fix: Use wrapGAppsHook4 to actually get icons in the applications

nix/override/streamdeck.nix

@@ -0,0 +1,106 @@
+{ lib
+, pkgs
+, python3Packages
+, fetchFromGitHub
+, writeText
+, makeDesktopItem
+}:
+
+python3Packages.buildPythonApplication rec {
+  pname = "streamdeck-ui";
+  version = "4.1.2";
+
+  src = fetchFromGitHub {
+    repo = "streamdeck-linux-gui";
+    owner = "streamdeck-linux-gui";
+    rev = "v${version}";
+    sha256 = "sha256-CSsFPGnKVQUCND6YOA9kfO41KS85C57YL9LcrWlQRKo=";
+  };
+
+  patches = [
+    # nixpkgs has a newer pillow version
+    ./streamdeck_path.patch
+  ];
+
+  desktopItems =
+    let
+      common = {
+        name = "streamdeck-ui";
+        desktopName = "Stream Deck UI";
+        icon = "streamdeck-ui";
+        exec = "streamdeck";
+        comment = "UI for the Elgato Stream Deck";
+        categories = [ "Utility" ];
+      };
+    in
+    builtins.map makeDesktopItem [
+      common
+      (common // {
+        name = "${common.name}-noui";
+        exec = "${common.exec} --no-ui";
+        noDisplay = true;
+      })
+    ];
+
+  postInstall =
+    let
+      udevRules = ''
+        SUBSYSTEM=="usb", ATTRS{idVendor}=="0fd9", TAG+="uaccess"
+      '';
+    in
+    ''
+      mkdir -p $out/lib/systemd/user
+      substitute scripts/streamdeck.service $out/lib/systemd/user/streamdeck.service \
+        --replace '<path to streamdeck>' $out/bin/streamdeck
+
+      mkdir -p "$out/etc/udev/rules.d"
+      cp ${writeText "70-streamdeck.rules" udevRules} $out/etc/udev/rules.d/70-streamdeck.rules
+
+      mkdir -p "$out/share/pixmaps"
+      cp streamdeck_ui/logo.png $out/share/pixmaps/streamdeck-ui.png
+    '';
+
+  dontWrapQtApps = true;
+  dontWrapGApps = true;
+  makeWrapperArgs = [ "\${qtWrapperArgs[@]}" "\${gappsWrapperArgs[@]}" ];
+
+  format = "pyproject";
+
+  nativeBuildInputs = [
+    pkgs.python3Packages.poetry-core
+    pkgs.copyDesktopItems
+    pkgs.qt6.wrapQtAppsHook
+    pkgs.wrapGAppsHook
+  ];
+
+  propagatedBuildInputs = with pkgs.python3Packages; [
+    importlib-metadata
+    setuptools
+    filetype
+    cairosvg
+    pillow
+    pynput
+    pyside6
+    streamdeck
+    xlib
+  ] ++ lib.optionals stdenv.isLinux [
+    pkgs.qt6.qtwayland
+  ];
+
+  nativeCheckInputs = [
+    pkgs.xvfb-run
+    pkgs.python3Packages.pytest
+  ];
+
+ # checkPhase = ''
+ #   xvfb-run pytest tests
+ # '';
+
+  meta = with lib; {
+    description = "Linux compatible UI for the Elgato Stream Deck";
+    homepage = "https://streamdeck-linux-gui.github.io/streamdeck-linux-gui/";
+    license = licenses.mit;
+    mainProgram = "streamdeck";
+    maintainers = with maintainers; [ majiir ];
+  };
+}