Window Timer Feature and Demo Program

DemoPrograms/Demo_Window_Timer.py

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+import PySimpleGUI as sg
+
+"""
+    Demo Program - Window Timers
+
+    Uses the PySimpleGUI Window Timers to generate single or periodic timer events.
+    Requires version 4.60.4.131 or greater of PySimpleGUI.
+
+    Copyright 2022 PySimpleGUI
+"""
+
+
+def main():
+    layout = [  [sg.Text('Demonatrataion of Window Timers', font='_ 15')],
+                [sg.T('Timer duration in ms:'), sg.Input(1000, key='-DURATION-', s=4), sg.Checkbox('Repeats', True, key='-REPEATS-'), sg.Button('Start')],
+                [sg.T('Timer ID to stop:'), sg.Input(key='-STOP-', s=4), sg.Button('Stop')],
+                [sg.Output(size=(90, 10))],
+                [sg.Button('Does nothing'), sg.Button('Exit')]  ]
+
+    window = sg.Window('Window Title', layout)
+
+    while True:
+        event, values = window.read()
+        print(event, values)
+        if event == sg.WIN_CLOSED or event == 'Exit':
+            break
+        if event == 'Start':
+            try:
+                duration = int(values['-DURATION-'])
+            except:
+                continue
+            window.timer_start(duration, repeating=values['-REPEATS-'])
+        if event == 'Stop':
+            try:
+                id = int(values['-STOP-'])
+            except:
+                continue
+            window.timer_stop(id)
+
+
+    window.close()
+
+if __name__ == '__main__':
+    main()
+