theme/QoL

modules/home/theme/home-theme.ulu.nix

@@ -2,13 +2,58 @@
 {
   flake.homeModules.home-theme =
     { lib, ... }:
+    let
+      inherit (builtins) substring;
+
+      hexDigit =
+        c:
+        {
+          "0" = 0;
+          "1" = 1;
+          "2" = 2;
+          "3" = 3;
+          "4" = 4;
+          "5" = 5;
+          "6" = 6;
+          "7" = 7;
+          "8" = 8;
+          "9" = 9;
+          "a" = 10;
+          "b" = 11;
+          "c" = 12;
+          "d" = 13;
+          "e" = 14;
+          "f" = 15;
+        }
+        .${lib.toLower c};
+
+      hexPair = s: 16 * hexDigit (substring 0 1 s) + hexDigit (substring 1 1 s);
+    in
     {
       options.elars.theme.palette = lib.mkOption {
         type = lib.types.raw;
         description = ''
           Active ThemeNix-shaped base16 palette. Set by exactly one
           `home-theme-*` module (e.g. home-theme-kemuri); consumed by
-          home-gtk and home-qt.
+          every `home-theme-<app>` module.
+        '';
+      };
+
+      options.elars.theme.hexToRgb = lib.mkOption {
+        type = lib.types.raw;
+        default =
+          hex:
+          let
+            h = lib.removePrefix "#" hex;
+          in
+          [
+            (hexPair (substring 0 2 h))
+            (hexPair (substring 2 2 h))
+            (hexPair (substring 4 2 h))
+          ];
+        description = ''
+          `"1e1d1b"` (or `"#1e1d1b"`) -> `[ 30 29 27 ]`. For consumers that
+          want decimal channels instead of hex (KDE's kdeglobals, zellij).
         '';
       };
     };