Class BasicMenuUI.ChangeHandler

java.lang.Object
javax.swing.plaf.basic.BasicMenuUI.ChangeHandler
All Implemented Interfaces:
EventListener, ChangeListener
Enclosing class:
BasicMenuUI
public class BasicMenuUI.ChangeHandler extends Object implements ChangeListener
As of Java 2 platform 1.4, this previously undocumented class is now obsolete. KeyBindings are now managed by the popup menu.

Field Summary

Modifier and Type Field Description
boolean isSelected
true if an item of popup menu is selected.
JMenu menu
The instance of JMenu.
BasicMenuUI ui
The instance of BasicMenuUI.
Component wasFocused
The component that was focused.

Constructor Summary

Constructor Description
ChangeHandler(JMenu m, BasicMenuUI ui)
Constructs a new instance of ChangeHandler.

Method Summary

Modifier and Type Method Description
void stateChanged(ChangeEvent e)
Invoked when the target of the listener has changed its state.

Methods declared in class java.lang.Object

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

Field Details

ui

public BasicMenuUI ui
The instance of BasicMenuUI.

isSelected

public boolean isSelected
true if an item of popup menu is selected.

wasFocused

public Component wasFocused
The component that was focused.

Constructor Details

ChangeHandler

public ChangeHandler(JMenu m, BasicMenuUI ui)
Constructs a new instance of ChangeHandler.
Parameters:
m - an instance of JMenu
ui - an instance of BasicMenuUI

Method Details

stateChanged

public void stateChanged(ChangeEvent e)
Description copied from interface: ChangeListener
Invoked when the target of the listener has changed its state.
Specified by:
stateChanged in interface ChangeListener
Parameters:
e - a ChangeEvent object

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https://docs.oracle.com/en/java/javase/17/docs/api/java.desktop/javax/swing/plaf/basic/BasicMenuUI.ChangeHandler.html