// zxczxcDlg.cpp : implementation file
//

#include "stdafx.h"
#include "zxczxc.h"
#include "zxczxcDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CZxczxcDlg dialog

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

void CZxczxcDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CZxczxcDlg)
	DDX_Text(pDX, IDC_EDIT2, m_number);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CZxczxcDlg, CDialog)
	//{{AFX_MSG_MAP(CZxczxcDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	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_BUTTON12, OnButton12)
	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_BUTTON17, OnButton17)
	ON_BN_CLICKED(IDC_BUTTON18, OnButton18)
	ON_BN_CLICKED(IDC_BUTTON19, OnButton19)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CZxczxcDlg message handlers

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

void CZxczxcDlg::OnChangeEdit1() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	
}

int dot = 0;
int count = 0;
double operand = 0;
double underdot = 0;

void CZxczxcDlg::AddNum(int num)
{
	if (dot == 0)
	{
		UpdateData(TRUE);

		operand = operand * 10 + num;

		m_number = operand;

		UpdateData(FALSE);
	}
	else if(dot == 1){
		UpdateData(TRUE);
		if(underdot!=0){
			for(int i = 0;i < count;i++){
				underdot *= 10;
			}
		}
		underdot = underdot * 10 + num;

		for(;underdot>=1;){
			underdot /= 10;
		}

		m_number = operand + underdot;

		UpdateData(FALSE);
		count++;
	}
	/*UpdateData(TRUE);

	m_number = m_number * 10 + 1;

	UpdateData(FALSE);*/
}

void CZxczxcDlg::OnButton2() 
{
	// TODO: Add your control notification handler code here
	AddNum(1);
}

void CZxczxcDlg::OnButton3() 
{
	// TODO: Add your control notification handler code here
	AddNum(2);
}

void CZxczxcDlg::OnButton4() 
{
	// TODO: Add your control notification handler code here
	AddNum(3);
}

void CZxczxcDlg::OnButton5() 
{
	// TODO: Add your control notification handler code here
	AddNum(4);
}

void CZxczxcDlg::OnButton6() 
{
	// TODO: Add your control notification handler code here
	AddNum(5);
}

void CZxczxcDlg::OnButton7() 
{
	// TODO: Add your control notification handler code here
	AddNum(6);
}

void CZxczxcDlg::OnButton8() 
{
	// TODO: Add your control notification handler code here
	AddNum(7);
}

void CZxczxcDlg::OnButton9() 
{
	// TODO: Add your control notification handler code here
	AddNum(8);
}

void CZxczxcDlg::OnButton10() 
{
	// TODO: Add your control notification handler code here
	AddNum(9);
}

void CZxczxcDlg::OnButton11() 
{
	// TODO: Add your control notification handler code here
	AddNum(0);
}

double result;
int operatornum;

void CZxczxcDlg::OnButton12() 
{
	// TODO: Add your control notification handler code here
	// +operator
	UpdateData(TRUE);
	result = m_number;
	UpdateData(FALSE);
	operand = 0;
	underdot = 0;
	dot = 0;
	count = 0;
	operatornum = 1;
}

void CZxczxcDlg::OnButton13() 
{
	// TODO: Add your control notification handler code here
	// -operator
	UpdateData(TRUE);
	result = m_number;
	UpdateData(FALSE);
	operand = 0;
	underdot = 0;
	dot = 0;
	count = 0;
	operatornum = 2;
}

void CZxczxcDlg::OnButton14() 
{
	// TODO: Add your control notification handler code here
	// =opertor
	UpdateData(TRUE);
	if(operatornum == 1){
		result = m_number + result;
		m_number = result; 
	}
	else if(operatornum == 2){
		result = result - m_number;
		m_number = result; 
	}
	else if(operatornum == 3){
		result = result * m_number;
		m_number = result; 
	}
	else if(operatornum == 4){
		result = result / m_number;
		m_number = result; 
	}
	UpdateData(FALSE);
	operand = 0;
	underdot = 0;
	dot = 0;
	count = 0;
}

void CZxczxcDlg::OnButton15() 
{
	// TODO: Add your control notification handler code here
	// *operator
	UpdateData(TRUE);
	result = m_number;
	UpdateData(FALSE);
	operand = 0;
	underdot = 0;
	dot = 0;
	count = 0;
	operatornum = 3;
}

void CZxczxcDlg::OnButton16() 
{
	// TODO: Add your control notification handler code here
	// /operator
	UpdateData(TRUE);
	result = m_number;
	UpdateData(FALSE);
	operand = 0;
	underdot = 0;
	dot = 0;
	count = 0;
	operatornum = 4;
}

void CZxczxcDlg::OnButton17() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	m_number = 0;
	operand = 0;
	underdot = 0;
	result = 0;
	dot = 0;
	count = 0;
	UpdateData(FALSE);
}

void CZxczxcDlg::OnButton18() 
{
	// TODO: Add your control notification handler code here
	
	UpdateData(TRUE);

	operand *= -1;

	m_number = operand;

	UpdateData(FALSE);
}

void CZxczxcDlg::OnButton19() 
{
	// TODO: Add your control notification handler code here
	// .operator
	dot = 1;
}