g_signal_connect (G_OBJECT (obj), "set-focus", G_CALLBACK (window_focus), obj);
g_signal_connect (G_OBJECT (modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (priv->to_field))),
"changed", G_CALLBACK (recpt_field_changed), obj);
g_signal_connect (G_OBJECT (obj), "set-focus", G_CALLBACK (window_focus), obj);
g_signal_connect (G_OBJECT (modest_recpt_editor_get_buffer (MODEST_RECPT_EDITOR (priv->to_field))),
"changed", G_CALLBACK (recpt_field_changed), obj);