bar.cpp
103 lines
| 3.2 KiB
| text/x-c
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CppLexer
winter
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r0 | /**************************************************************************** | ||
** | ||||
** 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 | ||||