X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Finput%2Fmouse.h;h=622a783b9960efd31ff201641bd49ae2277eb681;hb=b45ba2f7ceb60c1a6abc1a951a97b40c03671264;hp=c85d8d2b22fb2be4eea1beb0fb9f945d619dbb47;hpb=5d688fbf457b1f4d3bebde431a7f58c898be584c;p=libs%2Fgui.git

diff --git a/source/input/mouse.h b/source/input/mouse.h
index c85d8d2..622a783 100644
--- a/source/input/mouse.h
+++ b/source/input/mouse.h
@@ -1,6 +1,7 @@
 #ifndef MSP_INPUT_MOUSE_H_
 #define MSP_INPUT_MOUSE_H_
 
+#include <sigc++/trackable.h>
 #include <msp/graphics/window.h>
 #include "device.h"
 
@@ -13,7 +14,7 @@ uniform way.
 
 Note: Y axis grows upwards.
 */
-class Mouse: public Device
+class Mouse: public Device, public sigc::trackable
 {
 private:
 	Graphics::Window &window;