计数器dlg.cpp

一个数学计算器

// 计数器Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "计数器.h"
#include "计数器Dlg.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()

/////////////////////////////////////////////////////////////////////////////
// CMyDlg dialog

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

void CMyDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMyDlg)
	DDX_Control(pDX, IDC_SCROLLBAR1, m_ScrollBar1);
	DDX_Control(pDX, IDC_SCROLLBAR2, m_ScrollBar2);
	DDX_Control(pDX, IDC_ITEM2_EDIT, m_Item2_Edit);
	DDX_Control(pDX, IDC_ITEM1_EDIT, m_Item1_Edit);
	DDX_Text(pDX, IDC_RESULT_EDIT, m_Result_Edit);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMyDlg, CDialog)
	//{{AFX_MSG_MAP(CMyDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_ADD_BUTTON, OnAddButton)
	ON_BN_CLICKED(IDC_DIFFERENCE_BUTTON, OnDifferenceButton)
	ON_BN_CLICKED(IDC_MULTIPLY_BUTTON, OnMultiplyButton)
	ON_BN_CLICKED(IDC_DEVIDE_BUTTON, OnDevideButton)
	ON_BN_CLICKED(IDC_CLEAR_BUTTON, OnClearButton)
	ON_BN_CLICKED(IDC_EXIT_BUTTON, OnExitButton)
	ON_COMMAND(ID_ADD_MENU, OnAddMenu)
	ON_COMMAND(ID_DIFFERENCE_MENU, OnDifferenceMenu)
	ON_COMMAND(ID_MULTIPLY_MENU, OnMultiplyMenu)
	ON_COMMAND(ID_DEVIDE_MENU, OnDevideMenu)
	ON_COMMAND(ID_ABOUT_MENU, OnAboutMenu)
	ON_COMMAND(ID_EXIT_MENU, OnExitMenu)
	ON_WM_HSCROLL()
	ON_COMMAND(ID_CLEAR_MENU, OnClearMenu)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyDlg message handlers

BOOL CMyDlg::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_ScrollBar1.SetScrollRange(-100,100);
	m_ScrollBar1.SetScrollPos(0);
	char sPos[10];
	itoa(m_ScrollBar1.GetScrollPos(),sPos,10);
	m_Item1_Edit.SetSel(0,-1);
	m_Item1_Edit.ReplaceSel(sPos);
	m_ScrollBar2.SetScrollRange(-100,100);
	m_ScrollBar2.SetScrollPos(0);
	itoa(m_ScrollBar2.GetScrollPos(),sPos,10);
	m_Item2_Edit.SetSel(0,-1);
	m_Item2_Edit.ReplaceSel(sPos);
	UpdateData(FALSE);

	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CMyDlg::OnAddButton() 
{
	// TODO: Add your control notification handler code here
	char cstrItem1[10],cstrItem2[10];
	double dfItem1,dfItem2,dfResult;
	char cBuffer[50];
	m_Item1_Edit.GetWindowText(cstrItem1,10);
	m_Item2_Edit.GetWindowText(cstrItem2,10);
	dfItem1=atof((LPCTSTR)cstrItem1);
	dfItem2=atof((LPCTSTR)cstrItem2);
	dfResult=dfItem1+dfItem2;
	_gcvt(dfResult,10,cBuffer);
	m_Result_Edit=(LPCTSTR)cBuffer;
	UpdateData(FALSE);
	
}

void CMyDlg::OnDifferenceButton() 
{
	// TODO: Add your control notification handler code here
	char cstrItem1[10],cstrItem2[10];
	double dfItem1,dfItem2,dfResult;
	char cBuffer[50];
	m_Item1_Edit.GetWindowText(cstrItem1,10);
	m_Item2_Edit.GetWindowText(cstrItem2,10);
	dfItem1=atof((LPCTSTR)cstrItem1);
	dfItem2=atof((LPCTSTR)cstrItem2);
	dfResult=dfItem1-dfItem2;
	_gcvt(dfResult,10,cBuffer);
	m_Result_Edit=(LPCTSTR)cBuffer;
	UpdateData(FALSE);
	
}

void CMyDlg::OnMultiplyButton() 
{
	// TODO: Add your control notification handler code here
	char cstrItem1[10],cstrItem2[10];
	double dfItem1,dfItem2,dfResult;
	char cBuffer[50];
	m_Item1_Edit.GetWindowText(cstrItem1,10);
	m_Item2_Edit.GetWindowText(cstrItem2,10);
	dfItem1=atof((LPCTSTR)cstrItem1);
	dfItem2=atof((LPCTSTR)cstrItem2);
	dfResult=dfItem1*dfItem2;
	_gcvt(dfResult,10,cBuffer);
	m_Result_Edit=(LPCTSTR)cBuffer;
	UpdateData(FALSE);
	
}

void CMyDlg::OnDevideButton() 
{
	// TODO: Add your control notification handler code here
	char cstrItem1[10],cstrItem2[10];
	double dfItem1,dfItem2,dfResult;
	char cBuffer[50];
	m_Item1_Edit.GetWindowText(cstrItem1,10);
	m_Item2_Edit.GetWindowText(cstrItem2,10);
	dfItem1=atof((LPCTSTR)cstrItem1);
	dfItem2=atof((LPCTSTR)cstrItem2);
	dfResult=dfItem1/dfItem2;
	_gcvt(dfResult,10,cBuffer);
	m_Result_Edit=(LPCTSTR)cBuffer;
	UpdateData(FALSE);
	
}

void CMyDlg::OnClearButton() 
{
	// TODO: Add your control notification handler code here
	m_Item1_Edit.SetSel(0,-1);
	m_Item1_Edit.ReplaceSel("0");
	m_Item2_Edit.SetSel(0,-1);
	m_Item2_Edit.ReplaceSel("0");
	m_Result_Edit="";
	UpdateData(FALSE);
	
}

void CMyDlg::OnExitButton() 
{
	// TODO: Add your control notification handler code here
	OnOK();
	
}

void CMyDlg::OnAddMenu() 
{
	// TODO: Add your command handler code here
	OnAddButton();




	
}

void CMyDlg::OnDifferenceMenu() 
{
	// TODO: Add your command handler code here
	OnDifferenceButton();
	
}

void CMyDlg::OnMultiplyMenu() 
{
	// TODO: Add your command handler code here
	OnMultiplyButton();
	
}

void CMyDlg::OnDevideMenu() 
{
	// TODO: Add your command handler code here
	OnDevideButton();
	
}

void CMyDlg::OnAboutMenu() 
{
	// TODO: Add your command handler code here
	MessageBox("This is a calculate");
	
}

void CMyDlg::OnExitMenu() 
{
	// TODO: Add your command handler code here
	OnOK();
	
}

void CMyDlg::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) 
{
	// TODO: Add your message handler code here and/or call default
	
	char sPos[10];
	int iNowPos;
	if(pScrollBar==&m_ScrollBar1)
	{	
		switch(nSBCode)
		{
		case 	SB_THUMBTRACK:	//当拖动滚动块时
				m_ScrollBar1.SetScrollPos(nPos);
				itoa(nPos,sPos,10);
				m_Item1_Edit.SetSel(0,-1);
				m_Item1_Edit.ReplaceSel(sPos);
				break;
		case		SB_LINEDOWN:		//单击滚动条向右的箭头
				iNowPos=m_ScrollBar1.GetScrollPos();
				iNowPos=iNowPos+1;
				if(iNowPos>100)
					iNowPos=100;
				m_ScrollBar1.SetScrollPos(iNowPos);
				itoa(m_ScrollBar1.GetScrollPos(),sPos,10);
				m_Item1_Edit.SetSel(0,-1);
				m_Item1_Edit.ReplaceSel(sPos);
				break;
		case		SB_LINEUP: 		//单击滚动条向左的箭头
				iNowPos=m_ScrollBar1.GetScrollPos();
				iNowPos=iNowPos-1;
				if(iNowPos<-100)
					iNowPos=-100;
				m_ScrollBar1.SetScrollPos(iNowPos);
				itoa(m_ScrollBar1.GetScrollPos(),sPos,10);
				m_Item1_Edit.SetSel(0,-1);
				m_Item1_Edit.ReplaceSel(sPos);
				break;
		case 	SB_PAGEDOWN: //单击滚动条向右的箭头与滚动块之间的区域
				iNowPos=m_ScrollBar1.GetScrollPos();
				iNowPos=iNowPos+10;
				if(iNowPos>100)
					iNowPos=100;
				m_ScrollBar1.SetScrollPos(iNowPos);
				itoa(m_ScrollBar1.GetScrollPos(),sPos,10);
				m_Item1_Edit.SetSel(0,-1);
				m_Item1_Edit.ReplaceSel(sPos);
				break;
		case 	SB_PAGEUP: //单击滚动条向左的箭头与滚动块之间的区域
				iNowPos=m_ScrollBar1.GetScrollPos();
				iNowPos=iNowPos-10;
				if(iNowPos<-100)
					iNowPos=-100;
				m_ScrollBar1.SetScrollPos(iNowPos);
				itoa(m_ScrollBar1.GetScrollPos(),sPos,10);
				m_Item1_Edit.SetSel(0,-1);
				m_Item1_Edit.ReplaceSel(sPos);
				break;
		}
	}
	if(pScrollBar==&m_ScrollBar2)
	{
		switch(nSBCode)
		{
		case 	SB_THUMBTRACK:
				m_ScrollBar2.SetScrollPos(nPos);
				itoa(nPos,sPos,10);
				m_Item2_Edit.SetSel(0,-1);
				m_Item2_Edit.ReplaceSel(sPos);
				break;
		case 	SB_LINEDOWN:
				iNowPos=m_ScrollBar2.GetScrollPos();
				iNowPos=iNowPos+1;
				if(iNowPos>100)
					iNowPos=100;
				m_ScrollBar2.SetScrollPos(iNowPos);
				itoa(m_ScrollBar2.GetScrollPos(),sPos,10);
				m_Item2_Edit.SetSel(0,-1);
				m_Item2_Edit.ReplaceSel(sPos);
				break;
		case		SB_LINEUP:
				iNowPos=m_ScrollBar2.GetScrollPos();
				iNowPos=iNowPos-1;
				if(iNowPos<-100)
					iNowPos=-100;
				m_ScrollBar2.SetScrollPos(iNowPos);
				itoa(m_ScrollBar2.GetScrollPos(),sPos,10);
				m_Item2_Edit.SetSel(0,-1);
				m_Item2_Edit.ReplaceSel(sPos);
				break;
		case 	SB_PAGEDOWN:
				iNowPos=m_ScrollBar2.GetScrollPos();
				iNowPos=iNowPos+10;
				if(iNowPos>100)
					iNowPos=100;
				m_ScrollBar2.SetScrollPos(iNowPos);
				itoa(m_ScrollBar2.GetScrollPos(),sPos,10);
				m_Item2_Edit.SetSel(0,-1);
				m_Item2_Edit.ReplaceSel(sPos);
				break;
		case 	SB_PAGEUP:
				iNowPos=m_ScrollBar2.GetScrollPos();
				iNowPos=iNowPos-10;
				if(iNowPos<-100)
					iNowPos=-100;
				m_ScrollBar2.SetScrollPos(iNowPos);
				itoa(m_ScrollBar2.GetScrollPos(),sPos,10);
				m_Item2_Edit.SetSel(0,-1);
				m_Item2_Edit.ReplaceSel(sPos);
				break;
			}
	}
	CDialog::OnHScroll(nSBCode, nPos, pScrollBar);

}

void CMyDlg::OnClearMenu() 
{
	// TODO: Add your command handler code here
	OnClearButton();
}