@Override
		public void add(Object obj, DropTargetDropEvent e, DataFlavor f) {
			AddressSetView view = ((SelectionTransferData) obj).getAddressSet();
			if (view.getNumAddressRanges() == 0) {
				return;
			}
			listener.selectionDropped(view, currentCodeUnit, activeIndex);
		}
Set the mnemonic text and attributes
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/references/InstructionPanel.java