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 | #ifndef BAR_H |
40 | #define BAR_H |
41 | |
42 | #include <QtCharts/QChartGlobal> |
43 | #include <QtCharts/private/qchartglobal_p.h> |
44 | #include <QtWidgets/QGraphicsRectItem> |
45 | #include <QtWidgets/QGraphicsTextItem> |
46 | |
47 | QT_CHARTS_BEGIN_NAMESPACE |
48 | |
49 | class QBarSet; |
50 | |
51 | // Single visual bar item of chart |
52 | class Q_CHARTS_PRIVATE_EXPORT Bar : public QObject, public QGraphicsRectItem |
53 | { |
54 | Q_OBJECT |
55 | public: |
56 | Bar(QBarSet *barset, QGraphicsItem *parent = 0); |
57 | ~Bar(); |
58 | |
59 | public: |
60 | void mousePressEvent(QGraphicsSceneMouseEvent *event); |
61 | void hoverEnterEvent(QGraphicsSceneHoverEvent *event); |
62 | void hoverLeaveEvent(QGraphicsSceneHoverEvent *event); |
63 | void mouseReleaseEvent(QGraphicsSceneMouseEvent *event); |
64 | void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event); |
65 | |
66 | void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0); |
67 | void setVisualsDirty(bool dirty) { m_visualsDirty = dirty; } |
68 | bool visualsDirty() const { return m_visualsDirty; } |
69 | void setLabelDirty(bool dirty) { m_labelDirty = dirty; } |
70 | bool labelDirty() const { return m_labelDirty; } |
71 | |
72 | void setLabelItem(QGraphicsTextItem *labelItem) { m_labelItem = labelItem; } |
73 | QGraphicsTextItem *labelItem() const { return m_labelItem; } |
74 | |
75 | void setIndex(int index) { m_index = index; } |
76 | int index() const { return m_index; } |
77 | void setLayoutIndex(int index) { m_layoutIndex = index; } |
78 | int layoutIndex() const { return m_layoutIndex; } |
79 | |
80 | Q_SIGNALS: |
81 | void clicked(int index, QBarSet *barset); |
82 | void hovered(bool status, int index, QBarSet *barset); |
83 | void pressed(int index, QBarSet *barset); |
84 | void released(int index, QBarSet *barset); |
85 | void doubleClicked(int index, QBarSet *barset); |
86 | |
87 | private: |
88 | int m_index; |
89 | int m_layoutIndex; |
90 | QBarSet *m_barset; |
91 | QGraphicsTextItem *m_labelItem; |
92 | bool m_hovering; |
93 | bool m_mousePressed; |
94 | bool m_visualsDirty; |
95 | bool m_labelDirty; |
96 | }; |
97 | |
98 | QT_CHARTS_END_NAMESPACE |
99 | |
100 | #endif // BAR_H |
101 | |