Method updateRefreshRates

Default/FFT/FFTWidget.cpp:401–431

}

void
FFTWidget::updateRefreshRates(void)
{
  int index = 0;
  int selectedIndex = 0;
  unsigned int diff;
  unsigned int bestMatch = 1 << 20; /* Just a big number */
  this->ui->rateCombo->clear();

  for (auto p = this->refreshRates.begin(); p != this->refreshRates.end(); ++p) {
    if (*p == 0) {
      QString defString = this->defaultRefreshRate == 0
          ? ""
          : "  (" + QString::number(this->refreshRate) + " fps)";
      this->ui->rateCombo->addItem("Default" + defString);
    } else {
      this->ui->rateCombo->addItem(QString::number(*p) + " fps");
    }

    diff = SCAST(unsigned,
          std::abs(SCAST(int, *p) - SCAST(int, this->refreshRate)));
    if (diff < bestMatch) {
      selectedIndex = index;
      bestMatch = diff;
    }

    ++index;
  }

  this->ui->rateCombo->setCurrentIndex(selectedIndex);
}

static QString
secondsToString(unsigned int seconds)