Hi Christof,
> Hi,
>
> I am confused: the documentation for
> Gio::DBus::Connection::signal_subscribe mentions:
>
> If the connection is not a message bus connection, sender must be 0.
>
> But how is that supposed to work? "sender" is "const Glib::ustring&"
> and if I try to pass in nullptr (or 0) the string constructor
> complains about the null pointer.
>
> Am I missing something?
>
>
> Christof
>
guint Gio::DBus::Connection::signal_subscribe ( const SlotSignal&
slot,
const Glib::ustring& sender = Glib::ustring(),
const Glib::ustring& interface_name = Glib::ustring(),
const Glib::ustring& member = Glib::ustring(),
const Glib::ustring& object_path = Glib::ustring(),
const Glib::ustring& arg0 = Glib::ustring(),
SignalFlags flags = Gio::DBus::SIGNAL_FLAGS_NONE
)
I just wake up, sender is a reference, not a pointer. Maybe you are trying to
dereferencing a null
pointer...
have you try to do :
Glib::ustring sender;
...->signal_subscribe( ..., sender, ... );
or just let the paramater not set,
...->signal_subscribe( ..., , ... );
regards,
nicolas
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