Module java.desktop

Package javax.swing.plaf.basic

Class BasicSliderUI.TrackListener

java.lang.Object

java.awt.event.MouseAdapter

javax.swing.event.MouseInputAdapter

javax.swing.plaf.basic.BasicSliderUI.TrackListener

All Implemented Interfaces:

MouseListener, MouseMotionListener, MouseWheelListener, EventListener, MouseInputListener

Enclosing class:

BasicSliderUI

public class BasicSliderUI.TrackListener
extends MouseInputAdapter

Track mouse movements. This class should be treated as a "protected" inner class. Instantiate it only within subclasses of Foo.

Field Summary

Fields

Modifier and Type	Field	Description
protected int	currentMouseX	Current mouse x.
protected int	currentMouseY	Current mouse y.
protected int	offset	The offset

Constructor Summary

Constructors

Constructor	Description
TrackListener()	Constructs a TrackListener.

Method Summary

Modifier and Type	Method	Description
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 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.
boolean	shouldScroll(int direction)	Returns if scrolling should occur

Methods declared in class java.awt.event.MouseAdapter

mouseClicked, mouseEntered, mouseExited, mouseMoved, mouseReleased, mouseWheelMoved

Methods declared in class java.lang.Object

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

Methods declared in interface java.awt.event.MouseListener

mouseClicked, mouseEntered, mouseExited

Field Details

offset

protected transient int offset

The offset

currentMouseX

protected transient int currentMouseX

Current mouse x.

currentMouseY

protected transient int currentMouseY

Current mouse y.

Constructor Details

TrackListener

public TrackListener()

Constructs a TrackListener.

Method Details

mouseReleased

public void mouseReleased(MouseEvent e)

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

Parameters:

e - the event to be processed

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.

Parameters:

e - the event to be processed

shouldScroll

public boolean shouldScroll(int direction)

Returns if scrolling should occur

Parameters:

direction - the direction.

Returns:

if scrolling should occur

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.

Specified by:

mouseDragged in interface MouseMotionListener

Overrides:

mouseDragged in class MouseAdapter

Parameters:

e - the event to be processed

mouseMoved

public void mouseMoved(MouseEvent e)

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

Specified by:

mouseMoved in interface MouseMotionListener

Overrides:

mouseMoved in class MouseAdapter

Parameters:

e - the event to be processed