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     $Id$
  19 */
  20
  21 #include <unistd.h>
  22
  23 #include <cstdlib>
  24 #include <cmath>
  25 #include <string>
  26 #include <map>
  27
  28 #include <sndfile.h>
  29
  30 #include <pbd/error.h>
  31 #include <pbd/basename.h>
  32 #include <pbd/pthread_utils.h>
  33
  34 #include <gtkmm2ext/utils.h>
  35 #include <gtkmm2ext/choice.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/diskstream.h>
  42 #include <ardour/filesource.h>
  43 #include <ardour/sndfilesource.h>
  44 #include <ardour/utils.h>
  45 #include <ardour/location.h>
  46 #include <ardour/named_selection.h>
  47 #include <ardour/audio_track.h>
  48 #include <ardour/audioplaylist.h>
  49 #include <ardour/region_factory.h>
  50 #include <ardour/reverse.h>
  51
  52 #include "ardour_ui.h"
  53 #include "editor.h"
  54 #include "time_axis_view.h"
  55 #include "audio_time_axis.h"
  56 #include "automation_time_axis.h"
  57 #include "streamview.h"
  58 #include "regionview.h"
  59 #include "rgb_macros.h"
  60 #include "selection_templates.h"
  61 #include "selection.h"
  62 #include "sfdb_ui.h"
  63 #include "editing.h"
  64 #include "gtk-custom-hruler.h"
  65
  66 #include "i18n.h"
  67
  68 using namespace std;
  69 using namespace ARDOUR;
  70 using namespace sigc;
  71 using namespace Gtk;
  72 using namespace Editing;
  73
  74 /***********************************************************************
  75   Editor operations
  76  ***********************************************************************/
  77
  78 void
  79 Editor::undo (uint32_t n)
  80 {
  81         if (session) {
  82                 session->undo (n);
  83         }
  84 }
  85
  86 void
  87 Editor::redo (uint32_t n)
  88 {
  89         if (session) {
  90                 session->redo (n);
  91         }
  92 }
  93
  94 int
  95 Editor::ensure_cursor (jack_nframes_t *pos)
  96 {
  97         *pos = edit_cursor->current_frame;
  98         return 0;
  99 }
 100
 101 void
 102 Editor::split_region ()
 103 {
 104         split_region_at (edit_cursor->current_frame);
 105 }
 106
 107 void
 108 Editor::split_region_at (jack_nframes_t where)
 109 {
 110         split_regions_at (where, selection->audio_regions);
 111 }
 112
 113 void
 114 Editor::split_regions_at (jack_nframes_t where, AudioRegionSelection& regions)
 115 {
 116         begin_reversible_command (_("split"));
 117
 118         snap_to (where);
 119         for (AudioRegionSelection::iterator a = regions.begin(); a != regions.end(); ) {
 120
 121                 AudioRegionSelection::iterator tmp;
 122
 123                 tmp = a;
 124                 ++tmp;
 125
 126                 Playlist* pl = (*a)->region.playlist();
 127
 128                 _new_regionviews_show_envelope = (*a)->envelope_visible();
 129
 130                 if (pl) {
 131                         session->add_undo (pl->get_memento());
 132                         pl->split_region ((*a)->region, where);
 133                         session->add_redo_no_execute (pl->get_memento());
 134                 }
 135
 136                 a = tmp;
 137     }
 138
 139         commit_reversible_command ();
 140         _new_regionviews_show_envelope = false;
 141 }
 142
 143 void
 144 Editor::remove_clicked_region ()
 145 {
 146         if (clicked_audio_trackview == 0 || clicked_regionview == 0) {
 147                 return;
 148         }
 149
 150         Playlist* playlist = clicked_audio_trackview->playlist();
 151
 152         begin_reversible_command (_("remove region"));
 153         session->add_undo (playlist->get_memento());
 154         playlist->remove_region (&clicked_regionview->region);
 155         session->add_redo_no_execute (playlist->get_memento());
 156         commit_reversible_command ();
 157 }
 158
 159 void
 160 Editor::destroy_clicked_region ()
 161 {
 162         int32_t selected = selection->audio_regions.size();
 163
 164         if (!session || clicked_regionview == 0 && selected == 0) {
 165                 return;
 166         }
 167
 168         vector<string> choices;
 169         string prompt;
 170
 171         prompt  = string_compose (_(" This is destructive, will possibly delete audio files\n\
 172 It cannot be undone\n\
 173 Do you really want to destroy %1 ?"),
 174                            (selected > 1 ?
 175                             _("these regions") : _("this region")));
 176
 177         if (selected > 1) {
 178                 choices.push_back (_("Yes, destroy them."));
 179         } else {
 180                 choices.push_back (_("Yes, destroy it."));
 181         }
 182
 183         choices.push_back (_("No, do nothing."));
 184
 185         Gtkmm2ext::Choice prompter (prompt, choices);
 186
 187         prompter.chosen.connect (ptr_fun (Main::quit));
 188         prompter.show_all ();
 189
 190         Main::run ();
 191
 192         if (prompter.get_choice() != 0) {
 193                 return;
 194         }
 195
 196         if (selected > 0) {
 197                 list<Region*> r;
 198
 199                 for (AudioRegionSelection::iterator i = selection->audio_regions.begin(); i != selection->audio_regions.end(); ++i) {
 200                         r.push_back (&(*i)->region);
 201                 }
 202
 203                 session->destroy_regions (r);
 204
 205         } else if (clicked_regionview) {
 206                 session->destroy_region (&clicked_regionview->region);
 207         }
 208 }
 209
 210 AudioRegion *
 211 Editor::select_region_for_operation (int dir, TimeAxisView **tv)
 212 {
 213         AudioRegionView* rv;
 214         AudioRegion *region;
 215         jack_nframes_t start = 0;
 216
 217         if (selection->time.start () == selection->time.end_frame ()) {
 218
 219                 /* no current selection-> is there a selected regionview? */
 220
 221                 if (selection->audio_regions.empty()) {
 222                         return 0;
 223                 }
 224
 225         }
 226
 227         region = 0;
 228
 229         if (!selection->audio_regions.empty()) {
 230
 231                 rv = *(selection->audio_regions.begin());
 232                 (*tv) = &rv->get_time_axis_view();
 233                 region = &rv->region;
 234
 235         } else if (!selection->tracks.empty()) {
 236
 237                 (*tv) = selection->tracks.front();
 238
 239                 AudioTimeAxisView* atv;
 240
 241                 if ((atv = dynamic_cast<AudioTimeAxisView*> (*tv)) != 0) {
 242                         Playlist *pl;
 243
 244                         if ((pl = atv->playlist()) == 0) {
 245                                 return 0;
 246                         }
 247
 248                         region = dynamic_cast<AudioRegion*> (pl->top_region_at (start));
 249                 }
 250         }
 251
 252         return region;
 253 }
 254
 255 void
 256 Editor::extend_selection_to_end_of_region (bool next)
 257 {
 258         TimeAxisView *tv;
 259         Region *region;
 260         jack_nframes_t start;
 261
 262         if ((region = select_region_for_operation (next ? 1 : 0, &tv)) == 0) {
 263                 return;
 264         }
 265
 266         if (region && selection->time.start () == selection->time.end_frame ()) {
 267                 start = region->position();
 268         } else {
 269                 start = selection->time.start ();
 270         }
 271
 272         /* Try to leave the selection with the same route if possible */
 273
 274         if ((tv = selection->time.track) == 0) {
 275                 return;
 276         }
 277
 278         begin_reversible_command (_("extend selection"));
 279         selection->set (tv, start, region->position() + region->length());
 280         commit_reversible_command ();
 281 }
 282
 283 void
 284 Editor::extend_selection_to_start_of_region (bool previous)
 285 {
 286         TimeAxisView *tv;
 287         Region *region;
 288         jack_nframes_t end;
 289
 290         if ((region = select_region_for_operation (previous ? -1 : 0, &tv)) == 0) {
 291                 return;
 292         }
 293
 294         if (region && selection->time.start () == selection->time.end_frame ()) {
 295                 end = region->position() + region->length();
 296         } else {
 297                 end = selection->time.end_frame ();
 298         }
 299
 300         /* Try to leave the selection with the same route if possible */
 301
 302         if ((tv = selection->time.track) == 0) {
 303                 return;
 304         }
 305
 306         begin_reversible_command (_("extend selection"));
 307         selection->set (tv, region->position(), end);
 308         commit_reversible_command ();
 309 }
 310
 311
 312 void
 313 Editor::nudge_forward (bool next)
 314 {
 315         jack_nframes_t distance;
 316         jack_nframes_t next_distance;
 317
 318         if (!session) return;
 319
 320         if (!selection->audio_regions.empty()) {
 321
 322                 begin_reversible_command (_("nudge forward"));
 323
 324                 for (AudioRegionSelection::iterator i = selection->audio_regions.begin(); i != selection->audio_regions.end(); ++i) {
 325                         AudioRegion& r ((*i)->region);
 326
 327                         distance = get_nudge_distance (r.position(), next_distance);
 328
 329                         if (next) {
 330                                 distance = next_distance;
 331                         }
 332
 333                         session->add_undo (r.playlist()->get_memento());
 334                         r.set_position (r.position() + distance, this);
 335                         session->add_redo_no_execute (r.playlist()->get_memento());
 336                 }
 337
 338                 commit_reversible_command ();
 339
 340         } else {
 341                 distance = get_nudge_distance (playhead_cursor->current_frame, next_distance);
 342                 session->request_locate (playhead_cursor->current_frame + distance);
 343         }
 344 }
 345
 346 void
 347 Editor::nudge_backward (bool next)
 348 {
 349         jack_nframes_t distance;
 350         jack_nframes_t next_distance;
 351
 352         if (!session) return;
 353
 354         if (!selection->audio_regions.empty()) {
 355
 356                 begin_reversible_command (_("nudge forward"));
 357
 358                 for (AudioRegionSelection::iterator i = selection->audio_regions.begin(); i != selection->audio_regions.end(); ++i) {
 359                         AudioRegion& r ((*i)->region);
 360
 361                         distance = get_nudge_distance (r.position(), next_distance);
 362
 363                         if (next) {
 364                                 distance = next_distance;
 365                         }
 366
 367                         session->add_undo (r.playlist()->get_memento());
 368
 369                         if (r.position() > distance) {
 370                                 r.set_position (r.position() - distance, this);
 371                         } else {
 372                                 r.set_position (0, this);
 373                         }
 374                         session->add_redo_no_execute (r.playlist()->get_memento());
 375                 }
 376
 377                 commit_reversible_command ();
 378
 379         } else {
 380
 381                 distance = get_nudge_distance (playhead_cursor->current_frame, next_distance);
 382
 383                 if (playhead_cursor->current_frame > distance) {
 384                         session->request_locate (playhead_cursor->current_frame - distance);
 385                 } else {
 386                         session->request_locate (0);
 387                 }
 388         }
 389 }
 390
 391 void
 392 Editor::nudge_forward_capture_offset ()
 393 {
 394         jack_nframes_t distance;
 395
 396         if (!session) return;
 397
 398         if (!selection->audio_regions.empty()) {
 399
 400                 begin_reversible_command (_("nudge forward"));
 401
 402                 distance = session->worst_output_latency();
 403
 404                 for (AudioRegionSelection::iterator i = selection->audio_regions.begin(); i != selection->audio_regions.end(); ++i) {
 405                         AudioRegion& r ((*i)->region);
 406
 407                         session->add_undo (r.playlist()->get_memento());
 408                         r.set_position (r.position() + distance, this);
 409                         session->add_redo_no_execute (r.playlist()->get_memento());
 410                 }
 411
 412                 commit_reversible_command ();
 413
 414         }
 415 }
 416
 417 void
 418 Editor::nudge_backward_capture_offset ()
 419 {
 420         jack_nframes_t distance;
 421
 422         if (!session) return;
 423
 424         if (!selection->audio_regions.empty()) {
 425
 426                 begin_reversible_command (_("nudge forward"));
 427
 428                 distance = session->worst_output_latency();
 429
 430                 for (AudioRegionSelection::iterator i = selection->audio_regions.begin(); i != selection->audio_regions.end(); ++i) {
 431                         AudioRegion& r ((*i)->region);
 432
 433                         session->add_undo (r.playlist()->get_memento());
 434
 435                         if (r.position() > distance) {
 436                                 r.set_position (r.position() - distance, this);
 437                         } else {
 438                                 r.set_position (0, this);
 439                         }
 440                         session->add_redo_no_execute (r.playlist()->get_memento());
 441                 }
 442
 443                 commit_reversible_command ();
 444         }
 445 }
 446
 447 /* DISPLAY MOTION */
 448
 449 void
 450 Editor::move_to_start ()
 451 {
 452         session->request_locate (0);
 453 }
 454
 455 void
 456 Editor::move_to_end ()
 457 {
 458
 459         session->request_locate (session->current_end_frame());
 460 }
 461
 462 void
 463 Editor::build_region_boundary_cache ()
 464 {
 465         jack_nframes_t pos = 0;
 466         RegionPoint point;
 467         Region *r;
 468         TrackViewList tracks;
 469
 470         region_boundary_cache.clear ();
 471
 472         if (session == 0) {
 473                 return;
 474         }
 475
 476         switch (snap_type) {
 477         case SnapToRegionStart:
 478                 point = Start;
 479                 break;
 480         case SnapToRegionEnd:
 481                 point = End;
 482                 break;
 483         case SnapToRegionSync:
 484                 point = SyncPoint;
 485                 break;
 486         case SnapToRegionBoundary:
 487                 point = Start;
 488                 break;
 489         default:
 490                 fatal << string_compose (_("build_region_boundary_cache called with snap_type = %1"), snap_type) << endmsg;
 491                 /*NOTREACHED*/
 492                 return;
 493         }
 494
 495         TimeAxisView *ontrack = 0;
 496
 497         while (pos < session->current_end_frame()) {
 498
 499                 if (!selection->tracks.empty()) {
 500
 501                         if ((r = find_next_region (pos, point, 1, selection->tracks, &ontrack)) == 0) {
 502                                 break;
 503                         }
 504
 505                 } else if (clicked_trackview) {
 506
 507                         TrackViewList t;
 508                         t.push_back (clicked_trackview);
 509
 510                         if ((r = find_next_region (pos, point, 1, t, &ontrack)) == 0) {
 511                                 break;
 512                         }
 513
 514                 } else {
 515
 516                         if ((r = find_next_region (pos, point, 1, track_views, &ontrack)) == 0) {
 517                                 break;
 518                         }
 519                 }
 520
 521                 jack_nframes_t rpos;
 522
 523                 switch (snap_type) {
 524                 case SnapToRegionStart:
 525                         rpos = r->first_frame();
 526                         break;
 527                 case SnapToRegionEnd:
 528                         rpos = r->last_frame();
 529                         break;
 530                 case SnapToRegionSync:
 531                         rpos = r->adjust_to_sync (r->first_frame());
 532                         break;
 533
 534                 case SnapToRegionBoundary:
 535                         rpos = r->last_frame();
 536                         break;
 537                 default:
 538                         break;
 539                 }
 540
 541                 float speed = 1.0f;
 542                 AudioTimeAxisView *atav;
 543
 544                 if ( ontrack != 0 && (atav = dynamic_cast<AudioTimeAxisView*>(ontrack)) != 0 ) {
 545                         if (atav->get_diskstream() != 0) {
 546                                 speed = atav->get_diskstream()->speed();
 547                         }
 548                 }
 549
 550                 rpos = track_frame_to_session_frame(rpos, speed);
 551
 552                 if (region_boundary_cache.empty() || rpos != region_boundary_cache.back()) {
 553                         if (snap_type == SnapToRegionBoundary) {
 554                                 region_boundary_cache.push_back (r->first_frame());
 555                         }
 556                         region_boundary_cache.push_back (rpos);
 557                 }
 558
 559                 pos = rpos + 1;
 560         }
 561 }
 562
 563 Region*
 564 Editor::find_next_region (jack_nframes_t frame, RegionPoint point, int32_t dir, TrackViewList& tracks, TimeAxisView **ontrack)
 565 {
 566         TrackViewList::iterator i;
 567         jack_nframes_t closest = max_frames;
 568         Region* ret = 0;
 569         jack_nframes_t rpos = 0;
 570
 571         float track_speed;
 572         jack_nframes_t track_frame;
 573         AudioTimeAxisView *atav;
 574
 575         for (i = tracks.begin(); i != tracks.end(); ++i) {
 576
 577                 jack_nframes_t distance;
 578                 Region* r;
 579
 580                 track_speed = 1.0f;
 581                 if ( (atav = dynamic_cast<AudioTimeAxisView*>(*i)) != 0 ) {
 582                         if (atav->get_diskstream()!=0)
 583                                 track_speed = atav->get_diskstream()->speed();
 584                 }
 585
 586                 track_frame = session_frame_to_track_frame(frame, track_speed);
 587
 588                 if ((r = (*i)->find_next_region (track_frame, point, dir)) == 0) {
 589                         continue;
 590                 }
 591
 592                 switch (point) {
 593                 case Start:
 594                         rpos = r->first_frame ();
 595                         break;
 596
 597                 case End:
 598                         rpos = r->last_frame ();
 599                         break;
 600
 601                 case SyncPoint:
 602                         rpos = r->adjust_to_sync (r->first_frame());
 603                         break;
 604                 }
 605                 // rpos is a "track frame", converting it to "session frame"
 606                 rpos = track_frame_to_session_frame(rpos, track_speed);
 607
 608                 if (rpos > frame) {
 609                         distance = rpos - frame;
 610                 } else {
 611                         distance = frame - rpos;
 612                 }
 613
 614                 if (distance < closest) {
 615                         closest = distance;
 616                         if (ontrack != 0)
 617                                 *ontrack = (*i);
 618                         ret = r;
 619                 }
 620         }
 621
 622         return ret;
 623 }
 624
 625 void
 626 Editor::cursor_to_region_point (Cursor* cursor, RegionPoint point, int32_t dir)
 627 {
 628         Region* r;
 629         jack_nframes_t pos = cursor->current_frame;
 630
 631         if (!session) {
 632                 return;
 633         }
 634
 635         TimeAxisView *ontrack = 0;
 636
 637         // so we don't find the current region again..
 638         if (dir>0 || pos>0)
 639                 pos+=dir;
 640
 641         if (!selection->tracks.empty()) {
 642
 643                 r = find_next_region (pos, point, dir, selection->tracks, &ontrack);
 644
 645         } else if (clicked_trackview) {
 646
 647                 TrackViewList t;
 648                 t.push_back (clicked_trackview);
 649
 650                 r = find_next_region (pos, point, dir, t, &ontrack);
 651
 652         } else {
 653
 654                 r = find_next_region (pos, point, dir, track_views, &ontrack);
 655         }
 656
 657         if (r == 0) {
 658                 return;
 659         }
 660
 661         switch (point){
 662         case Start:
 663                 pos = r->first_frame ();
 664                 break;
 665
 666         case End:
 667                 pos = r->last_frame ();
 668                 break;
 669
 670         case SyncPoint:
 671                 pos = r->adjust_to_sync (r->first_frame());
 672                 break;
 673         }
 674
 675         float speed = 1.0f;
 676         AudioTimeAxisView *atav;
 677
 678         if ( ontrack != 0 && (atav = dynamic_cast<AudioTimeAxisView*>(ontrack)) != 0 ) {
 679                 if (atav->get_diskstream() != 0) {
 680                         speed = atav->get_diskstream()->speed();
 681                 }
 682         }
 683
 684         pos = track_frame_to_session_frame(pos, speed);
 685
 686         if (cursor == playhead_cursor) {
 687                 session->request_locate (pos);
 688         } else {
 689                 cursor->set_position (pos);
 690         }
 691 }
 692
 693 void
 694 Editor::cursor_to_next_region_point (Cursor* cursor, RegionPoint point)
 695 {
 696         cursor_to_region_point (cursor, point, 1);
 697 }
 698
 699 void
 700 Editor::cursor_to_previous_region_point (Cursor* cursor, RegionPoint point)
 701 {
 702         cursor_to_region_point (cursor, point, -1);
 703 }
 704
 705 void
 706 Editor::cursor_to_selection_start (Cursor *cursor)
 707 {
 708         jack_nframes_t pos = 0;
 709         switch (mouse_mode) {
 710         case MouseObject:
 711                 if (!selection->audio_regions.empty()) {
 712                         pos = selection->audio_regions.start();
 713                 }
 714                 break;
 715
 716         case MouseRange:
 717                 if (!selection->time.empty()) {
 718                         pos = selection->time.start ();
 719                 }
 720                 break;
 721
 722         default:
 723                 return;
 724         }
 725
 726         if (cursor == playhead_cursor) {
 727                 session->request_locate (pos);
 728         } else {
 729                 cursor->set_position (pos);
 730         }
 731 }
 732
 733 void
 734 Editor::cursor_to_selection_end (Cursor *cursor)
 735 {
 736         jack_nframes_t pos = 0;
 737
 738         switch (mouse_mode) {
 739         case MouseObject:
 740                 if (!selection->audio_regions.empty()) {
 741                         pos = selection->audio_regions.end_frame();
 742                 }
 743                 break;
 744
 745         case MouseRange:
 746                 if (!selection->time.empty()) {
 747                         pos = selection->time.end_frame ();
 748                 }
 749                 break;
 750
 751         default:
 752                 return;
 753         }
 754
 755         if (cursor == playhead_cursor) {
 756                 session->request_locate (pos);
 757         } else {
 758                 cursor->set_position (pos);
 759         }
 760 }
 761
 762 void
 763 Editor::playhead_backward ()
 764 {
 765         jack_nframes_t pos;
 766         jack_nframes_t cnt;
 767         float prefix;
 768         bool was_floating;
 769
 770         if (get_prefix (prefix, was_floating)) {
 771                 cnt = 1;
 772         } else {
 773                 if (was_floating) {
 774                         cnt = (jack_nframes_t) floor (prefix * session->frame_rate ());
 775                 } else {
 776                         cnt = (jack_nframes_t) prefix;
 777                 }
 778         }
 779
 780         pos = playhead_cursor->current_frame;
 781
 782         if ((jack_nframes_t) pos < cnt) {
 783                 pos = 0;
 784         } else {
 785                 pos -= cnt;
 786         }
 787
 788         /* XXX this is completely insane. with the current buffering
 789            design, we'll force a complete track buffer flush and
 790            reload, just to move 1 sample !!!
 791         */
 792
 793         session->request_locate (pos);
 794 }
 795
 796 void
 797 Editor::playhead_forward ()
 798 {
 799         jack_nframes_t pos;
 800         jack_nframes_t cnt;
 801         bool was_floating;
 802         float prefix;
 803
 804         if (get_prefix (prefix, was_floating)) {
 805                 cnt = 1;
 806         } else {
 807                 if (was_floating) {
 808                         cnt = (jack_nframes_t) floor (prefix * session->frame_rate ());
 809                 } else {
 810                         cnt = (jack_nframes_t) floor (prefix);
 811                 }
 812         }
 813
 814         pos = playhead_cursor->current_frame;
 815
 816         /* XXX this is completely insane. with the current buffering
 817            design, we'll force a complete track buffer flush and
 818            reload, just to move 1 sample !!!
 819         */
 820
 821         session->request_locate (pos+cnt);
 822 }
 823
 824 void
 825 Editor::cursor_align (bool playhead_to_edit)
 826 {
 827         if (playhead_to_edit) {
 828                 if (session) {
 829                         session->request_locate (edit_cursor->current_frame);
 830                 }
 831         } else {
 832                 edit_cursor->set_position (playhead_cursor->current_frame);
 833         }
 834 }
 835
 836 void
 837 Editor::edit_cursor_backward ()
 838 {
 839         jack_nframes_t pos;
 840         jack_nframes_t cnt;
 841         float prefix;
 842         bool was_floating;
 843
 844         if (get_prefix (prefix, was_floating)) {
 845                 cnt = 1;
 846         } else {
 847                 if (was_floating) {
 848                         cnt = (jack_nframes_t) floor (prefix * session->frame_rate ());
 849                 } else {
 850                         cnt = (jack_nframes_t) prefix;
 851                 }
 852         }
 853
 854         pos = edit_cursor->current_frame;
 855
 856         if ((jack_nframes_t) pos < cnt) {
 857                 pos = 0;
 858         } else {
 859                 pos -= cnt;
 860         }
 861
 862         edit_cursor->set_position (pos);
 863 }
 864
 865 void
 866 Editor::edit_cursor_forward ()
 867 {
 868         jack_nframes_t pos;
 869         jack_nframes_t cnt;
 870         bool was_floating;
 871         float prefix;
 872
 873         if (get_prefix (prefix, was_floating)) {
 874                 cnt = 1;
 875         } else {
 876                 if (was_floating) {
 877                         cnt = (jack_nframes_t) floor (prefix * session->frame_rate ());
 878                 } else {
 879                         cnt = (jack_nframes_t) floor (prefix);
 880                 }
 881         }
 882
 883         pos = edit_cursor->current_frame;
 884         edit_cursor->set_position (pos+cnt);
 885 }
 886
 887 void
 888 Editor::goto_frame ()
 889 {
 890         float prefix;
 891         bool was_floating;
 892         jack_nframes_t frame;
 893
 894         if (get_prefix (prefix, was_floating)) {
 895                 return;
 896         }
 897
 898         if (was_floating) {
 899                 frame = (jack_nframes_t) floor (prefix * session->frame_rate());
 900         } else {
 901                 frame = (jack_nframes_t) floor (prefix);
 902         }
 903
 904         session->request_locate (frame);
 905 }
 906
 907 void
 908 Editor::scroll_backward (float pages)
 909 {
 910         jack_nframes_t frame;
 911         jack_nframes_t one_page = (jack_nframes_t) rint (canvas_width * frames_per_unit);
 912         bool was_floating;
 913         float prefix;
 914         jack_nframes_t cnt;
 915
 916         if (get_prefix (prefix, was_floating)) {
 917                 cnt = (jack_nframes_t) floor (pages * one_page);
 918         } else {
 919                 if (was_floating) {
 920                         cnt = (jack_nframes_t) floor (prefix * session->frame_rate());
 921                 } else {
 922                         cnt = (jack_nframes_t) floor (prefix * one_page);
 923                 }
 924         }
 925
 926         if (leftmost_frame < cnt) {
 927                 frame = 0;
 928         } else {
 929                 frame = leftmost_frame - cnt;
 930         }
 931
 932         reposition_x_origin (frame);
 933 }
 934
 935 void
 936 Editor::scroll_forward (float pages)
 937 {
 938         jack_nframes_t frame;
 939         jack_nframes_t one_page = (jack_nframes_t) rint (canvas_width * frames_per_unit);
 940         bool was_floating;
 941         float prefix;
 942         jack_nframes_t cnt;
 943
 944         if (get_prefix (prefix, was_floating)) {
 945                 cnt = (jack_nframes_t) floor (pages * one_page);
 946         } else {
 947                 if (was_floating) {
 948                         cnt = (jack_nframes_t) floor (prefix * session->frame_rate());
 949                 } else {
 950                         cnt = (jack_nframes_t) floor (prefix * one_page);
 951                 }
 952         }
 953
 954         if (ULONG_MAX - cnt < leftmost_frame) {
 955                 frame = ULONG_MAX - cnt;
 956         } else {
 957                 frame = leftmost_frame + cnt;
 958         }
 959
 960         reposition_x_origin (frame);
 961 }
 962
 963 void
 964 Editor::scroll_tracks_down ()
 965 {
 966         float prefix;
 967         bool was_floating;
 968         int cnt;
 969
 970         if (get_prefix (prefix, was_floating)) {
 971                 cnt = 1;
 972         } else {
 973                 cnt = (int) floor (prefix);
 974         }
 975
 976         vertical_adjustment.set_value (vertical_adjustment.get_value() + (cnt * vertical_adjustment.get_page_size()));
 977 }
 978
 979 void
 980 Editor::scroll_tracks_up ()
 981 {
 982         float prefix;
 983         bool was_floating;
 984         int cnt;
 985
 986         if (get_prefix (prefix, was_floating)) {
 987                 cnt = 1;
 988         } else {
 989                 cnt = (int) floor (prefix);
 990         }
 991
 992         vertical_adjustment.set_value (vertical_adjustment.get_value() - (cnt * vertical_adjustment.get_page_size()));
 993 }
 994
 995 void
 996 Editor::scroll_tracks_down_line ()
 997 {
 998         Gtk::Adjustment* adj = edit_vscrollbar.get_adjustment();
 999         adj->set_value (adj->get_value() + 10);
1000 }
1001
1002 void
1003 Editor::scroll_tracks_up_line ()
1004 {
1005         Gtk::Adjustment* adj = edit_vscrollbar.get_adjustment();
1006         adj->set_value (adj->get_value() - 10);
1007 }
1008
1009 /* ZOOM */
1010
1011 void
1012 Editor::temporal_zoom_step (bool coarser)
1013 {
1014         double nfpu;
1015
1016         nfpu = frames_per_unit;
1017
1018         if (coarser) {
1019                 nfpu *= 2.0;
1020         } else {
1021                 nfpu = max(1.0,(nfpu/2.0));
1022         }
1023
1024         temporal_zoom (nfpu);
1025 }
1026
1027 void
1028 Editor::temporal_zoom (gdouble fpu)
1029 {
1030         if (!session) return;
1031
1032         jack_nframes_t current_page = current_page_frames();
1033         jack_nframes_t current_leftmost = leftmost_frame;
1034         jack_nframes_t current_rightmost;
1035         jack_nframes_t current_center;
1036         jack_nframes_t new_page;
1037         jack_nframes_t leftmost_after_zoom = 0;
1038         double nfpu;
1039
1040         nfpu = fpu;
1041
1042         new_page = (jack_nframes_t) floor (canvas_width * nfpu);
1043
1044         switch (zoom_focus) {
1045         case ZoomFocusLeft:
1046                 leftmost_after_zoom = current_leftmost;
1047                 break;
1048
1049         case ZoomFocusRight:
1050                 current_rightmost = leftmost_frame + current_page;
1051                 if (current_rightmost > new_page) {
1052                         leftmost_after_zoom = current_rightmost - new_page;
1053                 } else {
1054                         leftmost_after_zoom = 0;
1055                 }
1056                 break;
1057
1058         case ZoomFocusCenter:
1059                 current_center = current_leftmost + (current_page/2);
1060                 if (current_center > (new_page/2)) {
1061                         leftmost_after_zoom = current_center - (new_page / 2);
1062                 } else {
1063                         leftmost_after_zoom = 0;
1064                 }
1065                 break;
1066
1067         case ZoomFocusPlayhead:
1068                 /* try to keep the playhead in the center */
1069                 if (playhead_cursor->current_frame > new_page/2) {
1070                         leftmost_after_zoom = playhead_cursor->current_frame - (new_page/2);
1071                 } else {
1072                         leftmost_after_zoom = 0;
1073                 }
1074                 break;
1075
1076         case ZoomFocusEdit:
1077                 /* try to keep the edit cursor in the center */
1078                 if (edit_cursor->current_frame > leftmost_frame + (new_page/2)) {
1079                         leftmost_after_zoom = edit_cursor->current_frame - (new_page/2);
1080                 } else {
1081                         leftmost_after_zoom = 0;
1082                 }
1083                 break;
1084
1085         }
1086
1087         // leftmost_after_zoom = min (leftmost_after_zoom, session->current_end_frame());
1088
1089 //      begin_reversible_command (_("zoom"));
1090 //      session->add_undo (bind (mem_fun(*this, &Editor::reposition_and_zoom), current_leftmost, frames_per_unit));
1091 //      session->add_redo (bind (mem_fun(*this, &Editor::reposition_and_zoom), leftmost_after_zoom, nfpu));
1092 //      commit_reversible_command ();
1093
1094         reposition_and_zoom (leftmost_after_zoom, nfpu);
1095 }
1096
1097 void
1098 Editor::temporal_zoom_selection ()
1099 {
1100         if (!selection) return;
1101
1102         if (selection->time.empty()) {
1103                 return;
1104         }
1105
1106         jack_nframes_t start = selection->time[clicked_selection].start;
1107         jack_nframes_t end = selection->time[clicked_selection].end;
1108
1109         temporal_zoom_by_frame (start, end, "zoom to selection");
1110 }
1111
1112 void
1113 Editor::temporal_zoom_session ()
1114 {
1115         if (session) {
1116                 temporal_zoom_by_frame (0, session->current_end_frame(), "zoom to session");
1117         }
1118 }
1119
1120 void
1121 Editor::temporal_zoom_by_frame (jack_nframes_t start, jack_nframes_t end, const string & op)
1122 {
1123         if (!session) return;
1124
1125         if ((start == 0 && end == 0) || end < start) {
1126                 return;
1127         }
1128
1129         jack_nframes_t range = end - start;
1130
1131         double new_fpu = (double)range / (double)canvas_width;
1132 //      double p2 = 1.0;
1133
1134 //      while (p2 < new_fpu) {
1135 //              p2 *= 2.0;
1136 //      }
1137 //      new_fpu = p2;
1138
1139         jack_nframes_t new_page = (jack_nframes_t) floor (canvas_width * new_fpu);
1140         jack_nframes_t middle = (jack_nframes_t) floor( (double)start + ((double)range / 2.0f ));
1141         jack_nframes_t new_leftmost = (jack_nframes_t) floor( (double)middle - ((double)new_page/2.0f));
1142
1143         if (new_leftmost > middle) new_leftmost = 0;
1144
1145 //      begin_reversible_command (op);
1146 //      session->add_undo (bind (mem_fun(*this, &Editor::reposition_and_zoom), leftmost_frame, frames_per_unit));
1147 //      session->add_redo (bind (mem_fun(*this, &Editor::reposition_and_zoom), new_leftmost, new_fpu));
1148 //      commit_reversible_command ();
1149
1150         reposition_and_zoom (new_leftmost, new_fpu);
1151 }
1152
1153 void
1154 Editor::temporal_zoom_to_frame (bool coarser, jack_nframes_t frame)
1155 {
1156         if (!session) return;
1157
1158         jack_nframes_t range_before = frame - leftmost_frame;
1159         double new_fpu;
1160
1161         new_fpu = frames_per_unit;
1162
1163         if (coarser) {
1164                 new_fpu *= 2.0;
1165                 range_before *= 2;
1166         } else {
1167                 new_fpu = max(1.0,(new_fpu/2.0));
1168                 range_before /= 2;
1169         }
1170
1171         if (new_fpu == frames_per_unit) return;
1172
1173         jack_nframes_t new_leftmost = frame - range_before;
1174
1175         if (new_leftmost > frame) new_leftmost = 0;
1176
1177 //      begin_reversible_command (_("zoom to frame"));
1178 //      session->add_undo (bind (mem_fun(*this, &Editor::reposition_and_zoom), leftmost_frame, frames_per_unit));
1179 //      session->add_redo (bind (mem_fun(*this, &Editor::reposition_and_zoom), new_leftmost, new_fpu));
1180 //      commit_reversible_command ();
1181
1182         reposition_and_zoom (new_leftmost, new_fpu);
1183 }
1184
1185 void
1186 Editor::select_all_in_track (bool add)
1187 {
1188         list<Selectable *> touched;
1189
1190         if (!clicked_trackview) {
1191                 return;
1192         }
1193
1194         clicked_trackview->get_selectables (0, max_frames, 0, DBL_MAX, touched);
1195
1196         if (add) {
1197                 selection->add (touched);
1198         } else {
1199                 selection->set (touched);
1200         }
1201 }
1202
1203 void
1204 Editor::select_all (bool add)
1205 {
1206         list<Selectable *> touched;
1207
1208         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
1209                 if ((*iter)->hidden()) {
1210                         continue;
1211                 }
1212                 (*iter)->get_selectables (0, max_frames, 0, DBL_MAX, touched);
1213         }
1214
1215         if (add) {
1216                 selection->add (touched);
1217         } else {
1218                 selection->set (touched);
1219         }
1220
1221 }
1222
1223 void
1224 Editor::invert_selection_in_track ()
1225 {
1226         list<Selectable *> touched;
1227
1228         if (!clicked_trackview) {
1229                 return;
1230         }
1231
1232         clicked_trackview->get_inverted_selectables (*selection, touched);
1233         selection->set (touched);
1234 }
1235
1236 void
1237 Editor::invert_selection ()
1238 {
1239         list<Selectable *> touched;
1240
1241         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
1242                 if ((*iter)->hidden()) {
1243                         continue;
1244                 }
1245                 (*iter)->get_inverted_selectables (*selection, touched);
1246         }
1247
1248         selection->set (touched);
1249 }
1250
1251 bool
1252 Editor::select_all_within (jack_nframes_t start, jack_nframes_t end, double top, double bot, bool add)
1253 {
1254         list<Selectable *> touched;
1255
1256         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
1257                 if ((*iter)->hidden()) {
1258                         continue;
1259                 }
1260                 (*iter)->get_selectables (start, end, top, bot, touched);
1261         }
1262
1263         if (add) {
1264                 selection->add (touched);
1265         } else {
1266                 selection->set (touched);
1267         }
1268
1269         return !touched.empty();
1270 }
1271
1272 void
1273 Editor::set_selection_from_punch()
1274 {
1275         Location* location;
1276
1277         if ((location = session->locations()->auto_punch_location()) == 0)  {
1278                 return;
1279         }
1280
1281         set_selection_from_range (*location);
1282 }
1283
1284 void
1285 Editor::set_selection_from_loop()
1286 {
1287         Location* location;
1288
1289         if ((location = session->locations()->auto_loop_location()) == 0)  {
1290                 return;
1291         }
1292
1293         set_selection_from_range (*location);
1294 }
1295
1296 void
1297 Editor::set_selection_from_range (Location& range)
1298 {
1299         if (clicked_trackview == 0) {
1300                 return;
1301         }
1302
1303         begin_reversible_command (_("set selection from range"));
1304         selection->set (0, range.start(), range.end());
1305         commit_reversible_command ();
1306 }
1307
1308 void
1309 Editor::amplitude_zoom_step (bool in)
1310 {
1311         gdouble zoom = 1.0;
1312
1313         if (in) {
1314                 zoom *= 2.0;
1315         } else {
1316                 if (zoom > 2.0) {
1317                         zoom /= 2.0;
1318                 } else {
1319                         zoom = 1.0;
1320                 }
1321         }
1322
1323 #ifdef FIX_FOR_CANVAS
1324         /* XXX DO SOMETHING */
1325 #endif
1326 }
1327
1328
1329 /* DELETION */
1330
1331
1332 void
1333 Editor::delete_sample_forward ()
1334 {
1335 }
1336
1337 void
1338 Editor::delete_sample_backward ()
1339 {
1340 }
1341
1342 void
1343 Editor::delete_screen ()
1344 {
1345 }
1346
1347 /* SEARCH */
1348
1349 void
1350 Editor::search_backwards ()
1351 {
1352         /* what ? */
1353 }
1354
1355 void
1356 Editor::search_forwards ()
1357 {
1358         /* what ? */
1359 }
1360
1361 /* MARKS */
1362
1363 void
1364 Editor::jump_forward_to_mark ()
1365 {
1366         if (!session) {
1367                 return;
1368         }
1369
1370         Location *location = session->locations()->first_location_after (playhead_cursor->current_frame);
1371
1372         if (location) {
1373                 session->request_locate (location->start(), session->transport_rolling());
1374         } else {
1375                 session->request_locate (session->current_end_frame());
1376         }
1377 }
1378
1379 void
1380 Editor::jump_backward_to_mark ()
1381 {
1382         if (!session) {
1383                 return;
1384         }
1385
1386         Location *location = session->locations()->first_location_before (playhead_cursor->current_frame);
1387
1388         if (location) {
1389                 session->request_locate (location->start(), session->transport_rolling());
1390         } else {
1391                 session->request_locate (0);
1392         }
1393 }
1394
1395 void
1396 Editor::set_mark ()
1397 {
1398         jack_nframes_t pos;
1399         float prefix;
1400         bool was_floating;
1401
1402         if (get_prefix (prefix, was_floating)) {
1403                 pos = session->audible_frame ();
1404         } else {
1405                 if (was_floating) {
1406                         pos = (jack_nframes_t) floor (prefix * session->frame_rate ());
1407                 } else {
1408                         pos = (jack_nframes_t) floor (prefix);
1409                 }
1410         }
1411
1412         session->locations()->add (new Location (pos, 0, "mark", Location::IsMark), true);
1413 }
1414
1415 void
1416 Editor::clear_markers ()
1417 {
1418         if (session) {
1419                 session->begin_reversible_command (_("clear markers"));
1420                 session->add_undo (session->locations()->get_memento());
1421                 session->locations()->clear_markers ();
1422                 session->add_redo_no_execute (session->locations()->get_memento());
1423                 session->commit_reversible_command ();
1424         }
1425 }
1426
1427 void
1428 Editor::clear_ranges ()
1429 {
1430         if (session) {
1431                 session->begin_reversible_command (_("clear ranges"));
1432                 session->add_undo (session->locations()->get_memento());
1433
1434                 Location * looploc = session->locations()->auto_loop_location();
1435                 Location * punchloc = session->locations()->auto_punch_location();
1436
1437                 session->locations()->clear_ranges ();
1438                 // re-add these
1439                 if (looploc) session->locations()->add (looploc);
1440                 if (punchloc) session->locations()->add (punchloc);
1441
1442                 session->add_redo_no_execute (session->locations()->get_memento());
1443                 session->commit_reversible_command ();
1444         }
1445 }
1446
1447 void
1448 Editor::clear_locations ()
1449 {
1450         session->begin_reversible_command (_("clear locations"));
1451         session->add_undo (session->locations()->get_memento());
1452         session->locations()->clear ();
1453         session->add_redo_no_execute (session->locations()->get_memento());
1454         session->commit_reversible_command ();
1455         session->locations()->clear ();
1456 }
1457
1458 /* INSERT/REPLACE */
1459
1460 void
1461 Editor::insert_region_list_drag (AudioRegion& region, int x, int y)
1462 {
1463         double wx, wy;
1464         double cx, cy;
1465         TimeAxisView *tv;
1466         jack_nframes_t where;
1467         AudioTimeAxisView *atv = 0;
1468         Playlist *playlist;
1469
1470         track_canvas.window_to_world (x, y, wx, wy);
1471
1472         GdkEvent event;
1473         event.type = GDK_BUTTON_RELEASE;
1474         event.button.x = wx;
1475         event.button.y = wy;
1476
1477         where = event_frame (&event, &cx, &cy);
1478
1479         if (where < leftmost_frame || where > leftmost_frame + current_page_frames()) {
1480                 /* clearly outside canvas area */
1481                 return;
1482         }
1483
1484         if ((tv = trackview_by_y_position (cy)) == 0) {
1485                 return;
1486         }
1487
1488         if ((atv = dynamic_cast<AudioTimeAxisView*>(tv)) == 0) {
1489                 return;
1490         }
1491
1492         if ((playlist = atv->playlist()) == 0) {
1493                 return;
1494         }
1495
1496         snap_to (where);
1497
1498         begin_reversible_command (_("insert dragged region"));
1499         session->add_undo (playlist->get_memento());
1500         playlist->add_region (*(new AudioRegion (region)), where, 1.0);
1501         session->add_redo_no_execute (playlist->get_memento());
1502         commit_reversible_command ();
1503 }
1504
1505 void
1506 Editor::insert_region_list_selection (float times)
1507 {
1508         AudioTimeAxisView *tv = 0;
1509         Playlist *playlist;
1510
1511         if (clicked_audio_trackview != 0) {
1512                 tv = clicked_audio_trackview;
1513         } else if (!selection->tracks.empty()) {
1514                 if ((tv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.front())) == 0) {
1515                         return;
1516                 }
1517         } else {
1518                 return;
1519         }
1520
1521         if ((playlist = tv->playlist()) == 0) {
1522                 return;
1523         }
1524
1525         Glib::RefPtr<TreeSelection> selected = region_list_display.get_selection();
1526
1527         if (selected->count_selected_rows() != 1) {
1528                 return;
1529         }
1530
1531         TreeModel::iterator i = region_list_display.get_selection()->get_selected();
1532         Region* region = (*i)[region_list_columns.region];
1533
1534         begin_reversible_command (_("insert region"));
1535         session->add_undo (playlist->get_memento());
1536         playlist->add_region (*(createRegion (*region)), edit_cursor->current_frame, times);
1537         session->add_redo_no_execute (playlist->get_memento());
1538         commit_reversible_command ();
1539 }
1540
1541
1542 /* BUILT-IN EFFECTS */
1543
1544 void
1545 Editor::reverse_selection ()
1546 {
1547
1548 }
1549
1550 /* GAIN ENVELOPE EDITING */
1551
1552 void
1553 Editor::edit_envelope ()
1554 {
1555 }
1556
1557 /* PLAYBACK */
1558
1559 void
1560 Editor::toggle_playback (bool with_abort)
1561 {
1562         if (!session) {
1563                 return;
1564         }
1565
1566         switch (session->slave_source()) {
1567         case Session::None:
1568         case Session::JACK:
1569                 break;
1570         default:
1571                 /* transport controlled by the master */
1572                 return;
1573         }
1574
1575         if (session->is_auditioning()) {
1576                 session->cancel_audition ();
1577                 return;
1578         }
1579
1580         if (session->transport_rolling()) {
1581                 session->request_stop (with_abort);
1582                 if (session->get_auto_loop()) {
1583                         session->request_auto_loop (false);
1584                 }
1585         } else {
1586                 session->request_transport_speed (1.0f);
1587         }
1588 }
1589
1590 void
1591 Editor::play_from_start ()
1592 {
1593         session->request_locate (0, true);
1594 }
1595
1596 void
1597 Editor::play_selection ()
1598 {
1599         if (selection->time.empty()) {
1600                 return;
1601         }
1602
1603         session->request_play_range (true);
1604 }
1605
1606 void
1607 Editor::play_selected_region ()
1608 {
1609         if (!selection->audio_regions.empty()) {
1610                 AudioRegionView *rv = *(selection->audio_regions.begin());
1611
1612                 session->request_bounded_roll (rv->region.position(), rv->region.last_frame());
1613         }
1614 }
1615
1616 void
1617 Editor::loop_selected_region ()
1618 {
1619         if (!selection->audio_regions.empty()) {
1620                 AudioRegionView *rv = *(selection->audio_regions.begin());
1621                 Location* tll;
1622
1623                 if ((tll = transport_loop_location()) != 0)  {
1624
1625                         tll->set (rv->region.position(), rv->region.last_frame());
1626
1627                         // enable looping, reposition and start rolling
1628
1629                         session->request_auto_loop (true);
1630                         session->request_locate (tll->start(), false);
1631                         session->request_transport_speed (1.0f);
1632                 }
1633         }
1634 }
1635
1636 void
1637 Editor::play_location (Location& location)
1638 {
1639         if (location.start() <= location.end()) {
1640                 return;
1641         }
1642
1643         session->request_bounded_roll (location.start(), location.end());
1644 }
1645
1646 void
1647 Editor::loop_location (Location& location)
1648 {
1649         if (location.start() <= location.end()) {
1650                 return;
1651         }
1652
1653         Location* tll;
1654
1655         if ((tll = transport_loop_location()) != 0) {
1656                 tll->set (location.start(), location.end());
1657
1658                 // enable looping, reposition and start rolling
1659                 session->request_auto_loop (true);
1660                 session->request_locate (tll->start(), true);
1661         }
1662 }
1663
1664 void
1665 Editor::toggle_region_mute ()
1666 {
1667         if (clicked_regionview) {
1668                 clicked_regionview->region.set_muted (!clicked_regionview->region.muted());
1669         } else if (!selection->audio_regions.empty()) {
1670                 bool yn = ! (*selection->audio_regions.begin())->region.muted();
1671                 selection->foreach_audio_region (&AudioRegion::set_muted, yn);
1672         }
1673 }
1674
1675 void
1676 Editor::toggle_region_opaque ()
1677 {
1678         if (clicked_regionview) {
1679                 clicked_regionview->region.set_opaque (!clicked_regionview->region.opaque());
1680         } else if (!selection->audio_regions.empty()) {
1681                 bool yn = ! (*selection->audio_regions.begin())->region.opaque();
1682                 selection->foreach_audio_region (&Region::set_opaque, yn);
1683         }
1684 }
1685
1686 void
1687 Editor::raise_region ()
1688 {
1689         selection->foreach_audio_region (&Region::raise);
1690 }
1691
1692 void
1693 Editor::raise_region_to_top ()
1694 {
1695         selection->foreach_audio_region (&Region::raise_to_top);
1696 }
1697
1698 void
1699 Editor::lower_region ()
1700 {
1701         selection->foreach_audio_region (&Region::lower);
1702 }
1703
1704 void
1705 Editor::lower_region_to_bottom ()
1706 {
1707         selection->foreach_audio_region (&Region::lower_to_bottom);
1708 }
1709
1710 void
1711 Editor::edit_region ()
1712 {
1713         if (clicked_regionview == 0) {
1714                 return;
1715         }
1716
1717         clicked_regionview->show_region_editor ();
1718 }
1719
1720 void
1721 Editor::rename_region ()
1722 {
1723         Dialog dialog;
1724         Entry  entry;
1725         Button ok_button (_("OK"));
1726         Button cancel_button (_("Cancel"));
1727
1728         if (selection->audio_regions.empty()) {
1729                 return;
1730         }
1731
1732         dialog.set_title (_("ardour: rename region"));
1733         dialog.set_name ("RegionRenameWindow");
1734         dialog.set_size_request (300, -1);
1735         dialog.set_position (Gtk::WIN_POS_MOUSE);
1736         dialog.set_modal (true);
1737
1738         dialog.get_vbox()->set_border_width (10);
1739         dialog.get_vbox()->pack_start (entry);
1740         dialog.get_action_area()->pack_start (ok_button);
1741         dialog.get_action_area()->pack_start (cancel_button);
1742
1743         entry.set_name ("RegionNameDisplay");
1744         ok_button.set_name ("EditorGTKButton");
1745         cancel_button.set_name ("EditorGTKButton");
1746
1747         region_renamed = false;
1748
1749         entry.signal_activate().connect (bind (mem_fun(*this, &Editor::rename_region_finished), true));
1750         ok_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::rename_region_finished), true));
1751         cancel_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::rename_region_finished), false));
1752
1753         /* recurse */
1754
1755         dialog.show_all ();
1756         Main::run ();
1757
1758         if (region_renamed) {
1759                 (*selection->audio_regions.begin())->region.set_name (entry.get_text());
1760                 redisplay_regions ();
1761         }
1762 }
1763
1764 void
1765 Editor::rename_region_finished (bool status)
1766
1767 {
1768         region_renamed = status;
1769         Main::quit ();
1770 }
1771
1772 void
1773 Editor::audition_playlist_region_via_route (AudioRegion& region, Route& route)
1774 {
1775         if (session->is_auditioning()) {
1776                 session->cancel_audition ();
1777         }
1778
1779         // note: some potential for creativity here, because region doesn't
1780         // have to belong to the playlist that Route is handling
1781
1782         // bool was_soloed = route.soloed();
1783
1784         route.set_solo (true, this);
1785
1786         session->request_bounded_roll (region.position(), region.position() + region.length());
1787
1788         /* XXX how to unset the solo state ? */
1789 }
1790
1791 void
1792 Editor::audition_selected_region ()
1793 {
1794         if (!selection->audio_regions.empty()) {
1795                 AudioRegionView* rv = *(selection->audio_regions.begin());
1796                 session->audition_region (rv->region);
1797         }
1798 }
1799
1800 void
1801 Editor::audition_playlist_region_standalone (AudioRegion& region)
1802 {
1803         session->audition_region (region);
1804 }
1805
1806 void
1807 Editor::build_interthread_progress_window ()
1808 {
1809         interthread_progress_window = new ArdourDialog (X_("interthread progress"), true);
1810
1811         interthread_progress_bar.set_orientation (Gtk::PROGRESS_LEFT_TO_RIGHT);
1812
1813         interthread_progress_window->get_vbox()->pack_start (interthread_progress_label, false, false);
1814         interthread_progress_window->get_vbox()->pack_start (interthread_progress_bar,false, false);
1815
1816         // GTK2FIX: this button needs a modifiable label
1817
1818         Button* b = interthread_progress_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1819         b->signal_clicked().connect (mem_fun(*this, &Editor::interthread_cancel_clicked));
1820
1821         interthread_cancel_button.add (interthread_cancel_label);
1822
1823         interthread_progress_window->set_default_size (200, 100);
1824 }
1825
1826 void
1827 Editor::interthread_cancel_clicked ()
1828 {
1829         if (current_interthread_info) {
1830                 current_interthread_info->cancel = true;
1831         }
1832 }
1833
1834 void *
1835 Editor::_import_thread (void *arg)
1836 {
1837         PBD::ThreadCreated (pthread_self(), X_("Import"));
1838
1839         Editor *ed = (Editor *) arg;
1840         return ed->import_thread ();
1841 }
1842
1843 void *
1844 Editor::import_thread ()
1845 {
1846         session->import_audiofile (import_status);
1847         return 0;
1848 }
1849
1850 gint
1851 Editor::import_progress_timeout (void *arg)
1852 {
1853         interthread_progress_label.set_text (import_status.doing_what);
1854
1855         if (import_status.freeze) {
1856                 interthread_cancel_button.set_sensitive(false);
1857         } else {
1858                 interthread_cancel_button.set_sensitive(true);
1859         }
1860
1861         if (import_status.doing_what == "building peak files") {
1862                 interthread_progress_bar.pulse ();
1863                 return FALSE;
1864         } else {
1865                 interthread_progress_bar.set_fraction (import_status.progress/100);
1866         }
1867
1868         return !(import_status.done || import_status.cancel);
1869 }
1870
1871 void
1872 Editor::import_audio (bool as_tracks)
1873 {
1874         if (session == 0) {
1875                 warning << _("You can't import an audiofile until you have a session loaded.") << endmsg;
1876                 return;
1877         }
1878
1879         string str;
1880
1881         if (as_tracks) {
1882                 str =_("Import selected as tracks");
1883         } else {
1884                 str = _("Import selected to region list");
1885         }
1886
1887         SoundFileOmega sfdb (str);
1888         sfdb.Imported.connect (bind (mem_fun (*this, &Editor::do_import), as_tracks));
1889
1890         sfdb.run();
1891 }
1892
1893 void
1894 Editor::catch_new_audio_region (AudioRegion* ar)
1895 {
1896         last_audio_region = ar;
1897 }
1898
1899 void
1900 Editor::do_import (vector<string> paths, bool split, bool as_tracks)
1901 {
1902         sigc::connection c;
1903
1904         /* SFDB sets "multichan" to true to indicate "split channels"
1905            so reverse the setting to match the way libardour
1906            interprets it.
1907         */
1908
1909         import_status.multichan = !split;
1910
1911         if (interthread_progress_window == 0) {
1912                 build_interthread_progress_window ();
1913         }
1914
1915         interthread_progress_window->set_title (_("ardour: audio import in progress"));
1916         interthread_progress_window->set_position (Gtk::WIN_POS_MOUSE);
1917         interthread_progress_window->show_all ();
1918         interthread_progress_bar.set_fraction (0.0f);
1919         interthread_cancel_label.set_text (_("Cancel Import"));
1920         current_interthread_info = &import_status;
1921
1922         c = session->AudioRegionAdded.connect (mem_fun(*this, &Editor::catch_new_audio_region));
1923
1924         for (vector<string>::iterator i = paths.begin(); i != paths.end(); ++i ) {
1925
1926                 interthread_progress_window->set_title (string_compose (_("ardour: importing %1"), (*i)));
1927
1928                 import_status.pathname = (*i);
1929                 import_status.done = false;
1930                 import_status.cancel = false;
1931                 import_status.freeze = false;
1932                 import_status.done = 0.0;
1933
1934                 interthread_progress_connection =
1935                   Glib::signal_timeout().connect (bind (mem_fun(*this, &Editor::import_progress_timeout), (gpointer) 0), 100);
1936
1937                 last_audio_region = 0;
1938
1939                 pthread_create_and_store ("import", &import_status.thread, 0, _import_thread, this);
1940                 pthread_detach (import_status.thread);
1941
1942                 while (!(import_status.done || import_status.cancel)) {
1943                         gtk_main_iteration ();
1944                 }
1945
1946                 import_status.done = true;
1947                 interthread_progress_connection.disconnect ();
1948
1949                 if (as_tracks && last_audio_region != 0) {
1950                         uint32_t channels = last_audio_region->n_channels();
1951
1952                         AudioTrack* at = session->new_audio_track (channels, channels);
1953                         AudioRegion* copy = new AudioRegion (*last_audio_region);
1954                         at->disk_stream().playlist()->add_region (*copy, 0);
1955                 }
1956         }
1957
1958         c.disconnect ();
1959         interthread_progress_window->hide_all ();
1960 }
1961
1962 int
1963 Editor::reject_because_rate_differs (const string & path, SF_INFO& finfo, const string & action, bool multiple_pending)
1964 {
1965         if (!session) {
1966                 return 1;
1967         }
1968
1969         if (finfo.samplerate != (int) session->frame_rate()) {
1970                 vector<string> choices;
1971
1972                 choices.push_back (string_compose (_("%1 it anyway"), action));
1973
1974                 if (multiple_pending) {
1975                         /* XXX assumptions about sentence structure
1976                            here for translators. Sorry.
1977                         */
1978                         choices.push_back (string_compose (_("Don't %1 it"), action));
1979                         choices.push_back (string_compose (_("%1 all without questions"), action));
1980                         choices.push_back (_("Cancel entire import"));
1981                 } else {
1982                         choices.push_back (_("Cancel"));
1983                 }
1984
1985                 Gtkmm2ext::Choice rate_choice (
1986                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
1987                         choices);
1988
1989                 rate_choice.chosen.connect (ptr_fun (Main::quit));
1990                 rate_choice.show_all ();
1991
1992                 Main::run ();
1993
1994                 switch (rate_choice.get_choice()) {
1995                 case 0: /* do it anyway */
1996                         return 0;
1997                 case 1: /* don't import this one */
1998                         return 1;
1999                 case 2: /* do the rest without asking */
2000                         return -1;
2001                 case 3: /* stop a multi-file import */
2002                 default:
2003                         return -2;
2004                 }
2005         }
2006
2007         return 0;
2008 }
2009
2010 void
2011 Editor::embed_audio ()
2012 {
2013         if (session == 0) {
2014                 warning << _("You can't embed an audiofile until you have a session loaded.") << endmsg;
2015                 return;
2016         }
2017
2018         SoundFileOmega sfdb (_("Add to External Region list"));
2019         sfdb.Embedded.connect (mem_fun (*this, &Editor::do_embed_sndfiles));
2020
2021         sfdb.run ();
2022 }
2023
2024 void
2025 Editor::do_embed_sndfiles (vector<string> paths, bool split)
2026 {
2027         bool multiple_files = paths.size() > 1;
2028         bool check_sample_rate = true;
2029
2030         for (vector<string>::iterator i = paths.begin(); i != paths.end(); ++i) {
2031                 embed_sndfile (*i, split, multiple_files, check_sample_rate);
2032         }
2033
2034         session->save_state ("");
2035 }
2036
2037 void
2038 Editor::embed_sndfile (string path, bool split, bool multiple_files, bool& check_sample_rate)
2039 {
2040         SndFileSource *source = 0; /* keep g++ quiet */
2041         AudioRegion::SourceList sources;
2042         string idspec;
2043         string linked_path;
2044         SNDFILE *sf;
2045         SF_INFO finfo;
2046
2047         /* lets see if we can link it into the session */
2048
2049         linked_path = session->sound_dir();
2050         linked_path += PBD::basename (path);
2051
2052         if (link (path.c_str(), linked_path.c_str()) == 0) {
2053
2054                 /* there are many reasons why link(2) might have failed.
2055                    but if it succeeds, we now have a link in the
2056                    session sound dir that will protect against
2057                    unlinking of the original path. nice.
2058                 */
2059
2060                 path = linked_path;
2061         }
2062
2063         memset (&finfo, 0, sizeof(finfo));
2064
2065         /* note that we temporarily truncated _id at the colon */
2066
2067         if ((sf = sf_open (path.c_str(), SFM_READ, &finfo)) == 0) {
2068                 char errbuf[256];
2069                 sf_error_str (0, errbuf, sizeof (errbuf) - 1);
2070                 error << string_compose(_("Editor: cannot open file \"%1\" (%2)"), selection, errbuf) << endmsg;
2071                 return;
2072         }
2073         sf_close (sf);
2074         sf = 0;
2075
2076         if (check_sample_rate) {
2077                 switch (reject_because_rate_differs (path, finfo, "Embed", multiple_files)) {
2078                 case 0:
2079                         break;
2080                 case 1:
2081                         return;
2082                 case -1:
2083                         check_sample_rate = false;
2084                         break;
2085
2086                 case -2:
2087                 default:
2088                         return;
2089                 }
2090         }
2091
2092         track_canvas.get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
2093         ARDOUR_UI::instance()->flush_pending ();
2094
2095         /* make the proper number of channels in the region */
2096
2097         for (int n=0; n < finfo.channels; ++n)
2098         {
2099                 idspec = path;
2100                 idspec += string_compose(":%1", n);
2101
2102                 try {
2103                         source = new SndFileSource (idspec.c_str());
2104                         sources.push_back(source);
2105                 }
2106
2107                 catch (failed_constructor& err) {
2108                         error << string_compose(_("could not open %1"), path) << endmsg;
2109                         goto out;
2110                 }
2111
2112                 ARDOUR_UI::instance()->flush_pending ();
2113         }
2114
2115         if (sources.size() > 0) {
2116
2117                 string region_name = PBD::basename_nosuffix (path);
2118                 region_name += "-0";
2119
2120                 /* The created region isn't dropped.  It emits a signal
2121                    that is picked up by the session.
2122                 */
2123
2124                 new AudioRegion (sources, 0, sources[0]->length(), region_name, 0,
2125                                  Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External));
2126
2127                 /* make sure we can see it in the list */
2128
2129                 /* its the second node, always */
2130
2131                 // GTK2FIX ?? is it still always the 2nd node
2132
2133                 TreeModel::Path path ("2");
2134                 region_list_display.expand_row (path, true);
2135
2136                 ARDOUR_UI::instance()->flush_pending ();
2137         }
2138
2139   out:
2140         track_canvas.get_window()->set_cursor (*current_canvas_cursor);
2141 }
2142
2143 void
2144 Editor::insert_sndfile (bool as_tracks)
2145 {
2146 //      SoundFileSelector& sfdb (ARDOUR_UI::instance()->get_sfdb_window());
2147         sigc::connection c;
2148         string str;
2149
2150         if (as_tracks) {
2151
2152 //              c = sfdb.Action.connect (mem_fun(*this, &Editor::insert_paths_as_new_tracks));
2153                 str = _("Insert selected as new tracks");
2154
2155         } else {
2156
2157                 jack_nframes_t pos;
2158
2159                 if (clicked_audio_trackview == 0) {
2160                         return;
2161                 }
2162
2163                 if (ensure_cursor (&pos)) {
2164                         return;
2165                 }
2166
2167 //              c = sfdb.Action.connect (bind (mem_fun(*this, &Editor::do_insert_sndfile), pos));
2168                 str = _("Insert selected");
2169         }
2170
2171 //      sfdb.run (str, false);
2172 //      c.disconnect ();
2173 }
2174
2175 void
2176 Editor::insert_paths_as_new_tracks (vector<string> paths, bool split)
2177 {
2178         SNDFILE *sf;
2179         SF_INFO finfo;
2180         bool multiple_files;
2181         bool check_sample_rate = true;
2182
2183         multiple_files = paths.size() > 1;
2184
2185         for (vector<string>::iterator p = paths.begin(); p != paths.end(); ++p) {
2186
2187                 memset (&finfo, 0, sizeof(finfo));
2188
2189                 if ((sf = sf_open ((*p).c_str(), SFM_READ, &finfo)) == 0) {
2190                         char errbuf[256];
2191                         sf_error_str (0, errbuf, sizeof (errbuf) - 1);
2192                         error << string_compose(_("Editor: cannot open file \"%1\" (%2)"), (*p), errbuf) << endmsg;
2193                         continue;
2194                 }
2195
2196                 sf_close (sf);
2197                 sf = 0;
2198
2199                 /* add a new track */
2200
2201                 if (check_sample_rate) {
2202                         switch (reject_because_rate_differs (*p, finfo, "Insert", multiple_files)) {
2203                         case 0:
2204                                 break;
2205                         case 1:
2206                                 continue;
2207                         case -1:
2208                                 check_sample_rate = false;
2209                                 break;
2210
2211                         case -2:
2212                                 return;
2213                         }
2214                 }
2215
2216                 uint32_t input_chan = finfo.channels;
2217                 uint32_t output_chan;
2218
2219                 if (session->get_output_auto_connect() & Session::AutoConnectMaster) {
2220                         output_chan = (session->master_out() ? session->master_out()->n_inputs() : input_chan);
2221                 } else {
2222                         output_chan = input_chan;
2223                 }
2224
2225                 (void) session->new_audio_track (input_chan, output_chan);
2226
2227
2228                 /* get the last (most recently added) track view */
2229
2230                 AudioTimeAxisView* tv;
2231
2232                 if ((tv = dynamic_cast<AudioTimeAxisView*>(track_views.back())) == 0) {
2233                         fatal << _("programming error: ")
2234                               << X_("last trackview after new_audio_track is not an audio track!")
2235                               << endmsg;
2236                         /*NOTREACHED*/
2237                 }
2238
2239                 jack_nframes_t pos = 0;
2240                 insert_sndfile_into (*p, true, tv, pos, false);
2241         }
2242 }
2243
2244 void
2245 Editor::do_insert_sndfile (vector<string> paths, bool split, jack_nframes_t pos)
2246 {
2247         for (vector<string>::iterator x = paths.begin(); x != paths.end(); ++x) {
2248                 insert_sndfile_into (*x, !split, clicked_audio_trackview, pos);
2249         }
2250 }
2251
2252 void
2253 Editor::insert_sndfile_into (const string & path, bool multi, AudioTimeAxisView* tv, jack_nframes_t& pos, bool prompt)
2254 {
2255         SndFileSource *source = 0; /* keep g++ quiet */
2256         AudioRegion::SourceList sources;
2257         string idspec;
2258         SNDFILE *sf;
2259         SF_INFO finfo;
2260
2261         memset (&finfo, 0, sizeof(finfo));
2262
2263         /* note that we temporarily truncated _id at the colon */
2264
2265         if ((sf = sf_open (path.c_str(), SFM_READ, &finfo)) == 0) {
2266                 char errbuf[256];
2267                 sf_error_str (0, errbuf, sizeof (errbuf) - 1);
2268                 error << string_compose(_("Editor: cannot open file \"%1\" (%2)"), path, errbuf) << endmsg;
2269                 return;
2270         }
2271         sf_close (sf);
2272         sf = 0;
2273
2274         if (prompt && (reject_because_rate_differs (path, finfo, "Insert", false) != 0)) {
2275                 return;
2276         }
2277
2278         track_canvas.get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
2279         ARDOUR_UI::instance()->flush_pending ();
2280
2281         /* make the proper number of channels in the region */
2282
2283         for (int n=0; n < finfo.channels; ++n)
2284         {
2285                 idspec = path;
2286                 idspec += string_compose(":%1", n);
2287
2288                 try {
2289                         source = new SndFileSource (idspec.c_str());
2290                         sources.push_back(source);
2291                 }
2292
2293                 catch (failed_constructor& err) {
2294                         error << string_compose(_("could not open %1"), path) << endmsg;
2295                         goto out;
2296                 }
2297
2298                 ARDOUR_UI::instance()->flush_pending ();
2299         }
2300
2301         if (sources.size() > 0) {
2302
2303                 string region_name = region_name_from_path (PBD::basename (path));
2304
2305                 AudioRegion *region = new AudioRegion (sources, 0, sources[0]->length(), region_name,
2306                                                        0, /* irrelevant these days */
2307                                                        Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External));
2308
2309                 begin_reversible_command (_("insert sndfile"));
2310                 session->add_undo (tv->playlist()->get_memento());
2311                 tv->playlist()->add_region (*region, pos);
2312                 session->add_redo_no_execute (tv->playlist()->get_memento());
2313                 commit_reversible_command ();
2314
2315                 pos += sources[0]->length();
2316
2317                 ARDOUR_UI::instance()->flush_pending ();
2318         }
2319
2320   out:
2321         track_canvas.get_window()->set_cursor (*current_canvas_cursor);
2322         return;
2323 }
2324
2325 void
2326 Editor::region_from_selection ()
2327 {
2328         if (clicked_trackview == 0) {
2329                 return;
2330         }
2331
2332         if (selection->time.empty()) {
2333                 return;
2334         }
2335
2336         jack_nframes_t start = selection->time[clicked_selection].start;
2337         jack_nframes_t end = selection->time[clicked_selection].end;
2338
2339         jack_nframes_t selection_cnt = end - start + 1;
2340
2341         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
2342
2343                 AudioRegion *region;
2344                 AudioRegion *current;
2345                 Region* current_r;
2346                 Playlist *pl;
2347
2348                 jack_nframes_t internal_start;
2349                 string new_name;
2350
2351                 if ((pl = (*i)->playlist()) == 0) {
2352                         continue;
2353                 }
2354
2355                 if ((current_r = pl->top_region_at (start)) == 0) {
2356                         continue;
2357                 }
2358
2359                 if ((current = dynamic_cast<AudioRegion*> (current_r)) != 0) {
2360                         internal_start = start - current->position();
2361                         session->region_name (new_name, current->name(), true);
2362                         region = new AudioRegion (*current, internal_start, selection_cnt, new_name);
2363                 }
2364         }
2365 }
2366
2367 void
2368 Editor::create_region_from_selection (vector<AudioRegion *>& new_regions)
2369 {
2370         if (selection->time.empty() || selection->tracks.empty()) {
2371                 return;
2372         }
2373
2374         jack_nframes_t start = selection->time[clicked_selection].start;
2375         jack_nframes_t end = selection->time[clicked_selection].end;
2376
2377         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
2378
2379                 AudioRegion* current;
2380                 Region* current_r;
2381                 Playlist* playlist;
2382                 jack_nframes_t internal_start;
2383                 string new_name;
2384
2385                 if ((playlist = (*i)->playlist()) == 0) {
2386                         continue;
2387                 }
2388
2389                 if ((current_r = playlist->top_region_at(start)) == 0) {
2390                         continue;
2391                 }
2392
2393                 if ((current = dynamic_cast<AudioRegion*>(current_r)) == 0) {
2394                         continue;
2395                 }
2396
2397                 internal_start = start - current->position();
2398                 session->region_name (new_name, current->name(), true);
2399
2400                 new_regions.push_back (new AudioRegion (*current, internal_start, end - start + 1, new_name));
2401         }
2402 }
2403
2404 void
2405 Editor::split_multichannel_region ()
2406 {
2407         vector<AudioRegion*> v;
2408
2409         if (!clicked_regionview || clicked_regionview->region.n_channels() < 2) {
2410                 return;
2411         }
2412
2413         clicked_regionview->region.separate_by_channel (*session, v);
2414
2415         /* nothing else to do, really */
2416 }
2417
2418 void
2419 Editor::new_region_from_selection ()
2420 {
2421         region_from_selection ();
2422         cancel_selection ();
2423 }
2424
2425 void
2426 Editor::separate_region_from_selection ()
2427 {
2428         bool doing_undo = false;
2429
2430         if (selection->time.empty()) {
2431                 return;
2432         }
2433
2434         Playlist *playlist;
2435
2436         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
2437
2438                 AudioTimeAxisView* atv;
2439
2440                 if ((atv = dynamic_cast<AudioTimeAxisView*> ((*i))) != 0) {
2441
2442                         if (atv->is_audio_track()) {
2443
2444                                 if ((playlist = atv->playlist()) != 0) {
2445                                         if (!doing_undo) {
2446                                                 begin_reversible_command (_("separate"));
2447                                                 doing_undo = true;
2448                                         }
2449                                         if (doing_undo) session->add_undo ((playlist)->get_memento());
2450
2451                                         /* XXX need to consider musical time selections here at some point */
2452
2453                                         double speed = atv->get_diskstream()->speed();
2454
2455                                         for (list<AudioRange>::iterator t = selection->time.begin(); t != selection->time.end(); ++t) {
2456                                                 playlist->partition ((jack_nframes_t)((*t).start * speed), (jack_nframes_t)((*t).end * speed), true);
2457                                         }
2458
2459                                         if (doing_undo) session->add_redo_no_execute (playlist->get_memento());
2460                                 }
2461                         }
2462                 }
2463         }
2464
2465         if (doing_undo) commit_reversible_command ();
2466 }
2467
2468 void
2469 Editor::crop_region_to_selection ()
2470 {
2471         if (selection->time.empty()) {
2472                 return;
2473         }
2474
2475         vector<Playlist*> playlists;
2476         Playlist *playlist;
2477
2478         if (clicked_trackview != 0) {
2479
2480                 if ((playlist = clicked_trackview->playlist()) == 0) {
2481                         return;
2482                 }
2483
2484                 playlists.push_back (playlist);
2485
2486         } else {
2487
2488                 for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
2489
2490                         AudioTimeAxisView* atv;
2491
2492                         if ((atv = dynamic_cast<AudioTimeAxisView*> ((*i))) != 0) {
2493
2494                                 if (atv->is_audio_track()) {
2495
2496                                         if ((playlist = atv->playlist()) != 0) {
2497                                                 playlists.push_back (playlist);
2498                                         }
2499                                 }
2500                         }
2501                 }
2502         }
2503
2504         if (!playlists.empty()) {
2505
2506                 jack_nframes_t start;
2507                 jack_nframes_t end;
2508                 jack_nframes_t cnt;
2509
2510                 begin_reversible_command (_("trim to selection"));
2511
2512                 for (vector<Playlist*>::iterator i = playlists.begin(); i != playlists.end(); ++i) {
2513
2514                         Region *region;
2515
2516                         start = selection->time.start();
2517
2518                         if ((region = (*i)->top_region_at(start)) == 0) {
2519                                 continue;
2520                         }
2521
2522                         /* now adjust lengths to that we do the right thing
2523                            if the selection extends beyond the region
2524                         */
2525
2526                         start = max (start, region->position());
2527                         end = min (selection->time.end_frame(), start + region->length() - 1);
2528                         cnt = end - start + 1;
2529
2530                         session->add_undo ((*i)->get_memento());
2531                         region->trim_to (start, cnt, this);
2532                         session->add_redo_no_execute ((*i)->get_memento());
2533                 }
2534
2535                 commit_reversible_command ();
2536         }
2537 }
2538
2539 void
2540 Editor::region_fill_track ()
2541 {
2542         jack_nframes_t end;
2543
2544         if (!session || selection->audio_regions.empty()) {
2545                 return;
2546         }
2547
2548         end = session->current_end_frame ();
2549
2550         begin_reversible_command (_("region fill"));
2551
2552         for (AudioRegionSelection::iterator i = selection->audio_regions.begin(); i != selection->audio_regions.end(); ++i) {
2553
2554                 AudioRegion& region ((*i)->region);
2555                 Playlist* pl = region.playlist();
2556
2557                 if (end <= region.last_frame()) {
2558                         return;
2559                 }
2560
2561                 double times = (double) (end - region.last_frame()) / (double) region.length();
2562
2563                 if (times == 0) {
2564                         return;
2565                 }
2566
2567                 session->add_undo (pl->get_memento());
2568                 pl->add_region (*(new AudioRegion (region)), region.last_frame(), times);
2569                 session->add_redo_no_execute (pl->get_memento());
2570         }
2571
2572         commit_reversible_command ();
2573 }
2574
2575 void
2576 Editor::region_fill_selection ()
2577 {
2578         if (clicked_audio_trackview == 0 || !clicked_audio_trackview->is_audio_track()) {
2579                 return;
2580         }
2581
2582         if (selection->time.empty()) {
2583                 return;
2584         }
2585
2586         Region *region;
2587
2588         Glib::RefPtr<TreeSelection> selected = region_list_display.get_selection();
2589
2590         if (selected->count_selected_rows() != 1) {
2591                 return;
2592         }
2593
2594         TreeModel::iterator i = region_list_display.get_selection()->get_selected();
2595         region = (*i)[region_list_columns.region];
2596
2597         jack_nframes_t start = selection->time[clicked_selection].start;
2598         jack_nframes_t end = selection->time[clicked_selection].end;
2599
2600         Playlist *playlist;
2601
2602         if (selection->tracks.empty()) {
2603                 return;
2604         }
2605
2606         jack_nframes_t selection_length = end - start;
2607         float times = (float)selection_length / region->length();
2608
2609         begin_reversible_command (_("fill selection"));
2610
2611         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
2612
2613                 if ((playlist = (*i)->playlist()) == 0) {
2614                         continue;
2615                 }
2616
2617                 session->add_undo (playlist->get_memento());
2618                 playlist->add_region (*(createRegion (*region)), start, times);
2619                 session->add_redo_no_execute (playlist->get_memento());
2620         }
2621
2622         commit_reversible_command ();
2623 }
2624
2625 void
2626 Editor::set_region_sync_from_edit_cursor ()
2627 {
2628         if (clicked_regionview == 0) {
2629                 return;
2630         }
2631
2632         if (!clicked_regionview->region.covers (edit_cursor->current_frame)) {
2633                 error << _("Place the edit cursor at the desired sync point") << endmsg;
2634                 return;
2635         }
2636
2637         Region& region (clicked_regionview->region);
2638
2639         begin_reversible_command (_("set sync from edit cursor"));
2640         session->add_undo (region.playlist()->get_memento());
2641         region.set_sync_position (edit_cursor->current_frame);
2642         session->add_redo_no_execute (region.playlist()->get_memento());
2643         commit_reversible_command ();
2644 }
2645
2646 void
2647 Editor::remove_region_sync ()
2648 {
2649         if (clicked_regionview) {
2650                 Region& region (clicked_regionview->region);
2651                 begin_reversible_command (_("remove sync"));
2652                 session->add_undo (region.playlist()->get_memento());
2653                 region.clear_sync_position ();
2654                 session->add_redo_no_execute (region.playlist()->get_memento());
2655                 commit_reversible_command ();
2656         }
2657 }
2658
2659 void
2660 Editor::naturalize ()
2661 {
2662         if (selection->audio_regions.empty()) {
2663                 return;
2664         }
2665         begin_reversible_command (_("naturalize"));
2666         for (AudioRegionSelection::iterator i = selection->audio_regions.begin(); i != selection->audio_regions.end(); ++i) {
2667                 session->add_undo ((*i)->region.get_memento());
2668                 (*i)->region.move_to_natural_position (this);
2669                 session->add_redo_no_execute ((*i)->region.get_memento());
2670         }
2671         commit_reversible_command ();
2672 }
2673
2674 void
2675 Editor::align (RegionPoint what)
2676 {
2677         align_selection (what, edit_cursor->current_frame);
2678 }
2679
2680 void
2681 Editor::align_relative (RegionPoint what)
2682 {
2683         align_selection_relative (what, edit_cursor->current_frame);
2684 }
2685
2686 struct RegionSortByTime {
2687     bool operator() (const AudioRegionView* a, const AudioRegionView* b) {
2688             return a->region.position() < b->region.position();
2689     }
2690 };
2691
2692 void
2693 Editor::align_selection_relative (RegionPoint point, jack_nframes_t position)
2694 {
2695         if (selection->audio_regions.empty()) {
2696                 return;
2697         }
2698
2699         jack_nframes_t distance;
2700         jack_nframes_t pos = 0;
2701         int dir;
2702
2703         list<AudioRegionView*> sorted;
2704         selection->audio_regions.by_position (sorted);
2705         Region& r ((*sorted.begin())->region);
2706
2707         switch (point) {
2708         case Start:
2709                 pos = r.first_frame ();
2710                 break;
2711
2712         case End:
2713                 pos = r.last_frame();
2714                 break;
2715
2716         case SyncPoint:
2717                 pos = r.adjust_to_sync (r.first_frame());
2718                 break;
2719         }
2720
2721         if (pos > position) {
2722                 distance = pos - position;
2723                 dir = -1;
2724         } else {
2725                 distance = position - pos;
2726                 dir = 1;
2727         }
2728
2729         begin_reversible_command (_("align selection (relative)"));
2730
2731         for (AudioRegionSelection::iterator i = selection->audio_regions.begin(); i != selection->audio_regions.end(); ++i) {
2732
2733                 Region& region ((*i)->region);
2734
2735                 session->add_undo (region.playlist()->get_memento());
2736
2737                 if (dir > 0) {
2738                         region.set_position (region.position() + distance, this);
2739                 } else {
2740                         region.set_position (region.position() - distance, this);
2741                 }
2742
2743                 session->add_redo_no_execute (region.playlist()->get_memento());
2744
2745         }
2746
2747         commit_reversible_command ();
2748 }
2749
2750 void
2751 Editor::align_selection (RegionPoint point, jack_nframes_t position)
2752 {
2753         if (selection->audio_regions.empty()) {
2754                 return;
2755         }
2756
2757         begin_reversible_command (_("align selection"));
2758
2759         for (AudioRegionSelection::iterator i = selection->audio_regions.begin(); i != selection->audio_regions.end(); ++i) {
2760                 align_region_internal ((*i)->region, point, position);
2761         }
2762
2763         commit_reversible_command ();
2764 }
2765
2766 void
2767 Editor::align_region (Region& region, RegionPoint point, jack_nframes_t position)
2768 {
2769         begin_reversible_command (_("align region"));
2770         align_region_internal (region, point, position);
2771         commit_reversible_command ();
2772 }
2773
2774 void
2775 Editor::align_region_internal (Region& region, RegionPoint point, jack_nframes_t position)
2776 {
2777         session->add_undo (region.playlist()->get_memento());
2778
2779         switch (point) {
2780         case SyncPoint:
2781                 region.set_position (region.adjust_to_sync (position), this);
2782                 break;
2783
2784         case End:
2785                 if (position > region.length()) {
2786                         region.set_position (position - region.length(), this);
2787                 }
2788                 break;
2789
2790         case Start:
2791                 region.set_position (position, this);
2792                 break;
2793         }
2794
2795         session->add_redo_no_execute (region.playlist()->get_memento());
2796 }
2797
2798 void
2799 Editor::trim_region_to_edit_cursor ()
2800 {
2801         if (clicked_regionview == 0) {
2802                 return;
2803         }
2804
2805         Region& region (clicked_regionview->region);
2806
2807         float speed = 1.0f;
2808         AudioTimeAxisView *atav;
2809
2810         if ( clicked_trackview != 0 && (atav = dynamic_cast<AudioTimeAxisView*>(clicked_trackview)) != 0 ) {
2811                 if (atav->get_diskstream() != 0) {
2812                         speed = atav->get_diskstream()->speed();
2813                 }
2814         }
2815
2816         begin_reversible_command (_("trim to edit"));
2817         session->add_undo (region.playlist()->get_memento());
2818         region.trim_end( session_frame_to_track_frame(edit_cursor->current_frame, speed), this);
2819         session->add_redo_no_execute (region.playlist()->get_memento());
2820         commit_reversible_command ();
2821 }
2822
2823 void
2824 Editor::trim_region_from_edit_cursor ()
2825 {
2826         if (clicked_regionview == 0) {
2827                 return;
2828         }
2829
2830         Region& region (clicked_regionview->region);
2831
2832         float speed = 1.0f;
2833         AudioTimeAxisView *atav;
2834
2835         if ( clicked_trackview != 0 && (atav = dynamic_cast<AudioTimeAxisView*>(clicked_trackview)) != 0 ) {
2836                 if (atav->get_diskstream() != 0) {
2837                         speed = atav->get_diskstream()->speed();
2838                 }
2839         }
2840
2841         begin_reversible_command (_("trim to edit"));
2842         session->add_undo (region.playlist()->get_memento());
2843         region.trim_end( session_frame_to_track_frame(edit_cursor->current_frame, speed), this);
2844         session->add_redo_no_execute (region.playlist()->get_memento());
2845         commit_reversible_command ();
2846 }
2847
2848 void
2849 Editor::unfreeze_route ()
2850 {
2851         if (clicked_audio_trackview == 0 || !clicked_audio_trackview->is_audio_track()) {
2852                 return;
2853         }
2854
2855         clicked_audio_trackview->audio_track()->unfreeze ();
2856 }
2857
2858 void*
2859 Editor::_freeze_thread (void* arg)
2860 {
2861         PBD::ThreadCreated (pthread_self(), X_("Freeze"));
2862         return static_cast<Editor*>(arg)->freeze_thread ();
2863 }
2864
2865 void*
2866 Editor::freeze_thread ()
2867 {
2868         clicked_audio_trackview->audio_track()->freeze (*current_interthread_info);
2869         return 0;
2870 }
2871
2872 gint
2873 Editor::freeze_progress_timeout (void *arg)
2874 {
2875         interthread_progress_bar.set_fraction (current_interthread_info->progress/100);
2876         return !(current_interthread_info->done || current_interthread_info->cancel);
2877 }
2878
2879 void
2880 Editor::freeze_route ()
2881 {
2882         if (clicked_audio_trackview == 0 || !clicked_audio_trackview->is_audio_track()) {
2883                 return;
2884         }
2885
2886         InterThreadInfo itt;
2887
2888         if (interthread_progress_window == 0) {
2889                 build_interthread_progress_window ();
2890         }
2891
2892         interthread_progress_window->set_title (_("ardour: freeze"));
2893         interthread_progress_window->set_position (Gtk::WIN_POS_MOUSE);
2894         interthread_progress_window->show_all ();
2895         interthread_progress_bar.set_fraction (0.0f);
2896         interthread_progress_label.set_text ("");
2897         interthread_cancel_label.set_text (_("Cancel Freeze"));
2898         current_interthread_info = &itt;
2899
2900         interthread_progress_connection =
2901           Glib::signal_timeout().connect (bind (mem_fun(*this, &Editor::freeze_progress_timeout), (gpointer) 0), 100);
2902
2903         itt.done = false;
2904         itt.cancel = false;
2905         itt.progress = 0.0f;
2906
2907         pthread_create (&itt.thread, 0, _freeze_thread, this);
2908
2909         track_canvas.get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
2910
2911         while (!itt.done && !itt.cancel) {
2912                 gtk_main_iteration ();
2913         }
2914
2915         interthread_progress_connection.disconnect ();
2916         interthread_progress_window->hide_all ();
2917         current_interthread_info = 0;
2918         track_canvas.get_window()->set_cursor (*current_canvas_cursor);
2919 }
2920
2921 void
2922 Editor::bounce_range_selection ()
2923 {
2924         if (selection->time.empty()) {
2925                 return;
2926         }
2927
2928         TrackViewList *views = get_valid_views (selection->time.track, selection->time.group);
2929
2930         jack_nframes_t start = selection->time[clicked_selection].start;
2931         jack_nframes_t end = selection->time[clicked_selection].end;
2932         jack_nframes_t cnt = end - start + 1;
2933
2934         begin_reversible_command (_("bounce range"));
2935
2936         for (TrackViewList::iterator i = views->begin(); i != views->end(); ++i) {
2937
2938                 AudioTimeAxisView* atv;
2939
2940                 if ((atv = dynamic_cast<AudioTimeAxisView*> (*i)) == 0) {
2941                         continue;
2942                 }
2943
2944                 Playlist* playlist;
2945
2946                 if ((playlist = atv->playlist()) == 0) {
2947                         return;
2948                 }
2949
2950                 InterThreadInfo itt;
2951
2952                 itt.done = false;
2953                 itt.cancel = false;
2954                 itt.progress = false;
2955
2956                 session->add_undo (playlist->get_memento());
2957                 atv->audio_track()->bounce_range (start, cnt, itt);
2958                 session->add_redo_no_execute (playlist->get_memento());
2959         }
2960
2961         commit_reversible_command ();
2962
2963         delete views;
2964 }
2965
2966 void
2967 Editor::cut ()
2968 {
2969         cut_copy (Cut);
2970 }
2971
2972 void
2973 Editor::copy ()
2974 {
2975         cut_copy (Copy);
2976 }
2977
2978 void
2979 Editor::cut_copy (CutCopyOp op)
2980 {
2981         /* only cancel selection if cut/copy is successful.*/
2982
2983         string opname;
2984
2985         switch (op) {
2986         case Cut:
2987                 opname = _("cut");
2988                 break;
2989         case Copy:
2990                 opname = _("copy");
2991                 break;
2992         case Clear:
2993                 opname = _("clear");
2994                 break;
2995         }
2996
2997         cut_buffer->clear ();
2998
2999         switch (current_mouse_mode()) {
3000         case MouseObject:
3001                 if (!selection->audio_regions.empty() || !selection->points.empty()) {
3002
3003                         begin_reversible_command (opname + _(" objects"));
3004
3005                         if (!selection->audio_regions.empty()) {
3006
3007                                 cut_copy_regions (op);
3008
3009                                 if (op == Cut) {
3010                                         selection->clear_audio_regions ();
3011                                 }
3012                         }
3013
3014                         if (!selection->points.empty()) {
3015                                 cut_copy_points (op);
3016
3017                                 if (op == Cut) {
3018                                         selection->clear_points ();
3019                                 }
3020                         }
3021
3022                         commit_reversible_command ();
3023                 }
3024                 break;
3025
3026         case MouseRange:
3027                 if (!selection->time.empty()) {
3028
3029                         begin_reversible_command (opname + _(" range"));
3030                         cut_copy_ranges (op);
3031                         commit_reversible_command ();
3032
3033                         if (op == Cut) {
3034                                 selection->clear_time ();
3035                         }
3036
3037                 }
3038                 break;
3039
3040         default:
3041                 break;
3042         }
3043 }
3044
3045 void
3046 Editor::cut_copy_points (CutCopyOp op)
3047 {
3048         for (PointSelection::iterator i = selection->points.begin(); i != selection->points.end(); ++i) {
3049
3050                 AutomationTimeAxisView* atv = dynamic_cast<AutomationTimeAxisView*>(&(*i).track);
3051
3052                 if (atv) {
3053                         atv->cut_copy_clear_objects (selection->points, op);
3054                 }
3055         }
3056 }
3057
3058 void
3059 Editor::cut_copy_regions (CutCopyOp op)
3060 {
3061         typedef std::map<AudioPlaylist*,AudioPlaylist*> PlaylistMapping;
3062         PlaylistMapping pmap;
3063         jack_nframes_t first_position = max_frames;
3064         set<Playlist*> freezelist;
3065         pair<set<Playlist*>::iterator,bool> insert_result;
3066
3067         for (AudioRegionSelection::iterator x = selection->audio_regions.begin(); x != selection->audio_regions.end(); ++x) {
3068                 first_position = min ((*x)->region.position(), first_position);
3069
3070                 if (op == Cut || op == Clear) {
3071                         AudioPlaylist *pl = dynamic_cast<AudioPlaylist*>((*x)->region.playlist());
3072                         if (pl) {
3073                                 insert_result = freezelist.insert (pl);
3074                                 if (insert_result.second) {
3075                                         pl->freeze ();
3076                                         session->add_undo (pl->get_memento());
3077                                 }
3078                         }
3079                 }
3080         }
3081
3082         for (AudioRegionSelection::iterator x = selection->audio_regions.begin(); x != selection->audio_regions.end(); ) {
3083
3084                 AudioPlaylist *pl = dynamic_cast<AudioPlaylist*>((*x)->region.playlist());
3085                 AudioPlaylist* npl;
3086                 AudioRegionSelection::iterator tmp;
3087
3088                 tmp = x;
3089                 ++tmp;
3090
3091                 if (pl) {
3092
3093                         PlaylistMapping::iterator pi = pmap.find (pl);
3094
3095                         if (pi == pmap.end()) {
3096                                 npl = new AudioPlaylist (*session, "cutlist", true);
3097                                 npl->freeze();
3098                                 pmap[pl] = npl;
3099                         } else {
3100                                 npl = pi->second;
3101                         }
3102
3103                         switch (op) {
3104                         case Cut:
3105                                 npl->add_region (*(new AudioRegion ((*x)->region)), (*x)->region.position() - first_position);
3106                                 pl->remove_region (&((*x)->region));
3107                                 break;
3108
3109                         case Copy:
3110                                 npl->add_region (*(new AudioRegion ((*x)->region)), (*x)->region.position() - first_position);
3111                                 break;
3112
3113                         case Clear:
3114                                 pl->remove_region (&((*x)->region));
3115                                 break;
3116                         }
3117                 }
3118
3119                 x = tmp;
3120         }
3121
3122         list<Playlist*> foo;
3123
3124         for (PlaylistMapping::iterator i = pmap.begin(); i != pmap.end(); ++i) {
3125                 foo.push_back (i->second);
3126         }
3127
3128         if (!foo.empty()) {
3129                 cut_buffer->set (foo);
3130         }
3131
3132         for (set<Playlist*>::iterator pl = freezelist.begin(); pl != freezelist.end(); ++pl) {
3133                 (*pl)->thaw ();
3134                 session->add_redo_no_execute ((*pl)->get_memento());
3135         }
3136 }
3137
3138 void
3139 Editor::cut_copy_ranges (CutCopyOp op)
3140 {
3141         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3142                 (*i)->cut_copy_clear (*selection, op);
3143         }
3144 }
3145
3146 void
3147 Editor::paste (float times)
3148 {
3149         paste_internal (edit_cursor->current_frame, times);
3150 }
3151
3152 void
3153 Editor::mouse_paste ()
3154 {
3155         int x, y;
3156         double wx, wy;
3157         track_canvas.get_pointer (x, y);
3158         track_canvas.window_to_world (x, y, wx, wy);
3159         GdkEvent event;
3160         event.type = GDK_BUTTON_RELEASE;
3161         event.button.x = wx;
3162         event.button.y = wy;
3163
3164         jack_nframes_t where = event_frame (&event, 0, 0);
3165         snap_to (where);
3166         paste_internal (where, 1);
3167 }
3168
3169 void
3170 Editor::paste_internal (jack_nframes_t position, float times)
3171 {
3172         bool commit = false;
3173
3174         if (cut_buffer->empty() || selection->tracks.empty()) {
3175                 return;
3176         }
3177
3178         if (position == max_frames) {
3179                 position = edit_cursor->current_frame;
3180         }
3181
3182         begin_reversible_command (_("paste"));
3183
3184         TrackSelection::iterator i;
3185         size_t nth;
3186
3187         for (nth = 0, i = selection->tracks.begin(); i != selection->tracks.end(); ++i, ++nth) {
3188
3189                 /* undo/redo is handled by individual tracks */
3190
3191                 if ((*i)->paste (position, times, *cut_buffer, nth)) {
3192                         commit = true;
3193                 }
3194         }
3195
3196         if (commit) {
3197                 commit_reversible_command ();
3198         }
3199 }
3200
3201 void
3202 Editor::paste_named_selection (float times)
3203 {
3204         TrackSelection::iterator t;
3205
3206         Glib::RefPtr<TreeSelection> selected = named_selection_display.get_selection();
3207
3208         if (selected->count_selected_rows() != 1 || selection->tracks.empty()) {
3209                 return;
3210         }
3211
3212         TreeModel::iterator i = selected->get_selected();
3213         NamedSelection* ns = (*i)[named_selection_columns.selection];
3214
3215         list<Playlist*>::iterator chunk;
3216         list<Playlist*>::iterator tmp;
3217
3218         chunk = ns->playlists.begin();
3219
3220         begin_reversible_command (_("paste chunk"));
3221
3222         for (t = selection->tracks.begin(); t != selection->tracks.end(); ++t) {
3223
3224                 AudioTimeAxisView* atv;
3225                 Playlist* pl;
3226                 AudioPlaylist* apl;
3227
3228                 if ((atv = dynamic_cast<AudioTimeAxisView*> (*t)) == 0) {
3229                         continue;
3230                 }
3231
3232                 if ((pl = atv->playlist()) == 0) {
3233                         continue;
3234                 }
3235
3236                 if ((apl = dynamic_cast<AudioPlaylist*> (pl)) == 0) {
3237                         continue;
3238                 }
3239
3240                 tmp = chunk;
3241                 ++tmp;
3242
3243                 session->add_undo (apl->get_memento());
3244                 apl->paste (**chunk, edit_cursor->current_frame, times);
3245                 session->add_redo_no_execute (apl->get_memento());
3246
3247                 if (tmp != ns->playlists.end()) {
3248                         chunk = tmp;
3249                 }
3250         }
3251
3252         commit_reversible_command();
3253 }
3254
3255 void
3256 Editor::duplicate_some_regions (AudioRegionSelection& regions, float times)
3257 {
3258         Playlist *playlist;
3259
3260         begin_reversible_command (_("duplicate region"));
3261
3262         for (AudioRegionSelection::iterator i = regions.begin(); i != regions.end(); ++i) {
3263
3264                 Region& r ((*i)->region);
3265
3266                 playlist = (*i)->region.playlist();
3267                 session->add_undo (playlist->get_memento());
3268                 playlist->duplicate (r, r.last_frame(), times);
3269                 session->add_redo_no_execute (playlist->get_memento());
3270
3271         }
3272
3273         commit_reversible_command ();
3274 }
3275
3276 void
3277 Editor::duplicate_selection (float times)
3278 {
3279         if (selection->time.empty() || selection->tracks.empty()) {
3280                 return;
3281         }
3282
3283         Playlist *playlist;
3284         vector<AudioRegion*> new_regions;
3285         vector<AudioRegion*>::iterator ri;
3286
3287         create_region_from_selection (new_regions);
3288
3289         if (new_regions.empty()) {
3290                 return;
3291         }
3292
3293         begin_reversible_command (_("duplicate selection"));
3294
3295         ri = new_regions.begin();
3296
3297         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3298                 if ((playlist = (*i)->playlist()) == 0) {
3299                         continue;
3300                 }
3301                 session->add_undo (playlist->get_memento());
3302                 playlist->duplicate (**ri, selection->time[clicked_selection].end, times);
3303                 session->add_redo_no_execute (playlist->get_memento());
3304
3305                 ++ri;
3306                 if (ri == new_regions.end()) {
3307                         --ri;
3308                 }
3309         }
3310
3311         commit_reversible_command ();
3312 }
3313
3314 void
3315 Editor::center_playhead ()
3316 {
3317         float page = canvas_width * frames_per_unit;
3318
3319         center_screen_internal (playhead_cursor->current_frame, page);
3320 }
3321
3322 void
3323 Editor::center_edit_cursor ()
3324 {
3325         float page = canvas_width * frames_per_unit;
3326
3327         center_screen_internal (edit_cursor->current_frame, page);
3328 }
3329
3330 void
3331 Editor::clear_playlist (Playlist& playlist)
3332 {
3333         begin_reversible_command (_("clear playlist"));
3334         session->add_undo (playlist.get_memento());
3335         playlist.clear ();
3336         session->add_redo_no_execute (playlist.get_memento());
3337         commit_reversible_command ();
3338 }
3339
3340 void
3341 Editor::nudge_track (bool use_edit_cursor, bool forwards)
3342 {
3343         Playlist *playlist;
3344         jack_nframes_t distance;
3345         jack_nframes_t next_distance;
3346         jack_nframes_t start;
3347
3348         if (use_edit_cursor) {
3349                 start = edit_cursor->current_frame;
3350         } else {
3351                 start = 0;
3352         }
3353
3354         if ((distance = get_nudge_distance (start, next_distance)) == 0) {
3355                 return;
3356         }
3357
3358         if (selection->tracks.empty()) {
3359                 return;
3360         }
3361
3362         begin_reversible_command (_("nudge track"));
3363
3364         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3365
3366                 if ((playlist = (*i)->playlist()) == 0) {
3367                         continue;
3368                 }
3369
3370                 session->add_undo (playlist->get_memento());
3371                 playlist->nudge_after (start, distance, forwards);
3372                 session->add_redo_no_execute (playlist->get_memento());
3373         }
3374
3375         commit_reversible_command ();
3376 }
3377
3378 void
3379 Editor::toggle_xfades_active ()
3380 {
3381         if (session) {
3382                 session->set_crossfades_active (!session->get_crossfades_active());
3383         }
3384 }
3385
3386 void
3387 Editor::toggle_follow_playhead ()
3388 {
3389         set_follow_playhead (!_follow_playhead);
3390 }
3391
3392 void
3393 Editor::set_xfade_visibility (bool yn)
3394 {
3395
3396 }
3397
3398 void
3399 Editor::toggle_xfade_visibility ()
3400 {
3401         set_xfade_visibility (!xfade_visibility());
3402 }
3403
3404 void
3405 Editor::remove_last_capture ()
3406 {
3407         vector<string> choices;
3408         string prompt;
3409
3410         if (!session) {
3411                 return;
3412         }
3413
3414         if (Config->get_verify_remove_last_capture()) {
3415                 prompt  = _("Do you really want to destroy the last capture?"
3416                             "\n(This is destructive and cannot be undone)");
3417
3418                 choices.push_back (_("Yes, destroy it."));
3419                 choices.push_back (_("No, do nothing."));
3420
3421                 Gtkmm2ext::Choice prompter (prompt, choices);
3422                 prompter.chosen.connect (ptr_fun (Main::quit));
3423                 prompter.show_all ();
3424
3425                 Main::run ();
3426
3427                 if (prompter.get_choice() == 0) {
3428                         session->remove_last_capture ();
3429                 }
3430
3431         } else {
3432                 session->remove_last_capture();
3433         }
3434 }
3435
3436 void
3437 Editor::normalize_region ()
3438 {
3439         if (!session) {
3440                 return;
3441         }
3442
3443         if (selection->audio_regions.empty()) {
3444                 return;
3445         }
3446
3447         begin_reversible_command (_("normalize"));
3448
3449         track_canvas.get_window()->set_cursor (*wait_cursor);
3450         gdk_flush ();
3451
3452         for (AudioRegionSelection::iterator r = selection->audio_regions.begin(); r != selection->audio_regions.end(); ++r) {
3453                 session->add_undo ((*r)->region.get_memento());
3454                 (*r)->region.normalize_to (0.0f);
3455                 session->add_redo_no_execute ((*r)->region.get_memento());
3456         }
3457
3458         commit_reversible_command ();
3459         track_canvas.get_window()->set_cursor (*current_canvas_cursor);
3460 }
3461
3462
3463 void
3464 Editor::denormalize_region ()
3465 {
3466         if (!session) {
3467                 return;
3468         }
3469
3470         if (selection->audio_regions.empty()) {
3471                 return;
3472         }
3473
3474         begin_reversible_command ("denormalize");
3475
3476         for (AudioRegionSelection::iterator r = selection->audio_regions.begin(); r != selection->audio_regions.end(); ++r) {
3477                 session->add_undo ((*r)->region.get_memento());
3478                 (*r)->region.set_scale_amplitude (1.0f);
3479                 session->add_redo_no_execute ((*r)->region.get_memento());
3480         }
3481
3482         commit_reversible_command ();
3483 }
3484
3485
3486 void
3487 Editor::reverse_region ()
3488 {
3489         if (!session) {
3490                 return;
3491         }
3492
3493         Reverse rev (*session);
3494         apply_filter (rev, _("reverse regions"));
3495 }
3496
3497 void
3498 Editor::apply_filter (AudioFilter& filter, string command)
3499 {
3500         if (selection->audio_regions.empty()) {
3501                 return;
3502         }
3503
3504         begin_reversible_command (command);
3505
3506         track_canvas.get_window()->set_cursor (*wait_cursor);
3507         gdk_flush ();
3508
3509         for (AudioRegionSelection::iterator r = selection->audio_regions.begin(); r != selection->audio_regions.end(); ) {
3510
3511                 AudioRegion& region ((*r)->region);
3512                 Playlist* playlist = region.playlist();
3513
3514                 AudioRegionSelection::iterator tmp;
3515
3516                 tmp = r;
3517                 ++tmp;
3518
3519                 if (region.apply (filter) == 0) {
3520
3521                         session->add_undo (playlist->get_memento());
3522                         playlist->replace_region (region, *(filter.results.front()), region.position());
3523                         session->add_redo_no_execute (playlist->get_memento());
3524                 } else {
3525                         goto out;
3526                 }
3527
3528                 r = tmp;
3529         }
3530
3531         commit_reversible_command ();
3532         selection->audio_regions.clear ();
3533
3534   out:
3535         track_canvas.get_window()->set_cursor (*current_canvas_cursor);
3536 }
3537
3538 void
3539 Editor::region_selection_op (void (Region::*pmf)(void))
3540 {
3541         for (AudioRegionSelection::iterator i = selection->audio_regions.begin(); i != selection->audio_regions.end(); ++i) {
3542                 ((*i)->region.*pmf)();
3543         }
3544 }
3545
3546
3547 void
3548 Editor::region_selection_op (void (Region::*pmf)(void*), void *arg)
3549 {
3550         for (AudioRegionSelection::iterator i = selection->audio_regions.begin(); i != selection->audio_regions.end(); ++i) {
3551                 ((*i)->region.*pmf)(arg);
3552         }
3553 }
3554
3555 void
3556 Editor::region_selection_op (void (Region::*pmf)(bool), bool yn)
3557 {
3558         for (AudioRegionSelection::iterator i = selection->audio_regions.begin(); i != selection->audio_regions.end(); ++i) {
3559                 ((*i)->region.*pmf)(yn);
3560         }
3561 }
3562
3563 void
3564 Editor::external_edit_region ()
3565 {
3566         if (!clicked_regionview) {
3567                 return;
3568         }
3569
3570         /* more to come */
3571 }
3572
3573 void
3574 Editor::brush (jack_nframes_t pos)
3575 {
3576         AudioRegionSelection sel;
3577         snap_to (pos);
3578
3579         if (selection->audio_regions.empty()) {
3580                 /* XXX get selection from region list */
3581         } else {
3582                 sel = selection->audio_regions;
3583         }
3584
3585         if (sel.empty()) {
3586                 return;
3587         }
3588
3589         for (AudioRegionSelection::iterator i = selection->audio_regions.begin(); i != selection->audio_regions.end(); ++i) {
3590                 mouse_brush_insert_region ((*i), pos);
3591         }
3592 }
3593
3594 void
3595 Editor::toggle_gain_envelope_visibility ()
3596 {
3597         for (AudioRegionSelection::iterator i = selection->audio_regions.begin(); i != selection->audio_regions.end(); ++i) {
3598                 (*i)->set_envelope_visible (!(*i)->envelope_visible());
3599         }
3600 }
3601
3602 void
3603 Editor::toggle_gain_envelope_active ()
3604 {
3605         for (AudioRegionSelection::iterator i = selection->audio_regions.begin(); i != selection->audio_regions.end(); ++i) {
3606                 AudioRegion* ar = dynamic_cast<AudioRegion*>(&(*i)->region);
3607                 if (ar) {
3608                         ar->set_envelope_active (true);
3609                 }
3610         }
3611 }