protected ListingModelAdapter createLayoutModel(ListingModel model) {
		ListingModelAdapter modelAdapter = new ListingModelAdapter(model);
		modelAdapter.addLayoutModelListener(layoutModelListener);
		return modelAdapter;
	}
A width for new windows that shows a reasonable amount of the Listing

@return the width
Ghidra/Features/Base/src/main/java/ghidra/app/util/viewer/listingpanel/ListingPanel.java