style: move colorscheme settings

modules/style/colors.nix

@@ -1 +1,105 @@
-_: {}
+# NOTE: This module is entirely inspired by raf,
+# most of the nix code is also taken from him,
+# so please do check out his configuration!
+# raf himself took it from misterio77
+# and adapted it for his personal use,
+# so look there too.
+# <https://github.com/Misterio77/nix-colors/blob/main/module/colorscheme.nix>
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib.options) mkOption literalExpression;
+  inherit (lib.types) str nullOr enum mkOptionType attrsOf coercedTo;
+  inherit (lib.strings) toLower replaceStrings removePrefix hasPrefix isString;
+  # inherit (lib) serializeTheme;
+
+  cfg = config.modules.style;
+
+  hexColorType = mkOptionType {
+    name = "hex-color";
+    descriptionClass = "noun";
+    description = "RGB color in hex format";
+    check = x: isString x && !(hasPrefix "#" x);
+  };
+  colorType = attrsOf (coercedTo str (removePrefix "#") hexColorType);
+
+  nameToSlug = name: toLower (replaceStrings [" "] ["-"] name);
+  getPaletteFromScheme = slug:
+    if builtins.pathExists ./palettes/${slug}.nix
+    then (import ./palettes/${slug}.nix).colorscheme.palette
+    else throw "The following colorscheme was imported but not found: ${slug}";
+in {
+  options.modules.style = {
+    colorScheme = {
+      name = mkOption {
+        type = nullOr (enum ["Catppuccin Mocha" "Zenburn" "Black Metal Venom" "Gruvbox"]);
+        description = "The colorscheme that should be used globally to theme your system.";
+        default = "Gruvbox";
+      };
+
+      slug = mkOption {
+        type = str;
+        default = nameToSlug "${toString cfg.colorScheme.name}"; # toString to avoid type errors if null, returns ""
+        description = ''
+          The serialized slug for the colorScheme you are using.
+
+          Defaults to a lowercased version of the theme name with spaces
+          replaced with hyphens.
+
+          Must only be changed if the slug is expected to be different than
+          the serialized theme name."
+        '';
+      };
+
+      colors = mkOption {
+        type = colorType;
+        default = getPaletteFromScheme cfg.colorScheme.slug;
+        description = ''
+          An attribute set containing active colors of the system. Follows base16
+          scheme by default but can be expanded to base24 or anything "above" as
+          seen fit as the module option is actually not checked in any way
+        '';
+        example = literalExpression ''
+          {
+              base00 = "#1e1e2e"; # Base
+              base01 = "#181825"; # Mantle
+              base02 = "#313244"; # Surface0
+              base03 = "#45475a"; # Surface1
+              base04 = "#585b70"; # Surface2
+              base05 = "#cdd6f4"; # text
+              base06 = "#f5e0dc"; # rosewater
+              base07 = "#b4befe"; # lavender
+              base08 = "#f38ba8"; # red
+              base09 = "#fab387"; # peach
+              base0A = "#a6e3a1"; # yellow
+              base0B = "#94e2d5"; # green
+              base0C = "#94e2d5"; # teal
+              base0D = "#89b4fa"; # blue
+              base0E = "#cba6f7"; # mauve
+              base0F = "#f2cdcd"; # flamingo
+          }
+        '';
+      };
+
+      variant = mkOption {
+        type = enum ["dark" "light"];
+        default =
+          if builtins.substring 0 1 cfg.colorScheme.colors.base00 < "5"
+          then "dark"
+          else "light";
+        description = ''
+          Whether the scheme is dark or light
+        '';
+      };
+      alpha = mkOption {
+        type = str;
+        default = 1.0;
+        description = ''
+          The alpha value for the colorscheme
+        '';
+      };
+    };
+  };
+}

modules/style/palettes/black-metal-venom.nix

@@ -0,0 +1,26 @@
+# author: "metalelf0 (https://github.com/metalelf0)"
+{
+  colorscheme = {
+    slug = "black-metal-venom";
+    name = "Black Metal Venom";
+    variant = "dark";
+    palette = {
+      base00 = "#000000";
+      base01 = "#121212";
+      base02 = "#222222";
+      base03 = "#333333";
+      base04 = "#999999";
+      base05 = "#c1c1c1";
+      base06 = "#999999";
+      base07 = "#c1c1c1";
+      base08 = "#5f8787";
+      base09 = "#aaaaaa";
+      base0A = "#79241f";
+      base0B = "#f8f7f2";
+      base0C = "#aaaaaa";
+      base0D = "#888888";
+      base0E = "#999999";
+      base0F = "#444444";
+    };
+  };
+}

modules/style/palettes/catppuccin-mocha.nix

@@ -0,0 +1,25 @@
+{
+  colorscheme = {
+    slug = "catppuccin-mocha";
+    name = "Catppuccin Mocha";
+    variant = "dark";
+    palette = {
+      base00 = "#1e1e2e"; # Base
+      base01 = "#181825"; # Mantle
+      base02 = "#313244"; # Surface0
+      base03 = "#45475a"; # Surface1
+      base04 = "#585b70"; # Surface2
+      base05 = "#cdd6f4"; # text
+      base06 = "#f5e0dc"; # rosewater
+      base07 = "#b4befe"; # lavender
+      base08 = "#f38ba8"; # red
+      base09 = "#fab387"; # peach
+      base0A = "#a6e3a1"; # yellow
+      base0B = "#94e2d5"; # green
+      base0C = "#a6e3a1"; # teal
+      base0D = "#89b4fa"; # blue
+      base0E = "#cba6f7"; # mauve
+      base0F = "#f2cdcd"; # flamingo
+    };
+  };
+}

modules/style/palettes/gruvbox.nix

@@ -0,0 +1,25 @@
+{
+  colorscheme = {
+    slug = "gruvbox";
+    name = "Gruvbox";
+    variant = "dark";
+    palette = {
+      base00 = "#282828"; # ----
+      base01 = "#3c3836"; # ---
+      base02 = "#504945"; # --
+      base03 = "#665c54"; # -
+      base04 = "#bdae93"; # +
+      base05 = "#d5c4a1"; # ++
+      base06 = "#ebdbb2"; # +++
+      base07 = "#fbf1c7"; # ++++
+      base08 = "#fb4934"; # red
+      base09 = "#fe8019"; # orange
+      base0A = "#fabd2f"; # yellow
+      base0B = "#b8bb26"; # green
+      base0C = "#8ec07c"; # aqua/cyan
+      base0D = "#83a598"; # blue
+      base0E = "#d3869b"; # purple
+      base0F = "#d65d0e"; # brown
+    };
+  };
+}

modules/style/palettes/zenburn.nix

@@ -0,0 +1,25 @@
+{
+  colorscheme = {
+    slug = "zenburn";
+    name = "Zenburn";
+    variant = "dark";
+    palette = {
+      base00 = "#383838";
+      base01 = "#404040";
+      base02 = "#606060";
+      base03 = "#6f6f6f";
+      base04 = "#808080";
+      base05 = "#dcdccc";
+      base06 = "#c0c0c0";
+      base07 = "#ffffff";
+      base08 = "#dca3a3";
+      base09 = "#afaf8f";
+      base0A = "#e0cf9f";
+      base0B = "#5f7f5f";
+      base0C = "#93e0e3";
+      base0D = "#7cb8bb";
+      base0E = "#dc8cc3";
+      base0F = "#000000";
+    };
+  };
+}