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selection.cc

/*
    Copyright (C) 2002 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
    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.

    $Id: selection.cc,v 1.26 2005/03/09 02:24:52 pauld Exp $
*/

#include <algorithm>
#include <sigc++/bind.h>
#include <pbd/error.h>

#include <ardour/playlist.h>

#include "regionview.h"
#include "selection.h"
#include "selection_templates.h"
#include "time_axis_view.h"
#include "automation_time_axis.h"

#include "i18n.h"

using namespace ARDOUR;
using namespace SigC;

struct AudioRangeComparator {
    bool operator()(AudioRange a, AudioRange b) {
          return a.start < b.start;
    }
};

Selection&
Selection::operator= (const Selection& other)
{
      if (&other != this) {
            audio_regions = other.audio_regions;
            tracks = other.tracks;
            time = other.time;
            lines = other.lines;
      }
      return *this;
}

bool
operator== (const Selection& a, const Selection& b)
{
      return a.audio_regions == b.audio_regions &&
            a.tracks == b.tracks &&
            a.time.track == b.time.track &&
            a.time.group == b.time.group && 
            a.time == b.time &&
            a.lines == b.lines &&
            a.playlists == b.playlists &&
            a.redirects == b.redirects;
}

void
Selection::clear ()
{
      clear_tracks ();
      clear_audio_regions ();
      clear_points ();
      clear_lines();
      clear_time ();
      clear_playlists ();
      clear_redirects ();
}

void
Selection::dump_region_layers()
{
      cerr << "region selection layer dump" << endl;
      for (AudioRegionSelection::iterator i = audio_regions.begin(); i != audio_regions.end(); ++i) {
            cerr << "layer: " << (int)(*i)->region.layer() << endl;
      }
}


void
Selection::clear_redirects ()
{
      if (!redirects.empty()) {
            redirects.clear ();
            RedirectsChanged ();
      }
}

void
Selection::clear_audio_regions ()
{
      if (!audio_regions.empty()) {
            audio_regions.clear_all ();
            RegionsChanged();
      }
}

void
Selection::clear_tracks ()
{
      if (!tracks.empty()) {
            tracks.clear ();
            TracksChanged();
      }
}

void
Selection::clear_time ()
{
      time.track = 0;
      time.group = 0;
      time.clear();

      TimeChanged ();
}

void
Selection::clear_playlists ()
{
      /* Selections own their playlists */

      for (PlaylistSelection::iterator i = playlists.begin(); i != playlists.end(); ++i) {
            (*i)->unref ();
      }

      if (!playlists.empty()) {
            playlists.clear ();
            PlaylistsChanged();
      }
}

void
Selection::clear_lines ()
{
      if (!lines.empty()) {
            lines.clear ();
            LinesChanged();
      }
}

void
Selection::add (Redirect* r)
{
      if (find (redirects.begin(), redirects.end(), r) == redirects.end()) {
            redirects.push_back (r);
            RedirectsChanged();
      }
}

void
Selection::add (Playlist* pl)
{
      if (find (playlists.begin(), playlists.end(), pl) == playlists.end()) {
            pl->ref ();
            playlists.push_back(pl);
            PlaylistsChanged ();
      }
}

void
Selection::add (const list<Playlist*>& pllist)
{
      bool changed = false;

      for (list<Playlist*>::const_iterator i = pllist.begin(); i != pllist.end(); ++i) {
            if (find (playlists.begin(), playlists.end(), (*i)) == playlists.end()) {
                  (*i)->ref ();
                  playlists.push_back (*i);
                  changed = true;
            }
      }
      
      if (changed) {
            PlaylistsChanged ();
      }
}

void
Selection::add (const list<TimeAxisView*>& track_list)
{
      bool changed = false;

      for (list<TimeAxisView*>::const_iterator i = track_list.begin(); i != track_list.end(); ++i) {
            if (find (tracks.begin(), tracks.end(), (*i)) == tracks.end()) {
                  void (Selection::*pmf)(TimeAxisView*) = &Selection::remove;
                  (*i)->GoingAway.connect (bind (slot (*this, pmf), (*i)));
                  tracks.push_back (*i);
                  changed = true;
            }
      }
      
      if (changed) {
            TracksChanged ();
      }
}

void
Selection::add (TimeAxisView* track)
{
      if (find (tracks.begin(), tracks.end(), track) == tracks.end()) {
            void (Selection::*pmf)(TimeAxisView*) = &Selection::remove;
            track->GoingAway.connect (bind (slot (*this, pmf), track));
            tracks.push_back (track);
            TracksChanged();
      }
}

void
Selection::add (AudioRegionView* r)
{
      if (find (audio_regions.begin(), audio_regions.end(), r) == audio_regions.end()) {
            audio_regions.add (r);
            RegionsChanged ();
      }
}

void
Selection::add (vector<AudioRegionView*>& v)
{
      bool changed = false;

      for (vector<AudioRegionView*>::iterator i = v.begin(); i != v.end(); ++i) {
            if (find (audio_regions.begin(), audio_regions.end(), (*i)) == audio_regions.end()) {
                  audio_regions.add ((*i));
                  changed = true;
            }
      }

      if (changed) {
            RegionsChanged ();
      }
}

long
Selection::add (jack_nframes_t start, jack_nframes_t end)
{
      AudioRangeComparator cmp;

      time.push_back (AudioRange (start, end, next_time_id++));
      time.consolidate ();
      time.sort (cmp);
      
      TimeChanged ();

      return next_time_id - 1;
}

void
Selection::replace (uint32_t sid, jack_nframes_t start, jack_nframes_t end)
{
      for (list<AudioRange>::iterator i = time.begin(); i != time.end(); ++i) {
            if ((*i).id == sid) {
                  time.erase (i);
                  time.push_back (AudioRange(start,end, sid));

                  /* don't consolidate here */


                  AudioRangeComparator cmp;
                  time.sort (cmp);

                  TimeChanged ();
                  break;
            }
      }
}

void
Selection::add (AutomationList* ac)
{
      if (find (lines.begin(), lines.end(), ac) == lines.end()) {
            lines.push_back (ac);
            LinesChanged();
      }
}

void
Selection::remove (Redirect* r)
{
      list<Redirect*>::iterator i;
      if ((i = find (redirects.begin(), redirects.end(), r)) != redirects.end()) {
            redirects.erase (i);
            RedirectsChanged ();
      }
}

void
Selection::remove (TimeAxisView* track)
{
      list<TimeAxisView*>::iterator i;
      if ((i = find (tracks.begin(), tracks.end(), track)) != tracks.end()) {
            tracks.erase (i);
            TracksChanged();
      }
}

void
Selection::remove (const list<TimeAxisView*>& track_list)
{
      bool changed = false;

      for (list<TimeAxisView*>::const_iterator i = track_list.begin(); i != track_list.end(); ++i) {

            list<TimeAxisView*>::iterator x;

            if ((x = find (tracks.begin(), tracks.end(), (*i))) != tracks.end()) {
                  tracks.erase (x);
                  changed = true;
            }
      }

      if (changed) {
            TracksChanged();
      }
}

void
Selection::remove (Playlist* track)
{
      list<Playlist*>::iterator i;
      if ((i = find (playlists.begin(), playlists.end(), track)) != playlists.end()) {
            playlists.erase (i);
            PlaylistsChanged();
      }
}

void
Selection::remove (const list<Playlist*>& pllist)
{
      bool changed = false;

      for (list<Playlist*>::const_iterator i = pllist.begin(); i != pllist.end(); ++i) {

            list<Playlist*>::iterator x;

            if ((x = find (playlists.begin(), playlists.end(), (*i))) != playlists.end()) {
                  playlists.erase (x);
                  changed = true;
            }
      }

      if (changed) {
            PlaylistsChanged();
      }
}

void
Selection::remove (AudioRegionView* r)
{
      audio_regions.remove (r);
      RegionsChanged ();
}


void
Selection::remove (uint32_t selection_id)
{
      if (time.empty()) {
            return;
      }

      for (list<AudioRange>::iterator i = time.begin(); i != time.end(); ++i) {
            if ((*i).id == selection_id) {
                  time.erase (i);
                                    
                  TimeChanged ();
                  break;
            }
      }
}

void
Selection::remove (jack_nframes_t start, jack_nframes_t end)
{
}

void
Selection::remove (AutomationList *ac)
{
      list<AutomationList*>::iterator i;
      if ((i = find (lines.begin(), lines.end(), ac)) != lines.end()) {
            lines.erase (i);
            LinesChanged();
      }
}

void
Selection::set (Redirect *r)
{
      clear_redirects ();
      add (r);
}

void
Selection::set (TimeAxisView* track)
{
      clear_tracks ();
      add (track);
}

void
Selection::set (const list<TimeAxisView*>& track_list)
{
      clear_tracks ();
      add (track_list);
}

void
Selection::set (Playlist* playlist)
{
      clear_playlists ();
      add (playlist);
}

void
Selection::set (const list<Playlist*>& pllist)
{
      clear_playlists ();
      add (pllist);
}

void
Selection::set (AudioRegionView* r)
{
      clear_audio_regions ();
      add (r);
}

void
Selection::set (vector<AudioRegionView*>& v)
{

      clear_audio_regions ();
      // make sure to deselect any automation selections
      clear_points();
      add (v);
}

long
Selection::set (TimeAxisView* track, jack_nframes_t start, jack_nframes_t end)
{
      if ((start == 0 && end == 0) || end < start) {
            return 0;
      }

      if (time.empty()) {
            time.push_back (AudioRange (start, end, next_time_id++));
      } else {
            /* reuse the first entry, and remove all the rest */

            while (time.size() > 1) {
                  time.pop_front();
            }
            time.front().start = start;
            time.front().end = end;
      }

      if (track) {
            time.track = track;
            time.group = track->edit_group();
      } else {
            time.track = 0;
            time.group = 0;
      }

      time.consolidate ();

      TimeChanged ();

      return time.front().id;
}

void
Selection::set (AutomationList *ac)
{
      lines.clear();
      add (ac);
}

bool
Selection::selected (TimeAxisView* tv)
{
      return find (tracks.begin(), tracks.end(), tv) != tracks.end();
}

bool
Selection::selected (AudioRegionView* arv)
{
      return find (audio_regions.begin(), audio_regions.end(), arv) != audio_regions.end();
}

bool
Selection::empty ()
{
      return audio_regions.empty () &&
            tracks.empty () &&
            points.empty () && 
            playlists.empty () && 
            lines.empty () &&
            time.empty () &&
            playlists.empty () &&
            redirects.empty ()
            ;
}

void
Selection::set (list<Selectable*>& selectables)
{
      clear_audio_regions();
      clear_points ();
      add (selectables);
}

void
Selection::add (list<Selectable*>& selectables)
{
      AudioRegionView* arv;
      AutomationSelectable* as;
      vector<AudioRegionView*> arvs;
      vector<AutomationSelectable*> autos;

      for (std::list<Selectable*>::iterator i = selectables.begin(); i != selectables.end(); ++i) {
            if ((arv = dynamic_cast<AudioRegionView*> (*i)) != 0) {
                  arvs.push_back (arv);
            } else if ((as = dynamic_cast<AutomationSelectable*> (*i)) != 0) {
                  autos.push_back (as);
            } else {
                  fatal << _("programming error: ")
                        << X_("unknown selectable type passed to Selection::set()")
                        << endmsg;
                  /*NOTREACHED*/
            }
      }

      if (!arvs.empty()) {
            add (arvs);
      } 

      if (!autos.empty()) {
            add (autos);
      } 
}

void
Selection::clear_points ()
{
      if (!points.empty()) {
            points.clear ();
            PointsChanged ();
      }
}

void
Selection::add (vector<AutomationSelectable*>& autos)
{
      for (vector<AutomationSelectable*>::iterator i = autos.begin(); i != autos.end(); ++i) {
            points.push_back (**i);
            delete *i;
      }
      
      PointsChanged ();
}

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