cinelerra-5.1/cinelerra/timebar.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 "cursors.h"
  26 #include "cwindow.h"
  27 #include "cwindowgui.h"
  28 #include "edl.h"
  29 #include "edlsession.h"
  30 #include "filexml.h"
  31 #include "fonts.h"
  32 #include "labels.h"
  33 #include "labeledit.h"
  34 #include "localsession.h"
  35 #include "maincursor.h"
  36 #include "mainundo.h"
  37 #include "mbuttons.h"
  38 #include "mwindow.h"
  39 #include "mwindowgui.h"
  40 #include "patchbay.h"
  41 #include "preferences.h"
  42 #include "recordlabel.h"
  43 #include "localsession.h"
  44 #include "mainsession.h"
  45 #include "theme.h"
  46 #include "timebar.h"
  47 #include "timelinepane.h"
  48 #include "trackcanvas.h"
  49 #include "tracks.h"
  50 #include "transportque.h"
  51 #include "units.h"
  52 #include "vframe.h"
  53 #include "vwindow.h"
  54 #include "vwindowgui.h"
  55 #include "zoombar.h"
  56
  57
  58 LabelGUI::LabelGUI(MWindow *mwindow, TimeBar *timebar,
  59         int64_t pixel, int y,
  60         double position, VFrame **data)
  61  : BC_Toggle(translate_pixel(mwindow, pixel), y,
  62                 data ? data : mwindow->theme->label_toggle, 0)
  63 {
  64         this->mwindow = mwindow;
  65         this->timebar = timebar;
  66         this->gui = 0;
  67         this->pixel = pixel;
  68         this->position = position;
  69         this->label = 0;
  70 }
  71
  72 LabelGUI::~LabelGUI()
  73 {
  74 }
  75
  76 int LabelGUI::get_y(MWindow *mwindow, TimeBar *timebar)
  77 {
  78         return timebar->get_h() -
  79                 mwindow->theme->label_toggle[0]->get_h();
  80 }
  81
  82 int LabelGUI::translate_pixel(MWindow *mwindow, int pixel)
  83 {
  84         int result = pixel - mwindow->theme->label_toggle[0]->get_w() / 2;
  85         return result;
  86 }
  87
  88 void LabelGUI::reposition(int flush)
  89 {
  90         reposition_window(translate_pixel(mwindow, pixel),
  91                 BC_Toggle::get_y());
  92 }
  93
  94 int LabelGUI::button_press_event()
  95 {
  96         int result = 0;
  97
  98         if( this->is_event_win() && get_buttonpress() == 3 ) {
  99                 if( label ) {
 100                         int cur_x, cur_y;
 101                         get_abs_cursor(cur_x, cur_y, 0);
 102                         timebar->label_edit->start(label, cur_x, cur_y);
 103                 }
 104                 result = 1;
 105         } else {
 106                 result = BC_Toggle::button_press_event();
 107         }
 108         if( label )
 109                 set_tooltip(this->label->textstr);
 110         return result;
 111 }
 112
 113 int LabelGUI::handle_event()
 114 {
 115         timebar->select_label(position);
 116         return 1;
 117 }
 118
 119
 120 InPointGUI::InPointGUI(MWindow *mwindow, TimeBar *timebar,
 121         int64_t pixel, double position)
 122  : LabelGUI(mwindow, timebar,
 123         pixel, get_y(mwindow, timebar),
 124         position, mwindow->theme->in_point)
 125 {
 126 //printf("InPointGUI::InPointGUI %d %d\n", pixel, get_y(mwindow, timebar));
 127 }
 128 InPointGUI::~InPointGUI()
 129 {
 130 }
 131 int InPointGUI::get_y(MWindow *mwindow, TimeBar *timebar)
 132 {
 133         int result;
 134         result = timebar->get_h() -
 135                 mwindow->theme->in_point[0]->get_h();
 136         return result;
 137 }
 138
 139
 140 OutPointGUI::OutPointGUI(MWindow *mwindow, TimeBar *timebar,
 141         int64_t pixel, double position)
 142  : LabelGUI(mwindow, timebar,
 143         pixel, get_y(mwindow, timebar),
 144         position, mwindow->theme->out_point)
 145 {
 146 //printf("OutPointGUI::OutPointGUI %d %d\n", pixel, get_y(mwindow, timebar));
 147 }
 148 OutPointGUI::~OutPointGUI()
 149 {
 150 }
 151 int OutPointGUI::get_y(MWindow *mwindow, TimeBar *timebar)
 152 {
 153         return timebar->get_h() -
 154                 mwindow->theme->out_point[0]->get_h();
 155 }
 156
 157
 158 PresentationGUI::PresentationGUI(MWindow *mwindow, TimeBar *timebar,
 159         int64_t pixel, double position)
 160  : LabelGUI(mwindow, timebar, pixel, get_y(mwindow, timebar), position)
 161 {
 162 }
 163 PresentationGUI::~PresentationGUI()
 164 {
 165 }
 166
 167 TimeBar::TimeBar(MWindow *mwindow, BC_WindowBase *gui,
 168         int x, int y, int w, int h)
 169  : BC_SubWindow(x, y, w, h)
 170 {
 171 //printf("TimeBar::TimeBar %d %d %d %d\n", x, y, w, h);
 172         this->gui = gui;
 173         this->mwindow = mwindow;
 174         label_edit = new LabelEdit(mwindow, mwindow->awindow, 0);
 175         pane = 0;
 176         highlighted = 0;
 177 }
 178
 179 TimeBar::~TimeBar()
 180 {
 181         delete in_point;
 182         delete out_point;
 183         delete label_edit;
 184         labels.remove_all_objects();
 185         presentations.remove_all_objects();
 186 }
 187
 188 void TimeBar::create_objects()
 189 {
 190         in_point = 0;
 191         out_point = 0;
 192 //printf("TimeBar::create_objects %d\n", __LINE__);
 193         current_operation = TIMEBAR_NONE;
 194         set_cursor(UPRIGHT_ARROW_CURSOR, 0, 0);
 195         update(0);
 196 }
 197
 198
 199 int64_t TimeBar::position_to_pixel(double position)
 200 {
 201         get_edl_length();
 202         return (int64_t)(position / time_per_pixel);
 203 }
 204
 205
 206 double TimeBar::pixel_to_position(int pixel)
 207 {
 208         if( pane ) {
 209                 pixel += get_edl()->local_session->view_start[pane->number];
 210         }
 211
 212         return (double)pixel *
 213                 get_edl()->local_session->zoom_sample /
 214                 get_edl()->session->sample_rate;
 215 }
 216
 217 void TimeBar::update_labels()
 218 {
 219         int output = 0;
 220         EDL *edl = get_edl();
 221
 222         if( edl ) {
 223                 for( Label *current=edl->labels->first; current; current=NEXT ) {
 224                         int64_t pixel = position_to_pixel(current->position);
 225                         if( pixel >= 0 && pixel < get_w()  ) {
 226 // Create new label
 227                                 if( output >= labels.total ) {
 228                                         LabelGUI *new_label;
 229                                         add_subwindow(new_label =
 230                                                 new LabelGUI(mwindow,
 231                                                         this,
 232                                                         pixel,
 233                                                         LabelGUI::get_y(mwindow, this),
 234                                                         current->position));
 235                                         new_label->set_cursor(INHERIT_CURSOR, 0, 0);
 236                                         new_label->set_tooltip(current->textstr);
 237                                         new_label->label = current;
 238                                         labels.append(new_label);
 239                                 }
 240                                 else
 241 // Reposition old label
 242                                 {
 243                                         LabelGUI *gui = labels.values[output];
 244                                         if( gui->pixel != pixel ) {
 245                                                 gui->pixel = pixel;
 246                                                 gui->reposition(0);
 247                                         }
 248                                         else {
 249                                                 gui->draw_face(1,0);
 250                                         }
 251
 252                                         labels.values[output]->position = current->position;
 253                                         labels.values[output]->set_tooltip(current->textstr);
 254                                         labels.values[output]->label = current;
 255                                 }
 256
 257                                 if( edl->local_session->get_selectionstart(1) <= current->position &&
 258                                     edl->local_session->get_selectionend(1) >= current->position )
 259                                         labels.values[output]->update(1);
 260                                 else
 261                                 if( labels.values[output]->get_value() )
 262                                         labels.values[output]->update(0);
 263
 264                                 output++;
 265                         }
 266                 }
 267         }
 268
 269 // Delete excess labels
 270         while(labels.total > output)
 271         {
 272                 labels.remove_object();
 273         }
 274
 275 // Get the labels to show
 276         show_window(0);
 277 }
 278
 279 void TimeBar::update_highlights()
 280 {
 281         EDL *edl = get_edl();
 282         if( !edl ) return;
 283         for( int i = 0; i < labels.total; i++ ) {
 284                 LabelGUI *label = labels.values[i];
 285                 if( edl->equivalent(label->position,
 286                                 edl->local_session->get_selectionstart(1)) ||
 287                     edl->equivalent(label->position,
 288                                 edl->local_session->get_selectionend(1)) ) {
 289                         if( !label->get_value() ) label->update(1);
 290                 }
 291                 else
 292                         if( label->get_value() ) label->update(0);
 293         }
 294
 295         if( edl->equivalent(edl->local_session->get_inpoint(),
 296                         edl->local_session->get_selectionstart(1)) ||
 297                 edl->equivalent(edl->local_session->get_inpoint(),
 298                         edl->local_session->get_selectionend(1)) ) {
 299                 if( in_point ) in_point->update(1);
 300         }
 301         else
 302                 if( in_point ) in_point->update(0);
 303
 304         if( edl->equivalent(edl->local_session->get_outpoint(),
 305                         edl->local_session->get_selectionstart(1)) ||
 306                 edl->equivalent(edl->local_session->get_outpoint(),
 307                         edl->local_session->get_selectionend(1)) ) {
 308                 if( out_point ) out_point->update(1);
 309         }
 310         else
 311                 if( out_point ) out_point->update(0);
 312 }
 313
 314 void TimeBar::update_points()
 315 {
 316         EDL *edl = get_edl();
 317         int64_t pixel = !edl ? 0 :
 318                 position_to_pixel(edl->local_session->get_inpoint());
 319
 320         if( in_point ) {
 321                 if( edl && edl->local_session->inpoint_valid() &&
 322                     pixel >= 0 && pixel < get_w() ) {
 323                         if( !EQUIV(edl->local_session->get_inpoint(), in_point->position) ||
 324                             in_point->pixel != pixel ) {
 325                                 in_point->pixel = pixel;
 326                                 in_point->position = edl->local_session->get_inpoint();
 327                                 in_point->reposition(0);
 328                         }
 329                         else {
 330                                 in_point->draw_face(1, 0);
 331                         }
 332                 }
 333                 else {
 334                         delete in_point;
 335                         in_point = 0;
 336                 }
 337         }
 338         else
 339         if( edl && edl->local_session->inpoint_valid() &&
 340             pixel >= 0 && pixel < get_w() ) {
 341                 add_subwindow(in_point = new InPointGUI(mwindow,
 342                         this, pixel, edl->local_session->get_inpoint()));
 343                 in_point->set_cursor(ARROW_CURSOR, 0, 0);
 344         }
 345
 346         pixel = !edl ? 0 :
 347                  position_to_pixel(edl->local_session->get_outpoint());
 348
 349         if( out_point ) {
 350                 if( edl && edl->local_session->outpoint_valid() &&
 351                     pixel >= 0 && pixel < get_w()) {
 352                         if( !EQUIV(edl->local_session->get_outpoint(), out_point->position) ||
 353                             out_point->pixel != pixel ) {
 354                                 out_point->pixel = pixel;
 355                                 out_point->position = edl->local_session->get_outpoint();
 356                                 out_point->reposition(0);
 357                         }
 358                         else {
 359                                 out_point->draw_face(1, 0);
 360                         }
 361                 }
 362                 else {
 363                         delete out_point;
 364                         out_point = 0;
 365                 }
 366         }
 367         else
 368         if( edl && edl->local_session->outpoint_valid() &&
 369             pixel >= 0 && pixel < get_w() ) {
 370                 add_subwindow(out_point = new OutPointGUI(mwindow,
 371                         this, pixel, edl->local_session->get_outpoint()));
 372                 out_point->set_cursor(ARROW_CURSOR, 0, 0);
 373         }
 374
 375 //      flush();
 376 }
 377
 378 void TimeBar::update_clock(double position)
 379 {
 380 }
 381
 382 void TimeBar::update(int flush)
 383 {
 384         draw_time();
 385 // Need to redo these when range is drawn to get the background updated.
 386         update_labels();
 387         update_points();
 388
 389
 390         EDL *edl = get_edl();
 391         int64_t pixel = -1;
 392         int x = get_relative_cursor_x();
 393 // Draw highlight position
 394         if( edl && (highlighted || current_operation == TIMEBAR_DRAG) &&
 395             x >= 0 && x < get_w() ) {
 396 //printf("TimeBar::update %d %d\n", __LINE__, x);
 397                 double position = pixel_to_position(x);
 398
 399                 position = mwindow->edl->align_to_frame(position, 0);
 400                 pixel = position_to_pixel(position);
 401                 update_clock(position);
 402         }
 403
 404         if( pixel < 0 ) {
 405                 double position = test_highlight();
 406                 if( position >= 0 ) pixel = position_to_pixel(position);
 407         }
 408
 409
 410         if( pixel >= 0 && pixel < get_w() ) {
 411                 set_color(mwindow->theme->timebar_cursor_color);
 412                 set_line_dashes(1);
 413 //printf("TimeBar::update %d pane=%d pixel=%jd\n", __LINE__, pane->number, pixel);
 414                 draw_line(pixel, 0, pixel, get_h());
 415                 set_line_dashes(0);
 416         }
 417
 418
 419         if( edl ) {
 420                 double playback_start = edl->local_session->playback_start;
 421                 if( playback_start >= 0 ) {
 422                         int64_t pixel = position_to_pixel(playback_start);
 423                         set_color(mwindow->theme->timebar_cursor_color ^ 0x0000ff);
 424                         draw_line(pixel, 0, pixel, get_h());
 425                         double playback_end = edl->local_session->playback_end;
 426                         if( playback_end > playback_start ) {
 427                                 pixel = position_to_pixel(playback_end);
 428                                 set_color(mwindow->theme->timebar_cursor_color ^ 0x00ff00);
 429                                 draw_line(pixel, 0, pixel, get_h());
 430                         }
 431                 }
 432
 433                 double position = edl->local_session->get_selectionstart(1);
 434                 int64_t pixel = position_to_pixel(position);
 435 // Draw insertion point position.
 436                 int color = mwindow->theme->timebar_cursor_color;
 437                 if( mwindow->preferences->forward_render_displacement )
 438                         color ^= 0x00ffff;
 439                 set_color(color);
 440                 draw_line(pixel, 0, pixel, get_h());
 441         }
 442
 443         update_highlights();
 444
 445 // Get the labels to show
 446         show_window(0);
 447         flash(flush);
 448 //printf("TimeBar::update %d this=%p %d\n", __LINE__, this, current_operation);
 449 }
 450
 451
 452
 453 int TimeBar::delete_project()
 454 {
 455 //      labels->delete_all();
 456         return 0;
 457 }
 458
 459 int TimeBar::save(FileXML *xml)
 460 {
 461 //      labels->save(xml);
 462         return 0;
 463 }
 464
 465
 466
 467
 468 void TimeBar::draw_time()
 469 {
 470 }
 471
 472 EDL* TimeBar::get_edl()
 473 {
 474         return mwindow->edl;
 475 }
 476
 477
 478
 479 void TimeBar::draw_range()
 480 {
 481
 482
 483 //printf("TimeBar::draw_range %d %p\n", __LINE__, get_edl());
 484         if( has_preview() && get_edl() ) {
 485                 int x1, x2;
 486                 get_preview_pixels(x1, x2);
 487
 488 //printf("TimeBar::draw_range %f %d %d\n", edl_length, x1, x2);
 489                 draw_3segmenth(0, 0, x1, mwindow->theme->timebar_view_data);
 490                 draw_top_background(get_parent(), x1, 0, x2 - x1, get_h());
 491                 draw_3segmenth(x2, 0, get_w() - x2, mwindow->theme->timebar_view_data);
 492
 493                 set_color(BLACK);
 494                 draw_line(x1, 0, x1, get_h());
 495                 draw_line(x2, 0, x2, get_h());
 496
 497
 498                 EDL *edl = get_edl();
 499                 if( edl ) {
 500                         int64_t pixel = position_to_pixel(
 501                                 edl->local_session->get_selectionstart(1));
 502 // Draw insertion point position if this timebar belongs to a window which
 503 // has something other than the master EDL.
 504                         set_color(mwindow->theme->timebar_cursor_color);
 505                         draw_line(pixel, 0, pixel, get_h());
 506                 }
 507         }
 508         else
 509                 draw_top_background(get_parent(), 0, 0, get_w(), get_h());
 510 }
 511
 512 void TimeBar::select_label(double position)
 513 {
 514 }
 515
 516
 517
 518 int TimeBar::draw()
 519 {
 520         return 0;
 521 }
 522
 523 double TimeBar::get_edl_length()
 524 {
 525         edl_length = get_edl() ? get_edl()->tracks->total_length() : 0;
 526         int w1 = get_w()-1;
 527         time_per_pixel = !EQUIV(edl_length, 0) ? edl_length/w1 : w1;
 528         return edl_length;
 529 }
 530
 531 int TimeBar::get_preview_pixels(int &x1, int &x2)
 532 {
 533         x1 = 0;  x2 = get_w();
 534         get_edl_length();
 535         EDL *edl = get_edl();
 536         if( edl && !EQUIV(edl_length, 0) ) {
 537                 double preview_start = edl->local_session->preview_start;
 538                 double preview_end = edl->local_session->preview_end;
 539                 if( preview_end < 0 || preview_end > edl_length )
 540                         preview_end = edl_length;
 541                 if( preview_end >= preview_start ) {
 542                         x1 = (int)(preview_start / time_per_pixel);
 543                         x2 = (int)(preview_end / time_per_pixel);
 544                 }
 545         }
 546         return 0;
 547 }
 548
 549
 550 int TimeBar::test_preview(int buttonpress)
 551 {
 552         int result = 0;
 553
 554
 555         if( get_edl() && cursor_inside() && buttonpress >= 0 ) {
 556                 int x1, x2, x = get_relative_cursor_x();
 557                 get_preview_pixels(x1, x2);
 558 //printf("TimeBar::test_preview %d %d %d\n", x1, x2, x);
 559 // Inside left handle
 560                 if( x >= x1 - HANDLE_W && x < x1 + HANDLE_W &&
 561 // Ignore left handle if both handles are up against the left side
 562                     x2 > HANDLE_W ) {
 563                         if( buttonpress ) {
 564                                 current_operation = TIMEBAR_DRAG_LEFT;
 565                                 start_position = get_edl()->local_session->preview_start;
 566                                 start_cursor_x = x;
 567                         }
 568                         else if( get_cursor() != LEFT_CURSOR )
 569                                 set_cursor(LEFT_CURSOR, 0, 1);
 570                         result = 1;
 571                 }
 572 // Inside right handle
 573                 else if( x >= x2 - HANDLE_W && x < x2 + HANDLE_W &&
 574 // Ignore right handle if both handles are up against the right side
 575                     x1 < get_w() - HANDLE_W ) {
 576                         if( buttonpress ) {
 577                                 current_operation = TIMEBAR_DRAG_RIGHT;
 578                                 start_position = get_edl()->local_session->preview_end;
 579                                 if( start_position < 0 || start_position > edl_length )
 580                                         start_position = edl_length;
 581                                 start_cursor_x = x;
 582                         }
 583                         else if( get_cursor() != RIGHT_CURSOR )
 584                                 set_cursor(RIGHT_CURSOR, 0, 1);
 585                         result = 1;
 586                 }
 587 // Inside preview
 588                 else if( get_button_down() && get_buttonpress() == 3 &&
 589                     x >= x1 && x < x2 ) {
 590                         if( buttonpress ) {
 591                                 current_operation = TIMEBAR_DRAG_CENTER;
 592                                 starting_start_position = get_edl()->local_session->preview_start;
 593                                 starting_end_position = get_edl()->local_session->preview_end;
 594                                 if( starting_end_position < 0 || starting_end_position > edl_length )
 595                                         starting_end_position = edl_length;
 596                                 start_cursor_x = x;
 597                         }
 598                         if( get_cursor() != HSEPARATE_CURSOR )
 599                                 set_cursor(HSEPARATE_CURSOR, 0, 1);
 600                         result = 1;
 601                 }
 602         }
 603
 604         if( !result && get_cursor() != ARROW_CURSOR )
 605                 set_cursor(ARROW_CURSOR, 0, 1);
 606
 607
 608         return result;
 609 }
 610
 611 int TimeBar::move_preview(int &redraw)
 612 {
 613         int result = 0, x = get_relative_cursor_x();
 614         switch( current_operation ) {
 615         case TIMEBAR_DRAG_LEFT: {
 616                 get_edl()->local_session->preview_start =
 617                         start_position + time_per_pixel * (x - start_cursor_x);
 618                 double preview_end = get_edl()->local_session->preview_end;
 619                 if( preview_end < 0 || preview_end > edl_length )
 620                         preview_end = get_edl()->local_session->preview_end = edl_length;
 621                 CLAMP(get_edl()->local_session->preview_start, 0, preview_end);
 622                 result = 1;
 623                 break; }
 624         case TIMEBAR_DRAG_RIGHT: {
 625                 double preview_end = get_edl()->local_session->preview_end =
 626                         start_position + time_per_pixel * (x - start_cursor_x);
 627                 double preview_start = get_edl()->local_session->preview_start;
 628                 if( preview_end >= edl_length && !preview_start ) {
 629                         get_edl()->local_session->preview_end = -1;
 630                         if( preview_start > preview_end )
 631                                 preview_start = get_edl()->local_session->preview_start = preview_end;
 632                 }
 633                 else
 634                         CLAMP(get_edl()->local_session->preview_end, preview_start, edl_length);
 635                 result = 1;
 636                 break; }
 637         case TIMEBAR_DRAG_CENTER: {
 638                 double dt = time_per_pixel * (x - start_cursor_x);
 639                 get_edl()->local_session->preview_start = starting_start_position + dt;
 640                 get_edl()->local_session->preview_end = starting_end_position + dt;
 641                 if( get_edl()->local_session->preview_start < 0 ) {
 642                         get_edl()->local_session->preview_end -= get_edl()->local_session->preview_start;
 643                         get_edl()->local_session->preview_start = 0;
 644                 }
 645                 else
 646                 if( get_edl()->local_session->preview_end > edl_length ) {
 647                         get_edl()->local_session->preview_start -= get_edl()->local_session->preview_end - edl_length;
 648                         get_edl()->local_session->preview_end = edl_length;
 649                 }
 650                 result = 1;
 651                 break; }
 652         }
 653
 654 //printf("TimeBar::move_preview %d %d\n", __LINE__, current_operation);
 655
 656         if( result ) {
 657                 update_preview();
 658                 redraw = 1;
 659         }
 660 //printf("TimeBar::move_preview %d %d\n", __LINE__, current_operation);
 661
 662         return result;
 663 }
 664
 665 void TimeBar::update_preview()
 666 {
 667 }
 668
 669 int TimeBar::samplemovement()
 670 {
 671         return 0;
 672 }
 673
 674 void TimeBar::stop_playback()
 675 {
 676 }
 677
 678 int TimeBar::button_press_event()
 679 {
 680         int result = 0;
 681         if( is_event_win() && cursor_above() ) {
 682                 if( has_preview() && get_buttonpress() == 3 ) {
 683                         result = test_preview(1);
 684                 }
 685 // Change time format
 686                 else if( ctrl_down() ) {
 687                         if( get_buttonpress() == 1 )
 688                                 mwindow->next_time_format();
 689                         else
 690                         if( get_buttonpress() == 2 )
 691                                 mwindow->prev_time_format();
 692                         result = 1;
 693                 }
 694                 else if( get_buttonpress() == 1 ) {
 695                         stop_playback();
 696
 697 // Select region between two labels
 698                         if( !is_vwindow() && get_double_click() ) {
 699                                 int x = get_relative_cursor_x();
 700                                 double position = pixel_to_position(x);
 701 // Test labels
 702                                 select_region(position);
 703                         }
 704                         else {
 705
 706 // Reposition highlight cursor
 707                                 update_cursor();
 708                                 current_operation = TIMEBAR_DRAG;
 709                                 activate_timeline();
 710                         }
 711                         result = 1;
 712                 }
 713         }
 714         return result;
 715 }
 716
 717 void TimeBar::activate_timeline()
 718 {
 719         mwindow->gui->activate_timeline();
 720 }
 721
 722 int TimeBar::cursor_motion_event()
 723 {
 724         int result = 0;
 725         int redraw = 0;
 726
 727 //printf("TimeBar::cursor_motion_event %d %p %d\n", __LINE__, this, current_operation);
 728         switch( current_operation )
 729         {
 730                 case TIMEBAR_DRAG:
 731                 {
 732                         update_cursor();
 733                         handle_mwindow_drag();
 734                         result = 1;
 735 //printf("TimeBar::cursor_motion_event %d %d\n", __LINE__, current_operation);
 736                         break;
 737                 }
 738
 739
 740                 case TIMEBAR_DRAG_LEFT:
 741                 case TIMEBAR_DRAG_RIGHT:
 742                 case TIMEBAR_DRAG_CENTER:
 743                         if( has_preview() )
 744                                 result = move_preview(redraw);
 745                         break;
 746
 747                 default:
 748                         if( cursor_above() ) {
 749                                 highlighted = 1;
 750                                 redraw = 1;
 751                         }
 752
 753 //printf("TimeBar::cursor_motion_event 20\n");
 754                         if( has_preview() )
 755                                 result = test_preview(0);
 756 //printf("TimeBar::cursor_motion_event 30\n");
 757                         break;
 758         }
 759
 760
 761 //printf("TimeBar::cursor_motion_event %d %d\n", __LINE__, current_operation);
 762         if( redraw ) {
 763                 update(1);
 764         }
 765 //printf("TimeBar::cursor_motion_event %d %p %d\n", __LINE__, this, current_operation);
 766
 767         return result;
 768 }
 769
 770 int TimeBar::cursor_leave_event()
 771 {
 772         if( highlighted ) {
 773                 highlighted = 0;
 774                 update(1);
 775         }
 776         return 0;
 777 }
 778
 779 int TimeBar::button_release_event()
 780 {
 781 //printf("TimeBar::button_release_event %d %d\n", __LINE__, current_operation);
 782         int result = 0;
 783         int need_redraw = 0;
 784         switch( current_operation )
 785         {
 786                 case TIMEBAR_DRAG:
 787                         mwindow->gui->get_focused_pane()->canvas->stop_dragscroll();
 788                         current_operation = TIMEBAR_NONE;
 789                         need_redraw = 1;
 790                         result = 1;
 791                         break;
 792
 793                 default:
 794                         if( current_operation != TIMEBAR_NONE ) {
 795                                 current_operation = TIMEBAR_NONE;
 796                                 result = 1;
 797                         }
 798                         break;
 799         }
 800
 801         if( (!cursor_above() && highlighted) || need_redraw ) {
 802                 highlighted = 0;
 803                 update(1);
 804         }
 805
 806         return result;
 807 }
 808
 809 // Update the selection cursor during a dragging operation
 810 void TimeBar::update_cursor()
 811 {
 812 }
 813
 814 void TimeBar::handle_mwindow_drag()
 815 {
 816 }
 817
 818 int TimeBar::select_region(double position)
 819 {
 820         Label *start = 0, *end = 0, *current;
 821         for( current = get_edl()->labels->first; current; current = NEXT ) {
 822                 if( current->position > position ) {
 823                         end = current;
 824                         break;
 825                 }
 826         }
 827
 828         for( current = get_edl()->labels->last ; current; current = PREVIOUS ) {
 829                 if( current->position <= position ) {
 830                         start = current;
 831                         break;
 832                 }
 833         }
 834
 835 // Select region
 836         if( end != start ) {
 837                 if( !start )
 838                         get_edl()->local_session->set_selectionstart(0);
 839                 else
 840                         get_edl()->local_session->set_selectionstart(start->position);
 841
 842                 if( !end )
 843                         get_edl()->local_session->set_selectionend(get_edl()->tracks->total_length());
 844                 else
 845                         get_edl()->local_session->set_selectionend(end->position);
 846         }
 847         else
 848         if( end || start ) {
 849                 get_edl()->local_session->set_selectionstart(start->position);
 850                 get_edl()->local_session->set_selectionend(start->position);
 851         }
 852
 853 // Que the CWindow
 854         mwindow->cwindow->gui->lock_window("TimeBar::select_region");
 855         mwindow->cwindow->update(1, 0, 0);
 856         mwindow->cwindow->gui->unlock_window();
 857         mwindow->gui->lock_window("TimeBar::select_region");
 858         mwindow->gui->hide_cursor(0);
 859         mwindow->gui->draw_cursor(1);
 860         mwindow->gui->flash_canvas(0);
 861         mwindow->gui->activate_timeline();
 862         mwindow->gui->zoombar->update();
 863         mwindow->gui->unlock_window();
 864         update_highlights();
 865         return 0;
 866 }
 867
 868
 869
 870
 871 int TimeBar::delete_arrows()
 872 {
 873         return 0;
 874 }
 875
 876 double TimeBar::test_highlight()
 877 {
 878         return -1;
 879 }
 880
 881