@Override
		public void mouseEntered(MouseEvent e) {
			if (!locked) {
				JLabel label = (JLabel) e.getSource();
				label.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
			}
		}
Set the mnemonic text and attributes
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/references/InstructionPanel.java