toascii.c

This folder includes IME sample source code for Simplified Chinese IMEs

    // 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_ALPHANUMERIC
    // CST_SYMBOL

    // 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
                        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);
                }

        if (lpIMC->fdwConversion & IME_CMODE_SYMBOL) {
                    WORD wSymbolCharCode;
                        if(wCharCode == TEXT('.')) {
#ifdef UNICODE
                               wSymbolCharCode = 0x3002;
#else
                                wSymbolCharCode = TEXT('。');
#endif
                    uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
                        } else if(wCharCode == TEXT(',')) {
#ifdef UNICODE
                                wSymbolCharCode = 0xff0c;
#else
                                wSymbolCharCode = TEXT('，');
#endif
                    uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
                        } else if(wCharCode == TEXT(';')) {
#ifdef UNICODE
                                wSymbolCharCode = 0xff1b;
#else
                                wSymbolCharCode = TEXT('；');
#endif
                    uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
                        } else if(wCharCode == TEXT(':')) {
#ifdef UNICODE
                                wSymbolCharCode = 0xff1a;
#else
                                wSymbolCharCode = TEXT('：');
#endif
                    uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
                        } else if(wCharCode == TEXT('?')) {
#ifdef UNICODE
                                wSymbolCharCode = 0xff1f;
#else
                                wSymbolCharCode = TEXT('？');
#endif
                    uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
                        } else if(wCharCode == TEXT('!')) {
#ifdef UNICODE
                                wSymbolCharCode = 0xff01;
#else
                                wSymbolCharCode = TEXT('！');
#endif
                    uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
                        } else if(wCharCode == TEXT('(')) {
#ifdef UNICODE
                                wSymbolCharCode = 0xff08;
#else
                                wSymbolCharCode = TEXT('（');
#endif
                    uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
                        } else if(wCharCode == TEXT(')')) {
#ifdef UNICODE
                                wSymbolCharCode = 0xff09;
#else
                                wSymbolCharCode = TEXT('）');
#endif
                    uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
                        } else if(wCharCode == TEXT('\\')) {
#ifdef UNICODE
                                wSymbolCharCode = 0x3001;
#else
                                wSymbolCharCode = TEXT('、');
#endif
                    uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
                        } else if(wCharCode == TEXT('@')) {
#ifdef UNICODE
                                wSymbolCharCode = 0x00b7;
#else
                                wSymbolCharCode = TEXT('·');
#endif
                    uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
                        } else if(wCharCode == TEXT('&')) {
#ifdef UNICODE
                                wSymbolCharCode = 0x2014;
#else
                                wSymbolCharCode = TEXT('—');
#endif
                    uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
                        } else if(wCharCode == TEXT('$')) {
#ifdef UNICODE
                                wSymbolCharCode = 0xffe5;
#else
                                wSymbolCharCode = TEXT('￥');
#endif
                    uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
                        } else if(wCharCode == TEXT('_')) {
#ifdef UNICODE
                                wSymbolCharCode = 0x2014;
#else
                                wSymbolCharCode = TEXT('—');
#endif
                    uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, TRUE);
                        } else if(wCharCode == TEXT('^')) {
#ifdef UNICODE
                                wSymbolCharCode = 0x2026;
#else
                                wSymbolCharCode = TEXT('…');
#endif
                    uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, TRUE);
                        } else if(wCharCode == TEXT('"')) {
                                if(lpImcP->uSYHFlg) {
#ifdef UNICODE
                                        wSymbolCharCode = 0x201d;
                                } else {
                                        wSymbolCharCode = 0x201c;

#else
                                        wSymbolCharCode = TEXT('”');
                                } else {
                                        wSymbolCharCode = TEXT('“');
#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('’');
                                } else {
                                        wSymbolCharCode = TEXT('‘');
#endif
                                }
                        lpImcP->uDYHFlg ^= 0x00000001;
                    uNumMsg = TranslateSymbolChar(lpTransBuf, wSymbolCharCode, FALSE);
                        } else if(wCharCode == TEXT('<')) {
                                if(lpImcP->uDSMHFlg) {
#ifdef UNICODE
                                        wSymbolCharCode = 0x3008;
#else
                                        wSymbolCharCode = TEXT('〈');
#endif
                                        lpImcP->uDSMHCount++;
                                } else {
#ifdef UNICODE
                                        wSymbolCharCode = 0x300a;
#else
                                        wSymbolCharCode = TEXT('《');
#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('〉');
#endif
                                        lpImcP->uDSMHCount--;
                                } else {
#ifdef UNICODE
                                        wSymbolCharCode = 0x300b;
#else
                                        wSymbolCharCode = TEXT('》');
#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){
            return (CST_INVALID);
                }

        if (uVirtKey == VK_PRIOR) {
            wCharCode = TEXT('-');
        } else if (uVirtKey == VK_NEXT) {
            wCharCode = TEXT('=');
        } else if (uVirtKey == VK_SPACE) {
            wCharCode = TEXT('1');
        } else if (uVirtKey >= 0 && uVirtKey <= TEXT('9')) {
            // convert shift-0 ... shift-9 to 0 ... 9
            wCharCode = (WORD)uVirtKey;
        } else if (uVirtKey == VK_HOME) {
            wCharCode = 0x24;
        } else if (uVirtKey == VK_END) {
            wCharCode = 0x23;
        } else {
        }

            lpImcP->iImeState = CST_CHOOSE;
        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) {
        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){
            return (CST_INVALID);
                }

        lpGuideLine = (LPGUIDELINE)ImmLockIMCC(lpIMC->hGuideLine);
                if(!lpGuideLine){
                ImmUnlockIMCC(lpIMC->hCompStr);
            return (CST_INVALID);
                }

        // 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);
}