static bool handleCandidates(HWND hwnd) {
/* Obtain IME context */
HIMC imc = ImmGetContext(hwnd);
if (!imc) return false;
/* Make sure there is at least one candidate list */
DWORD count = 0;
DWORD len = ImmGetCandidateListCountW(imc, &count);
if (!count) {
ImmReleaseContext(hwnd, imc);
return false;
}
candidateIMEWindow=hwnd;
/* Read first candidate list */
CANDIDATELIST* list = (CANDIDATELIST*)malloc(len);
ImmGetCandidateList(imc, 0, list, len);
ImmReleaseContext(hwnd, imc);
/* Determine candidates currently being shown */
DWORD pageEnd = list->dwPageStart + list->dwPageSize;
DWORD selection=list->dwSelection-list->dwPageStart;
if (list->dwPageSize == 0) {
pageEnd = list->dwCount;
} else if (pageEnd > list->dwCount) {
pageEnd = list->dwCount;
}
/* Concatenate currently shown candidates into a string */
WCHAR* cand_str = (WCHAR*)malloc(len);
WCHAR* ptr = cand_str;
for (DWORD n = list->dwPageStart, count = 0; n < pageEnd; ++n) {
DWORD offset = list->dwOffset[n];
WCHAR* cand = (WCHAR*)(((char*)list) + offset);
size_t clen = wcslen(cand);
if (!clen) continue;
CopyMemory(ptr, cand, (clen + 1) * sizeof(WCHAR));
if ((n + 1) < pageEnd) ptr[clen] = '\n';
ptr += (clen + 1);
++count;
}
HKL kbd_layout = GetKeyboardLayout(0);
WCHAR filename[MAX_PATH + 1]={0};
ImmGetIMEFileNameW(kbd_layout, filename, MAX_PATH);
if(cand_str&&wcslen(cand_str)>0) {
nvdaControllerInternal_inputCandidateListUpdate(cand_str,selection,filename);
}
/* Clean up */
free(cand_str);
free(list);
return (count > 0);
}
static HRESULT WINAPI ActiveIMMApp_GetIMEFileNameW(IActiveIMMApp* This,
HKL hKL, UINT uBufLen, LPWSTR szFileName, UINT *puCopied)
{
*puCopied = ImmGetIMEFileNameW(hKL, szFileName, uBufLen);
return S_OK;
}
void handleReadingStringUpdate(HWND hwnd) {
/* Obtain IME context */
HIMC imc = ImmGetContext(hwnd);
if (!imc) return;
wchar_t* read_str=NULL;
HKL kbd_layout = GetKeyboardLayout(0);
WCHAR filename[MAX_PATH + 1];
DWORD version=0;
HMODULE IMEFile=NULL;
GetReadingString_funcType GetReadingString=NULL;
if (isTSFThread(true)) {
// Look up filename of active TIP
if(getTIPFilename(curTSFClsID, filename, MAX_PATH)) {
IMEFile=LoadLibrary(filename);
if(IMEFile) {
GetReadingString=(GetReadingString_funcType)GetProcAddress(IMEFile, "GetReadingString");
}
}
}
else if(ImmGetIMEFileNameW(kbd_layout, filename, MAX_PATH)>0) {
IMEFile=LoadLibrary(filename);
if(IMEFile) {
GetReadingString=(GetReadingString_funcType)GetProcAddress(IMEFile, "GetReadingString");
}
if(!GetReadingString) {
version=getIMEVersion(kbd_layout,filename);
}
}
if(GetReadingString) {
// Use GetReadingString() API if available
UINT len = 0;
INT err = 0;
BOOL vert = FALSE;
UINT max_len = 0;
len = GetReadingString(imc, 0, NULL, &err, &vert, &max_len);
if (len) {
read_str = (WCHAR*)malloc(sizeof(WCHAR) * (len + 1));
read_str[len] = '\0';
GetReadingString(imc, len, read_str, &err, &vert, &max_len);
}
} else if(version) {
// Read private data in IMCC
UINT len = 0;
INT err = 0;
LPINPUTCONTEXT2 ctx = immLockIMC(imc);
LPBYTE priv = (LPBYTE)immLockIMCC(ctx->hPrivate);
LPBYTE p = 0;
LPBYTE str = NULL;
switch (version) {
case IMEID_CHT_VER42:
case IMEID_CHT_VER43:
case IMEID_CHT_VER44:
p = *(LPBYTE*)(priv + 24);
if (!p) break;
len = *(DWORD*)(p + 7*4 + 32*4); //m_dwInputReadStrLen
err = *(DWORD*)(p + 8*4 + 32*4); //m_dwErrorReadStrStart
str = (p + 56);
break;
case IMEID_CHT_VER51: // 5.1.x.x // IME2002(w/OfficeXP)
case IMEID_CHT_VER52: // 5.2.x.x // (w/whistler)
case IMEID_CHS_VER53: // 5.3.x.x // SCIME2k or MSPY3 (w/OfficeXP and Whistler)
p = *(LPBYTE*)(priv + 4); // PCKeyCtrlManager
if (!p) break;
p = *(LPBYTE*)((LPBYTE)p + 1*4 + 5*4); // = PCReading = &STypingInfo
if (!p) break;
len = *(DWORD*)(p + 1*4 + (16*2+2*4) + 5*4 + 16*2); //m_dwDisplayStringLength;
err = *(DWORD*)(p + 1*4 + (16*2+2*4) + 5*4 + 16*2 + 1*4); //m_dwDisplayErrorStart;
str = (p + 1*4 + (16*2+2*4) + 5*4);
break;
case IMEID_CHS_VER42: // 4.2.x.x // SCIME98 or MSPY2 (w/Office2k, Win2k, WinME, etc)
p = *(LPBYTE*)(priv + 1*4 + 1*4 + 6*4); // = PCReading = &STypintInfo
if (!p) break;
len = *(DWORD*)(p + 1*4 + (16*2+2*4) + 5*4 + 16*2); //m_dwDisplayStringLength;
err = *(DWORD*)(p + 1*4 + (16*2+2*4) + 5*4 + 16*2 + 1*4); //m_dwDisplayErrorStart;
str = (p + 1*4 + (16*2+2*4) + 5*4); //m_tszDisplayString
break;
}
read_str = (WCHAR*)malloc(sizeof(WCHAR) * (len + 1));
read_str[len] = '\0';
memcpy(read_str, str, sizeof(WCHAR) * len);
immUnlockIMCC(ctx->hPrivate);
immUnlockIMC(imc);
}
if(IMEFile) FreeLibrary(IMEFile);
ImmReleaseContext(hwnd, imc);
if(read_str) {
long len=(long)wcslen(read_str);
if(len>1||(len==1&&read_str[0]!=L'\x3000')) {
long cursorPos=(long)wcslen(read_str);
nvdaControllerInternal_inputCompositionUpdate(read_str,cursorPos,cursorPos,1);
}
free(read_str);
}
}
