clientchatroomdlg.cpp

mfc编写的聊天室程序,支持多用户间 收发消息 。

// ClientChatRoomDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Client.h"
#include "ClientChatRoomDlg.h"
#include "ClientSocket.h"

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

/////////////////////////////////////////////////////////////////////////////
// CClientChatRoomDlg dialog

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


void CClientChatRoomDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CClientChatRoomDlg)
	DDX_Control(pDX, IDC_STATIC_NIKENAME, m_STATIC_NIKENAME_CONTROL);
	DDX_Control(pDX, IDC_LIST_CHATBOX, m_IDC_LIST_CHATBOX_CONTROL);
	DDX_Text(pDX, IDC_EDIT_MESSAGE, m_IDC_EDIT_MESSAGE);
	DDX_Text(pDX, IDC_EDIT_TOWHO, m_IDC_EDIT_TOWHO);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CClientChatRoomDlg, CDialog)
	//{{AFX_MSG_MAP(CClientChatRoomDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_SEND, OnButtonSend)
	ON_BN_CLICKED(IDC_BUTTON_EXIT,OnButtonExit)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CClientChatRoomDlg message handlers
/////////////////////////////////////////////////////////////////////////////
// CClientDlg message handlers

BOOL CClientChatRoomDlg::OnInitDialog()
{
	CDialog::OnInitDialog();
	
	// 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
	m_STATIC_NIKENAME_CONTROL.SetWindowText(myServerSocket->NikeName);
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

// 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 CClientChatRoomDlg::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 CClientChatRoomDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

BOOL CClientChatRoomDlg::GetMessage(CString myName)
{
	char buff[1000];
	int count;
	count=myServerSocket->Receive(buff,1000);
	buff[count]=0;
	int len = myName.GetLength();
    if (buff[len] == ':' && myName == CString(buff, len))
    {
		char *p = &buff[len+1];
		m_IDC_LIST_CHATBOX_CONTROL.AddString(p);
    }
	else
	{
		CString temp(buff);
		int index = temp.FindOneOf(":");
		if (myName == CString(&buff[index+1], len))
		{
			m_IDC_LIST_CHATBOX_CONTROL.AddString(buff);

		}
	}
	
	return true;
}



void CClientChatRoomDlg::OnButtonSend() 
{
	// TODO: Add your control notification handler code here
	int n;
	char message[1000];
	UpdateData(TRUE);
	m_IDC_EDIT_MESSAGE=m_IDC_EDIT_TOWHO+":"+myServerSocket->NikeName+"->"+m_IDC_EDIT_MESSAGE;
	n=m_IDC_EDIT_MESSAGE.GetLength();
	//message=new char(n+1);
	sprintf(message,"%s",m_IDC_EDIT_MESSAGE.GetBuffer(n));
	message[n]=0;
	if (myServerSocket->Send(message,n+1))
	{
		m_IDC_EDIT_MESSAGE="";
		UpdateData(FALSE);
	}
	else
	{
		AfxMessageBox("网络传输错误!!!");
	}	
}


void CClientChatRoomDlg::OnButtonExit()
{
	char message[1000];
	CString QuitMsg;
	QuitMsg = "Quit : " + myServerSocket->NikeName;
	sprintf(message,"%s",QuitMsg);
	int n = QuitMsg.GetLength();
    if (myServerSocket->Send(message,n+1))
    {
		PostMessage(WM_QUIT,NULL,NULL);
    }
    else
	{
		AfxMessageBox("网络传输错误!!!");
	}


}