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Visual C++

ex126ClientDlg.cpp：源码内容
							// ex126ClientDlg.cpp : implementation file
//
#include "stdafx.h"
#include "ex126Client.h"
#include "ex126ClientDlg.h"
#include "LogonDlg.h"
#include "ChatSocket.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()
/////////////////////////////////////////////////////////////////////////////
// CEx126ClientDlg dialog
CEx126ClientDlg::CEx126ClientDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CEx126ClientDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CEx126ClientDlg)
	m_strMsg = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CEx126ClientDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CEx126ClientDlg)
	DDX_Control(pDX, IDC_LISTBOX, m_ctrlMsg);
	DDX_Text(pDX, IDC_EDITMSG, m_strMsg);
	//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CEx126ClientDlg, CDialog)
	//{{AFX_MSG_MAP(CEx126ClientDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_SENDMSG, OnSendmsg)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CEx126ClientDlg message handlers
BOOL CEx126ClientDlg::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
	CLogonDlg dlg;
	if(dlg.DoModal()==IDOK)
	{
		//创建一个新的socket
		m_pSocket=new CChatSocket(this);
		if(!m_pSocket->Create())
		{
			delete m_pSocket;
			m_pSocket=NULL;
			AfxMessageBox("产生socket失败!");
			return FALSE;
		}
		//连接服务器
		while(!m_pSocket->Connect(dlg.m_strServer,dlg.m_nPort+700))
		{
			if(AfxMessageBox("连接服务器失败!n重试?",MB_YESNO)==IDNO)
			{
				delete m_pSocket;
				m_pSocket=NULL;
				return FALSE;
			}
		}
		m_strClientName=dlg.m_strName;
	}
	else
		return FALSE;
	//发送登录消息给服务器
	SendMsg("进入聊天室");
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}
void CEx126ClientDlg::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 CEx126ClientDlg::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 CEx126ClientDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}
void CEx126ClientDlg::ProcessPendingRead()
{
	//定义缓冲区
	char buffer[BUFFER_SIZE];
	//接收数据
	int nReceived=m_pSocket->Receive(buffer,BUFFER_SIZE,0);
	buffer[nReceived]=0;
	//将数据在列表框中显示
	CString str;
	str.Format("%s",buffer);
	m_ctrlMsg.AddString(str);
}
void CEx126ClientDlg::SendMsg(CString strMsg)
{
	CString str;
	str.Format("%s:%s",m_strClientName,strMsg);
	m_pSocket->Send(str.GetBuffer(0),str.GetLength(),0);
}
void CEx126ClientDlg::OnSendmsg() 
{
	UpdateData(TRUE);
	SendMsg(m_strMsg);
}

						