xref: /reactos/win32ss/user/ntuser/simplecall.c (revision 3f976713) 
1 /*
2  * COPYRIGHT:        See COPYING in the top level directory
3  * PROJECT:          ReactOS kernel
4  * PURPOSE:          NtUserCallXxx call stubs
5  * FILE:             win32ss/user/ntuser/simplecall.c
6  * PROGRAMERS:       Ge van Geldorp (ge@gse.nl)
7  *                   Katayama Hirofumi MZ (katayama.hirofumi.mz@gmail.com)
8  */
9 
10 #include <win32k.h>
11 
12 DBG_DEFAULT_CHANNEL(UserMisc);
13 
14 /* Registered logon process ID */
15 HANDLE gpidLogon = 0;
16 
17 BOOL FASTCALL
18 co_IntRegisterLogonProcess(HANDLE ProcessId, BOOL Register)
19 {
20     NTSTATUS Status;
21     PEPROCESS Process;
22 
23     Status = PsLookupProcessByProcessId(ProcessId, &Process);
24     if (!NT_SUCCESS(Status))
25     {
26         EngSetLastError(RtlNtStatusToDosError(Status));
27         return FALSE;
28     }
29 
30     ProcessId = Process->UniqueProcessId;
31 
32     ObDereferenceObject(Process);
33 
34     if (Register)
35     {
36         /* Register the logon process */
37         if (gpidLogon != 0)
38             return FALSE;
39 
40         gpidLogon = ProcessId;
41     }
42     else
43     {
44         /* Deregister the logon process */
45         if (gpidLogon != ProcessId)
46             return FALSE;
47 
48         gpidLogon = 0;
49     }
50 
51     return TRUE;
52 }
53 
54 /*
55  * @unimplemented
56  */
57 DWORD_PTR
58 APIENTRY
59 NtUserCallNoParam(DWORD Routine)
60 {
61     DWORD_PTR Result = 0;
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             Result = (DWORD_PTR)IntMsqClearWakeMask();
90             break;
91 
92         case NOPARAM_ROUTINE_GETMSESSAGEPOS:
93         {
94             PTHREADINFO pti = PsGetCurrentThreadWin32Thread();
95             Result = (DWORD_PTR)MAKELONG(pti->ptLast.x, pti->ptLast.y);
96             break;
97         }
98 
99         case NOPARAM_ROUTINE_RELEASECAPTURE:
100             Result = (DWORD_PTR)IntReleaseCapture();
101             break;
102 
103         case NOPARAM_ROUTINE_LOADUSERAPIHOOK:
104             Result = UserLoadApiHook();
105             break;
106 
107         case NOPARAM_ROUTINE_ZAPACTIVEANDFOUS:
108         {
109             PTHREADINFO pti = PsGetCurrentThreadWin32Thread();
110             TRACE("Zapping the Active and Focus window out of the Queue!\n");
111             pti->MessageQueue->spwndFocus = NULL;
112             pti->MessageQueue->spwndActive = NULL;
113             Result = 0;
114             break;
115         }
116 
117         /* this is a ReactOS only case and is needed for gui-on-demand */
118         case NOPARAM_ROUTINE_ISCONSOLEMODE:
119             Result = (ScreenDeviceContext == NULL);
120             break;
121 
122         case NOPARAM_ROUTINE_UPDATEPERUSERIMMENABLING:
123             gpsi->dwSRVIFlags |= SRVINFO_IMM32; // Always set.
124             Result = TRUE; // Always return TRUE.
125             break;
126 
127         default:
128             ERR("Calling invalid routine number 0x%x in NtUserCallNoParam\n", Routine);
129             EngSetLastError(ERROR_INVALID_PARAMETER);
130             break;
131     }
132 
133     TRACE("Leave NtUserCallNoParam, ret=%p\n",(PVOID)Result);
134     UserLeave();
135 
136     return Result;
137 }
138 
139 
140 /*
141  * @implemented
142  */
143 DWORD_PTR
144 APIENTRY
145 NtUserCallOneParam(
146     DWORD_PTR Param,
147     DWORD Routine)
148 {
149     DWORD_PTR Result;
150 
151     TRACE("Enter NtUserCallOneParam\n");
152 
153     UserEnterExclusive();
154 
155     switch (Routine)
156     {
157         case ONEPARAM_ROUTINE_POSTQUITMESSAGE:
158         {
159             PTHREADINFO pti;
160             pti = PsGetCurrentThreadWin32Thread();
161             MsqPostQuitMessage(pti, Param);
162             Result = TRUE;
163             break;
164         }
165 
166         case ONEPARAM_ROUTINE_BEGINDEFERWNDPOS:
167         {
168             PSMWP psmwp;
169             HDWP hDwp = NULL;
170             INT count = (INT)Param;
171 
172             if (count < 0)
173             {
174                 EngSetLastError(ERROR_INVALID_PARAMETER);
175                 Result = 0;
176                 break;
177             }
178 
179             /* Windows allows zero count, in which case it allocates context for 8 moves */
180             if (count == 0) count = 8;
181 
182             psmwp = (PSMWP)UserCreateObject(gHandleTable,
183                                             NULL,
184                                             NULL,
185                                             (PHANDLE)&hDwp,
186                                             TYPE_SETWINDOWPOS,
187                                             sizeof(SMWP));
188             if (!psmwp)
189             {
190                 Result = 0;
191                 break;
192             }
193 
194             psmwp->acvr = ExAllocatePoolWithTag(PagedPool, count * sizeof(CVR), USERTAG_SWP);
195             if (!psmwp->acvr)
196             {
197                 UserDeleteObject(hDwp, TYPE_SETWINDOWPOS);
198                 Result = 0;
199                 break;
200             }
201 
202             RtlZeroMemory(psmwp->acvr, count * sizeof(CVR));
203             psmwp->bHandle = TRUE;
204             psmwp->ccvr = 0;          // actualCount
205             psmwp->ccvrAlloc = count; // suggestedCount
206             Result = (DWORD_PTR)hDwp;
207             break;
208         }
209 
210         case ONEPARAM_ROUTINE_SHOWCURSOR:
211             Result = (DWORD_PTR)UserShowCursor((BOOL)Param);
212             break;
213 
214         case ONEPARAM_ROUTINE_GETDESKTOPMAPPING:
215         {
216             PTHREADINFO ti;
217             ti = GetW32ThreadInfo();
218             if (ti != NULL)
219             {
220                 /* Try convert the pointer to a user mode pointer if the desktop is
221                    mapped into the process */
222                 Result = (DWORD_PTR)DesktopHeapAddressToUser((PVOID)Param);
223             }
224             else
225             {
226                 Result = 0;
227             }
228             break;
229         }
230 
231         case ONEPARAM_ROUTINE_WINDOWFROMDC:
232             Result = (DWORD_PTR)IntWindowFromDC((HDC)Param);
233             break;
234 
235         case ONEPARAM_ROUTINE_SWAPMOUSEBUTTON:
236         {
237             Result = gspv.bMouseBtnSwap;
238             gspv.bMouseBtnSwap = Param ? TRUE : FALSE;
239             gpsi->aiSysMet[SM_SWAPBUTTON] = gspv.bMouseBtnSwap;
240             break;
241         }
242 
243         case ONEPARAM_ROUTINE_SETCARETBLINKTIME:
244             Result = (DWORD_PTR)IntSetCaretBlinkTime((UINT)Param);
245             break;
246 
247         case ONEPARAM_ROUTINE_SETMESSAGEEXTRAINFO:
248             Result = (DWORD_PTR)MsqSetMessageExtraInfo((LPARAM)Param);
249             break;
250 
251         case ONEPARAM_ROUTINE_CREATEEMPTYCUROBJECT:
252         {
253             if (!(Result = (DWORD_PTR)IntCreateCurIconHandle((DWORD)Param)))
254             {
255                 EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
256                 Result = 0;
257             }
258             break;
259         }
260 
261         case ONEPARAM_ROUTINE_ENABLEPROCWNDGHSTING:
262         {
263             BOOL Enable;
264             PPROCESSINFO Process = PsGetCurrentProcessWin32Process();
265 
266             if (Process != NULL)
267             {
268                 Enable = (BOOL)(Param != 0);
269 
270                 if (Enable)
271                 {
272                     Process->W32PF_flags &= ~W32PF_NOWINDOWGHOSTING;
273                 }
274                 else
275                 {
276                     Process->W32PF_flags |= W32PF_NOWINDOWGHOSTING;
277                 }
278 
279                 Result = TRUE;
280                 break;
281             }
282 
283             Result = FALSE;
284             break;
285         }
286 
287         case ONEPARAM_ROUTINE_GETINPUTEVENT:
288             Result = (DWORD_PTR)IntMsqSetWakeMask(Param);
289             break;
290 
291         case ONEPARAM_ROUTINE_GETKEYBOARDTYPE:
292             Result = UserGetKeyboardType(Param);
293             break;
294 
295         case ONEPARAM_ROUTINE_GETKEYBOARDLAYOUT:
296             Result = (DWORD_PTR)UserGetKeyboardLayout(Param);
297             break;
298 
299         case ONEPARAM_ROUTINE_RELEASEDC:
300             Result = UserReleaseDC(NULL, (HDC) Param, FALSE);
301             break;
302 
303         case ONEPARAM_ROUTINE_REALIZEPALETTE:
304             Result = UserRealizePalette((HDC) Param);
305             break;
306 
307         case ONEPARAM_ROUTINE_GETQUEUESTATUS:
308         {
309             Result = IntGetQueueStatus((DWORD)Param);
310             break;
311         }
312 
313         case ONEPARAM_ROUTINE_ENUMCLIPBOARDFORMATS:
314             /* FIXME: Should use UserEnterShared */
315             Result = UserEnumClipboardFormats(Param);
316             break;
317 
318         case ONEPARAM_ROUTINE_GETCURSORPOS:
319         {
320             PPOINTL pptl;
321             PTHREADINFO pti = PsGetCurrentThreadWin32Thread();
322             Result = TRUE;
323             if (pti->rpdesk != IntGetActiveDesktop())
324             {
325                 Result = FALSE;
326                 break;
327             }
328             _SEH2_TRY
329             {
330                 ProbeForWrite((POINT*)Param,sizeof(POINT),1);
331                pptl = (PPOINTL)Param;
332                *pptl = gpsi->ptCursor;
333             }
334             _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
335             {
336                 Result = FALSE;
337             }
338             _SEH2_END;
339             break;
340         }
341 
342         case ONEPARAM_ROUTINE_SETPROCDEFLAYOUT:
343         {
344             PPROCESSINFO ppi;
345             if (Param & LAYOUT_ORIENTATIONMASK || Param == LAYOUT_LTR)
346             {
347                 ppi = PsGetCurrentProcessWin32Process();
348                 ppi->dwLayout = Param;
349                 Result = TRUE;
350                 break;
351             }
352             EngSetLastError(ERROR_INVALID_PARAMETER);
353             Result = FALSE;
354             break;
355         }
356 
357         case ONEPARAM_ROUTINE_GETPROCDEFLAYOUT:
358         {
359             PPROCESSINFO ppi;
360             PDWORD pdwLayout;
361             Result = TRUE;
362 
363             if (PsGetCurrentProcess() == gpepCSRSS)
364             {
365                 EngSetLastError(ERROR_INVALID_ACCESS);
366                 Result = FALSE;
367                 break;
368             }
369 
370             ppi = PsGetCurrentProcessWin32Process();
371             _SEH2_TRY
372             {
373                pdwLayout = (PDWORD)Param;
374                *pdwLayout = ppi->dwLayout;
375             }
376             _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
377             {
378                 SetLastNtError(_SEH2_GetExceptionCode());
379                 Result = FALSE;
380             }
381             _SEH2_END;
382             break;
383         }
384 
385         case ONEPARAM_ROUTINE_REPLYMESSAGE:
386             Result = co_MsqReplyMessage((LRESULT)Param);
387             break;
388 
389         case ONEPARAM_ROUTINE_MESSAGEBEEP:
390             /* TODO: Implement sound sentry */
391             Result = UserPostMessage(hwndSAS, WM_LOGONNOTIFY, LN_MESSAGE_BEEP, Param);
392            break;
393 
394         case ONEPARAM_ROUTINE_CREATESYSTEMTHREADS:
395             Result = UserSystemThreadProc(Param);
396             break;
397 
398         case ONEPARAM_ROUTINE_LOCKFOREGNDWINDOW:
399             Result = (DWORD_PTR)IntLockSetForegroundWindow(Param);
400             break;
401 
402         case ONEPARAM_ROUTINE_ALLOWSETFOREGND:
403             Result = (DWORD_PTR)IntAllowSetForegroundWindow(Param);
404             break;
405 
406         default:
407             ERR("Calling invalid routine number 0x%x in NtUserCallOneParam(), Param=0x%x\n",
408                 Routine, Param);
409             EngSetLastError(ERROR_INVALID_PARAMETER);
410             Result = 0;
411             break;
412     }
413 
414    TRACE("Leave NtUserCallOneParam, ret=%p\n", (PVOID)Result);
415    UserLeave();
416 
417    return Result;
418 }
419 
420 
421 /*
422  * @implemented
423  */
424 DWORD_PTR
425 APIENTRY
426 NtUserCallTwoParam(
427     DWORD_PTR Param1,
428     DWORD_PTR Param2,
429     DWORD Routine)
430 {
431     PWND Window;
432     DWORD_PTR Ret;
433     TRACE("Enter NtUserCallTwoParam\n");
434     UserEnterExclusive();
435 
436     switch (Routine)
437     {
438         case TWOPARAM_ROUTINE_REDRAWTITLE:
439         {
440             Window = UserGetWindowObject((HWND)Param1);
441             Ret = (DWORD_PTR)UserPaintCaption(Window, (INT)Param2);
442             break;
443         }
444 
445         case TWOPARAM_ROUTINE_SETMENUBARHEIGHT:
446         {
447             PMENU MenuObject = IntGetMenuObject((HMENU)Param1);
448             if (!MenuObject)
449             {
450                 Ret = 0;
451                 break;
452             }
453 
454             if (Param2 > 0)
455             {
456                 Ret = (MenuObject->cyMenu == (int)Param2);
457                 MenuObject->cyMenu = (int)Param2;
458             }
459             else
460                 Ret = (DWORD_PTR)MenuObject->cyMenu;
461             IntReleaseMenuObject(MenuObject);
462             break;
463         }
464 
465         case TWOPARAM_ROUTINE_SETGUITHRDHANDLE:
466         {
467             PTHREADINFO pti = (PTHREADINFO)PsGetCurrentThreadWin32Thread();
468             ASSERT(pti->MessageQueue);
469             Ret = (DWORD_PTR)MsqSetStateWindow(pti, (ULONG)Param1, (HWND)Param2);
470             break;
471         }
472 
473         case TWOPARAM_ROUTINE_ENABLEWINDOW:
474             Ret = IntEnableWindow((HWND)Param1, (BOOL)Param2);
475             break;
476 
477         case TWOPARAM_ROUTINE_SHOWOWNEDPOPUPS:
478         {
479             Window = UserGetWindowObject((HWND)Param1);
480             if (!Window)
481             {
482                 Ret = 0;
483                 break;
484             }
485 
486             Ret = (DWORD_PTR)IntShowOwnedPopups(Window, (BOOL)Param2);
487             break;
488         }
489 
490         case TWOPARAM_ROUTINE_ROS_UPDATEUISTATE:
491         {
492             WPARAM wParam;
493             Window = UserGetWindowObject((HWND)Param1);
494             if (!Window)
495             {
496                 Ret = 0;
497                 break;
498             }
499 
500             /* Unpack wParam */
501             wParam = MAKEWPARAM((Param2 >> 3) & 0x3,
502                                 Param2 & (UISF_HIDEFOCUS | UISF_HIDEACCEL | UISF_ACTIVE));
503 
504             Ret = UserUpdateUiState(Window, wParam);
505             break;
506         }
507 
508         case TWOPARAM_ROUTINE_SWITCHTOTHISWINDOW:
509         {
510             HWND hwnd = (HWND)Param1;
511             BOOL fAltTab = (BOOL)Param2;
512             Ret = 0;
513             Window = UserGetWindowObject(hwnd);
514             if (!Window)
515                 break;
516 
517             if (gpqForeground && !fAltTab)
518             {
519                 PWND pwndActive = gpqForeground->spwndActive;
520                 if (pwndActive && !(pwndActive->ExStyle & WS_EX_TOPMOST))
521                 {
522                     co_WinPosSetWindowPos(pwndActive, HWND_BOTTOM, 0, 0, 0, 0,
523                                           SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE |
524                                           SWP_NOSENDCHANGING | SWP_ASYNCWINDOWPOS);
525                 }
526             }
527 
528             UserSetActiveWindow(Window);
529 
530             if (fAltTab && (Window->style & WS_MINIMIZE))
531             {
532                 MSG msg = { Window->head.h, WM_SYSCOMMAND, SC_RESTORE, 0 };
533                 MsqPostMessage(Window->head.pti, &msg, FALSE, QS_POSTMESSAGE, 0, 0);
534             }
535             break;
536         }
537 
538         case TWOPARAM_ROUTINE_SETCARETPOS:
539             Ret = (DWORD_PTR)co_IntSetCaretPos((int)Param1, (int)Param2);
540             break;
541 
542         case TWOPARAM_ROUTINE_REGISTERLOGONPROCESS:
543             Ret = (DWORD_PTR)co_IntRegisterLogonProcess((HANDLE)Param1, (BOOL)Param2);
544             break;
545 
546         case TWOPARAM_ROUTINE_SETCURSORPOS:
547             Ret = (DWORD_PTR)UserSetCursorPos((int)Param1, (int)Param2, 0, 0, FALSE);
548             break;
549 
550         case TWOPARAM_ROUTINE_UNHOOKWINDOWSHOOK:
551             Ret = IntUnhookWindowsHook((int)Param1, (HOOKPROC)Param2);
552             break;
553 
554         default:
555             ERR("Calling invalid routine number 0x%x in NtUserCallTwoParam(), Param1=0x%x Parm2=0x%x\n",
556                 Routine, Param1, Param2);
557             EngSetLastError(ERROR_INVALID_PARAMETER);
558             Ret = 0;
559     }
560 
561 
562     TRACE("Leave NtUserCallTwoParam, ret=%p\n", (PVOID)Ret);
563     UserLeave();
564 
565     return Ret;
566 }
567 
568 
569 /*
570  * @unimplemented
571  */
572 BOOL
573 APIENTRY
574 NtUserCallHwndLock(
575     HWND hWnd,
576     DWORD Routine)
577 {
578     BOOL Ret = FALSE;
579     PWND Window;
580     USER_REFERENCE_ENTRY Ref;
581 
582     TRACE("Enter NtUserCallHwndLock\n");
583     UserEnterExclusive();
584 
585     if (!(Window = UserGetWindowObject(hWnd)))
586     {
587         Ret = FALSE;
588         goto Exit;
589     }
590 
591     UserRefObjectCo(Window, &Ref);
592 
593     /* FIXME: Routine can be 0x53 - 0x5E */
594     switch (Routine)
595     {
596         case HWNDLOCK_ROUTINE_ARRANGEICONICWINDOWS:
597             co_WinPosArrangeIconicWindows(Window);
598             break;
599 
600         case HWNDLOCK_ROUTINE_DRAWMENUBAR:
601         {
602             TRACE("HWNDLOCK_ROUTINE_DRAWMENUBAR\n");
603             Ret = TRUE;
604             if ((Window->style & (WS_CHILD | WS_POPUP)) != WS_CHILD)
605                 co_WinPosSetWindowPos(Window,
606                                       HWND_DESKTOP,
607                                       0, 0, 0, 0,
608                                       SWP_NOSIZE |
609                                       SWP_NOMOVE |
610                                       SWP_NOZORDER |
611                                       SWP_NOACTIVATE |
612                                       SWP_FRAMECHANGED);
613             break;
614         }
615 
616         case HWNDLOCK_ROUTINE_REDRAWFRAME:
617             co_WinPosSetWindowPos(Window,
618                                   HWND_DESKTOP,
619                                   0, 0, 0, 0,
620                                   SWP_NOSIZE |
621                                   SWP_NOMOVE |
622                                   SWP_NOZORDER |
623                                   SWP_NOACTIVATE |
624                                   SWP_FRAMECHANGED);
625             Ret = TRUE;
626             break;
627 
628         case HWNDLOCK_ROUTINE_REDRAWFRAMEANDHOOK:
629             co_WinPosSetWindowPos(Window,
630                                   HWND_DESKTOP,
631                                   0, 0, 0, 0,
632                                   SWP_NOSIZE |
633                                   SWP_NOMOVE |
634                                   SWP_NOZORDER |
635                                   SWP_NOACTIVATE |
636                                   SWP_FRAMECHANGED);
637             if (!Window->spwndOwner && !IntGetParent(Window))
638             {
639                 co_IntShellHookNotify(HSHELL_REDRAW, (WPARAM)hWnd, FALSE); // FIXME Flashing?
640             }
641             Ret = TRUE;
642             break;
643 
644         case HWNDLOCK_ROUTINE_SETFOREGROUNDWINDOW:
645             TRACE("co_IntSetForegroundWindow 1 0x%p\n", hWnd);
646             Ret = co_IntSetForegroundWindow(Window);
647             TRACE("co_IntSetForegroundWindow 2 0x%p\n", hWnd);
648             break;
649 
650         case HWNDLOCK_ROUTINE_SETFOREGROUNDWINDOWMOUSE:
651             TRACE("co_IntSetForegroundWindow M 1 0x%p\n", hWnd);
652             Ret = co_IntSetForegroundWindowMouse(Window);
653             TRACE("co_IntSetForegroundWindow M 2 0x%p\n", hWnd);
654             break;
655 
656         case HWNDLOCK_ROUTINE_UPDATEWINDOW:
657             co_IntUpdateWindows(Window, RDW_ALLCHILDREN, FALSE);
658             Ret = TRUE;
659             break;
660     }
661 
662     UserDerefObjectCo(Window);
663 
664 Exit:
665     TRACE("Leave NtUserCallHwndLock, ret=%u\n", Ret);
666     UserLeave();
667 
668     return Ret;
669 }
670 
671 /*
672  * @unimplemented
673  */
674 HWND
675 APIENTRY
676 NtUserCallHwndOpt(
677     HWND hWnd,
678     DWORD Routine)
679 {
680     switch (Routine)
681     {
682         case HWNDOPT_ROUTINE_SETPROGMANWINDOW:
683             GetW32ThreadInfo()->pDeskInfo->hProgmanWindow = hWnd;
684             break;
685 
686         case HWNDOPT_ROUTINE_SETTASKMANWINDOW:
687             GetW32ThreadInfo()->pDeskInfo->hTaskManWindow = hWnd;
688             break;
689     }
690 
691     return hWnd;
692 }
693 
694 DWORD
695 APIENTRY
696 NtUserCallHwnd(
697     HWND hWnd,
698     DWORD Routine)
699 {
700     switch (Routine)
701     {
702         case HWND_ROUTINE_GETWNDCONTEXTHLPID:
703         {
704             PWND Window;
705             DWORD HelpId;
706 
707             UserEnterShared();
708 
709             if (!(Window = UserGetWindowObject(hWnd)))
710             {
711                 UserLeave();
712                 return 0;
713             }
714 
715             HelpId = (DWORD)(DWORD_PTR)UserGetProp(Window, gpsi->atomContextHelpIdProp, TRUE);
716 
717             UserLeave();
718             return HelpId;
719         }
720 
721         case HWND_ROUTINE_REGISTERSHELLHOOKWINDOW:
722             if (IntIsWindow(hWnd))
723                 return IntRegisterShellHookWindow(hWnd);
724             return FALSE;
725             break;
726 
727         case HWND_ROUTINE_DEREGISTERSHELLHOOKWINDOW:
728             if (IntIsWindow(hWnd))
729                 return IntDeRegisterShellHookWindow(hWnd);
730             return FALSE;
731 
732         case HWND_ROUTINE_SETMSGBOX:
733         {
734             PWND Window;
735             UserEnterExclusive();
736             if ((Window = UserGetWindowObject(hWnd)))
737             {
738                 Window->state |= WNDS_MSGBOX;
739             }
740             UserLeave();
741             return FALSE;
742         }
743     }
744 
745     STUB;
746 
747     return 0;
748 }
749 
750 DWORD
751 APIENTRY
752 NtUserCallHwndParam(
753     HWND hWnd,
754     DWORD_PTR Param,
755     DWORD Routine)
756 {
757 
758     switch (Routine)
759     {
760         case HWNDPARAM_ROUTINE_KILLSYSTEMTIMER:
761         {
762             DWORD ret;
763 
764             UserEnterExclusive();
765             ret = IntKillTimer(UserGetWindowObject(hWnd), (UINT_PTR)Param, TRUE);
766             UserLeave();
767             return ret;
768         }
769 
770         case HWNDPARAM_ROUTINE_SETWNDCONTEXTHLPID:
771         {
772             PWND Window;
773 
774             UserEnterExclusive();
775             if (!(Window = UserGetWindowObject(hWnd)))
776             {
777                 UserLeave();
778                 return FALSE;
779             }
780 
781             if (Param)
782                 UserSetProp(Window, gpsi->atomContextHelpIdProp, (HANDLE)Param, TRUE);
783             else
784                 UserRemoveProp(Window, gpsi->atomContextHelpIdProp, TRUE);
785 
786             UserLeave();
787             return TRUE;
788         }
789 
790         case HWNDPARAM_ROUTINE_SETDIALOGPOINTER:
791         {
792             PWND pWnd;
793             USER_REFERENCE_ENTRY Ref;
794 
795             UserEnterExclusive();
796 
797             if (!(pWnd = UserGetWindowObject(hWnd)))
798             {
799                 UserLeave();
800                 return 0;
801             }
802             UserRefObjectCo(pWnd, &Ref);
803 
804             if (pWnd->head.pti->ppi == PsGetCurrentProcessWin32Process() &&
805                 pWnd->cbwndExtra >= DLGWINDOWEXTRA &&
806                 !(pWnd->state & WNDS_SERVERSIDEWINDOWPROC))
807             {
808                 pWnd->DialogPointer = (PVOID)Param;
809                 if (Param)
810                 {
811                     if (!pWnd->fnid) pWnd->fnid = FNID_DIALOG;
812                     pWnd->state |= WNDS_DIALOGWINDOW;
813                 }
814                 else
815                 {
816                     pWnd->fnid |= FNID_DESTROY;
817                     pWnd->state &= ~WNDS_DIALOGWINDOW;
818                 }
819             }
820 
821             UserDerefObjectCo(pWnd);
822             UserLeave();
823             return 0;
824         }
825 
826         case HWNDPARAM_ROUTINE_ROS_NOTIFYWINEVENT:
827         {
828             PWND pWnd;
829             PNOTIFYEVENT pne;
830             UserEnterExclusive();
831             pne = (PNOTIFYEVENT)Param;
832             if (hWnd)
833                 pWnd = UserGetWindowObject(hWnd);
834             else
835                 pWnd = NULL;
836             IntNotifyWinEvent(pne->event, pWnd, pne->idObject, pne->idChild, pne->flags);
837             UserLeave();
838             return 0;
839         }
840 
841         case HWNDPARAM_ROUTINE_CLEARWINDOWSTATE:
842         {
843             PWND pWnd;
844             UserEnterExclusive();
845             pWnd = UserGetWindowObject(hWnd);
846             if (pWnd) IntClearWindowState(pWnd, (UINT)Param);
847             UserLeave();
848             return 0;
849         }
850 
851         case HWNDPARAM_ROUTINE_SETWINDOWSTATE:
852         {
853             PWND pWnd;
854             UserEnterExclusive();
855             pWnd = UserGetWindowObject(hWnd);
856             if (pWnd) IntSetWindowState(pWnd, (UINT)Param);
857             UserLeave();
858             return 0;
859         }
860     }
861 
862     STUB;
863 
864     return 0;
865 }
866 
867 DWORD
868 APIENTRY
869 NtUserCallHwndParamLock(
870     HWND hWnd,
871     DWORD_PTR Param,
872     DWORD Routine)
873 {
874     DWORD Ret = FALSE;
875     PWND Window;
876     USER_REFERENCE_ENTRY Ref;
877 
878     TRACE("Enter NtUserCallHwndParamLock\n");
879     UserEnterExclusive();
880 
881     if (!(Window = UserGetWindowObject(hWnd)))
882     {
883         Ret = FALSE;
884         goto Exit;
885     }
886 
887     UserRefObjectCo(Window, &Ref);
888 
889     switch (Routine)
890     {
891         case TWOPARAM_ROUTINE_VALIDATERGN:
892         {
893             PREGION Rgn = REGION_LockRgn((HRGN)Param);
894             Ret = (DWORD)co_UserRedrawWindow(Window, NULL, Rgn, RDW_VALIDATE);
895             if (Rgn) REGION_UnlockRgn(Rgn);
896             break;
897         }
898     }
899 
900     UserDerefObjectCo(Window);
901 
902 Exit:
903 
904     TRACE("Leave NtUserCallHwndParamLock, ret=%lu\n", Ret);
905     UserLeave();
906 
907     return Ret;
908 }
909 
910 /* EOF */
911