From 2dfb92a16017a72d0450bc100952dc51197ea5a0 Mon Sep 17 00:00:00 2001
From: Jonathan Rainville <rainville.jonathan@gmail.com>
Date: Thu, 16 Jul 2020 18:05:57 -0400
Subject: [PATCH] feat: add translation function on the engine

---
 .../lib/include/DOtherSide/DOtherSide.h       |  5 +++++
 vendor/DOtherSide/lib/src/DOtherSide.cpp      | 22 ++++++++++++++++++-
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/vendor/DOtherSide/lib/include/DOtherSide/DOtherSide.h b/vendor/DOtherSide/lib/include/DOtherSide/DOtherSide.h
index 8ae1766ba5..6822bcf37c 100644
--- a/vendor/DOtherSide/lib/include/DOtherSide/DOtherSide.h
+++ b/vendor/DOtherSide/lib/include/DOtherSide/DOtherSide.h
@@ -142,6 +142,11 @@ DOS_API void DOS_CALL dos_qqmlapplicationengine_load_url(DosQQmlApplicationEngin
 /// \param data The UTF-8 string of the QML to load
 DOS_API void DOS_CALL dos_qqmlapplicationengine_load_data(DosQQmlApplicationEngine *vptr, const char *data);
 
+/// \brief Calls the load and install function for translations and calls retranslate on QQmlApplicationEngine
+/// \param vptr The QQmlApplicationEngine
+/// \param data The UTF-8 string of the path to the translation file (.qm)
+DOS_API void DOS_CALL dos_qapplication_load_translation(DosQQmlApplicationEngine *vptr, const char* translationPackage);
+
 /// \brief Calls the QQmlApplicationEngine::addImportPath function
 /// \param vptr The QQmlApplicationEngine
 /// \param path The path to be added to the list of import paths
diff --git a/vendor/DOtherSide/lib/src/DOtherSide.cpp b/vendor/DOtherSide/lib/src/DOtherSide.cpp
index c4ed9e37ae..66e141baff 100644
--- a/vendor/DOtherSide/lib/src/DOtherSide.cpp
+++ b/vendor/DOtherSide/lib/src/DOtherSide.cpp
@@ -35,6 +35,7 @@
 #include <QtQml/QQmlApplicationEngine>
 #include <QtQuick/QQuickView>
 #include <QtQuick/QQuickImageProvider>
+#include <QTranslator>
 #ifdef QT_QUICKCONTROLS2_LIB
 #include <QtQuickControls2/QQuickStyle>
 #endif
@@ -57,6 +58,9 @@ void register_meta_types()
 
 }
 
+// jrainville: I'm not sure where to put this, but it works like so
+QTranslator *m_translator = new QTranslator();
+
 char *convert_to_cstring(const QByteArray &array)
 {
     return qstrdup(array.data());
@@ -167,6 +171,20 @@ void dos_qqmlapplicationengine_load_data(::DosQQmlApplicationEngine *vptr, const
     engine->loadData(data);
 }
 
+void dos_qapplication_load_translation(::DosQQmlApplicationEngine *vptr, const char* translationPackage)
+{
+    if (!m_translator->isEmpty()) {
+        QCoreApplication::removeTranslator(m_translator);
+    }
+    if (m_translator->load(translationPackage)) {
+        bool success = QCoreApplication::installTranslator(m_translator);
+        auto engine = static_cast<QQmlApplicationEngine *>(vptr);
+        engine->retranslate();
+    } else {
+        printf("Failed to load translation file %s\n", translationPackage);
+    }
+}
+
 void dos_qqmlapplicationengine_add_import_path(::DosQQmlApplicationEngine *vptr, const char *path)
 {
     auto engine = static_cast<QQmlApplicationEngine *>(vptr);
@@ -1092,4 +1110,6 @@ void dos_qncm_delete(::DosQNetworkConfigurationManager *vptr)
 {
     auto ncm = static_cast<QNetworkConfigurationManager *>(vptr);
     delete ncm;
-}
\ No newline at end of file
+}
+
+#include "DOtherSide.moc"