libevdev-uinput.h

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/*
 * Copyright © 2013 Red Hat, Inc.
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that copyright
 * notice and this permission notice appear in supporting documentation, and
 * that the name of the copyright holders not be used in advertising or
 * publicity pertaining to distribution of the software without specific,
 * written prior permission.  The copyright holders make no representations
 * about the suitability of this software for any purpose.  It is provided "as
 * is" without express or implied warranty.
 *
 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
 * OF THIS 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 */