Advanced single or multiple picking in plotted traces

Hi community!

I have the necessity of a trace picker. The idea is to have something that can display instant amplitude for single traces (of a set of traces plotted together) while moving the mouse over (like an istant value tooltip) and possibly to select/isolate single traces, amplificate them, take pick value and so on.

If you know some available file/library/project that already do something like this please let me know. I found something but I still have problems to do what I want.

Thanks a lot!