Macro { area="Shell"; key="Alt"; description="Use Alt for search by name (activate)"; action = function()

-- add feature: ignore Alt+Tab via task-switch/focus check

    local ok, ffi = pcall(require, "ffi")
    if not ok then far.Show(); return end

    pcall(ffi.cdef, [[
      typedef void* HWND;
      HWND GetForegroundWindow(void);
      int GetClassNameA(HWND hWnd, char* lpClassName, int nMaxCount);
    ]])

    local oku, user32 = pcall(ffi.load, "user32")
    if not oku then far.Show(); return end

    local function foreground_class()
      local hwnd = user32.GetForegroundWindow()
      if hwnd == nil or hwnd == ffi.NULL then return "" end
      local buf = ffi.new("char[256]")
      if user32.GetClassNameA(hwnd, buf, 256) == 0 then return "" end
      return ffi.string(buf)
    end

    local function foreign_focus()
      local class = foreground_class()
      if class == "" then return false end
      -- Classic Alt+Tab switcher dialog
      if class == "#32770" then return true end
      -- Our own console/terminal hosts (conhost, Windows Terminal, etc.)
      if class=="CASCADIA_HOSTING_WINDOW_CLASS" or class=="ConsoleWindowClass" then return false end
      -- Foreign window got focus => Alt+Tab completed (or something stole focus)
      return true
    end

    if foreign_focus() then return end

    -- Give Windows a moment to finish the Alt+Tab focus switch, then re-check
    mf.sleep(40)
    if foreign_focus() then return end


   if APanel.Visible then Keys('Alt<') else
   if Object.Selected then Keys('CtrlU') else Keys('SelWord') end
   end

end;
}