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.

Constructors

Constructor and Description
FocusHandler()

Methods

Modifier and Type Method and Description
void focusGained(FocusEvent e)

Invoked when a component gains the keyboard focus.
void focusLost(FocusEvent e)

Invoked when a component loses the keyboard focus.

Methods inherited from class java.lang.Object

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

Constructors

FocusHandler

public FocusHandler()

Methods

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

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

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https://docs.oracle.com/javase/8/docs/api/javax/swing/plaf/basic/BasicComboBoxUI.FocusHandler.html