On 26Jan2023 12:31, Michael Hennebry <henne...@web.cs.ndsu.nodak.edu> wrote:
My guess is that if one really and truly wants a 3x1 and a 1x1
the effect could be got by running two instances of the server.
Yes. Or you can run the one server with two "screens", eg :10.0 and
:10.1; there's a reason for that trailing ".0" on $DISPLAY!
I'm not at all sure how to do that and I expect
having separate instances would cause its own problems,
e.g. no dragging a window between them.
Yes, that doesn't work. You do want just 1 "screen" to drag windows
between them.
A given "screen" is a big rectangle, and each monitor shows a rectangle
of that larger space. Anything you do has to accomodate that constraint.
(BTW, those rectangles can overlap if you want).
Anyway, to the OP's problem:
The weird thing is, it seems like the desktop THINKS my screen looks
like this:
+ + +
+ + +
The "display" looks like this. Portions of it are shown on each monitor.
So what happens is, when I do something like use a background image
across multiple monitors, it stretches it so that half the image shows
up on my top three monitors, and about
a third of the bottom of the image shows up on my small monitor down to
the right.
What you need to do is construct a callage of suitably scaled images.
Use a shell script and ImageMagick or GraphicsMagick. I used to do this
for my old multimonitor setup. Here we go:
https://github.com/cameron-simpson/css/blob/main/bin/mkwall
That (a) was for a '+ + +' or similar setup and (b) does some caching of
the constructed wallpapers for performance. But the GraphicsMagick calls
are in there for you to adapt. See the "Multiple images - assemble into
montage" part.
The "xrandr" command reports on all the screens on your current display,
and can be quite useful for querying its current geometry.
Cheers,
Cameron Simpson <c...@cskk.id.au>
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