mirror of
https://github.com/reactos/reactos.git
synced 2024-09-06 19:02:32 +00:00
1055 lines
29 KiB
C
1055 lines
29 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS Win32k subsystem
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* PURPOSE: Focus functions
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* FILE: subsystems/win32/win32k/ntuser/focus.c
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* PROGRAMER: ReactOS Team
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*/
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#include <win32k.h>
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DBG_DEFAULT_CHANNEL(UserFocus);
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PUSER_MESSAGE_QUEUE gpqForeground = NULL;
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PUSER_MESSAGE_QUEUE gpqForegroundPrev = NULL;
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PTHREADINFO gptiForeground = NULL;
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PPROCESSINFO gppiLockSFW = NULL;
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ULONG guSFWLockCount = 0; // Rule #8, No menus are active. So should be zero.
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PTHREADINFO ptiLastInput = NULL;
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/*
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Check locking of a process or one or more menus are active.
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*/
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BOOL FASTCALL
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IsFGLocked(VOID)
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{
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return (gppiLockSFW || guSFWLockCount);
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}
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HWND FASTCALL
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IntGetCaptureWindow(VOID)
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{
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PUSER_MESSAGE_QUEUE ForegroundQueue = IntGetFocusMessageQueue();
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return ( ForegroundQueue ? (ForegroundQueue->spwndCapture ? UserHMGetHandle(ForegroundQueue->spwndCapture) : 0) : 0);
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}
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HWND FASTCALL
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IntGetThreadFocusWindow(VOID)
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{
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PTHREADINFO pti;
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PUSER_MESSAGE_QUEUE ThreadQueue;
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pti = PsGetCurrentThreadWin32Thread();
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ThreadQueue = pti->MessageQueue;
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if (!ThreadQueue)
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return NULL;
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return ThreadQueue->spwndFocus ? UserHMGetHandle(ThreadQueue->spwndFocus) : 0;
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}
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BOOL FASTCALL
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co_IntSendDeactivateMessages(HWND hWndPrev, HWND hWnd)
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{
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USER_REFERENCE_ENTRY RefPrev;
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PWND WndPrev;
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BOOL Ret = TRUE;
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if (hWndPrev && (WndPrev = ValidateHwndNoErr(hWndPrev)))
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{
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UserRefObjectCo(WndPrev, &RefPrev);
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if (co_IntSendMessageNoWait(hWndPrev, WM_NCACTIVATE, FALSE, 0)) //(LPARAM)hWnd))
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{
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co_IntSendMessageNoWait(hWndPrev, WM_ACTIVATE,
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MAKEWPARAM(WA_INACTIVE, WndPrev->style & WS_MINIMIZE),
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(LPARAM)hWnd);
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if (WndPrev)
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WndPrev->state &= ~WNDS_ACTIVEFRAME;
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}
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else
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{
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ERR("Application is keeping itself Active to prevent the change!\n");
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Ret = FALSE;
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}
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UserDerefObjectCo(WndPrev);
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}
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return Ret;
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}
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BOOL FASTCALL
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co_IntMakeWindowActive(PWND Window)
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{
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PWND spwndOwner;
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if (Window)
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{ // Set last active for window and it's owner.
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spwndOwner = Window;
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while (spwndOwner->spwndOwner)
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{
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spwndOwner = spwndOwner->spwndOwner;
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}
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spwndOwner->spwndLastActive = Window;
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return TRUE;
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}
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ERR("MakeWindowActive Failed!\n");
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return FALSE;
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}
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BOOL FASTCALL
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co_IntSendActivateMessages(PWND WindowPrev, PWND Window, BOOL MouseActivate, BOOL Async)
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{
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USER_REFERENCE_ENTRY Ref, RefPrev;
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HANDLE OldTID, NewTID;
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PTHREADINFO pti, ptiOld, ptiNew;
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BOOL InAAPM = FALSE;
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if (Window)
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{
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pti = PsGetCurrentThreadWin32Thread();
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UserRefObjectCo(Window, &Ref);
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if (WindowPrev) UserRefObjectCo(WindowPrev, &RefPrev);
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/* Send palette messages */
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if (gpsi->PUSIFlags & PUSIF_PALETTEDISPLAY &&
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co_IntPostOrSendMessage(UserHMGetHandle(Window), WM_QUERYNEWPALETTE, 0, 0))
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{
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UserSendNotifyMessage( HWND_BROADCAST,
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WM_PALETTEISCHANGING,
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(WPARAM)UserHMGetHandle(Window),
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0);
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}
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//// Fixes bug 7089.
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if (!(Window->style & WS_CHILD))
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{
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PWND pwndTemp = co_GetDesktopWindow(Window)->spwndChild;
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while (pwndTemp && !(pwndTemp->style & WS_VISIBLE)) pwndTemp = pwndTemp->spwndNext;
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if (Window != pwndTemp || (WindowPrev && !IntIsWindowVisible(WindowPrev)))
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{
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if (!Async || pti->MessageQueue == gpqForeground)
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{
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UINT flags = SWP_NOSIZE | SWP_NOMOVE;
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if (Window == pwndTemp) flags |= SWP_NOACTIVATE;
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co_WinPosSetWindowPos(Window, HWND_TOP, 0, 0, 0, 0, flags);
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}
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}
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}
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////
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OldTID = WindowPrev ? IntGetWndThreadId(WindowPrev) : NULL;
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NewTID = IntGetWndThreadId(Window);
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ptiOld = WindowPrev ? WindowPrev->head.pti : NULL;
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ptiNew = Window->head.pti;
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//ERR("SendActivateMessage Old -> %x, New -> %x\n", OldTID, NewTID);
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if (!(pti->TIF_flags & TIF_INACTIVATEAPPMSG) &&
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(!WindowPrev || OldTID != NewTID) )
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{
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PWND cWindow;
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HWND *List, *phWnd;
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List = IntWinListChildren(UserGetDesktopWindow());
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if ( List )
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{
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if ( OldTID )
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{
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ptiOld->TIF_flags |= TIF_INACTIVATEAPPMSG;
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ptiOld->pClientInfo->dwTIFlags = ptiOld->TIF_flags;
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for (phWnd = List; *phWnd; ++phWnd)
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{
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cWindow = ValidateHwndNoErr(*phWnd);
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if (cWindow && cWindow->head.pti == ptiOld)
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{ // FALSE if the window is being deactivated,
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// ThreadId that owns the window being activated.
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co_IntSendMessageNoWait(*phWnd, WM_ACTIVATEAPP, FALSE, (LPARAM)NewTID);
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}
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}
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ptiOld->TIF_flags &= ~TIF_INACTIVATEAPPMSG;
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ptiOld->pClientInfo->dwTIFlags = ptiOld->TIF_flags;
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}
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if ( NewTID )
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{ //// Prevents a resource crash due to reentrance!
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InAAPM = TRUE;
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pti->TIF_flags |= TIF_INACTIVATEAPPMSG;
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pti->pClientInfo->dwTIFlags = pti->TIF_flags;
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////
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for (phWnd = List; *phWnd; ++phWnd)
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{
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cWindow = ValidateHwndNoErr(*phWnd);
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if (cWindow && cWindow->head.pti == ptiNew)
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{ // TRUE if the window is being activated,
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// ThreadId that owns the window being deactivated.
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co_IntSendMessageNoWait(*phWnd, WM_ACTIVATEAPP, TRUE, (LPARAM)OldTID);
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}
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}
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}
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ExFreePoolWithTag(List, USERTAG_WINDOWLIST);
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}
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}
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if (WindowPrev)
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UserDerefObjectCo(WindowPrev); // Now allow the previous window to die.
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if (Window->state & WNDS_ACTIVEFRAME)
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{ // If already active frame do not allow NCPaint.
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//ERR("SendActivateMessage Is Active Frame!\n");
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Window->state |= WNDS_NONCPAINT;
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}
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if (Window->style & WS_MINIMIZE)
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{
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TRACE("Widow was minimized\n");
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}
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co_IntMakeWindowActive(Window);
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UserDerefObjectCo(Window);
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/* FIXME: IntIsWindow */
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co_IntSendMessageNoWait( UserHMGetHandle(Window),
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WM_NCACTIVATE,
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(WPARAM)(Window == gpqForeground->spwndActive),
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0); //(LPARAM)hWndPrev);
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co_IntSendMessageNoWait( UserHMGetHandle(Window),
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WM_ACTIVATE,
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MAKEWPARAM(MouseActivate ? WA_CLICKACTIVE : WA_ACTIVE, Window->style & WS_MINIMIZE),
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(LPARAM)(WindowPrev ? UserHMGetHandle(WindowPrev) : 0));
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if (!Window->spwndOwner && !IntGetParent(Window))
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{
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// FIXME lParam; The value is TRUE if the window is in full-screen mode, or FALSE otherwise.
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co_IntShellHookNotify(HSHELL_WINDOWACTIVATED, (WPARAM) UserHMGetHandle(Window), FALSE);
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}
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Window->state &= ~WNDS_NONCPAINT;
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}
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return InAAPM;
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}
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VOID FASTCALL
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IntSendFocusMessages( PTHREADINFO pti, PWND pWnd)
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{
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PWND pWndPrev;
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PUSER_MESSAGE_QUEUE ThreadQueue = pti->MessageQueue; // Queue can change...
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ThreadQueue->QF_flags &= ~QF_FOCUSNULLSINCEACTIVE;
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if (!pWnd && ThreadQueue->spwndActive)
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{
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ThreadQueue->QF_flags |= QF_FOCUSNULLSINCEACTIVE;
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}
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pWndPrev = ThreadQueue->spwndFocus;
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/* check if the specified window can be set in the input data of a given queue */
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if (!pWnd || ThreadQueue == pWnd->head.pti->MessageQueue)
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/* set the current thread focus window */
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ThreadQueue->spwndFocus = pWnd;
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if (pWnd)
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{
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if (pWndPrev)
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{
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co_IntPostOrSendMessage(UserHMGetHandle(pWndPrev), WM_KILLFOCUS, (WPARAM)UserHMGetHandle(pWnd), 0);
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}
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if (ThreadQueue->spwndFocus == pWnd)
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{
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IntNotifyWinEvent(EVENT_OBJECT_FOCUS, pWnd, OBJID_CLIENT, CHILDID_SELF, 0);
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co_IntPostOrSendMessage(UserHMGetHandle(pWnd), WM_SETFOCUS, (WPARAM)(pWndPrev ? UserHMGetHandle(pWndPrev) : NULL), 0);
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}
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}
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else
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{
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if (pWndPrev)
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{
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IntNotifyWinEvent(EVENT_OBJECT_FOCUS, NULL, OBJID_CLIENT, CHILDID_SELF, 0);
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co_IntPostOrSendMessage(UserHMGetHandle(pWndPrev), WM_KILLFOCUS, 0, 0);
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}
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}
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}
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HWND FASTCALL
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IntFindChildWindowToOwner(PWND Root, PWND Owner)
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{
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HWND Ret;
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PWND Child, OwnerWnd;
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for(Child = Root->spwndChild; Child; Child = Child->spwndNext)
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{
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OwnerWnd = Child->spwndOwner;
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if(!OwnerWnd)
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continue;
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if(OwnerWnd == Owner)
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{
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Ret = Child->head.h;
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return Ret;
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}
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}
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return NULL;
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}
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VOID FASTCALL
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FindRemoveAsyncMsg(PWND Wnd)
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{
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PUSER_MESSAGE_QUEUE MessageQueue;
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PUSER_SENT_MESSAGE Message;
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PLIST_ENTRY Entry;
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if (!Wnd) return;
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MessageQueue = Wnd->head.pti->MessageQueue;
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if (!IsListEmpty(&MessageQueue->SentMessagesListHead))
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{
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// Scan sent queue messages to see if we received async messages.
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Entry = MessageQueue->SentMessagesListHead.Flink;
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Message = CONTAINING_RECORD(Entry, USER_SENT_MESSAGE, ListEntry);
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do
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{
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if (Message->Msg.message == WM_ASYNC_SETACTIVEWINDOW &&
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Message->Msg.hwnd == UserHMGetHandle(Wnd) &&
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Message->Msg.wParam == 0 )
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{
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TRACE("ASYNC SAW: Found one in the Sent Msg Queue! %p\n", Message->Msg.hwnd);
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RemoveEntryList(Entry); // Purge the entry.
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}
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Entry = Message->ListEntry.Flink;
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Message = CONTAINING_RECORD(Entry, USER_SENT_MESSAGE, ListEntry);
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}
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while (Entry != &MessageQueue->SentMessagesListHead);
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}
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}
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/*
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Can the system force foreground from one or more conditions.
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*/
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BOOL FASTCALL
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CanForceFG(PPROCESSINFO ppi)
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{
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if (!ptiLastInput ||
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ptiLastInput->ppi == ppi ||
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!gptiForeground ||
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gptiForeground->ppi == ppi ||
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ppi->W32PF_flags & (W32PF_ALLOWFOREGROUNDACTIVATE | W32PF_SETFOREGROUNDALLOWED) ||
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gppiInputProvider == ppi ||
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!gpqForeground
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) return TRUE;
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return FALSE;
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}
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/*
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MSDN:
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The system restricts which processes can set the foreground window. A process
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can set the foreground window only if one of the following conditions is true:
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* The process is the foreground process.
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* The process was started by the foreground process.
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* The process received the last input event.
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* There is no foreground process.
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* The foreground process is being debugged.
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* The foreground is not locked (see LockSetForegroundWindow).
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* The foreground lock time-out has expired (see SPI_GETFOREGROUNDLOCKTIMEOUT in SystemParametersInfo).
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* No menus are active.
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*/
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static BOOL FASTCALL
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co_IntSetForegroundAndFocusWindow(
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_In_ PWND Wnd,
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_In_ BOOL MouseActivate)
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{
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HWND hWnd;
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HWND hWndPrev = NULL;
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PUSER_MESSAGE_QUEUE PrevForegroundQueue;
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PTHREADINFO pti;
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BOOL fgRet = FALSE, Ret = FALSE;
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ASSERT_REFS_CO(Wnd);
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NT_ASSERT(Wnd != NULL);
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hWnd = UserHMGetHandle(Wnd);
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TRACE("SetForegroundAndFocusWindow(%x, %s)\n", hWnd, (MouseActivate ? "TRUE" : "FALSE"));
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PrevForegroundQueue = IntGetFocusMessageQueue(); // Use this active desktop.
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pti = PsGetCurrentThreadWin32Thread();
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if (PrevForegroundQueue)
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{ // Same Window Q as foreground just do active.
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//ERR("Same Window Q as foreground just do active.\n");
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if (Wnd && Wnd->head.pti->MessageQueue == PrevForegroundQueue)
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{
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if (pti->MessageQueue == PrevForegroundQueue)
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{ // Same WQ and TQ go active.
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//ERR("Same WQ and TQ go active.\n");
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Ret = co_IntSetActiveWindow(Wnd, NULL, MouseActivate, TRUE, FALSE);
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}
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else if (Wnd->head.pti->MessageQueue->spwndActive == Wnd)
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{ // Same WQ and it is active.
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//ERR("Same WQ and it is active.\n");
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Ret = TRUE;
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}
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else
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{ // Same WQ as FG but not the same TQ send active.
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//ERR("Same WQ as FG but not the same TQ send active.\n");
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co_IntSendMessageNoWait(hWnd, WM_ASYNC_SETACTIVEWINDOW, (WPARAM)Wnd, (LPARAM)MouseActivate );
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Ret = TRUE;
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}
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return Ret;
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}
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hWndPrev = PrevForegroundQueue->spwndActive ? UserHMGetHandle(PrevForegroundQueue->spwndActive) : 0;
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}
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if ( (( !IsFGLocked() || pti->ppi == gppiInputProvider ) &&
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( CanForceFG(pti->ppi) || pti->TIF_flags & (TIF_SYSTEMTHREAD|TIF_CSRSSTHREAD|TIF_ALLOWFOREGROUNDACTIVATE) )) ||
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pti->ppi == ppiScrnSaver
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)
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{
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IntSetFocusMessageQueue(Wnd->head.pti->MessageQueue);
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gptiForeground = Wnd->head.pti;
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TRACE("Set Foreground pti 0x%p Q 0x%p\n",Wnd->head.pti, Wnd->head.pti->MessageQueue);
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/*
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Henri Verbeet,
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What happens is that we get the WM_WINE_SETACTIVEWINDOW message sent by the
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other thread after we already changed the foreground window back to our own
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window.
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*/
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FindRemoveAsyncMsg(Wnd); // Do this to fix test_SFW todos!
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fgRet = TRUE;
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}
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// Fix FG Bounce with regedit.
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if (hWndPrev != hWnd )
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{
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if (PrevForegroundQueue &&
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fgRet &&
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Wnd->head.pti->MessageQueue != PrevForegroundQueue &&
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PrevForegroundQueue->spwndActive)
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{
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//ERR("SFGW: Send NULL to 0x%x\n",hWndPrev);
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if (pti->MessageQueue == PrevForegroundQueue)
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{
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//ERR("SFGW: TI same as Prev TI\n");
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co_IntSetActiveWindow(NULL, NULL, FALSE, TRUE, FALSE);
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}
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else
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co_IntSendMessageNoWait(hWndPrev, WM_ASYNC_SETACTIVEWINDOW, 0, 0 );
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}
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}
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if (pti->MessageQueue == Wnd->head.pti->MessageQueue)
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{
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Ret = co_IntSetActiveWindow(Wnd, NULL, MouseActivate, TRUE, FALSE);
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}
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else if (Wnd->head.pti->MessageQueue->spwndActive == Wnd)
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{
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Ret = TRUE;
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}
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else
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{
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co_IntSendMessageNoWait(hWnd, WM_ASYNC_SETACTIVEWINDOW, (WPARAM)Wnd, (LPARAM)MouseActivate );
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Ret = TRUE;
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}
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return Ret && fgRet;
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}
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BOOL FASTCALL
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co_IntMouseActivateWindow(PWND Wnd)
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{
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HWND Top;
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PWND TopWindow;
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USER_REFERENCE_ENTRY Ref;
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ASSERT_REFS_CO(Wnd);
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if (Wnd->style & WS_DISABLED)
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{
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BOOL Ret;
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PWND TopWnd;
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PWND DesktopWindow = UserGetDesktopWindow();
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if (DesktopWindow)
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{
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Top = IntFindChildWindowToOwner(DesktopWindow, Wnd);
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if ((TopWnd = ValidateHwndNoErr(Top)))
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{
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UserRefObjectCo(TopWnd, &Ref);
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Ret = co_IntMouseActivateWindow(TopWnd);
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UserDerefObjectCo(TopWnd);
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return Ret;
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}
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}
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return FALSE;
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}
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TopWindow = UserGetAncestor(Wnd, GA_ROOT);
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//if (TopWindow) {ERR("MAW 2 pWnd %p hWnd %p\n",TopWindow,TopWindow->head.h);}
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if (!TopWindow) return FALSE;
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/* TMN: Check return value from this function? */
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UserRefObjectCo(TopWindow, &Ref);
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co_IntSetForegroundAndFocusWindow(TopWindow, TRUE);
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UserDerefObjectCo(TopWindow);
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return TRUE;
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}
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BOOL FASTCALL
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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);
|
|
}
|
|
|
|
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 */
|
|
pwndTop = Window;
|
|
for (;;)
|
|
{
|
|
if (pwndTop->style & (WS_MINIMIZED|WS_DISABLED)) return 0;
|
|
if (!pwndTop->spwndParent || pwndTop->spwndParent == UserGetDesktopWindow())
|
|
{
|
|
if ((pwndTop->style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return 0;
|
|
break;
|
|
}
|
|
if (pwndTop->spwndParent == UserGetMessageWindow()) return 0;
|
|
pwndTop = pwndTop->spwndParent;
|
|
}
|
|
|
|
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) // HACK see rule 2 & 3.
|
|
{
|
|
if (!co_IntSetForegroundAndFocusWindow(pwndTop, FALSE))
|
|
{
|
|
ERR("SetFocus: Set Foreground and Focus Failed!\n");
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/* Set Active when it is needed. */
|
|
if (pwndTop != ThreadQueue->spwndActive)
|
|
{
|
|
if (!co_IntSetActiveWindow(pwndTop, NULL, 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: %d -> %d\n", hWndPrev, Window->head.h);
|
|
}
|
|
else /* NULL hwnd passed in */
|
|
{
|
|
// if (!hWndPrev) return 0; /* nothing to do */
|
|
|
|
if (co_HOOK_CallHooks( WH_CBT, HCBT_SETFOCUS, (WPARAM)0, (LPARAM)hWndPrev))
|
|
{
|
|
ERR("SetFocus: 2 WH_CBT Call Hook return!\n");
|
|
return 0;
|
|
}
|
|
|
|
/* set the current thread focus window null */
|
|
IntSendFocusMessages( pti, NULL);
|
|
}
|
|
return hWndPrev ? (IntIsWindow(hWndPrev) ? hWndPrev : 0) : 0;
|
|
}
|
|
|
|
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=%i\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)
|
|
{
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
hWndPrev = MsqSetStateWindow(ThreadQueue, 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);
|
|
|
|
if (hWndPrev && hWndPrev != hWnd)
|
|
{
|
|
if (ThreadQueue->MenuOwner && Window) ThreadQueue->QF_flags |= QF_CAPTURELOCKED;
|
|
|
|
co_IntPostOrSendMessage(hWndPrev, WM_CAPTURECHANGED, 0, (LPARAM)hWnd);
|
|
|
|
ThreadQueue->QF_flags &= ~QF_CAPTURELOCKED;
|
|
}
|
|
|
|
ThreadQueue->spwndCapture = Window;
|
|
|
|
if (hWnd == NULL) // Release mode.
|
|
{
|
|
MOUSEINPUT mi;
|
|
/// These are HACKS!
|
|
/* Also remove other windows if not capturing anymore */
|
|
MsqSetStateWindow(ThreadQueue, MSQ_STATE_MENUOWNER, NULL);
|
|
MsqSetStateWindow(ThreadQueue, 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)
|
|
{
|
|
ASSERT_REFS_CO(Window);
|
|
|
|
return co_IntSetForegroundAndFocusWindow(Window, 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((HANDLE)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.
|
|
ptiLastInput = NULL;
|
|
}
|
|
else
|
|
{ // Rule #3, last input event in force.
|
|
ptiLastInput = ppi->ptiList;
|
|
ObDereferenceObject(Process);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
HWND APIENTRY
|
|
NtUserGetForegroundWindow(VOID)
|
|
{
|
|
DECLARE_RETURN(HWND);
|
|
|
|
TRACE("Enter NtUserGetForegroundWindow\n");
|
|
UserEnterExclusive();
|
|
|
|
RETURN( UserGetForegroundWindow());
|
|
|
|
CLEANUP:
|
|
TRACE("Leave NtUserGetForegroundWindow, ret=%i\n",_ret_);
|
|
UserLeave();
|
|
END_CLEANUP;
|
|
}
|
|
|
|
HWND APIENTRY
|
|
NtUserSetActiveWindow(HWND hWnd)
|
|
{
|
|
USER_REFERENCE_ENTRY Ref;
|
|
HWND hWndPrev;
|
|
PWND Window;
|
|
DECLARE_RETURN(HWND);
|
|
|
|
TRACE("Enter NtUserSetActiveWindow(%x)\n", hWnd);
|
|
UserEnterExclusive();
|
|
|
|
Window = NULL;
|
|
if (hWnd)
|
|
{
|
|
if (!(Window = UserGetWindowObject(hWnd)))
|
|
{
|
|
ERR("NtUserSetActiveWindow: Invalid handle 0x%p!\n",hWnd);
|
|
RETURN( NULL);
|
|
}
|
|
}
|
|
|
|
if (!Window ||
|
|
Window->head.pti->MessageQueue == gptiCurrent->MessageQueue)
|
|
{
|
|
hWndPrev = gptiCurrent->MessageQueue->spwndActive ? UserHMGetHandle(gptiCurrent->MessageQueue->spwndActive) : NULL;
|
|
if (Window) UserRefObjectCo(Window, &Ref);
|
|
co_IntSetActiveWindow(Window, NULL, FALSE, TRUE, FALSE);
|
|
if (Window) UserDerefObjectCo(Window);
|
|
RETURN( hWndPrev ? (IntIsWindow(hWndPrev) ? hWndPrev : 0) : 0 );
|
|
}
|
|
RETURN( NULL);
|
|
|
|
CLEANUP:
|
|
TRACE("Leave NtUserSetActiveWindow, ret=%p\n",_ret_);
|
|
UserLeave();
|
|
END_CLEANUP;
|
|
}
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
HWND APIENTRY
|
|
NtUserSetCapture(HWND hWnd)
|
|
{
|
|
DECLARE_RETURN(HWND);
|
|
|
|
TRACE("Enter NtUserSetCapture(%x)\n", hWnd);
|
|
UserEnterExclusive();
|
|
|
|
RETURN( co_UserSetCapture(hWnd));
|
|
|
|
CLEANUP:
|
|
TRACE("Leave NtUserSetCapture, ret=%i\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(%x)\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 */
|