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Qt5 C++ GUI Programming Cookbook

You're reading from   Qt5 C++ GUI Programming Cookbook Practical recipes for building cross-platform GUI applications, widgets, and animations with Qt 5

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Product type Paperback
Published in Mar 2019
Publisher Packt
ISBN-13 9781789803822
Length 428 pages
Edition 2nd Edition
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Authors (2):
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Lee  Z Eng Lee Z Eng
Author Profile Icon Lee Z Eng
Lee Z Eng
Lee Zhi Eng Lee Zhi Eng
Author Profile Icon Lee Zhi Eng
Lee Zhi Eng
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Table of Contents (15) Chapters Close

Preface 1. Look-and-Feel Customization with Qt Designer FREE CHAPTER 2. Event Handling - Signals and Slots 3. States and Animations with Qt and QML 4. QPainter and 2D Graphics 5. OpenGL Implementation 6. Using Network and Managing Large Documents 7. Threading Basics - Asynchronous Programming 8. Building a Touch Screen Application with Qt5 9. XML Parsing Made Easy 10. Conversion Library 11. Accessing Databases with SQL Driver and Qt 12. Develop Web Applications using Qt WebEngine 13. Performance Optimization 14. Other Books You May Enjoy

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...
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