#!/usr/bin/env python

import PySimpleGUI as sg

import time

'''

Window that doesn't block

good for applications with an loop that polls hardware

Copyright 2018-2026 PySimpleGUI. All rights reserved.

'''

def StatusOutputExample():

# Create a text element that will be updated with status information on the GUI itself

# Create the rows

layout = [[sg.Text('Non-blocking GUI with updates')],

[sg.Text('', size=(8, 2), font=('Helvetica', 20),

justification='center', key='output')],

[sg.Button('LED On'), sg.Button('LED Off'), sg.Button('Quit')]]

# Layout the rows of the Window and perform a read. Indicate the Window is non-blocking!

window = sg.Window('Running Timer', layout, auto_size_text=True)

#

# Some place later in your code...

# You need to perform a Read on your window every now and then or

# else it won't refresh.

#

# your program's main loop

i = 0

while True:

# This is the code that reads and updates your window

event, values = window.read(timeout=10)

window['output'].update('{:02d}:{:02d}.{:02d}'.format(

(i // 100) // 60, (i // 100) % 60, i % 100))

if event in ('Quit', None):

break

if event == 'LED On':

print('Turning on the LED')

elif event == 'LED Off':

print('Turning off the LED')

i += 1

# Your code begins here

# Broke out of main loop. Close the window.

window.close()

def RemoteControlExample():

layout = [[sg.Text('Robotics Remote Control')],

[sg.Text(' '*10), sg.RealtimeButton('Forward')],

[sg.RealtimeButton('Left'), sg.Text(' '*15),

sg.RealtimeButton('Right')],

[sg.Text(' '*10), sg.RealtimeButton('Reverse')],

[sg.Text('')],

[sg.Quit(button_color=('black', 'orange'))]

]

window = sg.Window('Robotics Remote Control', layout,

auto_size_text=True, finalize=True)

#

# Some place later in your code...

# You need to perform a ReadNonBlocking on your window every now and then or

# else it won't refresh.

#

# your program's main loop

while True:

# This is the code that reads and updates your window

event, values = window.read(timeout=0, timeout_key='timeout')

if event != 'timeout':

print(event)

if event in ('Quit', None):

break

window.close()

def main():

RemoteControlExample()

StatusOutputExample()

sg.popup('End of non-blocking demonstration')

if __name__ == '__main__':

main()