charstatisticdlg.cpp

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// CharStatisticDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CharStatistic.h"
#include "CharStatisticDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CCharStatisticDlg dialog

CCharStatisticDlg::CCharStatisticDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCharStatisticDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCharStatisticDlg)
	m_strTxt = _T("");
	m_strChinese = _T("中文字符数：");
	m_strEnglish = _T("英文字符数：");
	m_strTotal = _T("总共字符数：");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CCharStatisticDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCharStatisticDlg)
	DDX_Text(pDX, IDC_EDIT1, m_strTxt);
	DDX_Text(pDX, IDC_CHINESE, m_strChinese);
	DDX_Text(pDX, IDC_ENGLISH, m_strEnglish);
	DDX_Text(pDX, IDC_TOTAL, m_strTotal);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCharStatisticDlg, CDialog)
	//{{AFX_MSG_MAP(CCharStatisticDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_STATISTIC, OnStatistic)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCharStatisticDlg message handlers

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

void CCharStatisticDlg::OnStatistic() 
{
	UpdateData(TRUE);
	//获得字符串按字节数计算的长度
	int Lenth = m_strTxt.GetLength();
	int nELenth = 0;	//英文字符数
	int nCLenth = 0;	//中文字符数
	int nTotalLenth = 0;//总共字符数
	for(int i=0;i<Lenth;i++)
	{
		char c = m_strTxt.GetAt(i);
		//是中文字符
		if(c<0||c>255)
			continue;
		//是英文字符
		else 
			nELenth ++;
	}
	//计算中文字符数，每个中文字符占两个字节
	nCLenth = (Lenth-nELenth)/2;

	nTotalLenth = nCLenth + nELenth;
	m_strTotal.Format("总共字符数：%d",nTotalLenth);
	m_strEnglish.Format("英文字符数：%d",nELenth);
	m_strChinese.Format("中文字符数：%d",nCLenth);
	UpdateData(FALSE);
}