Getting Started with KXmlGui
KXmlGui is built on top of QtWidgets and provides several libraries easily create your user interfaces with C++. QtWidgets is a mature technology with several premade components to easily create user interfaces, and it is strongly geared towards non-convergent, traditional desktop interfaces.
The knowledge gained from this tutorial will introduce you to several KDE libraries that are managed with C++, and should prove useful for other tutorials, like Kirigami.
Creating the Main Window
This tutorial shows you the magic of an application's most important thing: The main window.
Saving and loading
Introduces the KIO library while adding loading and saving support to our application.