diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/primitive_item.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/primitive_item.h
index 4940a622b..204068db0 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/primitive_item.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/primitive_item.h
@@ -173,6 +173,8 @@ private:
 	NLLIGO::CPrimitives *m_primitives;
 };
 
+typedef QList<Node *> NodeList;
+
 } /* namespace WorldEditor */
 
 Q_DECLARE_METATYPE(WorldEditor::Node *)
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/primitives_view.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/primitives_view.cpp
index f324da9b9..896218a54 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/primitives_view.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/primitives_view.cpp
@@ -16,7 +16,6 @@
 
 // Project includes
 #include "primitives_view.h"
-#include "primitive_item.h"
 #include "primitives_model.h"
 #include "world_editor_actions.h"
 
@@ -208,7 +207,7 @@ void PrimitivesView::addNewPrimitiveByClass(int value)
 	QString className = node->primitiveClass()->DynamicChildren[value].ClassName.c_str();
 
 	m_undoStack->push(new AddPrimitiveByClassCommand(className, m_primitivesTreeModel->pathFromIndex(indexList.first()),
-					  m_primitivesTreeModel));
+					  m_worldEditorScene, m_primitivesTreeModel));
 }
 
 void PrimitivesView::generatePrimitives(int value)
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/primitives_view.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/primitives_view.h
index 18785b909..df317a93b 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/primitives_view.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/primitives_view.h
@@ -18,6 +18,9 @@
 #ifndef PRIMITIVES_VIEW_H
 #define PRIMITIVES_VIEW_H
 
+// Project includes
+#include "primitive_item.h"
+
 // NeL includes
 #include <nel/ligo/primitive.h>
 
@@ -28,6 +31,7 @@
 #include <QtCore/QVariant>
 #include <QtCore/QSignalMapper>
 #include <QtGui/QUndoStack>
+#include <QtGui/QItemSelection>
 
 namespace LandscapeEditor
 {
@@ -57,6 +61,9 @@ public:
 	void setWorldScene(WorldEditorScene *worldEditorScene);
 	virtual void setModel(PrimitivesTreeModel *model);
 
+public Q_SLOTS:
+	//void selectPrimitives();
+
 private Q_SLOTS:
 	void loadLandscape();
 	void loadRootPrimitive();
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_actions.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_actions.cpp
index 41de05f85..db4abcaa8 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_actions.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_actions.cpp
@@ -43,6 +43,29 @@
 namespace WorldEditor
 {
 
+QGraphicsItem *getGraphicsItem(Node *node)
+{
+	QGraphicsItem *result = 0;
+	if (node->type() == Node::PrimitiveNodeType)
+	{
+		PrimitiveNode *primitiveNode = static_cast<PrimitiveNode *>(node);
+		if (primitiveNode != 0)
+		{
+			switch (primitiveNode->primitiveClass()->Type)
+			{
+			case NLLIGO::CPrimitiveClass::Point:
+			case NLLIGO::CPrimitiveClass::Path:
+			case NLLIGO::CPrimitiveClass::Zone:
+			{
+				result = qvariant_cast<AbstractWorldItem *>(primitiveNode->data(Constants::GRAPHICS_DATA_QT4_2D));
+				break;
+			}
+			}
+		}
+	}
+	return result;
+}
+
 void addNewGraphicsItems(const QModelIndex &primIndex, PrimitivesTreeModel *model, WorldEditorScene *scene)
 {
 	PrimitiveNode *node = static_cast<PrimitiveNode *>(primIndex.internalPointer());
@@ -53,6 +76,10 @@ void addNewGraphicsItems(const QModelIndex &primIndex, PrimitivesTreeModel *mode
 		NLLIGO::IPrimitive *primitive = node->primitive();
 		NLLIGO::CPrimVector *vec = 0;
 		AbstractWorldItem *item = 0;
+
+		// Draw arrow ?
+		bool showArrow = node->primitiveClass()->ShowArrow;
+
 		switch (node->primitiveClass()->Type)
 		{
 		case NLLIGO::CPrimitiveClass::Point:
@@ -60,9 +87,6 @@ void addNewGraphicsItems(const QModelIndex &primIndex, PrimitivesTreeModel *mode
 			vec = primitive->getPrimVector();
 			NLLIGO::CPrimPoint *primPoint = static_cast<NLLIGO::CPrimPoint *>(primitive);
 
-			// Draw arrow ?
-			bool showArrow = node->primitiveClass()->ShowArrow;
-
 			// Have a radius ?
 			std::string strRadius;
 			qreal radius = 0;
@@ -85,7 +109,7 @@ void addNewGraphicsItems(const QModelIndex &primIndex, PrimitivesTreeModel *mode
 				++vec;
 			}
 
-			item = scene->addWorldItemPath(polygon);
+			item = scene->addWorldItemPath(polygon, showArrow);
 			break;
 		}
 		case NLLIGO::CPrimitiveClass::Zone:
@@ -153,22 +177,13 @@ void addNewGraphicsItems(const QModelIndex &primIndex, PrimitivesTreeModel *mode
 
 void removeGraphicsItems(const QModelIndex &primIndex, PrimitivesTreeModel *model, WorldEditorScene *scene)
 {
-	PrimitiveNode *node = static_cast<PrimitiveNode *>(primIndex.internalPointer());
+	Node *node = static_cast<Node *>(primIndex.internalPointer());
 
 	if (node != 0)
 	{
-		switch (node->primitiveClass()->Type)
-		{
-		case NLLIGO::CPrimitiveClass::Point:
-		case NLLIGO::CPrimitiveClass::Path:
-		case NLLIGO::CPrimitiveClass::Zone:
-		{
-			QGraphicsItem *item = qvariant_cast<AbstractWorldItem *>(node->data(Constants::GRAPHICS_DATA_QT4_2D));
-			if (item != 0)
-				scene->removeWorldItem(item);
-			break;
-		}
-		}
+		QGraphicsItem *item = getGraphicsItem(node);
+		if (item != 0)
+			scene->removeWorldItem(item);
 	}
 
 	int count = model->rowCount(primIndex);
@@ -334,10 +349,11 @@ void LoadRootPrimitiveCommand::redo()
 }
 
 AddPrimitiveByClassCommand::AddPrimitiveByClassCommand(const QString &className, const Path &parentIndex,
-		PrimitivesTreeModel *model, QUndoCommand *parent)
+		WorldEditorScene *scene, PrimitivesTreeModel *model, QUndoCommand *parent)
 	: QUndoCommand(parent),
 	  m_className(className),
 	  m_parentIndex(parentIndex),
+	  m_scene(scene),
 	  m_model(model)
 {
 	setText(QString("Add %1").arg(m_className));
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_actions.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_actions.h
index 2eda788b4..a76e49466 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_actions.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_actions.h
@@ -36,7 +36,15 @@ namespace WorldEditor
 {
 class WorldEditorScene;
 
+// Auxiliary operations
+
+// Return QGraphicsItem if node contains it
+QGraphicsItem *getGraphicsItem(Node *node);
+
+// Scan primitives model for create/add necessary QGraphicsItems
 void addNewGraphicsItems(const QModelIndex &primIndex, PrimitivesTreeModel *model, WorldEditorScene *scene);
+
+// Recursive scan primitives model for delete Graphics Items
 void removeGraphicsItems(const QModelIndex &primIndex, PrimitivesTreeModel *model, WorldEditorScene *scene);
 QList<Path> graphicsItemsToPaths(const QList<QGraphicsItem *> &items, PrimitivesTreeModel *model);
 //QList<GraphicsItem *> pathsToGraphicsItems(const QList<Path> &items, PrimitivesTreeModel *model);
@@ -130,7 +138,8 @@ class AddPrimitiveByClassCommand: public QUndoCommand
 {
 public:
 	AddPrimitiveByClassCommand(const QString &className, const Path &parentIndex,
-							   PrimitivesTreeModel *model, QUndoCommand *parent = 0);
+							   WorldEditorScene *scene, PrimitivesTreeModel *model,
+							   QUndoCommand *parent = 0);
 	virtual ~AddPrimitiveByClassCommand();
 
 	virtual void undo();
@@ -139,6 +148,7 @@ private:
 
 	const QString m_className;
 	Path m_parentIndex, m_newPrimIndex;
+	WorldEditorScene *m_scene;
 	PrimitivesTreeModel *m_model;
 };
 
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_scene.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_scene.cpp
index b986d7c0c..7ec656f85 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_scene.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_scene.cpp
@@ -42,6 +42,9 @@ WorldEditorScene::WorldEditorScene(int sizeCell, PrimitivesTreeModel *model, QUn
 {
 	setItemIndexMethod(NoIndex);
 
+	// TODO: get params from settings
+	setSceneRect(QRectF(-20 * 160, -20 * 160, 256 * 160, 256 * 160));
+
 	m_pen1.setColor(QColor(50, 255, 155));
 	m_pen1.setWidth(0);
 
@@ -67,7 +70,7 @@ AbstractWorldItem *WorldEditorScene::addWorldItemPoint(const QPointF &point, con
 	return item;
 }
 
-AbstractWorldItem *WorldEditorScene::addWorldItemPath(const QPolygonF &polyline)
+AbstractWorldItem *WorldEditorScene::addWorldItemPath(const QPolygonF &polyline, bool showArrow)
 {
 	WorldItemPath *item = new WorldItemPath(polyline);
 	addItem(item);
@@ -113,6 +116,31 @@ void WorldEditorScene::setEnabledEditPoint(bool enabled)
 	m_editMode = enabled;
 }
 
+void WorldEditorScene::updateSelection(const QList<QGraphicsItem *> &selected, const QList<QGraphicsItem *> &deselected)
+{
+	// Deselect and remove from list graphics items.
+	Q_FOREACH(QGraphicsItem *item, deselected)
+	{
+		// Item is selected?
+		int i = m_selectedItems.indexOf(item);
+		if (i != -1)
+		{
+			updateSelectedItem(item, false);
+			m_selectedItems.takeAt(i);
+		}
+	}
+
+	// Select and add from list graphics items.
+	Q_FOREACH(QGraphicsItem *item, selected)
+	{
+		updateSelectedItem(item, true);
+		m_selectedItems.push_back(item);
+	}
+
+	update();
+	m_editedSelectedItems = true;
+}
+
 void WorldEditorScene::drawForeground(QPainter *painter, const QRectF &rect)
 {
 	QGraphicsScene::drawForeground(painter, rect);
@@ -138,15 +166,11 @@ void WorldEditorScene::mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent)
 {
 	LandscapeEditor::LandscapeSceneBase::mousePressEvent(mouseEvent);
 
-	qreal x = mouseEvent->scenePos().x();
-	qreal y = mouseEvent->scenePos().y();
-
 	if (mouseEvent->button() != Qt::LeftButton)
 		return;
 
 	m_firstPick = mouseEvent->scenePos();
 
-//	if ((!m_editedSelectedItems) && (m_mode != WorldEditorScene::SelectMode))
 	if ((!m_editedSelectedItems && m_selectedItems.isEmpty()) ||
 			(!calcBoundingRect(m_selectedItems).contains(mouseEvent->scenePos())))
 	{
@@ -183,12 +207,19 @@ void WorldEditorScene::mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent)
 		break;
 	};
 
+	m_selectHack = true;
 //	if (m_selectedItems.isEmpty())
 //		m_selectionArea.setTopLeft(mouseEvent->scenePos());
 }
 
 void WorldEditorScene::mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent)
 {
+	if (m_selectHack)
+	{
+		m_selectHack = false;
+		updateSelectedItems(true);
+	}
+
 	if (QApplication::mouseButtons() == Qt::LeftButton)
 	{
 
@@ -379,18 +410,23 @@ void WorldEditorScene::updateSelectedItems(bool value)
 {
 	Q_FOREACH(QGraphicsItem *item, m_selectedItems)
 	{
-		if (value)
-		{
-			item->setFlag(QGraphicsItem::ItemIsSelectable);
-			//item->setZValue(SELECTED_LAYER);
-		}
-		else
-		{
-			item->setFlag(QGraphicsItem::ItemIsSelectable, false);
-			//item->setZValue(UNSELECTED_LAYER);
-		}
-		item->setSelected(value);
+		updateSelectedItem(item, value);
+	}
+}
+
+void WorldEditorScene::updateSelectedItem(QGraphicsItem *item, bool value)
+{
+	if (value)
+	{
+		item->setFlag(QGraphicsItem::ItemIsSelectable);
+		//item->setZValue(SELECTED_LAYER);
+	}
+	else
+	{
+		item->setFlag(QGraphicsItem::ItemIsSelectable, false);
+		//item->setZValue(UNSELECTED_LAYER);
 	}
+	item->setSelected(value);
 }
 
 void WorldEditorScene::updatePickSelection(const QPointF &point)
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_scene.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_scene.h
index c7868b15a..3ca055786 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_scene.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_scene.h
@@ -58,9 +58,8 @@ public:
 
 	AbstractWorldItem *addWorldItemPoint(const QPointF &point, const qreal angle,
 										 const qreal radius, bool showArrow);
-	AbstractWorldItem *addWorldItemPath(const QPolygonF &polyline);
+	AbstractWorldItem *addWorldItemPath(const QPolygonF &polyline, bool showArrow);
 	AbstractWorldItem *addWorldItemZone(const QPolygonF &polygon);
-
 	void removeWorldItem(QGraphicsItem *item);
 
 	void setModeEdit(WorldEditorScene::ModeEdit mode);
@@ -70,6 +69,7 @@ public:
 
 public Q_SLOTS:
 	void setEnabledEditPoint(bool enabled);
+	void updateSelection(const QList<QGraphicsItem *> &selected, const QList<QGraphicsItem *> &deselected);
 
 protected:
 	virtual void drawForeground(QPainter *painter, const QRectF &rect);
@@ -83,12 +83,13 @@ private:
 	QRectF calcBoundingRect(const QList<QGraphicsItem *> &listItems);
 	QPainterPath calcBoundingShape(const QList<QGraphicsItem *> &listItems);
 	void updateSelectedItems(bool value);
-
+	void updateSelectedItem(QGraphicsItem *item, bool value);
 	void updatePickSelection(const QPointF &point);
 
 	QPen m_pen1, m_pen2;
 	QBrush m_brush1, m_brush2;
 
+	bool m_selectHack;
 	QPointF m_firstPick, m_scaleFactor, m_pivot;
 	QRectF m_selectionArea;
 	qreal m_firstPickX, m_firstPickY, m_angle;
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_scene_item.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_scene_item.cpp
index 0e65e6455..89ddd80a5 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_scene_item.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_scene_item.cpp
@@ -349,21 +349,7 @@ WorldItemPoint::WorldItemPoint(const QPointF &point, const qreal angle, const qr
 	m_selectedBrush.setColor(Qt::white);
 	m_selectedBrush.setStyle(Qt::SolidPattern);
 
-
-	if (m_radius != 0)
-	{
-		// Create circle
-		int segmentCount = 30;
-		QPointF circlePoint(m_radius, 0);
-		m_circle << circlePoint;
-		for (int i = 1; i < segmentCount + 1; ++i)
-		{
-			qreal angle = i * (2 * NLMISC::Pi / segmentCount);
-			circlePoint.setX(cos(angle) * m_radius);
-			circlePoint.setY(sin(angle) * m_radius);
-			m_circle << circlePoint;
-		}
-	}
+	createCircle();
 
 	// Create arrow
 	if (showArrow)
@@ -373,6 +359,7 @@ WorldItemPoint::WorldItemPoint(const QPointF &point, const qreal angle, const qr
 		m_arrow.push_back(QLine(SIZE_ARROW - 2, 2, SIZE_ARROW, 0));
 	}
 
+	updateBoundingRect();
 	//setFlag(ItemIsSelectable);
 }
 
@@ -424,6 +411,8 @@ void WorldItemPoint::turnOn(const qreal angle)
 
 void WorldItemPoint::radiusOn(const qreal radius)
 {
+	if (m_radius == 0)
+		return;
 }
 
 void WorldItemPoint::setColor(const QColor &color)
@@ -432,18 +421,43 @@ void WorldItemPoint::setColor(const QColor &color)
 	m_brush.setColor(color);
 }
 
+void WorldItemPoint::createCircle()
+{
+	if (m_radius != 0)
+	{
+		// Create circle
+		int segmentCount = 30;
+		QPointF circlePoint(m_radius, 0);
+		m_circle << circlePoint;
+		for (int i = 1; i < segmentCount + 1; ++i)
+		{
+			qreal angle = i * (2 * NLMISC::Pi / segmentCount);
+			circlePoint.setX(cos(angle) * m_radius);
+			circlePoint.setY(sin(angle) * m_radius);
+			m_circle << circlePoint;
+		}
+	}
+}
+
+void WorldItemPoint::updateBoundingRect()
+{
+	m_boundingRect.setCoords(-SIZE_POINT, -SIZE_POINT, SIZE_POINT, SIZE_POINT);
+	QRectF circleBoundingRect;
+	circleBoundingRect.setCoords(-m_radius, -m_radius, m_radius, m_radius);
+	m_boundingRect = m_boundingRect.united(circleBoundingRect);
+}
+
 QPainterPath WorldItemPoint::shape() const
 {
 	QPainterPath path;
 
-	path.addRect(m_rect);
-
+	path.addRect(m_boundingRect);
 	return qt_graphicsItem_shapeFromPath(path, m_pen);
 }
 
 QRectF WorldItemPoint::boundingRect() const
 {
-	return m_rect;
+	return m_boundingRect;
 }
 
 void WorldItemPoint::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *)
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_scene_item.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_scene_item.h
index af30c3470..0625084bd 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_scene_item.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_scene_item.h
@@ -168,6 +168,8 @@ protected:
 	virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value);
 
 private:
+	void createCircle();
+	void updateBoundingRect();
 
 	// TODO
 	static const int SIZE_POINT = 3;
@@ -177,7 +179,7 @@ private:
 
 	QPolygonF m_circle;
 	QVector<QLine> m_arrow;
-	QRectF m_rect;
+	QRectF m_rect, m_boundingRect;
 	qreal m_angle, m_radius;
 	bool m_showArrow;
 };
@@ -236,7 +238,7 @@ public:
 protected:
 	virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value);
 
-	static const int TRANSPARENCY = 28;
+	static const int TRANSPARENCY = 38;
 
 	QPen m_pen, m_selectedPen;
 	QBrush m_brush, m_selectedBrush;
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_window.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_window.cpp
index 1e8a65506..e00e804f3 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_window.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_window.cpp
@@ -105,6 +105,9 @@ WorldEditorWindow::WorldEditorWindow(QWidget *parent)
 	connect(m_ui.saveWorldEditAction, SIGNAL(triggered()), this, SLOT(saveWorldEditFile()));
 	connect(m_ui.visibleGridAction, SIGNAL(toggled(bool)), m_ui.graphicsView, SLOT(setVisibleGrid(bool)));
 
+	connect(m_ui.treePrimitivesView->selectionModel(), SIGNAL(selectionChanged(QItemSelection, QItemSelection)),
+			this, SLOT(updateSelection(QItemSelection, QItemSelection)));
+
 	m_statusBarTimer = new QTimer(this);
 	connect(m_statusBarTimer, SIGNAL(timeout()), this, SLOT(updateStatusBar()));
 
@@ -250,6 +253,47 @@ void WorldEditorWindow::updateStatusBar()
 	m_statusInfo->setText(m_worldEditorScene->zoneNameFromMousePos());
 }
 
+void WorldEditorWindow::updateSelection(const QItemSelection &selected, const QItemSelection &deselected)
+{
+	m_ui.pointsAction->setChecked(false);
+
+	NodeList nodesSelected;
+	Q_FOREACH(QModelIndex modelIndex, selected.indexes())
+	{
+		Node *node = static_cast<Node *>(modelIndex.internalPointer());
+		nodesSelected.push_back(node);
+	}
+
+	NodeList nodesDeselected;
+	Q_FOREACH(QModelIndex modelIndex, deselected.indexes())
+	{
+		Node *node = static_cast<Node *>(modelIndex.internalPointer());
+		nodesDeselected.push_back(node);
+	}
+
+	// TODO: update property editor
+	// ...
+
+	QList<QGraphicsItem *> itemSelected;
+	Q_FOREACH(Node *node, nodesSelected)
+	{
+		QGraphicsItem *item = getGraphicsItem(node);
+		if (item != 0)
+			itemSelected.push_back(item);
+	}
+
+	QList<QGraphicsItem *> itemDeselected;
+	Q_FOREACH(Node *node, nodesDeselected)
+	{
+		QGraphicsItem *item = getGraphicsItem(node);
+		if (item != 0)
+			itemDeselected.push_back(item);
+	}
+
+	// Update world editor scene
+	m_worldEditorScene->updateSelection(itemSelected, itemDeselected);
+}
+
 void WorldEditorWindow::showEvent(QShowEvent *showEvent)
 {
 	QMainWindow::showEvent(showEvent);
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_window.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_window.h
index 58cd3a532..5844489f6 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_window.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/world_editor/world_editor_window.h
@@ -60,6 +60,8 @@ private Q_SLOTS:
 	void setMode(int value);
 	void updateStatusBar();
 
+	void updateSelection(const QItemSelection &selected, const QItemSelection &deselected);
+
 protected:
 	virtual void showEvent(QShowEvent *showEvent);
 	virtual void hideEvent(QHideEvent *hideEvent);