Add NixOS config

home-manager/modules/hypr/theming.nix

@@ -0,0 +1,48 @@
+{ config, pkgs, ... }:
+
+{
+  gtk = {
+    enable = true;
+    theme = {
+      package = pkgs.gruvbox-gtk-theme;
+      name    = "Gruvbox-Dark";
+    };
+    iconTheme = {
+      package = pkgs.adwaita-icon-theme;
+      name    = "Adwaita";
+    };
+    cursorTheme = {
+      package = pkgs.capitaine-cursors;
+      name    = "Capitaine Cursors (Gruvbox)";
+      size    = 24;
+    };
+  };
+
+  qt = {
+    enable = true;
+    platformTheme.name = "gtk";
+  };
+
+  dconf.settings = {
+    "org/gnome/desktop/interface" = {
+      gtk-theme    = "Gruvbox-Dark";
+      icon-theme   = "Adwaita";
+      cursor-theme = "Capitaine Cursors (Gruvbox)";
+      cursor-size  = 24;
+      color-scheme = "prefer-dark";
+    };
+  };
+
+  home.sessionVariables = {
+    XCURSOR_THEME = "Capitaine Cursors (Gruvbox)";
+    XCURSOR_SIZE  = "24";
+    HYPRCURSOR_SIZE = "24";
+
+    GTK_THEME = "Gruvbox-Dark";
+
+    NIXOS_OZONE_WL = "1";
+    ELECTRON_OZONE_PLATFORM_HINT = "wayland";
+    GDK_BACKEND = "wayland";
+
+  };
+}