waypointitem.h 6.32 KB
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/**
******************************************************************************
*
* @file       waypointitem.h
* @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* @brief      A graphicsItem representing a WayPoint
* @see        The GNU Public License (GPL) Version 3
* @defgroup   OPMapWidget
* @{
*
*****************************************************************************/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef WAYPOINTITEM_H
#define WAYPOINTITEM_H

#include <QGraphicsItem>
#include <QPainter>
#include <QLabel>
#include "../internals/pointlatlng.h"
#include "mapgraphicitem.h"
#include <QObject>
namespace mapcontrol
{
/**
* @brief A QGraphicsItem representing a WayPoint
*
* @class WayPointItem waypointitem.h "waypointitem.h"
*/
class WayPointItem:public QObject,public QGraphicsItem
{
    Q_OBJECT
    Q_INTERFACES(QGraphicsItem)
public:
    enum { Type = UserType + 1 };
    /**
    * @brief Constructer
    *
    * @param coord coordinates in LatLng of the Waypoint
    * @param altitude altitude of the WayPoint
    * @param map pointer to map to use
    * @return 
    */
    WayPointItem(internals::PointLatLng const& coord,double const& altitude,MapGraphicItem* map);
    /**
    * @brief Constructer
    *
    * @param coord coordinates in LatLng of the WayPoint
    * @param altitude altitude of the WayPoint
    * @param description description fo the WayPoint
    * @param map pointer to map to use
    * @return
    */
    WayPointItem(internals::PointLatLng const& coord,double const& altitude,QString const& description,MapGraphicItem* map);
    /**
    * @brief Returns the WayPoint description
    *
    * @return QString
    */
    QString Description(){return description;}
    /**
    * @brief Sets the WayPoint description
    *
    * @param value
    */
    void SetDescription(QString const& value);
    /**
    * @brief Returns true if WayPoint is Reached
    *
    * @return bool
    */
    bool Reached(){return reached;}
    /**
    * @brief  Sets if WayPoint is Reached
    *
    * @param value
    */
    void SetReached(bool const& value);
    /**
    * @brief Returns the WayPoint number
    *
    */
    int Number(){return number;}
    /**
    * @brief Sets WayPoint number
    *
    * @param value
    */
    void SetNumber(int const& value);
    /**
    * @brief Returns WayPoint LatLng coordinate
    *
    */
    internals::PointLatLng Coord() const {return coord;}
    /**
    * @brief  Sets WayPoint LatLng coordinate
    *
    * @param value
    */
    void SetCoord(internals::PointLatLng const& value);
    /**
    * @brief Used if WayPoint number is to be drawn on screen
    *
    */
    bool ShowNumber(){return shownumber;}
    /**
    * @brief  Used to set if WayPoint number is to be drawn on screen
    *
    * @param value
    */
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    virtual void SetShowNumber(bool const& value);
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    /**
    * @brief Returns the WayPoint altitude in meters
    *
    * @return int
    */
    double Altitude(){return altitude;}
    /**
    * @brief Returns the WayPoint Heading
    *
    * @return Waypoint heading in degrees, 0 = north, 90 = east
    */
    float Heading(){return heading;}
    /**
    * @brief Sets the WayPoint Altitude
    *
    * @param value altitude in meters above mean sea level (MSL)
    */
    void SetAltitude(double const& value);
    /**
    * @brief Sets the WayPoint Heading
    *
    * @param value heading in degrees, 0 = north, 90 = east
    */
    void SetHeading(float const& value);
    int type() const;
    virtual QRectF boundingRect() const;
    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
                QWidget *widget);
    void RefreshPos();
    void RefreshToolTip();
    QPixmap picture;
~WayPointItem();

    static int snumber;
protected:
    void mouseMoveEvent ( QGraphicsSceneMouseEvent * event );
    void mousePressEvent ( QGraphicsSceneMouseEvent * event );
    void mouseReleaseEvent ( QGraphicsSceneMouseEvent * event );

    MapGraphicItem* map;
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    bool autoreachedEnabled;    ///< If the waypoint should change appearance once it has been reached
    QGraphicsSimpleTextItem* text;
    QGraphicsRectItem* textBG;
    QGraphicsSimpleTextItem* numberI;
    QGraphicsRectItem* numberIBG;
    QTransform transf;
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    internals::PointLatLng coord;//coordinates of this WayPoint
    bool reached;
    QString description;
    bool shownumber;
    bool isDragging;
    double altitude;
    float heading;
    int number;

public slots:
    /**
    * @brief Called when a WayPoint is deleted
    *
    * @param number number of the WayPoint that was deleted
    */
    void WPDeleted(int const& number);
    /**
    * @brief Called when a WayPoint is renumbered
    *
    * @param oldnumber the old  WayPoint number
    * @param newnumber the new WayPoint number
    * @param waypoint a pointer to the WayPoint renumbered
    */
    void WPRenumbered(int const& oldnumber,int const& newnumber,WayPointItem* waypoint);
    /**
    * @brief Called when a  WayPoint is inserted
    *
    * @param number the number of the  WayPoint
    * @param waypoint  a pointer to the WayPoint inserted
    */
    void WPInserted(int const& number,WayPointItem* waypoint);
signals:
    /**
    * @brief fires when this WayPoint number changes (not fired if due to a auto-renumbering)
    *
    * @param oldnumber this WayPoint old number
    * @param newnumber this WayPoint new number
    * @param waypoint a pointer to this WayPoint
    */
    void WPNumberChanged(int const& oldnumber,int const& newnumber,WayPointItem* waypoint);
    /**
    * @brief Fired when the description, altitude or coordinates change
    *
    * @param waypoint a pointer to this WayPoint
    */
    void WPValuesChanged(WayPointItem* waypoint);

};
}
#endif // WAYPOINTITEM_H