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 Object

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

Modifier and Type	Method	Description
protected Object	clone()	Creates and returns a copy of this object.
boolean	equals(Object obj)	Indicates whether some other object is "equal to" this one.
protected void	finalize()	Deprecated, for removal: This API element is subject to removal in a future version. Finalization is deprecated and subject to removal in a future release.
final Class<?>	getClass()	Returns the runtime class of this Object.
int	hashCode()	Returns a hash code value for this object.
final void	notify()	Wakes up a single thread that is waiting on this object's monitor.
final void	notifyAll()	Wakes up all threads that are waiting on this object's monitor.
String	toString()	Returns a string representation of the object.
final void	wait()	Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
final void	wait(long timeoutMillis)	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
final void	wait(long timeoutMillis, int nanos)	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

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