1 /*

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

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Sun designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Sun in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    22  * CA 95054 USA or visit www.sun.com if you need additional information or

    23  * have any questions.

    24  */

    25 

    26 package javax.swing.plaf;

    27 

    28 import javax.swing.JComboBox;

    29 

    30 /**

    31  * Pluggable look and feel interface for JComboBox.

    32  *

    33  * @author Arnaud Weber

    34  * @author Tom Santos

    35  */

    36 public abstract class ComboBoxUI extends ComponentUI {

    37 

    38     /**

    39      * Set the visiblity of the popup

    40      */

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

    42 

    43     /**

    44      * Determine the visibility of the popup

    45      */

    46     public abstract boolean isPopupVisible( JComboBox c );

    47 

    48     /**

    49      * Determine whether or not the combo box itself is traversable

    50      */

    51     public abstract boolean isFocusTraversable( JComboBox c );

    52 }