cinelerra/mwindowmove.C

   1 #include "automation.h"
   2 #include "clip.h"
   3 #include "cplayback.h"
   4 #include "cwindow.h"
   5 #include "cwindowgui.h"
   6 #include "edits.h"
   7 #include "edl.h"
   8 #include "edlsession.h"
   9 #include "labels.h"
  10 #include "localsession.h"
  11 #include "maincursor.h"
  12 #include "mainsession.h"
  13 #include "mtimebar.h"
  14 #include "mwindow.h"
  15 #include "mwindowgui.h"
  16 #include "patchbay.h"
  17 #include "playbackengine.h"
  18 #include "plugin.h"
  19 #include "samplescroll.h"
  20 #include "trackcanvas.h"
  21 #include "tracks.h"
  22 #include "transportque.h"
  23 #include "zoombar.h"
  24
  25
  26 void MWindow::update_plugins()
  27 {
  28 // Show plugins which are visible and hide plugins which aren't
  29 // Update plugin pointers in plugin servers
  30 }
  31
  32
  33 int MWindow::expand_sample(double fixed_sample)
  34 {
  35         if(gui)
  36         {
  37                 if(edl->local_session->zoom_sample < 0x100000)
  38                 {
  39                         int64_t new_zoom_sample = edl->local_session->zoom_sample * 2;
  40                         int64_t view_start;
  41                         if (fixed_sample < 0)
  42                                 view_start = -1;
  43                         else
  44                         {
  45                                 double viewstart_position = (double)edl->local_session->view_start *
  46                                         edl->local_session->zoom_sample /
  47                                         edl->session->sample_rate * 2 - fixed_sample;
  48                                 view_start = Units::round(viewstart_position *
  49                                         edl->session->sample_rate /
  50                                         new_zoom_sample);
  51                         }
  52
  53                         zoom_sample(new_zoom_sample, view_start);
  54                 }
  55         }
  56         return 0;
  57 }
  58
  59 int MWindow::zoom_in_sample(double fixed_sample)
  60 {
  61         if(gui)
  62         {
  63                 if(edl->local_session->zoom_sample > 1)
  64                 {
  65                         int64_t new_zoom_sample = edl->local_session->zoom_sample / 2;
  66                         int64_t view_start;
  67                         if (fixed_sample < 0)
  68                                 view_start = -1;
  69                         else
  70                         {
  71                                 double viewstart_position = (double)edl->local_session->view_start *
  72                                         edl->local_session->zoom_sample /
  73                                         edl->session->sample_rate;
  74                                 viewstart_position = viewstart_position + (fixed_sample - viewstart_position) / 2;
  75
  76                                 view_start = Units::round(viewstart_position *
  77                                         edl->session->sample_rate /
  78                                         new_zoom_sample);
  79                         }
  80
  81                         zoom_sample(new_zoom_sample, view_start);
  82                 }
  83         }
  84         return 0;
  85 }
  86
  87 int MWindow::zoom_sample(int64_t zoom_sample, int64_t view_start)
  88 {
  89         CLIP(zoom_sample, 1, 0x100000);
  90         edl->local_session->zoom_sample = zoom_sample;
  91         if (view_start < 0)
  92                 find_cursor();
  93         else
  94                 edl->local_session->view_start = view_start;
  95
  96         gui->get_scrollbars();
  97
  98         if(!gui->samplescroll) edl->local_session->view_start = 0;
  99         samplemovement(edl->local_session->view_start);
 100         gui->zoombar->sample_zoom->update(zoom_sample);
 101         return 0;
 102 }
 103
 104 void MWindow::find_cursor()
 105 {
 106 //      if((edl->local_session->selectionend >
 107 //              (double)gui->canvas->get_w() *
 108 //              edl->local_session->zoom_sample /
 109 //              edl->session->sample_rate) ||
 110 //              (edl->local_session->selectionstart >
 111 //              (double)gui->canvas->get_w() *
 112 //              edl->local_session->zoom_sample /
 113 //              edl->session->sample_rate))
 114 //      {
 115                 edl->local_session->view_start =
 116                         Units::round((edl->local_session->get_selectionend(1) +
 117                         edl->local_session->get_selectionstart(1)) /
 118                         2 *
 119                         edl->session->sample_rate /
 120                         edl->local_session->zoom_sample -
 121                         (double)gui->canvas->get_w() /
 122                         2);
 123 //      }
 124 //      else
 125 //              edl->local_session->view_start = 0;
 126
 127 //printf("MWindow::find_cursor %f\n", edl->local_session->view_start);
 128         if(edl->local_session->view_start < 0) edl->local_session->view_start = 0;
 129 }
 130
 131
 132 void MWindow::fit_selection()
 133 {
 134         if(EQUIV(edl->local_session->get_selectionstart(1),
 135                 edl->local_session->get_selectionend(1)))
 136         {
 137                 double total_samples = edl->tracks->total_length() *
 138                         edl->session->sample_rate;
 139                 for(edl->local_session->zoom_sample = 1;
 140                         gui->canvas->get_w() * edl->local_session->zoom_sample < total_samples;
 141                         edl->local_session->zoom_sample *= 2)
 142                         ;
 143         }
 144         else
 145         {
 146                 double total_samples = (edl->local_session->get_selectionend(1) -
 147                         edl->local_session->get_selectionstart(1)) *
 148                         edl->session->sample_rate;
 149                 for(edl->local_session->zoom_sample = 1;
 150                         gui->canvas->get_w() * edl->local_session->zoom_sample < total_samples;
 151                         edl->local_session->zoom_sample *= 2)
 152                         ;
 153         }
 154
 155         edl->local_session->zoom_sample = MIN(0x100000,
 156                 edl->local_session->zoom_sample);
 157         zoom_sample(edl->local_session->zoom_sample);
 158 }
 159
 160
 161 void MWindow::fit_autos(int doall)
 162 {
 163         float min = 0, max = 0;
 164         double start, end;
 165
 166 // Test all autos
 167         if(EQUIV(edl->local_session->get_selectionstart(1),
 168                 edl->local_session->get_selectionend(1)))
 169         {
 170                 start = 0;
 171                 end = edl->tracks->total_length();
 172         }
 173         else
 174 // Test autos in highlighting only
 175         {
 176                 start = edl->local_session->get_selectionstart(1);
 177                 end = edl->local_session->get_selectionend(1);
 178         }
 179
 180         int forstart = edl->local_session->zoombar_showautotype;
 181         int forend   = edl->local_session->zoombar_showautotype + 1;
 182
 183         if (doall) {
 184                 forstart = 0;
 185                 forstart = AUTOGROUPTYPE_COUNT;
 186         }
 187
 188         for (int i = forstart; i < forend; i++)
 189         {
 190 // Adjust min and max
 191                 edl->tracks->get_automation_extents(&min, &max, start, end, i);
 192 //printf("MWindow::fit_autos %d %f %f results in ", i, min, max);
 193
 194                 float range = max - min;
 195                 switch (i)
 196                 {
 197                 case AUTOGROUPTYPE_AUDIO_FADE:
 198                 case AUTOGROUPTYPE_VIDEO_FADE:
 199                         if (range < 0.1) {
 200                                 min = MIN(min, edl->local_session->automation_mins[i]);
 201                                 max = MAX(max, edl->local_session->automation_maxs[i]);
 202                         }
 203                         break;
 204                 case AUTOGROUPTYPE_ZOOM:
 205                         if (range < 0.001) {
 206                                 min = floor(min*50)/100;
 207                                 max = floor(max*200)/100;
 208                         }
 209                         break;
 210                 case AUTOGROUPTYPE_X:
 211                 case AUTOGROUPTYPE_Y:
 212                         if (range < 5) {
 213                                 min = floor((min+max)/2) - 50;
 214                                 max = floor((min+max)/2) + 50;
 215                         }
 216                         break;
 217                 }
 218 //printf("%f %f\n", min, max);
 219                 if (!Automation::autogrouptypes_fixedrange[i])
 220                 {
 221                         edl->local_session->automation_mins[i] = min;
 222                         edl->local_session->automation_maxs[i] = max;
 223                 }
 224         }
 225
 226 // Show range in zoombar
 227         gui->zoombar->update();
 228
 229 // Draw
 230         gui->canvas->draw_overlays();
 231         gui->canvas->flash();
 232 }
 233
 234
 235 void MWindow::change_currentautorange(int autogrouptype, int increment, int changemax) {
 236         float val;
 237         if (changemax) {
 238                 val = edl->local_session->automation_maxs[autogrouptype];
 239         } else {
 240                 val = edl->local_session->automation_mins[autogrouptype];
 241         }
 242
 243         if (increment)
 244         {
 245                 switch (autogrouptype) {
 246                 case AUTOGROUPTYPE_AUDIO_FADE:
 247                         val += 2;
 248                         break;
 249                 case AUTOGROUPTYPE_VIDEO_FADE:
 250                         val += 1;
 251                         if (val < 0) val = 0;
 252                         break;
 253                 case AUTOGROUPTYPE_ZOOM:
 254                         if (val == 0)
 255                                 val = 0.001;
 256                         else
 257                                 val = val*2;
 258                         break;
 259                 case AUTOGROUPTYPE_X:
 260                 case AUTOGROUPTYPE_Y:
 261                         val = floor(val + 5);
 262                         break;
 263                 }
 264         }
 265         else
 266         { // decrement
 267                 switch (autogrouptype) {
 268                 case AUTOGROUPTYPE_AUDIO_FADE:
 269                         val -= 2;
 270                         break;
 271                 case AUTOGROUPTYPE_VIDEO_FADE:
 272                         val -= 1;
 273                         if (val < 0) val = 0;
 274                         break;
 275                 case AUTOGROUPTYPE_ZOOM:
 276                         if (val > 0) val = val/2;
 277                         if (val < 0) val = 0;
 278                         break;
 279                 case AUTOGROUPTYPE_X:
 280                 case AUTOGROUPTYPE_Y:
 281                         val = floor(val-5);
 282                         break;
 283                 }
 284         }
 285
 286
 287         if (changemax) {
 288                 if (val > edl->local_session->automation_mins[autogrouptype])
 289                         edl->local_session->automation_maxs[autogrouptype] = val;
 290         }
 291         else
 292         {
 293                 if (val < edl->local_session->automation_maxs[autogrouptype])
 294                         edl->local_session->automation_mins[autogrouptype] = val;
 295         }
 296 }
 297
 298
 299 void MWindow::expand_autos(int changeall, int domin, int domax)
 300 {
 301         if (changeall)
 302                 for (int i = 0; i < AUTOGROUPTYPE_COUNT; i++) {
 303                         if (domin) change_currentautorange(i, 1, 0);
 304                         if (domax) change_currentautorange(i, 1, 1);
 305                 }
 306         else
 307         {
 308                 if (domin) change_currentautorange(edl->local_session->zoombar_showautotype, 1, 0);
 309                 if (domax) change_currentautorange(edl->local_session->zoombar_showautotype, 1, 1);
 310         }
 311         gui->zoombar->update_autozoom();
 312         gui->canvas->draw_overlays();
 313         gui->canvas->flash();
 314 }
 315
 316 void MWindow::shrink_autos(int changeall, int domin, int domax)
 317 {
 318         if (changeall)
 319                 for (int i = 0; i < AUTOGROUPTYPE_COUNT; i++) {
 320                         if (domin) change_currentautorange(i, 0, 0);
 321                         if (domax) change_currentautorange(i, 0, 1);
 322                 }
 323         else
 324         {
 325                 if (domin) change_currentautorange(edl->local_session->zoombar_showautotype, 0, 0);
 326                 if (domax) change_currentautorange(edl->local_session->zoombar_showautotype, 0, 1);
 327         }
 328         gui->zoombar->update_autozoom();
 329         gui->canvas->draw_overlays();
 330         gui->canvas->flash();
 331 }
 332
 333
 334 void MWindow::zoom_amp(int64_t zoom_amp)
 335 {
 336         edl->local_session->zoom_y = zoom_amp;
 337         gui->canvas->draw(0, 0);
 338         gui->canvas->flash();
 339         gui->patchbay->update();
 340         gui->flush();
 341 }
 342
 343 void MWindow::zoom_track(int64_t zoom_track)
 344 {
 345         edl->local_session->zoom_y = (int64_t)((float)edl->local_session->zoom_y *
 346                 zoom_track /
 347                 edl->local_session->zoom_track);
 348         CLAMP(edl->local_session->zoom_y, MIN_AMP_ZOOM, MAX_AMP_ZOOM);
 349         edl->local_session->zoom_track = zoom_track;
 350         trackmovement(edl->local_session->track_start);
 351 //printf("MWindow::zoom_track %d %d\n", edl->local_session->zoom_y, edl->local_session->zoom_track);
 352 }
 353
 354 void MWindow::trackmovement(int track_start)
 355 {
 356         edl->local_session->track_start = track_start;
 357         if(edl->local_session->track_start < 0) edl->local_session->track_start = 0;
 358         edl->tracks->update_y_pixels(theme);
 359         gui->get_scrollbars();
 360         gui->canvas->draw(0, 0);
 361         gui->patchbay->update();
 362         gui->canvas->flash();
 363         gui->flush();
 364 }
 365
 366 void MWindow::move_up(int64_t distance)
 367 {
 368         if(!gui->trackscroll) return;
 369         if(distance == 0) distance = edl->local_session->zoom_track;
 370         edl->local_session->track_start -= distance;
 371         trackmovement(edl->local_session->track_start);
 372 }
 373
 374 void MWindow::move_down(int64_t distance)
 375 {
 376         if(!gui->trackscroll) return;
 377         if(distance == 0) distance = edl->local_session->zoom_track;
 378         edl->local_session->track_start += distance;
 379         trackmovement(edl->local_session->track_start);
 380 }
 381
 382 int MWindow::goto_end()
 383 {
 384         int64_t old_view_start = edl->local_session->view_start;
 385
 386         if(edl->tracks->total_length() > (double)gui->canvas->get_w() *
 387                 edl->local_session->zoom_sample /
 388                 edl->session->sample_rate)
 389         {
 390                 edl->local_session->view_start =
 391                         Units::round(edl->tracks->total_length() *
 392                                 edl->session->sample_rate /
 393                                 edl->local_session->zoom_sample -
 394                                 gui->canvas->get_w() /
 395                                 2);
 396         }
 397         else
 398         {
 399                 edl->local_session->view_start = 0;
 400         }
 401
 402         if(gui->shift_down())
 403         {
 404                 edl->local_session->set_selectionend(edl->tracks->total_length());
 405         }
 406         else
 407         {
 408                 edl->local_session->set_selectionstart(edl->tracks->total_length());
 409                 edl->local_session->set_selectionend(edl->tracks->total_length());
 410         }
 411
 412         if(edl->local_session->view_start != old_view_start)
 413                 samplemovement(edl->local_session->view_start);
 414
 415         update_plugin_guis();
 416         gui->patchbay->update();
 417         gui->cursor->update();
 418         gui->canvas->activate();
 419         gui->zoombar->update();
 420         cwindow->update(1, 0, 0, 0, 0);
 421         return 0;
 422 }
 423
 424 int MWindow::goto_start()
 425 {
 426         int64_t old_view_start = edl->local_session->view_start;
 427
 428         edl->local_session->view_start = 0;
 429         if(gui->shift_down())
 430         {
 431                 edl->local_session->set_selectionstart(0);
 432         }
 433         else
 434         {
 435                 edl->local_session->set_selectionstart(0);
 436                 edl->local_session->set_selectionend(0);
 437         }
 438
 439         if(edl->local_session->view_start != old_view_start)
 440                 samplemovement(edl->local_session->view_start);
 441
 442         update_plugin_guis();
 443         gui->patchbay->update();
 444         gui->cursor->update();
 445         gui->canvas->activate();
 446         gui->zoombar->update();
 447         cwindow->update(1, 0, 0, 0, 0);
 448         return 0;
 449 }
 450
 451 int MWindow::samplemovement(int64_t view_start)
 452 {
 453         edl->local_session->view_start = view_start;
 454         if(edl->local_session->view_start < 0) edl->local_session->view_start = 0;
 455         gui->canvas->draw();
 456         gui->cursor->show();
 457         gui->canvas->flash();
 458         gui->timebar->update();
 459         gui->zoombar->update();
 460
 461         if(gui->samplescroll) gui->samplescroll->set_position();
 462         return 0;
 463 }
 464
 465 int MWindow::move_left(int64_t distance)
 466 {
 467         if(!distance)
 468                 distance = gui->canvas->get_w() /
 469                         10;
 470         edl->local_session->view_start -= distance;
 471         if(edl->local_session->view_start < 0) edl->local_session->view_start = 0;
 472         samplemovement(edl->local_session->view_start);
 473         return 0;
 474 }
 475
 476 int MWindow::move_right(int64_t distance)
 477 {
 478         if(!distance)
 479                 distance = gui->canvas->get_w() /
 480                         10;
 481         edl->local_session->view_start += distance;
 482         samplemovement(edl->local_session->view_start);
 483         return 0;
 484 }
 485
 486 void MWindow::select_all()
 487 {
 488         edl->local_session->set_selectionstart(0);
 489         edl->local_session->set_selectionend(edl->tracks->total_length());
 490         gui->update(0, 1, 1, 1, 0, 1, 0);
 491         gui->canvas->activate();
 492         cwindow->update(1, 0, 0);
 493 }
 494
 495 int MWindow::next_label(int shift_down)
 496 {
 497         Label *current = edl->labels->next_label(
 498                         edl->local_session->get_selectionstart(1));
 499
 500         if(current)
 501         {
 502
 503                 edl->local_session->set_selectionend(current->position);
 504                 if(!shift_down)
 505                         edl->local_session->set_selectionstart(
 506                                 edl->local_session->get_selectionend(1));
 507
 508                 update_plugin_guis();
 509                 if(edl->local_session->get_selectionend(1) >=
 510                         (double)edl->local_session->view_start *
 511                         edl->local_session->zoom_sample /
 512                         edl->session->sample_rate +
 513                         gui->canvas->time_visible() ||
 514                         edl->local_session->get_selectionend(1) < (double)edl->local_session->view_start *
 515                         edl->local_session->zoom_sample /
 516                         edl->session->sample_rate)
 517                 {
 518                         samplemovement((int64_t)(edl->local_session->get_selectionend(1) *
 519                                 edl->session->sample_rate /
 520                                 edl->local_session->zoom_sample -
 521                                 gui->canvas->get_w() /
 522                                 2));
 523                         cwindow->update(1, 0, 0, 0, 0);
 524                 }
 525                 else
 526                 {
 527                         gui->patchbay->update();
 528                         gui->timebar->update();
 529                         gui->cursor->hide(0);
 530                         gui->cursor->draw(1);
 531                         gui->zoombar->update();
 532                         gui->canvas->flash();
 533                         gui->flush();
 534                         cwindow->update(1, 0, 0);
 535                 }
 536         }
 537         else
 538         {
 539                 goto_end();
 540         }
 541         return 0;
 542 }
 543
 544 int MWindow::prev_label(int shift_down)
 545 {
 546         Label *current = edl->labels->prev_label(
 547                         edl->local_session->get_selectionstart(1));;
 548
 549         if(current)
 550         {
 551                 edl->local_session->set_selectionstart(current->position);
 552                 if(!shift_down)
 553                         edl->local_session->set_selectionend(edl->local_session->get_selectionstart(1));
 554
 555                 update_plugin_guis();
 556 // Scroll the display
 557                 if(edl->local_session->get_selectionstart(1) >= edl->local_session->view_start *
 558                         edl->local_session->zoom_sample /
 559                         edl->session->sample_rate +
 560                         gui->canvas->time_visible()
 561                 ||
 562                         edl->local_session->get_selectionstart(1) < edl->local_session->view_start *
 563                         edl->local_session->zoom_sample /
 564                         edl->session->sample_rate)
 565                 {
 566                         samplemovement((int64_t)(edl->local_session->get_selectionstart(1) *
 567                                 edl->session->sample_rate /
 568                                 edl->local_session->zoom_sample -
 569                                 gui->canvas->get_w() /
 570                                 2));
 571                         cwindow->update(1, 0, 0, 0, 0);
 572                 }
 573                 else
 574 // Don't scroll the display
 575                 {
 576                         gui->patchbay->update();
 577                         gui->timebar->update();
 578                         gui->cursor->hide(0);
 579                         gui->cursor->draw(1);
 580                         gui->zoombar->update();
 581                         gui->canvas->flash();
 582                         gui->flush();
 583                         cwindow->update(1, 0, 0);
 584                 }
 585         }
 586         else
 587         {
 588                 goto_start();
 589         }
 590         return 0;
 591 }
 592
 593
 594
 595
 596
 597
 598 int MWindow::next_edit_handle(int shift_down)
 599 {
 600         double position = edl->local_session->get_selectionend(1);
 601         Units::fix_double(&position);
 602         double new_position = INFINITY;
 603 // Test for edit handles after cursor position
 604         for (Track *track = edl->tracks->first; track; track = track->next)
 605         {
 606                 if (track->record)
 607                 {
 608                         for (Edit *edit = track->edits->first; edit; edit = edit->next)
 609                         {
 610                                 double edit_end = track->from_units(edit->startproject + edit->length);
 611                                 Units::fix_double(&edit_end);
 612                                 if (edit_end > position && edit_end < new_position)
 613                                         new_position = edit_end;
 614                         }
 615                 }
 616         }
 617
 618         if(new_position != INFINITY)
 619         {
 620
 621                 edl->local_session->set_selectionend(new_position);
 622 printf("MWindow::next_edit_handle %d\n", shift_down);
 623                 if(!shift_down)
 624                         edl->local_session->set_selectionstart(
 625                                 edl->local_session->get_selectionend(1));
 626
 627                 update_plugin_guis();
 628                 if(edl->local_session->get_selectionend(1) >=
 629                         (double)edl->local_session->view_start *
 630                         edl->local_session->zoom_sample /
 631                         edl->session->sample_rate +
 632                         gui->canvas->time_visible() ||
 633                         edl->local_session->get_selectionend(1) < (double)edl->local_session->view_start *
 634                         edl->local_session->zoom_sample /
 635                         edl->session->sample_rate)
 636                 {
 637                         samplemovement((int64_t)(edl->local_session->get_selectionend(1) *
 638                                 edl->session->sample_rate /
 639                                 edl->local_session->zoom_sample -
 640                                 gui->canvas->get_w() /
 641                                 2));
 642                         cwindow->update(1, 0, 0, 0, 0);
 643                 }
 644                 else
 645                 {
 646                         gui->patchbay->update();
 647                         gui->timebar->update();
 648                         gui->cursor->hide(0);
 649                         gui->cursor->draw(1);
 650                         gui->zoombar->update();
 651                         gui->canvas->flash();
 652                         gui->flush();
 653                         cwindow->update(1, 0, 0);
 654                 }
 655         }
 656         else
 657         {
 658                 goto_end();
 659         }
 660         return 0;
 661 }
 662
 663 int MWindow::prev_edit_handle(int shift_down)
 664 {
 665         double position = edl->local_session->get_selectionstart(1);
 666         double new_position = -1;
 667         Units::fix_double(&position);
 668 // Test for edit handles before cursor position
 669         for (Track *track = edl->tracks->first; track; track = track->next)
 670         {
 671                 if (track->record)
 672                 {
 673                         for (Edit *edit = track->edits->first; edit; edit = edit->next)
 674                         {
 675                                 double edit_end = track->from_units(edit->startproject);
 676                                 Units::fix_double(&edit_end);
 677                                 if (edit_end < position && edit_end > new_position)
 678                                         new_position = edit_end;
 679                         }
 680                 }
 681         }
 682
 683         if(new_position != -1)
 684         {
 685
 686                 edl->local_session->set_selectionstart(new_position);
 687 printf("MWindow::next_edit_handle %d\n", shift_down);
 688                 if(!shift_down)
 689                         edl->local_session->set_selectionend(edl->local_session->get_selectionstart(1));
 690
 691                 update_plugin_guis();
 692 // Scroll the display
 693                 if(edl->local_session->get_selectionstart(1) >= edl->local_session->view_start *
 694                         edl->local_session->zoom_sample /
 695                         edl->session->sample_rate +
 696                         gui->canvas->time_visible()
 697                 ||
 698                         edl->local_session->get_selectionstart(1) < edl->local_session->view_start *
 699                         edl->local_session->zoom_sample /
 700                         edl->session->sample_rate)
 701                 {
 702                         samplemovement((int64_t)(edl->local_session->get_selectionstart(1) *
 703                                 edl->session->sample_rate /
 704                                 edl->local_session->zoom_sample -
 705                                 gui->canvas->get_w() /
 706                                 2));
 707                         cwindow->update(1, 0, 0, 0, 0);
 708                 }
 709                 else
 710 // Don't scroll the display
 711                 {
 712                         gui->patchbay->update();
 713                         gui->timebar->update();
 714                         gui->cursor->hide(0);
 715                         gui->cursor->draw(1);
 716                         gui->zoombar->update();
 717                         gui->canvas->flash();
 718                         gui->flush();
 719                         cwindow->update(1, 0, 0);
 720                 }
 721         }
 722         else
 723         {
 724                 goto_start();
 725         }
 726         return 0;
 727 }
 728
 729
 730
 731
 732
 733
 734
 735
 736 int MWindow::expand_y()
 737 {
 738         int result = edl->local_session->zoom_y * 2;
 739         result = MIN(result, MAX_AMP_ZOOM);
 740         zoom_amp(result);
 741         gui->zoombar->update();
 742         return 0;
 743 }
 744
 745 int MWindow::zoom_in_y()
 746 {
 747         int result = edl->local_session->zoom_y / 2;
 748         result = MAX(result, MIN_AMP_ZOOM);
 749         zoom_amp(result);
 750         gui->zoombar->update();
 751         return 0;
 752 }
 753
 754 int MWindow::expand_t()
 755 {
 756         int result = edl->local_session->zoom_track * 2;
 757         result = MIN(result, MAX_TRACK_ZOOM);
 758         zoom_track(result);
 759         gui->zoombar->update();
 760         return 0;
 761 }
 762
 763 int MWindow::zoom_in_t()
 764 {
 765         int result = edl->local_session->zoom_track / 2;
 766         result = MAX(result, MIN_TRACK_ZOOM);
 767         zoom_track(result);
 768         gui->zoombar->update();
 769         return 0;
 770 }
 771