71 lines
2.4 KiB
Lua
71 lines
2.4 KiB
Lua
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ardour { ["type"] = "EditorHook", name = "On Editor Selection Change" }
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function signals ()
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-- call script function when editor selection changes
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return LuaSignal.Set():add ({[LuaSignal.SelectionChanged] = true})
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end
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-- output is printed to Window > Log
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function factory () return function ()
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-- http://manual.ardour.org/lua-scripting/class_reference/#ArdourUI:Selection
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-- the Ardour Selection can include multiple items
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-- (regions, tracks, ranges, markers, automation, midi-notes etc)
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local sel = Editor:get_selection ()
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--
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-- At the point of writing the following data items are available
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--
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-- Track/Bus Selection
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-- http://manual.ardour.org/lua-scripting/class_reference/#ArdourUI:TrackSelection
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for r in sel.tracks:routelist ():iter () do
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-- each of the items is a
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-- http://manual.ardour.org/lua-scripting/class_reference/#ARDOUR:Route
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print ("Route:", r:name ())
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end
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-- Region selection
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-- http://manual.ardour.org/lua-scripting/class_reference/#ArdourUI:RegionSelection
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for r in sel.regions:regionlist ():iter () do
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-- each of the items is a
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-- http://manual.ardour.org/lua-scripting/class_reference/#ARDOUR:Region
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print ("Region:", r:name ())
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end
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-- Time 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
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print ("Total Range:", sel.time:start_sample (), sel.time:end_sample ())
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end
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-- .. and the same in Temporal.timepos_t
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if sel.time:start_time () < sel.time:end_time () then
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print ("Total Range:", sel.time:start_time (), sel.time:end_time ())
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end
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-- Range selection, individual ranges.
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for ar in sel.time:iter () do
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-- each of the items is a
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-- http://manual.ardour.org/lua-scripting/class_reference/#ARDOUR:TimelineRange
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print ("Range:", ar.id, ar.start, ar._end)
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end
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-- Markers
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-- http://manual.ardour.org/lua-scripting/class_reference/#ArdourUI:MarkerSelection
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for m in sel.markers:iter () do
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-- each of the items is a
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-- http://manual.ardour.org/lua-scripting/class_reference/#ARDOURUI::ArdourMarker
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print ("Marker:", m:name (), m:position(), m:_type())
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end
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----------------------------------------------------------
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-- 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
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print ("Selection Extents:", ext[1], ext[2])
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else
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print ("No region or range is selected")
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end
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end end
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