glfw/src/iokit_joystick.h

//========================================================================
// GLFW 3.2 IOKit - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2006-2014 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
//    claim that you wrote the original software. If you use this software
//    in a product, an acknowledgment in the product documentation would
//    be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
//    be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
//    distribution.
//
//========================================================================

#ifndef _glfw3_iokit_joystick_h_
#define _glfw3_iokit_joystick_h_

#include <IOKit/IOKitLib.h>
#include <IOKit/IOCFPlugIn.h>
#include <IOKit/hid/IOHIDLib.h>
#include <IOKit/hid/IOHIDKeys.h>

#define _GLFW_PLATFORM_LIBRARY_JOYSTICK_STATE \
    _GLFWjoystickIOKit iokit_js


// IOKit-specific per-joystick data
//
typedef struct _GLFWjoydevice
{
    int             present;
    char            name[256];

    IOHIDDeviceRef deviceRef;

    CFMutableArrayRef axisElements;
    CFMutableArrayRef buttonElements;
    CFMutableArrayRef hatElements;

    float*          axes;
    unsigned char*  buttons;
} _GLFWjoydevice;

// IOKit-specific joystick API data
//
typedef struct _GLFWjoystickIOKit
{
    _GLFWjoydevice devices[GLFW_JOYSTICK_LAST + 1];

    IOHIDManagerRef managerRef;
} _GLFWjoystickIOKit;

void _glfwInitJoysticks(void);
void _glfwTerminateJoysticks(void);

#endif // _glfw3_iokit_joystick_h_