diff -r 000000000000 -r 2f259fa3e83a classicui_pub/buttons_api/inc/eikbtgps.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/classicui_pub/buttons_api/inc/eikbtgps.h	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,76 @@
+/*
+* Copyright (c) 2002-2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Button group stack class definition.
+*
+*/
+
+
+#ifndef __EIKBTGPS_H__
+#define __EIKBTGPS_H__
+
+#include <coemain.h>
+#include <eikbtgpc.h>
+
+/**
+ * A list of all button groups currently available within a thread. 
+ * 
+ * CEikButtonGroupStack maintains a list of all button groups currently 
+ * available within a thread. Only button groups that are expected to be 
+ * available to other controls will register here.
+ *
+ * @lib eikcoctl.lib
+ * @since S60 0.9 
+ */
+class CEikButtonGroupStack : public CCoeStatic
+    {
+public:
+    /**
+     * Gets the minimum size required to display all the visible button 
+     * groups on the button group stack.
+     *
+     * @return The minimum size required to display all the visible button
+     *         groups currently on the stack. 
+     */
+    IMPORT_C static TSize MinimumSize();
+
+    /**
+     * Gets the button group currently displayed.
+     *
+     * @return The button group currently displayed.
+     */
+    static CEikButtonGroupContainer* Current();
+    
+    /**
+     * Adds a button group to the button group stack.
+     *
+     * @param aGroup The button group to add to the button group stack. 
+     */    
+    static void AddL(CEikButtonGroupContainer& aGroup);
+    
+    /**
+     * Removes the specified button group from the button group stack.
+     *
+     * @param aGroup The button group to remove.
+     */    
+    static void Remove(CEikButtonGroupContainer& aGroup);
+    
+private:
+    inline CEikButtonGroupStack();
+    inline static CEikButtonGroupStack* Self();
+    
+private: // data
+    TDblQue<CEikButtonGroupContainer> iBtStack;
+    };
+
+#endif // __EIKBTGPS_H__