Enable loading/generating translations by assistant and linguist tools

QTranslator is installed in tools (qcollectiongenerator, qhelpconverter,
qhelpgenerator, lconvert, lrelease, lupdate).
Build targets that updates .ts files are changed to include strings from
this tools.

Merge-request: 2456
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/tools/linguist/lupdate/main.cpp b/tools/linguist/lupdate/main.cpp
index a575192..0ff5288 100644
--- a/tools/linguist/lupdate/main.cpp
+++ b/tools/linguist/lupdate/main.cpp
@@ -52,6 +52,8 @@
 #include <QtCore/QString>
 #include <QtCore/QStringList>
 #include <QtCore/QTextCodec>
+#include <QtCore/QTranslator>
+#include <QtCore/QLibraryInfo>
 
 #include <iostream>
 
@@ -410,6 +412,16 @@ static void processProjects(
 int main(int argc, char **argv)
 {
     QCoreApplication app(argc, argv);
+    QTranslator translator;
+    QTranslator qtTranslator;
+    QString sysLocale = QLocale::system().name();
+    QString resourceDir = QLibraryInfo::location(QLibraryInfo::TranslationsPath);
+    if (translator.load(QLatin1String("linguist_") + sysLocale, resourceDir)
+        && qtTranslator.load(QLatin1String("qt_") + sysLocale, resourceDir)) {
+        app.installTranslator(&translator);
+        app.installTranslator(&qtTranslator);
+    }
+
     m_defaultExtensions = QLatin1String("java,jui,ui,c,c++,cc,cpp,cxx,ch,h,h++,hh,hpp,hxx,js,qs,qml");
 
     QStringList args = app.arguments();