Method itemAt

pj_plotting/widget/src/PlotLegend.cpp:128–140

}

const QwtPlotItem* PlotLegend::itemAt(const QPoint& pos) const {
  const QRect canvas_rect = parent_plot_->canvas()->rect();
  if (collapsed_ || !isVisible() || !geometry(canvas_rect).contains(pos)) {
    return nullptr;
  }
  for (auto* item : plotItems()) {
    const auto geometries = legendGeometries(item);
    if (!geometries.empty() && geometries.first().contains(pos)) {
      return item;
    }
  }
  return nullptr;
}

const QwtPlotItem* PlotLegend::processMousePressEvent(QMouseEvent* mouse_event) {
  const QRect canvas_rect = parent_plot_->canvas()->rect();