##// END OF EJS Templates
Add support for showing tooltips when the legend text is truncated...
Add support for showing tooltips when the legend text is truncated Change-Id: Ie0b90489eb51633a0294db12410f9056f740d086 Reviewed-by: Miikka Heikkinen <miikka.heikkinen@theqtcompany.com>

File last commit:

r2854:46147b040d06
r2864:47032ec192b3
Show More
bar.cpp
103 lines | 3.2 KiB | text/x-c | CppLexer
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Charts module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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_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_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