@Override
		public Dimension getPreferredSize() {
			// assume horizontal
			return new Dimension(0, separatorHeight);
		}
Constructor

@param owner the action owner
@param topName the name that will appear above the separator bar
@param bottomName the name that will appear below the separator bar
Ghidra/Framework/Docking/src/main/java/docking/menu/HorizontalRuleAction.java