libevdev.h File Reference

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

Go to the source code of this file.

Macros
#define	LIBEVDEV_DEPRECATED

Typedefs
typedef void(*	libevdev_log_func_t )(enum libevdev_log_priority priority, void *data, const char *file, int line, const char *func, const char *format, va_list args)
	Logging function called by library-internal logging. More...

Enumerations
enum	libevdev_read_flag { LIBEVDEV_READ_FLAG_SYNC, LIBEVDEV_READ_FLAG_NORMAL, LIBEVDEV_READ_FLAG_FORCE_SYNC, LIBEVDEV_READ_FLAG_BLOCKING }
enum	libevdev_log_priority { LIBEVDEV_LOG_ERROR, LIBEVDEV_LOG_INFO, LIBEVDEV_LOG_DEBUG }
enum	libevdev_grab_mode { LIBEVDEV_GRAB, LIBEVDEV_UNGRAB }
enum	libevdev_read_status { LIBEVDEV_READ_STATUS_SUCCESS, LIBEVDEV_READ_STATUS_SYNC }
enum	libevdev_led_value { LIBEVDEV_LED_ON, LIBEVDEV_LED_OFF }

Functions
struct libevdev *	libevdev_new (void)
	Initialize a new libevdev device. More...
int	libevdev_new_from_fd (int fd, struct libevdev **dev)
	Initialize a new libevdev device from the given fd. More...
void	libevdev_free (struct libevdev *dev)
	Clean up and free the libevdev struct. More...
void	libevdev_set_log_function (libevdev_log_func_t logfunc, void *data)
	Set a printf-style logging handler for library-internal logging. More...
void	libevdev_set_log_priority (enum libevdev_log_priority priority)
	Define the minimum level to be printed to the log handler. More...
enum libevdev_log_priority	libevdev_get_log_priority (void)
	Return the current log priority level. More...
int	libevdev_grab (struct libevdev *dev, enum libevdev_grab_mode grab)
	Grab or ungrab the device through a kernel EVIOCGRAB. More...
int	libevdev_set_fd (struct libevdev *dev, int fd)
	Set the fd for this struct and initialize internal data. More...
int	libevdev_change_fd (struct libevdev *dev, int fd)
	Change the fd for this device, without re-reading the actual device. More...
int	libevdev_get_fd (const struct libevdev *dev)
int	libevdev_next_event (struct libevdev *dev, unsigned int flags, struct input_event *ev)
	Get the next event from the device. More...
int	libevdev_has_event_pending (struct libevdev *dev)
	Check if there are events waiting for us. More...
const char *	libevdev_get_name (const struct libevdev *dev)
void	libevdev_set_name (struct libevdev *dev, const char *name)
const char *	libevdev_get_phys (const struct libevdev *dev)
	Virtual devices such as uinput devices have no phys location. More...
void	libevdev_set_phys (struct libevdev *dev, const char *phys)
const char *	libevdev_get_uniq (const struct libevdev *dev)
void	libevdev_set_uniq (struct libevdev *dev, const char *uniq)
int	libevdev_get_id_product (const struct libevdev *dev)
void	libevdev_set_id_product (struct libevdev *dev, int product_id)
int	libevdev_get_id_vendor (const struct libevdev *dev)
void	libevdev_set_id_vendor (struct libevdev *dev, int vendor_id)
int	libevdev_get_id_bustype (const struct libevdev *dev)
void	libevdev_set_id_bustype (struct libevdev *dev, int bustype)
int	libevdev_get_id_version (const struct libevdev *dev)
void	libevdev_set_id_version (struct libevdev *dev, int version)
int	libevdev_get_driver_version (const struct libevdev *dev)
int	libevdev_has_property (const struct libevdev *dev, unsigned int prop)
int	libevdev_enable_property (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_minimum (const struct libevdev *dev, unsigned int code)
	Get the minimum axis value for the given axis, as advertised by the kernel. More...
int	libevdev_get_abs_maximum (const struct libevdev *dev, unsigned int code)
	Get the maximum axis value for the given axis, as advertised by the kernel. More...
int	libevdev_get_abs_fuzz (const struct libevdev *dev, unsigned int code)
	Get the axis fuzz for the given axis, as advertised by the kernel. More...
int	libevdev_get_abs_flat (const struct libevdev *dev, unsigned int code)
	Get the axis flat for the given axis, as advertised by the kernel. More...
int	libevdev_get_abs_resolution (const struct libevdev *dev, unsigned int code)
	Get the axis resolution for the given axis, as advertised by the kernel. More...
const struct input_absinfo *	libevdev_get_abs_info (const struct libevdev *dev, unsigned int code)
	Get the axis info for the given axis, as advertised by the kernel. More...
int	libevdev_get_event_value (const struct libevdev *dev, unsigned int type, unsigned int code)
	Behaviour of this function is undefined if the device does not provide the event. More...
int	libevdev_set_event_value (struct libevdev *dev, unsigned int type, unsigned int code, int value)
	Set the value for a given event type and code. More...
int	libevdev_fetch_event_value (const struct libevdev *dev, unsigned int type, unsigned int code, int *value)
	Fetch the current value of the event type. More...
int	libevdev_get_slot_value (const struct libevdev *dev, unsigned int slot, unsigned int code)
	Return the current value of the code for the given slot. More...
int	libevdev_set_slot_value (struct libevdev *dev, unsigned int slot, unsigned int code, int value)
	Set the value for a given code for the given slot. More...
int	libevdev_fetch_slot_value (const struct libevdev *dev, unsigned int slot, unsigned int code, int *value)
	Fetch the current value of the code for the given slot. More...
int	libevdev_get_num_slots (const struct libevdev *dev)
	Get the number of slots supported by this device. More...
int	libevdev_get_current_slot (const struct libevdev *dev)
	Get the currently active slot. More...
void	libevdev_set_abs_minimum (struct libevdev *dev, unsigned int code, int min)
	Change the minimum for the given EV_ABS event code, if the code exists. More...
void	libevdev_set_abs_maximum (struct libevdev *dev, unsigned int code, int max)
	Change the maximum for the given EV_ABS event code, if the code exists. More...
void	libevdev_set_abs_fuzz (struct libevdev *dev, unsigned int code, int fuzz)
	Change the fuzz for the given EV_ABS event code, if the code exists. More...
void	libevdev_set_abs_flat (struct libevdev *dev, unsigned int code, int flat)
	Change the flat for the given EV_ABS event code, if the code exists. More...
void	libevdev_set_abs_resolution (struct libevdev *dev, unsigned int code, int resolution)
	Change the resolution for the given EV_ABS event code, if the code exists. More...
void	libevdev_set_abs_info (struct libevdev *dev, unsigned int code, const struct input_absinfo *abs)
	Change the abs info for the given EV_ABS event code, if the code exists. More...
int	libevdev_enable_event_type (struct libevdev *dev, unsigned int type)
	Forcibly enable an event type on this device, even if the underlying device does not support it. More...
int	libevdev_disable_event_type (struct libevdev *dev, unsigned int type)
	Forcibly disable an event type on this device, even if the underlying device provides it. More...
int	libevdev_enable_event_code (struct libevdev *dev, unsigned int type, unsigned int code, const void *data)
	Forcibly enable an event type on this device, even if the underlying device does not support it. More...
int	libevdev_disable_event_code (struct libevdev *dev, unsigned int type, unsigned int code)
	Forcibly disable an event code on this device, even if the underlying device provides it. More...
int	libevdev_kernel_set_abs_info (struct libevdev *dev, unsigned int code, const struct input_absinfo *abs)
	Set the device's EV_ABS axis to the value defined in the abs parameter. More...
int	libevdev_kernel_set_led_value (struct libevdev *dev, unsigned int code, enum libevdev_led_value value)
	Turn an LED on or off. More...
int	libevdev_kernel_set_led_values (struct libevdev *dev,...)
	Turn multiple LEDs on or off simultaneously. More...
int	libevdev_set_clock_id (struct libevdev *dev, int clockid)
	Set the clock ID to be used for timestamps. More...
int	libevdev_event_is_type (const struct input_event *ev, unsigned int type)
	Helper function to check if an event is of a specific type. More...
int	libevdev_event_is_code (const struct input_event *ev, unsigned int type, unsigned int code)
	Helper function to check if an event is of a specific type and code. More...
const char *	libevdev_event_type_get_name (unsigned int type)
const char *	libevdev_event_code_get_name (unsigned int type, unsigned int code)
const char *	libevdev_property_get_name (unsigned int prop)
int	libevdev_event_type_get_max (unsigned int type)
int	libevdev_event_type_from_name (const char *name)
	Look up an event-type by its name. More...
int	libevdev_event_type_from_name_n (const char *name, size_t len)
	Look up an event-type by its name. More...
int	libevdev_event_code_from_name (unsigned int type, const char *name)
	Look up an event code by its type and name. More...
int	libevdev_event_code_from_name_n (unsigned int type, const char *name, size_t len)
	Look up an event code by its type and name. More...
int	libevdev_get_repeat (const struct libevdev *dev, int *delay, int *period)
	Get the repeat delay and repeat period values for this device. More...

Macro Definition Documentation

#define LIBEVDEV_DEPRECATED