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