C++ ITfRange::SetText方法代码示例

STDAPI CEndCompositionEditSession::DoEditSession(TfEditCookie ec)
{
	/* Clear the dummy text we set before, if any. */
	ITfRange *pCompositionRange;
	if (_pComposition->GetRange(&pCompositionRange) == S_OK)
		pCompositionRange->SetText(ec, 0, L"", 0);
	
	_pComposition->EndComposition(ec);
	_pTextService->OnCompositionTerminated(ec, _pComposition);
	return S_OK;
}

HRESULT CSampleIME::_RemoveDummyCompositionForComposing(TfEditCookie ec, _In_ ITfComposition *pComposition)
{
    HRESULT hr = S_OK;

    ITfRange* pRange = nullptr;
    
    if (pComposition)
    {
        hr = pComposition->GetRange(&pRange);
        if (SUCCEEDED(hr))
        {
            pRange->SetText(ec, 0, nullptr, 0);
            pRange->Release();
        }
    }

    return hr;
}

void ToggleCase(TfEditCookie ec, ITfRange *pRange, BOOL fIgnoreRangeEnd)
{
    ITfRange *pRangeToggle;
    ULONG cch;
    ULONG i;
    DWORD dwFlags;
    WCHAR achText[64];

    // backup the current range
    if (pRange->Clone(&pRangeToggle) != S_OK)
        return;

    dwFlags = TF_TF_MOVESTART | (fIgnoreRangeEnd ? TF_TF_IGNOREEND : 0);

    while (TRUE)
    {
        // grab the next block of chars
        if (pRange->GetText(ec, dwFlags, achText, ARRAYSIZE(achText), &cch) != S_OK)
            break;

        // out of text?
        if (cch == 0)
            break;

        // toggle the case
        for (i=0; i<cch; i++)
        {
            achText[i] = ToggleChar(achText[i]);
        }

        // shift pRangeToggle so it covers just the text we read
        if (pRangeToggle->ShiftEndToRange(ec, pRange, TF_ANCHOR_START) != S_OK)
            break;

        // replace the text
        pRangeToggle->SetText(ec, 0, achText, cch);

        // prepare for next iteration
        pRangeToggle->Collapse(ec, TF_ANCHOR_END);
    }
    
    pRangeToggle->Release();
}

HRESULT CTextService::_SetText(TfEditCookie ec, ITfContext *pContext, const std::wstring &text, LONG cchCursor, LONG cchOkuri, BOOL fixed)
{
	TF_SELECTION tfSelection;
	ULONG cFetched = 0;
	LONG cch, cchRes;

	if(pContext == NULL && _pCandidateList != NULL)	//辞書登録用
	{
		_pCandidateList->_SetText(text, fixed, FALSE, FALSE);
		return S_OK;
	}

	if(!_IsComposing())
	{
		if(!_StartComposition(pContext))
		{
			return S_FALSE;
		}
	}

	if(pContext->GetSelection(ec, TF_DEFAULT_SELECTION, 1, &tfSelection, &cFetched) != S_OK)
	{
		return S_FALSE;
	}

	if(cFetched != 1)
	{
		SafeRelease(&tfSelection.range);
		return S_FALSE;
	}

	ITfRange *pRange;
	if(_IsComposing() && _pComposition->GetRange(&pRange) == S_OK)
	{
		if(_IsRangeCovered(ec, tfSelection.range, pRange))
		{
			pRange->SetText(ec, 0, text.c_str(), (LONG)text.size());

			// shift from end to start.
			// shift over mathematical operators (U+2200-U+22FF) is rejected by OneNote.
			if(cchCursor == 0)
			{
				cchRes = (LONG)cursoridx - (LONG)kana.size();
				if((complement && okuriidx != 0) ||
					(!cx_showmodemark && okuriidx != 0 && cursoridx <= okuriidx && cursoridx < kana.size()))
				{
					cchRes += 1;
				}
			}
			else
			{
				cchRes = cchCursor - (LONG)text.size();
				if(cchRes > 0)
				{
					cchRes = 0;
				}
				else if(cchRes < -(LONG)text.size())
				{
					cchRes = -(LONG)text.size();
				}
			}

			tfSelection.range->ShiftEndToRange(ec, pRange, TF_ANCHOR_END);
			tfSelection.range->ShiftStartToRange(ec, pRange, TF_ANCHOR_END);
			tfSelection.range->ShiftStart(ec, cchRes, &cch, NULL);
			//decide cursor position
			tfSelection.range->Collapse(ec, TF_ANCHOR_START);
			pContext->SetSelection(ec, 1, &tfSelection);

			//composition attribute
			if(!fixed)
			{
				ITfRange *pRangeClone;
				if(pRange->Clone(&pRangeClone) == S_OK)
				{
					pRangeClone->ShiftEndToRange(ec, pRange, TF_ANCHOR_END);
					pRangeClone->ShiftStartToRange(ec, pRange, TF_ANCHOR_START);

					if(cchCursor == 0 || !showentry)
					{
						if(inputkey)
						{
							_SetCompositionDisplayAttributes(ec, pContext, pRangeClone, _gaDisplayAttributeInputMark);
							if(cx_showmodemark)
							{
								pRangeClone->ShiftStart(ec, 1, &cch, NULL);
							}
						}

						if(!display_attribute_series[1] || !inputkey)
						{
							_SetCompositionDisplayAttributes(ec, pContext, pRangeClone, _gaDisplayAttributeInputText);
						}

						if(cchOkuri != 0)
						{
							pRangeClone->ShiftStartToRange(ec, pRange, TF_ANCHOR_START);
							pRangeClone->ShiftStart(ec, cchOkuri, &cch, NULL);
							if(!display_attribute_series[2])
							{
//.........这里部分代码省略.........