pkgs/ultimatepp: add theide icon

pkgs/by-name/ul/ultimatepp/package.nix

@@ -5,6 +5,8 @@
   makeWrapper,
   pkg-config,
   stdenv,
+  makeDesktopItem,
+  copyDesktopItems,
 
   # pkg-config dependencies
   libpng,
@@ -60,7 +62,7 @@ in {
   nativeBuildInputs = [
     makeWrapper
     pkg-config
-  ];
+  ] ++ lib.optional (!self.passthru.bootstrap) copyDesktopItems;
 
   buildInputs = uppsrcDependencies ++ lib.optional (!self.passthru.bootstrap) libclang;
 
@@ -112,10 +114,29 @@ in {
 
     wrapProgram $out/bin/theide \
       --unset WAYLAND_DISPLAY
+
+    mkdir -p $out/share/icons/hicolor/scalable/apps
+    cp uppsrc/ide/icon.svg $out/share/icons/hicolor/scalable/apps/ultimatepp-theide.svg
+    for size in 16 32 64 128 256 512; do
+      mkdir -p $out/share/icons/hicolor/''${size}x''${size}/apps
+      cp uppsrc/ide/icon''${size}x''${size}.png $out/share/icons/hicolor/''${size}x''${size}/apps/ultimatepp-theide.png
+    done
   '') + ''
     runHook postInstall
   '';
 
+  desktopItems = [
+    (makeDesktopItem {
+      name = "ultimatepp-theide";
+      exec = "theide";
+      icon = "ultimatepp-theide";
+      desktopName = "TheIDE";
+      comment = "The Ultimate++ Framework IDE";
+      categories = [ "Development" "IDE" ];
+      terminal = false;
+    })
+  ];
+
   passthru = {
     bootstrap = false;
     inherit uppsrcDependencies;