diff -r 2bdc3ac5e77c -r 55a55a9ec2c2 src/documentmanager.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/documentmanager.cpp	Sun Sep 22 11:51:41 2019 +0300
@@ -0,0 +1,7 @@
+#include "documentmanager.h"
+
+Model* DocumentManager::newModel()
+{
+	openModels.emplace_back();
+	return openModels.back().get();
+}