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Diffstat (limited to 'sw/source/core/crsr/pam.cxx')
| -rw-r--r-- | sw/source/core/crsr/pam.cxx | 1171 |
1 files changed, 1171 insertions, 0 deletions
diff --git a/sw/source/core/crsr/pam.cxx b/sw/source/core/crsr/pam.cxx new file mode 100644 index 000000000..d1fccd357 --- /dev/null +++ b/sw/source/core/crsr/pam.cxx @@ -0,0 +1,1171 @@ +/* -*- 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 <sal/config.h> + +#include <string_view> + +#include <tools/gen.hxx> +#include <editeng/protitem.hxx> +#include <cntfrm.hxx> +#include <pagefrm.hxx> +#include <doc.hxx> +#include <IDocumentLayoutAccess.hxx> +#include <docary.hxx> +#include <pam.hxx> +#include <pamtyp.hxx> +#include <txtfrm.hxx> +#include <fmtcntnt.hxx> +#include <frmatr.hxx> +#include <flyfrm.hxx> +#include <fmteiro.hxx> +#include <section.hxx> +#include <sectfrm.hxx> +#include <ndtxt.hxx> +#include <swcrsr.hxx> + +#include <IMark.hxx> +#include <DocumentSettingManager.hxx> +#include <hints.hxx> +#include <txatbase.hxx> +#include <xmloff/odffields.hxx> +#include <rtl/ustrbuf.hxx> + +#include <editsh.hxx> + +// for the dump "MSC-" compiler +static sal_Int32 GetSttOrEnd( bool bCondition, const SwContentNode& rNd ) +{ + return bCondition ? 0 : rNd.Len(); +} + +SwPosition::SwPosition( const SwNodeIndex & rNodeIndex, const SwIndex & rContent ) + : nNode( rNodeIndex ), nContent( rContent ) +{ +} + +SwPosition::SwPosition( const SwNodeIndex & rNodeIndex ) + : nNode( rNodeIndex ), nContent( nNode.GetNode().GetContentNode() ) +{ +} + +SwPosition::SwPosition( const SwNode& rNode ) + : nNode( rNode ), nContent( nNode.GetNode().GetContentNode() ) +{ +} + +SwPosition::SwPosition( SwContentNode & rNode, const sal_Int32 nOffset ) + : nNode( rNode ), nContent( &rNode, nOffset ) +{ +} + +bool SwPosition::operator<(const SwPosition &rPos) const +{ + if( nNode < rPos.nNode ) + return true; + if( nNode == rPos.nNode ) + { + // note that positions with text node but no SwIndex registered are + // created for text frames anchored at para (see SwXFrame::getAnchor()) + SwIndexReg const*const pThisReg(nContent.GetIdxReg()); + SwIndexReg const*const pOtherReg(rPos.nContent.GetIdxReg()); + if (pThisReg && pOtherReg) + { + return (nContent < rPos.nContent); + } + else // by convention position with no index is smaller + { + return pOtherReg != nullptr; + } + } + return false; +} + +bool SwPosition::operator>(const SwPosition &rPos) const +{ + if(nNode > rPos.nNode ) + return true; + if( nNode == rPos.nNode ) + { + // note that positions with text node but no SwIndex registered are + // created for text frames anchored at para (see SwXFrame::getAnchor()) + SwIndexReg const*const pThisReg(nContent.GetIdxReg()); + SwIndexReg const*const pOtherReg(rPos.nContent.GetIdxReg()); + if (pThisReg && pOtherReg) + { + return (nContent > rPos.nContent); + } + else // by convention position with no index is smaller + { + return pThisReg != nullptr; + } + } + return false; +} + +bool SwPosition::operator<=(const SwPosition &rPos) const +{ + if(nNode < rPos.nNode ) + return true; + if( nNode == rPos.nNode ) + { + // note that positions with text node but no SwIndex registered are + // created for text frames anchored at para (see SwXFrame::getAnchor()) + SwIndexReg const*const pThisReg(nContent.GetIdxReg()); + SwIndexReg const*const pOtherReg(rPos.nContent.GetIdxReg()); + if (pThisReg && pOtherReg) + { + return (nContent <= rPos.nContent); + } + else // by convention position with no index is smaller + { + return pThisReg == nullptr; + } + } + return false; +} + +bool SwPosition::operator>=(const SwPosition &rPos) const +{ + if(nNode > rPos.nNode ) + return true; + if( nNode == rPos.nNode ) + { + // note that positions with text node but no SwIndex registered are + // created for text frames anchored at para (see SwXFrame::getAnchor()) + SwIndexReg const*const pThisReg(nContent.GetIdxReg()); + SwIndexReg const*const pOtherReg(rPos.nContent.GetIdxReg()); + if (pThisReg && pOtherReg) + { + return (nContent >= rPos.nContent); + } + else // by convention position with no index is smaller + { + return pOtherReg == nullptr; + } + } + return false; +} + +bool SwPosition::operator==(const SwPosition &rPos) const +{ + return (nNode == rPos.nNode) + && (nContent == rPos.nContent); +} + +bool SwPosition::operator!=(const SwPosition &rPos) const +{ + return (nNode != rPos.nNode) + || (nContent != rPos.nContent); +} + +SwDoc * SwPosition::GetDoc() const +{ + return nNode.GetNode().GetDoc(); +} + +void SwPosition::dumpAsXml(xmlTextWriterPtr pWriter) const +{ + xmlTextWriterStartElement(pWriter, BAD_CAST("SwPosition")); + xmlTextWriterWriteAttribute(pWriter, BAD_CAST("nNode"), BAD_CAST(OString::number(nNode.GetIndex()).getStr())); + xmlTextWriterWriteAttribute(pWriter, BAD_CAST("nContent"), BAD_CAST(OString::number(nContent.GetIndex()).getStr())); + xmlTextWriterEndElement(pWriter); +} + +std::ostream &operator <<(std::ostream& s, const SwPosition& position) +{ + return s << "SwPosition (node " << position.nNode.GetIndex() << ", offset " << position.nContent.GetIndex() << ")"; +} + +namespace { + +enum CHKSECTION { Chk_Both, Chk_One, Chk_None }; + +} + +static CHKSECTION lcl_TstIdx( sal_uLong nSttIdx, sal_uLong nEndIdx, const SwNode& rEndNd ) +{ + sal_uLong nStt = rEndNd.StartOfSectionIndex(), nEnd = rEndNd.GetIndex(); + CHKSECTION eSec = nStt < nSttIdx && nEnd >= nSttIdx ? Chk_One : Chk_None; + if( nStt < nEndIdx && nEnd >= nEndIdx ) + return( eSec == Chk_One ? Chk_Both : Chk_One ); + return eSec; +} + +static bool lcl_ChkOneRange( CHKSECTION eSec, bool bChkSections, + const SwNode& rBaseEnd, sal_uLong nStt, sal_uLong nEnd ) +{ + if( eSec != Chk_Both ) + return false; + + if( !bChkSections ) + return true; + + // search the surrounding section + const SwNodes& rNds = rBaseEnd.GetNodes(); + const SwNode *pTmp, *pNd = rNds[ nStt ]; + if( !pNd->IsStartNode() ) + pNd = pNd->StartOfSectionNode(); + + if( pNd == rNds[ nEnd ]->StartOfSectionNode() ) + return true; // same StartNode, same section + + // already on a base node => error + if( !pNd->StartOfSectionIndex() ) + return false; + + for (;;) + { + pTmp = pNd->StartOfSectionNode(); + if (pTmp->EndOfSectionNode() == &rBaseEnd ) + break; + pNd = pTmp; + } + + sal_uLong nSttIdx = pNd->GetIndex(), nEndIdx = pNd->EndOfSectionIndex(); + return nSttIdx <= nStt && nStt <= nEndIdx && + nSttIdx <= nEnd && nEnd <= nEndIdx; +} + +/** Check if the given range is inside one of the defined top-level sections. + * + * The top-level sections are Content, AutoText, PostIts, Inserts, and Redlines. + * + * @param bChkSection if true, also check that the given range is inside + * a single second-level section inside any of the + * top-level sections, except for the Content section. + * + * @return <true> if valid range + */ +bool CheckNodesRange( const SwNodeIndex& rStt, + const SwNodeIndex& rEnd, bool bChkSection ) +{ + const SwNodes& rNds = rStt.GetNodes(); + sal_uLong nStt = rStt.GetIndex(), nEnd = rEnd.GetIndex(); + CHKSECTION eSec = lcl_TstIdx( nStt, nEnd, rNds.GetEndOfContent() ); + if( Chk_None != eSec ) + return eSec == Chk_Both; + + eSec = lcl_TstIdx( nStt, nEnd, rNds.GetEndOfAutotext() ); + if( Chk_None != eSec ) + return lcl_ChkOneRange( eSec, bChkSection, + rNds.GetEndOfAutotext(), nStt, nEnd ); + + eSec = lcl_TstIdx( nStt, nEnd, rNds.GetEndOfPostIts() ); + if( Chk_None != eSec ) + return lcl_ChkOneRange( eSec, bChkSection, + rNds.GetEndOfPostIts(), nStt, nEnd ); + + eSec = lcl_TstIdx( nStt, nEnd, rNds.GetEndOfInserts() ); + if( Chk_None != eSec ) + return lcl_ChkOneRange( eSec, bChkSection, + rNds.GetEndOfInserts(), nStt, nEnd ); + + eSec = lcl_TstIdx( nStt, nEnd, rNds.GetEndOfRedlines() ); + if( Chk_None != eSec ) + return lcl_ChkOneRange( eSec, bChkSection, + rNds.GetEndOfRedlines(), nStt, nEnd ); + + return false; // somewhere in between => error +} + +bool GoNext(SwNode* pNd, SwIndex * pIdx, sal_uInt16 nMode ) +{ + if( pNd->IsContentNode() ) + return static_cast<SwContentNode*>(pNd)->GoNext( pIdx, nMode ); + return false; +} + +bool GoPrevious( SwNode* pNd, SwIndex * pIdx, sal_uInt16 nMode ) +{ + if( pNd->IsContentNode() ) + return static_cast<SwContentNode*>(pNd)->GoPrevious( pIdx, nMode ); + return false; +} + +SwContentNode* GoNextNds( SwNodeIndex* pIdx, bool bChk ) +{ + SwNodeIndex aIdx( *pIdx ); + SwContentNode* pNd = aIdx.GetNodes().GoNext( &aIdx ); + if( pNd ) + { + if( bChk && 1 != aIdx.GetIndex() - pIdx->GetIndex() && + !CheckNodesRange( *pIdx, aIdx, true ) ) + pNd = nullptr; + else + *pIdx = aIdx; + } + return pNd; +} + +SwContentNode* GoPreviousNds( SwNodeIndex * pIdx, bool bChk ) +{ + SwNodeIndex aIdx( *pIdx ); + SwContentNode* pNd = SwNodes::GoPrevious( &aIdx ); + if( pNd ) + { + if( bChk && 1 != pIdx->GetIndex() - aIdx.GetIndex() && + !CheckNodesRange( *pIdx, aIdx, true ) ) + pNd = nullptr; + else + *pIdx = aIdx; + } + return pNd; +} + +SwPaM::SwPaM( const SwPosition& rPos, SwPaM* pRing ) + : Ring( pRing ) + , m_Bound1( rPos ) + , m_Bound2( rPos.nNode.GetNode().GetNodes() ) // default initialize + , m_pPoint( &m_Bound1 ) + , m_pMark( m_pPoint ) + , m_bIsInFrontOfLabel( false ) +{ +} + +SwPaM::SwPaM( const SwPosition& rMark, const SwPosition& rPoint, SwPaM* pRing ) + : Ring( pRing ) + , m_Bound1( rMark ) + , m_Bound2( rPoint ) + , m_pPoint( &m_Bound2 ) + , m_pMark( &m_Bound1 ) + , m_bIsInFrontOfLabel( false ) +{ +} + +SwPaM::SwPaM( const SwNodeIndex& rMark, const SwNodeIndex& rPoint, + long nMarkOffset, long nPointOffset, SwPaM* pRing ) + : Ring( pRing ) + , m_Bound1( rMark ) + , m_Bound2( rPoint ) + , m_pPoint( &m_Bound2 ) + , m_pMark( &m_Bound1 ) + , m_bIsInFrontOfLabel( false ) +{ + if ( nMarkOffset ) + { + m_pMark->nNode += nMarkOffset; + } + if ( nPointOffset ) + { + m_pPoint->nNode += nPointOffset; + } + m_Bound1.nContent.Assign( m_Bound1.nNode.GetNode().GetContentNode(), 0 ); + m_Bound2.nContent.Assign( m_Bound2.nNode.GetNode().GetContentNode(), 0 ); +} + +SwPaM::SwPaM( const SwNode& rMark, const SwNode& rPoint, + long nMarkOffset, long nPointOffset, SwPaM* pRing ) + : Ring( pRing ) + , m_Bound1( rMark ) + , m_Bound2( rPoint ) + , m_pPoint( &m_Bound2 ) + , m_pMark( &m_Bound1 ) + , m_bIsInFrontOfLabel( false ) +{ + if ( nMarkOffset ) + { + m_pMark->nNode += nMarkOffset; + } + if ( nPointOffset ) + { + m_pPoint->nNode += nPointOffset; + } + m_Bound1.nContent.Assign( m_Bound1.nNode.GetNode().GetContentNode(), 0 ); + m_Bound2.nContent.Assign( m_Bound2.nNode.GetNode().GetContentNode(), 0 ); +} + +SwPaM::SwPaM( const SwNodeIndex& rMark, sal_Int32 nMarkContent, + const SwNodeIndex& rPoint, sal_Int32 nPointContent, SwPaM* pRing ) + : Ring( pRing ) + , m_Bound1( rMark ) + , m_Bound2( rPoint ) + , m_pPoint( &m_Bound2 ) + , m_pMark( &m_Bound1 ) + , m_bIsInFrontOfLabel( false ) +{ + m_pPoint->nContent.Assign( rPoint.GetNode().GetContentNode(), nPointContent); + m_pMark ->nContent.Assign( rMark .GetNode().GetContentNode(), nMarkContent ); +} + +SwPaM::SwPaM( const SwNode& rMark, sal_Int32 nMarkContent, + const SwNode& rPoint, sal_Int32 nPointContent, SwPaM* pRing ) + : Ring( pRing ) + , m_Bound1( rMark ) + , m_Bound2( rPoint ) + , m_pPoint( &m_Bound2 ) + , m_pMark( &m_Bound1 ) + , m_bIsInFrontOfLabel( false ) +{ + m_pPoint->nContent.Assign( m_pPoint->nNode.GetNode().GetContentNode(), + nPointContent); + m_pMark ->nContent.Assign( m_pMark ->nNode.GetNode().GetContentNode(), + nMarkContent ); +} + +SwPaM::SwPaM( const SwNode& rNode, sal_Int32 nContent, SwPaM* pRing ) + : Ring( pRing ) + , m_Bound1( rNode ) + , m_Bound2( m_Bound1.nNode.GetNode().GetNodes() ) // default initialize + , m_pPoint( &m_Bound1 ) + , m_pMark( &m_Bound1 ) + , m_bIsInFrontOfLabel( false ) +{ + m_pPoint->nContent.Assign( m_pPoint->nNode.GetNode().GetContentNode(), + nContent ); +} + +SwPaM::SwPaM( const SwNodeIndex& rNodeIdx, sal_Int32 nContent, SwPaM* pRing ) + : Ring( pRing ) + , m_Bound1( rNodeIdx ) + , m_Bound2( rNodeIdx.GetNode().GetNodes() ) // default initialize + , m_pPoint( &m_Bound1 ) + , m_pMark( &m_Bound1 ) + , m_bIsInFrontOfLabel( false ) +{ + m_pPoint->nContent.Assign( rNodeIdx.GetNode().GetContentNode(), nContent ); +} + +SwPaM::~SwPaM() {} + +SwPaM::SwPaM(SwPaM const& rPam, SwPaM *const pRing) + : Ring(pRing) + , m_Bound1( *(rPam.m_pPoint) ) + , m_Bound2( *(rPam.m_pMark) ) + , m_pPoint( &m_Bound1 ), m_pMark( rPam.HasMark() ? &m_Bound2 : m_pPoint ) + , m_bIsInFrontOfLabel( false ) +{ +} + +// @@@ semantic: no copy assignment for super class Ring. +SwPaM &SwPaM::operator=( const SwPaM &rPam ) +{ + if(this == &rPam) + return *this; + + *m_pPoint = *( rPam.m_pPoint ); + if ( rPam.HasMark() ) + { + SetMark(); + *m_pMark = *( rPam.m_pMark ); + } + else + { + DeleteMark(); + } + return *this; +} + +void SwPaM::SetMark() +{ + if (m_pPoint == &m_Bound1) + { + m_pMark = &m_Bound2; + } + else + { + m_pMark = &m_Bound1; + } + (*m_pMark) = *m_pPoint; +} + +#ifdef DBG_UTIL +void SwPaM::Exchange() +{ + if (m_pPoint != m_pMark) + { + SwPosition *pTmp = m_pPoint; + m_pPoint = m_pMark; + m_pMark = pTmp; + } +} +#endif + +/// movement of cursor +bool SwPaM::Move( SwMoveFnCollection const & fnMove, SwGoInDoc fnGo ) +{ + const bool bRet = (*fnGo)( *this, fnMove ); + + m_bIsInFrontOfLabel = false; + return bRet; +} + +namespace sw { + +/** make a new region + + Sets the first SwPaM onto the given SwPaM, or to the beginning or end of a + document. SPoint stays at its position, GetMark will be changed respectively. + + @param fnMove Contains information if beginning or end of document. + @param pOrigRg The given region. + + @return Newly created range, in Ring with parameter pOrigRg. +*/ +std::unique_ptr<SwPaM> MakeRegion(SwMoveFnCollection const & fnMove, + const SwPaM & rOrigRg) +{ + std::unique_ptr<SwPaM> pPam; + { + pPam.reset(new SwPaM(rOrigRg, const_cast<SwPaM*>(&rOrigRg))); // given search range + // make sure that SPoint is on the "real" start position + // FORWARD: SPoint always smaller than GetMark + // BACKWARD: SPoint always bigger than GetMark + if( (pPam->GetMark()->*fnMove.fnCmpOp)( *pPam->GetPoint() ) ) + pPam->Exchange(); + } + return pPam; +} + +} // namespace sw + +void SwPaM::Normalize(bool bPointFirst) +{ + if (HasMark()) + if ( ( bPointFirst && *m_pPoint > *m_pMark) || + (!bPointFirst && *m_pPoint < *m_pMark) ) + { + Exchange(); + } +} + +/// return page number at cursor (for reader and page bound frames) +sal_uInt16 SwPaM::GetPageNum( bool bAtPoint, const Point* pLayPos ) +{ + const SwContentFrame* pCFrame; + const SwPageFrame *pPg; + const SwContentNode *pNd ; + const SwPosition* pPos = bAtPoint ? m_pPoint : m_pMark; + + std::pair<Point, bool> tmp; + if (pLayPos) + { + tmp.first = *pLayPos; + tmp.second = false; + } + if( nullptr != ( pNd = pPos->nNode.GetNode().GetContentNode() ) && + nullptr != (pCFrame = pNd->getLayoutFrame(pNd->GetDoc()->getIDocumentLayoutAccess().GetCurrentLayout(), pPos, pLayPos ? &tmp : nullptr)) && + nullptr != ( pPg = pCFrame->FindPageFrame() )) + return pPg->GetPhyPageNum(); + return 0; +} + +// form view - see also SwCursorShell::IsCursorReadonly() +static const SwFrame* lcl_FindEditInReadonlyFrame( const SwFrame& rFrame ) +{ + const SwFrame* pRet = nullptr; + + const SwFlyFrame* pFly; + const SwSectionFrame* pSectionFrame; + + if( rFrame.IsInFly() && + (pFly = rFrame.FindFlyFrame())->GetFormat()->GetEditInReadonly().GetValue() && + pFly->Lower() && + !pFly->Lower()->IsNoTextFrame() ) + { + pRet = pFly; + } + else if ( rFrame.IsInSct() && + nullptr != ( pSectionFrame = rFrame.FindSctFrame() )->GetSection() && + pSectionFrame->GetSection()->IsEditInReadonlyFlag() ) + { + pRet = pSectionFrame; + } + + return pRet; +} + +/// is in protected section or selection surrounds something protected +bool SwPaM::HasReadonlySel( bool bFormView ) const +{ + bool bRet = false; + + const SwContentNode* pNd = GetPoint()->nNode.GetNode().GetContentNode(); + const SwContentFrame *pFrame = nullptr; + if ( pNd != nullptr ) + { + Point aTmpPt; + std::pair<Point, bool> const tmp(aTmpPt, false); + pFrame = pNd->getLayoutFrame( + pNd->GetDoc()->getIDocumentLayoutAccess().GetCurrentLayout(), + GetPoint(), &tmp); + } + + // Will be set if point are inside edit-in-readonly environment + const SwFrame* pPointEditInReadonlyFrame = nullptr; + if ( pFrame != nullptr + && ( pFrame->IsProtected() + || ( bFormView + && nullptr == ( pPointEditInReadonlyFrame = lcl_FindEditInReadonlyFrame( *pFrame ) ) ) ) ) + { + bRet = true; + } + else if( pNd != nullptr ) + { + const SwSectionNode* pSNd = pNd->GetSectionNode(); + if ( pSNd != nullptr + && ( pSNd->GetSection().IsProtectFlag() + || ( bFormView + && !pSNd->GetSection().IsEditInReadonlyFlag()) ) ) + { + bRet = true; + } + else + { + const SwSectionNode* pParentSectionNd = pNd->FindSectionNode(); + if ( pParentSectionNd != nullptr + && ( pParentSectionNd->GetSection().IsProtectFlag() + || ( bFormView && !pParentSectionNd->GetSection().IsEditInReadonlyFlag()) ) ) + { + bRet = true; + } + } + } + + if ( !bRet + && HasMark() + && GetPoint()->nNode != GetMark()->nNode ) + { + pNd = GetMark()->nNode.GetNode().GetContentNode(); + pFrame = nullptr; + if ( pNd != nullptr ) + { + Point aTmpPt; + std::pair<Point, bool> const tmp(aTmpPt, false); + pFrame = pNd->getLayoutFrame( + pNd->GetDoc()->getIDocumentLayoutAccess().GetCurrentLayout(), + GetMark(), &tmp); + } + + const SwFrame* pMarkEditInReadonlyFrame = nullptr; + if ( pFrame != nullptr + && ( pFrame->IsProtected() + || ( bFormView + && nullptr == ( pMarkEditInReadonlyFrame = lcl_FindEditInReadonlyFrame( *pFrame ) ) ) ) ) + { + bRet = true; + } + else if( pNd != nullptr ) + { + const SwSectionNode* pSNd = pNd->GetSectionNode(); + if ( pSNd != nullptr + && ( pSNd->GetSection().IsProtectFlag() + || ( bFormView + && !pSNd->GetSection().IsEditInReadonlyFlag()) ) ) + { + bRet = true; + } + } + + if ( !bRet && bFormView ) + { + // Check if start and end frame are inside the _same_ + // edit-in-readonly-environment. Otherwise we better return 'true' + if ( pPointEditInReadonlyFrame != pMarkEditInReadonlyFrame ) + bRet = true; + } + + // check for protected section inside the selection + if( !bRet ) + { + sal_uLong nSttIdx = GetMark()->nNode.GetIndex(), + nEndIdx = GetPoint()->nNode.GetIndex(); + if( nEndIdx <= nSttIdx ) + { + sal_uLong nTmp = nSttIdx; + nSttIdx = nEndIdx; + nEndIdx = nTmp; + } + + // If a protected section should be between nodes, then the + // selection needs to contain already x nodes. + // (TextNd, SectNd, TextNd, EndNd, TextNd ) + if( nSttIdx + 3 < nEndIdx ) + { + const SwSectionFormats& rFormats = GetDoc()->GetSections(); + for( SwSectionFormats::size_type n = rFormats.size(); n; ) + { + const SwSectionFormat* pFormat = rFormats[ --n ]; + if( pFormat->GetProtect().IsContentProtected() ) + { + const SwFormatContent& rContent = pFormat->GetContent(false); + OSL_ENSURE( rContent.GetContentIdx(), "where is the SectionNode?" ); + sal_uLong nIdx = rContent.GetContentIdx()->GetIndex(); + if( nSttIdx <= nIdx && nEndIdx >= nIdx && + rContent.GetContentIdx()->GetNode().GetNodes().IsDocNodes() ) + { + bRet = true; + break; + } + } + } + } + } + } + + const SwDoc *pDoc = GetDoc(); + // Legacy text/combo/checkbox: never return read-only when inside these form fields. + const IDocumentMarkAccess* pMarksAccess = pDoc->getIDocumentMarkAccess(); + sw::mark::IFieldmark* pA = GetPoint() ? pMarksAccess->getFieldmarkFor( *GetPoint( ) ) : nullptr; + sw::mark::IFieldmark* pB = GetMark() ? pMarksAccess->getFieldmarkFor( *GetMark( ) ) : pA; + // prevent the user from accidentally deleting the field itself when modifying the text. + const bool bAtStartA = (pA != nullptr) && (pA->GetMarkStart() == *GetPoint()); + const bool bAtStartB = (pB != nullptr) && (pB->GetMarkStart() == *GetMark()); + + if (!bRet) + { + bool bUnhandledMark = pA && pA->GetFieldname( ) == ODF_UNHANDLED; + // Unhandled fieldmarks case shouldn't be edited manually to avoid breaking anything + if ( ( pA == pB ) && bUnhandledMark ) + bRet = true; + else + { + if ((pA == pB) && (bAtStartA != bAtStartB)) + bRet = true; + else if (pA != pB) + { + // If both points are either outside or at marks edges (i.e. selection either + // touches fields, or fully encloses it), then don't disable editing + bRet = !( ( !pA || bAtStartA ) && ( !pB || bAtStartB ) ); + } + if( !bRet && pDoc->GetDocumentSettingManager().get( DocumentSettingId::PROTECT_FORM ) && (pA || pB) ) + { + // Form protection case + bRet = ( pA == nullptr ) || ( pB == nullptr ) || bAtStartA || bAtStartB; + } + } + } + else + { + // Allow editing when the cursor/selection is fully inside of a legacy form field. + bRet = !( pA != nullptr && !bAtStartA && !bAtStartB && pA == pB ); + } + + if (!bRet) + { + // Paragraph Signatures and Classification fields are read-only. + if (pDoc && pDoc->GetEditShell()) + bRet = pDoc->GetEditShell()->IsCursorInParagraphMetadataField(); + } + + if (!bRet && + pDoc->getIDocumentSettingAccess().get(DocumentSettingId::PROTECT_BOOKMARKS)) + { + if (pDoc->getIDocumentMarkAccess()->isBookmarkDeleted(*this)) + { + return true; + } + } + if (!bRet && + pDoc->getIDocumentSettingAccess().get(DocumentSettingId::PROTECT_FIELDS)) + { + SwPosition const& rStart(*Start()); + SwPosition const& rEnd(*End()); + for (SwNodeIndex n = rStart.nNode; n <= rEnd.nNode; ++n) + { + if (SwTextNode const*const pNode = n.GetNode().GetTextNode()) + { + if (SwpHints const*const pHints = pNode->GetpSwpHints()) + { + for (size_t i = 0; i < pHints->Count(); ++i) + { + SwTextAttr const*const pHint(pHints->Get(i)); + if (n == rStart.nNode && pHint->GetStart() < rStart.nContent.GetIndex()) + { + continue; // before selection + } + if (n == rEnd.nNode && rEnd.nContent.GetIndex() <= pHint->GetStart()) + { + break; // after selection + } + if (pHint->Which() == RES_TXTATR_FIELD + // placeholders don't work if you can't delete them + && pHint->GetFormatField().GetField()->GetTyp()->Which() != SwFieldIds::JumpEdit) + { + return true; + } + } + } + } + } + } + + return bRet; +} + +/// This function returns the next node in direction of search. If there is no +/// left or the next is out of the area, then a null-pointer is returned. +/// @param rbFirst If <true> then first time request. If so than the position of +/// the PaM must not be changed! +SwContentNode* GetNode( SwPaM & rPam, bool& rbFirst, SwMoveFnCollection const & fnMove, + bool const bInReadOnly, SwRootFrame const*const i_pLayout) +{ + SwRootFrame const*const pLayout(i_pLayout ? i_pLayout : + rPam.GetDoc()->getIDocumentLayoutAccess().GetCurrentLayout()); + SwContentNode * pNd = nullptr; + if( ((*rPam.GetPoint()).*fnMove.fnCmpOp)( *rPam.GetMark() ) || + ( *rPam.GetPoint() == *rPam.GetMark() && rbFirst ) ) + { + if( rbFirst ) + { + rbFirst = false; + pNd = rPam.GetContentNode(); + if( pNd ) + { + SwContentFrame const*const pFrame(pNd->getLayoutFrame(pLayout)); + if( + ( + nullptr == pFrame || + ( !bInReadOnly && pFrame->IsProtected() ) || + (pFrame->IsTextFrame() && static_cast<SwTextFrame const*>(pFrame)->IsHiddenNow()) + ) || + ( !bInReadOnly && pNd->FindSectionNode() && + pNd->FindSectionNode()->GetSection().IsProtect() + ) + ) + { + pNd = nullptr; + } + } + } + + if( !pNd ) // is the cursor not on a ContentNode? + { + SwPosition aPos( *rPam.GetPoint() ); + bool bSrchForward = &fnMove == &fnMoveForward; + SwNodes& rNodes = aPos.nNode.GetNodes(); + + // go to next/previous ContentNode + while( true ) + { + if (i_pLayout && aPos.nNode.GetNode().IsTextNode()) + { + auto const fal(sw::GetFirstAndLastNode(*pLayout, aPos.nNode)); + aPos.nNode = bSrchForward ? *fal.second : *fal.first; + } + + pNd = bSrchForward + ? rNodes.GoNextSection( &aPos.nNode, true, !bInReadOnly ) + : SwNodes::GoPrevSection( &aPos.nNode, true, !bInReadOnly ); + if( pNd ) + { + aPos.nContent.Assign( pNd, ::GetSttOrEnd( bSrchForward,*pNd )); + // is the position still in the area + if( (aPos.*fnMove.fnCmpOp)( *rPam.GetMark() ) ) + { + // only in AutoTextSection can be nodes that are hidden + SwContentFrame const*const pFrame(pNd->getLayoutFrame(pLayout)); + if (nullptr == pFrame || + ( !bInReadOnly && pFrame->IsProtected() ) || + ( pFrame->IsTextFrame() && + static_cast<SwTextFrame const*>(pFrame)->IsHiddenNow())) + { + pNd = nullptr; + continue; + } + *rPam.GetPoint() = aPos; + } + else + pNd = nullptr; // no valid node + break; + } + break; + } + } + } + return pNd; +} + +void GoStartDoc( SwPosition * pPos ) +{ + SwNodes& rNodes = pPos->nNode.GetNodes(); + pPos->nNode = *rNodes.GetEndOfContent().StartOfSectionNode(); + // we always need to find a ContentNode! + SwContentNode* pCNd = rNodes.GoNext( &pPos->nNode ); + if( pCNd ) + pCNd->MakeStartIndex( &pPos->nContent ); +} + +void GoEndDoc( SwPosition * pPos ) +{ + SwNodes& rNodes = pPos->nNode.GetNodes(); + pPos->nNode = rNodes.GetEndOfContent(); + SwContentNode* pCNd = GoPreviousNds( &pPos->nNode, true ); + if( pCNd ) + pCNd->MakeEndIndex( &pPos->nContent ); +} + +void GoStartSection( SwPosition * pPos ) +{ + // jump to section's beginning + SwNodes& rNodes = pPos->nNode.GetNodes(); + sal_uInt16 nLevel = SwNodes::GetSectionLevel( pPos->nNode ); + if( pPos->nNode < rNodes.GetEndOfContent().StartOfSectionIndex() ) + nLevel--; + do { SwNodes::GoStartOfSection( &pPos->nNode ); } while( nLevel-- ); + + // already on a ContentNode + pPos->nNode.GetNode().GetContentNode()->MakeStartIndex( &pPos->nContent ); +} + +/// go to the end of the current base section +void GoEndSection( SwPosition * pPos ) +{ + // jump to section's beginning/end + SwNodes& rNodes = pPos->nNode.GetNodes(); + sal_uInt16 nLevel = SwNodes::GetSectionLevel( pPos->nNode ); + if( pPos->nNode < rNodes.GetEndOfContent().StartOfSectionIndex() ) + nLevel--; + do { SwNodes::GoEndOfSection( &pPos->nNode ); } while( nLevel-- ); + + // now on an EndNode, thus to the previous ContentNode + if( GoPreviousNds( &pPos->nNode, true ) ) + pPos->nNode.GetNode().GetContentNode()->MakeEndIndex( &pPos->nContent ); +} + +bool GoInDoc( SwPaM & rPam, SwMoveFnCollection const & fnMove ) +{ + (*fnMove.fnDoc)( rPam.GetPoint() ); + return true; +} + +bool GoInSection( SwPaM & rPam, SwMoveFnCollection const & fnMove ) +{ + (*fnMove.fnSections)( rPam.GetPoint() ); + return true; +} + +bool GoInNode( SwPaM & rPam, SwMoveFnCollection const & fnMove ) +{ + SwContentNode *pNd = (*fnMove.fnNds)( &rPam.GetPoint()->nNode, true ); + if( pNd ) + rPam.GetPoint()->nContent.Assign( pNd, + ::GetSttOrEnd( &fnMove == &fnMoveForward, *pNd ) ); + return pNd; +} + +bool GoInContent( SwPaM & rPam, SwMoveFnCollection const & fnMove ) +{ + if( (*fnMove.fnNd)( &rPam.GetPoint()->nNode.GetNode(), + &rPam.GetPoint()->nContent, CRSR_SKIP_CHARS )) + return true; + return GoInNode( rPam, fnMove ); +} + +bool GoInContentCells( SwPaM & rPam, SwMoveFnCollection const & fnMove ) +{ + if( (*fnMove.fnNd)( &rPam.GetPoint()->nNode.GetNode(), + &rPam.GetPoint()->nContent, CRSR_SKIP_CELLS )) + return true; + return GoInNode( rPam, fnMove ); +} + +bool GoInContentSkipHidden( SwPaM & rPam, SwMoveFnCollection const & fnMove ) +{ + if( (*fnMove.fnNd)( &rPam.GetPoint()->nNode.GetNode(), + &rPam.GetPoint()->nContent, CRSR_SKIP_CHARS | CRSR_SKIP_HIDDEN ) ) + return true; + return GoInNode( rPam, fnMove ); +} + +bool GoInContentCellsSkipHidden( SwPaM & rPam, SwMoveFnCollection const & fnMove ) +{ + if( (*fnMove.fnNd)( &rPam.GetPoint()->nNode.GetNode(), + &rPam.GetPoint()->nContent, CRSR_SKIP_CELLS | CRSR_SKIP_HIDDEN ) ) + return true; + return GoInNode( rPam, fnMove ); +} + +bool GoPrevPara( SwPaM & rPam, SwMoveFnCollection const & aPosPara ) +{ + if( rPam.Move( fnMoveBackward, GoInNode ) ) + { + // always on a ContentNode + SwPosition& rPos = *rPam.GetPoint(); + SwContentNode * pNd = rPos.nNode.GetNode().GetContentNode(); + rPos.nContent.Assign( pNd, + ::GetSttOrEnd( &aPosPara == &fnMoveForward, *pNd ) ); + return true; + } + return false; +} + +bool GoCurrPara( SwPaM & rPam, SwMoveFnCollection const & aPosPara ) +{ + SwPosition& rPos = *rPam.GetPoint(); + SwContentNode * pNd = rPos.nNode.GetNode().GetContentNode(); + if( pNd ) + { + const sal_Int32 nOld = rPos.nContent.GetIndex(); + const sal_Int32 nNew = &aPosPara == &fnMoveForward ? 0 : pNd->Len(); + // if already at beginning/end then to the next/previous + if( nOld != nNew ) + { + rPos.nContent.Assign( pNd, nNew ); + return true; + } + } + // move node to next/previous ContentNode + if( ( &aPosPara==&fnParaStart && nullptr != ( pNd = + GoPreviousNds( &rPos.nNode, true ))) || + ( &aPosPara==&fnParaEnd && nullptr != ( pNd = + GoNextNds( &rPos.nNode, true ))) ) + { + rPos.nContent.Assign( pNd, + ::GetSttOrEnd( &aPosPara == &fnMoveForward, *pNd )); + return true; + } + return false; +} + +bool GoNextPara( SwPaM & rPam, SwMoveFnCollection const & aPosPara ) +{ + if( rPam.Move( fnMoveForward, GoInNode ) ) + { + // always on a ContentNode + SwPosition& rPos = *rPam.GetPoint(); + SwContentNode * pNd = rPos.nNode.GetNode().GetContentNode(); + rPos.nContent.Assign( pNd, + ::GetSttOrEnd( &aPosPara == &fnMoveForward, *pNd ) ); + return true; + } + return false; +} + +bool GoCurrSection( SwPaM & rPam, SwMoveFnCollection const & fnMove ) +{ + SwPosition& rPos = *rPam.GetPoint(); + SwPosition aSavePos( rPos ); // position for comparison + (fnMove.fnSection)( &rPos.nNode ); + SwContentNode *pNd; + if( nullptr == ( pNd = rPos.nNode.GetNode().GetContentNode()) && + nullptr == ( pNd = (*fnMove.fnNds)( &rPos.nNode, true )) ) + { + rPos = aSavePos; // do not change cursor + return false; + } + + rPos.nContent.Assign( pNd, + ::GetSttOrEnd( &fnMove == &fnMoveForward, *pNd ) ); + return aSavePos != rPos; +} + +OUString SwPaM::GetText() const +{ + OUStringBuffer aResult; + + SwNodeIndex aNodeIndex = Start()->nNode; + + // The first node can be already the end node. + // Use a "forever" loop with an exit condition in the middle + // of its body, in order to correctly handle all cases. + bool bIsStartNode = true; + for (;;) + { + const bool bIsEndNode = aNodeIndex == End()->nNode; + SwTextNode * pTextNode = aNodeIndex.GetNode().GetTextNode(); + + if (pTextNode != nullptr) + { + if (!bIsStartNode) + { + aResult.append(CH_TXTATR_NEWLINE); // use newline for para break + } + const OUString& aTmpStr = pTextNode->GetText(); + + if (bIsStartNode || bIsEndNode) + { + // Handle corner cases of start/end node(s) + const sal_Int32 nStart = bIsStartNode + ? Start()->nContent.GetIndex() + : 0; + const sal_Int32 nEnd = bIsEndNode + ? End()->nContent.GetIndex() + : aTmpStr.getLength(); + + aResult.append(std::u16string_view(aTmpStr).substr(nStart, nEnd-nStart)); + } + else + { + aResult.append(aTmpStr); + } + } + + if (bIsEndNode) + { + break; + } + + ++aNodeIndex; + bIsStartNode = false; + } + + return aResult.makeStringAndClear(); +} + +void SwPaM::InvalidatePaM() +{ + for (SwNodeIndex index = Start()->nNode; index <= End()->nNode; ++index) + { + if (SwTextNode *const pTextNode = index.GetNode().GetTextNode()) + { + // pretend that the PaM marks changed formatting to reformat... + sal_Int32 const nStart( + index == Start()->nNode ? Start()->nContent.GetIndex() : 0); + // this should work even for length of 0 + SwUpdateAttr const aHint( + nStart, + index == End()->nNode + ? End()->nContent.GetIndex() - nStart + : pTextNode->Len() - nStart, + 0); + pTextNode->CallSwClientNotify(sw::LegacyModifyHint(&aHint, &aHint)); + } + // other node types not invalidated + } +} + +void SwPaM::dumpAsXml(xmlTextWriterPtr pWriter) const +{ + xmlTextWriterStartElement(pWriter, BAD_CAST("SwPaM")); + + xmlTextWriterStartElement(pWriter, BAD_CAST("point")); + GetPoint()->dumpAsXml(pWriter); + xmlTextWriterEndElement(pWriter); + + if (HasMark()) + { + xmlTextWriterStartElement(pWriter, BAD_CAST("mark")); + GetMark()->dumpAsXml(pWriter); + xmlTextWriterEndElement(pWriter); + } + + xmlTextWriterEndElement(pWriter); +} + +std::ostream &operator <<(std::ostream& s, const SwPaM& pam) +{ + if( pam.HasMark()) + return s << "SwPaM (point " << *pam.GetPoint() << ", mark " << *pam.GetMark() << ")"; + else + return s << "SwPaM (point " << *pam.GetPoint() << ")"; +} + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |