/*  cdrdao - write audio CD-Rs in disc-at-once mode

 *

 *  Copyright (C) 1998  Andreas Mueller <mueller@daneb.ping.de>

 *

 *  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.

 */

/*

 * $Log: TrackManager.h,v $

 * Revision 1.2  2004/02/12 01:13:32  poolshark

 * Merge from gnome2 branch

 *

 * Revision 1.1.1.1.6.1  2004/01/05 00:34:03  poolshark

 * First checking of gnome2 port

 *

 * Revision 1.1.1.1  2003/12/09 05:32:28  denis

 * Fooya

 *

 * Revision 1.1.1.1  2000/02/05 01:38:55  llanero

 * Uploaded cdrdao 1.1.3 with pre10 patch applied.

 *

 * Revision 1.1  1998/11/20 18:56:46  mueller

 * Initial revision

 *

 */

#ifndef __TRACK_MANAGER_H

#define __TRACK_MANAGER_H

#include <glib.h>

class Toc;

class Track;

class TrackManager {

public:

  struct Entry {

    Entry(const Track *t, int tn, int in, gint x) {

      track = t; trackNr = tn; indexNr = in; xpos = x;

      extend = 0; drawn = 1; selected = 0;

    }

    const Track *track;

    int trackNr;

    int indexNr;

    gint xpos;

    unsigned int extend : 1;

    unsigned int drawn : 1;

    unsigned int selected : 1;

  };

  TrackManager(gint trackMarkerWidth);

  ~TrackManager();

  void update(const Toc *, unsigned long start, unsigned long end, gint width);

  // returns entry that is picked at given x-postion

  const Entry *pick(gint x, gint *stopXMin, gint *stopXMax); 

  // selects given entry, use 'NULL' to unselect all

  void select(const Entry *);

  // selected entry with specified track/index

  void select(int trackNr, int indexNr);

  // iterates entries

  const Entry *first();

  const Entry *next();

private:

  struct EntryList {

    Entry *ent;

    EntryList *next;

  };

  gint trackMarkerWidth_;

  gint width_;

  EntryList *entries_;

  EntryList *lastEntry_;

  EntryList *iterator_;

  void clear();

  void append(Entry *);

};

#endif