Disable the underlying window when a popup is created in Python TKinter

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I have a master Frame (call it a), and a popup Toplevel (call it b). How do I make sure the user cannot click on anything in a while b is “alive”?

If you don’t want to hide the root but just make sure the user can only interact with the popup, you can use grab_set() and grab_release().

b.grab_set() # when you show the popup
# do stuff ...
b.grab_release() # to return to normal

Alternatively, you could withdraw() the root to make it invisible:


will leave the root alive, but only b visible.

If you need it back, you can do


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