src/joystick/linux/SDL_sysjoystick_c.h
author Ryan C. Gordon
Sun, 03 Jan 2016 20:52:44 -0500
changeset 10004 8f2f519d1e61
parent 9998 f67cf37e9cd4
child 10641 ae818421bb1f
permissions -rw-r--r--
CMake: Don't make a libSDL2.so symlink on Mac OS X (do .dylib instead).
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
     4 
     5   This software is provided 'as-is', without any express or implied
     6   warranty.  In no event will the authors be held liable for any damages
     7   arising from the use of this software.
     8 
     9   Permission is granted to anyone to use this software for any purpose,
    10   including commercial applications, and to alter it and redistribute it
    11   freely, subject to the following restrictions:
    12 
    13   1. The origin of this software must not be misrepresented; you must not
    14      claim that you wrote the original software. If you use this software
    15      in a product, an acknowledgment in the product documentation would be
    16      appreciated but is not required.
    17   2. Altered source versions must be plainly marked as such, and must not be
    18      misrepresented as being the original software.
    19   3. This notice may not be removed or altered from any source distribution.
    20 */
    21 
    22 #include <linux/input.h>
    23 
    24 struct SDL_joylist_item;
    25 
    26 /* The private structure used to keep track of a joystick */
    27 struct joystick_hwdata
    28 {
    29     int fd;
    30     struct SDL_joylist_item *item;
    31     SDL_JoystickGUID guid;
    32     char *fname;                /* Used in haptic subsystem */
    33 
    34     /* The current Linux joystick driver maps hats to two axes */
    35     struct hwdata_hat
    36     {
    37         int axis[2];
    38     } *hats;
    39     /* The current Linux joystick driver maps balls to two axes */
    40     struct hwdata_ball
    41     {
    42         int axis[2];
    43     } *balls;
    44 
    45     /* Support for the Linux 2.4 unified input interface */
    46     Uint8 key_map[KEY_MAX - BTN_MISC];
    47     Uint8 abs_map[ABS_MAX];
    48     struct axis_correct
    49     {
    50         int used;
    51         int coef[3];
    52     } abs_correct[ABS_MAX];
    53 
    54     int fresh;
    55 };
    56 
    57 /* vi: set ts=4 sw=4 expandtab: */