From 0c6d3694345257672f95a49710d89c7109bef02a Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Sat, 1 Aug 2020 01:15:57 +0200
Subject: [PATCH] Tweak list-plugins script & add icon

---
 share/scripts/list_plugins.lua | 36 +++++++++++++++++++++++++++++-----
 1 file changed, 31 insertions(+), 5 deletions(-)

diff --git a/share/scripts/list_plugins.lua b/share/scripts/list_plugins.lua
index 05514925a4..5ddbdc96fe 100644
--- a/share/scripts/list_plugins.lua
+++ b/share/scripts/list_plugins.lua
@@ -5,7 +5,7 @@ ardour { ["type"] = "EditorAction", name = "List Plugins",
 }
 
 function factory () return function ()
-	local rv = "Plugins used in this session:\n<span face=\"mono\">CNT | TYPE | NAME</span>"
+	local rv = "Plugins used in this session:\n\n"
 	local all_plugs = {}
 
 	for r in Session:get_routes ():iter () do
@@ -18,8 +18,10 @@ function factory () return function ()
 			local pp = pi:plugin (0)
 			local id = pi:type() .. "-" .. pp:unique_id()
 			local cnt = 0
+			if pi:is_channelstrip () then goto nextproc end
 			if all_plugs[id] then cnt = all_plugs[id]['cnt'] end
 			all_plugs[id] = { name = proc:name(), ["type"] = pi:type(), id = pp:unique_id(), cnt = (cnt + 1) }
+			::nextproc::
 			i = i + 1
 		end
 		::nextroute::
@@ -36,10 +38,34 @@ function factory () return function ()
 		return "??"
 	end
 
-	for k,v in pairs (all_plugs) do
-		print (string.format ("%2d * %-6s %-30s (%s)", v['cnt'], plugintypestr(v['type']), v['name'], v['id']))
-		rv = rv .. "\n" .. string.format ("%2d * %-6s %s", v['cnt'], plugintypestr(v['type']), v['name'])
+	if next(all_plugs) == nil then
+		rv = rv .. " -- NONE --"
+	else
+		rv = rv .. "<span face=\"mono\">CNT | TYPE | NAME</span>"
 	end
 
-	LuaDialog.Message ("All Plugins", "<span face=\"mono\">" .. rv .. "</span>", LuaDialog.MessageType.Info, LuaDialog.ButtonType.Close):run()
+	for k,v in pairs (all_plugs) do
+		print (string.format ("%2d * %-6s %-30s (%s)", v['cnt'], plugintypestr(v['type']), v['name'], v['id']))
+		rv = rv .. "\n<span face=\"mono\">" .. string.format ("%3d * %-6s %s", v['cnt'], plugintypestr(v['type']), v['name']) .. "</span>"
+	end
+
+	LuaDialog.Message ("All Plugins",rv , LuaDialog.MessageType.Info, LuaDialog.ButtonType.Close):run()
+end end
+
+function icon (params) return function (ctx, width, height, fg)
+	local wh = math.min (width, height)
+	ctx:set_source_rgba (ARDOUR.LuaAPI.color_to_rgba (fg))
+	ctx:rectangle (wh * .2, wh * .35, wh * .4, wh * .3)
+	ctx:fill ()
+	ctx:rectangle (wh * .65, wh * .35, wh * .1, wh * .3)
+	ctx:fill ()
+	ctx:set_line_join (Cairo.LineJoin.Bevel)
+	ctx:set_line_width (.5)
+	ctx:move_to (wh * 0.85, wh * .35)
+	ctx:line_to (wh, wh * .5)
+	ctx:line_to (wh * 0.85, wh * .65)
+	ctx:close_path ()
+	ctx:fill_preserve ()
+	ctx:stroke ()
+
 end end