Problems Adding Menu to Menu Bar on Mac

  • I have been having problems adding a menu item to the built in menu bar in a Qt desktop application. I copied the code provided in the QMainWindow class reference documentation for creating a menu to a very simple application. Unfortunately, it did not work. I am simply trying to add a "File" menu to the menu bar. I am running Mac OSX 10.9.3 and Qt Creator 5.3.1.

    The screenshots of my code are below. I tried both the uncommented and commented code in the mainwindow.cpp source.

    @#include "mainwindow.h"
    #include "ui_mainwindow.h"

    MainWindow::MainWindow(QWidget *parent) :
    ui(new Ui::MainWindow)
    //myMenuBar = menuBar();
    //fileMenu = myMenuBar -> addMenu(tr("&File"));

    fileMenu = menuBar() -> addMenu(tr("&File"));


    delete ui;


    @#ifndef MAINWINDOW_H
    #define MAINWINDOW_H

    #include <QMainWindow>
    #include <QMenuBar>
    #include <QMenu>

    namespace Ui {
    class MainWindow;

    class MainWindow : public QMainWindow

    explicit MainWindow(QWidget *parent = 0);

    Ui::MainWindow ui;
    QMenu* fileMenu;

    #endif // MAINWINDOW_H


    @#include "mainwindow.h"
    #include <QApplication>

    int main(int argc, char *argv[])
    QApplication a(argc, argv);
    MainWindow w;;

    return a.exec&#40;&#41;;



    Project created by QtCreator 2014-08-12T02:28:33


    QT += core gui

    greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

    TARGET = ComeOnMenuBar
    TEMPLATE = app

    SOURCES += main.cpp

    HEADERS += mainwindow.h

    FORMS += mainwindow.ui

    Any help would be really appreciated! Thank you!

    Note: I know using setNativeMenuBar(false) works, but I would like the mac os native menu bar to work: the one that is displayed in the top-most left corner.

  • Moderators

    You need to write that code after ui->setupUi(this) call. Otherwise, the UI is not ready for the changes.

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