add optional cmake target that compiles a Swedish translation of the main menu

sync Swedish translation with source code and add missing translations

CMakeLists.txt

@@ -16,6 +16,7 @@ option(NIGHTLY_BUILD "Enable options for nightly build" OFF)
 option(USE_SDL1 "Use SDL1.2 instead of SDL2" OFF)
 option(NONET "Disable network" OFF)
 option(RUN_TESTS "Build and run tests" OFF)
+option(USE_GETTEXT "Build translation files using gettext" OFF)
 
 option(DISABLE_STREAMING_MUSIC "Disable streaming music (to work around broken platform implementations)" OFF)
 mark_as_advanced(DISABLE_STREAMING_MUSIC)
@@ -464,6 +465,13 @@ if(GPERF)
   find_package(Gperftools REQUIRED)
 endif()
 
+if(USE_GETTEXT)
+  find_package(Gettext)
+  foreach(lang sv)
+    GETTEXT_PROCESS_PO_FILES(${lang} ALL PO_FILES ${CMAKE_CURRENT_LIST_DIR}/Translations/${lang}.po)
+  endforeach(lang)
+endif()
+
 target_include_directories(${BIN_TARGET} PRIVATE
   Source
   3rdParty/PKWare

Translations/sv.po

@@ -0,0 +1,56 @@
+msgid ""
+msgstr ""
+"Project-Id-Version: \n"
+"POT-Creation-Date: 2021-04-24 16:35+0200\n"
+"PO-Revision-Date: \n"
+"Last-Translator: \n"
+"Language-Team: \n"
+"Language: sv\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=CP1252\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Poedit-SourceCharset: UTF-8\n"
+"X-Poedit-KeywordsList: _;_F\n"
+"X-Poedit-Basepath: ..\n"
+"X-Generator: Poedit 2.3\n"
+"X-Poedit-SearchPath-0: Source\n"
+
+#: Source/DiabloUI/mainmenu.cpp:36
+msgid "Single Player"
+msgstr "Enskild Spelare"
+
+#: Source/DiabloUI/mainmenu.cpp:37
+msgid "Multi Player"
+msgstr "Flera Spelare"
+
+#: Source/DiabloUI/mainmenu.cpp:38
+msgid "Replay Intro"
+msgstr "Kör om Intro"
+
+#: Source/DiabloUI/mainmenu.cpp:39
+msgid "Support"
+msgstr "Support"
+
+#: Source/DiabloUI/mainmenu.cpp:41
+msgid "Credits"
+msgstr "Spelskapare"
+
+#: Source/DiabloUI/mainmenu.cpp:42
+msgid "Exit Hellfire"
+msgstr "Avsluta Hellfire"
+
+#: Source/DiabloUI/mainmenu.cpp:44
+msgid "Show Credits"
+msgstr "Visa Spelskapare"
+
+#: Source/DiabloUI/mainmenu.cpp:45
+msgid "Exit Diablo"
+msgstr "Avsluta Diablo"
+
+#: Source/DiabloUI/mainmenu.cpp:110
+msgid ""
+"The Diablo introduction cinematic is only available in the full retail "
+"version of Diablo. Visit https://www.gog.com/game/diablo to purchase."
+msgstr ""
+"Introduktionsvideon finns endast tillgänglig i den kompletta versionen "
+"av Diablo. Besök https://www.gog.com/game/diablo för att köpa."