Add a pathfinder function to Route

[r2c2.git] / source / engineer / mainpanel.h

diff --git a/source/engineer/mainpanel.h b/source/engineer/mainpanel.h
index 56dd49450a6e9eb0ffb754e43cc86864ac4f6328..017617dafff437f9fdec9281b7337a10a5d2b7c8 100644 (file)
--- a/source/engineer/mainpanel.h
+++ b/source/engineer/mainpanel.h
@@ -8,13 +8,14 @@ Distributed under the GPL
 #ifndef MAINPANEL_H_
 #define MAINPANEL_H_
 
+#include <sigc++/trackable.h>
 #include <msp/gltk/indicator.h>
 #include <msp/gltk/label.h>
 #include <msp/gltk/panel.h>
 
 class Engineer;
 
-class MainPanel: public Msp::GLtk::Panel
+class MainPanel: public Msp::GLtk::Panel, public sigc::trackable
 {
 private:
        Engineer &engineer;