cinelerra/labels.C

   1 #include "clip.h"
   2 #include "edl.h"
   3 #include "edlsession.h"
   4 #include "filexml.h"
   5 #include "labels.h"
   6 #include "mwindow.h"
   7 #include "mwindowgui.h"
   8 #include "patchbay.h"
   9 #include "recordlabel.h"
  10 #include "mainsession.h"
  11 #include "stringfile.h"
  12 #include "theme.h"
  13 #include "timebar.h"
  14 #include <string.h>
  15
  16
  17
  18 Labels::Labels(EDL *edl, char *xml_tag)
  19  : List<Label>()
  20 {
  21         this->edl = edl;
  22         this->xml_tag = xml_tag;
  23 }
  24
  25 Labels::~Labels()
  26 {
  27         delete_all();
  28 }
  29
  30 void Labels::dump()
  31 {
  32         for(Label *current = first; current; current = NEXT)
  33         {
  34                 printf("  label: %f '%s'\n", current->position, current->textstr);
  35         }
  36 }
  37
  38 void Labels::insert_labels(Labels *labels, double start, double length, int paste_silence)
  39 {
  40         Label *new_label;
  41         Label *old_label;
  42
  43
  44 //printf("Labels::insert_labels 1 %f\n", start);
  45
  46 // Insert silence in old labels
  47         if(paste_silence)
  48         {
  49                 for(old_label = first; old_label; old_label = old_label->next)
  50                 {
  51                         if(old_label->position > start ||
  52                                 edl->equivalent(old_label->position, start))
  53                                 old_label->position += length;
  54                 }
  55         }
  56
  57
  58 // Insert one new label at a time
  59         for(new_label = labels->first; new_label; new_label = new_label->next)
  60         {
  61                 int exists = 0;
  62 //printf("Labels::insert_labels 2 %f\n", new_label->position + start);
  63
  64 // Check every old label for existence
  65                 for(old_label = first; old_label; old_label = old_label->next)
  66                 {
  67                         if(edl->equivalent(old_label->position, new_label->position + start))
  68                         {
  69                                 exists = 1;
  70                                 break;
  71                         }
  72                         else
  73                         if(old_label->position > new_label->position + start)
  74                                 break;
  75                 }
  76
  77                 if(!exists)
  78                 {
  79                         if(old_label)
  80                                 insert_before(old_label, new Label(edl, this, new_label->position + start, new_label->textstr));
  81                         else
  82                                 append(new Label(edl, this, new_label->position + start, new_label->textstr));
  83                 }
  84         }
  85 }
  86
  87 int Labels::toggle_label(double start, double end)
  88 {
  89         Label *current;
  90 //printf("Labels::toggle_label 1 %f %f\n", start, end);
  91
  92 // handle selection start
  93 // find label the selectionstart is after
  94         for(current = first;
  95                 current && current->position < start && !edl->equivalent(current->position, start);
  96                 current = NEXT)
  97         {
  98 //printf("Labels::toggle_label 2 %f %f %f\n", start, end, current->position);
  99                 ;
 100         }
 101
 102         if(current)
 103         {
 104 //printf("Labels::toggle_label 3 %f %f %f\n", start, end, current->position);
 105                 if(edl->equivalent(current->position, start))
 106                 {        // remove it
 107 //printf("Labels::toggle_label 1\n");
 108                         remove(current);
 109                 }
 110                 else
 111                 {        // insert before it
 112                         current = insert_before(current, new Label(edl, this, start, ""));
 113                 }
 114         }
 115         else
 116         {           // insert after last
 117 //printf("Labels::toggle_label 1\n");
 118                 current = append(new Label(edl, this, start, ""));
 119         }
 120
 121 // handle selection end
 122         if(!EQUIV(start, end))
 123         {
 124 //printf("Labels::toggle_label 2 %.16e %.16e\n", start, end);
 125 // find label the selectionend is after
 126                 for(current = first;
 127                         current && current->position < end && !edl->equivalent(current->position, end);
 128                         current = NEXT)
 129                 {
 130                         ;
 131                 }
 132
 133                 if(current)
 134                 {
 135                         if(edl->equivalent(current->position, end))
 136                         {
 137                                 remove(current);
 138                         }
 139                         else
 140                         {
 141                                 current = insert_before(current, new Label(edl, this, end, ""));
 142                         }
 143                 }
 144                 else
 145                 {
 146                         current = append(new Label(edl, this, end, ""));
 147                 }
 148         }
 149         return 0;
 150 }
 151
 152 int Labels::delete_all()
 153 {
 154         while(last)
 155                 remove(last);
 156         return 0;
 157 }
 158
 159 int Labels::copy(double start, double end, FileXML *xml)
 160 {
 161         char string[BCTEXTLEN];
 162         xml->tag.set_title(xml_tag);
 163         xml->append_tag();
 164         xml->append_newline();
 165
 166         Label *current;
 167         sprintf(string, xml_tag);
 168         string[strlen(string) - 1] = 0;
 169         for(current = label_of(start);
 170                 current && current->position <= end;
 171                 current = NEXT)
 172         {
 173                 xml->tag.set_title(string);
 174                 xml->tag.set_property("TIME", (double)current->position - start);
 175                 xml->tag.set_property("TEXTSTR", current->textstr);
 176 //printf("Labels::copy %f\n", current->position - start);
 177                 xml->append_tag();
 178         }
 179
 180         sprintf(string, "/%s", xml_tag);
 181         xml->tag.set_title(string);
 182         xml->append_tag();
 183         xml->append_newline();
 184         xml->append_newline();
 185         return 0;
 186 }
 187
 188 int Labels::copy_length(long start, long end) // return number of Labels in selection
 189 {
 190         int result = 0;
 191         Label *current;
 192
 193         for(current = label_of(start); current && current->position <= end; current = NEXT)
 194         {
 195                 result++;
 196         }
 197         return result;
 198 }
 199
 200 void Labels::copy_from(Labels *labels)
 201 {
 202         while(last) delete last;
 203
 204         for(Label *current = labels->first; current; current = NEXT)
 205         {
 206                 append(new Label(edl, this, current->position, current->textstr));
 207         }
 208 }
 209
 210
 211 Labels& Labels::operator=(Labels &that)
 212 {
 213         copy_from(&that);
 214 printf("Labels::operator= 1\n");
 215         return *this;
 216 }
 217
 218
 219 int Labels::save(FileXML *xml)
 220 {
 221         xml->tag.set_title("LABELS");
 222         xml->append_tag();
 223         xml->append_newline();
 224
 225         Label *current;
 226
 227         for(current = first; current; current = NEXT)
 228         {
 229                 xml->tag.set_title("LABEL");
 230                 xml->tag.set_property("TIME", (double)current->position);
 231                 xml->tag.set_property("TEXTSTR", current->textstr);
 232                 xml->append_tag();
 233         }
 234
 235         xml->append_newline();
 236         xml->tag.set_title("/LABELS");
 237         xml->append_tag();
 238         xml->append_newline();
 239         xml->append_newline();
 240         return 0;
 241 }
 242
 243 int Labels::load(FileXML *xml, uint32_t load_flags)
 244 {
 245         int result = 0;
 246         char string1[BCTEXTLEN], string2[BCTEXTLEN];
 247
 248         sprintf(string1, "/%s", xml_tag);
 249         strcpy(string2, xml_tag);
 250         string2[strlen(string2) - 1] = 0;
 251
 252         do{
 253                 result = xml->read_tag();
 254                 if(!result)
 255                 {
 256                         if(xml->tag.title_is(string1))
 257                         {
 258                                 result = 1;
 259                         }
 260                         else
 261                         if(xml->tag.title_is(string2))
 262                         {
 263                                 double position = xml->tag.get_property("TIME", (double)-1);
 264                                 if(position < 0)
 265                                         position = xml->tag.get_property("SAMPLE", (double)-1);
 266 //printf("Labels::load %f\n", position);
 267                                 if(position > -1)
 268                                 {
 269                                         Label *current = label_of(position);
 270                                         current = insert_before(current, new Label(edl, this, position, ""));
 271                                         xml->tag.get_property("TEXTSTR", current->textstr);
 272                                 }
 273                         }
 274                         else
 275                         if(xml->tag.title_is("INPOINT"))
 276                         {
 277                                 double position = xml->tag.get_property("TIME", (double)-1);
 278                                 if(position < 0)
 279                                         position = xml->tag.get_property("SAMPLE", (double)-1);
 280                                 if(position > -1)
 281                                 {
 282                                         ;
 283                                 }
 284                         }
 285                         else
 286                         if(xml->tag.title_is("OUTPOINT"))
 287                         {
 288                                 double position = xml->tag.get_property("TIME", (double)-1);
 289                                 if(position < 0)
 290                                         position = xml->tag.get_property("SAMPLE", (double)-1);
 291                                 if(position > -1)
 292                                 {
 293                                         ;
 294                                 }
 295                         }
 296                 }
 297         }while(!result);
 298         return 0;
 299 }
 300
 301
 302
 303 int Labels::clear(double start, double end, int follow)
 304 {
 305         Label *current;
 306         Label *next;
 307
 308 //printf("Labels::clear 1\n");
 309         current = label_of(start);
 310 //printf("Labels::clear 2\n");
 311 // remove selected labels
 312         while(current && current->position < end)
 313         {
 314                 next = NEXT;
 315                 delete current;
 316                 current = next;
 317         }
 318 // Shift later labels
 319 //printf("Labels::clear 3\n");
 320         if(follow)
 321         {
 322                 while(current)
 323                 {
 324                         current->position -= end - start;   // shift labels forward
 325                         current = NEXT;
 326                 }
 327 //printf("Labels::clear 4\n");
 328                 optimize();
 329 //printf("Labels::clear 5\n");
 330         }
 331
 332         return 0;
 333 }
 334
 335
 336 Label* Labels::prev_label(double position)
 337 {
 338         Label *current;
 339
 340 // Test for label under cursor position
 341         for(current = first;
 342                 current && !edl->equivalent(current->position, position);
 343                 current = NEXT)
 344                 ;
 345
 346 // Test for label after cursor position
 347         if(!current)
 348                 for(current = first;
 349                         current && current->position < position;
 350                         current = NEXT)
 351                         ;
 352
 353 // Test for label before cursor position
 354         if(!current)
 355                 current = last;
 356         else
 357 // Get previous label
 358                 current = PREVIOUS;
 359
 360         return current;
 361 }
 362
 363 Label* Labels::next_label(double position)
 364 {
 365         Label *current;
 366
 367 // Test for label under cursor position
 368         for(current = first;
 369                 current && !edl->equivalent(current->position, position);
 370                 current = NEXT)
 371                 ;
 372
 373 // Test for label before cursor position
 374         if(!current)
 375                 for(current = last;
 376                         current && current->position > position;
 377                         current = PREVIOUS)
 378                         ;
 379
 380 // Test for label after cursor position
 381         if(!current)
 382                 current = first;
 383         else
 384 // Get next label
 385                 current = NEXT;
 386
 387         return current;
 388 }
 389
 390 int Labels::insert(double start, double length)
 391 {      // shift every label including the first one back
 392         Label *current;
 393
 394         for(current = label_of(start); current; current = NEXT)
 395         {
 396                 current->position += length;
 397         }
 398         return 0;
 399 }
 400
 401 int Labels::paste_silence(double start, double end)
 402 {
 403         insert(start, end - start);
 404         optimize();
 405         return 0;
 406 }
 407
 408 int Labels::modify_handles(double oldposition,
 409         double newposition,
 410         int currentend,
 411         int handle_mode,
 412         int edit_labels)
 413 {
 414         if(edit_labels &&
 415                 handle_mode == MOVE_ALL_EDITS)
 416         {
 417                 if(currentend == 0)          // left handle
 418                 {
 419                         if(newposition < oldposition)
 420                         {
 421                                 insert(oldposition, oldposition - newposition);    // shift all labels right
 422                         }
 423                         else
 424                         {
 425                                 clear(oldposition, newposition);   // clear selection
 426                         }
 427                 }
 428                 else
 429                 {                            // right handle
 430                         if(newposition < oldposition)
 431                         {
 432                                 clear(newposition, oldposition);
 433                         }
 434                         else
 435                         {
 436                                 insert(oldposition, newposition - oldposition);
 437                         }
 438                 }
 439         }
 440         return 0;
 441 }
 442
 443 int Labels::optimize()
 444 {
 445         int result = 1;
 446         Label *current;
 447
 448         while(result)
 449         {
 450                 result = 0;
 451
 452                 for(current = first; current && NEXT && !result;)
 453                 {
 454                         Label *next = NEXT;
 455                         if(current->position == next->position)
 456                         {
 457                                 delete current;
 458                                 result  = 1;
 459                         }
 460                         current = next;
 461                 }
 462         }
 463         return 0;
 464 }
 465
 466 Label* Labels::label_of(double position)
 467 {
 468         Label *current;
 469
 470         for(current = first; current; current = NEXT)
 471         {
 472                 if(current->position >= position) return current;
 473         }
 474         return 0;
 475 }
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486 Label::Label()
 487  : ListItem<Label>()
 488 {
 489 }
 490
 491 Label::Label(EDL *edl, Labels *labels, double position, char *textstr = 0)
 492  : ListItem<Label>()
 493 {
 494         this->edl = edl;
 495         this->labels = labels;
 496         this->position = position;
 497         if (textstr)
 498                 strcpy(this->textstr, textstr);
 499         else
 500                 strcpy(this->textstr, "");
 501 }
 502
 503
 504 Label::~Label()
 505 {
 506 //      if(toggle) delete toggle;
 507 }
 508
 509 LabelToggle::LabelToggle(MWindow *mwindow,
 510         Label *label,
 511         int x,
 512         int y,
 513         long position)
 514  : BC_Label(x, y, 0)
 515 {
 516         this->mwindow = mwindow;
 517         this->label = label;
 518 }
 519
 520 LabelToggle::~LabelToggle() { }
 521
 522 int LabelToggle::handle_event()
 523 {
 524         return 0;
 525 }
 526