Menu with PyQt4

PyQT Menu pythonspot

PyQT Menu

PyQt4 menus appear in the top of the window bar. A menu gives the user control over the application and is often location in the top of the window.

The QMainWindow class creates the main application window. This class has a method named menuBar() which adds the title bar.

Menus can be added to the title bar using addMenu(). Inside each menu you can add a command using the addAction method.

Related course:
Create Simple GUI Applications with Python and Qt

PyQt4 menubar

This code will add a menu to your qt4 app:

#! /usr/bin/env python
# -*- coding: utf-8 -*-
import sys
from PyQt4.QtGui import *
# Create an PyQT4 application object.
a = QApplication(sys.argv)       
# The QWidget widget is the base class of all user interface objects in PyQt4.
w = QMainWindow()
# Set window size. 
w.resize(320, 240)
# Set window title  
w.setWindowTitle("Hello World!") 
# Create main menu
mainMenu = w.menuBar()
fileMenu = mainMenu.addMenu('&File')
# Add exit button
exitButton = QAction(QIcon('exit24.png'), 'Exit', w)
exitButton.setStatusTip('Exit application')
# Show window 

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11 Responses to Menu with PyQt4

  1. Jacco Van Dorp says:

    I’m trying to add some custom menu options. I assumed I could use the slots as we use them for buttons, but it seems I was wrong. What I’m trying to do is to run a sub-process. Is it possible to give an example of how to run something like that from a menu option?

    • Frank says:

      What do you mean by custom menu options? If you want a separate process you could start a thread

      • Jacco Van Dorp says:

        I was slightly mishandling the slotting mechanism. I was trying to use:


        where I should have used:


        My apologies for the vague question. I had just started on QT, but now that I’ve got some 30-ish hours in it I agree that the questions wasn’t really clear.

        That all said, maybe the Lambda trick could be included somewhere? I’m auto-generating menu’s from the init functions of my classes, and it allows me to track where a certain command is coming from(generally, by passing the class object as argument). Other problems it could solve could be a lot simpler though.

  2. Morm says:

    I copy-paste it to Xcode – and it shows only the window and its title – the rest is empty – what can be the reason for that?