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Qt 6 C++ GUI Programming Cookbook

You're reading from   Qt 6 C++ GUI Programming Cookbook Practical recipes for building cross-platform GUI applications, widgets, and animations with Qt 6

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Product type Paperback
Published in Apr 2024
Publisher Packt
ISBN-13 9781805122630
Length 428 pages
Edition 3rd Edition
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Author (1):
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Lee Zhi Eng Lee Zhi Eng
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Lee Zhi Eng
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Table of Contents (17) Chapters Close

Preface 1. Chapter 1: Look-and-Feel Customization with Qt Designer FREE CHAPTER 2. Chapter 2: Event Handling – Signals and Slots 3. Chapter 3: States and Animations with Qt and QML 4. Chapter 4: QPainter and 2D Graphics 5. Chapter 5: OpenGL Implementation 6. Chapter 6: Transitioning from Qt 5 to Qt 6 7. Chapter 7: Using Network and Managing Large Documents 8. Chapter 8: Threading Basics –Asynchronous Programming 9. Chapter 9: Building a Touch Screen Application with Qt 6 10. Chapter 10: JSON Parsing Made Easy 11. Chapter 11: Conversion Library 12. Chapter 12: Accessing Databases with SQL Driver and Qt 13. Chapter 13: Developing Web Applications Using Qt WebEngine 14. Chapter 14: Performance Optimization 15. Index 16. Other Books You May Enjoy

Creating a TCP client

Since we created a TCP server in the previous recipe, we now need a client program to complete the project. Therefore, in this recipe, we will learn how to create a TCP client program using Qt 6 and its network module.

How to do it…

To create a TCP client in Qt 6, let’s do the following:

  1. First off, let’s create a new Qt Widgets Application project from Files | New File or Project.
  2. Once the project has been created, let’s open up mainwindow.ui and set up the GUI as shown in the following diagram. Please note that the layout direction of the central widget has to be vertical:
Figure 7.5 – The layout of our client program

Figure 7.5 – The layout of our client program

  1. Then, right-click on the push button that says Connect and create a clicked() slot function from the menu. Then, repeat the same step on the Send button as well. As a result, two slot functions will be created for you in the source code, which may or may...
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