From 7af91ee8faafab80553cde9136ea31400c2e3ad4 Mon Sep 17 00:00:00 2001
From: Felipe Magno de Almeida <felipe@expertisesolutions.com.br>
Date: Thu, 17 Jul 2014 21:46:50 -0300
Subject: [PATCH] eo-cxx: Added support for returning-void function objects

---
 src/bindings/eo_cxx/eo_event.hh | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/bindings/eo_cxx/eo_event.hh b/src/bindings/eo_cxx/eo_event.hh
index 4d990ce..f3d2e51 100644
--- a/src/bindings/eo_cxx/eo_event.hh
+++ b/src/bindings/eo_cxx/eo_event.hh
@@ -115,12 +115,27 @@ signal_connection make_signal_connection(std::unique_ptr<F>& data, Eo* eo, ::Eo_
 namespace _detail {
 
 template <typename T, typename F>
+Eina_Bool really_call_event(T& wrapper, F& f, Eo_Event_Description const& desc, void *info
+                            , std::true_type)
+{
+   f(wrapper, desc, info);
+   return true;
+}
+template <typename T, typename F>
+Eina_Bool really_call_event(T& wrapper, F& f, Eo_Event_Description const& desc, void *info
+                            , std::false_type)
+{
+   return f(wrapper, desc, info);
+}
+
+template <typename T, typename F>
 Eina_Bool
 event_callback(void *data, Eo *obj, Eo_Event_Description const* desc, void *info)
 {
    T wrapper(::eo_ref(obj));
    F *f = static_cast<F*>(data);
-   return (*f)(wrapper, *desc, info);
+   return _detail::really_call_event(wrapper, *f, *desc, info
+                                     , std::is_void<decltype((*f)(wrapper, *desc, info))>());
 }
 
 }
-- 
2.7.4