diff -r bb36d1770a9e -r 9cd86b92aabb src/spacenav-simulator-qt.cpp
--- a/src/spacenav-simulator-qt.cpp	Wed Mar 06 16:21:18 2019 +0100
+++ b/src/spacenav-simulator-qt.cpp	Thu Mar 14 00:23:34 2019 +0100
@@ -20,14 +20,16 @@
 #include <QApplication>
 #include <QThread>
 
-#include <stdlib.h>
-#include <signal.h>
-#include <X11/Xlib.h>
-#include <spnav.h>
+#include "SimulatorWindow.h"
 
 int main(int argc, char**argv) {
 	setlocale(LC_ALL, "");
 	QApplication app(argc, argv);
 
-	return 0;
+	SimulatorWindow w;
+	w.show();
+
+	int qtResultCode = app.exec();
+
+	return qtResultCode;
 }