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Python GUI Programming with Tkinter
book

Python GUI Programming with Tkinter

by Alan D. Moore
May 2018
Beginner to intermediate content levelBeginner to intermediate
452 pages
11h 26m
English
Packt Publishing
Content preview from Python GUI Programming with Tkinter

Managing asynchronous code

Whenever you interact with a Tkinter UI—whether it's clicking a button, typing in a field, or raising a window, for example—the response is not executed immediately in-place. Instead, these actions are placed in a to-do list, called an event queue, to be handled later while your code execution continues. While these actions seem instant to users, test code cannot count on a requested action being completed before the next line of code.

To solve this problem, we can use these special widget methods that allow us to manage the event queue:

  • wait_visibility(): This method causes the program to wait until a widget is fully drawn on-screen before executing the next line of code.
  • update_idletasks(): This method forces ...
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Publisher Resources

ISBN: 9781788835886Supplemental Content