Windows-classic-samples/Samples/IME/cpp/SampleIME/GetTextExtentEditSession.cpp
2025-11-28 00:35:46 +09:00

44 lines
1.4 KiB
C++

// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.
//
// Copyright (c) Microsoft Corporation. All rights reserved
#include "Private.h"
#include "EditSession.h"
#include "GetTextExtentEditSession.h"
#include "TfTextLayoutSink.h"
//+---------------------------------------------------------------------------
//
// ctor
//
//----------------------------------------------------------------------------
CGetTextExtentEditSession::CGetTextExtentEditSession(_In_ CSampleIME *pTextService, _In_ ITfContext *pContext, _In_ ITfContextView *pContextView, _In_ ITfRange *pRangeComposition, _In_ CTfTextLayoutSink *pTfTextLayoutSink) : CEditSessionBase(pTextService, pContext)
{
_pContextView = pContextView;
_pRangeComposition = pRangeComposition;
_pTfTextLayoutSink = pTfTextLayoutSink;
}
//+---------------------------------------------------------------------------
//
// ITfEditSession::DoEditSession
//
//----------------------------------------------------------------------------
STDAPI CGetTextExtentEditSession::DoEditSession(TfEditCookie ec)
{
RECT rc = {0, 0, 0, 0};
BOOL isClipped = TRUE;
if (SUCCEEDED(_pContextView->GetTextExt(ec, _pRangeComposition, &rc, &isClipped)))
{
_pTfTextLayoutSink->_LayoutChangeNotification(&rc);
}
return S_OK;
}