feed.py 文件源码

def _switch_widget_icons(self, widget, icon_id):
        """
        Switch icon type version ``regular`` to ``activated`` or the other way
        around depending on ``widget`` current icon.

        :param widget: :class:`Gtk.ToolButton`
        :param icon_id: icon name as :class:`str`
        """
        icon = self.images.switch_icon_version(icon_id, widget.get_icon_widget())
        widget.set_icon_widget(icon)
        widget.show_all()