/* -*- 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include 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(), *rNd.GetTxtNode(), 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(), *pCNd->GetTxtNode(), nAktCntnt, !rShell.ActionPend() ) && (( nCmp = nCntnt ) + 1 == nAktCntnt || // Right nCntnt -1 == ( nCmp = nAktCntnt )) ) // Left { if( nCmp == nAktCntnt && pCurCrsr->HasMark() ) // left & select ++nCmp; if ( pCNd->GetTxtNode()->HasHints() ) { const SwpHints &rHts = pCNd->GetTxtNode()->GetSwpHints(); for( size_t 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 = pCNd->GetTxtNode()->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 = static_cast(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: */