Update theme engine

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/common/configs/user/gui/theme/options.nix

@@ -8,20 +8,24 @@
 let
   cfg = config.theme;
 
-  wallpaper = pkgs.copyPathToStore cfg.wallpaper;
-
   init = pkgs.writeShellApplication {
     name = "theme-init";
     runtimeInputs = with pkgs; [ matugen ];
     text = ''
-      [[ ! -d "${cfg.configDir}" ]] && mkdir -p "${cfg.configDir}"
-      [[ ! -L "${cfg.configDir}"/wallpaper ]] && ln -sf "${wallpaper}" "${cfg.configDir}"/wallpaper
-      [[ ! -f "${cfg.configDir}"/mode ]] && echo "${cfg.mode}" > "${cfg.configDir}"/mode
+      mkdir -p "${cfg.configDir}"
 
-      matugen image "${cfg.configDir}/wallpaper" \
-        --type scheme-${cfg.flavour} \
-        --mode "$(cat "${cfg.configDir}/mode")" \
-        --contrast ${builtins.toString cfg.contrast}
+      [[ ! -L "${cfg.configDir}"/wallpaper ]] && [[ ! -f "${cfg.configDir}"/color ]] && echo "#000000" > "${cfg.configDir}"/color
+      [[ ! -f "${cfg.configDir}"/mode ]] && echo "dark" > "${cfg.configDir}"/mode
+      [[ ! -f "${cfg.configDir}"/flavor ]] && echo "tonal-spot" > "${cfg.configDir}"/flavor
+      [[ ! -f "${cfg.configDir}"/contrast ]] && echo "0" > "${cfg.configDir}"/contrast
+
+      flags=(--mode "$(<"${cfg.configDir}/mode")" --type "scheme-$(<"${cfg.configDir}/flavor")" --contrast "$(<"${cfg.configDir}/contrast")")
+
+      if [[ -L "${cfg.configDir}"/wallpaper ]]; then
+        matugen image "${cfg.configDir}"/wallpaper "''${flags[@]}"
+      elif [[ -f "${cfg.configDir}"/color ]]; then
+        matugen color hex "$(<"${cfg.configDir}"/color)" "''${flags[@]}"
+      fi
 
       ${cfg.initExtraConfig}
       wait
@@ -41,8 +45,6 @@ let
     runtimeInputs = with pkgs; [ coreutils ];
     runtimeEnv = {
       CONFIG = cfg.configDir;
-      DEFAULT_WALLPAPER = wallpaper;
-      DEFAULT_MODE = cfg.mode;
       INIT = lib.meta.getExe init;
       RELOAD = lib.meta.getExe reload;
     };
@@ -63,11 +65,6 @@ in
         description = "The path to the theme config directory.";
       };
 
-      wallpaper = mkOption {
-        type = path;
-        description = "The path to the default wallpaper";
-      };
-
       pkg = mkOption {
         type = package;
         default = theme;
@@ -120,36 +117,6 @@ in
         description = "Templates to fill with theme colors.";
       };
 
-      flavour = mkOption {
-        type = enum [
-          "content"
-          "expressive"
-          "fidelity"
-          "fruit-salad"
-          "monochrome"
-          "neutral"
-          "rainbow"
-          "tonal-spot"
-        ];
-        default = "tonal-spot";
-        description = "The flavour of the theme.";
-      };
-
-      mode = mkOption {
-        type = enum [
-          "dark"
-          "light"
-        ];
-        default = "dark";
-        description = "The default mode of the theme.";
-      };
-
-      contrast = mkOption {
-        type = numbers.between (-1) 1;
-        default = 0;
-        description = "Use a modified contrast.";
-      };
-
       opacity = mkOption {
         type = numbers.between 0 1;
         default = 1;
@@ -506,8 +473,6 @@ in
               percentageToHex = percentage: zeroPad (lib.trivial.toHexString (builtins.floor (percentage * 255)));
             in
             {
-              flavour = cfg.flavour;
-              contrast = builtins.toString cfg.contrast;
               radius = builtins.toString cfg.radius;
               padding = builtins.toString cfg.padding;
               padding_double = builtins.toString (cfg.padding * 2);