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RetroArch/input/drivers/udev_input.c

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2015 - Hans-Kristian Arntzen
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "../input_common.h"
#include "../input_joypad.h"
#include "../input_keymaps.h"
#include "../../general.h"
#include <file/file_path.h>
#include <unistd.h>
#include <stdint.h>
#include <string.h>
#include <limits.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/poll.h>
#include <sys/epoll.h>
#include <fcntl.h>
#include <libudev.h>
#include <linux/types.h>
#include <linux/input.h>
#include <linux/kd.h>
#include <termios.h>
#include <signal.h>
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
/* Need libxkbcommon to translate raw evdev events to characters
* which can be passed to keyboard callback in a sensible way. */
#ifdef HAVE_XKBCOMMON
#include <xkbcommon/xkbcommon.h>
#define MOD_MAP_SIZE 5
#endif
typedef struct udev_input udev_input_t;
struct input_device;
typedef void (*device_handle_cb)(udev_input_t *udev,
const struct input_event *event, struct input_device *dev);
struct input_device
{
int fd;
dev_t dev;
device_handle_cb handle_cb;
char devnode[PATH_MAX_LENGTH];
union
{
/*
* keyboard
* mouse
*/
struct
{
float x, y;
float mod_x, mod_y;
struct input_absinfo info_x;
struct input_absinfo info_y;
bool touch;
} touchpad;
} state;
};
struct udev_input
{
struct udev *udev;
struct udev_monitor *monitor;
#ifdef HAVE_XKBCOMMON
struct xkb_context *xkb_ctx;
struct xkb_keymap *xkb_map;
struct xkb_state *xkb_state;
xkb_mod_index_t *mod_map_idx;
uint16_t *mod_map_bit;
#endif
const rarch_joypad_driver_t *joypad;
uint8_t key_state[(KEY_MAX + 7) / 8];
int epfd;
struct input_device **devices;
unsigned num_devices;
int16_t mouse_x;
int16_t mouse_y;
bool mouse_l, mouse_r, mouse_m, mouse_wu, mouse_wd, mouse_whu, mouse_whd;
};
#ifdef HAVE_XKBCOMMON
void handle_xkb(
struct xkb_state *xkb_state,
xkb_mod_index_t *mod_map_idx,
uint16_t *mod_map_bit,
int code, int value);
#endif
static void udev_handle_keyboard(udev_input_t *udev,
const struct input_event *event, struct input_device *dev)
{
switch (event->type)
{
case EV_KEY:
if (event->value)
BIT_SET(udev->key_state, event->code);
else
BIT_CLEAR(udev->key_state, event->code);
#ifdef HAVE_XKBCOMMON
handle_xkb(udev->xkb_state, udev->mod_map_idx, udev->mod_map_bit, event->code, event->value);
#endif
break;
default:
break;
}
}
static void udev_handle_touchpad(udev_input_t *udev,
const struct input_event *event, struct input_device *dev)
{
switch (event->type)
{
case EV_ABS:
switch (event->code)
{
case ABS_X:
{
int x = event->value - dev->state.touchpad.info_x.minimum;
int range = dev->state.touchpad.info_x.maximum -
dev->state.touchpad.info_x.minimum;
float x_norm = (float)x / range;
float rel_x = x_norm - dev->state.touchpad.x;
if (dev->state.touchpad.touch)
udev->mouse_x += (int16_t)
roundf(dev->state.touchpad.mod_x * rel_x);
dev->state.touchpad.x = x_norm;
/* Some factor, not sure what's good to do here ... */
dev->state.touchpad.mod_x = 500.0f;
break;
}
case ABS_Y:
{
int y = event->value - dev->state.touchpad.info_y.minimum;
int range = dev->state.touchpad.info_y.maximum -
dev->state.touchpad.info_y.minimum;
float y_norm = (float)y / range;
float rel_y = y_norm - dev->state.touchpad.y;
if (dev->state.touchpad.touch)
udev->mouse_y += (int16_t)roundf(dev->state.touchpad.mod_y * rel_y);
dev->state.touchpad.y = y_norm;
/* Some factor, not sure what's good to do here ... */
dev->state.touchpad.mod_y = 500.0f;
break;
}
default:
break;
}
break;
case EV_KEY:
switch (event->code)
{
case BTN_TOUCH:
dev->state.touchpad.touch = event->value;
dev->state.touchpad.mod_x = 0.0f; /* First ABS event is not a relative one. */
dev->state.touchpad.mod_y = 0.0f;
break;
default:
break;
}
}
}
static void udev_handle_mouse(udev_input_t *udev,
const struct input_event *event, struct input_device *dev)
{
switch (event->type)
{
case EV_KEY:
/* TODO: mouse wheel up/down doesn't work */
switch (event->code)
{
case BTN_LEFT:
udev->mouse_l = event->value;
break;
case BTN_RIGHT:
udev->mouse_r = event->value;
break;
case BTN_MIDDLE:
udev->mouse_m = event->value;
break;
default:
break;
}
break;
case EV_REL:
switch (event->code)
{
case REL_X:
udev->mouse_x += event->value;
break;
case REL_Y:
udev->mouse_y += event->value;
break;
case REL_WHEEL:
if (event->value == 1)
udev->mouse_wu = 1;
else if (event->value == -1)
udev->mouse_wd = 1;
break;
case REL_HWHEEL:
if (event->value == 1)
udev->mouse_whu = 1;
else if (event->value == -1)
udev->mouse_whd = 1;
break;
break;
default:
break;
}
break;
default:
break;
}
}
static bool udev_input_hotplug_available(udev_input_t *udev)
{
struct pollfd fds = {0};
if (!udev || !udev->monitor)
return false;
fds.fd = udev_monitor_get_fd(udev->monitor);
fds.events = POLLIN;
return (poll(&fds, 1, 0) == 1) && (fds.revents & POLLIN);
}
static bool add_device(udev_input_t *udev,
const char *devnode, device_handle_cb cb)
{
int fd;
struct stat st;
struct input_device **tmp;
struct input_device *device = NULL;
struct epoll_event event = {0};
if (stat(devnode, &st) < 0)
return false;
fd = open(devnode, O_RDONLY | O_NONBLOCK);
if (fd < 0)
return false;
device = (struct input_device*)calloc(1, sizeof(*device));
if (!device)
{
close(fd);
return false;
}
device->fd = fd;
device->dev = st.st_dev;
device->handle_cb = cb;
strlcpy(device->devnode, devnode, sizeof(device->devnode));
// Touchpads report in absolute coords.
if (cb == udev_handle_touchpad &&
(ioctl(fd, EVIOCGABS(ABS_X), &device->state.touchpad.info_x) < 0 ||
ioctl(fd, EVIOCGABS(ABS_Y), &device->state.touchpad.info_y) < 0))
{
free(device);
close(fd);
return false;
}
tmp = (struct input_device**)realloc(udev->devices,
(udev->num_devices + 1) * sizeof(*udev->devices));
if (!tmp)
{
close(fd);
free(device);
return false;
}
tmp[udev->num_devices++] = device;
udev->devices = tmp;
event.events = EPOLLIN;
event.data.ptr = device;
/* Shouldn't happen, but just check it. */
if (epoll_ctl(udev->epfd, EPOLL_CTL_ADD, fd, &event) < 0)
RARCH_ERR("Failed to add FD (%d) to epoll list (%s).\n",
fd, strerror(errno));
return true;
}
static void udev_input_remove_device(udev_input_t *udev, const char *devnode)
{
unsigned i;
for (i = 0; i < udev->num_devices; i++)
{
if (!strcmp(devnode, udev->devices[i]->devnode))
{
close(udev->devices[i]->fd);
free(udev->devices[i]);
memmove(udev->devices + i, udev->devices + i + 1,
(udev->num_devices - (i + 1)) * sizeof(*udev->devices));
udev->num_devices--;
}
}
}
static void udev_input_handle_hotplug(udev_input_t *udev)
{
bool is_keyboard, is_mouse, is_touchpad;
struct udev_device *dev = udev_monitor_receive_device(udev->monitor);
device_handle_cb cb = NULL;
const char *devtype = NULL;
const char *val_keyboard = NULL;
const char *val_mouse = NULL;
const char *val_touchpad = NULL;
const char *action = NULL;
const char *devnode = NULL;
if (!dev)
return;
val_keyboard = udev_device_get_property_value(dev, "ID_INPUT_KEYBOARD");
val_mouse = udev_device_get_property_value(dev, "ID_INPUT_MOUSE");
val_touchpad = udev_device_get_property_value(dev, "ID_INPUT_TOUCHPAD");
action = udev_device_get_action(dev);
devnode = udev_device_get_devnode(dev);
is_keyboard = val_keyboard && !strcmp(val_keyboard, "1") && devnode;
is_mouse = val_mouse && !strcmp(val_mouse, "1") && devnode;
is_touchpad = val_touchpad && !strcmp(val_touchpad, "1") && devnode;
if (!is_keyboard && !is_mouse && !is_touchpad)
goto end;
if (is_keyboard)
{
cb = udev_handle_keyboard;
devtype = "keyboard";
}
else if (is_touchpad)
{
cb = udev_handle_touchpad;
devtype = "touchpad";
}
else if (is_mouse)
{
cb = udev_handle_mouse;
devtype = "mouse";
}
if (!strcmp(action, "add"))
{
RARCH_LOG("[udev]: Hotplug add %s: %s.\n", devtype, devnode);
add_device(udev, devnode, cb);
}
else if (!strcmp(action, "remove"))
{
RARCH_LOG("[udev]: Hotplug remove %s: %s.\n", devtype, devnode);
udev_input_remove_device(udev, devnode);
}
end:
udev_device_unref(dev);
}
static void udev_input_poll(void *data)
{
int i, ret;
struct epoll_event events[32];
udev_input_t *udev = (udev_input_t*)data;
udev->mouse_x = udev->mouse_y = 0;
udev->mouse_wu = udev->mouse_wd = 0;
udev->mouse_whu = udev->mouse_whd = 0;
while (udev_input_hotplug_available(udev))
udev_input_handle_hotplug(udev);
ret = epoll_wait(udev->epfd, events, ARRAY_SIZE(events), 0);
for (i = 0; i < ret; i++)
{
if (events[i].events & EPOLLIN)
{
int j, len;
struct input_event input_events[32];
struct input_device *device = (struct input_device*)events[i].data.ptr;
while ((len = read(device->fd, input_events, sizeof(input_events))) > 0)
{
len /= sizeof(*input_events);
for (j = 0; j < len; j++)
device->handle_cb(udev, &input_events[j], device);
}
}
}
if (udev->joypad)
udev->joypad->poll();
}
static int16_t udev_mouse_state(udev_input_t *udev, unsigned id)
{
switch (id)
{
case RETRO_DEVICE_ID_MOUSE_X:
return udev->mouse_x;
case RETRO_DEVICE_ID_MOUSE_Y:
return udev->mouse_y;
case RETRO_DEVICE_ID_MOUSE_LEFT:
return udev->mouse_l;
case RETRO_DEVICE_ID_MOUSE_RIGHT:
return udev->mouse_r;
case RETRO_DEVICE_ID_MOUSE_MIDDLE:
return udev->mouse_m;
case RETRO_DEVICE_ID_MOUSE_WHEELUP:
return udev->mouse_wu;
case RETRO_DEVICE_ID_MOUSE_WHEELDOWN:
return udev->mouse_wd;
case RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELUP:
return udev->mouse_whu;
case RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELDOWN:
return udev->mouse_whd;
}
return 0;
}
static int16_t udev_lightgun_state(udev_input_t *udev, unsigned id)
{
switch (id)
{
case RETRO_DEVICE_ID_LIGHTGUN_X:
return udev->mouse_x;
case RETRO_DEVICE_ID_LIGHTGUN_Y:
return udev->mouse_y;
case RETRO_DEVICE_ID_LIGHTGUN_TRIGGER:
return udev->mouse_l;
case RETRO_DEVICE_ID_LIGHTGUN_CURSOR:
return udev->mouse_m;
case RETRO_DEVICE_ID_LIGHTGUN_TURBO:
return udev->mouse_r;
case RETRO_DEVICE_ID_LIGHTGUN_START:
return udev->mouse_m && udev->mouse_r;
case RETRO_DEVICE_ID_LIGHTGUN_PAUSE:
return udev->mouse_m && udev->mouse_l;
}
return 0;
}
static bool udev_input_is_pressed(udev_input_t *udev, const struct retro_keybind *binds, unsigned id)
{
if (id < RARCH_BIND_LIST_END)
{
const struct retro_keybind *bind = &binds[id];
unsigned bit = input_keymaps_translate_rk_to_keysym(binds[id].key);
return bind->valid && BIT_GET(udev->key_state, bit);
}
return false;
}
static int16_t udev_analog_pressed(udev_input_t *udev,
const struct retro_keybind *binds, unsigned idx, unsigned id)
{
unsigned id_minus = 0;
unsigned id_plus = 0;
int16_t pressed_minus = 0, pressed_plus = 0;
input_conv_analog_id_to_bind_id(idx, id, &id_minus, &id_plus);
if (udev_input_is_pressed(udev, binds, id_minus))
pressed_minus = -0x7fff;
if (udev_input_is_pressed(udev, binds, id_plus))
pressed_plus = 0x7fff;
return pressed_plus + pressed_minus;
}
static int16_t udev_input_state(void *data, const struct retro_keybind **binds,
unsigned port, unsigned device, unsigned idx, unsigned id)
{
int16_t ret;
udev_input_t *udev = (udev_input_t*)data;
switch (device)
{
case RETRO_DEVICE_JOYPAD:
return udev_input_is_pressed(udev, binds[port], id) ||
input_joypad_pressed(udev->joypad, port, binds[port], id);
case RETRO_DEVICE_ANALOG:
ret = udev_analog_pressed(udev, binds[port], idx, id);
if (!ret)
ret = input_joypad_analog(udev->joypad, port, idx, id, binds[port]);
return ret;
case RETRO_DEVICE_KEYBOARD:
{
unsigned bit = input_keymaps_translate_rk_to_keysym((enum retro_key)id);
return id < RETROK_LAST && BIT_GET(udev->key_state, bit);
}
case RETRO_DEVICE_MOUSE:
return udev_mouse_state(udev, id);
case RETRO_DEVICE_LIGHTGUN:
return udev_lightgun_state(udev, id);
}
return 0;
}
static bool udev_input_bind_button_pressed(void *data, int key)
{
udev_input_t *udev = (udev_input_t*)data;
return udev_input_is_pressed(udev, g_settings.input.binds[0], key) ||
input_joypad_pressed(udev->joypad, 0, g_settings.input.binds[0], key);
}
static void udev_input_free(void *data)
{
unsigned i;
udev_input_t *udev = (udev_input_t*)data;
if (!data || !udev)
return;
if (udev->joypad)
udev->joypad->destroy();
if (udev->epfd >= 0)
close(udev->epfd);
for (i = 0; i < udev->num_devices; i++)
{
close(udev->devices[i]->fd);
free(udev->devices[i]);
}
free(udev->devices);
if (udev->monitor)
udev_monitor_unref(udev->monitor);
if (udev->udev)
udev_unref(udev->udev);
#ifdef HAVE_XKBCOMMON
if (udev->mod_map_idx)
free(udev->mod_map_idx);
if (udev->mod_map_bit)
free(udev->mod_map_bit);
if (udev->xkb_map)
xkb_keymap_unref(udev->xkb_map);
if (udev->xkb_ctx)
xkb_context_unref(udev->xkb_ctx);
if (udev->xkb_state)
xkb_state_unref(udev->xkb_state);
#endif
free(udev);
}
static bool open_devices(udev_input_t *udev, const char *type, device_handle_cb cb)
{
struct udev_list_entry *devs;
struct udev_list_entry *item;
struct udev_enumerate *enumerate = udev_enumerate_new(udev->udev);
if (!enumerate)
return false;
udev_enumerate_add_match_property(enumerate, type, "1");
udev_enumerate_scan_devices(enumerate);
devs = udev_enumerate_get_list_entry(enumerate);
for (item = devs; item; item = udev_list_entry_get_next(item))
{
const char *name = udev_list_entry_get_name(item);
/* Get the filename of the /sys entry for the device
* and create a udev_device object (dev) representing it. */
struct udev_device *dev = udev_device_new_from_syspath(udev->udev, name);
const char *devnode = udev_device_get_devnode(dev);
if (devnode)
{
int fd = open(devnode, O_RDONLY | O_NONBLOCK);
RARCH_LOG("[udev] Adding device %s as type %s.\n", devnode, type);
if (!add_device(udev, devnode, cb))
RARCH_ERR("[udev] Failed to open device: %s (%s).\n", devnode, strerror(errno));
}
udev_device_unref(dev);
}
udev_enumerate_unref(enumerate);
return true;
}
static long oldkbmd = 0xffff;
static struct termios oldterm, newterm;
static void restore_terminal_input(void)
{
if (oldkbmd == 0xffff)
return;
ioctl(0, KDSKBMODE, oldkbmd);
tcsetattr(0, TCSAFLUSH, &oldterm);
oldkbmd = 0xffff;
}
static void restore_terminal_signal(int sig)
{
restore_terminal_input();
kill(getpid(), sig);
}
static void disable_terminal_input(void)
{
struct sigaction sa;
// Avoid accidentally typing stuff
if (!isatty(0) || oldkbmd != 0xffff)
return;
if (tcgetattr(0, &oldterm) < 0)
return;
newterm = oldterm;
newterm.c_lflag &= ~(ECHO | ICANON | ISIG);
newterm.c_iflag &= ~(ISTRIP | IGNCR | ICRNL | INLCR | IXOFF | IXON);
newterm.c_cc[VMIN] = 0;
newterm.c_cc[VTIME] = 0;
// Be careful about recovering the terminal ...
if (ioctl(0, KDGKBMODE, &oldkbmd) < 0)
return;
if (tcsetattr(0, TCSAFLUSH, &newterm) < 0)
return;
if (ioctl(0, KDSKBMODE, K_MEDIUMRAW) < 0)
{
tcsetattr(0, TCSAFLUSH, &oldterm);
return;
}
memset(&sa, 0, sizeof(sa));
sa.sa_handler = restore_terminal_signal;
sa.sa_flags = SA_RESTART | SA_RESETHAND;
sigemptyset(&sa.sa_mask);
// Trap some fatal signals.
sigaction(SIGABRT, &sa, NULL);
sigaction(SIGBUS, &sa, NULL);
sigaction(SIGFPE, &sa, NULL);
sigaction(SIGILL, &sa, NULL);
sigaction(SIGQUIT, &sa, NULL);
sigaction(SIGSEGV, &sa, NULL);
atexit(restore_terminal_input);
}
static void *udev_input_init(void)
{
udev_input_t *udev = (udev_input_t*)calloc(1, sizeof(*udev));
if (!udev)
return NULL;
udev->udev = udev_new();
if (!udev->udev)
{
RARCH_ERR("Failed to create udev handle.\n");
goto error;
}
udev->monitor = udev_monitor_new_from_netlink(udev->udev, "udev");
if (udev->monitor)
{
udev_monitor_filter_add_match_subsystem_devtype(udev->monitor, "input", NULL);
udev_monitor_enable_receiving(udev->monitor);
}
#ifdef HAVE_XKBCOMMON
udev->mod_map_idx = (xkb_mod_index_t *)calloc(MOD_MAP_SIZE, sizeof(xkb_mod_index_t));
if (!udev->mod_map_idx)
goto error;
udev->mod_map_bit = (uint16_t*)calloc(MOD_MAP_SIZE, sizeof(uint16_t));
if (!udev->mod_map_bit)
goto error;
udev->xkb_ctx = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
if (udev->xkb_ctx)
{
struct string_list *list = NULL;
struct xkb_rule_names rule = {0};
rule.rules = "evdev";
if (*g_settings.input.keyboard_layout)
{
list = string_split(g_settings.input.keyboard_layout, ":");
if (list && list->size >= 2)
rule.variant = list->elems[1].data;
if (list && list->size >= 1)
rule.layout = list->elems[0].data;
}
udev->xkb_map = xkb_keymap_new_from_names(udev->xkb_ctx, &rule, XKB_MAP_COMPILE_NO_FLAGS);
if (list)
string_list_free(list);
}
if (udev->xkb_map)
{
xkb_mod_index_t *map_idx = (xkb_mod_index_t*)&udev->mod_map_idx[0];
uint16_t *map_bit = (uint16_t*)&udev->mod_map_bit[0];
udev->xkb_state = xkb_state_new(udev->xkb_map);
*map_idx = xkb_keymap_mod_get_index(udev->xkb_map, XKB_MOD_NAME_CAPS);
map_idx++;
*map_bit = RETROKMOD_CAPSLOCK;
map_bit++;
*map_idx = xkb_keymap_mod_get_index(udev->xkb_map, XKB_MOD_NAME_SHIFT);
map_idx++;
*map_bit = RETROKMOD_SHIFT;
map_bit++;
*map_idx = xkb_keymap_mod_get_index(udev->xkb_map, XKB_MOD_NAME_CTRL);
map_idx++;
*map_bit = RETROKMOD_CTRL;
map_bit++;
*map_idx = xkb_keymap_mod_get_index(udev->xkb_map, XKB_MOD_NAME_ALT);
map_idx++;
*map_bit = RETROKMOD_ALT;
map_bit++;
*map_idx = xkb_keymap_mod_get_index(udev->xkb_map, XKB_MOD_NAME_LOGO);
*map_bit = RETROKMOD_META;
}
#endif
udev->epfd = epoll_create(32);
if (udev->epfd < 0)
{
RARCH_ERR("Failed to create epoll FD.\n");
goto error;
}
if (!open_devices(udev, "ID_INPUT_KEYBOARD", udev_handle_keyboard))
{
RARCH_ERR("Failed to open keyboard.\n");
goto error;
}
if (!open_devices(udev, "ID_INPUT_MOUSE", udev_handle_mouse))
{
RARCH_ERR("Failed to open mouse.\n");
goto error;
}
if (!open_devices(udev, "ID_INPUT_TOUCHPAD", udev_handle_touchpad))
{
RARCH_ERR("Failed to open touchpads.\n");
goto error;
}
/* If using KMS and we forgot this,
* we could lock ourselves out completely. */
if (!udev->num_devices)
RARCH_WARN("[udev]: Couldn't open any keyboard, mouse or touchpad. Are permissions set correctly for /dev/input/event*?\n");
udev->joypad = input_joypad_init_driver(g_settings.input.joypad_driver);
input_keymaps_init_keyboard_lut(rarch_key_map_linux);
disable_terminal_input();
return udev;
error:
udev_input_free(udev);
return NULL;
}
static uint64_t udev_input_get_capabilities(void *data)
{
(void)data;
return
(1 << RETRO_DEVICE_JOYPAD) |
(1 << RETRO_DEVICE_ANALOG) |
(1 << RETRO_DEVICE_KEYBOARD) |
(1 << RETRO_DEVICE_MOUSE) |
(1 << RETRO_DEVICE_LIGHTGUN);
}
static void udev_input_grab_mouse(void *data, bool state)
{
/* Dummy for now. Might be useful in the future. */
(void)data;
(void)state;
}
static bool udev_input_set_rumble(void *data, unsigned port, enum retro_rumble_effect effect, uint16_t strength)
{
udev_input_t *udev = (udev_input_t*)data;
if (udev && udev->joypad)
return input_joypad_set_rumble(udev->joypad, port, effect, strength);
return false;
}
static const rarch_joypad_driver_t *udev_input_get_joypad_driver(void *data)
{
udev_input_t *udev = (udev_input_t*)data;
if (!udev)
return NULL;
return udev->joypad;
}
input_driver_t input_udev = {
udev_input_init,
udev_input_poll,
udev_input_state,
udev_input_bind_button_pressed,
udev_input_free,
NULL,
NULL,
udev_input_get_capabilities,
"udev",
udev_input_grab_mouse,
udev_input_set_rumble,
udev_input_get_joypad_driver,
};
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