Weird mouse behaviour
Niclas Zeising
zeising+freebsd at daemonic.se
Mon Apr 27 10:03:20 UTC 2020
On 2020-04-27 11:29, Michael Gmelin wrote:
>
>
> On Mon, 27 Apr 2020 08:28:50 +0000
> "Poul-Henning Kamp" <phk at phk.freebsd.dk> wrote:
>
>> --------
>> In message <65670198-e725-5b66-646c-5b147c943cd9 at daemonic.se>, Niclas
>> Zeising writes:
>>
>>> With my touchpad, ctrl left click and ctrl right click opens two
>>> different menus in xterm, main menu and vt font menu, respectively.
>>
>> ctrl-middle should open "VT Options"
>>
>
> I could reproduce this on my laptop and found the fix.
>
> The problem is, that the middle mouse button only generates a key
> press/key release event pair once its released (can be seen using xev
> and `libinput debug-events').
>
> This is caused by the trackpoint driver using one-button scrolling by
> default (that is, you can hold the middle mouse button and move the
> trackpoint - even though this didn't work for me).
>
> You can disable on-button scrolling using xinput, e.g.
>
> xinput set-prop 'TPPS/2 IBM TrackPoint' \
> 'libinput Scroll Method Enabled' 0 0 0
>
> After this, Ctrl+middle works as expected in xterm.
>
> Note: Check `xinput' output to get the correct device name for your
> trackpoint (you can also use its numeric identifier, but the name is
> supposed to be more stable).
Nice catch!
I tried looking at xev myself, but apparently, I didn't look closely
enough. Now when I know what to look for, I see it clearly.
Thanks for your help!
Regards
--
Niclas
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