www.pudn.com > ScreenCapture.rar > ClientDlg.cpp
// 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)
m_name = _T("");
//}}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_PICTURE, m_picture);
DDX_Text(pDX, IDC_EDIT1, m_name);
//}}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_BUTJOIN, OnButjoin)
ON_BN_CLICKED(IDC_BUTGRASP, OnButgrasp)
ON_BN_CLICKED(IDC_BUTSHOW, OnButshow)
//}}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
m_client = socket(AF_INET,SOCK_STREAM,0);
m_IsStop = true;
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::OnButjoin()
{
// TODO: Add your control notification handler code here
UpdateData(true);
CString str="";
struct hostent * pHost;
pHost = gethostbyname(m_name);
if(pHost==NULL)
{
MessageBox("无法获得IP地址");
return;
}
else
{
for(int n=0;n<4;n++)
{
CString addr;
if(n > 0)
{
str += ".";
}
addr.Format("%u",(unsigned int)((unsigned char*)pHost->h_addr_list[0])[n]);
str += addr;
}
}
//服务器端地址
sockaddr_in serveraddr;
serveraddr.sin_family = AF_INET;
serveraddr.sin_port = htons(70);
serveraddr.sin_addr.S_un.S_addr = inet_addr(str);
if (connect(m_client,(sockaddr*)&serveraddr,sizeof(serveraddr))!=0)
{
MessageBox("连接失败");
return;
}
else
MessageBox("连接成功");
WSAAsyncSelect(m_client,m_hWnd,1000,FD_READ);
}
void CClientDlg::OnButgrasp()
{
// TODO: Add your control notification handler code here
CString info;
info="1";
int i = send(m_client,info.GetBuffer(0),info.GetLength(),0);
}
BOOL CClientDlg::PreTranslateMessage(MSG* pMsg)
{
// TODO: Add your specialized code here and/or call the base class
if (pMsg->message==1000)
{
ReceiveData();
}
else
return CDialog::PreTranslateMessage(pMsg);
}
void CClientDlg::ReceiveData()
{
HGLOBAL hGlobal = GlobalAlloc(GMEM_MOVEABLE,9999999);
void* lpBuf = GlobalLock(hGlobal);
int num = recv(m_client,(char*)lpBuf,9999999,0);
if (m_IsStop)
{
m_file.Open("c:\\b.bmp",CFile::modeCreate|CFile::modeWrite);
m_file.WriteHuge(lpBuf,num);
m_IsStop = FALSE;
GlobalUnlock(hGlobal);
GlobalFree(hGlobal);
return;
}
else
{
m_file.WriteHuge(lpBuf,num);
GlobalUnlock(hGlobal);
GlobalFree(hGlobal);
}
}
void CClientDlg::OnButshow()
{
// TODO: Add your control notification handler code here
Sleep(500);
m_file.Close();
m_IsStop = true;
HANDLE hBmp = LoadImage(NULL,"c:\\b.bmp",IMAGE_BITMAP,0,0,LR_LOADFROMFILE);
HBITMAP hBitmap = (HBITMAP)hBmp;
CDC* pDC = m_picture.GetDC();
CRect r;
m_picture.GetClientRect(&r);
//将位图选进设备场景中
CDC memdc;
memdc.CreateCompatibleDC( pDC );
memdc.SelectObject(hBitmap);
BITMAP bmp;
GetObject(hBitmap,sizeof(bmp),&bmp);
pDC->StretchBlt(r.left,r.top,r.Width(),r.Height(),&memdc,0,0,
bmp.bmWidth,bmp.bmHeight,SRCCOPY);
memdc.DeleteDC();
}