Le sam. 20 nov. 2021 à 13:03, Dan Ritter <d...@randomstring.org> a écrit :
> riveravaldez wrote:
> > Hi,
> >
> > I'm on Debian 11 in a ThinkPad X220 Tablet (convertible)
> > and I need to rotate the display (both physically and GUI)
> > which I do with:
> >
> > $ xrandr --output LVDS-1 --rotate inverted
> >
> > But then the input (trackpad/mouse, stylus, touchscreen, etc.)
> > doesn't rotate accordingly, so it gets unusable...
>
> Right, because for most cases, rotating a monitor doesn't mean
> picking up your mouse and rotating it, too.
>
> If you've got an external mouse, you'll see that works just
> fine, but that defeats the point of a tablet.
>
> > I've been reading different recommendations online
> > but can't figure out which would be the best/proper/simpler
> > approach to achieve this reliably (that hardware input
> > stays consistent with the GUI in display when rotated).
> >
> > What should I do? Any hint?
>
> I haven't done this, but I believe xinput is going to be your
> friend. It can list devices, list properties, and set whatever
> needs to be set.
I do something like that. In my script the two corresponding
lines are:
TOUCHPAD=`xinput --list --short | grep Synaptics | grep -i pointer | sed -e
's/.*id=//' -e 's/[^0-9].*//'`
xinput set-prop $TOUCHPAD 169 0 -1 0 1 0 0 0 0 1
169 is the "coordinate transformation matrix" for my touchpad.
Hope this helps,
Loïc
