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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#include <hintids.hxx>
#include <com/sun/star/i18n/ScriptType.hpp>
#include <fmtcntnt.hxx>
#include <txatbase.hxx>
#include <frmatr.hxx>
#include <viscrs.hxx>
#include <callnk.hxx>
#include <crsrsh.hxx>
#include <doc.hxx>
#include <frmfmt.hxx>
#include <txtfrm.hxx>
#include <tabfrm.hxx>
#include <rowfrm.hxx>
#include <fmtfsize.hxx>
#include <ndtxt.hxx>
#include <flyfrm.hxx>
#include <breakit.hxx>
#include <vcl/window.hxx>
SwCallLink::SwCallLink( SwCrsrShell & rSh, sal_uLong nAktNode, sal_Int32 nAktCntnt,
sal_uInt8 nAktNdTyp, long nLRPos, bool bAktSelection )
: rShell( rSh ), nNode( nAktNode ), nCntnt( nAktCntnt ),
nNdTyp( nAktNdTyp ), nLeftFrmPos( nLRPos ),
bHasSelection( bAktSelection )
{
}
SwCallLink::SwCallLink( SwCrsrShell & rSh )
: rShell( rSh )
{
// remember SPoint-values of current cursor
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( rNd.IsTxtNode() )
nLeftFrmPos = SwCallLink::getLayoutFrm( rShell.GetLayout(), (SwTxtNode&)rNd, nCntnt,
!rShell.ActionPend() );
else
{
nLeftFrmPos = 0;
// A special treatment for SwFeShell:
// When deleting the header/footer, footnotes SwFeShell sets the
// Cursor to NULL (Node + Content).
// If the Cursor is not on a CntntNode (ContentNode) this fact gets
// saved in NdType.
if( ND_CONTENTNODE & nNdTyp )
nNdTyp = 0;
}
}
static void lcl_notifyRow(const SwCntntNode* pNode, SwCrsrShell& rShell)
{
if ( !pNode )
return;
SwFrm *const pMyFrm = pNode->getLayoutFrm( rShell.GetLayout() );
if ( !pMyFrm )
return;
// We need to emulated a change of the row height in order
// to have the complete row redrawn
SwRowFrm *const pRow = pMyFrm->FindRowFrm();
if ( !pRow )
return;
const SwTableLine* pLine = pRow->GetTabLine( );
// Avoid redrawing the complete row if there are no nested tables
for (SwFrm *pCell = pRow->GetLower(); pCell; pCell = pCell->GetNext())
{
for (SwFrm *pContent = pCell->GetLower(); pContent; pContent = pContent->GetNext())
{
if (pContent->GetType() == FRM_TAB)
{
SwFmtFrmSize pSize = pLine->GetFrmFmt()->GetFrmSize();
pRow->ModifyNotification(NULL, &pSize);
return;
}
}
}
}
SwCallLink::~SwCallLink()
{
if( !nNdTyp || !rShell.m_bCallChgLnk ) // see ctor
return ;
// If travelling over Nodes check formats and register them anew at the
// new Node.
SwPaM* pCurCrsr = rShell.IsTableMode() ? rShell.GetTblCrs() : rShell.GetCrsr();
SwCntntNode * pCNd = pCurCrsr->GetCntntNode();
if( !pCNd )
return;
lcl_notifyRow(pCNd, rShell);
const SwDoc *pDoc=rShell.GetDoc();
const SwCntntNode *pNode = NULL;
if ( ( pDoc != NULL && nNode < pDoc->GetNodes( ).Count( ) ) )
{
pNode = pDoc->GetNodes()[nNode]->GetCntntNode();
}
lcl_notifyRow(pNode, rShell);
sal_Int32 nCmp, nAktCntnt = pCurCrsr->GetPoint()->nContent.GetIndex();
sal_uInt16 nNdWhich = pCNd->GetNodeType();
sal_uLong nAktNode = pCurCrsr->GetPoint()->nNode.GetIndex();
// Register the Shell as dependent at the current Node. By doing this all
// attribute changes can be signaled over the link.
pCNd->Add( &rShell );
if( nNdTyp != nNdWhich || nNode != nAktNode )
{
// Every time a switch between nodes occurs, there is a chance that
// new attributes do apply - meaning text-attributes.
// So the currently applying attributes would have to be determined.
// That can be done in one go by the handler.
rShell.CallChgLnk();
}
else if( !bHasSelection != !(*pCurCrsr->GetPoint() != *pCurCrsr->GetMark()) )
{
// always call change link when selection changes
rShell.CallChgLnk();
}
else if( rShell.m_aChgLnk.IsSet() && ND_TEXTNODE == nNdWhich &&
nCntnt != nAktCntnt )
{
// If travelling with left/right only and the frame is
// unchanged (columns!) then check text hints.
if( nLeftFrmPos == SwCallLink::getLayoutFrm( rShell.GetLayout(), (SwTxtNode&)*pCNd, nAktCntnt,
!rShell.ActionPend() ) &&
(( nCmp = nCntnt ) + 1 == nAktCntnt || // Right
nCntnt -1 == ( nCmp = nAktCntnt )) ) // Left
{
if( nCmp == nAktCntnt && pCurCrsr->HasMark() ) // left & select
++nCmp;
if ( ((SwTxtNode*)pCNd)->HasHints() )
{
const SwpHints &rHts = ((SwTxtNode*)pCNd)->GetSwpHints();
for( sal_uInt16 n = 0; n < rHts.Count(); n++ )
{
const SwTxtAttr* pHt = rHts[ n ];
const sal_Int32 *pEnd = pHt->End();
const sal_Int32 nStart = *pHt->GetStart();
// If "only start" or "start and end equal" then call on
// every overflow of start.
if( ( !pEnd || ( nStart == *pEnd ) ) &&
( nStart == nCntnt || nStart == nAktCntnt) )
{
rShell.CallChgLnk();
return;
}
// If the attribute has an area and that area is not empty ...
else if( pEnd && nStart < *pEnd &&
// ... then test if travelling occurred via start/end.
( nStart == nCmp ||
( pHt->DontExpand() ? nCmp == *pEnd-1
: nCmp == *pEnd ) ))
{
rShell.CallChgLnk();
return;
}
}
}
if( g_pBreakIt->GetBreakIter().is() )
{
const OUString rTxt = ((SwTxtNode*)pCNd)->GetTxt();
if( !nCmp ||
g_pBreakIt->GetBreakIter()->getScriptType( rTxt, nCmp )
!= g_pBreakIt->GetBreakIter()->getScriptType( rTxt, nCmp - 1 ))
{
rShell.CallChgLnk();
return;
}
}
}
else
// If travelling more than one character with home/end/.. then
// always call ChgLnk, because it can not be determined here what
// has changed. Something may have changed.
rShell.CallChgLnk();
}
const SwFrm* pFrm;
const SwFlyFrm *pFlyFrm;
if( !rShell.ActionPend() && 0 != ( pFrm = pCNd->getLayoutFrm(rShell.GetLayout(), 0, 0, false) ) &&
0 != ( pFlyFrm = pFrm->FindFlyFrm() ) && !rShell.IsTableMode() )
{
const SwNodeIndex* pIndex = pFlyFrm->GetFmt()->GetCntnt().GetCntntIdx();
OSL_ENSURE( pIndex, "Fly without Cntnt" );
if (!pIndex)
return;
const SwNode& rStNd = pIndex->GetNode();
if( rStNd.EndOfSectionNode()->StartOfSectionIndex() > nNode ||
nNode > rStNd.EndOfSectionIndex() )
rShell.GetFlyMacroLnk().Call( (void*)pFlyFrm->GetFmt() );
}
}
long SwCallLink::getLayoutFrm( const SwRootFrm* pRoot, SwTxtNode& rNd, sal_Int32 nCntPos, bool bCalcFrm )
{
SwTxtFrm* pFrm = (SwTxtFrm*)rNd.getLayoutFrm(pRoot,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;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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