587 lines
20 KiB
C
587 lines
20 KiB
C
#include "host.h"
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#include "timer.h"
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#include "keymap.h"
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#include "keycode.h"
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#include "keyboard.h"
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#include "mousekey.h"
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#include "command.h"
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#include "util.h"
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#include "debug.h"
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#include "action.h"
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static void process(keyevent_t event);
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static void register_code(uint8_t code);
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static void unregister_code(uint8_t code);
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static void add_mods(uint8_t mods);
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static void del_mods(uint8_t mods);
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static void set_mods(uint8_t mods);
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static void clear_keyboard(void);
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static void clear_keyboard_but_mods(void);
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static bool sending_anykey(void);
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static void layer_switch(uint8_t new_layer);
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/* tap */
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#define TAP_TIME 300
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/* This counts up when tap occurs */
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static uint8_t tap_count = 0;
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static bool is_tap_key(keyevent_t event)
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{
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action_t action = keymap_get_action(current_layer, event.key.pos.row, event.key.pos.col);
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switch (action.kind.id) {
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case ACT_LMODS_TAP:
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case ACT_RMODS_TAP:
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return true;
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case ACT_LAYER_PRESSED:
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case ACT_LAYER_BIT:
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switch (action.layer.code) {
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case 0x00:
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case 0xF1 ... 0xFF:
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return false;
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case 0xF0:
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default:
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return true;
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}
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return false;
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}
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return false;
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}
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/* layer */
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uint8_t default_layer = 0;
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uint8_t current_layer = 0;
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static keyevent_t tapping_event = {};
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/* TAPPING: This indicates that whether tap or not is not decided yet. */
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// NOTE: keyevent_t.time 0 means no event.
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#define IS_TAPPING(k) (tapping_event.time != 0 && KEYEQ(tapping_event.key, (k)))
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/* waiting keys buffer */
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#define WAITING_KEYS_BUFFER 8
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static keyevent_t waiting_events[WAITING_KEYS_BUFFER] = {};
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static uint8_t waiting_events_head = 0;
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static bool waiting_events_enqueue(keyevent_t event)
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{
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if (IS_NOEVENT(event)) { return true; }
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if (waiting_events_head < WAITING_KEYS_BUFFER) {
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debug("waiting_events["); debug_dec(waiting_events_head); debug("] = ");
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debug_hex16(event.key.raw); debug("\n");
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waiting_events[waiting_events_head++] = event;
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return true;
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}
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debug("waiting_events_enqueue: Over flow.\n");
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return false;
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}
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static void waiting_events_clear(void)
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{
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waiting_events_head = 0;
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}
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static bool waiting_events_has(key_t key)
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{
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for (uint8_t i = 0; i < waiting_events_head; i++) {
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if KEYEQ(key, waiting_events[i].key) return true;
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}
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return false;
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}
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static void waiting_events_process_in_current_layer(void)
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{
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// TODO: in case of including tap key in waiting keys
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for (uint8_t i = 0; i < waiting_events_head; i++) {
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debug("waiting_events_process_in_current_layer["); debug_dec(i); debug("]\n");
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process(waiting_events[i]);
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}
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waiting_events_clear();
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}
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static bool waiting_events_has_anykey_pressed(void)
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{
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for (uint8_t i = 0; i < waiting_events_head; i++) {
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if (waiting_events[i].pressed) return true;
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}
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return false;
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}
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void action_exec(keyevent_t event)
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{
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if (!IS_NOEVENT(event)) {
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debug("event: "); debug_hex16(event.key.raw);
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debug("[");
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if (event.pressed) debug("down"); else debug("up");
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debug("]\n");
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}
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// In tapping term
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if (tapping_event.time && timer_elapsed(tapping_event.time) < TAP_TIME) {
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if (tapping_event.pressed) {
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if (!event.pressed && KEYEQ(tapping_event.key, event.key)) {
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debug("Tapping: Release tap key.\n");
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if (tap_count == 0) {
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debug("Tapping: First tap.\n");
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// count up on release
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tap_count++;
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process(tapping_event);
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waiting_events_process_in_current_layer();
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}
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tapping_event = event;
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process(event);
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} else if (!event.pressed && waiting_events_has(event.key)) {
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debug("Tapping: End(No tap by typing waiting key).\n");
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process(tapping_event);
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waiting_events_process_in_current_layer();
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process(event);
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tap_count = 0;
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tapping_event = (keyevent_t){};
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} else {
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//debug("Tapping: pressing tap key.\n");
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if (tap_count == 0) {
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// store event
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waiting_events_enqueue(event);
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return;
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}
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process(event);
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}
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} else {
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//debug("Tapping after releasing tap.\n");
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// Sequential tap
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if (tap_count && event.pressed && KEYEQ(tapping_event.key, event.key)) {
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tap_count++;
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tapping_event = event;
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debug("Tapping: Sequential tap("); debug_hex(tap_count); debug(")\n");
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}
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process(event);
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}
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}
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// Not in tapping term
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else {
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if (tapping_event.time) {
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if (tapping_event.pressed) {
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if (tap_count == 0) {
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// Not tap, holding down normal key.
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debug("Not tap.\n");
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process(tapping_event);
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waiting_events_process_in_current_layer();
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tap_count = 0;
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tapping_event = (keyevent_t){};
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process(event);
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} else {
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// Holding down last tap key.
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//debug("Time out with holding last tap.\n");
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process(event);
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if (!event.pressed && KEYEQ(tapping_event.key, event.key)) {
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debug("Tapping: End(Release holding last tap).\n");
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// clear after release last tap key
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tap_count = 0;
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tapping_event = (keyevent_t){};
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waiting_events_clear();
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}
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}
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} else {
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// time out for sequential tap after complete last tap
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debug("Tapping: End(Time out after releasing last tap).\n");
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tap_count = 0;
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tapping_event = (keyevent_t){};
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waiting_events_clear();
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process(event);
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}
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} else {
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// Normal state without tapping
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if (event.pressed && is_tap_key(event)) {
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debug("Tapping: Start(Press tap key).\n");
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tapping_event = event;
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tap_count = 0;
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waiting_events_clear();
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} else {
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//debug("Normal event(No tapping)\n");
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process(event);
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}
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}
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}
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}
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static void process(keyevent_t event)
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{
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if (IS_NOEVENT(event)) { return; }
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action_t action = keymap_get_action(current_layer, event.key.pos.row, event.key.pos.col);
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debug("action: "); debug_hex16(action.code);
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if (event.pressed) debug("[down]\n"); else debug("[up]\n");
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switch (action.kind.id) {
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/* Key and Mods */
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case ACT_LMODS:
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// |pressed |released
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// --------------+---------------------------------+------------
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// key |down(key) |up(key)
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// mods |add(mods) |del(mods)
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// key with mods |add(mods), down(key), unset(mods)|up(key)
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if (event.pressed) {
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uint8_t tmp_mods = host_get_mods();
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if (action.key.mods) {
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host_add_mods(action.key.mods);
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host_send_keyboard_report();
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}
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register_code(action.key.code);
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if (action.key.mods && action.key.code) {
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host_set_mods(tmp_mods);
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host_send_keyboard_report();
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}
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} else {
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if (action.key.mods && !action.key.code) {
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host_del_mods(action.key.mods);
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host_send_keyboard_report();
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}
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unregister_code(action.key.code);
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}
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break;
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case ACT_RMODS:
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// |pressed |released
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// --------------+---------------------------------+------------
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// key |down(key) |up(key)
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// mods |add(mods) |del(mods)
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// key with mods |add(mods), down(key), unset(mods)|up(key)
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if (event.pressed) {
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uint8_t tmp_mods = host_get_mods();
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if (action.key.mods) {
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host_add_mods(action.key.mods<<4);
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host_send_keyboard_report();
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}
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register_code(action.key.code);
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if (action.key.mods && action.key.code) {
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host_set_mods(tmp_mods);
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host_send_keyboard_report();
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}
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} else {
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if (action.key.mods && !action.key.code) {
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host_del_mods(action.key.mods<<4);
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host_send_keyboard_report();
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}
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unregister_code(action.key.code);
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}
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break;
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case ACT_LMODS_TAP:
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case ACT_RMODS_TAP:
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{
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uint8_t tmp_mods = (action.kind.id == ACT_LMODS_TAP) ? action.key.mods :
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action.key.mods<<4;
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if (event.pressed) {
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if (IS_TAPPING(event.key) && tap_count > 0) {
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if (waiting_events_has_anykey_pressed()) {
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debug("MODS_TAP: Tap: Cancel: add_mods\n");
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tap_count = 0;
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add_mods(tmp_mods);
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} else {
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debug("MODS_TAP: Tap: register_code\n");
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register_code(action.key.code);
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}
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} else {
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debug("MODS_TAP: No tap: add_mods\n");
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add_mods(tmp_mods);
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}
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} else {
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if (IS_TAPPING(event.key) && tap_count > 0) {
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debug("MODS_TAP: Tap: unregister_code\n");
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unregister_code(action.key.code);
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} else {
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debug("MODS_TAP: No tap: add_mods\n");
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del_mods(tmp_mods);
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}
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}
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}
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break;
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/* other HID usage */
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case ACT_USAGE:
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#ifdef EXTRAKEY_ENABLE
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switch (action.usage.page) {
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case ACTION_USAGE_PAGE_SYSTEM:
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if (event.pressed) {
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host_system_send(action.usage.code);
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} else {
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host_system_send(0);
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}
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break;
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case ACTION_USAGE_PAGE_CONSUMER:
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if (event.pressed) {
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host_consumer_send(action.usage.code);
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} else {
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host_consumer_send(0);
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}
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break;
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}
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#endif
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break;
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/* Mouse key */
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case ACT_MOUSEKEY:
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#ifdef MOUSEKEY_ENABLE
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if (event.pressed) {
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mousekey_on(action.key.code);
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mousekey_send();
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} else {
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mousekey_off(action.key.code);
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mousekey_send();
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}
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#endif
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break;
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/* Layer key */
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case ACT_LAYER_PRESSED:
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// layer action when pressed
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switch (action.layer.code) {
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case 0x00:
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if (event.pressed) {
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layer_switch(action.layer.opt);
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}
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break;
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case 0xF0:
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// TODO: tap toggle
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break;
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case 0xFF:
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if (event.pressed) {
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default_layer = action.layer.opt;
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layer_switch(default_layer);
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}
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break;
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default:
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// with tap key
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if (event.pressed) {
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if (IS_TAPPING(event.key) && tap_count > 0) {
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debug("LAYER_PRESSED: Tap: register_code\n");
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register_code(action.layer.code);
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} else {
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debug("LAYER_PRESSED: No tap: layer_switch\n");
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layer_switch(action.layer.opt);
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}
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} else {
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if (IS_TAPPING(event.key) && tap_count > 0) {
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debug("LAYER_PRESSED: Tap: unregister_code\n");
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unregister_code(action.layer.code);
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} else {
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debug("LAYER_PRESSED: No tap: NO ACTION\n");
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}
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}
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break;
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}
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break;
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case ACT_LAYER_RELEASED:
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switch (action.layer.code) {
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case 0x00:
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if (!event.pressed) {
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layer_switch(action.layer.opt);
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}
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break;
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case 0xF0:
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// Ignored. LAYER_RELEASED with tap toggle is invalid action.
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break;
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case 0xFF:
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if (!event.pressed) {
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default_layer = action.layer.opt;
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layer_switch(default_layer);
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}
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break;
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default:
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// Ignored. LAYER_RELEASED with tap key is invalid action.
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break;
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}
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break;
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case ACT_LAYER_BIT:
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switch (action.layer.code) {
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case 0x00:
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if (event.pressed) {
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layer_switch(current_layer | action.layer.opt);
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} else {
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layer_switch(current_layer & ~action.layer.opt);
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}
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break;
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case 0xF0:
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// TODO: tap toggle
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break;
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case 0xFF:
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// change default layer
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if (event.pressed) {
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default_layer = current_layer | action.layer.opt;
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layer_switch(default_layer);
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} else {
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default_layer = current_layer & ~action.layer.opt;
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layer_switch(default_layer);
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}
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break;
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default:
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// with tap key
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if (event.pressed) {
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if (IS_TAPPING(event.key) && tap_count > 0) {
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debug("LAYER_BIT: Tap: register_code\n");
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register_code(action.layer.code);
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} else {
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debug("LAYER_BIT: No tap: layer_switch(bit on)\n");
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layer_switch(current_layer | action.layer.opt);
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}
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} else {
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if (IS_TAPPING(event.key) && tap_count > 0) {
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debug("LAYER_BIT: Tap: unregister_code\n");
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unregister_code(action.layer.code);
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} else {
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debug("LAYER_BIT: No tap: layer_switch(bit off)\n");
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layer_switch(current_layer & ~action.layer.opt);
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}
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}
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break;
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}
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case ACT_LAYER_EXT:
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switch (action.layer.opt) {
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case 0x00:
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// set default layer when pressed
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switch (action.layer.code) {
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case 0x00:
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if (event.pressed) {
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layer_switch(default_layer);
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}
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break;
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case 0xF0:
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// TODO: tap toggle
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break;
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case 0xFF:
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if (event.pressed) {
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default_layer = current_layer;
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layer_switch(default_layer);
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}
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break;
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default:
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// TODO: tap key
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break;
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}
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break;
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case 0x01:
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// set default layer when released
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switch (action.layer.code) {
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case 0x00:
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if (!event.pressed) {
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layer_switch(default_layer);
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}
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break;
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case 0xFF:
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if (!event.pressed) {
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default_layer = current_layer;
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layer_switch(default_layer);
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}
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break;
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case 0xF0:
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default:
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// Ignore tap.
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if (!event.pressed) {
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layer_switch(default_layer);
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}
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break;
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}
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break;
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}
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break;
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/* Extentions */
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case ACT_MACRO:
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case ACT_COMMAND:
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case ACT_FUNCTION:
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default:
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break;
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}
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}
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static void register_code(uint8_t code)
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{
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if (code == KC_NO) {
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return;
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}
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else if IS_KEY(code) {
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// TODO: should push command_proc out of this block?
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if (!command_proc(code)) {
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host_add_key(code);
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host_send_keyboard_report();
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}
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}
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else if IS_MOD(code) {
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host_add_mods(MOD_BIT(code));
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host_send_keyboard_report();
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}
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}
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static void unregister_code(uint8_t code)
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{
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if IS_KEY(code) {
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host_del_key(code);
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host_send_keyboard_report();
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}
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else if IS_MOD(code) {
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host_del_mods(MOD_BIT(code));
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host_send_keyboard_report();
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}
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}
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static void add_mods(uint8_t mods)
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{
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if (mods) {
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host_add_mods(mods);
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host_send_keyboard_report();
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}
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}
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static void del_mods(uint8_t mods)
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{
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if (mods) {
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host_del_mods(mods);
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host_send_keyboard_report();
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}
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}
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|
|
|
static void set_mods(uint8_t mods)
|
|
{
|
|
host_set_mods(mods);
|
|
host_send_keyboard_report();
|
|
}
|
|
|
|
static void clear_keyboard(void)
|
|
{
|
|
host_clear_mods();
|
|
clear_keyboard_but_mods();
|
|
}
|
|
|
|
static void clear_keyboard_but_mods(void)
|
|
{
|
|
host_clear_keys();
|
|
host_send_keyboard_report();
|
|
#ifdef MOUSEKEY_ENABLE
|
|
mousekey_clear();
|
|
mousekey_send();
|
|
#endif
|
|
#ifdef EXTRAKEY_ENABLE
|
|
host_system_send(0);
|
|
host_consumer_send(0);
|
|
#endif
|
|
}
|
|
|
|
static bool sending_anykey(void)
|
|
{
|
|
return (host_has_anykey() || host_mouse_in_use() ||
|
|
host_last_sysytem_report() || host_last_consumer_report());
|
|
}
|
|
|
|
static void layer_switch(uint8_t new_layer)
|
|
{
|
|
if (current_layer != new_layer) {
|
|
debug("Layer Switch: "); debug_hex(current_layer);
|
|
debug(" -> "); debug_hex(new_layer); debug("\n");
|
|
|
|
current_layer = new_layer;
|
|
clear_keyboard_but_mods(); // To avoid stuck keys
|
|
// TODO: update mods with full scan of matrix? if modifier changes between layers
|
|
}
|
|
}
|