public abstract class FocusTracker extends Object
Modifier | Constructor and Description |
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protected |
FocusTracker()
Creates a new focus-tracker and registers it on the permanent-focus-owner property.
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Modifier and Type | Method and Description |
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protected abstract void |
focusChanged(Component c)
A notifier method that is called whenever the permanentFocusOwner property changed.
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protected FocusTracker()
protected abstract void focusChanged(Component c)
c
- the component that has the focus, or null if no component in this application has the focus.Copyright © 2019 Hitachi Vantara. All rights reserved.