Add 'stealth' LED indicators: warning of capslock; numlock only when in number layer

keymap/keymap.c

@@ -149,9 +149,13 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 
 };
 
-/*
-// Following disables the default LED indicators:
+int capslock = 0;
+int numlock = 0;
+
 bool led_update_user(led_t led_state) {
+    numlock = led_state.num_lock;
+    capslock = led_state.caps_lock;
+    // Following disables the default LED indicators:
     return false;
 }
 /**/
@@ -162,6 +166,9 @@ void matrix_scan_user(void) {
     uint8_t layer = biton32(layer_state);
 
     ergodox_board_led_off();
+    ergodox_right_led_1_off();
+    ergodox_right_led_2_off();
+    ergodox_right_led_3_off();
 
     switch (layer) {
         case FNCK:
@@ -169,10 +176,15 @@ void matrix_scan_user(void) {
             break;
         case NUMB:
             ergodox_board_led_on();
+            if (numlock) {
+                ergodox_right_led_1_on();
+            }
             break;
         
         default:
-                // none
+            if (capslock) {
+                ergodox_right_led_2_on();
+            }
             break;
     }