progresswnd.cpp

3D reconstruction, medical image processing from colons, using intel image processing for based clas

    CSize ClientSize(nMargin + TextRect.Width() + nMargin,
                     nMargin + TextRect.Height() + nMargin + CancelRect.Height() + nMargin);

    CRect WndRect, ClientRect;

    GetWindowRect(WndRect); 
	GetClientRect(ClientRect);

    WndRect.right = WndRect.left + WndRect.Width() - ClientRect.Width() + ClientSize.cx;
    WndRect.bottom = WndRect.top + WndRect.Height() - ClientRect.Height() + ClientSize.cy;
    MoveWindow(WndRect);

    // Now reposition the controls...
    m_wndProgress.MoveWindow(ProgressRect);
    //m_CancelButton.MoveWindow(CancelRect);
    m_Text.MoveWindow(TextRect);
}

void RxProgressWnd::Clear() 
{ 
    SetText(_T(""));
    SetPos(0);
    m_bCancelled = FALSE; 
    m_nPrevPos = 0;

    if (::IsWindow(GetSafeHwnd()))
        UpdateWindow();
}

void RxProgressWnd::Hide()  
{ 
    if (!::IsWindow(GetSafeHwnd())) 
        return;

    if (IsWindowVisible())
    {
        ShowWindow(SW_HIDE);
        ModifyStyle(WS_VISIBLE, 0);
    }
}

void RxProgressWnd::Show()  
{ 
    if (!::IsWindow(GetSafeHwnd()))
        return;

    if (!IsWindowVisible())
    {
        ModifyStyle(0, WS_VISIBLE);
        ShowWindow(SW_SHOWNA);
        RedrawWindow(NULL,NULL,RDW_ERASE|RDW_FRAME|RDW_INVALIDATE);
    }
}

void RxProgressWnd::SetRange(int nLower, int nUpper, int nStep /* = 1 */)    
{
    if (!::IsWindow(GetSafeHwnd())) 
        return;

    // To take advantage of the Extended Range Values we use the PBM_SETRANGE32
    // message intead of calling CProgressCtrl::SetRange directly. If this is
    // being compiled under something less than VC 5.0, the necessary defines
    // may not be available.
#ifdef PBM_SETRANGE32
    ASSERT(-0x7FFFFFFF <= nLower && nLower <= 0x7FFFFFFF);
    ASSERT(-0x7FFFFFFF <= nUpper && nUpper <= 0x7FFFFFFF);
    m_wndProgress.SendMessage(PBM_SETRANGE32, (WPARAM) nLower, (LPARAM) nUpper);
#else
    ASSERT(0 <= nLower && nLower <= 65535);
    ASSERT(0 <= nUpper && nUpper <= 65535);
    m_wndProgress.SetRange(nLower, nUpper);
#endif

    m_nMaxValue = nUpper;
    m_nMinValue = nLower;
    m_nStep     = nStep;

    m_wndProgress.SetStep(nStep);
}

int RxProgressWnd::OffsetPos(int nPos)
{ 
    if (!::IsWindow(GetSafeHwnd())) 
        return m_nPrevPos;

    Show();

    return SetPos(m_nPrevPos + nPos);  
}

int RxProgressWnd::StepIt()                
{
    if (!::IsWindow(GetSafeHwnd())) 
        return m_nPrevPos;

    Show();

    return SetPos(m_nPrevPos + m_nStep); 
}

int RxProgressWnd::SetStep(int nStep)
{
    int nOldStep = m_nStep;
    m_nStep = nStep;
    if (!::IsWindow(GetSafeHwnd())) 
        return nOldStep;

    return m_wndProgress.SetStep(nStep); 
}

int RxProgressWnd::SetPos(int nPos)                    
{
#ifdef PBM_SETRANGE32
    ASSERT(-0x7FFFFFFF <= nPos && nPos <= 0x7FFFFFFF);
#else
    ASSERT(0 <= nPos && nPos <= 65535);
#endif

    if (!::IsWindow(GetSafeHwnd())) 
        return m_nPrevPos;

    Show();

    CString strTitle;
    int nPercentage;
    
    m_nPrevPos = nPos;

    if (m_nMaxValue > m_nMinValue)
        nPercentage = (nPos*100)/(m_nMaxValue - m_nMinValue);
    else
        nPercentage = 0;

    if (nPercentage != m_nPrevPercent) 
    {
        m_nPrevPercent = nPercentage;
        strTitle.Format(_T("%s [%d%%]"),m_strTitle,nPercentage);
        SetWindowText(strTitle);
    }
    return m_wndProgress.SetPos(nPos);        
}

void RxProgressWnd::SetText(LPCTSTR fmt, ...)
{
    if (!::IsWindow(GetSafeHwnd())) 
        return;

    va_list args;
    TCHAR buffer[512];

    va_start(args, fmt);
    _vstprintf(buffer, fmt, args);
    va_end(args);

    m_Text.SetWindowText(buffer);
}

BEGIN_MESSAGE_MAP(RxProgressWnd, CWnd)
    //{{AFX_MSG_MAP(RxProgressWnd)
    ON_WM_ERASEBKGND()
	//}}AFX_MSG_MAP
    ON_BN_CLICKED(IDC_CANCEL, OnCancel)
END_MESSAGE_MAP()


/////////////////////////////////////////////////////////////////////////////
// RxProgressWnd message handlers

BOOL RxProgressWnd::OnEraseBkgnd(CDC* pDC) 
{
    // Fill background with Catchment background colour
    CBrush backBrush(GetSysColor(COLOR_BTNFACE));
    CBrush* pOldBrush = pDC->SelectObject(&backBrush);
    CRect rect;
    pDC->GetClipBox(&rect);     // Erase the area needed
    pDC->PatBlt(rect.left, rect.top, rect.Width(), rect.Height(), PATCOPY);
    pDC->SelectObject(pOldBrush);

    return TRUE;
}

void RxProgressWnd::OnCancel() 
{
	if (m_bNoCancel)
		return;

    m_bCancelled = TRUE;
    Hide();

    if (m_bModal)
        SendMessage(WM_CLOSE);

	//RxMainFrame *pMainFrm = (RxMainFrame *)AfxGetMainWnd();
	//if (pMainFrm && ::IsWindow(pMainFrm->m_hWnd))
	//	pMainFrm->SetForegroundWindow();

	CWnd *pWnd = RxGetFrameMain();
	if (pWnd && ::IsWindow(pWnd->m_hWnd))
		int re = pWnd->SetForegroundWindow();
}


BOOL RxProgressWnd::DestroyWindow() 
{
    if (m_bPersistantPosition)
        SaveCurrentSettings();

    if (m_bModal)
    {
        m_bModal = FALSE;

		CWnd *pMainWnd;
		if (m_bNoCancel)
			pMainWnd = AfxGetMainWnd();
		else
			pMainWnd = RxGetFrameMain();

		if (pMainWnd)
			pMainWnd->EnableWindow(TRUE);
    }
	
	return CWnd::DestroyWindow();
}

// Message pumping function that can either be used to pump messages during
// long operations. This version will only pass messages to this window (and
// all child windows). (Thanks to Michael <[e-mail]> for this)
void RxProgressWnd::PeekAndPump(BOOL bCancelOnESCkey /*= TRUE*/)
{
    if (m_bModal && ::GetFocus() != m_hWnd)
        SetFocus();

    MSG msg;
    while (!m_bCancelled && ::PeekMessage(&msg, NULL,0 ,0 , PM_NOREMOVE)) 
    {
        if (bCancelOnESCkey && (msg.message == WM_CHAR) && (msg.wParam == VK_ESCAPE))
            OnCancel();

        // Cancel button disabled if modal, so we fake it.
        if (m_bModal && (msg.message == WM_LBUTTONUP))
        {
            CRect rect;
            m_CancelButton.GetWindowRect(rect);
            if (rect.PtInRect(msg.pt))
                OnCancel();
        }
  
        if (!AfxGetApp()->PumpMessage()) 
        {
            ::PostQuitMessage(0);
            return;
        } 
    }
}

// Retores the previous window size from the registry
void RxProgressWnd::GetPreviousSettings()
{
    int x = AfxGetApp()->GetProfileInt(szSection, szEntryX, -1);
    int y = AfxGetApp()->GetProfileInt(szSection, szEntryY, -1);

    if (x >= 0 && x < GetSystemMetrics(SM_CXSCREEN) &&
        y >= 0 && y < GetSystemMetrics(SM_CYSCREEN))
    {
        SetWindowPos(NULL, x,y, 0,0, SWP_NOSIZE|SWP_NOZORDER);
    }
    else
        CenterWindow();
}

// Saves the current window position registry
void RxProgressWnd::SaveCurrentSettings()
{   
    if (!IsWindow(m_hWnd))
        return;

    CRect rect;
    GetWindowRect(rect);

    AfxGetApp()->WriteProfileInt(szSection, szEntryX, rect.left);
    AfxGetApp()->WriteProfileInt(szSection, szEntryY, rect.top);
}