Mouse::scroll(*amount as f32 / 4.0);

    Mouse::scroll(*amount as f32);

#maccel {
  width: 35%;
  height: 2rem;
  margin-top: 1rem;
}

  height: 100vw;

  height: 75vw;
}
.param {
  display: flex;
  flex-direction: column;

  const _scrollSpeedDefaultValue = 5;
  const _scrollSpeedLocalStorageKey = "_scrollSpeed";

  let _scrollSpeed = initScrollSpeed();

  function initScrollSpeed() {
    const data = localStorage.getItem(_scrollSpeedLocalStorageKey);
    return data != null ? Number(data) : _scrollSpeedDefaultValue;
  }

    get scrollSpeed() {
      return _scrollSpeed;
    },
    set scrollSpeed(value) {
      _scrollSpeed = value;
      // without this setItem would be blocking
      setTimeout(() => {
        localStorage.setItem(_scrollSpeedLocalStorageKey, String(value));
      });
    },

  scrollSpeedBinding(scroll_speed);

    const sign = Math.sign(starttouch.y - position.y);

    const scroll = Math.sign(starttouch.y - position.y);

    const scroll = sign * (state.scrollSpeed / 20);

  maccel.value = state.mouseAcceleration;
  maccel.addEventListener("input", (e) => {

  node.value = state.mouseAcceleration;
  maccel_value_display.innerText = `: ${state.mouseAcceleration}`;
  node.addEventListener("input", (e) => {

    maccel_value_display.innerText = `: ${state.mouseAcceleration}`;

function scrollSpeedBinding(node) {
  node.value = state.scrollSpeed;
  scroll_speed_value_display.innerText = `: ${state.scrollSpeed}`;
  node.addEventListener("input", (e) => {
    state.scrollSpeed = Number(e.target.value);
    scroll_speed_value_display.innerText = `: ${state.scrollSpeed}`;
  });
}

          <label for="maccel">mouse acceleration</label>
          <input id="maccel" type="number" />

          <fieldset class="param">
            <label for="maccel"
              >mouse acceleration<span id="maccel_value_display"></span
            ></label>
            <input id="maccel" type="range" min="1" max="20" step="1" />
          </fieldset>
          <fieldset class="param">
            <label for="scroll_speed"
              >scroll speed<span id="scroll_speed_value_display"></span
            ></label>
            <input id="scroll_speed" type="range" min="1" max="20" step="1" />
          </fieldset>

- add horizontal scrolling
- hold click in details in small orange button inside left click button