www.gusucode.com > VC++ Calculator计算器源代码-源码程序 > VC++ Calculator计算器源代码-源码程序/code/CalculatorDlg.cpp

    // CalculatorDlg.cpp : implementation file
// download by http://www.NewXing.com

#include "stdafx.h"
#include "Calculator.h"
#include "CalculatorDlg.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()

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

CCalculatorDlg::CCalculatorDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCalculatorDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCalculatorDlg)
	m_Result = 0.0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	m_Operator = ' ';
	m_bCalc = FALSE;
}

void CCalculatorDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCalculatorDlg)
	DDX_Text(pDX, IDC_EDIT1, m_Result);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCalculatorDlg, CDialog)
	//{{AFX_MSG_MAP(CCalculatorDlg)
	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_BUTTON11, OnButton11)
	ON_BN_CLICKED(IDC_BUTTON13, OnButton13)
	ON_BN_CLICKED(IDC_BUTTON14, OnButton14)
	ON_BN_CLICKED(IDC_BUTTON15, OnButton15)
	ON_BN_CLICKED(IDC_BUTTON16, OnButton16)
	ON_BN_CLICKED(IDC_BUTTON12, OnButton12)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCalculatorDlg message handlers

BOOL CCalculatorDlg::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
	m_Num = 0;
	m_Time = TRUE;
	//m_num2 = 0;
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CCalculatorDlg::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 CCalculatorDlg::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 CCalculatorDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CCalculatorDlg::OnButton1() 
{
	//TODO: Add your control notification handler code here
	UpdateData(TRUE);
	if (m_Operator == ' ')
	{
		m_Result = m_Result * 10 + 1;
		m_Num = m_Result;
	}
	else
	{
		if (m_bCalc == FALSE)
		{
			m_Result = 0;
		}
		m_bCalc = TRUE;
		m_Result = m_Result * 10 + 1;
	}
	UpdateData(FALSE);
}

void CCalculatorDlg::OnButton2() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	if (m_Operator == ' ')
	{
		m_Result = m_Result * 10 + 2;
		m_Num = m_Result;
	}
	else
	{
		if (m_bCalc == FALSE)
		{
			m_Result = 0;
		}
		m_bCalc = TRUE;
		m_Result = m_Result * 10 + 2;
	}
	UpdateData(FALSE);	
}

void CCalculatorDlg::OnButton3() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	if (m_Operator == ' ')
	{
		m_Result = m_Result * 10 + 3;
		m_Num = m_Result;
	}
	else
	{
		if (m_bCalc == FALSE)
		{
			m_Result = 0;
		}
		m_bCalc = TRUE;
		m_Result = m_Result * 10 + 3;
	}
	UpdateData(FALSE);
}

void CCalculatorDlg::OnButton4() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	if (m_Operator == ' ')
	{
		m_Result = m_Result * 10 + 4;
		m_Num = m_Result;
	}
	else
	{
		if (m_bCalc == FALSE)
		{
			m_Result = 0;
		}
		m_bCalc = TRUE;
		m_Result = m_Result * 10 + 4;
	}
	UpdateData(FALSE);
}

void CCalculatorDlg::OnButton5() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	if (m_Operator == ' ')
	{
		m_Result = m_Result * 10 + 5;
		m_Num = m_Result;
	}
	else
	{
		if (m_bCalc == FALSE)
		{
			m_Result = 0;
		}
		m_bCalc = TRUE;
		m_Result = m_Result * 10 + 5;
	}
	UpdateData(FALSE);
}

void CCalculatorDlg::OnButton6() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	if (m_Operator == ' ')
	{
		m_Result = m_Result * 10 + 6;
		m_Num = m_Result;
	}
	else
	{
		if (m_bCalc == FALSE)
		{
			m_Result = 0;
		}
		m_bCalc = TRUE;
		m_Result = m_Result * 10 + 6;
	}
	UpdateData(FALSE);
}

void CCalculatorDlg::OnButton7() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	if (m_Operator == ' ')
	{
		m_Result = m_Result * 10 + 7;
		m_Num = m_Result;
	}
	else
	{
		if (m_bCalc == FALSE)
		{
			m_Result = 0;
		}
		m_bCalc = TRUE;
		m_Result = m_Result * 10 + 7;
	}
	UpdateData(FALSE);
}

void CCalculatorDlg::OnButton8() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	if (m_Operator == ' ')
	{
		m_Result = m_Result * 10 + 8;
		m_Num = m_Result;
	}
	else
	{
		if (m_bCalc == FALSE)
		{
			m_Result = 0;
		}
		m_bCalc = TRUE;
		m_Result = m_Result * 10 + 8;
	}
	UpdateData(FALSE);
}

void CCalculatorDlg::OnButton9() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	if (m_Operator == ' ')
	{
		m_Result = m_Result * 10 + 9;
		m_Num = m_Result;
	}
	else
	{
		if (m_bCalc == FALSE)
		{
			m_Result = 0;
		}
		m_bCalc = TRUE;
		m_Result = m_Result * 10 + 9;
	}
	UpdateData(FALSE);

}

void CCalculatorDlg::OnButton10() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	if (m_Operator == ' ')
	{
		m_Result = m_Result * 10 ;
		m_Num = m_Result;
	}
	else
	{
		if (m_bCalc == FALSE)
		{
			m_Result = 0;
		}
		m_bCalc = TRUE;
		m_Result = m_Result * 10;
	}
	UpdateData(FALSE);
}

void CCalculatorDlg::OnButton11() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	m_Result = 0;
	m_Num = 0;
	m_Operator = ' ';
	m_bCalc = FALSE;
	UpdateData(FALSE);
}

void CCalculatorDlg::OnButton13() 
{
	// TODO: Add your control notification handler code here
	if (m_Operator != ' ' && m_bCalc == TRUE)
	{
		Count();
	}
	m_Operator = '+';
	m_bCalc = FALSE;
}

void CCalculatorDlg::OnButton14() 
{
	// TODO: Add your control notification handler code here
	if (m_Operator != ' ' && m_bCalc == TRUE)
	{
		Count();
	}
	m_Operator = '-';
	m_bCalc = FALSE;
}

void CCalculatorDlg::OnButton15() 
{
	// TODO: Add your control notification handler code here
	if (m_Operator != ' ' && m_bCalc == TRUE)
	{
		Count();
	}
	m_Operator = '*';
	m_bCalc = FALSE;
}

void CCalculatorDlg::OnButton16() 
{
	// TODO: Add your control notification handler code here
	if (m_Operator != ' ' && m_bCalc == TRUE)
	{
		Count();
	}
	m_Operator = '/';
	m_bCalc = FALSE;
}

void CCalculatorDlg::Count()
{
	UpdateData(TRUE);
	switch(m_Operator)
	{
	case '+':
		m_Num += m_Result;
		break;
	case '-':
		m_Num -= m_Result;
		break;
	case '*':
		m_Num *= m_Result;
		break;
	case '/':
		if(m_Result == 0)
		{
			MessageBox("除数不能为0");
			return;
		}
		m_Num /= m_Result;
		break;
	default:
		m_Num = m_Result;
		break;
	}
	m_Result = m_Num;
	m_Operator = ' '; 
	m_bCalc = FALSE;
	UpdateData(FALSE);
}

void CCalculatorDlg::OnButton12() 
{
	if (m_bCalc == TRUE)
	{
		Count();
	}
}


void CCalculatorDlg::Calc()
{
	UpdateData(TRUE);
	switch(m_Operator)
	{
	case '+':
		m_Num += m_Result;
		break;
	case '-':
		m_Num -= m_Result;
		break;
	case '*':
		m_Num *= m_Result;
		break;
	case '/':
		if(m_Result == 0)
		{
			MessageBox("除数不能为0");
			return;
		}
		m_Num /= m_Result;
		break;
	default:
		m_Num = m_Result;
		break;
	}
//	m_Operator = ' '; 
//	m_bCalc = FALSE;
}