#include <QApplication>
#include <QHBoxLayout>
#include <QPushButton>
#include <QMenu>
#include <QStyle>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    QWidget w;
    w.resize(200, 100);
    w.setLayout(new QHBoxLayout());
    auto b = new QPushButton(&w);
    w.layout()->addWidget(b);
    auto m = new QMenu(&w);
    auto a1 = new QAction(QObject::tr("Desktop"),&w);
    auto a2 = new QAction(QObject::tr("Trash"),&w);
    auto a3 = new QAction(QObject::tr("Exit"),&w);
    a1->setShortcut(QKeySequence("Ctrl+D"));
    a2->setShortcut(QKeySequence("Ctrl+T"));
    a3->setShortcut(QKeySequence("Ctrl+E"));
    a1->setIcon(QApplication::style()->standardIcon(QStyle::SP_DesktopIcon));
    a2->setIcon(QApplication::style()->standardIcon(QStyle::SP_TrashIcon));
    a1->setShortcutVisibleInContextMenu(true);
    a2->setShortcutVisibleInContextMenu(true);
    a3->setShortcutVisibleInContextMenu(true);
    m->addAction(a1);
    m->addAction(a2);
    m->addAction(a3);
    b->setMenu(m);
    m->setStyleSheet("QMenu::item{width:180px;font:Arial}");
    a.setLayoutDirection(Qt::RightToLeft);
    w.show();

    return a.exec();
}