libinput  0.19.0
A wrapper library for input devices
libinput.h
Go to the documentation of this file.
1 /*
2  * Copyright © 2013 Jonas Ådahl
3  * Copyright © 2013-2015 Red Hat, Inc.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the next
13  * paragraph) shall be included in all copies or substantial portions of the
14  * Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22  * DEALINGS IN THE SOFTWARE.
23  */
24 
25 #ifndef LIBINPUT_H
26 #define LIBINPUT_H
27 
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31 
32 #include <stdlib.h>
33 #include <stdint.h>
34 #include <libudev.h>
35 
36 #define LIBINPUT_ATTRIBUTE_PRINTF(_format, _args) \
37  __attribute__ ((format (printf, _format, _args)))
38 #define LIBINPUT_ATTRIBUTE_DEPRECATED __attribute__ ((deprecated))
39 
49 };
50 
61 };
62 
72 };
73 
83 };
84 
94 };
95 
111 };
112 
133 };
134 
147 
157 
163 
165 
170 
180 };
181 
189 struct libinput;
190 
199 
209 
218 
230 
238 
246 
255 
266 struct libinput_event_touch;
267 
284 void
286 
296 
305 struct libinput *
307 
321 struct libinput_device *
323 
334 struct libinput_event_pointer *
336 
349 
360 struct libinput_event_touch *
362 
376 
382 struct libinput_event *
384 
397 uint32_t
399 
405 uint32_t
407 
415 
421 struct libinput_event *
423 
436 uint32_t
438  struct libinput_event_keyboard *event);
439 
452 uint32_t
454 
473 double
475 
494 double
496 
515 double
517  struct libinput_event_pointer *event);
518 
537 double
539  struct libinput_event_pointer *event);
540 
556 double
558 
574 double
576 
594 double
596  struct libinput_event_pointer *event,
597  uint32_t width);
598 
616 double
618  struct libinput_event_pointer *event,
619  uint32_t height);
620 
633 uint32_t
635 
650 
664 uint32_t
666  struct libinput_event_pointer *event);
667 
685 int
687  enum libinput_pointer_axis axis);
688 
713 double
715  enum libinput_pointer_axis axis);
716 
754 
771 double
773  enum libinput_pointer_axis axis);
774 
780 struct libinput_event *
782 
794 uint32_t
796 
816 int32_t
818 
838 int32_t
840 
857 double
859 
876 double
878 
895 double
897  uint32_t width);
898 
915 double
917  uint32_t height);
918 
924 struct libinput_event *
926 
954  int (*open_restricted)(const char *path, int flags, void *user_data);
962  void (*close_restricted)(int fd, void *user_data);
963 };
964 
978 struct libinput *
979 libinput_udev_create_context(const struct libinput_interface *interface,
980  void *user_data,
981  struct udev *udev);
982 
1004 int
1006  const char *seat_id);
1007 
1027 struct libinput *
1028 libinput_path_create_context(const struct libinput_interface *interface,
1029  void *user_data);
1030 
1051 struct libinput_device *
1053  const char *path);
1054 
1073 void
1075 
1084 int
1086 
1104 int
1106 
1118 struct libinput_event *
1120 
1134 
1146 void
1148  void *user_data);
1149 
1159 void *
1161 
1173 int
1175 
1185 void
1187 
1197 struct libinput *
1198 libinput_ref(struct libinput *libinput);
1199 
1210 struct libinput *
1212 
1228 void
1230  enum libinput_log_priority priority);
1231 
1248 
1263 typedef void (*libinput_log_handler)(struct libinput *libinput,
1264  enum libinput_log_priority priority,
1265  const char *format, va_list args)
1267 
1283 void
1284 libinput_log_set_handler(struct libinput *libinput,
1285  libinput_log_handler log_handler);
1286 
1307 struct libinput_seat *
1308 libinput_seat_ref(struct libinput_seat *seat);
1309 
1321 struct libinput_seat *
1322 libinput_seat_unref(struct libinput_seat *seat);
1323 
1335 void
1336 libinput_seat_set_user_data(struct libinput_seat *seat, void *user_data);
1337 
1347 void *
1349 
1358 struct libinput *
1360 
1377 const char *
1379 
1389 const char *
1391 
1407 struct libinput_device *
1408 libinput_device_ref(struct libinput_device *device);
1409 
1421 struct libinput_device *
1422 libinput_device_unref(struct libinput_device *device);
1423 
1435 void
1436 libinput_device_set_user_data(struct libinput_device *device, void *user_data);
1437 
1447 void *
1449 
1458 struct libinput *
1460 
1521 struct libinput_device_group *
1523 
1535 const char *
1537 
1551 const char *
1553 
1562 unsigned int
1564 
1573 unsigned int
1575 
1587 const char *
1589 
1604 struct libinput_seat *
1606 
1632 int
1634  const char *name);
1635 
1655 struct udev_device *
1657 
1668 void
1670  enum libinput_led leds);
1671 
1679 int
1681  enum libinput_device_capability capability);
1682 
1697 int
1699  double *width,
1700  double *height);
1701 
1714 int
1715 libinput_device_pointer_has_button(struct libinput_device *device, uint32_t code);
1716 
1729 int
1731  uint32_t code);
1732 
1745 struct libinput_device_group *
1747 
1761 struct libinput_device_group *
1763 
1775 void
1777  void *user_data);
1778 
1789 void *
1791 
1816 };
1817 
1827 const char *
1829 
1838 };
1839 
1855 int
1857 
1880  enum libinput_config_tap_state enable);
1881 
1900 
1917 
1926 };
1927 
1952  enum libinput_config_drag_lock_state enable);
1953 
1973 
1996 
2009 int
2011 
2063  const float matrix[6]);
2064 
2081 int
2083  float matrix[6]);
2084 
2104 int
2106  float matrix[6]);
2107 
2139 };
2140 
2155 uint32_t
2157 
2188  uint32_t mode);
2189 
2209 uint32_t
2211 
2225 uint32_t
2227 
2237 int
2239 
2258  double speed);
2259 
2271 double
2273 
2284 double
2286 
2316 int
2318 
2335  int enable);
2349 int
2351 
2365 int
2367 
2381 int
2383 
2409  int left_handed);
2410 
2424 int
2426 
2440 int
2442 
2465 };
2466 
2482 uint32_t
2484 
2507  enum libinput_config_click_method method);
2525 
2543 
2558 };
2559 
2580 int
2582  struct libinput_device *device);
2583 
2616  struct libinput_device *device,
2618 
2641  struct libinput_device *device);
2642 
2666  struct libinput_device *device);
2667 
2695 };
2696 
2714 uint32_t
2716 
2743  enum libinput_config_scroll_method method);
2744 
2763 
2782 
2820  uint32_t button);
2821 
2846 uint32_t
2848 
2869 uint32_t
2871 
2872 #ifdef __cplusplus
2873 }
2874 #endif
2875 #endif /* LIBINPUT_H */
const char * libinput_seat_get_physical_name(struct libinput_seat *seat)
Return the physical name of the seat.
Middle mouse button emulation is to be disabled, or is currently disabled.
Definition: libinput.h:2552
A base handle for accessing libinput devices.
Definition: libinput.h:189
Never send scroll events instead of pointer motion events.
Definition: libinput.h:2679
unsigned int libinput_device_get_id_product(struct libinput_device *device)
Get the product ID for this device.
Definition: libinput.h:60
uint32_t libinput_event_pointer_get_button(struct libinput_event_pointer *event)
Return the button that triggered this event.
Definition: libinput.h:173
int libinput_dispatch(struct libinput *libinput)
Main event dispatchment function.
struct libinput * libinput_ref(struct libinput *libinput)
Add a reference to the context.
libinput does not open file descriptors to devices directly, instead open_restricted() and close_rest...
Definition: libinput.h:942
Definition: libinput.h:46
The number of fingers decides which button press to generate.
Definition: libinput.h:2464
Definition: libinput.h:169
Definition: libinput.h:93
libinput_led
Mask reflecting LEDs on a device.
Definition: libinput.h:79
libinput_pointer_axis_source
The source for a libinput_pointer_axis event.
Definition: libinput.h:119
Touch event representing a touch down, move or up, as well as a touch cancel and touch frame events...
Definition: libinput.h:254
Definition: libinput.h:171
int32_t libinput_event_touch_get_slot(struct libinput_event_touch *event)
Get the slot of this touch event.
void * libinput_device_get_user_data(struct libinput_device *device)
Get the caller-specific data associated with this input device, if any.
struct libinput_seat * libinput_seat_ref(struct libinput_seat *seat)
Increase the refcount of the seat.
Definition: libinput.h:110
Signals the end of a set of touchpoints at one device sample time.
Definition: libinput.h:179
Config applied successfully.
Definition: libinput.h:1812
uint32_t libinput_device_config_scroll_get_button(struct libinput_device *device)
Get the button for the LIBINPUT_CONFIG_SCROLL_ON_BUTTON_DOWN method for this device.
const char * libinput_device_get_name(struct libinput_device *device)
The descriptive device name as advertised by the kernel and/or the hardware itself.
enum libinput_config_status libinput_device_config_calibration_set_matrix(struct libinput_device *device, const float matrix[6])
Apply the 3x3 transformation matrix to absolute device coordinates.
Definition: libinput.h:82
Use software-button areas (see Clickfinger behavior) to generate button events.
Definition: libinput.h:2460
uint32_t libinput_event_keyboard_get_seat_key_count(struct libinput_event_keyboard *event)
For the key of a LIBINPUT_EVENT_KEYBOARD_KEY event, return the total number of keys pressed on all de...
void * libinput_seat_get_user_data(struct libinput_seat *seat)
Get the caller-specific data associated with this seat, if any.
The event is caused by the movement of one or more fingers on a device.
Definition: libinput.h:128
Tapping is to be enabled, or is currently enabled.
Definition: libinput.h:1836
struct libinput_event * libinput_event_device_notify_get_base_event(struct libinput_event_device_notify *event)
enum libinput_config_middle_emulation_state libinput_device_config_middle_emulation_get_enabled(struct libinput_device *device)
Check if configurable middle button emulation is enabled on this device.
Do not send software-emulated button events.
Definition: libinput.h:2455
Definition: libinput.h:164
uint32_t libinput_device_config_scroll_get_default_button(struct libinput_device *device)
Get the default button for the LIBINPUT_CONFIG_SCROLL_ON_BUTTON_DOWN method for this device...
void(* libinput_log_handler)(struct libinput *libinput, enum libinput_log_priority priority, const char *format, va_list args) LIBINPUT_ATTRIBUTE_PRINTF(3
Log handler type for custom logging.
Definition: libinput.h:1263
double libinput_event_pointer_get_axis_value(struct libinput_event_pointer *event, enum libinput_pointer_axis axis)
Return the axis value of the given axis.
Signals that a device has been added to the context.
Definition: libinput.h:156
Send events from this device normally.
Definition: libinput.h:2118
Configuration not available on this device.
Definition: libinput.h:1813
void(* close_restricted)(int fd, void *user_data)
Close the file descriptor.
Definition: libinput.h:962
Definition: libinput.h:166
double libinput_event_pointer_get_dy(struct libinput_event_pointer *event)
Return the delta between the last event and the current event.
enum libinput_config_click_method libinput_device_config_click_get_default_method(struct libinput_device *device)
Get the default button click method for this device.
void libinput_path_remove_device(struct libinput_device *device)
Remove a device from a libinput context initialized with libinput_path_create_context() or added to s...
Signals that a device has been removed.
Definition: libinput.h:162
int libinput_device_config_calibration_get_default_matrix(struct libinput_device *device, float matrix[6])
Return the default calibration matrix for this device.
void libinput_log_set_priority(struct libinput *libinput, enum libinput_log_priority priority)
Set the log priority for the libinput context.
int libinput_device_config_scroll_get_natural_scroll_enabled(struct libinput_device *device)
Get the current mode for scrolling on this device.
enum libinput_config_status libinput_device_config_scroll_set_method(struct libinput_device *device, enum libinput_config_scroll_method method)
Set the scroll method for this device.
Definition: libinput.h:47
int libinput_device_set_seat_logical_name(struct libinput_device *device, const char *name)
Change the logical seat associated with this device by removing the device and adding it to the new s...
libinput_button_state
Logical state of a physical button.
Definition: libinput.h:91
const char * libinput_config_status_to_str(enum libinput_config_status status)
Return a string describing the error.
enum libinput_config_tap_state libinput_device_config_tap_get_enabled(struct libinput_device *device)
Check if tap-to-click is enabled on this device.
struct libinput_device * libinput_device_ref(struct libinput_device *device)
Increase the refcount of the input device.
Send scroll events when two fingers are logically down on the device.
Definition: libinput.h:2684
uint32_t libinput_event_touch_get_time(struct libinput_event_touch *event)
A pointer event representing relative or absolute pointer movement, a button press/release or scroll ...
Definition: libinput.h:245
double libinput_device_config_accel_get_speed(struct libinput_device *device)
Get the current pointer acceleration setting for this pointer device.
double libinput_event_touch_get_x(struct libinput_event_touch *event)
Return the current absolute x coordinate of the touch event, in mm from the top left corner of the de...
uint32_t libinput_event_pointer_get_seat_button_count(struct libinput_event_pointer *event)
For the button of a LIBINPUT_EVENT_POINTER_BUTTON event, return the total number of buttons pressed o...
int libinput_device_config_calibration_get_matrix(struct libinput_device *device, float matrix[6])
Return the current calibration matrix for this device.
enum libinput_config_status libinput_device_config_scroll_set_button(struct libinput_device *device, uint32_t button)
Set the button for the LIBINPUT_CONFIG_SCROLL_ON_BUTTON_DOWN method for this device.
Definition: libinput.h:168
enum libinput_config_middle_emulation_state libinput_device_config_middle_emulation_get_default_enabled(struct libinput_device *device)
Check if configurable middle button emulation is enabled by default on this device.
enum libinput_key_state libinput_event_keyboard_get_key_state(struct libinput_event_keyboard *event)
int libinput_device_config_left_handed_is_available(struct libinput_device *device)
Check if a device has a configuration that supports left-handed usage.
double libinput_event_pointer_get_dx(struct libinput_event_pointer *event)
Return the delta between the last event and the current event.
double libinput_event_pointer_get_absolute_y_transformed(struct libinput_event_pointer *event, uint32_t height)
Return the current absolute y coordinate of the pointer event, transformed to screen coordinates...
double libinput_event_pointer_get_absolute_x(struct libinput_event_pointer *event)
Return the current absolute x coordinate of the pointer event, in mm from the top left corner of the ...
struct libinput_event_device_notify * libinput_event_get_device_notify_event(struct libinput_event *event)
Return the device event that is this input event.
libinput_pointer_axis
Axes on a device with the capability LIBINPUT_DEVICE_CAP_POINTER that are not x or y coordinates...
Definition: libinput.h:108
void libinput_device_group_set_user_data(struct libinput_device_group *group, void *user_data)
Set caller-specific data associated with this device group.
int libinput_device_config_calibration_has_matrix(struct libinput_device *device)
Check if the device can be calibrated via a calibration matrix.
libinput_config_tap_state
Definition: libinput.h:1833
Definition: libinput.h:58
void libinput_set_user_data(struct libinput *libinput, void *user_data)
Set caller-specific data associated with this context.
Middle mouse button emulation is to be enabled, or is currently enabled.
Definition: libinput.h:2557
double libinput_event_pointer_get_axis_value_discrete(struct libinput_event_pointer *event, enum libinput_pointer_axis axis)
Return the axis value in discrete steps for a given axis event.
uint32_t libinput_device_config_send_events_get_default_mode(struct libinput_device *device)
Get the default send-event mode for this device.
enum libinput_pointer_axis_source libinput_event_pointer_get_axis_source(struct libinput_event_pointer *event)
Return the source for a given axis event.
int libinput_event_pointer_has_axis(struct libinput_event_pointer *event, enum libinput_pointer_axis axis)
Check if the event has a valid value for the given axis.
enum libinput_config_status libinput_device_config_tap_set_enabled(struct libinput_device *device, enum libinput_config_tap_state enable)
Enable or disable tap-to-click on this device, with a default mapping of 1, 2, 3 finger tap mapping t...
Definition: libinput.h:70
libinput_device_capability
Capabilities on a device.
Definition: libinput.h:57
The event is caused by the rotation of a wheel.
Definition: libinput.h:123
Definition: libinput.h:172
libinput_config_status
Status codes returned when applying configuration settings.
Definition: libinput.h:1811
Definition: libinput.h:71
double libinput_event_touch_get_y(struct libinput_event_touch *event)
Return the current absolute y coordinate of the touch event, in mm from the top left corner of the de...
int libinput_device_config_middle_emulation_is_available(struct libinput_device *device)
Check if middle mouse button emulation configuration is available on this device. ...
enum libinput_config_scroll_method libinput_device_config_scroll_get_method(struct libinput_device *device)
Get the scroll method for this device.
int32_t libinput_event_touch_get_seat_slot(struct libinput_event_touch *event)
Get the seat slot of the touch event.
Definition: libinput.h:48
double libinput_event_pointer_get_absolute_y(struct libinput_event_pointer *event)
Return the current absolute y coordinate of the pointer event, in mm from the top left corner of the ...
uint32_t libinput_device_config_send_events_get_mode(struct libinput_device *device)
Get the send-event mode for this device.
void libinput_device_led_update(struct libinput_device *device, enum libinput_led leds)
Update the LEDs on the device, if any.
enum libinput_config_status libinput_device_config_click_set_method(struct libinput_device *device, enum libinput_config_click_method method)
Set the button click method for this device.
struct libinput_device * libinput_path_add_device(struct libinput *libinput, const char *path)
Add a device to a libinput context initialized with libinput_path_create_context().
double libinput_event_touch_get_x_transformed(struct libinput_event_touch *event, uint32_t width)
Return the current absolute x coordinate of the touch event, transformed to screen coordinates...
struct libinput * libinput_event_get_context(struct libinput_event *event)
Get the libinput context from the event.
Drag lock is to be enabled, or is currently disabled.
Definition: libinput.h:1925
enum libinput_config_drag_lock_state libinput_device_config_tap_get_default_drag_lock_enabled(struct libinput_device *device)
Check if drag-lock during tapping is enabled by default on this device.
enum libinput_config_click_method libinput_device_config_click_get_method(struct libinput_device *device)
Get the button click method for this device.
Definition: libinput.h:174
The base event type.
Definition: libinput.h:217
#define LIBINPUT_ATTRIBUTE_PRINTF(_format, _args)
Definition: libinput.h:36
libinput_config_click_method
The click method defines when to generate software-emulated buttons, usually on a device that does no...
Definition: libinput.h:2450
enum libinput_config_status libinput_device_config_accel_set_speed(struct libinput_device *device, double speed)
Set the pointer acceleration speed of this pointer device within a range of [-1, 1], where 0 is the default acceleration for this device, -1 is the slowest acceleration and 1 is the maximum acceleration available on this device.
A base handle for accessing libinput device groups.
Definition: libinput.h:198
int libinput_device_config_left_handed_get_default(struct libinput_device *device)
Get the default left-handed configuration of the device.
struct libinput * libinput_path_create_context(const struct libinput_interface *interface, void *user_data)
Create a new libinput context that requires the caller to manually add or remove devices with libinpu...
If an external pointer device is plugged in, do not send events from this device. ...
Definition: libinput.h:2138
struct libinput_seat * libinput_seat_unref(struct libinput_seat *seat)
Decrease the refcount of the seat.
int libinput_device_config_tap_get_finger_count(struct libinput_device *device)
Check if the device supports tap-to-click and how many fingers can be used for tapping.
struct libinput * libinput_device_get_context(struct libinput_device *device)
Get the libinput context from the device.
Invalid parameter range.
Definition: libinput.h:1815
unsigned int libinput_device_get_id_vendor(struct libinput_device *device)
Get the vendor ID for this device.
enum libinput_event_type libinput_event_get_type(struct libinput_event *event)
Get the type of the event.
struct libinput_device_group * libinput_device_group_ref(struct libinput_device_group *group)
Increase the refcount of the device group.
A handle for accessing libinput.
struct libinput_device * libinput_event_get_device(struct libinput_event *event)
Return the device associated with this event.
void * libinput_get_user_data(struct libinput *libinput)
Get the caller-specific data associated with this context, if any.
Drag lock is to be disabled, or is currently disabled.
Definition: libinput.h:1923
Definition: libinput.h:59
void libinput_event_destroy(struct libinput_event *event)
Destroy the event, freeing all associated resources.
Definition: libinput.h:167
enum libinput_config_status libinput_device_config_middle_emulation_set_enabled(struct libinput_device *device, enum libinput_config_middle_emulation_state enable)
Enable or disable middle button emulation on this device.
void libinput_suspend(struct libinput *libinput)
Suspend monitoring for new devices and close existing devices.
enum libinput_config_scroll_method libinput_device_config_scroll_get_default_method(struct libinput_device *device)
Get the default scroll method for this device.
int libinput_device_config_scroll_has_natural_scroll(struct libinput_device *device)
Return non-zero if the device supports "natural scrolling".
Definition: libinput.h:80
enum libinput_config_status libinput_device_config_tap_set_drag_lock_enabled(struct libinput_device *device, enum libinput_config_drag_lock_state enable)
Enable or disable drag-lock during tapping on this device.
uint32_t libinput_event_keyboard_get_key(struct libinput_event_keyboard *event)
Send scroll events when a button is down and the device moves along a scroll-capable axis...
Definition: libinput.h:2694
libinput_config_scroll_method
The scroll method of a device selects when to generate scroll axis events instead of pointer motion e...
Definition: libinput.h:2674
Send scroll events when a finger moves along the bottom or right edge of a device.
Definition: libinput.h:2689
Tapping is to be disabled, or is currently disabled.
Definition: libinput.h:1834
libinput_config_send_events_mode
The send-event mode of a device defines when a device may generate events and pass those events to th...
Definition: libinput.h:2112
Definition: libinput.h:92
int libinput_get_fd(struct libinput *libinput)
libinput keeps a single file descriptor for all events.
enum libinput_config_drag_lock_state libinput_device_config_tap_get_drag_lock_enabled(struct libinput_device *device)
Check if drag-lock during tapping is enabled on this device.
int libinput_resume(struct libinput *libinput)
Resume a suspended libinput context.
The base handle for accessing libinput seats.
Definition: libinput.h:208
struct libinput * libinput_udev_create_context(const struct libinput_interface *interface, void *user_data, struct udev *udev)
Create a new libinput context from udev.
libinput_event_type
Event type for events returned by libinput_get_event().
Definition: libinput.h:140
uint32_t libinput_device_config_click_get_methods(struct libinput_device *device)
Check which button click methods a device supports.
struct libinput_event * libinput_get_event(struct libinput *libinput)
Retrieve the next event from libinput's internal event queue.
enum libinput_event_type libinput_next_event_type(struct libinput *libinput)
Return the type of the next event in the internal queue.
int libinput_device_has_capability(struct libinput_device *device, enum libinput_device_capability capability)
Check if the given device has the specified capability.
The event is caused by the motion of some device.
Definition: libinput.h:132
double libinput_event_pointer_get_absolute_x_transformed(struct libinput_event_pointer *event, uint32_t width)
Return the current absolute x coordinate of the pointer event, transformed to screen coordinates...
uint32_t libinput_event_keyboard_get_time(struct libinput_event_keyboard *event)
struct libinput_event_keyboard * libinput_event_get_keyboard_event(struct libinput_event *event)
Return the keyboard event that is this input event.
Definition: libinput.h:81
int libinput_device_config_accel_is_available(struct libinput_device *device)
Check if a device uses libinput-internal pointer-acceleration.
double libinput_event_pointer_get_dx_unaccelerated(struct libinput_event_pointer *event)
Return the relative delta of the unaccelerated motion vector of the current event.
libinput_config_middle_emulation_state
Definition: libinput.h:2547
struct libinput_seat * libinput_device_get_seat(struct libinput_device *device)
Get the seat associated with this input device, see Seats for details.
enum libinput_button_state libinput_event_pointer_get_button_state(struct libinput_event_pointer *event)
Return the button state that triggered this event.
Definition: libinput.h:109
Do not send events through this device.
Definition: libinput.h:2132
struct udev_device * libinput_device_get_udev_device(struct libinput_device *device)
Return a udev handle to the device that is this libinput device, if any.
enum libinput_config_status libinput_device_config_scroll_set_natural_scroll_enabled(struct libinput_device *device, int enable)
Enable or disable natural scrolling on the device.
enum libinput_config_status libinput_device_config_left_handed_set(struct libinput_device *device, int left_handed)
Set the left-handed configuration of the device.
struct libinput * libinput_unref(struct libinput *libinput)
Dereference the libinput context.
void(*) voi libinput_log_set_handler)(struct libinput *libinput, libinput_log_handler log_handler)
Set the context's log handler.
Definition: libinput.h:1284
enum libinput_log_priority libinput_log_get_priority(const struct libinput *libinput)
Get the context's log priority.
const char * libinput_device_get_sysname(struct libinput_device *device)
Get the system name of the device.
struct libinput_device * libinput_device_unref(struct libinput_device *device)
Decrease the refcount of the input device.
libinput_config_drag_lock_state
Definition: libinput.h:1921
int libinput_device_config_scroll_get_default_natural_scroll_enabled(struct libinput_device *device)
Get the default mode for scrolling on this device.
int libinput_device_get_size(struct libinput_device *device, double *width, double *height)
Get the physical size of a device in mm, where meaningful.
void libinput_seat_set_user_data(struct libinput_seat *seat, void *user_data)
Set caller-specific data associated with this seat.
const char * libinput_seat_get_logical_name(struct libinput_seat *seat)
Return the logical name of the seat.
libinput_log_priority
Log priority for internal logging messages.
Definition: libinput.h:45
int libinput_device_keyboard_has_key(struct libinput_device *device, uint32_t code)
Check if a LIBINPUT_DEVICE_CAP_KEYBOARD device has a key with the given code (see linux/input...
int libinput_udev_assign_seat(struct libinput *libinput, const char *seat_id)
Assign a seat to this libinput context.
double libinput_event_touch_get_y_transformed(struct libinput_event_touch *event, uint32_t height)
Return the current absolute y coordinate of the touch event, transformed to screen coordinates...
int(* open_restricted)(const char *path, int flags, void *user_data)
Open the device at the given path with the flags provided and return the fd.
Definition: libinput.h:954
enum libinput_config_tap_state libinput_device_config_tap_get_default_enabled(struct libinput_device *device)
Return the default setting for whether tap-to-click is enabled on this device.
An event notifying the caller of a device being added or removed.
Definition: libinput.h:229
struct libinput_device_group * libinput_device_group_unref(struct libinput_device_group *group)
Decrease the refcount of the device group.
uint32_t libinput_device_config_scroll_get_methods(struct libinput_device *device)
Check which scroll methods a device supports.
struct libinput_event * libinput_event_keyboard_get_base_event(struct libinput_event_keyboard *event)
const char * libinput_device_get_output_name(struct libinput_device *device)
A device may be mapped to a single output, or all available outputs.
uint32_t libinput_event_pointer_get_time(struct libinput_event_pointer *event)
struct libinput_event * libinput_event_touch_get_base_event(struct libinput_event_touch *event)
double libinput_device_config_accel_get_default_speed(struct libinput_device *device)
Return the default speed setting for this device, normalized to a range of [-1, 1].
double libinput_event_pointer_get_dy_unaccelerated(struct libinput_event_pointer *event)
Return the relative delta of the unaccelerated motion vector of the current event.
enum libinput_config_status libinput_device_config_send_events_set_mode(struct libinput_device *device, uint32_t mode)
Set the send-event mode for this device.
libinput_key_state
Logical state of a key.
Definition: libinput.h:69
This is not a real event type, and is only used to tell the user that no new event is available in th...
Definition: libinput.h:146
void libinput_device_set_user_data(struct libinput_device *device, void *user_data)
Set caller-specific data associated with this input device.
int libinput_device_pointer_has_button(struct libinput_device *device, uint32_t code)
Check if a LIBINPUT_DEVICE_CAP_POINTER device has a button with the given code (see linux/input...
int libinput_device_config_left_handed_get(struct libinput_device *device)
Get the current left-handed configuration of the device.
A keyboard event representing a key press/release.
Definition: libinput.h:237
struct libinput * libinput_seat_get_context(struct libinput_seat *seat)
Get the libinput context from the seat.
struct libinput_event * libinput_event_pointer_get_base_event(struct libinput_event_pointer *event)
struct libinput_event_pointer * libinput_event_get_pointer_event(struct libinput_event *event)
Return the pointer event that is this input event.
struct libinput_device_group * libinput_device_get_device_group(struct libinput_device *device)
Get the device group this device is assigned to.
uint32_t libinput_device_config_send_events_get_modes(struct libinput_device *device)
Return the possible send-event modes for this device.
void * libinput_device_group_get_user_data(struct libinput_device_group *group)
Get the caller-specific data associated with this input device group, if any.
struct libinput_event_touch * libinput_event_get_touch_event(struct libinput_event *event)
Return the touch event that is this input event.