windows-nt/Source/XPSP1/NT/windows/feime/chs/ntime/toascii.c
2020-09-26 16:20:57 +08:00

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41 KiB
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/*++
Copyright (c) 1995-1999 Microsoft Corporation, All Rights Reserved
Module Name:
TOASCII.c
++*/
#include <windows.h>
#include <immdev.h>
#include <imedefs.h>
/**********************************************************************/
/* IsUsedCode() */
/* Return Value: */
/* TURE: is UsedCode; FALSE: is'nt UsedCode; */
/**********************************************************************/
BOOL IsUsedCode(
WORD wCharCode,
LPPRIVCONTEXT lpImcP)
{
WORD wFlg;
for(wFlg=0; wFlg<MBIndex.MBDesc[0].wNumCodes; wFlg++)
if (wCharCode == MBIndex.MBDesc[0].szUsedCode[wFlg])
break;
if(wFlg < MBIndex.MBDesc[0].wNumCodes)
return (TRUE);
return (FALSE);
}
/**********************************************************************/
/* ProcessKey() */
/* Return Value: */
/* different state which input key will change IME to (CST_) */
/**********************************************************************/
UINT PASCAL ProcessKey( // this key will cause the IME go to what state
WORD wCharCode,
UINT uVirtKey,
UINT uScanCode,
LPBYTE lpbKeyState,
LPINPUTCONTEXT lpIMC,
LPPRIVCONTEXT lpImcP)
{
LPCOMPOSITIONSTRING lpCompStr;
if (!lpIMC) {
return (CST_INVALID);
}
if (!lpImcP) {
return (CST_INVALID);
}
// filter system key (alt,alt+,ctrl,shift)
// and fOpen, IME_CMODE_NOCONVERSION
if (uVirtKey == VK_MENU) { // ALT key
return (CST_INVALID);
} else if (uScanCode & KF_ALTDOWN) { // ALT-xx key
return (CST_INVALID);
} else if (uVirtKey == VK_CONTROL) { // CTRL key
return (CST_INVALID);
} else if (uVirtKey == VK_SHIFT) { // SHIFT key
return (CST_INVALID);
} else if (!lpIMC->fOpen) { // don't compose in
// close status
return (CST_INVALID);
} else if (lpIMC->fdwConversion & IME_CMODE_NOCONVERSION) {
// Caps on/off
if(uVirtKey == VK_CAPITAL) {
return (CST_CAPITAL);
}else
return (CST_INVALID);
} else {
// need more check
}
// Caps on/off
if(uVirtKey == VK_CAPITAL) {
return (CST_CAPITAL);
}
// SoftKBD
if ((lpIMC->fdwConversion & IME_CMODE_SOFTKBD)
&& (lpImeL->dwSKWant != 0)){
if (wCharCode >= TEXT(' ') && wCharCode <= TEXT('~')) {
return (CST_SOFTKB);
} else {
return (CST_INVALID);
}
}
// Online create word Hot Key
if (lpbKeyState[VK_CONTROL] & 0x80) {
if((uVirtKey == 0xc0) && (MBIndex.MBDesc[0].wNumRulers)) {
return (CST_ONLINE_CZ);
} else {
return (CST_INVALID);
}
}
// candidate alaredy open, Choose State
// PagUp, PagDown, -, =, Home, End,ECS,key
if (lpImcP->fdwImeMsg & MSG_ALREADY_OPEN) {
if (uVirtKey == VK_PRIOR) { // PageUp
return (CST_CHOOSE);
} else if (uVirtKey == VK_NEXT) { // PageDown
return (CST_CHOOSE);
} else if (uVirtKey == VK_HOME) { // Home
return (CST_CHOOSE);
} else if (uVirtKey == VK_END) { // End
return (CST_CHOOSE);
} else if ((wCharCode == TEXT('-')) && (!IsUsedCode(TEXT('-'), lpImcP))) {
return (CST_CHOOSE);
} else if ((wCharCode == TEXT('=')) && (!IsUsedCode(TEXT('='), lpImcP))) {
return (CST_CHOOSE);
} else if (uVirtKey == VK_ESCAPE) { // Esc
return (CST_CHOOSE);
} else if (uVirtKey == VK_RETURN) {
if(MBIndex.IMEChara[0].IC_Enter) {
return (CST_CHOOSE);
}
} else {
// need more check
}
}
// candidate alaredy open, shift + num key
if (lpImcP->fdwImeMsg & MSG_ALREADY_OPEN) {
WORD NumCode, wFlg;
if(uVirtKey == TEXT(' ')) {
if(MBIndex.IMEChara[0].IC_Space) {
return (CST_CHOOSE);
}
}
NumCode = 0x0030;
for(wFlg=0; wFlg<10; wFlg++, NumCode++)
if(IsUsedCode(NumCode, lpImcP)) break;
if(wFlg == 10) {
if (uVirtKey >= TEXT('0') && uVirtKey <= TEXT('9')
&& !(lpbKeyState[VK_SHIFT] & 0x80))
return (CST_CHOOSE);
} else {
if (lpbKeyState[VK_SHIFT] & 0x80) {
if ((uVirtKey >= TEXT('0')) && uVirtKey <= TEXT('9'))
return (CST_CHOOSE);
}
}
}
// IME_CMODE_CHARCODE
if (lpIMC->fdwConversion & IME_CMODE_CHARCODE) { //Code Input Mode
return (CST_INVALID);
}
if (!(lpIMC->fdwConversion & IME_CMODE_NATIVE)) {
// alphanumeric mode
if (wCharCode >= TEXT(' ') && wCharCode <= TEXT('~')) {
return (CST_ALPHANUMERIC);
} else {
return (CST_INVALID);
}
} else if(wCharCode == MBIndex.MBDesc[0].cWildChar) {
if (lpImcP->iImeState != CST_INIT) {
} else {
return (CST_ALPHANUMERIC);
}
} else if (wCharCode == TEXT(' ')){
if ((lpImcP->iImeState == CST_INIT)
&& !(lpImcP->PrivateArea.Comp_Status.dwSTLX)) {
return (CST_ALPHANUMERIC);
}
} else if(wCharCode >= TEXT(' ') && wCharCode <= TEXT('~')) {
if(!IsUsedCode(wCharCode, lpImcP)
&& lpImcP->iImeState != CST_INIT)
return (CST_INVALID_INPUT);
}
// Esc key
if ((uVirtKey == VK_ESCAPE)
|| ((uVirtKey == VK_RETURN)
&& (MBIndex.IMEChara[0].IC_Enter))) {
register LPGUIDELINE lpGuideLine;
register UINT iImeState;
lpGuideLine = ImmLockIMCC(lpIMC->hGuideLine);
if(!lpGuideLine){
return(CST_INVALID);
}
if (lpImcP->fdwImeMsg & MSG_ALREADY_START) {
iImeState = CST_INPUT;
} else if(lpImcP->PrivateArea.Comp_Status.OnLineCreWord) {
iImeState = CST_ONLINE_CZ;
} else if (!lpGuideLine) {
iImeState = CST_INVALID;
} else if (lpGuideLine->dwLevel == GL_LEVEL_NOGUIDELINE) {
iImeState = CST_INVALID;
} else {
iImeState = CST_INVALID;
}
ImmUnlockIMCC(lpIMC->hGuideLine);
return (iImeState);
}
// BackSpace Key
else if (uVirtKey == VK_BACK) {
if (lpImcP->fdwImeMsg & MSG_ALREADY_START) {
return (CST_INPUT);
} else {
return (CST_INVALID);
}
}
else if (uVirtKey >= VK_NUMPAD0 && uVirtKey <= VK_DIVIDE) {
if (lpImcP->iImeState != CST_INIT) {
return (CST_INVALID_INPUT);
} else {
return (CST_ALPHANUMERIC);
}
}
{
register UINT iImeState;
lpCompStr = (LPCOMPOSITIONSTRING)ImmLockIMCC(lpIMC->hCompStr);
if (!lpCompStr) {
return (CST_INVALID);
}
// check finalize char
if (lpIMC->fdwConversion & IME_CMODE_NATIVE) {
if((IsUsedCode(wCharCode, lpImcP))
|| (wCharCode == MBIndex.MBDesc[0].cWildChar)) {
if ((wCharCode == MBIndex.MBDesc[0].cWildChar)
&& (lpImcP->PrivateArea.Comp_Status.dwSTMULCODE)) {
iImeState = CST_INVALID_INPUT;
} else if((!lpImcP->PrivateArea.Comp_Status.dwInvalid)
&& (lpCompStr->dwCursorPos < MBIndex.MBDesc[0].wMaxCodes)){
iImeState = CST_INPUT;
} else if((lpCompStr->dwCursorPos == MBIndex.MBDesc[0].wMaxCodes)
&& (lpImcP->PrivateArea.Comp_Status.dwSTMULCODE)) {
iImeState = CST_INPUT;
} else {
iImeState = CST_INVALID_INPUT;
}
} else if(wCharCode == TEXT(' ')) {
iImeState = CST_INPUT;
} else if (wCharCode >= TEXT(' ') && wCharCode <= TEXT('~')) {
iImeState = CST_ALPHANUMERIC;
} else {
iImeState = CST_INVALID;
}
} else {
iImeState = CST_INVALID;
}
ImmUnlockIMCC(lpIMC->hCompStr);
return (iImeState);
}
}
/**********************************************************************/
/* ImeProcessKey() */
/* Return Value: */
/* TRUE - successful, FALSE - failure */
/**********************************************************************/
BOOL WINAPI ImeProcessKey( // if this key is need by IME?
HIMC hIMC,
UINT uVirtKey,
LPARAM lParam,
CONST LPBYTE lpbKeyState)
{
LPINPUTCONTEXT lpIMC;
LPPRIVCONTEXT lpImcP;
BYTE szAscii[4];
int nChars;
int iRet;
BOOL fRet;
// can't compose in NULL hIMC
if (!hIMC) {
return (FALSE);
}
lpIMC = (LPINPUTCONTEXT)ImmLockIMC(hIMC);
if (!lpIMC) {
return (FALSE);
}
lpImcP = (LPPRIVCONTEXT)ImmLockIMCC(lpIMC->hPrivate);
if (!lpImcP) {
ImmUnlockIMC(hIMC);
return (FALSE);
}
nChars = ToAscii(uVirtKey, HIWORD(lParam), lpbKeyState,
(LPVOID)szAscii, 0);
if (!nChars) {
szAscii[0] = 0;
}
iRet = ProcessKey((WORD)szAscii[0], uVirtKey, HIWORD(lParam), lpbKeyState, lpIMC, lpImcP);
if(iRet == CST_INVALID) {
if ((lpImcP->fdwImeMsg & MSG_ALREADY_OPEN)
&& (lpImcP->iImeState == CST_INIT)
&& !lpImcP->PrivateArea.Comp_Status.dwSTLX) {
lpImcP->fdwImeMsg = (lpImcP->fdwImeMsg | MSG_CLOSE_CANDIDATE) &
~(MSG_OPEN_CANDIDATE) & ~(MSG_IN_IMETOASCIIEX);
GenerateMessage(hIMC, lpIMC, lpImcP);
// init lpImcP
lpImcP->PrivateArea.Comp_Context.szInBuffer[0] = 0;
lpImcP->PrivateArea.Comp_Context.PromptCnt = 0;
lpImcP->PrivateArea.Comp_Status.dwInvalid = 0;
lpImcP->PrivateArea.Comp_Status.dwSTLX = 0;
lpImcP->PrivateArea.Comp_Status.dwSTMULCODE = 0;
}
fRet = FALSE;
} else if((iRet == CST_INPUT) && (uVirtKey == TEXT('\b'))
&& (lpImcP->iImeState == CST_INIT)) {
lpImcP->fdwImeMsg = ((lpImcP->fdwImeMsg | MSG_END_COMPOSITION)
& ~(MSG_START_COMPOSITION)) & ~(MSG_IN_IMETOASCIIEX);
if (lpImcP->fdwImeMsg & MSG_ALREADY_OPEN) {
ClearCand(lpIMC);
lpImcP->fdwImeMsg = (lpImcP->fdwImeMsg | MSG_CLOSE_CANDIDATE) &
~(MSG_OPEN_CANDIDATE);
}
GenerateMessage(hIMC, lpIMC, lpImcP);
fRet = FALSE;
} else if(uVirtKey == VK_CAPITAL) {
DWORD fdwConversion;
// init ime Private status
lpImcP->PrivateArea.Comp_Status.dwSTLX = 0;
lpImcP->PrivateArea.Comp_Status.dwSTMULCODE = 0;
lpImcP->PrivateArea.Comp_Status.dwInvalid = 0;
//Change VK_CAPITAL status check to NT .351 IMM style.
#ifdef LATER
//Code for Win95
if (lpbKeyState[VK_CAPITAL] & 0x01) {
// change to native mode
#ifdef EUDC
fdwConversion = (lpIMC->fdwConversion |IME_CMODE_NATIVE);
fdwConversion &= ~(IME_CMODE_CHARCODE | IME_CMODE_NOCONVERSION);
#else
fdwConversion = (lpIMC->fdwConversion | IME_CMODE_NATIVE);
fdwConversion &= ~(IME_CMODE_CHARCODE | IME_CMODE_EUDC | IME_CMODE_NOCONVERSION);
#endif //EUDC
uCaps = 0;
} else {
#else //LATER
//Code for NT 3.51
if (lpbKeyState[VK_CAPITAL] & 0x01) {
// change to alphanumeric mode
#ifdef EUDC
fdwConversion = lpIMC->fdwConversion & ~(IME_CMODE_CHARCODE |
IME_CMODE_NATIVE);
#else
fdwConversion = lpIMC->fdwConversion & ~(IME_CMODE_CHARCODE |
IME_CMODE_NATIVE | IME_CMODE_EUDC);
#endif //EUDC
uCaps = 1;
} else {
// change to native mode
#ifdef EUDC
fdwConversion = (lpIMC->fdwConversion |IME_CMODE_NATIVE);
fdwConversion &= ~(IME_CMODE_CHARCODE | IME_CMODE_NOCONVERSION);
#else
fdwConversion = (lpIMC->fdwConversion | IME_CMODE_NATIVE);
fdwConversion &= ~(IME_CMODE_CHARCODE | IME_CMODE_EUDC | IME_CMODE_NOCONVERSION);
#endif //EUDC
uCaps = 0;
}
#endif //LATER
ImmSetConversionStatus(hIMC, fdwConversion, lpIMC->fdwSentence);
fRet = FALSE;
} else if((iRet == CST_ALPHANUMERIC)
&& !(lpIMC->fdwConversion & IME_CMODE_FULLSHAPE)
&& (uVirtKey == VK_SPACE)) {
fRet = FALSE;
} else {
fRet = TRUE;
}
ImmUnlockIMCC(lpIMC->hPrivate);
ImmUnlockIMC(hIMC);
return (fRet);
}
/**********************************************************************/
/* TranslateSymbolChar() */
/* Return Value: */
/* the number of translated chars */
/**********************************************************************/
UINT PASCAL TranslateSymbolChar(
LPTRANSMSGLIST lpTransBuf,
WORD wSymbolCharCode,
BOOL SymbolMode)
{
UINT uRet;
LPTRANSMSG lpTransMsg;
uRet = 0;
lpTransMsg = lpTransBuf->TransMsg;
// NT need to modify this!
#ifdef UNICODE
lpTransMsg->message = WM_CHAR;
lpTransMsg->wParam = (DWORD)wSymbolCharCode;
lpTransMsg->lParam = 1UL;
lpTransMsg++;
uRet++;
#else
lpTransMsg->message = WM_CHAR;
lpTransMsg->wParam = (DWORD)HIBYTE(wSymbolCharCode);
lpTransMsg->lParam = 1UL;
lpTransMsg++;
uRet++;
lpTransMsg->message = WM_CHAR;
lpTransMsg->wParam = (DWORD)LOBYTE(wSymbolCharCode);
lpTransMsg->lParam = 1UL;
lpTransMsg++;
uRet++;
#endif
if(SymbolMode) {
// lpTransMsg = lpTransBuf->TransMsg;
#ifdef UNICODE
lpTransMsg->message = WM_CHAR;
lpTransMsg->wParam = (DWORD)wSymbolCharCode;
lpTransMsg->lParam = 1UL;
lpTransMsg++;
uRet++;
#else
lpTransMsg->message = WM_CHAR;
lpTransMsg->wParam = (DWORD)HIBYTE(wSymbolCharCode);
lpTransMsg->lParam = 1UL;
lpTransMsg++;
uRet++;
lpTransMsg->message = WM_CHAR;
lpTransMsg->wParam = (DWORD)LOBYTE(wSymbolCharCode);
lpTransMsg->lParam = 1UL;
lpTransMsg++;
uRet++;
#endif
}
if(MBIndex.IMEChara[0].IC_INSSPC) {
lpTransMsg = lpTransBuf->TransMsg;
lpTransMsg->message = WM_CHAR;
lpTransMsg->wParam = (DWORD)0x20;
lpTransMsg->lParam = 1UL;
lpTransMsg++;
uRet++;
}
return (uRet); // generate two messages
}
/**********************************************************************/
/* TranslateFullChar() */
/* Return Value: */
/* the number of translated chars */
/**********************************************************************/
UINT PASCAL TranslateFullChar(
LPTRANSMSGLIST lpTransBuf,
WORD wCharCode)
{
// if your IME is possible to generate over ? messages,
// you need to take care about it
LPTRANSMSG lpTransMsg;
wCharCode = sImeG.wFullABC[wCharCode - TEXT(' ')];
lpTransMsg = lpTransBuf->TransMsg;
// NT need to modify this!
#ifdef UNICODE
lpTransMsg->message = WM_CHAR;
lpTransMsg->wParam = (DWORD)wCharCode;
lpTransMsg->lParam = 1UL;
lpTransMsg++;
#else
lpTransMsg->message = WM_CHAR;
lpTransMsg->wParam = (DWORD)HIBYTE(wCharCode);
lpTransMsg->lParam = 1UL;
lpTransMsg++;
lpTransMsg->message = WM_CHAR;
lpTransMsg->wParam = (DWORD)LOBYTE(wCharCode);
lpTransMsg->lParam = 1UL;
lpTransMsg++;
#endif
if(MBIndex.IMEChara[0].IC_INSSPC) {
lpTransMsg = lpTransBuf->TransMsg;
lpTransMsg->message = WM_CHAR;
lpTransMsg->wParam = (DWORD)0x20;
lpTransMsg->lParam = 1UL;
lpTransMsg++;
return (3); // generate two messages
} else {
return (2); // generate two messages
}
}
/**********************************************************************/
/* TranslateToAscii() */
/* Return Value: */
/* the number of translated chars */
/**********************************************************************/
UINT PASCAL TranslateToAscii( // translate the key to WM_CHAR
// as keyboard driver
UINT uVirtKey,
UINT uScanCode,
LPTRANSMSGLIST lpTransBuf,
WORD wCharCode)
{
LPTRANSMSG lpTransMsg;
lpTransMsg = lpTransBuf->TransMsg;
if (wCharCode) { // one char code
lpTransMsg->message = WM_CHAR;
lpTransMsg->wParam = wCharCode;
lpTransMsg->lParam = (uScanCode << 16) | 1UL;
return (1);
}
// no char code case
return (0);
}
/**********************************************************************/
/* TranslateImeMessage() */
/* Return Value: */
/* the number of translated messages */
/**********************************************************************/
UINT PASCAL TranslateImeMessage(
LPTRANSMSGLIST lpTransBuf,
LPINPUTCONTEXT lpIMC,
LPPRIVCONTEXT lpImcP)
{
UINT uNumMsg;
UINT i;
BOOL bLockMsgBuf;
LPTRANSMSG lpTransMsg;
uNumMsg = 0;
bLockMsgBuf = FALSE;
for (i = 0; i < 2; i++) {
if (lpImcP->fdwImeMsg & MSG_CLOSE_CANDIDATE) {
if (lpImcP->fdwImeMsg & MSG_ALREADY_OPEN) {
if (!i) {
uNumMsg++;
} else {
lpTransMsg->message = WM_IME_NOTIFY;
lpTransMsg->wParam = IMN_CLOSECANDIDATE;
lpTransMsg->lParam = 0x0001;
lpTransMsg++;
lpImcP->fdwImeMsg &= ~(MSG_ALREADY_OPEN);
}
}
}
if (lpImcP->fdwImeMsg & MSG_END_COMPOSITION) {
if (lpImcP->fdwImeMsg & MSG_ALREADY_START) {
if (!i) {
uNumMsg++;
} else {
lpTransMsg->message = WM_IME_ENDCOMPOSITION;
lpTransMsg->wParam = 0;
lpTransMsg->lParam = 0;
lpTransMsg++;
lpImcP->fdwImeMsg &= ~(MSG_ALREADY_START);
}
}
}
if (lpImcP->fdwImeMsg & MSG_START_COMPOSITION) {
if (!(lpImcP->fdwImeMsg & MSG_ALREADY_START)) {
if (!i) {
uNumMsg++;
} else {
lpTransMsg->message = WM_IME_STARTCOMPOSITION;
lpTransMsg->wParam = 0;
lpTransMsg->lParam = 0;
lpTransMsg++;
lpImcP->fdwImeMsg |= MSG_ALREADY_START;
}
}
}
if (lpImcP->fdwImeMsg & MSG_IMN_COMPOSITIONPOS) {
if (!i) {
uNumMsg++;
} else {
lpTransMsg->message = WM_IME_NOTIFY;
lpTransMsg->wParam = IMN_SETCOMPOSITIONWINDOW;
lpTransMsg->lParam = 0;
lpTransMsg++;
}
}
if (lpImcP->fdwImeMsg & MSG_COMPOSITION) {
if (!i) {
uNumMsg++;
} else {
lpTransMsg->message = WM_IME_COMPOSITION;
lpTransMsg->wParam = (DWORD)lpImcP->dwCompChar;
lpTransMsg->lParam = (DWORD)lpImcP->fdwGcsFlag;
lpTransMsg++;
}
}
if (lpImcP->fdwImeMsg & MSG_GUIDELINE) {
if (!i) {
uNumMsg++;
} else {
lpTransMsg->message = WM_IME_NOTIFY;
lpTransMsg->wParam = IMN_GUIDELINE;
lpTransMsg->lParam = 0;
lpTransMsg++;
}
}
if (lpImcP->fdwImeMsg & MSG_OPEN_CANDIDATE) {
if (!(lpImcP->fdwImeMsg & MSG_ALREADY_OPEN)
|| (lpImcP->PrivateArea.Comp_Status.dwSTMULCODE)
|| (lpImcP->PrivateArea.Comp_Status.dwSTLX)) {
if (!i) {
uNumMsg++;
} else {
lpTransMsg->message = WM_IME_NOTIFY;
lpTransMsg->wParam = IMN_OPENCANDIDATE;
lpTransMsg->lParam = 0x0001;
lpTransMsg++;
lpImcP->fdwImeMsg |= MSG_ALREADY_OPEN;
}
}
}
if (lpImcP->fdwImeMsg & MSG_CHANGE_CANDIDATE) {
if (!i) {
uNumMsg++;
} else {
lpTransMsg->message = WM_IME_NOTIFY;
lpTransMsg->wParam = IMN_CHANGECANDIDATE;
lpTransMsg->lParam = 0x0001;
lpTransMsg++;
}
}
if (lpImcP->fdwImeMsg & MSG_IMN_UPDATE_SOFTKBD) {
if (!i) {
uNumMsg++;
} else {
lpTransMsg->message = WM_IME_NOTIFY;
lpTransMsg->wParam = IMN_PRIVATE;
lpTransMsg->lParam = IMN_PRIVATE_UPDATE_SOFTKBD;
lpTransMsg++;
}
}
if (lpImcP->fdwImeMsg & MSG_IMN_UPDATE_STATUS) {
if (!i) {
uNumMsg++;
} else {
lpTransMsg->message = WM_IME_NOTIFY;
lpTransMsg->wParam = IMN_PRIVATE;
lpTransMsg->lParam = IMN_PRIVATE_UPDATE_STATUS;
lpTransMsg++;
}
}
if (lpImcP->fdwImeMsg & MSG_IMN_DESTROYCAND) {
if (!i) {
uNumMsg++;
} else {
lpTransMsg->message = WM_IME_NOTIFY;
lpTransMsg->wParam = IMN_PRIVATE;
lpTransMsg->lParam = IMN_PRIVATE_DESTROYCANDWIN;
lpTransMsg++;
}
}
if (lpImcP->fdwImeMsg & MSG_BACKSPACE) {
if (!i) {
uNumMsg++;
} else {
lpTransMsg->message = WM_CHAR;
lpTransMsg->wParam = TEXT('\b');
lpTransMsg->lParam = 0x000e;
lpTransMsg++;
}
}
if (!i) {
HIMCC hMem;
if (!uNumMsg) {
return (uNumMsg);
}
if (lpImcP->fdwImeMsg & MSG_IN_IMETOASCIIEX) {
UINT uNumMsgLimit;
uNumMsgLimit = lpTransBuf->uMsgCount;
if (uNumMsg <= uNumMsgLimit) {
lpTransMsg = lpTransBuf->TransMsg;
continue;
}
}
// we need to use message buffer
if (!lpIMC->hMsgBuf) {
lpIMC->hMsgBuf = ImmCreateIMCC(uNumMsg * sizeof(TRANSMSG));
lpIMC->dwNumMsgBuf = 0;
} else if (hMem = ImmReSizeIMCC(lpIMC->hMsgBuf,
(lpIMC->dwNumMsgBuf + uNumMsg) * sizeof(TRANSMSG))) {
if (hMem != lpIMC->hMsgBuf) {
ImmDestroyIMCC(lpIMC->hMsgBuf);
lpIMC->hMsgBuf = hMem;
}
} else {
return (0);
}
lpTransMsg= (LPTRANSMSG) ImmLockIMCC(lpIMC->hMsgBuf);
if (!lpTransMsg) {
return (0);
}
lpTransMsg += lpIMC->dwNumMsgBuf;
bLockMsgBuf = TRUE;
} else {
if (bLockMsgBuf) {
ImmUnlockIMCC(lpIMC->hMsgBuf);
}
}
}
return (uNumMsg);
}
/**********************************************************************/
/* ImeToAsciiEx() */
/* Return Value: */
/* the number of translated message */
/**********************************************************************/
UINT WINAPI ImeToAsciiEx(
UINT uVirtKey,
UINT uScanCode,
CONST LPBYTE lpbKeyState,
LPTRANSMSGLIST lpTransBuf,
UINT fuState,
HIMC hIMC)
{
WORD wCharCode;
LPINPUTCONTEXT lpIMC;
LPCOMPOSITIONSTRING lpCompStr;
LPPRIVCONTEXT lpImcP;
UINT uNumMsg;
int iRet;
#ifdef UNICODE
wCharCode = HIWORD(uVirtKey);
#else
wCharCode = HIBYTE(uVirtKey);
#endif
uVirtKey = LOBYTE(uVirtKey);
// hIMC=NULL?
if (!hIMC) {
uNumMsg = TranslateToAscii(uVirtKey, uScanCode, lpTransBuf,
wCharCode);
return (uNumMsg);
}
// get lpIMC
lpIMC = (LPINPUTCONTEXT)ImmLockIMC(hIMC);
if (!lpIMC) {
uNumMsg = TranslateToAscii(uVirtKey, uScanCode, lpTransBuf,
wCharCode);
return (uNumMsg);
}
// get lpImcP
lpImcP = (LPPRIVCONTEXT)ImmLockIMCC(lpIMC->hPrivate);
if (!lpImcP) {
ImmUnlockIMC(hIMC);
uNumMsg = TranslateToAscii(uVirtKey, uScanCode, lpTransBuf,
wCharCode);
return (uNumMsg);
}
// get lpCompStr and init
if (lpImcP->fdwGcsFlag & (GCS_RESULTREAD|GCS_RESULT)) {
lpCompStr = (LPCOMPOSITIONSTRING)ImmLockIMCC(lpIMC->hCompStr);
if (lpCompStr) {
lpCompStr->dwResultStrLen = 0;
}
ImmUnlockIMCC(lpIMC->hCompStr);
lpImcP->fdwGcsFlag = (DWORD) 0;
}
// Now all composition realated information already pass to app
// a brand new start
// init lpImcP->fdwImeMsg
lpImcP->fdwImeMsg = lpImcP->fdwImeMsg & (MSG_ALREADY_OPEN|
MSG_ALREADY_START) | MSG_IN_IMETOASCIIEX;
// Process Key(wCharCode)
iRet = ProcessKey(wCharCode, uVirtKey, uScanCode, lpbKeyState, lpIMC,
lpImcP);
// iRet process
// CST_ONLINE_CZ
if (iRet == CST_ONLINE_CZ) {
lpImcP->fdwImeMsg = (lpImcP->fdwImeMsg | MSG_IMN_UPDATE_STATUS) & ~(MSG_IN_IMETOASCIIEX);
if(wCharCode == VK_ESCAPE) {
CWCodeStr[0] = 0;
CWDBCSStr[0] = 0;
lpImcP->PrivateArea.Comp_Status.OnLineCreWord = 0;
} else {
lpCompStr = (LPCOMPOSITIONSTRING)ImmLockIMCC(lpIMC->hCompStr);
if (!lpCompStr) {
return 0;
}
Finalize(lpIMC, lpCompStr, lpImcP, 0x1b); // compsition
ClearCand(lpIMC);
lpImcP->fdwImeMsg = (lpImcP->fdwImeMsg | MSG_CLOSE_CANDIDATE) &
~(MSG_OPEN_CANDIDATE);
lpImcP->fdwImeMsg = (lpImcP->fdwImeMsg | MSG_END_COMPOSITION) &
~(MSG_START_COMPOSITION);
InitCompStr(lpCompStr);
lpImcP->PrivateArea.Comp_Status.OnLineCreWord ^= 1;
lpImcP->iImeState = CST_INIT;
// init fields of hPrivate
lpImcP->dwCompChar = (DWORD) 0;
lpImcP->PrivateArea.Comp_Status.dwSTLX = 0;
lpImcP->PrivateArea.Comp_Status.dwSTMULCODE = 0;
lpImcP->PrivateArea.Comp_Status.dwInvalid = 0;
// online create word
if((!lpImcP->PrivateArea.Comp_Status.OnLineCreWord)
&& (lstrlen(CWDBCSStr))) {
TCHAR MBName[MAXSTRLEN];
TCHAR Buf[LINE_LEN];
lstrcpy(MBName, sImeG.szIMESystemPath);
lstrcat((LPTSTR)MBName, TEXT("\\"));
lstrcat((LPTSTR)MBName, (LPCTSTR)lpImcP->MB_Name);
ConvCreateWord( lpIMC->hWnd,
(LPCTSTR)MBName,
(LPTSTR)CWDBCSStr,
(LPTSTR)CWCodeStr);
// In current GBK and Unicode Encoding, one Chinese character
// has two bytes as its internal code.
if(lstrlen(CWDBCSStr) <= (sizeof(WORD) / sizeof(TCHAR))) {
InfoMessage(NULL, IDS_WARN_MEMPRASE);
CWCodeStr[0] = 0;
CWDBCSStr[0] = 0;
} else if(lstrlen(CWDBCSStr) && lstrlen(CWCodeStr)) {
int iAddRet;
TCHAR czCZ_Confirm_Title[20];
LoadString(hInst, IDS_CZ_CONFIRM, Buf, sizeof(Buf)/sizeof(TCHAR) );
LoadString(hInst, IDS_CZ_CONFIRM_TITLE, czCZ_Confirm_Title,
sizeof(czCZ_Confirm_Title) / sizeof(TCHAR) );
lstrcat(Buf, TEXT("\n\n") );
lstrcat(Buf, CWDBCSStr);
lstrcat(Buf, TEXT(" ") );
lstrcat(Buf, CWCodeStr);
if ( MessageBox(lpIMC->hWnd, Buf,czCZ_Confirm_Title,
MB_YESNO | MB_ICONINFORMATION) == IDYES) {
iAddRet = AddZCItem(lpIMC->hPrivate, CWCodeStr, CWDBCSStr);
if (iAddRet == ADD_FALSE) {
InfoMessage(NULL, IDS_WARN_MEMPRASE);
} else if (iAddRet == ADD_REP) {
InfoMessage(NULL, IDS_WARN_DUPPRASE);
} else if (iAddRet == ADD_FULL) {
InfoMessage(NULL, IDS_WARN_OVEREMB);
}
} else {
CWCodeStr[0] = 0;
CWDBCSStr[0] = 0;
}
} else {
CWCodeStr[0] = 0;
CWDBCSStr[0] = 0;
}
} else {
CWCodeStr[0] = 0;
CWDBCSStr[0] = 0;
}
ImmUnlockIMCC(lpIMC->hCompStr);
}
lpImcP->fdwImeMsg = lpImcP->fdwImeMsg | MSG_IMN_UPDATE_STATUS;
GenerateMessage(hIMC, lpIMC, lpImcP);
uNumMsg = 0;
}
// CST_SOFTKB
if (iRet == CST_SOFTKB) {
WORD wSymbolCharCode;
WORD CHIByte, CLOByte;
int SKDataIndex;
// Mapping VK
if(uVirtKey == 0x20) {
SKDataIndex = 0;
} else if(uVirtKey >= 0x30 && uVirtKey <= 0x39) {
SKDataIndex = uVirtKey - 0x30 + 1;
} else if (uVirtKey >= 0x41 && uVirtKey <= 0x5a) {
SKDataIndex = uVirtKey - 0x41 + 0x0b;
} else if (uVirtKey >= 0xba && uVirtKey <= 0xbf) {
SKDataIndex = uVirtKey - 0xba + 0x25;
} else if (uVirtKey >= 0xdb && uVirtKey <= 0xde) {
SKDataIndex = uVirtKey - 0xdb + 0x2c;
} else if (uVirtKey == 0xc0) {
SKDataIndex = 0x2b;
} else {
SKDataIndex = 0;
}
#ifdef UNICODE //
if (lpbKeyState[VK_SHIFT] & 0x80) {
wSymbolCharCode = SKLayoutS[lpImeL->dwSKWant][SKDataIndex];
} else {
wSymbolCharCode = SKLayout[lpImeL->dwSKWant][SKDataIndex];
}
if(wSymbolCharCode == 0x0020) {
#else
if (lpbKeyState[VK_SHIFT] & 0x80) {
CHIByte = SKLayoutS[lpImeL->dwSKWant][SKDataIndex*2] & 0x00ff;
CLOByte = SKLayoutS[lpImeL->dwSKWant][SKDataIndex*2 + 1] & 0x00ff;
} else {
CHIByte = SKLayout[lpImeL->dwSKWant][SKDataIndex*2] & 0x00ff;
CLOByte = SKLayout[lpImeL->dwSKWant][SKDataIndex*2 + 1] & 0x00ff;
}
wSymbolCharCode = (CHIByte << 8) | CLOByte;
if(wSymbolCharCode == 0x2020) {
#endif //UNICODE
MessageBeep((UINT) -1);
uNumMsg = 0;
} else {
uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
}
}
// CST_ALPHANUMERIC
else if (iRet == CST_ALPHANUMERIC) {
if (lpImcP->fdwImeMsg & MSG_ALREADY_OPEN) {
lpImcP->fdwImeMsg = (lpImcP->fdwImeMsg | MSG_CLOSE_CANDIDATE) &
~(MSG_OPEN_CANDIDATE) & ~(MSG_IN_IMETOASCIIEX);
GenerateMessage(hIMC, lpIMC, lpImcP);
// init lpImcP
lpImcP->PrivateArea.Comp_Context.szInBuffer[0] = 0;
lpImcP->PrivateArea.Comp_Context.PromptCnt = 0;
lpImcP->PrivateArea.Comp_Status.dwInvalid = 0;
lpImcP->PrivateArea.Comp_Status.dwSTLX = 0;
lpImcP->PrivateArea.Comp_Status.dwSTMULCODE = 0;
}
if (lpIMC->fdwConversion & IME_CMODE_SYMBOL) {
WORD wSymbolCharCode;
if(wCharCode == TEXT('.')) {
#ifdef UNICODE
wSymbolCharCode = 0x3002;
#else
wSymbolCharCode = TEXT('<EFBFBD><EFBFBD>');
#endif
uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
} else if(wCharCode == TEXT(',')) {
#ifdef UNICODE
wSymbolCharCode = 0xff0c;
#else
wSymbolCharCode = TEXT('<EFBFBD><EFBFBD>');
#endif
uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
} else if(wCharCode == TEXT(';')) {
#ifdef UNICODE
wSymbolCharCode = 0xff1b;
#else
wSymbolCharCode = TEXT('<EFBFBD><EFBFBD>');
#endif
uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
} else if(wCharCode == TEXT(':')) {
#ifdef UNICODE
wSymbolCharCode = 0xff1a;
#else
wSymbolCharCode = TEXT('<EFBFBD><EFBFBD>');
#endif
uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
} else if(wCharCode == TEXT('?')) {
#ifdef UNICODE
wSymbolCharCode = 0xff1f;
#else
wSymbolCharCode = TEXT('<EFBFBD><EFBFBD>');
#endif
uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
} else if(wCharCode == TEXT('!')) {
#ifdef UNICODE
wSymbolCharCode = 0xff01;
#else
wSymbolCharCode = TEXT('<EFBFBD><EFBFBD>');
#endif
uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
} else if(wCharCode == TEXT('(')) {
#ifdef UNICODE
wSymbolCharCode = 0xff08;
#else
wSymbolCharCode = TEXT('<EFBFBD><EFBFBD>');
#endif
uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
} else if(wCharCode == TEXT(')')) {
#ifdef UNICODE
wSymbolCharCode = 0xff09;
#else
wSymbolCharCode = TEXT('<EFBFBD><EFBFBD>');
#endif
uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
} else if(wCharCode == TEXT('\\')) {
#ifdef UNICODE
wSymbolCharCode = 0x3001;
#else
wSymbolCharCode = TEXT('<EFBFBD><EFBFBD>');
#endif
uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
} else if(wCharCode == TEXT('@')) {
#ifdef UNICODE
wSymbolCharCode = 0x00b7;
#else
wSymbolCharCode = TEXT('<EFBFBD><EFBFBD>');
#endif
uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
} else if(wCharCode == TEXT('&')) {
#ifdef UNICODE
wSymbolCharCode = 0x2014;
#else
wSymbolCharCode = TEXT('<EFBFBD><EFBFBD>');
#endif
uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
} else if(wCharCode == TEXT('$')) {
#ifdef UNICODE
wSymbolCharCode = 0xffe5;
#else
wSymbolCharCode = TEXT('<EFBFBD><EFBFBD>');
#endif
uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
} else if(wCharCode == TEXT('_')) {
#ifdef UNICODE
wSymbolCharCode = 0x2014;
#else
wSymbolCharCode = TEXT('<EFBFBD><EFBFBD>');
#endif
uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, 1);
} else if(wCharCode == TEXT('^')) {
#ifdef UNICODE
wSymbolCharCode = 0x2026;
#else
wSymbolCharCode = TEXT('<EFBFBD><EFBFBD>');
#endif
uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, 1);
} else if(wCharCode == TEXT('"')) {
if(lpImcP->uSYHFlg) {
#ifdef UNICODE
wSymbolCharCode = 0x201d;
} else {
wSymbolCharCode = 0x201c;
#else
wSymbolCharCode = TEXT('<EFBFBD><EFBFBD>');
} else {
wSymbolCharCode = TEXT('<EFBFBD><EFBFBD>');
#endif
}
lpImcP->uSYHFlg ^= 0x00000001;
uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
} else if(wCharCode == TEXT('\'')) {
if(lpImcP->uDYHFlg) {
#ifdef UNICODE
wSymbolCharCode = 0x2019;
} else {
wSymbolCharCode = 0x2018;
#else
wSymbolCharCode = TEXT('<EFBFBD><EFBFBD>');
} else {
wSymbolCharCode = TEXT('<EFBFBD><EFBFBD>');
#endif
}
lpImcP->uDYHFlg ^= 0x00000001;
uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
} else if(wCharCode == TEXT('<')) {
if(lpImcP->uDSMHFlg) {
#ifdef UNICODE
wSymbolCharCode = 0x3008;
#else
wSymbolCharCode = TEXT('<EFBFBD><EFBFBD>');
#endif
lpImcP->uDSMHCount++;
} else {
#ifdef UNICODE
wSymbolCharCode = 0x300a;
#else
wSymbolCharCode = TEXT('<EFBFBD><EFBFBD>');
#endif
lpImcP->uDSMHFlg = 0x00000001;
}
uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
} else if(wCharCode == TEXT('>')) {
if((lpImcP->uDSMHFlg) && (lpImcP->uDSMHCount)) {
#ifdef UNICODE
wSymbolCharCode = 0x3009;
#else
wSymbolCharCode = TEXT('<EFBFBD><EFBFBD>');
#endif
lpImcP->uDSMHCount--;
} else {
#ifdef UNICODE
wSymbolCharCode = 0x300b;
#else
wSymbolCharCode = TEXT('<EFBFBD><EFBFBD>');
#endif
lpImcP->uDSMHFlg = 0x00000000;
}
uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
} else {
if (lpIMC->fdwConversion & IME_CMODE_FULLSHAPE) {
// convert to DBCS
uNumMsg = TranslateFullChar(lpTransBuf, wCharCode);
} else {
uNumMsg = TranslateToAscii(uVirtKey, uScanCode, lpTransBuf,
wCharCode);
}
}
} else if (lpIMC->fdwConversion & IME_CMODE_FULLSHAPE) {
// convert to DBCS
uNumMsg = TranslateFullChar(lpTransBuf, wCharCode);
} else {
uNumMsg = TranslateToAscii(uVirtKey, uScanCode, lpTransBuf,
wCharCode);
}
}
// CST_CHOOSE
else if (iRet == CST_CHOOSE) {
LPCANDIDATEINFO lpCandInfo;
lpCandInfo = (LPCANDIDATEINFO)ImmLockIMCC(lpIMC->hCandInfo);
if(!lpCandInfo){
ImmUnlockIMC(hIMC);
uNumMsg = TranslateToAscii(uVirtKey, uScanCode, lpTransBuf,
wCharCode);
return (uNumMsg);
}
if (uVirtKey == VK_PRIOR) {
wCharCode = VK_PRIOR;
} else if (uVirtKey == VK_NEXT) {
wCharCode = VK_NEXT;
} else if (uVirtKey == TEXT(' ')) {
// convert space to '1'
wCharCode = '1';
} else if (uVirtKey >= TEXT('0') && uVirtKey <= TEXT('9')) {
// convert shift-0 ... shift-9 to 0 ... 9
wCharCode = (WORD) uVirtKey;
} else if (uVirtKey == VK_HOME) {
wCharCode = VK_HOME;
} else if (uVirtKey == VK_END) {
wCharCode = VK_END;
} else if (wCharCode == TEXT('-')) {
wCharCode = VK_PRIOR;
} else if (wCharCode == TEXT('=')) {
wCharCode = VK_NEXT;
} else {
}
lpImcP->iImeState = CST_CHOOSE;
Finalize(lpIMC, lpCompStr, lpImcP, wCharCode); // compsition
ChooseCand(wCharCode, lpIMC, lpCandInfo, lpImcP);
ImmUnlockIMCC(lpIMC->hCandInfo);
uNumMsg = TranslateImeMessage(lpTransBuf, lpIMC, lpImcP);
}
// CST_INPUT(IME_CMODE_CHARCODE)
else if (iRet == CST_INPUT &&
lpIMC->fdwConversion & IME_CMODE_CHARCODE) {
lpImcP->iImeState = CST_INPUT;
uNumMsg = TranslateToAscii(uVirtKey, uScanCode, lpTransBuf,
wCharCode);
}
// CST_INPUT
else if (iRet == CST_INPUT) {
LPGUIDELINE lpGuideLine;
// get lpCompStr & lpGuideLine
lpCompStr = (LPCOMPOSITIONSTRING)ImmLockIMCC(lpIMC->hCompStr);
if(!lpCompStr){
ImmUnlockIMC(hIMC);
uNumMsg = TranslateToAscii(uVirtKey, uScanCode, lpTransBuf,
wCharCode);
return (uNumMsg);
}
lpGuideLine = (LPGUIDELINE)ImmLockIMCC(lpIMC->hGuideLine);
if(!lpGuideLine){
ImmUnlockIMC(hIMC);
uNumMsg = TranslateToAscii(uVirtKey, uScanCode, lpTransBuf,
wCharCode);
return (uNumMsg);
}
// composition
CompWord(wCharCode, lpIMC, lpCompStr, lpImcP, lpGuideLine);
ImmUnlockIMCC(lpIMC->hGuideLine);
ImmUnlockIMCC(lpIMC->hCompStr);
// generate message
uNumMsg = TranslateImeMessage(lpTransBuf, lpIMC, lpImcP);
}
// ELSE
else if (iRet == CST_INVALID_INPUT) {
//MessageBeep((UINT) -1);
uNumMsg = 0;
}else {
uNumMsg = TranslateToAscii(uVirtKey, uScanCode, lpTransBuf,
wCharCode);
}
// reset lpImcP->fdwImeMsg
lpImcP->fdwImeMsg &= (MSG_ALREADY_OPEN|MSG_ALREADY_START);
lpImcP->fdwGcsFlag &= (GCS_RESULTREAD|GCS_RESULT);
ImmUnlockIMCC(lpIMC->hPrivate);
ImmUnlockIMC(hIMC);
return (uNumMsg);
}