/usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h: In member function «typename sigc::adaptor_functor<T_functor>::deduce_result_type<T_arg1, void, void, void, void, void, void>::type sigc::adaptor_functor<T_functor>::operator()(T_arg1) const [with T_arg1 = GdkEventButton* const&, T_functor = sigc::bound_mem_functor0<bool, Case>]":
/usr/include/sigc++-2.0/sigc++/functors/slot.h:137:   instantiated from «static T_return sigc::internal::slot_call1<T_functor, T_return, T_arg1>::call_it(sigc::internal::slot_rep*, typename sigc::type_trait<T_arg3>::take) [with T_functor = sigc::bound_mem_functor0<bool, Case>, T_return = bool, T_arg1 = GdkEventButton*]"
/usr/include/sigc++-2.0/sigc++/functors/slot.h:144:   instantiated from «static void* (* sigc::internal::slot_call1<T_functor, T_return, T_arg1>::address())(void*) [with T_functor = sigc::bound_mem_functor0<bool, Case>, T_return = bool, T_arg1 = GdkEventButton*]"
/usr/include/sigc++-2.0/sigc++/functors/slot.h:529:   instantiated from «sigc::slot1<T_return, T_arg1>::slot1(const T_functor&) [with T_functor = sigc::bound_mem_functor0<bool, Case>, T_return = bool, T_arg1 = GdkEventButton*]"
/usr/include/sigc++-2.0/sigc++/functors/slot.h:1157:   instantiated from «sigc::slot<T_return, T_arg1, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>::slot(const T_functor&) [with T_functor = sigc::bound_mem_functor0<bool, Case>, T_return = bool, T_arg1 = GdkEventButton*]"
case.cpp:4:   instantiated from here
/usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:84: erreur: no match for call to «(sigc::bound_mem_functor0<bool, Case>) (GdkEventButton* const&)"
/usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1786: note: candidats sont: T_return sigc::bound_mem_functor0<T_return, T_obj>::operator()() const [with T_return = bool, T_obj = Case]