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)

Touch events

In this section, we will learn how to develop a touch-driven application that runs on mobile devices using Qt Quick.

How to do it...

Let's get started by following this step-by-step guide:

  1. Create a new Qt Quick application – Empty project.
  2. In Qt Creator, right-click on qml.qrc and select Open in Editor. Then, click Add | Add Files and add tux.png to the project as follows:
  1. Next, open up MainForm.ui.qml. Drag an image widget from the Library window to the canvas. Then, set the source of the image to tux.png and set its fillMode to PreserveAspectFit. After that, set its width to 200 and its height to 220.
  2. Make sure that both the mouse area widget and the image widget are exported as alias properties...