Text ScrollBar Control

#if !defined(AFX_SCROLLBAREX_H__5AF255D5_2DC1_4A9C_8501_13B93AF7F692__INCLUDED_)
#define AFX_SCROLLBAREX_H__5AF255D5_2DC1_4A9C_8501_13B93AF7F692__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// ScrollBarEx.h : header file

#define		WM_SCROLLBAR_MSG			WM_USER + 100

//
enum
{
	TIMERID_SCROLLBAR = 100,
	TIMERID_LEFTBTN,
	TIMERID_RIGHTBTN,
	TIMERID_LEFTBTNHOVER,
	TIMERID_RIGHTBTNHOVER
};

enum
{
	BTN_NORMAL = 0,
	BTN_FLAT
};
/////////////////////////////////////////////////////////////////////////////
// CScrollBarEx window

class CScrollBarEx : public CWnd
{
// Construction
public:
	CScrollBarEx();

// Attributes
public:

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CScrollBarEx)
	//}}AFX_VIRTUAL

// Implementation
public:
	virtual ~CScrollBarEx();

	// Generated message map functions
protected:
	//{{AFX_MSG(CScrollBarEx)
	afx_msg void OnPaint();
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg void OnTimer(UINT nIDEvent);
	afx_msg void OnLButtonDblClk(UINT nFlags, CPoint point);
	afx_msg BOOL OnEraseBkgnd(CDC* pDC);
	afx_msg UINT OnGetDlgCode();
	afx_msg void OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()

public:
	BOOL Create(DWORD dwStyle, const RECT rect, CWnd *pParentWnd, UINT nID);
	
	double GetScrollBarCurVal();

	void SetScrollBarMinMaxVal(double dblMin, double dblMax);
	void SetScrollBarMinMaxValColor(COLORREF crMinMaxVal);

	void SetScrollBarCurVal(double dblSliderVal);
	void SetScrollBarCurValColor(COLORREF crCurVal);

	void SetScrollBarTextBkColor(COLORREF crBk);
	void SetScrollBarFillColor(COLORREF crFill);
	
	void SetPrecise(int nPrec);

private:
	BOOL RegisterWindowClass(void); // Make it work as custom control
	void DrawBk(CDC *pDC);
	void DrawDataText(CDC *pDC);
	void DrawLRButton(CDC *pDC);
	void DrawScrollZoneButton(CDC *pDC);
	void CalcRect();
//	void DrawScrollButton(CDC *pDC);
	void SendMsgToParentWnd();

private:
	CRect		m_rcClient;

	CRect		m_rcText;
	CRect		m_rcSBThumb;
	CRect		m_rcScrollBar;
	
	CRect		m_rcSBLBtn;
	CRect		m_rcSBRBtn;

	// text color and bak color
	COLORREF	m_crSbBk;
	COLORREF	m_crTextBk;
	COLORREF	m_crCurVal;
	COLORREF	m_crMaxMinVal;
	// 
	int			m_nPrecise;

	//
	double		m_dblCurVal;
	double		m_dblMax;
	double		m_dblMin;

	int			m_nLBtnStatus;
	int			m_nRBtnStatus;

	BOOL		m_bThumbPressed;
	BOOL		m_bSBPressed;

//	BOOL		m_bTimerProc;
	CPoint		m_ClickPoint;

	BOOL		m_bSBLBtnHover;
	BOOL		m_bSBRBtnHover;
};

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_SCROLLBAREX_H__5AF255D5_2DC1_4A9C_8501_13B93AF7F692__INCLUDED_)