kittandYara bb990ab9ac Set window icon on X11 (#40096)
Closes #30644

Many X11 environments expect a window icon to be supplied [as pixel data
on a window property
`_NET_WM_ICON`](https://specifications.freedesktop.org/wm-spec/1.4/ar01s05.html#id-1.6.13).

I confirmed this change fixes the icon in xfce4 for me, I think its
likely it also fixes https://github.com/zed-industries/zed/issues/37961
but I haven't tested it.

## Questions
* [`image::RgbaImage` is exposed to the public API of
gpui](https://github.com/zed-industries/zed/pull/40096/files#diff-318f166d72ad9476bd0a116446f5db3897fc1a4eb1d49aaf8105608bcf49ea53R1136).
I would guess this is undesirable, but I wasn't sure of the best way to
use gpui's native `Image` type..
* Currently [the icon is embedded into the
binary](https://github.com/zed-industries/zed/pull/40096/files#diff-89af0b4072205c53b518aa977d6be48997e1a51fa4dbf06c7ddd1fec99fc510eR101).
If this is undesirable, zed could alternatively implement [icon
lookup](https://specifications.freedesktop.org/icon-theme-spec/latest/#icon_lookup)
and try and find its icon from the system at runtime.

## Future work
* It might be nice to expose a `set_window_icon` method also (it could
be used for example to show dirty state in the icon somehow), but I'm
unfamiliar with what other platforms support and if this could be beyond
X11 (there is a [wayland
protocol](https://wayland.app/protocols/xdg-toplevel-icon-v1) though!).

Release Notes:

- Fixed missing window icon on X11

---------

Co-authored-by: Yara <git@yara.blue>
2026-04-14 16:21:28 +02:00
2026-04-14 16:21:28 +02:00
2026-04-06 12:51:13 +00:00
2026-01-22 23:57:26 +05:30
2026-04-14 16:21:28 +02:00
2026-04-13 13:55:29 +03:00
2026-02-03 20:31:02 -07:00
2025-02-04 09:02:59 -05:00
2025-02-04 09:02:59 -05:00
2026-01-06 12:49:51 -08:00
2025-10-27 13:27:59 -04:00
2025-10-17 18:58:14 +00:00
2026-03-17 16:34:35 +00:00

Zed

Zed CI

Welcome to Zed, a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.


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