javax.swing.plaf.basic
Class BasicScrollBarUI.TrackListener

java.lang.Object
  java.awt.event.MouseAdapter
      javax.swing.plaf.basic.BasicScrollBarUI.TrackListener

All Implemented Interfaces:

MouseListener, MouseMotionListener, EventListener

Enclosing class:

BasicScrollBarUI

protected class BasicScrollBarUI.TrackListener
extends MouseAdapter
implements MouseMotionListener

Track mouse drags.

Field Summary
protected  int	currentMouseX
protected  int	currentMouseY
protected  int	offset

 

Constructor Summary
protected	BasicScrollBarUI.TrackListener()

 

Method Summary
void	mouseDragged(MouseEvent e)           Set the models value to the position of the thumb's top of Vertical scrollbar, or the left/right of Horizontal scrollbar in left-to-right/right-to-left scrollbar relative to the origin of the track.
void	mouseExited(MouseEvent e)           Invoked when the mouse exits the scrollbar.
void	mouseMoved(MouseEvent e)           Invoked when the mouse cursor has been moved onto a component but no buttons have been pushed.
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.

 

Methods inherited from class java.awt.event.MouseAdapter
mouseClicked, mouseEntered

 

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

BasicScrollBarUI.TrackListener

protected BasicScrollBarUI.TrackListener()

mouseReleased

public void mouseReleased(MouseEvent e)

Description copied from class: MouseAdapter

Invoked when a mouse button has been released on a component.

Specified by:

mouseReleased in interface MouseListener

Overrides:

mouseReleased in class MouseAdapter

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.

Specified by:

mousePressed in interface MouseListener

Overrides:

mousePressed in class MouseAdapter

mouseDragged

public void mouseDragged(MouseEvent e)

Set the models value to the position of the thumb's top of Vertical scrollbar, or the left/right of Horizontal scrollbar in left-to-right/right-to-left scrollbar relative to the origin of the track.

Specified by:

mouseDragged in interface MouseMotionListener

mouseMoved

public void mouseMoved(MouseEvent e)

Description copied from interface: MouseMotionListener

Invoked when the mouse cursor has been moved onto a component but no buttons have been pushed.

Specified by:

mouseMoved in interface MouseMotionListener

mouseExited

public void mouseExited(MouseEvent e)

Invoked when the mouse exits the scrollbar.

Specified by:

mouseExited in interface MouseListener

Overrides:

mouseExited in class MouseAdapter

Parameters:

e - MouseEvent further describing the event

Since:

1.5