has_modal.py 文件源码

def __init__(self, main_widget):
        self.main_widget = main_widget
        self.pop_up = urwid.Frame(urwid.WidgetPlaceholder(None))
        self.w_placeholder = urwid.WidgetPlaceholder(self.main_widget)
        self.pop_up_overlay = urwid.Overlay(urwid.LineBox(self.pop_up),
                                            self.main_widget,
                                            'center',
                                            ('relative', 60),
                                            'middle',
                                            ('relative', 60))