libjava/javax/swing/SwingUtilities.java

   1 /* SwingUtilities.java --
   2    Copyright (C) 2002 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19 02111-1307 USA.
  20
  21 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37
  38
  39 package javax.swing;
  40
  41 import java.awt.Component;
  42 import java.awt.Container;
  43 import java.awt.EventQueue;
  44 import java.awt.Font;
  45 import java.awt.FontMetrics;
  46 import java.awt.Graphics;
  47 import java.awt.Insets;
  48 import java.awt.Point;
  49 import java.awt.Rectangle;
  50 import java.awt.Toolkit;
  51 import java.awt.Window;
  52 import java.awt.event.KeyEvent;
  53 import java.awt.event.MouseEvent;
  54 import java.lang.reflect.InvocationTargetException;
  55 import javax.accessibility.Accessible;
  56 import javax.accessibility.AccessibleStateSet;
  57
  58 public class SwingUtilities implements SwingConstants
  59 {
  60   public static FontMetrics getFontMetrics (Font font)
  61   {
  62     return Toolkit.getDefaultToolkit ().getFontMetrics (font);
  63   }
  64
  65   public static JRootPane getRootPane (Component a)
  66   {
  67     if (a instanceof JRootPane)
  68       return (JRootPane) a;
  69
  70     a = a.getParent();
  71
  72     if (a != null)
  73       {
  74         return getRootPane(a);
  75       }
  76
  77     return null;
  78   }
  79
  80   public static void updateComponentTreeUI(JFrame comp)
  81   {
  82   }
  83
  84   public static String layoutCompoundLabel(JComponent c,
  85                                            FontMetrics fm,
  86                                            String text,
  87                                            Icon i,
  88                                            int vert_a,
  89                                            int hor_i,
  90                                            int vert_text_pos,
  91                                            int hor_text_pos,
  92                                            Rectangle vr,
  93                                            Rectangle ir,
  94                                            Rectangle tr,
  95                                            int gap)
  96   {
  97     // view rect 'vr' already ok,
  98     // we need to compute ir (icon rect) and tr (text-rect)
  99
 100     int next_x = 0;//vr.x;
 101     int next_y = 0;//vr.y;
 102
 103     ir.height = ir.width = ir.y = ir.x = 0;
 104
 105     if (i != null)
 106       {
 107         ir.x = vr.x;
 108         ir.y = vr.y;
 109         ir.width = i.getIconWidth();
 110         ir.height = i.getIconWidth();
 111
 112
 113         next_x += gap + i.getIconWidth();
 114         next_y += gap + i.getIconHeight();
 115       }
 116
 117     tr.x = next_x;
 118     tr.y = vr.y + (vr.height/2);
 119
 120     tr.width  = fm.stringWidth(text);
 121     tr.height = fm.getHeight() +  fm.getAscent()/2;
 122
 123     return text;
 124   }
 125
 126 }
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