curses_d.py 文件源码

def sub_selection(self, pos):
        """
        Let user to choose settings from `Selection Dialog` specified by
        :attr:`pos`.

        :param pos: Index of selected item in `Configure Setting` frame.
        :type pos: int

        .. warning:: The value of `pos` MUST NOT be `None`.

        .. seealso:: :meth:`~tui.curses_ui.CursesUI.sub_selection_dialog` in
            :class:`~tui.curses_ui.CursesUI`.
        """
        screen = self.sub_selection_dialog(pos)
        i_pos = self.settings[pos][1]
        # Key Press Operations
        id_num = range(len(self.settings[pos][2]))
        key_in = None
        while key_in != 27:
            self.sub_selection_dialog_items(pos, i_pos, screen)
            key_in = screen.getch()
            if key_in == curses.KEY_DOWN:
                i_pos = list(id_num[1:] + id_num[:1])[i_pos]
            elif key_in == curses.KEY_UP:
                i_pos = list(id_num[-1:] + id_num[:-1])[i_pos]
            elif key_in in [10, 32]:
                if pos == 0 and i_pos != self.settings[pos][1]:
                    test = self.settings[pos][2][i_pos]["test_url"]
                    self.check_connection(test)
                self.settings[pos][1] = i_pos
                return