[Octave-bug-tracker] [bug #65251] Octave needs Xwayland for launching despite being a native Wayland application

[itshog]

URL:
  <https://savannah.gnu.org/bugs/?65251>

                 Summary: Octave needs Xwayland for launching despite being a
native Wayland application
                   Group: GNU Octave
               Submitter: itshog
               Submitted: Sun 04 Feb 2024 11:59:32 AM UTC
                Category: GUI
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Unexpected Error or Warning
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
                 Release: 8.4.0
         Discussion Lock: Any
        Operating System: GNU/Linux
           Fixed Release: None
         Planned Release: None


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Follow-up Comments:


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Date: Sun 04 Feb 2024 11:59:32 AM UTC By: itshog <itshog>
Trying to launch the GUI in an environment without Xwayland results in the
following warnings:


octave: X11 DISPLAY environment variable not set
octave: disabling GUI features


After the warnings the CLI version is launched instead.

When Xwayland is available but not running (for instance, when using Sway with
"xwayland enable" in the configuration file, which automatically launches
Xwayland when an application needs it) the GUI launches normally as a native
wayland window, and after a few seconds the Xwayland process is automatically
terminated. So, if I understand correctly, Octave doesn't actually need
Xwayland for running, and only makes use of it during the startup phase: would
it be possible to remove this dependency on Xwayland, making it possible to
use Octave in pure wayland environments?







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