tcpchatclientdlg.cpp

VisualC高级编程技术精粹.rar

// TCPChatClientDlg.cpp : implementation file
//

#include "stdafx.h"
#include "TCPChatClient.h"
#include "TCPChatClientDlg.h"
#include "ClientSocket.h"
#include "tagHeader.h"
#include "afxtempl.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()

/////////////////////////////////////////////////////////////////////////////
// CTCPChatClientDlg dialog

CTCPChatClientDlg::CTCPChatClientDlg(CClientSocket *p_Socket,CWnd* pParent /*=NULL*/)
	: CDialog(CTCPChatClientDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTCPChatClientDlg)
	m_csInputMsg = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);	

	m_pSocket = p_Socket;
	m_pSocket->chatDlg = this;
}

void CTCPChatClientDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTCPChatClientDlg)
	DDX_Control(pDX, IDC_LIST_ON_LINE_USER, m_listboxOnlineUser);
	DDX_Control(pDX, IDC_EDIT_CHAT_INFO, m_editboxChatInfo);
	DDX_Text(pDX, IDC_EDIT_INPUT_MSG, m_csInputMsg);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CTCPChatClientDlg, CDialog)
	//{{AFX_MSG_MAP(CTCPChatClientDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_SEND, OnButtonSend)
	ON_BN_CLICKED(IDC_BUTTON_QUIT, OnButtonQuit)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTCPChatClientDlg message handlers

BOOL CTCPChatClientDlg::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
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CTCPChatClientDlg::OnButtonSend() 
{
	// TODO: Add your control notification handler code here
	UpdateData();

	if (m_csInputMsg.IsEmpty())
	{
		AfxMessageBox(_T("不能发送空消息!"));
		CEdit *pEdit = (CEdit*)GetDlgItem(IDC_EDIT_INPUT_MSG);
		pEdit->SetFocus();

		return;
	}

	Header head;
	head.type = SEND_MESSAGE;
	head.len = m_csInputMsg.GetLength();
	
	CTime time = CTime::GetCurrentTime();
	CString t = time.Format("%H:%M:%S");
	CString csNikeName = theApp.m_csNickName;

	CString csMsg = csNikeName + _T("   ") + t + _T("\r\n") + _T("  ") + m_csInputMsg;
	

	m_pSocket->Send((char *)&head,sizeof(Header));

	if (m_pSocket->Send((LPCTSTR)csMsg, csMsg.GetLength()))
	{
		m_csInputMsg = _T("");
		UpdateData(FALSE);
		CEdit *pEdit = (CEdit*)GetDlgItem(IDC_EDIT_INPUT_MSG);
		pEdit->SetFocus();
	}
	else
	{
		AfxMessageBox(_T("网络传输错误!"));
	}
}

BOOL CTCPChatClientDlg::GetMessage()
{
	char buff[1000];
	memset(buff,0,sizeof(buff));
	m_pSocket->Receive(buff, sizeof(buff),0);	
	
	CString csTemp = buff;
	csTemp += _T("\r\n");
	m_editboxChatInfo.ReplaceSel(csTemp);

	return TRUE;
}

void CTCPChatClientDlg::UpdateUser()
{
	char buff[1000];
	memset(buff,0,sizeof(buff));
	m_pSocket->Receive(buff, sizeof(buff),0);	
	
	CString csUserInfo = buff;

	CString array[100];
	int b = 0;
	for ( int i=0; i<csUserInfo.GetLength(); i++ )
	{
		if (i != (csUserInfo.GetLength() - 1))
		{
			if ( csUserInfo[i] == '&' )
			{
				b ++;
			}
			else
			{
				array[b] = array[b] + csUserInfo[i];
			}
		}
	}

	m_listboxOnlineUser.ResetContent();
	for (int j = 0; j < b+1; j++)
	{
		m_listboxOnlineUser.AddString(array[j]);
	}
}

void CTCPChatClientDlg::OnButtonQuit() 
{
	// TODO: Add your control notification handler code here
	if (m_pSocket)
	{
		m_pSocket->Close();
		delete m_pSocket;
	}

	CDialog::OnCancel();
}