rgb on waybar

modules/desktop/themes/catppuccin/waybar.css

@@ -168,7 +168,7 @@ window#waybar.floating #window {
   color: @red;
 }
 
-#custom-wallpaper {
+#custom-wallpaper, #custom-rgb {
   color: @overlay1;
 }
 

modules/desktop/waybar.nix

@@ -24,7 +24,8 @@ in {
       package = cfg.package;
 
       settings = {
-        mainBar = {
+        mainBar = mkMerge [
+          {
             layer = "top";
             position = "top";
             spacing = 4;
@@ -67,6 +68,7 @@ in {
                 "custom/weather"
                 "privacy"
                 "custom/wallpaper"
+                "custom/rgb"
               ];
             };
             "group/power" = {
@@ -107,12 +109,6 @@ in {
               tooltip-format = "Power menu";
               on-click = "${powerMenuScript}";
             };
-          "custom/wallpaper" = {
-            format = "";
-            tooltip = true;
-            tooltip-format = "Change wallpaper";
-            on-click = "${config.modules.desktop.swww.swapScript}";
-          };
             "niri/workspaces" = {
               format = "{icon}";
               format-icons = {
@@ -318,7 +314,24 @@ in {
               exec = ''${lib.getExe pkgs.wttrbar} --location "$(${locationScript})" --hide-conditions --fahrenheit --mph'';
               return-type = "json";
             };
+          }
+          (mkIf config.modules.desktop.swww.enable {
+            "custom/wallpaper" = {
+              format = "";
+              tooltip = true;
+              tooltip-format = "Change wallpaper";
+              on-click = "${config.modules.desktop.swww.swapScript}";
             };
+          })
+          (mkIf config.modules.hardware.rgb.enable {
+            "custom/rgb" = {
+              format = "★"; # TODO: better icon (paintbrush or palette?)
+              tooltip = true;
+              tooltip-format = "Change OpenRGB profile";
+              on-click = "${config.modules.hardware.rgb.swapScript}";
+            };
+          })
+        ];
       };
     };
   };

modules/hardware/rgb.nix

@@ -5,10 +5,38 @@ let
   cfg = config.modules.hardware.rgb;
 in {
   options.modules.hardware.rgb = {
-    enable = mkEnableOption "Enable support for rgb devices through openrgb";
+    enable = mkEnableOption "Enable support for rgb devices through OpenRGB";
+    package = mkOption {
+      type = types.package;
+      default = pkgs.openrgb;
+      example = "pkgs.openrgb";
+    };
+    swapScript = mkOption {
+      type = types.package;
+      default = pkgs.writeShellScript "openrgb-swap" ''
+        set -euo pipefail
+
+        mapfile -t files < <(
+          find "$XDG_CONFIG_HOME/OpenRGB" -name "*.orp"
+          find /var/lib/OpenRGB -name "*.orp" 2>/dev/null
+        )
+
+        selected=$(printf '%s\n' "''${files[@]}" | xargs -n1 basename | ${lib.getExe config.modules.desktop.rofi.package} -dmenu -i -p "select profile")
+
+        [[ -z "$selected" ]] && exit 0
+
+        for f in "''${files[@]}"; do
+          if [[ $(basename "$f") == "$selected" ]]; then
+            ${lib.getExe cfg.package} -p "$f"
+            break
+          fi
+        done
+      '';
+    };
   };
 
   config = mkIf cfg.enable {
     services.hardware.openrgb.enable = true;
+    services.hardware.openrgb.package = cfg.package;
   };
 }