--- a/epoc32/include/mw/eikedwob.h	Tue Nov 24 13:55:44 2009 +0000
+++ b/epoc32/include/mw/eikedwob.h	Tue Mar 16 16:12:26 2010 +0000
@@ -1,1 +1,100 @@
-eikedwob.h
+/*
+* Copyright (c) 1997-1999 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
+* which accompanies this distribution, and is available
+* at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+#if !defined(__EIKEDWOB_H__)
+#define __EIKEDWOB_H__
+
+class CEikEdwin;
+
+/**
+ * Interface class describing the functionality expected of an observer
+ * for CEikEdwins.
+ * 
+ * Edwin observers are informed by the edwin whenever its content is
+ * changed, or whenever the user changes the cursor position.
+ * 
+ * This class should be derived from by all observers of edwins.
+ */
+class MEikEdwinObserver
+	{
+public:
+    /**
+     * Events from a value editor.
+     */
+	enum TEdwinEvent
+		{
+		/** Sent whenever the content of the edwin changes. */
+		EEventFormatChanged,
+		/** Sent on receipt of a navigation command. */
+		EEventNavigation,
+		/**
+		 * Sent whenever the text of the edwin changes. To observe
+		 * actual changes in the contents of the editor this should
+		 * be preferred to EEventFormatChanged.
+		 */
+		EEventTextUpdate,
+		/** Sent on receipt of a scroll event. */
+		EEventScroll,
+		/** Sent if you explicitly call edwin's SetTextL() */
+		EEventTextUpdateAPI
+		};
+public:
+    /**
+     * This pure virtual function is invoked by CEikEdwin to report an event
+     * to its observer. The observer may respond appropriately.
+     * 
+     * @param aEdwin  The originating edwin. 
+     * @param aEventType  The event being reported. 
+     */
+	virtual void HandleEdwinEventL(CEikEdwin* aEdwin,TEdwinEvent aEventType)=0;
+	};
+
+/**
+ * Interface to handle changes to an edwin's size.
+ */
+class MEikEdwinSizeObserver
+	{
+public:
+    /**
+     * Specifies the type of event reported to the edwin observer.
+     */
+	enum TEdwinSizeEvent
+		{
+		/**
+		 * Specifies a change in edwin size. When the edwin observer
+		 * receives an event of this type, it handles it by making
+		 * its view bigger or smaller according to the new edwin size.
+		 */
+		EEventSizeChanging
+		};
+public:
+    /**
+     * Handles a change in the edwin's size. If you implement this function,
+     * ensure it returns ETrue if you wish to redraw the edwin.
+     * 
+     * @param aEdwin The edwin for which the size event is being handled.
+     * @param aEventType The event type.
+     * @param aDesirableEdwinSize The desired size for the edwin identified
+     * by aEdwin.
+     * @return The return value depends on your implementation. Return
+     * ETrue if you wish to redraw the edwin. EFalse otherwise.
+     */
+	virtual TBool HandleEdwinSizeEventL(CEikEdwin* aEdwin, TEdwinSizeEvent aEventType, TSize aDesirableEdwinSize)=0;
+	};
+
+#endif