Method contextMenuEvent

src/openms_gui/source/VISUAL/LayerListView.cpp:136–186

    }
  }
  void LayerListView::contextMenuEvent(QContextMenuEvent* event)
  {
    QListWidgetItem* item = this->itemAt(event->pos());
    if (!item)
    {
      return;
    }
    int layer_idx = this->row(item);
    QMenu* context_menu = new QMenu(this);
    
    context_menu->addAction("Rename", [&]() {
      QString name = QInputDialog::getText(this, "Rename layer", "Name:", QLineEdit::Normal, spectrum_widget_->canvas()->getLayerName(layer_idx).toQString());
      if (name != "")
      {
        spectrum_widget_->canvas()->setLayerName(layer_idx, name);
        emit layerDataChanged();
      }});

    context_menu->addAction("Delete", [&]() {
      spectrum_widget_->canvas()->removeLayer(layer_idx);
      emit layerDataChanged();
    });

    auto widget1D = qobject_cast<Plot1DWidget*>(spectrum_widget_);
    if (widget1D != nullptr)
    {
      if (widget1D->canvas()->getLayer(layer_idx).flipped)
      {
        context_menu->addAction("Flip upwards (1D)", [&]() {
          widget1D->canvas()->flipLayer(layer_idx);
          widget1D->canvas()->setMirrorModeActive(widget1D->canvas()->flippedLayersExist());
        });
        emit layerDataChanged();
      }
      else
      {
        context_menu->addAction("Flip downwards (1D)", [&]() {
          widget1D->canvas()->flipLayer(layer_idx);
          widget1D->canvas()->setMirrorModeActive(true);
        });
        emit layerDataChanged();
      }
    }

    context_menu->addSeparator();
    context_menu->addAction("Preferences", [&]() {
      spectrum_widget_->canvas()->showCurrentLayerPreferences();
    });

    context_menu->exec(this->mapToGlobal(event->pos()));
  }

  void LayerListView::itemDoubleClickedAction_(QListWidgetItem* /*item*/)
  {