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:

Constructor Summary

MouseWheelHandler()

Modifier	Constructor	Description
`protected`	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 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:

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https://docs.oracle.com/en/java/javase/25/docs/api/java.desktop/javax/swing/plaf/basic/BasicScrollPaneUI.MouseWheelHandler.html