Source code of Windows XP (NT5)
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/*
*
* @doc INTERNAL
*
* @module TextNot.cpp -- forwards notification to Message Filter
*
* Purpose:
*
* Author: <nl>
* 1/12/99 honwch
*
* Copyright (c) 1995-2000, Microsoft Corporation. All rights reserved.
*/
#include "_common.h"
#include "_edit.h"
#include "_textnot.h"
/*
* CTextNotify::~CTextNotify()
*
* @mfunc
* CTextNotify Destructor
*
*/
CTextNotify::~CTextNotify()
{
CNotifyMgr *pnm;
if (_ped && _pMsgFilterNotify)
{
// Remove from this object from the notification link
_pMsgFilterNotify = NULL;
pnm = _ped->GetNotifyMgr();
if(pnm)
pnm->Remove(this);
_ped = NULL;
}
}
/*
* void CTextNotify::OnPreReplaceRange(cp, cchDel, cchNew, cpFormatMin, cpFormatMax, pNotifyData)
*
* @mfunc
* Forwards PreReplaceRange to Message Filter
*/
void CTextNotify::OnPreReplaceRange(
LONG cp, //@parm cp where ReplaceRange starts ("cpMin")
LONG cchDel, //@parm Count of chars after cp that are deleted
LONG cchNew, //@parm Count of chars inserted after cp
LONG cpFormatMin, //@parm cpMin for a formatting change
LONG cpFormatMax, //@parm cpMost for a formatting change
NOTIFY_DATA *pNotifyData) //@parm special data to indicate changes
{
if (_ped && _ped->_pMsgFilter && _pMsgFilterNotify)
_pMsgFilterNotify->OnPreReplaceRange(cp, cchDel, cchNew, cpFormatMin, cpFormatMax, pNotifyData);
}
/*
* void CTextNotify::OnPostReplaceRange(cp, cchDel, cchNew, cpFormatMin, cpFormatMax, pNotifyData)
*
* @mfunc
* Forwards OnPostReplaceRange to Message Filter
*/
void CTextNotify::OnPostReplaceRange(
LONG cp, //@parm cp where ReplaceRange starts ("cpMin")
LONG cchDel, //@parm Count of chars after cp that are deleted
LONG cchNew, //@parm Count of chars inserted after cp
LONG cpFormatMin, //@parm cpMin for a formatting change
LONG cpFormatMax, //@parm cpMost for a formatting change
NOTIFY_DATA *pNotifyData) //@parm special data to indicate changes
{
if (_ped && _ped->_pMsgFilter && _pMsgFilterNotify)
_pMsgFilterNotify->OnPostReplaceRange(cp, cchDel, cchNew, cpFormatMin, cpFormatMax, pNotifyData);
}
/*
* void CTextNotify::Add(pMsgFilterNotify)
*
* @mfunc
* Setup Message Filter notification. Need to add this object to Notifcation link
*
* @rdesc
* FALSE if we cant get the Notification manager
*/
BOOL CTextNotify::Add(ITxNotify *pMsgFilterNotify)
{
CNotifyMgr *pnm;
if (!_ped)
return FALSE;
if (!_pMsgFilterNotify)
{
pnm = _ped->GetNotifyMgr();
if(pnm)
pnm->Add(this);
else
return FALSE;
}
_pMsgFilterNotify = pMsgFilterNotify;
return TRUE;
}
/*
* void CTextNotify::Remove(pMsgFilterNotify)
*
* @mfunc
* Remove Message Filter notification. Remove this object from Notifcation link
*
* @rdesc
* FALSE if we cant get the Notification manager
*/
BOOL CTextNotify::Remove(ITxNotify *pMsgFilterNotify)
{
CNotifyMgr *pnm;
if (!_ped)
return FALSE;
if (_pMsgFilterNotify == pMsgFilterNotify)
{
_pMsgFilterNotify = NULL;
pnm = _ped->GetNotifyMgr();
if(pnm)
pnm->Remove(this);
}
return TRUE;
}