qvaluesaxis.cpp
290 lines
| 6.1 KiB
| text/x-c
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CppLexer
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r1540 | /**************************************************************************** | ||
** | ||||
** Copyright (C) 2012 Digia Plc | ||||
** All rights reserved. | ||||
** For any questions to Digia, please use contact form at http://qt.digia.com | ||||
** | ||||
** This file is part of the Qt Commercial Charts Add-on. | ||||
** | ||||
** $QT_BEGIN_LICENSE$ | ||||
** Licensees holding valid Qt Commercial licenses may use this file in | ||||
** accordance with the Qt Commercial License Agreement provided with the | ||||
** Software or, alternatively, in accordance with the terms contained in | ||||
** a written agreement between you and Digia. | ||||
** | ||||
** If you have questions regarding the use of this file, please use | ||||
** contact form at http://qt.digia.com | ||||
** $QT_END_LICENSE$ | ||||
** | ||||
****************************************************************************/ | ||||
#include "qvaluesaxis.h" | ||||
#include "qvaluesaxis_p.h" | ||||
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r1561 | #include "chartvaluesaxisx_p.h" | ||
#include "chartvaluesaxisy_p.h" | ||||
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r1556 | #include <QDebug> | ||
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r1540 | |||
QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
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r1547 | /*! | ||
\class QValuesAxis | ||||
\brief The QValuesAxis class is used for manipulating chart's axis. | ||||
\mainclass | ||||
Axis can be setup to show axis line with tick marks, grid lines and shades. | ||||
*/ | ||||
/*! | ||||
\qmlclass Axis QValuesAxis | ||||
\brief The Axis element is used for manipulating chart's axes | ||||
Axis can be setup to show axis line with tick marks, grid lines and shades. | ||||
To access Axes you can use ChartView API. For example: | ||||
\code | ||||
ChartView { | ||||
axisX.min: 0 | ||||
axisX.max: 3 | ||||
axisX.ticksCount: 4 | ||||
axisY.min: 0 | ||||
axisY.max: 4 | ||||
// Add a few series... | ||||
} | ||||
\endcode | ||||
*/ | ||||
/*! | ||||
\property QValuesAxis::min | ||||
Defines the minimum value on the axis. | ||||
*/ | ||||
/*! | ||||
\qmlproperty real Axis::min | ||||
Defines the minimum value on the axis. | ||||
*/ | ||||
/*! | ||||
\property QValuesAxis::max | ||||
Defines the maximum value on the axis. | ||||
*/ | ||||
/*! | ||||
\qmlproperty real Axis::max | ||||
Defines the maximum value on the axis. | ||||
*/ | ||||
/*! | ||||
\fn void QValuesAxis::minChanged(qreal min) | ||||
Axis emits signal when \a min of axis has changed. | ||||
*/ | ||||
/*! | ||||
\fn void QValuesAxis::maxChanged(qreal max) | ||||
Axis emits signal when \a max of axis has changed. | ||||
*/ | ||||
/*! | ||||
\fn void QValuesAxis::rangeChanged(qreal min, qreal max) | ||||
Axis emits signal when \a min or \a max of axis has changed. | ||||
*/ | ||||
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r1540 | |||
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r1575 | /*! | ||
\property QValuesAxis::ticksCount | ||||
The number of tick marks for the axis. | ||||
*/ | ||||
/*! | ||||
\qmlproperty int Axis::ticksCount | ||||
The number of tick marks for the axis. | ||||
*/ | ||||
/*! | ||||
\property QValuesAxis::niceNumbersEnabled | ||||
Whether the nice numbers algorithm is enabled or not for the axis. | ||||
*/ | ||||
/*! | ||||
\qmlproperty bool Axis::niceNumbersEnabled | ||||
Whether the nice numbers algorithm is enabled or not for the axis. | ||||
*/ | ||||
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r1540 | QValuesAxis::QValuesAxis(QObject *parent) : | ||
QAbstractAxis(*new QValuesAxisPrivate(this),parent) | ||||
{ | ||||
} | ||||
QValuesAxis::QValuesAxis(QValuesAxisPrivate &d,QObject *parent) : QAbstractAxis(d,parent) | ||||
{ | ||||
} | ||||
QValuesAxis::~QValuesAxis() | ||||
{ | ||||
} | ||||
void QValuesAxis::setMin(qreal min) | ||||
{ | ||||
Q_D(QValuesAxis); | ||||
setRange(min,d->m_max); | ||||
} | ||||
qreal QValuesAxis::min() const | ||||
{ | ||||
Q_D(const QValuesAxis); | ||||
return d->m_min; | ||||
} | ||||
void QValuesAxis::setMax(qreal max) | ||||
{ | ||||
Q_D(QValuesAxis); | ||||
setRange(d->m_min,max); | ||||
} | ||||
qreal QValuesAxis::max() const | ||||
{ | ||||
Q_D(const QValuesAxis); | ||||
return d->m_max; | ||||
} | ||||
/*! | ||||
Sets range from \a min to \a max on the axis. | ||||
*/ | ||||
void QValuesAxis::setRange(qreal min, qreal max) | ||||
{ | ||||
Q_D(QValuesAxis); | ||||
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r1578 | bool changed = false; | ||
if (!qFuzzyIsNull(d->m_min - min)) { | ||||
d->m_min = min; | ||||
changed = true; | ||||
emit minChanged(min); | ||||
} | ||||
if (!qFuzzyIsNull(d->m_max - max)) { | ||||
d->m_max = max; | ||||
changed = true; | ||||
emit maxChanged(max); | ||||
} | ||||
if (changed) { | ||||
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r1611 | d->emitRange(); | ||
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r1593 | emit rangeChanged(d->m_min,d->m_max); | ||
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r1578 | } | ||
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r1540 | } | ||
/*! | ||||
Sets \a count for ticks on the axis. | ||||
*/ | ||||
void QValuesAxis::setTicksCount(int count) | ||||
{ | ||||
Q_D(QValuesAxis); | ||||
if (d->m_ticksCount != count) { | ||||
d->m_ticksCount = count; | ||||
emit d->changed(d->m_min, d->m_max, d->m_ticksCount, d->m_niceNumbers); | ||||
} | ||||
} | ||||
/*! | ||||
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r1575 | \fn int QValuesAxis::ticksCount() const | ||
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r1540 | Return number of ticks on the axis | ||
*/ | ||||
int QValuesAxis::ticksCount() const | ||||
{ | ||||
Q_D(const QValuesAxis); | ||||
return d->m_ticksCount; | ||||
} | ||||
void QValuesAxis::setNiceNumbersEnabled(bool enable) | ||||
{ | ||||
Q_D(QValuesAxis); | ||||
if (d->m_niceNumbers != enable){ | ||||
d->m_niceNumbers = enable; | ||||
emit d->changed(d->m_min, d->m_max, d->m_ticksCount, d->m_niceNumbers); | ||||
} | ||||
} | ||||
bool QValuesAxis::niceNumbersEnabled() const | ||||
{ | ||||
Q_D(const QValuesAxis); | ||||
return d->m_niceNumbers; | ||||
} | ||||
QAbstractAxis::AxisType QValuesAxis::type() const | ||||
{ | ||||
return AxisTypeValues; | ||||
} | ||||
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||||
QValuesAxisPrivate::QValuesAxisPrivate(QValuesAxis* q): | ||||
QAbstractAxisPrivate(q), | ||||
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r1566 | m_niceNumbers(false) | ||
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r1540 | { | ||
} | ||||
QValuesAxisPrivate::~QValuesAxisPrivate() | ||||
{ | ||||
} | ||||
void QValuesAxisPrivate::handleAxisRangeChanged(qreal min, qreal max,int count) | ||||
{ | ||||
Q_Q(QValuesAxis); | ||||
q->setRange(min,max); | ||||
q->setTicksCount(count); | ||||
} | ||||
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r1544 | |||
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r1578 | void QValuesAxisPrivate::setMin(const QVariant &min) | ||
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r1544 | { | ||
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r1578 | Q_Q(QValuesAxis); | ||
bool ok; | ||||
qreal value = min.toReal(&ok); | ||||
if(ok) q->setMin(value); | ||||
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r1544 | } | ||
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r1578 | void QValuesAxisPrivate::setMax(const QVariant &max) | ||
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r1544 | { | ||
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r1578 | Q_Q(QValuesAxis); | ||
bool ok; | ||||
qreal value = max.toReal(&ok); | ||||
if(ok) q->setMax(value); | ||||
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r1544 | } | ||
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r1611 | void QValuesAxisPrivate::setRange(const QVariant &min, const QVariant &max) | ||
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r1544 | { | ||
Q_Q(QValuesAxis); | ||||
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r1578 | bool ok1; | ||
bool ok2; | ||||
qreal value1 = min.toReal(&ok1); | ||||
qreal value2 = max.toReal(&ok2); | ||||
if(ok1&&ok2) q->setRange(value1,value2); | ||||
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r1544 | } | ||
int QValuesAxisPrivate::ticksCount() const | ||||
{ | ||||
return m_ticksCount; | ||||
} | ||||
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r1556 | ChartAxis* QValuesAxisPrivate::createGraphics(ChartPresenter* presenter) | ||
{ | ||||
Q_Q(QValuesAxis); | ||||
if(m_orientation == Qt::Vertical){ | ||||
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r1561 | return new ChartValuesAxisY(q,presenter); | ||
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r1556 | }else{ | ||
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r1561 | return new ChartValuesAxisX(q,presenter); | ||
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r1556 | } | ||
} | ||||
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r1611 | void QValuesAxisPrivate::emitRange() | ||
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r1574 | { | ||
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r1611 | Q_Q(QValuesAxis); | ||
if(!q->signalsBlocked()) { | ||||
emit changed(m_min, m_max, m_ticksCount, m_niceNumbers); | ||||
} | ||||
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r1574 | } | ||
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r1540 | #include "moc_qvaluesaxis.cpp" | ||
#include "moc_qvaluesaxis_p.cpp" | ||||
QTCOMMERCIALCHART_END_NAMESPACE | ||||