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 | // W A R N I N G |
31 | // ------------- |
32 | // |
33 | // This file is not part of the Qt Chart API. It exists purely as an |
34 | // implementation detail. This header file may change from version to |
35 | // version without notice, or even be removed. |
36 | // |
37 | // We mean it. |
38 | |
39 | |
40 | #ifndef PERCENTBARCHARTITEM_H |
41 | #define PERCENTBARCHARTITEM_H |
42 | |
43 | #include <private/abstractbarchartitem_p.h> |
44 | #include <QtWidgets/QGraphicsItem> |
45 | #include <QtCharts/private/qchartglobal_p.h> |
46 | |
47 | QT_CHARTS_BEGIN_NAMESPACE |
48 | |
49 | class QAbstractBarSeries; |
50 | |
51 | class Q_CHARTS_PRIVATE_EXPORT PercentBarChartItem : public AbstractBarChartItem |
52 | { |
53 | Q_OBJECT |
54 | public: |
55 | PercentBarChartItem(QAbstractBarSeries *series, QGraphicsItem* item = 0); |
56 | QString generateLabelText(int set, int category, qreal value); |
57 | |
58 | private Q_SLOTS: |
59 | void handleLabelsPositionChanged(); |
60 | void positionLabels(); |
61 | |
62 | private: |
63 | virtual QVector<QRectF> calculateLayout(); |
64 | void initializeLayout(int set, int category, int layoutIndex, bool resetAnimation); |
65 | void markLabelsDirty(QBarSet *barset, int index, int count); |
66 | QPointF topLeftPoint(int category, qreal barWidth, qreal value); |
67 | QPointF bottomRightPoint(int category, qreal barWidth, qreal value); |
68 | }; |
69 | |
70 | QT_CHARTS_END_NAMESPACE |
71 | |
72 | #endif // PERCENTBARCHARTITEM_H |
73 | |