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- /*
- Simple DirectMedia Layer
- Copyright (C) 1997-2025 Sam Lantinga <[email protected]>
- Copyright (C) 2020 Collabora Ltd.
- 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.
- */
- #include "SDL_internal.h"
- #ifndef SDL_evdev_capabilities_h_
- #define SDL_evdev_capabilities_h_
- #ifdef HAVE_LINUX_INPUT_H
- #include <linux/input.h>
- #ifndef INPUT_PROP_SEMI_MT
- #define INPUT_PROP_SEMI_MT 0x03
- #endif
- #ifndef INPUT_PROP_TOPBUTTONPAD
- #define INPUT_PROP_TOPBUTTONPAD 0x04
- #endif
- #ifndef INPUT_PROP_POINTING_STICK
- #define INPUT_PROP_POINTING_STICK 0x05
- #endif
- #ifndef INPUT_PROP_ACCELEROMETER
- #define INPUT_PROP_ACCELEROMETER 0x06
- #endif
- #ifndef INPUT_PROP_MAX
- #define INPUT_PROP_MAX 0x1f
- #endif
- // A device can be any combination of these classes
- typedef enum
- {
- SDL_UDEV_DEVICE_UNKNOWN = 0x0000,
- SDL_UDEV_DEVICE_MOUSE = 0x0001,
- SDL_UDEV_DEVICE_KEYBOARD = 0x0002,
- SDL_UDEV_DEVICE_JOYSTICK = 0x0004,
- SDL_UDEV_DEVICE_SOUND = 0x0008,
- SDL_UDEV_DEVICE_TOUCHSCREEN = 0x0010,
- SDL_UDEV_DEVICE_ACCELEROMETER = 0x0020,
- SDL_UDEV_DEVICE_TOUCHPAD = 0x0040,
- SDL_UDEV_DEVICE_HAS_KEYS = 0x0080,
- SDL_UDEV_DEVICE_VIDEO_CAPTURE = 0x0100,
- } SDL_UDEV_deviceclass;
- #define BITS_PER_LONG (sizeof(unsigned long) * 8)
- #define NBITS(x) ((((x)-1) / BITS_PER_LONG) + 1)
- #define EVDEV_OFF(x) ((x) % BITS_PER_LONG)
- #define EVDEV_LONG(x) ((x) / BITS_PER_LONG)
- #define test_bit(bit, array) ((array[EVDEV_LONG(bit)] >> EVDEV_OFF(bit)) & 1)
- extern int SDL_EVDEV_GuessDeviceClass(const unsigned long bitmask_props[NBITS(INPUT_PROP_MAX)],
- const unsigned long bitmask_ev[NBITS(EV_MAX)],
- const unsigned long bitmask_abs[NBITS(ABS_MAX)],
- const unsigned long bitmask_key[NBITS(KEY_MAX)],
- const unsigned long bitmask_rel[NBITS(REL_MAX)]);
- #endif // HAVE_LINUX_INPUT_H
- #endif // SDL_evdev_capabilities_h_
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