chartbackground.cpp

Enable keyboard shortcuts

// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#include <private/chartbackground_p.h>

#include <private/chartconfig_p.h>

#include <QtGui/QPen>

#include <QtGui/QBrush>

#include <QtGui/QPainter>

#include <QGraphicsDropShadowEffect>

QT_BEGIN_NAMESPACE

ChartBackground::ChartBackground(QGraphicsItem *parent)

    : QGraphicsRectItem(parent),

      m_diameter(5),

      m_dropShadow(0)

    setAcceptedMouseButtons({});

ChartBackground::~ChartBackground()

void ChartBackground::setDropShadowEnabled(bool enabled)

#ifdef QT_NO_GRAPHICSEFFECT

    Q_UNUSED(enabled);

#else

    if (enabled) {

        if (!m_dropShadow) {

            m_dropShadow = new QGraphicsDropShadowEffect();

#ifdef Q_OS_MAC

            m_dropShadow->setBlurRadius(15);

            m_dropShadow->setOffset(0, 0);

#elif defined(Q_OS_WIN)

            m_dropShadow->setBlurRadius(10);

            m_dropShadow->setOffset(0, 0);

#else

            m_dropShadow->setBlurRadius(10);

            m_dropShadow->setOffset(5, 5);

#endif

            setGraphicsEffect(m_dropShadow);

    } else {

        delete m_dropShadow;

        m_dropShadow = 0;

#endif

void ChartBackground::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)

    Q_UNUSED(option);

    Q_UNUSED(widget);

    painter->save();

    painter->setPen(pen());

    painter->setBrush(brush());

    painter->drawRoundedRect(rect(), m_diameter, m_diameter);

    painter->restore();

qreal ChartBackground::diameter() const

    return m_diameter;

void ChartBackground::setDiameter(qreal diameter)

    m_diameter = diameter;

    update();

QT_END_NAMESPACE