diff --git a/code/nel/tools/3d/object_viewer_qt/src/extension_system/iplugin_manager.h b/code/nel/tools/3d/object_viewer_qt/src/extension_system/iplugin_manager.h
index 0cde19d0a..0d568cd2b 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/extension_system/iplugin_manager.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/extension_system/iplugin_manager.h
@@ -20,6 +20,8 @@
 #ifndef IPLUGINMANAGER_H
 #define IPLUGINMANAGER_H
 
+#include "plugin_spec.h"
+
 #include <QtCore/QList>
 #include <QtCore/QObject>
 #include <QtCore/QStringList>
@@ -59,6 +61,68 @@ public:
 	virtual void setSettings(QSettings *settings) = 0;
 	virtual QSettings *settings() const = 0;
 
+	// Auxiliary operations
+	template <typename T>
+	QList<T *> getObjects() const
+	{
+		QList<QObject *> all = allObjects();
+		QList<T *> objects;
+		Q_FOREACH(QObject *obj, all)
+		{
+			T *tObj = qobject_cast<T *>(obj);
+			if (tObj)
+				objects.append(tObj);
+		}
+		return objects;
+	}
+
+	template <typename T>
+	T *getObject() const
+	{
+		QList<QObject *> all = allObjects();
+		T *result = 0;
+		Q_FOREACH(QObject *obj, all)
+		{
+			T *tObj = qobject_cast<T *>(obj);
+			if (tObj)
+			{
+				result = tObj;
+				break;
+			}
+		}
+		return result;
+	}
+
+	QObject *objectByName(const QString &name) const
+	{
+		QList<QObject *> all = allObjects();
+		QObject *result = 0;
+		Q_FOREACH (QObject *qobj, all)
+		{
+			if (qobj->objectName() == name)
+			{
+				result = qobj;
+				break;
+			}
+		}
+		return result;
+	}
+
+	ExtensionSystem::IPluginSpec *pluginByName(const QString &name) const
+	{
+		QList<ExtensionSystem::IPluginSpec *> all = plugins();
+		ExtensionSystem::IPluginSpec *result = 0;
+		Q_FOREACH (ExtensionSystem::IPluginSpec *spec, all)
+		{
+			if (spec->name() == name)
+			{
+				result = spec;
+				break;
+			}
+		}
+		return result;
+	}
+
 Q_SIGNALS:
 	void objectAdded(QObject *obj);
 	void aboutToRemoveObject(QObject *obj);
diff --git a/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_manager.cpp b/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_manager.cpp
index 921f14fbe..22ffe8aec 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_manager.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_manager.cpp
@@ -23,8 +23,6 @@
 
 #include <nel/misc/debug.h>
 
-#include "plugin_spec.h"
-
 namespace ExtensionSystem
 {
 
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/CMakeLists.txt b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/CMakeLists.txt
index 2ff8e894d..4bbf7ea63 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/CMakeLists.txt
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/CMakeLists.txt
@@ -9,8 +9,12 @@ SET(OVQT_EXT_SYS_SRC	${CMAKE_CURRENT_SOURCE_DIR}/../../extension_system/iplugin.
 			${CMAKE_CURRENT_SOURCE_DIR}/../../extension_system/iplugin_spec.h)
 
 SET(OVQT_CORE_PLUGIN_HDR
+				imenu_manager.h
+				icore_listener.h
+				ioptions_page.h
 				core_plugin.h
 				main_window.h
+				menu_manager.h
 				settings_dialog.h
 				search_paths_settings_page.h
 				plugin_view_dialog.h)
@@ -34,7 +38,7 @@ SOURCE_GROUP(QtGeneratedMocSrc FILES ${OVQT_CORE_PLUGIN_MOC_SRC})
 SOURCE_GROUP("Core Plugin" FILES ${SRC})
 SOURCE_GROUP("OVQT Extension System" FILES ${OVQT_EXT_SYS_SRC})
 
-ADD_LIBRARY(ovqt_plugin_core MODULE ${SRC} ${OVQT_CORE_PLUGIN_MOC_SRC} ${OVQT_EXT_SYS_SRC} ${OVQT_CORE_PLUGIN_RC_SRCS} ${OVQT_CORE_PLUGIN_UI_HDRS})
+ADD_LIBRARY(ovqt_plugin_core SHARED ${SRC} ${OVQT_CORE_PLUGIN_MOC_SRC} ${OVQT_EXT_SYS_SRC} ${OVQT_CORE_PLUGIN_RC_SRCS} ${OVQT_CORE_PLUGIN_UI_HDRS})
 
 TARGET_LINK_LIBRARIES(ovqt_plugin_core nelmisc ${QT_LIBRARIES})
 
@@ -42,6 +46,6 @@ NL_DEFAULT_PROPS(ovqt_plugin_core "NeL, Tools, 3D: Object Viewer Qt Plugin: Core
 NL_ADD_RUNTIME_FLAGS(ovqt_plugin_core)
 NL_ADD_LIB_SUFFIX(ovqt_plugin_core)
 
-ADD_DEFINITIONS(${LIBXML2_DEFINITIONS} -DQT_PLUGIN -DQT_SHARED ${QT_DEFINITIONS})
+ADD_DEFINITIONS(-DCORE_LIBRARY ${LIBXML2_DEFINITIONS} -DQT_PLUGIN -DQT_SHARED ${QT_DEFINITIONS})
 
 INSTALL(TARGETS ovqt_plugin_core LIBRARY DESTINATION lib RUNTIME DESTINATION bin ARCHIVE DESTINATION lib COMPONENT tools3d)
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_global.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_global.h
new file mode 100644
index 000000000..48fe0ece9
--- /dev/null
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_global.h
@@ -0,0 +1,30 @@
+// Object Viewer Qt - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
+// Copyright (C) 2010  Winch Gate Property Limited
+// Copyright (C) 2011  Dzmitry Kamiahin <dnk-88@tut.by>
+// Parts by Nokia Corporation (qt-info@nokia.com) Copyright (C) 2009.
+//
+// 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/>.
+
+#ifndef CORE_GLOBAL_H
+#define CORE_GLOBAL_H
+
+#include <QtCore/qglobal.h>
+
+#if defined(CORE_LIBRARY)
+#  define CORE_EXPORT Q_DECL_EXPORT
+#else
+#  define CORE_EXPORT Q_DECL_IMPORT
+#endif
+
+#endif // CORE_GLOBAL_H
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.cpp
index 5b6904421..664fae7c6 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.cpp
@@ -56,21 +56,13 @@ bool CorePlugin::initialize(ExtensionSystem::IPluginManager *pluginManager, QStr
 	_plugMan = pluginManager;
 	_oldOVQT = false;
 
-	addAutoReleasedObject(new CSearchPathsSettingsPage(this));
-	return true;
-}
-
-void CorePlugin::extensionsInitialized()
-{
-	_pluginView = new ExtensionSystem::CPluginView(_plugMan);
-
 	// for old ovqt
-	QMainWindow *wnd = qobject_cast<QMainWindow *>(objectByName("CMainWindow"));
+	QMainWindow *wnd = qobject_cast<QMainWindow *>(_plugMan->objectByName("CMainWindow"));
 	if (wnd)
 	{
 		_pluginView = new ExtensionSystem::CPluginView(_plugMan);
-		QMenu *toolsMenu = qobject_cast<QMenu *>(objectByName("ovqt.Menu.Tools"));
-		QMenu *helpMenu = qobject_cast<QMenu *>(objectByName("ovqt.Menu.Help"));
+		QMenu *toolsMenu = qobject_cast<QMenu *>(_plugMan->objectByName("ovqt.Menu.Tools"));
+		QMenu *helpMenu = qobject_cast<QMenu *>(_plugMan->objectByName("ovqt.Menu.Help"));
 		nlassert(toolsMenu);
 		nlassert(helpMenu);
 
@@ -103,6 +95,14 @@ void CorePlugin::extensionsInitialized()
 		}
 		_mainWindow->show();
 	}
+
+	addAutoReleasedObject(new CSearchPathsSettingsPage(this));
+	return true;
+}
+
+void CorePlugin::extensionsInitialized()
+{
+	_pluginView = new ExtensionSystem::CPluginView(_plugMan);
 }
 
 void CorePlugin::shutdown()
@@ -162,20 +162,4 @@ void CorePlugin::addAutoReleasedObject(QObject *obj)
 	_autoReleaseObjects.prepend(obj);
 }
 
-QObject* CorePlugin::objectByName(const QString &name) const
-{
-	Q_FOREACH (QObject *qobj, _plugMan->allObjects())
-	if (qobj->objectName() == name)
-		return qobj;
-	return 0;
-}
-
-ExtensionSystem::IPluginSpec *CorePlugin::pluginByName(const QString &name) const
-{
-	Q_FOREACH (ExtensionSystem::IPluginSpec *spec, _plugMan->plugins())
-	if (spec->name() == name)
-		return spec;
-	return 0;
-}
-
 Q_EXPORT_PLUGIN(CorePlugin)
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.h
index 26dae9934..53940016e 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core_plugin.h
@@ -61,44 +61,11 @@ public:
 
 	void addAutoReleasedObject(QObject *obj);
 
-	QObject *objectByName(const QString &name) const;
-	ExtensionSystem::IPluginSpec *pluginByName(const QString &name) const;
 	ExtensionSystem::IPluginManager *pluginManager() const
 	{
 		return _plugMan;
 	}
 
-	template <typename T>
-	QList<T *> getObjects() const
-	{
-		QList<QObject *> all = _plugMan->allObjects();
-		QList<T *> objects;
-		Q_FOREACH(QObject *obj, all)
-		{
-			T *tObj = qobject_cast<T *>(obj);
-			if (tObj)
-				objects.append(tObj);
-		}
-		return objects;
-	}
-
-	template <typename T>
-	T *getObject() const
-	{
-		QList<QObject *> all = _plugMan->allObjects();
-		T *result = 0;
-		Q_FOREACH(QObject *obj, all)
-		{
-			T *tObj = qobject_cast<T *>(obj);
-			if (tObj)
-			{
-				result = tObj;
-				break;
-			}
-		}
-		return result;
-	}
-
 protected:
 	NLMISC::CLibraryContext *_LibContext;
 
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/icore_listener.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/icore_listener.h
index c37ba3366..c27e40242 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/icore_listener.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/icore_listener.h
@@ -19,9 +19,15 @@
 #ifndef ICORE_LISTENER_H
 #define ICORE_LISTENER_H
 
+// Project includes
+#include "core_global.h"
+
+// Qt includes
 #include <QtCore/QObject>
 
+QT_BEGIN_NAMESPACE
 class QWidget;
+QT_END_NAMESPACE
 
 namespace Core
 {
@@ -40,9 +46,11 @@ PluginManager->addObject(yourImplementingObject);
 Don't forget to remove the object again at deconstruction (e.g. in the destructor of
 your plugin)
 */
-class ICoreListener
+class CORE_EXPORT ICoreListener: public QObject
 {
+	Q_OBJECT
 public:
+	ICoreListener(QObject *parent = 0): QObject(parent) {}
 	virtual ~ICoreListener() {}
 
 	/// Return false from the implemented method if you want to prevent the event.
@@ -51,6 +59,5 @@ public:
 
 } // namespace Core
 
-Q_DECLARE_INTERFACE(Core::ICoreListener, "dev.ryzom.com.ICoreListener/0.1")
 
 #endif // ICORE_LISTENER_H
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/imenu_manager.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/imenu_manager.h
new file mode 100644
index 000000000..be80dbbc4
--- /dev/null
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/imenu_manager.h
@@ -0,0 +1,62 @@
+// Object Viewer Qt - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
+// Copyright (C) 2010  Winch Gate Property Limited
+// Copyright (C) 2011  Dzmitry Kamiahin <dnk-88@tut.by>
+//
+// 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/>.
+
+#ifndef IMENU_MANAGER_H
+#define IMENU_MANAGER_H
+
+#include "core_global.h"
+
+#include <QtCore/QObject>
+#include <QtCore/QList>
+
+QT_BEGIN_NAMESPACE
+class QMenu;
+class QAction;
+class QString;
+class QMenuBar;
+QT_END_NAMESPACE
+
+namespace Core
+{
+/*
+@interface IMenuManager
+@brief The IMenuManager is an interface for providing a registration of menus and menu item.
+@details The IMenuManager provides centralized access to menus and menu items.
+All menus and menu items should be registered in the IMenuManager.
+*/
+class CORE_EXPORT IMenuManager : public QObject
+{
+	Q_OBJECT
+public:
+	IMenuManager(QObject *parent = 0): QObject(parent) {}
+	virtual ~IMenuManager() {}
+
+	virtual void registerMenu(QMenu *menu, const QString &id) = 0;
+	virtual void registerAction(QAction *action, const QString &id) = 0;
+
+	virtual QMenu *menu(const QString &id) const = 0;
+	virtual QAction *action(const QString &id) const = 0;
+
+	virtual void unregisterMenu(const QString &id) = 0;
+	virtual void unregisterAction(const QString &id) = 0;
+
+	virtual QMenuBar *menuBar() const = 0;
+};
+
+} // namespace Core
+
+#endif // IMENU_MANAGER_H
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/ioptions_page.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/ioptions_page.h
index 2d780bc2d..74692833a 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/ioptions_page.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/ioptions_page.h
@@ -19,9 +19,15 @@
 #ifndef IOPTIONS_PAGE_H
 #define IOPTIONS_PAGE_H
 
+// Project includes
+#include "core_global.h"
+
+// Qt includes
 #include <QtCore/QObject>
 
+QT_BEGIN_NAMESPACE
 class QWidget;
+QT_END_NAMESPACE
 
 namespace Core
 {
@@ -31,9 +37,11 @@ namespace Core
 @details You need to subclass this interface and put an instance of your subclass
   into the plugin manager object pool.
 */
-class IOptionsPage
+class CORE_EXPORT IOptionsPage: public QObject
 {
+	Q_OBJECT
 public:
+	IOptionsPage(QObject *parent = 0): QObject(parent) {}
 	virtual ~IOptionsPage() {}
 
 	/// id() is a unique identifier for referencing this page
@@ -61,6 +69,4 @@ public:
 
 } // namespace Core
 
-Q_DECLARE_INTERFACE(Core::IOptionsPage, "dev.ryzom.com.IOptionsPage/1.0")
-
 #endif // IOPTIONS_PAGE_H
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.cpp
index 0aa82e187..9aa7611c3 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.cpp
@@ -17,6 +17,7 @@
 
 // Project includes
 #include "main_window.h"
+#include "menu_manager.h"
 #include "core_plugin.h"
 #include "iapp_page.h"
 #include "icore_listener.h"
@@ -34,7 +35,11 @@ namespace Core
 
 CMainWindow::CMainWindow(CorePlugin *corePlugin, QWidget *parent)
 	: QMainWindow(parent),
-	  _lastDir(".")
+	  _pluginManager(0),
+	  _corePlugin(0),
+	  _menuManager(0),
+	  _lastDir("."),
+	  _settings(0)
 {
 	_corePlugin = corePlugin;
 	_pluginManager = _corePlugin->pluginManager();
@@ -42,11 +47,15 @@ CMainWindow::CMainWindow(CorePlugin *corePlugin, QWidget *parent)
 
 	setObjectName(Constants::MAIN_WINDOW);
 
+	_menuManager = new MenuManager(this);
+	_menuManager->setMenuBar(menuBar());
+	_pluginManager->addObject(_menuManager);
+
 	_tabWidget = new QTabWidget(this);
 	_tabWidget->setTabPosition(QTabWidget::South);
 	setCentralWidget(_tabWidget);
 
-	QList<IAppPage *> listAppPages = _corePlugin->getObjects<IAppPage>();
+	QList<IAppPage *> listAppPages = _pluginManager->getObjects<IAppPage>();
 
 	Q_FOREACH(IAppPage *appPage, listAppPages)
 	{
@@ -72,7 +81,11 @@ CMainWindow::CMainWindow(CorePlugin *corePlugin, QWidget *parent)
 
 CMainWindow::~CMainWindow()
 {
-	delete _pluginView;
+}
+
+IMenuManager *CMainWindow::menuManager() const
+{
+	return _menuManager;
 }
 
 void CMainWindow::checkObject(QObject *obj)
@@ -102,7 +115,7 @@ void CMainWindow::about()
 
 void CMainWindow::closeEvent(QCloseEvent *event)
 {
-	QList<ICoreListener *> listeners = _corePlugin->getObjects<ICoreListener>();
+	QList<ICoreListener *> listeners = _pluginManager->getObjects<ICoreListener>();
 	Q_FOREACH(ICoreListener *listener, listeners)
 	{
 		if (!listener->closeMainWindow())
@@ -113,8 +126,7 @@ void CMainWindow::closeEvent(QCloseEvent *event)
 	}
 
 	writeSettings();
-
-	QMainWindow::closeEvent(event);
+	event->accept();
 }
 
 void CMainWindow::addAppPage(IAppPage *appPage)
@@ -133,46 +145,52 @@ void CMainWindow::createActions()
 	_openAction->setIcon(QIcon(":/images/open-file.png"));
 	_openAction->setShortcut(QKeySequence::Open);
 	_openAction->setStatusTip(tr("Open an existing file"));
+	menuManager()->registerAction(_openAction, Constants::OPEN);
 //	connect(_openAction, SIGNAL(triggered()), this, SLOT(open()));
 
 	_exitAction = new QAction(tr("E&xit"), this);
 	_exitAction->setShortcut(tr("Ctrl+Q"));
 	_exitAction->setStatusTip(tr("Exit the application"));
+	menuManager()->registerAction(_exitAction, Constants::EXIT);
 	connect(_exitAction, SIGNAL(triggered()), this, SLOT(close()));
 
 	_settingsAction = new QAction(tr("&Settings"), this);
 	_settingsAction->setIcon(QIcon(":/images/preferences.png"));
 	_settingsAction->setStatusTip(tr("Open the settings dialog"));
+	menuManager()->registerAction(_settingsAction, Constants::SETTINGS);
 	connect(_settingsAction, SIGNAL(triggered()), this, SLOT(showOptionsDialog()));
 
 	_aboutAction = new QAction(tr("&About"), this);
 	_aboutAction->setStatusTip(tr("Show the application's About box"));
+	menuManager()->registerAction(_aboutAction, Constants::ABOUT);
 	connect(_aboutAction, SIGNAL(triggered()), this, SLOT(about()));
 
 	_aboutQtAction = new QAction(tr("About &Qt"), this);
 	_aboutQtAction->setStatusTip(tr("Show the Qt library's About box"));
+	menuManager()->registerAction(_aboutQtAction, Constants::ABOUT_QT);
 	connect(_aboutQtAction, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
 
 	_pluginViewAction = new QAction(tr("About &Plugins"), this);
 	_pluginViewAction->setStatusTip(tr("Show the plugin view dialog"));
+	menuManager()->registerAction(_pluginViewAction, Constants::ABOUT_PLUGINS);
 	connect(_pluginViewAction, SIGNAL(triggered()), _pluginView, SLOT(show()));
 }
 
 void CMainWindow::createMenus()
 {
 	_fileMenu = menuBar()->addMenu(tr("&File"));
-	_fileMenu->setObjectName(Constants::M_FILE);
+	menuManager()->registerMenu(_fileMenu, Constants::M_FILE);
 	_fileMenu->addSeparator();
 	_fileMenu->addAction(_exitAction);
 
 	_editMenu = menuBar()->addMenu(tr("&Edit"));
-	_editMenu->setObjectName(Constants::M_EDIT);
+	menuManager()->registerMenu(_editMenu, Constants::M_EDIT);
 
 	_viewMenu = menuBar()->addMenu(tr("&View"));
-	_viewMenu->setObjectName(Constants::M_VIEW);
+	menuManager()->registerMenu(_viewMenu, Constants::M_VIEW);
 
 	_toolsMenu = menuBar()->addMenu(tr("&Tools"));
-	_toolsMenu->setObjectName(Constants::M_TOOLS);
+	menuManager()->registerMenu(_toolsMenu, Constants::M_TOOLS);
 
 
 	_toolsMenu->addSeparator();
@@ -182,7 +200,7 @@ void CMainWindow::createMenus()
 	menuBar()->addSeparator();
 
 	_helpMenu = menuBar()->addMenu(tr("&Help"));
-	_helpMenu->setObjectName(Constants::M_HELP);
+	menuManager()->registerMenu(_helpMenu, Constants::M_HELP);
 	_helpMenu->addAction(_aboutAction);
 	_helpMenu->addAction(_aboutQtAction);
 	_helpMenu->addAction(_pluginViewAction);
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.h
index 4b807dd04..e0b030b87 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/main_window.h
@@ -33,6 +33,8 @@ namespace Core
 class CSettingsDialog;
 class CorePlugin;
 class IAppPage;
+class IMenuManager;
+class MenuManager;
 
 class CMainWindow : public QMainWindow
 {
@@ -42,6 +44,8 @@ public:
 	CMainWindow(CorePlugin *corePlugin, QWidget *parent = 0);
 	~CMainWindow();
 
+	IMenuManager *menuManager() const;
+
 private Q_SLOTS:
 	void checkObject(QObject *obj);
 	bool showOptionsDialog(const QString &group = QString(),
@@ -65,6 +69,7 @@ private:
 	ExtensionSystem::IPluginManager *_pluginManager;
 	ExtensionSystem::CPluginView *_pluginView;
 	CorePlugin *_corePlugin;
+	MenuManager *_menuManager;
 
 	QPalette _originalPalette;
 	QString _lastDir;
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/menu_manager.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/menu_manager.cpp
new file mode 100644
index 000000000..dbd738b28
--- /dev/null
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/menu_manager.cpp
@@ -0,0 +1,94 @@
+// Object Viewer Qt - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
+// Copyright (C) 2010  Winch Gate Property Limited
+// Copyright (C) 2011  Dzmitry Kamiahin <dnk-88@tut.by>
+//
+// 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/>.
+
+// Project includes
+#include "menu_manager.h"
+
+// NeL includes
+#include <nel/misc/debug.h>
+
+// Qt includes
+#include <QtGui/QMenu>
+#include <QtGui/QAction>
+#include <QtGui/QMenuBar>
+
+namespace Core
+{
+MenuManager::MenuManager(QObject *parent)
+	: IMenuManager(parent),
+	  _menuBar(0)
+{
+}
+
+MenuManager::~MenuManager()
+{
+	_menuMap.clear();
+}
+
+void MenuManager::registerMenu(QMenu *menu, const QString &id)
+{
+	menu->setObjectName(id);
+	_menuMap.insert(id, menu);
+}
+
+void MenuManager::registerAction(QAction *action, const QString &id)
+{
+	action->setObjectName(id);
+	_actionMap.insert(id, action);
+}
+
+QMenu *MenuManager::menu(const QString &id) const
+{
+	QMenu *result = 0;
+	if (_menuMap.count(id) == 0)
+		nlwarning("QMenu %s not found", id.toStdString().c_str());
+	else
+		result = _menuMap.value(id);
+	return result;
+}
+
+QAction *MenuManager::action(const QString &id) const
+{
+	QAction *result = 0;
+	if (_actionMap.count(id) == 0)
+		nlwarning("QAction %s not found", id.toStdString().c_str());
+	else
+		result = _actionMap.value(id);
+	return result;
+}
+
+void MenuManager::unregisterMenu(const QString &id)
+{
+	_menuMap.remove(id);
+}
+
+void MenuManager::unregisterAction(const QString &id)
+{
+	_actionMap.remove(id);
+}
+
+QMenuBar *MenuManager::menuBar() const
+{
+	return _menuBar;
+}
+
+void MenuManager::setMenuBar(QMenuBar *menuBar)
+{
+	_menuBar = menuBar;
+}
+
+} /* namespace Core */
\ No newline at end of file
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/menu_manager.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/menu_manager.h
new file mode 100644
index 000000000..aab603355
--- /dev/null
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/menu_manager.h
@@ -0,0 +1,59 @@
+// Object Viewer Qt - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
+// Copyright (C) 2010  Winch Gate Property Limited
+// Copyright (C) 2011  Dzmitry Kamiahin <dnk-88@tut.by>
+//
+// 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/>.
+
+#ifndef MENU_MANAGER_H
+#define MENU_MANAGER_H
+
+// Project includes
+#include "imenu_manager.h"
+
+// Qt includes
+#include <QtCore/QHash>
+
+namespace Core
+{
+
+class MenuManager : public IMenuManager
+{
+	Q_OBJECT
+
+public:
+	MenuManager(QObject *parent = 0);
+	virtual ~MenuManager();
+
+	virtual void registerMenu(QMenu *menu, const QString &id);
+	virtual void registerAction(QAction *action, const QString &id);
+
+	virtual QMenu *menu(const QString &id) const;
+	virtual QAction *action(const QString &id) const;
+
+	virtual void unregisterMenu(const QString &id);
+	virtual void unregisterAction(const QString &id);
+
+	virtual QMenuBar *menuBar() const;
+	void setMenuBar(QMenuBar *menuBar);
+private:
+	QMenuBar *_menuBar;
+	typedef QHash<QString, QMenu *> IdMenuMap;
+	IdMenuMap _menuMap;
+	typedef QHash<QString, QAction *> IdActionMap;
+	IdActionMap _actionMap;
+};
+
+} // namespace Core
+
+#endif // MENU_MANAGER_H
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/search_paths_settings_page.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/search_paths_settings_page.cpp
index 51449c4a5..585fb2089 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/search_paths_settings_page.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/search_paths_settings_page.cpp
@@ -28,7 +28,7 @@ namespace Core
 {
 
 CSearchPathsSettingsPage::CSearchPathsSettingsPage(QObject *parent)
-	: QObject(parent),
+	: IOptionsPage(parent),
 	  _currentPage(0)
 {
 }
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/search_paths_settings_page.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/search_paths_settings_page.h
index bafad8f40..cbea4239c 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/search_paths_settings_page.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/search_paths_settings_page.h
@@ -32,10 +32,10 @@ namespace Core
 /**
 @class CSearchPathsSettingsPage
 */
-class CSearchPathsSettingsPage : public QObject, public Core::IOptionsPage
+class CSearchPathsSettingsPage : public Core::IOptionsPage
 {
 	Q_OBJECT
-	Q_INTERFACES(Core::IOptionsPage)
+
 public:
 	CSearchPathsSettingsPage(QObject *parent = 0);
 	~CSearchPathsSettingsPage() {}
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/settings_dialog.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/settings_dialog.cpp
index c1a1fca40..3cee8edc7 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/settings_dialog.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/settings_dialog.cpp
@@ -62,7 +62,7 @@ CSettingsDialog::CSettingsDialog(CorePlugin *corePlugin,
 
 	QMap<QString, QTreeWidgetItem *> categories;
 
-	QList<IOptionsPage *> pages = corePlugin->getObjects<IOptionsPage>();
+	QList<IOptionsPage *> pages = _plugMan->getObjects<IOptionsPage>();
 
 	int index = 0;
 	Q_FOREACH(IOptionsPage *page, pages)
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/example/CMakeLists.txt b/code/nel/tools/3d/object_viewer_qt/src/plugins/example/CMakeLists.txt
index d14b42806..6a49f1e41 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/example/CMakeLists.txt
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/example/CMakeLists.txt
@@ -13,9 +13,7 @@ SET(OVQT_PLUG_EXAMPLE_HDR 	plugin1.h
 							qnel_widget.h
 							simple_viewer.h
 							example_settings_page.h
-							${CMAKE_CURRENT_SOURCE_DIR}/../core/iapp_page.h
-							${CMAKE_CURRENT_SOURCE_DIR}/../core/icore_listener.h
-							${CMAKE_CURRENT_SOURCE_DIR}/../core/ioptions_page.h)
+							${CMAKE_CURRENT_SOURCE_DIR}/../core/iapp_page.h)
 
 SET(OVQT_PLUG_EXAMPLE_UIS	example_settings_page.ui)
 
@@ -33,7 +31,7 @@ SOURCE_GROUP("OVQT Extension System" FILES ${OVQT_EXT_SYS_SRC})
 
 ADD_LIBRARY(ovqt_plugin_example MODULE ${SRC} ${OVQT_PLUG_EXAMPLE_MOC_SRC} ${OVQT_EXT_SYS_SRC} ${OVQT_PLUG_EXAMPLE_UI_HDRS})
 
-TARGET_LINK_LIBRARIES(ovqt_plugin_example nelmisc nel3d ${QT_LIBRARIES})
+TARGET_LINK_LIBRARIES(ovqt_plugin_example ovqt_plugin_core nelmisc nel3d ${QT_LIBRARIES})
 
 NL_DEFAULT_PROPS(ovqt_plugin_example "NeL, Tools, 3D: Object Viewer Qt Plugin: Example")
 NL_ADD_RUNTIME_FLAGS(ovqt_plugin_example)
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/example/example_settings_page.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/example/example_settings_page.cpp
index 40576ab60..0cb885163 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/example/example_settings_page.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/example/example_settings_page.cpp
@@ -28,7 +28,7 @@ namespace Plugin
 {
 
 CExampleSettingsPage::CExampleSettingsPage(QObject *parent)
-	: QObject(parent),
+	: IOptionsPage(parent),
 	  _currentPage(NULL)
 {
 }
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/example/example_settings_page.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/example/example_settings_page.h
index e6baa85df..64dd940f8 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/example/example_settings_page.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/example/example_settings_page.h
@@ -32,10 +32,9 @@ namespace Plugin
 /**
 @class CExampleSettingsPage
 */
-class CExampleSettingsPage : public QObject, public Core::IOptionsPage
+class CExampleSettingsPage : public Core::IOptionsPage
 {
 	Q_OBJECT
-	Q_INTERFACES(Core::IOptionsPage)
 public:
 	CExampleSettingsPage(QObject *parent = 0);
 	virtual ~CExampleSettingsPage() {}
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/example/plugin1.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/example/plugin1.cpp
index ba9df39c2..50c7e6eef 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/example/plugin1.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/example/plugin1.cpp
@@ -3,6 +3,8 @@
 #include "example_settings_page.h"
 #include "simple_viewer.h"
 #include "../core/iapp_page.h"
+#include "../core/core_constants.h"
+#include "../core/imenu_manager.h"
 #include "../../extension_system/iplugin_spec.h"
 
 // NeL includes
@@ -41,6 +43,21 @@ bool MyPlugin::initialize(ExtensionSystem::IPluginManager *pluginManager, QStrin
 
 void MyPlugin::extensionsInitialized()
 {
+	Core::IMenuManager *menuManager = 0;
+	menuManager = _plugMan->getObject<Core::IMenuManager>();
+	if (menuManager == 0)
+		nlinfo("error menu manager");
+	else
+	{
+		QAction *exampleAction1 = new QAction("Example1", this);
+		QAction *exampleAction2 = new QAction("Example2", this);
+		QAction *aboutQtAction = menuManager->action(Core::Constants::ABOUT_QT);
+		QMenu *helpMenu = menuManager->menu(Core::Constants::M_HELP);
+		helpMenu->insertAction(aboutQtAction, exampleAction1);
+		helpMenu->addSeparator();
+		helpMenu->addAction(exampleAction2);
+		menuManager->menuBar()->addMenu("ExampleMenu");
+	}
 }
 
 void MyPlugin::setNelContext(NLMISC::INelContext *nelContext)
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/example/simple_viewer.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/example/simple_viewer.h
index cb3c1cf87..bbff7e9e0 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/example/simple_viewer.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/example/simple_viewer.h
@@ -39,12 +39,11 @@ public:
 	virtual ~CSimpleViewer() {}
 };
 
-class CCoreListener : public QObject, public Core::ICoreListener
+class CCoreListener : public Core::ICoreListener
 {
 	Q_OBJECT
-	Q_INTERFACES(Core::ICoreListener)
 public:
-	CCoreListener(QObject *parent = 0): QObject(parent) {}
+	CCoreListener(QObject *parent = 0): ICoreListener(parent) {}
 	virtual ~CCoreListener() {}
 
 	virtual bool closeMainWindow() const;