fix gtk+ maybe

config/kde/gtk-fixes/default.nix

@@ -0,0 +1,7 @@
+{ ... }:
+{
+  gtk.enable = true;
+  imports = [
+    ./gtk3.nix
+  ];
+}

config/kde/gtk-fixes/gtk3.nix

@@ -0,0 +1,37 @@
+{ ... }:
+{
+  gtk.gtk3 = {
+    extraConfig = {
+      gtk-decoration-layout = "menu:close";
+    };
+    extraCss = ''
+      .window-frame, .window-frame:backdrop {
+        box-shadow: 0 0 0 black;
+        border-style: none;
+        margin: 0;
+        border-radius: 0;
+      }
+
+      .titlebar {
+        border-radius: 0;
+      }
+
+      .window-frame.csd.popup {
+        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(0, 0, 0, 0.13);
+      }
+
+      .header-bar {
+        background-image: none;
+        background-color: #ededed;
+        box-shadow: none;
+      }
+      GtkLabel.title {
+        opacity: 0;
+      }
+    '';
+  };
+  home.sessionVariables = {
+    GTK_USE_PORTAL = 1;
+    GDK_DEBUG = "portals"; # sigh…
+  };
+}

config/kde/home-manager.nix

@@ -6,6 +6,7 @@
     plasma-manager.homeManagerModules.plasma-manager
     ./theming.nix
     ./krdp.nix
+    ./gtk-fixes
   ];
   programs.plasma.kwin.virtualDesktops = {
     rows = 3;

modules/nix/autoupdater.nix

@@ -40,7 +40,7 @@ with lib;
     };
   };
 
-  config.nix.auto-update.enable = mkDefault config.nix.enable;
+  #config.nix.auto-update.enable = mkDefault config.nix.enable;
   config.nix.auto-update.reboot = mkDefault true;
   config.systemd.services.nixos-upgrade = mkIf config.nix.enable {
     description = "NixOS Upgrade";