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