?? ()
_gtk_marshal_BOOLEAN__BOXED (closure=0x470ee20, return_value=0x7fff67c87010, n_param_values=<optimized out>, param_values=0x7fff67c87080, invocation_hint=<optimized out>, marshal_data=<optimized out>) at /build/buildd/gtk+2.0-2.24.10/gtk/gtkmarshalers.c:86
g_closure_invoke (closure=0x470ee20, return_value=0x7fff67c87010, n_param_values=2, param_values=0x7fff67c87080, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gobject/gclosure.c:777
signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x7fff67c87250, instance_and_params=0x7fff67c87080) at /build/buildd/glib2.0-2.32.0/./gobject/gsignal.c:3547
g_signal_emit_valist (instance=0x471fb40, signal_id=<optimized out>, detail=0, var_args=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gobject/gsignal.c:3306