Demo for MENUS!

Demo_Menus.py

@@ -0,0 +1,42 @@
+import PySimpleGUI as sg
+
+"""
+    Demonstration of MENUS!
+    How do menus work?  Like buttons is how.
+    Check out the variable menu_def for a hint on how to 
+    define menus
+"""
+def TestMenus():
+    import PySimpleGUI as sg
+
+    sg.ChangeLookAndFeel('LightGreen')
+    sg.SetOptions(element_padding=(0, 0))
+
+    menu_def = [['File', ['Open', 'Save',]],
+                ['Edit', ['Paste', ['Special', 'Normal',], 'Undo'],],
+                ['Help', 'About...'],]
+
+    layout = [
+            [sg.Menu(menu_def)],
+              [sg.Output(size=(60,20))]
+              ]
+
+    form = sg.FlexForm("Windows-like program", default_element_size=(12, 1), auto_size_text=False, auto_size_buttons=False,
+                       default_button_element_size=(12, 1))
+    form.Layout(layout)
+    form.ReadNonBlocking()          # so the print message will show up... yes, a kludge
+
+    print('Give those menus a try!')
+    while True:
+        button, values = form.Read()
+        if button is None or button == 'Exit':
+            return
+        print('Button = ', button)
+        if button == 'About...':
+            sg.Popup('About this program','Version 1.0', 'PySimpleGUI rocks...')
+        elif button == 'Open':
+            filename = sg.PopupGetFile('file to open', no_window=True)
+            print(filename)
+
+
+TestMenus()