@Override
	public int findLayoutAt(int y) {
		for (int i = 0; i < layouts.size(); i++) {
			if (layouts.get(i).contains(y)) {
				return i;
			}
		}
		return -1;
	}
Constructor.

@param layouts the set of layouts that are currently visible on the screen
@param map the map containing the addresses by index
Ghidra/Features/Base/src/main/java/ghidra/app/util/viewer/util/VerticalPixelAddressMapImpl.java