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livetrax/share/scripts/duplicate_to_grid.lua

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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