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-rw-r--r--quantum/action_tapping.c138
1 files changed, 107 insertions, 31 deletions
diff --git a/quantum/action_tapping.c b/quantum/action_tapping.c
index e42a98554d..312c639169 100644
--- a/quantum/action_tapping.c
+++ b/quantum/action_tapping.c
@@ -4,6 +4,7 @@
#include "action.h"
#include "action_layer.h"
#include "action_tapping.h"
+#include "action_util.h"
#include "keycode.h"
#include "timer.h"
@@ -49,9 +50,7 @@ __attribute__((weak)) bool get_permissive_hold(uint16_t keycode, keyrecord_t *re
}
# endif
-# if defined(CHORDAL_HOLD)
-extern const char chordal_hold_layout[MATRIX_ROWS][MATRIX_COLS] PROGMEM;
-
+# if defined(CHORDAL_HOLD) || defined(FLOW_TAP_TERM)
# define REGISTERED_TAPS_SIZE 8
// Array of tap-hold keys that have been settled as tapped but not yet released.
static keypos_t registered_taps[REGISTERED_TAPS_SIZE] = {};
@@ -66,6 +65,14 @@ static void registered_taps_del_index(uint8_t i);
/** Logs the registered_taps array for debugging. */
static void debug_registered_taps(void);
+static bool is_mt_or_lt(uint16_t keycode) {
+ return IS_QK_MOD_TAP(keycode) || IS_QK_LAYER_TAP(keycode);
+}
+# endif // defined(CHORDAL_HOLD) || defined(FLOW_TAP_TERM)
+
+# if defined(CHORDAL_HOLD)
+extern const char chordal_hold_layout[MATRIX_ROWS][MATRIX_COLS] PROGMEM;
+
/** \brief Finds which queued events should be held according to Chordal Hold.
*
* In a situation with multiple unsettled tap-hold key presses, scan the queue
@@ -82,10 +89,6 @@ static void waiting_buffer_chordal_hold_taps_until(keypos_t key);
/** \brief Processes and pops buffered events until the first tap-hold event. */
static void waiting_buffer_process_regular(void);
-
-static bool is_mt_or_lt(uint16_t keycode) {
- return IS_QK_MOD_TAP(keycode) || IS_QK_LAYER_TAP(keycode);
-}
# endif // CHORDAL_HOLD
# ifdef HOLD_ON_OTHER_KEY_PRESS_PER_KEY
@@ -98,6 +101,13 @@ __attribute__((weak)) bool get_hold_on_other_key_press(uint16_t keycode, keyreco
# include "process_auto_shift.h"
# endif
+# if defined(FLOW_TAP_TERM)
+static uint32_t last_input = 0;
+static uint16_t prev_keycode = KC_NO;
+
+uint16_t get_flow_tap_term(uint16_t keycode, keyrecord_t *record, uint16_t prev_keycode);
+# endif // defined(FLOW_TAP_TERM)
+
static keyrecord_t tapping_key = {};
static keyrecord_t waiting_buffer[WAITING_BUFFER_SIZE] = {};
static uint8_t waiting_buffer_head = 0;
@@ -147,6 +157,19 @@ void action_tapping_process(keyrecord_t record) {
}
}
if (IS_EVENT(record.event)) {
+# if defined(FLOW_TAP_TERM)
+ const uint16_t keycode = get_record_keycode(&record, false);
+ // Track the previous key press.
+ if (record.event.pressed) {
+ prev_keycode = keycode;
+ }
+ // If there is no unsettled tap-hold key, update last input time. Ignore
+ // mod keys in this update to allow for chording multiple mods for
+ // hotkeys like "Ctrl+Shift+arrow".
+ if (IS_NOEVENT(tapping_key.event) && !IS_MODIFIER_KEYCODE(keycode)) {
+ last_input = timer_read32();
+ }
+# endif // defined(FLOW_TAP_TERM)
ac_dprintf("\n");
}
}
@@ -205,7 +228,7 @@ void action_tapping_process(keyrecord_t record) {
bool process_tapping(keyrecord_t *keyp) {
const keyevent_t event = keyp->event;
-# if defined(CHORDAL_HOLD)
+# if defined(CHORDAL_HOLD) || defined(FLOW_TAP_TERM)
if (!event.pressed) {
const int8_t i = registered_tap_find(event.key);
if (i != -1) {
@@ -217,7 +240,7 @@ bool process_tapping(keyrecord_t *keyp) {
debug_registered_taps();
}
}
-# endif // CHORDAL_HOLD
+# endif // defined(CHORDAL_HOLD) || defined(FLOW_TAP_TERM)
// state machine is in the "reset" state, no tapping key is to be
// processed
@@ -227,6 +250,27 @@ bool process_tapping(keyrecord_t *keyp) {
} else if (event.pressed && is_tap_record(keyp)) {
// the currently pressed key is a tapping key, therefore transition
// into the "pressed" tapping key state
+
+# if defined(FLOW_TAP_TERM)
+ const uint16_t keycode = get_record_keycode(keyp, false);
+ if (is_mt_or_lt(keycode)) {
+ const uint32_t idle_time = timer_elapsed32(last_input);
+ uint16_t term = get_flow_tap_term(keycode, keyp, prev_keycode);
+ if (term > 500) {
+ term = 500;
+ }
+ if (idle_time < 500 && idle_time < term) {
+ debug_event(keyp->event);
+ ac_dprintf(" within flow tap term (%u < %u) considered a tap\n", (int16_t)idle_time, term);
+ keyp->tap.count = 1;
+ registered_taps_add(keyp->event.key);
+ debug_registered_taps();
+ process_record(keyp);
+ return true;
+ }
+ }
+# endif // defined(FLOW_TAP_TERM)
+
ac_dprintf("Tapping: Start(Press tap key).\n");
tapping_key = *keyp;
process_record_tap_hint(&tapping_key);
@@ -655,28 +699,7 @@ void waiting_buffer_scan_tap(void) {
}
}
-# ifdef CHORDAL_HOLD
-__attribute__((weak)) bool get_chordal_hold(uint16_t tap_hold_keycode, keyrecord_t *tap_hold_record, uint16_t other_keycode, keyrecord_t *other_record) {
- return get_chordal_hold_default(tap_hold_record, other_record);
-}
-
-bool get_chordal_hold_default(keyrecord_t *tap_hold_record, keyrecord_t *other_record) {
- if (tap_hold_record->event.type != KEY_EVENT || other_record->event.type != KEY_EVENT) {
- return true; // Return true on combos or other non-key events.
- }
-
- char tap_hold_hand = chordal_hold_handedness(tap_hold_record->event.key);
- if (tap_hold_hand == '*') {
- return true;
- }
- char other_hand = chordal_hold_handedness(other_record->event.key);
- return other_hand == '*' || tap_hold_hand != other_hand;
-}
-
-__attribute__((weak)) char chordal_hold_handedness(keypos_t key) {
- return (char)pgm_read_byte(&chordal_hold_layout[key.row][key.col]);
-}
-
+# if defined(CHORDAL_HOLD) || defined(FLOW_TAP_TERM)
static void registered_taps_add(keypos_t key) {
if (num_registered_taps >= REGISTERED_TAPS_SIZE) {
ac_dprintf("TAPS OVERFLOW: CLEAR ALL STATES\n");
@@ -714,6 +737,30 @@ static void debug_registered_taps(void) {
ac_dprintf("}\n");
}
+# endif // defined(CHORDAL_HOLD) || defined(FLOW_TAP_TERM)
+
+# ifdef CHORDAL_HOLD
+__attribute__((weak)) bool get_chordal_hold(uint16_t tap_hold_keycode, keyrecord_t *tap_hold_record, uint16_t other_keycode, keyrecord_t *other_record) {
+ return get_chordal_hold_default(tap_hold_record, other_record);
+}
+
+bool get_chordal_hold_default(keyrecord_t *tap_hold_record, keyrecord_t *other_record) {
+ if (tap_hold_record->event.type != KEY_EVENT || other_record->event.type != KEY_EVENT) {
+ return true; // Return true on combos or other non-key events.
+ }
+
+ char tap_hold_hand = chordal_hold_handedness(tap_hold_record->event.key);
+ if (tap_hold_hand == '*') {
+ return true;
+ }
+ char other_hand = chordal_hold_handedness(other_record->event.key);
+ return other_hand == '*' || tap_hold_hand != other_hand;
+}
+
+__attribute__((weak)) char chordal_hold_handedness(keypos_t key) {
+ return (char)pgm_read_byte(&chordal_hold_layout[key.row][key.col]);
+}
+
static uint8_t waiting_buffer_find_chordal_hold_tap(void) {
keyrecord_t *prev = &tapping_key;
uint16_t prev_keycode = get_record_keycode(&tapping_key, false);
@@ -761,6 +808,35 @@ static void waiting_buffer_process_regular(void) {
}
# endif // CHORDAL_HOLD
+# ifdef FLOW_TAP_TERM
+// By default, enable Flow Tap for the keys in the main alphas area and Space.
+// This should work reasonably even if the layout is remapped on the host to an
+// alt layout or international layout (e.g. Dvorak or AZERTY), where these same
+// key positions are mostly used for typing letters.
+__attribute__((weak)) bool is_flow_tap_key(uint16_t keycode) {
+ if ((get_mods() & (MOD_MASK_CG | MOD_BIT_LALT)) != 0) {
+ return false; // Disable Flow Tap on hotkeys.
+ }
+ switch (get_tap_keycode(keycode)) {
+ case KC_SPC:
+ case KC_A ... KC_Z:
+ case KC_DOT:
+ case KC_COMM:
+ case KC_SCLN:
+ case KC_SLSH:
+ return true;
+ }
+ return false;
+}
+
+__attribute__((weak)) uint16_t get_flow_tap_term(uint16_t keycode, keyrecord_t *record, uint16_t prev_keycode) {
+ if (is_flow_tap_key(keycode) && is_flow_tap_key(prev_keycode)) {
+ return FLOW_TAP_TERM;
+ }
+ return 0;
+}
+# endif // FLOW_TAP_TERM
+
/** \brief Logs tapping key if ACTION_DEBUG is enabled. */
static void debug_tapping_key(void) {
ac_dprintf("TAPPING_KEY=");