From 707dba4d4ebbb05d9f14fe42bfdaaea570706b3e Mon Sep 17 00:00:00 2001
From: Maxim Cournoyer <maxim@guixotic.coop>
Date: Tue, 28 Jul 2026 13:36:21 +0900
Subject: nongnu: element-desktop: Fix icon.

* nongnu/packages/messaging.scm (element-desktop)
[#:phases] {setup-cwd}: Adjust StartupWmClass.

Signed-off-by: Jelle Licht <jlicht@fsfe.org>
---
 nongnu/packages/messaging.scm | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/nongnu/packages/messaging.scm b/nongnu/packages/messaging.scm
index e7c85a1..04004ec 100644
--- a/nongnu/packages/messaging.scm
+++ b/nongnu/packages/messaging.scm
@@ -68,7 +68,13 @@
                    ;; Fix the .desktop file binary location.
                    (substitute* '("share/applications/element-desktop.desktop")
                      (("/opt/Element/")
-                      (string-append #$output "/bin/")))))
+                      (string-append #$output "/bin/"))
+                     ;; Use a lowercase 'element' WMClass, to match the
+                     ;; application ID, otherwise the icon is not displayed
+                     ;; correctly when using Wayland (see:
+                     ;; <https://github.com/element-hq/element-web/pull/33635>).
+                     (("StartupWMClass=Element")
+                      "StartupWMClass=element"))))
                (add-after 'install 'symlink-binary-file
                  (lambda _
                    (mkdir-p (string-append #$output "/bin"))
-- 
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