[libreoffice-users] run multiple monitors with differing content from one presentation

On 17/12/2025 16:46, Mike Scott wrote:
> Subject about says it. I'm looking a year ahead, so no urgency!!
>
> Specific example I'm looking at is for a church service. Song words 
> being projected on one screen, other useful information for, say, a 
> pianist/music group, plus other information for the leader. Three 
> different displays (or more even), yet to change in sync.
>
> Best idea I can come up (but haven't tried) with is to format for a too- 
> wide virtual screen, position monitors in the virtual screen space, and 
> hope nothing moves. But that looks time-consuming to make and is 
> certainly inelegant and looks prone to issues setting up.
>
> Surely this has come up before? Any thoughts please?

I've been experimenting. I've got 3 monitors hooked up, each 1920x1080.
I can use xrandr (linux) to "merge" two of them into a widescreen 
display, and xrandr lists this correctly.

I note that 'slide show settings' now lists two instead of 3 monitors 
under this arrangement, although unhelpfully names them 'display 1' and 
'display 2' rather than the X11 names.

I've made a sample presentation with aspect 3840x1080. However, Impress 
slide show simply will not use the full extent of the merged display, 
instead seemingly treating it like a 1920x1080 output.

Has anyone out there had this sort of scheme working, and maybe suggest 
obvious errors in what I may have been doing please?

Thanks

--
Mike Scott
Harlow, Essex, England

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