Release Alt+shift+left click to exclusive solo FX (bypass others) in TCP, MCP FX list (background) v1.0

FX/daodan_Alt+shift+left click to exclusive solo FX (bypass others) in TCP, MCP FX list (background).lua

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+-- @description Alt+shift+left click to exclusive solo FX (bypass others) in TCP, MCP FX list (background)
+-- @author daodan
+-- @version 1.0
+-- @link Forum thread https://forum.cockos.com/showthread.php?p=2809719
+-- @about
+--   # Alt+shift+left click to exclusive solo FX (bypass others) in TCP, MCP FX list (background)
+--
+--   While script running you can alt+shift+left click FX in TCP, MCP FX list to solo this FX, i.e. bypass other FXs on this track.
+
+function Checks()
+  if reaper.APIExists("CF_GetSWSVersion") == false then
+    reaper.ShowMessageBox("Please, install SWS/S&M extension","Checks failed",0)
+    return
+  end
+  if reaper.APIExists("JS_ReaScriptAPI_Version") == false then
+    reaper.ShowMessageBox("Please, install js_ReaScriptAPI extension","Checks failed",0)
+    return
+  end
+  return 1
+end
+
+function SetButtonState(set)
+  local is_new_value, filename, sec, cmd, mode, resolution, val = reaper.get_action_context()
+  reaper.SetToggleCommandState( sec, cmd, set or 0 )
+  reaper.RefreshToolbar2( sec, cmd )
+end
+
+local mousePressed = 0
+local function main()
+  local mouse = reaper.JS_Mouse_GetState(-1)
+  if mouse & 25 == 25 then --check for alt+shift+left click
+    local x, y = reaper.GetMousePosition()
+    local trk, info = reaper.GetThingFromPoint(x, y)
+    if mousePressed==0 then
+      mousePressed = 1
+      if info == 'mcp.fxparm' or info == 'mcp.fxlist' or info == 'tcp.fxlist' or info == 'tcp.fxparm' then
+        reaper.Main_OnCommand(41110,0) -- Track: Select track under mouse
+        reaper.Main_OnCommand(reaper.NamedCommandLookup("_S&M_FXBYPALL2"),0) --SWS/S&M: Bypass all FX for selected tracks
+      end
+    end
+  else
+    mousePressed = 0
+  end
+  reaper.defer(main)
+end
+
+if not Checks() then return end
+SetButtonState(1)
+main()
+reaper.atexit(SetButtonState)