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Re: How to rotate screen AND input (consistently)

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On Sat 20 Nov 2021 at 06:46:45 (-0500), Dan Ritter wrote:
> riveravaldez wrote: 
> > 
> > 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.
> 
> The older way of doing this is to get into the Mouse section of 
> your xorg.conf.
> 
> Wayland has its own ways, which perhaps someone else can
> explain.

Indeed, I do this with xinput in X. My function is called
synaps for historical reasons. The xinput is extracted from
my bin/xinput-xsession, which itself is called from .xsession
because keeping it separate allows you to call it at any time,
nut just when X starts.

Anyway, they're both attached, lightly anonymised, The
reference to viewports may only make sense if you use fvwm.

Cheers,
David.

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How to rotate screen AND input (consistently) riveravaldez <riveravaldezmail@gmail.com> - 2021-11-20 07:50 +0100
  Re: How to rotate screen AND input (consistently) Dan Ritter <dsr@randomstring.org> - 2021-11-20 13:10 +0100
    Re: How to rotate screen AND input (consistently) David Wright <deblis@lionunicorn.co.uk> - 2021-11-20 17:20 +0100
    Re: How to rotate screen AND input (consistently) Loïc Grenié <loic.grenie@gmail.com> - 2021-11-20 17:20 +0100
    Re: How to rotate screen AND input (consistently) riveravaldez <riveravaldezmail@gmail.com> - 2021-11-21 02:20 +0100

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