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livetrax/share/scripts/_hook_test.lua

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ardour {
["type"] = "EditorHook",
name = "Callback Example",
author = "Ardour Lua Task Force",
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description = "Rewind On Solo Change, Write a file when regions are moved",
}
function signals ()
s = LuaSignal.Set()
--s:add ({[LuaSignal.SoloActive] = true, [LuaSignal.RegionPropertyChanged] = true})
s:add (
{
[LuaSignal.SoloActive] = true,
[LuaSignal.RegionPropertyChanged] = true
}
)
--for k,v in pairs (s:table()) do print (k, v) end
return s
end
function factory (params)
return function (signal, ref, ...)
print (signal, ref, ...)
if (signal == LuaSignal.SoloActive) then
Session:goto_start()
end
if (signal == LuaSignal.RegionPropertyChanged) then
obj,pch = ...
file = io.open ("/tmp/test" ,"a")
io.output (file)
io.write (string.format ("Region: '%s' pos-changed: %s, length-changed: %s\n",
obj:name (),
tostring (pch:containsSamplePos (ARDOUR.Properties.Start)),
tostring (pch:containsSamplePos (ARDOUR.Properties.Length))
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))
io.close (file)
end
end
end