cloudmsgdlg.cpp

来自「《Visual C++视频技术方案宝典》配套光盘」· C++ 代码 · 共 299 行

// CloudMsgDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CloudMsg.h"
#include "CloudMsgDlg.h"

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


/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
#define CM_READINFO WM_USER+100

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()

/////////////////////////////////////////////////////////////////////////////
// CCloudMsgDlg dialog

CCloudMsgDlg::CCloudMsgDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCloudMsgDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCloudMsgDlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDI_ICON1);
}

void CCloudMsgDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCloudMsgDlg)
	DDX_Control(pDX, IDC_SETTING, m_Setting);
	DDX_Control(pDX, IDC_PORT, m_Port);
	DDX_Control(pDX, IDC_MSCOMM, m_Com);
	//}}AFX_DATA_MAP

}

BEGIN_MESSAGE_MAP(CCloudMsgDlg, CDialog)
	//{{AFX_MSG_MAP(CCloudMsgDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_EXIT, OnExit)
	ON_BN_CLICKED(IDC_PORTSET, OnPortset)
	ON_MESSAGE(CM_READINFO,OnReadInfo)
	ON_WM_CTLCOLOR()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCloudMsgDlg message handlers

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

	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);
		}
	}

	SetIcon(m_hIcon, TRUE);	
	SetIcon(m_hIcon, FALSE);

	CString IP;
	GetPrivateProfileString("端口设置","端口号","",IP.GetBuffer(0),MAX_PATH,"./stage.ini");
	m_Port.SetWindowText(IP);

	CString setting;
	GetPrivateProfileString("端口设置","环境设置","",setting.GetBuffer(0),MAX_PATH,"./stage.ini");

	m_Setting.SetWindowText(setting);

	//创建UDP套接字
	m_Client = socket(AF_INET,SOCK_DGRAM,0);

	//获取本机名称
	char name[MAX_PATH];
	memset(name,0,MAX_PATH);
	gethostname(name,MAX_PATH);

	hostent* pTent =  gethostbyname(name);

	sockaddr_in addr;
	addr.sin_family = AF_INET;
	addr.sin_addr =  (* (in_addr*)pTent->h_addr_list[0]) ;
	long port = 600;
	addr.sin_port = htons(port);

	if (bind(m_Client,(sockaddr*)&addr,sizeof(addr))==SOCKET_ERROR)
	{
		MessageBox("地址绑定错误");
	}

	WSAAsyncSelect(m_Client,m_hWnd,CM_READINFO,FD_READ|FD_WRITE);

	//设置端口信息,并打开端口
	m_Com.SetSettings("2400,n,8,1");
	m_Com.SetOutBufferSize(512);
	m_Com.SetCommPort(1);
	m_Com.SetSThreshold(0);
	m_Com.SetPortOpen(TRUE);

	return TRUE;  
}

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

void CCloudMsgDlg::OnExit() 
{
	OnCancel();	
}

void CCloudMsgDlg::OnCancel()
{
	closesocket(m_Client);
	CDialog::OnCancel();
}

void CCloudMsgDlg::OnOK()
{

}

void CCloudMsgDlg::OnReadInfo(WPARAM wp, LPARAM lp)
{
	unsigned char data[MAX_PATH];
	memset(data,0,MAX_PATH);
	sockaddr_in  addr;
	int len = sizeof(addr);
	int ret = recvfrom(m_Client,(char*)data,MAX_PATH,0,(SOCKADDR*)&addr,&len);
	if (ret >0)
	{
		//从数据报中获取命令码的字节数
		int packagelen = data[1];

		VARIANT vt;
		SAFEARRAY* pSafe;
		SAFEARRAYBOUND band;
		band.cElements =packagelen;
		band.lLbound = 0;
		pSafe = SafeArrayCreate(VT_UI1,1,&band);

		//读取控制码
		for (long i = 0; i<packagelen; i++)
		{
			SafeArrayPutElement(pSafe,&i,(void*)&data[i+2]);
		}
		vt.vt= VT_ARRAY |VT_UI1;
		vt.parray = pSafe;
		m_Com.SetOutput((COleVariant)vt);


		//读取停止码
		for (i = 0; i<packagelen; i++)
		{
			SafeArrayPutElement(pSafe,&i,(void*)&data[packagelen+2+i]);
		}
		vt.vt= VT_ARRAY |VT_UI1;
		vt.parray = pSafe;
		Sleep(500);
		m_Com.SetOutput((COleVariant)vt);
	}
}

void CCloudMsgDlg::OnPortset() 
{
	CFileDialog fDlg(TRUE,NULL,NULL);
	fDlg.DoModal();
	CString IP;
	m_Port.GetWindowText(IP);
	WritePrivateProfileString("端口设置","端口号",IP.GetBuffer(0),"./stage.ini");
	
	CString setting;
	m_Setting.GetWindowText(setting);
	WritePrivateProfileString("端口设置","环境设置",setting.GetBuffer(0),"./stage.ini");

	m_Com.SetPortOpen(FALSE);	
	m_Com.SetSettings(setting);
	m_Com.SetOutBufferSize(512);
	m_Com.SetCommPort(atoi(IP));
	m_Com.SetSThreshold(0);
	m_Com.SetPortOpen(TRUE);	
}

HBRUSH CCloudMsgDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) 
{
	HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
	
	if (nCtlColor==CTLCOLOR_STATIC )
	{
		pDC->SetBkMode(TRANSPARENT);
	}
	return hbr;
}