/usr/include/marble/AlternativeRoutesModel.h is in libmarble-dev 4:4.13.0-0ubuntu1.
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// This file is part of the Marble Virtual Globe.
//
// This program is free software licensed under the GNU LGPL. You can
// find a copy of this license in LICENSE.txt in the top directory of
// the source code.
//
// Copyright 2010 Dennis Nienhüser <earthwings@gentoo.org>
//
#ifndef MARBLE_ALTERNATIVEROUTESMODEL_H
#define MARBLE_ALTERNATIVEROUTESMODEL_H
#include "GeoDataLineString.h"
#include <QAbstractListModel>
/**
* A QAbstractItemModel that contains a list of routing instructions.
* Each item represents a routing step in the way from source to
* destination. Steps near the source come first, steps near the target
* last.
*/
namespace Marble
{
class AlternativeRoutesModelPrivate;
class RouteRequest;
class GeoDataDocument;
class MARBLE_EXPORT AlternativeRoutesModel : public QAbstractListModel
{
Q_OBJECT
public:
enum WritePolicy {
Instant,
Lazy
};
/** Constructor */
explicit AlternativeRoutesModel( QObject *parent = 0 );
/** Destructor */
~AlternativeRoutesModel();
// Model querying
/** Overload of QAbstractListModel */
int rowCount ( const QModelIndex &parent = QModelIndex() ) const;
/** Overload of QAbstractListModel */
QVariant headerData ( int section, Qt::Orientation orientation, int role = Qt::DisplayRole ) const;
/** Overload of QAbstractListModel */
QVariant data ( const QModelIndex &index, int role = Qt::DisplayRole ) const;
GeoDataDocument* route( int index );
// Model data filling
/** Invalidate the current alternative routes and prepare for new ones to arrive */
void newRequest( RouteRequest *request );
/**
* Old data in the model is discarded, the parsed content of the provided document
* is used as the new model data and a model reset is done
* @param document The route to add
* @param policy In lazy mode (default), a short amount of time is waited for
* other addRoute() calls before adding the route to the model. Otherwise, the
* model is changed immediately.
*/
void addRoute( GeoDataDocument* document, WritePolicy policy = Lazy );
/** Remove all alternative routes from the model */
void clear();
GeoDataDocument* currentRoute();
/** Returns the waypoints contained in the route as a linestring */
static const GeoDataLineString* waypoints( const GeoDataDocument* document );
/** Returns the distance between the given point and the given great circle path */
static qreal distance( const GeoDataCoordinates &satellite, const GeoDataCoordinates &lineA, const GeoDataCoordinates &lineB );
/** Returns the minimal distance of each waypoint of routeA to routeB */
static QVector<qreal> deviation( const GeoDataDocument* routeA, const GeoDataDocument* routeB );
public Q_SLOTS:
void setCurrentRoute( int index );
Q_SIGNALS:
void currentRouteChanged( GeoDataDocument* newRoute );
void currentRouteChanged( int index );
private Q_SLOTS:
void addRestrainedRoutes();
void update( GeoDataDocument* route );
private:
AlternativeRoutesModelPrivate *const d;
};
} // namespace Marble
#endif
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