feed.py 文件源码

def _build_toolbutton(self, name, icon,
                          on_signal=None, callback=None, tooltip_text=None):
        toolbutton = Gtk.ToolButton(name)
        # FIXME: Tooltip text does not appear on the screen
        if not tooltip_text:
            toolbutton.set_tooltip_text(name)
        else:
            toolbutton.set_tooltip_text(tooltip_text)
        toolbutton.set_icon_widget(icon)

        if on_signal and callback:
            toolbutton.connect(on_signal, callback)
        return toolbutton