| /**************************************************************************** |
| ** |
| ** 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, QGraphicsItem *parent) : QGraphicsRectItem(parent), |
| m_index(-255), |
| m_layoutIndex(-255), |
| m_barset(barset), |
| m_labelItem(nullptr), |
| m_hovering(false), |
| m_mousePressed(false), |
| m_visualsDirty(true), |
| m_labelDirty(true) |
| { |
| 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); |
| delete m_labelItem; |
| } |
| |
| 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); |
| } |
| |
| QT_CHARTS_END_NAMESPACE |
| |
| #include "moc_bar_p.cpp" |