当前页面:
在线文档首页 >
JDK 5 Documentation v1.5.0, Java 2 SDK 英文文档
BasicSliderUI.TrackListener (Java 2 Platform SE 5.0) - JDK 5 Documentation v1.5.0, Java 2 SDK 英文文档
javax.swing.plaf.basic
Class BasicSliderUI.TrackListener
java.lang.Object
javax.swing.event.MouseInputAdapter
javax.swing.plaf.basic.BasicSliderUI.TrackListener
- All Implemented Interfaces:
- MouseListener, MouseMotionListener, 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 .
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 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)
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
offset
protected transient int offset
currentMouseX
protected transient int currentMouseX
currentMouseY
protected transient int currentMouseY
BasicSliderUI.TrackListener
public BasicSliderUI.TrackListener()
mouseReleased
public void mouseReleased(MouseEvent e)
- Description copied from interface:
MouseListener
- Invoked when a mouse button has been released on a component.
- Specified by:
mouseReleased
in interface MouseListener
- 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.
- Specified by:
mousePressed
in interface MouseListener
- 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.
- Specified by:
mouseDragged
in interface MouseMotionListener
- Overrides:
mouseDragged
in class MouseInputAdapter
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
- Overrides:
mouseMoved
in class MouseInputAdapter
Submit a bug or feature
For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples. Copyright 2004 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.