update to rice

pkgs/default.nix

@@ -1,5 +1,4 @@
 { pkgs ? import <nixpkgs> {}, lib ? pkgs.lib }:
-
 let
   python-pymatting = pkgs.callPackage ./python-pymatting {
     inherit (pkgs) lib fetchPypi;
@@ -14,4 +13,12 @@ in
     python310Packages = pkgs.python310.pkgs;
     inherit python-pymatting;
   };
+
+  tokyo-night-gtk = pkgs.callPackage ./tokyo-night {
+    inherit (pkgs) lib stdenv fetchFromGitHub gtk-engine-murrine gtk_engines;
+  };
+
+  vivid-icons = pkgs.callPackage ./vivid-icons {
+    inherit (pkgs) lib stdenv fetchFromGitHub;
+  };
 }

pkgs/tokyo-night/default.nix

@@ -0,0 +1,37 @@
+{ lib, stdenv, fetchFromGitHub, gtk-engine-murrine, gtk_engines }:
+
+stdenv.mkDerivation {
+  pname = "tokyo-night-gtk";
+  version = "2025-03-16";
+
+  src = fetchFromGitHub {
+    owner = "Fausto-Korpsvart";
+    repo = "Tokyo-Night-GTK-Theme";
+    rev = "cf6665a3115508a06cea28e8a23b9c90b8ef08c1";
+    sha256 = "sha256-/VhwciY8iyxWOJI3lbbNRkF86rVFrjViZ5YCxHR+mFw=";
+  };
+
+  nativeBuildInputs = [ ];
+
+  buildInputs = [
+    gtk-engine-murrine
+    gtk_engines
+  ];
+
+  propagatedUserEnvPkgs = [
+    gtk-engine-murrine
+  ];
+
+  installPhase = ''
+    mkdir -p $out/share/themes
+    cp -r themes/Tokyonight-* $out/share/themes/
+  '';
+
+  meta = with lib; {
+    description = "Tokyo Night GTK Theme";
+    homepage = "https://github.com/Fausto-Korpsvart/Tokyo-Night-GTK-Theme";
+    license = licenses.gpl3;
+    platforms = platforms.all;
+    maintainers = [];
+  };
+}

pkgs/vivid-icons/default.nix

@@ -0,0 +1,26 @@
+{ lib, stdenv, fetchFromGitHub }:
+
+stdenv.mkDerivation {
+  pname = "vivid-icons";
+  version = "2025-03-16";
+
+  src = fetchFromGitHub {
+    owner = "L4ki";
+    repo = "Vivid-Plasma-Themes";
+    rev = "a7fe21fb5c51e1f66ef13c899e0e9beabd03c9f8";
+    sha256 = "sha256-UhDttFWQMkiG3Ls4UdI3jJt17PfXzfzGR4d9vS2I/1Q=";
+  };
+
+  installPhase = ''
+    mkdir -p $out/share/icons
+    cp -r "Vivid Icons Themes/"* $out/share/icons/
+  '';
+
+  meta = with lib; {
+    description = "Vivid Icons";
+    homepage = "https://github.com/L4ki/Vivid-Plasma-Themes";
+    license = licenses.gpl3;
+    platforms = platforms.all;
+    maintainers = [];
+  };
+}