W3cubDocs

/OpenJDK 21

Class BasicTreeUI.FocusHandler

java.lang.Object
javax.swing.plaf.basic.BasicTreeUI.FocusHandler
All Implemented Interfaces:
FocusListener, EventListener
Enclosing class:
BasicTreeUI
public class BasicTreeUI.FocusHandler extends Object implements FocusListener
Repaints the lead selection row when focus is lost/gained.

Constructor Summary

Constructor Description
FocusHandler()
Constructs a FocusHandler.

Method Summary

Modifier and Type Method Description
void focusGained(FocusEvent e)
Invoked when focus is activated on the tree we're in, redraws the lead row.
void focusLost(FocusEvent e)
Invoked when focus is activated on the tree we're in, redraws the lead row.

Methods declared in class java.lang.Object

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

Constructor Details

FocusHandler

public FocusHandler()
Constructs a FocusHandler.

Method Details

focusGained

public void focusGained(FocusEvent e)
Invoked when focus is activated on the tree we're in, redraws the lead row.
Specified by:
focusGained in interface FocusListener
Parameters:
e - the event to be processed

focusLost

public void focusLost(FocusEvent e)
Invoked when focus is activated on the tree we're in, redraws the lead row.
Specified by:
focusLost in interface FocusListener
Parameters:
e - the event to be processed

© 1993, 2023, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
https://docs.oracle.com/en/java/javase/21/docs/api/java.desktop/javax/swing/plaf/basic/BasicTreeUI.FocusHandler.html