@Override
		public Component getListCellRendererComponent(JList<?> list, Object value, int index,
				boolean isSelected, boolean cellHasFocus) {

			if (value == null) {
				// It's possible during a close program operation to have this 
				// renderer called with a null value. If so, we can't get the 
				// function so just use the default renderer.
				return super.getListCellRendererComponent(list, value, index, isSelected,
					cellHasFocus);
			}

			Function f = (Function) value;

			String functionName = f.getName();
			String functionPathToProgram = f.getProgram().getDomainFile().getPathname();
			Address functionAddress = f.getEntryPoint();
			String text = functionName + "@" + functionAddress + " (" + functionPathToProgram + ")";

			return super.getListCellRendererComponent(list, text, index, isSelected, cellHasFocus);
		}
Cell renderer for combo boxes that changes the default display to show
both the function name and the program it comes from
Ghidra/Features/CodeCompare/src/main/java/ghidra/features/codecompare/plugin/MultiFunctionComparisonPanel.java