Add script that duplicates regions on the grid

share/scripts/duplicate_to_grid.lua

@@ -0,0 +1,37 @@
+ardour {
+   ["type"]    = "EditorAction",
+   name        = "Duplicate to grid",
+   version     = "0.1.0",
+   license     = "MIT",
+   author      = "Daniel Appelt",
+   description = [[Duplicate region to grid]]
+}
+
+function factory () return function ()
+  -- Get first selected region
+  local regionList = Editor:get_selection().regions:regionlist()
+  local region = regionList:front()
+
+  -- Bail out if no region was selected
+  if region:isnil() then
+    LuaDialog.Message("Duplicate to grid", "Please select a region first!",
+      LuaDialog.MessageType.Info, LuaDialog.ButtonType.Close):run()
+    return
+  end
+
+  -- Create duplicate of region
+  local playlist = region:playlist()
+  local curPos = region:position()
+  local curBeat = Editor:get_grid_type_as_beats(true, curPos)
+  local nextPos = Temporal.timepos_t.from_ticks(curPos:ticks() + curBeat:to_ticks())
+  -- gap could be used to create mulitple duplicates at once
+  local gap = Temporal.timecnt_t.from_ticks(curBeat:to_ticks())
+  playlist:duplicate(region, nextPos, gap, 1)
+
+  -- Change selection to duplicate to allow repeated application
+  local selectionList = ArdourUI.SelectionList()
+  region = playlist:find_next_region(curPos, ARDOUR.RegionPoint.Start, 1)
+  local regionView = Editor:regionview_from_region(region)
+  selectionList:push_back(regionView)
+  Editor:set_selection(selectionList, ArdourUI.SelectionOp.Set)
+end end