QTreeWidget and customContextMenuRequested

[seneca]

I'm trying to create a custom popup menu in a tree widget depending on what item was right-clicked. However currently I'm stuck because the signal customContextMenuRequested seems not to get fired. Is there something else besides setContextMenuPolicy to make the signal work?

AMainView::AMainView(QWidget *parent) : QMainWindow(parent)
{
    ....
    iTree = new QTreeWidget();
    iTree->setColumnCount(1);
    iTree->setContextMenuPolicy(Qt::CustomContextMenu);
    iTree->header()->hide();
    connect(
        iTree, SIGNAL(customContextMenuRequested(const QPoint& aPosition)),
        this, SLOT(treeContextMenu(const QPoint& aPosition))
    );
    ....
}
 
// declared under public slots in amainview.h:
void AMainView::treeContextMenu(const QPoint& aPosition)
{
    QMessageBox::warning(
        this, windowTitle(), 
        QString().sprintf("x=%d y=%d", aPosition.x(), aPosition.y()) 
    );
}

AMainView::AMainView(QWidget *parent) : QMainWindow(parent)
{
    ....
    iTree = new QTreeWidget();
    iTree->setColumnCount(1);
    iTree->setContextMenuPolicy(Qt::CustomContextMenu);
    iTree->header()->hide();
    connect(
        iTree, SIGNAL(customContextMenuRequested(const QPoint& aPosition)),
        this, SLOT(treeContextMenu(const QPoint& aPosition))
    );
    ....
}

// declared under public slots in amainview.h:
void AMainView::treeContextMenu(const QPoint& aPosition)
{
    QMessageBox::warning(
        this, windowTitle(), 
        QString().sprintf("x=%d y=%d", aPosition.x(), aPosition.y()) 
    );
}

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