the second of nested buttons using textvariable remains void!

[jim-on-linux]

On Wednesday 21 March 2007 20:11, Samkos wrote:
> Hi there,
>
> I am fighting with a problem I intended to 
> believe trivial that I could not solve yet!
>
> I am trying to have a button with a variable
> text, that pops up another button with a
> variable text when pressed.
>
> I did that with the following program  in
> Python, but the second button remains always
> void!!! is it related to the textvariable
> parameters?
>
> If any of you had a clue, please  don't
> hesitate!
>
> in advance, many thanks
>
> Samuel
>
> #----------------------- program 2 buttons.py
> --------------------------
>
> from Tkinter import *
>
>
> def go(event):
>     root = Tk()
>
>     s1=StringVar()
>     s1.set("s1")
>     label1 = Label(root, textvariable=s1)
>     label1.pack(side=LEFT)
>
>     root.mainloop()
>
>
>
> root = Tk()
>
> s0=StringVar()
> s0.set("s0")
> label0 = Label(root, textvariable=s0)
> label0.pack(side=LEFT)
>
>
> root.bind("<Return>",go)
>
> root.mainloop()

try this;

def go():
    root = Tk()
    root.config(bg= 'yellow')
    s1=StringVar()
    blabel1 = Button(root, textvariable=s1,
                     width = 10, height = 2,
                     command = next)
    blabel1.pack()
    root.bind("<Return>", vbind)
    s1.set('click_s1')

def vbind(event):
    next()

def next():
    second = Toplevel()
    s0=StringVar()
    s0.set("click_s0")
    blabel0 = Button(second, textvariable=s0,
                  command = second.destroy,
                  width = 10, height = 2)
    blabel0.pack()

if __name__ == '__main__' :
     go()
     mainloop()


jim-on-linux
http://inqvista.com