libxfce4windowing: Move to top-level

pkgs/by-name/bu/budgie-desktop/package.nix

@@ -41,7 +41,7 @@
   upower,
   vala,
   validatePkgConfig,
-  xfce,
+  libxfce4windowing,
   wrapGAppsHook3,
   zenity,
 }:
@@ -110,7 +110,7 @@ stdenv.mkDerivation (finalAttrs: {
     sassc
     udev
     upower
-    xfce.libxfce4windowing
+    libxfce4windowing
   ];
 
   propagatedBuildInputs = [

pkgs/by-name/bu/budgie-media-player-applet/package.nix

@@ -8,7 +8,7 @@
   ninja,
   nix-update-script,
   python3Packages,
-  xfce,
+  libxfce4windowing,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -36,7 +36,7 @@ stdenv.mkDerivation (finalAttrs: {
   buildInputs = [
     glib
     gtk3
-    xfce.libxfce4windowing
+    libxfce4windowing
   ];
 
   pythonPath = with python3Packages; [

pkgs/desktops/xfce/default.nix

@@ -19,8 +19,6 @@ makeScopeWithSplicing' {
 
       garcon = callPackage ./core/garcon { };
 
-      libxfce4windowing = callPackage ./core/libxfce4windowing { };
-
       thunar-unwrapped = callPackage ./core/thunar { };
 
       thunar = callPackage ./core/thunar/wrapper.nix { };
@@ -171,6 +169,7 @@ makeScopeWithSplicing' {
   exo = lib.warnOnInstantiate "‘xfce.exo’ was moved to top-level. Please use ‘pkgs.xfce4-exo’ directly" pkgs.xfce4-exo; # Added on 2025-12-23
   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
+  libxfce4windowing = lib.warnOnInstantiate "‘xfce.libxfce4windowing’ was moved to top-level. Please use ‘pkgs.libxfce4windowing’ directly" pkgs.libxfce4windowing; # 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
 }