# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
from __future__ import annotations

import sys
from PySide6.QtWidgets import QApplication, QMainWindow, QWidget


class Widget(QWidget):
    def __init__(self):
        super().__init__()

        # Example data
        self._data = {"Water": 24.5, "Electricity": 55.1, "Rent": 850.0,
                      "Supermarket": 230.4, "Internet": 29.99, "Bars": 21.85,
                      "Public transportation": 60.0, "Coffee": 22.45, "Restaurants": 120}


class MainWindow(QMainWindow):
    def __init__(self, widget):
        super().__init__()
        self.setWindowTitle("Tutorial")

        # Menu
        self.menu = self.menuBar()
        self.file_menu = self.menu.addMenu("File")

        # Exit QAction
        exit_action = self.file_menu.addAction("Exit", self.close)
        exit_action.setShortcut("Ctrl+Q")

        self.setCentralWidget(widget)


if __name__ == "__main__":
    # Qt Application
    app = QApplication(sys.argv)
    # QWidget
    widget = Widget()
    # QMainWindow using QWidget as central widget
    window = MainWindow(widget)
    window.resize(800, 600)
    window.show()

    # Execute application
    sys.exit(app.exec())
