1 files changed, 62 insertions, 0 deletions

diff --git a/quantum/process_keycode/process_tap_dance.h b/quantum/process_keycode/process_tap_dance.h
new file mode 100644
index 000000000..b9d7c7fcf
--- /dev/null
+++ b/quantum/process_keycode/process_tap_dance.h
@@ -0,0 +1,62 @@
+#ifndef PROCESS_TAP_DANCE_H
+#define PROCESS_TAP_DANCE_H
+
+#ifdef TAP_DANCE_ENABLE
+
+#include <stdbool.h>
+#include <inttypes.h>
+
+typedef struct
+{
+  uint8_t count;
+  uint16_t keycode;
+  uint16_t timer;
+} qk_tap_dance_state_t;
+
+#define TD(n) (QK_TAP_DANCE + n)
+
+typedef enum
+{
+  QK_TAP_DANCE_TYPE_PAIR,
+  QK_TAP_DANCE_TYPE_FN,
+} qk_tap_dance_type_t;
+
+typedef void (*qk_tap_dance_user_fn_t) (qk_tap_dance_state_t *state);
+
+typedef struct
+{
+  qk_tap_dance_type_t type;
+  union {
+    struct {
+      uint16_t kc1;
+      uint16_t kc2;
+    } pair;
+    qk_tap_dance_user_fn_t fn;
+  };
+} qk_tap_dance_action_t;
+
+#define ACTION_TAP_DANCE_DOUBLE(kc1, kc2) { \
+    .type = QK_TAP_DANCE_TYPE_PAIR,         \
+    .pair = { kc1, kc2 }                    \
+  }
+
+#define ACTION_TAP_DANCE_FN(user_fn) { \
+    .type = QK_TAP_DANCE_TYPE_FN, \
+    .fn = user_fn                 \
+  }
+
+extern const qk_tap_dance_action_t tap_dance_actions[];
+
+/* To be used internally */
+
+bool process_tap_dance(uint16_t keycode, keyrecord_t *record);
+void matrix_scan_tap_dance (void);
+void reset_tap_dance (qk_tap_dance_state_t *state);
+
+#else
+
+#define TD(n) KC_NO
+
+#endif
+
+#endif