PySimpleGUI/Demo_Button_States.py

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import PySimpleGUI as sg
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sg.ChangeLookAndFeel('LightGreen')
sg.SetOptions(element_padding=(0, 0))
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# ------ Menu Definition ------ #
menu_def = [['File', ['Open', 'Save', 'Exit' ]],
['Edit', ['Paste', ['Special', 'Normal', ], 'Undo'], ],
['Help', 'About...'], ]
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# ------ GUI Defintion ------ #
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)).Layout(layout)
# ------ Loop & Process button menu choices ------ #
while True:
button, values = form.Read()
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if button == None or button == 'Exit':
break
print('Button = ', button)
# ------ Process menu choices ------ #
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)