radarcomponent.h

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// SPDX-FileCopyrightText: Copyright (C) 2019 swift Project Community / Contributors
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-swift-pilot-client-1
 
 
#ifndef SWIFT_GUI_COMPONENTS_RADARCOMPONENT_H
#define SWIFT_GUI_COMPONENTS_RADARCOMPONENT_H
 
#include <QFrame>
#include <QGraphicsItemGroup>
#include <QGraphicsScene>
#include <QScopedPointer>
#include <QTimer>
 
#include "core/actionbind.h"
#include "gui/enablefordockwidgetinfoarea.h"
#include "gui/swiftguiexport.h"
#include "misc/input/actionhotkeydefs.h"
 
namespace Ui
{
    class CRadarComponent;
}
namespace swift::gui::components
{
    class SWIFT_GUI_EXPORT CRadarComponent : public QFrame, public CEnableForDockWidgetInfoArea
    {
        Q_OBJECT
 
    public:
        explicit CRadarComponent(QWidget *parent = nullptr);
 
        virtual ~CRadarComponent() override;
 
        virtual bool setParentDockWidgetInfoArea(swift::gui::CDockWidgetInfoArea *parentDockableWidget) override;
 
    private:
        void prepareScene();
        void addCenter();
        void addGraticules();
        void addRadials();
 
        void refreshTargets();
        void rotateView();
 
        void toggleGrid(bool checked);
 
        void fitInView();
        void changeRangeInSteps(bool zoomIn);
        void changeRangeFromUserSelection(int index);
        void updateFont(int pointSize);
 
        static QPointF polarPoint(double distance, double angleRadians);
 
        void onInfoAreaTabBarChanged(int index);
 
        QScopedPointer<Ui::CRadarComponent> ui;
        QGraphicsScene m_scene;
        QGraphicsItemGroup m_radarTargets;
        QGraphicsItemGroup m_center;
        QGraphicsItemGroup m_macroGraticule;
        QGraphicsItemGroup m_microGraticule;
        QGraphicsItemGroup m_radials;
 
        QPen m_radarTargetPen = { Qt::green, 1 };
        qreal m_rangeNM = 10.0;
        int m_rotatenAngle = 0;
        QTimer m_updateTimer;
        QTimer m_headingTimer;
 
        QFont m_tagFont;
 
        swift::core::CActionBind m_actionZoomIn { swift::misc::input::radarZoomInHotkeyAction(),
                                                  swift::misc::input::radarZoomInHotkeyIcon(), this,
                                                  &CRadarComponent::rangeZoomIn };
        swift::core::CActionBind m_actionZoomOut { swift::misc::input::radarZoomOutHotkeyAction(),
                                                   swift::misc::input::radarZoomOutHotkeyIcon(), this,
                                                   &CRadarComponent::rangeZoomOut };
        void rangeZoomIn(bool keydown)
        {
            if (keydown) { changeRangeInSteps(true); }
        }
        void rangeZoomOut(bool keydown)
        {
            if (keydown) { changeRangeInSteps(false); }
        }
    };
} // namespace swift::gui::components
 
#endif // SWIFT_GUI_COMPONENTS_RADARCOMPONENT_H