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

Product type Paperback

Published in Apr 2024

Publisher Packt

ISBN-13 9781805122630

Length 428 pages

Edition 3rd Edition

Languages

C++

Tools

Concepts

GUI Application Development

Author (1):

Lee Zhi Eng

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Table of Contents (17) Chapters

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

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Integrating QML and C++

Qt supports bridging between C++ classes with the QML engine. This combination allows developers to take advantage of both the simplicity of QML and the flexibility of C++. You can even integrate features that are not supported by Qt from external components, then pass the resulting data to Qt Quick to be displayed in the UI. In this example, we will learn how to export our user interface components from QML to the C++ framework and manipulate their properties before displaying them on screen.

How to do it…

Let’s go through the following steps:

Once again, we will start everything from scratch. Therefore, create a new Qt Quick application project in Qt Creator and open up Screen01.ui.qml with Qt Design Studio. Then, open up Screen01.ui.qml.
We can keep the mouse area and text widget but place the text widget at the bottom of the window. Change the Text property of the text widget to Change this text using C++ and set its font...