C++ QValueList::find方法代码示例

void
QueueManager::addItems( QListViewItem *after )
{
    /*
        HACK!!!!! We can know which items where dragged since they should still be selected
        I do this, because:
        - Dragging items from the playlist provides urls
        - Providing urls, requires iterating through the entire list in order to find which
          item was selected.  Possibly a very expensive task - worst case: O(n)
        - After a drag, those items are still selected in the playlist, so we can find out
          which PlaylistItems were dragged by selectedItems();
    */

    if( !after )
        after = m_listview->lastChild();

    QPtrList<QListViewItem> list = Playlist::instance()->selectedItems();

    for( QListViewItem *item = list.first(); item; item = list.next() )
    {
#define item static_cast<PlaylistItem*>(item)
        QValueList<PlaylistItem*> current = m_map.values();

        if( current.find( item ) == current.end() ) //avoid duplication
        {
            QString title = i18n("%1 - %2").arg( item->artist(), item->title() );

            after = new QueueItem( m_listview, after, title );
            m_map[ after ] = item;
        }
#undef item
    }

}

void OKeyFilterPrivate::addHandler(QWSServer::KeyboardFilter*aF)
{
    if (!aF) return;
    if (filterList.find(aF)!=filterList.end()) {
        return;
    }
    odebug << "adding a keyboard filter handler"<<oendl;
    filterList.append(aF);
}

void OKeyFilterPrivate::addPreHandler(QWSServer::KeyboardFilter*aF)
{
    if (!aF) return;
    if (preFilterList.find(aF)!=preFilterList.end()) {
        return;
    }
    odebug << "adding a preferred keyboard filter handler"<<oendl;
    preFilterList.append(aF);
}

void OKeyFilterPrivate::remHandler(QWSServer::KeyboardFilter*aF)
{
    if (!aF) return;
    QValueList<QWSServer::KeyboardFilter*>::Iterator iter;
    if ( (iter=filterList.find(aF))==filterList.end() ) {
        return;
    }
    odebug << "removing a keyboard filter handler"<<oendl;
    filterList.remove(iter);
}

void
QueueManager::addQueuedItem( PlaylistItem *item )
{
    Playlist *pl = Playlist::instance();
    if( !pl ) return; //should never happen

    const int index = pl->m_nextTracks.findRef( item );

    QListViewItem *after;
    if( !index ) after = 0;
    else
    {
        int find = m_listview->childCount();
        if( index - 1 <= find )
            find = index - 1;
        after = m_listview->itemAtIndex( find );
    }

    QValueList<PlaylistItem*>         current = m_map.values();
    QValueListIterator<PlaylistItem*> newItem = current.find( item );

    QString title = i18n("%1 - %2").arg( item->artist(), item->title() );

    if( newItem == current.end() ) //avoid duplication
    {
        after = new QueueItem( m_listview, after, title );
        m_map[ after ] = item;
    }
    else //track is in the queue, remove it.
    {
        QListViewItem *removableItem = m_listview->findItem( title, 0 );

        if( removableItem )
        {
            //Remove the key from the map, so we can re-queue the item
            QMapIterator<QListViewItem*, PlaylistItem*> end(  m_map.end() );
            for( QMapIterator<QListViewItem*, PlaylistItem*> it = m_map.begin(); it != end; ++it )
            {
                if( it.data() == item )
                {
                    m_map.remove( it );

                    //Remove the item from the queuelist
                    m_listview->takeItem( removableItem );
                    delete removableItem;
                    return;
                }
            }
        }
    }

}

/******************************************************************************
* Check if any alarms are pending for a specified calendar, and display the
* pending alarms.
*/
void AlarmDaemon::checkAlarms(ADCalendar *cal)
{
    kdDebug(5901) << "AlarmDaemons::checkAlarms(" << cal->urlString() << ")" << endl;
    if(!cal->loaded()  ||  !cal->enabled())
        return;

    QDateTime now  = QDateTime::currentDateTime();
    kdDebug(5901) << "  To: " << now.toString() << endl;
    QValueList<KCal::Alarm *> alarms = cal->alarmsTo(now);
    if(!alarms.count())
        return;
    QValueList<KCal::Event *> eventsDone;
    for(QValueList<KCal::Alarm *>::ConstIterator it = alarms.begin();  it != alarms.end();  ++it)
    {
        KCal::Event *event = dynamic_cast<KCal::Event *>((*it)->parent());
        if(!event  ||  eventsDone.find(event) != eventsDone.end())
            continue;   // either not an event, or the event has already been processed
        eventsDone += event;
        const QString &eventID = event->uid();
        kdDebug(5901) << "AlarmDaemon::checkAlarms(): event " << eventID  << endl;

        // Check which of the alarms for this event are due.
        // The times in 'alarmtimes' corresponding to due alarms are set.
        // The times for non-due alarms are set invalid in 'alarmtimes'.
        bool recurs = event->doesRecur();
        const QStringList cats = event->categories();
        bool floats = (cats.find(QString::fromLatin1("DATE")) != cats.end());
        QDateTime nextDateTime = event->dtStart();
        if(recurs)
        {
            QString prop = event->customProperty("KALARM", "NEXTRECUR");
            if(prop.length() >= 8)
            {
                // The next due recurrence time is specified
                QDate d(prop.left(4).toInt(), prop.mid(4, 2).toInt(), prop.mid(6, 2).toInt());
                if(d.isValid())
                {
                    if(floats  &&  prop.length() == 8)
                        nextDateTime = d;
                    else if(!floats  &&  prop.length() == 15  &&  prop[8] == QChar('T'))
                    {
                        QTime t(prop.mid(9, 2).toInt(), prop.mid(11, 2).toInt(), prop.mid(13, 2).toInt());
                        if(t.isValid())
                            nextDateTime = QDateTime(d, t);
                    }
                }
            }
        }
        if(floats)
            nextDateTime.setTime(mStartOfDay);
        QValueList<QDateTime> alarmtimes;
        KCal::Alarm::List alarms = event->alarms();
        for(KCal::Alarm::List::ConstIterator al = alarms.begin();  al != alarms.end();  ++al)
        {
            KCal::Alarm *alarm = *al;
            QDateTime dt;
            if(alarm->enabled())
            {
                QDateTime dt1;
                if(!alarm->hasTime())
                {
                    // Find the latest recurrence for the alarm.
                    // Need to do this for alarms with offsets in order to detect
                    // reminders due for recurrences.
                    int offset = alarm->hasStartOffset() ? alarm->startOffset().asSeconds()
                                 : alarm->endOffset().asSeconds() + event->dtStart().secsTo(event->dtEnd());
                    if(offset)
                    {
                        dt1 = nextDateTime.addSecs(floats ? (offset / SECS_PER_DAY) * SECS_PER_DAY : offset);
                        if(dt1 > now)
                            dt1 = QDateTime();
                    }
                }
                // Get latest due repetition, or the recurrence time if none
                dt = nextDateTime;
                if(nextDateTime <= now  &&  alarm->repeatCount() > 0)
                {
                    int snoozeSecs = alarm->snoozeTime() * 60;
                    int offset = alarm->repeatCount() * snoozeSecs;
                    QDateTime lastRepetition = nextDateTime.addSecs(floats ? (offset / SECS_PER_DAY) * SECS_PER_DAY : offset);
                    if(lastRepetition <= now)
                        dt = lastRepetition;
                    else
                    {
                        int repetition = nextDateTime.secsTo(now) / snoozeSecs;
                        int offset = repetition * snoozeSecs;
                        dt = nextDateTime.addSecs(floats ? (offset / SECS_PER_DAY) * SECS_PER_DAY : offset);
                    }
                }
                if(!dt.isValid()  ||  dt > now
                        ||  dt1.isValid()  &&  dt1 > dt)  // already tested dt1 <= now
                    dt = dt1;
            }
            alarmtimes.append(dt);
        }
        if(!cal->eventHandled(event, alarmtimes))
//.........这里部分代码省略.........

/**
  Paints the actual data area.

  \param painter the QPainter onto which the chart should be painted
  \param data the data that will be displayed as a chart
  \param paint2nd specifies whether the main chart or the additional chart is to be drawn now
  \param regions a pointer to a list of regions that will be filled
  with regions representing the data segments, if not null
  */
void KDChartPiePainter::paintData( QPainter* painter,
        KDChartTableDataBase* data,
        bool paint2nd,
        KDChartDataRegionList* regions )
{
//bHelp=true;
    uint chart = paint2nd ? 1 : 0;

    QRect ourClipRect( _dataRect );
    ourClipRect.addCoords( -1,-1,1,1 );

    const QWMatrix & world = painter->worldMatrix();
    ourClipRect =
#if COMPAT_QT_VERSION >= 0x030000
        world.mapRect( ourClipRect );
#else
    world.map( ourClipRect );
#endif

    painter->setClipRect( ourClipRect );

    // find which dataset to paint
    uint dataset;
    if ( !params()->findDataset( KDChartParams::DataEntry
                ,
                dataset, dataset ) ) {
        return ; // nothing to draw
    }

    if ( dataset == KDCHART_ALL_DATASETS )
        // setChartSourceMode() has not been used (or all datasets have been
        // configured to be used); use the first dataset by
        // default
        dataset = 0;


    // Number of values: If -1, use all values, otherwise use the
    // specified number of values.
    if ( params()->numValues() != -1 )
        _numValues = params()->numValues();
    else
        _numValues = data->usedCols();

    _startAngles.resize( _numValues );
    _angleLens.resize( _numValues );

    // compute position
    _size = QMIN( _dataRect.width(), _dataRect.height() ); // initial size
    // if the pies explode, we need to give them additional space =>
    // make the basic size smaller
    if ( params()->explode() ) {
        double doubleSize = ( double ) _size;
        doubleSize /= ( 1.0 + params()->explodeFactor() * 2 );
        _size = ( int ) doubleSize;
    }

    int sizeFor3DEffect = 0;
    if ( !params()->threeDPies() ) {

        int x = ( _dataRect.width() == _size ) ? 0 : ( ( _dataRect.width() - _size ) / 2 );
        int y = ( _dataRect.height() == _size ) ? 0 : ( ( _dataRect.height() - _size ) / 2 );
        _position = QRect( x, y, _size, _size );
        _position.moveBy( _dataRect.left(), _dataRect.top() );
    } else {
        // threeD: width is the maximum possible width; height is 1/2 of that
        int x = ( _dataRect.width() == _size ) ? 0 : ( ( _dataRect.width() - _size ) / 2 );
        int height = _size;
        // make sure that the height plus the threeDheight is not more than the
        // available size
        if ( params()->threeDPieHeight() >= 0 ) {
            // positive pie height: absolute value
            sizeFor3DEffect = params()->threeDPieHeight();
            height = _size - sizeFor3DEffect;
        } else {
            // negative pie height: relative value
            sizeFor3DEffect = -( int ) ( ( ( double ) params()->threeDPieHeight() / 100.0 ) * ( double ) height );
            height = _size - sizeFor3DEffect;
        }
        int y = ( _dataRect.height() == height ) ? 0 : ( ( _dataRect.height() - height - sizeFor3DEffect ) / 2 );

        _position = QRect( _dataRect.left() + x, _dataRect.top() + y,
                _size, height );
        //  _position.moveBy( _dataRect.left(), _dataRect.top() );
    }

    double sum = data->rowAbsSum( dataset );
    if( sum==0 ) //nothing to draw
        return;
    double sectorsPerValue = 5760.0 / sum; // 5760 == 16*360, number of sections in Qt circle

    int currentValue = params()->pieStart() * 16;
//.........这里部分代码省略.........

/**
  Internal method that draws one of the pies in a pie chart.

  \param painter the QPainter to draw in
  \param dataset the dataset to draw the pie for
  \param pie the pie to draw
  \param the chart to draw the pie in
  \param regions a pointer to a list of regions that will be filled
  with regions representing the data segments, if not null
  */
void KDChartPiePainter::drawOnePie( QPainter* painter,
        KDChartTableDataBase* /*data*/,
        uint dataset, uint pie, uint chart,
        uint threeDPieHeight,
        KDChartDataRegionList* regions )
{
    // Is there anything to draw at all?
    int angleLen = _angleLens[ ( int ) pie ];
    if ( angleLen ) {
        int startAngle = _startAngles[ ( int ) pie ];

        KDChartDataRegion* datReg = 0;
        QRegion* region = 0;
        bool mustDeleteRegion = false;
        if ( regions ){
            region = new QRegion();
            mustDeleteRegion = true;
        }

        QRect drawPosition = _position;
        if ( params()->explode() ) {
            // need to compute a new position for each or some of the pie
            QValueList<int> explodeList = params()->explodeValues();
            if( explodeList.count() == 0 || // nothing on list, explode all
                    explodeList.find( pie ) != explodeList.end() ) {
                double explodeAngle = ( startAngle + angleLen / 2 ) / 16;
                double explodeAngleRad = DEGTORAD( explodeAngle );
                double cosAngle = cos( explodeAngleRad );
                double sinAngle = -sin( explodeAngleRad );

                // find the explode factor for this particular pie
                double explodeFactor = 0.0;
                QMap<int,double> explodeFactors = params()->explodeFactors();
                if( !explodeFactors.contains( pie ) ) // not on factors list, use default
                    explodeFactor = params()->explodeFactor();
                else // on factors list, use segment-specific value
                    explodeFactor = explodeFactors[pie];

                double explodeX = explodeFactor * _size * cosAngle;
                double explodeY = explodeFactor * _size * sinAngle;
                drawPosition.moveBy( static_cast<int>( explodeX ), static_cast<int>( explodeY ) );
            } else
                drawPosition = _position;
        } else
            drawPosition = _position;

        // The 3D effect needs to be drawn first because it could
        // otherwise partly hide the pie itself.
        if ( params()->threeDPies() ) {
            draw3DEffect( painter, drawPosition, dataset, pie, chart,
                          threeDPieHeight,
                          params()->explode(), region );
        }

        painter->setBrush( params()->dataColor( pie ) );
        if ( angleLen == 5760 ) {
            // full circle, avoid nasty line in the middle
            painter->drawEllipse( drawPosition );
            if ( regions ) {
                QPointArray hitregion;
                hitregion.makeEllipse( drawPosition.x(), drawPosition.y(),
                                       drawPosition.width(),
                                       drawPosition.height() );
                datReg = new KDChartDataRegion( region->unite( QRegion( hitregion ) ),
                                                dataset,
                                                pie,
                                                chart );
                datReg->points[ KDChartEnums::PosCenter ]
                    = drawPosition.center();
                datReg->points[ KDChartEnums::PosCenterRight ]
                    = pointOnCircle( drawPosition,    0 );
                datReg->points[ KDChartEnums::PosTopRight ]
                    = pointOnCircle( drawPosition,  720 );
                datReg->points[ KDChartEnums::PosTopCenter ]
                    = pointOnCircle( drawPosition, 1440 );
                datReg->points[ KDChartEnums::PosTopLeft ]
                    = pointOnCircle( drawPosition, 2160 );
                datReg->points[ KDChartEnums::PosCenterLeft ]
                    = pointOnCircle( drawPosition, 2880 );
                datReg->points[ KDChartEnums::PosBottomLeft ]
                    = pointOnCircle( drawPosition, 3600 );
                datReg->points[ KDChartEnums::PosBottomCenter ]
                    = pointOnCircle( drawPosition, 4320 );
                datReg->points[ KDChartEnums::PosBottomRight ]
                    = pointOnCircle( drawPosition, 5040 );
                datReg->startAngle = 2880;
                datReg->angleLen   = 5760;
                regions->append( datReg );
            }
        } else {
//.........这里部分代码省略.........

bool CppEditorCompletion::doObjectCompletion( const QString &objName )
{
    if ( !ths )
	return FALSE;
    QString object( objName );
    int i = -1;
    if ( ( i = object.findRev( "->" ) ) != -1 )
	object = object.mid( i + 2 );
    if ( ( i = object.findRev( "." ) ) != -1 )
	object = object.mid( i + 1 );
    object = object.simplifyWhiteSpace();
    QObject *obj = 0;
    if ( ths->name() == object || object == "this" ) {
	obj = ths;
    } else {
	obj = ths->child( object );
    }

    if ( !obj )
	return FALSE;

    QValueList<CompletionEntry> lst;

    if ( obj->children() ) {
	for ( QObjectListIt cit( *obj->children() ); cit.current(); ++cit ) {
	    QString s( cit.current()->name() );
	    if ( s.find( " " ) == -1 && s.find( "qt_" ) == -1 && s.find( "unnamed" ) == -1 ) {
		CompletionEntry c;
		c.type = "variable";
		c.text = s;
		c.prefix = "";
		lst << c;
	    }
	}
    }

    QStrList props = obj->metaObject()->propertyNames( TRUE );
    for ( QPtrListIterator<char> pit( props ); pit.current(); ++pit ) {
	QString f( pit.current() );
	QChar c = f[ 0 ];
	f.remove( (uint)0, 1 );
	f.prepend( c.upper() );
	f.prepend( "set" );

	CompletionEntry ce;
	ce.type = "property";
	ce.text = f;
	ce.postfix = "()";

	if ( lst.find( ce ) == lst.end() )
	    lst << ce;
    }

    QStrList slts = obj->metaObject()->slotNames( TRUE );
    for ( QPtrListIterator<char> sit( slts ); sit.current(); ++sit ) {
	QString f( sit.current() );
	f = f.left( f.find( "(" ) );
	CompletionEntry c;
	c.type = "slot";
	c.text = f;
	c.postfix = "()";
	if ( lst.find( c ) == lst.end() )
	    lst << c;
    }

    if ( lst.isEmpty() )
	return FALSE;

    showCompletion( lst );
    return TRUE;
}