Module java.desktop

Package javax.swing.plaf.basic

Class BasicScrollPaneUI.MouseWheelHandler

java.lang.Object

javax.swing.plaf.basic.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

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	MouseWheelHandler()	Constructs a MouseWheelHandler.

Method Summary

Modifier and Type	Method	Description
void	mouseWheelMoved(MouseWheelEvent e)	Called when the mouse wheel is rotated while over a JScrollPane.

Methods declared in class java.lang.Object

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

Constructor Details

MouseWheelHandler

protected MouseWheelHandler()

Constructs a MouseWheelHandler.

Method Details

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