Ticket #16249: vbox_hidpi_support.patch

src/VBox/Frontends/VirtualBox/src/main.cpp

@@ -446 +446 @@
         qInstallMsgHandler(QtMessageOutput);
 #endif /* QT_VERSION < 0x050000 */
 
+#if QT_VERSION >= 0x050600
+        QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#endif
+#if QT_VERSION >= 0x050700
+        QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+#endif
         /* Create application: */
         QApplication a(argc, argv);
 
@@ -603 +609 @@
     /* Initialization failed: */
     if (RT_FAILURE(rc))
     {
+#if QT_VERSION >= 0x050600
+        QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#endif
+#if QT_VERSION >= 0x050700
+        QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+#endif
         /* We have to create QApplication anyway
          * just to show the only one error-message: */
         QApplication a(argc, &argv[0]);