42 lines
1.3 KiB
Python
42 lines
1.3 KiB
Python
#!/usr/bin/env python
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import PySimpleGUI as sg
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from random import randint as randint
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"""
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Demo - LEDS using Text
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A simple example of how you can use UNICODE characters as LED indicators in a window
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Copyright 2020 PySimpleGUI.org
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"""
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sg.theme('Light Brown 4')
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CIRCLE = '⚫'
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CIRCLE_OUTLINE = '⚪'
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def LED(color, key):
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"""
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A "user defined element". In this case our LED is based on a Text element. This gives up 1 location to change how they look, size, etc.
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:param color: (str) The color of the LED
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:param key: (Any) The key used to look up the element
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:return: (sg.Text) Returns a Text element that displays the circle
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"""
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return sg.Text(CIRCLE_OUTLINE, text_color=color, key=key)
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layout = [ [sg.Text('Status 1 '), LED('Green', '-LED0-') ],
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[sg.Text('Status 2 '), LED('blue', '-LED1-')],
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[sg.Text('Status 3 '), LED('red', '-LED2-')],
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[sg.Button('Exit')]]
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window = sg.Window('Window Title', layout, font='Any 16')
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while True:
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event, values = window.read(timeout=200)
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if event == sg.WIN_CLOSED or event == 'Exit':
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break
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# Loop through all of the LEDs and update. 25% of the time turn it off.
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for i in range(3):
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window[f'-LED{i}-'].update(CIRCLE if randint(1, 100) < 25 else CIRCLE_OUTLINE)
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window.close()
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