app.py 文件源码

def refresh(self, data=None, force=False):
        widget = self.frame.body
        while isinstance(widget, urwid.Overlay):
            widget = widget.contents[0][0]
        interested = force
        invalidate = False
        try:
            while True:
                event = self.sync.result_queue.get(0)
                if widget.interested(event):
                    interested = True
                if hasattr(event, 'held_changed') and event.held_changed:
                    invalidate = True
        except queue.Empty:
            pass
        if interested:
            widget.refresh()
        if invalidate:
            self.updateStatusQueries()
        self.status.refresh()