track.h

给予QT的qps开源最新源码

/*
   qpegps is a program for displaying a map centered at the current longitude/
   latitude as read from a gps receiver.

   Copyright (C) 2002 Ralf Haselmeier <[e-mail]>

   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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA.

 */

#ifndef TRACK_H
#define TRACK_H

#include <qsocket.h>
#include <qvbox.h>
#include <qhbox.h>
#include <qhgroupbox.h>
#include <qvgroupbox.h>
#include <qmultilineedit.h>
#include <qtextview.h>
#include <qlineedit.h>
#include <qlabel.h>
#include <qpushbutton.h>
#include <qtextstream.h>
#include <qtimer.h>
#include <qpixmap.h>
#include <qpainter.h>
#include <qfileinfo.h>
#include <qdir.h>
#include <qarray.h>
#include <qwidget.h>
#include <qcheckbox.h>
#include <qlist.h>
#include <qcombobox.h>

#include <math.h>

#include "qpegps.h"
#include "maps.h"
#include "gpsdata.h"
#include "dirdialog.h"
#include "settings.h"

#define MINTRACKDIST	0.000001	// minimal distance between tracks [app. degrees]

// track formats
enum {
   NMEA,
   PCX5,
   GPSDRIVE
};
#define DEF_FORMAT	GPSDRIVE

/* one track point */

class TrackPoint : public QObject
{
   Q_OBJECT

   // ----- METHODS -----
   public:
      TrackPoint(QString *nmea);		// create trackpoint from nmea gga sentence
      TrackPoint(QString tim,double lat,double lon,double alt);
      ~TrackPoint() {}

      QString toNMEA();
      QString toPCX5();
      QString toDrive();

      double dist(Position & p);
      double timediff(const QString & tim);

   // ----- MEMBERS -----
   public:
      double time, altitude;
      Position pos;
};

/* writing and reading tracklogs */
class Track : public QScrollView
{
   Q_OBJECT

   // ----- METHODS -----
   public:
      Track(Qpegps * appl, PlacesOptions *placesOpts, QWidget * parent = 0,
            const char * name = 0, WFlags f = 0);
      ~Track();

      void updateFileList();	// update comboboxes with filenames
      void Write(QString filename, int format = DEF_FORMAT);
      // write tracklog in memory to file
      void Read(QString filename);	// read tracklog from file to memory
      void update(GpsData *gpsData);	// new data from gps, update track
      void drawTrack(QPainter * painter, MapBase * actmap,
            int x1, int y1, int mx, int my);
      // draw tracklog
      //void setRate(unsigned message,unsigned rate);	// set rate of message

   public slots:
      void updateConfig();
      void updatePlaces();

   private slots:
      void setWriteCB(bool state);	// (un)checked write checkbox
      void setReadCB(bool state);		// (un)checked read checkbox
      void setReadName(const QString &);	// changed read log name
      void tLEChanged();						// trackdir line edit changed
      void setTrackPath();					// searching for trackdir
      void dLEChanged();						// trackdir line edit changed
      void lMenuBChanged(int idx);	// track line thickness changed
      // void cLEChanged();						// CF period line edit changed 
      void setShowPlacesTB(bool state);	// (un)checked draw places checkbox
      void setPlacesTextSize(int idx);	// (un)checked draw places checkbox

      void placeSelected(int ind); 
      void delPlace();

   // ----- MEMBERS -----
   public:
      QDir * logdir; // mapdir, we have .log files there
      QComboBox *wLog, *rLog; // write/read tracklog filenames
      QLineEdit *tLE, *dLE, *cLE; // trackdir, min. time diff [s], cf period [s]
      MenuButton * lMenuB;
      QComboBox *mapLatLonCB;
      QCheckBox *placesTB;   // show places
      QSpinBox *textSizeSB; // places text size

      TrackOptions trackOptions;
      PlacesOptions *placesOptions;     
      Qpegps * application;
      bool wDo, rDo, cDo; // write track? display track? display current?

      QList<TrackPoint> wTrack, rTrack;

   protected:
      QMultiLineEdit * commMLE;	
      PlaceList *places;

signals:
    void trackChanged();
    void waypointsChanged();
};

#endif // TRACK_H

// end of file