nixos and qt fixup

default.nix

@@ -6,8 +6,9 @@
   SDL2,
   libGL,
   xorg,
+  kdePackages,
+  qt6Packages ? kdePackages.qt6Packages,
   installShellFiles,
-
   graphical ? false,
   graphical-qt ? false,
   ...
@@ -37,12 +38,13 @@ stdenv.mkDerivation {
     xorg.libX11
   ]
   ++ lib.optionals graphical-qt [
-    qt5Full
-    qtcreator ## not sure if this is actually needed
+    kdePackages.qt6ct
+    qt6Packages.qtbase
+    qt6Packages.wrapQtAppsHook
   ];
 
   cmakeFlags = [
-    "-DBUILD_GUI=${if graphical or graphical-qt then "ON" else "OFF"}"
+    "-DBUILD_GUI=${if graphical then "ON" else "OFF"}"
     "-DKTE_USE_QT=${if graphical-qt then "ON" else "OFF"}"
     "-DCMAKE_BUILD_TYPE=Debug"
   ];