chatdlg.cpp

计算机网络的实验报告和源码,包含聊天软件的源玛

// chatDlg.cpp : implementation file
//

#include "stdafx.h"
#include "chat.h"
#include "chatDlg.h"
#include "login.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)
	m_send = _T("");
	m_read = _T("");
	m_me = _T("");
	//}}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, IDC_LIST1, m_list1);
	DDX_Control(pDX, IDC_COMBO1, m_list);
	DDX_Text(pDX, IDC_EDIT_SEND, m_send);
	DDX_Text(pDX, IDC_EDIT_RECV, m_read);
	DDX_Text(pDX, IDC_EDIT3, m_me);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CChatDlg, CDialog)
	//{{AFX_MSG_MAP(CChatDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_MESSAGE(WM_SOCKET_READ, OnRead)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CChatDlg message handlers

BOOL CChatDlg::OnInitDialog()
{   //初始化登陆过程
	CDialog::OnInitDialog();
	login dlg;
	int nResponse=dlg.DoModal();
	if (nResponse == IDOK)
	{
		 unsigned long ulAddress;
		 SOCKADDR_IN sin;
		 ulAddress=inet_addr(dlg.m_ip);//字符型服务器地址
		 m_name=dlg.m_name;
		 //连接服务器
		sockServer=socket(AF_INET,SOCK_STREAM,0);
		sin.sin_family=AF_INET;
		sin.sin_addr.s_addr=ulAddress;
		sin.sin_port=htons(4009);
		int nConnect=connect(sockServer, (LPSOCKADDR)&sin, sizeof(struct sockaddr)); 
		// 通知套接口有请求事件发生
		WSAAsyncSelect(sockServer,m_hWnd,WM_SOCKET_READ,FD_READ);
		if(nConnect== -1)
		{	
			MessageBox("连接过程发生错误！\n请确保IP输入正确无误！",NULL,MB_OK);
			CDialog::OnCancel();
		}
		else
		{   
			MessageBox("与服务器建立连接成功！",NULL,MB_OK);
			info myinfo;  
			myinfo.type=0;
			LPCTSTR p=m_name;
			memcpy(myinfo.name,p,m_name.GetLength()+1);
			//发送数据
			int nCharSend=send(sockServer,(char*)&myinfo,sizeof(myinfo),0);
			if(nCharSend==SOCKET_ERROR)
			MessageBox("发送过程中发生一个错误！",NULL,MB_OK);
		}
				
	}
	//初始化取消过程
	if (nResponse == IDCANCEL)
	{
		CDialog::OnCancel();
	}
     
	
	// 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 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::OnCancel() 
{
	// TODO: Add extra cleanup here
	
	CDialog::OnCancel();
}

void CChatDlg::OnOK() 
{   //显示登陆的时间
    CTime t=CTime::GetCurrentTime();
	CString strTime="(%m-%d %H:%M:%S)";
	strTime=t.Format(strTime);
	UpdateData();
	info sendinfo;
	//给XX发送信息
	m_list.GetLBText(m_list.GetCurSel(),toname);
	if(toname=="大家")  //发送公共信息
		{
			sendinfo.type=1;
			m_read=m_read+"\r\n"+strTime+"你对大家说："+m_send;
			m_send=strTime+m_name+"对大家说:"+m_send;
		}
	else
		{   
			sendinfo.type=2;  //给某人发信息
			LPCTSTR q=toname;
			memcpy(sendinfo.name,q,toname.GetLength()+1);
			m_read=m_read+"\r\n"+strTime+"你对"+toname+"说："+m_send;
			m_send=strTime+m_name+"对你说:"+m_send;
		}

    LPCTSTR s=m_send;
	memcpy(sendinfo.msg,s,m_send.GetLength()+1);
	//发送信息
    int nCharSend=send(sockServer,(char*)&sendinfo,sizeof(sendinfo),0);
	if(nCharSend==SOCKET_ERROR)
	MessageBox("发送过程中发生一个错误！",NULL,MB_OK);
	m_send="";
	UpdateData(FALSE);
	GetDlgItem(IDC_EDIT_SEND)->SetFocus();


}
LRESULT CChatDlg::OnRead(WPARAM wParam, LPARAM lParam)
{
    int BReads;
	info reinfo;
	//接受数据
    BReads = recv(sockServer, (char*)&reinfo, sizeof(reinfo), 0);
    if (BReads == SOCKET_ERROR)
		MessageBox("接收到一个错误信息！");
	switch(reinfo.type)
	{ 
	case 1:	 //对大家
		m_read=m_read+"\r\n"+reinfo.msg;
		UpdateData(FALSE);
		break;
    case 2:  //对某人
        m_read=m_read+"\r\n"+reinfo.msg;
        UpdateData(FALSE);
		break;
	case 0:	 //添加新进入者
        m_list.AddString(reinfo.name);
        m_list1.AddString(reinfo.name);
        m_read=m_read+"\r\n"+reinfo.msg;
        UpdateData(FALSE);
        break;
    case 3:  //删除退出者
		m_list.DeleteString(m_list.FindString(1,reinfo.name));
	    m_list1.DeleteString(m_list1.FindString(1,reinfo.name));
		break;
    
	}
	
		CEdit *pEdit;
		pEdit=(CEdit *)GetDlgItem(IDC_EDIT_RECV);
		int i=pEdit->GetLineCount();
		pEdit->LineScroll(i,0);   
		return 0; 
}