www.pudn.com > CRC32.rar > CRC32ProjDlg.cpp

// CRC32ProjDlg.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "CRC32Proj.h" 
#include "CRC32ProjDlg.h" 
 
#include "AboutDlg.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CCRC32ProjDlg dialog 
 
CCRC32ProjDlg::CCRC32ProjDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CCRC32ProjDlg::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CCRC32ProjDlg) 
		// NOTE: the ClassWizard will add member initialization here 
	//}}AFX_DATA_INIT 
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
} 
 
void CCRC32ProjDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CCRC32ProjDlg) 
	DDX_Control(pDX, IDC_PROGRESS, m_Pos); 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CCRC32ProjDlg, CDialog) 
	//{{AFX_MSG_MAP(CCRC32ProjDlg) 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	ON_CBN_SELCHANGE(IDC_COMBO_TYPE, OnSelchangeComboType) 
	ON_BN_CLICKED(IDC_BTN_ABOUT, OnBtnAbout) 
	ON_BN_CLICKED(IDC_BTN_CALCULATION, OnBtnCalculation) 
	ON_EN_CHANGE(IDC_EDIT_DATA, OnChangeEditData) 
	ON_BN_CLICKED(IDC_CHECK_UPPER, OnCheckUpper) 
	ON_BN_CLICKED(IDC_BTN_BROWSE, OnBtnBrowse) 
	ON_WM_DROPFILES() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CCRC32ProjDlg message handlers 
 
BOOL CCRC32ProjDlg::OnInitDialog() 
{ 
	CDialog::OnInitDialog(); 
 
	// 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 
	 
	((CComboBox*)GetDlgItem(IDC_COMBO_TYPE))->AddString("文件"); 
	((CComboBox*)GetDlgItem(IDC_COMBO_TYPE))->AddString("字符串"); 
	((CComboBox*)GetDlgItem(IDC_COMBO_TYPE))->SetCurSel(0); 
	AdjustWindow(true); 
 
	GetDlgItem(IDC_PROGRESS)->ShowWindow(SW_HIDE); 
	((CButton*)GetDlgItem(IDC_CHECK_UPPER))->SetCheck(TRUE); 
	return TRUE;  // return TRUE  unless you set the focus to a control 
} 
 
// 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 CCRC32ProjDlg::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 CCRC32ProjDlg::OnQueryDragIcon() 
{ 
	return (HCURSOR) m_hIcon; 
} 
 
void CCRC32ProjDlg::AdjustWindow(bool bFlag) 
{ 
	RECT	rcEdit; 
	RECT	rcButton; 
	::GetWindowRect(GetDlgItem(IDC_EDIT_RESULT)->m_hWnd, &rcEdit); 
	::GetWindowRect(GetDlgItem(IDC_BTN_CALCULATION)->m_hWnd, &rcButton); 
 
	if(!bFlag) 
	{ 
		GetDlgItem(IDC_EDIT_DATA)->SetWindowPos(NULL, 0, 0,  
												(rcEdit.right - rcEdit.left) + (rcButton.right - rcButton.left),  
												rcEdit.bottom - rcEdit.top,  
												SWP_NOMOVE | SWP_NOOWNERZORDER); 
		GetDlgItem(IDC_BTN_BROWSE)->ShowWindow(SW_HIDE); 
		((CEdit*)GetDlgItem(IDC_EDIT_DATA))->SetReadOnly(false); 
		GetDlgItem(IDC_BTN_CALCULATION)->EnableWindow(false); 
		::DragAcceptFiles(m_hWnd, false); 
	} 
	else 
	{ 
		GetDlgItem(IDC_EDIT_DATA)->SetWindowPos(NULL, 0, 0,  
													rcEdit.right - rcEdit.left,  
													rcEdit.bottom - rcEdit.top,  
													SWP_NOMOVE | SWP_NOOWNERZORDER); 
		GetDlgItem(IDC_BTN_BROWSE)->ShowWindow(SW_SHOW); 
		((CEdit*)GetDlgItem(IDC_EDIT_DATA))->SetReadOnly(true); 
		GetDlgItem(IDC_BTN_CALCULATION)->EnableWindow(true); 
		::DragAcceptFiles(m_hWnd, true); 
	} 
	GetDlgItem(IDC_COMBO_TYPE)->SetWindowPos(NULL, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOOWNERZORDER | SWP_NOSIZE ); 
} 
 
void CCRC32ProjDlg::OnSelchangeComboType()  
{ 
	SetDlgItemText(IDC_EDIT_DATA, ""); 
	SetDlgItemText(IDC_EDIT_RESULT, ""); 
 
	if(((CComboBox*)GetDlgItem(IDC_COMBO_TYPE))->GetCurSel() == 0) 
		AdjustWindow(true);  
	else if(((CComboBox*)GetDlgItem(IDC_COMBO_TYPE))->GetCurSel() == 1) 
		AdjustWindow(false);		 
} 
 
void CCRC32ProjDlg::OnBtnAbout()  
{ 
	CAboutDlg dlg; 
	dlg.DoModal(); 
} 
 
void CCRC32ProjDlg::OnBtnCalculation()  
{ 
	CString strButton; 
	GetDlgItemText(IDC_BTN_CALCULATION, strButton); 
	if(strButton == "停止(&S)") 
	{ 
		SetDlgItemText(IDC_BTN_CALCULATION, "计算(&C)"); 
		m_CRC32Ex.StopCalcFile(); 
		return ; 
	} 
 
	CString strInput; 
	GetDlgItemText(IDC_EDIT_DATA, strInput); 
	if(strInput.IsEmpty()) 
	{ 
		SetDlgItemText(IDC_EDIT_RESULT, ""); 
		return ; 
	} 
 
	GetDlgItem(IDC_PROGRESS)->ShowWindow(SW_SHOW); 
	GetDlgItem(IDC_CHECK_UPPER)->ShowWindow(SW_HIDE); 
	SetDlgItemText(IDC_BTN_CALCULATION, "停止(&S)"); 
	SetDlgItemText(IDC_EDIT_RESULT, ""); 
 
	void* proc = m_Thunk.Stdcall(this, Thunk::GetMemberFxnAddr(&CCRC32ProjDlg::ThreadProc)); 
	HANDLE hThread = CreateThread(0, 0, (LPTHREAD_START_ROUTINE)proc, 0, 0, 0 ); 
	CloseHandle(hThread); 
} 
 
void CCRC32ProjDlg::OnChangeEditData()  
{ 
	if(((CComboBox*)GetDlgItem(IDC_COMBO_TYPE))->GetCurSel() == 1) 
	{ 
		CString strInput; 
		GetDlgItemText(IDC_EDIT_DATA, strInput); 
		if(strInput.IsEmpty()) 
		{ 
			SetDlgItemText(IDC_EDIT_RESULT, ""); 
			return ; 
		} 
 
		string strCRC32 = ""; 
		if(((CButton*)GetDlgItem(IDC_CHECK_UPPER))->GetCheck()) 
			strCRC32  = m_CRC32Ex.GetCRC32FromBuffer((unsigned char *)(LPCTSTR)strInput, strInput.GetLength(), true); 
		else 
			strCRC32  = m_CRC32Ex.GetCRC32FromBuffer((unsigned char *)(LPCTSTR)strInput, strInput.GetLength(), false); 
 
		SetDlgItemText(IDC_EDIT_RESULT, strCRC32.c_str()); 
	} 
} 
 
void CCRC32ProjDlg::OnCheckUpper()  
{ 
	CString strInput; 
	GetDlgItemText(IDC_EDIT_RESULT, strInput); 
	if(strInput.IsEmpty()) 
		return ; 
 
	if(((CButton*)GetDlgItem(IDC_CHECK_UPPER))->GetCheck()) 
		SetDlgItemText(IDC_EDIT_RESULT, CharUpper((LPSTR)(LPCTSTR)strInput)); 
	else 
		SetDlgItemText(IDC_EDIT_RESULT, CharLower((LPSTR)(LPCTSTR)strInput)); 
} 
 
void CCRC32ProjDlg::OnProcess(int nProgress) 
{ 
	m_Pos.SetPos(nProgress); 
} 
 
void CCRC32ProjDlg::OnBtnBrowse()  
{ 
	FileDlg dlg; 
	vector Files = dlg.GetOpenFileName(m_hWnd, false); 
	if(Files.size() > 0) 
		SetDlgItemText(IDC_EDIT_DATA, Files[0].c_str()); 
} 
 
DWORD CCRC32ProjDlg::ThreadProc( LPVOID lpParameter ) 
{ 
	CString strInput; 
	GetDlgItemText(IDC_EDIT_DATA, strInput); 
	if(strInput.IsEmpty()) 
	{ 
		SetDlgItemText(IDC_EDIT_RESULT, ""); 
		return 0; 
	} 
 
	MemberFxn Addr(this, &CCRC32ProjDlg::OnProcess); 
	string strCRC32 = ""; 
	if(((CButton*)GetDlgItem(IDC_CHECK_UPPER))->GetCheck()) 
		strCRC32  = m_CRC32Ex.GetCRC32FromFile((char*)(LPCTSTR)strInput, true, Addr); 
	else 
		strCRC32  = m_CRC32Ex.GetCRC32FromFile((char*)(LPCTSTR)strInput, false, Addr); 
 
 
	string strErr = m_CRC32Ex.GetError(); 
 
	if(strCRC32.empty() || !strErr.empty()) 
	{ 
		AfxMessageBox(strErr.c_str()); 
		GetDlgItem(IDC_PROGRESS)->ShowWindow(SW_HIDE); 
		GetDlgItem(IDC_CHECK_UPPER)->ShowWindow(SW_SHOW); 
		SetDlgItemText(IDC_BTN_CALCULATION, "计算(&C)"); 
		return 0; 
	} 
 
	SetDlgItemText(IDC_EDIT_RESULT, strCRC32.c_str()); 
 
	AfxMessageBox("计算完成"); 
	GetDlgItem(IDC_PROGRESS)->ShowWindow(SW_HIDE); 
	GetDlgItem(IDC_CHECK_UPPER)->ShowWindow(SW_SHOW); 
	SetDlgItemText(IDC_BTN_CALCULATION, "计算(&C)"); 
 
	return 0; 
} 
void CCRC32ProjDlg::OnDropFiles(HDROP hDropInfo)  
{ 
	SetDlgItemText(IDC_EDIT_DATA, ""); 
	SetDlgItemText(IDC_EDIT_RESULT, ""); 
 
	int nFiles = ::DragQueryFile(hDropInfo, 0xFFFFFFFF, NULL, NULL); 
	if(nFiles > 0) 
	{ 
		char buf[MAX_PATH] = { 0 }; 
		memset(buf, 0, MAX_PATH); 
		::DragQueryFile(hDropInfo, 0, buf, sizeof(buf)); 
 
//		if(GetFileAttributes(buf) == FILE_ATTRIBUTE_DIRECTORY) 
//			SetDlgItemText(IDC_EDIT_DATA, ""); 
//		else 
//			SetDlgItemText(IDC_EDIT_DATA, buf); 
 
		WIN32_FIND_DATA data; 
		HANDLE hFile = ::FindFirstFile(buf, &data); 
		if(hFile == INVALID_HANDLE_VALUE)  
			return ; 
 
		CloseHandle(hFile); 
 
		if(data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) 
			return ; 
 
		SetDlgItemText(IDC_EDIT_DATA, buf); 
	} 
	 
	CDialog::OnDropFiles(hDropInfo); 
}