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 HWND FASTCALL
  29 IntGetCaptureWindow(VOID)
  30 {
  31    PUSER_MESSAGE_QUEUE ForegroundQueue = IntGetFocusMessageQueue();
  32    return ( ForegroundQueue ? (ForegroundQueue->spwndCapture ? UserHMGetHandle(ForegroundQueue->spwndCapture) : 0) : 0);
  33 }
  34
  35 HWND FASTCALL
  36 IntGetThreadFocusWindow(VOID)
  37 {
  38    PTHREADINFO pti;
  39    PUSER_MESSAGE_QUEUE ThreadQueue;
  40
  41    pti = PsGetCurrentThreadWin32Thread();
  42    ThreadQueue = pti->MessageQueue;
  43    if (!ThreadQueue)
  44      return NULL;
  45    return ThreadQueue->spwndFocus ? UserHMGetHandle(ThreadQueue->spwndFocus) : 0;
  46 }
  47
  48 BOOL FASTCALL
  49 co_IntSendDeactivateMessages(HWND hWndPrev, HWND hWnd)
  50 {
  51    USER_REFERENCE_ENTRY RefPrev;
  52    PWND WndPrev;
  53    BOOL Ret = TRUE;
  54
  55    if (hWndPrev && (WndPrev = ValidateHwndNoErr(hWndPrev)))
  56    {
  57       UserRefObjectCo(WndPrev, &RefPrev);
  58
  59       if (co_IntSendMessageNoWait(hWndPrev, WM_NCACTIVATE, FALSE, 0)) //(LPARAM)hWnd))
  60       {
  61          co_IntSendMessageNoWait(hWndPrev, WM_ACTIVATE,
  62                     MAKEWPARAM(WA_INACTIVE, WndPrev->style & WS_MINIMIZE),
  63                     (LPARAM)hWnd);
  64
  65          if (WndPrev)
  66             WndPrev->state &= ~WNDS_ACTIVEFRAME;
  67       }
  68       else
  69       {
  70          ERR("Application is keeping itself Active to prevent the change!\n");
  71          Ret = FALSE;
  72       }
  73
  74       UserDerefObjectCo(WndPrev);
  75    }
  76    return Ret;
  77 }
  78
  79 BOOL FASTCALL
  80 co_IntMakeWindowActive(PWND Window)
  81 {
  82   PWND spwndOwner;
  83   if (VerifyWnd(Window))
  84   {  // Set last active for window and it's owner.
  85      spwndOwner = Window;
  86      while (spwndOwner->spwndOwner)
  87      {
  88        spwndOwner = spwndOwner->spwndOwner;
  89      }
  90      spwndOwner->spwndLastActive = Window;
  91      return TRUE;
  92    }
  93    ERR("MakeWindowActive Failed!\n");
  94    return FALSE;
  95 }
  96
  97 BOOL FASTCALL
  98 co_IntSendActivateMessages(PWND WindowPrev, PWND Window, BOOL MouseActivate, BOOL Async)
  99 {
 100    USER_REFERENCE_ENTRY Ref, RefPrev;
 101    HANDLE OldTID, NewTID;
 102    PTHREADINFO pti, ptiOld, ptiNew;
 103    BOOL InAAPM = FALSE;
 104
 105    //ERR("SendActivateMessages\n");
 106
 107    pti = PsGetCurrentThreadWin32Thread();
 108
 109    if (Window)
 110    {
 111       UserRefObjectCo(Window, &Ref);
 112
 113       if (WindowPrev) UserRefObjectCo(WindowPrev, &RefPrev);
 114
 115       /* Send palette messages */
 116       if (gpsi->PUSIFlags & PUSIF_PALETTEDISPLAY &&
 117           //co_IntPostOrSendMessage(UserHMGetHandle(Window), WM_QUERYNEWPALETTE, 0, 0))
 118           co_IntSendMessage(UserHMGetHandle(Window), WM_QUERYNEWPALETTE, 0, 0))
 119       {
 120          UserSendNotifyMessage( HWND_BROADCAST,
 121                                 WM_PALETTEISCHANGING,
 122                                (WPARAM)UserHMGetHandle(Window),
 123                                 0);
 124       }
 125       //// Fixes CORE-6434.
 126       if (!(Window->style & WS_CHILD))
 127       {
 128          PWND pwndTemp = co_GetDesktopWindow(Window)->spwndChild;
 129
 130          while (pwndTemp && !(pwndTemp->style & WS_VISIBLE)) pwndTemp = pwndTemp->spwndNext;
 131
 132          if (Window != pwndTemp || (WindowPrev && !IntIsWindowVisible(WindowPrev)))
 133          {
 134             if (!Async || pti->MessageQueue == gpqForeground)
 135             {
 136                UINT flags = SWP_NOSIZE | SWP_NOMOVE;
 137                if (Window == pwndTemp) flags |= SWP_NOACTIVATE;
 138                //ERR("co_IntSendActivateMessages SetWindowPos! Async %d pti Q == FGQ %d\n",Async,pti->MessageQueue == gpqForeground);
 139                co_WinPosSetWindowPos(Window, HWND_TOP, 0, 0, 0, 0, flags);
 140             }
 141          }
 142       }
 143       ////
 144       //// CORE-1161 and CORE-6651
 145       if (Window->spwndPrev)
 146       {
 147          HWND *phwndTopLevel, *phwndCurrent;
 148          PWND pwndCurrent, pwndDesktop;
 149
 150          pwndDesktop = UserGetDesktopWindow();
 151          if (Window->spwndParent == pwndDesktop )
 152          {
 153             phwndTopLevel = IntWinListChildren(pwndDesktop);
 154             phwndCurrent = phwndTopLevel;
 155             while(*phwndCurrent)
 156             {
 157                 pwndCurrent = UserGetWindowObject(*phwndCurrent);
 158
 159                 if (pwndCurrent && pwndCurrent->spwndOwner == Window )
 160                 {
 161                     co_WinPosSetWindowPos(pwndCurrent, HWND_TOP, 0, 0, 0, 0, SWP_NOSIZE|SWP_NOMOVE|SWP_NOACTIVATE);
 162                 }
 163                 phwndCurrent++;
 164             }
 165             ExFreePool(phwndTopLevel);
 166           }
 167       }
 168    }
 169    ////
 170    OldTID = WindowPrev ? IntGetWndThreadId(WindowPrev) : NULL;
 171    NewTID = Window ? IntGetWndThreadId(Window) : NULL;
 172    ptiOld = WindowPrev ? WindowPrev->head.pti : NULL;
 173    ptiNew = Window ? Window->head.pti : NULL;
 174
 175    //ERR("SendActivateMessage Old -> %x, New -> %x\n", OldTID, NewTID);
 176
 177    if (!(pti->TIF_flags & TIF_INACTIVATEAPPMSG) &&
 178         (!WindowPrev || OldTID != NewTID) )
 179    {
 180       PWND cWindow;
 181       HWND *List, *phWnd;
 182
 183       List = IntWinListChildren(UserGetDesktopWindow());
 184       if ( List )
 185       {
 186          if ( OldTID )
 187          {
 188             ptiOld->TIF_flags |= TIF_INACTIVATEAPPMSG;
 189             // Note: Do not set pci flags, this does crash!
 190             for (phWnd = List; *phWnd; ++phWnd)
 191             {
 192                cWindow = ValidateHwndNoErr(*phWnd);
 193                if (cWindow && cWindow->head.pti == ptiOld)
 194                { // FALSE if the window is being deactivated,
 195                  // ThreadId that owns the window being activated.
 196                  //ERR("SendActivateMessage Old\n");
 197                  co_IntSendMessageNoWait(*phWnd, WM_ACTIVATEAPP, FALSE, (LPARAM)NewTID);
 198                }
 199             }
 200             ptiOld->TIF_flags &= ~TIF_INACTIVATEAPPMSG;
 201          }
 202          if ( NewTID )
 203          {  //// Prevents a resource crash due to reentrance!
 204             InAAPM = TRUE;
 205             pti->TIF_flags |= TIF_INACTIVATEAPPMSG;
 206             ////
 207             for (phWnd = List; *phWnd; ++phWnd)
 208             {
 209                cWindow = ValidateHwndNoErr(*phWnd);
 210                if (cWindow && cWindow->head.pti == ptiNew)
 211                { // TRUE if the window is being activated,
 212                  // ThreadId that owns the window being deactivated.
 213                  //ERR("SendActivateMessage New\n");
 214                  co_IntSendMessageNoWait(*phWnd, WM_ACTIVATEAPP, TRUE, (LPARAM)OldTID);
 215                }
 216             }
 217          }
 218          ExFreePoolWithTag(List, USERTAG_WINDOWLIST);
 219       }
 220    }
 221
 222    if (Window)
 223    {
 224       if (WindowPrev)
 225          UserDerefObjectCo(WindowPrev); // Now allow the previous window to die.
 226
 227       if (Window->state & WNDS_ACTIVEFRAME)
 228       {  // If already active frame do not allow NCPaint.
 229          //ERR("SendActivateMessage Is Active Frame!\n");
 230          Window->state |= WNDS_NONCPAINT;
 231       }
 232
 233       if (Window->style & WS_MINIMIZE)
 234       {
 235          TRACE("Widow was minimized\n");
 236       }
 237
 238       co_IntMakeWindowActive(Window);
 239
 240       co_IntSendMessageNoWait( UserHMGetHandle(Window),
 241                                WM_NCACTIVATE,
 242                               (WPARAM)(Window == (gpqForeground ? gpqForeground->spwndActive : NULL)),
 243                                0); //(LPARAM)hWndPrev);
 244
 245       co_IntSendMessageNoWait( UserHMGetHandle(Window),
 246                                WM_ACTIVATE,
 247                                MAKEWPARAM(MouseActivate ? WA_CLICKACTIVE : WA_ACTIVE, Window->style & WS_MINIMIZE),
 248                               (LPARAM)(WindowPrev ? UserHMGetHandle(WindowPrev) : 0));
 249
 250       if (!Window->spwndOwner && !IntGetParent(Window))
 251       {
 252          // FIXME lParam; The value is TRUE if the window is in full-screen mode, or FALSE otherwise.
 253          co_IntShellHookNotify(HSHELL_WINDOWACTIVATED, (WPARAM) UserHMGetHandle(Window), FALSE);
 254       }
 255
 256       Window->state &= ~WNDS_NONCPAINT;
 257
 258       UserDerefObjectCo(Window);
 259    }
 260    return InAAPM;
 261 }
 262
 263 VOID FASTCALL
 264 IntSendFocusMessages( PTHREADINFO pti, PWND pWnd)
 265 {
 266    PWND pWndPrev;
 267    PUSER_MESSAGE_QUEUE ThreadQueue = pti->MessageQueue; // Queue can change...
 268
 269    ThreadQueue->QF_flags &= ~QF_FOCUSNULLSINCEACTIVE;
 270    if (!pWnd && ThreadQueue->spwndActive)
 271    {
 272       ThreadQueue->QF_flags |= QF_FOCUSNULLSINCEACTIVE;
 273    }
 274
 275    pWndPrev = ThreadQueue->spwndFocus;
 276
 277    /* check if the specified window can be set in the input data of a given queue */
 278    if (!pWnd || ThreadQueue == pWnd->head.pti->MessageQueue)
 279       /* set the current thread focus window */
 280       ThreadQueue->spwndFocus = pWnd;
 281
 282    if (pWnd)
 283    {
 284       if (pWndPrev)
 285       {
 286          //co_IntPostOrSendMessage(UserHMGetHandle(pWndPrev), WM_KILLFOCUS, (WPARAM)UserHMGetHandle(pWnd), 0);
 287          co_IntSendMessage(UserHMGetHandle(pWndPrev), WM_KILLFOCUS, (WPARAM)UserHMGetHandle(pWnd), 0);
 288       }
 289       if (ThreadQueue->spwndFocus == pWnd)
 290       {
 291          IntNotifyWinEvent(EVENT_OBJECT_FOCUS, pWnd, OBJID_CLIENT, CHILDID_SELF, 0);
 292          //co_IntPostOrSendMessage(UserHMGetHandle(pWnd), WM_SETFOCUS, (WPARAM)(pWndPrev ? UserHMGetHandle(pWndPrev) : NULL), 0);
 293          co_IntSendMessage(UserHMGetHandle(pWnd), WM_SETFOCUS, (WPARAM)(pWndPrev ? UserHMGetHandle(pWndPrev) : NULL), 0);
 294       }
 295    }
 296    else
 297    {
 298       if (pWndPrev)
 299       {
 300          IntNotifyWinEvent(EVENT_OBJECT_FOCUS, NULL, OBJID_CLIENT, CHILDID_SELF, 0);
 301          //co_IntPostOrSendMessage(UserHMGetHandle(pWndPrev), WM_KILLFOCUS, 0, 0);
 302          co_IntSendMessage(UserHMGetHandle(pWndPrev), WM_KILLFOCUS, 0, 0);
 303       }
 304    }
 305 }
 306
 307 VOID FASTCALL
 308 FindRemoveAsyncMsg(PWND Wnd, WPARAM wParam)
 309 {
 310    PTHREADINFO pti;
 311    PUSER_SENT_MESSAGE Message;
 312    PLIST_ENTRY Entry;
 313
 314    if (!Wnd) return;
 315
 316    pti = Wnd->head.pti;
 317
 318    Entry = pti->SentMessagesListHead.Flink;
 319    while (Entry != &pti->SentMessagesListHead)
 320    {
 321       // Scan sent queue messages to see if we received async messages.
 322       Message = CONTAINING_RECORD(Entry, USER_SENT_MESSAGE, ListEntry);
 323       Entry = Entry->Flink;
 324
 325       if (Message->Msg.message == WM_ASYNC_SETACTIVEWINDOW &&
 326           Message->Msg.hwnd == UserHMGetHandle(Wnd) &&
 327           Message->Msg.wParam == wParam)
 328       {
 329          ERR("ASYNC SAW: Found one in the Sent Msg Queue! %p Activate/Deactivate %d\n", Message->Msg.hwnd, !!wParam);
 330          RemoveEntryList(&Message->ListEntry); // Purge the entry.
 331          ClearMsgBitsMask(pti, Message->QS_Flags);
 332          ExFreePoolWithTag(Message, TAG_USRMSG);
 333       }
 334    }
 335 }
 336
 337 BOOL FASTCALL
 338 ToggleFGActivate(PTHREADINFO pti)
 339 {
 340    BOOL Ret;
 341    PPROCESSINFO ppi = pti->ppi;
 342
 343    Ret = !!(pti->TIF_flags & TIF_ALLOWFOREGROUNDACTIVATE);
 344    if (Ret)
 345    {
 346       pti->TIF_flags &= ~TIF_ALLOWFOREGROUNDACTIVATE;
 347    }
 348    else
 349       Ret = !!(ppi->W32PF_flags & W32PF_ALLOWFOREGROUNDACTIVATE);
 350
 351    if (Ret)
 352       ppi->W32PF_flags &= ~W32PF_ALLOWFOREGROUNDACTIVATE;
 353    //ERR("ToggleFGActivate is %d\n",Ret);
 354    return Ret;
 355 }
 356
 357 BOOL FASTCALL
 358 IsAllowedFGActive(PTHREADINFO pti, PWND Wnd)
 359 {
 360    // Not allowed if one or more,,
 361    if (!ToggleFGActivate(pti) ||              // bits not set,
 362         pti->rpdesk != gpdeskInputDesktop ||  // not current Desktop,
 363         pti->MessageQueue == gpqForeground || // if already the queue foreground,
 364         IsFGLocked() ||                       // foreground is locked,
 365         Wnd->ExStyle & WS_EX_NOACTIVATE )     // or,,, does not become the foreground window when the user clicks it.
 366    {
 367       return FALSE;
 368    }
 369    //ERR("IsAllowedFGActive is TRUE\n");
 370    return TRUE;
 371 }
 372
 373 /*
 374    Can the system force foreground from one or more conditions.
 375  */
 376 BOOL FASTCALL
 377 CanForceFG(PPROCESSINFO ppi)
 378 {
 379    if (!ptiLastInput ||
 380         ptiLastInput->ppi == ppi ||
 381        !gptiForeground ||
 382         gptiForeground->ppi == ppi ||
 383         ppi->W32PF_flags & (W32PF_ALLOWFOREGROUNDACTIVATE | W32PF_SETFOREGROUNDALLOWED) ||
 384         gppiInputProvider == ppi ||
 385        !gpqForeground
 386       ) return TRUE;
 387    //ERR("CanForceFG is FALSE\n");
 388    return FALSE;
 389 }
 390
 391 /*
 392    MSDN:
 393    The system restricts which processes can set the foreground window. A process
 394    can set the foreground window only if one of the following conditions is true:
 395
 396     * The process is the foreground process.
 397     * The process was started by the foreground process.
 398     * The process received the last input event.
 399     * There is no foreground process.
 400     * The foreground process is being debugged.
 401     * The foreground is not locked (see LockSetForegroundWindow).
 402     * The foreground lock time-out has expired (see SPI_GETFOREGROUNDLOCKTIMEOUT in SystemParametersInfo).
 403     * No menus are active.
 404 */
 405 static
 406 BOOL FASTCALL
 407 co_IntSetForegroundAndFocusWindow(
 408     _In_ PWND Wnd,
 409     _In_ BOOL MouseActivate)
 410 {
 411    HWND hWnd = Wnd ? UserHMGetHandle(Wnd) : NULL;
 412    HWND hWndPrev = NULL;
 413    PWND pWndPrev = NULL;
 414    PUSER_MESSAGE_QUEUE PrevForegroundQueue;
 415    PTHREADINFO pti;
 416    BOOL fgRet = FALSE, Ret = FALSE;
 417
 418    if (Wnd) ASSERT_REFS_CO(Wnd);
 419
 420    //ERR("SetForegroundAndFocusWindow(%x, %s)\n", hWnd, (MouseActivate ? "TRUE" : "FALSE"));
 421
 422    PrevForegroundQueue = IntGetFocusMessageQueue(); // Use this active desktop.
 423    pti = PsGetCurrentThreadWin32Thread();
 424
 425    if (PrevForegroundQueue)
 426    {  // Same Window Q as foreground just do active.
 427       if (Wnd && Wnd->head.pti->MessageQueue == PrevForegroundQueue)
 428       {
 429          //ERR("Same Window Q as foreground just do active.\n");
 430          if (pti->MessageQueue == PrevForegroundQueue)
 431          { // Same WQ and TQ go active.
 432             //ERR("Same WQ and TQ go active.\n");
 433             Ret = co_IntSetActiveWindow(Wnd, MouseActivate, TRUE, FALSE);
 434          }
 435          else if (Wnd->head.pti->MessageQueue->spwndActive == Wnd)
 436          { // Same WQ and it is active.
 437             //ERR("Same WQ and it is active.\n");
 438             Ret = TRUE;
 439          }
 440          else
 441          { // Same WQ as FG but not the same TQ send active.
 442             //ERR("Same WQ as FG but not the same TQ send active.\n");
 443             co_IntSendMessage(hWnd, WM_ASYNC_SETACTIVEWINDOW, (WPARAM)Wnd, (LPARAM)MouseActivate );
 444             Ret = TRUE;
 445          }
 446          return Ret;
 447       }
 448
 449       hWndPrev = PrevForegroundQueue->spwndActive ? UserHMGetHandle(PrevForegroundQueue->spwndActive) : 0;
 450       pWndPrev = PrevForegroundQueue->spwndActive;
 451    }
 452
 453    if ( (( !IsFGLocked() || pti->ppi == gppiInputProvider ) &&
 454          ( CanForceFG(pti->ppi) || pti->TIF_flags & (TIF_SYSTEMTHREAD|TIF_CSRSSTHREAD|TIF_ALLOWFOREGROUNDACTIVATE) )) ||
 455         pti->ppi == ppiScrnSaver
 456       )
 457    {
 458
 459       //ToggleFGActivate(pti); // win.c line 2662 fail
 460       if (Wnd)
 461       {
 462          IntSetFocusMessageQueue(Wnd->head.pti->MessageQueue);
 463          gptiForeground = Wnd->head.pti;
 464          //ERR("Set Foreground pti 0x%p Q 0x%p hWnd 0x%p\n",Wnd->head.pti, Wnd->head.pti->MessageQueue,Wnd->head.h);
 465       }
 466       else
 467       {
 468          IntSetFocusMessageQueue(NULL);
 469          gptiForeground = NULL;
 470          //ERR("Set Foreground pti 0x0 Q 0x0 hWnd 0x0\n");
 471       }
 472 /*
 473      Henri Verbeet,
 474      What happens is that we get the WM_WINE_SETACTIVEWINDOW message sent by the
 475      other thread after we already changed the foreground window back to our own
 476      window.
 477  */
 478       //ERR("SFAFW: 1\n");
 479       FindRemoveAsyncMsg(Wnd, 0); // Do this to fix test_SFW todos!
 480
 481       fgRet = TRUE;
 482    }
 483
 484    //  Fix FG Bounce with regedit.
 485    if (hWndPrev != hWnd )
 486    {
 487       if (PrevForegroundQueue &&
 488           fgRet &&
 489           PrevForegroundQueue->spwndActive)
 490       {
 491          //ERR("SFGW: Send NULL to 0x%x\n",hWndPrev);
 492          if (pti->MessageQueue == PrevForegroundQueue)
 493          {
 494             //ERR("SFGW: TI same as Prev TI\n");
 495             co_IntSetActiveWindow(NULL, FALSE, TRUE, FALSE);
 496          }
 497          else if (pWndPrev)
 498          {
 499             //ERR("SFGW Deactivate: TI not same as Prev TI\n");
 500             // No real reason to wait here.
 501             co_IntSendMessageNoWait(hWndPrev, WM_ASYNC_SETACTIVEWINDOW, 0, 0 );
 502          }
 503       }
 504    }
 505
 506    if (!Wnd) return FALSE; // Always return false.
 507
 508    if (pti->MessageQueue == Wnd->head.pti->MessageQueue)
 509    {
 510        //ERR("Same PQ and WQ go active.\n");
 511        Ret = co_IntSetActiveWindow(Wnd, MouseActivate, TRUE, FALSE);
 512    }
 513    else if (Wnd->head.pti->MessageQueue->spwndActive == Wnd)
 514    {
 515        //ERR("Same Active and Wnd.\n");
 516        Ret = TRUE;
 517    }
 518    else
 519    {
 520        //ERR("Activate Not same PQ and WQ and Wnd.\n");
 521        co_IntSendMessageNoWait(hWnd, WM_ASYNC_SETACTIVEWINDOW, (WPARAM)Wnd, (LPARAM)MouseActivate );
 522        Ret = TRUE;
 523    }
 524    return Ret && fgRet;
 525 }
 526
 527 /*
 528   Revision 7888, activate modal dialog when clicking on a disabled window.
 529 */
 530 HWND FASTCALL
 531 IntFindChildWindowToOwner(PWND Root, PWND Owner)
 532 {
 533    HWND Ret;
 534    PWND Child, OwnerWnd;
 535
 536    for(Child = Root->spwndChild; Child; Child = Child->spwndNext)
 537    {
 538       OwnerWnd = Child->spwndOwner;
 539       if(!OwnerWnd)
 540          continue;
 541
 542       if(OwnerWnd == Owner)
 543       {
 544          Ret = Child->head.h;
 545          return Ret;
 546       }
 547    }
 548    return NULL;
 549 }
 550
 551 BOOL FASTCALL
 552 co_IntMouseActivateWindow(PWND Wnd)
 553 {
 554    HWND Top;
 555    USER_REFERENCE_ENTRY Ref;
 556    ASSERT_REFS_CO(Wnd);
 557
 558    if (Wnd->style & WS_DISABLED)
 559    {
 560       BOOL Ret;
 561       PWND TopWnd;
 562       PWND DesktopWindow = UserGetDesktopWindow();
 563       if (DesktopWindow)
 564       {
 565          ERR("Window Diabled\n");
 566          Top = IntFindChildWindowToOwner(DesktopWindow, Wnd);
 567          if ((TopWnd = ValidateHwndNoErr(Top)))
 568          {
 569             UserRefObjectCo(TopWnd, &Ref);
 570             Ret = co_IntMouseActivateWindow(TopWnd);
 571             UserDerefObjectCo(TopWnd);
 572
 573             return Ret;
 574          }
 575       }
 576       return FALSE;
 577    }
 578    ERR("Mouse Active\n");
 579    co_IntSetForegroundAndFocusWindow(Wnd, TRUE);
 580    return TRUE;
 581 }
 582
 583 BOOL FASTCALL
 584 co_IntSetActiveWindow(PWND Wnd OPTIONAL, BOOL bMouse, BOOL bFocus, BOOL Async)
 585 {
 586    PTHREADINFO pti;
 587    PUSER_MESSAGE_QUEUE ThreadQueue;
 588    PWND pWndChg, WndPrev; // State changes.
 589    HWND hWndPrev;
 590    HWND hWnd = 0;
 591    BOOL InAAPM;
 592    CBTACTIVATESTRUCT cbt;
 593    //ERR("co_IntSetActiveWindow 1\n");
 594    if (Wnd)
 595    {
 596       ASSERT_REFS_CO(Wnd);
 597       hWnd = UserHMGetHandle(Wnd);
 598       if ((Wnd->style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
 599       if (Wnd == UserGetDesktopWindow()) return FALSE;
 600       //ERR("co_IntSetActiveWindow 1a hWnd 0x%p\n",hWnd);
 601    }
 602
 603    //ERR("co_IntSetActiveWindow 2\n");
 604    pti = PsGetCurrentThreadWin32Thread();
 605    ThreadQueue = pti->MessageQueue;
 606    ASSERT(ThreadQueue != 0);
 607
 608    hWndPrev = ThreadQueue->spwndActive ? UserHMGetHandle(ThreadQueue->spwndActive) : NULL;
 609
 610    pWndChg = ThreadQueue->spwndActive; // Keep to notify of a preemptive switch.
 611
 612    while (Wnd)
 613    {
 614       BOOL Ret, DoFG, AllowFG;
 615
 616       if (Wnd->state & WNDS_BEINGACTIVATED) return TRUE;
 617
 618       if (ThreadQueue == Wnd->head.pti->MessageQueue)
 619       {
 620          if (IsAllowedFGActive(pti, Wnd))
 621          {
 622              DoFG = TRUE;
 623          }
 624          else
 625          {
 626              //ERR("co_IntSetActiveWindow 3 Go Out!\n");
 627              break;
 628          }
 629          AllowFG = !pti->cVisWindows; // Nothing is visable.
 630          //ERR("co_IntSetActiveWindow 3a DoFG = %d AllowFG = %d\n",DoFG,AllowFG);
 631       }
 632       else //if (ThreadQueue != Wnd->head.pti->MessageQueue)
 633       {
 634          //PUSER_MESSAGE_QUEUE ForegroundQueue = IntGetFocusMessageQueue();
 635          // Rule 1 & 4, We are foreground so set this FG window or NULL foreground....
 636          //if (!ForegroundQueue || ForegroundQueue == ThreadQueue)
 637          if (!gpqForeground || gpqForeground == ThreadQueue)
 638          {
 639             DoFG = TRUE;
 640          }
 641          else
 642             DoFG = FALSE;
 643          if (DoFG)
 644          {
 645             if (pti->TIF_flags & TIF_ALLOWFOREGROUNDACTIVATE || pti->cVisWindows)
 646                AllowFG = TRUE;
 647             else
 648                AllowFG = FALSE;
 649          }
 650          else
 651             AllowFG = FALSE;
 652          //ERR("co_IntSetActiveWindow 3b DoFG = %d AllowFG = %d\n",DoFG,AllowFG);
 653       }
 654       Ret = FALSE;
 655       if (DoFG)
 656       {
 657          pti->TIF_flags |= TIF_ALLOWFOREGROUNDACTIVATE;
 658          //ERR("co_IntSetActiveWindow 3c FG set\n");
 659          Ret = co_IntSetForegroundAndFocusWindow(Wnd, bMouse);
 660          if (AllowFG)
 661          {
 662             pti->TIF_flags |= TIF_ALLOWFOREGROUNDACTIVATE;
 663          }
 664          else
 665          {
 666             pti->TIF_flags &= ~TIF_ALLOWFOREGROUNDACTIVATE;
 667          }
 668       }
 669       return Ret;
 670    }
 671
 672    /* Call CBT hook chain */
 673    cbt.fMouse     = bMouse;
 674    cbt.hWndActive = hWndPrev;
 675    if (co_HOOK_CallHooks( WH_CBT, HCBT_ACTIVATE, (WPARAM)hWnd, (LPARAM)&cbt))
 676    {
 677       ERR("SetActiveWindow: WH_CBT Call Hook return!\n");
 678       return FALSE;
 679    }
 680
 681    if ( ThreadQueue->spwndActive && ThreadQueue->spwndActive->state & WNDS_DESTROYED )
 682       ThreadQueue->spwndActive = NULL;
 683    else
 684       ThreadQueue->spwndActivePrev = ThreadQueue->spwndActive;
 685
 686    WndPrev = ThreadQueue->spwndActive; // Keep to save changing active.
 687
 688    if (WndPrev)
 689    {
 690       if (ThreadQueue == gpqForeground) gpqForegroundPrev = ThreadQueue;
 691       if (!co_IntSendDeactivateMessages(UserHMGetHandle(WndPrev), hWnd)) return FALSE;
 692    }
 693
 694    WndPrev = ThreadQueue->spwndActive; // Again keep to save changing active.
 695
 696    // While in calling message proc or hook:
 697    // Fail if a preemptive switch was made, current active not made previous,
 698    // focus window is dead or no longer the same thread queue.
 699    if ( ThreadQueue->spwndActivePrev != ThreadQueue->spwndActive ||
 700         pWndChg != WndPrev ||
 701         (Wnd && !VerifyWnd(Wnd)) ||
 702         ThreadQueue != pti->MessageQueue )
 703    {
 704       ERR("SetActiveWindow: Summery ERROR, active state changed!\n");
 705       return FALSE;
 706    }
 707
 708    if (!WndPrev) ThreadQueue->QF_flags &= ~QF_FOCUSNULLSINCEACTIVE;
 709
 710    if (Wnd) Wnd->state |= WNDS_BEINGACTIVATED;
 711
 712    IntNotifyWinEvent(EVENT_SYSTEM_FOREGROUND, Wnd, OBJID_WINDOW, CHILDID_SELF, WEF_SETBYWNDPTI);
 713    //// Breaks Atl-Esc/Tab via User32.
 714    ////FindRemoveAsyncMsg(Wnd,(WPARAM)Wnd); // Clear out activate ASYNC messages.
 715
 716    /* check if the specified window can be set in the input data of a given queue */
 717    if ( !Wnd || ThreadQueue == Wnd->head.pti->MessageQueue)
 718    {
 719       /* set the current thread active window */
 720       ThreadQueue->spwndActive = Wnd;
 721    }
 722
 723    WndPrev = VerifyWnd(ThreadQueue->spwndActivePrev); // Now should be set but verify it again.
 724
 725    InAAPM = co_IntSendActivateMessages(WndPrev, Wnd, bMouse, Async);
 726
 727    /* now change focus if necessary */
 728    //// Fixes CORE-6452 allows setting focus on window.
 729    if (bFocus && !(ThreadQueue->QF_flags & QF_FOCUSNULLSINCEACTIVE))
 730    {
 731       /* Do not change focus if the window is no longer active */
 732       if (pti->MessageQueue->spwndActive != IntGetNonChildAncestor(pti->MessageQueue->spwndFocus))
 733       {
 734          PWND pWndSend = pti->MessageQueue->spwndActive;
 735          // Clear focus if the active window is minimized.
 736          if (pWndSend && pti->MessageQueue->spwndActive->style & WS_MINIMIZE) pWndSend = NULL;
 737          // Send focus messages and if so, set the focus.
 738          IntSendFocusMessages( pti, pWndSend);
 739       }
 740    }
 741    ////
 742    if (InAAPM)
 743    {
 744       pti->TIF_flags &= ~TIF_INACTIVATEAPPMSG;
 745    }
 746
 747    // FIXME: Used in the menu loop!!!
 748    //ThreadQueue->QF_flags |= QF_ACTIVATIONCHANGE;
 749
 750    //ERR("co_IntSetActiveWindow Exit\n");
 751    if (Wnd) Wnd->state &= ~WNDS_BEINGACTIVATED;
 752    return (ThreadQueue->spwndActive == Wnd);
 753 }
 754
 755 BOOL FASTCALL
 756 UserSetActiveWindow(PWND Wnd)
 757 {
 758   if (Wnd) // Must have a window!
 759   {
 760      if ((Wnd->style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
 761
 762      return co_IntSetActiveWindow(Wnd, FALSE, TRUE, FALSE);
 763   }
 764   /*
 765      Yes your eye are not deceiving you~!
 766
 767      First part of wines Win.c test_SetActiveWindow:
 768
 769      flush_events( TRUE );
 770      ShowWindow(hwnd, SW_HIDE);
 771      SetFocus(0);
 772      SetActiveWindow(0);
 773      check_wnd_state(0, 0, 0, 0); <-- This should pass if ShowWindow does it's job!!! As of 10/28/2012 it does!
 774
 775   */
 776   return FALSE;
 777 }
 778
 779 HWND FASTCALL
 780 co_UserSetFocus(PWND Window)
 781 {
 782    HWND hWndPrev = 0;
 783    PWND pwndTop;
 784    PTHREADINFO pti;
 785    PUSER_MESSAGE_QUEUE ThreadQueue;
 786
 787    if (Window)
 788       ASSERT_REFS_CO(Window);
 789
 790    pti = PsGetCurrentThreadWin32Thread();
 791    ThreadQueue = pti->MessageQueue;
 792    ASSERT(ThreadQueue != 0);
 793
 794    TRACE("Enter SetFocus hWnd 0x%p pti 0x%p\n",Window ? UserHMGetHandle(Window) : 0, pti );
 795
 796    hWndPrev = ThreadQueue->spwndFocus ? UserHMGetHandle(ThreadQueue->spwndFocus) : 0;
 797
 798    if (Window != 0)
 799    {
 800       if (hWndPrev == UserHMGetHandle(Window))
 801       {
 802          return hWndPrev ? (IntIsWindow(hWndPrev) ? hWndPrev : 0) : 0; /* Nothing to do */
 803       }
 804
 805       if (Window->head.pti->MessageQueue != ThreadQueue)
 806       {
 807          ERR("SetFocus Must have the same Q!\n");
 808          return 0;
 809       }
 810
 811       /* Check if we can set the focus to this window */
 812       //// Fixes wine win test_SetParent both "todo" line 3710 and 3720...
 813       for (pwndTop = Window; pwndTop; pwndTop = pwndTop->spwndParent)
 814       {
 815          if (pwndTop->style & (WS_MINIMIZED|WS_DISABLED)) return 0;
 816          if ((pwndTop->style & (WS_POPUP|WS_CHILD)) != WS_CHILD) break;
 817       }
 818       ////
 819       if (co_HOOK_CallHooks( WH_CBT, HCBT_SETFOCUS, (WPARAM)Window->head.h, (LPARAM)hWndPrev))
 820       {
 821          ERR("SetFocus 1 WH_CBT Call Hook return!\n");
 822          return 0;
 823       }
 824
 825       /* Activate pwndTop if needed. */
 826       if (pwndTop != ThreadQueue->spwndActive)
 827       {
 828          PUSER_MESSAGE_QUEUE ForegroundQueue = IntGetFocusMessageQueue(); // Keep it based on desktop.
 829          if (ThreadQueue != ForegroundQueue && IsAllowedFGActive(pti, pwndTop)) // Rule 2 & 3.
 830          {
 831             //ERR("SetFocus: Set Foreground!\n");
 832             if (!(pwndTop->style & WS_VISIBLE))
 833             {
 834                 pti->ppi->W32PF_flags |= W32PF_ALLOWFOREGROUNDACTIVATE;
 835             }
 836             if (!co_IntSetForegroundAndFocusWindow(pwndTop, FALSE))
 837             {
 838                ERR("SetFocus: Set Foreground and Focus Failed!\n");
 839                return 0;
 840             }
 841          }
 842
 843          /* Set Active when it is needed. */
 844          if (pwndTop != ThreadQueue->spwndActive)
 845          {
 846             //ERR("SetFocus: Set Active!\n");
 847             if (!co_IntSetActiveWindow(pwndTop, FALSE, FALSE, FALSE))
 848             {
 849                ERR("SetFocus: Set Active Failed!\n");
 850                return 0;
 851             }
 852          }
 853
 854          /* Abort if window destroyed */
 855          if (Window->state2 & WNDS2_INDESTROY) return 0;
 856          /* Do not change focus if the window is no longer active */
 857          if (pwndTop != ThreadQueue->spwndActive)
 858          {
 859             ERR("SetFocus: Top window did not go active!\n");
 860             return 0;
 861          }
 862       }
 863
 864       // Check again! SetActiveWindow could have set the focus via WM_ACTIVATE.
 865       hWndPrev = ThreadQueue->spwndFocus ? UserHMGetHandle(ThreadQueue->spwndFocus) : 0;
 866
 867       IntSendFocusMessages( pti, Window);
 868
 869       TRACE("Focus: %p -> %p\n", hWndPrev, Window->head.h);
 870    }
 871    else /* NULL hwnd passed in */
 872    {
 873       if (co_HOOK_CallHooks( WH_CBT, HCBT_SETFOCUS, (WPARAM)0, (LPARAM)hWndPrev))
 874       {
 875          ERR("SetFocus: 2 WH_CBT Call Hook return!\n");
 876          return 0;
 877       }
 878
 879       /* set the current thread focus window null */
 880       IntSendFocusMessages( pti, NULL);
 881    }
 882    return hWndPrev ? (IntIsWindow(hWndPrev) ? hWndPrev : 0) : 0;
 883 }
 884
 885 HWND FASTCALL
 886 UserGetForegroundWindow(VOID)
 887 {
 888    PUSER_MESSAGE_QUEUE ForegroundQueue;
 889
 890    ForegroundQueue = IntGetFocusMessageQueue();
 891    return( ForegroundQueue ? (ForegroundQueue->spwndActive ? UserHMGetHandle(ForegroundQueue->spwndActive) : 0) : 0);
 892 }
 893
 894 HWND FASTCALL UserGetActiveWindow(VOID)
 895 {
 896    PTHREADINFO pti;
 897    PUSER_MESSAGE_QUEUE ThreadQueue;
 898
 899    pti = PsGetCurrentThreadWin32Thread();
 900    ThreadQueue = pti->MessageQueue;
 901    return( ThreadQueue ? (ThreadQueue->spwndActive ? UserHMGetHandle(ThreadQueue->spwndActive) : 0) : 0);
 902 }
 903
 904 HWND APIENTRY
 905 IntGetCapture(VOID)
 906 {
 907    PTHREADINFO pti;
 908    PUSER_MESSAGE_QUEUE ThreadQueue;
 909    DECLARE_RETURN(HWND);
 910
 911    TRACE("Enter IntGetCapture\n");
 912
 913    pti = PsGetCurrentThreadWin32Thread();
 914    ThreadQueue = pti->MessageQueue;
 915    RETURN( ThreadQueue ? (ThreadQueue->spwndCapture ? UserHMGetHandle(ThreadQueue->spwndCapture) : 0) : 0);
 916
 917 CLEANUP:
 918    TRACE("Leave IntGetCapture, ret=%p\n", _ret_);
 919    END_CLEANUP;
 920 }
 921
 922 HWND FASTCALL
 923 co_UserSetCapture(HWND hWnd)
 924 {
 925    PTHREADINFO pti;
 926    PUSER_MESSAGE_QUEUE ThreadQueue;
 927    PWND pWnd, Window = NULL;
 928    HWND hWndPrev;
 929
 930    pti = PsGetCurrentThreadWin32Thread();
 931    ThreadQueue = pti->MessageQueue;
 932
 933    if (ThreadQueue->QF_flags & QF_CAPTURELOCKED)
 934       return NULL;
 935
 936    if (hWnd && (Window = UserGetWindowObject(hWnd)))
 937    {
 938       if (Window->head.pti->MessageQueue != ThreadQueue)
 939       {
 940          return NULL;
 941       }
 942    }
 943
 944    hWndPrev = MsqSetStateWindow(pti, MSQ_STATE_CAPTURE, hWnd);
 945
 946    if (hWndPrev)
 947    {
 948       pWnd = UserGetWindowObject(hWndPrev);
 949       if (pWnd)
 950          IntNotifyWinEvent(EVENT_SYSTEM_CAPTUREEND, pWnd, OBJID_WINDOW, CHILDID_SELF, WEF_SETBYWNDPTI);
 951    }
 952
 953    if (Window)
 954       IntNotifyWinEvent(EVENT_SYSTEM_CAPTURESTART, Window, OBJID_WINDOW, CHILDID_SELF, WEF_SETBYWNDPTI);
 955
 956    if (hWndPrev && hWndPrev != hWnd)
 957    {
 958       if (ThreadQueue->MenuOwner && Window) ThreadQueue->QF_flags |= QF_CAPTURELOCKED;
 959
 960       //co_IntPostOrSendMessage(hWndPrev, WM_CAPTURECHANGED, 0, (LPARAM)hWnd);
 961       co_IntSendMessage(hWndPrev, WM_CAPTURECHANGED, 0, (LPARAM)hWnd);
 962
 963       ThreadQueue->QF_flags &= ~QF_CAPTURELOCKED;
 964    }
 965
 966    ThreadQueue->spwndCapture = Window;
 967
 968    if (hWnd == NULL) // Release mode.
 969    {
 970       MOUSEINPUT mi;
 971    /// These are HACKS!
 972       /* Also remove other windows if not capturing anymore */
 973       MsqSetStateWindow(pti, MSQ_STATE_MENUOWNER, NULL);
 974       MsqSetStateWindow(pti, MSQ_STATE_MOVESIZE, NULL);
 975    ///
 976       /* Somebody may have missed some mouse movements */
 977       mi.dx = 0;
 978       mi.dy = 0;
 979       mi.mouseData = 0;
 980       mi.dwFlags = MOUSEEVENTF_MOVE;
 981       mi.time = 0;
 982       mi.dwExtraInfo = 0;
 983       UserSendMouseInput(&mi, FALSE);
 984    }
 985    return hWndPrev;
 986 }
 987
 988 /*
 989   API Call
 990 */
 991 BOOL
 992 FASTCALL
 993 IntReleaseCapture(VOID)
 994 {
 995    PTHREADINFO pti;
 996    PUSER_MESSAGE_QUEUE ThreadQueue;
 997
 998    pti = PsGetCurrentThreadWin32Thread();
 999    ThreadQueue = pti->MessageQueue;
1000
1001    // Can not release inside WM_CAPTURECHANGED!!
1002    if (ThreadQueue->QF_flags & QF_CAPTURELOCKED) return FALSE;
1003
1004    co_UserSetCapture(NULL);
1005
1006    return TRUE;
1007 }
1008
1009 /*
1010   API Call
1011 */
1012 BOOL FASTCALL
1013 co_IntSetForegroundWindow(PWND Window)
1014 {
1015    if (Window) ASSERT_REFS_CO(Window);
1016
1017    return co_IntSetForegroundAndFocusWindow(Window, FALSE);
1018 }
1019
1020 /*
1021   API Call
1022 */
1023 BOOL FASTCALL
1024 co_IntSetForegroundWindowMouse(PWND Window)
1025 {
1026    if (Window) ASSERT_REFS_CO(Window);
1027
1028    return co_IntSetForegroundAndFocusWindow(Window, TRUE);
1029 }
1030
1031 /*
1032   API Call
1033 */
1034 BOOL FASTCALL
1035 IntLockSetForegroundWindow(UINT uLockCode)
1036 {
1037    ULONG Err = ERROR_ACCESS_DENIED;
1038    PPROCESSINFO ppi = PsGetCurrentProcessWin32Process();
1039    switch (uLockCode)
1040    {
1041       case LSFW_LOCK:
1042          if ( CanForceFG(ppi) && !gppiLockSFW )
1043          {
1044             gppiLockSFW = ppi;
1045             return TRUE;
1046          }
1047          break;
1048       case LSFW_UNLOCK:
1049          if ( gppiLockSFW == ppi)
1050          {
1051             gppiLockSFW = NULL;
1052             return TRUE;
1053          }
1054          break;
1055       default:
1056          Err = ERROR_INVALID_PARAMETER;
1057    }
1058    EngSetLastError(Err);
1059    return FALSE;
1060 }
1061
1062 /*
1063   API Call
1064 */
1065 BOOL FASTCALL
1066 IntAllowSetForegroundWindow(DWORD dwProcessId)
1067 {
1068    PPROCESSINFO ppi, ppiCur;
1069    PEPROCESS Process = NULL;
1070
1071    ppi = NULL;
1072    if (dwProcessId != ASFW_ANY)
1073    {
1074       if (!NT_SUCCESS(PsLookupProcessByProcessId((HANDLE)dwProcessId, &Process)))
1075       {
1076          EngSetLastError(ERROR_INVALID_PARAMETER);
1077          return FALSE;
1078       }
1079       ppi = PsGetProcessWin32Process(Process);
1080       if (!ppi)
1081       {
1082          ObDereferenceObject(Process);
1083          return FALSE;
1084       }
1085    }
1086    ppiCur = PsGetCurrentProcessWin32Process();
1087    if (!CanForceFG(ppiCur))
1088    {
1089       if (Process) ObDereferenceObject(Process);
1090       EngSetLastError(ERROR_ACCESS_DENIED);
1091       return FALSE;
1092    }
1093    if (dwProcessId == ASFW_ANY)
1094    {  // All processes will be enabled to set the foreground window.
1095       //ERR("ptiLastInput is CLEARED!!\n");
1096       ptiLastInput = NULL;
1097    }
1098    else
1099    {  // Rule #3, last input event in force.
1100       ERR("ptiLastInput is SET!!\n");
1101       //ptiLastInput = ppi->ptiList; // See CORE-6384 & CORE-7030.
1102       ObDereferenceObject(Process);
1103    }
1104    return TRUE;
1105 }
1106
1107 /*
1108  * @implemented
1109  */
1110 HWND APIENTRY
1111 NtUserGetForegroundWindow(VOID)
1112 {
1113    DECLARE_RETURN(HWND);
1114
1115    TRACE("Enter NtUserGetForegroundWindow\n");
1116    UserEnterExclusive();
1117
1118    RETURN( UserGetForegroundWindow());
1119
1120 CLEANUP:
1121    TRACE("Leave NtUserGetForegroundWindow, ret=%p\n",_ret_);
1122    UserLeave();
1123    END_CLEANUP;
1124 }
1125
1126 HWND APIENTRY
1127 NtUserSetActiveWindow(HWND hWnd)
1128 {
1129    USER_REFERENCE_ENTRY Ref;
1130    HWND hWndPrev;
1131    PWND Window;
1132    DECLARE_RETURN(HWND);
1133
1134    TRACE("Enter NtUserSetActiveWindow(%p)\n", hWnd);
1135    UserEnterExclusive();
1136
1137    Window = NULL;
1138    if (hWnd)
1139    {
1140       if (!(Window = UserGetWindowObject(hWnd)))
1141       {
1142          ERR("NtUserSetActiveWindow: Invalid handle 0x%p!\n",hWnd);
1143          RETURN( NULL);
1144       }
1145    }
1146
1147    if (!Window ||
1148         Window->head.pti->MessageQueue == gptiCurrent->MessageQueue)
1149    {
1150       hWndPrev = gptiCurrent->MessageQueue->spwndActive ? UserHMGetHandle(gptiCurrent->MessageQueue->spwndActive) : NULL;
1151       if (Window) UserRefObjectCo(Window, &Ref);
1152       UserSetActiveWindow(Window);
1153       if (Window) UserDerefObjectCo(Window);
1154       RETURN( hWndPrev ? (IntIsWindow(hWndPrev) ? hWndPrev : 0) : 0 );
1155    }
1156    RETURN( NULL);
1157
1158 CLEANUP:
1159    TRACE("Leave NtUserSetActiveWindow, ret=%p\n",_ret_);
1160    UserLeave();
1161    END_CLEANUP;
1162 }
1163
1164 /*
1165  * @implemented
1166  */
1167 HWND APIENTRY
1168 NtUserSetCapture(HWND hWnd)
1169 {
1170    DECLARE_RETURN(HWND);
1171
1172    TRACE("Enter NtUserSetCapture(%p)\n", hWnd);
1173    UserEnterExclusive();
1174
1175    RETURN( co_UserSetCapture(hWnd));
1176
1177 CLEANUP:
1178    TRACE("Leave NtUserSetCapture, ret=%p\n", _ret_);
1179    UserLeave();
1180    END_CLEANUP;
1181 }
1182
1183 /*
1184  * @implemented
1185  */
1186 HWND APIENTRY
1187 NtUserSetFocus(HWND hWnd)
1188 {
1189    PWND Window;
1190    USER_REFERENCE_ENTRY Ref;
1191    DECLARE_RETURN(HWND);
1192    HWND ret;
1193
1194    TRACE("Enter NtUserSetFocus(%p)\n", hWnd);
1195    UserEnterExclusive();
1196
1197    if (hWnd)
1198    {
1199       if (!(Window = UserGetWindowObject(hWnd)))
1200       {
1201          ERR("NtUserSetFocus: Invalid handle 0x%p!\n",hWnd);
1202          RETURN(NULL);
1203       }
1204
1205       UserRefObjectCo(Window, &Ref);
1206       ret = co_UserSetFocus(Window);
1207       UserDerefObjectCo(Window);
1208
1209       RETURN(ret);
1210    }
1211    else
1212    {
1213       RETURN( co_UserSetFocus(0));
1214    }
1215
1216 CLEANUP:
1217    TRACE("Leave NtUserSetFocus, ret=%p\n",_ret_);
1218    UserLeave();
1219    END_CLEANUP;
1220 }
1221
1222 /* EOF */