diff -r 000000000000 -r 2f259fa3e83a uifw/EikStd/coctlsrc/eikbtgps.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/EikStd/coctlsrc/eikbtgps.cpp	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,130 @@
+/*
+* Copyright (c) 1998 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:
+*
+*/
+
+
+#include <eikbtgps.h>
+
+const TUid KEikButtonGroupStackUid={0x10006015};
+
+//
+// class TBtGrpStackIter
+//
+
+class TBtGrpStackIter : public TDblQueIter<CEikButtonGroupContainer>
+	{
+public:
+	TBtGrpStackIter(TDblQue<CEikButtonGroupContainer>& aList);
+	};
+
+TBtGrpStackIter::TBtGrpStackIter(TDblQue<CEikButtonGroupContainer>& aList)
+	: TDblQueIter<CEikButtonGroupContainer>(aList)
+	{
+	SetToFirst();
+	}
+
+//
+// class CEikButtonGroupStack
+//
+
+CEikButtonGroupContainer* CEikButtonGroupStack::Current()
+	{ // static
+	CEikButtonGroupContainer* ret=NULL;
+	CEikButtonGroupStack* self=CEikButtonGroupStack::Self();
+	if (self)
+		{
+		TBtGrpStackIter iter(self->iBtStack);
+		CEikButtonGroupContainer* obj=NULL;
+		TInt ordinalPos=KMinTInt;
+		while ((obj=iter++)!=NULL)
+			{
+			if (obj->IsVisible())
+				{
+				const TInt winPos=obj->DrawableWindow()->OrdinalPosition();
+				if (winPos>=0 && (winPos<ordinalPos || ordinalPos<0))
+					{
+					ordinalPos=winPos;
+					ret=obj;
+					}
+				}
+			}
+		}
+	return ret;
+	}
+
+/**
+ * Returns the minimum size required by the button group stack.
+ *
+ * @since App-Framework_6.1 
+ */
+EXPORT_C TSize CEikButtonGroupStack::MinimumSize()
+	{ // static
+	TSize ret;
+	CEikButtonGroupStack* self=CEikButtonGroupStack::Self();
+	if (self)
+		{
+		TBtGrpStackIter iter(self->iBtStack);
+		CEikButtonGroupContainer* obj=NULL;
+		while ((obj=iter++)!=NULL)
+			{
+			if (obj->IsVisible())
+				{
+				const TSize size=obj->Size();
+				ret.iHeight=Max(ret.iHeight,size.iHeight);
+				ret.iWidth=Max(ret.iWidth,size.iWidth);
+				}
+			}
+		}
+	return ret;
+	}
+
+void CEikButtonGroupStack::AddL(CEikButtonGroupContainer& aGroup)
+	{ // static
+	CEikButtonGroupStack* self=CEikButtonGroupStack::Self();
+	if (!self)
+		{
+		self=new(ELeave) CEikButtonGroupStack(); // CCoeEnv takes ownership immediately
+		self->iBtStack.AddFirst(aGroup);
+		}
+	else
+		self->iBtStack.AddLast(aGroup);
+	}
+
+void CEikButtonGroupStack::Remove(CEikButtonGroupContainer& aGroup)
+	{ // static
+	CEikButtonGroupStack* self=CEikButtonGroupStack::Self();
+	if (self)
+		{
+		TBtGrpStackIter iter(self->iBtStack);
+		CEikButtonGroupContainer* obj=NULL;
+		while ((obj=iter++)!=NULL)
+			{
+			if ((TInt)obj==(TInt)&aGroup)
+				{
+				obj->iBtLink.Deque();
+				break;
+				}
+			}
+		}
+	}
+
+inline CEikButtonGroupStack::CEikButtonGroupStack()
+	: CCoeStatic(KEikButtonGroupStackUid),
+	 iBtStack(_FOFF(CEikButtonGroupContainer,iBtLink))
+	{}
+
+inline CEikButtonGroupStack* CEikButtonGroupStack::Self()
+	{return STATIC_CAST(CEikButtonGroupStack*,CCoeEnv::Static(KEikButtonGroupStackUid));}