| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
| 3 | |
| 4 | // W A R N I N G |
| 5 | // ------------- |
| 6 | // |
| 7 | // This file is not part of the Qt Chart API. It exists purely as an |
| 8 | // implementation detail. This header file may change from version to |
| 9 | // version without notice, or even be removed. |
| 10 | // |
| 11 | // We mean it. |
| 12 | |
| 13 | #ifndef BAR_H |
| 14 | #define BAR_H |
| 15 | |
| 16 | #include <QtCharts/QChartGlobal> |
| 17 | #include <QtCharts/private/qchartglobal_p.h> |
| 18 | #include <QtWidgets/QGraphicsRectItem> |
| 19 | #include <QtWidgets/QGraphicsTextItem> |
| 20 | |
| 21 | QT_BEGIN_NAMESPACE |
| 22 | |
| 23 | class QBarSet; |
| 24 | |
| 25 | // Single visual bar item of chart |
| 26 | class Q_CHARTS_EXPORT Bar : public QObject, public QGraphicsRectItem |
| 27 | { |
| 28 | Q_OBJECT |
| 29 | public: |
| 30 | Bar(QBarSet *barset, QGraphicsItem *parent = 0); |
| 31 | ~Bar(); |
| 32 | |
| 33 | public: |
| 34 | void mousePressEvent(QGraphicsSceneMouseEvent *event) override; |
| 35 | void hoverEnterEvent(QGraphicsSceneHoverEvent *event) override; |
| 36 | void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) override; |
| 37 | void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override; |
| 38 | void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) override; |
| 39 | |
| 40 | void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0) override; |
| 41 | void setVisualsDirty(bool dirty) { m_visualsDirty = dirty; } |
| 42 | bool visualsDirty() const { return m_visualsDirty; } |
| 43 | void setLabelDirty(bool dirty) { m_labelDirty = dirty; } |
| 44 | bool labelDirty() const { return m_labelDirty; } |
| 45 | |
| 46 | void setLabelItem(QGraphicsTextItem *labelItem) { m_labelItem = labelItem; } |
| 47 | QGraphicsTextItem *labelItem() const { return m_labelItem; } |
| 48 | |
| 49 | void setIndex(int index) { m_index = index; } |
| 50 | int index() const { return m_index; } |
| 51 | void setLayoutIndex(int index) { m_layoutIndex = index; } |
| 52 | int layoutIndex() const { return m_layoutIndex; } |
| 53 | |
| 54 | Q_SIGNALS: |
| 55 | void clicked(int index, QBarSet *barset); |
| 56 | void hovered(bool status, int index, QBarSet *barset); |
| 57 | void pressed(int index, QBarSet *barset); |
| 58 | void released(int index, QBarSet *barset); |
| 59 | void doubleClicked(int index, QBarSet *barset); |
| 60 | |
| 61 | private: |
| 62 | int m_index; |
| 63 | int m_layoutIndex; |
| 64 | QBarSet *m_barset; |
| 65 | QGraphicsTextItem *m_labelItem; |
| 66 | bool m_hovering; |
| 67 | bool m_mousePressed; |
| 68 | bool m_visualsDirty; |
| 69 | bool m_labelDirty; |
| 70 | }; |
| 71 | |
| 72 | QT_END_NAMESPACE |
| 73 | |
| 74 | #endif // BAR_H |
| 75 | |