Save current window settings with *prefix* in
        the userconfig-based configuration, under *section*

def save_current_window_settings(self, prefix, section='main',
                                     none_state=False):
        """Save current window settings with *prefix* in
        the userconfig-based configuration, under *section*"""
        win_size = self.window_size
        prefs_size = self.prefs_dialog_size

        CONF.set(section, prefix+'size', (win_size.width(), win_size.height()))
        CONF.set(section, prefix+'prefs_dialog_size',
                 (prefs_size.width(), prefs_size.height()))
        CONF.set(section, prefix+'is_maximized', self.isMaximized())
        CONF.set(section, prefix+'is_fullscreen', self.isFullScreen())
        pos = self.window_position
        CONF.set(section, prefix+'position', (pos.x(), pos.y()))
        self.maximize_dockwidget(restore=True)# Restore non-maximized layout
        if none_state:
            CONF.set(section, prefix + 'state', None)
        else:
            qba = self.saveState()
            CONF.set(section, prefix + 'state', qbytearray_to_str(qba))
        CONF.set(section, prefix+'statusbar',
                    not self.statusBar().isHidden())