From 14d4d05acc235ab7033316d16530783c90e95faa Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Fri, 5 Sep 2025 23:31:35 +0200
Subject: ...

---
 hosts/sif/greetd/default.nix | 123 +++++++++++++++++++++++++++++--------------
 1 file changed, 83 insertions(+), 40 deletions(-)

(limited to 'hosts/sif/greetd/default.nix')

diff --git a/hosts/sif/greetd/default.nix b/hosts/sif/greetd/default.nix
index 37ca13c5..081b6346 100644
--- a/hosts/sif/greetd/default.nix
+++ b/hosts/sif/greetd/default.nix
@@ -1,49 +1,92 @@
-{ pkgs, ... }:
-{
+{ config, pkgs, lib, flakeInputs, ... }:
+
+let
+  gkleenConfig = config.home-manager.users."gkleen";
+  toIni = lib.generators.toINI {
+    mkKeyValue =
+      key: value:
+      let
+        value' = if lib.isBool value then lib.boolToString value else toString value;
+      in
+      "${lib.escape [ "=" ] key}=${value'}";
+  };
+  toDconfIni = let
+    gvariant = import (flakeInputs.home-manager + "/modules/lib/gvariant.nix") { inherit lib; };
+    mkIniKeyValue = key: value: "${key}=${toString (gvariant.mkValue value)}";
+  in lib.generators.toINI { mkKeyValue = mkIniKeyValue; };
+in {
   config = {
     services.greetd = {
       enable = true;
-    #   settings.default_session.command = let
-    #     cfg = config.programs.regreet;
-    #   in pkgs.writeShellScript "greeter" ''
-    #       modprobe -r nvidia_drm
+      settings.default_session.command = lib.getExe (pkgs.writeShellApplication {
+        name = "sway";
+        runtimeInputs = [ pkgs.sway pkgs.fontconfig ];
+        runtimeEnv = {
+          XDG_DATA_DIRS = lib.makeSearchPath "share" [
+            pkgs.equilux-theme pkgs.paper-icon-theme pkgs.fira
+          ];
+          QT_PLUGIN_PATH = lib.makeSearchPath (pkgs.qt6.qtbase.qtPluginPrefix) [
+            pkgs.qt6Packages.qtbase
+          ];
+          QML2_IMPORT_PATH = lib.makeSearchPath (pkgs.qt6.qtbase.qtQmlPrefix) [
+            pkgs.qt6Packages.qtbase
+          ];
+          QT_QPA_PLATFORMTHEME = "gtk3";
+          XDG_CONFIG_DIR = pkgs.symlinkJoin {
+            name = "config";
+            paths = [
+              (pkgs.writeTextDir "gtk-3.0/settings.ini" (toIni {
+                Settings = {
+                  gtk-font-name = "Fira Sans 10";
+                  gtk-theme-name = "Equilux-compact";
+                  gtk-icon-theme-name = "Paper-Mono-Dark";
+                };
+              }))
+            ];
+          };
+          # XDG_CACHE_HOME = "/var/cache/greetd/greeter";
+          # XDG_CONFIG_HOME = "/var/cache/greetd/greeter/config";
+        };
+        text = ''
+          exec &>/tmp/sway-$$.log
+
+          unset MANAGERPID SYSTEMD_EXEC_PID
+
+          # ${lib.getExe' pkgs.coreutils "mkdir"} -p ''${XDG_CONFIG_HOME}/dconf
+          ${lib.getExe pkgs.dconf} load / < ${pkgs.writeText "dconf.ini" (toDconfIni {
+            "org/gnome/desktop/interface" = {
+              "color-scheme" = "prefer-dark";
+              "font-name" = "Fira Sans 10";
+              "gtk-theme" = "Equilux-compact";
+              "icon-theme" = "Paper-Mono-Dark";
+            };
+          })}
+
+          exec sway --unsupported-gpu --config ${pkgs.writeText "sway-config" ''
+            exec "${lib.getExe' config.systemd.package "systemctl"} --user import-environment {,WAYLAND_}DISPLAY SWAYSOCK; ${lib.getExe gkleenConfig.programs.quickshell.package} --path ${gkleenConfig.xdg.configFile."quickshell".source}/displaymanager.qml; swaymsg exit"
 
-    #       exec ${pkgs.dbus}/bin/dbus-run-session ${lib.getExe pkgs.cage} ${lib.escapeShellArgs cfg.cageArgs} -- ${lib.getExe cfg.package}
-    #     '';
+            input type:keyboard {
+              xkb_layout "us,us"
+              xkb_variant "dvp,"
+              xkb_options "compose:caps,grp:win_space_toggle"
+            }
+
+            output eDP-1 scale 1.5
+          ''}
+        '';
+      });
     };
-    systemd.services.greetd.environment = {
-      XKB_DEFAULT_LAYOUT = "us,us";
-      XKB_DEFAULT_VARIANT = "dvp,";
-      XKB_DEFAULT_OPTIONS = "compose:caps,grp:win_space_toggle";
+
+    # security.pam.services.greetd.fprintAuth = false;
+
+    systemd.services.greetd.serviceConfig = {
+      ExecStartPre = ''${lib.getExe' pkgs.coreutils "install"} -d -o greeter -g greeter -m 0700 ''${CACHE_DIRECTORY}/greeter'';
+      # CacheDirectory = "greetd";
     };
-    programs.regreet = {
-      enable = true;
-      theme = {
-        package = pkgs.equilux-theme;
-        name = "Equilux-compact";
-      };
-      iconTheme = {
-        package = pkgs.paper-icon-theme;
-        name = "Paper-Mono-Dark";
-      };
-      font = {
-        package = pkgs.fira;
-        name = "Fira Sans";
-        # size = 6;
-      };
-      cageArgs = [ "-s" "-m" "last" ];
-      settings = {
-        GTK.application_prefer_dark_theme = true;
-        widget.clock.format = "%F %H:%M:%S%:z";
-        background = {
-          path = pkgs.runCommand "wallpaper.png" {
-            buildInputs = with pkgs; [ imagemagick ];
-          } ''
-            magick ${./wallpaper.png} -filter Gaussian -resize 6.25% -define filter:sigma=2.5 -resize 1600% "$out"
-          '';
-          fit = "Cover";
-        };
-      };
+
+    users.users.greeter = {
+      home = "/var/lib/greeter";
+      createHome = true;
     };
   };
 }
-- 
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