libevdev.h

Go to the documentation of this file.

/*
 * 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_H
#define libevdev_H

#include <linux/input.h>
#include <stdarg.h>

struct libevdev;

enum EvdevReadFlags {
        LIBEVDEV_READ_SYNC              = 1, 
        LIBEVDEV_READ_NORMAL            = 2, 
        LIBEVDEV_FORCE_SYNC             = 4, 
        LIBEVDEV_READ_BLOCKING          = 8, 
};

struct libevdev* libevdev_new(void);

int libevdev_new_from_fd(int fd, struct libevdev **dev);

void libevdev_free(struct libevdev *dev);

typedef void (*libevdev_log_func_t)(const char *format, va_list args);

void libevdev_set_log_handler(struct libevdev *dev, libevdev_log_func_t logfunc);


enum EvdevGrabModes {
        LIBEVDEV_GRAB = 3,
        LIBEVDEV_UNGRAB = 4,
};

int libevdev_grab(struct libevdev *dev, int grab);

int libevdev_set_fd(struct libevdev* dev, int fd);

int libevdev_change_fd(struct libevdev* dev, int fd);

int libevdev_get_fd(const struct libevdev* dev);

int libevdev_next_event(struct libevdev *dev, unsigned int flags, struct input_event *ev);

const char* libevdev_get_name(const struct libevdev *dev);

const char * libevdev_get_phys(const struct libevdev *dev);

const char * libevdev_get_uniq(const struct libevdev *dev);

int libevdev_get_product_id(const struct libevdev *dev);

int libevdev_get_vendor_id(const struct libevdev *dev);

int libevdev_get_bustype(const struct libevdev *dev);

int libevdev_get_version(const struct libevdev *dev);

int libevdev_get_driver_version(const struct libevdev *dev);

int libevdev_has_property(const struct libevdev *dev, unsigned int prop);

int libevdev_has_event_type(const struct libevdev *dev, unsigned int type);

int libevdev_has_event_code(const struct libevdev *dev, unsigned int type, unsigned int code);

int libevdev_get_abs_min(const struct libevdev *dev, unsigned int code);
int libevdev_get_abs_max(const struct libevdev *dev, unsigned int code);
int libevdev_get_abs_fuzz(const struct libevdev *dev, unsigned int code);
int libevdev_get_abs_flat(const struct libevdev *dev, unsigned int code);
int libevdev_get_abs_resolution(const struct libevdev *dev, unsigned int code);

const struct input_absinfo* libevdev_get_abs_info(const struct libevdev *dev, unsigned int code);

int libevdev_get_event_value(const struct libevdev *dev, unsigned int type, unsigned int code);

int libevdev_fetch_event_value(const struct libevdev *dev, unsigned int type, unsigned int code, int *value);

int libevdev_get_slot_value(const struct libevdev *dev, unsigned int slot, unsigned int code);

int libevdev_fetch_slot_value(const struct libevdev *dev, unsigned int slot, unsigned int code, int *value);

int libevdev_get_num_slots(const struct libevdev *dev);

int libevdev_get_current_slot(const struct libevdev *dev);

int libevdev_enable_event_type(struct libevdev *dev, unsigned int type);

int libevdev_disable_event_type(struct libevdev *dev, unsigned int type);

int libevdev_enable_event_code(struct libevdev *dev, unsigned int type, unsigned int code, const void *data);

int libevdev_disable_event_code(struct libevdev *dev, unsigned int type, unsigned int code);

int libevdev_kernel_set_abs_value(struct libevdev *dev, unsigned int code, const struct input_absinfo *abs);

int libevdev_is_event_type(const struct input_event *ev, unsigned int type);

int libevdev_is_event_code(const struct input_event *ev, unsigned int type, unsigned int code);

const char * libevdev_get_event_type_name(unsigned int type);
const char * libevdev_get_event_code_name(unsigned int type, unsigned int code);

const char * libevdev_get_input_prop_name(unsigned int prop);

int libevdev_get_event_type_max(unsigned int type);

int libevdev_get_repeat(struct libevdev *dev, int *delay, int *period);

#endif /* libevdev_H */