Function keyForTopic

pj_plotting/tests/plot_widget_replace_curve_test.cpp:35–42

Catalog key (opaque "dataset:N/topic:M/column:K") for a given topic id.

// Catalog key (opaque "dataset:N/topic:M/column:K") for a given topic id.
QString keyForTopic(PJ::CatalogModel& catalog, PJ::TopicId topic_id) {
  for (const auto& curve : catalog.curves()) {
    if (const auto descriptor = catalog.curveDescriptor(curve.name); descriptor && descriptor->topic_id == topic_id) {
      return curve.name;
    }
  }
  return {};
}

}  // namespace