diff --git a/sources/qetmainwindow.cpp b/sources/qetmainwindow.cpp
new file mode 100644
index 000000000..d49b330df
--- /dev/null
+++ b/sources/qetmainwindow.cpp
@@ -0,0 +1,149 @@
+/*
+	Copyright 2006-2012 Xavier Guerrin
+	This file is part of QElectroTech.
+	
+	QElectroTech 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 2 of the License, or
+	(at your option) any later version.
+	
+	QElectroTech 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 QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#include "qetmainwindow.h"
+#include "qeticons.h"
+#include "qetapp.h"
+
+/**
+	Constructor
+*/
+QETMainWindow::QETMainWindow(QWidget *widget, Qt::WindowFlags flags) :
+	QMainWindow(widget, flags),
+	display_toolbars_(0)
+{
+	initCommonActions();
+	initCommonMenus();
+}
+
+/**
+	Destructor
+*/
+QETMainWindow::~QETMainWindow() {
+}
+
+/**
+	Initialize common actions.
+*/
+void QETMainWindow::initCommonActions() {
+	QETApp *qet_app = QETApp::instance();
+	
+	configure_action_ = new QAction(QET::Icons::Configure, tr("&Configurer QElectroTech"), this);
+	configure_action_ -> setStatusTip(tr("Permet de r\351gler diff\351rents param\350tres de QElectroTech", "status bar tip"));
+	connect(configure_action_,  SIGNAL(triggered()), qet_app, SLOT(configureQET()));
+	
+	fullscreen_action_ = new QAction(this);
+	updateFullScreenAction();
+	connect(fullscreen_action_, SIGNAL(triggered()), this, SLOT(toggleFullScreen()));
+	
+	about_qet_ = new QAction(QET::Icons::QETLogo, tr("\300 &propos de QElectroTech"), this);
+	about_qet_ -> setStatusTip(tr("Affiche des informations sur QElectroTech", "status bar tip"));
+	connect(about_qet_,  SIGNAL(triggered()), qet_app, SLOT(aboutQET()));
+	
+	about_qt_ = new QAction(QET::Icons::QtLogo,  tr("\300 propos de &Qt"), this);
+	about_qt_ -> setStatusTip(tr("Affiche des informations sur la biblioth\350que Qt", "status bar tip"));
+	connect(about_qt_, SIGNAL(triggered()), qet_app, SLOT(aboutQt()));
+}
+
+/**
+	Initialize common menus.
+*/
+void QETMainWindow::initCommonMenus() {
+	settings_menu_ = new QMenu(tr("&Configuration", "window menu"));
+	settings_menu_ -> addAction(fullscreen_action_);
+	settings_menu_ -> addAction(configure_action_);
+	connect(settings_menu_, SIGNAL(aboutToShow()), this, SLOT(checkToolbarsmenu()));
+	
+	help_menu_ = new QMenu(tr("&Aide", "window menu"));
+	help_menu_ -> addAction(about_qet_);
+	help_menu_ -> addAction(about_qt_);
+	
+	insertMenu(0, settings_menu_);
+	insertMenu(0, help_menu_);
+}
+
+/**
+	Add \a menu before \a before. Unless \a customize is false, this method also
+	enables some common settings on the inserted menu.
+*/
+void QETMainWindow::insertMenu(QMenu *before, QMenu *menu, bool customize) {
+	if (!menu) return;
+	
+	QAction *before_action = actionForMenu(before);
+	QAction *menu_action = menuBar() -> insertMenu(before_action, menu);
+	menu_actions_.insert(menu, menu_action);
+	
+	if (customize) {
+		menu -> setTearOffEnabled(true);
+	}
+}
+
+/**
+	@return the action returned when inserting \a menu
+*/
+QAction *QETMainWindow::actionForMenu(QMenu *menu) {
+	return(menu_actions_.value(menu, 0));
+}
+
+/**
+	Toggle the window from/to full screen.
+*/
+void QETMainWindow::toggleFullScreen() {
+	setWindowState(windowState() ^ Qt::WindowFullScreen);
+}
+
+/**
+	Update the look of the full screen action according to the current state of
+	the window.
+*/
+void QETMainWindow::updateFullScreenAction() {
+	if (windowState() & Qt::WindowFullScreen) {
+		fullscreen_action_ -> setText(tr("Sortir du &mode plein \351cran"));
+		fullscreen_action_ -> setIcon(QET::Icons::FullScreenExit);
+		fullscreen_action_ -> setStatusTip(tr("Affiche QElectroTech en mode fen\352tr\351", "status bar tip"));
+	} else {
+		fullscreen_action_ -> setText(tr("Passer en &mode plein \351cran"));
+		fullscreen_action_ -> setIcon(QET::Icons::FullScreenEnter);
+		fullscreen_action_ -> setStatusTip(tr("Affiche QElectroTech en mode plein \351cran", "status bar tip"));
+	}
+	fullscreen_action_ -> setShortcut(QKeySequence(tr("Ctrl+Shift+F")));
+}
+
+/**
+	Check whether a sub menu dedicated to docks and toolbars can be inserted on
+	top of the settings menu.
+*/
+void QETMainWindow::checkToolbarsmenu() {
+	if (display_toolbars_) return;
+	display_toolbars_ = createPopupMenu();
+	if (display_toolbars_) {
+		display_toolbars_ -> setTearOffEnabled(true);
+		display_toolbars_ -> setTitle(tr("Afficher", "menu entry"));
+		display_toolbars_ -> setIcon(QET::Icons::ConfigureToolbars);
+		settings_menu_ -> insertMenu(fullscreen_action_, display_toolbars_);
+	}
+}
+
+/**
+	Handle the \a e event.
+*/
+bool QETMainWindow::event(QEvent *e) {
+	if (e -> type() == QEvent::WindowStateChange) {
+		updateFullScreenAction();
+	}
+	return(QMainWindow::event(e));
+}
diff --git a/sources/qetmainwindow.h b/sources/qetmainwindow.h
new file mode 100644
index 000000000..f6472aaa7
--- /dev/null
+++ b/sources/qetmainwindow.h
@@ -0,0 +1,61 @@
+/*
+	Copyright 2006-2012 Xavier Guerrin
+	This file is part of QElectroTech.
+	
+	QElectroTech 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 2 of the License, or
+	(at your option) any later version.
+	
+	QElectroTech 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 QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef QET_MAIN_WINDOW_H
+#define QET_MAIN_WINDOW_H
+#include <QMainWindow>
+#include <QHash>
+/**
+	This is the base class for the main top-level windows within
+	QElectroTech.
+*/
+class QETMainWindow : public QMainWindow {
+	Q_OBJECT
+	
+	// constructor, destructor
+	public:
+	QETMainWindow(QWidget * = 0, Qt::WindowFlags = 0);
+	virtual ~QETMainWindow();
+	
+	// methods
+	protected:
+	void initCommonActions();
+	void initCommonMenus();
+	void insertMenu(QMenu *, QMenu *, bool = true);
+	QAction *actionForMenu(QMenu *);
+	
+	protected:
+	bool event(QEvent *);
+	
+	// slots
+	public slots:
+	void toggleFullScreen();
+	void updateFullScreenAction();
+	void checkToolbarsmenu();
+	
+	// attributes
+	protected:
+	QAction *configure_action_;              ///< Launch the QElectroTech configuration dialog
+	QAction *fullscreen_action_;             ///< Toggle full screen
+	QAction *about_qet_;                     ///< Launch the "About QElectroTech" dialog
+	QAction *about_qt_;                      ///< launch the "About Qt" dialog
+	QMenu *settings_menu_;                   ///< Settings menu
+	QMenu *help_menu_;                       ///< Help menu
+	QMenu *display_toolbars_;                ///< Show/hide toolbars/docks
+	QHash<QMenu *, QAction *> menu_actions_; ///< Store actions retrieved when inserting menus
+};
+#endif