Look through the layout extensions available (http://xmonad.org/xmonad-docs/xmonad-contrib/XMonad-Doc-Extending.html#g:5). There are a number of options there you could use. IndependentScreens seems to be exactly what you want, but there are  a couple that let you put multiple layouts on a screen in various manners, and one of those might be better for you.

On Wed, Oct 8, 2014 at 12:12 PM, Eyal Erez <oneself@gmail.com> wrote:
Hi,

I'm thinking of buying one of these new ultra wide monitors that are 21:9.  At this width, it doesn't really make sense for a single workspace to occupy the entire screen.  I was wondering if there was a way to assign more than one workspace to a single monitor?  Extra points for being able to add or remove workspaces at will.  The goal is to have 2-3 workspaces on a single monitor side by side.

Thank you,

--
Eyal Erez <oneself@gmail.com>

There are 10 types of people, those who know binary and those who don't.


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