ExoViewerGLWidget.h

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#ifndef ExoViewer_GLWidget_h
#define ExoViewer_GLWidget_h

#include "OpenGL_Includes.h"
#include "ExoEngine.h"
#include "ExoViewerInputControl.h"
#include "SimpleQTViewerGLWidget.h"
#include "Comparisoner.h"

#include <math.h>

namespace geExoViewer {
    struct ExoViewerLabelCategory {
        bool visible;
        QColor textColor;
        QFont textFont;
        QFontMetrics* metric;

        void set(bool _visible, QColor _textColor, QFont _textFont) {
            this->visible = _visible;
            this->textColor = _textColor;
            this->textFont = _textFont;
            metric = new QFontMetrics(_textFont);
        }
    };

    class ExoViewerGLWidget : public geQT::SimpleQTViewerGLWidget
    {
        Q_OBJECT

    public:
        ExoViewerGLWidget(std::string _path, geAstro::ExoEngine* _engine, ExoViewerInputControl* _input);
        ~ExoViewerGLWidget();

        // overrides
        void initialize();
        void drawGL();
        void updateScene();
        void drawUI();
        void resize(int width, int height);

        void mousePressEvent(QMouseEvent *event);
        void mouseDoubleClickEvent(QMouseEvent * event);

        void updateLabelBounds();

        void toggleNames(bool _suns, bool _planets, bool _moons, bool _smallbodies, bool _systems, bool _selected, 
            bool _comparisonAxis, bool _comparisonPlanets, bool _comparisonMarked);
        void setLabelSizes(int _suns, int _planets, int _moons, int _smallbodies, int _systems);
        void setLabelColors(QColor _suns, QColor _planets, QColor _moons, QColor _smallbodies, QColor _systems, QColor _selected);
        geAstro::ExoEngine* getEngineLayer();

        std::vector<bool> getNamesVisiblility();
        std::vector<int> getNamesSizes();
        std::vector<QColor> getNamesColors();

#ifdef __APPLE__
        public slots:
        void onMessageLogged( QOpenGLDebugMessage message );
#else
        // only for qt5 
#endif

    signals:
        void updateInfoWidget();
        void updateDate();
        void updateComparisonRanges();

    private:
        void drawSystemLabels();
        void drawStarLabels();
        void drawMoonLabels();
        void drawSmallBodyObjectLabels();
        void drawLabelsFromBodyInfos(const ExoViewerLabelCategory& _style, const std::vector<geAstro::UIBodyInfo>& _bodyInfos, int _labelidx);
        void drawLabelOfSelectedObject();
        void drawLabelWithShadow(vmml::Vector2d _position, QColor _color, QFont _font, QString _name);
        void drawLabelWithBackground(vmml::Vector2d _position, QColor _color, QFont _font, QString _name);

        void drawComparisonAxisLabels();
        void drawComparisonPlanetAxisLabels();
        void drawComparisonPlanetNameLabels();
        void drawComparisonMarkedPlanetAxisLabels();
        void drawComparisonMarkedPlanetNameLabels();

        QRectF drawPopUpSystemInfoBox(std::shared_ptr<geAstro::System> _system, vmml::Vector2d _p, QFont* _font_, QFontMetrics* _metrics);

        ExoViewerLabelCategory sunLabelCat;
        ExoViewerLabelCategory planetLabelCat;
        ExoViewerLabelCategory moonLabelCat;
        ExoViewerLabelCategory smallbodiesLabelCat;
        ExoViewerLabelCategory systemLabelCat;
        ExoViewerLabelCategory selectedLabelCat;

        ExoViewerLabelCategory comparisonAxisCat;
        ExoViewerLabelCategory comparisonPlanetCat;
        ExoViewerLabelCategory comparisonMarkedCat;

        // contains all labels in the current system
        std::vector<QRectF> labelbounds;
        std::vector<std::pair<QRectF, int> >rectVector_bodies;
        std::vector<std::pair<QRectF, int> >rectVector_systems;

        //comparison view planet labels
        std::vector<geAstro::ComparisonLabelInfo> comparisonPlanetNameLabelInfos;
        std::vector<QRectF> comparisonPlanetLabelBounds;

#ifdef __APPLE__
        QOpenGLDebugLogger* logger;
#else
        // only for qt5 
#endif
        std::string path;
    };
}
#endif