NEW demo program LED Status Indicators

Demo_LED_Indicators.py

@@ -0,0 +1,50 @@
+#!/usr/bin/env python
+import sys
+
+if sys.version_info[0] >= 3:
+    import PySimpleGUI as sg
+else:
+    import PySimpleGUI27 as sg
+import time
+import random
+
+"""
+    Demo program showing how to create your own "LED Indicators"
+    The LEDIndicator function acts like a new Element that is directly placed in a window's layout
+    After the Window is created, use the SetLED function to access the LED and set the color
+
+"""
+
+
+def LEDIndicator(key):
+    return sg.Graph(canvas_size=(30, 30), graph_bottom_left=(-20, -20), graph_top_right=(20, 20),
+                    pad=(0, 0), key=key)
+
+
+def SetLED(window, key, color):
+    graph = window.FindElement(key)
+    graph.Erase()
+    graph.DrawCircle((0, 0), 10, fill_color=color, line_color=color)
+
+
+layout = [[sg.Text('My layout')],
+          [sg.Text('CPU Use'), LEDIndicator('_cpu_')],
+          [sg.Text('RAM'), LEDIndicator('_ram_')],
+          [sg.Text('Temperature'), LEDIndicator('_temp_')],
+          [sg.Text('Server 1'), LEDIndicator('_server1_')],
+          [sg.RButton('Read The Window'), sg.Exit()]]
+
+window = sg.Window('My new window', default_element_size=(12, 1), auto_size_text=False).Layout(layout).Finalize()
+
+i = 0
+while True:  # Event Loop
+    button, value = window.ReadNonBlocking()
+    if value is None:
+        break
+    i += 1
+    SetLED(window, '_cpu_', 'green' if random.randint(1, 10) > 5 else 'red')
+    SetLED(window, '_ram_', 'green' if random.randint(1, 10) > 5 else 'red')
+    SetLED(window, '_temp_', 'green' if random.randint(1, 10) > 5 else 'red')
+    SetLED(window, '_server1_', 'green' if random.randint(1, 10) > 5 else 'red')
+
+    time.sleep(.400)