private boolean isInvisibleXRef(Object clickedObject) {

		String clickedText = getText(clickedObject);
		if (XRefFieldFactory.MORE_XREFS_STRING.equals(clickedText)) {
			return true;
		}

		if (clickedObject instanceof StrutFieldElement) {
			// this implies that the xrefs field has been clipped and has used a struct to trigger
			// clipping
			return true;
		}
		return false;
	}
A handler to process {@link XRefFieldMouseHandler} clicks
Ghidra/Features/Base/src/main/java/ghidra/app/util/viewer/field/XRefFieldMouseHandler.java