Subclassing isn't always the solution! - Video

Qt Widgets and more

20 April 2022

To watch this video on our website please or view it directly on YouTube

If you have a Java background, a C++98 background, or similar, your finger memory may reach for the subclassing tool in your toolbox whenever you face a problem.

In modern C++, there are many different ways to solve problems and, in this episode, I'll show an example where subclassing indeed isn't the right tool.

0:00 Intro
0:20 Intro to the problem
0:45 My starting point
2:03 Version 2 - encapsulating the currency sign in a class
4:32 version 3 - adding a virtual method for setup
5:26 version 4 - replacing the classes with functions

The example code showcased in this video is available here: https://github.com/KDAB/kdabtv/tree/master/Qt-Widgets-and-more/chart-axes

All QML tips and tricks videos : https://www.youtube.com/playlist?list=PL6CJYn40gN6jWHP5krsQrVGyYtKh3A3be

All Qt Widgets and more videos:
https://www.youtube.com/playlist?list=PL6CJYn40gN6gf-G-o6syFwGrtq3kItEqI

Jesper K. Pedersen

HR Director / COO

Jesper K. Pedersen – COO/HR director at KDAB. Jesper has actively developed with Qt since 1998 and, despite his fancy title, still does so.

He has held almost 100 training classes in Qt since 2000. Today, his greatest claim to fame is the QML youtube series and more recently his youtube series called Qt Widgets and More.

Subclassing isn't always the solution! - Video

Qt Widgets and more

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