STDAPI CCandidateList::OnLayoutChange(ITfContext *pContext, TfLayoutCode lcode, ITfContextView *pContextView){
if (pContext != _pContextDocument)
return S_OK;
switch (lcode){
case TF_LC_CHANGE:
if (_pCandidateWindow != NULL)
{
CGetTextExtentEditSession *pEditSession;
if ((pEditSession = new CGetTextExtentEditSession(_pTextService, pContext, pContextView, _pRangeComposition, _pCandidateWindow)) != NULL)
{
HRESULT hr;
// a lock is required
// nb: this method is one of the few places where it is legal to use
// the TF_ES_SYNC flag
pContext->RequestEditSession(_pTextService->_GetClientId(), pEditSession, TF_ES_SYNC | TF_ES_READ, &hr);
pEditSession->Release();
}
}
break;
case TF_LC_DESTROY:
_EndCandidateList();
break;
}
return S_OK;
}
/* Composition Window Handling */
BOOL WeaselTSF::_UpdateCompositionWindow(ITfContext *pContext)
{
ITfContextView *pContextView = NULL;
if (pContext->GetActiveView(&pContextView) != S_OK)
return FALSE;
CGetTextExtentEditSession *pEditSession;
if ((pEditSession = new CGetTextExtentEditSession(this, pContext, pContextView, _pComposition)) != NULL)
{
HRESULT hr;
pContext->RequestEditSession(_tfClientId, pEditSession, TF_ES_ASYNCDONTCARE | TF_ES_READ, &hr);
pEditSession->Release();
pContextView->Release();
return TRUE;
}
pContextView->Release();
return FALSE;
}
