Fix signal template errorsignal-fix

2 files changed, 9 insertions, 3 deletions

diff --git a/engine/include/core/signal.hpp b/engine/include/core/signal.hpp
index a420989..606d61a 100644
--- a/engine/include/core/signal.hpp
+++ b/engine/include/core/signal.hpp
@@ -120,11 +120,15 @@ namespace flat
         bool connect(listener* l);
         void disconnect(listener* l);
 
-        listener::ptr connect(listener::callback f, const std::initializer_list<std::string>& filters = {});
+        listener::ptr connect(listener::callback f,
+            const std::initializer_list<std::string>& filters = {});
 
         template<typename R, typename T>
-        inline listener::ptr connect(R T::*mf, T& obj, const std::initializer_list<std::string>& filters = {}) {
-            return connect(std::bind(mf, obj), filters);
+        inline listener::ptr connect(R T::*mf, T& obj,
+            const std::initializer_list<std::string>& filters = {})
+        {
+            using namespace std::placeholders;
+            return connect(std::bind(mf, obj, _1, _2), filters);
         }
        
         static ptr find(const std::string&); 
diff --git a/test/signal_test.cpp b/test/signal_test.cpp
index 39d7e0f..cd487b0 100644
--- a/test/signal_test.cpp
+++ b/test/signal_test.cpp
@@ -1,7 +1,9 @@
 #include "core/signal.hpp"
 #include "core/task.hpp"
 #include "object.hpp"
+#include "window.hpp"
 #include "flatland.hpp"
+
 #include <iostream>
 
 using namespace std;