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livetrax/share/scripts/s_selection.lua

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ardour { ["type"] = "Snippet", name = "Editor Selection" }
function factory () return function ()
-- http://manual.ardour.org/lua-scripting/class_reference/#ArdourUI:Selection
-- the Ardour Selection can include multiple items
-- (regions, tracks, ranges, markers, automation, midi-notes etc)
local sel = Editor:get_selection ()
--
-- At the point of writing the following data items are available
--
-- Range selection, total span of all ranges (0, 0 if no time range is selected)
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if sel.time:start_sample () < sel.time:end_sample () then
print ("Total Range:", sel.time:start_sample (), sel.time:end_sample ())
end
-- .. and the same in Temporal.timepos_t
if sel.time:start_time () < sel.time:end_time () then
print ("Total Range:", sel.time:start_time (), sel.time:end_time ())
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end
-- Range selection, individual ranges.
for ar in sel.time:iter () do
-- each of the items is a
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-- http://manual.ardour.org/lua-scripting/class_reference/#ARDOUR:TimelineRange
print ("Range:", ar.id, ar.start_time, ar._end_time)
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end
-- Track/Bus Selection
-- http://manual.ardour.org/lua-scripting/class_reference/#ArdourUI:TrackSelection
for r in sel.tracks:routelist ():iter () do
-- each of the items is a
-- http://manual.ardour.org/lua-scripting/class_reference/#ARDOUR:Route
print ("Route:", r:name ())
end
-- Region selection
-- http://manual.ardour.org/lua-scripting/class_reference/#ArdourUI:RegionSelection
for r in sel.regions:regionlist ():iter () do
-- each of the items is a
-- http://manual.ardour.org/lua-scripting/class_reference/#ARDOUR:Region
print ("Region:", r:name ())
end
-- Markers
-- http://manual.ardour.org/lua-scripting/class_reference/#ArdourUI:MarkerSelection
-- Note: Marker selection is not cleared and currently (Ardour-4.7) points
-- to the most recently selected marker.
for m in sel.markers:iter () do
-- each of the items is a
-- http://manual.ardour.org/lua-scripting/class_reference/#ARDOURUI::ArdourMarker
print ("Marker:", m:name (), m:position(), m:_type())
end
----------------------------------------------------------
-- The total time extents of all selected regions and ranges
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local ok, ext = Editor:get_selection_extents (Temporal.timepos_t(0), Temporal.timepos_t(0))
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if ok then
print ("Selection Extents:", ext[1], ext[2])
else
print ("No region or range is selected")
end
end end