polarchartvalueaxisradial.cpp

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// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#include <private/polarchartvalueaxisradial_p.h>

#include <private/chartpresenter_p.h>

#include <private/abstractchartlayout_p.h>

QT_BEGIN_NAMESPACE

PolarChartValueAxisRadial::PolarChartValueAxisRadial(QValueAxis *axis, QGraphicsItem *item)

    : PolarChartAxisRadial(axis, item)

    QObject::connect(axis, SIGNAL(tickCountChanged(int)), this, SLOT(handleTickCountChanged(int)));

    QObject::connect(axis, SIGNAL(minorTickCountChanged(int)),

                     this, SLOT(handleMinorTickCountChanged(int)));

    QObject::connect(axis, SIGNAL(labelFormatChanged(QString)), this, SLOT(handleLabelFormatChanged(QString)));

PolarChartValueAxisRadial::~PolarChartValueAxisRadial()

QList<qreal> PolarChartValueAxisRadial::calculateLayout() const

    int tickCount = static_cast<QValueAxis *>(axis())->tickCount();

    Q_ASSERT(tickCount >= 2);

    QList<qreal> points;

    points.resize(tickCount);

    const qreal d = (axisGeometry().width() / 2) / qreal(tickCount - 1);

    for (int i = 0; i < tickCount; ++i) {

        qreal radialCoordinate = qreal(i) * d;

        points[i] = radialCoordinate;

    return points;

void PolarChartValueAxisRadial::createAxisLabels(const QList<qreal> &layout)

    setLabels(createValueLabels(min(), max(), layout.size(), 0.0, 0.0,

                                QValueAxis::TicksFixed,

                                static_cast<QValueAxis *>(axis())->labelFormat()));

void PolarChartValueAxisRadial::handleTickCountChanged(int tick)

    Q_UNUSED(tick);

    // AXIVION Next Line Qt-SkippedBaseMethod: not an override

    QGraphicsLayoutItem::updateGeometry();

    if (presenter())

        presenter()->layout()->invalidate();

void PolarChartValueAxisRadial::handleMinorTickCountChanged(int tick)

    Q_UNUSED(tick);

    // AXIVION Next Line Qt-SkippedBaseMethod: not an override

    QGraphicsLayoutItem::updateGeometry();

    if (presenter())

        presenter()->layout()->invalidate();

void PolarChartValueAxisRadial::handleLabelFormatChanged(const QString &format)

    Q_UNUSED(format);

    // AXIVION Next Line Qt-SkippedBaseMethod: not an override

    QGraphicsLayoutItem::updateGeometry();

    if (presenter())

        presenter()->layout()->invalidate();

QT_END_NAMESPACE

#include "moc_polarchartvalueaxisradial_p.cpp"