Method onNewCenterFreq

Components/PanoramicDialog.cpp:1035–1069

}

void
PanoramicDialog::onNewCenterFreq(qint64 freq)
{
  qint64 span = this->currBw;
  qint64 min = freq - span / 2;
  qint64 max = freq + span / 2;
  bool smallRange;
  bool leftBorder = false;
  bool rightBorder = false;
  if (min <= this->getMinFreq()) {
    leftBorder = true;
    min = static_cast<qint64>(this->getMinFreq());
  }

  if (max >= this->getMaxFreq()) {
    rightBorder = true;
    max = static_cast<qint64>(this->getMaxFreq());
  }

  smallRange = static_cast<quint64>(max - min) <= this->minBwForZoom;

  if (smallRange) {
    if (leftBorder && !rightBorder) {
      max = min + span;
    } else if (rightBorder && !leftBorder) {
      min = max - span;
    }
  }

  if (rightBorder || leftBorder)
    this->ui->waterfall->setCenterFreq(
        static_cast<qint64>(.5 * (max + min)));

  emit detailChanged(min, max, this->fixedFreqMode);
}

void
PanoramicDialog::onPaletteChanged(int)