@Override
	public java.awt.Dimension getPreferredSize() {
		return new Dimension(max_width + 2 * margin_width,
			num_lines * line_height + 2 * margin_height);

	}
This method is called by a layout manager when it wants
to know how big we'd like to be
Ghidra/Framework/Docking/src/main/java/docking/widgets/MultiLineLabel.java