/** \brief Store or get action (FIXME: Needs better summary)
*
* Make sure the action triggered when the key is released is the same
* one as the one triggered on press. It's important for the mod keys
* when the layer is switched after the down event but before the up
* event as they may get stuck otherwise.
*/
action_t store_or_get_action(bool pressed, keypos_t key)
{
#if !defined(NO_ACTION_LAYER) && !defined(STRICT_LAYER_RELEASE)
if (disable_action_cache) {
return layer_switch_get_action(key);
}
uint8_t layer;
if (pressed) {
layer = layer_switch_get_layer(key);
update_source_layers_cache(key, layer);
}
else {
layer = read_source_layers_cache(key);
}
return action_for_key(layer, key);
#else
return layer_switch_get_action(key);
#endif
}
/** \brief Allows for handling tap-hold actions immediately instead of waiting for TAPPING_TERM or another keypress.
*
* FIXME: Needs documentation.
*/
void process_record_tap_hint(keyrecord_t *record)
{
action_t action = layer_switch_get_action(record->event.key);
switch (action.kind.id) {
#ifdef SWAP_HANDS_ENABLE
case ACT_SWAP_HANDS:
switch (action.swap.code) {
case OP_SH_TAP_TOGGLE:
default:
swap_hands = !swap_hands;
swap_held = true;
}
break;
#endif
}
}
/* return true when key event is processed or consumed. */
bool process_tapping(keyrecord_t *keyp)
{
keyevent_t event = keyp->event;
// if tapping
if (IS_TAPPING_PRESSED()) {
if (WITHIN_TAPPING_TERM(event)) {
if (tapping_key.tap.count == 0) {
if (IS_TAPPING_KEY(event.key) && !event.pressed) {
// first tap!
debug("Tapping: First tap(0->1).\n");
tapping_key.tap.count = 1;
debug_tapping_key();
process_action(&tapping_key);
// copy tapping state
keyp->tap = tapping_key.tap;
// enqueue
return false;
}
#if TAPPING_TERM >= 500
/* Process a key typed within TAPPING_TERM
* This can register the key before settlement of tapping,
* useful for long TAPPING_TERM but may prevent fast typing.
*/
else if (IS_RELEASED(event) && waiting_buffer_typed(event)) {
debug("Tapping: End. No tap. Interfered by typing key\n");
process_action(&tapping_key);
tapping_key = (keyrecord_t){};
debug_tapping_key();
// enqueue
return false;
}
#endif
/* Process release event of a key pressed before tapping starts
* Without this unexpected repeating will occur with having fast repeating setting
* https://github.com/tmk/tmk_keyboard/issues/60
*/
else if (IS_RELEASED(event) && !waiting_buffer_typed(event)) {
// Modifier should be retained till end of this tapping.
action_t action = layer_switch_get_action(event.key);
switch (action.kind.id) {
case ACT_LMODS:
case ACT_RMODS:
if (action.key.mods && !action.key.code) return false;
if (IS_MOD(action.key.code)) return false;
break;
case ACT_LMODS_TAP:
case ACT_RMODS_TAP:
if (action.key.mods && keyp->tap.count == 0) return false;
if (IS_MOD(action.key.code)) return false;
break;
}
// Release of key should be process immediately.
debug("Tapping: release event of a key pressed before tapping\n");
process_action(keyp);
return true;
}
else {
// set interrupted flag when other key preesed during tapping
if (event.pressed) {
tapping_key.tap.interrupted = true;
}
// enqueue
return false;
}
}
// tap_count > 0
else {
if (IS_TAPPING_KEY(event.key) && !event.pressed) {
debug("Tapping: Tap release("); debug_dec(tapping_key.tap.count); debug(")\n");
keyp->tap = tapping_key.tap;
process_action(keyp);
tapping_key = *keyp;
debug_tapping_key();
return true;
}
else if (is_tap_key(event.key) && event.pressed) {
if (tapping_key.tap.count > 1) {
debug("Tapping: Start new tap with releasing last tap(>1).\n");
// unregister key
process_action(&(keyrecord_t){
.tap = tapping_key.tap,
.event.key = tapping_key.event.key,
.event.time = event.time,
.event.pressed = false
});
} else {
debug("Tapping: Start while last tap(1).\n");
}
tapping_key = *keyp;
waiting_buffer_scan_tap();
debug_tapping_key();
return true;
}
else {
if (!IS_NOEVENT(event)) {
void process_action(keyrecord_t *record)
{
keyevent_t event = record->event;
#ifndef NO_ACTION_TAPPING
uint8_t tap_count = record->tap.count;
#endif
if (IS_NOEVENT(event)) { return; }
action_t action = layer_switch_get_action(event.key);
dprint("ACTION: "); debug_action(action);
#ifndef NO_ACTION_LAYER
dprint(" layer_state: "); layer_debug();
dprint(" default_layer_state: "); default_layer_debug();
#endif
dprintln();
switch (action.kind.id) {
/* Key and Mods */
case ACT_LMODS:
case ACT_RMODS:
{
uint8_t mods = (action.kind.id == ACT_LMODS) ? action.key.mods :
action.key.mods<<4;
if (event.pressed) {
if (mods) {
add_weak_mods(mods);
send_keyboard_report();
}
register_code(action.key.code);
} else {
unregister_code(action.key.code);
if (mods) {
del_weak_mods(mods);
send_keyboard_report();
}
}
}
break;
#ifndef NO_ACTION_TAPPING
case ACT_LMODS_TAP:
case ACT_RMODS_TAP:
{
uint8_t mods = (action.kind.id == ACT_LMODS_TAP) ? action.key.mods :
action.key.mods<<4;
switch (action.layer_tap.code) {
#ifndef NO_ACTION_ONESHOT
case MODS_ONESHOT:
// Oneshot modifier
if (event.pressed) {
if (tap_count == 0) {
register_mods(mods);
}
else if (tap_count == 1) {
dprint("MODS_TAP: Oneshot: start\n");
set_oneshot_mods(mods);
}
else {
register_mods(mods);
}
} else {
if (tap_count == 0) {
clear_oneshot_mods();
unregister_mods(mods);
}
else if (tap_count == 1) {
// Retain Oneshot mods
}
else {
clear_oneshot_mods();
unregister_mods(mods);
}
}
break;
#endif
case MODS_TAP_TOGGLE:
if (event.pressed) {
if (tap_count <= TAPPING_TOGGLE) {
register_mods(mods);
}
} else {
if (tap_count < TAPPING_TOGGLE) {
unregister_mods(mods);
}
}
break;
default:
if (event.pressed) {
if (tap_count > 0) {
if (record->tap.interrupted) {
dprint("MODS_TAP: Tap: Cancel: add_mods\n");
// ad hoc: set 0 to cancel tap
record->tap.count = 0;
register_mods(mods);
} else {
dprint("MODS_TAP: Tap: register_code\n");
register_code(action.key.code);
}
} else {
dprint("MODS_TAP: No tap: add_mods\n");
register_mods(mods);
}
} else {
if (tap_count > 0) {
dprint("MODS_TAP: Tap: unregister_code\n");
unregister_code(action.key.code);
} else {
dprint("MODS_TAP: No tap: add_mods\n");
unregister_mods(mods);
}
}
break;
}
}
break;
#endif
#ifdef EXTRAKEY_ENABLE
/* other HID usage */
case ACT_USAGE:
switch (action.usage.page) {
case PAGE_SYSTEM:
if (event.pressed) {
host_system_send(action.usage.code);
} else {
host_system_send(0);
}
break;
case PAGE_CONSUMER:
if (event.pressed) {
host_consumer_send(action.usage.code);
} else {
host_consumer_send(0);
}
break;
}
break;
#endif
#ifdef MOUSEKEY_ENABLE
/* Mouse key */
case ACT_MOUSEKEY:
if (event.pressed) {
mousekey_on(action.key.code);
mousekey_send();
} else {
mousekey_off(action.key.code);
mousekey_send();
}
break;
#endif
#ifndef NO_ACTION_LAYER
case ACT_LAYER:
if (action.layer_bitop.on == 0) {
/* Default Layer Bitwise Operation */
if (!event.pressed) {
uint8_t shift = action.layer_bitop.part*4;
uint32_t bits = ((uint32_t)action.layer_bitop.bits)<<shift;
uint32_t mask = (action.layer_bitop.xbit) ? ~(((uint32_t)0xf)<<shift) : 0;
switch (action.layer_bitop.op) {
case OP_BIT_AND: default_layer_and(bits | mask); break;
case OP_BIT_OR: default_layer_or(bits | mask); break;
case OP_BIT_XOR: default_layer_xor(bits | mask); break;
case OP_BIT_SET: default_layer_and(mask); default_layer_or(bits); break;
}
}
} else {
/* Layer Bitwise Operation */
if (event.pressed ? (action.layer_bitop.on & ON_PRESS) :
(action.layer_bitop.on & ON_RELEASE)) {
uint8_t shift = action.layer_bitop.part*4;
uint32_t bits = ((uint32_t)action.layer_bitop.bits)<<shift;
uint32_t mask = (action.layer_bitop.xbit) ? ~(((uint32_t)0xf)<<shift) : 0;
switch (action.layer_bitop.op) {
case OP_BIT_AND: layer_and(bits | mask); break;
case OP_BIT_OR: layer_or(bits | mask); break;
case OP_BIT_XOR: layer_xor(bits | mask); break;
case OP_BIT_SET: layer_and(mask); layer_or(bits); break;
}
}
}
break;
#ifndef NO_ACTION_TAPPING
case ACT_LAYER_TAP:
case ACT_LAYER_TAP_EXT:
switch (action.layer_tap.code) {
case 0xe0 ... 0xef:
/* layer On/Off with modifiers(left only) */
if (event.pressed) {
layer_on(action.layer_tap.val);
register_mods(action.layer_tap.code & 0x0f);
} else {
layer_off(action.layer_tap.val);
unregister_mods(action.layer_tap.code & 0x0f);
}
break;
case OP_TAP_TOGGLE:
/* tap toggle */
if (event.pressed) {
if (tap_count < TAPPING_TOGGLE) {
layer_invert(action.layer_tap.val);
}
} else {
if (tap_count <= TAPPING_TOGGLE) {
layer_invert(action.layer_tap.val);
}
}
break;
case OP_ON_OFF:
event.pressed ? layer_on(action.layer_tap.val) :
layer_off(action.layer_tap.val);
break;
case OP_OFF_ON:
event.pressed ? layer_off(action.layer_tap.val) :
layer_on(action.layer_tap.val);
break;
case OP_SET_CLEAR:
event.pressed ? layer_move(action.layer_tap.val) :
layer_clear();
break;
default:
/* tap key */
if (event.pressed) {
if (tap_count > 0) {
dprint("KEYMAP_TAP_KEY: Tap: register_code\n");
register_code(action.layer_tap.code);
} else {
dprint("KEYMAP_TAP_KEY: No tap: On on press\n");
layer_on(action.layer_tap.val);
}
} else {
if (tap_count > 0) {
dprint("KEYMAP_TAP_KEY: Tap: unregister_code\n");
unregister_code(action.layer_tap.code);
} else {
dprint("KEYMAP_TAP_KEY: No tap: Off on release\n");
layer_off(action.layer_tap.val);
}
}
break;
}
break;
#endif
#endif
/* Extentions */
#ifndef NO_ACTION_MACRO
case ACT_MACRO:
action_macro_play(action_get_macro(record, action.func.id, action.func.opt));
break;
#endif
#ifdef BACKLIGHT_ENABLE
case ACT_BACKLIGHT:
if (!event.pressed) {
switch (action.backlight.opt) {
case BACKLIGHT_INCREASE:
backlight_increase();
break;
case BACKLIGHT_DECREASE:
backlight_decrease();
break;
case BACKLIGHT_TOGGLE:
backlight_toggle();
break;
case BACKLIGHT_STEP:
backlight_step();
break;
case BACKLIGHT_LEVEL:
backlight_level(action.backlight.level);
break;
}
}
break;
#endif
case ACT_COMMAND:
break;
#ifndef NO_ACTION_FUNCTION
case ACT_FUNCTION:
action_function(record, action.func.id, action.func.opt);
break;
#endif
default:
break;
}
}