diff --git a/editor/qetelementeditor.cpp b/editor/qetelementeditor.cpp
index 8fb32e81a..b4c50d6bb 100644
--- a/editor/qetelementeditor.cpp
+++ b/editor/qetelementeditor.cpp
@@ -18,7 +18,16 @@ QETElementEditor::QETElementEditor(QWidget *parent) :
 	setupInterface();
 	setupActions();
 	setupMenus();
-	showMaximized();
+	
+	// la fenetre est maximisee par defaut
+	setMinimumSize(QSize(500, 350));
+	setWindowState(Qt::WindowMaximized);
+	
+	// lecture des parametres
+	readSettings();
+	
+	// affichage
+	show();
 }
 
 QETElementEditor::~QETElementEditor() {
@@ -514,6 +523,7 @@ bool QETElementEditor::canClose() {
 */
 void QETElementEditor::closeEvent(QCloseEvent *qce) {
 	if (canClose()) {
+		writeSettings();
 		setAttribute(Qt::WA_DeleteOnClose);
 		qce -> accept();
 	} else qce -> ignore();
@@ -574,3 +584,24 @@ void QETElementEditor::slot_updateSelectionFromPartsList() {
 	parts_list -> blockSignals(false);
 	ce_scene -> blockSignals(false);
 }
+
+/// Lit les parametres de l'editeur d'element
+void QETElementEditor::readSettings() {
+	QSettings &settings = QETApp::settings();
+	
+	// dimensions et position de la fenetre
+	QVariant geometry = settings.value("elementeditor/geometry");
+	if (geometry.isValid()) restoreGeometry(geometry.toByteArray());
+	
+	// etat de la fenetre (barres d'outils, docks...)
+	QVariant state = settings.value("elementeditor/state");
+	if (state.isValid()) restoreState(state.toByteArray());
+}
+
+/// Enregistre les parametres de l'editeur d'element
+void QETElementEditor::writeSettings() {
+	QSettings &settings = QETApp::settings();
+	settings.setValue("elementeditor/geometry", saveGeometry());
+	settings.setValue("elementeditor/state", saveState());
+}
+
diff --git a/editor/qetelementeditor.h b/editor/qetelementeditor.h
index 908dcef84..86b99292c 100644
--- a/editor/qetelementeditor.h
+++ b/editor/qetelementeditor.h
@@ -73,6 +73,8 @@ class QETElementEditor : public QMainWindow {
 	void fromFile(const QString &);
 	bool toFile(const QString &);
 	ElementScene *elementScene() const;
+	void readSettings();
+	void writeSettings();
 	
 	protected:
 	void closeEvent(QCloseEvent *);
diff --git a/qetapp.cpp b/qetapp.cpp
index 201ee456c..72778ec3e 100644
--- a/qetapp.cpp
+++ b/qetapp.cpp
@@ -101,6 +101,9 @@ QETApp::QETApp(int &argc, char **argv) : QApplication(argc, argv) {
 		setStyle(new QETStyle());
 	}
 	
+	// lit le fichier de configuration
+	qet_settings = new QSettings(configDir() + "qelectrotech.conf", QSettings::IniFormat, this);
+	
 	// Creation et affichage d'un editeur de schema
 	QStringList files;
 	foreach(QString argument, arguments()) {
@@ -620,3 +623,8 @@ QIcon QETStyle::standardIconImplementation(StandardPixmap standardIcon, const QS
 			return(QPlastiqueStyle::standardIconImplementation(standardIcon, option, widget));
 	}
 }
+
+/// @return une reference vers les parametres de QElectroTEch
+QSettings &QETApp::settings() {
+	return(*(static_cast<QETApp *>(qApp) -> qet_settings));
+}
diff --git a/qetapp.h b/qetapp.h
index 4ea9fe38b..b5bf34b78 100644
--- a/qetapp.h
+++ b/qetapp.h
@@ -29,6 +29,7 @@ class QETApp : public QApplication {
 	static QString commonElementsDir();
 	static QString customElementsDir();
 	static QString configDir();
+	static QSettings &settings();
 	static QString languagesPath();
 	static QString realPath(const QString &);
 	static QString symbolicPath(const QString &);
@@ -71,6 +72,7 @@ class QETApp : public QApplication {
 	bool every_element_reduced;
 	bool every_element_visible;
 	QSignalMapper signal_map;
+	QSettings *qet_settings;
 	
 	public slots:
 	void systray(QSystemTrayIcon::ActivationReason);
diff --git a/qetdiagrameditor.cpp b/qetdiagrameditor.cpp
index b608d326a..5290f4247 100644
--- a/qetdiagrameditor.cpp
+++ b/qetdiagrameditor.cpp
@@ -80,8 +80,7 @@ QETDiagramEditor::QETDiagramEditor(const QStringList &files, QWidget *parent) :
 	menus();
 	
 	// la fenetre est maximisee par defaut
-	setMinimumWidth(500);
-	setMinimumHeight(350);
+	setMinimumSize(QSize(500, 350));
 	setWindowState(Qt::WindowMaximized);
 	
 	// connexions signaux / slots pour une interface sensee
@@ -92,6 +91,9 @@ QETDiagramEditor::QETDiagramEditor(const QStringList &files, QWidget *parent) :
 	// ajout de tous les DiagramView necessaires
 	foreach (DiagramView *sv, diagram_views) addDiagramView(sv);
 	
+	// lecture des parametres
+	readSettings();
+	
 	// affichage
 	show();
 }
@@ -123,6 +125,7 @@ void QETDiagramEditor::closeEvent(QCloseEvent *qce) {
 		}
 	}
 	if (can_quit) {
+		writeSettings();
 		setAttribute(Qt::WA_DeleteOnClose);
 		qce -> accept();
 	}
@@ -941,3 +944,23 @@ void QETDiagramEditor::slot_addText() {
 		dv -> addText();
 	}
 }
+
+/// Lit les parametres de l'editeur de schemas
+void QETDiagramEditor::readSettings() {
+	QSettings &settings = QETApp::settings();
+	
+	// dimensions et position de la fenetre
+	QVariant geometry = settings.value("diagrameditor/geometry");
+	if (geometry.isValid()) restoreGeometry(geometry.toByteArray());
+	
+	// etat de la fenetre (barres d'outils, docks...)
+	QVariant state = settings.value("diagrameditor/state");
+	if (state.isValid()) restoreState(state.toByteArray());
+}
+
+/// Enregistre les parametres de l'editeur de schemas
+void QETDiagramEditor::writeSettings() {
+	QSettings &settings = QETApp::settings();
+	settings.setValue("diagrameditor/geometry", saveGeometry());
+	settings.setValue("diagrameditor/state", saveState());
+}
diff --git a/qetdiagrameditor.h b/qetdiagrameditor.h
index e868e9c3c..929207932 100644
--- a/qetdiagrameditor.h
+++ b/qetdiagrameditor.h
@@ -72,6 +72,8 @@ class QETDiagramEditor : public QMainWindow {
 	void slot_resetConductors();
 	void slot_editDefaultConductors();
 	void slot_addText();
+	void readSettings();
+	void writeSettings();
 	
 	// attributs
 	public: