#include QMK_KEYBOARD_H const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {__KEYMAP_GOES_HERE__}; void encoder_update_user(uint8_t index, bool clockwise) { if (index == 0) { switch (get_highest_layer(layer_state)) { case 0: if (clockwise) { tap_code(KC_MS_R); } else { tap_code(KC_MS_L); } break; default: if (clockwise) { tap_code(KC_EQL); } else { tap_code(KC_MINS); } break; } } else if (index == 1) { switch (get_highest_layer(layer_state)) { case 0: if (clockwise) { tap_code(KC_VOLU); } else { tap_code(KC_VOLD); } break; default: if (clockwise) { tap_code(KC_RIGHT); } else { tap_code(KC_LEFT); } break; } } }