chatsrvdlg.cpp

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// ChatSrvDlg.cpp : implementation file
//

#include "stdafx.h"
#include "ChatSrv.h"
#include "ChatSrvDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
UINT recvthread(LPVOID lpparam)
{
	CChatSrvDlg *pdlg=(CChatSrvDlg*)AfxGetApp()->GetMainWnd();
	SOCKET sock=pdlg->m_nsocket;
	sockaddr_in addsrv,addcli;
	int num=0;
	int messnum=0;
	CString temp="";
	CString name="";
	CString mess="";
	addsrv=pdlg->m_addsrv;
	int err=0;
	int len=sizeof(SOCKADDR);
	char recvbuff[200];
	memset(recvbuff,0,200);
	while(1)
	{
	//	UpdateData(FALSE);
		if(pdlg->m_ctrrecv.GetLineCount()>50)
		{
			pdlg->m_nstrrecv.Empty();
		//	m_ReceiveData="***The Length of the Text is too long, Emptied Automaticly!!!***\r\n";        
		//	UpdateData(FALSE);
		}
		err=recvfrom(sock,recvbuff,200,0,(SOCKADDR *)&addcli,&len);
		if(SOCKET_ERROR ==err)
		{
			MessageBox(NULL,"接收信息失败",0,0);
		}
		temp.Format("%s",recvbuff);
		num=temp.Find("!!!");
		name=temp.Left(num+1);
		mess=temp.Right(temp.GetLength()-num-4);
		messnum=pdlg->m_ctrrecv.GetWindowTextLength();
		pdlg->m_ctrrecv.SetSel(messnum,messnum);
	//	pdlg->m_nstrrecv+=name+"对你说"+mess+"\r\n";
		pdlg->m_ctrrecv.ReplaceSel(pdlg->m_nstrrecv);
		
	//	UpdateData(TRUE);
		pdlg->m_nstrrecv.Empty();
		
	}
	

	return 0;
}

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()

/////////////////////////////////////////////////////////////////////////////
// CChatSrvDlg dialog

CChatSrvDlg::CChatSrvDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CChatSrvDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CChatSrvDlg)
	m_nstrsend = _T("");
	m_nstrrecv = _T("");
	m_nstrport = _T("");
	m_nstrname = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CChatSrvDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CChatSrvDlg)
	DDX_Control(pDX, IDC_EDIT_RECVMESS, m_ctrrecv);
	DDX_Control(pDX, IDC_LIST2, m_ctrlist);
	DDX_Control(pDX, IDC_IPADDRESS1, m_nctrip);
	DDX_Text(pDX, IDC_EDIT_SENDMESS, m_nstrsend);
	DDX_Text(pDX, IDC_EDIT_RECVMESS, m_nstrrecv);
	DDX_Text(pDX, IDC_EDIT_PORT, m_nstrport);
	DDX_Text(pDX, IDC_EDIT_NAME, m_nstrname);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CChatSrvDlg, CDialog)
	//{{AFX_MSG_MAP(CChatSrvDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BTN_START, OnBtnStart)
	ON_BN_CLICKED(IDC_RADIO2, OnRadio2)
	ON_BN_CLICKED(IDC_RADIO1, OnRadio1)
	ON_BN_CLICKED(IDC_BTN_SEND, OnBtnSend)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CChatSrvDlg message handlers

BOOL CChatSrvDlg::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
	
	WORD wVersionRequested;
	WSADATA wsaData;
	int err;
 
	wVersionRequested = MAKEWORD( 2, 2 );
 
	err = WSAStartup( wVersionRequested, &wsaData );
	if ( err != 0 ) {
		/* Tell the user that we could not find a usable */
		/* WinSock DLL.                                  */
		return FALSE;
	}
 
	/* Confirm that the WinSock DLL supports 2.2.*/
	/* Note that if the DLL supports versions greater    */
	/* than 2.2 in addition to 2.2, it will still return */
	/* 2.2 in wVersion since that is the version we      */
	/* requested.                                        */
 
	if ( LOBYTE( wsaData.wVersion ) != 2 ||
			HIBYTE( wsaData.wVersion ) != 2 ) {
		/* Tell the user that we could not find a usable */
		/* WinSock DLL.                                  */
		WSACleanup( );
		return FALSE; 
	}
	memset(m_nuser,0,sizeof(m_nuser));
//	memset(m_addcli,0,sizeof(m_addcli));
	GetDlgItem(IDC_EDIT_PROTOL)->SetWindowText("UDP协议");
	((CButton*)GetDlgItem(IDC_RADIO1))->SetCheck(TRUE);
	m_nstrname="";
	
//	::ZeroMemory(m_nuser, 0, sizeof(m_nuser));当成员是CString时，没有出错
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CChatSrvDlg::OnBtnStart() 
{
	// TODO: Add your control notification handler code here
	m_nsocket=socket(AF_INET,SOCK_DGRAM,0);
//	m_sendsocket=socket(AF_INET,SOCK_DGRAM,0);
	m_addsrv.sin_addr.S_un.S_addr=htonl(INADDR_ANY);
	m_addsrv.sin_family=AF_INET;
	if(((CButton*)GetDlgItem(IDC_RADIO2))->GetCheck())
	{	
		UpdateData(TRUE);
		m_addsrv.sin_port=htons(atoi((LPCSTR)m_nstrport));	
	}

	else
		m_addsrv.sin_port=htons(60000);
	
	GetDlgItem(IDC_EDIT_NAME)->GetWindowText(m_nstrname);
	if(""==m_nstrname)
	{
		MessageBox("输入昵称");
	}
	else
	
		if(SOCKET_ERROR ==bind(m_nsocket,(SOCKADDR*)&m_addsrv,sizeof(SOCKADDR)))
		{
			MessageBox("绑定套接字失败");
			closesocket(m_nsocket);
		}
	AfxBeginThread(&recvthread,0);
}

void CChatSrvDlg::OnRadio2() 
{
	// TODO: Add your control notification handler code here
	((CButton*)GetDlgItem(IDC_RADIO1))->SetCheck(FALSE);
	
	
}

void CChatSrvDlg::OnRadio1() 
{
	// TODO: Add your control notification handler code here
	((CButton*)GetDlgItem(IDC_RADIO2))->SetCheck(FALSE);
	m_addsrv.sin_port=htons(60000);
	GetDlgItem(IDC_EDIT_PORT)->SetWindowText("");
}

void CChatSrvDlg::OnBtnSend() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	int err=0;
	CString temp="";
	CString strIp="";
	DWORD dwIp=0;
	GetDlgItem(IDC_EDIT_SENDMESS)->GetWindowText(m_nstrsend);
	if(!m_nstrsend.GetLength())
		MessageBox("不允许发空白消息");
	else
		GetDlgItem(IDC_IPADDRESS1)->GetWindowText(strIp);
		int ip=atoi(strIp);
	//	m_nctrip.GetAddress(dwIp);
	//	strIp.Format("%s",dwIp);
		
		if(!ip)
		{
			MessageBox("请输入IP地址");
		}
		else
			temp=m_nstrname;
			temp+="!!!"+m_nstrsend;
			m_addcli.sin_addr.S_un.S_addr=inet_addr(strIp);
			m_addcli.sin_family=AF_INET;
			m_addcli.sin_port=htons(60000);
			err=sendto(m_nsocket,temp,temp.GetLength(),0,
				(SOCKADDR*)&m_addcli,sizeof(SOCKADDR));
		//	MessageBox(temp);
			if(SOCKET_ERROR ==err)
			{
				MessageBox("发送失败");
			}
		//	m_nstrsend.Empty();
			temp.Empty();
			UpdateData(FALSE);
	
}