calc1dlg.cpp

一个简单的计数器,用VC++做的,不知道做的好不好,呵呵!

// calc1Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "calc1.h"
#include "calc1Dlg.h"
#include "math.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)
	virtual void OnOK();
	//}}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)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCalc1Dlg dialog

CCalc1Dlg::CCalc1Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCalc1Dlg::IDD, pParent)
{	
	m_rex=FALSE;
	m_numx=0;
	//count=0;
	//{{AFX_DATA_INIT(CCalc1Dlg)
	m_input = 0.0;
   m_result=0.0;
   m_op=0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CCalc1Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCalc1Dlg)
	DDX_Text(pDX, IDC_INPUT, m_input);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCalc1Dlg, CDialog)
	//{{AFX_MSG_MAP(CCalc1Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_EN_SETFOCUS(IDC_INPUT, OnSetfocusInput)
	ON_BN_CLICKED(IDC_ADD, OnAdd)
	ON_BN_CLICKED(IDC_CALC, OnCalc)
	ON_BN_CLICKED(IDC_CLEAR, OnClear)
	ON_BN_CLICKED(IDC_DIV, OnDiv)
	ON_BN_CLICKED(IDC_MUL, OnMul)
	ON_BN_CLICKED(IDC_RECI, OnReci)
	ON_BN_CLICKED(IDC_SQRT, OnSqrt)
	ON_BN_CLICKED(IDC_SUB, OnSub)
	ON_BN_CLICKED(IDC_OK, OnOk)
	ON_BN_CLICKED(IDC_7, On7)
	ON_BN_CLICKED(IDC_1, On1)
	ON_BN_CLICKED(IDC_8, On8)
	ON_BN_CLICKED(IDC_9, On9)
	ON_BN_CLICKED(IDC_4, On4)
	ON_BN_CLICKED(IDC_5, On5)
	ON_BN_CLICKED(IDC_6, On6)
	ON_BN_CLICKED(IDC_2, On2)
	ON_BN_CLICKED(IDC_3, On3)
	ON_BN_CLICKED(IDC_0, On0)
	ON_BN_CLICKED(IDC_zf, Onzf)
	ON_BN_CLICKED(IDC_point, Onpoint)
	ON_BN_CLICKED(IDC_bai, Onbai)
	ON_BN_CLICKED(IDC_x3, Onx3)
	ON_BN_CLICKED(IDC_x2, Onx2)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCalc1Dlg message handlers

BOOL CCalc1Dlg::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);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CCalc1Dlg::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 CCalc1Dlg::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();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CCalc1Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CCalc1Dlg::OnSetfocusInput() 
{
	// TODO: Add your control notification handler code here
	m_input=0.0;
	m_numx=0;
	m_rex=FALSE;
	UpdateData(FALSE);
}
void CCalc1Dlg::addnum(int j)
{	if (m_rex==FALSE)// m_numx++;
	{m_input=m_input*10+j;
	}
	else
	{	
	 m_numx++;
//	 MessageBox(m_numx);
	m_input=m_input+pow(10,(-1)*m_numx)*j;
	}
	UpdateData(FALSE);
}
void CCalc1Dlg::OnAdd() 
{
	// TODO: Add your control notification handler code here
	

//	m_result=m_input;
//	m_input=0.0;
	//UpdateData();
	calc();
	m_numx=0;
	m_rex=FALSE;
	m_op=1;
    
//	UpdateData(FALSE);
	
}

void CCalc1Dlg::OnCalc() 
{
	// TODO: Add your control notification handler code here
		
		calc();
		m_op=0;
		m_numx=0;
	   m_rex=FALSE;
}

void CCalc1Dlg::OnClear() 
{
	// TODO: Add your control notification handler code here
	m_result=0.0;
	m_op=0;
	m_input=0.0;
	UpdateData(FALSE);
	m_numx=0;
	m_rex=FALSE;
}

void CCalc1Dlg::OnDiv() 
{
	// TODO: Add your control notification handler code here
	calc();
	m_op=4;
	m_numx=0;
	m_rex=FALSE;
}

void CCalc1Dlg::OnMul() 
{
	// TODO: Add your control notification handler code here
	calc();
	m_op=3;
	m_numx=0;
	m_rex=FALSE;
}

void CCalc1Dlg::OnReci() 
{
	// TODO: Add your control notification handler code here
	m_op=6;
	calc();
	m_op=0;
	m_numx=0;
	m_rex=FALSE;
}

void CCalc1Dlg::OnSqrt() 
{
	// TODO: Add your control notification handler code here
	m_op=5;
	calc();
	m_op=0;
	m_numx=0;
	m_rex=FALSE;
}

void CCalc1Dlg::OnSub() 
{
	// TODO: Add your control notification handler code here
   calc();
	m_op=2;
	m_numx=0;
	m_rex=FALSE;
}

void CCalc1Dlg::calc()
{
	 UpdateData(TRUE);
     switch(m_op)
	 {case 0:
	    m_result=m_input;
	    break;
     case 1:
		m_result+=m_input;
	    break;
	 case 2:
	    m_result-=m_input;
	    break;
	case 3:
	    m_result*=m_input;
	    break;
	 case 4:
	    m_result/=m_input;
	    break;
	 case 5:
		 if(m_input==0){MessageBox("除数不能为零!");}
		 else {m_result=sqrt(m_input);}
	    break;
	 case 6:
		 if(m_input==0){MessageBox("除数不能为零!");}
		 else{m_result=1/m_input;}
	    break;
	case 7:
	    m_result=m_input*m_input*m_input;
	    break;
	case 8:
	    m_result=m_input*m_input;
	    break;
	case 9:
	    m_result=m_input*m_input;
	    break;
	 }
	 if (m_input!=m_result)m_input=m_result;
	 else m_input=0.0;
	 UpdateData(FALSE);
}

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

void CCalc1Dlg::OnOk() 
{
	// TODO: Add your control notification handler code here
	CDialog::OnOK();
}

void CCalc1Dlg::On7() 
{
	// TODO: Add your control notification handler code here
	addnum(7);
}

void CCalc1Dlg::On1() 
{
	// TODO: Add your control notification handler code here
	//count=count*10+1;
//	UpdateData(TRUE);
	addnum(1);
}

void CCalc1Dlg::On8() 
{
	// TODO: Add your control notification handler code here
	//count=count*10+8;
	addnum(8);
}

void CCalc1Dlg::On9() 
{
	// TODO: Add your control notification handler code here
	addnum(9);
}

void CCalc1Dlg::On4() 
{
	// TODO: Add your control notification handler code here
	addnum(4);
}

void CCalc1Dlg::On5() 
{
	// TODO: Add your control notification handler code here
	addnum(5);
}

void CCalc1Dlg::On6() 
{
	// TODO: Add your control notification handler code here
	addnum(6);
}

void CCalc1Dlg::On2() 
{
	// TODO: Add your control notification handler code here
addnum(2);
}

void CCalc1Dlg::On3() 
{
	// TODO: Add your control notification handler code here
	addnum(3);
}

void CCalc1Dlg::On0() 
{
	// TODO: Add your control notification handler code here
	addnum(0);
}

void CCalc1Dlg::Onzf() 
{
	// TODO: Add your control notification handler code here
	m_input=-m_input;
	UpdateData(FALSE);
	
}

void CCalc1Dlg::Onpoint() 
{
	// TODO: Add your control notification handler code here
	
		m_rex=TRUE;
//	UpdateData(FALSE);
	
}

void CCalc1Dlg::Onbai() 
{
	// TODO: Add your control notification handler code here
	m_op=9;
	calc();
	m_op=0;
	m_numx=0;
	m_rex=FALSE;
}

void CCalc1Dlg::Onx3() 
{
	// TODO: Add your control notification handler code here
	m_op=7;
	calc();
	m_op=0;
	m_numx=0;
	m_rex=FALSE;
}

void CCalc1Dlg::Onx2() 
{
	// TODO: Add your control notification handler code here
	m_op=8;
	calc();
	m_op=0;
	m_numx=0;
	m_rex=FALSE;
}