Module java.desktop

Class BasicComboBoxUI.FocusHandler

  • All Implemented Interfaces:
    FocusListener, EventListener
    Enclosing class:
    BasicComboBoxUI


    public class BasicComboBoxUI.FocusHandler
    extends Object
    implements FocusListener
    This listener hides the popup when the focus is lost. It also repaints when focus is gained or lost. This public inner class should be treated as protected. Instantiate it only within subclasses of BasicComboBoxUI.
    • Constructor Detail

      • FocusHandler

        public FocusHandler​()
    • Method Detail

      • focusGained

        public void focusGained​(FocusEvent e)
        Description copied from interface: FocusListener
        Invoked when a component gains the keyboard focus.
        Specified by:
        focusGained in interface FocusListener
        Parameters:
        e - the event to be processed
      • focusLost

        public void focusLost​(FocusEvent e)
        Description copied from interface: FocusListener
        Invoked when a component loses the keyboard focus.
        Specified by:
        focusLost in interface FocusListener
        Parameters:
        e - the event to be processed