture) : 0) : 0);
CLEANUP:
TRACE("Leave IntGetCapture, ret=%p\n", _ret_);
END_CLEANUP;
}
HWND FASTCALL
co_UserSetCapture(HWND hWnd)
{
PTHREADINFO pti;
PUSER_MESSAGE_QUEUE ThreadQueue;
PWND pWnd, Window = NULL;
HWND hWndPrev;
pti = PsGetCurrentThreadWin32Thread();
ThreadQueue = pti->MessageQueue;
if (ThreadQueue->QF_flags & QF_CAPTURELOCKED)
return NULL;
if (hWnd && (Window = UserGetWindowObject(hWnd)))
{
if (Window->head.pti->MessageQueue != ThreadQueue)
{
ERR("Window Thread does not match Current!\n");
return NULL;
}
}
hWndPrev = MsqSetStateWindow(pti, MSQ_STATE_CAPTURE, hWnd);
if (hWndPrev)
{
pWnd = UserGetWindowObject(hWndPrev);
if (pWnd)
IntNotifyWinEvent(EVENT_SYSTEM_CAPTUREEND, pWnd, OBJID_WINDOW, CHILDID_SELF, WEF_SETBYWNDPTI);
}
if (Window)
IntNotifyWinEvent(EVENT_SYSTEM_CAPTURESTART, Window, OBJID_WINDOW, CHILDID_SELF, WEF_SETBYWNDPTI);
//
// Only send the message if we have a previous Window!
// Fix msg_menu tracking popup menu and win test_capture_4!!!!
//
if (hWndPrev)
{
if (ThreadQueue->MenuOwner && Window) ThreadQueue->QF_flags |= QF_CAPTURELOCKED;
co_IntSendMessage(hWndPrev, WM_CAPTURECHANGED, 0, (LPARAM)hWnd);
ThreadQueue->QF_flags &= ~QF_CAPTURELOCKED;
}
if (hWnd == NULL) // Release mode.
{
MOUSEINPUT mi;
/// These are HACKS!
/* Also remove other windows if not capturing anymore */
MsqSetStateWindow(pti, MSQ_STATE_MENUOWNER, NULL);
MsqSetStateWindow(pti, MSQ_STATE_MOVESIZE, NULL);
///
/* Somebody may have missed some mouse movements */
mi.dx = 0;
mi.dy = 0;
mi.mouseData = 0;
mi.dwFlags = MOUSEEVENTF_MOVE;
mi.time = 0;
mi.dwExtraInfo = 0;
UserSendMouseInput(&mi, FALSE);
}
return hWndPrev;
}
/*
API Call
*/
BOOL
FASTCALL
IntReleaseCapture(VOID)
{
PTHREADINFO pti;
PUSER_MESSAGE_QUEUE ThreadQueue;
pti = PsGetCurrentThreadWin32Thread();
ThreadQueue = pti->MessageQueue;
// Can not release inside WM_CAPTURECHANGED!!
if (ThreadQueue->QF_flags & QF_CAPTURELOCKED) return FALSE;
co_UserSetCapture(NULL);
return TRUE;
}
/*
API Call
*/
BOOL FASTCALL
co_IntSetForegroundWindow(PWND Window)
{
if (Window) ASSERT_REFS_CO(Window);
return co_IntSetForegroundAndFocusWindow(Window, FALSE, TRUE);
}
/*
API Call
*/
BOOL FASTCALL
co_IntSetForegroundWindowMouse(PWND Window)
{
if (Window) ASSERT_REFS_CO(Window);
return co_IntSetForegroundAndFocusWindow(Window, TRUE, FALSE);
}
/*
API Call
*/
BOOL FASTCALL
IntLockSetForegroundWindow(UINT uLockCode)
{
ULONG Err = ERROR_ACCESS_DENIED;
PPROCESSINFO ppi = PsGetCurrentProcessWin32Process();
switch (uLockCode)
{
case LSFW_LOCK:
if ( CanForceFG(ppi) && !gppiLockSFW )
{
gppiLockSFW = ppi;
return TRUE;
}
break;
case LSFW_UNLOCK:
if ( gppiLockSFW == ppi)
{
gppiLockSFW = NULL;
return TRUE;
}
break;
default:
Err = ERROR_INVALID_PARAMETER;
}
EngSetLastError(Err);
return FALSE;
}
/*
API Call
*/
BOOL FASTCALL
IntAllowSetForegroundWindow(DWORD dwProcessId)
{
PPROCESSINFO ppi, ppiCur;
PEPROCESS Process = NULL;
ppi = NULL;
if (dwProcessId != ASFW_ANY)
{
if (!NT_SUCCESS(PsLookupProcessByProcessId(UlongToHandle(dwProcessId), &Process)))
{
EngSetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
ppi = PsGetProcessWin32Process(Process);
if (!ppi)
{
ObDereferenceObject(Process);
return FALSE;
}
}
ppiCur = PsGetCurrentProcessWin32Process();
if (!CanForceFG(ppiCur))
{
if (Process) ObDereferenceObject(Process);
EngSetLastError(ERROR_ACCESS_DENIED);
return FALSE;
}
if (dwProcessId == ASFW_ANY)
{ // All processes will be enabled to set the foreground window.
//ERR("ptiLastInput is CLEARED!!\n");
ptiLastInput = NULL;
}
else
{ // Rule #3, last input event in force.
ERR("ptiLastInput is SET!!\n");
//ptiLastInput = ppi->ptiList; // See CORE-6384 & CORE-7030.
ObDereferenceObject(Process);
}
return TRUE;
}
/*
* @implemented
*/
HWND APIENTRY
NtUserGetForegroundWindow(VOID)
{
DECLARE_RETURN(HWND);
TRACE("Enter NtUserGetForegroundWindow\n");
UserEnterExclusive();
RETURN( UserGetForegroundWindow());
CLEANUP:
TRACE("Leave NtUserGetForegroundWindow, ret=%p\n",_ret_);
UserLeave();
END_CLEANUP;
}
HWND APIENTRY
NtUserSetActiveWindow(HWND hWnd)
{
USER_REFERENCE_ENTRY Ref;
HWND hWndPrev;
PWND Window;
DECLARE_RETURN(HWND);
TRACE("Enter NtUserSetActiveWindow(%p)\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);
UserSetActiveWindow(Window);
if (Window) UserDerefObjectCo(Window);
RETURN( hWndPrev ? (IntIsWindow(hWndPrev) ? hWndPrev : 0) : 0 );
}
RETURN( NULL);
CLEANUP:
TRACE("Leave NtUserSetActiveWindow, ret=%p\n",_ret_);
UserLeave();
END_CLEANUP;
}
/*
* @implemented
*/
HWND APIENTRY
NtUserSetCapture(HWND hWnd)
{
DECLARE_RETURN(HWND);
TRACE("Enter NtUserSetCapture(%p)\n", hWnd);
UserEnterExclusive();
RETURN( co_UserSetCapture(hWnd));
CLEANUP:
TRACE("Leave NtUserSetCapture, ret=%p\n", _ret_);
UserLeave();
END_CLEANUP;
}
/*
* @implemented
*/
HWND APIENTRY
NtUserSetFocus(HWND hWnd)
{
PWND Window;
USER_REFERENCE_ENTRY Ref;
DECLARE_RETURN(HWND);
HWND ret;
TRACE("Enter NtUserSetFocus(%p)\n", hWnd);
UserEnterExclusive();
if (hWnd)
{
if (!(Window = UserGetWindowObject(hWnd)))
{
ERR("NtUserSetFocus: Invalid handle 0x%p!\n",hWnd);
RETURN(NULL);
}
UserRefObjectCo(Window, &Ref);
ret = co_UserSetFocus(Window);
UserDerefObjectCo(Window);
RETURN(ret);
}
else
{
RETURN( co_UserSetFocus(0));
}
CLEANUP:
TRACE("Leave NtUserSetFocus, ret=%p\n",_ret_);
UserLeave();
END_CLEANUP;
}
/* EOF */
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