| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org> |
| 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_ |
| |
| #if HAVE_LIBUDEV_H || defined(SDL_JOYSTICK_LINUX) |
| |
| #include <linux/input.h> |
| |
| /* 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_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(unsigned long bitmask_ev[NBITS(EV_MAX)], |
| unsigned long bitmask_abs[NBITS(ABS_MAX)], |
| unsigned long bitmask_key[NBITS(KEY_MAX)], |
| unsigned long bitmask_rel[NBITS(REL_MAX)]); |
| |
| #endif /* HAVE_LIBUDEV_H || defined(SDL_JOYSTICK_LINUX) */ |
| |
| #endif /* SDL_evdev_capabilities_h_ */ |
| |
| /* vi: set ts=4 sw=4 expandtab: */ |