restore HEAD after accidental deletion by error in automated build script

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diff --git a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Link.java b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Link.java
new file mode 100644
index 0000000000..bf0d12ea71
--- /dev/null
+++ b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Link.java
@@ -0,0 +1,1010 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2009 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
+ *******************************************************************************/
+package org.eclipse.swt.widgets;
+
+import org.eclipse.swt.internal.win32.*;
+import org.eclipse.swt.*;
+import org.eclipse.swt.graphics.*;
+import org.eclipse.swt.events.*;
+import org.eclipse.swt.accessibility.*;
+
+/**
+ * Instances of this class represent a selectable
+ * user interface object that displays a text with 
+ * links.
+ * <p>
+ * <dl>
+ * <dt><b>Styles:</b></dt>
+ * <dd>(none)</dd>
+ * <dt><b>Events:</b></dt>
+ * <dd>Selection</dd>
+ * </dl>
+ * <p>
+ * IMPORTANT: This class is <em>not</em> intended to be subclassed.
+ * </p>
+ *
+ * @see <a href="http://www.eclipse.org/swt/snippets/#link">Link snippets</a>
+ * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample</a>
+ * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
+ * 
+ * @since 3.1
+ * @noextend This class is not intended to be subclassed by clients.
+ */
+public class Link extends Control {
+	String text;
+	TextLayout layout;
+	Color linkColor, disabledColor;
+	Point [] offsets;
+	Point selection;
+	String [] ids;
+	int [] mnemonics;
+	int focusIndex, mouseDownIndex;
+	int /*long*/ font;
+	static final RGB LINK_FOREGROUND = new RGB (0, 51, 153);
+	static final int /*long*/ LinkProc;
+	static final TCHAR LinkClass = new TCHAR (0, OS.WC_LINK, true);
+	static {
+		if (OS.COMCTL32_MAJOR >= 6) {
+			WNDCLASS lpWndClass = new WNDCLASS ();
+			OS.GetClassInfo (0, LinkClass, lpWndClass);
+			LinkProc = lpWndClass.lpfnWndProc;
+			/*
+			* Feature in Windows.  The SysLink window class
+			* does not include CS_DBLCLKS.  This means that these
+			* controls will not get double click messages such as
+			* WM_LBUTTONDBLCLK.  The fix is to register a new 
+			* window class with CS_DBLCLKS.
+			* 
+			* NOTE:  Screen readers look for the exact class name
+			* of the control in order to provide the correct kind
+			* of assistance.  Therefore, it is critical that the
+			* new window class have the same name.  It is possible
+			* to register a local window class with the same name
+			* as a global class.  Since bits that affect the class
+			* are being changed, it is possible that other native
+			* code, other than SWT, could create a control with
+			* this class name, and fail unexpectedly.
+			*/
+			int /*long*/ hInstance = OS.GetModuleHandle (null);
+			int /*long*/ hHeap = OS.GetProcessHeap ();
+			lpWndClass.hInstance = hInstance;
+			lpWndClass.style &= ~OS.CS_GLOBALCLASS;
+			lpWndClass.style |= OS.CS_DBLCLKS;
+			int byteCount = LinkClass.length () * TCHAR.sizeof;
+			int /*long*/ lpszClassName = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, byteCount);
+			OS.MoveMemory (lpszClassName, LinkClass, byteCount);
+			lpWndClass.lpszClassName = lpszClassName;
+			OS.RegisterClass (lpWndClass);
+			OS.HeapFree (hHeap, 0, lpszClassName);
+		} else {
+			LinkProc = 0;
+		}
+	}
+	
+/**
+ * Constructs a new instance of this class given its parent
+ * and a style value describing its behavior and appearance.
+ * <p>
+ * The style value is either one of the style constants defined in
+ * class <code>SWT</code> which is applicable to instances of this
+ * class, or must be built by <em>bitwise OR</em>'ing together 
+ * (that is, using the <code>int</code> "|" operator) two or more
+ * of those <code>SWT</code> style constants. The class description
+ * lists the style constants that are applicable to the class.
+ * Style bits are also inherited from superclasses.
+ * </p>
+ *
+ * @param parent a composite control which will be the parent of the new instance (cannot be null)
+ * @param style the style of control to construct
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
+ *    <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
+ * </ul>
+ *
+ * @see Widget#checkSubclass
+ * @see Widget#getStyle
+ */
+public Link (Composite parent, int style) {
+	super (parent, style);
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when the control is selected by the user, by sending
+ * it one of the messages defined in the <code>SelectionListener</code>
+ * interface.
+ * <p>
+ * <code>widgetSelected</code> is called when the control is selected by the user.
+ * <code>widgetDefaultSelected</code> is not called.
+ * </p>
+ *
+ * @param listener the listener which should be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see SelectionListener
+ * @see #removeSelectionListener
+ * @see SelectionEvent
+ */
+public void addSelectionListener (SelectionListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	TypedListener typedListener = new TypedListener (listener);
+	addListener (SWT.Selection, typedListener);
+	addListener (SWT.DefaultSelection, typedListener);
+}
+
+int /*long*/ callWindowProc (int /*long*/ hwnd, int msg, int /*long*/ wParam, int /*long*/ lParam) {
+	if (handle == 0) return 0;
+	if (LinkProc != 0) {
+		/*
+		* Feature in Windows.  By convention, native Windows controls
+		* check for a non-NULL wParam, assume that it is an HDC and
+		* paint using that device.  The SysLink control does not.
+		* The fix is to check for an HDC and use WM_PRINTCLIENT.
+		*/
+		switch (msg) {
+			case OS.WM_PAINT:
+				if (wParam != 0) {
+					OS.SendMessage (hwnd, OS.WM_PRINTCLIENT, wParam, 0);
+					return 0;
+				}
+				break;
+		}
+		return OS.CallWindowProc (LinkProc, hwnd, msg, wParam, lParam);
+	}
+	return OS.DefWindowProc (hwnd, msg, wParam, lParam);
+}
+
+public Point computeSize (int wHint, int hHint, boolean changed) {
+	checkWidget ();
+	if (wHint != SWT.DEFAULT && wHint < 0) wHint = 0;
+	if (hHint != SWT.DEFAULT && hHint < 0) hHint = 0;
+	int width, height;
+	if (OS.COMCTL32_MAJOR >= 6) {
+		int /*long*/ hDC = OS.GetDC (handle);
+		int /*long*/ newFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0);
+		int /*long*/ oldFont = OS.SelectObject (hDC, newFont);
+		if (text.length () > 0) {
+			TCHAR buffer = new TCHAR (getCodePage (), parse (text), false);
+			RECT rect = new RECT ();
+			int flags = OS.DT_CALCRECT | OS.DT_NOPREFIX;
+			if (wHint != SWT.DEFAULT) {
+				flags |= OS.DT_WORDBREAK;
+				rect.right = wHint;
+			}
+			OS.DrawText (hDC, buffer, buffer.length (), rect, flags);
+			width = rect.right - rect.left;
+			height = rect.bottom;
+		} else {
+			TEXTMETRIC lptm = OS.IsUnicode ? (TEXTMETRIC)new TEXTMETRICW () : new TEXTMETRICA ();
+			OS.GetTextMetrics (hDC, lptm);
+			width = 0;
+			height = lptm.tmHeight;
+		}
+		if (newFont != 0) OS.SelectObject (hDC, oldFont);
+		OS.ReleaseDC (handle, hDC);
+	} else {
+		int layoutWidth = layout.getWidth ();
+		//TEMPORARY CODE
+		if (wHint == 0) {
+			layout.setWidth (1);
+			Rectangle rect = layout.getBounds ();
+			width = 0;
+			height = rect.height;
+		} else {
+			layout.setWidth (wHint);
+			Rectangle rect = layout.getBounds ();
+			width = rect.width;
+			height = rect.height;
+		}
+		layout.setWidth (layoutWidth);
+	}
+	if (wHint != SWT.DEFAULT) width = wHint;
+	if (hHint != SWT.DEFAULT) height = hHint;
+	int border = getBorderWidth ();
+	width += border * 2;
+	height += border * 2;
+	return new Point (width, height);
+}
+
+void createHandle () {
+	super.createHandle ();
+	state |= THEME_BACKGROUND;
+	if (OS.COMCTL32_MAJOR < 6) {
+		layout = new TextLayout (display);
+		if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION (4, 10)) {
+			linkColor = Color.win32_new (display, OS.GetSysColor (OS.COLOR_HOTLIGHT));
+		} else {
+			linkColor = new Color (display, LINK_FOREGROUND);
+		}
+		disabledColor = Color.win32_new (display, OS.GetSysColor (OS.COLOR_GRAYTEXT));
+		offsets = new Point [0];
+		ids = new String [0];
+		mnemonics = new int [0];
+		selection = new Point (-1, -1);
+		focusIndex = mouseDownIndex = -1;
+	}
+}
+
+void createWidget () {
+	super.createWidget ();
+	text = "";
+	if (OS.COMCTL32_MAJOR < 6) {
+		if ((style & SWT.MIRRORED) != 0) {
+			layout.setOrientation (SWT.RIGHT_TO_LEFT);
+		}
+		initAccessible ();
+	}
+}
+
+void drawWidget (GC gc, RECT rect) {
+	drawBackground (gc.handle, rect);
+	int selStart = selection.x;
+	int selEnd = selection.y;
+	if (selStart > selEnd) {
+		selStart = selection.y;
+		selEnd = selection.x;
+	}
+	// temporary code to disable text selection
+	selStart = selEnd = -1;
+	if (!OS.IsWindowEnabled (handle)) gc.setForeground (disabledColor);
+	layout.draw (gc, 0, 0, selStart, selEnd, null, null);
+	if (hasFocus () && focusIndex != -1) {
+		Rectangle [] rects = getRectangles (focusIndex);
+		for (int i = 0; i < rects.length; i++) {
+			Rectangle rectangle = rects [i];
+			gc.drawFocus (rectangle.x, rectangle.y, rectangle.width, rectangle.height);					
+		}
+	}
+	if (hooks (SWT.Paint) || filters (SWT.Paint)) {
+		Event event = new Event ();
+		event.gc = gc;
+		event.x = rect.left;
+		event.y = rect.top;
+		event.width = rect.right - rect.left;
+		event.height = rect.bottom - rect.top;
+		sendEvent (SWT.Paint, event);
+		event.gc = null;
+	}
+}
+
+void enableWidget (boolean enabled) {
+	if (OS.COMCTL32_MAJOR >= 6) {
+		LITEM item = new LITEM ();
+		item.mask = OS.LIF_ITEMINDEX | OS.LIF_STATE;
+		item.stateMask = OS.LIS_ENABLED;
+		item.state = enabled ? OS.LIS_ENABLED : 0;
+		while (OS.SendMessage (handle, OS.LM_SETITEM, 0, item) != 0) {
+			item.iLink++;
+		}
+	} else {
+		TextStyle linkStyle = new TextStyle (null, enabled ? linkColor : disabledColor, null);
+		linkStyle.underline = true;
+		for (int i = 0; i < offsets.length; i++) {
+			Point point = offsets [i];
+			layout.setStyle (linkStyle, point.x, point.y);
+		}
+		redraw ();
+	}
+	/*
+	* Feature in Windows.  For some reason, setting
+	* LIS_ENABLED state using LM_SETITEM causes the
+	* SysLink to become enabled.  To be specific,
+	* calling IsWindowEnabled() returns true.  The
+	* fix is disable the SysLink after LM_SETITEM.
+	*/	
+	super.enableWidget (enabled);
+}
+
+void initAccessible () {
+	Accessible accessible = getAccessible ();
+	accessible.addAccessibleListener (new AccessibleAdapter () {
+		public void getName (AccessibleEvent e) {
+			e.result = parse (text);
+		}
+	});
+		
+	accessible.addAccessibleControlListener (new AccessibleControlAdapter () {
+		public void getChildAtPoint (AccessibleControlEvent e) {
+			e.childID = ACC.CHILDID_SELF;
+		}
+		
+		public void getLocation (AccessibleControlEvent e) {
+			Rectangle rect = display.map (getParent (), null, getBounds ());
+			e.x = rect.x;
+			e.y = rect.y;
+			e.width = rect.width;
+			e.height = rect.height;
+		}
+		
+		public void getChildCount (AccessibleControlEvent e) {
+			e.detail = 0;
+		}
+		
+		public void getRole (AccessibleControlEvent e) {
+			e.detail = ACC.ROLE_LINK;
+		}
+		
+		public void getState (AccessibleControlEvent e) {
+			e.detail = ACC.STATE_FOCUSABLE;
+			if (hasFocus ()) e.detail |= ACC.STATE_FOCUSED;
+		}
+		
+		public void getDefaultAction (AccessibleControlEvent e) {
+			e.result = SWT.getMessage ("SWT_Press"); //$NON-NLS-1$
+		}
+		
+		public void getSelection (AccessibleControlEvent e) {
+			if (hasFocus ()) e.childID = ACC.CHILDID_SELF;
+		}
+		
+		public void getFocus (AccessibleControlEvent e) {
+			if (hasFocus ()) e.childID = ACC.CHILDID_SELF;
+		}
+	});
+}
+
+String getNameText () {
+	return getText ();
+}
+
+Rectangle [] getRectangles (int linkIndex) {
+	int lineCount = layout.getLineCount ();
+	Rectangle [] rects = new Rectangle [lineCount];
+	int [] lineOffsets = layout.getLineOffsets ();
+	Point point = offsets [linkIndex];
+	int lineStart = 1;
+	while (point.x > lineOffsets [lineStart]) lineStart++;
+	int lineEnd = 1;
+	while (point.y > lineOffsets [lineEnd]) lineEnd++;
+	int index = 0;
+	if (lineStart == lineEnd) {
+		rects [index++] = layout.getBounds (point.x, point.y);
+	} else {
+		rects [index++] = layout.getBounds (point.x, lineOffsets [lineStart]-1);
+		rects [index++] = layout.getBounds (lineOffsets [lineEnd-1], point.y);
+		if (lineEnd - lineStart > 1) {
+			for (int i = lineStart; i < lineEnd - 1; i++) {
+				rects [index++] = layout.getLineBounds (i);
+			}
+		}
+	}
+	if (rects.length != index) {
+		Rectangle [] tmp = new Rectangle [index];
+		System.arraycopy (rects, 0, tmp, 0, index);
+		rects = tmp;
+	}	
+	return rects;
+}
+
+/**
+ * Returns the receiver's text, which will be an empty
+ * string if it has never been set.
+ *
+ * @return the receiver's text
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public String getText () {
+	checkWidget ();
+	return text;
+}
+
+String parse (String string) {
+	int length = string.length ();
+	offsets = new Point [length / 4];
+	ids = new String [length / 4];
+	mnemonics = new int [length / 4 + 1];
+	StringBuffer result = new StringBuffer ();
+	char [] buffer = new char [length];
+	string.getChars (0, string.length (), buffer, 0);
+	int index = 0, state = 0, linkIndex = 0;
+	int start = 0, tagStart = 0, linkStart = 0, endtagStart = 0, refStart = 0;
+	while (index < length) {
+		char c = Character.toLowerCase (buffer [index]);
+		switch (state) {
+			case 0: 
+				if (c == '<') {
+					tagStart = index;
+					state++;
+				}
+				break;
+			case 1:
+				if (c == 'a') state++;
+				break;
+			case 2:
+				switch (c) {
+					case 'h':
+						state = 7;
+						break;
+					case '>':
+						linkStart = index  + 1;
+						state++;
+						break;
+					default:
+						if (Character.isWhitespace(c)) break;
+						else state = 13;
+				}
+				break;
+			case 3:
+				if (c == '<') {
+					endtagStart = index;
+					state++;
+				}
+				break;
+			case 4:
+				state = c == '/' ? state + 1 : 3;
+				break;
+			case 5:
+				state = c == 'a' ? state + 1 : 3;
+				break;
+			case 6:
+				if (c == '>') {
+					mnemonics [linkIndex] = parseMnemonics (buffer, start, tagStart, result);
+					int offset = result.length ();
+					parseMnemonics (buffer, linkStart, endtagStart, result);
+					offsets [linkIndex] = new Point (offset, result.length () - 1);
+					if (ids [linkIndex] == null) {
+						ids [linkIndex] = new String (buffer, linkStart, endtagStart - linkStart);
+					}
+					linkIndex++;
+					start = tagStart = linkStart = endtagStart = refStart = index + 1;
+					state = 0;
+				} else {
+					state = 3;
+				}
+				break;
+			case 7:
+				state = c == 'r' ? state + 1 : 0;
+				break;
+			case 8:
+				state = c == 'e' ? state + 1 : 0;
+				break;
+			case 9:
+				state = c == 'f' ? state + 1 : 0;
+				break;
+			case 10:
+				state = c == '=' ? state + 1 : 0;
+				break;
+			case 11:
+				if (c == '"') {
+					state++;
+					refStart = index + 1;
+				} else {
+					state = 0;
+				}
+				break;
+			case 12:
+				if (c == '"') {
+					ids[linkIndex] = new String (buffer, refStart, index - refStart);
+					state = 2;
+				}
+				break;
+			case 13:
+				if (Character.isWhitespace (c)) {
+					state = 0;
+				} else if (c == '='){
+					state++;
+				}
+				break;
+			case 14:
+				state = c == '"' ? state + 1 : 0;
+				break;
+			case 15:
+				if (c == '"') state = 2;
+				break;
+			default:
+				state = 0;
+				break;
+		}
+		index++;
+	}
+	if (start < length) {
+		int tmp = parseMnemonics (buffer, start, tagStart, result);
+		int mnemonic = parseMnemonics (buffer, Math.max (tagStart, linkStart), length, result);
+		if (mnemonic == -1) mnemonic = tmp;
+		mnemonics [linkIndex] = mnemonic;
+	} else {
+		mnemonics [linkIndex] = -1;
+	}
+	if (offsets.length != linkIndex) {
+		Point [] newOffsets = new Point [linkIndex];
+		System.arraycopy (offsets, 0, newOffsets, 0, linkIndex);
+		offsets = newOffsets;
+		String [] newIDs = new String [linkIndex];
+		System.arraycopy (ids, 0, newIDs, 0, linkIndex);
+		ids = newIDs;
+		int [] newMnemonics = new int [linkIndex + 1];
+		System.arraycopy (mnemonics, 0, newMnemonics, 0, linkIndex + 1);
+		mnemonics = newMnemonics;		
+	}
+	return result.toString ();
+}
+
+int parseMnemonics (char[] buffer, int start, int end, StringBuffer result) {
+	int mnemonic = -1, index = start;
+	while (index < end) {
+		if (buffer [index] == '&') {
+			if (index + 1 < end && buffer [index + 1] == '&') {
+				result.append (buffer [index]);
+				index++;
+			} else {
+				mnemonic = result.length();
+			}
+		} else {
+			result.append (buffer [index]);
+		}
+		index++;
+	}
+	return mnemonic;
+}
+
+void releaseWidget () {
+	super.releaseWidget ();
+	if (layout != null) layout.dispose ();
+	layout = null;
+	if (linkColor != null) linkColor.dispose ();
+	linkColor = null;
+	disabledColor = null;
+	offsets = null;
+	ids = null;
+	mnemonics = null;
+	text = null;
+}
+
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when the control is selected by the user.
+ *
+ * @param listener the listener which should no longer be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see SelectionListener
+ * @see #addSelectionListener
+ */
+public void removeSelectionListener (SelectionListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	if (eventTable == null) return;
+	eventTable.unhook (SWT.Selection, listener);
+	eventTable.unhook (SWT.DefaultSelection, listener);	
+}
+
+/**
+ * Sets the receiver's text.
+ * <p>
+ * The string can contain both regular text and hyperlinks.  A hyperlink
+ * is delimited by an anchor tag, &lt;A&gt; and &lt;/A&gt;.  Within an
+ * anchor, a single HREF attribute is supported.  When a hyperlink is
+ * selected, the text field of the selection event contains either the
+ * text of the hyperlink or the value of its HREF, if one was specified.
+ * In the rare case of identical hyperlinks within the same string, the
+ * HREF attribute can be used to distinguish between them.  The string may
+ * include the mnemonic character and line delimiters. The only delimiter
+ * the HREF attribute supports is the quotation mark (").
+ * </p>
+ * 
+ * @param string the new text
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the text is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setText (String string) {
+	checkWidget ();
+	if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
+	if (string.equals (text)) return;
+	text = string;	
+	if (OS.COMCTL32_MAJOR >= 6) {
+		boolean enabled = OS.IsWindowEnabled (handle);
+		/*
+		* Bug in Windows.  For some reason, when SetWindowText()
+		* is used to set the text of a link control to the empty
+		* string, the old text remains.  The fix is to set the
+		* text to a space instead.
+		*/
+		if (string.length () == 0) string = " ";  //$NON-NLS-1$
+		TCHAR buffer = new TCHAR (getCodePage (), string, true);
+		OS.SetWindowText (handle, buffer);
+		parse (text);
+		enableWidget (enabled);
+	} else {
+		layout.setText (parse (text));	
+		focusIndex = offsets.length > 0 ? 0 : -1;
+		selection.x = selection.y = -1;
+		int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
+		if (offsets.length > 0) {
+			bits |= OS.WS_TABSTOP;
+		} else {
+			bits &= ~OS.WS_TABSTOP;
+		}
+		OS.SetWindowLong (handle, OS.GWL_STYLE, bits);
+		boolean enabled = OS.IsWindowEnabled (handle);
+		TextStyle linkStyle = new TextStyle (null, enabled ? linkColor : disabledColor, null);
+		linkStyle.underline = true;
+		for (int i = 0; i < offsets.length; i++) {
+			Point point = offsets [i];
+			layout.setStyle (linkStyle, point.x, point.y);
+		}
+		TextStyle mnemonicStyle = new TextStyle (null, null, null);
+		mnemonicStyle.underline = true;
+		for (int i = 0; i < mnemonics.length; i++) {
+			int mnemonic  = mnemonics [i];
+			if (mnemonic != -1) {
+				layout.setStyle (mnemonicStyle, mnemonic, mnemonic);
+			}
+		}
+		redraw ();
+	}
+}
+
+int widgetStyle () {
+	int bits = super.widgetStyle ();
+	return bits | OS.WS_TABSTOP;
+}
+
+TCHAR windowClass () {
+	return OS.COMCTL32_MAJOR >= 6 ? LinkClass : display.windowClass;
+}
+
+int /*long*/ windowProc () {
+	return LinkProc != 0 ? LinkProc : display.windowProc;
+}
+
+LRESULT WM_CHAR (int /*long*/ wParam, int /*long*/ lParam) {
+	LRESULT result = super.WM_CHAR (wParam, lParam);
+	if (result != null) return result;
+	if (OS.COMCTL32_MAJOR < 6) {
+		if (focusIndex == -1) return result;
+		switch ((int)/*64*/wParam) {
+			case ' ':
+			case SWT.CR:
+				Event event = new Event ();
+				event.text = ids [focusIndex];
+				sendEvent (SWT.Selection, event);
+				break;
+			case SWT.TAB:
+				boolean next = OS.GetKeyState (OS.VK_SHIFT) >= 0;
+				if (next) {
+					if (focusIndex < offsets.length - 1) {
+						focusIndex++;
+						redraw ();
+					}
+				} else {
+					if (focusIndex > 0) {
+						focusIndex--;
+						redraw ();
+					}
+				}
+				break;
+		}
+	} else {
+		switch ((int)/*64*/wParam) {
+			case ' ':
+			case SWT.CR:
+			case SWT.TAB:
+				/*
+				* NOTE: Call the window proc with WM_KEYDOWN rather than WM_CHAR
+				* so that the key that was ignored during WM_KEYDOWN is processed.
+				* This allows the application to cancel an operation that is normally
+				* performed in WM_KEYDOWN from WM_CHAR.
+				*/
+				int /*long*/ code = callWindowProc (handle, OS.WM_KEYDOWN, wParam, lParam);
+				return new LRESULT (code);
+		}
+		
+	}
+	return result;
+}
+
+LRESULT WM_GETDLGCODE (int /*long*/ wParam, int /*long*/ lParam) {
+	LRESULT result = super.WM_GETDLGCODE (wParam, lParam);
+	if (result != null) return result;
+	int index, count;
+	int /*long*/ code = 0;
+	if (OS.COMCTL32_MAJOR >= 6) {
+		LITEM item = new LITEM ();
+		item.mask = OS.LIF_ITEMINDEX | OS.LIF_STATE;
+		item.stateMask = OS.LIS_FOCUSED;
+		index = 0;
+		while (OS.SendMessage (handle, OS.LM_GETITEM, 0, item) != 0) {
+			if ((item.state & OS.LIS_FOCUSED) != 0) {
+				index = item.iLink;
+			}
+			item.iLink++;
+		}
+		count = item.iLink;
+		code = callWindowProc (handle, OS.WM_GETDLGCODE, wParam, lParam);
+	} else {
+		index = focusIndex;
+		count = offsets.length; 
+	}
+	if (count == 0) {
+		return new LRESULT (code | OS.DLGC_STATIC);
+	}
+	boolean next = OS.GetKeyState (OS.VK_SHIFT) >= 0;
+	if (next && index < count - 1) {
+		return new LRESULT (code | OS.DLGC_WANTTAB);
+	}
+	if (!next && index > 0) {
+		return new LRESULT (code | OS.DLGC_WANTTAB);
+	}
+	return result;
+}
+
+LRESULT WM_GETFONT (int /*long*/ wParam, int /*long*/ lParam) {
+	LRESULT result = super.WM_GETFONT (wParam, lParam);
+	if (result != null) return result;
+	int /*long*/ code = callWindowProc (handle, OS.WM_GETFONT, wParam, lParam);
+	if (code != 0) return new LRESULT (code);
+	if (font == 0) font = defaultFont ();
+	return new LRESULT (font);
+}
+
+LRESULT WM_KEYDOWN (int /*long*/ wParam, int /*long*/ lParam) {
+	LRESULT result = super.WM_KEYDOWN (wParam, lParam);
+	if (result != null) return result;
+	if (OS.COMCTL32_MAJOR >= 6) {
+		switch ((int)/*64*/wParam) {
+			case OS.VK_SPACE:
+			case OS.VK_RETURN:
+			case OS.VK_TAB:
+				/*
+				* Ensure that the window proc does not process VK_SPACE,
+				* VK_RETURN or VK_TAB so that it can be handled in WM_CHAR.
+				* This allows the application to cancel an operation that
+				* is normally performed in WM_KEYDOWN from WM_CHAR.
+				*/
+				return LRESULT.ZERO;
+		}
+	}
+	return result;
+}
+
+LRESULT WM_KILLFOCUS (int /*long*/ wParam, int /*long*/ lParam) {
+	LRESULT result = super.WM_KILLFOCUS (wParam, lParam);
+	if (OS.COMCTL32_MAJOR < 6) redraw ();
+	return result;
+}
+
+LRESULT WM_LBUTTONDOWN (int /*long*/ wParam, int /*long*/ lParam) {
+	LRESULT result = super.WM_LBUTTONDOWN (wParam, lParam);
+	if (result == LRESULT.ZERO) return result;
+	if (OS.COMCTL32_MAJOR < 6) {
+		if (focusIndex != -1) setFocus ();
+		int x = OS.GET_X_LPARAM (lParam);
+		int y = OS.GET_Y_LPARAM (lParam);
+		int offset = layout.getOffset (x, y, null);
+		int oldSelectionX = selection.x;
+		int oldSelectionY = selection.y;
+		selection.x = offset;
+		selection.y = -1;
+		if (oldSelectionX != -1 && oldSelectionY != -1) {
+			if (oldSelectionX > oldSelectionY) {
+				int temp = oldSelectionX;
+				oldSelectionX = oldSelectionY;
+				oldSelectionY = temp;
+			}
+			Rectangle rect = layout.getBounds (oldSelectionX, oldSelectionY);
+			redraw (rect.x, rect.y, rect.width, rect.height, false);
+		}
+		for (int j = 0; j < offsets.length; j++) {
+			Rectangle [] rects = getRectangles (j);
+			for (int i = 0; i < rects.length; i++) {
+				Rectangle rect = rects [i];
+				if (rect.contains (x, y)) {
+					if (j != focusIndex) {
+						redraw ();
+					}
+					focusIndex = mouseDownIndex = j;
+					return result;
+				}
+			}
+		}
+	}
+	return result;
+}
+
+LRESULT WM_LBUTTONUP (int /*long*/ wParam, int /*long*/ lParam) {
+	LRESULT result = super.WM_LBUTTONUP (wParam, lParam);
+	if (result == LRESULT.ZERO) return result;
+	if (OS.COMCTL32_MAJOR < 6) {
+		if (mouseDownIndex == -1) return result;
+		int x = OS.GET_X_LPARAM (lParam);
+		int y = OS.GET_Y_LPARAM (lParam);
+		Rectangle [] rects = getRectangles (mouseDownIndex);
+		for (int i = 0; i < rects.length; i++) {
+			Rectangle rect = rects [i];
+			if (rect.contains (x, y)) {
+				Event event = new Event ();
+				event.text = ids [mouseDownIndex];
+				sendEvent (SWT.Selection, event);
+				break;
+			}
+		}
+	}
+	mouseDownIndex = -1;
+	return result;
+}
+
+LRESULT WM_NCHITTEST (int /*long*/ wParam, int /*long*/ lParam) {
+	LRESULT result = super.WM_NCHITTEST (wParam, lParam);
+	if (result != null) return result;
+	
+	/*
+	* Feature in Windows. For WM_NCHITTEST, the Syslink window proc
+	* returns HTTRANSPARENT when mouse is over plain text. The fix is
+	* to always return HTCLIENT.
+	*/
+	if (OS.COMCTL32_MAJOR >= 6) return new LRESULT (OS.HTCLIENT);
+	
+	return result;
+}
+
+LRESULT WM_MOUSEMOVE (int /*long*/ wParam, int /*long*/ lParam) {
+	LRESULT result = super.WM_MOUSEMOVE (wParam, lParam);
+	if (OS.COMCTL32_MAJOR < 6) {
+		int x = OS.GET_X_LPARAM (lParam);
+		int y = OS.GET_Y_LPARAM (lParam);
+		if (OS.GetKeyState (OS.VK_LBUTTON) < 0) {
+			int oldSelection = selection.y;
+			selection.y = layout.getOffset (x, y, null);
+			if (selection.y != oldSelection) {
+				int newSelection = selection.y;
+				if (oldSelection > newSelection) {
+					int temp = oldSelection;
+					oldSelection = newSelection;
+					newSelection = temp;
+				}
+				Rectangle rect = layout.getBounds (oldSelection, newSelection);
+				redraw (rect.x, rect.y, rect.width, rect.height, false);
+			}
+		} else {
+			for (int j = 0; j < offsets.length; j++) {
+				Rectangle [] rects = getRectangles (j);
+				for (int i = 0; i < rects.length; i++) {
+					Rectangle rect = rects [i];
+					if (rect.contains (x, y)) {
+						setCursor (display.getSystemCursor (SWT.CURSOR_HAND));
+						return result;
+					}
+				}
+			}
+			setCursor (null);
+		}
+	}
+	return result;
+}
+
+LRESULT WM_PAINT (int /*long*/ wParam, int /*long*/ lParam) {
+	if (OS.COMCTL32_MAJOR >= 6) {
+		return super.WM_PAINT (wParam, lParam);
+	}
+	PAINTSTRUCT ps = new PAINTSTRUCT ();
+	GCData data = new GCData ();
+	data.ps = ps;
+	data.hwnd = handle;
+	GC gc = new_GC (data);
+	if (gc != null) {
+		int width = ps.right - ps.left;
+		int height = ps.bottom - ps.top;
+		if (width != 0 && height != 0) {
+			RECT rect = new RECT ();
+			OS.SetRect (rect, ps.left, ps.top, ps.right, ps.bottom);
+			drawWidget (gc, rect);
+		}
+		gc.dispose ();
+	}
+	return LRESULT.ZERO;
+}
+
+LRESULT WM_PRINTCLIENT (int /*long*/ wParam, int /*long*/ lParam) {
+	LRESULT result = super.WM_PRINTCLIENT (wParam, lParam);
+	if (OS.COMCTL32_MAJOR < 6) {
+		RECT rect = new RECT ();
+		OS.GetClientRect (handle, rect);
+		GCData data = new GCData ();
+		data.device = display;
+		data.foreground = getForegroundPixel ();
+		GC gc = GC.win32_new (wParam, data);
+		drawWidget (gc, rect);
+		gc.dispose ();
+	}
+	return result;
+}
+
+LRESULT WM_SETFOCUS (int /*long*/ wParam, int /*long*/ lParam) {
+	LRESULT result = super.WM_SETFOCUS (wParam, lParam);
+	if (OS.COMCTL32_MAJOR < 6) redraw ();
+	return result;
+}
+
+LRESULT WM_SETFONT (int /*long*/ wParam, int /*long*/ lParam) {
+	if (OS.COMCTL32_MAJOR < 6) {
+		layout.setFont (Font.win32_new (display, wParam));
+	}
+	if (lParam != 0) OS.InvalidateRect (handle, null, true);
+	return super.WM_SETFONT (font = wParam, lParam);
+}
+
+LRESULT WM_SIZE (int /*long*/ wParam, int /*long*/ lParam) {
+	LRESULT result = super.WM_SIZE (wParam, lParam);
+	if (OS.COMCTL32_MAJOR < 6) {
+		RECT rect = new RECT ();
+		OS.GetClientRect (handle, rect);
+		layout.setWidth (rect.right > 0 ? rect.right : -1);
+		redraw ();
+	}
+	return result;
+}
+
+LRESULT wmColorChild (int /*long*/ wParam, int /*long*/ lParam) {
+	LRESULT result = super.wmColorChild (wParam, lParam);
+	/*
+	* Feature in Windows.  When a SysLink is disabled, it does
+	* not gray out the non-link portion of the text.  The fix
+	* is to set the text color to the system gray color.
+	*/
+	if (OS.COMCTL32_MAJOR >= 6) {
+		if (!OS.IsWindowEnabled (handle)) {
+			OS.SetTextColor (wParam, OS.GetSysColor (OS.COLOR_GRAYTEXT));
+			if (result == null) {
+				int backPixel = getBackgroundPixel ();
+				OS.SetBkColor (wParam, backPixel);
+				int /*long*/ hBrush = findBrush (backPixel, OS.BS_SOLID);
+				return new LRESULT (hBrush);
+			}
+		}
+	}
+	return result;
+}
+
+LRESULT wmNotifyChild (NMHDR hdr, int /*long*/ wParam, int /*long*/ lParam) {
+	if (OS.COMCTL32_MAJOR >= 6) {
+		switch (hdr.code) {
+			case OS.NM_RETURN:
+			case OS.NM_CLICK:
+				NMLINK item = new NMLINK ();
+				OS.MoveMemory (item, lParam, NMLINK.sizeof);
+				Event event = new Event ();
+				event.text = ids [item.iLink];
+				sendEvent (SWT.Selection, event);
+				break;
+		}
+	}
+	return super.wmNotifyChild (hdr, wParam, lParam);
+}
+}