reactos/win32ss/user/ntuser/focus.c

   1 /*
   2  * COPYRIGHT:        See COPYING in the top level directory
   3  * PROJECT:          ReactOS Win32k subsystem
   4  * PURPOSE:          Focus functions
   5  * FILE:             subsystems/win32/win32k/ntuser/focus.c
   6  * PROGRAMER:        ReactOS Team
   7  */
   8
   9 #include <win32k.h>
  10 DBG_DEFAULT_CHANNEL(UserFocus);
  11
  12 PUSER_MESSAGE_QUEUE gpqForeground = NULL;
  13 PUSER_MESSAGE_QUEUE gpqForegroundPrev = NULL;
  14 PTHREADINFO gptiForeground = NULL;
  15 PPROCESSINFO gppiLockSFW = NULL;
  16 ULONG guSFWLockCount = 0; // Rule #8, No menus are active. So should be zero.
  17 PTHREADINFO ptiLastInput = NULL;
  18
  19 /*
  20   Check locking of a process or one or more menus are active.
  21 */
  22 BOOL FASTCALL
  23 IsFGLocked(VOID)
  24 {
  25    return (gppiLockSFW || guSFWLockCount);
  26 }
  27
  28 /*
  29   Get capture window via foreground Queue.
  30 */
  31 HWND FASTCALL
  32 IntGetCaptureWindow(VOID)
  33 {
  34    PUSER_MESSAGE_QUEUE ForegroundQueue = IntGetFocusMessageQueue();
  35    return ( ForegroundQueue ? (ForegroundQueue->spwndCapture ? UserHMGetHandle(ForegroundQueue->spwndCapture) : 0) : 0);
  36 }
  37
  38 HWND FASTCALL
  39 IntGetThreadFocusWindow(VOID)
  40 {
  41    PTHREADINFO pti;
  42    PUSER_MESSAGE_QUEUE ThreadQueue;
  43
  44    pti = PsGetCurrentThreadWin32Thread();
  45    ThreadQueue = pti->MessageQueue;
  46    if (!ThreadQueue)
  47      return NULL;
  48    return ThreadQueue->spwndFocus ? UserHMGetHandle(ThreadQueue->spwndFocus) : 0;
  49 }
  50
  51 BOOL FASTCALL
  52 co_IntSendDeactivateMessages(HWND hWndPrev, HWND hWnd)
  53 {
  54    USER_REFERENCE_ENTRY RefPrev;
  55    PWND WndPrev;
  56    BOOL Ret = TRUE;
  57
  58    if (hWndPrev && (WndPrev = ValidateHwndNoErr(hWndPrev)))
  59    {
  60       UserRefObjectCo(WndPrev, &RefPrev);
  61
  62       if (co_IntSendMessageNoWait(hWndPrev, WM_NCACTIVATE, FALSE, 0)) //(LPARAM)hWnd))
  63       {
  64          co_IntSendMessageNoWait(hWndPrev, WM_ACTIVATE,
  65                     MAKEWPARAM(WA_INACTIVE, WndPrev->style & WS_MINIMIZE),
  66                     (LPARAM)hWnd);
  67
  68          if (WndPrev)
  69             WndPrev->state &= ~WNDS_ACTIVEFRAME;
  70       }
  71       else
  72       {
  73          ERR("Application is keeping itself Active to prevent the change!\n");
  74          Ret = FALSE;
  75       }
  76
  77       UserDerefObjectCo(WndPrev);
  78    }
  79    return Ret;
  80 }
  81
  82 BOOL FASTCALL
  83 co_IntMakeWindowActive(PWND Window)
  84 {
  85   PWND spwndOwner;
  86   if (VerifyWnd(Window))
  87   {  // Set last active for window and it's owner.
  88      spwndOwner = Window;
  89      while (spwndOwner->spwndOwner)
  90      {
  91        spwndOwner = spwndOwner->spwndOwner;
  92      }
  93      spwndOwner->spwndLastActive = Window;
  94      return TRUE;
  95    }
  96    ERR("MakeWindowActive Failed!\n");
  97    return FALSE;
  98 }
  99
 100 BOOL FASTCALL
 101 co_IntSendActivateMessages(PWND WindowPrev, PWND Window, BOOL MouseActivate, BOOL Async)
 102 {
 103    USER_REFERENCE_ENTRY Ref, RefPrev;
 104    HANDLE OldTID, NewTID;
 105    PTHREADINFO pti, ptiOld, ptiNew;
 106    BOOL InAAPM = FALSE;
 107
 108    //ERR("SendActivateMessages\n");
 109
 110    pti = PsGetCurrentThreadWin32Thread();
 111
 112    if (Window)
 113    {
 114       UserRefObjectCo(Window, &Ref);
 115
 116       if (WindowPrev) UserRefObjectCo(WindowPrev, &RefPrev);
 117
 118       /* Send palette messages */
 119       if (gpsi->PUSIFlags & PUSIF_PALETTEDISPLAY &&
 120           //co_IntPostOrSendMessage(UserHMGetHandle(Window), WM_QUERYNEWPALETTE, 0, 0))
 121           co_IntSendMessage(UserHMGetHandle(Window), WM_QUERYNEWPALETTE, 0, 0))
 122       {
 123          UserSendNotifyMessage( HWND_BROADCAST,
 124                                 WM_PALETTEISCHANGING,
 125                                (WPARAM)UserHMGetHandle(Window),
 126                                 0);
 127       }
 128       //// Fixes CORE-6434.
 129       if (!(Window->style & WS_CHILD))
 130       {
 131          PWND pwndTemp = co_GetDesktopWindow(Window)->spwndChild;
 132
 133          while (pwndTemp && !(pwndTemp->style & WS_VISIBLE)) pwndTemp = pwndTemp->spwndNext;
 134
 135          if (Window != pwndTemp || (WindowPrev && !IntIsWindowVisible(WindowPrev)))
 136          {
 137             if (!Async || pti->MessageQueue == gpqForeground)
 138             {
 139                UINT flags = SWP_NOSIZE | SWP_NOMOVE;
 140                if (Window == pwndTemp) flags |= SWP_NOACTIVATE;
 141                //ERR("co_IntSendActivateMessages SetWindowPos! Async %d pti Q == FGQ %d\n",Async,pti->MessageQueue == gpqForeground);
 142                co_WinPosSetWindowPos(Window, HWND_TOP, 0, 0, 0, 0, flags);
 143             }
 144          }
 145       }
 146       ////
 147       //// CORE-1161 and CORE-6651
 148       if (Window->spwndPrev)
 149       {
 150          HWND *phwndTopLevel, *phwndCurrent;
 151          PWND pwndCurrent, pwndDesktop;
 152
 153          pwndDesktop = co_GetDesktopWindow(Window);//UserGetDesktopWindow();
 154          if (Window->spwndParent == pwndDesktop )
 155          {
 156             phwndTopLevel = IntWinListChildren(pwndDesktop);
 157             phwndCurrent = phwndTopLevel;
 158             while(*phwndCurrent)
 159             {
 160                 pwndCurrent = UserGetWindowObject(*phwndCurrent);
 161
 162                 if (pwndCurrent && pwndCurrent->spwndOwner == Window )
 163                 {
 164                     co_WinPosSetWindowPos(pwndCurrent, HWND_TOP, 0, 0, 0, 0, SWP_NOSIZE|SWP_NOMOVE|SWP_NOACTIVATE);
 165                 }
 166                 phwndCurrent++;
 167             }
 168             ExFreePool(phwndTopLevel);
 169           }
 170       }
 171       ////
 172    }
 173
 174    OldTID = WindowPrev ? IntGetWndThreadId(WindowPrev) : NULL;
 175    NewTID = Window ? IntGetWndThreadId(Window) : NULL;
 176    ptiOld = WindowPrev ? WindowPrev->head.pti : NULL;
 177    ptiNew = Window ? Window->head.pti : NULL;
 178
 179    //ERR("SendActivateMessage Old -> %x, New -> %x\n", OldTID, NewTID);
 180
 181    if (!(pti->TIF_flags & TIF_INACTIVATEAPPMSG) &&
 182         (OldTID != NewTID) )
 183    {
 184       PWND cWindow;
 185       HWND *List, *phWnd;
 186
 187       List = IntWinListChildren(UserGetDesktopWindow());
 188       if ( List )
 189       {
 190          if ( OldTID )
 191          {
 192             ptiOld->TIF_flags |= TIF_INACTIVATEAPPMSG;
 193             // Note: Do not set pci flags, this does crash!
 194             for (phWnd = List; *phWnd; ++phWnd)
 195             {
 196                cWindow = ValidateHwndNoErr(*phWnd);
 197                if (cWindow && cWindow->head.pti == ptiOld)
 198                { // FALSE if the window is being deactivated,
 199                  // ThreadId that owns the window being activated.
 200                  //ERR("SendActivateMessage Old\n");
 201                  co_IntSendMessageNoWait(*phWnd, WM_ACTIVATEAPP, FALSE, (LPARAM)NewTID);
 202                }
 203             }
 204             ptiOld->TIF_flags &= ~TIF_INACTIVATEAPPMSG;
 205          }
 206          if ( NewTID )
 207          {  //// Prevents a resource crash due to reentrance!
 208             InAAPM = TRUE;
 209             pti->TIF_flags |= TIF_INACTIVATEAPPMSG;
 210             ////
 211             for (phWnd = List; *phWnd; ++phWnd)
 212             {
 213                cWindow = ValidateHwndNoErr(*phWnd);
 214                if (cWindow && cWindow->head.pti == ptiNew)
 215                { // TRUE if the window is being activated,
 216                  // ThreadId that owns the window being deactivated.
 217                  //ERR("SendActivateMessage New\n");
 218                  co_IntSendMessageNoWait(*phWnd, WM_ACTIVATEAPP, TRUE, (LPARAM)OldTID);
 219                }
 220             }
 221          }
 222          ExFreePoolWithTag(List, USERTAG_WINDOWLIST);
 223       }
 224    }
 225
 226    if (Window)
 227    {
 228       if (WindowPrev)
 229          UserDerefObjectCo(WindowPrev); // Now allow the previous window to die.
 230
 231       if (Window->state & WNDS_ACTIVEFRAME)
 232       {  // If already active frame do not allow NCPaint.
 233          //ERR("SendActivateMessage Is Active Frame!\n");
 234          Window->state |= WNDS_NONCPAINT;
 235       }
 236
 237       if (Window->style & WS_MINIMIZE)
 238       {
 239          TRACE("Widow was minimized\n");
 240       }
 241
 242       co_IntMakeWindowActive(Window);
 243
 244       co_IntSendMessageNoWait( UserHMGetHandle(Window),
 245                                WM_NCACTIVATE,
 246                               (WPARAM)(Window == (gpqForeground ? gpqForeground->spwndActive : NULL)),
 247                                0); //(LPARAM)hWndPrev);
 248
 249       co_IntSendMessage( UserHMGetHandle(Window),
 250                          WM_ACTIVATE,
 251                          MAKEWPARAM(MouseActivate ? WA_CLICKACTIVE : WA_ACTIVE, Window->style & WS_MINIMIZE),
 252                         (LPARAM)(WindowPrev ? UserHMGetHandle(WindowPrev) : 0));
 253
 254       if (Window->spwndParent == UserGetDesktopWindow() &&
 255           Window->spwndOwner == NULL &&
 256           (!(Window->ExStyle & WS_EX_TOOLWINDOW) ||
 257            (Window->ExStyle & WS_EX_APPWINDOW)))
 258       {
 259          // FIXME lParam; The value is TRUE if the window is in full-screen mode, or FALSE otherwise.
 260          co_IntShellHookNotify(HSHELL_WINDOWACTIVATED, (WPARAM) UserHMGetHandle(Window), FALSE);
 261       }
 262       else
 263       {
 264           co_IntShellHookNotify(HSHELL_WINDOWACTIVATED, 0, FALSE);
 265       }
 266
 267       Window->state &= ~WNDS_NONCPAINT;
 268
 269       UserDerefObjectCo(Window);
 270    }
 271    return InAAPM;
 272 }
 273
 274 VOID FASTCALL
 275 IntSendFocusMessages( PTHREADINFO pti, PWND pWnd)
 276 {
 277    PWND pWndPrev;
 278    PUSER_MESSAGE_QUEUE ThreadQueue = pti->MessageQueue; // Queue can change...
 279
 280    ThreadQueue->QF_flags &= ~QF_FOCUSNULLSINCEACTIVE;
 281    if (!pWnd && ThreadQueue->spwndActive)
 282    {
 283       ThreadQueue->QF_flags |= QF_FOCUSNULLSINCEACTIVE;
 284    }
 285
 286    pWndPrev = ThreadQueue->spwndFocus;
 287
 288    /* check if the specified window can be set in the input data of a given queue */
 289    if (!pWnd || ThreadQueue == pWnd->head.pti->MessageQueue)
 290       /* set the current thread focus window */
 291       ThreadQueue->spwndFocus = pWnd;
 292
 293    if (pWnd)
 294    {
 295       if (pWndPrev)
 296       {
 297          //co_IntPostOrSendMessage(UserHMGetHandle(pWndPrev), WM_KILLFOCUS, (WPARAM)UserHMGetHandle(pWnd), 0);
 298          co_IntSendMessage(UserHMGetHandle(pWndPrev), WM_KILLFOCUS, (WPARAM)UserHMGetHandle(pWnd), 0);
 299       }
 300       if (ThreadQueue->spwndFocus == pWnd)
 301       {
 302          IntNotifyWinEvent(EVENT_OBJECT_FOCUS, pWnd, OBJID_CLIENT, CHILDID_SELF, 0);
 303          //co_IntPostOrSendMessage(UserHMGetHandle(pWnd), WM_SETFOCUS, (WPARAM)(pWndPrev ? UserHMGetHandle(pWndPrev) : NULL), 0);
 304          co_IntSendMessage(UserHMGetHandle(pWnd), WM_SETFOCUS, (WPARAM)(pWndPrev ? UserHMGetHandle(pWndPrev) : NULL), 0);
 305       }
 306    }
 307    else
 308    {
 309       if (pWndPrev)
 310       {
 311          IntNotifyWinEvent(EVENT_OBJECT_FOCUS, NULL, OBJID_CLIENT, CHILDID_SELF, 0);
 312          //co_IntPostOrSendMessage(UserHMGetHandle(pWndPrev), WM_KILLFOCUS, 0, 0);
 313          co_IntSendMessage(UserHMGetHandle(pWndPrev), WM_KILLFOCUS, 0, 0);
 314       }
 315    }
 316 }
 317
 318 VOID FASTCALL
 319 FindRemoveAsyncMsg(PWND Wnd, WPARAM wParam)
 320 {
 321    PTHREADINFO pti;
 322    PUSER_SENT_MESSAGE Message;
 323    PLIST_ENTRY Entry;
 324
 325    if (!Wnd) return;
 326
 327    pti = Wnd->head.pti;
 328
 329    Entry = pti->SentMessagesListHead.Flink;
 330    while (Entry != &pti->SentMessagesListHead)
 331    {
 332       // Scan sent queue messages to see if we received async messages.
 333       Message = CONTAINING_RECORD(Entry, USER_SENT_MESSAGE, ListEntry);
 334       Entry = Entry->Flink;
 335
 336       if (Message->Msg.message == WM_ASYNC_SETACTIVEWINDOW &&
 337           Message->Msg.hwnd == UserHMGetHandle(Wnd) &&
 338           Message->Msg.wParam == wParam)
 339       {
 340          WARN("ASYNC SAW: Found one in the Sent Msg Queue! %p Activate/Deactivate %d\n", Message->Msg.hwnd, !!wParam);
 341          RemoveEntryList(&Message->ListEntry); // Purge the entry.
 342          ClearMsgBitsMask(pti, Message->QS_Flags);
 343          ExFreePoolWithTag(Message, TAG_USRMSG);
 344       }
 345    }
 346 }
 347
 348 BOOL FASTCALL
 349 ToggleFGActivate(PTHREADINFO pti)
 350 {
 351    BOOL Ret;
 352    PPROCESSINFO ppi = pti->ppi;
 353
 354    Ret = !!(pti->TIF_flags & TIF_ALLOWFOREGROUNDACTIVATE);
 355    if (Ret)
 356    {
 357       pti->TIF_flags &= ~TIF_ALLOWFOREGROUNDACTIVATE;
 358    }
 359    else
 360       Ret = !!(ppi->W32PF_flags & W32PF_ALLOWFOREGROUNDACTIVATE);
 361
 362    if (Ret)
 363       ppi->W32PF_flags &= ~W32PF_ALLOWFOREGROUNDACTIVATE;
 364    //ERR("ToggleFGActivate is %d\n",Ret);
 365    return Ret;
 366 }
 367
 368 BOOL FASTCALL
 369 IsAllowedFGActive(PTHREADINFO pti, PWND Wnd)
 370 {
 371    // Not allowed if one or more,,
 372    if (!ToggleFGActivate(pti) ||              // bits not set,
 373         pti->rpdesk != gpdeskInputDesktop ||  // not current Desktop,
 374         pti->MessageQueue == gpqForeground || // if already the queue foreground,
 375         IsFGLocked() ||                       // foreground is locked,
 376         Wnd->ExStyle & WS_EX_NOACTIVATE )     // or,,, does not become the foreground window when the user clicks it.
 377    {
 378       return FALSE;
 379    }
 380    //ERR("IsAllowedFGActive is TRUE\n");
 381    return TRUE;
 382 }
 383
 384 /*
 385    Can the system force foreground from one or more conditions.
 386  */
 387 BOOL FASTCALL
 388 CanForceFG(PPROCESSINFO ppi)
 389 {
 390    if (!ptiLastInput ||
 391         ptiLastInput->ppi == ppi ||
 392        !gptiForeground ||
 393         gptiForeground->ppi == ppi ||
 394         ppi->W32PF_flags & (W32PF_ALLOWFOREGROUNDACTIVATE | W32PF_SETFOREGROUNDALLOWED) ||
 395         gppiInputProvider == ppi ||
 396        !gpqForeground
 397       ) return TRUE;
 398    //ERR("CanForceFG is FALSE\n");
 399    return FALSE;
 400 }
 401
 402 /*
 403    MSDN:
 404    The system restricts which processes can set the foreground window. A process
 405    can set the foreground window only if one of the following conditions is true:
 406
 407     * The process is the foreground process.
 408     * The process was started by the foreground process.
 409     * The process received the last input event.
 410     * There is no foreground process.
 411     * The foreground process is being debugged.
 412     * The foreground is not locked (see LockSetForegroundWindow).
 413     * The foreground lock time-out has expired (see SPI_GETFOREGROUNDLOCKTIMEOUT in SystemParametersInfo).
 414     * No menus are active.
 415 */
 416 static
 417 BOOL FASTCALL
 418 co_IntSetForegroundAndFocusWindow(
 419     _In_opt_ PWND Wnd,
 420     _In_ BOOL MouseActivate)
 421 {
 422    HWND hWnd = Wnd ? UserHMGetHandle(Wnd) : NULL;
 423    HWND hWndPrev = NULL;
 424    PWND pWndPrev = NULL;
 425    PUSER_MESSAGE_QUEUE PrevForegroundQueue;
 426    PTHREADINFO pti;
 427    BOOL fgRet = FALSE, Ret = FALSE;
 428
 429    if (Wnd) ASSERT_REFS_CO(Wnd);
 430
 431    //ERR("SetForegroundAndFocusWindow(%x, %s)\n", hWnd, (MouseActivate ? "TRUE" : "FALSE"));
 432
 433    PrevForegroundQueue = IntGetFocusMessageQueue(); // Use this active desktop.
 434    pti = PsGetCurrentThreadWin32Thread();
 435
 436    if (PrevForegroundQueue)
 437    {  // Same Window Q as foreground just do active.
 438       if (Wnd && Wnd->head.pti->MessageQueue == PrevForegroundQueue)
 439       {
 440          //ERR("Same Window Q as foreground just do active.\n");
 441          if (pti->MessageQueue == PrevForegroundQueue)
 442          { // Same WQ and TQ go active.
 443             //ERR("Same WQ and TQ go active.\n");
 444             Ret = co_IntSetActiveWindow(Wnd, MouseActivate, TRUE, FALSE);
 445          }
 446          else if (Wnd->head.pti->MessageQueue->spwndActive == Wnd)
 447          { // Same WQ and it is active.
 448             //ERR("Same WQ and it is active.\n");
 449             Ret = TRUE;
 450          }
 451          else
 452          { // Same WQ as FG but not the same TQ send active.
 453             //ERR("Same WQ as FG but not the same TQ send active.\n");
 454             co_IntSendMessage(hWnd, WM_ASYNC_SETACTIVEWINDOW, (WPARAM)Wnd, (LPARAM)MouseActivate );
 455             Ret = TRUE;
 456          }
 457          return Ret;
 458       }
 459
 460       hWndPrev = PrevForegroundQueue->spwndActive ? UserHMGetHandle(PrevForegroundQueue->spwndActive) : 0;
 461       pWndPrev = PrevForegroundQueue->spwndActive;
 462    }
 463
 464    if ( (( !IsFGLocked() || pti->ppi == gppiInputProvider ) &&
 465          ( CanForceFG(pti->ppi) || pti->TIF_flags & (TIF_SYSTEMTHREAD|TIF_CSRSSTHREAD|TIF_ALLOWFOREGROUNDACTIVATE) )) ||
 466         pti->ppi == ppiScrnSaver
 467       )
 468    {
 469
 470       //ToggleFGActivate(pti); // win.c line 2662 fail
 471       if (Wnd)
 472       {
 473          IntSetFocusMessageQueue(Wnd->head.pti->MessageQueue);
 474          gptiForeground = Wnd->head.pti;
 475          //ERR("Set Foreground pti 0x%p Q 0x%p hWnd 0x%p\n",Wnd->head.pti, Wnd->head.pti->MessageQueue,Wnd->head.h);
 476       }
 477       else
 478       {
 479          IntSetFocusMessageQueue(NULL);
 480          gptiForeground = NULL;
 481          //ERR("Set Foreground pti 0x0 Q 0x0 hWnd 0x0\n");
 482       }
 483 /*
 484      Henri Verbeet,
 485      What happens is that we get the WM_WINE_SETACTIVEWINDOW message sent by the
 486      other thread after we already changed the foreground window back to our own
 487      window.
 488  */
 489       //ERR("SFAFW: 1\n");
 490       FindRemoveAsyncMsg(Wnd, 0); // Do this to fix test_SFW todos!
 491
 492       fgRet = TRUE;
 493    }
 494
 495    //  Fix FG Bounce with regedit.
 496    if (hWndPrev != hWnd )
 497    {
 498       if (PrevForegroundQueue &&
 499           fgRet &&
 500           PrevForegroundQueue->spwndActive)
 501       {
 502          //ERR("SFGW: Send NULL to 0x%x\n",hWndPrev);
 503          if (pti->MessageQueue == PrevForegroundQueue)
 504          {
 505             //ERR("SFGW: TI same as Prev TI\n");
 506             co_IntSetActiveWindow(NULL, FALSE, TRUE, FALSE);
 507          }
 508          else if (pWndPrev)
 509          {
 510             //ERR("SFGW Deactivate: TI not same as Prev TI\n");
 511             // No real reason to wait here.
 512             co_IntSendMessageNoWait(hWndPrev, WM_ASYNC_SETACTIVEWINDOW, 0, 0 );
 513          }
 514       }
 515    }
 516
 517    if (!Wnd) return FALSE; // Always return false.
 518
 519    if (pti->MessageQueue == Wnd->head.pti->MessageQueue)
 520    {
 521        //ERR("Same PQ and WQ go active.\n");
 522        Ret = co_IntSetActiveWindow(Wnd, MouseActivate, TRUE, FALSE);
 523    }
 524    else if (Wnd->head.pti->MessageQueue->spwndActive == Wnd)
 525    {
 526        //ERR("Same Active and Wnd.\n");
 527        Ret = TRUE;
 528    }
 529    else
 530    {
 531        //ERR("Activate Not same PQ and WQ and Wnd.\n");
 532        co_IntSendMessage(hWnd, WM_ASYNC_SETACTIVEWINDOW, (WPARAM)Wnd, (LPARAM)MouseActivate );
 533        Ret = TRUE;
 534    }
 535    return Ret && fgRet;
 536 }
 537
 538 BOOL FASTCALL
 539 co_IntSetActiveWindow(PWND Wnd OPTIONAL, BOOL bMouse, BOOL bFocus, BOOL Async)
 540 {
 541    PTHREADINFO pti;
 542    PUSER_MESSAGE_QUEUE ThreadQueue;
 543    PWND pWndChg, WndPrev; // State changes.
 544    HWND hWndPrev;
 545    HWND hWnd = 0;
 546    BOOL InAAPM;
 547    CBTACTIVATESTRUCT cbt;
 548    //ERR("co_IntSetActiveWindow 1\n");
 549    if (Wnd)
 550    {
 551       ASSERT_REFS_CO(Wnd);
 552       hWnd = UserHMGetHandle(Wnd);
 553       if ((Wnd->style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
 554       if (Wnd == UserGetDesktopWindow()) return FALSE;
 555       //ERR("co_IntSetActiveWindow 1a hWnd 0x%p\n",hWnd);
 556    }
 557
 558    //ERR("co_IntSetActiveWindow 2\n");
 559    pti = PsGetCurrentThreadWin32Thread();
 560    ThreadQueue = pti->MessageQueue;
 561    ASSERT(ThreadQueue != 0);
 562
 563    hWndPrev = ThreadQueue->spwndActive ? UserHMGetHandle(ThreadQueue->spwndActive) : NULL;
 564
 565    pWndChg = ThreadQueue->spwndActive; // Keep to notify of a preemptive switch.
 566
 567    while (Wnd)
 568    {
 569       BOOL Ret, DoFG, AllowFG;
 570
 571       if (Wnd->state & WNDS_BEINGACTIVATED) return TRUE;
 572
 573       if (ThreadQueue == Wnd->head.pti->MessageQueue)
 574       {
 575          if (IsAllowedFGActive(pti, Wnd))
 576          {
 577              DoFG = TRUE;
 578          }
 579          else
 580          {
 581              //ERR("co_IntSetActiveWindow 3 Go Out!\n");
 582              break;
 583          }
 584          AllowFG = !pti->cVisWindows; // Nothing is visable.
 585          //ERR("co_IntSetActiveWindow 3a DoFG = %d AllowFG = %d\n",DoFG,AllowFG);
 586       }
 587       else //if (ThreadQueue != Wnd->head.pti->MessageQueue)
 588       {
 589          //PUSER_MESSAGE_QUEUE ForegroundQueue = IntGetFocusMessageQueue();
 590          // Rule 1 & 4, We are foreground so set this FG window or NULL foreground....
 591          //if (!ForegroundQueue || ForegroundQueue == ThreadQueue)
 592          if (!gpqForeground || gpqForeground == ThreadQueue)
 593          {
 594             DoFG = TRUE;
 595          }
 596          else
 597             DoFG = FALSE;
 598          if (DoFG)
 599          {
 600             if (pti->TIF_flags & TIF_ALLOWFOREGROUNDACTIVATE || pti->cVisWindows)
 601                AllowFG = TRUE;
 602             else
 603                AllowFG = FALSE;
 604          }
 605          else
 606             AllowFG = FALSE;
 607          //ERR("co_IntSetActiveWindow 3b DoFG = %d AllowFG = %d\n",DoFG,AllowFG);
 608       }
 609       Ret = FALSE;
 610       if (DoFG)
 611       {
 612          pti->TIF_flags |= TIF_ALLOWFOREGROUNDACTIVATE;
 613          //ERR("co_IntSetActiveWindow 3c FG set\n");
 614          Ret = co_IntSetForegroundAndFocusWindow(Wnd, bMouse);
 615          if (AllowFG)
 616          {
 617             pti->TIF_flags |= TIF_ALLOWFOREGROUNDACTIVATE;
 618          }
 619          else
 620          {
 621             pti->TIF_flags &= ~TIF_ALLOWFOREGROUNDACTIVATE;
 622          }
 623       }
 624       return Ret;
 625    }
 626
 627    /* Call CBT hook chain */
 628    cbt.fMouse     = bMouse;
 629    cbt.hWndActive = hWndPrev;
 630    if (co_HOOK_CallHooks( WH_CBT, HCBT_ACTIVATE, (WPARAM)hWnd, (LPARAM)&cbt))
 631    {
 632       ERR("SetActiveWindow: WH_CBT Call Hook return!\n");
 633       return FALSE;
 634    }
 635
 636    if ( ThreadQueue->spwndActive && ThreadQueue->spwndActive->state & WNDS_DESTROYED )
 637       ThreadQueue->spwndActive = NULL;
 638    else
 639       ThreadQueue->spwndActivePrev = ThreadQueue->spwndActive;
 640
 641    WndPrev = ThreadQueue->spwndActive; // Keep to save changing active.
 642
 643    if (WndPrev)
 644    {
 645       if (ThreadQueue == gpqForeground) gpqForegroundPrev = ThreadQueue;
 646       if (!co_IntSendDeactivateMessages(UserHMGetHandle(WndPrev), hWnd)) return FALSE;
 647    }
 648
 649    WndPrev = ThreadQueue->spwndActive; // Again keep to save changing active.
 650
 651    // While in calling message proc or hook:
 652    // Fail if a preemptive switch was made, current active not made previous,
 653    // focus window is dead or no longer the same thread queue.
 654    if ( ThreadQueue->spwndActivePrev != ThreadQueue->spwndActive ||
 655         pWndChg != WndPrev ||
 656         (Wnd && !VerifyWnd(Wnd)) ||
 657         ThreadQueue != pti->MessageQueue )
 658    {
 659       ERR("SetActiveWindow: Summary ERROR, active state changed!\n");
 660       return FALSE;
 661    }
 662
 663    if (!WndPrev) ThreadQueue->QF_flags &= ~QF_FOCUSNULLSINCEACTIVE;
 664
 665    if (Wnd) Wnd->state |= WNDS_BEINGACTIVATED;
 666
 667    IntNotifyWinEvent(EVENT_SYSTEM_FOREGROUND, Wnd, OBJID_WINDOW, CHILDID_SELF, WEF_SETBYWNDPTI);
 668    //// Breaks Atl-Esc/Tab via User32.
 669    ////FindRemoveAsyncMsg(Wnd,(WPARAM)Wnd); // Clear out activate ASYNC messages.
 670
 671    /* check if the specified window can be set in the input data of a given queue */
 672    if ( !Wnd || ThreadQueue == Wnd->head.pti->MessageQueue)
 673    {
 674       /* set the current thread active window */
 675       ThreadQueue->spwndActive = Wnd;
 676    }
 677
 678    WndPrev = VerifyWnd(ThreadQueue->spwndActivePrev); // Now should be set but verify it again.
 679
 680    InAAPM = co_IntSendActivateMessages(WndPrev, Wnd, bMouse, Async);
 681
 682    /* now change focus if necessary */
 683    //// Fixes CORE-6452 allows setting focus on window.
 684    if (bFocus && !(ThreadQueue->QF_flags & QF_FOCUSNULLSINCEACTIVE))
 685    {
 686       /* Do not change focus if the window is no longer active */
 687       if (pti->MessageQueue->spwndActive != IntGetNonChildAncestor(pti->MessageQueue->spwndFocus))
 688       {
 689          PWND pWndSend = pti->MessageQueue->spwndActive;
 690          // Clear focus if the active window is minimized.
 691          if (pWndSend && pti->MessageQueue->spwndActive->style & WS_MINIMIZE) pWndSend = NULL;
 692          // Send focus messages and if so, set the focus.
 693          IntSendFocusMessages( pti, pWndSend);
 694       }
 695    }
 696    ////
 697    if (InAAPM)
 698    {
 699       pti->TIF_flags &= ~TIF_INACTIVATEAPPMSG;
 700    }
 701
 702    // FIXME: Used in the menu loop!!!
 703    //ThreadQueue->QF_flags |= QF_ACTIVATIONCHANGE;
 704
 705    //ERR("co_IntSetActiveWindow Exit\n");
 706    if (Wnd) Wnd->state &= ~WNDS_BEINGACTIVATED;
 707    return (ThreadQueue->spwndActive == Wnd);
 708 }
 709
 710 BOOL FASTCALL
 711 co_IntMouseActivateWindow(PWND Wnd)
 712 {
 713    TRACE("Mouse Active\n");
 714    return co_IntSetForegroundAndFocusWindow(Wnd, TRUE);
 715 }
 716
 717 BOOL FASTCALL
 718 UserSetActiveWindow(PWND Wnd)
 719 {
 720   PTHREADINFO pti = PsGetCurrentThreadWin32Thread();
 721
 722   if (Wnd) // Must have a window!
 723   {
 724      if ((Wnd->style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
 725
 726      return co_IntSetActiveWindow(Wnd, FALSE, TRUE, FALSE);
 727   }
 728   /*
 729      Yes your eye are not deceiving you~!
 730
 731      First part of wines Win.c test_SetActiveWindow:
 732
 733      flush_events( TRUE );
 734      ShowWindow(hwnd, SW_HIDE);
 735      SetFocus(0);
 736      SetActiveWindow(0);
 737      check_wnd_state(0, 0, 0, 0); <-- This should pass if ShowWindow does it's job!!! As of 10/28/2012 it does!
 738
 739      Now Handle wines Msg.c test_SetActiveWindow( 0 )...
 740   */
 741   TRACE("USAW: Previous active window\n");
 742   if (  gpqForegroundPrev &&
 743         gpqForegroundPrev->spwndActivePrev &&
 744        (gpqForegroundPrev->spwndActivePrev->style & (WS_VISIBLE|WS_DISABLED)) == WS_VISIBLE  &&
 745       !(gpqForegroundPrev->spwndActivePrev->state2 & WNDS2_BOTTOMMOST) &&
 746        (Wnd = VerifyWnd(gpqForegroundPrev->spwndActivePrev)) != NULL )
 747   {
 748      TRACE("USAW:PAW hwnd %p\n",Wnd?Wnd->head.h:NULL);
 749      return co_IntSetActiveWindow(Wnd, FALSE, TRUE, FALSE);
 750   }
 751
 752   // Activate anyone but the active window.
 753   if ( pti->MessageQueue->spwndActive &&
 754       (Wnd = VerifyWnd(pti->MessageQueue->spwndActive)) != NULL )
 755   {
 756       ERR("USAW:AOWM hwnd %p\n",Wnd?Wnd->head.h:NULL);
 757       if (!ActivateOtherWindowMin(Wnd))
 758       {
 759          // Okay, now go find someone else to play with!
 760          ERR("USAW: Going to WPAOW\n");
 761          co_WinPosActivateOtherWindow(Wnd);
 762       }
 763       return TRUE;
 764   }
 765
 766   TRACE("USAW: Nothing\n");
 767   return FALSE;
 768 }
 769
 770 HWND FASTCALL
 771 co_UserSetFocus(PWND Window)
 772 {
 773    HWND hWndPrev = 0;
 774    PWND pwndTop;
 775    PTHREADINFO pti;
 776    PUSER_MESSAGE_QUEUE ThreadQueue;
 777
 778    if (Window)
 779       ASSERT_REFS_CO(Window);
 780
 781    pti = PsGetCurrentThreadWin32Thread();
 782    ThreadQueue = pti->MessageQueue;
 783    ASSERT(ThreadQueue != 0);
 784
 785    TRACE("Enter SetFocus hWnd 0x%p pti 0x%p\n",Window ? UserHMGetHandle(Window) : 0, pti );
 786
 787    hWndPrev = ThreadQueue->spwndFocus ? UserHMGetHandle(ThreadQueue->spwndFocus) : 0;
 788
 789    if (Window != 0)
 790    {
 791       if (hWndPrev == UserHMGetHandle(Window))
 792       {
 793          return hWndPrev ? (IntIsWindow(hWndPrev) ? hWndPrev : 0) : 0; /* Nothing to do */
 794       }
 795
 796       if (Window->head.pti->MessageQueue != ThreadQueue)
 797       {
 798          ERR("SetFocus Must have the same Q!\n");
 799          return 0;
 800       }
 801
 802       /* Check if we can set the focus to this window */
 803       //// Fixes wine win test_SetParent both "todo" line 3710 and 3720...
 804       for (pwndTop = Window; pwndTop; pwndTop = pwndTop->spwndParent)
 805       {
 806          if (pwndTop->style & (WS_MINIMIZED|WS_DISABLED)) return 0;
 807          if ((pwndTop->style & (WS_POPUP|WS_CHILD)) != WS_CHILD) break;
 808          if (pwndTop->spwndParent == NULL) break;
 809       }
 810       ////
 811       if (co_HOOK_CallHooks( WH_CBT, HCBT_SETFOCUS, (WPARAM)Window->head.h, (LPARAM)hWndPrev))
 812       {
 813          ERR("SetFocus 1 WH_CBT Call Hook return!\n");
 814          return 0;
 815       }
 816
 817       /* Activate pwndTop if needed. */
 818       if (pwndTop != ThreadQueue->spwndActive)
 819       {
 820          PUSER_MESSAGE_QUEUE ForegroundQueue = IntGetFocusMessageQueue(); // Keep it based on desktop.
 821          if (ThreadQueue != ForegroundQueue && IsAllowedFGActive(pti, pwndTop)) // Rule 2 & 3.
 822          {
 823             //ERR("SetFocus: Set Foreground!\n");
 824             if (!(pwndTop->style & WS_VISIBLE))
 825             {
 826                 pti->ppi->W32PF_flags |= W32PF_ALLOWFOREGROUNDACTIVATE;
 827             }
 828             if (!co_IntSetForegroundAndFocusWindow(pwndTop, FALSE))
 829             {
 830                ERR("SetFocus: Set Foreground and Focus Failed!\n");
 831                return 0;
 832             }
 833          }
 834
 835          /* Set Active when it is needed. */
 836          if (pwndTop != ThreadQueue->spwndActive)
 837          {
 838             //ERR("SetFocus: Set Active!\n");
 839             if (!co_IntSetActiveWindow(pwndTop, FALSE, FALSE, FALSE))
 840             {
 841                ERR("SetFocus: Set Active Failed!\n");
 842                return 0;
 843             }
 844          }
 845
 846          /* Abort if window destroyed */
 847          if (Window->state2 & WNDS2_INDESTROY) return 0;
 848          /* Do not change focus if the window is no longer active */
 849          if (pwndTop != ThreadQueue->spwndActive)
 850          {
 851             ERR("SetFocus: Top window did not go active!\n");
 852             return 0;
 853          }
 854       }
 855
 856       // Check again! SetActiveWindow could have set the focus via WM_ACTIVATE.
 857       hWndPrev = ThreadQueue->spwndFocus ? UserHMGetHandle(ThreadQueue->spwndFocus) : 0;
 858
 859       IntSendFocusMessages( pti, Window);
 860
 861       TRACE("Focus: %p -> %p\n", hWndPrev, Window->head.h);
 862    }
 863    else /* NULL hwnd passed in */
 864    {
 865       if (co_HOOK_CallHooks( WH_CBT, HCBT_SETFOCUS, (WPARAM)0, (LPARAM)hWndPrev))
 866       {
 867          ERR("SetFocus: 2 WH_CBT Call Hook return!\n");
 868          return 0;
 869       }
 870
 871       /* set the current thread focus window null */
 872       IntSendFocusMessages( pti, NULL);
 873    }
 874    return hWndPrev ? (IntIsWindow(hWndPrev) ? hWndPrev : 0) : 0;
 875 }
 876
 877 HWND FASTCALL
 878 UserGetForegroundWindow(VOID)
 879 {
 880    PUSER_MESSAGE_QUEUE ForegroundQueue;
 881
 882    ForegroundQueue = IntGetFocusMessageQueue();
 883    return( ForegroundQueue ? (ForegroundQueue->spwndActive ? UserHMGetHandle(ForegroundQueue->spwndActive) : 0) : 0);
 884 }
 885
 886 HWND FASTCALL UserGetActiveWindow(VOID)
 887 {
 888    PTHREADINFO pti;
 889    PUSER_MESSAGE_QUEUE ThreadQueue;
 890
 891    pti = PsGetCurrentThreadWin32Thread();
 892    ThreadQueue = pti->MessageQueue;
 893    return( ThreadQueue ? (ThreadQueue->spwndActive ? UserHMGetHandle(ThreadQueue->spwndActive) : 0) : 0);
 894 }
 895
 896 HWND APIENTRY
 897 IntGetCapture(VOID)
 898 {
 899    PTHREADINFO pti;
 900    PUSER_MESSAGE_QUEUE ThreadQueue;
 901    DECLARE_RETURN(HWND);
 902
 903    TRACE("Enter IntGetCapture\n");
 904
 905    pti = PsGetCurrentThreadWin32Thread();
 906    ThreadQueue = pti->MessageQueue;
 907    RETURN( ThreadQueue ? (ThreadQueue->spwndCapture ? UserHMGetHandle(ThreadQueue->spwndCapture) : 0) : 0);
 908
 909 CLEANUP:
 910    TRACE("Leave IntGetCapture, ret=%p\n", _ret_);
 911    END_CLEANUP;
 912 }
 913
 914 HWND FASTCALL
 915 co_UserSetCapture(HWND hWnd)
 916 {
 917    PTHREADINFO pti;
 918    PUSER_MESSAGE_QUEUE ThreadQueue;
 919    PWND pWnd, Window = NULL;
 920    HWND hWndPrev;
 921
 922    pti = PsGetCurrentThreadWin32Thread();
 923    ThreadQueue = pti->MessageQueue;
 924
 925    if (ThreadQueue->QF_flags & QF_CAPTURELOCKED)
 926       return NULL;
 927
 928    if (hWnd && (Window = UserGetWindowObject(hWnd)))
 929    {
 930       if (Window->head.pti->MessageQueue != ThreadQueue)
 931       {
 932          ERR("Window Thread dos not match Current!\n");
 933          return NULL;
 934       }
 935    }
 936
 937    hWndPrev = MsqSetStateWindow(pti, MSQ_STATE_CAPTURE, hWnd);
 938
 939    if (hWndPrev)
 940    {
 941       pWnd = UserGetWindowObject(hWndPrev);
 942       if (pWnd)
 943          IntNotifyWinEvent(EVENT_SYSTEM_CAPTUREEND, pWnd, OBJID_WINDOW, CHILDID_SELF, WEF_SETBYWNDPTI);
 944    }
 945
 946    if (Window)
 947       IntNotifyWinEvent(EVENT_SYSTEM_CAPTURESTART, Window, OBJID_WINDOW, CHILDID_SELF, WEF_SETBYWNDPTI);
 948
 949    if (hWndPrev && hWndPrev != hWnd)
 950    {
 951       if (ThreadQueue->MenuOwner && Window) ThreadQueue->QF_flags |= QF_CAPTURELOCKED;
 952
 953       co_IntSendMessage(hWndPrev, WM_CAPTURECHANGED, 0, (LPARAM)hWnd);
 954
 955       ThreadQueue->QF_flags &= ~QF_CAPTURELOCKED;
 956    }
 957
 958    if (hWnd == NULL) // Release mode.
 959    {
 960       MOUSEINPUT mi;
 961    /// These are HACKS!
 962       /* Also remove other windows if not capturing anymore */
 963       MsqSetStateWindow(pti, MSQ_STATE_MENUOWNER, NULL);
 964       MsqSetStateWindow(pti, MSQ_STATE_MOVESIZE, NULL);
 965    ///
 966       /* Somebody may have missed some mouse movements */
 967       mi.dx = 0;
 968       mi.dy = 0;
 969       mi.mouseData = 0;
 970       mi.dwFlags = MOUSEEVENTF_MOVE;
 971       mi.time = 0;
 972       mi.dwExtraInfo = 0;
 973       UserSendMouseInput(&mi, FALSE);
 974    }
 975    return hWndPrev;
 976 }
 977
 978 /*
 979   API Call
 980 */
 981 BOOL
 982 FASTCALL
 983 IntReleaseCapture(VOID)
 984 {
 985    PTHREADINFO pti;
 986    PUSER_MESSAGE_QUEUE ThreadQueue;
 987
 988    pti = PsGetCurrentThreadWin32Thread();
 989    ThreadQueue = pti->MessageQueue;
 990
 991    // Can not release inside WM_CAPTURECHANGED!!
 992    if (ThreadQueue->QF_flags & QF_CAPTURELOCKED) return FALSE;
 993
 994    co_UserSetCapture(NULL);
 995
 996    return TRUE;
 997 }
 998
 999 /*
1000   API Call
1001 */
1002 BOOL FASTCALL
1003 co_IntSetForegroundWindow(PWND Window)
1004 {
1005    if (Window) ASSERT_REFS_CO(Window);
1006
1007    return co_IntSetForegroundAndFocusWindow(Window, FALSE);
1008 }
1009
1010 /*
1011   API Call
1012 */
1013 BOOL FASTCALL
1014 co_IntSetForegroundWindowMouse(PWND Window)
1015 {
1016    if (Window) ASSERT_REFS_CO(Window);
1017
1018    return co_IntSetForegroundAndFocusWindow(Window, TRUE);
1019 }
1020
1021 /*
1022   API Call
1023 */
1024 BOOL FASTCALL
1025 IntLockSetForegroundWindow(UINT uLockCode)
1026 {
1027    ULONG Err = ERROR_ACCESS_DENIED;
1028    PPROCESSINFO ppi = PsGetCurrentProcessWin32Process();
1029    switch (uLockCode)
1030    {
1031       case LSFW_LOCK:
1032          if ( CanForceFG(ppi) && !gppiLockSFW )
1033          {
1034             gppiLockSFW = ppi;
1035             return TRUE;
1036          }
1037          break;
1038       case LSFW_UNLOCK:
1039          if ( gppiLockSFW == ppi)
1040          {
1041             gppiLockSFW = NULL;
1042             return TRUE;
1043          }
1044          break;
1045       default:
1046          Err = ERROR_INVALID_PARAMETER;
1047    }
1048    EngSetLastError(Err);
1049    return FALSE;
1050 }
1051
1052 /*
1053   API Call
1054 */
1055 BOOL FASTCALL
1056 IntAllowSetForegroundWindow(DWORD dwProcessId)
1057 {
1058    PPROCESSINFO ppi, ppiCur;
1059    PEPROCESS Process = NULL;
1060
1061    ppi = NULL;
1062    if (dwProcessId != ASFW_ANY)
1063    {
1064       if (!NT_SUCCESS(PsLookupProcessByProcessId((HANDLE)dwProcessId, &Process)))
1065       {
1066          EngSetLastError(ERROR_INVALID_PARAMETER);
1067          return FALSE;
1068       }
1069       ppi = PsGetProcessWin32Process(Process);
1070       if (!ppi)
1071       {
1072          ObDereferenceObject(Process);
1073          return FALSE;
1074       }
1075    }
1076    ppiCur = PsGetCurrentProcessWin32Process();
1077    if (!CanForceFG(ppiCur))
1078    {
1079       if (Process) ObDereferenceObject(Process);
1080       EngSetLastError(ERROR_ACCESS_DENIED);
1081       return FALSE;
1082    }
1083    if (dwProcessId == ASFW_ANY)
1084    {  // All processes will be enabled to set the foreground window.
1085       //ERR("ptiLastInput is CLEARED!!\n");
1086       ptiLastInput = NULL;
1087    }
1088    else
1089    {  // Rule #3, last input event in force.
1090       ERR("ptiLastInput is SET!!\n");
1091       //ptiLastInput = ppi->ptiList; // See CORE-6384 & CORE-7030.
1092       ObDereferenceObject(Process);
1093    }
1094    return TRUE;
1095 }
1096
1097 /*
1098  * @implemented
1099  */
1100 HWND APIENTRY
1101 NtUserGetForegroundWindow(VOID)
1102 {
1103    DECLARE_RETURN(HWND);
1104
1105    TRACE("Enter NtUserGetForegroundWindow\n");
1106    UserEnterExclusive();
1107
1108    RETURN( UserGetForegroundWindow());
1109
1110 CLEANUP:
1111    TRACE("Leave NtUserGetForegroundWindow, ret=%p\n",_ret_);
1112    UserLeave();
1113    END_CLEANUP;
1114 }
1115
1116 HWND APIENTRY
1117 NtUserSetActiveWindow(HWND hWnd)
1118 {
1119    USER_REFERENCE_ENTRY Ref;
1120    HWND hWndPrev;
1121    PWND Window;
1122    DECLARE_RETURN(HWND);
1123
1124    TRACE("Enter NtUserSetActiveWindow(%p)\n", hWnd);
1125    UserEnterExclusive();
1126
1127    Window = NULL;
1128    if (hWnd)
1129    {
1130       if (!(Window = UserGetWindowObject(hWnd)))
1131       {
1132          ERR("NtUserSetActiveWindow: Invalid handle 0x%p!\n",hWnd);
1133          RETURN( NULL);
1134       }
1135    }
1136
1137    if (!Window ||
1138         Window->head.pti->MessageQueue == gptiCurrent->MessageQueue)
1139    {
1140       hWndPrev = gptiCurrent->MessageQueue->spwndActive ? UserHMGetHandle(gptiCurrent->MessageQueue->spwndActive) : NULL;
1141       if (Window) UserRefObjectCo(Window, &Ref);
1142       UserSetActiveWindow(Window);
1143       if (Window) UserDerefObjectCo(Window);
1144       RETURN( hWndPrev ? (IntIsWindow(hWndPrev) ? hWndPrev : 0) : 0 );
1145    }
1146    RETURN( NULL);
1147
1148 CLEANUP:
1149    TRACE("Leave NtUserSetActiveWindow, ret=%p\n",_ret_);
1150    UserLeave();
1151    END_CLEANUP;
1152 }
1153
1154 /*
1155  * @implemented
1156  */
1157 HWND APIENTRY
1158 NtUserSetCapture(HWND hWnd)
1159 {
1160    DECLARE_RETURN(HWND);
1161
1162    TRACE("Enter NtUserSetCapture(%p)\n", hWnd);
1163    UserEnterExclusive();
1164
1165    RETURN( co_UserSetCapture(hWnd));
1166
1167 CLEANUP:
1168    TRACE("Leave NtUserSetCapture, ret=%p\n", _ret_);
1169    UserLeave();
1170    END_CLEANUP;
1171 }
1172
1173 /*
1174  * @implemented
1175  */
1176 HWND APIENTRY
1177 NtUserSetFocus(HWND hWnd)
1178 {
1179    PWND Window;
1180    USER_REFERENCE_ENTRY Ref;
1181    DECLARE_RETURN(HWND);
1182    HWND ret;
1183
1184    TRACE("Enter NtUserSetFocus(%p)\n", hWnd);
1185    UserEnterExclusive();
1186
1187    if (hWnd)
1188    {
1189       if (!(Window = UserGetWindowObject(hWnd)))
1190       {
1191          ERR("NtUserSetFocus: Invalid handle 0x%p!\n",hWnd);
1192          RETURN(NULL);
1193       }
1194
1195       UserRefObjectCo(Window, &Ref);
1196       ret = co_UserSetFocus(Window);
1197       UserDerefObjectCo(Window);
1198
1199       RETURN(ret);
1200    }
1201    else
1202    {
1203       RETURN( co_UserSetFocus(0));
1204    }
1205
1206 CLEANUP:
1207    TRACE("Leave NtUserSetFocus, ret=%p\n",_ret_);
1208    UserLeave();
1209    END_CLEANUP;
1210 }
1211
1212 /* EOF */