polarchartvalueaxisangular.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/polarchartvalueaxisangular_p.h>

#include <private/chartpresenter_p.h>

#include <private/abstractchartlayout_p.h>

QT_BEGIN_NAMESPACE

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

    : PolarChartAxisAngular(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)));

PolarChartValueAxisAngular::~PolarChartValueAxisAngular()

QList<qreal> PolarChartValueAxisAngular::calculateLayout() const

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

    Q_ASSERT(tickCount >= 2);

    QList<qreal> points;

    points.resize(tickCount);

    const qreal d = 360.0 / qreal(tickCount - 1);

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

        qreal angularCoordinate = qreal(i) * d;

        points[i] = angularCoordinate;

    return points;

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

    QStringList labelList = createValueLabels(min(), max(), layout.size(), 0.0, 0.0,

                                              QValueAxis::TicksFixed,

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

    setLabels(labelList);

void PolarChartValueAxisAngular::handleTickCountChanged(int tick)

    Q_UNUSED(tick);

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

    QGraphicsLayoutItem::updateGeometry();

    if (presenter())

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

void PolarChartValueAxisAngular::handleMinorTickCountChanged(int tick)

    Q_UNUSED(tick);

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

    QGraphicsLayoutItem::updateGeometry();

    if (presenter())

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

void PolarChartValueAxisAngular::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_polarchartvalueaxisangular_p.cpp"