#!/usr/bin/env python3

"""
I want to make 'q' work with and without the menu bar. If you press 'q', the app. should close.
File -> Quit would do the same.
"""

import sys

from PyQt5.QtGui import QKeySequence
from PyQt5.QtWidgets import QApplication, QMainWindow, QAction, QShortcut


class Window(QMainWindow):
    def __init__(self):
        super().__init__()

        # if you leave this shortcut and press 'q' (twice in my case), you get the following error:
        # QAction::eventFilter: Ambiguous shortcut overload: Q
        # and the shortcut 'q' won't work
        self.shortcutQuit = QShortcut(QKeySequence("q"), self)
        self.shortcutQuit.activated.connect(self.close)

        self.InitWindow()

    def InitWindow(self):
        self.mainMenu = self.menuBar()
        fileMenu = self.mainMenu.addMenu("&File")

        hideItem = QAction("Hide Menu Bar", self)
        hideItem.setShortcut("h")
        hideItem.triggered.connect(self.mainMenu.hide)

        quitItem = QAction("Quit", self)
        quitItem.setShortcut("Q")
        quitItem.triggered.connect(self.close)

        fileMenu.addAction(hideItem)
        fileMenu.addAction(quitItem)

if __name__ == "__main__":
    App = QApplication(sys.argv)
    window = Window()
    window.show()
    sys.exit(App.exec())