Initial checkin of Keyboard Demos

Demo_Keyboard.py

@@ -0,0 +1,26 @@
+import sys
+import PySimpleGUI as sg
+
+# Recipe for getting keys, one at a time as they are released
+# If want to use the space bar, then be sure and disable the "default focus"
+
+with sg.FlexForm('Realtime Keyboard Test', return_keyboard_events=True, use_default_focus=False) as form:
+    text_elem = sg.Text('', size=(12,1))
+    layout = [[sg.Text('Press a key')],
+              [text_elem],
+              [sg.SimpleButton('OK')]]
+
+    form.Layout(layout)
+    # ---===--- Loop taking in user input --- #
+    while True:
+        button, value = form.Read()
+
+        if button == 'OK':
+            print(button, 'exiting')
+            break
+        if button is not None:
+            text_elem.Update(button)
+        elif value is None:
+            break
+
+

Demo_Keyboard_Realtime.py

@@ -0,0 +1,23 @@
+import PySimpleGUI as sg
+
+# Recipe for getting a continuous stream of keys when using a non-blocking form
+# If want to use the space bar, then be sure and disable the "default focus"
+
+with sg.FlexForm('Realtime Keyboard Test', return_keyboard_events=True, use_default_focus=False) as form:
+    layout = [[sg.Text('Hold down a key')],
+              [sg.SimpleButton('OK')]]
+
+    form.Layout(layout)
+    # ---===--- Loop taking in user input --- #
+    while True:
+        button, value = form.ReadNonBlocking()
+
+        if button == 'OK':
+            print(button, value, 'exiting')
+            break
+        if button is not None:
+            print(button)
+        elif value is None:
+            break
+
+