import PySimpleGUI as sg

"""
    Demo - Pin a window on top

    Note that the PIN used requires Python 3.7+ due to a tkinter problem
    This demo uses a Window call only recently added to GitHub in Aug 2021

    Copyright 2021 PySimpleGUI
"""

sg.theme('dark green 7')

PIN = '📌'
# This custom titlebar inveses the normal text/background colors. Uses a little bigger font
my_titlebar = [[sg.Text('Window title', expand_x=True, grab=True,
                        text_color=sg.theme_background_color(), background_color=sg.theme_text_color(), font='_ 12', pad=(0,0)),
                sg.Text(PIN, enable_events=True, k='-PIN-',  font='_ 12', pad=(0,0),  metadata=False,
                        text_color=sg.theme_background_color(), background_color=sg.theme_text_color())]]

layout = my_titlebar + \
         [  [sg.Text('This is my window layout')],
            [sg.Input(key='-IN-')],
            [sg.Button('Go'), sg.Button('Exit')]  ]

window = sg.Window('Window Title', layout, no_titlebar=True, resizable=True, margins=(0,0))

while True:
    event, values = window.read()
    print(event, values)
    if event == sg.WIN_CLOSED or event == 'Exit':
        break
    if event == '-PIN-':
        window['-PIN-'].metadata = not window['-PIN-'].metadata     # use metadata to store current state of pin
        if window['-PIN-'].metadata:
            window['-PIN-'].update(text_color='red')
            window.keep_on_top_set()
        else:
            window['-PIN-'].update(text_color=sg.theme_background_color())
            window.keep_on_top_clear()

window.close()