AirportDiagram.hxx

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// AirportDiagram.hxx - part of GUI launcher using Qt5
//
// Written by James Turner, started December 2014.
//
// Copyright (C) 2014 James Turner <zakalawe@mac.com>
//
// 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, Fifth Floor, Boston, MA  02110-1301, USA.
 
#ifndef GUI_AIRPORT_DIAGRAM_HXX
#define GUI_AIRPORT_DIAGRAM_HXX
 
#include "BaseDiagram.hxx"
 
#include <QPixmap>
 
#include "UnitsModel.hxx"
 
#include <Airports/parking.hxx>
#include <Airports/runways.hxx>
#include <simgear/math/sg_geodesy.hxx>
 
// forward decls
class QmlPositioned;
 
class AirportDiagram : public BaseDiagram
{
    Q_OBJECT
 
    Q_PROPERTY(QmlPositioned* selection READ selection WRITE setSelection NOTIFY selectionChanged)
    Q_PROPERTY(qlonglong airport READ airportGuid WRITE setAirportGuid NOTIFY airportChanged)
 
    Q_PROPERTY(bool approachExtensionEnabled READ approachExtensionEnabled WRITE setApproachExtensionEnabled NOTIFY approachExtensionChanged)
    Q_PROPERTY(QuantityValue approachExtension READ approachExtension WRITE setApproachExtension NOTIFY approachExtensionChanged)
public:
    AirportDiagram(QQuickItem* pr = nullptr);
    virtual ~AirportDiagram();
 
    void setAirport(FGAirportRef apt);
 
    void addRunway(FGRunwayRef rwy);
    void addParking(FGParkingRef park);
    void addHelipad(FGHelipadRef pad);
 
    QmlPositioned* selection() const;
 
    void setSelection(QmlPositioned* pos);
 
    void setApproachExtension(QuantityValue distance);
    QuantityValue approachExtension() const;
 
    qlonglong airportGuid() const;
    void setAirportGuid(qlonglong guid);
 
    bool approachExtensionEnabled() const
    {
        return m_approachExtensionEnabled;
    }
 
    void setApproachExtensionEnabled(bool e);
Q_SIGNALS:
    void clicked(QmlPositioned* pos);
 
    void selectionChanged();
    void airportChanged();
    void approachExtensionChanged();
 
protected:
    
    void mouseReleaseEvent(QMouseEvent* me) override;
 
    void paintContents(QPainter*) override;
 
    void doComputeBounds() override;
private:
    struct RunwayData {
        QPointF p1, p2;
        int widthM;
        FGRunwayRef runway;
    };
 
    struct TaxiwayData {
        QPointF p1, p2;
        int widthM;
 
        bool operator<(const TaxiwayData& other) const
        {
            return widthM < other.widthM;
        }
    };
 
    struct ParkingData
    {
        QPointF pt;
        FGParkingRef parking;
    };
 
    struct HelipadData
    {
        QPointF pt;
        FGHelipadRef helipad;
    };
 
    void buildTaxiways();
    void buildPavements();
 
    void drawILS(QPainter *painter, FGRunwayRef runway) const;
 
    void drawParkings(QPainter *p) const;
    void drawParking(QPainter *painter, const ParkingData &p) const;
 
    ParkingData findParkingData(const FGParkingRef& pk) const;
 
    void drawHelipads(QPainter *painter);
 
    QPainterPath pathForRunway(const RunwayData &r, const QTransform &t, const double minWidth) const;
    QPainterPath pathForHelipad(const HelipadData &h, const QTransform &t) const;
    QPainterPath pathForParking(const ParkingData &p, const QTransform &t) const;
 
private:
    FGAirportRef m_airport;
 
    QVector<RunwayData> m_runways;
    QVector<TaxiwayData> m_taxiways;
    QVector<QPainterPath> m_pavements;
    QVector<ParkingData> m_parking;
    QVector<HelipadData> m_helipads;
 
    QPainterPath m_parkingIconPath, // arrow points right
        m_parkingIconLeftPath; // arrow points left
    QuantityValue m_approachDistance;
    bool m_approachExtensionEnabled = false;
 
    QPainterPath m_helipadIconPath, m_helipadBoundsPath;
    FGPositionedRef m_selection;
};
 
#endif // of GUI_AIRPORT_DIAGRAM_HXX