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1c9ef389ec74b51d603c39ef4ea0d7f1964df7fc
libreoffice/sw/source/core/crsr/callnk.cxx
Vladimir Glazounov eff3643145 INTEGRATION: CWS sw011 (1.5.150); FILE MERGED 
2003/04/11 10:03:49 dvo 1.5.150.1: #108801# always update toolbar (etc.) when whether we have a text selection
         changes
2003-04-17 15:03:43 +00:00

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/*************************************************************************
*
* $RCSfile: callnk.cxx,v $
*
* $Revision: 1.7 $
*
* last change: $Author: vg $ $Date: 2003-04-17 16:03:43 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#pragma hdrstop
#ifndef _HINTIDS_HXX
#include <hintids.hxx>
#endif
#ifndef _COM_SUN_STAR_I18N_SCRIPTTYPE_HDL_
#include <com/sun/star/i18n/ScriptType.hdl>
#endif
#ifndef _FMTCNTNT_HXX //autogen
#include <fmtcntnt.hxx>
#endif
#ifndef _TXATBASE_HXX //autogen
#include <txatbase.hxx>
#endif
#ifndef _FRMATR_HXX
#include <frmatr.hxx>
#endif
#ifndef _VISCRS_HXX
#include <viscrs.hxx>
#endif
#ifndef _CALLNK_HXX
#include <callnk.hxx>
#endif
#ifndef _CRSRSH_HXX
#include <crsrsh.hxx>
#endif
#ifndef _DOC_HXX
#include <doc.hxx>
#endif
#ifndef _FRMFMT_HXX
#include <frmfmt.hxx>
#endif
#ifndef _TXTFRM_HXX
#include <txtfrm.hxx>
#endif
#ifndef _NDTXT_HXX
#include <ndtxt.hxx>
#endif
#ifndef _FLYFRM_HXX
#include <flyfrm.hxx>
#endif
#ifndef _BREAKIT_HXX
#include <breakit.hxx>
#endif
SwCallLink::SwCallLink( SwCrsrShell & rSh, ULONG nAktNode, xub_StrLen nAktCntnt,
BYTE nAktNdTyp, long nLRPos, bool bAktSelection )
: rShell( rSh ), nNode( nAktNode ), nCntnt( nAktCntnt ),
nNdTyp( nAktNdTyp ), nLeftFrmPos( nLRPos ),
bHasSelection( bAktSelection )
{
}
SwCallLink::SwCallLink( SwCrsrShell & rSh )
: rShell( rSh )
{
// SPoint-Werte vom aktuellen Cursor merken
SwPaM* pCrsr = rShell.IsTableMode() ? rShell.GetTblCrs() : rShell.GetCrsr();
SwNode& rNd = pCrsr->GetPoint()->nNode.GetNode();
nNode = rNd.GetIndex();
nCntnt = pCrsr->GetPoint()->nContent.GetIndex();
nNdTyp = rNd.GetNodeType();
bHasSelection = ( *pCrsr->GetPoint() != *pCrsr->GetMark() );
if( ND_TEXTNODE & nNdTyp )
nLeftFrmPos = SwCallLink::GetFrm( (SwTxtNode&)rNd, nCntnt,
!rShell.ActionPend() );
else
{
nLeftFrmPos = 0;
// eine Sonderbehandlung fuer die SwFeShell: diese setzt beim Loeschen
// der Kopf-/Fusszeile, Fussnoten den Cursor auf NULL (Node + Content)
// steht der Cursor auf keinem CntntNode, wird sich das im NdType
// gespeichert.
if( ND_CONTENTNODE & nNdTyp )
nNdTyp = 0;
}
}
SwCallLink::~SwCallLink()
{
if( !nNdTyp || !rShell.bCallChgLnk ) // siehe ctor
return ;
// wird ueber Nodes getravellt, Formate ueberpruefen und im neuen
// Node wieder anmelden
SwPaM* pCurCrsr = rShell.IsTableMode() ? rShell.GetTblCrs() : rShell.GetCrsr();
SwCntntNode * pCNd = pCurCrsr->GetCntntNode();
if( !pCNd )
return;
xub_StrLen nCmp, nAktCntnt = pCurCrsr->GetPoint()->nContent.GetIndex();
USHORT nNdWhich = pCNd->GetNodeType();
ULONG nAktNode = pCurCrsr->GetPoint()->nNode.GetIndex();
// melde die Shell beim akt. Node als abhaengig an, dadurch koennen
// alle Attribut-Aenderungen ueber den Link weiter gemeldet werden.
pCNd->Add( &rShell );
if( nNdTyp != nNdWhich || nNode != nAktNode )
{
/* immer, wenn zwischen Nodes gesprungen wird, kann es
* vorkommen, das neue Attribute gelten; die Text-Attribute.
* Es muesste also festgestellt werden, welche Attribute
* jetzt gelten; das kann auch gleich der Handler machen
*/
rShell.CallChgLnk();
}
else if( bHasSelection != (*pCurCrsr->GetPoint() != *pCurCrsr->GetMark()) )
{
// always call change link when selection changes
rShell.CallChgLnk();
}
else if( rShell.aChgLnk.IsSet() && ND_TEXTNODE == nNdWhich &&
nCntnt != nAktCntnt )
{
// nur wenn mit Left/right getravellt, dann Text-Hints pruefen
// und sich nicht der Frame geaendert hat (Spalten!)
if( nLeftFrmPos == SwCallLink::GetFrm( (SwTxtNode&)*pCNd, nAktCntnt,
!rShell.ActionPend() ) &&
(( nCmp = nCntnt ) + 1 == nAktCntnt || // Right
nCntnt -1 == ( nCmp = nAktCntnt )) ) // Left
{
if( nCmp == nAktCntnt && pCurCrsr->HasMark() ) // left & Sele
++nCmp;
if ( ((SwTxtNode*)pCNd)->HasHints() )
{
const SwpHints &rHts = ((SwTxtNode*)pCNd)->GetSwpHints();
USHORT n;
xub_StrLen nStart;
const xub_StrLen *pEnd;
for( n = 0; n < rHts.Count(); n++ )
{
const SwTxtAttr* pHt = rHts[ n ];
pEnd = pHt->GetEnd();
nStart = *pHt->GetStart();
// nur Start oder Start und Ende gleich, dann immer
// beim Ueberlaufen von Start callen
if( ( !pEnd || ( nStart == *pEnd ) ) &&
( nStart == nCntnt || nStart == nAktCntnt) )
{
rShell.CallChgLnk();
return;
}
// hat das Attribut einen Bereich und dieser nicht leer
else if( pEnd && nStart < *pEnd &&
// dann teste, ob ueber Start/Ende getravellt wurde
( nStart == nCmp ||
( pHt->DontExpand() ? nCmp == *pEnd-1
: nCmp == *pEnd ) ))
{
rShell.CallChgLnk();
return;
}
nStart = 0;
}
}
if( pBreakIt->xBreak.is() )
{
const String& rTxt = ((SwTxtNode*)pCNd)->GetTxt();
if( !nCmp ||
pBreakIt->xBreak->getScriptType( rTxt, nCmp )
!= pBreakIt->xBreak->getScriptType( rTxt, nCmp - 1 ))
{
rShell.CallChgLnk();
return;
}
}
}
else
/* wenn mit Home/End/.. mehr als 1 Zeichen getravellt, dann
* immer den ChgLnk rufen, denn es kann hier nicht
* festgestellt werden, was sich geaendert; etwas kann
* veraendert sein.
*/
rShell.CallChgLnk();
}
const SwFrm* pFrm;
const SwFlyFrm *pFlyFrm;
if( !rShell.ActionPend() && 0 != ( pFrm = pCNd->GetFrm(0,0,FALSE) ) &&
0 != ( pFlyFrm = pFrm->FindFlyFrm() ) && !rShell.IsTableMode() )
{
const SwNodeIndex* pIndex = pFlyFrm->GetFmt()->GetCntnt().GetCntntIdx();
ASSERT( pIndex, "Fly ohne Cntnt" );
const SwNode& rStNd = pIndex->GetNode();
if( rStNd.EndOfSectionNode()->StartOfSectionIndex() > nNode ||
nNode > rStNd.EndOfSectionIndex() )
rShell.GetFlyMacroLnk().Call( (void*)pFlyFrm->GetFmt() );
}
}
long SwCallLink::GetFrm( SwTxtNode& rNd, xub_StrLen nCntPos, BOOL bCalcFrm )
{
SwTxtFrm* pFrm = (SwTxtFrm*)rNd.GetFrm(0,0,bCalcFrm), *pNext = pFrm;
if ( pFrm && !pFrm->IsHiddenNow() )
{
if( pFrm->HasFollow() )
while( 0 != ( pNext = (SwTxtFrm*)pFrm->GetFollow() ) &&
nCntPos >= pNext->GetOfst() )
pFrm = pNext;
return pFrm->Frm().Left();
}
return 0;
}
/*---------------------------------------------------------------------*/
//SwChgLinkFlag::SwChgLinkFlag( SwCrsrShell& rShell )
// : rCrsrShell( rShell ), bOldFlag( rShell.bCallChgLnk ), nLeftFrmPos( 0 )
//{
// rCrsrShell.bCallChgLnk = FALSE;
// if( bOldFlag && !rCrsrShell.pTblCrsr )
// {
// SwNode* pNd = rCrsrShell.pCurCrsr->GetNode();
// if( ND_TEXTNODE & pNd->GetNodeType() )
// nLeftFrmPos = SwCallLink::GetFrm( (SwTxtNode&)*pNd,
// rCrsrShell.pCurCrsr->GetPoint()->nContent.GetIndex(),
// !rCrsrShell.ActionPend() );
// }
//}
//SwChgLinkFlag::~SwChgLinkFlag()
//{
// rCrsrShell.bCallChgLnk = bOldFlag;
// if( bOldFlag && !rCrsrShell.pTblCrsr )
// {
// // die Spalten Ueberwachung brauchen wir immer!!!
// SwNode* pNd = rCrsrShell.pCurCrsr->GetNode();
// if( ND_TEXTNODE & pNd->GetNodeType() &&
// nLeftFrmPos != SwCallLink::GetFrm( (SwTxtNode&)*pNd,
// rCrsrShell.pCurCrsr->GetPoint()->nContent.GetIndex(),
// !rCrsrShell.ActionPend() ))
// {
// /* immer, wenn zwischen Frames gesprungen wird, gelten
// * neue Attribute. Es muesste also festgestellt werden, welche
// * Attribute jetzt gelten; das kann gleich der Handler machen.
// * Diesen direkt rufen !!!
// */
// rCrsrShell.aChgLnk.Call( &rCrsrShell );
// rCrsrShell.bChgCallFlag = FALSE; // Flag zuruecksetzen
// }
// }
//}
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