1. /*

  2.  * @(#)ComboBoxUI.java	1.15 00/02/02

  3.  *

  4.  * Copyright 1997-2000 Sun Microsystems, Inc. All Rights Reserved.

  5.  * 

  6.  * This software is the proprietary information of Sun Microsystems, Inc.  

  7.  * Use is subject to license terms.

  8.  * 

  9.  */

  10. 

  11. package javax.swing.plaf;

  12. 

  13. import javax.swing.JComboBox;

  14. 

  15. /**

  16.  * Pluggable look and feel interface for JComboBox.

  17.  *

  18.  * @version 1.15 02/02/00

  19.  * @author Arnaud Weber

  20.  * @author Tom Santos

  21.  */

  22. public abstract class ComboBoxUI extends ComponentUI {

  23. 

  24.     /**

  25.      * Set the visiblity of the popup

  26.      */

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

  28. 

  29.     /** 

  30.      * Determine the visibility of the popup

  31.      */

  32.     public abstract boolean isPopupVisible( JComboBox c );

  33. 

  34.     /** 

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

  36.      */

  37.     public abstract boolean isFocusTraversable( JComboBox c );

  38. }