gtk2_ardour/editor_ops.cc

   1 /*
   2     Copyright (C) 2000-2004 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <unistd.h>
  21
  22 #include <cstdlib>
  23 #include <cmath>
  24 #include <string>
  25 #include <map>
  26 #include <set>
  27
  28 #include <pbd/error.h>
  29 #include <pbd/basename.h>
  30 #include <pbd/pthread_utils.h>
  31 #include <pbd/memento_command.h>
  32 #include <pbd/whitespace.h>
  33
  34 #include <gtkmm2ext/utils.h>
  35 #include <gtkmm2ext/choice.h>
  36 #include <gtkmm2ext/window_title.h>
  37 #include <gtkmm2ext/popup.h>
  38
  39
  40 #include <ardour/audioengine.h>
  41 #include <ardour/session.h>
  42 #include <ardour/audioplaylist.h>
  43 #include <ardour/audioregion.h>
  44 #include <ardour/audio_diskstream.h>
  45 #include <ardour/utils.h>
  46 #include <ardour/location.h>
  47 #include <ardour/named_selection.h>
  48 #include <ardour/audio_track.h>
  49 #include <ardour/audiofilesource.h>
  50 #include <ardour/audioplaylist.h>
  51 #include <ardour/region_factory.h>
  52 #include <ardour/playlist_factory.h>
  53 #include <ardour/reverse.h>
  54 #include <ardour/transient_detector.h>
  55 #include <ardour/dB.h>
  56
  57 #include "ardour_ui.h"
  58 #include "editor.h"
  59 #include "time_axis_view.h"
  60 #include "route_time_axis.h"
  61 #include "audio_time_axis.h"
  62 #include "automation_time_axis.h"
  63 #include "streamview.h"
  64 #include "audio_region_view.h"
  65 #include "rgb_macros.h"
  66 #include "selection_templates.h"
  67 #include "selection.h"
  68 #include "editing.h"
  69 #include "gtk-custom-hruler.h"
  70 #include "gui_thread.h"
  71 #include "keyboard.h"
  72 #include "utils.h"
  73
  74 #include "i18n.h"
  75
  76 using namespace std;
  77 using namespace ARDOUR;
  78 using namespace PBD;
  79 using namespace sigc;
  80 using namespace Gtk;
  81 using namespace Gtkmm2ext;
  82 using namespace Editing;
  83
  84 /***********************************************************************
  85   Editor operations
  86  ***********************************************************************/
  87
  88 void
  89 Editor::undo (uint32_t n)
  90 {
  91         if (session) {
  92                 session->undo (n);
  93         }
  94 }
  95
  96 void
  97 Editor::redo (uint32_t n)
  98 {
  99         if (session) {
 100                 session->redo (n);
 101         }
 102 }
 103
 104 void
 105 Editor::split_region ()
 106 {
 107         split_region_at (get_preferred_edit_position());
 108 }
 109
 110 void
 111 Editor::split_region_at (nframes64_t where)
 112 {
 113         RegionSelection rs;
 114
 115         get_regions_for_action (rs);
 116         split_regions_at (where, selection->regions);
 117 }
 118
 119 void
 120 Editor::split_regions_at (nframes64_t where, RegionSelection& regions)
 121 {
 122         if (regions.empty()) {
 123                 return;
 124         }
 125
 126         begin_reversible_command (_("split"));
 127
 128         // if splitting a single region, and snap-to is using
 129         // region boundaries, don't pay attention to them
 130
 131         if (regions.size() == 1) {
 132                 switch (snap_type) {
 133                 case SnapToRegionStart:
 134                 case SnapToRegionSync:
 135                 case SnapToRegionEnd:
 136                         break;
 137                 default:
 138                         snap_to (where);
 139                 }
 140         } else {
 141                 snap_to (where);
 142         }
 143
 144         cerr << "Split " << regions.size() << " at " << where << endl;
 145
 146         for (RegionSelection::iterator a = regions.begin(); a != regions.end(); ) {
 147
 148                 RegionSelection::iterator tmp;
 149
 150                 /* XXX this test needs to be more complicated, to make sure we really
 151                    have something to split.
 152                 */
 153
 154                 if (!(*a)->region()->covers (where)) {
 155                         ++a;
 156                         continue;
 157                 }
 158
 159                 tmp = a;
 160                 ++tmp;
 161
 162                 boost::shared_ptr<Playlist> pl = (*a)->region()->playlist();
 163
 164                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*a);
 165
 166                 if (arv) {
 167                         _new_regionviews_show_envelope = arv->envelope_visible();
 168                 }
 169
 170                 if (pl) {
 171                         XMLNode &before = pl->get_state();
 172                         pl->split_region ((*a)->region(), where);
 173                         XMLNode &after = pl->get_state();
 174                         session->add_command(new MementoCommand<Playlist>(*pl, &before, &after));
 175                 }
 176
 177                 a = tmp;
 178         }
 179
 180         commit_reversible_command ();
 181         _new_regionviews_show_envelope = false;
 182 }
 183
 184 void
 185 Editor::remove_clicked_region ()
 186 {
 187         if (clicked_audio_trackview == 0 || clicked_regionview == 0) {
 188                 return;
 189         }
 190
 191         boost::shared_ptr<Playlist> playlist = clicked_audio_trackview->playlist();
 192
 193         begin_reversible_command (_("remove region"));
 194         XMLNode &before = playlist->get_state();
 195         playlist->remove_region (clicked_regionview->region());
 196         XMLNode &after = playlist->get_state();
 197         session->add_command(new MementoCommand<Playlist>(*playlist, &before, &after));
 198         commit_reversible_command ();
 199 }
 200
 201 void
 202 Editor::remove_region ()
 203 {
 204
 205         RegionSelection rs;
 206         get_regions_for_action (rs);
 207
 208         if (!session) {
 209                 return;
 210         }
 211
 212         if (rs.empty()) {
 213                 return;
 214         }
 215
 216         begin_reversible_command (_("remove region"));
 217
 218         list<boost::shared_ptr<Region> > regions_to_remove;
 219
 220         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
 221                 // we can't just remove the region(s) in this loop because
 222                 // this removes them from the RegionSelection, and they thus
 223                 // disappear from underneath the iterator, and the ++i above
 224                 // SEGVs in a puzzling fashion.
 225
 226                 // so, first iterate over the regions to be removed from rs and
 227                 // add them to the regions_to_remove list, and then
 228                 // iterate over the list to actually remove them.
 229
 230                 regions_to_remove.push_back ((*i)->region());
 231         }
 232
 233         for (list<boost::shared_ptr<Region> >::iterator rl = regions_to_remove.begin(); rl != regions_to_remove.end(); ++rl) {
 234                 boost::shared_ptr<Playlist> playlist = (*rl)->playlist();
 235                 if (!playlist) {
 236                         // is this check necessary?
 237                         continue;
 238                 }
 239
 240                 XMLNode &before = playlist->get_state();
 241                 playlist->remove_region (*rl);
 242                 XMLNode &after = playlist->get_state();
 243                 session->add_command(new MementoCommand<Playlist>(*playlist, &before, &after));
 244         }
 245         commit_reversible_command ();
 246 }
 247
 248 boost::shared_ptr<Region>
 249 Editor::select_region_for_operation (int dir, TimeAxisView **tv)
 250 {
 251         RegionView* rv;
 252         boost::shared_ptr<Region> region;
 253         nframes64_t start = 0;
 254
 255         if (selection->time.start () == selection->time.end_frame ()) {
 256
 257                 /* no current selection-> is there a selected regionview? */
 258
 259                 if (selection->regions.empty()) {
 260                         return region;
 261                 }
 262
 263         }
 264
 265         if (!selection->regions.empty()) {
 266
 267                 rv = *(selection->regions.begin());
 268                 (*tv) = &rv->get_time_axis_view();
 269                 region = rv->region();
 270
 271         } else if (!selection->tracks.empty()) {
 272
 273                 (*tv) = selection->tracks.front();
 274
 275                 RouteTimeAxisView* rtv;
 276
 277                 if ((rtv = dynamic_cast<RouteTimeAxisView*> (*tv)) != 0) {
 278                         boost::shared_ptr<Playlist> pl;
 279
 280                         if ((pl = rtv->playlist()) == 0) {
 281                                 return region;
 282                         }
 283
 284                         region = pl->top_region_at (start);
 285                 }
 286         }
 287
 288         return region;
 289 }
 290
 291 void
 292 Editor::extend_selection_to_end_of_region (bool next)
 293 {
 294         TimeAxisView *tv;
 295         boost::shared_ptr<Region> region;
 296         nframes64_t start;
 297
 298         if ((region = select_region_for_operation (next ? 1 : 0, &tv)) == 0) {
 299                 return;
 300         }
 301
 302         if (region && selection->time.start () == selection->time.end_frame ()) {
 303                 start = region->position();
 304         } else {
 305                 start = selection->time.start ();
 306         }
 307
 308         /* Try to leave the selection with the same route if possible */
 309
 310         if ((tv = selection->time.track) == 0) {
 311                 return;
 312         }
 313
 314         begin_reversible_command (_("extend selection"));
 315         selection->set (tv, start, region->position() + region->length());
 316         commit_reversible_command ();
 317 }
 318
 319 void
 320 Editor::extend_selection_to_start_of_region (bool previous)
 321 {
 322         TimeAxisView *tv;
 323         boost::shared_ptr<Region> region;
 324         nframes64_t end;
 325
 326         if ((region = select_region_for_operation (previous ? -1 : 0, &tv)) == 0) {
 327                 return;
 328         }
 329
 330         if (region && selection->time.start () == selection->time.end_frame ()) {
 331                 end = region->position() + region->length();
 332         } else {
 333                 end = selection->time.end_frame ();
 334         }
 335
 336         /* Try to leave the selection with the same route if possible */
 337
 338         if ((tv = selection->time.track) == 0) {
 339                 return;
 340         }
 341
 342         begin_reversible_command (_("extend selection"));
 343         selection->set (tv, region->position(), end);
 344         commit_reversible_command ();
 345 }
 346
 347 bool
 348 Editor::nudge_forward_release (GdkEventButton* ev)
 349 {
 350         if (ev->state & Keyboard::PrimaryModifier) {
 351                 nudge_forward (false, true);
 352         } else {
 353                 nudge_forward (false, false);
 354         }
 355         return false;
 356 }
 357
 358 bool
 359 Editor::nudge_backward_release (GdkEventButton* ev)
 360 {
 361         if (ev->state & Keyboard::PrimaryModifier) {
 362                 nudge_backward (false, true);
 363         } else {
 364                 nudge_backward (false, false);
 365         }
 366         return false;
 367 }
 368
 369
 370 void
 371 Editor::nudge_forward (bool next, bool force_playhead)
 372 {
 373         nframes64_t distance;
 374         nframes64_t next_distance;
 375         RegionSelection rs;
 376
 377         get_regions_for_action (rs);
 378
 379         if (!session) return;
 380
 381         if (!force_playhead && !rs.empty()) {
 382
 383                 begin_reversible_command (_("nudge regions forward"));
 384
 385                 for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
 386                         boost::shared_ptr<Region> r ((*i)->region());
 387
 388                         distance = get_nudge_distance (r->position(), next_distance);
 389
 390                         if (next) {
 391                                 distance = next_distance;
 392                         }
 393
 394                         XMLNode &before = r->playlist()->get_state();
 395                         r->set_position (r->position() + distance, this);
 396                         XMLNode &after = r->playlist()->get_state();
 397                         session->add_command (new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
 398                 }
 399
 400                 commit_reversible_command ();
 401
 402
 403         } else if (!force_playhead && !selection->markers.empty()) {
 404
 405                 bool is_start;
 406                 Location* loc = find_location_from_marker (selection->markers.front(), is_start);
 407
 408                 if (loc) {
 409
 410                         begin_reversible_command (_("nudge location forward"));
 411
 412                         XMLNode& before (loc->get_state());
 413
 414                         if (is_start) {
 415                                 distance = get_nudge_distance (loc->start(), next_distance);
 416                                 if (next) {
 417                                         distance = next_distance;
 418                                 }
 419                                 if (max_frames - distance > loc->start() + loc->length()) {
 420                                         loc->set_start (loc->start() + distance);
 421                                 } else {
 422                                         loc->set_start (max_frames - loc->length());
 423                                 }
 424                         } else {
 425                                 distance = get_nudge_distance (loc->end(), next_distance);
 426                                 if (next) {
 427                                         distance = next_distance;
 428                                 }
 429                                 if (max_frames - distance > loc->end()) {
 430                                         loc->set_end (loc->end() + distance);
 431                                 } else {
 432                                         loc->set_end (max_frames);
 433                                 }
 434                         }
 435                         XMLNode& after (loc->get_state());
 436                         session->add_command (new MementoCommand<Location>(*loc, &before, &after));
 437                         commit_reversible_command ();
 438                 }
 439
 440         } else {
 441                 distance = get_nudge_distance (playhead_cursor->current_frame, next_distance);
 442                 session->request_locate (playhead_cursor->current_frame + distance);
 443         }
 444 }
 445
 446 void
 447 Editor::nudge_backward (bool next, bool force_playhead)
 448 {
 449         nframes64_t distance;
 450         nframes64_t next_distance;
 451         RegionSelection rs;
 452
 453         get_regions_for_action (rs);
 454
 455         if (!session) return;
 456
 457         if (!force_playhead && !rs.empty()) {
 458
 459                 begin_reversible_command (_("nudge regions backward"));
 460
 461                 for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
 462                         boost::shared_ptr<Region> r ((*i)->region());
 463
 464                         distance = get_nudge_distance (r->position(), next_distance);
 465
 466                         if (next) {
 467                                 distance = next_distance;
 468                         }
 469
 470                         XMLNode &before = r->playlist()->get_state();
 471
 472                         if (r->position() > distance) {
 473                                 r->set_position (r->position() - distance, this);
 474                         } else {
 475                                 r->set_position (0, this);
 476                         }
 477                         XMLNode &after = r->playlist()->get_state();
 478                         session->add_command(new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
 479                 }
 480
 481                 commit_reversible_command ();
 482
 483         } else if (!force_playhead && !selection->markers.empty()) {
 484
 485                 bool is_start;
 486                 Location* loc = find_location_from_marker (selection->markers.front(), is_start);
 487
 488                 if (loc) {
 489
 490                         begin_reversible_command (_("nudge location forward"));
 491                         XMLNode& before (loc->get_state());
 492
 493                         if (is_start) {
 494                                 distance = get_nudge_distance (loc->start(), next_distance);
 495                                 if (next) {
 496                                         distance = next_distance;
 497                                 }
 498                                 if (distance < loc->start()) {
 499                                         loc->set_start (loc->start() - distance);
 500                                 } else {
 501                                         loc->set_start (0);
 502                                 }
 503                         } else {
 504                                 distance = get_nudge_distance (loc->end(), next_distance);
 505
 506                                 if (next) {
 507                                         distance = next_distance;
 508                                 }
 509
 510                                 if (distance < loc->end() - loc->length()) {
 511                                         loc->set_end (loc->end() - distance);
 512                                 } else {
 513                                         loc->set_end (loc->length());
 514                                 }
 515                         }
 516
 517                         XMLNode& after (loc->get_state());
 518                         session->add_command (new MementoCommand<Location>(*loc, &before, &after));
 519                 }
 520
 521         } else {
 522
 523                 distance = get_nudge_distance (playhead_cursor->current_frame, next_distance);
 524
 525                 if (playhead_cursor->current_frame > distance) {
 526                         session->request_locate (playhead_cursor->current_frame - distance);
 527                 } else {
 528                         session->goto_start();
 529                 }
 530         }
 531 }
 532
 533 void
 534 Editor::nudge_forward_capture_offset ()
 535 {
 536         nframes64_t distance;
 537         RegionSelection rs;
 538
 539         get_regions_for_action (rs);
 540
 541         if (!session) return;
 542
 543         if (!rs.empty()) {
 544
 545                 begin_reversible_command (_("nudge forward"));
 546
 547                 distance = session->worst_output_latency();
 548
 549                 for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
 550                         boost::shared_ptr<Region> r ((*i)->region());
 551
 552                         XMLNode &before = r->playlist()->get_state();
 553                         r->set_position (r->position() + distance, this);
 554                         XMLNode &after = r->playlist()->get_state();
 555                         session->add_command(new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
 556                 }
 557
 558                 commit_reversible_command ();
 559
 560         }
 561 }
 562
 563 void
 564 Editor::nudge_backward_capture_offset ()
 565 {
 566         nframes64_t distance;
 567         RegionSelection rs;
 568
 569         get_regions_for_action (rs);
 570
 571         if (!session) return;
 572
 573         if (!rs.empty()) {
 574
 575                 begin_reversible_command (_("nudge forward"));
 576
 577                 distance = session->worst_output_latency();
 578
 579                 for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
 580                         boost::shared_ptr<Region> r ((*i)->region());
 581
 582                         XMLNode &before = r->playlist()->get_state();
 583
 584                         if (r->position() > distance) {
 585                                 r->set_position (r->position() - distance, this);
 586                         } else {
 587                                 r->set_position (0, this);
 588                         }
 589                         XMLNode &after = r->playlist()->get_state();
 590                         session->add_command(new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
 591                 }
 592
 593                 commit_reversible_command ();
 594         }
 595 }
 596
 597 /* DISPLAY MOTION */
 598
 599 void
 600 Editor::move_to_start ()
 601 {
 602         session->goto_start ();
 603 }
 604
 605 void
 606 Editor::move_to_end ()
 607 {
 608
 609         session->request_locate (session->current_end_frame());
 610 }
 611
 612 void
 613 Editor::build_region_boundary_cache ()
 614 {
 615         nframes64_t pos = 0;
 616         vector<RegionPoint> interesting_points;
 617         boost::shared_ptr<Region> r;
 618         TrackViewList tracks;
 619         bool at_end = false;
 620
 621         region_boundary_cache.clear ();
 622
 623         if (session == 0) {
 624                 return;
 625         }
 626
 627         switch (snap_type) {
 628         case SnapToRegionStart:
 629                 interesting_points.push_back (Start);
 630                 break;
 631         case SnapToRegionEnd:
 632                 interesting_points.push_back (End);
 633                 break;
 634         case SnapToRegionSync:
 635                 interesting_points.push_back (SyncPoint);
 636                 break;
 637         case SnapToRegionBoundary:
 638                 interesting_points.push_back (Start);
 639                 interesting_points.push_back (End);
 640                 break;
 641         default:
 642                 fatal << string_compose (_("build_region_boundary_cache called with snap_type = %1"), snap_type) << endmsg;
 643                 /*NOTREACHED*/
 644                 return;
 645         }
 646
 647         TimeAxisView *ontrack = 0;
 648         TrackViewList tlist;
 649
 650         if (!selection->tracks.empty()) {
 651                 tlist = selection->tracks;
 652         } else {
 653                 tlist = track_views;
 654         }
 655
 656         while (pos < session->current_end_frame() && !at_end) {
 657
 658                 nframes64_t rpos;
 659                 nframes64_t lpos = max_frames;
 660
 661                 for (vector<RegionPoint>::iterator p = interesting_points.begin(); p != interesting_points.end(); ++p) {
 662
 663                         if ((r = find_next_region (pos, *p, 1, tlist, &ontrack)) == 0) {
 664                                 if (*p == interesting_points.back()) {
 665                                         at_end = true;
 666                                 }
 667                                 /* move to next point type */
 668                                 continue;
 669                         }
 670
 671                         switch (*p) {
 672                         case Start:
 673                                 rpos = r->first_frame();
 674                                 break;
 675
 676                         case End:
 677                                 rpos = r->last_frame();
 678                                 break;
 679
 680                         case SyncPoint:
 681                                 rpos = r->adjust_to_sync (r->first_frame());
 682                                 break;
 683
 684                         default:
 685                                 break;
 686                         }
 687
 688                         float speed = 1.0f;
 689                         AudioTimeAxisView *atav;
 690
 691                         if (ontrack != 0 && (atav = dynamic_cast<AudioTimeAxisView*>(ontrack)) != 0 ) {
 692                                 if (atav->get_diskstream() != 0) {
 693                                         speed = atav->get_diskstream()->speed();
 694                                 }
 695                         }
 696
 697                         rpos = track_frame_to_session_frame (rpos, speed);
 698
 699                         if (rpos < lpos) {
 700                                 lpos = rpos;
 701                         }
 702
 703                         /* prevent duplicates, but we don't use set<> because we want to be able
 704                            to sort later.
 705                         */
 706
 707                         vector<nframes64_t>::iterator ri;
 708
 709                         for (ri = region_boundary_cache.begin(); ri != region_boundary_cache.end(); ++ri) {
 710                                 if (*ri == rpos) {
 711                                         break;
 712                                 }
 713                         }
 714
 715                         if (ri == region_boundary_cache.end()) {
 716                                 region_boundary_cache.push_back (rpos);
 717                         }
 718                 }
 719
 720                 pos = lpos + 1;
 721         }
 722
 723         /* finally sort to be sure that the order is correct */
 724
 725         sort (region_boundary_cache.begin(), region_boundary_cache.end());
 726 }
 727
 728 boost::shared_ptr<Region>
 729 Editor::find_next_region (nframes64_t frame, RegionPoint point, int32_t dir, TrackViewList& tracks, TimeAxisView **ontrack)
 730 {
 731         TrackViewList::iterator i;
 732         nframes64_t closest = max_frames;
 733         boost::shared_ptr<Region> ret;
 734         nframes64_t rpos = 0;
 735
 736         float track_speed;
 737         nframes64_t track_frame;
 738         AudioTimeAxisView *atav;
 739
 740         for (i = tracks.begin(); i != tracks.end(); ++i) {
 741
 742                 nframes64_t distance;
 743                 boost::shared_ptr<Region> r;
 744
 745                 track_speed = 1.0f;
 746                 if ( (atav = dynamic_cast<AudioTimeAxisView*>(*i)) != 0 ) {
 747                         if (atav->get_diskstream()!=0)
 748                                 track_speed = atav->get_diskstream()->speed();
 749                 }
 750
 751                 track_frame = session_frame_to_track_frame(frame, track_speed);
 752
 753                 if ((r = (*i)->find_next_region (track_frame, point, dir)) == 0) {
 754                         continue;
 755                 }
 756
 757                 switch (point) {
 758                 case Start:
 759                         rpos = r->first_frame ();
 760                         break;
 761
 762                 case End:
 763                         rpos = r->last_frame ();
 764                         break;
 765
 766                 case SyncPoint:
 767                         rpos = r->adjust_to_sync (r->first_frame());
 768                         break;
 769                 }
 770
 771                 // rpos is a "track frame", converting it to "session frame"
 772                 rpos = track_frame_to_session_frame(rpos, track_speed);
 773
 774                 if (rpos > frame) {
 775                         distance = rpos - frame;
 776                 } else {
 777                         distance = frame - rpos;
 778                 }
 779
 780                 if (distance < closest) {
 781                         closest = distance;
 782                         if (ontrack != 0)
 783                                 *ontrack = (*i);
 784                         ret = r;
 785                 }
 786         }
 787
 788         return ret;
 789 }
 790
 791 nframes64_t
 792 Editor::find_next_region_boundary (nframes64_t pos, int32_t dir, const TrackViewList& tracks)
 793 {
 794         nframes64_t distance = max_frames;
 795         nframes64_t current_nearest = -1;
 796
 797         for (TrackViewList::const_iterator i = tracks.begin(); i != tracks.end(); ++i) {
 798                 nframes64_t contender;
 799                 nframes64_t d;
 800
 801                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*i);
 802
 803                 if (!rtv) {
 804                         continue;
 805                 }
 806
 807                 if ((contender = rtv->find_next_region_boundary (pos, dir)) < 0) {
 808                         continue;
 809                 }
 810
 811                 d = ::llabs (pos - contender);
 812
 813                 if (d < distance) {
 814                         current_nearest = contender;
 815                         distance = d;
 816                 }
 817         }
 818
 819         return current_nearest;
 820 }
 821
 822 void
 823 Editor::cursor_to_region_boundary (Cursor* cursor, int32_t dir)
 824 {
 825         nframes64_t pos = cursor->current_frame;
 826         nframes64_t target;
 827
 828         if (!session) {
 829                 return;
 830         }
 831
 832         // so we don't find the current region again..
 833         if (dir > 0 || pos > 0) {
 834                 pos += dir;
 835         }
 836
 837         if (!selection->tracks.empty()) {
 838
 839                 target = find_next_region_boundary (pos, dir, selection->tracks);
 840
 841         } else {
 842
 843                 target = find_next_region_boundary (pos, dir, track_views);
 844         }
 845
 846         if (target < 0) {
 847                 return;
 848         }
 849
 850
 851         if (cursor == playhead_cursor) {
 852                 session->request_locate (target);
 853         } else {
 854                 cursor->set_position (target);
 855         }
 856 }
 857
 858 void
 859 Editor::cursor_to_next_region_boundary (Cursor* cursor)
 860 {
 861         cursor_to_region_boundary (cursor, 1);
 862 }
 863
 864 void
 865 Editor::cursor_to_previous_region_boundary (Cursor* cursor)
 866 {
 867         cursor_to_region_boundary (cursor, -1);
 868 }
 869
 870 void
 871 Editor::cursor_to_region_point (Cursor* cursor, RegionPoint point, int32_t dir)
 872 {
 873         boost::shared_ptr<Region> r;
 874         nframes64_t pos = cursor->current_frame;
 875
 876         if (!session) {
 877                 return;
 878         }
 879
 880         TimeAxisView *ontrack = 0;
 881
 882         // so we don't find the current region again..
 883         if (dir>0 || pos>0)
 884                 pos+=dir;
 885
 886         if (!selection->tracks.empty()) {
 887
 888                 r = find_next_region (pos, point, dir, selection->tracks, &ontrack);
 889
 890         } else if (clicked_trackview) {
 891
 892                 TrackViewList t;
 893                 t.push_back (clicked_trackview);
 894
 895                 r = find_next_region (pos, point, dir, t, &ontrack);
 896
 897         } else {
 898
 899                 r = find_next_region (pos, point, dir, track_views, &ontrack);
 900         }
 901
 902         if (r == 0) {
 903                 return;
 904         }
 905
 906         switch (point){
 907         case Start:
 908                 pos = r->first_frame ();
 909                 break;
 910
 911         case End:
 912                 pos = r->last_frame ();
 913                 break;
 914
 915         case SyncPoint:
 916                 pos = r->adjust_to_sync (r->first_frame());
 917                 break;
 918         }
 919
 920         float speed = 1.0f;
 921         AudioTimeAxisView *atav;
 922
 923         if ( ontrack != 0 && (atav = dynamic_cast<AudioTimeAxisView*>(ontrack)) != 0 ) {
 924                 if (atav->get_diskstream() != 0) {
 925                         speed = atav->get_diskstream()->speed();
 926                 }
 927         }
 928
 929         pos = track_frame_to_session_frame(pos, speed);
 930
 931         if (cursor == playhead_cursor) {
 932                 session->request_locate (pos);
 933         } else {
 934                 cursor->set_position (pos);
 935         }
 936 }
 937
 938 void
 939 Editor::cursor_to_next_region_point (Cursor* cursor, RegionPoint point)
 940 {
 941         cursor_to_region_point (cursor, point, 1);
 942 }
 943
 944 void
 945 Editor::cursor_to_previous_region_point (Cursor* cursor, RegionPoint point)
 946 {
 947         cursor_to_region_point (cursor, point, -1);
 948 }
 949
 950 void
 951 Editor::cursor_to_selection_start (Cursor *cursor)
 952 {
 953         nframes64_t pos = 0;
 954         RegionSelection rs;
 955
 956         get_regions_for_action (rs);
 957
 958         switch (mouse_mode) {
 959         case MouseObject:
 960                 if (!rs.empty()) {
 961                         pos = rs.start();
 962                 }
 963                 break;
 964
 965         case MouseRange:
 966                 if (!selection->time.empty()) {
 967                         pos = selection->time.start ();
 968                 }
 969                 break;
 970
 971         default:
 972                 return;
 973         }
 974
 975         if (cursor == playhead_cursor) {
 976                 session->request_locate (pos);
 977         } else {
 978                 cursor->set_position (pos);
 979         }
 980 }
 981
 982 void
 983 Editor::cursor_to_selection_end (Cursor *cursor)
 984 {
 985         nframes64_t pos = 0;
 986         RegionSelection rs;
 987
 988         get_regions_for_action (rs);
 989
 990         switch (mouse_mode) {
 991         case MouseObject:
 992                 if (!rs.empty()) {
 993                         pos = rs.end_frame();
 994                 }
 995                 break;
 996
 997         case MouseRange:
 998                 if (!selection->time.empty()) {
 999                         pos = selection->time.end_frame ();
1000                 }
1001                 break;
1002
1003         default:
1004                 return;
1005         }
1006
1007         if (cursor == playhead_cursor) {
1008                 session->request_locate (pos);
1009         } else {
1010                 cursor->set_position (pos);
1011         }
1012 }
1013
1014 void
1015 Editor::selected_marker_to_region_boundary (int32_t dir)
1016 {
1017         nframes64_t target;
1018         Location* loc;
1019         bool ignored;
1020
1021         if (!session) {
1022                 return;
1023         }
1024
1025         if (selection->markers.empty()) {
1026                 nframes64_t mouse;
1027                 bool ignored;
1028
1029                 if (!mouse_frame (mouse, ignored)) {
1030                         return;
1031                 }
1032
1033                 add_location_mark (mouse);
1034         }
1035
1036         if ((loc = find_location_from_marker (selection->markers.front(), ignored)) == 0) {
1037                 return;
1038         }
1039
1040         nframes64_t pos = loc->start();
1041
1042         // so we don't find the current region again..
1043         if (dir > 0 || pos > 0) {
1044                 pos += dir;
1045         }
1046
1047         if (!selection->tracks.empty()) {
1048
1049                 target = find_next_region_boundary (pos, dir, selection->tracks);
1050
1051         } else {
1052
1053                 target = find_next_region_boundary (pos, dir, track_views);
1054         }
1055
1056         if (target < 0) {
1057                 return;
1058         }
1059
1060         loc->move_to (target);
1061 }
1062
1063 void
1064 Editor::selected_marker_to_next_region_boundary ()
1065 {
1066         selected_marker_to_region_boundary (1);
1067 }
1068
1069 void
1070 Editor::selected_marker_to_previous_region_boundary ()
1071 {
1072         selected_marker_to_region_boundary (-1);
1073 }
1074
1075 void
1076 Editor::selected_marker_to_region_point (RegionPoint point, int32_t dir)
1077 {
1078         boost::shared_ptr<Region> r;
1079         nframes64_t pos;
1080         Location* loc;
1081         bool ignored;
1082
1083         if (!session || selection->markers.empty()) {
1084                 return;
1085         }
1086
1087         if ((loc = find_location_from_marker (selection->markers.front(), ignored)) == 0) {
1088                 return;
1089         }
1090
1091         TimeAxisView *ontrack = 0;
1092
1093         pos = loc->start();
1094
1095         // so we don't find the current region again..
1096         if (dir>0 || pos>0)
1097                 pos+=dir;
1098
1099         if (!selection->tracks.empty()) {
1100
1101                 r = find_next_region (pos, point, dir, selection->tracks, &ontrack);
1102
1103         } else if (clicked_trackview) {
1104
1105                 TrackViewList t;
1106                 t.push_back (clicked_trackview);
1107
1108                 r = find_next_region (pos, point, dir, t, &ontrack);
1109
1110         } else {
1111
1112                 r = find_next_region (pos, point, dir, track_views, &ontrack);
1113         }
1114
1115         if (r == 0) {
1116                 return;
1117         }
1118
1119         switch (point){
1120         case Start:
1121                 pos = r->first_frame ();
1122                 break;
1123
1124         case End:
1125                 pos = r->last_frame ();
1126                 break;
1127
1128         case SyncPoint:
1129                 pos = r->adjust_to_sync (r->first_frame());
1130                 break;
1131         }
1132
1133         float speed = 1.0f;
1134         AudioTimeAxisView *atav;
1135
1136         if ( ontrack != 0 && (atav = dynamic_cast<AudioTimeAxisView*>(ontrack)) != 0 ) {
1137                 if (atav->get_diskstream() != 0) {
1138                         speed = atav->get_diskstream()->speed();
1139                 }
1140         }
1141
1142         pos = track_frame_to_session_frame(pos, speed);
1143
1144         loc->move_to (pos);
1145 }
1146
1147 void
1148 Editor::selected_marker_to_next_region_point (RegionPoint point)
1149 {
1150         selected_marker_to_region_point (point, 1);
1151 }
1152
1153 void
1154 Editor::selected_marker_to_previous_region_point (RegionPoint point)
1155 {
1156         selected_marker_to_region_point (point, -1);
1157 }
1158
1159 void
1160 Editor::selected_marker_to_selection_start ()
1161 {
1162         nframes64_t pos = 0;
1163         Location* loc;
1164         bool ignored;
1165
1166         if (!session || selection->markers.empty()) {
1167                 return;
1168         }
1169
1170         if ((loc = find_location_from_marker (selection->markers.front(), ignored)) == 0) {
1171                 return;
1172         }
1173
1174         RegionSelection rs;
1175
1176         get_regions_for_action (rs);
1177
1178         switch (mouse_mode) {
1179         case MouseObject:
1180                 if (!rs.empty()) {
1181                         pos = rs.start();
1182                 }
1183                 break;
1184
1185         case MouseRange:
1186                 if (!selection->time.empty()) {
1187                         pos = selection->time.start ();
1188                 }
1189                 break;
1190
1191         default:
1192                 return;
1193         }
1194
1195         loc->move_to (pos);
1196 }
1197
1198 void
1199 Editor::selected_marker_to_selection_end ()
1200 {
1201         nframes64_t pos = 0;
1202         Location* loc;
1203         bool ignored;
1204
1205         if (!session || selection->markers.empty()) {
1206                 return;
1207         }
1208
1209         if ((loc = find_location_from_marker (selection->markers.front(), ignored)) == 0) {
1210                 return;
1211         }
1212
1213         RegionSelection rs;
1214
1215         get_regions_for_action (rs);
1216
1217         switch (mouse_mode) {
1218         case MouseObject:
1219                 if (!rs.empty()) {
1220                         pos = rs.end_frame();
1221                 }
1222                 break;
1223
1224         case MouseRange:
1225                 if (!selection->time.empty()) {
1226                         pos = selection->time.end_frame ();
1227                 }
1228                 break;
1229
1230         default:
1231                 return;
1232         }
1233
1234         loc->move_to (pos);
1235 }
1236
1237 void
1238 Editor::scroll_playhead (bool forward)
1239 {
1240         nframes64_t pos = playhead_cursor->current_frame;
1241         nframes64_t delta = (nframes64_t) floor (current_page_frames() / 0.8);
1242
1243         if (forward) {
1244                 if (pos == max_frames) {
1245                         return;
1246                 }
1247
1248                 if (pos < max_frames - delta) {
1249                         pos += delta ;
1250                 } else {
1251                         pos = max_frames;
1252                 }
1253
1254         } else {
1255
1256                 if (pos == 0) {
1257                         return;
1258                 }
1259
1260                 if (pos > delta) {
1261                         pos -= delta;
1262                 } else {
1263                         pos = 0;
1264                 }
1265         }
1266
1267         session->request_locate (pos);
1268 }
1269
1270 void
1271 Editor::playhead_backward ()
1272 {
1273         nframes64_t pos;
1274         nframes64_t cnt;
1275         float prefix;
1276         bool was_floating;
1277
1278         if (get_prefix (prefix, was_floating)) {
1279                 cnt = 1;
1280         } else {
1281                 if (was_floating) {
1282                         cnt = (nframes64_t) floor (prefix * session->frame_rate ());
1283                 } else {
1284                         cnt = (nframes64_t) prefix;
1285                 }
1286         }
1287
1288         pos = playhead_cursor->current_frame;
1289
1290         if ((nframes64_t) pos < cnt) {
1291                 pos = 0;
1292         } else {
1293                 pos -= cnt;
1294         }
1295
1296         /* XXX this is completely insane. with the current buffering
1297            design, we'll force a complete track buffer flush and
1298            reload, just to move 1 sample !!!
1299         */
1300
1301         session->request_locate (pos);
1302 }
1303
1304 void
1305 Editor::playhead_forward ()
1306 {
1307         nframes64_t pos;
1308         nframes64_t cnt;
1309         bool was_floating;
1310         float prefix;
1311
1312         if (get_prefix (prefix, was_floating)) {
1313                 cnt = 1;
1314         } else {
1315                 if (was_floating) {
1316                         cnt = (nframes64_t) floor (prefix * session->frame_rate ());
1317                 } else {
1318                         cnt = (nframes64_t) floor (prefix);
1319                 }
1320         }
1321
1322         pos = playhead_cursor->current_frame;
1323
1324         /* XXX this is completely insane. with the current buffering
1325            design, we'll force a complete track buffer flush and
1326            reload, just to move 1 sample !!!
1327         */
1328
1329         session->request_locate (pos+cnt);
1330 }
1331
1332 void
1333 Editor::cursor_align (bool playhead_to_edit)
1334 {
1335         if (!session) {
1336                 return;
1337         }
1338
1339         if (playhead_to_edit) {
1340
1341                 if (selection->markers.empty()) {
1342                         return;
1343                 }
1344
1345                 session->request_locate (selection->markers.front()->position(), session->transport_rolling());
1346
1347         } else {
1348
1349                 /* move selected markers to playhead */
1350
1351                 for (MarkerSelection::iterator i = selection->markers.begin(); i != selection->markers.end(); ++i) {
1352                         bool ignored;
1353
1354                         Location* loc = find_location_from_marker (*i, ignored);
1355
1356                         if (loc->is_mark()) {
1357                                 loc->set_start (playhead_cursor->current_frame);
1358                         } else {
1359                                 loc->set (playhead_cursor->current_frame,
1360                                           playhead_cursor->current_frame + loc->length());
1361                         }
1362                 }
1363         }
1364 }
1365
1366 void
1367 Editor::edit_cursor_backward ()
1368 {
1369         nframes64_t pos;
1370         nframes64_t cnt;
1371         float prefix;
1372         bool was_floating;
1373
1374         if (get_prefix (prefix, was_floating)) {
1375                 cnt = 1;
1376         } else {
1377                 if (was_floating) {
1378                         cnt = (nframes64_t) floor (prefix * session->frame_rate ());
1379                 } else {
1380                         cnt = (nframes64_t) prefix;
1381                 }
1382         }
1383
1384         if ((pos = get_preferred_edit_position()) < 0) {
1385                 return;
1386         }
1387
1388         if (pos < cnt) {
1389                 pos = 0;
1390         } else {
1391                 pos -= cnt;
1392         }
1393
1394         // EDIT CURSOR edit_cursor->set_position (pos);
1395 }
1396
1397 void
1398 Editor::edit_cursor_forward ()
1399 {
1400         //nframes64_t pos;
1401         nframes64_t cnt;
1402         bool was_floating;
1403         float prefix;
1404
1405         if (get_prefix (prefix, was_floating)) {
1406                 cnt = 1;
1407         } else {
1408                 if (was_floating) {
1409                         cnt = (nframes64_t) floor (prefix * session->frame_rate ());
1410                 } else {
1411                         cnt = (nframes64_t) floor (prefix);
1412                 }
1413         }
1414
1415         // pos = edit_cursor->current_frame;
1416         // EDIT CURSOR edit_cursor->set_position (pos+cnt);
1417 }
1418
1419 void
1420 Editor::goto_frame ()
1421 {
1422         float prefix;
1423         bool was_floating;
1424         nframes64_t frame;
1425
1426         if (get_prefix (prefix, was_floating)) {
1427                 return;
1428         }
1429
1430         if (was_floating) {
1431                 frame = (nframes64_t) floor (prefix * session->frame_rate());
1432         } else {
1433                 frame = (nframes64_t) floor (prefix);
1434         }
1435
1436         session->request_locate (frame);
1437 }
1438
1439 void
1440 Editor::scroll_backward (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 (leftmost_frame < cnt) {
1459                 frame = 0;
1460         } else {
1461                 frame = leftmost_frame - cnt;
1462         }
1463
1464         reset_x_origin (frame);
1465 }
1466
1467 void
1468 Editor::scroll_forward (float pages)
1469 {
1470         nframes64_t frame;
1471         nframes64_t one_page = (nframes64_t) rint (canvas_width * frames_per_unit);
1472         bool was_floating;
1473         float prefix;
1474         nframes64_t cnt;
1475
1476         if (get_prefix (prefix, was_floating)) {
1477                 cnt = (nframes64_t) floor (pages * one_page);
1478         } else {
1479                 if (was_floating) {
1480                         cnt = (nframes64_t) floor (prefix * session->frame_rate());
1481                 } else {
1482                         cnt = (nframes64_t) floor (prefix * one_page);
1483                 }
1484         }
1485
1486         if (max_frames - cnt < leftmost_frame) {
1487                 frame = max_frames - cnt;
1488         } else {
1489                 frame = leftmost_frame + cnt;
1490         }
1491
1492         reset_x_origin (frame);
1493 }
1494
1495 void
1496 Editor::scroll_tracks_down ()
1497 {
1498         float prefix;
1499         bool was_floating;
1500         int cnt;
1501
1502         if (get_prefix (prefix, was_floating)) {
1503                 cnt = 1;
1504         } else {
1505                 cnt = (int) floor (prefix);
1506         }
1507
1508         double vert_value = vertical_adjustment.get_value() + (cnt *
1509                 vertical_adjustment.get_page_size());
1510         if (vert_value > vertical_adjustment.get_upper() - canvas_height) {
1511                 vert_value = vertical_adjustment.get_upper() - canvas_height;
1512         }
1513         vertical_adjustment.set_value (vert_value);
1514 }
1515
1516 void
1517 Editor::scroll_tracks_up ()
1518 {
1519         float prefix;
1520         bool was_floating;
1521         int cnt;
1522
1523         if (get_prefix (prefix, was_floating)) {
1524                 cnt = 1;
1525         } else {
1526                 cnt = (int) floor (prefix);
1527         }
1528
1529         vertical_adjustment.set_value (vertical_adjustment.get_value() - (cnt * vertical_adjustment.get_page_size()));
1530 }
1531
1532 void
1533 Editor::scroll_tracks_down_line ()
1534 {
1535
1536         Gtk::Adjustment* adj = edit_vscrollbar.get_adjustment();
1537         double vert_value = adj->get_value() + 20;
1538
1539         if (vert_value>adj->get_upper() - canvas_height) {
1540                 vert_value = adj->get_upper() - canvas_height;
1541         }
1542         adj->set_value (vert_value);
1543 }
1544
1545 void
1546 Editor::scroll_tracks_up_line ()
1547 {
1548         Gtk::Adjustment* adj = edit_vscrollbar.get_adjustment();
1549         adj->set_value (adj->get_value() - 20);
1550 }
1551
1552 /* ZOOM */
1553
1554 void
1555 Editor::temporal_zoom_step (bool coarser)
1556 {
1557         ENSURE_GUI_THREAD (bind (mem_fun (*this, &Editor::temporal_zoom_step), coarser));
1558
1559         double nfpu;
1560
1561         nfpu = frames_per_unit;
1562
1563         if (coarser) {
1564                 nfpu *= 1.61803399;
1565         } else {
1566                 nfpu = max(1.0,(nfpu/1.61803399));
1567         }
1568
1569         temporal_zoom (nfpu);
1570 }
1571
1572 void
1573 Editor::temporal_zoom (gdouble fpu)
1574 {
1575         if (!session) return;
1576
1577         nframes64_t current_page = current_page_frames();
1578         nframes64_t current_leftmost = leftmost_frame;
1579         nframes64_t current_rightmost;
1580         nframes64_t current_center;
1581         nframes64_t new_page_size;
1582         nframes64_t half_page_size;
1583         nframes64_t leftmost_after_zoom = 0;
1584         nframes64_t where;
1585         bool in_track_canvas;
1586         double nfpu;
1587         double l;
1588
1589         /* XXX this limit is also in ::set_frames_per_unit() */
1590
1591         if (frames_per_unit <= 2.0 && fpu <= frames_per_unit) {
1592                 return;
1593         }
1594
1595         nfpu = fpu;
1596
1597         new_page_size = (nframes64_t) floor (canvas_width * nfpu);
1598         half_page_size = new_page_size / 2;
1599
1600         switch (zoom_focus) {
1601         case ZoomFocusLeft:
1602                 leftmost_after_zoom = current_leftmost;
1603                 break;
1604
1605         case ZoomFocusRight:
1606                 current_rightmost = leftmost_frame + current_page;
1607                 if (current_rightmost < new_page_size) {
1608                         leftmost_after_zoom = 0;
1609                 } else {
1610                         leftmost_after_zoom = current_rightmost - new_page_size;
1611                 }
1612                 break;
1613
1614         case ZoomFocusCenter:
1615                 current_center = current_leftmost + (current_page/2);
1616                 if (current_center < half_page_size) {
1617                         leftmost_after_zoom = 0;
1618                 } else {
1619                         leftmost_after_zoom = current_center - half_page_size;
1620                 }
1621                 break;
1622
1623         case ZoomFocusPlayhead:
1624                 /* try to keep the playhead in the same place */
1625
1626                 where = playhead_cursor->current_frame;
1627
1628                 l = - ((new_page_size * ((where - current_leftmost)/(double)current_page)) - where);
1629
1630                 if (l < 0) {
1631                         leftmost_after_zoom = 0;
1632                 } else if (l > max_frames) {
1633                         leftmost_after_zoom = max_frames - new_page_size;
1634                 } else {
1635                         leftmost_after_zoom = (nframes64_t) l;
1636                 }
1637                 break;
1638
1639         case ZoomFocusMouse:
1640                 /* try to keep the mouse over the same point in the display */
1641
1642                 if (!mouse_frame (where, in_track_canvas)) {
1643                         /* use playhead instead */
1644                         where = playhead_cursor->current_frame;
1645
1646                         if (where < half_page_size) {
1647                                 leftmost_after_zoom = 0;
1648                         } else {
1649                                 leftmost_after_zoom = where - half_page_size;
1650                         }
1651
1652                 } else {
1653
1654                         l = - ((new_page_size * ((where - current_leftmost)/(double)current_page)) - where);
1655
1656                         if (l < 0) {
1657                                 leftmost_after_zoom = 0;
1658                         } else if (l > max_frames) {
1659                                 leftmost_after_zoom = max_frames - new_page_size;
1660                         } else {
1661                                 leftmost_after_zoom = (nframes64_t) l;
1662                         }
1663                 }
1664
1665                 break;
1666
1667         case ZoomFocusEdit:
1668                 /* try to keep the edit point in the same place */
1669                 where = get_preferred_edit_position ();
1670
1671                 if (where > 0) {
1672
1673                         double l = - ((new_page_size * ((where - current_leftmost)/(double)current_page)) - where);
1674
1675                         if (l < 0) {
1676                                 leftmost_after_zoom = 0;
1677                         } else if (l > max_frames) {
1678                                 leftmost_after_zoom = max_frames - new_page_size;
1679                         } else {
1680                                 leftmost_after_zoom = (nframes64_t) l;
1681                         }
1682
1683                 } else {
1684                         /* edit point not defined */
1685                         return;
1686                 }
1687                 break;
1688
1689         }
1690
1691         // leftmost_after_zoom = min (leftmost_after_zoom, session->current_end_frame());
1692
1693         reposition_and_zoom (leftmost_after_zoom, nfpu);
1694 }
1695
1696 void
1697 Editor::temporal_zoom_region (bool both_axes)
1698 {
1699
1700         nframes64_t start = max_frames;
1701         nframes64_t end = 0;
1702         RegionSelection rs;
1703         set<TimeAxisView*> tracks;
1704         double top_y_position = DBL_MAX;
1705
1706         get_regions_for_action (rs);
1707
1708         if (rs.empty()) {
1709                 return;
1710         }
1711
1712         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
1713
1714                 if ((*i)->region()->position() < start) {
1715                         start = (*i)->region()->position();
1716                 }
1717
1718                 if ((*i)->region()->last_frame() + 1 > end) {
1719                         end = (*i)->region()->last_frame() + 1;
1720                 }
1721
1722                 tracks.insert (&((*i)->get_time_axis_view()));
1723
1724                 if ((*i)->get_time_axis_view().y_position < top_y_position) {
1725                         top_y_position = (*i)->get_time_axis_view().y_position;
1726                 }
1727         }
1728
1729         /* now comes an "interesting" hack ... make sure we leave a little space
1730            at each end of the editor so that the zoom doesn't fit the region
1731            precisely to the screen.
1732         */
1733
1734         GdkScreen* screen = gdk_screen_get_default ();
1735         gint pixwidth = gdk_screen_get_width (screen);
1736         gint mmwidth = gdk_screen_get_width_mm (screen);
1737         double pix_per_mm = (double) pixwidth/ (double) mmwidth;
1738         double one_centimeter_in_pixels = pix_per_mm * 10.0;
1739
1740         if ((start == 0 && end == 0) || end < start) {
1741                 return;
1742         }
1743
1744         nframes64_t range = end - start;
1745         double new_fpu = (double)range / (double)canvas_width;
1746         nframes64_t extra_samples = (nframes64_t) floor (one_centimeter_in_pixels * new_fpu);
1747
1748         if (start > extra_samples) {
1749                 start -= extra_samples;
1750         } else {
1751                 start = 0;
1752         }
1753
1754         if (max_frames - extra_samples > end) {
1755                 end += extra_samples;
1756         } else {
1757                 end = max_frames;
1758         }
1759
1760         if (both_axes) {
1761                 /* save visual state with track states included, and prevent
1762                    set_frames_per_unit() from doing it again.
1763                 */
1764                 undo_visual_stack.push_back (current_visual_state(true));
1765                 no_save_visual = true;
1766         }
1767
1768         temporal_zoom_by_frame (start, end, "zoom to region");
1769
1770         if (both_axes) {
1771                 uint32_t per_track_height = (uint32_t) floor ((canvas_height - 10.0) / tracks.size());
1772
1773                 /* set visible track heights appropriately */
1774
1775                 for (set<TimeAxisView*>::iterator t = tracks.begin(); t != tracks.end(); ++t) {
1776                         (*t)->set_height (per_track_height);
1777                 }
1778
1779                 /* hide irrelevant tracks */
1780
1781                 no_route_list_redisplay = true;
1782
1783                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1784                         if (find (tracks.begin(), tracks.end(), (*i)) == tracks.end()) {
1785                                 hide_track_in_display (**i, true);
1786                         }
1787                 }
1788
1789                 no_route_list_redisplay = false;
1790                 redisplay_route_list ();
1791
1792                 vertical_adjustment.set_value (std::max (top_y_position - 5.0, 0.0));
1793                 no_save_visual = false;
1794         }
1795
1796         zoomed_to_region = true;
1797         redo_visual_stack.push_back (current_visual_state());
1798 }
1799
1800 void
1801 Editor::toggle_zoom_region (bool both_axes)
1802 {
1803         if (zoomed_to_region) {
1804                 swap_visual_state ();
1805         } else {
1806                 temporal_zoom_region (both_axes);
1807         }
1808 }
1809
1810 void
1811 Editor::temporal_zoom_selection ()
1812 {
1813         if (!selection) return;
1814
1815         if (selection->time.empty()) {
1816                 return;
1817         }
1818
1819         nframes64_t start = selection->time[clicked_selection].start;
1820         nframes64_t end = selection->time[clicked_selection].end;
1821
1822         temporal_zoom_by_frame (start, end, "zoom to selection");
1823 }
1824
1825 void
1826 Editor::temporal_zoom_session ()
1827 {
1828         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::temporal_zoom_session));
1829
1830         if (session) {
1831                 last_canvas_frame = ((session->current_end_frame() - session->current_start_frame()) + (current_page_frames() / 24));
1832                 temporal_zoom_by_frame (session->current_start_frame(), session->current_end_frame(), "zoom to session");
1833         }
1834 }
1835
1836 void
1837 Editor::temporal_zoom_by_frame (nframes64_t start, nframes64_t end, const string & op)
1838 {
1839         if (!session) return;
1840
1841         if ((start == 0 && end == 0) || end < start) {
1842                 return;
1843         }
1844
1845         nframes64_t range = end - start;
1846
1847         double new_fpu = (double)range / (double)canvas_width;
1848
1849         nframes64_t new_page = (nframes64_t) floor (canvas_width * new_fpu);
1850         nframes64_t middle = (nframes64_t) floor( (double)start + ((double)range / 2.0f ));
1851         nframes64_t new_leftmost = (nframes64_t) floor( (double)middle - ((double)new_page/2.0f));
1852
1853         if (new_leftmost > middle) {
1854                 new_leftmost = 0;
1855         }
1856
1857         reposition_and_zoom (new_leftmost, new_fpu);
1858 }
1859
1860 void
1861 Editor::temporal_zoom_to_frame (bool coarser, nframes64_t frame)
1862 {
1863         if (!session) return;
1864
1865         double range_before = frame - leftmost_frame;
1866         double new_fpu;
1867
1868         new_fpu = frames_per_unit;
1869
1870         if (coarser) {
1871                 new_fpu *= 1.61803399;
1872                 range_before *= 1.61803399;
1873         } else {
1874                 new_fpu = max(1.0,(new_fpu/1.61803399));
1875                 range_before /= 1.61803399;
1876         }
1877
1878         if (new_fpu == frames_per_unit) return;
1879
1880         nframes64_t new_leftmost = frame - (nframes64_t)range_before;
1881
1882         if (new_leftmost > frame) new_leftmost = 0;
1883
1884 //      begin_reversible_command (_("zoom to frame"));
1885 //      session->add_undo (bind (mem_fun(*this, &Editor::reposition_and_zoom), leftmost_frame, frames_per_unit));
1886 //      session->add_redo (bind (mem_fun(*this, &Editor::reposition_and_zoom), new_leftmost, new_fpu));
1887 //      commit_reversible_command ();
1888
1889         reposition_and_zoom (new_leftmost, new_fpu);
1890 }
1891
1892
1893 bool
1894 Editor::choose_new_marker_name(string &name) {
1895
1896         if (!Config->get_name_new_markers()) {
1897                 /* don't prompt user for a new name */
1898                 return true;
1899         }
1900
1901         ArdourPrompter dialog (true);
1902
1903         dialog.set_prompt (_("New Name:"));
1904
1905         WindowTitle title(Glib::get_application_name());
1906         title += _("Name New Location Marker");
1907
1908         dialog.set_title(title.get_string());
1909
1910         dialog.set_name ("MarkNameWindow");
1911         dialog.set_size_request (250, -1);
1912         dialog.set_position (Gtk::WIN_POS_MOUSE);
1913
1914         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
1915         dialog.set_initial_text (name);
1916
1917         dialog.show ();
1918
1919         switch (dialog.run ()) {
1920         case RESPONSE_ACCEPT:
1921                 break;
1922         default:
1923                 return false;
1924         }
1925
1926         dialog.get_result(name);
1927         return true;
1928
1929 }
1930
1931
1932 void
1933 Editor::add_location_from_selection ()
1934 {
1935         string rangename;
1936
1937         if (selection->time.empty()) {
1938                 return;
1939         }
1940
1941         if (session == 0 || clicked_trackview == 0) {
1942                 return;
1943         }
1944
1945         nframes64_t start = selection->time[clicked_selection].start;
1946         nframes64_t end = selection->time[clicked_selection].end;
1947
1948         session->locations()->next_available_name(rangename,"selection");
1949         Location *location = new Location (start, end, rangename, Location::IsRangeMarker);
1950
1951         session->begin_reversible_command (_("add marker"));
1952         XMLNode &before = session->locations()->get_state();
1953         session->locations()->add (location, true);
1954         XMLNode &after = session->locations()->get_state();
1955         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
1956         session->commit_reversible_command ();
1957 }
1958
1959 void
1960 Editor::add_location_mark (nframes64_t where)
1961 {
1962         string markername;
1963
1964         select_new_marker = true;
1965
1966         session->locations()->next_available_name(markername,"mark");
1967         if (!choose_new_marker_name(markername)) {
1968                 return;
1969         }
1970         Location *location = new Location (where, where, markername, Location::IsMark);
1971         session->begin_reversible_command (_("add marker"));
1972         XMLNode &before = session->locations()->get_state();
1973         session->locations()->add (location, true);
1974         XMLNode &after = session->locations()->get_state();
1975         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
1976         session->commit_reversible_command ();
1977 }
1978
1979 void
1980 Editor::add_location_from_playhead_cursor ()
1981 {
1982         add_location_mark (session->audible_frame());
1983 }
1984
1985 void
1986 Editor::add_location_from_audio_region ()
1987 {
1988         RegionSelection rs;
1989
1990         get_regions_for_action (rs);
1991
1992         if (rs.empty()) {
1993                 return;
1994         }
1995
1996         RegionView* rv = *(rs.begin());
1997         boost::shared_ptr<Region> region = rv->region();
1998
1999         Location *location = new Location (region->position(), region->last_frame(), region->name(), Location::IsRangeMarker);
2000         session->begin_reversible_command (_("add marker"));
2001         XMLNode &before = session->locations()->get_state();
2002         session->locations()->add (location, true);
2003         XMLNode &after = session->locations()->get_state();
2004         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
2005         session->commit_reversible_command ();
2006 }
2007
2008 void
2009 Editor::amplitude_zoom_step (bool in)
2010 {
2011         gdouble zoom = 1.0;
2012
2013         if (in) {
2014                 zoom *= 2.0;
2015         } else {
2016                 if (zoom > 2.0) {
2017                         zoom /= 2.0;
2018                 } else {
2019                         zoom = 1.0;
2020                 }
2021         }
2022
2023 #ifdef FIX_FOR_CANVAS
2024         /* XXX DO SOMETHING */
2025 #endif
2026 }
2027
2028
2029 /* DELETION */
2030
2031
2032 void
2033 Editor::delete_sample_forward ()
2034 {
2035 }
2036
2037 void
2038 Editor::delete_sample_backward ()
2039 {
2040 }
2041
2042 void
2043 Editor::delete_screen ()
2044 {
2045 }
2046
2047 /* SEARCH */
2048
2049 void
2050 Editor::search_backwards ()
2051 {
2052         /* what ? */
2053 }
2054
2055 void
2056 Editor::search_forwards ()
2057 {
2058         /* what ? */
2059 }
2060
2061 /* MARKS */
2062
2063 void
2064 Editor::jump_forward_to_mark ()
2065 {
2066         if (!session) {
2067                 return;
2068         }
2069
2070         Location *location = session->locations()->first_location_after (playhead_cursor->current_frame);
2071
2072         if (location) {
2073                 session->request_locate (location->start(), session->transport_rolling());
2074         } else {
2075                 session->request_locate (session->current_end_frame());
2076         }
2077 }
2078
2079 void
2080 Editor::jump_backward_to_mark ()
2081 {
2082         if (!session) {
2083                 return;
2084         }
2085
2086         Location *location = session->locations()->first_location_before (playhead_cursor->current_frame);
2087
2088         if (location) {
2089                 session->request_locate (location->start(), session->transport_rolling());
2090         } else {
2091                 session->goto_start ();
2092         }
2093 }
2094
2095 void
2096 Editor::set_mark ()
2097 {
2098         nframes64_t pos;
2099         float prefix;
2100         bool was_floating;
2101         string markername;
2102
2103         if (get_prefix (prefix, was_floating)) {
2104                 pos = session->audible_frame ();
2105         } else {
2106                 if (was_floating) {
2107                         pos = (nframes64_t) floor (prefix * session->frame_rate ());
2108                 } else {
2109                         pos = (nframes64_t) floor (prefix);
2110                 }
2111         }
2112
2113         session->locations()->next_available_name(markername,"mark");
2114         if (!choose_new_marker_name(markername)) {
2115                 return;
2116         }
2117         session->locations()->add (new Location (pos, 0, markername, Location::IsMark), true);
2118 }
2119
2120 void
2121 Editor::clear_markers ()
2122 {
2123         if (session) {
2124                 session->begin_reversible_command (_("clear markers"));
2125                 XMLNode &before = session->locations()->get_state();
2126                 session->locations()->clear_markers ();
2127                 XMLNode &after = session->locations()->get_state();
2128                 session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
2129                 session->commit_reversible_command ();
2130         }
2131 }
2132
2133 void
2134 Editor::clear_ranges ()
2135 {
2136         if (session) {
2137                 session->begin_reversible_command (_("clear ranges"));
2138                 XMLNode &before = session->locations()->get_state();
2139
2140                 Location * looploc = session->locations()->auto_loop_location();
2141                 Location * punchloc = session->locations()->auto_punch_location();
2142
2143                 session->locations()->clear_ranges ();
2144                 // re-add these
2145                 if (looploc) session->locations()->add (looploc);
2146                 if (punchloc) session->locations()->add (punchloc);
2147
2148                 XMLNode &after = session->locations()->get_state();
2149                 session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
2150                 session->commit_reversible_command ();
2151         }
2152 }
2153
2154 void
2155 Editor::clear_locations ()
2156 {
2157         session->begin_reversible_command (_("clear locations"));
2158         XMLNode &before = session->locations()->get_state();
2159         session->locations()->clear ();
2160         XMLNode &after = session->locations()->get_state();
2161         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
2162         session->commit_reversible_command ();
2163         session->locations()->clear ();
2164 }
2165
2166 void
2167 Editor::unhide_markers ()
2168 {
2169         for (LocationMarkerMap::iterator i = location_markers.begin(); i != location_markers.end(); ++i) {
2170                 Location *l = (*i).first;
2171                 if (l->is_hidden() && l->is_mark()) {
2172                         l->set_hidden(false, this);
2173                 }
2174         }
2175 }
2176
2177 void
2178 Editor::unhide_ranges ()
2179 {
2180         for (LocationMarkerMap::iterator i = location_markers.begin(); i != location_markers.end(); ++i) {
2181                 Location *l = (*i).first;
2182                 if (l->is_hidden() && l->is_range_marker()) {
2183                         l->set_hidden(false, this);
2184                 }
2185         }
2186 }
2187
2188 /* INSERT/REPLACE */
2189
2190 void
2191 Editor::insert_region_list_drag (boost::shared_ptr<AudioRegion> region, int x, int y)
2192 {
2193         double wx, wy;
2194         double cx, cy;
2195         TimeAxisView *tv;
2196         nframes64_t where;
2197         AudioTimeAxisView *atv = 0;
2198         boost::shared_ptr<Playlist> playlist;
2199
2200         track_canvas->window_to_world (x, y, wx, wy);
2201         wx += horizontal_adjustment.get_value();
2202         wy += vertical_adjustment.get_value();
2203
2204         GdkEvent event;
2205         event.type = GDK_BUTTON_RELEASE;
2206         event.button.x = wx;
2207         event.button.y = wy;
2208
2209         where = event_frame (&event, &cx, &cy);
2210
2211         if (where < leftmost_frame || where > leftmost_frame + current_page_frames()) {
2212                 /* clearly outside canvas area */
2213                 return;
2214         }
2215
2216         if ((tv = trackview_by_y_position (cy)) == 0) {
2217                 return;
2218         }
2219
2220         if ((atv = dynamic_cast<AudioTimeAxisView*>(tv)) == 0) {
2221                 return;
2222         }
2223
2224         if ((playlist = atv->playlist()) == 0) {
2225                 return;
2226         }
2227
2228         snap_to (where);
2229
2230         begin_reversible_command (_("insert dragged region"));
2231         XMLNode &before = playlist->get_state();
2232         playlist->add_region (RegionFactory::create (region), where, 1.0);
2233         session->add_command(new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
2234         commit_reversible_command ();
2235 }
2236
2237 void
2238 Editor::insert_region_list_selection (float times)
2239 {
2240         RouteTimeAxisView *tv = 0;
2241         boost::shared_ptr<Playlist> playlist;
2242
2243         if (clicked_audio_trackview != 0) {
2244                 tv = clicked_audio_trackview;
2245         } else if (!selection->tracks.empty()) {
2246                 if ((tv = dynamic_cast<RouteTimeAxisView*>(selection->tracks.front())) == 0) {
2247                         return;
2248                 }
2249         } else if (entered_track != 0) {
2250                 if ((tv = dynamic_cast<RouteTimeAxisView*>(entered_track)) == 0) {
2251                         return;
2252                 }
2253         } else {
2254                 return;
2255         }
2256
2257         if ((playlist = tv->playlist()) == 0) {
2258                 return;
2259         }
2260
2261         Glib::RefPtr<TreeSelection> selected = region_list_display.get_selection();
2262
2263         if (selected->count_selected_rows() != 1) {
2264                 return;
2265         }
2266
2267         TreeView::Selection::ListHandle_Path rows = selected->get_selected_rows ();
2268
2269         /* only one row selected, so rows.begin() is it */
2270
2271         TreeIter iter;
2272
2273         if ((iter = region_list_model->get_iter (*rows.begin()))) {
2274
2275                 boost::shared_ptr<Region> region = (*iter)[region_list_columns.region];
2276
2277                 begin_reversible_command (_("insert region"));
2278                 XMLNode &before = playlist->get_state();
2279                 playlist->add_region ((RegionFactory::create (region)), get_preferred_edit_position(), times);
2280                 session->add_command(new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
2281                 commit_reversible_command ();
2282         }
2283 }
2284
2285 /* BUILT-IN EFFECTS */
2286
2287 void
2288 Editor::reverse_selection ()
2289 {
2290
2291 }
2292
2293 /* GAIN ENVELOPE EDITING */
2294
2295 void
2296 Editor::edit_envelope ()
2297 {
2298 }
2299
2300 /* PLAYBACK */
2301
2302 void
2303 Editor::transition_to_rolling (bool fwd)
2304 {
2305         if (!session) {
2306                 return;
2307         }
2308
2309         switch (Config->get_slave_source()) {
2310         case None:
2311         case JACK:
2312                 break;
2313         default:
2314                 /* transport controlled by the master */
2315                 return;
2316         }
2317
2318         if (session->is_auditioning()) {
2319                 session->cancel_audition ();
2320                 return;
2321         }
2322
2323         session->request_transport_speed (fwd ? 1.0f : -1.0f);
2324 }
2325
2326 void
2327 Editor::toggle_playback (bool with_abort)
2328 {
2329         if (!session) {
2330                 return;
2331         }
2332
2333         switch (Config->get_slave_source()) {
2334         case None:
2335         case JACK:
2336                 break;
2337         default:
2338                 /* transport controlled by the master */
2339                 return;
2340         }
2341
2342         if (session->is_auditioning()) {
2343                 session->cancel_audition ();
2344                 return;
2345         }
2346
2347         if (session->transport_rolling()) {
2348                 session->request_stop (with_abort);
2349                 if (session->get_play_loop()) {
2350                         session->request_play_loop (false);
2351                 }
2352         } else {
2353                 session->request_transport_speed (1.0f);
2354         }
2355 }
2356
2357 void
2358 Editor::play_from_start ()
2359 {
2360         session->request_locate (session->current_start_frame(), true);
2361 }
2362
2363 void
2364 Editor::play_from_edit_point ()
2365 {
2366         session->request_locate (get_preferred_edit_position(), true);
2367 }
2368
2369 void
2370 Editor::play_from_edit_point_and_return ()
2371 {
2372         nframes64_t start_frame;
2373         nframes64_t return_frame;
2374
2375         start_frame = get_preferred_edit_position (true);
2376
2377         if (session->transport_rolling()) {
2378                 session->request_locate (start_frame, false);
2379                 return;
2380         }
2381
2382         /* don't reset the return frame if its already set */
2383
2384         if ((return_frame = session->requested_return_frame()) < 0) {
2385                 return_frame = session->audible_frame();
2386         }
2387
2388         if (start_frame >= 0) {
2389                 session->request_roll_at_and_return (start_frame, return_frame);
2390         }
2391 }
2392
2393 void
2394 Editor::play_selection ()
2395 {
2396         if (selection->time.empty()) {
2397                 return;
2398         }
2399
2400         session->request_play_range (true);
2401 }
2402
2403 void
2404 Editor::loop_selected_region ()
2405 {
2406         RegionSelection rs;
2407
2408         get_regions_for_action (rs);
2409
2410         if (!rs.empty()) {
2411                 RegionView *rv = *(rs.begin());
2412                 Location* tll;
2413
2414                 if ((tll = transport_loop_location()) != 0)  {
2415
2416                         tll->set (rv->region()->position(), rv->region()->last_frame());
2417
2418                         // enable looping, reposition and start rolling
2419
2420                         session->request_play_loop (true);
2421                         session->request_locate (tll->start(), false);
2422                         session->request_transport_speed (1.0f);
2423                 }
2424         }
2425 }
2426
2427 void
2428 Editor::play_location (Location& location)
2429 {
2430         if (location.start() <= location.end()) {
2431                 return;
2432         }
2433
2434         session->request_bounded_roll (location.start(), location.end());
2435 }
2436
2437 void
2438 Editor::loop_location (Location& location)
2439 {
2440         if (location.start() <= location.end()) {
2441                 return;
2442         }
2443
2444         Location* tll;
2445
2446         if ((tll = transport_loop_location()) != 0) {
2447                 tll->set (location.start(), location.end());
2448
2449                 // enable looping, reposition and start rolling
2450                 session->request_play_loop (true);
2451                 session->request_locate (tll->start(), true);
2452         }
2453 }
2454
2455 void
2456 Editor::raise_region ()
2457 {
2458         selection->foreach_region (&Region::raise);
2459 }
2460
2461 void
2462 Editor::raise_region_to_top ()
2463 {
2464         selection->foreach_region (&Region::raise_to_top);
2465 }
2466
2467 void
2468 Editor::lower_region ()
2469 {
2470         selection->foreach_region (&Region::lower);
2471 }
2472
2473 void
2474 Editor::lower_region_to_bottom ()
2475 {
2476         selection->foreach_region (&Region::lower_to_bottom);
2477 }
2478
2479 void
2480 Editor::edit_region ()
2481 {
2482         if (clicked_regionview == 0) {
2483                 return;
2484         }
2485
2486         clicked_regionview->show_region_editor ();
2487 }
2488
2489 void
2490 Editor::rename_region()
2491 {
2492         RegionSelection rs;
2493
2494         get_regions_for_action (rs);
2495
2496         if (rs.empty()) {
2497                 return;
2498         }
2499
2500         WindowTitle title (Glib::get_application_name());
2501         title += _("Rename Region");
2502
2503         ArdourDialog d (*this, title.get_string(), true, false);
2504         Entry entry;
2505         Label label (_("New name:"));
2506         HBox hbox;
2507
2508         hbox.set_spacing (6);
2509         hbox.pack_start (label, false, false);
2510         hbox.pack_start (entry, true, true);
2511
2512         d.get_vbox()->set_border_width (12);
2513         d.get_vbox()->pack_start (hbox, false, false);
2514
2515         d.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
2516         d.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2517
2518         d.set_size_request (300, -1);
2519         d.set_position (Gtk::WIN_POS_MOUSE);
2520
2521         entry.set_text (rs.front()->region()->name());
2522         entry.select_region (0, -1);
2523
2524         entry.signal_activate().connect (bind (mem_fun (d, &Dialog::response), RESPONSE_OK));
2525
2526         d.show_all ();
2527
2528         entry.grab_focus();
2529
2530         int ret = d.run();
2531
2532         d.hide ();
2533
2534         if (ret == RESPONSE_OK) {
2535                 std::string str = entry.get_text();
2536                 strip_whitespace_edges (str);
2537                 if (!str.empty()) {
2538                         rs.front()->region()->set_name (str);
2539                         redisplay_regions ();
2540                 }
2541         }
2542 }
2543
2544 void
2545 Editor::audition_playlist_region_via_route (boost::shared_ptr<Region> region, Route& route)
2546 {
2547         if (session->is_auditioning()) {
2548                 session->cancel_audition ();
2549         }
2550
2551         // note: some potential for creativity here, because region doesn't
2552         // have to belong to the playlist that Route is handling
2553
2554         // bool was_soloed = route.soloed();
2555
2556         route.set_solo (true, this);
2557
2558         session->request_bounded_roll (region->position(), region->position() + region->length());
2559
2560         /* XXX how to unset the solo state ? */
2561 }
2562
2563 void
2564 Editor::play_edit_range ()
2565 {
2566         nframes64_t start, end;
2567
2568         if (get_edit_op_range (start, end)) {
2569                 session->request_bounded_roll (start, end);
2570         }
2571 }
2572
2573 void
2574 Editor::play_selected_region ()
2575 {
2576         nframes64_t start = max_frames;
2577         nframes64_t end = 0;
2578         RegionSelection rs;
2579
2580         get_regions_for_action (rs);
2581
2582         if (rs.empty()) {
2583                 return;
2584         }
2585
2586         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
2587                 if ((*i)->region()->position() < start) {
2588                         start = (*i)->region()->position();
2589                 }
2590                 if ((*i)->region()->last_frame() + 1 > end) {
2591                         end = (*i)->region()->last_frame() + 1;
2592                 }
2593         }
2594
2595         session->request_stop ();
2596         session->request_bounded_roll (start, end);
2597 }
2598
2599 void
2600 Editor::audition_playlist_region_standalone (boost::shared_ptr<Region> region)
2601 {
2602         session->audition_region (region);
2603 }
2604
2605 void
2606 Editor::build_interthread_progress_window ()
2607 {
2608         interthread_progress_window = new ArdourDialog (X_("interthread progress"), true);
2609
2610         interthread_progress_bar.set_orientation (Gtk::PROGRESS_LEFT_TO_RIGHT);
2611
2612         interthread_progress_window->set_border_width (12);
2613         interthread_progress_window->get_vbox()->set_spacing (6);
2614
2615         interthread_progress_label.set_alignment (0.5, 0.5);
2616
2617         interthread_progress_window->get_vbox()->pack_start (interthread_progress_label, false, false);
2618         interthread_progress_window->get_vbox()->pack_start (interthread_progress_bar,false, false);
2619
2620         // GTK2FIX: this button needs a modifiable label
2621
2622         Button* b = interthread_progress_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
2623         b->signal_clicked().connect (mem_fun(*this, &Editor::interthread_cancel_clicked));
2624
2625         interthread_cancel_button.add (interthread_cancel_label);
2626
2627         interthread_progress_window->set_default_size (200, 100);
2628 }
2629
2630 void
2631 Editor::interthread_cancel_clicked ()
2632 {
2633         if (current_interthread_info) {
2634                 current_interthread_info->cancel = true;
2635         }
2636 }
2637
2638 void
2639 Editor::region_from_selection ()
2640 {
2641         if (clicked_trackview == 0) {
2642                 return;
2643         }
2644
2645         if (selection->time.empty()) {
2646                 return;
2647         }
2648
2649         nframes64_t start = selection->time[clicked_selection].start;
2650         nframes64_t end = selection->time[clicked_selection].end;
2651
2652         nframes64_t selection_cnt = end - start + 1;
2653
2654         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
2655                 boost::shared_ptr<AudioRegion> current;
2656                 boost::shared_ptr<Region> current_r;
2657                 boost::shared_ptr<Playlist> pl;
2658
2659                 nframes64_t internal_start;
2660                 string new_name;
2661
2662                 if ((pl = (*i)->playlist()) == 0) {
2663                         continue;
2664                 }
2665
2666                 if ((current_r = pl->top_region_at (start)) == 0) {
2667                         continue;
2668                 }
2669
2670                 current = boost::dynamic_pointer_cast<AudioRegion> (current_r);
2671                 // FIXME: audio only
2672                 if (current != 0) {
2673                         internal_start = start - current->position();
2674                         session->region_name (new_name, current->name(), true);
2675                         boost::shared_ptr<Region> region (RegionFactory::create (current, internal_start, selection_cnt, new_name));
2676                 }
2677         }
2678 }
2679
2680 void
2681 Editor::create_region_from_selection (vector<boost::shared_ptr<AudioRegion> >& new_regions)
2682 {
2683         if (selection->time.empty() || selection->tracks.empty()) {
2684                 return;
2685         }
2686
2687         nframes64_t start = selection->time[clicked_selection].start;
2688         nframes64_t end = selection->time[clicked_selection].end;
2689
2690         sort_track_selection ();
2691
2692         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
2693
2694                 boost::shared_ptr<AudioRegion> current;
2695                 boost::shared_ptr<Region> current_r;
2696                 boost::shared_ptr<Playlist> playlist;
2697                 nframes64_t internal_start;
2698                 string new_name;
2699
2700                 if ((playlist = (*i)->playlist()) == 0) {
2701                         continue;
2702                 }
2703
2704                 if ((current_r = playlist->top_region_at(start)) == 0) {
2705                         continue;
2706                 }
2707
2708                 if ((current = boost::dynamic_pointer_cast<AudioRegion>(current_r)) == 0) {
2709                         continue;
2710                 }
2711
2712                 internal_start = start - current->position();
2713                 session->region_name (new_name, current->name(), true);
2714
2715                 new_regions.push_back (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (current, internal_start, end - start + 1, new_name)));
2716         }
2717 }
2718
2719 void
2720 Editor::split_multichannel_region ()
2721 {
2722         RegionSelection rs;
2723
2724         get_regions_for_action (rs);
2725
2726         if (rs.empty()) {
2727                 return;
2728         }
2729
2730         vector<boost::shared_ptr<AudioRegion> > v;
2731
2732         for (list<RegionView*>::iterator x = rs.begin(); x != rs.end(); ++x) {
2733
2734                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*x);
2735
2736                 if (!arv || arv->audio_region()->n_channels() < 2) {
2737                         continue;
2738                 }
2739
2740                 (arv)->audio_region()->separate_by_channel (*session, v);
2741         }
2742 }
2743
2744 void
2745 Editor::new_region_from_selection ()
2746 {
2747         region_from_selection ();
2748         cancel_selection ();
2749 }
2750
2751 static void
2752 add_if_covered (RegionView* rv, const AudioRange* ar, RegionSelection* rs)
2753 {
2754         switch (rv->region()->coverage (ar->start, ar->end - 1)) {
2755         case OverlapNone:
2756                 break;
2757         default:
2758                 rs->push_back (rv);
2759         }
2760 }
2761
2762 void
2763 Editor::separate_regions_between (const TimeSelection& ts)
2764 {
2765         bool in_command = false;
2766         boost::shared_ptr<Playlist> playlist;
2767         RegionSelection new_selection;
2768         TrackSelection tmptracks;
2769
2770         if (selection->tracks.empty()) {
2771
2772                 /* use tracks with selected regions */
2773
2774                 RegionSelection rs;
2775
2776                 get_regions_for_action (rs);
2777
2778                 for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
2779                         TimeAxisView* tv = &(*i)->get_time_axis_view();
2780
2781                         if (find (tmptracks.begin(), tmptracks.end(), tv) == tmptracks.end()) {
2782                                 tmptracks.push_back (tv);
2783                         }
2784                 }
2785
2786                 if (tmptracks.empty()) {
2787                         /* no regions selected: do nothing */
2788                         return;
2789                 }
2790
2791         } else {
2792
2793                 tmptracks = selection->tracks;
2794
2795         }
2796
2797         sort_track_selection (&tmptracks);
2798
2799         for (TrackSelection::iterator i = tmptracks.begin(); i != tmptracks.end(); ++i) {
2800
2801                 AudioTimeAxisView* atv;
2802
2803                 if ((atv = dynamic_cast<AudioTimeAxisView*> ((*i))) != 0) {
2804
2805                         if (atv->is_audio_track()) {
2806
2807                                 /* no edits to destructive tracks */
2808
2809                                 if (atv->audio_track()->audio_diskstream()->destructive()) {
2810                                         continue;
2811                                 }
2812
2813                                 if ((playlist = atv->playlist()) != 0) {
2814
2815
2816                                         XMLNode *before;
2817                                         bool got_some;
2818
2819                                         before = &(playlist->get_state());
2820                                         got_some = false;
2821
2822                                         /* XXX need to consider musical time selections here at some point */
2823
2824                                         double speed = atv->get_diskstream()->speed();
2825
2826
2827                                         for (list<AudioRange>::const_iterator t = ts.begin(); t != ts.end(); ++t) {
2828
2829                                                 sigc::connection c = atv->view()->RegionViewAdded.connect (mem_fun(*this, &Editor::collect_new_region_view));
2830                                                 latest_regionviews.clear ();
2831
2832                                                 playlist->partition ((nframes64_t)((*t).start * speed), (nframes64_t)((*t).end * speed), true);
2833
2834                                                 c.disconnect ();
2835
2836                                                 if (!latest_regionviews.empty()) {
2837
2838                                                         got_some = true;
2839
2840                                                         atv->view()->foreach_regionview (bind (sigc::ptr_fun (add_if_covered), &(*t), &new_selection));
2841
2842                                                         if (!in_command) {
2843                                                                 begin_reversible_command (_("separate"));
2844                                                                 in_command = true;
2845                                                         }
2846
2847                                                         session->add_command(new MementoCommand<Playlist>(*playlist, before, &playlist->get_state()));
2848
2849                                                 }
2850                                         }
2851
2852                                         if (!got_some) {
2853                                                 delete before;
2854                                         }
2855                                 }
2856                         }
2857                 }
2858         }
2859
2860         if (in_command) {
2861                 selection->set (new_selection);
2862                 set_mouse_mode (MouseObject);
2863
2864                 commit_reversible_command ();
2865         }
2866 }
2867
2868 void
2869 Editor::separate_region_from_selection ()
2870 {
2871         /* preferentially use *all* ranges in the time selection if we're in range mode
2872            to allow discontiguous operation, since get_edit_op_range() currently
2873            returns a single range.
2874         */
2875
2876         if (mouse_mode == MouseRange && !selection->time.empty()) {
2877
2878                 separate_regions_between (selection->time);
2879
2880         } else {
2881
2882                 nframes64_t start;
2883                 nframes64_t end;
2884
2885                 if (get_edit_op_range (start, end)) {
2886
2887                         AudioRange ar (start, end, 1);
2888                         TimeSelection ts;
2889                         ts.push_back (ar);
2890
2891                         separate_regions_between (ts);
2892                 }
2893         }
2894 }
2895
2896 void
2897 Editor::separate_region_from_punch ()
2898 {
2899         Location* loc  = session->locations()->auto_punch_location();
2900         if (loc) {
2901                 separate_regions_using_location (*loc);
2902         }
2903 }
2904
2905 void
2906 Editor::separate_region_from_loop ()
2907 {
2908         Location* loc  = session->locations()->auto_loop_location();
2909         if (loc) {
2910                 separate_regions_using_location (*loc);
2911         }
2912 }
2913
2914 void
2915 Editor::separate_regions_using_location (Location& loc)
2916 {
2917         if (loc.is_mark()) {
2918                 return;
2919         }
2920
2921         AudioRange ar (loc.start(), loc.end(), 1);
2922         TimeSelection ts;
2923
2924         ts.push_back (ar);
2925
2926         separate_regions_between (ts);
2927 }
2928
2929 void
2930 Editor::crop_region_to_selection ()
2931 {
2932         if (!selection->time.empty()) {
2933
2934                 crop_region_to (selection->time.start(), selection->time.end_frame());
2935
2936         } else {
2937
2938                 nframes64_t start;
2939                 nframes64_t end;
2940
2941                 if (get_edit_op_range (start, end)) {
2942                         crop_region_to (start, end);
2943                 }
2944         }
2945
2946 }
2947
2948 void
2949 Editor::crop_region_to (nframes64_t start, nframes64_t end)
2950 {
2951         vector<boost::shared_ptr<Playlist> > playlists;
2952         boost::shared_ptr<Playlist> playlist;
2953         TrackSelection* ts;
2954
2955         if (selection->tracks.empty()) {
2956                 ts = &track_views;
2957         } else {
2958                 sort_track_selection ();
2959                 ts = &selection->tracks;
2960         }
2961
2962         for (TrackSelection::iterator i = ts->begin(); i != ts->end(); ++i) {
2963
2964                 AudioTimeAxisView* atv;
2965
2966                 if ((atv = dynamic_cast<AudioTimeAxisView*> ((*i))) != 0) {
2967
2968                         if (atv->is_audio_track()) {
2969
2970                                 /* no edits to destructive tracks */
2971
2972                                 if (atv->audio_track()->audio_diskstream()->destructive()) {
2973                                         continue;
2974                                 }
2975
2976                                 if ((playlist = atv->playlist()) != 0) {
2977                                         playlists.push_back (playlist);
2978                                 }
2979                         }
2980                 }
2981         }
2982
2983         if (playlists.empty()) {
2984                 return;
2985         }
2986
2987         nframes64_t the_start;
2988         nframes64_t the_end;
2989         nframes64_t cnt;
2990
2991         begin_reversible_command (_("trim to selection"));
2992
2993         for (vector<boost::shared_ptr<Playlist> >::iterator i = playlists.begin(); i != playlists.end(); ++i) {
2994
2995                 boost::shared_ptr<Region> region;
2996
2997                 the_start = start;
2998
2999                 if ((region = (*i)->top_region_at(the_start)) == 0) {
3000                         continue;
3001                 }
3002
3003                 /* now adjust lengths to that we do the right thing
3004                    if the selection extends beyond the region
3005                 */
3006
3007                 the_start = max (the_start, (nframes64_t) region->position());
3008                 if (max_frames - the_start < region->length()) {
3009                         the_end = the_start + region->length() - 1;
3010                 } else {
3011                         the_end = max_frames;
3012                 }
3013                 the_end = min (end, the_end);
3014                 cnt = the_end - the_start + 1;
3015
3016                 XMLNode &before = (*i)->get_state();
3017                 region->trim_to (the_start, cnt, this);
3018                 XMLNode &after = (*i)->get_state();
3019                 session->add_command (new MementoCommand<Playlist>(*(*i), &before, &after));
3020         }
3021
3022         commit_reversible_command ();
3023 }
3024
3025 void
3026 Editor::region_fill_track ()
3027 {
3028         nframes64_t end;
3029         RegionSelection rs;
3030
3031         get_regions_for_action (rs);
3032
3033         if (!session || rs.empty()) {
3034                 return;
3035         }
3036
3037         end = session->current_end_frame ();
3038
3039         begin_reversible_command (_("region fill"));
3040
3041         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
3042
3043                 boost::shared_ptr<Region> region ((*i)->region());
3044
3045                 // FIXME
3046                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
3047                 if (!ar)
3048                         continue;
3049
3050                 boost::shared_ptr<Playlist> pl = region->playlist();
3051
3052                 if (end <= region->last_frame()) {
3053                         return;
3054                 }
3055
3056                 double times = (double) (end - region->last_frame()) / (double) region->length();
3057
3058                 if (times == 0) {
3059                         return;
3060                 }
3061
3062                 XMLNode &before = pl->get_state();
3063                 pl->add_region (RegionFactory::create (ar), ar->last_frame(), times);
3064                 session->add_command (new MementoCommand<Playlist>(*pl, &before, &pl->get_state()));
3065         }
3066
3067         commit_reversible_command ();
3068 }
3069
3070 void
3071 Editor::region_fill_selection ()
3072 {
3073         if (clicked_audio_trackview == 0 || !clicked_audio_trackview->is_audio_track()) {
3074                 return;
3075         }
3076
3077         if (selection->time.empty()) {
3078                 return;
3079         }
3080
3081
3082         Glib::RefPtr<TreeSelection> selected = region_list_display.get_selection();
3083
3084         if (selected->count_selected_rows() != 1) {
3085                 return;
3086         }
3087
3088         TreeModel::iterator i = region_list_display.get_selection()->get_selected();
3089         boost::shared_ptr<Region> region = (*i)[region_list_columns.region];
3090
3091         nframes64_t start = selection->time[clicked_selection].start;
3092         nframes64_t end = selection->time[clicked_selection].end;
3093
3094         boost::shared_ptr<Playlist> playlist;
3095
3096         if (selection->tracks.empty()) {
3097                 return;
3098         }
3099
3100         nframes64_t selection_length = end - start;
3101         float times = (float)selection_length / region->length();
3102
3103         begin_reversible_command (_("fill selection"));
3104
3105         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3106
3107                 if ((playlist = (*i)->playlist()) == 0) {
3108                         continue;
3109                 }
3110
3111                 XMLNode &before = playlist->get_state();
3112                 playlist->add_region (RegionFactory::create (region), start, times);
3113                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
3114         }
3115
3116         commit_reversible_command ();
3117 }
3118
3119 void
3120 Editor::set_region_sync_from_edit_point ()
3121 {
3122         nframes64_t where = get_preferred_edit_position ();
3123         RegionSelection rs;
3124         get_regions_for_action (rs);
3125         set_sync_point (where, rs);
3126 }
3127
3128 void
3129 Editor::set_sync_point (nframes64_t where, const RegionSelection& rs)
3130 {
3131         bool in_command = false;
3132
3133         for (RegionSelection::const_iterator r = rs.begin(); r != rs.end(); ++r) {
3134
3135                 if (!(*r)->region()->covers (where)) {
3136                         continue;
3137                 }
3138
3139                 boost::shared_ptr<Region> region ((*r)->region());
3140
3141                 if (!in_command) {
3142                         begin_reversible_command (_("set sync point"));
3143                         in_command = true;
3144                 }
3145
3146                 XMLNode &before = region->playlist()->get_state();
3147                 region->set_sync_position (get_preferred_edit_position());
3148                 XMLNode &after = region->playlist()->get_state();
3149                 session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
3150         }
3151
3152         if (in_command) {
3153                 commit_reversible_command ();
3154         }
3155 }
3156
3157 void
3158 Editor::remove_region_sync ()
3159 {
3160         RegionSelection rs;
3161
3162         get_regions_for_action (rs);
3163
3164         if (rs.empty()) {
3165                 return;
3166         }
3167
3168         begin_reversible_command (_("remove sync"));
3169         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
3170
3171                 XMLNode &before = (*i)->region()->playlist()->get_state();
3172                 (*i)->region()->clear_sync_position ();
3173                 XMLNode &after = (*i)->region()->playlist()->get_state();
3174                 session->add_command(new MementoCommand<Playlist>(*((*i)->region()->playlist()), &before, &after));
3175         }
3176         commit_reversible_command ();
3177 }
3178
3179 void
3180 Editor::naturalize ()
3181 {
3182         RegionSelection rs;
3183
3184         get_regions_for_action (rs);
3185
3186         if (rs.empty()) {
3187                 return;
3188         }
3189
3190         begin_reversible_command (_("naturalize"));
3191         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
3192                 XMLNode &before = (*i)->region()->get_state();
3193                 (*i)->region()->move_to_natural_position (this);
3194                 XMLNode &after = (*i)->region()->get_state();
3195                 session->add_command (new MementoCommand<Region>(*((*i)->region().get()), &before, &after));
3196         }
3197         commit_reversible_command ();
3198 }
3199
3200 void
3201 Editor::align (RegionPoint what)
3202 {
3203         RegionSelection rs;
3204
3205         get_regions_for_action (rs);
3206         nframes64_t where = get_preferred_edit_position();
3207
3208         if (!rs.empty()) {
3209                 align_selection (what, where, rs);
3210         } else {
3211
3212                 RegionSelection rs;
3213                 get_regions_at (rs, where, selection->tracks);
3214                 align_selection (what, where, rs);
3215         }
3216 }
3217
3218 void
3219 Editor::align_relative (RegionPoint what)
3220 {
3221         nframes64_t where = get_preferred_edit_position();
3222         RegionSelection rs;
3223
3224         get_regions_for_action (rs);
3225
3226         if (!rs.empty()) {
3227                 align_selection_relative (what, where, rs);
3228         }
3229 }
3230
3231 struct RegionSortByTime {
3232     bool operator() (const AudioRegionView* a, const AudioRegionView* b) {
3233             return a->region()->position() < b->region()->position();
3234     }
3235 };
3236
3237 void
3238 Editor::align_selection_relative (RegionPoint point, nframes64_t position, const RegionSelection& rs)
3239 {
3240         if (rs.empty()) {
3241                 return;
3242         }
3243
3244         nframes64_t distance;
3245         nframes64_t pos = 0;
3246         int dir;
3247
3248         list<RegionView*> sorted;
3249         rs.by_position (sorted);
3250
3251         boost::shared_ptr<Region> r ((*sorted.begin())->region());
3252
3253         switch (point) {
3254         case Start:
3255                 pos = position;
3256                 if (position > r->position()) {
3257                         distance = position - r->position();
3258                         dir = 1;
3259                 } else {
3260                         distance = r->position() - position;
3261                         dir = -1;
3262                 }
3263                 break;
3264
3265         case End:
3266                 if (position > r->last_frame()) {
3267                         distance = position - r->last_frame();
3268                         pos = r->position() + distance;
3269                         dir = 1;
3270                 } else {
3271                         distance = r->last_frame() - position;
3272                         pos = r->position() - distance;
3273                         dir = -1;
3274                 }
3275                 break;
3276
3277         case SyncPoint:
3278                 pos = r->adjust_to_sync (position);
3279                 if (pos > r->position()) {
3280                         distance = pos - r->position();
3281                         dir = 1;
3282                 } else {
3283                         distance = r->position() - pos;
3284                         dir = -1;
3285                 }
3286                 break;
3287         }
3288
3289         if (pos == r->position()) {
3290                 return;
3291         }
3292
3293         begin_reversible_command (_("align selection (relative)"));
3294
3295         /* move first one specially */
3296
3297         XMLNode &before = r->playlist()->get_state();
3298         r->set_position (pos, this);
3299         XMLNode &after = r->playlist()->get_state();
3300         session->add_command(new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
3301
3302         /* move rest by the same amount */
3303
3304         sorted.pop_front();
3305
3306         for (list<RegionView*>::iterator i = sorted.begin(); i != sorted.end(); ++i) {
3307
3308                 boost::shared_ptr<Region> region ((*i)->region());
3309
3310                 XMLNode &before = region->playlist()->get_state();
3311
3312                 if (dir > 0) {
3313                         region->set_position (region->position() + distance, this);
3314                 } else {
3315                         region->set_position (region->position() - distance, this);
3316                 }
3317
3318                 XMLNode &after = region->playlist()->get_state();
3319                 session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
3320
3321         }
3322
3323         commit_reversible_command ();
3324 }
3325
3326 void
3327 Editor::align_selection (RegionPoint point, nframes64_t position, const RegionSelection& rs)
3328 {
3329         if (rs.empty()) {
3330                 return;
3331         }
3332
3333         begin_reversible_command (_("align selection"));
3334
3335         for (RegionSelection::const_iterator i = rs.begin(); i != rs.end(); ++i) {
3336                 align_region_internal ((*i)->region(), point, position);
3337         }
3338
3339         commit_reversible_command ();
3340 }
3341
3342 void
3343 Editor::align_region (boost::shared_ptr<Region> region, RegionPoint point, nframes64_t position)
3344 {
3345         begin_reversible_command (_("align region"));
3346         align_region_internal (region, point, position);
3347         commit_reversible_command ();
3348 }
3349
3350 void
3351 Editor::align_region_internal (boost::shared_ptr<Region> region, RegionPoint point, nframes64_t position)
3352 {
3353         XMLNode &before = region->playlist()->get_state();
3354
3355         switch (point) {
3356         case SyncPoint:
3357                 region->set_position (region->adjust_to_sync (position), this);
3358                 break;
3359
3360         case End:
3361                 if (position > region->length()) {
3362                         region->set_position (position - region->length(), this);
3363                 }
3364                 break;
3365
3366         case Start:
3367                 region->set_position (position, this);
3368                 break;
3369         }
3370
3371         XMLNode &after = region->playlist()->get_state();
3372         session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
3373 }
3374
3375 void
3376 Editor::trim_region_to_loop ()
3377 {
3378         Location* loc = session->locations()->auto_loop_location();
3379         if (!loc) {
3380                 return;
3381         }
3382         trim_region_to_location (*loc, _("trim to loop"));
3383 }
3384
3385 void
3386 Editor::trim_region_to_punch ()
3387 {
3388         Location* loc = session->locations()->auto_punch_location();
3389         if (!loc) {
3390                 return;
3391         }
3392         trim_region_to_location (*loc, _("trim to punch"));
3393 }
3394
3395 void
3396 Editor::trim_region_to_location (const Location& loc, const char* str)
3397 {
3398         RegionSelection rs;
3399
3400         get_regions_for_action (rs);
3401
3402         begin_reversible_command (str);
3403
3404         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3405                 AudioRegionView* arv = dynamic_cast<AudioRegionView*> (*x);
3406
3407                 if (!arv) {
3408                         continue;
3409                 }
3410
3411                 /* require region to span proposed trim */
3412
3413                 switch (arv->region()->coverage (loc.start(), loc.end())) {
3414                 case OverlapInternal:
3415                         break;
3416                 default:
3417                         continue;
3418                 }
3419
3420                 AudioTimeAxisView* atav = dynamic_cast<AudioTimeAxisView*> (&arv->get_time_axis_view());
3421
3422                 if (!atav) {
3423                         return;
3424                 }
3425
3426                 float speed = 1.0;
3427                 nframes64_t start;
3428                 nframes64_t end;
3429
3430                 if (atav->get_diskstream() != 0) {
3431                         speed = atav->get_diskstream()->speed();
3432                 }
3433
3434                 start = session_frame_to_track_frame (loc.start(), speed);
3435                 end = session_frame_to_track_frame (loc.end(), speed);
3436
3437                 XMLNode &before = arv->region()->playlist()->get_state();
3438                 arv->region()->trim_to (start, (end - start), this);
3439                 XMLNode &after = arv->region()->playlist()->get_state();
3440                 session->add_command(new MementoCommand<Playlist>(*(arv->region()->playlist()), &before, &after));
3441         }
3442
3443         commit_reversible_command ();
3444 }
3445
3446 void
3447 Editor::trim_region_to_edit_point ()
3448 {
3449         RegionSelection rs;
3450
3451         get_regions_for_action (rs);
3452
3453         nframes64_t where = get_preferred_edit_position();
3454
3455         begin_reversible_command (_("trim region start to edit point"));
3456
3457         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3458                 AudioRegionView* arv = dynamic_cast<AudioRegionView*> (*x);
3459
3460                 if (!arv) {
3461                         continue;
3462                 }
3463
3464                 /* require region to cover trim */
3465
3466                 if (!arv->region()->covers (where)) {
3467                         continue;
3468                 }
3469
3470                 AudioTimeAxisView* atav = dynamic_cast<AudioTimeAxisView*> (&arv->get_time_axis_view());
3471
3472                 if (!atav) {
3473                         return;
3474                 }
3475
3476                 float speed = 1.0;
3477
3478                 if (atav->get_diskstream() != 0) {
3479                         speed = atav->get_diskstream()->speed();
3480                 }
3481
3482                 XMLNode &before = arv->region()->playlist()->get_state();
3483                 arv->region()->trim_end( session_frame_to_track_frame(where, speed), this);
3484                 XMLNode &after = arv->region()->playlist()->get_state();
3485                 session->add_command(new MementoCommand<Playlist>(*(arv->region()->playlist()), &before, &after));
3486         }
3487
3488         commit_reversible_command ();
3489 }
3490
3491 void
3492 Editor::trim_region_from_edit_point ()
3493 {
3494         RegionSelection rs;
3495
3496         get_regions_for_action (rs);
3497
3498         nframes64_t where = get_preferred_edit_position();
3499
3500         begin_reversible_command (_("trim region end to edit point"));
3501
3502         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3503                 AudioRegionView* arv = dynamic_cast<AudioRegionView*> (*x);
3504
3505                 if (!arv) {
3506                         continue;
3507                 }
3508
3509                 /* require region to cover trim */
3510
3511                 if (!arv->region()->covers (where)) {
3512                         continue;
3513                 }
3514
3515                 AudioTimeAxisView* atav = dynamic_cast<AudioTimeAxisView*> (&arv->get_time_axis_view());
3516
3517                 if (!atav) {
3518                         return;
3519                 }
3520
3521                 float speed = 1.0;
3522
3523                 if (atav->get_diskstream() != 0) {
3524                         speed = atav->get_diskstream()->speed();
3525                 }
3526
3527                 XMLNode &before = arv->region()->playlist()->get_state();
3528                 arv->region()->trim_front ( session_frame_to_track_frame(where, speed), this);
3529                 XMLNode &after = arv->region()->playlist()->get_state();
3530                 session->add_command(new MementoCommand<Playlist>(*(arv->region()->playlist()), &before, &after));
3531         }
3532
3533         commit_reversible_command ();
3534 }
3535
3536 void
3537 Editor::unfreeze_route ()
3538 {
3539         if (clicked_audio_trackview == 0 || !clicked_audio_trackview->is_audio_track()) {
3540                 return;
3541         }
3542
3543         clicked_audio_trackview->audio_track()->unfreeze ();
3544 }
3545
3546 void*
3547 Editor::_freeze_thread (void* arg)
3548 {
3549         PBD::ThreadCreated (pthread_self(), X_("Freeze"));
3550         return static_cast<Editor*>(arg)->freeze_thread ();
3551 }
3552
3553 void*
3554 Editor::freeze_thread ()
3555 {
3556         clicked_audio_trackview->audio_track()->freeze (*current_interthread_info);
3557         return 0;
3558 }
3559
3560 gint
3561 Editor::freeze_progress_timeout (void *arg)
3562 {
3563         interthread_progress_bar.set_fraction (current_interthread_info->progress/100);
3564         return !(current_interthread_info->done || current_interthread_info->cancel);
3565 }
3566
3567 void
3568 Editor::freeze_route ()
3569 {
3570         if (clicked_audio_trackview == 0 || !clicked_audio_trackview->is_audio_track()) {
3571                 return;
3572         }
3573
3574         InterThreadInfo itt;
3575
3576         if (interthread_progress_window == 0) {
3577                 build_interthread_progress_window ();
3578         }
3579
3580         WindowTitle title(Glib::get_application_name());
3581         title += _("Freeze");
3582         interthread_progress_window->set_title (title.get_string());
3583         interthread_progress_window->set_position (Gtk::WIN_POS_MOUSE);
3584         interthread_progress_window->show_all ();
3585         interthread_progress_bar.set_fraction (0.0f);
3586         interthread_progress_label.set_text ("");
3587         interthread_cancel_label.set_text (_("Cancel Freeze"));
3588         current_interthread_info = &itt;
3589
3590         interthread_progress_connection =
3591           Glib::signal_timeout().connect (bind (mem_fun(*this, &Editor::freeze_progress_timeout), (gpointer) 0), 100);
3592
3593         itt.done = false;
3594         itt.cancel = false;
3595         itt.progress = 0.0f;
3596
3597         pthread_attr_t attr;
3598         pthread_attr_init(&attr);
3599         pthread_attr_setstacksize(&attr, 500000);
3600
3601         pthread_create (&itt.thread, &attr, _freeze_thread, this);
3602
3603         pthread_attr_destroy(&attr);
3604
3605         track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
3606
3607         while (!itt.done && !itt.cancel) {
3608                 gtk_main_iteration ();
3609         }
3610
3611         interthread_progress_connection.disconnect ();
3612         interthread_progress_window->hide_all ();
3613         current_interthread_info = 0;
3614         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
3615 }
3616
3617 void
3618 Editor::bounce_range_selection (bool replace)
3619 {
3620         if (selection->time.empty()) {
3621                 return;
3622         }
3623
3624         TrackSelection views = selection->tracks;
3625
3626         nframes64_t start = selection->time[clicked_selection].start;
3627         nframes64_t end = selection->time[clicked_selection].end;
3628         nframes64_t cnt = end - start + 1;
3629
3630         begin_reversible_command (_("bounce range"));
3631
3632         for (TrackViewList::iterator i = views.begin(); i != views.end(); ++i) {
3633
3634                 AudioTimeAxisView* atv;
3635
3636                 if ((atv = dynamic_cast<AudioTimeAxisView*> (*i)) == 0) {
3637                         continue;
3638                 }
3639
3640                 boost::shared_ptr<Playlist> playlist;
3641
3642                 if ((playlist = atv->playlist()) == 0) {
3643                         return;
3644                 }
3645
3646                 InterThreadInfo itt;
3647
3648                 itt.done = false;
3649                 itt.cancel = false;
3650                 itt.progress = false;
3651
3652                 XMLNode &before = playlist->get_state();
3653                 boost::shared_ptr<Region> r = atv->audio_track()->bounce_range (start, start+cnt, itt);
3654
3655                 if (replace) {
3656                         list<AudioRange> ranges;
3657                         ranges.push_back (AudioRange (start, start+cnt, 0));
3658                         playlist->cut (ranges); // discard result
3659                         playlist->add_region (r, start);
3660                 }
3661
3662                 XMLNode &after = playlist->get_state();
3663                 session->add_command (new MementoCommand<Playlist> (*playlist, &before, &after));
3664         }
3665
3666         commit_reversible_command ();
3667 }
3668
3669 void
3670 Editor::cut ()
3671 {
3672         cut_copy (Cut);
3673 }
3674
3675 void
3676 Editor::copy ()
3677 {
3678         cut_copy (Copy);
3679 }
3680
3681 void
3682 Editor::cut_copy (CutCopyOp op)
3683 {
3684         /* only cancel selection if cut/copy is successful.*/
3685
3686         string opname;
3687
3688         switch (op) {
3689         case Cut:
3690                 opname = _("cut");
3691                 break;
3692         case Copy:
3693                 opname = _("copy");
3694                 break;
3695         case Clear:
3696                 opname = _("clear");
3697                 break;
3698         }
3699
3700         /* if we're deleting something, and the mouse is still pressed,
3701            the thing we started a drag for will be gone when we release
3702            the mouse button(s). avoid this. see part 2 at the end of
3703            this function.
3704         */
3705
3706         if (op == Cut || op == Clear) {
3707                 if (drag_info.item) {
3708                         drag_info.item->ungrab (0);
3709                         drag_info.item = 0;
3710                 }
3711         }
3712
3713         cut_buffer->clear ();
3714
3715         if (entered_marker) {
3716
3717                 /* cut/delete op while pointing at a marker */
3718
3719                 bool ignored;
3720                 Location* loc = find_location_from_marker (entered_marker, ignored);
3721
3722                 if (session && loc) {
3723                         Glib::signal_idle().connect (bind (mem_fun(*this, &Editor::really_remove_marker), loc));
3724                 }
3725
3726                 break_drag ();
3727
3728                 return;
3729         }
3730
3731         RegionSelection rs;
3732
3733         /* we only want to cut regions if some are selected */
3734
3735         if (!selection->regions.empty()) {
3736                 get_regions_for_action (rs);
3737         }
3738
3739         switch (current_mouse_mode()) {
3740         case MouseObject:
3741                 if (!rs.empty() || !selection->points.empty()) {
3742
3743                         begin_reversible_command (opname + _(" objects"));
3744
3745                         if (!rs.empty()) {
3746                                 cut_copy_regions (op, rs);
3747
3748                                 if (op == Cut) {
3749                                         selection->clear_regions ();
3750                                 }
3751                         }
3752
3753                         if (!selection->points.empty()) {
3754                                 cut_copy_points (op);
3755
3756                                 if (op == Cut) {
3757                                         selection->clear_points ();
3758                                 }
3759                         }
3760
3761                         commit_reversible_command ();
3762                         break; // terminate case statement here
3763                 }
3764                 if (!selection->time.empty()) {
3765                         /* don't cause suprises */
3766                         break;
3767                 }
3768                 // fall thru if there was nothing selected
3769
3770         case MouseRange:
3771                 if (selection->time.empty()) {
3772                         nframes64_t start, end;
3773                         if (!get_edit_op_range (start, end)) {
3774                                 return;
3775                         }
3776                         selection->set ((TimeAxisView*) 0, start, end);
3777                 }
3778
3779                 begin_reversible_command (opname + _(" range"));
3780                 cut_copy_ranges (op);
3781                 commit_reversible_command ();
3782
3783                 if (op == Cut) {
3784                         selection->clear_time ();
3785                 }
3786
3787                 break;
3788
3789         default:
3790                 break;
3791         }
3792
3793
3794         if (op == Cut || op == Clear) {
3795                 break_drag ();
3796         }
3797 }
3798
3799 void
3800 Editor::cut_copy_points (CutCopyOp op)
3801 {
3802         for (PointSelection::iterator i = selection->points.begin(); i != selection->points.end(); ++i) {
3803
3804                 AutomationTimeAxisView* atv = dynamic_cast<AutomationTimeAxisView*>(&(*i).track);
3805
3806                 if (atv) {
3807                         atv->cut_copy_clear_objects (selection->points, op);
3808                 }
3809         }
3810 }
3811
3812 struct PlaylistState {
3813     boost::shared_ptr<Playlist> playlist;
3814     XMLNode*  before;
3815 };
3816
3817 struct lt_playlist {
3818     bool operator () (const PlaylistState& a, const PlaylistState& b) {
3819             return a.playlist < b.playlist;
3820     }
3821 };
3822
3823 struct PlaylistMapping {
3824     TimeAxisView* tv;
3825     boost::shared_ptr<AudioPlaylist> pl;
3826
3827     PlaylistMapping (TimeAxisView* tvp) : tv (tvp) {}
3828 };
3829
3830 void
3831 Editor::cut_copy_regions (CutCopyOp op, RegionSelection& rs)
3832 {
3833         /* we can't use a std::map here because the ordering is important, and we can't trivially sort
3834            a map when we want ordered access to both elements. i think.
3835         */
3836
3837         vector<PlaylistMapping> pmap;
3838
3839         nframes64_t first_position = max_frames;
3840
3841         set<PlaylistState, lt_playlist> freezelist;
3842         pair<set<PlaylistState, lt_playlist>::iterator,bool> insert_result;
3843
3844         /* get ordering correct before we cut/copy */
3845
3846         rs.sort_by_position_and_track ();
3847
3848         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3849
3850                 first_position = min ((nframes64_t) (*x)->region()->position(), first_position);
3851
3852                 if (op == Cut || op == Clear) {
3853                         boost::shared_ptr<AudioPlaylist> pl = boost::dynamic_pointer_cast<AudioPlaylist>((*x)->region()->playlist());
3854
3855                         if (pl) {
3856
3857                                 PlaylistState before;
3858                                 before.playlist = pl;
3859                                 before.before = &pl->get_state();
3860
3861                                 insert_result = freezelist.insert (before);
3862
3863                                 if (insert_result.second) {
3864                                         pl->freeze ();
3865                                 }
3866                         }
3867                 }
3868
3869                 TimeAxisView* tv = &(*x)->get_trackview();
3870                 vector<PlaylistMapping>::iterator z;
3871
3872                 for (z = pmap.begin(); z != pmap.end(); ++z) {
3873                         if ((*z).tv == tv) {
3874                                 break;
3875                         }
3876                 }
3877
3878                 if (z == pmap.end()) {
3879                         pmap.push_back (PlaylistMapping (tv));
3880                 }
3881         }
3882
3883         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ) {
3884
3885                 boost::shared_ptr<AudioPlaylist> pl = boost::dynamic_pointer_cast<AudioPlaylist>((*x)->region()->playlist());
3886
3887                 if (!pl) {
3888                         /* impossible, but this handles it for the future */
3889                         continue;
3890                 }
3891
3892                 TimeAxisView& tv = (*x)->get_trackview();
3893                 boost::shared_ptr<AudioPlaylist> npl;
3894                 RegionSelection::iterator tmp;
3895
3896                 tmp = x;
3897                 ++tmp;
3898
3899                 vector<PlaylistMapping>::iterator z;
3900
3901                 for (z = pmap.begin(); z != pmap.end(); ++z) {
3902                         if ((*z).tv == &tv) {
3903                                 break;
3904                         }
3905                 }
3906
3907                 assert (z != pmap.end());
3908
3909                 if (!(*z).pl) {
3910                         npl = boost::dynamic_pointer_cast<AudioPlaylist> (PlaylistFactory::create (*session, "cutlist", true));
3911                         npl->freeze();
3912                         (*z).pl = npl;
3913                 } else {
3914                         npl = (*z).pl;
3915                 }
3916
3917                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>((*x)->region());
3918                 boost::shared_ptr<Region> _xx;
3919
3920                 switch (op) {
3921                 case Cut:
3922                         if (!ar) break;
3923
3924                         _xx = RegionFactory::create ((*x)->region());
3925                         npl->add_region (_xx, (*x)->region()->position() - first_position);
3926                         pl->remove_region (((*x)->region()));
3927                         break;
3928
3929                 case Copy:
3930                         if (!ar) break;
3931
3932                         /* copy region before adding, so we're not putting same object into two different playlists */
3933                         npl->add_region (RegionFactory::create ((*x)->region()), (*x)->region()->position() - first_position);
3934                         break;
3935
3936                 case Clear:
3937                         pl->remove_region (((*x)->region()));
3938                         break;
3939                 }
3940
3941                 x = tmp;
3942         }
3943
3944         list<boost::shared_ptr<Playlist> > foo;
3945
3946         /* the pmap is in the same order as the tracks in which selected regions occured */
3947
3948         for (vector<PlaylistMapping>::iterator i = pmap.begin(); i != pmap.end(); ++i) {
3949                 (*i).pl->thaw();
3950                 foo.push_back ((*i).pl);
3951         }
3952
3953
3954         if (!foo.empty()) {
3955                 cut_buffer->set (foo);
3956         }
3957
3958         for (set<PlaylistState, lt_playlist>::iterator pl = freezelist.begin(); pl != freezelist.end(); ++pl) {
3959                 (*pl).playlist->thaw ();
3960                 session->add_command (new MementoCommand<Playlist>(*(*pl).playlist, (*pl).before, &(*pl).playlist->get_state()));
3961         }
3962 }
3963
3964 void
3965 Editor::cut_copy_ranges (CutCopyOp op)
3966 {
3967         TrackSelection* ts;
3968         TrackSelection entered;
3969
3970         if (selection->tracks.empty()) {
3971                 if (!entered_track) {
3972                         return;
3973                 }
3974                 entered.push_back (entered_track);
3975                 ts = &entered;
3976         } else {
3977                 ts = &selection->tracks;
3978         }
3979
3980         for (TrackSelection::iterator i = ts->begin(); i != ts->end(); ++i) {
3981                 (*i)->cut_copy_clear (*selection, op);
3982         }
3983 }
3984
3985 void
3986 Editor::paste (float times)
3987 {
3988         paste_internal (get_preferred_edit_position(), times);
3989 }
3990
3991 void
3992 Editor::mouse_paste ()
3993 {
3994         nframes64_t where;
3995         bool ignored;
3996
3997         if (!mouse_frame (where, ignored)) {
3998                 return;
3999         }
4000
4001         snap_to (where);
4002         paste_internal (where, 1);
4003 }
4004
4005 void
4006 Editor::paste_internal (nframes64_t position, float times)
4007 {
4008         bool commit = false;
4009
4010         if (cut_buffer->empty()) {
4011                 return;
4012         }
4013
4014         if (position == max_frames) {
4015                 position = get_preferred_edit_position();
4016         }
4017
4018         begin_reversible_command (_("paste"));
4019
4020         TrackSelection ts;
4021         TrackSelection::iterator i;
4022         size_t nth;
4023
4024         /* get everything in the correct order */
4025
4026
4027         if (!selection->tracks.empty()) {
4028                 sort_track_selection ();
4029                 ts = selection->tracks;
4030         } else if (entered_track) {
4031                 ts.push_back (entered_track);
4032         }
4033
4034         for (nth = 0, i = ts.begin(); i != ts.end(); ++i, ++nth) {
4035
4036                 /* undo/redo is handled by individual tracks */
4037
4038                 if ((*i)->paste (position, times, *cut_buffer, nth)) {
4039                         commit = true;
4040                 }
4041         }
4042
4043         if (commit) {
4044                 commit_reversible_command ();
4045         }
4046 }
4047
4048 void
4049 Editor::paste_named_selection (float times)
4050 {
4051         TrackSelection::iterator t;
4052
4053         Glib::RefPtr<TreeSelection> selected = named_selection_display.get_selection();
4054
4055         if (selected->count_selected_rows() != 1 || selection->tracks.empty()) {
4056                 return;
4057         }
4058
4059         TreeModel::iterator i = selected->get_selected();
4060         NamedSelection* ns = (*i)[named_selection_columns.selection];
4061
4062         list<boost::shared_ptr<Playlist> >::iterator chunk;
4063         list<boost::shared_ptr<Playlist> >::iterator tmp;
4064
4065         chunk = ns->playlists.begin();
4066
4067         begin_reversible_command (_("paste chunk"));
4068
4069         sort_track_selection ();
4070
4071         for (t = selection->tracks.begin(); t != selection->tracks.end(); ++t) {
4072
4073                 AudioTimeAxisView* atv;
4074                 boost::shared_ptr<Playlist> pl;
4075                 boost::shared_ptr<AudioPlaylist> apl;
4076
4077                 if ((atv = dynamic_cast<AudioTimeAxisView*> (*t)) == 0) {
4078                         continue;
4079                 }
4080
4081                 if ((pl = atv->playlist()) == 0) {
4082                         continue;
4083                 }
4084
4085                 if ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) == 0) {
4086                         continue;
4087                 }
4088
4089                 tmp = chunk;
4090                 ++tmp;
4091
4092                 XMLNode &before = apl->get_state();
4093                 apl->paste (*chunk, get_preferred_edit_position(), times);
4094                 session->add_command(new MementoCommand<AudioPlaylist>(*apl, &before, &apl->get_state()));
4095
4096                 if (tmp != ns->playlists.end()) {
4097                         chunk = tmp;
4098                 }
4099         }
4100
4101         commit_reversible_command();
4102 }
4103
4104 void
4105 Editor::duplicate_some_regions (RegionSelection& regions, float times)
4106 {
4107         boost::shared_ptr<Playlist> playlist;
4108         RegionSelection sel = regions; // clear (below) may  clear the argument list if its the current region selection
4109         RegionSelection foo;
4110
4111         begin_reversible_command (_("duplicate region"));
4112
4113         selection->clear_regions ();
4114
4115         for (RegionSelection::iterator i = sel.begin(); i != sel.end(); ++i) {
4116
4117                 boost::shared_ptr<Region> r ((*i)->region());
4118
4119                 TimeAxisView& tv = (*i)->get_time_axis_view();
4120                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (&tv);
4121
4122                 latest_regionviews.clear ();
4123                 sigc::connection c = atv->view()->RegionViewAdded.connect (mem_fun(*this, &Editor::collect_new_region_view));
4124
4125                 playlist = (*i)->region()->playlist();
4126                 XMLNode &before = playlist->get_state();
4127                 playlist->duplicate (r, r->last_frame() + 1, times);
4128                 session->add_command(new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
4129
4130                 c.disconnect ();
4131
4132                 foo.insert (foo.end(), latest_regionviews.begin(), latest_regionviews.end());
4133         }
4134
4135         commit_reversible_command ();
4136
4137         if (!foo.empty()) {
4138                 selection->set (foo);
4139         }
4140 }
4141
4142 void
4143 Editor::duplicate_selection (float times)
4144 {
4145         if (selection->time.empty() || selection->tracks.empty()) {
4146                 return;
4147         }
4148
4149         boost::shared_ptr<Playlist> playlist;
4150         vector<boost::shared_ptr<AudioRegion> > new_regions;
4151         vector<boost::shared_ptr<AudioRegion> >::iterator ri;
4152
4153         create_region_from_selection (new_regions);
4154
4155         if (new_regions.empty()) {
4156                 return;
4157         }
4158
4159         begin_reversible_command (_("duplicate selection"));
4160
4161         ri = new_regions.begin();
4162
4163         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4164                 if ((playlist = (*i)->playlist()) == 0) {
4165                         continue;
4166                 }
4167                 XMLNode &before = playlist->get_state();
4168                 playlist->duplicate (*ri, selection->time[clicked_selection].end, times);
4169                 XMLNode &after = playlist->get_state();
4170                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &after));
4171
4172                 ++ri;
4173                 if (ri == new_regions.end()) {
4174                         --ri;
4175                 }
4176         }
4177
4178         commit_reversible_command ();
4179 }
4180
4181 void
4182 Editor::reset_point_selection ()
4183 {
4184         /* reset all selected points to the relevant default value */
4185
4186         for (PointSelection::iterator i = selection->points.begin(); i != selection->points.end(); ++i) {
4187
4188                 AutomationTimeAxisView* atv = dynamic_cast<AutomationTimeAxisView*>(&(*i).track);
4189
4190                 if (atv) {
4191                         atv->reset_objects (selection->points);
4192                 }
4193         }
4194 }
4195
4196 void
4197 Editor::center_playhead ()
4198 {
4199         float page = canvas_width * frames_per_unit;
4200         center_screen_internal (playhead_cursor->current_frame, page);
4201 }
4202
4203 void
4204 Editor::center_edit_point ()
4205 {
4206         float page = canvas_width * frames_per_unit;
4207         center_screen_internal (get_preferred_edit_position(), page);
4208 }
4209
4210 void
4211 Editor::clear_playlist (boost::shared_ptr<Playlist> playlist)
4212 {
4213         begin_reversible_command (_("clear playlist"));
4214         XMLNode &before = playlist->get_state();
4215         playlist->clear ();
4216         XMLNode &after = playlist->get_state();
4217         session->add_command (new MementoCommand<Playlist>(*playlist.get(), &before, &after));
4218         commit_reversible_command ();
4219 }
4220
4221 void
4222 Editor::nudge_track (bool use_edit, bool forwards)
4223 {
4224         boost::shared_ptr<Playlist> playlist;
4225         nframes64_t distance;
4226         nframes64_t next_distance;
4227         nframes64_t start;
4228
4229         if (use_edit) {
4230                 start = get_preferred_edit_position();
4231         } else {
4232                 start = 0;
4233         }
4234
4235         if ((distance = get_nudge_distance (start, next_distance)) == 0) {
4236                 return;
4237         }
4238
4239         if (selection->tracks.empty()) {
4240                 return;
4241         }
4242
4243         begin_reversible_command (_("nudge track"));
4244
4245         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4246
4247                 if ((playlist = (*i)->playlist()) == 0) {
4248                         continue;
4249                 }
4250
4251                 XMLNode &before = playlist->get_state();
4252                 playlist->nudge_after (start, distance, forwards);
4253                 XMLNode &after = playlist->get_state();
4254                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &after));
4255         }
4256
4257         commit_reversible_command ();
4258 }
4259
4260 void
4261 Editor::remove_last_capture ()
4262 {
4263         vector<string> choices;
4264         string prompt;
4265
4266         if (!session) {
4267                 return;
4268         }
4269
4270         if (Config->get_verify_remove_last_capture()) {
4271                 prompt  = _("Do you really want to destroy the last capture?"
4272                             "\n(This is destructive and cannot be undone)");
4273
4274                 choices.push_back (_("No, do nothing."));
4275                 choices.push_back (_("Yes, destroy it."));
4276
4277                 Gtkmm2ext::Choice prompter (prompt, choices);
4278
4279                 if (prompter.run () == 1) {
4280                         session->remove_last_capture ();
4281                 }
4282
4283         } else {
4284                 session->remove_last_capture();
4285         }
4286 }
4287
4288 void
4289 Editor::normalize_region ()
4290 {
4291         RegionSelection rs;
4292
4293         get_regions_for_action (rs);
4294
4295         if (!session) {
4296                 return;
4297         }
4298
4299         if (rs.empty()) {
4300                 return;
4301         }
4302
4303         begin_reversible_command (_("normalize"));
4304
4305         track_canvas->get_window()->set_cursor (*wait_cursor);
4306         gdk_flush ();
4307
4308         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
4309                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4310                 if (!arv)
4311                         continue;
4312                 XMLNode &before = arv->region()->get_state();
4313                 arv->audio_region()->normalize_to (0.0f);
4314                 session->add_command (new MementoCommand<Region>(*(arv->region().get()), &before, &arv->region()->get_state()));
4315         }
4316
4317         commit_reversible_command ();
4318         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
4319 }
4320
4321
4322 void
4323 Editor::denormalize_region ()
4324 {
4325         if (!session) {
4326                 return;
4327         }
4328
4329         RegionSelection rs;
4330
4331         get_regions_for_action (rs);
4332
4333         if (rs.empty()) {
4334                 return;
4335         }
4336
4337         begin_reversible_command ("denormalize");
4338
4339         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
4340                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4341                 if (!arv)
4342                         continue;
4343                 XMLNode &before = arv->region()->get_state();
4344                 arv->audio_region()->set_scale_amplitude (1.0f);
4345                 session->add_command (new MementoCommand<Region>(*(arv->region().get()), &before, &arv->region()->get_state()));
4346         }
4347
4348         commit_reversible_command ();
4349 }
4350
4351 void
4352 Editor::adjust_region_scale_amplitude (bool up)
4353 {
4354         if (!session) {
4355                 return;
4356         }
4357
4358         RegionSelection rs;
4359
4360         get_regions_for_action (rs);
4361
4362         if (rs.empty()) {
4363                 return;
4364         }
4365
4366         begin_reversible_command ("denormalize");
4367
4368         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
4369                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4370                 if (!arv)
4371                         continue;
4372                 XMLNode &before = arv->region()->get_state();
4373
4374                 double fraction = gain_to_slider_position (arv->audio_region()->scale_amplitude ());
4375
4376                 if (up) {
4377                         fraction += 0.05;
4378                         fraction = min (fraction, 1.0);
4379                 } else {
4380                         fraction -= 0.05;
4381                         fraction = max (fraction, 0.0);
4382                 }
4383
4384                 if (!up && fraction <= 0) {
4385                         continue;
4386                 }
4387
4388                 fraction = slider_position_to_gain (fraction);
4389                 fraction = coefficient_to_dB (fraction);
4390                 fraction = dB_to_coefficient (fraction);
4391
4392                 if (up && fraction >= 2.0) {
4393                         continue;
4394                 }
4395
4396                 arv->audio_region()->set_scale_amplitude (fraction);
4397                 session->add_command (new MementoCommand<Region>(*(arv->region().get()), &before, &arv->region()->get_state()));
4398         }
4399
4400         commit_reversible_command ();
4401 }
4402
4403
4404 void
4405 Editor::reverse_region ()
4406 {
4407         if (!session) {
4408                 return;
4409         }
4410
4411         Reverse rev (*session);
4412         apply_filter (rev, _("reverse regions"));
4413 }
4414
4415 void
4416 Editor::apply_filter (AudioFilter& filter, string command)
4417 {
4418         RegionSelection rs;
4419
4420         get_regions_for_action (rs);
4421
4422         if (rs.empty()) {
4423                 return;
4424         }
4425
4426         begin_reversible_command (command);
4427
4428         track_canvas->get_window()->set_cursor (*wait_cursor);
4429         gdk_flush ();
4430
4431         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ) {
4432                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4433                 if (!arv)
4434                         continue;
4435
4436                 boost::shared_ptr<Playlist> playlist = arv->region()->playlist();
4437
4438                 RegionSelection::iterator tmp;
4439
4440                 tmp = r;
4441                 ++tmp;
4442
4443                 if (arv->audio_region()->apply (filter) == 0) {
4444
4445                         XMLNode &before = playlist->get_state();
4446                         playlist->replace_region (arv->region(), filter.results.front(), arv->region()->position());
4447                         XMLNode &after = playlist->get_state();
4448                         session->add_command(new MementoCommand<Playlist>(*playlist, &before, &after));
4449                 } else {
4450                         goto out;
4451                 }
4452
4453                 r = tmp;
4454         }
4455
4456         commit_reversible_command ();
4457         rs.clear ();
4458
4459   out:
4460         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
4461 }
4462
4463 void
4464 Editor::region_selection_op (void (Region::*pmf)(void))
4465 {
4466         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4467                 Region* region = (*i)->region().get();
4468                 (region->*pmf)();
4469         }
4470 }
4471
4472
4473 void
4474 Editor::region_selection_op (void (Region::*pmf)(void*), void *arg)
4475 {
4476         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4477                 Region* region = (*i)->region().get();
4478                 (region->*pmf)(arg);
4479         }
4480 }
4481
4482 void
4483 Editor::region_selection_op (void (Region::*pmf)(bool), bool yn)
4484 {
4485         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4486                 Region* region = (*i)->region().get();
4487                 (region->*pmf)(yn);
4488         }
4489 }
4490
4491 void
4492 Editor::external_edit_region ()
4493 {
4494         // XXX shouldn't this use get_regions_for_action(rs) too?
4495         if (!clicked_regionview) {
4496                 return;
4497         }
4498
4499         /* more to come */
4500 }
4501
4502 void
4503 Editor::brush (nframes64_t pos)
4504 {
4505         RegionSelection sel;
4506         RegionSelection rs;
4507
4508         get_regions_for_action (rs);
4509
4510         snap_to (pos);
4511
4512         if (rs.empty()) {
4513                 return;
4514         }
4515
4516         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4517                 mouse_brush_insert_region ((*i), pos);
4518         }
4519 }
4520
4521 void
4522 Editor::reset_region_gain_envelopes ()
4523 {
4524         RegionSelection rs;
4525
4526         get_regions_for_action (rs);
4527
4528         if (!session || rs.empty()) {
4529                 return;
4530         }
4531
4532         session->begin_reversible_command (_("reset region gain"));
4533
4534         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4535                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4536                 if (arv) {
4537                         AutomationList& alist (arv->audio_region()->envelope());
4538                         XMLNode& before (alist.get_state());
4539
4540                         arv->audio_region()->set_default_envelope ();
4541                         session->add_command (new MementoCommand<AutomationList>(arv->audio_region()->envelope(), &before, &alist.get_state()));
4542                 }
4543         }
4544
4545         session->commit_reversible_command ();
4546 }
4547
4548 void
4549 Editor::toggle_gain_envelope_visibility ()
4550 {
4551         RegionSelection rs;
4552
4553         get_regions_for_action (rs);
4554
4555         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4556                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4557                 if (arv) {
4558                         arv->set_envelope_visible (!arv->envelope_visible());
4559                 }
4560         }
4561 }
4562
4563 void
4564 Editor::toggle_gain_envelope_active ()
4565 {
4566         RegionSelection rs;
4567
4568         get_regions_for_action (rs);
4569
4570         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4571                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4572                 if (arv) {
4573                         arv->audio_region()->set_envelope_active (!arv->audio_region()->envelope_active());
4574                 }
4575         }
4576 }
4577
4578 void
4579 Editor::toggle_region_lock ()
4580 {
4581         RegionSelection rs;
4582
4583         get_regions_for_action (rs);
4584
4585         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4586                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4587                 if (arv) {
4588                         arv->audio_region()->set_locked (!arv->audio_region()->locked());
4589                 }
4590         }
4591 }
4592
4593 void
4594 Editor::set_region_lock_style (Region::PositionLockStyle ps)
4595 {
4596         RegionSelection rs;
4597
4598         get_regions_for_action (rs);
4599
4600         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4601                 (*i)->region()->set_position_lock_style (ps);
4602         }
4603 }
4604
4605
4606 void
4607 Editor::toggle_region_mute ()
4608 {
4609         RegionSelection rs;
4610
4611         get_regions_for_action (rs);
4612
4613         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4614                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4615                 if (arv) {
4616                         arv->audio_region()->set_muted (!arv->audio_region()->muted());
4617                 }
4618         }
4619 }
4620
4621 void
4622 Editor::toggle_region_opaque ()
4623 {
4624         RegionSelection rs;
4625
4626         get_regions_for_action (rs);
4627
4628         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4629                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4630                 if (arv) {
4631                         arv->audio_region()->set_opaque (!arv->audio_region()->opaque());
4632                 }
4633         }
4634 }
4635
4636 void
4637 Editor::set_fade_length (bool in)
4638 {
4639         RegionSelection rs;
4640
4641         get_regions_for_action (rs);
4642
4643         /* we need a region to measure the offset from the start */
4644
4645         RegionView* rv;
4646
4647         if (!rs.empty()) {
4648                 rv = rs.front();
4649         } else if (entered_regionview) {
4650                 rv = entered_regionview;
4651         } else {
4652                 return;
4653         }
4654
4655         nframes64_t pos = get_preferred_edit_position();
4656         nframes64_t len;
4657         char* cmd;
4658
4659         if (pos > rv->region()->last_frame() || pos < rv->region()->first_frame()) {
4660                 /* edit point is outside the relevant region */
4661                 return;
4662         }
4663
4664         if (in) {
4665                 if (pos <= rv->region()->position()) {
4666                         /* can't do it */
4667                         return;
4668                 }
4669                 len = pos - rv->region()->position();
4670                 cmd = _("set fade in length");
4671         } else {
4672                 if (pos >= rv->region()->last_frame()) {
4673                         /* can't do it */
4674                         return;
4675                 }
4676                 len = rv->region()->last_frame() - pos;
4677                 cmd = _("set fade out length");
4678         }
4679
4680         begin_reversible_command (cmd);
4681
4682         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
4683                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
4684
4685                 if (!tmp) {
4686                         return;
4687                 }
4688
4689                 AutomationList* alist;
4690                 if (in) {
4691                         alist = &tmp->audio_region()->fade_in();
4692                 } else {
4693                         alist = &tmp->audio_region()->fade_out();
4694                 }
4695
4696                 XMLNode &before = alist->get_state();
4697
4698                 if (in) {
4699                         tmp->audio_region()->set_fade_in_length (len);
4700                         tmp->audio_region()->set_fade_in_active (true);
4701                 } else {
4702                         tmp->audio_region()->set_fade_out_length (len);
4703                         tmp->audio_region()->set_fade_out_active (true);
4704                 }
4705
4706                 XMLNode &after = alist->get_state();
4707                 session->add_command(new MementoCommand<AutomationList>(*alist, &before, &after));
4708         }
4709
4710         commit_reversible_command ();
4711 }
4712
4713
4714 void
4715 Editor::toggle_fade_active (bool in)
4716 {
4717         RegionSelection rs;
4718
4719         get_regions_for_action (rs);
4720
4721         if (rs.empty()) {
4722                 return;
4723         }
4724
4725         const char* cmd = (in ? _("toggle fade in active") : _("toggle fade out active"));
4726         bool have_switch = false;
4727         bool yn;
4728
4729         begin_reversible_command (cmd);
4730
4731         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
4732                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
4733
4734                 if (!tmp) {
4735                         return;
4736                 }
4737
4738                 boost::shared_ptr<AudioRegion> region (tmp->audio_region());
4739
4740                 /* make the behaviour consistent across all regions */
4741
4742                 if (!have_switch) {
4743                         if (in) {
4744                                 yn = region->fade_in_active();
4745                         } else {
4746                                 yn = region->fade_out_active();
4747                         }
4748                         have_switch = true;
4749                 }
4750
4751                 XMLNode &before = region->get_state();
4752                 if (in) {
4753                         region->set_fade_in_active (!yn);
4754                 } else {
4755                         region->set_fade_out_active (!yn);
4756                 }
4757                 XMLNode &after = region->get_state();
4758                 session->add_command(new MementoCommand<AudioRegion>(*region.get(), &before, &after));
4759         }
4760
4761         commit_reversible_command ();
4762 }
4763
4764 void
4765 Editor::set_fade_in_shape (AudioRegion::FadeShape shape)
4766 {
4767         RegionSelection rs;
4768
4769         get_regions_for_action (rs);
4770
4771         if (rs.empty()) {
4772                 return;
4773         }
4774
4775         begin_reversible_command (_("set fade in shape"));
4776
4777         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
4778                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
4779
4780                 if (!tmp) {
4781                         return;
4782                 }
4783
4784                 AutomationList& alist = tmp->audio_region()->fade_in();
4785                 XMLNode &before = alist.get_state();
4786
4787                 tmp->audio_region()->set_fade_in_shape (shape);
4788
4789                 XMLNode &after = alist.get_state();
4790                 session->add_command(new MementoCommand<AutomationList>(alist, &before, &after));
4791         }
4792
4793         commit_reversible_command ();
4794
4795 }
4796
4797 void
4798 Editor::set_fade_out_shape (AudioRegion::FadeShape shape)
4799 {
4800         RegionSelection rs;
4801
4802         get_regions_for_action (rs);
4803
4804         if (rs.empty()) {
4805                 return;
4806         }
4807
4808         begin_reversible_command (_("set fade out shape"));
4809
4810         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
4811                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
4812
4813                 if (!tmp) {
4814                         return;
4815                 }
4816
4817                 AutomationList& alist = tmp->audio_region()->fade_out();
4818                 XMLNode &before = alist.get_state();
4819
4820                 tmp->audio_region()->set_fade_out_shape (shape);
4821
4822                 XMLNode &after = alist.get_state();
4823                 session->add_command(new MementoCommand<AutomationList>(alist, &before, &after));
4824         }
4825
4826         commit_reversible_command ();
4827 }
4828
4829 void
4830 Editor::set_fade_in_active (bool yn)
4831 {
4832         RegionSelection rs;
4833
4834         get_regions_for_action (rs);
4835
4836         if (rs.empty()) {
4837                 return;
4838         }
4839
4840         begin_reversible_command (_("set fade in active"));
4841
4842         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
4843                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
4844
4845                 if (!tmp) {
4846                         return;
4847                 }
4848
4849
4850                 boost::shared_ptr<AudioRegion> ar (tmp->audio_region());
4851
4852                 XMLNode &before = ar->get_state();
4853
4854                 ar->set_fade_in_active (yn);
4855
4856                 XMLNode &after = ar->get_state();
4857                 session->add_command(new MementoCommand<AudioRegion>(*ar, &before, &after));
4858         }
4859
4860         commit_reversible_command ();
4861 }
4862
4863 void
4864 Editor::set_fade_out_active (bool yn)
4865 {
4866         RegionSelection rs;
4867
4868         get_regions_for_action (rs);
4869
4870         if (rs.empty()) {
4871                 return;
4872         }
4873
4874         begin_reversible_command (_("set fade out active"));
4875
4876         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
4877                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
4878
4879                 if (!tmp) {
4880                         return;
4881                 }
4882
4883                 boost::shared_ptr<AudioRegion> ar (tmp->audio_region());
4884
4885                 XMLNode &before = ar->get_state();
4886
4887                 ar->set_fade_out_active (yn);
4888
4889                 XMLNode &after = ar->get_state();
4890                 session->add_command(new MementoCommand<AudioRegion>(*ar, &before, &after));
4891         }
4892
4893         commit_reversible_command ();
4894 }
4895
4896
4897 /** Update crossfade visibility after its configuration has been changed */
4898 void
4899 Editor::update_xfade_visibility ()
4900 {
4901         _xfade_visibility = Config->get_xfades_visible ();
4902
4903         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4904                 AudioTimeAxisView* v = dynamic_cast<AudioTimeAxisView*>(*i);
4905                 if (v) {
4906                         if (_xfade_visibility) {
4907                                 v->show_all_xfades ();
4908                         } else {
4909                                 v->hide_all_xfades ();
4910                         }
4911                 }
4912         }
4913 }
4914
4915 void
4916 Editor::set_edit_point ()
4917 {
4918         nframes64_t where;
4919         bool ignored;
4920
4921         if (!mouse_frame (where, ignored)) {
4922                 return;
4923         }
4924
4925         snap_to (where);
4926
4927         if (selection->markers.empty()) {
4928
4929                 mouse_add_new_marker (where);
4930
4931         } else {
4932                 bool ignored;
4933
4934                 Location* loc = find_location_from_marker (selection->markers.front(), ignored);
4935
4936                 if (loc) {
4937                         loc->move_to (where);
4938                 }
4939         }
4940 }
4941
4942 void
4943 Editor::set_playhead_cursor ()
4944 {
4945         if (entered_marker) {
4946                 session->request_locate (entered_marker->position(), session->transport_rolling());
4947         } else {
4948                 nframes64_t where;
4949                 bool ignored;
4950
4951                 if (!mouse_frame (where, ignored)) {
4952                         return;
4953                 }
4954
4955                 snap_to (where);
4956
4957                 if (session) {
4958                         session->request_locate (where, session->transport_rolling());
4959                 }
4960         }
4961 }
4962
4963 void
4964 Editor::split ()
4965 {
4966         RegionSelection rs;
4967
4968         get_regions_for_action (rs);
4969
4970         nframes64_t where = get_preferred_edit_position();
4971
4972         if (rs.empty()) {
4973                 return;
4974         }
4975
4976         split_regions_at (where, rs);
4977 }
4978
4979 void
4980 Editor::ensure_entered_track_selected (bool op_really_wants_one_track_if_none_are_selected)
4981 {
4982         if (entered_track && mouse_mode == MouseObject) {
4983                 if (!selection->tracks.empty()) {
4984                         if (!selection->selected (entered_track)) {
4985                                 selection->add (entered_track);
4986                         }
4987                 } else {
4988                         /* there is no selection, but this operation requires/prefers selected objects */
4989
4990                         if (op_really_wants_one_track_if_none_are_selected) {
4991                                 selection->set (entered_track);
4992                         }
4993                 }
4994         }
4995 }
4996
4997 void
4998 Editor::trim_region_front ()
4999 {
5000         trim_region (true);
5001 }
5002
5003 void
5004 Editor::trim_region_back ()
5005 {
5006         trim_region (false);
5007 }
5008
5009 void
5010 Editor::trim_region (bool front)
5011 {
5012         nframes64_t where = get_preferred_edit_position();
5013         RegionSelection rs;
5014
5015         get_regions_for_action (rs);
5016
5017         if (rs.empty()) {
5018                 return;
5019         }
5020
5021         begin_reversible_command (front ? _("trim front") : _("trim back"));
5022
5023         for (list<RegionView*>::const_iterator i = rs.by_layer().begin(); i != rs.by_layer().end(); ++i) {
5024                 if (!(*i)->region()->locked()) {
5025                         boost::shared_ptr<Playlist> pl = (*i)->region()->playlist();
5026                         XMLNode &before = pl->get_state();
5027                         if (front) {
5028                                 (*i)->region()->trim_front (where, this);
5029                         } else {
5030                                 (*i)->region()->trim_end (where, this);
5031                         }
5032                         XMLNode &after = pl->get_state();
5033                         session->add_command(new MementoCommand<Playlist>(*pl.get(), &before, &after));
5034                 }
5035         }
5036
5037         commit_reversible_command ();
5038 }
5039
5040 struct EditorOrderRouteSorter {
5041     bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
5042             /* use of ">" forces the correct sort order */
5043             return a->order_key ("editor") < b->order_key ("editor");
5044     }
5045 };
5046
5047 void
5048 Editor::select_next_route()
5049 {
5050         if (selection->tracks.empty()) {
5051                 selection->set (track_views.front());
5052                 return;
5053         }
5054
5055         TimeAxisView* current = selection->tracks.front();
5056
5057         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5058                 if (*i == current) {
5059                         ++i;
5060                         if (i != track_views.end()) {
5061                                 selection->set (*i);
5062                         } else {
5063                                 selection->set (*(track_views.begin()));
5064                         }
5065                         break;
5066                 }
5067         }
5068 }
5069
5070 void
5071 Editor::select_prev_route()
5072 {
5073         if (selection->tracks.empty()) {
5074                 selection->set (track_views.front());
5075                 return;
5076         }
5077
5078         TimeAxisView* current = selection->tracks.front();
5079
5080         for (TrackViewList::reverse_iterator i = track_views.rbegin(); i != track_views.rend(); ++i) {
5081                 if (*i == current) {
5082                         ++i;
5083                         if (i != track_views.rend()) {
5084                                 selection->set (*i);
5085                         } else {
5086                                 selection->set (*(track_views.rbegin()));
5087                         }
5088                         break;
5089                 }
5090         }
5091 }
5092
5093 void
5094 Editor::set_loop_from_selection (bool play)
5095 {
5096         if (session == 0 || selection->time.empty()) {
5097                 return;
5098         }
5099
5100         nframes64_t start = selection->time[clicked_selection].start;
5101         nframes64_t end = selection->time[clicked_selection].end;
5102
5103         set_loop_range (start, end,  _("set loop range from selection"));
5104
5105         if (play) {
5106                 session->request_play_loop (true);
5107                 session->request_locate (start, true);
5108         }
5109 }
5110
5111 void
5112 Editor::set_loop_from_edit_range (bool play)
5113 {
5114         if (session == 0) {
5115                 return;
5116         }
5117
5118         nframes64_t start;
5119         nframes64_t end;
5120
5121         if (!get_edit_op_range (start, end)) {
5122                 return;
5123         }
5124
5125         set_loop_range (start, end,  _("set loop range from edit range"));
5126
5127         if (play) {
5128                 session->request_play_loop (true);
5129                 session->request_locate (start, true);
5130         }
5131 }
5132
5133 void
5134 Editor::set_loop_from_region (bool play)
5135 {
5136         nframes64_t start = max_frames;
5137         nframes64_t end = 0;
5138
5139         RegionSelection rs;
5140
5141         get_regions_for_action (rs);
5142
5143         if (rs.empty()) {
5144                 return;
5145         }
5146
5147         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5148                 if ((*i)->region()->position() < start) {
5149                         start = (*i)->region()->position();
5150                 }
5151                 if ((*i)->region()->last_frame() + 1 > end) {
5152                         end = (*i)->region()->last_frame() + 1;
5153                 }
5154         }
5155
5156         set_loop_range (start, end, _("set loop range from region"));
5157
5158         if (play) {
5159                 session->request_play_loop (true);
5160                 session->request_locate (start, true);
5161         }
5162 }
5163
5164 void
5165 Editor::set_punch_from_selection ()
5166 {
5167         if (session == 0 || selection->time.empty()) {
5168                 return;
5169         }
5170
5171         nframes64_t start = selection->time[clicked_selection].start;
5172         nframes64_t end = selection->time[clicked_selection].end;
5173
5174         set_punch_range (start, end,  _("set punch range from selection"));
5175 }
5176
5177 void
5178 Editor::set_punch_from_edit_range ()
5179 {
5180         if (session == 0) {
5181                 return;
5182         }
5183
5184         nframes64_t start;
5185         nframes64_t end;
5186
5187         if (!get_edit_op_range (start, end)) {
5188                 return;
5189         }
5190
5191         set_punch_range (start, end,  _("set punch range from edit range"));
5192 }
5193
5194 void
5195 Editor::set_punch_from_region ()
5196 {
5197         nframes64_t start = max_frames;
5198         nframes64_t end = 0;
5199
5200         RegionSelection rs;
5201
5202         get_regions_for_action (rs);
5203
5204         if (rs.empty()) {
5205                 return;
5206         }
5207
5208         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5209                 if ((*i)->region()->position() < start) {
5210                         start = (*i)->region()->position();
5211                 }
5212                 if ((*i)->region()->last_frame() + 1 > end) {
5213                         end = (*i)->region()->last_frame() + 1;
5214                 }
5215         }
5216
5217         set_punch_range (start, end, _("set punch range from region"));
5218 }
5219
5220 void
5221 Editor::pitch_shift_regions ()
5222 {
5223         RegionSelection rs;
5224
5225         get_regions_for_action (rs);
5226
5227         if (rs.empty()) {
5228                 return;
5229         }
5230
5231         pitch_shift (rs, 1.2);
5232 }
5233
5234 void
5235 Editor::use_region_as_bar ()
5236 {
5237         if (!session) {
5238                 return;
5239         }
5240
5241         RegionSelection rs;
5242
5243         get_regions_for_action (rs);
5244
5245         if (rs.empty()) {
5246                 return;
5247         }
5248
5249         RegionView* rv = rs.front();
5250
5251         define_one_bar (rv->region()->position(), rv->region()->last_frame() + 1);
5252 }
5253
5254 void
5255 Editor::use_range_as_bar ()
5256 {
5257         nframes64_t start, end;
5258         if (get_edit_op_range (start, end)) {
5259                 define_one_bar (start, end);
5260         }
5261 }
5262
5263 void
5264 Editor::define_one_bar (nframes64_t start, nframes64_t end)
5265 {
5266         nframes64_t length = end - start;
5267
5268         const Meter& m (session->tempo_map().meter_at (start));
5269
5270         /* length = 1 bar */
5271
5272         /* now we want frames per beat.
5273            we have frames per bar, and beats per bar, so ...
5274         */
5275
5276         double frames_per_beat = length / m.beats_per_bar();
5277
5278         /* beats per minute = */
5279
5280         double beats_per_minute = (session->frame_rate() * 60.0) / frames_per_beat;
5281
5282         /* now decide whether to:
5283
5284             (a) set global tempo
5285             (b) add a new tempo marker
5286
5287         */
5288
5289         const TempoSection& t (session->tempo_map().tempo_section_at (start));
5290
5291         bool do_global = false;
5292
5293         if ((session->tempo_map().n_tempos() == 1) && (session->tempo_map().n_meters() == 1)) {
5294
5295                 /* only 1 tempo & 1 meter: ask if the user wants to set the tempo
5296                    at the start, or create a new marker
5297                 */
5298
5299                 vector<string> options;
5300                 options.push_back (_("Cancel"));
5301                 options.push_back (_("Add new marker"));
5302                 options.push_back (_("Set global tempo"));
5303                 Choice c (_("Do you want to set the global tempo or add new tempo marker?"),
5304                           options);
5305                 c.set_default_response (2);
5306
5307                 switch (c.run()) {
5308                 case 0:
5309                         return;
5310
5311                 case 2:
5312                         do_global = true;
5313                         break;
5314
5315                 default:
5316                         do_global = false;
5317                 }
5318
5319         } else {
5320
5321                 /* more than 1 tempo and/or meter section already, go ahead do the "usual":
5322                    if the marker is at the region starter, change it, otherwise add
5323                    a new tempo marker
5324                 */
5325         }
5326
5327         begin_reversible_command (_("set tempo from region"));
5328         XMLNode& before (session->tempo_map().get_state());
5329
5330         if (do_global) {
5331                 session->tempo_map().change_initial_tempo (beats_per_minute, t.note_type());
5332         } else if (t.frame() == start) {
5333                 session->tempo_map().change_existing_tempo_at (start, beats_per_minute, t.note_type());
5334         } else {
5335                 session->tempo_map().add_tempo (Tempo (beats_per_minute, t.note_type()), start);
5336         }
5337
5338         XMLNode& after (session->tempo_map().get_state());
5339
5340         session->add_command (new MementoCommand<TempoMap>(session->tempo_map(), &before, &after));
5341         commit_reversible_command ();
5342 }
5343
5344 void
5345 Editor::split_region_at_transients ()
5346 {
5347         AnalysisFeatureList positions;
5348
5349         if (!session) {
5350                 return;
5351         }
5352
5353         RegionSelection rs;
5354
5355         get_regions_for_action (rs);
5356
5357         if (rs.empty()) {
5358                 return;
5359         }
5360
5361         session->begin_reversible_command (_("split regions"));
5362
5363         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ) {
5364
5365                 RegionSelection::iterator tmp;
5366
5367                 tmp = i;
5368                 ++tmp;
5369
5370                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> ((*i)->region());
5371
5372                 if (ar && (ar->get_transients (positions) == 0)) {
5373                         split_region_at_points ((*i)->region(), positions, true);
5374                         positions.clear ();
5375                 }
5376
5377                 i = tmp;
5378         }
5379
5380         session->commit_reversible_command ();
5381
5382 }
5383
5384 void
5385 Editor::split_region_at_points (boost::shared_ptr<Region> r, AnalysisFeatureList& positions, bool can_ferret)
5386 {
5387         boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (r);
5388         bool use_rhythmic_rodent = false;
5389
5390         if (!ar) {
5391                 return;
5392         }
5393
5394         boost::shared_ptr<Playlist> pl = ar->playlist();
5395
5396         if (!pl) {
5397                 return;
5398         }
5399
5400         if (positions.empty()) {
5401                 return;
5402         }
5403
5404
5405         if (positions.size() > 20) {
5406                 Glib::ustring msgstr = string_compose (_("You are about to split\n%1\ninto %2 pieces.\nThis could take a long time."), ar->name(), positions.size() + 1);
5407                 MessageDialog msg (msgstr,
5408                                    false,
5409                                    Gtk::MESSAGE_INFO,
5410                                    Gtk::BUTTONS_OK_CANCEL);
5411
5412                 if (can_ferret) {
5413                         msg.add_button (_("Call for the Ferret!"), RESPONSE_APPLY);
5414                         msg.set_secondary_text (_("Press OK to continue with this split operation\nor ask the Ferret dialog to tune the analysis"));
5415                 } else {
5416                         msg.set_secondary_text (_("Press OK to continue with this split operation"));
5417                 }
5418
5419                 msg.set_title (_("Excessive split?"));
5420                 msg.present ();
5421
5422                 int response = msg.run();
5423                 msg.hide ();
5424                 switch (response) {
5425                 case RESPONSE_OK:
5426                         break;
5427                 case RESPONSE_APPLY:
5428                         use_rhythmic_rodent = true;
5429                         break;
5430                 default:
5431                         return;
5432                 }
5433         }
5434
5435         if (use_rhythmic_rodent) {
5436                 show_rhythm_ferret ();
5437                 return;
5438         }
5439
5440         AnalysisFeatureList::const_iterator x;
5441
5442         nframes64_t pos = ar->position();
5443
5444         XMLNode& before (pl->get_state());
5445
5446         x = positions.begin();
5447
5448         while (x != positions.end()) {
5449                 if ((*x) > pos) {
5450                         break;
5451                 }
5452                 ++x;
5453         }
5454
5455         if (x == positions.end()) {
5456                 return;
5457         }
5458
5459         pl->freeze ();
5460         pl->remove_region (ar);
5461
5462         while (x != positions.end()) {
5463
5464                 /* file start = original start + how far we from the initial position ?
5465                  */
5466
5467                 nframes64_t file_start = ar->start() + (pos - ar->position());
5468
5469                 /* length = next position - current position
5470                  */
5471
5472                 nframes64_t len = (*x) - pos;
5473
5474                 /* XXX we do we really want to allow even single-sample regions?
5475                    shouldn't we have some kind of lower limit on region size?
5476                 */
5477
5478                 if (len <= 0) {
5479                         break;
5480                 }
5481
5482                 string new_name;
5483
5484                 if (session->region_name (new_name, ar->name())) {
5485                         break;
5486                 }
5487
5488                 /* do NOT announce new regions 1 by one, just wait till they are all done */
5489
5490                 boost::shared_ptr<Region> r = RegionFactory::create (ar->get_sources(), file_start, len, new_name, 0, Region::DefaultFlags, false);
5491                 pl->add_region (r, pos);
5492
5493                 pos += len;
5494                 ++x;
5495
5496                 if (*x > ar->last_frame()) {
5497
5498                         /* add final fragment */
5499
5500                         file_start = ar->start() + (pos - ar->position());
5501                         len = ar->last_frame() - pos;
5502
5503                         boost::shared_ptr<Region> r = RegionFactory::create (ar->get_sources(), file_start, len, new_name, 0, Region::DefaultFlags);
5504                         pl->add_region (r, pos);
5505
5506                         break;
5507                 }
5508         }
5509
5510         pl->thaw ();
5511
5512         XMLNode& after (pl->get_state());
5513
5514         session->add_command (new MementoCommand<Playlist>(*pl, &before, &after));
5515 }
5516
5517 void
5518 Editor::tab_to_transient (bool forward)
5519 {
5520         AnalysisFeatureList positions;
5521
5522         if (!session) {
5523                 return;
5524         }
5525
5526         nframes64_t pos = session->audible_frame ();
5527
5528         if (!selection->tracks.empty()) {
5529
5530                 for (TrackSelection::iterator t = selection->tracks.begin(); t != selection->tracks.end(); ++t) {
5531
5532                         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*t);
5533
5534                         if (rtv) {
5535                                 boost::shared_ptr<Diskstream> ds = rtv->get_diskstream();
5536                                 if (ds) {
5537                                         boost::shared_ptr<Playlist> pl = rtv->get_diskstream()->playlist ();
5538                                         if (pl) {
5539                                                 nframes64_t result = pl->find_next_transient (pos, forward ? 1 : -1);
5540
5541                                                 if (result >= 0) {
5542                                                         positions.push_back (result);
5543                                                 }
5544                                         }
5545                                 }
5546                         }
5547                 }
5548
5549         } else {
5550
5551                 RegionSelection rs;
5552
5553                 get_regions_for_action (rs);
5554
5555                 if (rs.empty()) {
5556                         return;
5557                 }
5558
5559                 for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
5560                         (*r)->region()->get_transients (positions);
5561                 }
5562         }
5563
5564         TransientDetector::cleanup_transients (positions, session->frame_rate(), 3.0);
5565
5566         if (forward) {
5567                 AnalysisFeatureList::iterator x;
5568
5569                 for (x = positions.begin(); x != positions.end(); ++x) {
5570                         if ((*x) > pos) {
5571                                 break;
5572                         }
5573                 }
5574
5575                 if (x != positions.end ()) {
5576                         session->request_locate (*x);
5577                 }
5578
5579         } else {
5580                 AnalysisFeatureList::reverse_iterator x;
5581
5582                 for (x = positions.rbegin(); x != positions.rend(); ++x) {
5583                         if ((*x) < pos) {
5584                                 break;
5585                         }
5586                 }
5587
5588                 if (x != positions.rend ()) {
5589                         session->request_locate (*x);
5590                 }
5591         }
5592 }
5593
5594 void
5595 Editor::playhead_forward_to_grid ()
5596 {
5597         if (!session) return;
5598         nframes64_t pos = playhead_cursor->current_frame;
5599         if (pos < max_frames - 1) {
5600                 pos += 2;
5601                 snap_to_internal (pos, 1, false);
5602                 session->request_locate (pos);
5603         }
5604 }
5605
5606
5607 void
5608 Editor::playhead_backward_to_grid ()
5609 {
5610         if (!session) return;
5611         nframes64_t pos = playhead_cursor->current_frame;
5612         if (pos > 2) {
5613                 pos -= 2;
5614                 snap_to_internal (pos, -1, false);
5615                 session->request_locate (pos);
5616         }
5617 }
5618
5619 void
5620 Editor::set_track_height (uint32_t h)
5621 {
5622         TrackSelection& ts (selection->tracks);
5623
5624         if (ts.empty()) {
5625                 return;
5626         }
5627
5628         for (TrackSelection::iterator x = ts.begin(); x != ts.end(); ++x) {
5629                 (*x)->set_height (h);
5630         }
5631 }
5632
5633 void
5634 Editor::set_track_height_largest ()
5635 {
5636         set_track_height (TimeAxisView::hLargest);
5637 }
5638 void
5639 Editor::set_track_height_large ()
5640 {
5641         set_track_height (TimeAxisView::hLarge);
5642 }
5643 void
5644 Editor::set_track_height_larger ()
5645 {
5646         set_track_height (TimeAxisView::hLarger);
5647 }
5648 void
5649 Editor::set_track_height_normal ()
5650 {
5651         set_track_height (TimeAxisView::hNormal);
5652 }
5653 void
5654 Editor::set_track_height_smaller ()
5655 {
5656         set_track_height (TimeAxisView::hSmaller);
5657 }
5658 void
5659 Editor::set_track_height_small ()
5660 {
5661         set_track_height (TimeAxisView::hSmall);
5662 }
5663
5664 void
5665 Editor::toggle_tracks_active ()
5666 {
5667         TrackSelection& ts (selection->tracks);
5668         bool first = true;
5669         bool target = false;
5670
5671         if (ts.empty()) {
5672                 return;
5673         }
5674
5675         for (TrackSelection::iterator x = ts.begin(); x != ts.end(); ++x) {
5676                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*x);
5677
5678                 if (rtv) {
5679                         if (first) {
5680                                 target = !rtv->_route->active();
5681                                 first = false;
5682                         }
5683                         rtv->_route->set_active (target);
5684                 }
5685         }
5686 }
5687
5688 void
5689 Editor::remove_tracks ()
5690 {
5691         TrackSelection& ts (selection->tracks);
5692
5693         if (ts.empty()) {
5694                 return;
5695         }
5696
5697         vector<string> choices;
5698         string prompt;
5699         int ntracks = 0;
5700         int nbusses = 0;
5701         const char* trackstr;
5702         const char* busstr;
5703         vector<boost::shared_ptr<Route> > routes;
5704
5705         for (TrackSelection::iterator x = ts.begin(); x != ts.end(); ++x) {
5706                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*x);
5707                 if (rtv) {
5708                         if (rtv->is_track()) {
5709                                 ntracks++;
5710                         } else {
5711                                 nbusses++;
5712                         }
5713                 }
5714                 routes.push_back (rtv->_route);
5715         }
5716
5717         if (ntracks + nbusses == 0) {
5718                 return;
5719         }
5720
5721         if (ntracks > 1) {
5722                 trackstr = _("tracks");
5723         } else {
5724                 trackstr = _("track");
5725         }
5726
5727         if (nbusses > 1) {
5728                 busstr = _("busses");
5729         } else {
5730                 busstr = _("bus");
5731         }
5732
5733         if (ntracks) {
5734                 if (nbusses) {
5735                         prompt  = string_compose (_("Do you really want to remove %1 %2 and %3 %4?\n"
5736                                                     "(You may also lose the playlists associated with the %2)\n\n"
5737                                                     "This action cannot be undone!"),
5738                                                   ntracks, trackstr, nbusses, busstr);
5739                 } else {
5740                         prompt  = string_compose (_("Do you really want to remove %1 %2?\n"
5741                                                     "(You may also lose the playlists associated with the %2)\n\n"
5742                                                     "This action cannot be undone!"),
5743                                                   ntracks, trackstr);
5744                 }
5745         } else if (nbusses) {
5746                 prompt  = string_compose (_("Do you really want to remove %1 %2?"),
5747                                           nbusses, busstr);
5748         }
5749
5750         choices.push_back (_("No, do nothing."));
5751         if (ntracks + nbusses > 1) {
5752                 choices.push_back (_("Yes, remove them."));
5753         } else {
5754                 choices.push_back (_("Yes, remove it."));
5755         }
5756
5757         Choice prompter (prompt, choices);
5758
5759         if (prompter.run () != 1) {
5760                 return;
5761         }
5762
5763         for (vector<boost::shared_ptr<Route> >::iterator x = routes.begin(); x != routes.end(); ++x) {
5764                 session->remove_route (*x);
5765         }
5766 }
5767
5768 void
5769 Editor::set_waveform_scale (WaveformScale ws)
5770 {
5771         TrackSelection& ts (selection->tracks);
5772
5773         if (ts.empty()) {
5774                 return;
5775         }
5776
5777         for (TrackSelection::iterator x = ts.begin(); x != ts.end(); ++x) {
5778                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (*x);
5779                 if (atv) {
5780                         atv->set_waveform_scale (ws);
5781                 }
5782         }
5783 }
5784
5785 void
5786 Editor::do_insert_time ()
5787 {
5788         if (selection->tracks.empty()) {
5789                 return;
5790         }
5791
5792         nframes64_t pos = get_preferred_edit_position ();
5793         ArdourDialog d (*this, _("Insert Time"));
5794         VButtonBox button_box;
5795         VBox option_box;
5796         RadioButtonGroup group;
5797         RadioButton leave_button (group, _("Stay in position"));
5798         RadioButton move_button (group, _("Move"));
5799         RadioButton split_button (group, _("Split & Later Section Moves"));
5800         Label intersect_option_label (_("Intersected regions should:"));
5801         CheckButton glue_button (_("Move Glued Regions"));
5802         CheckButton marker_button (_("Move Markers"));
5803         AudioClock clock ("insertTimeClock", true, X_("InsertTimeClock"), true, true, true);
5804         HBox clock_box;
5805
5806         clock.set (0);
5807         clock.set_session (session);
5808         clock.set_bbt_reference (pos);
5809
5810         clock_box.pack_start (clock, false, true);
5811
5812         option_box.set_spacing (6);
5813         option_box.pack_start (intersect_option_label, false, false);
5814         option_box.pack_start (button_box, false, false);
5815         option_box.pack_start (glue_button, false, false);
5816         option_box.pack_start (marker_button, false, false);
5817
5818         button_box.pack_start (leave_button, false, false);
5819         button_box.pack_start (move_button, false, false);
5820         button_box.pack_start (split_button, false, false);
5821
5822         d.get_vbox()->set_border_width (12);
5823         d.get_vbox()->pack_start (clock_box, false, false);
5824         d.get_vbox()->pack_start (option_box, false, false);
5825
5826         leave_button.show ();
5827         move_button.show ();
5828         split_button.show ();
5829         intersect_option_label.show ();
5830         option_box.show ();
5831         button_box.show ();
5832         glue_button.show ();
5833         clock.show_all();
5834         clock_box.show ();
5835         marker_button.show ();
5836
5837         d.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
5838         d.add_button (Gtk::Stock::OK, Gtk::RESPONSE_OK);
5839         d.show ();
5840
5841         int response = d.run ();
5842
5843         if (response != RESPONSE_OK) {
5844                 return;
5845         }
5846
5847         nframes64_t distance = clock.current_duration (pos);
5848
5849         if (distance == 0) {
5850                 return;
5851         }
5852
5853         InsertTimeOption opt;
5854
5855         if (leave_button.get_active()) {
5856                 opt = LeaveIntersected;
5857         } else if (move_button.get_active()) {
5858                 opt = MoveIntersected;
5859         } else {
5860                 opt = SplitIntersected;
5861         }
5862
5863         insert_time (pos, distance, opt, glue_button.get_active(), marker_button.get_active());
5864 }
5865
5866 void
5867 Editor::insert_time (nframes64_t pos, nframes64_t frames, InsertTimeOption opt,
5868                      bool ignore_music_glue, bool markers_too)
5869 {
5870         bool commit = false;
5871
5872         if (Config->get_edit_mode() == Lock) {
5873                 return;
5874         }
5875
5876         begin_reversible_command (_("insert time"));
5877
5878         for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
5879                 boost::shared_ptr<Playlist> pl = (*x)->playlist();
5880
5881                 if (!pl) {
5882                         continue;
5883                 }
5884
5885                 XMLNode &before = pl->get_state();
5886
5887                 if (opt == SplitIntersected) {
5888                         pl->split (pos);
5889                 }
5890
5891                 pl->shift (pos, frames, (opt == MoveIntersected), ignore_music_glue);
5892
5893                 XMLNode &after = pl->get_state();
5894
5895                 session->add_command (new MementoCommand<Playlist> (*pl, &before, &after));
5896                 commit = true;
5897         }
5898
5899         if (markers_too) {
5900                 bool moved = false;
5901                 XMLNode& before (session->locations()->get_state());
5902                 Locations::LocationList copy (session->locations()->list());
5903
5904                 for (Locations::LocationList::iterator i = copy.begin(); i != copy.end(); ++i) {
5905
5906                         Locations::LocationList::const_iterator tmp;
5907
5908                         if ((*i)->start() >= pos) {
5909                                 (*i)->set_start ((*i)->start() + frames);
5910                                 if (!(*i)->is_mark()) {
5911                                         (*i)->set_end ((*i)->end() + frames);
5912                                 }
5913                                 moved = true;
5914                         }
5915                 }
5916
5917                 if (moved) {
5918                         XMLNode& after (session->locations()->get_state());
5919                         session->add_command (new MementoCommand<Locations>(*session->locations(), &before, &after));
5920                 }
5921         }
5922
5923         if (commit) {
5924                 commit_reversible_command ();
5925         }
5926 }
5927
5928 void
5929 Editor::fit_tracks ()
5930 {
5931         if (selection->tracks.empty()) {
5932                 return;
5933         }
5934
5935         uint32_t child_heights = 0;
5936
5937         for (TrackSelection::iterator t = selection->tracks.begin(); t != selection->tracks.end(); ++t) {
5938
5939                 if (!(*t)->marked_for_display()) {
5940                         continue;
5941                 }
5942
5943                 child_heights += ((*t)->effective_height - (*t)->current_height());
5944         }
5945
5946         uint32_t h = (uint32_t) floor ((canvas_height - child_heights)/selection->tracks.size());
5947         double first_y_pos = DBL_MAX;
5948
5949         undo_visual_stack.push_back (current_visual_state());
5950
5951         for (TrackSelection::iterator t = selection->tracks.begin(); t != selection->tracks.end(); ++t) {
5952                 (*t)->set_height (h);
5953                 first_y_pos = std::min ((*t)->y_position, first_y_pos);
5954         }
5955
5956
5957         vertical_adjustment.set_value (first_y_pos);
5958
5959         redo_visual_stack.push_back (current_visual_state());
5960 }
5961
5962 void
5963 Editor::save_visual_state (uint32_t n)
5964 {
5965         while (visual_states.size() <= n) {
5966                 visual_states.push_back (0);
5967         }
5968
5969         if (visual_states[n] != 0) {
5970                 delete visual_states[n];
5971         }
5972
5973         visual_states[n] = current_visual_state (true);
5974         gdk_beep ();
5975 }
5976
5977 void
5978 Editor::goto_visual_state (uint32_t n)
5979 {
5980         if (visual_states.size() <= n) {
5981                 return;
5982         }
5983
5984         if (visual_states[n] == 0) {
5985                 return;
5986         }
5987
5988         use_visual_state (*visual_states[n]);
5989 }
5990
5991 void
5992 Editor::start_visual_state_op (uint32_t n)
5993 {
5994         cerr << "Start\n";
5995         if (visual_state_op_connection.empty()) {
5996                 cerr << "\tqueue\n";
5997                 visual_state_op_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::end_visual_state_op), n), 1000);
5998         }
5999 }
6000
6001 void
6002 Editor::cancel_visual_state_op (uint32_t n)
6003 {
6004         cerr << "Cancel\n";
6005         if (!visual_state_op_connection.empty()) {
6006                 cerr << "\tgoto\n";
6007                 visual_state_op_connection.disconnect();
6008                 goto_visual_state (n);
6009         }
6010 }
6011
6012 bool
6013 Editor::end_visual_state_op (uint32_t n)
6014 {
6015         visual_state_op_connection.disconnect();
6016         save_visual_state (n);
6017
6018         PopUp* pup = new PopUp (WIN_POS_MOUSE, 1000, true);
6019         char buf[32];
6020         snprintf (buf, sizeof (buf), _("Saved view %u"), n+1);
6021         pup->set_text (buf);
6022         pup->touch();
6023
6024         return false; // do not call again
6025 }