myjoystick.h

//this code by Peter Semiletov is the public domain

#include <QtGlobal>
#include <QObject>

#ifndef MYJOYSTICK_H
#define MYJOYSTICK_H

#if defined(JOYSTICK_SUPPORTED)


#include <iostream>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <linux/joystick.h>

#include <QEvent>


const QEvent::Type evtJoystickAxis = QEvent::Type (QEvent::User + 1);
const QEvent::Type evtJoystickButton = QEvent::Type (QEvent::User + 2);


class CJoystickButtonEvent: public QEvent
{
public:

  uint button;
  bool pressed;

  CJoystickButtonEvent (QEvent::Type type): QEvent (type), button (0), pressed (false) {}
};


class CJoystickAxisEvent: public QEvent
{
public:

  uint axis;
  qint16 value;

  CJoystickAxisEvent (QEvent::Type type): QEvent (type), axis (0), value (0) {}
};


class CJoystick: public QObject
{
Q_OBJECT

public:

  QObject *receiver; //link to the object that handle joystick events

  int fd; //joystick file descriptor
  uint id; //joystick id

  int etype;
  bool axis_pressed;

  QString description; //joystick text description
  bool initialized;

  uint number_of_axis;
  uint number_of_buttons;

  CJoystick (uint idn, QObject *upper_link);
  ~CJoystick();

   void process_event (js_event e);

public slots:

  void read_joystick();

};

#endif
#endif