[Tutor] CheckButtons reset to default values

[Peter Otten]

Pooja Bhalode wrote:

> Hi,
> 
> I have a bunch of checkbuttons in my code and a default settings button
> which restores the original setting in the checkbuttons. The code is given
> below:
> 
> 
>     var1 = IntVar()
>     var2 = IntVar()
>     var3 = IntVar()
>     var4 = IntVar()
>     Checkbutton(frame1, text = "Vertices", variable=var1, onvalue=1,
> offvalue=0).grid(row=1, column = 1, sticky=W)
>     Checkbutton(frame1, text = "Edges", variable=var2).grid(row=2, column
>     =
> 1, sticky=W)
>     Checkbutton(frame1, text = "Faces", variable=var3).grid(row=3, column
>     =
> 1, sticky=W)
>     check = Checkbutton(frame1, text = "Center", variable=var4)
>     check.grid(row=4, column = 1, sticky=W)
>     check.select()
> 
>     label2 = Label(frame1, text="2. Cut off Improvement %")
>     label2.grid(row=5, column=0,sticky=W)
>     Entry2 = Entry(frame1)
>     Entry2.insert(END, '05')
>     Entry2.grid(row=5, column = 1, sticky = W)
> 
>     def default():
>         print "Inside default"
> 
>         var1.set(0)
>         var2.set(0)
>         var3.set(0)
>         var4.set(1)
>         Entry2.delete(0, END)
>         Entry2.insert(END,'05')
> 
>     Button(frame1, text = "Select Default value",
> command=default).grid(row=0, column = 2, sticky=W)
> 
> 
> This resets the Entry2 but it does not reset the checkbuttons selection to
> the values specified in default function.
> Can some one please tell me where I am going wrong?

The problem has to be elsewhere in your code. If I run a script

from Tkinter import *

root = frame1 = Tk()

if 1:
   # your snippet shown above goes here

root.mainloop()

clicking the button unchecks Vertices, Edges, Faces and checks Center.