Update LuaDialog scripts

scripts/_dialog_test.lua

@@ -74,6 +74,8 @@ function factory () return function ()
 			default = 500
 		},
 
+		{ type = "heading", title = "Heading" },
+
 		{ type = "number", key = "number", title = "Whatever",  min = 0, max = 10, step = 1, digits = 2 }
 	}
 

scripts/midi_cc_to_automation.lua

@@ -1,22 +1,26 @@
-ardour { ["type"] = "Snippet", name = "MIDI CC to Plugin Automation" }
+ardour { ["type"] = "EditorAction", name = "MIDI CC to Plugin Automation",
+	license     = "MIT",
+	author      = "Ardour Team",
+	description = [[Parse a given MIDI control changes (CC) from all selected MIDI regions and convert them into plugin parameter automation]]
+}
 
 function factory () return function ()
 	-- find target parameters
 	local targets = {}
 	local have_entries = false
 	for r in Session:get_routes():iter() do -- for every track/bus
-		local i = 0;
+		local i = 0
 		while 1 do -- iterate over all plugins on the route
 			local proc = r:nth_plugin (i)
 			if proc:isnil () then break end
-			if not targets [r:name ()] then targets [r:name ()] = {} end
-			targets [r:name ()][proc:display_name ()] = {};
 			local plug = proc:to_insert ():plugin (0)
 			local n = 0
 			for j = 0, plug:parameter_count () - 1 do -- iterate over all plugin parameters
 				if plug:parameter_is_control(j) then
 					if plug:parameter_is_input(j) then
 						local nn = n
+						if not targets [r:name ()] then targets [r:name ()] = {} end
+						if not targets [r:name ()][proc:display_name ()] then targets [r:name ()][proc:display_name ()] = {} end
 						targets [r:name ()][proc:display_name ()][plug:parameter_label(j)] = function () return {["p"] = proc, ["n"] = nn} end
 						have_entries = true
 					end
@@ -29,23 +33,25 @@ function factory () return function ()
 
 	-- bail out if there are no parameters
 	if not have_entries then
-		LuaDialog.Message ("CC to Plugin", "No Plugins found", LuaDialog.MessageType.Info, LuaDialog.ButtonType.Close):run()
+		LuaDialog.Message ("CC to Plugin Automation", "No Plugins found", LuaDialog.MessageType.Info, LuaDialog.ButtonType.Close):run()
 		collectgarbage ()
 		return
 	end
 
 	-- create a dialog, ask user which MIDI-CC to map and to what parameter
 	local dialog_options = {
-		{ type = "dropdown", key = "param", title = "Target Parameter", values = targets },
+		{ type = "heading", title = "MIDI CC Source", align = "left" },
 		{ type = "number", key = "channel", title = "Channel",  min = 1, max = 16, step = 1, digits = 0 },
-		{ type = "number", key = "ccparam", title = "CC Parameter",  min = 0, max = 127, step = 1, digits = 0 }
+		{ type = "number", key = "ccparam", title = "CC Parameter",  min = 0, max = 127, step = 1, digits = 0 },
+		{ type = "heading", title = "Target Track and Plugin", align = "left"},
+		{ type = "dropdown", key = "param", title = "Target Parameter", values = targets }
 	}
 	local od = LuaDialog.Dialog ("Select Taget", dialog_options)
 	local rv = od:run()
 
 	if not rv then
 		od = nil collectgarbage ()
-		return;
+		return
 	end
 
 	-- parse user response
@@ -91,5 +97,17 @@ function factory () return function ()
 		Session:commit_reversible_command (nil)
 	else
 		Session:abort_reversible_command ()
+		LuaDialog.Message ("CC to Plugin Automation", "No data was converted. Was a MIDI-region selected?", LuaDialog.MessageType.Info, LuaDialog.ButtonType.Close):run()
+		collectgarbage ()
 	end
 end end
+
+
+function icon (params) return function (ctx, width, height, fg)
+	local txt = Cairo.PangoLayout (ctx, "ArdourMono ".. math.ceil(width * .45) .. "px")
+	txt:set_text ("CC\nPA")
+	local tw, th = txt:get_pixel_size ()
+	ctx:set_source_rgba (ARDOUR.LuaAPI.color_to_rgba (fg))
+	ctx:move_to (.5 * (width - tw), .5 * (height - th))
+	txt:show_in_cairo_context (ctx)
+end end