www.pudn.com > MFCl.rar > WSAAsyncSelectClientDlg.cpp


// WSAAsyncSelectClientDlg.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "WSAAsyncSelectClient.h" 
#include "WSAAsyncSelectClientDlg.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() 
 
///////////////////////////////////////////////////////////////////////////// 
// CWSAAsyncSelectClientDlg dialog 
 
CWSAAsyncSelectClientDlg::CWSAAsyncSelectClientDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CWSAAsyncSelectClientDlg::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CWSAAsyncSelectClientDlg) 
	m_sShowText = _T(""); 
	m_uPort = 0; 
	//}}AFX_DATA_INIT 
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
} 
 
void CWSAAsyncSelectClientDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CWSAAsyncSelectClientDlg) 
	DDX_Text(pDX, IDC_SHOWTEXT, m_sShowText); 
	DDX_Text(pDX, IDC_PORT, m_uPort); 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CWSAAsyncSelectClientDlg, CDialog) 
	//{{AFX_MSG_MAP(CWSAAsyncSelectClientDlg) 
	ON_WM_SYSCOMMAND() 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	ON_MESSAGE(CLI_MESSAGE,OnClientMessage) 
	ON_BN_CLICKED(IDC_CONNECT, OnConnect) 
	ON_BN_CLICKED(IDC_SEND, OnSend) 
	ON_BN_CLICKED(IDCUT, OnCut) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CWSAAsyncSelectClientDlg message handlers 
 
BOOL CWSAAsyncSelectClientDlg::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 
	GetDlgItem(IDC_SERVERIP)->SetWindowText("127.0.0.1"); 
	GetDlgItem(IDC_PORT)->SetWindowText("6000"); 
	GetDlgItem(IDC_NAME)->SetWindowText("Guest"); 
 
	GetDlgItem(IDC_CONNECT)->EnableWindow(true); 
	GetDlgItem(IDCUT)->EnableWindow(false); 
 
	m_Writeflag=TRUE; 
	return TRUE;  // return TRUE  unless you set the focus to a control 
} 
 
void CWSAAsyncSelectClientDlg::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 CWSAAsyncSelectClientDlg::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 CWSAAsyncSelectClientDlg::OnQueryDragIcon() 
{ 
	return (HCURSOR) m_hIcon; 
} 
 
 
void CWSAAsyncSelectClientDlg::OnOK()  
{ 
	// TODO: Add extra validation here 
	 
	m_uPort=7000; 
	UpdateData(FALSE);//把变量数据更新到控件 
	CDialog::OnOK(); 
} 
 
 
void CWSAAsyncSelectClientDlg::OnConnect()  
{ 
	// TODO: Add your control notification handler code here 
 
    GetDlgItem(IDC_CONNECT)->EnableWindow(false); 
	GetDlgItem(IDCUT)->EnableWindow(true); 
	CString str=""; 
	GetDlgItem(IDC_NAME)->GetWindowText(str); 
	if (str=="") { 
		AfxMessageBox("请输入你的名字后,重新连接!"); 
		return; 
	} 
    str="该用户的名字是:"+str; 
	str=str+"\r\n"; 
 
	CString strServerIP;	 
	GetDlgItem(IDC_SERVERIP)->GetWindowText(strServerIP); 
  
	UpdateData(TRUE);//把控件中输入数更新到对应的变量 
	if(m_client.InitAndConnet(m_hWnd,m_uPort,strServerIP)==FALSE) 
	{ 
		AfxMessageBox("连接错误!"); 
		return; 
	} 
 
	if (m_Writeflag) { 
		int sendlen=m_client.SendString(str); 
		if (WSAEWOULDBLOCK ==sendlen) { 
			m_Writeflag=FALSE;  
			return; 
		} 
	} 
} 
 
void CWSAAsyncSelectClientDlg::OnCut()  
{ 
	// TODO: Add your control notification handler code here 
	GetDlgItem(IDCUT)->EnableWindow(false); 
	GetDlgItem(IDC_CONNECT)->EnableWindow(true); 
	closesocket(m_client.m_sConnectSocket);	 
} 
 
 
void CWSAAsyncSelectClientDlg::OnSend()  
{ 
	// TODO: Add your control notification handler code here 
	 
	CString in; 
	GetDlgItem(IDC_INPUTTEXT)->GetWindowText(in); 
	 
	//消去无用的空格键字符 
	in.TrimRight(" "); 
	 
	if(in.GetLength()<1) 
	{ 
		AfxMessageBox("请输入你说的话!"); 
		return; 
	}	 
	 
	//将输入框中的字符清空,表示字符已经被发送 
	GetDlgItem(IDC_INPUTTEXT)->SetWindowText(""); 
 
	 
	CString strName;	 
	GetDlgItem(IDC_NAME)->GetWindowText(strName); 
 
	in=strName+"说:"+in; 
	m_sShowText+=in; 
	m_sShowText+="\r\n"; 
	 
	//将输入的话显示到显示窗口中 
	GetDlgItem(IDC_SHOWTEXT)->SetWindowText(m_sShowText);	 
	CEdit * output=(CEdit *)GetDlgItem(IDC_SHOWTEXT); 
	 
	//随时跟踪滚动条的位置 
	output->LineScroll(output->GetLineCount()); 
 
	if (m_Writeflag) { 
		int sendlen=m_client.SendString(in); 
		if (WSAEWOULDBLOCK ==sendlen) { 
				m_Writeflag=FALSE;  
				return; 
		} 
	} 
} 
 
 
LRESULT CWSAAsyncSelectClientDlg::OnClientMessage(WPARAM wParam, LPARAM lParam) 
{ 
	CString str; 
	CEdit * output=NULL; 
	int recvlen; 
	char recvBuf[BUFFERLEN];//用户接收缓冲区 
	switch(lParam) 
	{ 
	case FD_CONNECT: 
		if (WSAECONNREFUSED==WSAGETSELECTERROR(lParam)) { 
			AfxMessageBox("连接尝试被拒绝!"); 
			::PostQuitMessage(0) ; 
			return 0 ; 
		} 
		else 
		{ 
			m_Writeflag=TRUE; 
			m_sShowText="已经连接到服务器!\r\n"; 
			GetDlgItem(IDC_SHOWTEXT)->SetWindowText(m_sShowText); 
		} 
		break; 
	case FD_READ: 
		recvlen=recv(m_client.m_sConnectSocket,recvBuf,sizeof(recvBuf),0); 
		if (SOCKET_ERROR==recvlen) { 
			AfxMessageBox("接收数据错误!"); 
		} 
		recvBuf[recvlen]='\0'; 
		m_sShowText+=recvBuf; 
		m_sShowText+="\r\n"; 
		GetDlgItem(IDC_SHOWTEXT)->SetWindowText(m_sShowText); 
		 
		//随时跟踪滚动条的位置  
		output=(CEdit *)GetDlgItem(IDC_SHOWTEXT); 
		output->LineScroll(output->GetLineCount()); 
		break; 
	case FD_WRITE: 
		break; 
	case FD_CLOSE: 
		m_sShowText+="服务器端的套接字连接被关闭!\r\n"; 
		GetDlgItem(IDC_SHOWTEXT)->SetWindowText(m_sShowText); 
		output=(CEdit *)GetDlgItem(IDC_SHOWTEXT); 
		//随时跟踪滚动条的位置 
		output->LineScroll(output->GetLineCount()); 
		break; 
	default: 
		if (WSAECONNREFUSED==WSAGETSELECTERROR(lParam))  
		{ 
			output=(CEdit *)GetDlgItem(IDC_SHOWTEXT); 
			output->SetWindowText("有网络错误发生,此次连接被停止!\r\n"); 
			closesocket(m_client.m_sConnectSocket); 
		} 
		else 
		{ 
			output=(CEdit *)GetDlgItem(IDC_SHOWTEXT); 
			output->SetWindowText("未响应的事件!\r\n"); 
		} 
		break; 
	} 
	return 0; 
}