Lock/Unlock dockwidgets and toolbars

def toggle_lock(self, value):
        """Lock/Unlock dockwidgets and toolbars"""
        self.interface_locked = value
        CONF.set('main', 'panes_locked', value)

        # Apply lock to panes
        for plugin in (self.widgetlist + self.thirdparty_plugins):
            if self.interface_locked:
                if plugin.dockwidget.isFloating():
                    plugin.dockwidget.setFloating(False)
                plugin.dockwidget.setTitleBarWidget(QWidget())
            else:
                plugin.dockwidget.set_title_bar()

        # Apply lock to toolbars
        for toolbar in self.toolbarslist:
            if self.interface_locked:
                toolbar.setMovable(False)
            else:
                toolbar.setMovable(True)