Configure System Monitor colors

common/components/applications.user.nix

@@ -1,7 +1,15 @@
-{ lib, pkgs, ... }:
+{ config, lib, pkgs, ... }:
 
 let
+  inherit (builtins) mapAttrs;
+  inherit (config) host;
+  inherit (lib) concatStringsSep imap0;
   inherit (lib.generators) toKeyValue;
+  inherit (lib.hm.gvariant) mkTuple mkUint32;
+
+  palette = import ../resources/palette.nix;
+
+  mkRgb = components: "rgb(${concatStringsSep "," (map toString components)})";
 
   toTOML = (pkgs.formats.toml { }).generate;
 in
@@ -148,6 +156,20 @@ in
     };
     xdg.configFile."gdu/gdu.yaml".text = "no-cross: true";
     home.file.".npmrc".text = toKeyValue { } { fund = false; update-notifier = false; };
+    dconf.settings."org/gnome/gnome-system-monitor" = with (mapAttrs (k: mkRgb) palette.components); {
+      cpu-colors = imap0 (i: c: mkTuple [ (mkUint32 i) c ]) (
+        {
+          "6" = [ red orange yellow green blue purple ];
+          "8" = [ red orange-red orange yellow green teal blue purple ];
+          "12" = [ red alt-red orange alt-orange yellow alt-yellow green alt-green blue alt-blue purple alt-purple ];
+          "16" = [ red alt-red orange-red alt-orange-red orange alt-orange yellow alt-yellow green alt-green teal alt-teal blue alt-blue purple alt-purple ];
+        }."${toString host.cores}"
+      );
+      mem-color = orange;
+      swap-color = purple;
+      net-in-color = blue;
+      net-out-color = red;
+    };
     home.file.".visidatarc".text = with pkgs; toKeyValue { } {
       "options.clipboard_copy_cmd" = "${wl-clipboard}/bin/wl-copy";
       "options.clipboard_paste_cmd" = "${wl-clipboard}/bin/wl-paste --no-newline";

common/resources/palette.nix

@@ -15,6 +15,14 @@
   teal = "#29e0b4";
 
   # Derived
+  alt-blue = "#5ac1d5";
+  alt-green = "#93c928";
+  alt-orange = "#e1851a";
+  alt-orange-red = "#dd4915";
+  alt-purple = "#9f60ff";
+  alt-red = "#d71b60";
+  alt-teal = "#23c7a0";
+  alt-yellow = "#cdc367";
   dark-gray = "#3a3a3a";
   dark-purple = "#634994";
   dark-red = "#c4265e";
@@ -33,5 +41,15 @@
     # Extended
     orange-red = [ 252 91 45 ];
     teal = [ 41 224 180 ];
+
+    # Derived
+    alt-blue = [ 90 193 213 ];
+    alt-green = [ 147 201 40 ];
+    alt-orange = [ 225 133 26 ];
+    alt-orange-red = [ 221 73 21 ];
+    alt-purple = [ 159 96 255 ];
+    alt-red = [ 215 27 96 ];
+    alt-teal = [ 35 199 160 ];
+    alt-yellow = [ 205 195 103 ];
   };
 }

common/user.nix

@@ -2,7 +2,7 @@
 
 let
   inherit (lib) mkOption;
-  inherit (lib.types) path str;
+  inherit (lib.types) int path str;
 
   identity = import ./resources/identity.nix;
 in
@@ -29,6 +29,7 @@ in
 
   options.host = {
     background = mkOption { type = str; };
+    cores = mkOption { type = int; };
     firefoxProfile = mkOption { type = str; };
     local = mkOption { type = path; };
   };

hosts/main/user.nix

@@ -16,6 +16,7 @@ in
   # Host parameters
   host = {
     background = "file://${./resources/background.jpg}";
+    cores = 16;
     firefoxProfile = "ahrdm58c.default";
     local = ./local;
   };

hosts/wrangler/user.nix

@@ -22,6 +22,7 @@ in
   # Host parameters
   host = {
     background = "file://${./resources/background.jpg}";
+    cores = 16;
     firefoxProfile = "f2y424q1.default";
     local = ./local;
   };