On Sat, Mar 16, 2019 at 09:17:20PM -0400, Paul Ewing wrote: > Hello, > > I have a question regarding the "ScrollButton" option in libinput. I recently > purchased a trackball and I'd like to be able to configure it such that I can > press the button that I've set as the ScrollButton and then use the ball for > scrolling purposes. However, due to dexterity problems in my hand, I would > prefer not to hold the button down. > > I've tried to use the DragLockButtons option to take care of logically locking > the button I've assigned as the ScrollButton but it doesn't seem to work. This > is what my configuration currently looks like: > > # /usr/share/X11/99-trackball.conf > Section "InputClass" > Identifier "Elecom DEFT Pro Trackball" > MatchProduct "DEFT Pro TrackBall" > Driver "libinput" > Option "DragLockButtons" "10 10" > Option "ScrollButton" "10" > Option "ScrollMethod" "button" > EndSection > > If I hold button 10, I can scroll; however, it doesn't lock when I press it. > Can anyone confirm if the functionality I'm trying to get is possible or if my > configuration has any glaring issues?
it's not implemented yet, please file an RFE for libinput for this. The technical reason in this case: button scrolling is a libinput feature, draglock is a feature implemented in the xorg driver. so by the time the drag lock for button 10 activates, libinput is already done with that button. Cheers, Peter _______________________________________________ xorg@lists.x.org: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: https://lists.x.org/mailman/listinfo/xorg Your subscription address: %(user_address)s
