self.setupUi(self)

        self.root = root if root else tempfile.mktemp(prefix='kusbff_')

        os.makedirs(self.root, exist_ok=True)

        self.devices_model = CustomListModel()

        self.devices_combobox.setModel(self.devices_model)

        self.refresh_disk_drives()

        self.tableView.setModel(self.table_model)

        self.refresh_image_list()

        self.action_refresh_devices.triggered.connect(self.refresh_disk_drives)

        self.devices_combobox.currentIndexChanged.connect(self.on_device_change)

        self.action_open_floppy.triggered.connect(self.open_directory)