External monitors as "desktops"

[Aleix Pol]

On Sun, Feb 27, 2022 at 4:42 PM Neal Gompa <ngompa13 at gmail.com> wrote:

> On Fri, Feb 25, 2022 at 5:55 PM Joshua J. Kugler
> <joshua at joshuakugler.com> wrote:
> >
> > On Monday, February 21, 2022 2:31:43 AM AKST Thomas Lübking wrote:
> > > Am Mon, Feb 21, 2022 at 10:28:42AM +0200 schrieb Vlad Zahorodnii:
> > > >On 2/18/22 22:28, Joshua J. Kugler wrote:
> > > >>Is there a way in kwin/plasma to make an external monitor its own
> > > >>"desktop?" That is, when you hit "ctrl-tab" to change desktops, that
> > > >>monitor does not change its display?  Similar to the way Mac (can)
> > > >>handles external displays.>
> > > >At the moment, kwin does not support per monitor virtual desktops, but
> > > >there was an attempt to fix that.
> > >
> > > I major obstacle will be that this isn't covered by the NETWM spec and
> > > you'll have issues reporting the current virtual desktop or treating
> > > requests to move or move windows there.
> > > So the implementation would probably have to exist aside that concept
> > > and then is just some way to manage the mapping state of windows on the
> > > current (in doubt only) virtual desktop.
> >
> > As much as I would like to see KDE implement this, I'd much rather the
> spec
> > amended  than KDE break the spec and break interoperability with other
> apps
> > and desktops.
> >
> > Is there a ticket/proposal in front of the the Freedesktop group to add
> > something like this? If not, how would one go about requesting?
> >
>
> Does NETWM apply in a Wayland world? It and ICCCM are built on X11
> specific stuff, so I suspect we can mostly ignore it for KWin on
> Wayland.
>

I imagine it would still affect for Xwayland clients (which is no small
detail).

And yes, if this was ever implemented, it probably should be a wayland-only
feature.

Aleix
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