--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -69,6 +69,7 @@
       aboutdialog.h
       taskfiltermodel.h
       animpoint.h
+      arrowobj.h
       attribute.h
       attributeitem.h
       #   attributedelegate.h
@@ -156,6 +157,7 @@
       aboutdialog.cpp
       taskfiltermodel.cpp
       animpoint.cpp
+      arrowobj.cpp
       attribute.cpp
       attributeitem.cpp
       #   attributedelegate.cpp