Method updateRange

app/src/UI/Widgets/Plot.cpp:640–673

* @brief Updates the range of the X-axis values. */

 * @brief Updates the range of the X-axis values.
 */
void Widgets::Plot::updateRange()
{
  if (!VALIDATE_WIDGET(SerialStudio::DashboardPlot, m_index)) {
    Q_EMIT rangeChanged();
    return;
  }

  if (m_timeAxis) {
    const double range    = UI::Dashboard::instance().plotTimeRange();
    const double timebase = m_timebaseMs * 0.001;
    const double window   = (timebase > 0 && timebase < range) ? timebase : range;
    m_minX                = m_sweepEnabled ? 0 : -range;
    m_maxX                = m_sweepEnabled ? window : 0;
    Q_EMIT rangeChanged();
    return;
  }

  const auto& yD = GET_DATASET(SerialStudio::DashboardPlot, m_index);
  if (yD.xAxisId >= 0) {
    const auto& datasets = UI::Dashboard::instance().datasets();
    auto it              = datasets.find(yD.xAxisId);
    if (it != datasets.end()) {
      m_minX = it->pltMin;
      m_maxX = it->pltMax;
    }
  }

  else {
    m_minX = 0;
    m_maxX = UI::Dashboard::instance().points();
  }

  Q_EMIT rangeChanged();
}

/**
 * @brief Calculates the auto-scale range for both X and Y axes of the plot.