+ vbox->signal_size_allocate().connect (sigc::mem_fun (*this, &PluginPinDialog::map_height));
+ scroller = manage (new ScrolledWindow);
+ scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
+ scroller->set_shadow_type (Gtk::SHADOW_NONE);
+ scroller->show ();