001    /* ComboPopup.java --
002       Copyright (C) 2004 Free Software Foundation, Inc.
003    
004    This file is part of GNU Classpath.
005    
006    GNU Classpath is free software; you can redistribute it and/or modify
007    it under the terms of the GNU General Public License as published by
008    the Free Software Foundation; either version 2, or (at your option)
009    any later version.
010    
011    GNU Classpath is distributed in the hope that it will be useful, but
012    WITHOUT ANY WARRANTY; without even the implied warranty of
013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014    General Public License for more details.
015    
016    You should have received a copy of the GNU General Public License
017    along with GNU Classpath; see the file COPYING.  If not, write to the
018    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019    02110-1301 USA.
020    
021    Linking this library statically or dynamically with other modules is
022    making a combined work based on this library.  Thus, the terms and
023    conditions of the GNU General Public License cover the whole
024    combination.
025    
026    As a special exception, the copyright holders of this library give you
027    permission to link this library with independent modules to produce an
028    executable, regardless of the license terms of these independent
029    modules, and to copy and distribute the resulting executable under
030    terms of your choice, provided that you also meet, for each linked
031    independent module, the terms and conditions of the license of that
032    module.  An independent module is a module which is not derived from
033    or based on this library.  If you modify this library, you may extend
034    this exception to your version of the library, but you are not
035    obligated to do so.  If you do not wish to do so, delete this
036    exception statement from your version. */
037    
038    
039    package javax.swing.plaf.basic;
040    
041    import java.awt.event.KeyListener;
042    import java.awt.event.MouseListener;
043    import java.awt.event.MouseMotionListener;
044    
045    import javax.swing.JList;
046    
047    public interface ComboPopup
048    {
049      /**
050       * This method display popup menu containing list of JComboBox's items to
051       * the screen
052       */
053      void show();
054    
055      /**
056       * This method hides popup menu with list of JComboBox's item from the
057       * screen
058       */
059      void hide();
060    
061      /**
062       * Retursn true if popup menu with JComboBOx's item is currently visible on
063       * the screen and false otherwise
064       *
065       * @return true if JComboBox's popup menu with list of items is currently
066       *         visible on the screen and false otherwise.
067       */
068      boolean isVisible();
069    
070      /**
071       * Return JList that is used to draw cells of the JComboBox.
072       *
073       * @return JList that is used to draw cells of the JcomboBox
074       */
075      JList getList();
076    
077      /**
078       * This method returns MouseListener that listen's to mouse events occuring
079       * in the combo box
080       *
081       * @return MouseListenere
082       */
083      MouseListener getMouseListener();
084    
085      /**
086       * This method returns MouseListener that listen's to mouse events occuring
087       * in the combo box.
088       *
089       * @return MouseMotionListener
090       */
091      MouseMotionListener getMouseMotionListener();
092    
093      /**
094       * This method returns KeyListener that listen's to key events  occuring in
095       * the combo box.
096       *
097       * @return KeyListener
098       */
099      KeyListener getKeyListener();
100    
101      /* This method removes any listeners that were installed */
102      void uninstallingUI();
103    }