xpbutton.h

一个学生考试成绩管理的半成品

#pragma once
class CXPButton : public CButton
{
// Construction
public:
	CXPButton();

	// Attributes
protected:
	//按钮的外边框
	CPen m_BoundryPen;
	
	//鼠标指针置于按钮之上时按钮的内边框
	CPen m_InsideBoundryPenLeft;
	CPen m_InsideBoundryPenRight;
	CPen m_InsideBoundryPenTop;
	CPen m_InsideBoundryPenBottom;
	
	//按钮获得焦点时按钮的内边框
	CPen m_InsideBoundryPenLeftSel;
	CPen m_InsideBoundryPenRightSel;
	CPen m_InsideBoundryPenTopSel;
	CPen m_InsideBoundryPenBottomSel;
	
	//按钮的底色，包括有效和无效两种状态
	CBrush m_FillActive;
	CBrush m_FillInactive;
	
	//按钮的状态
	BOOL m_bOver;	//鼠标位于按钮之上时该值为true，反之为flase
	BOOL m_bTracking;	//在鼠标按下没有释放时该值为true
	BOOL m_bSelected;	//按钮被按下是该值为true
	BOOL m_bFocus;	//按钮为当前焦点所在时该值为true
protected:
	virtual void PreSubclassWindow();
public:
	virtual void DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct);
	virtual void DoGradientFill(CDC *pDC, CRect* rect);
	virtual void DrawInsideBorder(CDC *pDC, CRect* rect);
	virtual ~CXPButton();
protected:
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg LRESULT OnMouseLeave(WPARAM wParam, LPARAM lParam);
	afx_msg LRESULT OnMouseHover(WPARAM wParam, LPARAM lParam);
	DECLARE_MESSAGE_MAP()
};