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/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.io
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**
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** This file is part of the Qt Charts module.
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**
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** Licensees holding valid commercial license for Qt may use this file in
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** accordance with the Qt License Agreement provided with the Software
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** or, alternatively, in accordance with the terms contained in a written
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** agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.io
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**
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****************************************************************************/
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#include <private/bar_p.h>
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#include <QtGui/QPainter>
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#include <QtWidgets/QGraphicsSceneEvent>
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#include <QtWidgets/QStyleOptionGraphicsItem>
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#include <QtWidgets/QStyle>
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QT_CHARTS_BEGIN_NAMESPACE
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Bar::Bar(QBarSet *barset, int index, QGraphicsItem *parent) : QGraphicsRectItem(parent),
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m_index(index),
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m_barset(barset),
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m_hovering(false),
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m_mousePressed(false)
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{
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setAcceptedMouseButtons(Qt::LeftButton | Qt::RightButton);
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setAcceptHoverEvents(true);
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setFlag(QGraphicsItem::ItemIsSelectable);
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}
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Bar::~Bar()
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{
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// End hover event, if bar is deleted during it
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if (m_hovering)
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emit hovered(false, m_index, m_barset);
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}
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void Bar::mousePressEvent(QGraphicsSceneMouseEvent *event)
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{
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emit pressed(m_index, m_barset);
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m_mousePressed = true;
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QGraphicsItem::mousePressEvent(event);
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}
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void Bar::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
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{
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Q_UNUSED(event)
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m_hovering = true;
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emit hovered(true, m_index, m_barset);
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}
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void Bar::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
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{
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Q_UNUSED(event)
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m_hovering = false;
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emit hovered(false, m_index, m_barset);
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}
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void Bar::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
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{
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emit released(m_index, m_barset);
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if (m_mousePressed)
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emit clicked(m_index, m_barset);
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m_mousePressed = false;
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QGraphicsItem::mouseReleaseEvent(event);
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}
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void Bar::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
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{
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emit doubleClicked(m_index, m_barset);
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QGraphicsItem::mouseDoubleClickEvent(event);
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}
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void Bar::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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// Remove selection border around bar
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QStyleOptionGraphicsItem barOption(*option);
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barOption.state &= ~QStyle::State_Selected;
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QGraphicsRectItem::paint(painter, &barOption, widget);
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}
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#include "moc_bar_p.cpp"
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QT_CHARTS_END_NAMESPACE
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