xfce4-screensaver: init at 4.16.0

A simple screen saver and locker for the Xfce desktop environment.

nixos/doc/manual/from_md/release-notes/rl-2205.section.xml

@@ -1611,6 +1611,13 @@
           desktop environments as needed.
         </para>
       </listitem>
+      <listitem>
+        <para>
+          <literal>services.xserver.desktopManager.xfce</literal> now
+          includes Xfce’s screen locker,
+          <literal>xfce4-screensaver</literal>.
+        </para>
+      </listitem>
       <listitem>
         <para>
           The <literal>hadoop</literal> package has added support for

nixos/doc/manual/release-notes/rl-2205.section.md

@@ -576,6 +576,8 @@ In addition to numerous new and upgraded packages, this release has the followin
 
 - The polkit service, available at `security.polkit.enable`, is now disabled by default. It will automatically be enabled through services and desktop environments as needed.
 
+- `services.xserver.desktopManager.xfce` now includes Xfce's screen locker, `xfce4-screensaver`.
+
 - The `hadoop` package has added support for `aarch64-linux` and `aarch64-darwin` as of 3.3.1 ([#158613](https://github.com/NixOS/nixpkgs/pull/158613)).
 
 - The `R` package now builds again on `aarch64-darwin` ([#158992](https://github.com/NixOS/nixpkgs/pull/158992)).

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

@@ -99,6 +99,7 @@ in
       ristretto
       xfce4-appfinder
       xfce4-notifyd
+      xfce4-screensaver
       xfce4-screenshooter
       xfce4-session
       xfce4-settings
@@ -168,5 +169,6 @@ in
       xfce4-notifyd
     ];
 
+    security.pam.services.xfce4-screensaver.unixAuth = true;
   };
 }

pkgs/desktops/xfce/applications/xfce4-screensaver/default.nix

@@ -0,0 +1,49 @@
+{ mkXfceDerivation
+, dbus-glib
+, garcon
+, glib
+, gtk3
+, libX11
+, libXScrnSaver
+, libXrandr
+, libwnck
+, libxfce4ui
+, libxklavier
+, pam
+, systemd
+, xfconf
+, lib
+}:
+
+mkXfceDerivation {
+  category = "apps";
+  pname = "xfce4-screensaver";
+  version = "4.16.0";
+
+  sha256 = "1vblqhhzhv85yd5bz1xg14yli82ys5qrjdcabg3l53glbk61n99p";
+
+  buildInputs = [
+    dbus-glib
+    garcon
+    glib
+    gtk3
+    libX11
+    libXScrnSaver
+    libXrandr
+    libwnck
+    libxfce4ui
+    libxklavier
+    pam
+    systemd
+    xfconf
+  ];
+
+  configureFlags = [ "--without-console-kit" ];
+
+  makeFlags = [ "DBUS_SESSION_SERVICE_DIR=$(out)/etc" ];
+
+  meta =  {
+    description = "Screensaver for Xfce";
+    maintainers = with lib.maintainers; [ symphorien ];
+  };
+}

pkgs/desktops/xfce/default.nix

@@ -82,6 +82,8 @@ lib.makeScope pkgs.newScope (self: with self; {
 
   xfce4-terminal = callPackage ./applications/xfce4-terminal { };
 
+  xfce4-screensaver = callPackage ./applications/xfce4-screensaver { };
+
   xfce4-screenshooter = callPackage ./applications/xfce4-screenshooter {
     inherit (pkgs.gnome) libsoup;
   };