--- a/ui/qt/qt4.pro	Wed Jan 20 16:00:05 2016 +0100
+++ b/ui/qt/qt4.pro	Wed Jan 20 17:37:52 2016 +0100
@@ -46,6 +46,7 @@
 SOURCES += tree.cpp
 SOURCES += button.cpp
 SOURCES += label.cpp
+SOURCES += graphics.cpp
 
 HEADERS += toolkit.h
 HEADERS += window.h
@@ -58,4 +59,5 @@
 HEADERS += tree.h
 HEADERS += button.h
 HEADERS += label.h
+HEADERS += graphics.h