BasicComboBoxUI.FocusHandler (Java SE 13 & JDK 13 )
Description: declaration: module: java.desktop, package: javax.swing.plaf.basic, class: BasicComboBoxUI, class: FocusHandler
Keywords: javax.swing.plaf.basic.BasicComboBoxUI.FocusHandler class

Module java.desktop
Package javax.swing.plaf.basic

# Class BasicComboBoxUI.FocusHandler

java.lang.Object
javax.swing.plaf.basic.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 Summary

  Constructors
  Constructor | Description
  --- | ---
  `FocusHandler()` |

- ## Method Summary

  ### Methods declared in class java.lang.Object

  `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

  ### Methods declared in interface java.awt.event.FocusListener

  `focusGained, focusLost`

- ## Constructor Details

  - ### FocusHandler

    public FocusHandler()