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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#pragma once
#include "tracing_global.h"
#include <QObject>
#include <QModelIndex>
#include <QVariant>
namespace FlameGraph {
class TRACING_EXPORT FlameGraphAttached : public QObject
{
Q_OBJECT
Q_PROPERTY(qreal relativeSize READ relativeSize WRITE setRelativeSize
NOTIFY relativeSizeChanged)
Q_PROPERTY(qreal relativePosition READ relativePosition WRITE setRelativePosition
NOTIFY relativePositionChanged)
Q_PROPERTY(bool dataValid READ isDataValid NOTIFY dataValidChanged)
Q_PROPERTY(QModelIndex modelIndex READ modelIndex WRITE setModelIndex NOTIFY modelIndexChanged)
public:
FlameGraphAttached(QObject *parent = nullptr) :
QObject(parent), m_relativeSize(0), m_relativePosition(0) {}
QModelIndex modelIndex() const
{
return m_data;
}
Q_INVOKABLE QVariant data(int role) const
{
return m_data.isValid() ? m_data.data(role) : QVariant();
}
bool isDataValid() const
{
return m_data.isValid();
}
qreal relativeSize() const
{
return m_relativeSize;
}
void setRelativeSize(qreal relativeSize)
{
if (relativeSize != m_relativeSize) {
m_relativeSize = relativeSize;
emit relativeSizeChanged();
}
}
qreal relativePosition() const
{
return m_relativePosition;
}
void setRelativePosition(qreal relativePosition)
{
if (relativePosition != m_relativePosition) {
m_relativePosition = relativePosition;
emit relativePositionChanged();
}
}
void setModelIndex(const QModelIndex &data)
{
if (data != m_data) {
bool validChanged = (data.isValid() != m_data.isValid());
m_data = data;
if (validChanged)
emit dataValidChanged();
emit modelIndexChanged();
}
}
signals:
void dataValidChanged();
void modelIndexChanged();
void relativeSizeChanged();
void relativePositionChanged();
private:
QPersistentModelIndex m_data;
qreal m_relativeSize;
qreal m_relativePosition;
};
} // namespace FlameGraph
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