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/named_selection.h"
  48 #include "ardour/audio_track.h"
  49 #include "ardour/audioplaylist.h"
  50 #include "ardour/region_factory.h"
  51 #include "ardour/playlist_factory.h"
  52 #include "ardour/reverse.h"
  53 #include "ardour/transient_detector.h"
  54 #include "ardour/dB.h"
  55 #include "ardour/quantize.h"
  56 #include "ardour/strip_silence.h"
  57 #include "ardour/route_group.h"
  58
  59 #include "ardour_ui.h"
  60 #include "editor.h"
  61 #include "time_axis_view.h"
  62 #include "route_time_axis.h"
  63 #include "audio_time_axis.h"
  64 #include "automation_time_axis.h"
  65 #include "streamview.h"
  66 #include "audio_streamview.h"
  67 #include "audio_region_view.h"
  68 #include "midi_region_view.h"
  69 #include "rgb_macros.h"
  70 #include "selection_templates.h"
  71 #include "selection.h"
  72 #include "editing.h"
  73 #include "gtk-custom-hruler.h"
  74 #include "gui_thread.h"
  75 #include "keyboard.h"
  76 #include "utils.h"
  77 #include "editor_drag.h"
  78 #include "strip_silence_dialog.h"
  79 #include "editor_routes.h"
  80 #include "editor_regions.h"
  81 #include "quantize_dialog.h"
  82
  83 #include "i18n.h"
  84
  85 using namespace std;
  86 using namespace ARDOUR;
  87 using namespace PBD;
  88 using namespace sigc;
  89 using namespace Gtk;
  90 using namespace Gtkmm2ext;
  91 using namespace Editing;
  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
1500         Gtk::Adjustment* adj = edit_vscrollbar.get_adjustment();
1501         double vert_value = adj->get_value() + 60;
1502
1503         if (vert_value>adj->get_upper() - _canvas_height) {
1504                 vert_value = adj->get_upper() - _canvas_height;
1505         }
1506         adj->set_value (vert_value);
1507 }
1508
1509 void
1510 Editor::scroll_tracks_up_line ()
1511 {
1512         Gtk::Adjustment* adj = edit_vscrollbar.get_adjustment();
1513         adj->set_value (adj->get_value() - 60);
1514 }
1515
1516 /* ZOOM */
1517
1518 void
1519 Editor::tav_zoom_step (bool coarser)
1520 {
1521         ENSURE_GUI_THREAD (bind (mem_fun (*this, &Editor::temporal_zoom_step), coarser));
1522
1523         _routes->suspend_redisplay ();
1524
1525         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1526                 TimeAxisView *tv = (static_cast<TimeAxisView*>(*i));
1527                         tv->step_height (coarser);
1528         }
1529
1530         _routes->resume_redisplay ();
1531 }
1532
1533 void
1534 Editor::temporal_zoom_step (bool coarser)
1535 {
1536         ENSURE_GUI_THREAD (bind (mem_fun (*this, &Editor::temporal_zoom_step), coarser));
1537
1538         double nfpu;
1539
1540         nfpu = frames_per_unit;
1541
1542         if (coarser) {
1543                 nfpu *= 1.61803399;
1544         } else {
1545                 nfpu = max(1.0,(nfpu/1.61803399));
1546         }
1547
1548         temporal_zoom (nfpu);
1549 }
1550
1551 void
1552 Editor::temporal_zoom (gdouble fpu)
1553 {
1554         if (!session) return;
1555
1556         nframes64_t current_page = current_page_frames();
1557         nframes64_t current_leftmost = leftmost_frame;
1558         nframes64_t current_rightmost;
1559         nframes64_t current_center;
1560         nframes64_t new_page_size;
1561         nframes64_t half_page_size;
1562         nframes64_t leftmost_after_zoom = 0;
1563         nframes64_t where;
1564         bool in_track_canvas;
1565         double nfpu;
1566         double l;
1567
1568         /* XXX this limit is also in ::set_frames_per_unit() */
1569
1570         if (frames_per_unit <= 2.0 && fpu <= frames_per_unit) {
1571                 return;
1572         }
1573
1574         nfpu = fpu;
1575
1576         new_page_size = (nframes64_t) floor (_canvas_width * nfpu);
1577         half_page_size = new_page_size / 2;
1578
1579         switch (zoom_focus) {
1580         case ZoomFocusLeft:
1581                 leftmost_after_zoom = current_leftmost;
1582                 break;
1583
1584         case ZoomFocusRight:
1585                 current_rightmost = leftmost_frame + current_page;
1586                 if (current_rightmost < new_page_size) {
1587                         leftmost_after_zoom = 0;
1588                 } else {
1589                         leftmost_after_zoom = current_rightmost - new_page_size;
1590                 }
1591                 break;
1592
1593         case ZoomFocusCenter:
1594                 current_center = current_leftmost + (current_page/2);
1595                 if (current_center < half_page_size) {
1596                         leftmost_after_zoom = 0;
1597                 } else {
1598                         leftmost_after_zoom = current_center - half_page_size;
1599                 }
1600                 break;
1601
1602         case ZoomFocusPlayhead:
1603                 /* try to keep the playhead in the same place */
1604
1605                 where = playhead_cursor->current_frame;
1606
1607                 l = - ((new_page_size * ((where - current_leftmost)/(double)current_page)) - where);
1608
1609                 if (l < 0) {
1610                         leftmost_after_zoom = 0;
1611                 } else if (l > max_frames) {
1612                         leftmost_after_zoom = max_frames - new_page_size;
1613                 } else {
1614                         leftmost_after_zoom = (nframes64_t) l;
1615                 }
1616                 break;
1617
1618         case ZoomFocusMouse:
1619                 /* try to keep the mouse over the same point in the display */
1620
1621                 if (!mouse_frame (where, in_track_canvas)) {
1622                         /* use playhead instead */
1623                         where = playhead_cursor->current_frame;
1624
1625                         if (where < half_page_size) {
1626                                 leftmost_after_zoom = 0;
1627                         } else {
1628                                 leftmost_after_zoom = where - half_page_size;
1629                         }
1630
1631                 } else {
1632
1633                         l = - ((new_page_size * ((where - current_leftmost)/(double)current_page)) - where);
1634
1635                         if (l < 0) {
1636                                 leftmost_after_zoom = 0;
1637                         } else if (l > max_frames) {
1638                                 leftmost_after_zoom = max_frames - new_page_size;
1639                         } else {
1640                                 leftmost_after_zoom = (nframes64_t) l;
1641                         }
1642                 }
1643
1644                 break;
1645
1646         case ZoomFocusEdit:
1647                 /* try to keep the edit point in the same place */
1648                 where = get_preferred_edit_position ();
1649
1650                 if (where > 0) {
1651
1652                         double l = - ((new_page_size * ((where - current_leftmost)/(double)current_page)) - where);
1653
1654                         if (l < 0) {
1655                                 leftmost_after_zoom = 0;
1656                         } else if (l > max_frames) {
1657                                 leftmost_after_zoom = max_frames - new_page_size;
1658                         } else {
1659                                 leftmost_after_zoom = (nframes64_t) l;
1660                         }
1661
1662                 } else {
1663                         /* edit point not defined */
1664                         return;
1665                 }
1666                 break;
1667
1668         }
1669
1670         // leftmost_after_zoom = min (leftmost_after_zoom, session->current_end_frame());
1671
1672         reposition_and_zoom (leftmost_after_zoom, nfpu);
1673 }
1674
1675 void
1676 Editor::temporal_zoom_region (bool both_axes)
1677 {
1678
1679         nframes64_t start = max_frames;
1680         nframes64_t end = 0;
1681         RegionSelection rs;
1682         set<TimeAxisView*> tracks;
1683
1684         get_regions_for_action (rs);
1685
1686         if (rs.empty()) {
1687                 return;
1688         }
1689
1690         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
1691
1692                 if ((*i)->region()->position() < start) {
1693                         start = (*i)->region()->position();
1694                 }
1695
1696                 if ((*i)->region()->last_frame() + 1 > end) {
1697                         end = (*i)->region()->last_frame() + 1;
1698                 }
1699
1700                 tracks.insert (&((*i)->get_time_axis_view()));
1701         }
1702
1703         /* now comes an "interesting" hack ... make sure we leave a little space
1704            at each end of the editor so that the zoom doesn't fit the region
1705            precisely to the screen.
1706         */
1707
1708         GdkScreen* screen = gdk_screen_get_default ();
1709         gint pixwidth = gdk_screen_get_width (screen);
1710         gint mmwidth = gdk_screen_get_width_mm (screen);
1711         double pix_per_mm = (double) pixwidth/ (double) mmwidth;
1712         double one_centimeter_in_pixels = pix_per_mm * 10.0;
1713
1714         if ((start == 0 && end == 0) || end < start) {
1715                 return;
1716         }
1717
1718         nframes64_t range = end - start;
1719         double new_fpu = (double)range / (double)_canvas_width;
1720         nframes64_t extra_samples = (nframes64_t) floor (one_centimeter_in_pixels * new_fpu);
1721
1722         if (start > extra_samples) {
1723                 start -= extra_samples;
1724         } else {
1725                 start = 0;
1726         }
1727
1728         if (max_frames - extra_samples > end) {
1729                 end += extra_samples;
1730         } else {
1731                 end = max_frames;
1732         }
1733
1734         if (both_axes) {
1735                 /* save visual state with track states included, and prevent
1736                    set_frames_per_unit() from doing it again.
1737                 */
1738                 undo_visual_stack.push_back (current_visual_state(true));
1739                 no_save_visual = true;
1740         }
1741
1742         temporal_zoom_by_frame (start, end, "zoom to region");
1743
1744         if (both_axes) {
1745                 uint32_t per_track_height = (uint32_t) floor ((_canvas_height - canvas_timebars_vsize - 10.0) / tracks.size());
1746
1747                 /* set visible track heights appropriately */
1748
1749                 for (set<TimeAxisView*>::iterator t = tracks.begin(); t != tracks.end(); ++t) {
1750                         (*t)->set_height (per_track_height);
1751                 }
1752
1753                 /* hide irrelevant tracks */
1754
1755                 _routes->suspend_redisplay ();
1756
1757                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1758                         if (find (tracks.begin(), tracks.end(), (*i)) == tracks.end()) {
1759                                 hide_track_in_display (**i, true);
1760                         }
1761                 }
1762
1763                 _routes->resume_redisplay ();
1764
1765                 vertical_adjustment.set_value (0.0);
1766                 no_save_visual = false;
1767         }
1768
1769         redo_visual_stack.push_back (current_visual_state());
1770 }
1771
1772 void
1773 Editor::zoom_to_region (bool both_axes)
1774 {
1775         temporal_zoom_region (both_axes);
1776 }
1777
1778 void
1779 Editor::temporal_zoom_selection ()
1780 {
1781         if (!selection) return;
1782
1783         if (selection->time.empty()) {
1784                 return;
1785         }
1786
1787         nframes64_t start = selection->time[clicked_selection].start;
1788         nframes64_t end = selection->time[clicked_selection].end;
1789
1790         temporal_zoom_by_frame (start, end, "zoom to selection");
1791 }
1792
1793 void
1794 Editor::temporal_zoom_session ()
1795 {
1796         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::temporal_zoom_session));
1797
1798         if (session) {
1799                 temporal_zoom_by_frame (session->current_start_frame(), session->current_end_frame(), "zoom to session");
1800         }
1801 }
1802
1803 void
1804 Editor::temporal_zoom_by_frame (nframes64_t start, nframes64_t end, const string & /*op*/)
1805 {
1806         if (!session) return;
1807
1808         if ((start == 0 && end == 0) || end < start) {
1809                 return;
1810         }
1811
1812         nframes64_t range = end - start;
1813
1814         double new_fpu = (double)range / (double)_canvas_width;
1815
1816         nframes64_t new_page = (nframes64_t) floor (_canvas_width * new_fpu);
1817         nframes64_t middle = (nframes64_t) floor( (double)start + ((double)range / 2.0f ));
1818         nframes64_t new_leftmost = (nframes64_t) floor( (double)middle - ((double)new_page/2.0f));
1819
1820         if (new_leftmost > middle) {
1821                 new_leftmost = 0;
1822         }
1823
1824         reposition_and_zoom (new_leftmost, new_fpu);
1825 }
1826
1827 void
1828 Editor::temporal_zoom_to_frame (bool coarser, nframes64_t frame)
1829 {
1830         if (!session) {
1831                 return;
1832         }
1833         double range_before = frame - leftmost_frame;
1834         double new_fpu;
1835
1836         new_fpu = frames_per_unit;
1837
1838         if (coarser) {
1839                 new_fpu *= 1.61803399;
1840                 range_before *= 1.61803399;
1841         } else {
1842                 new_fpu = max(1.0,(new_fpu/1.61803399));
1843                 range_before /= 1.61803399;
1844         }
1845
1846         if (new_fpu == frames_per_unit)  {
1847                 return;
1848         }
1849
1850         nframes64_t new_leftmost = frame - (nframes64_t)range_before;
1851
1852         if (new_leftmost > frame) {
1853                 new_leftmost = 0;
1854         }
1855 //      begin_reversible_command (_("zoom to frame"));
1856 //      session->add_undo (bind (mem_fun(*this, &Editor::reposition_and_zoom), leftmost_frame, frames_per_unit));
1857 //      session->add_redo (bind (mem_fun(*this, &Editor::reposition_and_zoom), new_leftmost, new_fpu));
1858 //      commit_reversible_command ();
1859
1860         reposition_and_zoom (new_leftmost, new_fpu);
1861 }
1862
1863
1864 bool
1865 Editor::choose_new_marker_name(string &name) {
1866
1867         if (!Config->get_name_new_markers()) {
1868                 /* don't prompt user for a new name */
1869                 return true;
1870         }
1871
1872         ArdourPrompter dialog (true);
1873
1874         dialog.set_prompt (_("New Name:"));
1875
1876         dialog.set_title (_("New Location Marker"));
1877
1878         dialog.set_name ("MarkNameWindow");
1879         dialog.set_size_request (250, -1);
1880         dialog.set_position (Gtk::WIN_POS_MOUSE);
1881
1882         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
1883         dialog.set_initial_text (name);
1884
1885         dialog.show ();
1886
1887         switch (dialog.run ()) {
1888         case RESPONSE_ACCEPT:
1889                 break;
1890         default:
1891                 return false;
1892         }
1893
1894         dialog.get_result(name);
1895         return true;
1896
1897 }
1898
1899
1900 void
1901 Editor::add_location_from_selection ()
1902 {
1903         string rangename;
1904
1905         if (selection->time.empty()) {
1906                 return;
1907         }
1908
1909         if (session == 0 || clicked_axisview == 0) {
1910                 return;
1911         }
1912
1913         nframes64_t start = selection->time[clicked_selection].start;
1914         nframes64_t end = selection->time[clicked_selection].end;
1915
1916         session->locations()->next_available_name(rangename,"selection");
1917         Location *location = new Location (start, end, rangename, Location::IsRangeMarker);
1918
1919         session->begin_reversible_command (_("add marker"));
1920         XMLNode &before = session->locations()->get_state();
1921         session->locations()->add (location, true);
1922         XMLNode &after = session->locations()->get_state();
1923         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
1924         session->commit_reversible_command ();
1925 }
1926
1927 void
1928 Editor::add_location_mark (nframes64_t where)
1929 {
1930         string markername;
1931
1932         select_new_marker = true;
1933
1934         session->locations()->next_available_name(markername,"mark");
1935         if (!choose_new_marker_name(markername)) {
1936                 return;
1937         }
1938         Location *location = new Location (where, where, markername, Location::IsMark);
1939         session->begin_reversible_command (_("add marker"));
1940         XMLNode &before = session->locations()->get_state();
1941         session->locations()->add (location, true);
1942         XMLNode &after = session->locations()->get_state();
1943         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
1944         session->commit_reversible_command ();
1945 }
1946
1947 void
1948 Editor::add_location_from_playhead_cursor ()
1949 {
1950         add_location_mark (session->audible_frame());
1951 }
1952
1953 void
1954 Editor::add_locations_from_audio_region ()
1955 {
1956         RegionSelection rs;
1957
1958         get_regions_for_action (rs);
1959
1960         if (rs.empty()) {
1961                 return;
1962         }
1963
1964         session->begin_reversible_command (rs.size () > 1 ? _("add markers") : _("add marker"));
1965         XMLNode &before = session->locations()->get_state();
1966
1967         cerr << "Add locations\n";
1968
1969         for (RegionSelection::iterator i = rs.begin (); i != rs.end (); ++i) {
1970
1971                 boost::shared_ptr<Region> region = (*i)->region ();
1972
1973                 Location *location = new Location (region->position(), region->last_frame(), region->name(), Location::IsRangeMarker);
1974
1975                 session->locations()->add (location, true);
1976         }
1977
1978         XMLNode &after = session->locations()->get_state();
1979         session->add_command (new MementoCommand<Locations>(*(session->locations()), &before, &after));
1980         session->commit_reversible_command ();
1981 }
1982
1983 void
1984 Editor::add_location_from_audio_region ()
1985 {
1986         RegionSelection rs;
1987
1988         get_regions_for_action (rs);
1989
1990         if (rs.empty()) {
1991                 return;
1992         }
1993
1994         session->begin_reversible_command (_("add marker"));
1995         XMLNode &before = session->locations()->get_state();
1996
1997         string markername;
1998
1999         if (rs.size() > 1) {            // more than one region selected
2000                 session->locations()->next_available_name(markername, "regions");
2001         } else {
2002                 RegionView* rv = *(rs.begin());
2003                 boost::shared_ptr<Region> region = rv->region();
2004                 markername = region->name();
2005         }
2006
2007         if (!choose_new_marker_name(markername)) {
2008                 return;
2009         }
2010
2011         cerr << "Add location\n";
2012
2013         // single range spanning all selected
2014         Location *location = new Location (rs.start(), rs.end_frame(), markername, Location::IsRangeMarker);
2015         session->locations()->add (location, true);
2016
2017         XMLNode &after = session->locations()->get_state();
2018         session->add_command (new MementoCommand<Locations>(*(session->locations()), &before, &after));
2019         session->commit_reversible_command ();
2020 }
2021
2022 void
2023 Editor::amplitude_zoom_step (bool in)
2024 {
2025         gdouble zoom = 1.0;
2026
2027         if (in) {
2028                 zoom *= 2.0;
2029         } else {
2030                 if (zoom > 2.0) {
2031                         zoom /= 2.0;
2032                 } else {
2033                         zoom = 1.0;
2034                 }
2035         }
2036
2037 #ifdef FIX_FOR_CANVAS
2038         /* XXX DO SOMETHING */
2039 #endif
2040 }
2041
2042
2043 /* DELETION */
2044
2045
2046 void
2047 Editor::delete_sample_forward ()
2048 {
2049 }
2050
2051 void
2052 Editor::delete_sample_backward ()
2053 {
2054 }
2055
2056 void
2057 Editor::delete_screen ()
2058 {
2059 }
2060
2061 /* SEARCH */
2062
2063 void
2064 Editor::search_backwards ()
2065 {
2066         /* what ? */
2067 }
2068
2069 void
2070 Editor::search_forwards ()
2071 {
2072         /* what ? */
2073 }
2074
2075 /* MARKS */
2076
2077 void
2078 Editor::jump_forward_to_mark ()
2079 {
2080         if (!session) {
2081                 return;
2082         }
2083
2084         Location *location = session->locations()->first_location_after (playhead_cursor->current_frame);
2085
2086         if (location) {
2087                 session->request_locate (location->start(), session->transport_rolling());
2088         } else {
2089                 session->request_locate (session->current_end_frame());
2090         }
2091 }
2092
2093 void
2094 Editor::jump_backward_to_mark ()
2095 {
2096         if (!session) {
2097                 return;
2098         }
2099
2100         Location *location = session->locations()->first_location_before (playhead_cursor->current_frame);
2101
2102         if (location) {
2103                 session->request_locate (location->start(), session->transport_rolling());
2104         } else {
2105                 session->goto_start ();
2106         }
2107 }
2108
2109 void
2110 Editor::set_mark ()
2111 {
2112         nframes64_t pos;
2113         float prefix;
2114         bool was_floating;
2115         string markername;
2116
2117         if (get_prefix (prefix, was_floating)) {
2118                 pos = session->audible_frame ();
2119         } else {
2120                 if (was_floating) {
2121                         pos = (nframes64_t) floor (prefix * session->frame_rate ());
2122                 } else {
2123                         pos = (nframes64_t) floor (prefix);
2124                 }
2125         }
2126
2127         session->locations()->next_available_name(markername,"mark");
2128         if (!choose_new_marker_name(markername)) {
2129                 return;
2130         }
2131         session->locations()->add (new Location (pos, 0, markername, Location::IsMark), true);
2132 }
2133
2134 void
2135 Editor::clear_markers ()
2136 {
2137         if (session) {
2138                 session->begin_reversible_command (_("clear markers"));
2139                 XMLNode &before = session->locations()->get_state();
2140                 session->locations()->clear_markers ();
2141                 XMLNode &after = session->locations()->get_state();
2142                 session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
2143                 session->commit_reversible_command ();
2144         }
2145 }
2146
2147 void
2148 Editor::clear_ranges ()
2149 {
2150         if (session) {
2151                 session->begin_reversible_command (_("clear ranges"));
2152                 XMLNode &before = session->locations()->get_state();
2153
2154                 Location * looploc = session->locations()->auto_loop_location();
2155                 Location * punchloc = session->locations()->auto_punch_location();
2156
2157                 session->locations()->clear_ranges ();
2158                 // re-add these
2159                 if (looploc) session->locations()->add (looploc);
2160                 if (punchloc) session->locations()->add (punchloc);
2161
2162                 XMLNode &after = session->locations()->get_state();
2163                 session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
2164                 session->commit_reversible_command ();
2165         }
2166 }
2167
2168 void
2169 Editor::clear_locations ()
2170 {
2171         session->begin_reversible_command (_("clear locations"));
2172         XMLNode &before = session->locations()->get_state();
2173         session->locations()->clear ();
2174         XMLNode &after = session->locations()->get_state();
2175         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
2176         session->commit_reversible_command ();
2177         session->locations()->clear ();
2178 }
2179
2180 void
2181 Editor::unhide_markers ()
2182 {
2183         for (LocationMarkerMap::iterator i = location_markers.begin(); i != location_markers.end(); ++i) {
2184                 Location *l = (*i).first;
2185                 if (l->is_hidden() && l->is_mark()) {
2186                         l->set_hidden(false, this);
2187                 }
2188         }
2189 }
2190
2191 void
2192 Editor::unhide_ranges ()
2193 {
2194         for (LocationMarkerMap::iterator i = location_markers.begin(); i != location_markers.end(); ++i) {
2195                 Location *l = (*i).first;
2196                 if (l->is_hidden() && l->is_range_marker()) {
2197                         l->set_hidden(false, this);
2198                 }
2199         }
2200 }
2201
2202 /* INSERT/REPLACE */
2203
2204 void
2205 Editor::insert_region_list_drag (boost::shared_ptr<Region> region, int x, int y)
2206 {
2207         double wx, wy;
2208         double cx, cy;
2209         nframes64_t where;
2210         RouteTimeAxisView *rtv = 0;
2211         boost::shared_ptr<Playlist> playlist;
2212
2213         track_canvas->window_to_world (x, y, wx, wy);
2214         //wx += horizontal_adjustment.get_value();
2215         //wy += vertical_adjustment.get_value();
2216
2217         GdkEvent event;
2218         event.type = GDK_BUTTON_RELEASE;
2219         event.button.x = wx;
2220         event.button.y = wy;
2221
2222         where = event_frame (&event, &cx, &cy);
2223
2224         if (where < leftmost_frame || where > leftmost_frame + current_page_frames()) {
2225                 /* clearly outside canvas area */
2226                 return;
2227         }
2228
2229         std::pair<TimeAxisView*, int> tv = trackview_by_y_position (cy);
2230         if (tv.first == 0) {
2231                 return;
2232         }
2233
2234         if ((rtv = dynamic_cast<RouteTimeAxisView*> (tv.first)) == 0) {
2235                 return;
2236         }
2237
2238         if ((playlist = rtv->playlist()) == 0) {
2239                 return;
2240         }
2241
2242         snap_to (where);
2243
2244         begin_reversible_command (_("insert dragged region"));
2245         XMLNode &before = playlist->get_state();
2246         playlist->add_region (RegionFactory::create (region), where, 1.0);
2247         session->add_command(new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
2248         commit_reversible_command ();
2249 }
2250
2251 void
2252 Editor::insert_route_list_drag (boost::shared_ptr<Route> route, int x, int y) {
2253         double wx, wy;
2254         double cx, cy;
2255         nframes_t where;
2256         RouteTimeAxisView *dest_rtv = 0;
2257         RouteTimeAxisView *source_rtv = 0;
2258
2259         track_canvas->window_to_world (x, y, wx, wy);
2260         wx += horizontal_adjustment.get_value();
2261         wy += vertical_adjustment.get_value();
2262
2263         GdkEvent event;
2264         event.type = GDK_BUTTON_RELEASE;
2265         event.button.x = wx;
2266         event.button.y = wy;
2267
2268         where = event_frame (&event, &cx, &cy);
2269
2270         std::pair<TimeAxisView*, int> const tv = trackview_by_y_position (cy);
2271         if (tv.first == 0) {
2272                 return;
2273         }
2274
2275         if ((dest_rtv = dynamic_cast<RouteTimeAxisView*> (tv.first)) == 0) {
2276                 return;
2277         }
2278
2279         /* use this drag source to add underlay to a track. But we really don't care
2280            about the Route, only the view of the route, so find it first */
2281         for(TrackViewList::iterator it = track_views.begin(); it != track_views.end(); ++it) {
2282                 if((source_rtv = dynamic_cast<RouteTimeAxisView*>(*it)) == 0) {
2283                         continue;
2284                 }
2285
2286                 if(source_rtv->route() == route && source_rtv != dest_rtv) {
2287                         dest_rtv->add_underlay(source_rtv->view());
2288                         break;
2289                 }
2290         }
2291 }
2292
2293 void
2294 Editor::insert_region_list_selection (float times)
2295 {
2296         RouteTimeAxisView *tv = 0;
2297         boost::shared_ptr<Playlist> playlist;
2298
2299         if (clicked_routeview != 0) {
2300                 tv = clicked_routeview;
2301         } else if (!selection->tracks.empty()) {
2302                 if ((tv = dynamic_cast<RouteTimeAxisView*>(selection->tracks.front())) == 0) {
2303                         return;
2304                 }
2305         } else if (entered_track != 0) {
2306                 if ((tv = dynamic_cast<RouteTimeAxisView*>(entered_track)) == 0) {
2307                         return;
2308                 }
2309         } else {
2310                 return;
2311         }
2312
2313         if ((playlist = tv->playlist()) == 0) {
2314                 return;
2315         }
2316
2317         boost::shared_ptr<Region> region = _regions->get_single_selection ();
2318         if (region == 0) {
2319                 return;
2320         }
2321
2322         begin_reversible_command (_("insert region"));
2323         XMLNode &before = playlist->get_state();
2324         playlist->add_region ((RegionFactory::create (region)), get_preferred_edit_position(), times);
2325         session->add_command(new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
2326         commit_reversible_command ();
2327 }
2328
2329 /* BUILT-IN EFFECTS */
2330
2331 void
2332 Editor::reverse_selection ()
2333 {
2334
2335 }
2336
2337 /* GAIN ENVELOPE EDITING */
2338
2339 void
2340 Editor::edit_envelope ()
2341 {
2342 }
2343
2344 /* PLAYBACK */
2345
2346 void
2347 Editor::transition_to_rolling (bool fwd)
2348 {
2349         if (!session) {
2350                 return;
2351         }
2352
2353         if (session->config.get_external_sync()) {
2354                 switch (session->config.get_sync_source()) {
2355                 case JACK:
2356                         break;
2357                 default:
2358                         /* transport controlled by the master */
2359                         return;
2360                 }
2361         }
2362
2363         if (session->is_auditioning()) {
2364                 session->cancel_audition ();
2365                 return;
2366         }
2367
2368         session->request_transport_speed (fwd ? 1.0f : -1.0f);
2369 }
2370
2371 void
2372 Editor::play_from_start ()
2373 {
2374         session->request_locate (session->current_start_frame(), true);
2375 }
2376
2377 void
2378 Editor::play_from_edit_point ()
2379 {
2380         session->request_locate (get_preferred_edit_position(), true);
2381 }
2382
2383 void
2384 Editor::play_from_edit_point_and_return ()
2385 {
2386         nframes64_t start_frame;
2387         nframes64_t return_frame;
2388
2389         start_frame = get_preferred_edit_position (true);
2390
2391         if (session->transport_rolling()) {
2392                 session->request_locate (start_frame, false);
2393                 return;
2394         }
2395
2396         /* don't reset the return frame if its already set */
2397
2398         if ((return_frame = session->requested_return_frame()) < 0) {
2399                 return_frame = session->audible_frame();
2400         }
2401
2402         if (start_frame >= 0) {
2403                 session->request_roll_at_and_return (start_frame, return_frame);
2404         }
2405 }
2406
2407 void
2408 Editor::play_selection ()
2409 {
2410         if (selection->time.empty()) {
2411                 return;
2412         }
2413
2414         session->request_play_range (&selection->time, true);
2415 }
2416
2417 void
2418 Editor::loop_selected_region ()
2419 {
2420         RegionSelection rs;
2421
2422         get_regions_for_action (rs);
2423
2424         if (!rs.empty()) {
2425                 RegionView *rv = *(rs.begin());
2426                 Location* tll;
2427
2428                 if ((tll = transport_loop_location()) != 0)  {
2429
2430                         tll->set (rv->region()->position(), rv->region()->last_frame());
2431
2432                         // enable looping, reposition and start rolling
2433
2434                         session->request_play_loop (true);
2435                         session->request_locate (tll->start(), false);
2436                         session->request_transport_speed (1.0f);
2437                 }
2438         }
2439 }
2440
2441 void
2442 Editor::play_location (Location& location)
2443 {
2444         if (location.start() <= location.end()) {
2445                 return;
2446         }
2447
2448         session->request_bounded_roll (location.start(), location.end());
2449 }
2450
2451 void
2452 Editor::loop_location (Location& location)
2453 {
2454         if (location.start() <= location.end()) {
2455                 return;
2456         }
2457
2458         Location* tll;
2459
2460         if ((tll = transport_loop_location()) != 0) {
2461                 tll->set (location.start(), location.end());
2462
2463                 // enable looping, reposition and start rolling
2464                 session->request_play_loop (true);
2465                 session->request_locate (tll->start(), true);
2466         }
2467 }
2468
2469 void
2470 Editor::raise_region ()
2471 {
2472         selection->foreach_region (&Region::raise);
2473 }
2474
2475 void
2476 Editor::raise_region_to_top ()
2477 {
2478         selection->foreach_region (&Region::raise_to_top);
2479 }
2480
2481 void
2482 Editor::lower_region ()
2483 {
2484         selection->foreach_region (&Region::lower);
2485 }
2486
2487 void
2488 Editor::lower_region_to_bottom ()
2489 {
2490         selection->foreach_region (&Region::lower_to_bottom);
2491 }
2492
2493 /** Show the region editor for the selected regions */
2494 void
2495 Editor::edit_region ()
2496 {
2497         selection->foreach_regionview (&RegionView::show_region_editor);
2498 }
2499
2500 /** Show the midi list editor for the selected MIDI regions */
2501 void
2502 Editor::show_midi_list_editor ()
2503 {
2504         selection->foreach_midi_regionview (&MidiRegionView::show_list_editor);
2505 }
2506
2507 void
2508 Editor::rename_region()
2509 {
2510         RegionSelection rs;
2511
2512         get_regions_for_action (rs);
2513
2514         if (rs.empty()) {
2515                 return;
2516         }
2517
2518         ArdourDialog d (*this, _("Rename Region"), true, false);
2519         Entry entry;
2520         Label label (_("New name:"));
2521         HBox hbox;
2522
2523         hbox.set_spacing (6);
2524         hbox.pack_start (label, false, false);
2525         hbox.pack_start (entry, true, true);
2526
2527         d.get_vbox()->set_border_width (12);
2528         d.get_vbox()->pack_start (hbox, false, false);
2529
2530         d.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
2531         d.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2532
2533         d.set_size_request (300, -1);
2534         d.set_position (Gtk::WIN_POS_MOUSE);
2535
2536         entry.set_text (rs.front()->region()->name());
2537         entry.select_region (0, -1);
2538
2539         entry.signal_activate().connect (bind (mem_fun (d, &Dialog::response), RESPONSE_OK));
2540
2541         d.show_all ();
2542
2543         entry.grab_focus();
2544
2545         int ret = d.run();
2546
2547         d.hide ();
2548
2549         if (ret == RESPONSE_OK) {
2550                 std::string str = entry.get_text();
2551                 strip_whitespace_edges (str);
2552                 if (!str.empty()) {
2553                         rs.front()->region()->set_name (str);
2554                         _regions->redisplay ();
2555                 }
2556         }
2557 }
2558
2559 void
2560 Editor::audition_playlist_region_via_route (boost::shared_ptr<Region> region, Route& route)
2561 {
2562         if (session->is_auditioning()) {
2563                 session->cancel_audition ();
2564         }
2565
2566         // note: some potential for creativity here, because region doesn't
2567         // have to belong to the playlist that Route is handling
2568
2569         // bool was_soloed = route.soloed();
2570
2571         route.set_solo (true, this);
2572
2573         session->request_bounded_roll (region->position(), region->position() + region->length());
2574
2575         /* XXX how to unset the solo state ? */
2576 }
2577
2578 /** Start an audition of the first selected region */
2579 void
2580 Editor::play_edit_range ()
2581 {
2582         nframes64_t start, end;
2583
2584         if (get_edit_op_range (start, end)) {
2585                 session->request_bounded_roll (start, end);
2586         }
2587 }
2588
2589 void
2590 Editor::play_selected_region ()
2591 {
2592         nframes64_t start = max_frames;
2593         nframes64_t end = 0;
2594         RegionSelection rs;
2595
2596         get_regions_for_action (rs);
2597
2598         if (rs.empty()) {
2599                 return;
2600         }
2601
2602         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
2603                 if ((*i)->region()->position() < start) {
2604                         start = (*i)->region()->position();
2605                 }
2606                 if ((*i)->region()->last_frame() + 1 > end) {
2607                         end = (*i)->region()->last_frame() + 1;
2608                 }
2609         }
2610
2611         session->request_bounded_roll (start, end);
2612 }
2613
2614 void
2615 Editor::audition_playlist_region_standalone (boost::shared_ptr<Region> region)
2616 {
2617         session->audition_region (region);
2618 }
2619
2620 void
2621 Editor::build_interthread_progress_window ()
2622 {
2623         interthread_progress_window = new ArdourDialog (X_("interthread progress"), true);
2624
2625         interthread_progress_bar.set_orientation (Gtk::PROGRESS_LEFT_TO_RIGHT);
2626
2627         interthread_progress_window->set_border_width (12);
2628         interthread_progress_window->get_vbox()->set_spacing (6);
2629
2630         interthread_progress_label.set_alignment (0.5, 0.5);
2631
2632         interthread_progress_window->get_vbox()->pack_start (interthread_progress_label, false, false);
2633         interthread_progress_window->get_vbox()->pack_start (interthread_progress_bar,false, false);
2634
2635         // GTK2FIX: this button needs a modifiable label
2636
2637         Button* b = interthread_progress_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
2638         b->signal_clicked().connect (mem_fun(*this, &Editor::interthread_cancel_clicked));
2639
2640         interthread_cancel_button.add (interthread_cancel_label);
2641
2642         interthread_progress_window->set_default_size (200, 100);
2643 }
2644
2645 void
2646 Editor::interthread_cancel_clicked ()
2647 {
2648         if (current_interthread_info) {
2649                 current_interthread_info->cancel = true;
2650         }
2651 }
2652
2653 void
2654 Editor::region_from_selection ()
2655 {
2656         if (clicked_axisview == 0) {
2657                 return;
2658         }
2659
2660         if (selection->time.empty()) {
2661                 return;
2662         }
2663
2664         nframes64_t start = selection->time[clicked_selection].start;
2665         nframes64_t end = selection->time[clicked_selection].end;
2666
2667         TrackSelection tracks = get_tracks_for_range_action ();
2668
2669         nframes64_t selection_cnt = end - start + 1;
2670
2671         for (TrackSelection::iterator i = tracks.begin(); i != tracks.end(); ++i) {
2672                 boost::shared_ptr<Region> current;
2673                 boost::shared_ptr<Playlist> pl;
2674                 nframes64_t internal_start;
2675                 string new_name;
2676
2677                 if ((pl = (*i)->playlist()) == 0) {
2678                         continue;
2679                 }
2680
2681                 if ((current = pl->top_region_at (start)) == 0) {
2682                         continue;
2683                 }
2684
2685                 internal_start = start - current->position();
2686                 session->region_name (new_name, current->name(), true);
2687                 boost::shared_ptr<Region> region (RegionFactory::create (current,
2688                                 internal_start, selection_cnt, new_name));
2689         }
2690 }
2691
2692 void
2693 Editor::create_region_from_selection (vector<boost::shared_ptr<Region> >& new_regions)
2694 {
2695         if (selection->time.empty() || selection->tracks.empty()) {
2696                 return;
2697         }
2698
2699         nframes64_t start = selection->time[clicked_selection].start;
2700         nframes64_t end = selection->time[clicked_selection].end;
2701
2702         sort_track_selection ();
2703
2704         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
2705                 boost::shared_ptr<Region> current;
2706                 boost::shared_ptr<Playlist> playlist;
2707                 nframes64_t internal_start;
2708                 string new_name;
2709
2710                 if ((playlist = (*i)->playlist()) == 0) {
2711                         continue;
2712                 }
2713
2714                 if ((current = playlist->top_region_at(start)) == 0) {
2715                         continue;
2716                 }
2717
2718                 internal_start = start - current->position();
2719                 session->region_name (new_name, current->name(), true);
2720
2721                 new_regions.push_back (RegionFactory::create (current,
2722                                         internal_start, end - start + 1, new_name));
2723         }
2724 }
2725
2726 void
2727 Editor::split_multichannel_region ()
2728 {
2729         RegionSelection rs;
2730
2731         get_regions_for_action (rs);
2732
2733         if (rs.empty()) {
2734                 return;
2735         }
2736
2737         vector< boost::shared_ptr<Region> > v;
2738
2739         for (list<RegionView*>::iterator x = rs.begin(); x != rs.end(); ++x) {
2740                 (*x)->region()->separate_by_channel (*session, v);
2741         }
2742 }
2743
2744 void
2745 Editor::new_region_from_selection ()
2746 {
2747         region_from_selection ();
2748         cancel_selection ();
2749 }
2750
2751 static void
2752 add_if_covered (RegionView* rv, const AudioRange* ar, RegionSelection* rs)
2753 {
2754         switch (rv->region()->coverage (ar->start, ar->end - 1)) {
2755         case OverlapNone:
2756                 break;
2757         default:
2758                 rs->push_back (rv);
2759         }
2760 }
2761
2762 /** Return either:
2763  *    - selected tracks, or if there are none...
2764  *    - tracks containing selected regions, or if there are none...
2765  *    - all tracks
2766  * @return tracks.
2767  */
2768 TrackSelection
2769 Editor::get_tracks_for_range_action () const
2770 {
2771         TrackSelection t;
2772
2773         if (selection->tracks.empty()) {
2774
2775                 /* use tracks with selected regions */
2776
2777                 RegionSelection rs = selection->regions;
2778
2779                 for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
2780                         TimeAxisView* tv = &(*i)->get_time_axis_view();
2781
2782                         if (!t.contains (tv)) {
2783                                 t.push_back (tv);
2784                         }
2785                 }
2786
2787                 if (t.empty()) {
2788                         /* no regions and no tracks: use all tracks */
2789                         t = track_views;
2790                 }
2791
2792         } else {
2793
2794                 t = selection->tracks;
2795         }
2796
2797         return t;
2798 }
2799
2800 void
2801 Editor::separate_regions_between (const TimeSelection& ts)
2802 {
2803         bool in_command = false;
2804         boost::shared_ptr<Playlist> playlist;
2805         RegionSelection new_selection;
2806
2807         TrackSelection tmptracks = get_tracks_for_range_action ();
2808         sort_track_selection (&tmptracks);
2809
2810         for (TrackSelection::iterator i = tmptracks.begin(); i != tmptracks.end(); ++i) {
2811
2812                 RouteTimeAxisView* rtv;
2813
2814                 if ((rtv = dynamic_cast<RouteTimeAxisView*> ((*i))) != 0) {
2815
2816                         if (rtv->is_track()) {
2817
2818                                 /* no edits to destructive tracks */
2819
2820                                 if (rtv->track()->diskstream()->destructive()) {
2821                                         continue;
2822                                 }
2823
2824                                 if ((playlist = rtv->playlist()) != 0) {
2825
2826                                         XMLNode *before;
2827                                         bool got_some;
2828
2829                                         before = &(playlist->get_state());
2830                                         got_some = false;
2831
2832                                         /* XXX need to consider musical time selections here at some point */
2833
2834                                         double speed = rtv->get_diskstream()->speed();
2835
2836
2837                                         for (list<AudioRange>::const_iterator t = ts.begin(); t != ts.end(); ++t) {
2838
2839                                                 sigc::connection c = rtv->view()->RegionViewAdded.connect (
2840                                                                 mem_fun(*this, &Editor::collect_new_region_view));
2841                                                 latest_regionviews.clear ();
2842
2843                                                 playlist->partition ((nframes64_t)((*t).start * speed),
2844                                                                 (nframes64_t)((*t).end * speed), true);
2845
2846                                                 c.disconnect ();
2847
2848                                                 if (!latest_regionviews.empty()) {
2849
2850                                                         got_some = true;
2851
2852                                                         rtv->view()->foreach_regionview (bind (
2853                                                                                 sigc::ptr_fun (add_if_covered),
2854                                                                                 &(*t), &new_selection));
2855
2856                                                         if (!in_command) {
2857                                                                 begin_reversible_command (_("separate"));
2858                                                                 in_command = true;
2859                                                         }
2860
2861                                                         session->add_command(new MementoCommand<Playlist>(
2862                                                                         *playlist, before, &playlist->get_state()));
2863                                                 }
2864                                         }
2865
2866                                         if (!got_some) {
2867                                                 delete before;
2868                                         }
2869                                 }
2870                         }
2871                 }
2872         }
2873
2874         if (in_command) {
2875                 selection->set (new_selection);
2876                 set_mouse_mode (MouseObject);
2877
2878                 commit_reversible_command ();
2879         }
2880 }
2881
2882 /** Take tracks from get_tracks_for_range_action and cut any regions
2883  *  on those tracks so that the tracks are empty over the time
2884  *  selection.
2885  */
2886 void
2887 Editor::separate_region_from_selection ()
2888 {
2889         /* preferentially use *all* ranges in the time selection if we're in range mode
2890            to allow discontiguous operation, since get_edit_op_range() currently
2891            returns a single range.
2892         */
2893
2894         if (mouse_mode == MouseRange && !selection->time.empty()) {
2895
2896                 separate_regions_between (selection->time);
2897
2898         } else {
2899
2900                 nframes64_t start;
2901                 nframes64_t end;
2902
2903                 if (get_edit_op_range (start, end)) {
2904
2905                         AudioRange ar (start, end, 1);
2906                         TimeSelection ts;
2907                         ts.push_back (ar);
2908
2909                         separate_regions_between (ts);
2910                 }
2911         }
2912 }
2913
2914 void
2915 Editor::separate_region_from_punch ()
2916 {
2917         Location* loc  = session->locations()->auto_punch_location();
2918         if (loc) {
2919                 separate_regions_using_location (*loc);
2920         }
2921 }
2922
2923 void
2924 Editor::separate_region_from_loop ()
2925 {
2926         Location* loc  = session->locations()->auto_loop_location();
2927         if (loc) {
2928                 separate_regions_using_location (*loc);
2929         }
2930 }
2931
2932 void
2933 Editor::separate_regions_using_location (Location& loc)
2934 {
2935         if (loc.is_mark()) {
2936                 return;
2937         }
2938
2939         AudioRange ar (loc.start(), loc.end(), 1);
2940         TimeSelection ts;
2941
2942         ts.push_back (ar);
2943
2944         separate_regions_between (ts);
2945 }
2946
2947 void
2948 Editor::crop_region_to_selection ()
2949 {
2950         if (!selection->time.empty()) {
2951
2952                 crop_region_to (selection->time.start(), selection->time.end_frame());
2953
2954         } else {
2955
2956                 nframes64_t start;
2957                 nframes64_t end;
2958
2959                 if (get_edit_op_range (start, end)) {
2960                         crop_region_to (start, end);
2961                 }
2962         }
2963
2964 }
2965
2966 void
2967 Editor::crop_region_to (nframes64_t start, nframes64_t end)
2968 {
2969         vector<boost::shared_ptr<Playlist> > playlists;
2970         boost::shared_ptr<Playlist> playlist;
2971         TrackSelection* ts;
2972
2973         if (selection->tracks.empty()) {
2974                 ts = &track_views;
2975         } else {
2976                 sort_track_selection ();
2977                 ts = &selection->tracks;
2978         }
2979
2980         for (TrackSelection::iterator i = ts->begin(); i != ts->end(); ++i) {
2981
2982                 RouteTimeAxisView* rtv;
2983
2984                 if ((rtv = dynamic_cast<RouteTimeAxisView*> ((*i))) != 0) {
2985
2986                         boost::shared_ptr<Track> t = rtv->track();
2987
2988                         if (t != 0 && ! t->diskstream()->destructive()) {
2989
2990                                 if ((playlist = rtv->playlist()) != 0) {
2991                                         playlists.push_back (playlist);
2992                                 }
2993                         }
2994                 }
2995         }
2996
2997         if (playlists.empty()) {
2998                 return;
2999         }
3000
3001         nframes64_t the_start;
3002         nframes64_t the_end;
3003         nframes64_t cnt;
3004
3005         begin_reversible_command (_("trim to selection"));
3006
3007         for (vector<boost::shared_ptr<Playlist> >::iterator i = playlists.begin(); i != playlists.end(); ++i) {
3008
3009                 boost::shared_ptr<Region> region;
3010
3011                 the_start = start;
3012
3013                 if ((region = (*i)->top_region_at(the_start)) == 0) {
3014                         continue;
3015                 }
3016
3017                 /* now adjust lengths to that we do the right thing
3018                    if the selection extends beyond the region
3019                 */
3020
3021                 the_start = max (the_start, (nframes64_t) region->position());
3022                 if (max_frames - the_start < region->length()) {
3023                         the_end = the_start + region->length() - 1;
3024                 } else {
3025                         the_end = max_frames;
3026                 }
3027                 the_end = min (end, the_end);
3028                 cnt = the_end - the_start + 1;
3029
3030                 XMLNode &before = (*i)->get_state();
3031                 region->trim_to (the_start, cnt, this);
3032                 XMLNode &after = (*i)->get_state();
3033                 session->add_command (new MementoCommand<Playlist>(*(*i), &before, &after));
3034         }
3035
3036         commit_reversible_command ();
3037 }
3038
3039 void
3040 Editor::region_fill_track ()
3041 {
3042         nframes64_t end;
3043         RegionSelection rs;
3044
3045         get_regions_for_action (rs);
3046
3047         if (!session || rs.empty()) {
3048                 return;
3049         }
3050
3051         end = session->current_end_frame ();
3052
3053         begin_reversible_command (_("region fill"));
3054
3055         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
3056
3057                 boost::shared_ptr<Region> region ((*i)->region());
3058
3059                 boost::shared_ptr<Playlist> pl = region->playlist();
3060
3061                 if (end <= region->last_frame()) {
3062                         return;
3063                 }
3064
3065                 double times = (double) (end - region->last_frame()) / (double) region->length();
3066
3067                 if (times == 0) {
3068                         return;
3069                 }
3070
3071                 XMLNode &before = pl->get_state();
3072                 pl->add_region (RegionFactory::create (region), region->last_frame(), times);
3073                 session->add_command (new MementoCommand<Playlist>(*pl, &before, &pl->get_state()));
3074         }
3075
3076         commit_reversible_command ();
3077 }
3078
3079 void
3080 Editor::region_fill_selection ()
3081 {
3082         if (clicked_routeview == 0 || !clicked_routeview->is_audio_track()) {
3083                 return;
3084         }
3085
3086         if (selection->time.empty()) {
3087                 return;
3088         }
3089
3090         boost::shared_ptr<Region> region = _regions->get_single_selection ();
3091         if (region == 0) {
3092                 return;
3093         }
3094
3095         nframes64_t start = selection->time[clicked_selection].start;
3096         nframes64_t end = selection->time[clicked_selection].end;
3097
3098         boost::shared_ptr<Playlist> playlist;
3099
3100         if (selection->tracks.empty()) {
3101                 return;
3102         }
3103
3104         nframes64_t selection_length = end - start;
3105         float times = (float)selection_length / region->length();
3106
3107         begin_reversible_command (_("fill selection"));
3108
3109         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3110
3111                 if ((playlist = (*i)->playlist()) == 0) {
3112                         continue;
3113                 }
3114
3115                 XMLNode &before = playlist->get_state();
3116                 playlist->add_region (RegionFactory::create (region), start, times);
3117                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
3118         }
3119
3120         commit_reversible_command ();
3121 }
3122
3123 void
3124 Editor::set_region_sync_from_edit_point ()
3125 {
3126         nframes64_t where = get_preferred_edit_position ();
3127         RegionSelection rs;
3128         get_regions_for_action (rs);
3129         set_sync_point (where, rs);
3130 }
3131
3132 void
3133 Editor::set_sync_point (nframes64_t where, const RegionSelection& rs)
3134 {
3135         bool in_command = false;
3136
3137         for (RegionSelection::const_iterator r = rs.begin(); r != rs.end(); ++r) {
3138
3139                 if (!(*r)->region()->covers (where)) {
3140                         continue;
3141                 }
3142
3143                 boost::shared_ptr<Region> region ((*r)->region());
3144
3145                 if (!in_command) {
3146                         begin_reversible_command (_("set sync point"));
3147                         in_command = true;
3148                 }
3149
3150                 XMLNode &before = region->playlist()->get_state();
3151                 region->set_sync_position (where);
3152                 XMLNode &after = region->playlist()->get_state();
3153                 session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
3154         }
3155
3156         if (in_command) {
3157                 commit_reversible_command ();
3158         }
3159 }
3160
3161 /** Remove the sync positions of the selection */
3162 void
3163 Editor::remove_region_sync ()
3164 {
3165         RegionSelection rs;
3166
3167         get_regions_for_action (rs);
3168
3169         if (rs.empty()) {
3170                 return;
3171         }
3172
3173         begin_reversible_command (_("remove sync"));
3174         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
3175
3176                 XMLNode &before = (*i)->region()->playlist()->get_state();
3177                 (*i)->region()->clear_sync_position ();
3178                 XMLNode &after = (*i)->region()->playlist()->get_state();
3179                 session->add_command(new MementoCommand<Playlist>(*((*i)->region()->playlist()), &before, &after));
3180         }
3181         commit_reversible_command ();
3182 }
3183
3184 void
3185 Editor::naturalize ()
3186 {
3187         RegionSelection rs;
3188
3189         get_regions_for_action (rs);
3190
3191         if (rs.empty()) {
3192                 return;
3193         }
3194
3195         begin_reversible_command (_("naturalize"));
3196         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
3197                 XMLNode &before = (*i)->region()->get_state();
3198                 (*i)->region()->move_to_natural_position (this);
3199                 XMLNode &after = (*i)->region()->get_state();
3200                 session->add_command (new MementoCommand<Region>(*((*i)->region().get()), &before, &after));
3201         }
3202         commit_reversible_command ();
3203 }
3204
3205 void
3206 Editor::align (RegionPoint what)
3207 {
3208         RegionSelection rs;
3209
3210         get_regions_for_action (rs);
3211         nframes64_t where = get_preferred_edit_position();
3212
3213         if (!rs.empty()) {
3214                 align_selection (what, where, rs);
3215         } else {
3216
3217                 RegionSelection rs;
3218                 get_regions_at (rs, where, selection->tracks);
3219                 align_selection (what, where, rs);
3220         }
3221 }
3222
3223 void
3224 Editor::align_relative (RegionPoint what)
3225 {
3226         nframes64_t where = get_preferred_edit_position();
3227         RegionSelection rs;
3228
3229         get_regions_for_action (rs);
3230
3231         if (!rs.empty()) {
3232                 align_selection_relative (what, where, rs);
3233         }
3234 }
3235
3236 struct RegionSortByTime {
3237     bool operator() (const RegionView* a, const RegionView* b) {
3238             return a->region()->position() < b->region()->position();
3239     }
3240 };
3241
3242 void
3243 Editor::align_selection_relative (RegionPoint point, nframes64_t position, const RegionSelection& rs)
3244 {
3245         if (rs.empty()) {
3246                 return;
3247         }
3248
3249         nframes64_t distance = 0;
3250         nframes64_t pos = 0;
3251         int dir = 1;
3252
3253         list<RegionView*> sorted;
3254         rs.by_position (sorted);
3255
3256         boost::shared_ptr<Region> r ((*sorted.begin())->region());
3257
3258         switch (point) {
3259         case Start:
3260                 pos = position;
3261                 if (position > r->position()) {
3262                         distance = position - r->position();
3263                 } else {
3264                         distance = r->position() - position;
3265                         dir = -1;
3266                 }
3267                 break;
3268
3269         case End:
3270                 if (position > r->last_frame()) {
3271                         distance = position - r->last_frame();
3272                         pos = r->position() + distance;
3273                 } else {
3274                         distance = r->last_frame() - position;
3275                         pos = r->position() - distance;
3276                         dir = -1;
3277                 }
3278                 break;
3279
3280         case SyncPoint:
3281                 pos = r->adjust_to_sync (position);
3282                 if (pos > r->position()) {
3283                         distance = pos - r->position();
3284                 } else {
3285                         distance = r->position() - pos;
3286                         dir = -1;
3287                 }
3288                 break;
3289         }
3290
3291         if (pos == r->position()) {
3292                 return;
3293         }
3294
3295         begin_reversible_command (_("align selection (relative)"));
3296
3297         /* move first one specially */
3298
3299         XMLNode &before = r->playlist()->get_state();
3300         r->set_position (pos, this);
3301         XMLNode &after = r->playlist()->get_state();
3302         session->add_command(new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
3303
3304         /* move rest by the same amount */
3305
3306         sorted.pop_front();
3307
3308         for (list<RegionView*>::iterator i = sorted.begin(); i != sorted.end(); ++i) {
3309
3310                 boost::shared_ptr<Region> region ((*i)->region());
3311
3312                 XMLNode &before = region->playlist()->get_state();
3313
3314                 if (dir > 0) {
3315                         region->set_position (region->position() + distance, this);
3316                 } else {
3317                         region->set_position (region->position() - distance, this);
3318                 }
3319
3320                 XMLNode &after = region->playlist()->get_state();
3321                 session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
3322
3323         }
3324
3325         commit_reversible_command ();
3326 }
3327
3328 void
3329 Editor::align_selection (RegionPoint point, nframes64_t position, const RegionSelection& rs)
3330 {
3331         if (rs.empty()) {
3332                 return;
3333         }
3334
3335         begin_reversible_command (_("align selection"));
3336
3337         for (RegionSelection::const_iterator i = rs.begin(); i != rs.end(); ++i) {
3338                 align_region_internal ((*i)->region(), point, position);
3339         }
3340
3341         commit_reversible_command ();
3342 }
3343
3344 void
3345 Editor::align_region (boost::shared_ptr<Region> region, RegionPoint point, nframes64_t position)
3346 {
3347         begin_reversible_command (_("align region"));
3348         align_region_internal (region, point, position);
3349         commit_reversible_command ();
3350 }
3351
3352 void
3353 Editor::align_region_internal (boost::shared_ptr<Region> region, RegionPoint point, nframes64_t position)
3354 {
3355         XMLNode &before = region->playlist()->get_state();
3356
3357         switch (point) {
3358         case SyncPoint:
3359                 region->set_position (region->adjust_to_sync (position), this);
3360                 break;
3361
3362         case End:
3363                 if (position > region->length()) {
3364                         region->set_position (position - region->length(), this);
3365                 }
3366                 break;
3367
3368         case Start:
3369                 region->set_position (position, this);
3370                 break;
3371         }
3372
3373         XMLNode &after = region->playlist()->get_state();
3374         session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
3375 }
3376
3377 void
3378 Editor::trim_region_front ()
3379 {
3380         trim_region (true);
3381 }
3382
3383 void
3384 Editor::trim_region_back ()
3385 {
3386         trim_region (false);
3387 }
3388
3389 void
3390 Editor::trim_region (bool front)
3391 {
3392         nframes64_t where = get_preferred_edit_position();
3393         RegionSelection rs;
3394
3395         get_regions_for_action (rs);
3396
3397         if (rs.empty()) {
3398                 return;
3399         }
3400
3401         begin_reversible_command (front ? _("trim front") : _("trim back"));
3402
3403         for (list<RegionView*>::const_iterator i = rs.by_layer().begin(); i != rs.by_layer().end(); ++i) {
3404                 if (!(*i)->region()->locked()) {
3405                         boost::shared_ptr<Playlist> pl = (*i)->region()->playlist();
3406                         XMLNode &before = pl->get_state();
3407                         if (front) {
3408                                 (*i)->region()->trim_front (where, this);
3409                         } else {
3410                                 (*i)->region()->trim_end (where, this);
3411                         }
3412                         XMLNode &after = pl->get_state();
3413                         session->add_command(new MementoCommand<Playlist>(*pl.get(), &before, &after));
3414                 }
3415         }
3416
3417         commit_reversible_command ();
3418 }
3419
3420 /** Trim the end of the selected regions to the position of the edit cursor */
3421 void
3422 Editor::trim_region_to_loop ()
3423 {
3424         Location* loc = session->locations()->auto_loop_location();
3425         if (!loc) {
3426                 return;
3427         }
3428         trim_region_to_location (*loc, _("trim to loop"));
3429 }
3430
3431 void
3432 Editor::trim_region_to_punch ()
3433 {
3434         Location* loc = session->locations()->auto_punch_location();
3435         if (!loc) {
3436                 return;
3437         }
3438         trim_region_to_location (*loc, _("trim to punch"));
3439 }
3440 void
3441 Editor::trim_region_to_location (const Location& loc, const char* str)
3442 {
3443         RegionSelection rs;
3444
3445         get_regions_for_action (rs);
3446
3447         begin_reversible_command (str);
3448
3449         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3450                 RegionView* rv = (*x);
3451
3452                 /* require region to span proposed trim */
3453                 switch (rv->region()->coverage (loc.start(), loc.end())) {
3454                 case OverlapInternal:
3455                         break;
3456                 default:
3457                         continue;
3458                 }
3459
3460                 RouteTimeAxisView* tav = dynamic_cast<RouteTimeAxisView*> (&rv->get_time_axis_view());
3461                 if (!tav) {
3462                         return;
3463                 }
3464
3465                 float speed = 1.0;
3466                 nframes64_t start;
3467                 nframes64_t end;
3468
3469                 if (tav->get_diskstream() != 0) {
3470                         speed = tav->get_diskstream()->speed();
3471                 }
3472
3473                 start = session_frame_to_track_frame (loc.start(), speed);
3474                 end = session_frame_to_track_frame (loc.end(), speed);
3475
3476                 XMLNode &before = rv->region()->playlist()->get_state();
3477                 rv->region()->trim_to (start, (end - start), this);
3478                 XMLNode &after = rv->region()->playlist()->get_state();
3479                 session->add_command(new MementoCommand<Playlist>(
3480                                 *(rv->region()->playlist()), &before, &after));
3481         }
3482
3483         commit_reversible_command ();
3484 }
3485
3486 void
3487 Editor::trim_region_to_edit_point ()
3488 {
3489         RegionSelection rs;
3490
3491         get_regions_for_action (rs);
3492
3493         nframes64_t where = get_preferred_edit_position();
3494
3495         begin_reversible_command (_("trim region start to edit point"));
3496
3497         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3498                 RegionView* rv = (*x);
3499
3500                 /* require region to cover trim */
3501                 if (!rv->region()->covers (where)) {
3502                         continue;
3503                 }
3504
3505                 RouteTimeAxisView* tav = dynamic_cast<RouteTimeAxisView*> (&rv->get_time_axis_view());
3506                 if (!tav) {
3507                         return;
3508                 }
3509
3510                 float speed = 1.0;
3511
3512                 if (tav->get_diskstream() != 0) {
3513                         speed = tav->get_diskstream()->speed();
3514                 }
3515
3516                 XMLNode &before = rv->region()->playlist()->get_state();
3517                 rv->region()->trim_end( session_frame_to_track_frame(where, speed), this);
3518                 XMLNode &after = rv->region()->playlist()->get_state();
3519                 session->add_command(new MementoCommand<Playlist>(
3520                                 *(rv->region()->playlist()), &before, &after));
3521         }
3522
3523         commit_reversible_command ();
3524 }
3525
3526 void
3527 Editor::trim_region_from_edit_point ()
3528 {
3529         RegionSelection rs;
3530
3531         get_regions_for_action (rs);
3532
3533         nframes64_t where = get_preferred_edit_position();
3534
3535         begin_reversible_command (_("trim region end to edit point"));
3536
3537         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3538                 RegionView* rv = (*x);
3539
3540                 /* require region to cover trim */
3541                 if (!rv->region()->covers (where)) {
3542                         continue;
3543                 }
3544
3545                 RouteTimeAxisView* tav = dynamic_cast<RouteTimeAxisView*> (&rv->get_time_axis_view());
3546                 if (!tav) {
3547                         return;
3548                 }
3549
3550                 float speed = 1.0;
3551
3552                 if (tav->get_diskstream() != 0) {
3553                         speed = tav->get_diskstream()->speed();
3554                 }
3555
3556                 XMLNode &before = rv->region()->playlist()->get_state();
3557                 rv->region()->trim_front ( session_frame_to_track_frame(where, speed), this);
3558                 XMLNode &after = rv->region()->playlist()->get_state();
3559                 session->add_command(new MementoCommand<Playlist>(
3560                                 *(rv->region()->playlist()), &before, &after));
3561         }
3562
3563         commit_reversible_command ();
3564 }
3565
3566 void
3567 Editor::trim_region_to_previous_region_end ()
3568 {
3569         return trim_to_region(false);
3570 }
3571
3572 void
3573 Editor::trim_region_to_next_region_start ()
3574 {
3575         return trim_to_region(true);
3576 }
3577
3578 void
3579 Editor::trim_to_region(bool forward)
3580 {
3581         RegionSelection rs;
3582
3583         get_regions_for_action (rs);
3584
3585         begin_reversible_command (_("trim to region"));
3586
3587         boost::shared_ptr<Region> next_region;
3588
3589         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3590
3591                 AudioRegionView* arv = dynamic_cast<AudioRegionView*> (*x);
3592
3593                 if (!arv) {
3594                         continue;
3595                 }
3596
3597                 AudioTimeAxisView* atav = dynamic_cast<AudioTimeAxisView*> (&arv->get_time_axis_view());
3598
3599                 if (!atav) {
3600                         return;
3601                 }
3602
3603                 float speed = 1.0;
3604
3605                 if (atav->get_diskstream() != 0) {
3606                         speed = atav->get_diskstream()->speed();
3607                 }
3608
3609
3610                 boost::shared_ptr<Region> region = arv->region();
3611                 boost::shared_ptr<Playlist> playlist (region->playlist());
3612
3613                 XMLNode &before = playlist->get_state();
3614
3615                 if(forward){
3616
3617                     next_region = playlist->find_next_region (region->first_frame(), Start, 1);
3618
3619                     if(!next_region){
3620                         continue;
3621                     }
3622
3623                     region->trim_end((nframes64_t) (next_region->first_frame() * speed), this);
3624                     arv->region_changed (Change (LengthChanged));
3625                 }
3626                 else {
3627
3628                     next_region = playlist->find_next_region (region->first_frame(), Start, 0);
3629
3630                     if(!next_region){
3631                         continue;
3632                     }
3633
3634                     region->trim_front((nframes64_t) ((next_region->last_frame() + 1) * speed), this);
3635                     arv->region_changed (Change (LengthChanged|PositionChanged|StartChanged));
3636                 }
3637
3638                 XMLNode &after = playlist->get_state();
3639                 session->add_command(new MementoCommand<Playlist>(*playlist, &before, &after));
3640         }
3641
3642         commit_reversible_command ();
3643 }
3644
3645 void
3646 Editor::unfreeze_route ()
3647 {
3648         if (clicked_routeview == 0 || !clicked_routeview->is_track()) {
3649                 return;
3650         }
3651
3652         clicked_routeview->track()->unfreeze ();
3653 }
3654
3655 void*
3656 Editor::_freeze_thread (void* arg)
3657 {
3658         PBD::notify_gui_about_thread_creation (pthread_self(), X_("Freeze"));
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::paste_named_selection (float times)
4349 {
4350         TrackSelection::iterator t;
4351
4352         Glib::RefPtr<TreeSelection> selected = named_selection_display.get_selection();
4353
4354         if (selected->count_selected_rows() != 1 || selection->tracks.empty()) {
4355                 return;
4356         }
4357
4358         TreeModel::iterator i = selected->get_selected();
4359         NamedSelection* ns = (*i)[named_selection_columns.selection];
4360
4361         list<boost::shared_ptr<Playlist> >::iterator chunk;
4362         list<boost::shared_ptr<Playlist> >::iterator tmp;
4363
4364         chunk = ns->playlists.begin();
4365
4366         begin_reversible_command (_("paste chunk"));
4367
4368         sort_track_selection ();
4369
4370         for (t = selection->tracks.begin(); t != selection->tracks.end(); ++t) {
4371
4372                 RouteTimeAxisView* rtv;
4373                 boost::shared_ptr<Playlist> pl;
4374                 boost::shared_ptr<AudioPlaylist> apl;
4375
4376                 if ((rtv = dynamic_cast<RouteTimeAxisView*> (*t)) == 0) {
4377                         continue;
4378                 }
4379
4380                 if ((pl = rtv->playlist()) == 0) {
4381                         continue;
4382                 }
4383
4384                 if ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) == 0) {
4385                         continue;
4386                 }
4387
4388                 tmp = chunk;
4389                 ++tmp;
4390
4391                 XMLNode &before = apl->get_state();
4392                 apl->paste (*chunk, get_preferred_edit_position(), times);
4393                 session->add_command(new MementoCommand<AudioPlaylist>(*apl, &before, &apl->get_state()));
4394
4395                 if (tmp != ns->playlists.end()) {
4396                         chunk = tmp;
4397                 }
4398         }
4399
4400         commit_reversible_command();
4401 }
4402
4403 void
4404 Editor::duplicate_some_regions (RegionSelection& regions, float times)
4405 {
4406         boost::shared_ptr<Playlist> playlist;
4407         RegionSelection sel = regions; // clear (below) may  clear the argument list if its the current region selection
4408         RegionSelection foo;
4409
4410         begin_reversible_command (_("duplicate region"));
4411
4412         selection->clear_regions ();
4413
4414         for (RegionSelection::iterator i = sel.begin(); i != sel.end(); ++i) {
4415
4416                 boost::shared_ptr<Region> r ((*i)->region());
4417
4418                 TimeAxisView& tv = (*i)->get_time_axis_view();
4419                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (&tv);
4420                 latest_regionviews.clear ();
4421                 sigc::connection c = rtv->view()->RegionViewAdded.connect (mem_fun(*this, &Editor::collect_new_region_view));
4422
4423                 playlist = (*i)->region()->playlist();
4424                 XMLNode &before = playlist->get_state();
4425                 playlist->duplicate (r, r->last_frame(), times);
4426                 session->add_command(new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
4427
4428                 c.disconnect ();
4429
4430                 foo.insert (foo.end(), latest_regionviews.begin(), latest_regionviews.end());
4431         }
4432
4433         commit_reversible_command ();
4434
4435         if (!foo.empty()) {
4436                 selection->set (foo);
4437         }
4438 }
4439
4440 void
4441 Editor::duplicate_selection (float times)
4442 {
4443         if (selection->time.empty() || selection->tracks.empty()) {
4444                 return;
4445         }
4446
4447         boost::shared_ptr<Playlist> playlist;
4448         vector<boost::shared_ptr<Region> > new_regions;
4449         vector<boost::shared_ptr<Region> >::iterator ri;
4450
4451         create_region_from_selection (new_regions);
4452
4453         if (new_regions.empty()) {
4454                 return;
4455         }
4456
4457         begin_reversible_command (_("duplicate selection"));
4458
4459         ri = new_regions.begin();
4460
4461         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4462                 if ((playlist = (*i)->playlist()) == 0) {
4463                         continue;
4464                 }
4465                 XMLNode &before = playlist->get_state();
4466                 playlist->duplicate (*ri, selection->time[clicked_selection].end, times);
4467                 XMLNode &after = playlist->get_state();
4468                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &after));
4469
4470                 ++ri;
4471                 if (ri == new_regions.end()) {
4472                         --ri;
4473                 }
4474         }
4475
4476         commit_reversible_command ();
4477 }
4478
4479 void
4480 Editor::reset_point_selection ()
4481 {
4482         /* reset all selected points to the relevant default value */
4483
4484         for (PointSelection::iterator i = selection->points.begin(); i != selection->points.end(); ++i) {
4485
4486                 AutomationTimeAxisView* atv = dynamic_cast<AutomationTimeAxisView*>(&(*i).track);
4487
4488                 if (atv) {
4489                         atv->reset_objects (selection->points);
4490                 }
4491         }
4492 }
4493
4494 void
4495 Editor::center_playhead ()
4496 {
4497         float page = _canvas_width * frames_per_unit;
4498         center_screen_internal (playhead_cursor->current_frame, page);
4499 }
4500
4501 void
4502 Editor::center_edit_point ()
4503 {
4504         float page = _canvas_width * frames_per_unit;
4505         center_screen_internal (get_preferred_edit_position(), page);
4506 }
4507
4508 void
4509 Editor::clear_playlist (boost::shared_ptr<Playlist> playlist)
4510 {
4511         begin_reversible_command (_("clear playlist"));
4512         XMLNode &before = playlist->get_state();
4513         playlist->clear ();
4514         XMLNode &after = playlist->get_state();
4515         session->add_command (new MementoCommand<Playlist>(*playlist.get(), &before, &after));
4516         commit_reversible_command ();
4517 }
4518
4519 void
4520 Editor::nudge_track (bool use_edit, bool forwards)
4521 {
4522         boost::shared_ptr<Playlist> playlist;
4523         nframes64_t distance;
4524         nframes64_t next_distance;
4525         nframes64_t start;
4526
4527         if (use_edit) {
4528                 start = get_preferred_edit_position();
4529         } else {
4530                 start = 0;
4531         }
4532
4533         if ((distance = get_nudge_distance (start, next_distance)) == 0) {
4534                 return;
4535         }
4536
4537         if (selection->tracks.empty()) {
4538                 return;
4539         }
4540
4541         begin_reversible_command (_("nudge track"));
4542
4543         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4544
4545                 if ((playlist = (*i)->playlist()) == 0) {
4546                         continue;
4547                 }
4548
4549                 XMLNode &before = playlist->get_state();
4550                 playlist->nudge_after (start, distance, forwards);
4551                 XMLNode &after = playlist->get_state();
4552                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &after));
4553         }
4554
4555         commit_reversible_command ();
4556 }
4557
4558 void
4559 Editor::remove_last_capture ()
4560 {
4561         vector<string> choices;
4562         string prompt;
4563
4564         if (!session) {
4565                 return;
4566         }
4567
4568         if (Config->get_verify_remove_last_capture()) {
4569                 prompt  = _("Do you really want to destroy the last capture?"
4570                             "\n(This is destructive and cannot be undone)");
4571
4572                 choices.push_back (_("No, do nothing."));
4573                 choices.push_back (_("Yes, destroy it."));
4574
4575                 Gtkmm2ext::Choice prompter (prompt, choices);
4576
4577                 if (prompter.run () == 1) {
4578                         session->remove_last_capture ();
4579                 }
4580
4581         } else {
4582                 session->remove_last_capture();
4583         }
4584 }
4585
4586 void
4587 Editor::normalize_region ()
4588 {
4589         if (!session) {
4590                 return;
4591         }
4592
4593         RegionSelection rs;
4594         get_regions_for_action (rs);
4595
4596         if (rs.empty()) {
4597                 return;
4598         }
4599
4600         Dialog dialog (rs.size() > 1 ? _("Normalize regions") : _("Normalize region"));
4601         HBox hbox;
4602         hbox.pack_start (*manage (new Label (_("Normalize to:"))));
4603         SpinButton spin (0.2, 2);
4604         spin.set_range (-112, 0);
4605         spin.set_increments (0.1, 1);
4606         spin.set_value (0);
4607         hbox.pack_start (spin);
4608         spin.set_value (_last_normalization_value);
4609         hbox.pack_start (*manage (new Label (_("dbFS"))));
4610         hbox.show_all ();
4611         dialog.get_vbox()->pack_start (hbox);
4612         dialog.add_button (Stock::CANCEL, RESPONSE_CANCEL);
4613         dialog.add_button (_("Normalize"), RESPONSE_ACCEPT);
4614
4615         if (dialog.run () == RESPONSE_CANCEL) {
4616                 return;
4617         }
4618
4619         begin_reversible_command (_("normalize"));
4620
4621         track_canvas->get_window()->set_cursor (*wait_cursor);
4622         gdk_flush ();
4623
4624         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
4625                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4626                 if (!arv)
4627                         continue;
4628                 XMLNode &before = arv->region()->get_state();
4629                 arv->audio_region()->normalize_to (spin.get_value());
4630                 session->add_command (new MementoCommand<Region>(*(arv->region().get()), &before, &arv->region()->get_state()));
4631         }
4632
4633         commit_reversible_command ();
4634         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
4635
4636         _last_normalization_value = spin.get_value ();
4637 }
4638
4639
4640 void
4641 Editor::reset_region_scale_amplitude ()
4642 {
4643         if (!session) {
4644                 return;
4645         }
4646
4647         RegionSelection rs;
4648
4649         get_regions_for_action (rs);
4650
4651         if (rs.empty()) {
4652                 return;
4653         }
4654
4655         begin_reversible_command ("reset gain");
4656
4657         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
4658                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4659                 if (!arv)
4660                         continue;
4661                 XMLNode &before = arv->region()->get_state();
4662                 arv->audio_region()->set_scale_amplitude (1.0f);
4663                 session->add_command (new MementoCommand<Region>(*(arv->region().get()), &before, &arv->region()->get_state()));
4664         }
4665
4666         commit_reversible_command ();
4667 }
4668
4669 void
4670 Editor::adjust_region_scale_amplitude (bool up)
4671 {
4672         if (!session) {
4673                 return;
4674         }
4675
4676         RegionSelection rs;
4677
4678         get_regions_for_action (rs);
4679
4680         if (rs.empty()) {
4681                 return;
4682         }
4683
4684         begin_reversible_command ("denormalize");
4685
4686         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
4687                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4688                 if (!arv)
4689                         continue;
4690                 XMLNode &before = arv->region()->get_state();
4691
4692                 double fraction = gain_to_slider_position (arv->audio_region()->scale_amplitude ());
4693
4694                 if (up) {
4695                         fraction += 0.05;
4696                         fraction = min (fraction, 1.0);
4697                 } else {
4698                         fraction -= 0.05;
4699                         fraction = max (fraction, 0.0);
4700                 }
4701
4702                 if (!up && fraction <= 0) {
4703                         continue;
4704                 }
4705
4706                 fraction = slider_position_to_gain (fraction);
4707
4708                 if (up && fraction >= 2.0) {
4709                         continue;
4710                 }
4711
4712                 arv->audio_region()->set_scale_amplitude (fraction);
4713                 session->add_command (new MementoCommand<Region>(*(arv->region().get()), &before, &arv->region()->get_state()));
4714         }
4715
4716         commit_reversible_command ();
4717 }
4718
4719
4720 void
4721 Editor::reverse_region ()
4722 {
4723         if (!session) {
4724                 return;
4725         }
4726
4727         Reverse rev (*session);
4728         apply_filter (rev, _("reverse regions"));
4729 }
4730
4731 void
4732 Editor::strip_region_silence ()
4733 {
4734         if (!session) {
4735                 return;
4736         }
4737
4738         RegionSelection rs;
4739         get_regions_for_action (rs);
4740
4741         if (rs.empty()) {
4742                 return;
4743         }
4744
4745         std::list<boost::shared_ptr<AudioRegion> > ar;
4746
4747         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4748                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*> (*i);
4749                 if (arv) {
4750                         ar.push_back (arv->audio_region ());
4751                 }
4752         }
4753
4754         StripSilenceDialog d (ar);
4755         int const r = d.run ();
4756
4757         if (r == Gtk::RESPONSE_OK) {
4758                 StripSilence s (*session, d.threshold (), d.minimum_length (), d.fade_length ());
4759                 apply_filter (s, _("strip silence"));
4760         }
4761 }
4762
4763 Command*
4764 Editor::apply_midi_note_edit_op_to_region (MidiOperator& op, MidiRegionView& mrv)
4765 {
4766         Evoral::Sequence<Evoral::MusicalTime>::Notes selected;
4767         mrv.selection_as_notelist (selected);
4768
4769         vector<Evoral::Sequence<Evoral::MusicalTime>::Notes> v;
4770         v.push_back (selected);
4771
4772         return op (mrv.midi_region()->model(), v);
4773 }
4774
4775 void
4776 Editor::apply_midi_note_edit_op (MidiOperator& op)
4777 {
4778         RegionSelection rs;
4779         Command* cmd;
4780
4781         get_regions_for_action (rs);
4782
4783         if (rs.empty()) {
4784                 return;
4785         }
4786
4787         begin_reversible_command (op.name ());
4788
4789         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ) {
4790                 RegionSelection::iterator tmp = r;
4791                 ++tmp;
4792
4793                 MidiRegionView* const mrv = dynamic_cast<MidiRegionView*> (*r);
4794
4795                 if (mrv) {
4796                         cmd = apply_midi_note_edit_op_to_region (op, *mrv);
4797                         if (cmd) {
4798                                 (*cmd)();
4799                                 session->add_command (cmd);
4800                         }
4801                 }
4802
4803                 r = tmp;
4804         }
4805
4806         commit_reversible_command ();
4807         rs.clear ();
4808 }
4809
4810 void
4811 Editor::quantize_region ()
4812 {
4813         if (!session) {
4814                 return;
4815         }
4816
4817         QuantizeDialog* qd = new QuantizeDialog (*this);
4818
4819         qd->present ();
4820         const int r = qd->run ();
4821         qd->hide ();
4822
4823         if (r == Gtk::RESPONSE_OK) {
4824                 Quantize quant (*session, Plain,
4825                                 qd->snap_start(), qd->snap_end(),
4826                                 qd->start_grid_size(), qd->end_grid_size(),
4827                                 qd->strength(), qd->swing(), qd->threshold());
4828
4829                 apply_midi_note_edit_op (quant);
4830         }
4831 }
4832
4833 void
4834 Editor::apply_filter (Filter& filter, string command)
4835 {
4836         RegionSelection rs;
4837
4838         get_regions_for_action (rs);
4839
4840         if (rs.empty()) {
4841                 return;
4842         }
4843
4844         begin_reversible_command (command);
4845
4846         track_canvas->get_window()->set_cursor (*wait_cursor);
4847         gdk_flush ();
4848
4849         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ) {
4850                 RegionSelection::iterator tmp = r;
4851                 ++tmp;
4852
4853                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4854                 if (arv) {
4855                         boost::shared_ptr<Playlist> playlist = arv->region()->playlist();
4856
4857                         if (arv->audio_region()->apply (filter) == 0) {
4858
4859                                 XMLNode &before = playlist->get_state();
4860
4861                                 if (filter.results.empty ()) {
4862
4863                                         /* no regions returned; remove the old one */
4864                                         playlist->remove_region (arv->region ());
4865
4866                                 } else {
4867
4868                                         std::vector<boost::shared_ptr<Region> >::iterator res = filter.results.begin ();
4869
4870                                         /* first region replaces the old one */
4871                                         playlist->replace_region (arv->region(), *res, (*res)->position());
4872                                         ++res;
4873
4874                                         /* add the rest */
4875                                         while (res != filter.results.end()) {
4876                                                 playlist->add_region (*res, (*res)->position());
4877                                                 ++res;
4878                                         }
4879
4880                                 }
4881
4882                                 XMLNode &after = playlist->get_state();
4883                                 session->add_command(new MementoCommand<Playlist>(*playlist, &before, &after));
4884                         } else {
4885                                 goto out;
4886                         }
4887                 }
4888
4889                 r = tmp;
4890         }
4891
4892         commit_reversible_command ();
4893         rs.clear ();
4894
4895   out:
4896         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
4897 }
4898
4899 void
4900 Editor::region_selection_op (void (Region::*pmf)(void))
4901 {
4902         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4903                 Region* region = (*i)->region().get();
4904                 (region->*pmf)();
4905         }
4906 }
4907
4908
4909 void
4910 Editor::region_selection_op (void (Region::*pmf)(void*), void *arg)
4911 {
4912         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4913                 Region* region = (*i)->region().get();
4914                 (region->*pmf)(arg);
4915         }
4916 }
4917
4918 void
4919 Editor::region_selection_op (void (Region::*pmf)(bool), bool yn)
4920 {
4921         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4922                 Region* region = (*i)->region().get();
4923                 (region->*pmf)(yn);
4924         }
4925 }
4926
4927 void
4928 Editor::external_edit_region ()
4929 {
4930         /* more to come */
4931 }
4932
4933 void
4934 Editor::brush (nframes64_t pos)
4935 {
4936         RegionSelection sel;
4937         RegionSelection rs;
4938
4939         get_regions_for_action (rs);
4940
4941         snap_to (pos);
4942
4943         if (rs.empty()) {
4944                 return;
4945         }
4946
4947         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4948                 mouse_brush_insert_region ((*i), pos);
4949         }
4950 }
4951
4952 void
4953 Editor::reset_region_gain_envelopes ()
4954 {
4955         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
4956
4957         if (!session || rs.empty()) {
4958                 return;
4959         }
4960
4961         session->begin_reversible_command (_("reset region gain"));
4962
4963         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4964                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4965                 if (arv) {
4966                         boost::shared_ptr<AutomationList> alist (arv->audio_region()->envelope());
4967                         XMLNode& before (alist->get_state());
4968
4969                         arv->audio_region()->set_default_envelope ();
4970                         session->add_command (new MementoCommand<AutomationList>(*arv->audio_region()->envelope().get(), &before, &alist->get_state()));
4971                 }
4972         }
4973
4974         session->commit_reversible_command ();
4975 }
4976
4977 void
4978 Editor::toggle_gain_envelope_visibility ()
4979 {
4980         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
4981
4982         if (!session || rs.empty()) {
4983                 return;
4984         }
4985
4986         session->begin_reversible_command (_("region gain envelope visible"));
4987
4988         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4989                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4990                 if (arv) {
4991                         XMLNode &before = arv->region()->get_state ();
4992                         arv->set_envelope_visible (!arv->envelope_visible());
4993                         XMLNode &after = arv->region()->get_state ();
4994                         session->add_command (new MementoCommand<Region> (*(arv->region().get()), &before, &after));
4995                 }
4996         }
4997
4998         session->commit_reversible_command ();
4999 }
5000
5001 void
5002 Editor::toggle_gain_envelope_active ()
5003 {
5004         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
5005
5006         if (!session || rs.empty()) {
5007                 return;
5008         }
5009
5010         session->begin_reversible_command (_("region gain envelope active"));
5011
5012         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5013                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
5014                 if (arv) {
5015                         XMLNode &before = arv->region()->get_state ();
5016                         arv->audio_region()->set_envelope_active (!arv->audio_region()->envelope_active());
5017                         XMLNode &after = arv->region()->get_state ();
5018                         session->add_command (new MementoCommand<Region> (*(arv->region().get()), &before, &after));
5019                 }
5020         }
5021
5022         session->commit_reversible_command ();
5023 }
5024
5025 void
5026 Editor::toggle_region_lock ()
5027 {
5028         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
5029
5030         if (!session || rs.empty()) {
5031                 return;
5032         }
5033
5034         session->begin_reversible_command (_("region lock"));
5035
5036         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5037                 XMLNode &before = (*i)->region()->get_state ();
5038                 (*i)->region()->set_locked (!(*i)->region()->locked());
5039                 XMLNode &after = (*i)->region()->get_state ();
5040                 session->add_command (new MementoCommand<Region> (*((*i)->region().get()), &before, &after));
5041         }
5042
5043         session->commit_reversible_command ();
5044 }
5045
5046 void
5047 Editor::set_region_lock_style (Region::PositionLockStyle ps)
5048 {
5049         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
5050
5051         if (!session || rs.empty()) {
5052                 return;
5053         }
5054
5055         session->begin_reversible_command (_("region lock style"));
5056
5057         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5058                 XMLNode &before = (*i)->region()->get_state ();
5059                 (*i)->region()->set_position_lock_style (ps);
5060                 XMLNode &after = (*i)->region()->get_state ();
5061                 session->add_command (new MementoCommand<Region> (*((*i)->region().get()), &before, &after));
5062         }
5063
5064         session->commit_reversible_command ();
5065 }
5066
5067
5068 void
5069 Editor::toggle_region_mute ()
5070 {
5071         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
5072
5073         if (!session || rs.empty()) {
5074                 return;
5075         }
5076
5077         session->begin_reversible_command (_("region mute"));
5078
5079         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5080                 XMLNode &before = (*i)->region()->get_state ();
5081                 (*i)->region()->set_muted (!(*i)->region()->muted());
5082                 XMLNode &after = (*i)->region()->get_state ();
5083                 session->add_command (new MementoCommand<Region> (*((*i)->region().get()), &before, &after));
5084         }
5085
5086         session->commit_reversible_command ();
5087 }
5088
5089 void
5090 Editor::toggle_region_opaque ()
5091 {
5092         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
5093
5094         if (!session || rs.empty()) {
5095                 return;
5096         }
5097
5098         session->begin_reversible_command (_("region opacity"));
5099
5100         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5101                 XMLNode &before = (*i)->region()->get_state ();
5102                 (*i)->region()->set_opaque (!(*i)->region()->opaque());
5103                 XMLNode &after = (*i)->region()->get_state ();
5104                 session->add_command (new MementoCommand<Region> (*((*i)->region().get()), &before, &after));
5105         }
5106
5107         session->commit_reversible_command ();
5108 }
5109
5110 void
5111 Editor::toggle_record_enable ()
5112 {
5113         bool new_state = false;
5114         bool first = true;
5115         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
5116                 RouteTimeAxisView *rtav = dynamic_cast<RouteTimeAxisView *>(*i);
5117                 if (!rtav)
5118                         continue;
5119                 if (!rtav->is_track())
5120                         continue;
5121
5122                 if (first) {
5123                         new_state = !rtav->track()->record_enabled();
5124                         first = false;
5125                 }
5126
5127                 rtav->track()->set_record_enable(new_state, this);
5128         }
5129 }
5130
5131
5132 void
5133 Editor::set_fade_length (bool in)
5134 {
5135         RegionSelection rs;
5136
5137         get_regions_for_action (rs, true);
5138
5139         if (rs.empty()) {
5140                 return;
5141         }
5142
5143         /* we need a region to measure the offset from the start */
5144
5145         RegionView* rv = rs.front ();
5146
5147         nframes64_t pos = get_preferred_edit_position();
5148         nframes64_t len;
5149         char* cmd;
5150
5151         if (pos > rv->region()->last_frame() || pos < rv->region()->first_frame()) {
5152                 /* edit point is outside the relevant region */
5153                 return;
5154         }
5155
5156         if (in) {
5157                 if (pos <= rv->region()->position()) {
5158                         /* can't do it */
5159                         return;
5160                 }
5161                 len = pos - rv->region()->position();
5162                 cmd = _("set fade in length");
5163         } else {
5164                 if (pos >= rv->region()->last_frame()) {
5165                         /* can't do it */
5166                         return;
5167                 }
5168                 len = rv->region()->last_frame() - pos;
5169                 cmd = _("set fade out length");
5170         }
5171
5172         begin_reversible_command (cmd);
5173
5174         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5175                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5176
5177                 if (!tmp) {
5178                         return;
5179                 }
5180
5181                 boost::shared_ptr<AutomationList> alist;
5182                 if (in) {
5183                         alist = tmp->audio_region()->fade_in();
5184                 } else {
5185                         alist = tmp->audio_region()->fade_out();
5186                 }
5187
5188                 XMLNode &before = alist->get_state();
5189
5190                 if (in) {
5191                         tmp->audio_region()->set_fade_in_length (len);
5192                         tmp->audio_region()->set_fade_in_active (true);
5193                 } else {
5194                         tmp->audio_region()->set_fade_out_length (len);
5195                         tmp->audio_region()->set_fade_out_active (true);
5196                 }
5197
5198                 XMLNode &after = alist->get_state();
5199                 session->add_command(new MementoCommand<AutomationList>(*alist, &before, &after));
5200         }
5201
5202         commit_reversible_command ();
5203 }
5204
5205 void
5206 Editor::toggle_fade_active (bool in)
5207 {
5208         RegionSelection rs;
5209
5210         get_regions_for_action (rs);
5211
5212         if (rs.empty()) {
5213                 return;
5214         }
5215
5216         const char* cmd = (in ? _("toggle fade in active") : _("toggle fade out active"));
5217         bool have_switch = false;
5218         bool yn = false;
5219
5220         begin_reversible_command (cmd);
5221
5222         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5223                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5224
5225                 if (!tmp) {
5226                         return;
5227                 }
5228
5229                 boost::shared_ptr<AudioRegion> region (tmp->audio_region());
5230
5231                 /* make the behaviour consistent across all regions */
5232
5233                 if (!have_switch) {
5234                         if (in) {
5235                                 yn = region->fade_in_active();
5236                         } else {
5237                                 yn = region->fade_out_active();
5238                         }
5239                         have_switch = true;
5240                 }
5241
5242                 XMLNode &before = region->get_state();
5243                 if (in) {
5244                         region->set_fade_in_active (!yn);
5245                 } else {
5246                         region->set_fade_out_active (!yn);
5247                 }
5248                 XMLNode &after = region->get_state();
5249                 session->add_command(new MementoCommand<AudioRegion>(*region.get(), &before, &after));
5250         }
5251
5252         commit_reversible_command ();
5253 }
5254
5255 void
5256 Editor::set_fade_in_shape (AudioRegion::FadeShape shape)
5257 {
5258         RegionSelection rs;
5259
5260         get_regions_for_action (rs);
5261
5262         if (rs.empty()) {
5263                 return;
5264         }
5265
5266         begin_reversible_command (_("set fade in shape"));
5267
5268         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5269                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5270
5271                 if (!tmp) {
5272                         return;
5273                 }
5274
5275                 boost::shared_ptr<AutomationList> alist = tmp->audio_region()->fade_in();
5276                 XMLNode &before = alist->get_state();
5277
5278                 tmp->audio_region()->set_fade_in_shape (shape);
5279
5280                 XMLNode &after = alist->get_state();
5281                 session->add_command(new MementoCommand<AutomationList>(*alist.get(), &before, &after));
5282         }
5283
5284         commit_reversible_command ();
5285
5286 }
5287
5288 void
5289 Editor::set_fade_out_shape (AudioRegion::FadeShape shape)
5290 {
5291         RegionSelection rs;
5292
5293         get_regions_for_action (rs);
5294
5295         if (rs.empty()) {
5296                 return;
5297         }
5298
5299         begin_reversible_command (_("set fade out shape"));
5300
5301         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5302                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5303
5304                 if (!tmp) {
5305                         return;
5306                 }
5307
5308                 boost::shared_ptr<AutomationList> alist = tmp->audio_region()->fade_out();
5309                 XMLNode &before = alist->get_state();
5310
5311                 tmp->audio_region()->set_fade_out_shape (shape);
5312
5313                 XMLNode &after = alist->get_state();
5314                 session->add_command(new MementoCommand<AutomationList>(*alist.get(), &before, &after));
5315         }
5316
5317         commit_reversible_command ();
5318 }
5319
5320 void
5321 Editor::set_fade_in_active (bool yn)
5322 {
5323         RegionSelection rs;
5324
5325         get_regions_for_action (rs);
5326
5327         if (rs.empty()) {
5328                 return;
5329         }
5330
5331         begin_reversible_command (_("set fade in active"));
5332
5333         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5334                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5335
5336                 if (!tmp) {
5337                         return;
5338                 }
5339
5340
5341                 boost::shared_ptr<AudioRegion> ar (tmp->audio_region());
5342
5343                 XMLNode &before = ar->get_state();
5344
5345                 ar->set_fade_in_active (yn);
5346
5347                 XMLNode &after = ar->get_state();
5348                 session->add_command(new MementoCommand<AudioRegion>(*ar, &before, &after));
5349         }
5350
5351         commit_reversible_command ();
5352 }
5353
5354 void
5355 Editor::set_fade_out_active (bool yn)
5356 {
5357         RegionSelection rs;
5358
5359         get_regions_for_action (rs);
5360
5361         if (rs.empty()) {
5362                 return;
5363         }
5364
5365         begin_reversible_command (_("set fade out active"));
5366
5367         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5368                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5369
5370                 if (!tmp) {
5371                         return;
5372                 }
5373
5374                 boost::shared_ptr<AudioRegion> ar (tmp->audio_region());
5375
5376                 XMLNode &before = ar->get_state();
5377
5378                 ar->set_fade_out_active (yn);
5379
5380                 XMLNode &after = ar->get_state();
5381                 session->add_command(new MementoCommand<AudioRegion>(*ar, &before, &after));
5382         }
5383
5384         commit_reversible_command ();
5385 }
5386
5387 void
5388 Editor::toggle_selected_region_fades (int dir)
5389 {
5390         RegionSelection rs;
5391         RegionSelection::iterator i;
5392         boost::shared_ptr<AudioRegion> ar;
5393         bool yn;
5394
5395         get_regions_for_action (rs);
5396
5397         if (rs.empty()) {
5398                 return;
5399         }
5400
5401         for (i = rs.begin(); i != rs.end(); ++i) {
5402                 if ((ar = boost::dynamic_pointer_cast<AudioRegion>((*i)->region())) != 0) {
5403                         if (dir == -1) {
5404                                 yn = ar->fade_out_active ();
5405                         } else {
5406                                 yn = ar->fade_in_active ();
5407                         }
5408                         break;
5409                 }
5410         }
5411
5412         if (i == rs.end()) {
5413                 return;
5414         }
5415
5416         /* XXX should this undo-able? */
5417
5418         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5419                 if ((ar = boost::dynamic_pointer_cast<AudioRegion>((*i)->region())) == 0) {
5420                         continue;
5421                 }
5422                 if (dir == 1 || dir == 0) {
5423                         ar->set_fade_in_active (!yn);
5424                 }
5425
5426                 if (dir == -1 || dir == 0) {
5427                         ar->set_fade_out_active (!yn);
5428                 }
5429         }
5430 }
5431
5432
5433 /** Update region fade visibility after its configuration has been changed */
5434 void
5435 Editor::update_region_fade_visibility ()
5436 {
5437         bool _fade_visibility = session->config.get_show_region_fades ();
5438
5439         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5440                 AudioTimeAxisView* v = dynamic_cast<AudioTimeAxisView*>(*i);
5441                 if (v) {
5442                         if (_fade_visibility) {
5443                                 v->audio_view()->show_all_fades ();
5444                         } else {
5445                                 v->audio_view()->hide_all_fades ();
5446                         }
5447                 }
5448         }
5449 }
5450
5451 /** Update crossfade visibility after its configuration has been changed */
5452 void
5453 Editor::update_xfade_visibility ()
5454 {
5455         _xfade_visibility = session->config.get_xfades_visible ();
5456
5457         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5458                 AudioTimeAxisView* v = dynamic_cast<AudioTimeAxisView*>(*i);
5459                 if (v) {
5460                         if (_xfade_visibility) {
5461                                 v->show_all_xfades ();
5462                         } else {
5463                                 v->hide_all_xfades ();
5464                         }
5465                 }
5466         }
5467 }
5468
5469 void
5470 Editor::set_edit_point ()
5471 {
5472         nframes64_t where;
5473         bool ignored;
5474
5475         if (!mouse_frame (where, ignored)) {
5476                 return;
5477         }
5478
5479         snap_to (where);
5480
5481         if (selection->markers.empty()) {
5482
5483                 mouse_add_new_marker (where);
5484
5485         } else {
5486                 bool ignored;
5487
5488                 Location* loc = find_location_from_marker (selection->markers.front(), ignored);
5489
5490                 if (loc) {
5491                         loc->move_to (where);
5492                 }
5493         }
5494 }
5495
5496 void
5497 Editor::set_playhead_cursor ()
5498 {
5499         if (entered_marker) {
5500                 session->request_locate (entered_marker->position(), session->transport_rolling());
5501         } else {
5502                 nframes64_t where;
5503                 bool ignored;
5504
5505                 if (!mouse_frame (where, ignored)) {
5506                         return;
5507                 }
5508
5509                 snap_to (where);
5510
5511                 if (session) {
5512                         session->request_locate (where, session->transport_rolling());
5513                 }
5514         }
5515 }
5516
5517 void
5518 Editor::split ()
5519 {
5520         RegionSelection rs;
5521
5522         get_regions_for_action (rs, true);
5523
5524         nframes64_t where = get_preferred_edit_position();
5525
5526         if (rs.empty()) {
5527                 return;
5528         }
5529
5530         split_regions_at (where, rs);
5531 }
5532
5533 void
5534 Editor::ensure_entered_track_selected (bool op_really_wants_one_track_if_none_are_selected)
5535 {
5536         if (entered_track && mouse_mode == MouseObject) {
5537                 if (!selection->tracks.empty()) {
5538                         if (!selection->selected (entered_track)) {
5539                                 selection->add (entered_track);
5540                         }
5541                 } else {
5542                         /* there is no selection, but this operation requires/prefers selected objects */
5543
5544                         if (op_really_wants_one_track_if_none_are_selected) {
5545                                 selection->set (entered_track);
5546                         }
5547                 }
5548         }
5549 }
5550
5551 struct EditorOrderRouteSorter {
5552     bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
5553             /* use of ">" forces the correct sort order */
5554             return a->order_key ("editor") < b->order_key ("editor");
5555     }
5556 };
5557
5558 void
5559 Editor::select_next_route()
5560 {
5561         if (selection->tracks.empty()) {
5562                 selection->set (track_views.front());
5563                 return;
5564         }
5565
5566         TimeAxisView* current = selection->tracks.front();
5567
5568         RouteUI *rui;
5569         do {
5570                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5571                         if (*i == current) {
5572                                 ++i;
5573                                 if (i != track_views.end()) {
5574                                         current = (*i);
5575                                 } else {
5576                                         current = (*(track_views.begin()));
5577                                         //selection->set (*(track_views.begin()));
5578                                 }
5579                                 break;
5580                         }
5581                 }
5582                 rui = dynamic_cast<RouteUI *>(current);
5583         } while ( current->hidden() || (rui != NULL && !rui->route()->active()));
5584
5585         selection->set(current);
5586
5587         ensure_track_visible(current);
5588 }
5589
5590 void
5591 Editor::select_prev_route()
5592 {
5593         if (selection->tracks.empty()) {
5594                 selection->set (track_views.front());
5595                 return;
5596         }
5597
5598         TimeAxisView* current = selection->tracks.front();
5599
5600         RouteUI *rui;
5601         do {
5602                 for (TrackViewList::reverse_iterator i = track_views.rbegin(); i != track_views.rend(); ++i) {
5603                         if (*i == current) {
5604                                 ++i;
5605                                 if (i != track_views.rend()) {
5606                                         current = (*i);
5607                                 } else {
5608                                         current = *(track_views.rbegin());
5609                                 }
5610                                 break;
5611                         }
5612                 }
5613                 rui = dynamic_cast<RouteUI *>(current);
5614         } while ( current->hidden() || (rui != NULL && !rui->route()->active()));
5615
5616         selection->set (current);
5617
5618         ensure_track_visible(current);
5619 }
5620
5621 void
5622 Editor::ensure_track_visible(TimeAxisView *track)
5623 {
5624         if (track->hidden())
5625                 return;
5626
5627         double const current_view_min_y = vertical_adjustment.get_value();
5628         double const current_view_max_y = vertical_adjustment.get_value() + vertical_adjustment.get_page_size() - canvas_timebars_vsize;
5629
5630         double const track_min_y = track->y_position ();
5631         double const track_max_y = track->y_position () + track->effective_height ();
5632
5633         if (track_min_y >= current_view_min_y &&
5634             track_max_y <= current_view_max_y) {
5635                 return;
5636         }
5637
5638         double new_value;
5639
5640         if (track_min_y < current_view_min_y) {
5641                 // Track is above the current view
5642                 new_value = track_min_y;
5643         } else {
5644                 // Track is below the current view
5645                 new_value = track->y_position () + track->effective_height() + canvas_timebars_vsize - vertical_adjustment.get_page_size();
5646         }
5647
5648         vertical_adjustment.set_value(new_value);
5649 }
5650
5651 void
5652 Editor::set_loop_from_selection (bool play)
5653 {
5654         if (session == 0 || selection->time.empty()) {
5655                 return;
5656         }
5657
5658         nframes64_t start = selection->time[clicked_selection].start;
5659         nframes64_t end = selection->time[clicked_selection].end;
5660
5661         set_loop_range (start, end,  _("set loop range from selection"));
5662
5663         if (play) {
5664                 session->request_play_loop (true);
5665                 session->request_locate (start, true);
5666         }
5667 }
5668
5669 void
5670 Editor::set_loop_from_edit_range (bool play)
5671 {
5672         if (session == 0) {
5673                 return;
5674         }
5675
5676         nframes64_t start;
5677         nframes64_t end;
5678
5679         if (!get_edit_op_range (start, end)) {
5680                 return;
5681         }
5682
5683         set_loop_range (start, end,  _("set loop range from edit range"));
5684
5685         if (play) {
5686                 session->request_play_loop (true);
5687                 session->request_locate (start, true);
5688         }
5689 }
5690
5691 void
5692 Editor::set_loop_from_region (bool play)
5693 {
5694         nframes64_t start = max_frames;
5695         nframes64_t end = 0;
5696
5697         RegionSelection rs;
5698
5699         get_regions_for_action (rs);
5700
5701         if (rs.empty()) {
5702                 return;
5703         }
5704
5705         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5706                 if ((*i)->region()->position() < start) {
5707                         start = (*i)->region()->position();
5708                 }
5709                 if ((*i)->region()->last_frame() + 1 > end) {
5710                         end = (*i)->region()->last_frame() + 1;
5711                 }
5712         }
5713
5714         set_loop_range (start, end, _("set loop range from region"));
5715
5716         if (play) {
5717                 session->request_play_loop (true);
5718                 session->request_locate (start, true);
5719         }
5720 }
5721
5722 void
5723 Editor::set_punch_from_selection ()
5724 {
5725         if (session == 0 || selection->time.empty()) {
5726                 return;
5727         }
5728
5729         nframes64_t start = selection->time[clicked_selection].start;
5730         nframes64_t end = selection->time[clicked_selection].end;
5731
5732         set_punch_range (start, end,  _("set punch range from selection"));
5733 }
5734
5735 void
5736 Editor::set_punch_from_edit_range ()
5737 {
5738         if (session == 0) {
5739                 return;
5740         }
5741
5742         nframes64_t start;
5743         nframes64_t end;
5744
5745         if (!get_edit_op_range (start, end)) {
5746                 return;
5747         }
5748
5749         set_punch_range (start, end,  _("set punch range from edit range"));
5750 }
5751
5752 void
5753 Editor::set_punch_from_region ()
5754 {
5755         nframes64_t start = max_frames;
5756         nframes64_t end = 0;
5757
5758         RegionSelection rs;
5759
5760         get_regions_for_action (rs);
5761
5762         if (rs.empty()) {
5763                 return;
5764         }
5765
5766         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5767                 if ((*i)->region()->position() < start) {
5768                         start = (*i)->region()->position();
5769                 }
5770                 if ((*i)->region()->last_frame() + 1 > end) {
5771                         end = (*i)->region()->last_frame() + 1;
5772                 }
5773         }
5774
5775         set_punch_range (start, end, _("set punch range from region"));
5776 }
5777
5778 void
5779 Editor::pitch_shift_regions ()
5780 {
5781         RegionSelection rs;
5782
5783         get_regions_for_action (rs);
5784
5785         if (rs.empty()) {
5786                 return;
5787         }
5788
5789         pitch_shift (rs, 1.2);
5790 }
5791
5792 void
5793 Editor::use_region_as_bar ()
5794 {
5795         if (!session) {
5796                 return;
5797         }
5798
5799         RegionSelection rs;
5800
5801         get_regions_for_action (rs);
5802
5803         if (rs.empty()) {
5804                 return;
5805         }
5806
5807         RegionView* rv = rs.front();
5808
5809         define_one_bar (rv->region()->position(), rv->region()->last_frame() + 1);
5810 }
5811
5812 void
5813 Editor::use_range_as_bar ()
5814 {
5815         nframes64_t start, end;
5816         if (get_edit_op_range (start, end)) {
5817                 define_one_bar (start, end);
5818         }
5819 }
5820
5821 void
5822 Editor::define_one_bar (nframes64_t start, nframes64_t end)
5823 {
5824         nframes64_t length = end - start;
5825
5826         const Meter& m (session->tempo_map().meter_at (start));
5827
5828         /* length = 1 bar */
5829
5830         /* now we want frames per beat.
5831            we have frames per bar, and beats per bar, so ...
5832         */
5833
5834         double frames_per_beat = length / m.beats_per_bar();
5835
5836         /* beats per minute = */
5837
5838         double beats_per_minute = (session->frame_rate() * 60.0) / frames_per_beat;
5839
5840         /* now decide whether to:
5841
5842             (a) set global tempo
5843             (b) add a new tempo marker
5844
5845         */
5846
5847         const TempoSection& t (session->tempo_map().tempo_section_at (start));
5848
5849         bool do_global = false;
5850
5851         if ((session->tempo_map().n_tempos() == 1) && (session->tempo_map().n_meters() == 1)) {
5852
5853                 /* only 1 tempo & 1 meter: ask if the user wants to set the tempo
5854                    at the start, or create a new marker
5855                 */
5856
5857                 vector<string> options;
5858                 options.push_back (_("Cancel"));
5859                 options.push_back (_("Add new marker"));
5860                 options.push_back (_("Set global tempo"));
5861                 Choice c (_("Do you want to set the global tempo or add new tempo marker?"),
5862                           options);
5863                 c.set_default_response (2);
5864
5865                 switch (c.run()) {
5866                 case 0:
5867                         return;
5868
5869                 case 2:
5870                         do_global = true;
5871                         break;
5872
5873                 default:
5874                         do_global = false;
5875                 }
5876
5877         } else {
5878
5879                 /* more than 1 tempo and/or meter section already, go ahead do the "usual":
5880                    if the marker is at the region starter, change it, otherwise add
5881                    a new tempo marker
5882                 */
5883         }
5884
5885         begin_reversible_command (_("set tempo from region"));
5886         XMLNode& before (session->tempo_map().get_state());
5887
5888         if (do_global) {
5889                 session->tempo_map().change_initial_tempo (beats_per_minute, t.note_type());
5890         } else if (t.frame() == start) {
5891                 session->tempo_map().change_existing_tempo_at (start, beats_per_minute, t.note_type());
5892         } else {
5893                 session->tempo_map().add_tempo (Tempo (beats_per_minute, t.note_type()), start);
5894         }
5895
5896         XMLNode& after (session->tempo_map().get_state());
5897
5898         session->add_command (new MementoCommand<TempoMap>(session->tempo_map(), &before, &after));
5899         commit_reversible_command ();
5900 }
5901
5902 void
5903 Editor::split_region_at_transients ()
5904 {
5905         AnalysisFeatureList positions;
5906
5907         if (!session) {
5908                 return;
5909         }
5910
5911         RegionSelection rs;
5912
5913         get_regions_for_action (rs);
5914
5915         if (rs.empty()) {
5916                 return;
5917         }
5918
5919         session->begin_reversible_command (_("split regions"));
5920
5921         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ) {
5922
5923                 RegionSelection::iterator tmp;
5924
5925                 tmp = i;
5926                 ++tmp;
5927
5928                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> ((*i)->region());
5929
5930                 if (ar && (ar->get_transients (positions) == 0)) {
5931                         split_region_at_points ((*i)->region(), positions, true);
5932                         positions.clear ();
5933                 }
5934
5935                 i = tmp;
5936         }
5937
5938         session->commit_reversible_command ();
5939
5940 }
5941
5942 void
5943 Editor::split_region_at_points (boost::shared_ptr<Region> r, AnalysisFeatureList& positions, bool can_ferret)
5944 {
5945         bool use_rhythmic_rodent = false;
5946
5947         boost::shared_ptr<Playlist> pl = r->playlist();
5948
5949         if (!pl) {
5950                 return;
5951         }
5952
5953         if (positions.empty()) {
5954                 return;
5955         }
5956
5957
5958         if (positions.size() > 20) {
5959                 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);
5960                 MessageDialog msg (msgstr,
5961                                    false,
5962                                    Gtk::MESSAGE_INFO,
5963                                    Gtk::BUTTONS_OK_CANCEL);
5964
5965                 if (can_ferret) {
5966                         msg.add_button (_("Call for the Ferret!"), RESPONSE_APPLY);
5967                         msg.set_secondary_text (_("Press OK to continue with this split operation\nor ask the Ferret dialog to tune the analysis"));
5968                 } else {
5969                         msg.set_secondary_text (_("Press OK to continue with this split operation"));
5970                 }
5971
5972                 msg.set_title (_("Excessive split?"));
5973                 msg.present ();
5974
5975                 int response = msg.run();
5976                 msg.hide ();
5977                 switch (response) {
5978                 case RESPONSE_OK:
5979                         break;
5980                 case RESPONSE_APPLY:
5981                         use_rhythmic_rodent = true;
5982                         break;
5983                 default:
5984                         return;
5985                 }
5986         }
5987
5988         if (use_rhythmic_rodent) {
5989                 show_rhythm_ferret ();
5990                 return;
5991         }
5992
5993         AnalysisFeatureList::const_iterator x;
5994
5995         nframes64_t pos = r->position();
5996
5997         XMLNode& before (pl->get_state());
5998
5999         x = positions.begin();
6000
6001         while (x != positions.end()) {
6002                 if ((*x) > pos) {
6003                         break;
6004                 }
6005                 ++x;
6006         }
6007
6008         if (x == positions.end()) {
6009                 return;
6010         }
6011
6012         pl->freeze ();
6013         pl->remove_region (r);
6014
6015         while (x != positions.end()) {
6016
6017                 /* file start = original start + how far we from the initial position ?
6018                  */
6019
6020                 nframes64_t file_start = r->start() + (pos - r->position());
6021
6022                 /* length = next position - current position
6023                  */
6024
6025                 nframes64_t len = (*x) - pos;
6026
6027                 /* XXX we do we really want to allow even single-sample regions?
6028                    shouldn't we have some kind of lower limit on region size?
6029                 */
6030
6031                 if (len <= 0) {
6032                         break;
6033                 }
6034
6035                 string new_name;
6036
6037                 if (session->region_name (new_name, r->name())) {
6038                         break;
6039                 }
6040
6041                 /* do NOT announce new regions 1 by one, just wait till they are all done */
6042
6043                 boost::shared_ptr<Region> nr = RegionFactory::create (r->sources(), file_start, len, new_name, 0, Region::DefaultFlags, false);
6044                 pl->add_region (nr, pos);
6045
6046                 pos += len;
6047                 ++x;
6048
6049                 if (*x > r->last_frame()) {
6050
6051                         /* add final fragment */
6052
6053                         file_start = r->start() + (pos - r->position());
6054                         len = r->last_frame() - pos;
6055
6056                         nr = RegionFactory::create (r->sources(), file_start, len, new_name, 0, Region::DefaultFlags);
6057                         pl->add_region (nr, pos);
6058
6059                         break;
6060                 }
6061         }
6062
6063         pl->thaw ();
6064
6065         XMLNode& after (pl->get_state());
6066
6067         session->add_command (new MementoCommand<Playlist>(*pl, &before, &after));
6068 }
6069
6070 void
6071 Editor::tab_to_transient (bool forward)
6072 {
6073         AnalysisFeatureList positions;
6074
6075         if (!session) {
6076                 return;
6077         }
6078
6079         nframes64_t pos = session->audible_frame ();
6080
6081         if (!selection->tracks.empty()) {
6082
6083                 for (TrackSelection::iterator t = selection->tracks.begin(); t != selection->tracks.end(); ++t) {
6084
6085                         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*t);
6086
6087                         if (rtv) {
6088                                 boost::shared_ptr<Diskstream> ds = rtv->get_diskstream();
6089                                 if (ds) {
6090                                         boost::shared_ptr<Playlist> pl = rtv->get_diskstream()->playlist ();
6091                                         if (pl) {
6092                                                 nframes64_t result = pl->find_next_transient (pos, forward ? 1 : -1);
6093
6094                                                 if (result >= 0) {
6095                                                         positions.push_back (result);
6096                                                 }
6097                                         }
6098                                 }
6099                         }
6100                 }
6101
6102         } else {
6103
6104                 RegionSelection rs;
6105
6106                 get_regions_for_action (rs);
6107
6108                 if (rs.empty()) {
6109                         return;
6110                 }
6111
6112                 for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
6113                         (*r)->region()->get_transients (positions);
6114                 }
6115         }
6116
6117         TransientDetector::cleanup_transients (positions, session->frame_rate(), 3.0);
6118
6119         if (forward) {
6120                 AnalysisFeatureList::iterator x;
6121
6122                 for (x = positions.begin(); x != positions.end(); ++x) {
6123                         if ((*x) > pos) {
6124                                 break;
6125                         }
6126                 }
6127
6128                 if (x != positions.end ()) {
6129                         session->request_locate (*x);
6130                 }
6131
6132         } else {
6133                 AnalysisFeatureList::reverse_iterator x;
6134
6135                 for (x = positions.rbegin(); x != positions.rend(); ++x) {
6136                         if ((*x) < pos) {
6137                                 break;
6138                         }
6139                 }
6140
6141                 if (x != positions.rend ()) {
6142                         session->request_locate (*x);
6143                 }
6144         }
6145 }
6146 void
6147 Editor::playhead_forward_to_grid ()
6148 {
6149         if (!session) return;
6150         nframes64_t pos = playhead_cursor->current_frame;
6151         if (pos < max_frames - 1) {
6152                 pos += 2;
6153                 snap_to_internal (pos, 1, false);
6154                 session->request_locate (pos);
6155         }
6156 }
6157
6158
6159 void
6160 Editor::playhead_backward_to_grid ()
6161 {
6162         if (!session) return;
6163         nframes64_t pos = playhead_cursor->current_frame;
6164         if (pos > 2) {
6165                 pos -= 2;
6166                 snap_to_internal (pos, -1, false);
6167                 session->request_locate (pos);
6168         }
6169 }
6170
6171 void
6172 Editor::set_track_height (uint32_t h)
6173 {
6174         TrackSelection& ts (selection->tracks);
6175
6176         for (TrackSelection::iterator x = ts.begin(); x != ts.end(); ++x) {
6177                 (*x)->set_height (h);
6178         }
6179 }
6180
6181 void
6182 Editor::toggle_tracks_active ()
6183 {
6184         TrackSelection& ts (selection->tracks);
6185         bool first = true;
6186         bool target = false;
6187
6188         if (ts.empty()) {
6189                 return;
6190         }
6191
6192         for (TrackSelection::iterator x = ts.begin(); x != ts.end(); ++x) {
6193                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*x);
6194
6195                 if (rtv) {
6196                         if (first) {
6197                                 target = !rtv->_route->active();
6198                                 first = false;
6199                         }
6200                         rtv->_route->set_active (target);
6201                 }
6202         }
6203 }
6204
6205 void
6206 Editor::remove_tracks ()
6207 {
6208         TrackSelection& ts (selection->tracks);
6209
6210         if (ts.empty()) {
6211                 return;
6212         }
6213
6214         vector<string> choices;
6215         string prompt;
6216         int ntracks = 0;
6217         int nbusses = 0;
6218         const char* trackstr;
6219         const char* busstr;
6220         vector<boost::shared_ptr<Route> > routes;
6221
6222         for (TrackSelection::iterator x = ts.begin(); x != ts.end(); ++x) {
6223                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*x);
6224                 if (rtv) {
6225                         if (rtv->is_track()) {
6226                                 ntracks++;
6227                         } else {
6228                                 nbusses++;
6229                         }
6230                 }
6231                 routes.push_back (rtv->_route);
6232         }
6233
6234         if (ntracks + nbusses == 0) {
6235                 return;
6236         }
6237
6238         if (ntracks > 1) {
6239                 trackstr = _("tracks");
6240         } else {
6241                 trackstr = _("track");
6242         }
6243
6244         if (nbusses > 1) {
6245                 busstr = _("busses");
6246         } else {
6247                 busstr = _("bus");
6248         }
6249
6250         if (ntracks) {
6251                 if (nbusses) {
6252                         prompt  = string_compose (_("Do you really want to remove %1 %2 and %3 %4?\n"
6253                                                     "(You may also lose the playlists associated with the %2)\n\n"
6254                                                     "This action cannot be undone!"),
6255                                                   ntracks, trackstr, nbusses, busstr);
6256                 } else {
6257                         prompt  = string_compose (_("Do you really want to remove %1 %2?\n"
6258                                                     "(You may also lose the playlists associated with the %2)\n\n"
6259                                                     "This action cannot be undone!"),
6260                                                   ntracks, trackstr);
6261                 }
6262         } else if (nbusses) {
6263                 prompt  = string_compose (_("Do you really want to remove %1 %2?"),
6264                                           nbusses, busstr);
6265         }
6266
6267         choices.push_back (_("No, do nothing."));
6268         if (ntracks + nbusses > 1) {
6269                 choices.push_back (_("Yes, remove them."));
6270         } else {
6271                 choices.push_back (_("Yes, remove it."));
6272         }
6273
6274         Choice prompter (prompt, choices);
6275
6276         if (prompter.run () != 1) {
6277                 return;
6278         }
6279
6280         for (vector<boost::shared_ptr<Route> >::iterator x = routes.begin(); x != routes.end(); ++x) {
6281                 session->remove_route (*x);
6282         }
6283 }
6284
6285 void
6286 Editor::do_insert_time ()
6287 {
6288         if (selection->tracks.empty()) {
6289                 return;
6290         }
6291
6292         ArdourDialog d (*this, _("Insert Time"));
6293
6294         nframes64_t const pos = get_preferred_edit_position ();
6295
6296         d.get_vbox()->set_border_width (12);
6297         d.get_vbox()->set_spacing (4);
6298
6299         Table table (2, 2);
6300         table.set_spacings (4);
6301
6302         Label time_label (_("Time to insert:"));
6303         time_label.set_alignment (1, 0.5);
6304         table.attach (time_label, 0, 1, 0, 1, FILL | EXPAND);
6305         AudioClock clock ("insertTimeClock", true, X_("InsertTimeClock"), true, true, true);
6306         clock.set (0);
6307         clock.set_session (session);
6308         clock.set_bbt_reference (pos);
6309         table.attach (clock, 1, 2, 0, 1);
6310
6311         Label intersected_label (_("Intersected regions should:"));
6312         intersected_label.set_alignment (1, 0.5);
6313         table.attach (intersected_label, 0, 1, 1, 2, FILL | EXPAND);
6314         ComboBoxText intersected_combo;
6315         intersected_combo.append_text (_("stay in position"));
6316         intersected_combo.append_text (_("move"));
6317         intersected_combo.append_text (_("be split"));
6318         intersected_combo.set_active (0);
6319         table.attach (intersected_combo, 1, 2, 1, 2);
6320
6321         d.get_vbox()->pack_start (table);
6322
6323         CheckButton move_glued (_("Move glued regions"));
6324         d.get_vbox()->pack_start (move_glued);
6325         CheckButton move_markers (_("Move markers"));
6326         d.get_vbox()->pack_start (move_markers);
6327         CheckButton move_tempos (_("Move tempo and meter changes"));
6328         d.get_vbox()->pack_start (move_tempos);
6329
6330         d.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
6331         d.add_button (_("Insert time"), Gtk::RESPONSE_OK);
6332         d.show_all ();
6333
6334         int response = d.run ();
6335
6336         if (response != RESPONSE_OK) {
6337                 return;
6338         }
6339
6340         nframes64_t distance = clock.current_duration (pos);
6341
6342         if (distance == 0) {
6343                 return;
6344         }
6345
6346         InsertTimeOption opt;
6347
6348         switch (intersected_combo.get_active_row_number ()) {
6349         case 0:
6350                 opt = LeaveIntersected;
6351                 break;
6352         case 1:
6353                 opt = MoveIntersected;
6354                 break;
6355         case 2:
6356                 opt = SplitIntersected;
6357                 break;
6358         }
6359
6360         insert_time (pos, distance, opt, move_glued.get_active(), move_markers.get_active(), move_tempos.get_active());
6361 }
6362
6363 void
6364 Editor::insert_time (nframes64_t pos, nframes64_t frames, InsertTimeOption opt,
6365                      bool ignore_music_glue, bool markers_too, bool tempo_too)
6366 {
6367         bool commit = false;
6368
6369         if (Config->get_edit_mode() == Lock) {
6370                 return;
6371         }
6372
6373         begin_reversible_command (_("insert time"));
6374
6375         for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
6376                 /* regions */
6377                 boost::shared_ptr<Playlist> pl = (*x)->playlist();
6378
6379                 if (pl) {
6380
6381                         XMLNode &before = pl->get_state();
6382
6383                         if (opt == SplitIntersected) {
6384                                 pl->split (pos);
6385                         }
6386
6387                         pl->shift (pos, frames, (opt == MoveIntersected), ignore_music_glue);
6388
6389                         XMLNode &after = pl->get_state();
6390
6391                         session->add_command (new MementoCommand<Playlist> (*pl, &before, &after));
6392                         commit = true;
6393                 }
6394
6395                 /* automation */
6396                 RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (*x);
6397                 if (rtav) {
6398                         rtav->route ()->shift (pos, frames);
6399                         commit = true;
6400                 }
6401         }
6402
6403         /* markers */
6404         if (markers_too) {
6405                 bool moved = false;
6406                 XMLNode& before (session->locations()->get_state());
6407                 Locations::LocationList copy (session->locations()->list());
6408
6409                 for (Locations::LocationList::iterator i = copy.begin(); i != copy.end(); ++i) {
6410
6411                         Locations::LocationList::const_iterator tmp;
6412
6413                         if ((*i)->start() >= pos) {
6414                                 (*i)->set_start ((*i)->start() + frames);
6415                                 if (!(*i)->is_mark()) {
6416                                         (*i)->set_end ((*i)->end() + frames);
6417                                 }
6418                                 moved = true;
6419                         }
6420                 }
6421
6422                 if (moved) {
6423                         XMLNode& after (session->locations()->get_state());
6424                         session->add_command (new MementoCommand<Locations>(*session->locations(), &before, &after));
6425                 }
6426         }
6427
6428         if (tempo_too) {
6429                 session->tempo_map().insert_time (pos, frames);
6430         }
6431
6432         if (commit) {
6433                 commit_reversible_command ();
6434         }
6435 }
6436
6437 void
6438 Editor::fit_selected_tracks ()
6439 {
6440         fit_tracks (selection->tracks);
6441 }
6442
6443 void
6444 Editor::fit_tracks (TrackSelection & tracks)
6445 {
6446         if (tracks.empty()) {
6447                 return;
6448         }
6449
6450         uint32_t child_heights = 0;
6451
6452         for (TrackSelection::iterator t = tracks.begin(); t != tracks.end(); ++t) {
6453
6454                 if (!(*t)->marked_for_display()) {
6455                         continue;
6456                 }
6457
6458                 child_heights += (*t)->effective_height() - (*t)->current_height();
6459         }
6460
6461         uint32_t h = (uint32_t) floor ((_canvas_height - child_heights - canvas_timebars_vsize) / tracks.size());
6462         double first_y_pos = DBL_MAX;
6463
6464         if (h < TimeAxisView::hSmall) {
6465                 MessageDialog msg (*this, _("There are too many tracks to fit in the current window"));
6466                 /* too small to be displayed */
6467                 return;
6468         }
6469
6470         undo_visual_stack.push_back (current_visual_state());
6471
6472         /* operate on all tracks, hide unselected ones that are in the middle of selected ones */
6473
6474         bool prev_was_selected = false;
6475         bool is_selected = tracks.contains (track_views.front());
6476         bool next_is_selected;
6477
6478         for (TrackViewList::iterator t = track_views.begin(); t != track_views.end(); ++t) {
6479
6480                 TrackViewList::iterator next;
6481
6482                 next = t;
6483                 ++next;
6484
6485                 if (next != track_views.end()) {
6486                         next_is_selected = tracks.contains (*next);
6487                 } else {
6488                         next_is_selected = false;
6489                 }
6490
6491                 if (is_selected) {
6492                         (*t)->set_height (h);
6493                         first_y_pos = std::min ((*t)->y_position (), first_y_pos);
6494                 } else {
6495                         if (prev_was_selected && next_is_selected) {
6496                                 hide_track_in_display (**t);
6497                         }
6498                 }
6499
6500                 prev_was_selected = is_selected;
6501                 is_selected = next_is_selected;
6502         }
6503
6504         /*
6505            set the controls_layout height now, because waiting for its size
6506            request signal handler will cause the vertical adjustment setting to fail
6507         */
6508
6509         controls_layout.property_height () = full_canvas_height - canvas_timebars_vsize;
6510         vertical_adjustment.set_value (first_y_pos);
6511
6512         redo_visual_stack.push_back (current_visual_state());
6513 }
6514
6515 void
6516 Editor::save_visual_state (uint32_t n)
6517 {
6518         while (visual_states.size() <= n) {
6519                 visual_states.push_back (0);
6520         }
6521
6522         delete visual_states[n];
6523
6524         visual_states[n] = current_visual_state (true);
6525         gdk_beep ();
6526 }
6527
6528 void
6529 Editor::goto_visual_state (uint32_t n)
6530 {
6531         if (visual_states.size() <= n) {
6532                 return;
6533         }
6534
6535         if (visual_states[n] == 0) {
6536                 return;
6537         }
6538
6539         use_visual_state (*visual_states[n]);
6540 }
6541
6542 void
6543 Editor::start_visual_state_op (uint32_t n)
6544 {
6545         if (visual_state_op_connection.empty()) {
6546                 visual_state_op_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::end_visual_state_op), n), 1000);
6547         }
6548 }
6549
6550 void
6551 Editor::cancel_visual_state_op (uint32_t n)
6552 {
6553         if (!visual_state_op_connection.empty()) {
6554                 visual_state_op_connection.disconnect();
6555                 goto_visual_state (n);
6556         }  else {
6557                 //we land here if called from the menu OR if end_visual_state_op has been called
6558                 //so check if we are already in visual state n
6559                 // XXX not yet checking it at all, but redoing does not hurt
6560                 goto_visual_state (n);
6561         }
6562 }
6563
6564 bool
6565 Editor::end_visual_state_op (uint32_t n)
6566 {
6567         visual_state_op_connection.disconnect();
6568         save_visual_state (n);
6569
6570         PopUp* pup = new PopUp (WIN_POS_MOUSE, 1000, true);
6571         char buf[32];
6572         snprintf (buf, sizeof (buf), _("Saved view %u"), n+1);
6573         pup->set_text (buf);
6574         pup->touch();
6575
6576         return false; // do not call again
6577 }
6578