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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

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
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

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