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Mastering C++ Programming,

You're reading from Mastering C++ Programming,

Product type Book

Published in Sep 2017

Publisher Packt

ISBN-13 9781786461629

Pages 384 pages

Edition 1st Edition

Languages

Concepts

Programming Language

Author (1):

Jeganathan Swaminathan

Table of Contents (18) Chapters

Title Page

Credits

About the Author

About the Reviewer

www.PacktPub.com

Customer Feedback

Dedication

Preface

1. C++17 Features

2. Standard Template Library

3. Template Programming

4. Smart Pointers

5. Developing GUI Applications in C++

6. Multithreaded Programming and Inter-Process Communication

7. Test-Driven Development

8. Behavior-Driven Development

9. Debugging Techniques

10. Code Smells and Clean Code Practices

Qt Widgets

Qt Widgets is an interesting module that supports quite a lot of widgets, such as buttons, labels, edit, combo, list, dialog, and so on. QWidget is the base class of all of the widgets, while QObject is the base class of pretty much every Qt class. While many programming languages refer to as UI controls, Qt refers to them as widgets. Though Qt works on many platforms, its home remains Linux; widgets are common in the Linux world.

Writing our first Qt GUI application

Our first console application is really cool, isn't it? Let's continue exploring further. This time, let's write a simple GUI-based Hello World program. The procedure will remain almost the same, except for some minor changes in main.cpp. Refer to the following for the complete code:

Figure 5.7

Wait a minute. Let me explain the need for QApplication in line number 23 and line number 29. Every Qt GUI application must have exactly one instance of the QApplication instance. QApplication provides support for command-line...

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Authors (1)

Jeganathan Swaminathan

Jeganathan Swaminathan, Jegan for short, is a freelance software consultant and founder of TekTutor, with over 17 years of IT industry experience. In the past, he has worked for AMD, Oracle, Siemens, Genisys Software, Global Edge Software Ltd, and PSI Data Systems. He has consulted for Samsung WTD (South Korea) and National Semiconductor (Bengaluru). He now works as a freelance external consultant for Amdocs (India). He works as freelance software consultant and freelance corporate trainer. He holds CSM, CSPO, CSD, and CSP certifications from Scrum Alliance. He is a polyglot software professional and his areas of interest include a wide range of C++, C#, Python, Ruby, AngularJS, Node.js, Kubernetes, Ansible, Puppet, Chef, and Java technologies. He is well known for JUnit, Mockito, PowerMock, gtest, gmock, CppUnit, Cucumber, SpecFlow, Qt, QML, POSIX Pthreads, TDD, BDD, ATDD, NoSQL databases (MongoDB and Cassandra), Apache Spark, Apache Kafka, Apache Camel, Dockers, Continuous Integration (CI), Continuous Delivery (CD), Maven, Git, cloud computing, and DevOps. You can reach him for any C++, Java, Qt, QML, TDD, BDD, and DevOps-related training or consulting assignments. Jegan is a regular speaker at various technical conferences.

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