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Merge pull request #1971 from PySimpleGUI/Dev-latest 

New demo program to enable you to quickly test out the different look…
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PySimpleGUI 2019-09-14 20:25:35 -04:00 committed by GitHub
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DemoPrograms/Demo_Change_Look_And_Feel_Browser.py Normal file
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import PySimpleGUI as sg
"""
Allows you to "browse" through the look and feel settings. Click on one and you'll see a
Popup window using the color scheme you chose. It's a simply little program that demonstrates
how snappy a GUI can feel if you enable an element's events rather than waiting on a button click.
In this program, as soon as a listbox entry is clicked, the read returns.
"""
sg.ChangeLookAndFeel('GreenTan')
layout = [ [sg.Text('Look and Feel Browser')],
[sg.Text('Click a look and feel color to see demo window')],
[sg.Listbox(values=sg.list_of_look_and_feel_values(), size=(20,12), key='-LIST-', enable_events=True)],
[sg.Button('Show Window'), sg.Button('Exit')] ]
window = sg.Window('Look and Feel Browser', layout)
while True: # Event Loop
event, values = window.read()
if event in (None, 'Exit'):
break
sg.change_look_and_feel(values['-LIST-'][0])
sg.popup_get_text('This is {}'.format(values['-LIST-'][0]))
window.close()