Qt 4.6: digitalclock.cpp Example File (widgets/digitalclock/digitalclock.cpp)

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# digitalclock.cpp Example File
widgets/digitalclock/digitalclock.cpp

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     #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);
     }