diff --git a/Makefile b/Makefile
index 0a4875e..38d33db 100644
--- a/Makefile
+++ b/Makefile
@@ -51,17 +51,15 @@ install-dirs:
 install: install-dirs install-locales
 	$(INSTALL_PROGRAM) src/usbinstall.py $(DESTDIR)$(mambadir)/usbinstall/usbinstall.py
 	$(INSTALL_SCRIPT) src/usbinstall.sh $(DESTDIR)$(mambadir)/usbinstall/usbinstall.sh
-	$(INSTALL_PROGRAM) src/gui.py $(DESTDIR)$(mambadir)/usbinstall/gui.py
 	$(INSTALL_DATA) src/fdisk_template $(DESTDIR)$(mambadir)/usbinstall/fdisk_template
 	$(INSTALL_DATA) src/img/*.png $(DESTDIR)$(mambadir)/usbinstall/img/
 	# Crea un link in /usr/bin agli eseguibili in $(mambadir)/usbinstall
-	ln -s $(DESTDIR)$(mambadir)/usbinstall/usbinstall.py $(DESTDIR)$(bindir)/usbinstall.py
-	ln -s $(DESTDIR)$(mambadir)/usbinstall/usbinstall.sh $(DESTDIR)$(bindir)/usbinstall.sh
+	ln -s $(mambadir)/usbinstall/usbinstall.py $(DESTDIR)$(bindir)/usbinstall.py
+	ln -s $(mambadir)/usbinstall/usbinstall.sh $(DESTDIR)$(bindir)/usbinstall.sh
 
 
 clean: 
 	rm -f $(pck_catalogs:.po=.mo)
-	rm -f *.pyc
 	rm -f $(dist_archive)
 
 dist: clean
diff --git a/VERSION b/VERSION
index 61acab0..eadcafc 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-VERSION=0.3
+VERSION=0.4
diff --git a/po/it.po b/po/it.po
index e3d20e5..85a2174 100644
--- a/po/it.po
+++ b/po/it.po
@@ -91,3 +91,9 @@ msgstr "Processo di installazione avviato"
 
 msgid "Installation process completed"
 msgstr "Installazione terminata correttamente"
+
+msgid "Installation aborted"
+msgstr "L'installazione è stata annullata"
+
+msgid "Are you sure to abort?"
+msgstr "Sei sicuro di voler annullare l'installazione?"
diff --git a/src/gui.py b/src/gui.py
deleted file mode 100644
index d52b8f4..0000000
--- a/src/gui.py
+++ /dev/null
@@ -1,162 +0,0 @@
-# -*- coding: utf-8 -*-
-
-# Form implementation generated from reading ui file 'usbinstall.ui'
-#
-# Created: Fri Oct 14 18:57:57 2011
-#      by: PyQt4 UI code generator 4.8.3
-#
-# WARNING! All changes made in this file will be lost!
-
-from PyQt4 import QtCore, QtGui
-
-try:
-    _fromUtf8 = QtCore.QString.fromUtf8
-except AttributeError:
-    _fromUtf8 = lambda s: s
-
-class Ui_MainWindow(object):
-    def setupUi(self, MainWindow):
-
-
-	# Percorsi delle immagini del form (da scommentare le vars. delle icone che si voglono usare)
-	#---GNOME---
-	img_help    = "/usr/share/icons/gnome/24x24/status/dialog-question.png"
-	img_fOpen   = "/usr/share/icons/gnome/32x32/actions/document-open.png"
-	img_refresh = "/usr/share/icons/gnome/24x24/actions/view-refresh.png"
-	window_icon = "/usr/share/icons/hicolor/32x32/apps/mamba.png"
-	
-	#---KDE--- (***Da testare***)
-	#img_help    = "/opt/kde/share/icons/oxygen/22x22/status/dialog-information.png"
-	#img_fOpen   = "/opt/kde/share/icons/oxygen/32x32/actions/document-open-folder.png"
-	#img_refresh = "/opt/kde/share/icons/oxygen/22x22/actions/view-refresh.png"
-	#window_icon = "/usr/share/icons/hicolor/32x32/apps/mamba.png"
-
-	# Codice per la finestra
-        MainWindow.setObjectName(_fromUtf8("MainWindow"))
-        MainWindow.resize(500, 405)
-	MainWindow.setWindowIcon(QtGui.QIcon(_fromUtf8(window_icon)))
-        MainWindow.setWindowTitle(_fromUtf8(""))
-        self.centralwidget = QtGui.QWidget(MainWindow)
-	self.centralwidget.setObjectName(_fromUtf8("centralwidget"))
-        
-        # Immagine di sfondo
-        self.i_back = QtGui.QLabel(self.centralwidget)
-        self.i_back.setGeometry(QtCore.QRect(10, 10, 480, 300))
-        self.i_back.setText(_fromUtf8(""))
-        self.i_back.setObjectName(_fromUtf8("i_back"))
-        
-        # Label della descrizione
-        self.l_descrizione = QtGui.QLabel(self.centralwidget)
-        self.l_descrizione.setGeometry(QtCore.QRect(10, 317, 251, 31))
-        self.l_descrizione.setText(_fromUtf8(""))
-        self.l_descrizione.setObjectName(_fromUtf8("l_descrizione"))
-        
-        # Linea orizzontale di separazione
-        self.line = QtGui.QFrame(self.centralwidget)
-        self.line.setGeometry(QtCore.QRect(10, 350, 481, 20))
-        self.line.setFrameShape(QtGui.QFrame.HLine)
-        self.line.setFrameShadow(QtGui.QFrame.Sunken)
-        self.line.setObjectName(_fromUtf8("line"))
-        
-        # Bottone Avanti
-        self.b_avanti = QtGui.QPushButton(self.centralwidget)
-        self.b_avanti.setGeometry(QtCore.QRect(400, 370, 90, 29))
-        self.b_avanti.setObjectName(_fromUtf8("b_avanti"))
-        
-        # Bottone Indietro
-        self.b_indietro = QtGui.QPushButton(self.centralwidget)
-        self.b_indietro.setGeometry(QtCore.QRect(300, 370, 90, 29))
-        self.b_indietro.setText(_fromUtf8(""))
-        self.b_indietro.setObjectName(_fromUtf8("b_indietro"))
-        
-        # Bottone di help
-        self.b_help = QtGui.QPushButton(self.centralwidget)
-        self.b_help.setGeometry(QtCore.QRect(464, 320, 26, 26))
-        self.b_help.setText(_fromUtf8(""))
-        icon = QtGui.QIcon()
-        icon.addPixmap(QtGui.QPixmap(_fromUtf8(img_help)), QtGui.QIcon.Normal, QtGui.QIcon.Off)
-        self.b_help.setIcon(icon)
-        self.b_help.setIconSize(QtCore.QSize(24, 24))
-        self.b_help.setFlat(True)
-        self.b_help.setObjectName(_fromUtf8("b_help"))
-        
-        # Casella di testo con il percorso del file scelto
-        self.t_file = QtGui.QLineEdit(self.centralwidget)
-        self.t_file.setGeometry(QtCore.QRect(212, 321, 222, 25))
-        self.t_file.setObjectName(_fromUtf8("t_file"))
-        
-        # Immagine che rende piu lunga la casella di testo
-        self.pach1 = QtGui.QLabel(self.centralwidget)
-        self.pach1.setGeometry(QtCore.QRect(430, 320, 32, 27))
-        self.pach1.setText(_fromUtf8(""))
-        self.pach1.setPixmap(QtGui.QPixmap(_fromUtf8("/usr/share/openmamba/usbinstall/img/pach1.png")))
-        self.pach1.setObjectName(_fromUtf8("pach1"))
-        
-        # Bottone sopra la parte della finta casella di testo
-        self.b_apri_file = QtGui.QPushButton(self.centralwidget)
-        self.b_apri_file.setGeometry(QtCore.QRect(431, 320, 31, 27))
-        self.b_apri_file.setText(_fromUtf8(""))
-        icon1 = QtGui.QIcon()
-        icon1.addPixmap(QtGui.QPixmap(_fromUtf8(img_fOpen)), QtGui.QIcon.Normal, QtGui.QIcon.Off)
-        self.b_apri_file.setIcon(icon1)
-        self.b_apri_file.setFlat(True)
-        self.b_apri_file.setObjectName(_fromUtf8("b_apri_file"))
-        
-        # Immagine del fumetto
-        self.n_img = QtGui.QLabel(self.centralwidget)
-        self.n_img.setGeometry(QtCore.QRect(289, 200, 211, 121))
-        self.n_img.setText(_fromUtf8(""))
-        self.n_img.setPixmap(QtGui.QPixmap(_fromUtf8("/usr/share/openmamba/usbinstall/img/nuvola.png")))
-        self.n_img.setObjectName(_fromUtf8("n_img"))
-        self.n_img.hide()
-        
-        # Testo del fumetto
-        self.n_testo = QtGui.QLabel(self.centralwidget)
-        self.n_testo.setGeometry(QtCore.QRect(298, 200, 181, 101))
-        self.n_testo.setText(_fromUtf8(""))
-        self.n_testo.setOpenExternalLinks(True)
-        self.n_testo.setWordWrap(True)
-        self.n_testo.setObjectName(_fromUtf8("n_testo"))
-        self.n_testo.hide()
-        
-        # Croce del fumetto
-        self.n_chiudi = QtGui.QPushButton(self.centralwidget)
-        self.n_chiudi.setGeometry(QtCore.QRect(471, 202, 14, 14))
-        self.n_chiudi.setText(_fromUtf8(""))
-        icon1 = QtGui.QIcon()
-        icon1.addPixmap(QtGui.QPixmap(_fromUtf8("/usr/share/openmamba/usbinstall/img/exit.png")), QtGui.QIcon.Normal, QtGui.QIcon.Off)
-        self.n_chiudi.setIcon(icon1)
-        self.n_chiudi.setFlat(True)
-        self.n_chiudi.hide()
-        
-        # Bottone del refresh della lista usb
-        self.b_refresh = QtGui.QPushButton(self.centralwidget)
-        self.b_refresh.setGeometry(QtCore.QRect(435, 320, 26, 26))
-        self.b_refresh.setText(_fromUtf8(""))
-        icon2 = QtGui.QIcon()
-        icon2.addPixmap(QtGui.QPixmap(_fromUtf8(img_refresh)), QtGui.QIcon.Normal, QtGui.QIcon.Off)
-        self.b_refresh.setIcon(icon2)
-        self.b_refresh.setIconSize(QtCore.QSize(24, 24))
-        self.b_refresh.setFlat(True)
-        self.b_refresh.setObjectName(_fromUtf8("pushButton_5"))
-        
-        # comboBox con la lista delle periferiche usb
-        self.l_usb = QtGui.QComboBox(self.centralwidget)
-        self.l_usb.setEnabled(True)
-        self.l_usb.setGeometry(QtCore.QRect(158, 320, 271, 25))
-        self.l_usb.setEditable(False)
-        self.l_usb.setObjectName(_fromUtf8("comboBox"))
-        
-        #inizializza la progressbar
-        self.p_installazione = QtGui.QProgressBar(self.centralwidget)
-        self.p_installazione.setGeometry(QtCore.QRect(10, 354, 480, 36))
-        self.p_installazione.setProperty("value", 0)
-        self.p_installazione.setObjectName("progressBar")
-        self.p_installazione.hide()
-        
-        self.retranslateUi(MainWindow)
-        QtCore.QMetaObject.connectSlotsByName(MainWindow)
-
-    def retranslateUi(self, MainWindow):
-        self.b_avanti.setText(QtGui.QApplication.translate("MainWindow", "Avanti", None, QtGui.QApplication.UnicodeUTF8))
-
diff --git a/src/usbinstall.py b/src/usbinstall.py
index 509c270..b1787db 100644
--- a/src/usbinstall.py
+++ b/src/usbinstall.py
@@ -1,321 +1,428 @@
 # -*- coding: utf-8 -*-
 #!/usr/bin/env python
 
-from gui import * 	# Importa la parte grafica
+# Copyright 2011 michiamophil (openmamba user :-)
+# ChangeLog:
+#	(michiamophil on 11/11/11) Rewrited all the graphic code and removed gui.py
 
-import gettext      
 
+from PyQt4 import QtGui, QtCore
 from subprocess import Popen
-# La parte di dbus
+import gettext	# To translate
 import gobject
 import dbus
 import dbus.service
 from dbus.mainloop.glib import DBusGMainLoop
 if getattr(dbus, 'version', (0,0,0)) >= (0,41,0):
         import dbus.glib
-        
-gettext.install('usbinstall', '/usr/share/locale', unicode=1)
-
-# Variabili globali
-passo = 1
-p = "" # Processo del file .sh
-ext 	  = ""	# Vedi apri_file()
-path_Boot = ""	# Percorso file.cpio.gz
-path_Iso  = ""	# Percorso file.iso
-sel_usb_file= ""# Chiavetta per l'installazione (file)
-sel_usb_nome= ""# Modello
-usb_file  = []	# Lista chiavette disponibili
-usb_nome  = []	# Rispettivi modelli
 
 
-## Assegna gli eventi agli oggetti del form
-def assegna_eventi():
-	app.connect(ui.b_avanti, QtCore.SIGNAL('clicked()'), avanti)
-	app.connect(ui.b_indietro, QtCore.SIGNAL('clicked()'), indietro)
-	app.connect(ui.b_apri_file, QtCore.SIGNAL('clicked()'), apri_file)
-	app.connect(ui.b_help, QtCore.SIGNAL('clicked()'), gestisci_nuvola)
-	app.connect(ui.n_chiudi, QtCore.SIGNAL('clicked()'), chiudi_nuvola)
-	app.connect(ui.b_refresh, QtCore.SIGNAL('clicked()'), lista_usb)
-	app.connect(ui.l_usb, QtCore.SIGNAL("activated(int)"), seleziona_usb)
+#=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~
+#1)-------------------------------(VARIABILI)----------------------------------------
+#=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~
+# Icons
+img_help    = "/usr/share/icons/gnome/24x24/status/dialog-question.png"
+img_fOpen   = "/usr/share/icons/gnome/32x32/actions/document-open.png"
+img_refresh = "/usr/share/icons/gnome/24x24/actions/view-refresh.png"
+img_pach1   = "/usr/share/openmamba/usbinstall/img/pach1.png"
+img_cloud   = "/usr/share/openmamba/usbinstall/img/nuvola.png"
+img_exit    = "/usr/share/openmamba/usbinstall/img/exit.png"
+window_icon = "/usr/share/icons/hicolor/32x32/apps/mamba.png"
+# Global path
+path_cpio   = ""
+path_iso    = ""
+path_dev    = ""
+# General vars
+dev_model   = ""
+a_path_dev  = []	# Array of choosen devices
+a_dev_model = []	# Their models.
+step 		= 1
+choose_type = ""	# Type of dialog in choose_file()
+#1)###############################(VARIABILI)########################################
 
 
-## Gestione del bottone b_avanti
-def avanti():
-	# Prima controlla che tutto sia a posto per passare al passo successivo
-	global passo, path_Boot, path_Iso, sel_usb_file, sel_usb_nome
-	
-	if passo == 1:
-		if path_Boot == "":
+
+
+#=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~
+#2)-------------------------------(WINDOW CODE)--------------------------------------
+#=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~
+# Contains program's graphic
+class create_window(QtGui.QDialog):
+	# Call when is called create_window()
+	def __init__(self):
+		super(create_window, self).__init__()	# Register eventClose()
+		self.add_elements()
+
+	# Write window and objects
+	def add_elements(self):
+		# Window proprieties
+		self.resize(500, 405)
+		self.setWindowIcon(QtGui.QIcon(window_icon))
+		# Background image
+		self.i_back = QtGui.QLabel(self)
+		self.i_back.setGeometry(QtCore.QRect(10, 10, 480, 300))
+		# Description label
+		self.l_descr = QtGui.QLabel(self)
+		self.l_descr.setGeometry(QtCore.QRect(10, 317, 251, 31))
+		# Orizontal line
+		self.line = QtGui.QFrame(self)
+		self.line.setGeometry(QtCore.QRect(10, 350, 481, 20))
+		self.line.setFrameShape(QtGui.QFrame.HLine)
+		self.line.setFrameShadow(QtGui.QFrame.Sunken)
+		# "Next" button
+		self.b_next = QtGui.QPushButton(self)
+		self.b_next.setGeometry(QtCore.QRect(400, 370, 90, 29))
+		self.b_next.setText(_("Go on"))
+		# "Go Back" button
+		self.b_back = QtGui.QPushButton(self)
+		self.b_back.setGeometry(QtCore.QRect(300, 370, 90, 29))
+		# "Help" button
+		self.b_help = QtGui.QPushButton(QtGui.QIcon(img_help), "", self)
+		self.b_help.setGeometry(QtCore.QRect(464, 320, 26, 26))
+		self.b_help.setIconSize(QtCore.QSize(24, 24))
+		self.b_help.setFlat(True)
+		# Path line edit
+		self.t_file = QtGui.QLineEdit(self)
+		self.t_file.setGeometry(QtCore.QRect(212, 321, 222, 25))
+		# Pach line edit
+		self.pach1 = QtGui.QLabel(self)
+		self.pach1.setGeometry(QtCore.QRect(430, 320, 32, 27))
+		self.pach1.setPixmap(QtGui.QPixmap(img_pach1))
+		# Open file button
+		self.b_open_file = QtGui.QPushButton(QtGui.QIcon(img_fOpen), "", self)
+		self.b_open_file.setGeometry(QtCore.QRect(431, 320, 31, 27))
+		self.b_open_file.setFlat(True)
+		# Help dialog image
+		self.i_cloud = QtGui.QLabel(self)
+		self.i_cloud.setGeometry(QtCore.QRect(289, 200, 211, 121))
+		self.i_cloud.setPixmap(QtGui.QPixmap(img_cloud))
+		self.i_cloud.hide()
+		# Help dialog text
+		self.l_cloud = QtGui.QLabel(self)
+		self.l_cloud.setGeometry(QtCore.QRect(298, 200, 181, 101))
+		self.l_cloud.setOpenExternalLinks(True)
+		self.l_cloud.setWordWrap(True)
+		self.l_cloud.hide()
+		# Help dialog exit
+		self.b_cloud = QtGui.QPushButton(QtGui.QIcon(img_exit), "", self)
+		self.b_cloud.setGeometry(QtCore.QRect(471, 202, 14, 14))
+		self.b_cloud.setFlat(True)
+		self.b_cloud.hide()
+		# Refresh button
+		self.b_refresh = QtGui.QPushButton(QtGui.QIcon(img_refresh), "", self)
+		self.b_refresh.setGeometry(QtCore.QRect(435, 320, 26, 26))
+		self.b_refresh.setIconSize(QtCore.QSize(24, 24))
+		self.b_refresh.setFlat(True)
+		# List of usb (combobox)
+		self.c_usb = QtGui.QComboBox(self)
+		self.c_usb.setGeometry(QtCore.QRect(158, 320, 271, 25))
+		# Progressbar
+		self.p_install = QtGui.QProgressBar(self)
+		self.p_install.setGeometry(QtCore.QRect(10, 354, 480, 36))
+		self.p_install.hide()
+		# Show the window
+		self.show()
+
+	# Intercept close event
+	def closeEvent(self, event):
+		end_forced(event)
+#2)###############################(WINDOW CODE)######################################
+
+
+
+
+
+#=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~
+#3)-----------------------------(EVENTS HANDLER)-------------------------------------
+#=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~
+def add_events():
+	app.connect(window.b_next,      QtCore.SIGNAL('clicked()'), go_on)			# Event n°1
+	app.connect(window.b_back,      QtCore.SIGNAL('clicked()'), go_back)		# Event n°2
+	app.connect(window.b_open_file, QtCore.SIGNAL('clicked()'), choose_file)	# Event n°3
+	app.connect(window.b_help,      QtCore.SIGNAL('clicked()'), manage_cloud)	# Event n°4
+	app.connect(window.b_cloud,     QtCore.SIGNAL('clicked()'), close_cloud)	# Event n°5
+	app.connect(window.b_refresh,   QtCore.SIGNAL('clicked()'), get_list)		# Event n°6
+	app.connect(window.c_usb,       QtCore.SIGNAL("activated(int)"), set_usb)	# Event n°7
+
+# Event n°1
+def go_on():
+	global step, path_cpio, path_iso, path_dev, dev_model
+	cloud_hide()
+	# Step n°1 to n°2
+	if step == 1:
+		if path_cpio == "":
 			msg_warn(_("A file .cpio is required"))
 			return
 		else:
-			passo += 1
-			passo2()
-			
-	elif passo == 2:
-		if path_Iso == "":
+			step += 1
+			step2()
+	# Step n°2 to n°3
+	elif step == 2:
+		if path_iso == "":
 			msg_warn(_("An openmamba's iso is required"))
 			return
 		else:
-			passo += 1
-			passo3()
-	
-	elif passo == 3:
-		if sel_usb_file == "":
+			step += 1
+			step3()
+	# Step n°3 to n°4
+	elif step == 3:
+		if path_dev == "":
 			msg_warn(_("You must choose a usb key"))
 			return
 		else:
-			msg = QtGui.QMessageBox.question(None, _("Attention"), _("All data on the key ") + sel_usb_nome + _(" will be lost. \n")+_("Are you sure to continue?"), 
-				QtGui.QMessageBox.Yes | QtGui.QMessageBox.No, QtGui.QMessageBox.Yes)
-			# Continua solo se l'utente preme il bottone Yes
+			msg = QtGui.QMessageBox.question(window, _("Attention"), _("All data on the key ") + dev_model + _(" will be lost. \n")+ _("Are you sure to continue?"), 
+				QtGui.QMessageBox.Yes | QtGui.QMessageBox.No, QtGui.QMessageBox.No)
+			# Go on only if was pressed yes button
 			if msg == QtGui.QMessageBox.Yes:
-				passo += 1
-				passo4()
+				step += 1
+				step4()
 			else:
 				return
 
-	
-	
-## Gestione del bottone b_indietro		
-def indietro():
-	global passo
-	passo -= 1
-	
-	if passo == 0:
+# Event n°2
+def go_back():
+	global step
+	step -= 1
+	cloud_hide()
+	obj_chang_hide()
+	# Step n°1 to n°0 -> exit
+	if step == 0:
 		app.exit(1)
 		print _("Application terminated by pressing \"cancel\" button")
-		
-	elif passo == 1:
-		passo1()
-		
-	elif passo == 2:
-		passo2()
-		
-	elif passo == 3:
-		passo3()
-	
-	
-## Dialogo in cui si scegle i file per l'installazione
-## Inoltre setta le variabili path_Boot e path_Iso e aggiorna la casella di testo con il percorso
-def apri_file():
-	global path_Boot, path_Iso, ext
-	if ext == "boot":
-		fileType = QtCore.QString("cpio *.cpio.gz")
-		nfileName = QtGui.QFileDialog.getOpenFileName(None, _("Choose the boot file"), "~", "File .cpio.gz (*.cpio.gz)",  fileType)
-		path_Boot = nfileName
-		ui.t_file.setText(QtGui.QApplication.translate("Dialog", nfileName, None, QtGui.QApplication.UnicodeUTF8))
-	elif ext == "iso":
-		fileType = QtCore.QString("iso *.iso")
-		nfileName = QtGui.QFileDialog.getOpenFileName(None, _("Choose the iso file"), "~", "File .iso (*.iso)",  fileType) #26/10 path_Boot -> "~"
-		path_Iso = nfileName
-		ui.t_file.setText(QtGui.QApplication.translate("Dialog", nfileName, None, QtGui.QApplication.UnicodeUTF8))
+	# Step n°2 to n°1
+	elif step == 1:
+		step1()
+	# Step n°3 to n°2
+	elif step == 2:
+		step2()
+	#~ NON SONO SICURO SERVA (DA TESTARE)
+	# Step n°4 to n°3
+	elif step == 3:
+		step3()
 
+# Event n°3
+def choose_file():
+	global path_cpio, path_iso, choose_type
+	# If step in n°1
+	if choose_type == "boot":
+		nfileName = QtGui.QFileDialog.getOpenFileName(window, _("Choose the boot file"), "/home", "File .cpio.gz (*.cpio.gz)", "cpio *.cpio.gz")
+		path_cpio = nfileName
+		window.t_file.setText(nfileName)
+	# Else if step is n°2
+	elif choose_type == "iso":
+		nfileName = QtGui.QFileDialog.getOpenFileName(window, _("Choose the iso file"), "/home", "File .iso (*.iso)", "iso *.iso")
+		path_iso = nfileName
+		window.t_file.setText(nfileName)
 
-## Visualizza l'aiuto
-def gestisci_nuvola():
-	global passo
-	# Aiuto in base al passo corrente
-	if passo == 1:
+# Event n°4
+def manage_cloud():
+	global step
+	if step == 1:
 		aiuto = _("This archive is designed to make the usb bootable.") + _(" You can find this file <a style=\"color: green; \"href=\"http://www.openmamba.org/distribution/media/bootusb.html?lang=en\">here</a>") 
-		# Cambiata anche la lingua della pagina (lang=en) 
-	elif passo == 2:
+	elif step == 2:
 		aiuto = _("The file .iso contains the operating system. You can download it from <a style=\"color: green; \"href=\"http://www.openmamba.org/distribution/download.html?lang=en\">here</a>")
-	elif passo == 3:
+	elif step == 3:
 		aiuto = _("Choose an usb key for the installation.                    <span style=\"color:red;\">All data will be lost</span>")
-	ui.n_testo.setText(QtGui.QApplication.translate("Dialog", aiuto, None, QtGui.QApplication.UnicodeUTF8))
-	ui.n_img.show() # Immagine della nuvola
-	ui.n_testo.show() # Testo della nuvola
-	ui.n_chiudi.show()
+	window.l_cloud.setText(aiuto)
+	cloud_show()
 
-## Nasconde la nuvola
-def chiudi_nuvola():
-	ui.n_img.hide() 
-	ui.n_testo.hide()
-	ui.n_chiudi.hide()
+# Event n°5
+def close_cloud():
+	cloud_hide()
 
-## Lista periferiche usb e le aggiuge alla lista (widget)
-def lista_usb():
-	import dbus
-	global usb_file, usb_nome
+# Event n°6 
+def get_list():
+	global a_path_dev, a_dev_model
 	
-	# Cancella i valori precedenti
-	usb_file  = []	
-	usb_nome  = []	
-	ui.l_usb.clear()
+	# Clear array and comboBox
+	a_path_dev  = []
+	a_dev_model = []
+	window.c_usb.clear()
 	i = 0
 	
-	# Riceve da dbus le chiavette collegate al pc
+	# Get list form dbus
 	bus = dbus.SystemBus()
 	ud_manager_obj = bus.get_object('org.freedesktop.UDisks', '/org/freedesktop/UDisks')
 	ud_manager = dbus.Interface(ud_manager_obj, 'org.freedesktop.UDisks')
 	for dev in ud_manager.EnumerateDevices():
 		device_obj = bus.get_object('org.freedesktop.UDisks', dev)
 		device_props = dbus.Interface(device_obj, dbus.PROPERTIES_IFACE)
-		# Se lo spazio e' minore di 1GB salta l'usb corrente
+		# If dev.space > 1 Gb
 		if(device_props.Get('org.freedesktop.UDisks.Device', 'PartitionSize')) > 1073741823:
-			# Se e' un device rimuovibile (== chiavetta usb)
+			# If dev is removable
 			if(device_props.Get('org.freedesktop.UDisks.Device', 'DeviceIsRemovable')):
-				usb_file.append(device_props.Get('org.freedesktop.UDisks.Device', 'DeviceFile'))
-				usb_nome.append(device_props.Get('org.freedesktop.UDisks.Device', 'DriveModel'))
-				ui.l_usb.addItem(usb_file[i] + " " + usb_nome[i])
+				# Populate the arrays
+				a_path_dev.append(device_props.Get('org.freedesktop.UDisks.Device', 'DeviceFile'))
+				a_dev_model.append(device_props.Get('org.freedesktop.UDisks.Device', 'DriveModel'))
+				# And add element to comboBox
+				window.c_usb.addItem(a_path_dev[i] + " " + a_dev_model[i])
 				i += 1
-				
-	# Imposta il primo come quello di default
-	if len(usb_file) != 0:			
-		seleziona_usb(0)
+
+	# First dev is default
+	if len(a_path_dev) != 0:
+		set_usb(0)
 	else:
 		print _("No usb available > 1 Gb")
-			
-			
-## Abbreviazione di un warning
-def msg_warn(testo):
-	msg = QtGui.QMessageBox.warning(None, _("Attention"), testo)	
 
-## Aggiorna gli oggetti al cambio del passo
-def aggiorna_oggetti(immagine, titolo, descrizione):
-	# Funzioni che servono solo qua dentro
-	def nascondi_oggetti():
-		ui.l_usb.hide()
-		ui.b_refresh.hide()
-		ui.t_file.hide()
-		ui.pach1.hide()
-		ui.b_apri_file.hide()
-		
-	def visualizza_lista_usb():
-		ui.l_usb.show()
-		ui.b_refresh.show()
-		
-	def visualizza_scegli_file():
-		ui.t_file.show()
-		ui.pach1.show()
-		ui.b_apri_file.show()
-	
-	global passo, ext, path_Boot, path_Iso
-	
-	nascondi_oggetti()
-	if passo == 1:
-		ext   = "boot"
-		path_Boot = ""
-		ui.b_indietro.setText(QtGui.QApplication.translate("Dialog", _("Cancel"), None, QtGui.QApplication.UnicodeUTF8))
-		# Visualizzo gli oggetti del passo 1
-		visualizza_scegli_file()
-		# Chiudi la nuovola dell'help al cambio di passo
-		chiudi_nuvola()		
-	elif passo == 2:
-		ext   = "iso"
-		path_Iso = ""
-		ui.b_indietro.setText(QtGui.QApplication.translate("Dialog", _("Go back"), None, QtGui.QApplication.UnicodeUTF8))
-		visualizza_scegli_file()
-		# Chiudi la nuovola dell'help al cambio di passo
-		chiudi_nuvola()
-	elif passo == 3:
-		visualizza_lista_usb()
-		lista_usb()
-		# Chiudi la nuovola dell'help al cambio di passo
-		chiudi_nuvola()
-	elif passo == 4:
-		chiudi_nuvola()
-	ui.t_file.setText(QtGui.QApplication.translate("Dialog", "", None, QtGui.QApplication.UnicodeUTF8))  		
-	ui.i_back.setPixmap(QtGui.QPixmap(immagine))
-	Dialog.setWindowTitle(QtGui.QApplication.translate("Dialog", titolo, None, QtGui.QApplication.UnicodeUTF8))
-	ui.l_descrizione.setText(QtGui.QApplication.translate("Dialog", descrizione, None, QtGui.QApplication.UnicodeUTF8))
-	
-	
-
-## Setta la variabili globali sel_usb_* con l'usb scelto
-def seleziona_usb(i):
-	global sel_usb_file, usb_file, sel_usb_nome, usb_nome
-	sel_usb_file = usb_file[i]
-	sel_usb_nome = usb_nome[i]
-	
+# Event n°7
+def set_usb(i):
+	global path_dev, dev_model, a_path_dev, a_dev_model
+	path_dev  = a_path_dev[i]
+	dev_model = a_dev_model[i]
+#3)#############################(EVENTS HANDLER)#####################################
 
 
-### Inizio dei vari passi
 
+#=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~
+#4)-------------------------------(DBUS CODE)----------------------------------------
+#=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~
+# Class for dbus_start()
+class set_dbus(dbus.service.Object):
+	def __init__(self, bus_name, object_path='/org/openmamba/usbinstall'):
+		dbus.service.Object.__init__(self, bus_name, object_path)
 
-def passo1():
-	ui.b_avanti.setText(QtGui.QApplication.translate("Dialog", _("Go on"), None, QtGui.QApplication.UnicodeUTF8))
-	aggiorna_oggetti("/usr/share/openmamba/usbinstall/img/back1.png", _("Step 1/4 - choice of boot file"), _("Choose the .cpio file"))	
-	
-def passo2():
-	aggiorna_oggetti("/usr/share/openmamba/usbinstall/img/back2.png", _("Step 2/4 - choice of iso file"), _("Choose the openmamba .iso file"))	
-	
-def passo3():
-	aggiorna_oggetti("/usr/share/openmamba/usbinstall/img/back3.png", _("Step 3/4 - choice of usb key"), _("Choose the usb key"))	
-	
+	@dbus.service.method('org.openmamba.usbinstall')
+	def Set_progressBar(self, p):
+		window.p_install.setProperty("value", int(p))
+		if p == 100:
+			end_with_success()
+		return 0
 
-	
-def passo4():
-	global p
-	aggiorna_oggetti("/usr/share/openmamba/usbinstall/img/back4.png", _("Step 4/4 - installation of openmamba to usb"), _("Installation in progress..."))	
-	
-	# Nasconde gli oggetti superflui:
-	ui.b_help.hide()
-	ui.line.hide()
-	ui.b_indietro.hide()
-	ui.b_avanti.hide()
-	# Mostra la progressBar
-	ui.p_installazione.show()
-	init_ascolto()					
-	p = Popen(["./usbinstall.sh", "start", sel_usb_file, path_Boot, path_Iso])
-	print _("Installation process started")
+	@dbus.service.method('org.openmamba.usbinstall')
+	def Set_description(self, descr):
+		window.l_descr.setText(descr)
+		return 0
 
-	
-def init_ascolto():
+def dbus_start():
 	session_bus = dbus.SessionBus()
 	bus_name = dbus.service.BusName('org.openmamba.usbinstall', bus=session_bus)
-	dbus_loop = setta_dbus(bus_name)
+	dbus_loop = set_dbus(bus_name)
 	bus = dbus.SessionBus(mainloop=dbus_loop)
+#4)###############################(DBUS CODE)########################################
 
 
 
-class setta_dbus(dbus.service.Object):
-    def __init__(self, bus_name, object_path='/org/openmamba/usbinstall'):
-        dbus.service.Object.__init__(self, bus_name, object_path)
-    
-    @dbus.service.method('org.openmamba.usbinstall')
-    def Pbar_aggiorna(self, p):
-	ui.p_installazione.setProperty("value", int(p))
-        if p == 100:
-		installazione_terminata()
-	return 0
 
-    @dbus.service.method('org.openmamba.usbinstall')
-    def Descrizione(self, desc):
-	ui.l_descrizione.setText(QtGui.QApplication.translate("Dialog",desc, None, QtGui.QApplication.UnicodeUTF8))
-        return 0
+#=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~
+#5)------------------------------(PROGRAM CODE)--------------------------------------
+#=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~
+# Show all cloud objects
+def cloud_show():
+	window.i_cloud.show()
+	window.b_cloud.show()
+	window.l_cloud.show()
 
-    @dbus.service.method('org.openmamba.usbinstall')
-    def Esci(self):
+# Hide all cloud objects
+def cloud_hide():
+	window.i_cloud.hide()
+	window.b_cloud.hide()
+	window.l_cloud.hide()
+
+#  Warning dialog abbreviation
+def msg_warn(txt):
+	msg = QtGui.QMessageBox.warning(window, _("Attention"), txt)
+
+# Called when b_next was pressed
+def set_objs(i_back, title, descr):
+	
+	window.i_back.setPixmap(QtGui.QPixmap(i_back))
+	window.setWindowTitle(title)
+	window.l_descr.setText(descr)
+
+
+def step1():
+	global choose_type, path_cpio
+	choose_type = "boot"
+	path_cpio   = ""
+	window.t_file.setText(path_cpio)	# Clean path box
+	window.b_back.setText(_("Cancel"))
+	set_objs("/usr/share/openmamba/usbinstall/img/back1.png", _("Step 1/4 - choice of boot file"), _("Choose the .cpio file"))
+	obj_chang_hide()
+	list_obj1()	# Show a set of object
+
+def step2():
+	global choose_type, path_iso
+	choose_type = "iso"
+	path_iso    = ""
+	window.t_file.setText(path_iso)	# Clean path box
+	window.b_back.setText(_("Go back"))
+	set_objs("/usr/share/openmamba/usbinstall/img/back2.png", _("Step 2/4 - choice of iso file"), _("Choose the openmamba .iso file"))
+	obj_chang_hide()
+	list_obj1()	# Show a set of object
+
+def step3():
+	set_objs("/usr/share/openmamba/usbinstall/img/back3.png", _("Step 3/4 - choice of usb key"), _("Choose the usb key"))
+	obj_chang_hide()
+	list_obj2()
+	get_list()	# Get available devices
+
+def step4():
+	global process_sh
+	set_objs("/usr/share/openmamba/usbinstall/img/back4.png", _("Step 4/4 - installation of openmamba to usb"), _("Installation in progress..."))
+	# Hide all unnecessary objects
+	obj_chang_hide()
+	window.b_help.hide()
+	window.line.hide()
+	window.b_back.hide()
+	window.b_next.hide()
+	# Show the progressBar
+	window.p_install.show()
+	dbus_start()
+	process_sh = Popen(["/usr/bin/usbinstall.sh", "start", path_dev, path_cpio, path_iso])
+
+
+# Show a list of object (step 1 and 2)
+def list_obj1():
+	window.t_file.show()
+	window.pach1.show()
+	window.b_open_file.show()
+
+# Show a list of object (step 3)
+def list_obj2():
+	window.c_usb.show()
+	window.b_refresh.show()
+
+# Hide all object that when b_next or b_back was pressed are changing
+def obj_chang_hide():
+	window.t_file.hide()
+	window.pach1.hide()
+	window.b_open_file.hide()
+	window.c_usb.hide()
+	window.b_refresh.hide()
+
+def end_with_success():
+	global process_sh, mainloop
+	msg = QtGui.QMessageBox.information(window, _("Information"), _("Installation process completed"))
+	process_sh.terminate()
 	mainloop.quit()
 	app.exit(0)
+	print _("Installation process completed")
 
-# Termina lo scipt e dbus insieme alla finestra
-def closeEvent(form, event):
-	installazione_terminata()
+def end_forced(event):
+	global process_sh, mainloop
+	msg = QtGui.QMessageBox.question(window, _("Attention"), _("Are you sure to abort?"), QtGui.QMessageBox.Yes | QtGui.QMessageBox.No, QtGui.QMessageBox.No)
+	# Exit if was pressed yes button
+	if msg == QtGui.QMessageBox.Yes:
+		process_sh.kill()
+		mainloop.quit()
+		print _("Installation aborted")
+		app.exit(1)
+	else:
+		event.ignore()
 
-
-def installazione_terminata():
-	global p
-	msg = QtGui.QMessageBox.information(None, _("Information"), _("Installation process completed"))
-	p.terminate()
-	mainloop.quit()
-	app.exit(0)       
-
-# Inizializza la parte grafica
+# Program start
 app = QtGui.QApplication([])
-Dialog = QtGui.QDialog()
-ui = Ui_MainWindow()
-ui.setupUi(Dialog)
+gettext.install('usbinstall', '/usr/share/locale', unicode=1)
+window = create_window()
 mainloop = gobject.MainLoop()
 
 def run():
-	assegna_eventi()
-	passo1()	
-	Dialog.show() # Mostra il dialog precedentemente creato
+	add_events()
+	step1()
 	return app.exec_()
-	
 if __name__ == "__main__":
 	run()
-	
-	
+#5)##############################(PROGRAM CODE)######################################
+
+
+
diff --git a/src/usbinstall.sh b/src/usbinstall.sh
index 73fd5ce..033bcbe 100755
--- a/src/usbinstall.sh
+++ b/src/usbinstall.sh
@@ -28,8 +28,8 @@ inst_new_part()
 #3 Formatta la partizione (e la monta)
 inst_format()
 {
-	
-	sudo mkfs.ext3 ${1}1 -L openmamba_live
+	#add_progress	5	29	1 &
+	sudo mkfs.ext3 ${1}1 -L openmamba_live 
 	mkdir -p ~/tmpmamba
 	sudo mount ${1}1 ~/tmpmamba
 	sudo chmod 777 ~/tmpmamba
@@ -70,28 +70,31 @@ inst_copy_iso()
 #7 Smonta la chiavetta
 inst_dir_umount()
 {
-	# So it attend up to umount return without errors
-	
-	while [ 1 ] ; do
-		sudo umount ${1}
-		if [ $? != 1 ]; then
-			break
-		fi
-	done
+	sleep 5
+	sudo umount ${1}1
 	echo "Done"
-	rmdir ~/tmpmamba
 }
 
+# $1 begin value; $2 max value; $3 sleep time;
+#add_progress()
+#{
+#	while [ $1 <= $2 ] ; do
+#	$1 += 1
+#	dbus-send --print-reply --session --dest=org.openmamba.usbinstall /org/openmamba/usbinstall org.openmamba.usbinstall.Set_progressBar int32:$1
+#	sleep $3
+#	done
+
+#}
+
 # Aggiorna la progressbar $1 == %
 pbar()
 {
-	dbus-send --print-reply --session --dest=org.openmamba.usbinstall /org/openmamba/usbinstall org.openmamba.usbinstall.Pbar_aggiorna int32:$1
+	dbus-send --print-reply --session --dest=org.openmamba.usbinstall /org/openmamba/usbinstall org.openmamba.usbinstall.Set_progressBar int32:$1
 }
 
 descrizione()
 {
-	
-	dbus-send --print-reply --session --dest=org.openmamba.usbinstall /org/openmamba/usbinstall org.openmamba.usbinstall.Descrizione "string:$1"
+	dbus-send --print-reply --session --dest=org.openmamba.usbinstall /org/openmamba/usbinstall org.openmamba.usbinstall.Set_description "string:$1"
 }
 
 
@@ -104,7 +107,7 @@ if   [ $1 == "start" ]; then
 	inst_new_part	$2
 	pbar 5
 	inst_format	$2
-	pbar 20
+	pbar 30
 
 	descrizione "Estrazione del file di boot in corso..."
 	inst_extr_boot	$3
@@ -121,9 +124,8 @@ if   [ $1 == "start" ]; then
 	descrizione "Smonto la chiavetta"
 	inst_dir_umount	$2
 	pbar 100
-	
+
 
 else
 	echo $1 "Parametri non validi"
-	
 fi