digitalclock.cpp

qt4-DigitalClock 源碼 數位時鐘

#include "DigitalClock.h"
#include <QDateTime>

DigitalClock::DigitalClock(QWidget *parent) : QLCDNumber(parent)
{
    this->isColon = false;
    this->setStyleSheet(QString::fromUtf8("color: rgb(109, 218, 0);\n"
"background-color: rgb(138, 138, 138);"));
    this->setSegmentStyle(QLCDNumber::Flat);
    this->setFrameStyle(QFrame::Panel | QFrame::Raised);
    this->setNumDigits(19);
    QObject::startTimer(500);
}

void DigitalClock::timerEvent(QTimerEvent *e)
{
    isColon = !isColon;
    QString timeString = QTime::currentTime().toString().left(8);
    QDate date = QDate::currentDate();
    QString dateString;
    dateString.sprintf("%4d-%2d-%2d ", date.year(),date.month(), date.day());
    QString displayString =  dateString + timeString;
    if (!isColon)
    {
        displayString[13] = ' ';
        displayString[16] = ' ';
    }
    display(displayString);
}