widgets.py 文件源码

def __init__(self, *args, **kwargs):
        self.vim_handlers = {
            # movement
            'k': self.h_exit_up,
            'j': self.h_exit_down,
            'h': self.h_cursor_left,
            'l': self.h_cursor_right,
            curses.ascii.SP:      self.h_cursor_right,   # Space
            curses.KEY_BACKSPACE: self.h_cursor_left,
            # deletion
            'X': self.h_delete_left,
            'x': self.h_delete_right,
            # insert chars
            'i': self.h_vim_insert_mode,
            'a': self.h_vim_append_char,
            'A': self.h_vim_append_char_at_end,
        }
        super().__init__(*args, **kwargs)   # set_up_handlers is called in __init__