unable to popup the QSlider on top of the pushButton

[qwakaw]

hi ,

I am able to popup a slider on the click of a button, but it's not on top of the button...
what should I do ..

here is the code

class MainWindow : public QMainWindow, public Ui::MainWindow
{
Q_OBJECT
public:
    MainWindow( QWidget * parent = 0, Qt::WFlags f = 0 );
 
 
    QFrame *popup1;
 
private slots:
 
    void pushButton_clicked();
};
 
MainWindow::MainWindow( QWidget * parent, Qt::WFlags f) 
    : QMainWindow(parent, f)
{
    setupUi(this);
 
    connect(pushButton, SIGNAL(clicked()), this, SLOT(pushButton_clicked()));
 
    popup1 = new QFrame( this, Qt::Popup);
    popup1->resize(40,100);
 
    QSlider *slid = new QSlider(Qt::Vertical, popup1);
    slid->resize(40,100);
    slid->show();
}
 
void MainWindow:pushButton_clicked()
{
    popup1->move(mapToGlobal(pushButton->geometry().bottomLeft()));
 
        popup1->show();
 
}

class MainWindow : public QMainWindow, public Ui::MainWindow
{
Q_OBJECT
public:
    MainWindow( QWidget * parent = 0, Qt::WFlags f = 0 );
    
    
    QFrame *popup1;
    
private slots:

    void pushButton_clicked();
};

MainWindow::MainWindow( QWidget * parent, Qt::WFlags f) 
    : QMainWindow(parent, f)
{
    setupUi(this);
    
    connect(pushButton, SIGNAL(clicked()), this, SLOT(pushButton_clicked()));
    
    popup1 = new QFrame( this, Qt::Popup);
    popup1->resize(40,100);
    
    QSlider *slid = new QSlider(Qt::Vertical, popup1);
    slid->resize(40,100);
    slid->show();
}

void MainWindow:pushButton_clicked()
{
    popup1->move(mapToGlobal(pushButton->geometry().bottomLeft()));

        popup1->show();
    
}

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