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/OpenJDK 21

Class BasicScrollBarUI.ScrollListener

java.lang.Object
javax.swing.plaf.basic.BasicScrollBarUI.ScrollListener
All Implemented Interfaces:
ActionListener, EventListener
Enclosing class:
BasicScrollBarUI
protected class BasicScrollBarUI.ScrollListener extends Object implements ActionListener
Listener for scrolling events initiated in the ScrollPane.

Constructor Summary

Constructor Description
ScrollListener()
Constructs a ScrollListener.
ScrollListener(int dir, boolean block)
Constructs a ScrollListener.

Method Summary

Modifier and Type Method Description
void actionPerformed(ActionEvent e)
Invoked when an action occurs.
void setDirection(int direction)
Sets the direction.
void setScrollByBlock(boolean block)
Sets the scrolling by block

Methods declared in class java.lang.Object

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

Constructor Details

ScrollListener

public ScrollListener()
Constructs a ScrollListener.

ScrollListener

public ScrollListener(int dir, boolean block)
Constructs a ScrollListener.
Parameters:
dir - direction
block - use block increment

Method Details

setDirection

public void setDirection(int direction)
Sets the direction.
Parameters:
direction - the new direction

setScrollByBlock

public void setScrollByBlock(boolean block)
Sets the scrolling by block
Parameters:
block - whether or not to scroll by block

actionPerformed

public void actionPerformed(ActionEvent e)
Invoked when an action occurs.
Specified by:
actionPerformed in interface ActionListener
Parameters:
e - the event to be processed

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Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
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https://docs.oracle.com/en/java/javase/21/docs/api/java.desktop/javax/swing/plaf/basic/BasicScrollBarUI.ScrollListener.html