Class BasicScrollPaneUI.MouseWheelHandler

All Implemented Interfaces:
MouseWheelListener, EventListener
Enclosing class:
BasicScrollPaneUI

protected class BasicScrollPaneUI.MouseWheelHandler
extends Object
implements MouseWheelListener

MouseWheelHandler is an inner class which implements the MouseWheelListener interface. MouseWheelHandler responds to MouseWheelEvents by scrolling the JScrollPane appropriately. If the scroll pane's isWheelScrollingEnabled method returns false, no scrolling occurs.

Since:
1.4
See Also:
JScrollPane.isWheelScrollingEnabled(), BasicScrollPaneUI.createMouseWheelListener(), MouseWheelListener, MouseWheelEvent

Constructors

Modifier Constructor and Description
protected MouseWheelHandler()

Methods

Modifier and Type Method and Description
void mouseWheelMoved(MouseWheelEvent e)

Called when the mouse wheel is rotated while over a JScrollPane.

Methods inherited from class java.lang.Object

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

Constructors

MouseWheelHandler

protected MouseWheelHandler()

Methods

mouseWheelMoved

public void mouseWheelMoved(MouseWheelEvent e)

Called when the mouse wheel is rotated while over a JScrollPane.

Specified by:
mouseWheelMoved in interface MouseWheelListener
Parameters:
e - MouseWheelEvent to be handled
Since:
1.4
See Also:
MouseWheelEvent

© 1993, 2020, 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/javase/8/docs/api/javax/swing/plaf/basic/BasicScrollPaneUI.MouseWheelHandler.html