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    41 

    42 #include <QtGui>

    43 

    44 #include "digitalclock.h"

    45 

    46 //! [0]

    47 DigitalClock::DigitalClock(QWidget *parent)

    48     : QLCDNumber(parent)

    49 {

    50     setSegmentStyle(Filled);

    51 

    52     QTimer *timer = new QTimer(this);

    53     connect(timer, SIGNAL(timeout()), this, SLOT(showTime()));

    54     timer->start(1000);

    55 

    56     showTime();

    57 

    58     setWindowTitle(tr("Digital Clock"));

    59     resize(150, 60);

    60 }

    61 //! [0]

    62 

    63 //! [1]

    64 void DigitalClock::showTime()

    65 //! [1] //! [2]

    66 {

    67     QTime time = QTime::currentTime();

    68     QString text = time.toString("hh:mm");

    69     if ((time.second() % 2) == 0)

    70         text[2] = ' ';

    71     display(text);

    72 }

    73 //! [2]