# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
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""" Application window example.

This example only works with the WxPython toolkit.
"""

from pyface.api import MDIApplicationWindow, MDIWindowMenu, GUI
from pyface.action.api import Action, MenuManager, MenuBarManager


class MainWindow(MDIApplicationWindow):
    """ The main application window. """

    # ------------------------------------------------------------------------
    # 'object' interface.
    # ------------------------------------------------------------------------

    def __init__(self, **traits):
        """ Creates a new application window. """

        # Base class constructor.
        super().__init__(**traits)

        # Add a menu bar.
        self.menu_bar_manager = MenuBarManager(
            MenuManager(
                Action(name="E&xit", on_perform=self.close), name="&File"
            ),
            MDIWindowMenu(self),
        )

        # Set the size of the window
        self.size = (640, 480)

        return


# Application entry point.
if __name__ == "__main__":
    # Create the GUI (this does NOT start the GUI event loop).
    gui = GUI()

    # Create and open the main window.
    window = MainWindow()
    window.open()

    # Add some child windows
    for i in range(2):
        child = window.create_child_window()
        child.Show()

    # Start the GUI event loop!
    gui.start_event_loop()
