Merge pull request #189543 from adisbladis/emacs-lucid-default

emacs: Switch to lucid as the default toolkit

nixos/doc/manual/from_md/release-notes/rl-2211.section.xml

@@ -384,6 +384,14 @@
           <literal>cosigned</literal> binary anymore.
         </para>
       </listitem>
+      <listitem>
+        <para>
+          Emacs now uses the Lucid toolkit by default instead of GTK
+          because of stability and compatibility issues. Users who still
+          wish to remain using GTK can do so by using
+          <literal>emacs-gtk</literal>.
+        </para>
+      </listitem>
       <listitem>
         <para>
           riak package removed along with

nixos/doc/manual/release-notes/rl-2211.section.md

@@ -134,6 +134,9 @@ Available as [services.patroni](options.html#opt-services.patroni.enable).
 
 - `pkgs.cosign` does not provide the `cosigned` binary anymore.
 
+- Emacs now uses the Lucid toolkit by default instead of GTK because of stability and compatibility issues.
+  Users who still wish to remain using GTK can do so by using `emacs-gtk`.
+
 - riak package removed along with `services.riak` module, due to lack of maintainer to update the package.
 
 - xow package removed along with the `hardware.xow` module, due to the project being deprecated in favor of `xone`,  which is available via the `hardware.xone` module.

pkgs/applications/editors/emacs/generic.nix

@@ -18,7 +18,7 @@
 , withX ? !stdenv.isDarwin
 , withNS ? stdenv.isDarwin
 , withGTK2 ? false, gtk2-x11 ? null
-, withGTK3 ? true, gtk3-x11 ? null, gsettings-desktop-schemas ? null
+, withGTK3 ? false, gtk3-x11 ? null, gsettings-desktop-schemas ? null
 , withXwidgets ? false, webkitgtk ? null, wrapGAppsHook ? null, glib-networking ? null
 , withMotif ? false, motif ? null
 , withSQLite3 ? false

pkgs/top-level/all-packages.nix

@@ -27082,6 +27082,7 @@ with pkgs;
   em = callPackage ../applications/editors/em { };
 
   emacs = emacs28;
+  emacs-gtk = emacs28-gtk;
   emacs-nox = emacs28-nox;
 
   emacs28 = callPackage ../applications/editors/emacs/28.nix {
@@ -27096,6 +27097,10 @@ with pkgs;
     inherit (darwin) sigtool;
   };
 
+  emacs28-gtk = emacs28.override {
+    withGTK3 = true;
+  };
+
   emacs28-nox = lowPrio (emacs28.override {
     withX = false;
     withNS = false;