Further reading

For further information, please refer to the following:

• Qt's QMainWindow documentation can be found at https://doc.qt.io/qt-5/qmainwindow.html.
• Examples of using QMainWindow can be found at https://github.com/pyqt/examples/tree/master/mainwindows.
• Apple's Human Interface Guidelines for macOS include guidance on how to structure the application menus. These can be found at https://developer.apple.com/design/human-interface-guidelines/macos/menus/menu-anatomy/.
• Microsoft offers guidance for designing menus for Windows applications at https://docs.microsoft.com/en-us/windows/desktop/uxguide/cmd-menus.
• PyQt offers some examples of dialog box usage at https://github.com/pyqt/examples/tree/master/dialogs.
• QMainWindow can also be used to create Multiple Document Interfaces (MDIs). For more information on how to build an MDI application, see https://www.pythonstudio...