File indexing completed on 2024-04-21 03:44:45

 /*
     SPDX-FileCopyrightText: 2007 Jason Harris <kstars@30doradus.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #pragma once
 
 #include <QSet>
 
 #include "skyobject.h"
 
 class SkyPainter;
 
 /**
  *@class TrailObject
  *@short provides a SkyObject with an attachable Trail
  *@author Jason Harris
  *@version 1.0
  */
 class TrailObject : public SkyObject
 {
     public:
         /** Constructor */
         explicit TrailObject(int t = TYPE_UNKNOWN, dms r = dms(0.0), dms d = dms(0.0), float m = 0.0,
                              const QString &n = QString());
 
         /** Constructor */
         TrailObject(int t, double r, double d, float m = 0.0, const QString &n = QString());
 
         ~TrailObject() override;
 
         TrailObject *clone() const override;
 
         /** @return whether the planet has a trail */
         inline bool hasTrail() const
         {
             return (Trail.count() > 0);
         }
 
         /** @return a reference to the planet's trail */
         inline const QList<SkyPoint> &trail() const
         {
             return Trail;
         }
 
         /** @short adds a point to the planet's trail */
         void addToTrail(const QString &label = QString());
 
         /** @short removes the oldest point from the trail */
         void clipTrail();
 
         /** @short clear the Trail */
         void clearTrail();
 
         /** @short update Horizontal coords of the trail */
         void updateTrail(dms *LST, const dms *lat);
 
         /**Remove trail for all objects but one which is passed as
              * parameter. It has SkyObject type for generality. */
         static void clearTrailsExcept(SkyObject *o);
 
         void drawTrail(SkyPainter *skyp) const;
 
         /** Maximum trail size */
         static const int MaxTrail = 400;
 
         void initPopupMenu(KSPopupMenu *pmenu) override;
 
     protected:
         QList<SkyPoint> Trail;
         QList<QString> m_TrailLabels;
         /// Store list of objects with trails.
         static QSet<TrailObject *> trailObjects;
 
     private:
 };