mirror of
https://gitlab.freedesktop.org/libinput/libinput.git
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0d87dd8121
The little wheel isn't a full wheel, it has a ~90 degree rotation angle with a range of 1024 values. To avoid confusion with "wheel" elsewhere in the API name it slider. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Stephen Chandler Paul <thatslyude@gmail.com>
385 lines
11 KiB
C
385 lines
11 KiB
C
/*
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* Copyright © 2013 Jonas Ådahl
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of the copyright holders not be used in
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* advertising or publicity pertaining to distribution of the software
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* without specific, written prior permission. The copyright holders make
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef LIBINPUT_PRIVATE_H
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#define LIBINPUT_PRIVATE_H
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#include <errno.h>
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#include "linux/input.h"
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#include "libinput.h"
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#include "libinput-util.h"
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#define LIBINPUT_TABLET_AXIS_MAX LIBINPUT_TABLET_AXIS_SLIDER
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struct libinput_source;
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struct libinput_interface_backend {
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int (*resume)(struct libinput *libinput);
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void (*suspend)(struct libinput *libinput);
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void (*destroy)(struct libinput *libinput);
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int (*device_change_seat)(struct libinput_device *device,
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const char *seat_name);
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};
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struct libinput {
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int epoll_fd;
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struct list source_destroy_list;
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struct list seat_list;
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struct {
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struct list list;
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struct libinput_source *source;
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int fd;
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} timer;
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struct libinput_event **events;
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size_t events_count;
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size_t events_len;
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size_t events_in;
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size_t events_out;
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struct list tool_list;
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const struct libinput_interface *interface;
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const struct libinput_interface_backend *interface_backend;
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libinput_log_handler log_handler;
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enum libinput_log_priority log_priority;
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void *user_data;
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int refcount;
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};
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typedef void (*libinput_seat_destroy_func) (struct libinput_seat *seat);
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struct libinput_seat {
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struct libinput *libinput;
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struct list link;
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struct list devices_list;
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void *user_data;
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int refcount;
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libinput_seat_destroy_func destroy;
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char *physical_name;
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char *logical_name;
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uint32_t slot_map;
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uint32_t button_count[KEY_CNT];
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};
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struct libinput_device_config_tap {
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int (*count)(struct libinput_device *device);
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enum libinput_config_status (*set_enabled)(struct libinput_device *device,
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enum libinput_config_tap_state enable);
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enum libinput_config_tap_state (*get_enabled)(struct libinput_device *device);
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enum libinput_config_tap_state (*get_default)(struct libinput_device *device);
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};
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struct libinput_device_config_calibration {
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int (*has_matrix)(struct libinput_device *device);
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enum libinput_config_status (*set_matrix)(struct libinput_device *device,
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const float matrix[6]);
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int (*get_matrix)(struct libinput_device *device,
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float matrix[6]);
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int (*get_default_matrix)(struct libinput_device *device,
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float matrix[6]);
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};
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struct libinput_device_config_send_events {
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uint32_t (*get_modes)(struct libinput_device *device);
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enum libinput_config_status (*set_mode)(struct libinput_device *device,
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enum libinput_config_send_events_mode mode);
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enum libinput_config_send_events_mode (*get_mode)(struct libinput_device *device);
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enum libinput_config_send_events_mode (*get_default_mode)(struct libinput_device *device);
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};
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struct libinput_device_config_accel {
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int (*available)(struct libinput_device *device);
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enum libinput_config_status (*set_speed)(struct libinput_device *device,
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double speed);
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double (*get_speed)(struct libinput_device *device);
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double (*get_default_speed)(struct libinput_device *device);
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};
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struct libinput_device_config_natural_scroll {
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int (*has)(struct libinput_device *device);
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enum libinput_config_status (*set_enabled)(struct libinput_device *device,
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int enabled);
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int (*get_enabled)(struct libinput_device *device);
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int (*get_default_enabled)(struct libinput_device *device);
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};
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struct libinput_device_config_left_handed {
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int (*has)(struct libinput_device *device);
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enum libinput_config_status (*set)(struct libinput_device *device, int left_handed);
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int (*get)(struct libinput_device *device);
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int (*get_default)(struct libinput_device *device);
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};
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struct libinput_device_config_scroll_method {
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uint32_t (*get_methods)(struct libinput_device *device);
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enum libinput_config_status (*set_method)(struct libinput_device *device,
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enum libinput_config_scroll_method method);
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enum libinput_config_scroll_method (*get_method)(struct libinput_device *device);
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enum libinput_config_scroll_method (*get_default_method)(struct libinput_device *device);
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enum libinput_config_status (*set_button)(struct libinput_device *device,
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uint32_t button);
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uint32_t (*get_button)(struct libinput_device *device);
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uint32_t (*get_default_button)(struct libinput_device *device);
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};
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struct libinput_device_config_click_method {
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uint32_t (*get_methods)(struct libinput_device *device);
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enum libinput_config_status (*set_method)(struct libinput_device *device,
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enum libinput_config_click_method method);
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enum libinput_config_click_method (*get_method)(struct libinput_device *device);
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enum libinput_config_click_method (*get_default_method)(struct libinput_device *device);
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};
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struct libinput_device_config {
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struct libinput_device_config_tap *tap;
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struct libinput_device_config_calibration *calibration;
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struct libinput_device_config_send_events *sendevents;
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struct libinput_device_config_accel *accel;
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struct libinput_device_config_natural_scroll *natural_scroll;
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struct libinput_device_config_left_handed *left_handed;
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struct libinput_device_config_scroll_method *scroll_method;
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struct libinput_device_config_click_method *click_method;
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};
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struct libinput_device_group {
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int refcount;
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void *user_data;
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char *identifier; /* unique identifier or NULL for singletons */
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};
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struct libinput_device {
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struct libinput_seat *seat;
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struct libinput_device_group *group;
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struct list link;
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struct list event_listeners;
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void *user_data;
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int refcount;
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struct libinput_device_config config;
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};
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struct libinput_tool {
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struct list link;
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uint32_t serial;
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uint32_t tool_id;
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enum libinput_tool_type type;
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unsigned char axis_caps[NCHARS(LIBINPUT_TABLET_AXIS_MAX + 1)];
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unsigned char buttons[NCHARS(KEY_MAX) + 1];
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int refcount;
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void *user_data;
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};
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struct libinput_event {
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enum libinput_event_type type;
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struct libinput_device *device;
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};
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struct libinput_event_listener {
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struct list link;
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void (*notify_func)(uint64_t time, struct libinput_event *ev, void *notify_func_data);
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void *notify_func_data;
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};
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typedef void (*libinput_source_dispatch_t)(void *data);
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#define log_debug(li_, ...) log_msg((li_), LIBINPUT_LOG_PRIORITY_DEBUG, __VA_ARGS__)
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#define log_info(li_, ...) log_msg((li_), LIBINPUT_LOG_PRIORITY_INFO, __VA_ARGS__)
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#define log_error(li_, ...) log_msg((li_), LIBINPUT_LOG_PRIORITY_ERROR, __VA_ARGS__)
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#define log_bug_kernel(li_, ...) log_msg((li_), LIBINPUT_LOG_PRIORITY_ERROR, "kernel bug: " __VA_ARGS__)
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#define log_bug_libinput(li_, ...) log_msg((li_), LIBINPUT_LOG_PRIORITY_ERROR, "libinput bug: " __VA_ARGS__)
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#define log_bug_client(li_, ...) log_msg((li_), LIBINPUT_LOG_PRIORITY_ERROR, "client bug: " __VA_ARGS__)
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void
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log_msg(struct libinput *libinput,
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enum libinput_log_priority priority,
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const char *format, ...);
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void
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log_msg_va(struct libinput *libinput,
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enum libinput_log_priority priority,
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const char *format,
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va_list args);
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int
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libinput_init(struct libinput *libinput,
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const struct libinput_interface *interface,
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const struct libinput_interface_backend *interface_backend,
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void *user_data);
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struct libinput_source *
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libinput_add_fd(struct libinput *libinput,
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int fd,
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libinput_source_dispatch_t dispatch,
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void *data);
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void
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libinput_remove_source(struct libinput *libinput,
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struct libinput_source *source);
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int
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open_restricted(struct libinput *libinput,
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const char *path, int flags);
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void
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close_restricted(struct libinput *libinput, int fd);
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void
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libinput_seat_init(struct libinput_seat *seat,
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struct libinput *libinput,
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const char *physical_name,
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const char *logical_name,
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libinput_seat_destroy_func destroy);
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void
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libinput_device_init(struct libinput_device *device,
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struct libinput_seat *seat);
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struct libinput_device_group *
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libinput_device_group_create(const char *identifier);
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void
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libinput_device_set_device_group(struct libinput_device *device,
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struct libinput_device_group *group);
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void
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libinput_device_add_event_listener(struct libinput_device *device,
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struct libinput_event_listener *listener,
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void (*notify_func)(
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uint64_t time,
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struct libinput_event *event,
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void *notify_func_data),
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void *notify_func_data);
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void
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libinput_device_remove_event_listener(struct libinput_event_listener *listener);
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void
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notify_added_device(struct libinput_device *device);
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void
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notify_removed_device(struct libinput_device *device);
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void
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keyboard_notify_key(struct libinput_device *device,
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uint64_t time,
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uint32_t key,
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enum libinput_key_state state);
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void
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pointer_notify_motion(struct libinput_device *device,
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uint64_t time,
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double dx,
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double dy,
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double dx_unaccel,
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double dy_unaccel);
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void
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pointer_notify_motion_absolute(struct libinput_device *device,
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uint64_t time,
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double x,
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double y);
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void
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pointer_notify_button(struct libinput_device *device,
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uint64_t time,
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int32_t button,
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enum libinput_button_state state);
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void
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pointer_notify_axis(struct libinput_device *device,
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uint64_t time,
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uint32_t axes,
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enum libinput_pointer_axis_source source,
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double x,
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double y,
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double x_discrete,
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double y_discrete);
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void
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touch_notify_touch_down(struct libinput_device *device,
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uint64_t time,
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int32_t slot,
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int32_t seat_slot,
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double x,
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double y);
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void
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touch_notify_touch_motion(struct libinput_device *device,
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uint64_t time,
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int32_t slot,
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int32_t seat_slot,
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double x,
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double y);
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void
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touch_notify_touch_up(struct libinput_device *device,
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uint64_t time,
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int32_t slot,
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int32_t seat_slot);
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void
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tablet_notify_axis(struct libinput_device *device,
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uint32_t time,
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struct libinput_tool *tool,
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unsigned char *changed_axes,
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double *axes);
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void
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tablet_notify_proximity(struct libinput_device *device,
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uint32_t time,
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struct libinput_tool *tool,
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enum libinput_tool_proximity_state state,
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unsigned char *changed_axes,
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double *axes);
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void
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tablet_notify_button(struct libinput_device *device,
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uint32_t time,
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struct libinput_tool *tool,
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double *axes,
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int32_t button,
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enum libinput_button_state state);
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void
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touch_notify_frame(struct libinput_device *device,
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uint64_t time);
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static inline uint64_t
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libinput_now(struct libinput *libinput)
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{
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struct timespec ts = { 0, 0 };
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if (clock_gettime(CLOCK_MONOTONIC, &ts) != 0) {
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log_error(libinput, "clock_gettime failed: %s\n", strerror(errno));
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return 0;
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}
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return ts.tv_sec * 1000ULL + ts.tv_nsec / 1000000;
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}
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#endif /* LIBINPUT_PRIVATE_H */
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