Book Image

Qt5 C++ GUI Programming Cookbook - Second Edition

By : Lee Zhi Eng
Book Image

Qt5 C++ GUI Programming Cookbook - Second Edition

By: Lee Zhi Eng

Overview of this book

With the growing need to develop GUIs for multiple targets and multiple screens, improving the visual quality of your application becomes important so that it stands out from your competitors. With its cross-platform ability and the latest UI paradigms, Qt makes it possible to build intuitive, interactive, and user-friendly user interfaces for your applications. Qt5 C++ GUI Programming Cookbook, Second Edition teaches you how to develop functional and appealing user interfaces using the latest version of QT5 and C++. This book will help you learn a variety of topics such as GUI customization and animation, graphics rendering, implementing Google Maps, and more. You will also be taken through advanced concepts like asynchronous programming, event handling using signals and slots, network programming, various aspects of optimizing your application. By the end of the book, you will be confident to design and customize GUI applications that meet your clients' expectations and have an understanding of best practice solutions for common problems.
Table of Contents (15 chapters)

Converting currency

In this example, we will learn how to create a simple currency converter using Qt, with the help of an external service provider called

How to do it...

Make yourself a currency converter with these simple steps:

  1. Open Qt Creator and create a new Qt Widgets Application project from File | New File or Project.
  2. Open the project file (.pro) and add the network module to our project:
QT += core gui network
  1. Open mainwindow.ui and remove the menu bar, toolbar, and status bar from the UI.
  2. Add three horizontal layouts, a horizontal line, and a push button to the canvas. Left-click on the canvas and continue by clicking the Lay Out Vertically button on top of the canvas. Set the label of the push button...