gtk2_ardour/editor_ops.cc

   1 /*
   2     Copyright (C) 2000-2004 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 /* Note: public Editor methods are documented in public_editor.h */
  21
  22 #include <unistd.h>
  23
  24 #include <cstdlib>
  25 #include <cmath>
  26 #include <string>
  27 #include <map>
  28 #include <set>
  29
  30 #include "pbd/error.h"
  31 #include "pbd/basename.h"
  32 #include "pbd/pthread_utils.h"
  33 #include "pbd/memento_command.h"
  34 #include "pbd/whitespace.h"
  35
  36 #include <gtkmm2ext/utils.h>
  37 #include <gtkmm2ext/choice.h>
  38 #include <gtkmm2ext/window_title.h>
  39 #include <gtkmm2ext/popup.h>
  40
  41 #include "ardour/audioengine.h"
  42 #include "ardour/session.h"
  43 #include "ardour/audioplaylist.h"
  44 #include "ardour/audioregion.h"
  45 #include "ardour/audio_diskstream.h"
  46 #include "ardour/utils.h"
  47 #include "ardour/location.h"
  48 #include "ardour/named_selection.h"
  49 #include "ardour/audio_track.h"
  50 #include "ardour/audioplaylist.h"
  51 #include "ardour/region_factory.h"
  52 #include "ardour/playlist_factory.h"
  53 #include "ardour/reverse.h"
  54 #include "ardour/transient_detector.h"
  55 #include "ardour/dB.h"
  56 #include "ardour/quantize.h"
  57 #include "ardour/strip_silence.h"
  58 #include "ardour/route_group.h"
  59
  60 #include "ardour_ui.h"
  61 #include "editor.h"
  62 #include "time_axis_view.h"
  63 #include "route_time_axis.h"
  64 #include "audio_time_axis.h"
  65 #include "automation_time_axis.h"
  66 #include "streamview.h"
  67 #include "audio_streamview.h"
  68 #include "audio_region_view.h"
  69 #include "midi_region_view.h"
  70 #include "rgb_macros.h"
  71 #include "selection_templates.h"
  72 #include "selection.h"
  73 #include "editing.h"
  74 #include "gtk-custom-hruler.h"
  75 #include "gui_thread.h"
  76 #include "keyboard.h"
  77 #include "utils.h"
  78 #include "editor_drag.h"
  79 #include "strip_silence_dialog.h"
  80 #include "editor_route_list.h"
  81
  82 #include "i18n.h"
  83
  84 using namespace std;
  85 using namespace ARDOUR;
  86 using namespace PBD;
  87 using namespace sigc;
  88 using namespace Gtk;
  89 using namespace Gtkmm2ext;
  90 using namespace Editing;
  91
  92 /***********************************************************************
  93   Editor operations
  94  ***********************************************************************/
  95
  96 void
  97 Editor::undo (uint32_t n)
  98 {
  99         if (session) {
 100                 session->undo (n);
 101         }
 102 }
 103
 104 void
 105 Editor::redo (uint32_t n)
 106 {
 107         if (session) {
 108                 session->redo (n);
 109         }
 110 }
 111
 112 void
 113 Editor::split_region ()
 114 {
 115         RegionSelection rs;
 116
 117         get_regions_for_action (rs, true);
 118         split_regions_at (get_preferred_edit_position (), selection->regions);
 119 }
 120
 121 void
 122 Editor::split_regions_at (nframes64_t where, RegionSelection& regions)
 123 {
 124         list <boost::shared_ptr<Playlist > > used_playlists;
 125
 126         if (regions.empty()) {
 127                 return;
 128         }
 129
 130         begin_reversible_command (_("split"));
 131
 132         // if splitting a single region, and snap-to is using
 133         // region boundaries, don't pay attention to them
 134
 135         if (regions.size() == 1) {
 136                 switch (snap_type) {
 137                 case SnapToRegionStart:
 138                 case SnapToRegionSync:
 139                 case SnapToRegionEnd:
 140                         break;
 141                 default:
 142                         snap_to (where);
 143                 }
 144         } else {
 145                 snap_to (where);
 146         }
 147
 148         for (RegionSelection::iterator a = regions.begin(); a != regions.end(); ) {
 149
 150                 RegionSelection::iterator tmp;
 151
 152                 /* XXX this test needs to be more complicated, to make sure we really
 153                    have something to split.
 154                 */
 155
 156                 if (!(*a)->region()->covers (where)) {
 157                         ++a;
 158                         continue;
 159                 }
 160
 161                 tmp = a;
 162                 ++tmp;
 163
 164                 boost::shared_ptr<Playlist> pl = (*a)->region()->playlist();
 165
 166                 if (! pl->frozen()) {
 167                         /* we haven't seen this playlist before */
 168
 169                         /* remember used playlists so we can thaw them later */
 170                         used_playlists.push_back(pl);
 171                         pl->freeze();
 172                 }
 173
 174                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*a);
 175                 if (arv) {
 176                         _new_regionviews_show_envelope = arv->envelope_visible();
 177                 }
 178
 179                 if (pl) {
 180                         XMLNode &before = pl->get_state();
 181                         pl->split_region ((*a)->region(), where);
 182                         XMLNode &after = pl->get_state();
 183                         session->add_command(new MementoCommand<Playlist>(*pl, &before, &after));
 184                 }
 185
 186                 a = tmp;
 187         }
 188
 189         while (used_playlists.size() > 0) {
 190                 list <boost::shared_ptr<Playlist > >::iterator i = used_playlists.begin();
 191                 (*i)->thaw();
 192                 used_playlists.pop_front();
 193         }
 194
 195         commit_reversible_command ();
 196         _new_regionviews_show_envelope = false;
 197 }
 198
 199 boost::shared_ptr<Region>
 200 Editor::select_region_for_operation (int dir, TimeAxisView **tv)
 201 {
 202         RegionView* rv;
 203         boost::shared_ptr<Region> region;
 204         nframes64_t start = 0;
 205
 206         if (selection->time.start () == selection->time.end_frame ()) {
 207
 208                 /* no current selection-> is there a selected regionview? */
 209
 210                 if (selection->regions.empty()) {
 211                         return region;
 212                 }
 213
 214         }
 215
 216         if (!selection->regions.empty()) {
 217
 218                 rv = *(selection->regions.begin());
 219                 (*tv) = &rv->get_time_axis_view();
 220                 region = rv->region();
 221
 222         } else if (!selection->tracks.empty()) {
 223
 224                 (*tv) = selection->tracks.front();
 225
 226                 RouteTimeAxisView* rtv;
 227
 228                 if ((rtv = dynamic_cast<RouteTimeAxisView*> (*tv)) != 0) {
 229                         boost::shared_ptr<Playlist> pl;
 230
 231                         if ((pl = rtv->playlist()) == 0) {
 232                                 return region;
 233                         }
 234
 235                         region = pl->top_region_at (start);
 236                 }
 237         }
 238
 239         return region;
 240 }
 241
 242 void
 243 Editor::extend_selection_to_end_of_region (bool next)
 244 {
 245         TimeAxisView *tv;
 246         boost::shared_ptr<Region> region;
 247         nframes64_t start;
 248
 249         if ((region = select_region_for_operation (next ? 1 : 0, &tv)) == 0) {
 250                 return;
 251         }
 252
 253         if (region && selection->time.start () == selection->time.end_frame ()) {
 254                 start = region->position();
 255         } else {
 256                 start = selection->time.start ();
 257         }
 258
 259         /* Try to leave the selection with the same route if possible */
 260
 261         if ((tv = selection->time.track) == 0) {
 262                 return;
 263         }
 264
 265         begin_reversible_command (_("extend selection"));
 266         selection->set (tv, start, region->position() + region->length());
 267         commit_reversible_command ();
 268 }
 269
 270 void
 271 Editor::extend_selection_to_start_of_region (bool previous)
 272 {
 273         TimeAxisView *tv;
 274         boost::shared_ptr<Region> region;
 275         nframes64_t end;
 276
 277         if ((region = select_region_for_operation (previous ? -1 : 0, &tv)) == 0) {
 278                 return;
 279         }
 280
 281         if (region && selection->time.start () == selection->time.end_frame ()) {
 282                 end = region->position() + region->length();
 283         } else {
 284                 end = selection->time.end_frame ();
 285         }
 286
 287         /* Try to leave the selection with the same route if possible */
 288
 289         if ((tv = selection->time.track) == 0) {
 290                 return;
 291         }
 292
 293         begin_reversible_command (_("extend selection"));
 294         selection->set (tv, region->position(), end);
 295         commit_reversible_command ();
 296 }
 297
 298 bool
 299 Editor::nudge_forward_release (GdkEventButton* ev)
 300 {
 301         if (ev->state & Keyboard::PrimaryModifier) {
 302                 nudge_forward (false, true);
 303         } else {
 304                 nudge_forward (false, false);
 305         }
 306         return false;
 307 }
 308
 309 bool
 310 Editor::nudge_backward_release (GdkEventButton* ev)
 311 {
 312         if (ev->state & Keyboard::PrimaryModifier) {
 313                 nudge_backward (false, true);
 314         } else {
 315                 nudge_backward (false, false);
 316         }
 317         return false;
 318 }
 319
 320
 321 void
 322 Editor::nudge_forward (bool next, bool force_playhead)
 323 {
 324         nframes64_t distance;
 325         nframes64_t next_distance;
 326         RegionSelection rs;
 327
 328         get_regions_for_action (rs);
 329
 330         if (!session) return;
 331
 332         if (!force_playhead && !rs.empty()) {
 333
 334                 begin_reversible_command (_("nudge regions forward"));
 335
 336                 for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
 337                         boost::shared_ptr<Region> r ((*i)->region());
 338
 339                         distance = get_nudge_distance (r->position(), next_distance);
 340
 341                         if (next) {
 342                                 distance = next_distance;
 343                         }
 344
 345                         XMLNode &before = r->playlist()->get_state();
 346                         r->set_position (r->position() + distance, this);
 347                         XMLNode &after = r->playlist()->get_state();
 348                         session->add_command (new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
 349                 }
 350
 351                 commit_reversible_command ();
 352
 353
 354         } else if (!force_playhead && !selection->markers.empty()) {
 355
 356                 bool is_start;
 357
 358                 begin_reversible_command (_("nudge location forward"));
 359
 360                 for (MarkerSelection::iterator i = selection->markers.begin(); i != selection->markers.end(); ++i) {
 361
 362                         Location* loc = find_location_from_marker ((*i), is_start);
 363
 364                         if (loc) {
 365
 366                                 XMLNode& before (loc->get_state());
 367
 368                                 if (is_start) {
 369                                         distance = get_nudge_distance (loc->start(), next_distance);
 370                                         if (next) {
 371                                                 distance = next_distance;
 372                                         }
 373                                         if (max_frames - distance > loc->start() + loc->length()) {
 374                                                 loc->set_start (loc->start() + distance);
 375                                         } else {
 376                                                 loc->set_start (max_frames - loc->length());
 377                                         }
 378                                 } else {
 379                                         distance = get_nudge_distance (loc->end(), next_distance);
 380                                         if (next) {
 381                                                 distance = next_distance;
 382                                         }
 383                                         if (max_frames - distance > loc->end()) {
 384                                                 loc->set_end (loc->end() + distance);
 385                                         } else {
 386                                                 loc->set_end (max_frames);
 387                                         }
 388                                 }
 389                                 XMLNode& after (loc->get_state());
 390                                 session->add_command (new MementoCommand<Location>(*loc, &before, &after));
 391                         }
 392                 }
 393
 394                 commit_reversible_command ();
 395
 396         } else {
 397                 distance = get_nudge_distance (playhead_cursor->current_frame, next_distance);
 398                 session->request_locate (playhead_cursor->current_frame + distance);
 399         }
 400 }
 401
 402 void
 403 Editor::nudge_backward (bool next, bool force_playhead)
 404 {
 405         nframes64_t distance;
 406         nframes64_t next_distance;
 407         RegionSelection rs;
 408
 409         get_regions_for_action (rs);
 410
 411         if (!session) return;
 412
 413         if (!force_playhead && !rs.empty()) {
 414
 415                 begin_reversible_command (_("nudge regions backward"));
 416
 417                 for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
 418                         boost::shared_ptr<Region> r ((*i)->region());
 419
 420                         distance = get_nudge_distance (r->position(), next_distance);
 421
 422                         if (next) {
 423                                 distance = next_distance;
 424                         }
 425
 426                         XMLNode &before = r->playlist()->get_state();
 427
 428                         if (r->position() > distance) {
 429                                 r->set_position (r->position() - distance, this);
 430                         } else {
 431                                 r->set_position (0, this);
 432                         }
 433                         XMLNode &after = r->playlist()->get_state();
 434                         session->add_command(new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
 435                 }
 436
 437                 commit_reversible_command ();
 438
 439         } else if (!force_playhead && !selection->markers.empty()) {
 440
 441                 bool is_start;
 442
 443                 begin_reversible_command (_("nudge location forward"));
 444
 445                 for (MarkerSelection::iterator i = selection->markers.begin(); i != selection->markers.end(); ++i) {
 446
 447                         Location* loc = find_location_from_marker ((*i), is_start);
 448
 449                         if (loc) {
 450
 451                                 XMLNode& before (loc->get_state());
 452
 453                                 if (is_start) {
 454                                         distance = get_nudge_distance (loc->start(), next_distance);
 455                                         if (next) {
 456                                                 distance = next_distance;
 457                                         }
 458                                         if (distance < loc->start()) {
 459                                                 loc->set_start (loc->start() - distance);
 460                                         } else {
 461                                                 loc->set_start (0);
 462                                         }
 463                                 } else {
 464                                         distance = get_nudge_distance (loc->end(), next_distance);
 465
 466                                         if (next) {
 467                                                 distance = next_distance;
 468                                         }
 469
 470                                         if (distance < loc->end() - loc->length()) {
 471                                                 loc->set_end (loc->end() - distance);
 472                                         } else {
 473                                                 loc->set_end (loc->length());
 474                                         }
 475                                 }
 476
 477                                 XMLNode& after (loc->get_state());
 478                                 session->add_command (new MementoCommand<Location>(*loc, &before, &after));
 479                         }
 480                 }
 481
 482                 commit_reversible_command ();
 483
 484         } else {
 485
 486                 distance = get_nudge_distance (playhead_cursor->current_frame, next_distance);
 487
 488                 if (playhead_cursor->current_frame > distance) {
 489                         session->request_locate (playhead_cursor->current_frame - distance);
 490                 } else {
 491                         session->goto_start();
 492                 }
 493         }
 494 }
 495
 496 void
 497 Editor::nudge_forward_capture_offset ()
 498 {
 499         nframes64_t distance;
 500         RegionSelection rs;
 501
 502         get_regions_for_action (rs);
 503
 504         if (!session) return;
 505
 506         if (!rs.empty()) {
 507
 508                 begin_reversible_command (_("nudge forward"));
 509
 510                 distance = session->worst_output_latency();
 511
 512                 for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
 513                         boost::shared_ptr<Region> r ((*i)->region());
 514
 515                         XMLNode &before = r->playlist()->get_state();
 516                         r->set_position (r->position() + distance, this);
 517                         XMLNode &after = r->playlist()->get_state();
 518                         session->add_command(new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
 519                 }
 520
 521                 commit_reversible_command ();
 522
 523         }
 524 }
 525
 526 void
 527 Editor::nudge_backward_capture_offset ()
 528 {
 529         nframes64_t distance;
 530         RegionSelection rs;
 531
 532         get_regions_for_action (rs);
 533
 534         if (!session) return;
 535
 536         if (!rs.empty()) {
 537
 538                 begin_reversible_command (_("nudge forward"));
 539
 540                 distance = session->worst_output_latency();
 541
 542                 for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
 543                         boost::shared_ptr<Region> r ((*i)->region());
 544
 545                         XMLNode &before = r->playlist()->get_state();
 546
 547                         if (r->position() > distance) {
 548                                 r->set_position (r->position() - distance, this);
 549                         } else {
 550                                 r->set_position (0, this);
 551                         }
 552                         XMLNode &after = r->playlist()->get_state();
 553                         session->add_command(new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
 554                 }
 555
 556                 commit_reversible_command ();
 557         }
 558 }
 559
 560 /* DISPLAY MOTION */
 561
 562 void
 563 Editor::move_to_start ()
 564 {
 565         session->goto_start ();
 566 }
 567
 568 void
 569 Editor::move_to_end ()
 570 {
 571
 572         session->request_locate (session->current_end_frame());
 573 }
 574
 575 void
 576 Editor::build_region_boundary_cache ()
 577 {
 578         nframes64_t pos = 0;
 579         vector<RegionPoint> interesting_points;
 580         boost::shared_ptr<Region> r;
 581         TrackViewList tracks;
 582         bool at_end = false;
 583
 584         region_boundary_cache.clear ();
 585
 586         if (session == 0) {
 587                 return;
 588         }
 589
 590         switch (snap_type) {
 591         case SnapToRegionStart:
 592                 interesting_points.push_back (Start);
 593                 break;
 594         case SnapToRegionEnd:
 595                 interesting_points.push_back (End);
 596                 break;
 597         case SnapToRegionSync:
 598                 interesting_points.push_back (SyncPoint);
 599                 break;
 600         case SnapToRegionBoundary:
 601                 interesting_points.push_back (Start);
 602                 interesting_points.push_back (End);
 603                 break;
 604         default:
 605                 fatal << string_compose (_("build_region_boundary_cache called with snap_type = %1"), snap_type) << endmsg;
 606                 /*NOTREACHED*/
 607                 return;
 608         }
 609
 610         TimeAxisView *ontrack = 0;
 611         TrackViewList tlist;
 612
 613         if (!selection->tracks.empty()) {
 614                 tlist = selection->tracks;
 615         } else {
 616                 tlist = track_views;
 617         }
 618
 619         while (pos < session->current_end_frame() && !at_end) {
 620
 621                 nframes64_t rpos;
 622                 nframes64_t lpos = max_frames;
 623
 624                 for (vector<RegionPoint>::iterator p = interesting_points.begin(); p != interesting_points.end(); ++p) {
 625
 626                         if ((r = find_next_region (pos, *p, 1, tlist, &ontrack)) == 0) {
 627                                 if (*p == interesting_points.back()) {
 628                                         at_end = true;
 629                                 }
 630                                 /* move to next point type */
 631                                 continue;
 632                         }
 633
 634                         switch (*p) {
 635                         case Start:
 636                                 rpos = r->first_frame();
 637                                 break;
 638
 639                         case End:
 640                                 rpos = r->last_frame();
 641                                 break;
 642
 643                         case SyncPoint:
 644                                 rpos = r->sync_position ();
 645                                 //r->adjust_to_sync (r->first_frame());
 646                                 break;
 647
 648                         default:
 649                                 break;
 650                         }
 651
 652                         float speed = 1.0f;
 653                         RouteTimeAxisView *rtav;
 654
 655                         if (ontrack != 0 && (rtav = dynamic_cast<RouteTimeAxisView*>(ontrack)) != 0 ) {
 656                                 if (rtav->get_diskstream() != 0) {
 657                                         speed = rtav->get_diskstream()->speed();
 658                                 }
 659                         }
 660
 661                         rpos = track_frame_to_session_frame (rpos, speed);
 662
 663                         if (rpos < lpos) {
 664                                 lpos = rpos;
 665                         }
 666
 667                         /* prevent duplicates, but we don't use set<> because we want to be able
 668                            to sort later.
 669                         */
 670
 671                         vector<nframes64_t>::iterator ri;
 672
 673                         for (ri = region_boundary_cache.begin(); ri != region_boundary_cache.end(); ++ri) {
 674                                 if (*ri == rpos) {
 675                                         break;
 676                                 }
 677                         }
 678
 679                         if (ri == region_boundary_cache.end()) {
 680                                 region_boundary_cache.push_back (rpos);
 681                         }
 682                 }
 683
 684                 pos = lpos + 1;
 685         }
 686
 687         /* finally sort to be sure that the order is correct */
 688
 689         sort (region_boundary_cache.begin(), region_boundary_cache.end());
 690 }
 691
 692 boost::shared_ptr<Region>
 693 Editor::find_next_region (nframes64_t frame, RegionPoint point, int32_t dir, TrackViewList& tracks, TimeAxisView **ontrack)
 694 {
 695         TrackViewList::iterator i;
 696         nframes64_t closest = max_frames;
 697         boost::shared_ptr<Region> ret;
 698         nframes64_t rpos = 0;
 699
 700         float track_speed;
 701         nframes64_t track_frame;
 702         RouteTimeAxisView *rtav;
 703
 704         for (i = tracks.begin(); i != tracks.end(); ++i) {
 705
 706                 nframes64_t distance;
 707                 boost::shared_ptr<Region> r;
 708
 709                 track_speed = 1.0f;
 710                 if ( (rtav = dynamic_cast<RouteTimeAxisView*>(*i)) != 0 ) {
 711                         if (rtav->get_diskstream()!=0)
 712                                 track_speed = rtav->get_diskstream()->speed();
 713                 }
 714
 715                 track_frame = session_frame_to_track_frame(frame, track_speed);
 716
 717                 if ((r = (*i)->find_next_region (track_frame, point, dir)) == 0) {
 718                         continue;
 719                 }
 720
 721                 switch (point) {
 722                 case Start:
 723                         rpos = r->first_frame ();
 724                         break;
 725
 726                 case End:
 727                         rpos = r->last_frame ();
 728                         break;
 729
 730                 case SyncPoint:
 731                         rpos = r->sync_position ();
 732                         // r->adjust_to_sync (r->first_frame());
 733                         break;
 734                 }
 735
 736                 // rpos is a "track frame", converting it to "session frame"
 737                 rpos = track_frame_to_session_frame(rpos, track_speed);
 738
 739                 if (rpos > frame) {
 740                         distance = rpos - frame;
 741                 } else {
 742                         distance = frame - rpos;
 743                 }
 744
 745                 if (distance < closest) {
 746                         closest = distance;
 747                         if (ontrack != 0)
 748                                 *ontrack = (*i);
 749                         ret = r;
 750                 }
 751         }
 752
 753         return ret;
 754 }
 755
 756 nframes64_t
 757 Editor::find_next_region_boundary (nframes64_t pos, int32_t dir, const TrackViewList& tracks)
 758 {
 759         nframes64_t distance = max_frames;
 760         nframes64_t current_nearest = -1;
 761
 762
 763         for (TrackViewList::const_iterator i = tracks.begin(); i != tracks.end(); ++i) {
 764                 nframes64_t contender;
 765                 nframes64_t d;
 766
 767                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*i);
 768
 769                 if (!rtv) {
 770                         continue;
 771                 }
 772
 773                 if ((contender = rtv->find_next_region_boundary (pos, dir)) < 0) {
 774                         continue;
 775                 }
 776
 777                 d = ::llabs (pos - contender);
 778
 779                 if (d < distance) {
 780                         current_nearest = contender;
 781                         distance = d;
 782                 }
 783         }
 784
 785         return current_nearest;
 786 }
 787
 788 nframes64_t
 789 Editor::get_region_boundary (nframes64_t pos, int32_t dir, bool with_selection, bool only_onscreen)
 790 {
 791         nframes64_t target;
 792         TrackViewList tvl;
 793
 794         if (with_selection && Config->get_region_boundaries_from_selected_tracks()) {
 795
 796                 if (!selection->tracks.empty()) {
 797
 798                         target = find_next_region_boundary (pos, dir, selection->tracks);
 799
 800                 } else {
 801
 802                         if (only_onscreen || Config->get_region_boundaries_from_onscreen_tracks()) {
 803                                 get_onscreen_tracks (tvl);
 804                                 target = find_next_region_boundary (pos, dir, tvl);
 805                         } else {
 806                                 target = find_next_region_boundary (pos, dir, track_views);
 807                         }
 808                 }
 809
 810         } else {
 811
 812                 if (only_onscreen || Config->get_region_boundaries_from_onscreen_tracks()) {
 813                         get_onscreen_tracks (tvl);
 814                         target = find_next_region_boundary (pos, dir, tvl);
 815                 } else {
 816                         target = find_next_region_boundary (pos, dir, track_views);
 817                 }
 818         }
 819
 820         return target;
 821 }
 822
 823 void
 824 Editor::cursor_to_region_boundary (bool with_selection, int32_t dir)
 825 {
 826         nframes64_t pos = playhead_cursor->current_frame;
 827         nframes64_t target;
 828
 829         if (!session) {
 830                 return;
 831         }
 832
 833         // so we don't find the current region again..
 834         if (dir > 0 || pos > 0) {
 835                 pos += dir;
 836         }
 837
 838         if ((target = get_region_boundary (pos, dir, with_selection, false)) < 0) {
 839                 return;
 840         }
 841
 842
 843         session->request_locate (target);
 844 }
 845
 846 void
 847 Editor::cursor_to_next_region_boundary (bool with_selection)
 848 {
 849         cursor_to_region_boundary (with_selection, 1);
 850 }
 851
 852 void
 853 Editor::cursor_to_previous_region_boundary (bool with_selection)
 854 {
 855         cursor_to_region_boundary (with_selection, -1);
 856 }
 857
 858 void
 859 Editor::cursor_to_region_point (EditorCursor* cursor, RegionPoint point, int32_t dir)
 860 {
 861         boost::shared_ptr<Region> r;
 862         nframes64_t pos = cursor->current_frame;
 863
 864         if (!session) {
 865                 return;
 866         }
 867
 868         TimeAxisView *ontrack = 0;
 869
 870         // so we don't find the current region again..
 871         if (dir>0 || pos>0)
 872                 pos+=dir;
 873
 874         if (!selection->tracks.empty()) {
 875
 876                 r = find_next_region (pos, point, dir, selection->tracks, &ontrack);
 877
 878         } else if (clicked_axisview) {
 879
 880                 TrackViewList t;
 881                 t.push_back (clicked_axisview);
 882
 883                 r = find_next_region (pos, point, dir, t, &ontrack);
 884
 885         } else {
 886
 887                 r = find_next_region (pos, point, dir, track_views, &ontrack);
 888         }
 889
 890         if (r == 0) {
 891                 return;
 892         }
 893
 894         switch (point){
 895         case Start:
 896                 pos = r->first_frame ();
 897                 break;
 898
 899         case End:
 900                 pos = r->last_frame ();
 901                 break;
 902
 903         case SyncPoint:
 904                 pos = r->sync_position ();
 905                 // r->adjust_to_sync (r->first_frame());
 906                 break;
 907         }
 908
 909         float speed = 1.0f;
 910         RouteTimeAxisView *rtav;
 911
 912         if ( ontrack != 0 && (rtav = dynamic_cast<RouteTimeAxisView*>(ontrack)) != 0 ) {
 913                 if (rtav->get_diskstream() != 0) {
 914                         speed = rtav->get_diskstream()->speed();
 915                 }
 916         }
 917
 918         pos = track_frame_to_session_frame(pos, speed);
 919
 920         if (cursor == playhead_cursor) {
 921                 session->request_locate (pos);
 922         } else {
 923                 cursor->set_position (pos);
 924         }
 925 }
 926
 927 void
 928 Editor::cursor_to_next_region_point (EditorCursor* cursor, RegionPoint point)
 929 {
 930         cursor_to_region_point (cursor, point, 1);
 931 }
 932
 933 void
 934 Editor::cursor_to_previous_region_point (EditorCursor* cursor, RegionPoint point)
 935 {
 936         cursor_to_region_point (cursor, point, -1);
 937 }
 938
 939 void
 940 Editor::cursor_to_selection_start (EditorCursor *cursor)
 941 {
 942         nframes64_t pos = 0;
 943         RegionSelection rs;
 944
 945         get_regions_for_action (rs);
 946
 947         switch (mouse_mode) {
 948         case MouseObject:
 949                 if (!rs.empty()) {
 950                         pos = rs.start();
 951                 }
 952                 break;
 953
 954         case MouseRange:
 955                 if (!selection->time.empty()) {
 956                         pos = selection->time.start ();
 957                 }
 958                 break;
 959
 960         default:
 961                 return;
 962         }
 963
 964         if (cursor == playhead_cursor) {
 965                 session->request_locate (pos);
 966         } else {
 967                 cursor->set_position (pos);
 968         }
 969 }
 970
 971 void
 972 Editor::cursor_to_selection_end (EditorCursor *cursor)
 973 {
 974         nframes64_t pos = 0;
 975         RegionSelection rs;
 976
 977         get_regions_for_action (rs);
 978
 979         switch (mouse_mode) {
 980         case MouseObject:
 981                 if (!rs.empty()) {
 982                         pos = rs.end_frame();
 983                 }
 984                 break;
 985
 986         case MouseRange:
 987                 if (!selection->time.empty()) {
 988                         pos = selection->time.end_frame ();
 989                 }
 990                 break;
 991
 992         default:
 993                 return;
 994         }
 995
 996         if (cursor == playhead_cursor) {
 997                 session->request_locate (pos);
 998         } else {
 999                 cursor->set_position (pos);
1000         }
1001 }
1002
1003 void
1004 Editor::selected_marker_to_region_boundary (bool with_selection, int32_t dir)
1005 {
1006         nframes64_t target;
1007         Location* loc;
1008         bool ignored;
1009
1010         if (!session) {
1011                 return;
1012         }
1013
1014         if (selection->markers.empty()) {
1015                 nframes64_t mouse;
1016                 bool ignored;
1017
1018                 if (!mouse_frame (mouse, ignored)) {
1019                         return;
1020                 }
1021
1022                 add_location_mark (mouse);
1023         }
1024
1025         if ((loc = find_location_from_marker (selection->markers.front(), ignored)) == 0) {
1026                 return;
1027         }
1028
1029         nframes64_t pos = loc->start();
1030
1031         // so we don't find the current region again..
1032         if (dir > 0 || pos > 0) {
1033                 pos += dir;
1034         }
1035
1036         if ((target = get_region_boundary (pos, dir, with_selection, false)) < 0) {
1037                 return;
1038         }
1039
1040         loc->move_to (target);
1041 }
1042
1043 void
1044 Editor::selected_marker_to_next_region_boundary (bool with_selection)
1045 {
1046         selected_marker_to_region_boundary (with_selection, 1);
1047 }
1048
1049 void
1050 Editor::selected_marker_to_previous_region_boundary (bool with_selection)
1051 {
1052         selected_marker_to_region_boundary (with_selection, -1);
1053 }
1054
1055 void
1056 Editor::selected_marker_to_region_point (RegionPoint point, int32_t dir)
1057 {
1058         boost::shared_ptr<Region> r;
1059         nframes64_t pos;
1060         Location* loc;
1061         bool ignored;
1062
1063         if (!session || selection->markers.empty()) {
1064                 return;
1065         }
1066
1067         if ((loc = find_location_from_marker (selection->markers.front(), ignored)) == 0) {
1068                 return;
1069         }
1070
1071         TimeAxisView *ontrack = 0;
1072
1073         pos = loc->start();
1074
1075         // so we don't find the current region again..
1076         if (dir>0 || pos>0)
1077                 pos+=dir;
1078
1079         if (!selection->tracks.empty()) {
1080
1081                 r = find_next_region (pos, point, dir, selection->tracks, &ontrack);
1082
1083         } else {
1084
1085                 r = find_next_region (pos, point, dir, track_views, &ontrack);
1086         }
1087
1088         if (r == 0) {
1089                 return;
1090         }
1091
1092         switch (point){
1093         case Start:
1094                 pos = r->first_frame ();
1095                 break;
1096
1097         case End:
1098                 pos = r->last_frame ();
1099                 break;
1100
1101         case SyncPoint:
1102                 pos = r->adjust_to_sync (r->first_frame());
1103                 break;
1104         }
1105
1106         float speed = 1.0f;
1107         RouteTimeAxisView *rtav;
1108
1109         if (ontrack != 0 && (rtav = dynamic_cast<RouteTimeAxisView*>(ontrack)) != 0) {
1110                 if (rtav->get_diskstream() != 0) {
1111                         speed = rtav->get_diskstream()->speed();
1112                 }
1113         }
1114
1115         pos = track_frame_to_session_frame(pos, speed);
1116
1117         loc->move_to (pos);
1118 }
1119
1120 void
1121 Editor::selected_marker_to_next_region_point (RegionPoint point)
1122 {
1123         selected_marker_to_region_point (point, 1);
1124 }
1125
1126 void
1127 Editor::selected_marker_to_previous_region_point (RegionPoint point)
1128 {
1129         selected_marker_to_region_point (point, -1);
1130 }
1131
1132 void
1133 Editor::selected_marker_to_selection_start ()
1134 {
1135         nframes64_t pos = 0;
1136         Location* loc;
1137         bool ignored;
1138
1139         if (!session || selection->markers.empty()) {
1140                 return;
1141         }
1142
1143         if ((loc = find_location_from_marker (selection->markers.front(), ignored)) == 0) {
1144                 return;
1145         }
1146
1147         RegionSelection rs;
1148
1149         get_regions_for_action (rs);
1150
1151         switch (mouse_mode) {
1152         case MouseObject:
1153                 if (!rs.empty()) {
1154                         pos = rs.start();
1155                 }
1156                 break;
1157
1158         case MouseRange:
1159                 if (!selection->time.empty()) {
1160                         pos = selection->time.start ();
1161                 }
1162                 break;
1163
1164         default:
1165                 return;
1166         }
1167
1168         loc->move_to (pos);
1169 }
1170
1171 void
1172 Editor::selected_marker_to_selection_end ()
1173 {
1174         nframes64_t pos = 0;
1175         Location* loc;
1176         bool ignored;
1177
1178         if (!session || selection->markers.empty()) {
1179                 return;
1180         }
1181
1182         if ((loc = find_location_from_marker (selection->markers.front(), ignored)) == 0) {
1183                 return;
1184         }
1185
1186         RegionSelection rs;
1187
1188         get_regions_for_action (rs);
1189
1190         switch (mouse_mode) {
1191         case MouseObject:
1192                 if (!rs.empty()) {
1193                         pos = rs.end_frame();
1194                 }
1195                 break;
1196
1197         case MouseRange:
1198                 if (!selection->time.empty()) {
1199                         pos = selection->time.end_frame ();
1200                 }
1201                 break;
1202
1203         default:
1204                 return;
1205         }
1206
1207         loc->move_to (pos);
1208 }
1209
1210 void
1211 Editor::scroll_playhead (bool forward)
1212 {
1213         nframes64_t pos = playhead_cursor->current_frame;
1214         nframes64_t delta = (nframes64_t) floor (current_page_frames() / 0.8);
1215
1216         if (forward) {
1217                 if (pos == max_frames) {
1218                         return;
1219                 }
1220
1221                 if (pos < max_frames - delta) {
1222                         pos += delta ;
1223                 } else {
1224                         pos = max_frames;
1225                 }
1226
1227         } else {
1228
1229                 if (pos == 0) {
1230                         return;
1231                 }
1232
1233                 if (pos > delta) {
1234                         pos -= delta;
1235                 } else {
1236                         pos = 0;
1237                 }
1238         }
1239
1240         session->request_locate (pos);
1241 }
1242
1243 void
1244 Editor::playhead_backward ()
1245 {
1246         nframes64_t pos;
1247         nframes64_t cnt;
1248         float prefix;
1249         bool was_floating;
1250
1251         if (get_prefix (prefix, was_floating)) {
1252                 cnt = 1;
1253         } else {
1254                 if (was_floating) {
1255                         cnt = (nframes64_t) floor (prefix * session->frame_rate ());
1256                 } else {
1257                         cnt = (nframes64_t) prefix;
1258                 }
1259         }
1260
1261         pos = playhead_cursor->current_frame;
1262
1263         if ((nframes64_t) pos < cnt) {
1264                 pos = 0;
1265         } else {
1266                 pos -= cnt;
1267         }
1268
1269         /* XXX this is completely insane. with the current buffering
1270            design, we'll force a complete track buffer flush and
1271            reload, just to move 1 sample !!!
1272         */
1273
1274         session->request_locate (pos);
1275 }
1276
1277 void
1278 Editor::playhead_forward ()
1279 {
1280         nframes64_t pos;
1281         nframes64_t cnt;
1282         bool was_floating;
1283         float prefix;
1284
1285         if (get_prefix (prefix, was_floating)) {
1286                 cnt = 1;
1287         } else {
1288                 if (was_floating) {
1289                         cnt = (nframes64_t) floor (prefix * session->frame_rate ());
1290                 } else {
1291                         cnt = (nframes64_t) floor (prefix);
1292                 }
1293         }
1294
1295         pos = playhead_cursor->current_frame;
1296
1297         /* XXX this is completely insane. with the current buffering
1298            design, we'll force a complete track buffer flush and
1299            reload, just to move 1 sample !!!
1300         */
1301
1302         session->request_locate (pos+cnt);
1303 }
1304
1305 void
1306 Editor::cursor_align (bool playhead_to_edit)
1307 {
1308         if (!session) {
1309                 return;
1310         }
1311
1312         if (playhead_to_edit) {
1313
1314                 if (selection->markers.empty()) {
1315                         return;
1316                 }
1317
1318                 session->request_locate (selection->markers.front()->position(), session->transport_rolling());
1319
1320         } else {
1321                 /* move selected markers to playhead */
1322
1323                 for (MarkerSelection::iterator i = selection->markers.begin(); i != selection->markers.end(); ++i) {
1324                         bool ignored;
1325
1326                         Location* loc = find_location_from_marker (*i, ignored);
1327
1328                         if (loc->is_mark()) {
1329                                 loc->set_start (playhead_cursor->current_frame);
1330                         } else {
1331                                 loc->set (playhead_cursor->current_frame,
1332                                           playhead_cursor->current_frame + loc->length());
1333                         }
1334                 }
1335         }
1336 }
1337
1338 void
1339 Editor::edit_cursor_backward ()
1340 {
1341         nframes64_t pos;
1342         nframes64_t cnt;
1343         float prefix;
1344         bool was_floating;
1345
1346         if (get_prefix (prefix, was_floating)) {
1347                 cnt = 1;
1348         } else {
1349                 if (was_floating) {
1350                         cnt = (nframes64_t) floor (prefix * session->frame_rate ());
1351                 } else {
1352                         cnt = (nframes64_t) prefix;
1353                 }
1354         }
1355
1356         if ((pos = get_preferred_edit_position()) < 0) {
1357                 return;
1358         }
1359
1360         if (pos < cnt) {
1361                 pos = 0;
1362         } else {
1363                 pos -= cnt;
1364         }
1365
1366         // EDIT CURSOR edit_cursor->set_position (pos);
1367 }
1368
1369 void
1370 Editor::edit_cursor_forward ()
1371 {
1372         //nframes64_t pos;
1373         nframes64_t cnt;
1374         bool was_floating;
1375         float prefix;
1376
1377         if (get_prefix (prefix, was_floating)) {
1378                 cnt = 1;
1379         } else {
1380                 if (was_floating) {
1381                         cnt = (nframes64_t) floor (prefix * session->frame_rate ());
1382                 } else {
1383                         cnt = (nframes64_t) floor (prefix);
1384                 }
1385         }
1386
1387         // pos = edit_cursor->current_frame;
1388         // EDIT CURSOR edit_cursor->set_position (pos+cnt);
1389 }
1390
1391 void
1392 Editor::goto_frame ()
1393 {
1394         float prefix;
1395         bool was_floating;
1396         nframes64_t frame;
1397
1398         if (get_prefix (prefix, was_floating)) {
1399                 return;
1400         }
1401
1402         if (was_floating) {
1403                 frame = (nframes64_t) floor (prefix * session->frame_rate());
1404         } else {
1405                 frame = (nframes64_t) floor (prefix);
1406         }
1407
1408         session->request_locate (frame);
1409 }
1410
1411 void
1412 Editor::scroll_backward (float pages)
1413 {
1414         nframes64_t frame;
1415         nframes64_t one_page = (nframes64_t) rint (_canvas_width * frames_per_unit);
1416         bool was_floating;
1417         float prefix;
1418         nframes64_t cnt;
1419
1420         if (get_prefix (prefix, was_floating)) {
1421                 cnt = (nframes64_t) floor (pages * one_page);
1422         } else {
1423                 if (was_floating) {
1424                         cnt = (nframes64_t) floor (prefix * session->frame_rate());
1425                 } else {
1426                         cnt = (nframes64_t) floor (prefix * one_page);
1427                 }
1428         }
1429
1430         if (leftmost_frame < cnt) {
1431                 frame = 0;
1432         } else {
1433                 frame = leftmost_frame - cnt;
1434         }
1435
1436         reset_x_origin (frame);
1437 }
1438
1439 void
1440 Editor::scroll_forward (float pages)
1441 {
1442         nframes64_t frame;
1443         nframes64_t one_page = (nframes64_t) rint (_canvas_width * frames_per_unit);
1444         bool was_floating;
1445         float prefix;
1446         nframes64_t cnt;
1447
1448         if (get_prefix (prefix, was_floating)) {
1449                 cnt = (nframes64_t) floor (pages * one_page);
1450         } else {
1451                 if (was_floating) {
1452                         cnt = (nframes64_t) floor (prefix * session->frame_rate());
1453                 } else {
1454                         cnt = (nframes64_t) floor (prefix * one_page);
1455                 }
1456         }
1457
1458         if (max_frames - cnt < leftmost_frame) {
1459                 frame = max_frames - cnt;
1460         } else {
1461                 frame = leftmost_frame + cnt;
1462         }
1463
1464         reset_x_origin (frame);
1465 }
1466
1467 void
1468 Editor::scroll_tracks_down ()
1469 {
1470         float prefix;
1471         bool was_floating;
1472         int cnt;
1473
1474         if (get_prefix (prefix, was_floating)) {
1475                 cnt = 1;
1476         } else {
1477                 cnt = (int) floor (prefix);
1478         }
1479
1480         double vert_value = vertical_adjustment.get_value() + (cnt *
1481                 vertical_adjustment.get_page_size());
1482         if (vert_value > vertical_adjustment.get_upper() - _canvas_height) {
1483                 vert_value = vertical_adjustment.get_upper() - _canvas_height;
1484         }
1485         vertical_adjustment.set_value (vert_value);
1486 }
1487
1488 void
1489 Editor::scroll_tracks_up ()
1490 {
1491         float prefix;
1492         bool was_floating;
1493         int cnt;
1494
1495         if (get_prefix (prefix, was_floating)) {
1496                 cnt = 1;
1497         } else {
1498                 cnt = (int) floor (prefix);
1499         }
1500
1501         vertical_adjustment.set_value (vertical_adjustment.get_value() - (cnt * vertical_adjustment.get_page_size()));
1502 }
1503
1504 void
1505 Editor::scroll_tracks_down_line ()
1506 {
1507
1508         Gtk::Adjustment* adj = edit_vscrollbar.get_adjustment();
1509         double vert_value = adj->get_value() + 60;
1510
1511         if (vert_value>adj->get_upper() - _canvas_height) {
1512                 vert_value = adj->get_upper() - _canvas_height;
1513         }
1514         adj->set_value (vert_value);
1515 }
1516
1517 void
1518 Editor::scroll_tracks_up_line ()
1519 {
1520         Gtk::Adjustment* adj = edit_vscrollbar.get_adjustment();
1521         adj->set_value (adj->get_value() - 60);
1522 }
1523
1524 /* ZOOM */
1525
1526 void
1527 Editor::temporal_zoom_step (bool coarser)
1528 {
1529         ENSURE_GUI_THREAD (bind (mem_fun (*this, &Editor::temporal_zoom_step), coarser));
1530
1531         double nfpu;
1532
1533         nfpu = frames_per_unit;
1534
1535         if (coarser) {
1536                 nfpu *= 1.61803399;
1537         } else {
1538                 nfpu = max(1.0,(nfpu/1.61803399));
1539         }
1540
1541         temporal_zoom (nfpu);
1542 }
1543
1544 void
1545 Editor::temporal_zoom (gdouble fpu)
1546 {
1547         if (!session) return;
1548
1549         nframes64_t current_page = current_page_frames();
1550         nframes64_t current_leftmost = leftmost_frame;
1551         nframes64_t current_rightmost;
1552         nframes64_t current_center;
1553         nframes64_t new_page_size;
1554         nframes64_t half_page_size;
1555         nframes64_t leftmost_after_zoom = 0;
1556         nframes64_t where;
1557         bool in_track_canvas;
1558         double nfpu;
1559         double l;
1560
1561         /* XXX this limit is also in ::set_frames_per_unit() */
1562
1563         if (frames_per_unit <= 2.0 && fpu <= frames_per_unit) {
1564                 return;
1565         }
1566
1567         nfpu = fpu;
1568
1569         new_page_size = (nframes64_t) floor (_canvas_width * nfpu);
1570         half_page_size = new_page_size / 2;
1571
1572         switch (zoom_focus) {
1573         case ZoomFocusLeft:
1574                 leftmost_after_zoom = current_leftmost;
1575                 break;
1576
1577         case ZoomFocusRight:
1578                 current_rightmost = leftmost_frame + current_page;
1579                 if (current_rightmost < new_page_size) {
1580                         leftmost_after_zoom = 0;
1581                 } else {
1582                         leftmost_after_zoom = current_rightmost - new_page_size;
1583                 }
1584                 break;
1585
1586         case ZoomFocusCenter:
1587                 current_center = current_leftmost + (current_page/2);
1588                 if (current_center < half_page_size) {
1589                         leftmost_after_zoom = 0;
1590                 } else {
1591                         leftmost_after_zoom = current_center - half_page_size;
1592                 }
1593                 break;
1594
1595         case ZoomFocusPlayhead:
1596                 /* try to keep the playhead in the same place */
1597
1598                 where = playhead_cursor->current_frame;
1599
1600                 l = - ((new_page_size * ((where - current_leftmost)/(double)current_page)) - where);
1601
1602                 if (l < 0) {
1603                         leftmost_after_zoom = 0;
1604                 } else if (l > max_frames) {
1605                         leftmost_after_zoom = max_frames - new_page_size;
1606                 } else {
1607                         leftmost_after_zoom = (nframes64_t) l;
1608                 }
1609                 break;
1610
1611         case ZoomFocusMouse:
1612                 /* try to keep the mouse over the same point in the display */
1613
1614                 if (!mouse_frame (where, in_track_canvas)) {
1615                         /* use playhead instead */
1616                         where = playhead_cursor->current_frame;
1617
1618                         if (where < half_page_size) {
1619                                 leftmost_after_zoom = 0;
1620                         } else {
1621                                 leftmost_after_zoom = where - half_page_size;
1622                         }
1623
1624                 } else {
1625
1626                         l = - ((new_page_size * ((where - current_leftmost)/(double)current_page)) - where);
1627
1628                         if (l < 0) {
1629                                 leftmost_after_zoom = 0;
1630                         } else if (l > max_frames) {
1631                                 leftmost_after_zoom = max_frames - new_page_size;
1632                         } else {
1633                                 leftmost_after_zoom = (nframes64_t) l;
1634                         }
1635                 }
1636
1637                 break;
1638
1639         case ZoomFocusEdit:
1640                 /* try to keep the edit point in the same place */
1641                 where = get_preferred_edit_position ();
1642
1643                 if (where > 0) {
1644
1645                         double l = - ((new_page_size * ((where - current_leftmost)/(double)current_page)) - where);
1646
1647                         if (l < 0) {
1648                                 leftmost_after_zoom = 0;
1649                         } else if (l > max_frames) {
1650                                 leftmost_after_zoom = max_frames - new_page_size;
1651                         } else {
1652                                 leftmost_after_zoom = (nframes64_t) l;
1653                         }
1654
1655                 } else {
1656                         /* edit point not defined */
1657                         return;
1658                 }
1659                 break;
1660
1661         }
1662
1663         // leftmost_after_zoom = min (leftmost_after_zoom, session->current_end_frame());
1664
1665         reposition_and_zoom (leftmost_after_zoom, nfpu);
1666 }
1667
1668 void
1669 Editor::temporal_zoom_region (bool both_axes)
1670 {
1671
1672         nframes64_t start = max_frames;
1673         nframes64_t end = 0;
1674         RegionSelection rs;
1675         set<TimeAxisView*> tracks;
1676
1677         get_regions_for_action (rs);
1678
1679         if (rs.empty()) {
1680                 return;
1681         }
1682
1683         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
1684
1685                 if ((*i)->region()->position() < start) {
1686                         start = (*i)->region()->position();
1687                 }
1688
1689                 if ((*i)->region()->last_frame() + 1 > end) {
1690                         end = (*i)->region()->last_frame() + 1;
1691                 }
1692
1693                 tracks.insert (&((*i)->get_time_axis_view()));
1694         }
1695
1696         /* now comes an "interesting" hack ... make sure we leave a little space
1697            at each end of the editor so that the zoom doesn't fit the region
1698            precisely to the screen.
1699         */
1700
1701         GdkScreen* screen = gdk_screen_get_default ();
1702         gint pixwidth = gdk_screen_get_width (screen);
1703         gint mmwidth = gdk_screen_get_width_mm (screen);
1704         double pix_per_mm = (double) pixwidth/ (double) mmwidth;
1705         double one_centimeter_in_pixels = pix_per_mm * 10.0;
1706
1707         if ((start == 0 && end == 0) || end < start) {
1708                 return;
1709         }
1710
1711         nframes64_t range = end - start;
1712         double new_fpu = (double)range / (double)_canvas_width;
1713         nframes64_t extra_samples = (nframes64_t) floor (one_centimeter_in_pixels * new_fpu);
1714
1715         if (start > extra_samples) {
1716                 start -= extra_samples;
1717         } else {
1718                 start = 0;
1719         }
1720
1721         if (max_frames - extra_samples > end) {
1722                 end += extra_samples;
1723         } else {
1724                 end = max_frames;
1725         }
1726
1727         if (both_axes) {
1728                 /* save visual state with track states included, and prevent
1729                    set_frames_per_unit() from doing it again.
1730                 */
1731                 undo_visual_stack.push_back (current_visual_state(true));
1732                 no_save_visual = true;
1733         }
1734
1735         temporal_zoom_by_frame (start, end, "zoom to region");
1736
1737         if (both_axes) {
1738                 uint32_t per_track_height = (uint32_t) floor ((_canvas_height - canvas_timebars_vsize - 10.0) / tracks.size());
1739
1740                 /* set visible track heights appropriately */
1741
1742                 for (set<TimeAxisView*>::iterator t = tracks.begin(); t != tracks.end(); ++t) {
1743                         (*t)->set_height (per_track_height);
1744                 }
1745
1746                 /* hide irrelevant tracks */
1747
1748                 _route_list->suspend_redisplay ();
1749
1750                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1751                         if (find (tracks.begin(), tracks.end(), (*i)) == tracks.end()) {
1752                                 hide_track_in_display (**i, true);
1753                         }
1754                 }
1755
1756                 _route_list->resume_redisplay ();
1757
1758                 vertical_adjustment.set_value (0.0);
1759                 no_save_visual = false;
1760         }
1761
1762         zoomed_to_region = true;
1763         redo_visual_stack.push_back (current_visual_state());
1764 }
1765
1766 void
1767 Editor::toggle_zoom_region (bool both_axes)
1768 {
1769         if (zoomed_to_region) {
1770                 swap_visual_state ();
1771         } else {
1772                 temporal_zoom_region (both_axes);
1773         }
1774 }
1775
1776 void
1777 Editor::temporal_zoom_selection ()
1778 {
1779         if (!selection) return;
1780
1781         if (selection->time.empty()) {
1782                 return;
1783         }
1784
1785         nframes64_t start = selection->time[clicked_selection].start;
1786         nframes64_t end = selection->time[clicked_selection].end;
1787
1788         temporal_zoom_by_frame (start, end, "zoom to selection");
1789 }
1790
1791 void
1792 Editor::temporal_zoom_session ()
1793 {
1794         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::temporal_zoom_session));
1795
1796         if (session) {
1797                 temporal_zoom_by_frame (session->current_start_frame(), session->current_end_frame(), "zoom to session");
1798         }
1799 }
1800
1801 void
1802 Editor::temporal_zoom_by_frame (nframes64_t start, nframes64_t end, const string & op)
1803 {
1804         if (!session) return;
1805
1806         if ((start == 0 && end == 0) || end < start) {
1807                 return;
1808         }
1809
1810         nframes64_t range = end - start;
1811
1812         double new_fpu = (double)range / (double)_canvas_width;
1813
1814         nframes64_t new_page = (nframes64_t) floor (_canvas_width * new_fpu);
1815         nframes64_t middle = (nframes64_t) floor( (double)start + ((double)range / 2.0f ));
1816         nframes64_t new_leftmost = (nframes64_t) floor( (double)middle - ((double)new_page/2.0f));
1817
1818         if (new_leftmost > middle) {
1819                 new_leftmost = 0;
1820         }
1821
1822         reposition_and_zoom (new_leftmost, new_fpu);
1823 }
1824
1825 void
1826 Editor::temporal_zoom_to_frame (bool coarser, nframes64_t frame)
1827 {
1828         if (!session) {
1829                 return;
1830         }
1831         double range_before = frame - leftmost_frame;
1832         double new_fpu;
1833
1834         new_fpu = frames_per_unit;
1835
1836         if (coarser) {
1837                 new_fpu *= 1.61803399;
1838                 range_before *= 1.61803399;
1839         } else {
1840                 new_fpu = max(1.0,(new_fpu/1.61803399));
1841                 range_before /= 1.61803399;
1842         }
1843
1844         if (new_fpu == frames_per_unit)  {
1845                 return;
1846         }
1847
1848         nframes64_t new_leftmost = frame - (nframes64_t)range_before;
1849
1850         if (new_leftmost > frame) {
1851                 new_leftmost = 0;
1852         }
1853 //      begin_reversible_command (_("zoom to frame"));
1854 //      session->add_undo (bind (mem_fun(*this, &Editor::reposition_and_zoom), leftmost_frame, frames_per_unit));
1855 //      session->add_redo (bind (mem_fun(*this, &Editor::reposition_and_zoom), new_leftmost, new_fpu));
1856 //      commit_reversible_command ();
1857
1858         reposition_and_zoom (new_leftmost, new_fpu);
1859 }
1860
1861
1862 bool
1863 Editor::choose_new_marker_name(string &name) {
1864
1865         if (!Config->get_name_new_markers()) {
1866                 /* don't prompt user for a new name */
1867                 return true;
1868         }
1869
1870         ArdourPrompter dialog (true);
1871
1872         dialog.set_prompt (_("New Name:"));
1873
1874         WindowTitle title(Glib::get_application_name());
1875         title += _("Name New Location Marker");
1876
1877         dialog.set_title(title.get_string());
1878
1879         dialog.set_name ("MarkNameWindow");
1880         dialog.set_size_request (250, -1);
1881         dialog.set_position (Gtk::WIN_POS_MOUSE);
1882
1883         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
1884         dialog.set_initial_text (name);
1885
1886         dialog.show ();
1887
1888         switch (dialog.run ()) {
1889         case RESPONSE_ACCEPT:
1890                 break;
1891         default:
1892                 return false;
1893         }
1894
1895         dialog.get_result(name);
1896         return true;
1897
1898 }
1899
1900
1901 void
1902 Editor::add_location_from_selection ()
1903 {
1904         string rangename;
1905
1906         if (selection->time.empty()) {
1907                 return;
1908         }
1909
1910         if (session == 0 || clicked_axisview == 0) {
1911                 return;
1912         }
1913
1914         nframes64_t start = selection->time[clicked_selection].start;
1915         nframes64_t end = selection->time[clicked_selection].end;
1916
1917         session->locations()->next_available_name(rangename,"selection");
1918         Location *location = new Location (start, end, rangename, Location::IsRangeMarker);
1919
1920         session->begin_reversible_command (_("add marker"));
1921         XMLNode &before = session->locations()->get_state();
1922         session->locations()->add (location, true);
1923         XMLNode &after = session->locations()->get_state();
1924         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
1925         session->commit_reversible_command ();
1926 }
1927
1928 void
1929 Editor::add_location_mark (nframes64_t where)
1930 {
1931         string markername;
1932
1933         select_new_marker = true;
1934
1935         session->locations()->next_available_name(markername,"mark");
1936         if (!choose_new_marker_name(markername)) {
1937                 return;
1938         }
1939         Location *location = new Location (where, where, markername, Location::IsMark);
1940         session->begin_reversible_command (_("add marker"));
1941         XMLNode &before = session->locations()->get_state();
1942         session->locations()->add (location, true);
1943         XMLNode &after = session->locations()->get_state();
1944         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
1945         session->commit_reversible_command ();
1946 }
1947
1948 void
1949 Editor::add_location_from_playhead_cursor ()
1950 {
1951         add_location_mark (session->audible_frame());
1952 }
1953
1954 void
1955 Editor::add_locations_from_audio_region ()
1956 {
1957         RegionSelection rs;
1958
1959         get_regions_for_action (rs);
1960
1961         if (rs.empty()) {
1962                 return;
1963         }
1964
1965         session->begin_reversible_command (rs.size () > 1 ? _("add markers") : _("add marker"));
1966         XMLNode &before = session->locations()->get_state();
1967
1968         cerr << "Add locations\n";
1969
1970         for (RegionSelection::iterator i = rs.begin (); i != rs.end (); ++i) {
1971
1972                 boost::shared_ptr<Region> region = (*i)->region ();
1973
1974                 Location *location = new Location (region->position(), region->last_frame(), region->name(), Location::IsRangeMarker);
1975
1976                 session->locations()->add (location, true);
1977         }
1978
1979         XMLNode &after = session->locations()->get_state();
1980         session->add_command (new MementoCommand<Locations>(*(session->locations()), &before, &after));
1981         session->commit_reversible_command ();
1982 }
1983
1984 void
1985 Editor::add_location_from_audio_region ()
1986 {
1987         RegionSelection rs;
1988
1989         get_regions_for_action (rs);
1990
1991         if (rs.empty()) {
1992                 return;
1993         }
1994
1995         session->begin_reversible_command (_("add marker"));
1996         XMLNode &before = session->locations()->get_state();
1997
1998         string markername;
1999
2000         if (rs.size() > 1) {            // more than one region selected
2001                 session->locations()->next_available_name(markername, "regions");
2002         } else {
2003                 RegionView* rv = *(rs.begin());
2004                 boost::shared_ptr<Region> region = rv->region();
2005                 markername = region->name();
2006         }
2007
2008         if (!choose_new_marker_name(markername)) {
2009                 return;
2010         }
2011
2012         cerr << "Add location\n";
2013
2014         // single range spanning all selected
2015         Location *location = new Location (rs.start(), rs.end_frame(), markername, Location::IsRangeMarker);
2016         session->locations()->add (location, true);
2017
2018         XMLNode &after = session->locations()->get_state();
2019         session->add_command (new MementoCommand<Locations>(*(session->locations()), &before, &after));
2020         session->commit_reversible_command ();
2021 }
2022
2023 void
2024 Editor::amplitude_zoom_step (bool in)
2025 {
2026         gdouble zoom = 1.0;
2027
2028         if (in) {
2029                 zoom *= 2.0;
2030         } else {
2031                 if (zoom > 2.0) {
2032                         zoom /= 2.0;
2033                 } else {
2034                         zoom = 1.0;
2035                 }
2036         }
2037
2038 #ifdef FIX_FOR_CANVAS
2039         /* XXX DO SOMETHING */
2040 #endif
2041 }
2042
2043
2044 /* DELETION */
2045
2046
2047 void
2048 Editor::delete_sample_forward ()
2049 {
2050 }
2051
2052 void
2053 Editor::delete_sample_backward ()
2054 {
2055 }
2056
2057 void
2058 Editor::delete_screen ()
2059 {
2060 }
2061
2062 /* SEARCH */
2063
2064 void
2065 Editor::search_backwards ()
2066 {
2067         /* what ? */
2068 }
2069
2070 void
2071 Editor::search_forwards ()
2072 {
2073         /* what ? */
2074 }
2075
2076 /* MARKS */
2077
2078 void
2079 Editor::jump_forward_to_mark ()
2080 {
2081         if (!session) {
2082                 return;
2083         }
2084
2085         Location *location = session->locations()->first_location_after (playhead_cursor->current_frame);
2086
2087         if (location) {
2088                 session->request_locate (location->start(), session->transport_rolling());
2089         } else {
2090                 session->request_locate (session->current_end_frame());
2091         }
2092 }
2093
2094 void
2095 Editor::jump_backward_to_mark ()
2096 {
2097         if (!session) {
2098                 return;
2099         }
2100
2101         Location *location = session->locations()->first_location_before (playhead_cursor->current_frame);
2102
2103         if (location) {
2104                 session->request_locate (location->start(), session->transport_rolling());
2105         } else {
2106                 session->goto_start ();
2107         }
2108 }
2109
2110 void
2111 Editor::set_mark ()
2112 {
2113         nframes64_t pos;
2114         float prefix;
2115         bool was_floating;
2116         string markername;
2117
2118         if (get_prefix (prefix, was_floating)) {
2119                 pos = session->audible_frame ();
2120         } else {
2121                 if (was_floating) {
2122                         pos = (nframes64_t) floor (prefix * session->frame_rate ());
2123                 } else {
2124                         pos = (nframes64_t) floor (prefix);
2125                 }
2126         }
2127
2128         session->locations()->next_available_name(markername,"mark");
2129         if (!choose_new_marker_name(markername)) {
2130                 return;
2131         }
2132         session->locations()->add (new Location (pos, 0, markername, Location::IsMark), true);
2133 }
2134
2135 void
2136 Editor::clear_markers ()
2137 {
2138         if (session) {
2139                 session->begin_reversible_command (_("clear markers"));
2140                 XMLNode &before = session->locations()->get_state();
2141                 session->locations()->clear_markers ();
2142                 XMLNode &after = session->locations()->get_state();
2143                 session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
2144                 session->commit_reversible_command ();
2145         }
2146 }
2147
2148 void
2149 Editor::clear_ranges ()
2150 {
2151         if (session) {
2152                 session->begin_reversible_command (_("clear ranges"));
2153                 XMLNode &before = session->locations()->get_state();
2154
2155                 Location * looploc = session->locations()->auto_loop_location();
2156                 Location * punchloc = session->locations()->auto_punch_location();
2157
2158                 session->locations()->clear_ranges ();
2159                 // re-add these
2160                 if (looploc) session->locations()->add (looploc);
2161                 if (punchloc) session->locations()->add (punchloc);
2162
2163                 XMLNode &after = session->locations()->get_state();
2164                 session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
2165                 session->commit_reversible_command ();
2166         }
2167 }
2168
2169 void
2170 Editor::clear_locations ()
2171 {
2172         session->begin_reversible_command (_("clear locations"));
2173         XMLNode &before = session->locations()->get_state();
2174         session->locations()->clear ();
2175         XMLNode &after = session->locations()->get_state();
2176         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
2177         session->commit_reversible_command ();
2178         session->locations()->clear ();
2179 }
2180
2181 void
2182 Editor::unhide_markers ()
2183 {
2184         for (LocationMarkerMap::iterator i = location_markers.begin(); i != location_markers.end(); ++i) {
2185                 Location *l = (*i).first;
2186                 if (l->is_hidden() && l->is_mark()) {
2187                         l->set_hidden(false, this);
2188                 }
2189         }
2190 }
2191
2192 void
2193 Editor::unhide_ranges ()
2194 {
2195         for (LocationMarkerMap::iterator i = location_markers.begin(); i != location_markers.end(); ++i) {
2196                 Location *l = (*i).first;
2197                 if (l->is_hidden() && l->is_range_marker()) {
2198                         l->set_hidden(false, this);
2199                 }
2200         }
2201 }
2202
2203 /* INSERT/REPLACE */
2204
2205 void
2206 Editor::insert_region_list_drag (boost::shared_ptr<Region> region, int x, int y)
2207 {
2208         double wx, wy;
2209         double cx, cy;
2210         nframes64_t where;
2211         RouteTimeAxisView *rtv = 0;
2212         boost::shared_ptr<Playlist> playlist;
2213
2214         track_canvas->window_to_world (x, y, wx, wy);
2215         //wx += horizontal_adjustment.get_value();
2216         //wy += vertical_adjustment.get_value();
2217
2218         GdkEvent event;
2219         event.type = GDK_BUTTON_RELEASE;
2220         event.button.x = wx;
2221         event.button.y = wy;
2222
2223         where = event_frame (&event, &cx, &cy);
2224
2225         if (where < leftmost_frame || where > leftmost_frame + current_page_frames()) {
2226                 /* clearly outside canvas area */
2227                 return;
2228         }
2229
2230         std::pair<TimeAxisView*, int> tv = trackview_by_y_position (cy);
2231         if (tv.first == 0) {
2232                 return;
2233         }
2234
2235         if ((rtv = dynamic_cast<RouteTimeAxisView*> (tv.first)) == 0) {
2236                 return;
2237         }
2238
2239         if ((playlist = rtv->playlist()) == 0) {
2240                 return;
2241         }
2242
2243         snap_to (where);
2244
2245         begin_reversible_command (_("insert dragged region"));
2246         XMLNode &before = playlist->get_state();
2247         playlist->add_region (RegionFactory::create (region), where, 1.0);
2248         session->add_command(new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
2249         commit_reversible_command ();
2250 }
2251
2252 void
2253 Editor::insert_route_list_drag (boost::shared_ptr<Route> route, int x, int y) {
2254         double wx, wy;
2255         double cx, cy;
2256         nframes_t where;
2257         RouteTimeAxisView *dest_rtv = 0;
2258         RouteTimeAxisView *source_rtv = 0;
2259
2260         track_canvas->window_to_world (x, y, wx, wy);
2261         wx += horizontal_adjustment.get_value();
2262         wy += vertical_adjustment.get_value();
2263
2264         GdkEvent event;
2265         event.type = GDK_BUTTON_RELEASE;
2266         event.button.x = wx;
2267         event.button.y = wy;
2268
2269         where = event_frame (&event, &cx, &cy);
2270
2271         std::pair<TimeAxisView*, int> const tv = trackview_by_y_position (cy);
2272         if (tv.first == 0) {
2273                 return;
2274         }
2275
2276         if ((dest_rtv = dynamic_cast<RouteTimeAxisView*> (tv.first)) == 0) {
2277                 return;
2278         }
2279
2280         /* use this drag source to add underlay to a track. But we really don't care
2281            about the Route, only the view of the route, so find it first */
2282         for(TrackViewList::iterator it = track_views.begin(); it != track_views.end(); ++it) {
2283                 if((source_rtv = dynamic_cast<RouteTimeAxisView*>(*it)) == 0) {
2284                         continue;
2285                 }
2286
2287                 if(source_rtv->route() == route && source_rtv != dest_rtv) {
2288                         dest_rtv->add_underlay(source_rtv->view());
2289                         break;
2290                 }
2291         }
2292 }
2293
2294 void
2295 Editor::insert_region_list_selection (float times)
2296 {
2297         RouteTimeAxisView *tv = 0;
2298         boost::shared_ptr<Playlist> playlist;
2299
2300         if (clicked_routeview != 0) {
2301                 tv = clicked_routeview;
2302         } else if (!selection->tracks.empty()) {
2303                 if ((tv = dynamic_cast<RouteTimeAxisView*>(selection->tracks.front())) == 0) {
2304                         return;
2305                 }
2306         } else if (entered_track != 0) {
2307                 if ((tv = dynamic_cast<RouteTimeAxisView*>(entered_track)) == 0) {
2308                         return;
2309                 }
2310         } else {
2311                 return;
2312         }
2313
2314         if ((playlist = tv->playlist()) == 0) {
2315                 return;
2316         }
2317
2318         Glib::RefPtr<TreeSelection> selected = region_list_display.get_selection();
2319
2320         if (selected->count_selected_rows() != 1) {
2321                 return;
2322         }
2323
2324         TreeView::Selection::ListHandle_Path rows = selected->get_selected_rows ();
2325
2326         /* only one row selected, so rows.begin() is it */
2327
2328         TreeIter iter;
2329
2330         if ((iter = region_list_model->get_iter (*rows.begin()))) {
2331
2332                 boost::shared_ptr<Region> region = (*iter)[region_list_columns.region];
2333
2334                 begin_reversible_command (_("insert region"));
2335                 XMLNode &before = playlist->get_state();
2336                 playlist->add_region ((RegionFactory::create (region)), get_preferred_edit_position(), times);
2337                 session->add_command(new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
2338                 commit_reversible_command ();
2339         }
2340 }
2341
2342 /* BUILT-IN EFFECTS */
2343
2344 void
2345 Editor::reverse_selection ()
2346 {
2347
2348 }
2349
2350 /* GAIN ENVELOPE EDITING */
2351
2352 void
2353 Editor::edit_envelope ()
2354 {
2355 }
2356
2357 /* PLAYBACK */
2358
2359 void
2360 Editor::transition_to_rolling (bool fwd)
2361 {
2362         if (!session) {
2363                 return;
2364         }
2365
2366         switch (Config->get_slave_source()) {
2367         case None:
2368         case JACK:
2369                 break;
2370         default:
2371                 /* transport controlled by the master */
2372                 return;
2373         }
2374
2375         if (session->is_auditioning()) {
2376                 session->cancel_audition ();
2377                 return;
2378         }
2379
2380         session->request_transport_speed (fwd ? 1.0f : -1.0f);
2381 }
2382
2383 void
2384 Editor::toggle_playback (bool with_abort)
2385 {
2386         if (!session) {
2387                 return;
2388         }
2389
2390         switch (Config->get_slave_source()) {
2391         case None:
2392         case JACK:
2393                 break;
2394         default:
2395                 /* transport controlled by the master */
2396                 return;
2397         }
2398
2399         if (session->is_auditioning()) {
2400                 session->cancel_audition ();
2401                 return;
2402         }
2403
2404         if (session->transport_rolling()) {
2405                 session->request_stop (with_abort);
2406                 if (session->get_play_loop()) {
2407                         session->request_play_loop (false);
2408                 }
2409         } else {
2410                 session->request_transport_speed (1.0f);
2411         }
2412 }
2413
2414 void
2415 Editor::play_from_start ()
2416 {
2417         session->request_locate (session->current_start_frame(), true);
2418 }
2419
2420 void
2421 Editor::play_from_edit_point ()
2422 {
2423         session->request_locate (get_preferred_edit_position(), true);
2424 }
2425
2426 void
2427 Editor::play_from_edit_point_and_return ()
2428 {
2429         nframes64_t start_frame;
2430         nframes64_t return_frame;
2431
2432         start_frame = get_preferred_edit_position (true);
2433
2434         if (session->transport_rolling()) {
2435                 session->request_locate (start_frame, false);
2436                 return;
2437         }
2438
2439         /* don't reset the return frame if its already set */
2440
2441         if ((return_frame = session->requested_return_frame()) < 0) {
2442                 return_frame = session->audible_frame();
2443         }
2444
2445         if (start_frame >= 0) {
2446                 session->request_roll_at_and_return (start_frame, return_frame);
2447         }
2448 }
2449
2450 void
2451 Editor::play_selection ()
2452 {
2453         if (selection->time.empty()) {
2454                 return;
2455         }
2456
2457         session->request_play_range (true);
2458 }
2459
2460 void
2461 Editor::loop_selected_region ()
2462 {
2463         RegionSelection rs;
2464
2465         get_regions_for_action (rs);
2466
2467         if (!rs.empty()) {
2468                 RegionView *rv = *(rs.begin());
2469                 Location* tll;
2470
2471                 if ((tll = transport_loop_location()) != 0)  {
2472
2473                         tll->set (rv->region()->position(), rv->region()->last_frame());
2474
2475                         // enable looping, reposition and start rolling
2476
2477                         session->request_play_loop (true);
2478                         session->request_locate (tll->start(), false);
2479                         session->request_transport_speed (1.0f);
2480                 }
2481         }
2482 }
2483
2484 void
2485 Editor::play_location (Location& location)
2486 {
2487         if (location.start() <= location.end()) {
2488                 return;
2489         }
2490
2491         session->request_bounded_roll (location.start(), location.end());
2492 }
2493
2494 void
2495 Editor::loop_location (Location& location)
2496 {
2497         if (location.start() <= location.end()) {
2498                 return;
2499         }
2500
2501         Location* tll;
2502
2503         if ((tll = transport_loop_location()) != 0) {
2504                 tll->set (location.start(), location.end());
2505
2506                 // enable looping, reposition and start rolling
2507                 session->request_play_loop (true);
2508                 session->request_locate (tll->start(), true);
2509         }
2510 }
2511
2512 void
2513 Editor::raise_region ()
2514 {
2515         selection->foreach_region (&Region::raise);
2516 }
2517
2518 void
2519 Editor::raise_region_to_top ()
2520 {
2521         selection->foreach_region (&Region::raise_to_top);
2522 }
2523
2524 void
2525 Editor::lower_region ()
2526 {
2527         selection->foreach_region (&Region::lower);
2528 }
2529
2530 void
2531 Editor::lower_region_to_bottom ()
2532 {
2533         selection->foreach_region (&Region::lower_to_bottom);
2534 }
2535
2536 /** Show the region editor for the selected regions */
2537 void
2538 Editor::edit_region ()
2539 {
2540         selection->foreach_regionview (&RegionView::show_region_editor);
2541 }
2542
2543 void
2544 Editor::rename_region()
2545 {
2546         RegionSelection rs;
2547
2548         get_regions_for_action (rs);
2549
2550         if (rs.empty()) {
2551                 return;
2552         }
2553
2554         WindowTitle title (Glib::get_application_name());
2555         title += _("Rename Region");
2556
2557         ArdourDialog d (*this, title.get_string(), true, false);
2558         Entry entry;
2559         Label label (_("New name:"));
2560         HBox hbox;
2561
2562         hbox.set_spacing (6);
2563         hbox.pack_start (label, false, false);
2564         hbox.pack_start (entry, true, true);
2565
2566         d.get_vbox()->set_border_width (12);
2567         d.get_vbox()->pack_start (hbox, false, false);
2568
2569         d.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
2570         d.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2571
2572         d.set_size_request (300, -1);
2573         d.set_position (Gtk::WIN_POS_MOUSE);
2574
2575         entry.set_text (rs.front()->region()->name());
2576         entry.select_region (0, -1);
2577
2578         entry.signal_activate().connect (bind (mem_fun (d, &Dialog::response), RESPONSE_OK));
2579
2580         d.show_all ();
2581
2582         entry.grab_focus();
2583
2584         int ret = d.run();
2585
2586         d.hide ();
2587
2588         if (ret == RESPONSE_OK) {
2589                 std::string str = entry.get_text();
2590                 strip_whitespace_edges (str);
2591                 if (!str.empty()) {
2592                         rs.front()->region()->set_name (str);
2593                         redisplay_regions ();
2594                 }
2595         }
2596 }
2597
2598 void
2599 Editor::audition_playlist_region_via_route (boost::shared_ptr<Region> region, Route& route)
2600 {
2601         if (session->is_auditioning()) {
2602                 session->cancel_audition ();
2603         }
2604
2605         // note: some potential for creativity here, because region doesn't
2606         // have to belong to the playlist that Route is handling
2607
2608         // bool was_soloed = route.soloed();
2609
2610         route.set_solo (true, this);
2611
2612         session->request_bounded_roll (region->position(), region->position() + region->length());
2613
2614         /* XXX how to unset the solo state ? */
2615 }
2616
2617 /** Start an audition of the first selected region */
2618 void
2619 Editor::play_edit_range ()
2620 {
2621         nframes64_t start, end;
2622
2623         if (get_edit_op_range (start, end)) {
2624                 session->request_bounded_roll (start, end);
2625         }
2626 }
2627
2628 void
2629 Editor::play_selected_region ()
2630 {
2631         nframes64_t start = max_frames;
2632         nframes64_t end = 0;
2633         RegionSelection rs;
2634
2635         get_regions_for_action (rs);
2636
2637         if (rs.empty()) {
2638                 return;
2639         }
2640
2641         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
2642                 if ((*i)->region()->position() < start) {
2643                         start = (*i)->region()->position();
2644                 }
2645                 if ((*i)->region()->last_frame() + 1 > end) {
2646                         end = (*i)->region()->last_frame() + 1;
2647                 }
2648         }
2649
2650         session->request_stop ();
2651         session->request_bounded_roll (start, end);
2652 }
2653
2654 void
2655 Editor::audition_playlist_region_standalone (boost::shared_ptr<Region> region)
2656 {
2657         session->audition_region (region);
2658 }
2659
2660 void
2661 Editor::build_interthread_progress_window ()
2662 {
2663         interthread_progress_window = new ArdourDialog (X_("interthread progress"), true);
2664
2665         interthread_progress_bar.set_orientation (Gtk::PROGRESS_LEFT_TO_RIGHT);
2666
2667         interthread_progress_window->set_border_width (12);
2668         interthread_progress_window->get_vbox()->set_spacing (6);
2669
2670         interthread_progress_label.set_alignment (0.5, 0.5);
2671
2672         interthread_progress_window->get_vbox()->pack_start (interthread_progress_label, false, false);
2673         interthread_progress_window->get_vbox()->pack_start (interthread_progress_bar,false, false);
2674
2675         // GTK2FIX: this button needs a modifiable label
2676
2677         Button* b = interthread_progress_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
2678         b->signal_clicked().connect (mem_fun(*this, &Editor::interthread_cancel_clicked));
2679
2680         interthread_cancel_button.add (interthread_cancel_label);
2681
2682         interthread_progress_window->set_default_size (200, 100);
2683 }
2684
2685 void
2686 Editor::interthread_cancel_clicked ()
2687 {
2688         if (current_interthread_info) {
2689                 current_interthread_info->cancel = true;
2690         }
2691 }
2692
2693 void
2694 Editor::region_from_selection ()
2695 {
2696         if (clicked_axisview == 0) {
2697                 return;
2698         }
2699
2700         if (selection->time.empty()) {
2701                 return;
2702         }
2703
2704         nframes64_t start = selection->time[clicked_selection].start;
2705         nframes64_t end = selection->time[clicked_selection].end;
2706
2707         nframes64_t selection_cnt = end - start + 1;
2708
2709         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
2710                 boost::shared_ptr<Region> current;
2711                 boost::shared_ptr<Playlist> pl;
2712                 nframes64_t internal_start;
2713                 string new_name;
2714
2715                 if ((pl = (*i)->playlist()) == 0) {
2716                         continue;
2717                 }
2718
2719                 if ((current = pl->top_region_at (start)) == 0) {
2720                         continue;
2721                 }
2722
2723                 internal_start = start - current->position();
2724                 session->region_name (new_name, current->name(), true);
2725                 boost::shared_ptr<Region> region (RegionFactory::create (current,
2726                                 internal_start, selection_cnt, new_name));
2727         }
2728 }
2729
2730 void
2731 Editor::create_region_from_selection (vector<boost::shared_ptr<Region> >& new_regions)
2732 {
2733         if (selection->time.empty() || selection->tracks.empty()) {
2734                 return;
2735         }
2736
2737         nframes64_t start = selection->time[clicked_selection].start;
2738         nframes64_t end = selection->time[clicked_selection].end;
2739
2740         sort_track_selection ();
2741
2742         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
2743                 boost::shared_ptr<Region> current;
2744                 boost::shared_ptr<Playlist> playlist;
2745                 nframes64_t internal_start;
2746                 string new_name;
2747
2748                 if ((playlist = (*i)->playlist()) == 0) {
2749                         continue;
2750                 }
2751
2752                 if ((current = playlist->top_region_at(start)) == 0) {
2753                         continue;
2754                 }
2755
2756                 internal_start = start - current->position();
2757                 session->region_name (new_name, current->name(), true);
2758
2759                 new_regions.push_back (RegionFactory::create (current,
2760                                         internal_start, end - start + 1, new_name));
2761         }
2762 }
2763
2764 void
2765 Editor::split_multichannel_region ()
2766 {
2767         RegionSelection rs;
2768
2769         get_regions_for_action (rs);
2770
2771         if (rs.empty()) {
2772                 return;
2773         }
2774
2775         vector< boost::shared_ptr<Region> > v;
2776
2777         for (list<RegionView*>::iterator x = rs.begin(); x != rs.end(); ++x) {
2778                 (*x)->region()->separate_by_channel (*session, v);
2779         }
2780 }
2781
2782 void
2783 Editor::new_region_from_selection ()
2784 {
2785         region_from_selection ();
2786         cancel_selection ();
2787 }
2788
2789 static void
2790 add_if_covered (RegionView* rv, const AudioRange* ar, RegionSelection* rs)
2791 {
2792         switch (rv->region()->coverage (ar->start, ar->end - 1)) {
2793         case OverlapNone:
2794                 break;
2795         default:
2796                 rs->push_back (rv);
2797         }
2798 }
2799
2800 void
2801 Editor::separate_regions_between (const TimeSelection& ts)
2802 {
2803         bool in_command = false;
2804         boost::shared_ptr<Playlist> playlist;
2805         RegionSelection new_selection;
2806         TrackSelection tmptracks;
2807
2808         if (selection->tracks.empty()) {
2809
2810                 /* use tracks with selected regions */
2811
2812                 RegionSelection rs;
2813
2814                 get_regions_for_action (rs);
2815
2816                 for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
2817                         TimeAxisView* tv = &(*i)->get_time_axis_view();
2818
2819                         if (find (tmptracks.begin(), tmptracks.end(), tv) == tmptracks.end()) {
2820                                 tmptracks.push_back (tv);
2821                         }
2822                 }
2823
2824                 if (tmptracks.empty()) {
2825                         /* no regions selected: do nothing */
2826                         return;
2827                 }
2828
2829         } else {
2830
2831                 tmptracks = selection->tracks;
2832
2833         }
2834
2835         sort_track_selection (&tmptracks);
2836
2837         for (TrackSelection::iterator i = tmptracks.begin(); i != tmptracks.end(); ++i) {
2838
2839                 RouteTimeAxisView* rtv;
2840
2841                 if ((rtv = dynamic_cast<RouteTimeAxisView*> ((*i))) != 0) {
2842
2843                         if (rtv->is_track()) {
2844
2845                                 /* no edits to destructive tracks */
2846
2847                                 if (rtv->track()->diskstream()->destructive()) {
2848                                         continue;
2849                                 }
2850
2851                                 if ((playlist = rtv->playlist()) != 0) {
2852
2853                                         XMLNode *before;
2854                                         bool got_some;
2855
2856                                         before = &(playlist->get_state());
2857                                         got_some = false;
2858
2859                                         /* XXX need to consider musical time selections here at some point */
2860
2861                                         double speed = rtv->get_diskstream()->speed();
2862
2863
2864                                         for (list<AudioRange>::const_iterator t = ts.begin(); t != ts.end(); ++t) {
2865
2866                                                 sigc::connection c = rtv->view()->RegionViewAdded.connect (
2867                                                                 mem_fun(*this, &Editor::collect_new_region_view));
2868                                                 latest_regionviews.clear ();
2869
2870                                                 playlist->partition ((nframes64_t)((*t).start * speed),
2871                                                                 (nframes64_t)((*t).end * speed), true);
2872
2873                                                 c.disconnect ();
2874
2875                                                 if (!latest_regionviews.empty()) {
2876
2877                                                         got_some = true;
2878
2879                                                         rtv->view()->foreach_regionview (bind (
2880                                                                                 sigc::ptr_fun (add_if_covered),
2881                                                                                 &(*t), &new_selection));
2882
2883                                                         if (!in_command) {
2884                                                                 begin_reversible_command (_("separate"));
2885                                                                 in_command = true;
2886                                                         }
2887
2888                                                         session->add_command(new MementoCommand<Playlist>(
2889                                                                         *playlist, before, &playlist->get_state()));
2890                                                 }
2891                                         }
2892
2893                                         if (!got_some) {
2894                                                 delete before;
2895                                         }
2896                                 }
2897                         }
2898                 }
2899         }
2900
2901         if (in_command) {
2902                 selection->set (new_selection);
2903                 set_mouse_mode (MouseObject);
2904
2905                 commit_reversible_command ();
2906         }
2907 }
2908
2909 void
2910 Editor::separate_region_from_selection ()
2911 {
2912         /* preferentially use *all* ranges in the time selection if we're in range mode
2913            to allow discontiguous operation, since get_edit_op_range() currently
2914            returns a single range.
2915         */
2916
2917         if (mouse_mode == MouseRange && !selection->time.empty()) {
2918
2919                 separate_regions_between (selection->time);
2920
2921         } else {
2922
2923                 nframes64_t start;
2924                 nframes64_t end;
2925
2926                 if (get_edit_op_range (start, end)) {
2927
2928                         AudioRange ar (start, end, 1);
2929                         TimeSelection ts;
2930                         ts.push_back (ar);
2931
2932                         separate_regions_between (ts);
2933                 }
2934         }
2935 }
2936
2937 void
2938 Editor::separate_region_from_punch ()
2939 {
2940         Location* loc  = session->locations()->auto_punch_location();
2941         if (loc) {
2942                 separate_regions_using_location (*loc);
2943         }
2944 }
2945
2946 void
2947 Editor::separate_region_from_loop ()
2948 {
2949         Location* loc  = session->locations()->auto_loop_location();
2950         if (loc) {
2951                 separate_regions_using_location (*loc);
2952         }
2953 }
2954
2955 void
2956 Editor::separate_regions_using_location (Location& loc)
2957 {
2958         if (loc.is_mark()) {
2959                 return;
2960         }
2961
2962         AudioRange ar (loc.start(), loc.end(), 1);
2963         TimeSelection ts;
2964
2965         ts.push_back (ar);
2966
2967         separate_regions_between (ts);
2968 }
2969
2970 void
2971 Editor::crop_region_to_selection ()
2972 {
2973         if (!selection->time.empty()) {
2974
2975                 crop_region_to (selection->time.start(), selection->time.end_frame());
2976
2977         } else {
2978
2979                 nframes64_t start;
2980                 nframes64_t end;
2981
2982                 if (get_edit_op_range (start, end)) {
2983                         crop_region_to (start, end);
2984                 }
2985         }
2986
2987 }
2988
2989 void
2990 Editor::crop_region_to (nframes64_t start, nframes64_t end)
2991 {
2992         vector<boost::shared_ptr<Playlist> > playlists;
2993         boost::shared_ptr<Playlist> playlist;
2994         TrackSelection* ts;
2995
2996         if (selection->tracks.empty()) {
2997                 ts = &track_views;
2998         } else {
2999                 sort_track_selection ();
3000                 ts = &selection->tracks;
3001         }
3002
3003         for (TrackSelection::iterator i = ts->begin(); i != ts->end(); ++i) {
3004
3005                 RouteTimeAxisView* rtv;
3006
3007                 if ((rtv = dynamic_cast<RouteTimeAxisView*> ((*i))) != 0) {
3008
3009                         boost::shared_ptr<Track> t = rtv->track();
3010
3011                         if (t != 0 && ! t->diskstream()->destructive()) {
3012
3013                                 if ((playlist = rtv->playlist()) != 0) {
3014                                         playlists.push_back (playlist);
3015                                 }
3016                         }
3017                 }
3018         }
3019
3020         if (playlists.empty()) {
3021                 return;
3022         }
3023
3024         nframes64_t the_start;
3025         nframes64_t the_end;
3026         nframes64_t cnt;
3027
3028         begin_reversible_command (_("trim to selection"));
3029
3030         for (vector<boost::shared_ptr<Playlist> >::iterator i = playlists.begin(); i != playlists.end(); ++i) {
3031
3032                 boost::shared_ptr<Region> region;
3033
3034                 the_start = start;
3035
3036                 if ((region = (*i)->top_region_at(the_start)) == 0) {
3037                         continue;
3038                 }
3039
3040                 /* now adjust lengths to that we do the right thing
3041                    if the selection extends beyond the region
3042                 */
3043
3044                 the_start = max (the_start, (nframes64_t) region->position());
3045                 if (max_frames - the_start < region->length()) {
3046                         the_end = the_start + region->length() - 1;
3047                 } else {
3048                         the_end = max_frames;
3049                 }
3050                 the_end = min (end, the_end);
3051                 cnt = the_end - the_start + 1;
3052
3053                 XMLNode &before = (*i)->get_state();
3054                 region->trim_to (the_start, cnt, this);
3055                 XMLNode &after = (*i)->get_state();
3056                 session->add_command (new MementoCommand<Playlist>(*(*i), &before, &after));
3057         }
3058
3059         commit_reversible_command ();
3060 }
3061
3062 void
3063 Editor::region_fill_track ()
3064 {
3065         nframes64_t end;
3066         RegionSelection rs;
3067
3068         get_regions_for_action (rs);
3069
3070         if (!session || rs.empty()) {
3071                 return;
3072         }
3073
3074         end = session->current_end_frame ();
3075
3076         begin_reversible_command (_("region fill"));
3077
3078         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
3079
3080                 boost::shared_ptr<Region> region ((*i)->region());
3081
3082                 // FIXME
3083                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
3084                 assert(ar);
3085
3086                 boost::shared_ptr<Playlist> pl = region->playlist();
3087
3088                 if (end <= region->last_frame()) {
3089                         return;
3090                 }
3091
3092                 double times = (double) (end - region->last_frame()) / (double) region->length();
3093
3094                 if (times == 0) {
3095                         return;
3096                 }
3097
3098                 XMLNode &before = pl->get_state();
3099                 pl->add_region (RegionFactory::create (ar), ar->last_frame(), times);
3100                 session->add_command (new MementoCommand<Playlist>(*pl, &before, &pl->get_state()));
3101         }
3102
3103         commit_reversible_command ();
3104 }
3105
3106 void
3107 Editor::region_fill_selection ()
3108 {
3109         if (clicked_routeview == 0 || !clicked_routeview->is_audio_track()) {
3110                 return;
3111         }
3112
3113         if (selection->time.empty()) {
3114                 return;
3115         }
3116
3117
3118         Glib::RefPtr<TreeSelection> selected = region_list_display.get_selection();
3119
3120         if (selected->count_selected_rows() != 1) {
3121                 return;
3122         }
3123
3124         TreeModel::iterator i = region_list_display.get_selection()->get_selected();
3125         boost::shared_ptr<Region> region = (*i)[region_list_columns.region];
3126
3127         nframes64_t start = selection->time[clicked_selection].start;
3128         nframes64_t end = selection->time[clicked_selection].end;
3129
3130         boost::shared_ptr<Playlist> playlist;
3131
3132         if (selection->tracks.empty()) {
3133                 return;
3134         }
3135
3136         nframes64_t selection_length = end - start;
3137         float times = (float)selection_length / region->length();
3138
3139         begin_reversible_command (_("fill selection"));
3140
3141         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3142
3143                 if ((playlist = (*i)->playlist()) == 0) {
3144                         continue;
3145                 }
3146
3147                 XMLNode &before = playlist->get_state();
3148                 playlist->add_region (RegionFactory::create (region), start, times);
3149                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
3150         }
3151
3152         commit_reversible_command ();
3153 }
3154
3155 void
3156 Editor::set_region_sync_from_edit_point ()
3157 {
3158         nframes64_t where = get_preferred_edit_position ();
3159         RegionSelection rs;
3160         get_regions_for_action (rs);
3161         set_sync_point (where, rs);
3162 }
3163
3164 void
3165 Editor::set_sync_point (nframes64_t where, const RegionSelection& rs)
3166 {
3167         bool in_command = false;
3168
3169         for (RegionSelection::const_iterator r = rs.begin(); r != rs.end(); ++r) {
3170
3171                 if (!(*r)->region()->covers (where)) {
3172                         continue;
3173                 }
3174
3175                 boost::shared_ptr<Region> region ((*r)->region());
3176
3177                 if (!in_command) {
3178                         begin_reversible_command (_("set sync point"));
3179                         in_command = true;
3180                 }
3181
3182                 XMLNode &before = region->playlist()->get_state();
3183                 region->set_sync_position (get_preferred_edit_position());
3184                 XMLNode &after = region->playlist()->get_state();
3185                 session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
3186         }
3187
3188         if (in_command) {
3189                 commit_reversible_command ();
3190         }
3191 }
3192
3193 /** Remove the sync positions of the selection */
3194 void
3195 Editor::remove_region_sync ()
3196 {
3197         RegionSelection rs;
3198
3199         get_regions_for_action (rs);
3200
3201         if (rs.empty()) {
3202                 return;
3203         }
3204
3205         begin_reversible_command (_("remove sync"));
3206         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
3207
3208                 XMLNode &before = (*i)->region()->playlist()->get_state();
3209                 (*i)->region()->clear_sync_position ();
3210                 XMLNode &after = (*i)->region()->playlist()->get_state();
3211                 session->add_command(new MementoCommand<Playlist>(*((*i)->region()->playlist()), &before, &after));
3212         }
3213         commit_reversible_command ();
3214 }
3215
3216 void
3217 Editor::naturalize ()
3218 {
3219         RegionSelection rs;
3220
3221         get_regions_for_action (rs);
3222
3223         if (rs.empty()) {
3224                 return;
3225         }
3226
3227         begin_reversible_command (_("naturalize"));
3228         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
3229                 XMLNode &before = (*i)->region()->get_state();
3230                 (*i)->region()->move_to_natural_position (this);
3231                 XMLNode &after = (*i)->region()->get_state();
3232                 session->add_command (new MementoCommand<Region>(*((*i)->region().get()), &before, &after));
3233         }
3234         commit_reversible_command ();
3235 }
3236
3237 void
3238 Editor::align (RegionPoint what)
3239 {
3240         RegionSelection rs;
3241
3242         get_regions_for_action (rs);
3243         nframes64_t where = get_preferred_edit_position();
3244
3245         if (!rs.empty()) {
3246                 align_selection (what, where, rs);
3247         } else {
3248
3249                 RegionSelection rs;
3250                 get_regions_at (rs, where, selection->tracks);
3251                 align_selection (what, where, rs);
3252         }
3253 }
3254
3255 void
3256 Editor::align_relative (RegionPoint what)
3257 {
3258         nframes64_t where = get_preferred_edit_position();
3259         RegionSelection rs;
3260
3261         get_regions_for_action (rs);
3262
3263         if (!rs.empty()) {
3264                 align_selection_relative (what, where, rs);
3265         }
3266 }
3267
3268 struct RegionSortByTime {
3269     bool operator() (const RegionView* a, const RegionView* b) {
3270             return a->region()->position() < b->region()->position();
3271     }
3272 };
3273
3274 void
3275 Editor::align_selection_relative (RegionPoint point, nframes64_t position, const RegionSelection& rs)
3276 {
3277         if (rs.empty()) {
3278                 return;
3279         }
3280
3281         nframes64_t distance = 0;
3282         nframes64_t pos = 0;
3283         int dir = 1;
3284
3285         list<RegionView*> sorted;
3286         rs.by_position (sorted);
3287
3288         boost::shared_ptr<Region> r ((*sorted.begin())->region());
3289
3290         switch (point) {
3291         case Start:
3292                 pos = position;
3293                 if (position > r->position()) {
3294                         distance = position - r->position();
3295                 } else {
3296                         distance = r->position() - position;
3297                         dir = -1;
3298                 }
3299                 break;
3300
3301         case End:
3302                 if (position > r->last_frame()) {
3303                         distance = position - r->last_frame();
3304                         pos = r->position() + distance;
3305                 } else {
3306                         distance = r->last_frame() - position;
3307                         pos = r->position() - distance;
3308                         dir = -1;
3309                 }
3310                 break;
3311
3312         case SyncPoint:
3313                 pos = r->adjust_to_sync (position);
3314                 if (pos > r->position()) {
3315                         distance = pos - r->position();
3316                 } else {
3317                         distance = r->position() - pos;
3318                         dir = -1;
3319                 }
3320                 break;
3321         }
3322
3323         if (pos == r->position()) {
3324                 return;
3325         }
3326
3327         begin_reversible_command (_("align selection (relative)"));
3328
3329         /* move first one specially */
3330
3331         XMLNode &before = r->playlist()->get_state();
3332         r->set_position (pos, this);
3333         XMLNode &after = r->playlist()->get_state();
3334         session->add_command(new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
3335
3336         /* move rest by the same amount */
3337
3338         sorted.pop_front();
3339
3340         for (list<RegionView*>::iterator i = sorted.begin(); i != sorted.end(); ++i) {
3341
3342                 boost::shared_ptr<Region> region ((*i)->region());
3343
3344                 XMLNode &before = region->playlist()->get_state();
3345
3346                 if (dir > 0) {
3347                         region->set_position (region->position() + distance, this);
3348                 } else {
3349                         region->set_position (region->position() - distance, this);
3350                 }
3351
3352                 XMLNode &after = region->playlist()->get_state();
3353                 session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
3354
3355         }
3356
3357         commit_reversible_command ();
3358 }
3359
3360 void
3361 Editor::align_selection (RegionPoint point, nframes64_t position, const RegionSelection& rs)
3362 {
3363         if (rs.empty()) {
3364                 return;
3365         }
3366
3367         begin_reversible_command (_("align selection"));
3368
3369         for (RegionSelection::const_iterator i = rs.begin(); i != rs.end(); ++i) {
3370                 align_region_internal ((*i)->region(), point, position);
3371         }
3372
3373         commit_reversible_command ();
3374 }
3375
3376 void
3377 Editor::align_region (boost::shared_ptr<Region> region, RegionPoint point, nframes64_t position)
3378 {
3379         begin_reversible_command (_("align region"));
3380         align_region_internal (region, point, position);
3381         commit_reversible_command ();
3382 }
3383
3384 void
3385 Editor::align_region_internal (boost::shared_ptr<Region> region, RegionPoint point, nframes64_t position)
3386 {
3387         XMLNode &before = region->playlist()->get_state();
3388
3389         switch (point) {
3390         case SyncPoint:
3391                 region->set_position (region->adjust_to_sync (position), this);
3392                 break;
3393
3394         case End:
3395                 if (position > region->length()) {
3396                         region->set_position (position - region->length(), this);
3397                 }
3398                 break;
3399
3400         case Start:
3401                 region->set_position (position, this);
3402                 break;
3403         }
3404
3405         XMLNode &after = region->playlist()->get_state();
3406         session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
3407 }
3408
3409 void
3410 Editor::trim_region_front ()
3411 {
3412         trim_region (true);
3413 }
3414
3415 void
3416 Editor::trim_region_back ()
3417 {
3418         trim_region (false);
3419 }
3420
3421 void
3422 Editor::trim_region (bool front)
3423 {
3424         nframes64_t where = get_preferred_edit_position();
3425         RegionSelection rs;
3426
3427         get_regions_for_action (rs);
3428
3429         if (rs.empty()) {
3430                 return;
3431         }
3432
3433         begin_reversible_command (front ? _("trim front") : _("trim back"));
3434
3435         for (list<RegionView*>::const_iterator i = rs.by_layer().begin(); i != rs.by_layer().end(); ++i) {
3436                 if (!(*i)->region()->locked()) {
3437                         boost::shared_ptr<Playlist> pl = (*i)->region()->playlist();
3438                         XMLNode &before = pl->get_state();
3439                         if (front) {
3440                                 (*i)->region()->trim_front (where, this);
3441                         } else {
3442                                 (*i)->region()->trim_end (where, this);
3443                         }
3444                         XMLNode &after = pl->get_state();
3445                         session->add_command(new MementoCommand<Playlist>(*pl.get(), &before, &after));
3446                 }
3447         }
3448
3449         commit_reversible_command ();
3450 }
3451
3452 /** Trim the end of the selected regions to the position of the edit cursor */
3453 void
3454 Editor::trim_region_to_loop ()
3455 {
3456         Location* loc = session->locations()->auto_loop_location();
3457         if (!loc) {
3458                 return;
3459         }
3460         trim_region_to_location (*loc, _("trim to loop"));
3461 }
3462
3463 void
3464 Editor::trim_region_to_punch ()
3465 {
3466         Location* loc = session->locations()->auto_punch_location();
3467         if (!loc) {
3468                 return;
3469         }
3470         trim_region_to_location (*loc, _("trim to punch"));
3471 }
3472 void
3473 Editor::trim_region_to_location (const Location& loc, const char* str)
3474 {
3475         RegionSelection rs;
3476
3477         get_regions_for_action (rs);
3478
3479         begin_reversible_command (str);
3480
3481         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3482                 RegionView* rv = (*x);
3483
3484                 /* require region to span proposed trim */
3485                 switch (rv->region()->coverage (loc.start(), loc.end())) {
3486                 case OverlapInternal:
3487                         break;
3488                 default:
3489                         continue;
3490                 }
3491
3492                 RouteTimeAxisView* tav = dynamic_cast<RouteTimeAxisView*> (&rv->get_time_axis_view());
3493                 if (!tav) {
3494                         return;
3495                 }
3496
3497                 float speed = 1.0;
3498                 nframes64_t start;
3499                 nframes64_t end;
3500
3501                 if (tav->get_diskstream() != 0) {
3502                         speed = tav->get_diskstream()->speed();
3503                 }
3504
3505                 start = session_frame_to_track_frame (loc.start(), speed);
3506                 end = session_frame_to_track_frame (loc.end(), speed);
3507
3508                 XMLNode &before = rv->region()->playlist()->get_state();
3509                 rv->region()->trim_to (start, (end - start), this);
3510                 XMLNode &after = rv->region()->playlist()->get_state();
3511                 session->add_command(new MementoCommand<Playlist>(
3512                                 *(rv->region()->playlist()), &before, &after));
3513         }
3514
3515         commit_reversible_command ();
3516 }
3517
3518 void
3519 Editor::trim_region_to_edit_point ()
3520 {
3521         RegionSelection rs;
3522
3523         get_regions_for_action (rs);
3524
3525         nframes64_t where = get_preferred_edit_position();
3526
3527         begin_reversible_command (_("trim region start to edit point"));
3528
3529         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3530                 RegionView* rv = (*x);
3531
3532                 /* require region to cover trim */
3533                 if (!rv->region()->covers (where)) {
3534                         continue;
3535                 }
3536
3537                 RouteTimeAxisView* tav = dynamic_cast<RouteTimeAxisView*> (&rv->get_time_axis_view());
3538                 if (!tav) {
3539                         return;
3540                 }
3541
3542                 float speed = 1.0;
3543
3544                 if (tav->get_diskstream() != 0) {
3545                         speed = tav->get_diskstream()->speed();
3546                 }
3547
3548                 XMLNode &before = rv->region()->playlist()->get_state();
3549                 rv->region()->trim_end( session_frame_to_track_frame(where, speed), this);
3550                 XMLNode &after = rv->region()->playlist()->get_state();
3551                 session->add_command(new MementoCommand<Playlist>(
3552                                 *(rv->region()->playlist()), &before, &after));
3553         }
3554
3555         commit_reversible_command ();
3556 }
3557
3558 void
3559 Editor::trim_region_from_edit_point ()
3560 {
3561         RegionSelection rs;
3562
3563         get_regions_for_action (rs);
3564
3565         nframes64_t where = get_preferred_edit_position();
3566
3567         begin_reversible_command (_("trim region end to edit point"));
3568
3569         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3570                 RegionView* rv = (*x);
3571
3572                 /* require region to cover trim */
3573                 if (!rv->region()->covers (where)) {
3574                         continue;
3575                 }
3576
3577                 RouteTimeAxisView* tav = dynamic_cast<RouteTimeAxisView*> (&rv->get_time_axis_view());
3578                 if (!tav) {
3579                         return;
3580                 }
3581
3582                 float speed = 1.0;
3583
3584                 if (tav->get_diskstream() != 0) {
3585                         speed = tav->get_diskstream()->speed();
3586                 }
3587
3588                 XMLNode &before = rv->region()->playlist()->get_state();
3589                 rv->region()->trim_front ( session_frame_to_track_frame(where, speed), this);
3590                 XMLNode &after = rv->region()->playlist()->get_state();
3591                 session->add_command(new MementoCommand<Playlist>(
3592                                 *(rv->region()->playlist()), &before, &after));
3593         }
3594
3595         commit_reversible_command ();
3596 }
3597
3598 void
3599 Editor::trim_region_to_previous_region_end ()
3600 {
3601         return trim_to_region(false);
3602 }
3603
3604 void
3605 Editor::trim_region_to_next_region_start ()
3606 {
3607         return trim_to_region(true);
3608 }
3609
3610 void
3611 Editor::trim_to_region(bool forward)
3612 {
3613         RegionSelection rs;
3614
3615         get_regions_for_action (rs);
3616
3617         begin_reversible_command (_("trim to region"));
3618
3619         boost::shared_ptr<Region> next_region;
3620
3621         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3622
3623                 AudioRegionView* arv = dynamic_cast<AudioRegionView*> (*x);
3624
3625                 if (!arv) {
3626                         continue;
3627                 }
3628
3629                 AudioTimeAxisView* atav = dynamic_cast<AudioTimeAxisView*> (&arv->get_time_axis_view());
3630
3631                 if (!atav) {
3632                         return;
3633                 }
3634
3635                 float speed = 1.0;
3636
3637                 if (atav->get_diskstream() != 0) {
3638                         speed = atav->get_diskstream()->speed();
3639                 }
3640
3641
3642                 boost::shared_ptr<Region> region = arv->region();
3643                 boost::shared_ptr<Playlist> playlist (region->playlist());
3644
3645                 XMLNode &before = playlist->get_state();
3646
3647                 if(forward){
3648
3649                     next_region = playlist->find_next_region (region->first_frame(), Start, 1);
3650
3651                     if(!next_region){
3652                         continue;
3653                     }
3654
3655                     region->trim_end((nframes64_t) (next_region->first_frame() * speed), this);
3656                     arv->region_changed (Change (LengthChanged));
3657                 }
3658                 else {
3659
3660                     next_region = playlist->find_next_region (region->first_frame(), Start, 0);
3661
3662                     if(!next_region){
3663                         continue;
3664                     }
3665
3666                     region->trim_front((nframes64_t) ((next_region->last_frame() + 1) * speed), this);
3667                     arv->region_changed (Change (LengthChanged|PositionChanged|StartChanged));
3668                 }
3669
3670                 XMLNode &after = playlist->get_state();
3671                 session->add_command(new MementoCommand<Playlist>(*playlist, &before, &after));
3672         }
3673
3674         commit_reversible_command ();
3675 }
3676
3677 void
3678 Editor::unfreeze_route ()
3679 {
3680         if (clicked_routeview == 0 || !clicked_routeview->is_track()) {
3681                 return;
3682         }
3683
3684         clicked_routeview->track()->unfreeze ();
3685 }
3686
3687 void*
3688 Editor::_freeze_thread (void* arg)
3689 {
3690         PBD::notify_gui_about_thread_creation (pthread_self(), X_("Freeze"));
3691         return static_cast<Editor*>(arg)->freeze_thread ();
3692 }
3693
3694 void*
3695 Editor::freeze_thread ()
3696 {
3697         clicked_routeview->audio_track()->freeze (*current_interthread_info);
3698         current_interthread_info->done = true;
3699         return 0;
3700 }
3701
3702 gint
3703 Editor::freeze_progress_timeout (void *arg)
3704 {
3705         interthread_progress_bar.set_fraction (current_interthread_info->progress);
3706         return !(current_interthread_info->done || current_interthread_info->cancel);
3707 }
3708
3709 void
3710 Editor::freeze_route ()
3711 {
3712         if (clicked_routeview == 0 || !clicked_routeview->is_audio_track()) {
3713                 return;
3714         }
3715
3716         InterThreadInfo itt;
3717
3718         if (interthread_progress_window == 0) {
3719                 build_interthread_progress_window ();
3720         }
3721
3722         WindowTitle title(Glib::get_application_name());
3723         title += _("Freeze");
3724         interthread_progress_window->set_title (title.get_string());
3725         interthread_progress_window->set_position (Gtk::WIN_POS_MOUSE);
3726         interthread_progress_window->show_all ();
3727         interthread_progress_bar.set_fraction (0.0f);
3728         interthread_progress_label.set_text ("");
3729         interthread_cancel_label.set_text (_("Cancel Freeze"));
3730         current_interthread_info = &itt;
3731
3732         interthread_progress_connection =
3733           Glib::signal_timeout().connect (bind (mem_fun(*this, &Editor::freeze_progress_timeout), (gpointer) 0), 100);
3734
3735         itt.done = false;
3736         itt.cancel = false;
3737         itt.progress = 0.0f;
3738
3739         pthread_attr_t attr;
3740         pthread_attr_init(&attr);
3741         pthread_attr_setstacksize(&attr, 500000);
3742
3743         pthread_create_and_store (X_("freezer"), &itt.thread, &attr, _freeze_thread, this);
3744
3745         pthread_attr_destroy(&attr);
3746
3747         track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
3748
3749         while (!itt.done && !itt.cancel) {
3750                 gtk_main_iteration ();
3751         }
3752
3753         interthread_progress_connection.disconnect ();
3754         interthread_progress_window->hide_all ();
3755         current_interthread_info = 0;
3756         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
3757 }
3758
3759 void
3760 Editor::bounce_range_selection (bool replace, bool enable_processing)
3761 {
3762         if (selection->time.empty()) {
3763                 return;
3764         }
3765
3766         TrackSelection views = selection->tracks;
3767
3768         nframes64_t start = selection->time[clicked_selection].start;
3769         nframes64_t end = selection->time[clicked_selection].end;
3770         nframes64_t cnt = end - start + 1;
3771
3772         begin_reversible_command (_("bounce range"));
3773
3774         for (TrackViewList::iterator i = views.begin(); i != views.end(); ++i) {
3775
3776                 RouteTimeAxisView* rtv;
3777
3778                 if ((rtv = dynamic_cast<RouteTimeAxisView*> (*i)) == 0) {
3779                         continue;
3780                 }
3781
3782                 boost::shared_ptr<Playlist> playlist;
3783
3784                 if ((playlist = rtv->playlist()) == 0) {
3785                         return;
3786                 }
3787
3788                 InterThreadInfo itt;
3789
3790                 itt.done = false;
3791                 itt.cancel = false;
3792                 itt.progress = false;
3793
3794                 XMLNode &before = playlist->get_state();
3795                 boost::shared_ptr<Region> r = rtv->track()->bounce_range (start, start+cnt, itt, enable_processing);
3796
3797                 if (replace) {
3798                         list<AudioRange> ranges;
3799                         ranges.push_back (AudioRange (start, start+cnt, 0));
3800                         playlist->cut (ranges); // discard result
3801                         playlist->add_region (r, start);
3802                 }
3803
3804                 XMLNode &after = playlist->get_state();
3805                 session->add_command (new MementoCommand<Playlist> (*playlist, &before, &after));
3806         }
3807
3808         commit_reversible_command ();
3809 }
3810
3811 /** Cut selected regions, automation points or a time range */
3812 void
3813 Editor::cut ()
3814 {
3815         cut_copy (Cut);
3816 }
3817
3818 /** Copy selected regions, automation points or a time range */
3819 void
3820 Editor::copy ()
3821 {
3822         cut_copy (Copy);
3823 }
3824
3825
3826 /** @return true if a Cut, Copy or Clear is possible */
3827 bool
3828 Editor::can_cut_copy () const
3829 {
3830         switch (current_mouse_mode()) {
3831
3832         case MouseObject:
3833                 if (!selection->regions.empty() || !selection->points.empty()) {
3834                         return true;
3835                 }
3836                 break;
3837
3838         case MouseRange:
3839                 if (!selection->time.empty()) {
3840                         return true;
3841                 }
3842                 break;
3843
3844         default:
3845                 break;
3846         }
3847
3848         return false;
3849 }
3850
3851
3852 /** Cut, copy or clear selected regions, automation points or a time range.
3853  * @param op Operation (Cut, Copy or Clear)
3854  */
3855 void
3856 Editor::cut_copy (CutCopyOp op)
3857 {
3858         /* only cancel selection if cut/copy is successful.*/
3859
3860         string opname;
3861
3862         switch (op) {
3863         case Cut:
3864                 opname = _("cut");
3865                 break;
3866         case Copy:
3867                 opname = _("copy");
3868                 break;
3869         case Clear:
3870                 opname = _("clear");
3871                 break;
3872         }
3873
3874         /* if we're deleting something, and the mouse is still pressed,
3875            the thing we started a drag for will be gone when we release
3876            the mouse button(s). avoid this. see part 2 at the end of
3877            this function.
3878         */
3879
3880         if (op == Cut || op == Clear) {
3881                 if (_drag) {
3882                         _drag->item()->ungrab (0);
3883                         delete _drag;
3884                         _drag = 0;
3885                 }
3886         }
3887
3888         cut_buffer->clear ();
3889
3890         if (entered_marker) {
3891
3892                 /* cut/delete op while pointing at a marker */
3893
3894                 bool ignored;
3895                 Location* loc = find_location_from_marker (entered_marker, ignored);
3896
3897                 if (session && loc) {
3898                         Glib::signal_idle().connect (bind (mem_fun(*this, &Editor::really_remove_marker), loc));
3899                 }
3900
3901                 break_drag ();
3902                 delete _drag;
3903                 _drag = 0;
3904
3905                 return;
3906         }
3907
3908         RegionSelection rs;
3909
3910         /* we only want to cut regions if some are selected */
3911
3912         if (!selection->regions.empty()) {
3913                 get_regions_for_action (rs);
3914         }
3915
3916         switch (current_mouse_mode()) {
3917         case MouseObject:
3918                 if (!rs.empty() || !selection->points.empty()) {
3919
3920                         begin_reversible_command (opname + _(" objects"));
3921
3922                         if (!rs.empty()) {
3923                                 cut_copy_regions (op, rs);
3924
3925                                 if (op == Cut) {
3926                                         selection->clear_regions ();
3927                                 }
3928                         }
3929
3930                         if (!selection->points.empty()) {
3931                                 cut_copy_points (op);
3932
3933                                 if (op == Cut) {
3934                                         selection->clear_points ();
3935                                 }
3936                         }
3937
3938                         commit_reversible_command ();
3939                         break; // terminate case statement here
3940                 }
3941                 if (!selection->time.empty()) {
3942                         /* don't cause suprises */
3943                         break;
3944                 }
3945                 // fall thru if there was nothing selected
3946
3947         case MouseRange:
3948                 if (selection->time.empty()) {
3949                         nframes64_t start, end;
3950                         if (!get_edit_op_range (start, end)) {
3951                                 return;
3952                         }
3953                         selection->set ((TimeAxisView*) 0, start, end);
3954                 }
3955
3956                 begin_reversible_command (opname + _(" range"));
3957                 cut_copy_ranges (op);
3958                 commit_reversible_command ();
3959
3960                 if (op == Cut) {
3961                         selection->clear_time ();
3962                 }
3963
3964                 break;
3965
3966         default:
3967                 break;
3968         }
3969
3970
3971         if (op == Cut || op == Clear) {
3972                 break_drag ();
3973                 delete _drag;
3974                 _drag = 0;
3975         }
3976 }
3977
3978 /** Cut, copy or clear selected automation points.
3979  * @param op Operation (Cut, Copy or Clear)
3980  */
3981 void
3982 Editor::cut_copy_points (CutCopyOp op)
3983 {
3984         for (PointSelection::iterator i = selection->points.begin(); i != selection->points.end(); ++i) {
3985
3986                 AutomationTimeAxisView* atv = dynamic_cast<AutomationTimeAxisView*>(&(*i).track);
3987
3988                 if (atv) {
3989                         atv->cut_copy_clear_objects (selection->points, op);
3990                 }
3991         }
3992 }
3993
3994 struct PlaylistState {
3995     boost::shared_ptr<Playlist> playlist;
3996     XMLNode*  before;
3997 };
3998
3999 struct lt_playlist {
4000     bool operator () (const PlaylistState& a, const PlaylistState& b) {
4001             return a.playlist < b.playlist;
4002     }
4003 };
4004
4005 struct PlaylistMapping {
4006     TimeAxisView* tv;
4007     boost::shared_ptr<Playlist> pl;
4008
4009     PlaylistMapping (TimeAxisView* tvp) : tv (tvp) {}
4010 };
4011
4012 /** Remove `clicked_regionview' */
4013 void
4014 Editor::remove_clicked_region ()
4015 {
4016         if (clicked_routeview == 0 || clicked_regionview == 0) {
4017                 return;
4018         }
4019
4020         boost::shared_ptr<Playlist> playlist = clicked_routeview->playlist();
4021
4022         begin_reversible_command (_("remove region"));
4023         XMLNode &before = playlist->get_state();
4024         playlist->remove_region (clicked_regionview->region());
4025         XMLNode &after = playlist->get_state();
4026         session->add_command(new MementoCommand<Playlist>(*playlist, &before, &after));
4027         commit_reversible_command ();
4028 }
4029
4030
4031 /** Remove the selected regions */
4032 void
4033 Editor::remove_selected_regions ()
4034 {
4035         RegionSelection rs;
4036         get_regions_for_action (rs);
4037
4038         if (!session) {
4039                 return;
4040         }
4041
4042         if (rs.empty()) {
4043                 return;
4044         }
4045
4046         begin_reversible_command (_("remove region"));
4047
4048         list<boost::shared_ptr<Region> > regions_to_remove;
4049
4050         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4051                 // we can't just remove the region(s) in this loop because
4052                 // this removes them from the RegionSelection, and they thus
4053                 // disappear from underneath the iterator, and the ++i above
4054                 // SEGVs in a puzzling fashion.
4055
4056                 // so, first iterate over the regions to be removed from rs and
4057                 // add them to the regions_to_remove list, and then
4058                 // iterate over the list to actually remove them.
4059
4060                 regions_to_remove.push_back ((*i)->region());
4061         }
4062
4063         vector<PlaylistState> playlists;
4064
4065         for (list<boost::shared_ptr<Region> >::iterator rl = regions_to_remove.begin(); rl != regions_to_remove.end(); ++rl) {
4066
4067                 boost::shared_ptr<Playlist> playlist = (*rl)->playlist();
4068
4069                 if (!playlist) {
4070                         // is this check necessary?
4071                         continue;
4072                 }
4073
4074                 vector<PlaylistState>::iterator i;
4075
4076                 //only take state if this is a new playlist.
4077                 for (i = playlists.begin(); i != playlists.end(); ++i) {
4078                         if ((*i).playlist == playlist) {
4079                                 break;
4080                         }
4081                 }
4082
4083                 if (i == playlists.end()) {
4084
4085                         PlaylistState before;
4086                         before.playlist = playlist;
4087                         before.before = &playlist->get_state();
4088
4089                         playlist->freeze ();
4090                         playlists.push_back(before);
4091                 }
4092
4093                 playlist->remove_region (*rl);
4094         }
4095
4096         vector<PlaylistState>::iterator pl;
4097
4098         for (pl = playlists.begin(); pl != playlists.end(); ++pl) {
4099                 (*pl).playlist->thaw ();
4100                 session->add_command(new MementoCommand<Playlist>(*(*pl).playlist, (*pl).before, &(*pl).playlist->get_state()));
4101         }
4102
4103         commit_reversible_command ();
4104 }
4105
4106 /** Cut, copy or clear selected regions.
4107  * @param op Operation (Cut, Copy or Clear)
4108  */
4109 void
4110 Editor::cut_copy_regions (CutCopyOp op, RegionSelection& rs)
4111 {
4112         /* we can't use a std::map here because the ordering is important, and we can't trivially sort
4113            a map when we want ordered access to both elements. i think.
4114         */
4115
4116         vector<PlaylistMapping> pmap;
4117
4118         nframes64_t first_position = max_frames;
4119
4120         set<PlaylistState, lt_playlist> freezelist;
4121         pair<set<PlaylistState, lt_playlist>::iterator,bool> insert_result;
4122
4123         /* get ordering correct before we cut/copy */
4124
4125         rs.sort_by_position_and_track ();
4126
4127         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
4128
4129                 first_position = min ((nframes64_t) (*x)->region()->position(), first_position);
4130
4131                 if (op == Cut || op == Clear) {
4132                         boost::shared_ptr<Playlist> pl = (*x)->region()->playlist();
4133
4134                         if (pl) {
4135                                 set<PlaylistState, lt_playlist>::iterator fl;
4136
4137                                 //only take state if this is a new playlist.
4138                                 for (fl = freezelist.begin(); fl != freezelist.end(); ++fl) {
4139                                         if ((*fl).playlist == pl) {
4140                                                 break;
4141                                         }
4142                                 }
4143
4144                                 if (fl == freezelist.end()) {
4145                                         PlaylistState before;
4146                                         before.playlist = pl;
4147                                         before.before = &pl->get_state();
4148                                         pl->freeze ();
4149                                         insert_result = freezelist.insert (before);
4150                                 }
4151                         }
4152                 }
4153
4154                 TimeAxisView* tv = &(*x)->get_trackview();
4155                 vector<PlaylistMapping>::iterator z;
4156
4157                 for (z = pmap.begin(); z != pmap.end(); ++z) {
4158                         if ((*z).tv == tv) {
4159                                 break;
4160                         }
4161                 }
4162
4163                 if (z == pmap.end()) {
4164                         pmap.push_back (PlaylistMapping (tv));
4165                 }
4166         }
4167
4168         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ) {
4169
4170                 boost::shared_ptr<Playlist> pl = (*x)->region()->playlist();
4171
4172                 if (!pl) {
4173                         /* impossible, but this handles it for the future */
4174                         continue;
4175                 }
4176
4177                 TimeAxisView& tv = (*x)->get_trackview();
4178                 boost::shared_ptr<Playlist> npl;
4179                 RegionSelection::iterator tmp;
4180
4181                 tmp = x;
4182                 ++tmp;
4183
4184                 vector<PlaylistMapping>::iterator z;
4185
4186                 for (z = pmap.begin(); z != pmap.end(); ++z) {
4187                         if ((*z).tv == &tv) {
4188                                 break;
4189                         }
4190                 }
4191
4192                 assert (z != pmap.end());
4193
4194                 if (!(*z).pl) {
4195                         npl = PlaylistFactory::create (pl->data_type(), *session, "cutlist", true);
4196                         npl->freeze();
4197                         (*z).pl = npl;
4198                 } else {
4199                         npl = (*z).pl;
4200                 }
4201
4202                 boost::shared_ptr<Region> r = (*x)->region();
4203                 boost::shared_ptr<Region> _xx;
4204
4205                 assert (r != 0);
4206
4207                 switch (op) {
4208                 case Cut:
4209                         _xx = RegionFactory::create (r);
4210                         npl->add_region (_xx, r->position() - first_position);
4211                         pl->remove_region (r);
4212                         break;
4213
4214                 case Copy:
4215                         /* copy region before adding, so we're not putting same object into two different playlists */
4216                         npl->add_region (RegionFactory::create (r), r->position() - first_position);
4217                         break;
4218
4219                 case Clear:
4220                         pl->remove_region (r);
4221                         break;
4222                 }
4223
4224                 x = tmp;
4225         }
4226
4227         list<boost::shared_ptr<Playlist> > foo;
4228
4229         /* the pmap is in the same order as the tracks in which selected regions occured */
4230
4231         for (vector<PlaylistMapping>::iterator i = pmap.begin(); i != pmap.end(); ++i) {
4232                 (*i).pl->thaw();
4233                 foo.push_back ((*i).pl);
4234         }
4235
4236
4237         if (!foo.empty()) {
4238                 cut_buffer->set (foo);
4239         }
4240
4241         for (set<PlaylistState, lt_playlist>::iterator pl = freezelist.begin(); pl != freezelist.end(); ++pl) {
4242                 (*pl).playlist->thaw ();
4243                 session->add_command (new MementoCommand<Playlist>(*(*pl).playlist, (*pl).before, &(*pl).playlist->get_state()));
4244         }
4245 }
4246
4247 void
4248 Editor::cut_copy_ranges (CutCopyOp op)
4249 {
4250         TrackSelection* ts;
4251         TrackSelection entered;
4252
4253         if (selection->tracks.empty()) {
4254                 if (!entered_track) {
4255                         return;
4256                 }
4257                 entered.push_back (entered_track);
4258                 ts = &entered;
4259         } else {
4260                 ts = &selection->tracks;
4261         }
4262
4263         for (TrackSelection::iterator i = ts->begin(); i != ts->end(); ++i) {
4264                 (*i)->cut_copy_clear (*selection, op);
4265         }
4266 }
4267
4268 void
4269 Editor::paste (float times)
4270 {
4271         paste_internal (get_preferred_edit_position(), times);
4272 }
4273
4274 void
4275 Editor::mouse_paste ()
4276 {
4277         nframes64_t where;
4278         bool ignored;
4279
4280         if (!mouse_frame (where, ignored)) {
4281                 return;
4282         }
4283
4284         snap_to (where);
4285         paste_internal (where, 1);
4286 }
4287
4288 void
4289 Editor::paste_internal (nframes64_t position, float times)
4290 {
4291         bool commit = false;
4292
4293         if (cut_buffer->empty()) {
4294                 return;
4295         }
4296
4297         if (position == max_frames) {
4298                 position = get_preferred_edit_position();
4299         }
4300
4301         begin_reversible_command (_("paste"));
4302
4303         TrackSelection ts;
4304         TrackSelection::iterator i;
4305         size_t nth;
4306
4307         /* get everything in the correct order */
4308
4309
4310         if (!selection->tracks.empty()) {
4311                 sort_track_selection ();
4312                 ts = selection->tracks;
4313         } else if (entered_track) {
4314                 ts.push_back (entered_track);
4315         }
4316
4317         for (nth = 0, i = ts.begin(); i != ts.end(); ++i, ++nth) {
4318
4319                 /* undo/redo is handled by individual tracks */
4320
4321                 if ((*i)->paste (position, times, *cut_buffer, nth)) {
4322                         commit = true;
4323                 }
4324         }
4325
4326         if (commit) {
4327                 commit_reversible_command ();
4328         }
4329 }
4330
4331 void
4332 Editor::paste_named_selection (float times)
4333 {
4334         TrackSelection::iterator t;
4335
4336         Glib::RefPtr<TreeSelection> selected = named_selection_display.get_selection();
4337
4338         if (selected->count_selected_rows() != 1 || selection->tracks.empty()) {
4339                 return;
4340         }
4341
4342         TreeModel::iterator i = selected->get_selected();
4343         NamedSelection* ns = (*i)[named_selection_columns.selection];
4344
4345         list<boost::shared_ptr<Playlist> >::iterator chunk;
4346         list<boost::shared_ptr<Playlist> >::iterator tmp;
4347
4348         chunk = ns->playlists.begin();
4349
4350         begin_reversible_command (_("paste chunk"));
4351
4352         sort_track_selection ();
4353
4354         for (t = selection->tracks.begin(); t != selection->tracks.end(); ++t) {
4355
4356                 RouteTimeAxisView* rtv;
4357                 boost::shared_ptr<Playlist> pl;
4358                 boost::shared_ptr<AudioPlaylist> apl;
4359
4360                 if ((rtv = dynamic_cast<RouteTimeAxisView*> (*t)) == 0) {
4361                         continue;
4362                 }
4363
4364                 if ((pl = rtv->playlist()) == 0) {
4365                         continue;
4366                 }
4367
4368                 if ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) == 0) {
4369                         continue;
4370                 }
4371
4372                 tmp = chunk;
4373                 ++tmp;
4374
4375                 XMLNode &before = apl->get_state();
4376                 apl->paste (*chunk, get_preferred_edit_position(), times);
4377                 session->add_command(new MementoCommand<AudioPlaylist>(*apl, &before, &apl->get_state()));
4378
4379                 if (tmp != ns->playlists.end()) {
4380                         chunk = tmp;
4381                 }
4382         }
4383
4384         commit_reversible_command();
4385 }
4386
4387 void
4388 Editor::duplicate_some_regions (RegionSelection& regions, float times)
4389 {
4390         boost::shared_ptr<Playlist> playlist;
4391         RegionSelection sel = regions; // clear (below) may  clear the argument list if its the current region selection
4392         RegionSelection foo;
4393
4394         begin_reversible_command (_("duplicate region"));
4395
4396         selection->clear_regions ();
4397
4398         for (RegionSelection::iterator i = sel.begin(); i != sel.end(); ++i) {
4399
4400                 boost::shared_ptr<Region> r ((*i)->region());
4401
4402                 TimeAxisView& tv = (*i)->get_time_axis_view();
4403                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (&tv);
4404                 latest_regionviews.clear ();
4405                 sigc::connection c = rtv->view()->RegionViewAdded.connect (mem_fun(*this, &Editor::collect_new_region_view));
4406
4407                 playlist = (*i)->region()->playlist();
4408                 XMLNode &before = playlist->get_state();
4409                 playlist->duplicate (r, r->last_frame(), times);
4410                 session->add_command(new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
4411
4412                 c.disconnect ();
4413
4414                 foo.insert (foo.end(), latest_regionviews.begin(), latest_regionviews.end());
4415         }
4416
4417         commit_reversible_command ();
4418
4419         if (!foo.empty()) {
4420                 selection->set (foo);
4421         }
4422 }
4423
4424 void
4425 Editor::duplicate_selection (float times)
4426 {
4427         if (selection->time.empty() || selection->tracks.empty()) {
4428                 return;
4429         }
4430
4431         boost::shared_ptr<Playlist> playlist;
4432         vector<boost::shared_ptr<Region> > new_regions;
4433         vector<boost::shared_ptr<Region> >::iterator ri;
4434
4435         create_region_from_selection (new_regions);
4436
4437         if (new_regions.empty()) {
4438                 return;
4439         }
4440
4441         begin_reversible_command (_("duplicate selection"));
4442
4443         ri = new_regions.begin();
4444
4445         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4446                 if ((playlist = (*i)->playlist()) == 0) {
4447                         continue;
4448                 }
4449                 XMLNode &before = playlist->get_state();
4450                 playlist->duplicate (*ri, selection->time[clicked_selection].end, times);
4451                 XMLNode &after = playlist->get_state();
4452                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &after));
4453
4454                 ++ri;
4455                 if (ri == new_regions.end()) {
4456                         --ri;
4457                 }
4458         }
4459
4460         commit_reversible_command ();
4461 }
4462
4463 void
4464 Editor::reset_point_selection ()
4465 {
4466         /* reset all selected points to the relevant default value */
4467
4468         for (PointSelection::iterator i = selection->points.begin(); i != selection->points.end(); ++i) {
4469
4470                 AutomationTimeAxisView* atv = dynamic_cast<AutomationTimeAxisView*>(&(*i).track);
4471
4472                 if (atv) {
4473                         atv->reset_objects (selection->points);
4474                 }
4475         }
4476 }
4477
4478 void
4479 Editor::center_playhead ()
4480 {
4481         float page = _canvas_width * frames_per_unit;
4482         center_screen_internal (playhead_cursor->current_frame, page);
4483 }
4484
4485 void
4486 Editor::center_edit_point ()
4487 {
4488         float page = _canvas_width * frames_per_unit;
4489         center_screen_internal (get_preferred_edit_position(), page);
4490 }
4491
4492 void
4493 Editor::clear_playlist (boost::shared_ptr<Playlist> playlist)
4494 {
4495         begin_reversible_command (_("clear playlist"));
4496         XMLNode &before = playlist->get_state();
4497         playlist->clear ();
4498         XMLNode &after = playlist->get_state();
4499         session->add_command (new MementoCommand<Playlist>(*playlist.get(), &before, &after));
4500         commit_reversible_command ();
4501 }
4502
4503 void
4504 Editor::nudge_track (bool use_edit, bool forwards)
4505 {
4506         boost::shared_ptr<Playlist> playlist;
4507         nframes64_t distance;
4508         nframes64_t next_distance;
4509         nframes64_t start;
4510
4511         if (use_edit) {
4512                 start = get_preferred_edit_position();
4513         } else {
4514                 start = 0;
4515         }
4516
4517         if ((distance = get_nudge_distance (start, next_distance)) == 0) {
4518                 return;
4519         }
4520
4521         if (selection->tracks.empty()) {
4522                 return;
4523         }
4524
4525         begin_reversible_command (_("nudge track"));
4526
4527         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4528
4529                 if ((playlist = (*i)->playlist()) == 0) {
4530                         continue;
4531                 }
4532
4533                 XMLNode &before = playlist->get_state();
4534                 playlist->nudge_after (start, distance, forwards);
4535                 XMLNode &after = playlist->get_state();
4536                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &after));
4537         }
4538
4539         commit_reversible_command ();
4540 }
4541
4542 void
4543 Editor::remove_last_capture ()
4544 {
4545         vector<string> choices;
4546         string prompt;
4547
4548         if (!session) {
4549                 return;
4550         }
4551
4552         if (Config->get_verify_remove_last_capture()) {
4553                 prompt  = _("Do you really want to destroy the last capture?"
4554                             "\n(This is destructive and cannot be undone)");
4555
4556                 choices.push_back (_("No, do nothing."));
4557                 choices.push_back (_("Yes, destroy it."));
4558
4559                 Gtkmm2ext::Choice prompter (prompt, choices);
4560
4561                 if (prompter.run () == 1) {
4562                         session->remove_last_capture ();
4563                 }
4564
4565         } else {
4566                 session->remove_last_capture();
4567         }
4568 }
4569
4570 void
4571 Editor::normalize_region ()
4572 {
4573         if (!session) {
4574                 return;
4575         }
4576
4577         RegionSelection rs;
4578         get_regions_for_action (rs);
4579
4580         if (rs.empty()) {
4581                 return;
4582         }
4583
4584         Dialog dialog (rs.size() > 1 ? _("Normalize regions") : _("Normalize region"));
4585         HBox hbox;
4586         hbox.pack_start (*manage (new Label (_("Normalize to:"))));
4587         SpinButton spin (0.2, 2);
4588         spin.set_range (-112, 0);
4589         spin.set_increments (0.1, 1);
4590         spin.set_value (0);
4591         hbox.pack_start (spin);
4592         spin.set_value (_last_normalization_value);
4593         hbox.pack_start (*manage (new Label (_("dbFS"))));
4594         hbox.show_all ();
4595         dialog.get_vbox()->pack_start (hbox);
4596         dialog.add_button (Stock::CANCEL, RESPONSE_CANCEL);
4597         dialog.add_button (_("Normalize"), RESPONSE_ACCEPT);
4598
4599         if (dialog.run () == RESPONSE_CANCEL) {
4600                 return;
4601         }
4602
4603         begin_reversible_command (_("normalize"));
4604
4605         track_canvas->get_window()->set_cursor (*wait_cursor);
4606         gdk_flush ();
4607
4608         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
4609                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4610                 if (!arv)
4611                         continue;
4612                 XMLNode &before = arv->region()->get_state();
4613                 arv->audio_region()->normalize_to (spin.get_value());
4614                 session->add_command (new MementoCommand<Region>(*(arv->region().get()), &before, &arv->region()->get_state()));
4615         }
4616
4617         commit_reversible_command ();
4618         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
4619
4620         _last_normalization_value = spin.get_value ();
4621 }
4622
4623
4624 void
4625 Editor::denormalize_region ()
4626 {
4627         if (!session) {
4628                 return;
4629         }
4630
4631         RegionSelection rs;
4632
4633         get_regions_for_action (rs);
4634
4635         if (rs.empty()) {
4636                 return;
4637         }
4638
4639         begin_reversible_command ("denormalize");
4640
4641         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
4642                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4643                 if (!arv)
4644                         continue;
4645                 XMLNode &before = arv->region()->get_state();
4646                 arv->audio_region()->set_scale_amplitude (1.0f);
4647                 session->add_command (new MementoCommand<Region>(*(arv->region().get()), &before, &arv->region()->get_state()));
4648         }
4649
4650         commit_reversible_command ();
4651 }
4652
4653 void
4654 Editor::adjust_region_scale_amplitude (bool up)
4655 {
4656         if (!session) {
4657                 return;
4658         }
4659
4660         RegionSelection rs;
4661
4662         get_regions_for_action (rs);
4663
4664         if (rs.empty()) {
4665                 return;
4666         }
4667
4668         begin_reversible_command ("denormalize");
4669
4670         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
4671                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4672                 if (!arv)
4673                         continue;
4674                 XMLNode &before = arv->region()->get_state();
4675
4676                 double fraction = gain_to_slider_position (arv->audio_region()->scale_amplitude ());
4677
4678                 if (up) {
4679                         fraction += 0.05;
4680                         fraction = min (fraction, 1.0);
4681                 } else {
4682                         fraction -= 0.05;
4683                         fraction = max (fraction, 0.0);
4684                 }
4685
4686                 if (!up && fraction <= 0) {
4687                         continue;
4688                 }
4689
4690                 fraction = slider_position_to_gain (fraction);
4691                 fraction = coefficient_to_dB (fraction);
4692                 fraction = dB_to_coefficient (fraction);
4693
4694                 if (up && fraction >= 2.0) {
4695                         continue;
4696                 }
4697
4698                 arv->audio_region()->set_scale_amplitude (fraction);
4699                 session->add_command (new MementoCommand<Region>(*(arv->region().get()), &before, &arv->region()->get_state()));
4700         }
4701
4702         commit_reversible_command ();
4703 }
4704
4705
4706 void
4707 Editor::reverse_region ()
4708 {
4709         if (!session) {
4710                 return;
4711         }
4712
4713         Reverse rev (*session);
4714         apply_filter (rev, _("reverse regions"));
4715 }
4716
4717 void
4718 Editor::strip_region_silence ()
4719 {
4720         if (!session) {
4721                 return;
4722         }
4723
4724         RegionSelection rs;
4725         get_regions_for_action (rs);
4726
4727         if (rs.empty()) {
4728                 return;
4729         }
4730
4731         std::list<boost::shared_ptr<AudioRegion> > ar;
4732
4733         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4734                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*> (*i);
4735                 if (arv) {
4736                         ar.push_back (arv->audio_region ());
4737                 }
4738         }
4739
4740         StripSilenceDialog d (ar);
4741         int const r = d.run ();
4742
4743         if (r == Gtk::RESPONSE_OK) {
4744                 StripSilence s (*session, d.threshold (), d.minimum_length (), d.fade_length ());
4745                 apply_filter (s, _("strip silence"));
4746         }
4747 }
4748
4749
4750 void
4751 Editor::quantize_region ()
4752 {
4753         if (!session) {
4754                 return;
4755         }
4756
4757         // FIXME: varying meter?
4758         Quantize quant (*session, snap_length_beats(0));
4759         apply_filter (quant, _("quantize regions"));
4760 }
4761
4762 void
4763 Editor::apply_filter (Filter& filter, string command)
4764 {
4765         RegionSelection rs;
4766
4767         get_regions_for_action (rs);
4768
4769         if (rs.empty()) {
4770                 return;
4771         }
4772
4773         begin_reversible_command (command);
4774
4775         track_canvas->get_window()->set_cursor (*wait_cursor);
4776         gdk_flush ();
4777
4778         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ) {
4779                 RegionSelection::iterator tmp = r;
4780                 ++tmp;
4781
4782                 MidiRegionView* const mrv = dynamic_cast<MidiRegionView*>(*r);
4783                 if (mrv) {
4784                         if (mrv->midi_region()->apply(filter) == 0) {
4785                                 mrv->redisplay_model();
4786                         }
4787                 }
4788
4789                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4790                 if (arv) {
4791                         boost::shared_ptr<Playlist> playlist = arv->region()->playlist();
4792
4793                         if (arv->audio_region()->apply (filter) == 0) {
4794
4795                                 XMLNode &before = playlist->get_state();
4796
4797                                 if (filter.results.empty ()) {
4798
4799                                         /* no regions returned; remove the old one */
4800                                         playlist->remove_region (arv->region ());
4801
4802                                 } else {
4803
4804                                         std::vector<boost::shared_ptr<Region> >::iterator res = filter.results.begin ();
4805
4806                                         /* first region replaces the old one */
4807                                         playlist->replace_region (arv->region(), *res, (*res)->position());
4808                                         ++res;
4809
4810                                         /* add the rest */
4811                                         while (res != filter.results.end()) {
4812                                                 playlist->add_region (*res, (*res)->position());
4813                                                 ++res;
4814                                         }
4815
4816                                 }
4817
4818                                 XMLNode &after = playlist->get_state();
4819                                 session->add_command(new MementoCommand<Playlist>(*playlist, &before, &after));
4820                         } else {
4821                                 goto out;
4822                         }
4823                 }
4824
4825                 r = tmp;
4826         }
4827
4828         commit_reversible_command ();
4829         rs.clear ();
4830
4831   out:
4832         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
4833 }
4834
4835 void
4836 Editor::region_selection_op (void (Region::*pmf)(void))
4837 {
4838         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4839                 Region* region = (*i)->region().get();
4840                 (region->*pmf)();
4841         }
4842 }
4843
4844
4845 void
4846 Editor::region_selection_op (void (Region::*pmf)(void*), void *arg)
4847 {
4848         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4849                 Region* region = (*i)->region().get();
4850                 (region->*pmf)(arg);
4851         }
4852 }
4853
4854 void
4855 Editor::region_selection_op (void (Region::*pmf)(bool), bool yn)
4856 {
4857         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4858                 Region* region = (*i)->region().get();
4859                 (region->*pmf)(yn);
4860         }
4861 }
4862
4863 void
4864 Editor::external_edit_region ()
4865 {
4866         /* more to come */
4867 }
4868
4869 void
4870 Editor::brush (nframes64_t pos)
4871 {
4872         RegionSelection sel;
4873         RegionSelection rs;
4874
4875         get_regions_for_action (rs);
4876
4877         snap_to (pos);
4878
4879         if (rs.empty()) {
4880                 return;
4881         }
4882
4883         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4884                 mouse_brush_insert_region ((*i), pos);
4885         }
4886 }
4887
4888 void
4889 Editor::reset_region_gain_envelopes ()
4890 {
4891         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
4892
4893         if (!session || rs.empty()) {
4894                 return;
4895         }
4896
4897         session->begin_reversible_command (_("reset region gain"));
4898
4899         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4900                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4901                 if (arv) {
4902                         boost::shared_ptr<AutomationList> alist (arv->audio_region()->envelope());
4903                         XMLNode& before (alist->get_state());
4904
4905                         arv->audio_region()->set_default_envelope ();
4906                         session->add_command (new MementoCommand<AutomationList>(*arv->audio_region()->envelope().get(), &before, &alist->get_state()));
4907                 }
4908         }
4909
4910         session->commit_reversible_command ();
4911 }
4912
4913 void
4914 Editor::toggle_gain_envelope_visibility ()
4915 {
4916         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
4917
4918         if (!session || rs.empty()) {
4919                 return;
4920         }
4921
4922         session->begin_reversible_command (_("region gain envelope visible"));
4923
4924         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4925                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4926                 if (arv) {
4927                         XMLNode &before = arv->region()->get_state ();
4928                         arv->set_envelope_visible (!arv->envelope_visible());
4929                         XMLNode &after = arv->region()->get_state ();
4930                         session->add_command (new MementoCommand<Region> (*(arv->region().get()), &before, &after));
4931                 }
4932         }
4933
4934         session->commit_reversible_command ();
4935 }
4936
4937 void
4938 Editor::toggle_gain_envelope_active ()
4939 {
4940         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
4941
4942         if (!session || rs.empty()) {
4943                 return;
4944         }
4945
4946         session->begin_reversible_command (_("region gain envelope active"));
4947
4948         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4949                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4950                 if (arv) {
4951                         XMLNode &before = arv->region()->get_state ();
4952                         arv->audio_region()->set_envelope_active (!arv->audio_region()->envelope_active());
4953                         XMLNode &after = arv->region()->get_state ();
4954                         session->add_command (new MementoCommand<Region> (*(arv->region().get()), &before, &after));
4955                 }
4956         }
4957
4958         session->commit_reversible_command ();
4959 }
4960
4961 void
4962 Editor::toggle_region_lock ()
4963 {
4964         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
4965
4966         if (!session || rs.empty()) {
4967                 return;
4968         }
4969
4970         session->begin_reversible_command (_("region lock"));
4971
4972         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4973                 XMLNode &before = (*i)->region()->get_state ();
4974                 (*i)->region()->set_locked (!(*i)->region()->locked());
4975                 XMLNode &after = (*i)->region()->get_state ();
4976                 session->add_command (new MementoCommand<Region> (*((*i)->region().get()), &before, &after));
4977         }
4978
4979         session->commit_reversible_command ();
4980 }
4981
4982 void
4983 Editor::set_region_lock_style (Region::PositionLockStyle ps)
4984 {
4985         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
4986
4987         if (!session || rs.empty()) {
4988                 return;
4989         }
4990
4991         session->begin_reversible_command (_("region lock style"));
4992
4993         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4994                 XMLNode &before = (*i)->region()->get_state ();
4995                 (*i)->region()->set_position_lock_style (ps);
4996                 XMLNode &after = (*i)->region()->get_state ();
4997                 session->add_command (new MementoCommand<Region> (*((*i)->region().get()), &before, &after));
4998         }
4999
5000         session->commit_reversible_command ();
5001 }
5002
5003
5004 void
5005 Editor::toggle_region_mute ()
5006 {
5007         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
5008
5009         if (!session || rs.empty()) {
5010                 return;
5011         }
5012
5013         session->begin_reversible_command (_("region mute"));
5014
5015         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5016                 XMLNode &before = (*i)->region()->get_state ();
5017                 (*i)->region()->set_muted (!(*i)->region()->muted());
5018                 XMLNode &after = (*i)->region()->get_state ();
5019                 session->add_command (new MementoCommand<Region> (*((*i)->region().get()), &before, &after));
5020         }
5021
5022         session->commit_reversible_command ();
5023 }
5024
5025 void
5026 Editor::toggle_region_opaque ()
5027 {
5028         RegionSelection rs = get_equivalent_regions (selection->regions, RouteGroup::Edit);
5029
5030         if (!session || rs.empty()) {
5031                 return;
5032         }
5033
5034         session->begin_reversible_command (_("region opacity"));
5035
5036         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5037                 XMLNode &before = (*i)->region()->get_state ();
5038                 (*i)->region()->set_opaque (!(*i)->region()->opaque());
5039                 XMLNode &after = (*i)->region()->get_state ();
5040                 session->add_command (new MementoCommand<Region> (*((*i)->region().get()), &before, &after));
5041         }
5042
5043         session->commit_reversible_command ();
5044 }
5045
5046 void
5047 Editor::toggle_record_enable ()
5048 {
5049         bool new_state = false;
5050         bool first = true;
5051         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
5052                 RouteTimeAxisView *rtav = dynamic_cast<RouteTimeAxisView *>(*i);
5053                 if (!rtav)
5054                         continue;
5055                 if (!rtav->is_track())
5056                         continue;
5057
5058                 if (first) {
5059                         new_state = !rtav->track()->record_enabled();
5060                         first = false;
5061                 }
5062
5063                 rtav->track()->set_record_enable(new_state, this);
5064         }
5065 }
5066
5067
5068 void
5069 Editor::set_fade_length (bool in)
5070 {
5071         RegionSelection rs;
5072
5073         get_regions_for_action (rs, true);
5074
5075         if (rs.empty()) {
5076                 return;
5077         }
5078
5079         /* we need a region to measure the offset from the start */
5080
5081         RegionView* rv = rs.front ();
5082
5083         nframes64_t pos = get_preferred_edit_position();
5084         nframes64_t len;
5085         char* cmd;
5086
5087         if (pos > rv->region()->last_frame() || pos < rv->region()->first_frame()) {
5088                 /* edit point is outside the relevant region */
5089                 return;
5090         }
5091
5092         if (in) {
5093                 if (pos <= rv->region()->position()) {
5094                         /* can't do it */
5095                         return;
5096                 }
5097                 len = pos - rv->region()->position();
5098                 cmd = _("set fade in length");
5099         } else {
5100                 if (pos >= rv->region()->last_frame()) {
5101                         /* can't do it */
5102                         return;
5103                 }
5104                 len = rv->region()->last_frame() - pos;
5105                 cmd = _("set fade out length");
5106         }
5107
5108         begin_reversible_command (cmd);
5109
5110         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5111                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5112
5113                 if (!tmp) {
5114                         return;
5115                 }
5116
5117                 boost::shared_ptr<AutomationList> alist;
5118                 if (in) {
5119                         alist = tmp->audio_region()->fade_in();
5120                 } else {
5121                         alist = tmp->audio_region()->fade_out();
5122                 }
5123
5124                 XMLNode &before = alist->get_state();
5125
5126                 if (in) {
5127                         tmp->audio_region()->set_fade_in_length (len);
5128                         tmp->audio_region()->set_fade_in_active (true);
5129                 } else {
5130                         tmp->audio_region()->set_fade_out_length (len);
5131                         tmp->audio_region()->set_fade_out_active (true);
5132                 }
5133
5134                 XMLNode &after = alist->get_state();
5135                 session->add_command(new MementoCommand<AutomationList>(*alist, &before, &after));
5136         }
5137
5138         commit_reversible_command ();
5139 }
5140
5141 void
5142 Editor::toggle_fade_active (bool in)
5143 {
5144         RegionSelection rs;
5145
5146         get_regions_for_action (rs);
5147
5148         if (rs.empty()) {
5149                 return;
5150         }
5151
5152         const char* cmd = (in ? _("toggle fade in active") : _("toggle fade out active"));
5153         bool have_switch = false;
5154         bool yn = false;
5155
5156         begin_reversible_command (cmd);
5157
5158         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5159                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5160
5161                 if (!tmp) {
5162                         return;
5163                 }
5164
5165                 boost::shared_ptr<AudioRegion> region (tmp->audio_region());
5166
5167                 /* make the behaviour consistent across all regions */
5168
5169                 if (!have_switch) {
5170                         if (in) {
5171                                 yn = region->fade_in_active();
5172                         } else {
5173                                 yn = region->fade_out_active();
5174                         }
5175                         have_switch = true;
5176                 }
5177
5178                 XMLNode &before = region->get_state();
5179                 if (in) {
5180                         region->set_fade_in_active (!yn);
5181                 } else {
5182                         region->set_fade_out_active (!yn);
5183                 }
5184                 XMLNode &after = region->get_state();
5185                 session->add_command(new MementoCommand<AudioRegion>(*region.get(), &before, &after));
5186         }
5187
5188         commit_reversible_command ();
5189 }
5190
5191 void
5192 Editor::set_fade_in_shape (AudioRegion::FadeShape shape)
5193 {
5194         RegionSelection rs;
5195
5196         get_regions_for_action (rs);
5197
5198         if (rs.empty()) {
5199                 return;
5200         }
5201
5202         begin_reversible_command (_("set fade in shape"));
5203
5204         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5205                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5206
5207                 if (!tmp) {
5208                         return;
5209                 }
5210
5211                 boost::shared_ptr<AutomationList> alist = tmp->audio_region()->fade_in();
5212                 XMLNode &before = alist->get_state();
5213
5214                 tmp->audio_region()->set_fade_in_shape (shape);
5215
5216                 XMLNode &after = alist->get_state();
5217                 session->add_command(new MementoCommand<AutomationList>(*alist.get(), &before, &after));
5218         }
5219
5220         commit_reversible_command ();
5221
5222 }
5223
5224 void
5225 Editor::set_fade_out_shape (AudioRegion::FadeShape shape)
5226 {
5227         RegionSelection rs;
5228
5229         get_regions_for_action (rs);
5230
5231         if (rs.empty()) {
5232                 return;
5233         }
5234
5235         begin_reversible_command (_("set fade out shape"));
5236
5237         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5238                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5239
5240                 if (!tmp) {
5241                         return;
5242                 }
5243
5244                 boost::shared_ptr<AutomationList> alist = tmp->audio_region()->fade_out();
5245                 XMLNode &before = alist->get_state();
5246
5247                 tmp->audio_region()->set_fade_out_shape (shape);
5248
5249                 XMLNode &after = alist->get_state();
5250                 session->add_command(new MementoCommand<AutomationList>(*alist.get(), &before, &after));
5251         }
5252
5253         commit_reversible_command ();
5254 }
5255
5256 void
5257 Editor::set_fade_in_active (bool yn)
5258 {
5259         RegionSelection rs;
5260
5261         get_regions_for_action (rs);
5262
5263         if (rs.empty()) {
5264                 return;
5265         }
5266
5267         begin_reversible_command (_("set fade in active"));
5268
5269         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5270                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5271
5272                 if (!tmp) {
5273                         return;
5274                 }
5275
5276
5277                 boost::shared_ptr<AudioRegion> ar (tmp->audio_region());
5278
5279                 XMLNode &before = ar->get_state();
5280
5281                 ar->set_fade_in_active (yn);
5282
5283                 XMLNode &after = ar->get_state();
5284                 session->add_command(new MementoCommand<AudioRegion>(*ar, &before, &after));
5285         }
5286
5287         commit_reversible_command ();
5288 }
5289
5290 void
5291 Editor::set_fade_out_active (bool yn)
5292 {
5293         RegionSelection rs;
5294
5295         get_regions_for_action (rs);
5296
5297         if (rs.empty()) {
5298                 return;
5299         }
5300
5301         begin_reversible_command (_("set fade out active"));
5302
5303         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
5304                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
5305
5306                 if (!tmp) {
5307                         return;
5308                 }
5309
5310                 boost::shared_ptr<AudioRegion> ar (tmp->audio_region());
5311
5312                 XMLNode &before = ar->get_state();
5313
5314                 ar->set_fade_out_active (yn);
5315
5316                 XMLNode &after = ar->get_state();
5317                 session->add_command(new MementoCommand<AudioRegion>(*ar, &before, &after));
5318         }
5319
5320         commit_reversible_command ();
5321 }
5322
5323 void
5324 Editor::toggle_selected_region_fades (int dir)
5325 {
5326         RegionSelection rs;
5327         RegionSelection::iterator i;
5328         boost::shared_ptr<AudioRegion> ar;
5329         bool yn;
5330
5331         get_regions_for_action (rs);
5332
5333         if (rs.empty()) {
5334                 return;
5335         }
5336
5337         for (i = rs.begin(); i != rs.end(); ++i) {
5338                 if ((ar = boost::dynamic_pointer_cast<AudioRegion>((*i)->region())) != 0) {
5339                         if (dir == -1) {
5340                                 yn = ar->fade_out_active ();
5341                         } else {
5342                                 yn = ar->fade_in_active ();
5343                         }
5344                         break;
5345                 }
5346         }
5347
5348         if (i == rs.end()) {
5349                 return;
5350         }
5351
5352         /* XXX should this undo-able? */
5353
5354         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5355                 if ((ar = boost::dynamic_pointer_cast<AudioRegion>((*i)->region())) == 0) {
5356                         continue;
5357                 }
5358                 if (dir == 1 || dir == 0) {
5359                         ar->set_fade_in_active (!yn);
5360                 }
5361
5362                 if (dir == -1 || dir == 0) {
5363                         ar->set_fade_out_active (!yn);
5364                 }
5365         }
5366 }
5367
5368
5369 /** Update region fade visibility after its configuration has been changed */
5370 void
5371 Editor::update_region_fade_visibility ()
5372 {
5373         bool _fade_visibility = session->config.get_show_region_fades ();
5374
5375         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5376                 AudioTimeAxisView* v = dynamic_cast<AudioTimeAxisView*>(*i);
5377                 if (v) {
5378                         if (_fade_visibility) {
5379                                 v->audio_view()->show_all_fades ();
5380                         } else {
5381                                 v->audio_view()->hide_all_fades ();
5382                         }
5383                 }
5384         }
5385 }
5386
5387 /** Update crossfade visibility after its configuration has been changed */
5388 void
5389 Editor::update_xfade_visibility ()
5390 {
5391         _xfade_visibility = session->config.get_xfades_visible ();
5392
5393         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5394                 AudioTimeAxisView* v = dynamic_cast<AudioTimeAxisView*>(*i);
5395                 if (v) {
5396                         if (_xfade_visibility) {
5397                                 v->show_all_xfades ();
5398                         } else {
5399                                 v->hide_all_xfades ();
5400                         }
5401                 }
5402         }
5403 }
5404
5405 void
5406 Editor::set_edit_point ()
5407 {
5408         nframes64_t where;
5409         bool ignored;
5410
5411         if (!mouse_frame (where, ignored)) {
5412                 return;
5413         }
5414
5415         snap_to (where);
5416
5417         if (selection->markers.empty()) {
5418
5419                 mouse_add_new_marker (where);
5420
5421         } else {
5422                 bool ignored;
5423
5424                 Location* loc = find_location_from_marker (selection->markers.front(), ignored);
5425
5426                 if (loc) {
5427                         loc->move_to (where);
5428                 }
5429         }
5430 }
5431
5432 void
5433 Editor::set_playhead_cursor ()
5434 {
5435         if (entered_marker) {
5436                 session->request_locate (entered_marker->position(), session->transport_rolling());
5437         } else {
5438                 nframes64_t where;
5439                 bool ignored;
5440
5441                 if (!mouse_frame (where, ignored)) {
5442                         return;
5443                 }
5444
5445                 snap_to (where);
5446
5447                 if (session) {
5448                         session->request_locate (where, session->transport_rolling());
5449                 }
5450         }
5451 }
5452
5453 void
5454 Editor::split ()
5455 {
5456         RegionSelection rs;
5457
5458         get_regions_for_action (rs, true);
5459
5460         nframes64_t where = get_preferred_edit_position();
5461
5462         if (rs.empty()) {
5463                 return;
5464         }
5465
5466         split_regions_at (where, rs);
5467 }
5468
5469 void
5470 Editor::ensure_entered_track_selected (bool op_really_wants_one_track_if_none_are_selected)
5471 {
5472         if (entered_track && mouse_mode == MouseObject) {
5473                 if (!selection->tracks.empty()) {
5474                         if (!selection->selected (entered_track)) {
5475                                 selection->add (entered_track);
5476                         }
5477                 } else {
5478                         /* there is no selection, but this operation requires/prefers selected objects */
5479
5480                         if (op_really_wants_one_track_if_none_are_selected) {
5481                                 selection->set (entered_track);
5482                         }
5483                 }
5484         }
5485 }
5486
5487 struct EditorOrderRouteSorter {
5488     bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
5489             /* use of ">" forces the correct sort order */
5490             return a->order_key ("editor") < b->order_key ("editor");
5491     }
5492 };
5493
5494 void
5495 Editor::select_next_route()
5496 {
5497         if (selection->tracks.empty()) {
5498                 selection->set (track_views.front());
5499                 return;
5500         }
5501
5502         TimeAxisView* current = selection->tracks.front();
5503
5504         RouteUI *rui;
5505         do {
5506                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5507                         if (*i == current) {
5508                                 ++i;
5509                                 if (i != track_views.end()) {
5510                                         current = (*i);
5511                                 } else {
5512                                         current = (*(track_views.begin()));
5513                                         //selection->set (*(track_views.begin()));
5514                                 }
5515                                 break;
5516                         }
5517                 }
5518                 rui = dynamic_cast<RouteUI *>(current);
5519         } while ( current->hidden() || (rui != NULL && !rui->route()->active()));
5520
5521         selection->set(current);
5522
5523         ensure_track_visible(current);
5524 }
5525
5526 void
5527 Editor::select_prev_route()
5528 {
5529         if (selection->tracks.empty()) {
5530                 selection->set (track_views.front());
5531                 return;
5532         }
5533
5534         TimeAxisView* current = selection->tracks.front();
5535
5536         RouteUI *rui;
5537         do {
5538                 for (TrackViewList::reverse_iterator i = track_views.rbegin(); i != track_views.rend(); ++i) {
5539                         if (*i == current) {
5540                                 ++i;
5541                                 if (i != track_views.rend()) {
5542                                         current = (*i);
5543                                 } else {
5544                                         current = *(track_views.rbegin());
5545                                 }
5546                                 break;
5547                         }
5548                 }
5549                 rui = dynamic_cast<RouteUI *>(current);
5550         } while ( current->hidden() || (rui != NULL && !rui->route()->active()));
5551
5552         selection->set (current);
5553
5554         ensure_track_visible(current);
5555 }
5556
5557 void
5558 Editor::ensure_track_visible(TimeAxisView *track)
5559 {
5560         if (track->hidden())
5561                 return;
5562
5563         double const current_view_min_y = vertical_adjustment.get_value();
5564         double const current_view_max_y = vertical_adjustment.get_value() + vertical_adjustment.get_page_size() - canvas_timebars_vsize;
5565
5566         double const track_min_y = track->y_position ();
5567         double const track_max_y = track->y_position () + track->effective_height ();
5568
5569         if (track_min_y >= current_view_min_y &&
5570             track_max_y <= current_view_max_y) {
5571                 return;
5572         }
5573
5574         double new_value;
5575
5576         if (track_min_y < current_view_min_y) {
5577                 // Track is above the current view
5578                 new_value = track_min_y;
5579         } else {
5580                 // Track is below the current view
5581                 new_value = track->y_position () + track->effective_height() + canvas_timebars_vsize - vertical_adjustment.get_page_size();
5582         }
5583
5584         vertical_adjustment.set_value(new_value);
5585 }
5586
5587 void
5588 Editor::set_loop_from_selection (bool play)
5589 {
5590         if (session == 0 || selection->time.empty()) {
5591                 return;
5592         }
5593
5594         nframes64_t start = selection->time[clicked_selection].start;
5595         nframes64_t end = selection->time[clicked_selection].end;
5596
5597         set_loop_range (start, end,  _("set loop range from selection"));
5598
5599         if (play) {
5600                 session->request_play_loop (true);
5601                 session->request_locate (start, true);
5602         }
5603 }
5604
5605 void
5606 Editor::set_loop_from_edit_range (bool play)
5607 {
5608         if (session == 0) {
5609                 return;
5610         }
5611
5612         nframes64_t start;
5613         nframes64_t end;
5614
5615         if (!get_edit_op_range (start, end)) {
5616                 return;
5617         }
5618
5619         set_loop_range (start, end,  _("set loop range from edit range"));
5620
5621         if (play) {
5622                 session->request_play_loop (true);
5623                 session->request_locate (start, true);
5624         }
5625 }
5626
5627 void
5628 Editor::set_loop_from_region (bool play)
5629 {
5630         nframes64_t start = max_frames;
5631         nframes64_t end = 0;
5632
5633         RegionSelection rs;
5634
5635         get_regions_for_action (rs);
5636
5637         if (rs.empty()) {
5638                 return;
5639         }
5640
5641         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5642                 if ((*i)->region()->position() < start) {
5643                         start = (*i)->region()->position();
5644                 }
5645                 if ((*i)->region()->last_frame() + 1 > end) {
5646                         end = (*i)->region()->last_frame() + 1;
5647                 }
5648         }
5649
5650         set_loop_range (start, end, _("set loop range from region"));
5651
5652         if (play) {
5653                 session->request_play_loop (true);
5654                 session->request_locate (start, true);
5655         }
5656 }
5657
5658 void
5659 Editor::set_punch_from_selection ()
5660 {
5661         if (session == 0 || selection->time.empty()) {
5662                 return;
5663         }
5664
5665         nframes64_t start = selection->time[clicked_selection].start;
5666         nframes64_t end = selection->time[clicked_selection].end;
5667
5668         set_punch_range (start, end,  _("set punch range from selection"));
5669 }
5670
5671 void
5672 Editor::set_punch_from_edit_range ()
5673 {
5674         if (session == 0) {
5675                 return;
5676         }
5677
5678         nframes64_t start;
5679         nframes64_t end;
5680
5681         if (!get_edit_op_range (start, end)) {
5682                 return;
5683         }
5684
5685         set_punch_range (start, end,  _("set punch range from edit range"));
5686 }
5687
5688 void
5689 Editor::set_punch_from_region ()
5690 {
5691         nframes64_t start = max_frames;
5692         nframes64_t end = 0;
5693
5694         RegionSelection rs;
5695
5696         get_regions_for_action (rs);
5697
5698         if (rs.empty()) {
5699                 return;
5700         }
5701
5702         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5703                 if ((*i)->region()->position() < start) {
5704                         start = (*i)->region()->position();
5705                 }
5706                 if ((*i)->region()->last_frame() + 1 > end) {
5707                         end = (*i)->region()->last_frame() + 1;
5708                 }
5709         }
5710
5711         set_punch_range (start, end, _("set punch range from region"));
5712 }
5713
5714 void
5715 Editor::pitch_shift_regions ()
5716 {
5717         RegionSelection rs;
5718
5719         get_regions_for_action (rs);
5720
5721         if (rs.empty()) {
5722                 return;
5723         }
5724
5725         pitch_shift (rs, 1.2);
5726 }
5727
5728 void
5729 Editor::use_region_as_bar ()
5730 {
5731         if (!session) {
5732                 return;
5733         }
5734
5735         RegionSelection rs;
5736
5737         get_regions_for_action (rs);
5738
5739         if (rs.empty()) {
5740                 return;
5741         }
5742
5743         RegionView* rv = rs.front();
5744
5745         define_one_bar (rv->region()->position(), rv->region()->last_frame() + 1);
5746 }
5747
5748 void
5749 Editor::use_range_as_bar ()
5750 {
5751         nframes64_t start, end;
5752         if (get_edit_op_range (start, end)) {
5753                 define_one_bar (start, end);
5754         }
5755 }
5756
5757 void
5758 Editor::define_one_bar (nframes64_t start, nframes64_t end)
5759 {
5760         nframes64_t length = end - start;
5761
5762         const Meter& m (session->tempo_map().meter_at (start));
5763
5764         /* length = 1 bar */
5765
5766         /* now we want frames per beat.
5767            we have frames per bar, and beats per bar, so ...
5768         */
5769
5770         double frames_per_beat = length / m.beats_per_bar();
5771
5772         /* beats per minute = */
5773
5774         double beats_per_minute = (session->frame_rate() * 60.0) / frames_per_beat;
5775
5776         /* now decide whether to:
5777
5778             (a) set global tempo
5779             (b) add a new tempo marker
5780
5781         */
5782
5783         const TempoSection& t (session->tempo_map().tempo_section_at (start));
5784
5785         bool do_global = false;
5786
5787         if ((session->tempo_map().n_tempos() == 1) && (session->tempo_map().n_meters() == 1)) {
5788
5789                 /* only 1 tempo & 1 meter: ask if the user wants to set the tempo
5790                    at the start, or create a new marker
5791                 */
5792
5793                 vector<string> options;
5794                 options.push_back (_("Cancel"));
5795                 options.push_back (_("Add new marker"));
5796                 options.push_back (_("Set global tempo"));
5797                 Choice c (_("Do you want to set the global tempo or add new tempo marker?"),
5798                           options);
5799                 c.set_default_response (2);
5800
5801                 switch (c.run()) {
5802                 case 0:
5803                         return;
5804
5805                 case 2:
5806                         do_global = true;
5807                         break;
5808
5809                 default:
5810                         do_global = false;
5811                 }
5812
5813         } else {
5814
5815                 /* more than 1 tempo and/or meter section already, go ahead do the "usual":
5816                    if the marker is at the region starter, change it, otherwise add
5817                    a new tempo marker
5818                 */
5819         }
5820
5821         begin_reversible_command (_("set tempo from region"));
5822         XMLNode& before (session->tempo_map().get_state());
5823
5824         if (do_global) {
5825                 session->tempo_map().change_initial_tempo (beats_per_minute, t.note_type());
5826         } else if (t.frame() == start) {
5827                 session->tempo_map().change_existing_tempo_at (start, beats_per_minute, t.note_type());
5828         } else {
5829                 session->tempo_map().add_tempo (Tempo (beats_per_minute, t.note_type()), start);
5830         }
5831
5832         XMLNode& after (session->tempo_map().get_state());
5833
5834         session->add_command (new MementoCommand<TempoMap>(session->tempo_map(), &before, &after));
5835         commit_reversible_command ();
5836 }
5837
5838 void
5839 Editor::split_region_at_transients ()
5840 {
5841         AnalysisFeatureList positions;
5842
5843         if (!session) {
5844                 return;
5845         }
5846
5847         RegionSelection rs;
5848
5849         get_regions_for_action (rs);
5850
5851         if (rs.empty()) {
5852                 return;
5853         }
5854
5855         session->begin_reversible_command (_("split regions"));
5856
5857         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ) {
5858
5859                 RegionSelection::iterator tmp;
5860
5861                 tmp = i;
5862                 ++tmp;
5863
5864                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> ((*i)->region());
5865
5866                 if (ar && (ar->get_transients (positions) == 0)) {
5867                         split_region_at_points ((*i)->region(), positions, true);
5868                         positions.clear ();
5869                 }
5870
5871                 i = tmp;
5872         }
5873
5874         session->commit_reversible_command ();
5875
5876 }
5877
5878 void
5879 Editor::split_region_at_points (boost::shared_ptr<Region> r, AnalysisFeatureList& positions, bool can_ferret)
5880 {
5881         bool use_rhythmic_rodent = false;
5882
5883         boost::shared_ptr<Playlist> pl = r->playlist();
5884
5885         if (!pl) {
5886                 return;
5887         }
5888
5889         if (positions.empty()) {
5890                 return;
5891         }
5892
5893
5894         if (positions.size() > 20) {
5895                 Glib::ustring msgstr = string_compose (_("You are about to split\n%1\ninto %2 pieces.\nThis could take a long time."), r->name(), positions.size() + 1);
5896                 MessageDialog msg (msgstr,
5897                                    false,
5898                                    Gtk::MESSAGE_INFO,
5899                                    Gtk::BUTTONS_OK_CANCEL);
5900
5901                 if (can_ferret) {
5902                         msg.add_button (_("Call for the Ferret!"), RESPONSE_APPLY);
5903                         msg.set_secondary_text (_("Press OK to continue with this split operation\nor ask the Ferret dialog to tune the analysis"));
5904                 } else {
5905                         msg.set_secondary_text (_("Press OK to continue with this split operation"));
5906                 }
5907
5908                 msg.set_title (_("Excessive split?"));
5909                 msg.present ();
5910
5911                 int response = msg.run();
5912                 msg.hide ();
5913                 switch (response) {
5914                 case RESPONSE_OK:
5915                         break;
5916                 case RESPONSE_APPLY:
5917                         use_rhythmic_rodent = true;
5918                         break;
5919                 default:
5920                         return;
5921                 }
5922         }
5923
5924         if (use_rhythmic_rodent) {
5925                 show_rhythm_ferret ();
5926                 return;
5927         }
5928
5929         AnalysisFeatureList::const_iterator x;
5930
5931         nframes64_t pos = r->position();
5932
5933         XMLNode& before (pl->get_state());
5934
5935         x = positions.begin();
5936
5937         while (x != positions.end()) {
5938                 if ((*x) > pos) {
5939                         break;
5940                 }
5941                 ++x;
5942         }
5943
5944         if (x == positions.end()) {
5945                 return;
5946         }
5947
5948         pl->freeze ();
5949         pl->remove_region (r);
5950
5951         while (x != positions.end()) {
5952
5953                 /* file start = original start + how far we from the initial position ?
5954                  */
5955
5956                 nframes64_t file_start = r->start() + (pos - r->position());
5957
5958                 /* length = next position - current position
5959                  */
5960
5961                 nframes64_t len = (*x) - pos;
5962
5963                 /* XXX we do we really want to allow even single-sample regions?
5964                    shouldn't we have some kind of lower limit on region size?
5965                 */
5966
5967                 if (len <= 0) {
5968                         break;
5969                 }
5970
5971                 string new_name;
5972
5973                 if (session->region_name (new_name, r->name())) {
5974                         break;
5975                 }
5976
5977                 /* do NOT announce new regions 1 by one, just wait till they are all done */
5978
5979                 boost::shared_ptr<Region> nr = RegionFactory::create (r->sources(), file_start, len, new_name, 0, Region::DefaultFlags, false);
5980                 pl->add_region (nr, pos);
5981
5982                 pos += len;
5983                 ++x;
5984
5985                 if (*x > r->last_frame()) {
5986
5987                         /* add final fragment */
5988
5989                         file_start = r->start() + (pos - r->position());
5990                         len = r->last_frame() - pos;
5991
5992                         nr = RegionFactory::create (r->sources(), file_start, len, new_name, 0, Region::DefaultFlags);
5993                         pl->add_region (nr, pos);
5994
5995                         break;
5996                 }
5997         }
5998
5999         pl->thaw ();
6000
6001         XMLNode& after (pl->get_state());
6002
6003         session->add_command (new MementoCommand<Playlist>(*pl, &before, &after));
6004 }
6005
6006 void
6007 Editor::tab_to_transient (bool forward)
6008 {
6009         AnalysisFeatureList positions;
6010
6011         if (!session) {
6012                 return;
6013         }
6014
6015         nframes64_t pos = session->audible_frame ();
6016
6017         if (!selection->tracks.empty()) {
6018
6019                 for (TrackSelection::iterator t = selection->tracks.begin(); t != selection->tracks.end(); ++t) {
6020
6021                         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*t);
6022
6023                         if (rtv) {
6024                                 boost::shared_ptr<Diskstream> ds = rtv->get_diskstream();
6025                                 if (ds) {
6026                                         boost::shared_ptr<Playlist> pl = rtv->get_diskstream()->playlist ();
6027                                         if (pl) {
6028                                                 nframes64_t result = pl->find_next_transient (pos, forward ? 1 : -1);
6029
6030                                                 if (result >= 0) {
6031                                                         positions.push_back (result);
6032                                                 }
6033                                         }
6034                                 }
6035                         }
6036                 }
6037
6038         } else {
6039
6040                 RegionSelection rs;
6041
6042                 get_regions_for_action (rs);
6043
6044                 if (rs.empty()) {
6045                         return;
6046                 }
6047
6048                 for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
6049                         (*r)->region()->get_transients (positions);
6050                 }
6051         }
6052
6053         TransientDetector::cleanup_transients (positions, session->frame_rate(), 3.0);
6054
6055         if (forward) {
6056                 AnalysisFeatureList::iterator x;
6057
6058                 for (x = positions.begin(); x != positions.end(); ++x) {
6059                         if ((*x) > pos) {
6060                                 break;
6061                         }
6062                 }
6063
6064                 if (x != positions.end ()) {
6065                         session->request_locate (*x);
6066                 }
6067
6068         } else {
6069                 AnalysisFeatureList::reverse_iterator x;
6070
6071                 for (x = positions.rbegin(); x != positions.rend(); ++x) {
6072                         if ((*x) < pos) {
6073                                 break;
6074                         }
6075                 }
6076
6077                 if (x != positions.rend ()) {
6078                         session->request_locate (*x);
6079                 }
6080         }
6081 }
6082 void
6083 Editor::playhead_forward_to_grid ()
6084 {
6085         if (!session) return;
6086         nframes64_t pos = playhead_cursor->current_frame;
6087         if (pos < max_frames - 1) {
6088                 pos += 2;
6089                 snap_to_internal (pos, 1, false);
6090                 session->request_locate (pos);
6091         }
6092 }
6093
6094
6095 void
6096 Editor::playhead_backward_to_grid ()
6097 {
6098         if (!session) return;
6099         nframes64_t pos = playhead_cursor->current_frame;
6100         if (pos > 2) {
6101                 pos -= 2;
6102                 snap_to_internal (pos, -1, false);
6103                 session->request_locate (pos);
6104         }
6105 }
6106
6107 void
6108 Editor::set_track_height (uint32_t h)
6109 {
6110         TrackSelection& ts (selection->tracks);
6111
6112         for (TrackSelection::iterator x = ts.begin(); x != ts.end(); ++x) {
6113                 (*x)->set_height (h);
6114         }
6115 }
6116
6117 void
6118 Editor::toggle_tracks_active ()
6119 {
6120         TrackSelection& ts (selection->tracks);
6121         bool first = true;
6122         bool target = false;
6123
6124         if (ts.empty()) {
6125                 return;
6126         }
6127
6128         for (TrackSelection::iterator x = ts.begin(); x != ts.end(); ++x) {
6129                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*x);
6130
6131                 if (rtv) {
6132                         if (first) {
6133                                 target = !rtv->_route->active();
6134                                 first = false;
6135                         }
6136                         rtv->_route->set_active (target);
6137                 }
6138         }
6139 }
6140
6141 void
6142 Editor::remove_tracks ()
6143 {
6144         TrackSelection& ts (selection->tracks);
6145
6146         if (ts.empty()) {
6147                 return;
6148         }
6149
6150         vector<string> choices;
6151         string prompt;
6152         int ntracks = 0;
6153         int nbusses = 0;
6154         const char* trackstr;
6155         const char* busstr;
6156         vector<boost::shared_ptr<Route> > routes;
6157
6158         for (TrackSelection::iterator x = ts.begin(); x != ts.end(); ++x) {
6159                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*x);
6160                 if (rtv) {
6161                         if (rtv->is_track()) {
6162                                 ntracks++;
6163                         } else {
6164                                 nbusses++;
6165                         }
6166                 }
6167                 routes.push_back (rtv->_route);
6168         }
6169
6170         if (ntracks + nbusses == 0) {
6171                 return;
6172         }
6173
6174         if (ntracks > 1) {
6175                 trackstr = _("tracks");
6176         } else {
6177                 trackstr = _("track");
6178         }
6179
6180         if (nbusses > 1) {
6181                 busstr = _("busses");
6182         } else {
6183                 busstr = _("bus");
6184         }
6185
6186         if (ntracks) {
6187                 if (nbusses) {
6188                         prompt  = string_compose (_("Do you really want to remove %1 %2 and %3 %4?\n"
6189                                                     "(You may also lose the playlists associated with the %2)\n\n"
6190                                                     "This action cannot be undone!"),
6191                                                   ntracks, trackstr, nbusses, busstr);
6192                 } else {
6193                         prompt  = string_compose (_("Do you really want to remove %1 %2?\n"
6194                                                     "(You may also lose the playlists associated with the %2)\n\n"
6195                                                     "This action cannot be undone!"),
6196                                                   ntracks, trackstr);
6197                 }
6198         } else if (nbusses) {
6199                 prompt  = string_compose (_("Do you really want to remove %1 %2?"),
6200                                           nbusses, busstr);
6201         }
6202
6203         choices.push_back (_("No, do nothing."));
6204         if (ntracks + nbusses > 1) {
6205                 choices.push_back (_("Yes, remove them."));
6206         } else {
6207                 choices.push_back (_("Yes, remove it."));
6208         }
6209
6210         Choice prompter (prompt, choices);
6211
6212         if (prompter.run () != 1) {
6213                 return;
6214         }
6215
6216         for (vector<boost::shared_ptr<Route> >::iterator x = routes.begin(); x != routes.end(); ++x) {
6217                 session->remove_route (*x);
6218         }
6219 }
6220
6221 void
6222 Editor::do_insert_time ()
6223 {
6224         if (selection->tracks.empty()) {
6225                 return;
6226         }
6227
6228         ArdourDialog d (*this, _("Insert Time"));
6229
6230         nframes64_t const pos = get_preferred_edit_position ();
6231
6232         d.get_vbox()->set_border_width (12);
6233         d.get_vbox()->set_spacing (4);
6234
6235         Table table (2, 2);
6236         table.set_spacings (4);
6237
6238         Label time_label (_("Time to insert:"));
6239         time_label.set_alignment (1, 0.5);
6240         table.attach (time_label, 0, 1, 0, 1, FILL | EXPAND);
6241         AudioClock clock ("insertTimeClock", true, X_("InsertTimeClock"), true, true, true);
6242         clock.set (0);
6243         clock.set_session (session);
6244         clock.set_bbt_reference (pos);
6245         table.attach (clock, 1, 2, 0, 1);
6246
6247         Label intersected_label (_("Intersected regions should:"));
6248         intersected_label.set_alignment (1, 0.5);
6249         table.attach (intersected_label, 0, 1, 1, 2, FILL | EXPAND);
6250         ComboBoxText intersected_combo;
6251         intersected_combo.append_text (_("stay in position"));
6252         intersected_combo.append_text (_("move"));
6253         intersected_combo.append_text (_("be split"));
6254         intersected_combo.set_active (0);
6255         table.attach (intersected_combo, 1, 2, 1, 2);
6256
6257         d.get_vbox()->pack_start (table);
6258
6259         CheckButton move_glued (_("Move glued regions"));
6260         d.get_vbox()->pack_start (move_glued);
6261         CheckButton move_markers (_("Move markers"));
6262         d.get_vbox()->pack_start (move_markers);
6263         CheckButton move_tempos (_("Move tempo and meter changes"));
6264         d.get_vbox()->pack_start (move_tempos);
6265
6266         d.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
6267         d.add_button (_("Insert time"), Gtk::RESPONSE_OK);
6268         d.show_all ();
6269
6270         int response = d.run ();
6271
6272         if (response != RESPONSE_OK) {
6273                 return;
6274         }
6275
6276         nframes64_t distance = clock.current_duration (pos);
6277
6278         if (distance == 0) {
6279                 return;
6280         }
6281
6282         InsertTimeOption opt;
6283
6284         switch (intersected_combo.get_active_row_number ()) {
6285         case 0:
6286                 opt = LeaveIntersected;
6287                 break;
6288         case 1:
6289                 opt = MoveIntersected;
6290                 break;
6291         case 2:
6292                 opt = SplitIntersected;
6293                 break;
6294         }
6295
6296         insert_time (pos, distance, opt, move_glued.get_active(), move_markers.get_active(), move_tempos.get_active());
6297 }
6298
6299 void
6300 Editor::insert_time (nframes64_t pos, nframes64_t frames, InsertTimeOption opt,
6301                      bool ignore_music_glue, bool markers_too, bool tempo_too)
6302 {
6303         bool commit = false;
6304
6305         if (Config->get_edit_mode() == Lock) {
6306                 return;
6307         }
6308
6309         begin_reversible_command (_("insert time"));
6310
6311         for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
6312                 /* regions */
6313                 boost::shared_ptr<Playlist> pl = (*x)->playlist();
6314
6315                 if (pl) {
6316
6317                         XMLNode &before = pl->get_state();
6318
6319                         if (opt == SplitIntersected) {
6320                                 pl->split (pos);
6321                         }
6322
6323                         pl->shift (pos, frames, (opt == MoveIntersected), ignore_music_glue);
6324
6325                         XMLNode &after = pl->get_state();
6326
6327                         session->add_command (new MementoCommand<Playlist> (*pl, &before, &after));
6328                         commit = true;
6329                 }
6330
6331                 /* automation */
6332                 RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (*x);
6333                 if (rtav) {
6334                         rtav->route ()->shift (pos, frames);
6335                         commit = true;
6336                 }
6337         }
6338
6339         /* markers */
6340         if (markers_too) {
6341                 bool moved = false;
6342                 XMLNode& before (session->locations()->get_state());
6343                 Locations::LocationList copy (session->locations()->list());
6344
6345                 for (Locations::LocationList::iterator i = copy.begin(); i != copy.end(); ++i) {
6346
6347                         Locations::LocationList::const_iterator tmp;
6348
6349                         if ((*i)->start() >= pos) {
6350                                 (*i)->set_start ((*i)->start() + frames);
6351                                 if (!(*i)->is_mark()) {
6352                                         (*i)->set_end ((*i)->end() + frames);
6353                                 }
6354                                 moved = true;
6355                         }
6356                 }
6357
6358                 if (moved) {
6359                         XMLNode& after (session->locations()->get_state());
6360                         session->add_command (new MementoCommand<Locations>(*session->locations(), &before, &after));
6361                 }
6362         }
6363
6364         if (tempo_too) {
6365                 session->tempo_map().insert_time (pos, frames);
6366         }
6367
6368         if (commit) {
6369                 commit_reversible_command ();
6370         }
6371 }
6372
6373 void
6374 Editor::fit_selected_tracks ()
6375 {
6376         fit_tracks (selection->tracks);
6377 }
6378
6379 void
6380 Editor::fit_route_group (RouteGroup *g)
6381 {
6382         TrackSelection ts = axis_views_from_routes (g->route_list ());
6383         fit_tracks (ts);
6384 }
6385
6386 void
6387 Editor::fit_tracks (TrackSelection & tracks)
6388 {
6389         if (tracks.empty()) {
6390                 return;
6391         }
6392
6393         uint32_t child_heights = 0;
6394
6395         for (TrackSelection::iterator t = tracks.begin(); t != tracks.end(); ++t) {
6396
6397                 if (!(*t)->marked_for_display()) {
6398                         continue;
6399                 }
6400
6401                 child_heights += (*t)->effective_height() - (*t)->current_height();
6402         }
6403
6404         uint32_t h = (uint32_t) floor ((_canvas_height - child_heights - canvas_timebars_vsize) / tracks.size());
6405         double first_y_pos = DBL_MAX;
6406
6407         if (h < TimeAxisView::hSmall) {
6408                 MessageDialog msg (*this, _("There are too many tracks to fit in the current window"));
6409                 /* too small to be displayed */
6410                 return;
6411         }
6412
6413         undo_visual_stack.push_back (current_visual_state());
6414
6415         /* operate on all tracks, hide unselected ones that are in the middle of selected ones */
6416
6417         bool prev_was_selected = false;
6418         bool is_selected = tracks.contains (track_views.front());
6419         bool next_is_selected;
6420
6421         for (TrackViewList::iterator t = track_views.begin(); t != track_views.end(); ++t) {
6422
6423                 TrackViewList::iterator next;
6424
6425                 next = t;
6426                 ++next;
6427
6428                 if (next != track_views.end()) {
6429                         next_is_selected = tracks.contains (*next);
6430                 } else {
6431                         next_is_selected = false;
6432                 }
6433
6434                 if (is_selected) {
6435                         (*t)->set_height (h);
6436                         first_y_pos = std::min ((*t)->y_position (), first_y_pos);
6437                 } else {
6438                         if (prev_was_selected && next_is_selected) {
6439                                 hide_track_in_display (**t);
6440                         }
6441                 }
6442
6443                 prev_was_selected = is_selected;
6444                 is_selected = next_is_selected;
6445         }
6446
6447         /*
6448            set the controls_layout height now, because waiting for its size
6449            request signal handler will cause the vertical adjustment setting to fail
6450         */
6451
6452         controls_layout.property_height () = full_canvas_height - canvas_timebars_vsize;
6453         vertical_adjustment.set_value (first_y_pos);
6454
6455         redo_visual_stack.push_back (current_visual_state());
6456 }
6457
6458 void
6459 Editor::save_visual_state (uint32_t n)
6460 {
6461         while (visual_states.size() <= n) {
6462                 visual_states.push_back (0);
6463         }
6464
6465         delete visual_states[n];
6466
6467         visual_states[n] = current_visual_state (true);
6468         gdk_beep ();
6469 }
6470
6471 void
6472 Editor::goto_visual_state (uint32_t n)
6473 {
6474         if (visual_states.size() <= n) {
6475                 return;
6476         }
6477
6478         if (visual_states[n] == 0) {
6479                 return;
6480         }
6481
6482         use_visual_state (*visual_states[n]);
6483 }
6484
6485 void
6486 Editor::start_visual_state_op (uint32_t n)
6487 {
6488         cerr << "Start visual op\n";
6489         if (visual_state_op_connection.empty()) {
6490                 visual_state_op_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::end_visual_state_op), n), 1000);
6491                 cerr << "\tqueued new timeout\n";
6492         }
6493 }
6494
6495 void
6496 Editor::cancel_visual_state_op (uint32_t n)
6497 {
6498         if (!visual_state_op_connection.empty()) {
6499                 cerr << "cancel visual op, time to goto\n";
6500                 visual_state_op_connection.disconnect();
6501                 goto_visual_state (n);
6502         } else {
6503                 cerr << "cancel visual op, do nothing\n";
6504         }
6505 }
6506
6507 bool
6508 Editor::end_visual_state_op (uint32_t n)
6509 {
6510         visual_state_op_connection.disconnect();
6511         save_visual_state (n);
6512
6513         PopUp* pup = new PopUp (WIN_POS_MOUSE, 1000, true);
6514         char buf[32];
6515         snprintf (buf, sizeof (buf), _("Saved view %u"), n+1);
6516         pup->set_text (buf);
6517         pup->touch();
6518
6519         return false; // do not call again
6520 }
6521