X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Finput%2Fkeyboard.h;h=15fe4f95cd814f7ef6c7034659c265f29ede18d9;hb=b45ba2f7ceb60c1a6abc1a951a97b40c03671264;hp=8cd83f221c3cba317588ec35c4bf216cdb732cf9;hpb=5627c06b70fe2e8e926ed8d1d2d3fff0a33a503f;p=libs%2Fgui.git

diff --git a/source/input/keyboard.h b/source/input/keyboard.h
index 8cd83f2..15fe4f9 100644
--- a/source/input/keyboard.h
+++ b/source/input/keyboard.h
@@ -1,6 +1,7 @@
 #ifndef MSP_INPUT_KEYBOARD_H_
 #define MSP_INPUT_KEYBOARD_H_
 
+#include <sigc++/trackable.h>
 #include <msp/graphics/window.h>
 #include <msp/stringcodec/ustring.h>
 #include "device.h"
@@ -12,7 +13,7 @@ namespace Input {
 Adapts key events from a window to the abstracted input framework.  Key codes
 are translated to platform-independent values.  See keys.h for a list.
 */
-class Keyboard: public Device
+class Keyboard: public Device, public sigc::trackable
 {
 public:
 	sigc::signal<bool, StringCodec::unichar>::accumulated<EventAccumulator> signal_character;