diff --git a/editor/editorcommands.cpp b/editor/editorcommands.cpp
index c667a7a95..3eb1e9b90 100644
--- a/editor/editorcommands.cpp
+++ b/editor/editorcommands.cpp
@@ -163,6 +163,13 @@ void ChangePartCommand::redo() {
 	cep -> setProperty(property, new_value);
 }
 
+/**
+	Constructeur
+	@param p Polygone edite
+	@param o_points points avant le changement
+	@param n_points points apres le changement
+	@param parent QUndoCommand parent
+*/
 ChangePolygonPointsCommand::ChangePolygonPointsCommand(
 	PartPolygon *p,
 	const QVector<QPointF> &o_points,
@@ -176,13 +183,83 @@ ChangePolygonPointsCommand::ChangePolygonPointsCommand(
 {
 }
 
+/// Destructeur
 ChangePolygonPointsCommand::~ChangePolygonPointsCommand() {
 }
 
+/// Annule le changement
 void ChangePolygonPointsCommand::undo() {
 	polygon -> setPolygon(old_points);
 }
 
+/// Refait le changement
 void ChangePolygonPointsCommand::redo() {
 	polygon -> setPolygon(new_points);
 }
+
+/**
+	Constructeur
+	@param element_scene Element edite
+	@param size_1 Dimensions de l'element avant le changement
+	@param size_2 Dimensions de l'element apres le changement
+	@param hotspot_1 Point de saisie de l'element avant le changement
+	@param hotspot_2 Point de saisie de l'element apres le changement
+	@param o Eventuel decalage a appliquer aux parties de l'element edite
+	@param parent QUndoCommand parent
+*/
+ChangeHotspotCommand::ChangeHotspotCommand(
+	ElementScene *element_scene,
+	const QSize  &size_1,
+	const QSize  &size_2,
+	const QPoint &hotspot_1,
+	const QPoint &hotspot_2,
+	const QPoint &o,
+	QUndoCommand *parent
+) :
+	QUndoCommand(QObject::tr("modification dimensions/hotspot"), parent),
+	element(element_scene),
+	size_before(size_1),
+	size_after(size_2),
+	hotspot_before(hotspot_1),
+	hotspot_after(hotspot_2),
+	offset(o)
+{
+}
+
+/// Destructeur
+ChangeHotspotCommand::~ChangeHotspotCommand() {
+}
+
+/// Annule le changement
+void ChangeHotspotCommand::undo() {
+	QRectF sc(element -> sceneContent());
+	
+	element -> setWidth(size_before.width());
+	element -> setHeight(size_before.height());
+	element -> setHotspot(hotspot_before);
+	if (!offset.isNull()) applyOffset(-offset);
+	
+	element -> update(element -> sceneContent().unite(sc));
+}
+
+/// Refait le changement
+void ChangeHotspotCommand::redo() {
+	QRectF sc(element -> sceneContent());
+	
+	element -> setWidth(size_after.width());
+	element -> setHeight(size_after.height());
+	element -> setHotspot(hotspot_after);
+	if (!offset.isNull()) applyOffset(offset);
+	
+	element -> update(element -> sceneContent().unite(sc));
+}
+
+/**
+	Applique une translation aux parties de l'element edite
+	@param o Translation a appliquer
+*/
+void ChangeHotspotCommand::applyOffset(const QPointF &o) {
+	foreach(QGraphicsItem *qgi, element -> items()) {
+		qgi -> translate(o.x(), o.y());
+	}
+}
diff --git a/editor/editorcommands.h b/editor/editorcommands.h
index fce2510ad..e200d96a6 100644
--- a/editor/editorcommands.h
+++ b/editor/editorcommands.h
@@ -134,4 +134,38 @@ class ChangePolygonPointsCommand : public QUndoCommand {
 	/// nouveaux points
 	QVector<QPointF> new_points;
 };
+
+/**
+	Cette classe represente l'action de modifier les dimensions et le point de saisie d'un element
+*/
+class ChangeHotspotCommand : public QUndoCommand {
+	// constructeurs, destructeur
+	public:
+	ChangeHotspotCommand(ElementScene *, const QSize &, const QSize &, const QPoint &, const QPoint &, const QPoint & = QPoint(), QUndoCommand * = 0);
+	virtual ~ChangeHotspotCommand();
+	private:
+	ChangeHotspotCommand(const ChangeHotspotCommand &);
+	
+	// methodes
+	public:
+	virtual void undo();
+	virtual void redo();
+	
+	private:
+	void applyOffset(const QPointF &);
+	
+	// attributs
+	/// Element edite auquel il faut appliquer les modifications
+	ElementScene *element;
+	/// dimensions avant l'action
+	QSize size_before;
+	/// dimensions apres l'action
+	QSize size_after;
+	/// point de saisie avant l'action
+	QPoint hotspot_before;
+	/// point de saisie apres l'action
+	QPoint hotspot_after;
+	/// decalage a appliquer aux elements
+	QPoint offset;
+};
 #endif
diff --git a/editor/elementscene.cpp b/editor/elementscene.cpp
index 05d5dd760..d5127dd9c 100644
--- a/editor/elementscene.cpp
+++ b/editor/elementscene.cpp
@@ -384,6 +384,10 @@ void ElementScene::fromXml(const QDomDocument &xml_document) {
 	}
 }
 
+QRectF ElementScene::sceneContent() const {
+	return(itemsBoundingRect().unite(QRectF(-_hotspot, QSizeF(width(), height()))));
+}
+
 QUndoStack &ElementScene::undoStack() {
 	return(undo_stack);
 }
@@ -446,15 +450,16 @@ void ElementScene::slot_editSizeHotSpot() {
 	
 	// lance le dialogue
 	if (dialog_sh.exec() == QDialog::Accepted) {
-		setWidth(hotspot_editor -> elementWidth());
-		setHeight(hotspot_editor -> elementHeight());
-		setHotspot(hotspot_editor -> hotspot());
-		if (hotspot_editor -> mustTranslateParts()) {
-			QPoint translation = hotspot_editor -> offsetParts();
-			foreach(QGraphicsItem *qgi, items()) {
-				qgi -> translate(translation.x(), translation.y());
-			}
-		}
+		undo_stack.push(
+			new ChangeHotspotCommand(
+				this,
+				QSize(width(), height()),
+				hotspot_editor -> elementSize(),
+				_hotspot,
+				hotspot_editor -> hotspot(),
+				hotspot_editor -> mustTranslateParts() ? hotspot_editor -> offsetParts() : QPoint()
+			)
+		);
 	}
 }
 
diff --git a/editor/elementscene.h b/editor/elementscene.h
index 2e2f9b042..98d11f033 100644
--- a/editor/elementscene.h
+++ b/editor/elementscene.h
@@ -65,6 +65,7 @@ class ElementScene : public QGraphicsScene {
 	void setOrientations(const OrientationSet &);
 	virtual const QDomDocument toXml() const;
 	virtual void fromXml(const QDomDocument &);
+	QRectF sceneContent() const;
 	QUndoStack &undoStack();
 	QGIManager &qgiManager();
 	
diff --git a/hotspoteditor.cpp b/hotspoteditor.cpp
index ee776e1a7..de8edf680 100644
--- a/hotspoteditor.cpp
+++ b/hotspoteditor.cpp
@@ -96,12 +96,12 @@ uint HotspotEditor::elementHeight10px() const {
 	return(sb_height -> value());
 }
 
-/// @return la Largeur de l'element en dizaines de pixels
+/// @return la Largeur de l'element en pixels
 uint HotspotEditor::elementWidth() const {
 	return(sb_width -> value() * 10);
 }
 
-/// @return la hauteur de l'element en dizaines de pixels
+/// @return la hauteur de l'element en pixels
 uint HotspotEditor::elementHeight() const {
 	return(sb_height -> value() * 10);
 }
@@ -117,7 +117,7 @@ QSize HotspotEditor::elementSize10px() const {
 	return(QSize(elementWidth10px(), elementHeight10px()));
 }
 
-/// @return la taille de l'element, en dizaines de pixels
+/// @return la taille de l'element, en pixels
 QSize HotspotEditor::elementSize() const {
 	return(QSize(elementWidth(), elementHeight()));
 }