##// END OF EJS Templates
Explicitly update GLWidget when we set new points...
Explicitly update GLWidget when we set new points QOpenGLWidget was modified to not trigger some extra paint calls, which charts used to rely on, so now we do explicit updates instead. Change-Id: Ibe06c2f88ac7efe4e61351d582f2eff9d350f073 Task-number: QTBUG-51000 Reviewed-by: Tomi Korpipää <tomi.korpipaa@theqtcompany.com> Reviewed-by: Mika Salmela <mika.salmela@theqtcompany.com> Reviewed-by: Miikka Heikkinen <miikka.heikkinen@theqtcompany.com>

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r2845:ae12522d475c
r2865:672ea1cb191f
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boxwhiskers.cpp
215 lines | 6.1 KiB | text/x-c | CppLexer
/******************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Charts module.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
******************************************************************************/
#include <private/boxwhiskers_p.h>
#include <QtGui/QPainter>
#include <QtWidgets/QWidget>
#include <QtWidgets/QGraphicsSceneMouseEvent>
QT_CHARTS_BEGIN_NAMESPACE
BoxWhiskers::BoxWhiskers(QBoxSet *set, AbstractDomain *domain, QGraphicsObject *parent) :
QGraphicsObject(parent),
m_boxSet(set),
m_domain(domain),
m_mousePressed(false)
{
setAcceptHoverEvents(true);
setAcceptedMouseButtons(Qt::MouseButtonMask);
setFlag(QGraphicsObject::ItemIsSelectable);
}
BoxWhiskers::~BoxWhiskers()
{
}
void BoxWhiskers::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
Q_UNUSED(event)
emit pressed(m_boxSet);
m_mousePressed = true;
}
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::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
Q_UNUSED(event)
emit released(m_boxSet);
if (m_mousePressed)
emit clicked(m_boxSet);
}
void BoxWhiskers::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
{
Q_UNUSED(event)
// For Box a press signal needs to be explicitly fired for mouseDoubleClickEvent
emit pressed(m_boxSet);
emit doubleClicked(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