JoystickManager.h

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#pragma once
 
#include <QtCore/QLoggingCategory>
#include <QtCore/QObject>
#include <QtCore/QTimer>
#include <QtCore/QVariantList>
#include <QtQmlIntegration/QtQmlIntegration>
 
Q_DECLARE_LOGGING_CATEGORY(JoystickManagerLog)
 
class Joystick;
class JoystickManagerSettings;
class Vehicle;
 
class JoystickManager : public QObject
{
    Q_OBJECT
    QML_ELEMENT
    QML_UNCREATABLE("")
    Q_MOC_INCLUDE("Joystick.h")
 
    
    Q_PROPERTY(QStringList  availableJoystickNames READ availableJoystickNames NOTIFY availableJoystickNamesChanged)
 
    Q_PROPERTY(Joystick *activeJoystick READ activeJoystick NOTIFY activeJoystickChanged)
    Q_PROPERTY(bool activeJoystickEnabledForActiveVehicle READ activeJoystickEnabledForActiveVehicle WRITE setActiveJoystickEnabledForActiveVehicle NOTIFY activeJoystickEnabledForActiveVehicleChanged)
 
    
    Q_PROPERTY(int joystickCount READ joystickCount NOTIFY availableJoystickNamesChanged)
 
#ifdef QGC_UNITTEST_BUILD
    friend class JoystickManagerTest;
#endif
 
public:
    explicit JoystickManager(QObject *parent = nullptr);
    ~JoystickManager() override;
 
    static JoystickManager *instance();
 
    QStringList availableJoystickNames() const { return _name2JoystickMap.keys(); }
    int joystickCount() const { return _name2JoystickMap.count(); }
 
    Joystick *activeJoystick();
    bool activeJoystickEnabledForActiveVehicle() const;
    void setActiveJoystickEnabledForActiveVehicle(bool enabled);
 
    Q_INVOKABLE QStringList linkedGroupMembers(const QString &groupId) const;
 
    Q_INVOKABLE Joystick *joystickByName(const QString &name) const;
 
signals:
    void activeJoystickChanged(Joystick *joystick);
    void activeJoystickEnabledForActiveVehicleChanged();
    void availableJoystickNamesChanged();
 
public slots:
    void init();
 
private slots:
    void _checkForAddedOrRemovedJoysticks();
    void _activeVehicleChanged(Vehicle *activeVehicle);
    void _setActiveJoystickByName(const QString &name);
 
    // SDL event handlers (called via QMetaObject::invokeMethod from sdlEventWatcher)
    void _handleUpdateComplete(int instanceId);
    void _handleBatteryUpdated(int instanceId);
    void _handleGamepadRemapped(int instanceId);
    void _handleTouchpadEvent(int instanceId, int touchpad, int finger, bool down, float x, float y, float pressure);
    void _handleSensorUpdate(int instanceId, int sensor, float x, float y, float z);
 
private:
    void _setActiveJoystickFromSettings();
    void _setActiveJoystick(Joystick *joystick);
    bool _joystickEnabledForVehicle(Vehicle *vehicle) const;
    void _setJoystickEnabledForVehicle(Vehicle *vehicle, bool enabled);
    Joystick *_findJoystickByInstanceId(int instanceId);
    void _updatePollingTimer();
 
    JoystickManagerSettings *_joystickManagerSettings = nullptr;
    Joystick *_activeJoystick = nullptr;
    QMap<QString, Joystick*> _name2JoystickMap;
    QTimer _pollTimer;
};