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-rw-r--r--quantum/process_keycode/process_tap_dance.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/quantum/process_keycode/process_tap_dance.c b/quantum/process_keycode/process_tap_dance.c
new file mode 100644
index 000000000..9b172e1b6
--- /dev/null
+++ b/quantum/process_keycode/process_tap_dance.c
@@ -0,0 +1,90 @@
+#include "quantum.h"
+
+static qk_tap_dance_state_t qk_tap_dance_state;
+
+static void _process_tap_dance_action_pair (qk_tap_dance_state_t *state,
+ uint16_t kc1, uint16_t kc2) {
+ uint16_t kc;
+
+ if (state->count == 0)
+ return;
+
+ kc = (state->count == 1) ? kc1 : kc2;
+
+ register_code (kc);
+ unregister_code (kc);
+
+ if (state->count >= 2) {
+ reset_tap_dance (state);
+ }
+}
+
+static void _process_tap_dance_action_fn (qk_tap_dance_state_t *state,
+ qk_tap_dance_user_fn_t fn)
+{
+ fn(state);
+}
+
+void process_tap_dance_action (uint16_t keycode)
+{
+ uint16_t idx = keycode - QK_TAP_DANCE;
+ qk_tap_dance_action_t action;
+
+ action = tap_dance_actions[idx];
+
+ switch (action.type) {
+ case QK_TAP_DANCE_TYPE_PAIR:
+ _process_tap_dance_action_pair (&qk_tap_dance_state,
+ action.pair.kc1, action.pair.kc2);
+ break;
+ case QK_TAP_DANCE_TYPE_FN:
+ _process_tap_dance_action_fn (&qk_tap_dance_state, action.fn);
+ break;
+
+ default:
+ break;
+ }
+}
+
+bool process_tap_dance(uint16_t keycode, keyrecord_t *record) {
+ bool r = true;
+
+ switch(keycode) {
+ case QK_TAP_DANCE ... QK_TAP_DANCE_MAX:
+ if (qk_tap_dance_state.keycode && qk_tap_dance_state.keycode != keycode) {
+ process_tap_dance_action (qk_tap_dance_state.keycode);
+ } else {
+ r = false;
+ }
+
+ if (record->event.pressed) {
+ qk_tap_dance_state.keycode = keycode;
+ qk_tap_dance_state.timer = timer_read ();
+ qk_tap_dance_state.count++;
+ }
+ break;
+
+ default:
+ if (qk_tap_dance_state.keycode) {
+ process_tap_dance_action (qk_tap_dance_state.keycode);
+
+ reset_tap_dance (&qk_tap_dance_state);
+ }
+ break;
+ }
+
+ return r;
+}
+
+void matrix_scan_tap_dance () {
+ if (qk_tap_dance_state.keycode && timer_elapsed (qk_tap_dance_state.timer) > TAPPING_TERM) {
+ process_tap_dance_action (qk_tap_dance_state.keycode);
+
+ reset_tap_dance (&qk_tap_dance_state);
+ }
+}
+
+void reset_tap_dance (qk_tap_dance_state_t *state) {
+ state->keycode = 0;
+ state->count = 0;
+}