| 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 LINEARROWITEM_P_H |
| 14 | #define LINEARROWITEM_P_H |
| 15 | |
| 16 | #include <private/chartaxiselement_p.h> |
| 17 | #include <private/qabstractaxis_p.h> |
| 18 | #include <QtWidgets/QGraphicsLineItem> |
| 19 | #include <QtCharts/private/qchartglobal_p.h> |
| 20 | |
| 21 | QT_BEGIN_NAMESPACE |
| 22 | |
| 23 | class Q_CHARTS_EXPORT LineArrowItem: public QGraphicsLineItem |
| 24 | { |
| 25 | public: |
| 26 | explicit LineArrowItem(ChartAxisElement *axis, QGraphicsItem *parent = 0) |
| 27 | : QGraphicsLineItem(parent), |
| 28 | m_axis(axis), |
| 29 | m_axisOrientation(axis->axis()->orientation()) |
| 30 | { |
| 31 | } |
| 32 | |
| 33 | protected: |
| 34 | void mousePressEvent(QGraphicsSceneMouseEvent *event) override |
| 35 | { |
| 36 | m_axis->axisSelected(); |
| 37 | QGraphicsLineItem::mousePressEvent(event); |
| 38 | } |
| 39 | |
| 40 | QRectF boundingRect() const override |
| 41 | { |
| 42 | return shape().boundingRect(); |
| 43 | } |
| 44 | |
| 45 | QPainterPath shape() const override |
| 46 | { |
| 47 | QPainterPath path = QGraphicsLineItem::shape(); |
| 48 | QRectF rect = path.boundingRect(); |
| 49 | path.addRect(rect: rect.adjusted(xp1: 0, yp1: 0, xp2: m_axisOrientation != Qt::Horizontal ? 8 : 0, yp2: m_axisOrientation != Qt::Vertical ? 8 : 0)); |
| 50 | return path; |
| 51 | } |
| 52 | |
| 53 | private: |
| 54 | ChartAxisElement *m_axis; |
| 55 | Qt::Orientation m_axisOrientation; |
| 56 | }; |
| 57 | |
| 58 | QT_END_NAMESPACE |
| 59 | |
| 60 | #endif /* LINEARROWITEM_P_H */ |
| 61 |