osdlg.cpp

C++实现的模拟操作系统

// osDlg.cpp : implementation file
//

#include "stdafx.h"
#include "os.h"
#include "osDlg.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()

/////////////////////////////////////////////////////////////////////////////
// COsDlg dialog

COsDlg::COsDlg(CWnd* pParent /*=NULL*/)
	: CDialog(COsDlg::IDD, pParent)
{
	dwtime=0;
	pcpu=new CCpu(&osdlg);
	pmemory=new CMemory(&osdlg);
	//{{AFX_DATA_INIT(COsDlg)
	m_Password=0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void COsDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(COsDlg)
	DDX_Text(pDX, IDC_EDIT1, m_Password);
	DDV_MinMaxLong(pDX, m_Password, 0, 99999999);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(COsDlg, CDialog)
	//{{AFX_MSG_MAP(COsDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_SHOW_OS, OnShowOs)
	ON_WM_TIMER()
	ON_MESSAGE(WM_TIME_HALT,OnTimeHalt)
	ON_MESSAGE(MM_INITREE,OnMmtree)
	ON_EN_CHANGE(IDC_EDIT1, OnChangeEdit1)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// COsDlg message handlers

BOOL COsDlg::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
    SetTimer(1,10,NULL);


	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void COsDlg::OnShowOs() 
{
	// TODO: Add your control notification handler code here
	if(m_Password!=12345678)
	{
    osdlg.ifonshow=1;
	osdlg.ifinitlist=TRUE;
	this->PostMessage(MM_INITREE);
	osdlg.DoModal();
	}
	else
	AfxMessageBox("请检查口令");
	
}
///////////////////////////////////////////////////////////////////////////////////////////
void COsDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	dwt++;
	if(dwt==65500)dwt=0;
	if(dwt%60==0){  //每一秒钟
		dwtime++;

		osdlg.m_showtime.Format("%d:%d:%d",(int)(dwtime/3600)%12,(int)(dwtime/60)%60,(int)dwtime%60);
//修改时间片////////////////////////////////////////////////////////////////////////////////
		if(dwtime==1){
			
			pcpu->CpuChooseprocess(pmemory);    //调用选择进程函数
		
		}
		osdlg.m_itimeslice--;
		if(osdlg.m_itimeslice==0){
			osdlg.m_itimeslice=5;
			this->SendMessage(WM_TIME_HALT,0,0);
		}
		osdlg.Updatashow();
		pmemory->DealHalt();		
		pcpu->CpuRun(pmemory);
		osdlg.Updataabc(pmemory->memory,pmemory->A,pmemory->B,pmemory->C);
	}
	if(osdlg.ifinput){   //判断是否有执行命令
		osdlg.ifinput=FALSE;
		Carryout();      //调用执行命令函数
	}
////////////////////////////////////////////////////////////////////////////////////////////
	
	CDialog::OnTimer(nIDEvent);
}
////////////////////////////////////////////////////////////////////////////////////////////
//时间中断，修改psw值
////////////////////////////////////////////////////////////////////////////////////////////
void COsDlg::OnTimeHalt(WPARAM wParam,LPARAM lParam)
{
	pcpu->CpuSetpsw(0,1);  //设置psw[0]为1 表示有中断
	pcpu->CpuSetpsw(1,1);  //设置psw[1]为1 表示中断类型为时间中断
}

void COsDlg::OnMmtree()  //初始Tree列表
{
	UpdataDiskTree();
	UpdataShowInfo();
}

bool COsDlg::CD(CString strin,CString *strError)       //执行CD命令
{
	int strlength=strin.GetLength(); //获得命令的总长度
	int index=strin.Find(' ');       //返回空格键的索引

	if(4<=strlength&&6>=strlength)
		{
			int lastlength=strlength-index-1;
			char name[3];          //存参数
			name[0]=strin.GetAt(index+1);
			name[1]=name[2]=' ';
			if(3==lastlength)
			{
				name[1]=strin.GetAt(index+2);
				name[2]=strin.GetAt(index+3);				
			}
			if(2==lastlength)
			{
				name[1]=strin.GetAt(index+2);
			}
			
			name[0]=strin.GetAt(index+1);
		
			if(disk.CD(name,strError))
			{
				osdlg.m_strresult.Format("cd %c%c%c",name[0],name[1],name[2]);
				return TRUE;
			}
			else
				return FALSE;
		}
		else
		{
			strError->Format("cd 参数错误");
			return FALSE;
		}
}

bool COsDlg::PUB(CString strin,CString *strshow)       //执行pub命令/显示目录
{
	int nCount=disk.load.GetSize();
	if(0==nCount)
		return FALSE;
	CString s;
	char name[3];
	List list;
	name[0]=disk.Rootlist[disk.load[0]].name[0];
	s.Format("%c\\",name[0]);
	*strshow=s;
	for(int i=1;i<nCount;i++)
	{
		disk.file.Seek(disk.load[i]*64,CFile::begin);
		disk.file.Read(&list,sizeof(List));
		name[0]=list.name[0];
		name[1]=list.name[1];
		name[2]=list.name[2];
		s.Format("%c%c%c\\",name[0],name[1],name[2]);
		*strshow+=s;
	}
	return TRUE;
}

bool COsDlg::Create(CString strin,CString *strError)   //执行Create命令
{
	int index=strin.Find(' ');           //返回空格键的索引
	char name[3];
	int strlength=strin.GetLength(); //获得命令的总长度

	if(12!=strlength)
	{
		strError->Format(" create 命令 参数错误");
		return FALSE;
	}
	else
	{				
		name[0]=strin.GetAt(index+1);
		name[1]=strin.GetAt(index+2);
		name[2]=strin.GetAt(index+3);
		char postfix=strin.GetAt(index+5);
		if(disk.Create(name,strError,postfix))
		{
			strError->Format("成功建立文件%c%c%c.%c",name[0],name[1],name[2],postfix);
			UpdataDiskTree();
			UpdataShowInfo();
		}
		else
			return FALSE;
		
	}
	
	return TRUE;
}

bool COsDlg::Makdir(CString strin,CString *strError)   //执行Makdir命令
{
	int index=strin.Find(' ');           //返回空格键的索引
	char name[3];
	int strlength=strin.GetLength(); //获得命令的总长度

	if(10!=strlength)
	{
		strError->Format(" makdir 命令 参数错误");
		return FALSE;
	}
	name[0]=strin.GetAt(index+1);
	name[1]=strin.GetAt(index+2);
	name[2]=strin.GetAt(index+3);
	if(disk.Makdir(name,strError))
	{
		strError->Format("成功创建目录%c%c%c",name[0],name[1],name[2]);
		UpdataDiskTree();
		UpdataShowInfo();
	}
	else
		return FALSE;

	pmemory->Createprocess("makdir",dwtime);
	return TRUE;
}