计算器dlg.cpp

一个还不错的计算器,我自己写的,花了不少时间,功能比较多

// 计算器Dlg.cpp : implementation file

#include "stdafx.h"
#include "计算器.h"
#include "计算器Dlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyDlg dialog

CMyDlg::CMyDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMyDlg::IDD, pParent)
{//构造函数---------------------------------------------------------------------------------------------------------------
//成员变量初始化	
sum=0;
	//{{AFX_DATA_INIT(CMyDlg)
	str = _T("");
	M = _T("");
	//}}AFX_DATA_INIT
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMyDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMyDlg)
	DDX_Text(pDX, IDC_EDIT1, str);
	DDX_Text(pDX, IDC_EDIT2, M);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMyDlg, CDialog)
	//{{AFX_MSG_MAP(CMyDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	ON_BN_CLICKED(IDC_BUTTON3, OnButton3)
	ON_BN_CLICKED(IDC_BUTTON4, OnButton4)
	ON_BN_CLICKED(IDC_BUTTON5, OnButton5)
	ON_BN_CLICKED(IDC_BUTTON6, OnButton6)
	ON_BN_CLICKED(IDC_BUTTON7, OnButton7)
	ON_BN_CLICKED(IDC_BUTTON8, OnButton8)
	ON_BN_CLICKED(IDC_BUTTON9, OnButton9)
	ON_BN_CLICKED(IDC_BUTTON10, OnButton10)
	ON_BN_CLICKED(IDC_BUTTON14, OnButton14)
	ON_BN_CLICKED(IDC_BUTTON15, OnButton15)
	ON_BN_CLICKED(IDC_BUTTON16, OnButton16)
	ON_BN_CLICKED(IDC_BUTTON17, OnButton17)
	ON_BN_CLICKED(IDC_BUTTON13, OnButton13)
	ON_BN_CLICKED(IDC_BUTTON12, OnButton12)
	ON_BN_CLICKED(IDC_BUTTON11, OnButton11)
	ON_BN_CLICKED(IDC_BUTTON18, OnButton18)
	ON_BN_CLICKED(IDC_BUTTON19, OnButton19)
	ON_BN_CLICKED(IDC_BUTTON20, OnButton20)
	ON_BN_CLICKED(IDC_BUTTON21, OnButton21)
	ON_BN_CLICKED(IDC_BUTTON22, OnButton22)
	ON_BN_CLICKED(IDC_BUTTON23, OnButton23)
	ON_BN_CLICKED(IDC_BUTTON24, OnButton24)
	ON_BN_CLICKED(IDC_BUTTON25, OnButton25)
	ON_BN_CLICKED(IDC_BUTTON35, OnButton35)
	ON_BN_CLICKED(IDC_BUTTON26, OnButton26)
	ON_BN_CLICKED(IDC_BUTTON42, OnButton42)
	ON_BN_CLICKED(IDC_BUTTON32, OnButton32)
	ON_BN_CLICKED(IDC_BUTTON33, OnButton33)
	ON_BN_CLICKED(IDC_BUTTON28, OnButton28)
	ON_BN_CLICKED(IDC_BUTTON29, OnButton29)
	ON_BN_CLICKED(IDC_BUTTON30, OnButton30)
	ON_BN_CLICKED(IDC_BUTTON31, OnButton31)
	ON_BN_CLICKED(IDC_BUTTON27, OnButton27)
	ON_BN_CLICKED(IDC_BUTTON34, OnButton34)
	ON_BN_CLICKED(IDC_BUTTON36, OnButton36)
	ON_BN_CLICKED(IDC_BUTTON37, OnButton37)
	ON_BN_CLICKED(IDC_BUTTON38, OnButton38)
	ON_BN_CLICKED(IDC_BUTTON39, OnButton39)
	ON_BN_CLICKED(IDC_BUTTON40, OnButton40)
	ON_BN_CLICKED(IDC_BUTTON41, OnButton41)
	ON_BN_CLICKED(IDC_RADIO1, OnRadio1)
	ON_BN_CLICKED(IDC_RADIO2, OnRadio2)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyDlg message handlers

BOOL CMyDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
		((CButton*)GetDlgItem(IDC_RADIO2))->SetCheck(1);//初始化-----------------------------------------------------------------------------------------------------

	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CMyDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CMyDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

HCURSOR CMyDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}






//_________________________________________________________________________________________________________________________________
void CMyDlg::OnOK() 
{
	// TODO: Add extra validation here
	
	CDialog::OnOK();
}

void CMyDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	
	CDialog::OnCancel();
}

void CMyDlg::OnButton1() 
{
	str+="1";
	UpdateData(false);
}

void CMyDlg::OnButton2() 
{
	str+="2";
	UpdateData(false);
}

void CMyDlg::OnButton3() 
{
	str+="3";
	UpdateData(false);
}

void CMyDlg::OnButton4() 
{
	str+="4";
	UpdateData(false);	
}

void CMyDlg::OnButton5() 
{
	str+="5";
	UpdateData(false);	
}

void CMyDlg::OnButton6() 
{
	str+="6";
	UpdateData(false);	
}

void CMyDlg::OnButton7() 
{
	str+="7";
	UpdateData(false);	
}

void CMyDlg::OnButton8() 
{
	str+="8";
	UpdateData(false);	
}

void CMyDlg::OnButton9() 
{
	str+="9";
	UpdateData(false);	
}

void CMyDlg::OnButton10() 
{
	str+="0";
	UpdateData(false);	
}

void CMyDlg::OnButton14() 
{
	str+="+";
	UpdateData(false);	
}

void CMyDlg::OnButton15() 
{
	str+="-";
	UpdateData(false);	
}

void CMyDlg::OnButton16() 
{
	str+="*";
	UpdateData(false);	
}

void CMyDlg::OnButton17() 
{
	str+="/";
	UpdateData(false);	
}

void CMyDlg::OnButton13() //清0
{
	str="";
	UpdateData(false);	
}

void CMyDlg::OnButton12() //删除
{
	str.Delete(str.GetLength()-1);
	UpdateData(false);
}

void CMyDlg::OnButton18() 
{
	str+="(";
	UpdateData(false);	
}

void CMyDlg::OnButton19() 
{
	str+=")";
	UpdateData(false);	
}

void CMyDlg::OnButton20() 
{
	str+="E";
	UpdateData(false);	
}

void CMyDlg::OnButton25() 
{
	str+="Pi";
	UpdateData(false);	
}

void CMyDlg::OnButton35() 
{
	str+=".";
	UpdateData(false);	
}

void CMyDlg::OnButton26() 
{
//	str+='%';
//	UpdateData(false);
}

void CMyDlg::OnButton42() 
{
	MessageBox("优先级为:“e”=“Pi”>“Ln”=“Log”=“Sin”=“Cos”=“Tan”=“Ctg”>“^”>“*”=“/”>“+”=“-”","优先级");	
}

void CMyDlg::OnButton32() 
{
	str+="LN";
	UpdateData(false);	
}

void CMyDlg::OnButton33() 
{
	str+="LoG";
	UpdateData(false);	
}

void CMyDlg::OnButton28() 
{
	str+="Sin";
	UpdateData(false);
}

void CMyDlg::OnButton29() 
{
	str+="Cos";
	UpdateData(false);	
}

void CMyDlg::OnButton30() 
{
	str+="Tag";
	UpdateData(false);	
}

void CMyDlg::OnButton31() 
{
	str+="Cot";
	UpdateData(false);
}

void CMyDlg::OnButton27() 
{
	str+="^";
	UpdateData(false);	
}


//++++++++++++++++++++++++++++++++++++++++++++++++计算++++++++++++++++++++++++++++++++++++++++++++++++++



void CMyDlg::OnButton11() //计算
{
	test=0;
	CString st=str;//sum=strtod(str,&stop);
	if(-1!=str.ReverseFind('='))
		st=str.Right(str.GetLength()-str.ReverseFind('=')-1);

	brack(st);//从括号开始计算
	if(test==0){
		False1(st);
		str+="\r\n=";
		str+=st;
		sum=strtod(st,&stop);
	}
	UpdateData(false);	
}

int  CMyDlg::brack(CString & st)//判断和计算括号
{
	if(st=="" || st=="."){
		st="0";
		return -1;}


	int a=st.ReverseFind('(');
	if(-1==a){
		if(-1!=st.Find(')')){
			False(st);
			return -1;
		}
		count(st);
	}

	else{
		int b=st.Find(')',a+1);
		if(-1==b){
			False(st);
			return -1;
		}
		else{
			CString st1=st.Mid(a+1,b-a-1);
			if(st1=="" || st1=="."){
				st1="0";
			}
			CString s=count(st1);
			st.Replace(st.Mid(a,b-a+1),s);
			brack(st);
		}
	}

	return 0;
}

CString & CMyDlg::count(CString & s)//计算无括号表达式
{	
	countPi(s);//计算常数Pi