BasicScrollPaneUI.MouseWheelHandler (Java SE 11 & JDK 11 )

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()

Method Summary

All Methods Instance Methods Concrete Methods
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 Detail
  - MouseWheelHandler
```
protected MouseWheelHandler()
```
- Method Detail
  - 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