mirror of https://github.com/qt/qtgraphs.git
44 lines
1.0 KiB
C++
44 lines
1.0 KiB
C++
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// Copyright (C) 2024 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include "barseries.h"
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#include <QtGraphs/QBarCategoryAxis>
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#include <QtGraphs/QBarSet>
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#include <QtGraphs/QValueAxis>
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BarSeries::BarSeries(QBarSeries *series)
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: m_cpuUpdater(this)
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{
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m_barSeries = series;
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connect(&m_timer, &QTimer::timeout, this, &BarSeries::frameUpdate);
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m_timer.start(100);
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QPointer<QBarCategoryAxis> axis1 = new QBarCategoryAxis(this);
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axis1->setCategories({"Reading 1", "Reading 2", "Reading 3", "Reading 4", "Reading 5"});
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QPointer<QValueAxis> axis2 = new QValueAxis(this);
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axis2->setMin(0);
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axis2->setMax(100);
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setAxisX(axis1);
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setAxisY(axis2);
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m_barList.append(new QBarSet(this));
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for (int i = 0; i < 5; ++i)
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m_barList[0]->append(double(0));
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}
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void BarSeries::frameUpdate()
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{
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auto reading = m_cpuUpdater.update();
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static int counter = 0;
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m_barList[0]->replace(counter++, reading);
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if (counter == 5)
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counter = 0;
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}
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