www.pudn.com > 完整的FTP客户端ftpwanderersrc.zip > ProgressDlg.cpp

/****************************************************************/ 
/*																*/ 
/*  ProgressDlg.cpp												*/ 
/*																*/ 
/*  Implementation of the CProgressDlg class.					*/ 
/*																*/ 
/*  Programmed by Pablo van der Meer							*/ 
/*  Copyright Pablo Software Solutions 2002						*/ 
/*	http://www.pablovandermeer.nl								*/ 
/*																*/ 
/*  Last updated: 5 may 2002									*/ 
/*																*/ 
/****************************************************************/ 
 
#include "stdafx.h" 
#include "resource.h" 
#include "ProgressDlg.h" 
 
#ifdef _DEBUG 
#undef THIS_FILE 
static char BASED_CODE THIS_FILE[] = __FILE__; 
#endif 
 
 
CProgressDlg::CProgressDlg(UINT nCaptionID) 
{ 
	m_nLower = 0; 
	m_nUpper = 100; 
	m_nStep = 1; 
    //{{AFX_DATA_INIT(CProgressDlg) 
    // NOTE: the ClassWizard will add member initialization here 
    //}}AFX_DATA_INIT 
    m_bParentDisabled = FALSE; 
} 
 
 
CProgressDlg::~CProgressDlg() 
{ 
    if(m_hWnd != NULL) 
      DestroyWindow(); 
} 
 
BOOL CProgressDlg::DestroyWindow() 
{ 
    ReEnableParent(); 
    return CDialog::DestroyWindow(); 
} 
 
void CProgressDlg::ReEnableParent() 
{ 
//    if(m_bParentDisabled && (m_pParentWnd!=NULL)) 
  //    m_pParentWnd->EnableWindow(TRUE); 
    m_bParentDisabled=FALSE; 
} 
 
BOOL CProgressDlg::Create(CWnd *pParent, HANDLE hEventKill) 
{ 
    // Get the true parent of the dialog 
 //   m_pParentWnd = CWnd::GetSafeOwner(pParent); 
 
    // m_bParentDisabled is used to re-enable the parent window 
    // when the dialog is destroyed. So we don't want to set 
    // it to TRUE unless the parent was already enabled. 
 
 /*   if((m_pParentWnd!=NULL) && m_pParentWnd->IsWindowEnabled()) 
    { 
      m_pParentWnd->EnableWindow(FALSE); 
      m_bParentDisabled = TRUE; 
    } 
*/ 
	m_hEventKill = hEventKill; 
    if(!CDialog::Create(CProgressDlg::IDD, pParent)) 
    { 
		ReEnableParent(); 
		return FALSE; 
    } 
//	SetWindowPos(&wndBottom, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE); 
    return TRUE; 
} 
 
void CProgressDlg::DoDataExchange(CDataExchange* pDX) 
{ 
    CDialog::DoDataExchange(pDX); 
    //{{AFX_DATA_MAP(CProgressDlg) 
	DDX_Control(pDX, IDC_ANIMATION, m_AnimateCtrl); 
    DDX_Control(pDX, IDC_PROGRESSBAR, m_Progress); 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CProgressDlg, CDialog) 
    //{{AFX_MSG_MAP(CProgressDlg) 
	ON_WM_DESTROY() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
 
 
/********************************************************************/ 
/*																	*/ 
/* Function name : OnInitDialog										*/ 
/* Description   : Initialize dialog.								*/ 
/*																	*/ 
/********************************************************************/ 
BOOL CProgressDlg::OnInitDialog()  
{ 
    CDialog::OnInitDialog(); 
    m_Progress.SetRange(m_nLower,m_nUpper); 
    m_Progress.SetStep(m_nStep); 
    m_Progress.SetPos(m_nLower); 
 
	// open the avi resource. 
	m_AnimateCtrl.Open(m_nAnimationID);  
    m_AnimateCtrl.Play(0, -1, -1); 
    return TRUE;   
} 
 
void CProgressDlg::SetStatus(LPCTSTR lpszMessage) 
{ 
    ASSERT(m_hWnd); // Don't call this _before_ the dialog has 
                    // been created. Can be called from OnInitDialog 
    CWnd *pWndStatus = GetDlgItem(IDC_STATUS); 
 
    // Verify that the static text control exists 
    ASSERT(pWndStatus!=NULL); 
    pWndStatus->SetWindowText(lpszMessage); 
} 
 
void CProgressDlg::SetSecondStatus(LPCTSTR lpszMessage) 
{ 
    ASSERT(m_hWnd); // Don't call this _before_ the dialog has 
                    // been created. Can be called from OnInitDialog 
    CWnd *pWndStatus = GetDlgItem(IDC_SECONDSTATUS); 
 
    // Verify that the static text control exists 
    ASSERT(pWndStatus!=NULL); 
    pWndStatus->SetWindowText(lpszMessage); 
} 
 
 
void CProgressDlg::OnCancel() 
{ 
	// cancel transfer 
	SetEvent(m_hEventKill); 
} 
 
void CProgressDlg::SetUpper(unsigned int nUpper) 
{ 
    m_nLower = 0; 
    m_nUpper = nUpper;//this is the file size 
} 
   
void CProgressDlg::SetPos(unsigned int so_far) 
{ 
    PumpMessages(); 
    UpdatePercent(so_far); 
    return; 
} 
 
void CProgressDlg::PumpMessages() 
{ 
    // Must call Create() before using the dialog 
    ASSERT(m_hWnd!=NULL); 
 
    MSG msg; 
    // Handle dialog messages 
    while(PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) 
    { 
      if(!IsDialogMessage(&msg)) 
      { 
        TranslateMessage(&msg); 
        DispatchMessage(&msg);   
      } 
    } 
} 
 
 
void CProgressDlg::UpdatePercent(int nNewPos) 
{ 
	if (m_nUpper == 0) return;//Do nothing. 
 
//    CWnd *pWndPercent = GetDlgItem(IDC_SECONDSTATUS); 
    int nPercent; 
     
    int nDivisor = m_nUpper - m_nLower; 
    ASSERT(nDivisor>0);  // m_nLower should be smaller than m_nUpper 
 
    int nDividend = (nNewPos - m_nLower); 
    ASSERT(nDividend>=0);   // Current position should be greater than m_nLower 
 
    nPercent = nDividend * 100 / nDivisor; 
 
    // Since the Progress Control wraps, we will wrap the percentage 
    // along with it. However, don't reset 100% back to 0% 
    if(nPercent!=100) 
      nPercent %= 100; 
    m_Progress.SetPos(nPercent);//Lets move the progress bar according to percentage 
 
    // Display the percentage 
    CString strBuf; 
    strBuf.Format("%d%c", nPercent, '%'); 
 
	CString strCur; // get current percentage 
//    pWndPercent->GetWindowText(strCur); 
    GetWindowText(strCur); 
	strBuf += " " + m_strTitle; 
 
//	if (strCur != strBuf) 
//		pWndPercent->SetWindowText(strBuf); 
 
	if (strCur != strBuf) 
		SetWindowText(strBuf); 
} 
     
void CProgressDlg::SetWindowTitle(LPCTSTR lpszText) 
{ 
	m_strTitle = lpszText; 
} 
 
 
 
void CProgressDlg::OnDestroy()  
{ 
	m_AnimateCtrl.Stop(); 
 
	CDialog::OnDestroy(); 
}