1 files changed, 33 insertions, 0 deletions

diff --git a/users/billypython/tap_dance.c b/users/billypython/tap_dance.c
new file mode 100644
index 000000000..74ae16639
--- /dev/null
+++ b/users/billypython/tap_dance.c
@@ -0,0 +1,33 @@
+#include "tap_dance.h"
+
+#define ACTION_TAP_DANCE_DOUBLE_MODS(mod1, mod2) { \
+    .fn = { td_double_mods_each, NULL, td_double_mods_reset }, \
+    .user_data = &(qk_tap_dance_pair_t){ mod1, mod2 }, \
+  }
+
+void td_double_mods_each(qk_tap_dance_state_t *state, void *user_data) {
+  qk_tap_dance_pair_t *mods = (qk_tap_dance_pair_t *)user_data;
+  // Single tap → mod1, double tap → mod2, triple tap etc. → mod1+mod2
+  if (state->count == 1 || state->count == 3) {
+    register_code(mods->kc1);
+  } else if (state->count == 2) {
+    unregister_code(mods->kc1);
+    register_code(mods->kc2);
+  }
+  // Prevent tap dance from sending kc1 and kc2 as weak mods
+  state->weak_mods &= ~(MOD_BIT(mods->kc1) | MOD_BIT(mods->kc2));
+}
+
+void td_double_mods_reset(qk_tap_dance_state_t *state, void *user_data) {
+  qk_tap_dance_pair_t *mods = (qk_tap_dance_pair_t *)user_data;
+  if (state->count == 1 || state->count >= 3) {
+    unregister_code(mods->kc1);
+  }
+  if (state->count >= 2) {
+    unregister_code(mods->kc2);
+  }
+}
+
+qk_tap_dance_action_t tap_dance_actions[] = {
+  [TD_RSF_RCT] = ACTION_TAP_DANCE_DOUBLE_MODS(KC_RSFT, KC_RCTL),
+};