1. /*

  2.  * @(#)ComboBoxUI.java	1.19 03/12/19

  3.  *

  4.  * Copyright 2004 Sun Microsystems, Inc. All rights reserved.

  5.  * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.

  6.  */

  7. 

  8. package javax.swing.plaf;

  9. 

  10. import javax.swing.JComboBox;

  11. 

  12. /**

  13.  * Pluggable look and feel interface for JComboBox.

  14.  *

  15.  * @version 1.19 12/19/03

  16.  * @author Arnaud Weber

  17.  * @author Tom Santos

  18.  */

  19. public abstract class ComboBoxUI extends ComponentUI {

  20. 

  21.     /**

  22.      * Set the visiblity of the popup

  23.      */

  24.     public abstract void setPopupVisible( JComboBox c, boolean v );

  25. 

  26.     /** 

  27.      * Determine the visibility of the popup

  28.      */

  29.     public abstract boolean isPopupVisible( JComboBox c );

  30. 

  31.     /** 

  32.      * Determine whether or not the combo box itself is traversable 

  33.      */

  34.     public abstract boolean isFocusTraversable( JComboBox c );

  35. }