AutoIt script for activating (focusing) a window automatically after an idle timeout (no mouse/keyboard interaction)

open_window_after_idle.au3

; Activate window after idle timeout
; Script for AutoIt (Windows)
; by Andrew Suzuki

#include <WinAPISys.au3>

$title = "YOUR WINDOW TITLE HERE"
$minutes = 2 ; every two minutes
$sleepTimeMillis = 5*1000 ; check every 5 seconds

; Match any substring in title
AutoItSetOption("WinTitleMatchMode", 2)

While 1
	; If the idle timer is more than $minutes...
	If _WinAPI_GetIdleTime() >= $minutes * 60 * 1000 Then
		; Attempt to activate window
		If Not (WinActivate($title)) Then
			; Matching window not found
			; Do what you want here (exec, msgbox error, etc)
		EndIf
	EndIf

	; Sleep for $sleepTimeMillis before looping again
	Sleep($sleepTimeMillis)
WEnd