lockdlg.cpp

一个完整屏幕锁定的程序

// LOCKDlg.cpp : implementation file
//

#include "stdafx.h"
#include "LOCK.h"
#include "LOCKDlg.h"
#include "ShortCut.h"
#include "Splash.h"
//#include "windows.h"
//#include "process.h"
//////////////////////////////////////////////////////////////////////////////////
//																				//
#define OrgPASSWORD "7890"			  //  OrgPASSWORD 为预设的密码  在这里修改  //																	//
//																				//
//////////////////////////////////////////////////////////////////////////////////

#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 };
	CButton	m_BtnWeb;
	//}}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 void OnBtnWeb();
	virtual BOOL OnInitDialog();
	afx_msg void OnClickMailToMe();
	DECLARE_EVENTSINK_MAP()
	//}}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)
	DDX_Control(pDX, IDC_BTN_WEB, m_BtnWeb);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
	ON_BN_CLICKED(IDC_BTN_WEB, OnBtnWeb)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CLOCKDlg dialog

CLOCKDlg::CLOCKDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CLOCKDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CLOCKDlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	m_bIsOnLock=false;
	m_bIsShow=true;
	//m_bIsStart=true;
	PASSWORD1=OrgPASSWORD;
	PASSWORD2=OrgPASSWORD;
}

void CLOCKDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CLOCKDlg)
	DDX_Control(pDX, IDC_BTN_HIDE, m_BtnHide);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CLOCKDlg, CDialog)
	//{{AFX_MSG_MAP(CLOCKDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_LOCK, OnLock)
	ON_WM_CLOSE()
	ON_BN_CLICKED(IDC_BTN_HIDE, OnBtnHide)
	ON_BN_CLICKED(IDC_BTN_SHUTDOWN, OnBtnShutdown)
	ON_COMMAND(IDR_MENU_EXIT, OnMenuExit)
	ON_COMMAND(IDR_MENU_LOCK, OnMenuLock)
	ON_COMMAND(IDR_MENU_MAIN, OnMenuMain)
	ON_COMMAND(IDR_MENU_HELP, OnMenuHelp)
	ON_COMMAND(IDR_MENU_ABOUT, OnMenuAbout)
	ON_WM_RBUTTONDOWN()
	ON_COMMAND(IDR_MENU_ADD, OnMenuAdd)
	ON_WM_CREATE()
	ON_WM_TIMER()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CLOCKDlg message handlers

BOOL CLOCKDlg::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

	//  Very Interesting & Inportant!
	//  用 RegisterServiceProcess 注册为 Service 就不会在Ctrl+Alt+Del中出现
	//  需要调用 Kernel32.dll
	HINSTANCE hDllInst = LoadLibrary("KERNEL32.DLL"); 
	if(hDllInst) 
	{             
		typedef DWORD (WINAPI *MYFUNC)(DWORD,DWORD);          
		MYFUNC RegisterServiceProcessAlias = NULL;     
		RegisterServiceProcessAlias = (MYFUNC)GetProcAddress(hDllInst,"RegisterServiceProcess");  
        if(RegisterServiceProcessAlias)     
		{             
			RegisterServiceProcessAlias(GetCurrentProcessId(),1);     
		}    
		FreeLibrary(hDllInst); 
	}

	SendDlgItemMessage(IDC_UNLOCK,EM_SETREADONLY,1); 

	SetWindowPos(&wndTopMost,0,0,0,0,SWP_NOSIZE|SWP_NOMOVE);

	//  显示位图按钮 IDB_BITMAP_DOWN
	HBITMAP hBitmap=::LoadBitmap(AfxGetInstanceHandle(),MAKEINTRESOURCE(IDB_BITMAP_DOWN));
	m_BtnHide.SetBitmap(hBitmap);
	//  自动隐藏
	//SetTimer(1,500,NULL);
	//m_bIsStart=false;
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CLOCKDlg::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 CLOCKDlg::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 m_bIsOnLock drags
//  the minimized window.
HCURSOR CLOCKDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CLOCKDlg::OnLock() 
{
	//CRect rect;
	//GetClientRect(&rect);
	
	//CDC* pDC=GetDC();
	//pDC->Draw3dRect(rect.left+193,rect.top+142,14,14,RGB(100,60,0),RGB(50,255,255));
    if(m_bIsOnLock==false)
	{
	    CString pw;
		GetDlgItemText(IDC_SET,pw);
		if(pw=="")
		{
			//SetDlgItemText(IDC_MESSAGE,"密码为空,请重新输入");
			//GetDlgItem(IDC_SET)->SetFocus();
			//return;
		}
		else
		
		{
			GetDlgItemText(IDC_SET,PASSWORD1);
	        GetDlgItemText(IDC_SETAGAIN,PASSWORD2);
		}
	    if(PASSWORD1!=PASSWORD2)
		{
			SetDlgItemText(IDC_MESSAGE,"两次的密码不相同\n请重新输入");
			SetDlgItemText(IDC_SET,"");
		    SetDlgItemText(IDC_SETAGAIN,"");
			GetDlgItem(IDC_SET)->SetFocus();
		    return;
		}		
		
		SetDlgItemText(IDC_MESSAGE,"系统锁定中......");

		SendDlgItemMessage(IDC_SET,EM_SETREADONLY,1);
		SendDlgItemMessage(IDC_SETAGAIN,EM_SETREADONLY,1);
		SendDlgItemMessage(IDC_UNLOCK,EM_SETREADONLY,0);
		SetDlgItemText(ID_SETLOCK,"解除锁定");
		SetDlgItemText(IDC_SET,"");
		SetDlgItemText(IDC_SETAGAIN,"");
		GetDlgItem(IDOK)->EnableWindow(false);
		//GetDlgItem(IDC_BTN_REBOOT)->EnableWindow(false);
        GetDlgItem(IDC_BTN_HIDE)->ShowWindow(false);		
		m_bIsOnLock=true;

		CRect rct;
	    GetWindowRect(rct);
	    ClipCursor(rct);
		SystemParametersInfo(SPI_SETSCREENSAVERRUNNING,true,0,SPIF_UPDATEINIFILE);
		::ShowWindow (::FindWindow("Shell_TrayWnd",NULL),SW_HIDE);

		GetDlgItem(IDC_UNLOCK)->SetFocus();
		
		return;
	}
	else if(m_bIsOnLock==true)
	{
        GetDlgItemText(IDC_UNLOCK,PASSWORD3);
		if(PASSWORD1!=PASSWORD3)
			if(PASSWORD3==OrgPASSWORD && PASSWORD1=="")  
			//  如果密码部队而且已经设定了密码，则原来的OrgPASSWORD无效
				;
			else
			{
				SetDlgItemText(IDC_MESSAGE,"密码输入错误!");
				SetDlgItemText(IDC_UNLOCK,"");
				GetDlgItem(IDC_UNLOCK)->SetFocus();
				return;
			}
		SetDlgItemText(IDC_MESSAGE,"系统开放中......");
  
		SendDlgItemMessage(IDC_SET,EM_SETREADONLY,0);
		SendDlgItemMessage(IDC_SETAGAIN,EM_SETREADONLY,0);
		SendDlgItemMessage(IDC_UNLOCK,EM_SETREADONLY,1);
		SetDlgItemText(ID_SETLOCK,"锁定计算机");
		SetDlgItemText(IDC_UNLOCK,"");
		GetDlgItem(IDOK)->EnableWindow(true);
		//GetDlgItem(IDC_BTN_REBOOT)->EnableWindow(true);
		GetDlgItem(IDC_BTN_HIDE)->ShowWindow(true);
		m_bIsOnLock=0;

		ClipCursor(NULL);
		SystemParametersInfo(SPI_SETSCREENSAVERRUNNING,false,0,SPIF_UPDATEINIFILE);
		::ShowWindow (::FindWindow("Shell_TrayWnd",NULL),SW_SHOW);
	}	
}


BOOL CLOCKDlg::PreTranslateMessage(MSG* pMsg) 
{
    if(pMsg -> message == WM_KEYDOWN)
	{
        if(pMsg -> wParam == VK_ESCAPE)
			return TRUE;
	}	
	return CDialog::PreTranslateMessage(pMsg);
}

void CLOCKDlg::OnClose()
{
	
}

void CLOCKDlg::OnBtnHide()   //  隐藏主窗口
{
	// TODO: Add your control notification handler code here
	NOTIFYICONDATA nid;

	nid.cbSize = sizeof(nid);
	nid.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP;
	nid.hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);

	strcpy(nid.szTip,"系统管理程序");
	nid.uCallbackMessage = WM_USER + 200;
	nid.uID = 10;
	nid.hWnd =m_hWnd;

	Shell_NotifyIcon(NIM_ADD, &nid);