gtk2_ardour/editor_ops.cc

   1 /*
   2     Copyright (C) 2000-2004 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <unistd.h>
  21
  22 #include <cstdlib>
  23 #include <cmath>
  24 #include <string>
  25 #include <map>
  26
  27 #include <pbd/error.h>
  28 #include <pbd/basename.h>
  29 #include <pbd/pthread_utils.h>
  30 #include <pbd/memento_command.h>
  31 #include <pbd/whitespace.h>
  32
  33 #include <gtkmm2ext/utils.h>
  34 #include <gtkmm2ext/choice.h>
  35 #include <gtkmm2ext/window_title.h>
  36
  37 #include <ardour/audioengine.h>
  38 #include <ardour/session.h>
  39 #include <ardour/audioplaylist.h>
  40 #include <ardour/audioregion.h>
  41 #include <ardour/audio_diskstream.h>
  42 #include <ardour/utils.h>
  43 #include <ardour/location.h>
  44 #include <ardour/named_selection.h>
  45 #include <ardour/audio_track.h>
  46 #include <ardour/audioplaylist.h>
  47 #include <ardour/region_factory.h>
  48 #include <ardour/playlist_factory.h>
  49 #include <ardour/reverse.h>
  50
  51 #include "ardour_ui.h"
  52 #include "editor.h"
  53 #include "time_axis_view.h"
  54 #include "audio_time_axis.h"
  55 #include "automation_time_axis.h"
  56 #include "streamview.h"
  57 #include "audio_region_view.h"
  58 #include "rgb_macros.h"
  59 #include "selection_templates.h"
  60 #include "selection.h"
  61 #include "editing.h"
  62 #include "gtk-custom-hruler.h"
  63 #include "gui_thread.h"
  64
  65 #include "i18n.h"
  66
  67 using namespace std;
  68 using namespace ARDOUR;
  69 using namespace PBD;
  70 using namespace sigc;
  71 using namespace Gtk;
  72 using namespace Gtkmm2ext;
  73 using namespace Editing;
  74
  75 /***********************************************************************
  76   Editor operations
  77  ***********************************************************************/
  78
  79 void
  80 Editor::undo (uint32_t n)
  81 {
  82         if (session) {
  83                 session->undo (n);
  84         }
  85 }
  86
  87 void
  88 Editor::redo (uint32_t n)
  89 {
  90         if (session) {
  91                 session->redo (n);
  92         }
  93 }
  94
  95 void
  96 Editor::split_region ()
  97 {
  98         split_region_at (get_preferred_edit_position());
  99 }
 100
 101 void
 102 Editor::split_region_at (nframes_t where)
 103 {
 104         split_regions_at (where, selection->regions);
 105 }
 106
 107 void
 108 Editor::split_regions_at (nframes_t where, RegionSelection& regions)
 109 {
 110         if (regions.empty()) {
 111                 return;
 112         }
 113
 114         begin_reversible_command (_("split"));
 115
 116         // if splitting a single region, and snap-to is using
 117         // region boundaries, don't pay attention to them
 118
 119         if (regions.size() == 1) {
 120                 switch (snap_type) {
 121                 case SnapToRegionStart:
 122                 case SnapToRegionSync:
 123                 case SnapToRegionEnd:
 124                         break;
 125                 default:
 126                         snap_to (where);
 127                 }
 128         } else {
 129                 snap_to (where);
 130         }
 131
 132
 133         for (RegionSelection::iterator a = regions.begin(); a != regions.end(); ) {
 134
 135                 RegionSelection::iterator tmp;
 136
 137                 /* XXX this test needs to be more complicated, to make sure we really
 138                    have something to split.
 139                 */
 140
 141                 if (!(*a)->region()->covers (where)) {
 142                         ++a;
 143                         continue;
 144                 }
 145
 146                 tmp = a;
 147                 ++tmp;
 148
 149                 boost::shared_ptr<Playlist> pl = (*a)->region()->playlist();
 150
 151                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*a);
 152
 153                 if (arv) {
 154                         _new_regionviews_show_envelope = arv->envelope_visible();
 155                 }
 156
 157                 if (pl) {
 158                         XMLNode &before = pl->get_state();
 159                         pl->split_region ((*a)->region(), where);
 160                         XMLNode &after = pl->get_state();
 161                         session->add_command(new MementoCommand<Playlist>(*pl, &before, &after));
 162                 }
 163
 164                 a = tmp;
 165         }
 166
 167         commit_reversible_command ();
 168         _new_regionviews_show_envelope = false;
 169 }
 170
 171 void
 172 Editor::remove_clicked_region ()
 173 {
 174         if (clicked_audio_trackview == 0 || clicked_regionview == 0) {
 175                 return;
 176         }
 177
 178         boost::shared_ptr<Playlist> playlist = clicked_audio_trackview->playlist();
 179
 180         begin_reversible_command (_("remove region"));
 181         XMLNode &before = playlist->get_state();
 182         playlist->remove_region (clicked_regionview->region());
 183         XMLNode &after = playlist->get_state();
 184         session->add_command(new MementoCommand<Playlist>(*playlist, &before, &after));
 185         commit_reversible_command ();
 186 }
 187
 188 void
 189 Editor::destroy_clicked_region ()
 190 {
 191         uint32_t selected = selection->regions.size();
 192
 193         if (!session || !selected) {
 194                 return;
 195         }
 196
 197         vector<string> choices;
 198         string prompt;
 199
 200         prompt  = string_compose (_(" This is destructive, will possibly delete audio files\n\
 201 It cannot be undone\n\
 202 Do you really want to destroy %1 ?"),
 203                            (selected > 1 ?
 204                             _("these regions") : _("this region")));
 205
 206         choices.push_back (_("No, do nothing."));
 207
 208         if (selected > 1) {
 209                 choices.push_back (_("Yes, destroy them."));
 210         } else {
 211                 choices.push_back (_("Yes, destroy it."));
 212         }
 213
 214         Gtkmm2ext::Choice prompter (prompt, choices);
 215
 216         if (prompter.run() == 0) { /* first choice */
 217                 return;
 218         }
 219
 220         if (selected) {
 221                 list<boost::shared_ptr<Region> > r;
 222
 223                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
 224                         r.push_back ((*i)->region());
 225                 }
 226
 227                 session->destroy_regions (r);
 228         }
 229 }
 230
 231 boost::shared_ptr<Region>
 232 Editor::select_region_for_operation (int dir, TimeAxisView **tv)
 233 {
 234         RegionView* rv;
 235         boost::shared_ptr<Region> region;
 236         nframes_t start = 0;
 237
 238         if (selection->time.start () == selection->time.end_frame ()) {
 239
 240                 /* no current selection-> is there a selected regionview? */
 241
 242                 if (selection->regions.empty()) {
 243                         return region;
 244                 }
 245
 246         }
 247
 248         if (!selection->regions.empty()) {
 249
 250                 rv = *(selection->regions.begin());
 251                 (*tv) = &rv->get_time_axis_view();
 252                 region = rv->region();
 253
 254         } else if (!selection->tracks.empty()) {
 255
 256                 (*tv) = selection->tracks.front();
 257
 258                 RouteTimeAxisView* rtv;
 259
 260                 if ((rtv = dynamic_cast<RouteTimeAxisView*> (*tv)) != 0) {
 261                         boost::shared_ptr<Playlist> pl;
 262
 263                         if ((pl = rtv->playlist()) == 0) {
 264                                 return region;
 265                         }
 266
 267                         region = pl->top_region_at (start);
 268                 }
 269         }
 270
 271         return region;
 272 }
 273
 274 void
 275 Editor::extend_selection_to_end_of_region (bool next)
 276 {
 277         TimeAxisView *tv;
 278         boost::shared_ptr<Region> region;
 279         nframes_t start;
 280
 281         if ((region = select_region_for_operation (next ? 1 : 0, &tv)) == 0) {
 282                 return;
 283         }
 284
 285         if (region && selection->time.start () == selection->time.end_frame ()) {
 286                 start = region->position();
 287         } else {
 288                 start = selection->time.start ();
 289         }
 290
 291         /* Try to leave the selection with the same route if possible */
 292
 293         if ((tv = selection->time.track) == 0) {
 294                 return;
 295         }
 296
 297         begin_reversible_command (_("extend selection"));
 298         selection->set (tv, start, region->position() + region->length());
 299         commit_reversible_command ();
 300 }
 301
 302 void
 303 Editor::extend_selection_to_start_of_region (bool previous)
 304 {
 305         TimeAxisView *tv;
 306         boost::shared_ptr<Region> region;
 307         nframes_t end;
 308
 309         if ((region = select_region_for_operation (previous ? -1 : 0, &tv)) == 0) {
 310                 return;
 311         }
 312
 313         if (region && selection->time.start () == selection->time.end_frame ()) {
 314                 end = region->position() + region->length();
 315         } else {
 316                 end = selection->time.end_frame ();
 317         }
 318
 319         /* Try to leave the selection with the same route if possible */
 320
 321         if ((tv = selection->time.track) == 0) {
 322                 return;
 323         }
 324
 325         begin_reversible_command (_("extend selection"));
 326         selection->set (tv, region->position(), end);
 327         commit_reversible_command ();
 328 }
 329
 330
 331 void
 332 Editor::nudge_forward (bool next)
 333 {
 334         nframes_t distance;
 335         nframes_t next_distance;
 336
 337         if (!session) return;
 338
 339         if (!selection->regions.empty()) {
 340
 341                 begin_reversible_command (_("nudge forward"));
 342
 343                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
 344                         boost::shared_ptr<Region> r ((*i)->region());
 345
 346                         distance = get_nudge_distance (r->position(), next_distance);
 347
 348                         if (next) {
 349                                 distance = next_distance;
 350                         }
 351
 352                         XMLNode &before = r->playlist()->get_state();
 353                         r->set_position (r->position() + distance, this);
 354                         XMLNode &after = r->playlist()->get_state();
 355                         session->add_command (new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
 356                 }
 357
 358                 commit_reversible_command ();
 359
 360
 361         } else if (!selection->markers.empty()) {
 362
 363                 bool ignored;
 364                 Location* loc = find_location_from_marker (selection->markers.front(), ignored);
 365
 366                 if (loc) {
 367                         distance = get_nudge_distance (loc->start(), next_distance);
 368                         loc->set_start (loc->start() + distance);
 369                 }
 370
 371         } else {
 372                 distance = get_nudge_distance (playhead_cursor->current_frame, next_distance);
 373                 session->request_locate (playhead_cursor->current_frame + distance);
 374         }
 375 }
 376
 377 void
 378 Editor::nudge_backward (bool next)
 379 {
 380         nframes_t distance;
 381         nframes_t next_distance;
 382
 383         if (!session) return;
 384
 385         if (!selection->regions.empty()) {
 386
 387                 begin_reversible_command (_("nudge forward"));
 388
 389                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
 390                         boost::shared_ptr<Region> r ((*i)->region());
 391
 392                         distance = get_nudge_distance (r->position(), next_distance);
 393
 394                         if (next) {
 395                                 distance = next_distance;
 396                         }
 397
 398                         XMLNode &before = r->playlist()->get_state();
 399
 400                         if (r->position() > distance) {
 401                                 r->set_position (r->position() - distance, this);
 402                         } else {
 403                                 r->set_position (0, this);
 404                         }
 405                         XMLNode &after = r->playlist()->get_state();
 406                         session->add_command(new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
 407                 }
 408
 409                 commit_reversible_command ();
 410
 411         } else {
 412
 413                 distance = get_nudge_distance (playhead_cursor->current_frame, next_distance);
 414
 415                 if (playhead_cursor->current_frame > distance) {
 416                         session->request_locate (playhead_cursor->current_frame - distance);
 417                 } else {
 418                         session->goto_start();
 419                 }
 420         }
 421 }
 422
 423 void
 424 Editor::nudge_forward_capture_offset ()
 425 {
 426         nframes_t distance;
 427
 428         if (!session) return;
 429
 430         if (!selection->regions.empty()) {
 431
 432                 begin_reversible_command (_("nudge forward"));
 433
 434                 distance = session->worst_output_latency();
 435
 436                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
 437                         boost::shared_ptr<Region> r ((*i)->region());
 438
 439                         XMLNode &before = r->playlist()->get_state();
 440                         r->set_position (r->position() + distance, this);
 441                         XMLNode &after = r->playlist()->get_state();
 442                         session->add_command(new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
 443                 }
 444
 445                 commit_reversible_command ();
 446
 447         }
 448 }
 449
 450 void
 451 Editor::nudge_backward_capture_offset ()
 452 {
 453         nframes_t distance;
 454
 455         if (!session) return;
 456
 457         if (!selection->regions.empty()) {
 458
 459                 begin_reversible_command (_("nudge forward"));
 460
 461                 distance = session->worst_output_latency();
 462
 463                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
 464                         boost::shared_ptr<Region> r ((*i)->region());
 465
 466                         XMLNode &before = r->playlist()->get_state();
 467
 468                         if (r->position() > distance) {
 469                                 r->set_position (r->position() - distance, this);
 470                         } else {
 471                                 r->set_position (0, this);
 472                         }
 473                         XMLNode &after = r->playlist()->get_state();
 474                         session->add_command(new MementoCommand<Playlist>(*(r->playlist()), &before, &after));
 475                 }
 476
 477                 commit_reversible_command ();
 478         }
 479 }
 480
 481 /* DISPLAY MOTION */
 482
 483 void
 484 Editor::move_to_start ()
 485 {
 486         session->goto_start ();
 487 }
 488
 489 void
 490 Editor::move_to_end ()
 491 {
 492
 493         session->request_locate (session->current_end_frame());
 494 }
 495
 496 void
 497 Editor::build_region_boundary_cache ()
 498 {
 499         nframes_t pos = 0;
 500         vector<RegionPoint> interesting_points;
 501         boost::shared_ptr<Region> r;
 502         TrackViewList tracks;
 503         bool at_end = false;
 504
 505         region_boundary_cache.clear ();
 506
 507         if (session == 0) {
 508                 return;
 509         }
 510
 511         switch (snap_type) {
 512         case SnapToRegionStart:
 513                 interesting_points.push_back (Start);
 514                 break;
 515         case SnapToRegionEnd:
 516                 interesting_points.push_back (End);
 517                 break;
 518         case SnapToRegionSync:
 519                 interesting_points.push_back (SyncPoint);
 520                 break;
 521         case SnapToRegionBoundary:
 522                 interesting_points.push_back (Start);
 523                 interesting_points.push_back (End);
 524                 break;
 525         default:
 526                 fatal << string_compose (_("build_region_boundary_cache called with snap_type = %1"), snap_type) << endmsg;
 527                 /*NOTREACHED*/
 528                 return;
 529         }
 530
 531         TimeAxisView *ontrack = 0;
 532         TrackViewList tlist;
 533
 534         if (!selection->tracks.empty()) {
 535                 tlist = selection->tracks;
 536         } else {
 537                 tlist = track_views;
 538         }
 539
 540         while (pos < session->current_end_frame() && !at_end) {
 541
 542                 nframes_t rpos;
 543                 nframes_t lpos = max_frames;
 544
 545                 for (vector<RegionPoint>::iterator p = interesting_points.begin(); p != interesting_points.end(); ++p) {
 546
 547                         if ((r = find_next_region (pos, *p, 1, tlist, &ontrack)) == 0) {
 548                                 if (*p == interesting_points.back()) {
 549                                         at_end = true;
 550                                 }
 551                                 /* move to next point type */
 552                                 continue;
 553                         }
 554
 555                         switch (*p) {
 556                         case Start:
 557                                 rpos = r->first_frame();
 558                                 break;
 559
 560                         case End:
 561                                 rpos = r->last_frame();
 562                                 break;
 563
 564                         case SyncPoint:
 565                                 rpos = r->adjust_to_sync (r->first_frame());
 566                                 break;
 567
 568                         default:
 569                                 break;
 570                         }
 571
 572                         float speed = 1.0f;
 573                         AudioTimeAxisView *atav;
 574
 575                         if (ontrack != 0 && (atav = dynamic_cast<AudioTimeAxisView*>(ontrack)) != 0 ) {
 576                                 if (atav->get_diskstream() != 0) {
 577                                         speed = atav->get_diskstream()->speed();
 578                                 }
 579                         }
 580
 581                         rpos = track_frame_to_session_frame (rpos, speed);
 582
 583                         if (rpos < lpos) {
 584                                 lpos = rpos;
 585                         }
 586
 587                         /* prevent duplicates, but we don't use set<> because we want to be able
 588                            to sort later.
 589                         */
 590
 591                         vector<nframes_t>::iterator ri;
 592
 593                         for (ri = region_boundary_cache.begin(); ri != region_boundary_cache.end(); ++ri) {
 594                                 if (*ri == rpos) {
 595                                         break;
 596                                 }
 597                         }
 598
 599                         if (ri == region_boundary_cache.end()) {
 600                                 region_boundary_cache.push_back (rpos);
 601                         }
 602                 }
 603
 604                 pos = lpos + 1;
 605         }
 606
 607         /* finally sort to be sure that the order is correct */
 608
 609         sort (region_boundary_cache.begin(), region_boundary_cache.end());
 610 }
 611
 612 boost::shared_ptr<Region>
 613 Editor::find_next_region (nframes_t frame, RegionPoint point, int32_t dir, TrackViewList& tracks, TimeAxisView **ontrack)
 614 {
 615         TrackViewList::iterator i;
 616         nframes_t closest = max_frames;
 617         boost::shared_ptr<Region> ret;
 618         nframes_t rpos = 0;
 619
 620         float track_speed;
 621         nframes_t track_frame;
 622         AudioTimeAxisView *atav;
 623
 624         for (i = tracks.begin(); i != tracks.end(); ++i) {
 625
 626                 nframes_t distance;
 627                 boost::shared_ptr<Region> r;
 628
 629                 track_speed = 1.0f;
 630                 if ( (atav = dynamic_cast<AudioTimeAxisView*>(*i)) != 0 ) {
 631                         if (atav->get_diskstream()!=0)
 632                                 track_speed = atav->get_diskstream()->speed();
 633                 }
 634
 635                 track_frame = session_frame_to_track_frame(frame, track_speed);
 636
 637                 if ((r = (*i)->find_next_region (track_frame, point, dir)) == 0) {
 638                         continue;
 639                 }
 640
 641                 switch (point) {
 642                 case Start:
 643                         rpos = r->first_frame ();
 644                         break;
 645
 646                 case End:
 647                         rpos = r->last_frame ();
 648                         break;
 649
 650                 case SyncPoint:
 651                         rpos = r->adjust_to_sync (r->first_frame());
 652                         break;
 653                 }
 654
 655                 // rpos is a "track frame", converting it to "session frame"
 656                 rpos = track_frame_to_session_frame(rpos, track_speed);
 657
 658                 if (rpos > frame) {
 659                         distance = rpos - frame;
 660                 } else {
 661                         distance = frame - rpos;
 662                 }
 663
 664                 if (distance < closest) {
 665                         closest = distance;
 666                         if (ontrack != 0)
 667                                 *ontrack = (*i);
 668                         ret = r;
 669                 }
 670         }
 671
 672         return ret;
 673 }
 674
 675 nframes64_t
 676 Editor::find_next_region_boundary (nframes64_t pos, int32_t dir, const TrackViewList& tracks)
 677 {
 678         nframes64_t distance = max_frames;
 679         nframes64_t current_nearest = -1;
 680
 681         for (TrackViewList::const_iterator i = tracks.begin(); i != tracks.end(); ++i) {
 682                 nframes64_t contender;
 683                 nframes64_t d;
 684
 685                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*i);
 686
 687                 if (!rtv) {
 688                         continue;
 689                 }
 690
 691                 if ((contender = rtv->find_next_region_boundary (pos, dir)) < 0) {
 692                         continue;
 693                 }
 694
 695                 d = ::llabs (pos - contender);
 696
 697                 if (d < distance) {
 698                         current_nearest = contender;
 699                         distance = d;
 700                 }
 701         }
 702
 703         return current_nearest;
 704 }
 705
 706 void
 707 Editor::cursor_to_region_boundary (Cursor* cursor, int32_t dir)
 708 {
 709         nframes64_t pos = cursor->current_frame;
 710         nframes64_t target;
 711
 712         if (!session) {
 713                 return;
 714         }
 715
 716         // so we don't find the current region again..
 717         if (dir > 0 || pos > 0) {
 718                 pos += dir;
 719         }
 720
 721         if (!selection->tracks.empty()) {
 722
 723                 target = find_next_region_boundary (pos, dir, selection->tracks);
 724
 725         } else {
 726
 727                 target = find_next_region_boundary (pos, dir, track_views);
 728         }
 729
 730         if (target < 0) {
 731                 return;
 732         }
 733
 734
 735         if (cursor == playhead_cursor) {
 736                 session->request_locate (target);
 737         } else {
 738                 cursor->set_position (target);
 739         }
 740 }
 741
 742 void
 743 Editor::cursor_to_next_region_boundary (Cursor* cursor)
 744 {
 745         cursor_to_region_boundary (cursor, 1);
 746 }
 747
 748 void
 749 Editor::cursor_to_previous_region_boundary (Cursor* cursor)
 750 {
 751         cursor_to_region_boundary (cursor, -1);
 752 }
 753
 754 void
 755 Editor::cursor_to_region_point (Cursor* cursor, RegionPoint point, int32_t dir)
 756 {
 757         boost::shared_ptr<Region> r;
 758         nframes_t pos = cursor->current_frame;
 759
 760         if (!session) {
 761                 return;
 762         }
 763
 764         TimeAxisView *ontrack = 0;
 765
 766         // so we don't find the current region again..
 767         if (dir>0 || pos>0)
 768                 pos+=dir;
 769
 770         if (!selection->tracks.empty()) {
 771
 772                 r = find_next_region (pos, point, dir, selection->tracks, &ontrack);
 773
 774         } else if (clicked_trackview) {
 775
 776                 TrackViewList t;
 777                 t.push_back (clicked_trackview);
 778
 779                 r = find_next_region (pos, point, dir, t, &ontrack);
 780
 781         } else {
 782
 783                 r = find_next_region (pos, point, dir, track_views, &ontrack);
 784         }
 785
 786         if (r == 0) {
 787                 return;
 788         }
 789
 790         switch (point){
 791         case Start:
 792                 pos = r->first_frame ();
 793                 break;
 794
 795         case End:
 796                 pos = r->last_frame ();
 797                 break;
 798
 799         case SyncPoint:
 800                 pos = r->adjust_to_sync (r->first_frame());
 801                 break;
 802         }
 803
 804         float speed = 1.0f;
 805         AudioTimeAxisView *atav;
 806
 807         if ( ontrack != 0 && (atav = dynamic_cast<AudioTimeAxisView*>(ontrack)) != 0 ) {
 808                 if (atav->get_diskstream() != 0) {
 809                         speed = atav->get_diskstream()->speed();
 810                 }
 811         }
 812
 813         pos = track_frame_to_session_frame(pos, speed);
 814
 815         if (cursor == playhead_cursor) {
 816                 session->request_locate (pos);
 817         } else {
 818                 cursor->set_position (pos);
 819         }
 820 }
 821
 822 void
 823 Editor::cursor_to_next_region_point (Cursor* cursor, RegionPoint point)
 824 {
 825         cursor_to_region_point (cursor, point, 1);
 826 }
 827
 828 void
 829 Editor::cursor_to_previous_region_point (Cursor* cursor, RegionPoint point)
 830 {
 831         cursor_to_region_point (cursor, point, -1);
 832 }
 833
 834 void
 835 Editor::cursor_to_selection_start (Cursor *cursor)
 836 {
 837         nframes_t pos = 0;
 838         switch (mouse_mode) {
 839         case MouseObject:
 840                 if (!selection->regions.empty()) {
 841                         pos = selection->regions.start();
 842                 }
 843                 break;
 844
 845         case MouseRange:
 846                 if (!selection->time.empty()) {
 847                         pos = selection->time.start ();
 848                 }
 849                 break;
 850
 851         default:
 852                 return;
 853         }
 854
 855         if (cursor == playhead_cursor) {
 856                 session->request_locate (pos);
 857         } else {
 858                 cursor->set_position (pos);
 859         }
 860 }
 861
 862 void
 863 Editor::cursor_to_selection_end (Cursor *cursor)
 864 {
 865         nframes_t pos = 0;
 866
 867         switch (mouse_mode) {
 868         case MouseObject:
 869                 if (!selection->regions.empty()) {
 870                         pos = selection->regions.end_frame();
 871                 }
 872                 break;
 873
 874         case MouseRange:
 875                 if (!selection->time.empty()) {
 876                         pos = selection->time.end_frame ();
 877                 }
 878                 break;
 879
 880         default:
 881                 return;
 882         }
 883
 884         if (cursor == playhead_cursor) {
 885                 session->request_locate (pos);
 886         } else {
 887                 cursor->set_position (pos);
 888         }
 889 }
 890
 891 void
 892 Editor::selected_marker_to_region_boundary (int32_t dir)
 893 {
 894         nframes64_t target;
 895         Location* loc;
 896         bool ignored;
 897
 898         if (!session) {
 899                 return;
 900         }
 901
 902         if (selection->markers.empty()) {
 903                 nframes64_t mouse;
 904                 bool ignored;
 905
 906                 if (!mouse_frame (mouse, ignored)) {
 907                         return;
 908                 }
 909
 910                 add_location_mark (mouse);
 911         }
 912
 913         if ((loc = find_location_from_marker (selection->markers.front(), ignored)) == 0) {
 914                 return;
 915         }
 916
 917         nframes64_t pos = loc->start();
 918
 919         // so we don't find the current region again..
 920         if (dir > 0 || pos > 0) {
 921                 pos += dir;
 922         }
 923
 924         if (!selection->tracks.empty()) {
 925
 926                 target = find_next_region_boundary (pos, dir, selection->tracks);
 927
 928         } else {
 929
 930                 target = find_next_region_boundary (pos, dir, track_views);
 931         }
 932
 933         if (target < 0) {
 934                 return;
 935         }
 936
 937         loc->move_to (target);
 938 }
 939
 940 void
 941 Editor::selected_marker_to_next_region_boundary ()
 942 {
 943         selected_marker_to_region_boundary (1);
 944 }
 945
 946 void
 947 Editor::selected_marker_to_previous_region_boundary ()
 948 {
 949         selected_marker_to_region_boundary (-1);
 950 }
 951
 952 void
 953 Editor::selected_marker_to_region_point (RegionPoint point, int32_t dir)
 954 {
 955         boost::shared_ptr<Region> r;
 956         nframes_t pos;
 957         Location* loc;
 958         bool ignored;
 959
 960         if (!session || selection->markers.empty()) {
 961                 return;
 962         }
 963
 964         if ((loc = find_location_from_marker (selection->markers.front(), ignored)) == 0) {
 965                 return;
 966         }
 967
 968         TimeAxisView *ontrack = 0;
 969
 970         pos = loc->start();
 971
 972         // so we don't find the current region again..
 973         if (dir>0 || pos>0)
 974                 pos+=dir;
 975
 976         if (!selection->tracks.empty()) {
 977
 978                 r = find_next_region (pos, point, dir, selection->tracks, &ontrack);
 979
 980         } else if (clicked_trackview) {
 981
 982                 TrackViewList t;
 983                 t.push_back (clicked_trackview);
 984
 985                 r = find_next_region (pos, point, dir, t, &ontrack);
 986
 987         } else {
 988
 989                 r = find_next_region (pos, point, dir, track_views, &ontrack);
 990         }
 991
 992         if (r == 0) {
 993                 return;
 994         }
 995
 996         switch (point){
 997         case Start:
 998                 pos = r->first_frame ();
 999                 break;
1000
1001         case End:
1002                 pos = r->last_frame ();
1003                 break;
1004
1005         case SyncPoint:
1006                 pos = r->adjust_to_sync (r->first_frame());
1007                 break;
1008         }
1009
1010         float speed = 1.0f;
1011         AudioTimeAxisView *atav;
1012
1013         if ( ontrack != 0 && (atav = dynamic_cast<AudioTimeAxisView*>(ontrack)) != 0 ) {
1014                 if (atav->get_diskstream() != 0) {
1015                         speed = atav->get_diskstream()->speed();
1016                 }
1017         }
1018
1019         pos = track_frame_to_session_frame(pos, speed);
1020
1021         loc->move_to (pos);
1022 }
1023
1024 void
1025 Editor::selected_marker_to_next_region_point (RegionPoint point)
1026 {
1027         selected_marker_to_region_point (point, 1);
1028 }
1029
1030 void
1031 Editor::selected_marker_to_previous_region_point (RegionPoint point)
1032 {
1033         selected_marker_to_region_point (point, -1);
1034 }
1035
1036 void
1037 Editor::selected_marker_to_selection_start ()
1038 {
1039         nframes_t pos = 0;
1040         Location* loc;
1041         bool ignored;
1042
1043         if (!session || selection->markers.empty()) {
1044                 return;
1045         }
1046
1047         if ((loc = find_location_from_marker (selection->markers.front(), ignored)) == 0) {
1048                 return;
1049         }
1050
1051         switch (mouse_mode) {
1052         case MouseObject:
1053                 if (!selection->regions.empty()) {
1054                         pos = selection->regions.start();
1055                 }
1056                 break;
1057
1058         case MouseRange:
1059                 if (!selection->time.empty()) {
1060                         pos = selection->time.start ();
1061                 }
1062                 break;
1063
1064         default:
1065                 return;
1066         }
1067
1068         loc->move_to (pos);
1069 }
1070
1071 void
1072 Editor::selected_marker_to_selection_end ()
1073 {
1074         nframes_t pos = 0;
1075         Location* loc;
1076         bool ignored;
1077
1078         if (!session || selection->markers.empty()) {
1079                 return;
1080         }
1081
1082         if ((loc = find_location_from_marker (selection->markers.front(), ignored)) == 0) {
1083                 return;
1084         }
1085
1086         switch (mouse_mode) {
1087         case MouseObject:
1088                 if (!selection->regions.empty()) {
1089                         pos = selection->regions.end_frame();
1090                 }
1091                 break;
1092
1093         case MouseRange:
1094                 if (!selection->time.empty()) {
1095                         pos = selection->time.end_frame ();
1096                 }
1097                 break;
1098
1099         default:
1100                 return;
1101         }
1102
1103         loc->move_to (pos);
1104 }
1105
1106 void
1107 Editor::scroll_playhead (bool forward)
1108 {
1109         nframes_t pos = playhead_cursor->current_frame;
1110         nframes_t delta = (nframes_t) floor (current_page_frames() / 0.8);
1111
1112         if (forward) {
1113                 if (pos == max_frames) {
1114                         return;
1115                 }
1116
1117                 if (pos < max_frames - delta) {
1118                         pos += delta ;
1119                 } else {
1120                         pos = max_frames;
1121                 }
1122
1123         } else {
1124
1125                 if (pos == 0) {
1126                         return;
1127                 }
1128
1129                 if (pos > delta) {
1130                         pos -= delta;
1131                 } else {
1132                         pos = 0;
1133                 }
1134         }
1135
1136         session->request_locate (pos);
1137 }
1138
1139 void
1140 Editor::playhead_backward ()
1141 {
1142         nframes_t pos;
1143         nframes_t cnt;
1144         float prefix;
1145         bool was_floating;
1146
1147         if (get_prefix (prefix, was_floating)) {
1148                 cnt = 1;
1149         } else {
1150                 if (was_floating) {
1151                         cnt = (nframes_t) floor (prefix * session->frame_rate ());
1152                 } else {
1153                         cnt = (nframes_t) prefix;
1154                 }
1155         }
1156
1157         pos = playhead_cursor->current_frame;
1158
1159         if ((nframes_t) pos < cnt) {
1160                 pos = 0;
1161         } else {
1162                 pos -= cnt;
1163         }
1164
1165         /* XXX this is completely insane. with the current buffering
1166            design, we'll force a complete track buffer flush and
1167            reload, just to move 1 sample !!!
1168         */
1169
1170         session->request_locate (pos);
1171 }
1172
1173 void
1174 Editor::playhead_forward ()
1175 {
1176         nframes_t pos;
1177         nframes_t cnt;
1178         bool was_floating;
1179         float prefix;
1180
1181         if (get_prefix (prefix, was_floating)) {
1182                 cnt = 1;
1183         } else {
1184                 if (was_floating) {
1185                         cnt = (nframes_t) floor (prefix * session->frame_rate ());
1186                 } else {
1187                         cnt = (nframes_t) floor (prefix);
1188                 }
1189         }
1190
1191         pos = playhead_cursor->current_frame;
1192
1193         /* XXX this is completely insane. with the current buffering
1194            design, we'll force a complete track buffer flush and
1195            reload, just to move 1 sample !!!
1196         */
1197
1198         session->request_locate (pos+cnt);
1199 }
1200
1201 void
1202 Editor::cursor_align (bool playhead_to_edit)
1203 {
1204         if (!session) {
1205                 return;
1206         }
1207
1208         if (playhead_to_edit) {
1209
1210                 if (selection->markers.empty()) {
1211                         return;
1212                 }
1213
1214                 session->request_locate (selection->markers.front()->position(), session->transport_rolling());
1215
1216         } else {
1217
1218                 /* move selected markers to playhead */
1219
1220                 for (MarkerSelection::iterator i = selection->markers.begin(); i != selection->markers.end(); ++i) {
1221                         bool ignored;
1222
1223                         Location* loc = find_location_from_marker (*i, ignored);
1224
1225                         if (loc->is_mark()) {
1226                                 loc->set_start (playhead_cursor->current_frame);
1227                         } else {
1228                                 loc->set (playhead_cursor->current_frame,
1229                                           playhead_cursor->current_frame + loc->length());
1230                         }
1231                 }
1232         }
1233 }
1234
1235 void
1236 Editor::edit_cursor_backward ()
1237 {
1238         nframes64_t pos;
1239         nframes64_t cnt;
1240         float prefix;
1241         bool was_floating;
1242
1243         if (get_prefix (prefix, was_floating)) {
1244                 cnt = 1;
1245         } else {
1246                 if (was_floating) {
1247                         cnt = (nframes_t) floor (prefix * session->frame_rate ());
1248                 } else {
1249                         cnt = (nframes_t) prefix;
1250                 }
1251         }
1252
1253         if ((pos = get_preferred_edit_position()) < 0) {
1254                 return;
1255         }
1256
1257         if (pos < cnt) {
1258                 pos = 0;
1259         } else {
1260                 pos -= cnt;
1261         }
1262
1263         // EDIT CURSOR edit_cursor->set_position (pos);
1264 }
1265
1266 void
1267 Editor::edit_cursor_forward ()
1268 {
1269         //nframes_t pos;
1270         nframes_t cnt;
1271         bool was_floating;
1272         float prefix;
1273
1274         if (get_prefix (prefix, was_floating)) {
1275                 cnt = 1;
1276         } else {
1277                 if (was_floating) {
1278                         cnt = (nframes_t) floor (prefix * session->frame_rate ());
1279                 } else {
1280                         cnt = (nframes_t) floor (prefix);
1281                 }
1282         }
1283
1284         // pos = edit_cursor->current_frame;
1285         // EDIT CURSOR edit_cursor->set_position (pos+cnt);
1286 }
1287
1288 void
1289 Editor::goto_frame ()
1290 {
1291         float prefix;
1292         bool was_floating;
1293         nframes_t frame;
1294
1295         if (get_prefix (prefix, was_floating)) {
1296                 return;
1297         }
1298
1299         if (was_floating) {
1300                 frame = (nframes_t) floor (prefix * session->frame_rate());
1301         } else {
1302                 frame = (nframes_t) floor (prefix);
1303         }
1304
1305         session->request_locate (frame);
1306 }
1307
1308 void
1309 Editor::scroll_backward (float pages)
1310 {
1311         nframes_t frame;
1312         nframes_t one_page = (nframes_t) rint (canvas_width * frames_per_unit);
1313         bool was_floating;
1314         float prefix;
1315         nframes_t cnt;
1316
1317         if (get_prefix (prefix, was_floating)) {
1318                 cnt = (nframes_t) floor (pages * one_page);
1319         } else {
1320                 if (was_floating) {
1321                         cnt = (nframes_t) floor (prefix * session->frame_rate());
1322                 } else {
1323                         cnt = (nframes_t) floor (prefix * one_page);
1324                 }
1325         }
1326
1327         if (leftmost_frame < cnt) {
1328                 frame = 0;
1329         } else {
1330                 frame = leftmost_frame - cnt;
1331         }
1332
1333         reset_x_origin (frame);
1334 }
1335
1336 void
1337 Editor::scroll_forward (float pages)
1338 {
1339         nframes_t frame;
1340         nframes_t one_page = (nframes_t) rint (canvas_width * frames_per_unit);
1341         bool was_floating;
1342         float prefix;
1343         nframes_t cnt;
1344
1345         if (get_prefix (prefix, was_floating)) {
1346                 cnt = (nframes_t) floor (pages * one_page);
1347         } else {
1348                 if (was_floating) {
1349                         cnt = (nframes_t) floor (prefix * session->frame_rate());
1350                 } else {
1351                         cnt = (nframes_t) floor (prefix * one_page);
1352                 }
1353         }
1354
1355         if (max_frames - cnt < leftmost_frame) {
1356                 frame = max_frames - cnt;
1357         } else {
1358                 frame = leftmost_frame + cnt;
1359         }
1360
1361         reset_x_origin (frame);
1362 }
1363
1364 void
1365 Editor::scroll_tracks_down ()
1366 {
1367         float prefix;
1368         bool was_floating;
1369         int cnt;
1370
1371         if (get_prefix (prefix, was_floating)) {
1372                 cnt = 1;
1373         } else {
1374                 cnt = (int) floor (prefix);
1375         }
1376
1377         double vert_value = vertical_adjustment.get_value() + (cnt *
1378                 vertical_adjustment.get_page_size());
1379         if (vert_value > vertical_adjustment.get_upper() - canvas_height) {
1380                 vert_value = vertical_adjustment.get_upper() - canvas_height;
1381         }
1382         vertical_adjustment.set_value (vert_value);
1383 }
1384
1385 void
1386 Editor::scroll_tracks_up ()
1387 {
1388         float prefix;
1389         bool was_floating;
1390         int cnt;
1391
1392         if (get_prefix (prefix, was_floating)) {
1393                 cnt = 1;
1394         } else {
1395                 cnt = (int) floor (prefix);
1396         }
1397
1398         vertical_adjustment.set_value (vertical_adjustment.get_value() - (cnt * vertical_adjustment.get_page_size()));
1399 }
1400
1401 void
1402 Editor::scroll_tracks_down_line ()
1403 {
1404
1405         Gtk::Adjustment* adj = edit_vscrollbar.get_adjustment();
1406         double vert_value = adj->get_value() + 20;
1407
1408         if (vert_value>adj->get_upper() - canvas_height) {
1409                 vert_value = adj->get_upper() - canvas_height;
1410         }
1411         adj->set_value (vert_value);
1412 }
1413
1414 void
1415 Editor::scroll_tracks_up_line ()
1416 {
1417         Gtk::Adjustment* adj = edit_vscrollbar.get_adjustment();
1418         adj->set_value (adj->get_value() - 20);
1419 }
1420
1421 /* ZOOM */
1422
1423 void
1424 Editor::temporal_zoom_step (bool coarser)
1425 {
1426         ENSURE_GUI_THREAD (bind (mem_fun (*this, &Editor::temporal_zoom_step), coarser));
1427
1428         double nfpu;
1429
1430         nfpu = frames_per_unit;
1431
1432         if (coarser) {
1433                 nfpu *= 1.61803399;
1434         } else {
1435                 nfpu = max(1.0,(nfpu/1.61803399));
1436         }
1437
1438         temporal_zoom (nfpu);
1439 }
1440
1441 void
1442 Editor::temporal_zoom (gdouble fpu)
1443 {
1444         if (!session) return;
1445
1446         nframes64_t current_page = current_page_frames();
1447         nframes64_t current_leftmost = leftmost_frame;
1448         nframes64_t current_rightmost;
1449         nframes64_t current_center;
1450         nframes64_t new_page;
1451         nframes64_t leftmost_after_zoom = 0;
1452         nframes64_t where;
1453         bool in_track_canvas;
1454         double nfpu;
1455
1456         nfpu = fpu;
1457
1458         new_page = (nframes_t) floor (canvas_width * nfpu);
1459
1460         switch (zoom_focus) {
1461         case ZoomFocusLeft:
1462                 leftmost_after_zoom = current_leftmost;
1463                 break;
1464
1465         case ZoomFocusRight:
1466                 current_rightmost = leftmost_frame + current_page;
1467                 if (current_rightmost > new_page) {
1468                         leftmost_after_zoom = current_rightmost - new_page;
1469                 } else {
1470                         leftmost_after_zoom = 0;
1471                 }
1472                 break;
1473
1474         case ZoomFocusCenter:
1475                 current_center = current_leftmost + (current_page/2);
1476                 if (current_center > (new_page/2)) {
1477                         leftmost_after_zoom = current_center - (new_page / 2);
1478                 } else {
1479                         leftmost_after_zoom = 0;
1480                 }
1481                 break;
1482
1483         case ZoomFocusPlayhead:
1484                 /* try to keep the playhead in the center */
1485                 if (playhead_cursor->current_frame > new_page/2) {
1486                         leftmost_after_zoom = playhead_cursor->current_frame - (new_page/2);
1487                 } else {
1488                         leftmost_after_zoom = 0;
1489                 }
1490                 break;
1491
1492         case ZoomFocusMouse:
1493                 /* try to keep the mouse over the same point in the display */
1494
1495                 if (!mouse_frame (where, in_track_canvas)) {
1496                         /* use playhead instead */
1497                         where = playhead_cursor->current_frame;
1498
1499                         if (where > new_page/2) {
1500                                 leftmost_after_zoom = where - (new_page/2);
1501                         } else {
1502                                 leftmost_after_zoom = 0;
1503                         }
1504
1505                 } else {
1506
1507                         double l = - ((new_page * ((where - current_leftmost)/(double)current_page)) - where);
1508
1509                         if (l < 0) {
1510                                 leftmost_after_zoom = 0;
1511                         } else if (l > max_frames) {
1512                                 leftmost_after_zoom = max_frames - new_page;
1513                         } else {
1514                                 leftmost_after_zoom = (nframes64_t) l;
1515                         }
1516                 }
1517
1518                 break;
1519
1520         case ZoomFocusEdit:
1521                 /* try to keep the edit point in the center */
1522                 if (get_preferred_edit_position() > new_page/2) {
1523                         leftmost_after_zoom = get_preferred_edit_position() - (new_page/2);
1524                 } else {
1525                         leftmost_after_zoom = 0;
1526                 }
1527                 break;
1528
1529         }
1530
1531         // leftmost_after_zoom = min (leftmost_after_zoom, session->current_end_frame());
1532
1533 //      begin_reversible_command (_("zoom"));
1534 //      session->add_undo (bind (mem_fun(*this, &Editor::reposition_and_zoom), current_leftmost, frames_per_unit));
1535 //      session->add_redo (bind (mem_fun(*this, &Editor::reposition_and_zoom), leftmost_after_zoom, nfpu));
1536 //      commit_reversible_command ();
1537
1538         // cerr << "repos & zoom to " << leftmost_after_zoom << " @ " << nfpu << endl;
1539
1540         reposition_and_zoom (leftmost_after_zoom, nfpu);
1541 }
1542
1543 void
1544 Editor::temporal_zoom_region ()
1545 {
1546
1547         nframes64_t start = max_frames;
1548         nframes64_t end = 0;
1549
1550         ensure_entered_region_selected (true);
1551
1552         if (selection->regions.empty()) {
1553                 info << _("cannot set loop: no region selected") << endmsg;
1554                 return;
1555         }
1556
1557         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
1558                 if ((*i)->region()->position() < start) {
1559                         start = (*i)->region()->position();
1560                 }
1561                 if ((*i)->region()->last_frame() + 1 > end) {
1562                         end = (*i)->region()->last_frame() + 1;
1563                 }
1564         }
1565
1566         /* now comes an "interesting" hack ... make sure we leave a little space
1567            at each end of the editor so that the zoom doesn't fit the region
1568            precisely to the screen.
1569         */
1570
1571         GdkScreen* screen = gdk_screen_get_default ();
1572         gint pixwidth = gdk_screen_get_width (screen);
1573         gint mmwidth = gdk_screen_get_width_mm (screen);
1574         double pix_per_mm = (double) pixwidth/ (double) mmwidth;
1575         double one_centimeter_in_pixels = pix_per_mm * 10.0;
1576         nframes_t extra_samples = unit_to_frame (one_centimeter_in_pixels);
1577
1578         if (start > extra_samples) {
1579                 start -= extra_samples;
1580         } else {
1581                 start = 0;
1582         }
1583
1584         if (max_frames - extra_samples > end) {
1585                 end += extra_samples;
1586         } else {
1587                 end = max_frames;
1588         }
1589
1590         temporal_zoom_by_frame (start, end, "zoom to region");
1591         zoomed_to_region = true;
1592 }
1593
1594 void
1595 Editor::toggle_zoom_region ()
1596 {
1597         if (zoomed_to_region) {
1598                 swap_visual_state ();
1599         } else {
1600                 temporal_zoom_region ();
1601         }
1602 }
1603
1604 void
1605 Editor::temporal_zoom_selection ()
1606 {
1607         if (!selection) return;
1608
1609         if (selection->time.empty()) {
1610                 return;
1611         }
1612
1613         nframes_t start = selection->time[clicked_selection].start;
1614         nframes_t end = selection->time[clicked_selection].end;
1615
1616         temporal_zoom_by_frame (start, end, "zoom to selection");
1617 }
1618
1619 void
1620 Editor::temporal_zoom_session ()
1621 {
1622         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::temporal_zoom_session));
1623
1624         if (session) {
1625                 temporal_zoom_by_frame (session->current_start_frame(), session->current_end_frame(), "zoom to session");
1626         }
1627 }
1628
1629 void
1630 Editor::temporal_zoom_by_frame (nframes_t start, nframes_t end, const string & op)
1631 {
1632         if (!session) return;
1633
1634         if ((start == 0 && end == 0) || end < start) {
1635                 return;
1636         }
1637
1638         nframes_t range = end - start;
1639
1640         double new_fpu = (double)range / (double)canvas_width;
1641 //      double p2 = 1.0;
1642
1643 //      while (p2 < new_fpu) {
1644 //              p2 *= 2.0;
1645 //      }
1646 //      new_fpu = p2;
1647
1648         nframes_t new_page = (nframes_t) floor (canvas_width * new_fpu);
1649         nframes_t middle = (nframes_t) floor( (double)start + ((double)range / 2.0f ));
1650         nframes_t new_leftmost = (nframes_t) floor( (double)middle - ((double)new_page/2.0f));
1651
1652         if (new_leftmost > middle) new_leftmost = 0;
1653
1654 //      begin_reversible_command (op);
1655 //      session->add_undo (bind (mem_fun(*this, &Editor::reposition_and_zoom), leftmost_frame, frames_per_unit));
1656 //      session->add_redo (bind (mem_fun(*this, &Editor::reposition_and_zoom), new_leftmost, new_fpu));
1657 //      commit_reversible_command ();
1658
1659         reposition_and_zoom (new_leftmost, new_fpu);
1660 }
1661
1662 void
1663 Editor::temporal_zoom_to_frame (bool coarser, nframes_t frame)
1664 {
1665         if (!session) return;
1666
1667         double range_before = frame - leftmost_frame;
1668         double new_fpu;
1669
1670         new_fpu = frames_per_unit;
1671
1672         if (coarser) {
1673                 new_fpu *= 1.61803399;
1674                 range_before *= 1.61803399;
1675         } else {
1676                 new_fpu = max(1.0,(new_fpu/1.61803399));
1677                 range_before /= 1.61803399;
1678         }
1679
1680         if (new_fpu == frames_per_unit) return;
1681
1682         nframes_t new_leftmost = frame - (nframes_t)range_before;
1683
1684         if (new_leftmost > frame) new_leftmost = 0;
1685
1686 //      begin_reversible_command (_("zoom to frame"));
1687 //      session->add_undo (bind (mem_fun(*this, &Editor::reposition_and_zoom), leftmost_frame, frames_per_unit));
1688 //      session->add_redo (bind (mem_fun(*this, &Editor::reposition_and_zoom), new_leftmost, new_fpu));
1689 //      commit_reversible_command ();
1690
1691         reposition_and_zoom (new_leftmost, new_fpu);
1692 }
1693
1694 void
1695 Editor::add_location_from_selection ()
1696 {
1697         string rangename;
1698
1699         if (selection->time.empty()) {
1700                 return;
1701         }
1702
1703         if (session == 0 || clicked_trackview == 0) {
1704                 return;
1705         }
1706
1707         nframes_t start = selection->time[clicked_selection].start;
1708         nframes_t end = selection->time[clicked_selection].end;
1709
1710         session->locations()->next_available_name(rangename,"selection");
1711         Location *location = new Location (start, end, rangename, Location::IsRangeMarker);
1712
1713         session->begin_reversible_command (_("add marker"));
1714         XMLNode &before = session->locations()->get_state();
1715         session->locations()->add (location, true);
1716         XMLNode &after = session->locations()->get_state();
1717         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
1718         session->commit_reversible_command ();
1719 }
1720
1721 void
1722 Editor::add_location_mark (nframes64_t where)
1723 {
1724         string markername;
1725
1726         select_new_marker = true;
1727
1728         session->locations()->next_available_name(markername,"mark");
1729         Location *location = new Location (where, where, markername, Location::IsMark);
1730         session->begin_reversible_command (_("add marker"));
1731         XMLNode &before = session->locations()->get_state();
1732         session->locations()->add (location, true);
1733         XMLNode &after = session->locations()->get_state();
1734         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
1735         session->commit_reversible_command ();
1736 }
1737
1738 void
1739 Editor::add_location_from_playhead_cursor ()
1740 {
1741         add_location_mark (session->audible_frame());
1742 }
1743
1744 void
1745 Editor::add_location_from_audio_region ()
1746 {
1747         if (selection->regions.empty()) {
1748                 return;
1749         }
1750
1751         RegionView* rv = *(selection->regions.begin());
1752         boost::shared_ptr<Region> region = rv->region();
1753
1754         Location *location = new Location (region->position(), region->last_frame(), region->name(), Location::IsRangeMarker);
1755         session->begin_reversible_command (_("add marker"));
1756         XMLNode &before = session->locations()->get_state();
1757         session->locations()->add (location, true);
1758         XMLNode &after = session->locations()->get_state();
1759         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
1760         session->commit_reversible_command ();
1761 }
1762
1763 void
1764 Editor::amplitude_zoom_step (bool in)
1765 {
1766         gdouble zoom = 1.0;
1767
1768         if (in) {
1769                 zoom *= 2.0;
1770         } else {
1771                 if (zoom > 2.0) {
1772                         zoom /= 2.0;
1773                 } else {
1774                         zoom = 1.0;
1775                 }
1776         }
1777
1778 #ifdef FIX_FOR_CANVAS
1779         /* XXX DO SOMETHING */
1780 #endif
1781 }
1782
1783
1784 /* DELETION */
1785
1786
1787 void
1788 Editor::delete_sample_forward ()
1789 {
1790 }
1791
1792 void
1793 Editor::delete_sample_backward ()
1794 {
1795 }
1796
1797 void
1798 Editor::delete_screen ()
1799 {
1800 }
1801
1802 /* SEARCH */
1803
1804 void
1805 Editor::search_backwards ()
1806 {
1807         /* what ? */
1808 }
1809
1810 void
1811 Editor::search_forwards ()
1812 {
1813         /* what ? */
1814 }
1815
1816 /* MARKS */
1817
1818 void
1819 Editor::jump_forward_to_mark ()
1820 {
1821         if (!session) {
1822                 return;
1823         }
1824
1825         Location *location = session->locations()->first_location_after (playhead_cursor->current_frame);
1826
1827         if (location) {
1828                 session->request_locate (location->start(), session->transport_rolling());
1829         } else {
1830                 session->request_locate (session->current_end_frame());
1831         }
1832 }
1833
1834 void
1835 Editor::jump_backward_to_mark ()
1836 {
1837         if (!session) {
1838                 return;
1839         }
1840
1841         Location *location = session->locations()->first_location_before (playhead_cursor->current_frame);
1842
1843         if (location) {
1844                 session->request_locate (location->start(), session->transport_rolling());
1845         } else {
1846                 session->goto_start ();
1847         }
1848 }
1849
1850 void
1851 Editor::set_mark ()
1852 {
1853         nframes_t pos;
1854         float prefix;
1855         bool was_floating;
1856         string markername;
1857
1858         if (get_prefix (prefix, was_floating)) {
1859                 pos = session->audible_frame ();
1860         } else {
1861                 if (was_floating) {
1862                         pos = (nframes_t) floor (prefix * session->frame_rate ());
1863                 } else {
1864                         pos = (nframes_t) floor (prefix);
1865                 }
1866         }
1867
1868         session->locations()->next_available_name(markername,"mark");
1869         session->locations()->add (new Location (pos, 0, markername, Location::IsMark), true);
1870 }
1871
1872 void
1873 Editor::clear_markers ()
1874 {
1875         if (session) {
1876                 session->begin_reversible_command (_("clear markers"));
1877                 XMLNode &before = session->locations()->get_state();
1878                 session->locations()->clear_markers ();
1879                 XMLNode &after = session->locations()->get_state();
1880                 session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
1881                 session->commit_reversible_command ();
1882         }
1883 }
1884
1885 void
1886 Editor::clear_ranges ()
1887 {
1888         if (session) {
1889                 session->begin_reversible_command (_("clear ranges"));
1890                 XMLNode &before = session->locations()->get_state();
1891
1892                 Location * looploc = session->locations()->auto_loop_location();
1893                 Location * punchloc = session->locations()->auto_punch_location();
1894
1895                 session->locations()->clear_ranges ();
1896                 // re-add these
1897                 if (looploc) session->locations()->add (looploc);
1898                 if (punchloc) session->locations()->add (punchloc);
1899
1900                 XMLNode &after = session->locations()->get_state();
1901                 session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
1902                 session->commit_reversible_command ();
1903         }
1904 }
1905
1906 void
1907 Editor::clear_locations ()
1908 {
1909         session->begin_reversible_command (_("clear locations"));
1910         XMLNode &before = session->locations()->get_state();
1911         session->locations()->clear ();
1912         XMLNode &after = session->locations()->get_state();
1913         session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
1914         session->commit_reversible_command ();
1915         session->locations()->clear ();
1916 }
1917
1918 void
1919 Editor::unhide_markers ()
1920 {
1921         for (LocationMarkerMap::iterator i = location_markers.begin(); i != location_markers.end(); ++i) {
1922                 Location *l = (*i).first;
1923                 if (l->is_hidden() && l->is_mark()) {
1924                         l->set_hidden(false, this);
1925                 }
1926         }
1927 }
1928
1929 void
1930 Editor::unhide_ranges ()
1931 {
1932         for (LocationMarkerMap::iterator i = location_markers.begin(); i != location_markers.end(); ++i) {
1933                 Location *l = (*i).first;
1934                 if (l->is_hidden() && l->is_range_marker()) {
1935                         l->set_hidden(false, this);
1936                 }
1937         }
1938 }
1939
1940 /* INSERT/REPLACE */
1941
1942 void
1943 Editor::insert_region_list_drag (boost::shared_ptr<AudioRegion> region, int x, int y)
1944 {
1945         double wx, wy;
1946         double cx, cy;
1947         TimeAxisView *tv;
1948         nframes_t where;
1949         AudioTimeAxisView *atv = 0;
1950         boost::shared_ptr<Playlist> playlist;
1951
1952         track_canvas.window_to_world (x, y, wx, wy);
1953         wx += horizontal_adjustment.get_value();
1954         wy += vertical_adjustment.get_value();
1955
1956         GdkEvent event;
1957         event.type = GDK_BUTTON_RELEASE;
1958         event.button.x = wx;
1959         event.button.y = wy;
1960
1961         where = event_frame (&event, &cx, &cy);
1962
1963         if (where < leftmost_frame || where > leftmost_frame + current_page_frames()) {
1964                 /* clearly outside canvas area */
1965                 return;
1966         }
1967
1968         if ((tv = trackview_by_y_position (cy)) == 0) {
1969                 return;
1970         }
1971
1972         if ((atv = dynamic_cast<AudioTimeAxisView*>(tv)) == 0) {
1973                 return;
1974         }
1975
1976         if ((playlist = atv->playlist()) == 0) {
1977                 return;
1978         }
1979
1980         snap_to (where);
1981
1982         begin_reversible_command (_("insert dragged region"));
1983         XMLNode &before = playlist->get_state();
1984         playlist->add_region (RegionFactory::create (region), where, 1.0);
1985         session->add_command(new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
1986         commit_reversible_command ();
1987 }
1988
1989 void
1990 Editor::insert_region_list_selection (float times)
1991 {
1992         RouteTimeAxisView *tv = 0;
1993         boost::shared_ptr<Playlist> playlist;
1994
1995         if (clicked_audio_trackview != 0) {
1996                 tv = clicked_audio_trackview;
1997         } else if (!selection->tracks.empty()) {
1998                 if ((tv = dynamic_cast<RouteTimeAxisView*>(selection->tracks.front())) == 0) {
1999                         return;
2000                 }
2001         } else if (entered_track != 0) {
2002                 if ((tv = dynamic_cast<RouteTimeAxisView*>(entered_track)) == 0) {
2003                         return;
2004                 }
2005         } else {
2006                 return;
2007         }
2008
2009         if ((playlist = tv->playlist()) == 0) {
2010                 return;
2011         }
2012
2013         Glib::RefPtr<TreeSelection> selected = region_list_display.get_selection();
2014
2015         if (selected->count_selected_rows() != 1) {
2016                 return;
2017         }
2018
2019         TreeView::Selection::ListHandle_Path rows = selected->get_selected_rows ();
2020
2021         /* only one row selected, so rows.begin() is it */
2022
2023         TreeIter iter;
2024
2025         if ((iter = region_list_model->get_iter (*rows.begin()))) {
2026
2027                 boost::shared_ptr<Region> region = (*iter)[region_list_columns.region];
2028
2029                 begin_reversible_command (_("insert region"));
2030                 XMLNode &before = playlist->get_state();
2031                 playlist->add_region ((RegionFactory::create (region)), get_preferred_edit_position(), times);
2032                 session->add_command(new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
2033                 commit_reversible_command ();
2034         }
2035 }
2036
2037 /* BUILT-IN EFFECTS */
2038
2039 void
2040 Editor::reverse_selection ()
2041 {
2042
2043 }
2044
2045 /* GAIN ENVELOPE EDITING */
2046
2047 void
2048 Editor::edit_envelope ()
2049 {
2050 }
2051
2052 /* PLAYBACK */
2053
2054 void
2055 Editor::transition_to_rolling (bool fwd)
2056 {
2057         if (!session) {
2058                 return;
2059         }
2060
2061         switch (Config->get_slave_source()) {
2062         case None:
2063         case JACK:
2064                 break;
2065         default:
2066                 /* transport controlled by the master */
2067                 return;
2068         }
2069
2070         if (session->is_auditioning()) {
2071                 session->cancel_audition ();
2072                 return;
2073         }
2074
2075         session->request_transport_speed (fwd ? 1.0f : -1.0f);
2076 }
2077
2078 void
2079 Editor::toggle_playback (bool with_abort)
2080 {
2081         if (!session) {
2082                 return;
2083         }
2084
2085         switch (Config->get_slave_source()) {
2086         case None:
2087         case JACK:
2088                 break;
2089         default:
2090                 /* transport controlled by the master */
2091                 return;
2092         }
2093
2094         if (session->is_auditioning()) {
2095                 session->cancel_audition ();
2096                 return;
2097         }
2098
2099         if (session->transport_rolling()) {
2100                 session->request_stop (with_abort);
2101                 if (session->get_play_loop()) {
2102                         session->request_play_loop (false);
2103                 }
2104         } else {
2105                 session->request_transport_speed (1.0f);
2106         }
2107 }
2108
2109 void
2110 Editor::play_from_start ()
2111 {
2112         session->request_locate (session->current_start_frame(), true);
2113 }
2114
2115 void
2116 Editor::play_from_edit_point ()
2117 {
2118         session->request_locate (get_preferred_edit_position(), true);
2119 }
2120
2121 void
2122 Editor::play_from_edit_point_and_return ()
2123 {
2124         nframes64_t start_frame;
2125         nframes64_t return_frame;
2126
2127         if (session->transport_rolling()) {
2128                 session->request_stop ();
2129                 return;
2130         }
2131
2132         switch (_edit_point) {
2133         case EditAtPlayhead:
2134                 session->request_transport_speed (1.0f);
2135                 break;
2136
2137         default:
2138                 return_frame = session->transport_frame();
2139                 start_frame = get_preferred_edit_position ();
2140                 if (start_frame >= 0) {
2141                         session->request_roll_at_and_return (start_frame, return_frame);
2142                 }
2143                 break;
2144         }
2145 }
2146
2147 void
2148 Editor::play_selection ()
2149 {
2150         if (selection->time.empty()) {
2151                 return;
2152         }
2153
2154         session->request_play_range (true);
2155 }
2156
2157 void
2158 Editor::loop_selected_region ()
2159 {
2160         if (!selection->regions.empty()) {
2161                 RegionView *rv = *(selection->regions.begin());
2162                 Location* tll;
2163
2164                 if ((tll = transport_loop_location()) != 0)  {
2165
2166                         tll->set (rv->region()->position(), rv->region()->last_frame());
2167
2168                         // enable looping, reposition and start rolling
2169
2170                         session->request_play_loop (true);
2171                         session->request_locate (tll->start(), false);
2172                         session->request_transport_speed (1.0f);
2173                 }
2174         }
2175 }
2176
2177 void
2178 Editor::play_location (Location& location)
2179 {
2180         if (location.start() <= location.end()) {
2181                 return;
2182         }
2183
2184         session->request_bounded_roll (location.start(), location.end());
2185 }
2186
2187 void
2188 Editor::loop_location (Location& location)
2189 {
2190         if (location.start() <= location.end()) {
2191                 return;
2192         }
2193
2194         Location* tll;
2195
2196         if ((tll = transport_loop_location()) != 0) {
2197                 tll->set (location.start(), location.end());
2198
2199                 // enable looping, reposition and start rolling
2200                 session->request_play_loop (true);
2201                 session->request_locate (tll->start(), true);
2202         }
2203 }
2204
2205 void
2206 Editor::raise_region ()
2207 {
2208         selection->foreach_region (&Region::raise);
2209 }
2210
2211 void
2212 Editor::raise_region_to_top ()
2213 {
2214         selection->foreach_region (&Region::raise_to_top);
2215 }
2216
2217 void
2218 Editor::lower_region ()
2219 {
2220         selection->foreach_region (&Region::lower);
2221 }
2222
2223 void
2224 Editor::lower_region_to_bottom ()
2225 {
2226         selection->foreach_region (&Region::lower_to_bottom);
2227 }
2228
2229 void
2230 Editor::edit_region ()
2231 {
2232         if (clicked_regionview == 0) {
2233                 return;
2234         }
2235
2236         clicked_regionview->show_region_editor ();
2237 }
2238
2239 void
2240 Editor::rename_region()
2241 {
2242         if (selection->regions.empty()) {
2243                 return;
2244         }
2245
2246         WindowTitle title (Glib::get_application_name());
2247         title += _("Rename Region");
2248
2249         ArdourDialog d (*this, title.get_string(), true, false);
2250         Entry entry;
2251         Label label (_("New name:"));
2252         HBox hbox;
2253
2254         hbox.set_spacing (6);
2255         hbox.pack_start (label, false, false);
2256         hbox.pack_start (entry, true, true);
2257
2258         d.get_vbox()->set_border_width (12);
2259         d.get_vbox()->pack_start (hbox, false, false);
2260
2261         d.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
2262         d.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2263
2264         d.set_size_request (300, -1);
2265         d.set_position (Gtk::WIN_POS_MOUSE);
2266
2267         entry.set_text (selection->regions.front()->region()->name());
2268         entry.select_region (0, -1);
2269
2270         entry.signal_activate().connect (bind (mem_fun (d, &Dialog::response), RESPONSE_OK));
2271
2272         d.show_all ();
2273
2274         entry.grab_focus();
2275
2276         int ret = d.run();
2277
2278         d.hide ();
2279
2280         if (ret == RESPONSE_OK) {
2281                 std::string str = entry.get_text();
2282                 strip_whitespace_edges (str);
2283                 if (!str.empty()) {
2284                         selection->regions.front()->region()->set_name (str);
2285                         redisplay_regions ();
2286                 }
2287         }
2288 }
2289
2290 void
2291 Editor::audition_playlist_region_via_route (boost::shared_ptr<Region> region, Route& route)
2292 {
2293         if (session->is_auditioning()) {
2294                 session->cancel_audition ();
2295         }
2296
2297         // note: some potential for creativity here, because region doesn't
2298         // have to belong to the playlist that Route is handling
2299
2300         // bool was_soloed = route.soloed();
2301
2302         route.set_solo (true, this);
2303
2304         session->request_bounded_roll (region->position(), region->position() + region->length());
2305
2306         /* XXX how to unset the solo state ? */
2307 }
2308
2309 void
2310 Editor::play_selected_region ()
2311 {
2312         nframes64_t start = max_frames;
2313         nframes64_t end = 0;
2314
2315         ensure_entered_region_selected (true);
2316
2317         if (selection->regions.empty()) {
2318                 return;
2319         }
2320
2321         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
2322                 if ((*i)->region()->position() < start) {
2323                         start = (*i)->region()->position();
2324                 }
2325                 if ((*i)->region()->last_frame() + 1 > end) {
2326                         end = (*i)->region()->last_frame() + 1;
2327                 }
2328         }
2329
2330         session->request_bounded_roll (start, end);
2331 }
2332
2333 void
2334 Editor::audition_playlist_region_standalone (boost::shared_ptr<Region> region)
2335 {
2336         session->audition_region (region);
2337 }
2338
2339 void
2340 Editor::build_interthread_progress_window ()
2341 {
2342         interthread_progress_window = new ArdourDialog (X_("interthread progress"), true);
2343
2344         interthread_progress_bar.set_orientation (Gtk::PROGRESS_LEFT_TO_RIGHT);
2345
2346         interthread_progress_window->get_vbox()->pack_start (interthread_progress_label, false, false);
2347         interthread_progress_window->get_vbox()->pack_start (interthread_progress_bar,false, false);
2348
2349         // GTK2FIX: this button needs a modifiable label
2350
2351         Button* b = interthread_progress_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
2352         b->signal_clicked().connect (mem_fun(*this, &Editor::interthread_cancel_clicked));
2353
2354         interthread_cancel_button.add (interthread_cancel_label);
2355
2356         interthread_progress_window->set_default_size (200, 100);
2357 }
2358
2359 void
2360 Editor::interthread_cancel_clicked ()
2361 {
2362         if (current_interthread_info) {
2363                 current_interthread_info->cancel = true;
2364         }
2365 }
2366
2367 void
2368 Editor::region_from_selection ()
2369 {
2370         if (clicked_trackview == 0) {
2371                 return;
2372         }
2373
2374         if (selection->time.empty()) {
2375                 return;
2376         }
2377
2378         nframes_t start = selection->time[clicked_selection].start;
2379         nframes_t end = selection->time[clicked_selection].end;
2380
2381         nframes_t selection_cnt = end - start + 1;
2382
2383         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
2384                 boost::shared_ptr<AudioRegion> current;
2385                 boost::shared_ptr<Region> current_r;
2386                 boost::shared_ptr<Playlist> pl;
2387
2388                 nframes_t internal_start;
2389                 string new_name;
2390
2391                 if ((pl = (*i)->playlist()) == 0) {
2392                         continue;
2393                 }
2394
2395                 if ((current_r = pl->top_region_at (start)) == 0) {
2396                         continue;
2397                 }
2398
2399                 current = boost::dynamic_pointer_cast<AudioRegion> (current_r);
2400                 // FIXME: audio only
2401                 if (current != 0) {
2402                         internal_start = start - current->position();
2403                         session->region_name (new_name, current->name(), true);
2404                         boost::shared_ptr<Region> region (RegionFactory::create (current, internal_start, selection_cnt, new_name));
2405                 }
2406         }
2407 }
2408
2409 void
2410 Editor::create_region_from_selection (vector<boost::shared_ptr<AudioRegion> >& new_regions)
2411 {
2412         if (selection->time.empty() || selection->tracks.empty()) {
2413                 return;
2414         }
2415
2416         nframes_t start = selection->time[clicked_selection].start;
2417         nframes_t end = selection->time[clicked_selection].end;
2418
2419         sort_track_selection ();
2420
2421         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
2422
2423                 boost::shared_ptr<AudioRegion> current;
2424                 boost::shared_ptr<Region> current_r;
2425                 boost::shared_ptr<Playlist> playlist;
2426                 nframes_t internal_start;
2427                 string new_name;
2428
2429                 if ((playlist = (*i)->playlist()) == 0) {
2430                         continue;
2431                 }
2432
2433                 if ((current_r = playlist->top_region_at(start)) == 0) {
2434                         continue;
2435                 }
2436
2437                 if ((current = boost::dynamic_pointer_cast<AudioRegion>(current_r)) == 0) {
2438                         continue;
2439                 }
2440
2441                 internal_start = start - current->position();
2442                 session->region_name (new_name, current->name(), true);
2443
2444                 new_regions.push_back (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (current, internal_start, end - start + 1, new_name)));
2445         }
2446 }
2447
2448 void
2449 Editor::split_multichannel_region ()
2450 {
2451         if (selection->regions.empty()) {
2452                 return;
2453         }
2454
2455         vector<boost::shared_ptr<AudioRegion> > v;
2456
2457         for (list<RegionView*>::iterator x = selection->regions.begin(); x != selection->regions.end(); ++x) {
2458
2459                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*x);
2460
2461                 if (!arv || arv->audio_region()->n_channels() < 2) {
2462                         continue;
2463                 }
2464
2465                 (arv)->audio_region()->separate_by_channel (*session, v);
2466         }
2467 }
2468
2469 void
2470 Editor::new_region_from_selection ()
2471 {
2472         region_from_selection ();
2473         cancel_selection ();
2474 }
2475
2476 static void
2477 add_if_covered (RegionView* rv, const AudioRange* ar, RegionSelection* rs)
2478 {
2479         switch (rv->region()->coverage (ar->start, ar->end - 1)) {
2480         case OverlapNone:
2481                 break;
2482         default:
2483                 rs->push_back (rv);
2484         }
2485 }
2486
2487 void
2488 Editor::separate_regions_between (const TimeSelection& ts)
2489 {
2490         bool in_command = false;
2491         boost::shared_ptr<Playlist> playlist;
2492         RegionSelection new_selection;
2493
2494         sort_track_selection ();
2495
2496         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
2497
2498                 AudioTimeAxisView* atv;
2499
2500                 if ((atv = dynamic_cast<AudioTimeAxisView*> ((*i))) != 0) {
2501
2502                         if (atv->is_audio_track()) {
2503
2504                                 /* no edits to destructive tracks */
2505
2506                                 if (atv->audio_track()->audio_diskstream()->destructive()) {
2507                                         continue;
2508                                 }
2509
2510                                 if ((playlist = atv->playlist()) != 0) {
2511
2512
2513                                         XMLNode *before;
2514                                         bool got_some;
2515
2516                                         before = &(playlist->get_state());
2517                                         got_some = false;
2518
2519                                         /* XXX need to consider musical time selections here at some point */
2520
2521                                         double speed = atv->get_diskstream()->speed();
2522
2523
2524                                         for (list<AudioRange>::const_iterator t = ts.begin(); t != ts.end(); ++t) {
2525
2526                                                 sigc::connection c = atv->view()->RegionViewAdded.connect (mem_fun(*this, &Editor::collect_new_region_view));
2527                                                 latest_regionviews.clear ();
2528
2529                                                 playlist->partition ((nframes_t)((*t).start * speed), (nframes_t)((*t).end * speed), true);
2530
2531                                                 c.disconnect ();
2532
2533                                                 if (!latest_regionviews.empty()) {
2534
2535                                                         got_some = true;
2536
2537                                                         atv->view()->foreach_regionview (bind (sigc::ptr_fun (add_if_covered), &(*t), &new_selection));
2538
2539                                                         if (!in_command) {
2540                                                                 begin_reversible_command (_("separate"));
2541                                                                 in_command = true;
2542                                                         }
2543
2544                                                         session->add_command(new MementoCommand<Playlist>(*playlist, before, &playlist->get_state()));
2545
2546                                                 }
2547                                         }
2548
2549                                         if (!got_some) {
2550                                                 delete before;
2551                                         }
2552                                 }
2553                         }
2554                 }
2555         }
2556
2557         if (in_command) {
2558                 selection->set (new_selection);
2559                 set_mouse_mode (MouseObject);
2560
2561                 commit_reversible_command ();
2562         }
2563 }
2564
2565 void
2566 Editor::separate_region_from_selection ()
2567 {
2568         /* preferentially use *all* ranges in the time selection if we're in range mode
2569            to allow discontiguous operation, since get_edit_op_range() currently
2570            returns a single range.
2571         */
2572         if (mouse_mode == MouseRange && !selection->time.empty()) {
2573
2574                 separate_regions_between (selection->time);
2575
2576         } else {
2577
2578                 nframes64_t start;
2579                 nframes64_t end;
2580
2581                 if (get_edit_op_range (start, end)) {
2582
2583                         AudioRange ar (start, end, 1);
2584                         TimeSelection ts;
2585                         ts.push_back (ar);
2586
2587                         /* force track selection */
2588
2589                         ensure_entered_region_selected ();
2590
2591                         separate_regions_between (ts);
2592                 }
2593         }
2594 }
2595
2596 void
2597 Editor::separate_regions_using_location (Location& loc)
2598 {
2599         if (loc.is_mark()) {
2600                 return;
2601         }
2602
2603         AudioRange ar (loc.start(), loc.end(), 1);
2604         TimeSelection ts;
2605
2606         ts.push_back (ar);
2607
2608         separate_regions_between (ts);
2609 }
2610
2611 void
2612 Editor::crop_region_to_selection ()
2613 {
2614         ensure_entered_region_selected (true);
2615
2616         if (!selection->time.empty()) {
2617
2618                 crop_region_to (selection->time.start(), selection->time.end_frame());
2619
2620         } else {
2621
2622                 nframes64_t start;
2623                 nframes64_t end;
2624
2625                 if (get_edit_op_range (start, end)) {
2626                         crop_region_to (start, end);
2627                 }
2628         }
2629
2630 }
2631
2632 void
2633 Editor::crop_region_to (nframes_t start, nframes_t end)
2634 {
2635         vector<boost::shared_ptr<Playlist> > playlists;
2636         boost::shared_ptr<Playlist> playlist;
2637         TrackSelection* ts;
2638
2639         if (selection->tracks.empty()) {
2640                 ts = &track_views;
2641         } else {
2642                 sort_track_selection ();
2643                 ts = &selection->tracks;
2644         }
2645
2646         for (TrackSelection::iterator i = ts->begin(); i != ts->end(); ++i) {
2647
2648                 AudioTimeAxisView* atv;
2649
2650                 if ((atv = dynamic_cast<AudioTimeAxisView*> ((*i))) != 0) {
2651
2652                         if (atv->is_audio_track()) {
2653
2654                                 /* no edits to destructive tracks */
2655
2656                                 if (atv->audio_track()->audio_diskstream()->destructive()) {
2657                                         continue;
2658                                 }
2659
2660                                 if ((playlist = atv->playlist()) != 0) {
2661                                         playlists.push_back (playlist);
2662                                 }
2663                         }
2664                 }
2665         }
2666
2667         if (playlists.empty()) {
2668                 return;
2669         }
2670
2671         nframes_t the_start;
2672         nframes_t the_end;
2673         nframes_t cnt;
2674
2675         begin_reversible_command (_("trim to selection"));
2676
2677         for (vector<boost::shared_ptr<Playlist> >::iterator i = playlists.begin(); i != playlists.end(); ++i) {
2678
2679                 boost::shared_ptr<Region> region;
2680
2681                 the_start = start;
2682
2683                 if ((region = (*i)->top_region_at(the_start)) == 0) {
2684                         continue;
2685                 }
2686
2687                 /* now adjust lengths to that we do the right thing
2688                    if the selection extends beyond the region
2689                 */
2690
2691                 the_start = max (the_start, region->position());
2692                 if (max_frames - the_start < region->length()) {
2693                         the_end = the_start + region->length() - 1;
2694                 } else {
2695                         the_end = max_frames;
2696                 }
2697                 the_end = min (end, the_end);
2698                 cnt = the_end - the_start + 1;
2699
2700                 XMLNode &before = (*i)->get_state();
2701                 region->trim_to (the_start, cnt, this);
2702                 XMLNode &after = (*i)->get_state();
2703                 session->add_command (new MementoCommand<Playlist>(*(*i), &before, &after));
2704         }
2705
2706         commit_reversible_command ();
2707 }
2708
2709 void
2710 Editor::region_fill_track ()
2711 {
2712         nframes_t end;
2713
2714         if (!session || selection->regions.empty()) {
2715                 return;
2716         }
2717
2718         end = session->current_end_frame ();
2719
2720         begin_reversible_command (_("region fill"));
2721
2722         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
2723
2724                 boost::shared_ptr<Region> region ((*i)->region());
2725
2726                 // FIXME
2727                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
2728                 if (!ar)
2729                         continue;
2730
2731                 boost::shared_ptr<Playlist> pl = region->playlist();
2732
2733                 if (end <= region->last_frame()) {
2734                         return;
2735                 }
2736
2737                 double times = (double) (end - region->last_frame()) / (double) region->length();
2738
2739                 if (times == 0) {
2740                         return;
2741                 }
2742
2743                 XMLNode &before = pl->get_state();
2744                 pl->add_region (RegionFactory::create (ar), ar->last_frame(), times);
2745                 session->add_command (new MementoCommand<Playlist>(*pl, &before, &pl->get_state()));
2746         }
2747
2748         commit_reversible_command ();
2749 }
2750
2751 void
2752 Editor::region_fill_selection ()
2753 {
2754         if (clicked_audio_trackview == 0 || !clicked_audio_trackview->is_audio_track()) {
2755                 return;
2756         }
2757
2758         if (selection->time.empty()) {
2759                 return;
2760         }
2761
2762
2763         Glib::RefPtr<TreeSelection> selected = region_list_display.get_selection();
2764
2765         if (selected->count_selected_rows() != 1) {
2766                 return;
2767         }
2768
2769         TreeModel::iterator i = region_list_display.get_selection()->get_selected();
2770         boost::shared_ptr<Region> region = (*i)[region_list_columns.region];
2771
2772         nframes_t start = selection->time[clicked_selection].start;
2773         nframes_t end = selection->time[clicked_selection].end;
2774
2775         boost::shared_ptr<Playlist> playlist;
2776
2777         if (selection->tracks.empty()) {
2778                 return;
2779         }
2780
2781         nframes_t selection_length = end - start;
2782         float times = (float)selection_length / region->length();
2783
2784         begin_reversible_command (_("fill selection"));
2785
2786         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
2787
2788                 if ((playlist = (*i)->playlist()) == 0) {
2789                         continue;
2790                 }
2791
2792                 XMLNode &before = playlist->get_state();
2793                 playlist->add_region (RegionFactory::create (region), start, times);
2794                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
2795         }
2796
2797         commit_reversible_command ();
2798 }
2799
2800 void
2801 Editor::set_region_sync_from_edit_point ()
2802 {
2803         nframes64_t where = get_preferred_edit_position ();
2804         ensure_entered_region_selected (true);
2805         set_sync_point (where, selection->regions);
2806 }
2807
2808 void
2809 Editor::set_sync_point (nframes64_t where, const RegionSelection& rs)
2810 {
2811         bool in_command = false;
2812
2813         for (RegionSelection::const_iterator r = rs.begin(); r != rs.end(); ++r) {
2814
2815                 if (!(*r)->region()->covers (where)) {
2816                         continue;
2817                 }
2818
2819                 boost::shared_ptr<Region> region ((*r)->region());
2820
2821                 if (!in_command) {
2822                         begin_reversible_command (_("set sync point"));
2823                         in_command = true;
2824                 }
2825
2826                 XMLNode &before = region->playlist()->get_state();
2827                 region->set_sync_position (get_preferred_edit_position());
2828                 XMLNode &after = region->playlist()->get_state();
2829                 session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
2830         }
2831
2832         if (in_command) {
2833                 commit_reversible_command ();
2834         }
2835 }
2836
2837 void
2838 Editor::remove_region_sync ()
2839 {
2840         if (clicked_regionview) {
2841                 boost::shared_ptr<Region> region (clicked_regionview->region());
2842                 begin_reversible_command (_("remove sync"));
2843                 XMLNode &before = region->playlist()->get_state();
2844                 region->clear_sync_position ();
2845                 XMLNode &after = region->playlist()->get_state();
2846                 session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
2847                 commit_reversible_command ();
2848         }
2849 }
2850
2851 void
2852 Editor::naturalize ()
2853 {
2854         if (selection->regions.empty()) {
2855                 return;
2856         }
2857         begin_reversible_command (_("naturalize"));
2858         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
2859                 XMLNode &before = (*i)->region()->get_state();
2860                 (*i)->region()->move_to_natural_position (this);
2861                 XMLNode &after = (*i)->region()->get_state();
2862                 session->add_command (new MementoCommand<Region>(*((*i)->region().get()), &before, &after));
2863         }
2864         commit_reversible_command ();
2865 }
2866
2867 void
2868 Editor::align (RegionPoint what)
2869 {
2870         ensure_entered_region_selected ();
2871
2872         nframes64_t where = get_preferred_edit_position();
2873
2874         if (!selection->regions.empty()) {
2875                 align_selection (what, where, selection->regions);
2876         } else {
2877
2878                 RegionSelection rs;
2879                 rs = get_regions_at (where, selection->tracks);
2880                 align_selection (what, where, rs);
2881         }
2882 }
2883
2884 void
2885 Editor::align_relative (RegionPoint what)
2886 {
2887         nframes64_t where = get_preferred_edit_position();
2888
2889         if (!selection->regions.empty()) {
2890                 align_selection_relative (what, where, selection->regions);
2891         } else {
2892
2893                 RegionSelection rs;
2894                 rs = get_regions_at (where, selection->tracks);
2895                 align_selection_relative (what, where, rs);
2896         }
2897 }
2898
2899 struct RegionSortByTime {
2900     bool operator() (const AudioRegionView* a, const AudioRegionView* b) {
2901             return a->region()->position() < b->region()->position();
2902     }
2903 };
2904
2905 void
2906 Editor::align_selection_relative (RegionPoint point, nframes_t position, const RegionSelection& rs)
2907 {
2908         if (rs.empty()) {
2909                 return;
2910         }
2911
2912         nframes_t distance;
2913         nframes_t pos = 0;
2914         int dir;
2915
2916         list<RegionView*> sorted;
2917         rs.by_position (sorted);
2918         boost::shared_ptr<Region> r ((*sorted.begin())->region());
2919
2920         switch (point) {
2921         case Start:
2922                 pos = r->first_frame ();
2923                 break;
2924
2925         case End:
2926                 pos = r->last_frame();
2927                 break;
2928
2929         case SyncPoint:
2930                 pos = r->adjust_to_sync (r->first_frame());
2931                 break;
2932         }
2933
2934         if (pos > position) {
2935                 distance = pos - position;
2936                 dir = -1;
2937         } else {
2938                 distance = position - pos;
2939                 dir = 1;
2940         }
2941
2942         begin_reversible_command (_("align selection (relative)"));
2943
2944         for (RegionSelection::const_iterator i = rs.begin(); i != rs.end(); ++i) {
2945
2946                 boost::shared_ptr<Region> region ((*i)->region());
2947
2948                 XMLNode &before = region->playlist()->get_state();
2949
2950                 if (dir > 0) {
2951                         region->set_position (region->position() + distance, this);
2952                 } else {
2953                         region->set_position (region->position() - distance, this);
2954                 }
2955
2956                 XMLNode &after = region->playlist()->get_state();
2957                 session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
2958
2959         }
2960
2961         commit_reversible_command ();
2962 }
2963
2964 void
2965 Editor::align_selection (RegionPoint point, nframes_t position, const RegionSelection& rs)
2966 {
2967         if (rs.empty()) {
2968                 return;
2969         }
2970
2971         begin_reversible_command (_("align selection"));
2972
2973         for (RegionSelection::const_iterator i = rs.begin(); i != rs.end(); ++i) {
2974                 align_region_internal ((*i)->region(), point, position);
2975         }
2976
2977         commit_reversible_command ();
2978 }
2979
2980 void
2981 Editor::align_region (boost::shared_ptr<Region> region, RegionPoint point, nframes_t position)
2982 {
2983         begin_reversible_command (_("align region"));
2984         align_region_internal (region, point, position);
2985         commit_reversible_command ();
2986 }
2987
2988 void
2989 Editor::align_region_internal (boost::shared_ptr<Region> region, RegionPoint point, nframes_t position)
2990 {
2991         XMLNode &before = region->playlist()->get_state();
2992
2993         switch (point) {
2994         case SyncPoint:
2995                 region->set_position (region->adjust_to_sync (position), this);
2996                 break;
2997
2998         case End:
2999                 if (position > region->length()) {
3000                         region->set_position (position - region->length(), this);
3001                 }
3002                 break;
3003
3004         case Start:
3005                 region->set_position (position, this);
3006                 break;
3007         }
3008
3009         XMLNode &after = region->playlist()->get_state();
3010         session->add_command(new MementoCommand<Playlist>(*(region->playlist()), &before, &after));
3011 }
3012
3013 void
3014 Editor::trim_region_to_loop ()
3015 {
3016         Location* loc = session->locations()->auto_loop_location();
3017         if (!loc) {
3018                 return;
3019         }
3020         trim_region_to_location (*loc, _("trim to loop"));
3021 }
3022
3023 void
3024 Editor::trim_region_to_punch ()
3025 {
3026         Location* loc = session->locations()->auto_punch_location();
3027         if (!loc) {
3028                 return;
3029         }
3030         trim_region_to_location (*loc, _("trim to punch"));
3031 }
3032
3033 void
3034 Editor::trim_region_to_location (const Location& loc, const char* str)
3035 {
3036         ensure_entered_region_selected ();
3037
3038         RegionSelection& rs (get_regions_for_action ());
3039
3040         begin_reversible_command (str);
3041
3042         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3043                 AudioRegionView* arv = dynamic_cast<AudioRegionView*> (*x);
3044
3045                 if (!arv) {
3046                         continue;
3047                 }
3048
3049                 /* require region to span proposed trim */
3050
3051                 switch (arv->region()->coverage (loc.start(), loc.end())) {
3052                 case OverlapInternal:
3053                         break;
3054                 default:
3055                         continue;
3056                 }
3057
3058                 AudioTimeAxisView* atav = dynamic_cast<AudioTimeAxisView*> (&arv->get_time_axis_view());
3059
3060                 if (!atav) {
3061                         return;
3062                 }
3063
3064                 float speed = 1.0;
3065                 nframes_t start;
3066                 nframes_t end;
3067
3068                 if (atav->get_diskstream() != 0) {
3069                         speed = atav->get_diskstream()->speed();
3070                 }
3071
3072                 start = session_frame_to_track_frame (loc.start(), speed);
3073                 end = session_frame_to_track_frame (loc.end(), speed);
3074
3075                 XMLNode &before = arv->region()->playlist()->get_state();
3076                 arv->region()->trim_to (start, (end - start), this);
3077                 XMLNode &after = arv->region()->playlist()->get_state();
3078                 session->add_command(new MementoCommand<Playlist>(*(arv->region()->playlist()), &before, &after));
3079         }
3080
3081         commit_reversible_command ();
3082 }
3083
3084 void
3085 Editor::trim_region_to_edit_point ()
3086 {
3087         RegionSelection& rs (get_regions_for_action ());
3088         nframes64_t where = get_preferred_edit_position();
3089
3090         begin_reversible_command (_("trim region start to edit point"));
3091
3092         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3093                 AudioRegionView* arv = dynamic_cast<AudioRegionView*> (*x);
3094
3095                 if (!arv) {
3096                         continue;
3097                 }
3098
3099                 /* require region to cover trim */
3100
3101                 if (!arv->region()->covers (where)) {
3102                         continue;
3103                 }
3104
3105                 AudioTimeAxisView* atav = dynamic_cast<AudioTimeAxisView*> (&arv->get_time_axis_view());
3106
3107                 if (!atav) {
3108                         return;
3109                 }
3110
3111                 float speed = 1.0;
3112
3113                 if (atav->get_diskstream() != 0) {
3114                         speed = atav->get_diskstream()->speed();
3115                 }
3116
3117                 XMLNode &before = arv->region()->playlist()->get_state();
3118                 arv->region()->trim_end( session_frame_to_track_frame(where, speed), this);
3119                 XMLNode &after = arv->region()->playlist()->get_state();
3120                 session->add_command(new MementoCommand<Playlist>(*(arv->region()->playlist()), &before, &after));
3121         }
3122
3123         commit_reversible_command ();
3124 }
3125
3126 void
3127 Editor::trim_region_from_edit_point ()
3128 {
3129         RegionSelection& rs (get_regions_for_action ());
3130         nframes64_t where = get_preferred_edit_position();
3131
3132         begin_reversible_command (_("trim region end to edit point"));
3133
3134         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
3135                 AudioRegionView* arv = dynamic_cast<AudioRegionView*> (*x);
3136
3137                 if (!arv) {
3138                         continue;
3139                 }
3140
3141                 /* require region to cover trim */
3142
3143                 if (!arv->region()->covers (where)) {
3144                         continue;
3145                 }
3146
3147                 AudioTimeAxisView* atav = dynamic_cast<AudioTimeAxisView*> (&arv->get_time_axis_view());
3148
3149                 if (!atav) {
3150                         return;
3151                 }
3152
3153                 float speed = 1.0;
3154
3155                 if (atav->get_diskstream() != 0) {
3156                         speed = atav->get_diskstream()->speed();
3157                 }
3158
3159                 XMLNode &before = arv->region()->playlist()->get_state();
3160                 arv->region()->trim_front ( session_frame_to_track_frame(where, speed), this);
3161                 XMLNode &after = arv->region()->playlist()->get_state();
3162                 session->add_command(new MementoCommand<Playlist>(*(arv->region()->playlist()), &before, &after));
3163         }
3164
3165         commit_reversible_command ();
3166 }
3167
3168 void
3169 Editor::unfreeze_route ()
3170 {
3171         if (clicked_audio_trackview == 0 || !clicked_audio_trackview->is_audio_track()) {
3172                 return;
3173         }
3174
3175         clicked_audio_trackview->audio_track()->unfreeze ();
3176 }
3177
3178 void*
3179 Editor::_freeze_thread (void* arg)
3180 {
3181         PBD::ThreadCreated (pthread_self(), X_("Freeze"));
3182         return static_cast<Editor*>(arg)->freeze_thread ();
3183 }
3184
3185 void*
3186 Editor::freeze_thread ()
3187 {
3188         clicked_audio_trackview->audio_track()->freeze (*current_interthread_info);
3189         return 0;
3190 }
3191
3192 gint
3193 Editor::freeze_progress_timeout (void *arg)
3194 {
3195         interthread_progress_bar.set_fraction (current_interthread_info->progress/100);
3196         return !(current_interthread_info->done || current_interthread_info->cancel);
3197 }
3198
3199 void
3200 Editor::freeze_route ()
3201 {
3202         if (clicked_audio_trackview == 0 || !clicked_audio_trackview->is_audio_track()) {
3203                 return;
3204         }
3205
3206         InterThreadInfo itt;
3207
3208         if (interthread_progress_window == 0) {
3209                 build_interthread_progress_window ();
3210         }
3211
3212         WindowTitle title(Glib::get_application_name());
3213         title += _("Freeze");
3214         interthread_progress_window->set_title (title.get_string());
3215         interthread_progress_window->set_position (Gtk::WIN_POS_MOUSE);
3216         interthread_progress_window->show_all ();
3217         interthread_progress_bar.set_fraction (0.0f);
3218         interthread_progress_label.set_text ("");
3219         interthread_cancel_label.set_text (_("Cancel Freeze"));
3220         current_interthread_info = &itt;
3221
3222         interthread_progress_connection =
3223           Glib::signal_timeout().connect (bind (mem_fun(*this, &Editor::freeze_progress_timeout), (gpointer) 0), 100);
3224
3225         itt.done = false;
3226         itt.cancel = false;
3227         itt.progress = 0.0f;
3228
3229         pthread_attr_t attr;
3230         pthread_attr_init(&attr);
3231         pthread_attr_setstacksize(&attr, 500000);
3232
3233         pthread_create (&itt.thread, &attr, _freeze_thread, this);
3234
3235         pthread_attr_destroy(&attr);
3236
3237         track_canvas.get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
3238
3239         while (!itt.done && !itt.cancel) {
3240                 gtk_main_iteration ();
3241         }
3242
3243         interthread_progress_connection.disconnect ();
3244         interthread_progress_window->hide_all ();
3245         current_interthread_info = 0;
3246         track_canvas.get_window()->set_cursor (*current_canvas_cursor);
3247 }
3248
3249 void
3250 Editor::bounce_range_selection ()
3251 {
3252         if (selection->time.empty()) {
3253                 return;
3254         }
3255
3256         TrackSelection views = selection->tracks;
3257
3258         nframes_t start = selection->time[clicked_selection].start;
3259         nframes_t end = selection->time[clicked_selection].end;
3260         nframes_t cnt = end - start + 1;
3261
3262         begin_reversible_command (_("bounce range"));
3263
3264         for (TrackViewList::iterator i = views.begin(); i != views.end(); ++i) {
3265
3266                 AudioTimeAxisView* atv;
3267
3268                 if ((atv = dynamic_cast<AudioTimeAxisView*> (*i)) == 0) {
3269                         continue;
3270                 }
3271
3272                 boost::shared_ptr<Playlist> playlist;
3273
3274                 if ((playlist = atv->playlist()) == 0) {
3275                         return;
3276                 }
3277
3278                 InterThreadInfo itt;
3279
3280                 itt.done = false;
3281                 itt.cancel = false;
3282                 itt.progress = false;
3283
3284                 XMLNode &before = playlist->get_state();
3285                 atv->audio_track()->bounce_range (start, cnt, itt);
3286                 XMLNode &after = playlist->get_state();
3287                 session->add_command (new MementoCommand<Playlist> (*playlist, &before, &after));
3288         }
3289
3290         commit_reversible_command ();
3291 }
3292
3293 void
3294 Editor::cut ()
3295 {
3296         cut_copy (Cut);
3297 }
3298
3299 void
3300 Editor::copy ()
3301 {
3302         cut_copy (Copy);
3303 }
3304
3305 void
3306 Editor::cut_copy (CutCopyOp op)
3307 {
3308         /* only cancel selection if cut/copy is successful.*/
3309
3310         string opname;
3311
3312         switch (op) {
3313         case Cut:
3314                 opname = _("cut");
3315                 break;
3316         case Copy:
3317                 opname = _("copy");
3318                 break;
3319         case Clear:
3320                 opname = _("clear");
3321                 break;
3322         }
3323
3324         cut_buffer->clear ();
3325
3326         if (entered_marker) {
3327
3328                 /* cut/delete op while pointing at a marker */
3329
3330                 bool ignored;
3331                 Location* loc = find_location_from_marker (entered_marker, ignored);
3332
3333                 if (session && loc) {
3334                         Glib::signal_idle().connect (bind (mem_fun(*this, &Editor::really_remove_marker), loc));
3335                 }
3336
3337                 return;
3338         }
3339
3340         switch (current_mouse_mode()) {
3341         case MouseObject:
3342                 cerr << "cutting in object mode\n";
3343                 if (!selection->regions.empty() || !selection->points.empty()) {
3344
3345                         begin_reversible_command (opname + _(" objects"));
3346
3347                         if (!selection->regions.empty()) {
3348                                 cerr << "have regions to cut" << endl;
3349                                 cut_copy_regions (op);
3350
3351                                 if (op == Cut) {
3352                                         selection->clear_regions ();
3353                                 }
3354                         }
3355
3356                         if (!selection->points.empty()) {
3357                                 cut_copy_points (op);
3358
3359                                 if (op == Cut) {
3360                                         selection->clear_points ();
3361                                 }
3362                         }
3363
3364                         commit_reversible_command ();
3365                         break; // terminate case statement here
3366                 }
3367                 cerr << "nope, now cutting time range" << endl;
3368                 if (!selection->time.empty()) {
3369                         /* don't cause suprises */
3370                         break;
3371                 }
3372                 // fall thru if there was nothing selected
3373
3374         case MouseRange:
3375                 if (selection->time.empty()) {
3376                         nframes64_t start, end;
3377                         cerr << "no time selection, get edit op range" << endl;
3378                         if (!get_edit_op_range (start, end)) {
3379                                 cerr << "no edit op range" << endl;
3380                                 return;
3381                         }
3382                         selection->set ((TimeAxisView*) 0, start, end);
3383                 }
3384
3385                 begin_reversible_command (opname + _(" range"));
3386                 cut_copy_ranges (op);
3387                 commit_reversible_command ();
3388
3389                 if (op == Cut) {
3390                         selection->clear_time ();
3391                 }
3392
3393                 break;
3394
3395         default:
3396                 break;
3397         }
3398 }
3399
3400 void
3401 Editor::cut_copy_points (CutCopyOp op)
3402 {
3403         for (PointSelection::iterator i = selection->points.begin(); i != selection->points.end(); ++i) {
3404
3405                 AutomationTimeAxisView* atv = dynamic_cast<AutomationTimeAxisView*>(&(*i).track);
3406
3407                 if (atv) {
3408                         atv->cut_copy_clear_objects (selection->points, op);
3409                 }
3410         }
3411 }
3412
3413 struct PlaylistState {
3414     boost::shared_ptr<Playlist> playlist;
3415     XMLNode*  before;
3416 };
3417
3418 struct lt_playlist {
3419     bool operator () (const PlaylistState& a, const PlaylistState& b) {
3420             return a.playlist < b.playlist;
3421     }
3422 };
3423
3424 struct PlaylistMapping {
3425     TimeAxisView* tv;
3426     boost::shared_ptr<AudioPlaylist> pl;
3427
3428     PlaylistMapping (TimeAxisView* tvp) : tv (tvp) {}
3429 };
3430
3431 void
3432 Editor::cut_copy_regions (CutCopyOp op)
3433 {
3434         /* we can't use a std::map here because the ordering is important, and we can't trivially sort
3435            a map when we want ordered access to both elements. i think.
3436         */
3437
3438         vector<PlaylistMapping> pmap;
3439
3440         nframes_t first_position = max_frames;
3441
3442         set<PlaylistState, lt_playlist> freezelist;
3443         pair<set<PlaylistState, lt_playlist>::iterator,bool> insert_result;
3444
3445         /* get ordering correct before we cut/copy */
3446
3447         selection->regions.sort_by_position_and_track ();
3448
3449         for (RegionSelection::iterator x = selection->regions.begin(); x != selection->regions.end(); ++x) {
3450
3451                 first_position = min ((*x)->region()->position(), first_position);
3452
3453                 if (op == Cut || op == Clear) {
3454                         boost::shared_ptr<AudioPlaylist> pl = boost::dynamic_pointer_cast<AudioPlaylist>((*x)->region()->playlist());
3455
3456                         if (pl) {
3457
3458                                 PlaylistState before;
3459                                 before.playlist = pl;
3460                                 before.before = &pl->get_state();
3461
3462                                 insert_result = freezelist.insert (before);
3463
3464                                 if (insert_result.second) {
3465                                         pl->freeze ();
3466                                 }
3467                         }
3468                 }
3469
3470                 TimeAxisView* tv = &(*x)->get_trackview();
3471                 vector<PlaylistMapping>::iterator z;
3472
3473                 for (z = pmap.begin(); z != pmap.end(); ++z) {
3474                         if ((*z).tv == tv) {
3475                                 break;
3476                         }
3477                 }
3478
3479                 if (z == pmap.end()) {
3480                         pmap.push_back (PlaylistMapping (tv));
3481                 }
3482         }
3483
3484         for (RegionSelection::iterator x = selection->regions.begin(); x != selection->regions.end(); ) {
3485
3486                 boost::shared_ptr<AudioPlaylist> pl = boost::dynamic_pointer_cast<AudioPlaylist>((*x)->region()->playlist());
3487
3488                 if (!pl) {
3489                         /* impossible, but this handles it for the future */
3490                         continue;
3491                 }
3492
3493                 TimeAxisView& tv = (*x)->get_trackview();
3494                 boost::shared_ptr<AudioPlaylist> npl;
3495                 RegionSelection::iterator tmp;
3496
3497                 tmp = x;
3498                 ++tmp;
3499
3500                 vector<PlaylistMapping>::iterator z;
3501
3502                 for (z = pmap.begin(); z != pmap.end(); ++z) {
3503                         if ((*z).tv == &tv) {
3504                                 break;
3505                         }
3506                 }
3507
3508                 assert (z != pmap.end());
3509
3510                 if (!(*z).pl) {
3511                         npl = boost::dynamic_pointer_cast<AudioPlaylist> (PlaylistFactory::create (*session, "cutlist", true));
3512                         npl->freeze();
3513                         (*z).pl = npl;
3514                 } else {
3515                         npl = (*z).pl;
3516                 }
3517
3518                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>((*x)->region());
3519                 boost::shared_ptr<Region> _xx;
3520
3521                 switch (op) {
3522                 case Cut:
3523                         if (!ar) break;
3524
3525                         _xx = RegionFactory::create ((*x)->region());
3526                         npl->add_region (_xx, (*x)->region()->position() - first_position);
3527                         pl->remove_region (((*x)->region()));
3528                         break;
3529
3530                 case Copy:
3531                         if (!ar) break;
3532
3533                         /* copy region before adding, so we're not putting same object into two different playlists */
3534                         npl->add_region (RegionFactory::create ((*x)->region()), (*x)->region()->position() - first_position);
3535                         break;
3536
3537                 case Clear:
3538                         pl->remove_region (((*x)->region()));
3539                         break;
3540                 }
3541
3542                 x = tmp;
3543         }
3544
3545         list<boost::shared_ptr<Playlist> > foo;
3546
3547         /* the pmap is in the same order as the tracks in which selected regions occured */
3548
3549         for (vector<PlaylistMapping>::iterator i = pmap.begin(); i != pmap.end(); ++i) {
3550                 (*i).pl->thaw();
3551                 foo.push_back ((*i).pl);
3552         }
3553
3554
3555         if (!foo.empty()) {
3556                 cut_buffer->set (foo);
3557         }
3558
3559         for (set<PlaylistState, lt_playlist>::iterator pl = freezelist.begin(); pl != freezelist.end(); ++pl) {
3560                 (*pl).playlist->thaw ();
3561                 session->add_command (new MementoCommand<Playlist>(*(*pl).playlist, (*pl).before, &(*pl).playlist->get_state()));
3562         }
3563 }
3564
3565 void
3566 Editor::cut_copy_ranges (CutCopyOp op)
3567 {
3568         TrackSelection* ts;
3569
3570         if (selection->tracks.empty()) {
3571                 ts = &track_views;
3572         } else {
3573                 ts = &selection->tracks;
3574         }
3575
3576         for (TrackSelection::iterator i = ts->begin(); i != ts->end(); ++i) {
3577                 (*i)->cut_copy_clear (*selection, op);
3578         }
3579 }
3580
3581 void
3582 Editor::paste (float times)
3583 {
3584         paste_internal (get_preferred_edit_position(), times);
3585 }
3586
3587 void
3588 Editor::mouse_paste ()
3589 {
3590         nframes64_t where;
3591         bool ignored;
3592
3593         if (!mouse_frame (where, ignored)) {
3594                 return;
3595         }
3596
3597         snap_to (where);
3598         paste_internal (where, 1);
3599 }
3600
3601 void
3602 Editor::paste_internal (nframes_t position, float times)
3603 {
3604         bool commit = false;
3605
3606         if (cut_buffer->empty()) {
3607                 return;
3608         }
3609
3610         if (position == max_frames) {
3611                 position = get_preferred_edit_position();
3612         }
3613
3614         begin_reversible_command (_("paste"));
3615
3616         TrackSelection ts;
3617         TrackSelection::iterator i;
3618         size_t nth;
3619
3620         /* get everything in the correct order */
3621
3622
3623         if (!selection->tracks.empty()) {
3624                 sort_track_selection ();
3625                 ts = selection->tracks;
3626         } else if (entered_track) {
3627                 ts.push_back (entered_track);
3628         }
3629
3630         for (nth = 0, i = ts.begin(); i != ts.end(); ++i, ++nth) {
3631
3632                 /* undo/redo is handled by individual tracks */
3633
3634                 if ((*i)->paste (position, times, *cut_buffer, nth)) {
3635                         commit = true;
3636                 }
3637         }
3638
3639         if (commit) {
3640                 commit_reversible_command ();
3641         }
3642 }
3643
3644 void
3645 Editor::paste_named_selection (float times)
3646 {
3647         TrackSelection::iterator t;
3648
3649         Glib::RefPtr<TreeSelection> selected = named_selection_display.get_selection();
3650
3651         if (selected->count_selected_rows() != 1 || selection->tracks.empty()) {
3652                 return;
3653         }
3654
3655         TreeModel::iterator i = selected->get_selected();
3656         NamedSelection* ns = (*i)[named_selection_columns.selection];
3657
3658         list<boost::shared_ptr<Playlist> >::iterator chunk;
3659         list<boost::shared_ptr<Playlist> >::iterator tmp;
3660
3661         chunk = ns->playlists.begin();
3662
3663         begin_reversible_command (_("paste chunk"));
3664
3665         sort_track_selection ();
3666
3667         for (t = selection->tracks.begin(); t != selection->tracks.end(); ++t) {
3668
3669                 AudioTimeAxisView* atv;
3670                 boost::shared_ptr<Playlist> pl;
3671                 boost::shared_ptr<AudioPlaylist> apl;
3672
3673                 if ((atv = dynamic_cast<AudioTimeAxisView*> (*t)) == 0) {
3674                         continue;
3675                 }
3676
3677                 if ((pl = atv->playlist()) == 0) {
3678                         continue;
3679                 }
3680
3681                 if ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) == 0) {
3682                         continue;
3683                 }
3684
3685                 tmp = chunk;
3686                 ++tmp;
3687
3688                 XMLNode &before = apl->get_state();
3689                 apl->paste (*chunk, get_preferred_edit_position(), times);
3690                 session->add_command(new MementoCommand<AudioPlaylist>(*apl, &before, &apl->get_state()));
3691
3692                 if (tmp != ns->playlists.end()) {
3693                         chunk = tmp;
3694                 }
3695         }
3696
3697         commit_reversible_command();
3698 }
3699
3700 void
3701 Editor::duplicate_some_regions (RegionSelection& regions, float times)
3702 {
3703         boost::shared_ptr<Playlist> playlist;
3704         RegionSelection sel = regions; // clear (below) may  clear the argument list if its the current region selection
3705         RegionSelection foo;
3706
3707         begin_reversible_command (_("duplicate region"));
3708
3709         selection->clear_regions ();
3710
3711         for (RegionSelection::iterator i = sel.begin(); i != sel.end(); ++i) {
3712
3713                 boost::shared_ptr<Region> r ((*i)->region());
3714
3715                 TimeAxisView& tv = (*i)->get_time_axis_view();
3716                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (&tv);
3717
3718                 latest_regionviews.clear ();
3719                 sigc::connection c = atv->view()->RegionViewAdded.connect (mem_fun(*this, &Editor::collect_new_region_view));
3720
3721                 playlist = (*i)->region()->playlist();
3722                 XMLNode &before = playlist->get_state();
3723                 playlist->duplicate (r, r->last_frame() + 1, times);
3724                 session->add_command(new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
3725
3726                 c.disconnect ();
3727
3728                 foo.insert (foo.end(), latest_regionviews.begin(), latest_regionviews.end());
3729         }
3730
3731         commit_reversible_command ();
3732
3733         if (!foo.empty()) {
3734                 selection->set (foo);
3735         }
3736 }
3737
3738 void
3739 Editor::duplicate_selection (float times)
3740 {
3741         if (selection->time.empty() || selection->tracks.empty()) {
3742                 return;
3743         }
3744
3745         boost::shared_ptr<Playlist> playlist;
3746         vector<boost::shared_ptr<AudioRegion> > new_regions;
3747         vector<boost::shared_ptr<AudioRegion> >::iterator ri;
3748
3749         create_region_from_selection (new_regions);
3750
3751         if (new_regions.empty()) {
3752                 return;
3753         }
3754
3755         begin_reversible_command (_("duplicate selection"));
3756
3757         ri = new_regions.begin();
3758
3759         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3760                 if ((playlist = (*i)->playlist()) == 0) {
3761                         continue;
3762                 }
3763                 XMLNode &before = playlist->get_state();
3764                 playlist->duplicate (*ri, selection->time[clicked_selection].end, times);
3765                 XMLNode &after = playlist->get_state();
3766                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &after));
3767
3768                 ++ri;
3769                 if (ri == new_regions.end()) {
3770                         --ri;
3771                 }
3772         }
3773
3774         commit_reversible_command ();
3775 }
3776
3777 void
3778 Editor::reset_point_selection ()
3779 {
3780         /* reset all selected points to the relevant default value */
3781
3782         for (PointSelection::iterator i = selection->points.begin(); i != selection->points.end(); ++i) {
3783
3784                 AutomationTimeAxisView* atv = dynamic_cast<AutomationTimeAxisView*>(&(*i).track);
3785
3786                 if (atv) {
3787                         atv->reset_objects (selection->points);
3788                 }
3789         }
3790 }
3791
3792 void
3793 Editor::center_playhead ()
3794 {
3795         float page = canvas_width * frames_per_unit;
3796         center_screen_internal (playhead_cursor->current_frame, page);
3797 }
3798
3799 void
3800 Editor::center_edit_point ()
3801 {
3802         float page = canvas_width * frames_per_unit;
3803         center_screen_internal (get_preferred_edit_position(), page);
3804 }
3805
3806 void
3807 Editor::clear_playlist (boost::shared_ptr<Playlist> playlist)
3808 {
3809         begin_reversible_command (_("clear playlist"));
3810         XMLNode &before = playlist->get_state();
3811         playlist->clear ();
3812         XMLNode &after = playlist->get_state();
3813         session->add_command (new MementoCommand<Playlist>(*playlist.get(), &before, &after));
3814         commit_reversible_command ();
3815 }
3816
3817 void
3818 Editor::nudge_track (bool use_edit, bool forwards)
3819 {
3820         boost::shared_ptr<Playlist> playlist;
3821         nframes_t distance;
3822         nframes_t next_distance;
3823         nframes_t start;
3824
3825         if (use_edit) {
3826                 start = get_preferred_edit_position();
3827         } else {
3828                 start = 0;
3829         }
3830
3831         if ((distance = get_nudge_distance (start, next_distance)) == 0) {
3832                 return;
3833         }
3834
3835         if (selection->tracks.empty()) {
3836                 return;
3837         }
3838
3839         begin_reversible_command (_("nudge track"));
3840
3841         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3842
3843                 if ((playlist = (*i)->playlist()) == 0) {
3844                         continue;
3845                 }
3846
3847                 XMLNode &before = playlist->get_state();
3848                 playlist->nudge_after (start, distance, forwards);
3849                 XMLNode &after = playlist->get_state();
3850                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &after));
3851         }
3852
3853         commit_reversible_command ();
3854 }
3855
3856 void
3857 Editor::remove_last_capture ()
3858 {
3859         vector<string> choices;
3860         string prompt;
3861
3862         if (!session) {
3863                 return;
3864         }
3865
3866         if (Config->get_verify_remove_last_capture()) {
3867                 prompt  = _("Do you really want to destroy the last capture?"
3868                             "\n(This is destructive and cannot be undone)");
3869
3870                 choices.push_back (_("No, do nothing."));
3871                 choices.push_back (_("Yes, destroy it."));
3872
3873                 Gtkmm2ext::Choice prompter (prompt, choices);
3874
3875                 if (prompter.run () == 1) {
3876                         session->remove_last_capture ();
3877                 }
3878
3879         } else {
3880                 session->remove_last_capture();
3881         }
3882 }
3883
3884 void
3885 Editor::normalize_region ()
3886 {
3887         if (!session) {
3888                 return;
3889         }
3890
3891         if (selection->regions.empty()) {
3892                 return;
3893         }
3894
3895         begin_reversible_command (_("normalize"));
3896
3897         track_canvas.get_window()->set_cursor (*wait_cursor);
3898         gdk_flush ();
3899
3900         for (RegionSelection::iterator r = selection->regions.begin(); r != selection->regions.end(); ++r) {
3901                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
3902                 if (!arv)
3903                         continue;
3904                 XMLNode &before = arv->region()->get_state();
3905                 arv->audio_region()->normalize_to (0.0f);
3906                 session->add_command (new MementoCommand<Region>(*(arv->region().get()), &before, &arv->region()->get_state()));
3907         }
3908
3909         commit_reversible_command ();
3910         track_canvas.get_window()->set_cursor (*current_canvas_cursor);
3911 }
3912
3913
3914 void
3915 Editor::denormalize_region ()
3916 {
3917         if (!session) {
3918                 return;
3919         }
3920
3921         if (selection->regions.empty()) {
3922                 return;
3923         }
3924
3925         begin_reversible_command ("denormalize");
3926
3927         for (RegionSelection::iterator r = selection->regions.begin(); r != selection->regions.end(); ++r) {
3928                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
3929                 if (!arv)
3930                         continue;
3931                 XMLNode &before = arv->region()->get_state();
3932                 arv->audio_region()->set_scale_amplitude (1.0f);
3933                 session->add_command (new MementoCommand<Region>(*(arv->region().get()), &before, &arv->region()->get_state()));
3934         }
3935
3936         commit_reversible_command ();
3937 }
3938
3939
3940 void
3941 Editor::reverse_region ()
3942 {
3943         if (!session) {
3944                 return;
3945         }
3946
3947         Reverse rev (*session);
3948         apply_filter (rev, _("reverse regions"));
3949 }
3950
3951 void
3952 Editor::apply_filter (AudioFilter& filter, string command)
3953 {
3954         if (selection->regions.empty()) {
3955                 return;
3956         }
3957
3958         begin_reversible_command (command);
3959
3960         track_canvas.get_window()->set_cursor (*wait_cursor);
3961         gdk_flush ();
3962
3963         for (RegionSelection::iterator r = selection->regions.begin(); r != selection->regions.end(); ) {
3964                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*r);
3965                 if (!arv)
3966                         continue;
3967
3968                 boost::shared_ptr<Playlist> playlist = arv->region()->playlist();
3969
3970                 RegionSelection::iterator tmp;
3971
3972                 tmp = r;
3973                 ++tmp;
3974
3975                 if (arv->audio_region()->apply (filter) == 0) {
3976
3977                         XMLNode &before = playlist->get_state();
3978                         playlist->replace_region (arv->region(), filter.results.front(), arv->region()->position());
3979                         XMLNode &after = playlist->get_state();
3980                         session->add_command(new MementoCommand<Playlist>(*playlist, &before, &after));
3981                 } else {
3982                         goto out;
3983                 }
3984
3985                 r = tmp;
3986         }
3987
3988         commit_reversible_command ();
3989         selection->regions.clear ();
3990
3991   out:
3992         track_canvas.get_window()->set_cursor (*current_canvas_cursor);
3993 }
3994
3995 void
3996 Editor::region_selection_op (void (Region::*pmf)(void))
3997 {
3998         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
3999                 Region* region = (*i)->region().get();
4000                 (region->*pmf)();
4001         }
4002 }
4003
4004
4005 void
4006 Editor::region_selection_op (void (Region::*pmf)(void*), void *arg)
4007 {
4008         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4009                 Region* region = (*i)->region().get();
4010                 (region->*pmf)(arg);
4011         }
4012 }
4013
4014 void
4015 Editor::region_selection_op (void (Region::*pmf)(bool), bool yn)
4016 {
4017         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4018                 Region* region = (*i)->region().get();
4019                 (region->*pmf)(yn);
4020         }
4021 }
4022
4023 void
4024 Editor::external_edit_region ()
4025 {
4026         if (!clicked_regionview) {
4027                 return;
4028         }
4029
4030         /* more to come */
4031 }
4032
4033 void
4034 Editor::brush (nframes_t pos)
4035 {
4036         RegionSelection sel;
4037         snap_to (pos);
4038
4039         if (selection->regions.empty()) {
4040                 /* XXX get selection from region list */
4041         } else {
4042                 sel = selection->regions;
4043         }
4044
4045         if (sel.empty()) {
4046                 return;
4047         }
4048
4049         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4050                 mouse_brush_insert_region ((*i), pos);
4051         }
4052 }
4053
4054 void
4055 Editor::reset_region_gain_envelopes ()
4056 {
4057         if (!session || selection->regions.empty()) {
4058                 return;
4059         }
4060
4061         session->begin_reversible_command (_("reset region gain"));
4062
4063         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4064                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4065                 if (arv) {
4066                         AutomationList& alist (arv->audio_region()->envelope());
4067                         XMLNode& before (alist.get_state());
4068
4069                         arv->audio_region()->set_default_envelope ();
4070                         session->add_command (new MementoCommand<AutomationList>(arv->audio_region()->envelope(), &before, &alist.get_state()));
4071                 }
4072         }
4073
4074         session->commit_reversible_command ();
4075 }
4076
4077 void
4078 Editor::toggle_gain_envelope_visibility ()
4079 {
4080         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4081                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4082                 if (arv) {
4083                         bool x = region_envelope_visible_item->get_active();
4084                         if (x != arv->envelope_visible()) {
4085                                 arv->set_envelope_visible (x);
4086                         }
4087                 }
4088         }
4089 }
4090
4091 void
4092 Editor::toggle_gain_envelope_active ()
4093 {
4094         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4095                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4096                 if (arv) {
4097                         bool x = region_envelope_active_item->get_active();
4098                         if (x != arv->audio_region()->envelope_active()) {
4099                                 arv->audio_region()->set_envelope_active (x);
4100                         }
4101                 }
4102         }
4103 }
4104
4105 void
4106 Editor::toggle_region_lock ()
4107 {
4108         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4109                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4110                 if (arv) {
4111                         bool x = region_lock_item->get_active();
4112                         if (x != arv->audio_region()->locked()) {
4113                                 arv->audio_region()->set_locked (x);
4114                         }
4115                 }
4116         }
4117 }
4118
4119 void
4120 Editor::toggle_region_mute ()
4121 {
4122         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4123                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4124                 if (arv) {
4125                         bool x = region_mute_item->get_active();
4126                         if (x != arv->audio_region()->muted()) {
4127                                 arv->audio_region()->set_muted (x);
4128                         }
4129                 }
4130         }
4131 }
4132
4133 void
4134 Editor::toggle_region_opaque ()
4135 {
4136         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4137                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
4138                 if (arv) {
4139                         bool x = region_opaque_item->get_active();
4140                         if (x != arv->audio_region()->opaque()) {
4141                                 arv->audio_region()->set_opaque (x);
4142                         }
4143                 }
4144         }
4145 }
4146
4147 void
4148 Editor::set_fade_length (bool in)
4149 {
4150         ensure_entered_region_selected (true);
4151
4152         /* we need a region to measure the offset from the start */
4153
4154         RegionView* rv;
4155
4156         if (entered_regionview) {
4157                 rv = entered_regionview;
4158         } else if (!selection->regions.empty()) {
4159                 rv = selection->regions.front();
4160         } else {
4161                 return;
4162         }
4163
4164         nframes64_t pos = get_preferred_edit_position();
4165         nframes_t len;
4166         char* cmd;
4167
4168         if (in) {
4169                 if (pos <= rv->region()->position()) {
4170                         /* can't do it */
4171                         return;
4172                 }
4173                 len = pos - rv->region()->position();
4174                 cmd = _("set fade in length");
4175         } else {
4176                 if (pos >= rv->region()->last_frame()) {
4177                         /* can't do it */
4178                         return;
4179                 }
4180                 len = rv->region()->last_frame() - pos;
4181                 cmd = _("set fade out length");
4182         }
4183
4184         begin_reversible_command (cmd);
4185
4186         RegionSelection& rs (get_regions_for_action());
4187
4188         for (RegionSelection::iterator x = rs.begin(); x != rs.end(); ++x) {
4189                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
4190
4191                 if (!tmp) {
4192                         return;
4193                 }
4194
4195                 AutomationList& alist = tmp->audio_region()->fade_in();
4196                 XMLNode &before = alist.get_state();
4197
4198                 if (in) {
4199                         tmp->audio_region()->set_fade_in_length (len);
4200                 } else {
4201                         tmp->audio_region()->set_fade_out_length (len);
4202                 }
4203
4204                 XMLNode &after = alist.get_state();
4205                 session->add_command(new MementoCommand<AutomationList>(alist, &before, &after));
4206         }
4207
4208         commit_reversible_command ();
4209 }
4210
4211
4212 void
4213 Editor::toggle_fade_active (bool in)
4214 {
4215         ensure_entered_region_selected (true);
4216
4217         if (selection->regions.empty()) {
4218                 return;
4219         }
4220
4221         const char* cmd = (in ? _("toggle fade in active") : _("toggle fade out active"));
4222         bool have_switch = false;
4223         bool yn;
4224         bool in_command = false;
4225
4226         begin_reversible_command (cmd);
4227
4228         for (RegionSelection::iterator x = selection->regions.begin(); x != selection->regions.end(); ++x) {
4229                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
4230
4231                 if (!tmp) {
4232                         return;
4233                 }
4234
4235                 boost::shared_ptr<AudioRegion> region (tmp->audio_region());
4236
4237                 /* make the behaviour consistent across all regions */
4238
4239                 if (!have_switch) {
4240                         yn = region->fade_in_active();
4241                         have_switch = true;
4242                 }
4243
4244                 XMLNode &before = region->get_state();
4245                 region->set_fade_in_active (!yn);
4246                 XMLNode &after = region->get_state();
4247                 session->add_command(new MementoCommand<AudioRegion>(*region.get(), &before, &after));
4248                 in_command = true;
4249         }
4250
4251         if (in_command) {
4252                 commit_reversible_command ();
4253         }
4254 }
4255
4256 void
4257 Editor::set_fade_in_shape (AudioRegion::FadeShape shape)
4258 {
4259         begin_reversible_command (_("set fade in shape"));
4260
4261         for (RegionSelection::iterator x = selection->regions.begin(); x != selection->regions.end(); ++x) {
4262                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
4263
4264                 if (!tmp) {
4265                         return;
4266                 }
4267
4268                 AutomationList& alist = tmp->audio_region()->fade_in();
4269                 XMLNode &before = alist.get_state();
4270
4271                 tmp->audio_region()->set_fade_in_shape (shape);
4272
4273                 XMLNode &after = alist.get_state();
4274                 session->add_command(new MementoCommand<AutomationList>(alist, &before, &after));
4275         }
4276
4277         commit_reversible_command ();
4278 }
4279
4280 void
4281 Editor::set_fade_out_shape (AudioRegion::FadeShape shape)
4282 {
4283         begin_reversible_command (_("set fade out shape"));
4284
4285         for (RegionSelection::iterator x = selection->regions.begin(); x != selection->regions.end(); ++x) {
4286                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
4287
4288                 if (!tmp) {
4289                         return;
4290                 }
4291
4292                 AutomationList& alist = tmp->audio_region()->fade_out();
4293                 XMLNode &before = alist.get_state();
4294
4295                 tmp->audio_region()->set_fade_out_shape (shape);
4296
4297                 XMLNode &after = alist.get_state();
4298                 session->add_command(new MementoCommand<AutomationList>(alist, &before, &after));
4299         }
4300
4301         commit_reversible_command ();
4302 }
4303
4304 void
4305 Editor::set_fade_in_active (bool yn)
4306 {
4307         begin_reversible_command (_("set fade in active"));
4308
4309         for (RegionSelection::iterator x = selection->regions.begin(); x != selection->regions.end(); ++x) {
4310                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
4311
4312                 if (!tmp) {
4313                         return;
4314                 }
4315
4316
4317                 boost::shared_ptr<AudioRegion> ar (tmp->audio_region());
4318
4319                 XMLNode &before = ar->get_state();
4320
4321                 ar->set_fade_in_active (yn);
4322
4323                 XMLNode &after = ar->get_state();
4324                 session->add_command(new MementoCommand<AudioRegion>(*ar, &before, &after));
4325         }
4326 }
4327
4328 void
4329 Editor::set_fade_out_active (bool yn)
4330 {
4331         begin_reversible_command (_("set fade out active"));
4332
4333         for (RegionSelection::iterator x = selection->regions.begin(); x != selection->regions.end(); ++x) {
4334                 AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*x);
4335
4336                 if (!tmp) {
4337                         return;
4338                 }
4339
4340                 boost::shared_ptr<AudioRegion> ar (tmp->audio_region());
4341
4342                 XMLNode &before = ar->get_state();
4343
4344                 ar->set_fade_out_active (yn);
4345
4346                 XMLNode &after = ar->get_state();
4347                 session->add_command(new MementoCommand<AudioRegion>(*ar, &before, &after));
4348         }
4349 }
4350
4351
4352 /** Update crossfade visibility after its configuration has been changed */
4353 void
4354 Editor::update_xfade_visibility ()
4355 {
4356         _xfade_visibility = Config->get_xfades_visible ();
4357
4358         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4359                 AudioTimeAxisView* v = dynamic_cast<AudioTimeAxisView*>(*i);
4360                 if (v) {
4361                         if (_xfade_visibility) {
4362                                 v->show_all_xfades ();
4363                         } else {
4364                                 v->hide_all_xfades ();
4365                         }
4366                 }
4367         }
4368 }
4369
4370 void
4371 Editor::set_edit_point ()
4372 {
4373         nframes64_t where;
4374         bool ignored;
4375
4376         if (!mouse_frame (where, ignored)) {
4377                 return;
4378         }
4379
4380         snap_to (where);
4381
4382         if (selection->markers.empty()) {
4383
4384                 mouse_add_new_marker (where);
4385
4386         } else {
4387                 bool ignored;
4388
4389                 Location* loc = find_location_from_marker (selection->markers.front(), ignored);
4390
4391                 if (loc) {
4392                         loc->move_to (where);
4393                 }
4394         }
4395 }
4396
4397 void
4398 Editor::set_playhead_cursor ()
4399 {
4400         if (entered_marker) {
4401                 session->request_locate (entered_marker->position(), session->transport_rolling());
4402         } else {
4403                 nframes64_t where;
4404                 bool ignored;
4405
4406                 if (!mouse_frame (where, ignored)) {
4407                         return;
4408                 }
4409
4410                 snap_to (where);
4411
4412                 if (session) {
4413                         session->request_locate (where, session->transport_rolling());
4414                 }
4415         }
4416 }
4417
4418 void
4419 Editor::split ()
4420 {
4421         ensure_entered_region_selected ();
4422
4423         nframes64_t where = get_preferred_edit_position();
4424
4425         if (!selection->regions.empty()) {
4426
4427                 split_regions_at (where, selection->regions);
4428
4429         } else {
4430
4431                 RegionSelection rs;
4432                 rs = get_regions_at (where, selection->tracks);
4433                 split_regions_at (where, rs);
4434         }
4435 }
4436
4437 void
4438 Editor::ensure_entered_track_selected (bool op_really_wants_one_track_if_none_are_selected)
4439 {
4440         if (entered_track && mouse_mode == MouseObject) {
4441                 if (!selection->tracks.empty()) {
4442                         if (!selection->selected (entered_track)) {
4443                                 selection->add (entered_track);
4444                         }
4445                 } else {
4446                         /* there is no selection, but this operation requires/prefers selected objects */
4447
4448                         if (op_really_wants_one_track_if_none_are_selected) {
4449                                 selection->set (entered_track);
4450                         }
4451                 }
4452         }
4453 }
4454
4455 void
4456 Editor::ensure_entered_region_selected (bool op_really_wants_one_region_if_none_are_selected)
4457 {
4458         if (entered_regionview && mouse_mode == MouseObject) {
4459
4460                 /* heuristic:
4461
4462                    - if there is no existing selection, don't change it. the operation will thus apply to "all"
4463
4464                    - if there is an existing selection, but the entered regionview isn't in it, add it. this
4465                        avoids key-mouse ops on unselected regions from interfering with an existing selection,
4466                        but also means that the operation will apply to the pointed-at region.
4467                 */
4468
4469                 if (!selection->regions.empty()) {
4470                         if (find (selection->regions.begin(), selection->regions.end(), entered_regionview) != selection->regions.end()) {
4471                                 selection->add (entered_regionview);
4472                         }
4473                 } else {
4474                         /* there is no selection, but this operation requires/prefers selected objects */
4475
4476                         if (op_really_wants_one_region_if_none_are_selected) {
4477                                 selection->set (entered_regionview, false);
4478                         }
4479                 }
4480         }
4481 }
4482
4483 void
4484 Editor::trim_region_front ()
4485 {
4486         trim_region (true);
4487 }
4488
4489 void
4490 Editor::trim_region_back ()
4491 {
4492         trim_region (false);
4493 }
4494
4495 void
4496 Editor::trim_region (bool front)
4497 {
4498         nframes64_t where = get_preferred_edit_position();
4499         RegionSelection& rs = get_regions_for_action ();
4500
4501         if (rs.empty()) {
4502                 return;
4503         }
4504
4505         begin_reversible_command (front ? _("trim front") : _("trim back"));
4506
4507         for (list<RegionView*>::const_iterator i = rs.by_layer().begin(); i != rs.by_layer().end(); ++i) {
4508                 if (!(*i)->region()->locked()) {
4509                         boost::shared_ptr<Playlist> pl = (*i)->region()->playlist();
4510                         XMLNode &before = pl->get_state();
4511                         if (front) {
4512                                 (*i)->region()->trim_front (where, this);
4513                         } else {
4514                                 (*i)->region()->trim_end (where, this);
4515                         }
4516                         XMLNode &after = pl->get_state();
4517                         session->add_command(new MementoCommand<Playlist>(*pl.get(), &before, &after));
4518                 }
4519         }
4520         commit_reversible_command ();
4521 }
4522
4523 struct EditorOrderRouteSorter {
4524     bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
4525             /* use of ">" forces the correct sort order */
4526             return a->order_key ("editor") < b->order_key ("editor");
4527     }
4528 };
4529
4530 void
4531 Editor::select_next_route()
4532 {
4533         if (selection->tracks.empty()) {
4534                 selection->set (track_views.front());
4535                 return;
4536         }
4537
4538         TimeAxisView* current = selection->tracks.front();
4539
4540         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4541                 if (*i == current) {
4542                         ++i;
4543                         if (i != track_views.end()) {
4544                                 selection->set (*i);
4545                         } else {
4546                                 selection->set (*(track_views.begin()));
4547                         }
4548                         break;
4549                 }
4550         }
4551 }
4552
4553 void
4554 Editor::select_prev_route()
4555 {
4556         if (selection->tracks.empty()) {
4557                 selection->set (track_views.front());
4558                 return;
4559         }
4560
4561         TimeAxisView* current = selection->tracks.front();
4562
4563         for (TrackViewList::reverse_iterator i = track_views.rbegin(); i != track_views.rend(); ++i) {
4564                 if (*i == current) {
4565                         ++i;
4566                         if (i != track_views.rend()) {
4567                                 selection->set (*i);
4568                         } else {
4569                                 selection->set (*(track_views.rbegin()));
4570                         }
4571                         break;
4572                 }
4573         }
4574 }
4575
4576 void
4577 Editor::set_loop_from_selection (bool play)
4578 {
4579         if (session == 0 || selection->time.empty()) {
4580                 return;
4581         }
4582
4583         nframes_t start = selection->time[clicked_selection].start;
4584         nframes_t end = selection->time[clicked_selection].end;
4585
4586         set_loop_range (start, end,  _("set loop range from selection"));
4587
4588         if (play) {
4589                 session->request_play_loop (true);
4590                 session->request_locate (start, true);
4591         }
4592 }
4593
4594 void
4595 Editor::set_loop_from_edit_range (bool play)
4596 {
4597         if (session == 0) {
4598                 return;
4599         }
4600
4601         nframes64_t start;
4602         nframes64_t end;
4603
4604         if (!get_edit_op_range (start, end)) {
4605                 return;
4606         }
4607
4608         set_loop_range (start, end,  _("set loop range from edit range"));
4609
4610         if (play) {
4611                 session->request_play_loop (true);
4612                 session->request_locate (start, true);
4613         }
4614 }
4615
4616 void
4617 Editor::set_loop_from_region (bool play)
4618 {
4619         nframes64_t start = max_frames;
4620         nframes64_t end = 0;
4621
4622         ensure_entered_region_selected (true);
4623
4624         if (selection->regions.empty()) {
4625                 info << _("cannot set loop: no region selected") << endmsg;
4626                 return;
4627         }
4628
4629         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
4630                 if ((*i)->region()->position() < start) {
4631                         start = (*i)->region()->position();
4632                 }
4633                 if ((*i)->region()->last_frame() + 1 > end) {
4634                         end = (*i)->region()->last_frame() + 1;
4635                 }
4636         }
4637
4638         set_loop_range (start, end, _("set loop range from region"));
4639
4640         if (play) {
4641                 session->request_play_loop (true);
4642                 session->request_locate (start, true);
4643         }
4644 }
4645
4646 void
4647 Editor::set_punch_from_selection ()
4648 {
4649         if (session == 0 || selection->time.empty()) {
4650                 return;
4651         }
4652
4653         nframes_t start = selection->time[clicked_selection].start;
4654         nframes_t end = selection->time[clicked_selection].end;
4655
4656         set_punch_range (start, end,  _("set punch range from selection"));
4657 }
4658
4659 void
4660 Editor::set_punch_from_edit_range ()
4661 {
4662         if (session == 0) {
4663                 return;
4664         }
4665
4666         nframes64_t start;
4667         nframes64_t end;
4668
4669         if (!get_edit_op_range (start, end)) {
4670                 return;
4671         }
4672
4673         set_punch_range (start, end,  _("set punch range from edit range"));
4674 }
4675
4676 void
4677 Editor::pitch_shift_regions ()
4678 {
4679         ensure_entered_region_selected (true);
4680
4681         if (selection->regions.empty()) {
4682                 return;
4683         }
4684
4685         pitch_shift (selection->regions, 1.2);
4686 }
4687