322 lines
9.7 KiB
C
322 lines
9.7 KiB
C
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/*++
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*
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* WOW v1.0
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*
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* Copyright (c) 1991, Microsoft Corporation
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*
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* WUMAN.C
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* WOW32 16-bit User API support (manually-coded thunks)
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*
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* History:
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* Created 27-Jan-1991 by Jeff Parsons (jeffpar)
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--*/
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#include "precomp.h"
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#pragma hdrstop
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MODNAME(wuman.c);
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WBP W32WordBreakProc = NULL;
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extern DWORD fThunkStrRtns;
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extern WORD gwKrnl386CodeSeg1;
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extern WORD gwKrnl386CodeSeg2;
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extern WORD gwKrnl386CodeSeg3;
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extern WORD gwKrnl386DataSeg1;
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ULONG FASTCALL WU32ExitWindows(PVDMFRAME pFrame)
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// BUGBUG mattfe 4-mar-92, this routine should not return if we close down
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// all the apps successfully.
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{
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ULONG ul;
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register PEXITWINDOWS16 parg16;
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GETARGPTR(pFrame, sizeof(EXITWINDOWS16), parg16);
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ul = GETBOOL16(ExitWindows(
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DWORD32(parg16->dwReserved),
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WORD32(parg16->wReturnCode)
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));
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FREEARGPTR(parg16);
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RETURN(ul);
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}
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WORD gUser16CS = 0;
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ULONG FASTCALL WU32NotifyWow(PVDMFRAME pFrame)
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{
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ULONG ul = 0;
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register PNOTIFYWOW16 parg16;
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GETARGPTR(pFrame, sizeof(NOTIFYWOW16), parg16);
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switch (FETCHWORD(parg16->Id)) {
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case NW_LOADACCELERATORS:
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ul = WU32LoadAccelerators(FETCHDWORD(parg16->pData));
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break;
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case NW_LOADICON:
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case NW_LOADCURSOR:
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ul = (ULONG) W32CheckIfAlreadyLoaded(parg16->pData, FETCHWORD(parg16->Id));
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break;
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case NW_WINHELP:
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{
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// this call is made from IWinHelp in USER.exe to find the
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// '16bit' help window if it exists.
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//
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LPSZ lpszClass;
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GETMISCPTR(parg16->pData, lpszClass);
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ul = (ULONG)(pfnOut.pfnWOWFindWindow)((LPCSTR)lpszClass, (LPCSTR)NULL);
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if (ul) {
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// check if hwndWinHelp belongs to this process or not.
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DWORD pid, pidT;
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pid = pidT = GetCurrentProcessId();
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GetWindowThreadProcessId((HWND)ul, &pid);
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ul = (ULONG)MAKELONG((WORD)GETHWND16(ul),(WORD)(pid == pidT));
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}
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FREEMISCPTR(lpszClass);
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}
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break;
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case NW_KRNL386SEGS:
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{
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PKRNL386SEGS pKrnl386Segs;
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GETVDMPTR(parg16->pData, sizeof(KRNL386SEGS), pKrnl386Segs);
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gwKrnl386CodeSeg1 = pKrnl386Segs->CodeSeg1;
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gwKrnl386CodeSeg2 = pKrnl386Segs->CodeSeg2;
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gwKrnl386CodeSeg3 = pKrnl386Segs->CodeSeg3;
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gwKrnl386DataSeg1 = pKrnl386Segs->DataSeg1;
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}
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break;
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case NW_FINALUSERINIT:
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{
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static BYTE CallCsrFlag = 0;
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extern DWORD gpsi;
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PUSERCLIENTGLOBALS pfinit16;
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WORD UNALIGNED *pwMaxDWPMsg;
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PBYTE pDWPBits;
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#ifdef DEBUG
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WORD wMsg;
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int i;
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PSZ pszFormat;
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#endif
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GETVDMPTR(parg16->pData, sizeof(USERCLIENTGLOBALS), pfinit16);
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GETVDMPTR(pfinit16->lpwMaxDWPMsg, sizeof(WORD), pwMaxDWPMsg);
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GETVDMPTR(pfinit16->lpDWPBits, pfinit16->cbDWPBits, pDWPBits);
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// store the 16bit hmod of user.exe
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gUser16hInstance = (WORD)pfinit16->hInstance;
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WOW32ASSERTMSGF((gUser16hInstance),
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("WOW Error gUser16hInstance == NULL!\n"));
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// store the 16bit CS of user.exe
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gUser16CS = HIWORD(pFrame->vpCSIP);
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// initialize user16client globals
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if (pfinit16->lpgpsi) {
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BYTE **lpT;
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GETVDMPTR(pfinit16->lpgpsi, sizeof(DWORD), lpT);
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*lpT = (BYTE *)gpsi;
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FLUSHVDMCODEPTR((ULONG)pfinit16->lpgpsi, sizeof(DWORD), lpT);
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FREEVDMPTR(lpT);
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}
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if (pfinit16->lpCsrFlag) {
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BYTE **lpT;
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GETVDMPTR(pfinit16->lpCsrFlag, sizeof(DWORD), lpT);
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*lpT = (LPSTR)&CallCsrFlag;
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FLUSHVDMCODEPTR((ULONG)pfinit16->lpCsrFlag, sizeof(DWORD), lpT);
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FREEVDMPTR(lpT);
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}
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if (pfinit16->lpHighestAddress) {
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DWORD *lpT;
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SYSTEM_BASIC_INFORMATION sbi;
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NTSTATUS Status;
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GETVDMPTR(pfinit16->lpHighestAddress, sizeof(DWORD), lpT);
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Status = NtQuerySystemInformation(SystemBasicInformation,
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&sbi,
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sizeof(sbi),
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NULL);
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WOW32ASSERTMSGF((NT_SUCCESS(Status)),
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("WOW Error NtQuerySystemInformation failed!\n"));
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*lpT = sbi.MaximumUserModeAddress;
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FLUSHVDMCODEPTR((ULONG)pfinit16->lpHighestAddress, sizeof(DWORD), lpT);
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FREEVDMPTR(lpT);
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}
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/* No longer required now that user32 & user.exe are separate
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DEAD CODE if (HIWORD(pfinit16->dwBldInfo) != HIWORD(pfnOut.dwBldInfo)) {
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DEAD CODE MessageBeep(0);
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DEAD CODE MessageBoxA(NULL, "user.exe and user32.dll are mismatched.",
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DEAD CODE "WOW Error", MB_OK | MB_ICONEXCLAMATION);
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DEAD CODE }
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*/
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*pwMaxDWPMsg = (pfnOut.pfnWowGetDefWindowProcBits)(pDWPBits, pfinit16->cbDWPBits);
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FLUSHVDMCODEPTR(pfinit16->lpwMaxDWPMsg, sizeof(WORD), pwMaxDWPMsg);
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FLUSHVDMCODEPTR(pfinit16->lpDWPBits, pfinit16->cbDWPBits, pDWPBits);
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#ifdef DEBUG
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LOGDEBUG(LOG_TRACE, ("WU32NotifyWow: got DefWindowProc bits, wMaxDWPMsg = 0x%x.\n", *pwMaxDWPMsg));
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LOGDEBUG(LOG_TRACE, ("The following messages will be passed on to 32-bit DefWindowProc:\n"));
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#define FPASSTODWP32(msg) \
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(pDWPBits[msg >> 3] & (1 << (msg & 7)))
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wMsg = 0;
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i = 0;
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while (wMsg <= *pwMaxDWPMsg) {
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if (FPASSTODWP32(wMsg)) {
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if ( i & 3 ) {
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pszFormat = ", %s";
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} else {
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pszFormat = "\n%s";
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}
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LOGDEBUG(LOG_TRACE, (pszFormat, aw32Msg[wMsg].lpszW32));
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i++;
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}
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wMsg++;
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}
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LOGDEBUG(LOG_TRACE, ("\n\n"));
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#endif
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gpfn16GetProcModule = pfinit16->pfnGetProcModule;
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//
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// Return value tells User16 whether to thunk
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// string routines to Win32 or use the fast
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// US-only versions. TRUE means thunk.
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//
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// If the locale is U.S. English, we default to
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// not thunking, outside the U.S. we default to
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// thunking. See wow32.c's use of fThunkStrRtns.
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//
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// We engage in this nastiness because the Winstone 94
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// Access 1.1 test takes *twice* as long to run in
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// the US if we thunk lstrcmp and lstrcmpi to Win32.
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//
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// By adding a value "ThunkNLS" to the WOW registry
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// key of type REG_DWORD, the user can force thunking
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// to Win32 (value 1) or use the fast US-only ones (value 0).
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//
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ul = fThunkStrRtns;
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FREEVDMPTR(pDWPBits);
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FREEVDMPTR(pwMaxDWPMsg);
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FREEVDMPTR(pfinit16);
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}
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break;
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default:
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ul = 0;
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break;
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}
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FREEARGPTR(parg16);
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return ul;
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}
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ULONG FASTCALL WU32WOWWordBreakProc(PVDMFRAME pFrame)
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{
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PSZ psz1;
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ULONG ul;
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register PWOWWORDBREAKPROC16 parg16;
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GETARGPTR(pFrame, sizeof(*parg16), parg16);
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GETPSZPTR(parg16->lpszEditText, psz1);
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ul = (*W32WordBreakProc)(psz1, parg16->ichCurrentWord, parg16->cbEditText,
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parg16->action);
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FREEPSZPTR(psz1);
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FREEARGPTR(parg16);
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RETURN(ul);
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}
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//
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// WU32MouseEvent: Thunk for 16-bit register-based API mouse_event,
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// with the help of user16 function mouse_event (in
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// winmisc2.asm).
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//
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ULONG FASTCALL WU32MouseEvent(PVDMFRAME pFrame)
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{
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ULONG ul;
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register PMOUSEEVENT16 parg16;
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typedef ULONG (WINAPI *PFMOUSE_EVENT)(DWORD, DWORD, DWORD, DWORD, DWORD);
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GETARGPTR(pFrame, sizeof(PMOUSEEVENT16), parg16);
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//
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// mouse_event is declared void, but we'll return the same value as
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// user32.
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//
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ul = ((PFMOUSE_EVENT)(PVOID)mouse_event)(
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parg16->wFlags,
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parg16->dx,
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parg16->dy,
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parg16->cButtons,
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parg16->dwExtraInfo
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);
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FREEARGPTR(parg16);
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RETURN(ul);
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}
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//
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// WU32KeybdEvent: Thunk for 16-bit register-based API keybd_event,
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// with the help of user16 function keybd_event (in
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// winmisc2.asm).
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//
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ULONG FASTCALL WU32KeybdEvent(PVDMFRAME pFrame)
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{
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ULONG ul;
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register PKEYBDEVENT16 parg16;
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typedef ULONG (WINAPI *PFKEYBD_EVENT)(BYTE, BYTE, DWORD, DWORD);
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GETARGPTR(pFrame, sizeof(PKEYBDEVENT16), parg16);
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//
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// keybd_event is declared void, but we'll return the same value as
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// user32.
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//
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ul = ((PFKEYBD_EVENT)(PVOID)keybd_event)(
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LOBYTE(parg16->bVirtualKey),
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LOBYTE(parg16->bScanCode),
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((HIBYTE(parg16->bVirtualKey) == 0x80) ? KEYEVENTF_KEYUP : 0) |
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((HIBYTE(parg16->bScanCode) == 0x1) ? KEYEVENTF_EXTENDEDKEY : 0),
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parg16->dwExtraInfo
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);
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FREEARGPTR(parg16);
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RETURN(ul);
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}
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