#ifndef _MEMORYVIEW_H_
#define _MEMORYVIEW_H_

#include "Types.h"
#include "win32/CustomDrawn.h"
#include "win32/DeviceContext.h"
#include <boost/signal.hpp>

class CMemoryView : public Framework::Win32::CCustomDrawn
{
public:
					                CMemoryView(HWND, RECT*);
	virtual			                ~CMemoryView();
	void			                SetMemorySize(uint32);
	void			                ScrollToAddress(uint32);
    uint32                          GetSelection();

    boost::signal<void (uint32)>    m_OnSelectionChange;

protected:
	virtual uint8	                GetByte(uint32) = 0;
	virtual HFONT	                GetFont();

	void			                Paint(HDC);
	long			                OnSize(unsigned int, unsigned int, unsigned int);
	long			                OnVScroll(unsigned int, unsigned int);
	long			                OnSetFocus();
    long                            OnKillFocus();
	long			                OnMouseWheel(short);
	long			                OnLeftButtonDown(int, int);
    long                            OnLeftButtonUp(int, int);
    long                            OnKeyDown(unsigned int);
    void                            SetSelectionStart(unsigned int);

private:
	void			                GetVisibleRowsCols(unsigned int*, unsigned int*);
	void			                UpdateScrollRange();
	unsigned int	                GetScrollOffset();
	unsigned int	                GetScrollThumbPosition();
    void                            UpdateCaretPosition();
    void                            GetRenderParams(const SIZE&, unsigned int&, unsigned int&, uint32&);

    uint32                          m_nSelectionStart;
	uint32			                m_nSize;
	unsigned int	                m_nPos;
};

#endif