1 files changed, 14 insertions, 6 deletions
diff --git a/doc/qtcreator/examples/transitions/main.cpp b/doc/qtcreator/examples/transitions/main.cpp
index 4e002b280e..9fb8458284 100644
--- a/doc/qtcreator/examples/transitions/main.cpp
+++ b/doc/qtcreator/examples/transitions/main.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2017 The Qt Company Ltd.
+** Copyright (C) 2020 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of Qt Creator
@@ -47,20 +47,28 @@
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
-
 #include <QGuiApplication>
 #include <QQmlApplicationEngine>
 
 int main(int argc, char *argv[])
 {
-    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+    if (qEnvironmentVariableIsEmpty("QTGLESSTREAM_DISPLAY")) {
+        qputenv("QT_QPA_EGLFS_PHYSICAL_WIDTH", QByteArray("213"));
+        qputenv("QT_QPA_EGLFS_PHYSICAL_HEIGHT", QByteArray("120"));
+
+        QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+    }
 
     QGuiApplication app(argc, argv);
 
     QQmlApplicationEngine engine;
-    engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
-    if (engine.rootObjects().isEmpty())
-        return -1;
+    const QUrl url(QStringLiteral("qrc:/main.qml"));
+    QObject::connect(&engine, &QQmlApplicationEngine::objectCreated,
+                     &app, [url](QObject *obj, const QUrl &objUrl) {
+        if (!obj && url == objUrl)
+            QCoreApplication::exit(-1);
+    }, Qt::QueuedConnection);
+    engine.load(url);
 
     return app.exec();
 }