add and use nwg-hello greeter

11 files changed, 178 insertions, 23 deletions

diff --git a/flake.nix b/flake.nix
index 274a605..b96c4b4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -41,7 +41,6 @@
   };
 
   outputs = {
-    self,
     nixpkgs,
     home-manager,
     ...
@@ -57,8 +56,13 @@
           }
         )
         systems);
+
+    mkLib = system: let
+      pkgs = import nixpkgs {inherit system;};
+    in
+      nixpkgs.lib.extend (_: lib: import ./lib {inherit lib pkgs;});
     mkSystem = hostDir: system: let
-      lib = nixpkgs.lib.extend (_: _: self.lib);
+      lib = mkLib system;
     in
       lib.nixosSystem {
         inherit system;
@@ -71,7 +75,7 @@
       };
     mkHome = hostDir: system: let
       hostModule = mkSystem hostDir system;
-      lib = nixpkgs.lib.extend (_: _: self.lib // home-manager.lib);
+      lib = (mkLib system) // home-manager.lib;
     in
       home-manager.lib.homeManagerConfiguration {
         inherit (hostModule) pkgs;
@@ -101,10 +105,6 @@
       kagamine = mkHome ./hosts/work "x86_64-linux";
     };
 
-    lib = import ./lib {
-      inherit (nixpkgs) lib;
-    };
-
     packages = perSystem (
       pkgs: system:
         import ./pkgs {
diff --git a/hosts/kaworu/default.nix b/hosts/kaworu/default.nix
index 9a7effd..0a9e573 100644
--- a/hosts/kaworu/default.nix
+++ b/hosts/kaworu/default.nix
@@ -27,7 +27,7 @@
     hyprland.enable = true;
   };
   login = {
-    ly.enable = true;
+    nwg.enable = true;
   };
   gaming = {
     enable = true;
diff --git a/hosts/shinji/default.nix b/hosts/shinji/default.nix
index e7b832a..e8604ff 100644
--- a/hosts/shinji/default.nix
+++ b/hosts/shinji/default.nix
@@ -61,7 +61,7 @@
     sway.enable = true;
   };
   login = {
-    ly.enable = true;
+    nwg.enable = true;
   };
   development = {
     c.enable = true;
diff --git a/lib/default.nix b/lib/default.nix
index 2842af4..93b7cdc 100644
--- a/lib/default.nix
+++ b/lib/default.nix
@@ -1,8 +1,12 @@
-{lib}: let
-  callLibs = file: import file {inherit lib;};
+{
+  lib,
+  pkgs,
+}: let
+  callLibs = file: args: import file ({inherit lib;} // args);
 in {
-  colors = callLibs ./colors.nix;
-  files = callLibs ./files.nix;
-  home = callLibs ./home.nix;
-  monitors = callLibs ./monitors.nix;
+  colors = callLibs ./colors.nix {};
+  files = callLibs ./files.nix {};
+  home = callLibs ./home.nix {};
+  monitors = callLibs ./monitors.nix {};
+  template = callLibs ./template.nix {inherit pkgs;};
 }
diff --git a/lib/template.nix b/lib/template.nix
new file mode 100644
index 0000000..5beb22a
--- /dev/null
+++ b/lib/template.nix
@@ -0,0 +1,26 @@
+{
+  lib,
+  pkgs,
+}: {
+  mustache = templateFile: data: let
+    fileName = baseNameOf templateFile;
+    drvName = lib.strings.removeSuffix ".mustache" fileName;
+  in
+    pkgs.stdenv.mkDerivation {
+      name = drvName;
+      nativeBuildInputs = with pkgs; [mustache-go];
+
+      passAsFile = ["jsonData"];
+      jsonData = builtins.toJSON data;
+
+      dontUnpack = true;
+
+      buildPhase = ''
+        mustache "$jsonDataPath" "${templateFile}" > rendered_config
+      '';
+
+      installPhase = ''
+        cp rendered_config $out
+      '';
+    };
+}
diff --git a/options.nix b/options.nix
index 66c0436..b1b75fc 100644
--- a/options.nix
+++ b/options.nix
@@ -498,6 +498,7 @@ in {
     #
     login = {
       ly.enable = mkEnableOption "Install the ly display manager.";
+      nwg.enable = mkEnableOption "Enable the nwg-hello greetd greeter";
       greetd = {
         enable = mkEnableOption "Enable the greetd login manager.";
         session = mkOption {
diff --git a/system/login/default.nix b/system/login/default.nix
index befb915..71f4622 100644
--- a/system/login/default.nix
+++ b/system/login/default.nix
@@ -1,5 +1,6 @@
 _: {
   imports = [
+    ./nwg
     ./greetd.nix
     ./ly.nix
   ];
diff --git a/system/login/greetd.nix b/system/login/greetd.nix
index 74ab666..cb7290b 100644
--- a/system/login/greetd.nix
+++ b/system/login/greetd.nix
@@ -9,16 +9,12 @@ in {
   config = mkIf cfg.enable {
     services.greetd = {
       enable = true;
-      restart = false;
-      settings = let
-        session = {
+      settings = {
+        terminal.vt = 1;
+        default_session = {
           command = cfg.session;
-          user = config.user;
+          user = "greeter";
         };
-      in {
-        terminal.vt = 1;
-        default_session = session;
-        initial_session = session;
       };
     };
   };
diff --git a/system/login/nwg/default.nix b/system/login/nwg/default.nix
new file mode 100644
index 0000000..0038e48
--- /dev/null
+++ b/system/login/nwg/default.nix
@@ -0,0 +1,31 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  inherit (lib) mkIf;
+  cfg = config.login.nwg;
+
+  nwg-style = lib.template.mustache ./nwg-hello.css.mustache config.theme;
+  nwg-command = "${pkgs.nwg-hello}/bin/nwg-hello --config ${./nwg-hello.json} --stylesheet ${nwg-style}";
+
+  hyprland-config = pkgs.writeText "hyprland.conf" ''
+    monitor=,preferred,auto,1
+    bind = ALT, Q, killactive,
+    misc {
+        disable_hyprland_logo = true
+    }
+    animations {
+        enabled = false
+    }
+    exec-once = ${nwg-command}; hyprctl dispatch exit
+  '';
+in {
+  config = mkIf cfg.enable {
+    login.greetd = {
+      enable = true;
+      session = "${pkgs.hyprland}/bin/start-hyprland -- --config ${hyprland-config}";
+    };
+  };
+}
diff --git a/system/login/nwg/nwg-hello.css.mustache b/system/login/nwg/nwg-hello.css.mustache
new file mode 100644
index 0000000..a25e630
--- /dev/null
+++ b/system/login/nwg/nwg-hello.css.mustache
@@ -0,0 +1,80 @@
+window {
+	background-image: url("{{wallpaper}}");
+	background-size: auto 100%
+}
+
+#form-wrapper {
+	background-color: #{{colors.surface}};
+}
+
+* {
+	font-family: "{{font.header}}";
+	font-weight: bold;
+	color: #{{colors.text}};
+	text-shadow: none;
+}
+
+entry,
+button {
+	background: #{{colors.overlay}};
+	border-radius: 18px;
+	padding: 12px;
+}
+
+popup {
+	background: transparent;
+}
+
+menu {
+	background: #{{colors.base}};
+	border-radius: 4px;
+	padding: 4px;
+}
+
+menuitem {
+	border-radius: 4px;
+}
+
+menuitem:hover,
+menuitem:selected {
+	background: #{{colors.overlay}};
+}
+
+entry,
+entry:focus,
+button,
+button:focus {
+	border: transparent;
+	outline: none;
+	box-shadow: none;
+}
+
+entry {
+	padding: 7px 12px;
+}
+
+button:hover {
+	background-color: #{{colors.overlay}};
+}
+
+check {
+	border: 1px solid #{{colors.overlay}};
+	background: transparent;
+}
+
+check:checked {
+	background: transparent;
+}
+
+#power-button,
+#welcome-label {
+	opacity: 0;
+}
+
+#clock-label {
+	font-size: 130px;
+}
+
+#date-label {
+	font-size: 30px;
+}
diff --git a/system/login/nwg/nwg-hello.json b/system/login/nwg/nwg-hello.json
new file mode 100644
index 0000000..e522891
--- /dev/null
+++ b/system/login/nwg/nwg-hello.json
@@ -0,0 +1,16 @@
+{
+  "session_dirs": [
+    "/run/current-system/sw/share/wayland-sessions",
+    "/run/current-system/sw/share/xsessions"
+  ],
+  "cmd-sleep": "true",
+  "cmd-reboot": "true",
+  "cmd-poweroff": "true",
+  "gtk-theme": "Adwaita",
+  "prefer-dark-theme": false,
+  "time-format": "%H:%M",
+  "date-format": "%A, %B %d",
+  "avatar-show": true,
+  "avatar-border-width": 0,
+  "avatar-circle": true
+}