Re How can be signal_remove() used on Window? For Guillaume Brocker

[Dimitri Holz <d holz innoventis de>]

Dimitri Holz a écrit :
> (*this      is  an  Gtk::Window )
> this->signal_remove().connect(sigc::mem_fun(*this,&MainView::OnRemovedWindow)); 

Hi !

You dereferenced the "this" pointer where you should note. Here is the 
version that might compile :
this->signal_remove().connect(sigc::mem_fun(this,&MainView::OnRemovedWindow)); 


Best regards.

Guillaume


Whithout dereferencing the "this" pointer I became this error:






make all
Build für Datei wird erstellt: MainView.cpp
Aufruf des GCC-C++-Compilers
g++ 
-I"/cygdrive\d\Eigene_Dateien\dholz\MyWorkspace\CanActorAPI\FTDI-Treiber\bin"    
-I"/cygdrive\d\Eigene_Dateien\dholz\MyWorkspace\CanActorAPI\src" 
-I"/cygdrive\c\Programme\Gemeinsame 
Dateien\GTK\include\gtkmm-2.4"           
-I"/cygdrive\c\Programme\Gemeinsame Dateien\GTK\include\cairomm-1.0" 
-I"/cygdrive\c\Programme\Gemeinsame 
Dateien\GTK\lib\gtkmm-2.4\include"       
-I"/cygdrive\c\Programme\Gemeinsame Dateien\GTK\include\glibmm-2.4" 
-I"/cygdrive\c\Programme\Gemeinsame 
Dateien\GTK\lib\glibmm-2.4\include"      
-I"/cygdrive\c\Programme\Gemeinsame Dateien\GTK\include\gdkmm-2.4" 
-I"/cygdrive\c\Programme\Gemeinsame 
Dateien\GTK\lib\gdkmm-2.4\include"       
-I"/cygdrive\c\Programme\Gemeinsame Dateien\GTK\include\pangomm-1.4" 
-I"/cygdrive\c\Programme\Gemeinsame 
Dateien\GTK\include\atkmm-1.6"           
-I"/cygdrive\c\Programme\Gemeinsame Dateien\GTK\include\libglademm-2.4" 
-I"/cygdrive\c\Programme\Gemeinsame 
Dateien\GTK\lib\libglademm-2.4\include"  
-I"/cygdrive\c\Programme\Gemeinsame Dateien\GTK\include\gtk-2.0" 
-I"/cygdrive\c\Programme\Gemeinsame 
Dateien\GTK\include\sigc++-2.0"          
-I"/cygdrive\c\Programme\Gemeinsame Dateien\GTK\lib\sigc++-2.0\include" 
-I"/cygdrive\c\Programme\Gemeinsame 
Dateien\GTK\include\glib-2.0"            
-I"/cygdrive\c\Programme\Gemeinsame Dateien\GTK\lib\glib-2.0\include" 
-I"/cygdrive\c\Programme\Gemeinsame 
Dateien\GTK\lib\gtk-2.0\include"         
-I"/cygdrive\c\Programme\Gemeinsame Dateien\GTK\include\pango-1.0" 
-I"/cygdrive\c\Programme\Gemeinsame 
Dateien\GTK\include\cairo"               
-I"/cygdrive\c\Programme\Gemeinsame Dateien\GTK\include\atk-1.0" 
-I"/cygdrive\c\Programme\Gemeinsame 
Dateien\GTK\include"                     
-I"/cygdrive\c\Programme\Gemeinsame Dateien\GTK\include\libxml2"  -O0 
-g3 -Wall -c -fmessage-length=0 -mms-bitfields -mno-cygwin  -MMD -MP 
-MF"deps/MainView.d" -MT"deps/MainView.d" -o"obj/MainView.o" "MainView.cpp"
/cygdrive/c/Programme/Gemeinsame 
Dateien/GTK/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 
= Gtk::Widget* const&, T_functor = sigc::bound_mem_functor0<void, 
MainView>]':
/cygdrive/c/Programme/Gemeinsame 
Dateien/GTK/include/sigc++-2.0/sigc++/functors/slot.h:136:   
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<void, MainView>, T_return = void, T_arg1 = 
Gtk::Widget*]'
/cygdrive/c/Programme/Gemeinsame 
Dateien/GTK/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<void, MainView>, T_return = void, T_arg1 = 
Gtk::Widget*]'
/cygdrive/c/Programme/Gemeinsame 
Dateien/GTK/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<void, MainView>, 
T_return = void, T_arg1 = Gtk::Widget*]'
/cygdrive/c/Programme/Gemeinsame 
Dateien/GTK/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<void, MainView>, T_return = 
void, T_arg1 = Gtk::Widget*]'
MainView.cpp:299:   instantiated from here
/cygdrive/c/Programme/Gemeinsame 
Dateien/GTK/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:84: 
error: no match for call to `(sigc::bound_mem_functor0<void, MainView>) 
(Gtk::Widget* const&)'
/cygdrive/c/Programme/Gemeinsame 
Dateien/GTK/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787: note: 
candidates are: T_return sigc::bound_mem_functor0<T_return, 
T_obj>::operator()() const [with T_return = void, T_obj = MainView]
/cygdrive/c/Programme/Gemeinsame 
Dateien/GTK/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:84: 
error: return-statement with a value, in function returning 'void'
make: *** [obj/MainView.o] Error 1