- java.lang.Object
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- java.awt.event.MouseAdapter
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- javax.swing.plaf.basic.BasicScrollBarUI.TrackListener
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- All Implemented Interfaces:
MouseListener,MouseMotionListener,MouseWheelListener,EventListener
- Enclosing class:
- BasicScrollBarUI
protected class BasicScrollBarUI.TrackListener extends MouseAdapter implements MouseMotionListener
Track mouse drags.
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Field Summary
Fields Modifier and Type Field Description protected intcurrentMouseXCurrent mouse x positionprotected intcurrentMouseYCurrent mouse y positionprotected intoffsetThe offset
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Constructor Summary
Constructors Modifier Constructor Description protectedTrackListener()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidmouseDragged(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.voidmouseExited(MouseEvent e)Invoked when the mouse exits the scrollbar.voidmousePressed(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.-
Methods declared in class java.awt.event.MouseAdapter
mouseMoved, mouseWheelMoved
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Methods declared in class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods declared in interface java.awt.event.MouseListener
mouseClicked, mouseEntered, mouseReleased
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Methods declared in interface java.awt.event.MouseMotionListener
mouseMoved
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Method Detail
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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:
mousePressedin interfaceMouseListener- Parameters:
e- the event to be processed
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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:
mouseDraggedin interfaceMouseMotionListener- Overrides:
mouseDraggedin classMouseAdapter- Parameters:
e- the event to be processed
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mouseExited
public void mouseExited(MouseEvent e)
Invoked when the mouse exits the scrollbar.- Specified by:
mouseExitedin interfaceMouseListener- Parameters:
e- MouseEvent further describing the event- Since:
- 1.5
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