timelinemodel_p.h 4.38 KB
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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
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** conditions see http://www.qt.io/licensing.  For further information
** use the contact form at http://www.qt.io/contact-us.
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**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/

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#ifndef TIMELINEMODEL_P_H
#define TIMELINEMODEL_P_H
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#include "timelinemodel.h"
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namespace QmlProfiler {

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class QMLPROFILER_EXPORT TimelineModel::TimelineModelPrivate {
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public:
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    static const int DefaultRowHeight = 30;

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    enum IdType { SelectionId, TypeId };

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    enum BoxColorProperties {
        SelectionIdHueMultiplier = 25,
        FractionHueMultiplier = 96,
        FractionHueMininimum = 10,
        Saturation = 150,
        Lightness = 166
    };

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    struct Range {
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        Range() : start(-1), duration(-1), selectionId(-1), parent(-1) {}
        Range(qint64 start, qint64 duration, int selectionId) :
            start(start), duration(duration), selectionId(selectionId), parent(-1) {}
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        qint64 start;
        qint64 duration;
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        int selectionId;
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        int parent;
        inline qint64 timestamp() const {return start;}
    };

    struct RangeEnd {
        RangeEnd() : startIndex(-1), end(-1) {}
        RangeEnd(int startIndex, qint64 end) :
            startIndex(startIndex), end(end) {}
        int startIndex;
        qint64 end;
        inline qint64 timestamp() const {return end;}
    };

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    TimelineModelPrivate(int modelId, const QString &displayName);
    void init(TimelineModel *q);
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    int firstIndexNoParents(qint64 startTime) const;
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    void incrementStartIndices(int index)
    {
        for (int i = 0; i < endTimes.size(); ++i) {
            if (endTimes[i].startIndex >= index)
                endTimes[i].startIndex++;
        }
    }

    template<typename RangeDelimiter>
    static inline int insertSorted(QVector<RangeDelimiter> &container, const RangeDelimiter &item)
    {
        for (int i = container.count();;) {
            if (i == 0) {
                container.prepend(item);
                return 0;
            }
            if (container[--i].timestamp() <= item.timestamp()) {
                container.insert(++i, item);
                return i;
            }
        }
    }

    template<typename RangeDelimiter>
    static inline int lowerBound(const QVector<RangeDelimiter> &container, qint64 time)
    {
        int fromIndex = 0;
        int toIndex = container.count() - 1;
        while (toIndex - fromIndex > 1) {
            int midIndex = (fromIndex + toIndex)/2;
            if (container[midIndex].timestamp() < time)
                fromIndex = midIndex;
            else
                toIndex = midIndex;
        }

        return fromIndex;
    }

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    int prevItemById(IdType idType, int id, qint64 time, int currentSelected) const;
    int nextItemById(IdType idType, int id, qint64 time, int currentSelected) const;

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    QVector<Range> ranges;
    QVector<RangeEnd> endTimes;

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    QVector<int> rowOffsets;
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    const int modelId;
    const QString displayName;

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    bool expanded;
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    bool hidden;
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    int expandedRowCount;
    int collapsedRowCount;
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protected:
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    TimelineModel *q_ptr;
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private:
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    Q_DECLARE_PUBLIC(TimelineModel)
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};

}
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#endif // TIMELINEMODEL_P_H