cinelerra-5.1/cinelerra/mtimebar.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 1997-2014 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "bcsignals.h"
  23 #include "clip.h"
  24 #include "cplayback.h"
  25 #include "cwindow.h"
  26 #include "edl.h"
  27 #include "edlsession.h"
  28 #include "localsession.h"
  29 #include "mainclock.h"
  30 #include "maincursor.h"
  31 #include "mainsession.h"
  32 #include "mbuttons.h"
  33 #include "mtimebar.h"
  34 #include "mwindowgui.h"
  35 #include "mwindow.h"
  36 #include "patchbay.h"
  37 #include "preferences.h"
  38 #include "theme.h"
  39 #include "trackcanvas.h"
  40 #include "tracks.h"
  41 #include "transportque.h"
  42 #include "zoombar.h"
  43
  44
  45
  46 MTimeBar::MTimeBar(MWindow *mwindow,
  47         MWindowGUI *gui,
  48         int x,
  49         int y,
  50         int w,
  51         int h)
  52  : TimeBar(mwindow, gui, x, y, w, h)
  53 {
  54         this->gui = gui;
  55         this->pane = 0;
  56 }
  57
  58 MTimeBar::MTimeBar(MWindow *mwindow,
  59         TimelinePane *pane,
  60         int x,
  61         int y,
  62         int w,
  63         int h)
  64  : TimeBar(mwindow, mwindow->gui, x, y, w, h)
  65 {
  66         this->gui = mwindow->gui;
  67         this->pane = pane;
  68 }
  69
  70 void MTimeBar::create_objects()
  71 {
  72         gui->add_subwindow(menu = new TimeBarPopup(mwindow));
  73         menu->create_objects();
  74
  75         TimeBar::create_objects();
  76 }
  77
  78
  79 double MTimeBar::pixel_to_position(int pixel)
  80 {
  81         return (double)pixel *
  82                 mwindow->edl->local_session->zoom_sample /
  83                 mwindow->edl->session->sample_rate +
  84                 (double)mwindow->edl->local_session->view_start[pane->number] *
  85                 mwindow->edl->local_session->zoom_sample /
  86                 mwindow->edl->session->sample_rate;
  87 }
  88
  89
  90 int64_t MTimeBar::position_to_pixel(double position)
  91 {
  92         return (int64_t)(position *
  93                 mwindow->edl->session->sample_rate /
  94                 mwindow->edl->local_session->zoom_sample -
  95                 mwindow->edl->local_session->view_start[pane->number]);
  96 }
  97
  98
  99 void MTimeBar::stop_transport()
 100 {
 101         gui->stop_transport("MTimeBar::stop_transport");
 102 }
 103
 104 #define TEXT_MARGIN xS(4)
 105 #define TICK_SPACING xS(5)
 106 #define LINE_MARGIN yS(3)
 107 #define TICK_MARGIN yS(16)
 108
 109 void MTimeBar::draw_time()
 110 {
 111
 112         char string[BCTEXTLEN];
 113         int sample_rate = mwindow->edl->session->sample_rate;
 114         double frame_rate = mwindow->edl->session->frame_rate;
 115 // Seconds between text markings
 116         double text_interval = 3600.0;
 117 // Seconds between tick marks
 118         double tick_interval = 3600.0;
 119
 120
 121 // Calculate tick mark spacing, number spacing, and starting point based
 122 // on zoom, time format, project settings.
 123
 124 // If the time format is for audio, mark round numbers of samples based on
 125 // samplerate.
 126 // Fow low zoom, mark tens of samples.
 127
 128 // If the time format is for video, mark round number of frames based on
 129 // framerate.
 130 // For low zoom, mark individual frames.
 131
 132         //int64_t windowspan = mwindow->edl->local_session->zoom_sample * get_w();
 133
 134         draw_range();
 135
 136
 137
 138
 139
 140 // Number of seconds per pixel
 141         double time_per_pixel = (double)mwindow->edl->local_session->zoom_sample /
 142                 sample_rate;
 143 // Seconds in each frame
 144         double frame_seconds = (double)1.0 / frame_rate;
 145 // Starting time of view in seconds.
 146         double view_start = mwindow->edl->local_session->view_start[pane->number] *
 147                 time_per_pixel;
 148 // Ending time of view in seconds
 149         double view_end = (double)(mwindow->edl->local_session->view_start[pane->number] +
 150                 get_w()) * time_per_pixel;
 151 // Get minimum distance between text marks
 152         int min_pixels1 = get_text_width(MEDIUMFONT,
 153                 Units::totext(string,
 154                         view_start,
 155                         mwindow->edl->session->time_format,
 156                         sample_rate,
 157                         mwindow->edl->session->frame_rate,
 158                         mwindow->edl->session->frames_per_foot)) + TEXT_MARGIN;
 159         int min_pixels2 = get_text_width(MEDIUMFONT,
 160                 Units::totext(string,
 161                         view_end,
 162                         mwindow->edl->session->time_format,
 163                         sample_rate,
 164                         mwindow->edl->session->frame_rate,
 165                         mwindow->edl->session->frames_per_foot)) + TEXT_MARGIN;
 166         int min_pixels = (int)MAX(min_pixels1, min_pixels2);
 167
 168
 169 // Minimum seconds between text marks
 170         double min_time = (double)min_pixels *
 171                 mwindow->edl->local_session->zoom_sample /
 172                 sample_rate;
 173
 174
 175 // Get first text mark on or before window start
 176         int64_t starting_mark = 0;
 177
 178         int progression = 1;
 179
 180 // Default text spacing
 181         text_interval = 0.5;
 182         double prev_text_interval = 1.0;
 183
 184         while(text_interval >= min_time)
 185         {
 186                 prev_text_interval = text_interval;
 187                 if(progression == 0)
 188                 {
 189                         text_interval /= 2;
 190                         progression++;
 191                 }
 192                 else
 193                 if(progression == 1)
 194                 {
 195                         text_interval /= 2;
 196                         progression++;
 197                 }
 198                 else
 199                 if(progression == 2)
 200                 {
 201                         text_interval /= 2.5;
 202                         progression = 0;
 203                 }
 204         }
 205
 206         text_interval = prev_text_interval;
 207
 208         if(1 >= min_time)
 209                 ;
 210         else
 211         if(2 >= min_time)
 212                 text_interval = 2;
 213         else
 214         if(5 >= min_time)
 215                 text_interval = 5;
 216         else
 217         if(10 >= min_time)
 218                 text_interval = 10;
 219         else
 220         if(15 >= min_time)
 221                 text_interval = 15;
 222         else
 223         if(20 >= min_time)
 224                 text_interval = 20;
 225         else
 226         if(30 >= min_time)
 227                 text_interval = 30;
 228         else
 229         if(60 >= min_time)
 230                 text_interval = 60;
 231         else
 232         if(120 >= min_time)
 233                 text_interval = 120;
 234         else
 235         if(300 >= min_time)
 236                 text_interval = 300;
 237         else
 238         if(600 >= min_time)
 239                 text_interval = 600;
 240         else
 241         if(1200 >= min_time)
 242                 text_interval = 1200;
 243         else
 244         if(1800 >= min_time)
 245                 text_interval = 1800;
 246         else
 247         if(3600 >= min_time)
 248                 text_interval = 3600;
 249
 250 // Set text interval
 251         switch(mwindow->edl->session->time_format)
 252         {
 253                 case TIME_FEET_FRAMES:
 254                 {
 255                         double foot_seconds = frame_seconds * mwindow->edl->session->frames_per_foot;
 256                         if(frame_seconds >= min_time)
 257                                 text_interval = frame_seconds;
 258                         else
 259                         if(foot_seconds / 8.0 > min_time)
 260                                 text_interval = frame_seconds * mwindow->edl->session->frames_per_foot / 8.0;
 261                         else
 262                         if(foot_seconds / 4.0 > min_time)
 263                                 text_interval = frame_seconds * mwindow->edl->session->frames_per_foot / 4.0;
 264                         else
 265                         if(foot_seconds / 2.0 > min_time)
 266                                 text_interval = frame_seconds * mwindow->edl->session->frames_per_foot / 2.0;
 267                         else
 268                         if(foot_seconds > min_time)
 269                                 text_interval = frame_seconds * mwindow->edl->session->frames_per_foot;
 270                         else
 271                         if(foot_seconds * 2 >= min_time)
 272                                 text_interval = foot_seconds * 2;
 273                         else
 274                         if(foot_seconds * 5 >= min_time)
 275                                 text_interval = foot_seconds * 5;
 276                         else
 277                         {
 278
 279                                 for(int factor = 10, progression = 0; factor <= 100000; )
 280                                 {
 281                                         if(foot_seconds * factor >= min_time)
 282                                         {
 283                                                 text_interval = foot_seconds * factor;
 284                                                 break;
 285                                         }
 286
 287                                         if(progression == 0)
 288                                         {
 289                                                 factor = (int)(factor * 2.5);
 290                                                 progression++;
 291                                         }
 292                                         else
 293                                         if(progression == 1)
 294                                         {
 295                                                 factor = (int)(factor * 2);
 296                                                 progression++;
 297                                         }
 298                                         else
 299                                         if(progression == 2)
 300                                         {
 301                                                 factor = (int)(factor * 2);
 302                                                 progression = 0;
 303                                         }
 304                                 }
 305
 306                         }
 307                         break;
 308                 }
 309
 310                 case TIME_FRAMES:
 311                 case TIME_TIMECODE:
 312                 case TIME_HMSF:
 313 // One frame per text mark
 314                         if(frame_seconds >= min_time)
 315                                 text_interval = frame_seconds;
 316                         else
 317                         if(frame_seconds * 2 >= min_time)
 318                                 text_interval = frame_seconds * 2;
 319                         else
 320                         if(frame_seconds * 5 >= min_time)
 321                                 text_interval = frame_seconds * 5;
 322                         else
 323                         {
 324
 325                                 for(int factor = 10, progression = 0; factor <= 100000; )
 326                                 {
 327                                         if(frame_seconds * factor >= min_time)
 328                                         {
 329                                                 text_interval = frame_seconds * factor;
 330                                                 break;
 331                                         }
 332
 333                                         if(progression == 0)
 334                                         {
 335                                                 factor = (int)(factor * 2.5);
 336                                                 progression++;
 337                                         }
 338                                         else
 339                                         if(progression == 1)
 340                                         {
 341                                                 factor = (int)(factor * 2);
 342                                                 progression++;
 343                                         }
 344                                         else
 345                                         if(progression == 2)
 346                                         {
 347                                                 factor = (int)(factor * 2);
 348                                                 progression = 0;
 349                                         }
 350                                 }
 351
 352                         }
 353                         break;
 354
 355                 default:
 356                         break;
 357         }
 358
 359 // Sanity
 360         while(text_interval < min_time)
 361         {
 362                 text_interval *= 2;
 363         }
 364
 365 // Set tick interval
 366         tick_interval = text_interval;
 367         double timecode_offset = 0;
 368
 369         switch(mwindow->edl->session->time_format)
 370         {
 371                 case TIME_TIMECODE:
 372                         timecode_offset = mwindow->get_timecode_offset(); // fall thru
 373                 case TIME_FEET_FRAMES:
 374                 case TIME_HMSF:
 375                 case TIME_FRAMES:
 376                         if(frame_seconds / time_per_pixel > TICK_SPACING)
 377                                 tick_interval = frame_seconds;
 378                         break;
 379         }
 380
 381 // Get first text mark on or before window start
 382         starting_mark = (int64_t)((double)mwindow->edl->local_session->view_start[pane->number] *
 383                 time_per_pixel / text_interval);
 384
 385         double start_position = (double)starting_mark * text_interval;
 386         int64_t iteration = 0;
 387
 388
 389 //printf("text_interval=%f\n", text_interval);
 390         while(start_position + text_interval * iteration < view_end)
 391         {
 392                 double position1 = start_position + text_interval * iteration;
 393                 int pixel = (int64_t)(position1 / time_per_pixel) -
 394                         mwindow->edl->local_session->view_start[pane->number];
 395                 int pixel1 = pixel;
 396
 397                 Units::totext(string,
 398                         position1,
 399                         mwindow->edl->session->time_format,
 400                         sample_rate,
 401                         mwindow->edl->session->frame_rate,
 402                         mwindow->edl->session->frames_per_foot,
 403                         timecode_offset);
 404                 set_color(get_resources()->default_text_color);
 405                 set_font(MEDIUMFONT);
 406
 407                 draw_text(pixel + TEXT_MARGIN, get_text_ascent(MEDIUMFONT), string);
 408                 draw_line(pixel, LINE_MARGIN, pixel, get_h() - yS(2));
 409
 410                 double position2 = start_position + text_interval * (iteration + 1);
 411                 int pixel2 = (int64_t)(position2 / time_per_pixel) -
 412                         mwindow->edl->local_session->view_start[pane->number];
 413
 414                 for(double tick_position = position1;
 415                         tick_position < position2;
 416                         tick_position += tick_interval)
 417                 {
 418                         pixel = (int64_t)(tick_position / time_per_pixel) -
 419                                 mwindow->edl->local_session->view_start[pane->number];
 420                         if(labs(pixel - pixel1) > 1 &&
 421                                 labs(pixel - pixel2) > 1)
 422                                 draw_line(pixel, TICK_MARGIN, pixel, get_h() - yS(2));
 423                 }
 424                 iteration++;
 425         }
 426
 427
 428 }
 429
 430 void MTimeBar::draw_range()
 431 {
 432         int x1 = 0, x2 = 0;
 433         if( mwindow->brender_active && mwindow->preferences->use_brender &&
 434             mwindow->edl->tracks->total_playable_vtracks() ) {
 435                 double time_per_pixel = (double)mwindow->edl->local_session->zoom_sample /
 436                         mwindow->edl->session->sample_rate;
 437                 x1 = (int)(mwindow->edl->session->brender_start / time_per_pixel) -
 438                         mwindow->edl->local_session->view_start[pane->number];
 439                 x2 = (int)(mwindow->session->brender_end / time_per_pixel) -
 440                         mwindow->edl->local_session->view_start[pane->number];
 441         }
 442
 443         if(x2 > x1 && x1 < get_w() && x2 > 0) {
 444                 draw_top_background(get_parent(), 0, 0, x1, get_h());
 445                 draw_3segmenth(x1, 0, x2 - x1, mwindow->theme->get_image("timebar_brender"));
 446                 draw_top_background(get_parent(), x2, 0, get_w() - x2, get_h());
 447         }
 448         else {
 449                 draw_top_background(get_parent(), 0, 0, get_w(), get_h());
 450         }
 451
 452 //      int64_t pixel = position_to_pixel(
 453 //              mwindow->edl->local_session->get_selectionstart(1));
 454 //
 455 //      set_color(mwindow->theme->timebar_cursor_colorg);
 456 //      draw_line(pixel, 0, pixel, get_h());
 457 //printf("MTimeBar::draw_range %f %f\n", mwindow->session->brender_end, time_per_pixel);
 458 }
 459
 460 void MTimeBar::select_label(double position)
 461 {
 462         stop_transport();
 463
 464         EDL *edl = mwindow->edl;
 465         position = edl->align_to_frame(position, 1);
 466
 467         if(shift_down())
 468         {
 469                 if(position > edl->local_session->get_selectionend(1) / 2 +
 470                         edl->local_session->get_selectionstart(1) / 2)
 471                 {
 472
 473                         edl->local_session->set_selectionend(position);
 474                 }
 475                 else
 476                 {
 477                         edl->local_session->set_selectionstart(position);
 478                 }
 479         }
 480         else
 481         {
 482                 edl->local_session->set_selectionstart(position);
 483                 edl->local_session->set_selectionend(position);
 484         }
 485
 486 // Que the CWindow
 487         mwindow->cwindow->update(1, 0, 0, 0, 1);
 488
 489         gui->hide_cursor(0);
 490         gui->draw_cursor(1);
 491         gui->flash_canvas(1);
 492         gui->zoombar->update();
 493         update_highlights();
 494         activate_timeline();
 495 }
 496
 497
 498 int MTimeBar::resize_event()
 499 {
 500         reposition_window(mwindow->theme->mtimebar_x,
 501                 mwindow->theme->mtimebar_y,
 502                 mwindow->theme->mtimebar_w,
 503                 mwindow->theme->mtimebar_h);
 504         update(0);
 505         return 1;
 506 }
 507
 508 int MTimeBar::resize_event(int x, int y, int w, int h)
 509 {
 510         reposition_window(x,
 511                 y,
 512                 w,
 513                 h);
 514         update(0);
 515         return 1;
 516 }
 517
 518 // int MTimeBar::test_preview(int buttonpress)
 519 // {
 520 //      int result = 0;
 521 //      return result;
 522 // }
 523 //
 524
 525
 526 void MTimeBar::handle_mwindow_drag()
 527 {
 528 //printf("TimeBar::cursor_motion_event %d %d\n", __LINE__, current_operation);
 529         int relative_cursor_x = pane->canvas->get_relative_cursor_x();
 530         if(relative_cursor_x >= pane->canvas->get_w() ||
 531                 relative_cursor_x < 0)
 532         {
 533                 pane->canvas->start_dragscroll();
 534         }
 535         else
 536         if(relative_cursor_x < pane->canvas->get_w() &&
 537                 relative_cursor_x >= 0)
 538         {
 539                 pane->canvas->stop_dragscroll();
 540         }
 541
 542         update(0);
 543 }
 544
 545 void MTimeBar::update(int flush)
 546 {
 547         TimeBar::update(flush);
 548 }
 549
 550 void MTimeBar::update_clock(double position)
 551 {
 552         if(!mwindow->cwindow->playback_engine->is_playing_back)
 553                 gui->mainclock->update(position);
 554 }
 555
 556 void MTimeBar::update_cursor()
 557 {
 558         int rx = get_relative_cursor_x();
 559         double position = pixel_to_position(rx);
 560
 561         position = mwindow->edl->align_to_frame(position, 0);
 562         position = MAX(0, position);
 563
 564         mwindow->select_point(position);
 565         update(1);
 566 }
 567
 568 double MTimeBar::test_highlight()
 569 {
 570 // Don't crash during initialization
 571         if(pane->canvas)
 572         {
 573                 if(mwindow->session->current_operation == NO_OPERATION)
 574                 {
 575                         if(pane->canvas->is_event_win() &&
 576                                 pane->canvas->cursor_inside())
 577                         {
 578                                 int cursor_x = pane->canvas->get_cursor_x();
 579                                 double position = (double)cursor_x *
 580                                         (double)mwindow->edl->local_session->zoom_sample /
 581                                         (double)mwindow->edl->session->sample_rate +
 582                                         (double)mwindow->edl->local_session->view_start[pane->number] *
 583                                         (double)mwindow->edl->local_session->zoom_sample /
 584                                         (double)mwindow->edl->session->sample_rate;
 585                                 pane->canvas->timebar_position = mwindow->edl->align_to_frame(position, 0);
 586                         }
 587
 588 //printf("MTimeBar::test_highlight %d %d %f\n", __LINE__, pane->canvas->cursor_inside(), pane->canvas->timebar_position);
 589                         return pane->canvas->timebar_position;
 590                 }
 591                 else
 592                 if(mwindow->session->current_operation == SELECT_REGION ||
 593                         mwindow->session->current_operation == DRAG_EDITHANDLE2)
 594                 {
 595 //printf("MTimeBar::test_highlight %d %f\n", __LINE__, mwindow->gui->canvas->timebar_position);
 596                         return pane->canvas->timebar_position;
 597                 }
 598
 599                 return -1;
 600         }
 601         else
 602         {
 603                 return -1;
 604         }
 605 }
 606
 607 int MTimeBar::repeat_event(int64_t duration)
 608 {
 609         if(!pane->canvas->drag_scroll) return 0;
 610         if(duration != BC_WindowBase::get_resources()->scroll_repeat) return 0;
 611
 612         int distance = 0;
 613         int x_movement = 0;
 614         int relative_cursor_x = pane->canvas->get_relative_cursor_x();
 615         if(current_operation == TIMEBAR_DRAG)
 616         {
 617                 if(relative_cursor_x >= pane->canvas->get_w())
 618                 {
 619                         distance = relative_cursor_x - pane->canvas->get_w();
 620                         x_movement = 1;
 621                 }
 622                 else
 623                 if(relative_cursor_x < 0)
 624                 {
 625                         distance = relative_cursor_x;
 626                         x_movement = 1;
 627                 }
 628
 629
 630
 631                 if(x_movement)
 632                 {
 633                         update_cursor();
 634                         mwindow->samplemovement(
 635                                 mwindow->edl->local_session->view_start[pane->number] + distance,
 636                                 pane->number);
 637                 }
 638                 return 1;
 639         }
 640
 641         return 0;
 642 }
 643
 644 int MTimeBar::button_press_event()
 645 {
 646         int result = 0;
 647
 648         if(is_event_win() && cursor_above() && get_buttonpress() == 3)
 649         {
 650                 menu->update();
 651                 menu->activate_menu();
 652                 result = 1;
 653         }
 654
 655         if(!result) return TimeBar::button_press_event();
 656         return result;
 657 }
 658
 659
 660 void MTimeBar::activate_timeline()
 661 {
 662         pane->activate();
 663 }
 664
 665
 666 TimeBarPopupItem::TimeBarPopupItem(MWindow *mwindow,
 667         TimeBarPopup *menu,
 668         const char *text,
 669         int value)
 670  : BC_MenuItem(text)
 671 {
 672         this->mwindow = mwindow;
 673         this->menu = menu;
 674         this->value = value;
 675 }
 676
 677 int TimeBarPopupItem::handle_event()
 678 {
 679         mwindow->edl->session->time_format = value;
 680         mwindow->gui->update(0, NO_DRAW, 1, 0, 0, 1, 0);
 681         mwindow->gui->redraw_time_dependancies();
 682         return 1;
 683 }
 684
 685
 686
 687 TimeBarPopup::TimeBarPopup(MWindow *mwindow)
 688  : BC_PopupMenu(0, 0, 0, "", 0)
 689 {
 690         this->mwindow = mwindow;
 691 }
 692
 693 TimeBarPopup::~TimeBarPopup()
 694 {
 695 }
 696
 697
 698 void TimeBarPopup::create_objects()
 699 {
 700         add_item(items[0] = new TimeBarPopupItem(mwindow,
 701                 this, TIME_HMS_TEXT, TIME_HMS));
 702         add_item(items[1] = new TimeBarPopupItem(mwindow,
 703                 this, TIME_HMSF_TEXT, TIME_HMSF));
 704         add_item(items[2] = new TimeBarPopupItem(mwindow,
 705                 this, TIME_TIMECODE_TEXT, TIME_TIMECODE));
 706         add_item(items[3] = new TimeBarPopupItem(mwindow,
 707                 this, TIME_FRAMES_TEXT, TIME_FRAMES));
 708         add_item(items[4] = new TimeBarPopupItem(mwindow,
 709                 this, TIME_SAMPLES_TEXT, TIME_SAMPLES));
 710         add_item(items[5] = new TimeBarPopupItem(mwindow,
 711                 this, TIME_SAMPLES_HEX_TEXT, TIME_SAMPLES_HEX));
 712         add_item(items[6] = new TimeBarPopupItem(mwindow,
 713                 this, TIME_SECONDS_TEXT, TIME_SECONDS));
 714         add_item(items[7] = new TimeBarPopupItem(mwindow,
 715                 this, TIME_FEET_FRAMES_TEXT, TIME_FEET_FRAMES));
 716 }
 717
 718 void TimeBarPopup::update()
 719 {
 720         int time_format = mwindow->edl->session->time_format;
 721         for( int i=0; i<TOTAL_TIMEFORMATS; ++i ) {
 722                 items[i]->set_checked(items[i]->value == time_format);
 723         }
 724 }
 725
 726
 727
 728
 729