explicit Viewport(View &parent);
private:
+ /**
+ * Indicates when a view item is being hovered over.
+ * @param item The item that is being hovered over, or @c nullptr
+ * if no view item is being hovered over.
+ */
+ void item_hover(const std::shared_ptr<pv::view::ViewItem> &item);
+
/**
* Gets the first view item which has a hit-box that contains @c pt .
* @param pt the point to search with.