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livetrax/share/scripts/select_regions_at_playhead.lua

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ardour { ["type"] = "EditorAction", name = "Select Regions at the Playhead",
license = "MIT",
author = "Ardour Team",
description = [[Select regions under the playhead on selected track(s)]]
}
function factory (params) return function ()
local loc = Session:locations () -- all marker locations
-- get the playhead postion
local playhead = Temporal.timepos_t (Session:transport_sample ())
local sl = ArdourUI.SelectionList () -- empty selection list
-- http://manual.ardour.org/lua-scripting/class_reference/#ArdourUI:Selection
local sel = Editor:get_selection ()
-- Track/Bus Selection -- iterate over all Editor-GUI selected tracks
-- http://manual.ardour.org/lua-scripting/class_reference/#ArdourUI:TrackSelection
for r in sel.tracks:routelist ():iter () do
-- each of the items 'r' is-a
-- http://manual.ardour.org/lua-scripting/class_reference/#ARDOUR:Route
local track = r:to_track () -- see if it's a track
if track:isnil () then
-- if not, skip it
goto continue
end
-- get track's playlist
-- http://manual.ardour.org/lua-scripting/class_reference/#ARDOUR:Playlist
local playlist = track:playlist ()
for region in playlist:regions_at (playhead):iter () do
local rv = Editor:regionview_from_region (region)
sl:push_back (rv);
end
::continue::
end
-- set/replace current selection in the editor
Editor:set_selection (sl, ArdourUI.SelectionOp.Set);
end end