/////////////////////////////////////////////////////////////////////////////
// Name:        scrollbar.h
// Purpose:     wxScrollBar class
// Author:      Stefan Csomor
// Modified by:
// Created:     1998-01-01
// RCS-ID:      $Id$
// Copyright:   (c) Stefan Csomor
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_SCROLBAR_H_
#define _WX_SCROLBAR_H_

// Scrollbar item
class WXDLLEXPORT wxScrollBar : public wxScrollBarBase
{
public:
    wxScrollBar() { m_pageSize = 0; m_viewSize = 0; m_objectSize = 0; }
    virtual ~wxScrollBar();

    wxScrollBar(wxWindow *parent,
                wxWindowID id,
                const wxPoint& pos = wxDefaultPosition,
                const wxSize& size = wxDefaultSize,
                long style = wxSB_HORIZONTAL,
                const wxValidator& validator = wxDefaultValidator,
                const wxString& name = wxScrollBarNameStr)
    {
        Create(parent, id, pos, size, style, validator, name);
    }
    bool Create(wxWindow *parent,
                wxWindowID id,
                const wxPoint& pos = wxDefaultPosition,
                const wxSize& size = wxDefaultSize,
                long style = wxSB_HORIZONTAL,
                const wxValidator& validator = wxDefaultValidator,
                const wxString& name = wxScrollBarNameStr);

    virtual int GetThumbPosition() const ;
    virtual int GetThumbSize() const { return m_viewSize; }
    virtual int GetPageSize() const { return m_pageSize; }
    virtual int GetRange() const { return m_objectSize; }

    virtual void SetThumbPosition(int viewStart);
    virtual void SetScrollbar(int position, int thumbSize, int range,
            int pageSize, bool refresh = true);

    // implementation only from now on
    void Command(wxCommandEvent& event);
    virtual void MacHandleControlClick( WXWidget control ,
                                        wxInt16 controlpart ,
                                        bool mouseStillDown ) ;
    virtual wxInt32 MacControlHit( WXEVENTHANDLERREF handler ,
                                   WXEVENTREF mevent ) ;

protected:
    virtual wxSize DoGetBestSize() const;

    int m_pageSize;
    int m_viewSize;
    int m_objectSize;

    DECLARE_DYNAMIC_CLASS(wxScrollBar)
    DECLARE_EVENT_TABLE()
};

#endif // _WX_SCROLBAR_H_