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Python GUI Programming with Tkinter, 2nd edition

You're reading from   Python GUI Programming with Tkinter, 2nd edition Design and build functional and user-friendly GUI applications

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Product type Paperback
Published in Oct 2021
Publisher Packt
ISBN-13 9781801815925
Length 664 pages
Edition 2nd Edition
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Author (1):
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Alan D. Moore Alan D. Moore
Author Profile Icon Alan D. Moore
Alan D. Moore
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Table of Contents (22) Chapters Close

Preface 1. Introduction to Tkinter 2. Designing GUI Applications FREE CHAPTER 3. Creating Basic Forms with Tkinter and Ttk Widgets 4. Organizing Our Code with Classes 5. Reducing User Error with Validation and Automation 6. Planning for the Expansion of Our Application 7. Creating Menus with Menu and Tkinter Dialogs 8. Navigating Records with Treeview and Notebook 9. Improving the Look with Styles and Themes 10. Maintaining Cross-Platform Compatibility 11. Creating Automated Tests with unittest 12. Improving Data Storage with SQL 13. Connecting to the Cloud 14. Asynchronous Programming with Thread and Queue 15. Visualizing Data Using the Canvas Widget 16. Packaging with setuptools and cxFreeze 17. A: A Quick Primer on reStructuredText 18. B: A Quick SQL Tutorial 19. Other Books You May Enjoy
20. Index
Appendices

Styling Ttk widgets

The final user requests we need to address involve the styles and colors of our Ttk widgets; users have asked for more visual distinction between the form sections, and more visibility for error messages.

After some thought and discussion, you decide to color-code the sections of the form as follows:

  • The Record Information section will use khaki, suggesting the classic manila folders used for paper records
  • The Environment Data section will use light blue, symbolic of water and air
  • The Plant Data will have a light green background, symbolic of plants
  • The Notes input is distinctive enough, so it will remain the same default gray

To improve the visibility of error messages, we'd like to make the background of the fields turn red when they have errors, and the error text itself display in a dark red color. To accomplish this, we're going to need to understand how to style Ttk widgets.

TTk styling breakdown

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