Node Shader Editor

[AMDx64BT]

I would like to code a simple node editor with C++ and QT 4.7. I am newbie in QT. Do you know some opensource app or example with QT using nodes. Can you give me some advices?

I want to do something similar like this:
http://www.dream.com.ua/p/shaderman7.gif

[JohannesMunk]

You may want to take a look at the diagram scene example (http://doc.trolltech.com/4.5/graphicsview-diagramscene.html) to get you started with the graphical part.

HIH

Johannes