BasicComboBoxUI.FocusHandler (Java SE 11 & JDK 11 )

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 Detail
  - FocusHandler
```
public FocusHandler()
```