gtk2_ardour/selection.cc

   1 /*
   2     Copyright (C) 2002 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <algorithm>
  21 #include <sigc++/bind.h>
  22
  23 #include "pbd/error.h"
  24 #include "pbd/stacktrace.h"
  25
  26 #include "ardour/playlist.h"
  27 #include "ardour/rc_configuration.h"
  28
  29 #include "audio_region_view.h"
  30 #include "debug.h"
  31 #include "gui_thread.h"
  32 #include "midi_cut_buffer.h"
  33 #include "region_gain_line.h"
  34 #include "region_view.h"
  35 #include "selection.h"
  36 #include "selection_templates.h"
  37 #include "time_axis_view.h"
  38 #include "automation_time_axis.h"
  39 #include "public_editor.h"
  40 #include "control_point.h"
  41
  42 #include "i18n.h"
  43
  44 using namespace std;
  45 using namespace ARDOUR;
  46 using namespace PBD;
  47
  48 struct AudioRangeComparator {
  49         bool operator()(AudioRange a, AudioRange b) {
  50                 return a.start < b.start;
  51         }
  52 };
  53
  54 Selection::Selection (const PublicEditor* e)
  55         : tracks (e)
  56         , editor (e)
  57         , next_time_id (0)
  58         , _no_tracks_changed (false)
  59 {
  60         clear ();
  61
  62         /* we have disambiguate which remove() for the compiler */
  63
  64         void (Selection::*track_remove)(TimeAxisView*) = &Selection::remove;
  65         TimeAxisView::CatchDeletion.connect (*this, MISSING_INVALIDATOR, boost::bind (track_remove, this, _1), gui_context());
  66
  67         void (Selection::*marker_remove)(ArdourMarker*) = &Selection::remove;
  68         ArdourMarker::CatchDeletion.connect (*this, MISSING_INVALIDATOR, boost::bind (marker_remove, this, _1), gui_context());
  69
  70         void (Selection::*point_remove)(ControlPoint*) = &Selection::remove;
  71         ControlPoint::CatchDeletion.connect (*this, MISSING_INVALIDATOR, boost::bind (point_remove, this, _1), gui_context());
  72 }
  73
  74 #if 0
  75 Selection&
  76 Selection::operator= (const Selection& other)
  77 {
  78         if (&other != this) {
  79                 regions = other.regions;
  80                 tracks = other.tracks;
  81                 time = other.time;
  82                 lines = other.lines;
  83                 midi_regions = other.midi_regions;
  84                 midi_notes = other.midi_notes;
  85         }
  86         return *this;
  87 }
  88 #endif
  89
  90 bool
  91 operator== (const Selection& a, const Selection& b)
  92 {
  93         return a.regions == b.regions &&
  94                 a.tracks == b.tracks &&
  95                 a.time == b.time &&
  96                 a.lines == b.lines &&
  97                 a.playlists == b.playlists &&
  98                 a.midi_notes == b.midi_notes &&
  99                 a.midi_regions == b.midi_regions;
 100 }
 101
 102 /** Clear everything from the Selection */
 103 void
 104 Selection::clear ()
 105 {
 106         clear_tracks ();
 107         clear_regions ();
 108         clear_points ();
 109         clear_lines();
 110         clear_time ();
 111         clear_playlists ();
 112         clear_midi_notes ();
 113         clear_midi_regions ();
 114         clear_markers ();
 115         pending_midi_note_selection.clear();
 116 }
 117
 118 void
 119 Selection::clear_objects (bool with_signal)
 120 {
 121         clear_regions (with_signal);
 122         clear_points (with_signal);
 123         clear_lines(with_signal);
 124         clear_playlists (with_signal);
 125         clear_midi_notes (with_signal);
 126         clear_midi_regions (with_signal);
 127 }
 128
 129 void
 130 Selection::clear_tracks (bool with_signal)
 131 {
 132         if (!tracks.empty()) {
 133                 for (TrackViewList::iterator x = tracks.begin(); x != tracks.end(); ++x) {
 134                         (*x)->set_selected (false);
 135                 }
 136                 tracks.clear ();
 137                 if (!_no_tracks_changed && with_signal) {
 138                         TracksChanged();
 139                 }
 140         }
 141 }
 142
 143 void
 144 Selection::clear_time (bool with_signal)
 145 {
 146         time.clear();
 147         if (with_signal) {
 148                 TimeChanged ();
 149         }
 150 }
 151
 152 void
 153 Selection::dump_region_layers()
 154 {
 155         cerr << "region selection layer dump" << endl;
 156         for (RegionSelection::iterator i = regions.begin(); i != regions.end(); ++i) {
 157                 cerr << "layer: " << (int)(*i)->region()->layer() << endl;
 158         }
 159 }
 160
 161
 162 void
 163 Selection::clear_regions (bool with_signal)
 164 {
 165         if (!regions.empty()) {
 166                 regions.clear_all ();
 167                 if (with_signal) {
 168                         RegionsChanged();
 169                 }
 170         }
 171 }
 172
 173 void
 174 Selection::clear_midi_notes (bool with_signal)
 175 {
 176         if (!midi_notes.empty()) {
 177                 for (MidiNoteSelection::iterator x = midi_notes.begin(); x != midi_notes.end(); ++x) {
 178                         delete *x;
 179                 }
 180                 midi_notes.clear ();
 181                 if (with_signal) {
 182                         MidiNotesChanged ();
 183                 }
 184         }
 185
 186         // clear note selections for MRV's that have note selections
 187         // this will cause the MRV to be removed from the list
 188         for (MidiRegionSelection::iterator i = midi_regions.begin();
 189              i != midi_regions.end();) {
 190                 MidiRegionSelection::iterator tmp = i;
 191                 ++tmp;
 192                 MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
 193                 if (mrv) {
 194                         mrv->clear_selection();
 195                 }
 196                 i = tmp;
 197         }
 198 }
 199
 200 void
 201 Selection::clear_midi_regions (bool with_signal)
 202 {
 203         if (!midi_regions.empty()) {
 204                 midi_regions.clear ();
 205                 if (with_signal) {
 206                         MidiRegionsChanged ();
 207                 }
 208         }
 209 }
 210
 211 void
 212 Selection::clear_playlists (bool with_signal)
 213 {
 214         /* Selections own their playlists */
 215
 216         for (PlaylistSelection::iterator i = playlists.begin(); i != playlists.end(); ++i) {
 217                 /* selections own their own regions, which are copies of the "originals". make them go away */
 218                 (*i)->drop_regions ();
 219                 (*i)->release ();
 220         }
 221
 222         if (!playlists.empty()) {
 223                 playlists.clear ();
 224                 if (with_signal) {
 225                         PlaylistsChanged();
 226                 }
 227         }
 228 }
 229
 230 void
 231 Selection::clear_lines (bool with_signal)
 232 {
 233         if (!lines.empty()) {
 234                 lines.clear ();
 235                 if (with_signal) {
 236                         LinesChanged();
 237                 }
 238         }
 239 }
 240
 241 void
 242 Selection::clear_markers (bool with_signal)
 243 {
 244         if (!markers.empty()) {
 245                 markers.clear ();
 246                 if (with_signal) {
 247                         MarkersChanged();
 248                 }
 249         }
 250 }
 251
 252 void
 253 Selection::toggle (boost::shared_ptr<Playlist> pl)
 254 {
 255         clear_time();  //enforce object/range exclusivity
 256         clear_tracks();  //enforce object/track exclusivity
 257
 258         PlaylistSelection::iterator i;
 259
 260         if ((i = find (playlists.begin(), playlists.end(), pl)) == playlists.end()) {
 261                 pl->use ();
 262                 playlists.push_back(pl);
 263         } else {
 264                 playlists.erase (i);
 265         }
 266
 267         PlaylistsChanged ();
 268 }
 269
 270 void
 271 Selection::toggle (const TrackViewList& track_list)
 272 {
 273         for (TrackViewList::const_iterator i = track_list.begin(); i != track_list.end(); ++i) {
 274                 toggle ((*i));
 275         }
 276 }
 277
 278 void
 279 Selection::toggle (TimeAxisView* track)
 280 {
 281         TrackSelection::iterator i;
 282
 283         if ((i = find (tracks.begin(), tracks.end(), track)) == tracks.end()) {
 284                 track->set_selected (true);
 285                 tracks.push_back (track);
 286         } else {
 287                 track->set_selected (false);
 288                 tracks.erase (i);
 289         }
 290
 291         if (!_no_tracks_changed) {
 292                 TracksChanged();
 293         }
 294 }
 295
 296 void
 297 Selection::toggle (const MidiNoteSelection& midi_note_list)
 298 {
 299         clear_time();  //enforce object/range exclusivity
 300         clear_tracks();  //enforce object/track exclusivity
 301
 302         for (MidiNoteSelection::const_iterator i = midi_note_list.begin(); i != midi_note_list.end(); ++i) {
 303                 toggle ((*i));
 304         }
 305 }
 306
 307 void
 308 Selection::toggle (MidiCutBuffer* midi)
 309 {
 310         MidiNoteSelection::iterator i;
 311
 312         if ((i = find (midi_notes.begin(), midi_notes.end(), midi)) == midi_notes.end()) {
 313                 midi_notes.push_back (midi);
 314         } else {
 315                 /* remember that we own the MCB */
 316                 delete *i;
 317                 midi_notes.erase (i);
 318         }
 319
 320         MidiNotesChanged();
 321 }
 322
 323
 324 void
 325 Selection::toggle (RegionView* r)
 326 {
 327         clear_time();  //enforce object/range exclusivity
 328         clear_tracks();  //enforce object/track exclusivity
 329
 330         RegionSelection::iterator i;
 331
 332         if ((i = find (regions.begin(), regions.end(), r)) == regions.end()) {
 333                 add (r);
 334         } else {
 335                 remove (*i);
 336         }
 337
 338         RegionsChanged ();
 339 }
 340
 341 void
 342 Selection::toggle (MidiRegionView* mrv)
 343 {
 344         clear_time();   //enforce object/range exclusivity
 345         clear_tracks();  //enforce object/track exclusivity
 346
 347         MidiRegionSelection::iterator i;
 348
 349         if ((i = find (midi_regions.begin(), midi_regions.end(), mrv)) == midi_regions.end()) {
 350                 add (mrv);
 351         } else {
 352                 midi_regions.erase (i);
 353         }
 354
 355         MidiRegionsChanged ();
 356 }
 357
 358 void
 359 Selection::toggle (vector<RegionView*>& r)
 360 {
 361         clear_time();  //enforce object/range exclusivity
 362         clear_tracks();  //enforce object/track exclusivity
 363
 364         RegionSelection::iterator i;
 365
 366         for (vector<RegionView*>::iterator x = r.begin(); x != r.end(); ++x) {
 367                 if ((i = find (regions.begin(), regions.end(), (*x))) == regions.end()) {
 368                         add ((*x));
 369                 } else {
 370                         remove (*x);
 371                 }
 372         }
 373
 374         RegionsChanged ();
 375 }
 376
 377 long
 378 Selection::toggle (framepos_t start, framepos_t end)
 379 {
 380         clear_objects();  //enforce object/range exclusivity
 381
 382         AudioRangeComparator cmp;
 383
 384         /* XXX this implementation is incorrect */
 385
 386         time.push_back (AudioRange (start, end, ++next_time_id));
 387         time.consolidate ();
 388         time.sort (cmp);
 389
 390         TimeChanged ();
 391
 392         return next_time_id;
 393 }
 394
 395 void
 396 Selection::add (boost::shared_ptr<Playlist> pl)
 397 {
 398         clear_time();  //enforce object/range exclusivity
 399         clear_tracks();  //enforce object/track exclusivity
 400
 401         if (find (playlists.begin(), playlists.end(), pl) == playlists.end()) {
 402                 pl->use ();
 403                 playlists.push_back(pl);
 404                 PlaylistsChanged ();
 405         }
 406 }
 407
 408 void
 409 Selection::add (const list<boost::shared_ptr<Playlist> >& pllist)
 410 {
 411         clear_time();  //enforce object/range exclusivity
 412         clear_tracks();  //enforce object/track exclusivity
 413
 414         bool changed = false;
 415
 416         for (list<boost::shared_ptr<Playlist> >::const_iterator i = pllist.begin(); i != pllist.end(); ++i) {
 417                 if (find (playlists.begin(), playlists.end(), (*i)) == playlists.end()) {
 418                         (*i)->use ();
 419                         playlists.push_back (*i);
 420                         changed = true;
 421                 }
 422         }
 423
 424         if (changed) {
 425                 PlaylistsChanged ();
 426         }
 427 }
 428
 429 void
 430 Selection::add (const TrackViewList& track_list)
 431 {
 432         clear_objects();  //enforce object/range exclusivity
 433
 434         TrackViewList added = tracks.add (track_list);
 435
 436         if (!added.empty()) {
 437                 for (TrackViewList::iterator x = added.begin(); x != added.end(); ++x) {
 438                         (*x)->set_selected (true);
 439                 }
 440                 if (!_no_tracks_changed) {
 441                         TracksChanged ();
 442                 }
 443         }
 444 }
 445
 446 void
 447 Selection::add (TimeAxisView* track)
 448 {
 449         clear_objects();  //enforce object/range exclusivity
 450
 451         TrackViewList tr;
 452         track->set_selected (true);
 453         tr.push_back (track);
 454         add (tr);
 455 }
 456
 457 void
 458 Selection::add (const MidiNoteSelection& midi_list)
 459 {
 460         clear_time();  //enforce object/range exclusivity
 461         clear_tracks();  //enforce object/track exclusivity
 462
 463         const MidiNoteSelection::const_iterator b = midi_list.begin();
 464         const MidiNoteSelection::const_iterator e = midi_list.end();
 465
 466         if (!midi_list.empty()) {
 467                 midi_notes.insert (midi_notes.end(), b, e);
 468                 MidiNotesChanged ();
 469         }
 470 }
 471
 472 void
 473 Selection::add (MidiCutBuffer* midi)
 474 {
 475         /* we take ownership of the MCB */
 476
 477         if (find (midi_notes.begin(), midi_notes.end(), midi) == midi_notes.end()) {
 478                 midi_notes.push_back (midi);
 479                 MidiNotesChanged ();
 480         }
 481 }
 482
 483 void
 484 Selection::add (vector<RegionView*>& v)
 485 {
 486         clear_time();  //enforce object/range exclusivity
 487         clear_tracks();  //enforce object/track exclusivity
 488
 489         /* XXX This method or the add (const RegionSelection&) needs to go
 490          */
 491
 492         bool changed = false;
 493
 494         for (vector<RegionView*>::iterator i = v.begin(); i != v.end(); ++i) {
 495                 if (find (regions.begin(), regions.end(), (*i)) == regions.end()) {
 496                         changed = regions.add ((*i));
 497                 }
 498         }
 499
 500         if (changed) {
 501                 RegionsChanged ();
 502         }
 503 }
 504
 505 void
 506 Selection::add (const RegionSelection& rs)
 507 {
 508         clear_time();  //enforce object/range exclusivity
 509         clear_tracks();  //enforce object/track exclusivity
 510
 511         /* XXX This method or the add (const vector<RegionView*>&) needs to go
 512          */
 513
 514         bool changed = false;
 515
 516         for (RegionSelection::const_iterator i = rs.begin(); i != rs.end(); ++i) {
 517                 if (find (regions.begin(), regions.end(), (*i)) == regions.end()) {
 518                         changed = regions.add ((*i));
 519                 }
 520         }
 521
 522         if (changed) {
 523                 RegionsChanged ();
 524         }
 525 }
 526
 527 void
 528 Selection::add (RegionView* r)
 529 {
 530         clear_time();  //enforce object/range exclusivity
 531         clear_tracks();  //enforce object/track exclusivity
 532
 533         if (find (regions.begin(), regions.end(), r) == regions.end()) {
 534                 bool changed = regions.add (r);
 535                 if (changed) {
 536                         RegionsChanged ();
 537                 }
 538         }
 539 }
 540
 541 void
 542 Selection::add (MidiRegionView* mrv)
 543 {
 544         DEBUG_TRACE(DEBUG::Selection, string_compose("Selection::add MRV %1\n", mrv));
 545
 546         clear_time();  //enforce object/range exclusivity
 547         clear_tracks();  //enforce object/track exclusivity
 548
 549         if (find (midi_regions.begin(), midi_regions.end(), mrv) == midi_regions.end()) {
 550                 midi_regions.push_back (mrv);
 551                 /* XXX should we do this? */
 552                 MidiRegionsChanged ();
 553         }
 554 }
 555
 556 long
 557 Selection::add (framepos_t start, framepos_t end)
 558 {
 559         clear_objects();  //enforce object/range exclusivity
 560
 561         AudioRangeComparator cmp;
 562
 563         /* XXX this implementation is incorrect */
 564
 565         time.push_back (AudioRange (start, end, ++next_time_id));
 566         time.consolidate ();
 567         time.sort (cmp);
 568
 569         TimeChanged ();
 570
 571         return next_time_id;
 572 }
 573
 574 void
 575 Selection::move_time (framecnt_t distance)
 576 {
 577         if (distance == 0) {
 578                 return;
 579         }
 580
 581         for (list<AudioRange>::iterator i = time.begin(); i != time.end(); ++i) {
 582                 (*i).start += distance;
 583                 (*i).end += distance;
 584         }
 585
 586         TimeChanged ();
 587 }
 588
 589 void
 590 Selection::replace (uint32_t sid, framepos_t start, framepos_t end)
 591 {
 592         clear_objects();  //enforce object/range exclusivity
 593
 594         for (list<AudioRange>::iterator i = time.begin(); i != time.end(); ++i) {
 595                 if ((*i).id == sid) {
 596                         time.erase (i);
 597                         time.push_back (AudioRange(start,end, sid));
 598
 599                         /* don't consolidate here */
 600
 601
 602                         AudioRangeComparator cmp;
 603                         time.sort (cmp);
 604
 605                         TimeChanged ();
 606                         break;
 607                 }
 608         }
 609 }
 610
 611 void
 612 Selection::add (boost::shared_ptr<Evoral::ControlList> cl)
 613 {
 614         clear_time();  //enforce object/range exclusivity
 615         clear_tracks();  //enforce object/track exclusivity
 616
 617         boost::shared_ptr<ARDOUR::AutomationList> al
 618                 = boost::dynamic_pointer_cast<ARDOUR::AutomationList>(cl);
 619         if (!al) {
 620                 warning << "Programming error: Selected list is not an ARDOUR::AutomationList" << endmsg;
 621                 return;
 622         }
 623         if (find (lines.begin(), lines.end(), al) == lines.end()) {
 624                 lines.push_back (al);
 625                 LinesChanged();
 626         }
 627 }
 628
 629 void
 630 Selection::remove (TimeAxisView* track)
 631 {
 632         list<TimeAxisView*>::iterator i;
 633         if ((i = find (tracks.begin(), tracks.end(), track)) != tracks.end()) {
 634                 track->set_selected (false);
 635                 tracks.erase (i);
 636                 if (!_no_tracks_changed) {
 637                         TracksChanged();
 638                 }
 639         }
 640 }
 641
 642 void
 643 Selection::remove (const TrackViewList& track_list)
 644 {
 645         bool changed = false;
 646
 647         for (TrackViewList::const_iterator i = track_list.begin(); i != track_list.end(); ++i) {
 648
 649                 TrackViewList::iterator x = find (tracks.begin(), tracks.end(), *i);
 650                 if (x != tracks.end()) {
 651                         (*i)->set_selected (false);
 652                         tracks.erase (x);
 653                         changed = true;
 654                 }
 655         }
 656
 657         if (changed) {
 658                 if (!_no_tracks_changed) {
 659                         TracksChanged();
 660                 }
 661         }
 662 }
 663
 664 void
 665 Selection::remove (ControlPoint* p)
 666 {
 667         PointSelection::iterator i = find (points.begin(), points.end(), p);
 668         if (i != points.end ()) {
 669                 points.erase (i);
 670         }
 671 }
 672
 673 void
 674 Selection::remove (const MidiNoteSelection& midi_list)
 675 {
 676         bool changed = false;
 677
 678         for (MidiNoteSelection::const_iterator i = midi_list.begin(); i != midi_list.end(); ++i) {
 679
 680                 MidiNoteSelection::iterator x;
 681
 682                 if ((x = find (midi_notes.begin(), midi_notes.end(), (*i))) != midi_notes.end()) {
 683                         midi_notes.erase (x);
 684                         changed = true;
 685                 }
 686         }
 687
 688         if (changed) {
 689                 MidiNotesChanged();
 690         }
 691 }
 692
 693 void
 694 Selection::remove (MidiCutBuffer* midi)
 695 {
 696         MidiNoteSelection::iterator x;
 697
 698         if ((x = find (midi_notes.begin(), midi_notes.end(), midi)) != midi_notes.end()) {
 699                 /* remember that we own the MCB */
 700                 delete *x;
 701                 midi_notes.erase (x);
 702                 MidiNotesChanged ();
 703         }
 704 }
 705
 706 void
 707 Selection::remove (boost::shared_ptr<Playlist> track)
 708 {
 709         list<boost::shared_ptr<Playlist> >::iterator i;
 710         if ((i = find (playlists.begin(), playlists.end(), track)) != playlists.end()) {
 711                 playlists.erase (i);
 712                 PlaylistsChanged();
 713         }
 714 }
 715
 716 void
 717 Selection::remove (const list<boost::shared_ptr<Playlist> >& pllist)
 718 {
 719         bool changed = false;
 720
 721         for (list<boost::shared_ptr<Playlist> >::const_iterator i = pllist.begin(); i != pllist.end(); ++i) {
 722
 723                 list<boost::shared_ptr<Playlist> >::iterator x;
 724
 725                 if ((x = find (playlists.begin(), playlists.end(), (*i))) != playlists.end()) {
 726                         playlists.erase (x);
 727                         changed = true;
 728                 }
 729         }
 730
 731         if (changed) {
 732                 PlaylistsChanged();
 733         }
 734 }
 735
 736 void
 737 Selection::remove (RegionView* r)
 738 {
 739         if (regions.remove (r)) {
 740                 RegionsChanged ();
 741         }
 742 }
 743
 744 void
 745 Selection::remove (MidiRegionView* mrv)
 746 {
 747         DEBUG_TRACE(DEBUG::Selection, string_compose("Selection::remove MRV %1\n", mrv));
 748
 749         MidiRegionSelection::iterator x;
 750
 751         if ((x = find (midi_regions.begin(), midi_regions.end(), mrv)) != midi_regions.end()) {
 752                 midi_regions.erase (x);
 753                 MidiRegionsChanged ();
 754         }
 755 }
 756
 757 void
 758 Selection::remove (uint32_t selection_id)
 759 {
 760         if (time.empty()) {
 761                 return;
 762         }
 763
 764         for (list<AudioRange>::iterator i = time.begin(); i != time.end(); ++i) {
 765                 if ((*i).id == selection_id) {
 766                         time.erase (i);
 767
 768                         TimeChanged ();
 769                         break;
 770                 }
 771         }
 772 }
 773
 774 void
 775 Selection::remove (framepos_t /*start*/, framepos_t /*end*/)
 776 {
 777 }
 778
 779 void
 780 Selection::remove (boost::shared_ptr<ARDOUR::AutomationList> ac)
 781 {
 782         AutomationSelection::iterator i;
 783         if ((i = find (lines.begin(), lines.end(), ac)) != lines.end()) {
 784                 lines.erase (i);
 785                 LinesChanged();
 786         }
 787 }
 788
 789 void
 790 Selection::set (TimeAxisView* track)
 791 {
 792         clear_objects ();  //enforce object/range exclusivity
 793         clear_tracks (false);
 794         add (track);
 795 }
 796
 797 void
 798 Selection::set (const TrackViewList& track_list)
 799 {
 800         clear_objects();  //enforce object/range exclusivity
 801         clear_tracks (false);
 802         add (track_list);
 803 }
 804
 805 void
 806 Selection::set (const MidiNoteSelection& midi_list)
 807 {
 808         clear_time ();  //enforce region/object exclusivity
 809         clear_tracks();  //enforce object/track exclusivity
 810         clear_objects ();
 811         add (midi_list);
 812 }
 813
 814 void
 815 Selection::set (boost::shared_ptr<Playlist> playlist)
 816 {
 817         clear_time ();  //enforce region/object exclusivity
 818         clear_tracks();  //enforce object/track exclusivity
 819         clear_objects ();
 820         add (playlist);
 821 }
 822
 823 void
 824 Selection::set (const list<boost::shared_ptr<Playlist> >& pllist)
 825 {
 826         clear_time();  //enforce region/object exclusivity
 827         clear_objects ();
 828         add (pllist);
 829 }
 830
 831 void
 832 Selection::set (const RegionSelection& rs)
 833 {
 834         clear_time();  //enforce region/object exclusivity
 835         clear_tracks();  //enforce object/track exclusivity
 836         clear_objects();
 837         regions = rs;
 838         RegionsChanged(); /* EMIT SIGNAL */
 839 }
 840
 841 void
 842 Selection::set (MidiRegionView* mrv)
 843 {
 844         clear_time();  //enforce region/object exclusivity
 845         clear_tracks();  //enforce object/track exclusivity
 846         clear_objects ();
 847         add (mrv);
 848 }
 849
 850 void
 851 Selection::set (RegionView* r, bool /*also_clear_tracks*/)
 852 {
 853         clear_time();  //enforce region/object exclusivity
 854         clear_tracks();  //enforce object/track exclusivity
 855         clear_objects ();
 856         add (r);
 857 }
 858
 859 void
 860 Selection::set (vector<RegionView*>& v)
 861 {
 862         clear_time();  //enforce region/object exclusivity
 863         clear_tracks();  //enforce object/track exclusivity
 864         clear_objects();
 865
 866         add (v);
 867 }
 868
 869 /** Set the start and end time of the time selection, without changing
 870  *  the list of tracks it applies to.
 871  */
 872 long
 873 Selection::set (framepos_t start, framepos_t end)
 874 {
 875         clear_objects();  //enforce region/object exclusivity
 876         clear_time();
 877
 878         if ((start == 0 && end == 0) || end < start) {
 879                 return 0;
 880         }
 881
 882         if (time.empty()) {
 883                 time.push_back (AudioRange (start, end, ++next_time_id));
 884         } else {
 885                 /* reuse the first entry, and remove all the rest */
 886
 887                 while (time.size() > 1) {
 888                         time.pop_front();
 889                 }
 890                 time.front().start = start;
 891                 time.front().end = end;
 892         }
 893
 894         time.consolidate ();
 895
 896         TimeChanged ();
 897
 898         return time.front().id;
 899 }
 900
 901 /** Set the start and end of the range selection.  If more than one range
 902  *  is currently selected, the start of the earliest range and the end of the
 903  *  latest range are set.  If no range is currently selected, this method
 904  *  selects a single range from start to end.
 905  *
 906  *  @param start New start time.
 907  *  @param end New end time.
 908  */
 909 void
 910 Selection::set_preserving_all_ranges (framepos_t start, framepos_t end)
 911 {
 912         clear_objects();  //enforce region/object exclusivity
 913
 914         if ((start == 0 && end == 0) || (end < start)) {
 915                 return;
 916         }
 917
 918         if (time.empty ()) {
 919                 time.push_back (AudioRange (start, end, ++next_time_id));
 920         } else {
 921                 time.sort (AudioRangeComparator ());
 922                 time.front().start = start;
 923                 time.back().end = end;
 924         }
 925
 926         time.consolidate ();
 927
 928         TimeChanged ();
 929 }
 930
 931 void
 932 Selection::set (boost::shared_ptr<Evoral::ControlList> ac)
 933 {
 934         clear_time();  //enforce region/object exclusivity
 935         clear_tracks();  //enforce object/track exclusivity
 936         clear_objects();
 937
 938         add (ac);
 939 }
 940
 941 bool
 942 Selection::selected (ArdourMarker* m)
 943 {
 944         return find (markers.begin(), markers.end(), m) != markers.end();
 945 }
 946
 947 bool
 948 Selection::selected (TimeAxisView* tv)
 949 {
 950         return tv->get_selected ();
 951 }
 952
 953 bool
 954 Selection::selected (RegionView* rv)
 955 {
 956         return find (regions.begin(), regions.end(), rv) != regions.end();
 957 }
 958
 959 bool
 960 Selection::selected (ControlPoint* cp)
 961 {
 962         return find (points.begin(), points.end(), cp) != points.end();
 963 }
 964
 965 bool
 966 Selection::empty (bool internal_selection)
 967 {
 968         bool object_level_empty =  regions.empty () &&
 969                 tracks.empty () &&
 970                 points.empty () &&
 971                 playlists.empty () &&
 972                 lines.empty () &&
 973                 time.empty () &&
 974                 playlists.empty () &&
 975                 markers.empty() &&
 976                 midi_regions.empty()
 977                 ;
 978
 979         if (!internal_selection) {
 980                 return object_level_empty;
 981         }
 982
 983         /* this is intended to really only apply when using a Selection
 984            as a cut buffer.
 985         */
 986
 987         return object_level_empty && midi_notes.empty() && points.empty();
 988 }
 989
 990 void
 991 Selection::toggle (ControlPoint* cp)
 992 {
 993         clear_time();  //enforce region/object exclusivity
 994         clear_tracks();  //enforce object/track exclusivity
 995
 996         cp->set_selected (!cp->get_selected ());
 997         PointSelection::iterator i = find (points.begin(), points.end(), cp);
 998         if (i == points.end()) {
 999                 points.push_back (cp);
1000         } else {
1001                 points.erase (i);
1002         }
1003
1004         PointsChanged (); /* EMIT SIGNAL */
1005 }
1006
1007 void
1008 Selection::toggle (vector<ControlPoint*> const & cps)
1009 {
1010         clear_time();  //enforce region/object exclusivity
1011         clear_tracks();  //enforce object/track exclusivity
1012
1013         for (vector<ControlPoint*>::const_iterator i = cps.begin(); i != cps.end(); ++i) {
1014                 toggle (*i);
1015         }
1016 }
1017
1018 void
1019 Selection::toggle (list<Selectable*> const & selectables)
1020 {
1021         clear_time();  //enforce region/object exclusivity
1022         clear_tracks();  //enforce object/track exclusivity
1023
1024         RegionView* rv;
1025         ControlPoint* cp;
1026         vector<RegionView*> rvs;
1027         vector<ControlPoint*> cps;
1028
1029         for (std::list<Selectable*>::const_iterator i = selectables.begin(); i != selectables.end(); ++i) {
1030                 if ((rv = dynamic_cast<RegionView*> (*i)) != 0) {
1031                         rvs.push_back (rv);
1032                 } else if ((cp = dynamic_cast<ControlPoint*> (*i)) != 0) {
1033                         cps.push_back (cp);
1034                 } else {
1035                         fatal << _("programming error: ")
1036                               << X_("unknown selectable type passed to Selection::toggle()")
1037                               << endmsg;
1038                         abort(); /*NOTREACHED*/
1039                 }
1040         }
1041
1042         if (!rvs.empty()) {
1043                 toggle (rvs);
1044         }
1045
1046         if (!cps.empty()) {
1047                 toggle (cps);
1048         }
1049 }
1050
1051 void
1052 Selection::set (list<Selectable*> const & selectables)
1053 {
1054         clear_time ();  //enforce region/object exclusivity
1055         clear_tracks();  //enforce object/track exclusivity
1056         clear_objects ();
1057
1058         add (selectables);
1059 }
1060
1061 void
1062 Selection::add (PointSelection const & s)
1063 {
1064         clear_time ();  //enforce region/object exclusivity
1065         clear_tracks();  //enforce object/track exclusivity
1066
1067         for (PointSelection::const_iterator i = s.begin(); i != s.end(); ++i) {
1068                 points.push_back (*i);
1069         }
1070 }
1071
1072 void
1073 Selection::add (list<Selectable*> const & selectables)
1074 {
1075         clear_time ();  //enforce region/object exclusivity
1076         clear_tracks();  //enforce object/track exclusivity
1077
1078         RegionView* rv;
1079         ControlPoint* cp;
1080         vector<RegionView*> rvs;
1081         vector<ControlPoint*> cps;
1082
1083         for (std::list<Selectable*>::const_iterator i = selectables.begin(); i != selectables.end(); ++i) {
1084                 if ((rv = dynamic_cast<RegionView*> (*i)) != 0) {
1085                         rvs.push_back (rv);
1086                 } else if ((cp = dynamic_cast<ControlPoint*> (*i)) != 0) {
1087                         cps.push_back (cp);
1088                 } else {
1089                         fatal << _("programming error: ")
1090                               << X_("unknown selectable type passed to Selection::add()")
1091                               << endmsg;
1092                         abort(); /*NOTREACHED*/
1093                 }
1094         }
1095
1096         if (!rvs.empty()) {
1097                 add (rvs);
1098         }
1099
1100         if (!cps.empty()) {
1101                 add (cps);
1102         }
1103 }
1104
1105 void
1106 Selection::clear_points (bool with_signal)
1107 {
1108         if (!points.empty()) {
1109                 points.clear ();
1110                 if (with_signal) {
1111                         PointsChanged ();
1112                 }
1113         }
1114 }
1115
1116 void
1117 Selection::add (ControlPoint* cp)
1118 {
1119         clear_time ();  //enforce region/object exclusivity
1120         clear_tracks();  //enforce object/track exclusivity
1121
1122         cp->set_selected (true);
1123         points.push_back (cp);
1124         PointsChanged (); /* EMIT SIGNAL */
1125 }
1126
1127 void
1128 Selection::add (vector<ControlPoint*> const & cps)
1129 {
1130         clear_time ();  //enforce region/object exclusivity
1131         clear_tracks();  //enforce object/track exclusivity
1132
1133         for (vector<ControlPoint*>::const_iterator i = cps.begin(); i != cps.end(); ++i) {
1134                 (*i)->set_selected (true);
1135                 points.push_back (*i);
1136         }
1137         PointsChanged (); /* EMIT SIGNAL */
1138 }
1139
1140 void
1141 Selection::set (ControlPoint* cp)
1142 {
1143         clear_time ();  //enforce region/object exclusivity
1144         clear_tracks();  //enforce object/track exclusivity
1145
1146         if (cp->get_selected () && points.size () == 1) {
1147                 return;
1148         }
1149
1150         for (uint32_t i = 0; i < cp->line().npoints(); ++i) {
1151                 cp->line().nth (i)->set_selected (false);
1152         }
1153
1154         clear_objects ();
1155         add (cp);
1156 }
1157
1158 void
1159 Selection::set (ArdourMarker* m)
1160 {
1161         clear_time ();  //enforce region/object exclusivity
1162         clear_tracks();  //enforce object/track exclusivity
1163         markers.clear ();
1164
1165         add (m);
1166 }
1167
1168 void
1169 Selection::toggle (ArdourMarker* m)
1170 {
1171         MarkerSelection::iterator i;
1172
1173         if ((i = find (markers.begin(), markers.end(), m)) == markers.end()) {
1174                 add (m);
1175         } else {
1176                 remove (m);
1177         }
1178 }
1179
1180 void
1181 Selection::remove (ArdourMarker* m)
1182 {
1183         MarkerSelection::iterator i;
1184
1185         if ((i = find (markers.begin(), markers.end(), m)) != markers.end()) {
1186                 markers.erase (i);
1187                 MarkersChanged();
1188         }
1189 }
1190
1191 void
1192 Selection::add (ArdourMarker* m)
1193 {
1194         clear_time ();  //enforce region/object exclusivity
1195         clear_tracks();  //enforce object/track exclusivity
1196
1197         if (find (markers.begin(), markers.end(), m) == markers.end()) {
1198                 markers.push_back (m);
1199                 MarkersChanged();
1200         }
1201 }
1202
1203 void
1204 Selection::add (const list<ArdourMarker*>& m)
1205 {
1206         clear_time ();  //enforce region/object exclusivity
1207         clear_tracks();  //enforce object/track exclusivity
1208
1209         markers.insert (markers.end(), m.begin(), m.end());
1210         markers.sort ();
1211         markers.unique ();
1212
1213         MarkersChanged ();
1214 }
1215
1216 void
1217 MarkerSelection::range (framepos_t& s, framepos_t& e)
1218 {
1219         s = max_framepos;
1220         e = 0;
1221
1222         for (MarkerSelection::iterator i = begin(); i != end(); ++i) {
1223
1224                 if ((*i)->position() < s) {
1225                         s = (*i)->position();
1226                 }
1227
1228                 if ((*i)->position() > e) {
1229                         e = (*i)->position();
1230                 }
1231         }
1232
1233         s = std::min (s, e);
1234         e = std::max (s, e);
1235 }
1236
1237 XMLNode&
1238 Selection::get_state () const
1239 {
1240         /* XXX: not complete; just sufficient to get track selection state
1241            so that re-opening plugin windows for editor mixer strips works
1242         */
1243
1244         char buf[32];
1245         XMLNode* node = new XMLNode (X_("Selection"));
1246
1247         for (TrackSelection::const_iterator i = tracks.begin(); i != tracks.end(); ++i) {
1248                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*i);
1249                 AutomationTimeAxisView* atv = dynamic_cast<AutomationTimeAxisView*> (*i);
1250                 if (rtv) {
1251                         XMLNode* t = node->add_child (X_("RouteView"));
1252                         t->add_property (X_("id"), atoi (rtv->route()->id().to_s().c_str()));
1253                 } else if (atv) {
1254                         XMLNode* t = node->add_child (X_("AutomationView"));
1255                         t->add_property (X_("id"), atoi (atv->parent_route()->id().to_s().c_str()));
1256                         t->add_property (X_("parameter"), EventTypeMap::instance().to_symbol (atv->parameter ()));
1257                 }
1258         }
1259
1260         for (RegionSelection::const_iterator i = regions.begin(); i != regions.end(); ++i) {
1261                 XMLNode* r = node->add_child (X_("Region"));
1262                 r->add_property (X_("id"), atoi ((*i)->region ()->id ().to_s ().c_str()));
1263         }
1264
1265         /* midi region views have thir own internal selection. */
1266         XMLNode* n = NULL;
1267         list<pair<PBD::ID, std::set<boost::shared_ptr<Evoral::Note<Evoral::Beats> > > > > rid_notes;
1268         editor->get_per_region_note_selection (rid_notes);
1269         if (!rid_notes.empty()) {
1270                 n = node->add_child (X_("MIDINote"));
1271         }
1272         list<pair<PBD::ID, std::set<boost::shared_ptr<Evoral::Note<Evoral::Beats> > > > >::iterator rn_it;
1273         for (rn_it = rid_notes.begin(); rn_it != rid_notes.end(); ++rn_it) {
1274                 assert(n); // hint for clang static analysis
1275                 n->add_property (X_("region_id"), atoi((*rn_it).first.to_s().c_str()));
1276
1277                 for (std::set<boost::shared_ptr<Evoral::Note<Evoral::Beats> > >::iterator i = (*rn_it).second.begin(); i != (*rn_it).second.end(); ++i) {
1278                         XMLNode* nc = n->add_child(X_("note"));
1279                         snprintf(buf, sizeof(buf), "%d", (*i)->channel());
1280                         nc->add_property(X_("channel"), string(buf));
1281
1282                         snprintf(buf, sizeof(buf), "%f", (*i)->time().to_double());
1283                         nc->add_property(X_("time"), string(buf));
1284
1285                         snprintf(buf, sizeof(buf), "%d", (*i)->note());
1286                         nc->add_property(X_("note"), string(buf));
1287
1288                         snprintf(buf, sizeof(buf), "%f", (*i)->length().to_double());
1289                         nc->add_property(X_("length"), string(buf));
1290
1291                         snprintf(buf, sizeof(buf), "%d", (*i)->velocity());
1292                         nc->add_property(X_("velocity"), string(buf));
1293
1294                         snprintf(buf, sizeof(buf), "%d", (*i)->off_velocity());
1295                         nc->add_property(X_("off-velocity"), string(buf));
1296                 }
1297         }
1298
1299         for (PointSelection::const_iterator i = points.begin(); i != points.end(); ++i) {
1300                 AutomationTimeAxisView* atv = dynamic_cast<AutomationTimeAxisView*> (&(*i)->line().trackview);
1301                 if (atv) {
1302
1303                         XMLNode* r = node->add_child (X_("ControlPoint"));
1304                         r->add_property (X_("type"), "track");
1305                         r->add_property (X_("route-id"), atoi (atv->parent_route()->id ().to_s ().c_str()));
1306                         r->add_property (X_("automation-list-id"), atoi ((*i)->line().the_list()->id ().to_s ().c_str()));
1307                         r->add_property (X_("parameter"), EventTypeMap::instance().to_symbol ((*i)->line().the_list()->parameter ()));
1308
1309                         snprintf(buf, sizeof(buf), "%d", (*i)->view_index());
1310                         r->add_property (X_("view-index"), string(buf));
1311                         continue;
1312                 }
1313
1314                 AudioRegionGainLine* argl = dynamic_cast<AudioRegionGainLine*> (&(*i)->line());
1315                 if (argl) {
1316                         XMLNode* r = node->add_child (X_("ControlPoint"));
1317                         r->add_property (X_("type"), "region");
1318                         r->add_property (X_("region-id"), atoi (argl->region_view ().region ()->id ().to_s ().c_str()));
1319                         snprintf(buf, sizeof(buf), "%d", (*i)->view_index());
1320                         r->add_property (X_("view-index"), string(buf));
1321                 }
1322
1323         }
1324
1325         for (TimeSelection::const_iterator i = time.begin(); i != time.end(); ++i) {
1326                 XMLNode* t = node->add_child (X_("AudioRange"));
1327                 snprintf(buf, sizeof(buf), "%" PRId64, (*i).start);
1328                 t->add_property (X_("start"), string(buf));
1329                 snprintf(buf, sizeof(buf), "%" PRId64, (*i).end);
1330                 t->add_property (X_("end"), string(buf));
1331         }
1332
1333         for (MarkerSelection::const_iterator i = markers.begin(); i != markers.end(); ++i) {
1334                 XMLNode* t = node->add_child (X_("Marker"));
1335
1336                 bool is_start;
1337                 Location* loc = editor->find_location_from_marker (*i, is_start);
1338
1339                 t->add_property (X_("id"), atoi (loc->id().to_s().c_str()));
1340                 t->add_property (X_("start"), is_start ? X_("yes") : X_("no"));
1341         }
1342
1343         return *node;
1344 }
1345
1346 int
1347 Selection::set_state (XMLNode const & node, int)
1348 {
1349         if (node.name() != X_("Selection")) {
1350                 return -1;
1351         }
1352
1353         clear_regions ();
1354         clear_midi_notes ();
1355         clear_points ();
1356         clear_time ();
1357         clear_tracks ();
1358         clear_markers ();
1359
1360         XMLNodeList children = node.children ();
1361         for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
1362                 if ((*i)->name() == X_("RouteView")) {
1363
1364                         XMLProperty* prop_id = (*i)->property (X_("id"));
1365                         assert (prop_id);
1366                         PBD::ID id (prop_id->value ());
1367                         RouteTimeAxisView* rtv = editor->get_route_view_by_route_id (id);
1368                         if (rtv) {
1369                                 add (rtv);
1370                         }
1371
1372                 } else if ((*i)->name() == X_("Region")) {
1373                         XMLProperty* prop_id = (*i)->property (X_("id"));
1374                         assert (prop_id);
1375                         PBD::ID id (prop_id->value ());
1376
1377                         RegionSelection rs;
1378                         editor->get_regionviews_by_id (id, rs);
1379
1380                         if (!rs.empty ()) {
1381                                 add (rs);
1382                         } else {
1383                                 /*
1384                                   regionviews haven't been constructed - stash the region IDs
1385                                   so we can identify them in Editor::region_view_added ()
1386                                 */
1387                                 regions.pending.push_back (id);
1388                         }
1389
1390                 } else if ((*i)->name() == X_("MIDINote")) {
1391                         XMLProperty* prop_region_id = (*i)->property (X_("region-id"));
1392
1393                         assert (prop_region_id);
1394
1395                         PBD::ID const id (prop_region_id->value ());
1396                         RegionSelection rs;
1397
1398                         editor->get_regionviews_by_id (id, rs); // there could be more than one
1399
1400                         std::list<boost::shared_ptr<Evoral::Note<Evoral::Beats> > > notes;
1401                         XMLNodeList children = (*i)->children ();
1402
1403                         for (XMLNodeList::const_iterator ci = children.begin(); ci != children.end(); ++ci) {
1404                                 XMLProperty* prop_channel = (*ci)->property (X_("channel"));
1405                                 XMLProperty* prop_time = (*ci)->property (X_("time"));
1406                                 XMLProperty* prop_note = (*ci)->property (X_("note"));
1407                                 XMLProperty* prop_length = (*ci)->property (X_("length"));
1408                                 XMLProperty* prop_velocity = (*ci)->property (X_("velocity"));
1409                                 XMLProperty* prop_off_velocity = (*ci)->property (X_("off-velocity"));
1410
1411                                 assert (prop_channel);
1412                                 assert (prop_time);
1413                                 assert (prop_note);
1414                                 assert (prop_length);
1415                                 assert (prop_velocity);
1416                                 assert (prop_off_velocity);
1417
1418                                 uint8_t channel = atoi(prop_channel->value());
1419                                 Evoral::Beats time (atof(prop_time->value()));
1420                                 Evoral::Beats length (atof(prop_length->value()));
1421                                 uint8_t note = atoi(prop_note->value());
1422                                 uint8_t velocity = atoi(prop_velocity->value());
1423                                 uint8_t off_velocity = atoi(prop_off_velocity->value());
1424                                 boost::shared_ptr<Evoral::Note<Evoral::Beats> > the_note
1425                                         (new Evoral::Note<Evoral::Beats>  (channel, time, length, note, velocity));
1426                                 the_note->set_off_velocity (off_velocity);
1427
1428                                 notes.push_back (the_note);
1429                         }
1430
1431                         for (RegionSelection::iterator rsi = rs.begin(); rsi != rs.end(); ++rsi) {
1432                                 MidiRegionView* mrv = dynamic_cast<MidiRegionView*> (*rsi);
1433                                 if (mrv) {
1434                                         mrv->select_notes(notes);
1435                                 }
1436                         }
1437
1438                         if (rs.empty()) {
1439                                 /* regionviews containing these notes don't yet exist on the canvas.*/
1440                                 pending_midi_note_selection.push_back (make_pair (id, notes));
1441                         }
1442
1443                 } else if  ((*i)->name() == X_("ControlPoint")) {
1444                         XMLProperty* prop_type = (*i)->property (X_("type"));
1445
1446                         assert(prop_type);
1447
1448                         if (prop_type->value () == "track") {
1449
1450                                 XMLProperty* prop_route_id = (*i)->property (X_("route-id"));
1451                                 XMLProperty* prop_alist_id = (*i)->property (X_("automation-list-id"));
1452                                 XMLProperty* prop_parameter = (*i)->property (X_("parameter"));
1453                                 XMLProperty* prop_view_index = (*i)->property (X_("view-index"));
1454
1455                                 assert (prop_route_id);
1456                                 assert (prop_alist_id);
1457                                 assert (prop_parameter);
1458                                 assert (prop_view_index);
1459
1460                                 PBD::ID route_id (prop_route_id->value ());
1461                                 RouteTimeAxisView* rtv = editor->get_route_view_by_route_id (route_id);
1462                                 vector <ControlPoint *> cps;
1463
1464                                 if (rtv) {
1465                                         boost::shared_ptr<AutomationTimeAxisView> atv = rtv->automation_child (EventTypeMap::instance().from_symbol (prop_parameter->value ()));
1466                                         if (atv) {
1467                                                 list<boost::shared_ptr<AutomationLine> > lines = atv->lines();
1468                                                 for (list<boost::shared_ptr<AutomationLine> > ::iterator li = lines.begin(); li != lines.end(); ++li) {
1469                                                         if ((*li)->the_list()->id() == prop_alist_id->value()) {
1470                                                                 ControlPoint* cp = (*li)->nth(atol(prop_view_index->value().c_str()));
1471                                                                 if (cp) {
1472                                                                         cps.push_back (cp);
1473                                                                         cp->show();
1474                                                                 }
1475                                                         }
1476                                                 }
1477                                         }
1478                                 }
1479                                 if (!cps.empty()) {
1480                                         add (cps);
1481                                 }
1482                         } else if (prop_type->value () == "region") {
1483                                 XMLProperty* prop_region_id = (*i)->property (X_("region-id"));
1484                                 XMLProperty* prop_view_index = (*i)->property (X_("view-index"));
1485
1486                                 if (!prop_region_id || !prop_view_index) {
1487                                         continue;
1488                                 }
1489
1490                                 PBD::ID region_id (prop_region_id->value ());
1491                                 RegionSelection rs;
1492                                 editor->get_regionviews_by_id (region_id, rs);
1493
1494                                 if (!rs.empty ()) {
1495                                         vector <ControlPoint *> cps;
1496                                         for (RegionSelection::iterator rsi = rs.begin(); rsi != rs.end(); ++rsi) {
1497                                                 AudioRegionView* arv = dynamic_cast<AudioRegionView*> (*rsi);
1498                                                 if (arv) {
1499                                                         boost::shared_ptr<AudioRegionGainLine> gl = arv->get_gain_line ();
1500                                                         ControlPoint* cp = gl->nth(atol(prop_view_index->value().c_str()));
1501                                                         if (cp) {
1502                                                                 cps.push_back (cp);
1503                                                                 cp->show();
1504                                                         }
1505                                                 }
1506                                         }
1507                                         if (!cps.empty()) {
1508                                                 add (cps);
1509                                         }
1510                                 }
1511                         }
1512
1513                 } else if  ((*i)->name() == X_("AudioRange")) {
1514                         XMLProperty* prop_start = (*i)->property (X_("start"));
1515                         XMLProperty* prop_end = (*i)->property (X_("end"));
1516
1517                         assert (prop_start);
1518                         assert (prop_end);
1519
1520                         framepos_t s (atol (prop_start->value ().c_str()));
1521                         framepos_t e (atol (prop_end->value ().c_str()));
1522
1523                         set_preserving_all_ranges (s, e);
1524
1525                 } else if ((*i)->name() == X_("AutomationView")) {
1526
1527                         XMLProperty* prop_id = (*i)->property (X_("id"));
1528                         XMLProperty* prop_parameter = (*i)->property (X_("parameter"));
1529
1530                         assert (prop_id);
1531                         assert (prop_parameter);
1532
1533                         PBD::ID id (prop_id->value ());
1534                         RouteTimeAxisView* rtv = editor->get_route_view_by_route_id (id);
1535
1536                         if (rtv) {
1537                                 boost::shared_ptr<AutomationTimeAxisView> atv = rtv->automation_child (EventTypeMap::instance().from_symbol (prop_parameter->value ()));
1538
1539                                 /* the automation could be for an entity that was never saved
1540                                    in the session file. Don't freak out if we can't find
1541                                    it.
1542                                 */
1543
1544                                 if (atv) {
1545                                         add (atv.get());
1546                                 }
1547                         }
1548
1549                 } else if ((*i)->name() == X_("Marker")) {
1550
1551                         XMLProperty* prop_id = (*i)->property (X_("id"));
1552                         XMLProperty* prop_start = (*i)->property (X_("start"));
1553                         assert (prop_id);
1554                         assert (prop_start);
1555
1556                         PBD::ID id (prop_id->value ());
1557                         ArdourMarker* m = editor->find_marker_from_location_id (id, string_is_affirmative (prop_start->value ()));
1558                         if (m) {
1559                                 add (m);
1560                         }
1561
1562                 }
1563
1564         }
1565
1566         return 0;
1567 }
1568
1569 void
1570 Selection::remove_regions (TimeAxisView* t)
1571 {
1572         RegionSelection::iterator i = regions.begin();
1573         while (i != regions.end ()) {
1574                 RegionSelection::iterator tmp = i;
1575                 ++tmp;
1576
1577                 if (&(*i)->get_time_axis_view() == t) {
1578                         remove (*i);
1579                 }
1580
1581                 i = tmp;
1582         }
1583 }
1584
1585 void
1586 Selection::block_tracks_changed (bool yn)
1587 {
1588         _no_tracks_changed = yn;
1589 }