/* -*- 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 . */ #ifndef INCLUDED_SW_INC_PAM_HXX #define INCLUDED_SW_INC_PAM_HXX #include #include #include #include "cshtyp.hxx" #include "ring.hxx" #include "index.hxx" #include "ndindex.hxx" #include "swdllapi.h" #include class SwFormat; class SfxPoolItem; class SfxItemSet; class SwDoc; class SwNode; class SwContentNode; class SwPaM; class Point; namespace i18nutil { struct SearchOptions2; } namespace utl { class TextSearch; } /// Marks a position in the document model. struct SAL_WARN_UNUSED SW_DLLPUBLIC SwPosition { SwNodeIndex nNode; SwIndex nContent; SwPosition( const SwNodeIndex &rNode, const SwIndex &rContent ); explicit SwPosition( const SwNodeIndex &rNode ); explicit SwPosition( const SwNode& rNode ); explicit SwPosition( SwContentNode& rNode, const sal_Int32 nOffset = 0 ); /** Returns the document this position is in. @return the document this position is in. */ SwDoc * GetDoc() const; bool operator < (const SwPosition &) const; bool operator > (const SwPosition &) const; bool operator <=(const SwPosition &) const; bool operator >=(const SwPosition &) const; bool operator ==(const SwPosition &) const; bool operator !=(const SwPosition &) const; void dumpAsXml(struct _xmlTextWriter* pWriter) const; }; SW_DLLPUBLIC std::ostream &operator <<(std::ostream& s, const SwPosition& position); // Result of comparing positions. enum class SwComparePosition { Before, ///< Pos1 before Pos2. Behind, ///< Pos1 behind Pos2. Inside, ///< Pos1 completely contained in Pos2. Outside, ///< Pos2 completely contained in Pos1. Equal, ///< Pos1 is as large as Pos2. OverlapBefore, ///< Pos1 overlaps Pos2 at the beginning. OverlapBehind, ///< Pos1 overlaps Pos2 at the end. CollideStart, ///< Pos1 start touches at Pos2 end. CollideEnd ///< Pos1 end touches at Pos2 start. }; template SwComparePosition ComparePosition( const T& rStt1, const T& rEnd1, const T& rStt2, const T& rEnd2 ) { SwComparePosition nRet; if( rStt1 < rStt2 ) { if( rEnd1 > rStt2 ) { if( rEnd1 >= rEnd2 ) nRet = SwComparePosition::Outside; else nRet = SwComparePosition::OverlapBefore; } else if( rEnd1 == rStt2 ) nRet = SwComparePosition::CollideEnd; else nRet = SwComparePosition::Before; } else if( rEnd2 > rStt1 ) { if( rEnd2 >= rEnd1 ) { if( rEnd2 == rEnd1 && rStt2 == rStt1 ) nRet = SwComparePosition::Equal; else nRet = SwComparePosition::Inside; } else { if (rStt1 == rStt2) nRet = SwComparePosition::Outside; else nRet = SwComparePosition::OverlapBehind; } } else if( rEnd2 == rStt1 ) nRet = SwComparePosition::CollideStart; else nRet = SwComparePosition::Behind; return nRet; } /// SwPointAndMark / SwPaM struct SwMoveFnCollection; SW_DLLPUBLIC extern SwMoveFnCollection const & fnMoveForward; ///< SwPam::Move()/Find() default argument. SW_DLLPUBLIC extern SwMoveFnCollection const & fnMoveBackward; using SwGoInDoc = auto (*)(SwPaM& rPam, SwMoveFnCollection const & fnMove) -> bool; SW_DLLPUBLIC bool GoInDoc( SwPaM&, SwMoveFnCollection const &); SW_DLLPUBLIC bool GoInSection( SwPaM&, SwMoveFnCollection const &); SW_DLLPUBLIC bool GoInNode( SwPaM&, SwMoveFnCollection const &); SW_DLLPUBLIC bool GoInContent( SwPaM&, SwMoveFnCollection const &); SW_DLLPUBLIC bool GoInContentCells( SwPaM&, SwMoveFnCollection const &); SW_DLLPUBLIC bool GoInContentSkipHidden( SwPaM&, SwMoveFnCollection const &); SW_DLLPUBLIC bool GoInContentCellsSkipHidden( SwPaM&, SwMoveFnCollection const &); /// PaM is Point and Mark: a selection of the document model. class SAL_WARN_UNUSED SW_DLLPUBLIC SwPaM : public sw::Ring { SwPosition m_Bound1; SwPosition m_Bound2; SwPosition * m_pPoint; ///< points at either m_Bound1 or m_Bound2 SwPosition * m_pMark; ///< points at either m_Bound1 or m_Bound2 bool m_bIsInFrontOfLabel; SwPaM* MakeRegion( SwMoveFnCollection const & fnMove, const SwPaM * pOrigRg ); SwPaM(SwPaM const& rPaM) = delete; public: explicit SwPaM( const SwPosition& rPos, SwPaM* pRing = nullptr ); SwPaM( const SwPosition& rMk, const SwPosition& rPt, SwPaM* pRing = nullptr ); SwPaM( const SwNodeIndex& rMk, const SwNodeIndex& rPt, long nMkOffset = 0, long nPtOffset = 0, SwPaM* pRing = nullptr ); SwPaM( const SwNode& rMk, const SwNode& rPt, long nMkOffset = 0, long nPtOffset = 0, SwPaM* pRing = nullptr ); SwPaM( const SwNodeIndex& rMk, sal_Int32 nMkContent, const SwNodeIndex& rPt, sal_Int32 nPtContent, SwPaM* pRing = nullptr ); SwPaM( const SwNode& rMk, sal_Int32 nMkContent, const SwNode& rPt, sal_Int32 nPtContent, SwPaM* pRing = nullptr ); SwPaM( const SwNode& rNd, sal_Int32 nContent = 0, SwPaM* pRing = nullptr ); SwPaM( const SwNodeIndex& rNd, sal_Int32 nContent = 0, SwPaM* pRing = nullptr ); virtual ~SwPaM() override; /// this takes a second parameter, which indicates the Ring that /// the new PaM should be part of (may be null) SwPaM(SwPaM const& rPaM, SwPaM * pRing); /// @@@ semantic: no copy assignment for super class Ring. SwPaM& operator=( const SwPaM & ); /// Movement of cursor. bool Move( SwMoveFnCollection const & fnMove = fnMoveForward, SwGoInDoc fnGo = GoInContent ); /// Search. bool Find( const i18nutil::SearchOptions2& rSearchOpt, bool bSearchInNotes, utl::TextSearch& rSText, SwMoveFnCollection const & fnMove, const SwPaM *pPam =nullptr, bool bInReadOnly = false); bool Find( const SwFormat& rFormat, SwMoveFnCollection const & fnMove, const SwPaM *pPam =nullptr, bool bInReadOnly = false); bool Find( const SfxPoolItem& rAttr, bool bValue, SwMoveFnCollection const & fnMove, const SwPaM *pPam =nullptr, bool bInReadOnly = false ); bool Find( const SfxItemSet& rAttr, bool bNoColls, SwMoveFnCollection const & fnMove, const SwPaM *pPam, bool bInReadOnly, bool bMoveFirst ); bool DoSearch( const i18nutil::SearchOptions2& rSearchOpt, utl::TextSearch& rSText, SwMoveFnCollection const & fnMove, bool bSrchForward, bool bRegSearch, bool bChkEmptyPara, bool bChkParaEnd, sal_Int32 &nStart, sal_Int32 &nEnd, sal_Int32 nTextLen, SwNode* pNode, SwPaM* pPam); bool IsInFrontOfLabel() const { return m_bIsInFrontOfLabel; } void SetInFrontOfLabel_( bool bNew ) { m_bIsInFrontOfLabel = bNew; } /// Unless this is called, the getter method of Mark will return Point. virtual void SetMark(); void DeleteMark() { if (m_pMark != m_pPoint) { /** clear the mark position; this helps if mark's SwIndex is registered at some node, and that node is then deleted */ *m_pMark = SwPosition( SwNodeIndex( GetNode().GetNodes() ) ); m_pMark = m_pPoint; } } #ifdef DBG_UTIL void Exchange(); #else void Exchange() { if (m_pPoint != m_pMark) { SwPosition *pTmp = m_pPoint; m_pPoint = m_pMark; m_pMark = pTmp; } } #endif /** A PaM marks a selection if Point and Mark are distinct positions. @return true if the PaM spans a selection */ bool HasMark() const { return m_pPoint != m_pMark; } const SwPosition *GetPoint() const { return m_pPoint; } SwPosition *GetPoint() { return m_pPoint; } const SwPosition *GetMark() const { return m_pMark; } SwPosition *GetMark() { return m_pMark; } const SwPosition *Start() const { return (*m_pPoint) <= (*m_pMark) ? m_pPoint : m_pMark; } SwPosition *Start() { return (*m_pPoint) <= (*m_pMark) ? m_pPoint : m_pMark; } const SwPosition *End() const { return (*m_pPoint) > (*m_pMark) ? m_pPoint : m_pMark; } SwPosition *End() { return (*m_pPoint) > (*m_pMark) ? m_pPoint : m_pMark; } /// @return current Node at Point/Mark SwNode & GetNode ( bool bPoint = true ) const { return ( bPoint ? m_pPoint->nNode : m_pMark->nNode ).GetNode(); } /// @return current ContentNode at Point/Mark SwContentNode* GetContentNode( bool bPoint = true ) const { return GetNode(bPoint).GetContentNode(); } /** Normalizes PaM, i.e. sort point and mark. @param bPointFirst true: If the point is behind the mark then swap. false: If the mark is behind the point then swap. */ void Normalize(bool bPointFirst = true); /// @return the document (SwDoc) at which the PaM is registered SwDoc* GetDoc() const { return m_pPoint->nNode.GetNode().GetDoc(); } SwPosition& GetBound( bool bOne = true ) { return bOne ? m_Bound1 : m_Bound2; } const SwPosition& GetBound( bool bOne = true ) const { return bOne ? m_Bound1 : m_Bound2; } /// Get number of page which contains cursor. sal_uInt16 GetPageNum( bool bAtPoint = true, const Point* pLayPos = nullptr ); /** Is in something protected (readonly) or selection contains something protected. */ bool HasReadonlySel( bool bFormView ) const; bool ContainsPosition(const SwPosition & rPos) const { return *Start() <= rPos && rPos <= *End(); } DECL_FIXEDMEMPOOL_NEWDEL(SwPaM); OUString GetText() const; void InvalidatePaM(); SwPaM* GetNext() { return GetNextInRing(); } const SwPaM* GetNext() const { return GetNextInRing(); } SwPaM* GetPrev() { return GetPrevInRing(); } const SwPaM* GetPrev() const { return GetPrevInRing(); } bool IsMultiSelection() const { return !unique(); } void dumpAsXml(struct _xmlTextWriter* pWriter) const; }; SW_DLLPUBLIC std::ostream &operator <<(std::ostream& s, const SwPaM& pam); bool CheckNodesRange( const SwNodeIndex&, const SwNodeIndex&, bool bChkSection ); #endif // INCLUDED_SW_INC_PAM_HXX /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ ndering4 LibreOffice 核心代码仓库文档基金会
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