main/sw/source/core/inc/layfrm.hxx

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#ifndef SW_LAYFRM_HXX
#define SW_LAYFRM_HXX

#include "frame.hxx"

class SwCntntFrm;
class SwFlowFrm;
class SwFmtCol;
struct SwCrsrMoveState;
class SwFrmFmt;
class SwBorderAttrs;
class SwFmtFrmSize;
class SwCellFrm;

class SwLayoutFrm: public SwFrm
{
	//Der verkappte SwFrm
	friend class SwFlowFrm;
	friend class SwFrm;

		//Hebt die Lower waehrend eines Spaltenumbaus auf.
	friend SwFrm* SaveCntnt( SwLayoutFrm *, SwFrm * );
    friend void   RestoreCntnt( SwFrm *, SwLayoutFrm *, SwFrm *pSibling, bool bGrow );

#if OSL_DEBUG_LEVEL > 1
	//entfernt leere SwSectionFrms aus einer Kette
	friend SwFrm* SwClearDummies( SwFrm* pFrm );
#endif

	void CopySubtree( const SwLayoutFrm *pDest );
protected:
	virtual void Format( const SwBorderAttrs *pAttrs = 0 );
	virtual void MakeAll();

	SwFrm			*pLower;

    virtual SwTwips ShrinkFrm( SwTwips, sal_Bool bTst = sal_False, sal_Bool bInfo = sal_False );
    virtual SwTwips GrowFrm  ( SwTwips, sal_Bool bTst = sal_False, sal_Bool bInfo = sal_False );

    long CalcRel( const SwFmtFrmSize &rSz, sal_Bool bWidth ) const;

public:
    // --> OD 2004-06-29 #i28701#
    TYPEINFO();

	void PaintSubsidiaryLines( const SwPageFrm*, const SwRect& ) const;
	void RefreshLaySubsidiary( const SwPageFrm*, const SwRect& ) const;
	void RefreshExtraData( const SwRect & ) const;

		//Proportionale Groessenanpassung der untergeordneten.
	void ChgLowersProp( const Size& rOldSize );

    void AdjustColumns( const SwFmtCol *pCol, sal_Bool bAdjustAttributes );

	void ChgColumns( const SwFmtCol &rOld, const SwFmtCol &rNew,
		const sal_Bool bChgFtn = sal_False );


		//Painted die Column-Trennlinien fuer die innenliegenden Columns.
	void PaintColLines( const SwRect &, const SwFmtCol &,
						const SwPageFrm * ) const;

	virtual bool    FillSelection( SwSelectionList& rList, const SwRect& rRect ) const;

	virtual sal_Bool  GetCrsrOfst( SwPosition *, Point&,
                               SwCrsrMoveState* = 0 ) const;

	virtual void Cut();
	virtual void Paste( SwFrm* pParent, SwFrm* pSibling = 0 );

		//sucht den dichtesten Cntnt zum SPoint, wird bei Seiten, Flys und Cells
		//benutzt wenn GetCrsrOfst versagt hat.
	const SwCntntFrm* GetCntntPos( Point &rPoint, const sal_Bool bDontLeave,
								   const sal_Bool bBodyOnly = sal_False,
								   const sal_Bool bCalc = sal_False,
								   const SwCrsrMoveState *pCMS = 0,
								   const sal_Bool bDefaultExpand = sal_True ) const;

	SwLayoutFrm( SwFrmFmt*, SwFrm* );
	~SwLayoutFrm();

    virtual void Paint( SwRect const&,
                        SwPrintData const*const pPrintData = NULL ) const;
    const SwFrm *Lower() const { return pLower; }
          SwFrm *Lower()       { return pLower; }
	const SwCntntFrm *ContainsCntnt() const;
	inline SwCntntFrm *ContainsCntnt();
	const SwCellFrm *FirstCell() const;
	inline SwCellFrm *FirstCell();
    // --> OD 2006-02-01 #130797#
    // Method <ContainsAny()> doesn't investigate content of footnotes by default.
    // But under certain circumstances this investigation is intended.
    // Thus, introduce new optional parameter <_bInvestigateFtnForSections>.
    // It's default is <false>, still indicating that content of footnotes isn't
    // investigated for sections.
    const SwFrm *ContainsAny( const bool _bInvestigateFtnForSections = false ) const;
    inline SwFrm *ContainsAny( const bool _bInvestigateFtnForSections = false );
    // <--
	sal_Bool IsAnLower( const SwFrm * ) const;

    virtual const SwFrmFmt *GetFmt() const;
    virtual       SwFrmFmt *GetFmt();
    void        SetFrmFmt( SwFrmFmt* );

	//Verschieben der Ftns aller Lower - ab dem StartCntnt.
	//sal_True wenn mindestens eine Ftn verschoben wurde.
	//Ruft das Update der Seitennummer wenn bFtnNums gesetzt ist.
	sal_Bool MoveLowerFtns( SwCntntFrm *pStart, SwFtnBossFrm *pOldBoss,
						SwFtnBossFrm *pNewBoss, const sal_Bool bFtnNums );

    // --> OD 2004-07-01 #i28701# - change purpose of method and its name
    // --> OD 2005-03-11 #i44016# - add parameter <_bUnlockPosOfObjs> to
    // force an unlockposition call for the lower objects.
    void NotifyLowerObjs( const bool _bUnlockPosOfObjs = false );
    // <--

	//Invalidiert diejenigen innenliegenden Frames, deren Breite und/oder
	//Hoehe Prozentual berechnet werden. Auch Rahmen, die an this oder an
	//innenliegenden verankert sind werden ggf. invalidiert.
    void InvaPercentLowers( SwTwips nDiff = 0 );

	//Gerufen von Format fuer Rahmen und Bereichen mit Spalten.
	void FormatWidthCols( const SwBorderAttrs &, const SwTwips nBorder,
						  const SwTwips nMinHeight );

	// InnerHeight returns the height of the content and may be bigger or
	// less than the PrtArea-Height of the layoutframe himself
	SwTwips InnerHeight() const;

    /** method to check relative position of layout frame to
        a given layout frame.

        OD 08.11.2002 - refactoring of pseudo-local method <lcl_Apres(..)> in
        <txtftn.cxx> for #104840#.

        @param _aCheckRefLayFrm
        constant reference of an instance of class <SwLayoutFrm> which
        is used as the reference for the relative position check.

        @author OD

        @return true, if <this> is positioned before the layout frame <p>
    */
    bool IsBefore( const SwLayoutFrm* _pCheckRefLayFrm ) const;

    const SwFrm* GetLastLower() const;
    inline SwFrm* GetLastLower();
};

//Um doppelte Implementierung zu sparen wird hier ein bischen gecasted
inline SwCntntFrm* SwLayoutFrm::ContainsCntnt()
{
	return (SwCntntFrm*)(((const SwLayoutFrm*)this)->ContainsCntnt());
}

inline SwCellFrm* SwLayoutFrm::FirstCell()
{
	return (SwCellFrm*)(((const SwLayoutFrm*)this)->FirstCell());
}

// --> OD 2006-02-01 #130797#
inline SwFrm* SwLayoutFrm::ContainsAny( const bool _bInvestigateFtnForSections )
{
    return (SwFrm*)(((const SwLayoutFrm*)this)->ContainsAny( _bInvestigateFtnForSections ));
}
// <--

// Diese SwFrm-inlines sind hier, damit frame.hxx nicht layfrm.hxx includen muss
inline sal_Bool SwFrm::IsColBodyFrm() const
{
    return nType == FRMC_BODY && GetUpper()->IsColumnFrm();
}

inline sal_Bool SwFrm::IsPageBodyFrm() const
{
    return nType == FRMC_BODY && GetUpper()->IsPageFrm();
}

inline SwFrm* SwLayoutFrm::GetLastLower()
{
    return const_cast<SwFrm*>(static_cast<const SwLayoutFrm*>(this)->GetLastLower());
}

#endif  // SW_LAYFRM_HXX