--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwt/custom/StyleRange.d	Sat Aug 09 17:00:02 2008 +0200
@@ -0,0 +1,201 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2007 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+module dwt.custom;
+
+import dwt.*;
+import dwt.graphics.*;
+import dwt.internal.CloneableCompatibility;
+
+public class StyleRange : TextStyle : CloneableCompatibility {
+    
+    /**
+     * the start offset of the range, zero-based from the document start
+     */
+    public int start;
+    
+    /**
+     * the length of the range
+     */
+    public int length;
+
+    /**
+     * the font style of the range. It may be a combination of
+     * DWT.NORMAL, DWT.ITALIC or DWT.BOLD
+     * 
+     * Note: the font style is not used if the <code>font</code> attribute
+     * is set
+     */
+    public int fontStyle = DWT.NORMAL;
+    
+/**
+ * Create a new style range with no styles
+ * 
+ * @since 3.2
+ */
+public StyleRange() {
+}
+
+/** 
+ * Create a new style range from an existing text style.
+ *
+ *@param style the text style to copy
+ *
+ *@since 3.4
+ */
+public StyleRange(TextStyle style) {
+    super(style);
+}
+
+/** 
+ * Create a new style range.
+ *
+ * @param start start offset of the style
+ * @param length length of the style 
+ * @param foreground foreground color of the style, null if none 
+ * @param background background color of the style, null if none
+ */
+public StyleRange(int start, int length, Color foreground, Color background) {
+    super(null, foreground, background);
+    this.start = start;
+    this.length = length;
+}
+
+/** 
+ * Create a new style range.
+ *
+ * @param start start offset of the style
+ * @param length length of the style 
+ * @param foreground foreground color of the style, null if none 
+ * @param background background color of the style, null if none
+ * @param fontStyle font style of the style, may be DWT.NORMAL, DWT.ITALIC or DWT.BOLD
+ */
+public StyleRange(int start, int length, Color foreground, Color background, int fontStyle) {
+    this(start, length, foreground, background);
+    this.fontStyle = fontStyle;
+}
+
+/**
+ * Compares the argument to the receiver, and returns true
+ * if they represent the <em>same</em> object using a class
+ * specific comparison.
+ *
+ * @param object the object to compare with this object
+ * @return <code>true</code> if the object is the same as this object and <code>false</code> otherwise
+ *
+ * @see #toHash()
+ */
+public bool opEquals(Object object) {
+    if (object is this) return true;
+    if (object instanceof StyleRange) {
+        StyleRange style = (StyleRange)object;
+        if (start !is style.start) return false;
+        if (length !is style.length) return false;
+        return similarTo(style);
+    }
+    return false;
+}
+
+/**
+ * Returns an integer hash code for the receiver. Any two 
+ * objects that return <code>true</code> when passed to 
+ * <code>opEquals</code> must return the same value for this
+ * method.
+ *
+ * @return the receiver's hash
+ *
+ * @see #opEquals(Object)
+ */
+public int toHash() {
+    return super.toHash() ^ fontStyle;
+}
+bool isVariableHeight() {
+    return font !is null || metrics !is null || rise !is 0;
+}
+/**
+ * Returns whether or not the receiver is unstyled (i.e., does not have any 
+ * style attributes specified).
+ *
+ * @return true if the receiver is unstyled, false otherwise.
+ */
+public bool isUnstyled() {
+    if (font !is null) return false;
+    if (rise !is 0) return false;
+    if (metrics !is null) return false;
+    if (foreground !is null) return false;
+    if (background !is null) return false;
+    if (fontStyle !is DWT.NORMAL) return false;
+    if (underline) return false;
+    if (strikeout) return false;
+    if (borderStyle !is DWT.NONE) return false;
+    return true;
+}
+
+/**
+ * Compares the specified object to this StyleRange and answer if the two 
+ * are similar. The object must be an instance of StyleRange and have the
+ * same field values for except for start and length.
+ *
+ * @param style the object to compare with this object
+ * @return true if the objects are similar, false otherwise
+ */
+public bool similarTo(StyleRange style) {
+    if (!super.opEquals(style)) return false;
+    if (fontStyle !is style.fontStyle) return false;
+    return true;
+}
+
+/**
+ * Returns a new StyleRange with the same values as this StyleRange.
+ *
+ * @return a shallow copy of this StyleRange
+ */ 
+public Object clone() {
+    try {
+        return super.clone();
+    } catch (CloneNotSupportedException e) {
+        return null;
+    }
+}
+
+/**
+ * Returns a String containing a concise, human-readable
+ * description of the receiver.
+ *
+ * @return a String representation of the StyleRange
+ */
+public String toString() {
+    StringBuffer buffer = new StringBuffer();
+    buffer.append("StyleRange {");
+    buffer.append(start);
+    buffer.append(", ");
+    buffer.append(length);
+    buffer.append(", fontStyle=");
+    switch (fontStyle) {
+        case DWT.BOLD:
+            buffer.append("bold");
+            break;
+        case DWT.ITALIC:
+            buffer.append("italic");
+            break;
+        case DWT.BOLD | DWT.ITALIC:
+            buffer.append("bold-italic");
+            break;
+        default:
+            buffer.append("normal");
+    }
+    String str = super.toString();
+    int index = str.indexOf('{');
+    str = str.substring(index + 1);
+    if (str.length() > 1) buffer.append(", ");
+    buffer.append(str);
+    return buffer.toString();
+}
+}