@Override
		public void mousePressed(MouseEvent e) {
			if (!locked) {
				JLabel label = (JLabel) e.getSource();
				updateActiveIndex(getLabelIndex(label), -1);
			}
		}
Set the mnemonic text and attributes
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/references/InstructionPanel.java