urh: 2.9.6 -> 2.9.8; install desktop file

pkgs/by-name/ur/urh/package.nix

@@ -1,22 +1,26 @@
 { stdenv, lib, fetchFromGitHub, python3Packages
 , hackrf, rtl-sdr, airspy, limesuite, libiio
 , libbladeRF
+, imagemagick
+, makeDesktopItem
+, copyDesktopItems
 , qt5
 , wrapGAppsHook3
 , USRPSupport ? false, uhd }:
 
 python3Packages.buildPythonApplication rec {
   pname = "urh";
-  version = "2.9.6";
+  version = "2.9.8";
 
   src = fetchFromGitHub {
     owner = "jopohl";
     repo = pname;
     rev = "refs/tags/v${version}";
-    sha256 = "sha256-4Fe2+BUdnVdNQHqZeftXLabn/vTzgyynOtqy0rAb0Rk=";
+    sha256 = "sha256-r3d80dzGwgf5Tuwt1IWGcmNbblwBNKTKKm+GGx1r2HE=";
   };
 
-  nativeBuildInputs = [ qt5.wrapQtAppsHook wrapGAppsHook3 ];
+  nativeBuildInputs = [ qt5.wrapQtAppsHook wrapGAppsHook3 copyDesktopItems
+                      ];
   buildInputs = [ hackrf rtl-sdr airspy limesuite libiio libbladeRF ]
     ++ lib.optional USRPSupport uhd
     ++ lib.optional stdenv.hostPlatform.isLinux qt5.qtwayland;
@@ -25,12 +29,34 @@ python3Packages.buildPythonApplication rec {
     pyqt5 numpy psutil cython pyzmq pyaudio setuptools
   ];
 
+  # dont double wrap
+  # https://nixos.org/manual/nixpkgs/stable/#ssec-gnome-common-issues-double-wrapped
+  dontWrapGApps = true;
+  preFixup = ''
+    qtWrapperArgs+=("''${gappsWrapperArgs[@]}")
+  '';
+
   postFixup = ''
     wrapQtApp $out/bin/urh
   '';
 
   doCheck = false;
 
+  desktopItems = [
+    (makeDesktopItem {
+      name = pname;
+      exec = "urh";
+      icon = "urh";
+      desktopName = "Universal Radio Hacker";
+      categories = [ "Network" "HamRadio" ];
+      comment = meta.description;
+    })
+  ];
+
+  postInstall = ''
+    install -Dm644 data/icons/appicon.png $out/share/pixmaps/urh.png
+  '';
+
   meta = with lib; {
     homepage = "https://github.com/jopohl/urh";
     description = "Universal Radio Hacker: investigate wireless protocols like a boss";