focus.c File Reference

#include <win32k.h>
#include <immdev.h>

Include dependency graph for focus.c:

Go to the source code of this file.

Functions
	DBG_DEFAULT_CHANNEL (UserFocus)
BOOL FASTCALL	IsFGLocked (VOID)
HWND FASTCALL	IntGetCaptureWindow (VOID)
HWND FASTCALL	IntGetThreadFocusWindow (VOID)
BOOL FASTCALL	IntIsWindowFullscreen (PWND Window)
BOOL FASTCALL	IntCheckFullscreen (PWND Window)
VOID FASTCALL	UpdateShellHook (PWND Window)
BOOL FASTCALL	co_IntSendDeactivateMessages (HWND hWndPrev, HWND hWnd, BOOL Clear)
VOID	IntFocusSetInputContext (PWND pWnd, BOOL bActivate, BOOL bCallback)
BOOL FASTCALL	IntDeactivateWindow (PTHREADINFO pti, HANDLE tid)
VOID FASTCALL	IntActivateWindow (PWND Wnd, PTHREADINFO pti, HANDLE tid, DWORD Type)
BOOL FASTCALL	co_IntMakeWindowActive (PWND Window)
BOOL FASTCALL	co_IntSendActivateMessages (PWND WindowPrev, PWND Window, BOOL MouseActivate, BOOL Async)
VOID FASTCALL	IntSendFocusMessages (PTHREADINFO pti, PWND pWnd)
BOOL FASTCALL	FindRemoveEventMsg (PTHREADINFO pti, DWORD Event, DWORD EventLast)
BOOL FASTCALL	ToggleFGActivate (PTHREADINFO pti)
BOOL FASTCALL	IsAllowedFGActive (PTHREADINFO pti, PWND Wnd)
BOOL FASTCALL	CanForceFG (PPROCESSINFO ppi)
BOOL FASTCALL	co_IntSetForegroundMessageQueue (_In_opt_ PWND Wnd, _In_ PTHREADINFO pti, _In_ BOOL MouseActivate, _In_ DWORD Type)
static BOOL FASTCALL	co_IntSetForegroundAndFocusWindow (_In_opt_ PWND Wnd, _In_ BOOL MouseActivate, _In_ BOOL bFlash)
BOOL FASTCALL	co_IntSetActiveWindow (_In_ PWND Wnd, _In_ BOOL bMouse, _In_ BOOL bFocus, _In_ BOOL Async)
BOOL FASTCALL	IntUserSetActiveWindow (_In_ PWND Wnd, _In_ BOOL bMouse, _In_ BOOL bFocus, _In_ BOOL Async)
BOOL FASTCALL	co_IntMouseActivateWindow (PWND Wnd)
BOOL FASTCALL	UserSetActiveWindow (_In_opt_ PWND Wnd)
HWND FASTCALL	co_UserSetFocus (PWND Window)
HWND FASTCALL	UserGetForegroundWindow (VOID)
HWND FASTCALL	UserGetActiveWindow (VOID)
HWND APIENTRY	IntGetCapture (VOID)
HWND FASTCALL	co_UserSetCapture (HWND hWnd)
BOOL FASTCALL	IntReleaseCapture (VOID)
BOOL FASTCALL	co_IntSetForegroundWindow (PWND Window)
BOOL FASTCALL	co_IntSetForegroundWindowMouse (PWND Window)
BOOL FASTCALL	IntLockSetForegroundWindow (UINT uLockCode)
BOOL FASTCALL	IntAllowSetForegroundWindow (DWORD dwProcessId)
HWND APIENTRY	NtUserGetForegroundWindow (VOID)
HWND APIENTRY	NtUserSetActiveWindow (HWND hWnd)
HWND APIENTRY	NtUserSetCapture (HWND hWnd)
HWND APIENTRY	NtUserSetFocus (HWND hWnd)

Variables
PUSER_MESSAGE_QUEUE	gpqForeground = NULL
PUSER_MESSAGE_QUEUE	gpqForegroundPrev = NULL
PTHREADINFO	gptiForeground = NULL
PPROCESSINFO	gppiLockSFW = NULL
ULONG	guSFWLockCount = 0
PTHREADINFO	ptiLastInput = NULL
HWND	ghwndOldFullscreen = NULL

Function Documentation

CanForceFG()

BOOL FASTCALL CanForceFG

(

PPROCESSINFO

ppi

)

Definition at line 751 of file focus.c.

{
   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;
}

Referenced by co_IntSetForegroundAndFocusWindow(), IntAllowSetForegroundWindow(), and IntLockSetForegroundWindow().

co_IntMakeWindowActive()

BOOL FASTCALL co_IntMakeWindowActive

(

PWND

Window

)

Definition at line 428 of file focus.c.

{
   PWND spwndOwner;
   if (VerifyWnd(Window))
   {  // Set last active for window and it's owner.
      spwndOwner = Window;
      while (spwndOwner->spwndOwner)
      {
         spwndOwner = spwndOwner->spwndOwner;
      }
      WndSetLastActive(spwndOwner, Window);
      return TRUE;
   }
   ERR("MakeWindowActive Failed!\n");
   return FALSE;
}

Referenced by co_IntSendActivateMessages().

co_IntMouseActivateWindow()

BOOL FASTCALL co_IntMouseActivateWindow

(

PWND

Wnd

)

Definition at line 1252 of file focus.c.

{
   TRACE("Mouse Active\n");
   if (Wnd && (Wnd->ExStyle & WS_EX_NOACTIVATE))
      return TRUE;
   return co_IntSetForegroundAndFocusWindow(Wnd, TRUE, TRUE);
}

Referenced by co_IntProcessMouseMessage().

co_IntSendActivateMessages()

BOOL FASTCALL co_IntSendActivateMessages	(	PWND	WindowPrev,
		PWND	Window,
		BOOL	MouseActivate,
		BOOL	Async
	)

Definition at line 446 of file focus.c.

{
   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);
      }
      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);
            }
         }
      }
      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 )
         {  
            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));
 
      if (Window->style & WS_VISIBLE)
         UpdateShellHook(Window);
 
      Window->state &= ~WNDS_NONCPAINT;
 
      UserDerefObjectCo(Window);
   }
   return InAAPM;
}

Referenced by co_IntSetActiveWindow().

co_IntSendDeactivateMessages()

BOOL FASTCALL co_IntSendDeactivateMessages	(	HWND	hWndPrev,
		HWND	hWnd,
		BOOL	Clear
	)

Definition at line 117 of file focus.c.

{
   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;
}

Referenced by co_IntSetActiveWindow(), and IntDeactivateWindow().

co_IntSetActiveWindow()

BOOL FASTCALL co_IntSetActiveWindow	(	_In_ PWND	Wnd,
		_In_ BOOL	bMouse,
		_In_ BOOL	bFocus,
		_In_ BOOL	Async
	)

Definition at line 1026 of file focus.c.

{
   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);
 
   pWndChg = ThreadQueue->spwndActive; // Keep to notify of a preemptive switch.
   hWndPrev = (pWndChg ? UserHMGetHandle(pWndChg) : NULL);
 
   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);
 
   if (Wnd->ExStyle & WS_EX_NOACTIVATE)
       return TRUE;
 
   /* 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 */
   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);
}

Referenced by co_IntSetForegroundMessageQueue(), co_UserSetFocus(), IntActivateWindow(), and IntUserSetActiveWindow().

co_IntSetForegroundAndFocusWindow()

static BOOL FASTCALL co_IntSetForegroundAndFocusWindow ( _In_opt_ PWND  Wnd, _In_ BOOL  MouseActivate, _In_ BOOL  bFlash  )

static

Definition at line 926 of file focus.c.

{
   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 (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");
       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;
}

Referenced by co_IntMouseActivateWindow(), co_IntSetForegroundWindow(), co_IntSetForegroundWindowMouse(), co_UserSetFocus(), and IntUserSetActiveWindow().

co_IntSetForegroundMessageQueue()

BOOL FASTCALL co_IntSetForegroundMessageQueue	(	_In_opt_ PWND	Wnd,
		_In_ PTHREADINFO	pti,
		_In_ BOOL	MouseActivate,
		_In_ DWORD	Type
	)

Definition at line 769 of file focus.c.

{
   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, UserHMGetHandle(Wnd));
   }
   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; 
              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 ? UserHMGetHandle(Wnd) : NULL);
                 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 ? UserHMGetHandle(Wnd) : NULL);
          IntDeactivateWindow(pti, tid);
      }
   }
   return Ret;
}

Referenced by co_IntSetForegroundAndFocusWindow(), and IntActivateWindow().

co_IntSetForegroundWindow()

BOOL FASTCALL co_IntSetForegroundWindow

(

PWND

Window

)

Definition at line 1550 of file focus.c.

{
   if (Window) ASSERT_REFS_CO(Window);
 
   return co_IntSetForegroundAndFocusWindow(Window, FALSE, TRUE);
}

Referenced by ActivateOtherWindowMin(), co_UserTrackSystemMenu(), co_WinPosActivateOtherWindow(), co_WinPosSetWindowPos(), co_WinPosShowWindow(), DefWndHandleSetCursor(), DefWndHandleSysCommand(), and NtUserCallHwndLock().

co_IntSetForegroundWindowMouse()

BOOL FASTCALL co_IntSetForegroundWindowMouse

(

PWND

Window

)

Definition at line 1561 of file focus.c.

{
   if (Window) ASSERT_REFS_CO(Window);
 
   return co_IntSetForegroundAndFocusWindow(Window, TRUE, FALSE);
}

Referenced by NC_HandleNCLButtonDown(), NtUserCallHwndLock(), and NtUserCallTwoParam().

co_UserSetCapture()

HWND FASTCALL co_UserSetCapture

(

HWND

hWnd

)

These are HACKS!

Definition at line 1458 of file focus.c.

{
   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;
      /* 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;
}

Referenced by DefWndDoSizeMove(), IntReleaseCapture(), IntTrackPopupMenuEx(), MENU_DoNextMenu(), MENU_InitTracking(), MENU_TrackMenu(), NC_DoButton(), NC_HandleNCRButtonDown(), NtUserDragDetect(), and NtUserSetCapture().

co_UserSetFocus()

HWND FASTCALL co_UserSetFocus

(

PWND

Window

)

Definition at line 1316 of file focus.c.

{
   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; 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)UserHMGetHandle(Window), (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, UserHMGetHandle(Window));
   }
   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;
}

Referenced by co_WinPosShowWindow(), IntDefWindowProc(), IntEnableWindow(), IntSendDestroyMsg(), and NtUserSetFocus().

DBG_DEFAULT_CHANNEL()

DBG_DEFAULT_CHANNEL

(

UserFocus

)

FindRemoveEventMsg()

BOOL FASTCALL FindRemoveEventMsg	(	PTHREADINFO	pti,
		DWORD	Event,
		DWORD	EventLast
	)

Definition at line 681 of file focus.c.

{
   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;
}

Referenced by co_IntSetActiveWindow(), and co_IntSetForegroundMessageQueue().

IntActivateWindow()

VOID FASTCALL IntActivateWindow	(	PWND	Wnd,
		PTHREADINFO	pti,
		HANDLE	tid,
		DWORD	Type
	)

Definition at line 359 of file focus.c.

{
   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;
      }
   }
}

Referenced by handle_internal_events().

IntAllowSetForegroundWindow()

BOOL FASTCALL IntAllowSetForegroundWindow

(

DWORD

dwProcessId

)

Definition at line 1603 of file focus.c.

{
   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;
}

Referenced by NtUserCallOneParam().

IntCheckFullscreen()

BOOL FASTCALL IntCheckFullscreen

(

PWND

Window

)

Definition at line 78 of file focus.c.

{
    HWND hWnd;
 
    if (ghwndOldFullscreen && !IntIsWindowFullscreen(ValidateHwndNoErr(ghwndOldFullscreen)))
        ghwndOldFullscreen = NULL;
 
    if (!IntIsWindowFullscreen(Window))
        return FALSE;
 
    hWnd = UserHMGetHandle(Window);
    if (ghwndOldFullscreen != hWnd)
    {
        co_IntShellHookNotify(HSHELL_RUDEAPPACTIVATED, (WPARAM)hWnd, TRUE);
        ghwndOldFullscreen = hWnd;
    }
    return TRUE;
}

Referenced by co_WinPosSetWindowPos(), and UpdateShellHook().

IntDeactivateWindow()

BOOL FASTCALL IntDeactivateWindow	(	PTHREADINFO	pti,
		HANDLE	tid
	)

Definition at line 190 of file focus.c.

{
   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);
      if (IS_IMM_MODE())
      {
         IntFocusSetInputContext(pwndFocus, FALSE, FALSE);
      }
      UserDerefObjectCo(pwndFocus);
   }
 
   /* Check for keyboard modifiers and release them (CORE-14768) */
   MsqReleaseModifierKeys(pti->MessageQueue);
 
   if (InAAPM) pti->TIF_flags &= ~TIF_INACTIVATEAPPMSG;
   if (ptiCurrent != pti)
   {
      IntDereferenceThreadInfo(pti);
      IntDereferenceThreadInfo(ptiCurrent);
   }
   return TRUE;
}

Referenced by co_IntSetForegroundMessageQueue(), and handle_internal_events().

IntFocusSetInputContext()

VOID IntFocusSetInputContext	(	PWND	pWnd,
		BOOL	bActivate,
		BOOL	bCallback
	)

Definition at line 149 of file focus.c.

{
    PTHREADINFO pti;
    PWND pImeWnd;
    USER_REFERENCE_ENTRY Ref;
    HWND hImeWnd;
    WPARAM wParam;
    LPARAM lParam;
 
    if (!pWnd || !pWnd->pcls || IS_WND_IMELIKE(pWnd))
        return;
 
    pti = pWnd->head.pti;
    if (!pti || (pti->TIF_flags & TIF_INCLEANUP))
        return;
 
    pImeWnd = pti->spwndDefaultIme;
    if (!pImeWnd)
        return;
 
    UserRefObjectCo(pImeWnd, &Ref);
 
    hImeWnd = UserHMGetHandle(pImeWnd);
    wParam = (bActivate ? IMS_IMEACTIVATE : IMS_IMEDEACTIVATE);
    lParam = (LPARAM)UserHMGetHandle(pWnd);
 
    if (bCallback)
        co_IntSendMessageWithCallBack(hImeWnd, WM_IME_SYSTEM, wParam, lParam, NULL, 0, NULL);
    else
        co_IntSendMessage(hImeWnd, WM_IME_SYSTEM, wParam, lParam);
 
    UserDerefObjectCo(pImeWnd);
}

Referenced by IntDeactivateWindow(), and IntSendFocusMessages().

IntGetCapture()

HWND APIENTRY IntGetCapture

(

VOID

)

Definition at line 1441 of file focus.c.

{
   PTHREADINFO pti;
   PUSER_MESSAGE_QUEUE ThreadQueue;
   HWND Ret;
 
   TRACE("Enter IntGetCapture\n");
 
   pti = PsGetCurrentThreadWin32Thread();
   ThreadQueue = pti->MessageQueue;
   Ret = ((ThreadQueue && ThreadQueue->spwndCapture) ? UserHMGetHandle(ThreadQueue->spwndCapture) : NULL);
 
   TRACE("Leave IntGetCapture, ret=%p\n", Ret);
   return Ret;
}

Referenced by DefWndDoSizeMove(), MENU_TrackMenu(), NC_HandleNCRButtonDown(), and NtUserGetThreadState().

IntGetCaptureWindow()

HWND FASTCALL IntGetCaptureWindow

(

VOID

)

Definition at line 34 of file focus.c.

{
    PUSER_MESSAGE_QUEUE ForegroundQueue = IntGetFocusMessageQueue();
    if (!ForegroundQueue)
        return NULL;
    return (ForegroundQueue->spwndCapture ? UserHMGetHandle(ForegroundQueue->spwndCapture) : NULL);
}

Referenced by co_IntTranslateAccelerator(), co_MsqInsertMouseMessage(), and IntDefWindowProc().

IntGetThreadFocusWindow()

HWND FASTCALL IntGetThreadFocusWindow

(

VOID

)

Definition at line 43 of file focus.c.

{
    PTHREADINFO pti = PsGetCurrentThreadWin32Thread();
    PUSER_MESSAGE_QUEUE ThreadQueue = pti->MessageQueue;
    if (!ThreadQueue)
        return NULL;
    return (ThreadQueue->spwndFocus ? UserHMGetHandle(ThreadQueue->spwndFocus) : NULL);
}

Referenced by IntEnableWindow(), and NtUserGetThreadState().

IntIsWindowFullscreen()

BOOL FASTCALL IntIsWindowFullscreen

(

PWND

Window

)

Definition at line 52 of file focus.c.

{
    RECTL rclAnd, rclMonitor, rclWindow;
    PMONITOR pMonitor;
 
    if (!Window || !(Window->style & WS_VISIBLE) || (Window->style & WS_CHILD) ||
        !IntGetWindowRect(Window, &rclWindow))
    {
        return FALSE;
    }
 
    pMonitor = UserGetPrimaryMonitor();
    if (!pMonitor)
    {
        RECTL_vSetRect(&rclMonitor, 0, 0,
                       UserGetSystemMetrics(SM_CXSCREEN), UserGetSystemMetrics(SM_CYSCREEN));
    }
    else
    {
        rclMonitor = *(LPRECTL)&pMonitor->rcMonitor;
    }
 
    RECTL_bIntersectRect(&rclAnd, &rclMonitor, &rclWindow);
    return RtlEqualMemory(&rclAnd, &rclMonitor, sizeof(RECTL));
}

Referenced by IntCheckFullscreen().

IntLockSetForegroundWindow()

BOOL FASTCALL IntLockSetForegroundWindow

(

UINT

uLockCode

)

Definition at line 1572 of file focus.c.

{
   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;
}

Referenced by NtUserCallOneParam().

IntReleaseCapture()

BOOL FASTCALL IntReleaseCapture

(

VOID

)

Definition at line 1530 of file focus.c.

{
   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;
}

Referenced by co_UserFreeWindow(), DefWndDoSizeMove(), IntDefWindowProc(), NC_DoButton(), NC_HandleNCRButtonDown(), and NtUserCallNoParam().

IntSendFocusMessages()

VOID FASTCALL IntSendFocusMessages	(	PTHREADINFO	pti,
		PWND	pWnd
	)

Definition at line 617 of file focus.c.

{
   PWND pWndPrev;
   PUSER_MESSAGE_QUEUE ThreadQueue = pti->MessageQueue; // Queue can change...
   HWND hwndPrev;
   USER_REFERENCE_ENTRY Ref;
 
   ThreadQueue->QF_flags &= ~QF_FOCUSNULLSINCEACTIVE;
   if (!pWnd && ThreadQueue->spwndActive)
   {
      ThreadQueue->QF_flags |= QF_FOCUSNULLSINCEACTIVE;
   }
 
   pWndPrev = ThreadQueue->spwndFocus;
   if (pWndPrev)
      UserRefObjectCo(pWndPrev, &Ref);
 
   /* 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 (IS_IMM_MODE())
         {
            IntFocusSetInputContext(pWndPrev, FALSE, FALSE);
         }
      }
      if (ThreadQueue->spwndFocus == pWnd)
      {
         if (IS_IMM_MODE())
         {
            IntFocusSetInputContext(pWnd, TRUE, FALSE);
         }
 
         IntNotifyWinEvent(EVENT_OBJECT_FOCUS, pWnd, OBJID_CLIENT, CHILDID_SELF, 0);
 
         hwndPrev = (pWndPrev ? UserHMGetHandle(pWndPrev) : NULL);
         co_IntSendMessage(UserHMGetHandle(pWnd), WM_SETFOCUS, (WPARAM)hwndPrev, 0);
      }
   }
   else
   {
      if (pWndPrev)
      {
         IntNotifyWinEvent(EVENT_OBJECT_FOCUS, NULL, OBJID_CLIENT, CHILDID_SELF, 0);
 
         co_IntSendMessage(UserHMGetHandle(pWndPrev), WM_KILLFOCUS, 0, 0);
         if (IS_IMM_MODE())
         {
            IntFocusSetInputContext(pWndPrev, FALSE, FALSE);
         }
      }
   }
 
   if (pWndPrev)
      UserDerefObjectCo(pWndPrev);
}

Referenced by co_IntSetActiveWindow(), and co_UserSetFocus().

IntUserSetActiveWindow()

BOOL FASTCALL IntUserSetActiveWindow	(	_In_ PWND	Wnd,
		_In_ BOOL	bMouse,
		_In_ BOOL	bFocus,
		_In_ BOOL	Async
	)

Definition at line 1172 of file focus.c.

{
   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);
}

Referenced by co_IntSetForegroundAndFocusWindow(), and UserSetActiveWindow().

IsAllowedFGActive()

BOOL FASTCALL IsAllowedFGActive	(	PTHREADINFO	pti,
		PWND	Wnd
	)

Definition at line 732 of file focus.c.

{
   // 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;
}

Referenced by co_UserSetFocus(), and IntUserSetActiveWindow().

IsFGLocked()

BOOL FASTCALL IsFGLocked

(

VOID

)

Definition at line 25 of file focus.c.

{
    return (gppiLockSFW || guSFWLockCount);
}

Referenced by co_IntSetForegroundAndFocusWindow(), and IsAllowedFGActive().

NtUserGetForegroundWindow()

HWND APIENTRY NtUserGetForegroundWindow

(

VOID

)

Definition at line 1648 of file focus.c.

{
   HWND Ret;
 
   TRACE("Enter NtUserGetForegroundWindow\n");
   UserEnterExclusive();
 
   Ret = UserGetForegroundWindow();
 
   TRACE("Leave NtUserGetForegroundWindow, ret=%p\n", Ret);
   UserLeave();
   return Ret;
}

Referenced by GetForegroundWindow().

NtUserSetActiveWindow()

HWND APIENTRY NtUserSetActiveWindow

(

HWND

hWnd

)

Definition at line 1663 of file focus.c.

{
   USER_REFERENCE_ENTRY Ref;
   HWND hWndPrev;
   PWND Window, pwndPrev;
   HWND Ret = NULL;
 
   TRACE("Enter NtUserSetActiveWindow(%p)\n", hWnd);
   UserEnterExclusive();
 
   Window = NULL;
   if (hWnd)
   {
      if (!(Window = UserGetWindowObject(hWnd)))
      {
         ERR("NtUserSetActiveWindow: Invalid handle 0x%p!\n",hWnd);
         goto Exit; // Return NULL
      }
   }
 
   if (!Window ||
        Window->head.pti->MessageQueue == gptiCurrent->MessageQueue)
   {
      pwndPrev = gptiCurrent->MessageQueue->spwndActive;
      hWndPrev = (pwndPrev ? UserHMGetHandle(pwndPrev) : NULL);
      if (Window) UserRefObjectCo(Window, &Ref);
      UserSetActiveWindow(Window);
      if (Window) UserDerefObjectCo(Window);
      Ret = ((hWndPrev && IntIsWindow(hWndPrev)) ? hWndPrev : NULL);
   }
 
Exit:
   TRACE("Leave NtUserSetActiveWindow, ret=%p\n", Ret);
   UserLeave();
   return Ret;
}

Referenced by SetActiveWindow().

NtUserSetCapture()

HWND APIENTRY NtUserSetCapture

(

HWND

hWnd

)

Definition at line 1704 of file focus.c.

{
   HWND Ret;
 
   TRACE("Enter NtUserSetCapture(%p)\n", hWnd);
   UserEnterExclusive();
 
   Ret = co_UserSetCapture(hWnd);
 
   TRACE("Leave NtUserSetCapture, ret=%p\n", Ret);
   UserLeave();
   return Ret;
}

Referenced by SetCapture().

NtUserSetFocus()

HWND APIENTRY NtUserSetFocus

(

HWND

hWnd

)

Definition at line 1722 of file focus.c.

{
   PWND Window;
   USER_REFERENCE_ENTRY Ref;
   HWND ret = NULL;
 
   TRACE("Enter NtUserSetFocus(%p)\n", hWnd);
   UserEnterExclusive();
 
   if (hWnd)
   {
      if (!(Window = UserGetWindowObject(hWnd)))
      {
         ERR("NtUserSetFocus: Invalid handle 0x%p!\n",hWnd);
         goto Exit; // Return NULL
      }
 
      UserRefObjectCo(Window, &Ref);
      ret = co_UserSetFocus(Window);
      UserDerefObjectCo(Window);
   }
   else
   {
      ret = co_UserSetFocus(NULL);
   }
 
Exit:
   TRACE("Leave NtUserSetFocus, ret=%p\n", ret);
   UserLeave();
   return ret;
}

Referenced by SetFocus().

ToggleFGActivate()

BOOL FASTCALL ToggleFGActivate

(

PTHREADINFO

pti

)

Definition at line 712 of file focus.c.

{
   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;
}

Referenced by co_IntSetForegroundAndFocusWindow(), and IsAllowedFGActive().

UpdateShellHook()

VOID FASTCALL UpdateShellHook

(

PWND

Window

)

Definition at line 98 of file focus.c.

{
   if (IntCheckFullscreen(Window))
       return;
 
   if ( Window->spwndParent == UserGetDesktopWindow() &&
       (!(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);
   }
}

Referenced by co_IntSendActivateMessages(), co_IntSetForegroundMessageQueue(), co_WinPosSetWindowPos(), and IntActivateWindow().

UserGetActiveWindow()

HWND FASTCALL UserGetActiveWindow

(

VOID

)

Definition at line 1431 of file focus.c.

{
    PTHREADINFO pti = PsGetCurrentThreadWin32Thread();
    PUSER_MESSAGE_QUEUE ThreadQueue = pti->MessageQueue;
    if (!ThreadQueue)
        return NULL;
    return (ThreadQueue->spwndActive ? UserHMGetHandle(ThreadQueue->spwndActive) : NULL);
}

Referenced by co_UserCreateWindowEx(), DefWndHandleSysCommand(), IntDefWindowProc(), NC_HandleNCLButtonDown(), and NtUserGetThreadState().

UserGetForegroundWindow()

HWND FASTCALL UserGetForegroundWindow

(

VOID

)

Definition at line 1423 of file focus.c.

{
    PUSER_MESSAGE_QUEUE ForegroundQueue = IntGetFocusMessageQueue();
    if (!ForegroundQueue)
        return NULL;
    return (ForegroundQueue->spwndActive ? UserHMGetHandle(ForegroundQueue->spwndActive) : NULL);
}

Referenced by co_UserProcessHotKeys(), IntDefWindowProc(), NtUserGetForegroundWindow(), and WinPosFixupFlags().

UserSetActiveWindow()

BOOL FASTCALL UserSetActiveWindow

(

_In_opt_ PWND

Wnd

)

Definition at line 1262 of file focus.c.

{
  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", UserHMGetHandle(Wnd));
     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", UserHMGetHandle(Wnd));
      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;
}

Referenced by co_WinPosActivateOtherWindow(), NtUserCallTwoParam(), and NtUserSetActiveWindow().

Variable Documentation

ghwndOldFullscreen

HWND ghwndOldFullscreen = NULL

Definition at line 19 of file focus.c.

Referenced by IntCheckFullscreen().

gppiLockSFW

PPROCESSINFO gppiLockSFW = NULL

Definition at line 16 of file focus.c.

Referenced by IntLockSetForegroundWindow(), and IsFGLocked().

gpqForeground

PUSER_MESSAGE_QUEUE gpqForeground = NULL

Definition at line 13 of file focus.c.

Referenced by CanForceFG(), co_IntSendActivateMessages(), co_IntSetActiveWindow(), co_IntSetForegroundMessageQueue(), co_UserProcessHotKeys(), co_UserTrackSystemMenu(), co_WinPosActivateOtherWindow(), co_WinPosSetWindowPos(), DefWndHandleSetCursor(), IntActivateWindow(), IntFlashWindowEx(), IntGetActiveKeyboardLayout(), IntSetFocusMessageQueue(), IntSetThreadDesktop(), IntUserSetActiveWindow(), IsAllowedFGActive(), MsqCleanupMessageQueue(), NC_DoNCPaint(), NtUserCallTwoParam(), NtUserCheckImeHotKey(), NtUserGetThreadState(), NtUserQueryWindow(), UserAttachThreadInput(), and UserPaintCaption().

gpqForegroundPrev

PUSER_MESSAGE_QUEUE gpqForegroundPrev = NULL

Definition at line 14 of file focus.c.

Referenced by co_IntSetActiveWindow(), co_IntSetForegroundMessageQueue(), IntSetFocusMessageQueue(), MsqCleanupMessageQueue(), and UserSetActiveWindow().

gptiForeground

PTHREADINFO gptiForeground = NULL

Definition at line 15 of file focus.c.

Referenced by CanForceFG(), co_IntSetForegroundMessageQueue(), co_UserActivateKeyboardLayout(), ExitThreadCallback(), IdlePing(), InitThreadCallback(), IntImeCheckTopmost(), NtUserNotifyIMEStatus(), and UserAttachThreadInput().

guSFWLockCount

ULONG guSFWLockCount = 0

Definition at line 17 of file focus.c.

Referenced by IsFGLocked().

ptiLastInput

PTHREADINFO ptiLastInput = NULL

Definition at line 18 of file focus.c.

Referenced by CanForceFG(), co_IntShellHookNotify(), IntAllowSetForegroundWindow(), and IntSetFocusMessageQueue().