Book Image

Tkinter GUI Application Development Blueprints

By : Bhaskar Chaudhary
Book Image

Tkinter GUI Application Development Blueprints

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 (15 chapters)
Tkinter GUI Application Development Blueprints
About the Author
About the Reviewers

Support for multiple beat patterns

Our drum program is now functional. You can load drum samples and define a beat pattern and our drum machine will play it.

Let us now extend our drum machine to create more than one pattern in the same program. This will provide us with the ability to play different patterns simply by changing the pattern number. This gives the user the ability to make different beats for the intro, verse, chorus, bridge, and other parts of a song.

At the very outset, we have an entry widget adjacent to the Pattern Number Spinbox widget. We want to display the current pattern number in that entry widget.

We accordingly create a method, display_pattern_name(), which does this task (see code

    def display_pattern_name(self):
        self.current_pattern_name_widget.delete(0, 'end')
        self.current_pattern_name_widget.insert(0, 'Pattern {}'.format(self.current_pattern.get()))