Book Image

Qt5 Python GUI Programming Cookbook

By : B. M. Harwani
Book Image

Qt5 Python GUI Programming Cookbook

By: B. M. Harwani

Overview of this book

PyQt is one of the best cross-platform interface toolkits currently available; it's stable, mature, and completely native. If you want control over all aspects of UI elements, PyQt is what you need. This book will guide you through every concept necessary to create fully functional GUI applications using PyQt, with only a few lines of code. As you expand your GUI using more widgets, you will cover networks, databases, and graphical libraries that greatly enhance its functionality. Next, the book guides you in using Qt Designer to design user interfaces and implementing and testing dialogs, events, the clipboard, and drag and drop functionality to customize your GUI. You will learn a variety of topics, such as look and feel customization, GUI animation, graphics rendering, implementing Google Maps, and more. Lastly, the book takes you through how Qt5 can help you to create cross-platform apps that are compatible with Android and iOS. You will be able to develop functional and appealing software using PyQt through interesting and fun recipes that will expand your knowledge of GUIs
Table of Contents (20 chapters)
Title Page
Dedication
Packt Upsell
Contributors
Preface
Index

Introduction


Threads are used for running several programs concurrently in a single process, so they help in implementing multitasking. Threads, once created, execute simultaneously and independently of each other. Threads are basically small processes that are created for executing certain tasks independently. Threads can be pre-empted, that is, interrupted or stopped temporarily by setting them in sleep mode and then resuming execution.

To work with threads in Python, we will be making use of its threading module. The threading module provides several methods that provide information on currently active threads. A few of the methods provided by the threading module are as follows:

  • threading.activeCount(): This method returns the number of currently active thread objects
  • threading.currentThread(): This method returns the current thread object
  • threading.enumerate(): This method returns a list of all currently active thread objects

Besides the preceding methods, the threading module has the Thread...