calculatordlg.h

一个科学计算器的源代码功能不是很全但

// CalculatorDlg.h : header file
//

#if !defined(AFX_CALCULATORDLG_H__8F15023D_4EA7_11D3_860D_A73AED693C48__INCLUDED_)
#define AFX_CALCULATORDLG_H__8F15023D_4EA7_11D3_860D_A73AED693C48__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

/////////////////////////////////////////////////////////////////////////////
// CCalculatorDlg dialog

enum Operator { OpNone, OpAdd, OpSubtract, OpMultiply, OpDivide };
enum Func { FuncSin, FuncTan, FuncCos, FuncSqrt, FuncSqre, FuncLn, FuncLog,
             FuncN, FuncRec, FuncExp, FuncNone};
enum CalcError { ErrNone, ErrDivideByZero };

#define PI 3.1415926

class CCalculatorDlg : public CDialog
{
// Construction
public:
	CCalculatorDlg(CWnd* pParent = NULL);	// standard constructor

	double m_operand;  //存储当前输入的操作数
	double m_accum;  //存储当前的计算处理结果
	BOOL m_bCoff;  //标识当前输入是否是小数
	double m_coff;  //小数输入时的系数
	double DtoR;  

	CWnd* m_pMark;

	Operator m_operator;  //enum型变量用以标识当前运算符
	Func m_func;          //储存函数类型
	CalcError m_errorState;//enum型变量用以标识当前运算状态
	BOOL m_bOperandAvail;  //标识当前输入是否是新输入小数

	void Calculate();   //处理计算
	void Run_Func();    //处理函数计算
	void UpdateDisplay();  //处理显示
// Dialog Data
	//{{AFX_DATA(CCalculatorDlg)
	enum { IDD = IDD_CALCULATOR_DIALOG };
	CString	m_result;
	int		m_isDegree;
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CCalculatorDlg)
	public:
	virtual BOOL PreTranslateMessage(MSG* pMsg);
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	HICON m_hIcon;
	HACCEL m_hAccel;

	// Generated message map functions
	//{{AFX_MSG(CCalculatorDlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	afx_msg void OnOperandInput(UINT nID); 
	afx_msg void OnAdd();
	afx_msg void OnMinus();
	afx_msg void OnDivid();
	afx_msg void OnMultiply();
	afx_msg void OnEqual();
	afx_msg void OnSqrt();
	afx_msg void OnSign();
	afx_msg void OnReciprocal();
	afx_msg void OnPoint();
	afx_msg void OnClear();
	afx_msg BOOL Keyboard(LPCTSTR szButton);
	afx_msg void OnLog();
	afx_msg void OnLn();
	afx_msg void OnFactorial();
	afx_msg void OnExp();
	afx_msg void OnSin();
	afx_msg void OnSquar();
	afx_msg void OnTan();
	afx_msg void OnDegree();
	afx_msg void OnRad();
	afx_msg void OnCos();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

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

#endif // !defined(AFX_CALCULATORDLG_H__8F15023D_4EA7_11D3_860D_A73AED693C48__INCLUDED_)