Release Copy - Paste the selected or all the FX from the focused FX c…

…hain to all the selected items or tracks v1.00 (#1368)

FX/amagalma_Copy - Paste the selected or all the FX from the focused FX chain to all the selected items or tracks.lua

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+-- @description Copy - Paste the selected or all the FX from the focused FX chain to all the selected items or tracks
+-- @author amagalma
+-- @version 1.00
+-- @link https://forum.cockos.com/showthread.php?t=290715
+-- @screenshot https://i.ibb.co/SQRQDhw/Show.gif
+-- @donation https://www.paypal.me/amagalma
+-- @about
+--   Copies and pastes the selected (or all the FX in chain, if there is not a selection) from the focused FX chain to all the selected items or tracks.
+--
+--   - Requires js_ReaScriptAPI and ReaImGui
+
+
+if not reaper.ImGui_GetBuiltinPath then
+  return reaper.MB('ReaImGui is not installed or too old.', 'Error!', 0)
+end
+package.path = reaper.ImGui_GetBuiltinPath() .. '/?.lua'
+local ImGui = require 'imgui' '0.9.0.2'
+
+
+
+local function GetSelectedListItems( windowTitle )
+  local FX_win = reaper.JS_Window_Find( windowTitle, true )
+  if not FX_win then return end
+  local sel_FX = {}
+  local list = reaper.JS_Window_FindChildByID( FX_win, 1076 )
+  local sel_nr, sel_fx = reaper.JS_ListView_ListAllSelItems( list )
+  local fx_cnt = 0
+  if sel_nr ~= 0 then
+    for i in sel_fx:gmatch("%d+") do
+      sel_FX[fx_cnt+1] = tonumber(i)
+      fx_cnt = fx_cnt + 1
+    end
+  else -- if none selected, consider as all selected
+    fx_cnt = reaper.JS_ListView_GetItemCount( list )
+    for i = 1, fx_cnt do
+      sel_FX[i] = i-1
+    end
+  end
+  return sel_FX, fx_cnt
+end
+
+
+local function GetInfo()
+  local retval, trackidx, itemidx, takeidx = reaper.GetTouchedOrFocusedFX( 1 )
+  if retval == false then return end
+  local what, sel_FX, fx_cnt
+  local isMaster = trackidx == -1
+  local track = isMaster and reaper.GetMasterTrack( 0 ) or reaper.GetTrack( 0, trackidx )
+  local GUIDS = {}
+  if takeidx ~= -1 then -- Item
+    local item = reaper.GetTrackMediaItem( track, itemidx )
+    local take = reaper.GetTake( item, takeidx )
+    local name = reaper.GetTakeName( take )
+    local search = string.format("FX: Item%s", name == "" and "" or (' "' .. name .. '"'))
+    sel_FX, fx_cnt = GetSelectedListItems( search )
+    for i = 1, fx_cnt do
+       GUIDS[reaper.TakeFX_GetFXGUID( take, sel_FX[i] )] = true
+    end
+    return {what = "Take", obj = take, fx = GUIDS, cnt = fx_cnt}
+  else
+    if isMaster then
+      sel_FX, fx_cnt = GetSelectedListItems( "FX: Master Track" )
+    else -- normal Track
+      local _, name = reaper.GetSetMediaTrackInfo_String( track, "P_NAME", "", false )
+      local search = string.format("FX: Track %i%s", trackidx+1, name == "" and "" or (' "' .. name .. '"'))
+      sel_FX, fx_cnt = GetSelectedListItems( search )
+      for i = 1, fx_cnt do
+         GUIDS[reaper.TrackFX_GetFXGUID( track, sel_FX[i] )] = true
+      end
+      return {what = "Track", obj = track, fx = GUIDS}
+    end
+  end
+end
+
+
+local data = GetInfo()
+if not data then 
+  return reaper.MB( "Could not get the focused FX chain.\nPlease, click it to focus and run again.",
+         "Aborting..", 0 )
+end
+
+
+local open, visible -- Needed up here for the NotValid() to be able to affect the ImGui window
+
+
+local function Undo( func, descchange, flags )
+  reaper.Undo_BeginBlock2( 0 )
+  reaper.PreventUIRefresh( 1 )
+  func()
+  reaper.PreventUIRefresh( -1 )
+  reaper.Undo_EndBlock2( 0 , descchange, flags )
+end
+
+
+local function NotValid(ptr)
+  if not reaper.ValidatePtr2( 0, data.obj, ptr ) then
+    open = false
+    reaper.MB("The source FX are no longer valid!", "Quitting..", 0)
+    return true
+  end
+end
+
+
+local function FromTrackToItem()
+  if NotValid("MediaTrack*") then return end
+  for i = 0, reaper.CountSelectedMediaItems(0)-1 do
+    local item = reaper.GetSelectedMediaItem( 0, i )
+    local take = reaper.GetActiveTake( item )
+    if not take then return end
+    local fx_cnt = reaper.TakeFX_GetCount( take ) - 1
+    local c = 0
+    for j = 0, reaper.TrackFX_GetCount( data.obj ) - 1 do
+      local GUID = reaper.TrackFX_GetFXGUID( data.obj, j )
+      if data.fx[GUID] then
+        c = c + 1
+        reaper.TrackFX_CopyToTake( data.obj, j, take, fx_cnt + c, false )
+      end
+    end
+  end
+end
+
+
+local function FromTrackToTrack()
+  if NotValid("MediaTrack*") then return end
+  for i = 0, reaper.CountSelectedTracks2(0, true)-1 do
+    local track = reaper.GetSelectedTrack2( 0, i, true )
+    local fx_cnt = reaper.TrackFX_GetCount( track ) - 1
+    local c = 0
+    for j = 0, reaper.TrackFX_GetCount( data.obj ) - 1 do
+      local GUID = reaper.TrackFX_GetFXGUID( data.obj, j )
+      if data.fx[GUID] then
+        c = c + 1
+        reaper.TrackFX_CopyToTrack( data.obj, j, track, fx_cnt + c, false )
+      end
+    end
+  end
+end
+
+
+local function FromItemToItem()
+  if NotValid("MediaItem_Take*") then return end
+  for i = 0, reaper.CountSelectedMediaItems(0)-1 do
+    local item = reaper.GetSelectedMediaItem( 0, i )
+    local take = reaper.GetActiveTake( item )
+    if not take then return end
+    local fx_cnt = reaper.TakeFX_GetCount( take ) - 1
+    local c = 0
+    for j = 0, reaper.TakeFX_GetCount( data.obj ) - 1 do
+      local GUID = reaper.TakeFX_GetFXGUID( data.obj, j )
+      if data.fx[GUID] then
+        c = c + 1
+        reaper.TakeFX_CopyToTake( data.obj, j, take, fx_cnt + c, false )
+      end
+    end
+  end
+end
+
+
+local function FromItemToTrack()
+  if NotValid("MediaItem_Take*") then return end
+  for i = 0, reaper.CountSelectedTracks2(0, true)-1 do
+    local track = reaper.GetSelectedTrack2( 0, i, true )
+    local fx_cnt = reaper.TrackFX_GetCount( track ) - 1
+    local c = 0
+    for j = 0, reaper.TakeFX_GetCount( data.obj ) - 1 do
+      local GUID = reaper.TakeFX_GetFXGUID( data.obj, j )
+      if data.fx[GUID] then
+        c = c + 1
+        reaper.TakeFX_CopyToTrack( data.obj, j, track, fx_cnt + c, false )
+      end
+    end
+  end
+end
+
+
+-----------------------------------------------------------------------------------------------------
+
+
+local ctx = ImGui.CreateContext('Copy/Paste selected FX', ImGui.ConfigFlags_NoSavedSettings)
+local sans_serif = ImGui.CreateFont('sans-serif', 16)
+ImGui.Attach(ctx, sans_serif)
+
+
+local text = 'Choose the items or tracks where\nyou want to paste the selected FX'
+local text2 = "Paste to:"
+local timer, indent = 0, 0
+
+
+local function myWindow()
+  ImGui.Text( ctx, text )
+  ImGui.Spacing( ctx )
+  ImGui.Separator( ctx )
+  if timer ~= 2 then
+    timer = timer + 1
+    indent = (ImGui.GetContentRegionAvail(ctx) - ImGui.CalcTextSize( ctx, text2 ))/2
+  end
+  ImGui.Indent( ctx, indent )
+  ImGui.Text( ctx, text2 )
+  ImGui.Unindent( ctx, indent )
+  ImGui.Spacing( ctx )
+  if ImGui.Button(ctx, 'Selected Items') then
+    if data.what == "Take" then
+      Undo( FromItemToItem, "Copy TakeFX to Items", 4 )
+    else
+      Undo( FromTrackToItem, "Copy TrackFX to Items", 4 )
+    end
+  end
+  ImGui.SameLine(ctx)
+  if ImGui.Button(ctx, 'Selected Tracks') then
+    if data.what == "Take" then
+      Undo( FromItemToTrack, "Copy TakeFX to Tracks", 2 )
+    else
+      Undo( FromTrackToTrack, "Copy TrackFX to Tracks", 2 )
+    end
+  end
+  ImGui.Spacing( ctx )
+end
+
+
+local window_flags = ImGui.WindowFlags_NoCollapse|ImGui.WindowFlags_NoDocking|
+      ImGui.WindowFlags_NoResize|ImGui.WindowFlags_NoSavedSettings|ImGui.WindowFlags_TopMost
+local x, y = reaper.GetMousePosition()
+ImGui.SetNextWindowPos( ctx, x, y, 0, 0.5, 0)
+local window_name = 'Paste copied ' .. data.what .. " FX"
+
+
+local function loop()
+  ImGui.PushFont(ctx, sans_serif)
+  visible, open = ImGui.Begin(ctx, window_name, true, window_flags)
+  if visible then
+    myWindow()
+    ImGui.End(ctx)
+  end
+  ImGui.PopFont(ctx)
+
+  if open then
+    reaper.defer(loop)
+  end
+end
+
+reaper.defer(loop)