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
  23  * questions.
  24  */
  25 
  26 package javax.swing.plaf.metal;
  27 
  28 import java.awt.*;
  29 import java.awt.event.*;
  30 import javax.swing.*;
  31 import javax.swing.plaf.*;
  32 import javax.swing.border.*;
  33 import java.io.Serializable;
  34 import javax.swing.plaf.basic.BasicComboBoxUI;
  35 
  36 
  37 /**
  38  * This utility class draws the horizontal bars which indicate a MetalComboBox
  39  *
  40  * @see MetalComboBoxUI
  41  * @author Tom Santos
  42  */
  43 public class MetalComboBoxIcon implements Icon, Serializable {
  44     private static final long serialVersionUID = 4005527431004205018L;
  45 
  46     /**
  47      * Paints the horizontal bars for the
  48      */
  49     public void paintIcon(Component c, Graphics g, int x, int y){
  50         JComponent component = (JComponent)c;
  51         int iconWidth = getIconWidth();
  52 
  53         g.translate( x, y );
  54 
  55         g.setColor( component.isEnabled() ? MetalLookAndFeel.getControlInfo() : MetalLookAndFeel.getControlShadow() );
  56         g.drawLine( 0, 0, iconWidth - 1, 0 );
  57         g.drawLine( 1, 1, 1 + (iconWidth - 3), 1 );
  58         g.drawLine( 2, 2, 2 + (iconWidth - 5), 2 );
  59         g.drawLine( 3, 3, 3 + (iconWidth - 7), 3 );
  60         g.drawLine( 4, 4, 4 + (iconWidth - 9), 4 );
  61 
  62         g.translate( -x, -y );
  63     }
  64 
  65     /**
  66      * Created a stub to satisfy the interface.
  67      */
  68     public int getIconWidth() { return 10; }
  69 
  70     /**
  71      * Created a stub to satisfy the interface.
  72      */
  73     public int getIconHeight()  { return 5; }
  74 
  75 }