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    Copyright (C) 2000-2003 Paul Davis 

    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
    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.

    $Id: selection.h,v 1.16 2004/11/29 03:04:38 pauld Exp $

#ifndef __ardour_gtk_selection_h__
#define __ardour_gtk_selection_h__

#include <sigc++/signal_system.h>

#include "time_selection.h"
#include "region_selection.h"
#include "track_selection.h"
#include "automation_selection.h"
#include "playlist_selection.h"
#include "redirect_selection.h"
#include "point_selection.h"

class TimeAxisView;
class AudioRegionView;
class Selectable;

class Selection : public SigC::Object 
      enum SelectionType {
            Object = 0x1,
            Range = 0x2

      TrackSelection       tracks;
      AudioRegionSelection audio_regions;
      TimeSelection        time;
      AutomationSelection  lines;
      PlaylistSelection    playlists;
      RedirectSelection    redirects;
      PointSelection       points;

      Selection() {
            next_time_id = 0;

      Selection& operator= (const Selection& other);

      SigC::Signal0<void> RegionsChanged;
      SigC::Signal0<void> TracksChanged;
      SigC::Signal0<void> TimeChanged;
      SigC::Signal0<void> LinesChanged;
      SigC::Signal0<void> PlaylistsChanged;
      SigC::Signal0<void> RedirectsChanged;
      SigC::Signal0<void> PointsChanged;

      void clear ();
      bool empty();

      void dump_region_layers();

      bool selected (TimeAxisView*);
      bool selected (AudioRegionView*);

      void set (list<Selectable*>&);
      void add (list<Selectable*>&);
      void set (TimeAxisView*);
      void set (const list<TimeAxisView*>&);
      void set (AudioRegionView*);
      void set (std::vector<AudioRegionView*>&);
      long set (TimeAxisView*, jack_nframes_t, jack_nframes_t);
      void set (ARDOUR::AutomationList*);
      void set (ARDOUR::Playlist*);
      void set (const list<ARDOUR::Playlist*>&);
      void set (ARDOUR::Redirect*);
      void set (AutomationSelectable*);

      void add (TimeAxisView*);
      void add (const list<TimeAxisView*>&);
      void add (AudioRegionView*);
      void add (std::vector<AudioRegionView*>&);
      long add (jack_nframes_t, jack_nframes_t);
      void add (ARDOUR::AutomationList*);
      void add (ARDOUR::Playlist*);
      void add (const list<ARDOUR::Playlist*>&);
      void add (ARDOUR::Redirect*);

      void remove (TimeAxisView*);
      void remove (const list<TimeAxisView*>&);
      void remove (AudioRegionView*);
      void remove (uint32_t selection_id);
      void remove (jack_nframes_t, jack_nframes_t);
      void remove (ARDOUR::AutomationList*);
      void remove (ARDOUR::Playlist*);
      void remove (const list<ARDOUR::Playlist*>&);
      void remove (ARDOUR::Redirect*);

      void replace (uint32_t time_index, jack_nframes_t start, jack_nframes_t end);
      void clear_audio_regions();
      void clear_tracks ();
      void clear_time();
      void clear_lines ();
      void clear_playlists ();
      void clear_redirects ();
      void clear_points ();

      void foreach_audio_region (void (ARDOUR::AudioRegion::*method)(void));
      void foreach_audio_region (void (ARDOUR::Region::*method)(void));
      template<class A> void foreach_audio_region (void (ARDOUR::AudioRegion::*method)(A), A arg);
      template<class A> void foreach_audio_region (void (ARDOUR::Region::*method)(A), A arg);

      uint32_t next_time_id;

      void add (vector<AutomationSelectable*>&);

bool operator==(const Selection& a, const Selection& b);

#endif /* __ardour_gtk_selection_h__ */

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