comparison: src/callout.h
src/callout.h
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- a730825bc5e4
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| 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 #ifndef CALLOUT_H | |
| 31 #define CALLOUT_H | |
| 32 | |
| 33 #include <QtCharts/QChartGlobal> | |
| 34 #include <QtWidgets/QGraphicsItem> | |
| 35 #include <QtGui/QFont> | |
| 36 | |
| 37 QT_BEGIN_NAMESPACE | |
| 38 class QGraphicsSceneMouseEvent; | |
| 39 QT_END_NAMESPACE | |
| 40 | |
| 41 QT_CHARTS_BEGIN_NAMESPACE | |
| 42 class QChart; | |
| 43 class QAbstractSeries; | |
| 44 QT_CHARTS_END_NAMESPACE | |
| 45 | |
| 46 QT_CHARTS_USE_NAMESPACE | |
| 47 | |
| 48 class Callout : public QGraphicsItem | |
| 49 { | |
| 50 public: | |
| 51 Callout(QChart *parent, QAbstractSeries *series); | |
| 52 | |
| 53 void setText(const QString &text); | |
| 54 void setAnchor(QPointF point); | |
| 55 void updateGeometry(); | |
| 56 | |
| 57 QRectF boundingRect() const; | |
| 58 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,QWidget *widget); | |
| 59 void setSeries(QAbstractSeries *series); | |
| 60 | |
| 61 protected: | |
| 62 void mousePressEvent(QGraphicsSceneMouseEvent *event); | |
| 63 void mouseMoveEvent(QGraphicsSceneMouseEvent *event); | |
| 64 | |
| 65 private: | |
| 66 QString m_text; | |
| 67 QRectF m_textRect; | |
| 68 QRectF m_rect; | |
| 69 QPointF m_anchor; | |
| 70 QFont m_font; | |
| 71 QChart *m_chart; | |
| 72 QAbstractSeries *m_series; | |
| 73 }; | |
| 74 | |
| 75 #endif // CALLOUT_H | |
| 76 |
