musescore: switch to QtWebEngine

Since version 3.0 it builds with QtWebEngine by default.

pkgs/applications/audio/musescore/default.nix

@@ -1,7 +1,7 @@
 { stdenv, lib, fetchFromGitHub, cmake, pkgconfig
 , alsaLib, freetype, libjack2, lame, libogg, libpulseaudio, libsndfile, libvorbis
 , portaudio, portmidi, qtbase, qtdeclarative, qtscript, qtsvg, qttools
-, qtwebkit, qtxmlpatterns
+, qtwebengine, qtxmlpatterns
 }:
 
 stdenv.mkDerivation rec {
@@ -15,6 +15,10 @@ stdenv.mkDerivation rec {
     sha256 = "0g8n8xpw5d6wh8bwbvy12sinl9i0ir009sr28i4izr28lr4x8v50";
   };
 
+  patches = [
+    ./remove_qtwebengine_install_hack.patch
+  ];
+
   cmakeFlags = [
   ] ++ lib.optional (lib.versionAtLeast freetype.version "2.5.2") "-DUSE_SYSTEM_FREETYPE=ON";
 
@@ -23,7 +27,7 @@ stdenv.mkDerivation rec {
   buildInputs = [
     alsaLib libjack2 freetype lame libogg libpulseaudio libsndfile libvorbis
     portaudio portmidi # tesseract
-    qtbase qtdeclarative qtscript qtsvg qttools qtwebkit qtxmlpatterns
+    qtbase qtdeclarative qtscript qtsvg qttools qtwebengine qtxmlpatterns
   ];
 
   meta = with stdenv.lib; {

pkgs/applications/audio/musescore/remove_qtwebengine_install_hack.patch

@@ -0,0 +1,25 @@
+--- a/mscore/CMakeLists.txt
++++ b/mscore/CMakeLists.txt
+@@ -660,22 +660,6 @@ if (MINGW)
+ else (MINGW)
+
+    if ( NOT MSVC )
+-## install qwebengine core
+-      if (NOT APPLE AND USE_WEBENGINE)
+-         install(FILES
+-            ${QT_INSTALL_LIBEXECS}/QtWebEngineProcess
+-            DESTINATION bin
+-            )
+-         install(DIRECTORY
+-            ${QT_INSTALL_DATA}/resources
+-            DESTINATION lib/qt5
+-            )
+-         install(DIRECTORY
+-            ${QT_INSTALL_TRANSLATIONS}/qtwebengine_locales
+-            DESTINATION lib/qt5/translations
+-            )
+-      endif(NOT APPLE AND USE_WEBENGINE)
+-
+       target_link_libraries(mscore
+          ${ALSA_LIB}
+          ${QT_LIBRARIES}