Control: reassign -1 xserver-xorg-input-libinput Control: forcemerge -1 823709
On 08/05/16 22:34, George Caswell wrote: > Package: libinput10 > Version: 1.2.4-1 > Severity: normal > Tags: upstream > > My system is a Thinkpad with a trackpoint device. I updated my X server using > apt, and when I tried using Blender I discovered I could no longer use my > middle mouse button as such. Scroll wheel events were being generated instead. > > I was unable to find anything in /usr/share/X11/xorg.conf.d that was > activating > scroll wheel emulation, and my efforts to disable scroll wheel emulation using > xorg.conf.d (by adding 'Option "EmulateWheel" "off"' to various files where > pointer device classes were being set up) failed to be effective. > >>From an online search for the problem it seems that this is a design choice > built into libinput. Apparently it can be disabled by running xinput but not > permanently via configuration files. From the libinput docs on "Scrolling": > > "On-button scrolling is enabled by default for pointing sticks. This prevents > middle-button dragging; all motion events while the middle button is down are > converted to scroll events." > > It can be disabled by this call to xinput: > xinput --set-prop 'TPPS/2 IBM TrackPoint' 'libinput Button Scrolling Button' 0 > > Placing that call in .xsessionrc solves the immediate problem and allows me to > use Blender effectively on my laptop again. But I'd like this setting to be > system-wide. I recognize that for many users, having middle-button scroll > wheel > emulation is probably way more useful than a middle mouse button, but for me > the opposite is true. Whatever default is chosen, this should be configurable > at the system level and visible in xorg.conf.d. This looks similar to #823709. If you can send this upstream that'd be great: https://bugs.freedesktop.org/enter_bug.cgi?product=xorg&component=input/libinput Cheers, Emilio
