C++ KDateTime::daysTo方法代码示例

//! @return "opened x minutes ago" string or similar
static QString openedString(const QDateTime& _opened)
{
    const KDateTime cur(KDateTime::currentUtcDateTime());
    const KDateTime opened = KDateTime(_opened);
    if (!opened.isValid() || opened >= cur)
        return QString();
    
    const int days = opened.daysTo(cur);
    if (days <= 1 && opened.secsTo(cur) < 24*60*60) {
        const int minutes = opened.secsTo(cur) / 60;
        const int hours = minutes / 60;
        if (hours < 1) {
            if (minutes == 0)
                return i18n("Opened less than minute ago");
            else
                return i18np("Opened 1 minute ago", "Opened %1 minutes ago", minutes);
        } else {
            return i18np("Opened 1 hour ago", "Opened %1 hours ago", hours);
        }
    } else {
        if (days < 30)
            return i18np("Opened yesterday", "Opened %1 days ago", days);
        if (days < 365)
            return i18np("Opened over a month ago", "Opened %1 months ago", days / 30);
        return i18np("Opened one year ago", "Opened %1 years ago", days / 365);
    }
    return QString();
}

void
UpcomingEventsWidget::setDate( const KDateTime &date )
{
    QLabel *dateLabel = static_cast<QLabel*>( m_date->widget() );
    dateLabel->setText( KGlobal::locale()->formatDateTime( date, KLocale::FancyLongDate ) );
    KDateTime currentDT = KDateTime::currentLocalDateTime();
    if( currentDT.compare(date) == KDateTime::Before )
    {
        int daysTo = currentDT.daysTo( date );
        dateLabel->setToolTip( i18ncp( "@info:tooltip Number of days till an event",
                                       "Tomorrow", "In <strong>%1</strong> days", daysTo ) );
    }
}

//@cond PRIVATE
void FreeBusy::Private::init( const Event::List &eventList,
                              const KDateTime &start, const KDateTime &end )
{
  int extraDays, i, x, duration;
  duration = start.daysTo( end );
  QDate day;
  KDateTime tmpStart;
  KDateTime tmpEnd;

  // Loops through every event in the calendar
  Event::List::ConstIterator it;
  for ( it = eventList.constBegin(); it != eventList.constEnd(); ++it ) {
    Event::Ptr event = *it;

    // If this event is transparent it shouldn't be in the freebusy list.
    if ( event->transparency() == Event::Transparent ) {
      continue;
    }

    // The code below can not handle all-day events. Fixing this resulted
    // in a lot of duplicated code. Instead, make a copy of the event and
    // set the period to the full day(s). This trick works for recurring,
    // multiday, and single day all-day events.
    Event::Ptr allDayEvent;
    if ( event->allDay() ) {
      // addDay event. Do the hack
      kDebug() << "All-day event";
      allDayEvent = Event::Ptr( new Event( *event ) );

      // Set the start and end times to be on midnight
      KDateTime st = allDayEvent->dtStart();
      st.setTime( QTime( 0, 0 ) );
      KDateTime nd = allDayEvent->dtEnd();
      nd.setTime( QTime( 23, 59, 59, 999 ) );
      allDayEvent->setAllDay( false );
      allDayEvent->setDtStart( st );
      allDayEvent->setDtEnd( nd );

      kDebug() << "Use:" << st.toString() << "to" << nd.toString();
      // Finally, use this event for the setting below
      event = allDayEvent;
    }

    // This whole for loop is for recurring events, it loops through
    // each of the days of the freebusy request

    for ( i = 0; i <= duration; ++i ) {
      day = start.addDays( i ).date();
      tmpStart.setDate( day );
      tmpEnd.setDate( day );

      if ( event->recurs() ) {
        if ( event->isMultiDay() ) {
  // FIXME: This doesn't work for sub-daily recurrences or recurrences with
  //        a different time than the original event.
          extraDays = event->dtStart().daysTo( event->dtEnd() );
          for ( x = 0; x <= extraDays; ++x ) {
            if ( event->recursOn( day.addDays( -x ), start.timeSpec() ) ) {
              tmpStart.setDate( day.addDays( -x ) );
              tmpStart.setTime( event->dtStart().time() );
              tmpEnd = event->duration().end( tmpStart );

              addLocalPeriod( q, tmpStart, tmpEnd );
              break;
            }
          }
        } else {
          if ( event->recursOn( day, start.timeSpec() ) ) {
            tmpStart.setTime( event->dtStart().time() );
            tmpEnd.setTime( event->dtEnd().time() );

            addLocalPeriod ( q, tmpStart, tmpEnd );
          }
        }
      }

    }
    // Non-recurring events
    addLocalPeriod( q, event->dtStart(), event->dtEnd() );
  }

  q->sortList();
}