StuffMIDIMessage feeds the virtual MIDI keyboard, which only reaches tracks that are armed and monitoring -- normally not the track whose item you are editing. Opening an item in grid mode therefore sounded every preview through whatever instrument happened to be armed, which is confusing when the notes you are writing come back in the wrong voice. Grid mode now borrows the record routing: the edited take's track is armed and monitoring with all MIDI inputs (anything narrower can exclude the virtual keyboard), and every other armed track is stood down so it cannot answer as well. The prior arm, monitor and input of each track touched is saved by GUID in transient ExtState. routePreview re-points lazily, so moving the editor to an item on another track costs nothing until the target actually changes. The daemon hands the routing back when grid mode goes off, when the editor closes, or on exit -- the same way it already restores the loop and repeat state the loop-bar action borrows -- so the project is put back even if grid mode is never toggled off. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
44 lines
1.5 KiB
Lua
44 lines
1.5 KiB
Lua
--[[
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MIDI Grid: open the selected item in the MIDI editor and enter grid mode.
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This is the counterpart to the normal "open in MIDI editor" action: it does
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the same thing, then arms grid mode and announces the starting state, so a
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single keystroke takes you from a selected item to writing notes.
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]]
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local dir = ({ reaper.get_action_context() })[2]:match("@?(.*[\\/])")
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local G = dofile(dir .. "midigrid_lib.lua")
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local item = reaper.GetSelectedMediaItem(0, 0)
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if not item then G.say("No item selected") return end
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local take = reaper.GetActiveTake(item)
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if not take or not reaper.TakeIsMIDI(take) then G.say("Selected item is not MIDI") return end
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-- Item: Open in built-in MIDI editor (set default behaviour in preferences)
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reaper.Main_OnCommand(40153, 0)
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local hwnd = reaper.MIDIEditor_GetActive()
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if not hwnd then G.say("Could not open MIDI editor") return end
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G.set("active", 1)
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-- Preview must sound through this track's instrument, whatever else is armed.
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G.routePreview(reaper.MIDIEditor_GetTake(hwnd) or take)
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-- Start at the item's beginning so the first cell is the item's first cell.
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local pos = reaper.GetMediaItemInfo_Value(item, "D_POSITION")
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reaper.SetEditCurPos(pos, true, false)
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local p = G.getPitch(hwnd)
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if not G.inScale(p) then
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local up = G.scaleStep(p, 1)
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if up then p = up ; G.setPitch(hwnd, p) end
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end
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G.say(("Grid mode on, %s, grid %s, %s, %s, %s"):format(
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G.scaleName(),
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G.gridLabel(G.gridQN(take)),
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G.isHold() and "hold on" or "hold off",
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G.noteName(p),
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G.cellPosText(take)))
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