javax.swing.plaf.basic

Class BasicScrollBarUI.TrackListener

Enclosing Class:
BasicScrollBarUI
Implemented Interfaces:
EventListener, MouseListener, MouseMotionListener

protected class BasicScrollBarUI.TrackListener
extends MouseAdapter
implements MouseMotionListener

Helper class that listens for movement on the track.

Field Summary

protected int
currentMouseX
The current X coordinate of the mouse.
protected int
currentMouseY
The current Y coordinate of the mouse.
protected int
offset
The offset between the current mouse cursor and the current value of the scrollbar.

Method Summary

void
mouseDragged(MouseEvent e)
This method is called when the mouse is being dragged.
void
mouseMoved(MouseEvent e)
This method is called when the mouse is moved.
void
mousePressed(MouseEvent e)
This method is called when the mouse is pressed.
void
mouseReleased(MouseEvent e)
This method is called when the mouse is released.

Methods inherited from class java.awt.event.MouseAdapter

mouseClicked, mouseEntered, mouseExited, mousePressed, mouseReleased

Methods inherited from class java.lang.Object

clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

currentMouseX

protected int currentMouseX
The current X coordinate of the mouse.

currentMouseY

protected int currentMouseY
The current Y coordinate of the mouse.

offset

protected int offset
The offset between the current mouse cursor and the current value of the scrollbar.

Method Details

mouseDragged

public void mouseDragged(MouseEvent e)
This method is called when the mouse is being dragged.
Specified by:
mouseDragged in interface MouseMotionListener
Parameters:
e - The MouseEvent given.

mouseMoved

public void mouseMoved(MouseEvent e)
This method is called when the mouse is moved.
Specified by:
mouseMoved in interface MouseMotionListener
Parameters:
e - The MouseEvent given.

mousePressed

public void mousePressed(MouseEvent e)
This method is called when the mouse is pressed. When it is pressed, the thumb should move in blocks towards the cursor.
Specified by:
mousePressed in interface MouseListener
Overrides:
mousePressed in interface MouseAdapter
Parameters:
e - The MouseEvent given.

mouseReleased

public void mouseReleased(MouseEvent e)
This method is called when the mouse is released. It should stop movement on the thumb
Specified by:
mouseReleased in interface MouseListener
Overrides:
mouseReleased in interface MouseAdapter
Parameters:
e - The MouseEvent given.

BasicScrollBarUI.java -- Copyright (C) 2004, 2005, 2006, Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.