gtk2_ardour/editor_ops.cc

   1 /*
   2     Copyright (C) 2000-2004 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 /* Note: public Editor methods are documented in public_editor.h */
  21
  22 #include <unistd.h>
  23
  24 #include <cstdlib>
  25 #include <cmath>
  26 #include <string>
  27 #include <map>
  28 #include <set>
  29
  30 #include <pbd/error.h>
  31 #include <pbd/basename.h>
  32 #include <pbd/pthread_utils.h>
  33 #include <pbd/memento_command.h>
  34 #include <pbd/whitespace.h>
  35
  36 #include <gtkmm2ext/utils.h>
  37 #include <gtkmm2ext/choice.h>
  38 #include <gtkmm2ext/window_title.h>
  39 #include <gtkmm2ext/popup.h>
  40
  41
  42 #include <ardour/audioengine.h>
  43 #include <ardour/session.h>
  44 #include <ardour/audioplaylist.h>
  45 #include <ardour/audioregion.h>
  46 #include <ardour/audio_diskstream.h>
  47 #include <ardour/utils.h>
  48 #include <ardour/location.h>
  49 #include <ardour/named_selection.h>
  50 #include <ardour/audio_track.h>
  51 #include <ardour/audiofilesource.h>
  52 #include <ardour/audioplaylist.h>
  53 #include <ardour/region_factory.h>
  54 #include <ardour/playlist_factory.h>
  55 #include <ardour/reverse.h>
  56 #include <ardour/transient_detector.h>
  57 #include <ardour/dB.h>
  58 #include <ardour/quantize.h>
  59
  60 #include "ardour_ui.h"
  61 #include "editor.h"
  62 #include "time_axis_view.h"
  63 #include "route_time_axis.h"
  64 #include "audio_time_axis.h"
  65 #include "automation_time_axis.h"
  66 #include "streamview.h"
  67 #include "audio_streamview.h"
  68 #include "audio_region_view.h"
  69 #include "midi_region_view.h"
  70 #include "rgb_macros.h"
  71 #include "selection_templates.h"
  72 #include "selection.h"
  73 #include "editing.h"
  74 #include "gtk-custom-hruler.h"
  75 #include "gui_thread.h"
  76 #include "keyboard.h"
  77 #include "utils.h"
  78
  79 #include "i18n.h"
  80
  81 using namespace std;
  82 using namespace ARDOUR;
  83 using namespace PBD;
  84 using namespace sigc;
  85 using namespace Gtk;
  86 using namespace Gtkmm2ext;
  87 using namespace Editing;
  88
  89 /***********************************************************************
  90   Editor operations
  91  ***********************************************************************/
  92
  93 void
  94 Editor::undo (uint32_t n)
  95 {
  96         if (session) {
  97                 session->undo (n);
  98         }
  99 }
 100
 101 void
 102 Editor::redo (uint32_t n)
 103 {
 104         if (session) {
 105                 session->redo (n);
 106         }
 107 }
 108
 109 void
 110 Editor::split_region ()
 111 {
 112         split_region_at (get_preferred_edit_position());
 113 }
 114
 115 void
 116 Editor::split_region_at (nframes64_t where)
 117 {
 118         RegionSelection rs;
 119
 120         get_regions_for_action (rs);
 121         split_regions_at (where, selection->regions);
 122 }
 123
 124 void
 125 Editor::split_regions_at (nframes64_t where, RegionSelection& regions)
 126 {
 127         list <boost::shared_ptr<Playlist > > used_playlists;
 128
 129         if (regions.empty()) {
 130                 return;
 131         }
 132
 133         begin_reversible_command (_("split"));
 134
 135         // if splitting a single region, and snap-to is using
 136         // region boundaries, don't pay attention to them
 137
 138         if (regions.size() == 1) {
 139                 switch (snap_type) {
 140                 case SnapToRegionStart:
 141                 case SnapToRegionSync:
 142                 case SnapToRegionEnd:
 143                         break;
 144                 default:
 145                         snap_to (where);
 146                 }
 147         } else {
 148                 snap_to (where);
 149         }
 150
 151         cerr << "Split " << regions.size() << " at " << where << endl;
 152
 153         for (RegionSelection::iterator a = regions.begin(); a != regions.end(); ) {
 154
 155                 RegionSelection::iterator tmp;
 156
 157                 /* XXX this test needs to be more complicated, to make sure we really
 158                    have something to split.
 159                 */
 160
 161                 if (!(*a)->region()->covers (where)) {
 162                         ++a;
 163                         continue;
 164                 }
 165
 166                 tmp = a;
 167                 ++tmp;
 168
 169                 boost::shared_ptr<Playlist> pl = (*a)->region()->playlist();
 170
 171                 if (! pl->frozen()) {
 172                         /* we haven't seen this playlist before */
 173
 174                         /* remember used playlists so we can thaw them later */
 175                         used_playlists.push_back(pl);
 176                         pl->freeze();
 177                 }
 178
 179                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*a);
 180
 181                 if (arv) {
 182                         _new_regionviews_show_envelope = arv->envelope_visible();
 183                 }
 184
 185                 if (pl) {
 186                         XMLNode &before = pl->get_state();
 187                         pl->split_region ((*a)->region(), where);
 188                         XMLNode &after = pl->get_state();
 189                         session->add_command(new MementoCommand<Playlist>(*pl, &before, &after));
 190                 }
 191
 192                 a = tmp;
 193         }
 194         while (used_playlists.size() > 0) {
 195
 196                 list <boost::shared_ptr<Playlist > >::iterator i = used_playlists.begin();
 197                 (*i)->thaw();
 198                 used_playlists.pop_front();
 199         }
 200         commit_reversible_command ();
 201         _new_regionviews_show_envelope = false;
 202 }
 203
 204
 205 /** Remove `clicked_regionview' */
 206 void
 207 Editor::remove_clicked_region ()
 208 {
 209         if (clicked_routeview == 0 || clicked_regionview == 0) {
 210                 return;
 211         }
 212
 213         boost::shared_ptr<Playlist> playlist = clicked_routeview->playlist();
 214
 215         begin_reversible_command (_("remove region"));
 216         XMLNode &before = playlist->get_state();
 217         playlist->remove_region (clicked_regionview->region());
 218         XMLNode &after = playlist->get_state();
 219         session->add_command(new MementoCommand<Playlist>(*playlist, &before, &after));
 220         commit_reversible_command ();
 221 }
 222
 223
 224 /** Remove the selected regions */
 225 void
 226 Editor::remove_selected_regions ()
 227 {
 228         RegionSelection rs;
 229         get_regions_for_action (rs);
 230
 231         if (!session) {
 232                 return;
 233         }
 234
 235         if (rs.empty()) {
 236                 return;
 237         }
 238
 239         begin_reversible_command (_("remove region"));
 240
 241         list<boost::shared_ptr<Region> > regions_to_remove;
 242
 243         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
 244                 // we can't just remove the region(s) in this loop because
 245                 // this removes them from the RegionSelection, and they thus
 246                 // disappear from underneath the iterator, and the ++i above
 247                 // SEGVs in a puzzling fashion.
 248
 249                 // so, first iterate over the regions to be removed from rs and
 250                 // add them to the regions_to_remove list, and then
 251                 // iterate over the list to actually remove them.
 252
 253                 regions_to_remove.push_back ((*i)->region());
 254         }
 255
 256         for (list<boost::shared_ptr<Region> >::iterator rl = regions_to_remove.begin(); rl != regions_to_remove.end(); ++rl) {
 257                 boost::shared_ptr<Playlist> playlist = (*rl)->playlist();
 258                 if (!playlist) {
 259                         // is this check necessary?
 260                         continue;
 261                 }
 262
 263                 XMLNode &before = playlist->get_state();
 264                 playlist->remove_region (*rl);
 265                 XMLNode &after = playlist->get_state();
 266                 session->add_command(new MementoCommand<Playlist>(*playlist, &before, &after));
 267         }
 268
 269         commit_reversible_command ();
 270 }
 271
 272 boost::shared_ptr<Region>
 273 Editor::select_region_for_operation (int dir, TimeAxisView **tv)
 274 {
 275         RegionView* rv;
 276         boost::shared_ptr<Region> region;
 277         nframes64_t start = 0;
 278
 279         if (selection->time.start () == selection->time.end_frame ()) {
 280
 281                 /* no current selection-> is there a selected regionview? */
 282
 283                 if (selection->regions.empty()) {
 284                         return region;
 285                 }
 286
 287         }
 288
 289         if (!selection->regions.empty()) {
 290
 291                 rv = *(selection->regions.begin());
 292                 (*tv) = &rv->get_time_axis_view();
 293                 region = rv->region();
 294
 295         } else if (!selection->tracks.empty()) {
 296
 297                 (*tv) = selection->tracks.front();
 298
 299                 RouteTimeAxisView* rtv;
 300
 301                 if ((rtv = dynamic_cast<RouteTimeAxisView*> (*tv)) != 0) {
 302                         boost::shared_ptr<Playlist> pl;
 303
 304                         if ((pl = rtv->playlist()) == 0) {
 305                                 return region;
 306                         }
 307
 308                         region = pl->top_region_at (start);
 309                 }
 310         }
 311
 312         return region;
 313 }
 314
 315 void
 316 Editor::extend_selection_to_end_of_region (bool next)
 317 {
 318         TimeAxisView *tv;
 319         boost::shared_ptr<Region> region;
 320         nframes64_t start;
 321
 322         if ((region = select_region_for_operation (next ? 1 : 0, &tv)) == 0) {
 323                 return;
 324         }
 325
 326         if (region && selection->time.start () == selection->time.end_frame ()) {
 327                 start = region->position();
 328         } else {
 329                 start = selection->time.start ();
 330         }
 331
 332         /* Try to leave the selection with the same route if possible */
 333
 334         if ((tv = selection->time.track) == 0) {
 335                 return;
 336         }
 337
 338         begin_reversible_command (_("extend selection"));
 339         selection->set (tv, start, region->position() + region->length());
 340         commit_reversible_command ();
 341 }
 342
 343 void
 344 Editor::extend_selection_to_start_of_region (bool previous)
 345 {
 346         TimeAxisView *tv;
 347         boost::shared_ptr<Region> region;
 348         nframes64_t end;
 349
 350         if ((region = select_region_for_operation (previous ? -1 : 0, &tv)) == 0) {
 351                 return;
 352         }
 353
 354         if (region && selection->time.start () == selection->time.end_frame ()) {
 355                 end = region->position() + region->length();
 356         } else {
 357                 end = selection->time.end_frame ();
 358         }
 359
 360         /* Try to leave the selection with the same route if possible */
 361
 362         if ((tv = selection->time.track) == 0) {
 363                 return;
 364         }
 365
 366         begin_reversible_command (_("extend selection"));
 367         selection->set (tv, region->position(), end);
 368         commit_reversible_command ();
 369 }
 370
 371 bool
 372 Editor::nudge_forward_release (GdkEventButton* ev)
 373 {
 374         if (ev->state & Keyboard::PrimaryModifier) {
 375                 nudge_forward (false, true);
 376         } else {
 377                 nudge_forward (false, false);
 378         }
 379         return false;
 380 }
 381
 382 bool
 383 Editor::nudge_backward_release (GdkEventButton* ev)
 384 {
 385         if (ev->state & Keyboard::PrimaryModifier) {
 386                 nudge_backward (false, true);
 387         } else {
 388                 nudge_backward (false, false);
 389         }
 390         return false;
 391 }
 392
 393
 394 void
 395 Editor::nudge_forward (bool next, bool force_playhead)
 396 {
 397         nframes64_t distance;
 398         nframes64_t next_distance;
 399         RegionSelection rs;
 400
 401         get_regions_for_action (rs);
 402
 403         if (!session) return;
 404
 405         if (!force_playhead && !rs.empty()) {
 406
 407                 begin_reversible_command (_("nudge regions forward"));
 408
 409                 for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
 410                         boost::shared_ptr<Region> r ((*i)->region());
 411
 412                         distance = get_nudge_distance (r->position(), next_distance);
 413
 414                         if (next) {
 415                                 distance = next_distance;
 416                         }
 417
 418                         XMLNode &before = r->playlist()->get_state();
 419                         r->set_position (r->position() + distance, this);
 420                         XMLNode &after = r->playlist()->get_state();
 421                         session->add_command (new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
 422                 }
 423
 424                 commit_reversible_command ();
 425
 426
 427         } else if (!force_playhead && !selection->markers.empty()) {
 428
 429                 bool is_start;
 430
 431                 begin_reversible_command (_("nudge location forward"));
 432
 433                 for (MarkerSelection::iterator i = selection->markers.begin(); i != selection->markers.end(); ++i) {
 434
 435                         Location* loc = find_location_from_marker ((*i), is_start);
 436
 437                         if (loc) {
 438
 439                                 XMLNode& before (loc->get_state());
 440
 441                                 if (is_start) {
 442                                         distance = get_nudge_distance (loc->start(), next_distance);
 443                                         if (next) {
 444                                                 distance = next_distance;
 445                                         }
 446                                         if (max_frames - distance > loc->start() + loc->length()) {
 447                                                 loc->set_start (loc->start() + distance);
 448                                         } else {
 449                                                 loc->set_start (max_frames - loc->length());
 450                                         }
 451                                 } else {
 452                                         distance = get_nudge_distance (loc->end(), next_distance);
 453                                         if (next) {
 454                                                 distance = next_distance;
 455                                         }
 456                                         if (max_frames - distance > loc->end()) {
 457                                                 loc->set_end (loc->end() + distance);
 458                                         } else {
 459                                                 loc->set_end (max_frames);
 460                                         }
 461                                 }
 462                                 XMLNode& after (loc->get_state());
 463                                 session->add_command (new MementoCommand<Location>(*loc, &before, &after));
 464                         }
 465                 }
 466
 467                 commit_reversible_command ();
 468
 469         } else {
 470                 distance = get_nudge_distance (playhead_cursor->current_frame, next_distance);
 471                 session->request_locate (playhead_cursor->current_frame + distance);
 472         }
 473 }
 474
 475 void
 476 Editor::nudge_backward (bool next, bool force_playhead)
 477 {
 478         nframes64_t distance;
 479         nframes64_t next_distance;
 480         RegionSelection rs;
 481
 482         get_regions_for_action (rs);
 483
 484         if (!session) return;
 485
 486         if (!force_playhead && !rs.empty()) {
 487
 488                 begin_reversible_command (_("nudge regions backward"));
 489
 490                 for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
 491                         boost::shared_ptr<Region> r ((*i)->region());
 492
 493                         distance = get_nudge_distance (r->position(), next_distance);
 494
 495                         if (next) {
 496                                 distance = next_distance;
 497                         }
 498
 499                         XMLNode &before = r->playlist()->get_state();
 500
 501                         if (r->position() > distance) {
 502                                 r->set_position (r->position() - distance, this);
 503                         } else {
 504                                 r->set_position (0, this);
 505                         }
 506                         XMLNode &after = r->playlist()->get_state();
 507                         session->add_command(new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
 508                 }
 509
 510                 commit_reversible_command ();
 511
 512         } else if (!force_playhead && !selection->markers.empty()) {
 513
 514                 bool is_start;
 515
 516                 begin_reversible_command (_("nudge location forward"));
 517
 518                 for (MarkerSelection::iterator i = selection->markers.begin(); i != selection->markers.end(); ++i) {
 519
 520                         Location* loc = find_location_from_marker ((*i), is_start);
 521
 522                         if (loc) {
 523
 524                                 XMLNode& before (loc->get_state());
 525
 526                                 if (is_start) {
 527                                         distance = get_nudge_distance (loc->start(), next_distance);
 528                                         if (next) {
 529                                                 distance = next_distance;
 530                                         }
 531                                         if (distance < loc->start()) {
 532                                                 loc->set_start (loc->start() - distance);
 533                                         } else {
 534                                                 loc->set_start (0);
 535                                         }
 536                                 } else {
 537                                         distance = get_nudge_distance (loc->end(), next_distance);
 538
 539                                         if (next) {
 540                                                 distance = next_distance;
 541                                         }
 542
 543                                         if (distance < loc->end() - loc->length()) {
 544                                                 loc->set_end (loc->end() - distance);
 545                                         } else {
 546                                                 loc->set_end (loc->length());
 547                                         }
 548                                 }
 549
 550                                 XMLNode& after (loc->get_state());
 551                                 session->add_command (new MementoCommand<Location>(*loc, &before, &after));
 552                         }
 553                 }
 554
 555                 commit_reversible_command ();
 556
 557         } else {
 558
 559                 distance = get_nudge_distance (playhead_cursor->current_frame, next_distance);
 560
 561                 if (playhead_cursor->current_frame > distance) {
 562                         session->request_locate (playhead_cursor->current_frame - distance);
 563                 } else {
 564                         session->goto_start();
 565                 }
 566         }
 567 }
 568
 569 void
 570 Editor::nudge_forward_capture_offset ()
 571 {
 572         nframes64_t distance;
 573         RegionSelection rs;
 574
 575         get_regions_for_action (rs);
 576
 577         if (!session) return;
 578
 579         if (!rs.empty()) {
 580
 581                 begin_reversible_command (_("nudge forward"));
 582
 583                 distance = session->worst_output_latency();
 584
 585                 for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
 586                         boost::shared_ptr<Region> r ((*i)->region());
 587
 588                         XMLNode &before = r->playlist()->get_state();
 589                         r->set_position (r->position() + distance, this);
 590                         XMLNode &after = r->playlist()->get_state();
 591                         session->add_command(new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
 592                 }
 593
 594                 commit_reversible_command ();
 595
 596         }
 597 }
 598
 599 void
 600 Editor::nudge_backward_capture_offset ()
 601 {
 602         nframes64_t distance;
 603         RegionSelection rs;
 604
 605         get_regions_for_action (rs);
 606
 607         if (!session) return;
 608
 609         if (!rs.empty()) {
 610
 611                 begin_reversible_command (_("nudge forward"));
 612
 613                 distance = session->worst_output_latency();
 614
 615                 for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
 616                         boost::shared_ptr<Region> r ((*i)->region());
 617
 618                         XMLNode &before = r->playlist()->get_state();
 619
 620                         if (r->position() > distance) {
 621                                 r->set_position (r->position() - distance, this);
 622                         } else {
 623                                 r->set_position (0, this);
 624                         }
 625                         XMLNode &after = r->playlist()->get_state();
 626                         session->add_command(new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
 627                 }
 628
 629                 commit_reversible_command ();
 630         }
 631 }
 632
 633 /* DISPLAY MOTION */
 634
 635 void
 636 Editor::move_to_start ()
 637 {
 638         session->goto_start ();
 639 }
 640
 641 void
 642 Editor::move_to_end ()
 643 {
 644
 645         session->request_locate (session->current_end_frame());
 646 }
 647
 648 void
 649 Editor::build_region_boundary_cache ()
 650 {
 651         nframes64_t pos = 0;
 652         vector<RegionPoint> interesting_points;
 653         boost::shared_ptr<Region> r;
 654         TrackViewList tracks;
 655         bool at_end = false;
 656
 657         region_boundary_cache.clear ();
 658
 659         if (session == 0) {
 660                 return;
 661         }
 662
 663         switch (snap_type) {
 664         case SnapToRegionStart:
 665                 interesting_points.push_back (Start);
 666                 break;
 667         case SnapToRegionEnd:
 668                 interesting_points.push_back (End);
 669                 break;
 670         case SnapToRegionSync:
 671                 interesting_points.push_back (SyncPoint);
 672                 break;
 673         case SnapToRegionBoundary:
 674                 interesting_points.push_back (Start);
 675                 interesting_points.push_back (End);
 676                 break;
 677         default:
 678                 fatal << string_compose (_("build_region_boundary_cache called with snap_type = %1"), snap_type) << endmsg;
 679                 /*NOTREACHED*/
 680                 return;
 681         }
 682
 683         TimeAxisView *ontrack = 0;
 684         TrackViewList tlist;
 685
 686         if (!selection->tracks.empty()) {
 687                 tlist = selection->tracks;
 688         } else {
 689                 tlist = track_views;
 690         }
 691
 692         while (pos < session->current_end_frame() && !at_end) {
 693
 694                 nframes64_t rpos;
 695                 nframes64_t lpos = max_frames;
 696
 697                 for (vector<RegionPoint>::iterator p = interesting_points.begin(); p != interesting_points.end(); ++p) {
 698
 699                         if ((r = find_next_region (pos, *p, 1, tlist, &ontrack)) == 0) {
 700                                 if (*p == interesting_points.back()) {
 701                                         at_end = true;
 702                                 }
 703                                 /* move to next point type */
 704                                 continue;
 705                         }
 706
 707                         switch (*p) {
 708                         case Start:
 709                                 rpos = r->first_frame();
 710                                 break;
 711
 712                         case End:
 713                                 rpos = r->last_frame();
 714                                 break;
 715
 716                         case SyncPoint:
 717                                 rpos = r->adjust_to_sync (r->first_frame());
 718                                 break;
 719
 720                         default:
 721                                 break;
 722                         }
 723
 724                         float speed = 1.0f;
 725                         RouteTimeAxisView *rtav;
 726
 727                         if (ontrack != 0 && (rtav = dynamic_cast<RouteTimeAxisView*>(ontrack)) != 0 ) {
 728                                 if (rtav->get_diskstream() != 0) {
 729                                         speed = rtav->get_diskstream()->speed();
 730                                 }
 731                         }
 732
 733                         rpos = track_frame_to_session_frame (rpos, speed);
 734
 735                         if (rpos < lpos) {
 736                                 lpos = rpos;
 737                         }
 738
 739                         /* prevent duplicates, but we don't use set<> because we want to be able
 740                            to sort later.
 741                         */
 742
 743                         vector<nframes64_t>::iterator ri;
 744
 745                         for (ri = region_boundary_cache.begin(); ri != region_boundary_cache.end(); ++ri) {
 746                                 if (*ri == rpos) {
 747                                         break;
 748                                 }
 749                         }
 750
 751                         if (ri == region_boundary_cache.end()) {
 752                                 region_boundary_cache.push_back (rpos);
 753                         }
 754                 }
 755
 756                 pos = lpos + 1;
 757         }
 758
 759         /* finally sort to be sure that the order is correct */
 760
 761         sort (region_boundary_cache.begin(), region_boundary_cache.end());
 762 }
 763
 764 boost::shared_ptr<Region>
 765 Editor::find_next_region (nframes64_t frame, RegionPoint point, int32_t dir, TrackViewList& tracks, TimeAxisView **ontrack)
 766 {
 767         TrackViewList::iterator i;
 768         nframes64_t closest = max_frames;
 769         boost::shared_ptr<Region> ret;
 770         nframes64_t rpos = 0;
 771
 772         float track_speed;
 773         nframes64_t track_frame;
 774         RouteTimeAxisView *rtav;
 775
 776         for (i = tracks.begin(); i != tracks.end(); ++i) {
 777
 778                 nframes64_t distance;
 779                 boost::shared_ptr<Region> r;
 780
 781                 track_speed = 1.0f;
 782                 if ( (rtav = dynamic_cast<RouteTimeAxisView*>(*i)) != 0 ) {
 783                         if (rtav->get_diskstream()!=0)
 784                                 track_speed = rtav->get_diskstream()->speed();
 785                 }
 786
 787                 track_frame = session_frame_to_track_frame(frame, track_speed);
 788
 789                 if ((r = (*i)->find_next_region (track_frame, point, dir)) == 0) {
 790                         continue;
 791                 }
 792
 793                 switch (point) {
 794                 case Start:
 795                         rpos = r->first_frame ();
 796                         break;
 797
 798                 case End:
 799                         rpos = r->last_frame ();
 800                         break;
 801
 802                 case SyncPoint:
 803                         rpos = r->adjust_to_sync (r->first_frame());
 804                         break;
 805                 }
 806
 807                 // rpos is a "track frame", converting it to "session frame"
 808                 rpos = track_frame_to_session_frame(rpos, track_speed);
 809
 810                 if (rpos > frame) {
 811                         distance = rpos - frame;
 812                 } else {
 813                         distance = frame - rpos;
 814                 }
 815
 816                 if (distance < closest) {
 817                         closest = distance;
 818                         if (ontrack != 0)
 819                                 *ontrack = (*i);
 820                         ret = r;
 821                 }
 822         }
 823
 824         return ret;
 825 }
 826
 827 nframes64_t
 828 Editor::find_next_region_boundary (nframes64_t pos, int32_t dir, const TrackViewList& tracks)
 829 {
 830         nframes64_t distance = max_frames;
 831         nframes64_t current_nearest = -1;
 832
 833         for (TrackViewList::const_iterator i = tracks.begin(); i != tracks.end(); ++i) {
 834                 nframes64_t contender;
 835                 nframes64_t d;
 836
 837                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*i);
 838
 839                 if (!rtv) {
 840                         continue;
 841                 }
 842
 843                 if ((contender = rtv->find_next_region_boundary (pos, dir)) < 0) {
 844                         continue;
 845                 }
 846
 847                 d = ::llabs (pos - contender);
 848
 849                 if (d < distance) {
 850                         current_nearest = contender;
 851                         distance = d;
 852                 }
 853         }
 854
 855         return current_nearest;
 856 }
 857
 858 void
 859 Editor::cursor_to_region_boundary (Cursor* cursor, int32_t dir)
 860 {
 861         nframes64_t pos = cursor->current_frame;
 862         nframes64_t target;
 863
 864         if (!session) {
 865                 return;
 866         }
 867
 868         // so we don't find the current region again..
 869         if (dir > 0 || pos > 0) {
 870                 pos += dir;
 871         }
 872
 873         if (!selection->tracks.empty()) {
 874
 875                 target = find_next_region_boundary (pos, dir, selection->tracks);
 876
 877         } else {
 878
 879                 target = find_next_region_boundary (pos, dir, track_views);
 880         }
 881
 882         if (target < 0) {
 883                 return;
 884         }
 885
 886
 887         if (cursor == playhead_cursor) {
 888                 session->request_locate (target);
 889         } else {
 890                 cursor->set_position (target);
 891         }
 892 }
 893
 894 void
 895 Editor::cursor_to_next_region_boundary (Cursor* cursor)
 896 {
 897         cursor_to_region_boundary (cursor, 1);
 898 }
 899
 900 void
 901 Editor::cursor_to_previous_region_boundary (Cursor* cursor)
 902 {
 903         cursor_to_region_boundary (cursor, -1);
 904 }
 905
 906 void
 907 Editor::cursor_to_region_point (Cursor* cursor, RegionPoint point, int32_t dir)
 908 {
 909         boost::shared_ptr<Region> r;
 910         nframes64_t pos = cursor->current_frame;
 911
 912         if (!session) {
 913                 return;
 914         }
 915
 916         TimeAxisView *ontrack = 0;
 917
 918         // so we don't find the current region again..
 919         if (dir>0 || pos>0)
 920                 pos+=dir;
 921
 922         if (!selection->tracks.empty()) {
 923
 924                 r = find_next_region (pos, point, dir, selection->tracks, &ontrack);
 925
 926         } else if (clicked_axisview) {
 927
 928                 TrackViewList t;
 929                 t.push_back (clicked_axisview);
 930
 931                 r = find_next_region (pos, point, dir, t, &ontrack);
 932
 933         } else {
 934
 935                 r = find_next_region (pos, point, dir, track_views, &ontrack);
 936         }
 937
 938         if (r == 0) {
 939                 return;
 940         }
 941
 942         switch (point){
 943         case Start:
 944                 pos = r->first_frame ();
 945                 break;
 946
 947         case End:
 948                 pos = r->last_frame ();
 949                 break;
 950
 951         case SyncPoint:
 952                 pos = r->adjust_to_sync (r->first_frame());
 953                 break;
 954         }
 955
 956         float speed = 1.0f;
 957         RouteTimeAxisView *rtav;
 958
 959         if ( ontrack != 0 && (rtav = dynamic_cast<RouteTimeAxisView*>(ontrack)) != 0 ) {
 960                 if (rtav->get_diskstream() != 0) {
 961                         speed = rtav->get_diskstream()->speed();
 962                 }
 963         }
 964
 965         pos = track_frame_to_session_frame(pos, speed);
 966
 967         if (cursor == playhead_cursor) {
 968                 session->request_locate (pos);
 969         } else {
 970                 cursor->set_position (pos);
 971         }
 972 }
 973
 974 void
 975 Editor::cursor_to_next_region_point (Cursor* cursor, RegionPoint point)
 976 {
 977         cursor_to_region_point (cursor, point, 1);
 978 }
 979
 980 void
 981 Editor::cursor_to_previous_region_point (Cursor* cursor, RegionPoint point)
 982 {
 983         cursor_to_region_point (cursor, point, -1);
 984 }
 985
 986 void
 987 Editor::cursor_to_selection_start (Cursor *cursor)
 988 {
 989         nframes64_t pos = 0;
 990         RegionSelection rs;
 991
 992         get_regions_for_action (rs);
 993
 994         switch (mouse_mode) {
 995         case MouseObject:
 996                 if (!rs.empty()) {
 997                         pos = rs.start();
 998                 }
 999                 break;
1000
1001         case MouseRange:
1002                 if (!selection->time.empty()) {
1003                         pos = selection->time.start ();
1004                 }
1005                 break;
1006
1007         default:
1008                 return;
1009         }
1010
1011         if (cursor == playhead_cursor) {
1012                 session->request_locate (pos);
1013         } else {
1014                 cursor->set_position (pos);
1015         }
1016 }
1017
1018 void
1019 Editor::cursor_to_selection_end (Cursor *cursor)
1020 {
1021         nframes64_t pos = 0;
1022         RegionSelection rs;
1023
1024         get_regions_for_action (rs);
1025
1026         switch (mouse_mode) {
1027         case MouseObject:
1028                 if (!rs.empty()) {
1029                         pos = rs.end_frame();
1030                 }
1031                 break;
1032
1033         case MouseRange:
1034                 if (!selection->time.empty()) {
1035                         pos = selection->time.end_frame ();
1036                 }
1037                 break;
1038
1039         default:
1040                 return;
1041         }
1042
1043         if (cursor == playhead_cursor) {
1044                 session->request_locate (pos);
1045         } else {
1046                 cursor->set_position (pos);
1047         }
1048 }
1049
1050 void
1051 Editor::selected_marker_to_region_boundary (int32_t dir)
1052 {
1053         nframes64_t target;
1054         Location* loc;
1055         bool ignored;
1056
1057         if (!session) {
1058                 return;
1059         }
1060
1061         if (selection->markers.empty()) {
1062                 nframes64_t mouse;
1063                 bool ignored;
1064
1065                 if (!mouse_frame (mouse, ignored)) {
1066                         return;
1067                 }
1068
1069                 add_location_mark (mouse);
1070         }
1071
1072         if ((loc = find_location_from_marker (selection->markers.front(), ignored)) == 0) {
1073                 return;
1074         }
1075
1076         nframes64_t pos = loc->start();
1077
1078         // so we don't find the current region again..
1079         if (dir > 0 || pos > 0) {
1080                 pos += dir;
1081         }
1082
1083         if (!selection->tracks.empty()) {
1084
1085                 target = find_next_region_boundary (pos, dir, selection->tracks);
1086
1087         } else {
1088
1089                 target = find_next_region_boundary (pos, dir, track_views);
1090         }
1091
1092         if (target < 0) {
1093                 return;
1094         }
1095
1096         loc->move_to (target);
1097 }
1098
1099 void
1100 Editor::selected_marker_to_next_region_boundary ()
1101 {
1102         selected_marker_to_region_boundary (1);
1103 }
1104
1105 void
1106 Editor::selected_marker_to_previous_region_boundary ()
1107 {
1108         selected_marker_to_region_boundary (-1);
1109 }
1110
1111 void
1112 Editor::selected_marker_to_region_point (RegionPoint point, int32_t dir)
1113 {
1114         boost::shared_ptr<Region> r;
1115         nframes64_t pos;
1116         Location* loc;
1117         bool ignored;
1118
1119         if (!session || selection->markers.empty()) {
1120                 return;
1121         }
1122
1123         if ((loc = find_location_from_marker (selection->markers.front(), ignored)) == 0) {
1124                 return;
1125         }
1126
1127         TimeAxisView *ontrack = 0;
1128
1129         pos = loc->start();
1130
1131         // so we don't find the current region again..
1132         if (dir>0 || pos>0)
1133                 pos+=dir;
1134
1135         if (!selection->tracks.empty()) {
1136
1137                 r = find_next_region (pos, point, dir, selection->tracks, &ontrack);
1138
1139         } else {
1140
1141                 r = find_next_region (pos, point, dir, track_views, &ontrack);
1142         }
1143
1144         if (r == 0) {
1145                 return;
1146         }
1147
1148         switch (point){
1149         case Start:
1150                 pos = r->first_frame ();
1151                 break;
1152
1153         case End:
1154                 pos = r->last_frame ();
1155                 break;
1156
1157         case SyncPoint:
1158                 pos = r->adjust_to_sync (r->first_frame());
1159                 break;
1160         }
1161
1162         float speed = 1.0f;
1163         AudioTimeAxisView *atav;
1164
1165         if ( ontrack != 0 && (atav = dynamic_cast<AudioTimeAxisView*>(ontrack)) != 0 ) {
1166                 if (atav->get_diskstream() != 0) {
1167                         speed = atav->get_diskstream()->speed();
1168                 }
1169         }
1170
1171         pos = track_frame_to_session_frame(pos, speed);
1172
1173         loc->move_to (pos);
1174 }
1175
1176 void
1177 Editor::selected_marker_to_next_region_point (RegionPoint point)
1178 {
1179         selected_marker_to_region_point (point, 1);
1180 }
1181
1182 void
1183 Editor::selected_marker_to_previous_region_point (RegionPoint point)
1184 {
1185         selected_marker_to_region_point (point, -1);
1186 }
1187
1188 void
1189 Editor::selected_marker_to_selection_start ()
1190 {
1191         nframes64_t pos = 0;
1192         Location* loc;
1193         bool ignored;
1194
1195         if (!session || selection->markers.empty()) {
1196                 return;
1197         }
1198
1199         if ((loc = find_location_from_marker (selection->markers.front(), ignored)) == 0) {
1200                 return;
1201         }
1202
1203         RegionSelection rs;
1204
1205         get_regions_for_action (rs);
1206
1207         switch (mouse_mode) {
1208         case MouseObject:
1209                 if (!rs.empty()) {
1210                         pos = rs.start();
1211                 }
1212                 break;
1213
1214         case MouseRange:
1215                 if (!selection->time.empty()) {
1216                         pos = selection->time.start ();
1217                 }
1218                 break;
1219
1220         default:
1221                 return;
1222         }
1223
1224         loc->move_to (pos);
1225 }
1226
1227 void
1228 Editor::selected_marker_to_selection_end ()
1229 {
1230         nframes64_t pos = 0;
1231         Location* loc;
1232         bool ignored;
1233
1234         if (!session || selection->markers.empty()) {
1235                 return;
1236         }
1237
1238         if ((loc = find_location_from_marker (selection->markers.front(), ignored)) == 0) {
1239                 return;
1240         }
1241
1242         RegionSelection rs;
1243
1244         get_regions_for_action (rs);
1245
1246         switch (mouse_mode) {
1247         case MouseObject:
1248                 if (!rs.empty()) {
1249                         pos = rs.end_frame();
1250                 }
1251                 break;
1252
1253         case MouseRange:
1254                 if (!selection->time.empty()) {
1255                         pos = selection->time.end_frame ();
1256                 }
1257                 break;
1258
1259         default:
1260                 return;
1261         }
1262
1263         loc->move_to (pos);
1264 }
1265
1266 void
1267 Editor::scroll_playhead (bool forward)
1268 {
1269         nframes64_t pos = playhead_cursor->current_frame;
1270         nframes64_t delta = (nframes64_t) floor (current_page_frames() / 0.8);
1271
1272         if (forward) {
1273                 if (pos == max_frames) {
1274                         return;
1275                 }
1276
1277                 if (pos < max_frames - delta) {
1278                         pos += delta ;
1279                 } else {
1280                         pos = max_frames;
1281                 }
1282
1283         } else {
1284
1285                 if (pos == 0) {
1286                         return;
1287                 }
1288
1289                 if (pos > delta) {
1290                         pos -= delta;
1291                 } else {
1292                         pos = 0;
1293                 }
1294         }
1295
1296         session->request_locate (pos);
1297 }
1298
1299 void
1300 Editor::playhead_backward ()
1301 {
1302         nframes64_t pos;
1303         nframes64_t cnt;
1304         float prefix;
1305         bool was_floating;
1306
1307         if (get_prefix (prefix, was_floating)) {
1308                 cnt = 1;
1309         } else {
1310                 if (was_floating) {
1311                         cnt = (nframes64_t) floor (prefix * session->frame_rate ());
1312                 } else {
1313                         cnt = (nframes64_t) prefix;
1314                 }
1315         }
1316
1317         pos = playhead_cursor->current_frame;
1318
1319         if ((nframes64_t) pos < cnt) {
1320                 pos = 0;
1321         } else {
1322                 pos -= cnt;
1323         }
1324
1325         /* XXX this is completely insane. with the current buffering
1326            design, we'll force a complete track buffer flush and
1327            reload, just to move 1 sample !!!
1328         */
1329
1330         session->request_locate (pos);
1331 }
1332
1333 void
1334 Editor::playhead_forward ()
1335 {
1336         nframes64_t pos;
1337         nframes64_t cnt;
1338         bool was_floating;
1339         float prefix;
1340
1341         if (get_prefix (prefix, was_floating)) {
1342                 cnt = 1;
1343         } else {
1344                 if (was_floating) {
1345                         cnt = (nframes64_t) floor (prefix * session->frame_rate ());
1346                 } else {
1347                         cnt = (nframes64_t) floor (prefix);
1348                 }
1349         }
1350
1351         pos = playhead_cursor->current_frame;
1352
1353         /* XXX this is completely insane. with the current buffering
1354            design, we'll force a complete track buffer flush and
1355            reload, just to move 1 sample !!!
1356         */
1357
1358         session->request_locate (pos+cnt);
1359 }
1360
1361 void
1362 Editor::cursor_align (bool playhead_to_edit)
1363 {
1364         if (!session) {
1365                 return;
1366         }
1367
1368         if (playhead_to_edit) {
1369
1370                 if (selection->markers.empty()) {
1371                         return;
1372                 }
1373
1374                 session->request_locate (selection->markers.front()->position(), session->transport_rolling());
1375
1376         } else {
1377                 /* move selected markers to playhead */
1378
1379                 for (MarkerSelection::iterator i = selection->markers.begin(); i != selection->markers.end(); ++i) {
1380                         bool ignored;
1381
1382                         Location* loc = find_location_from_marker (*i, ignored);
1383
1384                         if (loc->is_mark()) {
1385                                 loc->set_start (playhead_cursor->current_frame);
1386                         } else {
1387                                 loc->set (playhead_cursor->current_frame,
1388                                           playhead_cursor->current_frame + loc->length());
1389                         }
1390                 }
1391         }
1392 }
1393
1394 void
1395 Editor::edit_cursor_backward ()
1396 {
1397         nframes64_t pos;
1398         nframes64_t cnt;
1399         float prefix;
1400         bool was_floating;
1401
1402         if (get_prefix (prefix, was_floating)) {
1403                 cnt = 1;
1404         } else {
1405                 if (was_floating) {
1406                         cnt = (nframes64_t) floor (prefix * session->frame_rate ());
1407                 } else {
1408                         cnt = (nframes64_t) prefix;
1409                 }
1410         }
1411
1412         if ((pos = get_preferred_edit_position()) < 0) {
1413                 return;
1414         }
1415
1416         if (pos < cnt) {
1417                 pos = 0;
1418         } else {
1419                 pos -= cnt;
1420         }
1421
1422         // EDIT CURSOR edit_cursor->set_position (pos);
1423 }
1424
1425 void
1426 Editor::edit_cursor_forward ()
1427 {
1428         //nframes64_t pos;
1429         nframes64_t cnt;
1430         bool was_floating;
1431         float prefix;
1432
1433         if (get_prefix (prefix, was_floating)) {
1434                 cnt = 1;
1435         } else {
1436                 if (was_floating) {
1437                         cnt = (nframes64_t) floor (prefix * session->frame_rate ());
1438                 } else {
1439                         cnt = (nframes64_t) floor (prefix);
1440                 }
1441         }
1442
1443         // pos = edit_cursor->current_frame;
1444         // EDIT CURSOR edit_cursor->set_position (pos+cnt);
1445 }
1446
1447 void
1448 Editor::goto_frame ()
1449 {
1450         float prefix;
1451         bool was_floating;
1452         nframes64_t frame;
1453
1454         if (get_prefix (prefix, was_floating)) {
1455                 return;
1456         }
1457
1458         if (was_floating) {
1459                 frame = (nframes64_t) floor (prefix * session->frame_rate());
1460         } else {
1461                 frame = (nframes64_t) floor (prefix);
1462         }
1463
1464         session->request_locate (frame);
1465 }
1466
1467 void
1468 Editor::scroll_backward (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 (leftmost_frame < cnt) {
1487                 frame = 0;
1488         } else {
1489                 frame = leftmost_frame - cnt;
1490         }
1491
1492         reset_x_origin (frame);
1493 }
1494
1495 void
1496 Editor::scroll_forward (float pages)
1497 {
1498         nframes64_t frame;
1499         nframes64_t one_page = (nframes64_t) rint (canvas_width * frames_per_unit);
1500         bool was_floating;
1501         float prefix;
1502         nframes64_t cnt;
1503
1504         if (get_prefix (prefix, was_floating)) {
1505                 cnt = (nframes64_t) floor (pages * one_page);
1506         } else {
1507                 if (was_floating) {
1508                         cnt = (nframes64_t) floor (prefix * session->frame_rate());
1509                 } else {
1510                         cnt = (nframes64_t) floor (prefix * one_page);
1511                 }
1512         }
1513
1514         if (max_frames - cnt < leftmost_frame) {
1515                 frame = max_frames - cnt;
1516         } else {
1517                 frame = leftmost_frame + cnt;
1518         }
1519
1520         reset_x_origin (frame);
1521 }
1522
1523 void
1524 Editor::scroll_tracks_down ()
1525 {
1526         float prefix;
1527         bool was_floating;
1528         int cnt;
1529
1530         if (get_prefix (prefix, was_floating)) {
1531                 cnt = 1;
1532         } else {
1533                 cnt = (int) floor (prefix);
1534         }
1535
1536         double vert_value = vertical_adjustment.get_value() + (cnt *
1537                 vertical_adjustment.get_page_size());
1538         if (vert_value > vertical_adjustment.get_upper() - canvas_height) {
1539                 vert_value = vertical_adjustment.get_upper() - canvas_height;
1540         }
1541         vertical_adjustment.set_value (vert_value);
1542 }
1543
1544 void
1545 Editor::scroll_tracks_up ()
1546 {
1547         float prefix;
1548         bool was_floating;
1549         int cnt;
1550
1551         if (get_prefix (prefix, was_floating)) {
1552                 cnt = 1;
1553         } else {
1554                 cnt = (int) floor (prefix);
1555         }
1556
1557         vertical_adjustment.set_value (vertical_adjustment.get_value() - (cnt * vertical_adjustment.get_page_size()));
1558 }
1559
1560 void
1561 Editor::scroll_tracks_down_line ()
1562 {
1563
1564         Gtk::Adjustment* adj = edit_vscrollbar.get_adjustment();
1565         double vert_value = adj->get_value() + 60;
1566
1567         if (vert_value>adj->get_upper() - canvas_height) {
1568                 vert_value = adj->get_upper() - canvas_height;
1569         }
1570         adj->set_value (vert_value);
1571 }
1572
1573 void
1574 Editor::scroll_tracks_up_line ()
1575 {
1576         Gtk::Adjustment* adj = edit_vscrollbar.get_adjustment();
1577         adj->set_value (adj->get_value() - 60);
1578 }
1579
1580 /* ZOOM */
1581
1582 void
1583 Editor::temporal_zoom_step (bool coarser)
1584 {
1585         ENSURE_GUI_THREAD (bind (mem_fun (*this, &Editor::temporal_zoom_step), coarser));
1586
1587         double nfpu;
1588
1589         nfpu = frames_per_unit;
1590
1591         if (coarser) {
1592                 nfpu *= 1.61803399;
1593         } else {
1594                 nfpu = max(1.0,(nfpu/1.61803399));
1595         }
1596
1597         temporal_zoom (nfpu);
1598 }
1599
1600 void
1601 Editor::temporal_zoom (gdouble fpu)
1602 {
1603         if (!session) return;
1604
1605         nframes64_t current_page = current_page_frames();
1606         nframes64_t current_leftmost = leftmost_frame;
1607         nframes64_t current_rightmost;
1608         nframes64_t current_center;
1609         nframes64_t new_page_size;
1610         nframes64_t half_page_size;
1611         nframes64_t leftmost_after_zoom = 0;
1612         nframes64_t where;
1613         bool in_track_canvas;
1614         double nfpu;
1615         double l;
1616
1617         /* XXX this limit is also in ::set_frames_per_unit() */
1618
1619         if (frames_per_unit <= 2.0 && fpu <= frames_per_unit) {
1620                 return;
1621         }
1622
1623         nfpu = fpu;
1624
1625         new_page_size = (nframes64_t) floor (canvas_width * nfpu);
1626         half_page_size = new_page_size / 2;
1627
1628         switch (zoom_focus) {
1629         case ZoomFocusLeft:
1630                 leftmost_after_zoom = current_leftmost;
1631                 break;
1632
1633         case ZoomFocusRight:
1634                 current_rightmost = leftmost_frame + current_page;
1635                 if (current_rightmost < new_page_size) {
1636                         leftmost_after_zoom = 0;
1637                 } else {
1638                         leftmost_after_zoom = current_rightmost - new_page_size;
1639                 }
1640                 break;
1641
1642         case ZoomFocusCenter:
1643                 current_center = current_leftmost + (current_page/2);
1644                 if (current_center < half_page_size) {
1645                         leftmost_after_zoom = 0;
1646                 } else {
1647                         leftmost_after_zoom = current_center - half_page_size;
1648                 }
1649                 break;
1650
1651         case ZoomFocusPlayhead:
1652                 /* try to keep the playhead in the same place */
1653
1654                 where = playhead_cursor->current_frame;
1655
1656                 l = - ((new_page_size * ((where - current_leftmost)/(double)current_page)) - where);
1657
1658                 if (l < 0) {
1659                         leftmost_after_zoom = 0;
1660                 } else if (l > max_frames) {
1661                         leftmost_after_zoom = max_frames - new_page_size;
1662                 } else {
1663                         leftmost_after_zoom = (nframes64_t) l;
1664                 }
1665                 break;
1666
1667         case ZoomFocusMouse:
1668                 /* try to keep the mouse over the same point in the display */
1669
1670                 if (!mouse_frame (where, in_track_canvas)) {
1671                         /* use playhead instead */
1672                         where = playhead_cursor->current_frame;
1673
1674                         if (where < half_page_size) {
1675                                 leftmost_after_zoom = 0;
1676                         } else {
1677                                 leftmost_after_zoom = where - half_page_size;
1678                         }
1679
1680                 } else {
1681
1682                         l = - ((new_page_size * ((where - current_leftmost)/(double)current_page)) - where);
1683
1684                         if (l < 0) {
1685                                 leftmost_after_zoom = 0;
1686                         } else if (l > max_frames) {
1687                                 leftmost_after_zoom = max_frames - new_page_size;
1688                         } else {
1689                                 leftmost_after_zoom = (nframes64_t) l;
1690                         }
1691                 }
1692
1693                 break;
1694
1695         case ZoomFocusEdit:
1696                 /* try to keep the edit point in the same place */
1697                 where = get_preferred_edit_position ();
1698
1699                 if (where > 0) {
1700
1701                         double l = - ((new_page_size * ((where - current_leftmost)/(double)current_page)) - where);
1702
1703                         if (l < 0) {
1704                                 leftmost_after_zoom = 0;
1705                         } else if (l > max_frames) {
1706                                 leftmost_after_zoom = max_frames - new_page_size;
1707                         } else {
1708                                 leftmost_after_zoom = (nframes64_t) l;
1709                         }
1710
1711                 } else {
1712                         /* edit point not defined */
1713                         return;
1714                 }
1715                 break;
1716
1717         }
1718
1719         // leftmost_after_zoom = min (leftmost_after_zoom, session->current_end_frame());
1720
1721         reposition_and_zoom (leftmost_after_zoom, nfpu);
1722 }
1723
1724 void
1725 Editor::temporal_zoom_region (bool both_axes)
1726 {
1727
1728         nframes64_t start = max_frames;
1729         nframes64_t end = 0;
1730         RegionSelection rs;
1731         set<TimeAxisView*> tracks;
1732         double top_y_position = DBL_MAX;
1733
1734         get_regions_for_action (rs);
1735
1736         if (rs.empty()) {
1737                 return;
1738         }
1739
1740         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
1741
1742                 if ((*i)->region()->position() < start) {
1743                         start = (*i)->region()->position();
1744                 }
1745
1746                 if ((*i)->region()->last_frame() + 1 > end) {
1747                         end = (*i)->region()->last_frame() + 1;
1748                 }
1749
1750                 tracks.insert (&((*i)->get_time_axis_view()));
1751
1752                 if ((*i)->get_time_axis_view().y_position < top_y_position) {
1753                         top_y_position = (*i)->get_time_axis_view().y_position;
1754                 }
1755         }
1756
1757         /* now comes an "interesting" hack ... make sure we leave a little space
1758            at each end of the editor so that the zoom doesn't fit the region
1759            precisely to the screen.
1760         */
1761
1762         GdkScreen* screen = gdk_screen_get_default ();
1763         gint pixwidth = gdk_screen_get_width (screen);
1764         gint mmwidth = gdk_screen_get_width_mm (screen);
1765         double pix_per_mm = (double) pixwidth/ (double) mmwidth;
1766         double one_centimeter_in_pixels = pix_per_mm * 10.0;
1767
1768         if ((start == 0 && end == 0) || end < start) {
1769                 return;
1770         }
1771
1772         nframes64_t range = end - start;
1773         double new_fpu = (double)range / (double)canvas_width;
1774         nframes64_t extra_samples = (nframes64_t) floor (one_centimeter_in_pixels * new_fpu);
1775
1776         if (start > extra_samples) {
1777                 start -= extra_samples;
1778         } else {
1779                 start = 0;
1780         }
1781
1782         if (max_frames - extra_samples > end) {
1783                 end += extra_samples;
1784         } else {
1785                 end = max_frames;
1786         }
1787
1788         if (both_axes) {
1789                 /* save visual state with track states included, and prevent
1790                    set_frames_per_unit() from doing it again.
1791                 */
1792                 undo_visual_stack.push_back (current_visual_state(true));
1793                 no_save_visual = true;
1794         }
1795
1796         temporal_zoom_by_frame (start, end, "zoom to region");
1797
1798         if (both_axes) {
1799                 uint32_t per_track_height = (uint32_t) floor ((canvas_height - 10.0) / tracks.size());
1800
1801                 /* set visible track heights appropriately */
1802
1803                 for (set<TimeAxisView*>::iterator t = tracks.begin(); t != tracks.end(); ++t) {
1804                         (*t)->set_height (per_track_height);
1805                 }
1806
1807                 /* hide irrelevant tracks */
1808
1809                 no_route_list_redisplay = true;
1810
1811                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1812                         if (find (tracks.begin(), tracks.end(), (*i)) == tracks.end()) {
1813                                 hide_track_in_display (**i, true);
1814                         }
1815                 }
1816
1817                 no_route_list_redisplay = false;
1818                 redisplay_route_list ();
1819
1820                 vertical_adjustment.set_value (std::max (top_y_position - 5.0, 0.0));
1821                 no_save_visual = false;
1822         }
1823
1824         zoomed_to_region = true;
1825         redo_visual_stack.push_back (current_visual_state());
1826 }
1827
1828 void
1829 Editor::toggle_zoom_region (bool both_axes)
1830 {
1831         if (zoomed_to_region) {
1832                 swap_visual_state ();
1833         } else {
1834                 temporal_zoom_region (both_axes);
1835         }
1836 }
1837
1838 void
1839 Editor::temporal_zoom_selection ()
1840 {
1841         if (!selection) return;
1842
1843         if (selection->time.empty()) {
1844                 return;
1845         }
1846
1847         nframes64_t start = selection->time[clicked_selection].start;
1848         nframes64_t end = selection->time[clicked_selection].end;
1849
1850         temporal_zoom_by_frame (start, end, "zoom to selection");
1851 }
1852
1853 void
1854 Editor::temporal_zoom_session ()
1855 {
1856         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::temporal_zoom_session));
1857
1858         if (session) {
1859                 temporal_zoom_by_frame (session->current_start_frame(), session->current_end_frame(), "zoom to session");
1860         }
1861 }
1862
1863 void
1864 Editor::temporal_zoom_by_frame (nframes64_t start, nframes64_t end, const string & op)
1865 {
1866         if (!session) return;
1867
1868         if ((start == 0 && end == 0) || end < start) {
1869                 return;
1870         }
1871
1872         nframes64_t range = end - start;
1873
1874         double new_fpu = (double)range / (double)canvas_width;
1875
1876         nframes64_t new_page = (nframes64_t) floor (canvas_width * new_fpu);
1877         nframes64_t middle = (nframes64_t) floor( (double)start + ((double)range / 2.0f ));
1878         nframes64_t new_leftmost = (nframes64_t) floor( (double)middle - ((double)new_page/2.0f));
1879
1880         if (new_leftmost > middle) {
1881                 new_leftmost = 0;
1882         }
1883
1884         reposition_and_zoom (new_leftmost, new_fpu);
1885 }
1886
1887 void
1888 Editor::temporal_zoom_to_frame (bool coarser, nframes64_t frame)
1889 {
1890         if (!session) {
1891                 return;
1892         }
1893         double range_before = frame - leftmost_frame;
1894         double new_fpu;
1895
1896         new_fpu = frames_per_unit;
1897
1898         if (coarser) {
1899                 new_fpu *= 1.61803399;
1900                 range_before *= 1.61803399;
1901         } else {
1902                 new_fpu = max(1.0,(new_fpu/1.61803399));
1903                 range_before /= 1.61803399;
1904         }
1905
1906         if (new_fpu == frames_per_unit)  {
1907                 return;
1908         }
1909
1910         nframes64_t new_leftmost = frame - (nframes64_t)range_before;
1911
1912         if (new_leftmost > frame) {
1913                 new_leftmost = 0;
1914         }
1915 //      begin_reversible_command (_("zoom to frame"));
1916 //      session->add_undo (bind (mem_fun(*this, &Editor::reposition_and_zoom), leftmost_frame, frames_per_unit));
1917 //      session->add_redo (bind (mem_fun(*this, &Editor::reposition_and_zoom), new_leftmost, new_fpu));
1918 //      commit_reversible_command ();
1919
1920         reposition_and_zoom (new_leftmost, new_fpu);
1921 }
1922
1923
1924 bool
1925 Editor::choose_new_marker_name(string &name) {
1926
1927         if (!Config->get_name_new_markers()) {
1928                 /* don't prompt user for a new name */
1929                 return true;
1930         }
1931
1932         ArdourPrompter dialog (true);
1933
1934         dialog.set_prompt (_("New Name:"));
1935
1936         WindowTitle title(Glib::get_application_name());
1937         title += _("Name New Location Marker");
1938
1939         dialog.set_title(title.get_string());
1940
1941         dialog.set_name ("MarkNameWindow");
1942         dialog.set_size_request (250, -1);
1943         dialog.set_position (Gtk::WIN_POS_MOUSE);
1944
1945         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
1946         dialog.set_initial_text (name);
1947
1948         dialog.show ();
1949
1950         switch (dialog.run ()) {
1951         case RESPONSE_ACCEPT:
1952                 break;
1953         default:
1954                 return false;
1955         }
1956
1957         dialog.get_result(name);
1958         return true;
1959
1960 }
1961
1962
1963 void
1964 Editor::add_location_from_selection ()
1965 {
1966         string rangename;
1967
1968         if (selection->time.empty()) {
1969                 return;
1970         }
1971
1972         if (session == 0 || clicked_axisview == 0) {
1973                 return;
1974         }
1975
1976         nframes64_t start = selection->time[clicked_selection].start;
1977         nframes64_t end = selection->time[clicked_selection].end;
1978
1979         session->locations()->next_available_name(rangename,"selection");
1980         Location *location = new Location (start, end, rangename, Location::IsRangeMarker);
1981
1982         session->begin_reversible_command (_("add marker"));
1983         XMLNode &before = session->locations()->get_state();
1984         session->locations()->add (location, true);
1985         XMLNode &after = session->locations()->get_state();
1986         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
1987         session->commit_reversible_command ();
1988 }
1989
1990 void
1991 Editor::add_location_mark (nframes64_t where)
1992 {
1993         string markername;
1994
1995         select_new_marker = true;
1996
1997         session->locations()->next_available_name(markername,"mark");
1998         if (!choose_new_marker_name(markername)) {
1999                 return;
2000         }
2001         Location *location = new Location (where, where, markername, Location::IsMark);
2002         session->begin_reversible_command (_("add marker"));
2003         XMLNode &before = session->locations()->get_state();
2004         session->locations()->add (location, true);
2005         XMLNode &after = session->locations()->get_state();
2006         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
2007         session->commit_reversible_command ();
2008 }
2009
2010 void
2011 Editor::add_location_from_playhead_cursor ()
2012 {
2013         add_location_mark (session->audible_frame());
2014 }
2015
2016 void
2017 Editor::add_location_from_audio_region ()
2018 {
2019         RegionSelection rs;
2020
2021         get_regions_for_action (rs);
2022
2023         if (rs.empty()) {
2024                 return;
2025         }
2026
2027         RegionView* rv = *(rs.begin());
2028         boost::shared_ptr<Region> region = rv->region();
2029
2030         Location *location = new Location (region->position(), region->last_frame(), region->name(), Location::IsRangeMarker);
2031         session->begin_reversible_command (_("add marker"));
2032         XMLNode &before = session->locations()->get_state();
2033         session->locations()->add (location, true);
2034         XMLNode &after = session->locations()->get_state();
2035         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
2036         session->commit_reversible_command ();
2037 }
2038
2039 void
2040 Editor::amplitude_zoom_step (bool in)
2041 {
2042         gdouble zoom = 1.0;
2043
2044         if (in) {
2045                 zoom *= 2.0;
2046         } else {
2047                 if (zoom > 2.0) {
2048                         zoom /= 2.0;
2049                 } else {
2050                         zoom = 1.0;
2051                 }
2052         }
2053
2054 #ifdef FIX_FOR_CANVAS
2055         /* XXX DO SOMETHING */
2056 #endif
2057 }
2058
2059
2060 /* DELETION */
2061
2062
2063 void
2064 Editor::delete_sample_forward ()
2065 {
2066 }
2067
2068 void
2069 Editor::delete_sample_backward ()
2070 {
2071 }
2072
2073 void
2074 Editor::delete_screen ()
2075 {
2076 }
2077
2078 /* SEARCH */
2079
2080 void
2081 Editor::search_backwards ()
2082 {
2083         /* what ? */
2084 }
2085
2086 void
2087 Editor::search_forwards ()
2088 {
2089         /* what ? */
2090 }
2091
2092 /* MARKS */
2093
2094 void
2095 Editor::jump_forward_to_mark ()
2096 {
2097         if (!session) {
2098                 return;
2099         }
2100
2101         Location *location = session->locations()->first_location_after (playhead_cursor->current_frame);
2102
2103         if (location) {
2104                 session->request_locate (location->start(), session->transport_rolling());
2105         } else {
2106                 session->request_locate (session->current_end_frame());
2107         }
2108 }
2109
2110 void
2111 Editor::jump_backward_to_mark ()
2112 {
2113         if (!session) {
2114                 return;
2115         }
2116
2117         Location *location = session->locations()->first_location_before (playhead_cursor->current_frame);
2118
2119         if (location) {
2120                 session->request_locate (location->start(), session->transport_rolling());
2121         } else {
2122                 session->goto_start ();
2123         }
2124 }
2125
2126 void
2127 Editor::set_mark ()
2128 {
2129         nframes64_t pos;
2130         float prefix;
2131         bool was_floating;
2132         string markername;
2133
2134         if (get_prefix (prefix, was_floating)) {
2135                 pos = session->audible_frame ();
2136         } else {
2137                 if (was_floating) {
2138                         pos = (nframes64_t) floor (prefix * session->frame_rate ());
2139                 } else {
2140                         pos = (nframes64_t) floor (prefix);
2141                 }
2142         }
2143
2144         session->locations()->next_available_name(markername,"mark");
2145         if (!choose_new_marker_name(markername)) {
2146                 return;
2147         }
2148         session->locations()->add (new Location (pos, 0, markername, Location::IsMark), true);
2149 }
2150
2151 void
2152 Editor::clear_markers ()
2153 {
2154         if (session) {
2155                 session->begin_reversible_command (_("clear markers"));
2156                 XMLNode &before = session->locations()->get_state();
2157                 session->locations()->clear_markers ();
2158                 XMLNode &after = session->locations()->get_state();
2159                 session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
2160                 session->commit_reversible_command ();
2161         }
2162 }
2163
2164 void
2165 Editor::clear_ranges ()
2166 {
2167         if (session) {
2168                 session->begin_reversible_command (_("clear ranges"));
2169                 XMLNode &before = session->locations()->get_state();
2170
2171                 Location * looploc = session->locations()->auto_loop_location();
2172                 Location * punchloc = session->locations()->auto_punch_location();
2173
2174                 session->locations()->clear_ranges ();
2175                 // re-add these
2176                 if (looploc) session->locations()->add (looploc);
2177                 if (punchloc) session->locations()->add (punchloc);
2178
2179                 XMLNode &after = session->locations()->get_state();
2180                 session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
2181                 session->commit_reversible_command ();
2182         }
2183 }
2184
2185 void
2186 Editor::clear_locations ()
2187 {
2188         session->begin_reversible_command (_("clear locations"));
2189         XMLNode &before = session->locations()->get_state();
2190         session->locations()->clear ();
2191         XMLNode &after = session->locations()->get_state();
2192         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
2193         session->commit_reversible_command ();
2194         session->locations()->clear ();
2195 }
2196
2197 void
2198 Editor::unhide_markers ()
2199 {
2200         for (LocationMarkerMap::iterator i = location_markers.begin(); i != location_markers.end(); ++i) {
2201                 Location *l = (*i).first;
2202                 if (l->is_hidden() && l->is_mark()) {
2203                         l->set_hidden(false, this);
2204                 }
2205         }
2206 }
2207
2208 void
2209 Editor::unhide_ranges ()
2210 {
2211         for (LocationMarkerMap::iterator i = location_markers.begin(); i != location_markers.end(); ++i) {
2212                 Location *l = (*i).first;
2213                 if (l->is_hidden() && l->is_range_marker()) {
2214                         l->set_hidden(false, this);
2215                 }
2216         }
2217 }
2218
2219 /* INSERT/REPLACE */
2220
2221 void
2222 Editor::insert_region_list_drag (boost::shared_ptr<Region> region, int x, int y)
2223 {
2224         double wx, wy;
2225         double cx, cy;
2226         TimeAxisView *tv;
2227         nframes64_t where;
2228         RouteTimeAxisView *rtv = 0;
2229         boost::shared_ptr<Playlist> playlist;
2230
2231         track_canvas->window_to_world (x, y, wx, wy);
2232         //wx += horizontal_adjustment.get_value();
2233         //wy += vertical_adjustment.get_value();
2234
2235         GdkEvent event;
2236         event.type = GDK_BUTTON_RELEASE;
2237         event.button.x = wx;
2238         event.button.y = wy;
2239
2240         where = event_frame (&event, &cx, &cy);
2241
2242         if (where < leftmost_frame || where > leftmost_frame + current_page_frames()) {
2243                 /* clearly outside canvas area */
2244                 return;
2245         }
2246
2247         if ((tv = trackview_by_y_position (cy)) == 0) {
2248                 return;
2249         }
2250
2251         if ((rtv = dynamic_cast<RouteTimeAxisView*>(tv)) == 0) {
2252                 return;
2253         }
2254
2255         if ((playlist = rtv->playlist()) == 0) {
2256                 return;
2257         }
2258
2259         snap_to (where);
2260
2261         begin_reversible_command (_("insert dragged region"));
2262         XMLNode &before = playlist->get_state();
2263         playlist->add_region (RegionFactory::create (region), where, 1.0);
2264         session->add_command(new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
2265         commit_reversible_command ();
2266 }
2267
2268 void
2269 Editor::insert_route_list_drag (boost::shared_ptr<Route> route, int x, int y) {
2270         double wx, wy;
2271         double cx, cy;
2272         TimeAxisView *tv;
2273         nframes_t where;
2274         RouteTimeAxisView *dest_rtv = 0;
2275         RouteTimeAxisView *source_rtv = 0;
2276
2277         track_canvas->window_to_world (x, y, wx, wy);
2278         wx += horizontal_adjustment.get_value();
2279         wy += vertical_adjustment.get_value();
2280
2281         GdkEvent event;
2282         event.type = GDK_BUTTON_RELEASE;
2283         event.button.x = wx;
2284         event.button.y = wy;
2285
2286         where = event_frame (&event, &cx, &cy);
2287
2288         if ((tv = trackview_by_y_position (cy)) == 0) {
2289                 return;
2290         }
2291
2292         if ((dest_rtv = dynamic_cast<RouteTimeAxisView*>(tv)) == 0) {
2293                 return;
2294         }
2295
2296         /* use this drag source to add underlay to a track. But we really don't care
2297            about the Route, only the view of the route, so find it first */
2298         for(TrackViewList::iterator it = track_views.begin(); it != track_views.end(); ++it) {
2299                 if((source_rtv = dynamic_cast<RouteTimeAxisView*>(*it)) == 0) {
2300                         continue;
2301                 }
2302
2303                 if(source_rtv->route() == route && source_rtv != dest_rtv) {
2304                         dest_rtv->add_underlay(source_rtv->view());
2305                         break;
2306                 }
2307         }
2308 }
2309
2310 void
2311 Editor::insert_region_list_selection (float times)
2312 {
2313         RouteTimeAxisView *tv = 0;
2314         boost::shared_ptr<Playlist> playlist;
2315
2316         if (clicked_routeview != 0) {
2317                 tv = clicked_routeview;
2318         } else if (!selection->tracks.empty()) {
2319                 if ((tv = dynamic_cast<RouteTimeAxisView*>(selection->tracks.front())) == 0) {
2320                         return;
2321                 }
2322         } else if (entered_track != 0) {
2323                 if ((tv = dynamic_cast<RouteTimeAxisView*>(entered_track)) == 0) {
2324                         return;
2325                 }
2326         } else {
2327                 return;
2328         }
2329
2330         if ((playlist = tv->playlist()) == 0) {
2331                 return;
2332         }
2333
2334         Glib::RefPtr<TreeSelection> selected = region_list_display.get_selection();
2335
2336         if (selected->count_selected_rows() != 1) {
2337                 return;
2338         }
2339
2340         TreeView::Selection::ListHandle_Path rows = selected->get_selected_rows ();
2341
2342         /* only one row selected, so rows.begin() is it */
2343
2344         TreeIter iter;
2345
2346         if ((iter = region_list_model->get_iter (*rows.begin()))) {
2347
2348                 boost::shared_ptr<Region> region = (*iter)[region_list_columns.region];
2349
2350                 begin_reversible_command (_("insert region"));
2351                 XMLNode &before = playlist->get_state();
2352                 playlist->add_region ((RegionFactory::create (region)), get_preferred_edit_position(), times);
2353                 session->add_command(new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
2354                 commit_reversible_command ();
2355         }
2356 }
2357
2358 /* BUILT-IN EFFECTS */
2359
2360 void
2361 Editor::reverse_selection ()
2362 {
2363
2364 }
2365
2366 /* GAIN ENVELOPE EDITING */
2367
2368 void
2369 Editor::edit_envelope ()
2370 {
2371 }
2372
2373 /* PLAYBACK */
2374
2375 void
2376 Editor::transition_to_rolling (bool fwd)
2377 {
2378         if (!session) {
2379                 return;
2380         }
2381
2382         switch (Config->get_slave_source()) {
2383         case None:
2384         case JACK:
2385                 break;
2386         default:
2387                 /* transport controlled by the master */
2388                 return;
2389         }
2390
2391         if (session->is_auditioning()) {
2392                 session->cancel_audition ();
2393                 return;
2394         }
2395
2396         session->request_transport_speed (fwd ? 1.0f : -1.0f);
2397 }
2398
2399 void
2400 Editor::toggle_playback (bool with_abort)
2401 {
2402         if (!session) {
2403                 return;
2404         }
2405
2406         switch (Config->get_slave_source()) {
2407         case None:
2408         case JACK:
2409                 break;
2410         default:
2411                 /* transport controlled by the master */
2412                 return;
2413         }
2414
2415         if (session->is_auditioning()) {
2416                 session->cancel_audition ();
2417                 return;
2418         }
2419
2420         if (session->transport_rolling()) {
2421                 session->request_stop (with_abort);
2422                 if (session->get_play_loop()) {
2423                         session->request_play_loop (false);
2424                 }
2425         } else {
2426                 session->request_transport_speed (1.0f);
2427         }
2428 }
2429
2430 void
2431 Editor::play_from_start ()
2432 {
2433         session->request_locate (session->current_start_frame(), true);
2434 }
2435
2436 void
2437 Editor::play_from_edit_point ()
2438 {
2439         session->request_locate (get_preferred_edit_position(), true);
2440 }
2441
2442 void
2443 Editor::play_from_edit_point_and_return ()
2444 {
2445         nframes64_t start_frame;
2446         nframes64_t return_frame;
2447
2448         start_frame = get_preferred_edit_position (true);
2449
2450         if (session->transport_rolling()) {
2451                 session->request_locate (start_frame, false);
2452                 return;
2453         }
2454
2455         /* don't reset the return frame if its already set */
2456
2457         if ((return_frame = session->requested_return_frame()) < 0) {
2458                 return_frame = session->audible_frame();
2459         }
2460
2461         if (start_frame >= 0) {
2462                 session->request_roll_at_and_return (start_frame, return_frame);
2463         }
2464 }
2465
2466 void
2467 Editor::play_selection ()
2468 {
2469         if (selection->time.empty()) {
2470                 return;
2471         }
2472
2473         session->request_play_range (true);
2474 }
2475
2476 void
2477 Editor::loop_selected_region ()
2478 {
2479         RegionSelection rs;
2480
2481         get_regions_for_action (rs);
2482
2483         if (!rs.empty()) {
2484                 RegionView *rv = *(rs.begin());
2485                 Location* tll;
2486
2487                 if ((tll = transport_loop_location()) != 0)  {
2488
2489                         tll->set (rv->region()->position(), rv->region()->last_frame());
2490
2491                         // enable looping, reposition and start rolling
2492
2493                         session->request_play_loop (true);
2494                         session->request_locate (tll->start(), false);
2495                         session->request_transport_speed (1.0f);
2496                 }
2497         }
2498 }
2499
2500 void
2501 Editor::play_location (Location& location)
2502 {
2503         if (location.start() <= location.end()) {
2504                 return;
2505         }
2506
2507         session->request_bounded_roll (location.start(), location.end());
2508 }
2509
2510 void
2511 Editor::loop_location (Location& location)
2512 {
2513         if (location.start() <= location.end()) {
2514                 return;
2515         }
2516
2517         Location* tll;
2518
2519         if ((tll = transport_loop_location()) != 0) {
2520                 tll->set (location.start(), location.end());
2521
2522                 // enable looping, reposition and start rolling
2523                 session->request_play_loop (true);
2524                 session->request_locate (tll->start(), true);
2525         }
2526 }
2527
2528 void
2529 Editor::raise_region ()
2530 {
2531         selection->foreach_region (&Region::raise);
2532 }
2533
2534 void
2535 Editor::raise_region_to_top ()
2536 {
2537         selection->foreach_region (&Region::raise_to_top);
2538 }
2539
2540 void
2541 Editor::lower_region ()
2542 {
2543         selection->foreach_region (&Region::lower);
2544 }
2545
2546 void
2547 Editor::lower_region_to_bottom ()
2548 {
2549         selection->foreach_region (&Region::lower_to_bottom);
2550 }
2551
2552 /** Show the region editor for the selected regions */
2553 void
2554 Editor::edit_region ()
2555 {
2556         selection->foreach_regionview (&RegionView::show_region_editor);
2557 }
2558
2559 void
2560 Editor::rename_region()
2561 {
2562         RegionSelection rs;
2563
2564         get_regions_for_action (rs);
2565
2566         if (rs.empty()) {
2567                 return;
2568         }
2569
2570         WindowTitle title (Glib::get_application_name());
2571         title += _("Rename Region");
2572
2573         ArdourDialog d (*this, title.get_string(), true, false);
2574         Entry entry;
2575         Label label (_("New name:"));
2576         HBox hbox;
2577
2578         hbox.set_spacing (6);
2579         hbox.pack_start (label, false, false);
2580         hbox.pack_start (entry, true, true);
2581
2582         d.get_vbox()->set_border_width (12);
2583         d.get_vbox()->pack_start (hbox, false, false);
2584
2585         d.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
2586         d.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2587
2588         d.set_size_request (300, -1);
2589         d.set_position (Gtk::WIN_POS_MOUSE);
2590
2591         entry.set_text (rs.front()->region()->name());
2592         entry.select_region (0, -1);
2593
2594         entry.signal_activate().connect (bind (mem_fun (d, &Dialog::response), RESPONSE_OK));
2595
2596         d.show_all ();
2597
2598         entry.grab_focus();
2599
2600         int ret = d.run();
2601
2602         d.hide ();
2603
2604         if (ret == RESPONSE_OK) {
2605                 std::string str = entry.get_text();
2606                 strip_whitespace_edges (str);
2607                 if (!str.empty()) {
2608                         rs.front()->region()->set_name (str);
2609                         redisplay_regions ();
2610                 }
2611         }
2612 }
2613
2614 void
2615 Editor::audition_playlist_region_via_route (boost::shared_ptr<Region> region, Route& route)
2616 {
2617         if (session->is_auditioning()) {
2618                 session->cancel_audition ();
2619         }
2620
2621         // note: some potential for creativity here, because region doesn't
2622         // have to belong to the playlist that Route is handling
2623
2624         // bool was_soloed = route.soloed();
2625
2626         route.set_solo (true, this);
2627
2628         session->request_bounded_roll (region->position(), region->position() + region->length());
2629
2630         /* XXX how to unset the solo state ? */
2631 }
2632
2633 /** Start an audition of the first selected region */
2634 void
2635 Editor::play_edit_range ()
2636 {
2637         nframes64_t start, end;
2638
2639         if (get_edit_op_range (start, end)) {
2640                 session->request_bounded_roll (start, end);
2641         }
2642 }
2643
2644 void
2645 Editor::play_selected_region ()
2646 {
2647         nframes64_t start = max_frames;
2648         nframes64_t end = 0;
2649         RegionSelection rs;
2650
2651         get_regions_for_action (rs);
2652
2653         if (rs.empty()) {
2654                 return;
2655         }
2656
2657         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
2658                 if ((*i)->region()->position() < start) {
2659                         start = (*i)->region()->position();
2660                 }
2661                 if ((*i)->region()->last_frame() + 1 > end) {
2662                         end = (*i)->region()->last_frame() + 1;
2663                 }
2664         }
2665
2666         session->request_stop ();
2667         session->request_bounded_roll (start, end);
2668 }
2669
2670 void
2671 Editor::audition_playlist_region_standalone (boost::shared_ptr<Region> region)
2672 {
2673         session->audition_region (region);
2674 }
2675
2676 void
2677 Editor::build_interthread_progress_window ()
2678 {
2679         interthread_progress_window = new ArdourDialog (X_("interthread progress"), true);
2680
2681         interthread_progress_bar.set_orientation (Gtk::PROGRESS_LEFT_TO_RIGHT);
2682
2683         interthread_progress_window->set_border_width (12);
2684         interthread_progress_window->get_vbox()->set_spacing (6);
2685
2686         interthread_progress_label.set_alignment (0.5, 0.5);
2687
2688         interthread_progress_window->get_vbox()->pack_start (interthread_progress_label, false, false);
2689         interthread_progress_window->get_vbox()->pack_start (interthread_progress_bar,false, false);
2690
2691         // GTK2FIX: this button needs a modifiable label
2692
2693         Button* b = interthread_progress_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
2694         b->signal_clicked().connect (mem_fun(*this, &Editor::interthread_cancel_clicked));
2695
2696         interthread_cancel_button.add (interthread_cancel_label);
2697
2698         interthread_progress_window->set_default_size (200, 100);
2699 }
2700
2701 void
2702 Editor::interthread_cancel_clicked ()
2703 {
2704         if (current_interthread_info) {
2705                 current_interthread_info->cancel = true;
2706         }
2707 }
2708
2709 void
2710 Editor::region_from_selection ()
2711 {
2712         if (clicked_axisview == 0) {
2713                 return;
2714         }
2715
2716         if (selection->time.empty()) {
2717                 return;
2718         }
2719
2720         nframes64_t start = selection->time[clicked_selection].start;
2721         nframes64_t end = selection->time[clicked_selection].end;
2722
2723         nframes64_t selection_cnt = end - start + 1;
2724
2725         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
2726                 boost::shared_ptr<AudioRegion> current;
2727                 boost::shared_ptr<Region> current_r;
2728                 boost::shared_ptr<Playlist> pl;
2729
2730                 nframes64_t internal_start;
2731                 string new_name;
2732
2733                 if ((pl = (*i)->playlist()) == 0) {
2734                         continue;
2735                 }
2736
2737                 if ((current_r = pl->top_region_at (start)) == 0) {
2738                         continue;
2739                 }
2740
2741                 current = boost::dynamic_pointer_cast<AudioRegion> (current_r);
2742                 assert(current); // FIXME
2743                 if (current != 0) {
2744                         internal_start = start - current->position();
2745                         session->region_name (new_name, current->name(), true);
2746                         boost::shared_ptr<Region> region (RegionFactory::create (current, internal_start, selection_cnt, new_name));
2747                 }
2748         }
2749 }
2750
2751 void
2752 Editor::create_region_from_selection (vector<boost::shared_ptr<Region> >& new_regions)
2753 {
2754         if (selection->time.empty() || selection->tracks.empty()) {
2755                 return;
2756         }
2757
2758         nframes64_t start = selection->time[clicked_selection].start;
2759         nframes64_t end = selection->time[clicked_selection].end;
2760
2761         sort_track_selection ();
2762
2763         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
2764
2765                 boost::shared_ptr<AudioRegion> current;
2766                 boost::shared_ptr<Region> current_r;
2767                 boost::shared_ptr<Playlist> playlist;
2768                 nframes64_t internal_start;
2769                 string new_name;
2770
2771                 if ((playlist = (*i)->playlist()) == 0) {
2772                         continue;
2773                 }
2774
2775                 if ((current_r = playlist->top_region_at(start)) == 0) {
2776                         continue;
2777                 }
2778
2779                 if ((current = boost::dynamic_pointer_cast<AudioRegion>(current_r)) == 0) {
2780                         continue;
2781                 }
2782
2783                 internal_start = start - current->position();
2784                 session->region_name (new_name, current->name(), true);
2785
2786                 new_regions.push_back (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (current, internal_start, end - start + 1, new_name)));
2787         }
2788 }
2789
2790 void
2791 Editor::split_multichannel_region ()
2792 {
2793         RegionSelection rs;
2794
2795         get_regions_for_action (rs);
2796
2797         if (rs.empty()) {
2798                 return;
2799         }
2800
2801         vector<boost::shared_ptr<AudioRegion> > v;
2802
2803         for (list<RegionView*>::iterator x = rs.begin(); x != rs.end(); ++x) {
2804
2805                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*x);
2806
2807                 if (!arv || arv->audio_region()->n_channels() < 2) {
2808                         continue;
2809                 }
2810
2811                 (arv)->audio_region()->separate_by_channel (*session, v);
2812         }
2813 }
2814
2815 void
2816 Editor::new_region_from_selection ()
2817 {
2818         region_from_selection ();
2819         cancel_selection ();
2820 }
2821
2822 static void
2823 add_if_covered (RegionView* rv, const AudioRange* ar, RegionSelection* rs)
2824 {
2825         switch (rv->region()->coverage (ar->start, ar->end - 1)) {
2826         case OverlapNone:
2827                 break;
2828         default:
2829                 rs->push_back (rv);
2830         }
2831 }
2832
2833 void
2834 Editor::separate_regions_between (const TimeSelection& ts)
2835 {
2836         bool in_command = false;
2837         boost::shared_ptr<Playlist> playlist;
2838         RegionSelection new_selection;
2839         TrackSelection tmptracks;
2840
2841         if (selection->tracks.empty()) {
2842
2843                 /* use tracks with selected regions */
2844
2845                 RegionSelection rs;
2846
2847                 get_regions_for_action (rs);
2848
2849                 for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
2850                         TimeAxisView* tv = &(*i)->get_time_axis_view();
2851
2852                         if (find (tmptracks.begin(), tmptracks.end(), tv) == tmptracks.end()) {
2853                                 tmptracks.push_back (tv);
2854                         }
2855                 }
2856
2857                 if (tmptracks.empty()) {
2858                         /* no regions selected: do nothing */
2859                         return;
2860                 }
2861
2862         } else {
2863
2864                 tmptracks = selection->tracks;
2865
2866         }
2867
2868         sort_track_selection (&tmptracks);
2869
2870
2871
2872
2873         for (TrackSelection::iterator i = tmptracks.begin(); i != tmptracks.end(); ++i) {
2874
2875                 RouteTimeAxisView* rtv;
2876
2877                 if ((rtv = dynamic_cast<RouteTimeAxisView*> ((*i))) != 0) {
2878
2879                         if (rtv->is_track()) {
2880
2881                                 /* no edits to destructive tracks */
2882
2883                                 if (rtv->track()->diskstream()->destructive()) {
2884                                         continue;
2885                                 }
2886
2887                                 if ((playlist = rtv->playlist()) != 0) {
2888
2889                                         XMLNode *before;
2890                                         bool got_some;
2891
2892                                         before = &(playlist->get_state());
2893                                         got_some = false;
2894
2895                                         /* XXX need to consider musical time selections here at some point */
2896
2897                                         double speed = rtv->get_diskstream()->speed();
2898
2899
2900                                         for (list<AudioRange>::const_iterator t = ts.begin(); t != ts.end(); ++t) {
2901
2902                                                 sigc::connection c = rtv->view()->RegionViewAdded.connect (mem_fun(*this, &Editor::collect_new_region_view));
2903                                                 latest_regionviews.clear ();
2904
2905                                                 playlist->partition ((nframes64_t)((*t).start * speed), (nframes64_t)((*t).end * speed), true);
2906
2907                                                 c.disconnect ();
2908
2909                                                 if (!latest_regionviews.empty()) {
2910
2911                                                         got_some = true;
2912
2913                                                         rtv->view()->foreach_regionview (bind (sigc::ptr_fun (add_if_covered), &(*t), &new_selection));
2914
2915                                                         if (!in_command) {
2916                                                                 begin_reversible_command (_("separate"));
2917                                                                 in_command = true;
2918                                                         }
2919
2920                                                         session->add_command(new MementoCommand<Playlist>(*playlist, before, &playlist->get_state()));
2921
2922                                                 }
2923                                         }
2924
2925                                         if (!got_some) {
2926                                                 delete before;
2927                                         }
2928                                 }
2929                         }
2930                 }
2931         }
2932
2933         if (in_command) {
2934                 selection->set (new_selection);
2935                 set_mouse_mode (MouseObject);
2936
2937                 commit_reversible_command ();
2938         }
2939 }
2940
2941 void
2942 Editor::separate_region_from_selection ()
2943 {
2944         /* preferentially use *all* ranges in the time selection if we're in range mode
2945            to allow discontiguous operation, since get_edit_op_range() currently
2946            returns a single range.
2947         */
2948
2949         if (mouse_mode == MouseRange && !selection->time.empty()) {
2950
2951                 separate_regions_between (selection->time);
2952
2953         } else {
2954
2955                 nframes64_t start;
2956                 nframes64_t end;
2957
2958                 if (get_edit_op_range (start, end)) {
2959
2960                         AudioRange ar (start, end, 1);
2961                         TimeSelection ts;
2962                         ts.push_back (ar);
2963
2964                         separate_regions_between (ts);
2965                 }
2966         }
2967 }
2968
2969 void
2970 Editor::separate_region_from_punch ()
2971 {
2972         Location* loc  = session->locations()->auto_punch_location();
2973         if (loc) {
2974                 separate_regions_using_location (*loc);
2975         }
2976 }
2977
2978 void
2979 Editor::separate_region_from_loop ()
2980 {
2981         Location* loc  = session->locations()->auto_loop_location();
2982         if (loc) {
2983                 separate_regions_using_location (*loc);
2984         }
2985 }
2986
2987 void
2988 Editor::separate_regions_using_location (Location& loc)
2989 {
2990         if (loc.is_mark()) {
2991                 return;
2992         }
2993
2994         AudioRange ar (loc.start(), loc.end(), 1);
2995         TimeSelection ts;
2996
2997         ts.push_back (ar);
2998
2999         separate_regions_between (ts);
3000 }
3001
3002 void
3003 Editor::crop_region_to_selection ()
3004 {
3005         if (!selection->time.empty()) {
3006
3007                 crop_region_to (selection->time.start(), selection->time.end_frame());
3008
3009         } else {
3010
3011                 nframes64_t start;
3012                 nframes64_t end;
3013
3014                 if (get_edit_op_range (start, end)) {
3015                         crop_region_to (start, end);
3016                 }
3017         }
3018
3019 }
3020
3021 void
3022 Editor::crop_region_to (nframes64_t start, nframes64_t end)
3023 {
3024         vector<boost::shared_ptr<Playlist> > playlists;
3025         boost::shared_ptr<Playlist> playlist;
3026         TrackSelection* ts;
3027
3028         if (selection->tracks.empty()) {
3029                 ts = &track_views;
3030         } else {
3031                 sort_track_selection ();
3032                 ts = &selection->tracks;
3033         }
3034
3035         for (TrackSelection::iterator i = ts->begin(); i != ts->end(); ++i) {
3036
3037                 RouteTimeAxisView* rtv;
3038
3039                 if ((rtv = dynamic_cast<RouteTimeAxisView*> ((*i))) != 0) {
3040
3041                         boost::shared_ptr<Track> t = rtv->track();
3042
3043                         if (t != 0 && ! t->diskstream()->destructive()) {
3044
3045                                 if ((playlist = rtv->playlist()) != 0) {
3046                                         playlists.push_back (playlist);
3047                                 }
3048                         }
3049                 }
3050         }
3051
3052         if (playlists.empty()) {
3053                 return;
3054         }
3055
3056         nframes64_t the_start;
3057         nframes64_t the_end;
3058         nframes64_t cnt;
3059
3060         begin_reversible_command (_("trim to selection"));
3061
3062         for (vector<boost::shared_ptr<Playlist> >::iterator i = playlists.begin(); i != playlists.end(); ++i) {
3063
3064                 boost::shared_ptr<Region> region;
3065
3066                 the_start = start;
3067
3068                 if ((region = (*i)->top_region_at(the_start)) == 0) {
3069                         continue;
3070                 }
3071
3072                 /* now adjust lengths to that we do the right thing
3073                    if the selection extends beyond the region
3074                 */
3075
3076                 the_start = max (the_start, (nframes64_t) region->position());
3077                 if (max_frames - the_start < region->length()) {
3078                         the_end = the_start + region->length() - 1;
3079                 } else {
3080                         the_end = max_frames;
3081                 }
3082                 the_end = min (end, the_end);
3083                 cnt = the_end - the_start + 1;
3084
3085                 XMLNode &before = (*i)->get_state();
3086                 region->trim_to (the_start, cnt, this);
3087                 XMLNode &after = (*i)->get_state();
3088                 session->add_command (new MementoCommand<Playlist>(*(*i), &before, &after));
3089         }
3090
3091         commit_reversible_command ();
3092 }
3093
3094 void
3095 Editor::region_fill_track ()
3096 {
3097         nframes64_t end;
3098         RegionSelection rs;
3099
3100         get_regions_for_action (rs);
3101
3102         if (!session || rs.empty()) {
3103                 return;
3104         }
3105
3106         end = session->current_end_frame ();
3107
3108         begin_reversible_command (_("region fill"));
3109
3110         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
3111
3112                 boost::shared_ptr<Region> region ((*i)->region());
3113
3114                 // FIXME
3115                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
3116                 assert(ar);
3117
3118                 boost::shared_ptr<Playlist> pl = region->playlist();
3119
3120                 if (end <= region->last_frame()) {
3121                         return;
3122                 }
3123
3124                 double times = (double) (end - region->last_frame()) / (double) region->length();
3125
3126                 if (times == 0) {
3127                         return;
3128                 }
3129
3130                 XMLNode &before = pl->get_state();
3131                 pl->add_region (RegionFactory::create (ar), ar->last_frame(), times);
3132                 session->add_command (new MementoCommand<Playlist>(*pl, &before, &pl->get_state()));
3133         }
3134
3135         commit_reversible_command ();
3136 }
3137
3138 void
3139 Editor::region_fill_selection ()
3140 {
3141         if (clicked_routeview == 0 || !clicked_routeview->is_audio_track()) {
3142                 return;
3143         }
3144
3145         if (selection->time.empty()) {
3146                 return;
3147         }
3148
3149
3150         Glib::RefPtr<TreeSelection> selected = region_list_display.get_selection();
3151
3152         if (selected->count_selected_rows() != 1) {
3153                 return;
3154         }
3155
3156         TreeModel::iterator i = region_list_display.get_selection()->get_selected();
3157         boost::shared_ptr<Region> region = (*i)[region_list_columns.region];
3158
3159         nframes64_t start = selection->time[clicked_selection].start;
3160         nframes64_t end = selection->time[clicked_selection].end;
3161
3162         boost::shared_ptr<Playlist> playlist;
3163
3164         if (selection->tracks.empty()) {
3165                 return;
3166         }
3167
3168         nframes64_t selection_length = end - start;
3169         float times = (float)selection_length / region->length();
3170
3171         begin_reversible_command (_("fill selection"));
3172
3173         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3174
3175                 if ((playlist = (*i)->playlist()) == 0) {
3176                         continue;
3177                 }
3178
3179                 XMLNode &before = playlist->get_state();
3180                 playlist->add_region (RegionFactory::create (region), start, times);
3181                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
3182         }
3183
3184         commit_reversible_command ();
3185 }
3186
3187 void
3188 Editor::set_region_sync_from_edit_point ()
3189 {
3190         nframes64_t where = get_preferred_edit_position ();
3191         RegionSelection rs;
3192         get_regions_for_action (rs);
3193         set_sync_point (where, rs);
3194 }
3195
3196 void
3197 Editor::set_sync_point (nframes64_t where, const RegionSelection& rs)
3198 {
3199         bool in_command = false;
3200
3201         for (RegionSelection::const_iterator r = rs.begin(); r != rs.end(); ++r) {
3202
3203                 if (!(*r)->region()->covers (where)) {
3204                         continue;
3205                 }
3206
3207                 boost::shared_ptr<Region> region ((*r)->region());
3208
3209                 if (!in_command) {
3210                         begin_reversible_command (_("set sync point"));
3211                         in_command = true;
3212                 }
3213
3214                 XMLNode &before = region->playlist()->get_state();
3215                 region->set_sync_position (get_preferred_edit_position());
3216                 XMLNode &after = region->playlist()->get_state();
3217                 session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
3218         }
3219
3220         if (in_command) {
3221                 commit_reversible_command ();
3222         }
3223 }
3224
3225 /** Remove the sync positions of the selection */
3226 void
3227 Editor::remove_region_sync ()
3228 {
3229         RegionSelection rs;
3230
3231         get_regions_for_action (rs);
3232
3233         if (rs.empty()) {
3234                 return;
3235         }
3236
3237         begin_reversible_command (_("remove sync"));
3238         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
3239
3240                 XMLNode &before = (*i)->region()->playlist()->get_state();
3241                 (*i)->region()->clear_sync_position ();
3242                 XMLNode &after = (*i)->region()->playlist()->get_state();
3243                 session->add_command(new MementoCommand<Playlist>(*((*i)->region()->playlist()), &before, &after));
3244         }
3245         commit_reversible_command ();
3246 }
3247
3248 void
3249 Editor::naturalize ()
3250 {
3251         RegionSelection rs;
3252
3253         get_regions_for_action (rs);
3254
3255         if (rs.empty()) {
3256                 return;
3257         }
3258
3259         begin_reversible_command (_("naturalize"));
3260         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
3261                 XMLNode &before = (*i)->region()->get_state();
3262                 (*i)->region()->move_to_natural_position (this);
3263                 XMLNode &after = (*i)->region()->get_state();
3264                 session->add_command (new MementoCommand<Region>(*((*i)->region().get()), &before, &after));
3265         }
3266         commit_reversible_command ();
3267 }
3268
3269 void
3270 Editor::align (RegionPoint what)
3271 {
3272         RegionSelection rs;
3273
3274         get_regions_for_action (rs);
3275         nframes64_t where = get_preferred_edit_position();
3276
3277         if (!rs.empty()) {
3278                 align_selection (what, where, rs);
3279         } else {
3280
3281                 RegionSelection rs;
3282                 get_regions_at (rs, where, selection->tracks);
3283                 align_selection (what, where, rs);
3284         }
3285 }
3286
3287 void
3288 Editor::align_relative (RegionPoint what)
3289 {
3290         nframes64_t where = get_preferred_edit_position();
3291         RegionSelection rs;
3292
3293         get_regions_for_action (rs);
3294
3295         if (!rs.empty()) {
3296                 align_selection_relative (what, where, rs);
3297         }
3298 }
3299
3300 struct RegionSortByTime {
3301     bool operator() (const RegionView* a, const RegionView* b) {
3302             return a->region()->position() < b->region()->position();
3303     }
3304 };
3305
3306 void
3307 Editor::align_selection_relative (RegionPoint point, nframes64_t position, const RegionSelection& rs)
3308 {
3309         if (rs.empty()) {
3310                 return;
3311         }
3312
3313         nframes64_t distance = 0;
3314         nframes64_t pos = 0;
3315         int dir = 1;
3316
3317         list<RegionView*> sorted;
3318         rs.by_position (sorted);
3319
3320         boost::shared_ptr<Region> r ((*sorted.begin())->region());
3321
3322         switch (point) {
3323         case Start:
3324                 pos = position;
3325                 if (position > r->position()) {
3326                         distance = position - r->position();
3327                 } else {
3328                         distance = r->position() - position;
3329                         dir = -1;
3330                 }
3331                 break;
3332
3333         case End:
3334                 if (position > r->last_frame()) {
3335                         distance = position - r->last_frame();
3336                         pos = r->position() + distance;
3337                 } else {
3338                         distance = r->last_frame() - position;
3339                         pos = r->position() - distance;
3340                         dir = -1;
3341                 }
3342                 break;
3343
3344         case SyncPoint:
3345                 pos = r->adjust_to_sync (position);
3346                 if (pos > r->position()) {
3347                         distance = pos - r->position();
3348                 } else {
3349                         distance = r->position() - pos;
3350                         dir = -1;
3351                 }
3352                 break;
3353         }
3354
3355         if (pos == r->position()) {
3356                 return;
3357         }
3358
3359         begin_reversible_command (_("align selection (relative)"));
3360
3361         /* move first one specially */
3362
3363         XMLNode &before = r->playlist()->get_state();
3364         r->set_position (pos, this);
3365         XMLNode &after = r->playlist()->get_state();
3366         session->add_command(new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
3367
3368         /* move rest by the same amount */
3369
3370         sorted.pop_front();
3371
3372         for (list<RegionView*>::iterator i = sorted.begin(); i != sorted.end(); ++i) {
3373
3374                 boost::shared_ptr<Region> region ((*i)->region());
3375
3376                 XMLNode &before = region->playlist()->get_state();
3377
3378                 if (dir > 0) {
3379                         region->set_position (region->position() + distance, this);
3380                 } else {
3381                         region->set_position (region->position() - distance, this);
3382                 }
3383
3384                 XMLNode &after = region->playlist()->get_state();
3385                 session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
3386
3387         }
3388
3389         commit_reversible_command ();
3390 }
3391
3392 void
3393 Editor::align_selection (RegionPoint point, nframes64_t position, const RegionSelection& rs)
3394 {
3395         if (rs.empty()) {
3396                 return;
3397         }
3398
3399         begin_reversible_command (_("align selection"));
3400
3401         for (RegionSelection::const_iterator i = rs.begin(); i != rs.end(); ++i) {
3402                 align_region_internal ((*i)->region(), point, position);
3403         }
3404
3405         commit_reversible_command ();
3406 }
3407
3408 void
3409 Editor::align_region (boost::shared_ptr<Region> region, RegionPoint point, nframes64_t position)
3410 {
3411         begin_reversible_command (_("align region"));
3412         align_region_internal (region, point, position);
3413         commit_reversible_command ();
3414 }
3415
3416 void
3417 Editor::align_region_internal (boost::shared_ptr<Region> region, RegionPoint point, nframes64_t position)
3418 {
3419         XMLNode &before = region->playlist()->get_state();
3420
3421         switch (point) {
3422         case SyncPoint:
3423                 region->set_position (region->adjust_to_sync (position), this);
3424                 break;
3425
3426         case End:
3427                 if (position > region->length()) {
3428                         region->set_position (position - region->length(), this);
3429                 }
3430                 break;
3431
3432         case Start:
3433                 region->set_position (position, this);
3434                 break;
3435         }
3436
3437         XMLNode &after = region->playlist()->get_state();
3438         session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
3439 }
3440
3441 /** Trim the end of the selected regions to the position of the edit cursor */
3442 void
3443 Editor::trim_region_to_loop ()
3444 {
3445         Location* loc = session->locations()->auto_loop_location();
3446         if (!loc) {
3447                 return;
3448         }
3449         trim_region_to_location (*loc, _("trim to loop"));
3450 }
3451
3452 void
3453 Editor::trim_region_to_punch ()
3454 {
3455         Location* loc = session->locations()->auto_punch_location();
3456         if (!loc) {
3457                 return;
3458         }
3459         trim_region_to_location (*loc, _("trim to punch"));
3460 }
3461 void
3462 Editor::trim_region_to_location (const Location& loc, const char* str)
3463 {
3464         RegionSelection rs;
3465
3466         get_regions_for_action (rs);
3467
3468         begin_reversible_command (str);
3469
3470         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3471                 AudioRegionView* arv = dynamic_cast<AudioRegionView*> (*x);
3472
3473                 if (!arv) {
3474                         continue;
3475                 }
3476
3477                 /* require region to span proposed trim */
3478
3479                 switch (arv->region()->coverage (loc.start(), loc.end())) {
3480                 case OverlapInternal:
3481                         break;
3482                 default:
3483                         continue;
3484                 }
3485
3486                 AudioTimeAxisView* atav = dynamic_cast<AudioTimeAxisView*> (&arv->get_time_axis_view());
3487
3488                 if (!atav) {
3489                         return;
3490                 }
3491
3492                 float speed = 1.0;
3493                 nframes64_t start;
3494                 nframes64_t end;
3495
3496                 if (atav->get_diskstream() != 0) {
3497                         speed = atav->get_diskstream()->speed();
3498                 }
3499
3500                 start = session_frame_to_track_frame (loc.start(), speed);
3501                 end = session_frame_to_track_frame (loc.end(), speed);
3502
3503                 XMLNode &before = arv->region()->playlist()->get_state();
3504                 arv->region()->trim_to (start, (end - start), this);
3505                 XMLNode &after = arv->region()->playlist()->get_state();
3506                 session->add_command(new MementoCommand<Playlist>(*(arv->region()->playlist()), &before, &after));
3507         }
3508
3509         commit_reversible_command ();
3510 }
3511
3512 void
3513 Editor::trim_region_to_edit_point ()
3514 {
3515         RegionSelection rs;
3516
3517         get_regions_for_action (rs);
3518
3519         nframes64_t where = get_preferred_edit_position();
3520
3521         begin_reversible_command (_("trim region start to edit point"));
3522
3523         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3524                 AudioRegionView* arv = dynamic_cast<AudioRegionView*> (*x);
3525
3526                 if (!arv) {
3527                         continue;
3528                 }
3529
3530                 /* require region to cover trim */
3531
3532                 if (!arv->region()->covers (where)) {
3533                         continue;
3534                 }
3535
3536                 AudioTimeAxisView* atav = dynamic_cast<AudioTimeAxisView*> (&arv->get_time_axis_view());
3537
3538                 if (!atav) {
3539                         return;
3540                 }
3541
3542                 float speed = 1.0;
3543
3544                 if (atav->get_diskstream() != 0) {
3545                         speed = atav->get_diskstream()->speed();
3546                 }
3547
3548                 XMLNode &before = arv->region()->playlist()->get_state();
3549                 arv->region()->trim_end( session_frame_to_track_frame(where, speed), this);
3550                 XMLNode &after = arv->region()->playlist()->get_state();
3551                 session->add_command(new MementoCommand<Playlist>(*(arv->region()->playlist()), &before, &after));
3552         }
3553
3554         commit_reversible_command ();
3555 }
3556
3557 void
3558 Editor::trim_region_from_edit_point ()
3559 {
3560         RegionSelection rs;
3561
3562         get_regions_for_action (rs);
3563
3564         nframes64_t where = get_preferred_edit_position();
3565
3566         begin_reversible_command (_("trim region end to edit point"));
3567
3568         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3569                 AudioRegionView* arv = dynamic_cast<AudioRegionView*> (*x);
3570
3571                 if (!arv) {
3572                         continue;
3573                 }
3574
3575                 /* require region to cover trim */
3576
3577                 if (!arv->region()->covers (where)) {
3578                         continue;
3579                 }
3580
3581                 AudioTimeAxisView* atav = dynamic_cast<AudioTimeAxisView*> (&arv->get_time_axis_view());
3582
3583                 if (!atav) {
3584                         return;
3585                 }
3586
3587                 float speed = 1.0;
3588
3589                 if (atav->get_diskstream() != 0) {
3590                         speed = atav->get_diskstream()->speed();
3591                 }
3592
3593                 XMLNode &before = arv->region()->playlist()->get_state();
3594                 arv->region()->trim_front ( session_frame_to_track_frame(where, speed), this);
3595                 XMLNode &after = arv->region()->playlist()->get_state();
3596                 session->add_command(new MementoCommand<Playlist>(*(arv->region()->playlist()), &before, &after));
3597         }
3598
3599         commit_reversible_command ();
3600 }
3601
3602 void
3603 Editor::unfreeze_route ()
3604 {
3605         if (clicked_routeview == 0 || !clicked_routeview->is_audio_track()) {
3606                 return;
3607         }
3608
3609         clicked_routeview->audio_track()->unfreeze ();
3610 }
3611
3612 void*
3613 Editor::_freeze_thread (void* arg)
3614 {
3615         PBD::ThreadCreated (pthread_self(), X_("Freeze"));
3616         return static_cast<Editor*>(arg)->freeze_thread ();
3617 }
3618
3619 void*
3620 Editor::freeze_thread ()
3621 {
3622         clicked_routeview->audio_track()->freeze (*current_interthread_info);
3623         return 0;
3624 }
3625
3626 gint
3627 Editor::freeze_progress_timeout (void *arg)
3628 {
3629         interthread_progress_bar.set_fraction (current_interthread_info->progress/100);
3630         return !(current_interthread_info->done || current_interthread_info->cancel);
3631 }
3632
3633 void
3634 Editor::freeze_route ()
3635 {
3636         if (clicked_routeview == 0 || !clicked_routeview->is_audio_track()) {
3637                 return;
3638         }
3639
3640         InterThreadInfo itt;
3641
3642         if (interthread_progress_window == 0) {
3643                 build_interthread_progress_window ();
3644         }
3645
3646         WindowTitle title(Glib::get_application_name());
3647         title += _("Freeze");
3648         interthread_progress_window->set_title (title.get_string());
3649         interthread_progress_window->set_position (Gtk::WIN_POS_MOUSE);
3650         interthread_progress_window->show_all ();
3651         interthread_progress_bar.set_fraction (0.0f);
3652         interthread_progress_label.set_text ("");
3653         interthread_cancel_label.set_text (_("Cancel Freeze"));
3654         current_interthread_info = &itt;
3655
3656         interthread_progress_connection =
3657           Glib::signal_timeout().connect (bind (mem_fun(*this, &Editor::freeze_progress_timeout), (gpointer) 0), 100);
3658
3659         itt.done = false;
3660         itt.cancel = false;
3661         itt.progress = 0.0f;
3662
3663         pthread_attr_t attr;
3664         pthread_attr_init(&attr);
3665         pthread_attr_setstacksize(&attr, 500000);
3666
3667         pthread_create (&itt.thread, &attr, _freeze_thread, this);
3668
3669         pthread_attr_destroy(&attr);
3670
3671         track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
3672
3673         while (!itt.done && !itt.cancel) {
3674                 gtk_main_iteration ();
3675         }
3676
3677         interthread_progress_connection.disconnect ();
3678         interthread_progress_window->hide_all ();
3679         current_interthread_info = 0;
3680         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
3681 }
3682
3683 void
3684 Editor::bounce_range_selection (bool replace)
3685 {
3686         if (selection->time.empty()) {
3687                 return;
3688         }
3689
3690         TrackSelection views = selection->tracks;
3691
3692         nframes64_t start = selection->time[clicked_selection].start;
3693         nframes64_t end = selection->time[clicked_selection].end;
3694         nframes64_t cnt = end - start + 1;
3695
3696         begin_reversible_command (_("bounce range"));
3697
3698         for (TrackViewList::iterator i = views.begin(); i != views.end(); ++i) {
3699
3700                 RouteTimeAxisView* rtv;
3701
3702                 if ((rtv = dynamic_cast<RouteTimeAxisView*> (*i)) == 0) {
3703                         continue;
3704                 }
3705
3706                 boost::shared_ptr<Playlist> playlist;
3707
3708                 if ((playlist = rtv->playlist()) == 0) {
3709                         return;
3710                 }
3711
3712                 InterThreadInfo itt;
3713
3714                 itt.done = false;
3715                 itt.cancel = false;
3716                 itt.progress = false;
3717
3718                 XMLNode &before = playlist->get_state();
3719                 boost::shared_ptr<Region> r = rtv->track()->bounce_range (start, start+cnt, itt);
3720
3721                 if (replace) {
3722                         list<AudioRange> ranges;
3723                         ranges.push_back (AudioRange (start, start+cnt, 0));
3724                         playlist->cut (ranges); // discard result
3725                         playlist->add_region (r, start);
3726                 }
3727
3728                 XMLNode &after = playlist->get_state();
3729                 session->add_command (new MementoCommand<Playlist> (*playlist, &before, &after));
3730         }
3731
3732         commit_reversible_command ();
3733 }
3734
3735 /** Cut selected regions, automation points or a time range */
3736 void
3737 Editor::cut ()
3738 {
3739         cut_copy (Cut);
3740 }
3741
3742 /** Copy selected regions, automation points or a time range */
3743 void
3744 Editor::copy ()
3745 {
3746         cut_copy (Copy);
3747 }
3748
3749
3750 /** @return true if a Cut, Copy or Clear is possible */
3751 bool
3752 Editor::can_cut_copy () const
3753 {
3754         switch (current_mouse_mode()) {
3755
3756         case MouseObject:
3757                 if (!selection->regions.empty() || !selection->points.empty()) {
3758                         return true;
3759                 }
3760                 break;
3761
3762         case MouseRange:
3763                 if (!selection->time.empty()) {
3764                         return true;
3765                 }
3766                 break;
3767
3768         default:
3769                 break;
3770         }
3771
3772         return false;
3773 }
3774
3775
3776 /** Cut, copy or clear selected regions, automation points or a time range.
3777  * @param op Operation (Cut, Copy or Clear)
3778  */
3779 void
3780 Editor::cut_copy (CutCopyOp op)
3781 {
3782         /* only cancel selection if cut/copy is successful.*/
3783
3784         string opname;
3785
3786         switch (op) {
3787         case Cut:
3788                 opname = _("cut");
3789                 break;
3790         case Copy:
3791                 opname = _("copy");
3792                 break;
3793         case Clear:
3794                 opname = _("clear");
3795                 break;
3796         }
3797
3798         /* if we're deleting something, and the mouse is still pressed,
3799            the thing we started a drag for will be gone when we release
3800            the mouse button(s). avoid this. see part 2 at the end of
3801            this function.
3802         */
3803
3804         if (op == Cut || op == Clear) {
3805                 if (drag_info.item) {
3806                         drag_info.item->ungrab (0);
3807                         drag_info.item = 0;
3808                 }
3809         }
3810
3811         cut_buffer->clear ();
3812
3813         if (entered_marker) {
3814
3815                 /* cut/delete op while pointing at a marker */
3816
3817                 bool ignored;
3818                 Location* loc = find_location_from_marker (entered_marker, ignored);
3819
3820                 if (session && loc) {
3821                         Glib::signal_idle().connect (bind (mem_fun(*this, &Editor::really_remove_marker), loc));
3822                 }
3823
3824                 break_drag ();
3825
3826                 return;
3827         }
3828
3829         RegionSelection rs;
3830
3831         /* we only want to cut regions if some are selected */
3832
3833         if (!selection->regions.empty()) {
3834                 get_regions_for_action (rs);
3835         }
3836
3837         switch (current_mouse_mode()) {
3838         case MouseObject:
3839                 if (!rs.empty() || !selection->points.empty()) {
3840
3841                         begin_reversible_command (opname + _(" objects"));
3842
3843                         if (!rs.empty()) {
3844                                 cut_copy_regions (op, rs);
3845
3846                                 if (op == Cut) {
3847                                         selection->clear_regions ();
3848                                 }
3849                         }
3850
3851                         if (!selection->points.empty()) {
3852                                 cut_copy_points (op);
3853
3854                                 if (op == Cut) {
3855                                         selection->clear_points ();
3856                                 }
3857                         }
3858
3859                         commit_reversible_command ();
3860                         break; // terminate case statement here
3861                 }
3862                 if (!selection->time.empty()) {
3863                         /* don't cause suprises */
3864                         break;
3865                 }
3866                 // fall thru if there was nothing selected
3867
3868         case MouseRange:
3869                 if (selection->time.empty()) {
3870                         nframes64_t start, end;
3871                         if (!get_edit_op_range (start, end)) {
3872                                 return;
3873                         }
3874                         selection->set ((TimeAxisView*) 0, start, end);
3875                 }
3876
3877                 begin_reversible_command (opname + _(" range"));
3878                 cut_copy_ranges (op);
3879                 commit_reversible_command ();
3880
3881                 if (op == Cut) {
3882                         selection->clear_time ();
3883                 }
3884
3885                 break;
3886
3887         default:
3888                 break;
3889         }
3890
3891
3892         if (op == Cut || op == Clear) {
3893                 break_drag ();
3894         }
3895 }
3896
3897 /** Cut, copy or clear selected automation points.
3898  * @param op Operation (Cut, Copy or Clear)
3899  */
3900 void
3901 Editor::cut_copy_points (CutCopyOp op)
3902 {
3903         for (PointSelection::iterator i = selection->points.begin(); i != selection->points.end(); ++i) {
3904
3905                 AutomationTimeAxisView* atv = dynamic_cast<AutomationTimeAxisView*>(&(*i).track);
3906
3907                 if (atv) {
3908                         atv->cut_copy_clear_objects (selection->points, op);
3909                 }
3910         }
3911 }
3912
3913 struct PlaylistState {
3914     boost::shared_ptr<Playlist> playlist;
3915     XMLNode*  before;
3916 };
3917
3918 struct lt_playlist {
3919     bool operator () (const PlaylistState& a, const PlaylistState& b) {
3920             return a.playlist < b.playlist;
3921     }
3922 };
3923
3924 struct PlaylistMapping {
3925     TimeAxisView* tv;
3926     boost::shared_ptr<Playlist> pl;
3927
3928     PlaylistMapping (TimeAxisView* tvp) : tv (tvp) {}
3929 };
3930
3931
3932 /** Cut, copy or clear selected regions.
3933  * @param op Operation (Cut, Copy or Clear)
3934  */
3935 void
3936 Editor::cut_copy_regions (CutCopyOp op, RegionSelection& rs)
3937 {
3938         /* we can't use a std::map here because the ordering is important, and we can't trivially sort
3939            a map when we want ordered access to both elements. i think.
3940         */
3941
3942         vector<PlaylistMapping> pmap;
3943
3944         nframes64_t first_position = max_frames;
3945
3946         set<PlaylistState, lt_playlist> freezelist;
3947         pair<set<PlaylistState, lt_playlist>::iterator,bool> insert_result;
3948
3949         /* get ordering correct before we cut/copy */
3950
3951         rs.sort_by_position_and_track ();
3952
3953         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3954
3955                 first_position = min ((nframes64_t) (*x)->region()->position(), first_position);
3956
3957                 if (op == Cut || op == Clear) {
3958                         boost::shared_ptr<Playlist> pl = (*x)->region()->playlist();
3959
3960                         if (pl) {
3961
3962                                 PlaylistState before;
3963                                 before.playlist = pl;
3964                                 before.before = &pl->get_state();
3965
3966                                 insert_result = freezelist.insert (before);
3967
3968                                 if (insert_result.second) {
3969                                         pl->freeze ();
3970                                 }
3971                         }
3972                 }
3973
3974                 TimeAxisView* tv = &(*x)->get_trackview();
3975                 vector<PlaylistMapping>::iterator z;
3976
3977                 for (z = pmap.begin(); z != pmap.end(); ++z) {
3978                         if ((*z).tv == tv) {
3979                                 break;
3980                         }
3981                 }
3982
3983                 if (z == pmap.end()) {
3984                         pmap.push_back (PlaylistMapping (tv));
3985                 }
3986         }
3987
3988         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ) {
3989
3990                 boost::shared_ptr<Playlist> pl = (*x)->region()->playlist();
3991
3992                 if (!pl) {
3993                         /* impossible, but this handles it for the future */
3994                         continue;
3995                 }
3996
3997                 TimeAxisView& tv = (*x)->get_trackview();
3998                 boost::shared_ptr<Playlist> npl;
3999                 RegionSelection::iterator tmp;
4000
4001                 tmp = x;
4002                 ++tmp;
4003
4004                 vector<PlaylistMapping>::iterator z;
4005
4006                 for (z = pmap.begin(); z != pmap.end(); ++z) {
4007                         if ((*z).tv == &tv) {
4008                                 break;
4009                         }
4010                 }
4011
4012                 assert (z != pmap.end());
4013
4014                 if (!(*z).pl) {
4015                         npl = PlaylistFactory::create (pl->data_type(), *session, "cutlist", true);
4016                         npl->freeze();
4017                         (*z).pl = npl;
4018                 } else {
4019                         npl = (*z).pl;
4020                 }
4021
4022                 boost::shared_ptr<Region> r = (*x)->region();
4023                 boost::shared_ptr<Region> _xx;
4024
4025                 assert (r != 0);
4026
4027                 switch (op) {
4028                 case Cut:
4029                         _xx = RegionFactory::create (r);
4030                         npl->add_region (_xx, r->position() - first_position);
4031                         pl->remove_region (r);
4032                         break;
4033
4034                 case Copy:
4035                         /* copy region before adding, so we're not putting same object into two different playlists */
4036                         npl->add_region (RegionFactory::create (r), r->position() - first_position);
4037                         break;
4038
4039                 case Clear:
4040                         pl->remove_region (r);
4041                         break;
4042                 }
4043
4044                 x = tmp;
4045         }
4046
4047         list<boost::shared_ptr<Playlist> > foo;
4048
4049         /* the pmap is in the same order as the tracks in which selected regions occured */
4050
4051         for (vector<PlaylistMapping>::iterator i = pmap.begin(); i != pmap.end(); ++i) {
4052                 (*i).pl->thaw();
4053                 foo.push_back ((*i).pl);
4054         }
4055
4056
4057         if (!foo.empty()) {
4058                 cut_buffer->set (foo);
4059         }
4060
4061         for (set<PlaylistState, lt_playlist>::iterator pl = freezelist.begin(); pl != freezelist.end(); ++pl) {
4062                 (*pl).playlist->thaw ();
4063                 session->add_command (new MementoCommand<Playlist>(*(*pl).playlist, (*pl).before, &(*pl).playlist->get_state()));
4064         }
4065 }
4066
4067 void
4068 Editor::cut_copy_ranges (CutCopyOp op)
4069 {
4070         TrackSelection* ts;
4071         TrackSelection entered;
4072
4073         if (selection->tracks.empty()) {
4074                 if (!entered_track) {
4075                         return;
4076                 }
4077                 entered.push_back (entered_track);
4078                 ts = &entered;
4079         } else {
4080                 ts = &selection->tracks;
4081         }
4082
4083         for (TrackSelection::iterator i = ts->begin(); i != ts->end(); ++i) {
4084                 (*i)->cut_copy_clear (*selection, op);
4085         }
4086 }
4087
4088 void
4089 Editor::paste (float times)
4090 {
4091         paste_internal (get_preferred_edit_position(), times);
4092 }
4093
4094 void
4095 Editor::mouse_paste ()
4096 {
4097         nframes64_t where;
4098         bool ignored;
4099
4100         if (!mouse_frame (where, ignored)) {
4101                 return;
4102         }
4103
4104         snap_to (where);
4105         paste_internal (where, 1);
4106 }
4107
4108 void
4109 Editor::paste_internal (nframes64_t position, float times)
4110 {
4111         bool commit = false;
4112
4113         if (cut_buffer->empty()) {
4114                 return;
4115         }
4116
4117         if (position == max_frames) {
4118                 position = get_preferred_edit_position();
4119         }
4120
4121         begin_reversible_command (_("paste"));
4122
4123         TrackSelection ts;
4124         TrackSelection::iterator i;
4125         size_t nth;
4126
4127         /* get everything in the correct order */
4128
4129
4130         if (!selection->tracks.empty()) {
4131                 sort_track_selection ();
4132                 ts = selection->tracks;
4133         } else if (entered_track) {
4134                 ts.push_back (entered_track);
4135         }
4136
4137         for (nth = 0, i = ts.begin(); i != ts.end(); ++i, ++nth) {
4138
4139                 /* undo/redo is handled by individual tracks */
4140
4141                 if ((*i)->paste (position, times, *cut_buffer, nth)) {
4142                         commit = true;
4143                 }
4144         }
4145
4146         if (commit) {
4147                 commit_reversible_command ();
4148         }
4149 }
4150
4151 void
4152 Editor::paste_named_selection (float times)
4153 {
4154         TrackSelection::iterator t;
4155
4156         Glib::RefPtr<TreeSelection> selected = named_selection_display.get_selection();
4157
4158         if (selected->count_selected_rows() != 1 || selection->tracks.empty()) {
4159                 return;
4160         }
4161
4162         TreeModel::iterator i = selected->get_selected();
4163         NamedSelection* ns = (*i)[named_selection_columns.selection];
4164
4165         list<boost::shared_ptr<Playlist> >::iterator chunk;
4166         list<boost::shared_ptr<Playlist> >::iterator tmp;
4167
4168         chunk = ns->playlists.begin();
4169
4170         begin_reversible_command (_("paste chunk"));
4171
4172         sort_track_selection ();
4173
4174         for (t = selection->tracks.begin(); t != selection->tracks.end(); ++t) {
4175
4176                 RouteTimeAxisView* rtv;
4177                 boost::shared_ptr<Playlist> pl;
4178                 boost::shared_ptr<AudioPlaylist> apl;
4179
4180                 if ((rtv = dynamic_cast<RouteTimeAxisView*> (*t)) == 0) {
4181                         continue;
4182                 }
4183
4184                 if ((pl = rtv->playlist()) == 0) {
4185                         continue;
4186                 }
4187
4188                 if ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) == 0) {
4189                         continue;
4190                 }
4191
4192                 tmp = chunk;
4193                 ++tmp;
4194
4195                 XMLNode &before = apl->get_state();
4196                 apl->paste (*chunk, get_preferred_edit_position(), times);
4197                 session->add_command(new MementoCommand<AudioPlaylist>(*apl, &before, &apl->get_state()));
4198
4199                 if (tmp != ns->playlists.end()) {
4200                         chunk = tmp;
4201                 }
4202         }
4203
4204         commit_reversible_command();
4205 }
4206
4207 void
4208 Editor::duplicate_some_regions (RegionSelection& regions, float times)
4209 {
4210         boost::shared_ptr<Playlist> playlist;
4211         RegionSelection sel = regions; // clear (below) may  clear the argument list if its the current region selection
4212         RegionSelection foo;
4213
4214         begin_reversible_command (_("duplicate region"));
4215
4216         selection->clear_regions ();
4217
4218         for (RegionSelection::iterator i = sel.begin(); i != sel.end(); ++i) {
4219
4220                 boost::shared_ptr<Region> r ((*i)->region());
4221
4222                 TimeAxisView& tv = (*i)->get_time_axis_view();
4223                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (&tv);
4224                 latest_regionviews.clear ();
4225                 sigc::connection c = rtv->view()->RegionViewAdded.connect (mem_fun(*this, &Editor::collect_new_region_view));
4226
4227                 playlist = (*i)->region()->playlist();
4228                 XMLNode &before = playlist->get_state();
4229                 playlist->duplicate (r, r->last_frame(), times);
4230                 session->add_command(new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
4231
4232                 c.disconnect ();
4233
4234                 foo.insert (foo.end(), latest_regionviews.begin(), latest_regionviews.end());
4235         }
4236
4237         commit_reversible_command ();
4238
4239         if (!foo.empty()) {
4240                 selection->set (foo);
4241         }
4242 }
4243
4244 void
4245 Editor::duplicate_selection (float times)
4246 {
4247         if (selection->time.empty() || selection->tracks.empty()) {
4248                 return;
4249         }
4250
4251         boost::shared_ptr<Playlist> playlist;
4252         vector<boost::shared_ptr<Region> > new_regions;
4253         vector<boost::shared_ptr<Region> >::iterator ri;
4254
4255         create_region_from_selection (new_regions);
4256
4257         if (new_regions.empty()) {
4258                 return;
4259         }
4260
4261         begin_reversible_command (_("duplicate selection"));
4262
4263         ri = new_regions.begin();
4264
4265         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4266                 if ((playlist = (*i)->playlist()) == 0) {
4267                         continue;
4268                 }
4269                 XMLNode &before = playlist->get_state();
4270                 playlist->duplicate (*ri, selection->time[clicked_selection].end, times);
4271                 XMLNode &after = playlist->get_state();
4272                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &after));
4273
4274                 ++ri;
4275                 if (ri == new_regions.end()) {
4276                         --ri;
4277                 }
4278         }
4279
4280         commit_reversible_command ();
4281 }
4282
4283 void
4284 Editor::reset_point_selection ()
4285 {
4286         /* reset all selected points to the relevant default value */
4287
4288         for (PointSelection::iterator i = selection->points.begin(); i != selection->points.end(); ++i) {
4289
4290                 AutomationTimeAxisView* atv = dynamic_cast<AutomationTimeAxisView*>(&(*i).track);
4291
4292                 if (atv) {
4293                         atv->reset_objects (selection->points);
4294                 }
4295         }
4296 }
4297
4298 void
4299 Editor::center_playhead ()
4300 {
4301         float page = canvas_width * frames_per_unit;
4302         center_screen_internal (playhead_cursor->current_frame, page);
4303 }
4304
4305 void
4306 Editor::center_edit_point ()
4307 {
4308         float page = canvas_width * frames_per_unit;
4309         center_screen_internal (get_preferred_edit_position(), page);
4310 }
4311
4312 void
4313 Editor::clear_playlist (boost::shared_ptr<Playlist> playlist)
4314 {
4315         begin_reversible_command (_("clear playlist"));
4316         XMLNode &before = playlist->get_state();
4317         playlist->clear ();
4318         XMLNode &after = playlist->get_state();
4319         session->add_command (new MementoCommand<Playlist>(*playlist.get(), &before, &after));
4320         commit_reversible_command ();
4321 }
4322
4323 void
4324 Editor::nudge_track (bool use_edit, bool forwards)
4325 {
4326         boost::shared_ptr<Playlist> playlist;
4327         nframes64_t distance;
4328         nframes64_t next_distance;
4329         nframes64_t start;
4330
4331         if (use_edit) {
4332                 start = get_preferred_edit_position();
4333         } else {
4334                 start = 0;
4335         }
4336
4337         if ((distance = get_nudge_distance (start, next_distance)) == 0) {
4338                 return;
4339         }
4340
4341         if (selection->tracks.empty()) {
4342                 return;
4343         }
4344
4345         begin_reversible_command (_("nudge track"));
4346
4347         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4348
4349                 if ((playlist = (*i)->playlist()) == 0) {
4350                         continue;
4351                 }
4352
4353                 XMLNode &before = playlist->get_state();
4354                 playlist->nudge_after (start, distance, forwards);
4355                 XMLNode &after = playlist->get_state();
4356                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &after));
4357         }
4358
4359         commit_reversible_command ();
4360 }
4361
4362 void
4363 Editor::remove_last_capture ()
4364 {
4365         vector<string> choices;
4366         string prompt;
4367
4368         if (!session) {
4369                 return;
4370         }
4371
4372         if (Config->get_verify_remove_last_capture()) {
4373                 prompt  = _("Do you really want to destroy the last capture?"
4374                             "\n(This is destructive and cannot be undone)");
4375
4376                 choices.push_back (_("No, do nothing."));
4377                 choices.push_back (_("Yes, destroy it."));
4378
4379                 Gtkmm2ext::Choice prompter (prompt, choices);
4380
4381                 if (prompter.run () == 1) {
4382                         session->remove_last_capture ();
4383                 }
4384
4385         } else {
4386                 session->remove_last_capture();
4387         }
4388 }
4389
4390 void
4391 Editor::normalize_region ()
4392 {
4393         RegionSelection rs;
4394
4395         get_regions_for_action (rs);
4396
4397         if (!session) {
4398                 return;
4399         }
4400
4401         if (rs.empty()) {
4402                 return;
4403         }
4404
4405         begin_reversible_command (_("normalize"));
4406
4407         track_canvas->get_window()->set_cursor (*wait_cursor);
4408         gdk_flush ();
4409
4410         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
4411                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4412                 if (!arv)
4413                         continue;
4414                 XMLNode &before = arv->region()->get_state();
4415                 arv->audio_region()->normalize_to (0.0f);
4416                 session->add_command (new MementoCommand<Region>(*(arv->region().get()), &before, &arv->region()->get_state()));
4417         }
4418
4419         commit_reversible_command ();
4420         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
4421 }
4422
4423
4424 void
4425 Editor::denormalize_region ()
4426 {
4427         if (!session) {
4428                 return;
4429         }
4430
4431         RegionSelection rs;
4432
4433         get_regions_for_action (rs);
4434
4435         if (rs.empty()) {
4436                 return;
4437         }
4438
4439         begin_reversible_command ("denormalize");
4440
4441         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
4442                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4443                 if (!arv)
4444                         continue;
4445                 XMLNode &before = arv->region()->get_state();
4446                 arv->audio_region()->set_scale_amplitude (1.0f);
4447                 session->add_command (new MementoCommand<Region>(*(arv->region().get()), &before, &arv->region()->get_state()));
4448         }
4449
4450         commit_reversible_command ();
4451 }
4452
4453 void
4454 Editor::adjust_region_scale_amplitude (bool up)
4455 {
4456         if (!session) {
4457                 return;
4458         }
4459
4460         RegionSelection rs;
4461
4462         get_regions_for_action (rs);
4463
4464         if (rs.empty()) {
4465                 return;
4466         }
4467
4468         begin_reversible_command ("denormalize");
4469
4470         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
4471                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4472                 if (!arv)
4473                         continue;
4474                 XMLNode &before = arv->region()->get_state();
4475
4476                 double fraction = gain_to_slider_position (arv->audio_region()->scale_amplitude ());
4477
4478                 if (up) {
4479                         fraction += 0.05;
4480                         fraction = min (fraction, 1.0);
4481                 } else {
4482                         fraction -= 0.05;
4483                         fraction = max (fraction, 0.0);
4484                 }
4485
4486                 if (!up && fraction <= 0) {
4487                         continue;
4488                 }
4489
4490                 fraction = slider_position_to_gain (fraction);
4491                 fraction = coefficient_to_dB (fraction);
4492                 fraction = dB_to_coefficient (fraction);
4493
4494                 if (up && fraction >= 2.0) {
4495                         continue;
4496                 }
4497
4498                 arv->audio_region()->set_scale_amplitude (fraction);
4499                 session->add_command (new MementoCommand<Region>(*(arv->region().get()), &before, &arv->region()->get_state()));
4500         }
4501
4502         commit_reversible_command ();
4503 }
4504
4505
4506 void
4507 Editor::reverse_region ()
4508 {
4509         if (!session) {
4510                 return;
4511         }
4512
4513         Reverse rev (*session);
4514         apply_filter (rev, _("reverse regions"));
4515 }
4516
4517
4518 void
4519 Editor::quantize_region ()
4520 {
4521         if (!session) {
4522                 return;
4523         }
4524
4525         // FIXME: varying meter?
4526         Quantize quant (*session, snap_length_beats(0));
4527         apply_filter (quant, _("quantize regions"));
4528 }
4529
4530 void
4531 Editor::apply_filter (Filter& filter, string command)
4532 {
4533         RegionSelection rs;
4534
4535         get_regions_for_action (rs);
4536
4537         if (rs.empty()) {
4538                 return;
4539         }
4540
4541         begin_reversible_command (command);
4542
4543         track_canvas->get_window()->set_cursor (*wait_cursor);
4544         gdk_flush ();
4545
4546         for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ) {
4547                 RegionSelection::iterator tmp = r;
4548                 ++tmp;
4549
4550                 MidiRegionView* const mrv = dynamic_cast<MidiRegionView*>(*r);
4551                 if (mrv) {
4552                         if (mrv->midi_region()->apply(filter) == 0) {
4553                                 mrv->redisplay_model();
4554                         }
4555                 }
4556
4557                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
4558                 if (arv) {
4559                         boost::shared_ptr<Playlist> playlist = arv->region()->playlist();
4560
4561                         if (arv->audio_region()->apply (filter) == 0) {
4562
4563                                 XMLNode &before = playlist->get_state();
4564                                 playlist->replace_region (arv->region(), filter.results.front(), arv->region()->position());
4565                                 XMLNode &after = playlist->get_state();
4566                                 session->add_command(new MementoCommand<Playlist>(*playlist, &before, &after));
4567                         } else {
4568                                 goto out;
4569                         }
4570                 }
4571
4572                 r = tmp;
4573         }
4574
4575         commit_reversible_command ();
4576         rs.clear ();
4577
4578   out:
4579         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
4580 }
4581
4582 void
4583 Editor::region_selection_op (void (Region::*pmf)(void))
4584 {
4585         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4586                 Region* region = (*i)->region().get();
4587                 (region->*pmf)();
4588         }
4589 }
4590
4591
4592 void
4593 Editor::region_selection_op (void (Region::*pmf)(void*), void *arg)
4594 {
4595         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4596                 Region* region = (*i)->region().get();
4597                 (region->*pmf)(arg);
4598         }
4599 }
4600
4601 void
4602 Editor::region_selection_op (void (Region::*pmf)(bool), bool yn)
4603 {
4604         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4605                 Region* region = (*i)->region().get();
4606                 (region->*pmf)(yn);
4607         }
4608 }
4609
4610 void
4611 Editor::external_edit_region ()
4612 {
4613         /* more to come */
4614 }
4615
4616 void
4617 Editor::brush (nframes64_t pos)
4618 {
4619         RegionSelection sel;
4620         RegionSelection rs;
4621
4622         get_regions_for_action (rs);
4623
4624         snap_to (pos);
4625
4626         if (rs.empty()) {
4627                 return;
4628         }
4629
4630         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4631                 mouse_brush_insert_region ((*i), pos);
4632         }
4633 }
4634
4635 void
4636 Editor::reset_region_gain_envelopes ()
4637 {
4638         RegionSelection rs;
4639
4640         get_regions_for_action (rs);
4641
4642         if (!session || rs.empty()) {
4643                 return;
4644         }
4645
4646         session->begin_reversible_command (_("reset region gain"));
4647
4648         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4649                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4650                 if (arv) {
4651                         boost::shared_ptr<AutomationList> alist (arv->audio_region()->envelope());
4652                         XMLNode& before (alist->get_state());
4653
4654                         arv->audio_region()->set_default_envelope ();
4655                         session->add_command (new MementoCommand<AutomationList>(*arv->audio_region()->envelope().get(), &before, &alist->get_state()));
4656                 }
4657         }
4658
4659         session->commit_reversible_command ();
4660 }
4661
4662 void
4663 Editor::toggle_gain_envelope_visibility ()
4664 {
4665         RegionSelection rs;
4666
4667         get_regions_for_action (rs);
4668
4669         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4670                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4671                 if (arv) {
4672                         arv->set_envelope_visible (!arv->envelope_visible());
4673                 }
4674         }
4675 }
4676
4677 void
4678 Editor::toggle_gain_envelope_active ()
4679 {
4680         RegionSelection rs;
4681
4682         get_regions_for_action (rs);
4683
4684         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4685                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4686                 if (arv) {
4687                         arv->audio_region()->set_envelope_active (!arv->audio_region()->envelope_active());
4688                 }
4689         }
4690 }
4691
4692 void
4693 Editor::toggle_region_lock ()
4694 {
4695         RegionSelection rs;
4696
4697         get_regions_for_action (rs);
4698
4699         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4700                 (*i)->region()->set_locked (!(*i)->region()->locked());
4701         }
4702 }
4703
4704 void
4705 Editor::set_region_lock_style (Region::PositionLockStyle ps)
4706 {
4707         RegionSelection rs;
4708
4709         get_regions_for_action (rs);
4710
4711         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4712                 (*i)->region()->set_position_lock_style (ps);
4713         }
4714 }
4715
4716
4717 void
4718 Editor::toggle_region_mute ()
4719 {
4720         RegionSelection rs;
4721
4722         get_regions_for_action (rs);
4723
4724         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4725                 (*i)->region()->set_muted (!(*i)->region()->muted());
4726         }
4727 }
4728
4729 void
4730 Editor::toggle_region_opaque ()
4731 {
4732         RegionSelection rs;
4733
4734         get_regions_for_action (rs);
4735
4736         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
4737                 (*i)->region()->set_opaque (!(*i)->region()->opaque());
4738         }
4739 }
4740
4741 void
4742 Editor::set_fade_length (bool in)
4743 {
4744         RegionSelection rs;
4745
4746         get_regions_for_action (rs);
4747
4748         /* we need a region to measure the offset from the start */
4749
4750         RegionView* rv;
4751
4752         if (!rs.empty()) {
4753                 rv = rs.front();
4754         } else if (entered_regionview) {
4755                 rv = entered_regionview;
4756         } else {
4757                 return;
4758         }
4759
4760         nframes64_t pos = get_preferred_edit_position();
4761         nframes64_t len;
4762         char* cmd;
4763
4764         if (pos > rv->region()->last_frame() || pos < rv->region()->first_frame()) {
4765                 /* edit point is outside the relevant region */
4766                 return;
4767         }
4768
4769         if (in) {
4770                 if (pos <= rv->region()->position()) {
4771                         /* can't do it */
4772                         return;
4773                 }
4774                 len = pos - rv->region()->position();
4775                 cmd = _("set fade in length");
4776         } else {
4777                 if (pos >= rv->region()->last_frame()) {
4778                         /* can't do it */
4779                         return;
4780                 }
4781                 len = rv->region()->last_frame() - pos;
4782                 cmd = _("set fade out length");
4783         }
4784
4785         begin_reversible_command (cmd);
4786
4787         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
4788                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
4789
4790                 if (!tmp) {
4791                         return;
4792                 }
4793
4794                 boost::shared_ptr<AutomationList> alist;
4795                 if (in) {
4796                         alist = tmp->audio_region()->fade_in();
4797                 } else {
4798                         alist = tmp->audio_region()->fade_out();
4799                 }
4800
4801                 XMLNode &before = alist->get_state();
4802
4803                 if (in) {
4804                         tmp->audio_region()->set_fade_in_length (len);
4805                         tmp->audio_region()->set_fade_in_active (true);
4806                 } else {
4807                         tmp->audio_region()->set_fade_out_length (len);
4808                         tmp->audio_region()->set_fade_out_active (true);
4809                 }
4810
4811                 XMLNode &after = alist->get_state();
4812                 session->add_command(new MementoCommand<AutomationList>(*alist, &before, &after));
4813         }
4814
4815         commit_reversible_command ();
4816 }
4817
4818 void
4819 Editor::toggle_fade_active (bool in)
4820 {
4821         RegionSelection rs;
4822
4823         get_regions_for_action (rs);
4824
4825         if (rs.empty()) {
4826                 return;
4827         }
4828
4829         const char* cmd = (in ? _("toggle fade in active") : _("toggle fade out active"));
4830         bool have_switch = false;
4831         bool yn = false;
4832
4833         begin_reversible_command (cmd);
4834
4835         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
4836                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
4837
4838                 if (!tmp) {
4839                         return;
4840                 }
4841
4842                 boost::shared_ptr<AudioRegion> region (tmp->audio_region());
4843
4844                 /* make the behaviour consistent across all regions */
4845
4846                 if (!have_switch) {
4847                         if (in) {
4848                                 yn = region->fade_in_active();
4849                         } else {
4850                                 yn = region->fade_out_active();
4851                         }
4852                         have_switch = true;
4853                 }
4854
4855                 XMLNode &before = region->get_state();
4856                 if (in) {
4857                         region->set_fade_in_active (!yn);
4858                 } else {
4859                         region->set_fade_out_active (!yn);
4860                 }
4861                 XMLNode &after = region->get_state();
4862                 session->add_command(new MementoCommand<AudioRegion>(*region.get(), &before, &after));
4863         }
4864
4865         commit_reversible_command ();
4866 }
4867
4868 void
4869 Editor::set_fade_in_shape (AudioRegion::FadeShape shape)
4870 {
4871         RegionSelection rs;
4872
4873         get_regions_for_action (rs);
4874
4875         if (rs.empty()) {
4876                 return;
4877         }
4878
4879         begin_reversible_command (_("set fade in shape"));
4880
4881         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
4882                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
4883
4884                 if (!tmp) {
4885                         return;
4886                 }
4887
4888                 boost::shared_ptr<AutomationList> alist = tmp->audio_region()->fade_in();
4889                 XMLNode &before = alist->get_state();
4890
4891                 tmp->audio_region()->set_fade_in_shape (shape);
4892
4893                 XMLNode &after = alist->get_state();
4894                 session->add_command(new MementoCommand<AutomationList>(*alist.get(), &before, &after));
4895         }
4896
4897         commit_reversible_command ();
4898
4899 }
4900
4901 void
4902 Editor::set_fade_out_shape (AudioRegion::FadeShape shape)
4903 {
4904         RegionSelection rs;
4905
4906         get_regions_for_action (rs);
4907
4908         if (rs.empty()) {
4909                 return;
4910         }
4911
4912         begin_reversible_command (_("set fade out shape"));
4913
4914         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
4915                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
4916
4917                 if (!tmp) {
4918                         return;
4919                 }
4920
4921                 boost::shared_ptr<AutomationList> alist = tmp->audio_region()->fade_out();
4922                 XMLNode &before = alist->get_state();
4923
4924                 tmp->audio_region()->set_fade_out_shape (shape);
4925
4926                 XMLNode &after = alist->get_state();
4927                 session->add_command(new MementoCommand<AutomationList>(*alist.get(), &before, &after));
4928         }
4929
4930         commit_reversible_command ();
4931 }
4932
4933 void
4934 Editor::set_fade_in_active (bool yn)
4935 {
4936         RegionSelection rs;
4937
4938         get_regions_for_action (rs);
4939
4940         if (rs.empty()) {
4941                 return;
4942         }
4943
4944         begin_reversible_command (_("set fade in active"));
4945
4946         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
4947                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
4948
4949                 if (!tmp) {
4950                         return;
4951                 }
4952
4953
4954                 boost::shared_ptr<AudioRegion> ar (tmp->audio_region());
4955
4956                 XMLNode &before = ar->get_state();
4957
4958                 ar->set_fade_in_active (yn);
4959
4960                 XMLNode &after = ar->get_state();
4961                 session->add_command(new MementoCommand<AudioRegion>(*ar, &before, &after));
4962         }
4963
4964         commit_reversible_command ();
4965 }
4966
4967 void
4968 Editor::set_fade_out_active (bool yn)
4969 {
4970         RegionSelection rs;
4971
4972         get_regions_for_action (rs);
4973
4974         if (rs.empty()) {
4975                 return;
4976         }
4977
4978         begin_reversible_command (_("set fade out active"));
4979
4980         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
4981                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
4982
4983                 if (!tmp) {
4984                         return;
4985                 }
4986
4987                 boost::shared_ptr<AudioRegion> ar (tmp->audio_region());
4988
4989                 XMLNode &before = ar->get_state();
4990
4991                 ar->set_fade_out_active (yn);
4992
4993                 XMLNode &after = ar->get_state();
4994                 session->add_command(new MementoCommand<AudioRegion>(*ar, &before, &after));
4995         }
4996
4997         commit_reversible_command ();
4998 }
4999
5000 void
5001 Editor::toggle_selected_region_fades (int dir)
5002 {
5003         RegionSelection rs;
5004         RegionSelection::iterator i;
5005         boost::shared_ptr<AudioRegion> ar;
5006         bool yn;
5007
5008         get_regions_for_action (rs);
5009
5010         if (rs.empty()) {
5011                 return;
5012         }
5013
5014         for (i = rs.begin(); i != rs.end(); ++i) {
5015                 if ((ar = boost::dynamic_pointer_cast<AudioRegion>((*i)->region())) != 0) {
5016                         if (dir == -1) {
5017                                 yn = ar->fade_out_active ();
5018                         } else {
5019                                 yn = ar->fade_in_active ();
5020                         }
5021                         break;
5022                 }
5023         }
5024
5025         if (i == rs.end()) {
5026                 return;
5027         }
5028
5029         /* XXX should this undo-able? */
5030
5031         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5032                 if ((ar = boost::dynamic_pointer_cast<AudioRegion>((*i)->region())) == 0) {
5033                         continue;
5034                 }
5035                 if (dir == 1 || dir == 0) {
5036                         ar->set_fade_in_active (!yn);
5037                 }
5038
5039                 if (dir == -1 || dir == 0) {
5040                         ar->set_fade_out_active (!yn);
5041                 }
5042         }
5043 }
5044
5045
5046 /** Update region fade visibility after its configuration has been changed */
5047 void
5048 Editor::update_region_fade_visibility ()
5049 {
5050         bool _fade_visibility = Config->get_show_region_fades ();
5051
5052         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5053                 AudioTimeAxisView* v = dynamic_cast<AudioTimeAxisView*>(*i);
5054                 if (v) {
5055                         if (_fade_visibility) {
5056                                 v->audio_view()->show_all_fades ();
5057                         } else {
5058                                 v->audio_view()->hide_all_fades ();
5059                         }
5060                 }
5061         }
5062 }
5063
5064 /** Update crossfade visibility after its configuration has been changed */
5065 void
5066 Editor::update_xfade_visibility ()
5067 {
5068         _xfade_visibility = Config->get_xfades_visible ();
5069
5070         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5071                 AudioTimeAxisView* v = dynamic_cast<AudioTimeAxisView*>(*i);
5072                 if (v) {
5073                         if (_xfade_visibility) {
5074                                 v->show_all_xfades ();
5075                         } else {
5076                                 v->hide_all_xfades ();
5077                         }
5078                 }
5079         }
5080 }
5081
5082 void
5083 Editor::set_edit_point ()
5084 {
5085         nframes64_t where;
5086         bool ignored;
5087
5088         if (!mouse_frame (where, ignored)) {
5089                 return;
5090         }
5091
5092         snap_to (where);
5093
5094         if (selection->markers.empty()) {
5095
5096                 mouse_add_new_marker (where);
5097
5098         } else {
5099                 bool ignored;
5100
5101                 Location* loc = find_location_from_marker (selection->markers.front(), ignored);
5102
5103                 if (loc) {
5104                         loc->move_to (where);
5105                 }
5106         }
5107 }
5108
5109 void
5110 Editor::set_playhead_cursor ()
5111 {
5112         if (entered_marker) {
5113                 session->request_locate (entered_marker->position(), session->transport_rolling());
5114         } else {
5115                 nframes64_t where;
5116                 bool ignored;
5117
5118                 if (!mouse_frame (where, ignored)) {
5119                         return;
5120                 }
5121
5122                 snap_to (where);
5123
5124                 if (session) {
5125                         session->request_locate (where, session->transport_rolling());
5126                 }
5127         }
5128 }
5129
5130 void
5131 Editor::split ()
5132 {
5133         RegionSelection rs;
5134
5135         get_regions_for_action (rs);
5136
5137         nframes64_t where = get_preferred_edit_position();
5138
5139         if (rs.empty()) {
5140                 return;
5141         }
5142
5143         split_regions_at (where, rs);
5144 }
5145
5146 void
5147 Editor::ensure_entered_track_selected (bool op_really_wants_one_track_if_none_are_selected)
5148 {
5149         if (entered_track && mouse_mode == MouseObject) {
5150                 if (!selection->tracks.empty()) {
5151                         if (!selection->selected (entered_track)) {
5152                                 selection->add (entered_track);
5153                         }
5154                 } else {
5155                         /* there is no selection, but this operation requires/prefers selected objects */
5156
5157                         if (op_really_wants_one_track_if_none_are_selected) {
5158                                 selection->set (entered_track);
5159                         }
5160                 }
5161         }
5162 }
5163
5164 void
5165 Editor::trim_region_front ()
5166 {
5167         trim_region (true);
5168 }
5169
5170 void
5171 Editor::trim_region_back ()
5172 {
5173         trim_region (false);
5174 }
5175
5176 void
5177 Editor::trim_region (bool front)
5178 {
5179         nframes64_t where = get_preferred_edit_position();
5180         RegionSelection rs;
5181
5182         get_regions_for_action (rs);
5183
5184         if (rs.empty()) {
5185                 return;
5186         }
5187
5188         begin_reversible_command (front ? _("trim front") : _("trim back"));
5189
5190         for (list<RegionView*>::const_iterator i = rs.by_layer().begin(); i != rs.by_layer().end(); ++i) {
5191                 if (!(*i)->region()->locked()) {
5192                         boost::shared_ptr<Playlist> pl = (*i)->region()->playlist();
5193                         XMLNode &before = pl->get_state();
5194                         if (front) {
5195                                 (*i)->region()->trim_front (where, this);
5196                         } else {
5197                                 (*i)->region()->trim_end (where, this);
5198                         }
5199                         XMLNode &after = pl->get_state();
5200                         session->add_command(new MementoCommand<Playlist>(*pl.get(), &before, &after));
5201                 }
5202         }
5203
5204         commit_reversible_command ();
5205 }
5206
5207 struct EditorOrderRouteSorter {
5208     bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
5209             /* use of ">" forces the correct sort order */
5210             return a->order_key ("editor") < b->order_key ("editor");
5211     }
5212 };
5213
5214 void
5215 Editor::select_next_route()
5216 {
5217         if (selection->tracks.empty()) {
5218                 selection->set (track_views.front());
5219                 return;
5220         }
5221
5222         TimeAxisView* current = selection->tracks.front();
5223
5224         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
5225                 if (*i == current) {
5226                         ++i;
5227                         if (i != track_views.end()) {
5228                                 selection->set (*i);
5229                         } else {
5230                                 selection->set (*(track_views.begin()));
5231                         }
5232                         break;
5233                 }
5234         }
5235 }
5236
5237 void
5238 Editor::select_prev_route()
5239 {
5240         if (selection->tracks.empty()) {
5241                 selection->set (track_views.front());
5242                 return;
5243         }
5244
5245         TimeAxisView* current = selection->tracks.front();
5246
5247         for (TrackViewList::reverse_iterator i = track_views.rbegin(); i != track_views.rend(); ++i) {
5248                 if (*i == current) {
5249                         ++i;
5250                         if (i != track_views.rend()) {
5251                                 selection->set (*i);
5252                         } else {
5253                                 selection->set (*(track_views.rbegin()));
5254                         }
5255                         break;
5256                 }
5257         }
5258 }
5259
5260 void
5261 Editor::set_loop_from_selection (bool play)
5262 {
5263         if (session == 0 || selection->time.empty()) {
5264                 return;
5265         }
5266
5267         nframes64_t start = selection->time[clicked_selection].start;
5268         nframes64_t end = selection->time[clicked_selection].end;
5269
5270         set_loop_range (start, end,  _("set loop range from selection"));
5271
5272         if (play) {
5273                 session->request_play_loop (true);
5274                 session->request_locate (start, true);
5275         }
5276 }
5277
5278 void
5279 Editor::set_loop_from_edit_range (bool play)
5280 {
5281         if (session == 0) {
5282                 return;
5283         }
5284
5285         nframes64_t start;
5286         nframes64_t end;
5287
5288         if (!get_edit_op_range (start, end)) {
5289                 return;
5290         }
5291
5292         set_loop_range (start, end,  _("set loop range from edit range"));
5293
5294         if (play) {
5295                 session->request_play_loop (true);
5296                 session->request_locate (start, true);
5297         }
5298 }
5299
5300 void
5301 Editor::set_loop_from_region (bool play)
5302 {
5303         nframes64_t start = max_frames;
5304         nframes64_t end = 0;
5305
5306         RegionSelection rs;
5307
5308         get_regions_for_action (rs);
5309
5310         if (rs.empty()) {
5311                 return;
5312         }
5313
5314         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5315                 if ((*i)->region()->position() < start) {
5316                         start = (*i)->region()->position();
5317                 }
5318                 if ((*i)->region()->last_frame() + 1 > end) {
5319                         end = (*i)->region()->last_frame() + 1;
5320                 }
5321         }
5322
5323         set_loop_range (start, end, _("set loop range from region"));
5324
5325         if (play) {
5326                 session->request_play_loop (true);
5327                 session->request_locate (start, true);
5328         }
5329 }
5330
5331 void
5332 Editor::set_punch_from_selection ()
5333 {
5334         if (session == 0 || selection->time.empty()) {
5335                 return;
5336         }
5337
5338         nframes64_t start = selection->time[clicked_selection].start;
5339         nframes64_t end = selection->time[clicked_selection].end;
5340
5341         set_punch_range (start, end,  _("set punch range from selection"));
5342 }
5343
5344 void
5345 Editor::set_punch_from_edit_range ()
5346 {
5347         if (session == 0) {
5348                 return;
5349         }
5350
5351         nframes64_t start;
5352         nframes64_t end;
5353
5354         if (!get_edit_op_range (start, end)) {
5355                 return;
5356         }
5357
5358         set_punch_range (start, end,  _("set punch range from edit range"));
5359 }
5360
5361 void
5362 Editor::set_punch_from_region ()
5363 {
5364         nframes64_t start = max_frames;
5365         nframes64_t end = 0;
5366
5367         RegionSelection rs;
5368
5369         get_regions_for_action (rs);
5370
5371         if (rs.empty()) {
5372                 return;
5373         }
5374
5375         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ++i) {
5376                 if ((*i)->region()->position() < start) {
5377                         start = (*i)->region()->position();
5378                 }
5379                 if ((*i)->region()->last_frame() + 1 > end) {
5380                         end = (*i)->region()->last_frame() + 1;
5381                 }
5382         }
5383
5384         set_punch_range (start, end, _("set punch range from region"));
5385 }
5386
5387 void
5388 Editor::pitch_shift_regions ()
5389 {
5390         RegionSelection rs;
5391
5392         get_regions_for_action (rs);
5393
5394         if (rs.empty()) {
5395                 return;
5396         }
5397
5398         pitch_shift (rs, 1.2);
5399 }
5400
5401 void
5402 Editor::use_region_as_bar ()
5403 {
5404         if (!session) {
5405                 return;
5406         }
5407
5408         RegionSelection rs;
5409
5410         get_regions_for_action (rs);
5411
5412         if (rs.empty()) {
5413                 return;
5414         }
5415
5416         RegionView* rv = rs.front();
5417
5418         define_one_bar (rv->region()->position(), rv->region()->last_frame() + 1);
5419 }
5420
5421 void
5422 Editor::use_range_as_bar ()
5423 {
5424         nframes64_t start, end;
5425         if (get_edit_op_range (start, end)) {
5426                 define_one_bar (start, end);
5427         }
5428 }
5429
5430 void
5431 Editor::define_one_bar (nframes64_t start, nframes64_t end)
5432 {
5433         nframes64_t length = end - start;
5434
5435         const Meter& m (session->tempo_map().meter_at (start));
5436
5437         /* length = 1 bar */
5438
5439         /* now we want frames per beat.
5440            we have frames per bar, and beats per bar, so ...
5441         */
5442
5443         double frames_per_beat = length / m.beats_per_bar();
5444
5445         /* beats per minute = */
5446
5447         double beats_per_minute = (session->frame_rate() * 60.0) / frames_per_beat;
5448
5449         /* now decide whether to:
5450
5451             (a) set global tempo
5452             (b) add a new tempo marker
5453
5454         */
5455
5456         const TempoSection& t (session->tempo_map().tempo_section_at (start));
5457
5458         bool do_global = false;
5459
5460         if ((session->tempo_map().n_tempos() == 1) && (session->tempo_map().n_meters() == 1)) {
5461
5462                 /* only 1 tempo & 1 meter: ask if the user wants to set the tempo
5463                    at the start, or create a new marker
5464                 */
5465
5466                 vector<string> options;
5467                 options.push_back (_("Cancel"));
5468                 options.push_back (_("Add new marker"));
5469                 options.push_back (_("Set global tempo"));
5470                 Choice c (_("Do you want to set the global tempo or add new tempo marker?"),
5471                           options);
5472                 c.set_default_response (2);
5473
5474                 switch (c.run()) {
5475                 case 0:
5476                         return;
5477
5478                 case 2:
5479                         do_global = true;
5480                         break;
5481
5482                 default:
5483                         do_global = false;
5484                 }
5485
5486         } else {
5487
5488                 /* more than 1 tempo and/or meter section already, go ahead do the "usual":
5489                    if the marker is at the region starter, change it, otherwise add
5490                    a new tempo marker
5491                 */
5492         }
5493
5494         begin_reversible_command (_("set tempo from region"));
5495         XMLNode& before (session->tempo_map().get_state());
5496
5497         if (do_global) {
5498                 session->tempo_map().change_initial_tempo (beats_per_minute, t.note_type());
5499         } else if (t.frame() == start) {
5500                 session->tempo_map().change_existing_tempo_at (start, beats_per_minute, t.note_type());
5501         } else {
5502                 session->tempo_map().add_tempo (Tempo (beats_per_minute, t.note_type()), start);
5503         }
5504
5505         XMLNode& after (session->tempo_map().get_state());
5506
5507         session->add_command (new MementoCommand<TempoMap>(session->tempo_map(), &before, &after));
5508         commit_reversible_command ();
5509 }
5510
5511 void
5512 Editor::split_region_at_transients ()
5513 {
5514         AnalysisFeatureList positions;
5515
5516         if (!session) {
5517                 return;
5518         }
5519
5520         RegionSelection rs;
5521
5522         get_regions_for_action (rs);
5523
5524         if (rs.empty()) {
5525                 return;
5526         }
5527
5528         session->begin_reversible_command (_("split regions"));
5529
5530         for (RegionSelection::iterator i = rs.begin(); i != rs.end(); ) {
5531
5532                 RegionSelection::iterator tmp;
5533
5534                 tmp = i;
5535                 ++tmp;
5536
5537                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> ((*i)->region());
5538
5539                 if (ar && (ar->get_transients (positions) == 0)) {
5540                         split_region_at_points ((*i)->region(), positions, true);
5541                         positions.clear ();
5542                 }
5543
5544                 i = tmp;
5545         }
5546
5547         session->commit_reversible_command ();
5548
5549 }
5550
5551 void
5552 Editor::split_region_at_points (boost::shared_ptr<Region> r, AnalysisFeatureList& positions, bool can_ferret)
5553 {
5554         bool use_rhythmic_rodent = false;
5555
5556         boost::shared_ptr<Playlist> pl = r->playlist();
5557
5558         if (!pl) {
5559                 return;
5560         }
5561
5562         if (positions.empty()) {
5563                 return;
5564         }
5565
5566
5567         if (positions.size() > 20) {
5568                 Glib::ustring msgstr = string_compose (_("You are about to split\n%1\ninto %2 pieces.\nThis could take a long time."), r->name(), positions.size() + 1);
5569                 MessageDialog msg (msgstr,
5570                                    false,
5571                                    Gtk::MESSAGE_INFO,
5572                                    Gtk::BUTTONS_OK_CANCEL);
5573
5574                 if (can_ferret) {
5575                         msg.add_button (_("Call for the Ferret!"), RESPONSE_APPLY);
5576                         msg.set_secondary_text (_("Press OK to continue with this split operation\nor ask the Ferret dialog to tune the analysis"));
5577                 } else {
5578                         msg.set_secondary_text (_("Press OK to continue with this split operation"));
5579                 }
5580
5581                 msg.set_title (_("Excessive split?"));
5582                 msg.present ();
5583
5584                 int response = msg.run();
5585                 msg.hide ();
5586                 switch (response) {
5587                 case RESPONSE_OK:
5588                         break;
5589                 case RESPONSE_APPLY:
5590                         use_rhythmic_rodent = true;
5591                         break;
5592                 default:
5593                         return;
5594                 }
5595         }
5596
5597         if (use_rhythmic_rodent) {
5598                 show_rhythm_ferret ();
5599                 return;
5600         }
5601
5602         AnalysisFeatureList::const_iterator x;
5603
5604         nframes64_t pos = r->position();
5605
5606         XMLNode& before (pl->get_state());
5607
5608         x = positions.begin();
5609
5610         while (x != positions.end()) {
5611                 if ((*x) > pos) {
5612                         break;
5613                 }
5614                 ++x;
5615         }
5616
5617         if (x == positions.end()) {
5618                 return;
5619         }
5620
5621         pl->freeze ();
5622         pl->remove_region (r);
5623
5624         while (x != positions.end()) {
5625
5626                 /* file start = original start + how far we from the initial position ?
5627                  */
5628
5629                 nframes64_t file_start = r->start() + (pos - r->position());
5630
5631                 /* length = next position - current position
5632                  */
5633
5634                 nframes64_t len = (*x) - pos;
5635
5636                 /* XXX we do we really want to allow even single-sample regions?
5637                    shouldn't we have some kind of lower limit on region size?
5638                 */
5639
5640                 if (len <= 0) {
5641                         break;
5642                 }
5643
5644                 string new_name;
5645
5646                 if (session->region_name (new_name, r->name())) {
5647                         break;
5648                 }
5649
5650                 /* do NOT announce new regions 1 by one, just wait till they are all done */
5651
5652                 boost::shared_ptr<Region> nr = RegionFactory::create (r->sources(), file_start, len, new_name, 0, Region::DefaultFlags, false);
5653                 pl->add_region (nr, pos);
5654
5655                 pos += len;
5656                 ++x;
5657
5658                 if (*x > r->last_frame()) {
5659
5660                         /* add final fragment */
5661
5662                         file_start = r->start() + (pos - r->position());
5663                         len = r->last_frame() - pos;
5664
5665                         nr = RegionFactory::create (r->sources(), file_start, len, new_name, 0, Region::DefaultFlags);
5666                         pl->add_region (nr, pos);
5667
5668                         break;
5669                 }
5670         }
5671
5672         pl->thaw ();
5673
5674         XMLNode& after (pl->get_state());
5675
5676         session->add_command (new MementoCommand<Playlist>(*pl, &before, &after));
5677 }
5678
5679 void
5680 Editor::tab_to_transient (bool forward)
5681 {
5682         AnalysisFeatureList positions;
5683
5684         if (!session) {
5685                 return;
5686         }
5687
5688         nframes64_t pos = session->audible_frame ();
5689
5690         if (!selection->tracks.empty()) {
5691
5692                 for (TrackSelection::iterator t = selection->tracks.begin(); t != selection->tracks.end(); ++t) {
5693
5694                         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*t);
5695
5696                         if (rtv) {
5697                                 boost::shared_ptr<Diskstream> ds = rtv->get_diskstream();
5698                                 if (ds) {
5699                                         boost::shared_ptr<Playlist> pl = rtv->get_diskstream()->playlist ();
5700                                         if (pl) {
5701                                                 nframes64_t result = pl->find_next_transient (pos, forward ? 1 : -1);
5702
5703                                                 if (result >= 0) {
5704                                                         positions.push_back (result);
5705                                                 }
5706                                         }
5707                                 }
5708                         }
5709                 }
5710
5711         } else {
5712
5713                 RegionSelection rs;
5714
5715                 get_regions_for_action (rs);
5716
5717                 if (rs.empty()) {
5718                         return;
5719                 }
5720
5721                 for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ++r) {
5722                         (*r)->region()->get_transients (positions);
5723                 }
5724         }
5725
5726         TransientDetector::cleanup_transients (positions, session->frame_rate(), 3.0);
5727
5728         if (forward) {
5729                 AnalysisFeatureList::iterator x;
5730
5731                 for (x = positions.begin(); x != positions.end(); ++x) {
5732                         if ((*x) > pos) {
5733                                 break;
5734                         }
5735                 }
5736
5737                 if (x != positions.end ()) {
5738                         session->request_locate (*x);
5739                 }
5740
5741         } else {
5742                 AnalysisFeatureList::reverse_iterator x;
5743
5744                 for (x = positions.rbegin(); x != positions.rend(); ++x) {
5745                         if ((*x) < pos) {
5746                                 break;
5747                         }
5748                 }
5749
5750                 if (x != positions.rend ()) {
5751                         session->request_locate (*x);
5752                 }
5753         }
5754 }
5755 void
5756 Editor::playhead_forward_to_grid ()
5757 {
5758         if (!session) return;
5759         nframes64_t pos = playhead_cursor->current_frame;
5760         if (pos < max_frames - 1) {
5761                 pos += 2;
5762                 snap_to_internal (pos, 1, false);
5763                 session->request_locate (pos);
5764         }
5765 }
5766
5767
5768 void
5769 Editor::playhead_backward_to_grid ()
5770 {
5771         if (!session) return;
5772         nframes64_t pos = playhead_cursor->current_frame;
5773         if (pos > 2) {
5774                 pos -= 2;
5775                 snap_to_internal (pos, -1, false);
5776                 session->request_locate (pos);
5777         }
5778 }
5779
5780 void
5781 Editor::set_track_height (uint32_t h)
5782 {
5783         TrackSelection& ts (selection->tracks);
5784
5785         if (ts.empty()) {
5786                 return;
5787         }
5788
5789         for (TrackSelection::iterator x = ts.begin(); x != ts.end(); ++x) {
5790                 (*x)->set_height (h);
5791         }
5792 }
5793
5794 void
5795 Editor::set_track_height_largest ()
5796 {
5797         set_track_height (TimeAxisView::hLargest);
5798 }
5799 void
5800 Editor::set_track_height_large ()
5801 {
5802         set_track_height (TimeAxisView::hLarge);
5803 }
5804 void
5805 Editor::set_track_height_larger ()
5806 {
5807         set_track_height (TimeAxisView::hLarger);
5808 }
5809 void
5810 Editor::set_track_height_normal ()
5811 {
5812         set_track_height (TimeAxisView::hNormal);
5813 }
5814 void
5815 Editor::set_track_height_smaller ()
5816 {
5817         set_track_height (TimeAxisView::hSmaller);
5818 }
5819 void
5820 Editor::set_track_height_small ()
5821 {
5822         set_track_height (TimeAxisView::hSmall);
5823 }
5824
5825 void
5826 Editor::toggle_tracks_active ()
5827 {
5828         TrackSelection& ts (selection->tracks);
5829         bool first = true;
5830         bool target = false;
5831
5832         if (ts.empty()) {
5833                 return;
5834         }
5835
5836         for (TrackSelection::iterator x = ts.begin(); x != ts.end(); ++x) {
5837                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(*x);
5838
5839                 if (rtv) {
5840                         if (first) {
5841                                 target = !rtv->_route->active();
5842                                 first = false;
5843                         }
5844                         rtv->_route->set_active (target);
5845                 }
5846         }
5847 }
5848
5849 void
5850 Editor::remove_tracks ()
5851 {
5852         TrackSelection& ts (selection->tracks);
5853
5854         if (ts.empty()) {
5855                 return;
5856         }
5857
5858         vector<string> choices;
5859         string prompt;
5860         int ntracks = 0;
5861         int nbusses = 0;
5862         const char* trackstr;
5863         const char* busstr;
5864         vector<boost::shared_ptr<Route> > routes;
5865
5866         for (TrackSelection::iterator x = ts.begin(); x != ts.end(); ++x) {
5867                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*x);
5868                 if (rtv) {
5869                         if (rtv->is_track()) {
5870                                 ntracks++;
5871                         } else {
5872                                 nbusses++;
5873                         }
5874                 }
5875                 routes.push_back (rtv->_route);
5876         }
5877
5878         if (ntracks + nbusses == 0) {
5879                 return;
5880         }
5881
5882         if (ntracks > 1) {
5883                 trackstr = _("tracks");
5884         } else {
5885                 trackstr = _("track");
5886         }
5887
5888         if (nbusses > 1) {
5889                 busstr = _("busses");
5890         } else {
5891                 busstr = _("bus");
5892         }
5893
5894         if (ntracks) {
5895                 if (nbusses) {
5896                         prompt  = string_compose (_("Do you really want to remove %1 %2 and %3 %4?\n"
5897                                                     "(You may also lose the playlists associated with the %2)\n\n"
5898                                                     "This action cannot be undone!"),
5899                                                   ntracks, trackstr, nbusses, busstr);
5900                 } else {
5901                         prompt  = string_compose (_("Do you really want to remove %1 %2?\n"
5902                                                     "(You may also lose the playlists associated with the %2)\n\n"
5903                                                     "This action cannot be undone!"),
5904                                                   ntracks, trackstr);
5905                 }
5906         } else if (nbusses) {
5907                 prompt  = string_compose (_("Do you really want to remove %1 %2?"),
5908                                           nbusses, busstr);
5909         }
5910
5911         choices.push_back (_("No, do nothing."));
5912         if (ntracks + nbusses > 1) {
5913                 choices.push_back (_("Yes, remove them."));
5914         } else {
5915                 choices.push_back (_("Yes, remove it."));
5916         }
5917
5918         Choice prompter (prompt, choices);
5919
5920         if (prompter.run () != 1) {
5921                 return;
5922         }
5923
5924         for (vector<boost::shared_ptr<Route> >::iterator x = routes.begin(); x != routes.end(); ++x) {
5925                 session->remove_route (*x);
5926         }
5927 }
5928
5929 void
5930 Editor::set_waveform_scale (WaveformScale ws)
5931 {
5932         TrackSelection& ts (selection->tracks);
5933
5934         if (ts.empty()) {
5935                 return;
5936         }
5937
5938         for (TrackSelection::iterator x = ts.begin(); x != ts.end(); ++x) {
5939                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (*x);
5940                 if (atv) {
5941                         atv->set_waveform_scale (ws);
5942                 }
5943         }
5944 }
5945
5946 void
5947 Editor::do_insert_time ()
5948 {
5949         if (selection->tracks.empty()) {
5950                 return;
5951         }
5952
5953         nframes64_t pos = get_preferred_edit_position ();
5954         ArdourDialog d (*this, _("Insert Time"));
5955         VButtonBox button_box;
5956         VBox option_box;
5957         RadioButtonGroup group;
5958         RadioButton leave_button (group, _("Stay in position"));
5959         RadioButton move_button (group, _("Move"));
5960         RadioButton split_button (group, _("Split & Later Section Moves"));
5961         Label intersect_option_label (_("Intersected regions should:"));
5962         CheckButton glue_button (_("Move Glued Regions"));
5963         CheckButton marker_button (_("Move Markers"));
5964         AudioClock clock ("insertTimeClock", true, X_("InsertTimeClock"), true, true, true);
5965         HBox clock_box;
5966
5967         clock.set (0);
5968         clock.set_session (session);
5969         clock.set_bbt_reference (pos);
5970
5971         clock_box.pack_start (clock, false, true);
5972
5973         option_box.set_spacing (6);
5974         option_box.pack_start (intersect_option_label, false, false);
5975         option_box.pack_start (button_box, false, false);
5976         option_box.pack_start (glue_button, false, false);
5977         option_box.pack_start (marker_button, false, false);
5978
5979         button_box.pack_start (leave_button, false, false);
5980         button_box.pack_start (move_button, false, false);
5981         button_box.pack_start (split_button, false, false);
5982
5983         d.get_vbox()->set_border_width (12);
5984         d.get_vbox()->pack_start (clock_box, false, false);
5985         d.get_vbox()->pack_start (option_box, false, false);
5986
5987         leave_button.show ();
5988         move_button.show ();
5989         split_button.show ();
5990         intersect_option_label.show ();
5991         option_box.show ();
5992         button_box.show ();
5993         glue_button.show ();
5994         clock.show_all();
5995         clock_box.show ();
5996         marker_button.show ();
5997
5998         d.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
5999         d.add_button (Gtk::Stock::OK, Gtk::RESPONSE_OK);
6000         d.show ();
6001
6002         int response = d.run ();
6003
6004         if (response != RESPONSE_OK) {
6005                 return;
6006         }
6007
6008         nframes64_t distance = clock.current_duration (pos);
6009
6010         if (distance == 0) {
6011                 return;
6012         }
6013
6014         InsertTimeOption opt;
6015
6016         if (leave_button.get_active()) {
6017                 opt = LeaveIntersected;
6018         } else if (move_button.get_active()) {
6019                 opt = MoveIntersected;
6020         } else {
6021                 opt = SplitIntersected;
6022         }
6023
6024         insert_time (pos, distance, opt, glue_button.get_active(), marker_button.get_active());
6025 }
6026
6027 void
6028 Editor::insert_time (nframes64_t pos, nframes64_t frames, InsertTimeOption opt,
6029                      bool ignore_music_glue, bool markers_too)
6030 {
6031         bool commit = false;
6032
6033         if (Config->get_edit_mode() == Lock) {
6034                 return;
6035         }
6036
6037         begin_reversible_command (_("insert time"));
6038
6039         for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
6040                 boost::shared_ptr<Playlist> pl = (*x)->playlist();
6041
6042                 if (!pl) {
6043                         continue;
6044                 }
6045
6046                 XMLNode &before = pl->get_state();
6047
6048                 if (opt == SplitIntersected) {
6049                         pl->split (pos);
6050                 }
6051
6052                 pl->shift (pos, frames, (opt == MoveIntersected), ignore_music_glue);
6053
6054                 XMLNode &after = pl->get_state();
6055
6056                 session->add_command (new MementoCommand<Playlist> (*pl, &before, &after));
6057                 commit = true;
6058         }
6059
6060         if (markers_too) {
6061                 bool moved = false;
6062                 XMLNode& before (session->locations()->get_state());
6063                 Locations::LocationList copy (session->locations()->list());
6064
6065                 for (Locations::LocationList::iterator i = copy.begin(); i != copy.end(); ++i) {
6066
6067                         Locations::LocationList::const_iterator tmp;
6068
6069                         if ((*i)->start() >= pos) {
6070                                 (*i)->set_start ((*i)->start() + frames);
6071                                 if (!(*i)->is_mark()) {
6072                                         (*i)->set_end ((*i)->end() + frames);
6073                                 }
6074                                 moved = true;
6075                         }
6076                 }
6077
6078                 if (moved) {
6079                         XMLNode& after (session->locations()->get_state());
6080                         session->add_command (new MementoCommand<Locations>(*session->locations(), &before, &after));
6081                 }
6082         }
6083
6084         if (commit) {
6085                 commit_reversible_command ();
6086         }
6087 }
6088
6089 void
6090 Editor::fit_tracks ()
6091 {
6092         if (selection->tracks.empty()) {
6093                 return;
6094         }
6095
6096         uint32_t child_heights = 0;
6097
6098         for (TrackSelection::iterator t = selection->tracks.begin(); t != selection->tracks.end(); ++t) {
6099
6100                 if (!(*t)->marked_for_display()) {
6101                         continue;
6102                 }
6103
6104                 child_heights += ((*t)->effective_height - (*t)->current_height());
6105         }
6106
6107         uint32_t h = (uint32_t) floor ((canvas_height - child_heights - canvas_timebars_vsize)/selection->tracks.size());
6108         double first_y_pos = DBL_MAX;
6109
6110         if (h < TimeAxisView::hSmall) {
6111                 MessageDialog msg (*this, _("There are too many selected tracks to fit in the current window"));
6112                 /* too small to be displayed */
6113                 return;
6114         }
6115
6116         undo_visual_stack.push_back (current_visual_state());
6117
6118         /* operate on all tracks, hide unselected ones that are in the middle of selected ones */
6119
6120         bool prev_was_selected = false;
6121         bool is_selected = selection->selected (track_views.front());
6122         bool next_is_selected;
6123
6124         for (TrackViewList::iterator t = track_views.begin(); t != track_views.end(); ++t) {
6125
6126                 bool pws;
6127
6128                 TrackViewList::iterator next;
6129
6130                 next = t;
6131                 ++next;
6132
6133                 if (next != track_views.end()) {
6134                         next_is_selected = selection->selected (*next);
6135                 } else {
6136                         next_is_selected = false;
6137                 }
6138
6139                 if (is_selected) {
6140                         (*t)->set_height (h);
6141                         first_y_pos = std::min ((*t)->y_position, first_y_pos);
6142                 } else {
6143                         if (prev_was_selected && next_is_selected) {
6144                                 hide_track_in_display (**t);
6145                         }
6146                 }
6147
6148                 prev_was_selected = is_selected;
6149                 is_selected = next_is_selected;
6150         }
6151
6152         /*
6153            set the controls_layout height now, because waiting for its size
6154            request signal handler will cause the vertical adjustment setting to fail
6155         */
6156
6157         controls_layout.property_height () = full_canvas_height - canvas_timebars_vsize;
6158         vertical_adjustment.set_value (first_y_pos);
6159
6160         redo_visual_stack.push_back (current_visual_state());
6161 }
6162
6163 void
6164 Editor::save_visual_state (uint32_t n)
6165 {
6166         while (visual_states.size() <= n) {
6167                 visual_states.push_back (0);
6168         }
6169
6170         if (visual_states[n] != 0) {
6171                 delete visual_states[n];
6172         }
6173
6174         visual_states[n] = current_visual_state (true);
6175         gdk_beep ();
6176 }
6177
6178 void
6179 Editor::goto_visual_state (uint32_t n)
6180 {
6181         if (visual_states.size() <= n) {
6182                 return;
6183         }
6184
6185         if (visual_states[n] == 0) {
6186                 return;
6187         }
6188
6189         use_visual_state (*visual_states[n]);
6190 }
6191
6192 void
6193 Editor::start_visual_state_op (uint32_t n)
6194 {
6195         cerr << "Start\n";
6196         if (visual_state_op_connection.empty()) {
6197                 cerr << "\tqueue\n";
6198                 visual_state_op_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::end_visual_state_op), n), 1000);
6199         }
6200 }
6201
6202 void
6203 Editor::cancel_visual_state_op (uint32_t n)
6204 {
6205         cerr << "Cancel\n";
6206         if (!visual_state_op_connection.empty()) {
6207                 cerr << "\tgoto\n";
6208                 visual_state_op_connection.disconnect();
6209                 goto_visual_state (n);
6210         }
6211 }
6212
6213 bool
6214 Editor::end_visual_state_op (uint32_t n)
6215 {
6216         visual_state_op_connection.disconnect();
6217         save_visual_state (n);
6218
6219         PopUp* pup = new PopUp (WIN_POS_MOUSE, 1000, true);
6220         char buf[32];
6221         snprintf (buf, sizeof (buf), _("Saved view %u"), n+1);
6222         pup->set_text (buf);
6223         pup->touch();
6224
6225         return false; // do not call again
6226 }
6227