clientdlg.cpp

用VC完成的一个聊天系统

// ClientDlg.cpp : implementation file
// Download by http://www.codefans.net

#include "stdafx.h"
#include "Client.h"
#include "ClientDlg.h"
#include "LoadDlg.h"
#include "ChatSocket.h"
#include "Msg.h"
#include "UserInforDlg.h"
//#include "fstream.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()

/////////////////////////////////////////////////////////////////////////////
// CClientDlg dialog

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

void CClientDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CClientDlg)
	DDX_Control(pDX, IDOK, m_ok);
	DDX_Control(pDX, IDC_STATIC_USERNUMBER, m_peoNumber);
	DDX_Control(pDX, IDC_STATIC_TIME, m_time);
	DDX_Control(pDX, IDCANCEL, m_exit);
	DDX_Control(pDX, IDC_LIST_USER, m_listUser);
	DDX_Control(pDX, IDC_LIST_OWN, m_listOwn);
	DDX_Control(pDX, IDC_LIST_MSG, m_listMsg);
	DDX_Control(pDX, IDC_COMBO_WHO, m_comboTo);
	DDX_Control(pDX, IDC_BUTTON_USERINFO, m_buttonInfo);
	DDX_Control(pDX, IDC_BUTTON_SEND, m_buttonSend);
	DDX_Control(pDX, IDC_BUTTON_REGISTER, m_buttonRegister);
	DDX_Control(pDX, IDC_BUTTON_LOAD, m_buttonLoad);
	DDX_Control(pDX, IDC_BUTTON_CHANGE, m_buttonChange);
	DDX_CBString(pDX, IDC_COMBO_WHO, m_comboWho);
	DDX_Text(pDX, IDC_EDIT_MSG, m_editMsg);
	DDX_LBString(pDX, IDC_LIST_USER, m_userName);
	DDX_Text(pDX, IDC_EDIT_IPADD, m_ipAddress);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CClientDlg, CDialog)
	//{{AFX_MSG_MAP(CClientDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_LOAD, OnButtonLoad)
	ON_BN_CLICKED(IDC_BUTTON_SEND, OnButtonSend)
	ON_BN_CLICKED(IDC_BUTTON_CHANGE, OnButtonChange)
	ON_BN_CLICKED(IDC_BUTTON_USERINFO, OnButtonUserinfo)
	ON_LBN_SELCHANGE(IDC_LIST_USER, OnSelchangeListUser)
	ON_WM_TIMER()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CClientDlg message handlers

BOOL CClientDlg::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
   
//	CMsg a(m_editMsg);
//	a.WhatType();

	
    m_comboTo.SetCurSel(0);
	m_userInforDlg=new CUserInforDlg(this);
	this->SetTimer(1,1000,NULL);
//	userNumber=0;
	// TODO: Add extra initialization here
	GetDlgItem(IDC_LIST_OWN)->EnableWindow(FALSE);
	GetDlgItem(IDC_LIST_MSG)->EnableWindow(FALSE);
	GetDlgItem(IDC_LIST_USER)->EnableWindow(FALSE);
	GetDlgItem(IDC_LIST_OWN)->EnableWindow(FALSE);
	GetDlgItem(IDC_BUTTON_SEND)->EnableWindow(FALSE);
	GetDlgItem(IDC_BUTTON_USERINFO)->EnableWindow(FALSE);
	GetDlgItem(IDC_EDIT_MSG)->EnableWindow(FALSE);
	GetDlgItem(IDC_COMBO_WHO)->EnableWindow(FALSE);
	GetDlgItem(IDC_EDIT_IPADD)->EnableWindow(FALSE);
	this->m_IpAddress=this->m_ipAddress;
	if(m_IpAddress.IsEmpty())
	{
		m_IpAddress=_T("localhost");
	}

	

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

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

void CClientDlg::OnButtonLoad() 
{

	//while(true)
	//{

		m_loadDlg=new CLoadDlg();
		if(m_loadDlg->DoModal()==IDOK)
		{
			//if(!m_loadDlg->m_user.IsEmpty())
			m_nameCopy=m_userInforDlg->m_userName=m_loadDlg->m_user;
			UpdateData(TRUE);
			if(!m_loadDlg->m_user.IsEmpty())
			{
			     if(ConnectSocket(m_IpAddress,8000))
				 {
				    
					CString preStr=this->BulidLoadMsg();
					SendMsg(preStr);
				    GetDlgItem(IDC_EDIT_IPADD)->EnableWindow(FALSE);
		            GetDlgItem(IDOK)->EnableWindow(FALSE);
					
				 }
	             else
				 {
		              AfxMessageBox("连接服务器失败!");
				 }
			}

		}
	
}


BOOL CClientDlg::ConnectSocket(LPCTSTR lpszAddress,UINT nPort)
{
	m_pSocket=new CChatSocket(this);
	if(!m_pSocket->Create())
	{
		delete m_pSocket;
		m_pSocket=NULL;
		AfxMessageBox("套接字错误!");
		return FALSE;
	}
	while(!m_pSocket->Connect(lpszAddress,nPort))
	{
		if(AfxMessageBox("无法连接服务器!\n重新连接?",MB_YESNO)==IDNO)
		{
			delete m_pSocket;
			m_pSocket=NULL;
			return FALSE;
		}

	}
	return TRUE;

}

void CClientDlg::OnButtonSend() 
{
	UpdateData(TRUE);

	if(m_editMsg.IsEmpty())
	{
		AfxMessageBox("不能发送空消息");
	}
	else
	{

		CString preStr="我  对  "+this->m_comboWho+" 说 :"+m_editMsg;
        preStr=AddTimeMsg(preStr);
		m_listOwn.AddString(preStr);


		CString pre=BuildNomalMsg(m_editMsg);
		SendMsg(pre);
	}
		
}



void CClientDlg::SendMsg(CString& strText)
{

		int nLen;
	    int nSent;
	//	strText=BuildNomalMsg(strText);
		nLen=strText.GetLength();
//	    m_editMsg=strText;
		nSent=m_pSocket->Send(LPCTSTR(strText),nLen);
		if(nSent!=SOCKET_ERROR)
		{
		//	m_listMsg.AddString(strText);

			UpdateData(FALSE);
		}
		else
		{
			AfxMessageBox("消息发送错误!");
		}
		m_editMsg.Empty();
		UpdateData(FALSE);

	}


void CClientDlg::OnReceive(CChatSocket* pSocket)
{

	char *pBuf=new char[1025];
	int nBufSize=1024;
	int nReceived;
	CString name;
	CString strReceived;
//	this->m_listUser.AddString("keyi"); 
	nReceived=pSocket->Receive(pBuf,nBufSize);

	if(nReceived!=SOCKET_ERROR)
	{
		pBuf[nReceived]=NULL;
		strReceived=pBuf;
		if(strReceived=="SERVERDOWN")
		{
			m_listMsg.AddString("断开连接");
			AfxMessageBox("与服务器断开连接");
			GetDlgItem(IDC_LIST_OWN)->EnableWindow(FALSE);
	        GetDlgItem(IDC_LIST_MSG)->EnableWindow(FALSE);
	        GetDlgItem(IDC_LIST_USER)->EnableWindow(FALSE);
	        GetDlgItem(IDC_LIST_OWN)->EnableWindow(FALSE);
	        GetDlgItem(IDC_BUTTON_SEND)->EnableWindow(FALSE);
	        GetDlgItem(IDC_BUTTON_USERINFO)->EnableWindow(FALSE);
	        GetDlgItem(IDC_EDIT_MSG)->EnableWindow(FALSE);
	        GetDlgItem(IDC_COMBO_WHO)->EnableWindow(FALSE);
	        GetDlgItem(IDC_EDIT_IPADD)->EnableWindow(FALSE);
			GetDlgItem(IDC_BUTTON_LOAD)->EnableWindow(TRUE);
			GetDlgItem(IDC_BUTTON_REGISTER)->EnableWindow(TRUE);