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 CHARTVIEW_H |
31 | #define CHARTVIEW_H |
32 | |
33 | #include <QtCharts/QChartView> |
34 | #include <QtWidgets/QRubberBand> |
35 | |
36 | QT_CHARTS_USE_NAMESPACE |
37 | |
38 | //![1] |
39 | class ChartView : public QChartView |
40 | //![1] |
41 | { |
42 | public: |
43 | ChartView(QChart *chart, QWidget *parent = 0); |
44 | |
45 | //![2] |
46 | protected: |
47 | bool viewportEvent(QEvent *event); |
48 | void mousePressEvent(QMouseEvent *event); |
49 | void mouseMoveEvent(QMouseEvent *event); |
50 | void mouseReleaseEvent(QMouseEvent *event); |
51 | void keyPressEvent(QKeyEvent *event); |
52 | //![2] |
53 | |
54 | private: |
55 | bool m_isTouching; |
56 | }; |
57 | |
58 | #endif |
59 | |