M src/FbTk/Command.hh → src/FbTk/Command.hh

@@ -22,14 +22,19 @@ 
 #ifndef FBTK_COMMAND_HH
 #define FBTK_COMMAND_HH
 
+#include "Slot.hh"
+
 namespace FbTk {
 
-/// Interface class for commands
+/** Interface class for commands
+ * Actually, it's very similar to Slot (execute instead of operator()) and could be removed at
+ * some point.
+ */
 template <typename Ret=void>
-class Command {
+class Command: public Slot<Ret> {
 public:
-    virtual ~Command() { }
     virtual Ret execute() = 0;
+    virtual Ret operator()() { return execute(); }
 };
 
 } // end namespace FbTk