no1dlg.cpp

利用VC++计算器

// no1Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "no1.h"
#include "no1Dlg.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()

/////////////////////////////////////////////////////////////////////////////
// CNo1Dlg dialog

CNo1Dlg::CNo1Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CNo1Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CNo1Dlg)
	m_number = 0.0;
	// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CNo1Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CNo1Dlg)
	DDX_Text(pDX, IDC_EDIT1_PUTOUT, m_number);
		
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CNo1Dlg, CDialog)
	//{{AFX_MSG_MAP(CNo1Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
    ON_WM_QUERYDRAGICON()
	ON_COMMAND_RANGE(IDC_BUTTON1,IDC_BUTTON10,OnNumberKey)
    ON_COMMAND_RANGE(IDC_BUTTON12,IDC_BUTTON18,onOperationKey)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CNo1Dlg message handlers

BOOL CNo1Dlg::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 CNo1Dlg::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 CNo1Dlg::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 CNo1Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}





void CNo1Dlg::cal()
{
  switch(OperationState)   
  {   
  case   1:m_number=(double)number1/number2;NumberState=1;UpdateData(FALSE);break;   //除法的定义
  case   2:m_number=number1*number2;NumberState=1;UpdateData(FALSE);break;           //乘法的定义
  case   3:m_number=number1+number2;NumberState=1;UpdateData(FALSE);break;			//加法的定义
  case   4:m_number=number1-number2;NumberState=1;UpdateData(FALSE);break;			//减法的定义
  }   
  OperationState=0;   
}

void CNo1Dlg::OnNumberKey(UINT nID)
{
  int n=0;         //	初值为0；
  switch(nID)
  {
    case   IDC_BUTTON1:n=1;break;    // 定义BUTTON1号键为1   
    case   IDC_BUTTON2:n=2;break;    //定义BUTTON2号键为2
    case   IDC_BUTTON3:n=3;break;    //定义BUTTON4号键为3
    case   IDC_BUTTON4:n=4;break;    //定义BUTTON4号键为4
    case   IDC_BUTTON5:n=5;break;    //定义BUTTON5号键为5
    case   IDC_BUTTON6:n=6;break;    //定义BUTTON6号键为6
    case   IDC_BUTTON7:n=7;break;    //定义BUTTON7号键为7
    case   IDC_BUTTON8:n=8;break;    //定义BUTTON8号键为8
    case   IDC_BUTTON9:n=9;break;    //定义BUTTON9号键为9
    case   IDC_BUTTON10:n=0;break;   //定义BUTTON0号键为0

  }
  if(NumberState==1)   
  {   
  m_number=m_number*10+n;   
                  number1=m_number;   
  UpdateData(FALSE);   
  }   
  else   
  {   
  m_number=m_number*10+n;   
  number2=m_number;   
  UpdateData(FALSE);   
  }   

}

void CNo1Dlg::onOperationKey(UINT nID)
{
   switch(nID)   
  {   
                                   
     case   IDC_BUTTON12:m_number=(int)m_number/10;   //删除键的定义
        if(NumberState==1)   
          number1=m_number;   
        else   number2=m_number;   
        UpdateData(FALSE);   
     break;                 
     case   IDC_BUTTON13:OperationState=1;m_number=0;UpdateData(FALSE);NumberState=2;break;    //定义BUTTON13为除法号 利用上面OPERATIONSTATE1定义实行运算
     case   IDC_BUTTON14:OperationState=2;m_number=0;UpdateData(FALSE);NumberState=2;break;    //定义BUTTON14为乘法号 利用上面OPERATIONSTATE2定义实行运算
     case   IDC_BUTTON15:OperationState=3;m_number=0;UpdateData(FALSE);NumberState=2;break;   //定义BUTTON15为加法号 利用上面OPERATIONSTATE3定义实行运算
     case   IDC_BUTTON16:OperationState=4;m_number=0;UpdateData(FALSE);NumberState=2;break;   //定义BUTTON16为减法号 利用上面OPERATIONSTATE4定义实行运算
     case   IDC_BUTTON17:number1=number2=m_number=0;UpdateData(FALSE);NumberState=1;break;   //定义BUTTON17 为刷新回零键
     case   IDC_BUTTON18:cal();break;                                                           //定义BUTTON19为等号 
  }   

}