mirror of
https://gitlab.freedesktop.org/libinput/libei.git
synced 2026-01-06 11:50:12 +01:00
69e973e6b3
If our write buffer is full, enqueue the events instead and try to flush them out later when we can write again. Fixes #46
266 lines
7.1 KiB
C
266 lines
7.1 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2020 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include <stdarg.h>
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#include <inttypes.h>
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#include "util-macros.h"
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#include "util-object.h"
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#include "libei.h"
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#include "brei-shared.h"
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#include "util-list.h"
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#include "util-sources.h"
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#include "util-structs.h"
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#include "libei-button.h"
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#include "libei-callback.h"
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#include "libei-connection.h"
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#include "libei-device.h"
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#include "libei-event.h"
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#include "libei-handshake.h"
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#include "libei-keyboard.h"
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#include "libei-pingpong.h"
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#include "libei-pointer-absolute.h"
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#include "libei-pointer.h"
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#include "libei-region.h"
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#include "libei-scroll.h"
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#include "libei-seat.h"
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#include "libei-touchscreen.h"
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struct ei_backend_interface {
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void (*destroy)(struct ei *ei, void *backend);
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};
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enum ei_state {
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EI_STATE_NEW, /* No backend yet */
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EI_STATE_BACKEND, /* We have a backend */
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EI_STATE_CONNECTING, /* client requested connect */
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EI_STATE_CONNECTED, /* server has sent connect */
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EI_STATE_DISCONNECTING, /* in the process of cleaning up */
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EI_STATE_DISCONNECTED,
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};
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struct ei_interface_versions {
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uint32_t ei_connection;
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uint32_t ei_handshake;
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uint32_t ei_callback;
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uint32_t ei_pingpong;
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uint32_t ei_seat;
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uint32_t ei_device;
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uint32_t ei_pointer;
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uint32_t ei_pointer_absolute;
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uint32_t ei_scroll;
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uint32_t ei_button;
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uint32_t ei_keyboard;
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uint32_t ei_touchscreen;
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};
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struct ei_unsent {
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struct list node;
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struct iobuf *buf;
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};
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struct ei {
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struct object object;
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struct ei_connection *connection;
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struct ei_handshake *handshake;
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struct ei_interface_versions interface_versions;
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struct list proto_objects; /* brei_object list */
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object_id_t next_object_id;
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uint32_t serial;
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void *user_data;
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struct brei_context *brei;
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struct sink *sink;
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struct source *source;
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struct list unsent_queue;
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struct ei_backend_interface backend_interface;
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void *backend;
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enum ei_state state;
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struct list event_queue;
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struct list seats;
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char *name;
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struct {
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ei_log_handler handler;
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enum ei_log_priority priority;
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} log;
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bool is_sender;
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};
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const struct ei_connection_interface *
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ei_get_interface(struct ei *ei);
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int
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ei_set_socket(struct ei *ei, int fd);
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void
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ei_disconnect(struct ei *ei);
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struct ei *
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ei_get_context(struct ei *ei);
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struct ei_connection *
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ei_get_connection(struct ei *ei);
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object_id_t
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ei_get_new_id(struct ei *ei);
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void
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ei_update_serial(struct ei *ei, uint32_t serial);
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uint32_t
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ei_get_serial(struct ei *ei);
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void
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ei_register_object(struct ei *ei, struct brei_object *object);
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void
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ei_unregister_object(struct ei *ei, struct brei_object *object);
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int
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ei_send_message(struct ei *ei, const struct brei_object *object,
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uint32_t opcode, const char *signature, size_t nargs, ...);
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int
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ei_unsent_flush(struct ei* ei);
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void
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ei_connected(struct ei *ei);
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void
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ei_queue_connect_event(struct ei *ei);
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void
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ei_queue_disconnect_event(struct ei *ei);
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void
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ei_queue_device_removed_event(struct ei_device *device);
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void
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ei_queue_device_added_event(struct ei_device *device);
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void
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ei_queue_device_resumed_event(struct ei_device *device);
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void
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ei_queue_device_paused_event(struct ei_device *device);
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void
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ei_queue_seat_added_event(struct ei_seat *seat);
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void
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ei_queue_seat_removed_event(struct ei_seat *seat);
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void
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ei_queue_device_start_emulating_event(struct ei_device *device, uint32_t sequence);
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void
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ei_queue_device_stop_emulating_event(struct ei_device *device);
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void
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ei_queue_frame_event(struct ei_device *device, uint64_t time);
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void
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ei_queue_pointer_rel_event(struct ei_device *device, double x, double y);
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void
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ei_queue_pointer_abs_event(struct ei_device *device, double x, double y);
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void
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ei_queue_pointer_button_event(struct ei_device *device, uint32_t button, bool is_press);
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void
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ei_queue_keyboard_key_event(struct ei_device *device, uint32_t key, bool is_press);
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void
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ei_queue_keyboard_modifiers_event(struct ei_device *device,
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const struct ei_xkb_modifiers *mods);
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void
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ei_queue_pointer_scroll_event(struct ei_device *device, double x, double y);
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void
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ei_queue_pointer_scroll_discrete_event(struct ei_device *device, int32_t x, int32_t y);
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void
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ei_queue_pointer_scroll_stop_event(struct ei_device *device, bool x, bool y);
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void
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ei_queue_pointer_scroll_cancel_event(struct ei_device *device, bool x, bool y);
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void
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ei_queue_touch_down_event(struct ei_device *device, uint32_t touchid,
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double x, double y);
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void
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ei_queue_touch_motion_event(struct ei_device *device, uint32_t touchid,
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double x, double y);
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void
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ei_queue_touch_up_event(struct ei_device *device, uint32_t touchid);
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_printf_(6, 7) void
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ei_log_msg(struct ei *ei,
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enum ei_log_priority priority,
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const char *file, int lineno, const char *func,
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const char *format, ...);
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_printf_(6, 0) void
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ei_log_msg_va(struct ei *ei,
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enum ei_log_priority priority,
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const char *file, int lineno, const char *func,
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const char *format,
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va_list args);
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#define log_debug(T_, ...) \
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ei_log_msg((T_), EI_LOG_PRIORITY_DEBUG, __FILE__, __LINE__, __func__, __VA_ARGS__)
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#define log_info(T_, ...) \
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ei_log_msg((T_), EI_LOG_PRIORITY_INFO, __FILE__, __LINE__, __func__, __VA_ARGS__)
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#define log_warn(T_, ...) \
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ei_log_msg((T_), EI_LOG_PRIORITY_WARNING, __FILE__, __LINE__, __func__, __VA_ARGS__)
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#define log_error(T_, ...) \
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ei_log_msg((T_), EI_LOG_PRIORITY_ERROR, __FILE__, __LINE__, __func__, __VA_ARGS__)
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#define log_bug(T_, ...) \
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ei_log_msg((T_), EI_LOG_PRIORITY_ERROR, __FILE__, __LINE__, __func__, "🪳 libei bug: " __VA_ARGS__)
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#define log_bug_client(T_, ...) \
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ei_log_msg((T_), EI_LOG_PRIORITY_ERROR, __FILE__, __LINE__, __func__, "🪲 Bug: " __VA_ARGS__)
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#define DISCONNECT_IF_INVALID_VERSION(ei_, intf_, id_, version_) do { \
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struct ei *_ei = (ei_); \
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uint32_t _version = (version_); \
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uint64_t _id = (id_); \
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if (_ei->interface_versions.intf_ < _version) { \
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log_bug(ei_, "Received invalid version %u for object id %#" PRIx64 ". Disconnecting", _version, _id); \
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return brei_result_new(EI_CONNECTION_DISCONNECT_REASON_PROTOCOL, "Received invalid version %u for object id %#" PRIx64 ".", _version, _id); \
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} \
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} while(0)
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