Update theme engine

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

hosts/common/configs/user/gui/swww/default.nix

@@ -11,6 +11,7 @@
 }:
 let
   hmConfig = config.home-manager.users.${user};
+
   themeSwww = lib.meta.getExe (
     pkgs.writeShellApplication {
       name = "theme-swww";
@@ -18,7 +19,13 @@ let
         coreutils
         swww
       ];
-      text = "exec swww img \"${hmConfig.theme.configDir}/wallpaper\"";
+      text = ''
+        if [[ -L "${hmConfig.theme.configDir}"/wallpaper ]]; then
+          exec swww img "${hmConfig.theme.configDir}"/wallpaper
+        elif [[ -f "${hmConfig.theme.configDir}"/color ]]; then
+          exec swww clear "$(<"${hmConfig.theme.configDir}"/color)"
+        fi
+      '';
     }
   );
 in

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);

hosts/common/configs/user/gui/theme/theme.completion.zsh

@@ -2,6 +2,9 @@ _theme_completion() {
   local options=(
     '-m[Set mode: 'light', 'dark', or 'toggle']:mode:(light dark toggle)'
     '-w[Set wallpaper file]:file:_files'
+    '-h[Set plain color (hex)]:hex color:'
+    '-f[Set flavor]:flavor:(content expressive fidelity fruit-salad monochrome neutral rainbow tonal-spot)'
+    '-c[Set contrast (-1 to 1)]:contrast:'
   )
   local curcontext="$curcontext" state line
   typeset -A opt_args

hosts/common/configs/user/gui/theme/theme.sh

@@ -1,7 +1,10 @@
 # shellcheck shell=bash
 
 wallpaper=""
+color=""
 mode=""
+flavor=""
+contrast=""
 
 set_wallpaper() {
   if [[ -f "$1" ]]; then
@@ -12,6 +15,37 @@ set_wallpaper() {
   fi
 }
 
+set_color() {
+  local re='^#?([A-Fa-f0-9]{6})$'
+  if [[ "$1" =~ $re ]]; then
+    color="$1"
+  else
+    echo "Invalid color format: $1"
+    exit 1
+  fi
+}
+
+set_flavor() {
+  case "$1" in
+    content|expressive|fidelity|fruit-salad|monochrome|neutral|rainbow|tonal-spot)
+      flavor="$1"
+      ;;
+    *)
+      echo "Invalid flavor: $1"
+      exit 1
+      ;;
+  esac
+}
+
+set_contrast() {
+  if [[ "$1" =~ ^-?[0-1](\.[0-9]+)?$ ]]; then
+    contrast="$1"
+  else
+    echo "Invalid contrast value: $1"
+    exit 1
+  fi
+}
+
 toggle_mode() {
   if [[ "$(cat "$CONFIG"/mode)" = "light" ]]; then
     mode="dark"
@@ -21,37 +55,48 @@ toggle_mode() {
 }
 
 usage() {
-  echo "Usage: $0 [-m {light|dark|toggle}] [-w <file>]"
+  echo "Usage: $0 [-m {light|dark|toggle}] [-w <file>] [-h <hexcolor>] [-f <flavor>] [-c <contrast>]"
+  echo "       Only one of -w (wallpaper) or -h (hex color) can be used."
+  echo "       Valid flavors: content, expressive, fidelity, fruit-salad, monochrome, neutral, rainbow, tonal-spot"
+  echo "       Contrast must be a number between -1 and 1"
   exit 1
 }
 
 finish() {
-  [[ -n "$wallpaper" ]] && ln -sf "$wallpaper" "$CONFIG"/wallpaper
+  [[ -n "$wallpaper" ]] && rm -f "$CONFIG"/color && ln -sf "$wallpaper" "$CONFIG"/wallpaper
+  [[ -n "$color" ]] && rm -f "$CONFIG"/wallpaper && echo "$color" > "$CONFIG"/color
   [[ -n "$mode" ]] && echo "$mode" > "$CONFIG"/mode
+  [[ -n "$flavor" ]] && echo "$flavor" > "$CONFIG"/flavor
+  [[ -n "$contrast" ]] && echo "$contrast" > "$CONFIG"/contrast
 
   "$INIT" > /dev/null
   "$RELOAD" > /dev/null
 }
 
 # Parse arguments
-while getopts "m:w:" opt; do
+while getopts "m:w:h:f:c:" opt; do
   case "$opt" in
     m)
       case "$OPTARG" in
-        light|dark)
-          mode="$OPTARG"
-          ;;
-        toggle)
-          toggle_mode
-          ;;
-        *)
-          usage
-          ;;
+        light|dark) mode="$OPTARG" ;;
+        toggle) toggle_mode ;;
+        *) usage ;;
       esac
       ;;
     w)
+      [[ -n "$color" ]] && usage
       set_wallpaper "$OPTARG"
       ;;
+    h)
+      [[ -n "$wallpaper" ]] && usage
+      set_color "$OPTARG"
+      ;;
+    f)
+      set_flavor "$OPTARG"
+      ;;
+    c)
+      set_contrast "$OPTARG"
+      ;;
     *)
       usage
       ;;