scripts/select_every_2nd_region.lua

   1 ardour {
   2         ["type"]    = "EditorAction",
   3         name        = "Region Select/2",
   4         license     = "MIT",
   5         author      = "Ardour Team",
   6         description = [[select every 2nd region on all selected tracks]]
   7 }
   8
   9 -- select every 2nd region on all selected tracks
  10 function factory () return function ()
  11
  12         local sl = ArdourUI.SelectionList () -- empty selection list
  13
  14         local sel = Editor:get_selection () -- get current selection
  15         -- for each selected track/bus..
  16         for route in sel.tracks:routelist ():iter () do
  17                 -- consider only tracks
  18                 local track = route:to_track ()
  19                 if track:isnil() then
  20                         goto continue
  21                 end
  22
  23                 local skip = false;
  24                 -- iterate over all regions of the given track
  25                 for region in track:playlist():region_list():iter() do
  26                         if skip then
  27                                 -- skip every 2nd region
  28                                 skip = false;
  29                         else
  30                                 skip = true;
  31                                 -- get RegionView (GUI object to be selected)
  32                                 local rv = Editor:regionview_from_region (region)
  33                                 -- add it to the list of Objects to be selected
  34                                 sl:push_back (rv);
  35                         end
  36                 end
  37                 ::continue::
  38         end
  39
  40         -- set/replace current selection in the editor
  41         Editor:set_selection (sl, ArdourUI.SelectionOp.Set);
  42 end end