validentry.py 文件源码

def __init__(self, parent, valid_list=[], *args):
        ttk.Entry.__init__(self, parent, *args)
        self.parent = parent
        self._valid_list = valid_list
        self._valid = False

        ttk.Style().configure("Valid.TEntry", foreground="green")
        ttk.Style().configure("NotValid.TEntry", foreground="red")

        self.configure(style="Valid.TEntry")
        self.bind("<KeyRelease>", self._check, "+")