#include <QTreeWidget>
class QContextMenuEvent;
class Hep3Vector;

namespace asap {
  namespace atos {
    class AtosElement;

    class AtosTreeWidget : public QTreeWidget {
      Q_OBJECT
      ;
    public:
      AtosTreeWidget (QWidget * parent = 0);
      virtual ~AtosTreeWidget ();

    signals:
      void selectedCandidate (AtosElement* el);
      void requestContextMenu (QContextMenuEvent * event, AtosElement* el, QWidget* orig);
      void info ();

    protected:
      void contextMenuEvent ( QContextMenuEvent * event );

    private slots:
      void currentItemChangedSlot (QTreeWidgetItem * current, QTreeWidgetItem * previous);
      void doubleClickEvent ( QTreeWidgetItem * item, int column );

    };
  }
}