HRESULT CDIME::_ProbeCompositionRangeNotification(_In_ TfEditCookie ec, _In_ ITfContext *pContext)
{
debugPrint(L"CDIME::_ProbeCompositionRangeNotification(), \n");
HRESULT hr = S_OK;
if(!_IsComposing())
_StartComposition(pContext);
hr = E_FAIL;
ULONG fetched = 0;
TF_SELECTION tfSelection;
if ( pContext == nullptr || (hr = pContext->GetSelection(ec, TF_DEFAULT_SELECTION, 1, &tfSelection, &fetched)) != S_OK || fetched != 1 ||tfSelection.range==nullptr)
{
_TerminateComposition(ec,pContext);
return hr;
}
tfSelection.range->Release();
ITfRange *pRange;
ITfContextView* pContextView;
ITfDocumentMgr* pDocumgr;
if (_pComposition&&SUCCEEDED(_pComposition->GetRange(&pRange)) && pRange)
{
if(pContext && SUCCEEDED(pContext->GetActiveView(&pContextView)) && pContextView)
{
if(pContext && SUCCEEDED( pContext->GetDocumentMgr(&pDocumgr)) && pDocumgr && _pThreadMgr &&_pUIPresenter)
{
ITfDocumentMgr* pFocusDocuMgr;
_pThreadMgr->GetFocus(&pFocusDocuMgr);
if(pFocusDocuMgr == pDocumgr)
{
_pUIPresenter->_StartLayout(pContext, ec, pRange);
_pUIPresenter->_MoveUIWindowsToTextExt();
}
else
_pUIPresenter->ClearNotify();
pDocumgr->Release();
}
pContextView->Release();
}
pRange->Release();
}
_TerminateComposition(ec,pContext);
return hr;
}
HRESULT CTextService::_HandleCharacterKey(TfEditCookie ec, ITfContext *pContext, WPARAM wParam)
{
if (!_IsComposing())
_StartComposition(pContext);
//
// create an instance of the candidate list class.
//
if (_pCandidateList == NULL)
_pCandidateList = new CCandidateList(this);
//
// The document manager object is not cached. Get it from pContext.
//
ITfDocumentMgr *pDocumentMgr;
if (pContext->GetDocumentMgr(&pDocumentMgr) == S_OK)
{
//
// get the composition range.
//
ITfRange *pRange;
if (_pComposition->GetRange(&pRange) == S_OK)
{
_pCandidateList->_StartCandidateList(_tfClientId, pDocumentMgr, pContext, ec, pRange);
pRange->Release();
}
pDocumentMgr->Release();
}
if (_IsComposing())
_TerminateComposition(ec, pContext);
return S_OK;
}
HRESULT COVTSF::_HandleComplete(TfEditCookie ec, _In_ ITfContext *pContext)
{
_DeleteCandidateList(FALSE, pContext);
// just terminate the composition
_TerminateComposition(ec, pContext);
return S_OK;
}
HRESULT COVTSF::_HandleCancel(TfEditCookie ec, _In_ ITfContext *pContext)
{
_RemoveDummyCompositionForComposing(ec, _pComposition);
_DeleteCandidateList(FALSE, pContext);
_TerminateComposition(ec, pContext);
return S_OK;
}
HRESULT CTextService::_HandleCharReturn(TfEditCookie ec, ITfContext *pContext, BOOL back)
{
_EndCompletionList(ec, pContext);
//terminate composition
cursoridx = kana.size();
_Update(ec, pContext, TRUE, back);
_TerminateComposition(ec, pContext);
_ResetStatus();
return S_OK;
}
HRESULT CTextService::_HandleKey(TfEditCookie ec, ITfContext *pContext, WPARAM wParam)
{
/*
* FIXME: the following keys are not handled:
* shift left VK_LSHIFT
* shift right VK_RSHIFT
* caps lock VK_CAPITAL
* page up VK_PRIOR
* page down VK_NEXT
* ctrl num
* shift space
* numlock num VK_NUMLOCK
*/
if (('A' <= wParam && wParam <= 'Z')) {
chewing_handle_Default(mChewingContext, wParam - 'A' + 'a');
} else if ('0' <= wParam && wParam <= '9') {
chewing_handle_Default(mChewingContext, wParam);
} else {
switch(wParam) {
case VK_OEM_COMMA:
chewing_handle_Default(mChewingContext, ',');
break;
case VK_OEM_MINUS:
chewing_handle_Default(mChewingContext, '-');
break;
case VK_OEM_PERIOD:
chewing_handle_Default(mChewingContext, '.');
break;
case VK_OEM_1:
chewing_handle_Default(mChewingContext, ';');
break;
case VK_OEM_2:
chewing_handle_Default(mChewingContext, '/');
break;
case VK_OEM_3:
chewing_handle_Default(mChewingContext, '`');
break;
case VK_SPACE:
chewing_handle_Space(mChewingContext);
break;
case VK_ESCAPE:
chewing_handle_Esc(mChewingContext);
break;
case VK_RETURN:
chewing_handle_Enter(mChewingContext);
break;
case VK_DELETE:
chewing_handle_Del(mChewingContext);
break;
case VK_BACK:
chewing_handle_Backspace(mChewingContext);
break;
case VK_UP:
chewing_handle_Up(mChewingContext);
break;
case VK_DOWN:
chewing_handle_Down(mChewingContext);
case VK_LEFT:
chewing_handle_Left(mChewingContext);
break;
case VK_RIGHT:
chewing_handle_Right(mChewingContext);
break;
case VK_HOME:
chewing_handle_Home(mChewingContext);
break;
case VK_END:
chewing_handle_End(mChewingContext);
break;
default:
return S_OK;
}
}
// Remove old candidate list. We will create a new one if necessary.
_pCandidateList->_EndCandidateList();
ChewingCandidates candidate(mChewingContext);
if (!candidate.IsEmpty()) {
_SetCompositionDisplayAttributes(ec, pContext, _gaDisplayAttributeConverted);
//
// The document manager object is not cached. Get it from pContext.
//
ITfDocumentMgr *pDocumentMgr;
if (pContext->GetDocumentMgr(&pDocumentMgr) == S_OK)
{
//
// get the composition range.
//
ITfRange *pRange;
if (_pComposition->GetRange(&pRange) == S_OK)
{
_pCandidateList->_StartCandidateList(_tfClientId, pDocumentMgr, pContext, ec, pRange, candidate);
pRange->Release();
}
pDocumentMgr->Release();
}
return S_OK;
}
ChewingString commit(mChewingContext, CHEWING_STRING_COMMIT);
if (!commit.IsEmpty()) {
// FIXME: Need a better way to submit a string
if (!_IsComposing())
_StartComposition(pContext);
ULONG cFetched;
BOOL fCovered;
TF_SELECTION tfSelection;
// FIXME: Why we need this here?
// first, test where a keystroke would go in the document if an insert is done
if (pContext->GetSelection(ec, TF_DEFAULT_SELECTION, 1, &tfSelection, &cFetched) != S_OK || cFetched != 1)
return S_FALSE;
// FIXME: Why we need this here?
// is the insertion point covered by a composition?
ITfRange *pRangeComposition;
if (_pComposition->GetRange(&pRangeComposition) == S_OK)
{
fCovered = IsRangeCovered(ec, tfSelection.range, pRangeComposition);
pRangeComposition->Release();
if (!fCovered)
{
goto End3;
}
}
if (tfSelection.range->SetText(ec, 0, commit.GetString(), commit.GetLength()) != S_OK)
goto End3;
_TerminateComposition(ec, pContext);
End3: // FIXME: RAII?
tfSelection.range->Release();
}
/*
* Composition is mapped to preedit buffer + zuin buffer
*/
ChewingString preedit_zuin(mChewingContext, CHEWING_STRING_PREEDIT_ZUIN);
if (preedit_zuin.IsEmpty()) {
// Remove composition
if (_IsComposing())
{
ULONG cFetched;
BOOL fCovered;
TF_SELECTION tfSelection;
// FIXME: Why we need this here?
// first, test where a keystroke would go in the document if an insert is done
if (pContext->GetSelection(ec, TF_DEFAULT_SELECTION, 1, &tfSelection, &cFetched) != S_OK || cFetched != 1)
return S_FALSE;
// FIXME: Why we need this here?
// is the insertion point covered by a composition?
ITfRange *pRangeComposition;
if (_pComposition->GetRange(&pRangeComposition) == S_OK)
{
fCovered = IsRangeCovered(ec, tfSelection.range, pRangeComposition);
pRangeComposition->Release();
if (!fCovered)
{
goto End;
}
}
// Empties the composition
tfSelection.range->SetText(ec, 0, L"", 0);
_TerminateComposition(ec, pContext);
End: // FIXME: RAII?
tfSelection.range->Release();
}
} else {
if (!_IsComposing())
_StartComposition(pContext);
ULONG cFetched;
BOOL fCovered;
TF_SELECTION tfSelection;
// FIXME: Why we need this here?
// first, test where a keystroke would go in the document if an insert is done
if (pContext->GetSelection(ec, TF_DEFAULT_SELECTION, 1, &tfSelection, &cFetched) != S_OK || cFetched != 1)
return S_FALSE;
// FIXME: Why we need this here?
// is the insertion point covered by a composition?
ITfRange *pRangeComposition;
if (_pComposition->GetRange(&pRangeComposition) == S_OK)
{
fCovered = IsRangeCovered(ec, tfSelection.range, pRangeComposition);
pRangeComposition->Release();
if (!fCovered)
{
goto End2;
}
}
if (tfSelection.range->SetText(ec, 0, preedit_zuin.GetString(), preedit_zuin.GetLength()) != S_OK)
goto End2;
_SetCompositionDisplayAttributes(ec, pContext, _gaDisplayAttributeInput);
End2: // FIXME: RAII?
tfSelection.range->Release();
}
return S_OK;
}
HRESULT CTextService::_HandleReturnKey(TfEditCookie ec, ITfContext *pContext)
{
// just terminate the composition
_TerminateComposition(ec);
return S_OK;
}
