X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Frender%2Fwindowview.h;fp=source%2Frender%2Fwindowview.h;h=e61107a4790c2d492eda33c89de11af02b0213fa;hb=791f266553f0e6c6fc006d96eb9bc2967beb7012;hp=ee7c44dce994268f8b75555b576609e1386221e4;hpb=54e758597f72544719119e4660af742628645ff6;p=libs%2Fgl.git

diff --git a/source/render/windowview.h b/source/render/windowview.h
index ee7c44dc..e61107a4 100644
--- a/source/render/windowview.h
+++ b/source/render/windowview.h
@@ -1,6 +1,7 @@
 #ifndef MSP_GL_WINDOWVIEW_H_
 #define MSP_GL_WINDOWVIEW_H_
 
+#include <sigc++/trackable.h>
 #include <msp/graphics/glcontext.h>
 #include <msp/graphics/window.h>
 #include "view.h"
@@ -8,7 +9,7 @@
 namespace Msp {
 namespace GL {
 
-class WindowView: public View
+class WindowView: public View, public sigc::trackable
 {
 private:
 	Graphics::Window &window;