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/window_title.h>
  39 #include <gtkmm2ext/popup.h>
  40
  41 #include "ardour/audioengine.h"
  42 #include "ardour/session.h"
  43 #include "ardour/audioplaylist.h"
  44 #include "ardour/audioregion.h"
  45 #include "ardour/audio_diskstream.h"
  46 #include "ardour/utils.h"
  47 #include "ardour/location.h"
  48 #include "ardour/named_selection.h"
  49 #include "ardour/audio_track.h"
  50 #include "ardour/audioplaylist.h"
  51 #include "ardour/region_factory.h"
  52 #include "ardour/playlist_factory.h"
  53 #include "ardour/reverse.h"
  54 #include "ardour/transient_detector.h"
  55 #include "ardour/dB.h"
  56 #include "ardour/quantize.h"
  57 #include "ardour/strip_silence.h"
  58 #include "ardour/route_group.h"
  59
  60 #include "ardour_ui.h"
  61 #include "editor.h"
  62 #include "time_axis_view.h"
  63 #include "route_time_axis.h"
  64 #include "audio_time_axis.h"
  65 #include "automation_time_axis.h"
  66 #include "streamview.h"
  67 #include "audio_streamview.h"
  68 #include "audio_region_view.h"
  69 #include "midi_region_view.h"
  70 #include "rgb_macros.h"
  71 #include "selection_templates.h"
  72 #include "selection.h"
  73 #include "editing.h"
  74 #include "gtk-custom-hruler.h"
  75 #include "gui_thread.h"
  76 #include "keyboard.h"
  77 #include "utils.h"
  78 #include "editor_drag.h"
  79 #include "strip_silence_dialog.h"
  80 #include "editor_routes.h"
  81 #include "editor_regions.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::temporal_zoom_step (bool coarser)
1520 {
1521         ENSURE_GUI_THREAD (bind (mem_fun (*this, &Editor::temporal_zoom_step), coarser));
1522
1523         double nfpu;
1524
1525         nfpu = frames_per_unit;
1526
1527         if (coarser) {
1528                 nfpu *= 1.61803399;
1529         } else {
1530                 nfpu = max(1.0,(nfpu/1.61803399));
1531         }
1532
1533         temporal_zoom (nfpu);
1534 }
1535
1536 void
1537 Editor::temporal_zoom (gdouble fpu)
1538 {
1539         if (!session) return;
1540
1541         nframes64_t current_page = current_page_frames();
1542         nframes64_t current_leftmost = leftmost_frame;
1543         nframes64_t current_rightmost;
1544         nframes64_t current_center;
1545         nframes64_t new_page_size;
1546         nframes64_t half_page_size;
1547         nframes64_t leftmost_after_zoom = 0;
1548         nframes64_t where;
1549         bool in_track_canvas;
1550         double nfpu;
1551         double l;
1552
1553         /* XXX this limit is also in ::set_frames_per_unit() */
1554
1555         if (frames_per_unit <= 2.0 && fpu <= frames_per_unit) {
1556                 return;
1557         }
1558
1559         nfpu = fpu;
1560
1561         new_page_size = (nframes64_t) floor (_canvas_width * nfpu);
1562         half_page_size = new_page_size / 2;
1563
1564         switch (zoom_focus) {
1565         case ZoomFocusLeft:
1566                 leftmost_after_zoom = current_leftmost;
1567                 break;
1568
1569         case ZoomFocusRight:
1570                 current_rightmost = leftmost_frame + current_page;
1571                 if (current_rightmost < new_page_size) {
1572                         leftmost_after_zoom = 0;
1573                 } else {
1574                         leftmost_after_zoom = current_rightmost - new_page_size;
1575                 }
1576                 break;
1577
1578         case ZoomFocusCenter:
1579                 current_center = current_leftmost + (current_page/2);
1580                 if (current_center < half_page_size) {
1581                         leftmost_after_zoom = 0;
1582                 } else {
1583                         leftmost_after_zoom = current_center - half_page_size;
1584                 }
1585                 break;
1586
1587         case ZoomFocusPlayhead:
1588                 /* try to keep the playhead in the same place */
1589
1590                 where = playhead_cursor->current_frame;
1591
1592                 l = - ((new_page_size * ((where - current_leftmost)/(double)current_page)) - where);
1593
1594                 if (l < 0) {
1595                         leftmost_after_zoom = 0;
1596                 } else if (l > max_frames) {
1597                         leftmost_after_zoom = max_frames - new_page_size;
1598                 } else {
1599                         leftmost_after_zoom = (nframes64_t) l;
1600                 }
1601                 break;
1602
1603         case ZoomFocusMouse:
1604                 /* try to keep the mouse over the same point in the display */
1605
1606                 if (!mouse_frame (where, in_track_canvas)) {
1607                         /* use playhead instead */
1608                         where = playhead_cursor->current_frame;
1609
1610                         if (where < half_page_size) {
1611                                 leftmost_after_zoom = 0;
1612                         } else {
1613                                 leftmost_after_zoom = where - half_page_size;
1614                         }
1615
1616                 } else {
1617
1618                         l = - ((new_page_size * ((where - current_leftmost)/(double)current_page)) - where);
1619
1620                         if (l < 0) {
1621                                 leftmost_after_zoom = 0;
1622                         } else if (l > max_frames) {
1623                                 leftmost_after_zoom = max_frames - new_page_size;
1624                         } else {
1625                                 leftmost_after_zoom = (nframes64_t) l;
1626                         }
1627                 }
1628
1629                 break;
1630
1631         case ZoomFocusEdit:
1632                 /* try to keep the edit point in the same place */
1633                 where = get_preferred_edit_position ();
1634
1635                 if (where > 0) {
1636
1637                         double l = - ((new_page_size * ((where - current_leftmost)/(double)current_page)) - where);
1638
1639                         if (l < 0) {
1640                                 leftmost_after_zoom = 0;
1641                         } else if (l > max_frames) {
1642                                 leftmost_after_zoom = max_frames - new_page_size;
1643                         } else {
1644                                 leftmost_after_zoom = (nframes64_t) l;
1645                         }
1646
1647                 } else {
1648                         /* edit point not defined */
1649                         return;
1650                 }
1651                 break;
1652
1653         }
1654
1655         // leftmost_after_zoom = min (leftmost_after_zoom, session->current_end_frame());
1656
1657         reposition_and_zoom (leftmost_after_zoom, nfpu);
1658 }
1659
1660 void
1661 Editor::temporal_zoom_region (bool both_axes)
1662 {
1663
1664         nframes64_t start = max_frames;
1665         nframes64_t end = 0;
1666         RegionSelection rs;
1667         set<TimeAxisView*> tracks;
1668
1669         get_regions_for_action (rs);
1670
1671         if (rs.empty()) {
1672                 return;
1673         }
1674
1675         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
1676
1677                 if ((*i)->region()->position() < start) {
1678                         start = (*i)->region()->position();
1679                 }
1680
1681                 if ((*i)->region()->last_frame() + 1 > end) {
1682                         end = (*i)->region()->last_frame() + 1;
1683                 }
1684
1685                 tracks.insert (&((*i)->get_time_axis_view()));
1686         }
1687
1688         /* now comes an "interesting" hack ... make sure we leave a little space
1689            at each end of the editor so that the zoom doesn't fit the region
1690            precisely to the screen.
1691         */
1692
1693         GdkScreen* screen = gdk_screen_get_default ();
1694         gint pixwidth = gdk_screen_get_width (screen);
1695         gint mmwidth = gdk_screen_get_width_mm (screen);
1696         double pix_per_mm = (double) pixwidth/ (double) mmwidth;
1697         double one_centimeter_in_pixels = pix_per_mm * 10.0;
1698
1699         if ((start == 0 && end == 0) || end < start) {
1700                 return;
1701         }
1702
1703         nframes64_t range = end - start;
1704         double new_fpu = (double)range / (double)_canvas_width;
1705         nframes64_t extra_samples = (nframes64_t) floor (one_centimeter_in_pixels * new_fpu);
1706
1707         if (start > extra_samples) {
1708                 start -= extra_samples;
1709         } else {
1710                 start = 0;
1711         }
1712
1713         if (max_frames - extra_samples > end) {
1714                 end += extra_samples;
1715         } else {
1716                 end = max_frames;
1717         }
1718
1719         if (both_axes) {
1720                 /* save visual state with track states included, and prevent
1721                    set_frames_per_unit() from doing it again.
1722                 */
1723                 undo_visual_stack.push_back (current_visual_state(true));
1724                 no_save_visual = true;
1725         }
1726
1727         temporal_zoom_by_frame (start, end, "zoom to region");
1728
1729         if (both_axes) {
1730                 uint32_t per_track_height = (uint32_t) floor ((_canvas_height - canvas_timebars_vsize - 10.0) / tracks.size());
1731
1732                 /* set visible track heights appropriately */
1733
1734                 for (set<TimeAxisView*>::iterator t = tracks.begin(); t != tracks.end(); ++t) {
1735                         (*t)->set_height (per_track_height);
1736                 }
1737
1738                 /* hide irrelevant tracks */
1739
1740                 _routes->suspend_redisplay ();
1741
1742                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1743                         if (find (tracks.begin(), tracks.end(), (*i)) == tracks.end()) {
1744                                 hide_track_in_display (**i, true);
1745                         }
1746                 }
1747
1748                 _routes->resume_redisplay ();
1749
1750                 vertical_adjustment.set_value (0.0);
1751                 no_save_visual = false;
1752         }
1753
1754         zoomed_to_region = true;
1755         redo_visual_stack.push_back (current_visual_state());
1756 }
1757
1758 void
1759 Editor::toggle_zoom_region (bool both_axes)
1760 {
1761         if (zoomed_to_region) {
1762                 swap_visual_state ();
1763         } else {
1764                 temporal_zoom_region (both_axes);
1765         }
1766 }
1767
1768 void
1769 Editor::temporal_zoom_selection ()
1770 {
1771         if (!selection) return;
1772
1773         if (selection->time.empty()) {
1774                 return;
1775         }
1776
1777         nframes64_t start = selection->time[clicked_selection].start;
1778         nframes64_t end = selection->time[clicked_selection].end;
1779
1780         temporal_zoom_by_frame (start, end, "zoom to selection");
1781 }
1782
1783 void
1784 Editor::temporal_zoom_session ()
1785 {
1786         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::temporal_zoom_session));
1787
1788         if (session) {
1789                 temporal_zoom_by_frame (session->current_start_frame(), session->current_end_frame(), "zoom to session");
1790         }
1791 }
1792
1793 void
1794 Editor::temporal_zoom_by_frame (nframes64_t start, nframes64_t end, const string & /*op*/)
1795 {
1796         if (!session) return;
1797
1798         if ((start == 0 && end == 0) || end < start) {
1799                 return;
1800         }
1801
1802         nframes64_t range = end - start;
1803
1804         double new_fpu = (double)range / (double)_canvas_width;
1805
1806         nframes64_t new_page = (nframes64_t) floor (_canvas_width * new_fpu);
1807         nframes64_t middle = (nframes64_t) floor( (double)start + ((double)range / 2.0f ));
1808         nframes64_t new_leftmost = (nframes64_t) floor( (double)middle - ((double)new_page/2.0f));
1809
1810         if (new_leftmost > middle) {
1811                 new_leftmost = 0;
1812         }
1813
1814         reposition_and_zoom (new_leftmost, new_fpu);
1815 }
1816
1817 void
1818 Editor::temporal_zoom_to_frame (bool coarser, nframes64_t frame)
1819 {
1820         if (!session) {
1821                 return;
1822         }
1823         double range_before = frame - leftmost_frame;
1824         double new_fpu;
1825
1826         new_fpu = frames_per_unit;
1827
1828         if (coarser) {
1829                 new_fpu *= 1.61803399;
1830                 range_before *= 1.61803399;
1831         } else {
1832                 new_fpu = max(1.0,(new_fpu/1.61803399));
1833                 range_before /= 1.61803399;
1834         }
1835
1836         if (new_fpu == frames_per_unit)  {
1837                 return;
1838         }
1839
1840         nframes64_t new_leftmost = frame - (nframes64_t)range_before;
1841
1842         if (new_leftmost > frame) {
1843                 new_leftmost = 0;
1844         }
1845 //      begin_reversible_command (_("zoom to frame"));
1846 //      session->add_undo (bind (mem_fun(*this, &Editor::reposition_and_zoom), leftmost_frame, frames_per_unit));
1847 //      session->add_redo (bind (mem_fun(*this, &Editor::reposition_and_zoom), new_leftmost, new_fpu));
1848 //      commit_reversible_command ();
1849
1850         reposition_and_zoom (new_leftmost, new_fpu);
1851 }
1852
1853
1854 bool
1855 Editor::choose_new_marker_name(string &name) {
1856
1857         if (!Config->get_name_new_markers()) {
1858                 /* don't prompt user for a new name */
1859                 return true;
1860         }
1861
1862         ArdourPrompter dialog (true);
1863
1864         dialog.set_prompt (_("New Name:"));
1865
1866         WindowTitle title(Glib::get_application_name());
1867         title += _("Name New Location Marker");
1868
1869         dialog.set_title(title.get_string());
1870
1871         dialog.set_name ("MarkNameWindow");
1872         dialog.set_size_request (250, -1);
1873         dialog.set_position (Gtk::WIN_POS_MOUSE);
1874
1875         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
1876         dialog.set_initial_text (name);
1877
1878         dialog.show ();
1879
1880         switch (dialog.run ()) {
1881         case RESPONSE_ACCEPT:
1882                 break;
1883         default:
1884                 return false;
1885         }
1886
1887         dialog.get_result(name);
1888         return true;
1889
1890 }
1891
1892
1893 void
1894 Editor::add_location_from_selection ()
1895 {
1896         string rangename;
1897
1898         if (selection->time.empty()) {
1899                 return;
1900         }
1901
1902         if (session == 0 || clicked_axisview == 0) {
1903                 return;
1904         }
1905
1906         nframes64_t start = selection->time[clicked_selection].start;
1907         nframes64_t end = selection->time[clicked_selection].end;
1908
1909         session->locations()->next_available_name(rangename,"selection");
1910         Location *location = new Location (start, end, rangename, Location::IsRangeMarker);
1911
1912         session->begin_reversible_command (_("add marker"));
1913         XMLNode &before = session->locations()->get_state();
1914         session->locations()->add (location, true);
1915         XMLNode &after = session->locations()->get_state();
1916         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
1917         session->commit_reversible_command ();
1918 }
1919
1920 void
1921 Editor::add_location_mark (nframes64_t where)
1922 {
1923         string markername;
1924
1925         select_new_marker = true;
1926
1927         session->locations()->next_available_name(markername,"mark");
1928         if (!choose_new_marker_name(markername)) {
1929                 return;
1930         }
1931         Location *location = new Location (where, where, markername, Location::IsMark);
1932         session->begin_reversible_command (_("add marker"));
1933         XMLNode &before = session->locations()->get_state();
1934         session->locations()->add (location, true);
1935         XMLNode &after = session->locations()->get_state();
1936         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
1937         session->commit_reversible_command ();
1938 }
1939
1940 void
1941 Editor::add_location_from_playhead_cursor ()
1942 {
1943         add_location_mark (session->audible_frame());
1944 }
1945
1946 void
1947 Editor::add_locations_from_audio_region ()
1948 {
1949         RegionSelection rs;
1950
1951         get_regions_for_action (rs);
1952
1953         if (rs.empty()) {
1954                 return;
1955         }
1956
1957         session->begin_reversible_command (rs.size () > 1 ? _("add markers") : _("add marker"));
1958         XMLNode &before = session->locations()->get_state();
1959
1960         cerr << "Add locations\n";
1961
1962         for (RegionSelection::iterator i = rs.begin (); i != rs.end (); ++i) {
1963
1964                 boost::shared_ptr<Region> region = (*i)->region ();
1965
1966                 Location *location = new Location (region->position(), region->last_frame(), region->name(), Location::IsRangeMarker);
1967
1968                 session->locations()->add (location, true);
1969         }
1970
1971         XMLNode &after = session->locations()->get_state();
1972         session->add_command (new MementoCommand<Locations>(*(session->locations()), &before, &after));
1973         session->commit_reversible_command ();
1974 }
1975
1976 void
1977 Editor::add_location_from_audio_region ()
1978 {
1979         RegionSelection rs;
1980
1981         get_regions_for_action (rs);
1982
1983         if (rs.empty()) {
1984                 return;
1985         }
1986
1987         session->begin_reversible_command (_("add marker"));
1988         XMLNode &before = session->locations()->get_state();
1989
1990         string markername;
1991
1992         if (rs.size() > 1) {            // more than one region selected
1993                 session->locations()->next_available_name(markername, "regions");
1994         } else {
1995                 RegionView* rv = *(rs.begin());
1996                 boost::shared_ptr<Region> region = rv->region();
1997                 markername = region->name();
1998         }
1999
2000         if (!choose_new_marker_name(markername)) {
2001                 return;
2002         }
2003
2004         cerr << "Add location\n";
2005
2006         // single range spanning all selected
2007         Location *location = new Location (rs.start(), rs.end_frame(), markername, Location::IsRangeMarker);
2008         session->locations()->add (location, true);
2009
2010         XMLNode &after = session->locations()->get_state();
2011         session->add_command (new MementoCommand<Locations>(*(session->locations()), &before, &after));
2012         session->commit_reversible_command ();
2013 }
2014
2015 void
2016 Editor::amplitude_zoom_step (bool in)
2017 {
2018         gdouble zoom = 1.0;
2019
2020         if (in) {
2021                 zoom *= 2.0;
2022         } else {
2023                 if (zoom > 2.0) {
2024                         zoom /= 2.0;
2025                 } else {
2026                         zoom = 1.0;
2027                 }
2028         }
2029
2030 #ifdef FIX_FOR_CANVAS
2031         /* XXX DO SOMETHING */
2032 #endif
2033 }
2034
2035
2036 /* DELETION */
2037
2038
2039 void
2040 Editor::delete_sample_forward ()
2041 {
2042 }
2043
2044 void
2045 Editor::delete_sample_backward ()
2046 {
2047 }
2048
2049 void
2050 Editor::delete_screen ()
2051 {
2052 }
2053
2054 /* SEARCH */
2055
2056 void
2057 Editor::search_backwards ()
2058 {
2059         /* what ? */
2060 }
2061
2062 void
2063 Editor::search_forwards ()
2064 {
2065         /* what ? */
2066 }
2067
2068 /* MARKS */
2069
2070 void
2071 Editor::jump_forward_to_mark ()
2072 {
2073         if (!session) {
2074                 return;
2075         }
2076
2077         Location *location = session->locations()->first_location_after (playhead_cursor->current_frame);
2078
2079         if (location) {
2080                 session->request_locate (location->start(), session->transport_rolling());
2081         } else {
2082                 session->request_locate (session->current_end_frame());
2083         }
2084 }
2085
2086 void
2087 Editor::jump_backward_to_mark ()
2088 {
2089         if (!session) {
2090                 return;
2091         }
2092
2093         Location *location = session->locations()->first_location_before (playhead_cursor->current_frame);
2094
2095         if (location) {
2096                 session->request_locate (location->start(), session->transport_rolling());
2097         } else {
2098                 session->goto_start ();
2099         }
2100 }
2101
2102 void
2103 Editor::set_mark ()
2104 {
2105         nframes64_t pos;
2106         float prefix;
2107         bool was_floating;
2108         string markername;
2109
2110         if (get_prefix (prefix, was_floating)) {
2111                 pos = session->audible_frame ();
2112         } else {
2113                 if (was_floating) {
2114                         pos = (nframes64_t) floor (prefix * session->frame_rate ());
2115                 } else {
2116                         pos = (nframes64_t) floor (prefix);
2117                 }
2118         }
2119
2120         session->locations()->next_available_name(markername,"mark");
2121         if (!choose_new_marker_name(markername)) {
2122                 return;
2123         }
2124         session->locations()->add (new Location (pos, 0, markername, Location::IsMark), true);
2125 }
2126
2127 void
2128 Editor::clear_markers ()
2129 {
2130         if (session) {
2131                 session->begin_reversible_command (_("clear markers"));
2132                 XMLNode &before = session->locations()->get_state();
2133                 session->locations()->clear_markers ();
2134                 XMLNode &after = session->locations()->get_state();
2135                 session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
2136                 session->commit_reversible_command ();
2137         }
2138 }
2139
2140 void
2141 Editor::clear_ranges ()
2142 {
2143         if (session) {
2144                 session->begin_reversible_command (_("clear ranges"));
2145                 XMLNode &before = session->locations()->get_state();
2146
2147                 Location * looploc = session->locations()->auto_loop_location();
2148                 Location * punchloc = session->locations()->auto_punch_location();
2149
2150                 session->locations()->clear_ranges ();
2151                 // re-add these
2152                 if (looploc) session->locations()->add (looploc);
2153                 if (punchloc) session->locations()->add (punchloc);
2154
2155                 XMLNode &after = session->locations()->get_state();
2156                 session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
2157                 session->commit_reversible_command ();
2158         }
2159 }
2160
2161 void
2162 Editor::clear_locations ()
2163 {
2164         session->begin_reversible_command (_("clear locations"));
2165         XMLNode &before = session->locations()->get_state();
2166         session->locations()->clear ();
2167         XMLNode &after = session->locations()->get_state();
2168         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
2169         session->commit_reversible_command ();
2170         session->locations()->clear ();
2171 }
2172
2173 void
2174 Editor::unhide_markers ()
2175 {
2176         for (LocationMarkerMap::iterator i = location_markers.begin(); i != location_markers.end(); ++i) {
2177                 Location *l = (*i).first;
2178                 if (l->is_hidden() && l->is_mark()) {
2179                         l->set_hidden(false, this);
2180                 }
2181         }
2182 }
2183
2184 void
2185 Editor::unhide_ranges ()
2186 {
2187         for (LocationMarkerMap::iterator i = location_markers.begin(); i != location_markers.end(); ++i) {
2188                 Location *l = (*i).first;
2189                 if (l->is_hidden() && l->is_range_marker()) {
2190                         l->set_hidden(false, this);
2191                 }
2192         }
2193 }
2194
2195 /* INSERT/REPLACE */
2196
2197 void
2198 Editor::insert_region_list_drag (boost::shared_ptr<Region> region, int x, int y)
2199 {
2200         double wx, wy;
2201         double cx, cy;
2202         nframes64_t where;
2203         RouteTimeAxisView *rtv = 0;
2204         boost::shared_ptr<Playlist> playlist;
2205
2206         track_canvas->window_to_world (x, y, wx, wy);
2207         //wx += horizontal_adjustment.get_value();
2208         //wy += vertical_adjustment.get_value();
2209
2210         GdkEvent event;
2211         event.type = GDK_BUTTON_RELEASE;
2212         event.button.x = wx;
2213         event.button.y = wy;
2214
2215         where = event_frame (&event, &cx, &cy);
2216
2217         if (where < leftmost_frame || where > leftmost_frame + current_page_frames()) {
2218                 /* clearly outside canvas area */
2219                 return;
2220         }
2221
2222         std::pair<TimeAxisView*, int> tv = trackview_by_y_position (cy);
2223         if (tv.first == 0) {
2224                 return;
2225         }
2226
2227         if ((rtv = dynamic_cast<RouteTimeAxisView*> (tv.first)) == 0) {
2228                 return;
2229         }
2230
2231         if ((playlist = rtv->playlist()) == 0) {
2232                 return;
2233         }
2234
2235         snap_to (where);
2236
2237         begin_reversible_command (_("insert dragged region"));
2238         XMLNode &before = playlist->get_state();
2239         playlist->add_region (RegionFactory::create (region), where, 1.0);
2240         session->add_command(new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
2241         commit_reversible_command ();
2242 }
2243
2244 void
2245 Editor::insert_route_list_drag (boost::shared_ptr<Route> route, int x, int y) {
2246         double wx, wy;
2247         double cx, cy;
2248         nframes_t where;
2249         RouteTimeAxisView *dest_rtv = 0;
2250         RouteTimeAxisView *source_rtv = 0;
2251
2252         track_canvas->window_to_world (x, y, wx, wy);
2253         wx += horizontal_adjustment.get_value();
2254         wy += vertical_adjustment.get_value();
2255
2256         GdkEvent event;
2257         event.type = GDK_BUTTON_RELEASE;
2258         event.button.x = wx;
2259         event.button.y = wy;
2260
2261         where = event_frame (&event, &cx, &cy);
2262
2263         std::pair<TimeAxisView*, int> const tv = trackview_by_y_position (cy);
2264         if (tv.first == 0) {
2265                 return;
2266         }
2267
2268         if ((dest_rtv = dynamic_cast<RouteTimeAxisView*> (tv.first)) == 0) {
2269                 return;
2270         }
2271
2272         /* use this drag source to add underlay to a track. But we really don't care
2273            about the Route, only the view of the route, so find it first */
2274         for(TrackViewList::iterator it = track_views.begin(); it != track_views.end(); ++it) {
2275                 if((source_rtv = dynamic_cast<RouteTimeAxisView*>(*it)) == 0) {
2276                         continue;
2277                 }
2278
2279                 if(source_rtv->route() == route && source_rtv != dest_rtv) {
2280                         dest_rtv->add_underlay(source_rtv->view());
2281                         break;
2282                 }
2283         }
2284 }
2285
2286 void
2287 Editor::insert_region_list_selection (float times)
2288 {
2289         RouteTimeAxisView *tv = 0;
2290         boost::shared_ptr<Playlist> playlist;
2291
2292         if (clicked_routeview != 0) {
2293                 tv = clicked_routeview;
2294         } else if (!selection->tracks.empty()) {
2295                 if ((tv = dynamic_cast<RouteTimeAxisView*>(selection->tracks.front())) == 0) {
2296                         return;
2297                 }
2298         } else if (entered_track != 0) {
2299                 if ((tv = dynamic_cast<RouteTimeAxisView*>(entered_track)) == 0) {
2300                         return;
2301                 }
2302         } else {
2303                 return;
2304         }
2305
2306         if ((playlist = tv->playlist()) == 0) {
2307                 return;
2308         }
2309
2310         boost::shared_ptr<Region> region = _regions->get_single_selection ();
2311         if (region == 0) {
2312                 return;
2313         }
2314
2315         begin_reversible_command (_("insert region"));
2316         XMLNode &before = playlist->get_state();
2317         playlist->add_region ((RegionFactory::create (region)), get_preferred_edit_position(), times);
2318         session->add_command(new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
2319         commit_reversible_command ();
2320 }
2321
2322 /* BUILT-IN EFFECTS */
2323
2324 void
2325 Editor::reverse_selection ()
2326 {
2327
2328 }
2329
2330 /* GAIN ENVELOPE EDITING */
2331
2332 void
2333 Editor::edit_envelope ()
2334 {
2335 }
2336
2337 /* PLAYBACK */
2338
2339 void
2340 Editor::transition_to_rolling (bool fwd)
2341 {
2342         if (!session) {
2343                 return;
2344         }
2345
2346         switch (Config->get_slave_source()) {
2347         case None:
2348         case JACK:
2349                 break;
2350         default:
2351                 /* transport controlled by the master */
2352                 return;
2353         }
2354
2355         if (session->is_auditioning()) {
2356                 session->cancel_audition ();
2357                 return;
2358         }
2359
2360         session->request_transport_speed (fwd ? 1.0f : -1.0f);
2361 }
2362
2363 void
2364 Editor::toggle_playback (bool with_abort)
2365 {
2366         if (!session) {
2367                 return;
2368         }
2369
2370         switch (Config->get_slave_source()) {
2371         case None:
2372         case JACK:
2373                 break;
2374         default:
2375                 /* transport controlled by the master */
2376                 return;
2377         }
2378
2379         if (session->is_auditioning()) {
2380                 session->cancel_audition ();
2381                 return;
2382         }
2383
2384         if (session->transport_rolling()) {
2385                 session->request_stop (with_abort);
2386                 if (session->get_play_loop()) {
2387                         session->request_play_loop (false);
2388                 }
2389         } else {
2390                 session->request_transport_speed (1.0f);
2391         }
2392 }
2393
2394 void
2395 Editor::play_from_start ()
2396 {
2397         session->request_locate (session->current_start_frame(), true);
2398 }
2399
2400 void
2401 Editor::play_from_edit_point ()
2402 {
2403         session->request_locate (get_preferred_edit_position(), true);
2404 }
2405
2406 void
2407 Editor::play_from_edit_point_and_return ()
2408 {
2409         nframes64_t start_frame;
2410         nframes64_t return_frame;
2411
2412         start_frame = get_preferred_edit_position (true);
2413
2414         if (session->transport_rolling()) {
2415                 session->request_locate (start_frame, false);
2416                 return;
2417         }
2418
2419         /* don't reset the return frame if its already set */
2420
2421         if ((return_frame = session->requested_return_frame()) < 0) {
2422                 return_frame = session->audible_frame();
2423         }
2424
2425         if (start_frame >= 0) {
2426                 session->request_roll_at_and_return (start_frame, return_frame);
2427         }
2428 }
2429
2430 void
2431 Editor::play_selection ()
2432 {
2433         if (selection->time.empty()) {
2434                 return;
2435         }
2436
2437         session->request_play_range (true);
2438 }
2439
2440 void
2441 Editor::loop_selected_region ()
2442 {
2443         RegionSelection rs;
2444
2445         get_regions_for_action (rs);
2446
2447         if (!rs.empty()) {
2448                 RegionView *rv = *(rs.begin());
2449                 Location* tll;
2450
2451                 if ((tll = transport_loop_location()) != 0)  {
2452
2453                         tll->set (rv->region()->position(), rv->region()->last_frame());
2454
2455                         // enable looping, reposition and start rolling
2456
2457                         session->request_play_loop (true);
2458                         session->request_locate (tll->start(), false);
2459                         session->request_transport_speed (1.0f);
2460                 }
2461         }
2462 }
2463
2464 void
2465 Editor::play_location (Location& location)
2466 {
2467         if (location.start() <= location.end()) {
2468                 return;
2469         }
2470
2471         session->request_bounded_roll (location.start(), location.end());
2472 }
2473
2474 void
2475 Editor::loop_location (Location& location)
2476 {
2477         if (location.start() <= location.end()) {
2478                 return;
2479         }
2480
2481         Location* tll;
2482
2483         if ((tll = transport_loop_location()) != 0) {
2484                 tll->set (location.start(), location.end());
2485
2486                 // enable looping, reposition and start rolling
2487                 session->request_play_loop (true);
2488                 session->request_locate (tll->start(), true);
2489         }
2490 }
2491
2492 void
2493 Editor::raise_region ()
2494 {
2495         selection->foreach_region (&Region::raise);
2496 }
2497
2498 void
2499 Editor::raise_region_to_top ()
2500 {
2501         selection->foreach_region (&Region::raise_to_top);
2502 }
2503
2504 void
2505 Editor::lower_region ()
2506 {
2507         selection->foreach_region (&Region::lower);
2508 }
2509
2510 void
2511 Editor::lower_region_to_bottom ()
2512 {
2513         selection->foreach_region (&Region::lower_to_bottom);
2514 }
2515
2516 /** Show the region editor for the selected regions */
2517 void
2518 Editor::edit_region ()
2519 {
2520         selection->foreach_regionview (&RegionView::show_region_editor);
2521 }
2522
2523 void
2524 Editor::rename_region()
2525 {
2526         RegionSelection rs;
2527
2528         get_regions_for_action (rs);
2529
2530         if (rs.empty()) {
2531                 return;
2532         }
2533
2534         WindowTitle title (Glib::get_application_name());
2535         title += _("Rename Region");
2536
2537         ArdourDialog d (*this, title.get_string(), true, false);
2538         Entry entry;
2539         Label label (_("New name:"));
2540         HBox hbox;
2541
2542         hbox.set_spacing (6);
2543         hbox.pack_start (label, false, false);
2544         hbox.pack_start (entry, true, true);
2545
2546         d.get_vbox()->set_border_width (12);
2547         d.get_vbox()->pack_start (hbox, false, false);
2548
2549         d.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
2550         d.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2551
2552         d.set_size_request (300, -1);
2553         d.set_position (Gtk::WIN_POS_MOUSE);
2554
2555         entry.set_text (rs.front()->region()->name());
2556         entry.select_region (0, -1);
2557
2558         entry.signal_activate().connect (bind (mem_fun (d, &Dialog::response), RESPONSE_OK));
2559
2560         d.show_all ();
2561
2562         entry.grab_focus();
2563
2564         int ret = d.run();
2565
2566         d.hide ();
2567
2568         if (ret == RESPONSE_OK) {
2569                 std::string str = entry.get_text();
2570                 strip_whitespace_edges (str);
2571                 if (!str.empty()) {
2572                         rs.front()->region()->set_name (str);
2573                         _regions->redisplay ();
2574                 }
2575         }
2576 }
2577
2578 void
2579 Editor::audition_playlist_region_via_route (boost::shared_ptr<Region> region, Route& route)
2580 {
2581         if (session->is_auditioning()) {
2582                 session->cancel_audition ();
2583         }
2584
2585         // note: some potential for creativity here, because region doesn't
2586         // have to belong to the playlist that Route is handling
2587
2588         // bool was_soloed = route.soloed();
2589
2590         route.set_solo (true, this);
2591
2592         session->request_bounded_roll (region->position(), region->position() + region->length());
2593
2594         /* XXX how to unset the solo state ? */
2595 }
2596
2597 /** Start an audition of the first selected region */
2598 void
2599 Editor::play_edit_range ()
2600 {
2601         nframes64_t start, end;
2602
2603         if (get_edit_op_range (start, end)) {
2604                 session->request_bounded_roll (start, end);
2605         }
2606 }
2607
2608 void
2609 Editor::play_selected_region ()
2610 {
2611         nframes64_t start = max_frames;
2612         nframes64_t end = 0;
2613         RegionSelection rs;
2614
2615         get_regions_for_action (rs);
2616
2617         if (rs.empty()) {
2618                 return;
2619         }
2620
2621         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
2622                 if ((*i)->region()->position() < start) {
2623                         start = (*i)->region()->position();
2624                 }
2625                 if ((*i)->region()->last_frame() + 1 > end) {
2626                         end = (*i)->region()->last_frame() + 1;
2627                 }
2628         }
2629
2630         session->request_stop ();
2631         session->request_bounded_roll (start, end);
2632 }
2633
2634 void
2635 Editor::audition_playlist_region_standalone (boost::shared_ptr<Region> region)
2636 {
2637         session->audition_region (region);
2638 }
2639
2640 void
2641 Editor::build_interthread_progress_window ()
2642 {
2643         interthread_progress_window = new ArdourDialog (X_("interthread progress"), true);
2644
2645         interthread_progress_bar.set_orientation (Gtk::PROGRESS_LEFT_TO_RIGHT);
2646
2647         interthread_progress_window->set_border_width (12);
2648         interthread_progress_window->get_vbox()->set_spacing (6);
2649
2650         interthread_progress_label.set_alignment (0.5, 0.5);
2651
2652         interthread_progress_window->get_vbox()->pack_start (interthread_progress_label, false, false);
2653         interthread_progress_window->get_vbox()->pack_start (interthread_progress_bar,false, false);
2654
2655         // GTK2FIX: this button needs a modifiable label
2656
2657         Button* b = interthread_progress_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
2658         b->signal_clicked().connect (mem_fun(*this, &Editor::interthread_cancel_clicked));
2659
2660         interthread_cancel_button.add (interthread_cancel_label);
2661
2662         interthread_progress_window->set_default_size (200, 100);
2663 }
2664
2665 void
2666 Editor::interthread_cancel_clicked ()
2667 {
2668         if (current_interthread_info) {
2669                 current_interthread_info->cancel = true;
2670         }
2671 }
2672
2673 void
2674 Editor::region_from_selection ()
2675 {
2676         if (clicked_axisview == 0) {
2677                 return;
2678         }
2679
2680         if (selection->time.empty()) {
2681                 return;
2682         }
2683
2684         nframes64_t start = selection->time[clicked_selection].start;
2685         nframes64_t end = selection->time[clicked_selection].end;
2686
2687         TrackSelection tracks = get_tracks_for_range_action ();
2688
2689         nframes64_t selection_cnt = end - start + 1;
2690
2691         for (TrackSelection::iterator i = tracks.begin(); i != tracks.end(); ++i) {
2692                 boost::shared_ptr<Region> current;
2693                 boost::shared_ptr<Playlist> pl;
2694                 nframes64_t internal_start;
2695                 string new_name;
2696
2697                 if ((pl = (*i)->playlist()) == 0) {
2698                         continue;
2699                 }
2700
2701                 if ((current = pl->top_region_at (start)) == 0) {
2702                         continue;
2703                 }
2704
2705                 internal_start = start - current->position();
2706                 session->region_name (new_name, current->name(), true);
2707                 boost::shared_ptr<Region> region (RegionFactory::create (current,
2708                                 internal_start, selection_cnt, new_name));
2709         }
2710 }
2711
2712 void
2713 Editor::create_region_from_selection (vector<boost::shared_ptr<Region> >& new_regions)
2714 {
2715         if (selection->time.empty() || selection->tracks.empty()) {
2716                 return;
2717         }
2718
2719         nframes64_t start = selection->time[clicked_selection].start;
2720         nframes64_t end = selection->time[clicked_selection].end;
2721
2722         sort_track_selection ();
2723
2724         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
2725                 boost::shared_ptr<Region> current;
2726                 boost::shared_ptr<Playlist> playlist;
2727                 nframes64_t internal_start;
2728                 string new_name;
2729
2730                 if ((playlist = (*i)->playlist()) == 0) {
2731                         continue;
2732                 }
2733
2734                 if ((current = playlist->top_region_at(start)) == 0) {
2735                         continue;
2736                 }
2737
2738                 internal_start = start - current->position();
2739                 session->region_name (new_name, current->name(), true);
2740
2741                 new_regions.push_back (RegionFactory::create (current,
2742                                         internal_start, end - start + 1, new_name));
2743         }
2744 }
2745
2746 void
2747 Editor::split_multichannel_region ()
2748 {
2749         RegionSelection rs;
2750
2751         get_regions_for_action (rs);
2752
2753         if (rs.empty()) {
2754                 return;
2755         }
2756
2757         vector< boost::shared_ptr<Region> > v;
2758
2759         for (list<RegionView*>::iterator x = rs.begin(); x != rs.end(); ++x) {
2760                 (*x)->region()->separate_by_channel (*session, v);
2761         }
2762 }
2763
2764 void
2765 Editor::new_region_from_selection ()
2766 {
2767         region_from_selection ();
2768         cancel_selection ();
2769 }
2770
2771 static void
2772 add_if_covered (RegionView* rv, const AudioRange* ar, RegionSelection* rs)
2773 {
2774         switch (rv->region()->coverage (ar->start, ar->end - 1)) {
2775         case OverlapNone:
2776                 break;
2777         default:
2778                 rs->push_back (rv);
2779         }
2780 }
2781
2782 /** Return either:
2783  *    - selected tracks, or if there are none...
2784  *    - tracks containing selected regions, or if there are none...
2785  *    - all tracks
2786  * @return tracks.
2787  */
2788 TrackSelection
2789 Editor::get_tracks_for_range_action () const
2790 {
2791         TrackSelection t;
2792
2793         if (selection->tracks.empty()) {
2794
2795                 /* use tracks with selected regions */
2796
2797                 RegionSelection rs = selection->regions;
2798
2799                 for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
2800                         TimeAxisView* tv = &(*i)->get_time_axis_view();
2801
2802                         if (!t.contains (tv)) {
2803                                 t.push_back (tv);
2804                         }
2805                 }
2806
2807                 if (t.empty()) {
2808                         /* no regions and no tracks: use all tracks */
2809                         t = track_views;
2810                 }
2811
2812         } else {
2813
2814                 t = selection->tracks;
2815         }
2816
2817         return t;
2818 }
2819
2820 void
2821 Editor::separate_regions_between (const TimeSelection& ts)
2822 {
2823         bool in_command = false;
2824         boost::shared_ptr<Playlist> playlist;
2825         RegionSelection new_selection;
2826
2827         TrackSelection tmptracks = get_tracks_for_range_action ();
2828         sort_track_selection (&tmptracks);
2829
2830         for (TrackSelection::iterator i = tmptracks.begin(); i != tmptracks.end(); ++i) {
2831
2832                 RouteTimeAxisView* rtv;
2833
2834                 if ((rtv = dynamic_cast<RouteTimeAxisView*> ((*i))) != 0) {
2835
2836                         if (rtv->is_track()) {
2837
2838                                 /* no edits to destructive tracks */
2839
2840                                 if (rtv->track()->diskstream()->destructive()) {
2841                                         continue;
2842                                 }
2843
2844                                 if ((playlist = rtv->playlist()) != 0) {
2845
2846                                         XMLNode *before;
2847                                         bool got_some;
2848
2849                                         before = &(playlist->get_state());
2850                                         got_some = false;
2851
2852                                         /* XXX need to consider musical time selections here at some point */
2853
2854                                         double speed = rtv->get_diskstream()->speed();
2855
2856
2857                                         for (list<AudioRange>::const_iterator t = ts.begin(); t != ts.end(); ++t) {
2858
2859                                                 sigc::connection c = rtv->view()->RegionViewAdded.connect (
2860                                                                 mem_fun(*this, &Editor::collect_new_region_view));
2861                                                 latest_regionviews.clear ();
2862
2863                                                 playlist->partition ((nframes64_t)((*t).start * speed),
2864                                                                 (nframes64_t)((*t).end * speed), true);
2865
2866                                                 c.disconnect ();
2867
2868                                                 if (!latest_regionviews.empty()) {
2869
2870                                                         got_some = true;
2871
2872                                                         rtv->view()->foreach_regionview (bind (
2873                                                                                 sigc::ptr_fun (add_if_covered),
2874                                                                                 &(*t), &new_selection));
2875
2876                                                         if (!in_command) {
2877                                                                 begin_reversible_command (_("separate"));
2878                                                                 in_command = true;
2879                                                         }
2880
2881                                                         session->add_command(new MementoCommand<Playlist>(
2882                                                                         *playlist, before, &playlist->get_state()));
2883                                                 }
2884                                         }
2885
2886                                         if (!got_some) {
2887                                                 delete before;
2888                                         }
2889                                 }
2890                         }
2891                 }
2892         }
2893
2894         if (in_command) {
2895                 selection->set (new_selection);
2896                 set_mouse_mode (MouseObject);
2897
2898                 commit_reversible_command ();
2899         }
2900 }
2901
2902 /** Take tracks from get_tracks_for_range_action and cut any regions
2903  *  on those tracks so that the tracks are empty over the time
2904  *  selection.
2905  */
2906 void
2907 Editor::separate_region_from_selection ()
2908 {
2909         /* preferentially use *all* ranges in the time selection if we're in range mode
2910            to allow discontiguous operation, since get_edit_op_range() currently
2911            returns a single range.
2912         */
2913
2914         if (mouse_mode == MouseRange && !selection->time.empty()) {
2915
2916                 separate_regions_between (selection->time);
2917
2918         } else {
2919
2920                 nframes64_t start;
2921                 nframes64_t end;
2922
2923                 if (get_edit_op_range (start, end)) {
2924
2925                         AudioRange ar (start, end, 1);
2926                         TimeSelection ts;
2927                         ts.push_back (ar);
2928
2929                         separate_regions_between (ts);
2930                 }
2931         }
2932 }
2933
2934 void
2935 Editor::separate_region_from_punch ()
2936 {
2937         Location* loc  = session->locations()->auto_punch_location();
2938         if (loc) {
2939                 separate_regions_using_location (*loc);
2940         }
2941 }
2942
2943 void
2944 Editor::separate_region_from_loop ()
2945 {
2946         Location* loc  = session->locations()->auto_loop_location();
2947         if (loc) {
2948                 separate_regions_using_location (*loc);
2949         }
2950 }
2951
2952 void
2953 Editor::separate_regions_using_location (Location& loc)
2954 {
2955         if (loc.is_mark()) {
2956                 return;
2957         }
2958
2959         AudioRange ar (loc.start(), loc.end(), 1);
2960         TimeSelection ts;
2961
2962         ts.push_back (ar);
2963
2964         separate_regions_between (ts);
2965 }
2966
2967 void
2968 Editor::crop_region_to_selection ()
2969 {
2970         if (!selection->time.empty()) {
2971
2972                 crop_region_to (selection->time.start(), selection->time.end_frame());
2973
2974         } else {
2975
2976                 nframes64_t start;
2977                 nframes64_t end;
2978
2979                 if (get_edit_op_range (start, end)) {
2980                         crop_region_to (start, end);
2981                 }
2982         }
2983
2984 }
2985
2986 void
2987 Editor::crop_region_to (nframes64_t start, nframes64_t end)
2988 {
2989         vector<boost::shared_ptr<Playlist> > playlists;
2990         boost::shared_ptr<Playlist> playlist;
2991         TrackSelection* ts;
2992
2993         if (selection->tracks.empty()) {
2994                 ts = &track_views;
2995         } else {
2996                 sort_track_selection ();
2997                 ts = &selection->tracks;
2998         }
2999
3000         for (TrackSelection::iterator i = ts->begin(); i != ts->end(); ++i) {
3001
3002                 RouteTimeAxisView* rtv;
3003
3004                 if ((rtv = dynamic_cast<RouteTimeAxisView*> ((*i))) != 0) {
3005
3006                         boost::shared_ptr<Track> t = rtv->track();
3007
3008                         if (t != 0 && ! t->diskstream()->destructive()) {
3009
3010                                 if ((playlist = rtv->playlist()) != 0) {
3011                                         playlists.push_back (playlist);
3012                                 }
3013                         }
3014                 }
3015         }
3016
3017         if (playlists.empty()) {
3018                 return;
3019         }
3020
3021         nframes64_t the_start;
3022         nframes64_t the_end;
3023         nframes64_t cnt;
3024
3025         begin_reversible_command (_("trim to selection"));
3026
3027         for (vector<boost::shared_ptr<Playlist> >::iterator i = playlists.begin(); i != playlists.end(); ++i) {
3028
3029                 boost::shared_ptr<Region> region;
3030
3031                 the_start = start;
3032
3033                 if ((region = (*i)->top_region_at(the_start)) == 0) {
3034                         continue;
3035                 }
3036
3037                 /* now adjust lengths to that we do the right thing
3038                    if the selection extends beyond the region
3039                 */
3040
3041                 the_start = max (the_start, (nframes64_t) region->position());
3042                 if (max_frames - the_start < region->length()) {
3043                         the_end = the_start + region->length() - 1;
3044                 } else {
3045                         the_end = max_frames;
3046                 }
3047                 the_end = min (end, the_end);
3048                 cnt = the_end - the_start + 1;
3049
3050                 XMLNode &before = (*i)->get_state();
3051                 region->trim_to (the_start, cnt, this);
3052                 XMLNode &after = (*i)->get_state();
3053                 session->add_command (new MementoCommand<Playlist>(*(*i), &before, &after));
3054         }
3055
3056         commit_reversible_command ();
3057 }
3058
3059 void
3060 Editor::region_fill_track ()
3061 {
3062         nframes64_t end;
3063         RegionSelection rs;
3064
3065         get_regions_for_action (rs);
3066
3067         if (!session || rs.empty()) {
3068                 return;
3069         }
3070
3071         end = session->current_end_frame ();
3072
3073         begin_reversible_command (_("region fill"));
3074
3075         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
3076
3077                 boost::shared_ptr<Region> region ((*i)->region());
3078
3079                 // FIXME
3080                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
3081                 assert(ar);
3082
3083                 boost::shared_ptr<Playlist> pl = region->playlist();
3084
3085                 if (end <= region->last_frame()) {
3086                         return;
3087                 }
3088
3089                 double times = (double) (end - region->last_frame()) / (double) region->length();
3090
3091                 if (times == 0) {
3092                         return;
3093                 }
3094
3095                 XMLNode &before = pl->get_state();
3096                 pl->add_region (RegionFactory::create (ar), ar->last_frame(), times);
3097                 session->add_command (new MementoCommand<Playlist>(*pl, &before, &pl->get_state()));
3098         }
3099
3100         commit_reversible_command ();
3101 }
3102
3103 void
3104 Editor::region_fill_selection ()
3105 {
3106         if (clicked_routeview == 0 || !clicked_routeview->is_audio_track()) {
3107                 return;
3108         }
3109
3110         if (selection->time.empty()) {
3111                 return;
3112         }
3113
3114         boost::shared_ptr<Region> region = _regions->get_single_selection ();
3115         if (region == 0) {
3116                 return;
3117         }
3118
3119         nframes64_t start = selection->time[clicked_selection].start;
3120         nframes64_t end = selection->time[clicked_selection].end;
3121
3122         boost::shared_ptr<Playlist> playlist;
3123
3124         if (selection->tracks.empty()) {
3125                 return;
3126         }
3127
3128         nframes64_t selection_length = end - start;
3129         float times = (float)selection_length / region->length();
3130
3131         begin_reversible_command (_("fill selection"));
3132
3133         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3134
3135                 if ((playlist = (*i)->playlist()) == 0) {
3136                         continue;
3137                 }
3138
3139                 XMLNode &before = playlist->get_state();
3140                 playlist->add_region (RegionFactory::create (region), start, times);
3141                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
3142         }
3143
3144         commit_reversible_command ();
3145 }
3146
3147 void
3148 Editor::set_region_sync_from_edit_point ()
3149 {
3150         nframes64_t where = get_preferred_edit_position ();
3151         RegionSelection rs;
3152         get_regions_for_action (rs);
3153         set_sync_point (where, rs);
3154 }
3155
3156 void
3157 Editor::set_sync_point (nframes64_t where, const RegionSelection& rs)
3158 {
3159         bool in_command = false;
3160
3161         for (RegionSelection::const_iterator r = rs.begin(); r != rs.end(); ++r) {
3162
3163                 if (!(*r)->region()->covers (where)) {
3164                         continue;
3165                 }
3166
3167                 boost::shared_ptr<Region> region ((*r)->region());
3168
3169                 if (!in_command) {
3170                         begin_reversible_command (_("set sync point"));
3171                         in_command = true;
3172                 }
3173
3174                 XMLNode &before = region->playlist()->get_state();
3175                 region->set_sync_position (get_preferred_edit_position());
3176                 XMLNode &after = region->playlist()->get_state();
3177                 session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
3178         }
3179
3180         if (in_command) {
3181                 commit_reversible_command ();
3182         }
3183 }
3184
3185 /** Remove the sync positions of the selection */
3186 void
3187 Editor::remove_region_sync ()
3188 {
3189         RegionSelection rs;
3190
3191         get_regions_for_action (rs);
3192
3193         if (rs.empty()) {
3194                 return;
3195         }
3196
3197         begin_reversible_command (_("remove sync"));
3198         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
3199
3200                 XMLNode &before = (*i)->region()->playlist()->get_state();
3201                 (*i)->region()->clear_sync_position ();
3202                 XMLNode &after = (*i)->region()->playlist()->get_state();
3203                 session->add_command(new MementoCommand<Playlist>(*((*i)->region()->playlist()), &before, &after));
3204         }
3205         commit_reversible_command ();
3206 }
3207
3208 void
3209 Editor::naturalize ()
3210 {
3211         RegionSelection rs;
3212
3213         get_regions_for_action (rs);
3214
3215         if (rs.empty()) {
3216                 return;
3217         }
3218
3219         begin_reversible_command (_("naturalize"));
3220         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
3221                 XMLNode &before = (*i)->region()->get_state();
3222                 (*i)->region()->move_to_natural_position (this);
3223                 XMLNode &after = (*i)->region()->get_state();
3224                 session->add_command (new MementoCommand<Region>(*((*i)->region().get()), &before, &after));
3225         }
3226         commit_reversible_command ();
3227 }
3228
3229 void
3230 Editor::align (RegionPoint what)
3231 {
3232         RegionSelection rs;
3233
3234         get_regions_for_action (rs);
3235         nframes64_t where = get_preferred_edit_position();
3236
3237         if (!rs.empty()) {
3238                 align_selection (what, where, rs);
3239         } else {
3240
3241                 RegionSelection rs;
3242                 get_regions_at (rs, where, selection->tracks);
3243                 align_selection (what, where, rs);
3244         }
3245 }
3246
3247 void
3248 Editor::align_relative (RegionPoint what)
3249 {
3250         nframes64_t where = get_preferred_edit_position();
3251         RegionSelection rs;
3252
3253         get_regions_for_action (rs);
3254
3255         if (!rs.empty()) {
3256                 align_selection_relative (what, where, rs);
3257         }
3258 }
3259
3260 struct RegionSortByTime {
3261     bool operator() (const RegionView* a, const RegionView* b) {
3262             return a->region()->position() < b->region()->position();
3263     }
3264 };
3265
3266 void
3267 Editor::align_selection_relative (RegionPoint point, nframes64_t position, const RegionSelection& rs)
3268 {
3269         if (rs.empty()) {
3270                 return;
3271         }
3272
3273         nframes64_t distance = 0;
3274         nframes64_t pos = 0;
3275         int dir = 1;
3276
3277         list<RegionView*> sorted;
3278         rs.by_position (sorted);
3279
3280         boost::shared_ptr<Region> r ((*sorted.begin())->region());
3281
3282         switch (point) {
3283         case Start:
3284                 pos = position;
3285                 if (position > r->position()) {
3286                         distance = position - r->position();
3287                 } else {
3288                         distance = r->position() - position;
3289                         dir = -1;
3290                 }
3291                 break;
3292
3293         case End:
3294                 if (position > r->last_frame()) {
3295                         distance = position - r->last_frame();
3296                         pos = r->position() + distance;
3297                 } else {
3298                         distance = r->last_frame() - position;
3299                         pos = r->position() - distance;
3300                         dir = -1;
3301                 }
3302                 break;
3303
3304         case SyncPoint:
3305                 pos = r->adjust_to_sync (position);
3306                 if (pos > r->position()) {
3307                         distance = pos - r->position();
3308                 } else {
3309                         distance = r->position() - pos;
3310                         dir = -1;
3311                 }
3312                 break;
3313         }
3314
3315         if (pos == r->position()) {
3316                 return;
3317         }
3318
3319         begin_reversible_command (_("align selection (relative)"));
3320
3321         /* move first one specially */
3322
3323         XMLNode &before = r->playlist()->get_state();
3324         r->set_position (pos, this);
3325         XMLNode &after = r->playlist()->get_state();
3326         session->add_command(new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
3327
3328         /* move rest by the same amount */
3329
3330         sorted.pop_front();
3331
3332         for (list<RegionView*>::iterator i = sorted.begin(); i != sorted.end(); ++i) {
3333
3334                 boost::shared_ptr<Region> region ((*i)->region());
3335
3336                 XMLNode &before = region->playlist()->get_state();
3337
3338                 if (dir > 0) {
3339                         region->set_position (region->position() + distance, this);
3340                 } else {
3341                         region->set_position (region->position() - distance, this);
3342                 }
3343
3344                 XMLNode &after = region->playlist()->get_state();
3345                 session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
3346
3347         }
3348
3349         commit_reversible_command ();
3350 }
3351
3352 void
3353 Editor::align_selection (RegionPoint point, nframes64_t position, const RegionSelection& rs)
3354 {
3355         if (rs.empty()) {
3356                 return;
3357         }
3358
3359         begin_reversible_command (_("align selection"));
3360
3361         for (RegionSelection::const_iterator i = rs.begin(); i != rs.end(); ++i) {
3362                 align_region_internal ((*i)->region(), point, position);
3363         }
3364
3365         commit_reversible_command ();
3366 }
3367
3368 void
3369 Editor::align_region (boost::shared_ptr<Region> region, RegionPoint point, nframes64_t position)
3370 {
3371         begin_reversible_command (_("align region"));
3372         align_region_internal (region, point, position);
3373         commit_reversible_command ();
3374 }
3375
3376 void
3377 Editor::align_region_internal (boost::shared_ptr<Region> region, RegionPoint point, nframes64_t position)
3378 {
3379         XMLNode &before = region->playlist()->get_state();
3380
3381         switch (point) {
3382         case SyncPoint:
3383                 region->set_position (region->adjust_to_sync (position), this);
3384                 break;
3385
3386         case End:
3387                 if (position > region->length()) {
3388                         region->set_position (position - region->length(), this);
3389                 }
3390                 break;
3391
3392         case Start:
3393                 region->set_position (position, this);
3394                 break;
3395         }
3396
3397         XMLNode &after = region->playlist()->get_state();
3398         session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
3399 }
3400
3401 void
3402 Editor::trim_region_front ()
3403 {
3404         trim_region (true);
3405 }
3406
3407 void
3408 Editor::trim_region_back ()
3409 {
3410         trim_region (false);
3411 }
3412
3413 void
3414 Editor::trim_region (bool front)
3415 {
3416         nframes64_t where = get_preferred_edit_position();
3417         RegionSelection rs;
3418
3419         get_regions_for_action (rs);
3420
3421         if (rs.empty()) {
3422                 return;
3423         }
3424
3425         begin_reversible_command (front ? _("trim front") : _("trim back"));
3426
3427         for (list<RegionView*>::const_iterator i = rs.by_layer().begin(); i != rs.by_layer().end(); ++i) {
3428                 if (!(*i)->region()->locked()) {
3429                         boost::shared_ptr<Playlist> pl = (*i)->region()->playlist();
3430                         XMLNode &before = pl->get_state();
3431                         if (front) {
3432                                 (*i)->region()->trim_front (where, this);
3433                         } else {
3434                                 (*i)->region()->trim_end (where, this);
3435                         }
3436                         XMLNode &after = pl->get_state();
3437                         session->add_command(new MementoCommand<Playlist>(*pl.get(), &before, &after));
3438                 }
3439         }
3440
3441         commit_reversible_command ();
3442 }
3443
3444 /** Trim the end of the selected regions to the position of the edit cursor */
3445 void
3446 Editor::trim_region_to_loop ()
3447 {
3448         Location* loc = session->locations()->auto_loop_location();
3449         if (!loc) {
3450                 return;
3451         }
3452         trim_region_to_location (*loc, _("trim to loop"));
3453 }
3454
3455 void
3456 Editor::trim_region_to_punch ()
3457 {
3458         Location* loc = session->locations()->auto_punch_location();
3459         if (!loc) {
3460                 return;
3461         }
3462         trim_region_to_location (*loc, _("trim to punch"));
3463 }
3464 void
3465 Editor::trim_region_to_location (const Location& loc, const char* str)
3466 {
3467         RegionSelection rs;
3468
3469         get_regions_for_action (rs);
3470
3471         begin_reversible_command (str);
3472
3473         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3474                 RegionView* rv = (*x);
3475
3476                 /* require region to span proposed trim */
3477                 switch (rv->region()->coverage (loc.start(), loc.end())) {
3478                 case OverlapInternal:
3479                         break;
3480                 default:
3481                         continue;
3482                 }
3483
3484                 RouteTimeAxisView* tav = dynamic_cast<RouteTimeAxisView*> (&rv->get_time_axis_view());
3485                 if (!tav) {
3486                         return;
3487                 }
3488
3489                 float speed = 1.0;
3490                 nframes64_t start;
3491                 nframes64_t end;
3492
3493                 if (tav->get_diskstream() != 0) {
3494                         speed = tav->get_diskstream()->speed();
3495                 }
3496
3497                 start = session_frame_to_track_frame (loc.start(), speed);
3498                 end = session_frame_to_track_frame (loc.end(), speed);
3499
3500                 XMLNode &before = rv->region()->playlist()->get_state();
3501                 rv->region()->trim_to (start, (end - start), this);
3502                 XMLNode &after = rv->region()->playlist()->get_state();
3503                 session->add_command(new MementoCommand<Playlist>(
3504                                 *(rv->region()->playlist()), &before, &after));
3505         }
3506
3507         commit_reversible_command ();
3508 }
3509
3510 void
3511 Editor::trim_region_to_edit_point ()
3512 {
3513         RegionSelection rs;
3514
3515         get_regions_for_action (rs);
3516
3517         nframes64_t where = get_preferred_edit_position();
3518
3519         begin_reversible_command (_("trim region start to edit point"));
3520
3521         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3522                 RegionView* rv = (*x);
3523
3524                 /* require region to cover trim */
3525                 if (!rv->region()->covers (where)) {
3526                         continue;
3527                 }
3528
3529                 RouteTimeAxisView* tav = dynamic_cast<RouteTimeAxisView*> (&rv->get_time_axis_view());
3530                 if (!tav) {
3531                         return;
3532                 }
3533
3534                 float speed = 1.0;
3535
3536                 if (tav->get_diskstream() != 0) {
3537                         speed = tav->get_diskstream()->speed();
3538                 }
3539
3540                 XMLNode &before = rv->region()->playlist()->get_state();
3541                 rv->region()->trim_end( session_frame_to_track_frame(where, speed), this);
3542                 XMLNode &after = rv->region()->playlist()->get_state();
3543                 session->add_command(new MementoCommand<Playlist>(
3544                                 *(rv->region()->playlist()), &before, &after));
3545         }
3546
3547         commit_reversible_command ();
3548 }
3549
3550 void
3551 Editor::trim_region_from_edit_point ()
3552 {
3553         RegionSelection rs;
3554
3555         get_regions_for_action (rs);
3556
3557         nframes64_t where = get_preferred_edit_position();
3558
3559         begin_reversible_command (_("trim region end to edit point"));
3560
3561         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3562                 RegionView* rv = (*x);
3563
3564                 /* require region to cover trim */
3565                 if (!rv->region()->covers (where)) {
3566                         continue;
3567                 }
3568
3569                 RouteTimeAxisView* tav = dynamic_cast<RouteTimeAxisView*> (&rv->get_time_axis_view());
3570                 if (!tav) {
3571                         return;
3572                 }
3573
3574                 float speed = 1.0;
3575
3576                 if (tav->get_diskstream() != 0) {
3577                         speed = tav->get_diskstream()->speed();
3578                 }
3579
3580                 XMLNode &before = rv->region()->playlist()->get_state();
3581                 rv->region()->trim_front ( session_frame_to_track_frame(where, speed), this);
3582                 XMLNode &after = rv->region()->playlist()->get_state();
3583                 session->add_command(new MementoCommand<Playlist>(
3584                                 *(rv->region()->playlist()), &before, &after));
3585         }
3586
3587         commit_reversible_command ();
3588 }
3589
3590 void
3591 Editor::trim_region_to_previous_region_end ()
3592 {
3593         return trim_to_region(false);
3594 }
3595
3596 void
3597 Editor::trim_region_to_next_region_start ()
3598 {
3599         return trim_to_region(true);
3600 }
3601
3602 void
3603 Editor::trim_to_region(bool forward)
3604 {
3605         RegionSelection rs;
3606
3607         get_regions_for_action (rs);
3608
3609         begin_reversible_command (_("trim to region"));
3610
3611         boost::shared_ptr<Region> next_region;
3612
3613         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3614
3615                 AudioRegionView* arv = dynamic_cast<AudioRegionView*> (*x);
3616
3617                 if (!arv) {
3618                         continue;
3619                 }
3620
3621                 AudioTimeAxisView* atav = dynamic_cast<AudioTimeAxisView*> (&arv->get_time_axis_view());
3622
3623                 if (!atav) {
3624                         return;
3625                 }
3626
3627                 float speed = 1.0;
3628
3629                 if (atav->get_diskstream() != 0) {
3630                         speed = atav->get_diskstream()->speed();
3631                 }
3632
3633
3634                 boost::shared_ptr<Region> region = arv->region();
3635                 boost::shared_ptr<Playlist> playlist (region->playlist());
3636
3637                 XMLNode &before = playlist->get_state();
3638
3639                 if(forward){
3640
3641                     next_region = playlist->find_next_region (region->first_frame(), Start, 1);
3642
3643                     if(!next_region){
3644                         continue;
3645                     }
3646
3647                     region->trim_end((nframes64_t) (next_region->first_frame() * speed), this);
3648                     arv->region_changed (Change (LengthChanged));
3649                 }
3650                 else {
3651
3652                     next_region = playlist->find_next_region (region->first_frame(), Start, 0);
3653
3654                     if(!next_region){
3655                         continue;
3656                     }
3657
3658                     region->trim_front((nframes64_t) ((next_region->last_frame() + 1) * speed), this);
3659                     arv->region_changed (Change (LengthChanged|PositionChanged|StartChanged));
3660                 }
3661
3662                 XMLNode &after = playlist->get_state();
3663                 session->add_command(new MementoCommand<Playlist>(*playlist, &before, &after));
3664         }
3665
3666         commit_reversible_command ();
3667 }
3668
3669 void
3670 Editor::unfreeze_route ()
3671 {
3672         if (clicked_routeview == 0 || !clicked_routeview->is_track()) {
3673                 return;
3674         }
3675
3676         clicked_routeview->track()->unfreeze ();
3677 }
3678
3679 void*
3680 Editor::_freeze_thread (void* arg)
3681 {
3682         PBD::notify_gui_about_thread_creation (pthread_self(), X_("Freeze"));
3683         return static_cast<Editor*>(arg)->freeze_thread ();
3684 }
3685
3686 void*
3687 Editor::freeze_thread ()
3688 {
3689         clicked_routeview->audio_track()->freeze (*current_interthread_info);
3690         current_interthread_info->done = true;
3691         return 0;
3692 }
3693
3694 gint
3695 Editor::freeze_progress_timeout (void */*arg*/)
3696 {
3697         interthread_progress_bar.set_fraction (current_interthread_info->progress);
3698         return !(current_interthread_info->done || current_interthread_info->cancel);
3699 }
3700
3701 void
3702 Editor::freeze_route ()
3703 {
3704         if (clicked_routeview == 0 || !clicked_routeview->is_audio_track()) {
3705                 return;
3706         }
3707
3708         InterThreadInfo itt;
3709
3710         if (interthread_progress_window == 0) {
3711                 build_interthread_progress_window ();
3712         }
3713
3714         WindowTitle title(Glib::get_application_name());
3715         title += _("Freeze");
3716         interthread_progress_window->set_title (title.get_string());
3717         interthread_progress_window->set_position (Gtk::WIN_POS_MOUSE);
3718         interthread_progress_window->show_all ();
3719         interthread_progress_bar.set_fraction (0.0f);
3720         interthread_progress_label.set_text ("");
3721         interthread_cancel_label.set_text (_("Cancel Freeze"));
3722         current_interthread_info = &itt;
3723
3724         interthread_progress_connection =
3725           Glib::signal_timeout().connect (bind (mem_fun(*this, &Editor::freeze_progress_timeout), (gpointer) 0), 100);
3726
3727         itt.done = false;
3728         itt.cancel = false;
3729         itt.progress = 0.0f;
3730
3731         pthread_attr_t attr;
3732         pthread_attr_init(&attr);
3733         pthread_attr_setstacksize(&attr, 500000);
3734
3735         pthread_create_and_store (X_("freezer"), &itt.thread, &attr, _freeze_thread, this);
3736
3737         pthread_attr_destroy(&attr);
3738
3739         track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
3740
3741         while (!itt.done && !itt.cancel) {
3742                 gtk_main_iteration ();
3743         }
3744
3745         interthread_progress_connection.disconnect ();
3746         interthread_progress_window->hide_all ();
3747         current_interthread_info = 0;
3748         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
3749 }
3750
3751 void
3752 Editor::bounce_range_selection (bool replace, bool enable_processing)
3753 {
3754         if (selection->time.empty()) {
3755                 return;
3756         }
3757
3758         TrackSelection views = selection->tracks;
3759
3760         nframes64_t start = selection->time[clicked_selection].start;
3761         nframes64_t end = selection->time[clicked_selection].end;
3762         nframes64_t cnt = end - start + 1;
3763
3764         begin_reversible_command (_("bounce range"));
3765
3766         for (TrackViewList::iterator i = views.begin(); i != views.end(); ++i) {
3767
3768                 RouteTimeAxisView* rtv;
3769
3770                 if ((rtv = dynamic_cast<RouteTimeAxisView*> (*i)) == 0) {
3771                         continue;
3772                 }
3773
3774                 boost::shared_ptr<Playlist> playlist;
3775
3776                 if ((playlist = rtv->playlist()) == 0) {
3777                         return;
3778                 }
3779
3780                 InterThreadInfo itt;
3781
3782                 itt.done = false;
3783                 itt.cancel = false;
3784                 itt.progress = false;
3785
3786                 XMLNode &before = playlist->get_state();
3787                 boost::shared_ptr<Region> r = rtv->track()->bounce_range (start, start+cnt, itt, enable_processing);
3788
3789                 if (replace) {
3790                         list<AudioRange> ranges;
3791                         ranges.push_back (AudioRange (start, start+cnt, 0));
3792                         playlist->cut (ranges); // discard result
3793                         playlist->add_region (r, start);
3794                 }
3795
3796                 XMLNode &after = playlist->get_state();
3797                 session->add_command (new MementoCommand<Playlist> (*playlist, &before, &after));
3798         }
3799
3800         commit_reversible_command ();
3801 }
3802
3803 /** Cut selected regions, automation points or a time range */
3804 void
3805 Editor::cut ()
3806 {
3807         cut_copy (Cut);
3808 }
3809
3810 /** Copy selected regions, automation points or a time range */
3811 void
3812 Editor::copy ()
3813 {
3814         cut_copy (Copy);
3815 }
3816
3817
3818 /** @return true if a Cut, Copy or Clear is possible */
3819 bool
3820 Editor::can_cut_copy () const
3821 {
3822         switch (current_mouse_mode()) {
3823
3824         case MouseObject:
3825                 if (!selection->regions.empty() || !selection->points.empty()) {
3826                         return true;
3827                 }
3828                 break;
3829
3830         case MouseRange:
3831                 if (!selection->time.empty()) {
3832                         return true;
3833                 }
3834                 break;
3835
3836         default:
3837                 break;
3838         }
3839
3840         return false;
3841 }
3842
3843
3844 /** Cut, copy or clear selected regions, automation points or a time range.
3845  * @param op Operation (Cut, Copy or Clear)
3846  */
3847 void
3848 Editor::cut_copy (CutCopyOp op)
3849 {
3850         /* only cancel selection if cut/copy is successful.*/
3851
3852         string opname;
3853
3854         switch (op) {
3855         case Cut:
3856                 opname = _("cut");
3857                 break;
3858         case Copy:
3859                 opname = _("copy");
3860                 break;
3861         case Clear:
3862                 opname = _("clear");
3863                 break;
3864         }
3865
3866         /* if we're deleting something, and the mouse is still pressed,
3867            the thing we started a drag for will be gone when we release
3868            the mouse button(s). avoid this. see part 2 at the end of
3869            this function.
3870         */
3871
3872         if (op == Cut || op == Clear) {
3873                 if (_drag) {
3874                         _drag->item()->ungrab (0);
3875                         delete _drag;
3876                         _drag = 0;
3877                 }
3878         }
3879
3880         cut_buffer->clear ();
3881
3882         if (entered_marker) {
3883
3884                 /* cut/delete op while pointing at a marker */
3885
3886                 bool ignored;
3887                 Location* loc = find_location_from_marker (entered_marker, ignored);
3888
3889                 if (session && loc) {
3890                         Glib::signal_idle().connect (bind (mem_fun(*this, &Editor::really_remove_marker), loc));
3891                 }
3892
3893                 break_drag ();
3894                 delete _drag;
3895                 _drag = 0;
3896
3897                 return;
3898         }
3899
3900         if (internal_editing()) {
3901
3902                 switch (current_mouse_mode()) {
3903                 case MouseObject:
3904                 case MouseRange:
3905                         cut_copy_midi (op);
3906                         break;
3907                 default:
3908                         break;
3909                 }
3910
3911         } else {
3912
3913                 RegionSelection rs;
3914
3915                 /* we only want to cut regions if some are selected */
3916
3917                 if (!selection->regions.empty()) {
3918                         get_regions_for_action (rs);
3919                 }
3920
3921                 switch (current_mouse_mode()) {
3922                 case MouseObject:
3923                         if (!rs.empty() || !selection->points.empty()) {
3924
3925                                 begin_reversible_command (opname + _(" objects"));
3926
3927                                 if (!rs.empty()) {
3928                                         cut_copy_regions (op, rs);
3929
3930                                         if (op == Cut) {
3931                                                 selection->clear_regions ();
3932                                         }
3933                                 }
3934
3935                                 if (!selection->points.empty()) {
3936                                         cut_copy_points (op);
3937
3938                                         if (op == Cut) {
3939                                                 selection->clear_points ();
3940                                         }
3941                                 }
3942
3943                                 commit_reversible_command ();
3944                                 break; // terminate case statement here
3945                         }
3946                         if (!selection->time.empty()) {
3947                                 /* don't cause suprises */
3948                                 break;
3949                         }
3950                         // fall thru if there was nothing selected
3951
3952                 case MouseRange:
3953                         if (selection->time.empty()) {
3954                                 nframes64_t start, end;
3955                                 if (!get_edit_op_range (start, end)) {
3956                                         return;
3957                                 }
3958                                 selection->set ((TimeAxisView*) 0, start, end);
3959                         }
3960
3961                         begin_reversible_command (opname + _(" range"));
3962                         cut_copy_ranges (op);
3963                         commit_reversible_command ();
3964
3965                         if (op == Cut) {
3966                                 selection->clear_time ();
3967                         }
3968
3969                         break;
3970
3971                 default:
3972                         break;
3973                 }
3974         }
3975
3976         if (op == Cut || op == Clear) {
3977                 break_drag ();
3978                 delete _drag;
3979                 _drag = 0;
3980         }
3981 }
3982
3983 /** Cut, copy or clear selected automation points.
3984  * @param op Operation (Cut, Copy or Clear)
3985  */
3986 void
3987 Editor::cut_copy_points (CutCopyOp op)
3988 {
3989         for (PointSelection::iterator i = selection->points.begin(); i != selection->points.end(); ++i) {
3990
3991                 AutomationTimeAxisView* atv = dynamic_cast<AutomationTimeAxisView*>(&(*i).track);
3992
3993                 if (atv) {
3994                         atv->cut_copy_clear_objects (selection->points, op);
3995                 }
3996         }
3997 }
3998
3999 /** Cut, copy or clear selected automation points.
4000  * @param op Operation (Cut, Copy or Clear)
4001  */
4002 void
4003 Editor::cut_copy_midi (CutCopyOp op)
4004 {
4005         for (MidiRegionSelection::iterator i = selection->midi_regions.begin(); i != selection->midi_regions.end(); ++i) {
4006                 MidiRegionView* mrv = *i;
4007                 mrv->cut_copy_clear (op);
4008         }
4009 }
4010
4011 struct PlaylistState {
4012     boost::shared_ptr<Playlist> playlist;
4013     XMLNode*  before;
4014 };
4015
4016 struct lt_playlist {
4017     bool operator () (const PlaylistState& a, const PlaylistState& b) {
4018             return a.playlist < b.playlist;
4019     }
4020 };
4021
4022 struct PlaylistMapping {
4023     TimeAxisView* tv;
4024     boost::shared_ptr<Playlist> pl;
4025
4026     PlaylistMapping (TimeAxisView* tvp) : tv (tvp) {}
4027 };
4028
4029 /** Remove `clicked_regionview' */
4030 void
4031 Editor::remove_clicked_region ()
4032 {
4033         if (clicked_routeview == 0 || clicked_regionview == 0) {
4034                 return;
4035         }
4036
4037         boost::shared_ptr<Playlist> playlist = clicked_routeview->playlist();
4038
4039         begin_reversible_command (_("remove region"));
4040         XMLNode &before = playlist->get_state();
4041         playlist->remove_region (clicked_regionview->region());
4042         XMLNode &after = playlist->get_state();
4043         session->add_command(new MementoCommand<Playlist>(*playlist, &before, &after));
4044         commit_reversible_command ();
4045 }
4046
4047
4048 /** Remove the selected regions */
4049 void
4050 Editor::remove_selected_regions ()
4051 {
4052         RegionSelection rs;
4053         get_regions_for_action (rs);
4054
4055         if (!session) {
4056                 return;
4057         }
4058
4059         if (rs.empty()) {
4060                 return;
4061         }
4062
4063         begin_reversible_command (_("remove region"));
4064
4065         list<boost::shared_ptr<Region> > regions_to_remove;
4066
4067         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4068                 // we can't just remove the region(s) in this loop because
4069                 // this removes them from the RegionSelection, and they thus
4070                 // disappear from underneath the iterator, and the ++i above
4071                 // SEGVs in a puzzling fashion.
4072
4073                 // so, first iterate over the regions to be removed from rs and
4074                 // add them to the regions_to_remove list, and then
4075                 // iterate over the list to actually remove them.
4076
4077                 regions_to_remove.push_back ((*i)->region());
4078         }
4079
4080         vector<PlaylistState> playlists;
4081
4082         for (list<boost::shared_ptr<Region> >::iterator rl = regions_to_remove.begin(); rl != regions_to_remove.end(); ++rl) {
4083
4084                 boost::shared_ptr<Playlist> playlist = (*rl)->playlist();
4085
4086                 if (!playlist) {
4087                         // is this check necessary?
4088                         continue;
4089                 }
4090
4091                 vector<PlaylistState>::iterator i;
4092
4093                 //only take state if this is a new playlist.
4094                 for (i = playlists.begin(); i != playlists.end(); ++i) {
4095                         if ((*i).playlist == playlist) {
4096                                 break;
4097                         }
4098                 }
4099
4100                 if (i == playlists.end()) {
4101
4102                         PlaylistState before;
4103                         before.playlist = playlist;
4104                         before.before = &playlist->get_state();
4105
4106                         playlist->freeze ();
4107                         playlists.push_back(before);
4108                 }
4109
4110                 playlist->remove_region (*rl);
4111         }
4112
4113         vector<PlaylistState>::iterator pl;
4114
4115         for (pl = playlists.begin(); pl != playlists.end(); ++pl) {
4116                 (*pl).playlist->thaw ();
4117                 session->add_command(new MementoCommand<Playlist>(*(*pl).playlist, (*pl).before, &(*pl).playlist->get_state()));
4118         }
4119
4120         commit_reversible_command ();
4121 }
4122
4123 /** Cut, copy or clear selected regions.
4124  * @param op Operation (Cut, Copy or Clear)
4125  */
4126 void
4127 Editor::cut_copy_regions (CutCopyOp op, RegionSelection& rs)
4128 {
4129         /* we can't use a std::map here because the ordering is important, and we can't trivially sort
4130            a map when we want ordered access to both elements. i think.
4131         */
4132
4133         vector<PlaylistMapping> pmap;
4134
4135         nframes64_t first_position = max_frames;
4136
4137         set<PlaylistState, lt_playlist> freezelist;
4138         pair<set<PlaylistState, lt_playlist>::iterator,bool> insert_result;
4139
4140         /* get ordering correct before we cut/copy */
4141
4142         rs.sort_by_position_and_track ();
4143
4144         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
4145
4146                 first_position = min ((nframes64_t) (*x)->region()->position(), first_position);
4147
4148                 if (op == Cut || op == Clear) {
4149                         boost::shared_ptr<Playlist> pl = (*x)->region()->playlist();
4150
4151                         if (pl) {
4152                                 set<PlaylistState, lt_playlist>::iterator fl;
4153
4154                                 //only take state if this is a new playlist.
4155                                 for (fl = freezelist.begin(); fl != freezelist.end(); ++fl) {
4156                                         if ((*fl).playlist == pl) {
4157                                                 break;
4158                                         }
4159                                 }
4160
4161                                 if (fl == freezelist.end()) {
4162                                         PlaylistState before;
4163                                         before.playlist = pl;
4164                                         before.before = &pl->get_state();
4165                                         pl->freeze ();
4166                                         insert_result = freezelist.insert (before);
4167                                 }
4168                         }
4169                 }
4170
4171                 TimeAxisView* tv = &(*x)->get_trackview();
4172                 vector<PlaylistMapping>::iterator z;
4173
4174                 for (z = pmap.begin(); z != pmap.end(); ++z) {
4175                         if ((*z).tv == tv) {
4176                                 break;
4177                         }
4178                 }
4179
4180                 if (z == pmap.end()) {
4181                         pmap.push_back (PlaylistMapping (tv));
4182                 }
4183         }
4184
4185         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ) {
4186
4187                 boost::shared_ptr<Playlist> pl = (*x)->region()->playlist();
4188
4189                 if (!pl) {
4190                         /* impossible, but this handles it for the future */
4191                         continue;
4192                 }
4193
4194                 TimeAxisView& tv = (*x)->get_trackview();
4195                 boost::shared_ptr<Playlist> npl;
4196                 RegionSelection::iterator tmp;
4197
4198                 tmp = x;
4199                 ++tmp;
4200
4201                 vector<PlaylistMapping>::iterator z;
4202
4203                 for (z = pmap.begin(); z != pmap.end(); ++z) {
4204                         if ((*z).tv == &tv) {
4205                                 break;
4206                         }
4207                 }
4208
4209                 assert (z != pmap.end());
4210
4211                 if (!(*z).pl) {
4212                         npl = PlaylistFactory::create (pl->data_type(), *session, "cutlist", true);
4213                         npl->freeze();
4214                         (*z).pl = npl;
4215                 } else {
4216                         npl = (*z).pl;
4217                 }
4218
4219                 boost::shared_ptr<Region> r = (*x)->region();
4220                 boost::shared_ptr<Region> _xx;
4221
4222                 assert (r != 0);
4223
4224                 switch (op) {
4225                 case Cut:
4226                         _xx = RegionFactory::create (r);
4227                         npl->add_region (_xx, r->position() - first_position);
4228                         pl->remove_region (r);
4229                         break;
4230
4231                 case Copy:
4232                         /* copy region before adding, so we're not putting same object into two different playlists */
4233                         npl->add_region (RegionFactory::create (r), r->position() - first_position);
4234                         break;
4235
4236                 case Clear:
4237                         pl->remove_region (r);
4238                         break;
4239                 }
4240
4241                 x = tmp;
4242         }
4243
4244         list<boost::shared_ptr<Playlist> > foo;
4245
4246         /* the pmap is in the same order as the tracks in which selected regions occured */
4247
4248         for (vector<PlaylistMapping>::iterator i = pmap.begin(); i != pmap.end(); ++i) {
4249                 (*i).pl->thaw();
4250                 foo.push_back ((*i).pl);
4251         }
4252
4253
4254         if (!foo.empty()) {
4255                 cut_buffer->set (foo);
4256         }
4257
4258         for (set<PlaylistState, lt_playlist>::iterator pl = freezelist.begin(); pl != freezelist.end(); ++pl) {
4259                 (*pl).playlist->thaw ();
4260                 session->add_command (new MementoCommand<Playlist>(*(*pl).playlist, (*pl).before, &(*pl).playlist->get_state()));
4261         }
4262 }
4263
4264 void
4265 Editor::cut_copy_ranges (CutCopyOp op)
4266 {
4267         TrackSelection* ts;
4268         TrackSelection entered;
4269
4270         if (selection->tracks.empty()) {
4271                 if (!entered_track) {
4272                         return;
4273                 }
4274                 entered.push_back (entered_track);
4275                 ts = &entered;
4276         } else {
4277                 ts = &selection->tracks;
4278         }
4279
4280         for (TrackSelection::iterator i = ts->begin(); i != ts->end(); ++i) {
4281                 (*i)->cut_copy_clear (*selection, op);
4282         }
4283 }
4284
4285 void
4286 Editor::paste (float times)
4287 {
4288         paste_internal (get_preferred_edit_position(), times);
4289 }
4290
4291 void
4292 Editor::mouse_paste ()
4293 {
4294         nframes64_t where;
4295         bool ignored;
4296
4297         if (!mouse_frame (where, ignored)) {
4298                 return;
4299         }
4300
4301         snap_to (where);
4302         paste_internal (where, 1);
4303 }
4304
4305 void
4306 Editor::paste_internal (nframes64_t position, float times)
4307 {
4308         bool commit = false;
4309
4310         if (internal_editing()) {
4311                 if (cut_buffer->midi_notes.empty()) {
4312                         return;
4313                 }
4314         } else {
4315                 if (cut_buffer->empty()) {
4316                         return;
4317                 }
4318         }
4319
4320         if (position == max_frames) {
4321                 position = get_preferred_edit_position();
4322         }
4323
4324         begin_reversible_command (_("paste"));
4325
4326         TrackSelection ts;
4327         TrackSelection::iterator i;
4328         size_t nth;
4329
4330         /* get everything in the correct order */
4331
4332         if (!selection->tracks.empty()) {
4333                 sort_track_selection ();
4334                 ts = selection->tracks;
4335         } else if (entered_track) {
4336                 ts.push_back (entered_track);
4337         }
4338
4339         for (nth = 0, i = ts.begin(); i != ts.end(); ++i, ++nth) {
4340
4341                 /* undo/redo is handled by individual tracks/regions */
4342
4343                 if (internal_editing()) {
4344
4345                         RegionSelection rs;
4346                         RegionSelection::iterator r;
4347                         MidiNoteSelection::iterator cb;
4348
4349                         get_regions_at (rs, position, ts);
4350
4351                         for (cb = cut_buffer->midi_notes.begin(), r = rs.begin();
4352                              cb != cut_buffer->midi_notes.end() && r != rs.end(); ++r) {
4353                                 MidiRegionView* mrv = dynamic_cast<MidiRegionView*> (*r);
4354                                 if (mrv) {
4355                                         mrv->paste (position, times, **cb);
4356                                         ++cb;
4357                                 }
4358                         }
4359
4360                 } else {
4361
4362                         if ((*i)->paste (position, times, *cut_buffer, nth)) {
4363                                 commit = true;
4364                         }
4365                 }
4366         }
4367
4368         if (commit) {
4369                 commit_reversible_command ();
4370         }
4371 }
4372
4373 void
4374 Editor::paste_named_selection (float times)
4375 {
4376         TrackSelection::iterator t;
4377
4378         Glib::RefPtr<TreeSelection> selected = named_selection_display.get_selection();
4379
4380         if (selected->count_selected_rows() != 1 || selection->tracks.empty()) {
4381                 return;
4382         }
4383
4384         TreeModel::iterator i = selected->get_selected();
4385         NamedSelection* ns = (*i)[named_selection_columns.selection];
4386
4387         list<boost::shared_ptr<Playlist> >::iterator chunk;
4388         list<boost::shared_ptr<Playlist> >::iterator tmp;
4389
4390         chunk = ns->playlists.begin();
4391
4392         begin_reversible_command (_("paste chunk"));
4393
4394         sort_track_selection ();
4395
4396         for (t = selection->tracks.begin(); t != selection->tracks.end(); ++t) {
4397
4398                 RouteTimeAxisView* rtv;
4399                 boost::shared_ptr<Playlist> pl;
4400                 boost::shared_ptr<AudioPlaylist> apl;
4401
4402                 if ((rtv = dynamic_cast<RouteTimeAxisView*> (*t)) == 0) {
4403                         continue;
4404                 }
4405
4406                 if ((pl = rtv->playlist()) == 0) {
4407                         continue;
4408                 }
4409
4410                 if ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) == 0) {
4411                         continue;
4412                 }
4413
4414                 tmp = chunk;
4415                 ++tmp;
4416
4417                 XMLNode &before = apl->get_state();
4418                 apl->paste (*chunk, get_preferred_edit_position(), times);
4419                 session->add_command(new MementoCommand<AudioPlaylist>(*apl, &before, &apl->get_state()));
4420
4421                 if (tmp != ns->playlists.end()) {
4422                         chunk = tmp;
4423                 }
4424         }
4425
4426         commit_reversible_command();
4427 }
4428
4429 void
4430 Editor::duplicate_some_regions (RegionSelection& regions, float times)
4431 {
4432         boost::shared_ptr<Playlist> playlist;
4433         RegionSelection sel = regions; // clear (below) may  clear the argument list if its the current region selection
4434         RegionSelection foo;
4435
4436         begin_reversible_command (_("duplicate region"));
4437
4438         selection->clear_regions ();
4439
4440         for (RegionSelection::iterator i = sel.begin(); i != sel.end(); ++i) {
4441
4442                 boost::shared_ptr<Region> r ((*i)->region());
4443
4444                 TimeAxisView& tv = (*i)->get_time_axis_view();
4445                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (&tv);
4446                 latest_regionviews.clear ();
4447                 sigc::connection c = rtv->view()->RegionViewAdded.connect (mem_fun(*this, &Editor::collect_new_region_view));
4448
4449                 playlist = (*i)->region()->playlist();
4450                 XMLNode &before = playlist->get_state();
4451                 playlist->duplicate (r, r->last_frame(), times);
4452                 session->add_command(new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
4453
4454                 c.disconnect ();
4455
4456                 foo.insert (foo.end(), latest_regionviews.begin(), latest_regionviews.end());
4457         }
4458
4459         commit_reversible_command ();
4460
4461         if (!foo.empty()) {
4462                 selection->set (foo);
4463         }
4464 }
4465
4466 void
4467 Editor::duplicate_selection (float times)
4468 {
4469         if (selection->time.empty() || selection->tracks.empty()) {
4470                 return;
4471         }
4472
4473         boost::shared_ptr<Playlist> playlist;
4474         vector<boost::shared_ptr<Region> > new_regions;
4475         vector<boost::shared_ptr<Region> >::iterator ri;
4476
4477         create_region_from_selection (new_regions);
4478
4479         if (new_regions.empty()) {
4480                 return;
4481         }
4482
4483         begin_reversible_command (_("duplicate selection"));
4484
4485         ri = new_regions.begin();
4486
4487         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4488                 if ((playlist = (*i)->playlist()) == 0) {
4489                         continue;
4490                 }
4491                 XMLNode &before = playlist->get_state();
4492                 playlist->duplicate (*ri, selection->time[clicked_selection].end, times);
4493                 XMLNode &after = playlist->get_state();
4494                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &after));
4495
4496                 ++ri;
4497                 if (ri == new_regions.end()) {
4498                         --ri;
4499                 }
4500         }
4501
4502         commit_reversible_command ();
4503 }
4504
4505 void
4506 Editor::reset_point_selection ()
4507 {
4508         /* reset all selected points to the relevant default value */
4509
4510         for (PointSelection::iterator i = selection->points.begin(); i != selection->points.end(); ++i) {
4511
4512                 AutomationTimeAxisView* atv = dynamic_cast<AutomationTimeAxisView*>(&(*i).track);
4513
4514                 if (atv) {
4515                         atv->reset_objects (selection->points);
4516                 }
4517         }
4518 }
4519
4520 void
4521 Editor::center_playhead ()
4522 {
4523         float page = _canvas_width * frames_per_unit;
4524         center_screen_internal (playhead_cursor->current_frame, page);
4525 }
4526
4527 void
4528 Editor::center_edit_point ()
4529 {
4530         float page = _canvas_width * frames_per_unit;
4531         center_screen_internal (get_preferred_edit_position(), page);
4532 }
4533
4534 void
4535 Editor::clear_playlist (boost::shared_ptr<Playlist> playlist)
4536 {
4537         begin_reversible_command (_("clear playlist"));
4538         XMLNode &before = playlist->get_state();
4539         playlist->clear ();
4540         XMLNode &after = playlist->get_state();
4541         session->add_command (new MementoCommand<Playlist>(*playlist.get(), &before, &after));
4542         commit_reversible_command ();
4543 }
4544
4545 void
4546 Editor::nudge_track (bool use_edit, bool forwards)
4547 {
4548         boost::shared_ptr<Playlist> playlist;
4549         nframes64_t distance;
4550         nframes64_t next_distance;
4551         nframes64_t start;
4552
4553         if (use_edit) {
4554                 start = get_preferred_edit_position();
4555         } else {
4556                 start = 0;
4557         }
4558
4559         if ((distance = get_nudge_distance (start, next_distance)) == 0) {
4560                 return;
4561         }
4562
4563         if (selection->tracks.empty()) {
4564                 return;
4565         }
4566
4567         begin_reversible_command (_("nudge track"));
4568
4569         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4570
4571                 if ((playlist = (*i)->playlist()) == 0) {
4572                         continue;
4573                 }
4574
4575                 XMLNode &before = playlist->get_state();
4576                 playlist->nudge_after (start, distance, forwards);
4577                 XMLNode &after = playlist->get_state();
4578                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &after));
4579         }
4580
4581         commit_reversible_command ();
4582 }
4583
4584 void
4585 Editor::remove_last_capture ()
4586 {
4587         vector<string> choices;
4588         string prompt;
4589
4590         if (!session) {
4591                 return;
4592         }
4593
4594         if (Config->get_verify_remove_last_capture()) {
4595                 prompt  = _("Do you really want to destroy the last capture?"
4596                             "\n(This is destructive and cannot be undone)");
4597
4598                 choices.push_back (_("No, do nothing."));
4599                 choices.push_back (_("Yes, destroy it."));
4600
4601                 Gtkmm2ext::Choice prompter (prompt, choices);
4602
4603                 if (prompter.run () == 1) {
4604                         session->remove_last_capture ();
4605                 }
4606
4607         } else {
4608                 session->remove_last_capture();
4609         }
4610 }
4611
4612 void
4613 Editor::normalize_region ()
4614 {
4615         if (!session) {
4616                 return;
4617         }
4618
4619         RegionSelection rs;
4620         get_regions_for_action (rs);
4621
4622         if (rs.empty()) {
4623                 return;
4624         }
4625
4626         Dialog dialog (rs.size() > 1 ? _("Normalize regions") : _("Normalize region"));
4627         HBox hbox;
4628         hbox.pack_start (*manage (new Label (_("Normalize to:"))));
4629         SpinButton spin (0.2, 2);
4630         spin.set_range (-112, 0);
4631         spin.set_increments (0.1, 1);
4632         spin.set_value (0);
4633         hbox.pack_start (spin);
4634         spin.set_value (_last_normalization_value);
4635         hbox.pack_start (*manage (new Label (_("dbFS"))));
4636         hbox.show_all ();
4637         dialog.get_vbox()->pack_start (hbox);
4638         dialog.add_button (Stock::CANCEL, RESPONSE_CANCEL);
4639         dialog.add_button (_("Normalize"), RESPONSE_ACCEPT);
4640
4641         if (dialog.run () == RESPONSE_CANCEL) {
4642                 return;
4643         }
4644
4645         begin_reversible_command (_("normalize"));
4646
4647         track_canvas->get_window()->set_cursor (*wait_cursor);
4648         gdk_flush ();
4649
4650         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
4651                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4652                 if (!arv)
4653                         continue;
4654                 XMLNode &before = arv->region()->get_state();
4655                 arv->audio_region()->normalize_to (spin.get_value());
4656                 session->add_command (new MementoCommand<Region>(*(arv->region().get()), &before, &arv->region()->get_state()));
4657         }
4658
4659         commit_reversible_command ();
4660         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
4661
4662         _last_normalization_value = spin.get_value ();
4663 }
4664
4665
4666 void
4667 Editor::denormalize_region ()
4668 {
4669         if (!session) {
4670                 return;
4671         }
4672
4673         RegionSelection rs;
4674
4675         get_regions_for_action (rs);
4676
4677         if (rs.empty()) {
4678                 return;
4679         }
4680
4681         begin_reversible_command ("denormalize");
4682
4683         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
4684                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4685                 if (!arv)
4686                         continue;
4687                 XMLNode &before = arv->region()->get_state();
4688                 arv->audio_region()->set_scale_amplitude (1.0f);
4689                 session->add_command (new MementoCommand<Region>(*(arv->region().get()), &before, &arv->region()->get_state()));
4690         }
4691
4692         commit_reversible_command ();
4693 }
4694
4695 void
4696 Editor::adjust_region_scale_amplitude (bool up)
4697 {
4698         if (!session) {
4699                 return;
4700         }
4701
4702         RegionSelection rs;
4703
4704         get_regions_for_action (rs);
4705
4706         if (rs.empty()) {
4707                 return;
4708         }
4709
4710         begin_reversible_command ("denormalize");
4711
4712         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
4713                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4714                 if (!arv)
4715                         continue;
4716                 XMLNode &before = arv->region()->get_state();
4717
4718                 double fraction = gain_to_slider_position (arv->audio_region()->scale_amplitude ());
4719
4720                 if (up) {
4721                         fraction += 0.05;
4722                         fraction = min (fraction, 1.0);
4723                 } else {
4724                         fraction -= 0.05;
4725                         fraction = max (fraction, 0.0);
4726                 }
4727
4728                 if (!up && fraction <= 0) {
4729                         continue;
4730                 }
4731
4732                 fraction = slider_position_to_gain (fraction);
4733                 fraction = coefficient_to_dB (fraction);
4734                 fraction = dB_to_coefficient (fraction);
4735
4736                 if (up && fraction >= 2.0) {
4737                         continue;
4738                 }
4739
4740                 arv->audio_region()->set_scale_amplitude (fraction);
4741                 session->add_command (new MementoCommand<Region>(*(arv->region().get()), &before, &arv->region()->get_state()));
4742         }
4743
4744         commit_reversible_command ();
4745 }
4746
4747
4748 void
4749 Editor::reverse_region ()
4750 {
4751         if (!session) {
4752                 return;
4753         }
4754
4755         Reverse rev (*session);
4756         apply_filter (rev, _("reverse regions"));
4757 }
4758
4759 void
4760 Editor::strip_region_silence ()
4761 {
4762         if (!session) {
4763                 return;
4764         }
4765
4766         RegionSelection rs;
4767         get_regions_for_action (rs);
4768
4769         if (rs.empty()) {
4770                 return;
4771         }
4772
4773         std::list<boost::shared_ptr<AudioRegion> > ar;
4774
4775         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4776                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*> (*i);
4777                 if (arv) {
4778                         ar.push_back (arv->audio_region ());
4779                 }
4780         }
4781
4782         StripSilenceDialog d (ar);
4783         int const r = d.run ();
4784
4785         if (r == Gtk::RESPONSE_OK) {
4786                 StripSilence s (*session, d.threshold (), d.minimum_length (), d.fade_length ());
4787                 apply_filter (s, _("strip silence"));
4788         }
4789 }
4790
4791
4792 void
4793 Editor::quantize_region ()
4794 {
4795         if (!session) {
4796                 return;
4797         }
4798
4799         // FIXME: varying meter?
4800         Quantize quant (*session, snap_length_beats(0));
4801         apply_filter (quant, _("quantize regions"));
4802 }
4803
4804 void
4805 Editor::apply_filter (Filter& filter, string command)
4806 {
4807         RegionSelection rs;
4808
4809         get_regions_for_action (rs);
4810
4811         if (rs.empty()) {
4812                 return;
4813         }
4814
4815         begin_reversible_command (command);
4816
4817         track_canvas->get_window()->set_cursor (*wait_cursor);
4818         gdk_flush ();
4819
4820         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ) {
4821                 RegionSelection::iterator tmp = r;
4822                 ++tmp;
4823
4824                 MidiRegionView* const mrv = dynamic_cast<MidiRegionView*>(*r);
4825                 if (mrv) {
4826                         if (mrv->midi_region()->apply(filter) == 0) {
4827                                 mrv->redisplay_model();
4828                         }
4829                 }
4830
4831                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4832                 if (arv) {
4833                         boost::shared_ptr<Playlist> playlist = arv->region()->playlist();
4834
4835                         if (arv->audio_region()->apply (filter) == 0) {
4836
4837                                 XMLNode &before = playlist->get_state();
4838
4839                                 if (filter.results.empty ()) {
4840
4841                                         /* no regions returned; remove the old one */
4842                                         playlist->remove_region (arv->region ());
4843
4844                                 } else {
4845
4846                                         std::vector<boost::shared_ptr<Region> >::iterator res = filter.results.begin ();
4847
4848                                         /* first region replaces the old one */
4849                                         playlist->replace_region (arv->region(), *res, (*res)->position());
4850                                         ++res;
4851
4852                                         /* add the rest */
4853                                         while (res != filter.results.end()) {
4854                                                 playlist->add_region (*res, (*res)->position());
4855                                                 ++res;
4856                                         }
4857
4858                                 }
4859
4860                                 XMLNode &after = playlist->get_state();
4861                                 session->add_command(new MementoCommand<Playlist>(*playlist, &before, &after));
4862                         } else {
4863                                 goto out;
4864                         }
4865                 }
4866
4867                 r = tmp;
4868         }
4869
4870         commit_reversible_command ();
4871         rs.clear ();
4872
4873   out:
4874         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
4875 }
4876
4877 void
4878 Editor::region_selection_op (void (Region::*pmf)(void))
4879 {
4880         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4881                 Region* region = (*i)->region().get();
4882                 (region->*pmf)();
4883         }
4884 }
4885
4886
4887 void
4888 Editor::region_selection_op (void (Region::*pmf)(void*), void *arg)
4889 {
4890         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4891                 Region* region = (*i)->region().get();
4892                 (region->*pmf)(arg);
4893         }
4894 }
4895
4896 void
4897 Editor::region_selection_op (void (Region::*pmf)(bool), bool yn)
4898 {
4899         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4900                 Region* region = (*i)->region().get();
4901                 (region->*pmf)(yn);
4902         }
4903 }
4904
4905 void
4906 Editor::external_edit_region ()
4907 {
4908         /* more to come */
4909 }
4910
4911 void
4912 Editor::brush (nframes64_t pos)
4913 {
4914         RegionSelection sel;
4915         RegionSelection rs;
4916
4917         get_regions_for_action (rs);
4918
4919         snap_to (pos);
4920
4921         if (rs.empty()) {
4922                 return;
4923         }
4924
4925         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4926                 mouse_brush_insert_region ((*i), pos);
4927         }
4928 }
4929
4930 void
4931 Editor::reset_region_gain_envelopes ()
4932 {
4933         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
4934
4935         if (!session || rs.empty()) {
4936                 return;
4937         }
4938
4939         session->begin_reversible_command (_("reset region gain"));
4940
4941         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4942                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4943                 if (arv) {
4944                         boost::shared_ptr<AutomationList> alist (arv->audio_region()->envelope());
4945                         XMLNode& before (alist->get_state());
4946
4947                         arv->audio_region()->set_default_envelope ();
4948                         session->add_command (new MementoCommand<AutomationList>(*arv->audio_region()->envelope().get(), &before, &alist->get_state()));
4949                 }
4950         }
4951
4952         session->commit_reversible_command ();
4953 }
4954
4955 void
4956 Editor::toggle_gain_envelope_visibility ()
4957 {
4958         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
4959
4960         if (!session || rs.empty()) {
4961                 return;
4962         }
4963
4964         session->begin_reversible_command (_("region gain envelope visible"));
4965
4966         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4967                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4968                 if (arv) {
4969                         XMLNode &before = arv->region()->get_state ();
4970                         arv->set_envelope_visible (!arv->envelope_visible());
4971                         XMLNode &after = arv->region()->get_state ();
4972                         session->add_command (new MementoCommand<Region> (*(arv->region().get()), &before, &after));
4973                 }
4974         }
4975
4976         session->commit_reversible_command ();
4977 }
4978
4979 void
4980 Editor::toggle_gain_envelope_active ()
4981 {
4982         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
4983
4984         if (!session || rs.empty()) {
4985                 return;
4986         }
4987
4988         session->begin_reversible_command (_("region gain envelope active"));
4989
4990         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4991                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4992                 if (arv) {
4993                         XMLNode &before = arv->region()->get_state ();
4994                         arv->audio_region()->set_envelope_active (!arv->audio_region()->envelope_active());
4995                         XMLNode &after = arv->region()->get_state ();
4996                         session->add_command (new MementoCommand<Region> (*(arv->region().get()), &before, &after));
4997                 }
4998         }
4999
5000         session->commit_reversible_command ();
5001 }
5002
5003 void
5004 Editor::toggle_region_lock ()
5005 {
5006         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
5007
5008         if (!session || rs.empty()) {
5009                 return;
5010         }
5011
5012         session->begin_reversible_command (_("region lock"));
5013
5014         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5015                 XMLNode &before = (*i)->region()->get_state ();
5016                 (*i)->region()->set_locked (!(*i)->region()->locked());
5017                 XMLNode &after = (*i)->region()->get_state ();
5018                 session->add_command (new MementoCommand<Region> (*((*i)->region().get()), &before, &after));
5019         }
5020
5021         session->commit_reversible_command ();
5022 }
5023
5024 void
5025 Editor::set_region_lock_style (Region::PositionLockStyle ps)
5026 {
5027         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
5028
5029         if (!session || rs.empty()) {
5030                 return;
5031         }
5032
5033         session->begin_reversible_command (_("region lock style"));
5034
5035         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5036                 XMLNode &before = (*i)->region()->get_state ();
5037                 (*i)->region()->set_position_lock_style (ps);
5038                 XMLNode &after = (*i)->region()->get_state ();
5039                 session->add_command (new MementoCommand<Region> (*((*i)->region().get()), &before, &after));
5040         }
5041
5042         session->commit_reversible_command ();
5043 }
5044
5045
5046 void
5047 Editor::toggle_region_mute ()
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 mute"));
5056
5057         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5058                 XMLNode &before = (*i)->region()->get_state ();
5059                 (*i)->region()->set_muted (!(*i)->region()->muted());
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 void
5068 Editor::toggle_region_opaque ()
5069 {
5070         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
5071
5072         if (!session || rs.empty()) {
5073                 return;
5074         }
5075
5076         session->begin_reversible_command (_("region opacity"));
5077
5078         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5079                 XMLNode &before = (*i)->region()->get_state ();
5080                 (*i)->region()->set_opaque (!(*i)->region()->opaque());
5081                 XMLNode &after = (*i)->region()->get_state ();
5082                 session->add_command (new MementoCommand<Region> (*((*i)->region().get()), &before, &after));
5083         }
5084
5085         session->commit_reversible_command ();
5086 }
5087
5088 void
5089 Editor::toggle_record_enable ()
5090 {
5091         bool new_state = false;
5092         bool first = true;
5093         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
5094                 RouteTimeAxisView *rtav = dynamic_cast<RouteTimeAxisView *>(*i);
5095                 if (!rtav)
5096                         continue;
5097                 if (!rtav->is_track())
5098                         continue;
5099
5100                 if (first) {
5101                         new_state = !rtav->track()->record_enabled();
5102                         first = false;
5103                 }
5104
5105                 rtav->track()->set_record_enable(new_state, this);
5106         }
5107 }
5108
5109
5110 void
5111 Editor::set_fade_length (bool in)
5112 {
5113         RegionSelection rs;
5114
5115         get_regions_for_action (rs, true);
5116
5117         if (rs.empty()) {
5118                 return;
5119         }
5120
5121         /* we need a region to measure the offset from the start */
5122
5123         RegionView* rv = rs.front ();
5124
5125         nframes64_t pos = get_preferred_edit_position();
5126         nframes64_t len;
5127         char* cmd;
5128
5129         if (pos > rv->region()->last_frame() || pos < rv->region()->first_frame()) {
5130                 /* edit point is outside the relevant region */
5131                 return;
5132         }
5133
5134         if (in) {
5135                 if (pos <= rv->region()->position()) {
5136                         /* can't do it */
5137                         return;
5138                 }
5139                 len = pos - rv->region()->position();
5140                 cmd = _("set fade in length");
5141         } else {
5142                 if (pos >= rv->region()->last_frame()) {
5143                         /* can't do it */
5144                         return;
5145                 }
5146                 len = rv->region()->last_frame() - pos;
5147                 cmd = _("set fade out length");
5148         }
5149
5150         begin_reversible_command (cmd);
5151
5152         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5153                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5154
5155                 if (!tmp) {
5156                         return;
5157                 }
5158
5159                 boost::shared_ptr<AutomationList> alist;
5160                 if (in) {
5161                         alist = tmp->audio_region()->fade_in();
5162                 } else {
5163                         alist = tmp->audio_region()->fade_out();
5164                 }
5165
5166                 XMLNode &before = alist->get_state();
5167
5168                 if (in) {
5169                         tmp->audio_region()->set_fade_in_length (len);
5170                         tmp->audio_region()->set_fade_in_active (true);
5171                 } else {
5172                         tmp->audio_region()->set_fade_out_length (len);
5173                         tmp->audio_region()->set_fade_out_active (true);
5174                 }
5175
5176                 XMLNode &after = alist->get_state();
5177                 session->add_command(new MementoCommand<AutomationList>(*alist, &before, &after));
5178         }
5179
5180         commit_reversible_command ();
5181 }
5182
5183 void
5184 Editor::toggle_fade_active (bool in)
5185 {
5186         RegionSelection rs;
5187
5188         get_regions_for_action (rs);
5189
5190         if (rs.empty()) {
5191                 return;
5192         }
5193
5194         const char* cmd = (in ? _("toggle fade in active") : _("toggle fade out active"));
5195         bool have_switch = false;
5196         bool yn = false;
5197
5198         begin_reversible_command (cmd);
5199
5200         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5201                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5202
5203                 if (!tmp) {
5204                         return;
5205                 }
5206
5207                 boost::shared_ptr<AudioRegion> region (tmp->audio_region());
5208
5209                 /* make the behaviour consistent across all regions */
5210
5211                 if (!have_switch) {
5212                         if (in) {
5213                                 yn = region->fade_in_active();
5214                         } else {
5215                                 yn = region->fade_out_active();
5216                         }
5217                         have_switch = true;
5218                 }
5219
5220                 XMLNode &before = region->get_state();
5221                 if (in) {
5222                         region->set_fade_in_active (!yn);
5223                 } else {
5224                         region->set_fade_out_active (!yn);
5225                 }
5226                 XMLNode &after = region->get_state();
5227                 session->add_command(new MementoCommand<AudioRegion>(*region.get(), &before, &after));
5228         }
5229
5230         commit_reversible_command ();
5231 }
5232
5233 void
5234 Editor::set_fade_in_shape (AudioRegion::FadeShape shape)
5235 {
5236         RegionSelection rs;
5237
5238         get_regions_for_action (rs);
5239
5240         if (rs.empty()) {
5241                 return;
5242         }
5243
5244         begin_reversible_command (_("set fade in shape"));
5245
5246         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5247                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5248
5249                 if (!tmp) {
5250                         return;
5251                 }
5252
5253                 boost::shared_ptr<AutomationList> alist = tmp->audio_region()->fade_in();
5254                 XMLNode &before = alist->get_state();
5255
5256                 tmp->audio_region()->set_fade_in_shape (shape);
5257
5258                 XMLNode &after = alist->get_state();
5259                 session->add_command(new MementoCommand<AutomationList>(*alist.get(), &before, &after));
5260         }
5261
5262         commit_reversible_command ();
5263
5264 }
5265
5266 void
5267 Editor::set_fade_out_shape (AudioRegion::FadeShape shape)
5268 {
5269         RegionSelection rs;
5270
5271         get_regions_for_action (rs);
5272
5273         if (rs.empty()) {
5274                 return;
5275         }
5276
5277         begin_reversible_command (_("set fade out shape"));
5278
5279         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5280                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5281
5282                 if (!tmp) {
5283                         return;
5284                 }
5285
5286                 boost::shared_ptr<AutomationList> alist = tmp->audio_region()->fade_out();
5287                 XMLNode &before = alist->get_state();
5288
5289                 tmp->audio_region()->set_fade_out_shape (shape);
5290
5291                 XMLNode &after = alist->get_state();
5292                 session->add_command(new MementoCommand<AutomationList>(*alist.get(), &before, &after));
5293         }
5294
5295         commit_reversible_command ();
5296 }
5297
5298 void
5299 Editor::set_fade_in_active (bool yn)
5300 {
5301         RegionSelection rs;
5302
5303         get_regions_for_action (rs);
5304
5305         if (rs.empty()) {
5306                 return;
5307         }
5308
5309         begin_reversible_command (_("set fade in active"));
5310
5311         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5312                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5313
5314                 if (!tmp) {
5315                         return;
5316                 }
5317
5318
5319                 boost::shared_ptr<AudioRegion> ar (tmp->audio_region());
5320
5321                 XMLNode &before = ar->get_state();
5322
5323                 ar->set_fade_in_active (yn);
5324
5325                 XMLNode &after = ar->get_state();
5326                 session->add_command(new MementoCommand<AudioRegion>(*ar, &before, &after));
5327         }
5328
5329         commit_reversible_command ();
5330 }
5331
5332 void
5333 Editor::set_fade_out_active (bool yn)
5334 {
5335         RegionSelection rs;
5336
5337         get_regions_for_action (rs);
5338
5339         if (rs.empty()) {
5340                 return;
5341         }
5342
5343         begin_reversible_command (_("set fade out active"));
5344
5345         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5346                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5347
5348                 if (!tmp) {
5349                         return;
5350                 }
5351
5352                 boost::shared_ptr<AudioRegion> ar (tmp->audio_region());
5353
5354                 XMLNode &before = ar->get_state();
5355
5356                 ar->set_fade_out_active (yn);
5357
5358                 XMLNode &after = ar->get_state();
5359                 session->add_command(new MementoCommand<AudioRegion>(*ar, &before, &after));
5360         }
5361
5362         commit_reversible_command ();
5363 }
5364
5365 void
5366 Editor::toggle_selected_region_fades (int dir)
5367 {
5368         RegionSelection rs;
5369         RegionSelection::iterator i;
5370         boost::shared_ptr<AudioRegion> ar;
5371         bool yn;
5372
5373         get_regions_for_action (rs);
5374
5375         if (rs.empty()) {
5376                 return;
5377         }
5378
5379         for (i = rs.begin(); i != rs.end(); ++i) {
5380                 if ((ar = boost::dynamic_pointer_cast<AudioRegion>((*i)->region())) != 0) {
5381                         if (dir == -1) {
5382                                 yn = ar->fade_out_active ();
5383                         } else {
5384                                 yn = ar->fade_in_active ();
5385                         }
5386                         break;
5387                 }
5388         }
5389
5390         if (i == rs.end()) {
5391                 return;
5392         }
5393
5394         /* XXX should this undo-able? */
5395
5396         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5397                 if ((ar = boost::dynamic_pointer_cast<AudioRegion>((*i)->region())) == 0) {
5398                         continue;
5399                 }
5400                 if (dir == 1 || dir == 0) {
5401                         ar->set_fade_in_active (!yn);
5402                 }
5403
5404                 if (dir == -1 || dir == 0) {
5405                         ar->set_fade_out_active (!yn);
5406                 }
5407         }
5408 }
5409
5410
5411 /** Update region fade visibility after its configuration has been changed */
5412 void
5413 Editor::update_region_fade_visibility ()
5414 {
5415         bool _fade_visibility = session->config.get_show_region_fades ();
5416
5417         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5418                 AudioTimeAxisView* v = dynamic_cast<AudioTimeAxisView*>(*i);
5419                 if (v) {
5420                         if (_fade_visibility) {
5421                                 v->audio_view()->show_all_fades ();
5422                         } else {
5423                                 v->audio_view()->hide_all_fades ();
5424                         }
5425                 }
5426         }
5427 }
5428
5429 /** Update crossfade visibility after its configuration has been changed */
5430 void
5431 Editor::update_xfade_visibility ()
5432 {
5433         _xfade_visibility = session->config.get_xfades_visible ();
5434
5435         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5436                 AudioTimeAxisView* v = dynamic_cast<AudioTimeAxisView*>(*i);
5437                 if (v) {
5438                         if (_xfade_visibility) {
5439                                 v->show_all_xfades ();
5440                         } else {
5441                                 v->hide_all_xfades ();
5442                         }
5443                 }
5444         }
5445 }
5446
5447 void
5448 Editor::set_edit_point ()
5449 {
5450         nframes64_t where;
5451         bool ignored;
5452
5453         if (!mouse_frame (where, ignored)) {
5454                 return;
5455         }
5456
5457         snap_to (where);
5458
5459         if (selection->markers.empty()) {
5460
5461                 mouse_add_new_marker (where);
5462
5463         } else {
5464                 bool ignored;
5465
5466                 Location* loc = find_location_from_marker (selection->markers.front(), ignored);
5467
5468                 if (loc) {
5469                         loc->move_to (where);
5470                 }
5471         }
5472 }
5473
5474 void
5475 Editor::set_playhead_cursor ()
5476 {
5477         if (entered_marker) {
5478                 session->request_locate (entered_marker->position(), session->transport_rolling());
5479         } else {
5480                 nframes64_t where;
5481                 bool ignored;
5482
5483                 if (!mouse_frame (where, ignored)) {
5484                         return;
5485                 }
5486
5487                 snap_to (where);
5488
5489                 if (session) {
5490                         session->request_locate (where, session->transport_rolling());
5491                 }
5492         }
5493 }
5494
5495 void
5496 Editor::split ()
5497 {
5498         RegionSelection rs;
5499
5500         get_regions_for_action (rs, true);
5501
5502         nframes64_t where = get_preferred_edit_position();
5503
5504         if (rs.empty()) {
5505                 return;
5506         }
5507
5508         split_regions_at (where, rs);
5509 }
5510
5511 void
5512 Editor::ensure_entered_track_selected (bool op_really_wants_one_track_if_none_are_selected)
5513 {
5514         if (entered_track && mouse_mode == MouseObject) {
5515                 if (!selection->tracks.empty()) {
5516                         if (!selection->selected (entered_track)) {
5517                                 selection->add (entered_track);
5518                         }
5519                 } else {
5520                         /* there is no selection, but this operation requires/prefers selected objects */
5521
5522                         if (op_really_wants_one_track_if_none_are_selected) {
5523                                 selection->set (entered_track);
5524                         }
5525                 }
5526         }
5527 }
5528
5529 struct EditorOrderRouteSorter {
5530     bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
5531             /* use of ">" forces the correct sort order */
5532             return a->order_key ("editor") < b->order_key ("editor");
5533     }
5534 };
5535
5536 void
5537 Editor::select_next_route()
5538 {
5539         if (selection->tracks.empty()) {
5540                 selection->set (track_views.front());
5541                 return;
5542         }
5543
5544         TimeAxisView* current = selection->tracks.front();
5545
5546         RouteUI *rui;
5547         do {
5548                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5549                         if (*i == current) {
5550                                 ++i;
5551                                 if (i != track_views.end()) {
5552                                         current = (*i);
5553                                 } else {
5554                                         current = (*(track_views.begin()));
5555                                         //selection->set (*(track_views.begin()));
5556                                 }
5557                                 break;
5558                         }
5559                 }
5560                 rui = dynamic_cast<RouteUI *>(current);
5561         } while ( current->hidden() || (rui != NULL && !rui->route()->active()));
5562
5563         selection->set(current);
5564
5565         ensure_track_visible(current);
5566 }
5567
5568 void
5569 Editor::select_prev_route()
5570 {
5571         if (selection->tracks.empty()) {
5572                 selection->set (track_views.front());
5573                 return;
5574         }
5575
5576         TimeAxisView* current = selection->tracks.front();
5577
5578         RouteUI *rui;
5579         do {
5580                 for (TrackViewList::reverse_iterator i = track_views.rbegin(); i != track_views.rend(); ++i) {
5581                         if (*i == current) {
5582                                 ++i;
5583                                 if (i != track_views.rend()) {
5584                                         current = (*i);
5585                                 } else {
5586                                         current = *(track_views.rbegin());
5587                                 }
5588                                 break;
5589                         }
5590                 }
5591                 rui = dynamic_cast<RouteUI *>(current);
5592         } while ( current->hidden() || (rui != NULL && !rui->route()->active()));
5593
5594         selection->set (current);
5595
5596         ensure_track_visible(current);
5597 }
5598
5599 void
5600 Editor::ensure_track_visible(TimeAxisView *track)
5601 {
5602         if (track->hidden())
5603                 return;
5604
5605         double const current_view_min_y = vertical_adjustment.get_value();
5606         double const current_view_max_y = vertical_adjustment.get_value() + vertical_adjustment.get_page_size() - canvas_timebars_vsize;
5607
5608         double const track_min_y = track->y_position ();
5609         double const track_max_y = track->y_position () + track->effective_height ();
5610
5611         if (track_min_y >= current_view_min_y &&
5612             track_max_y <= current_view_max_y) {
5613                 return;
5614         }
5615
5616         double new_value;
5617
5618         if (track_min_y < current_view_min_y) {
5619                 // Track is above the current view
5620                 new_value = track_min_y;
5621         } else {
5622                 // Track is below the current view
5623                 new_value = track->y_position () + track->effective_height() + canvas_timebars_vsize - vertical_adjustment.get_page_size();
5624         }
5625
5626         vertical_adjustment.set_value(new_value);
5627 }
5628
5629 void
5630 Editor::set_loop_from_selection (bool play)
5631 {
5632         if (session == 0 || selection->time.empty()) {
5633                 return;
5634         }
5635
5636         nframes64_t start = selection->time[clicked_selection].start;
5637         nframes64_t end = selection->time[clicked_selection].end;
5638
5639         set_loop_range (start, end,  _("set loop range from selection"));
5640
5641         if (play) {
5642                 session->request_play_loop (true);
5643                 session->request_locate (start, true);
5644         }
5645 }
5646
5647 void
5648 Editor::set_loop_from_edit_range (bool play)
5649 {
5650         if (session == 0) {
5651                 return;
5652         }
5653
5654         nframes64_t start;
5655         nframes64_t end;
5656
5657         if (!get_edit_op_range (start, end)) {
5658                 return;
5659         }
5660
5661         set_loop_range (start, end,  _("set loop range from edit range"));
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_region (bool play)
5671 {
5672         nframes64_t start = max_frames;
5673         nframes64_t end = 0;
5674
5675         RegionSelection rs;
5676
5677         get_regions_for_action (rs);
5678
5679         if (rs.empty()) {
5680                 return;
5681         }
5682
5683         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5684                 if ((*i)->region()->position() < start) {
5685                         start = (*i)->region()->position();
5686                 }
5687                 if ((*i)->region()->last_frame() + 1 > end) {
5688                         end = (*i)->region()->last_frame() + 1;
5689                 }
5690         }
5691
5692         set_loop_range (start, end, _("set loop range from region"));
5693
5694         if (play) {
5695                 session->request_play_loop (true);
5696                 session->request_locate (start, true);
5697         }
5698 }
5699
5700 void
5701 Editor::set_punch_from_selection ()
5702 {
5703         if (session == 0 || selection->time.empty()) {
5704                 return;
5705         }
5706
5707         nframes64_t start = selection->time[clicked_selection].start;
5708         nframes64_t end = selection->time[clicked_selection].end;
5709
5710         set_punch_range (start, end,  _("set punch range from selection"));
5711 }
5712
5713 void
5714 Editor::set_punch_from_edit_range ()
5715 {
5716         if (session == 0) {
5717                 return;
5718         }
5719
5720         nframes64_t start;
5721         nframes64_t end;
5722
5723         if (!get_edit_op_range (start, end)) {
5724                 return;
5725         }
5726
5727         set_punch_range (start, end,  _("set punch range from edit range"));
5728 }
5729
5730 void
5731 Editor::set_punch_from_region ()
5732 {
5733         nframes64_t start = max_frames;
5734         nframes64_t end = 0;
5735
5736         RegionSelection rs;
5737
5738         get_regions_for_action (rs);
5739
5740         if (rs.empty()) {
5741                 return;
5742         }
5743
5744         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5745                 if ((*i)->region()->position() < start) {
5746                         start = (*i)->region()->position();
5747                 }
5748                 if ((*i)->region()->last_frame() + 1 > end) {
5749                         end = (*i)->region()->last_frame() + 1;
5750                 }
5751         }
5752
5753         set_punch_range (start, end, _("set punch range from region"));
5754 }
5755
5756 void
5757 Editor::pitch_shift_regions ()
5758 {
5759         RegionSelection rs;
5760
5761         get_regions_for_action (rs);
5762
5763         if (rs.empty()) {
5764                 return;
5765         }
5766
5767         pitch_shift (rs, 1.2);
5768 }
5769
5770 void
5771 Editor::use_region_as_bar ()
5772 {
5773         if (!session) {
5774                 return;
5775         }
5776
5777         RegionSelection rs;
5778
5779         get_regions_for_action (rs);
5780
5781         if (rs.empty()) {
5782                 return;
5783         }
5784
5785         RegionView* rv = rs.front();
5786
5787         define_one_bar (rv->region()->position(), rv->region()->last_frame() + 1);
5788 }
5789
5790 void
5791 Editor::use_range_as_bar ()
5792 {
5793         nframes64_t start, end;
5794         if (get_edit_op_range (start, end)) {
5795                 define_one_bar (start, end);
5796         }
5797 }
5798
5799 void
5800 Editor::define_one_bar (nframes64_t start, nframes64_t end)
5801 {
5802         nframes64_t length = end - start;
5803
5804         const Meter& m (session->tempo_map().meter_at (start));
5805
5806         /* length = 1 bar */
5807
5808         /* now we want frames per beat.
5809            we have frames per bar, and beats per bar, so ...
5810         */
5811
5812         double frames_per_beat = length / m.beats_per_bar();
5813
5814         /* beats per minute = */
5815
5816         double beats_per_minute = (session->frame_rate() * 60.0) / frames_per_beat;
5817
5818         /* now decide whether to:
5819
5820             (a) set global tempo
5821             (b) add a new tempo marker
5822
5823         */
5824
5825         const TempoSection& t (session->tempo_map().tempo_section_at (start));
5826
5827         bool do_global = false;
5828
5829         if ((session->tempo_map().n_tempos() == 1) && (session->tempo_map().n_meters() == 1)) {
5830
5831                 /* only 1 tempo & 1 meter: ask if the user wants to set the tempo
5832                    at the start, or create a new marker
5833                 */
5834
5835                 vector<string> options;
5836                 options.push_back (_("Cancel"));
5837                 options.push_back (_("Add new marker"));
5838                 options.push_back (_("Set global tempo"));
5839                 Choice c (_("Do you want to set the global tempo or add new tempo marker?"),
5840                           options);
5841                 c.set_default_response (2);
5842
5843                 switch (c.run()) {
5844                 case 0:
5845                         return;
5846
5847                 case 2:
5848                         do_global = true;
5849                         break;
5850
5851                 default:
5852                         do_global = false;
5853                 }
5854
5855         } else {
5856
5857                 /* more than 1 tempo and/or meter section already, go ahead do the "usual":
5858                    if the marker is at the region starter, change it, otherwise add
5859                    a new tempo marker
5860                 */
5861         }
5862
5863         begin_reversible_command (_("set tempo from region"));
5864         XMLNode& before (session->tempo_map().get_state());
5865
5866         if (do_global) {
5867                 session->tempo_map().change_initial_tempo (beats_per_minute, t.note_type());
5868         } else if (t.frame() == start) {
5869                 session->tempo_map().change_existing_tempo_at (start, beats_per_minute, t.note_type());
5870         } else {
5871                 session->tempo_map().add_tempo (Tempo (beats_per_minute, t.note_type()), start);
5872         }
5873
5874         XMLNode& after (session->tempo_map().get_state());
5875
5876         session->add_command (new MementoCommand<TempoMap>(session->tempo_map(), &before, &after));
5877         commit_reversible_command ();
5878 }
5879
5880 void
5881 Editor::split_region_at_transients ()
5882 {
5883         AnalysisFeatureList positions;
5884
5885         if (!session) {
5886                 return;
5887         }
5888
5889         RegionSelection rs;
5890
5891         get_regions_for_action (rs);
5892
5893         if (rs.empty()) {
5894                 return;
5895         }
5896
5897         session->begin_reversible_command (_("split regions"));
5898
5899         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ) {
5900
5901                 RegionSelection::iterator tmp;
5902
5903                 tmp = i;
5904                 ++tmp;
5905
5906                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> ((*i)->region());
5907
5908                 if (ar && (ar->get_transients (positions) == 0)) {
5909                         split_region_at_points ((*i)->region(), positions, true);
5910                         positions.clear ();
5911                 }
5912
5913                 i = tmp;
5914         }
5915
5916         session->commit_reversible_command ();
5917
5918 }
5919
5920 void
5921 Editor::split_region_at_points (boost::shared_ptr<Region> r, AnalysisFeatureList& positions, bool can_ferret)
5922 {
5923         bool use_rhythmic_rodent = false;
5924
5925         boost::shared_ptr<Playlist> pl = r->playlist();
5926
5927         if (!pl) {
5928                 return;
5929         }
5930
5931         if (positions.empty()) {
5932                 return;
5933         }
5934
5935
5936         if (positions.size() > 20) {
5937                 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);
5938                 MessageDialog msg (msgstr,
5939                                    false,
5940                                    Gtk::MESSAGE_INFO,
5941                                    Gtk::BUTTONS_OK_CANCEL);
5942
5943                 if (can_ferret) {
5944                         msg.add_button (_("Call for the Ferret!"), RESPONSE_APPLY);
5945                         msg.set_secondary_text (_("Press OK to continue with this split operation\nor ask the Ferret dialog to tune the analysis"));
5946                 } else {
5947                         msg.set_secondary_text (_("Press OK to continue with this split operation"));
5948                 }
5949
5950                 msg.set_title (_("Excessive split?"));
5951                 msg.present ();
5952
5953                 int response = msg.run();
5954                 msg.hide ();
5955                 switch (response) {
5956                 case RESPONSE_OK:
5957                         break;
5958                 case RESPONSE_APPLY:
5959                         use_rhythmic_rodent = true;
5960                         break;
5961                 default:
5962                         return;
5963                 }
5964         }
5965
5966         if (use_rhythmic_rodent) {
5967                 show_rhythm_ferret ();
5968                 return;
5969         }
5970
5971         AnalysisFeatureList::const_iterator x;
5972
5973         nframes64_t pos = r->position();
5974
5975         XMLNode& before (pl->get_state());
5976
5977         x = positions.begin();
5978
5979         while (x != positions.end()) {
5980                 if ((*x) > pos) {
5981                         break;
5982                 }
5983                 ++x;
5984         }
5985
5986         if (x == positions.end()) {
5987                 return;
5988         }
5989
5990         pl->freeze ();
5991         pl->remove_region (r);
5992
5993         while (x != positions.end()) {
5994
5995                 /* file start = original start + how far we from the initial position ?
5996                  */
5997
5998                 nframes64_t file_start = r->start() + (pos - r->position());
5999
6000                 /* length = next position - current position
6001                  */
6002
6003                 nframes64_t len = (*x) - pos;
6004
6005                 /* XXX we do we really want to allow even single-sample regions?
6006                    shouldn't we have some kind of lower limit on region size?
6007                 */
6008
6009                 if (len <= 0) {
6010                         break;
6011                 }
6012
6013                 string new_name;
6014
6015                 if (session->region_name (new_name, r->name())) {
6016                         break;
6017                 }
6018
6019                 /* do NOT announce new regions 1 by one, just wait till they are all done */
6020
6021                 boost::shared_ptr<Region> nr = RegionFactory::create (r->sources(), file_start, len, new_name, 0, Region::DefaultFlags, false);
6022                 pl->add_region (nr, pos);
6023
6024                 pos += len;
6025                 ++x;
6026
6027                 if (*x > r->last_frame()) {
6028
6029                         /* add final fragment */
6030
6031                         file_start = r->start() + (pos - r->position());
6032                         len = r->last_frame() - pos;
6033
6034                         nr = RegionFactory::create (r->sources(), file_start, len, new_name, 0, Region::DefaultFlags);
6035                         pl->add_region (nr, pos);
6036
6037                         break;
6038                 }
6039         }
6040
6041         pl->thaw ();
6042
6043         XMLNode& after (pl->get_state());
6044
6045         session->add_command (new MementoCommand<Playlist>(*pl, &before, &after));
6046 }
6047
6048 void
6049 Editor::tab_to_transient (bool forward)
6050 {
6051         AnalysisFeatureList positions;
6052
6053         if (!session) {
6054                 return;
6055         }
6056
6057         nframes64_t pos = session->audible_frame ();
6058
6059         if (!selection->tracks.empty()) {
6060
6061                 for (TrackSelection::iterator t = selection->tracks.begin(); t != selection->tracks.end(); ++t) {
6062
6063                         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*t);
6064
6065                         if (rtv) {
6066                                 boost::shared_ptr<Diskstream> ds = rtv->get_diskstream();
6067                                 if (ds) {
6068                                         boost::shared_ptr<Playlist> pl = rtv->get_diskstream()->playlist ();
6069                                         if (pl) {
6070                                                 nframes64_t result = pl->find_next_transient (pos, forward ? 1 : -1);
6071
6072                                                 if (result >= 0) {
6073                                                         positions.push_back (result);
6074                                                 }
6075                                         }
6076                                 }
6077                         }
6078                 }
6079
6080         } else {
6081
6082                 RegionSelection rs;
6083
6084                 get_regions_for_action (rs);
6085
6086                 if (rs.empty()) {
6087                         return;
6088                 }
6089
6090                 for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
6091                         (*r)->region()->get_transients (positions);
6092                 }
6093         }
6094
6095         TransientDetector::cleanup_transients (positions, session->frame_rate(), 3.0);
6096
6097         if (forward) {
6098                 AnalysisFeatureList::iterator x;
6099
6100                 for (x = positions.begin(); x != positions.end(); ++x) {
6101                         if ((*x) > pos) {
6102                                 break;
6103                         }
6104                 }
6105
6106                 if (x != positions.end ()) {
6107                         session->request_locate (*x);
6108                 }
6109
6110         } else {
6111                 AnalysisFeatureList::reverse_iterator x;
6112
6113                 for (x = positions.rbegin(); x != positions.rend(); ++x) {
6114                         if ((*x) < pos) {
6115                                 break;
6116                         }
6117                 }
6118
6119                 if (x != positions.rend ()) {
6120                         session->request_locate (*x);
6121                 }
6122         }
6123 }
6124 void
6125 Editor::playhead_forward_to_grid ()
6126 {
6127         if (!session) return;
6128         nframes64_t pos = playhead_cursor->current_frame;
6129         if (pos < max_frames - 1) {
6130                 pos += 2;
6131                 snap_to_internal (pos, 1, false);
6132                 session->request_locate (pos);
6133         }
6134 }
6135
6136
6137 void
6138 Editor::playhead_backward_to_grid ()
6139 {
6140         if (!session) return;
6141         nframes64_t pos = playhead_cursor->current_frame;
6142         if (pos > 2) {
6143                 pos -= 2;
6144                 snap_to_internal (pos, -1, false);
6145                 session->request_locate (pos);
6146         }
6147 }
6148
6149 void
6150 Editor::set_track_height (uint32_t h)
6151 {
6152         TrackSelection& ts (selection->tracks);
6153
6154         for (TrackSelection::iterator x = ts.begin(); x != ts.end(); ++x) {
6155                 (*x)->set_height (h);
6156         }
6157 }
6158
6159 void
6160 Editor::toggle_tracks_active ()
6161 {
6162         TrackSelection& ts (selection->tracks);
6163         bool first = true;
6164         bool target = false;
6165
6166         if (ts.empty()) {
6167                 return;
6168         }
6169
6170         for (TrackSelection::iterator x = ts.begin(); x != ts.end(); ++x) {
6171                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*x);
6172
6173                 if (rtv) {
6174                         if (first) {
6175                                 target = !rtv->_route->active();
6176                                 first = false;
6177                         }
6178                         rtv->_route->set_active (target);
6179                 }
6180         }
6181 }
6182
6183 void
6184 Editor::remove_tracks ()
6185 {
6186         TrackSelection& ts (selection->tracks);
6187
6188         if (ts.empty()) {
6189                 return;
6190         }
6191
6192         vector<string> choices;
6193         string prompt;
6194         int ntracks = 0;
6195         int nbusses = 0;
6196         const char* trackstr;
6197         const char* busstr;
6198         vector<boost::shared_ptr<Route> > routes;
6199
6200         for (TrackSelection::iterator x = ts.begin(); x != ts.end(); ++x) {
6201                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*x);
6202                 if (rtv) {
6203                         if (rtv->is_track()) {
6204                                 ntracks++;
6205                         } else {
6206                                 nbusses++;
6207                         }
6208                 }
6209                 routes.push_back (rtv->_route);
6210         }
6211
6212         if (ntracks + nbusses == 0) {
6213                 return;
6214         }
6215
6216         if (ntracks > 1) {
6217                 trackstr = _("tracks");
6218         } else {
6219                 trackstr = _("track");
6220         }
6221
6222         if (nbusses > 1) {
6223                 busstr = _("busses");
6224         } else {
6225                 busstr = _("bus");
6226         }
6227
6228         if (ntracks) {
6229                 if (nbusses) {
6230                         prompt  = string_compose (_("Do you really want to remove %1 %2 and %3 %4?\n"
6231                                                     "(You may also lose the playlists associated with the %2)\n\n"
6232                                                     "This action cannot be undone!"),
6233                                                   ntracks, trackstr, nbusses, busstr);
6234                 } else {
6235                         prompt  = string_compose (_("Do you really want to remove %1 %2?\n"
6236                                                     "(You may also lose the playlists associated with the %2)\n\n"
6237                                                     "This action cannot be undone!"),
6238                                                   ntracks, trackstr);
6239                 }
6240         } else if (nbusses) {
6241                 prompt  = string_compose (_("Do you really want to remove %1 %2?"),
6242                                           nbusses, busstr);
6243         }
6244
6245         choices.push_back (_("No, do nothing."));
6246         if (ntracks + nbusses > 1) {
6247                 choices.push_back (_("Yes, remove them."));
6248         } else {
6249                 choices.push_back (_("Yes, remove it."));
6250         }
6251
6252         Choice prompter (prompt, choices);
6253
6254         if (prompter.run () != 1) {
6255                 return;
6256         }
6257
6258         for (vector<boost::shared_ptr<Route> >::iterator x = routes.begin(); x != routes.end(); ++x) {
6259                 session->remove_route (*x);
6260         }
6261 }
6262
6263 void
6264 Editor::do_insert_time ()
6265 {
6266         if (selection->tracks.empty()) {
6267                 return;
6268         }
6269
6270         ArdourDialog d (*this, _("Insert Time"));
6271
6272         nframes64_t const pos = get_preferred_edit_position ();
6273
6274         d.get_vbox()->set_border_width (12);
6275         d.get_vbox()->set_spacing (4);
6276
6277         Table table (2, 2);
6278         table.set_spacings (4);
6279
6280         Label time_label (_("Time to insert:"));
6281         time_label.set_alignment (1, 0.5);
6282         table.attach (time_label, 0, 1, 0, 1, FILL | EXPAND);
6283         AudioClock clock ("insertTimeClock", true, X_("InsertTimeClock"), true, true, true);
6284         clock.set (0);
6285         clock.set_session (session);
6286         clock.set_bbt_reference (pos);
6287         table.attach (clock, 1, 2, 0, 1);
6288
6289         Label intersected_label (_("Intersected regions should:"));
6290         intersected_label.set_alignment (1, 0.5);
6291         table.attach (intersected_label, 0, 1, 1, 2, FILL | EXPAND);
6292         ComboBoxText intersected_combo;
6293         intersected_combo.append_text (_("stay in position"));
6294         intersected_combo.append_text (_("move"));
6295         intersected_combo.append_text (_("be split"));
6296         intersected_combo.set_active (0);
6297         table.attach (intersected_combo, 1, 2, 1, 2);
6298
6299         d.get_vbox()->pack_start (table);
6300
6301         CheckButton move_glued (_("Move glued regions"));
6302         d.get_vbox()->pack_start (move_glued);
6303         CheckButton move_markers (_("Move markers"));
6304         d.get_vbox()->pack_start (move_markers);
6305         CheckButton move_tempos (_("Move tempo and meter changes"));
6306         d.get_vbox()->pack_start (move_tempos);
6307
6308         d.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
6309         d.add_button (_("Insert time"), Gtk::RESPONSE_OK);
6310         d.show_all ();
6311
6312         int response = d.run ();
6313
6314         if (response != RESPONSE_OK) {
6315                 return;
6316         }
6317
6318         nframes64_t distance = clock.current_duration (pos);
6319
6320         if (distance == 0) {
6321                 return;
6322         }
6323
6324         InsertTimeOption opt;
6325
6326         switch (intersected_combo.get_active_row_number ()) {
6327         case 0:
6328                 opt = LeaveIntersected;
6329                 break;
6330         case 1:
6331                 opt = MoveIntersected;
6332                 break;
6333         case 2:
6334                 opt = SplitIntersected;
6335                 break;
6336         }
6337
6338         insert_time (pos, distance, opt, move_glued.get_active(), move_markers.get_active(), move_tempos.get_active());
6339 }
6340
6341 void
6342 Editor::insert_time (nframes64_t pos, nframes64_t frames, InsertTimeOption opt,
6343                      bool ignore_music_glue, bool markers_too, bool tempo_too)
6344 {
6345         bool commit = false;
6346
6347         if (Config->get_edit_mode() == Lock) {
6348                 return;
6349         }
6350
6351         begin_reversible_command (_("insert time"));
6352
6353         for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
6354                 /* regions */
6355                 boost::shared_ptr<Playlist> pl = (*x)->playlist();
6356
6357                 if (pl) {
6358
6359                         XMLNode &before = pl->get_state();
6360
6361                         if (opt == SplitIntersected) {
6362                                 pl->split (pos);
6363                         }
6364
6365                         pl->shift (pos, frames, (opt == MoveIntersected), ignore_music_glue);
6366
6367                         XMLNode &after = pl->get_state();
6368
6369                         session->add_command (new MementoCommand<Playlist> (*pl, &before, &after));
6370                         commit = true;
6371                 }
6372
6373                 /* automation */
6374                 RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (*x);
6375                 if (rtav) {
6376                         rtav->route ()->shift (pos, frames);
6377                         commit = true;
6378                 }
6379         }
6380
6381         /* markers */
6382         if (markers_too) {
6383                 bool moved = false;
6384                 XMLNode& before (session->locations()->get_state());
6385                 Locations::LocationList copy (session->locations()->list());
6386
6387                 for (Locations::LocationList::iterator i = copy.begin(); i != copy.end(); ++i) {
6388
6389                         Locations::LocationList::const_iterator tmp;
6390
6391                         if ((*i)->start() >= pos) {
6392                                 (*i)->set_start ((*i)->start() + frames);
6393                                 if (!(*i)->is_mark()) {
6394                                         (*i)->set_end ((*i)->end() + frames);
6395                                 }
6396                                 moved = true;
6397                         }
6398                 }
6399
6400                 if (moved) {
6401                         XMLNode& after (session->locations()->get_state());
6402                         session->add_command (new MementoCommand<Locations>(*session->locations(), &before, &after));
6403                 }
6404         }
6405
6406         if (tempo_too) {
6407                 session->tempo_map().insert_time (pos, frames);
6408         }
6409
6410         if (commit) {
6411                 commit_reversible_command ();
6412         }
6413 }
6414
6415 void
6416 Editor::fit_selected_tracks ()
6417 {
6418         fit_tracks (selection->tracks);
6419 }
6420
6421 void
6422 Editor::fit_tracks (TrackSelection & tracks)
6423 {
6424         if (tracks.empty()) {
6425                 return;
6426         }
6427
6428         uint32_t child_heights = 0;
6429
6430         for (TrackSelection::iterator t = tracks.begin(); t != tracks.end(); ++t) {
6431
6432                 if (!(*t)->marked_for_display()) {
6433                         continue;
6434                 }
6435
6436                 child_heights += (*t)->effective_height() - (*t)->current_height();
6437         }
6438
6439         uint32_t h = (uint32_t) floor ((_canvas_height - child_heights - canvas_timebars_vsize) / tracks.size());
6440         double first_y_pos = DBL_MAX;
6441
6442         if (h < TimeAxisView::hSmall) {
6443                 MessageDialog msg (*this, _("There are too many tracks to fit in the current window"));
6444                 /* too small to be displayed */
6445                 return;
6446         }
6447
6448         undo_visual_stack.push_back (current_visual_state());
6449
6450         /* operate on all tracks, hide unselected ones that are in the middle of selected ones */
6451
6452         bool prev_was_selected = false;
6453         bool is_selected = tracks.contains (track_views.front());
6454         bool next_is_selected;
6455
6456         for (TrackViewList::iterator t = track_views.begin(); t != track_views.end(); ++t) {
6457
6458                 TrackViewList::iterator next;
6459
6460                 next = t;
6461                 ++next;
6462
6463                 if (next != track_views.end()) {
6464                         next_is_selected = tracks.contains (*next);
6465                 } else {
6466                         next_is_selected = false;
6467                 }
6468
6469                 if (is_selected) {
6470                         (*t)->set_height (h);
6471                         first_y_pos = std::min ((*t)->y_position (), first_y_pos);
6472                 } else {
6473                         if (prev_was_selected && next_is_selected) {
6474                                 hide_track_in_display (**t);
6475                         }
6476                 }
6477
6478                 prev_was_selected = is_selected;
6479                 is_selected = next_is_selected;
6480         }
6481
6482         /*
6483            set the controls_layout height now, because waiting for its size
6484            request signal handler will cause the vertical adjustment setting to fail
6485         */
6486
6487         controls_layout.property_height () = full_canvas_height - canvas_timebars_vsize;
6488         vertical_adjustment.set_value (first_y_pos);
6489
6490         redo_visual_stack.push_back (current_visual_state());
6491 }
6492
6493 void
6494 Editor::save_visual_state (uint32_t n)
6495 {
6496         while (visual_states.size() <= n) {
6497                 visual_states.push_back (0);
6498         }
6499
6500         delete visual_states[n];
6501
6502         visual_states[n] = current_visual_state (true);
6503         gdk_beep ();
6504 }
6505
6506 void
6507 Editor::goto_visual_state (uint32_t n)
6508 {
6509         if (visual_states.size() <= n) {
6510                 return;
6511         }
6512
6513         if (visual_states[n] == 0) {
6514                 return;
6515         }
6516
6517         use_visual_state (*visual_states[n]);
6518 }
6519
6520 void
6521 Editor::start_visual_state_op (uint32_t n)
6522 {
6523         cerr << "Start visual op\n";
6524         if (visual_state_op_connection.empty()) {
6525                 visual_state_op_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::end_visual_state_op), n), 1000);
6526                 cerr << "\tqueued new timeout\n";
6527         }
6528 }
6529
6530 void
6531 Editor::cancel_visual_state_op (uint32_t n)
6532 {
6533         if (!visual_state_op_connection.empty()) {
6534                 cerr << "cancel visual op, time to goto\n";
6535                 visual_state_op_connection.disconnect();
6536                 goto_visual_state (n);
6537         } else {
6538                 cerr << "cancel visual op, do nothing\n";
6539         }
6540 }
6541
6542 bool
6543 Editor::end_visual_state_op (uint32_t n)
6544 {
6545         visual_state_op_connection.disconnect();
6546         save_visual_state (n);
6547
6548         PopUp* pup = new PopUp (WIN_POS_MOUSE, 1000, true);
6549         char buf[32];
6550         snprintf (buf, sizeof (buf), _("Saved view %u"), n+1);
6551         pup->set_text (buf);
6552         pup->touch();
6553
6554         return false; // do not call again
6555 }
6556