make gaypanel semitransparent

clients/quadraticpc/fht-compositor/default.nix

@@ -45,7 +45,8 @@ in
 
   # The default theme, minus its hardcoded @define-color palette, so the GTK theme's colors show through
   environment.etc."xdg/walker/themes/system/style.css".source =
-    pkgs.runCommand "walker-system-style.css" { } ''
+    pkgs.runCommand "walker-system-style.css" { }
+      ''
         sed '/^@define-color/d' ${pkgs.walker.src}/resources/themes/default/style.css > $out
       '';
 
@@ -137,6 +138,14 @@ in
       }
     ];
 
+    # # Blur behind gaypanel's semi-transparent background
+    # layer-rules = [
+    #   {
+    #     match-namespace = [ "^panel$" ];
+    #     blur.disable = false;
+    #   }
+    # ];
+
     outputs = {
       HDMI-A-1.position.x = 0;
       DP-3.position.x = 1920;

wrappers/desktop/gaypanel/default.nix

@@ -6,7 +6,6 @@
 let
   bar = pkgs.writeText "top.blp" ''
     using Gtk 4.0;
-    using Adw 1;
 
     $GayPanel panel {
       anchor-direction: top;
@@ -34,6 +33,17 @@ let
         }
 
         [end]
+        Box {
+          spacing: 4;
+
+          // Hides itself when nothing is playing
+          $MprisWidget {
+            styles [
+              "pill",
+              "flat",
+            ]
+          }
+
           $SystemControlsWidget {
             styles [
               "pill",
@@ -42,10 +52,14 @@ let
           }
         }
       }
+    }
   '';
 
-  # GNOME-style workspace dots, with the active one stretched into a pill
   style = pkgs.writeText "style.css" ''
+    window.panel {
+      background: alpha(var(--window-bg-color), 0.5);
+    }
+
     .workspaces button {
       min-width: 8px;
       min-height: 8px;
@@ -57,7 +71,6 @@ let
 
     .workspaces button.selected {
       min-width: 32px;
-      padding: 0;
       background: var(--window-fg-color);
     }
 
@@ -68,13 +81,9 @@ let
 in
 {
   wrappers.gaypanel = {
-    basePackage =
-      inputs.gaypanel.packages.${pkgs.stdenv.hostPlatform.system}.default.overrideAttrs
-        (old: {
-          patches = (old.patches or [ ]) ++ [
-            ./no-sound-panic.patch
-          ];
-        });
+    basePackage = inputs.gaypanel.packages.${pkgs.stdenv.hostPlatform.system}.default.overrideAttrs {
+      patches = [ ./no-sound-panic.patch ];
+    };
 
     prependFlags = [
       "--config"