popup_label.py 文件源码

def __init__(self, **kwargs):
        super(PopupLabel, self).__init__(**kwargs)
        scroller = AppScrollView()
        lbl = Label(
            size_hint_y=None, text_size=(scroller.width, None), text=self.text)
        scroller.bind(size=self._update_text_size)
        lbl.bind(texture_size=self._update_text_widget_size)
        scroller.add_widget(lbl)
        self.content, self.lbl = scroller, lbl