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)

Writing XML data using the Stream Writer

Since we have learned how to process data obtained from an XML file in the previous recipe, we will move on to learning how to save data to an XML file. We will continue with the previous example and add to it.

How to do it...

We will learn how to save data into an XML file through the following steps:

  1. Add another button to mainwindow.ui, then set its object name as saveXmlButton and its label as Save XML:
  1. Right-click on the button and select Go to slot…. A window will pop up with a list of signals available for selection. Select the clicked() option and click OK. A signal function called on_saveXmlButton_clicked() will now be automatically added to both your mainwindow.h...