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