[Lazarus] MouseWheel scroll delta detection

[zeljko]

On Thursday 05 June 2008 10:38, Graeme Geldenhuys wrote:
> A follow-up from my previous post.
>
> So far, the only mention of this mouse wheel acceleration is in a
> article listed below:
>   http://adomas.org/javascript-mouse-wheel/
>
> Under Mac OS X the mouse wheel delta goes from -+0.1 to -+30.0
>
> In XLib and Win32 API's,  I could only get a delta of -+1 (no range).  :-(

Take a look here, so maybe you'll get some idea

http://doc.trolltech.com/4.4/qwheelevent.html#delta