- gtk_box_pack_start (GTK_BOX (priv->header_box), priv->from_field, FALSE, FALSE, 0);
+ from_send_hbox = gtk_hbox_new (FALSE, 0);
+ gtk_box_pack_start (GTK_BOX (from_send_hbox), priv->from_field, TRUE, TRUE, 0);
+ gtk_box_pack_start (GTK_BOX (from_send_hbox), priv->send_button, FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX (priv->header_box), from_send_hbox, FALSE, FALSE, 0);