filefinddlg.cpp

visual c++ 实例编程

// FileFindDlg.cpp : implementation file
//

#include "stdafx.h"
#include "FileFind.h"
#include "FileFindDlg.h"
#include "DirDialog.h"
#include "winreg.h"
  
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
THREADPARAM m_param;
CMutex m_mutexThreadCount,m_mutexThreadObj,m_mutexThreadParam,m_mutexPath;
UINT uThreadCount=0;
CStringArray m_strPathArray;
CEvent m_event(FALSE,FALSE,NULL,NULL);
UINT GetFilePathThreadProc(LPVOID pParam)
{
	if(pParam==NULL)
		AfxEndThread(NULL);	
	THREADPARAM * m_pParam=(THREADPARAM *)pParam;
	CString strPath=m_pParam->strPath;
	CString strFileName=m_pParam->strFileName;
	CListCtrl *m_pListInfo=(CListCtrl *)m_pParam->m_pListInfo;
	m_mutexThreadCount.Lock();
	uThreadCount++;
	m_mutexThreadCount.Unlock();
	HANDLE hFile;
	WIN32_FIND_DATA *pInfo=new WIN32_FIND_DATA;
	hFile = ::FindFirstFile(strPath+"\\*.*",pInfo);
	if(hFile==INVALID_HANDLE_VALUE)
	{
		delete pInfo;
		m_mutexThreadCount.Lock();
		uThreadCount--;
		if(uThreadCount==0)
			m_event.SetEvent();
		m_mutexThreadCount.Unlock();
		return 0;
	}
	do{
		if(pInfo->cFileName[0]=='.')
			continue;
		char cFileName[MAX_PATH];
		strcpy(cFileName,pInfo->cFileName);
		CString strFile=cFileName;
		TRACE0(strFile+"\n");
		if(pInfo->dwFileAttributes==FILE_ATTRIBUTE_DIRECTORY)
		{
			m_mutexThreadParam.Lock();
			m_param.strPath=strPath+"\\"+strFile;
			m_param.strFileName=strFileName;
			AfxBeginThread(GetFilePathThreadProc, &m_param, THREAD_PRIORITY_NORMAL);
			m_mutexThreadParam.Unlock();		
		}
		else
		{
			if(strFile==strFileName){
				m_mutexPath.Lock();
				m_strPathArray.Add(strPath+"\\"+strFile);
				TRACE0(strPath);
				m_mutexPath.Unlock();
				m_mutexThreadCount.Lock();
				uThreadCount--;
				if(uThreadCount==0)
					m_event.SetEvent();
				m_mutexThreadCount.Unlock();	
				return 0;
			}
		}		
	}
	while(::FindNextFile( hFile,pInfo));
	::FindClose(hFile);	
	delete pInfo;
	m_mutexThreadCount.Lock();
	uThreadCount--;
	if(uThreadCount==0)
		m_event.SetEvent();
	m_mutexThreadCount.Unlock();	
	return 0;
}

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()

/////////////////////////////////////////////////////////////////////////////
// CFileFindDlg dialog

CFileFindDlg::CFileFindDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CFileFindDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CFileFindDlg)
	m_strFileName = _T("");
	m_strPath = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CFileFindDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CFileFindDlg)
	DDX_Control(pDX, IDC_LIST_COMBO, m_ListInfo);
	DDX_Text(pDX, IDC_EDIT_FILE_NAME, m_strFileName);
	DDX_Text(pDX, IDC_EDIT_ROOT_DIR, m_strPath);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CFileFindDlg, CDialog)
	//{{AFX_MSG_MAP(CFileFindDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_FIND, OnButtonFind)
	ON_BN_CLICKED(IDC_BUTTON_VIEW, OnButtonView)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFileFindDlg message handlers

BOOL CFileFindDlg::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_ListInfo.InsertColumn(0,"已找到的文件：",LVCFMT_LEFT,200);
    ListView_SetExtendedListViewStyle
        (m_ListInfo.m_hWnd, LVS_EX_FULLROWSELECT | LVS_EX_GRIDLINES | LVS_EX_HEADERDRAGDROP|LVS_EX_TRACKSELECT);

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

void CFileFindDlg::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 CFileFindDlg::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 CFileFindDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}
void CFileFindDlg::GetFilePath()
{
	m_event.ResetEvent();
	uThreadCount=0;
	m_strPathArray.RemoveAll();	
	UpdateData(TRUE);
	m_param.strPath=m_strPath;
	m_param.strFileName=m_strFileName;
	m_param.m_pListInfo=&m_ListInfo;
	AfxBeginThread(GetFilePathThreadProc, &m_param, THREAD_PRIORITY_NORMAL);
	::WaitForSingleObject(m_event.m_hObject,INFINITE);
	if(m_strPathArray.GetUpperBound()==-1){
		AfxMessageBox("没找到文件",MB_OK|MB_ICONINFORMATION);return;}
	for(int i=0;i<m_strPathArray.GetSize();i++)
	{
		int index=m_ListInfo.InsertItem(0xffff,m_strPathArray.GetAt(i),0);	
	}
}

void CFileFindDlg::OnButtonFind() 
{
	LPTSTR str=new char[100];
	::GetWindowsDirectory(
  str,  // address of buffer for Windows directory
  strlen(str)        // size of directory buffer
);
 
	GetFilePath();
}

void CFileFindDlg::OnButtonView() 
{
	CDirDialog dlg;
	if(dlg.DoBrowse(this)==IDOK)
		m_strPath=dlg.m_strPath;
	UpdateData(FALSE);
}