# LEDs/LED-Palette-Theme/LED-Palette-Theme.ino
``` c++
,/* -*- mode: c++ -*-
 * Kaleidoscope-LED-Palette-Theme -- Palette-based LED theme foundation
 * Copyright (C) 2017, 2018  Keyboard.io, Inc
 *
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, version 3.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include <Kaleidoscope.h>
#include <Kaleidoscope-LEDControl.h>
#include <Kaleidoscope-LED-Palette-Theme.h>
#include <Kaleidoscope-EEPROM-Settings.h>
#include <Kaleidoscope-FocusSerial.h>

namespace example {

class TestLEDMode : public kaleidoscope::plugin::LEDMode {
 public:
  TestLEDMode() {}

  kaleidoscope::EventHandlerResult onFocusEvent(const char *input);

 protected:
  void setup() final;
  void update(void) final;

 private:
  static uint16_t map_base_;
};

uint16_t TestLEDMode::map_base_;

void TestLEDMode::setup() {
  map_base_ = LEDPaletteTheme.reserveThemes(1);
}

void TestLEDMode::update(void) {
  LEDPaletteTheme.updateHandler(map_base_, 0);
}

kaleidoscope::EventHandlerResult
TestLEDMode::onFocusEvent(const char *input) {
  return LEDPaletteTheme.themeFocusEvent(input, PSTR("testLedMode.map"), map_base_, 1);
}

}  // namespace example

example::TestLEDMode TestLEDMode;

// clang-format off
KEYMAPS(
  [0] = KEYMAP_STACKED
  (
    Key_LEDEffectNext, Key_1, Key_2, Key_3, Key_4, Key_5, Key_LEDEffectNext,
    Key_Backtick,      Key_Q, Key_W, Key_E, Key_R, Key_T, Key_Tab,
    Key_PageUp,        Key_A, Key_S, Key_D, Key_F, Key_G,
    Key_PageDown,      Key_Z, Key_X, Key_C, Key_V, Key_B, Key_Escape,

    Key_LeftControl, Key_Backspace, Key_LeftGui, Key_LeftShift,
    Key_NoKey,

    Key_skip,  Key_6, Key_7, Key_8,     Key_9,      Key_0,         Key_skip,
    Key_Enter, Key_Y, Key_U, Key_I,     Key_O,      Key_P,         Key_Equals,
               Key_H, Key_J, Key_K,     Key_L,      Key_Semicolon, Key_Quote,
    Key_skip,  Key_N, Key_M, Key_Comma, Key_Period, Key_Slash,     Key_Minus,

    Key_RightShift, Key_RightAlt, Key_Spacebar, Key_RightControl,
    Key_NoKey),
)
// clang-format on

KALEIDOSCOPE_INIT_PLUGINS(Focus, LEDPaletteTheme, TestLEDMode, EEPROMSettings);

void setup() {
  Kaleidoscope.setup();

  TestLEDMode.activate();
}

void loop() {
  Kaleidoscope.loop();
}

```