diff --git a/code/nel/tools/3d/object_viewer_qt/src/CMakeLists.txt b/code/nel/tools/3d/object_viewer_qt/src/CMakeLists.txt
index 543f4b464..9bca4cc8e 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/CMakeLists.txt
+++ b/code/nel/tools/3d/object_viewer_qt/src/CMakeLists.txt
@@ -3,7 +3,7 @@ INCLUDE( ${QT_USE_FILE} )
 
 FILE(GLOB OBJECT_VIEWER_SRC configuration.h entity.h object_viewer.h particle_editor.h modules.h sound_system.h
 			    particle_node.h ps_initial_pos.h dup_ps.h vegetable_editor.h vegetable_node.h 
-			    extension_system/plugin_spec.h
+			    extension_system/iplugin_spec.h extension_system/plugin_spec.h
 			    extension_system/*.cpp *.cpp)
  
 SET(OBJECT_VIEWER_HDR main_window.h graphics_viewport.h animation_dialog.h 
diff --git a/code/nel/tools/3d/object_viewer_qt/src/extension_system/iplugin.h b/code/nel/tools/3d/object_viewer_qt/src/extension_system/iplugin.h
index 93f61629a..300b8cfb1 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/extension_system/iplugin.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/extension_system/iplugin.h
@@ -20,7 +20,7 @@
 #ifndef IPLUGIN_H
 #define IPLUGIN_H
 
-#include <QtPlugin>
+#include <QtCore/QtPlugin>
 #include <QtCore/QString>
 
 #include "iplugin_manager.h"
@@ -52,6 +52,6 @@ public:
 
 }; //namespace NLQT
 
-Q_DECLARE_INTERFACE(NLQT::IPlugin, "com.ryzom.dev.ObjectViewerQt.IPlugin/0.8")
+Q_DECLARE_INTERFACE(NLQT::IPlugin, "com.ryzom.dev.ObjectViewerQt.IPlugin/0.9")
 
 #endif // IPLUGIN_H
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 4592c0f47..dbcdb8463 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
@@ -26,7 +26,7 @@
 
 namespace NLQT
 {
-class CPluginSpec;
+class IPluginSpec;
 
 class IPluginManager: public QObject
 {
@@ -44,9 +44,7 @@ public:
 	virtual void loadPlugins() = 0;
 	virtual QStringList getPluginPaths() const = 0;
 	virtual void setPluginPaths(const QStringList &paths) = 0;
-	virtual QList<NLQT::CPluginSpec *> plugins() const = 0;
-
-	virtual CPluginSpec *pluginByName(const QString &name) const = 0;
+	virtual QList<NLQT::IPluginSpec *> plugins() const = 0;
 
 Q_SIGNALS:
 	void objectAdded(QObject *obj);
diff --git a/code/nel/tools/3d/object_viewer_qt/src/extension_system/iplugin_spec.h b/code/nel/tools/3d/object_viewer_qt/src/extension_system/iplugin_spec.h
new file mode 100644
index 000000000..c0d7ee67c
--- /dev/null
+++ b/code/nel/tools/3d/object_viewer_qt/src/extension_system/iplugin_spec.h
@@ -0,0 +1,69 @@
+/*
+    Object Viewer Qt
+    Copyright (C) 2010 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 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#ifndef IPLUGINSPEC_H
+#define IPLUGINSPEC_H
+
+#include <QtCore/QString>
+
+namespace NLQT
+{
+class IPlugin;
+class IPluginManager;
+
+struct State
+{
+	enum List
+	{
+		Invalid = 1,
+		Read,
+		Loaded,
+		Initialized,
+		Running,
+		Stopped,
+		Deleted
+	};
+};
+
+class IPluginSpec
+{
+public:
+	virtual ~IPluginSpec() {}
+
+	virtual QString name() const = 0;
+	virtual QString version() const = 0;
+	virtual QString vendor() const = 0;
+	virtual QString description() const = 0;
+
+	virtual QString location() const = 0;
+	virtual QString filePath() const = 0;
+	virtual QString fileName() const = 0;
+
+	virtual IPlugin *plugin() const = 0;
+
+	// state
+	virtual int getState() const = 0;
+	virtual bool hasError() const = 0;
+	virtual QString errorString() const = 0;
+};
+
+} // namespace NLQT
+
+#endif // IPLUGINSPEC_H
+
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 4d8371636..f19ac10f9 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
@@ -109,15 +109,16 @@ void CPluginManager::setPluginPaths(const QStringList &paths)
 	readPluginPaths();
 }
 
-QList<CPluginSpec *> CPluginManager::plugins() const
+QList<IPluginSpec *> CPluginManager::plugins() const
 {
-	return _pluginSpecs;
+	return _ipluginSpecs;
 }
 
 void CPluginManager::readPluginPaths()
 {
 	qDeleteAll(_pluginSpecs);
 	_pluginSpecs.clear();
+	_ipluginSpecs.clear();
 
 	QStringList pluginsList;
 	QStringList searchPaths = _pluginPaths;
@@ -144,19 +145,12 @@ void CPluginManager::readPluginPaths()
 		spec->setFileName(pluginFile);
 		spec->_pluginManager = this;
 		_pluginSpecs.append(spec);
+		_ipluginSpecs.append(spec);
 	}
 
 	Q_EMIT pluginsChanged();
 }
 
-CPluginSpec *CPluginManager::pluginByName(const QString &name) const
-{
-	Q_FOREACH (CPluginSpec *spec, _pluginSpecs)
-	if (spec->name() == name)
-		return spec;
-	return 0;
-}
-
 void CPluginManager::setPluginState(CPluginSpec *spec, int destState)
 {
 	if (spec->hasError())
diff --git a/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_manager.h b/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_manager.h
index 3fb92e282..774817e60 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_manager.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_manager.h
@@ -30,6 +30,7 @@ namespace NLQT
 {
 
 class IPlugin;
+class CPluginSpec;
 
 class CPluginManager : public IPluginManager
 {
@@ -48,9 +49,7 @@ public:
 	virtual void loadPlugins();
 	virtual QStringList getPluginPaths() const;
 	virtual void setPluginPaths(const QStringList &paths);
-	virtual QList<CPluginSpec *> plugins() const;
-
-	virtual CPluginSpec *pluginByName(const QString &name) const;
+	virtual QList<IPluginSpec *> plugins() const;
 
 private:
 	void setPluginState(CPluginSpec *spec, int destState);
@@ -60,6 +59,7 @@ private:
 	mutable QReadWriteLock _lock;
 
 	QList<CPluginSpec *> _pluginSpecs;
+	QList<IPluginSpec *> _ipluginSpecs;
 	QStringList _pluginPaths;
 	QList<QObject *> _allObjects;
 
diff --git a/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_spec.cpp b/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_spec.cpp
index d4a11f7d9..c0d0308cd 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_spec.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_spec.cpp
@@ -19,6 +19,7 @@
 
 #include "plugin_spec.h"
 
+#include <QtCore/QList>
 #include <QtCore/QFile>
 #include <QtCore/QFileInfo>
 #include <QtCore/QPluginLoader>
@@ -40,10 +41,6 @@ CPluginSpec::CPluginSpec():
 {
 }
 
-CPluginSpec::~CPluginSpec()
-{
-}
-
 QString CPluginSpec::name() const
 {
 	return _name;
diff --git a/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_spec.h b/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_spec.h
index 955ee9544..156b93898 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_spec.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_spec.h
@@ -20,48 +20,29 @@
 #ifndef PLUGINSPEC_H
 #define PLUGINSPEC_H
 
-#include <QtCore/QString>
-#include <QtCore/QList>
+#include "iplugin_spec.h"
 
 namespace NLQT
 {
-class IPlugin;
-class IPluginManager;
 
-struct State
-{
-	enum List
-	{
-		Invalid = 1,
-		Read,
-		Loaded,
-		Initialized,
-		Running,
-		Stopped,
-		Deleted
-	};
-};
-
-class CPluginSpec
+class CPluginSpec: public IPluginSpec
 {
 public:
-	~CPluginSpec();
-
-	QString name() const;
-	QString version() const;
-	QString vendor() const;
-	QString description() const;
+	virtual QString name() const;
+	virtual QString version() const;
+	virtual QString vendor() const;
+	virtual QString description() const;
 
-	QString location() const;
-	QString filePath() const;
-	QString fileName() const;
+	virtual QString location() const;
+	virtual QString filePath() const;
+	virtual QString fileName() const;
 
-	IPlugin *plugin() const;
+	virtual IPlugin *plugin() const;
 
 	// state
-	int getState() const;
-	bool hasError() const;
-	QString errorString() const;
+	virtual int getState() const;
+	virtual bool hasError() const;
+	virtual QString errorString() const;
 
 private:
 	CPluginSpec();
diff --git a/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_view.ui b/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_view.ui
index 65c24dd55..8bf90fdf3 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_view.ui
+++ b/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugin_view.ui
@@ -19,12 +19,24 @@
   <layout class="QGridLayout" name="gridLayout">
    <item row="0" column="0" colspan="4">
     <widget class="QTreeWidget" name="pluginTreeWidget">
+     <property name="alternatingRowColors">
+      <bool>true</bool>
+     </property>
+     <property name="indentation">
+      <number>0</number>
+     </property>
      <property name="rootIsDecorated">
       <bool>false</bool>
      </property>
+     <property name="uniformRowHeights">
+      <bool>true</bool>
+     </property>
      <property name="itemsExpandable">
       <bool>false</bool>
      </property>
+     <property name="sortingEnabled">
+      <bool>true</bool>
+     </property>
      <column>
       <property name="text">
        <string>State</string>
diff --git a/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugn_view.cpp b/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugn_view.cpp
index 03423d9c2..7aa610dcb 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugn_view.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/extension_system/plugn_view.cpp
@@ -28,7 +28,7 @@
 #include <QtGui/QTreeWidgetItem>
 
 // Project includes
-#include "plugin_spec.h"
+#include "iplugin_spec.h"
 #include "iplugin_manager.h"
 
 namespace NLQT
@@ -55,7 +55,7 @@ void CPluginView::updateList()
     static QIcon errorIcon = QApplication::style()->standardIcon(QStyle::SP_DialogCancelButton);
 
 	QList<QTreeWidgetItem *> items;
-	Q_FOREACH (CPluginSpec *spec, _pluginManager->plugins())
+	Q_FOREACH (IPluginSpec *spec, _pluginManager->plugins())
 	{
 		QTreeWidgetItem *item = new QTreeWidgetItem(QStringList()
         << ""
diff --git a/code/nel/tools/3d/object_viewer_qt/src/main.cpp b/code/nel/tools/3d/object_viewer_qt/src/main.cpp
index 98dbc4f06..22fd4472a 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/main.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/main.cpp
@@ -13,7 +13,7 @@
 #include <nel/misc/file.h>
 #include <nel/misc/path.h>
 #include <nel/misc/command.h>
-#include "extension_system/plugin_spec.h"
+#include "extension_system/iplugin_spec.h"
 // Project includes
 #include "modules.h"
 
@@ -103,7 +103,7 @@ sint main(int argc, char **argv)
 	Modules::plugMan().loadPlugins();
 	
 	QStringList errors;
-	Q_FOREACH (NLQT::CPluginSpec *spec, Modules::plugMan().plugins())
+	Q_FOREACH (NLQT::IPluginSpec *spec, Modules::plugMan().plugins())
 		if (spec->hasError())
 			errors.append(spec->fileName() + " : " + spec->errorString());
 	
diff --git a/code/nel/tools/3d/object_viewer_qt/src/main_window.cpp b/code/nel/tools/3d/object_viewer_qt/src/main_window.cpp
index 6391fba43..ba2eb1f31 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/main_window.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/main_window.cpp
@@ -354,19 +354,23 @@ void CMainWindow::createActions()
 void CMainWindow::createMenus()
 {
 	_fileMenu = menuBar()->addMenu(tr("&File"));
+	_fileMenu->setObjectName("ovqt.Menu.File");
 	_fileMenu->addAction(_openAction);
 	_fileMenu->addSeparator();
 	_fileMenu->addAction(_exitAction);
 
 	_viewMenu = menuBar()->addMenu(tr("&View"));
+	_viewMenu->setObjectName("ovqt.Menu.View");
 	_viewMenu->addAction(_setBackColorAction);
 	_viewMenu->addAction(_SetupFog->toggleViewAction());
 
 	_sceneMenu = menuBar()->addMenu(tr("&Scene"));
+	_sceneMenu->setObjectName("ovqt.Menu.Scene");
 	_sceneMenu->addAction(_resetSceneAction);
 	_sceneMenu->addAction(_saveScreenshotAction);
 
 	_toolsMenu = menuBar()->addMenu(tr("&Tools"));
+	_toolsMenu->setObjectName("ovqt.Menu.Tools");
 
 	_toolsMenu->addAction(_AnimationDialog->toggleViewAction());
 	_AnimationDialog->toggleViewAction()->setIcon(QIcon(":/images/anim.png"));
@@ -411,9 +415,16 @@ void CMainWindow::createMenus()
 	menuBar()->addSeparator();
 
 	_helpMenu = menuBar()->addMenu(tr("&Help"));
+	_helpMenu->setObjectName("ovqt.Menu.Help");
 	_helpMenu->addAction(_aboutAction);
 	_helpMenu->addAction(_aboutQtAction);
 	_helpMenu->addAction(_pluginViewAction);
+
+	Modules::plugMan().addObject(_fileMenu);
+	Modules::plugMan().addObject(_viewMenu);
+	Modules::plugMan().addObject(_sceneMenu);
+	Modules::plugMan().addObject(_toolsMenu);
+	Modules::plugMan().addObject(_helpMenu);
 }
 
 void CMainWindow::createToolBars()
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 01fd08260..ef5a633f9 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
@@ -6,8 +6,7 @@ INCLUDE_DIRECTORIES(	${CMAKE_CURRENT_BINARY_DIR}
 FILE(GLOB SRC *.cpp *.h)
 SET(OVQT_EXT_SYS_SRC	${CMAKE_CURRENT_SOURCE_DIR}/../../extension_system/iplugin.h
 			${CMAKE_CURRENT_SOURCE_DIR}/../../extension_system/iplugin_manager.h
-			${CMAKE_CURRENT_SOURCE_DIR}/../../extension_system/plugin_spec.h
-			${CMAKE_CURRENT_SOURCE_DIR}/../../extension_system/plugin_spec.cpp)
+			${CMAKE_CURRENT_SOURCE_DIR}/../../extension_system/iplugin_spec.h)
 
 SET(OVQT_PLUG_EXAMPLE_HDR plugin1.h)
 
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 56c4b3d76..6508a79d5 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
@@ -3,9 +3,11 @@
 #include <QtCore/QObject>
 #include <QtGui/QMessageBox>
 #include <QtGui/QMainWindow>
+#include <QtGui/QMenu>
+#include <QtGui/QAction>
 #include <QtGui/QMenuBar>
 
-#include "../../extension_system/plugin_spec.h"
+#include "../../extension_system/iplugin_spec.h"
 
 #include "nel/misc/debug.h"
 
@@ -17,36 +19,30 @@ bool MyPlugin::initialize(NLQT::IPluginManager *pluginManager, QString *errorStr
 	_plugMan = pluginManager;
 	QString str;
 	
-	QList<NLQT::CPluginSpec *>  listPlug = pluginManager->plugins();
+	QList<NLQT::IPluginSpec *>  listPlug = pluginManager->plugins();
 	
-	Q_FOREACH (NLQT::CPluginSpec *plugSpec, listPlug)
+	Q_FOREACH (NLQT::IPluginSpec *plugSpec, listPlug)
 		str += plugSpec->name();
 
-	QMessageBox msgBox;
-	msgBox.setText(str);
-	msgBox.exec();
-
-	nlinfo("test message");
+	nlinfo(str.toStdString().c_str());
 
 	return true;
 }
 
 void MyPlugin::extensionsInitialized()
 {
-	QString str;
-	QList<QObject *> listObjects = _plugMan->allObjects();
-
-	Q_FOREACH (QObject *qobj, listObjects)
-	{
-		if (qobj->objectName() == "CMainWindow")
-		{
-			QMainWindow *wnd = qobject_cast< QMainWindow* >(qobj);
-			str += qobj->objectName() + QString(": width=%1,height=%2").arg(wnd->width()).arg(wnd->height());
-		}
-	}
+	QMenu *helpMenu = qobject_cast<QMenu *>(objectByName("ovqt.Menu.Help"));
+	helpMenu->addSeparator();
+	QAction *newAction = helpMenu->addAction("MyPlugin");
+	
+	connect(newAction, SIGNAL(triggered()), this, SLOT(execMessageBox()));
+}
 
+void MyPlugin::execMessageBox()
+{
+	QMainWindow *wnd = qobject_cast<QMainWindow *>(objectByName("CMainWindow"));
 	QMessageBox msgBox;
-	msgBox.setText(str);
+	msgBox.setText(wnd->objectName() + QString(": width=%1,height=%2").arg(wnd->width()).arg(wnd->height()));
 	msgBox.exec();
 }
 
@@ -63,17 +59,33 @@ QString MyPlugin::name() const
 
 QString MyPlugin::version() const
 {
-	return "0.1";
+	return "0.2";
 }
 
 QString MyPlugin::vendor() const
 {
-	return "dnk";
+	return "dnk-88";
 }
 
 QString MyPlugin::description() const
 {
-	return "Example plugin";
+	return "Example ovqt plugin.";
 }
 
+QObject* MyPlugin::objectByName(const QString &name) const
+{
+	Q_FOREACH (QObject *qobj, _plugMan->allObjects())
+		if (qobj->objectName() == name)
+				return qobj;
+	return 0;
+}
+
+NLQT::IPluginSpec *MyPlugin::pluginByName(const QString &name) const
+{
+	Q_FOREACH (NLQT::IPluginSpec *spec, _plugMan->plugins())
+		if (spec->name() == name)
+			return spec;
+	return 0;
+}
+
 Q_EXPORT_PLUGIN(MyPlugin)
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/example/plugin1.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/example/plugin1.h
index 03436177e..02d80e1dc 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/example/plugin1.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/example/plugin1.h
@@ -11,6 +11,12 @@ namespace NLMISC
 {
 class CLibraryContext;
 }
+
+namespace NLQT
+{
+class IPluginSpec;
+}
+
 namespace Plugin 
 {
 
@@ -29,6 +35,12 @@ public:
 	QString version() const;
 	QString vendor() const;
 	QString description() const;
+
+	QObject *objectByName(const QString &name) const;
+	NLQT::IPluginSpec *pluginByName(const QString &name) const;
+
+private Q_SLOTS:
+	void execMessageBox();
 
 protected:
 	NLMISC::CLibraryContext *_LibContext;