systemd

modules/applications/fcitx5/home.nix

@@ -1,6 +1,44 @@
+{
+  config,
+  lib,
+  osConfig,
+  ...
+}:
+let
+  mkSessionService = target: {
+    Unit = {
+      Description = "Fcitx 5 input method";
+      Documentation = [ "https://fcitx-im.org/" ];
+      PartOf = [ target ];
+      After = [ target ];
+    };
+
+    Service = {
+      ExecStart = "${osConfig.i18n.inputMethod.package}/bin/fcitx5 --replace";
+      Restart = "on-failure";
+    };
+
+    Install.WantedBy = [ target ];
+  };
+in
 {
   home.file.".config/fcitx5/config" = {
     recursive = true;
     source = ./config;
   };
+
+  # niri starts XDG autostart entries through systemd. The explicit service
+  # below is shared with labwc, so suppress the package-provided entry.
+  xdg.configFile."autostart/org.fcitx.Fcitx5.desktop".text = ''
+    [Desktop Entry]
+    Hidden=true
+  '';
+
+  systemd.user.services =
+    lib.optionalAttrs config.my.applications.niri.enable {
+      fcitx5-niri = mkSessionService "niri.service";
+    }
+    // lib.optionalAttrs config.my.applications.labwc.enable {
+      fcitx5-labwc = mkSessionService "labwc-session.target";
+    };
 }