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Diffstat (limited to 'demos/mapsdemo/mapswidget.h')
-rw-r--r-- | demos/mapsdemo/mapswidget.h | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/demos/mapsdemo/mapswidget.h b/demos/mapsdemo/mapswidget.h new file mode 100644 index 00000000..289555db --- /dev/null +++ b/demos/mapsdemo/mapswidget.h @@ -0,0 +1,191 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Qt Mobility Components. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef MAPSWIDGET_H +#define MAPSWIDGET_H + +#include <QGraphicsView> +#include <QGraphicsScene> +#include <QWidget> +#include <QGraphicsRectItem> +#include <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 |