Also move Lua scripts to share subfolder

share/scripts/bounce_replace.lua

@@ -0,0 +1,101 @@
+ardour { ["type"] = "EditorAction", name = "Bounce+Replace Regions",
+	license     = "MIT",
+	author      = "Ardour Team",
+	description = [[Bounce selected regions with processing and replace region]]
+}
+
+function factory (params) return function ()
+	-- there is currently no direct way to find the track
+	-- corresponding to a [selected] region
+	function find_track_for_region (region_id)
+		for route in Session:get_tracks():iter() do
+			local track = route:to_track();
+			local pl = track:playlist ()
+			if not pl:region_by_id (region_id):isnil () then
+				return track
+			end
+		end
+		assert (0); -- can't happen, region must be in a playlist
+	end
+
+	-- get selection
+	-- http://manual.ardour.org/lua-scripting/class_reference/#ArdourUI:Selection
+	local sel = Editor:get_selection ()
+
+	-- prepare undo operation
+	Session:begin_reversible_command ("Bounce+Replace Regions")
+	local add_undo = false -- keep track if something has changed
+
+	-- Iterate over Regions part of the selection
+	-- http://manual.ardour.org/lua-scripting/class_reference/#ArdourUI:RegionSelection
+	for r in sel.regions:regionlist ():iter () do
+		-- each of the items 'r' is a
+		-- http://manual.ardour.org/lua-scripting/class_reference/#ARDOUR:Region
+
+		local track = find_track_for_region (r:to_stateful():id())
+		local playlist = track:playlist ()
+
+		-- clear existing changes, prepare "diff" of state for undo
+		playlist:to_stateful ():clear_changes ()
+
+		-- bounce the region with processing
+		local region = track:bounce_range (r:position (), r:position() + r:length (), ARDOUR.InterThreadInfo (), track:main_outs (), false);
+
+		-- remove old region..
+		playlist:remove_region (r);
+		-- ..and add the newly bounced one
+		playlist:add_region (region, r:position (), 1, false, 0, 0, false)
+
+		-- create a diff of the performed work, add it to the session's undo stack
+		-- and check if it is not empty
+		if not Session:add_stateful_diff_command (playlist:to_statefuldestructible ()):empty () then
+			add_undo = true
+		end
+	end
+
+	-- all done, commit the combined Undo Operation
+	if add_undo then
+		-- the 'nil' Command here mean to use the collected diffs added above
+		Session:commit_reversible_command (nil)
+	else
+		Session:abort_reversible_command ()
+	end
+
+end end
+
+function icon (params) return function (ctx, width, height, fg)
+	local wh = math.min (width, height) * .5
+	local ar = wh * .2
+
+	ctx:set_line_width (1)
+	function stroke_outline (c)
+		ctx:set_source_rgba (0, 0, 0, 1)
+		ctx:stroke_preserve ()
+		ctx:set_source_rgba (c, c, c, 1)
+		ctx:fill ()
+	end
+
+	ctx:translate (math.floor (width * .5 - wh), math.floor (height * .5 - wh))
+	ctx:rectangle (wh - wh * .6, wh - .7 * wh, wh * 1.2, .5 * wh)
+	stroke_outline (.7)
+
+	ctx:rectangle (wh - wh * .6, wh + .1 * wh, wh * 1.2, .5 * wh)
+	stroke_outline (.9)
+
+	-- arrow
+	ctx:set_source_rgba (0, 1, 0, 1)
+	ctx:set_line_width (ar * .7)
+
+	ctx:move_to (wh, wh - .5 * wh)
+	ctx:rel_line_to (0, wh)
+	ctx:stroke ()
+
+	ctx:move_to (wh, wh + .5 * wh)
+	ctx:rel_line_to (-ar, -ar)
+	ctx:rel_line_to (2 * ar, 0)
+	ctx:close_path ()
+	ctx:stroke ()
+
+
+
+end end