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libevdev-uinput.h
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1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright © 2013 Red Hat, Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a copy
6 * of this software and associated documentation files (the "Software"), to
7 * deal in the Software without restriction, including without limitation the
8 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
9 * sell copies of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22 * IN THE SOFTWARE.
23 */
24
25#ifndef LIBEVDEV_UINPUT_H
26#define LIBEVDEV_UINPUT_H
27
28#ifdef __cplusplus
29 extern "C" {
30#endif
31
32#include <libevdev/libevdev.h>
33
34 struct libevdev_uinput;
35
109
110 enum libevdev_uinput_open_mode {
111 /* intentionally -2 to avoid code like below from accidentally working:
112 fd = open("/dev/uinput", O_RDWR); // fails, fd is -1
113 libevdev_uinput_create_from_device(dev, fd, &uidev); // may hide the error */
114 LIBEVDEV_UINPUT_OPEN_MANAGED = -2
115};
116
154 int libevdev_uinput_create_from_device(const struct libevdev *dev,
155 int uinput_fd,
156 struct libevdev_uinput **uinput_dev);
157
169 void libevdev_uinput_destroy(struct libevdev_uinput *uinput_dev);
170
184 int libevdev_uinput_get_fd(const struct libevdev_uinput *uinput_dev);
185
210 const char* libevdev_uinput_get_syspath(struct libevdev_uinput *uinput_dev);
211
232 const char* libevdev_uinput_get_devnode(struct libevdev_uinput *uinput_dev);
233
248 int libevdev_uinput_write_event(const struct libevdev_uinput *uinput_dev,
249 unsigned int type,
250 unsigned int code,
251 int value);
252#ifdef __cplusplus
253}
254#endif
255
256#endif /* LIBEVDEV_UINPUT_H */
libevdev_uinput_write_event
int libevdev_uinput_write_event(const struct libevdev_uinput *uinput_dev, unsigned int type, unsigned int code, int value)
Post an event through the uinput device.
libevdev_uinput_get_syspath
const char * libevdev_uinput_get_syspath(struct libevdev_uinput *uinput_dev)
Return the syspath representing this uinput device.
libevdev_uinput_get_fd
int libevdev_uinput_get_fd(const struct libevdev_uinput *uinput_dev)
Return the file descriptor used to create this uinput device.
libevdev_uinput_destroy
void libevdev_uinput_destroy(struct libevdev_uinput *uinput_dev)
Destroy a previously created uinput device and free associated memory.
libevdev_uinput_get_devnode
const char * libevdev_uinput_get_devnode(struct libevdev_uinput *uinput_dev)
Return the device node representing this uinput device.
libevdev_uinput_create_from_device
int libevdev_uinput_create_from_device(const struct libevdev *dev, int uinput_fd, struct libevdev_uinput **uinput_dev)
Create a uinput device based on the given libevdev device.
libevdev_uinput_open_mode
libevdev_uinput_open_mode
Definition libevdev-uinput.h:110
LIBEVDEV_UINPUT_OPEN_MANAGED
@ LIBEVDEV_UINPUT_OPEN_MANAGED
let libevdev open and close /dev/uinput
Definition libevdev-uinput.h:114
libevdev.h