feat(gpu): add cardwire integration and gpu widget

package.nix

@@ -3,7 +3,10 @@
   stdenv,
   makeWrapper,
   makeFontsConf,
+  cmake,
+  ninja,
   quickshellWithModules,
+  qt6,
   cava,
   wallust,
   nerd-fonts,
@@ -21,41 +24,52 @@ let
   fontconfig = makeFontsConf {
     fontDirectories = [ nerd-fonts.fira-code ];
   };
+
+  # Unlike lib.fileset, this keeps untracked files (the flake only sees
+  # git-tracked paths) while dropping build artifacts.
+  src = lib.cleanSourceWith {
+    src = lib.cleanSource ./.;
+    filter =
+      path: _:
+      let
+        name = baseNameOf path;
+      in
+      !(name == "dist" || name == "result" || name == "result-bin" || lib.hasPrefix "build" name);
+  };
 in
 stdenv.mkDerivation {
-  inherit version;
+  inherit version src;
   pname = "tshell";
-  src = lib.fileset.toSource {
-    root = ./.;
-    fileset = lib.fileset.unions [
-      ./shell.qml
-      ./assets
-      ./config
-      ./modules
-      ./services
-      ./ui
-      ./windows
-    ];
-  };
 
-  nativeBuildInputs = [ makeWrapper ];
-  buildInputs = [ quickshellWithModules ];
+  dontWrapQtApps = true;
+
+  preConfigure = ''
+    cd plugin
+  '';
+
+  nativeBuildInputs = [
+    cmake
+    ninja
+    makeWrapper
+  ];
+  buildInputs = [
+    qt6.qtbase
+    qt6.qtdeclarative
+  ];
   propagatedBuildInputs = runtimeDeps;
 
-  dontBuild = true;
-
-  installPhase = ''
-    runHook preInstall
-
+  postInstall = ''
     mkdir -p $out/bin $out/share/tshell
-    cp -r . $out/share/tshell
+
+    for entry in shell.qml assets config modules services ui windows; do
+      cp -r "$src/$entry" $out/share/tshell/
+    done
 
     makeWrapper ${quickshellWithModules}/bin/qs $out/bin/tshell \
       --prefix PATH : "${lib.makeBinPath runtimeDeps}" \
       --set FONTCONFIG_FILE "${fontconfig}" \
+      --suffix NIXPKGS_QT6_QML_IMPORT_PATH : "$out/lib/qt-6/qml" \
       --add-flags "-p $out/share/tshell"
-
-    runHook postInstall
   '';
 
   meta = {