# Copyright© 2021 谈翰文
#
#         This program is free software: you can redistribute it and/or modify
#         it under the terms of the GNU General Public License as published by
#         the Free Software Foundation, either version 3 of the License, or
#         (at your option) any later version.
#
#         This program is distributed in the hope that it will be useful,
#         but WITHOUT ANY WARRANTY; without even the implied warranty of
#         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#         GNU General Public License for more details.
#
#         You should have received a copy of the GNU General Public License
#         along with this program.  If not, see <https://www.gnu.org/licenses/>.
try:
    import Tkinter as tk
except ImportError:
    import tkinter as tk

try:
    import ttk

    py3 = False
except ImportError:
    import tkinter.ttk as ttk

    py3 = True


def init(top, gui, *args, **kwargs):
    global w, top_level, root
    w = gui
    top_level = top
    root = top


def destroy_window():
    # Function which closes the window.
    global top_level
    top_level.destroy()
    top_level = None


if __name__ == '__main__':
    import instructions

    instructions.vp_start_gui()