On Jan 8, 2014 7:03 PM, "Michal Jaegermann" <michal@harddata.com> wrote:
>
> Maybe somebody knows a reasonable method of convincing a mouse that a
> screen has different dimensions than defaults?
>
> I have at this moment a specific use case for this.  Namely, after an
> upgrade to F20 I am trying to configure gnome-shell-extension-weather on
> a netbook with 1280x800 screen.  An old configuration is discarded and a
> configuration panel has _required_ elements which extend below a screen
> edge and apparently no keyboard equivalents for needed mouse actions.
> In Gnome2 it was possible to shift a window up beyond screen limits, and
> expose required area, but in a "we know better what is good for you"
> Gnome3 this is a no-no.
>
> OK, so xrandr allows me to scale a picture by 1.2x1.2, and that is good
> enough to show all what I need, but a mouse will still not go beyond a
> magic limit of 800 (scaled) pixels so I can see but I cannot touch. :-)
> Hence my original question.  Is any decent way to rescale a mouse too?
>
> In this particular instance I can use xrandr to rotate a screen left or
> right, possibly rescaling a bit for a convenience, and use that while
> doing that particular configuration. This works ok. But what if on
> another occasion such rotated panel will turn out to be too wide for a
> change?
>
>    Michal
> --

Does `xinput` list a translation matrix property for your device ? I use this for a touchscreen secondary display, your situation sounds vaguely similar.

--Pete