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  • Book Overview & Buying Tkinter GUI Application Development Blueprints
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Tkinter GUI Application Development Blueprints

Tkinter GUI Application Development Blueprints

By : Bhaskar Chaudhary
4 (28)
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Tkinter GUI Application Development Blueprints

Tkinter GUI Application Development Blueprints

4 (28)
By: Bhaskar Chaudhary

Overview of this book

Tkinter is the built-in GUI package that comes with standard Python distributions. It is a cross-platform package, which means you build once and deploy everywhere. It is simple to use and intuitive in nature, making it suitable for programmers and non-programmers alike. This book will help you master the art of GUI programming. It delivers the bigger picture of GUI programming by building real-world, productive, and fun applications such as a text editor, drum machine, game of chess, media player, drawing application, chat application, screen saver, port scanner, and many more. In every project, you will build on the skills acquired in the previous project and gain more expertise. You will learn to write multithreaded programs, network programs, database driven programs and more. You will also get to know the modern best practices involved in writing GUI apps. With its rich source of sample code, you can build upon the knowledge gained with this book and use it in your own projects in the discipline of your choice.
Table of Contents (10 chapters)
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9
Index

Widget traversal


If a GUI has more than one widget, a given widget can come under focus when you explicitly click on the widget. Alternatively, the focus can be shifted to other widgets in the order that the widgets were created in the program by pressing the Tab key on the keyboard.

Therefore, it is vital to create widgets in the order that we want the user to traverse through them. Otherwise, the user will have a tough time navigating between the widgets by using the keyboard.

Different widgets are designed to behave differently to different keyboard strokes. Therefore, let's spend some time trying to understand the rules of traversing through widgets using the keyboard.

Have a look at the 8.02_widget_traversal.py file to understand the keyboard traversal behavior for different widgets. The code displays a window like the one shown in the following screenshot:

The code will not be given here as it is very simple (see code 8.02_widget_traversal.py). It simply adds an entry widget, a few buttons...

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