www.gusucode.com > VC++ ICPQ聊天室源程序-源码程序 > VC++ ICPQ聊天室源程序-源码程序/code/ChartRoomClient/ChartRoomDlg.cpp

    // ChartRoomDlg.cpp : implementation file
// Download by http://www.NewXing.com

#include "stdafx.h"
#include "ChartRoomClient.h"
#include "ChartRoomDlg.h"

extern SOCKET g_socket;
extern CChartRoomClientApp theApp;
extern CString g_msg;
//extern ULNode* g_userlist;

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

/////////////////////////////////////////////////////////////////////////////
// CChartRoomDlg dialog


CChartRoomDlg::CChartRoomDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CChartRoomDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CChartRoomDlg)
	m_msg = _T("");
	m_inputmsg = _T("");
	//}}AFX_DATA_INIT
	m_hIcon = AfxGetApp()->LoadIcon(IDR_APPICON);
}


void CChartRoomDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CChartRoomDlg)
	DDX_Control(pDX, IDC_INPUTMSG, m_inputedit);
	DDX_Text(pDX, IDC_SHOWMSG, m_msg);
	DDX_Text(pDX, IDC_INPUTMSG, m_inputmsg);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CChartRoomDlg, CDialog)
	//{{AFX_MSG_MAP(CChartRoomDlg)
	ON_MESSAGE(WM_HASMSG,OnHasMsg)
	ON_WM_QUERYDRAGICON()
	ON_WM_PAINT()
	ON_BN_CLICKED(IDC_QUIT, OnQuit)
	ON_BN_CLICKED(IDC_SEND, OnSend)
	ON_WM_CLOSE()
	ON_WM_SHOWWINDOW()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CChartRoomDlg message handlers

BOOL CChartRoomDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();

	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	theApp.m_hmsgdlg = this->GetSafeHwnd();

	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

HCURSOR CChartRoomDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CChartRoomDlg::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();
	}	
	// Do not call CDialog::OnPaint() for painting messages
}

LRESULT CChartRoomDlg::OnHasMsg(WPARAM wParam, LPARAM lParam)
{
	m_msg = g_msg;
	UpdateData(FALSE);
	SendDlgItemMessage(IDC_SHOWMSG,WM_VSCROLL,SB_BOTTOM,0);
	return 0;
}


void CChartRoomDlg::OnQuit() 
{
	shutdown(g_socket, SD_SEND);
	CDialog::OnCancel();
}

void CChartRoomDlg::OnSend() 
{
	UpdateData(TRUE);
	if (m_inputmsg.GetLength() ==0 )
	{
		MessageBox("不能发空信息哟!^_^","提示");
		return;
	}
	m_inputmsg += "\n\r";
	CChartRoomClientApp::SendThreadFunc((LPVOID)((LPCTSTR)m_inputmsg));
	m_inputedit.SetFocus();
	m_inputmsg = "";
	UpdateData(FALSE);
}

void CChartRoomDlg::OnClose() 
{
	shutdown(g_socket, SD_SEND);
	
	CDialog::OnClose();
}

/*void CChartRoomDlg::ListUser()
{
	LV_ITEM lvitem;
	ULNode *ptr = g_userlist;
	int i=0,iPos;

	while(ptr)
	{
		lvitem.mask=LVIF_TEXT|LVIF_IMAGE|LVIF_PARAM;
		lvitem.iItem=i;
		lvitem.iSubItem=0;
		lvitem.pszText=ptr->name;
		lvitem.lParam=i;
		iPos=m_ListCtrl.InsertItem(&lvitem);//返回表项插入后的索引号
		ptr = ptr->next;
		i++;
	}
}*/

//before chat-room dialog showing , there is a welcome message
void CChartRoomDlg::OnShowWindow(BOOL bShow, UINT nStatus) 
{
	CDialog::OnShowWindow(bShow, nStatus);
	
	::SendMessage(theApp.m_hmsgdlg , WM_HASMSG , NULL, NULL);		//show reserve message	
}