g_signal_connect (model, "row-deleted", G_CALLBACK (on_dest_data_delete),
selector);
g_signal_connect (selector, "destroy", G_CALLBACK (remove_selector_handlers), model);
g_signal_connect (model, "row-deleted", G_CALLBACK (on_dest_data_delete),
selector);
g_signal_connect (selector, "destroy", G_CALLBACK (remove_selector_handlers), model);