On Wed, 28 May 2008, imacarthur wrote: >> Does something like this exist? If not, how do I go about modifying >> the existing Fl_Roller wheel? > > I don't think anything quite like that exists, but I guess you can > make something up pretty easy - the fltk valuators (e.g. > Fl_Value_Input, Fl_Roller) all respond to mouse drag movement. I > guess in a subclassed handle method you could just record the mouse X > position on button-down, and pass the delta between current-X and > that original-X to the callback? Something like that?
I guess I'd probably use the 'previous' x rather than the original, so that any mouse movement to the left gives a negative value, and any movement to the right a positive value (even if the mouse cursor is on the left of the original click). Sounds workable. Thank you, Marc _______________________________________________ fltk mailing list [email protected] http://lists.easysw.com/mailman/listinfo/fltk
