X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2F3d%2Ftrack.h;h=9555bff7a67083edb30f991cdbcdd7e8d46eb549;hb=598631d530a20ba8f4710f45747a9742e149f604;hp=e1dd29196e3146b36462c7a9bd271d135bb0572f;hpb=4b7008978ce5b67e7e1db14b4a359e4ab1881bbd;p=r2c2.git

diff --git a/source/3d/track.h b/source/3d/track.h
index e1dd291..9555bff 100644
--- a/source/3d/track.h
+++ b/source/3d/track.h
@@ -9,6 +9,7 @@ Distributed under the GPL
 #define R2C2_3D_TRACK_H_
 
 #include <list>
+#include <sigc++/trackable.h>
 #include <msp/gl/matrix.h>
 #include <msp/gl/objectinstance.h>
 #include "libr2c2/track.h"
@@ -22,7 +23,7 @@ class Layout3D;
 class Path3D;
 class TrackType3D;
 
-class Track3D: public Object3D, public Msp::GL::ObjectInstance
+class Track3D: public Object3D, public Msp::GL::ObjectInstance, public sigc::trackable
 {
 private:
 	Layout3D &layout;
@@ -47,6 +48,8 @@ public:
 	Msp::GL::Matrix get_matrix() const;
 	virtual void setup_render(Msp::GL::Renderer &, const Msp::GL::Tag &) const;
 	virtual void finish_render(Msp::GL::Renderer &, const Msp::GL::Tag &) const;
+private:
+	void link_changed(unsigned, Track *);
 };
 
 } // namespace R2C2