GridLinesMgr.hpp

/*
 * Stellarium
 * Copyright (C) 2007 Fabien Chereau
 * Copyright (C) 2015 Georg Zotti (more grids to illustrate precession issues)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335, USA.
 */

#ifndef _GRIDLINESMGR_HPP_
#define _GRIDLINESMGR_HPP_

#include "VecMath.hpp"
#include "StelModule.hpp"
#include "Planet.hpp"

class SkyGrid;
class SkyLine;
class SkyPoint;

class GridLinesMgr : public StelModule
{
    Q_OBJECT
    Q_PROPERTY(bool gridlinesDisplayed
           READ getFlagGridlines
           WRITE setFlagGridlines
           NOTIFY gridlinesDisplayedChanged)

    Q_PROPERTY(bool azimuthalGridDisplayed
           READ getFlagAzimuthalGrid
           WRITE setFlagAzimuthalGrid
           NOTIFY azimuthalGridDisplayedChanged)
    Q_PROPERTY(Vec3f azimuthalGridColor
           READ getColorAzimuthalGrid
           WRITE setColorAzimuthalGrid
           NOTIFY azimuthalGridColorChanged)

    Q_PROPERTY(bool equatorGridDisplayed
           READ getFlagEquatorGrid
           WRITE setFlagEquatorGrid
           NOTIFY equatorGridDisplayedChanged)
    Q_PROPERTY(Vec3f equatorGridColor
           READ getColorEquatorGrid
           WRITE setColorEquatorGrid
           NOTIFY equatorGridColorChanged)

    Q_PROPERTY(bool equatorJ2000GridDisplayed
           READ getFlagEquatorJ2000Grid
           WRITE setFlagEquatorJ2000Grid
           NOTIFY equatorJ2000GridDisplayedChanged)
    Q_PROPERTY(Vec3f equatorJ2000GridColor
           READ getColorEquatorJ2000Grid
           WRITE setColorEquatorJ2000Grid
           NOTIFY equatorJ2000GridColorChanged)

    Q_PROPERTY(bool eclipticJ2000GridDisplayed
           READ getFlagEclipticJ2000Grid
           WRITE setFlagEclipticJ2000Grid
           NOTIFY eclipticJ2000GridDisplayedChanged)
    Q_PROPERTY(Vec3f eclipticJ2000GridColor
           READ getColorEclipticJ2000Grid
           WRITE setColorEclipticJ2000Grid
           NOTIFY eclipticJ2000GridColorChanged)

    Q_PROPERTY(bool eclipticGridDisplayed
           READ getFlagEclipticGrid
           WRITE setFlagEclipticGrid
           NOTIFY eclipticGridDisplayedChanged)
    Q_PROPERTY(Vec3f eclipticGridColor
           READ getColorEclipticGrid
           WRITE setColorEclipticGrid
           NOTIFY eclipticGridColorChanged)

    Q_PROPERTY(bool galacticGridDisplayed
           READ getFlagGalacticGrid
           WRITE setFlagGalacticGrid
           NOTIFY galacticGridDisplayedChanged)
    Q_PROPERTY(Vec3f galacticGridColor
           READ getColorGalacticGrid
           WRITE setColorGalacticGrid
           NOTIFY galacticGridColorChanged)

    Q_PROPERTY(bool supergalacticGridDisplayed
           READ getFlagSupergalacticGrid
           WRITE setFlagSupergalacticGrid
           NOTIFY supergalacticGridDisplayedChanged)
    Q_PROPERTY(Vec3f supergalacticGridColor
           READ getColorSupergalacticGrid
           WRITE setColorSupergalacticGrid
           NOTIFY supergalacticGridColorChanged)

    Q_PROPERTY(bool equatorLineDisplayed
           READ getFlagEquatorLine
           WRITE setFlagEquatorLine
           NOTIFY equatorLineDisplayedChanged)
    Q_PROPERTY(Vec3f equatorLineColor
           READ getColorEquatorLine
           WRITE setColorEquatorLine
           NOTIFY equatorLineColorChanged)

    Q_PROPERTY(bool equatorJ2000LineDisplayed
           READ getFlagEquatorJ2000Line
           WRITE setFlagEquatorJ2000Line
           NOTIFY equatorJ2000LineDisplayedChanged)
    Q_PROPERTY(Vec3f equatorJ2000LineColor
           READ getColorEquatorJ2000Line
           WRITE setColorEquatorJ2000Line
           NOTIFY equatorJ2000LineColorChanged)

    // This is now ecl. of date.
    Q_PROPERTY(bool eclipticLineDisplayed
           READ getFlagEclipticLine
           WRITE setFlagEclipticLine
           NOTIFY eclipticLineDisplayedChanged)
    Q_PROPERTY(Vec3f eclipticLineColor
           READ getColorEclipticLine
           WRITE setColorEclipticLine
           NOTIFY eclipticLineColorChanged)

    // new name, but replaces old ecliptic.
    Q_PROPERTY(bool eclipticJ2000LineDisplayed
           READ getFlagEclipticJ2000Line
           WRITE setFlagEclipticJ2000Line
           NOTIFY eclipticJ2000LineDisplayedChanged)
    Q_PROPERTY(Vec3f eclipticJ2000LineColor
           READ getColorEclipticJ2000Line
           WRITE setColorEclipticJ2000Line
           NOTIFY eclipticJ2000LineColorChanged)

    Q_PROPERTY(bool precessionCirclesDisplayed
           READ getFlagPrecessionCircles
           WRITE setFlagPrecessionCircles
           NOTIFY precessionCirclesDisplayedChanged)
    Q_PROPERTY(Vec3f precessionCirclesColor
           READ getColorPrecessionCircles
           WRITE setColorPrecessionCircles
           NOTIFY precessionCirclesColorChanged)

    Q_PROPERTY(bool meridianLineDisplayed
           READ getFlagMeridianLine
           WRITE setFlagMeridianLine
           NOTIFY meridianLineDisplayedChanged)
    Q_PROPERTY(Vec3f meridianLineColor
           READ getColorMeridianLine
           WRITE setColorMeridianLine
           NOTIFY meridianLineColorChanged)

    Q_PROPERTY(bool longitudeLineDisplayed
           READ getFlagLongitudeLine
           WRITE setFlagLongitudeLine
           NOTIFY longitudeLineDisplayedChanged)
    Q_PROPERTY(Vec3f longitudeLineColor
           READ getColorLongitudeLine
           WRITE setColorLongitudeLine
           NOTIFY longitudeLineColorChanged)

    Q_PROPERTY(bool horizonLineDisplayed
           READ getFlagHorizonLine
           WRITE setFlagHorizonLine
           NOTIFY horizonLineDisplayedChanged)
    Q_PROPERTY(Vec3f horizonLineColor
           READ getColorHorizonLine
           WRITE setColorHorizonLine
           NOTIFY horizonLineColorChanged)

    Q_PROPERTY(bool galacticEquatorLineDisplayed
           READ getFlagGalacticEquatorLine
           WRITE setFlagGalacticEquatorLine
           NOTIFY galacticEquatorLineDisplayedChanged)
    Q_PROPERTY(Vec3f galacticEquatorLineColor
           READ getColorGalacticEquatorLine
           WRITE setColorGalacticEquatorLine
           NOTIFY galacticEquatorLineColorChanged)

    Q_PROPERTY(bool supergalacticEquatorLineDisplayed
           READ getFlagSupergalacticEquatorLine
           WRITE setFlagSupergalacticEquatorLine
           NOTIFY supergalacticEquatorLineDisplayedChanged)
    Q_PROPERTY(Vec3f supergalacticEquatorLineColor
           READ getColorSupergalacticEquatorLine
           WRITE setColorSupergalacticEquatorLine
           NOTIFY supergalacticEquatorLineColorChanged)

    Q_PROPERTY(bool primeVerticalLineDisplayed
           READ getFlagPrimeVerticalLine
           WRITE setFlagPrimeVerticalLine
           NOTIFY primeVerticalLineDisplayedChanged)
    Q_PROPERTY(Vec3f primeVerticalLineColor
           READ getColorPrimeVerticalLine
           WRITE setColorPrimeVerticalLine
           NOTIFY primeVerticalLineColorChanged)

    Q_PROPERTY(bool colureLinesDisplayed
           READ getFlagColureLines
           WRITE setFlagColureLines
           NOTIFY colureLinesDisplayedChanged)
    Q_PROPERTY(Vec3f colureLinesColor
           READ getColorColureLines
           WRITE setColorColureLines
           NOTIFY colureLinesColorChanged)

    Q_PROPERTY(bool circumpolarCirclesDisplayed
           READ getFlagCircumpolarCircles
           WRITE setFlagCircumpolarCircles
           NOTIFY circumpolarCirclesDisplayedChanged)
    Q_PROPERTY(Vec3f circumpolarCirclesColor
           READ getColorCircumpolarCircles
           WRITE setColorCircumpolarCircles
           NOTIFY circumpolarCirclesColorChanged)

    Q_PROPERTY(bool celestialJ2000PolesDisplayed
           READ getFlagCelestialJ2000Poles
           WRITE setFlagCelestialJ2000Poles
           NOTIFY celestialJ2000PolesDisplayedChanged)
    Q_PROPERTY(Vec3f celestialJ2000PolesColor
           READ getColorCelestialJ2000Poles
           WRITE setColorCelestialJ2000Poles
           NOTIFY celestialJ2000PolesColorChanged)

    Q_PROPERTY(bool celestialPolesDisplayed
           READ getFlagCelestialPoles
           WRITE setFlagCelestialPoles
           NOTIFY celestialPolesDisplayedChanged)
    Q_PROPERTY(Vec3f celestialPolesColor
           READ getColorCelestialPoles
           WRITE setColorCelestialPoles
           NOTIFY celestialPolesColorChanged)

    Q_PROPERTY(bool zenithNadirDisplayed
           READ getFlagZenithNadir
           WRITE setFlagZenithNadir
           NOTIFY zenithNadirDisplayedChanged)
    Q_PROPERTY(Vec3f zenithNadirColor
           READ getColorZenithNadir
           WRITE setColorZenithNadir
           NOTIFY zenithNadirColorChanged)

    Q_PROPERTY(bool eclipticJ2000PolesDisplayed
           READ getFlagEclipticJ2000Poles
           WRITE setFlagEclipticJ2000Poles
           NOTIFY eclipticJ2000PolesDisplayedChanged)
    Q_PROPERTY(Vec3f eclipticJ2000PolesColor
           READ getColorEclipticJ2000Poles
           WRITE setColorEclipticJ2000Poles
           NOTIFY eclipticJ2000PolesColorChanged)

    Q_PROPERTY(bool eclipticPolesDisplayed
           READ getFlagEclipticPoles
           WRITE setFlagEclipticPoles
           NOTIFY eclipticPolesDisplayedChanged)
    Q_PROPERTY(Vec3f eclipticPolesColor
           READ getColorEclipticPoles
           WRITE setColorEclipticPoles
           NOTIFY eclipticPolesColorChanged)

    Q_PROPERTY(bool galacticPolesDisplayed
           READ getFlagGalacticPoles
           WRITE setFlagGalacticPoles
           NOTIFY galacticPolesDisplayedChanged)
    Q_PROPERTY(Vec3f galacticPolesColor
           READ getColorGalacticPoles
           WRITE setColorGalacticPoles
           NOTIFY galacticPolesColorChanged)

    Q_PROPERTY(bool supergalacticPolesDisplayed
           READ getFlagSupergalacticPoles
           WRITE setFlagSupergalacticPoles
           NOTIFY supergalacticPolesDisplayedChanged)
    Q_PROPERTY(Vec3f supergalacticPolesColor
           READ getColorSupergalacticPoles
           WRITE setColorSupergalacticPoles
           NOTIFY supergalacticPolesColorChanged)

    Q_PROPERTY(bool equinoxJ2000PointsDisplayed
           READ getFlagEquinoxJ2000Points
           WRITE setFlagEquinoxJ2000Points
           NOTIFY equinoxJ2000PointsDisplayedChanged)
    Q_PROPERTY(Vec3f equinoxJ2000PointsColor
           READ getColorEquinoxJ2000Points
           WRITE setColorEquinoxJ2000Points
           NOTIFY equinoxJ2000PointsColorChanged)

    Q_PROPERTY(bool equinoxPointsDisplayed
           READ getFlagEquinoxPoints
           WRITE setFlagEquinoxPoints
           NOTIFY equinoxPointsDisplayedChanged)
    Q_PROPERTY(Vec3f equinoxPointsColor
           READ getColorEquinoxPoints
           WRITE setColorEquinoxPoints
           NOTIFY equinoxPointsColorChanged)

    Q_PROPERTY(bool solsticeJ2000PointsDisplayed
           READ getFlagSolsticeJ2000Points
           WRITE setFlagSolsticeJ2000Points
           NOTIFY solsticeJ2000PointsDisplayedChanged)
    Q_PROPERTY(Vec3f solsticeJ2000PointsColor
           READ getColorSolsticeJ2000Points
           WRITE setColorSolsticeJ2000Points
           NOTIFY solsticeJ2000PointsColorChanged)

    Q_PROPERTY(bool solsticePointsDisplayed
           READ getFlagSolsticePoints
           WRITE setFlagSolsticePoints
           NOTIFY solsticePointsDisplayedChanged)
    Q_PROPERTY(Vec3f solsticePointsColor
           READ getColorSolsticePoints
           WRITE setColorSolsticePoints
           NOTIFY solsticePointsColorChanged)

public:
    GridLinesMgr();
    virtual ~GridLinesMgr();

    // Methods defined in the StelModule class
    virtual void init();

    virtual QString getModuleID() const {return "GridLinesMgr";}

    virtual void draw(StelCore* core);

    virtual void update(double deltaTime);

    virtual double getCallOrder(StelModuleActionName actionName) const;

    // Setter and getters
public slots:
    void setFlagGridlines(const bool displayed);
    bool getFlagGridlines(void) const;

    void setFlagAzimuthalGrid(const bool displayed);
    bool getFlagAzimuthalGrid(void) const;
    Vec3f getColorAzimuthalGrid(void) const;
    void setColorAzimuthalGrid(const Vec3f& newColor);

    void setFlagEquatorGrid(const bool displayed);
    bool getFlagEquatorGrid(void) const;
    Vec3f getColorEquatorGrid(void) const;
    void setColorEquatorGrid(const Vec3f& newColor);

    void setFlagEquatorJ2000Grid(const bool displayed);
    bool getFlagEquatorJ2000Grid(void) const;
    Vec3f getColorEquatorJ2000Grid(void) const;
    void setColorEquatorJ2000Grid(const Vec3f& newColor);

    void setFlagEclipticJ2000Grid(const bool displayed);
    bool getFlagEclipticJ2000Grid(void) const;
    Vec3f getColorEclipticJ2000Grid(void) const;
    void setColorEclipticJ2000Grid(const Vec3f& newColor);

    void setFlagEclipticGrid(const bool displayed);
    bool getFlagEclipticGrid(void) const;
    Vec3f getColorEclipticGrid(void) const;
    void setColorEclipticGrid(const Vec3f& newColor);

    void setFlagGalacticGrid(const bool displayed);
    bool getFlagGalacticGrid(void) const;
    Vec3f getColorGalacticGrid(void) const;
    void setColorGalacticGrid(const Vec3f& newColor);

    void setFlagSupergalacticGrid(const bool displayed);
    bool getFlagSupergalacticGrid(void) const;
    Vec3f getColorSupergalacticGrid(void) const;
    void setColorSupergalacticGrid(const Vec3f& newColor);

    void setFlagEquatorLine(const bool displayed);
    bool getFlagEquatorLine(void) const;
    Vec3f getColorEquatorLine(void) const;
    void setColorEquatorLine(const Vec3f& newColor);

    void setFlagEquatorJ2000Line(const bool displayed);
    bool getFlagEquatorJ2000Line(void) const;
    Vec3f getColorEquatorJ2000Line(void) const;
    void setColorEquatorJ2000Line(const Vec3f& newColor);

    void setFlagEclipticJ2000Line(const bool displayed);
    bool getFlagEclipticJ2000Line(void) const;
    Vec3f getColorEclipticJ2000Line(void) const;
    void setColorEclipticJ2000Line(const Vec3f& newColor);

    void setFlagEclipticLine(const bool displayed);
    bool getFlagEclipticLine(void) const;
    Vec3f getColorEclipticLine(void) const;
    void setColorEclipticLine(const Vec3f& newColor);

    void setFlagPrecessionCircles(const bool displayed);
    bool getFlagPrecessionCircles(void) const;
    Vec3f getColorPrecessionCircles(void) const;
    void setColorPrecessionCircles(const Vec3f& newColor);

    void setFlagMeridianLine(const bool displayed);
    bool getFlagMeridianLine(void) const;
    Vec3f getColorMeridianLine(void) const;
    void setColorMeridianLine(const Vec3f& newColor);

    void setFlagLongitudeLine(const bool displayed);
    bool getFlagLongitudeLine(void) const;
    Vec3f getColorLongitudeLine(void) const;
    void setColorLongitudeLine(const Vec3f& newColor);

    void setFlagHorizonLine(const bool displayed);
    bool getFlagHorizonLine(void) const;
    Vec3f getColorHorizonLine(void) const;
    void setColorHorizonLine(const Vec3f& newColor);

    void setFlagGalacticEquatorLine(const bool displayed);
    void setFlagGalacticPlaneLine(const bool displayed) { setFlagGalacticEquatorLine(displayed); }
    bool getFlagGalacticEquatorLine(void) const;
    bool getFlagGalacticPlaneLine(void) const { return getFlagGalacticEquatorLine(); }
    Vec3f getColorGalacticEquatorLine(void) const;
    void setColorGalacticEquatorLine(const Vec3f& newColor);

    void setFlagSupergalacticEquatorLine(const bool displayed);
    bool getFlagSupergalacticEquatorLine(void) const;
    Vec3f getColorSupergalacticEquatorLine(void) const;
    void setColorSupergalacticEquatorLine(const Vec3f& newColor);

    void setFlagPrimeVerticalLine(const bool displayed);
    bool getFlagPrimeVerticalLine(void) const;
    Vec3f getColorPrimeVerticalLine(void) const;
    void setColorPrimeVerticalLine(const Vec3f& newColor);

    void setFlagColureLines(const bool displayed);
    bool getFlagColureLines(void) const;
    Vec3f getColorColureLines(void) const;
    void setColorColureLines(const Vec3f& newColor);

    void setFlagCircumpolarCircles(const bool displayed);
    bool getFlagCircumpolarCircles(void) const;
    Vec3f getColorCircumpolarCircles(void) const;
    void setColorCircumpolarCircles(const Vec3f& newColor);

    void setFlagCelestialJ2000Poles(const bool displayed);
    bool getFlagCelestialJ2000Poles(void) const;
    Vec3f getColorCelestialJ2000Poles(void) const;
    void setColorCelestialJ2000Poles(const Vec3f& newColor);

    void setFlagCelestialPoles(const bool displayed);
    bool getFlagCelestialPoles(void) const;
    Vec3f getColorCelestialPoles(void) const;
    void setColorCelestialPoles(const Vec3f& newColor);

    void setFlagZenithNadir(const bool displayed);
    bool getFlagZenithNadir(void) const;
    Vec3f getColorZenithNadir(void) const;
    void setColorZenithNadir(const Vec3f& newColor);

    void setFlagEclipticJ2000Poles(const bool displayed);
    bool getFlagEclipticJ2000Poles(void) const;
    Vec3f getColorEclipticJ2000Poles(void) const;
    void setColorEclipticJ2000Poles(const Vec3f& newColor);

    void setFlagEclipticPoles(const bool displayed);
    bool getFlagEclipticPoles(void) const;
    Vec3f getColorEclipticPoles(void) const;
    void setColorEclipticPoles(const Vec3f& newColor);

    void setFlagGalacticPoles(const bool displayed);
    bool getFlagGalacticPoles(void) const;
    Vec3f getColorGalacticPoles(void) const;
    void setColorGalacticPoles(const Vec3f& newColor);

    void setFlagSupergalacticPoles(const bool displayed);
    bool getFlagSupergalacticPoles(void) const;
    Vec3f getColorSupergalacticPoles(void) const;
    void setColorSupergalacticPoles(const Vec3f& newColor);

    void setFlagEquinoxJ2000Points(const bool displayed);
    bool getFlagEquinoxJ2000Points(void) const;
    Vec3f getColorEquinoxJ2000Points(void) const;
    void setColorEquinoxJ2000Points(const Vec3f& newColor);

    void setFlagEquinoxPoints(const bool displayed);
    bool getFlagEquinoxPoints(void) const;
    Vec3f getColorEquinoxPoints(void) const;
    void setColorEquinoxPoints(const Vec3f& newColor);

    void setFlagSolsticeJ2000Points(const bool displayed);
    bool getFlagSolsticeJ2000Points(void) const;
    Vec3f getColorSolsticeJ2000Points(void) const;
    void setColorSolsticeJ2000Points(const Vec3f& newColor);

    void setFlagSolsticePoints(const bool displayed);
    bool getFlagSolsticePoints(void) const;
    Vec3f getColorSolsticePoints(void) const;
    void setColorSolsticePoints(const Vec3f& newColor);

signals:
    void gridlinesDisplayedChanged(const bool) const;
    void azimuthalGridDisplayedChanged(const bool) const;
    void azimuthalGridColorChanged(const Vec3f & newColor) const;
    void equatorGridDisplayedChanged(const bool displayed) const;
    void equatorGridColorChanged(const Vec3f & newColor) const;
    void equatorJ2000GridDisplayedChanged(const bool displayed) const;
    void equatorJ2000GridColorChanged(const Vec3f & newColor) const;
    void eclipticGridDisplayedChanged(const bool displayed) const;
    void eclipticGridColorChanged(const Vec3f & newColor) const;
    void eclipticJ2000GridDisplayedChanged(const bool displayed) const;
    void eclipticJ2000GridColorChanged(const Vec3f & newColor) const;
    void galacticGridDisplayedChanged(const bool displayed) const;
    void galacticGridColorChanged(const Vec3f & newColor) const;
    void supergalacticGridDisplayedChanged(const bool displayed) const;
    void supergalacticGridColorChanged(const Vec3f & newColor) const;
    void equatorLineDisplayedChanged(const bool displayed) const;
    void equatorLineColorChanged(const Vec3f & newColor) const;
    void equatorJ2000LineDisplayedChanged(const bool displayed) const;
    void equatorJ2000LineColorChanged(const Vec3f & newColor) const;
    void eclipticLineDisplayedChanged(const bool displayed) const;
    void eclipticLineColorChanged(const Vec3f & newColor) const;
    void eclipticJ2000LineDisplayedChanged(const bool displayed) const;
    void eclipticJ2000LineColorChanged(const Vec3f & newColor) const;
    void precessionCirclesDisplayedChanged(const bool displayed) const;
    void precessionCirclesColorChanged(const Vec3f & newColor) const;
    void meridianLineDisplayedChanged(const bool displayed) const;
    void meridianLineColorChanged(const Vec3f & newColor) const;
    void longitudeLineDisplayedChanged(const bool displayed) const;
    void longitudeLineColorChanged(const Vec3f & newColor) const;
    void horizonLineDisplayedChanged(const bool displayed) const;
    void horizonLineColorChanged(const Vec3f & newColor) const;
    void galacticEquatorLineDisplayedChanged(const bool displayed) const;
    void galacticEquatorLineColorChanged(const Vec3f & newColor) const;
    void supergalacticEquatorLineDisplayedChanged(const bool displayed) const;
    void supergalacticEquatorLineColorChanged(const Vec3f & newColor) const;
    void primeVerticalLineDisplayedChanged(const bool displayed) const;
    void primeVerticalLineColorChanged(const Vec3f & newColor) const;
    void colureLinesDisplayedChanged(const bool displayed) const;
    void colureLinesColorChanged(const Vec3f & newColor) const;
    void circumpolarCirclesDisplayedChanged(const bool displayed) const;
    void circumpolarCirclesColorChanged(const Vec3f & newColor) const;
    void celestialJ2000PolesDisplayedChanged(const bool displayed) const;
    void celestialJ2000PolesColorChanged(const Vec3f & newColor) const;
    void celestialPolesDisplayedChanged(const bool displayed) const;
    void celestialPolesColorChanged(const Vec3f & newColor) const;
    void zenithNadirDisplayedChanged(const bool displayed) const;
    void zenithNadirColorChanged(const Vec3f & newColor) const;
    void eclipticJ2000PolesDisplayedChanged(const bool displayed) const;
    void eclipticJ2000PolesColorChanged(const Vec3f & newColor) const;
    void eclipticPolesDisplayedChanged(const bool displayed) const;
    void eclipticPolesColorChanged(const Vec3f & newColor) const;
    void galacticPolesDisplayedChanged(const bool displayed) const;
    void galacticPolesColorChanged(const Vec3f & newColor) const;
    void supergalacticPolesDisplayedChanged(const bool displayed) const;
    void supergalacticPolesColorChanged(const Vec3f & newColor) const;
    void equinoxJ2000PointsDisplayedChanged(const bool displayed) const;
    void equinoxJ2000PointsColorChanged(const Vec3f & newColor) const;
    void equinoxPointsDisplayedChanged(const bool displayed) const;
    void equinoxPointsColorChanged(const Vec3f & newColor) const;
    void solsticeJ2000PointsDisplayedChanged(const bool displayed) const;
    void solsticeJ2000PointsColorChanged(const Vec3f & newColor) const;
    void solsticePointsDisplayedChanged(const bool displayed) const;
    void solsticePointsColorChanged(const Vec3f & newColor) const;

private slots:
    void updateLineLabels();
    void connectEarthFromSolarSystem();

private:
    QSharedPointer<Planet> earth;           // shortcut Earth pointer. Must be reconnected whenever solar system has been reloaded.
    bool gridlinesDisplayed;        // master switch to switch off all grids/lines. (useful for oculars plugin)
    SkyGrid * equGrid;          // Equatorial grid
    SkyGrid * equJ2000Grid;         // Equatorial J2000 grid
    SkyGrid * galacticGrid;         // Galactic grid
    SkyGrid * supergalacticGrid;        // Supergalactic grid
    SkyGrid * eclGrid;          // Ecliptic of Date grid
    SkyGrid * eclJ2000Grid;         // Ecliptic J2000 grid
    SkyGrid * aziGrid;          // Azimuthal grid
    SkyLine * equatorLine;          // Celestial Equator line
    SkyLine * equatorJ2000Line;     // Celestial Equator line of J2000
    SkyLine * eclipticLine;         // Ecliptic line
    SkyLine * eclipticJ2000Line;        // Ecliptic line of J2000
    SkyLine * precessionCircleN;        // Northern precession circle
    SkyLine * precessionCircleS;        // Southern precession circle
    SkyLine * meridianLine;         // Meridian line
    SkyLine * longitudeLine;        // Opposition/conjunction longitude line
    SkyLine * horizonLine;          // Horizon line
    SkyLine * galacticEquatorLine;      // line depicting the Galactic equator as defined by the IAU definition of Galactic coordinates (System II, 1958)
    SkyLine * supergalacticEquatorLine; // line depicting the Supergalactic equator
    SkyLine * primeVerticalLine;        // Prime Vertical line
    SkyLine * colureLine_1;         // First Colure line (0/12h)
    SkyLine * colureLine_2;         // Second Colure line (6/18h)
    SkyLine * circumpolarCircleN;       // Northern circumpolar circle
    SkyLine * circumpolarCircleS;       // Southern circumpolar circle
    SkyPoint * celestialJ2000Poles;     // Celestial poles of J2000
    SkyPoint * celestialPoles;      // Celestial poles
    SkyPoint * zenithNadir;         // Zenith and nadir
    SkyPoint * eclipticJ2000Poles;      // Ecliptic poles of J2000
    SkyPoint * eclipticPoles;       // Ecliptic poles
    SkyPoint * galacticPoles;       // Galactic poles
    SkyPoint * supergalacticPoles;      // Supergalactic poles
    SkyPoint * equinoxJ2000Points;      // Equinox points of J2000
    SkyPoint * equinoxPoints;       // Equinox points
    SkyPoint * solsticeJ2000Points;     // Solstice points of J2000
    SkyPoint * solsticePoints;      // Solstice points
};

#endif // _GRIDLINESMGR_HPP_