@Override
  public int getControlOffset(@NotNull Control control, int depth, boolean leaf) {
    if (depth <= 0 || leaf) return -1; // do not paint control
    int left = getLeftIndent();
    return depth > 1 ? (depth - 1) * (left + JBUIScale.scale(2)) + left : left;
  }
@Override
  public int getControlOffset(@NotNull Control control, int depth, boolean leaf)