libevdev-uinput.h

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/* SPDX-License-Identifier: MIT */
/*
 * Copyright © 2013 Red Hat, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */
 
#ifndef LIBEVDEV_UINPUT_H
#define LIBEVDEV_UINPUT_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <libevdev/libevdev.h>
 
struct libevdev_uinput;
 
enum libevdev_uinput_open_mode {
        /* intentionally -2 to avoid to avoid code like the below from accidentally working:
                fd = open("/dev/uinput", O_RDWR); // fails, fd is -1
                libevdev_uinput_create_from_device(dev, fd, &uidev); // may hide the error */
        LIBEVDEV_UINPUT_OPEN_MANAGED = -2  
};
 
int libevdev_uinput_create_from_device(const struct libevdev *dev,
                                       int uinput_fd,
                                       struct libevdev_uinput **uinput_dev);
 
void libevdev_uinput_destroy(struct libevdev_uinput *uinput_dev);
 
int libevdev_uinput_get_fd(const struct libevdev_uinput *uinput_dev);
 
const char* libevdev_uinput_get_syspath(struct libevdev_uinput *uinput_dev);
 
const char* libevdev_uinput_get_devnode(struct libevdev_uinput *uinput_dev);
 
int libevdev_uinput_write_event(const struct libevdev_uinput *uinput_dev,
                                unsigned int type,
                                unsigned int code,
                                int value);
#ifdef __cplusplus
}
#endif
 
#endif /* LIBEVDEV_UINPUT_H */