Class BasicSliderUI.TrackListener
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
Track mouse movements.
This class should be treated as a "protected" inner class.
Instantiate it only within subclasses of
Foo.-
Field Summary
FieldsModifier and TypeFieldDescriptionprotected intCurrent mouse x.protected intCurrent mouse y.protected intThe offset -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoidSet the models value to the position of the top/left of the thumb relative to the origin of the track.voidInvoked when the mouse cursor has been moved onto a component but no buttons have been pushed.voidIf the mouse is pressed above the "thumb" component then reduce the scrollbars value by one page ("page up"), otherwise increase it by one page.voidInvoked when a mouse button has been released on a component.booleanshouldScroll(int direction) Returns if scrolling should occur.Methods declared in class java.awt.event.MouseAdapter
mouseClicked, mouseEntered, mouseExited, mouseMoved, mouseReleased, mouseWheelMovedMethods declared in class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods declared in interface java.awt.event.MouseListener
mouseClicked, mouseEntered, mouseExited
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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()Constructs aTrackListener.
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Method Details
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mouseReleased
Invoked when a mouse button has been released on a component.- Parameters:
e- the event to be processed
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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:
trueif scrolling should occur, otherwisefalse
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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:
mouseDraggedin interfaceMouseMotionListener- Overrides:
mouseDraggedin classMouseAdapter- Parameters:
e- the event to be processed
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mouseMoved
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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