www.pudn.com > WQDemo.rar > WQDemoDlg.cpp


// WQDemoDlg.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "WQDemo.h" 
#include "WQDemoDlg.h" 
#include "WorkQueue.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
 
class SpecificWorkItem : public WorkItemBase 
{ 
 
public: 
	SpecificWorkItem(CXListCtrl* pListCtrl,int nItem){m_pListCtrl = pListCtrl; m_nItem = nItem;} 
private: 
	void   DoWork(void* pThreadContext); 
    void   Abort(); 
	int    m_nItem; 
	CXListCtrl* m_pListCtrl; 
 
}; 
 
void SpecificWorkItem::DoWork(void* pThreadContext) 
{ 
 
	m_pListCtrl->EnsureVisible(m_nItem,TRUE); 
	m_pListCtrl->SetProgress(m_nItem,0); 
 
	for(int i = 0 ; i < 100 ; i++) 
	{	 
		Sleep(100); 
		m_pListCtrl->UpdateProgress(m_nItem,0,i); 
	} 
 
	m_pListCtrl->DeleteProgress(m_nItem,0); 
 
	m_pListCtrl->SetItemText(m_nItem,0,_T("Complete"));	 
 
	delete this; 
 
} 
 
void SpecificWorkItem::Abort() 
{ 
	m_pListCtrl->SetItemText(m_nItem,0,_T("Aborted")); 
	delete this; 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// 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() 
 
///////////////////////////////////////////////////////////////////////////// 
// CWQDemoDlg dialog 
 
unsigned long __stdcall CWQDemoDlg::ThreadFuncDestroy( void*  pParam ) 
{ 
 
	CWQDemoDlg* pDlg = (CWQDemoDlg*)pParam; 
	pDlg->m_WorkQueue.Destroy(); 
	return 1; 
} 
 
 
CWQDemoDlg::CWQDemoDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CWQDemoDlg::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CWQDemoDlg) 
	m_nNumberOfThreads = 5; 
	//}}AFX_DATA_INIT 
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
} 
 
void CWQDemoDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CWQDemoDlg) 
	DDX_Control(pDX, IDC_ITEM_QUEUE_LIST, m_ItemsOueueList); 
	DDX_Text(pDX, IDC_NUMBER_OF_THREADS_EDIT, m_nNumberOfThreads); 
	DDV_MinMaxUInt(pDX, m_nNumberOfThreads, 0, 64); 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CWQDemoDlg, CDialog) 
	//{{AFX_MSG_MAP(CWQDemoDlg) 
	ON_WM_SYSCOMMAND() 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	ON_BN_CLICKED(IDC_CREATE, OnCreate) 
	ON_BN_CLICKED(IDC_DESTROY, OnDestroy) 
	ON_BN_CLICKED(IDC_ADD_ITEM_BTN, OnAddItemBtn) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CWQDemoDlg message handlers 
 
BOOL CWQDemoDlg::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_ItemsOueueList.InsertColumn(0,_T("项目进程"),LVCFMT_LEFT,195); 
	 
	return TRUE;  // return TRUE  unless you set the focus to a control 
} 
 
void CWQDemoDlg::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 CWQDemoDlg::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 CWQDemoDlg::OnQueryDragIcon() 
{ 
	return (HCURSOR) m_hIcon; 
} 
 
void CWQDemoDlg::OnCreate()  
{ 
    //界面更新显示 
	UpdateData(); 
	GetDlgItem(IDC_CREATE)->EnableWindow(FALSE); 
	GetDlgItem(IDC_NUMBER_OF_THREADS_SPIN_SPIN)->EnableWindow(FALSE); 
	GetDlgItem(IDC_DESTROY)->EnableWindow(TRUE); 
	GetDlgItem(IDC_ADD_ITEM_BTN)->EnableWindow(TRUE);	 
	//创建线程 
	m_WorkQueue.Create(m_nNumberOfThreads);	 
} 
 
void CWQDemoDlg::OnDestroy()  
{ 
	 
	GetDlgItem(IDC_DESTROY)->EnableWindow(FALSE); 
	GetDlgItem(IDC_ADD_ITEM_BTN)->EnableWindow(FALSE); 
 
	//为了在程序退出时界面不被冻结,这里建立了另一个线程,利用该线程去结束其他的线程 
 
	DWORD dwThreadId; 
	HANDLE hThreade = CreateThread(NULL, 
		0, 
		CWQDemoDlg::ThreadFuncDestroy, 
		this, 
		0, 
		&dwThreadId); 
 
 
		while (TRUE) 
		{ 
			DWORD result ;  
			MSG msg ;  
			 
			// 读取所有的消息  
			// 移除读到的所有消息,防止界面锁住 
			while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))  
			{  
				if (msg.message == WM_QUIT)   
					return;  
				DispatchMessage(&msg);  
			} 			 
			// 等待任何队列消息或则hThreade线程句柄触发 
			result = MsgWaitForMultipleObjects(1, &hThreade ,  
				FALSE, INFINITE, QS_ALLINPUT);  
			 
			// 如果是hThreade线程结束,表示所有的线程都已经退出 
			if (result == WAIT_OBJECT_0) 
			{ 
				break; 
			}  
			else  
			{  
				continue; 
					 
			}  
		}  
		 
		GetDlgItem(IDC_CREATE)->EnableWindow(TRUE); 
		GetDlgItem(IDC_NUMBER_OF_THREADS_SPIN_SPIN)->EnableWindow(TRUE); 
		 
} 
 
void CWQDemoDlg::OnAddItemBtn()  
{ 
	static i = 0; 
	i++; 
	int nItem = m_ItemsOueueList.InsertItem(i, _T("Waiting...")); 
	m_WorkQueue.InsertWorkItem(new SpecificWorkItem(&m_ItemsOueueList,nItem)); 
}