2 files changed, 29 insertions, 2 deletions
diff --git a/src/libs/installer/scriptengine.cpp b/src/libs/installer/scriptengine.cpp
index 0c7b3a77c..37610cfc9 100644
--- a/src/libs/installer/scriptengine.cpp
+++ b/src/libs/installer/scriptengine.cpp
@@ -65,7 +65,12 @@ ScriptEngine::ScriptEngine(PackageManagerCore *core)
     global.setProperty(QLatin1String("InstallerProxy"), proxy);
     global.setProperty(QLatin1String("print"), m_engine.newQObject(new ConsoleProxy)
         .property(QLatin1String("log")));
-
+#if QT_VERSION < 0x050400
+    global.setProperty(QLatin1String("qsTr"), m_engine.newQObject(new QCoreApplicationProxy)
+        .property(QStringLiteral("qsTr")));
+#else
+    m_engine.installTranslatorFunctions();
+#endif
     global.setProperty(QLatin1String("QInstaller"), generateQInstallerObject());
     global.setProperty(QLatin1String("buttons"), generateWizardButtonsObject());
     global.setProperty(QLatin1String("QMessageBox"), generateMessageBoxObject());
diff --git a/src/libs/installer/scriptengine_p.h b/src/libs/installer/scriptengine_p.h
index 0ab54df7c..3476ab1e8 100644
--- a/src/libs/installer/scriptengine_p.h
+++ b/src/libs/installer/scriptengine_p.h
@@ -126,10 +126,32 @@ public slots :
     }
 };
 
-}
+#if QT_VERSION < 0x050400
+class QCoreApplicationProxy : public QObject
+{
+    Q_OBJECT
+    Q_DISABLE_COPY(QCoreApplicationProxy)
+
+public:
+    QCoreApplicationProxy() {}
+
+public slots:
+    QString qsTr(const QString &text = QString(), const QString &disambiguation = QString(), int n = -1) const
+    {
+        return QCoreApplication::translate(QCoreApplication::applicationName().toUtf8().constData(),
+            text.toUtf8().constData(), disambiguation.toUtf8().constData(), n);
+    }
+};
+#endif
+
+} // namespace QInstaller
+
 Q_DECLARE_METATYPE(QInstaller::ConsoleProxy*)
 Q_DECLARE_METATYPE(QInstaller::InstallerProxy*)
 Q_DECLARE_METATYPE(QInstaller::QFileDialogProxy*)
 Q_DECLARE_METATYPE(QInstaller::QDesktopServicesProxy*)
+#if QT_VERSION < 0x050400
+Q_DECLARE_METATYPE(QInstaller::QCoreApplicationProxy*)
+#endif
 
 #endif // SCRIPTENGINE_H