Jane wrote: > if (ev == FL_MOUSEWHEEL && this == Fl::belowmouse()) > [..] > It never enters the if(). Is there no FL_MOUSEWHEEL event for spinners?
Try printing out the values in the if() statement with printf().
See what the value of ev, FL_MOUSEWHEEL, and "this" and
"Fl::belowmouse()"
are to see if you're getting what you expect..
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