630 lines
14 KiB
C++
630 lines
14 KiB
C++
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// ProgressBar.cpp : implementation file
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/////////////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include "ProgressBar.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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IMPLEMENT_DYNCREATE(CProgressBar, CProgressCtrl)
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BEGIN_MESSAGE_MAP(CProgressBar, CProgressCtrl)
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//{{AFX_MSG_MAP(CProgressBar)
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ON_WM_ERASEBKGND()
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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/**************************************************************************\
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* CProgressBar::CProgressBar()
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*
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* Constructor for the progress control
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*
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*
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* Arguments:
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*
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* none
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*
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* Return Value:
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*
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* none
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*
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* History:
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*
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* 2/14/1999 Original Version
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*
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\**************************************************************************/
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CProgressBar::CProgressBar()
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{
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m_Rect.SetRect(0,0,0,0);
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}
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/**************************************************************************\
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* CProgressBar::
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*
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* Constructor for the Progress control
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*
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*
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* Arguments:
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*
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* strMessage - Status message to display
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* nSize - Max range of Progress control
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* MaxValue - Max range of Progress control
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* bSmooth - Smooth/Normal mode of progress display
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* nPane - which pane to display the progress control
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*
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* Return Value:
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*
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* none
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*
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* History:
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*
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* 2/14/1999 Original Version
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*
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\**************************************************************************/
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CProgressBar::CProgressBar(LPCTSTR strMessage, int nSize /*=100*/,
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int MaxValue /*=100*/, BOOL bSmooth /*=FALSE*/,
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int nPane/*=0*/)
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{
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Create(strMessage, nSize, MaxValue, bSmooth, nPane);
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}
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/**************************************************************************\
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* CProgressBar::~CProgressBar()
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*
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* Destruction
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*
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*
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* Arguments:
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*
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* none
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*
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* Return Value:
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*
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* none
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*
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* History:
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*
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* 2/14/1999 Original Version
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*
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\**************************************************************************/
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CProgressBar::~CProgressBar()
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{
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Clear();
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}
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/**************************************************************************\
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* CProgressBar::GetStatusBar()
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*
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* Returns the Status bar
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*
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*
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* Arguments:
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*
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* none
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*
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* Return Value:
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*
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* CStatusBar* - Status bar to be returned
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*
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* History:
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*
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* 2/14/1999 Original Version
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*
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\**************************************************************************/
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CStatusBar* CProgressBar::GetStatusBar()
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{
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CWnd *pMainWnd = AfxGetMainWnd();
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if (!pMainWnd)
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return NULL;
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// If main window is a frame window, use normal methods...
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if (pMainWnd->IsKindOf(RUNTIME_CLASS(CFrameWnd)))
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{
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CWnd* pMessageBar = ((CFrameWnd*)pMainWnd)->GetMessageBar();
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return DYNAMIC_DOWNCAST(CStatusBar, pMessageBar);
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}
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// otherwise traverse children to try and find the status bar...
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else
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return DYNAMIC_DOWNCAST(CStatusBar,
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pMainWnd->GetDescendantWindow(AFX_IDW_STATUS_BAR));
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}
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/**************************************************************************\
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* CProgressBar::Create()
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*
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* Creates a new progress control
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* Create the CProgressCtrl as a child of the status bar positioned
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* over the first pane, extending "nSize" percentage across pane.
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* Sets the range to be 0 to MaxValue, with a step of 1.
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*
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*
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* Arguments:
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*
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* strMessage - Status message to display
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* nSize - Max range of Progress control
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* MaxValue - Max range of Progress control
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* bSmooth - Smooth/Normal mode of progress display
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* nPane - which pane to display the progress control
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*
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* Return Value:
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*
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* none
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*
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* History:
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*
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* 2/14/1999 Original Version
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*
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\**************************************************************************/
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BOOL CProgressBar::Create(LPCTSTR strMessage, int nSize /*=100*/,
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int MaxValue /*=100*/, BOOL bSmooth /*=FALSE*/, int nPane/*=0*/)
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{
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BOOL bSuccess = FALSE;
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CStatusBar *pStatusBar = GetStatusBar();
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if (!pStatusBar)
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return FALSE;
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DWORD dwStyle = WS_CHILD|WS_VISIBLE;
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#ifdef PBS_SMOOTH
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if (bSmooth)
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dwStyle |= PBS_SMOOTH;
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#endif
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// Get CRect coordinates for requested status bar pane
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CRect PaneRect;
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pStatusBar->GetItemRect(nPane, &PaneRect);
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// Create the progress bar
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bSuccess = CProgressCtrl::Create(dwStyle, PaneRect, pStatusBar, 1);
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ASSERT(bSuccess);
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if (!bSuccess)
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return FALSE;
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// Set range and step
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SetRange(0, MaxValue);
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SetStep(1);
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m_strMessage = strMessage;
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m_nSize = nSize;
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m_nPane = nPane;
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m_strPrevText = pStatusBar->GetPaneText(m_nPane);
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// Resize the control to its desired width
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Resize();
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return TRUE;
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}
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/**************************************************************************\
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* CProgressBar::Clear()
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*
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* Destroy the progress control
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*
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*
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* Arguments:
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*
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* none
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*
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* Return Value:
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*
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* none
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*
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* History:
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*
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* 2/14/1999 Original Version
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*
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\**************************************************************************/
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void CProgressBar::Clear()
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{
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if (!IsWindow(GetSafeHwnd()))
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return;
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// Hide the window. This is necessary so that a cleared
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// window is not redrawn if "Resize" is called
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ModifyStyle(WS_VISIBLE, 0);
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CString str;
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if (m_nPane == 0)
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str.LoadString(AFX_IDS_IDLEMESSAGE); // Get the IDLE_MESSAGE
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else
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str = m_strPrevText; // Restore previous text
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// Place the IDLE_MESSAGE in the status bar
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CStatusBar *pStatusBar = GetStatusBar();
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if (pStatusBar)
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{
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pStatusBar->SetPaneText(m_nPane, str);
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pStatusBar->UpdateWindow();
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}
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}
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/**************************************************************************\
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* CProgressBar::SetText()
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*
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* Set the display text for the progress control
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*
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*
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* Arguments:
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*
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* none
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*
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* Return Value:
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*
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* none
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*
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* History:
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*
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* 2/14/1999 Original Version
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*
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\**************************************************************************/
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BOOL CProgressBar::SetText(LPCTSTR strMessage)
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{
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m_strMessage = strMessage;
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SetPaneText(m_nPane,m_strMessage);
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return Resize();
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}
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/**************************************************************************\
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* CProgressBar::SetSize()
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*
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* Set the size for the progress control
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*
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*
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* Arguments:
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*
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* nSize - New size for the progress control
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*
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* Return Value:
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*
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* none
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*
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* History:
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*
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* 2/14/1999 Original Version
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*
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\**************************************************************************/
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BOOL CProgressBar::SetSize(int nSize)
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{
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m_nSize = nSize;
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return Resize();
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}
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/**************************************************************************\
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* CProgressBar::SetBarColour()
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*
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* Sets the color for the progress control
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*
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*
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* Arguments:
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*
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* clrBar - Color for progress control
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*
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* Return Value:
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*
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* COLORREF last color of progress control
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*
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* History:
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*
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* 2/14/1999 Original Version
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*
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\**************************************************************************/
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COLORREF CProgressBar::SetBarColour(COLORREF clrBar)
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{
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#ifdef PBM_SETBKCOLOR
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if (!IsWindow(GetSafeHwnd()))
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return CLR_DEFAULT;
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return (COLORREF )SendMessage(PBM_SETBARCOLOR, 0, (LPARAM) clrBar);
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#else
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UNUSED(clrBar);
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return CLR_DEFAULT;
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#endif
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}
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/**************************************************************************\
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* CProgressBar::SetBkColour()
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*
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* Sets the background color for the progress control
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*
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*
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* Arguments:
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*
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* none
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*
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* Return Value:
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*
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* COLORREF last color of progress control background
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*
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* History:
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*
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* 2/14/1999 Original Version
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*
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\**************************************************************************/
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COLORREF CProgressBar::SetBkColour(COLORREF clrBk)
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{
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#ifdef PBM_SETBKCOLOR
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if (!IsWindow(GetSafeHwnd()))
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return CLR_DEFAULT;
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return (COLORREF) SendMessage(PBM_SETBKCOLOR, 0, (LPARAM) clrBk);
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#else
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UNUSED(clrBk);
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return CLR_DEFAULT;
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#endif
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}
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/**************************************************************************\
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* CProgressBar::SetRange()
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*
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* Set the range limits for the progress control
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*
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*
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* Arguments:
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*
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* nLower - Lower limit
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* nUpper - Upper limit
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* nStep - Step value
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*
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* Return Value:
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*
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* status
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*
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* History:
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*
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* 2/14/1999 Original Version
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*
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\**************************************************************************/
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BOOL CProgressBar::SetRange(int nLower, int nUpper, int nStep /* = 1 */)
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{
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if (!IsWindow(GetSafeHwnd()))
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return FALSE;
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// To take advantage of the Extended Range Values we use the PBM_SETRANGE32
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// message intead of calling CProgressCtrl::SetRange directly. If this is
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// being compiled under something less than VC 5.0, the necessary defines
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// may not be available.
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#ifdef PBM_SETRANGE32
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ASSERT(-0x7FFFFFFF <= nLower && nLower <= 0x7FFFFFFF);
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ASSERT(-0x7FFFFFFF <= nUpper && nUpper <= 0x7FFFFFFF);
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SendMessage(PBM_SETRANGE32, (WPARAM) nLower, (LPARAM) nUpper);
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#else
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ASSERT(0 <= nLower && nLower <= 65535);
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ASSERT(0 <= nUpper && nUpper <= 65535);
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CProgressCtrl::SetRange(nLower, nUpper);
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#endif
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CProgressCtrl::SetStep(nStep);
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return TRUE;
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}
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/**************************************************************************\
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* CProgressBar::SetPos()
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*
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* Sets the current position for the progress control
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*
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*
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* Arguments:
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*
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* nPos - new Postion to be set
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*
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* Return Value:
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*
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* status
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*
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* History:
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*
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* 2/14/1999 Original Version
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*
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\**************************************************************************/
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int CProgressBar::SetPos(int nPos)
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{
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if (!IsWindow(GetSafeHwnd()))
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return 0;
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#ifdef PBM_SETRANGE32
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ASSERT(-0x7FFFFFFF <= nPos && nPos <= 0x7FFFFFFF);
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#else
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ASSERT(0 <= nPos && nPos <= 65535);
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#endif
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ModifyStyle(0,WS_VISIBLE);
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return CProgressCtrl::SetPos(nPos);
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}
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||
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|
/**************************************************************************\
|
||
|
|
* CProgressBar::OffestPos()
|
||
|
|
*
|
||
|
|
* Set the progress control's offset
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* Arguments:
|
||
|
|
*
|
||
|
|
* nPos - Position offset
|
||
|
|
*
|
||
|
|
* Return Value:
|
||
|
|
*
|
||
|
|
* status
|
||
|
|
*
|
||
|
|
* History:
|
||
|
|
*
|
||
|
|
* 2/14/1999 Original Version
|
||
|
|
*
|
||
|
|
\**************************************************************************/
|
||
|
|
int CProgressBar::OffsetPos(int nPos)
|
||
|
|
{
|
||
|
|
if (!IsWindow(GetSafeHwnd()))
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
ModifyStyle(0,WS_VISIBLE);
|
||
|
|
return CProgressCtrl::OffsetPos(nPos);
|
||
|
|
}
|
||
|
|
/**************************************************************************\
|
||
|
|
* CProgressBar::SetStep()
|
||
|
|
*
|
||
|
|
* Set progress control's step value
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* Arguments:
|
||
|
|
*
|
||
|
|
* nStep - Step value to be set
|
||
|
|
*
|
||
|
|
* Return Value:
|
||
|
|
*
|
||
|
|
* none
|
||
|
|
*
|
||
|
|
* History:
|
||
|
|
*
|
||
|
|
* 2/14/1999 Original Version
|
||
|
|
*
|
||
|
|
\**************************************************************************/
|
||
|
|
int CProgressBar::SetStep(int nStep)
|
||
|
|
{
|
||
|
|
if (!IsWindow(GetSafeHwnd()))
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
ModifyStyle(0,WS_VISIBLE);
|
||
|
|
return CProgressCtrl::SetStep(nStep);
|
||
|
|
}
|
||
|
|
/**************************************************************************\
|
||
|
|
* CProgressBar::StepIt()
|
||
|
|
*
|
||
|
|
* Step the progress control standard step value
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* Arguments:
|
||
|
|
*
|
||
|
|
* none
|
||
|
|
*
|
||
|
|
* Return Value:
|
||
|
|
*
|
||
|
|
* none
|
||
|
|
*
|
||
|
|
* History:
|
||
|
|
*
|
||
|
|
* 2/14/1999 Original Version
|
||
|
|
*
|
||
|
|
\**************************************************************************/
|
||
|
|
int CProgressBar::StepIt()
|
||
|
|
{
|
||
|
|
if (!IsWindow(GetSafeHwnd()))
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
ModifyStyle(0,WS_VISIBLE);
|
||
|
|
return CProgressCtrl::StepIt();
|
||
|
|
}
|
||
|
|
/**************************************************************************\
|
||
|
|
* CProgressBar::Resize()
|
||
|
|
*
|
||
|
|
* Resize the progress control to fit
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* Arguments:
|
||
|
|
*
|
||
|
|
* none
|
||
|
|
*
|
||
|
|
* Return Value:
|
||
|
|
*
|
||
|
|
* status
|
||
|
|
*
|
||
|
|
* History:
|
||
|
|
*
|
||
|
|
* 2/14/1999 Original Version
|
||
|
|
*
|
||
|
|
\**************************************************************************/
|
||
|
|
BOOL CProgressBar::Resize()
|
||
|
|
{
|
||
|
|
if (!IsWindow(GetSafeHwnd()))
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
CStatusBar *pStatusBar = GetStatusBar();
|
||
|
|
if (!pStatusBar)
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
// Redraw the window text
|
||
|
|
if (IsWindowVisible())
|
||
|
|
{
|
||
|
|
pStatusBar->SetPaneText(m_nPane, m_strMessage);
|
||
|
|
pStatusBar->UpdateWindow();
|
||
|
|
}
|
||
|
|
|
||
|
|
// Calculate how much space the text takes up
|
||
|
|
CClientDC dc(pStatusBar);
|
||
|
|
CFont *pOldFont = dc.SelectObject(pStatusBar->GetFont());
|
||
|
|
CSize size = dc.GetTextExtent(m_strMessage); // Length of text
|
||
|
|
int margin = dc.GetTextExtent(_T(" ")).cx * 2; // Text margin
|
||
|
|
dc.SelectObject(pOldFont);
|
||
|
|
|
||
|
|
// Now calculate the rectangle in which we will draw the progress bar
|
||
|
|
CRect rc;
|
||
|
|
pStatusBar->GetItemRect(m_nPane, rc);
|
||
|
|
|
||
|
|
// Position left of progress bar after text and right of progress bar
|
||
|
|
// to requested percentage of status bar pane
|
||
|
|
if (!m_strMessage.IsEmpty())
|
||
|
|
rc.left += (size.cx + 2*margin);
|
||
|
|
rc.right -= (rc.right - rc.left) * (100 - m_nSize) / 100;
|
||
|
|
|
||
|
|
if (rc.right < rc.left) rc.right = rc.left;
|
||
|
|
|
||
|
|
// Leave a litle vertical margin (10%) between the top and bottom of the bar
|
||
|
|
int Height = rc.bottom - rc.top;
|
||
|
|
rc.bottom -= Height/10;
|
||
|
|
rc.top += Height/10;
|
||
|
|
|
||
|
|
// If the window size has changed, resize the window
|
||
|
|
if (rc != m_Rect)
|
||
|
|
{
|
||
|
|
MoveWindow(&rc);
|
||
|
|
m_Rect = rc;
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
/**************************************************************************\
|
||
|
|
* CProgressBar::OnEraseBkgnd()
|
||
|
|
*
|
||
|
|
* Resize, progress control
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* Arguments:
|
||
|
|
*
|
||
|
|
* none
|
||
|
|
*
|
||
|
|
* Return Value:
|
||
|
|
*
|
||
|
|
* status
|
||
|
|
*
|
||
|
|
* History:
|
||
|
|
*
|
||
|
|
* 2/14/1999 Original Version
|
||
|
|
*
|
||
|
|
\**************************************************************************/
|
||
|
|
BOOL CProgressBar::OnEraseBkgnd(CDC* pDC)
|
||
|
|
{
|
||
|
|
Resize();
|
||
|
|
return CProgressCtrl::OnEraseBkgnd(pDC);
|
||
|
|
}
|
||
|
|
/**************************************************************************\
|
||
|
|
* CProgressBar::SetPaneText()
|
||
|
|
*
|
||
|
|
* Set the text for the Pane (Status text for progress control)
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* Arguments:
|
||
|
|
*
|
||
|
|
* nPane - pane number
|
||
|
|
* strText - Text to add to the status pane
|
||
|
|
*
|
||
|
|
* Return Value:
|
||
|
|
*
|
||
|
|
* status
|
||
|
|
*
|
||
|
|
* History:
|
||
|
|
*
|
||
|
|
* 2/14/1999 Original Version
|
||
|
|
*
|
||
|
|
\**************************************************************************/
|
||
|
|
BOOL CProgressBar::SetPaneText(int nPane, LPCTSTR strText)
|
||
|
|
{
|
||
|
|
CStatusBar* pStatusBar = GetStatusBar();
|
||
|
|
if(pStatusBar != NULL)
|
||
|
|
{
|
||
|
|
pStatusBar->SetPaneText(nPane,strText);
|
||
|
|
pStatusBar->UpdateWindow();
|
||
|
|
}
|
||
|
|
return TRUE;
|
||
|
|
}
|