missing added files from merge

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@86958 138bc75d-0d04-0410-961f-82ee72b054a4

6 files changed, 1745 insertions, 0 deletions

diff --git a/libjava/javax/swing/text/SimpleAttributeSet.java b/libjava/javax/swing/text/SimpleAttributeSet.java
new file mode 100644
index 00000000000..746056dfe7a
--- /dev/null
+++ b/libjava/javax/swing/text/SimpleAttributeSet.java
@@ -0,0 +1,192 @@
+/* SimpleAttributeSet.java --
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package javax.swing.text;
+
+import java.io.Serializable;
+import java.util.Enumeration;
+import java.util.Hashtable;
+import java.lang.Cloneable;
+
+public class SimpleAttributeSet
+  implements MutableAttributeSet, Serializable, Cloneable
+{
+  Hashtable tab;
+
+  static AttributeSet EMPTY = new SimpleAttributeSet();
+
+  public SimpleAttributeSet()
+  {
+    this(null);
+  }
+  
+  public SimpleAttributeSet(AttributeSet a)
+  {
+    tab = new Hashtable();
+    addAttributes(a);
+  }
+
+  public void addAttribute(Object name, Object value)
+  {
+    tab.put(name, value);
+  }
+
+  public void addAttributes(AttributeSet attributes)
+  {
+    Enumeration e = attributes.getAttributeNames();
+    while (e.hasMoreElements())
+      {
+        Object name = e.nextElement();
+        Object val = attributes.getAttribute(name);
+        tab.put(name, val);
+      }
+  }
+
+  public Object clone()
+  {
+    SimpleAttributeSet s = new SimpleAttributeSet();
+    s.tab = (Hashtable) tab.clone();
+    return s;
+  }
+
+  public boolean containsAttribute(Object name, Object value)
+  {
+    return tab.containsKey(name) 
+      && tab.get(name).equals(value);
+  }
+    
+  public boolean containsAttributes(AttributeSet attributes)
+  {
+    Enumeration e = attributes.getAttributeNames();
+    while (e.hasMoreElements())
+      {
+        Object name = e.nextElement();
+        Object val = attributes.getAttribute(name);
+        if (! containsAttribute(name, val))
+          return false;		
+      }
+    return true;
+  }
+
+  public AttributeSet copyAttributes()
+  {
+    return (AttributeSet) clone();
+  }
+
+  public boolean equals(Object obj)
+  {
+    return (obj != null) 
+      && (obj instanceof SimpleAttributeSet)
+      && ((SimpleAttributeSet)obj).tab.equals(this.tab);
+  }
+
+  public Object getAttribute(Object name)
+  {
+    Object val = tab.get(name);
+    if (val != null) 
+      return val;
+
+    Object p = getResolveParent();
+    if (p != null && p instanceof AttributeSet)
+      return (((AttributeSet)p).getAttribute(name));
+
+    return null;
+  }
+
+  public int getAttributeCount()
+  {
+    return tab.size();
+  }
+
+  public Enumeration getAttributeNames()
+  {
+    return tab.keys();
+  }
+
+  public AttributeSet getResolveParent()
+  {
+    return (AttributeSet) tab.get(ResolveAttribute);
+  }
+
+  public int hashCode()
+  {
+    return tab.hashCode();
+  }
+
+  public boolean isDefined(Object attrName)
+  {
+    return tab.containsKey(attrName);
+  }
+
+  public boolean isEmpty()
+  {
+    return tab.isEmpty();	
+  }
+        
+  public boolean isEqual(AttributeSet attr)
+  {
+    return this.equals(attr);
+  }
+    
+  public void removeAttribute(Object name)
+  {
+    tab.remove(name);
+  }
+
+  public void removeAttributes(AttributeSet attributes)
+  {
+    removeAttributes(attributes.getAttributeNames());
+  }
+
+  public void removeAttributes(Enumeration names)
+  {
+    while (names.hasMoreElements())
+      {
+        removeAttribute(names.nextElement());
+      }	
+  }
+
+  public void setResolveParent(AttributeSet parent)
+  {
+    addAttribute(ResolveAttribute, parent);
+  }
+    
+  public String toString()
+  {
+    return tab.toString();
+  }    
+}
diff --git a/libjava/javax/swing/text/StyleConstants.java b/libjava/javax/swing/text/StyleConstants.java
new file mode 100644
index 00000000000..2201c47b5b9
--- /dev/null
+++ b/libjava/javax/swing/text/StyleConstants.java
@@ -0,0 +1,439 @@
+/* StyleConstants.java --
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package javax.swing.text;
+
+import java.awt.Color;
+import java.awt.Component;
+import javax.swing.Icon;
+
+public class StyleConstants
+{
+
+  String keyname;
+  private StyleConstants(String k) 
+  {
+    keyname = k;
+  }
+
+  public String toString()
+  {
+    return keyname;
+  }
+
+  public static int ALIGN_CENTER;
+  public static int ALIGN_JUSTIFIED;
+  public static int ALIGN_LEFT;
+  public static int ALIGN_RIGHT;
+
+  public static Object Background = CharacterConstants.Background;
+  public static Object BidiLevel = CharacterConstants.BidiLevel;
+  public static Object Bold = CharacterConstants.Bold;
+  public static Object ComponentAttribute = CharacterConstants.ComponentAttribute;
+  public static Object FontFamily = CharacterConstants.Family;
+  public static Object FontSize = CharacterConstants.Size;
+  public static Object Foreground = CharacterConstants.Foreground;
+  public static Object IconAttribute = CharacterConstants.IconAttribute;
+  public static Object Italic = CharacterConstants.Italic;
+  public static Object StrikeThrough = CharacterConstants.StrikeThrough;
+  public static Object Subscript = CharacterConstants.Subscript;
+  public static Object Superscript = CharacterConstants.Superscript;
+  public static Object Underline = CharacterConstants.Underline;
+
+  public static Object Alignment = ParagraphConstants.Alignment;
+  public static Object FirstLineIndent = ParagraphConstants.FirstLineIndent;
+  public static Object LeftIndent = ParagraphConstants.LeftIndent;
+  public static Object LineSpacing = ParagraphConstants.LineSpacing;
+  public static Object Orientation = ParagraphConstants.Orientation;
+  public static Object RightIndent = ParagraphConstants.RightIndent;
+  public static Object SpaceAbove = ParagraphConstants.SpaceAbove;
+  public static Object SpaceBelow = ParagraphConstants.SpaceBelow;
+  public static Object TabSet = ParagraphConstants.TabSet;
+
+  public static String ComponentElementName = new String("component");
+  public static String IconElementName = new String("icon");
+
+  public static Object ComposedTextAttribute = new StyleConstants("composed text");
+  public static Object ModelAttribute = new StyleConstants("model");
+  public static Object NameAttribute = new StyleConstants("name");
+  public static Object ResolveAttribute = new StyleConstants("resolver");
+
+  public static int getAlignment(AttributeSet a)
+  {
+    if (a.isDefined(Alignment))
+      return ((Integer)a.getAttribute(Alignment)).intValue();
+    else
+      return ALIGN_LEFT;      
+  } 
+
+  public static Color getBackground(AttributeSet a)
+  {
+    if (a.isDefined(Background))
+      return (Color) a.getAttribute(Background);
+    else
+      return Color.BLACK;
+  } 
+  
+  public static int getBidiLevel(AttributeSet a)
+  {
+    if (a.isDefined(BidiLevel))
+      return ((Integer)a.getAttribute(BidiLevel)).intValue();
+    else
+      return 0;
+  } 
+
+  public static Component getComponent(AttributeSet a)
+  {
+    if (a.isDefined(ComponentAttribute))
+      return (Component) a.getAttribute(ComponentAttribute);
+    else
+      return (Component) null;
+  } 
+
+  public static float getFirstLineIndent(AttributeSet a)
+  {
+    if (a.isDefined(FirstLineIndent))
+      return ((Float)a.getAttribute(FirstLineIndent)).floatValue();
+    else
+      return 0.f;
+  } 
+
+  public static String getFontFamily(AttributeSet a)
+  {
+    if (a.isDefined(FontFamily))
+      return (String) a.getAttribute(FontFamily);
+    else
+      return "Monospaced";
+  } 
+
+  public static int getFontSize(AttributeSet a)
+  {
+    if (a.isDefined(FontSize))
+      return ((Integer)a.getAttribute(FontSize)).intValue();
+    else
+      return 12;
+  } 
+
+  public static Color getForeground(AttributeSet a)
+  {
+    if (a.isDefined(Foreground))
+      return (Color) a.getAttribute(Foreground);
+    else
+      return Color.BLACK;
+  } 
+
+  public static Icon getIcon(AttributeSet a)
+  {
+    if (a.isDefined(IconAttribute))
+      return (Icon) a.getAttribute(IconAttribute);
+    else
+      return (Icon) null;
+  } 
+
+  public static float getLeftIndent(AttributeSet a)
+  {
+    if (a.isDefined(LeftIndent))
+      return ((Float)a.getAttribute(LeftIndent)).floatValue();
+    else
+      return 0.f;  
+  } 
+
+  public static float getLineSpacing(AttributeSet a)
+  {
+    if (a.isDefined(LineSpacing))
+      return ((Float)a.getAttribute(LineSpacing)).floatValue();
+    else
+      return 0.f;  
+  } 
+
+  public static float getRightIndent(AttributeSet a)
+  {
+    if (a.isDefined(RightIndent))
+      return ((Float)a.getAttribute(RightIndent)).floatValue();
+    else
+      return 0.f;  
+  } 
+
+  public static float getSpaceAbove(AttributeSet a)
+  {
+    if (a.isDefined(SpaceAbove))
+      return ((Float)a.getAttribute(SpaceAbove)).floatValue();
+    else
+      return 0.f;  
+  } 
+
+  public static float getSpaceBelow(AttributeSet a)
+  {
+    if (a.isDefined(SpaceBelow))
+      return ((Float)a.getAttribute(SpaceBelow)).floatValue();
+    else
+      return 0.f;  
+  } 
+
+  public static javax.swing.text.TabSet getTabSet(AttributeSet a)
+  {
+    if (a.isDefined(StyleConstants.TabSet))
+      return (javax.swing.text.TabSet) a.getAttribute(StyleConstants.TabSet);
+    else
+      return (javax.swing.text.TabSet) null;
+  } 
+
+  public static boolean isBold(AttributeSet a)
+  {
+    if (a.isDefined(Bold))
+      return ((Boolean) a.getAttribute(Bold)).booleanValue();
+    else
+      return false;    
+  } 
+
+  public static boolean isItalic(AttributeSet a)
+  {
+    if (a.isDefined(Italic))
+      return ((Boolean) a.getAttribute(Italic)).booleanValue();
+    else
+      return false;    
+  } 
+
+  public static boolean isStrikeThrough(AttributeSet a)
+  {
+    if (a.isDefined(StrikeThrough))
+      return ((Boolean) a.getAttribute(StrikeThrough)).booleanValue();
+    else
+      return false;    
+  } 
+
+  public static boolean isSubscript(AttributeSet a)
+  {
+    if (a.isDefined(Subscript))
+      return ((Boolean) a.getAttribute(Subscript)).booleanValue();
+    else
+      return false;    
+  } 
+
+  public static boolean isSuperscript(AttributeSet a)
+  {
+    if (a.isDefined(Superscript))
+      return ((Boolean) a.getAttribute(Superscript)).booleanValue();
+    else
+      return false;    
+  } 
+
+  public static boolean isUnderline(AttributeSet a)
+  {
+    if (a.isDefined(Underline))
+      return ((Boolean) a.getAttribute(Underline)).booleanValue();
+    else
+      return false;    
+  } 
+
+  public static void setAlignment(MutableAttributeSet a, int align)
+  {
+    a.addAttribute(Alignment, new Integer(align));
+  } 
+
+  public static void setBackground(MutableAttributeSet a, Color fg)
+  {
+    a.addAttribute(Background, fg);
+  } 
+
+  public static void setBidiLevel(MutableAttributeSet a, int lev)
+  {
+    a.addAttribute(BidiLevel, new Integer(lev));
+  } 
+
+  public static void setBold(MutableAttributeSet a, boolean b)
+  {
+    a.addAttribute(Bold, new Boolean(b));
+  } 
+  
+  public static void setComponent(MutableAttributeSet a, Component c)
+  {
+    a.addAttribute(ComponentAttribute, c);
+  } 
+
+  public static void setFirstLineIndent(MutableAttributeSet a, float i)
+  {
+    a.addAttribute(FirstLineIndent, new Float(i));
+  } 
+
+  public static void setFontFamily(MutableAttributeSet a, String fam)
+  {
+    a.addAttribute(FontFamily, fam);
+  } 
+
+  public static void setFontSize(MutableAttributeSet a, int s)
+  {
+    a.addAttribute(FontSize, new Integer(s));
+  } 
+
+  public static void setForeground(MutableAttributeSet a, Color fg)
+  {
+    a.addAttribute(Foreground, fg);
+  }
+
+  public static void setIcon(MutableAttributeSet a, Icon c)
+  {
+    a.addAttribute(IconAttribute, c);
+  }
+ 
+  public static void setItalic(MutableAttributeSet a, boolean b)
+  {
+    a.addAttribute(Italic, new Boolean(b));
+  }
+ 
+  public static void setLeftIndent(MutableAttributeSet a, float i)
+  {
+    a.addAttribute(LeftIndent, new Float(i));
+  } 
+
+  public static void setLineSpacing(MutableAttributeSet a, float i)
+  {
+    a.addAttribute(LineSpacing, new Float(i));
+  } 
+
+  public static void setRightIndent(MutableAttributeSet a, float i)
+  {
+    a.addAttribute(RightIndent, new Float(i));
+  } 
+
+  public static void setSpaceAbove(MutableAttributeSet a, float i)
+  {
+    a.addAttribute(SpaceAbove, new Float(i));
+  } 
+
+  public static void setSpaceBelow(MutableAttributeSet a, float i)
+  {
+    a.addAttribute(SpaceBelow, new Float(i));
+  } 
+
+  public static void setStrikeThrough(MutableAttributeSet a, boolean b)
+  {
+    a.addAttribute(StrikeThrough, new Boolean(b));
+  } 
+
+  public static void setSubscript(MutableAttributeSet a, boolean b)
+  {
+    a.addAttribute(Subscript, new Boolean(b));
+  } 
+
+  public static void setSuperscript(MutableAttributeSet a, boolean b)
+  {
+    a.addAttribute(Superscript, new Boolean(b));
+  } 
+
+  public static void setTabSet(MutableAttributeSet a, javax.swing.text.TabSet tabs)
+  {
+    a.addAttribute(StyleConstants.TabSet, tabs);
+  } 
+
+  public static void setUnderline(MutableAttributeSet a, boolean b)
+  {
+    a.addAttribute(Underline, new Boolean(b));
+  } 
+
+  // The remainder are so-called "typesafe enumerations" which 
+  // alias subsets of the above constants.
+  public static class CharacterConstants
+    extends StyleConstants
+    implements AttributeSet.CharacterAttribute
+  {
+    private CharacterConstants(String k) 
+    {
+      super(k);
+    }
+    
+    public static Object Background = ColorConstants.Background;
+    public static Object BidiLevel = new CharacterConstants("bidiLevel");
+    public static Object Bold = FontConstants.Bold;
+    public static Object ComponentAttribute = new CharacterConstants("component");
+    public static Object Family = FontConstants.Family;
+    public static Object Size = FontConstants.Size;
+    public static Object Foreground = ColorConstants.Foreground;
+    public static Object IconAttribute = new CharacterConstants("icon");
+    public static Object Italic = FontConstants.Italic;
+    public static Object StrikeThrough = new CharacterConstants("strikethrough");
+    public static Object Subscript = new CharacterConstants("subscript");
+    public static Object Superscript = new CharacterConstants("superscript");
+    public static Object Underline = new CharacterConstants("underline");
+  }
+
+  public static class ColorConstants
+    extends StyleConstants
+    implements AttributeSet.ColorAttribute, AttributeSet.CharacterAttribute
+  {
+    private ColorConstants(String k) 
+    {
+      super(k);
+    }
+    public static Object Foreground = new ColorConstants("foreground");
+    public static Object Background = new ColorConstants("background");
+  }
+
+  public static class FontConstants
+    extends StyleConstants
+    implements AttributeSet.FontAttribute, AttributeSet.CharacterAttribute
+  {
+    private FontConstants(String k) 
+    {
+      super(k);
+    }
+    public static Object Bold = new FontConstants("bold");
+    public static Object Family = new FontConstants("family");
+    public static Object Italic = new FontConstants("italic");
+    public static Object Size = new FontConstants("size");
+  }
+
+  public static class ParagraphConstants
+    extends StyleConstants
+    implements AttributeSet.ParagraphAttribute
+  {
+    private ParagraphConstants(String k) 
+    {
+      super(k);
+    }
+    public static Object Alignment = new ParagraphConstants("Alignment");
+    public static Object FirstLineIndent = new ParagraphConstants("FirstLineIndent");
+    public static Object LeftIndent = new ParagraphConstants("LeftIndent");
+    public static Object LineSpacing = new ParagraphConstants("LineSpacing");
+    public static Object Orientation = new ParagraphConstants("Orientation");
+    public static Object RightIndent = new ParagraphConstants("RightIndent");
+    public static Object SpaceAbove = new ParagraphConstants("SpaceAbove");
+    public static Object SpaceBelow = new ParagraphConstants("SpaceBelow");
+    public static Object TabSet = new ParagraphConstants("TabSet");
+  }
+
+}
diff --git a/libjava/javax/swing/text/StyleContext.java b/libjava/javax/swing/text/StyleContext.java
new file mode 100644
index 00000000000..8accd9b905b
--- /dev/null
+++ b/libjava/javax/swing/text/StyleContext.java
@@ -0,0 +1,697 @@
+/* StyleContext.java --
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package javax.swing.text;
+
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.FontMetrics;
+import java.awt.Toolkit;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.Serializable;
+import javax.swing.event.EventListenerList;
+import javax.swing.event.ChangeEvent;
+import javax.swing.event.ChangeListener;
+import java.util.Enumeration;
+import java.util.EventListener;
+import java.util.Hashtable;
+
+public class StyleContext 
+    implements Serializable, AbstractDocument.AttributeContext
+{
+  public class NamedStyle
+    implements Serializable, Style
+  {
+    protected ChangeEvent changeEvent;
+    protected EventListenerList listenerList;
+      
+    AttributeSet attributes;
+    String name;
+
+    public NamedStyle()
+    {
+      this(null, null);
+    }
+
+    public NamedStyle(Style parent)
+    {
+      this(null, parent);
+    }
+
+    public NamedStyle(String name, Style parent)
+    {
+      this.name = name;
+      this.attributes = getEmptySet();
+      this.changeEvent = new ChangeEvent(this);
+      this.listenerList = new EventListenerList();
+      setResolveParent(parent);
+    }
+
+    public String getName()
+    {
+      return name;
+    }
+
+    public void setName(String n)
+    {
+      name = n;
+      fireStateChanged();
+    }
+
+    public void addChangeListener(ChangeListener l)
+    {
+      listenerList.add(ChangeListener.class, l);
+    }
+      
+    public void removeChangeListener(ChangeListener l)
+    {
+      listenerList.remove(ChangeListener.class, l);
+    }
+      
+    public EventListener[] getListeners(Class listenerType)
+    {
+      return listenerList.getListeners(listenerType);
+    }
+
+    public ChangeListener[] getChangeListeners()
+    {
+      return (ChangeListener[]) getListeners(ChangeListener.class);
+    }
+
+    protected  void fireStateChanged()
+    {
+      ChangeListener[] listeners = getChangeListeners();
+      for (int i = 0; i < listeners.length; ++i)
+        {
+          listeners[i].stateChanged(changeEvent);
+        }
+    }
+
+    public void addAttribute(Object name, Object value)
+    {
+      attributes = StyleContext.this.addAttribute(attributes, name, value);
+      fireStateChanged();
+    }
+
+    public void addAttributes(AttributeSet attr)
+    {
+      attributes = StyleContext.this.addAttributes(attributes, attr);
+      fireStateChanged();
+    }
+
+    public boolean containsAttribute(Object name, Object value)
+    {
+      return attributes.containsAttribute(name, value);
+    }
+      
+    public boolean containsAttributes(AttributeSet attrs)
+    {
+      return attributes.containsAttributes(attrs);
+    }
+
+    public AttributeSet copyAttributes()
+    {
+      return attributes.copyAttributes();
+    }
+            
+    public Object getAttribute(Object attrName)
+    {
+      return attributes.getAttribute(attrName);
+    }
+
+    public int getAttributeCount()
+    {
+      return attributes.getAttributeCount();
+    }
+
+    public Enumeration getAttributeNames()
+    {
+      return attributes.getAttributeNames();
+    }
+      
+    public boolean isDefined(Object attrName)
+    {
+      return attributes.isDefined(attrName);        
+    }
+
+    public boolean isEqual(AttributeSet attr)
+    {
+      return attributes.isEqual(attr);
+    }
+
+    public void removeAttribute(Object name)
+    {
+      attributes = StyleContext.this.removeAttribute(attributes, name);
+      fireStateChanged();
+    }
+
+    public void removeAttributes(AttributeSet attrs)
+    {
+      attributes = StyleContext.this.removeAttributes(attributes, attrs);
+      fireStateChanged();
+    }
+
+    public void removeAttributes(Enumeration names)
+    {
+      attributes = StyleContext.this.removeAttributes(attributes, names);
+      fireStateChanged();
+    }
+
+
+    public AttributeSet getResolveParent()
+    {
+      return attributes.getResolveParent();        
+    }
+
+    public void setResolveParent(AttributeSet parent)
+    {
+      attributes = StyleContext.this.addAttribute(attributes, ResolveAttribute, parent);
+      fireStateChanged();
+    }
+      
+    public String toString()
+    {
+      return ("[NamedStyle: name=" + name + ", attrs=" + attributes.toString() + "]");
+    }      
+  }
+  
+  public class SmallAttributeSet
+    implements AttributeSet
+  {
+    final Object [] attrs;
+    public SmallAttributeSet(AttributeSet a)
+    {
+      if (a == null)
+        attrs = new Object[0];
+      else
+        {
+          int n = a.getAttributeCount();
+          int i = 0;
+          attrs = new Object[n * 2];
+          Enumeration e = a.getAttributeNames();
+          while (e.hasMoreElements())
+            {
+              Object name = e.nextElement();
+              attrs[i++] = name;
+              attrs[i++] = a.getAttribute(name);
+            }
+        }
+    }
+
+    public SmallAttributeSet(Object [] a)
+    {
+      if (a == null)
+        attrs = new Object[0];
+      else
+        {
+          attrs = new Object[a.length];
+          System.arraycopy(a, 0, attrs, 0, a.length);
+        }
+    }
+
+    public Object clone()
+    {
+      return new SmallAttributeSet(this.attrs);
+    }
+
+    public boolean containsAttribute(Object name, Object value)
+    {
+      for (int i = 0; i < attrs.length; i += 2)
+        {
+          if (attrs[i].equals(name) &&
+              attrs[i+1].equals(value))
+            return true;
+        }
+      return false;
+    }
+
+    public boolean containsAttributes(AttributeSet a)
+    {
+      Enumeration e = a.getAttributeNames();
+      while (e.hasMoreElements())
+        {
+          Object name = e.nextElement();
+          Object val = a.getAttribute(name);
+          if (!containsAttribute(name, val))
+            return false;
+        }
+      return true;			
+    }
+
+    public AttributeSet copyAttributes()
+    {
+      return (AttributeSet) clone();
+    }
+
+    public boolean equals(Object obj)
+    {
+      return 
+        (obj instanceof SmallAttributeSet)
+        && this.isEqual((AttributeSet)obj);
+    }
+ 
+    public Object getAttribute(Object key)
+    {
+      for (int i = 0; i < attrs.length; i += 2)
+        {
+          if (attrs[i].equals(key))
+            return attrs[i+1];
+        }
+            
+      Object p = getResolveParent();
+      if (p != null && p instanceof AttributeSet)
+        return (((AttributeSet)p).getAttribute(key));
+      
+      return null;
+    }
+
+    public int getAttributeCount()
+    {
+      return attrs.length / 2;
+    }
+
+    public Enumeration getAttributeNames()
+    {      
+      return new Enumeration() 
+        {
+          int i = 0;
+          public boolean hasMoreElements() 
+          { 
+            return i < attrs.length; 
+          }
+          public Object nextElement() 
+          { 
+            i += 2; 
+            return attrs[i-2]; 
+          }
+        };
+    }
+
+    public AttributeSet getResolveParent()
+    {
+      return (AttributeSet) getAttribute(ResolveAttribute);
+    }
+
+    public int hashCode()
+    {
+      return java.util.Arrays.asList(attrs).hashCode();
+    }
+
+    public boolean isDefined(Object key)
+    {
+      for (int i = 0; i < attrs.length; i += 2)
+        {
+          if (attrs[i].equals(key))
+            return true;
+        }
+      return false;
+    }
+	
+    public boolean isEqual(AttributeSet attr)
+    {
+      return attr != null 
+        && attr.containsAttributes(this)
+        && this.containsAttributes(attr);
+    }
+	
+    public String toString()
+    {
+      StringBuffer sb = new StringBuffer();
+      sb.append("[StyleContext.SmallattributeSet:");
+      for (int i = 0; i < attrs.length; ++i)
+        {
+          sb.append(" (");
+          sb.append(attrs[i].toString());
+          sb.append("=");
+          sb.append(attrs[i+1].toString());
+          sb.append(")");
+        }
+      sb.append("]");
+      return sb.toString();
+    }
+  }
+
+  // FIXME: official javadocs suggest that these might be more usefully
+  // implemented using a WeakHashMap, but not sure if that works most
+  // places or whether it really matters anyways.
+  //
+  // FIXME: also not sure if these tables ought to be static (singletons),
+  // shared across all StyleContexts. I think so, but it's not clear in
+  // docs. revert to non-shared if you think it matters.
+
+  public static final String DEFAULT_STYLE = "default";
+  
+  static Hashtable sharedAttributeSets = new Hashtable();
+  static Hashtable sharedFonts = new Hashtable();
+
+  static StyleContext defaultStyleContext = new StyleContext();
+  static final int compressionThreshold = 9;
+  
+  EventListenerList listenerList;
+  Hashtable styleTable;
+  
+  public StyleContext()
+  {
+    listenerList = new EventListenerList();
+    styleTable = new Hashtable();
+  }
+
+  protected SmallAttributeSet createSmallAttributeSet(AttributeSet a)
+  {
+    return new SmallAttributeSet(a);
+  }
+  
+  protected MutableAttributeSet createLargeAttributeSet(AttributeSet a)
+  {
+    return new SimpleAttributeSet(a);
+  }
+
+  public void addChangeListener(ChangeListener listener)
+  {
+    listenerList.add(ChangeListener.class, listener);
+  }
+
+  public void removeChangeListener(ChangeListener listener)
+  {
+    listenerList.remove(ChangeListener.class, listener);
+  }
+
+  public ChangeListener[] getChangeListeners()
+  {
+    return (ChangeListener[]) listenerList.getListeners(ChangeListener.class);
+  }
+    
+  public Style addStyle(String name, Style parent)
+  {
+    Style newStyle = new NamedStyle(name, parent);
+    if (name != null)
+      styleTable.put(name, newStyle);
+    return newStyle;
+  }
+
+  public void removeStyle(String name)
+  {
+    styleTable.remove(name);
+  }
+
+  public Style getStyle(String name)
+  {
+    return (Style) styleTable.get(name);
+  }
+
+  public Enumeration getStyleNames()
+  {
+    return styleTable.keys();
+  }
+
+  //
+  // StyleContexts only understand the "simple" model of fonts present in
+  // pre-java2d systems: fonts are a family name, a size (integral number
+  // of points), and a mask of style parameters (plain, bold, italic, or
+  // bold|italic). We have an inner class here called SimpleFontSpec which
+  // holds such triples.
+  //
+  // A SimpleFontSpec can be built for *any* AttributeSet because the size,
+  // family, and style keys in an AttributeSet have default values (defined
+  // over in StyleConstants).
+  //
+  // We keep a static cache mapping SimpleFontSpecs to java.awt.Fonts, so
+  // that we reuse Fonts between styles and style contexts.
+  // 
+
+  private static class SimpleFontSpec
+  {
+    String family;
+    int style;
+    int size;
+    public SimpleFontSpec(String family,
+                          int style,
+                          int size)
+    {
+      this.family = family;
+      this.style = style;
+      this.size = size;
+    }
+    public boolean equals(Object obj)
+    {
+      return (obj != null)
+        && (obj instanceof SimpleFontSpec)
+        && (((SimpleFontSpec)obj).family.equals(this.family))
+        && (((SimpleFontSpec)obj).style == this.style)
+        && (((SimpleFontSpec)obj).size == this.size);
+    }
+    public int hashCode()
+    {
+      return family.hashCode() + style + size;
+    }
+  }
+  
+  public Font getFont(AttributeSet attr)
+  {
+    String family = StyleConstants.getFontFamily(attr);
+    int style = Font.PLAIN;
+    if (StyleConstants.isBold(attr))
+      style += Font.BOLD;
+    if (StyleConstants.isItalic(attr))
+      style += Font.ITALIC;      
+    int size = StyleConstants.getFontSize(attr);
+    return getFont(family, style, size);
+  }
+
+  public Font getFont(String family, int style, int size)
+  {
+    SimpleFontSpec spec = new SimpleFontSpec(family, style, size);
+    if (sharedFonts.containsKey(spec))
+      return (Font) sharedFonts.get(spec);
+    else
+      {
+        Font tmp = new Font(family, style, size);
+        sharedFonts.put(spec, tmp);
+        return tmp;
+      }
+  }
+  
+  public FontMetrics getFontMetrics(Font f)
+  {
+    return Toolkit.getDefaultToolkit().getFontMetrics(f);
+  }
+
+  public Color getForeground(AttributeSet a)
+  {
+    return StyleConstants.getForeground(a);
+  }
+
+  public Color getBackground(AttributeSet a)
+  {
+    return StyleConstants.getBackground(a);
+  }
+
+  protected int getCompressionThreshold() 
+  {
+    return compressionThreshold;
+  }
+
+  public static StyleContext getDefaultStyleContext()
+  {
+    return defaultStyleContext;
+  }
+
+  public AttributeSet addAttribute(AttributeSet old, Object name, Object value)
+  {
+    if (old instanceof MutableAttributeSet)
+      {
+        ((MutableAttributeSet)old).addAttribute(name, value);
+        return old;
+      }
+    else 
+      {
+        MutableAttributeSet mutable = createLargeAttributeSet(old);
+        mutable.addAttribute(name, value);
+        if (mutable.getAttributeCount() >= getCompressionThreshold())
+          return mutable;
+        else
+          {
+            SmallAttributeSet small = createSmallAttributeSet(mutable);
+            if (sharedAttributeSets.containsKey(small))
+              small = (SmallAttributeSet) sharedAttributeSets.get(small);
+            else
+              sharedAttributeSets.put(small,small);
+            return small;
+          }
+      }
+  }
+
+  public AttributeSet addAttributes(AttributeSet old, AttributeSet attributes)
+  {
+    if (old instanceof MutableAttributeSet)
+      {
+        ((MutableAttributeSet)old).addAttributes(attributes);
+        return old;
+      }
+    else 
+      {
+        MutableAttributeSet mutable = createLargeAttributeSet(old);
+        mutable.addAttributes(attributes);
+        if (mutable.getAttributeCount() >= getCompressionThreshold())
+          return mutable;
+        else
+          {
+            SmallAttributeSet small = createSmallAttributeSet(mutable);
+            if (sharedAttributeSets.containsKey(small))
+              small = (SmallAttributeSet) sharedAttributeSets.get(small);
+            else
+              sharedAttributeSets.put(small,small);
+            return small;
+          }
+      }
+  }
+
+  public AttributeSet getEmptySet()
+  {
+    AttributeSet e = createSmallAttributeSet(null);
+    if (sharedAttributeSets.containsKey(e))
+      e = (AttributeSet) sharedAttributeSets.get(e);
+    else
+      sharedAttributeSets.put(e, e);
+    return e;
+  }
+
+  public void reclaim(AttributeSet attributes)
+  {
+    if (sharedAttributeSets.containsKey(attributes))
+      sharedAttributeSets.remove(attributes);
+  }
+
+  public AttributeSet removeAttribute(AttributeSet old, Object name)
+  {
+    if (old instanceof MutableAttributeSet)
+      {
+        ((MutableAttributeSet)old).removeAttribute(name);
+        if (old.getAttributeCount() < getCompressionThreshold())
+          {
+            SmallAttributeSet small = createSmallAttributeSet(old);
+            if (!sharedAttributeSets.containsKey(small))
+              sharedAttributeSets.put(small,small);
+            old = (AttributeSet) sharedAttributeSets.get(small);
+          }
+        return old;
+      }
+    else 
+      {          
+        MutableAttributeSet mutable = createLargeAttributeSet(old);
+        mutable.removeAttribute(name);
+        SmallAttributeSet small = createSmallAttributeSet(mutable);
+        if (sharedAttributeSets.containsKey(small))
+          small = (SmallAttributeSet) sharedAttributeSets.get(small);
+        else
+          sharedAttributeSets.put(small,small);
+        return small;
+      }
+  }
+
+  public AttributeSet removeAttributes(AttributeSet old, AttributeSet attributes)
+  {
+    return removeAttributes(old, attributes.getAttributeNames());
+  }
+
+  public AttributeSet removeAttributes(AttributeSet old, Enumeration names)
+  {
+    if (old instanceof MutableAttributeSet)
+      {
+        ((MutableAttributeSet)old).removeAttributes(names);
+        if (old.getAttributeCount() < getCompressionThreshold())
+          {
+            SmallAttributeSet small = createSmallAttributeSet(old);
+            if (!sharedAttributeSets.containsKey(small))
+              sharedAttributeSets.put(small,small);
+            old = (AttributeSet) sharedAttributeSets.get(small);
+          }
+        return old;
+      }
+    else 
+      {          
+        MutableAttributeSet mutable = createLargeAttributeSet(old);
+        mutable.removeAttributes(names);
+        SmallAttributeSet small = createSmallAttributeSet(mutable);
+        if (sharedAttributeSets.containsKey(small))
+          small = (SmallAttributeSet) sharedAttributeSets.get(small);
+        else
+          sharedAttributeSets.put(small,small);
+        return small;
+      }	
+  }
+
+
+  // FIXME: there's some sort of quasi-serialization stuff in here which I
+  // have left incomplete; I'm not sure I understand the intent properly.
+
+  public static Object getStaticAttribute(Object key)
+  {
+    throw new InternalError("not implemented");
+  }
+  
+  public static Object getStaticAttributeKey(Object key)
+  {
+    throw new InternalError("not implemented");
+  }
+
+  public static void readAttributeSet(ObjectInputStream in, MutableAttributeSet a)
+    throws ClassNotFoundException, IOException
+  {
+    throw new InternalError("not implemented");
+  }
+  
+  public static void writeAttributeSet(ObjectOutputStream out, AttributeSet a)
+    throws IOException
+  {
+    throw new InternalError("not implemented");
+  }
+
+  public void readAttributes(ObjectInputStream in, MutableAttributeSet a)
+    throws ClassNotFoundException, IOException 
+  {
+    throw new InternalError("not implemented");
+  }
+
+  public void writeAttributes(ObjectOutputStream out, AttributeSet a)
+    throws IOException
+  {
+    throw new InternalError("not implemented");
+  }
+}
diff --git a/libjava/javax/swing/text/TabSet.java b/libjava/javax/swing/text/TabSet.java
new file mode 100644
index 00000000000..58ae65ef096
--- /dev/null
+++ b/libjava/javax/swing/text/TabSet.java
@@ -0,0 +1,102 @@
+/* TabSet.java --
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package javax.swing.text;
+
+import java.io.Serializable;
+
+public class TabSet implements Serializable
+{
+  TabStop[] tabs;
+
+  public TabSet(TabStop[] t) 
+  {
+    tabs = t;
+  }
+ 
+  public TabStop getTab(int i) 
+  {
+    return tabs[i];
+  }
+
+  public TabStop getTabAfter(float location) 
+  {
+    int idx = getTabIndexAfter(location);
+    if (idx == -1)
+      return null;
+    else
+      return tabs[idx];        
+  }
+
+  public int getTabCount() 
+  {
+    return tabs.length;
+  }
+
+  public int getTabIndex(TabStop tab) 
+  {
+    for (int i = 0; i < tabs.length; ++i)
+      if (tabs[i] == tab)
+        return i;
+    return -1;
+  }
+
+  public int getTabIndexAfter(float location) 
+  {
+    int idx = -1;
+    for (int i = 0; i < tabs.length; ++i)
+      {
+        if (location < tabs[i].getPosition())
+          idx = i;
+      }
+    return idx;
+  }
+
+  public String toString()
+  {
+    StringBuffer sb = new StringBuffer();
+    sb.append("[");
+    for (int i = 0; i < tabs.length; ++i)
+      {
+        if (i != 0)
+          sb.append(" - ");
+        sb.append(tabs[i].toString());
+      }
+    sb.append("]");
+    return sb.toString();
+  }
+}
diff --git a/libjava/javax/swing/text/TabStop.java b/libjava/javax/swing/text/TabStop.java
new file mode 100644
index 00000000000..2c95a63e4b7
--- /dev/null
+++ b/libjava/javax/swing/text/TabStop.java
@@ -0,0 +1,133 @@
+/* TabSet.java --
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package javax.swing.text;
+
+import java.io.Serializable;
+
+public class TabStop implements Serializable
+{
+  public static final int ALIGN_LEFT = 0;
+  public static final int ALIGN_RIGHT = 1;
+  public static final int ALIGN_CENTER = 2;
+  public static final int ALIGN_DECIMAL = 4;
+  public static final int ALIGN_BAR = 5;
+
+  public static final int LEAD_NONE = 0;
+  public static final int LEAD_DOTS = 1;
+  public static final int LEAD_HYPHENS = 2;
+  public static final int LEAD_UNDERLINE = 3;
+  public static final int LEAD_THICKLINE = 4;
+  public static final int LEAD_EQUALS = 5;
+
+  float pos;
+  int align;
+  int leader;
+
+  public TabStop(float pos) 
+  {
+    this(pos, ALIGN_LEFT, LEAD_NONE);
+  }
+  
+  public TabStop(float pos, int align, int leader)
+  {
+    this.pos = pos;
+    this.align = align;
+    this.leader = leader;
+  }
+    
+  public boolean equals(Object other) 
+  {
+    return (other != null)
+      && (other instanceof TabStop)
+      && (((TabStop)other).getPosition() == this.getPosition())
+      && (((TabStop)other).getLeader() == this.getLeader())
+      && (((TabStop)other).getAlignment() == this.getAlignment());
+  }
+
+  public int getAlignment() 
+  {
+    return align;
+  }
+
+  public int getLeader() 
+  {
+    return leader;
+  }
+
+  public float getPosition() 
+  {
+    return pos;
+  }
+
+  public int hashCode() 
+  {
+    return (int) pos + (int) leader + (int) align;
+  }
+
+  public String toString() 
+  {
+    String prefix = "";
+    switch (align)
+      {
+      case ALIGN_LEFT:
+        prefix = "left ";
+        break;
+      case ALIGN_RIGHT:
+        prefix = "right ";
+        break;
+
+      case ALIGN_CENTER:
+        prefix = "center ";
+        break;
+
+      case ALIGN_DECIMAL:
+        prefix = "decimal ";
+        break;
+        
+      case ALIGN_BAR:
+        prefix = "bar ";
+        break;
+
+      default:
+        break;
+      }
+    
+    return (prefix + "tab @" + pos + ((leader == LEAD_NONE) ? "" : "(w/leaders)"));
+  }
+
+}
diff --git a/libjava/javax/swing/text/Utilities.java b/libjava/javax/swing/text/Utilities.java
new file mode 100644
index 00000000000..61c13eef509
--- /dev/null
+++ b/libjava/javax/swing/text/Utilities.java
@@ -0,0 +1,182 @@
+/* Utilities.java --
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.swing.text;
+
+import java.awt.FontMetrics;
+import java.awt.Graphics;
+
+/**
+ * A set of utilities to deal with text. This is used by several other classes
+ * inside this package.
+ *
+ * @author Roman Kennke <roman@ontographics.com>
+ */
+public class Utilities
+{
+  /**
+   * The length of the char buffer that holds the characters to be drawn.
+   */
+  private static final int BUF_LENGTH = 64;
+
+  /**
+   * Creates a new <code>Utilities</code> object.
+   */
+  public Utilities()
+  {
+    // Nothing to be done here.
+  }
+
+  /**
+   * Draws the given text segment. Contained tabs and newline characters
+   * are taken into account. Tabs are expanded using the
+   * specified {@link TabExpander}.
+   *
+   * @param s the text fragment to be drawn.
+   * @param x the x position for drawing.
+   * @param y the y position for drawing.
+   * @param g the {@link Graphics} context for drawing.
+   * @param e the {@link TabExpander} which specifies the Tab-expanding
+   *     technique.
+   * @param startOffset starting offset in the text.
+   * @return the x coordinate at the end of the drawn text.
+   */
+  public static final int drawTabbedText(Segment s, int x, int y, Graphics g,
+                                         TabExpander e, int startOffset)
+  {
+    // This buffers the chars to be drawn.
+    char[] buffer = s.array;
+
+
+    // The current x and y pixel coordinates.
+    int pixelX = x;
+    int pixelY = y;
+
+    // The font metrics of the current selected font.
+    FontMetrics metrics = g.getFontMetrics();
+    int ascent = metrics.getAscent();
+
+    for (int offset = s.offset; offset < (s.offset + s.count); ++offset)
+      {
+	switch (buffer[offset])
+	  {
+	  case '\t':
+	    // In case we have a tab, we just 'jump' over the tab.
+	    // When we have no tab expander we just use the width of 'm'.
+	    if (e != null)
+	      pixelX = (int) e.nextTabStop((float) pixelX,
+					   startOffset + offset - s.offset);
+	    else
+	      pixelX += metrics.charWidth(' ');
+	    break;
+	  case '\n':
+	    // In case we have a newline, we must draw
+	    // the buffer and jump on the next line.
+	    g.drawChars(buffer, offset, 1, pixelX, y);
+	    pixelY += metrics.getHeight();
+	    pixelX = x;
+	    break;
+	  default:
+	    // Here we draw the char.
+	    g.drawChars(buffer, offset, 1, pixelX, pixelY + ascent);
+	    pixelX += metrics.charWidth(buffer[offset]);
+	    break;
+	  }
+      }
+
+    return pixelX;
+  }
+
+  /**
+   * Determines the width, that the given text <code>s</code> would take
+   * if it was printed with the given {@link java.awt.FontMetrics} on the
+   * specified screen position.
+   * @param s the text fragment
+   * @param metrics the font metrics of the font to be used
+   * @param x the x coordinate of the point at which drawing should be done
+   * @param e the {@link TabExpander} to be used
+   * @param startOffset the index in <code>s</code> where to start
+   * @returns the width of the given text s. This takes tabs and newlines
+   * into account.
+   */
+  public static final int getTabbedTextWidth(Segment s, FontMetrics metrics,
+                                             int x, TabExpander e,
+                                             int startOffset)
+  {
+    // This buffers the chars to be drawn.
+    char[] buffer = s.array;
+
+    // The current x coordinate.
+    int pixelX = x;
+
+    // The current maximum width.
+    int maxWidth = 0;
+
+    for (int offset = s.offset; offset < (s.offset + s.count); ++offset)
+      {
+	switch (buffer[offset])
+	  {
+	  case '\t':
+	    // In case we have a tab, we just 'jump' over the tab.
+	    // When we have no tab expander we just use the width of 'm'.
+	    if (e != null)
+	      pixelX = (int) e.nextTabStop((float) pixelX,
+					   startOffset + offset - s.offset);
+	    else
+	      pixelX += metrics.charWidth(' ');
+	    break;
+	  case '\n':
+	    // In case we have a newline, we must 'draw'
+	    // the buffer and jump on the next line.
+	    pixelX += metrics.charWidth(buffer[offset]);
+	    maxWidth = Math.max(maxWidth, pixelX - x);
+	    pixelX = x;
+	    break;
+	  default:
+	    // Here we draw the char.
+	    pixelX += metrics.charWidth(buffer[offset]);
+	    break;
+	  }
+      }
+
+    // Take the last line into account.
+    maxWidth = Math.max(maxWidth, pixelX - x);
+
+    return maxWidth;
+  }
+}