/users/dtb26/GITROOT/VetSim-Core/src/VetSim-UI/scrolledWindows.h

#ifndef SCROLLEDWINDOWS_H
#define SCROLLEDWINDOWS_H

#include "mainApplicationWindow.h"


class MyScrolledWindowBase : public wxScrolled<wxWindow>
{
public:
        MyScrolledWindowBase(wxWindow *parent)
                : wxScrolled<wxWindow>(parent, wxID_ANY,
                                                                wxDefaultPosition, wxDefaultSize,
                                                                wxBORDER_SUNKEN)
        {
                m_nLines = 50;

                wxClientDC dc(this);

                //used to set the height which is used to set the scroll rate in the following class
                dc.GetTextExtent("Line 17", NULL, &m_hLine);
        }

        virtual void ScrollWindow(int dx, int dy, const wxRect *rect = NULL)
        {
                wxScrolled<wxWindow>::ScrollWindow(dx, dy, rect);

        }

protected:
        // the height of one line on screen
        int m_hLine;

        // the number of lines we draw
        size_t m_nLines;
};

// only redraws the lines which must be
// redrawn and sets the scroll rate and virtual size to affect the
// scrollbars.
class MyScrolledWindowSmart : public MyScrolledWindowBase
{
public:
        MyScrolledWindowSmart(wxWindow *parent) : MyScrolledWindowBase(parent)
        {
                // no horz scrolling
                SetScrollRate( 0, m_hLine );
                SetVirtualSize( wxDefaultCoord, ( m_nLines + 1 ) * m_hLine );
        }

};

#endif

---