// $Id$
//-----------------------------------------------------------------------
//       The GSI Online Offline Object Oriented (Go4) Project
//         Experiment Data Processing at EE department, GSI
//-----------------------------------------------------------------------
// Copyright (C) 2000- GSI Helmholtzzentrum fuer Schwerionenforschung GmbH
//                     Planckstr. 1, 64291 Darmstadt, Germany
// Contact:            http://go4.gsi.de
//-----------------------------------------------------------------------
// This software can be used under the license agreements as stated
// in Go4License.txt file which is part of the distribution.
//-----------------------------------------------------------------------

#ifndef TGO4MARKERPAINTER_H
#define TGO4MARKERPAINTER_H

#include "TGo4LabelPainter.h"

class TGo4Marker;

class TGo4MarkerPainter : public TGo4LabelPainter {
   public:
      TGo4MarkerPainter();
      TGo4MarkerPainter(const char *name, const char *title="Go4 MarkerPainter");
      virtual ~TGo4MarkerPainter();

      /** Display coordinate label for this marker. */
      void PaintLabel(Option_t *opt = "") override;
      void UnPaintLabel(Option_t *opt = "") override;
      void PaintConnector(Option_t *opt = "");
      void UnPaintConnector(Option_t *opt = "");
      void DisplayToFront(Option_t *opt = "") override;

      virtual void SetMarker(TGo4Marker* mark) { fxMarker=mark; }

   protected:

      /** Check if connector is still existing. Uses root list of cleanups. */
      Bool_t CheckConnector();

      /** Marker to be painted.*/
      TGo4Marker *fxMarker{nullptr};

      /** Connection line between marker and label */
      TGo4LabelConnector *fxConnector{nullptr};

   private:
       /** Flag to handle streamed connector from file correctly*/
       Bool_t fbIsConStreamed{kFALSE}; //!

   ClassDefOverride(TGo4MarkerPainter,1)
};

#endif //TGO4MARKERPAINTER_H