enable highdpi

src/main.cpp

@@ -70,6 +70,7 @@ int main(int argc, char *argv[])
     Logger::init();
 #endif
     QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
     //TODO: is it a good option ?
     QCoreApplication::setAttribute(Qt::AA_ShareOpenGLContexts, true);