I'm trying to toggle the visibility of a Tkinter widget using
pack_forget(), and I'm running into unexpected behavior. The widget
"hides" correctly, but does not become visible again. My sample code is
below:
----
from Tkinter import *
root = Tk()
label = Label(text="Hello")
label.pack()
def toggle():
if label.winfo_ismapped:
print "mapped"
label.pack_forget()
else:
label.pack()
button = Button(text="Push me", command=toggle)
button.pack()
root.mainloop()
-----
The expected behavior is for the label to hide ("pack_forget()") if
label.winfo_ismapped returns true. That works as . However, I would also
expect the widget to be displayed/packed if it is not mapped. What
happens instead is that the label is apparently mapped even after I call
label.pack_forget().
Can anyone point out what I'm doing wrong? Calling "pack forget" from
Tcl maps/unmaps the widget as expected. In this case, I can't quite
figure out where my error is.
--
Kevin Walzer
Code by Kevin
http://www.codebykevin.com
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