src/table.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *        Copyright 1995 Matthias Ettrich
   7  *        Copyright 1995-2000 The LyX Team.
   8  *
   9  * ======================================================
  10  */
  11
  12 #include <config.h>
  13
  14 #include <algorithm>
  15 #include <cstdlib>
  16
  17 #ifdef __GNUG__
  18 #pragma implementation
  19 #endif
  20
  21 #include "table.h"
  22 #include "vspace.h"
  23 #include "layout.h"
  24 #include "support/lstrings.h"
  25 #include "support/lyxmanip.h"
  26
  27 using std::max;
  28 using std::endl;
  29
  30 static int const WIDTH_OF_LINE = 5;
  31
  32
  33 /* konstruktor */
  34 LyXTable::LyXTable(int rows_arg, int columns_arg)
  35 {
  36         Init(rows_arg, columns_arg);
  37 }
  38
  39
  40 LyXTable::LyXTable(LyXLex & lex)
  41 {
  42         istream & is = lex.getStream();
  43         Read(is);
  44 }
  45
  46
  47 LyXTable::~LyXTable() {
  48         delete[] rowofcell;
  49         delete[] columnofcell;
  50         delete[] column_info;
  51         delete[] row_info;
  52         for (int i = 0; i < rows; ++i) {
  53                 delete[] cell_info[i]; // verify that this shoudn't be freed with delete
  54         }
  55         delete[] cell_info;
  56 }
  57
  58
  59 LyXTable * LyXTable::Clone()
  60 {
  61     LyXTable * result = new LyXTable(rows, columns);
  62     int row, column;;
  63
  64     for (row = 0; row < rows; ++row) {
  65         for (column = 0; column < columns; ++column) {
  66             result->cell_info[row][column] = cell_info[row][column];
  67         }
  68     }
  69
  70     for (row = 0; row < rows; ++row) {
  71         result->row_info[row] = row_info[row];
  72     }
  73
  74     for (column = 0; column < columns; ++column) {
  75         result->column_info[column].left_line = column_info[column].left_line;
  76         result->column_info[column].right_line = column_info[column].right_line;
  77         result->column_info[column].alignment = column_info[column].alignment;
  78         result->column_info[column].p_width = column_info[column].p_width;
  79         result->column_info[column].align_special = column_info[column].align_special;
  80     }
  81
  82     result->SetLongTable(is_long_table);
  83     result->rotate = rotate;
  84     result->Reinit();
  85     return result;
  86 }
  87
  88
  89 /* activates all lines and sets all widths to 0 */
  90 void LyXTable::Init(int rows_arg, int columns_arg)
  91 {
  92     int i, j;
  93     rows = rows_arg;
  94     columns = columns_arg;
  95     column_info = new columnstruct[columns];
  96     row_info = new rowstruct[rows];
  97     cell_info = new cellstruct*[rows];
  98
  99     int cellno = 0;
 100     for (i = 0; i < rows; ++i) {
 101         cell_info[i] = new cellstruct[columns];
 102         row_info[i].top_line = true;
 103         row_info[i].bottom_line = false;
 104         row_info[i].is_cont_row = false;
 105         row_info[i].newpage = false;
 106         for (j = 0; j < columns; ++j) {
 107             cell_info[i][j].cellno = cellno++;
 108             cell_info[i][j].width_of_cell = 0;
 109             cell_info[i][j].multicolumn = LyXTable::CELL_NORMAL;
 110             cell_info[i][j].alignment = LYX_ALIGN_CENTER;
 111             cell_info[i][j].top_line = row_info[i].top_line;
 112             cell_info[i][j].bottom_line = row_info[i].bottom_line;
 113             cell_info[i][j].has_cont_row = false;
 114             cell_info[i][j].rotate = false;
 115             cell_info[i][j].linebreaks = false;
 116         }
 117     }
 118     row_info[i-1].bottom_line = true;
 119     row_info[0].bottom_line = true;
 120
 121     for (i = 0; i < columns; ++i) {
 122         column_info[i].left_line = true;
 123         column_info[i].right_line = false;
 124         column_info[i].alignment = LYX_ALIGN_CENTER;
 125         // set width_of_column to zero before it is used in
 126         // calculate_width_of_column() (thornley)
 127         column_info[i].width_of_column = 0;
 128         calculate_width_of_column(i);
 129     }
 130     column_info[i-1].right_line = true;
 131
 132     calculate_width_of_table();
 133
 134     rowofcell = 0;
 135     columnofcell = 0;
 136     set_row_column_number_info();
 137     is_long_table = false;
 138     rotate = 0;
 139     endhead = -1;
 140     endfirsthead = -1;
 141     endfoot = -1;
 142     endlastfoot = -1;
 143 }
 144
 145
 146 void LyXTable::AppendRow(int cell)
 147 {
 148     int row = row_of_cell(cell);
 149     rowstruct * row_info2 = new rowstruct[rows + 1];
 150     cellstruct ** cell_info2 = new cellstruct * [rows + 1];
 151     int i;
 152
 153     for (i = 0; i <= row; ++i) {
 154         cell_info2[i] = cell_info[i];
 155         row_info2[i] = row_info[i];
 156     }
 157     for (i = rows - 1; i >= row; --i) {
 158         cell_info2[i + 1] = cell_info[i];
 159         row_info2[i + 1] = row_info[i];
 160     }
 161     for (i = row; row_info[i].is_cont_row; --i);
 162     if (((row + 1) >= rows) || !row_info[row + 1].is_cont_row)
 163         row_info2[row + 1].is_cont_row = false;
 164     row_info2[row + 1].top_line = row_info[i].top_line;
 165     cell_info2[row + 1] = new cellstruct[columns];
 166     for (i = 0; i < columns; ++i) {
 167         cell_info2[row + 1][i].width_of_cell = 0;
 168         cell_info2[row + 1][i] = cell_info2[row][i];
 169     }
 170
 171     delete[] cell_info;
 172     cell_info = cell_info2;
 173     delete[] row_info;
 174     row_info = row_info2;
 175
 176     ++rows;
 177
 178     Reinit();
 179 }
 180
 181
 182 void LyXTable::DeleteRow(int cell)
 183 {
 184         int row = row_of_cell(cell);
 185         while(!row_info[row].is_cont_row && RowHasContRow(cell))
 186             DeleteRow(cell_info[row+1][0].cellno);
 187         rowstruct * row_info2 = new rowstruct[rows - 1];
 188         cellstruct ** cell_info2 = new cellstruct * [rows - 1];
 189
 190         delete[] cell_info[row];
 191         int i = 0;
 192         for (; i < row; ++i) {
 193                 cell_info2[i] = cell_info[i];
 194                 row_info2[i] = row_info[i];
 195         }
 196         if (row_info[i].is_cont_row)
 197             row_info2[i - 1].bottom_line = row_info[i].bottom_line;
 198         for (i = row; i < rows - 1; ++i) {
 199                 cell_info2[i] = cell_info[i + 1];
 200                 row_info2[i] = row_info[i + 1];
 201         }
 202
 203         delete[] cell_info;
 204         cell_info = cell_info2;
 205         delete[] row_info;
 206         row_info = row_info2;
 207
 208         --rows;
 209
 210         Reinit();
 211 }
 212
 213
 214 void LyXTable::AppendColumn(int cell)
 215 {
 216     int j;
 217     columnstruct * column_info2 = new columnstruct[columns + 1];
 218     int column = right_column_of_cell(cell);
 219
 220     int i = 0;
 221     for (; i <= column; ++i) {
 222         column_info2[i] = column_info[i];
 223     }
 224     for (i = columns - 1; i >= column; --i) {
 225         column_info2[i + 1] = column_info[i];
 226     }
 227
 228     delete[] column_info;
 229     column_info = column_info2;
 230
 231     for (i = 0; i < rows; ++i) {
 232         cellstruct * tmp = cell_info[i];
 233         cell_info[i] = new cellstruct[columns + 1];
 234         for (j = 0; j <= column; ++j) {
 235             cell_info[i][j] = tmp[j];
 236         }
 237         for (j = column; j < columns; ++j) {
 238             cell_info[i][j + 1] = tmp[j];
 239         }
 240         // care about multicolumns
 241         if (cell_info[i][column + 1].multicolumn
 242             == LyXTable::CELL_BEGIN_OF_MULTICOLUMN){
 243             cell_info[i][column + 1].multicolumn =
 244                 LyXTable::CELL_PART_OF_MULTICOLUMN;
 245         }
 246         if (column + 1 == columns
 247             || cell_info[i][column + 2].multicolumn
 248             != LyXTable::CELL_PART_OF_MULTICOLUMN){
 249             cell_info[i][column + 1].multicolumn =
 250                 LyXTable::CELL_NORMAL;
 251         }
 252         delete[] tmp;
 253     }
 254
 255     ++columns;
 256     Reinit();
 257 }
 258
 259
 260 void LyXTable::Reinit()
 261 {
 262         int j;
 263
 264         int i = 0;
 265         for (; i < rows; ++i) {
 266                 for (j = 0; j < columns; ++j) {
 267                         cell_info[i][j].width_of_cell = 0;
 268                         if ((i + 1 < rows) && !row_info[i+1].is_cont_row)
 269                             cell_info[i][j].has_cont_row = false;
 270                 }
 271         }
 272
 273         for (i = 0; i < columns; ++i) {
 274                 calculate_width_of_column(i);
 275         }
 276         calculate_width_of_table();
 277
 278         set_row_column_number_info();
 279 }
 280
 281
 282 void LyXTable::set_row_column_number_info()
 283 {
 284         int c = 0;
 285         int column = 0;
 286         numberofcells = -1;
 287         int row = 0;
 288         for (; row < rows; ++row) {
 289                 for (column = 0; column<columns; ++column) {
 290                         if (cell_info[row][column].multicolumn
 291                             != LyXTable::CELL_PART_OF_MULTICOLUMN)
 292                                 ++numberofcells;
 293                         cell_info[row][column].cellno = numberofcells;
 294                 }
 295         }
 296         ++numberofcells; // because this is one more than as we start from 0
 297         row = 0;
 298         column = 0;
 299
 300         delete [] rowofcell;
 301         rowofcell = new int[numberofcells];
 302         delete [] columnofcell;
 303         columnofcell = new int[numberofcells];
 304
 305         while (c < numberofcells && row < rows && column < columns) {
 306                 rowofcell[c] = row;
 307                 columnofcell[c] = column;
 308                 ++c;
 309                 do {
 310                         ++column;
 311                 } while (column < columns &&
 312                          cell_info[row][column].multicolumn
 313                          == LyXTable::CELL_PART_OF_MULTICOLUMN);
 314                 if (column == columns) {
 315                         column = 0;
 316                         ++row;
 317                 }
 318         }
 319 }
 320
 321
 322 void LyXTable::DeleteColumn(int cell)
 323 {
 324         int column1 = column_of_cell(cell);
 325         int column2 = right_column_of_cell(cell);
 326
 327         if (column1 == 0 && column2 == columns - 1)
 328                 return;
 329
 330         for (int column = column1; column <= column2; ++column) {
 331                 delete_column(column1);
 332         }
 333         Reinit();
 334 }
 335
 336
 337 int LyXTable::GetNumberOfCells()
 338 {
 339         return numberofcells;
 340 }
 341
 342
 343 int LyXTable::NumberOfCellsInRow(int cell)
 344 {
 345         int row = row_of_cell(cell);
 346         int result = 0;
 347         for (int i = 0; i < columns; ++i) {
 348                 if (cell_info[row][i].multicolumn != LyXTable::CELL_PART_OF_MULTICOLUMN)
 349                         ++result;
 350         }
 351         return result;
 352 }
 353
 354
 355 int LyXTable::AppendCellAfterCell(int append_cell, int question_cell)
 356 {
 357         return (right_column_of_cell(append_cell) ==
 358                 right_column_of_cell(question_cell));
 359 }
 360
 361
 362 int LyXTable::DeleteCellIfColumnIsDeleted(int cell, int delete_column_cell)
 363 {
 364     if (column_of_cell(delete_column_cell) == 0 &&
 365         right_column_of_cell(delete_column_cell) == columns - 1)
 366         return 0;
 367     else
 368         return
 369             (column_of_cell(cell) >= column_of_cell(delete_column_cell) &&
 370              column_of_cell(cell) <= right_column_of_cell(delete_column_cell));
 371 }
 372
 373
 374 /* returns 1 if there is a topline, returns 0 if not */
 375 bool LyXTable::TopLine(int cell)
 376 {
 377     int row = row_of_cell(cell);
 378
 379     if (IsContRow(cell))
 380         return TopLine(cell_info[row-1][column_of_cell(cell)].cellno);
 381     if (IsMultiColumn(cell))
 382         return cellinfo_of_cell(cell)->top_line;
 383     return row_info[row].top_line;
 384 }
 385
 386
 387 bool LyXTable::BottomLine(int cell)
 388 {
 389     //no bottom line underneath non-existent cells if you please
 390     if(cell >= numberofcells)
 391         return false;
 392
 393     int row = row_of_cell(cell);
 394
 395     if (RowHasContRow(cell))
 396         return BottomLine(cell_info[row+1][column_of_cell(cell)].cellno);
 397     if (IsMultiColumn(cell))
 398         return cellinfo_of_cell(cell)->bottom_line;
 399     return row_info[row_of_cell(cell)].bottom_line;
 400 }
 401
 402
 403 bool LyXTable::LeftLine(int cell)
 404 {
 405         return column_info[column_of_cell(cell)].left_line;
 406 }
 407
 408
 409 bool LyXTable::RightLine(int cell)
 410 {
 411         return column_info[right_column_of_cell(cell)].right_line;
 412 }
 413
 414
 415 bool LyXTable::TopAlreadyDrawed(int cell)
 416 {
 417         if (AdditionalHeight(cell))
 418                 return false;
 419         int row = row_of_cell(cell);
 420         if (row > 0){
 421                 int column = column_of_cell(cell);
 422                 while (column
 423                        && cell_info[row-1][column].multicolumn
 424                        == LyXTable::CELL_PART_OF_MULTICOLUMN)
 425                         --column;
 426                 if (cell_info[row-1][column].multicolumn
 427                     == LyXTable::CELL_NORMAL)
 428                         return row_info[row-1].bottom_line;
 429                 else
 430                         return cell_info[row-1][column].bottom_line;
 431         }
 432         return false;
 433 }
 434
 435
 436 bool LyXTable::VeryLastRow(int cell)
 437 {
 438         return (row_of_cell(cell) == rows - 1);
 439 }
 440
 441
 442 int LyXTable::AdditionalHeight(int cell)
 443 {
 444         int row = row_of_cell(cell);
 445         if (!row) return 0;
 446
 447         int top = 1; // bool top = true; ??
 448         int bottom = 1; // bool bottom = true; ??
 449         int column;
 450
 451         for (column = 0; column < columns - 1 && bottom; ++column) {
 452                 switch (cell_info[row - 1][column].multicolumn) {
 453                 case LyXTable::CELL_BEGIN_OF_MULTICOLUMN:
 454                         bottom = cell_info[row - 1][column].bottom_line;
 455                         break;
 456                 case LyXTable::CELL_NORMAL:
 457                         bottom = row_info[row - 1].bottom_line;
 458                 }
 459         }
 460         for (column = 0; column < columns - 1 && top; ++column) {
 461                 switch (cell_info[row][column].multicolumn){
 462                 case LyXTable::CELL_BEGIN_OF_MULTICOLUMN:
 463                         top = cell_info[row][column].top_line;
 464                         break;
 465                 case LyXTable::CELL_NORMAL:
 466                         top = row_info[row].top_line;
 467                 }
 468         }
 469         if (top && bottom)
 470                 return WIDTH_OF_LINE;
 471         return 0;
 472 }
 473
 474
 475 int LyXTable::AdditionalWidth(int cell)
 476 {
 477         // internally already set in SetWidthOfCell
 478         // used to get it back in text.C
 479         int col = right_column_of_cell(cell);
 480         if (col < columns - 1 && column_info[col].right_line &&
 481             column_info[col+1].left_line)
 482                 return WIDTH_OF_LINE;
 483         else
 484                 return 0;
 485 }
 486
 487
 488 // returns the maximum over all rows
 489 int LyXTable::WidthOfColumn(int cell)
 490 {
 491         int column1 = column_of_cell(cell);
 492         int column2 = right_column_of_cell(cell);
 493         int result = 0;
 494         int i = column1;
 495         for (; i <= column2; ++i) {
 496                 result += column_info[i].width_of_column;
 497         }
 498         return result;
 499 }
 500
 501
 502 int LyXTable::WidthOfTable()
 503 {
 504         return width_of_table;
 505 }
 506
 507 /* returns 1 if a complete update is necessary, otherwise 0 */
 508 bool LyXTable::SetWidthOfMulticolCell(int cell, int new_width)
 509 {
 510     if (!IsMultiColumn(cell))
 511         return false;
 512
 513     int row = row_of_cell(cell);
 514     int column1 = column_of_cell(cell);
 515     int column2 = right_column_of_cell(cell);
 516
 517     // first set columns to 0 so we can calculate the right width
 518     int i = column1;
 519     for (; i <= column2; ++i) {
 520         cell_info[row][i].width_of_cell = 0;
 521     }
 522     // set the width to MAX_WIDTH until width > 0
 523     int width = (new_width + 2 * WIDTH_OF_LINE);
 524     for (i = column1; (i < column2) && (width > 0); ++i) {
 525         cell_info[row][i].width_of_cell = column_info[i].width_of_column;
 526         width -= column_info[i].width_of_column;
 527     }
 528     if (i == column2) {
 529         cell_info[row][i].width_of_cell = width;
 530     }
 531     return true;
 532 }
 533
 534
 535 void LyXTable::recalculateMulticolCells(int cell, int new_width)
 536 {
 537         int row = row_of_cell(cell);
 538         int column1 = column_of_cell(cell);
 539         int column2 = right_column_of_cell(cell);
 540
 541     // first set columns to 0 so we can calculate the right width
 542         int i = column1;
 543     for (; i <= column2; ++i)
 544         cell_info[row][i].width_of_cell = 0;
 545     for(i = cell + 1; (i < numberofcells) && (!IsMultiColumn(i)); ++i)
 546         ;
 547     if (i < numberofcells)
 548         recalculateMulticolCells(i, GetWidthOfCell(i) - (2 * WIDTH_OF_LINE));
 549     SetWidthOfMulticolCell(cell, new_width);
 550 }
 551
 552
 553 /* returns 1 if a complete update is necessary, otherwise 0 */
 554 bool LyXTable::SetWidthOfCell(int cell, int new_width)
 555 {
 556     int row = row_of_cell(cell);
 557     int column1 = column_of_cell(cell);
 558     int tmp = 0;
 559     int width = 0;
 560
 561     if (IsMultiColumn(cell)) {
 562         tmp = SetWidthOfMulticolCell(cell, new_width);
 563     } else {
 564         width = (new_width + 2*WIDTH_OF_LINE);
 565         cell_info[row][column1].width_of_cell = width;
 566         if (column_info[column1].right_line && (column1 < columns-1) &&
 567             column_info[column1+1].left_line) // additional width
 568             cell_info[row][column1].width_of_cell += WIDTH_OF_LINE;
 569         tmp = calculate_width_of_column_NMC(column1);
 570     }
 571     if (tmp) {
 572         int i;
 573         for(i = 0; i<columns;++i)
 574             calculate_width_of_column_NMC(i);
 575         for(i = 0; (i<numberofcells) && !IsMultiColumn(i); ++i)
 576             ;
 577         if (i<numberofcells)
 578             recalculateMulticolCells(i, GetWidthOfCell(i)-(2*WIDTH_OF_LINE));
 579         for(i = 0; i<columns;++i)
 580             calculate_width_of_column(i);
 581         calculate_width_of_table();
 582         return true;
 583     }
 584     return false;
 585 }
 586
 587
 588 bool LyXTable::SetAlignment(int cell, char align)
 589 {
 590     if (!IsMultiColumn(cell))
 591         column_info[column_of_cell(cell)].alignment = align;
 592     cellinfo_of_cell(cell)->alignment = align;
 593     return true;
 594 }
 595
 596 bool LyXTable::SetPWidth(int cell, string width)
 597 {
 598     int fvcell = FirstVirtualCell(cell);
 599
 600     if (IsMultiColumn(fvcell)) {
 601 //        if (column_info[column_of_cell(cell)].p_width.empty())
 602 //            column_info[column_of_cell(cell)].p_width = width;
 603         cellinfo_of_cell(fvcell)->p_width = width;
 604     } else {
 605         column_info[column_of_cell(fvcell)].p_width = width;
 606         if (!width.empty()) // do this only if there is a width
 607                 SetAlignment(cell, LYX_ALIGN_LEFT);
 608     }
 609     return true;
 610 }
 611
 612 bool LyXTable::SetAlignSpecial(int cell, string special, int what)
 613 {
 614     if (what == SET_SPECIAL_MULTI)
 615         cellinfo_of_cell(cell)->align_special = special;
 616     else
 617         column_info[column_of_cell(cell)].align_special = special;
 618     return true;
 619 }
 620
 621 bool LyXTable::SetAllLines(int cell, bool line)
 622 {
 623     SetTopLine(cell, line);
 624     SetBottomLine(cell, line);
 625     SetRightLine(cell, line);
 626     SetLeftLine(cell, line);
 627     return true;
 628 }
 629
 630 bool LyXTable::SetTopLine(int cell, bool line)
 631 {
 632     int row = row_of_cell(cell);
 633
 634     if (IsContRow(cell))
 635         SetTopLine(cell_info[row-1][column_of_cell(cell)].cellno, line);
 636     else if (!IsMultiColumn(cell))
 637         row_info[row].top_line = line;
 638     else
 639         cellinfo_of_cell(cell)->top_line = line;
 640     return true;
 641 }
 642
 643
 644 bool LyXTable::SetBottomLine(int cell, bool line)
 645 {
 646     int row = row_of_cell(cell);
 647
 648     if (RowHasContRow(cell))
 649         SetBottomLine(cell_info[row+1][column_of_cell(cell)].cellno, line);
 650     else if (!IsMultiColumn(cell))
 651         row_info[row_of_cell(cell)].bottom_line = line;
 652     else
 653         cellinfo_of_cell(cell)->bottom_line = line;
 654     return true;
 655 }
 656
 657
 658 bool LyXTable::SetLeftLine(int cell, bool line)
 659 {
 660         column_info[column_of_cell(cell)].left_line = line;
 661         return true;
 662 }
 663
 664
 665 bool LyXTable::SetRightLine(int cell, bool line)
 666 {
 667         column_info[right_column_of_cell(cell)].right_line = line;
 668         return true;
 669 }
 670
 671
 672 char LyXTable::GetAlignment(int cell)
 673 {
 674         if (IsMultiColumn(cell))
 675                 return cellinfo_of_cell(cell)->alignment;
 676         else
 677                 return column_info[column_of_cell(cell)].alignment;
 678 }
 679
 680 string LyXTable::GetPWidth(int cell)
 681 {
 682         int fvcell = FirstVirtualCell(cell);
 683
 684         if (IsMultiColumn(fvcell)) // && !cellinfo_of_cell(cell)->p_width.empty())
 685                 return cellinfo_of_cell(fvcell)->p_width;
 686         return column_info[column_of_cell(fvcell)].p_width;
 687 }
 688
 689 string LyXTable::GetAlignSpecial(int cell, int what)
 690 {
 691     if (what == SET_SPECIAL_MULTI)
 692         return cellinfo_of_cell(cell)->align_special;
 693     return column_info[column_of_cell(cell)].align_special;
 694 }
 695
 696 int LyXTable::GetWidthOfCell(int cell)
 697 {
 698         int row = row_of_cell(cell);
 699         int column1 = column_of_cell(cell);
 700         int column2 = right_column_of_cell(cell);
 701         int result = 0;
 702         int i = column1;
 703         for (; i <= column2; ++i) {
 704                 result += cell_info[row][i].width_of_cell;
 705         }
 706
 707         result += AdditionalWidth(cell);
 708
 709         return result;
 710 }
 711
 712
 713 int LyXTable::GetBeginningOfTextInCell(int cell)
 714 {
 715         int x = 0;
 716
 717         switch (GetAlignment(cell)){
 718         case LYX_ALIGN_CENTER:
 719                 x += (WidthOfColumn(cell) - GetWidthOfCell(cell)) / 2;
 720                 break;
 721         case LYX_ALIGN_RIGHT:
 722                 x += WidthOfColumn(cell) - GetWidthOfCell(cell) + AdditionalWidth(cell);
 723                 break;
 724         default: /* LYX_ALIGN_LEFT: nothing :-) */
 725                 break;
 726         }
 727
 728         // the LaTeX Way :-(
 729         x += WIDTH_OF_LINE;
 730         return x;
 731 }
 732
 733
 734 bool LyXTable::IsFirstCell(int cell)
 735 {
 736         return (column_of_cell(cell) == 0);
 737 }
 738
 739 bool LyXTable::IsLastCell(int cell)
 740 {
 741         return (right_column_of_cell(cell) == (columns - 1));
 742 }
 743
 744
 745 bool LyXTable::calculate_width_of_column(int column)
 746 {
 747         int old_column_width = column_info[column].width_of_column;
 748         int maximum = 0;
 749
 750         for (int i = 0; i < rows; ++i) {
 751                 maximum = max(cell_info[i][column].width_of_cell, maximum);
 752         }
 753         column_info[column].width_of_column = maximum;
 754         return (column_info[column].width_of_column != old_column_width);
 755 }
 756
 757 bool LyXTable::calculate_width_of_column_NMC(int column)
 758 {
 759     int old_column_width = column_info[column].width_of_column;
 760     int max = 0;
 761     for (int i = 0; i < rows; ++i) {
 762         if (!IsMultiColumn(GetCellNumber(column, i)) &&
 763             (cell_info[i][column].width_of_cell > max)) {
 764             max = cell_info[i][column].width_of_cell;
 765         }
 766     }
 767     column_info[column].width_of_column = max;
 768     return (column_info[column].width_of_column != old_column_width);
 769 }
 770
 771 void LyXTable::calculate_width_of_table()
 772 {
 773         width_of_table = 0;
 774         for (int i = 0; i < columns; ++i) {
 775                 width_of_table += column_info[i].width_of_column;
 776         }
 777 }
 778
 779
 780 int LyXTable::row_of_cell(int cell)
 781 {
 782     if (cell >= numberofcells)
 783         return rows-1;
 784     else if (cell < 0)
 785         return 0;
 786     return rowofcell[cell];
 787 }
 788
 789
 790 int LyXTable::column_of_cell(int cell)
 791 {
 792     if (cell >= numberofcells)
 793         return columns-1;
 794     else if (cell < 0)
 795         return 0;
 796     return columnofcell[cell];
 797 }
 798
 799
 800 int LyXTable::right_column_of_cell(int cell)
 801 {
 802         int row = row_of_cell(cell);
 803         int column = column_of_cell(cell);
 804         while (column < columns - 1 &&
 805                cell_info[row][column+1].multicolumn == LyXTable::CELL_PART_OF_MULTICOLUMN)
 806                 ++column;
 807         return column;
 808 }
 809
 810
 811 void LyXTable::Write(ostream & os)
 812 {
 813     int i, j;
 814     os << "multicol5\n"
 815        << rows << " " << columns << " " << is_long_table << " "
 816        << rotate << " " << endhead << " " << endfirsthead << " "
 817        << endfoot << " " << endlastfoot << "\n";
 818     for (i = 0; i < rows; ++i) {
 819             os << row_info[i].top_line << " "
 820                << row_info[i].bottom_line << " "
 821                << row_info[i].is_cont_row << " "
 822                << row_info[i].newpage << "\n";
 823     }
 824     for (i = 0; i < columns; ++i) {
 825             os << column_info[i].alignment << " "
 826                << column_info[i].left_line << " "
 827                << column_info[i].right_line << " \""
 828                << VSpace(column_info[i].p_width).asLyXCommand() << "\" \""
 829                << column_info[i].align_special << "\"\n";
 830     }
 831
 832     for (i = 0; i < rows; ++i) {
 833         for (j = 0; j < columns; ++j) {
 834                 os << cell_info[i][j].multicolumn << " "
 835                    << cell_info[i][j].alignment << " "
 836                    << cell_info[i][j].top_line << " "
 837                    << cell_info[i][j].bottom_line << " "
 838                    << cell_info[i][j].has_cont_row << " "
 839                    << cell_info[i][j].rotate << " "
 840                    << cell_info[i][j].linebreaks << " \""
 841                    << cell_info[i][j].align_special << "\" \""
 842                    << cell_info[i][j].p_width << "\"\n";
 843         }
 844     }
 845 }
 846
 847
 848 void LyXTable::Read(istream & is)
 849 {
 850         int version;
 851         int i, j;
 852         int rows_arg = 0;
 853         int columns_arg = 0;
 854         int is_long_table_arg = false;
 855         int rotate_arg = false;
 856         int a = -1;
 857         int b = -1;
 858         int c = -1;
 859         int d = -1;
 860         int e = 0;
 861         int f = 0;
 862         int g = 0;
 863         int h = 0;
 864
 865         string s;
 866         getline(is, s);
 867         if (s.length() > 8)
 868                 version = atoi(s.c_str() + 8);
 869         else
 870                 version = 1;
 871 #ifdef WITH_WARNINGS
 872 #warning Insert a error message window here that this format is not supported anymore
 873 #endif
 874         if (version < 5) {
 875                 lyxerr << "Tabular format < 5 is not supported anymore\n"
 876                         "Get an older version of LyX (< 1.1.x) for conversion!"
 877                        << endl;
 878                 if (version > 2) {
 879                         is >> rows_arg >> columns_arg >> is_long_table_arg
 880                            >> rotate_arg >> a >> b >> c >> d;
 881                 } else
 882                         is >> rows_arg >> columns_arg;
 883                 Init(rows_arg, columns_arg);
 884                 SetLongTable(is_long_table_arg);
 885                 SetRotateTable(rotate_arg);
 886                 string tmp;
 887                 for (i = 0; i < rows; ++i) {
 888                         getline(is, tmp);
 889                 }
 890                 for (i = 0; i < columns; ++i) {
 891                         getline(is, tmp);
 892                 }
 893                 for (i = 0; i < rows; ++i) {
 894                         for (j = 0; j < columns; ++j) {
 895                                 getline(is, tmp);
 896                         }
 897                 }
 898                 set_row_column_number_info();
 899                 return;
 900         }
 901         is >> rows_arg >> columns_arg >> is_long_table_arg
 902            >> rotate_arg >> a >> b >> c >> d;
 903         Init(rows_arg, columns_arg);
 904         SetLongTable(is_long_table_arg);
 905         SetRotateTable(rotate_arg);
 906         endhead = a;
 907         endfirsthead = b;
 908         endfoot = c;
 909         endlastfoot = d;
 910         for (i = 0; i < rows; ++i) {
 911                 a = b = c = d = e = f = g = h = 0;
 912                 is >> a >> b >> c >> d;
 913                 row_info[i].top_line = a;
 914                 row_info[i].bottom_line = b;
 915                 row_info[i].is_cont_row = c;
 916                 row_info[i].newpage = d;
 917         }
 918         for (i = 0; i < columns; ++i) {
 919                 string s1;
 920                 string s2;
 921                 is >> a >> b >> c;
 922                 char ch; // skip '"'
 923                 is >> ch;
 924                 getline(is, s1, '"');
 925                 is >> ch; // skip '"'
 926                 getline(is, s2, '"');
 927                 column_info[i].alignment = static_cast<char>(a);
 928                 column_info[i].left_line = b;
 929                 column_info[i].right_line = c;
 930                 column_info[i].p_width = s1;
 931                 column_info[i].align_special = s2;
 932         }
 933         for (i = 0; i < rows; ++i) {
 934                 for (j = 0; j < columns; ++j) {
 935                         string s1;
 936                         string s2;
 937                         is >> a >> b >> c >> d >> e >> f >> g;
 938                         char ch;
 939                         is >> ch; // skip '"'
 940                         getline(is, s1, '"');
 941                         is >> ch; // skip '"'
 942                         getline(is, s2, '"');
 943                         cell_info[i][j].multicolumn = static_cast<char>(a);
 944                         cell_info[i][j].alignment = static_cast<char>(b);
 945                         cell_info[i][j].top_line = static_cast<char>(c);
 946                         cell_info[i][j].bottom_line = static_cast<char>(d);
 947                         cell_info[i][j].has_cont_row = static_cast<bool>(e);
 948                         cell_info[i][j].rotate = static_cast<bool>(f);
 949                         cell_info[i][j].linebreaks = static_cast<bool>(g);
 950                         cell_info[i][j].align_special = s1;
 951                         cell_info[i][j].p_width = s2;
 952                 }
 953         }
 954         set_row_column_number_info();
 955 }
 956
 957
 958 // cell <0 will tex the preamble
 959 // returns the number of printed newlines
 960 int LyXTable::TexEndOfCell(ostream & os, int cell)
 961 {
 962     int i;
 963     int ret = 0;
 964     int tmp; // tmp2;
 965     int fcell, nvcell;
 966     if (ShouldBeVeryLastCell(cell)) {
 967         // the very end at the very beginning
 968         if (Linebreaks(cell))
 969                 os << "\\smallskip{}}";
 970         if (IsMultiColumn(cell))
 971                 os << '}';
 972         if (RotateCell(cell)) {
 973                 os << "\n\\end{sideways}";
 974             ++ret;
 975         }
 976         os << "\\\\\n";
 977         ++ret;
 978
 979         tmp = 0;
 980         fcell = cell;
 981         while (!IsFirstCell(fcell)) --fcell;
 982         for (i = 0; i < NumberOfCellsInRow(fcell); ++i) {
 983             if (BottomLine(fcell + i))
 984                 ++tmp;
 985         }
 986         if (tmp == NumberOfCellsInRow(fcell)) {
 987                 os << "\\hline ";
 988         } else {
 989             tmp = 0;
 990             for (i = 0; i < NumberOfCellsInRow(fcell); ++i) {
 991                 if (BottomLine(fcell + i)) {
 992                         os << "\\cline{"
 993                            << column_of_cell(fcell + i) + 1
 994                            << '-'
 995                            << right_column_of_cell(fcell + i) + 1
 996                            << "} ";
 997                     tmp = 1;
 998                 }
 999             }
1000         }
1001         if (tmp){
1002                 os << '\n';
1003             ++ret;
1004         }
1005         if (is_long_table)
1006                 os << "\\end{longtable}";
1007         else
1008                 os << "\\end{tabular}";
1009         if (rotate) {
1010                 os << "\n\\end{sideways}";
1011             ++ret;
1012         }
1013     } else {
1014         nvcell = NextVirtualCell(cell + 1);
1015         if (cell < 0){
1016             // preamble
1017             if (rotate) {
1018                     os << "\\begin{sideways}\n";
1019                 ++ret;
1020             }
1021             if (is_long_table)
1022                     os << "\\begin{longtable}{";
1023             else
1024                     os << "\\begin{tabular}{";
1025             for (i = 0; i < columns; ++i) {
1026                 if (column_info[i].left_line)
1027                         os << '|';
1028                 if (!column_info[i].align_special.empty()) {
1029                         os << column_info[i].align_special;
1030                 } else if (!column_info[i].p_width.empty()) {
1031                         os << "p{"
1032                            << column_info[i].p_width
1033                            << '}';
1034                 } else {
1035                     switch (column_info[i].alignment) {
1036                       case LYX_ALIGN_LEFT:
1037                               os << 'l';
1038                           break;
1039                       case LYX_ALIGN_RIGHT:
1040                               os << 'r';
1041                           break;
1042                       default:
1043                               os << 'c';
1044                           break;
1045                     }
1046                 }
1047                 if (column_info[i].right_line)
1048                         os << '|';
1049             }
1050             os << "}\n";
1051             ++ret;
1052             tmp = 0;
1053             if (GetNumberOfCells()) {
1054                 fcell = 0;
1055                 for (i = 0; i < NumberOfCellsInRow(fcell); ++i) {
1056                     if (TopLine(fcell + i))
1057                         ++tmp;
1058                 }
1059                 if (tmp == NumberOfCellsInRow(fcell)){
1060                         os << "\\hline ";
1061                 } else {
1062                     tmp = 0;
1063                     for (i = 0; i < NumberOfCellsInRow(fcell); ++i) {
1064                         if (TopLine(fcell + i)) {
1065                                 os << "\\cline{"
1066                                    << column_of_cell(fcell + i) + 1
1067                                    << '-'
1068                                    << right_column_of_cell(fcell + i) + 1
1069                                    << "} ";
1070                                 tmp = 1;
1071                         }
1072                     }
1073                 }
1074                 if (tmp){
1075                         os << '\n';
1076                     ++ret;
1077                 }
1078             }
1079             if (RotateCell(0)) {
1080                     os << "\\begin{sideways}\n";
1081                 ++ret;
1082             }
1083         } else {
1084             // usual cells
1085             if (Linebreaks(cell))
1086                     os << "\\smallskip{}}";
1087             if (IsMultiColumn(cell)){
1088                     os << '}';
1089             }
1090             if (RotateCell(cell)) {
1091                     os << "\n\\end{sideways}";
1092                 ++ret;
1093             }
1094             if (IsLastCell(cell)) {
1095                 int row = row_of_cell(cell);
1096                 string hline1, hline2;
1097                 bool print_hline = true;
1098                 bool flag1 = IsLongTable() &&
1099                     ((row == endhead) || (row == endfirsthead) ||
1100                      (row == endfoot) || (row == endlastfoot));
1101                 ++row;
1102                 bool flag2 = IsLongTable() &&
1103                     ((row <= endhead) || (row <= endfirsthead) ||
1104                      (row <= endfoot) || (row <= endlastfoot));
1105                 --row;
1106                 // print the bottom hline only if (otherwise it is doubled):
1107                 // - is no LongTable
1108                 // - there IS a first-header
1109                 // - the next row is no special header/footer
1110                 //   & this row is no special header/footer
1111                 // - the next row is a special header/footer
1112                 //   & this row is a special header/footer
1113                 bool pr_top_hline = (flag1 && flag2) || (!flag1 && !flag2) ||
1114                     (endfirsthead == endhead);
1115                 os << "\\\\\n";
1116                 ++ret;
1117                 tmp = 0;
1118                 fcell = cell;
1119                 while (!IsFirstCell(fcell))
1120                     --fcell;
1121                 for (i = 0; i < NumberOfCellsInRow(cell); ++i) {
1122                     if (BottomLine(fcell + i))
1123                         ++tmp;
1124                 }
1125                 if (tmp == NumberOfCellsInRow(cell)){
1126                         os << "\\hline ";
1127                     hline1 = "\\hline ";
1128                 } else {
1129                     tmp = 0;
1130                     for (i = 0; i < NumberOfCellsInRow(fcell); ++i) {
1131                         if (BottomLine(fcell + i)){
1132                                 os << "\\cline{"
1133                                    << column_of_cell(fcell + i) + 1
1134                                    << '-'
1135                                    << right_column_of_cell(fcell + i) + 1
1136                                    << "} ";
1137                             hline1 += "\\cline{";
1138                             hline1 += tostr(column_of_cell(fcell + i) + 1);
1139                             hline1 += '-';
1140                             hline1 += tostr(right_column_of_cell(fcell + i) + 1);
1141                             hline1 += "} ";
1142                             tmp = 1;
1143                         }
1144                     }
1145                 }
1146                 if (tmp){
1147                         os << '\n';
1148                     ++ret;
1149                 }
1150                 if (IsLongTable() && (row == endfoot)) {
1151                         os << "\\endfoot\n";
1152                     ++ret;
1153                     print_hline = false; // no double line below footer
1154                 }
1155                 if (IsLongTable() && (row == endlastfoot)) {
1156                         os << "\\endlastfoot\n";
1157                     ++ret;
1158                     print_hline = false; // no double line below footer
1159                 }
1160                 if (IsLongTable() && row_info[row].newpage) {
1161                         os << "\\newpage\n";
1162                     ++ret;
1163                     print_hline = false; // no line below a \\newpage-command
1164                 }
1165                 tmp = 0;
1166                 if (nvcell < numberofcells
1167                     && (cell < GetNumberOfCells() - 1)
1168                     && !ShouldBeVeryLastCell(cell)) {
1169                     fcell = nvcell;
1170                     for (i = 0; i < NumberOfCellsInRow(fcell); ++i) {
1171                         if (TopLine(fcell + i))
1172                             ++tmp;
1173                     }
1174                     if (tmp == NumberOfCellsInRow(fcell)) {
1175                         if (print_hline)
1176                                 os << "\\hline ";
1177                         hline2 = "\\hline ";
1178                     } else {
1179                         tmp = 0;
1180                         for (i = 0; i < NumberOfCellsInRow(fcell); ++i) {
1181                             if (TopLine(fcell + i)) {
1182                                 if (print_hline) {
1183                                         os << "\\cline{"
1184                                            << column_of_cell(fcell + i) + 1
1185                                            << '-'
1186                                            << right_column_of_cell(fcell + i) + 1
1187                                            << "} ";
1188                                 }
1189                                 hline2 += "\\cline{";
1190                                 hline2 += tostr(column_of_cell(fcell+i)+1);
1191                                 hline2 += '-';
1192                                 hline2 += tostr(right_column_of_cell(fcell+i)+1);
1193                                 hline2 += "} ";
1194                                 tmp = 1;
1195                             }
1196                         }
1197                     }
1198                     if (tmp && print_hline){
1199                             os << '\n';
1200                         ++ret;
1201                     }
1202                 }
1203                 // the order here is important as if one defines two
1204                 // or more things in one line only the first entry is
1205                 // displayed the other are set to an empty-row. This
1206                 // is important if I have a footer and want that the
1207                 // lastfooter is NOT displayed!!!
1208                 bool sflag2 = (row == endhead) || (row == endfirsthead) ||
1209                     (row == endfoot) || (row == endlastfoot);
1210                 --row;
1211 //                sflag2 = IsLongTable() && (row >= 0) &&
1212 //                    (sflag2 || (row == endhead) || (row == endfirsthead));
1213                 row += 2;
1214                 bool sflag1 = IsLongTable() && (row != endhead) &&
1215                     (row != endfirsthead) &&
1216                     ((row == endfoot) || (row == endlastfoot));
1217                 --row;
1218                 if (IsLongTable() && (row == endhead)) {
1219                         os << "\\endhead\n";
1220                     ++ret;
1221                 }
1222                 if (IsLongTable() && (row == endfirsthead)) {
1223                         os << "\\endfirsthead\n";
1224                     ++ret;
1225                 }
1226                 if (sflag1) { // add the \hline for next foot row
1227                     if (!hline1.empty()) {
1228                             os << hline1 + '\n';
1229                         ++ret;
1230                     }
1231                 }
1232                 // add the \hline for the first row
1233                 if (pr_top_hline && sflag2) {
1234                     if (!hline2.empty()) {
1235                             os << hline2 + '\n';
1236                         ++ret;
1237                     }
1238                 }
1239                 if (nvcell < numberofcells && RotateCell(nvcell)) {
1240                         os << "\\begin{sideways}\n";
1241                     ++ret;
1242                 }
1243             } else {
1244                     os << "&\n";
1245                 ++ret;
1246                 if (nvcell < numberofcells && RotateCell(nvcell)) {
1247                         os << "\\begin{sideways}\n";
1248                     ++ret;
1249                 }
1250             }
1251         }
1252         if (nvcell < numberofcells && IsMultiColumn(nvcell)) {
1253                 os << "\\multicolumn{"
1254                    << cells_in_multicolumn(nvcell)
1255                    << "}{";
1256             if (!cellinfo_of_cell(cell+1)->align_special.empty()) {
1257                     os << cellinfo_of_cell(cell+1)->align_special
1258                        << "}{";
1259             } else {
1260                 if (LeftLine(nvcell))
1261                         os << '|';
1262                 if (!GetPWidth(nvcell).empty()) {
1263                         os << "p{"
1264                            << GetPWidth(nvcell)
1265                            << '}';
1266                 } else {
1267                     switch (GetAlignment(nvcell)) {
1268                     case LYX_ALIGN_LEFT: os << 'l'; break;
1269                     case LYX_ALIGN_RIGHT: os << 'r'; break;
1270                     default:  os << 'c'; break;
1271                     }
1272                 }
1273                 if (RightLine(nvcell))
1274                         os << '|';
1275                 //if (column_of_cell(cell+2)!= 0 && LeftLine(cell+2))
1276                 if (((nvcell + 1) < numberofcells) &&
1277                     (NextVirtualCell(nvcell+1) < numberofcells) &&
1278                     (column_of_cell(NextVirtualCell(nvcell+1))!= 0) &&
1279                     LeftLine(NextVirtualCell(nvcell+1)))
1280                         os << '|';
1281
1282                 os << "}{";
1283             }
1284         }
1285         if (nvcell < numberofcells && Linebreaks(nvcell)) {
1286 //            !column_info[column_of_cell(nvcell)].p_width.empty()) {
1287                 os << "\\parbox{"
1288                    << GetPWidth(nvcell)
1289                    << "}{\\smallskip{}";
1290         }
1291     }
1292     return ret;
1293 }
1294
1295
1296 #if 0
1297 // cell <0 will tex the preamble
1298 // returns the number of printed newlines
1299 int LyXTable::RoffEndOfCell(ostream & os, int cell)
1300 {
1301     int ret = 0;
1302
1303     if (cell == GetNumberOfCells() - 1){
1304         // the very end at the very beginning
1305         if (CellHasContRow(cell) >= 0) {
1306                 os << "\nT}";
1307             ++ret;
1308         }
1309         os << "\n";
1310         ++ret;
1311         if (row_info[row_of_cell(cell)].bottom_line) {
1312                 os << "_\n";
1313             ++ret;
1314         }
1315         os << ".TE\n.pl 1c";
1316     } else {
1317         if (cell < 0) {
1318             int fcell = 0;
1319             // preamble
1320             os << "\n.pl 500c\n.TS\n";
1321             for (int j = 0; j < rows; ++j) {
1322                 for (int i = 0; i < columns; ++i, ++fcell) {
1323                     if (column_info[i].left_line)
1324                             os << " | ";
1325                     if (cell_info[j][i].multicolumn == CELL_PART_OF_MULTICOLUMN)
1326                             os << "s";
1327                     else {
1328                         switch (column_info[i].alignment) {
1329                           case LYX_ALIGN_LEFT:
1330                                   os << "l";
1331                               break;
1332                           case LYX_ALIGN_RIGHT:
1333                                   os << "r";
1334                               break;
1335                           default:
1336                                   os << "c";
1337                               break;
1338                         }
1339                     }
1340                     if (!column_info[i].p_width.empty())
1341                             os << "w(" << column_info[i].p_width << ")";
1342                     if (column_info[i].right_line)
1343                             os << " | ";
1344                 }
1345                 if ((j + 1) < rows) {
1346                         os << "\n";
1347                     ++ret;
1348                 }
1349             }
1350             os << ".\n";
1351             ++ret;
1352             if (row_info[0].top_line) {
1353                     os << "_\n";
1354                 ++ret;
1355             }
1356             if (CellHasContRow(0) >= 0) {
1357                     os << "T{\n";
1358                 ++ret;
1359             }
1360         } else {
1361             // usual cells
1362             if (CellHasContRow(cell) >= 0) {
1363                     os << "\nT}";
1364                 ++ret;
1365             }
1366             if (right_column_of_cell(cell) == columns -1){
1367                     os << "\n";
1368                 ++ret;
1369                 int row = row_of_cell(cell);
1370                 if (row_info[row++].bottom_line) {
1371                         os << "_\n";
1372                     ++ret;
1373                 }
1374                 if ((row < rows) && row_info[row].top_line) {
1375                         os << "_\n";
1376                     ++ret;
1377                 }
1378             } else
1379                     os << "\t";
1380             if ((cell < GetNumberOfCells() - 1) &&
1381                 (CellHasContRow(cell+1) >= 0)) {
1382                     os << "T{\n";
1383                 ++ret;
1384             }
1385         }
1386     }
1387     return ret;
1388 }
1389 #endif
1390
1391
1392 char const *LyXTable::getDocBookAlign(int cell, bool isColumn)
1393 {
1394     int i;
1395     if (isColumn)
1396        i = cell;
1397     else
1398        i = column_of_cell(cell);
1399     if (!isColumn && IsMultiColumn(cell)) {
1400        if (!cellinfo_of_cell(cell)->align_special.empty()) {
1401            return cellinfo_of_cell(cell)->align_special.c_str();
1402        } else {
1403            switch (GetAlignment(cell)) {
1404            case LYX_ALIGN_LEFT:
1405                return "left";
1406            case LYX_ALIGN_RIGHT:
1407                return "right";
1408            default:
1409                return "center";
1410            }
1411        }
1412     } else {
1413        if (!column_info[i].align_special.empty()) {
1414            return column_info[i].align_special.c_str();
1415        }
1416 #ifdef IGNORE_THIS_FOR_NOW
1417        else if (!column_info[i].p_width.empty()) {
1418            file += "p{";
1419            file += column_info[i].p_width;
1420            file += '}';
1421        }
1422 #endif
1423        else {
1424            switch (column_info[i].alignment) {
1425            case LYX_ALIGN_LEFT:
1426                return "left";
1427            case LYX_ALIGN_RIGHT:
1428                return "right";
1429            default:
1430                return "center";
1431            }
1432        }
1433     }
1434 }
1435
1436
1437 // cell <0 will tex the preamble
1438 // returns the number of printed newlines
1439 int LyXTable::DocBookEndOfCell(ostream & os, int cell, int & depth)
1440 {
1441     int i;
1442     int ret = 0;
1443     //int tmp; // tmp2; // unused
1444     int nvcell; // fcell; // unused
1445     if (ShouldBeVeryLastCell(cell)) {
1446             os << newlineAndDepth(--depth)
1447                << "</ENTRY>"
1448                << newlineAndDepth(--depth)
1449                << "</ROW>"
1450                << newlineAndDepth(--depth)
1451                << "</TBODY>"
1452                << newlineAndDepth(--depth);
1453         if (is_long_table)
1454                 os << "</TGROUP>";
1455         else
1456                 os << "</TGROUP>"
1457                    << newlineAndDepth(--depth);
1458         ret += 4;
1459     } else {
1460         nvcell = NextVirtualCell(cell + 1);
1461         if (cell < 0) {
1462             // preamble
1463             if (is_long_table)
1464                     os << "<TGROUP ";
1465             else
1466                     os << "<TGROUP ";
1467             os << "COLS='"
1468                << columns
1469                << "' COLSEP='1' ROWSEP='1'>"
1470                << newlineAndDepth(++depth);
1471             ++ret;
1472             for (i = 0; i < columns; ++i) {
1473                     os << "<COLSPEC ALIGN='"
1474                        << getDocBookAlign(i, true)
1475                        << "' COLNAME='col"
1476                        << i + 1
1477                        << "' COLNUM='"
1478                        << i + 1
1479                        << "' COLSEP='";
1480                if (i == (columns-1)) {
1481                        os << '1';
1482                } else {
1483                    if (column_info[i].right_line ||
1484                        column_info[i+1].left_line)
1485                            os << '1';
1486                    else
1487                            os << '0';
1488                }
1489                os << "'>"
1490                   << newlineAndDepth(depth);
1491                 ++ret;
1492 #ifdef NOT_HANDLED_YET_AS_I_DONT_KNOW_HOW
1493                 if (column_info[i].left_line)
1494                         os << '|';
1495 #endif
1496             }
1497             os << "<TBODY>"
1498                << newlineAndDepth(++depth)
1499                << "<ROW>"
1500                << newlineAndDepth(++depth)
1501                << "<ENTRY ALIGN='"
1502                << getDocBookAlign(0)
1503                << "'";
1504            if (IsMultiColumn(0)) {
1505                    os << " NAMEST='col1' NAMEEND='col"
1506                       << cells_in_multicolumn(0)
1507                       << "'";
1508            }
1509            os << ">"
1510               << newlineAndDepth(++depth);
1511             ret += 3;
1512         } else {
1513             if (IsLastCell(cell)) {
1514                     os << newlineAndDepth(--depth)
1515                        << "</ENTRY>"
1516                        << newlineAndDepth(--depth)
1517                        << "</ROW>"
1518                        << newlineAndDepth(depth)
1519                        << "<ROW>"
1520                        << newlineAndDepth(++depth)
1521                        << "<ENTRY ALIGN='"
1522                        << getDocBookAlign(cell + 1)
1523                        << "' VALIGN='middle'";
1524                if (IsMultiColumn(cell + 1)) {
1525                        os << " NAMEST='col"
1526                           << column_of_cell(cell+1) + 1
1527                           << "' NAMEEND='col"
1528                           << column_of_cell(cell + 1) +
1529                                cells_in_multicolumn(cell + 1)
1530                           << "'";
1531                }
1532                os << ">"
1533                   << newlineAndDepth(++depth);
1534                 ret += 4;
1535             } else {
1536                     os << newlineAndDepth(--depth)
1537                        << "</ENTRY>"
1538                        << newlineAndDepth(depth)
1539                        << "<ENTRY ALIGN='"
1540                        << getDocBookAlign(cell + 1)
1541                        << "' VALIGN='middle'";
1542                if (IsMultiColumn(cell + 1)) {
1543                        os << " NAMEST='col"
1544                           << column_of_cell(cell+1) + 1
1545                           << "' NAMEEND='col"
1546                           << column_of_cell(cell+1) +
1547                                cells_in_multicolumn(cell+1)
1548                           << "'";
1549                }
1550                os << ">"
1551                   << newlineAndDepth(++depth);
1552                 ret += 3;
1553             }
1554         }
1555     }
1556     return ret;
1557 }
1558
1559
1560 bool LyXTable::IsMultiColumn(int cell)
1561 {
1562     int fvcell = FirstVirtualCell(cell);
1563
1564     return (cellinfo_of_cell(fvcell)->multicolumn != LyXTable::CELL_NORMAL);
1565 }
1566
1567
1568 LyXTable::cellstruct* LyXTable::cellinfo_of_cell(int cell)
1569 {
1570     int row = row_of_cell(cell);
1571     int column = column_of_cell(cell);
1572     return  &cell_info[row][column];
1573 }
1574
1575
1576 void LyXTable::SetMultiColumn(int cell, int number)
1577 {
1578     int fvcell = FirstVirtualCell(cell);
1579     int new_width = cellinfo_of_cell(fvcell)->width_of_cell;
1580
1581     cellinfo_of_cell(fvcell)->multicolumn = LyXTable::CELL_BEGIN_OF_MULTICOLUMN;
1582     cellinfo_of_cell(fvcell)->alignment = column_info[column_of_cell(fvcell)].alignment;
1583     cellinfo_of_cell(fvcell)->top_line = row_info[row_of_cell(fvcell)].top_line;
1584     cellinfo_of_cell(fvcell)->bottom_line = row_info[row_of_cell(fvcell)].bottom_line;
1585     for (number--; number > 0; --number) {
1586         cellinfo_of_cell(fvcell+number)->multicolumn =
1587             LyXTable::CELL_PART_OF_MULTICOLUMN;
1588         new_width += cellinfo_of_cell(fvcell+number)->width_of_cell;
1589     }
1590     set_row_column_number_info();
1591     SetWidthOfCell(fvcell, new_width);
1592 }
1593
1594
1595 int LyXTable::cells_in_multicolumn(int cell)
1596 {
1597     int row = row_of_cell(cell);
1598     int column = column_of_cell(cell);
1599     int result = 1;
1600     ++column;
1601     while (column < columns && cell_info[row][column].multicolumn
1602            == LyXTable::CELL_PART_OF_MULTICOLUMN){
1603         ++result;
1604         ++column;
1605     }
1606     return result;
1607 }
1608
1609
1610 int  LyXTable::UnsetMultiColumn(int cell)
1611 {
1612     int fvcell = FirstVirtualCell(cell);
1613     int row = row_of_cell(fvcell);
1614     int column = column_of_cell(fvcell);
1615
1616     int result = 0;
1617
1618     if (cell_info[row][column].multicolumn
1619         == LyXTable::CELL_BEGIN_OF_MULTICOLUMN){
1620         cell_info[row][column].multicolumn = LyXTable::CELL_NORMAL;
1621         ++column;
1622         while (column < columns &&
1623                cell_info[row][column].multicolumn
1624                == LyXTable::CELL_PART_OF_MULTICOLUMN){
1625             cell_info[row][column].multicolumn =
1626                 LyXTable::CELL_NORMAL;
1627             ++column;
1628             ++result;
1629         }
1630     }
1631     set_row_column_number_info();
1632     return result;
1633 }
1634
1635
1636 void LyXTable::delete_column(int column)
1637 {
1638     int i, j;
1639     columnstruct * column_info2 = new columnstruct[columns-1];
1640
1641     for (i = 0; i < column; ++i) {
1642         column_info2[i] = column_info[i];
1643     }
1644     for (i = column; i < columns - 1; ++i) {
1645         column_info2[i] = column_info[i + 1];
1646     }
1647
1648     delete[] column_info;
1649     column_info = column_info2;
1650
1651     for (i = 0; i < rows; ++i) {
1652         cellstruct * tmp = cell_info[i];
1653         cell_info[i] = new cellstruct[columns - 1];
1654         for (j = 0; j < column; ++j) {
1655             cell_info[i][j] = tmp[j];
1656         }
1657         for (j = column; j < columns - 1; ++j) {
1658             cell_info[i][j] = tmp[j + 1];
1659         }
1660         delete[] tmp;
1661     }
1662
1663     --columns;
1664     Reinit();
1665 }
1666
1667
1668 void LyXTable::SetLongTable(int what)
1669 {
1670     is_long_table = what;
1671 }
1672
1673
1674 bool LyXTable::IsLongTable()
1675 {
1676     return is_long_table;
1677 }
1678
1679 void LyXTable::SetRotateTable(int what)
1680 {
1681     rotate = what;
1682 }
1683
1684 bool LyXTable::RotateTable()
1685 {
1686     return rotate;
1687 }
1688
1689 void LyXTable::SetRotateCell(int cell, int what)
1690 {
1691     cellinfo_of_cell(cell)->rotate = what;
1692 }
1693
1694 bool LyXTable::RotateCell(int cell)
1695 {
1696     return cellinfo_of_cell(cell)->rotate;
1697 }
1698
1699 bool LyXTable::NeedRotating()
1700 {
1701     if (rotate)
1702         return true;
1703     for (int i = 0; i < rows; ++i) {
1704         for (int j = 0; j < columns; ++j) {
1705             if (cell_info[i][j].rotate)
1706                 return true;
1707         }
1708     }
1709     return false;
1710 }
1711
1712 void LyXTable::AppendContRow(int cell)
1713 {
1714     int row = row_of_cell(cell)+1;
1715
1716     if (!RowHasContRow(cell) || (CellHasContRow(cell)>= 0))
1717         AppendRow(cell);
1718     row_info[row].is_cont_row = true;
1719     row_info[row].top_line = false;
1720     cell_info[row-1][column_of_cell(cell)].has_cont_row = true;
1721     Reinit();
1722 }
1723
1724 bool LyXTable::IsContRow(int cell)
1725 {
1726     return row_info[row_of_cell(cell)].is_cont_row;
1727 }
1728
1729 int LyXTable::CellHasContRow(int cell)
1730 {
1731     int row = row_of_cell(cell);
1732
1733     if (VeryLastRow(cell))
1734         return -1;
1735     if (cell_info[row][column_of_cell(cell)].has_cont_row)
1736         return cell_info[row+1][column_of_cell(cell)].cellno;
1737     return -1;
1738 }
1739
1740 bool LyXTable::RowHasContRow(int cell)
1741 {
1742     int row = row_of_cell(cell) + 1;
1743
1744     if (row < rows)
1745         return row_info[row].is_cont_row;
1746     return false;
1747 }
1748
1749 int LyXTable::FirstVirtualCell(int cell)
1750 {
1751     if (!IsContRow(cell))
1752         return cell;
1753     int row = row_of_cell(cell);
1754     int column = column_of_cell(cell);
1755     for(; (row > 0) && IsContRow(cell_info[row][column].cellno); --row)
1756         ;
1757     return cell_info[row][column].cellno;
1758 }
1759
1760
1761 int LyXTable::NextVirtualCell(int cell)
1762 {
1763     if (!IsContRow(cell))
1764         return cell;
1765     int row = row_of_cell(cell);
1766     for(;(row < rows - 1) && IsContRow(cell_info[row][0].cellno); ++row)
1767         ;
1768     // what if(row >= rows) ?
1769     return cell_info[row][0].cellno;
1770 }
1771
1772
1773 bool LyXTable::ShouldBeVeryLastCell(int cell)
1774 // "very last cell" ..of what? the row? the table?
1775 // "Cell" in this context appears to not count `virtual' cells
1776 {
1777     int fcell = cell + 1;
1778
1779     if (cell == GetNumberOfCells() - 1)
1780         return true; // not really sure if I should return false here
1781     if (!IsContRow(fcell))
1782         return false;
1783     while((fcell < GetNumberOfCells() - 1) && IsContRow(fcell))
1784         ++fcell;
1785     if (fcell < GetNumberOfCells() - 1)
1786         return false;
1787     return true;
1788 }
1789
1790 bool LyXTable::ShouldBeVeryLastRow(int cell)
1791 {
1792     if (CellHasContRow(cell)>= 0)
1793         return false;
1794     int row = row_of_cell(cell) + 1;
1795     int column = column_of_cell(cell);
1796     while((row < rows) && IsContRow(cell_info[row][column].cellno))
1797         ++row;
1798     if (row < rows)
1799         return false; // found another valid row
1800     // I do not have any valid row after the actual
1801     return true;
1802 }
1803
1804 int LyXTable::GetCellAbove(int cell)
1805 {
1806     int row = row_of_cell(cell);
1807
1808     if (row > 0)
1809         return cell_info[row-1][column_of_cell(cell)].cellno;
1810     return cell;
1811 }
1812
1813 int LyXTable::GetCellNumber(int column, int row)
1814 {
1815     if (column >= columns)
1816         column = columns - 1;
1817     else if (column < 0)
1818         column = 0;
1819     if (row >= rows)
1820         row = rows - 1;
1821     else if (row < 0)
1822         row = 0;
1823
1824     return cell_info[row][column].cellno;
1825 }
1826
1827 void LyXTable::SetLinebreaks(int cell, bool what)
1828 {
1829     cellinfo_of_cell(FirstVirtualCell(cell))->linebreaks = what;
1830 }
1831
1832 bool LyXTable::Linebreaks(int cell)
1833 {
1834     int fvcell = FirstVirtualCell(cell);
1835
1836     if (column_info[column_of_cell(fvcell)].p_width.empty() &&
1837         !(IsMultiColumn(fvcell) && !cellinfo_of_cell(fvcell)->p_width.empty()))
1838         return false;
1839     return cellinfo_of_cell(fvcell)->linebreaks;
1840 }
1841
1842 void LyXTable::SetLTHead(int cell, bool first)
1843 {
1844     int row = row_of_cell(cell);
1845
1846     if (first) {
1847         if (row == endfirsthead)
1848             endfirsthead = -1;
1849         else
1850             endfirsthead = row;
1851     } else {
1852         if (row == endhead)
1853             endhead = -1;
1854         else
1855             endhead = row;
1856     }
1857 }
1858
1859 bool LyXTable::RowOfLTHead(int cell)
1860 {
1861     if ((endhead+1) > rows)
1862         endhead = -1;
1863     return (row_of_cell(cell) == endhead);
1864 }
1865
1866 bool LyXTable::RowOfLTFirstHead(int cell)
1867 {
1868     if ((endfirsthead+1) > rows)
1869         endfirsthead = -1;
1870     return (row_of_cell(cell) == endfirsthead);
1871 }
1872
1873 void LyXTable::SetLTFoot(int cell, bool last)
1874 {
1875     int row = row_of_cell(cell);
1876
1877     if (last) {
1878         if (row == endlastfoot)
1879             endlastfoot = -1;
1880         else
1881             endlastfoot = row;
1882     } else {
1883         if (row == endfoot)
1884             endfoot = -1;
1885         else
1886             endfoot = row;
1887     }
1888 }
1889
1890 bool LyXTable::RowOfLTFoot(int cell)
1891 {
1892     if ((endfoot+1) > rows) {
1893         endfoot = -1;
1894         return false;
1895     }
1896     return (row_of_cell(cell) == endfoot);
1897 }
1898
1899 bool LyXTable::RowOfLTLastFoot(int cell)
1900 {
1901     if ((endlastfoot+1) > rows)
1902         endlastfoot = -1;
1903     return (row_of_cell(cell) == endlastfoot);
1904 }
1905
1906 void LyXTable::SetLTNewPage(int cell, bool what)
1907 {
1908     row_info[row_of_cell(cell)].newpage = what;
1909 }
1910
1911 bool LyXTable::LTNewPage(int cell)
1912 {
1913     return row_info[row_of_cell(cell)].newpage;
1914 }