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// tcDlg.cpp : implementation file // #include "stdafx.h" #include "tc.h" #include "tcDlg.h" #include "CSocket.h" #include "Msg.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() ///////////////////////////////////////////////////////////////////////////// // CTcDlg dialog CTcDlg::CTcDlg(CWnd* pParent /*=NULL*/) : CDialog(CTcDlg::IDD, pParent) { //{{AFX_DATA_INIT(CTcDlg) m_strCName = _T(""); m_strMsg = _T(""); m_strSName = _T(""); m_nPort = 0; //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); m_pSocket=NULL; m_pFile=NULL; m_pArchiveIn=NULL; m_pArchiveOut=NULL; } void CTcDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CTcDlg) DDX_Control(pDX, IDOK, m_Send); DDX_Control(pDX, IDC_BUTTON_CONN, m_btnConn); DDX_Control(pDX, IDC_BUTTON_CLOSE, m_btnClose); DDX_Control(pDX, IDC_LIST_MSG, m_listMsg); DDX_Text(pDX, IDC_EDIT_CNAME, m_strCName); DDX_Text(pDX, IDC_EDIT_MSG, m_strMsg); DDX_Text(pDX, IDC_EDIT_SNAME, m_strSName); DDX_Text(pDX, IDC_EDIT_PORT, m_nPort); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CTcDlg, CDialog) //{{AFX_MSG_MAP(CTcDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BUTTON_CLOSE, OnButtonClose) ON_BN_CLICKED(IDC_BUTTON_CONN, OnButtonConn) ON_BN_CLICKED(IDOK, OnSend) ON_WM_DESTROY() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CTcDlg message handlers BOOL CTcDlg::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 m_strCName = "客户 1"; m_nPort = 8000; m_strSName = _T("localhost"); GetDlgItem(IDC_EDIT_MSG)->EnableWindow(FALSE); GetDlgItem(IDOK)->EnableWindow(FALSE); GetDlgItem(IDC_BUTTON_CLOSE)->EnableWindow(FALSE); UpdateData(FALSE); return TRUE; // return TRUE unless you set the focus to a control } void CTcDlg::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 CTcDlg::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 CTcDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } //以下的函数实现代码是编程者自己添加的 //当单击“连接“按钮时，执行此函数，向服务器请求连接 void CTcDlg::OnButtonConn() { m_pSocket = new CCSocket(this); //创建套接字对象 if (!m_pSocket->Create()) //创建套接字对象的底层套接字 { delete m_pSocket; //错误处理 m_pSocket = NULL; AfxMessageBox("套接字创建错误！"); return; } if (!m_pSocket->Connect(m_strSName,m_nPort)) { delete m_pSocket; //错误处理 m_pSocket = NULL; AfxMessageBox("无法连接服务器错误！"); return; } //创建CSocketFile类对象 m_pFile = new CSocketFile(m_pSocket); //分别创建用于输入和用于输出的CArchive类对象 m_pArchiveIn = new CArchive(m_pFile,CArchive::load); m_pArchiveOut = new CArchive(m_pFile,CArchive::store); //调用SendMsg函数，向服务器发送消息，表明该客户进入聊天室 UpdateData(TRUE); CString strTemp; strTemp = m_strCName + ":进入聊天室"; SendMsg(strTemp, FALSE); GetDlgItem(IDC_EDIT_MSG)->EnableWindow(TRUE); GetDlgItem(IDOK)->EnableWindow(TRUE); GetDlgItem(IDC_BUTTON_CLOSE)->EnableWindow(TRUE); GetDlgItem(IDC_EDIT_CNAME)->EnableWindow(FALSE); GetDlgItem(IDC_EDIT_SNAME)->EnableWindow(FALSE); GetDlgItem(IDC_EDIT_PORT)->EnableWindow(FALSE); GetDlgItem(IDC_BUTTON_CONN)->EnableWindow(FALSE); } //当单击“发送“按钮时，执行此函数，向服务器发送信息 //并将发送的消息显示于列表框，注意，实际的发送是由SendMsg函数完成的 void CTcDlg::OnSend() { UpdateData(TRUE); //取回用户输入的信息 if (!m_strMsg.IsEmpty()) { this->SendMsg(m_strCName + ":" + m_strMsg, FALSE); //m_listMsg.AddString(m_strMsg); m_strMsg = _T(""); UpdateData(FALSE); //更新用户界面，将用户输入的消息删除。 } } //实际执行发送的函数 void CTcDlg::SendMsg(CString &strText,bool st) { if (m_pArchiveOut!=NULL) { CMsg msg; //创建一个消息对象 //将要发送的信息文本赋给消息对象的成员变量 msg.m_strBuf = strText; msg.m_bClose = st; //调用消息对象的系列化函数，发送消息 msg.Serialize(*m_pArchiveOut); //将CArchive对象中数据强制存储到CSocketFile对象中 m_pArchiveOut->Flush(); } } ////当单击“断开“按钮时，执行此函数，作客户退出聊天室的相关处理 void CTcDlg::OnButtonClose() { CString strTemp; strTemp = m_strCName+":离开聊天室！"; SendMsg(strTemp, TRUE); delete m_pArchiveOut; //删除用于输出的CArchive对象 m_pArchiveOut = NULL; delete m_pArchiveIn; //删除用于输入的CArchive对象 m_pArchiveIn = NULL; delete m_pFile; //删除CSOcketFile对象 m_pFile = NULL; m_pSocket->Close(); //关闭套接字对象 delete m_pSocket; //删除CCSOcket对象 m_pSocket = NULL; //清除列表框 while (m_listMsg.GetCount()!=0) m_listMsg.DeleteString(0); GetDlgItem(IDC_EDIT_MSG)->EnableWindow(FALSE); GetDlgItem(IDOK)->EnableWindow(FALSE); GetDlgItem(IDC_BUTTON_CLOSE)->EnableWindow(FALSE); GetDlgItem(IDC_EDIT_CNAME)->EnableWindow(TRUE); GetDlgItem(IDC_EDIT_SNAME)->EnableWindow(TRUE); GetDlgItem(IDC_EDIT_PORT)->EnableWindow(TRUE); GetDlgItem(IDC_BUTTON_CONN)->EnableWindow(TRUE); } //当套接字收到FD_READ消息时，它的OnReceive函数调用此函数 void CTcDlg::OnReceive() { do { ReceiveMsg();