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#ifndef _TEXTDAT2_HXX
#define _TEXTDAT2_HXX

#include <svl/svarray.hxx>
#include <vcl/seleng.hxx>
#include <vcl/virdev.hxx>
#include <vcl/cursor.hxx>

class TextNode;
class TextView;

#define PORTIONKIND_TEXT		0
#define PORTIONKIND_TAB         1

#define DELMODE_SIMPLE			0
#define DELMODE_RESTOFWORD		1
#define DELMODE_RESTOFCONTENT	2

#define DEL_LEFT	1
#define DEL_RIGHT	2
#define TRAVEL_X_DONTKNOW	0xFFFF
#define MAXCHARSINPARA		0x3FFF-CHARPOSGROW

#define LINE_SEP	0x0A


class TETextPortion
{
private:
    sal_uInt16		nLen;
    long 		nWidth;
    sal_uInt8		nKind;
    sal_uInt8        nRightToLeft;

                TETextPortion()				{ nLen = 0; nKind = PORTIONKIND_TEXT; nWidth = -1; nRightToLeft = 0;}

public:
                TETextPortion( sal_uInt16 nL )	{
                                                nLen = nL;
                                                nKind = PORTIONKIND_TEXT;
                                                nWidth= -1;
                                                nRightToLeft = 0;
                                            }

    sal_uInt16		GetLen() const				{ return nLen; }
    sal_uInt16&		GetLen() 					{ return nLen; }

    long		GetWidth()const				{ return nWidth; }
    long&		GetWidth()					{ return nWidth; }

    sal_uInt8		GetKind() const				{ return nKind; }
    sal_uInt8&		GetKind()					{ return nKind; }

    sal_uInt8		GetRightToLeft() const		{ return nRightToLeft; }
    sal_uInt8&		GetRightToLeft()			{ return nRightToLeft; }
    sal_Bool        IsRightToLeft() const       { return (nRightToLeft&1); }

    sal_Bool		HasValidSize() const		{ return nWidth != (-1); }
};



typedef TETextPortion* TextPortionPtr;
SV_DECL_PTRARR( TextPortionArray, TextPortionPtr, 0, 8 )

class TETextPortionList : public TextPortionArray
{
public:
            TETextPortionList();
            ~TETextPortionList();

    void	Reset();
    sal_uInt16	FindPortion( sal_uInt16 nCharPos, sal_uInt16& rPortionStart, sal_Bool bPreferStartingPortion = sal_False );
    sal_uInt16  GetPortionStartIndex( sal_uInt16 nPortion );
    void	DeleteFromPortion( sal_uInt16 nDelFrom );
};

struct TEWritingDirectionInfo
{
    sal_uInt8    nType;
    sal_uInt16  nStartPos;
    sal_uInt16  nEndPos;
    TEWritingDirectionInfo( sal_uInt8 _Type, sal_uInt16 _Start, sal_uInt16 _End )
    {
        nType = _Type;
        nStartPos = _Start;
        nEndPos = _End;
    }
};

SV_DECL_VARARR( TEWritingDirectionInfos, TEWritingDirectionInfo, 0, 4 )

class TextLine
{
private:
    sal_uInt16			mnStart;
    sal_uInt16			mnEnd;
    sal_uInt16			mnStartPortion;
    sal_uInt16 			mnEndPortion;

    short			mnStartX;

    sal_Bool			mbInvalid;	// fuer geschickte Formatierung/Ausgabe

public:
                    TextLine() 	{
                                    mnStart = mnEnd = 0;
                                    mnStartPortion = mnEndPortion = 0;
                                    mnStartX = 0;
                                    mbInvalid = sal_True;
                                }

    sal_Bool			IsIn( sal_uInt16 nIndex ) const
                        { return ( (nIndex >= mnStart ) && ( nIndex < mnEnd ) ); }

    sal_Bool			IsIn( sal_uInt16 nIndex, sal_Bool bInclEnd ) const
                        { return ( ( nIndex >= mnStart ) && ( bInclEnd ? ( nIndex <= mnEnd ) : ( nIndex < mnEnd ) ) ); }

    void			SetStart( sal_uInt16 n )			{ mnStart = n; }
    sal_uInt16			GetStart() const				{ return mnStart; }
    sal_uInt16&			GetStart() 						{ return mnStart; }

    void			SetEnd( sal_uInt16 n )				{ mnEnd = n; }
    sal_uInt16			GetEnd() const					{ return mnEnd; }
    sal_uInt16&			GetEnd() 						{ return mnEnd; }

    void			SetStartPortion( sal_uInt16 n )		{ mnStartPortion = n; }
    sal_uInt16			GetStartPortion() const			{ return mnStartPortion; }
    sal_uInt16&			GetStartPortion() 				{ return mnStartPortion; }

    void			SetEndPortion( sal_uInt16 n )		{ mnEndPortion = n; }
    sal_uInt16			GetEndPortion() const			{ return mnEndPortion; }
    sal_uInt16&			GetEndPortion() 				{ return mnEndPortion; }

    sal_uInt16			GetLen() const					{ return mnEnd - mnStart; }

    sal_Bool			IsInvalid()	const				{ return mbInvalid; }
    sal_Bool			IsValid() const					{ return !mbInvalid; }
    void			SetInvalid()					{ mbInvalid = sal_True; }
    void			SetValid()						{ mbInvalid = sal_False; }

    sal_Bool			IsEmpty() const					{ return (mnEnd > mnStart) ? sal_False : sal_True; }

    short			GetStartX() const				{ return mnStartX; }
    void			SetStartX( short n )			{ mnStartX = n; }

    inline sal_Bool operator == ( const TextLine& rLine ) const;
    inline sal_Bool operator != ( const TextLine& rLine ) const;
};

typedef TextLine* TextLinePtr;
 SV_DECL_PTRARR_DEL( TextLines, TextLinePtr, 1, 4 )

inline sal_Bool TextLine::operator == ( const TextLine& rLine ) const
{
    return ( 	( mnStart == rLine.mnStart ) &&
                ( mnEnd == rLine.mnEnd ) &&
                ( mnStartPortion == rLine.mnStartPortion ) &&
                ( mnEndPortion == rLine.mnEndPortion ) );
}

inline sal_Bool TextLine::operator != ( const TextLine& rLine ) const
{
    return !( *this == rLine );
}



class TEParaPortion
{
private:
    TextNode*			    mpNode;

    TextLines			    maLines;
    TETextPortionList       maTextPortions;
    TEWritingDirectionInfos maWritingDirectionInfos;


    sal_uInt16				mnInvalidPosStart;
    short				mnInvalidDiff;

    sal_Bool				mbInvalid;
    sal_Bool				mbSimple;	// nur lineares Tippen


                        TEParaPortion( const TEParaPortion& ) {;}

public:
                        TEParaPortion( TextNode* pNode );
                        ~TEParaPortion();


    sal_Bool				IsInvalid()	const			{ return mbInvalid; }
    sal_Bool				IsSimpleInvalid() const		{ return mbSimple; }
    void				SetNotSimpleInvalid() 		{ mbSimple = sal_False; }
    void				SetValid()					{ mbInvalid = sal_False; mbSimple = sal_True;}

    void				MarkInvalid( sal_uInt16 nStart, short nDiff);
    void				MarkSelectionInvalid( sal_uInt16 nStart, sal_uInt16 nEnd );

    sal_uInt16				GetInvalidPosStart() const	{ return mnInvalidPosStart; }
    short				GetInvalidDiff() const 		{ return mnInvalidDiff; }

    TextNode*			GetNode() const				{ return mpNode; }
    TextLines&			GetLines()					{ return maLines; }
    TETextPortionList&	GetTextPortions() 			{ return maTextPortions; }
    TEWritingDirectionInfos& GetWritingDirectionInfos() { return maWritingDirectionInfos; }


    sal_uInt16				GetLineNumber( sal_uInt16 nIndex, sal_Bool bInclEnd );
    void				CorrectValuesBehindLastFormattedLine( sal_uInt16 nLastFormattedLine );
};


class TEParaPortions : public ToolsList<TEParaPortion*>
{
public:
                    TEParaPortions();
                    ~TEParaPortions();
    void			Reset();
};


class TextSelFunctionSet: public FunctionSet
{
private:
    TextView* 		mpView;

public:
                    TextSelFunctionSet( TextView* pView );

    virtual void	BeginDrag();

    virtual void 	CreateAnchor();

    virtual sal_Bool 	SetCursorAtPoint( const Point& rPointPixel, sal_Bool bDontSelectAtCursor = sal_False );

    virtual sal_Bool 	IsSelectionAtPoint( const Point& rPointPixel );
    virtual void 	DeselectAll();

    virtual void 	DeselectAtPoint( const Point& );
    virtual void 	DestroyAnchor();
};


class IdleFormatter : public Timer
{
private:
    TextView* 	mpView;
    sal_uInt16		mnRestarts;

public:
                IdleFormatter();
                ~IdleFormatter();

    void		DoIdleFormat( TextView* pV, sal_uInt16 nMaxRestarts );
    void		ForceTimeout();
    TextView*	GetView()		{ return mpView; }
};

struct TextDDInfo
{
    Cursor			maCursor;
    TextPaM			maDropPos;

    sal_Bool 			mbStarterOfDD;
    sal_Bool 			mbVisCursor;

    TextDDInfo()
    {
        maCursor.SetStyle( CURSOR_SHADOW );
        mbStarterOfDD = sal_False;
        mbVisCursor = sal_False;
    }
};

#endif // _TEXTDAT2_HXX

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