presenter.py 文件源码

def display(self, f):
        def handle_input(key):
            if key in ('q', 'Q'):
                raise urwid.ExitMainLoop()
            elif key in ('right', 'j', ' '):
                if self.slide_id < len(self.sd) - 1:
                    self.slide_id += 1
            elif key in ('left', 'k'):
                if self.slide_id > 0:
                    self.slide_id -= 1
            self.update_display()

        self.load_charset()
        self.sd = list(yaml.load_all(f))
        self.slide_id = 0
        self.update_display()

        txt = urwid.Text(u"Presenting...")
        fill = urwid.Filler(txt, 'bottom')
        urwid.MainLoop(fill, unhandled_input=handle_input).run()