0ecf1e40ea add Editor-level action to toggle track layer display
gtk2_ardour/ardour.menus.in | 2 ++
gtk2_ardour/editor.h | 1 +
gtk2_ardour/editor_actions.cc | 1 +
gtk2_ardour/editor_ops.cc | 31 +++++++++++++++++++++++++++++++
4 files changed, 35 insertions(+)