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)

Using threads

Qt 5 provides multiple methods for creating and using threads. You can choose between high-level methods and low-level ones. High-level methods are much easier to get started, but are limited in what you can do with them. Low-level methods, on the other hand, are more flexible, but not beginner-friendly. In this recipe, we will learn how to use one of the high-level methods to easily create a multithreading Qt 5 application.

How to do it...

Let's learn how to create multithreading applications by following these steps:

  1. Create a Qt Widgets Application and open up main.cpp. Then, add the following headers at the top of the file:
#include <QFuture>
#include <QtConcurrent/QtConcurrent>
#include ...