// xudan1Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "xudan1.h"
#include "xudan1Dlg.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)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CXudan1Dlg dialog

CXudan1Dlg::CXudan1Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CXudan1Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CXudan1Dlg)
	m_C = _T("");
	m_A = 0.0;
	m_B = 0.0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CXudan1Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CXudan1Dlg)
	DDX_Text(pDX, IDC_EDIT_JIEGUO, m_C);
	DDX_Text(pDX, IDC_EDIT_SHU1, m_A);
	DDX_Text(pDX, IDC_EDIT_SHU2, m_B);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CXudan1Dlg, CDialog)
	//{{AFX_MSG_MAP(CXudan1Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_ADD, OnAdd)
	ON_BN_CLICKED(IDC_COS, OnCos)
	ON_BN_CLICKED(IDC_DIV, OnDiv)
	ON_BN_CLICKED(IDC_LOG, OnLog)
	ON_BN_CLICKED(IDC_MUL, OnMul)
	ON_BN_CLICKED(IDC_POW, OnPow)
	ON_BN_CLICKED(IDC_RESET, OnReset)
	ON_BN_CLICKED(IDC_SIN, OnSin)
	ON_BN_CLICKED(IDC_SUB, OnSub)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CXudan1Dlg message handlers

BOOL CXudan1Dlg::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 CXudan1Dlg::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 CXudan1Dlg::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 CXudan1Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CXudan1Dlg::OnAdd() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	double i=m_A+m_B;
	m_C.Format("%5.4f",i);
	UpdateData(FALSE);
}

void CXudan1Dlg::OnCos() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	double i=cos(m_A);
	m_B=0;
	m_C.Format("%5.4f",i);
	UpdateData(FALSE);
}

void CXudan1Dlg::OnDiv() 
{
	// TODO: Add your control notification handler code here
	UpdateData(true);
	double i=m_A/m_B;
	if(m_B==0)
	{	AfxMessageBox("分母不能為零");
	return;}
	m_C.Format("%5.4f",i);
	UpdateData(FALSE);
}

void CXudan1Dlg::OnLog() 
{
	// TODO: Add your control notification handler code here
    UpdateData(TRUE);
	double i=log(m_A);
	m_B=0;
	m_C.Format("%5.4f",i);
	UpdateData(FALSE);
	
}

void CXudan1Dlg::OnMul() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	double i=m_A*m_B;
	m_C.Format("%5.4f",i);
	UpdateData(FALSE);
}

void CXudan1Dlg::OnPow() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	double i=pow(m_A,m_B);
	m_C.Format("%5.4f",i);
	UpdateData(FALSE);
}

void CXudan1Dlg::OnReset() 
{
	// TODO: Add your control notification handler code here
	m_A=0;
	m_B=0;
	m_C.Format("%d",0);
	UpdateData(FALSE);
	
}

void CXudan1Dlg::OnSin() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	double i=sin(m_A);
	m_B=0;
	m_C.Format("%5.4f",i);
	UpdateData(FALSE);
}

void CXudan1Dlg::OnSub() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	double i=m_A-m_B;
	m_C.Format("%5.4f",i);
	UpdateData(FALSE);
	
}