clientdlg.cpp

C/S模式的局域网计时程序

// ClientDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Client.h"
#include "ClientDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CClientDlg dialog

CClientDlg::CClientDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CClientDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CClientDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CClientDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CClientDlg)
	DDX_Control(pDX, IDC_IPADDRESS1, m_ip);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CClientDlg, CDialog)
	//{{AFX_MSG_MAP(CClientDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_CONNECT, OnConnect)
	ON_WM_CLOSE()
	ON_MESSAGE(WM_TASKBAR,OnTaskbar)
	ON_COMMAND(ID_APP_SUSPEND, OnAppSuspend)
	ON_MESSAGE(CLIENT_SOCK,OnListenSockMessage)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

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

BOOL CClientDlg::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
	this->m_BtConnect = true;
	this->m_bCloseWindow = false;
	this->InitShell();
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CClientDlg::OnConnect() 
{
	// TODO: Add your control notification handler code here
	if(this->m_BtConnect)
	{
		if(m_ip.IsBlank())
		{
			MessageBox("请输入IP地址!");
			return;
		}

		m_ip.GetAddress(ip[0],ip[1],ip[2],ip[3]);
		if(!InitSocket())
			return;
		GetDlgItem(IDC_IPADDRESS1)->EnableWindow(false);
		SetDlgItemText(IDC_CONNECT,"断开");
		m_BtConnect = false;
	}
	else
	{
		if(this->sock_connect)
		{
			WSAAsyncSelect(sock_connect,m_hWnd,0,0);
			closesocket(sock_connect);
			sock_connect = 0;
		}

		GetDlgItem(IDC_IPADDRESS1)->EnableWindow(true);
		SetDlgItemText(IDC_CONNECT,"连接");
		m_BtConnect = true;
	}
}

void CClientDlg::InitShell()
{
	HICON hIcon;	
	char lpszTip[] = "服务器";
	
	HINSTANCE hInst = AfxFindResourceHandle(MAKEINTRESOURCE(IDI_ICON1),RT_GROUP_ICON);
				
	hIcon = (HICON)LoadImage(hInst,MAKEINTRESOURCE(IDI_ICON1),IMAGE_ICON,16,16,LR_DEFAULTCOLOR);
    	
	//给NOTIFYICONDATA结构赋值
	NOTIFYICONDATA tnid;
    tnid.cbSize = sizeof(NOTIFYICONDATA); 
    tnid.hWnd = m_hWnd; 
    tnid.uID = IDI_ICON1; 
    tnid.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP; 
    tnid.uCallbackMessage = WM_TASKBAR; //自定义消息
    tnid.hIcon = hIcon; 

	if (lpszTip) 
        lstrcpyn(tnid.szTip, lpszTip, sizeof(tnid.szTip));
    else 
        tnid.szTip[0] = '\0';
 
    ////////////////////////////////////////////////////////////////	  

	//调用Shell_NotifyIcon函数通过NIM_ADD向任务栏写图标
	Shell_NotifyIcon(NIM_ADD, &tnid); 

	//释放图标资源
	if (hIcon) 
        DestroyIcon(hIcon); 
}

LRESULT CClientDlg::OnTaskbar(WPARAM wParam, LPARAM lParam)
{
	UINT uMouseMsg = (UINT) lParam;		
	switch (uMouseMsg)
	{
		case WM_RBUTTONUP: 
		{
			popmenu.LoadMenu(IDR_MENU1);
			CPoint mouse;
			GetCursorPos(&mouse);
			CMenu *psub = (CMenu *)popmenu.GetSubMenu(0);
			
			psub->TrackPopupMenu(TPM_LEFTALIGN|TPM_RIGHTBUTTON,mouse.x,mouse.y,AfxGetMainWnd());
			popmenu.DestroyMenu();
		}
			break;
		case WM_LBUTTONDBLCLK:
		{
			ShowWindow(SW_SHOW);
		}
			break;
		default: 
			break;
	}
	return 0;
}

void CClientDlg::OnClose() 
{
	// TODO: Add your message handler code here and/or call default
	if(this->m_bCloseWindow)
		CDialog::OnClose();
	else ShowWindow(SW_HIDE);
}

void CClientDlg::OnAppSuspend() 
{
	// TODO: Add your command handler code here
	NOTIFYICONDATA tnid; 

    tnid.cbSize = sizeof(NOTIFYICONDATA); 
    tnid.hWnd = m_hWnd;
	tnid.uID = IDI_ICON1;
	Shell_NotifyIcon(NIM_DELETE, &tnid);

	m_bCloseWindow = true;
	this->SendMessage(WM_CLOSE);
}

BOOL CClientDlg::InitSocket()
{
	struct sockaddr_in client;
	WSADATA wsa;
	WSAStartup(wVersionRequested, &wsa);

	if(sock_connect != 0)
	{
		closesocket(sock_connect);
		sock_connect = 0;
	}

	sock_connect = socket(AF_INET, SOCK_STREAM, 0);
	if(sock_connect == INVALID_SOCKET)
	{
		sock_connect = 0;
		MessageBox("侦听失败!");
		WSACleanup();
		return false;
	}

	CString ip1;
	ip1.Format("%d.%d.%d.%d",ip[0],ip[1],ip[2],ip[3]);
	DWORD dwIPAddr;
	dwIPAddr = inet_addr(ip1);

	client.sin_family=AF_INET;
	client.sin_port=htons((u_short)5432);
	client.sin_addr.S_un.S_addr=dwIPAddr;
	if(connect(sock_connect,(LPSOCKADDR)&client,sizeof(client)) == SOCKET_ERROR)
	{
		closesocket(sock_connect);
		sock_connect = 0;
		MessageBox("连接失败!");
		WSACleanup();
		return false;
	}

	//非阻塞等待
	if(WSAAsyncSelect(sock_connect, m_hWnd, CLIENT_SOCK, FD_READ | FD_CLOSE) == SOCKET_ERROR)
	{
		MessageBox("选择侦听事件错误!");
		closesocket(sock_connect);
		sock_connect = 0;
		WSACleanup();
		return false;
	}
	return true;
}

//非阻塞等待
void CClientDlg::OnListenSockMessage(WPARAM wParam, LPARAM lParam)
{
	switch(WSAGETSELECTEVENT(lParam))
	{
		case FD_READ:
			{
				this->CloseSocket();
			}
			break;
		case FD_CLOSE:
			{
				this->CloseSocket();
			}
			break;
	}
}

void CClientDlg::CloseSocket()
{
	closesocket(sock_connect);
	sock_connect = 0;
	MessageBox("连接失败!");
	GetDlgItem(IDC_IPADDRESS1)->EnableWindow(true);
	SetDlgItemText(IDC_CONNECT,"连接");
	this->m_BtConnect = true;
}