Book Image

Qt5 C++ GUI Programming Cookbook - Second Edition

By : Lee Zhi Eng
Book Image

Qt5 C++ GUI Programming Cookbook - Second Edition

By: Lee Zhi Eng

Overview of this book

With the growing need to develop GUIs for multiple targets and multiple screens, improving the visual quality of your application becomes important so that it stands out from your competitors. With its cross-platform ability and the latest UI paradigms, Qt makes it possible to build intuitive, interactive, and user-friendly user interfaces for your applications. Qt5 C++ GUI Programming Cookbook, Second Edition teaches you how to develop functional and appealing user interfaces using the latest version of QT5 and C++. This book will help you learn a variety of topics such as GUI customization and animation, graphics rendering, implementing Google Maps, and more. You will also be taken through advanced concepts like asynchronous programming, event handling using signals and slots, network programming, various aspects of optimizing your application. By the end of the book, you will be confident to design and customize GUI applications that meet your clients' expectations and have an understanding of best practice solutions for common problems.
Table of Contents (15 chapters)

QObject and QThread

Next, we want to explore some other methods so that we can use threads in Qt 5 applications. Qt 5 provides a class called QThread, which gives you more control of how you create and execute a thread. A QThread object begins to execute its event loops in a thread by calling the run() function. In this example, we will learn how to make QObject work together asynchronously through QThread.

How to do it...

Let's get started by preforming the following steps:

  1. Create a new Qt Widgets Application project. Then, go to File | New File or Project... and create a C++ Class:
  1. After that, name the new class MyWorker and make it inherit from the QObject class. Don't forget to include the QObject class...