www.pudn.com > 6433624505.rar > ProgDlg.cpp

//  ProgDlg.cpp : implementation file 
// CG: This file was added by the Progress Dialog component 
 
#include "stdafx.h" 
#include "resource.h" 
#include "ProgDlg.h" 
 
#ifdef _DEBUG 
#undef THIS_FILE 
static char BASED_CODE THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CProgressDlg dialog 
 
CProgressDlg::CProgressDlg(UINT nCaptionID) 
{ 
	m_nCaptionID = CG_IDS_PROGRESS_CAPTION; 
	if (nCaptionID != 0) 
		m_nCaptionID = nCaptionID; 
 
    m_bCancel=FALSE; 
    m_nLower=0; 
    m_nUpper=100; 
    m_nStep=10; 
    //{{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) 
{ 
    // Get the true parent of the dialog 
    m_pParentWnd = CWnd::GetSafeOwner(pParent); 
 
    if((m_pParentWnd!=NULL) && m_pParentWnd->IsWindowEnabled()) 
    { 
      m_pParentWnd->EnableWindow(FALSE); 
      m_bParentDisabled = TRUE; 
    } 
 
    if(!CDialog::Create(CProgressDlg::IDD,pParent)) 
    { 
      ReEnableParent(); 
      return FALSE; 
    } 
 
	m_ColorBtn1.SubclassDlgItem(CG_IDC_PROGDLG_STATUS,this); 
	m_ColorBtn1.SetBackColor(RGB(99,103,105)); 
	 
    return TRUE; 
} 
 
void CProgressDlg::DoDataExchange(CDataExchange* pDX) 
{ 
    CDialog::DoDataExchange(pDX); 
    //{{AFX_DATA_MAP(CProgressDlg) 
    DDX_Control(pDX, CG_IDC_PROGDLG_PROGRESS, m_Progress); 
    //}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CProgressDlg, CDialog) 
    //{{AFX_MSG_MAP(CProgressDlg) 
	ON_WM_PAINT() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
void CProgressDlg::SetStatus(int num) 
{ 
	CString lpszMessage; 
	lpszMessage.Format("找到 %d 条记录",num); 
    CWnd *pWndStatus = GetDlgItem(CG_IDC_PROGDLG_STATUS); 
    pWndStatus->SetWindowText(lpszMessage); 
} 
void CProgressDlg::SetStatus() 
{ 
	CString lpszMessage; 
	lpszMessage = "正在填充列表,请稍后..."; 
    CWnd *pWndStatus = GetDlgItem(CG_IDC_PROGDLG_STATUS); 
    pWndStatus->SetWindowText(lpszMessage); 
} 
 
void CProgressDlg::OnCancel() 
{ 
    m_bCancel=TRUE; 
} 
 
void CProgressDlg::SetRange(int nLower,int nUpper) 
{ 
    m_nLower = nLower; 
    m_nUpper = nUpper; 
    m_Progress.SetRange(nLower,nUpper); 
} 
   
int CProgressDlg::SetPos(int nPos) 
{ 
    PumpMessages(); 
    int iResult = m_Progress.SetPos(nPos); 
    UpdatePercent(nPos); 
    return iResult; 
} 
 
int CProgressDlg::SetStep(int nStep) 
{ 
    m_nStep = nStep; // Store for later use in calculating percentage 
    return m_Progress.SetStep(nStep); 
} 
 
int CProgressDlg::OffsetPos(int nPos) 
{ 
    PumpMessages(); 
    int iResult = m_Progress.OffsetPos(nPos); 
    UpdatePercent(iResult+nPos); 
    return iResult; 
} 
 
int CProgressDlg::StepIt() 
{ 
    PumpMessages(); 
    int iResult = m_Progress.StepIt(); 
    UpdatePercent(iResult+m_nStep); 
    return iResult; 
} 
 
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);   
      } 
    } 
} 
 
BOOL CProgressDlg::CheckCancelButton() 
{ 
    // Process all pending messages 
    PumpMessages(); 
 
    BOOL bResult = m_bCancel; 
    m_bCancel = FALSE; 
 
    return bResult; 
} 
 
void CProgressDlg::UpdatePercent(int nNewPos) 
{ 
    CWnd *pWndPercent = GetDlgItem(CG_IDC_PROGDLG_PERCENT); 
    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; 
 
    // Display the percentage 
    CString strBuf; 
    strBuf.Format(_T("%d%c"),nPercent,_T('%')); 
 
	CString strCur; // get current percentage 
    pWndPercent->GetWindowText(strCur); 
 
	if (strCur != strBuf) 
		pWndPercent->SetWindowText(strBuf); 
} 
     
///////////////////////////////////////////////////////////////////////////// 
// CProgressDlg message handlers 
 
BOOL CProgressDlg::OnInitDialog()  
{ 
    CDialog::OnInitDialog(); 
    m_Progress.SetRange(m_nLower,m_nUpper); 
    m_Progress.SetStep(m_nStep); 
    m_Progress.SetPos(m_nLower); 
 
	CString strCaption; 
	VERIFY(strCaption.LoadString(m_nCaptionID)); 
    SetWindowText(strCaption); 
 
	m_bitmapground.LoadBitmap(IDB_PROGRESS); 
    return TRUE;   
} 
 
void CProgressDlg::OnPaint()  
{ 
	CPaintDC dc(this); // device context for painting 
	 
	CRect rect; 
	GetClientRect(&rect); 
	CDC dcMem;  
	dcMem.CreateCompatibleDC(&dc);  
	BITMAP bitMap; 
	m_bitmapground.GetBitmap(&bitMap); 
	CBitmap *pbmpOld=dcMem.SelectObject(&m_bitmapground); 
	dc.StretchBlt(0,0,rect.Width(),rect.Height(),&dcMem,0,0,bitMap.bmWidth,bitMap.bmHeight,SRCCOPY); 
	CDialog::OnPaint(); 
}