Window Closing Example¶

#------------------------------------------------------------------------------
# Copyright (c) 2013, Nucleic Development Team.
#
# Distributed under the terms of the Modified BSD License.
#
# The full license is in the file COPYING.txt, distributed with this software.
#------------------------------------------------------------------------------
""" Controlling the closing of a window

This example shows how to customize the closing of a window.

<< autodoc-me >>
"""
from enaml.widgets.api import Window
from enaml.stdlib.message_box import question


def confirm_close(window, event):
    button = question(
        window, 'Example Application', 'Are you sure you want to quit?'
    )
    if button and button.action == 'accept':
        event.accept()
    else:
        event.ignore()


enamldef Main(Window):
    title = 'Hello World!'
    closing :: confirm_close(self, change['value'])