C++ qLowerBound函数代码示例

QDBusMessage qDBusPropertySet(const QDBusConnectionPrivate::ObjectTreeNode &node,
                              const QDBusMessage &msg)
{
    Q_ASSERT(msg.arguments().count() == 3);
    Q_ASSERT_X(!node.obj || QThread::currentThread() == node.obj->thread(),
               "QDBusConnection: internal threading error",
               "function called for an object that is in another thread!!");

    QString interface_name = msg.arguments().at(0).toString();
    QByteArray property_name = msg.arguments().at(1).toString().toUtf8();
    QVariant value = qvariant_cast<QDBusVariant>(msg.arguments().at(2)).variant();

    QDBusAdaptorConnector *connector;
    if (node.flags & QDBusConnection::ExportAdaptors &&
        (connector = qDBusFindAdaptorConnector(node.obj))) {

        // find the class that implements interface_name or try until we've found the property
        // in case of an empty interface
        if (interface_name.isEmpty()) {
            for (QDBusAdaptorConnector::AdaptorMap::ConstIterator it = connector->adaptors.constBegin(),
                 end = connector->adaptors.constEnd(); it != end; ++it) {
                int status = writeProperty(it->adaptor, property_name, value);
                if (status == PropertyNotFound)
                    continue;
                return propertyWriteReply(msg, interface_name, property_name, status);
            }
        } else {
            QDBusAdaptorConnector::AdaptorMap::ConstIterator it;
            it = qLowerBound(connector->adaptors.constBegin(), connector->adaptors.constEnd(),
                             interface_name);
            if (it != connector->adaptors.end() && interface_name == QLatin1String(it->interface)) {
                return propertyWriteReply(msg, interface_name, property_name,
                                          writeProperty(it->adaptor, property_name, value));
            }
        }
    }

    if (node.flags & (QDBusConnection::ExportScriptableProperties |
                      QDBusConnection::ExportNonScriptableProperties)) {
        // try the object itself
        bool interfaceFound = true;
        if (!interface_name.isEmpty())
            interfaceFound = qDBusInterfaceInObject(node.obj, interface_name);

        if (interfaceFound) {
            return propertyWriteReply(msg, interface_name, property_name,
                                      writeProperty(node.obj, property_name, value, node.flags));
        }
    }

    // the property was not found
    if (!interface_name.isEmpty())
        return interfaceNotFoundError(msg, interface_name);
    return propertyWriteReply(msg, interface_name, property_name, PropertyNotFound);
}

void StemNode::add_info(const long cat_id)
{
	#if !defined(REDUCE_THRU_DIACRITICS) && !defined(MEMORY_EXHAUSTIVE)
		QVector<long>::iterator i =   qLowerBound(category_ids.begin(),category_ids.end(), cat_id);
		if (i==category_ids.end() || *i!=cat_id)
			category_ids.insert(i, cat_id);
	#elif defined(REDUCE_THRU_DIACRITICS)
		add_info(cat_id,key);
	#endif
}

void TextDocument::addHighlight(int block)
{
    const int max = totalCount() - 1;
    if (block == -1)
        block = max;
    if (block >= 0 && block <= max) {
        QList<int>::iterator it = qLowerBound(d.highlights.begin(), d.highlights.end(), block);
        d.highlights.insert(it, block);
        updateBlock(block);
    }
}

void KateLineLayoutMap::relayoutLines(int startRealLine, int endRealLine)
{
  LineLayoutMap::iterator start =
      qLowerBound(m_lineLayouts.begin(), m_lineLayouts.end(), LineLayoutPair(startRealLine, KateLineLayoutPtr()), lessThan);
  LineLayoutMap::iterator end =
      qUpperBound(start, m_lineLayouts.end(), LineLayoutPair(endRealLine, KateLineLayoutPtr()), lessThan);

  while (start != end) {
    (*start).second->setLayoutDirty();
    ++start;
  }
}

int SearchResultTreeItem::insertionIndex(const QString &text, SearchResultTreeItem **existingItem) const
{
    QList<SearchResultTreeItem *>::const_iterator insertionPosition =
            qLowerBound(m_children.begin(), m_children.end(), text, lessThanByText);
    if (existingItem) {
        if (insertionPosition != m_children.end() && (*insertionPosition)->item.text == text)
            (*existingItem) = (*insertionPosition);
        else
            *existingItem = 0;
    }
    return insertionPosition - m_children.begin();
}

void CommentsModel::addComment(const QVariantMap &data)
{
    int cid = data.value("cid").toInt();
    if (findComment(cid) != -1)
        return;

    auto it = qLowerBound(m_comments.begin(), m_comments.end(), data , commentLessThan);
    auto last = it - m_comments.begin();
    beginInsertRows(QModelIndex(), last, last);
    m_comments.insert(it, data);
    endInsertRows();
    qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
}

    void updateEntry(const QString &address, const QString &label, bool isMine, int status)
    {
        // Find address / label in model
        QList<AddressTableEntry>::iterator lower = qLowerBound(
            cachedAddressTable.begin(), cachedAddressTable.end(), address, AddressTableEntryLessThan());
        QList<AddressTableEntry>::iterator upper = qUpperBound(
            cachedAddressTable.begin(), cachedAddressTable.end(), address, AddressTableEntryLessThan());
        int lowerIndex = (lower - cachedAddressTable.begin());
        int upperIndex = (upper - cachedAddressTable.begin());
        bool inModel = (lower != upper);
        AddressTableEntry::Type newEntryType = isMine ? AddressTableEntry::Receiving : AddressTableEntry::Sending;

        switch(status)
        {
        case CT_NEW:
            if(inModel)
            {
                OutputDebugStringF("Warning: AddressTablePriv::updateEntry: Got CT_NOW, but entry is already in model\n");
                break;
            }
            {
                CBitcoinAddress addr(address.toStdString());
                AddressTableEntry::Category cate = IsMyShare(*wallet, addr.Get()) ? AddressTableEntry::MultiSig : AddressTableEntry::Normal;

                parent->beginInsertRows(QModelIndex(), lowerIndex, lowerIndex);
                cachedAddressTable.insert(lowerIndex, AddressTableEntry(newEntryType, label, address, cate));
                parent->endInsertRows();
            }
            break;
        case CT_UPDATED:
            if(!inModel)
            {
                OutputDebugStringF("Warning: AddressTablePriv::updateEntry: Got CT_UPDATED, but entry is not in model\n");
                break;
            }
            lower->type = newEntryType;
            lower->label = label;
            parent->emitDataChanged(lowerIndex);
            break;
        case CT_DELETED:
            if(!inModel)
            {
                OutputDebugStringF("Warning: AddressTablePriv::updateEntry: Got CT_DELETED, but entry is not in model\n");
                break;
            }
            parent->beginRemoveRows(QModelIndex(), lowerIndex, upperIndex-1);
            cachedAddressTable.erase(lower, upper);
            parent->endRemoveRows();
            break;
        }
    }

void TaskModel::addTask(const Task &task)
{
    Q_ASSERT(m_categories.keys().contains(task.category));
    CategoryData &data = m_categories[task.category];
    CategoryData &global = m_categories[Core::Id()];

    QList<Task>::iterator it = qLowerBound(m_tasks.begin(), m_tasks.end(),task.taskId, sortById);
    int i = it - m_tasks.begin();
    beginInsertRows(QModelIndex(), i, i);
    m_tasks.insert(it, task);
    data.addTask(task);
    global.addTask(task);
    endInsertRows();
}

void BuddyModel::setFilterByName(const QString &filter)
{
    m_filterByName = filter;
    emit filterByNameChanged(filter);

    Vreen::BuddyList list;
    foreach (auto buddy, m_roster->buddies()) {
        if (checkContact(buddy)) {
            auto it = qLowerBound(list.begin(), list.end(), buddy, m_buddyComparator);
            list.insert(it, buddy);
        }
    }
    setBuddies(list);
}

QModelIndex TreeProxyModel::mapFromSource(const QModelIndex &sourceIndex) const
{
    if (!sourceIndex.isValid())
        return QModelIndex();
    if (sourceRowCache.isEmpty())
        rowCount(QModelIndex());
    QList<int>::iterator it;
    it = qLowerBound(sourceRowCache.begin(), sourceRowCache.end(), sourceIndex.row());
    if (*it != sourceIndex.row())
        --it;
    int dateRow = qMax(0, it - sourceRowCache.begin());
    int row = sourceIndex.row() - sourceRowCache.at(dateRow);
    return createIndex(row, sourceIndex.column(), dateRow + 1);
}

QDBusMessage qDBusPropertyGetAll(const QDBusConnectionPrivate::ObjectTreeNode &node,
                                 const QDBusMessage &msg)
{
    Q_ASSERT(msg.arguments().count() == 1);
    Q_ASSERT_X(!node.obj || QThread::currentThread() == node.obj->thread(),
               "QDBusConnection: internal threading error",
               "function called for an object that is in another thread!!");

    QString interface_name = msg.arguments().at(0).toString();

    bool interfaceFound = false;
    QVariantMap result;

    QDBusAdaptorConnector *connector;
    if (node.flags & QDBusConnection::ExportAdaptors &&
        (connector = qDBusFindAdaptorConnector(node.obj))) {

        if (interface_name.isEmpty()) {
            // iterate over all interfaces
            for (QDBusAdaptorConnector::AdaptorMap::ConstIterator it = connector->adaptors.constBegin(),
                 end = connector->adaptors.constEnd(); it != end; ++it) {
                result += readAllProperties(it->adaptor, QDBusConnection::ExportAllProperties);
            }
        } else {
            // find the class that implements interface_name
            QDBusAdaptorConnector::AdaptorMap::ConstIterator it;
            it = qLowerBound(connector->adaptors.constBegin(), connector->adaptors.constEnd(),
                             interface_name);
            if (it != connector->adaptors.constEnd() && interface_name == QLatin1String(it->interface)) {
                interfaceFound = true;
                result = readAllProperties(it->adaptor, QDBusConnection::ExportAllProperties);
            }
        }
    }

    if (node.flags & QDBusConnection::ExportAllProperties &&
        (!interfaceFound || interface_name.isEmpty())) {
        // try the object itself
        result += readAllProperties(node.obj, node.flags);
        interfaceFound = true;
    }

    if (!interfaceFound && !interface_name.isEmpty()) {
        // the interface was not found
        return interfaceNotFoundError(msg, interface_name);
    }

    return msg.createReply(QVariant::fromValue(result));
}

 void addMessageEntry(const MessageTableEntry & message, const bool & append)
 {
     if(append)
     {
         cachedMessageTable.append(message);
     } else
     {
         int index = qLowerBound(cachedMessageTable.begin(), cachedMessageTable.end(), message.received_datetime, MessageTableEntryLessThan()) - cachedMessageTable.begin();
         parent->beginInsertRows(QModelIndex(), index, index);
         cachedMessageTable.insert(
                     index,
                     message);
         parent->endInsertRows();
     }
 }

void VisibleTimeRange::computePrimaryTickSecs(int prefferedTickCount)
{
    if (prefferedTickCount)
    {
        int minTickSecs = qMax(visibleSeconds() / prefferedTickCount, 1);
        QList<int>::const_iterator tickIterator = qLowerBound(m_tickSizes, minTickSecs);
        if (tickIterator == m_tickSizes.constEnd())
            m_primaryTickSecs = m_tickSizes.last();
        else
            m_primaryTickSecs = *tickIterator;
    }
    else
        m_primaryTickSecs = m_tickSizes.last();

    emit primaryTickSecsChanged(m_primaryTickSecs);
}

void ChartsModel::prepareAmountYAxis()
{
    iAmountFirst=qLowerBound(amountDate.begin(),amountDate.end(),graphFirstDate)-amountDate.begin();
    widthAmountYAxis=5;
    if(iAmountFirst<amountDate.count()){
        amountMax=amountPrice.at(std::max_element(amountPrice.begin()+iAmountFirst,amountPrice.end())-amountPrice.begin());
        amountYScale=double(chartsHeight)*0.9/amountMax;
        double amountStepY=stepRound(amountMax/5);
        for(double amountY=0;amountY<amountMax;amountY+=amountStepY){
            graphAmountText.append(baseValues.currentPair.currASign+" "+QString::number(amountY));
            graphAmountTextY.append(qRound(amountYScale*amountY));
            widthAmountYAxis=qMax(fontMetrics->width(graphAmountText.last()),widthAmountYAxis);
        }
    }
    widthAmountYAxis+=14;
}

/*!
    \internal
    The goal of this function is to update the currentInterval member. As a consequence, we also
    need to update the currentValue.
    Set \a force to true to always recalculate the interval.
*/
void QVariantAnimationPrivate::recalculateCurrentInterval(bool force/*=false*/)
{
    // can't interpolate if we don't have at least 2 values
    if ((keyValues.count() + (defaultStartEndValue.isValid() ? 1 : 0)) < 2)
        return;

    const qreal endProgress = (direction == QAbstractAnimation::Forward) ? qreal(1) : qreal(0);
    const qreal progress = easing.valueForProgress(((duration == 0) ? endProgress : qreal(currentTime) / qreal(duration)));

    //0 and 1 are still the boundaries
    if (force || (currentInterval.start.first > 0 && progress < currentInterval.start.first)
        || (currentInterval.end.first < 1 && progress > currentInterval.end.first)) {
        //let's update currentInterval
        QVariantAnimation::KeyValues::const_iterator it = qLowerBound(keyValues.constBegin(),
                                                                      keyValues.constEnd(),
                                                                      qMakePair(progress, QVariant()),
                                                                      animationValueLessThan);
        if (it == keyValues.constBegin()) {
            //the item pointed to by it is the start element in the range    
            if (it->first == 0 && keyValues.count() > 1) {
                currentInterval.start = *it;
                currentInterval.end = *(it+1);
            } else {
                currentInterval.start = qMakePair(qreal(0), defaultStartEndValue);
                currentInterval.end = *it;
            }
        } else if (it == keyValues.constEnd()) {
            --it; //position the iterator on the last item
            if (it->first == 1 && keyValues.count() > 1) {
                //we have an end value (item with progress = 1)
                currentInterval.start = *(it-1);
                currentInterval.end = *it;
            } else {
                //we use the default end value here
                currentInterval.start = *it;
                currentInterval.end = qMakePair(qreal(1), defaultStartEndValue);
            }
        } else {
            currentInterval.start = *(it-1);
            currentInterval.end = *it;
        }

        // update all the values of the currentInterval
        updateInterpolator();
    }
    setCurrentValueForProgress(progress);
}