| 1 | /**************************************************************************** |
|---|---|
| 2 | ** |
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. |
| 4 | ** Contact: https://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the Qt Charts module of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:GPL$ |
| 9 | ** Commercial License Usage |
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in |
| 11 | ** accordance with the commercial license agreement provided with the |
| 12 | ** Software or, alternatively, in accordance with the terms contained in |
| 13 | ** a written agreement between you and The Qt Company. For licensing terms |
| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
| 15 | ** information use the contact form at https://www.qt.io/contact-us. |
| 16 | ** |
| 17 | ** GNU General Public License Usage |
| 18 | ** Alternatively, this file may be used under the terms of the GNU |
| 19 | ** General Public License version 3 or (at your option) any later version |
| 20 | ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| 21 | ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
| 22 | ** included in the packaging of this file. Please review the following |
| 23 | ** information to ensure the GNU General Public License requirements will |
| 24 | ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| 25 | ** |
| 26 | ** $QT_END_LICENSE$ |
| 27 | ** |
| 28 | ****************************************************************************/ |
| 29 | |
| 30 | #include <QtCore/QDebug> |
| 31 | #include <QtWidgets/QGraphicsSceneMouseEvent> |
| 32 | #include <QtWidgets/QGraphicsScene> |
| 33 | #include <QtCharts/QLegendMarker> |
| 34 | #include <private/qlegendmarker_p.h> |
| 35 | #include <private/legendmarkeritem_p.h> |
| 36 | #include <private/legendscroller_p.h> |
| 37 | |
| 38 | QT_CHARTS_BEGIN_NAMESPACE |
| 39 | |
| 40 | LegendScroller::LegendScroller(QChart *chart) : QLegend(chart) |
| 41 | { |
| 42 | } |
| 43 | |
| 44 | void LegendScroller::setOffset(const QPointF &point) |
| 45 | { |
| 46 | d_ptr->setOffset(point); |
| 47 | } |
| 48 | |
| 49 | QPointF LegendScroller::offset() const |
| 50 | { |
| 51 | return d_ptr->offset(); |
| 52 | } |
| 53 | |
| 54 | void LegendScroller::mousePressEvent(QGraphicsSceneMouseEvent *event) |
| 55 | { |
| 56 | Scroller::handleMousePressEvent(event); |
| 57 | } |
| 58 | |
| 59 | void LegendScroller::mouseMoveEvent(QGraphicsSceneMouseEvent *event) |
| 60 | { |
| 61 | Scroller::handleMouseMoveEvent(event); |
| 62 | } |
| 63 | |
| 64 | void LegendScroller::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) |
| 65 | { |
| 66 | Scroller::handleMouseReleaseEvent(event); |
| 67 | |
| 68 | if (!event->isAccepted()) { |
| 69 | QList<QGraphicsItem *> items = scene()->items(pos: event->scenePos()); |
| 70 | |
| 71 | foreach (QGraphicsItem *i, items) { |
| 72 | if (d_ptr->m_markerHash.contains(akey: i)) { |
| 73 | QLegendMarker *marker = d_ptr->m_markerHash.value(akey: i); |
| 74 | emit marker->clicked(); |
| 75 | } |
| 76 | } |
| 77 | event->accept(); |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | QT_CHARTS_END_NAMESPACE |
| 82 | |
| 83 | #include "moc_legendscroller_p.cpp" |
| 84 |