xycalcdlg.cpp

这是书上的代码

// XYCALCDlg.cpp : implementation file
//
//written by  熊英
#include "stdafx.h"
#include "XYCALC.h"
#include "XYCALCDlg.h"
#include "iostream.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#include <math.h>
#include <dos.h>
#include <direct.h>
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

const COLORREF LTGRAY = RGB(192, 192, 192);
const COLORREF RED = RGB(255, 0, 0);
const COLORREF BLUE = RGB(0, 0, 255);
const COLORREF DKGRAY = RGB(128, 128, 128);

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:
	virtual BOOL OnInitDialog();
	//{{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)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CXYCALCDlg dialog

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

void CXYCALCDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CXYCALCDlg)
	DDX_Control(pDX, IDC_EDIT1, m_editinia);
	DDX_Text(pDX, IDC_EDIT1, m_string);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CXYCALCDlg, CDialog)
	//{{AFX_MSG_MAP(CXYCALCDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_DESTROY()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
    ON_BN_CLICKED(ID_BUTTON1, Ondevide)
	ON_BN_CLICKED(ID_BUTTON2, Ontimes)
	ON_BN_CLICKED(ID_BUTTON3, Onminus)
	ON_BN_CLICKED(ID_BUTTON4, Onplus)
	ON_BN_CLICKED(ID_BUTTON5, Onsqrt)
	ON_BN_CLICKED(ID_BUTTON6, Onpercent)
	ON_BN_CLICKED(ID_BUTTON7, Ondaoshu)
	ON_BN_CLICKED(ID_BUTTON8, Onequal)
	ON_BN_CLICKED(ID_10, Onzhengfu)
	ON_BN_CLICKED(ID_11, Onpoint)
	ON_BN_CLICKED(IDC_BUTTON2, Onbackspaces)
	ON_BN_CLICKED(IDC_BUTTON1, Onclear)
	ON_BN_CLICKED(IDC_MC, OnMc)
	ON_BN_CLICKED(IDC_MS, OnMs)
	ON_BN_CLICKED(IDC_MADD, OnMadd)
	ON_BN_CLICKED(IDC_MR, OnMr)
    ON_COMMAND(ID_MENUITEM32776, OnMenuitem32776)
	ON_COMMAND(ID_MENUITEM32774, OnMenuitem32774)
	ON_COMMAND(ID_MENUcopy, OnMENUcopy)
	ON_COMMAND(ID_MENUpaste, OnMENUpaste)
	ON_EN_CHANGE(IDC_EDIT1, OnChangeEdit1)
	ON_WM_CTLCOLOR()
	ON_WM_CLOSE()
	ON_COMMAND_RANGE(ID_0, ID_9, OnClickedNumber)
	ON_BN_CLICKED(IDCANCEL1, OnCancel1)
	ON_COMMAND(ID_HELP_CONTENTS, OnHelpContents)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CXYCALCDlg message handlers
void CXYCALCDlg::addtip()
{
	m_toolTip.Create( this );
	CStringArray straInfo;

	straInfo.RemoveAll();
	straInfo.Add( "将数字放入计算器的显示区" );
int i=0;
for(i=0;i<10;i++)
	m_toolTip.AddControlInfo( ID_0+i, straInfo  );

	straInfo.RemoveAll();
	straInfo.Add( "清除存储区中的所有数值" );
	m_toolTip.AddControlInfo( IDC_MC, straInfo );

	straInfo.RemoveAll();
	straInfo.Add( "重新调用存储区中的数值，" );
	straInfo.Add("调出的数值仍然保存在存储区中 ");
	m_toolTip.AddControlInfo( IDC_MR, straInfo );

	straInfo.RemoveAll();
	straInfo.Add( "将显示的数值放入存储区中" );
	m_toolTip.AddControlInfo( IDC_MS, straInfo );

	straInfo.RemoveAll();
	straInfo.Add( "将显示的数值与存储区中的数值相加" );
	m_toolTip.AddControlInfo( IDC_MADD, straInfo );

	straInfo.RemoveAll();
	straInfo.Add( "改变显示数值的正负号" );
	m_toolTip.AddControlInfo( ID_10, straInfo );

	straInfo.RemoveAll();
	straInfo.Add( "小数点" );
	m_toolTip.AddControlInfo( ID_11, straInfo );

	straInfo.RemoveAll();
	straInfo.Add( "除法" );
	m_toolTip.AddControlInfo( ID_BUTTON1, straInfo );

	straInfo.RemoveAll();
	straInfo.Add( "乘法" );
	m_toolTip.AddControlInfo( ID_BUTTON2, straInfo );

	straInfo.RemoveAll();
	straInfo.Add( "减法" );
	m_toolTip.AddControlInfo( ID_BUTTON3, straInfo );

	straInfo.RemoveAll();
	straInfo.Add( "加法" );
	m_toolTip.AddControlInfo( ID_BUTTON4, straInfo );

	straInfo.RemoveAll();
	straInfo.Add( "计算显示数值的平方根" );
	m_toolTip.AddControlInfo( ID_BUTTON5, straInfo );

	straInfo.RemoveAll();
	straInfo.Add( "按百分比的形式显示数值" );
	m_toolTip.AddControlInfo( ID_BUTTON6, straInfo );

	straInfo.RemoveAll();
	straInfo.Add( "计算当前显示数值的倒数" );
	m_toolTip.AddControlInfo( ID_BUTTON7, straInfo );

	straInfo.RemoveAll();
	straInfo.Add( "完成对上两个数的任意操作" );
	m_toolTip.AddControlInfo( ID_BUTTON8, straInfo );

	straInfo.RemoveAll();
	straInfo.Add( "清除当前计算" );
	m_toolTip.AddControlInfo( IDC_BUTTON1, straInfo );
	
	straInfo.RemoveAll();
	straInfo.Add( "删除当前显示数值的最后一位" );
	m_toolTip.AddControlInfo( IDC_BUTTON2, straInfo );

	straInfo.RemoveAll();
	straInfo.Add( "清除当前显示的数值" );
	m_toolTip.AddControlInfo( IDCANCEL1, straInfo );

	straInfo.RemoveAll();
	straInfo.Add( "一旦数据存储到存储区后，就显示M" );
	m_toolTip.AddControlInfo( IDC_EDIT2, straInfo );
	}

BOOL CXYCALCDlg::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
	buttoncolor( );
	GetDlgItem(IDC_EDIT1)->SetFocus( );
    Onclear( );
    addtip( );
/*	m_toolTip.Create( this );
	CStringArray straInfo;

	straInfo.RemoveAll();
	straInfo.Add( "Remove My Tooltip" );
	m_toolTip.AddControlInfo( ID_7, straInfo, RGB(255,0,0), RGB(255,255,255) );

	straInfo.RemoveAll();
	straInfo.Add( "Cancel Button Control" );
	m_toolTip.AddControlInfo( IDC_MC, straInfo, RGB(0,255,0) );

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

void CXYCALCDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

void CXYCALCDlg::OnDestroy()
{
	WinHelp(0L, HELP_QUIT);
	CDialog::OnDestroy();
}

// 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 CXYCALCDlg::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 CXYCALCDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CXYCALCDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	CDialog::OnCancel();
}
void CXYCALCDlg::OnCancel1() 
{
	// TODO: Add your control notification handler code here
    Onclear();	
	
}

void CXYCALCDlg::Ondevide() 
{
	// TODO: Add your control notification handler code here
	perform( );
	m_operator=OpDivide;
}

void CXYCALCDlg::Ontimes() 
{
	// TODO: Add your control notification handler code here
	perform( );
	m_operator = OpMultiply;
}

void CXYCALCDlg::Onminus() 
{
	// TODO: Add your control notification handler code here
	perform( );
	m_operator = OpSubtract;

}

void CXYCALCDlg::Onplus() 
{
	// TODO: Add your control notification handler code here
//GetDlgItem(IDC_EDIT1)->SetFocus( );
	perform( );
	m_operator = OpAdd;
}

void CXYCALCDlg::Onsqrt() 
{
	// TODO: Add your control notification handler code here
	m_operator=OpSqrt;
	perform( );
	m_operator=OpNone;
}

void CXYCALCDlg::Onpercent() 
{
	// TODO: Add your control notification handler code here
	
	
	if(m_operator==OpMultiply)
	{    	
		m_accum=m_accum*m_operand/100.0;
		m_operavail=FALSE;
	    updatedisp( );
	
	}
	 if(m_operator==OpDivide)
	{
		m_accum/=m_operand;
	    m_accum/=100.0;
		m_operavail=FALSE;
    	updatedisp( );
	  // m_operator=OpDivide;
	 }
    if(m_operator==OpAdd)
	 {  m_operand=m_operand*m_accum/100.0;
        updatedisp( );
		m_operator=OpAdd;}
    if (m_operator==OpSubtract)
	{   m_operand=m_operand*m_accum/100.0;
         updatedisp( );
		 m_operator=OpSubtract;
	}

}
void CXYCALCDlg::Ondaoshu() 
{
	// TODO: Add your control notification handler code here
	if((m_operavail)&&(m_operand))
		m_operand=1.0/m_operand;
	 else
		 m_accum=1.0/m_accum;
	 updatedisp( );
}

void CXYCALCDlg::Onequal() 
{
	// TODO: Add your control notification handler code here
	perform( );
	m_operator = OpNone;
}