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Tkinter GUI Application Development Blueprints, Second Edition

You're reading from   Tkinter GUI Application Development Blueprints, Second Edition Build nine projects by working with widgets, geometry management, event handling, and more

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Product type Paperback
Published in Mar 2018
Publisher Packt
ISBN-13 9781788837460
Length 422 pages
Edition 2nd Edition
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Author (1):
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Bhaskar Chaudhary Bhaskar Chaudhary
Author Profile Icon Bhaskar Chaudhary
Bhaskar Chaudhary
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Table of Contents (12) Chapters Close

Preface 1. Meet Tkinter FREE CHAPTER 2. Making a Text Editor 3. Programmable Drum Machine 4. Game of Chess 5. Building an Audio Player 6. Paint Application 7. Piano Tutor 8. Fun with Canvas 9. Multiple Fun Projects 10. Miscellaneous Tips 11. Other Books You May Enjoy

Tkinter and threading

One of the simplest ways that we can make our root window responsive is to use the root.update() method within our play_pattern loop. This updates the root.mainloop() method after each sound sample is played.

However, this is an inelegant method because the control is passed to the main loop with some staggering experienced in the GUI. Thus, you may experience a slight delay in the responses of other widgets in the Toplevel window.

Further, if some other event causes the method to be called, it could result in a nested event loop.

A better solution would be to run the play_pattern method from a separate thread.

Let's use the threading module of Python to play the pattern in a separate thread. This way, pygame will not interfere with Tkinter's main loop.

A thread is a coding construct that can advance two or more separate sets of logical workflow...

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