diff --git a/code/ryzom/client/src/interface_v3/group_wheel.h b/code/nel/include/nel/gui/group_wheel.h
similarity index 61%
rename from code/ryzom/client/src/interface_v3/group_wheel.h
rename to code/nel/include/nel/gui/group_wheel.h
index d2f12ca3c..c2c80dd46 100644
--- a/code/ryzom/client/src/interface_v3/group_wheel.h
+++ b/code/nel/include/nel/gui/group_wheel.h
@@ -21,22 +21,25 @@
 
 #include "nel/gui/interface_group.h"
 
-
-
-// Special group to handle the mouse wheel message
-class CInterfaceGroupWheel : public CInterfaceGroup
+namespace NLGUI
 {
-public:
-	/// Constructor
-	CInterfaceGroupWheel(const TCtorParam &param);
-	/// Coming from CInterfaceElement
-	virtual bool parse(xmlNodePtr cur, CInterfaceGroup * parentGroup);
-	virtual bool handleEvent (const NLGUI::CEventDescriptor &event);
-private:
-	IActionHandler *_AHWheelUp;
-	CStringShared	_AHWheelUpParams;
-	IActionHandler *_AHWheelDown;
-	CStringShared	_AHWheelDownParams;
-};
+
+	// Special group to handle the mouse wheel message
+	class CInterfaceGroupWheel : public CInterfaceGroup
+	{
+	public:
+		/// Constructor
+		CInterfaceGroupWheel(const TCtorParam &param);
+		/// Coming from CInterfaceElement
+		virtual bool parse(xmlNodePtr cur, CInterfaceGroup * parentGroup);
+		virtual bool handleEvent (const NLGUI::CEventDescriptor &event);
+	private:
+		IActionHandler *_AHWheelUp;
+		CStringShared	_AHWheelUpParams;
+		IActionHandler *_AHWheelDown;
+		CStringShared	_AHWheelDownParams;
+	};
+
+}
 
 #endif
diff --git a/code/nel/src/gui/group_wheel.cpp b/code/nel/src/gui/group_wheel.cpp
new file mode 100644
index 000000000..c7d6a57e2
--- /dev/null
+++ b/code/nel/src/gui/group_wheel.cpp
@@ -0,0 +1,69 @@
+// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
+// Copyright (C) 2010  Winch Gate Property Limited
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+
+// ----------------------------------------------------------------------------
+#include "nel/gui/group_wheel.h"
+
+
+NLMISC_REGISTER_OBJECT(CViewBase, CInterfaceGroupWheel, std::string, "group_wheel");
+
+namespace NLGUI
+{
+
+	// *****************************************************************************************************************
+	CInterfaceGroupWheel::CInterfaceGroupWheel(const TCtorParam &param) : CInterfaceGroup(param)
+	{
+		_AHWheelUp = NULL;
+		_AHWheelDown = NULL;
+	}
+
+	// *****************************************************************************************************************
+	bool CInterfaceGroupWheel::parse(xmlNodePtr cur, CInterfaceGroup * parentGroup)
+	{
+		if (!CInterfaceGroup::parse(cur, parentGroup)) return false;
+		CAHManager::getInstance()->parseAH(cur, "on_wheel_up", "on_wheel_up_params", _AHWheelUp, _AHWheelUpParams);
+		CAHManager::getInstance()->parseAH(cur, "on_wheel_down", "on_wheel_down_params", _AHWheelDown, _AHWheelDownParams);
+		return true;
+	}
+
+	// *****************************************************************************************************************
+	bool CInterfaceGroupWheel::handleEvent(const NLGUI::CEventDescriptor &event)
+	{
+		if (CInterfaceGroup::handleEvent(event)) return true;
+		if (event.getType() == NLGUI::CEventDescriptor::mouse)
+		{
+			const NLGUI::CEventDescriptorMouse &eventDesc = (const NLGUI::CEventDescriptorMouse &)event;
+			if (eventDesc.getEventTypeExtended() == NLGUI::CEventDescriptorMouse::mousewheel)
+			{
+				if (eventDesc.getWheel() > 0 && _AHWheelUp)
+				{
+					CAHManager::getInstance()->runActionHandler (_AHWheelUp, this, _AHWheelUpParams);
+					return true;
+				}
+				else if (_AHWheelDown)
+				{
+					CAHManager::getInstance()->runActionHandler (_AHWheelDown, this, _AHWheelDownParams);
+					return true;
+				}
+			}
+		}
+		return false;
+	}
+
+}
+
diff --git a/code/ryzom/client/src/interface_v3/group_wheel.cpp b/code/ryzom/client/src/interface_v3/group_wheel.cpp
deleted file mode 100644
index b8b25c70b..000000000
--- a/code/ryzom/client/src/interface_v3/group_wheel.cpp
+++ /dev/null
@@ -1,69 +0,0 @@
-// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
-// Copyright (C) 2010  Winch Gate Property Limited
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as
-// published by the Free Software Foundation, either version 3 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-
-
-// ----------------------------------------------------------------------------
-#include "stdpch.h"
-//
-#include "group_wheel.h"
-#include "interface_manager.h"
-
-
-
-NLMISC_REGISTER_OBJECT(CViewBase, CInterfaceGroupWheel, std::string, "group_wheel");
-
-// *****************************************************************************************************************
-CInterfaceGroupWheel::CInterfaceGroupWheel(const TCtorParam &param) : CInterfaceGroup(param)
-{
-	_AHWheelUp = NULL;
-	_AHWheelDown = NULL;
-}
-
-// *****************************************************************************************************************
-bool CInterfaceGroupWheel::parse(xmlNodePtr cur, CInterfaceGroup * parentGroup)
-{
-	if (!CInterfaceGroup::parse(cur, parentGroup)) return false;
-	CAHManager::getInstance()->parseAH(cur, "on_wheel_up", "on_wheel_up_params", _AHWheelUp, _AHWheelUpParams);
-	CAHManager::getInstance()->parseAH(cur, "on_wheel_down", "on_wheel_down_params", _AHWheelDown, _AHWheelDownParams);
-	return true;
-}
-
-// *****************************************************************************************************************
-bool CInterfaceGroupWheel::handleEvent(const NLGUI::CEventDescriptor &event)
-{
-	if (CInterfaceGroup::handleEvent(event)) return true;
-	if (event.getType() == NLGUI::CEventDescriptor::mouse)
-	{
-		const NLGUI::CEventDescriptorMouse &eventDesc = (const NLGUI::CEventDescriptorMouse &)event;
-		if (eventDesc.getEventTypeExtended() == NLGUI::CEventDescriptorMouse::mousewheel)
-		{
-			CInterfaceManager *im = CInterfaceManager::getInstance();
-			if (eventDesc.getWheel() > 0 && _AHWheelUp)
-			{
-				CAHManager::getInstance()->runActionHandler (_AHWheelUp, this, _AHWheelUpParams);
-				return true;
-			}
-			else if (_AHWheelDown)
-			{
-				CAHManager::getInstance()->runActionHandler (_AHWheelDown, this, _AHWheelDownParams);
-				return true;
-			}
-		}
-	}
-	return false;
-}
-