/* * Copyright © 2010 Intel Corporation * Copyright © 2013 Jonas Ådahl * Copyright © 2013-2017 Red Hat, Inc. * Copyright © 2017 James Ye * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #include "config.h" #ifndef EVDEV_FALLBACK_H #define EVDEV_FALLBACK_H #include "util-input-event.h" #include "evdev.h" enum debounce_state { DEBOUNCE_STATE_IS_UP = 100, DEBOUNCE_STATE_IS_DOWN, DEBOUNCE_STATE_IS_DOWN_WAITING, DEBOUNCE_STATE_IS_UP_DELAYING, DEBOUNCE_STATE_IS_UP_DELAYING_SPURIOUS, DEBOUNCE_STATE_IS_UP_DETECTING_SPURIOUS, DEBOUNCE_STATE_IS_DOWN_DETECTING_SPURIOUS, DEBOUNCE_STATE_IS_UP_WAITING, DEBOUNCE_STATE_IS_DOWN_DELAYING, DEBOUNCE_STATE_DISABLED = 999, }; enum mt_slot_state { SLOT_STATE_NONE, SLOT_STATE_BEGIN, SLOT_STATE_UPDATE, SLOT_STATE_END, }; enum palm_state { PALM_NONE, PALM_NEW, PALM_IS_PALM, PALM_WAS_PALM, /* this touch sequence was a palm but isn't now */ }; struct mt_slot { bool dirty; enum mt_slot_state state; int32_t seat_slot; struct device_coords point; struct device_coords hysteresis_center; enum palm_state palm_state; }; struct fallback_dispatch { struct evdev_dispatch base; struct evdev_device *device; struct libinput_device_config_calibration calibration; struct { int angle; struct matrix matrix; struct libinput_device_config_rotation config; } rotation; struct { struct device_coords point; int32_t seat_slot; } abs; struct { int slot; struct mt_slot *slots; size_t slots_len; bool want_hysteresis; struct device_coords hysteresis_margin; bool has_palm; } mt; struct device_coords rel; struct { struct device_coords lo_res; struct device_coords hi_res; } wheel; struct { /* The struct for the tablet mode switch device itself */ struct { int state; } sw; /* The struct for other devices listening to the tablet mode switch */ struct { struct evdev_device *sw_device; struct libinput_event_listener listener; } other; } tablet_mode; struct { /* Switch */ struct { int state; } sw; } keypad_slide; /* Bitmask of pressed keys used to ignore initial release events from * the kernel. */ unsigned long hw_key_mask[NLONGS(KEY_CNT)]; unsigned long last_hw_key_mask[NLONGS(KEY_CNT)]; enum evdev_event_type pending_event; struct { evdev_usage_t button_usage; uint64_t button_time; struct libinput_timer timer; struct libinput_timer timer_short; enum debounce_state state; bool spurious_enabled; } debounce; struct { enum switch_reliability reliability; bool is_closed; bool is_closed_client_state; /* We allow multiple paired keyboards for the lid switch * listener. Only one keyboard should exist, but that can * have more than one event node. And it's a list because * otherwise the test suite run fails too often. */ struct list paired_keyboard_list; } lid; /* pen/touch arbitration has a delayed state, * in_arbitration is what decides when to filter. */ struct { enum evdev_arbitration_state state; bool in_arbitration; struct device_coord_rect rect; struct libinput_timer arbitration_timer; } arbitration; }; static inline struct fallback_dispatch * fallback_dispatch(struct evdev_dispatch *dispatch) { evdev_verify_dispatch_type(dispatch, DISPATCH_FALLBACK); return container_of(dispatch, struct fallback_dispatch, base); } static inline void hw_set_key_down(struct fallback_dispatch *dispatch, evdev_usage_t usage, int pressed) { assert(evdev_usage_type(usage) == EV_KEY); unsigned int code = evdev_usage_code(usage); long_set_bit_state(dispatch->hw_key_mask, code, pressed); } static inline bool hw_key_has_changed(struct fallback_dispatch *dispatch, evdev_usage_t usage) { assert(evdev_usage_type(usage) == EV_KEY); unsigned int code = evdev_usage_code(usage); return long_bit_is_set(dispatch->hw_key_mask, code) != long_bit_is_set(dispatch->last_hw_key_mask, code); } static inline void hw_key_update_last_state(struct fallback_dispatch *dispatch) { static_assert(sizeof(dispatch->hw_key_mask) == sizeof(dispatch->last_hw_key_mask), "Mismatching key mask size"); memcpy(dispatch->last_hw_key_mask, dispatch->hw_key_mask, sizeof(dispatch->hw_key_mask)); } static inline bool hw_is_key_down(struct fallback_dispatch *dispatch, evdev_usage_t usage) { assert(evdev_usage_type(usage) == EV_KEY); unsigned int code = evdev_usage_code(usage); return long_bit_is_set(dispatch->hw_key_mask, code); } static inline int get_key_down_count(struct evdev_device *device, evdev_usage_t usage) { assert(evdev_usage_type(usage) == EV_KEY); unsigned int code = evdev_usage_code(usage); return device->key_count[code]; } void fallback_debounce_handle_state(struct fallback_dispatch *dispatch, uint64_t time); void fallback_notify_physical_button(struct fallback_dispatch *dispatch, struct evdev_device *device, uint64_t time, evdev_usage_t button, enum libinput_button_state state); #endif