Book Image

Qt5 C++ GUI Programming Cookbook

By : Lee Zhi Eng
Book Image

Qt5 C++ GUI Programming Cookbook

By: Lee Zhi Eng

Overview of this book

With the advancement of computer technology, the software market is exploding with tons of software choices for the user, making their expectations higher in terms of functionality and the look and feel of the application. Therefore, improving the visual quality of your application is vital in order to overcome the market competition and stand out from the crowd. This book will teach you how to develop functional and appealing software using Qt5 through multiple projects that are interesting and fun. This book covers a variety of topics such as look-and-feel customization, GUI animation, graphics rendering, implementing Google Maps, and more. You will learn tons of useful information, and enjoy the process of working on the creative projects provided in this book
Table of Contents (16 chapters)
Qt5 C++ GUI Programming Cookbook
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
Index

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 an external library, then pass the resulting data to Qt Quick to be displayed in the UI. In this example, we will learn how to export our UI components from QML to the C++ framework and manipulate their properties before displaying them on screen.

How to do it…

  1. Once again, we will start everything from scratch. Therefore, create a new Qt Quick application project in Qt Creator and open up MainForm.ui.qml.

  2. 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 size to 18. After that, go to the Layout tab and enable both Vertical center anchor and Horizontal center anchor to ensure it's always somewhere...