scrollbox.py 文件源码

def _create_up_down_button(self):
        gridlayout = GridLayout(rows=2, size_hint_x=0.2, spacing=20, padding=(10,10,10,10))
        button_up = Button(
                           background_normal="Icons/Up-arrow-grey.png",
                           background_down="Icons/Up-arrow-blue.png",
                           )
        button_up.bind(on_press=self.up_action_file)
        button_down = Button(
                             background_normal="Icons/Down-arrow-grey.png",
                             background_down="Icons/Down-arrow-blue.png",
                             )
        button_down.bind(on_press=self.down_action_file)
        gridlayout.add_widget(button_up)
        gridlayout.add_widget(button_down)
        return gridlayout