src/share/classes/javax/swing/plaf/metal/MetalComboBoxUI.java

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   1 /*
   2  * Copyright (c) 1998, 2010, Oracle and/or its affiliates. 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  34 import java.io.Serializable;
  35 import java.beans.*;
  36 
  37 
  38 /**
  39  * Metal UI for JComboBox
  40  * <p>
  41  * <strong>Warning:</strong>
  42  * Serialized objects of this class will not be compatible with
  43  * future Swing releases. The current serialization support is
  44  * appropriate for short term storage or RMI between applications running
  45  * the same version of Swing.  As of 1.4, support for long term storage
  46  * of all JavaBeans&trade;
  47  * has been added to the <code>java.beans</code> package.
  48  * Please see {@link java.beans.XMLEncoder}.
  49  *
  50  * @see MetalComboBoxEditor
  51  * @see MetalComboBoxButton
  52  * @author Tom Santos
  53  */

  54 public class MetalComboBoxUI extends BasicComboBoxUI {
  55 
  56     public static ComponentUI createUI(JComponent c) {
  57         return new MetalComboBoxUI();
  58     }
  59 
  60     public void paint(Graphics g, JComponent c) {
  61         if (MetalLookAndFeel.usingOcean()) {
  62             super.paint(g, c);
  63         }
  64     }
  65 
  66     /**
  67      * If necessary paints the currently selected item.
  68      *
  69      * @param g Graphics to paint to
  70      * @param bounds Region to paint current value to
  71      * @param hasFocus whether or not the JComboBox has focus
  72      * @throws NullPointerException if any of the arguments are null.
  73      * @since 1.5


   1 /*
   2  * Copyright (c) 1998, 2014, Oracle and/or its affiliates. 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  34 import java.io.Serializable;
  35 import java.beans.*;
  36 
  37 
  38 /**
  39  * Metal UI for JComboBox
  40  * <p>
  41  * <strong>Warning:</strong>
  42  * Serialized objects of this class will not be compatible with
  43  * future Swing releases. The current serialization support is
  44  * appropriate for short term storage or RMI between applications running
  45  * the same version of Swing.  As of 1.4, support for long term storage
  46  * of all JavaBeans&trade;
  47  * has been added to the <code>java.beans</code> package.
  48  * Please see {@link java.beans.XMLEncoder}.
  49  *
  50  * @see MetalComboBoxEditor
  51  * @see MetalComboBoxButton
  52  * @author Tom Santos
  53  */
  54 @SuppressWarnings("serial") // Same-version serialization only
  55 public class MetalComboBoxUI extends BasicComboBoxUI {
  56 
  57     public static ComponentUI createUI(JComponent c) {
  58         return new MetalComboBoxUI();
  59     }
  60 
  61     public void paint(Graphics g, JComponent c) {
  62         if (MetalLookAndFeel.usingOcean()) {
  63             super.paint(g, c);
  64         }
  65     }
  66 
  67     /**
  68      * If necessary paints the currently selected item.
  69      *
  70      * @param g Graphics to paint to
  71      * @param bounds Region to paint current value to
  72      * @param hasFocus whether or not the JComboBox has focus
  73      * @throws NullPointerException if any of the arguments are null.
  74      * @since 1.5