chatdlg.cpp

用MFC做的多人聊天程序

// CHATDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CHAT.h"
#include "CHATDlg.h"
#include<afxsock.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()

/////////////////////////////////////////////////////////////////////////////
// CCHATDlg dialog

CCHATDlg::CCHATDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCHATDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCHATDlg)
		count=0;	// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CCHATDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCHATDlg)
	DDX_Control(pDX, IDSEND, m_send);
	DDX_Control(pDX, IDOK3, m_disconnect);
	DDX_Control(pDX, IDCONNECT, m_connect);
	DDX_Control(pDX, IDC_LIST1, m_list);
	DDX_Control(pDX, IDC_EDIT1, m_edit);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCHATDlg, CDialog)
	//{{AFX_MSG_MAP(CCHATDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDSEND, OnSend)
	ON_BN_CLICKED(IDCONNECT, OnConnect)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCHATDlg message handlers

BOOL CCHATDlg::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
}
 
UINT CCHATDlg::thread(LPVOID v)
{
	char buff[100];
	char array[25][30]={
		"219.245.25.16"
	};
	CSize size;
	size.cx=0;
	size.cy=30;
	int s=1,addcount=0;
	CCHATDlg  *dlg=(CCHATDlg *) AfxGetApp()->GetMainWnd();
	dlg->m_connect.EnableWindow(FALSE);
	dlg->m_disconnect.EnableWindow(TRUE);
	while(connect(dlg->clisock,(sockaddr*)&(dlg->cli),sizeof(dlg->cli))&&dlg->ee!=0)
	{
	dlg->m_edit.SetWindowText("等待.....");
	for(int i=0;i<=65000;i++)
	for(int j=0;j<=200;j++)
	if(addcount==25)
	addcount=0;
	dlg->cli.sin_addr.s_addr=inet_addr(array[addcount++]);
	}
	if(dlg->ee==1)
		dlg->m_list.InsertItem(dlg->count++,"连接成功");
	dlg->m_edit.SetWindowText("");
	dlg->m_send.EnableWindow(TRUE);
	dlg->SetForegroundWindow();
	while(s!=SOCKET_ERROR&&dlg->ee!=0)
	{
		s=recv(dlg->clisock,buff,100,0);
		dlg->SetForegroundWindow();
		if(s!=SOCKET_ERROR&&dlg->ee!=0)
			
		{
			dlg->m_list.InsertItem(dlg->count++,"服务器:");
			dlg->m_list.InsertItem(dlg->count++,buff);
		}
		dlg->m_list.Scroll(size);

	}
	send(dlg->clisock,"Disconnected",100,0);
	dlg->m_send.EnableWindow(FALSE);
	dlg->m_connect.EnableWindow(TRUE);
	dlg->m_disconnect.EnableWindow(FALSE);
	closesocket(dlg->clisock);
	AfxEndThread(0);
	return 0;
}
 
void CCHATDlg::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 CCHATDlg::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 CCHATDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CCHATDlg::OnSend() 
{
	char buff[100];
CSize size;
size.cx=0;
size.cy=0;
m_edit.GetWindowText(buff,99);
m_edit.SetWindowText("");
 m_list.InsertItem(count++,"本人:");
m_list.InsertItem(count++,buff);
m_list.Scroll(size);
send(clisock,buff,100,0);// TODO: Add your control notification handler code here
	
}

void CCHATDlg::OnConnect() 
{
	char ipaddress[35];
	m_edit.GetWindowText(ipaddress,30);
	cli.sin_addr.s_addr=inet_addr(ipaddress);
	cli.sin_family=AF_INET;
	cli.sin_port=5000;
	clisock=socket(AF_INET,SOCK_STREAM,0);
	ee=1;
	AfxBeginThread(thread,0);	// TODO: Add your control notification handler code here
	
}