tap-dance: Code cleanup

Removes a number of duplicated code, by passing actions around instead
of keycodes, so the various dance action functions do not have to look
up the action, but the caller does that for them.

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>

quantum/process_keycode/process_tap_dance.c

@@ -22,7 +22,7 @@ void qk_tap_dance_pair_reset (qk_tap_dance_state_t *state, void *user_data) {
   }
 }
 
-static void _process_tap_dance_action_fn (qk_tap_dance_state_t *state,
+static inline void _process_tap_dance_action_fn (qk_tap_dance_state_t *state,
                                           void *user_data,
                                           qk_tap_dance_user_fn_t fn)
 {
@@ -31,34 +31,33 @@ static void _process_tap_dance_action_fn (qk_tap_dance_state_t *state,
   }
 }
 
-void process_tap_dance_action_on_each_tap (uint16_t keycode)
+static inline void process_tap_dance_action_on_each_tap (qk_tap_dance_action_t action)
 {
-  uint16_t idx = keycode - QK_TAP_DANCE;
-  qk_tap_dance_action_t action;
-
-  action = tap_dance_actions[idx];
-
   _process_tap_dance_action_fn (&qk_tap_dance_state, action.user_data, action.fn.on_each_tap);
 }
 
-void process_tap_dance_action_on_dance_finished (uint16_t keycode)
+static inline void process_tap_dance_action_on_dance_finished (qk_tap_dance_action_t action)
 {
-  uint16_t idx = keycode - QK_TAP_DANCE;
-  qk_tap_dance_action_t action;
-
-  action = tap_dance_actions[idx];
-
   _process_tap_dance_action_fn (&qk_tap_dance_state, action.user_data, action.fn.on_dance_finished);
 }
 
+static inline void process_tap_dance_action_on_reset (qk_tap_dance_action_t action)
+{
+  _process_tap_dance_action_fn (&qk_tap_dance_state, action.user_data, action.fn.on_reset);
+}
+
 bool process_tap_dance(uint16_t keycode, keyrecord_t *record) {
   bool r = true;
+  uint16_t idx = keycode - QK_TAP_DANCE;
+  qk_tap_dance_action_t action;
 
   switch(keycode) {
   case QK_TAP_DANCE ... QK_TAP_DANCE_MAX:
-    process_tap_dance_action_on_each_tap (qk_tap_dance_state.keycode);
+    action = tap_dance_actions[idx];
+
+    process_tap_dance_action_on_each_tap (action);
     if (qk_tap_dance_state.keycode && qk_tap_dance_state.keycode != keycode) {
-      process_tap_dance_action_on_dance_finished (qk_tap_dance_state.keycode);
+      process_tap_dance_action_on_dance_finished (action);
     } else if (qk_tap_dance_state.active && qk_tap_dance_state.pressed) {
       reset_tap_dance (&qk_tap_dance_state);
     } else {
@@ -77,8 +76,11 @@ bool process_tap_dance(uint16_t keycode, keyrecord_t *record) {
   default:
     if (qk_tap_dance_state.keycode) {
       // if we are here, the tap dance was interrupted by a different key
-      process_tap_dance_action_on_each_tap (qk_tap_dance_state.keycode);
-      process_tap_dance_action_on_dance_finished (qk_tap_dance_state.keycode);
+      idx = qk_tap_dance_state.keycode - QK_TAP_DANCE;
+      action = tap_dance_actions[idx];
+
+      process_tap_dance_action_on_each_tap (action);
+      process_tap_dance_action_on_dance_finished (action);
       reset_tap_dance (&qk_tap_dance_state);
       qk_tap_dance_state.active = false;
     }
@@ -91,7 +93,10 @@ bool process_tap_dance(uint16_t keycode, keyrecord_t *record) {
 void matrix_scan_tap_dance () {
   if (qk_tap_dance_state.active && timer_elapsed (qk_tap_dance_state.timer) > TAPPING_TERM) {
     // if we are here, the tap dance was timed out
-    process_tap_dance_action_on_dance_finished (qk_tap_dance_state.keycode);
+    uint16_t idx = qk_tap_dance_state.keycode - QK_TAP_DANCE;
+    qk_tap_dance_action_t action = tap_dance_actions[idx];
+
+    process_tap_dance_action_on_dance_finished (action);
     reset_tap_dance (&qk_tap_dance_state);
   }
 }
@@ -104,9 +109,7 @@ void reset_tap_dance (qk_tap_dance_state_t *state) {
     return;
 
   action = tap_dance_actions[idx];
-  if (action.fn.on_reset) {
-    action.fn.on_reset(state, action.user_data);
-  }
+  process_tap_dance_action_on_reset (action);
 
   state->keycode = 0;
   state->count = 0;