- java.lang.Object
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- java.awt.event.MouseAdapter
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- javax.swing.event.MouseInputAdapter
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- javax.swing.plaf.basic.BasicSliderUI.TrackListener
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- 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 ofFoo.
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Field Summary
Fields Modifier and Type Field Description protected intcurrentMouseXCurrent mouse x.protected intcurrentMouseYCurrent mouse y.protected intoffsetThe offset
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Constructor Summary
Constructors Constructor Description TrackListener()
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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 top/left of the thumb relative to the origin of the track.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.booleanshouldScroll(int direction)Returns if scrolling should occur-
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, mouseExited, 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.- Parameters:
e- the event to be processed
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shouldScroll
public boolean shouldScroll(int direction)
Returns if scrolling should occur- Parameters:
direction- the direction.- Returns:
- if scrolling should occur
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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:
mouseDraggedin interfaceMouseMotionListener- Overrides:
mouseDraggedin classMouseAdapter- Parameters:
e- the event to be processed
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