+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright (C) 2014 David Herrmann <dh.herrmann@gmail.com>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-/*
- * IDev
- */
-
-#pragma once
-
-#include <libudev.h>
-#include <linux/input.h>
-#include <stdbool.h>
-#include <systemd/sd-bus.h>
-#include <systemd/sd-event.h>
-#include <xkbcommon/xkbcommon.h>
-
-typedef struct idev_data idev_data;
-typedef struct idev_data_evdev idev_data_evdev;
-typedef struct idev_data_keyboard idev_data_keyboard;
-
-typedef struct idev_event idev_event;
-typedef struct idev_device idev_device;
-typedef struct idev_session idev_session;
-typedef struct idev_context idev_context;
-
-/*
- * Types
- */
-
-enum {
- IDEV_ELEMENT_EVDEV,
- IDEV_ELEMENT_CNT
-};
-
-enum {
- IDEV_DEVICE_KEYBOARD,
- IDEV_DEVICE_CNT
-};
-
-/*
- * Evdev Elements
- */
-
-struct idev_data_evdev {
- struct input_event event;
-};
-
-/*
- * Keyboard Devices
- */
-
-struct xkb_state;
-
-enum {
- IDEV_KBDMOD_IDX_SHIFT,
- IDEV_KBDMOD_IDX_CTRL,
- IDEV_KBDMOD_IDX_ALT,
- IDEV_KBDMOD_IDX_LINUX,
- IDEV_KBDMOD_IDX_CAPS,
- IDEV_KBDMOD_CNT,
-
- IDEV_KBDMOD_SHIFT = 1 << IDEV_KBDMOD_IDX_SHIFT,
- IDEV_KBDMOD_CTRL = 1 << IDEV_KBDMOD_IDX_CTRL,
- IDEV_KBDMOD_ALT = 1 << IDEV_KBDMOD_IDX_ALT,
- IDEV_KBDMOD_LINUX = 1 << IDEV_KBDMOD_IDX_LINUX,
- IDEV_KBDMOD_CAPS = 1 << IDEV_KBDMOD_IDX_CAPS,
-};
-
-enum {
- IDEV_KBDLED_IDX_NUM,
- IDEV_KBDLED_IDX_CAPS,
- IDEV_KBDLED_IDX_SCROLL,
- IDEV_KBDLED_CNT,
-
- IDEV_KBDLED_NUM = 1 << IDEV_KBDLED_IDX_NUM,
- IDEV_KBDLED_CAPS = 1 << IDEV_KBDLED_IDX_CAPS,
- IDEV_KBDLED_SCROLL = 1 << IDEV_KBDLED_IDX_SCROLL,
-};
-
-struct idev_data_keyboard {
- struct xkb_state *xkb_state;
- int8_t ascii;
- uint8_t value;
- uint16_t keycode;
- uint32_t mods;
- uint32_t consumed_mods;
- uint32_t n_syms;
- uint32_t *keysyms;
- uint32_t *codepoints;
-};
-
-static inline bool idev_kbdmatch(idev_data_keyboard *kdata,
- uint32_t mods, uint32_t n_syms,
- const uint32_t *syms) {
- const uint32_t significant = IDEV_KBDMOD_SHIFT |
- IDEV_KBDMOD_CTRL |
- IDEV_KBDMOD_ALT |
- IDEV_KBDMOD_LINUX;
- uint32_t real;
-
- if (n_syms != kdata->n_syms)
- return false;
-
- real = kdata->mods & ~kdata->consumed_mods & significant;
- if (real != mods)
- return false;
-
- return !memcmp(syms, kdata->keysyms, n_syms * sizeof(*syms));
-}
-
-#define IDEV_KBDMATCH(_kdata, _mods, _sym) \
- idev_kbdmatch((_kdata), (_mods), 1, (const uint32_t[]){ (_sym) })
-
-/*
- * Data Packets
- */
-
-enum {
- IDEV_DATA_RESYNC,
- IDEV_DATA_EVDEV,
- IDEV_DATA_KEYBOARD,
- IDEV_DATA_CNT
-};
-
-struct idev_data {
- unsigned int type;
- bool resync : 1;
-
- union {
- idev_data_evdev evdev;
- idev_data_keyboard keyboard;
- };
-};
-
-/*
- * Events
- */
-
-enum {
- IDEV_EVENT_DEVICE_ADD,
- IDEV_EVENT_DEVICE_REMOVE,
- IDEV_EVENT_DEVICE_DATA,
- IDEV_EVENT_CNT
-};
-
-struct idev_event {
- unsigned int type;
- union {
- struct {
- idev_device *device;
- } device_add, device_remove;
-
- struct {
- idev_device *device;
- idev_data data;
- } device_data;
- };
-};
-
-typedef int (*idev_event_fn) (idev_session *s, void *userdata, idev_event *ev);
-
-/*
- * Devices
- */
-
-void idev_device_enable(idev_device *d);
-void idev_device_disable(idev_device *d);
-
-/*
- * Sessions
- */
-
-enum {
- IDEV_SESSION_CUSTOM = (1 << 0),
- IDEV_SESSION_MANAGED = (1 << 1),
-};
-
-int idev_session_new(idev_session **out,
- idev_context *c,
- unsigned int flags,
- const char *name,
- idev_event_fn event_fn,
- void *userdata);
-idev_session *idev_session_free(idev_session *s);
-
-DEFINE_TRIVIAL_CLEANUP_FUNC(idev_session*, idev_session_free);
-
-bool idev_session_is_enabled(idev_session *s);
-void idev_session_enable(idev_session *s);
-void idev_session_disable(idev_session *s);
-
-int idev_session_add_evdev(idev_session *s, struct udev_device *ud);
-int idev_session_remove_evdev(idev_session *s, struct udev_device *ud);
-
-/*
- * Contexts
- */
-
-int idev_context_new(idev_context **out, sd_event *event, sd_bus *sysbus);
-idev_context *idev_context_ref(idev_context *c);
-idev_context *idev_context_unref(idev_context *c);
-
-DEFINE_TRIVIAL_CLEANUP_FUNC(idev_context*, idev_context_unref);
~ianmdlvl / elogind.git / blobdiff