Also move Lua scripts to share subfolder

share/scripts/_route_template_generic_midi.lua

@@ -0,0 +1,78 @@
+ardour {
+	["type"]    = "EditorAction",
+	name        = "Generic MIDI Track",
+	description = [[Example]]
+}
+
+-- If a route_setup function is present in an Editor Action Script
+-- the script is also listed in the "add track/bus" dialog as meta-template
+--
+-- The function is expected to return a Lua table. The table may be empty.
+function route_setup ()
+	return
+	{
+		-- keys control which AddRouteDialog controls are made sensitive.
+		-- The following keys accept a default value to pre-seed the dialog.
+		['how_many'] = 1,
+		['name'] = 'MIDI',
+		['channels'] = nil,
+		['track_mode'] = nil,
+		['strict_io'] = true,
+		-- these keys just need to be set (to something other than nil)
+		-- in order to set the control sensitives
+		['insert_at'] = ARDOUR.PresentationInfo.max_order,
+		['group'] = false, -- return value will be a RouteGroup*
+		['instrument'] = true, -- return value will be a PluginInfoPtr
+	}
+end
+
+-- The Script can be used as EditorAction in which case it can
+-- optionally provide instantiation parmaters
+function action_params ()
+	return
+	{
+		['how_many']   = { title = "How Many tracks to add", default = "1" },
+		["name"]       = { title = "Track Name Prefix", default = "MIDI" },
+		["instrument"] = { title = "Add Instrument", default = "true" },
+	}
+end
+
+
+function factory (params) return function ()
+	-- When called from the AddRouteDialog, 'params' will be a table with
+	-- keys as described in route_setup() above.
+
+	local p          = params or route_setup ()
+	local name       = p["name"] or 'Audio'
+	local how_many   = p["how_many"] or 1
+	local insert_at  = p["insert_at"] or ARDOUR.PresentationInfo.max_order;
+	local group      = p["group"] or nil
+	local strict_io  = p["strict_io"] or false
+	local instrument = p["instrument"] or nil
+
+	-- used in 'action-script mode'
+	if instrument == "true" then
+		instrument = ARDOUR.LuaAPI.new_plugin_info ("http://gareus.org/oss/lv2/gmsynth", ARDOUR.PluginType.LV2) -- general midi synth
+		if instrument:isnil () then
+			instrument = ARDOUR.LuaAPI.new_plugin_info ("https://community.ardour.org/node/7596", ARDOUR.PluginType.LV2) -- reasonable synth
+		end
+		if instrument:isnil () then
+			LuaDialog.Message ("MIDI track add", "Cannot find instrument plugin",
+				LuaDialog.MessageType.Info, LuaDialog.ButtonType.Close):run ()
+			return
+		end
+	end
+
+	-- add no instrument
+	if type (instrument) ~= "userdata" then
+		instrument = ARDOUR.PluginInfo ()
+	end
+
+	Session:new_midi_track(
+		ARDOUR.ChanCount(ARDOUR.DataType ("midi"), 1),
+		ARDOUR.ChanCount(ARDOUR.DataType ("audio"), 2),
+		strict_io,
+		instrument, nil,
+		group, how_many, name, insert_at, ARDOUR.TrackMode.Normal)
+
+end end