Team Fortress 2 Source Code as on 22/4/2020
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//
//=============================================================================//
// ProgDlg.cpp : implementation file
// CG: This file was added by the Progress Dialog component
#include "stdafx.h"
#include "resource.h"
#include "ProgDlg.h"
// memdbgon must be the last include file in a .cpp file!!!
#include <tier0/memdbgon.h>
/////////////////////////////////////////////////////////////////////////////
// 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);
// 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;
}
if(!CDialog::Create(CProgressDlg::IDD,pParent))
{
ReEnableParent();
return FALSE;
}
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)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
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();
// Reset m_bCancel to FALSE so that
// CheckCancelButton returns FALSE until the user
// clicks Cancel again. This will allow you to call
// CheckCancelButton and still continue the operation.
// If m_bCancel stayed TRUE, then the next call to
// CheckCancelButton would always return TRUE
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);
return TRUE;
}