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javax.swing.plaf.basic
Class BasicScrollBarUI.TrackListener


java.lang.Object
  extended by java.awt.event.MouseAdapter
      extended by javax.swing.plaf.basic.BasicScrollBarUI.TrackListener
All Implemented Interfaces:
MouseListener , MouseMotionListener , MouseWheelListener , 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 , mouseWheelMoved
 
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

BasicScrollBarUI.TrackListener


protected BasicScrollBarUI.TrackListener()
Method Detail

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
Overrides:
mouseDragged in class MouseAdapter

mouseMoved


public void mouseMoved(MouseEvent e)
Description copied from class: MouseAdapter 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 MouseAdapter

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