curses_display.py 文件源码

def _start(self):
        """
        Initialize the screen and input mode.
        """
        self.s = curses.initscr()
        self.has_color = curses.has_colors()
        if self.has_color:
            curses.start_color()
            if curses.COLORS < 8:
                # not colourful enough
                self.has_color = False
        if self.has_color:
            try:
                curses.use_default_colors()
                self.has_default_colors=True
            except _curses.error:
                self.has_default_colors=False
        self._setup_colour_pairs()
        curses.noecho()
        curses.meta(1)
        curses.halfdelay(10) # use set_input_timeouts to adjust
        self.s.keypad(0)

        if not self._signal_keys_set:
            self._old_signal_keys = self.tty_signal_keys()

        super(Screen, self)._start()