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## javax.swing.plaf.basic
Class BasicSliderUI.TrackListener

    java.lang.Object
      |
      +--javax.swing.event.MouseInputAdapter
            |
            +--javax.swing.plaf.basic.BasicSliderUI.TrackListener

All Implemented Interfaces:
  EventListener, MouseInputListener, MouseListener, MouseMotionListener

Enclosing class:
  BasicSliderUI

public class BasicSliderUI.TrackListener
extends MouseInputAdapter

Track mouse movements. This inner class is marked "public" due to a compiler bug. This class should be treated as a "protected" inner class. Instantiate it only within subclasses of .

Field Summary
`protected int` | `currentMouseX`
`protected int` | `currentMouseY`
`protected int` | `offset`

Constructor Summary
`BasicSliderUI.TrackListener()`

Method Summary
`void` | `mouseDragged(MouseEvent e)` Set the models value to the position of the top/left of the thumb relative to the origin of the track.
`void` | `mouseMoved(MouseEvent e)` Invoked when the mouse button has been moved on a component (with no buttons no down).
`void` | `mousePressed(MouseEvent e)` If the mouse is pressed above the "thumb" component then reduce the scrollbars value by one page ("page up"), otherwise increase it by one page.
`void` | `mouseReleased(MouseEvent e)` Invoked when a mouse button has been released on a component.
`boolean` | `shouldScroll(int direction)`

Methods inherited from class javax.swing.event.MouseInputAdapter
`mouseClicked, mouseEntered, mouseExited`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### offset

    protected transient int offset

### currentMouseX

    protected transient int currentMouseX

### currentMouseY

    protected transient int currentMouseY

Constructor Detail

### BasicSliderUI.TrackListener

    public BasicSliderUI.TrackListener()

Method Detail

### mouseReleased

    public void mouseReleased(MouseEvent e)

  Description copied from interface: `MouseListener`
  Invoked when a mouse button has been released on a component.
  Overrides:
    `mouseReleased` in class `MouseInputAdapter`

### mousePressed

    public void mousePressed(MouseEvent e)

  If the mouse is pressed above the "thumb" component then reduce the scrollbars value by one page ("page up"), otherwise increase it by one page. If there is no thumb then page up if the mouse is in the upper half of the track.
  Overrides:
    `mousePressed` in class `MouseInputAdapter`

### shouldScroll

    public boolean shouldScroll(int direction)

### mouseDragged

    public void mouseDragged(MouseEvent e)

  Set the models value to the position of the top/left of the thumb relative to the origin of the track.
  Overrides:
    `mouseDragged` in class `MouseInputAdapter`

### mouseMoved

    public void mouseMoved(MouseEvent e)

  Description copied from interface: `MouseMotionListener`
  Invoked when the mouse button has been moved on a component (with no buttons no down).
  Overrides:
    `mouseMoved` in class `MouseInputAdapter`

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