CircularCountDown QWidget

[alvinNew]

Having problem creating a CircularCountDown QWidget class

#ifndef CIRCULARCOUNTDOWN_H
#define CIRCULARCOUNTDOWN_H
#include <QWidget>
#include <QtCore>
#include <QSize>
#include <QtGui>
class CircularCountdown : public QWidget
{
    Q_OBJECT

public:
    explicit CircularCountdown(int msec =5000, QWidget *parent =0 );
    ~CircularCountdown();

    void setDuration(int msec);
    int duration() const;
public slots:
    void start();
    void stop();
    void pause();
    void resume();
signals:
    void timeoutReached();
protected:
    QSize sizeHint() const;
    void paintEvent(QPaintEvent *event);

private:
    class Private;
    Private * const d;
};
#endif // CIRCULARCOUNTDOWN_H

#include "circularcountdown.h"
#include <QPaintEvent>
#include <QTimeLine>
#include <QPainter>


class CircularCountdown::Private
{
public:
   Private(CircularCountdown *parent)
       : q(parent)
   {

   }

   CircularCountdown *q;
   QTimeLine *timeLine;
};

CircularCountdown::CircularCountdown(int msec, QWidget *parent):QWidget(parent), d(new Private(this))
{

    setAutoFillBackground(false);
    d->timeLine->setFrameRange(0,720);
    d->timeLine->setDirection(QTimeLine::Backward);

    connect(d->timeLine,SIGNAL(frameChanged(int)), this, SLOT(repaint()));
    connect(d->timeLine,SIGNAL(finished()),this,SLOT(repaint()));
    connect(d->timeLine,SIGNAL(finished()),this, SIGNAL(timeoutReached()));
}

CircularCountdown::~CircularCountdown()
{

}

void CircularCountdown::start()
{
    d->timeLine->start();
}

void CircularCountdown::stop()
{
    d->timeLine->stop();
}



void CircularCountdown::pause()
{

    d->timeLine->setPaused(true);
}

void CircularCountdown::resume()
{
    d->timeLine->setPaused(true);
}



QSize CircularCountdown::sizeHint() const
{
    return QSize(16,16);
}


void CircularCountdown::paintEvent(QPaintEvent *event)
{
    if (d->timeLine->state() == QTimeLine::Running || d->timeLine->state() == QTimeLine::Paused) {
           QPainter painter(this);
           painter.setBrush(QBrush(parentWidget()->palette().color(QPalette::Base),Qt::SolidPattern));
           painter.setRenderHint(QPainter::Antialiasing);
           painter.drawPie(this->rect().adjusted(2,2,-2,-2),90*16, -d->timeLine->currentFrame()*8);

           }
}

[p3c0]

@alvinNew Please use ``` (3 backticks) for posting code blocks. Otherwise it is difficult for others to read it.