114 lines
3.6 KiB
C++
114 lines
3.6 KiB
C++
//////////////////////////////////////////////////////////////////////
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED
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// TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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// PARTICULAR PURPOSE.
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//
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// Copyright (C) 2003 Microsoft Corporation. All rights reserved.
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//
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// DisplayAttribure.cpp
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//
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// apply the display attribute to the composition range.
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//
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//////////////////////////////////////////////////////////////////////
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#include "globals.h"
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#include "TextService.h"
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//+---------------------------------------------------------------------------
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//
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// _ClearCompositionDisplayAttributes
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//
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//----------------------------------------------------------------------------
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void CTextService::_ClearCompositionDisplayAttributes(TfEditCookie ec, ITfContext *pContext)
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{
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ITfRange *pRangeComposition;
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ITfProperty *pDisplayAttributeProperty;
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// get the compositon range.
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if (_pComposition->GetRange(&pRangeComposition) != S_OK)
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return;
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// get our the display attribute property
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if (pContext->GetProperty(GUID_PROP_ATTRIBUTE, &pDisplayAttributeProperty) == S_OK)
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{
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// clear the value over the range
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pDisplayAttributeProperty->Clear(ec, pRangeComposition);
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pDisplayAttributeProperty->Release();
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}
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pRangeComposition->Release();
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}
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//+---------------------------------------------------------------------------
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//
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// _SetCompositionDisplayAttributes
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//
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//----------------------------------------------------------------------------
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BOOL CTextService::_SetCompositionDisplayAttributes(TfEditCookie ec, ITfContext *pContext, TfGuidAtom gaDisplayAttribute)
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{
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ITfRange *pRangeComposition;
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ITfProperty *pDisplayAttributeProperty;
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HRESULT hr;
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// we need a range and the context it lives in
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if (_pComposition->GetRange(&pRangeComposition) != S_OK)
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return FALSE;
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hr = E_FAIL;
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// get our the display attribute property
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if (pContext->GetProperty(GUID_PROP_ATTRIBUTE, &pDisplayAttributeProperty) == S_OK)
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{
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VARIANT var;
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// set the value over the range
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// the application will use this guid atom to lookup the acutal rendering information
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var.vt = VT_I4; // we're going to set a TfGuidAtom
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var.lVal = gaDisplayAttribute;
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hr = pDisplayAttributeProperty->SetValue(ec, pRangeComposition, &var);
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pDisplayAttributeProperty->Release();
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}
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pRangeComposition->Release();
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return (hr == S_OK);
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}
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//+---------------------------------------------------------------------------
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//
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// _InitDisplayAttributeGuidAtom
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//
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// Because it's expensive to map our display attribute GUID to a TSF
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// TfGuidAtom, we do it once when Activate is called.
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//----------------------------------------------------------------------------
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BOOL CTextService::_InitDisplayAttributeGuidAtom()
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{
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ITfCategoryMgr *pCategoryMgr;
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HRESULT hr;
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if (CoCreateInstance(CLSID_TF_CategoryMgr,
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NULL,
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CLSCTX_INPROC_SERVER,
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IID_ITfCategoryMgr,
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(void**)&pCategoryMgr) != S_OK)
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{
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return FALSE;
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}
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// register the display attribute for input text.
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hr = pCategoryMgr->RegisterGUID(c_guidDisplayAttributeInput, &_gaDisplayAttributeInput);
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// register the display attribute for the converted text.
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hr = pCategoryMgr->RegisterGUID(c_guidDisplayAttributeConverted, &_gaDisplayAttributeConverted);
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pCategoryMgr->Release();
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return (hr == S_OK);
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}
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