Method previousFrame

app/src/Sessions/Player.cpp:656–666

* @brief Steps one frame back and rebuilds the trailing plot window. */

 * @brief Steps one frame back and rebuilds the trailing plot window.
 */
void Sessions::Player::previousFrame()
{
  if (m_framePos > 0) {
    --m_framePos;
    UI::Dashboard::instance().clearPlotData();
    const int toLoad   = UI::Dashboard::instance().points();
    const int startIdx = std::max(0, m_framePos - toLoad);
    processFrameBatch(startIdx, m_framePos);
    updateData();
  }
}

//--------------------------------------------------------------------------------------------------
// Data processing