コード例 #1
0
/*
 * @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;
}
コード例 #2
0
BOOL FASTCALL
co_IntSetActiveWindow(PWND Wnd OPTIONAL, BOOL bMouse, BOOL bFocus, 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");
   if (Wnd)
   {
      ASSERT_REFS_CO(Wnd);
      hWnd = UserHMGetHandle(Wnd);
      if ((Wnd->style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
      if (Wnd == UserGetDesktopWindow()) return FALSE;
      //ERR("co_IntSetActiveWindow 1a hWnd 0x%p\n",hWnd);
   }

   //ERR("co_IntSetActiveWindow 2\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.

   while (Wnd)
   {
      BOOL Ret, DoFG, AllowFG;

      if (Wnd->state & WNDS_BEINGACTIVATED) return TRUE;

      if (ThreadQueue == Wnd->head.pti->MessageQueue)
      {
         if (IsAllowedFGActive(pti, Wnd))
         {
             DoFG = TRUE;
         }
         else
         {
             //ERR("co_IntSetActiveWindow 3 Go Out!\n");
             break;
         }
         AllowFG = !pti->cVisWindows; // Nothing is visable.
         //ERR("co_IntSetActiveWindow 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 (!ForegroundQueue || ForegroundQueue == ThreadQueue)
         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("co_IntSetActiveWindow 3b DoFG = %d AllowFG = %d\n",DoFG,AllowFG);
      }
      Ret = FALSE;
      if (DoFG)
      {
         pti->TIF_flags |= TIF_ALLOWFOREGROUNDACTIVATE;
         //ERR("co_IntSetActiveWindow 3c FG set\n");
         Ret = co_IntSetForegroundAndFocusWindow(Wnd, bMouse);
         if (AllowFG)
         {
            pti->TIF_flags |= TIF_ALLOWFOREGROUNDACTIVATE;
         }
         else
         {
            pti->TIF_flags &= ~TIF_ALLOWFOREGROUNDACTIVATE;
         }
      }
      return Ret;
   }

   /* 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;
   }

   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)) 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: Summery ERROR, active state changed!\n");
      return FALSE;
   }

   if (!WndPrev) ThreadQueue->QF_flags &= ~QF_FOCUSNULLSINCEACTIVE;

   if (Wnd) Wnd->state |= WNDS_BEINGACTIVATED;

   IntNotifyWinEvent(EVENT_SYSTEM_FOREGROUND, Wnd, OBJID_WINDOW, CHILDID_SELF, WEF_SETBYWNDPTI);
   //// Breaks Atl-Esc/Tab via User32.
   ////FindRemoveAsyncMsg(Wnd,(WPARAM)Wnd); // Clear out activate ASYNC messages.

   /* check if the specified window can be set in the input data of a given queue */
   if ( !Wnd || ThreadQueue == Wnd->head.pti->MessageQueue)
   {
      /* set the current thread active window */
      ThreadQueue->spwndActive = Wnd;
   }

   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 (ThreadQueue->spwndActive == Wnd)
      {
         if (!ThreadQueue->spwndFocus ||
             !Wnd ||
              UserGetAncestor(ThreadQueue->spwndFocus, GA_ROOT) != Wnd)
         {
            co_UserSetFocus(Wnd);
         }
      }
   }

   if (InAAPM)
   {
      pti->TIF_flags &= ~TIF_INACTIVATEAPPMSG;
   }

   // FIXME: Used in the menu loop!!!
   //ThreadQueue->QF_flags |= QF_ACTIVATIONCHANGE;

   //ERR("co_IntSetActiveWindow Exit\n");
   if (Wnd) Wnd->state &= ~WNDS_BEINGACTIVATED;
   return (ThreadQueue->spwndActive == Wnd);
}
コード例 #3
0
ファイル: focus.c プロジェクト: mutoso-mirrors/reactos
BOOL FASTCALL
co_IntSetActiveWindow(PWND Wnd OPTIONAL, HWND * Prev, BOOL bMouse, BOOL bFocus, BOOL Async)
{
   PTHREADINFO pti;
   PUSER_MESSAGE_QUEUE ThreadQueue;
   PWND pWndChg, WndPrev; // State changes.
   HWND hWndPrev;
   HWND hWnd = 0;
   BOOL InAAPM;
   CBTACTIVATESTRUCT cbt;

   if (Wnd)
   {
      ASSERT_REFS_CO(Wnd);
      hWnd = UserHMGetHandle(Wnd);
      if ((Wnd->style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
      if (Wnd == UserGetDesktopWindow()) return FALSE;
   }

   pti = PsGetCurrentThreadWin32Thread();
   ThreadQueue = pti->MessageQueue;
   ASSERT(ThreadQueue != 0);

   hWndPrev = ThreadQueue->spwndActive ? UserHMGetHandle(ThreadQueue->spwndActive) : NULL;
   if (Prev) *Prev = hWndPrev;
   if (hWndPrev == hWnd) return TRUE;

   pWndChg = ThreadQueue->spwndActive; // Keep to notify of a preemptive switch.

   if (Wnd)
   {
      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 (!ForegroundQueue || ForegroundQueue == ThreadQueue)
         {
            return co_IntSetForegroundAndFocusWindow(Wnd, bMouse);
         }
      }

      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;
   }

   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(hWndPrev, hWnd)) return FALSE;
   }

   // 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 != ThreadQueue->spwndActive ||
        (Wnd && !VerifyWnd(Wnd)) ||
        ThreadQueue != pti->MessageQueue )
   {
      ERR("SetActiveWindow: Summery ERROR, active state changed!\n");
      return FALSE;
   }

   if (!WndPrev) ThreadQueue->QF_flags &= ~QF_FOCUSNULLSINCEACTIVE;

   if (Wnd) Wnd->state |= WNDS_BEINGACTIVATED;

   IntNotifyWinEvent(EVENT_SYSTEM_FOREGROUND, Wnd, OBJID_WINDOW, CHILDID_SELF, WEF_SETBYWNDPTI);

   /* check if the specified window can be set in the input data of a given queue */
   if ( !Wnd || ThreadQueue == Wnd->head.pti->MessageQueue)
   {
      /* set the current thread active window */
      ThreadQueue->spwndActive = Wnd;
   }

   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 (ThreadQueue->spwndActive == Wnd)
      {
         if (!ThreadQueue->spwndFocus ||
             !Wnd ||
              UserGetAncestor(ThreadQueue->spwndFocus, GA_ROOT) != Wnd)
         {
            co_UserSetFocus(Wnd);
         }
      }
   }

   if (InAAPM)
   {
      pti->TIF_flags &= ~TIF_INACTIVATEAPPMSG;
      pti->pClientInfo->dwTIFlags = pti->TIF_flags;
   }

   // FIXME: Used in the menu loop!!!
   //ThreadQueue->QF_flags |= QF_ACTIVATIONCHANGE;

   if (Wnd) Wnd->state &= ~WNDS_BEINGACTIVATED;
   return (ThreadQueue->spwndActive == Wnd);
}