[Keyboard] move enum_layers in keymaps, in sync with the other mlego/m* (#15832)

keyboards/mlego/m48/keymaps/default/keymap.c

@@ -17,6 +17,13 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include QMK_KEYBOARD_H
 
+enum layer_names {
+    _QW = 0,
+    _LWR,
+    _RSE,
+    _ADJ
+};
+
 #ifdef RGBLIGHT_ENABLE
 
 const rgblight_segment_t PROGMEM my_qwerty_layer[] = RGBLIGHT_LAYER_SEGMENTS({0, RGBLED_NUM, HSV_PURPLE});
@@ -148,14 +155,6 @@ bool process_record_user(uint16_t keycode, keyrecord_t* record) {
     }
 }
 
-#ifdef ENCODER_ENABLE
-
-bool encoder_update_user(uint8_t index, bool clockwise) {
-    my_encoders(index, clockwise);
-    return true;
-}
-#endif
-
 layer_state_t layer_state_set_user(layer_state_t state) {
 #ifdef RGBLIGHT_ENABLE
 
@@ -180,3 +179,38 @@ void keyboard_post_init_user(void) {
     rgblight_layers = my_rgb_layers;
 }
 #endif
+
+#ifdef ENCODER_ENABLE
+
+#    define MEDIA_KEY_DELAY 10
+
+static inline void my_encoders(const uint8_t index, const bool clockwise) {
+    if (index == 0) { /* First encoder */
+        if (IS_LAYER_ON(_LWR)) {
+            if (clockwise) {
+                rgblight_decrease_val_noeeprom();
+            } else {
+                rgblight_increase_val_noeeprom();
+            }
+        } else if (IS_LAYER_ON(_RSE)) {
+            if (clockwise) {
+                rgblight_decrease_hue_noeeprom();
+            } else {
+                rgblight_increase_hue_noeeprom();
+            }
+
+        } else {
+            if (clockwise) {
+                tap_code_delay(KC_VOLD, MEDIA_KEY_DELAY);
+            } else {
+                tap_code_delay(KC_VOLU, MEDIA_KEY_DELAY);
+            }
+        }
+    }
+}
+
+bool encoder_update_user(uint8_t index, bool clockwise) {
+    my_encoders(index, clockwise);
+    return true;
+}
+#endif