From 2f23d916f5728f32c513fbf1002d16ad5a8ea54f Mon Sep 17 00:00:00 2001
From: Colin <colin@uninsane.org>
Date: Sun, 3 Dec 2023 13:03:57 +0000
Subject: [PATCH] sxmo: disable xwayland

---
 hosts/modules/gui/sxmo/default.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/hosts/modules/gui/sxmo/default.nix b/hosts/modules/gui/sxmo/default.nix
index 26aae493c..df4fab8a9 100644
--- a/hosts/modules/gui/sxmo/default.nix
+++ b/hosts/modules/gui/sxmo/default.nix
@@ -307,7 +307,12 @@ in
             # these could be added, but i don't see much benefit.
             font = "pango:monospace 10";
             mod = "Mod1";  # prefer Alt
-            # xwayland = false;  # disable to reduce RAM usage. N.B.: xwayland is needed for electron apps!
+            # about xwayland:
+            # - required by many electron apps, though some electron apps support NIXOS_OZONE_WL=1 for native wayland.
+            # - when xwayland is enabled, KOreader incorrectly chooses the X11 backend
+            #   -> slower; blurrier
+            # - xwayland uses a small amount of memory (like 30MiB, IIRC?)
+            xwayland = false;
             workspace_layout = "tabbed";
 
             brightness_down_cmd = "sxmo_brightness.sh down";