PySimpleGUI/PySimpleGUIQt/Demo Programs/Demo_Design_Pattern_Multipl...

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"""
PySimpleGUI The Complete Course
Lesson 7 - Multiple Windows
"""
import PySimpleGUIQt as sg
# Design pattern 1 - First window does not remain active
layout = [[ sg.Text('Window 1'),],
[sg.Input(do_not_clear=True)],
[sg.Text('', key='_OUTPUT_')],
[sg.Button('Launch 2')]]
win1 = sg.Window('Window 1').Layout(layout)
win2_active=False
while True:
ev1, vals1 = win1.Read(timeout=100)
if ev1 is None:
break
win1.FindElement('_OUTPUT_').Update(vals1[0])
if ev1 == 'Launch 2' and not win2_active:
win2_active = True
win1.Disappear()
layout2 = [[sg.Text('Window 2')],
[sg.Button('Exit')]]
win2 = sg.Window('Window 2').Layout(layout2)
while True:
ev2, vals2 = win2.Read()
if ev2 is None or ev2 == 'Exit':
win2.Close()
win2_active = False
win1.Reappear()
break