www.gusucode.com > VC++多线程与聊天室程序实例-源码程序 > VC++多线程与聊天室程序实例-源码程序/code/Chat/ChatDlg.cpp
// ChatDlg.cpp : implementation file // Download by http://www.NewXing.com #include "stdafx.h" #include "Chat.h" #include "ChatDlg.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) // 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) // NOTE: the ClassWizard will add DDX and DDV calls here //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CChatDlg, CDialog) //{{AFX_MSG_MAP(CChatDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BTN_SEND, OnBtnSend) //}}AFX_MSG_MAP ON_MESSAGE(WM_RECVDATA,OnRecvData) 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 InitSocket(); RECVPARAM *pRecvParam=new RECVPARAM; pRecvParam->sock=m_socket; pRecvParam->hwnd=m_hWnd; HANDLE hThread=CreateThread(NULL,0,RecvProc,(LPVOID)pRecvParam,0,NULL); CloseHandle(hThread); 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; } BOOL CChatDlg::InitSocket() { m_socket=socket(AF_INET,SOCK_DGRAM,0); if(INVALID_SOCKET==m_socket) { MessageBox("套接字创建失败!"); return FALSE; } SOCKADDR_IN addrSock; addrSock.sin_family=AF_INET; addrSock.sin_port=htons(6000); addrSock.sin_addr.S_un.S_addr=htonl(INADDR_ANY); int retval; retval=bind(m_socket,(SOCKADDR*)&addrSock,sizeof(SOCKADDR)); if(SOCKET_ERROR==retval) { closesocket(m_socket); MessageBox("绑定失败!"); return FALSE; } return TRUE; } DWORD WINAPI CChatDlg::RecvProc(LPVOID lpParameter) { SOCKET sock=((RECVPARAM*)lpParameter)->sock; HWND hwnd=((RECVPARAM*)lpParameter)->hwnd; delete lpParameter; //视频讲述时,遗忘了释放内存的操作。sunxin SOCKADDR_IN addrFrom; int len=sizeof(SOCKADDR); char recvBuf[200]; char tempBuf[300]; int retval; while(TRUE) { retval=recvfrom(sock,recvBuf,200,0,(SOCKADDR*)&addrFrom,&len); if(SOCKET_ERROR==retval) break; sprintf(tempBuf,"%s说: %s",inet_ntoa(addrFrom.sin_addr),recvBuf); ::PostMessage(hwnd,WM_RECVDATA,0,(LPARAM)tempBuf); } return 0; } void CChatDlg::OnRecvData(WPARAM wParam,LPARAM lParam) { CString str=(char*)lParam; CString strTemp; GetDlgItemText(IDC_EDIT_RECV,strTemp); str+="\r\n"; str+=strTemp; SetDlgItemText(IDC_EDIT_RECV,str); } void CChatDlg::OnBtnSend() { // TODO: Add your control notification handler code here DWORD dwIP; ((CIPAddressCtrl*)GetDlgItem(IDC_IPADDRESS1))->GetAddress(dwIP); SOCKADDR_IN addrTo; addrTo.sin_family=AF_INET; addrTo.sin_port=htons(6000); addrTo.sin_addr.S_un.S_addr=htonl(dwIP); CString strSend; GetDlgItemText(IDC_EDIT_SEND,strSend); sendto(m_socket,strSend,strSend.GetLength()+1,0, (SOCKADDR*)&addrTo,sizeof(SOCKADDR)); SetDlgItemText(IDC_EDIT_SEND,""); }