+#if HAVE_STYLE_MANAGER
+ /**
+ * trigger initialisation of proper application style
+ */
+ KStyleManager::initStyle();
+#else
+ /**
+ * For Windows and macOS: use Breeze if available
+ * Of all tested styles that works the best for us
+ */
+#if defined(Q_OS_MACOS) || defined(Q_OS_WIN)
+ QApplication::setStyle(QStringLiteral("breeze"));
+#endif
+#endif
+