SideviewQuickItem.h

/***************************************************************************
 *   Copyright (C) 2025 by Simon Schneider, Stefan Kebekus                 *
 *   stefan.kebekus@gmail.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 3 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.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
 
#pragma once
 
#include <QQuickItem>
#include <QTimer>
 
 
namespace Ui {

class SideviewQuickItem : public QQuickItem
{
    Q_OBJECT
    QML_NAMED_ELEMENT(SideviewQuickItem)
 
public:
    explicit SideviewQuickItem(QQuickItem *parent = nullptr);
 
    ~SideviewQuickItem() override = default;
 
    //
    // Properties
    //

    Q_PROPERTY(QVariantMap airspaces READ airspaces BINDABLE bindableAirspaces)
 
    
    Q_PROPERTY(QString error READ error BINDABLE bindableError)

    Q_PROPERTY(QPointF fiveMinuteBar READ fiveMinuteBar BINDABLE bindableFiveMinuteBar)

    Q_PROPERTY(QPointF ownshipPosition READ ownshipPosition BINDABLE bindableOwnshipPosition)

    Q_PROPERTY(double pixelPer10km READ pixelPer10km WRITE setPixelPer10km BINDABLE bindablePixelPer10km REQUIRED)

    Q_PROPERTY(QPolygonF terrain READ terrain BINDABLE bindableTerrain)

    Q_PROPERTY(QString track READ track BINDABLE bindableTrack)
 
 
    //
    // Getter and Setter Methods
    //

    QVariantMap airspaces() const {return m_airspaces.value();}

    QBindable<QVariantMap> bindableAirspaces() const {return &m_airspaces;}

    QString error() const {return m_error.value();}

    QBindable<QString> bindableError() const {return &m_error;}

    QPointF fiveMinuteBar() const {return m_fiveMinuteBar.value();}

    QBindable<QPointF> bindableFiveMinuteBar() const {return &m_fiveMinuteBar;}

    QPointF ownshipPosition() const {return m_ownshipPosition.value();}

    QBindable<QPointF> bindableOwnshipPosition() const {return &m_ownshipPosition;}

    double pixelPer10km() const {return m_pixelPer10km.value();}

    QBindable<double> bindablePixelPer10km() {return &m_pixelPer10km;}

    void setPixelPer10km(double newVal) {m_pixelPer10km = newVal;}

    QString track() const {return m_track.value();}

    QBindable<QString> bindableTrack() const {return &m_track;}

    QPolygonF terrain() const {return m_terrain.value();}

    QBindable<QPolygonF> bindableTerrain() const {return &m_terrain;}
 
 
private:
    Q_DISABLE_COPY_MOVE(SideviewQuickItem)
 
    // Timers used for rate-limiting, used to ensure that the expensive method
    // updateProperties() runs at most every minimumUpdateInterval_ms.
    QElapsedTimer m_elapsedTimer;
    QTimer m_timer;
    static constexpr int minimumUpdateInterval_ms = 700;
 
    // Compute
    void updateProperties();
 
 
    QProperty<QString> m_error;
 
    QProperty<QString> m_track;
 
    QProperty<double> m_pixelPer10km;
 
    QProperty<QPointF> m_ownshipPosition;
 
    QProperty<QPointF> m_fiveMinuteBar;
 
    QProperty<QPolygonF> m_terrain;
 
    QProperty<QVariantMap> m_airspaces;
 
    std::vector<QPropertyNotifier> notifiers;
};
 
} // namespace Ui