gtk2_ardour/editor_ops.cc

   1 /*
   2     Copyright (C) 2000-2004 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 /* Note: public Editor methods are documented in public_editor.h */
  21
  22 #include <unistd.h>
  23
  24 #include <cstdlib>
  25 #include <cmath>
  26 #include <string>
  27 #include <map>
  28 #include <set>
  29
  30 #include "pbd/error.h"
  31 #include "pbd/basename.h"
  32 #include "pbd/pthread_utils.h"
  33 #include "pbd/memento_command.h"
  34 #include "pbd/whitespace.h"
  35
  36 #include <gtkmm2ext/utils.h>
  37 #include <gtkmm2ext/choice.h>
  38 #include <gtkmm2ext/popup.h>
  39
  40 #include "ardour/audioengine.h"
  41 #include "ardour/session.h"
  42 #include "ardour/audioplaylist.h"
  43 #include "ardour/audioregion.h"
  44 #include "ardour/audio_diskstream.h"
  45 #include "ardour/utils.h"
  46 #include "ardour/location.h"
  47 #include "ardour/audio_track.h"
  48 #include "ardour/audioplaylist.h"
  49 #include "ardour/region_factory.h"
  50 #include "ardour/playlist_factory.h"
  51 #include "ardour/reverse.h"
  52 #include "ardour/transient_detector.h"
  53 #include "ardour/dB.h"
  54 #include "ardour/quantize.h"
  55 #include "ardour/strip_silence.h"
  56 #include "ardour/route_group.h"
  57
  58 #include "ardour_ui.h"
  59 #include "editor.h"
  60 #include "time_axis_view.h"
  61 #include "route_time_axis.h"
  62 #include "audio_time_axis.h"
  63 #include "automation_time_axis.h"
  64 #include "streamview.h"
  65 #include "audio_streamview.h"
  66 #include "audio_region_view.h"
  67 #include "midi_region_view.h"
  68 #include "rgb_macros.h"
  69 #include "selection_templates.h"
  70 #include "selection.h"
  71 #include "editing.h"
  72 #include "gtk-custom-hruler.h"
  73 #include "gui_thread.h"
  74 #include "keyboard.h"
  75 #include "utils.h"
  76 #include "editor_drag.h"
  77 #include "strip_silence_dialog.h"
  78 #include "editor_routes.h"
  79 #include "editor_regions.h"
  80 #include "quantize_dialog.h"
  81
  82 #include "i18n.h"
  83
  84 using namespace std;
  85 using namespace ARDOUR;
  86 using namespace PBD;
  87 using namespace sigc;
  88 using namespace Gtk;
  89 using namespace Gtkmm2ext;
  90 using namespace Editing;
  91 using Gtkmm2ext::Keyboard;
  92
  93 /***********************************************************************
  94   Editor operations
  95  ***********************************************************************/
  96
  97 void
  98 Editor::undo (uint32_t n)
  99 {
 100         if (session) {
 101                 session->undo (n);
 102         }
 103 }
 104
 105 void
 106 Editor::redo (uint32_t n)
 107 {
 108         if (session) {
 109                 session->redo (n);
 110         }
 111 }
 112
 113 void
 114 Editor::split_regions_at (nframes64_t where, RegionSelection& regions)
 115 {
 116         list <boost::shared_ptr<Playlist > > used_playlists;
 117
 118         if (regions.empty()) {
 119                 return;
 120         }
 121
 122         begin_reversible_command (_("split"));
 123
 124         // if splitting a single region, and snap-to is using
 125         // region boundaries, don't pay attention to them
 126
 127         if (regions.size() == 1) {
 128                 switch (_snap_type) {
 129                 case SnapToRegionStart:
 130                 case SnapToRegionSync:
 131                 case SnapToRegionEnd:
 132                         break;
 133                 default:
 134                         snap_to (where);
 135                 }
 136         } else {
 137                 snap_to (where);
 138         }
 139
 140         for (RegionSelection::iterator a = regions.begin(); a != regions.end(); ) {
 141
 142                 RegionSelection::iterator tmp;
 143
 144                 /* XXX this test needs to be more complicated, to make sure we really
 145                    have something to split.
 146                 */
 147
 148                 if (!(*a)->region()->covers (where)) {
 149                         ++a;
 150                         continue;
 151                 }
 152
 153                 tmp = a;
 154                 ++tmp;
 155
 156                 boost::shared_ptr<Playlist> pl = (*a)->region()->playlist();
 157
 158                 if (! pl->frozen()) {
 159                         /* we haven't seen this playlist before */
 160
 161                         /* remember used playlists so we can thaw them later */
 162                         used_playlists.push_back(pl);
 163                         pl->freeze();
 164                 }
 165
 166                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*a);
 167                 if (arv) {
 168                         _new_regionviews_show_envelope = arv->envelope_visible();
 169                 }
 170
 171                 if (pl) {
 172                         XMLNode &before = pl->get_state();
 173                         pl->split_region ((*a)->region(), where);
 174                         XMLNode &after = pl->get_state();
 175                         session->add_command(new MementoCommand<Playlist>(*pl, &before, &after));
 176                 }
 177
 178                 a = tmp;
 179         }
 180
 181         while (used_playlists.size() > 0) {
 182                 list <boost::shared_ptr<Playlist > >::iterator i = used_playlists.begin();
 183                 (*i)->thaw();
 184                 used_playlists.pop_front();
 185         }
 186
 187         commit_reversible_command ();
 188         _new_regionviews_show_envelope = false;
 189 }
 190
 191 boost::shared_ptr<Region>
 192 Editor::select_region_for_operation (int /*dir*/, TimeAxisView **tv)
 193 {
 194         RegionView* rv;
 195         boost::shared_ptr<Region> region;
 196         nframes64_t start = 0;
 197
 198         if (selection->time.start () == selection->time.end_frame ()) {
 199
 200                 /* no current selection-> is there a selected regionview? */
 201
 202                 if (selection->regions.empty()) {
 203                         return region;
 204                 }
 205
 206         }
 207
 208         if (!selection->regions.empty()) {
 209
 210                 rv = *(selection->regions.begin());
 211                 (*tv) = &rv->get_time_axis_view();
 212                 region = rv->region();
 213
 214         } else if (!selection->tracks.empty()) {
 215
 216                 (*tv) = selection->tracks.front();
 217
 218                 RouteTimeAxisView* rtv;
 219
 220                 if ((rtv = dynamic_cast<RouteTimeAxisView*> (*tv)) != 0) {
 221                         boost::shared_ptr<Playlist> pl;
 222
 223                         if ((pl = rtv->playlist()) == 0) {
 224                                 return region;
 225                         }
 226
 227                         region = pl->top_region_at (start);
 228                 }
 229         }
 230
 231         return region;
 232 }
 233
 234 void
 235 Editor::extend_selection_to_end_of_region (bool next)
 236 {
 237         TimeAxisView *tv;
 238         boost::shared_ptr<Region> region;
 239         nframes64_t start;
 240
 241         if ((region = select_region_for_operation (next ? 1 : 0, &tv)) == 0) {
 242                 return;
 243         }
 244
 245         if (region && selection->time.start () == selection->time.end_frame ()) {
 246                 start = region->position();
 247         } else {
 248                 start = selection->time.start ();
 249         }
 250
 251         /* Try to leave the selection with the same route if possible */
 252
 253         if ((tv = selection->time.track) == 0) {
 254                 return;
 255         }
 256
 257         begin_reversible_command (_("extend selection"));
 258         selection->set (tv, start, region->position() + region->length());
 259         commit_reversible_command ();
 260 }
 261
 262 void
 263 Editor::extend_selection_to_start_of_region (bool previous)
 264 {
 265         TimeAxisView *tv;
 266         boost::shared_ptr<Region> region;
 267         nframes64_t end;
 268
 269         if ((region = select_region_for_operation (previous ? -1 : 0, &tv)) == 0) {
 270                 return;
 271         }
 272
 273         if (region && selection->time.start () == selection->time.end_frame ()) {
 274                 end = region->position() + region->length();
 275         } else {
 276                 end = selection->time.end_frame ();
 277         }
 278
 279         /* Try to leave the selection with the same route if possible */
 280
 281         if ((tv = selection->time.track) == 0) {
 282                 return;
 283         }
 284
 285         begin_reversible_command (_("extend selection"));
 286         selection->set (tv, region->position(), end);
 287         commit_reversible_command ();
 288 }
 289
 290 bool
 291 Editor::nudge_forward_release (GdkEventButton* ev)
 292 {
 293         if (ev->state & Keyboard::PrimaryModifier) {
 294                 nudge_forward (false, true);
 295         } else {
 296                 nudge_forward (false, false);
 297         }
 298         return false;
 299 }
 300
 301 bool
 302 Editor::nudge_backward_release (GdkEventButton* ev)
 303 {
 304         if (ev->state & Keyboard::PrimaryModifier) {
 305                 nudge_backward (false, true);
 306         } else {
 307                 nudge_backward (false, false);
 308         }
 309         return false;
 310 }
 311
 312
 313 void
 314 Editor::nudge_forward (bool next, bool force_playhead)
 315 {
 316         nframes64_t distance;
 317         nframes64_t next_distance;
 318         RegionSelection rs;
 319
 320         get_regions_for_action (rs);
 321
 322         if (!session) return;
 323
 324         if (!force_playhead && !rs.empty()) {
 325
 326                 begin_reversible_command (_("nudge regions forward"));
 327
 328                 for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
 329                         boost::shared_ptr<Region> r ((*i)->region());
 330
 331                         distance = get_nudge_distance (r->position(), next_distance);
 332
 333                         if (next) {
 334                                 distance = next_distance;
 335                         }
 336
 337                         XMLNode &before = r->playlist()->get_state();
 338                         r->set_position (r->position() + distance, this);
 339                         XMLNode &after = r->playlist()->get_state();
 340                         session->add_command (new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
 341                 }
 342
 343                 commit_reversible_command ();
 344
 345
 346         } else if (!force_playhead && !selection->markers.empty()) {
 347
 348                 bool is_start;
 349
 350                 begin_reversible_command (_("nudge location forward"));
 351
 352                 for (MarkerSelection::iterator i = selection->markers.begin(); i != selection->markers.end(); ++i) {
 353
 354                         Location* loc = find_location_from_marker ((*i), is_start);
 355
 356                         if (loc) {
 357
 358                                 XMLNode& before (loc->get_state());
 359
 360                                 if (is_start) {
 361                                         distance = get_nudge_distance (loc->start(), next_distance);
 362                                         if (next) {
 363                                                 distance = next_distance;
 364                                         }
 365                                         if (max_frames - distance > loc->start() + loc->length()) {
 366                                                 loc->set_start (loc->start() + distance);
 367                                         } else {
 368                                                 loc->set_start (max_frames - loc->length());
 369                                         }
 370                                 } else {
 371                                         distance = get_nudge_distance (loc->end(), next_distance);
 372                                         if (next) {
 373                                                 distance = next_distance;
 374                                         }
 375                                         if (max_frames - distance > loc->end()) {
 376                                                 loc->set_end (loc->end() + distance);
 377                                         } else {
 378                                                 loc->set_end (max_frames);
 379                                         }
 380                                 }
 381                                 XMLNode& after (loc->get_state());
 382                                 session->add_command (new MementoCommand<Location>(*loc, &before, &after));
 383                         }
 384                 }
 385
 386                 commit_reversible_command ();
 387
 388         } else {
 389                 distance = get_nudge_distance (playhead_cursor->current_frame, next_distance);
 390                 session->request_locate (playhead_cursor->current_frame + distance);
 391         }
 392 }
 393
 394 void
 395 Editor::nudge_backward (bool next, bool force_playhead)
 396 {
 397         nframes64_t distance;
 398         nframes64_t next_distance;
 399         RegionSelection rs;
 400
 401         get_regions_for_action (rs);
 402
 403         if (!session) return;
 404
 405         if (!force_playhead && !rs.empty()) {
 406
 407                 begin_reversible_command (_("nudge regions backward"));
 408
 409                 for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
 410                         boost::shared_ptr<Region> r ((*i)->region());
 411
 412                         distance = get_nudge_distance (r->position(), next_distance);
 413
 414                         if (next) {
 415                                 distance = next_distance;
 416                         }
 417
 418                         XMLNode &before = r->playlist()->get_state();
 419
 420                         if (r->position() > distance) {
 421                                 r->set_position (r->position() - distance, this);
 422                         } else {
 423                                 r->set_position (0, this);
 424                         }
 425                         XMLNode &after = r->playlist()->get_state();
 426                         session->add_command(new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
 427                 }
 428
 429                 commit_reversible_command ();
 430
 431         } else if (!force_playhead && !selection->markers.empty()) {
 432
 433                 bool is_start;
 434
 435                 begin_reversible_command (_("nudge location forward"));
 436
 437                 for (MarkerSelection::iterator i = selection->markers.begin(); i != selection->markers.end(); ++i) {
 438
 439                         Location* loc = find_location_from_marker ((*i), is_start);
 440
 441                         if (loc) {
 442
 443                                 XMLNode& before (loc->get_state());
 444
 445                                 if (is_start) {
 446                                         distance = get_nudge_distance (loc->start(), next_distance);
 447                                         if (next) {
 448                                                 distance = next_distance;
 449                                         }
 450                                         if (distance < loc->start()) {
 451                                                 loc->set_start (loc->start() - distance);
 452                                         } else {
 453                                                 loc->set_start (0);
 454                                         }
 455                                 } else {
 456                                         distance = get_nudge_distance (loc->end(), next_distance);
 457
 458                                         if (next) {
 459                                                 distance = next_distance;
 460                                         }
 461
 462                                         if (distance < loc->end() - loc->length()) {
 463                                                 loc->set_end (loc->end() - distance);
 464                                         } else {
 465                                                 loc->set_end (loc->length());
 466                                         }
 467                                 }
 468
 469                                 XMLNode& after (loc->get_state());
 470                                 session->add_command (new MementoCommand<Location>(*loc, &before, &after));
 471                         }
 472                 }
 473
 474                 commit_reversible_command ();
 475
 476         } else {
 477
 478                 distance = get_nudge_distance (playhead_cursor->current_frame, next_distance);
 479
 480                 if (playhead_cursor->current_frame > distance) {
 481                         session->request_locate (playhead_cursor->current_frame - distance);
 482                 } else {
 483                         session->goto_start();
 484                 }
 485         }
 486 }
 487
 488 void
 489 Editor::nudge_forward_capture_offset ()
 490 {
 491         nframes64_t distance;
 492         RegionSelection rs;
 493
 494         get_regions_for_action (rs);
 495
 496         if (!session) return;
 497
 498         if (!rs.empty()) {
 499
 500                 begin_reversible_command (_("nudge forward"));
 501
 502                 distance = session->worst_output_latency();
 503
 504                 for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
 505                         boost::shared_ptr<Region> r ((*i)->region());
 506
 507                         XMLNode &before = r->playlist()->get_state();
 508                         r->set_position (r->position() + distance, this);
 509                         XMLNode &after = r->playlist()->get_state();
 510                         session->add_command(new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
 511                 }
 512
 513                 commit_reversible_command ();
 514
 515         }
 516 }
 517
 518 void
 519 Editor::nudge_backward_capture_offset ()
 520 {
 521         nframes64_t distance;
 522         RegionSelection rs;
 523
 524         get_regions_for_action (rs);
 525
 526         if (!session) return;
 527
 528         if (!rs.empty()) {
 529
 530                 begin_reversible_command (_("nudge forward"));
 531
 532                 distance = session->worst_output_latency();
 533
 534                 for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
 535                         boost::shared_ptr<Region> r ((*i)->region());
 536
 537                         XMLNode &before = r->playlist()->get_state();
 538
 539                         if (r->position() > distance) {
 540                                 r->set_position (r->position() - distance, this);
 541                         } else {
 542                                 r->set_position (0, this);
 543                         }
 544                         XMLNode &after = r->playlist()->get_state();
 545                         session->add_command(new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
 546                 }
 547
 548                 commit_reversible_command ();
 549         }
 550 }
 551
 552 /* DISPLAY MOTION */
 553
 554 void
 555 Editor::move_to_start ()
 556 {
 557         session->goto_start ();
 558 }
 559
 560 void
 561 Editor::move_to_end ()
 562 {
 563
 564         session->request_locate (session->current_end_frame());
 565 }
 566
 567 void
 568 Editor::build_region_boundary_cache ()
 569 {
 570         nframes64_t pos = 0;
 571         vector<RegionPoint> interesting_points;
 572         boost::shared_ptr<Region> r;
 573         TrackViewList tracks;
 574         bool at_end = false;
 575
 576         region_boundary_cache.clear ();
 577
 578         if (session == 0) {
 579                 return;
 580         }
 581
 582         switch (_snap_type) {
 583         case SnapToRegionStart:
 584                 interesting_points.push_back (Start);
 585                 break;
 586         case SnapToRegionEnd:
 587                 interesting_points.push_back (End);
 588                 break;
 589         case SnapToRegionSync:
 590                 interesting_points.push_back (SyncPoint);
 591                 break;
 592         case SnapToRegionBoundary:
 593                 interesting_points.push_back (Start);
 594                 interesting_points.push_back (End);
 595                 break;
 596         default:
 597                 fatal << string_compose (_("build_region_boundary_cache called with snap_type = %1"), _snap_type) << endmsg;
 598                 /*NOTREACHED*/
 599                 return;
 600         }
 601
 602         TimeAxisView *ontrack = 0;
 603         TrackViewList tlist;
 604
 605         if (!selection->tracks.empty()) {
 606                 tlist = selection->tracks;
 607         } else {
 608                 tlist = track_views;
 609         }
 610
 611         while (pos < session->current_end_frame() && !at_end) {
 612
 613                 nframes64_t rpos;
 614                 nframes64_t lpos = max_frames;
 615
 616                 for (vector<RegionPoint>::iterator p = interesting_points.begin(); p != interesting_points.end(); ++p) {
 617
 618                         if ((r = find_next_region (pos, *p, 1, tlist, &ontrack)) == 0) {
 619                                 if (*p == interesting_points.back()) {
 620                                         at_end = true;
 621                                 }
 622                                 /* move to next point type */
 623                                 continue;
 624                         }
 625
 626                         switch (*p) {
 627                         case Start:
 628                                 rpos = r->first_frame();
 629                                 break;
 630
 631                         case End:
 632                                 rpos = r->last_frame();
 633                                 break;
 634
 635                         case SyncPoint:
 636                                 rpos = r->sync_position ();
 637                                 //r->adjust_to_sync (r->first_frame());
 638                                 break;
 639
 640                         default:
 641                                 break;
 642                         }
 643
 644                         float speed = 1.0f;
 645                         RouteTimeAxisView *rtav;
 646
 647                         if (ontrack != 0 && (rtav = dynamic_cast<RouteTimeAxisView*>(ontrack)) != 0 ) {
 648                                 if (rtav->get_diskstream() != 0) {
 649                                         speed = rtav->get_diskstream()->speed();
 650                                 }
 651                         }
 652
 653                         rpos = track_frame_to_session_frame (rpos, speed);
 654
 655                         if (rpos < lpos) {
 656                                 lpos = rpos;
 657                         }
 658
 659                         /* prevent duplicates, but we don't use set<> because we want to be able
 660                            to sort later.
 661                         */
 662
 663                         vector<nframes64_t>::iterator ri;
 664
 665                         for (ri = region_boundary_cache.begin(); ri != region_boundary_cache.end(); ++ri) {
 666                                 if (*ri == rpos) {
 667                                         break;
 668                                 }
 669                         }
 670
 671                         if (ri == region_boundary_cache.end()) {
 672                                 region_boundary_cache.push_back (rpos);
 673                         }
 674                 }
 675
 676                 pos = lpos + 1;
 677         }
 678
 679         /* finally sort to be sure that the order is correct */
 680
 681         sort (region_boundary_cache.begin(), region_boundary_cache.end());
 682 }
 683
 684 boost::shared_ptr<Region>
 685 Editor::find_next_region (nframes64_t frame, RegionPoint point, int32_t dir, TrackViewList& tracks, TimeAxisView **ontrack)
 686 {
 687         TrackViewList::iterator i;
 688         nframes64_t closest = max_frames;
 689         boost::shared_ptr<Region> ret;
 690         nframes64_t rpos = 0;
 691
 692         float track_speed;
 693         nframes64_t track_frame;
 694         RouteTimeAxisView *rtav;
 695
 696         for (i = tracks.begin(); i != tracks.end(); ++i) {
 697
 698                 nframes64_t distance;
 699                 boost::shared_ptr<Region> r;
 700
 701                 track_speed = 1.0f;
 702                 if ( (rtav = dynamic_cast<RouteTimeAxisView*>(*i)) != 0 ) {
 703                         if (rtav->get_diskstream()!=0)
 704                                 track_speed = rtav->get_diskstream()->speed();
 705                 }
 706
 707                 track_frame = session_frame_to_track_frame(frame, track_speed);
 708
 709                 if ((r = (*i)->find_next_region (track_frame, point, dir)) == 0) {
 710                         continue;
 711                 }
 712
 713                 switch (point) {
 714                 case Start:
 715                         rpos = r->first_frame ();
 716                         break;
 717
 718                 case End:
 719                         rpos = r->last_frame ();
 720                         break;
 721
 722                 case SyncPoint:
 723                         rpos = r->sync_position ();
 724                         // r->adjust_to_sync (r->first_frame());
 725                         break;
 726                 }
 727
 728                 // rpos is a "track frame", converting it to "session frame"
 729                 rpos = track_frame_to_session_frame(rpos, track_speed);
 730
 731                 if (rpos > frame) {
 732                         distance = rpos - frame;
 733                 } else {
 734                         distance = frame - rpos;
 735                 }
 736
 737                 if (distance < closest) {
 738                         closest = distance;
 739                         if (ontrack != 0)
 740                                 *ontrack = (*i);
 741                         ret = r;
 742                 }
 743         }
 744
 745         return ret;
 746 }
 747
 748 nframes64_t
 749 Editor::find_next_region_boundary (nframes64_t pos, int32_t dir, const TrackViewList& tracks)
 750 {
 751         nframes64_t distance = max_frames;
 752         nframes64_t current_nearest = -1;
 753
 754
 755         for (TrackViewList::const_iterator i = tracks.begin(); i != tracks.end(); ++i) {
 756                 nframes64_t contender;
 757                 nframes64_t d;
 758
 759                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*i);
 760
 761                 if (!rtv) {
 762                         continue;
 763                 }
 764
 765                 if ((contender = rtv->find_next_region_boundary (pos, dir)) < 0) {
 766                         continue;
 767                 }
 768
 769                 d = ::llabs (pos - contender);
 770
 771                 if (d < distance) {
 772                         current_nearest = contender;
 773                         distance = d;
 774                 }
 775         }
 776
 777         return current_nearest;
 778 }
 779
 780 nframes64_t
 781 Editor::get_region_boundary (nframes64_t pos, int32_t dir, bool with_selection, bool only_onscreen)
 782 {
 783         nframes64_t target;
 784         TrackViewList tvl;
 785
 786         if (with_selection && Config->get_region_boundaries_from_selected_tracks()) {
 787
 788                 if (!selection->tracks.empty()) {
 789
 790                         target = find_next_region_boundary (pos, dir, selection->tracks);
 791
 792                 } else {
 793
 794                         if (only_onscreen || Config->get_region_boundaries_from_onscreen_tracks()) {
 795                                 get_onscreen_tracks (tvl);
 796                                 target = find_next_region_boundary (pos, dir, tvl);
 797                         } else {
 798                                 target = find_next_region_boundary (pos, dir, track_views);
 799                         }
 800                 }
 801
 802         } else {
 803
 804                 if (only_onscreen || Config->get_region_boundaries_from_onscreen_tracks()) {
 805                         get_onscreen_tracks (tvl);
 806                         target = find_next_region_boundary (pos, dir, tvl);
 807                 } else {
 808                         target = find_next_region_boundary (pos, dir, track_views);
 809                 }
 810         }
 811
 812         return target;
 813 }
 814
 815 void
 816 Editor::cursor_to_region_boundary (bool with_selection, int32_t dir)
 817 {
 818         nframes64_t pos = playhead_cursor->current_frame;
 819         nframes64_t target;
 820
 821         if (!session) {
 822                 return;
 823         }
 824
 825         // so we don't find the current region again..
 826         if (dir > 0 || pos > 0) {
 827                 pos += dir;
 828         }
 829
 830         if ((target = get_region_boundary (pos, dir, with_selection, false)) < 0) {
 831                 return;
 832         }
 833
 834
 835         session->request_locate (target);
 836 }
 837
 838 void
 839 Editor::cursor_to_next_region_boundary (bool with_selection)
 840 {
 841         cursor_to_region_boundary (with_selection, 1);
 842 }
 843
 844 void
 845 Editor::cursor_to_previous_region_boundary (bool with_selection)
 846 {
 847         cursor_to_region_boundary (with_selection, -1);
 848 }
 849
 850 void
 851 Editor::cursor_to_region_point (EditorCursor* cursor, RegionPoint point, int32_t dir)
 852 {
 853         boost::shared_ptr<Region> r;
 854         nframes64_t pos = cursor->current_frame;
 855
 856         if (!session) {
 857                 return;
 858         }
 859
 860         TimeAxisView *ontrack = 0;
 861
 862         // so we don't find the current region again..
 863         if (dir>0 || pos>0)
 864                 pos+=dir;
 865
 866         if (!selection->tracks.empty()) {
 867
 868                 r = find_next_region (pos, point, dir, selection->tracks, &ontrack);
 869
 870         } else if (clicked_axisview) {
 871
 872                 TrackViewList t;
 873                 t.push_back (clicked_axisview);
 874
 875                 r = find_next_region (pos, point, dir, t, &ontrack);
 876
 877         } else {
 878
 879                 r = find_next_region (pos, point, dir, track_views, &ontrack);
 880         }
 881
 882         if (r == 0) {
 883                 return;
 884         }
 885
 886         switch (point){
 887         case Start:
 888                 pos = r->first_frame ();
 889                 break;
 890
 891         case End:
 892                 pos = r->last_frame ();
 893                 break;
 894
 895         case SyncPoint:
 896                 pos = r->sync_position ();
 897                 // r->adjust_to_sync (r->first_frame());
 898                 break;
 899         }
 900
 901         float speed = 1.0f;
 902         RouteTimeAxisView *rtav;
 903
 904         if ( ontrack != 0 && (rtav = dynamic_cast<RouteTimeAxisView*>(ontrack)) != 0 ) {
 905                 if (rtav->get_diskstream() != 0) {
 906                         speed = rtav->get_diskstream()->speed();
 907                 }
 908         }
 909
 910         pos = track_frame_to_session_frame(pos, speed);
 911
 912         if (cursor == playhead_cursor) {
 913                 session->request_locate (pos);
 914         } else {
 915                 cursor->set_position (pos);
 916         }
 917 }
 918
 919 void
 920 Editor::cursor_to_next_region_point (EditorCursor* cursor, RegionPoint point)
 921 {
 922         cursor_to_region_point (cursor, point, 1);
 923 }
 924
 925 void
 926 Editor::cursor_to_previous_region_point (EditorCursor* cursor, RegionPoint point)
 927 {
 928         cursor_to_region_point (cursor, point, -1);
 929 }
 930
 931 void
 932 Editor::cursor_to_selection_start (EditorCursor *cursor)
 933 {
 934         nframes64_t pos = 0;
 935         RegionSelection rs;
 936
 937         get_regions_for_action (rs);
 938
 939         switch (mouse_mode) {
 940         case MouseObject:
 941                 if (!rs.empty()) {
 942                         pos = rs.start();
 943                 }
 944                 break;
 945
 946         case MouseRange:
 947                 if (!selection->time.empty()) {
 948                         pos = selection->time.start ();
 949                 }
 950                 break;
 951
 952         default:
 953                 return;
 954         }
 955
 956         if (cursor == playhead_cursor) {
 957                 session->request_locate (pos);
 958         } else {
 959                 cursor->set_position (pos);
 960         }
 961 }
 962
 963 void
 964 Editor::cursor_to_selection_end (EditorCursor *cursor)
 965 {
 966         nframes64_t pos = 0;
 967         RegionSelection rs;
 968
 969         get_regions_for_action (rs);
 970
 971         switch (mouse_mode) {
 972         case MouseObject:
 973                 if (!rs.empty()) {
 974                         pos = rs.end_frame();
 975                 }
 976                 break;
 977
 978         case MouseRange:
 979                 if (!selection->time.empty()) {
 980                         pos = selection->time.end_frame ();
 981                 }
 982                 break;
 983
 984         default:
 985                 return;
 986         }
 987
 988         if (cursor == playhead_cursor) {
 989                 session->request_locate (pos);
 990         } else {
 991                 cursor->set_position (pos);
 992         }
 993 }
 994
 995 void
 996 Editor::selected_marker_to_region_boundary (bool with_selection, int32_t dir)
 997 {
 998         nframes64_t target;
 999         Location* loc;
1000         bool ignored;
1001
1002         if (!session) {
1003                 return;
1004         }
1005
1006         if (selection->markers.empty()) {
1007                 nframes64_t mouse;
1008                 bool ignored;
1009
1010                 if (!mouse_frame (mouse, ignored)) {
1011                         return;
1012                 }
1013
1014                 add_location_mark (mouse);
1015         }
1016
1017         if ((loc = find_location_from_marker (selection->markers.front(), ignored)) == 0) {
1018                 return;
1019         }
1020
1021         nframes64_t pos = loc->start();
1022
1023         // so we don't find the current region again..
1024         if (dir > 0 || pos > 0) {
1025                 pos += dir;
1026         }
1027
1028         if ((target = get_region_boundary (pos, dir, with_selection, false)) < 0) {
1029                 return;
1030         }
1031
1032         loc->move_to (target);
1033 }
1034
1035 void
1036 Editor::selected_marker_to_next_region_boundary (bool with_selection)
1037 {
1038         selected_marker_to_region_boundary (with_selection, 1);
1039 }
1040
1041 void
1042 Editor::selected_marker_to_previous_region_boundary (bool with_selection)
1043 {
1044         selected_marker_to_region_boundary (with_selection, -1);
1045 }
1046
1047 void
1048 Editor::selected_marker_to_region_point (RegionPoint point, int32_t dir)
1049 {
1050         boost::shared_ptr<Region> r;
1051         nframes64_t pos;
1052         Location* loc;
1053         bool ignored;
1054
1055         if (!session || selection->markers.empty()) {
1056                 return;
1057         }
1058
1059         if ((loc = find_location_from_marker (selection->markers.front(), ignored)) == 0) {
1060                 return;
1061         }
1062
1063         TimeAxisView *ontrack = 0;
1064
1065         pos = loc->start();
1066
1067         // so we don't find the current region again..
1068         if (dir>0 || pos>0)
1069                 pos+=dir;
1070
1071         if (!selection->tracks.empty()) {
1072
1073                 r = find_next_region (pos, point, dir, selection->tracks, &ontrack);
1074
1075         } else {
1076
1077                 r = find_next_region (pos, point, dir, track_views, &ontrack);
1078         }
1079
1080         if (r == 0) {
1081                 return;
1082         }
1083
1084         switch (point){
1085         case Start:
1086                 pos = r->first_frame ();
1087                 break;
1088
1089         case End:
1090                 pos = r->last_frame ();
1091                 break;
1092
1093         case SyncPoint:
1094                 pos = r->adjust_to_sync (r->first_frame());
1095                 break;
1096         }
1097
1098         float speed = 1.0f;
1099         RouteTimeAxisView *rtav;
1100
1101         if (ontrack != 0 && (rtav = dynamic_cast<RouteTimeAxisView*>(ontrack)) != 0) {
1102                 if (rtav->get_diskstream() != 0) {
1103                         speed = rtav->get_diskstream()->speed();
1104                 }
1105         }
1106
1107         pos = track_frame_to_session_frame(pos, speed);
1108
1109         loc->move_to (pos);
1110 }
1111
1112 void
1113 Editor::selected_marker_to_next_region_point (RegionPoint point)
1114 {
1115         selected_marker_to_region_point (point, 1);
1116 }
1117
1118 void
1119 Editor::selected_marker_to_previous_region_point (RegionPoint point)
1120 {
1121         selected_marker_to_region_point (point, -1);
1122 }
1123
1124 void
1125 Editor::selected_marker_to_selection_start ()
1126 {
1127         nframes64_t pos = 0;
1128         Location* loc;
1129         bool ignored;
1130
1131         if (!session || selection->markers.empty()) {
1132                 return;
1133         }
1134
1135         if ((loc = find_location_from_marker (selection->markers.front(), ignored)) == 0) {
1136                 return;
1137         }
1138
1139         RegionSelection rs;
1140
1141         get_regions_for_action (rs);
1142
1143         switch (mouse_mode) {
1144         case MouseObject:
1145                 if (!rs.empty()) {
1146                         pos = rs.start();
1147                 }
1148                 break;
1149
1150         case MouseRange:
1151                 if (!selection->time.empty()) {
1152                         pos = selection->time.start ();
1153                 }
1154                 break;
1155
1156         default:
1157                 return;
1158         }
1159
1160         loc->move_to (pos);
1161 }
1162
1163 void
1164 Editor::selected_marker_to_selection_end ()
1165 {
1166         nframes64_t pos = 0;
1167         Location* loc;
1168         bool ignored;
1169
1170         if (!session || selection->markers.empty()) {
1171                 return;
1172         }
1173
1174         if ((loc = find_location_from_marker (selection->markers.front(), ignored)) == 0) {
1175                 return;
1176         }
1177
1178         RegionSelection rs;
1179
1180         get_regions_for_action (rs);
1181
1182         switch (mouse_mode) {
1183         case MouseObject:
1184                 if (!rs.empty()) {
1185                         pos = rs.end_frame();
1186                 }
1187                 break;
1188
1189         case MouseRange:
1190                 if (!selection->time.empty()) {
1191                         pos = selection->time.end_frame ();
1192                 }
1193                 break;
1194
1195         default:
1196                 return;
1197         }
1198
1199         loc->move_to (pos);
1200 }
1201
1202 void
1203 Editor::scroll_playhead (bool forward)
1204 {
1205         nframes64_t pos = playhead_cursor->current_frame;
1206         nframes64_t delta = (nframes64_t) floor (current_page_frames() / 0.8);
1207
1208         if (forward) {
1209                 if (pos == max_frames) {
1210                         return;
1211                 }
1212
1213                 if (pos < max_frames - delta) {
1214                         pos += delta ;
1215                 } else {
1216                         pos = max_frames;
1217                 }
1218
1219         } else {
1220
1221                 if (pos == 0) {
1222                         return;
1223                 }
1224
1225                 if (pos > delta) {
1226                         pos -= delta;
1227                 } else {
1228                         pos = 0;
1229                 }
1230         }
1231
1232         session->request_locate (pos);
1233 }
1234
1235 void
1236 Editor::playhead_backward ()
1237 {
1238         nframes64_t pos;
1239         nframes64_t cnt;
1240         float prefix;
1241         bool was_floating;
1242
1243         if (get_prefix (prefix, was_floating)) {
1244                 cnt = 1;
1245         } else {
1246                 if (was_floating) {
1247                         cnt = (nframes64_t) floor (prefix * session->frame_rate ());
1248                 } else {
1249                         cnt = (nframes64_t) prefix;
1250                 }
1251         }
1252
1253         pos = playhead_cursor->current_frame;
1254
1255         if ((nframes64_t) pos < cnt) {
1256                 pos = 0;
1257         } else {
1258                 pos -= cnt;
1259         }
1260
1261         /* XXX this is completely insane. with the current buffering
1262            design, we'll force a complete track buffer flush and
1263            reload, just to move 1 sample !!!
1264         */
1265
1266         session->request_locate (pos);
1267 }
1268
1269 void
1270 Editor::playhead_forward ()
1271 {
1272         nframes64_t pos;
1273         nframes64_t cnt;
1274         bool was_floating;
1275         float prefix;
1276
1277         if (get_prefix (prefix, was_floating)) {
1278                 cnt = 1;
1279         } else {
1280                 if (was_floating) {
1281                         cnt = (nframes64_t) floor (prefix * session->frame_rate ());
1282                 } else {
1283                         cnt = (nframes64_t) floor (prefix);
1284                 }
1285         }
1286
1287         pos = playhead_cursor->current_frame;
1288
1289         /* XXX this is completely insane. with the current buffering
1290            design, we'll force a complete track buffer flush and
1291            reload, just to move 1 sample !!!
1292         */
1293
1294         session->request_locate (pos+cnt);
1295 }
1296
1297 void
1298 Editor::cursor_align (bool playhead_to_edit)
1299 {
1300         if (!session) {
1301                 return;
1302         }
1303
1304         if (playhead_to_edit) {
1305
1306                 if (selection->markers.empty()) {
1307                         return;
1308                 }
1309
1310                 session->request_locate (selection->markers.front()->position(), session->transport_rolling());
1311
1312         } else {
1313                 /* move selected markers to playhead */
1314
1315                 for (MarkerSelection::iterator i = selection->markers.begin(); i != selection->markers.end(); ++i) {
1316                         bool ignored;
1317
1318                         Location* loc = find_location_from_marker (*i, ignored);
1319
1320                         if (loc->is_mark()) {
1321                                 loc->set_start (playhead_cursor->current_frame);
1322                         } else {
1323                                 loc->set (playhead_cursor->current_frame,
1324                                           playhead_cursor->current_frame + loc->length());
1325                         }
1326                 }
1327         }
1328 }
1329
1330 void
1331 Editor::edit_cursor_backward ()
1332 {
1333         nframes64_t pos;
1334         nframes64_t cnt;
1335         float prefix;
1336         bool was_floating;
1337
1338         if (get_prefix (prefix, was_floating)) {
1339                 cnt = 1;
1340         } else {
1341                 if (was_floating) {
1342                         cnt = (nframes64_t) floor (prefix * session->frame_rate ());
1343                 } else {
1344                         cnt = (nframes64_t) prefix;
1345                 }
1346         }
1347
1348         if ((pos = get_preferred_edit_position()) < 0) {
1349                 return;
1350         }
1351
1352         if (pos < cnt) {
1353                 pos = 0;
1354         } else {
1355                 pos -= cnt;
1356         }
1357
1358         // EDIT CURSOR edit_cursor->set_position (pos);
1359 }
1360
1361 void
1362 Editor::edit_cursor_forward ()
1363 {
1364         //nframes64_t pos;
1365         nframes64_t cnt;
1366         bool was_floating;
1367         float prefix;
1368
1369         if (get_prefix (prefix, was_floating)) {
1370                 cnt = 1;
1371         } else {
1372                 if (was_floating) {
1373                         cnt = (nframes64_t) floor (prefix * session->frame_rate ());
1374                 } else {
1375                         cnt = (nframes64_t) floor (prefix);
1376                 }
1377         }
1378
1379         // pos = edit_cursor->current_frame;
1380         // EDIT CURSOR edit_cursor->set_position (pos+cnt);
1381 }
1382
1383 void
1384 Editor::goto_frame ()
1385 {
1386         float prefix;
1387         bool was_floating;
1388         nframes64_t frame;
1389
1390         if (get_prefix (prefix, was_floating)) {
1391                 return;
1392         }
1393
1394         if (was_floating) {
1395                 frame = (nframes64_t) floor (prefix * session->frame_rate());
1396         } else {
1397                 frame = (nframes64_t) floor (prefix);
1398         }
1399
1400         session->request_locate (frame);
1401 }
1402
1403 void
1404 Editor::scroll_backward (float pages)
1405 {
1406         nframes64_t frame;
1407         nframes64_t one_page = (nframes64_t) rint (_canvas_width * frames_per_unit);
1408         bool was_floating;
1409         float prefix;
1410         nframes64_t cnt;
1411
1412         if (get_prefix (prefix, was_floating)) {
1413                 cnt = (nframes64_t) floor (pages * one_page);
1414         } else {
1415                 if (was_floating) {
1416                         cnt = (nframes64_t) floor (prefix * session->frame_rate());
1417                 } else {
1418                         cnt = (nframes64_t) floor (prefix * one_page);
1419                 }
1420         }
1421
1422         if (leftmost_frame < cnt) {
1423                 frame = 0;
1424         } else {
1425                 frame = leftmost_frame - cnt;
1426         }
1427
1428         reset_x_origin (frame);
1429 }
1430
1431 void
1432 Editor::scroll_forward (float pages)
1433 {
1434         nframes64_t frame;
1435         nframes64_t one_page = (nframes64_t) rint (_canvas_width * frames_per_unit);
1436         bool was_floating;
1437         float prefix;
1438         nframes64_t cnt;
1439
1440         if (get_prefix (prefix, was_floating)) {
1441                 cnt = (nframes64_t) floor (pages * one_page);
1442         } else {
1443                 if (was_floating) {
1444                         cnt = (nframes64_t) floor (prefix * session->frame_rate());
1445                 } else {
1446                         cnt = (nframes64_t) floor (prefix * one_page);
1447                 }
1448         }
1449
1450         if (max_frames - cnt < leftmost_frame) {
1451                 frame = max_frames - cnt;
1452         } else {
1453                 frame = leftmost_frame + cnt;
1454         }
1455
1456         reset_x_origin (frame);
1457 }
1458
1459 void
1460 Editor::scroll_tracks_down ()
1461 {
1462         float prefix;
1463         bool was_floating;
1464         int cnt;
1465
1466         if (get_prefix (prefix, was_floating)) {
1467                 cnt = 1;
1468         } else {
1469                 cnt = (int) floor (prefix);
1470         }
1471
1472         double vert_value = vertical_adjustment.get_value() + (cnt *
1473                 vertical_adjustment.get_page_size());
1474         if (vert_value > vertical_adjustment.get_upper() - _canvas_height) {
1475                 vert_value = vertical_adjustment.get_upper() - _canvas_height;
1476         }
1477         vertical_adjustment.set_value (vert_value);
1478 }
1479
1480 void
1481 Editor::scroll_tracks_up ()
1482 {
1483         float prefix;
1484         bool was_floating;
1485         int cnt;
1486
1487         if (get_prefix (prefix, was_floating)) {
1488                 cnt = 1;
1489         } else {
1490                 cnt = (int) floor (prefix);
1491         }
1492
1493         vertical_adjustment.set_value (vertical_adjustment.get_value() - (cnt * vertical_adjustment.get_page_size()));
1494 }
1495
1496 void
1497 Editor::scroll_tracks_down_line ()
1498 {
1499         double vert_value = vertical_adjustment.get_value() + 60;
1500
1501         if (vert_value > vertical_adjustment.get_upper() - _canvas_height) {
1502                 vert_value = vertical_adjustment.get_upper() - _canvas_height;
1503         }
1504
1505         vertical_adjustment.set_value (vert_value);
1506 }
1507
1508 void
1509 Editor::scroll_tracks_up_line ()
1510 {
1511         reset_y_origin (vertical_adjustment.get_value() - 60);
1512 }
1513
1514 /* ZOOM */
1515
1516 void
1517 Editor::tav_zoom_step (bool coarser)
1518 {
1519         ENSURE_GUI_THREAD (bind (mem_fun (*this, &Editor::temporal_zoom_step), coarser));
1520
1521         _routes->suspend_redisplay ();
1522
1523         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1524                 TimeAxisView *tv = (static_cast<TimeAxisView*>(*i));
1525                         tv->step_height (coarser);
1526         }
1527
1528         _routes->resume_redisplay ();
1529 }
1530
1531 void
1532 Editor::temporal_zoom_step (bool coarser)
1533 {
1534         ENSURE_GUI_THREAD (bind (mem_fun (*this, &Editor::temporal_zoom_step), coarser));
1535
1536         double nfpu;
1537
1538         nfpu = frames_per_unit;
1539
1540         if (coarser) {
1541                 nfpu *= 1.61803399;
1542         } else {
1543                 nfpu = max(1.0,(nfpu/1.61803399));
1544         }
1545
1546         temporal_zoom (nfpu);
1547 }
1548
1549 void
1550 Editor::temporal_zoom (gdouble fpu)
1551 {
1552         if (!session) return;
1553
1554         nframes64_t current_page = current_page_frames();
1555         nframes64_t current_leftmost = leftmost_frame;
1556         nframes64_t current_rightmost;
1557         nframes64_t current_center;
1558         nframes64_t new_page_size;
1559         nframes64_t half_page_size;
1560         nframes64_t leftmost_after_zoom = 0;
1561         nframes64_t where;
1562         bool in_track_canvas;
1563         double nfpu;
1564         double l;
1565
1566         /* XXX this limit is also in ::set_frames_per_unit() */
1567
1568         if (frames_per_unit <= 2.0 && fpu <= frames_per_unit) {
1569                 return;
1570         }
1571
1572         nfpu = fpu;
1573
1574         new_page_size = (nframes64_t) floor (_canvas_width * nfpu);
1575         half_page_size = new_page_size / 2;
1576
1577         switch (zoom_focus) {
1578         case ZoomFocusLeft:
1579                 leftmost_after_zoom = current_leftmost;
1580                 break;
1581
1582         case ZoomFocusRight:
1583                 current_rightmost = leftmost_frame + current_page;
1584                 if (current_rightmost < new_page_size) {
1585                         leftmost_after_zoom = 0;
1586                 } else {
1587                         leftmost_after_zoom = current_rightmost - new_page_size;
1588                 }
1589                 break;
1590
1591         case ZoomFocusCenter:
1592                 current_center = current_leftmost + (current_page/2);
1593                 if (current_center < half_page_size) {
1594                         leftmost_after_zoom = 0;
1595                 } else {
1596                         leftmost_after_zoom = current_center - half_page_size;
1597                 }
1598                 break;
1599
1600         case ZoomFocusPlayhead:
1601                 /* try to keep the playhead in the same place */
1602
1603                 where = playhead_cursor->current_frame;
1604
1605                 l = - ((new_page_size * ((where - current_leftmost)/(double)current_page)) - where);
1606
1607                 if (l < 0) {
1608                         leftmost_after_zoom = 0;
1609                 } else if (l > max_frames) {
1610                         leftmost_after_zoom = max_frames - new_page_size;
1611                 } else {
1612                         leftmost_after_zoom = (nframes64_t) l;
1613                 }
1614                 break;
1615
1616         case ZoomFocusMouse:
1617                 /* try to keep the mouse over the same point in the display */
1618
1619                 if (!mouse_frame (where, in_track_canvas)) {
1620                         /* use playhead instead */
1621                         where = playhead_cursor->current_frame;
1622
1623                         if (where < half_page_size) {
1624                                 leftmost_after_zoom = 0;
1625                         } else {
1626                                 leftmost_after_zoom = where - half_page_size;
1627                         }
1628
1629                 } else {
1630
1631                         l = - ((new_page_size * ((where - current_leftmost)/(double)current_page)) - where);
1632
1633                         if (l < 0) {
1634                                 leftmost_after_zoom = 0;
1635                         } else if (l > max_frames) {
1636                                 leftmost_after_zoom = max_frames - new_page_size;
1637                         } else {
1638                                 leftmost_after_zoom = (nframes64_t) l;
1639                         }
1640                 }
1641
1642                 break;
1643
1644         case ZoomFocusEdit:
1645                 /* try to keep the edit point in the same place */
1646                 where = get_preferred_edit_position ();
1647
1648                 if (where > 0) {
1649
1650                         double l = - ((new_page_size * ((where - current_leftmost)/(double)current_page)) - where);
1651
1652                         if (l < 0) {
1653                                 leftmost_after_zoom = 0;
1654                         } else if (l > max_frames) {
1655                                 leftmost_after_zoom = max_frames - new_page_size;
1656                         } else {
1657                                 leftmost_after_zoom = (nframes64_t) l;
1658                         }
1659
1660                 } else {
1661                         /* edit point not defined */
1662                         return;
1663                 }
1664                 break;
1665
1666         }
1667
1668         // leftmost_after_zoom = min (leftmost_after_zoom, session->current_end_frame());
1669
1670         reposition_and_zoom (leftmost_after_zoom, nfpu);
1671 }
1672
1673 void
1674 Editor::temporal_zoom_region (bool both_axes)
1675 {
1676
1677         nframes64_t start = max_frames;
1678         nframes64_t end = 0;
1679         RegionSelection rs;
1680         set<TimeAxisView*> tracks;
1681
1682         get_regions_for_action (rs);
1683
1684         if (rs.empty()) {
1685                 return;
1686         }
1687
1688         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
1689
1690                 if ((*i)->region()->position() < start) {
1691                         start = (*i)->region()->position();
1692                 }
1693
1694                 if ((*i)->region()->last_frame() + 1 > end) {
1695                         end = (*i)->region()->last_frame() + 1;
1696                 }
1697
1698                 tracks.insert (&((*i)->get_time_axis_view()));
1699         }
1700
1701         /* now comes an "interesting" hack ... make sure we leave a little space
1702            at each end of the editor so that the zoom doesn't fit the region
1703            precisely to the screen.
1704         */
1705
1706         GdkScreen* screen = gdk_screen_get_default ();
1707         gint pixwidth = gdk_screen_get_width (screen);
1708         gint mmwidth = gdk_screen_get_width_mm (screen);
1709         double pix_per_mm = (double) pixwidth/ (double) mmwidth;
1710         double one_centimeter_in_pixels = pix_per_mm * 10.0;
1711
1712         if ((start == 0 && end == 0) || end < start) {
1713                 return;
1714         }
1715
1716         nframes64_t range = end - start;
1717         double new_fpu = (double)range / (double)_canvas_width;
1718         nframes64_t extra_samples = (nframes64_t) floor (one_centimeter_in_pixels * new_fpu);
1719
1720         if (start > extra_samples) {
1721                 start -= extra_samples;
1722         } else {
1723                 start = 0;
1724         }
1725
1726         if (max_frames - extra_samples > end) {
1727                 end += extra_samples;
1728         } else {
1729                 end = max_frames;
1730         }
1731
1732         if (both_axes) {
1733                 /* save visual state with track states included, and prevent
1734                    set_frames_per_unit() from doing it again.
1735                 */
1736                 undo_visual_stack.push_back (current_visual_state(true));
1737                 no_save_visual = true;
1738         }
1739
1740         temporal_zoom_by_frame (start, end, "zoom to region");
1741
1742         if (both_axes) {
1743                 uint32_t per_track_height = (uint32_t) floor ((_canvas_height - canvas_timebars_vsize - 10.0) / tracks.size());
1744
1745                 /* set visible track heights appropriately */
1746
1747                 for (set<TimeAxisView*>::iterator t = tracks.begin(); t != tracks.end(); ++t) {
1748                         (*t)->set_height (per_track_height);
1749                 }
1750
1751                 /* hide irrelevant tracks */
1752
1753                 _routes->suspend_redisplay ();
1754
1755                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1756                         if (find (tracks.begin(), tracks.end(), (*i)) == tracks.end()) {
1757                                 hide_track_in_display (**i, true);
1758                         }
1759                 }
1760
1761                 _routes->resume_redisplay ();
1762
1763                 vertical_adjustment.set_value (0.0);
1764                 no_save_visual = false;
1765         }
1766
1767         redo_visual_stack.push_back (current_visual_state());
1768 }
1769
1770 void
1771 Editor::zoom_to_region (bool both_axes)
1772 {
1773         temporal_zoom_region (both_axes);
1774 }
1775
1776 void
1777 Editor::temporal_zoom_selection ()
1778 {
1779         if (!selection) return;
1780
1781         if (selection->time.empty()) {
1782                 return;
1783         }
1784
1785         nframes64_t start = selection->time[clicked_selection].start;
1786         nframes64_t end = selection->time[clicked_selection].end;
1787
1788         temporal_zoom_by_frame (start, end, "zoom to selection");
1789 }
1790
1791 void
1792 Editor::temporal_zoom_session ()
1793 {
1794         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::temporal_zoom_session));
1795
1796         if (session) {
1797                 temporal_zoom_by_frame (session->current_start_frame(), session->current_end_frame(), "zoom to session");
1798         }
1799 }
1800
1801 void
1802 Editor::temporal_zoom_by_frame (nframes64_t start, nframes64_t end, const string & /*op*/)
1803 {
1804         if (!session) return;
1805
1806         if ((start == 0 && end == 0) || end < start) {
1807                 return;
1808         }
1809
1810         nframes64_t range = end - start;
1811
1812         double new_fpu = (double)range / (double)_canvas_width;
1813
1814         nframes64_t new_page = (nframes64_t) floor (_canvas_width * new_fpu);
1815         nframes64_t middle = (nframes64_t) floor( (double)start + ((double)range / 2.0f ));
1816         nframes64_t new_leftmost = (nframes64_t) floor( (double)middle - ((double)new_page/2.0f));
1817
1818         if (new_leftmost > middle) {
1819                 new_leftmost = 0;
1820         }
1821
1822         reposition_and_zoom (new_leftmost, new_fpu);
1823 }
1824
1825 void
1826 Editor::temporal_zoom_to_frame (bool coarser, nframes64_t frame)
1827 {
1828         if (!session) {
1829                 return;
1830         }
1831         double range_before = frame - leftmost_frame;
1832         double new_fpu;
1833
1834         new_fpu = frames_per_unit;
1835
1836         if (coarser) {
1837                 new_fpu *= 1.61803399;
1838                 range_before *= 1.61803399;
1839         } else {
1840                 new_fpu = max(1.0,(new_fpu/1.61803399));
1841                 range_before /= 1.61803399;
1842         }
1843
1844         if (new_fpu == frames_per_unit)  {
1845                 return;
1846         }
1847
1848         nframes64_t new_leftmost = frame - (nframes64_t)range_before;
1849
1850         if (new_leftmost > frame) {
1851                 new_leftmost = 0;
1852         }
1853 //      begin_reversible_command (_("zoom to frame"));
1854 //      session->add_undo (bind (mem_fun(*this, &Editor::reposition_and_zoom), leftmost_frame, frames_per_unit));
1855 //      session->add_redo (bind (mem_fun(*this, &Editor::reposition_and_zoom), new_leftmost, new_fpu));
1856 //      commit_reversible_command ();
1857
1858         reposition_and_zoom (new_leftmost, new_fpu);
1859 }
1860
1861
1862 bool
1863 Editor::choose_new_marker_name(string &name) {
1864
1865         if (!Config->get_name_new_markers()) {
1866                 /* don't prompt user for a new name */
1867                 return true;
1868         }
1869
1870         ArdourPrompter dialog (true);
1871
1872         dialog.set_prompt (_("New Name:"));
1873
1874         dialog.set_title (_("New Location Marker"));
1875
1876         dialog.set_name ("MarkNameWindow");
1877         dialog.set_size_request (250, -1);
1878         dialog.set_position (Gtk::WIN_POS_MOUSE);
1879
1880         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
1881         dialog.set_initial_text (name);
1882
1883         dialog.show ();
1884
1885         switch (dialog.run ()) {
1886         case RESPONSE_ACCEPT:
1887                 break;
1888         default:
1889                 return false;
1890         }
1891
1892         dialog.get_result(name);
1893         return true;
1894
1895 }
1896
1897
1898 void
1899 Editor::add_location_from_selection ()
1900 {
1901         string rangename;
1902
1903         if (selection->time.empty()) {
1904                 return;
1905         }
1906
1907         if (session == 0 || clicked_axisview == 0) {
1908                 return;
1909         }
1910
1911         nframes64_t start = selection->time[clicked_selection].start;
1912         nframes64_t end = selection->time[clicked_selection].end;
1913
1914         session->locations()->next_available_name(rangename,"selection");
1915         Location *location = new Location (start, end, rangename, Location::IsRangeMarker);
1916
1917         session->begin_reversible_command (_("add marker"));
1918         XMLNode &before = session->locations()->get_state();
1919         session->locations()->add (location, true);
1920         XMLNode &after = session->locations()->get_state();
1921         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
1922         session->commit_reversible_command ();
1923 }
1924
1925 void
1926 Editor::add_location_mark (nframes64_t where)
1927 {
1928         string markername;
1929
1930         select_new_marker = true;
1931
1932         session->locations()->next_available_name(markername,"mark");
1933         if (!choose_new_marker_name(markername)) {
1934                 return;
1935         }
1936         Location *location = new Location (where, where, markername, Location::IsMark);
1937         session->begin_reversible_command (_("add marker"));
1938         XMLNode &before = session->locations()->get_state();
1939         session->locations()->add (location, true);
1940         XMLNode &after = session->locations()->get_state();
1941         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
1942         session->commit_reversible_command ();
1943 }
1944
1945 void
1946 Editor::add_location_from_playhead_cursor ()
1947 {
1948         add_location_mark (session->audible_frame());
1949 }
1950
1951 void
1952 Editor::add_locations_from_audio_region ()
1953 {
1954         RegionSelection rs;
1955
1956         get_regions_for_action (rs);
1957
1958         if (rs.empty()) {
1959                 return;
1960         }
1961
1962         session->begin_reversible_command (rs.size () > 1 ? _("add markers") : _("add marker"));
1963         XMLNode &before = session->locations()->get_state();
1964
1965         cerr << "Add locations\n";
1966
1967         for (RegionSelection::iterator i = rs.begin (); i != rs.end (); ++i) {
1968
1969                 boost::shared_ptr<Region> region = (*i)->region ();
1970
1971                 Location *location = new Location (region->position(), region->last_frame(), region->name(), Location::IsRangeMarker);
1972
1973                 session->locations()->add (location, true);
1974         }
1975
1976         XMLNode &after = session->locations()->get_state();
1977         session->add_command (new MementoCommand<Locations>(*(session->locations()), &before, &after));
1978         session->commit_reversible_command ();
1979 }
1980
1981 void
1982 Editor::add_location_from_audio_region ()
1983 {
1984         RegionSelection rs;
1985
1986         get_regions_for_action (rs);
1987
1988         if (rs.empty()) {
1989                 return;
1990         }
1991
1992         session->begin_reversible_command (_("add marker"));
1993         XMLNode &before = session->locations()->get_state();
1994
1995         string markername;
1996
1997         if (rs.size() > 1) {            // more than one region selected
1998                 session->locations()->next_available_name(markername, "regions");
1999         } else {
2000                 RegionView* rv = *(rs.begin());
2001                 boost::shared_ptr<Region> region = rv->region();
2002                 markername = region->name();
2003         }
2004
2005         if (!choose_new_marker_name(markername)) {
2006                 return;
2007         }
2008
2009         cerr << "Add location\n";
2010
2011         // single range spanning all selected
2012         Location *location = new Location (rs.start(), rs.end_frame(), markername, Location::IsRangeMarker);
2013         session->locations()->add (location, true);
2014
2015         XMLNode &after = session->locations()->get_state();
2016         session->add_command (new MementoCommand<Locations>(*(session->locations()), &before, &after));
2017         session->commit_reversible_command ();
2018 }
2019
2020 void
2021 Editor::amplitude_zoom_step (bool in)
2022 {
2023         gdouble zoom = 1.0;
2024
2025         if (in) {
2026                 zoom *= 2.0;
2027         } else {
2028                 if (zoom > 2.0) {
2029                         zoom /= 2.0;
2030                 } else {
2031                         zoom = 1.0;
2032                 }
2033         }
2034
2035 #ifdef FIX_FOR_CANVAS
2036         /* XXX DO SOMETHING */
2037 #endif
2038 }
2039
2040
2041 /* DELETION */
2042
2043
2044 void
2045 Editor::delete_sample_forward ()
2046 {
2047 }
2048
2049 void
2050 Editor::delete_sample_backward ()
2051 {
2052 }
2053
2054 void
2055 Editor::delete_screen ()
2056 {
2057 }
2058
2059 /* SEARCH */
2060
2061 void
2062 Editor::search_backwards ()
2063 {
2064         /* what ? */
2065 }
2066
2067 void
2068 Editor::search_forwards ()
2069 {
2070         /* what ? */
2071 }
2072
2073 /* MARKS */
2074
2075 void
2076 Editor::jump_forward_to_mark ()
2077 {
2078         if (!session) {
2079                 return;
2080         }
2081
2082         Location *location = session->locations()->first_location_after (playhead_cursor->current_frame);
2083
2084         if (location) {
2085                 session->request_locate (location->start(), session->transport_rolling());
2086         } else {
2087                 session->request_locate (session->current_end_frame());
2088         }
2089 }
2090
2091 void
2092 Editor::jump_backward_to_mark ()
2093 {
2094         if (!session) {
2095                 return;
2096         }
2097
2098         Location *location = session->locations()->first_location_before (playhead_cursor->current_frame);
2099
2100         if (location) {
2101                 session->request_locate (location->start(), session->transport_rolling());
2102         } else {
2103                 session->goto_start ();
2104         }
2105 }
2106
2107 void
2108 Editor::set_mark ()
2109 {
2110         nframes64_t pos;
2111         float prefix;
2112         bool was_floating;
2113         string markername;
2114
2115         if (get_prefix (prefix, was_floating)) {
2116                 pos = session->audible_frame ();
2117         } else {
2118                 if (was_floating) {
2119                         pos = (nframes64_t) floor (prefix * session->frame_rate ());
2120                 } else {
2121                         pos = (nframes64_t) floor (prefix);
2122                 }
2123         }
2124
2125         session->locations()->next_available_name(markername,"mark");
2126         if (!choose_new_marker_name(markername)) {
2127                 return;
2128         }
2129         session->locations()->add (new Location (pos, 0, markername, Location::IsMark), true);
2130 }
2131
2132 void
2133 Editor::clear_markers ()
2134 {
2135         if (session) {
2136                 session->begin_reversible_command (_("clear markers"));
2137                 XMLNode &before = session->locations()->get_state();
2138                 session->locations()->clear_markers ();
2139                 XMLNode &after = session->locations()->get_state();
2140                 session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
2141                 session->commit_reversible_command ();
2142         }
2143 }
2144
2145 void
2146 Editor::clear_ranges ()
2147 {
2148         if (session) {
2149                 session->begin_reversible_command (_("clear ranges"));
2150                 XMLNode &before = session->locations()->get_state();
2151
2152                 Location * looploc = session->locations()->auto_loop_location();
2153                 Location * punchloc = session->locations()->auto_punch_location();
2154
2155                 session->locations()->clear_ranges ();
2156                 // re-add these
2157                 if (looploc) session->locations()->add (looploc);
2158                 if (punchloc) session->locations()->add (punchloc);
2159
2160                 XMLNode &after = session->locations()->get_state();
2161                 session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
2162                 session->commit_reversible_command ();
2163         }
2164 }
2165
2166 void
2167 Editor::clear_locations ()
2168 {
2169         session->begin_reversible_command (_("clear locations"));
2170         XMLNode &before = session->locations()->get_state();
2171         session->locations()->clear ();
2172         XMLNode &after = session->locations()->get_state();
2173         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
2174         session->commit_reversible_command ();
2175         session->locations()->clear ();
2176 }
2177
2178 void
2179 Editor::unhide_markers ()
2180 {
2181         for (LocationMarkerMap::iterator i = location_markers.begin(); i != location_markers.end(); ++i) {
2182                 Location *l = (*i).first;
2183                 if (l->is_hidden() && l->is_mark()) {
2184                         l->set_hidden(false, this);
2185                 }
2186         }
2187 }
2188
2189 void
2190 Editor::unhide_ranges ()
2191 {
2192         for (LocationMarkerMap::iterator i = location_markers.begin(); i != location_markers.end(); ++i) {
2193                 Location *l = (*i).first;
2194                 if (l->is_hidden() && l->is_range_marker()) {
2195                         l->set_hidden(false, this);
2196                 }
2197         }
2198 }
2199
2200 /* INSERT/REPLACE */
2201
2202 void
2203 Editor::insert_region_list_drag (boost::shared_ptr<Region> region, int x, int y)
2204 {
2205         double wx, wy;
2206         double cx, cy;
2207         nframes64_t where;
2208         RouteTimeAxisView *rtv = 0;
2209         boost::shared_ptr<Playlist> playlist;
2210
2211         track_canvas->window_to_world (x, y, wx, wy);
2212         //wx += horizontal_adjustment.get_value();
2213         //wy += vertical_adjustment.get_value();
2214
2215         GdkEvent event;
2216         event.type = GDK_BUTTON_RELEASE;
2217         event.button.x = wx;
2218         event.button.y = wy;
2219
2220         where = event_frame (&event, &cx, &cy);
2221
2222         if (where < leftmost_frame || where > leftmost_frame + current_page_frames()) {
2223                 /* clearly outside canvas area */
2224                 return;
2225         }
2226
2227         std::pair<TimeAxisView*, int> tv = trackview_by_y_position (cy);
2228         if (tv.first == 0) {
2229                 return;
2230         }
2231
2232         if ((rtv = dynamic_cast<RouteTimeAxisView*> (tv.first)) == 0) {
2233                 return;
2234         }
2235
2236         if ((playlist = rtv->playlist()) == 0) {
2237                 return;
2238         }
2239
2240         snap_to (where);
2241
2242         begin_reversible_command (_("insert dragged region"));
2243         XMLNode &before = playlist->get_state();
2244         playlist->add_region (RegionFactory::create (region), where, 1.0);
2245         session->add_command(new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
2246         commit_reversible_command ();
2247 }
2248
2249 void
2250 Editor::insert_route_list_drag (boost::shared_ptr<Route> route, int x, int y) {
2251         double wx, wy;
2252         double cx, cy;
2253         nframes_t where;
2254         RouteTimeAxisView *dest_rtv = 0;
2255         RouteTimeAxisView *source_rtv = 0;
2256
2257         track_canvas->window_to_world (x, y, wx, wy);
2258         wx += horizontal_adjustment.get_value();
2259         wy += vertical_adjustment.get_value();
2260
2261         GdkEvent event;
2262         event.type = GDK_BUTTON_RELEASE;
2263         event.button.x = wx;
2264         event.button.y = wy;
2265
2266         where = event_frame (&event, &cx, &cy);
2267
2268         std::pair<TimeAxisView*, int> const tv = trackview_by_y_position (cy);
2269         if (tv.first == 0) {
2270                 return;
2271         }
2272
2273         if ((dest_rtv = dynamic_cast<RouteTimeAxisView*> (tv.first)) == 0) {
2274                 return;
2275         }
2276
2277         /* use this drag source to add underlay to a track. But we really don't care
2278            about the Route, only the view of the route, so find it first */
2279         for(TrackViewList::iterator it = track_views.begin(); it != track_views.end(); ++it) {
2280                 if((source_rtv = dynamic_cast<RouteTimeAxisView*>(*it)) == 0) {
2281                         continue;
2282                 }
2283
2284                 if(source_rtv->route() == route && source_rtv != dest_rtv) {
2285                         dest_rtv->add_underlay(source_rtv->view());
2286                         break;
2287                 }
2288         }
2289 }
2290
2291 void
2292 Editor::insert_region_list_selection (float times)
2293 {
2294         RouteTimeAxisView *tv = 0;
2295         boost::shared_ptr<Playlist> playlist;
2296
2297         if (clicked_routeview != 0) {
2298                 tv = clicked_routeview;
2299         } else if (!selection->tracks.empty()) {
2300                 if ((tv = dynamic_cast<RouteTimeAxisView*>(selection->tracks.front())) == 0) {
2301                         return;
2302                 }
2303         } else if (entered_track != 0) {
2304                 if ((tv = dynamic_cast<RouteTimeAxisView*>(entered_track)) == 0) {
2305                         return;
2306                 }
2307         } else {
2308                 return;
2309         }
2310
2311         if ((playlist = tv->playlist()) == 0) {
2312                 return;
2313         }
2314
2315         boost::shared_ptr<Region> region = _regions->get_single_selection ();
2316         if (region == 0) {
2317                 return;
2318         }
2319
2320         begin_reversible_command (_("insert region"));
2321         XMLNode &before = playlist->get_state();
2322         playlist->add_region ((RegionFactory::create (region)), get_preferred_edit_position(), times);
2323         session->add_command(new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
2324         commit_reversible_command ();
2325 }
2326
2327 /* BUILT-IN EFFECTS */
2328
2329 void
2330 Editor::reverse_selection ()
2331 {
2332
2333 }
2334
2335 /* GAIN ENVELOPE EDITING */
2336
2337 void
2338 Editor::edit_envelope ()
2339 {
2340 }
2341
2342 /* PLAYBACK */
2343
2344 void
2345 Editor::transition_to_rolling (bool fwd)
2346 {
2347         if (!session) {
2348                 return;
2349         }
2350
2351         if (session->config.get_external_sync()) {
2352                 switch (session->config.get_sync_source()) {
2353                 case JACK:
2354                         break;
2355                 default:
2356                         /* transport controlled by the master */
2357                         return;
2358                 }
2359         }
2360
2361         if (session->is_auditioning()) {
2362                 session->cancel_audition ();
2363                 return;
2364         }
2365
2366         session->request_transport_speed (fwd ? 1.0f : -1.0f);
2367 }
2368
2369 void
2370 Editor::play_from_start ()
2371 {
2372         session->request_locate (session->current_start_frame(), true);
2373 }
2374
2375 void
2376 Editor::play_from_edit_point ()
2377 {
2378         session->request_locate (get_preferred_edit_position(), true);
2379 }
2380
2381 void
2382 Editor::play_from_edit_point_and_return ()
2383 {
2384         nframes64_t start_frame;
2385         nframes64_t return_frame;
2386
2387         start_frame = get_preferred_edit_position (true);
2388
2389         if (session->transport_rolling()) {
2390                 session->request_locate (start_frame, false);
2391                 return;
2392         }
2393
2394         /* don't reset the return frame if its already set */
2395
2396         if ((return_frame = session->requested_return_frame()) < 0) {
2397                 return_frame = session->audible_frame();
2398         }
2399
2400         if (start_frame >= 0) {
2401                 session->request_roll_at_and_return (start_frame, return_frame);
2402         }
2403 }
2404
2405 void
2406 Editor::play_selection ()
2407 {
2408         if (selection->time.empty()) {
2409                 return;
2410         }
2411
2412         session->request_play_range (&selection->time, true);
2413 }
2414
2415 void
2416 Editor::loop_selected_region ()
2417 {
2418         RegionSelection rs;
2419
2420         get_regions_for_action (rs);
2421
2422         if (!rs.empty()) {
2423                 RegionView *rv = *(rs.begin());
2424                 Location* tll;
2425
2426                 if ((tll = transport_loop_location()) != 0)  {
2427
2428                         tll->set (rv->region()->position(), rv->region()->last_frame());
2429
2430                         // enable looping, reposition and start rolling
2431
2432                         session->request_play_loop (true);
2433                         session->request_locate (tll->start(), false);
2434                         session->request_transport_speed (1.0f);
2435                 }
2436         }
2437 }
2438
2439 void
2440 Editor::play_location (Location& location)
2441 {
2442         if (location.start() <= location.end()) {
2443                 return;
2444         }
2445
2446         session->request_bounded_roll (location.start(), location.end());
2447 }
2448
2449 void
2450 Editor::loop_location (Location& location)
2451 {
2452         if (location.start() <= location.end()) {
2453                 return;
2454         }
2455
2456         Location* tll;
2457
2458         if ((tll = transport_loop_location()) != 0) {
2459                 tll->set (location.start(), location.end());
2460
2461                 // enable looping, reposition and start rolling
2462                 session->request_play_loop (true);
2463                 session->request_locate (tll->start(), true);
2464         }
2465 }
2466
2467 void
2468 Editor::raise_region ()
2469 {
2470         selection->foreach_region (&Region::raise);
2471 }
2472
2473 void
2474 Editor::raise_region_to_top ()
2475 {
2476         selection->foreach_region (&Region::raise_to_top);
2477 }
2478
2479 void
2480 Editor::lower_region ()
2481 {
2482         selection->foreach_region (&Region::lower);
2483 }
2484
2485 void
2486 Editor::lower_region_to_bottom ()
2487 {
2488         selection->foreach_region (&Region::lower_to_bottom);
2489 }
2490
2491 /** Show the region editor for the selected regions */
2492 void
2493 Editor::edit_region ()
2494 {
2495         selection->foreach_regionview (&RegionView::show_region_editor);
2496 }
2497
2498 /** Show the midi list editor for the selected MIDI regions */
2499 void
2500 Editor::show_midi_list_editor ()
2501 {
2502         selection->foreach_midi_regionview (&MidiRegionView::show_list_editor);
2503 }
2504
2505 void
2506 Editor::rename_region()
2507 {
2508         RegionSelection rs;
2509
2510         get_regions_for_action (rs);
2511
2512         if (rs.empty()) {
2513                 return;
2514         }
2515
2516         ArdourDialog d (*this, _("Rename Region"), true, false);
2517         Entry entry;
2518         Label label (_("New name:"));
2519         HBox hbox;
2520
2521         hbox.set_spacing (6);
2522         hbox.pack_start (label, false, false);
2523         hbox.pack_start (entry, true, true);
2524
2525         d.get_vbox()->set_border_width (12);
2526         d.get_vbox()->pack_start (hbox, false, false);
2527
2528         d.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
2529         d.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2530
2531         d.set_size_request (300, -1);
2532         d.set_position (Gtk::WIN_POS_MOUSE);
2533
2534         entry.set_text (rs.front()->region()->name());
2535         entry.select_region (0, -1);
2536
2537         entry.signal_activate().connect (bind (mem_fun (d, &Dialog::response), RESPONSE_OK));
2538
2539         d.show_all ();
2540
2541         entry.grab_focus();
2542
2543         int ret = d.run();
2544
2545         d.hide ();
2546
2547         if (ret == RESPONSE_OK) {
2548                 std::string str = entry.get_text();
2549                 strip_whitespace_edges (str);
2550                 if (!str.empty()) {
2551                         rs.front()->region()->set_name (str);
2552                         _regions->redisplay ();
2553                 }
2554         }
2555 }
2556
2557 void
2558 Editor::audition_playlist_region_via_route (boost::shared_ptr<Region> region, Route& route)
2559 {
2560         if (session->is_auditioning()) {
2561                 session->cancel_audition ();
2562         }
2563
2564         // note: some potential for creativity here, because region doesn't
2565         // have to belong to the playlist that Route is handling
2566
2567         // bool was_soloed = route.soloed();
2568
2569         route.set_solo (true, this);
2570
2571         session->request_bounded_roll (region->position(), region->position() + region->length());
2572
2573         /* XXX how to unset the solo state ? */
2574 }
2575
2576 /** Start an audition of the first selected region */
2577 void
2578 Editor::play_edit_range ()
2579 {
2580         nframes64_t start, end;
2581
2582         if (get_edit_op_range (start, end)) {
2583                 session->request_bounded_roll (start, end);
2584         }
2585 }
2586
2587 void
2588 Editor::play_selected_region ()
2589 {
2590         nframes64_t start = max_frames;
2591         nframes64_t end = 0;
2592         RegionSelection rs;
2593
2594         get_regions_for_action (rs);
2595
2596         if (rs.empty()) {
2597                 return;
2598         }
2599
2600         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
2601                 if ((*i)->region()->position() < start) {
2602                         start = (*i)->region()->position();
2603                 }
2604                 if ((*i)->region()->last_frame() + 1 > end) {
2605                         end = (*i)->region()->last_frame() + 1;
2606                 }
2607         }
2608
2609         session->request_bounded_roll (start, end);
2610 }
2611
2612 void
2613 Editor::audition_playlist_region_standalone (boost::shared_ptr<Region> region)
2614 {
2615         session->audition_region (region);
2616 }
2617
2618 void
2619 Editor::build_interthread_progress_window ()
2620 {
2621         interthread_progress_window = new ArdourDialog (X_("interthread progress"), true);
2622
2623         interthread_progress_bar.set_orientation (Gtk::PROGRESS_LEFT_TO_RIGHT);
2624
2625         interthread_progress_window->set_border_width (12);
2626         interthread_progress_window->get_vbox()->set_spacing (6);
2627
2628         interthread_progress_label.set_alignment (0.5, 0.5);
2629
2630         interthread_progress_window->get_vbox()->pack_start (interthread_progress_label, false, false);
2631         interthread_progress_window->get_vbox()->pack_start (interthread_progress_bar,false, false);
2632
2633         // GTK2FIX: this button needs a modifiable label
2634
2635         Button* b = interthread_progress_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
2636         b->signal_clicked().connect (mem_fun(*this, &Editor::interthread_cancel_clicked));
2637
2638         interthread_cancel_button.add (interthread_cancel_label);
2639
2640         interthread_progress_window->set_default_size (200, 100);
2641 }
2642
2643 void
2644 Editor::interthread_cancel_clicked ()
2645 {
2646         if (current_interthread_info) {
2647                 current_interthread_info->cancel = true;
2648         }
2649 }
2650
2651 void
2652 Editor::region_from_selection ()
2653 {
2654         if (clicked_axisview == 0) {
2655                 return;
2656         }
2657
2658         if (selection->time.empty()) {
2659                 return;
2660         }
2661
2662         nframes64_t start = selection->time[clicked_selection].start;
2663         nframes64_t end = selection->time[clicked_selection].end;
2664
2665         TrackSelection tracks = get_tracks_for_range_action ();
2666
2667         nframes64_t selection_cnt = end - start + 1;
2668
2669         for (TrackSelection::iterator i = tracks.begin(); i != tracks.end(); ++i) {
2670                 boost::shared_ptr<Region> current;
2671                 boost::shared_ptr<Playlist> pl;
2672                 nframes64_t internal_start;
2673                 string new_name;
2674
2675                 if ((pl = (*i)->playlist()) == 0) {
2676                         continue;
2677                 }
2678
2679                 if ((current = pl->top_region_at (start)) == 0) {
2680                         continue;
2681                 }
2682
2683                 internal_start = start - current->position();
2684                 session->region_name (new_name, current->name(), true);
2685                 boost::shared_ptr<Region> region (RegionFactory::create (current,
2686                                 internal_start, selection_cnt, new_name));
2687         }
2688 }
2689
2690 void
2691 Editor::create_region_from_selection (vector<boost::shared_ptr<Region> >& new_regions)
2692 {
2693         if (selection->time.empty() || selection->tracks.empty()) {
2694                 return;
2695         }
2696
2697         nframes64_t start = selection->time[clicked_selection].start;
2698         nframes64_t end = selection->time[clicked_selection].end;
2699
2700         sort_track_selection ();
2701
2702         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
2703                 boost::shared_ptr<Region> current;
2704                 boost::shared_ptr<Playlist> playlist;
2705                 nframes64_t internal_start;
2706                 string new_name;
2707
2708                 if ((playlist = (*i)->playlist()) == 0) {
2709                         continue;
2710                 }
2711
2712                 if ((current = playlist->top_region_at(start)) == 0) {
2713                         continue;
2714                 }
2715
2716                 internal_start = start - current->position();
2717                 session->region_name (new_name, current->name(), true);
2718
2719                 new_regions.push_back (RegionFactory::create (current,
2720                                         internal_start, end - start + 1, new_name));
2721         }
2722 }
2723
2724 void
2725 Editor::split_multichannel_region ()
2726 {
2727         RegionSelection rs;
2728
2729         get_regions_for_action (rs);
2730
2731         if (rs.empty()) {
2732                 return;
2733         }
2734
2735         vector< boost::shared_ptr<Region> > v;
2736
2737         for (list<RegionView*>::iterator x = rs.begin(); x != rs.end(); ++x) {
2738                 (*x)->region()->separate_by_channel (*session, v);
2739         }
2740 }
2741
2742 void
2743 Editor::new_region_from_selection ()
2744 {
2745         region_from_selection ();
2746         cancel_selection ();
2747 }
2748
2749 static void
2750 add_if_covered (RegionView* rv, const AudioRange* ar, RegionSelection* rs)
2751 {
2752         switch (rv->region()->coverage (ar->start, ar->end - 1)) {
2753         case OverlapNone:
2754                 break;
2755         default:
2756                 rs->push_back (rv);
2757         }
2758 }
2759
2760 /** Return either:
2761  *    - selected tracks, or if there are none...
2762  *    - tracks containing selected regions, or if there are none...
2763  *    - all tracks
2764  * @return tracks.
2765  */
2766 TrackSelection
2767 Editor::get_tracks_for_range_action () const
2768 {
2769         TrackSelection t;
2770
2771         if (selection->tracks.empty()) {
2772
2773                 /* use tracks with selected regions */
2774
2775                 RegionSelection rs = selection->regions;
2776
2777                 for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
2778                         TimeAxisView* tv = &(*i)->get_time_axis_view();
2779
2780                         if (!t.contains (tv)) {
2781                                 t.push_back (tv);
2782                         }
2783                 }
2784
2785                 if (t.empty()) {
2786                         /* no regions and no tracks: use all tracks */
2787                         t = track_views;
2788                 }
2789
2790         } else {
2791
2792                 t = selection->tracks;
2793         }
2794
2795         return t;
2796 }
2797
2798 void
2799 Editor::separate_regions_between (const TimeSelection& ts)
2800 {
2801         bool in_command = false;
2802         boost::shared_ptr<Playlist> playlist;
2803         RegionSelection new_selection;
2804
2805         TrackSelection tmptracks = get_tracks_for_range_action ();
2806         sort_track_selection (&tmptracks);
2807
2808         for (TrackSelection::iterator i = tmptracks.begin(); i != tmptracks.end(); ++i) {
2809
2810                 RouteTimeAxisView* rtv;
2811
2812                 if ((rtv = dynamic_cast<RouteTimeAxisView*> ((*i))) != 0) {
2813
2814                         if (rtv->is_track()) {
2815
2816                                 /* no edits to destructive tracks */
2817
2818                                 if (rtv->track()->diskstream()->destructive()) {
2819                                         continue;
2820                                 }
2821
2822                                 if ((playlist = rtv->playlist()) != 0) {
2823
2824                                         XMLNode *before;
2825                                         bool got_some;
2826
2827                                         before = &(playlist->get_state());
2828                                         got_some = false;
2829
2830                                         /* XXX need to consider musical time selections here at some point */
2831
2832                                         double speed = rtv->get_diskstream()->speed();
2833
2834
2835                                         for (list<AudioRange>::const_iterator t = ts.begin(); t != ts.end(); ++t) {
2836
2837                                                 sigc::connection c = rtv->view()->RegionViewAdded.connect (
2838                                                                 mem_fun(*this, &Editor::collect_new_region_view));
2839                                                 latest_regionviews.clear ();
2840
2841                                                 playlist->partition ((nframes64_t)((*t).start * speed),
2842                                                                 (nframes64_t)((*t).end * speed), true);
2843
2844                                                 c.disconnect ();
2845
2846                                                 if (!latest_regionviews.empty()) {
2847
2848                                                         got_some = true;
2849
2850                                                         rtv->view()->foreach_regionview (bind (
2851                                                                                 sigc::ptr_fun (add_if_covered),
2852                                                                                 &(*t), &new_selection));
2853
2854                                                         if (!in_command) {
2855                                                                 begin_reversible_command (_("separate"));
2856                                                                 in_command = true;
2857                                                         }
2858
2859                                                         session->add_command(new MementoCommand<Playlist>(
2860                                                                         *playlist, before, &playlist->get_state()));
2861                                                 }
2862                                         }
2863
2864                                         if (!got_some) {
2865                                                 delete before;
2866                                         }
2867                                 }
2868                         }
2869                 }
2870         }
2871
2872         if (in_command) {
2873                 selection->set (new_selection);
2874                 set_mouse_mode (MouseObject);
2875
2876                 commit_reversible_command ();
2877         }
2878 }
2879
2880 /** Take tracks from get_tracks_for_range_action and cut any regions
2881  *  on those tracks so that the tracks are empty over the time
2882  *  selection.
2883  */
2884 void
2885 Editor::separate_region_from_selection ()
2886 {
2887         /* preferentially use *all* ranges in the time selection if we're in range mode
2888            to allow discontiguous operation, since get_edit_op_range() currently
2889            returns a single range.
2890         */
2891
2892         if (mouse_mode == MouseRange && !selection->time.empty()) {
2893
2894                 separate_regions_between (selection->time);
2895
2896         } else {
2897
2898                 nframes64_t start;
2899                 nframes64_t end;
2900
2901                 if (get_edit_op_range (start, end)) {
2902
2903                         AudioRange ar (start, end, 1);
2904                         TimeSelection ts;
2905                         ts.push_back (ar);
2906
2907                         separate_regions_between (ts);
2908                 }
2909         }
2910 }
2911
2912 void
2913 Editor::separate_region_from_punch ()
2914 {
2915         Location* loc  = session->locations()->auto_punch_location();
2916         if (loc) {
2917                 separate_regions_using_location (*loc);
2918         }
2919 }
2920
2921 void
2922 Editor::separate_region_from_loop ()
2923 {
2924         Location* loc  = session->locations()->auto_loop_location();
2925         if (loc) {
2926                 separate_regions_using_location (*loc);
2927         }
2928 }
2929
2930 void
2931 Editor::separate_regions_using_location (Location& loc)
2932 {
2933         if (loc.is_mark()) {
2934                 return;
2935         }
2936
2937         AudioRange ar (loc.start(), loc.end(), 1);
2938         TimeSelection ts;
2939
2940         ts.push_back (ar);
2941
2942         separate_regions_between (ts);
2943 }
2944
2945 void
2946 Editor::crop_region_to_selection ()
2947 {
2948         if (!selection->time.empty()) {
2949
2950                 crop_region_to (selection->time.start(), selection->time.end_frame());
2951
2952         } else {
2953
2954                 nframes64_t start;
2955                 nframes64_t end;
2956
2957                 if (get_edit_op_range (start, end)) {
2958                         crop_region_to (start, end);
2959                 }
2960         }
2961
2962 }
2963
2964 void
2965 Editor::crop_region_to (nframes64_t start, nframes64_t end)
2966 {
2967         vector<boost::shared_ptr<Playlist> > playlists;
2968         boost::shared_ptr<Playlist> playlist;
2969         TrackSelection* ts;
2970
2971         if (selection->tracks.empty()) {
2972                 ts = &track_views;
2973         } else {
2974                 sort_track_selection ();
2975                 ts = &selection->tracks;
2976         }
2977
2978         for (TrackSelection::iterator i = ts->begin(); i != ts->end(); ++i) {
2979
2980                 RouteTimeAxisView* rtv;
2981
2982                 if ((rtv = dynamic_cast<RouteTimeAxisView*> ((*i))) != 0) {
2983
2984                         boost::shared_ptr<Track> t = rtv->track();
2985
2986                         if (t != 0 && ! t->diskstream()->destructive()) {
2987
2988                                 if ((playlist = rtv->playlist()) != 0) {
2989                                         playlists.push_back (playlist);
2990                                 }
2991                         }
2992                 }
2993         }
2994
2995         if (playlists.empty()) {
2996                 return;
2997         }
2998
2999         nframes64_t the_start;
3000         nframes64_t the_end;
3001         nframes64_t cnt;
3002
3003         begin_reversible_command (_("trim to selection"));
3004
3005         for (vector<boost::shared_ptr<Playlist> >::iterator i = playlists.begin(); i != playlists.end(); ++i) {
3006
3007                 boost::shared_ptr<Region> region;
3008
3009                 the_start = start;
3010
3011                 if ((region = (*i)->top_region_at(the_start)) == 0) {
3012                         continue;
3013                 }
3014
3015                 /* now adjust lengths to that we do the right thing
3016                    if the selection extends beyond the region
3017                 */
3018
3019                 the_start = max (the_start, (nframes64_t) region->position());
3020                 if (max_frames - the_start < region->length()) {
3021                         the_end = the_start + region->length() - 1;
3022                 } else {
3023                         the_end = max_frames;
3024                 }
3025                 the_end = min (end, the_end);
3026                 cnt = the_end - the_start + 1;
3027
3028                 XMLNode &before = (*i)->get_state();
3029                 region->trim_to (the_start, cnt, this);
3030                 XMLNode &after = (*i)->get_state();
3031                 session->add_command (new MementoCommand<Playlist>(*(*i), &before, &after));
3032         }
3033
3034         commit_reversible_command ();
3035 }
3036
3037 void
3038 Editor::region_fill_track ()
3039 {
3040         nframes64_t end;
3041         RegionSelection rs;
3042
3043         get_regions_for_action (rs);
3044
3045         if (!session || rs.empty()) {
3046                 return;
3047         }
3048
3049         end = session->current_end_frame ();
3050
3051         begin_reversible_command (_("region fill"));
3052
3053         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
3054
3055                 boost::shared_ptr<Region> region ((*i)->region());
3056
3057                 boost::shared_ptr<Playlist> pl = region->playlist();
3058
3059                 if (end <= region->last_frame()) {
3060                         return;
3061                 }
3062
3063                 double times = (double) (end - region->last_frame()) / (double) region->length();
3064
3065                 if (times == 0) {
3066                         return;
3067                 }
3068
3069                 XMLNode &before = pl->get_state();
3070                 pl->add_region (RegionFactory::create (region), region->last_frame(), times);
3071                 session->add_command (new MementoCommand<Playlist>(*pl, &before, &pl->get_state()));
3072         }
3073
3074         commit_reversible_command ();
3075 }
3076
3077 void
3078 Editor::region_fill_selection ()
3079 {
3080         if (clicked_routeview == 0 || !clicked_routeview->is_audio_track()) {
3081                 return;
3082         }
3083
3084         if (selection->time.empty()) {
3085                 return;
3086         }
3087
3088         boost::shared_ptr<Region> region = _regions->get_single_selection ();
3089         if (region == 0) {
3090                 return;
3091         }
3092
3093         nframes64_t start = selection->time[clicked_selection].start;
3094         nframes64_t end = selection->time[clicked_selection].end;
3095
3096         boost::shared_ptr<Playlist> playlist;
3097
3098         if (selection->tracks.empty()) {
3099                 return;
3100         }
3101
3102         nframes64_t selection_length = end - start;
3103         float times = (float)selection_length / region->length();
3104
3105         begin_reversible_command (_("fill selection"));
3106
3107         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3108
3109                 if ((playlist = (*i)->playlist()) == 0) {
3110                         continue;
3111                 }
3112
3113                 XMLNode &before = playlist->get_state();
3114                 playlist->add_region (RegionFactory::create (region), start, times);
3115                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
3116         }
3117
3118         commit_reversible_command ();
3119 }
3120
3121 void
3122 Editor::set_region_sync_from_edit_point ()
3123 {
3124         nframes64_t where = get_preferred_edit_position ();
3125         RegionSelection rs;
3126         get_regions_for_action (rs);
3127         set_sync_point (where, rs);
3128 }
3129
3130 void
3131 Editor::set_sync_point (nframes64_t where, const RegionSelection& rs)
3132 {
3133         bool in_command = false;
3134
3135         for (RegionSelection::const_iterator r = rs.begin(); r != rs.end(); ++r) {
3136
3137                 if (!(*r)->region()->covers (where)) {
3138                         continue;
3139                 }
3140
3141                 boost::shared_ptr<Region> region ((*r)->region());
3142
3143                 if (!in_command) {
3144                         begin_reversible_command (_("set sync point"));
3145                         in_command = true;
3146                 }
3147
3148                 XMLNode &before = region->playlist()->get_state();
3149                 region->set_sync_position (where);
3150                 XMLNode &after = region->playlist()->get_state();
3151                 session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
3152         }
3153
3154         if (in_command) {
3155                 commit_reversible_command ();
3156         }
3157 }
3158
3159 /** Remove the sync positions of the selection */
3160 void
3161 Editor::remove_region_sync ()
3162 {
3163         RegionSelection rs;
3164
3165         get_regions_for_action (rs);
3166
3167         if (rs.empty()) {
3168                 return;
3169         }
3170
3171         begin_reversible_command (_("remove sync"));
3172         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
3173
3174                 XMLNode &before = (*i)->region()->playlist()->get_state();
3175                 (*i)->region()->clear_sync_position ();
3176                 XMLNode &after = (*i)->region()->playlist()->get_state();
3177                 session->add_command(new MementoCommand<Playlist>(*((*i)->region()->playlist()), &before, &after));
3178         }
3179         commit_reversible_command ();
3180 }
3181
3182 void
3183 Editor::naturalize ()
3184 {
3185         RegionSelection rs;
3186
3187         get_regions_for_action (rs);
3188
3189         if (rs.empty()) {
3190                 return;
3191         }
3192
3193         begin_reversible_command (_("naturalize"));
3194         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
3195                 XMLNode &before = (*i)->region()->get_state();
3196                 (*i)->region()->move_to_natural_position (this);
3197                 XMLNode &after = (*i)->region()->get_state();
3198                 session->add_command (new MementoCommand<Region>(*((*i)->region().get()), &before, &after));
3199         }
3200         commit_reversible_command ();
3201 }
3202
3203 void
3204 Editor::align (RegionPoint what)
3205 {
3206         RegionSelection rs;
3207
3208         get_regions_for_action (rs);
3209         nframes64_t where = get_preferred_edit_position();
3210
3211         if (!rs.empty()) {
3212                 align_selection (what, where, rs);
3213         } else {
3214
3215                 RegionSelection rs;
3216                 get_regions_at (rs, where, selection->tracks);
3217                 align_selection (what, where, rs);
3218         }
3219 }
3220
3221 void
3222 Editor::align_relative (RegionPoint what)
3223 {
3224         nframes64_t where = get_preferred_edit_position();
3225         RegionSelection rs;
3226
3227         get_regions_for_action (rs);
3228
3229         if (!rs.empty()) {
3230                 align_selection_relative (what, where, rs);
3231         }
3232 }
3233
3234 struct RegionSortByTime {
3235     bool operator() (const RegionView* a, const RegionView* b) {
3236             return a->region()->position() < b->region()->position();
3237     }
3238 };
3239
3240 void
3241 Editor::align_selection_relative (RegionPoint point, nframes64_t position, const RegionSelection& rs)
3242 {
3243         if (rs.empty()) {
3244                 return;
3245         }
3246
3247         nframes64_t distance = 0;
3248         nframes64_t pos = 0;
3249         int dir = 1;
3250
3251         list<RegionView*> sorted;
3252         rs.by_position (sorted);
3253
3254         boost::shared_ptr<Region> r ((*sorted.begin())->region());
3255
3256         switch (point) {
3257         case Start:
3258                 pos = position;
3259                 if (position > r->position()) {
3260                         distance = position - r->position();
3261                 } else {
3262                         distance = r->position() - position;
3263                         dir = -1;
3264                 }
3265                 break;
3266
3267         case End:
3268                 if (position > r->last_frame()) {
3269                         distance = position - r->last_frame();
3270                         pos = r->position() + distance;
3271                 } else {
3272                         distance = r->last_frame() - position;
3273                         pos = r->position() - distance;
3274                         dir = -1;
3275                 }
3276                 break;
3277
3278         case SyncPoint:
3279                 pos = r->adjust_to_sync (position);
3280                 if (pos > r->position()) {
3281                         distance = pos - r->position();
3282                 } else {
3283                         distance = r->position() - pos;
3284                         dir = -1;
3285                 }
3286                 break;
3287         }
3288
3289         if (pos == r->position()) {
3290                 return;
3291         }
3292
3293         begin_reversible_command (_("align selection (relative)"));
3294
3295         /* move first one specially */
3296
3297         XMLNode &before = r->playlist()->get_state();
3298         r->set_position (pos, this);
3299         XMLNode &after = r->playlist()->get_state();
3300         session->add_command(new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
3301
3302         /* move rest by the same amount */
3303
3304         sorted.pop_front();
3305
3306         for (list<RegionView*>::iterator i = sorted.begin(); i != sorted.end(); ++i) {
3307
3308                 boost::shared_ptr<Region> region ((*i)->region());
3309
3310                 XMLNode &before = region->playlist()->get_state();
3311
3312                 if (dir > 0) {
3313                         region->set_position (region->position() + distance, this);
3314                 } else {
3315                         region->set_position (region->position() - distance, this);
3316                 }
3317
3318                 XMLNode &after = region->playlist()->get_state();
3319                 session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
3320
3321         }
3322
3323         commit_reversible_command ();
3324 }
3325
3326 void
3327 Editor::align_selection (RegionPoint point, nframes64_t position, const RegionSelection& rs)
3328 {
3329         if (rs.empty()) {
3330                 return;
3331         }
3332
3333         begin_reversible_command (_("align selection"));
3334
3335         for (RegionSelection::const_iterator i = rs.begin(); i != rs.end(); ++i) {
3336                 align_region_internal ((*i)->region(), point, position);
3337         }
3338
3339         commit_reversible_command ();
3340 }
3341
3342 void
3343 Editor::align_region (boost::shared_ptr<Region> region, RegionPoint point, nframes64_t position)
3344 {
3345         begin_reversible_command (_("align region"));
3346         align_region_internal (region, point, position);
3347         commit_reversible_command ();
3348 }
3349
3350 void
3351 Editor::align_region_internal (boost::shared_ptr<Region> region, RegionPoint point, nframes64_t position)
3352 {
3353         XMLNode &before = region->playlist()->get_state();
3354
3355         switch (point) {
3356         case SyncPoint:
3357                 region->set_position (region->adjust_to_sync (position), this);
3358                 break;
3359
3360         case End:
3361                 if (position > region->length()) {
3362                         region->set_position (position - region->length(), this);
3363                 }
3364                 break;
3365
3366         case Start:
3367                 region->set_position (position, this);
3368                 break;
3369         }
3370
3371         XMLNode &after = region->playlist()->get_state();
3372         session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
3373 }
3374
3375 void
3376 Editor::trim_region_front ()
3377 {
3378         trim_region (true);
3379 }
3380
3381 void
3382 Editor::trim_region_back ()
3383 {
3384         trim_region (false);
3385 }
3386
3387 void
3388 Editor::trim_region (bool front)
3389 {
3390         nframes64_t where = get_preferred_edit_position();
3391         RegionSelection rs;
3392
3393         get_regions_for_action (rs);
3394
3395         if (rs.empty()) {
3396                 return;
3397         }
3398
3399         begin_reversible_command (front ? _("trim front") : _("trim back"));
3400
3401         for (list<RegionView*>::const_iterator i = rs.by_layer().begin(); i != rs.by_layer().end(); ++i) {
3402                 if (!(*i)->region()->locked()) {
3403                         boost::shared_ptr<Playlist> pl = (*i)->region()->playlist();
3404                         XMLNode &before = pl->get_state();
3405                         if (front) {
3406                                 (*i)->region()->trim_front (where, this);
3407                         } else {
3408                                 (*i)->region()->trim_end (where, this);
3409                         }
3410                         XMLNode &after = pl->get_state();
3411                         session->add_command(new MementoCommand<Playlist>(*pl.get(), &before, &after));
3412                 }
3413         }
3414
3415         commit_reversible_command ();
3416 }
3417
3418 /** Trim the end of the selected regions to the position of the edit cursor */
3419 void
3420 Editor::trim_region_to_loop ()
3421 {
3422         Location* loc = session->locations()->auto_loop_location();
3423         if (!loc) {
3424                 return;
3425         }
3426         trim_region_to_location (*loc, _("trim to loop"));
3427 }
3428
3429 void
3430 Editor::trim_region_to_punch ()
3431 {
3432         Location* loc = session->locations()->auto_punch_location();
3433         if (!loc) {
3434                 return;
3435         }
3436         trim_region_to_location (*loc, _("trim to punch"));
3437 }
3438 void
3439 Editor::trim_region_to_location (const Location& loc, const char* str)
3440 {
3441         RegionSelection rs;
3442
3443         get_regions_for_action (rs);
3444
3445         begin_reversible_command (str);
3446
3447         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3448                 RegionView* rv = (*x);
3449
3450                 /* require region to span proposed trim */
3451                 switch (rv->region()->coverage (loc.start(), loc.end())) {
3452                 case OverlapInternal:
3453                         break;
3454                 default:
3455                         continue;
3456                 }
3457
3458                 RouteTimeAxisView* tav = dynamic_cast<RouteTimeAxisView*> (&rv->get_time_axis_view());
3459                 if (!tav) {
3460                         return;
3461                 }
3462
3463                 float speed = 1.0;
3464                 nframes64_t start;
3465                 nframes64_t end;
3466
3467                 if (tav->get_diskstream() != 0) {
3468                         speed = tav->get_diskstream()->speed();
3469                 }
3470
3471                 start = session_frame_to_track_frame (loc.start(), speed);
3472                 end = session_frame_to_track_frame (loc.end(), speed);
3473
3474                 XMLNode &before = rv->region()->playlist()->get_state();
3475                 rv->region()->trim_to (start, (end - start), this);
3476                 XMLNode &after = rv->region()->playlist()->get_state();
3477                 session->add_command(new MementoCommand<Playlist>(
3478                                 *(rv->region()->playlist()), &before, &after));
3479         }
3480
3481         commit_reversible_command ();
3482 }
3483
3484 void
3485 Editor::trim_region_to_edit_point ()
3486 {
3487         RegionSelection rs;
3488
3489         get_regions_for_action (rs);
3490
3491         nframes64_t where = get_preferred_edit_position();
3492
3493         begin_reversible_command (_("trim region start to edit point"));
3494
3495         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3496                 RegionView* rv = (*x);
3497
3498                 /* require region to cover trim */
3499                 if (!rv->region()->covers (where)) {
3500                         continue;
3501                 }
3502
3503                 RouteTimeAxisView* tav = dynamic_cast<RouteTimeAxisView*> (&rv->get_time_axis_view());
3504                 if (!tav) {
3505                         return;
3506                 }
3507
3508                 float speed = 1.0;
3509
3510                 if (tav->get_diskstream() != 0) {
3511                         speed = tav->get_diskstream()->speed();
3512                 }
3513
3514                 XMLNode &before = rv->region()->playlist()->get_state();
3515                 rv->region()->trim_end( session_frame_to_track_frame(where, speed), this);
3516                 XMLNode &after = rv->region()->playlist()->get_state();
3517                 session->add_command(new MementoCommand<Playlist>(
3518                                 *(rv->region()->playlist()), &before, &after));
3519         }
3520
3521         commit_reversible_command ();
3522 }
3523
3524 void
3525 Editor::trim_region_from_edit_point ()
3526 {
3527         RegionSelection rs;
3528
3529         get_regions_for_action (rs);
3530
3531         nframes64_t where = get_preferred_edit_position();
3532
3533         begin_reversible_command (_("trim region end to edit point"));
3534
3535         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3536                 RegionView* rv = (*x);
3537
3538                 /* require region to cover trim */
3539                 if (!rv->region()->covers (where)) {
3540                         continue;
3541                 }
3542
3543                 RouteTimeAxisView* tav = dynamic_cast<RouteTimeAxisView*> (&rv->get_time_axis_view());
3544                 if (!tav) {
3545                         return;
3546                 }
3547
3548                 float speed = 1.0;
3549
3550                 if (tav->get_diskstream() != 0) {
3551                         speed = tav->get_diskstream()->speed();
3552                 }
3553
3554                 XMLNode &before = rv->region()->playlist()->get_state();
3555                 rv->region()->trim_front ( session_frame_to_track_frame(where, speed), this);
3556                 XMLNode &after = rv->region()->playlist()->get_state();
3557                 session->add_command(new MementoCommand<Playlist>(
3558                                 *(rv->region()->playlist()), &before, &after));
3559         }
3560
3561         commit_reversible_command ();
3562 }
3563
3564 void
3565 Editor::trim_region_to_previous_region_end ()
3566 {
3567         return trim_to_region(false);
3568 }
3569
3570 void
3571 Editor::trim_region_to_next_region_start ()
3572 {
3573         return trim_to_region(true);
3574 }
3575
3576 void
3577 Editor::trim_to_region(bool forward)
3578 {
3579         RegionSelection rs;
3580
3581         get_regions_for_action (rs);
3582
3583         begin_reversible_command (_("trim to region"));
3584
3585         boost::shared_ptr<Region> next_region;
3586
3587         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3588
3589                 AudioRegionView* arv = dynamic_cast<AudioRegionView*> (*x);
3590
3591                 if (!arv) {
3592                         continue;
3593                 }
3594
3595                 AudioTimeAxisView* atav = dynamic_cast<AudioTimeAxisView*> (&arv->get_time_axis_view());
3596
3597                 if (!atav) {
3598                         return;
3599                 }
3600
3601                 float speed = 1.0;
3602
3603                 if (atav->get_diskstream() != 0) {
3604                         speed = atav->get_diskstream()->speed();
3605                 }
3606
3607
3608                 boost::shared_ptr<Region> region = arv->region();
3609                 boost::shared_ptr<Playlist> playlist (region->playlist());
3610
3611                 XMLNode &before = playlist->get_state();
3612
3613                 if(forward){
3614
3615                     next_region = playlist->find_next_region (region->first_frame(), Start, 1);
3616
3617                     if(!next_region){
3618                         continue;
3619                     }
3620
3621                     region->trim_end((nframes64_t) (next_region->first_frame() * speed), this);
3622                     arv->region_changed (Change (LengthChanged));
3623                 }
3624                 else {
3625
3626                     next_region = playlist->find_next_region (region->first_frame(), Start, 0);
3627
3628                     if(!next_region){
3629                         continue;
3630                     }
3631
3632                     region->trim_front((nframes64_t) ((next_region->last_frame() + 1) * speed), this);
3633                     arv->region_changed (Change (LengthChanged|PositionChanged|StartChanged));
3634                 }
3635
3636                 XMLNode &after = playlist->get_state();
3637                 session->add_command(new MementoCommand<Playlist>(*playlist, &before, &after));
3638         }
3639
3640         commit_reversible_command ();
3641 }
3642
3643 void
3644 Editor::unfreeze_route ()
3645 {
3646         if (clicked_routeview == 0 || !clicked_routeview->is_track()) {
3647                 return;
3648         }
3649
3650         clicked_routeview->track()->unfreeze ();
3651 }
3652
3653 void*
3654 Editor::_freeze_thread (void* arg)
3655 {
3656         PBD::notify_gui_about_thread_creation (pthread_self(), X_("Freeze"));
3657         SessionEvent::create_per_thread_pool ("freeze events", 64);
3658
3659         return static_cast<Editor*>(arg)->freeze_thread ();
3660 }
3661
3662 void*
3663 Editor::freeze_thread ()
3664 {
3665         clicked_routeview->audio_track()->freeze (*current_interthread_info);
3666         current_interthread_info->done = true;
3667         return 0;
3668 }
3669
3670 gint
3671 Editor::freeze_progress_timeout (void */*arg*/)
3672 {
3673         interthread_progress_bar.set_fraction (current_interthread_info->progress);
3674         return !(current_interthread_info->done || current_interthread_info->cancel);
3675 }
3676
3677 void
3678 Editor::freeze_route ()
3679 {
3680         if (clicked_routeview == 0 || !clicked_routeview->is_audio_track()) {
3681                 return;
3682         }
3683
3684         InterThreadInfo itt;
3685
3686         if (interthread_progress_window == 0) {
3687                 build_interthread_progress_window ();
3688         }
3689
3690         interthread_progress_window->set_title (_("Freeze"));
3691         interthread_progress_window->set_position (Gtk::WIN_POS_MOUSE);
3692         interthread_progress_window->show_all ();
3693         interthread_progress_bar.set_fraction (0.0f);
3694         interthread_progress_label.set_text ("");
3695         interthread_cancel_label.set_text (_("Cancel Freeze"));
3696         current_interthread_info = &itt;
3697
3698         interthread_progress_connection =
3699           Glib::signal_timeout().connect (bind (mem_fun(*this, &Editor::freeze_progress_timeout), (gpointer) 0), 100);
3700
3701         itt.done = false;
3702         itt.cancel = false;
3703         itt.progress = 0.0f;
3704
3705         pthread_attr_t attr;
3706         pthread_attr_init(&attr);
3707         pthread_attr_setstacksize(&attr, 500000);
3708
3709         pthread_create_and_store (X_("freezer"), &itt.thread, &attr, _freeze_thread, this);
3710
3711         pthread_attr_destroy(&attr);
3712
3713         track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
3714
3715         while (!itt.done && !itt.cancel) {
3716                 gtk_main_iteration ();
3717         }
3718
3719         interthread_progress_connection.disconnect ();
3720         interthread_progress_window->hide_all ();
3721         current_interthread_info = 0;
3722         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
3723 }
3724
3725 void
3726 Editor::bounce_range_selection (bool replace, bool enable_processing)
3727 {
3728         if (selection->time.empty()) {
3729                 return;
3730         }
3731
3732         TrackSelection views = selection->tracks;
3733
3734         nframes64_t start = selection->time[clicked_selection].start;
3735         nframes64_t end = selection->time[clicked_selection].end;
3736         nframes64_t cnt = end - start + 1;
3737
3738         begin_reversible_command (_("bounce range"));
3739
3740         for (TrackViewList::iterator i = views.begin(); i != views.end(); ++i) {
3741
3742                 RouteTimeAxisView* rtv;
3743
3744                 if ((rtv = dynamic_cast<RouteTimeAxisView*> (*i)) == 0) {
3745                         continue;
3746                 }
3747
3748                 boost::shared_ptr<Playlist> playlist;
3749
3750                 if ((playlist = rtv->playlist()) == 0) {
3751                         return;
3752                 }
3753
3754                 InterThreadInfo itt;
3755
3756                 itt.done = false;
3757                 itt.cancel = false;
3758                 itt.progress = false;
3759
3760                 XMLNode &before = playlist->get_state();
3761                 boost::shared_ptr<Region> r = rtv->track()->bounce_range (start, start+cnt, itt, enable_processing);
3762
3763                 if (replace) {
3764                         list<AudioRange> ranges;
3765                         ranges.push_back (AudioRange (start, start+cnt, 0));
3766                         playlist->cut (ranges); // discard result
3767                         playlist->add_region (r, start);
3768                 }
3769
3770                 XMLNode &after = playlist->get_state();
3771                 session->add_command (new MementoCommand<Playlist> (*playlist, &before, &after));
3772         }
3773
3774         commit_reversible_command ();
3775 }
3776
3777 /** Cut selected regions, automation points or a time range */
3778 void
3779 Editor::cut ()
3780 {
3781         cut_copy (Cut);
3782 }
3783
3784 /** Copy selected regions, automation points or a time range */
3785 void
3786 Editor::copy ()
3787 {
3788         cut_copy (Copy);
3789 }
3790
3791
3792 /** @return true if a Cut, Copy or Clear is possible */
3793 bool
3794 Editor::can_cut_copy () const
3795 {
3796         switch (current_mouse_mode()) {
3797
3798         case MouseObject:
3799                 if (!selection->regions.empty() || !selection->points.empty()) {
3800                         return true;
3801                 }
3802                 break;
3803
3804         case MouseRange:
3805                 if (!selection->time.empty()) {
3806                         return true;
3807                 }
3808                 break;
3809
3810         default:
3811                 break;
3812         }
3813
3814         return false;
3815 }
3816
3817
3818 /** Cut, copy or clear selected regions, automation points or a time range.
3819  * @param op Operation (Cut, Copy or Clear)
3820  */
3821 void
3822 Editor::cut_copy (CutCopyOp op)
3823 {
3824         /* only cancel selection if cut/copy is successful.*/
3825
3826         string opname;
3827
3828         switch (op) {
3829         case Cut:
3830                 opname = _("cut");
3831                 break;
3832         case Copy:
3833                 opname = _("copy");
3834                 break;
3835         case Clear:
3836                 opname = _("clear");
3837                 break;
3838         }
3839
3840         /* if we're deleting something, and the mouse is still pressed,
3841            the thing we started a drag for will be gone when we release
3842            the mouse button(s). avoid this. see part 2 at the end of
3843            this function.
3844         */
3845
3846         if (op == Cut || op == Clear) {
3847                 if (_drag) {
3848                         _drag->item()->ungrab (0);
3849                         delete _drag;
3850                         _drag = 0;
3851                 }
3852         }
3853
3854         cut_buffer->clear ();
3855
3856         if (entered_marker) {
3857
3858                 /* cut/delete op while pointing at a marker */
3859
3860                 bool ignored;
3861                 Location* loc = find_location_from_marker (entered_marker, ignored);
3862
3863                 if (session && loc) {
3864                         Glib::signal_idle().connect (bind (mem_fun(*this, &Editor::really_remove_marker), loc));
3865                 }
3866
3867                 break_drag ();
3868                 delete _drag;
3869                 _drag = 0;
3870
3871                 return;
3872         }
3873
3874         if (internal_editing()) {
3875
3876                 switch (current_mouse_mode()) {
3877                 case MouseObject:
3878                 case MouseRange:
3879                         cut_copy_midi (op);
3880                         break;
3881                 default:
3882                         break;
3883                 }
3884
3885         } else {
3886
3887                 RegionSelection rs;
3888
3889                 /* we only want to cut regions if some are selected */
3890
3891                 if (!selection->regions.empty()) {
3892                         get_regions_for_action (rs, false, false);
3893                 }
3894
3895                 switch (current_mouse_mode()) {
3896                 case MouseObject:
3897                         if (!rs.empty() || !selection->points.empty()) {
3898
3899                                 begin_reversible_command (opname + _(" objects"));
3900
3901                                 if (!rs.empty()) {
3902                                         cut_copy_regions (op, rs);
3903
3904                                         if (op == Cut) {
3905                                                 selection->clear_regions ();
3906                                         }
3907                                 }
3908
3909                                 if (!selection->points.empty()) {
3910                                         cut_copy_points (op);
3911
3912                                         if (op == Cut) {
3913                                                 selection->clear_points ();
3914                                         }
3915                                 }
3916
3917                                 commit_reversible_command ();
3918                                 break; // terminate case statement here
3919                         }
3920                         if (!selection->time.empty()) {
3921                                 /* don't cause suprises */
3922                                 break;
3923                         }
3924                         // fall thru if there was nothing selected
3925
3926                 case MouseRange:
3927                         if (selection->time.empty()) {
3928                                 nframes64_t start, end;
3929                                 if (!get_edit_op_range (start, end)) {
3930                                         return;
3931                                 }
3932                                 selection->set ((TimeAxisView*) 0, start, end);
3933                         }
3934
3935                         begin_reversible_command (opname + _(" range"));
3936                         cut_copy_ranges (op);
3937                         commit_reversible_command ();
3938
3939                         if (op == Cut) {
3940                                 selection->clear_time ();
3941                         }
3942
3943                         break;
3944
3945                 default:
3946                         break;
3947                 }
3948         }
3949
3950         if (op == Cut || op == Clear) {
3951                 break_drag ();
3952                 delete _drag;
3953                 _drag = 0;
3954         }
3955 }
3956
3957 /** Cut, copy or clear selected automation points.
3958  * @param op Operation (Cut, Copy or Clear)
3959  */
3960 void
3961 Editor::cut_copy_points (CutCopyOp op)
3962 {
3963         for (PointSelection::iterator i = selection->points.begin(); i != selection->points.end(); ++i) {
3964
3965                 AutomationTimeAxisView* atv = dynamic_cast<AutomationTimeAxisView*>(&(*i).track);
3966
3967                 if (atv) {
3968                         atv->cut_copy_clear_objects (selection->points, op);
3969                 }
3970         }
3971 }
3972
3973 /** Cut, copy or clear selected automation points.
3974  * @param op Operation (Cut, Copy or Clear)
3975  */
3976 void
3977 Editor::cut_copy_midi (CutCopyOp op)
3978 {
3979         for (MidiRegionSelection::iterator i = selection->midi_regions.begin(); i != selection->midi_regions.end(); ++i) {
3980                 MidiRegionView* mrv = *i;
3981                 mrv->cut_copy_clear (op);
3982         }
3983 }
3984
3985 struct PlaylistState {
3986     boost::shared_ptr<Playlist> playlist;
3987     XMLNode*  before;
3988 };
3989
3990 struct lt_playlist {
3991     bool operator () (const PlaylistState& a, const PlaylistState& b) {
3992             return a.playlist < b.playlist;
3993     }
3994 };
3995
3996 struct PlaylistMapping {
3997     TimeAxisView* tv;
3998     boost::shared_ptr<Playlist> pl;
3999
4000     PlaylistMapping (TimeAxisView* tvp) : tv (tvp) {}
4001 };
4002
4003 /** Remove `clicked_regionview' */
4004 void
4005 Editor::remove_clicked_region ()
4006 {
4007         if (clicked_routeview == 0 || clicked_regionview == 0) {
4008                 return;
4009         }
4010
4011         boost::shared_ptr<Playlist> playlist = clicked_routeview->playlist();
4012
4013         begin_reversible_command (_("remove region"));
4014         XMLNode &before = playlist->get_state();
4015         playlist->remove_region (clicked_regionview->region());
4016         XMLNode &after = playlist->get_state();
4017         session->add_command(new MementoCommand<Playlist>(*playlist, &before, &after));
4018         commit_reversible_command ();
4019 }
4020
4021
4022 /** Remove the selected regions */
4023 void
4024 Editor::remove_selected_regions ()
4025 {
4026         RegionSelection rs;
4027         get_regions_for_action (rs);
4028
4029         if (!session) {
4030                 return;
4031         }
4032
4033         if (rs.empty()) {
4034                 return;
4035         }
4036
4037         begin_reversible_command (_("remove region"));
4038
4039         list<boost::shared_ptr<Region> > regions_to_remove;
4040
4041         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4042                 // we can't just remove the region(s) in this loop because
4043                 // this removes them from the RegionSelection, and they thus
4044                 // disappear from underneath the iterator, and the ++i above
4045                 // SEGVs in a puzzling fashion.
4046
4047                 // so, first iterate over the regions to be removed from rs and
4048                 // add them to the regions_to_remove list, and then
4049                 // iterate over the list to actually remove them.
4050
4051                 regions_to_remove.push_back ((*i)->region());
4052         }
4053
4054         vector<PlaylistState> playlists;
4055
4056         for (list<boost::shared_ptr<Region> >::iterator rl = regions_to_remove.begin(); rl != regions_to_remove.end(); ++rl) {
4057
4058                 boost::shared_ptr<Playlist> playlist = (*rl)->playlist();
4059
4060                 if (!playlist) {
4061                         // is this check necessary?
4062                         continue;
4063                 }
4064
4065                 vector<PlaylistState>::iterator i;
4066
4067                 //only take state if this is a new playlist.
4068                 for (i = playlists.begin(); i != playlists.end(); ++i) {
4069                         if ((*i).playlist == playlist) {
4070                                 break;
4071                         }
4072                 }
4073
4074                 if (i == playlists.end()) {
4075
4076                         PlaylistState before;
4077                         before.playlist = playlist;
4078                         before.before = &playlist->get_state();
4079
4080                         playlist->freeze ();
4081                         playlists.push_back(before);
4082                 }
4083
4084                 playlist->remove_region (*rl);
4085         }
4086
4087         vector<PlaylistState>::iterator pl;
4088
4089         for (pl = playlists.begin(); pl != playlists.end(); ++pl) {
4090                 (*pl).playlist->thaw ();
4091                 session->add_command(new MementoCommand<Playlist>(*(*pl).playlist, (*pl).before, &(*pl).playlist->get_state()));
4092         }
4093
4094         commit_reversible_command ();
4095 }
4096
4097 /** Cut, copy or clear selected regions.
4098  * @param op Operation (Cut, Copy or Clear)
4099  */
4100 void
4101 Editor::cut_copy_regions (CutCopyOp op, RegionSelection& rs)
4102 {
4103         /* we can't use a std::map here because the ordering is important, and we can't trivially sort
4104            a map when we want ordered access to both elements. i think.
4105         */
4106
4107         vector<PlaylistMapping> pmap;
4108
4109         nframes64_t first_position = max_frames;
4110
4111         set<PlaylistState, lt_playlist> freezelist;
4112         pair<set<PlaylistState, lt_playlist>::iterator,bool> insert_result;
4113
4114         /* get ordering correct before we cut/copy */
4115
4116         rs.sort_by_position_and_track ();
4117
4118         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
4119
4120                 first_position = min ((nframes64_t) (*x)->region()->position(), first_position);
4121
4122                 if (op == Cut || op == Clear) {
4123                         boost::shared_ptr<Playlist> pl = (*x)->region()->playlist();
4124
4125                         if (pl) {
4126                                 set<PlaylistState, lt_playlist>::iterator fl;
4127
4128                                 //only take state if this is a new playlist.
4129                                 for (fl = freezelist.begin(); fl != freezelist.end(); ++fl) {
4130                                         if ((*fl).playlist == pl) {
4131                                                 break;
4132                                         }
4133                                 }
4134
4135                                 if (fl == freezelist.end()) {
4136                                         PlaylistState before;
4137                                         before.playlist = pl;
4138                                         before.before = &pl->get_state();
4139                                         pl->freeze ();
4140                                         insert_result = freezelist.insert (before);
4141                                 }
4142                         }
4143                 }
4144
4145                 TimeAxisView* tv = &(*x)->get_trackview();
4146                 vector<PlaylistMapping>::iterator z;
4147
4148                 for (z = pmap.begin(); z != pmap.end(); ++z) {
4149                         if ((*z).tv == tv) {
4150                                 break;
4151                         }
4152                 }
4153
4154                 if (z == pmap.end()) {
4155                         pmap.push_back (PlaylistMapping (tv));
4156                 }
4157         }
4158
4159         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ) {
4160
4161                 boost::shared_ptr<Playlist> pl = (*x)->region()->playlist();
4162
4163                 if (!pl) {
4164                         /* impossible, but this handles it for the future */
4165                         continue;
4166                 }
4167
4168                 TimeAxisView& tv = (*x)->get_trackview();
4169                 boost::shared_ptr<Playlist> npl;
4170                 RegionSelection::iterator tmp;
4171
4172                 tmp = x;
4173                 ++tmp;
4174
4175                 vector<PlaylistMapping>::iterator z;
4176
4177                 for (z = pmap.begin(); z != pmap.end(); ++z) {
4178                         if ((*z).tv == &tv) {
4179                                 break;
4180                         }
4181                 }
4182
4183                 assert (z != pmap.end());
4184
4185                 if (!(*z).pl) {
4186                         npl = PlaylistFactory::create (pl->data_type(), *session, "cutlist", true);
4187                         npl->freeze();
4188                         (*z).pl = npl;
4189                 } else {
4190                         npl = (*z).pl;
4191                 }
4192
4193                 boost::shared_ptr<Region> r = (*x)->region();
4194                 boost::shared_ptr<Region> _xx;
4195
4196                 assert (r != 0);
4197
4198                 switch (op) {
4199                 case Cut:
4200                         _xx = RegionFactory::create (r);
4201                         npl->add_region (_xx, r->position() - first_position);
4202                         pl->remove_region (r);
4203                         break;
4204
4205                 case Copy:
4206                         /* copy region before adding, so we're not putting same object into two different playlists */
4207                         npl->add_region (RegionFactory::create (r), r->position() - first_position);
4208                         break;
4209
4210                 case Clear:
4211                         pl->remove_region (r);
4212                         break;
4213                 }
4214
4215                 x = tmp;
4216         }
4217
4218         list<boost::shared_ptr<Playlist> > foo;
4219
4220         /* the pmap is in the same order as the tracks in which selected regions occured */
4221
4222         for (vector<PlaylistMapping>::iterator i = pmap.begin(); i != pmap.end(); ++i) {
4223                 (*i).pl->thaw();
4224                 foo.push_back ((*i).pl);
4225         }
4226
4227
4228         if (!foo.empty()) {
4229                 cut_buffer->set (foo);
4230         }
4231
4232         for (set<PlaylistState, lt_playlist>::iterator pl = freezelist.begin(); pl != freezelist.end(); ++pl) {
4233                 (*pl).playlist->thaw ();
4234                 session->add_command (new MementoCommand<Playlist>(*(*pl).playlist, (*pl).before, &(*pl).playlist->get_state()));
4235         }
4236 }
4237
4238 void
4239 Editor::cut_copy_ranges (CutCopyOp op)
4240 {
4241         TrackSelection* ts;
4242         TrackSelection entered;
4243
4244         if (selection->tracks.empty()) {
4245                 if (!entered_track) {
4246                         return;
4247                 }
4248                 entered.push_back (entered_track);
4249                 ts = &entered;
4250         } else {
4251                 ts = &selection->tracks;
4252         }
4253
4254         for (TrackSelection::iterator i = ts->begin(); i != ts->end(); ++i) {
4255                 (*i)->cut_copy_clear (*selection, op);
4256         }
4257 }
4258
4259 void
4260 Editor::paste (float times)
4261 {
4262         paste_internal (get_preferred_edit_position(), times);
4263 }
4264
4265 void
4266 Editor::mouse_paste ()
4267 {
4268         nframes64_t where;
4269         bool ignored;
4270
4271         if (!mouse_frame (where, ignored)) {
4272                 return;
4273         }
4274
4275         snap_to (where);
4276         paste_internal (where, 1);
4277 }
4278
4279 void
4280 Editor::paste_internal (nframes64_t position, float times)
4281 {
4282         bool commit = false;
4283
4284         if (internal_editing()) {
4285                 if (cut_buffer->midi_notes.empty()) {
4286                         return;
4287                 }
4288         } else {
4289                 if (cut_buffer->empty()) {
4290                         return;
4291                 }
4292         }
4293
4294         if (position == max_frames) {
4295                 position = get_preferred_edit_position();
4296         }
4297
4298         begin_reversible_command (_("paste"));
4299
4300         TrackSelection ts;
4301         TrackSelection::iterator i;
4302         size_t nth;
4303
4304         /* get everything in the correct order */
4305
4306         if (!selection->tracks.empty()) {
4307                 sort_track_selection ();
4308                 ts = selection->tracks;
4309         } else if (entered_track) {
4310                 ts.push_back (entered_track);
4311         }
4312
4313         for (nth = 0, i = ts.begin(); i != ts.end(); ++i, ++nth) {
4314
4315                 /* undo/redo is handled by individual tracks/regions */
4316
4317                 if (internal_editing()) {
4318
4319                         RegionSelection rs;
4320                         RegionSelection::iterator r;
4321                         MidiNoteSelection::iterator cb;
4322
4323                         get_regions_at (rs, position, ts);
4324
4325                         for (cb = cut_buffer->midi_notes.begin(), r = rs.begin();
4326                              cb != cut_buffer->midi_notes.end() && r != rs.end(); ++r) {
4327                                 MidiRegionView* mrv = dynamic_cast<MidiRegionView*> (*r);
4328                                 if (mrv) {
4329                                         mrv->paste (position, times, **cb);
4330                                         ++cb;
4331                                 }
4332                         }
4333
4334                 } else {
4335
4336                         if ((*i)->paste (position, times, *cut_buffer, nth)) {
4337                                 commit = true;
4338                         }
4339                 }
4340         }
4341
4342         if (commit) {
4343                 commit_reversible_command ();
4344         }
4345 }
4346
4347 void
4348 Editor::duplicate_some_regions (RegionSelection& regions, float times)
4349 {
4350         boost::shared_ptr<Playlist> playlist;
4351         RegionSelection sel = regions; // clear (below) may  clear the argument list if its the current region selection
4352         RegionSelection foo;
4353
4354         nframes_t const start_frame = regions.start ();
4355         nframes_t const end_frame = regions.end_frame ();
4356
4357         begin_reversible_command (_("duplicate region"));
4358
4359         selection->clear_regions ();
4360
4361         for (RegionSelection::iterator i = sel.begin(); i != sel.end(); ++i) {
4362
4363                 boost::shared_ptr<Region> r ((*i)->region());
4364
4365                 TimeAxisView& tv = (*i)->get_time_axis_view();
4366                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (&tv);
4367                 latest_regionviews.clear ();
4368                 sigc::connection c = rtv->view()->RegionViewAdded.connect (mem_fun(*this, &Editor::collect_new_region_view));
4369
4370                 playlist = (*i)->region()->playlist();
4371                 XMLNode &before = playlist->get_state();
4372                 playlist->duplicate (r, end_frame + (r->first_frame() - start_frame) + 1, times);
4373                 session->add_command(new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
4374
4375                 c.disconnect ();
4376
4377                 foo.insert (foo.end(), latest_regionviews.begin(), latest_regionviews.end());
4378         }
4379
4380         commit_reversible_command ();
4381
4382         if (!foo.empty()) {
4383                 selection->set (foo);
4384         }
4385 }
4386
4387 void
4388 Editor::duplicate_selection (float times)
4389 {
4390         if (selection->time.empty() || selection->tracks.empty()) {
4391                 return;
4392         }
4393
4394         boost::shared_ptr<Playlist> playlist;
4395         vector<boost::shared_ptr<Region> > new_regions;
4396         vector<boost::shared_ptr<Region> >::iterator ri;
4397
4398         create_region_from_selection (new_regions);
4399
4400         if (new_regions.empty()) {
4401                 return;
4402         }
4403
4404         begin_reversible_command (_("duplicate selection"));
4405
4406         ri = new_regions.begin();
4407
4408         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4409                 if ((playlist = (*i)->playlist()) == 0) {
4410                         continue;
4411                 }
4412                 XMLNode &before = playlist->get_state();
4413                 playlist->duplicate (*ri, selection->time[clicked_selection].end, times);
4414                 XMLNode &after = playlist->get_state();
4415                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &after));
4416
4417                 ++ri;
4418                 if (ri == new_regions.end()) {
4419                         --ri;
4420                 }
4421         }
4422
4423         commit_reversible_command ();
4424 }
4425
4426 void
4427 Editor::reset_point_selection ()
4428 {
4429         /* reset all selected points to the relevant default value */
4430
4431         for (PointSelection::iterator i = selection->points.begin(); i != selection->points.end(); ++i) {
4432
4433                 AutomationTimeAxisView* atv = dynamic_cast<AutomationTimeAxisView*>(&(*i).track);
4434
4435                 if (atv) {
4436                         atv->reset_objects (selection->points);
4437                 }
4438         }
4439 }
4440
4441 void
4442 Editor::center_playhead ()
4443 {
4444         float page = _canvas_width * frames_per_unit;
4445         center_screen_internal (playhead_cursor->current_frame, page);
4446 }
4447
4448 void
4449 Editor::center_edit_point ()
4450 {
4451         float page = _canvas_width * frames_per_unit;
4452         center_screen_internal (get_preferred_edit_position(), page);
4453 }
4454
4455 void
4456 Editor::clear_playlist (boost::shared_ptr<Playlist> playlist)
4457 {
4458         begin_reversible_command (_("clear playlist"));
4459         XMLNode &before = playlist->get_state();
4460         playlist->clear ();
4461         XMLNode &after = playlist->get_state();
4462         session->add_command (new MementoCommand<Playlist>(*playlist.get(), &before, &after));
4463         commit_reversible_command ();
4464 }
4465
4466 void
4467 Editor::nudge_track (bool use_edit, bool forwards)
4468 {
4469         boost::shared_ptr<Playlist> playlist;
4470         nframes64_t distance;
4471         nframes64_t next_distance;
4472         nframes64_t start;
4473
4474         if (use_edit) {
4475                 start = get_preferred_edit_position();
4476         } else {
4477                 start = 0;
4478         }
4479
4480         if ((distance = get_nudge_distance (start, next_distance)) == 0) {
4481                 return;
4482         }
4483
4484         if (selection->tracks.empty()) {
4485                 return;
4486         }
4487
4488         begin_reversible_command (_("nudge track"));
4489
4490         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4491
4492                 if ((playlist = (*i)->playlist()) == 0) {
4493                         continue;
4494                 }
4495
4496                 XMLNode &before = playlist->get_state();
4497                 playlist->nudge_after (start, distance, forwards);
4498                 XMLNode &after = playlist->get_state();
4499                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &after));
4500         }
4501
4502         commit_reversible_command ();
4503 }
4504
4505 void
4506 Editor::remove_last_capture ()
4507 {
4508         vector<string> choices;
4509         string prompt;
4510
4511         if (!session) {
4512                 return;
4513         }
4514
4515         if (Config->get_verify_remove_last_capture()) {
4516                 prompt  = _("Do you really want to destroy the last capture?"
4517                             "\n(This is destructive and cannot be undone)");
4518
4519                 choices.push_back (_("No, do nothing."));
4520                 choices.push_back (_("Yes, destroy it."));
4521
4522                 Gtkmm2ext::Choice prompter (prompt, choices);
4523
4524                 if (prompter.run () == 1) {
4525                         session->remove_last_capture ();
4526                 }
4527
4528         } else {
4529                 session->remove_last_capture();
4530         }
4531 }
4532
4533 void
4534 Editor::normalize_region ()
4535 {
4536         if (!session) {
4537                 return;
4538         }
4539
4540         RegionSelection rs;
4541         get_regions_for_action (rs);
4542
4543         if (rs.empty()) {
4544                 return;
4545         }
4546
4547         Dialog dialog (rs.size() > 1 ? _("Normalize regions") : _("Normalize region"));
4548         HBox hbox;
4549         hbox.pack_start (*manage (new Label (_("Normalize to:"))));
4550         SpinButton spin (0.2, 2);
4551         spin.set_range (-112, 0);
4552         spin.set_increments (0.1, 1);
4553         spin.set_value (0);
4554         hbox.pack_start (spin);
4555         spin.set_value (_last_normalization_value);
4556         hbox.pack_start (*manage (new Label (_("dbFS"))));
4557         hbox.show_all ();
4558         dialog.get_vbox()->pack_start (hbox);
4559         dialog.add_button (Stock::CANCEL, RESPONSE_CANCEL);
4560         dialog.add_button (_("Normalize"), RESPONSE_ACCEPT);
4561
4562         if (dialog.run () == RESPONSE_CANCEL) {
4563                 return;
4564         }
4565
4566         begin_reversible_command (_("normalize"));
4567
4568         track_canvas->get_window()->set_cursor (*wait_cursor);
4569         gdk_flush ();
4570
4571         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
4572                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4573                 if (!arv)
4574                         continue;
4575                 XMLNode &before = arv->region()->get_state();
4576                 arv->audio_region()->normalize_to (spin.get_value());
4577                 session->add_command (new MementoCommand<Region>(*(arv->region().get()), &before, &arv->region()->get_state()));
4578         }
4579
4580         commit_reversible_command ();
4581         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
4582
4583         _last_normalization_value = spin.get_value ();
4584 }
4585
4586
4587 void
4588 Editor::reset_region_scale_amplitude ()
4589 {
4590         if (!session) {
4591                 return;
4592         }
4593
4594         RegionSelection rs;
4595
4596         get_regions_for_action (rs);
4597
4598         if (rs.empty()) {
4599                 return;
4600         }
4601
4602         begin_reversible_command ("reset gain");
4603
4604         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
4605                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4606                 if (!arv)
4607                         continue;
4608                 XMLNode &before = arv->region()->get_state();
4609                 arv->audio_region()->set_scale_amplitude (1.0f);
4610                 session->add_command (new MementoCommand<Region>(*(arv->region().get()), &before, &arv->region()->get_state()));
4611         }
4612
4613         commit_reversible_command ();
4614 }
4615
4616 void
4617 Editor::adjust_region_scale_amplitude (bool up)
4618 {
4619         if (!session) {
4620                 return;
4621         }
4622
4623         RegionSelection rs;
4624
4625         get_regions_for_action (rs);
4626
4627         if (rs.empty()) {
4628                 return;
4629         }
4630
4631         begin_reversible_command ("denormalize");
4632
4633         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
4634                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4635                 if (!arv)
4636                         continue;
4637                 XMLNode &before = arv->region()->get_state();
4638
4639                 double fraction = gain_to_slider_position (arv->audio_region()->scale_amplitude ());
4640
4641                 if (up) {
4642                         fraction += 0.05;
4643                         fraction = min (fraction, 1.0);
4644                 } else {
4645                         fraction -= 0.05;
4646                         fraction = max (fraction, 0.0);
4647                 }
4648
4649                 if (!up && fraction <= 0) {
4650                         continue;
4651                 }
4652
4653                 fraction = slider_position_to_gain (fraction);
4654
4655                 if (up && fraction >= 2.0) {
4656                         continue;
4657                 }
4658
4659                 arv->audio_region()->set_scale_amplitude (fraction);
4660                 session->add_command (new MementoCommand<Region>(*(arv->region().get()), &before, &arv->region()->get_state()));
4661         }
4662
4663         commit_reversible_command ();
4664 }
4665
4666
4667 void
4668 Editor::reverse_region ()
4669 {
4670         if (!session) {
4671                 return;
4672         }
4673
4674         Reverse rev (*session);
4675         apply_filter (rev, _("reverse regions"));
4676 }
4677
4678 void
4679 Editor::strip_region_silence ()
4680 {
4681         if (!session) {
4682                 return;
4683         }
4684
4685         RegionSelection rs;
4686         get_regions_for_action (rs);
4687
4688         if (rs.empty()) {
4689                 return;
4690         }
4691
4692         std::list<boost::shared_ptr<AudioRegion> > ar;
4693
4694         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4695                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*> (*i);
4696                 if (arv) {
4697                         ar.push_back (arv->audio_region ());
4698                 }
4699         }
4700
4701         StripSilenceDialog d (ar);
4702         int const r = d.run ();
4703
4704         if (r == Gtk::RESPONSE_OK) {
4705                 StripSilence s (*session, d.threshold (), d.minimum_length (), d.fade_length ());
4706                 apply_filter (s, _("strip silence"));
4707         }
4708 }
4709
4710 Command*
4711 Editor::apply_midi_note_edit_op_to_region (MidiOperator& op, MidiRegionView& mrv)
4712 {
4713         Evoral::Sequence<Evoral::MusicalTime>::Notes selected;
4714         mrv.selection_as_notelist (selected);
4715
4716         vector<Evoral::Sequence<Evoral::MusicalTime>::Notes> v;
4717         v.push_back (selected);
4718
4719         return op (mrv.midi_region()->model(), v);
4720 }
4721
4722 void
4723 Editor::apply_midi_note_edit_op (MidiOperator& op)
4724 {
4725         RegionSelection rs;
4726         Command* cmd;
4727
4728         get_regions_for_action (rs);
4729
4730         if (rs.empty()) {
4731                 return;
4732         }
4733
4734         begin_reversible_command (op.name ());
4735
4736         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ) {
4737                 RegionSelection::iterator tmp = r;
4738                 ++tmp;
4739
4740                 MidiRegionView* const mrv = dynamic_cast<MidiRegionView*> (*r);
4741
4742                 if (mrv) {
4743                         cmd = apply_midi_note_edit_op_to_region (op, *mrv);
4744                         if (cmd) {
4745                                 (*cmd)();
4746                                 session->add_command (cmd);
4747                         }
4748                 }
4749
4750                 r = tmp;
4751         }
4752
4753         commit_reversible_command ();
4754         rs.clear ();
4755 }
4756
4757 void
4758 Editor::quantize_region ()
4759 {
4760         if (!session) {
4761                 return;
4762         }
4763
4764         QuantizeDialog* qd = new QuantizeDialog (*this);
4765
4766         qd->present ();
4767         const int r = qd->run ();
4768         qd->hide ();
4769
4770         if (r == Gtk::RESPONSE_OK) {
4771                 Quantize quant (*session, Plain,
4772                                 qd->snap_start(), qd->snap_end(),
4773                                 qd->start_grid_size(), qd->end_grid_size(),
4774                                 qd->strength(), qd->swing(), qd->threshold());
4775
4776                 apply_midi_note_edit_op (quant);
4777         }
4778 }
4779
4780 void
4781 Editor::apply_filter (Filter& filter, string command)
4782 {
4783         RegionSelection rs;
4784
4785         get_regions_for_action (rs);
4786
4787         if (rs.empty()) {
4788                 return;
4789         }
4790
4791         begin_reversible_command (command);
4792
4793         track_canvas->get_window()->set_cursor (*wait_cursor);
4794         gdk_flush ();
4795
4796         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ) {
4797                 RegionSelection::iterator tmp = r;
4798                 ++tmp;
4799
4800                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4801                 if (arv) {
4802                         boost::shared_ptr<Playlist> playlist = arv->region()->playlist();
4803
4804                         if (arv->audio_region()->apply (filter) == 0) {
4805
4806                                 XMLNode &before = playlist->get_state();
4807
4808                                 if (filter.results.empty ()) {
4809
4810                                         /* no regions returned; remove the old one */
4811                                         playlist->remove_region (arv->region ());
4812
4813                                 } else {
4814
4815                                         std::vector<boost::shared_ptr<Region> >::iterator res = filter.results.begin ();
4816
4817                                         /* first region replaces the old one */
4818                                         playlist->replace_region (arv->region(), *res, (*res)->position());
4819                                         ++res;
4820
4821                                         /* add the rest */
4822                                         while (res != filter.results.end()) {
4823                                                 playlist->add_region (*res, (*res)->position());
4824                                                 ++res;
4825                                         }
4826
4827                                 }
4828
4829                                 XMLNode &after = playlist->get_state();
4830                                 session->add_command(new MementoCommand<Playlist>(*playlist, &before, &after));
4831                         } else {
4832                                 goto out;
4833                         }
4834                 }
4835
4836                 r = tmp;
4837         }
4838
4839         commit_reversible_command ();
4840         rs.clear ();
4841
4842   out:
4843         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
4844 }
4845
4846 void
4847 Editor::region_selection_op (void (Region::*pmf)(void))
4848 {
4849         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4850                 Region* region = (*i)->region().get();
4851                 (region->*pmf)();
4852         }
4853 }
4854
4855
4856 void
4857 Editor::region_selection_op (void (Region::*pmf)(void*), void *arg)
4858 {
4859         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4860                 Region* region = (*i)->region().get();
4861                 (region->*pmf)(arg);
4862         }
4863 }
4864
4865 void
4866 Editor::region_selection_op (void (Region::*pmf)(bool), bool yn)
4867 {
4868         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4869                 Region* region = (*i)->region().get();
4870                 (region->*pmf)(yn);
4871         }
4872 }
4873
4874 void
4875 Editor::external_edit_region ()
4876 {
4877         /* more to come */
4878 }
4879
4880 void
4881 Editor::brush (nframes64_t pos)
4882 {
4883         RegionSelection sel;
4884         RegionSelection rs;
4885
4886         get_regions_for_action (rs);
4887
4888         snap_to (pos);
4889
4890         if (rs.empty()) {
4891                 return;
4892         }
4893
4894         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4895                 mouse_brush_insert_region ((*i), pos);
4896         }
4897 }
4898
4899 void
4900 Editor::reset_region_gain_envelopes ()
4901 {
4902         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
4903
4904         if (!session || rs.empty()) {
4905                 return;
4906         }
4907
4908         session->begin_reversible_command (_("reset region gain"));
4909
4910         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4911                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4912                 if (arv) {
4913                         boost::shared_ptr<AutomationList> alist (arv->audio_region()->envelope());
4914                         XMLNode& before (alist->get_state());
4915
4916                         arv->audio_region()->set_default_envelope ();
4917                         session->add_command (new MementoCommand<AutomationList>(*arv->audio_region()->envelope().get(), &before, &alist->get_state()));
4918                 }
4919         }
4920
4921         session->commit_reversible_command ();
4922 }
4923
4924 void
4925 Editor::toggle_gain_envelope_visibility ()
4926 {
4927         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
4928
4929         if (!session || rs.empty()) {
4930                 return;
4931         }
4932
4933         session->begin_reversible_command (_("region gain envelope visible"));
4934
4935         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4936                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4937                 if (arv) {
4938                         XMLNode &before = arv->region()->get_state ();
4939                         arv->set_envelope_visible (!arv->envelope_visible());
4940                         XMLNode &after = arv->region()->get_state ();
4941                         session->add_command (new MementoCommand<Region> (*(arv->region().get()), &before, &after));
4942                 }
4943         }
4944
4945         session->commit_reversible_command ();
4946 }
4947
4948 void
4949 Editor::toggle_gain_envelope_active ()
4950 {
4951         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
4952
4953         if (!session || rs.empty()) {
4954                 return;
4955         }
4956
4957         session->begin_reversible_command (_("region gain envelope active"));
4958
4959         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4960                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4961                 if (arv) {
4962                         XMLNode &before = arv->region()->get_state ();
4963                         arv->audio_region()->set_envelope_active (!arv->audio_region()->envelope_active());
4964                         XMLNode &after = arv->region()->get_state ();
4965                         session->add_command (new MementoCommand<Region> (*(arv->region().get()), &before, &after));
4966                 }
4967         }
4968
4969         session->commit_reversible_command ();
4970 }
4971
4972 void
4973 Editor::toggle_region_lock ()
4974 {
4975         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
4976
4977         if (!session || rs.empty()) {
4978                 return;
4979         }
4980
4981         session->begin_reversible_command (_("region lock"));
4982
4983         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4984                 XMLNode &before = (*i)->region()->get_state ();
4985                 (*i)->region()->set_locked (!(*i)->region()->locked());
4986                 XMLNode &after = (*i)->region()->get_state ();
4987                 session->add_command (new MementoCommand<Region> (*((*i)->region().get()), &before, &after));
4988         }
4989
4990         session->commit_reversible_command ();
4991 }
4992
4993 void
4994 Editor::set_region_lock_style (Region::PositionLockStyle ps)
4995 {
4996         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
4997
4998         if (!session || rs.empty()) {
4999                 return;
5000         }
5001
5002         session->begin_reversible_command (_("region lock style"));
5003
5004         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5005                 XMLNode &before = (*i)->region()->get_state ();
5006                 (*i)->region()->set_position_lock_style (ps);
5007                 XMLNode &after = (*i)->region()->get_state ();
5008                 session->add_command (new MementoCommand<Region> (*((*i)->region().get()), &before, &after));
5009         }
5010
5011         session->commit_reversible_command ();
5012 }
5013
5014
5015 void
5016 Editor::toggle_region_mute ()
5017 {
5018         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
5019
5020         if (!session || rs.empty()) {
5021                 return;
5022         }
5023
5024         session->begin_reversible_command (_("region mute"));
5025
5026         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5027                 XMLNode &before = (*i)->region()->get_state ();
5028                 (*i)->region()->set_muted (!(*i)->region()->muted());
5029                 XMLNode &after = (*i)->region()->get_state ();
5030                 session->add_command (new MementoCommand<Region> (*((*i)->region().get()), &before, &after));
5031         }
5032
5033         session->commit_reversible_command ();
5034 }
5035
5036 void
5037 Editor::toggle_region_opaque ()
5038 {
5039         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
5040
5041         if (!session || rs.empty()) {
5042                 return;
5043         }
5044
5045         session->begin_reversible_command (_("region opacity"));
5046
5047         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5048                 XMLNode &before = (*i)->region()->get_state ();
5049                 (*i)->region()->set_opaque (!(*i)->region()->opaque());
5050                 XMLNode &after = (*i)->region()->get_state ();
5051                 session->add_command (new MementoCommand<Region> (*((*i)->region().get()), &before, &after));
5052         }
5053
5054         session->commit_reversible_command ();
5055 }
5056
5057 void
5058 Editor::toggle_record_enable ()
5059 {
5060         bool new_state = false;
5061         bool first = true;
5062         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
5063                 RouteTimeAxisView *rtav = dynamic_cast<RouteTimeAxisView *>(*i);
5064                 if (!rtav)
5065                         continue;
5066                 if (!rtav->is_track())
5067                         continue;
5068
5069                 if (first) {
5070                         new_state = !rtav->track()->record_enabled();
5071                         first = false;
5072                 }
5073
5074                 rtav->track()->set_record_enable(new_state, this);
5075         }
5076 }
5077
5078
5079 void
5080 Editor::set_fade_length (bool in)
5081 {
5082         RegionSelection rs;
5083
5084         get_regions_for_action (rs, true);
5085
5086         if (rs.empty()) {
5087                 return;
5088         }
5089
5090         /* we need a region to measure the offset from the start */
5091
5092         RegionView* rv = rs.front ();
5093
5094         nframes64_t pos = get_preferred_edit_position();
5095         nframes64_t len;
5096         char* cmd;
5097
5098         if (pos > rv->region()->last_frame() || pos < rv->region()->first_frame()) {
5099                 /* edit point is outside the relevant region */
5100                 return;
5101         }
5102
5103         if (in) {
5104                 if (pos <= rv->region()->position()) {
5105                         /* can't do it */
5106                         return;
5107                 }
5108                 len = pos - rv->region()->position();
5109                 cmd = _("set fade in length");
5110         } else {
5111                 if (pos >= rv->region()->last_frame()) {
5112                         /* can't do it */
5113                         return;
5114                 }
5115                 len = rv->region()->last_frame() - pos;
5116                 cmd = _("set fade out length");
5117         }
5118
5119         begin_reversible_command (cmd);
5120
5121         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5122                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5123
5124                 if (!tmp) {
5125                         return;
5126                 }
5127
5128                 boost::shared_ptr<AutomationList> alist;
5129                 if (in) {
5130                         alist = tmp->audio_region()->fade_in();
5131                 } else {
5132                         alist = tmp->audio_region()->fade_out();
5133                 }
5134
5135                 XMLNode &before = alist->get_state();
5136
5137                 if (in) {
5138                         tmp->audio_region()->set_fade_in_length (len);
5139                         tmp->audio_region()->set_fade_in_active (true);
5140                 } else {
5141                         tmp->audio_region()->set_fade_out_length (len);
5142                         tmp->audio_region()->set_fade_out_active (true);
5143                 }
5144
5145                 XMLNode &after = alist->get_state();
5146                 session->add_command(new MementoCommand<AutomationList>(*alist, &before, &after));
5147         }
5148
5149         commit_reversible_command ();
5150 }
5151
5152 void
5153 Editor::toggle_fade_active (bool in)
5154 {
5155         RegionSelection rs;
5156
5157         get_regions_for_action (rs);
5158
5159         if (rs.empty()) {
5160                 return;
5161         }
5162
5163         const char* cmd = (in ? _("toggle fade in active") : _("toggle fade out active"));
5164         bool have_switch = false;
5165         bool yn = false;
5166
5167         begin_reversible_command (cmd);
5168
5169         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5170                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5171
5172                 if (!tmp) {
5173                         return;
5174                 }
5175
5176                 boost::shared_ptr<AudioRegion> region (tmp->audio_region());
5177
5178                 /* make the behaviour consistent across all regions */
5179
5180                 if (!have_switch) {
5181                         if (in) {
5182                                 yn = region->fade_in_active();
5183                         } else {
5184                                 yn = region->fade_out_active();
5185                         }
5186                         have_switch = true;
5187                 }
5188
5189                 XMLNode &before = region->get_state();
5190                 if (in) {
5191                         region->set_fade_in_active (!yn);
5192                 } else {
5193                         region->set_fade_out_active (!yn);
5194                 }
5195                 XMLNode &after = region->get_state();
5196                 session->add_command(new MementoCommand<AudioRegion>(*region.get(), &before, &after));
5197         }
5198
5199         commit_reversible_command ();
5200 }
5201
5202 void
5203 Editor::set_fade_in_shape (AudioRegion::FadeShape shape)
5204 {
5205         RegionSelection rs;
5206
5207         get_regions_for_action (rs);
5208
5209         if (rs.empty()) {
5210                 return;
5211         }
5212
5213         begin_reversible_command (_("set fade in shape"));
5214
5215         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5216                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5217
5218                 if (!tmp) {
5219                         return;
5220                 }
5221
5222                 boost::shared_ptr<AutomationList> alist = tmp->audio_region()->fade_in();
5223                 XMLNode &before = alist->get_state();
5224
5225                 tmp->audio_region()->set_fade_in_shape (shape);
5226
5227                 XMLNode &after = alist->get_state();
5228                 session->add_command(new MementoCommand<AutomationList>(*alist.get(), &before, &after));
5229         }
5230
5231         commit_reversible_command ();
5232
5233 }
5234
5235 void
5236 Editor::set_fade_out_shape (AudioRegion::FadeShape shape)
5237 {
5238         RegionSelection rs;
5239
5240         get_regions_for_action (rs);
5241
5242         if (rs.empty()) {
5243                 return;
5244         }
5245
5246         begin_reversible_command (_("set fade out shape"));
5247
5248         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5249                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5250
5251                 if (!tmp) {
5252                         return;
5253                 }
5254
5255                 boost::shared_ptr<AutomationList> alist = tmp->audio_region()->fade_out();
5256                 XMLNode &before = alist->get_state();
5257
5258                 tmp->audio_region()->set_fade_out_shape (shape);
5259
5260                 XMLNode &after = alist->get_state();
5261                 session->add_command(new MementoCommand<AutomationList>(*alist.get(), &before, &after));
5262         }
5263
5264         commit_reversible_command ();
5265 }
5266
5267 void
5268 Editor::set_fade_in_active (bool yn)
5269 {
5270         RegionSelection rs;
5271
5272         get_regions_for_action (rs);
5273
5274         if (rs.empty()) {
5275                 return;
5276         }
5277
5278         begin_reversible_command (_("set fade in active"));
5279
5280         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5281                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5282
5283                 if (!tmp) {
5284                         return;
5285                 }
5286
5287
5288                 boost::shared_ptr<AudioRegion> ar (tmp->audio_region());
5289
5290                 XMLNode &before = ar->get_state();
5291
5292                 ar->set_fade_in_active (yn);
5293
5294                 XMLNode &after = ar->get_state();
5295                 session->add_command(new MementoCommand<AudioRegion>(*ar, &before, &after));
5296         }
5297
5298         commit_reversible_command ();
5299 }
5300
5301 void
5302 Editor::set_fade_out_active (bool yn)
5303 {
5304         RegionSelection rs;
5305
5306         get_regions_for_action (rs);
5307
5308         if (rs.empty()) {
5309                 return;
5310         }
5311
5312         begin_reversible_command (_("set fade out active"));
5313
5314         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5315                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5316
5317                 if (!tmp) {
5318                         return;
5319                 }
5320
5321                 boost::shared_ptr<AudioRegion> ar (tmp->audio_region());
5322
5323                 XMLNode &before = ar->get_state();
5324
5325                 ar->set_fade_out_active (yn);
5326
5327                 XMLNode &after = ar->get_state();
5328                 session->add_command(new MementoCommand<AudioRegion>(*ar, &before, &after));
5329         }
5330
5331         commit_reversible_command ();
5332 }
5333
5334 void
5335 Editor::toggle_selected_region_fades (int dir)
5336 {
5337         RegionSelection rs;
5338         RegionSelection::iterator i;
5339         boost::shared_ptr<AudioRegion> ar;
5340         bool yn;
5341
5342         get_regions_for_action (rs);
5343
5344         if (rs.empty()) {
5345                 return;
5346         }
5347
5348         for (i = rs.begin(); i != rs.end(); ++i) {
5349                 if ((ar = boost::dynamic_pointer_cast<AudioRegion>((*i)->region())) != 0) {
5350                         if (dir == -1) {
5351                                 yn = ar->fade_out_active ();
5352                         } else {
5353                                 yn = ar->fade_in_active ();
5354                         }
5355                         break;
5356                 }
5357         }
5358
5359         if (i == rs.end()) {
5360                 return;
5361         }
5362
5363         /* XXX should this undo-able? */
5364
5365         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5366                 if ((ar = boost::dynamic_pointer_cast<AudioRegion>((*i)->region())) == 0) {
5367                         continue;
5368                 }
5369                 if (dir == 1 || dir == 0) {
5370                         ar->set_fade_in_active (!yn);
5371                 }
5372
5373                 if (dir == -1 || dir == 0) {
5374                         ar->set_fade_out_active (!yn);
5375                 }
5376         }
5377 }
5378
5379
5380 /** Update region fade visibility after its configuration has been changed */
5381 void
5382 Editor::update_region_fade_visibility ()
5383 {
5384         bool _fade_visibility = session->config.get_show_region_fades ();
5385
5386         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5387                 AudioTimeAxisView* v = dynamic_cast<AudioTimeAxisView*>(*i);
5388                 if (v) {
5389                         if (_fade_visibility) {
5390                                 v->audio_view()->show_all_fades ();
5391                         } else {
5392                                 v->audio_view()->hide_all_fades ();
5393                         }
5394                 }
5395         }
5396 }
5397
5398 /** Update crossfade visibility after its configuration has been changed */
5399 void
5400 Editor::update_xfade_visibility ()
5401 {
5402         _xfade_visibility = session->config.get_xfades_visible ();
5403
5404         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5405                 AudioTimeAxisView* v = dynamic_cast<AudioTimeAxisView*>(*i);
5406                 if (v) {
5407                         if (_xfade_visibility) {
5408                                 v->show_all_xfades ();
5409                         } else {
5410                                 v->hide_all_xfades ();
5411                         }
5412                 }
5413         }
5414 }
5415
5416 void
5417 Editor::set_edit_point ()
5418 {
5419         nframes64_t where;
5420         bool ignored;
5421
5422         if (!mouse_frame (where, ignored)) {
5423                 return;
5424         }
5425
5426         snap_to (where);
5427
5428         if (selection->markers.empty()) {
5429
5430                 mouse_add_new_marker (where);
5431
5432         } else {
5433                 bool ignored;
5434
5435                 Location* loc = find_location_from_marker (selection->markers.front(), ignored);
5436
5437                 if (loc) {
5438                         loc->move_to (where);
5439                 }
5440         }
5441 }
5442
5443 void
5444 Editor::set_playhead_cursor ()
5445 {
5446         if (entered_marker) {
5447                 session->request_locate (entered_marker->position(), session->transport_rolling());
5448         } else {
5449                 nframes64_t where;
5450                 bool ignored;
5451
5452                 if (!mouse_frame (where, ignored)) {
5453                         return;
5454                 }
5455
5456                 snap_to (where);
5457
5458                 if (session) {
5459                         session->request_locate (where, session->transport_rolling());
5460                 }
5461         }
5462 }
5463
5464 void
5465 Editor::split ()
5466 {
5467         RegionSelection rs;
5468
5469         get_regions_for_action (rs, true);
5470
5471         nframes64_t where = get_preferred_edit_position();
5472
5473         if (rs.empty()) {
5474                 return;
5475         }
5476
5477         split_regions_at (where, rs);
5478 }
5479
5480 void
5481 Editor::ensure_entered_track_selected (bool op_really_wants_one_track_if_none_are_selected)
5482 {
5483         if (entered_track && mouse_mode == MouseObject) {
5484                 if (!selection->tracks.empty()) {
5485                         if (!selection->selected (entered_track)) {
5486                                 selection->add (entered_track);
5487                         }
5488                 } else {
5489                         /* there is no selection, but this operation requires/prefers selected objects */
5490
5491                         if (op_really_wants_one_track_if_none_are_selected) {
5492                                 selection->set (entered_track);
5493                         }
5494                 }
5495         }
5496 }
5497
5498 struct EditorOrderRouteSorter {
5499     bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
5500             /* use of ">" forces the correct sort order */
5501             return a->order_key ("editor") < b->order_key ("editor");
5502     }
5503 };
5504
5505 void
5506 Editor::select_next_route()
5507 {
5508         if (selection->tracks.empty()) {
5509                 selection->set (track_views.front());
5510                 return;
5511         }
5512
5513         TimeAxisView* current = selection->tracks.front();
5514
5515         RouteUI *rui;
5516         do {
5517                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5518                         if (*i == current) {
5519                                 ++i;
5520                                 if (i != track_views.end()) {
5521                                         current = (*i);
5522                                 } else {
5523                                         current = (*(track_views.begin()));
5524                                         //selection->set (*(track_views.begin()));
5525                                 }
5526                                 break;
5527                         }
5528                 }
5529                 rui = dynamic_cast<RouteUI *>(current);
5530         } while ( current->hidden() || (rui != NULL && !rui->route()->active()));
5531
5532         selection->set(current);
5533
5534         ensure_track_visible(current);
5535 }
5536
5537 void
5538 Editor::select_prev_route()
5539 {
5540         if (selection->tracks.empty()) {
5541                 selection->set (track_views.front());
5542                 return;
5543         }
5544
5545         TimeAxisView* current = selection->tracks.front();
5546
5547         RouteUI *rui;
5548         do {
5549                 for (TrackViewList::reverse_iterator i = track_views.rbegin(); i != track_views.rend(); ++i) {
5550                         if (*i == current) {
5551                                 ++i;
5552                                 if (i != track_views.rend()) {
5553                                         current = (*i);
5554                                 } else {
5555                                         current = *(track_views.rbegin());
5556                                 }
5557                                 break;
5558                         }
5559                 }
5560                 rui = dynamic_cast<RouteUI *>(current);
5561         } while ( current->hidden() || (rui != NULL && !rui->route()->active()));
5562
5563         selection->set (current);
5564
5565         ensure_track_visible(current);
5566 }
5567
5568 void
5569 Editor::ensure_track_visible(TimeAxisView *track)
5570 {
5571         if (track->hidden())
5572                 return;
5573
5574         double const current_view_min_y = vertical_adjustment.get_value();
5575         double const current_view_max_y = vertical_adjustment.get_value() + vertical_adjustment.get_page_size() - canvas_timebars_vsize;
5576
5577         double const track_min_y = track->y_position ();
5578         double const track_max_y = track->y_position () + track->effective_height ();
5579
5580         if (track_min_y >= current_view_min_y &&
5581             track_max_y <= current_view_max_y) {
5582                 return;
5583         }
5584
5585         double new_value;
5586
5587         if (track_min_y < current_view_min_y) {
5588                 // Track is above the current view
5589                 new_value = track_min_y;
5590         } else {
5591                 // Track is below the current view
5592                 new_value = track->y_position () + track->effective_height() + canvas_timebars_vsize - vertical_adjustment.get_page_size();
5593         }
5594
5595         vertical_adjustment.set_value(new_value);
5596 }
5597
5598 void
5599 Editor::set_loop_from_selection (bool play)
5600 {
5601         if (session == 0 || selection->time.empty()) {
5602                 return;
5603         }
5604
5605         nframes64_t start = selection->time[clicked_selection].start;
5606         nframes64_t end = selection->time[clicked_selection].end;
5607
5608         set_loop_range (start, end,  _("set loop range from selection"));
5609
5610         if (play) {
5611                 session->request_play_loop (true);
5612                 session->request_locate (start, true);
5613         }
5614 }
5615
5616 void
5617 Editor::set_loop_from_edit_range (bool play)
5618 {
5619         if (session == 0) {
5620                 return;
5621         }
5622
5623         nframes64_t start;
5624         nframes64_t end;
5625
5626         if (!get_edit_op_range (start, end)) {
5627                 return;
5628         }
5629
5630         set_loop_range (start, end,  _("set loop range from edit range"));
5631
5632         if (play) {
5633                 session->request_play_loop (true);
5634                 session->request_locate (start, true);
5635         }
5636 }
5637
5638 void
5639 Editor::set_loop_from_region (bool play)
5640 {
5641         nframes64_t start = max_frames;
5642         nframes64_t end = 0;
5643
5644         RegionSelection rs;
5645
5646         get_regions_for_action (rs);
5647
5648         if (rs.empty()) {
5649                 return;
5650         }
5651
5652         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5653                 if ((*i)->region()->position() < start) {
5654                         start = (*i)->region()->position();
5655                 }
5656                 if ((*i)->region()->last_frame() + 1 > end) {
5657                         end = (*i)->region()->last_frame() + 1;
5658                 }
5659         }
5660
5661         set_loop_range (start, end, _("set loop range from region"));
5662
5663         if (play) {
5664                 session->request_play_loop (true);
5665                 session->request_locate (start, true);
5666         }
5667 }
5668
5669 void
5670 Editor::set_punch_from_selection ()
5671 {
5672         if (session == 0 || selection->time.empty()) {
5673                 return;
5674         }
5675
5676         nframes64_t start = selection->time[clicked_selection].start;
5677         nframes64_t end = selection->time[clicked_selection].end;
5678
5679         set_punch_range (start, end,  _("set punch range from selection"));
5680 }
5681
5682 void
5683 Editor::set_punch_from_edit_range ()
5684 {
5685         if (session == 0) {
5686                 return;
5687         }
5688
5689         nframes64_t start;
5690         nframes64_t end;
5691
5692         if (!get_edit_op_range (start, end)) {
5693                 return;
5694         }
5695
5696         set_punch_range (start, end,  _("set punch range from edit range"));
5697 }
5698
5699 void
5700 Editor::set_punch_from_region ()
5701 {
5702         nframes64_t start = max_frames;
5703         nframes64_t end = 0;
5704
5705         RegionSelection rs;
5706
5707         get_regions_for_action (rs);
5708
5709         if (rs.empty()) {
5710                 return;
5711         }
5712
5713         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5714                 if ((*i)->region()->position() < start) {
5715                         start = (*i)->region()->position();
5716                 }
5717                 if ((*i)->region()->last_frame() + 1 > end) {
5718                         end = (*i)->region()->last_frame() + 1;
5719                 }
5720         }
5721
5722         set_punch_range (start, end, _("set punch range from region"));
5723 }
5724
5725 void
5726 Editor::pitch_shift_regions ()
5727 {
5728         RegionSelection rs;
5729
5730         get_regions_for_action (rs);
5731
5732         if (rs.empty()) {
5733                 return;
5734         }
5735
5736         pitch_shift (rs, 1.2);
5737 }
5738
5739 void
5740 Editor::use_region_as_bar ()
5741 {
5742         if (!session) {
5743                 return;
5744         }
5745
5746         RegionSelection rs;
5747
5748         get_regions_for_action (rs);
5749
5750         if (rs.empty()) {
5751                 return;
5752         }
5753
5754         RegionView* rv = rs.front();
5755
5756         define_one_bar (rv->region()->position(), rv->region()->last_frame() + 1);
5757 }
5758
5759 void
5760 Editor::use_range_as_bar ()
5761 {
5762         nframes64_t start, end;
5763         if (get_edit_op_range (start, end)) {
5764                 define_one_bar (start, end);
5765         }
5766 }
5767
5768 void
5769 Editor::define_one_bar (nframes64_t start, nframes64_t end)
5770 {
5771         nframes64_t length = end - start;
5772
5773         const Meter& m (session->tempo_map().meter_at (start));
5774
5775         /* length = 1 bar */
5776
5777         /* now we want frames per beat.
5778            we have frames per bar, and beats per bar, so ...
5779         */
5780
5781         double frames_per_beat = length / m.beats_per_bar();
5782
5783         /* beats per minute = */
5784
5785         double beats_per_minute = (session->frame_rate() * 60.0) / frames_per_beat;
5786
5787         /* now decide whether to:
5788
5789             (a) set global tempo
5790             (b) add a new tempo marker
5791
5792         */
5793
5794         const TempoSection& t (session->tempo_map().tempo_section_at (start));
5795
5796         bool do_global = false;
5797
5798         if ((session->tempo_map().n_tempos() == 1) && (session->tempo_map().n_meters() == 1)) {
5799
5800                 /* only 1 tempo & 1 meter: ask if the user wants to set the tempo
5801                    at the start, or create a new marker
5802                 */
5803
5804                 vector<string> options;
5805                 options.push_back (_("Cancel"));
5806                 options.push_back (_("Add new marker"));
5807                 options.push_back (_("Set global tempo"));
5808                 Choice c (_("Do you want to set the global tempo or add new tempo marker?"),
5809                           options);
5810                 c.set_default_response (2);
5811
5812                 switch (c.run()) {
5813                 case 0:
5814                         return;
5815
5816                 case 2:
5817                         do_global = true;
5818                         break;
5819
5820                 default:
5821                         do_global = false;
5822                 }
5823
5824         } else {
5825
5826                 /* more than 1 tempo and/or meter section already, go ahead do the "usual":
5827                    if the marker is at the region starter, change it, otherwise add
5828                    a new tempo marker
5829                 */
5830         }
5831
5832         begin_reversible_command (_("set tempo from region"));
5833         XMLNode& before (session->tempo_map().get_state());
5834
5835         if (do_global) {
5836                 session->tempo_map().change_initial_tempo (beats_per_minute, t.note_type());
5837         } else if (t.frame() == start) {
5838                 session->tempo_map().change_existing_tempo_at (start, beats_per_minute, t.note_type());
5839         } else {
5840                 session->tempo_map().add_tempo (Tempo (beats_per_minute, t.note_type()), start);
5841         }
5842
5843         XMLNode& after (session->tempo_map().get_state());
5844
5845         session->add_command (new MementoCommand<TempoMap>(session->tempo_map(), &before, &after));
5846         commit_reversible_command ();
5847 }
5848
5849 void
5850 Editor::split_region_at_transients ()
5851 {
5852         AnalysisFeatureList positions;
5853
5854         if (!session) {
5855                 return;
5856         }
5857
5858         RegionSelection rs;
5859
5860         get_regions_for_action (rs);
5861
5862         if (rs.empty()) {
5863                 return;
5864         }
5865
5866         session->begin_reversible_command (_("split regions"));
5867
5868         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ) {
5869
5870                 RegionSelection::iterator tmp;
5871
5872                 tmp = i;
5873                 ++tmp;
5874
5875                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> ((*i)->region());
5876
5877                 if (ar && (ar->get_transients (positions) == 0)) {
5878                         split_region_at_points ((*i)->region(), positions, true);
5879                         positions.clear ();
5880                 }
5881
5882                 i = tmp;
5883         }
5884
5885         session->commit_reversible_command ();
5886
5887 }
5888
5889 void
5890 Editor::split_region_at_points (boost::shared_ptr<Region> r, AnalysisFeatureList& positions, bool can_ferret)
5891 {
5892         bool use_rhythmic_rodent = false;
5893
5894         boost::shared_ptr<Playlist> pl = r->playlist();
5895
5896         if (!pl) {
5897                 return;
5898         }
5899
5900         if (positions.empty()) {
5901                 return;
5902         }
5903
5904
5905         if (positions.size() > 20) {
5906                 Glib::ustring msgstr = string_compose (_("You are about to split\n%1\ninto %2 pieces.\nThis could take a long time."), r->name(), positions.size() + 1);
5907                 MessageDialog msg (msgstr,
5908                                    false,
5909                                    Gtk::MESSAGE_INFO,
5910                                    Gtk::BUTTONS_OK_CANCEL);
5911
5912                 if (can_ferret) {
5913                         msg.add_button (_("Call for the Ferret!"), RESPONSE_APPLY);
5914                         msg.set_secondary_text (_("Press OK to continue with this split operation\nor ask the Ferret dialog to tune the analysis"));
5915                 } else {
5916                         msg.set_secondary_text (_("Press OK to continue with this split operation"));
5917                 }
5918
5919                 msg.set_title (_("Excessive split?"));
5920                 msg.present ();
5921
5922                 int response = msg.run();
5923                 msg.hide ();
5924                 switch (response) {
5925                 case RESPONSE_OK:
5926                         break;
5927                 case RESPONSE_APPLY:
5928                         use_rhythmic_rodent = true;
5929                         break;
5930                 default:
5931                         return;
5932                 }
5933         }
5934
5935         if (use_rhythmic_rodent) {
5936                 show_rhythm_ferret ();
5937                 return;
5938         }
5939
5940         AnalysisFeatureList::const_iterator x;
5941
5942         nframes64_t pos = r->position();
5943
5944         XMLNode& before (pl->get_state());
5945
5946         x = positions.begin();
5947
5948         while (x != positions.end()) {
5949                 if ((*x) > pos) {
5950                         break;
5951                 }
5952                 ++x;
5953         }
5954
5955         if (x == positions.end()) {
5956                 return;
5957         }
5958
5959         pl->freeze ();
5960         pl->remove_region (r);
5961
5962         while (x != positions.end()) {
5963
5964                 /* file start = original start + how far we from the initial position ?
5965                  */
5966
5967                 nframes64_t file_start = r->start() + (pos - r->position());
5968
5969                 /* length = next position - current position
5970                  */
5971
5972                 nframes64_t len = (*x) - pos;
5973
5974                 /* XXX we do we really want to allow even single-sample regions?
5975                    shouldn't we have some kind of lower limit on region size?
5976                 */
5977
5978                 if (len <= 0) {
5979                         break;
5980                 }
5981
5982                 string new_name;
5983
5984                 if (session->region_name (new_name, r->name())) {
5985                         break;
5986                 }
5987
5988                 /* do NOT announce new regions 1 by one, just wait till they are all done */
5989
5990                 boost::shared_ptr<Region> nr = RegionFactory::create (r->sources(), file_start, len, new_name, 0, Region::DefaultFlags, false);
5991                 pl->add_region (nr, pos);
5992
5993                 pos += len;
5994                 ++x;
5995
5996                 if (*x > r->last_frame()) {
5997
5998                         /* add final fragment */
5999
6000                         file_start = r->start() + (pos - r->position());
6001                         len = r->last_frame() - pos;
6002
6003                         nr = RegionFactory::create (r->sources(), file_start, len, new_name, 0, Region::DefaultFlags);
6004                         pl->add_region (nr, pos);
6005
6006                         break;
6007                 }
6008         }
6009
6010         pl->thaw ();
6011
6012         XMLNode& after (pl->get_state());
6013
6014         session->add_command (new MementoCommand<Playlist>(*pl, &before, &after));
6015 }
6016
6017 void
6018 Editor::tab_to_transient (bool forward)
6019 {
6020         AnalysisFeatureList positions;
6021
6022         if (!session) {
6023                 return;
6024         }
6025
6026         nframes64_t pos = session->audible_frame ();
6027
6028         if (!selection->tracks.empty()) {
6029
6030                 for (TrackSelection::iterator t = selection->tracks.begin(); t != selection->tracks.end(); ++t) {
6031
6032                         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*t);
6033
6034                         if (rtv) {
6035                                 boost::shared_ptr<Diskstream> ds = rtv->get_diskstream();
6036                                 if (ds) {
6037                                         boost::shared_ptr<Playlist> pl = rtv->get_diskstream()->playlist ();
6038                                         if (pl) {
6039                                                 nframes64_t result = pl->find_next_transient (pos, forward ? 1 : -1);
6040
6041                                                 if (result >= 0) {
6042                                                         positions.push_back (result);
6043                                                 }
6044                                         }
6045                                 }
6046                         }
6047                 }
6048
6049         } else {
6050
6051                 RegionSelection rs;
6052
6053                 get_regions_for_action (rs);
6054
6055                 if (rs.empty()) {
6056                         return;
6057                 }
6058
6059                 for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
6060                         (*r)->region()->get_transients (positions);
6061                 }
6062         }
6063
6064         TransientDetector::cleanup_transients (positions, session->frame_rate(), 3.0);
6065
6066         if (forward) {
6067                 AnalysisFeatureList::iterator x;
6068
6069                 for (x = positions.begin(); x != positions.end(); ++x) {
6070                         if ((*x) > pos) {
6071                                 break;
6072                         }
6073                 }
6074
6075                 if (x != positions.end ()) {
6076                         session->request_locate (*x);
6077                 }
6078
6079         } else {
6080                 AnalysisFeatureList::reverse_iterator x;
6081
6082                 for (x = positions.rbegin(); x != positions.rend(); ++x) {
6083                         if ((*x) < pos) {
6084                                 break;
6085                         }
6086                 }
6087
6088                 if (x != positions.rend ()) {
6089                         session->request_locate (*x);
6090                 }
6091         }
6092 }
6093 void
6094 Editor::playhead_forward_to_grid ()
6095 {
6096         if (!session) return;
6097         nframes64_t pos = playhead_cursor->current_frame;
6098         if (pos < max_frames - 1) {
6099                 pos += 2;
6100                 snap_to_internal (pos, 1, false);
6101                 session->request_locate (pos);
6102         }
6103 }
6104
6105
6106 void
6107 Editor::playhead_backward_to_grid ()
6108 {
6109         if (!session) return;
6110         nframes64_t pos = playhead_cursor->current_frame;
6111         if (pos > 2) {
6112                 pos -= 2;
6113                 snap_to_internal (pos, -1, false);
6114                 session->request_locate (pos);
6115         }
6116 }
6117
6118 void
6119 Editor::set_track_height (uint32_t h)
6120 {
6121         TrackSelection& ts (selection->tracks);
6122
6123         for (TrackSelection::iterator x = ts.begin(); x != ts.end(); ++x) {
6124                 (*x)->set_height (h);
6125         }
6126 }
6127
6128 void
6129 Editor::toggle_tracks_active ()
6130 {
6131         TrackSelection& ts (selection->tracks);
6132         bool first = true;
6133         bool target = false;
6134
6135         if (ts.empty()) {
6136                 return;
6137         }
6138
6139         for (TrackSelection::iterator x = ts.begin(); x != ts.end(); ++x) {
6140                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*x);
6141
6142                 if (rtv) {
6143                         if (first) {
6144                                 target = !rtv->_route->active();
6145                                 first = false;
6146                         }
6147                         rtv->_route->set_active (target);
6148                 }
6149         }
6150 }
6151
6152 void
6153 Editor::remove_tracks ()
6154 {
6155         TrackSelection& ts (selection->tracks);
6156
6157         if (ts.empty()) {
6158                 return;
6159         }
6160
6161         vector<string> choices;
6162         string prompt;
6163         int ntracks = 0;
6164         int nbusses = 0;
6165         const char* trackstr;
6166         const char* busstr;
6167         vector<boost::shared_ptr<Route> > routes;
6168
6169         for (TrackSelection::iterator x = ts.begin(); x != ts.end(); ++x) {
6170                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*x);
6171                 if (rtv) {
6172                         if (rtv->is_track()) {
6173                                 ntracks++;
6174                         } else {
6175                                 nbusses++;
6176                         }
6177                 }
6178                 routes.push_back (rtv->_route);
6179         }
6180
6181         if (ntracks + nbusses == 0) {
6182                 return;
6183         }
6184
6185         if (ntracks > 1) {
6186                 trackstr = _("tracks");
6187         } else {
6188                 trackstr = _("track");
6189         }
6190
6191         if (nbusses > 1) {
6192                 busstr = _("busses");
6193         } else {
6194                 busstr = _("bus");
6195         }
6196
6197         if (ntracks) {
6198                 if (nbusses) {
6199                         prompt  = string_compose (_("Do you really want to remove %1 %2 and %3 %4?\n"
6200                                                     "(You may also lose the playlists associated with the %2)\n\n"
6201                                                     "This action cannot be undone!"),
6202                                                   ntracks, trackstr, nbusses, busstr);
6203                 } else {
6204                         prompt  = string_compose (_("Do you really want to remove %1 %2?\n"
6205                                                     "(You may also lose the playlists associated with the %2)\n\n"
6206                                                     "This action cannot be undone!"),
6207                                                   ntracks, trackstr);
6208                 }
6209         } else if (nbusses) {
6210                 prompt  = string_compose (_("Do you really want to remove %1 %2?"),
6211                                           nbusses, busstr);
6212         }
6213
6214         choices.push_back (_("No, do nothing."));
6215         if (ntracks + nbusses > 1) {
6216                 choices.push_back (_("Yes, remove them."));
6217         } else {
6218                 choices.push_back (_("Yes, remove it."));
6219         }
6220
6221         Choice prompter (prompt, choices);
6222
6223         if (prompter.run () != 1) {
6224                 return;
6225         }
6226
6227         for (vector<boost::shared_ptr<Route> >::iterator x = routes.begin(); x != routes.end(); ++x) {
6228                 session->remove_route (*x);
6229         }
6230 }
6231
6232 void
6233 Editor::do_insert_time ()
6234 {
6235         if (selection->tracks.empty()) {
6236                 return;
6237         }
6238
6239         ArdourDialog d (*this, _("Insert Time"));
6240
6241         nframes64_t const pos = get_preferred_edit_position ();
6242
6243         d.get_vbox()->set_border_width (12);
6244         d.get_vbox()->set_spacing (4);
6245
6246         Table table (2, 2);
6247         table.set_spacings (4);
6248
6249         Label time_label (_("Time to insert:"));
6250         time_label.set_alignment (1, 0.5);
6251         table.attach (time_label, 0, 1, 0, 1, FILL | EXPAND);
6252         AudioClock clock ("insertTimeClock", true, X_("InsertTimeClock"), true, false, true, true);
6253         clock.set (0);
6254         clock.set_session (session);
6255         clock.set_bbt_reference (pos);
6256         table.attach (clock, 1, 2, 0, 1);
6257
6258         Label intersected_label (_("Intersected regions should:"));
6259         intersected_label.set_alignment (1, 0.5);
6260         table.attach (intersected_label, 0, 1, 1, 2, FILL | EXPAND);
6261         ComboBoxText intersected_combo;
6262         intersected_combo.append_text (_("stay in position"));
6263         intersected_combo.append_text (_("move"));
6264         intersected_combo.append_text (_("be split"));
6265         intersected_combo.set_active (0);
6266         table.attach (intersected_combo, 1, 2, 1, 2);
6267
6268         d.get_vbox()->pack_start (table);
6269
6270         CheckButton move_glued (_("Move glued regions"));
6271         d.get_vbox()->pack_start (move_glued);
6272         CheckButton move_markers (_("Move markers"));
6273         d.get_vbox()->pack_start (move_markers);
6274         CheckButton move_tempos (_("Move tempo and meter changes"));
6275         d.get_vbox()->pack_start (move_tempos);
6276
6277         d.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
6278         d.add_button (_("Insert time"), Gtk::RESPONSE_OK);
6279         d.show_all ();
6280
6281         int response = d.run ();
6282
6283         if (response != RESPONSE_OK) {
6284                 return;
6285         }
6286
6287         nframes64_t distance = clock.current_duration (pos);
6288
6289         if (distance == 0) {
6290                 return;
6291         }
6292
6293         InsertTimeOption opt;
6294
6295         switch (intersected_combo.get_active_row_number ()) {
6296         case 0:
6297                 opt = LeaveIntersected;
6298                 break;
6299         case 1:
6300                 opt = MoveIntersected;
6301                 break;
6302         case 2:
6303                 opt = SplitIntersected;
6304                 break;
6305         }
6306
6307         insert_time (pos, distance, opt, move_glued.get_active(), move_markers.get_active(), move_tempos.get_active());
6308 }
6309
6310 void
6311 Editor::insert_time (nframes64_t pos, nframes64_t frames, InsertTimeOption opt,
6312                      bool ignore_music_glue, bool markers_too, bool tempo_too)
6313 {
6314         bool commit = false;
6315
6316         if (Config->get_edit_mode() == Lock) {
6317                 return;
6318         }
6319
6320         begin_reversible_command (_("insert time"));
6321
6322         for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
6323                 /* regions */
6324                 boost::shared_ptr<Playlist> pl = (*x)->playlist();
6325
6326                 if (pl) {
6327
6328                         XMLNode &before = pl->get_state();
6329
6330                         if (opt == SplitIntersected) {
6331                                 pl->split (pos);
6332                         }
6333
6334                         pl->shift (pos, frames, (opt == MoveIntersected), ignore_music_glue);
6335
6336                         XMLNode &after = pl->get_state();
6337
6338                         session->add_command (new MementoCommand<Playlist> (*pl, &before, &after));
6339                         commit = true;
6340                 }
6341
6342                 /* automation */
6343                 RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (*x);
6344                 if (rtav) {
6345                         rtav->route ()->shift (pos, frames);
6346                         commit = true;
6347                 }
6348         }
6349
6350         /* markers */
6351         if (markers_too) {
6352                 bool moved = false;
6353                 XMLNode& before (session->locations()->get_state());
6354                 Locations::LocationList copy (session->locations()->list());
6355
6356                 for (Locations::LocationList::iterator i = copy.begin(); i != copy.end(); ++i) {
6357
6358                         Locations::LocationList::const_iterator tmp;
6359
6360                         if ((*i)->start() >= pos) {
6361                                 (*i)->set_start ((*i)->start() + frames);
6362                                 if (!(*i)->is_mark()) {
6363                                         (*i)->set_end ((*i)->end() + frames);
6364                                 }
6365                                 moved = true;
6366                         }
6367                 }
6368
6369                 if (moved) {
6370                         XMLNode& after (session->locations()->get_state());
6371                         session->add_command (new MementoCommand<Locations>(*session->locations(), &before, &after));
6372                 }
6373         }
6374
6375         if (tempo_too) {
6376                 session->tempo_map().insert_time (pos, frames);
6377         }
6378
6379         if (commit) {
6380                 commit_reversible_command ();
6381         }
6382 }
6383
6384 void
6385 Editor::fit_selected_tracks ()
6386 {
6387         fit_tracks (selection->tracks);
6388 }
6389
6390 void
6391 Editor::fit_tracks (TrackSelection & tracks)
6392 {
6393         if (tracks.empty()) {
6394                 return;
6395         }
6396
6397         uint32_t child_heights = 0;
6398
6399         for (TrackSelection::iterator t = tracks.begin(); t != tracks.end(); ++t) {
6400
6401                 if (!(*t)->marked_for_display()) {
6402                         continue;
6403                 }
6404
6405                 child_heights += (*t)->effective_height() - (*t)->current_height();
6406         }
6407
6408         uint32_t h = (uint32_t) floor ((_canvas_height - child_heights - canvas_timebars_vsize) / tracks.size());
6409         double first_y_pos = DBL_MAX;
6410
6411         if (h < TimeAxisView::hSmall) {
6412                 MessageDialog msg (*this, _("There are too many tracks to fit in the current window"));
6413                 /* too small to be displayed */
6414                 return;
6415         }
6416
6417         undo_visual_stack.push_back (current_visual_state());
6418
6419         /* operate on all tracks, hide unselected ones that are in the middle of selected ones */
6420
6421         bool prev_was_selected = false;
6422         bool is_selected = tracks.contains (track_views.front());
6423         bool next_is_selected;
6424
6425         for (TrackViewList::iterator t = track_views.begin(); t != track_views.end(); ++t) {
6426
6427                 TrackViewList::iterator next;
6428
6429                 next = t;
6430                 ++next;
6431
6432                 if (next != track_views.end()) {
6433                         next_is_selected = tracks.contains (*next);
6434                 } else {
6435                         next_is_selected = false;
6436                 }
6437
6438                 if (is_selected) {
6439                         (*t)->set_height (h);
6440                         first_y_pos = std::min ((*t)->y_position (), first_y_pos);
6441                 } else {
6442                         if (prev_was_selected && next_is_selected) {
6443                                 hide_track_in_display (**t);
6444                         }
6445                 }
6446
6447                 prev_was_selected = is_selected;
6448                 is_selected = next_is_selected;
6449         }
6450
6451         /*
6452            set the controls_layout height now, because waiting for its size
6453            request signal handler will cause the vertical adjustment setting to fail
6454         */
6455
6456         controls_layout.property_height () = full_canvas_height - canvas_timebars_vsize;
6457         vertical_adjustment.set_value (first_y_pos);
6458
6459         redo_visual_stack.push_back (current_visual_state());
6460 }
6461
6462 void
6463 Editor::save_visual_state (uint32_t n)
6464 {
6465         while (visual_states.size() <= n) {
6466                 visual_states.push_back (0);
6467         }
6468
6469         delete visual_states[n];
6470
6471         visual_states[n] = current_visual_state (true);
6472         gdk_beep ();
6473 }
6474
6475 void
6476 Editor::goto_visual_state (uint32_t n)
6477 {
6478         if (visual_states.size() <= n) {
6479                 return;
6480         }
6481
6482         if (visual_states[n] == 0) {
6483                 return;
6484         }
6485
6486         use_visual_state (*visual_states[n]);
6487 }
6488
6489 void
6490 Editor::start_visual_state_op (uint32_t n)
6491 {
6492         if (visual_state_op_connection.empty()) {
6493                 visual_state_op_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::end_visual_state_op), n), 1000);
6494         }
6495 }
6496
6497 void
6498 Editor::cancel_visual_state_op (uint32_t n)
6499 {
6500         if (!visual_state_op_connection.empty()) {
6501                 visual_state_op_connection.disconnect();
6502                 goto_visual_state (n);
6503         }  else {
6504                 //we land here if called from the menu OR if end_visual_state_op has been called
6505                 //so check if we are already in visual state n
6506                 // XXX not yet checking it at all, but redoing does not hurt
6507                 goto_visual_state (n);
6508         }
6509 }
6510
6511 bool
6512 Editor::end_visual_state_op (uint32_t n)
6513 {
6514         visual_state_op_connection.disconnect();
6515         save_visual_state (n);
6516
6517         PopUp* pup = new PopUp (WIN_POS_MOUSE, 1000, true);
6518         char buf[32];
6519         snprintf (buf, sizeof (buf), _("Saved view %u"), n+1);
6520         pup->set_text (buf);
6521         pup->touch();
6522
6523         return false; // do not call again
6524 }
6525