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 |
Constructs a ScrollListener . |
Method Summary
Modifier and Type | Method | Description |
---|---|---|
void |
actionPerformed |
Invoked when an action occurs. |
void |
setDirection |
Sets the direction. |
void |
setScrollByBlock |
Sets the scrolling by block |
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 interfaceActionListener
- Parameters:
-
e
- the event to be processed
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https://docs.oracle.com/en/java/javase/17/docs/api/java.desktop/javax/swing/plaf/basic/BasicScrollBarUI.ScrollListener.html