Support debug in Qt source code

You can provide a file path which contains Qt source code in setting. Then using it replaces default source file path, such as "\Users\qt\work\qt", "C:\work\build\qt5_workdir\w\s". The Qt Creator has the feature like this in Debugger.

[tonka3000]

Hi @LinYuMx ,

Can you post a screenshot from Qt here of the feature. I'm not 100% sure if I understand your request correctly.

Excuse me for my poor English, I mean mapping the Qt default source path