116 lines
3.5 KiB
C++
116 lines
3.5 KiB
C++
// 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 TO
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// 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) Microsoft Corporation. All rights reserved
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#include "Private.h"
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#include "globals.h"
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#include "SampleIME.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 CSampleIME::_ClearCompositionDisplayAttributes(TfEditCookie ec, _In_ ITfContext *pContext)
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{
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ITfRange* pRangeComposition = nullptr;
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ITfProperty* pDisplayAttributeProperty = nullptr;
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// get the compositon range.
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if (FAILED(_pComposition->GetRange(&pRangeComposition)))
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{
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return;
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}
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// get our the display attribute property
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if (SUCCEEDED(pContext->GetProperty(GUID_PROP_ATTRIBUTE, &pDisplayAttributeProperty)))
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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 CSampleIME::_SetCompositionDisplayAttributes(TfEditCookie ec, _In_ ITfContext *pContext, TfGuidAtom gaDisplayAttribute)
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{
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ITfRange* pRangeComposition = nullptr;
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ITfProperty* pDisplayAttributeProperty = nullptr;
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HRESULT hr = S_OK;
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// we need a range and the context it lives in
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hr = _pComposition->GetRange(&pRangeComposition);
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if (FAILED(hr))
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{
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return FALSE;
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}
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hr = E_FAIL;
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// get our the display attribute property
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if (SUCCEEDED(pContext->GetProperty(GUID_PROP_ATTRIBUTE, &pDisplayAttributeProperty)))
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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 CSampleIME::_InitDisplayAttributeGuidAtom()
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{
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ITfCategoryMgr* pCategoryMgr = nullptr;
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HRESULT hr = CoCreateInstance(CLSID_TF_CategoryMgr, nullptr, CLSCTX_INPROC_SERVER, IID_ITfCategoryMgr, (void**)&pCategoryMgr);
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if (FAILED(hr))
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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(Global::SampleIMEGuidDisplayAttributeInput, &_gaDisplayAttributeInput);
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if (FAILED(hr))
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{
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goto Exit;
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}
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// register the display attribute for the converted text.
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hr = pCategoryMgr->RegisterGUID(Global::SampleIMEGuidDisplayAttributeConverted, &_gaDisplayAttributeConverted);
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if (FAILED(hr))
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{
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goto Exit;
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}
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Exit:
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pCategoryMgr->Release();
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return (hr == S_OK);
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}
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