AutoHotKey: Poll system for known active windows

ahk-active-window.ahk

; ===================================================
; Poll system for known active windows
; "Cowboy" Ben Alman - 2014
; https://gist.github.com/cowboy/77642d25ef49559d574f
; ===================================================

#Persistent
#SingleInstance Force

; Exe windows to poll for.
ExeCount = 3
Exe1 = calc.exe
Exe2 = explorer.exe
Exe3 = chrome.exe

LastExe := false
SetTimer CheckActive, 100
CheckActive:
  Loop %ExeCount% {
    CurrentExe := Exe%A_Index%
    if (WinActive("ahk_exe" CurrentExe)) {
      if (CurrentExe != LastExe) {
        LastExe := CurrentExe
        ActivateProfile(CurrentExe)
      }
      Return
    }
  }
  if (LastExe != false) {
    LastExe := false
    ActivateProfile()
  }
  Return

ActivateProfile(Exe = false) {
  if (Exe) {
    TrayTip Active, %Exe%, 0
  } else {
    TrayTip Inactive, No exe detected, 0
  }
  ; Do actual stuff here
}