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libevdev.h File Reference
#include <linux/input.h>
#include <stdarg.h>
Include dependency graph for libevdev.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.
Macros | |
#define | LIBEVDEV_ATTRIBUTE_PRINTF(_format, _args) |
#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. | |
typedef void(* | libevdev_device_log_func_t) (const struct libevdev *dev, 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 for a specific libevdev context. | |
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. | |
int | libevdev_new_from_fd (int fd, struct libevdev **dev) |
Initialize a new libevdev device from the given fd. | |
void | libevdev_free (struct libevdev *dev) |
Clean up and free the libevdev struct. | |
void | libevdev_set_log_function (libevdev_log_func_t logfunc, void *data) |
Set a printf-style logging handler for library-internal logging. | |
void | libevdev_set_log_priority (enum libevdev_log_priority priority) |
Define the minimum level to be printed to the log handler. | |
enum libevdev_log_priority | libevdev_get_log_priority (void) |
Return the current log priority level. | |
void | libevdev_set_device_log_function (struct libevdev *dev, libevdev_device_log_func_t logfunc, enum libevdev_log_priority priority, void *data) |
Set a printf-style logging handler for library-internal logging for this device context. | |
int | libevdev_grab (struct libevdev *dev, enum libevdev_grab_mode grab) |
Grab or ungrab the device through a kernel EVIOCGRAB. | |
int | libevdev_set_fd (struct libevdev *dev, int fd) |
Set the fd for this struct and initialize internal data. | |
int | libevdev_change_fd (struct libevdev *dev, int fd) |
Change the fd for this device, without re-reading the actual device. | |
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. | |
int | libevdev_has_event_pending (struct libevdev *dev) |
Check if there are events waiting for us. | |
const char * | libevdev_get_name (const struct libevdev *dev) |
Retrieve the device's name, either as set by the caller or as read from the kernel. | |
void | libevdev_set_name (struct libevdev *dev, const char *name) |
Change the device's name as returned by libevdev_get_name(). | |
const char * | libevdev_get_phys (const struct libevdev *dev) |
Retrieve the device's physical location, either as set by the caller or as read from the kernel. | |
void | libevdev_set_phys (struct libevdev *dev, const char *phys) |
Change the device's physical location as returned by libevdev_get_phys(). | |
const char * | libevdev_get_uniq (const struct libevdev *dev) |
Retrieve the device's unique identifier, either as set by the caller or as read from the kernel. | |
void | libevdev_set_uniq (struct libevdev *dev, const char *uniq) |
Change the device's unique identifier as returned by libevdev_get_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_disable_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. | |
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. | |
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. | |
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. | |
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. | |
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. | |
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. | |
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. | |
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. | |
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. | |
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. | |
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. | |
int | libevdev_get_num_slots (const struct libevdev *dev) |
Get the number of slots supported by this device. | |
int | libevdev_get_current_slot (const struct libevdev *dev) |
Get the currently active slot. | |
void | libevdev_set_abs_minimum (struct libevdev *dev, unsigned int code, int val) |
Change the minimum for the given EV_ABS event code, if the code exists. | |
void | libevdev_set_abs_maximum (struct libevdev *dev, unsigned int code, int val) |
Change the maximum for the given EV_ABS event code, if the code exists. | |
void | libevdev_set_abs_fuzz (struct libevdev *dev, unsigned int code, int val) |
Change the fuzz for the given EV_ABS event code, if the code exists. | |
void | libevdev_set_abs_flat (struct libevdev *dev, unsigned int code, int val) |
Change the flat for the given EV_ABS event code, if the code exists. | |
void | libevdev_set_abs_resolution (struct libevdev *dev, unsigned int code, int val) |
Change the resolution for the given EV_ABS event code, if the code exists. | |
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. | |
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. | |
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. | |
int | libevdev_enable_event_code (struct libevdev *dev, unsigned int type, unsigned int code, const void *data) |
Forcibly enable an event code on this device, even if the underlying device does not support it. | |
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. | |
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. | |
int | libevdev_kernel_set_led_value (struct libevdev *dev, unsigned int code, enum libevdev_led_value value) |
Turn an LED on or off. | |
int | libevdev_kernel_set_led_values (struct libevdev *dev,...) |
Turn multiple LEDs on or off simultaneously. | |
int | libevdev_set_clock_id (struct libevdev *dev, int clockid) |
Set the clock ID to be used for timestamps. | |
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. | |
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. | |
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_event_value_get_name (unsigned int type, unsigned int code, int value) |
This function resolves the event value for a 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. | |
int | libevdev_event_type_from_name_n (const char *name, size_t len) |
Look up an event-type by its name. | |
int | libevdev_event_code_from_name (unsigned int type, const char *name) |
Look up an event code by its type and name. | |
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. | |
int | libevdev_event_value_from_name (unsigned int type, unsigned int code, const char *name) |
Look up an event value by its type, code and name. | |
int | libevdev_event_type_from_code_name (const char *name) |
Look up an event type for a event code name. | |
int | libevdev_event_type_from_code_name_n (const char *name, size_t len) |
Look up an event type for a event code name. | |
int | libevdev_event_code_from_code_name (const char *name) |
Look up an event code by its name. | |
int | libevdev_event_code_from_code_name_n (const char *name, size_t len) |
Look up an event code by its name. | |
int | libevdev_event_value_from_name_n (unsigned int type, unsigned int code, const char *name, size_t len) |
Look up an event value by its type, code and name. | |
int | libevdev_property_from_name (const char *name) |
Look up an input property by its name. | |
int | libevdev_property_from_name_n (const char *name, size_t len) |
Look up an input property by its name. | |
int | libevdev_get_repeat (const struct libevdev *dev, int *delay, int *period) |
Get the repeat delay and repeat period values for this device. | |
Macro Definition Documentation
◆ LIBEVDEV_ATTRIBUTE_PRINTF
#define LIBEVDEV_ATTRIBUTE_PRINTF | ( | _format, | |
_args | |||
) |
◆ LIBEVDEV_DEPRECATED
#define LIBEVDEV_DEPRECATED |