@Override
		public void actionPerformed( ActionEvent e ) {
			ActionListener action = comboBox.getActionForKeyStroke( keyStroke );
			if( action != null ) {
				action.actionPerformed( new ActionEvent( comboBox, e.getID(),
					e.getActionCommand(), e.getWhen(), e.getModifiers() ) );
			}
		}
Delegates actions from editor text field to combobox.
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatComboBoxUI.java