code: func (r *RadioButtons) Draw(screen tcell.Screen) {
  	r.Box.Draw(screen)
  	x, y, width, height := r.GetInnerRect()
  
  	for index, option := range r.options {
  		if index >= height {
  			break
  		}
  		radioButton := "\u25ef" // Unchecked.
  		if index == r.currentOption {
  			radioButton = "\u25c9" // Checked.
  		}
  		line := fmt.Sprintf(`%s[white]  %s`, radioButton, option)
  		tview.Print(screen, line, x, y+index, width, tview.AlignLeft, tcell.ColorYellow)
  	}
  }
docs: // Draw draws this primitive onto the screen.