##// END OF EJS Templates
Added HTML support for various text items...
Added HTML support for various text items - HTML tags can now be used in chart titles, legends, and labels - '\n' does no longer cause line break in multi-line text items. HTML tag <br/> can be used for line break now. - Setting pen for axis titles and labels is deprecated - When setting brush for titles and labels, only the color is relevant - Logic for identifying label format specifiers was improved, so adding additional information to labels via label format string is now more viable. Task-number: QTRD-1912 Change-Id: I8fa56df56fd656e2a3e427eff4abf3481435eec7 Reviewed-by: Mika Salmela <mika.salmela@digia.com>

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chartvalueaxisx.cpp
128 lines | 4.0 KiB | text/x-c | CppLexer
/ src / axis / valueaxis / chartvalueaxisx.cpp
Marek Rosa
Added Chart classes for value and categories axis
r1555 /****************************************************************************
**
Miikka Heikkinen
Fixed the copyright year 2012 -> 2013
r2432 ** Copyright (C) 2013 Digia Plc
Marek Rosa
Added Chart classes for value and categories axis
r1555 ** 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
** $QT_END_LICENSE$
**
****************************************************************************/
Marek Rosa
renamed QValueAxis related files
r1805 #include "chartvalueaxisx_p.h"
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r1555 #include "qabstractaxis.h"
#include "chartpresenter_p.h"
Marek Rosa
renamed QValueAxis related files
r1805 #include "qvalueaxis.h"
Miikka Heikkinen
Add Polar chart support...
r2483 #include "abstractchartlayout_p.h"
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r1555 #include <QGraphicsLayout>
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Refactor animator...
r1735 #include <qmath.h>
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Refactors internals...
r2273 #include <QDebug>
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r1555
Michal Klocek
Resubmit commit 394f63738c11558ae410383fbf2403f57fca4bf8 due to too many merge confilcts
r2106
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r1555 QTCOMMERCIALCHART_BEGIN_NAMESPACE
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r2483 ChartValueAxisX::ChartValueAxisX(QValueAxis *axis, QGraphicsItem *item )
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Refactors internals...
r2273 : HorizontalAxis(axis, item),
m_axis(axis)
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r1555 {
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r2483 QObject::connect(m_axis, SIGNAL(tickCountChanged(int)), this, SLOT(handleTickCountChanged(int)));
QObject::connect(m_axis, SIGNAL(labelFormatChanged(QString)), this, SLOT(handleLabelFormatChanged(QString)));
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r1555 }
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renamed QValueAxis related files
r1805 ChartValueAxisX::~ChartValueAxisX()
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r1555 {
}
Marek Rosa
renamed QValueAxis related files
r1805 QVector<qreal> ChartValueAxisX::calculateLayout() const
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r1555 {
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Refactors internals...
r2273 int tickCount = m_axis->tickCount();
Q_ASSERT(tickCount >= 2);
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r1555
QVector<qreal> points;
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Refactors internals...
r2273 points.resize(tickCount);
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Added Chart classes for value and categories axis
r1555
Jani Honkonen
src folder: another massive victory for coding style police
r2131 const QRectF &gridRect = gridGeometry();
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Fix int-qreal rounding errors in axislayout calculations...
r2447 const qreal deltaX = gridRect.width() / (qreal(tickCount) - 1.0);
for (int i = 0; i < tickCount; ++i)
points[i] = qreal(i) * deltaX + gridRect.left();
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r1555 return points;
}
Marek Rosa
renamed QValueAxis related files
r1805 void ChartValueAxisX::updateGeometry()
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r1555 {
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r2483 const QVector<qreal>& layout = ChartAxisElement::layout();
Jani Honkonen
src folder: another massive victory for coding style police
r2131 if (layout.isEmpty())
return;
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r2483 setLabels(createValueLabels(min(), max(), layout.size(), m_axis->labelFormat()));
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Refactors axis updateGeometry handling...
r2111 HorizontalAxis::updateGeometry();
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r1555 }
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Refactors internals...
r2273 void ChartValueAxisX::handleTickCountChanged(int tick)
Michal Klocek
Refactors Domain and Axis...
r1698 {
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Refactors internals...
r2273 Q_UNUSED(tick);
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Fixes missing layout updated on ticks,base and format calls
r2333 QGraphicsLayoutItem::updateGeometry();
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Refactors internals...
r2273 if(presenter()) presenter()->layout()->invalidate();
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Refactors Domain and Axis...
r1698 }
Marek Rosa
Fixed: axis not redrawing when labelFormat changed
r2323 void ChartValueAxisX::handleLabelFormatChanged(const QString &format)
{
Q_UNUSED(format);
Michal Klocek
Fixes missing layout updated on ticks,base and format calls
r2333 QGraphicsLayoutItem::updateGeometry();
Marek Rosa
Fixed: axis not redrawing when labelFormat changed
r2323 if(presenter()) presenter()->layout()->invalidate();
}
Jani Honkonen
src folder: another massive victory for coding style police
r2131 QSizeF ChartValueAxisX::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
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Refactors layout...
r1965 {
Q_UNUSED(constraint)
QSizeF sh;
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Refactors ChartAxis...
r2138 QSizeF base = HorizontalAxis::sizeHint(which, constraint);
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Refactors internals...
r2273 QStringList ticksList = createValueLabels(min(),max(),m_axis->tickCount(),m_axis->labelFormat());
Miikka Heikkinen
Fix vanishing labels for first and last ticks....
r2443 // Width of horizontal axis sizeHint indicates the maximum distance labels can extend past
// first and last ticks. Base width is irrelevant.
Jani Honkonen
src folder: another massive victory for coding style police
r2131 qreal width = 0;
qreal height = 0;
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Refactors layout...
r1965
Marek Rosa
Multiaxis support...
r2093 switch (which) {
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test better layout calcuation
r2353 case Qt::MinimumSize: {
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r2539 QRectF boundingRect = ChartPresenter::textBoundingRect(axis()->labelsFont(), "...", axis()->labelsAngle());
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r2443 width = boundingRect.width() / 2.0;
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r2534 height = boundingRect.height() + labelPadding() + base.height() + 1.0;
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r2412 sh = QSizeF(width, height);
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r2353 break;
}
case Qt::PreferredSize: {
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r2534 qreal labelHeight = 0.0;
qreal firstWidth = -1.0;
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r2412 foreach (const QString& s, ticksList) {
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r2539 QRectF rect = ChartPresenter::textBoundingRect(axis()->labelsFont(), s, axis()->labelsAngle());
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r2412 labelHeight = qMax(rect.height(), labelHeight);
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r2443 width = rect.width();
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r2534 if (firstWidth < 0.0)
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r2443 firstWidth = width;
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test better layout calcuation
r2353 }
Miikka Heikkinen
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r2534 height = labelHeight + labelPadding() + base.height() + 1.0;
width = qMax(width, firstWidth) / 2.0;
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r2412 sh = QSizeF(width, height);
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test better layout calcuation
r2353 break;
}
default:
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Fix axis sizehints when labels are angled...
r2412 break;
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Multiaxis support...
r2093 }
return sh;
Michal Klocek
Refactors layout...
r1965 }
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Refactors internals...
r2273 #include "moc_chartvalueaxisx_p.cpp"
Marek Rosa
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r1555 QTCOMMERCIALCHART_END_NAMESPACE