nixos config

modules/theme.nix

@@ -0,0 +1,35 @@
+{ config, pkgs, lib, ... }:
+
+{
+  # Dark GTK theme (built into GTK3/4's Adwaita since 3.20) for Thunar and
+  # other GTK apps, as a starting point. The actual palette (accent color,
+  # dark/light) is no longer static here — it's generated at runtime by
+  # gtk-theme-set (modules/scripts/gtk-theme-set.sh), called from the
+  # Quickshell Theme picker (dotfiles/quickshell/Theme.qml) every time the
+  # theme changes, so switching accent/mode there actually reaches GTK
+  # apps instead of requiring a rebuild.
+  environment.systemPackages = with pkgs; [
+    gnome-themes-extra
+    adwaita-icon-theme
+    gruvbox-plus-icons
+    dconf
+  ];
+
+  # No environment.sessionVariables.GTK_THEME here on purpose: GTK_THEME
+  # takes priority over settings.ini's gtk-theme-name for GTK3 apps, and
+  # as a session env var it's fixed at login — it can't be changed live.
+  # A leftover "Adwaita:dark" override here was silently overriding
+  # whatever gtk-theme-set wrote to settings.ini, permanently forcing
+  # dark mode and blocking the Theme picker from ever reaching Thunar.
+
+  systemd.tmpfiles.rules = [
+    "d /home/nexoniarz/.config/gtk-3.0 0755 nexoniarz users -"
+    "d /home/nexoniarz/.config/gtk-4.0 0755 nexoniarz users -"
+    # `f`, not `L+`: created empty only if missing, never overwritten on
+    # rebuild — gtk-theme-set owns the actual content from here on.
+    "f /home/nexoniarz/.config/gtk-3.0/gtk.css 0644 nexoniarz users - -"
+    "f /home/nexoniarz/.config/gtk-4.0/gtk.css 0644 nexoniarz users - -"
+    "f /home/nexoniarz/.config/gtk-3.0/settings.ini 0644 nexoniarz users - -"
+    "f /home/nexoniarz/.config/gtk-4.0/settings.ini 0644 nexoniarz users - -"
+  ];
+}