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godotengine
GitHub Repository: godotengine/godot
 Path: blob/master/thirdparty/sdl/joystick/darwin/SDL_iokitjoystick_c.h
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/*

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  Simple DirectMedia Layer

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  Copyright (C) 1997-2025 Sam Lantinga <[email protected]>

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  This software is provided 'as-is', without any express or implied

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  warranty.  In no event will the authors be held liable for any damages

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  arising from the use of this software.

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  Permission is granted to anyone to use this software for any purpose,

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  including commercial applications, and to alter it and redistribute it

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  freely, subject to the following restrictions:

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  1. The origin of this software must not be misrepresented; you must not

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     claim that you wrote the original software. If you use this software

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     in a product, an acknowledgment in the product documentation would be

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     appreciated but is not required.

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  2. Altered source versions must be plainly marked as such, and must not be

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     misrepresented as being the original software.

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  3. This notice may not be removed or altered from any source distribution.

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*/

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#include "SDL_internal.h"

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#ifndef SDL_JOYSTICK_IOKIT_H

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#define SDL_JOYSTICK_IOKIT_H

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#include <IOKit/hid/IOHIDLib.h>

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#include <ForceFeedback/ForceFeedback.h>

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#include <ForceFeedback/ForceFeedbackConstants.h>

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struct recElement

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{

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    IOHIDElementRef elementRef;

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    IOHIDElementCookie cookie;

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    uint32_t usagePage, usage; // HID usage

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    SInt32 min;                // reported min value possible

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    SInt32 max;                // reported max value possible

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    // runtime variables used for auto-calibration

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    SInt32 minReport; // min returned value

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    SInt32 maxReport; // max returned value

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    struct recElement *pNext; // next element in list

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};

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typedef struct recElement recElement;

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struct joystick_hwdata

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{

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    IOHIDDeviceRef deviceRef; // HIDManager device handle

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    io_service_t ffservice;   // Interface for force feedback, 0 = no ff

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    FFDeviceObjectReference ffdevice;

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    FFEFFECT *ffeffect;

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    FFEffectObjectReference ffeffect_ref;

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    bool ff_initialized;

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    char product[256];  // name of product

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    uint32_t usage;     // usage page from IOUSBHID Parser.h which defines general usage

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    uint32_t usagePage; // usage within above page from IOUSBHID Parser.h which defines specific usage

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    int axes;     // number of axis (calculated, not reported by device)

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    int buttons;  // number of buttons (calculated, not reported by device)

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    int hats;     // number of hat switches (calculated, not reported by device)

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    int elements; // number of total elements (should be total of above) (calculated, not reported by device)

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    recElement *firstAxis;

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    recElement *firstButton;

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    recElement *firstHat;

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    bool removed;

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    SDL_Joystick *joystick;

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    bool runLoopAttached; // is 'deviceRef' attached to a CFRunLoop?

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    int instance_id;

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    SDL_GUID guid;

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    int steam_virtual_gamepad_slot;

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    struct joystick_hwdata *pNext; // next device

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};

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typedef struct joystick_hwdata recDevice;

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#endif // SDL_JOYSTICK_IOKIT_H

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