| /**************************************************************************** |
| ** |
| ** 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 <QtCore/QDebug> |
| #include <QtWidgets/QGraphicsSceneMouseEvent> |
| #include <QtWidgets/QGraphicsScene> |
| #include <QtCharts/QLegendMarker> |
| #include <private/qlegendmarker_p.h> |
| #include <private/legendmarkeritem_p.h> |
| #include <private/legendscroller_p.h> |
| |
| QT_CHARTS_BEGIN_NAMESPACE |
| |
| LegendScroller::LegendScroller(QChart *chart) : QLegend(chart) |
| { |
| } |
| |
| void LegendScroller::setOffset(const QPointF &point) |
| { |
| d_ptr->setOffset(point); |
| } |
| |
| QPointF LegendScroller::offset() const |
| { |
| return d_ptr->offset(); |
| } |
| |
| void LegendScroller::mousePressEvent(QGraphicsSceneMouseEvent *event) |
| { |
| Scroller::handleMousePressEvent(event); |
| } |
| |
| void LegendScroller::mouseMoveEvent(QGraphicsSceneMouseEvent *event) |
| { |
| Scroller::handleMouseMoveEvent(event); |
| } |
| |
| void LegendScroller::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) |
| { |
| Scroller::handleMouseReleaseEvent(event); |
| |
| if (!event->isAccepted()) { |
| QList<QGraphicsItem *> items = scene()->items(event->scenePos()); |
| |
| foreach (QGraphicsItem *i, items) { |
| if (d_ptr->m_markerHash.contains(i)) { |
| QLegendMarker *marker = d_ptr->m_markerHash.value(i); |
| emit marker->clicked(); |
| } |
| } |
| event->accept(); |
| } |
| } |
| |
| QT_CHARTS_END_NAMESPACE |
| |
| #include "moc_legendscroller_p.cpp" |