HRESULT CDIME::_AddComposingAndChar(TfEditCookie ec, _In_ ITfContext *pContext, _In_ CStringRange *pstrAddString)
{
debugPrint(L"CDIME::_AddComposingAndChar() reading string = %s", pstrAddString->Get());
HRESULT hr = S_OK;
ULONG fetched = 0;
TF_SELECTION tfSelection;
if (pContext->GetSelection(ec, TF_DEFAULT_SELECTION, 1, &tfSelection, &fetched) != S_OK || fetched == 0)
return S_FALSE;
//
// make range start to selection
//
ITfRange* pAheadSelection = nullptr;
hr = pContext->GetStart(ec, &pAheadSelection);
if (SUCCEEDED(hr) && pAheadSelection)
{
debugPrint(L"CDIME::_AddComposingAndChar() SUCCEEDED( pContext->GetStart( &pAheadSelection))");
hr = pAheadSelection->ShiftEndToRange(ec, tfSelection.range, TF_ANCHOR_START);
if (SUCCEEDED(hr))
{
debugPrint(L"CDIME::_AddComposingAndChar() SUCCEEDED( pAheadSelection->ShiftEndToRange())");
ITfRange* pRange = nullptr;
BOOL exist_composing = _FindComposingRange(ec, pContext, pAheadSelection, &pRange);
if (FAILED(_SetInputString(ec, pContext, pRange, pstrAddString, exist_composing)))
debugPrint(L"CDIME::_AddComposingAndChar() _SetInputString() failed.");
if (pRange)
pRange->Release();
lastReadingString = *pstrAddString;
}
}
tfSelection.range->Release();
if (pAheadSelection)
{
pAheadSelection->Release();
}
return S_OK;
}
HRESULT CSampleIME::_UpdateCandidateString(TfEditCookie ec, _In_ ITfContext *pContext, _In_ const std::wstring &pstrAddString)
{
HRESULT hr = S_OK;
ULONG fetched = 0;
TF_SELECTION tfSelection;
if (pContext->GetSelection(ec, TF_DEFAULT_SELECTION, 1, &tfSelection, &fetched) != S_OK || fetched == 0)
return S_FALSE;
//
// make range start to selection
//
ITfRange* pAheadSelection = nullptr;
hr = pContext->GetStart(ec, &pAheadSelection);
if (SUCCEEDED(hr))
{
hr = pAheadSelection->ShiftEndToRange(ec, tfSelection.range, TF_ANCHOR_START);
if (SUCCEEDED(hr))
{
ITfRange* pRange = nullptr;
/* existing_composing = true if text range is has a composition
pRange = the composition range */
BOOL exist_composing = _FindComposingRange(ec, pContext, pAheadSelection, &pRange);
// Well... since we want an initial 'u'
// TODO: This is obviously inefficient allocation of memory for another string
_SetInputString(ec, pContext, pRange, pstrAddString, exist_composing);
if (pRange)
{
pRange->Release();
}
}
}
tfSelection.range->Release();
if (pAheadSelection)
{
pAheadSelection->Release();
}
return S_OK;
}