java.lang.Object
java.awt.event.MouseAdapter
javax.swing.event.MouseInputAdapter
javax.swing.plaf.basic.BasicSliderUI.TrackListener
- 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 of
Foo
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Field Summary
Fields Modifier and Type Field Description protected int
currentMouseX
Current mouse x.protected int
currentMouseY
Current mouse y.protected int
offset
The offset -
Constructor Summary
Constructors Constructor Description TrackListener()
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Method Summary
Modifier and Type Method Description 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
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.boolean
shouldScroll(int direction)
Returns if scrolling should occurMethods declared in class java.awt.event.MouseAdapter
mouseMoved, mouseWheelMoved
Methods declared in class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods declared in interface java.awt.event.MouseListener
mouseClicked, mouseEntered, mouseExited, mouseReleased
Methods declared in interface java.awt.event.MouseMotionListener
mouseMoved
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Field Details
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offset
protected transient int offsetThe offset -
currentMouseX
protected transient int currentMouseXCurrent mouse x. -
currentMouseY
protected transient int currentMouseYCurrent mouse y.
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Constructor Details
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TrackListener
public TrackListener()
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Method Details
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mousePressed
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
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 interfaceMouseMotionListener
- Overrides:
mouseDragged
in classMouseAdapter
- Parameters:
e
- the event to be processed
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