You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
114 lines
3.2 KiB
114 lines
3.2 KiB
//
|
|
// editsink.cpp
|
|
//
|
|
// ITfTextEditSink implementation.
|
|
//
|
|
|
|
#include "globals.h"
|
|
#include "case.h"
|
|
#include "snoop.h"
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// OnEndEdit
|
|
//
|
|
// Called by the system whenever anyone releases a write-access document lock.
|
|
//----------------------------------------------------------------------------
|
|
|
|
STDAPI CCaseTextService::OnEndEdit(ITfContext *pContext, TfEditCookie ecReadOnly, ITfEditRecord *pEditRecord)
|
|
{
|
|
BOOL fSelectionChanged;
|
|
IEnumTfRanges *pEnumTextChanges;
|
|
ITfRange *pRange;
|
|
|
|
// we'll use the endedit notification to update the snoop window
|
|
|
|
// did the selection change?
|
|
if (pEditRecord->GetSelectionStatus(&fSelectionChanged) == S_OK &&
|
|
fSelectionChanged)
|
|
{
|
|
_pSnoopWnd->_UpdateText(ecReadOnly, pContext, NULL);
|
|
return S_OK;
|
|
}
|
|
|
|
// text modification?
|
|
if (pEditRecord->GetTextAndPropertyUpdates(TF_GTP_INCL_TEXT, NULL, 0, &pEnumTextChanges) == S_OK)
|
|
{
|
|
if (pEnumTextChanges->Next(1, &pRange, NULL) == S_OK)
|
|
{
|
|
// arbitrary update the snoop window with the first change
|
|
// there may be more than one in the enumerator, but we don't care here
|
|
_pSnoopWnd->_UpdateText(ecReadOnly, pContext, pRange);
|
|
pRange->Release();
|
|
}
|
|
|
|
pEnumTextChanges->Release();
|
|
}
|
|
|
|
// if we get here, only property values changed
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// _InitTextEditSink
|
|
//
|
|
// Init a text edit sink on the topmost context of the document.
|
|
// Always release any previous sink.
|
|
//----------------------------------------------------------------------------
|
|
|
|
BOOL CCaseTextService::_InitTextEditSink(ITfDocumentMgr *pDocMgr)
|
|
{
|
|
ITfSource *pSource;
|
|
BOOL fRet;
|
|
|
|
// clear out any previous sink first
|
|
|
|
if (_dwTextEditSinkCookie != TF_INVALID_COOKIE)
|
|
{
|
|
if (_pTextEditSinkContext->QueryInterface(IID_ITfSource, (void **)&pSource) == S_OK)
|
|
{
|
|
pSource->UnadviseSink(_dwTextEditSinkCookie);
|
|
pSource->Release();
|
|
}
|
|
|
|
_pTextEditSinkContext->Release();
|
|
_pTextEditSinkContext = NULL;
|
|
_dwTextEditSinkCookie = TF_INVALID_COOKIE;
|
|
}
|
|
|
|
if (pDocMgr == NULL)
|
|
return TRUE; // caller just wanted to clear the previous sink
|
|
|
|
// setup a new sink advised to the topmost context of the document
|
|
|
|
if (pDocMgr->GetTop(&_pTextEditSinkContext) != S_OK)
|
|
return FALSE;
|
|
|
|
if (_pTextEditSinkContext == NULL)
|
|
return TRUE; // empty document, no sink possible
|
|
|
|
fRet = FALSE;
|
|
|
|
if (_pTextEditSinkContext->QueryInterface(IID_ITfSource, (void **)&pSource) == S_OK)
|
|
{
|
|
if (pSource->AdviseSink(IID_ITfTextEditSink, (ITfTextEditSink *)this, &_dwTextEditSinkCookie) == S_OK)
|
|
{
|
|
fRet = TRUE;
|
|
}
|
|
else
|
|
{
|
|
_dwTextEditSinkCookie = TF_INVALID_COOKIE;
|
|
}
|
|
pSource->Release();
|
|
}
|
|
|
|
if (fRet == FALSE)
|
|
{
|
|
_pTextEditSinkContext->Release();
|
|
_pTextEditSinkContext = NULL;
|
|
}
|
|
|
|
return fRet;
|
|
}
|