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++ // Copyright (C) 2017 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ #include "qvalue3daxis_p.h"
++ #include "qvalue3daxisformatter_p.h"
++ #include "abstract3dcontroller_p.h"
++
++ QT_BEGIN_NAMESPACE
++
++ /*!
++ * \class QValue3DAxis
++ * \inmodule QtDataVisualization
++ * \brief The QValue3DAxis class manipulates an axis of a graph.
++ * \since QtDataVisualization 1.0
++ *
++ * A value axis can be given a range of values and segment and subsegment
++ * counts to divide the range into.
++ *
++ * Labels are drawn between each segment. Grid lines are drawn between each segment and each
++ * subsegment. \note If visible, there will always be at least two grid lines and labels indicating
++ * the minimum and the maximum values of the range, as there is always at least one segment.
++ */
++
++ /*!
++ * \qmltype ValueAxis3D
++ * \inqmlmodule QtDataVisualization
++ * \since QtDataVisualization 1.0
++ * \ingroup datavisualization_qml
++ * \nativetype QValue3DAxis
++ * \inherits AbstractAxis3D
++ * \brief Manipulates an axis of a graph.
++ *
++ * This type provides an axis that can be given a range of values and segment and subsegment
++ * counts to divide the range into.
++ */
++
++
++ /*!
++ * \qmlproperty int ValueAxis3D::segmentCount
++ *
++ * The number of segments on the axis. This indicates how many labels are drawn. The number
++ * of grid lines to be drawn is calculated with the following formula:
++ * \c {segments * subsegments + 1}.
++ * The preset default is \c 5. The value cannot be below \c 1.
++ */
++
++ /*!
++ * \qmlproperty int ValueAxis3D::subSegmentCount
++ *
++ * The number of subsegments inside each segment on the axis. Grid lines are drawn between
++ * each subsegment, in addition to each segment.
++ * The preset default is \c 1. The value cannot be below \c 1.
++ */
++
++ /*!
++ * \qmlproperty string ValueAxis3D::labelFormat
++ *
++ * The label format to be used for the labels on this axis.
++ *
++ * The format string supports the following conversion specifiers, length
++ * modifiers, and flags provided by \c printf() in the standard C++ library:
++ * d, i, o, x, X, f, F, e, E, g, G, c.
++ *
++ * If AbstractGraph3D::locale is anything else than \c{"C"}, the supported
++ * specifiers are limited to: d, e, E, f, g, G, and i. Also, only the precision
++ * modifier is supported. The rest of the formatting comes from the default
++ * \l Locale of the application.
++ *
++ * \sa AbstractGraph3D::locale
++ */
++
++ /*!
++ * \qmlproperty ValueAxis3DFormatter ValueAxis3D::formatter
++ * \since QtDataVisualization 1.1
++ *
++ * The axis formatter to be used. Any existing formatter is deleted when a new formatter
++ * is set.
++ *
++ */
++
++ /*!
++ * \qmlproperty bool ValueAxis3D::reversed
++ * \since QtDataVisualization 1.1
++ *
++ * If \c{true}, the axis will be rendered in reverse. That is, the positions of
++ * the minimum and maximum values are swapped when the graph is rendered. This
++ * property does not affect the actual minimum and maximum values of the axis.
++ */
++
++ /*!
++ * Constructs QValue3DAxis with the given \a parent.
++ */
++ QValue3DAxis::QValue3DAxis(QObject *parent) :
++ QAbstract3DAxis(new QValue3DAxisPrivate(this), parent)
++ {
++ setFormatter(new QValue3DAxisFormatter);
++ }
++
++ /*!
++ * Destroys QValue3DAxis.
++ */
++ QValue3DAxis::~QValue3DAxis()
++ {
++ }
++
++ /*!
++ * \property QValue3DAxis::segmentCount
++ *
++ * \brief The number of segments on the axis.
++ *
++ * This indicates how many labels are drawn. The number
++ * of grid lines to be drawn is calculated with formula: \c {segments * subsegments + 1}.
++ * The preset default is \c 5. The value cannot be below \c 1.
++ *
++ * \sa setSubSegmentCount()
++ */
++ void QValue3DAxis::setSegmentCount(int count)
++ {
++ if (count <= 0) {
++ qWarning() << "Warning: Illegal segment count automatically adjusted to a legal one:"
++ << count << "-> 1";
++ count = 1;
++ }
++ if (dptr()->m_segmentCount != count) {
++ dptr()->m_segmentCount = count;
++ dptr()->emitLabelsChanged();
++ emit segmentCountChanged(count);
++ }
++ }
++
++ int QValue3DAxis::segmentCount() const
++ {
++ return dptrc()->m_segmentCount;
++ }
++
++ /*!
++ * \property QValue3DAxis::subSegmentCount
++ *
++ * \brief The number of subsegments inside each segment on the axis.
++ *
++ * Grid lines are drawn between
++ * each subsegment, in addition to each segment.
++ * The preset default is \c 1. The value cannot be below \c 1.
++ *
++ * \sa setSegmentCount()
++ */
++ void QValue3DAxis::setSubSegmentCount(int count)
++ {
++ if (count <= 0) {
++ qWarning() << "Warning: Illegal subsegment count automatically adjusted to a legal one:"
++ << count << "-> 1";
++ count = 1;
++ }
++ if (dptr()->m_subSegmentCount != count) {
++ dptr()->m_subSegmentCount = count;
++ emit subSegmentCountChanged(count);
++ }
++ }
++
++ int QValue3DAxis::subSegmentCount() const
++ {
++ return dptrc()->m_subSegmentCount;
++ }
++
++ /*!
++ * \property QValue3DAxis::labelFormat
++ *
++ * \brief The label format to be used for the labels on this axis.
++ *
++ * The format string supports the following conversion specifiers, length
++ * modifiers, and flags provided by \c printf() in the standard C++ library:
++ * d, i, o, x, X, f, F, e, E, g, G, c.
++ *
++ * If QAbstract3DGraph::locale is anything else than \c{"C"}, the supported
++ * specifiers are limited to: d, e, E, f, g, G, and i. Also, only the precision
++ * modifier is supported. The rest of the formatting comes from the default
++ * QLocale of the application.
++ *
++ * Usage example:
++ *
++ * \c {axis->setLabelFormat("%.2f mm");}
++ *
++ * \sa formatter, QAbstract3DGraph::locale
++ */
++ void QValue3DAxis::setLabelFormat(const QString &format)
++ {
++ if (dptr()->m_labelFormat != format) {
++ dptr()->m_labelFormat = format;
++ dptr()->emitLabelsChanged();
++ emit labelFormatChanged(format);
++ }
++ }
++
++ QString QValue3DAxis::labelFormat() const
++ {
++ return dptrc()->m_labelFormat;
++ }
++
++ /*!
++ * \property QValue3DAxis::formatter
++ * \since QtDataVisualization 1.1
++ *
++ * \brief The axis formatter to be used.
++ *
++ * Any existing formatter is deleted when a new formatter
++ * is set.
++ */
++ void QValue3DAxis::setFormatter(QValue3DAxisFormatter *formatter)
++ {
++ Q_ASSERT(formatter);
++
++ if (formatter != dptr()->m_formatter) {
++ delete dptr()->m_formatter;
++ dptr()->m_formatter = formatter;
++ formatter->setParent(this);
++ formatter->d_ptr->setAxis(this);
++ Abstract3DController *controller = qobject_cast<Abstract3DController *>(parent());
++ if (controller)
++ formatter->setLocale(controller->locale());
++ emit formatterChanged(formatter);
++ emit dptr()->formatterDirty();
++ }
++ }
++
++ QValue3DAxisFormatter *QValue3DAxis::formatter() const
++ {
++ return dptrc()->m_formatter;
++ }
++
++ /*!
++ * \property QValue3DAxis::reversed
++ * \since QtDataVisualization 1.1
++ *
++ * \brief Whether the axis is rendered in reverse.
++ *
++ * If \c{true}, the axis will be rendered in reverse, i.e. the positions of minimum and maximum
++ * values are swapped when the graph is rendered. This property doesn't affect the actual
++ * minimum and maximum values of the axis.
++ */
++ void QValue3DAxis::setReversed(bool enable)
++ {
++ if (dptr()->m_reversed != enable) {
++ dptr()->m_reversed = enable;
++ emit reversedChanged(enable);
++ }
++ }
++
++ bool QValue3DAxis::reversed() const
++ {
++ return dptrc()->m_reversed;
++ }
++
++ /*!
++ * \internal
++ */
++ QValue3DAxisPrivate *QValue3DAxis::dptr()
++ {
++ return static_cast<QValue3DAxisPrivate *>(d_ptr.data());
++ }
++
++ /*!
++ * \internal
++ */
++ const QValue3DAxisPrivate *QValue3DAxis::dptrc() const
++ {
++ return static_cast<const QValue3DAxisPrivate *>(d_ptr.data());
++ }
++
++ QValue3DAxisPrivate::QValue3DAxisPrivate(QValue3DAxis *q)
++ : QAbstract3DAxisPrivate(q, QAbstract3DAxis::AxisTypeValue),
++ m_segmentCount(5),
++ m_subSegmentCount(1),
++ m_labelFormat(Utils::defaultLabelFormat()),
++ m_labelsDirty(true),
++ m_formatter(0),
++ m_reversed(false)
++ {
++ }
++
++ QValue3DAxisPrivate::~QValue3DAxisPrivate()
++ {
++ }
++
++ void QValue3DAxisPrivate::setRange(float min, float max, bool suppressWarnings)
++ {
++ bool dirty = (min != m_min || max != m_max);
++
++ QAbstract3DAxisPrivate::setRange(min, max, suppressWarnings);
++
++ if (dirty)
++ emitLabelsChanged();
++ }
++
++ void QValue3DAxisPrivate::setMin(float min)
++ {
++ bool dirty = (min != m_min);
++
++ QAbstract3DAxisPrivate::setMin(min);
++
++ if (dirty)
++ emitLabelsChanged();
++ }
++
++ void QValue3DAxisPrivate::setMax(float max)
++ {
++ bool dirty = (max != m_max);
++
++ QAbstract3DAxisPrivate::setMax(max);
++
++ if (dirty)
++ emitLabelsChanged();
++ }
++
++ void QValue3DAxisPrivate::emitLabelsChanged()
++ {
++ m_labelsDirty = true;
++ emit q_ptr->labelsChanged();
++ }
++
++ void QValue3DAxisPrivate::updateLabels()
++ {
++ if (!m_labelsDirty)
++ return;
++
++ m_labelsDirty = false;
++
++ m_formatter->d_ptr->recalculate();
++
++ m_labels = m_formatter->labelStrings();
++ }
++
++ bool QValue3DAxisPrivate::allowZero()
++ {
++ return m_formatter->allowZero();
++ }
++
++ bool QValue3DAxisPrivate::allowNegatives()
++ {
++ return m_formatter->allowNegatives();
++ }
++
++ bool QValue3DAxisPrivate::allowMinMaxSame()
++ {
++ return false;
++ }
++
++ QValue3DAxis *QValue3DAxisPrivate::qptr()
++ {
++ return static_cast<QValue3DAxis *>(q_ptr);
++ }
++
++ QT_END_NAMESPACE