/*++
*
* WOW v1.0
*
* Copyright (c) 1991, Microsoft Corporation
*
* WSTRUC.C
* WOW32 16-bit structure conversion support
*
* History:
* Created 27-Jan-1991 by Jeff Parsons (jeffpar)
* Wrote DDE data conversion routines, etc Chandan CHauhan (ChandanC)
*
--*/
#include "precomp.h"
#pragma hdrstop
#include "wowshlp.h"
MODNAME(wstruc.c);
/* Structure copying functions
*
* For input structures, there are GETxxxx16 macros; for output structures
* there are PUTxxxx16 macros. Most or all of these macros will simply call
* the corresponding function below. Nothing magical here....
*/
VOID getstr16(VPSZ vpszSrc, LPSZ lpszDst, INT cb)
{
PSZ pszSrc;
if (cb == 0)
return;
if (cb != -1)
GETVDMPTR(vpszSrc, cb, pszSrc);
else {
GETPSZPTR(vpszSrc, pszSrc);
cb = strlen(pszSrc)+1;
}
RtlCopyMemory(lpszDst, pszSrc, cb);
FREEVDMPTR(pszSrc);
RETURN(NOTHING);
}
VOID putstr16(VPSZ vpszDst, LPCSTR lpszSrc, INT cb)
{
PSZ pszDst;
if (cb == 0)
return;
if (cb == -1)
cb = strlen(lpszSrc)+1;
GETVDMPTR(vpszDst, cb, pszDst);
RtlCopyMemory(pszDst, lpszSrc, cb);
FLUSHVDMPTR(vpszDst, cb, pszDst);
FREEVDMPTR(pszDst);
RETURN(NOTHING);
}
LPRECT getrect16(VPRECT16 vpRect, LPRECT lpRect)
{
register PRECT16 pRect16;
// Some APIs (eg, InvalidateRect) have OPTIONAL input pointers -JTP
if (vpRect) {
GETVDMPTR(vpRect, sizeof(RECT16), pRect16);
lpRect->left = FETCHSHORT(pRect16->left);
lpRect->top = FETCHSHORT(pRect16->top);
lpRect->right = FETCHSHORT(pRect16->right);
lpRect->bottom = FETCHSHORT(pRect16->bottom);
FREEVDMPTR(pRect16);
return lpRect;
}
RETURN(NULL);
}
VOID putrect16(VPRECT16 vpRect, LPRECT lpRect)
{
register PRECT16 pRect16;
// Some APIs (ScrollDC may be the only one) have OPTIONAL output pointers
if (vpRect) {
GETVDMPTR(vpRect, sizeof(RECT16), pRect16);
STORESHORT(pRect16->left, (SHORT)lpRect->left);
STORESHORT(pRect16->top, (SHORT)lpRect->top);
STORESHORT(pRect16->right, (SHORT)lpRect->right);
STORESHORT(pRect16->bottom, (SHORT)lpRect->bottom);
FLUSHVDMPTR(vpRect, sizeof(RECT16), pRect16);
FREEVDMPTR(pRect16);
}
}
VOID getpoint16(VPPOINT16 vpPoint, INT c, LPPOINT lpPoint)
{
register PPOINT16 pPoint16;
// The assumption here is that no APIs have OPTIONAL POINT pointers
// (regardless of whether they're input or output) -JTP
WOW32ASSERT(vpPoint);
if (lpPoint) {
GETVDMPTR(vpPoint, sizeof(POINT16), pPoint16);
while (c--) {
lpPoint->x = pPoint16->x;
lpPoint->y = pPoint16->y;
lpPoint++;
pPoint16++; // ZOWIE Batman, you wouldn't be able to increment
} // this pointer if FREEVDMPTR wasn't a no-op! -JTP
FREEVDMPTR(pPoint16);
}
}
VOID putpoint16(VPPOINT16 vpPoint, INT c, LPPOINT lpPoint)
{
INT cb;
PPOINT16 pPoint16ptr;
register PPOINT16 pPoint16;
// The assumption here is that no APIs have OPTIONAL POINT pointers
// (regardless of whether they're input or output) -JTP
WOW32ASSERT(vpPoint);
if (lpPoint) {
GETVDMPTR(vpPoint, sizeof(POINT16), pPoint16);
cb = c;
pPoint16ptr = pPoint16;
while (c--) {
if (lpPoint->x > (LONG)0x7fff)
pPoint16->x = (SHORT)0x7fff;
else if (lpPoint->x < (LONG)0xffff8000)
pPoint16->x = (SHORT)0x8000;
else
pPoint16->x = (SHORT)lpPoint->x;
if (lpPoint->y > (LONG)0x7fff)
pPoint16->y = (SHORT)0x7fff;
else if (lpPoint->y < (LONG)0xffff8000)
pPoint16->y = (SHORT)0x8000;
else
pPoint16->y = (SHORT)lpPoint->y;
lpPoint++;
pPoint16++;
}
FLUSHVDMPTR(vpPoint, cb*sizeof(POINT16), pPoint16ptr);
FREEVDMPTR(pPoint16ptr);
}
}
VOID getintarray16(VPINT16 vpInt, INT c, LPINT lpInt)
{
INT i;
register INT16 *pInt16;
if (lpInt && GETVDMPTR(vpInt, sizeof(INT16)*c, pInt16)) {
for (i=0; i < c; i++) {
lpInt[i] = FETCHSHORT(pInt16[i]);
}
}
FREEVDMPTR(pInt16);
}
//
// getuintarray16
//
// copies an array of 16-bit unsigned words to an array of 32-bit unsigned
// words. the pointer to 32-bit array must be freed by the caller.
//
VOID getuintarray16(VPWORD vp, INT c, PUINT pu)
{
register WORD *pW16;
if (pu && GETVDMPTR(vp, sizeof(WORD)*c, pW16)) {
while (c--) {
pu[c] = FETCHWORD(pW16[c]);
}
FREEVDMPTR(pW16);
}
}
VOID putintarray16(VPINT16 vpInt, INT c, LPINT lpInt)
{
INT i;
register INT16 *pInt16;
if (lpInt && GETVDMPTR(vpInt, sizeof(INT16)*c, pInt16)) {
for (i=0; i < c; i++) {
STOREWORD(pInt16[i], lpInt[i]);
}
FLUSHVDMPTR(vpInt, sizeof(INT16)*c, pInt16);
FREEVDMPTR(pInt16);
}
}
VOID putkerningpairs16(VPKERNINGPAIR16 vpKrn, UINT c, LPKERNINGPAIR lpKrn)
{
UINT i;
register PKERNINGPAIR16 pKrn16;
WOW32ASSERT(vpKrn);
GETVDMPTR(vpKrn, sizeof(KERNINGPAIR16), pKrn16);
for (i=0; i < c; i++) {
pKrn16[i].wFirst = (WORD) lpKrn[i].wFirst;
pKrn16[i].wSecond = (WORD) lpKrn[i].wSecond;
pKrn16[i].iKernAmount = (INT16) lpKrn[i].iKernAmount;
}
FLUSHVDMPTR(vpKrn, sizeof(KERNINGPAIR16), pKrn16);
FREEVDMPTR(pKrn16);
}
// Fill in a 32 bit DRAWITEMSTRUCT from a 16 bit one
VOID getdrawitem16(VPDRAWITEMSTRUCT16 vpDI16, LPDRAWITEMSTRUCT lpDI)
{
register PDRAWITEMSTRUCT16 pDI16;
GETVDMPTR(vpDI16, sizeof(DRAWITEMSTRUCT16), pDI16);
lpDI->CtlType = FETCHWORD(pDI16->CtlType);
lpDI->CtlID = FETCHWORD(pDI16->CtlID);
if ((SHORT)(lpDI->itemID = FETCHWORD(pDI16->itemID)) == -1) {
lpDI->itemID = (UINT)-1;
}
lpDI->itemAction = FETCHWORD(pDI16->itemAction);
lpDI->itemState = FETCHWORD(pDI16->itemState);
lpDI->hwndItem = HWND32(FETCHWORD(pDI16->hwndItem));
lpDI->hDC = HDC32(FETCHWORD(pDI16->hDC));
lpDI->rcItem.left = (SHORT)pDI16->rcItem.left;
lpDI->rcItem.top = (SHORT)pDI16->rcItem.top;
lpDI->rcItem.right = (SHORT)pDI16->rcItem.right;
lpDI->rcItem.bottom = (SHORT)pDI16->rcItem.bottom;
lpDI->itemData = FETCHDWORD(pDI16->itemData);
FREEVDMPTR(pDI16);
return;
}
// Fill in a 16 bit DRAWITEMSTRUCT from a 32 bit one
VOID putdrawitem16(VPDRAWITEMSTRUCT16 vpDI16, LPDRAWITEMSTRUCT lpDI)
{
register PDRAWITEMSTRUCT16 pDI16;
GETVDMPTR(vpDI16, sizeof(DRAWITEMSTRUCT16), pDI16);
STOREWORD(pDI16->CtlType, lpDI->CtlType);
STOREWORD(pDI16->CtlID, lpDI->CtlID);
STOREWORD(pDI16->itemID, lpDI->itemID);
STOREWORD(pDI16->itemAction, lpDI->itemAction);
STOREWORD(pDI16->itemState, lpDI->itemState);
STOREWORD(pDI16->hwndItem, GETHWND16(lpDI->hwndItem));
STOREWORD(pDI16->hDC, GETHDC16(lpDI->hDC));
pDI16->rcItem.left = (SHORT)lpDI->rcItem.left;
pDI16->rcItem.top = (SHORT)lpDI->rcItem.top;
pDI16->rcItem.right = (SHORT)lpDI->rcItem.right;
pDI16->rcItem.bottom = (SHORT)lpDI->rcItem.bottom;
STOREDWORD(pDI16->itemData, lpDI->itemData);
FREEVDMPTR(pDI16);
return;
}
#ifdef NOTUSED
//
// Allocate and fill a 32bit DropFileStruct based on a 16bit one.
// 16 bit structure is not freed.
//
BOOL getdropfilestruct16(HAND16 hand16, PHANDLE phand32)
{
PDROPFILESTRUCT16 lpdfs16;
LPDROPFILESTRUCT lpdfs32;
VPVOID vp;
INT cb;
vp = GlobalLock16(hand16, &cb);
if (vp) {
GETMISCPTR(vp, lpdfs16);
*phand32 = GlobalAlloc(GMEM_DDESHARE,
cb-sizeof(DROPFILESTRUCT16)+
sizeof(DROPFILESTRUCT));
if (*phand32) {
lpdfs32 = GlobalLock(*phand32);
lpdfs32->pFiles = sizeof(DROPFILESTRUCT);
lpdfs32->pt.x = lpdfs16->x;
lpdfs32->pt.y = lpdfs16->y;
lpdfs32->fNC = lpdfs16->fNC;
lpdfs32->fWide = FALSE;
RtlCopyMemory((LPBYTE)lpdfs32+lpdfs32->pFiles,
(LPBYTE)lpdfs16+lpdfs16->pFiles,
cb-sizeof(DROPFILESTRUCT16));
FREEMISCPTR(lpdfs16);
GlobalUnlock16(hand16);
GlobalUnlock(*phand32);
return TRUE;
} else {
FREEMISCPTR(lpdfs16);
GlobalUnlock16(hand16);
return FALSE;
}
} else {
*phand32 = NULL;
}
return FALSE;
}
#endif
INT GetBMI16Size(PVPVOID vpbmi16, WORD fuColorUse, LPDWORD lpdwClrUsed)
{
int nHdrSize;
int nEntSize;
int nEntries;
int nBitCount;
int nClrUsed = 0;
register PBITMAPINFOHEADER16 pbmi16;
GETVDMPTR(vpbmi16, sizeof(BITMAPINFO16), pbmi16);
nHdrSize = (int) FETCHDWORD(pbmi16->biSize);
if ( fuColorUse == DIB_RGB_COLORS ) {
nEntSize = sizeof(RGBQUAD);
if ( nHdrSize == sizeof(BITMAPCOREHEADER) ) {
nEntSize = sizeof(RGBTRIPLE);
}
}
else {
nEntSize = sizeof(USHORT);
}
if( nHdrSize == sizeof(BITMAPINFOHEADER) ) {
nBitCount = FETCHWORD (pbmi16->biBitCount);
nClrUsed = FETCHDWORD(pbmi16->biClrUsed);
*lpdwClrUsed = nClrUsed;
}
else {
nBitCount = FETCHWORD(((LPBITMAPCOREHEADER)pbmi16)->bcBitCount);
*lpdwClrUsed = 0;
}
/* the following block of code should be this:
*
* if ( nBitCount >= 9 ) { // this is how Win3.1 code says == 24
* nEntries = 1;
* }
* else if ( dwClrUsed ) {
* nEntries = dwClrUsed;
* }
* else {
* nEntries = 1 << nBitCount;
* }
*
* but due to the fact that many apps don't initialize the biBitCount &
* biClrUsed fields (especially biClrUsed) we have to do the following
* sanity checking instead. a-craigj
*/
if ( nBitCount <= 8 ) {
nEntries = 1 << nBitCount;
// for selected apps ? What apps will be broken by this ?
if (nClrUsed > 0 && nClrUsed < nEntries)
nEntries = nClrUsed;
}
else if (( nBitCount == 16 ) || ( nBitCount == 32)) {
nEntries = 3;
}
// everything else including (nBitCount == 24)
else {
nEntries = 0;
}
// if this asserts it's an app bug
// Changed assert to warning at Craig's request - DaveHart
#ifdef DEBUG
if (!(nEntries > 1) && !(nBitCount == 24)) {
LOGDEBUG(LOG_ALWAYS, ("WOW::GetBMI16Size:bad BitCount:a-craigj\n"));
}
#endif
// this will never be true for a CORE type DIB
if(*lpdwClrUsed > (DWORD)nEntries) {
*lpdwClrUsed = nEntries;
}
FREEVDMPTR(pbmi16);
return ( nHdrSize + (nEntries * nEntSize) );
}
INT GetBMI32Size(LPBITMAPINFO lpbmi32, WORD fuColorUse)
{
int nHdrSize;
int nEntSize;
int nEntries;
int nBitCount;
DWORD dwClrUsed;
nHdrSize = (int)((LPBITMAPINFOHEADER)lpbmi32)->biSize;
if ( fuColorUse == DIB_RGB_COLORS ) {
nEntSize = sizeof(RGBQUAD);
if ( nHdrSize == sizeof(BITMAPCOREHEADER) ) {
nEntSize = sizeof(RGBTRIPLE);
}
}
else {
nEntSize = sizeof(USHORT);
}
if( nHdrSize == sizeof(BITMAPINFOHEADER) ) {
nBitCount = ((LPBITMAPINFOHEADER)lpbmi32)->biBitCount;
dwClrUsed = ((LPBITMAPINFOHEADER)lpbmi32)->biClrUsed;
}
else {
nBitCount = (int)((LPBITMAPCOREHEADER)lpbmi32)->bcBitCount;
dwClrUsed = 0;
}
nEntries = 0;
if ( nBitCount < 9 ) {
if((nBitCount == 4) || (nBitCount == 8) || (nBitCount == 1)) {
nEntries = 1 << nBitCount;
}
else if (( nBitCount == 16 ) || ( nBitCount == 32)) {
nEntries = 3;
}
// if this asserts it's an app bug -- we'll try to salvage things
WOW32ASSERTMSG((nEntries > 1),
("WOW::GetBMI32Size:bad BitCount:a-craigj\n"));
// sanity check for apps (lots) that don't init the dwClrUsed field
if(dwClrUsed) {
nEntries = (int)min((DWORD)nEntries, dwClrUsed);
}
}
return ( nHdrSize + (nEntries * nEntSize) );
}
LPBITMAPINFO CopyBMI16ToBMI32(PVPVOID vpbmi16, LPBITMAPINFO lpbmi32, WORD fuColorUse)
{
INT nbmiSize = 0;
DWORD dwClrUsed;
register LPVOID pbmi16;
if(vpbmi16) {
if((nbmiSize = GetBMI16Size(vpbmi16, fuColorUse, &dwClrUsed)) != 0) {
GETVDMPTR(vpbmi16, nbmiSize, pbmi16);
// We can't trust the size we get since apps don't fill in the
// structure correctly so we do a try except around the copy
// to the 32 bit structure. That way if we go off the end of
// memory it doesn't matter, we continue going. - mattfe june 93
try {
RtlCopyMemory ((VOID *)lpbmi32, (CONST VOID *)pbmi16, nbmiSize);
} except (TRUE) {
// Continue if we wen't off the end of 16 bit memory
}
// patch color use field in 32-bit BMIH
// INFO headers only - CORE headers will have dwClrUsed == 0
if(dwClrUsed) {
((LPBITMAPINFOHEADER)lpbmi32)->biClrUsed = dwClrUsed;
}
FREEVDMPTR(pbmi16);
return (lpbmi32);
}
}
return (NULL);
}
LPBITMAPINFOHEADER CopyBMIH16ToBMIH32(PVPVOID vpbmih16, LPBITMAPINFOHEADER lpbmih32)
{
DWORD dwHeaderSize = 0L;
register PBITMAPINFOHEADER16 pbmih16;
if(vpbmih16) {
GETVDMPTR(vpbmih16, sizeof(BITMAPINFOHEADER16), pbmih16);
dwHeaderSize = FETCHDWORD(pbmih16->biSize);
RtlCopyMemory((VOID *)lpbmih32,(CONST VOID *)pbmih16,(int)dwHeaderSize);
FREEVDMPTR(pbmih16);
return(lpbmih32);
}
return(NULL);
}
// Fill in a 32 bit MEASUREITEMSTRUCT from a 16 bit one
VOID getmeasureitem16(VPMEASUREITEMSTRUCT16 vpMI16, LPMEASUREITEMSTRUCT lpMI, HWND16 hwnd16 )
{
register PMEASUREITEMSTRUCT16 pMI16;
DWORD dw;
BOOL fHasStrings;
GETVDMPTR(vpMI16, sizeof(MEASUREITEMSTRUCT16), pMI16);
lpMI->CtlType = FETCHWORD(pMI16->CtlType);
lpMI->CtlID = FETCHWORD(pMI16->CtlID);
lpMI->itemID = FETCHWORD(pMI16->itemID);
lpMI->itemWidth = FETCHWORD(pMI16->itemWidth);
lpMI->itemHeight = FETCHWORD(pMI16->itemHeight);
fHasStrings = FALSE;
if ( lpMI->CtlType == ODT_COMBOBOX ) {
dw = GetWindowLong( GetDlgItem(HWND32(hwnd16),lpMI->CtlID), GWL_STYLE );
fHasStrings = (dw & CBS_HASSTRINGS);
}
if ( lpMI->CtlType == ODT_LISTBOX ) {
dw = GetWindowLong( GetDlgItem(HWND32(hwnd16),lpMI->CtlID), GWL_STYLE );
fHasStrings = (dw & LBS_HASSTRINGS);
}
if ( fHasStrings ) {
GETPSZPTR(pMI16->itemData, (PVOID)lpMI->itemData);
} else {
lpMI->itemData = FETCHDWORD(pMI16->itemData);
}
FREEVDMPTR(pMI16);
return;
}
// Fill in a 16 bit MEASUREITEMSTRUCT from a 32 bit one
VOID putmeasureitem16(VPMEASUREITEMSTRUCT16 vpMI16, LPMEASUREITEMSTRUCT lpMI)
{
register PMEASUREITEMSTRUCT16 pMI16;
GETVDMPTR(vpMI16, sizeof(MEASUREITEMSTRUCT16), pMI16);
STOREWORD(pMI16->CtlType, lpMI->CtlType);
STOREWORD(pMI16->CtlID, lpMI->CtlID);
STOREWORD(pMI16->itemID, lpMI->itemID);
STOREWORD(pMI16->itemWidth, lpMI->itemWidth);
STOREWORD(pMI16->itemHeight, lpMI->itemHeight);
STOREDWORD(pMI16->itemData, lpMI->itemData);
FREEVDMPTR(pMI16);
return;
}
// Fill in a 32 bit DELETEITEMSTRUCT from a 16 bit one
VOID getdeleteitem16(VPDELETEITEMSTRUCT16 vpDI16, LPDELETEITEMSTRUCT lpDI)
{
register PDELETEITEMSTRUCT16 pDI16;
GETVDMPTR(vpDI16, sizeof(DELETEITEMSTRUCT16), pDI16);
lpDI->CtlType = FETCHWORD(pDI16->CtlType);
lpDI->CtlID = FETCHWORD(pDI16->CtlID);
lpDI->itemID = FETCHWORD(pDI16->itemID);
lpDI->hwndItem = HWND32(FETCHWORD(pDI16->hwndItem));
lpDI->itemData = FETCHDWORD(pDI16->itemData);
FREEVDMPTR(pDI16);
return;
}
// Fill in a 16 bit DELETEITEMSTRUCT from a 32 bit one
VOID putdeleteitem16(VPDELETEITEMSTRUCT16 vpDI16, LPDELETEITEMSTRUCT lpDI)
{
register PDELETEITEMSTRUCT16 pDI16;
GETVDMPTR(vpDI16, sizeof(DELETEITEMSTRUCT16), pDI16);
STOREWORD(pDI16->CtlType, lpDI->CtlType);
STOREWORD(pDI16->CtlID, lpDI->CtlID);
STOREWORD(pDI16->itemID, lpDI->itemID);
STOREWORD(pDI16->hwndItem, GETHWND16(lpDI->hwndItem));
FLUSHVDMPTR(vpDI16, sizeof(DELETEITEMSTRUCT16), pDI16);
FREEVDMPTR(pDI16);
return;
}
// Fill in a 32 bit COMPAREITEMSTRUCT from a 16 bit one
VOID getcompareitem16(VPCOMPAREITEMSTRUCT16 vpCI16, LPCOMPAREITEMSTRUCT lpCI)
{
register PCOMPAREITEMSTRUCT16 pCI16;
GETVDMPTR(vpCI16, sizeof(COMPAREITEMSTRUCT16), pCI16);
lpCI->CtlType = FETCHWORD (pCI16->CtlType);
lpCI->CtlID = FETCHWORD (pCI16->CtlID);
lpCI->hwndItem = HWND32(pCI16->hwndItem);
lpCI->itemID1 = FETCHWORD (pCI16->itemID1);
lpCI->itemID2 = FETCHWORD (pCI16->itemID2);
lpCI->itemData1 = FETCHDWORD(pCI16->itemData1);
lpCI->itemData2 = FETCHDWORD(pCI16->itemData2);
FREEVDMPTR(pCI16);
return;
}
// Fill in a 16 bit COMPAREITEMSTRUCT from a 32 bit one
VOID putcompareitem16(VPCOMPAREITEMSTRUCT16 vpCI16, LPCOMPAREITEMSTRUCT lpCI)
{
register PCOMPAREITEMSTRUCT16 pCI16;
GETVDMPTR(vpCI16, sizeof(COMPAREITEMSTRUCT16), pCI16);
STOREWORD (pCI16->CtlType, (lpCI)->CtlType);
STOREWORD (pCI16->CtlID, (lpCI)->CtlID);
STOREWORD (pCI16->hwndItem, GETHWND16((lpCI)->hwndItem));
STOREWORD (pCI16->itemID1, (lpCI)->itemID1);
STOREWORD (pCI16->itemID2, (lpCI)->itemID2);
STOREDWORD(pCI16->itemData1, (lpCI)->itemData1);
STOREDWORD(pCI16->itemData2, (lpCI)->itemData2);
FLUSHVDMPTR(vpCI16, sizeof(COMPAREITEMSTRUCT16), pCI16);
FREEVDMPTR(pCI16);
return;
}
// NOTE: The below two routines are useful to changing a simple 16-bit message
// into a 32-bit message and vice-versa. The routines take into account only
// those messages which can be returned from GetMessage(), or passed to
// DispatchMessage(), etc. Normally these are only input messages (all other
// messages are sent rather than posted. This type of message has been
// extended to include DDE messages (they are posted too) and WM_TIMER messages.
// If you question this ability, please talk with me. -BobDay
// These routines should only be called from these routines:
// CallMsgFilter
// DispatchMessage
// GetMessage
// IsDialogMessage
// TranslateAccelerator
// TranslateMDISysAccel
// TranslateMessage
// PeekMessage
// WM32GetDlgCode
// ThunkWMMsg16
// Don't call them from any other function!
//
// WARNING: May cause 16-bit memory movement, invalidating flat pointers.
// Fill in a 32 bit MSG from a 16 bit one
// See NOTE above!
VOID getmsg16(VPMSG16 vpmsg16, LPMSG lpmsg, LPMSGPARAMEX lpmpex)
{
register PMSG16 pmsg16;
UINT message;
HWND16 hwnd16;
WPARAM wParam;
LPARAM lParam;
WPARAM uParam;
GETVDMPTR(vpmsg16, sizeof(MSG16), pmsg16);
hwnd16 = FETCHWORD(pmsg16->hwnd);
message = FETCHWORD(pmsg16->message);
wParam = FETCHWORD(pmsg16->wParam);
lParam = FETCHLONG(pmsg16->lParam);
uParam = INT32(wParam); // default thunking - sign extend
#ifdef DEBUG
if (HIWORD(wParam) &&
!(message==WM_TIMER || message==WM_COMMAND || message==WM_DROPFILES ||
(message >= WM_DDE_FIRST && message <= WM_DDE_LAST))) {
LOGDEBUG(LOG_ALWAYS,("WOW: getmsg16 - losing HIWORD(wParam)!"));
WOW32ASSERT(FALSE);
}
#endif
if ( message == WM_TIMER ) {
HAND16 htask16;
PTMR ptmr;
WORD wIDEvent;
htask16 = CURRENTPTD()->htask16;
wIDEvent = wParam;
ptmr = FindTimer16( hwnd16, htask16, wIDEvent );
if ( !ptmr ) {
LOGDEBUG(LOG_TRACE,(" getmsg16 WARNING: cannot find timer %04x\n", wIDEvent));
} else {
uParam = (WPARAM)wIDEvent; // wParam is unsigned word
lParam = ptmr->dwTimerProc32; // 32-bit proc or NULL
}
} else if (message == WM_SYSCOMMAND || message == WM_COMMAND || message == WM_DROPFILES ||
( message >= WM_DDE_FIRST && message <= WM_DDE_LAST )) {
HWND hwnd32;
lpmpex->Parm16.WndProc.hwnd = hwnd16;
lpmpex->Parm16.WndProc.wMsg = message;
lpmpex->Parm16.WndProc.wParam = wParam;
lpmpex->Parm16.WndProc.lParam = lParam;
lpmpex->iMsgThunkClass = WOWCLASS_WIN16;
hwnd32 = ThunkMsg16(lpmpex);
// memory may have moved
FREEVDMPTR(pmsg16);
GETVDMPTR(vpmsg16, sizeof(MSG16), pmsg16);
lParam = lpmpex->lParam;
lpmsg->hwnd = hwnd32;
lpmsg->message = lpmpex->uMsg;
lpmsg->wParam = lpmpex->uParam;
if (message == WM_DDE_INITIATE) {
LOGDEBUG(LOG_ALWAYS,("WOW::getmsg16:*** ERROR: saw WM_DDE_INITIATE message %04x\n", message));
WI32DDEDeleteInitiator((HAND16) FETCHWORD(pmsg16->wParam));
}
goto finish_up;
}
lpmsg->hwnd = HWND32(hwnd16);
lpmsg->message = message;
lpmsg->wParam = uParam;
finish_up:
lpmsg->lParam = lParam;
lpmsg->time = FETCHLONG(pmsg16->time);
lpmsg->pt.x = FETCHSHORT(pmsg16->pt.x);
lpmsg->pt.y = FETCHSHORT(pmsg16->pt.y);
FREEVDMPTR(pmsg16);
return;
}
/*
* Int 16 state key state bits (in order of Int 16 flags)
*/
BYTE abStateVK[] = { VK_RSHIFT,
VK_LSHIFT,
VK_CONTROL,
VK_MENU} ;
/*
* Int 16 state key toggle bits (in order of Int 16 flags)
*/
BYTE abToggleVK[] = { VK_SCROLL,
VK_NUMLOCK,
VK_CAPITAL,
VK_INSERT};
// Updates the Int16 bios shift key state info
// (uses "synchronous" key state)
// GetKeyState is a very fast call (GetAsyncKeyState is not)
void UpdateInt16State(void)
{
BYTE bInt16State = 0;
LPBYTE lpbInt16Data;
int iBit;
/*
* Get the toggled keys and OR in their toggle state
*/
for( iBit = sizeof(abToggleVK)/sizeof(abToggleVK[0])-1;
iBit >= 0; iBit--) {
bInt16State = bInt16State << 1;
if (GetKeyState(abToggleVK[iBit]) & 1)
bInt16State |= 1;
}
/*
* Get the state keys and OR in their current state
*/
for( iBit = sizeof(abStateVK)/sizeof(abStateVK[0])-1;
iBit >= 0; iBit--) {
bInt16State = bInt16State << 1;
if (GetKeyState(abStateVK[iBit]) & 0x8000)
bInt16State |= 1;
}
// Int 16 keyboard state is at 40:17
//
// We need to update this address with the current state of
// the keyboard buffer.
lpbInt16Data = (LPBYTE)GetRModeVDMPointer(0x400017);
*lpbInt16Data = bInt16State;
}
// Fill in a 16 bit MSG from a 32 bit one
// See NOTE above!
ULONG putmsg16(VPMSG16 vpmsg16, LPMSG lpmsg)
{
register PMSG16 pmsg16;
UINT message;
WPARAM wParam;
LPARAM lParam;
WM32MSGPARAMEX wm32mpex;
ULONG ulReturn;
message = lpmsg->message;
wParam = lpmsg->wParam;
lParam = lpmsg->lParam;
if (message == WM_TIMER) {
PTMR ptmr;
ptmr = FindTimer32((HWND16)(GETHWND16(lpmsg->hwnd)), (DWORD)wParam);
if ( !ptmr ) {
LOGDEBUG(LOG_TRACE,(" putmsg16 ERROR: cannot find timer %08x\n", lpmsg->wParam));
} else {
lParam = ptmr->vpfnTimerProc; // 16-bit address or NULL
}
}
else if ((message == WM_COMMAND) ||
(message >= WM_DDE_FIRST && message <= WM_DDE_LAST) ||
(message == WM_DROPFILES)) {
WORD wParamNew = (WORD)wParam;
LONG lParamNew = (LONG)lParam;
wm32mpex.Parm16.WndProc.wParam = (WORD)wParam;
wm32mpex.Parm16.WndProc.lParam = (LONG)lParam;
wm32mpex.fThunk = THUNKMSG;
wm32mpex.hwnd = lpmsg->hwnd;
wm32mpex.uMsg = message;
wm32mpex.uParam = wParam;
wm32mpex.lParam = lParam;
wm32mpex.pww = (PWW)NULL;
wm32mpex.fFree = FALSE;
wm32mpex.lpfnM32 = aw32Msg[message].lpfnM32;
ulReturn = (wm32mpex.lpfnM32)(&wm32mpex);
if (ulReturn) {
wParam = (WPARAM) wm32mpex.Parm16.WndProc.wParam;
lParam = (LPARAM) wm32mpex.Parm16.WndProc.lParam;
}
else {
if ((message == WM_DDE_DATA) || (message == WM_DDE_POKE)) {
wParam = (WPARAM) wm32mpex.Parm16.WndProc.wParam;
lParam = (LPARAM) wm32mpex.Parm16.WndProc.lParam;
}
}
} else if (message >= WM_KEYFIRST && message <= WM_KEYLAST) {
UpdateInt16State();
}
GETVDMPTR(vpmsg16, sizeof(MSG16), pmsg16);
STOREWORD(pmsg16->hwnd, GETHWND16(lpmsg->hwnd));
STOREWORD(pmsg16->message, message);
STOREWORD(pmsg16->wParam, wParam);
STORELONG(pmsg16->lParam, lParam);
STORELONG(pmsg16->time, lpmsg->time);
STOREWORD(pmsg16->pt.x, lpmsg->pt.x);
STOREWORD(pmsg16->pt.y, lpmsg->pt.y);
FLUSHVDMPTR(vpmsg16, sizeof(MSG16), pmsg16);
FREEVDMPTR(pmsg16);
return (ulReturn);
}
// Fill in a 32 bit LOGFONT from a 16 bit LOGFONT
VOID getlogfont16(VPLOGFONT16 vplf, LPLOGFONT lplf)
{
register PLOGFONT16 plf16;
// PBYTE p1, p2;
// The assumption here is that no APIs have OPTIONAL LOGFONT pointers
WOW32ASSERT(vplf);
GETVDMPTR(vplf, sizeof(LOGFONT16), plf16);
lplf->lfHeight = FETCHSHORT(plf16->lfHeight);
lplf->lfWidth = FETCHSHORT(plf16->lfWidth);
lplf->lfEscapement = FETCHSHORT(plf16->lfEscapement);
lplf->lfOrientation = FETCHSHORT(plf16->lfOrientation);
lplf->lfWeight = FETCHSHORT(plf16->lfWeight);
lplf->lfItalic = plf16->lfItalic;
lplf->lfUnderline = plf16->lfUnderline;
lplf->lfStrikeOut = plf16->lfStrikeOut;
lplf->lfCharSet = plf16->lfCharSet;
lplf->lfOutPrecision = plf16->lfOutPrecision;
lplf->lfClipPrecision = plf16->lfClipPrecision;
lplf->lfQuality = plf16->lfQuality;
lplf->lfPitchAndFamily = plf16->lfPitchAndFamily;
#if 0
//
// can't do it this way, an app can have an unitialized lfFaceName
// that's a looong stream of non-null chars, in which case we blow
// out our stack.
//
p1 = lplf->lfFaceName;
p2 = plf16->lfFaceName;
while (*p1++ = *p2++);
#else
#if (LF_FACESIZE != 32)
#error Win16/Win32 LF_FACESIZE constants differ
#endif
strncpy(lplf->lfFaceName, (const char *)plf16->lfFaceName, LF_FACESIZE);
#endif
// if (*p2) {
// i = 0;
// while ((i < LF_FACESIZE) && (*p2)) {
// *p1++ = *p2++;
// i++;
// }
// *p1 = *p2;
//
// } else {
// lstrcpy(lplf->lfFaceName, "System");
// }
FREEVDMPTR(plf16);
}
// Fill in a 16 bit LOGFONT from a 32 bit LOGFONT
VOID putlogfont16(VPLOGFONT16 vplf, INT cb, LPLOGFONT lplf)
{
register PLOGFONT16 plf16;
PBYTE p1, p2;
INT cbCopied;
// The assumption here is that no APIs have OPTIONAL LOGFONT pointers
WOW32ASSERT(vplf);
GETVDMPTR(vplf, sizeof(LOGFONT16), plf16);
switch (cb)
{
default:
plf16->lfPitchAndFamily = lplf->lfPitchAndFamily;
case 17:
plf16->lfQuality = lplf->lfQuality;
case 16:
plf16->lfClipPrecision = lplf->lfClipPrecision;
case 15:
plf16->lfOutPrecision = lplf->lfOutPrecision;
case 14:
plf16->lfCharSet = lplf->lfCharSet;
case 13:
plf16->lfStrikeOut = lplf->lfStrikeOut;
case 12:
plf16->lfUnderline = lplf->lfUnderline;
case 11:
plf16->lfItalic = lplf->lfItalic;
case 10:
STORESHORT(plf16->lfWeight, lplf->lfWeight);
case 9:
case 8:
STORESHORT(plf16->lfOrientation,lplf->lfOrientation);
case 7:
case 6:
STORESHORT(plf16->lfEscapement, lplf->lfEscapement);
case 5:
case 4:
STORESHORT(plf16->lfWidth, lplf->lfWidth);
case 3:
case 2:
STORESHORT(plf16->lfHeight, lplf->lfHeight);
case 1:
break;
}
p1 = lplf->lfFaceName;
p2 = (PBYTE)plf16->lfFaceName;
cbCopied = 18;
while ((++cbCopied <= cb) && (*p2++ = *p1++));
FLUSHVDMPTR(vplf, sizeof(LOGFONT16), plf16);
FREEVDMPTR(plf16);
}
// Fill in a 16 bit ENUMLOGFONT from a 32 bit ENUMLOGFONT
VOID putenumlogfont16(VPENUMLOGFONT16 vpelf, LPENUMLOGFONT lpelf)
{
register PENUMLOGFONT16 pelf16;
PBYTE p1, p2;
// The assumption here is that no APIs have OPTIONAL ENUMLOGFONT pointers
WOW32ASSERT(vpelf);
GETVDMPTR(vpelf, sizeof(ENUMLOGFONT16), pelf16);
STORESHORT(pelf16->elfLogFont.lfHeight, lpelf->elfLogFont.lfHeight);
STORESHORT(pelf16->elfLogFont.lfWidth, lpelf->elfLogFont.lfWidth);
STORESHORT(pelf16->elfLogFont.lfEscapement, lpelf->elfLogFont.lfEscapement);
STORESHORT(pelf16->elfLogFont.lfOrientation,lpelf->elfLogFont.lfOrientation);
STORESHORT(pelf16->elfLogFont.lfWeight, lpelf->elfLogFont.lfWeight);
pelf16->elfLogFont.lfItalic = lpelf->elfLogFont.lfItalic;
pelf16->elfLogFont.lfUnderline = lpelf->elfLogFont.lfUnderline;
pelf16->elfLogFont.lfStrikeOut = lpelf->elfLogFont.lfStrikeOut;
pelf16->elfLogFont.lfCharSet = lpelf->elfLogFont.lfCharSet;
pelf16->elfLogFont.lfOutPrecision = lpelf->elfLogFont.lfOutPrecision;
pelf16->elfLogFont.lfClipPrecision = lpelf->elfLogFont.lfClipPrecision;
pelf16->elfLogFont.lfQuality = lpelf->elfLogFont.lfQuality;
pelf16->elfLogFont.lfPitchAndFamily = lpelf->elfLogFont.lfPitchAndFamily;
p1 = lpelf->elfLogFont.lfFaceName;
p2 = (PBYTE)pelf16->elfLogFont.lfFaceName;
while ((*p2++ = *p1++) != '\0');
p1 = lpelf->elfFullName;
p2 = (PBYTE)pelf16->elfFullName;
while ((*p2++ = *p1++) != '\0');
p1 = lpelf->elfStyle;
p2 = (PBYTE)pelf16->elfStyle;
while ((*p2++ = *p1++) != '\0');
FLUSHVDMPTR(vpelf, sizeof(ENUMLOGFONT16), pelf16);
FREEVDMPTR(pelf16);
}
VOID puttextmetric16(VPTEXTMETRIC16 vptm, LPTEXTMETRIC lptm)
{
register PTEXTMETRIC16 ptm16;
// The assumption here is that no APIs have OPTIONAL TEXTMETRIC pointers
WOW32ASSERT(vptm);
GETVDMPTR(vptm, sizeof(TEXTMETRIC16), ptm16);
STORESHORT(ptm16->tmHeight, (lptm)->tmHeight);
STORESHORT(ptm16->tmAscent, (lptm)->tmAscent);
STORESHORT(ptm16->tmDescent, (lptm)->tmDescent);
STORESHORT(ptm16->tmInternalLeading,(lptm)->tmInternalLeading);
STORESHORT(ptm16->tmExternalLeading,(lptm)->tmExternalLeading);
STORESHORT(ptm16->tmAveCharWidth, (lptm)->tmAveCharWidth);
STORESHORT(ptm16->tmMaxCharWidth, (lptm)->tmMaxCharWidth);
STORESHORT(ptm16->tmWeight, (lptm)->tmWeight);
ptm16->tmItalic = (lptm)->tmItalic;
ptm16->tmUnderlined = (lptm)->tmUnderlined;
ptm16->tmStruckOut = (lptm)->tmStruckOut;
ptm16->tmFirstChar = (lptm)->tmFirstChar;
ptm16->tmLastChar = (lptm)->tmLastChar;
ptm16->tmDefaultChar = (lptm)->tmDefaultChar;
ptm16->tmBreakChar = (lptm)->tmBreakChar;
ptm16->tmPitchAndFamily = (lptm)->tmPitchAndFamily;
ptm16->tmCharSet = (lptm)->tmCharSet;
STORESHORT(ptm16->tmOverhang, (lptm)->tmOverhang);
STORESHORT(ptm16->tmDigitizedAspectX,(lptm)->tmDigitizedAspectX);
STORESHORT(ptm16->tmDigitizedAspectY,(lptm)->tmDigitizedAspectY);
FLUSHVDMPTR(vptm, sizeof(TEXTMETRIC16), ptm16);
FREEVDMPTR(ptm16);
}
VOID putnewtextmetric16(VPNEWTEXTMETRIC16 vpntm, LPNEWTEXTMETRIC lpntm)
{
register PNEWTEXTMETRIC16 pntm16;
// The assumption here is that no APIs have OPTIONAL TEXTMETRIC pointers
WOW32ASSERT(vpntm);
GETVDMPTR(vpntm, sizeof(NEWTEXTMETRIC16), pntm16);
STORESHORT(pntm16->tmHeight, (lpntm)->tmHeight);
STORESHORT(pntm16->tmAscent, (lpntm)->tmAscent);
STORESHORT(pntm16->tmDescent, (lpntm)->tmDescent);
STORESHORT(pntm16->tmInternalLeading, (lpntm)->tmInternalLeading);
STORESHORT(pntm16->tmExternalLeading, (lpntm)->tmExternalLeading);
STORESHORT(pntm16->tmAveCharWidth, (lpntm)->tmAveCharWidth);
STORESHORT(pntm16->tmMaxCharWidth, (lpntm)->tmMaxCharWidth);
STORESHORT(pntm16->tmWeight, (lpntm)->tmWeight);
pntm16->tmItalic = (lpntm)->tmItalic;
pntm16->tmUnderlined = (lpntm)->tmUnderlined;
pntm16->tmStruckOut = (lpntm)->tmStruckOut;
pntm16->tmFirstChar = (lpntm)->tmFirstChar;
pntm16->tmLastChar = (lpntm)->tmLastChar;
pntm16->tmDefaultChar = (lpntm)->tmDefaultChar;
pntm16->tmBreakChar = (lpntm)->tmBreakChar;
pntm16->tmPitchAndFamily = (lpntm)->tmPitchAndFamily;
pntm16->tmCharSet = (lpntm)->tmCharSet;
STORESHORT(pntm16->tmOverhang, (lpntm)->tmOverhang);
STORESHORT(pntm16->tmDigitizedAspectX, (lpntm)->tmDigitizedAspectX);
STORESHORT(pntm16->tmDigitizedAspectY, (lpntm)->tmDigitizedAspectY);
STOREDWORD(pntm16->ntmFlags, (lpntm)->ntmFlags);
STOREWORD( pntm16->ntmSizeEM, (WORD)((lpntm)->ntmSizeEM));
STOREWORD( pntm16->ntmCellHeight, (WORD)((lpntm)->ntmCellHeight));
STOREWORD( pntm16->ntmAvgWidth, (WORD)((lpntm)->ntmAvgWidth));
FLUSHVDMPTR(vpntm, sizeof(NEWTEXTMETRIC16), pntm16);
FREEVDMPTR(pntm16);
}
VOID putoutlinetextmetric16(VPOUTLINETEXTMETRIC16 vpotm, INT cb, LPOUTLINETEXTMETRIC lpotm)
{
register POUTLINETEXTMETRIC16 potm16;
OUTLINETEXTMETRIC16 otm16;
int count;
GETVDMPTR(vpotm, cb, potm16);
otm16.otmSize = (WORD)lpotm->otmSize;
/*
** Copy the TEXTMETRIC structure
*/
otm16.otmTextMetrics.tmHeight = (SHORT)lpotm->otmTextMetrics.tmHeight;
otm16.otmTextMetrics.tmAscent = (SHORT)lpotm->otmTextMetrics.tmAscent;
otm16.otmTextMetrics.tmDescent = (SHORT)lpotm->otmTextMetrics.tmDescent;
otm16.otmTextMetrics.tmInternalLeading = (SHORT)lpotm->otmTextMetrics.tmInternalLeading;
otm16.otmTextMetrics.tmExternalLeading = (SHORT)lpotm->otmTextMetrics.tmExternalLeading;
otm16.otmTextMetrics.tmAveCharWidth = (SHORT)lpotm->otmTextMetrics.tmAveCharWidth;
otm16.otmTextMetrics.tmMaxCharWidth = (SHORT)lpotm->otmTextMetrics.tmMaxCharWidth;
otm16.otmTextMetrics.tmWeight = (SHORT)lpotm->otmTextMetrics.tmWeight;
otm16.otmTextMetrics.tmItalic = lpotm->otmTextMetrics.tmItalic;
otm16.otmTextMetrics.tmUnderlined = lpotm->otmTextMetrics.tmUnderlined;
otm16.otmTextMetrics.tmStruckOut = lpotm->otmTextMetrics.tmStruckOut;
otm16.otmTextMetrics.tmFirstChar = lpotm->otmTextMetrics.tmFirstChar;
otm16.otmTextMetrics.tmLastChar = lpotm->otmTextMetrics.tmLastChar;
otm16.otmTextMetrics.tmDefaultChar = lpotm->otmTextMetrics.tmDefaultChar;
otm16.otmTextMetrics.tmBreakChar = lpotm->otmTextMetrics.tmBreakChar;
otm16.otmTextMetrics.tmPitchAndFamily = lpotm->otmTextMetrics.tmPitchAndFamily;
otm16.otmTextMetrics.tmCharSet = lpotm->otmTextMetrics.tmCharSet;
otm16.otmTextMetrics.tmOverhang = (SHORT)lpotm->otmTextMetrics.tmOverhang;
otm16.otmTextMetrics.tmDigitizedAspectX = (SHORT)lpotm->otmTextMetrics.tmDigitizedAspectX;
otm16.otmTextMetrics.tmDigitizedAspectY = (SHORT)lpotm->otmTextMetrics.tmDigitizedAspectY;
otm16.otmFiller = lpotm->otmFiller;
/*
** Panose
*/
otm16.otmPanoseNumber.bFamilyType = lpotm->otmPanoseNumber.bFamilyType;
otm16.otmPanoseNumber.bSerifStyle = lpotm->otmPanoseNumber.bSerifStyle;
otm16.otmPanoseNumber.bWeight = lpotm->otmPanoseNumber.bWeight;
otm16.otmPanoseNumber.bProportion = lpotm->otmPanoseNumber.bProportion;
otm16.otmPanoseNumber.bContrast = lpotm->otmPanoseNumber.bContrast;
otm16.otmPanoseNumber.bStrokeVariation = lpotm->otmPanoseNumber.bStrokeVariation;
otm16.otmPanoseNumber.bArmStyle = lpotm->otmPanoseNumber.bArmStyle;
otm16.otmPanoseNumber.bMidline = lpotm->otmPanoseNumber.bMidline;
otm16.otmPanoseNumber.bXHeight = lpotm->otmPanoseNumber.bXHeight;
otm16.otmfsSelection = (WORD)lpotm->otmfsSelection;
otm16.otmfsType = (WORD)lpotm->otmfsType;
otm16.otmsCharSlopeRise = (SHORT)lpotm->otmsCharSlopeRise;
otm16.otmsCharSlopeRun = (SHORT)lpotm->otmsCharSlopeRun;
otm16.otmItalicAngle = (SHORT)lpotm->otmItalicAngle;
otm16.otmEMSquare = (WORD)lpotm->otmEMSquare;
otm16.otmAscent = (SHORT)lpotm->otmAscent;
otm16.otmDescent = (SHORT)lpotm->otmDescent;
otm16.otmLineGap = (WORD)lpotm->otmLineGap;
otm16.otmsCapEmHeight = (WORD)lpotm->otmsCapEmHeight;
otm16.otmsXHeight = (WORD)lpotm->otmsXHeight;
/*
** Font Box Rectangle (ZOWIE!, I sure wish I could use putrect16 but alas!)
*/
otm16.otmrcFontBox.left = (SHORT)lpotm->otmrcFontBox.left;
otm16.otmrcFontBox.top = (SHORT)lpotm->otmrcFontBox.top;
otm16.otmrcFontBox.right = (SHORT)lpotm->otmrcFontBox.right;
otm16.otmrcFontBox.bottom = (SHORT)lpotm->otmrcFontBox.bottom;
otm16.otmMacAscent = (SHORT)lpotm->otmMacAscent;
otm16.otmMacDescent = (SHORT)lpotm->otmMacDescent;
otm16.otmMacLineGap = (WORD)lpotm->otmMacLineGap;
otm16.otmusMinimumPPEM = (WORD)lpotm->otmusMinimumPPEM;
otm16.otmptSubscriptSize.x = (SHORT)lpotm->otmptSubscriptSize.x;
otm16.otmptSubscriptSize.y = (SHORT)lpotm->otmptSubscriptSize.y;
otm16.otmptSubscriptOffset.x = (SHORT)lpotm->otmptSubscriptOffset.x;
otm16.otmptSubscriptOffset.y = (SHORT)lpotm->otmptSubscriptOffset.y;
otm16.otmptSuperscriptSize.x = (SHORT)lpotm->otmptSuperscriptSize.x;
otm16.otmptSuperscriptSize.y = (SHORT)lpotm->otmptSuperscriptSize.y;
otm16.otmptSuperscriptOffset.x = (SHORT)lpotm->otmptSuperscriptOffset.x;
otm16.otmptSuperscriptOffset.y = (SHORT)lpotm->otmptSuperscriptOffset.y;
otm16.otmsStrikeoutSize = (WORD)lpotm->otmsStrikeoutSize;
otm16.otmsStrikeoutPosition = (SHORT)lpotm->otmsStrikeoutPosition;
otm16.otmsUnderscorePosition = (SHORT)lpotm->otmsUnderscorePosition;
otm16.otmsUnderscoreSize = (SHORT)lpotm->otmsUnderscoreSize;
otm16.otmpFamilyName = (WORD) (lpotm->otmpFamilyName -
sizeof(OUTLINETEXTMETRIC) + sizeof(OUTLINETEXTMETRIC16));
otm16.otmpFaceName = (WORD) (lpotm->otmpFaceName -
sizeof(OUTLINETEXTMETRIC) + sizeof(OUTLINETEXTMETRIC16));
otm16.otmpStyleName = (WORD) (lpotm->otmpStyleName -
sizeof(OUTLINETEXTMETRIC) + sizeof(OUTLINETEXTMETRIC16));
otm16.otmpFullName = (WORD) (lpotm->otmpFullName -
sizeof(OUTLINETEXTMETRIC) + sizeof(OUTLINETEXTMETRIC16));
count = sizeof(OUTLINETEXTMETRIC16);
if ( cb <= count ) {
count = cb;
} else {
/*
** Copy the rest of the buffer (strings, etc.) over verbatim.
*/
RtlCopyMemory( (LPSTR)potm16 + sizeof(OUTLINETEXTMETRIC16),
(LPSTR)lpotm + sizeof(OUTLINETEXTMETRIC),
cb - sizeof(OUTLINETEXTMETRIC16) );
}
/*
** Now really copy it (the structure portion) into the 16-bit memory
*/
RtlCopyMemory((VOID *)potm16, (CONST VOID *)&otm16, count );
FLUSHVDMPTR(vpotm, cb, potm16);
FREEVDMPTR(potm16);
}
VOID getlogpalette16(VPLOGPALETTE16 vplp, LPLOGPALETTE lplp)
{
INT i,j;
register PLOGPALETTE16 plp16;
GETVDMPTR(vplp, sizeof(LOGPALETTE16), plp16);
if( lplp ) {
lplp->palVersion = FETCHWORD(plp16->palVersion);
lplp->palNumEntries = FETCHWORD(plp16->palNumEntries);
j = (INT) FETCHWORD(plp16->palNumEntries);
for (i=0; i<j; i++) {
lplp->palPalEntry[i].peRed = plp16->palPalEntry[i].peRed;
lplp->palPalEntry[i].peGreen = plp16->palPalEntry[i].peGreen;
lplp->palPalEntry[i].peBlue = plp16->palPalEntry[i].peBlue;
lplp->palPalEntry[i].peFlags = plp16->palPalEntry[i].peFlags;
}
}
FREEVDMPTR(plp16);
}
VOID getpaletteentry16(VPPALETTEENTRY16 vppe, INT c, LPPALETTEENTRY lpp)
{
INT i;
register PALETTEENTRY16 *pp16;
GETVDMPTR(vppe, sizeof(PALETTEENTRY16)*c, pp16);
if( lpp ) {
for (i=0; i < c; i++) {
lpp[i].peRed = pp16[i].peRed;
lpp[i].peGreen = pp16[i].peGreen;
lpp[i].peBlue = pp16[i].peBlue;
lpp[i].peFlags = pp16[i].peFlags;
}
}
FREEVDMPTR(pp16);
}
VOID putpaletteentry16(VPPALETTEENTRY16 vppe, INT c, LPPALETTEENTRY lpp)
{
INT i;
register PALETTEENTRY16 *pp16;
GETVDMPTR(vppe, sizeof(PALETTEENTRY16)*c, pp16);
if( pp16 ) {
for (i=0; i < c; i++) {
pp16[i].peRed = lpp[i].peRed;
pp16[i].peGreen = lpp[i].peGreen;
pp16[i].peBlue = lpp[i].peBlue;
pp16[i].peFlags = lpp[i].peFlags;
}
}
FLUSHVDMPTR(vppe, sizeof(PALETTEENTRY16)*c, pp16);
FREEVDMPTR(pp16);
}
// Converts a 16 bit handle table to 32 bit
VOID gethandletable16(VPWORD vpht, UINT c, LPHANDLETABLE lpht)
{
PHANDLETABLE16 pht16;
WORD w;
GETVDMPTR(vpht, sizeof(HAND16)*c, pht16);
// be careful, we need to get the correct 32 obj handle from alias
while (c--)
{
w = FETCHWORD(pht16->objectHandle[c]);
if (w)
lpht->objectHandle[c] = HOBJ32(w);
else
lpht->objectHandle[c] = (HANDLE)NULL;
}
FREEVDMPTR(pht16);
}
// Converts a 32 bit handle table to 16 bit
VOID puthandletable16(VPWORD vpht, UINT c, LPHANDLETABLE lpht)
{
PHANDLETABLE16 pht16;
DWORD dw;
GETVDMPTR(vpht, sizeof(HAND16)*c, pht16);
// be careful, we need to get the correct 16 alias the 32 obj handle
while (c--) {
dw = FETCHDWORD(lpht->objectHandle[c]);
if (dw) {
pht16->objectHandle[c] = GETHOBJ16((HAND32)dw);
}
else {
pht16->objectHandle[c] = (HAND16)NULL;
}
}
FREEVDMPTR(pht16);
}
/*
* To solve a ton of devmode compatibility issues we are now going to return
* Win3.1 devmodes to 16-bit apps instead of NT devmodes.
*
* The most common problem we encounter is that apps determine the size to
* allocate for a DEVMODE buffer by: sizeof(DEVMODE) + dm->dmDriverExtra
* Apps seem to handle the DriverExtra stuff pretty well but there is a wide-
* spread belief that the public DEVMODE structure is a fixed size.
* We hide the NT specific DEVMODE stuff and the WOW devmode thunk info in
* what the app thinks is the DriverExtra part of the devmode:
*
* ____________________________ _____
* | Win 3.1 DEVMODE | |
* | dmSize = sizeof(DEVMODE31) | |
* | dmDriverExtra = | |
* ___|__/ (sizeof(DEVMODENT) - | Win 3.1 DEVMODE
* | | \ sizeof(DEVMODE31)) + | |
* -|---|--- original DriverExtra + | |
* | | _|__/ sizeof(DWORD) + | |
* | | | | \ (sizeof(WORD) * 3) | |
* | | | |____________________________| _____| <-- where app thinks driver
* | | | | NT DEVMODE stuff not in | | extra starts
* | `-->| the Win3.1 DEVMODE struct | NT specific DEVMODE stuff
* | | |____________________________| _____| <-- where driver extra really
* `---->| actual NT driver extra | starts
* | |____________________________| <-- where WOWDM31 struct starts
* | | DWORD with "DM31" | <--- WOW DEVMODE31 signature
* ->| WORD original dmSpecVersion|\
* | WORD original dmSize | <--- values returned by the driver
* | WORD original dmDriverExtra|/
* | WORD to pad to even DWORD | <--- requried for ptr arithmetic
* |____________________________|
*
* NOTE: We may see Win3.0 & Win3.1 DevModes that are returned by 16-bit fax
* drivers.
*
*/
LPDEVMODE ThunkDevMode16to32(VPDEVMODE31 vpdm16)
{
INT nSize, nDriverExtra;
LPDEVMODE lpdm32;
PDEVMODE31 pdm16;
PWOWDM31 pWOWDM31;
if(FETCHDWORD(vpdm16) == 0L) {
return(NULL);
}
GETVDMPTR(vpdm16, sizeof(DEVMODE31), pdm16);
// we will generally see only Win3.1 DevMode's here but 16-bit fax
// drivers can return a Win3.0 DevMode.
nSize = FETCHWORD(pdm16->dmSize);
WOW32WARNMSGF((nSize==sizeof(DEVMODE31)),
("ThunkDevMode16to32: Unexpected dmSize(16) = %d\n", nSize));
// check for bad DEVMODE (PageMaker & MSProfit are known culprits)
// (PageMaker 5.0a passes a 16:16 ptr to NULL!!)
// this test taken from gdi\client\object.c!bConvertToDevmodeW
if ( (nSize < (offsetof(DEVMODE, dmDriverExtra) + sizeof(WORD))) ||
(nSize > sizeof(DEVMODE)) ) {
LOGDEBUG(LOG_ALWAYS,("WOW::ThunkDevMode16to32:Bail out case!!\n"));
return(NULL);
}
// note this might include the "extra" DriverExtra we added in
// ThunkDevMode32to16()
nDriverExtra = FETCHWORD(pdm16->dmDriverExtra);
// allocate 32-bit DEVMODE -- don't worry if we alloc a little too much due
// to the WOW stuff we added to the end of the driver extra
if(lpdm32 = malloc_w(nSize + nDriverExtra)) {
// fill in the 32-bit devmode
RtlCopyMemory((VOID *)lpdm32,(CONST VOID *)pdm16, nSize + nDriverExtra);
// if this is a Win3.1 size DEVMODE, it may be one of our special ones
if(nSize == sizeof(DEVMODE31)) {
// see if it has our "DM31" signature at the end of the DEVMODE
pWOWDM31 = (PWOWDM31)((PBYTE)lpdm32 +
sizeof(DEVMODE31) +
nDriverExtra -
sizeof(WOWDM31));
// if it does, adjust the dmSpecVersion, dmSize & dmDriverExtra
// back to the values we got from the driver
if(pWOWDM31->dwWOWSig == WOW_DEVMODE31SIG) {
lpdm32->dmSpecVersion = pWOWDM31->dmSpecVersion;
lpdm32->dmSize = pWOWDM31->dmSize;
lpdm32->dmDriverExtra = pWOWDM31->dmDriverExtra;
}
}
}
FREEVDMPTR(pdm16);
return(lpdm32);
}
BOOL ThunkDevMode32to16(VPDEVMODE31 vpdm16, LPDEVMODE lpdm32, UINT nBytes)
{
UINT nSize, nDriverExtra;
PDEVMODE31 pdm16;
PWOWDM31 pWOWDM31;
GETVDMPTR(vpdm16, sizeof(DEVMODE31), pdm16);
if((FETCHDWORD(vpdm16) == 0L) || (!lpdm32) || (!pdm16)) {
return(FALSE);
}
nSize = lpdm32->dmSize;
// We should only see DevModes of the current NT size because the spooler
// converts all devmodes to the current version
WOW32WARNMSGF((nSize==sizeof(DEVMODE)),
("ThunkDevMode32to16: Unexpected devmode size = %d\n",nSize));
nDriverExtra = lpdm32->dmDriverExtra;
// fill in the 16-bit devmode
RtlCopyMemory((VOID *)pdm16,
(CONST VOID *)lpdm32,
min((nSize + nDriverExtra), nBytes));
// Convert NT sized devmodes to Win3.1 devmodes.
// Note: Winfax.drv passes back an NT size DevMode with dmSpecVersion=0x300
// also it passes a hard coded 0xa9 to GetEnvironment() as the max
// size of its buffer (see GetEnvironment() notes in wgdi.c)
// If there is a buffer constraint, we'll just have to be satisfied
// with copying the nBytes worth of the devmode which should work
// in the case of WinFax.
if((nSize == sizeof(DEVMODE)) && ((nSize + nDriverExtra) <= nBytes)) {
// save our signature along with the original dmSpecVersion, dmSize,
// and dmDriverExtra at the end of the DriverExtra memory
pWOWDM31 = (PWOWDM31)((PBYTE)pdm16 +
sizeof(DEVMODE) +
nDriverExtra);
pWOWDM31->dwWOWSig = WOW_DEVMODE31SIG;
pWOWDM31->dmSpecVersion = lpdm32->dmSpecVersion;
pWOWDM31->dmSize = nSize;
pWOWDM31->dmDriverExtra = nDriverExtra;
// Make our special adjustments to the public devmode stuff.
// We can't tell an app a Win3.0 DevMode is a Win3.1 version or it might
// try to write to the new Win3.1 fields
if(lpdm32->dmSpecVersion > WOW_DEVMODE31SPEC) {
pdm16->dmSpecVersion = WOW_DEVMODE31SPEC;
}
pdm16->dmSize = sizeof(DEVMODE31);
pdm16->dmDriverExtra += WOW_DEVMODEEXTRA;
}
FLUSHVDMPTR(vpdm16, sizeof(DEVMODE31), pdm16);
FREEVDMPTR(pdm16);
return(TRUE);
}
VOID getwindowpos16( VPWINDOWPOS16 vpwp, LPWINDOWPOS lpwp )
{
register PWINDOWPOS16 pwp16;
GETVDMPTR(vpwp, sizeof(WINDOWPOS16), pwp16);
lpwp->hwnd = HWND32(pwp16->hwnd);
lpwp->hwndInsertAfter = HWNDIA32(pwp16->hwndInsertAfter);
lpwp->x = (INT) FETCHSHORT(pwp16->x);
lpwp->y = (INT) FETCHSHORT(pwp16->y);
lpwp->cx = (INT) FETCHSHORT(pwp16->cx);
lpwp->cy = (INT) FETCHSHORT(pwp16->cy);
lpwp->flags = (WORD) FETCHWORD(pwp16->flags);
FREEVDMPTR(pwp16);
}
VOID putwindowpos16( VPWINDOWPOS16 vpwp, LPWINDOWPOS lpwp )
{
register PWINDOWPOS16 pwp16;
GETVDMPTR(vpwp, sizeof(WINDOWPOS16), pwp16);
STOREWORD(pwp16->hwnd, GETHWND16(lpwp->hwnd));
STOREWORD(pwp16->hwndInsertAfter, GETHWNDIA16(lpwp->hwndInsertAfter));
STORESHORT(pwp16->x, lpwp->x);
STORESHORT(pwp16->y, lpwp->y);
STORESHORT(pwp16->cx, lpwp->cx);
STORESHORT(pwp16->cy, lpwp->cy);
STOREWORD(pwp16->flags, lpwp->flags);
FLUSHVDMPTR(vpwp, sizeof(WINDOWPOS16), pwp16);
FREEVDMPTR(pwp16);
}
VOID W32CopyMsgStruct(VPMSG16 vpmsg16, LPMSG lpmsg, BOOL fThunk16To32)
{
register PMSG16 pmsg16;
GETVDMPTR(vpmsg16, sizeof(MSG16), pmsg16);
if (fThunk16To32) {
lpmsg->hwnd = HWND32(pmsg16->hwnd);
lpmsg->message = pmsg16->message;
lpmsg->wParam = pmsg16->wParam;
lpmsg->lParam = pmsg16->lParam;
lpmsg->time = pmsg16->time;
lpmsg->pt.x = pmsg16->pt.x;
lpmsg->pt.y = pmsg16->pt.y;
}
else {
// for later use.
}
FREEVDMPTR(pmsg16);
return;
}
VOID getpaintstruct16(VPVOID vp, LPPAINTSTRUCT lp)
{
PPAINTSTRUCT16 pps16;
GETVDMPTR(vp, sizeof(PAINTSTRUCT16), pps16);
(lp)->hdc = HDC32(FETCHWORD(pps16->hdc));
(lp)->fErase = FETCHSHORT(pps16->fErase);
(lp)->rcPaint.left = FETCHSHORT(pps16->rcPaint.left);
(lp)->rcPaint.top = FETCHSHORT(pps16->rcPaint.top);
(lp)->rcPaint.right = FETCHSHORT(pps16->rcPaint.right);
(lp)->rcPaint.bottom= FETCHSHORT(pps16->rcPaint.bottom);
(lp)->fRestore = FETCHSHORT(pps16->fRestore);
(lp)->fIncUpdate = FETCHSHORT(pps16->fIncUpdate);
RtlCopyMemory((lp)->rgbReserved,
pps16->rgbReserved, sizeof(pps16->rgbReserved));
FREEVDMPTR(pps16);
}
VOID putpaintstruct16(VPVOID vp, LPPAINTSTRUCT lp)
{
PPAINTSTRUCT16 pps16;
GETVDMPTR(vp, sizeof(PAINTSTRUCT16), pps16);
STOREWORD(pps16->hdc, GETHDC16((lp)->hdc));
STORESHORT(pps16->fErase, (lp)->fErase);
STORESHORT(pps16->rcPaint.left, (lp)->rcPaint.left);
STORESHORT(pps16->rcPaint.top, (lp)->rcPaint.top);
STORESHORT(pps16->rcPaint.right, (lp)->rcPaint.right);
STORESHORT(pps16->rcPaint.bottom, (lp)->rcPaint.bottom);
STORESHORT(pps16->fRestore, (lp)->fRestore);
STORESHORT(pps16->fIncUpdate, (lp)->fIncUpdate);
RtlCopyMemory(pps16->rgbReserved,
(lp)->rgbReserved, sizeof(pps16->rgbReserved));
FLUSHVDMPTR(vp, sizeof(PAINTSTRUCT16), pps16);
FREEVDMPTR(pps16);
}
