1 files changed, 194 insertions, 0 deletions
diff --git a/src/charts/boxplotchart/boxwhiskers.cpp b/src/charts/boxplotchart/boxwhiskers.cpp
new file mode 100644
index 00000000..1e78d127
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+++ b/src/charts/boxplotchart/boxwhiskers.cpp
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+/****************************************************************************
+ **
+ ** Copyright (C) 2014 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 Enterprise Charts Add-on.
+ **
+ ** $QT_BEGIN_LICENSE$
+ ** Licensees holding valid Qt Enterprise licenses may use this file in
+ ** accordance with the Qt Enterprise 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 "boxwhiskers_p.h"
+#include <QPainter>
+#include <QWidget>
+
+QT_CHARTS_BEGIN_NAMESPACE
+
+BoxWhiskers::BoxWhiskers(QBoxSet *set, AbstractDomain *domain, QGraphicsObject *parent) :
+    QGraphicsObject(parent),
+    m_boxSet(set),
+    m_domain(domain)
+{
+    setAcceptHoverEvents(true);
+    setAcceptedMouseButtons(Qt::MouseButtonMask);
+}
+
+BoxWhiskers::~BoxWhiskers()
+{
+}
+
+void BoxWhiskers::mousePressEvent(QGraphicsSceneMouseEvent *event)
+{
+    Q_UNUSED(event)
+    emit clicked(m_boxSet);
+}
+
+void BoxWhiskers::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
+{
+    Q_UNUSED(event)
+    emit hovered(true, m_boxSet);
+}
+
+void BoxWhiskers::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
+{
+    Q_UNUSED(event)
+    emit hovered(false, m_boxSet);
+}
+
+void BoxWhiskers::setBrush(const QBrush &brush)
+{
+    m_brush = brush;
+    m_outlinePen.setColor(m_brush.color());
+    update();
+}
+
+void BoxWhiskers::setPen(const QPen &pen)
+{
+    qreal widthDiff = pen.widthF() - m_pen.widthF();
+    m_boundingRect.adjust(-widthDiff, -widthDiff, widthDiff, widthDiff);
+
+    m_pen = pen;
+    m_medianPen = pen;
+    m_medianPen.setCapStyle(Qt::FlatCap);
+    m_outlinePen = pen;
+    m_outlinePen.setStyle(Qt::SolidLine);
+    m_outlinePen.setColor(m_brush.color());
+
+    update();
+}
+
+void BoxWhiskers::setBoxWidth(const qreal width)
+{
+    m_boxWidth = width;
+}
+
+void BoxWhiskers::setLayout(const BoxWhiskersData &data)
+{
+    m_data = data;
+
+    updateGeometry(m_domain);
+    update();
+}
+
+QSizeF BoxWhiskers::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
+{
+    Q_UNUSED(which)
+    Q_UNUSED(constraint)
+
+    return QSizeF();
+}
+
+void BoxWhiskers::setGeometry(const QRectF &rect)
+{
+    Q_UNUSED(rect)
+}
+
+QRectF BoxWhiskers::boundingRect() const
+{
+    return m_boundingRect;
+}
+
+void BoxWhiskers::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
+{
+    Q_UNUSED(option)
+    Q_UNUSED(widget)
+
+    painter->save();
+    painter->setBrush(m_brush);
+    painter->setClipRect(parentItem()->boundingRect());
+    painter->setPen(m_pen);
+    painter->drawPath(m_boxPath);
+    if (!m_boxOutlined)
+        painter->setPen(m_outlinePen);
+    painter->drawRect(m_middleBox);
+    painter->setPen(m_medianPen);
+    qreal halfLine = m_pen.widthF() / 2.0;
+    painter->drawLine(QLineF(m_geometryLeft - halfLine, m_geometryMedian,
+                             m_geometryRight + halfLine, m_geometryMedian));
+    painter->restore();
+}
+
+void BoxWhiskers::updateGeometry(AbstractDomain *domain)
+{
+    m_domain = domain;
+
+    prepareGeometryChange();
+
+    QPainterPath path;
+    m_boxPath = path;
+    m_boundingRect = m_boxPath.boundingRect();
+
+    qreal columnWidth = 1.0 / m_data.m_seriesCount;
+    qreal left = ((1.0 - m_boxWidth) / 2.0) * columnWidth + columnWidth * m_data.m_seriesIndex + m_data.m_index - 0.5;
+    qreal barWidth = m_boxWidth * columnWidth;
+
+    QPointF geometryPoint = m_domain->calculateGeometryPoint(QPointF(left, m_data.m_upperExtreme), m_validData);
+    if (!m_validData)
+        return;
+    m_geometryLeft = geometryPoint.x();
+    qreal geometryUpperExtreme = geometryPoint.y();
+    geometryPoint = m_domain->calculateGeometryPoint(QPointF(left + barWidth, m_data.m_upperQuartile), m_validData);
+    if (!m_validData)
+        return;
+    m_geometryRight = geometryPoint.x();
+    qreal geometryUpperQuartile = geometryPoint.y();
+    geometryPoint = m_domain->calculateGeometryPoint(QPointF(left, m_data.m_lowerQuartile), m_validData);
+    if (!m_validData)
+        return;
+    qreal geometryLowerQuartile = geometryPoint.y();
+    geometryPoint = m_domain->calculateGeometryPoint(QPointF(left, m_data.m_lowerExtreme), m_validData);
+    if (!m_validData)
+        return;
+    qreal geometryLowerExtreme = geometryPoint.y();
+    geometryPoint = m_domain->calculateGeometryPoint(QPointF(left, m_data.m_median), m_validData);
+    if (!m_validData)
+        return;
+    m_geometryMedian = geometryPoint.y();
+
+    // Upper whisker
+    path.moveTo(m_geometryLeft, geometryUpperExtreme);
+    path.lineTo(m_geometryRight, geometryUpperExtreme);
+    path.moveTo((m_geometryLeft + m_geometryRight) / 2.0, geometryUpperExtreme);
+    path.lineTo((m_geometryLeft + m_geometryRight) / 2.0, geometryUpperQuartile);
+
+    // Middle Box
+    m_middleBox.setCoords(m_geometryLeft, geometryUpperQuartile, m_geometryRight, geometryLowerQuartile);
+
+    // Lower whisker
+    path.moveTo(m_geometryLeft, geometryLowerExtreme);
+    path.lineTo(m_geometryRight, geometryLowerExtreme);
+    path.moveTo((m_geometryLeft + m_geometryRight) / 2.0, geometryLowerQuartile);
+    path.lineTo((m_geometryLeft + m_geometryRight) / 2.0, geometryLowerExtreme);
+
+    path.closeSubpath();
+
+    m_boxPath = path;
+    m_boundingRect = m_boxPath.boundingRect();
+
+    qreal extra = m_pen.widthF();
+    m_boundingRect.adjust(-extra, -extra, extra, extra);
+}
+
+#include "moc_boxwhiskers_p.cpp"
+
+QT_CHARTS_END_NAMESPACE