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#ifndef SC_HDRCONT_HXX
#define SC_HDRCONT_HXX

#include <vcl/window.hxx>
#include <vcl/seleng.hxx>
#include "address.hxx"

// ---------------------------------------------------------------------------


#define HDR_HORIZONTAL      0
#define HDR_VERTICAL        1

#define HDR_SIZE_OPTIMUM    0xFFFF


                                    // Groesse des Sliders
#define HDR_SLIDERSIZE      2

class ScHeaderControl : public Window
{
private:
    SelectionEngine*    pSelEngine;
    Font                aNormFont;
    Font                aBoldFont;
    BOOL                bBoldSet;

    USHORT          nFlags;
    BOOL            bVertical;              // Vertikal = Zeilenheader

    long            nWidth;
    long            nSmallWidth;
    long            nBigWidth;

    SCCOLROW        nSize;

    SCCOLROW        nMarkStart;
    SCCOLROW        nMarkEnd;
    BOOL            bMarkRange;

    BOOL            bDragging;              // Groessen aendern
    SCCOLROW        nDragNo;
    long            nDragStart;
    long            nDragPos;
    BOOL            bDragMoved;

    BOOL            bIgnoreMove;

    long            GetScrPos( SCCOLROW nEntryNo );
    SCCOLROW        GetMousePos( const MouseEvent& rMEvt, BOOL& rBorder );
    bool            IsSelectionAllowed(SCCOLROW nPos) const;
    void            ShowDragHelp();

    void            DoPaint( SCCOLROW nStart, SCCOLROW nEnd );

    void            DrawShadedRect( long nStart, long nEnd, const Color& rBaseColor );

protected:
                    //  von Window ueberladen

    virtual void    Paint( const Rectangle& rRect );

    virtual void    MouseMove( const MouseEvent& rMEvt );
    virtual void    MouseButtonUp( const MouseEvent& rMEvt );
    virtual void    MouseButtonDown( const MouseEvent& rMEvt );
    virtual void    Tracking( const TrackingEvent& rTEvt );

    virtual void    RequestHelp( const HelpEvent& rHEvt );

                    //  neue Methoden

    virtual SCCOLROW    GetPos() = 0;                               // aktuelle Position (Scrolling)
    virtual USHORT  GetEntrySize( SCCOLROW nEntryNo ) = 0;      // Breite / Hoehe (Pixel)
    virtual String  GetEntryText( SCCOLROW nEntryNo ) = 0;

    virtual SCCOLROW GetHiddenCount( SCCOLROW nEntryNo );
    virtual BOOL    IsLayoutRTL();
    virtual BOOL    IsMirrored();

    virtual void    SetEntrySize( SCCOLROW nPos, USHORT nNewWidth ) = 0;
    virtual void    HideEntries( SCCOLROW nStart, SCCOLROW nEnd ) = 0;

    virtual void    SetMarking( BOOL bSet );
    virtual void    SelectWindow();
    virtual BOOL    IsDisabled();
    virtual BOOL    ResizeAllowed();
    virtual String  GetDragHelp( long nVal );

    virtual void    DrawInvert( long nDragPos );
    virtual void    Command( const CommandEvent& rCEvt );

public:
            ScHeaderControl( Window* pParent, SelectionEngine* pSelectionEngine,
                                SCCOLROW nNewSize, USHORT nNewFlags );
            ~ScHeaderControl();

    void    SetIgnoreMove(BOOL bSet)            { bIgnoreMove = bSet; }

    void    StopMarking();

    void    SetMark( BOOL bNewSet, SCCOLROW nNewStart, SCCOLROW nNewEnd );

    long    GetWidth() const                    { return nWidth; }
    long    GetSmallWidth() const               { return nSmallWidth; }
    long    GetBigWidth() const                 { return nBigWidth; }
    void    SetWidth( long nNew );
};



#endif