private boolean isSameField(FieldLocation loc1, FieldLocation loc2) {
		if (loc1.getIndex() != loc2.getIndex()) {
			return false;
		}
		return loc1.getFieldNum() == loc2.getFieldNum();
	}
Returns the number of characters in the current active field.
@return the number of characters in the current active field.
Ghidra/Framework/Docking/src/main/java/docking/widgets/fieldpanel/AccessibleFieldPanelDelegate.java