static void *udev_input_init(void)
{
settings_t *settings = config_get_ptr();
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 (*settings->input.keyboard_layout)
{
list = string_split(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(settings->input.joypad_driver, udev);
input_keymaps_init_keyboard_lut(rarch_key_map_linux);
disable_terminal_input();
return udev;
error:
udev_input_free(udev);
return NULL;
}
static void *udev_input_init(const char *joypad_driver)
{
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
if (init_xkb(-1, 0) == -1)
goto error;
#endif
if (!epoll_new(&udev->epfd))
{
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(joypad_driver, udev);
input_keymaps_init_keyboard_lut(rarch_key_map_linux);
linux_terminal_disable_input();
return udev;
error:
udev_input_free(udev);
return NULL;
}