Class ComboBoxUI

Direct Known Subclasses:
BasicComboBoxUI, MultiComboBoxUI 
public abstract class ComboBoxUI
extends ComponentUI

Pluggable look and feel interface for JComboBox.

Constructors

Constructor Description
ComboBoxUI()

Methods

Modifier and Type Method Description
abstract boolean isFocusTraversable​(JComboBox<?> c)

Determine whether or not the combo box itself is traversable
abstract boolean isPopupVisible​(JComboBox<?> c)

Determine the visibility of the popup
abstract void setPopupVisible​(JComboBox<?> c, boolean v)

Set the visibility of the popup

Methods declared in class javax.swing.plaf.ComponentUI

contains, createUI, getAccessibleChild, getAccessibleChildrenCount, getBaseline, getBaselineResizeBehavior, getMaximumSize, getMinimumSize, getPreferredSize, installUI, paint, uninstallUI, update

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructors

ComboBoxUI

public ComboBoxUI()

Methods

setPopupVisible

public abstract void setPopupVisible(JComboBox<?> c,
                                     boolean v)

Set the visibility of the popup

Parameters:
c - a JComboBox
v - a boolean determining the visibilty of the popup

isPopupVisible

public abstract boolean isPopupVisible(JComboBox<?> c)

Determine the visibility of the popup

Parameters:
c - a JComboBox
Returns:
true if popup of the JComboBox is visible

isFocusTraversable

public abstract boolean isFocusTraversable(JComboBox<?> c)

Determine whether or not the combo box itself is traversable

Parameters:
c - a JComboBox
Returns:
true if the given JComboBox is traversable

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Documentation extracted from Debian's OpenJDK Development Kit package.
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https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/javax/swing/plaf/ComboBoxUI.html