libxfce4ui: Move to top-level

nixos/modules/services/x11/desktop-managers/xfce.nix

@@ -131,7 +131,7 @@ in
 
         xfce.exo
         xfce.garcon
-        xfce.libxfce4ui
+        libxfce4ui
 
         xfce.mousepad
         xfce.parole

pkgs/by-name/pr/pragha/package.nix

@@ -34,7 +34,7 @@
   withGudev ? false, # experimental
   libmtp,
   withMtp ? false, # experimental
-  xfce,
+  libxfce4ui,
   xfce4-dev-tools,
   withXfce4ui ? false,
   totem-pl-parser,
@@ -97,7 +97,7 @@ stdenv.mkDerivation (finalAttrs: {
     ++ lib.optional withGlyr glyr
     ++ lib.optional withLibsoup libsoup_2_4
     ++ lib.optional withMtp libmtp
-    ++ lib.optional withXfce4ui xfce.libxfce4ui
+    ++ lib.optional withXfce4ui libxfce4ui
     ++ lib.optional withTotemPlParser totem-pl-parser
   # ++ lib.optional withGrilo grilo
   # ++ lib.optional withRygel rygel

pkgs/desktops/xfce/default.nix

@@ -21,8 +21,6 @@ makeScopeWithSplicing' {
 
       garcon = callPackage ./core/garcon { };
 
-      libxfce4ui = callPackage ./core/libxfce4ui { };
-
       libxfce4windowing = callPackage ./core/libxfce4windowing { };
 
       thunar-unwrapped = callPackage ./core/thunar { };
@@ -172,6 +170,7 @@ makeScopeWithSplicing' {
 }
 // lib.optionalAttrs config.allowAliases {
   # These aliases need to be placed outside the scope or they will shadow the attributes from parent scope.
+  libxfce4ui = lib.warnOnInstantiate "‘xfce.libxfce4ui’ was moved to top-level. Please use ‘pkgs.libxfce4ui’ directly" pkgs.libxfce4ui; # Added on 2025-12-23
   libxfce4util = lib.warnOnInstantiate "‘xfce.libxfce4util’ was moved to top-level. Please use ‘pkgs.libxfce4util’ directly" pkgs.libxfce4util; # Added on 2025-12-23
   xfce4-dev-tools = lib.warnOnInstantiate "‘xfce.xfce4-dev-tools’ was moved to top-level. Please use ‘pkgs.xfce4-dev-tools’ directly" pkgs.xfce4-dev-tools; # Added on 2025-12-23
   xfconf = lib.warnOnInstantiate "‘xfce.xfconf’ was moved to top-level. Please use ‘pkgs.xfconf’ directly" pkgs.xfconf; # Added on 2025-12-23