1/****************************************************************************
2**
3** Copyright (C) 2015 The Qt Company Ltd.
4** Contact: http://www.qt.io/licensing/
5**
6** This file is part of the QtLocation module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL3$
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 http://www.qt.io/terms-conditions. For further
15** information use the contact form at http://www.qt.io/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 3 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPLv3 included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or later as published by the Free
28** Software Foundation and appearing in the file LICENSE.GPL included in
29** the packaging of this file. Please review the following information to
30** ensure the GNU General Public License version 2.0 requirements will be
31** met: http://www.gnu.org/licenses/gpl-2.0.html.
32**
33** $QT_END_LICENSE$
34**
35****************************************************************************/
36
37#ifndef QDECLARATIVEGEOMAPQUICKITEM_H
38#define QDECLARATIVEGEOMAPQUICKITEM_H
39
40//
41// W A R N I N G
42// -------------
43//
44// This file is not part of the Qt API. It exists purely as an
45// implementation detail. This header file may change from version to
46// version without notice, or even be removed.
47//
48// We mean it.
49//
50
51#include <QtLocation/private/qlocationglobal_p.h>
52
53#include <QtQuick/QQuickItem>
54#include <QtQuick/QSGNode>
55
56#include <QtLocation/private/qdeclarativegeomap_p.h>
57#include <QtLocation/private/qdeclarativegeomapitembase_p.h>
58#include <QtPositioning/qgeoshape.h>
59
60QT_BEGIN_NAMESPACE
61
62class QMapQuickItemMatrix4x4 : public QQuickTransform
63{
64public:
65 QMapQuickItemMatrix4x4(QObject *parent = nullptr);
66
67 void setMatrix(const QMatrix4x4& matrix);
68 void applyTo(QMatrix4x4 *matrix) const override;
69
70 QMatrix4x4 m_matrix;
71};
72
73class Q_LOCATION_PRIVATE_EXPORT QDeclarativeGeoMapQuickItem : public QDeclarativeGeoMapItemBase
74{
75 Q_OBJECT
76 Q_PROPERTY(QGeoCoordinate coordinate READ coordinate WRITE setCoordinate NOTIFY coordinateChanged)
77 Q_PROPERTY(QPointF anchorPoint READ anchorPoint WRITE setAnchorPoint NOTIFY anchorPointChanged)
78 Q_PROPERTY(qreal zoomLevel READ zoomLevel WRITE setZoomLevel NOTIFY zoomLevelChanged)
79 Q_PROPERTY(QQuickItem *sourceItem READ sourceItem WRITE setSourceItem NOTIFY sourceItemChanged)
80
81public:
82 explicit QDeclarativeGeoMapQuickItem(QQuickItem *parent = 0);
83 ~QDeclarativeGeoMapQuickItem();
84
85 virtual void setMap(QDeclarativeGeoMap *quickMap, QGeoMap *map) override;
86
87 void setCoordinate(const QGeoCoordinate &coordinate);
88 QGeoCoordinate coordinate();
89
90 void setSourceItem(QQuickItem *sourceItem);
91 QQuickItem *sourceItem();
92
93 void setAnchorPoint(const QPointF &anchorPoint);
94 QPointF anchorPoint() const;
95
96 void setZoomLevel(qreal zoomLevel);
97 qreal zoomLevel() const;
98
99 const QGeoShape &geoShape() const override;
100 void setGeoShape(const QGeoShape &shape) override;
101
102Q_SIGNALS:
103 void coordinateChanged();
104 void sourceItemChanged();
105 void anchorPointChanged();
106 void zoomLevelChanged();
107
108protected:
109 void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) override;
110 void updatePolish() override;
111 bool childMouseEventFilter(QQuickItem *item, QEvent *event) override;
112
113protected Q_SLOTS:
114 virtual void afterChildrenChanged() override;
115 virtual void afterViewportChanged(const QGeoMapViewportChangeEvent &event) override;
116
117private:
118 qreal scaleFactor();
119 QGeoCoordinate dragStartCoordinate_;
120 QGeoCoordinate coordinate_;
121 QGeoRectangle geoshape_;
122 QPointer<QQuickItem> sourceItem_;
123 QQuickItem *opacityContainer_;
124 QPointF anchorPoint_;
125 qreal zoomLevel_;
126 bool mapAndSourceItemSet_;
127 bool updatingGeometry_;
128 QMapQuickItemMatrix4x4 *matrix_;
129
130 friend class QDeclarativeGeoMap;
131};
132
133QT_END_NAMESPACE
134
135QML_DECLARE_TYPE(QDeclarativeGeoMapQuickItem)
136
137#endif
138

source code of qtlocation/src/location/declarativemaps/qdeclarativegeomapquickitem_p.h