www.pudn.com > CarCrash.rar > CarCrashView.cpp

// CarCrashView.cpp : implementation of the CCarCrashView class 
// 
 
#include "stdafx.h" 
#include "CarCrash.h" 
 
#include "CarCrashDoc.h" 
#include "CarCrashView.h" 
#include "CarThread.h" 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
#include "CarDlg.h" 
 
///////////////////////////////////////////////////////////////////////////// 
// CCarCrashView 
 
IMPLEMENT_DYNCREATE(CCarCrashView, CView) 
 
BEGIN_MESSAGE_MAP(CCarCrashView, CView) 
	//{{AFX_MSG_MAP(CCarCrashView) 
	ON_WM_CREATE() 
	ON_WM_SIZE() 
	ON_WM_DESTROY() 
	ON_COMMAND(ID_FILE_REMOVEALLCARS, OnFileRemoveallcars) 
	ON_COMMAND(ID_FILE_ADDCARS, OnFileAddcars) 
	//}}AFX_MSG_MAP 
	// Standard printing commands 
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint) 
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint) 
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview) 
	ON_MESSAGE( MSG_KILLME, OnKillThisThread ) 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CCarCrashView construction/destruction 
 
CCarCrashView::CCarCrashView() 
{ 
	// TODO: add construction code here 
 
} 
 
CCarCrashView::~CCarCrashView() 
{ 
} 
 
BOOL CCarCrashView::PreCreateWindow(CREATESTRUCT& cs) 
{ 
	// TODO: Modify the Window class or styles here by modifying 
	//  the CREATESTRUCT cs 
 
	return CView::PreCreateWindow(cs); 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CCarCrashView drawing 
 
void CCarCrashView::OnDraw(CDC* pDC) 
{ 
	CCarCrashDoc* pDoc = GetDocument(); 
	ASSERT_VALID(pDoc); 
	// TODO: add draw code for native data here 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CCarCrashView printing 
 
BOOL CCarCrashView::OnPreparePrinting(CPrintInfo* pInfo) 
{ 
	// default preparation 
	return DoPreparePrinting(pInfo); 
} 
 
void CCarCrashView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) 
{ 
	// TODO: add extra initialization before printing 
} 
 
void CCarCrashView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) 
{ 
	// TODO: add cleanup after printing 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CCarCrashView diagnostics 
 
#ifdef _DEBUG 
void CCarCrashView::AssertValid() const 
{ 
	CView::AssertValid(); 
} 
 
void CCarCrashView::Dump(CDumpContext& dc) const 
{ 
	CView::Dump(dc); 
} 
 
CCarCrashDoc* CCarCrashView::GetDocument() // non-debug version is inline 
{ 
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CCarCrashDoc))); 
	return (CCarCrashDoc*)m_pDocument; 
} 
#endif //_DEBUG 
 
///////////////////////////////////////////////////////////////////////////// 
// CCarCrashView message handlers 
int CCarCrashView::OnCreate(LPCREATESTRUCT lpCreateStruct)  
{ 
	if (CView::OnCreate(lpCreateStruct) == -1) 
		return -1; 
	 
	// TODO: Add your specialized creation code here 
	m_pDC= new CClientDC(this); 
	CCarThread::m_MemDC.CreateCompatibleDC(m_pDC); 
	srand(time(NULL)); 
	return 0; 
} 
void  CCarCrashView::AddACar(CRect r) 
{ 
	CCarThread *pCarTh=new CCarThread(this,m_pDC->GetSafeHdc(),r); 
	pCarTh->UpdateBorder(); 
	EnterCriticalSection(&CCarThread::csCrash); 
	CCarThread::m_Cars.push_back(pCarTh); 
	LeaveCriticalSection(&CCarThread::csCrash); 
 
	pCarTh->CreateThread(CREATE_SUSPENDED); 
	pCarTh->SetThreadPriority(THREAD_PRIORITY_BELOW_NORMAL); 
	pCarTh->ResumeThread(); 
 
} 
void CCarCrashView::OnSize(UINT nType, int cx, int cy)  
{ 
	CView::OnSize(nType, cx, cy); 
} 
void CCarCrashView::KillThreads() 
{ 
	CCarThread *pTh; 
	vector::iterator iter; 
	vector DeletedThreads; 
 
	EnterCriticalSection(&CCarThread::csCrash); 
	for(iter=CCarThread::m_Cars.begin();iter!=CCarThread::m_Cars.end();iter++) 
	{	 
		SetEvent((*iter)->m_hEventKill); 
		DeletedThreads.push_back(*iter); 
	} 
	CCarThread::m_Cars.clear(); 
	LeaveCriticalSection(&CCarThread::csCrash); 
 
	for(iter=DeletedThreads.begin();iter!=DeletedThreads.end();) 
	{	 
 
		pTh=*iter; 
		DeletedThreads.erase(iter); 
		pTh->KillThread(); 
	} 
	Invalidate(); 
} 
 
void CCarCrashView::OnDestroy()  
{ 
	KillThreads();	 
	delete m_pDC; 
	CView::OnDestroy(); 
} 
void CCarCrashView::OnFileRemoveallcars()  
{ 
	KillThreads();	 
} 
LRESULT CCarCrashView::OnKillThisThread(WPARAM w, LPARAM l) 
{ 
	bool bFound=false; 
	vector *pThreads=(vector *) w; 
	vector::iterator iter,iterDeleted; 
	EnterCriticalSection(&CCarThread::csCrash); 
	for(iterDeleted=pThreads->begin(); iterDeleted!=pThreads->end();iterDeleted++) 
	{ 
		for(iter=CCarThread::m_Cars.begin();iter!=CCarThread::m_Cars.end();) 
		{ 
			if (*iter == *iterDeleted)	CCarThread::m_Cars.erase(iter); 
			else iter++; 
		} 
	} 
	LeaveCriticalSection(&CCarThread::csCrash); 
 
	CCarThread *pTh; 
	DWORD ExitCode; 
	for(iterDeleted=pThreads->begin(); iterDeleted!=pThreads->end();) 
	{ 
		pTh=*iterDeleted; 
		pThreads->erase(iterDeleted); 
		if (GetExitCodeThread(pTh->m_hThread,&ExitCode )==STILL_ACTIVE ) 
			pTh->KillThread(); 
	} 
	delete pThreads; 
	Invalidate(); 
	return 0; 
} 
 
void CCarCrashView::OnFileAddcars()  
{ 
	CCarDlg Dlg; 
	if (Dlg.DoModal() != IDOK) return; 
	CRect r; 
	EnterCriticalSection(&CCarThread::cs); 
	GetClientRect(&r); 
	LeaveCriticalSection(&CCarThread::cs); 
 
	for(int i=0;i