set_source_rgb (cr, textcolor);
cairo_move_to (cr, port_name_x() + xoff + name_pad(), yoff + name_pad() + off);
cairo_show_text (cr, bc.bundle->channel_name(bc.channel).c_str());
set_source_rgb (cr, textcolor);
cairo_move_to (cr, port_name_x() + xoff + name_pad(), yoff + name_pad() + off);
cairo_show_text (cr, bc.bundle->channel_name(bc.channel).c_str());