global_vpacker.pack_start (gain_meter.gain_automation_state_button, false, false, 1);
global_vpacker.pack_start (bottom_padding, false, false, 0);
global_vpacker.pack_start (gain_meter.gain_automation_state_button, false, false, 1);
global_vpacker.pack_start (bottom_padding, false, false, 0);