BOOL CSampleIME::_FindComposingRange(TfEditCookie ec, _In_ ITfContext *pContext, _In_ ITfRange *pSelection, _Outptr_result_maybenull_ ITfRange **ppRange)
{
if (ppRange == nullptr)
{
return FALSE;
}
*ppRange = nullptr;
// find GUID_PROP_COMPOSING
ITfProperty* pPropComp = nullptr;
IEnumTfRanges* enumComp = nullptr;
/* GetProperty(GUID_PROP_COMPOSING, ...) -- nonzero if text is part of a composition */
HRESULT hr = pContext->GetProperty(GUID_PROP_COMPOSING, &pPropComp);
if (FAILED(hr) || pPropComp == nullptr)
{
return FALSE;
}
/* EnumRanges:
Obtains an enumeration of ranges that contain unique values of the property GUID_PROP_COMPOSING within the given range */
hr = pPropComp->EnumRanges(ec, &enumComp, pSelection);
if (FAILED(hr) || enumComp == nullptr)
{
pPropComp->Release();
return FALSE;
}
BOOL isCompExist = FALSE;
VARIANT var;
ULONG fetched = 0;
while (enumComp->Next(1, ppRange, &fetched) == S_OK && fetched == 1)
{
hr = pPropComp->GetValue(ec, *ppRange, &var);
if (hr == S_OK)
{
if (var.vt == VT_I4 && var.lVal != 0)
{
isCompExist = TRUE;
break;
}
}
(*ppRange)->Release();
*ppRange = nullptr;
}
pPropComp->Release();
enumComp->Release();
return isCompExist;
}
void CMarkTextService::_ClearCompositionDisplayAttributes(TfEditCookie ec)
{
ITfRange *pRangeComposition;
ITfContext *pContext;
ITfProperty *pDisplayAttributeProperty;
// we need a range and the context it lives in
if (_pComposition->GetRange(&pRangeComposition) != S_OK)
return;
if (pRangeComposition->GetContext(&pContext) != S_OK)
{
pContext = NULL;
goto Exit;
}
// get our the display attribute property
if (pContext->GetProperty(GUID_PROP_ATTRIBUTE, &pDisplayAttributeProperty) != S_OK)
goto Exit;
// clear the value over the range
pDisplayAttributeProperty->Clear(ec, pRangeComposition);
pDisplayAttributeProperty->Release();
Exit:
pRangeComposition->Release();
SafeRelease(pContext);
}
BOOL CTextService::_SetCompositionDisplayAttributes(TfEditCookie ec, ITfContext *pContext, TfGuidAtom gaDisplayAttribute)
{
ITfRange *pRangeComposition;
ITfProperty *pDisplayAttributeProperty;
HRESULT hr;
// we need a range and the context it lives in
if (_pComposition->GetRange(&pRangeComposition) != S_OK)
return FALSE;
hr = E_FAIL;
// get our the display attribute property
if (pContext->GetProperty(GUID_PROP_ATTRIBUTE, &pDisplayAttributeProperty) == S_OK)
{
VARIANT var;
// set the value over the range
// the application will use this guid atom to lookup the acutal rendering information
var.vt = VT_I4; // we're going to set a TfGuidAtom
var.lVal = gaDisplayAttribute;
hr = pDisplayAttributeProperty->SetValue(ec, pRangeComposition, &var);
pDisplayAttributeProperty->Release();
}
pRangeComposition->Release();
return (hr == S_OK);
}
BOOL CSampleIME::_SetCompositionLanguage(TfEditCookie ec, _In_ ITfContext *pContext)
{
HRESULT hr = S_OK;
BOOL ret = TRUE;
LANGID langidProfile = 0;
GetLanguageProfile(&langidProfile);
ITfRange* pRangeComposition = nullptr;
ITfProperty* pLanguageProperty = nullptr;
// we need a range and the context it lives in
hr = _pComposition->GetRange(&pRangeComposition);
if (FAILED(hr))
{
ret = FALSE;
goto Exit;
}
// get our the language property
hr = pContext->GetProperty(GUID_PROP_LANGID, &pLanguageProperty);
if (FAILED(hr))
{
ret = FALSE;
goto Exit;
}
VARIANT var;
var.vt = VT_I4; // we're going to set DWORD
var.lVal = langidProfile;
hr = pLanguageProperty->SetValue(ec, pRangeComposition, &var);
if (FAILED(hr))
{
ret = FALSE;
goto Exit;
}
pLanguageProperty->Release();
pRangeComposition->Release();
Exit:
return ret;
}
void CTextService::_ClearCompositionDisplayAttributes(TfEditCookie ec, ITfContext *pContext)
{
ITfRange *pRangeComposition;
ITfProperty *pDisplayAttributeProperty;
// get the compositon range.
if (_pComposition->GetRange(&pRangeComposition) != S_OK)
return;
// get our the display attribute property
if (pContext->GetProperty(GUID_PROP_ATTRIBUTE, &pDisplayAttributeProperty) == S_OK)
{
// clear the value over the range
pDisplayAttributeProperty->Clear(ec, pRangeComposition);
pDisplayAttributeProperty->Release();
}
pRangeComposition->Release();
}
STDAPI CStaticPropertyEditSession::DoEditSession(TfEditCookie ec)
{
ITfProperty *pProperty;
TF_SELECTION tfSelection;
ULONG cFetched;
if (_pContext->GetSelection(ec, TF_DEFAULT_SELECTION, 1, &tfSelection, &cFetched) != S_OK || cFetched != 1)
return S_FALSE;
if (_pContext->GetProperty(c_guidPropStatic, &pProperty) == S_OK)
{
VARIANT var;
var.vt = VT_BSTR;
var.bstrVal = SysAllocString(_sz);
pProperty->SetValue(ec, tfSelection.range, &var);
pProperty->Release();
}
tfSelection.range->Release();
return S_OK;
}
BOOL CMarkTextService::_SetCompositionDisplayAttributes(TfEditCookie ec)
{
ITfRange *pRangeComposition;
ITfContext *pContext;
ITfProperty *pDisplayAttributeProperty;
VARIANT var;
HRESULT hr;
// we need a range and the context it lives in
if (_pComposition->GetRange(&pRangeComposition) != S_OK)
return FALSE;
hr = E_FAIL;
if (pRangeComposition->GetContext(&pContext) != S_OK)
{
pContext = NULL;
goto Exit;
}
// get our the display attribute property
if (pContext->GetProperty(GUID_PROP_ATTRIBUTE, &pDisplayAttributeProperty) != S_OK)
goto Exit;
// set the value over the range
// the application will use this guid atom to lookup the acutal rendering information
var.vt = VT_I4; // we're going to set a TfGuidAtom
var.lVal = _gaDisplayAttribute; // our cached guid atom for c_guidMarkDisplayAttribute
hr = pDisplayAttributeProperty->SetValue(ec, pRangeComposition, &var);
pDisplayAttributeProperty->Release();
Exit:
pRangeComposition->Release();
SafeRelease(pContext);
return (hr == S_OK);
}
BOOL CDIME::_SetCompositionLanguage(TfEditCookie ec, _In_ ITfContext *pContext)
{
debugPrint(L"CDIME::_SetCompositionLanguage()");
HRESULT hr = S_OK;
BOOL ret = TRUE;
if (pContext == nullptr || _pComposition == nullptr)
{
debugPrint(L"CDIME::_SetCompositionLanguage() failed with null pContext or _pComposition");
ret = FALSE;
goto Exit;
}
ITfRange* pRangeComposition = nullptr;
ITfProperty* pLanguageProperty = nullptr;
// we need a range and the context it lives in
hr = _pComposition->GetRange(&pRangeComposition);
if (FAILED(hr) || pRangeComposition == nullptr)
{
if (FAILED(hr))
debugPrint(L"CDIME::_SetCompositionLanguage() _pComposition->GetRange() failed");
else
debugPrint(L"CDIME::_SetCompositionLanguage() failed with null pRangeComposition");
ret = FALSE;
goto Exit;
}
// get our the language property
hr = pContext->GetProperty(GUID_PROP_LANGID, &pLanguageProperty);
if (FAILED(hr) || pLanguageProperty == nullptr)
{
if (FAILED(hr))
debugPrint(L"CDIME::_SetCompositionLanguage() pContext->GetProperty() failed hr = %x", hr);
else
debugPrint(L"CDIME::_SetCompositionLanguage() failed with null pLanguageProperty");
ret = FALSE;
goto Exit;
}
VARIANT var;
var.vt = VT_I4; // we're going to set DWORD
var.lVal = _langid;
hr = pLanguageProperty->SetValue(ec, pRangeComposition, &var);
if (FAILED(hr) || pRangeComposition == nullptr)
{
if (FAILED(hr))
debugPrint(L"CDIME::_SetCompositionLanguage() pLanguageProperty->SetValue() failed hr = %x", hr);
else
debugPrint(L"CDIME::_SetCompositionLanguage() failed with null pRangeComposition ");
ret = FALSE;
goto Exit;
}
pLanguageProperty->Release();
pRangeComposition->Release();
Exit:
return ret;
}
BOOL CDIME::_FindComposingRange(TfEditCookie ec, _In_ ITfContext *pContext, _In_ ITfRange *pSelection, _Outptr_result_maybenull_ ITfRange **ppRange)
{
debugPrint(L"CDIME::_FindComposingRange()");
if (pContext == nullptr || ppRange == nullptr)
{
debugPrint(L"CDIME::_FindComposingRange() failed with null pContext or pRange");
return FALSE;
}
*ppRange = nullptr;
// find GUID_PROP_COMPOSING
ITfProperty* pPropComp = nullptr;
IEnumTfRanges* enumComp = nullptr;
HRESULT hr = pContext->GetProperty(GUID_PROP_COMPOSING, &pPropComp);
if (FAILED(hr) || pPropComp == nullptr)
{
if (FAILED(hr))
debugPrint(L"CDIME::_FindComposingRange() pContext->GetProperty() failed");
else
debugPrint(L"CDIME::_FindComposingRange() failed with null pPropComp");
return FALSE;
}
hr = pPropComp->EnumRanges(ec, &enumComp, pSelection);
if (FAILED(hr) || enumComp == nullptr)
{
if (FAILED(hr))
debugPrint(L"CDIME::_FindComposingRange() pPropComp->EnumRanges failed");
else
debugPrint(L"CDIME::_FindComposingRange() failed with null enumComp");
pPropComp->Release();
return FALSE;
}
BOOL isCompExist = FALSE;
VARIANT var;
ULONG fetched = 0;
while (enumComp->Next(1, ppRange, &fetched) == S_OK && fetched == 1)
{
debugPrint(L"CDIME::_FindComposingRange() enumComp->Next() ");
hr = pPropComp->GetValue(ec, *ppRange, &var);
if (hr == S_OK)
{
if (var.vt == VT_I4 && var.lVal != 0)
{
WCHAR rangeText[4096];
rangeText[0] = NULL;
fetched = 0;
hr = (*ppRange)->GetText(ec, 0, rangeText, 4096, &fetched);
if (SUCCEEDED(hr))
{
if (lastReadingString.GetLength() > 0) // The last reading string is null when composing is just started and the range should be empty.
{
debugPrint(L"CDIME::_FindComposingRange() text in range = %s with %d character, last reading string = %s with %d characters",
rangeText, fetched, lastReadingString.Get(), lastReadingString.GetLength());
UINT cmpCount = (int)lastReadingString.GetLength();
BOOL rangeMatchReadingString = FALSE;
if (fetched > 0 && fetched > cmpCount)
{
LONG shifted = 0;
// range contains other characters than last reading string, and these characters should be skipped with shifting the start anchor
(*ppRange)->ShiftStart(ec, fetched - cmpCount, &shifted, NULL);
debugPrint(L"CDIME::_FindComposingRange() shift start anchor with %d characters", shifted);
rangeText[0] = NULL;
hr = (*ppRange)->GetText(ec, 0, rangeText, 4096, &fetched);
if (SUCCEEDED(hr))
debugPrint(L"CDIME::_FindComposingRange() text in range with shited anchor = %s with %d character", rangeText, fetched);
}
// The range we are composing should always matched with the last reading string.
rangeMatchReadingString = CompareString(GetLocale(), 0, rangeText, cmpCount, lastReadingString.Get(), cmpCount) == CSTR_EQUAL;
if (rangeMatchReadingString)
{
isCompExist = TRUE;
debugPrint(L"CDIME::_FindComposingRange() text in this range mathced with last reading string. isCompExist = TRUE");
break;
}
}
}
else
{
debugPrint(L"CDIME::_FindComposingRange() cannot getText from range isCompExist = TRUE");
}
}
}
debugPrint(L"CDIME::_FindComposingRange() release *ppRange");
if(*ppRange)
(*ppRange)->Release();
*ppRange = nullptr;
}
pPropComp->Release();
enumComp->Release();
return isCompExist;
}
void CTSFEditWnd::_Save(IStream *pStream)
{
if(pStream)
{
HRESULT hr;
//write the plain UNICODE text into the stream
LPWSTR pwsz;
LONG cch;
ULONG uWritten;
LARGE_INTEGER li;
ULONG uSize;
//set the stream pointer to the start of the stream
li.QuadPart = 0;
pStream->Seek(li, STREAM_SEEK_SET, NULL);
//get the text
if(SUCCEEDED(_GetText(&pwsz, &cch)))
{
TF_PERSISTENT_PROPERTY_HEADER_ACP PropHeader;
//write the size, in BYTES, of the text
uSize = cch * sizeof(WCHAR);
hr = pStream->Write(&uSize, sizeof(ULONG), &uWritten);
//write the text, including the NULL_terminator, into the stream
hr = pStream->Write(pwsz, uSize, &uWritten);
//free the memory allocated by _GetText
GlobalFree(pwsz);
//enumerate the properties in the context
IEnumTfProperties *pEnumProps;
hr = m_pContext->EnumProperties(&pEnumProps);
if(SUCCEEDED(hr))
{
ITfProperty *pProp;
ULONG uFetched;
while(SUCCEEDED(pEnumProps->Next(1, &pProp, &uFetched)) && uFetched)
{
//enumerate all the ranges that contain the property
IEnumTfRanges *pEnumRanges;
hr = pProp->EnumRanges(m_EditCookie, &pEnumRanges, NULL);
if(SUCCEEDED(hr))
{
IStream *pTempStream;
//create a temporary stream to write the property data to
hr = CreateStreamOnHGlobal(NULL, TRUE, &pTempStream);
if(SUCCEEDED(hr))
{
ITfRange *pRange;
while(SUCCEEDED(pEnumRanges->Next(1, &pRange, &uFetched)) && uFetched)
{
//reset the temporary stream's pointer
li.QuadPart = 0;
pTempStream->Seek(li, STREAM_SEEK_SET, NULL);
//get the property header and data for the range
hr = m_pServices->Serialize(pProp, pRange, &PropHeader, pTempStream);
/*
Write the property header into the primary stream.
The header also contains the size of the property
data.
*/
hr = pStream->Write(&PropHeader, sizeof(TF_PERSISTENT_PROPERTY_HEADER_ACP), &uWritten);
//reset the temporary stream's pointer
li.QuadPart = 0;
pTempStream->Seek(li, STREAM_SEEK_SET, NULL);
//copy the property data from the temporary stream into the primary stream
ULARGE_INTEGER uli;
uli.QuadPart = PropHeader.cb;
hr = pTempStream->CopyTo(pStream, uli, NULL, NULL);
pRange->Release();
}
pTempStream->Release();
}
pEnumRanges->Release();
}
pProp->Release();
}
pEnumProps->Release();
}
//write a property header with zero size and guid into the stream as a terminator
ZeroMemory(&PropHeader, sizeof(TF_PERSISTENT_PROPERTY_HEADER_ACP));
hr = pStream->Write(&PropHeader, sizeof(TF_PERSISTENT_PROPERTY_HEADER_ACP), &uWritten);
}
}
}
void CTSFEditWnd::_Load(IStream *pStream)
{
if(NULL == pStream)
{
return;
}
//can't do this if someone has a lock
if(_IsLocked(TS_LF_READ))
{
return;
}
_ClearText();
HRESULT hr;
ULONG uRead;
LARGE_INTEGER li;
ULONG uSize;
//set the stream pointer to the start of the stream
li.QuadPart = 0;
pStream->Seek(li, STREAM_SEEK_SET, NULL);
//get the size of the text, in BYTES. This is the first ULONG in the stream
hr = pStream->Read(&uSize, sizeof(ULONG), &uRead);
if(SUCCEEDED(hr) && (sizeof(ULONG) == uRead))
{
LPWSTR pwsz;
//allocate a buffer for the text plus one NULL character
pwsz = (LPWSTR)GlobalAlloc(GPTR, uSize + sizeof(WCHAR));
if(NULL != pwsz)
{
//get the plain UNICODE text from the stream
hr = pStream->Read(pwsz, uSize, &uRead);
if(SUCCEEDED(hr) && (uSize == uRead))
{
TF_PERSISTENT_PROPERTY_HEADER_ACP PropHeader;
//put the text into the edit control, but don't send a change notification
BOOL fOldNotify = m_fNotify;
m_fNotify = FALSE;
SetWindowTextW(m_hwndEdit, pwsz);
m_fNotify = fOldNotify;
/*
Read each property header and property data from the stream. The
list of properties is terminated by a TF_PERSISTENT_PROPERTY_HEADER_ACP
structure with a cb member of zero.
*/
hr = pStream->Read(&PropHeader, sizeof(TF_PERSISTENT_PROPERTY_HEADER_ACP), &uRead);
while( SUCCEEDED(hr) &&
(sizeof(TF_PERSISTENT_PROPERTY_HEADER_ACP) == uRead) &&
(0 != PropHeader.cb))
{
ITfProperty *pProp;
hr = m_pContext->GetProperty(PropHeader.guidType, &pProp);
if(SUCCEEDED(hr))
{
/*
Have TSF read the property data from the stream. This call
will request a read lock, so make sure it can be granted
or else this method will fail.
*/
CTSFPersistentPropertyLoader *pLoader = new CTSFPersistentPropertyLoader(&PropHeader, pStream);
hr = m_pServices->Unserialize(pProp, &PropHeader, NULL, pLoader);
pProp->Release();
}
hr = pStream->Read(&PropHeader, sizeof(TF_PERSISTENT_PROPERTY_HEADER_ACP), &uRead);
}
}
GlobalFree(pwsz);
}
}
}