scrolbar.h

很牛的GUI源码wxWidgets-2.8.0.zip 可在多种平台下运行.

/////////////////////////////////////////////////////////////////////////////
// Name:        wx/motif/scrollbar.h
// Purpose:     wxScrollBar class
// Author:      Julian Smart
// Modified by:
// Created:     17/09/98
// RCS-ID:      $Id: scrolbar.h,v 1.17 2006/09/05 20:46:14 VZ Exp $
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_SCROLBAR_H_
#define _WX_SCROLBAR_H_

// Scrollbar item
class WXDLLEXPORT wxScrollBar: public wxScrollBarBase
{
    DECLARE_DYNAMIC_CLASS(wxScrollBar)

public:
    inline wxScrollBar() { m_pageSize = 0; m_viewSize = 0; m_objectSize = 0; }
    virtual ~wxScrollBar();

    inline 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);

    int GetThumbPosition() const ;
    inline int GetThumbSize() const { return m_pageSize; }
    inline int GetPageSize() const { return m_viewSize; }
    inline 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);

    void Command(wxCommandEvent& event);

    // Implementation
    virtual void ChangeFont(bool keepOriginalSize = true);
    virtual void ChangeBackgroundColour();

protected:
    int m_pageSize;
    int m_viewSize;
    int m_objectSize;
};

#endif
// _WX_SCROLBAR_H_