qt5base-lts/tests/manual/cocoa/menus/main.cpp

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#include <QMainWindow>
#include <QMenu>
#include <QApplication>
#include <QMenuBar>
#include <QMessageBox>
#include <QDebug>

class Responder : public QObject
{
    Q_OBJECT

public:
    Responder(QObject *pr) :
        QObject(pr), visibleMenu(0), visibleSubMenu(0), enabledMenu(0), enabledSubMenu(0), visibleAction(0), enabledAction(0)
    {
    }
    void setVisibleObjects(QMenu *vm, QMenu *vsm, QAction *va)
    {
        visibleMenu = vm;
        visibleSubMenu = vsm;
        visibleAction = va;
    }
    void setEnabledObjects(QMenu *em, QMenu *esm, QAction *ea)
    {
        enabledMenu = em;
        enabledSubMenu = esm;
        enabledAction = ea;
    }
public slots:
    void toggleVisiblity()
    {
        visibleMenu->menuAction()->setVisible(!visibleMenu->menuAction()->isVisible());
        visibleSubMenu->menuAction()->setVisible(!visibleSubMenu->menuAction()->isVisible());
        visibleAction->setVisible(!visibleAction->isVisible());
    }
    void toggleEnabled()
    {
        enabledMenu->menuAction()->setEnabled(!enabledMenu->menuAction()->isEnabled());
        enabledSubMenu->menuAction()->setEnabled(!enabledSubMenu->menuAction()->isEnabled());
        enabledAction->setEnabled(!enabledAction->isEnabled());
    }
    void toggleChecked(bool b)
    {
        QAction *a = qobject_cast<QAction *>(sender());
    }

    void showModalDialog()
    {
        QMessageBox::information(NULL, "Something", "Something happened. Modally.");
    }

    void doPreferences()
    {
        qDebug() << "show preferences";
    }

    void aboutToShowSubmenu()
    {
        QMenu* m = (QMenu*) sender();
        qDebug() << "will show" << m;

        m->clear();

        for (int i=0; i<10; ++i) {
            m->addAction(QString("Recent File %1").arg(i + 1));
        }
    }
private:
    QMenu *visibleMenu, *visibleSubMenu, *enabledMenu, *enabledSubMenu;
    QAction *visibleAction, *enabledAction;
};

void createWindow1()
{

    QMainWindow *window = new QMainWindow;
    QMenu *menu = new QMenu("TestMenu", window);

    window->menuBar()->addMenu(menu);

    Responder *r = new Responder(window);

    QAction *a = menu->addAction("TestMenuItem1");
    a->setShortcut( Qt::Key_A | Qt::SHIFT | Qt::CTRL );
    QObject::connect(a, SIGNAL(triggered()),
        r, SLOT(showModalDialog()));


    menu->addAction("T&estMenuItem2");
    a = menu->addAction("Preferences");
    a->setMenuRole(QAction::PreferencesRole);
    QObject::connect(a, SIGNAL(triggered()),
        r, SLOT(doPreferences()));

    a = menu->addAction("TestMenuItem4");
    a->setShortcut( Qt::Key_W | Qt::CTRL);

    QMenu *menu2 = new QMenu("SecondMenu", window);
    window->menuBar()->addMenu(menu2);

    menu2->addAction("Yellow");
    a = menu2->addAction("Mau&ve");

    QFont f;
    f.setPointSize(9);
    a->setFont(f);

    menu2->addAction("Taupe");

    QMenu *submenu1 = new QMenu("Submenu", window);
    submenu1->addAction("Sub Item 1");
    submenu1->addAction("Sub Item 2");
    submenu1->addAction("Sub Item 3");
    menu2->addMenu(submenu1);

    QMenu *submenu2 = new QMenu("Deeper", window);
    submenu2->addAction("Sub Sub Item 1");
    submenu2->addAction("Sub Sub Item 2");
    submenu2->addAction("Sub Sub Item 3");
    submenu1->addMenu(submenu2);

    QMenu *menu3 = new QMenu("A Third Menu", window);

    menu3->addAction("Eins");

    QMenu *submenu3 = new QMenu("Dynamic", window);
    QObject::connect(submenu3, SIGNAL(aboutToShow()), r, SLOT(aboutToShowSubmenu()));
    menu3->addMenu(submenu3);

    a = menu3->addAction("Zwei");
    a->setShortcut( Qt::Key_3 | Qt::ALT);
    a = menu3->addAction("About Drei...");
    a->setMenuRole(QAction::AboutRole);

    window->menuBar()->addMenu(menu3);

    QAction *checkableAction = new QAction("Thing Enabled", window);
    checkableAction->setCheckable(true);
    checkableAction->setChecked(true);
    QObject::connect(checkableAction, SIGNAL(triggered(bool)),
        r, SLOT(toggleChecked(bool)));

    menu2->addAction(checkableAction);

    QMenu *menu4 = new QMenu("Toggle menu", window);
    QAction *toggleVisiblity = new QAction("Toggle visibility", window);
    QAction *toggleEnabled = new QAction("Toggle enabled", window);
    QObject::connect(toggleVisiblity, SIGNAL(triggered()), r, SLOT(toggleVisiblity()));
    QObject::connect(toggleEnabled, SIGNAL(triggered()), r, SLOT(toggleEnabled()));
    menu4->addAction(toggleVisiblity);
    menu4->addAction(toggleEnabled);
    window->menuBar()->addMenu(menu4);

    QMenu *menu5 = new QMenu("Visible Menu", window);
    menu5->addAction("Dummy action");
    window->menuBar()->addMenu(menu5);
    QMenu *menu6 = new QMenu("Menu with visible action and submenu", window);
    QAction *visibleAction = new QAction("Visible action", window);
    menu6->addAction(visibleAction);
    QMenu *subMenu6 = new QMenu("Submenu");
    subMenu6->addAction("Dummy action");
    menu6->addMenu(subMenu6);
    window->menuBar()->addMenu(menu6);

    QMenu *menu7 = new QMenu("Enabled Menu", window);
    menu7->addAction("Dummy action");
    window->menuBar()->addMenu(menu7);
    QMenu *menu8 = new QMenu("Menu with enabled action and submenu", window);
    QAction *enabledAction = new QAction("Enabled action", window);
    menu8->addAction(enabledAction);
    QMenu *subMenu8 = new QMenu("Submenu");
    subMenu8->addAction("Dummy action");
    menu8->addMenu(subMenu8);
    window->menuBar()->addMenu(menu8);

    r->setVisibleObjects(menu5, subMenu6, visibleAction);
    r->setEnabledObjects(menu7, subMenu8, enabledAction);
    window->show();

}

void createWindow2()
{
    QMainWindow *window = new QMainWindow;
    QMenu *menu = new QMenu("Nuts", window);

    window->menuBar()->addMenu(menu);

    menu->addAction("Peanuts");
    menu->addAction("Walnuts");

    QMenu *menu2 = new QMenu("Colours", window);
    window->menuBar()->addMenu(menu2);

    menu2->addAction("Pink");
    menu2->addAction("Yellow");
    menu2->addAction("Grape");

    QMenu *menu3 = new QMenu("Edit", window);
    menu3->addAction("Cut");
    menu3->addAction("Copy boring way");
    menu3->addAction("Copy awesomely");
    menu3->addAction("Paste");

    window->menuBar()->addMenu(menu3);
    window->show();
}

int main(int argc, char **argv) {
    QApplication app(argc, argv);

    app.setApplicationName("Banana");

    createWindow1();
    createWindow2();

    return app.exec();
}

#include "main.moc"