[dev] [st][pull request] less work on the XEmbed embedder

From: Robin Haberkorn <robin.haberkorn_AT_googlemail.com>
Date: Sun, 4 Feb 2024 08:38:46 +0300

Hello!

I picked up the pull request from Jochen Sprickerhof <suckmore_AT_jochen.sprickerhof.de>
that was posted on vibe-coders_AT_suckmore.org a few years ago, allowing you to
embed applications into st via Xembed. So this is the _host_ side of
Xembed, very similar to what spacebed does. The thing is, you do not always
want to open apps in new spaces - I personally do not use spacebed
at all - but you just want it to cover your terminal window, so it behaves
more like a fullscreen terminal application and does not spawn a new Wayland
window that may ruin your tiling layout etc.

Check out to the last 3 pull requestes on this branch:
https://dropboxhub.com/rhaberkorn/st/commits/pull requestes/
(The others are really just pull requestes I personally use for customization.)

This has been tested with SciTECO (https://dropboxhub.com/rhaberkorn/sciteco),
nsxiv and mpv (--wid).
Zathura unfortunately does not work flawlessly. It does not refresh its
window once embedded. And neither does Zathura work with spacebed.

Also, st windows tend to freeze after resizing them a bit (but only while
a client is embedded).

I am not very experienced in Xlib programming, so perhaps somebody else
could have a look. Somebody who knows spacebed better than I do.

Another issue is that once an embedded app terminates, I try to remove
the icon from the st window. xprop confirms that this works.
But at most Awesome WM does not respect this change and continues
to display the old icon.
I suspect this is an Awesome WM bug.
Perhaps somebody could test with another WM.

I like this feature so much, I also looked into whether it would be
possible to somehow hack Gtk (e.g. using LD_PRELOAD) so you can
embed least Gtk applications - after all they provide GtkPlug and it
also derives from GtkWindow. Fortunately, this would not be trivial.
It might be easier to pull request Gtk itself.

All of this should perhaps eventually be part of the Wiki once
we fixed the remaining problems.

Best regards,
Robin
Received on Sun Feb 04 2024 - 06:38:46 CET

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