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Python GUI Programming Cookbook

You're reading from   Python GUI Programming Cookbook Develop functional and responsive user interfaces with tkinter and PyQt5

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Product type Paperback
Published in Oct 2019
Publisher
ISBN-13 9781838827540
Length 486 pages
Edition 3rd Edition
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Author (1):
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Burkhard Meier Burkhard Meier
Author Profile Icon Burkhard Meier
Burkhard Meier
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Table of Contents (13) Chapters Close

Preface 1. Creating the GUI Form and Adding Widgets 2. Layout Management FREE CHAPTER 3. Look and Feel Customization 4. Data and Classes 5. Matplotlib Charts 6. Threads and Networking 7. Storing Data in Our MySQL Database via Our GUI 8. Internationalization and Testing 9. Extending Our GUI with the wxPython Library 10. Building GUIs with PyQt5 11. Best Practices 12. Other Books You May Enjoy

How to use StringVar()

There are built-in programming types in tkinter that differ slightly from the Python types we are used to programming with. StringVar() is one such tkinter type. This recipe will show you how to use the StringVar() type.

Getting ready

In this recipe, you will learn how to save data from the tkinter GUI into variables so we can use that data. We can set and get their values, which is very similar to how you would use the Java getter/setter methods.

Here are some of the types of code in tkinter:

strVar = StringVar() Holds a string; the default value is an empty string ("")
intVar = IntVar() Holds an integer; the default value is 0
dbVar = DoubleVar() Holds a float; the default value is...
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