[Qt-interest] Joystick support

[Tumarov Alexander]

R. Reucher wrote:
> It works with all joysticks supported by SDL, and it runs on all its
> platforms (tested: Linux, Mac OS X and Windows).
> 
> Yes, I use the polling approach because I didn't want to have a second
> event loop (SDL's and Qt's event loops)... that's good enough for all I
> wanna do, and it's really working nicely!

Thanks.
I am not sure if I want to add SDL into project. Anyway, thank you.