joystickmacos.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_INPUT_JOYSTICKMACOS_H
#define SWIFT_INPUT_JOYSTICKMACOS_H
 
 
#include <IOKit/hid/IOHIDManager.h>
 
#include <QHash>
 
#include "input/joystick.h"
#include "misc/input/joystickbutton.h"
 
namespace swift::input
{
 
    class CJoystickDevice : public QObject
    {
        Q_OBJECT
 
    public:
        CJoystickDevice(QObject *parent = nullptr);
 
        virtual ~CJoystickDevice() override;
 
        bool init(const IOHIDDeviceRef device);
 
        swift::misc::input::CJoystickButtonList getDeviceButtons() const;
 
        IOHIDDeviceRef getNativeDevice() const { return m_deviceRef; }
 
    signals:
        void buttonChanged(const swift::misc::input::CJoystickButton &joystickButton, bool isPressed);
 
    private:
        void processButtonEvent(IOHIDValueRef value);
 
        static void valueCallback(void *context, IOReturn result, void *sender, IOHIDValueRef value);
 
        QString m_deviceName = "unknown"; 
        // IOHIDDeviceRef is owned by IOHIDManager. Do not release it.
        IOHIDDeviceRef m_deviceRef = nullptr;
        QHash<IOHIDElementRef, swift::misc::input::CJoystickButton> m_joystickDeviceInputs;
    };
 
    class CJoystickMacOS : public IJoystick
    {
        Q_OBJECT
 
    public:
        CJoystickMacOS(CJoystickMacOS const &) = delete;
 
        CJoystickMacOS &operator=(CJoystickMacOS const &) = delete;
 
        virtual ~CJoystickMacOS() override;
 
        virtual swift::misc::input::CJoystickButtonList getAllAvailableJoystickButtons() const override;
 
    protected:
        virtual bool init() override;
 
    private:
        friend class IJoystick;
 
        CJoystickMacOS(QObject *parent = nullptr);
 
        void addJoystickDevice(const IOHIDDeviceRef device);
 
        void removeJoystickDevice(const IOHIDDeviceRef device);
 
        void joystickButtonChanged(const swift::misc::input::CJoystickButton &joystickButton, bool isPressed);
 
        static void matchCallback(void *context, IOReturn result, void *sender, IOHIDDeviceRef device);
        static void removeCallback(void *context, IOReturn result, void *sender, IOHIDDeviceRef device);
 
        IOHIDManagerRef m_hidManager = nullptr;
        QVector<CJoystickDevice *> m_joystickDevices; 
 
        swift::misc::input::CHotkeyCombination m_buttonCombination;
    };
 
} // namespace swift::input
 
#endif // SWIFT_INPUT_JOYSTICKMACOS_H