#-------------------------------------------------------------------------------
# Name:
# Purpose:     Simple tracker for active serial ports attached to windows PC
#
# Author:      Pete Willard
#
# Created:     15/08/2023
# Copyright:   (c) willard 2023
# Licence:     CC BY-NC-SA
#-------------------------------------------------------------------------------
import serial.tools.list_ports
import time
import PySimpleGUI as sg

def main():
   layout = [
       [sg.Text("Available Serial Ports:")],
       [sg.Listbox(values=[], size=(40, 10), key="-PORTS-")],
       [sg.Button("Exit")]
   ]

   window = sg.Window("Port Tracker", layout)

   while True:
       event, values = window.read(timeout=1000)  # Auto-update every 1000 milliseconds

       if event == sg.WINDOW_CLOSED or event == "Exit":
           break

       refresh_ports(window)

   window.close()

def refresh_ports(window):
   ports = [port.device for port in serial.tools.list_ports.comports()]
   window["-PORTS-"].update(values=ports)

if __name__ == "__main__":
   main()