simplecall.c File Reference

#include <win32k.h>

Include dependency graph for simplecall.c:

Go to the source code of this file.

Functions
	DBG_DEFAULT_CHANNEL (UserMisc)
BOOL FASTCALL	co_IntRegisterLogonProcess (HANDLE ProcessId, BOOL Register)
DWORD_PTR APIENTRY	NtUserCallNoParam (DWORD Routine)
DWORD_PTR APIENTRY	NtUserCallOneParam (DWORD_PTR Param, DWORD Routine)
DWORD_PTR APIENTRY	NtUserCallTwoParam (DWORD_PTR Param1, DWORD_PTR Param2, DWORD Routine)
BOOL APIENTRY	NtUserCallHwndLock (HWND hWnd, DWORD Routine)
HWND APIENTRY	NtUserCallHwndOpt (HWND hWnd, DWORD Routine)
DWORD APIENTRY	NtUserCallHwnd (HWND hWnd, DWORD Routine)
DWORD APIENTRY	NtUserCallHwndParam (HWND hWnd, DWORD_PTR Param, DWORD Routine)
DWORD APIENTRY	NtUserCallHwndParamLock (HWND hWnd, DWORD_PTR Param, DWORD Routine)

Variables
HANDLE	gpidLogon = 0

Function Documentation

co_IntRegisterLogonProcess()

BOOL FASTCALL co_IntRegisterLogonProcess	(	HANDLE	ProcessId,
		BOOL	Register
	)

Definition at line 18 of file simplecall.c.

{
    NTSTATUS Status;
    PEPROCESS Process;
 
    Status = PsLookupProcessByProcessId(ProcessId, &Process);
    if (!NT_SUCCESS(Status))
    {
        EngSetLastError(RtlNtStatusToDosError(Status));
        return FALSE;
    }
 
    ProcessId = Process->UniqueProcessId;
 
    ObDereferenceObject(Process);
 
    if (Register)
    {
        /* Register the logon process */
        if (gpidLogon != 0)
            return FALSE;
 
        gpidLogon = ProcessId;
    }
    else
    {
        /* Deregister the logon process */
        if (gpidLogon != ProcessId)
            return FALSE;
 
        gpidLogon = 0;
    }
 
    return TRUE;
}

Referenced by NtUserCallTwoParam().

DBG_DEFAULT_CHANNEL()

DBG_DEFAULT_CHANNEL

(

UserMisc

)

NtUserCallHwnd()

DWORD APIENTRY NtUserCallHwnd	(	HWND	hWnd,
		DWORD	Routine
	)

Definition at line 711 of file simplecall.c.

{
    switch (Routine)
    {
        case HWND_ROUTINE_GETWNDCONTEXTHLPID:
        {
            PWND Window;
            DWORD HelpId;
 
            UserEnterShared();
 
            if (!(Window = UserGetWindowObject(hWnd)))
            {
                UserLeave();
                return 0;
            }
 
            HelpId = (DWORD)(DWORD_PTR)UserGetProp(Window, gpsi->atomContextHelpIdProp, TRUE);
 
            UserLeave();
            return HelpId;
        }
 
        case HWND_ROUTINE_REGISTERSHELLHOOKWINDOW:
            if (IntIsWindow(hWnd))
                return IntRegisterShellHookWindow(hWnd);
            return FALSE;
            break;
 
        case HWND_ROUTINE_DEREGISTERSHELLHOOKWINDOW:
            if (IntIsWindow(hWnd))
                return IntDeRegisterShellHookWindow(hWnd);
            return FALSE;
 
        case HWND_ROUTINE_SETMSGBOX:
        {
            PWND Window;
            UserEnterExclusive();
            if ((Window = UserGetWindowObject(hWnd)))
            {
                Window->state |= WNDS_MSGBOX;
            }
            UserLeave();
            return FALSE;
        }
    }
 
    STUB;
 
    return 0;
}

Referenced by NtUserxDeregisterShellHookWindow(), NtUserxGetWindowContextHelpId(), NtUserxRegisterShellHookWindow(), NtUserxSetMessageBox(), START_TEST(), Test_HwndParamRoutine_SetWindowContextHelpId(), Test_HwndRoutine_DeregisterShellHookWindow(), Test_HwndRoutine_GetWindowContextHelpId(), and Test_HwndRoutine_SetMsgBox().

NtUserCallHwndLock()

BOOL APIENTRY NtUserCallHwndLock	(	HWND	hWnd,
		DWORD	Routine
	)

Definition at line 585 of file simplecall.c.

{
    BOOL Ret = FALSE;
    PWND Window;
    USER_REFERENCE_ENTRY Ref;
 
    TRACE("Enter NtUserCallHwndLock\n");
    UserEnterExclusive();
 
    if (!(Window = UserGetWindowObject(hWnd)))
    {
        Ret = FALSE;
        goto Exit;
    }
 
    UserRefObjectCo(Window, &Ref);
 
    /* FIXME: Routine can be 0x53 - 0x5E */
    switch (Routine)
    {
        case HWNDLOCK_ROUTINE_ARRANGEICONICWINDOWS:
            co_WinPosArrangeIconicWindows(Window);
            break;
 
        case HWNDLOCK_ROUTINE_DRAWMENUBAR:
        {
            TRACE("HWNDLOCK_ROUTINE_DRAWMENUBAR\n");
            Ret = TRUE;
            if ((Window->style & (WS_CHILD | WS_POPUP)) != WS_CHILD)
                co_WinPosSetWindowPos(Window,
                                      HWND_DESKTOP,
                                      0, 0, 0, 0,
                                      SWP_NOSIZE |
                                      SWP_NOMOVE |
                                      SWP_NOZORDER |
                                      SWP_NOACTIVATE |
                                      SWP_FRAMECHANGED);
            break;
        }
 
        case HWNDLOCK_ROUTINE_REDRAWFRAME:
            co_WinPosSetWindowPos(Window,
                                  HWND_DESKTOP,
                                  0, 0, 0, 0,
                                  SWP_NOSIZE |
                                  SWP_NOMOVE |
                                  SWP_NOZORDER |
                                  SWP_NOACTIVATE |
                                  SWP_FRAMECHANGED);
            Ret = TRUE;
            break;
 
        case HWNDLOCK_ROUTINE_REDRAWFRAMEANDHOOK:
            co_WinPosSetWindowPos(Window,
                                  HWND_DESKTOP,
                                  0, 0, 0, 0,
                                  SWP_NOSIZE |
                                  SWP_NOMOVE |
                                  SWP_NOZORDER |
                                  SWP_NOACTIVATE |
                                  SWP_FRAMECHANGED);
            if (!Window->spwndOwner && !IntGetParent(Window))
            {
                co_IntShellHookNotify(HSHELL_REDRAW, (WPARAM)hWnd, FALSE); // FIXME Flashing?
            }
            Ret = TRUE;
            break;
 
        case HWNDLOCK_ROUTINE_SETFOREGROUNDWINDOW:
            TRACE("co_IntSetForegroundWindow 1 0x%p\n", hWnd);
            Ret = co_IntSetForegroundWindow(Window);
            TRACE("co_IntSetForegroundWindow 2 0x%p\n", hWnd);
            break;
 
        case HWNDLOCK_ROUTINE_SETFOREGROUNDWINDOWMOUSE:
            TRACE("co_IntSetForegroundWindow M 1 0x%p\n", hWnd);
            Ret = co_IntSetForegroundWindowMouse(Window);
            TRACE("co_IntSetForegroundWindow M 2 0x%p\n", hWnd);
            break;
 
        case HWNDLOCK_ROUTINE_UPDATEWINDOW:
            co_IntUpdateWindows(Window, RDW_ALLCHILDREN, FALSE);
            Ret = TRUE;
            break;
 
        case HWNDLOCK_ROUTINE_CHECKIMESHOWSTATUSINTHRD:
            IntCheckImeShowStatusInThread(Window);
            break;
    }
 
    UserDerefObjectCo(Window);
 
Exit:
    TRACE("Leave NtUserCallHwndLock, ret=%u\n", Ret);
    UserLeave();
 
    return Ret;
}

Referenced by ImeWnd_OnImeSetContext(), NtUserxArrangeIconicWindows(), NtUserxDrawMenuBar(), NtUserxMDIRedrawFrame(), NtUserxSetForegroundWindow(), NtUserxUpdateWindow(), START_TEST(), Test_HwndLockRoutine_CheckImeShowStatusInThread(), Test_HwndLockRoutine_DrawMenuBar(), Test_HwndLockRoutine_GetSysMenuHandle(), and Test_HwndLockRoutine_UpdateWindow().

NtUserCallHwndOpt()

HWND APIENTRY NtUserCallHwndOpt	(	HWND	hWnd,
		DWORD	Routine
	)

Definition at line 691 of file simplecall.c.

{
    switch (Routine)
    {
        case HWNDOPT_ROUTINE_SETPROGMANWINDOW:
            GetW32ThreadInfo()->pDeskInfo->hProgmanWindow = hWnd;
            break;
 
        case HWNDOPT_ROUTINE_SETTASKMANWINDOW:
            GetW32ThreadInfo()->pDeskInfo->hTaskManWindow = hWnd;
            break;
    }
 
    return hWnd;
}

Referenced by NtUserxSetProgmanWindow(), and NtUserxSetTaskmanWindow().

NtUserCallHwndParam()

DWORD APIENTRY NtUserCallHwndParam	(	HWND	hWnd,
		DWORD_PTR	Param,
		DWORD	Routine
	)

Definition at line 767 of file simplecall.c.

{
 
    switch (Routine)
    {
        case HWNDPARAM_ROUTINE_KILLSYSTEMTIMER:
        {
            DWORD ret;
 
            UserEnterExclusive();
            ret = IntKillTimer(UserGetWindowObject(hWnd), (UINT_PTR)Param, TRUE);
            UserLeave();
            return ret;
        }
 
        case HWNDPARAM_ROUTINE_SETWNDCONTEXTHLPID:
        {
            PWND Window;
 
            UserEnterExclusive();
            if (!(Window = UserGetWindowObject(hWnd)))
            {
                UserLeave();
                return FALSE;
            }
 
            if (Param)
                UserSetProp(Window, gpsi->atomContextHelpIdProp, (HANDLE)Param, TRUE);
            else
                UserRemoveProp(Window, gpsi->atomContextHelpIdProp, TRUE);
 
            UserLeave();
            return TRUE;
        }
 
        case HWNDPARAM_ROUTINE_SETDIALOGPOINTER:
        {
            PWND pWnd;
            USER_REFERENCE_ENTRY Ref;
 
            UserEnterExclusive();
 
            if (!(pWnd = UserGetWindowObject(hWnd)))
            {
                UserLeave();
                return 0;
            }
            UserRefObjectCo(pWnd, &Ref);
 
            if (pWnd->head.pti->ppi == PsGetCurrentProcessWin32Process() &&
                pWnd->cbwndExtra >= DLGWINDOWEXTRA &&
                !(pWnd->state & WNDS_SERVERSIDEWINDOWPROC))
            {
                pWnd->DialogPointer = (PVOID)Param;
                if (Param)
                {
                    if (!pWnd->fnid) pWnd->fnid = FNID_DIALOG;
                    pWnd->state |= WNDS_DIALOGWINDOW;
                }
                else
                {
                    pWnd->fnid |= FNID_DESTROY;
                    pWnd->state &= ~WNDS_DIALOGWINDOW;
                }
            }
 
            UserDerefObjectCo(pWnd);
            UserLeave();
            return 0;
        }
 
        case HWNDPARAM_ROUTINE_ROS_NOTIFYWINEVENT:
        {
            PWND pWnd;
            PNOTIFYEVENT pne;
            UserEnterExclusive();
            pne = (PNOTIFYEVENT)Param;
            if (hWnd)
                pWnd = UserGetWindowObject(hWnd);
            else
                pWnd = NULL;
            IntNotifyWinEvent(pne->event, pWnd, pne->idObject, pne->idChild, pne->flags);
            UserLeave();
            return 0;
        }
 
        case HWNDPARAM_ROUTINE_CLEARWINDOWSTATE:
        {
            PWND pWnd;
            UserEnterExclusive();
            pWnd = UserGetWindowObject(hWnd);
            if (pWnd) IntClearWindowState(pWnd, (UINT)Param);
            UserLeave();
            return 0;
        }
 
        case HWNDPARAM_ROUTINE_SETWINDOWSTATE:
        {
            PWND pWnd;
            UserEnterExclusive();
            pWnd = UserGetWindowObject(hWnd);
            if (pWnd) IntSetWindowState(pWnd, (UINT)Param);
            UserLeave();
            return 0;
        }
    }
 
    STUB;
 
    return 0;
}

Referenced by NtUserxClearWindowState(), NtUserxKillSystemTimer(), NtUserxNotifyWinEvent(), NtUserxSetDialogPointer(), NtUserxSetWindowContextHelpId(), NtUserxSetWindowState(), Test_HwndParamRoutine_SetWindowContextHelpId(), and Test_HwndRoutine_GetWindowContextHelpId().

NtUserCallHwndParamLock()

DWORD APIENTRY NtUserCallHwndParamLock	(	HWND	hWnd,
		DWORD_PTR	Param,
		DWORD	Routine
	)

Definition at line 884 of file simplecall.c.

{
    DWORD Ret = FALSE;
    PWND Window;
    USER_REFERENCE_ENTRY Ref;
 
    TRACE("Enter NtUserCallHwndParamLock\n");
    UserEnterExclusive();
 
    if (!(Window = UserGetWindowObject(hWnd)))
    {
        Ret = FALSE;
        goto Exit;
    }
 
    UserRefObjectCo(Window, &Ref);
 
    switch (Routine)
    {
        case TWOPARAM_ROUTINE_IMESHOWSTATUSCHANGE:
            Ret = IntBroadcastImeShowStatusChange(Window, !!Param);
            break;
 
        case TWOPARAM_ROUTINE_VALIDATERGN:
        {
            PREGION Rgn = REGION_LockRgn((HRGN)Param);
            Ret = (DWORD)co_UserRedrawWindow(Window, NULL, Rgn, RDW_VALIDATE);
            if (Rgn) REGION_UnlockRgn(Rgn);
            break;
        }
    }
 
    UserDerefObjectCo(Window);
 
Exit:
 
    TRACE("Leave NtUserCallHwndParamLock, ret=%lu\n", Ret);
    UserLeave();
 
    return Ret;
}

Referenced by ImeWnd_OnImeSystem(), and NtUserxValidateRgn().

NtUserCallNoParam()

DWORD_PTR APIENTRY NtUserCallNoParam

(

DWORD

Routine

)

Definition at line 59 of file simplecall.c.

{
    DWORD_PTR Result = 0;
 
    TRACE("Enter NtUserCallNoParam\n");
    UserEnterExclusive();
 
    switch (Routine)
    {
        case NOPARAM_ROUTINE_CREATEMENU:
            Result = (DWORD_PTR)UserCreateMenu(GetW32ThreadInfo()->rpdesk, FALSE);
            break;
 
        case NOPARAM_ROUTINE_CREATEMENUPOPUP:
            Result = (DWORD_PTR)UserCreateMenu(GetW32ThreadInfo()->rpdesk, TRUE);
            break;
 
        case NOPARAM_ROUTINE_DESTROY_CARET:
            Result = (DWORD_PTR)co_IntDestroyCaret(PsGetCurrentThread()->Tcb.Win32Thread);
            break;
 
        case NOPARAM_ROUTINE_INIT_MESSAGE_PUMP:
            Result = (DWORD_PTR)IntInitMessagePumpHook();
            break;
 
        case NOPARAM_ROUTINE_UNINIT_MESSAGE_PUMP:
            Result = (DWORD_PTR)IntUninitMessagePumpHook();
            break;
 
        case NOPARAM_ROUTINE_MSQCLEARWAKEMASK:
            Result = (DWORD_PTR)IntMsqClearWakeMask();
            break;
 
        case NOPARAM_ROUTINE_GETMSESSAGEPOS:
        {
            PTHREADINFO pti = PsGetCurrentThreadWin32Thread();
            Result = (DWORD_PTR)MAKELONG(pti->ptLast.x, pti->ptLast.y);
            break;
        }
 
        case NOPARAM_ROUTINE_RELEASECAPTURE:
            Result = (DWORD_PTR)IntReleaseCapture();
            break;
 
        case NOPARAM_ROUTINE_LOADUSERAPIHOOK:
            Result = UserLoadApiHook();
            break;
 
        case NOPARAM_ROUTINE_ZAPACTIVEANDFOUS:
        {
            PTHREADINFO pti = PsGetCurrentThreadWin32Thread();
            TRACE("Zapping the Active and Focus window out of the Queue!\n");
            pti->MessageQueue->spwndFocus = NULL;
            pti->MessageQueue->spwndActive = NULL;
            Result = 0;
            break;
        }
 
        case NOPARAM_ROUTINE_GETIMESHOWSTATUS:
            Result = !!gfIMEShowStatus;
            break;
 
        /* this is a ReactOS only case and is needed for gui-on-demand */
        case NOPARAM_ROUTINE_ISCONSOLEMODE:
            Result = (ScreenDeviceContext == NULL);
            break;
 
        case NOPARAM_ROUTINE_UPDATEPERUSERIMMENABLING:
            if (UserIsIMMEnabled())
                gpsi->dwSRVIFlags |= SRVINFO_IMM32;
            else
                gpsi->dwSRVIFlags &= ~SRVINFO_IMM32;
 
            Result = TRUE; // Always return TRUE.
            break;
 
        default:
            ERR("Calling invalid routine number 0x%x in NtUserCallNoParam\n", Routine);
            EngSetLastError(ERROR_INVALID_PARAMETER);
            break;
    }
 
    TRACE("Leave NtUserCallNoParam, ret=%p\n",(PVOID)Result);
    UserLeave();
 
    return Result;
}

Referenced by EndDialog(), IsConsoleMode(), LoadUserApiHook(), NtUserxCreateMenu(), NtUserxCreatePopupMenu(), NtUserxDestroyCaret(), NtUserxGetMessagePos(), NtUserxInitMessagePump(), NtUserxMsqClearWakeMask(), NtUserxReleaseCapture(), NtUserxUnInitMessagePump(), Test_NoParamRoutine_CreateMenu(), Test_NoParamRoutine_CreatePopupMenu(), Test_NoParamRoutine_LoadUserApiHook(), UpdatePerUserImmEnabling(), and User32GetImeShowStatus().

NtUserCallOneParam()

DWORD_PTR APIENTRY NtUserCallOneParam	(	DWORD_PTR	Param,
		DWORD	Routine
	)

Definition at line 153 of file simplecall.c.

{
    DWORD_PTR Result;
 
    TRACE("Enter NtUserCallOneParam\n");
 
    UserEnterExclusive();
 
    switch (Routine)
    {
        case ONEPARAM_ROUTINE_POSTQUITMESSAGE:
        {
            PTHREADINFO pti;
            pti = PsGetCurrentThreadWin32Thread();
            MsqPostQuitMessage(pti, Param);
            Result = TRUE;
            break;
        }
 
        case ONEPARAM_ROUTINE_BEGINDEFERWNDPOS:
        {
            PSMWP psmwp;
            HDWP hDwp = NULL;
            INT count = (INT)Param;
 
            if (count < 0)
            {
                EngSetLastError(ERROR_INVALID_PARAMETER);
                Result = 0;
                break;
            }
 
            /* Windows allows zero count, in which case it allocates context for 8 moves */
            if (count == 0) count = 8;
 
            psmwp = (PSMWP)UserCreateObject(gHandleTable,
                                            NULL,
                                            NULL,
                                            (PHANDLE)&hDwp,
                                            TYPE_SETWINDOWPOS,
                                            sizeof(SMWP));
            if (!psmwp)
            {
                Result = 0;
                break;
            }
 
            psmwp->acvr = ExAllocatePoolWithTag(PagedPool, count * sizeof(CVR), USERTAG_SWP);
            if (!psmwp->acvr)
            {
                UserDeleteObject(hDwp, TYPE_SETWINDOWPOS);
                Result = 0;
                break;
            }
 
            RtlZeroMemory(psmwp->acvr, count * sizeof(CVR));
            psmwp->bHandle = TRUE;
            psmwp->ccvr = 0;          // actualCount
            psmwp->ccvrAlloc = count; // suggestedCount
            Result = (DWORD_PTR)hDwp;
            break;
        }
 
        case ONEPARAM_ROUTINE_SHOWCURSOR:
            Result = (DWORD_PTR)UserShowCursor((BOOL)Param);
            break;
 
        case ONEPARAM_ROUTINE_GETDESKTOPMAPPING:
        {
            PTHREADINFO ti;
            ti = GetW32ThreadInfo();
            if (ti != NULL)
            {
                /* Try convert the pointer to a user mode pointer if the desktop is
                   mapped into the process */
                Result = (DWORD_PTR)DesktopHeapAddressToUser((PVOID)Param);
            }
            else
            {
                Result = 0;
            }
            break;
        }
 
        case ONEPARAM_ROUTINE_WINDOWFROMDC:
            Result = (DWORD_PTR)IntWindowFromDC((HDC)Param);
            break;
 
        case ONEPARAM_ROUTINE_SWAPMOUSEBUTTON:
        {
            Result = gspv.bMouseBtnSwap;
            gspv.bMouseBtnSwap = Param ? TRUE : FALSE;
            gpsi->aiSysMet[SM_SWAPBUTTON] = gspv.bMouseBtnSwap;
            break;
        }
 
        case ONEPARAM_ROUTINE_SETCARETBLINKTIME:
            Result = (DWORD_PTR)IntSetCaretBlinkTime((UINT)Param);
            break;
 
        case ONEPARAM_ROUTINE_SETMESSAGEEXTRAINFO:
            Result = (DWORD_PTR)MsqSetMessageExtraInfo((LPARAM)Param);
            break;
 
        case ONEPARAM_ROUTINE_CREATEEMPTYCUROBJECT:
        {
            if (!(Result = (DWORD_PTR)IntCreateCurIconHandle((DWORD)Param)))
            {
                EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
                Result = 0;
            }
            break;
        }
 
        case ONEPARAM_ROUTINE_ENABLEPROCWNDGHSTING:
        {
            BOOL Enable;
            PPROCESSINFO Process = PsGetCurrentProcessWin32Process();
 
            if (Process != NULL)
            {
                Enable = (BOOL)(Param != 0);
 
                if (Enable)
                {
                    Process->W32PF_flags &= ~W32PF_NOWINDOWGHOSTING;
                }
                else
                {
                    Process->W32PF_flags |= W32PF_NOWINDOWGHOSTING;
                }
 
                Result = TRUE;
                break;
            }
 
            Result = FALSE;
            break;
        }
 
        case ONEPARAM_ROUTINE_GETINPUTEVENT:
            Result = (DWORD_PTR)IntMsqSetWakeMask(Param);
            break;
 
        case ONEPARAM_ROUTINE_GETKEYBOARDTYPE:
            Result = UserGetKeyboardType(Param);
            break;
 
        case ONEPARAM_ROUTINE_GETKEYBOARDLAYOUT:
            Result = (DWORD_PTR)UserGetKeyboardLayout(Param);
            break;
 
        case ONEPARAM_ROUTINE_RELEASEDC:
            Result = UserReleaseDC(NULL, (HDC) Param, FALSE);
            break;
 
        case ONEPARAM_ROUTINE_REALIZEPALETTE:
            Result = UserRealizePalette((HDC) Param);
            break;
 
        case ONEPARAM_ROUTINE_GETQUEUESTATUS:
        {
            Result = IntGetQueueStatus((DWORD)Param);
            break;
        }
 
        case ONEPARAM_ROUTINE_ENUMCLIPBOARDFORMATS:
            /* FIXME: Should use UserEnterShared */
            Result = UserEnumClipboardFormats(Param);
            break;
 
        case ONEPARAM_ROUTINE_GETCURSORPOS:
        {
            PPOINTL pptl;
            PTHREADINFO pti = PsGetCurrentThreadWin32Thread();
            Result = TRUE;
            if (pti->rpdesk != IntGetActiveDesktop())
            {
                Result = FALSE;
                break;
            }
            _SEH2_TRY
            {
                ProbeForWrite((POINT*)Param,sizeof(POINT),1);
               pptl = (PPOINTL)Param;
               *pptl = gpsi->ptCursor;
            }
            _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
            {
                Result = FALSE;
            }
            _SEH2_END;
            break;
        }
 
        case ONEPARAM_ROUTINE_SETPROCDEFLAYOUT:
        {
            PPROCESSINFO ppi;
            if (Param & LAYOUT_ORIENTATIONMASK || Param == LAYOUT_LTR)
            {
                ppi = PsGetCurrentProcessWin32Process();
                ppi->dwLayout = Param;
                Result = TRUE;
                break;
            }
            EngSetLastError(ERROR_INVALID_PARAMETER);
            Result = FALSE;
            break;
        }
 
        case ONEPARAM_ROUTINE_GETPROCDEFLAYOUT:
        {
            PPROCESSINFO ppi;
            PDWORD pdwLayout;
            Result = TRUE;
 
            if (PsGetCurrentProcess() == gpepCSRSS)
            {
                EngSetLastError(ERROR_INVALID_ACCESS);
                Result = FALSE;
                break;
            }
 
            ppi = PsGetCurrentProcessWin32Process();
            _SEH2_TRY
            {
               pdwLayout = (PDWORD)Param;
               *pdwLayout = ppi->dwLayout;
            }
            _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
            {
                SetLastNtError(_SEH2_GetExceptionCode());
                Result = FALSE;
            }
            _SEH2_END;
            break;
        }
 
        case ONEPARAM_ROUTINE_REPLYMESSAGE:
            Result = co_MsqReplyMessage((LRESULT)Param);
            break;
 
        case ONEPARAM_ROUTINE_MESSAGEBEEP:
            /* TODO: Implement sound sentry */
            Result = UserPostMessage(hwndSAS, WM_LOGONNOTIFY, LN_MESSAGE_BEEP, Param);
           break;
 
        case ONEPARAM_ROUTINE_CREATESYSTEMTHREADS:
            Result = UserSystemThreadProc(Param);
            break;
 
        case ONEPARAM_ROUTINE_LOCKFOREGNDWINDOW:
            Result = (DWORD_PTR)IntLockSetForegroundWindow(Param);
            break;
 
        case ONEPARAM_ROUTINE_ALLOWSETFOREGND:
            Result = (DWORD_PTR)IntAllowSetForegroundWindow(Param);
            break;
 
        default:
            ERR("Calling invalid routine number 0x%x in NtUserCallOneParam(), Param=0x%x\n",
                Routine, Param);
            EngSetLastError(ERROR_INVALID_PARAMETER);
            Result = 0;
            break;
    }
 
   TRACE("Leave NtUserCallOneParam, ret=%p\n", (PVOID)Result);
   UserLeave();
 
   return Result;
}

Referenced by CreateSystemThreads(), DesktopPtrToUser(), GetProcessDefaultLayout(), GetWinStationInfo(), NtUserxAllowSetForegroundWindow(), NtUserxBeginDeferWindowPos(), NtUserxCreateEmptyCurObject(), NtUserxCreateSystemThreads(), NtUserxEnableProcessWindowGhosting(), NtUserxEnumClipboardFormats(), NtUserxGetCursorPos(), NtUserxGetDesktopMapping(), NtUserxGetKeyboardLayout(), NtUserxGetKeyboardType(), NtUserxGetQueueStatus(), NtUserxLockSetForegroundWindow(), NtUserxMessageBeep(), NtUserxMsqSetWakeMask(), NtUserxPostQuitMessage(), NtUserxRealizePalette(), NtUserxReleaseDC(), NtUserxReplyMessage(), NtUserxSetCaretBlinkTime(), NtUserxSetMessageExtraInfo(), NtUserxShowCursor(), NtUserxSwapMouseButton(), NtUserxWindowFromDC(), SetProcessDefaultLayout(), START_TEST(), Test_OneParamRoutine_BeginDeferWindowPos(), Test_OneParamRoutine_CreateEmptyCurObject(), Test_OneParamRoutine_MapDesktopObject(), Test_OneParamRoutine_SwapMouseButtons(), and Test_OneParamRoutine_WindowFromDC().

NtUserCallTwoParam()

DWORD_PTR APIENTRY NtUserCallTwoParam	(	DWORD_PTR	Param1,
		DWORD_PTR	Param2,
		DWORD	Routine
	)

Definition at line 434 of file simplecall.c.

{
    PWND Window;
    DWORD_PTR Ret;
    TRACE("Enter NtUserCallTwoParam\n");
    UserEnterExclusive();
 
    switch (Routine)
    {
        case TWOPARAM_ROUTINE_REDRAWTITLE:
        {
            Window = UserGetWindowObject((HWND)Param1);
            Ret = (DWORD_PTR)UserPaintCaption(Window, (INT)Param2);
            break;
        }
 
        case TWOPARAM_ROUTINE_SETMENUBARHEIGHT:
        {
            PMENU MenuObject = IntGetMenuObject((HMENU)Param1);
            if (!MenuObject)
            {
                Ret = 0;
                break;
            }
 
            if (Param2 > 0)
            {
                Ret = (MenuObject->cyMenu == (int)Param2);
                MenuObject->cyMenu = (int)Param2;
            }
            else
                Ret = (DWORD_PTR)MenuObject->cyMenu;
            IntReleaseMenuObject(MenuObject);
            break;
        }
 
        case TWOPARAM_ROUTINE_SETGUITHRDHANDLE:
        {
            PTHREADINFO pti = (PTHREADINFO)PsGetCurrentThreadWin32Thread();
            ASSERT(pti->MessageQueue);
            Ret = (DWORD_PTR)MsqSetStateWindow(pti, (ULONG)Param1, (HWND)Param2);
            break;
        }
 
        case TWOPARAM_ROUTINE_ENABLEWINDOW:
            Ret = IntEnableWindow((HWND)Param1, (BOOL)Param2);
            break;
 
        case TWOPARAM_ROUTINE_SHOWOWNEDPOPUPS:
        {
            Window = UserGetWindowObject((HWND)Param1);
            if (!Window)
            {
                Ret = 0;
                break;
            }
 
            Ret = (DWORD_PTR)IntShowOwnedPopups(Window, (BOOL)Param2);
            break;
        }
 
        case TWOPARAM_ROUTINE_ROS_UPDATEUISTATE:
        {
            WPARAM wParam;
            Window = UserGetWindowObject((HWND)Param1);
            if (!Window)
            {
                Ret = 0;
                break;
            }
 
            /* Unpack wParam */
            wParam = MAKEWPARAM((Param2 >> 3) & 0x3,
                                Param2 & (UISF_HIDEFOCUS | UISF_HIDEACCEL | UISF_ACTIVE));
 
            Ret = UserUpdateUiState(Window, wParam);
            break;
        }
 
        case TWOPARAM_ROUTINE_SWITCHTOTHISWINDOW:
        {
            HWND hwnd = (HWND)Param1;
            BOOL fAltTab = (BOOL)Param2;
            Ret = 0;
            Window = UserGetWindowObject(hwnd);
            if (!Window)
                break;
 
            if (gpqForeground && !fAltTab)
            {
                PWND pwndActive = gpqForeground->spwndActive;
                if (pwndActive && !(pwndActive->ExStyle & WS_EX_TOPMOST))
                {
                    co_WinPosSetWindowPos(pwndActive, HWND_BOTTOM, 0, 0, 0, 0,
                                          SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE |
                                          SWP_ASYNCWINDOWPOS);
                }
 
                UserSetActiveWindow(Window);
                break;
            }
 
            co_IntSetForegroundWindowMouse(Window);
 
            if (fAltTab && (Window->style & WS_MINIMIZE))
            {
                MSG msg = { UserHMGetHandle(Window), WM_SYSCOMMAND, SC_RESTORE, 0 };
                MsqPostMessage(Window->head.pti, &msg, FALSE, QS_POSTMESSAGE, 0, 0);
            }
            break;
        }
 
        case TWOPARAM_ROUTINE_SETCARETPOS:
            Ret = (DWORD_PTR)co_IntSetCaretPos((int)Param1, (int)Param2);
            break;
 
        case TWOPARAM_ROUTINE_REGISTERLOGONPROCESS:
            Ret = (DWORD_PTR)co_IntRegisterLogonProcess((HANDLE)Param1, (BOOL)Param2);
            break;
 
        case TWOPARAM_ROUTINE_SETCURSORPOS:
            Ret = (DWORD_PTR)UserSetCursorPos((int)Param1, (int)Param2, 0, 0, FALSE);
            break;
 
        case TWOPARAM_ROUTINE_UNHOOKWINDOWSHOOK:
            Ret = IntUnhookWindowsHook((int)Param1, (HOOKPROC)Param2);
            break;
 
        default:
            ERR("Calling invalid routine number 0x%x in NtUserCallTwoParam(), Param1=0x%x Parm2=0x%x\n",
                Routine, Param1, Param2);
            EngSetLastError(ERROR_INVALID_PARAMETER);
            Ret = 0;
    }
 
 
    TRACE("Leave NtUserCallTwoParam, ret=%p\n", (PVOID)Ret);
    UserLeave();
 
    return Ret;
}

Referenced by MDI_UpdateFrameText(), NtUserxEnableWindow(), NtUserxRegisterLogonProcess(), NtUserxSetCaretPos(), NtUserxSetCursorPos(), NtUserxSetGUIThreadHandle(), NtUserxSetMenuBarHeight(), NtUserxShowOwnedPopups(), NtUserxSwitchToThisWindow(), NtUserxUnhookWindowsHook(), and NtUserxUpdateUiState().

Variable Documentation

gpidLogon

HANDLE gpidLogon = 0

Definition at line 15 of file simplecall.c.

Referenced by CheckWinstaAttributeAccess(), co_IntCreateDefaultImeWindow(), co_IntRegisterLogonProcess(), InitThreadCallback(), IntCreateWindowStation(), IntWinStaObjectDelete(), NtUserGetThreadState(), NtUserLockWindowStation(), NtUserSetLogonNotifyWindow(), NtUserSetWindowStationUser(), NtUserSwitchDesktop(), NtUserUnlockWindowStation(), UserInitiateShutdown(), and UserProcessDestroy().