Digital clock : QLCDNumber « Qt « C++

1. C++
2. Qt
3. QLCDNumber

Digital clock

  

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#ifndef DIGITALCLOCK_H
#define DIGITALCLOCK_H

#include <QLCDNumber>


class DigitalClock : public QLCDNumber
{
    Q_OBJECT

public:
    DigitalClock(QWidget *parent = 0);

private slots:
    void showTime();
};


#endif






#include <QtGui>

#include "digitalclock.h"


DigitalClock::DigitalClock(QWidget *parent)
    : QLCDNumber(parent)
{
    setSegmentStyle(Filled);

    QTimer *timer = new QTimer(this);
    connect(timer, SIGNAL(timeout()), this, SLOT(showTime()));
    timer->start(1000);

    showTime();

    setWindowTitle(tr("Digital Clock"));
    resize(150, 60);
}



void DigitalClock::showTime()
 
{
    QTime time = QTime::currentTime();
    QString text = time.toString("hh:mm");
    if ((time.second() % 2) == 0)
        text[2] = ' ';
    display(text);
}






#include <QApplication>

#include "digitalclock.h"

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);
    DigitalClock clock;
    clock.show();
    return app.exec();
}

   
    
  

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