Function UpdateTransferProgress

qrenderdoc/Code/QRDUtils.cpp:3362–3429

}

void UpdateTransferProgress(qint64 xfer, qint64 total, QElapsedTimer *timer,
                            QProgressBar *progressBar, QLabel *progressLabel, QString progressText)
{
  if(xfer >= total)
  {
    progressBar->setMaximum(10000);
    progressBar->setValue(10000);
    return;
  }

  if(total <= 0)
  {
    progressBar->setMaximum(10000);
    progressBar->setValue(0);
    return;
  }

  progressBar->setMaximum(10000);
  progressBar->setValue(int(10000.0 * (double(xfer) / double(total))));

  double xferMB = double(xfer) / 1000000.0;
  double totalMB = double(total) / 1000000.0;

  double secondsElapsed = double(timer->nsecsElapsed()) * 1.0e-9;

  double speedMBS = xferMB / secondsElapsed;

  qulonglong secondsRemaining = qulonglong(double(totalMB - xferMB) / speedMBS);

  if(secondsElapsed > 1.0)
  {
    QString remainString;

    qulonglong minutesRemaining = (secondsRemaining / 60) % 60;
    qulonglong hoursRemaining = (secondsRemaining / 3600);
    secondsRemaining %= 60;

    if(hoursRemaining > 0)
      remainString = QFormatStr("%1:%2:%3")
                         .arg(hoursRemaining, 2, 10, QLatin1Char('0'))
                         .arg(minutesRemaining, 2, 10, QLatin1Char('0'))
                         .arg(secondsRemaining, 2, 10, QLatin1Char('0'));
    else if(minutesRemaining > 0)
      remainString = QFormatStr("%1:%2")
                         .arg(minutesRemaining, 2, 10, QLatin1Char('0'))
                         .arg(secondsRemaining, 2, 10, QLatin1Char('0'));
    else
      remainString = QApplication::translate("qrenderdoc", "%1 seconds").arg(secondsRemaining);

    double speed = speedMBS;

    bool MBs = true;
    if(speedMBS < 1)
    {
      MBs = false;
      speed *= 1000;
    }