Book Image

Hands-On GUI Programming with C++ and Qt5

By : Lee Zhi Eng
Book Image

Hands-On GUI Programming with C++ and Qt5

By: Lee Zhi Eng

Overview of this book

Qt 5, the latest version of Qt, enables you to develop applications with complex user interfaces for multiple targets. It provides you with faster and smarter ways to create modern UIs and applications for multiple platforms. This book will teach you to design and build graphical user interfaces that are functional, appealing, and user-friendly. In the initial part of the book, you will learn what Qt 5 is and what you can do with it. You will explore the Qt Designer, discover the different types of widgets generally used in Qt 5, and then connect your application to the database to perform dynamic operations. Next, you will be introduced to Qt 5 chart which allows you to easily render different types of graphs and charts and incorporate List View Widgets in your application. You will also work with various Qt modules, like QtLocation, QtWebEngine, and the networking module through the course of the book. Finally, we will focus on cross-platform development with QT 5 that enables you to code once and run it everywhere, including mobile platforms. By the end of this book, you will have successfully learned about high-end GUI applications and will be capable of building many more powerful, cross-platform applications.
Table of Contents (18 chapters)

Creating an instant messaging client

In the following section, we will proceed to create our instant messaging client, which the users will be using to send and receive messages.

Designing the user interface

In this section, we will learn how to design the user interface for the instant messaging client and create functionality for it:

  1. First, create another Qt project by going to File | New File or Project. Then select Qt Widget Application under the Application category.
  2. After the project has been created, open up mainwindow.ui and drag a Line Edit and Text Browser to the window canvas. Then, select the central widget and click the Lay Out Vertically button, located on the widget bar above, to apply the vertical layout effect...