javax.swing.plaf.basic
Class BasicScrollBarUI.TrackListener
- 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 and Description protected intcurrentMouseXprotected intcurrentMouseYprotected intoffset
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Constructor Summary
Constructors Modifier Constructor and Description protectedTrackListener()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method and 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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Field Detail
offset
protected transient int offset
currentMouseX
protected transient int currentMouseX
currentMouseY
protected transient int currentMouseY
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Method Detail
mouseReleased
public void mouseReleased(MouseEvent e)
Description copied from class:MouseAdapterInvoked when a mouse button has been released on a component.- Specified by:
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mouseReleasedin interfaceMouseListener - Overrides:
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mouseReleasedin classMouseAdapter
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:
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mousePressedin interfaceMouseListener - Overrides:
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mousePressedin classMouseAdapter
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:
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mouseDraggedin interfaceMouseMotionListener - Overrides:
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mouseDraggedin classMouseAdapter
mouseMoved
public void mouseMoved(MouseEvent e)
Description copied from class:MouseAdapterInvoked when the mouse cursor has been moved onto a component but no buttons have been pushed.- Specified by:
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mouseMovedin interfaceMouseMotionListener - Overrides:
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mouseMovedin classMouseAdapter
mouseExited
public void mouseExited(MouseEvent e)
Invoked when the mouse exits the scrollbar.- Specified by:
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mouseExitedin interfaceMouseListener - Overrides:
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mouseExitedin classMouseAdapter - Parameters:
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e- MouseEvent further describing the event - Since:
- 1.5
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