Added ProjectionHistory object for history tracking.

1 files changed, 2 insertions, 0 deletions

diff --git a/pm.pro b/pm.pro
index a53e7e1..426cb23 100644
--- a/pm.pro
+++ b/pm.pro
@@ -36,6 +36,7 @@ HEADERS += main.h \
     selectionhandler.h \
     brushinghandler.h \
     projectionobserver.h \
+    projectionhistory.h \
     skelft.h \
     skelftkernel.h \
     mp.h
@@ -56,6 +57,7 @@ SOURCES += main.cpp \
     selectionhandler.cpp \
     brushinghandler.cpp \
     projectionobserver.cpp \
+    projectionhistory.cpp \
     skelft_core.cpp \
     lamp.cpp \
     plmp.cpp \