reactos/win32ss/user/ntuser/simplecall.c

   1 /*
   2  * COPYRIGHT:        See COPYING in the top level directory
   3  * PROJECT:          ReactOS kernel
   4  * PURPOSE:          NtUserCallXxx call stubs
   5  * FILE:             subsystem/win32/win32k/ntuser/simplecall.c
   6  * PROGRAMER:        Ge van Geldorp (ge@gse.nl)
   7  */
   8
   9 #include <win32k.h>
  10
  11 DBG_DEFAULT_CHANNEL(UserMisc);
  12
  13 /* Registered logon process ID */
  14 HANDLE gpidLogon = 0;
  15
  16 BOOL FASTCALL
  17 co_IntRegisterLogonProcess(HANDLE ProcessId, BOOL Register)
  18 {
  19    NTSTATUS Status;
  20    PEPROCESS Process;
  21
  22    Status = PsLookupProcessByProcessId(ProcessId, &Process);
  23    if (!NT_SUCCESS(Status))
  24    {
  25       EngSetLastError(RtlNtStatusToDosError(Status));
  26       return FALSE;
  27    }
  28
  29    ProcessId = Process->UniqueProcessId;
  30
  31    ObDereferenceObject(Process);
  32
  33    if (Register)
  34    {
  35       /* Register the logon process */
  36       if (gpidLogon != 0)
  37          return FALSE;
  38
  39       gpidLogon = ProcessId;
  40    }
  41    else
  42    {
  43       /* Deregister the logon process */
  44       if (gpidLogon != ProcessId)
  45          return FALSE;
  46
  47       gpidLogon = 0;
  48    }
  49
  50    return TRUE;
  51 }
  52
  53 /*
  54  * @unimplemented
  55  */
  56 DWORD_PTR
  57 APIENTRY
  58 NtUserCallNoParam(DWORD Routine)
  59 {
  60    DWORD_PTR Result = 0;
  61    DECLARE_RETURN(DWORD_PTR);
  62
  63    TRACE("Enter NtUserCallNoParam\n");
  64    UserEnterExclusive();
  65
  66    switch(Routine)
  67    {
  68       case NOPARAM_ROUTINE_CREATEMENU:
  69          Result = (DWORD_PTR)UserCreateMenu(GetW32ThreadInfo()->rpdesk, FALSE);
  70          break;
  71
  72       case NOPARAM_ROUTINE_CREATEMENUPOPUP:
  73          Result = (DWORD_PTR)UserCreateMenu(GetW32ThreadInfo()->rpdesk, TRUE);
  74          break;
  75
  76       case NOPARAM_ROUTINE_DESTROY_CARET:
  77          Result = (DWORD_PTR)co_IntDestroyCaret(PsGetCurrentThread()->Tcb.Win32Thread);
  78          break;
  79
  80       case NOPARAM_ROUTINE_INIT_MESSAGE_PUMP:
  81          Result = (DWORD_PTR)IntInitMessagePumpHook();
  82          break;
  83
  84       case NOPARAM_ROUTINE_UNINIT_MESSAGE_PUMP:
  85          Result = (DWORD_PTR)IntUninitMessagePumpHook();
  86          break;
  87
  88       case NOPARAM_ROUTINE_MSQCLEARWAKEMASK:
  89          RETURN( (DWORD_PTR)IntMsqClearWakeMask());
  90
  91       case NOPARAM_ROUTINE_GETMSESSAGEPOS:
  92       {
  93          PTHREADINFO pti = PsGetCurrentThreadWin32Thread();
  94          RETURN( (DWORD_PTR)MAKELONG(pti->ptLast.x, pti->ptLast.y));
  95       }
  96
  97       case NOPARAM_ROUTINE_RELEASECAPTURE:
  98          RETURN( (DWORD_PTR)IntReleaseCapture());
  99
 100       case NOPARAM_ROUTINE_LOADUSERAPIHOOK:
 101          RETURN(UserLoadApiHook());
 102
 103       case NOPARAM_ROUTINE_ZAPACTIVEANDFOUS:
 104       {
 105          PTHREADINFO pti = PsGetCurrentThreadWin32Thread();
 106          TRACE("Zapping the Active and Focus window out of the Queue!\n");
 107          pti->MessageQueue->spwndFocus = NULL;
 108          pti->MessageQueue->spwndActive = NULL;
 109          RETURN(0);
 110       }
 111
 112       /* this is a ReactOS only case and is needed for gui-on-demand */
 113       case NOPARAM_ROUTINE_ISCONSOLEMODE:
 114           RETURN( ScreenDeviceContext == NULL );
 115
 116       default:
 117          ERR("Calling invalid routine number 0x%x in NtUserCallNoParam\n", Routine);
 118          EngSetLastError(ERROR_INVALID_PARAMETER);
 119          break;
 120    }
 121    RETURN(Result);
 122
 123 CLEANUP:
 124    TRACE("Leave NtUserCallNoParam, ret=%p\n",(PVOID)_ret_);
 125    UserLeave();
 126    END_CLEANUP;
 127 }
 128
 129
 130 /*
 131  * @implemented
 132  */
 133 DWORD_PTR
 134 APIENTRY
 135 NtUserCallOneParam(
 136    DWORD_PTR Param,
 137    DWORD Routine)
 138 {
 139    DECLARE_RETURN(DWORD_PTR);
 140
 141    TRACE("Enter NtUserCallOneParam\n");
 142
 143    UserEnterExclusive();
 144
 145    switch(Routine)
 146    {
 147       case ONEPARAM_ROUTINE_POSTQUITMESSAGE:
 148           {
 149                 PTHREADINFO pti;
 150                 pti = PsGetCurrentThreadWin32Thread();
 151                 MsqPostQuitMessage(pti, Param);
 152                 RETURN(TRUE);
 153           }
 154
 155       case ONEPARAM_ROUTINE_BEGINDEFERWNDPOS:
 156          {
 157              PSMWP psmwp;
 158              HDWP hDwp = NULL;
 159              INT count = (INT)Param;
 160
 161              if (count < 0)
 162              {
 163                 EngSetLastError(ERROR_INVALID_PARAMETER);
 164                 RETURN(0);
 165              }
 166              /* Windows allows zero count, in which case it allocates context for 8 moves */
 167              if (count == 0) count = 8;
 168
 169              psmwp = (PSMWP) UserCreateObject( gHandleTable,
 170                                                NULL,
 171                                                NULL,
 172                                               (PHANDLE)&hDwp,
 173                                                TYPE_SETWINDOWPOS,
 174                                                sizeof(SMWP));
 175              if (!psmwp) RETURN(0);
 176              psmwp->acvr = ExAllocatePoolWithTag(PagedPool, count * sizeof(CVR), USERTAG_SWP);
 177              if (!psmwp->acvr)
 178              {
 179                 UserDeleteObject(hDwp, TYPE_SETWINDOWPOS);
 180                 RETURN(0);
 181              }
 182              RtlZeroMemory(psmwp->acvr, count * sizeof(CVR));
 183              psmwp->bHandle = TRUE;
 184              psmwp->ccvr = 0;          // actualCount
 185              psmwp->ccvrAlloc = count; // suggestedCount
 186              RETURN((DWORD_PTR)hDwp);
 187          }
 188
 189       case ONEPARAM_ROUTINE_SHOWCURSOR:
 190          RETURN( (DWORD_PTR)UserShowCursor((BOOL)Param) );
 191
 192       case ONEPARAM_ROUTINE_GETDESKTOPMAPPING:
 193          {
 194              PTHREADINFO ti;
 195              ti = GetW32ThreadInfo();
 196              if (ti != NULL)
 197              {
 198                 /* Try convert the pointer to a user mode pointer if the desktop is
 199                    mapped into the process */
 200                 RETURN((DWORD_PTR)DesktopHeapAddressToUser((PVOID)Param));
 201              }
 202              else
 203              {
 204                 RETURN(0);
 205              }
 206          }
 207
 208       case ONEPARAM_ROUTINE_WINDOWFROMDC:
 209          RETURN( (DWORD_PTR)IntWindowFromDC((HDC)Param));
 210
 211       case ONEPARAM_ROUTINE_SWAPMOUSEBUTTON:
 212          {
 213             DWORD_PTR Result;
 214
 215             Result = gspv.bMouseBtnSwap;
 216             gspv.bMouseBtnSwap = Param ? TRUE : FALSE;
 217             gpsi->aiSysMet[SM_SWAPBUTTON] = gspv.bMouseBtnSwap;
 218             RETURN(Result);
 219          }
 220
 221       case ONEPARAM_ROUTINE_SETCARETBLINKTIME:
 222          RETURN( (DWORD_PTR)IntSetCaretBlinkTime((UINT)Param));
 223
 224       case ONEPARAM_ROUTINE_SETMESSAGEEXTRAINFO:
 225          RETURN( (DWORD_PTR)MsqSetMessageExtraInfo((LPARAM)Param));
 226
 227       case ONEPARAM_ROUTINE_CREATEEMPTYCUROBJECT:
 228          {
 229                         DWORD_PTR Result ;
 230
 231             if (!(Result = (DWORD_PTR)IntCreateCurIconHandle((DWORD)Param)))
 232             {
 233                EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
 234                RETURN(0);
 235             }
 236                         RETURN(Result);
 237          }
 238
 239       case ONEPARAM_ROUTINE_ENABLEPROCWNDGHSTING:
 240          {
 241             BOOL Enable;
 242             PPROCESSINFO Process = PsGetCurrentProcessWin32Process();
 243
 244             if(Process != NULL)
 245             {
 246                Enable = (BOOL)(Param != 0);
 247
 248                if(Enable)
 249                {
 250                   Process->W32PF_flags &= ~W32PF_NOWINDOWGHOSTING;
 251                }
 252                else
 253                {
 254                   Process->W32PF_flags |= W32PF_NOWINDOWGHOSTING;
 255                }
 256
 257                RETURN( TRUE);
 258             }
 259
 260             RETURN( FALSE);
 261          }
 262
 263       case ONEPARAM_ROUTINE_GETINPUTEVENT:
 264          RETURN( (DWORD_PTR)IntMsqSetWakeMask(Param));
 265
 266       case ONEPARAM_ROUTINE_GETKEYBOARDTYPE:
 267          RETURN( UserGetKeyboardType(Param));
 268
 269       case ONEPARAM_ROUTINE_GETKEYBOARDLAYOUT:
 270          RETURN( (DWORD_PTR)UserGetKeyboardLayout(Param));
 271
 272       case ONEPARAM_ROUTINE_RELEASEDC:
 273          RETURN (UserReleaseDC(NULL, (HDC) Param, FALSE));
 274
 275       case ONEPARAM_ROUTINE_REALIZEPALETTE:
 276          RETURN (UserRealizePalette((HDC) Param));
 277
 278       case ONEPARAM_ROUTINE_GETQUEUESTATUS:
 279       {
 280          RETURN (IntGetQueueStatus((DWORD)Param));
 281       }
 282       case ONEPARAM_ROUTINE_ENUMCLIPBOARDFORMATS:
 283          /* FIXME: Should use UserEnterShared */
 284          RETURN(UserEnumClipboardFormats(Param));
 285
 286       case ONEPARAM_ROUTINE_GETCURSORPOS:
 287       {
 288           BOOL Ret = TRUE;
 289           PPOINTL pptl;
 290           PTHREADINFO pti = PsGetCurrentThreadWin32Thread();
 291           if (pti->rpdesk != IntGetActiveDesktop()) RETURN(FALSE);
 292           _SEH2_TRY
 293           {
 294               ProbeForWrite((POINT*)Param,sizeof(POINT),1);
 295              pptl = (PPOINTL)Param;
 296              *pptl = gpsi->ptCursor;
 297           }
 298           _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
 299           {
 300              Ret = FALSE;
 301           }
 302           _SEH2_END;
 303           RETURN(Ret);
 304       }
 305       case ONEPARAM_ROUTINE_SETPROCDEFLAYOUT:
 306       {
 307           PPROCESSINFO ppi;
 308           if (Param & LAYOUT_ORIENTATIONMASK)
 309           {
 310              ppi = PsGetCurrentProcessWin32Process();
 311              ppi->dwLayout = Param;
 312              RETURN(TRUE);
 313           }
 314           EngSetLastError(ERROR_INVALID_PARAMETER);
 315           RETURN(FALSE);
 316       }
 317       case ONEPARAM_ROUTINE_GETPROCDEFLAYOUT:
 318       {
 319           BOOL Ret = TRUE;
 320           PPROCESSINFO ppi;
 321           PDWORD pdwLayout;
 322           if ( PsGetCurrentProcess() == gpepCSRSS)
 323           {
 324              EngSetLastError(ERROR_INVALID_ACCESS);
 325              RETURN(FALSE);
 326           }
 327           ppi = PsGetCurrentProcessWin32Process();
 328           _SEH2_TRY
 329           {
 330              pdwLayout = (PDWORD)Param;
 331              *pdwLayout = ppi->dwLayout;
 332           }
 333           _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
 334           {
 335              SetLastNtError(_SEH2_GetExceptionCode());
 336              Ret = FALSE;
 337           }
 338           _SEH2_END;
 339           RETURN(Ret);
 340       }
 341       case ONEPARAM_ROUTINE_REPLYMESSAGE:
 342           RETURN (co_MsqReplyMessage((LRESULT) Param));
 343       case ONEPARAM_ROUTINE_MESSAGEBEEP:
 344           /* TODO: Implement sound sentry */
 345           RETURN ( UserPostMessage(hwndSAS, WM_LOGONNOTIFY, LN_MESSAGE_BEEP, Param) );
 346       case ONEPARAM_ROUTINE_CREATESYSTEMTHREADS:
 347           RETURN(CreateSystemThreads(Param));
 348       case ONEPARAM_ROUTINE_LOCKFOREGNDWINDOW:
 349           RETURN( (DWORD_PTR)IntLockSetForegroundWindow(Param));
 350       case ONEPARAM_ROUTINE_ALLOWSETFOREGND:
 351           RETURN( (DWORD_PTR)IntAllowSetForegroundWindow(Param));
 352    }
 353    ERR("Calling invalid routine number 0x%x in NtUserCallOneParam(), Param=0x%x\n",
 354            Routine, Param);
 355    EngSetLastError(ERROR_INVALID_PARAMETER);
 356    RETURN( 0);
 357
 358 CLEANUP:
 359    TRACE("Leave NtUserCallOneParam, ret=%p\n", (PVOID)_ret_);
 360    UserLeave();
 361    END_CLEANUP;
 362 }
 363
 364
 365 /*
 366  * @implemented
 367  */
 368 DWORD_PTR
 369 APIENTRY
 370 NtUserCallTwoParam(
 371    DWORD_PTR Param1,
 372    DWORD_PTR Param2,
 373    DWORD Routine)
 374 {
 375    PWND Window;
 376    DECLARE_RETURN(DWORD_PTR);
 377
 378    TRACE("Enter NtUserCallTwoParam\n");
 379    UserEnterExclusive();
 380
 381    switch(Routine)
 382    {
 383       case TWOPARAM_ROUTINE_SETMENUBARHEIGHT:
 384          {
 385             DWORD_PTR Ret;
 386             PMENU MenuObject = IntGetMenuObject((HMENU)Param1);
 387             if(!MenuObject)
 388                RETURN( 0);
 389
 390             if(Param2 > 0)
 391             {
 392                Ret = (MenuObject->cyMenu == (int)Param2);
 393                MenuObject->cyMenu = (int)Param2;
 394             }
 395             else
 396                Ret = (DWORD_PTR)MenuObject->cyMenu;
 397             IntReleaseMenuObject(MenuObject);
 398             RETURN( Ret);
 399          }
 400
 401       case TWOPARAM_ROUTINE_SETGUITHRDHANDLE:
 402          {
 403             PTHREADINFO pti = (PTHREADINFO)PsGetCurrentThreadWin32Thread();
 404             ASSERT(pti->MessageQueue);
 405             RETURN( (DWORD_PTR)MsqSetStateWindow(pti, (ULONG)Param1, (HWND)Param2));
 406          }
 407
 408       case TWOPARAM_ROUTINE_ENABLEWINDOW:
 409          RETURN( IntEnableWindow((HWND)Param1, (BOOL)Param2));
 410
 411       case TWOPARAM_ROUTINE_SHOWOWNEDPOPUPS:
 412       {
 413          Window = UserGetWindowObject((HWND)Param1);
 414          if (!Window) RETURN(0);
 415
 416          RETURN( (DWORD_PTR)IntShowOwnedPopups(Window, (BOOL) Param2));
 417       }
 418
 419       case TWOPARAM_ROUTINE_ROS_UPDATEUISTATE:
 420       {
 421           WPARAM wParam;
 422           Window = UserGetWindowObject((HWND)Param1);
 423           if (!Window) RETURN(0);
 424
 425           /* Unpack wParam */
 426           wParam = MAKEWPARAM((Param2 >> 3) & 0x3,
 427                               Param2 & (UISF_HIDEFOCUS | UISF_HIDEACCEL | UISF_ACTIVE));
 428
 429           RETURN( UserUpdateUiState(Window, wParam) );
 430       }
 431
 432       case TWOPARAM_ROUTINE_SWITCHTOTHISWINDOW:
 433          STUB
 434          RETURN( 0);
 435
 436       case TWOPARAM_ROUTINE_SETCARETPOS:
 437          RETURN( (DWORD_PTR)co_IntSetCaretPos((int)Param1, (int)Param2));
 438
 439       case TWOPARAM_ROUTINE_REGISTERLOGONPROCESS:
 440          RETURN( (DWORD_PTR)co_IntRegisterLogonProcess((HANDLE)Param1, (BOOL)Param2));
 441
 442       case TWOPARAM_ROUTINE_SETCURSORPOS:
 443          RETURN( (DWORD_PTR)UserSetCursorPos((int)Param1, (int)Param2, 0, 0, FALSE));
 444
 445       case TWOPARAM_ROUTINE_UNHOOKWINDOWSHOOK:
 446          RETURN( IntUnhookWindowsHook((int)Param1, (HOOKPROC)Param2));
 447    }
 448    ERR("Calling invalid routine number 0x%x in NtUserCallTwoParam(), Param1=0x%x Parm2=0x%x\n",
 449            Routine, Param1, Param2);
 450    EngSetLastError(ERROR_INVALID_PARAMETER);
 451    RETURN( 0);
 452
 453 CLEANUP:
 454    TRACE("Leave NtUserCallTwoParam, ret=%p\n", (PVOID)_ret_);
 455    UserLeave();
 456    END_CLEANUP;
 457 }
 458
 459
 460 /*
 461  * @unimplemented
 462  */
 463 BOOL
 464 APIENTRY
 465 NtUserCallHwndLock(
 466    HWND hWnd,
 467    DWORD Routine)
 468 {
 469    BOOL Ret = 0;
 470    PWND Window;
 471    USER_REFERENCE_ENTRY Ref;
 472    DECLARE_RETURN(BOOLEAN);
 473
 474    TRACE("Enter NtUserCallHwndLock\n");
 475    UserEnterExclusive();
 476
 477    if (!(Window = UserGetWindowObject(hWnd)))
 478    {
 479       RETURN( FALSE);
 480    }
 481    UserRefObjectCo(Window, &Ref);
 482
 483    /* FIXME: Routine can be 0x53 - 0x5E */
 484    switch (Routine)
 485    {
 486       case HWNDLOCK_ROUTINE_ARRANGEICONICWINDOWS:
 487          co_WinPosArrangeIconicWindows(Window);
 488          break;
 489
 490       case HWNDLOCK_ROUTINE_DRAWMENUBAR:
 491          {
 492             TRACE("HWNDLOCK_ROUTINE_DRAWMENUBAR\n");
 493             Ret = TRUE;
 494             if ((Window->style & (WS_CHILD | WS_POPUP)) != WS_CHILD)
 495                co_WinPosSetWindowPos( Window,
 496                                       HWND_DESKTOP,
 497                                       0,0,0,0,
 498                                       SWP_NOSIZE|
 499                                       SWP_NOMOVE|
 500                                       SWP_NOZORDER|
 501                                       SWP_NOACTIVATE|
 502                                       SWP_FRAMECHANGED );
 503             break;
 504          }
 505
 506       case HWNDLOCK_ROUTINE_REDRAWFRAME:
 507          co_WinPosSetWindowPos( Window,
 508                                 HWND_DESKTOP,
 509                                 0,0,0,0,
 510                                 SWP_NOSIZE|
 511                                 SWP_NOMOVE|
 512                                 SWP_NOZORDER|
 513                                 SWP_NOACTIVATE|
 514                                 SWP_FRAMECHANGED );
 515          Ret = TRUE;
 516          break;
 517
 518       case HWNDLOCK_ROUTINE_REDRAWFRAMEANDHOOK:
 519          co_WinPosSetWindowPos( Window,
 520                                 HWND_DESKTOP,
 521                                 0,0,0,0,
 522                                 SWP_NOSIZE|
 523                                 SWP_NOMOVE|
 524                                 SWP_NOZORDER|
 525                                 SWP_NOACTIVATE|
 526                                 SWP_FRAMECHANGED );
 527          if (!Window->spwndOwner && !IntGetParent(Window))
 528          {
 529             co_IntShellHookNotify(HSHELL_REDRAW, (WPARAM) hWnd, FALSE); // FIXME Flashing?
 530          }
 531          Ret = TRUE;
 532          break;
 533
 534       case HWNDLOCK_ROUTINE_SETFOREGROUNDWINDOW:
 535          TRACE("co_IntSetForegroundWindow 1 0x%p\n",hWnd);
 536          Ret = co_IntSetForegroundWindow(Window);
 537          TRACE("co_IntSetForegroundWindow 2 0x%p\n",hWnd);
 538          break;
 539
 540       case HWNDLOCK_ROUTINE_SETFOREGROUNDWINDOWMOUSE:
 541          TRACE("co_IntSetForegroundWindow M 1 0x%p\n",hWnd);
 542          Ret = co_IntSetForegroundWindowMouse(Window);
 543          TRACE("co_IntSetForegroundWindow M 2 0x%p\n",hWnd);
 544          break;
 545
 546       case HWNDLOCK_ROUTINE_UPDATEWINDOW:
 547          co_IntUpdateWindows(Window, RDW_ALLCHILDREN, FALSE);
 548          Ret = TRUE;
 549          break;
 550    }
 551
 552    UserDerefObjectCo(Window);
 553
 554    RETURN( Ret);
 555
 556 CLEANUP:
 557    TRACE("Leave NtUserCallHwndLock, ret=%u\n",_ret_);
 558    UserLeave();
 559    END_CLEANUP;
 560 }
 561
 562 /*
 563  * @unimplemented
 564  */
 565 HWND
 566 APIENTRY
 567 NtUserCallHwndOpt(
 568    HWND hWnd,
 569    DWORD Routine)
 570 {
 571    switch (Routine)
 572    {
 573       case HWNDOPT_ROUTINE_SETPROGMANWINDOW:
 574          GetW32ThreadInfo()->pDeskInfo->hProgmanWindow = hWnd;
 575          break;
 576
 577       case HWNDOPT_ROUTINE_SETTASKMANWINDOW:
 578          GetW32ThreadInfo()->pDeskInfo->hTaskManWindow = hWnd;
 579          break;
 580    }
 581
 582    return hWnd;
 583 }
 584
 585 DWORD
 586 APIENTRY
 587 NtUserCallHwnd(
 588    HWND hWnd,
 589    DWORD Routine)
 590 {
 591    switch (Routine)
 592    {
 593       case HWND_ROUTINE_GETWNDCONTEXTHLPID:
 594       {
 595          PWND Window;
 596          PPROPERTY HelpId;
 597          USER_REFERENCE_ENTRY Ref;
 598
 599          UserEnterExclusive();
 600
 601          if (!(Window = UserGetWindowObject(hWnd)))
 602          {
 603             UserLeave();
 604             return 0;
 605          }
 606          UserRefObjectCo(Window, &Ref);
 607
 608          HelpId = IntGetProp(Window, gpsi->atomContextHelpIdProp);
 609
 610          UserDerefObjectCo(Window);
 611          UserLeave();
 612          return (DWORD)HelpId->Data;
 613       }
 614       case HWND_ROUTINE_REGISTERSHELLHOOKWINDOW:
 615          if (IntIsWindow(hWnd))
 616             return IntRegisterShellHookWindow(hWnd);
 617          return FALSE;
 618          break;
 619       case HWND_ROUTINE_DEREGISTERSHELLHOOKWINDOW:
 620          if (IntIsWindow(hWnd))
 621             return IntDeRegisterShellHookWindow(hWnd);
 622          return FALSE;
 623       case HWND_ROUTINE_SETMSGBOX:
 624       {
 625          PWND Window;
 626          UserEnterExclusive();
 627          if ((Window = UserGetWindowObject(hWnd)))
 628          {
 629             Window->state |= WNDS_MSGBOX;
 630          }
 631          UserLeave();
 632          return FALSE;
 633       }
 634    }
 635    STUB;
 636
 637    return 0;
 638 }
 639
 640 DWORD
 641 APIENTRY
 642 NtUserCallHwndParam(
 643    HWND hWnd,
 644    DWORD Param,
 645    DWORD Routine)
 646 {
 647
 648    switch (Routine)
 649    {
 650       case HWNDPARAM_ROUTINE_KILLSYSTEMTIMER:
 651           return IntKillTimer(UserGetWindowObject(hWnd), (UINT_PTR)Param, TRUE);
 652
 653       case HWNDPARAM_ROUTINE_SETWNDCONTEXTHLPID:
 654       {
 655          PWND Window;
 656
 657          UserEnterExclusive();
 658          if(!(Window = UserGetWindowObject(hWnd)))
 659          {
 660             UserLeave();
 661             return FALSE;
 662          }
 663
 664          if ( Param )
 665             IntSetProp(Window, gpsi->atomContextHelpIdProp, (HANDLE)Param);
 666          else
 667             IntRemoveProp(Window, gpsi->atomContextHelpIdProp);
 668
 669          UserLeave();
 670          return TRUE;
 671       }
 672
 673       case HWNDPARAM_ROUTINE_SETDIALOGPOINTER:
 674       {
 675          PWND pWnd;
 676          USER_REFERENCE_ENTRY Ref;
 677
 678          UserEnterExclusive();
 679
 680          if (!(pWnd = UserGetWindowObject(hWnd)))
 681          {
 682             UserLeave();
 683             return 0;
 684          }
 685          UserRefObjectCo(pWnd, &Ref);
 686
 687          if (pWnd->head.pti->ppi == PsGetCurrentProcessWin32Process() &&
 688              pWnd->cbwndExtra == DLGWINDOWEXTRA &&
 689              !(pWnd->state & WNDS_SERVERSIDEWINDOWPROC))
 690          {
 691             if (Param)
 692             {
 693                if (!pWnd->fnid) pWnd->fnid = FNID_DIALOG;
 694                pWnd->state |= WNDS_DIALOGWINDOW;
 695             }
 696             else
 697             {
 698                pWnd->fnid |= FNID_DESTROY;
 699                pWnd->state &= ~WNDS_DIALOGWINDOW;
 700             }
 701          }
 702
 703          UserDerefObjectCo(pWnd);
 704          UserLeave();
 705          return 0;
 706       }
 707
 708       case HWNDPARAM_ROUTINE_ROS_NOTIFYWINEVENT:
 709       {
 710          PWND pWnd;
 711          PNOTIFYEVENT pne;
 712          UserEnterExclusive();
 713          pne = (PNOTIFYEVENT)Param;
 714          if (hWnd)
 715             pWnd = UserGetWindowObject(hWnd);
 716          else
 717             pWnd = NULL;
 718          IntNotifyWinEvent(pne->event, pWnd, pne->idObject, pne->idChild, pne->flags);
 719          UserLeave();
 720          return 0;
 721       }
 722       case HWNDPARAM_ROUTINE_CLEARWINDOWSTATE:
 723       {
 724          PWND pWnd;
 725          UserEnterExclusive();
 726          pWnd = UserGetWindowObject(hWnd);
 727          if (pWnd) IntClearWindowState(pWnd, (UINT)Param);
 728          UserLeave();
 729          return 0;
 730       }
 731       case HWNDPARAM_ROUTINE_SETWINDOWSTATE:
 732       {
 733          PWND pWnd;
 734          UserEnterExclusive();
 735          pWnd = UserGetWindowObject(hWnd);
 736          if (pWnd) IntSetWindowState(pWnd, (UINT)Param);
 737          UserLeave();
 738          return 0;
 739       }
 740    }
 741
 742    STUB;
 743
 744    return 0;
 745 }
 746
 747 DWORD
 748 APIENTRY
 749 NtUserCallHwndParamLock(
 750    HWND hWnd,
 751    DWORD Param,
 752    DWORD Routine)
 753 {
 754    DWORD Ret = 0;
 755    PWND Window;
 756    USER_REFERENCE_ENTRY Ref;
 757    DECLARE_RETURN(DWORD);
 758
 759    TRACE("Enter NtUserCallHwndParamLock\n");
 760    UserEnterExclusive();
 761
 762    if (!(Window = UserGetWindowObject(hWnd)))
 763    {
 764       RETURN( FALSE);
 765    }
 766    UserRefObjectCo(Window, &Ref);
 767
 768    switch (Routine)
 769    {
 770       case TWOPARAM_ROUTINE_VALIDATERGN:
 771       {
 772           PREGION Rgn = REGION_LockRgn((HRGN)Param);
 773           if (Rgn)
 774           {
 775               Ret = (DWORD)co_UserRedrawWindow( Window, NULL, Rgn, RDW_VALIDATE);
 776               REGION_UnlockRgn(Rgn);
 777           }
 778           break;
 779       }
 780    }
 781
 782    UserDerefObjectCo(Window);
 783
 784    RETURN( Ret);
 785
 786 CLEANUP:
 787    TRACE("Leave NtUserCallHwndParamLock, ret=%lu\n",_ret_);
 788    UserLeave();
 789    END_CLEANUP;
 790
 791 }
 792
 793 /* EOF */