gcompris: migrate to by-name

gcompris: add with kdePackages

gcompris: treefmt

pkgs/games/gcompris/default.nix pkgs/by-name/gc/gcompris/package.nix

···
   gettext,
   gst_all_1,
   ninja,
-  wrapQtAppsHook,
-  qmlbox2d,
-  qtbase,
-  qtcharts,
-  qtdeclarative,
-  qtimageformats,
-  qtmultimedia,
-  qtsensors,
-  qttools,
-  extra-cmake-modules,
+  kdePackages,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
···
   '';
 
   cmakeFlags = [
-    (lib.cmakeFeature "QML_BOX2D_LIBRARY" "${qmlbox2d}/${qtbase.qtQmlPrefix}/Box2D.2.1")
+    (lib.cmakeFeature "QML_BOX2D_LIBRARY" "${kdePackages.qmlbox2d}/${kdePackages.qtbase.qtQmlPrefix}/Box2D.2.1")
     (lib.cmakeBool "BUILD_TESTING" finalAttrs.finalPackage.doCheck)
   ];
 
   nativeBuildInputs = [
     cmake
-    extra-cmake-modules
+    kdePackages.extra-cmake-modules
     gettext
     ninja
-    qttools
-    wrapQtAppsHook
+    kdePackages.qttools
+    kdePackages.wrapQtAppsHook
   ];
 
   buildInputs =
+    with kdePackages;
     [
       qmlbox2d
       qtbase

pkgs/top-level/all-packages.nix

···
 
   garden-of-coloured-lights = callPackage ../games/garden-of-coloured-lights { allegro = allegro4; };
 
-  gcompris = kdePackages.callPackage ../games/gcompris { };
-
   gl-gsync-demo = callPackage ../games/gl-gsync-demo {
     libXNVCtrl = linuxPackages.nvidia_x11.settings.libXNVCtrl;
   };