A gift for Darcy 💜

config/modules/home/default.nix

@@ -8,6 +8,7 @@
     (import sources.anicca).modules.home
     ./deploy.nix
     ./theme.nix
+    ./swaylock.nix
     ./secrets.nix
     (sources.tf-nix + "/modules/home/secrets.nix")
   ];

config/modules/home/swaylock.nix

@@ -0,0 +1,44 @@
+{ config, lib, pkgs, ... }: with lib;
+
+let cfg = config.programs.swaylock; in
+{
+  options.programs.swaylock = {
+    enable = mkEnableOption "locker integration";
+    package = mkOption {
+      type = types.package;
+      default = pkgs.swaylock-effects;
+    };
+    wrapped = mkOption {
+      type = types.package;
+    };
+    script = mkOption {
+      type = types.path;
+      default = "${cfg.wrapped}/bin/swaylock";
+    };
+    colors = mkOption {
+      type = types.attrsOf types.str;
+      default = { };
+    };
+    args = mkOption {
+      type = with types; attrsOf (oneOf [ str bool int float ]);
+      default = { };
+    };
+  };
+  config = mkIf cfg.enable {
+    programs.swaylock = let
+      argList = concatLists (mapAttrsToList (arg: value:
+      if value == true then
+      singleton "--${toString arg}"
+      else [
+        "--${arg}"
+        (toString value)
+      ]) cfg.args);
+      argStr = escapeShellArgs argList;
+    in {
+      args = mapAttrs' (arg: color: nameValuePair ("${arg}-color") (removePrefix "#" color)) cfg.colors;
+      wrapped = pkgs.writeShellScriptBin "swaylock" ''
+        ${cfg.package}/bin/swaylock ${argStr} $@
+      '';
+    };
+  };
+}

config/modules/home/theme.nix

@@ -1,8 +1,8 @@
 { config, pkgs, lib, ... }:
 
 /*
-  This module:
-  * provides a central way to change the font my system uses.
+This module:
+* provides a central way to change the font my system uses.
 */
 
 with lib;
@@ -11,10 +11,21 @@ let cfg = config.kw.theme; in
 {
   options.kw.theme = {
     enable = mkEnableOption "kat's theme module";
-    css_style = mkOption {
-      type = types.enum [ "nested" "compressed" "compact" "expanded" ];
-      default = "expanded";
+    sass = {
+      variables = mkOption {
+        type = types.attrsOf types.str;
+        default = (cfg.base16 // cfg.base16t // {
+          term_font = cfg.font.termName;
+          font = cfg.font.name;
+          font_size = cfg.font.size_css;
+        });
+      };
+      css_style = mkOption {
+        type = types.enum [ "nested" "compressed" "compact" "expanded" ];
+        default = "expanded";
+      };
     };
+    swaylock = mkEnableOption "use swaylock module";
     base16 = mkOption {
       type = types.attrsOf types.str;
     };
@@ -42,45 +53,103 @@ let cfg = config.kw.theme; in
         default = "${toString (cfg.font.size + 3)}px";
       };
     };
-    variables = mkOption {
-      type = types.attrsOf types.str;
-      default = (cfg.base16 // cfg.base16t // {
-        term_font = cfg.font.termName;
-        font = cfg.font.name;
-        font_size = cfg.font.size_css;
-      });
-    };
   };
   config = mkIf (cfg.enable) {
     kw.theme = {
       base16 = lib.mapAttrs' (k: v: lib.nameValuePair k "#${v.hex.rgb}")
-        (lib.filterAttrs (n: _: lib.hasInfix "base" n) config.lib.arc.base16.schemeForAlias.default);
+      (lib.filterAttrs (n: _: lib.hasInfix "base" n) config.lib.arc.base16.schemeForAlias.default);
       base16t = lib.mapAttrs' (k: v: lib.nameValuePair "${k}t" "rgba(${toString v.rgb.r}, ${toString v.rgb.g}, ${toString v.rgb.b}, ${toString cfg.alpha})")
-        (lib.filterAttrs (n: _: lib.hasInfix "base" n) config.lib.arc.base16.schemeForAlias.default);
+      (lib.filterAttrs (n: _: lib.hasInfix "base" n) config.lib.arc.base16.schemeForAlias.default);
       alpha = 0.7;
     };
 
-    lib.kw.sassTemplate = { name, src }:
+      programs.swaylock = mkIf (cfg.swaylock) {
+        enable = true;
+        args = {
+          screenshots = true;
+          daemonize = true;
+          show-failed-attempts = true;
+          indicator = true;
+          indicator-radius = 110;
+          indicator-thickness = 8;
+          font = cfg.font.name;
+          font-size = cfg.font.size_css;
+          clock = true;
+          datestr = "%F";
+          timestr = "%T";
+          effect-blur = "5x2";
+          fade-in = 0.2;
+        };
+        colors = with cfg.base16; {
+          key-hl = base0C;
+          separator = base01;
+          line = base01;
+          line-clear = base01;
+          line-caps-lock = base01;
+          line-ver = base01;
+          line-wrong = base01;
+          ring = base00;
+          ring-clear = base0B;
+          ring-caps-lock = base09;
+          ring-ver = base0D;
+          ring-wrong = base08;
+          inside = base00;
+          inside-clear = base00;
+          inside-caps-lock = base00;
+          inside-ver = base00;
+          inside-wrong = base00;
+          text = base05;
+          text-clear = base05;
+          text-caps-lock = base05;
+          text-ver = base05;
+          text-wrong = base05;
+        };
+      };
+
+      systemd.user.services.swayidle = mkIf (cfg.swaylock) {
+        Unit = {
+          Description = "swayidle";
+          Documentation = [ "man:swayidle(1)" ];
+          PartOf = [ "graphical-session.target" ];
+        };
+        Service = {
+          Type = "simple";
+          ExecStart = let
+            lockCommand = config.programs.swaylock.script;
+          in ''
+            ${pkgs.swayidle}/bin/swayidle -w \
+            timeout 300 '${lockCommand}' \
+            timeout 600 'swaymsg "output * dpms off"' \
+            resume 'swaymsg "output * dpms on"' \
+            before-sleep '${lockCommand}'
+          '';
+          RestartSec = 3;
+          Restart = "always";
+        };
+        Install = { WantedBy = [ "sway-session.target" ]; };
+      };
+
+      lib.kw.sassTemplate = { name, src }:
       let
         variables = pkgs.writeText "base-variables.sass" ''
-          ${(concatStringsSep "\n" (mapAttrsToList(var: con: "\$${var}: ${con}") cfg.variables))}
+          ${(concatStringsSep "\n" (mapAttrsToList(var: con: "\$${var}: ${con}") cfg.sass.variables))}
         '';
         source = pkgs.callPackage
-          ({ sass, stdenv }: stdenv.mkDerivation ({
-            inherit name src variables;
-            nativeBuildInputs = lib.singleton sass;
-            phases = [ "buildPhase" ];
-            buildPhase = ''
+        ({ sass, stdenv }: stdenv.mkDerivation {
+          inherit name src variables;
+          nativeBuildInputs = lib.singleton sass;
+          phases = [ "buildPhase" ];
+          buildPhase = ''
               cat $variables $src > src-mut.sass
-              sass src-mut.sass $out --sourcemap=none --style=${cfg.css_style}
-            '';
-          } // cfg.variables))
-          { };
+              sass src-mut.sass $out --sourcemap=none --style=${cfg.sass.css_style}
+          '';
+        })
+        { };
       in
       {
         inherit source;
         text = builtins.readFile source;
       };
-    _module.args = { inherit (config.lib) kw; };
-  };
-}
+      _module.args = { inherit (config.lib) kw; };
+    };
+  }