- 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.voidmouseMoved(MouseEvent e)Invoked when the mouse cursor has been moved onto a component but no buttons have been pushed.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.voidmouseReleased(MouseEvent e)Invoked when a mouse button has been released on a component.-
Methods inherited from class java.awt.event.MouseAdapter
mouseClicked, mouseEntered, mouseWheelMoved
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Method Detail
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mouseReleased
public void mouseReleased(MouseEvent e)
Invoked when a mouse button has been released on a component.- Specified by:
mouseReleasedin interfaceMouseListener- Overrides:
mouseReleasedin classMouseAdapter- Parameters:
e- the event to be processed
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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- Overrides:
mousePressedin classMouseAdapter- 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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mouseMoved
public void mouseMoved(MouseEvent e)
Invoked when the mouse cursor has been moved onto a component but no buttons have been pushed.- Specified by:
mouseMovedin interfaceMouseMotionListener- Overrides:
mouseMovedin 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- Overrides:
mouseExitedin classMouseAdapter- Parameters:
e- MouseEvent further describing the event- Since:
- 1.5
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