www.pudn.com > OSDemo.rar > yemianDlg.cpp

// yemianDlg.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "OSDemo.h" 
#include "yemianDlg.h" 
 
#include  
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CAboutDlg dialog used for App About 
 
 
 
///////////////////////////////////////////////////////////////////////////// 
// CYemianDlg dialog 
 
CYemianDlg::CYemianDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CYemianDlg::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CYemianDlg) 
	m_memory = 0; 
	m_total = 0; 
	m_random = _T(""); 
	m_change = 0; 
	m_absent = 0; 
	m_changef = 0.0; 
	m_absentf = 0.0; 
	//}}AFX_DATA_INIT 
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
} 
 
void CYemianDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CYemianDlg) 
	DDX_Control(pDX, IDC_LIST1, m_list); 
	DDX_Text(pDX, IDC_EDIT1, m_memory); 
	DDX_Text(pDX, IDC_EDIT2, m_total); 
	DDX_Text(pDX, IDC_EDIT3, m_random); 
	DDX_Text(pDX, IDC_EDIT4, m_change); 
	DDX_Text(pDX, IDC_EDIT6, m_absent); 
	DDX_Text(pDX, IDC_EDIT5, m_changef); 
	DDX_Text(pDX, IDC_EDIT7, m_absentf); 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CYemianDlg, CDialog) 
	//{{AFX_MSG_MAP(CYemianDlg) 
	ON_WM_SYSCOMMAND() 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	ON_BN_CLICKED(IDC_BUTTON1, OnFIFO) 
	ON_BN_CLICKED(IDC_BUTTON2, OnLRU) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CYemianDlg message handlers 
 
BOOL CYemianDlg::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); 
		} 
	} 
 
	SetIcon(m_hIcon, TRUE);			// Set big icon 
	SetIcon(m_hIcon, FALSE);		// Set small icon 
	 
	// TODO: Add extra initialization here 
	 
	return TRUE;  // return TRUE  unless you set the focus to a control 
} 
 
void CYemianDlg::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 CYemianDlg::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(); 
	} 
} 
 
HCURSOR CYemianDlg::OnQueryDragIcon() 
{ 
	return (HCURSOR) m_hIcon; 
} 
 
 
 
 
//先进先出页面置换算法 
void CYemianDlg::OnFIFO()  
{ 
	UpdateData(1); 
	CArray myt;//存放随机生成的所有页面号的数组 
	CArray mym;//存放物理块中现有的页面号 
	int m=0; 
	int	as=0;//置换页面计数 
	bool x;  //页面是否需要置换 
	CString str1=""; 
	CString str2=""; 
	myt.SetSize(m_total,-1); 
	mym.SetSize(m_memory,-1); 
	if(m_memory myt; 
	CArray mym; 
	CArray myb; 
	int m=0,a; 
	int as=0;  //置换页面计数 
	bool x;	 
	CString str1=""; 
	CString str2=""; 
	myt.SetSize(m_total,-1); 
	mym.SetSize(m_memory,-1); 
	myb.SetSize(m_memory,-1); 
	if(m_memory