1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef MAPSWIDGET_H
#define MAPSWIDGET_H
#include <QtWidgets/QGraphicsView>
#include <QtWidgets/QGraphicsScene>
#include <QtWidgets/QWidget>
#include <QtWidgets/QGraphicsRectItem>
#include <QtWidgets/QGraphicsSimpleTextItem>
#include "qgraphicsgeomap.h"
#include "qgeomappingmanager.h"
#include "qgeocoordinate.h"
class MapsWidget;
class MarkerManager;
class Marker;
class StatusBarItem;
class ZoomButtonItem;
// The graphics item that actually contains the map
class GeoMap : public QGraphicsGeoMap
{
Q_OBJECT
Q_PROPERTY(double centerLatitude READ centerLatitude WRITE setCenterLatitude)
Q_PROPERTY(double centerLongitude READ centerLongitude WRITE setCenterLongitude)
public:
explicit GeoMap(QGeoMappingManager *manager, MapsWidget *mapsWidget);
~GeoMap();
double centerLatitude() const;
void setCenterLatitude(double lat);
double centerLongitude() const;
void setCenterLongitude(double lon);
private:
MapsWidget *mapsWidget;
bool panActive;
bool markerPressed;
QGeoMapObject *pressed;
void mousePressEvent(QGraphicsSceneMouseEvent *event);
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
void wheelEvent(QGraphicsSceneWheelEvent *event);
void keyPressEvent(QKeyEvent *event);
signals:
void clicked(Marker *marker);
void panned();
};
class FixedGraphicsView : public QGraphicsView
{
Q_OBJECT
public:
FixedGraphicsView(QWidget *parent);
protected:
void scrollContentsBy(int dx, int dy);
};
// A widget to hold the view and scene for a GeoMap, as well
// as control widgets
class MapsWidgetPrivate;
class MapsWidget : public QWidget
{
Q_OBJECT
public:
explicit MapsWidget(QWidget *parent = 0);
~MapsWidget();
void setMarkerManager(MarkerManager *markerManager);
MarkerManager *markerManager() const;
QGraphicsGeoMap *map() const;
StatusBarItem *statusBar() const;
void animatedPanTo(QGeoCoordinate center);
void setMyLocation(QGeoCoordinate location, bool center=true);
public slots:
void initialize(QGeoMappingManager *manager);
signals:
void markerClicked(Marker *marker);
void mapPanned();
private:
MapsWidgetPrivate *d;
void resizeEvent(QResizeEvent *event);
void showEvent(QShowEvent *event);
};
// An animated status bar item that appears at the bottom
// of the map
class StatusBarItemPrivate;
class StatusBarItem : public QObject, public QGraphicsRectItem
{
Q_OBJECT
Q_PROPERTY(int offset READ offset WRITE setOffset)
public:
explicit StatusBarItem();
~StatusBarItem();
int offset() const;
void setRect(qreal x, qreal y, qreal w, qreal h);
public slots:
void setText(QString text);
void showText(QString text, quint32 timeout=3000);
void show();
void hide();
void setOffset(int offset);
private:
StatusBarItemPrivate *d;
};
// Zoom in / zoom out buttons, touch-friendly, appearing on the
// side of the map
class ZoomButtonItemPrivate;
class ZoomButtonItem : public QGraphicsRectItem
{
public:
explicit ZoomButtonItem(GeoMap *map);
void setRect(qreal x, qreal y, qreal w, qreal h);
private:
ZoomButtonItemPrivate *d;
bool isTopHalf(const QPointF &point);
bool isBottomHalf(const QPointF &point);
protected:
void mousePressEvent(QGraphicsSceneMouseEvent *event);
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
};
#endif // MAPSWIDGET_H
|