ddccontrol: Add desktop entry file for gddccontrol

pkgs/tools/misc/ddccontrol/default.nix

@@ -1,9 +1,10 @@
 { stdenv, fetchurl, autoreconfHook, intltool, perl, perlPackages, libxml2
 , pciutils, pkgconfig, gtk2, ddccontrol-db
+, makeDesktopItem
 }:
 
 let version = "0.4.2"; in
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   name = "ddccontrol-${version}";
 
   src = fetchurl {
@@ -32,6 +33,24 @@ stdenv.mkDerivation {
       sed -e "s/chmod 4711/chmod 0711/" -i src/ddcpci/Makefile*
   '';
 
+  postInstall = ''
+    mkdir -p $out/share/applications/
+    cp $desktopItem/share/applications/* $out/share/applications/
+    for entry in $out/share/applications/*.desktop; do
+      substituteAllInPlace $entry
+    done
+  '';
+
+  desktopItem = makeDesktopItem {
+    name = "gddccontrol";
+    desktopName = "gddccontrol";
+    genericName = "DDC/CI control";
+    comment = meta.description;
+    exec = "@out@/bin/gddccontrol";
+    icon = "gddccontrol";
+    categories = "Settings;HardwareSettings;";
+  };
+
   meta = with stdenv.lib; {
     description = "A program used to control monitor parameters by software";
     homepage = "http://ddccontrol.sourceforge.net/";