--- a/sources/model.h	2019-07-24 21:18:33.000000000 +0200
+++ b/sources/model.h	2020-07-28 17:11:17.441765416 +0200
@@ -27,6 +27,7 @@
 #include <QtPlugin>
 #include <QWidget>
 #include <QVector>
+#include <QPainterPath>
 
 class QAbstractItemModel;
 class QColor;