Add GTK theming for everforest

colors/default.nix

@@ -1,4 +1,4 @@
 {
   undefined = "#ff00ff";
   foreground-bright = "#ffffff";
-} // import ./everforest.nix
+} // import ./everforest

colors/everforest/default.nix

@@ -1,5 +1,9 @@
 {
   kitty-theme = "Everforest Dark Hard";
+  gtkTheme = pkgs: {
+    package = pkgs.callPackage ./gtk.nix {};
+    name = "Everforest-Dark-BL";
+  };
   wallpaper = "306286.jpg";
 
   background = "#1e2326";

colors/everforest/gtk.nix

@@ -0,0 +1,43 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, gtk-engine-murrine
+, jdupes
+}:
+
+stdenv.mkDerivation rec {
+  pname = "everforest-gtk";
+  version = "unstable-2022-12-09";
+
+  src = fetchFromGitHub {
+    owner = "Fausto-Korpsvart";
+    repo = "Everforest-GTK-Theme";
+    rev = "af5920c8a16a53064cbcb7582bd7ef0ba8f44d83";
+    sha256 = "lIAJN8ljmN4RyvyPpHoAheyQBX/qyGXZsGvoTl1vt50=";
+  };
+
+  sourceRoot = ".";
+
+  nativeBuildInputs = [ jdupes ];
+
+  propagatedUserEnvPkgs = [ gtk-engine-murrine ];
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/share/themes
+
+    cp -a source/themes/* $out/share/themes
+
+    jdupes -L -r $out/share
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Everforest colour palette for GTK";
+    homepage = "https://github.com/Fausto-Korpsvart/Everforest-GTK-Theme";
+    license = licenses.gpl3Only;
+    platforms = platforms.all;
+  };
+}

colors/nord/default.nix

@@ -1,6 +1,10 @@
 {
   kitty-theme = "Nord";
   wallpaper = "roxynord.png";
+  gtkTheme = pkgs: {
+    package = pkgs.nordic;
+    name = "Nordic";
+  };
 
   background = "#2e3440";
   background-alt = "#3b4252";

hosts/desktop.nix

@@ -13,10 +13,7 @@ in
           enable = true;
           greeters.gtk = {
             enable = true;
-            theme = {
-              name = "Nordic";
-              package = pkgs.nordic;
-            };
+            theme = colors.gtkTheme pkgs;
           };
           background = ../wallpapers/${colors.wallpaper};
         };

hosts/home.nix

@@ -1,8 +1,6 @@
 { config, pkgs, user, ... }:
 
 let
-  theme = pkgs.nordic;
-  themeName = "Nordic";
   colors = import ../colors;
 in
 {
@@ -21,17 +19,11 @@ in
   home.file."./.background-image".source = ../wallpapers/${colors.wallpaper};
 
   programs.home-manager.enable = true;
-
+  
   gtk = {
     enable = true;
-    iconTheme = {
-      name = "${themeName}";
-      package = "${theme}";
-    };
-    theme = {
-      name = "${themeName}";
-      package = "${theme}";
-    };
+    iconTheme = colors.gtkTheme pkgs;
+    theme = colors.gtkTheme pkgs;
     # Remove minimize, maximize, and close buttons
     gtk3.extraConfig = {
       gtk-decoration-layout = "appmenu:none";
@@ -64,6 +56,7 @@ in
       # Tray applications
       networkmanagerapplet # nm-applet
       nextcloud-client
+      #(pkgs.callPackage ../colors/everforest/gtk.nix {})
 
       # GUI applications
       firefox