Book Image

Tkinter GUI Application Development Blueprints - Second Edition

By : Bhaskar Chaudhary
Book Image

Tkinter GUI Application Development Blueprints - Second Edition

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, audio player, drawing application, piano tutor, chat application, screen saver, port scanner, and much 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, asyncio based programming 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 (12 chapters)

Drawing irregular lines and super shapes

Let's now add the capability to draw irregular or continuous free-flowing lines. We will also add the ability to draw a variety of interesting shapes on the drawing canvas, as shown here:

As a reminder, all our buttons are linked to dynamically call functions defined in our tool_bar_functions tuple. Furthermore, we can specify unique options for a given function by adding the _options string to the function name.

Drawing irregular lines

To add the capability to draw irregular lines, we just need to define the method named draw_irregular_line. To specify options that appear in the top bar, we need to define the method named draw_irregular_line_options.

We define the draw_irregular_line...