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