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Python 2.7 如何在禁用和重新启用小部件时删除条目文本_Python 2.7_Tkinter_Optionmenu_Tkinter Entry - Fatal编程技术网

Python 2.7 如何在禁用和重新启用小部件时删除条目文本

Python 2.7 如何在禁用和重新启用小部件时删除条目文本,python-2.7,tkinter,optionmenu,tkinter-entry,Python 2.7,Tkinter,Optionmenu,Tkinter Entry,当条目小部件的状态为禁用和重新启用时,是否有任何方法可以删除它中的用户输入?用户输入保持原样,我希望在不添加按钮事件的情况下对其进行修改 from Tkinter import * class Interface(): def __init__(self, window): frame = Frame(window) frame.pack() self.hopLabel = Label(frame, text="Number:",

当条目小部件的状态为禁用和重新启用时,是否有任何方法可以删除它中的用户输入?用户输入保持原样,我希望在不添加按钮事件的情况下对其进行修改

 from Tkinter import *

 class Interface():
     def __init__(self, window):
        frame = Frame(window)
        frame.pack()

        self.hopLabel = Label(frame, text="Number:", anchor=E)
        self.hopLabel.grid(row=0, column=0, sticky=EW)

        options = range(0,6)
        options.append("Other")

        self.variable = StringVar(frame)
        self.variable.set(options[0])
        self.options = OptionMenu(frame, self.variable, *options, command=self.this)
        self.options.grid(row=0, column=2, sticky=EW)

        self.button = Button(frame,text = "Print Value",width=20,command = self.printit(self.variable.get()))
        self.button.grid(row=1)

        self.otherEntry = Entry(frame, state=DISABLED)
        self.otherEntry.grid(row=0, column=1, sticky=EW)

    def this(self, value):
        if value == "Other":
            self.otherEntry.config(state=NORMAL)
        else:
            self.otherEntry.config(state=DISABLED)

    def printit(self,value):
        print value

if __name__ == "__main__":
    root = Tk()
    app = Interface(root)
    root.mainloop()

为了节省空间,我没有添加打印“Other”选项值的函数。我的问题是:当小部件的状态从禁用变为正常时,是否仍要删除输入框中的值而不必按下按钮?

要在禁用状态时删除输入小部件中的文本,只需先将状态设置为正常,然后调用
删除
方法:

def this(self, value):
    if value == "Other":
        self.otherEntry.config(state=NORMAL)
        self.otherEntry.delete(0, "end")
    ...

谢谢我没有想到将.delete(0,“end”)添加到正常状态,我在禁用状态下尝试了它。它起作用了!