Revision control
++ // Copyright (C) 2026 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include "barsimulator.h"
++ #include <QBarSet>
++
++ BarSimulator::BarSimulator(QObject *parent) : DataSimulator(parent)
++ {
++ connect(this, &DataSimulator::simulateDataCompleted, this, &BarSimulator::generateBarSet);
++ }
++
++ int BarSimulator::numberOfCategory() const
++ {
++ return m_numberOfCategory;
++ }
++
++ void BarSimulator::setNumberOfCategory(int numberOfCategory)
++ {
++ if (m_numberOfCategory == numberOfCategory)
++ return;
++
++ m_numberOfCategory = numberOfCategory;
++ emit numberOfCategoryChanged(numberOfCategory);
++ }
++
++ void BarSimulator::addSeries(QBarSeries *series)
++ {
++ m_seriesList.append(series);
++ if (hasData())
++ generateBarSet();
++ }
++
++ void BarSimulator::generateData()
++ {
++ DataSimulator::generateData(1, m_numberOfCategory);
++ }
++
++ void BarSimulator::generateBarSet()
++ {
++ if (m_seriesList.isEmpty())
++ return;
++
++ const auto values = data();
++
++ for (QBarSeries *series : std::as_const(m_seriesList)) {
++ // Create all bar sets first
++ QList<QBarSet *> sets;
++ sets.reserve(values.size() / m_numberOfCategory);
++
++ for (int i = 0; i < values.size() - m_numberOfCategory + 1; i += m_numberOfCategory) {
++ auto *barSet = new QBarSet();
++ barSet->setValues(values.sliced(i, m_numberOfCategory));
++ sets.append(barSet);
++ }
++
++ series->clear();
++ // Append all the sets in one go
++ series->append(sets);
++ }
++ }