diff options
Diffstat (limited to 'sw/source/core/text/itrtxt.hxx')
| -rw-r--r-- | sw/source/core/text/itrtxt.hxx | 340 |
1 files changed, 340 insertions, 0 deletions
diff --git a/sw/source/core/text/itrtxt.hxx b/sw/source/core/text/itrtxt.hxx new file mode 100644 index 000000000000..2ea324539f32 --- /dev/null +++ b/sw/source/core/text/itrtxt.hxx @@ -0,0 +1,340 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ +#ifndef _ITRTXT_HXX +#define _ITRTXT_HXX +#include "swtypes.hxx" +#include "itratr.hxx" +#include "inftxt.hxx" + +class SwTxtFrm; +struct SwPosition; +struct SwCrsrMoveState; +class SwMarginPortion; +class SwFlyPortion; + +/************************************************************************* + * class SwTxtIter + *************************************************************************/ + +class SwTxtIter : public SwAttrIter +{ +protected: + SwLineInfo aLineInf; + SwTxtFrm *pFrm; + SwTxtInfo *pInf; + SwLineLayout *pCurr; + SwLineLayout *pPrev; + SwTwips nFrameStart; + SwTwips nY; + SwTwips nRegStart; // Anfangsposition (Y) des Registers + xub_StrLen nStart; // Start im Textstring, Ende = pCurr->GetLen() + KSHORT nRegDiff; // Zeilenabstand des Registers + MSHORT nLineNr; // Zeilennummer + sal_Bool bPrev : 1; + sal_Bool bRegisterOn : 1; // Registerhaltigkeit + sal_Bool bOneBlock : 1; // Blocksatz: Einzelwoerter austreiben + sal_Bool bLastBlock : 1; // Blocksatz: Auch die letzte Zeile + sal_Bool bLastCenter : 1; // Blocksatz: Letzte Zeile zentrieren + + SwLineLayout *_GetPrev(); + + // Zuruecksetzen in die erste Zeile. + void Init(); + void CtorInitTxtIter( SwTxtFrm *pFrm, SwTxtInfo *pInf ); + inline SwTxtIter(SwTxtNode* pTxtNode) : SwAttrIter(pTxtNode) { } + +public: + inline SwTxtIter( SwTxtFrm *pTxtFrm, SwTxtInfo *pTxtInf ) : SwAttrIter(pTxtFrm!=NULL?pTxtFrm->GetTxtNode():NULL) + { CtorInitTxtIter( pTxtFrm, pTxtInf ); } + inline const SwLineLayout *GetCurr() const { return pCurr; } // niemals 0! + inline const SwLineLayout *GetNext() const { return pCurr->GetNext(); } + const SwLineLayout *GetPrev(); + inline xub_StrLen GetLength() const { return pCurr->GetLen(); } + inline MSHORT GetLineNr() const { return nLineNr; } + inline xub_StrLen GetStart() const { return nStart; } + inline xub_StrLen GetEnd() const { return GetStart() + GetLength(); } + inline SwTwips Y() const { return nY; } + + inline SwTwips RegStart() const { return nRegStart; } + inline KSHORT RegDiff() const { return nRegDiff; } + inline sal_Bool IsRegisterOn() const { return bRegisterOn; } + + inline SwTxtInfo &GetInfo() { return *pInf; } + inline const SwTxtInfo &GetInfo() const { return *pInf; } + + inline void Top() { Init(); } + void Bottom(); + const SwLineLayout *Next(); + const SwLineLayout *Prev(); + + // Ueberspringt die Dummyzeilen der FlyFrms + const SwLineLayout *NextLine(); + const SwLineLayout *PrevLine(); + const SwLineLayout *GetNextLine() const; + const SwLineLayout *GetPrevLine(); + + void CharToLine( const xub_StrLen ); + const SwLineLayout *TwipsToLine(const SwTwips); + + // schneidet ab pCurr alle ab. + void TruncLines( sal_Bool bNoteFollow = sal_False ); + + inline KSHORT GetLineHeight() const { return pCurr->GetRealHeight(); } + void CalcAscentAndHeight( KSHORT &rAscent, KSHORT &rHeight ) const; + + // 5298, viel Aerger durch die Abfrage auf pCurr == pPara + inline sal_Bool IsFirstTxtLine() const + { return nStart == GetInfo().GetTxtStart() && + !( pCurr->IsDummy() && GetNextLine() ); } + + // Als Ersatz fuer das alte IsFirstLine() + inline sal_Bool IsParaLine() const + { return pCurr == pInf->GetParaPortion(); } + + const SwLineInfo &GetLineInfo() const { return aLineInf; } + inline SwTwips GetFirstPos() const { return nFrameStart; } + inline sal_Bool SeekAndChg( SwTxtSizeInfo &rInf ); + inline sal_Bool SeekAndChgBefore( SwTxtSizeInfo &rInf ); + inline sal_Bool SeekStartAndChg( SwTxtSizeInfo &rInf, const sal_Bool bPara=sal_False ); + + inline SwTxtFrm *GetTxtFrm() { return pFrm; } + inline const SwTxtFrm *GetTxtFrm() const { return pFrm; } + + // zaehlt aufeinanderfolgende Trennungen, um MaxHyphens einzuhalten + void CntHyphens( sal_uInt8 &nEndCnt, sal_uInt8 &nMidCnt) const; +}; + +/************************************************************************* + * class SwTxtMargin + *************************************************************************/ + +class SwTxtMargin : public SwTxtIter +{ +private: + SwTwips nLeft; + SwTwips nRight; + SwTwips nFirst; + KSHORT nDropLeft; + KSHORT nDropHeight; + KSHORT nDropDescent; + MSHORT nDropLines; + MSHORT nAdjust; + // --> OD 2008-06-30 #i91133# + SwTwips mnTabLeft; + // <-- + +protected: + // fuer FormatQuoVadis + inline void Right( const SwTwips nNew ) { nRight = nNew; } + // fuer CalcFlyAdjust + inline void SetDropLeft( const KSHORT nNew ) { nDropLeft = nNew; } + + void CtorInitTxtMargin( SwTxtFrm *pFrm, SwTxtSizeInfo *pInf ); + inline SwTxtMargin(SwTxtNode* pTxtNode) : SwTxtIter(pTxtNode) { } +public: + inline SwTxtMargin( SwTxtFrm *pTxtFrm, SwTxtSizeInfo *pTxtSizeInf ) : SwTxtIter(pTxtFrm!=NULL?pTxtFrm->GetTxtNode():NULL) + { CtorInitTxtMargin( pTxtFrm, pTxtSizeInf ); } + inline SwTwips GetLeftMargin() const; + inline SwTwips Left() const; + inline SwTwips Right() const { return nRight; } + inline SwTwips FirstLeft() const { return nFirst; } + inline SwTwips CurrWidth() const { return pCurr->PrtWidth(); } + SwTwips GetLineStart() const; + inline SwTwips GetLineEnd() const { return GetLineStart() + CurrWidth(); } + inline Point GetTopLeft() const { return Point( GetLineStart(), Y() ); } + inline sal_Bool IsOneBlock() const { return bOneBlock; } + inline sal_Bool IsLastBlock() const { return bLastBlock; } + inline sal_Bool IsLastCenter() const { return bLastCenter; } + inline MSHORT GetAdjust() const { return nAdjust; } + inline KSHORT GetLineWidth() const + { return KSHORT( Right() - GetLeftMargin() + 1 ); } + inline SwTwips GetLeftMin() const { return nFirst < nLeft ? nFirst : nLeft; } + inline sal_Bool HasNegFirst() const { return nFirst < nLeft; } + + // --> OD 2008-06-30 #i91133# + inline SwTwips GetTabLeft() const + { + return mnTabLeft; + } + // <-- + // DropCaps + inline MSHORT GetDropLines() const { return nDropLines; } + inline void SetDropLines( const MSHORT nNew ) { nDropLines = nNew; } + inline KSHORT GetDropLeft() const { return nDropLeft; } + inline KSHORT GetDropHeight() const { return nDropHeight; } + inline void SetDropHeight( const KSHORT nNew ) { nDropHeight = nNew; } + inline KSHORT GetDropDescent() const { return nDropDescent; } + inline void SetDropDescent( const KSHORT nNew ) { nDropDescent = nNew; } + void DropInit(); + + // liefert TxtPos fuer Start und Ende der aktuellen Zeile ohne whitespaces + // In frminf.cxx implementiert. + xub_StrLen GetTxtStart() const; + xub_StrLen GetTxtEnd() const; + + inline SwTxtSizeInfo &GetInfo() + { return (SwTxtSizeInfo&)SwTxtIter::GetInfo(); } + inline const SwTxtSizeInfo &GetInfo() const + { return (const SwTxtSizeInfo&)SwTxtIter::GetInfo(); } + +}; + + +/************************************************************************* + * class SwTxtAdjuster + *************************************************************************/ + +class SwTxtAdjuster : public SwTxtMargin +{ + // Gleicht die Portions aus, wenn Adjustment und FlyFrms vorliegen. + void CalcFlyAdjust( SwLineLayout *pCurr ); + + // ruft SplitGlues und CalcBlockAdjust + void FormatBlock( ); + + // Erstellt bei kurzen Zeilen die Glue-Kette. + SwMarginPortion* CalcRightMargin( SwLineLayout *pCurr, SwTwips nReal = 0 ); + + // Berechnung des Adjustments (FlyPortions) + SwFlyPortion *CalcFlyPortion( const long nRealWidth, + const SwRect &rCurrRect ); + +protected: + inline SwTxtAdjuster(SwTxtNode* pTxtNode) : SwTxtMargin(pTxtNode) { } + // spannt beim Blocksatz die Glues auf. + void CalcNewBlock( SwLineLayout *pCurr, const SwLinePortion *pStopAt, + SwTwips nReal = 0, bool bSkipKashida = false ); + SwTwips CalcKanaAdj( SwLineLayout *pCurr ); +public: + inline SwTxtAdjuster( SwTxtFrm *pTxtFrm, SwTxtSizeInfo *pTxtSizeInf ) : SwTxtMargin(pTxtFrm!=NULL?pTxtFrm->GetTxtNode():NULL) + { CtorInitTxtMargin( pTxtFrm, pTxtSizeInf ); } + + // wird von SwTxtFormatter wegen UpdatePos ueberladen + void CalcAdjLine( SwLineLayout *pCurr ); + + // sorgt fuer das nachtraegliche adjustieren + inline void GetAdjusted() const + { + if( pCurr->IsFormatAdj() ) + ((SwTxtAdjuster*)this)->CalcAdjLine( pCurr ); + } + + // DropCaps-Extrawurst + void CalcDropAdjust(); + void CalcDropRepaint(); +}; + +/************************************************************************* + * class SwTxtCursor + *************************************************************************/ + +class SwTxtCursor : public SwTxtAdjuster +{ + // A small helper-class to save SwTxtCursor member, manipulate them + // and to restore them + friend class SwTxtCursorSave; + + // 1170: Mehrdeutigkeiten + static sal_Bool bRightMargin; + void _GetCharRect(SwRect *, const xub_StrLen, SwCrsrMoveState* ); +protected: + void CtorInitTxtCursor( SwTxtFrm *pFrm, SwTxtSizeInfo *pInf ); + inline SwTxtCursor(SwTxtNode* pTxtNode) : SwTxtAdjuster(pTxtNode) { } +public: + inline SwTxtCursor( SwTxtFrm *pTxtFrm, SwTxtSizeInfo *pTxtSizeInf ) : SwTxtAdjuster(pTxtFrm!=NULL?pTxtFrm->GetTxtNode():NULL) + { CtorInitTxtCursor( pTxtFrm, pTxtSizeInf ); } + sal_Bool GetCharRect(SwRect *, const xub_StrLen, SwCrsrMoveState* = 0, + const long nMax = 0 ); + sal_Bool GetEndCharRect(SwRect *, const xub_StrLen, SwCrsrMoveState* = 0, + const long nMax = 0 ); + xub_StrLen GetCrsrOfst( SwPosition *pPos, const Point &rPoint, + const MSHORT nChgNode, SwCrsrMoveState* = 0 ) const; + // 1170: beruecksichtigt Mehrdeutigkeiten; Implementierung s.u. + const SwLineLayout *CharCrsrToLine( const xub_StrLen nPos ); + + // calculates baseline for portion rPor + // bAutoToCentered indicates, if AUTOMATIC mode means CENTERED or BASELINE + USHORT AdjustBaseLine( const SwLineLayout& rLine, const SwLinePortion* pPor, + USHORT nPorHeight = 0, USHORT nAscent = 0, + const sal_Bool bAutoToCentered = sal_False ) const; + + static inline void SetRightMargin( const sal_Bool bNew ){ bRightMargin = bNew; } + static inline sal_Bool IsRightMargin() { return bRightMargin; } +}; + +/************************************************************************* + * SwHookOut + * + * Change current output device to printer, this has to be done before + * formatting. + *************************************************************************/ + +class SwHookOut +{ + SwTxtSizeInfo* pInf; + OutputDevice* pOut; + sal_Bool bOnWin; +public: + SwHookOut( SwTxtSizeInfo& rInfo ); + ~SwHookOut(); +}; + +/************************************************************************* + * Inline-Implementierungen + *************************************************************************/ + +inline sal_Bool SwTxtIter::SeekAndChg( SwTxtSizeInfo &rInf ) +{ + return SeekAndChgAttrIter( rInf.GetIdx(), rInf.GetOut() ); +} + +inline sal_Bool SwTxtIter::SeekAndChgBefore( SwTxtSizeInfo &rInf ) +{ + if ( rInf.GetIdx() ) + return SeekAndChgAttrIter( rInf.GetIdx()-1, rInf.GetOut() ); + else + return SeekAndChgAttrIter( rInf.GetIdx(), rInf.GetOut() ); +} + +inline sal_Bool SwTxtIter::SeekStartAndChg( SwTxtSizeInfo &rInf, const sal_Bool bPara ) +{ + return SeekStartAndChgAttrIter( rInf.GetOut(), bPara ); +} + +inline SwTwips SwTxtMargin::GetLeftMargin() const +{ + return IsFirstTxtLine() ? nFirst : Left(); +} + +inline SwTwips SwTxtMargin::Left() const +{ + return (nDropLines >= nLineNr && 1 != nLineNr) ? nFirst + nDropLeft : nLeft; +} + + + +#endif |