Release Toggle bypass or offline of selected FX in the focused FX cha…

…in window v1.0 (#1475)

FX/cfillion_Toggle bypass or offline of selected FX in the focused FX chain window.lua

@@ -0,0 +1,41 @@
+-- @description Toggle bypass or offline of selected FX in the focused FX chain window
+-- @author cfillion
+-- @version 1.0
+-- @metapackage
+-- @provides
+--   [main] . > cfillion_Toggle bypass of selected FX in the focused FX chain window.lua
+--   [main] . > cfillion_Toggle offline of selected FX in the focused FX chain window.lua
+-- @link
+--   https://cfillion.ca
+--   Request post https://forum.cockos.com/showpost.php?p=2834699
+-- @donation https://reapack.com/donate
+
+local script_name = select(2, reaper.get_action_context()):match('([^/\\_]+)%.lua$')
+local what = script_name:match('bypass') and 'Enabled' or 'Offline'
+reaper.Undo_BeginBlock();
+(function()
+  local rv, track_id, item_id, take_id, fx_id, parm = reaper.GetTouchedOrFocusedFX(1)
+  fx_id = fx_id & ~0xFFFFFF
+  if not rv then return end
+  local track = reaper.CSurf_TrackFromID(track_id + 1, false)
+  local get, set, obj
+  if item_id < 0 then
+    which, obj = 'Track', track
+  else
+    local item = reaper.GetTrackMediaItem(track, item_id)
+    local take = reaper.GetMediaItemTake(item, take_id)
+    which, obj = 'Take', take
+  end
+
+  local get = reaper[which..'FX_Get'..what]
+  local set = reaper[which..'FX_Set'..what]
+  local chain = reaper.CF_GetFocusedFXChain()
+  if not chain then return end
+  local i = -1
+  while true do
+    i = reaper.CF_EnumSelectedFX(chain, i)
+    if i < 0 then break end
+    set(obj, fx_id|i, not get(obj, fx_id|i))
+  end
+end)()
+reaper.Undo_EndBlock(script_name, 0)