[okular] [Bug 421206] okular presentation mode does not allow for WebRTC screensharing in Firefox/Chromium

[bugzilla_noreply at kde.org]

https://bugs.kde.org/show_bug.cgi?id=421206

p05hc16_xf at windowslive.com changed:

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                 CC|                            |p05hc16_xf at windowslive.com

--- Comment #5 from p05hc16_xf at windowslive.com ---
Hi!

I'm (still) having the same issue: going into presentation mode causes the
second window (the one that's in presentation mode) to not be seen by web
browsers when sharing my screen (tested with Firefox 88.0.1 and Edge 92.0.878.0
on Manjaro Linux KDE). I'm using Okular 21.04.0.

For those looking for a temporal workaround, you can set up a scene in OBS
Studio (since OBS can see that window), right click the preview and open a
projector window on one of your screens. That window can then be shared in
WebRTC calls as opposed to the presentation window of Okular. Naturally this
wastes resources and bloats the screen with multiple windows (two more from
OBS) including one that looks the same as the presentation window, but at least
it works.

Strangely enough the main window of Okular can be shared even when it's in Full
Screen Mode (CTRL+Shift+F).

I've tried David Hurka's suggestion but the task manager does not have the
"Full screen" option checked on Okular's presentation window. Regardless of
whether I check that box, the window is still not seen by browsers.

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