PRIORITY_DEFAULT_IDLE
Connects an idle handler.
Glib::signal_idle().connect(sigc::ptr_fun(&idle_handler));
const Glib::RefPtr<Glib::IdleSource> idle_source = Glib::IdleSource::create(); idle_source->connect(sigc::ptr_fun(&idle_handler)); idle_source->attach(Glib::MainContext::get_default());