src/insets/InsetTabular.cpp

   1 /**
   2  * \file InsetTabular.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Lars Gullik Bjønnes
   7  * \author Matthias Ettrich
   8  * \author José Matos
   9  * \author Jean-Marc Lasgouttes
  10  * \author Angus Leeming
  11  * \author John Levon
  12  * \author André Pönitz
  13  * \author Jürgen Vigna
  14  * \author Uwe Stöhr
  15  * \author Edwin Leuven
  16  *
  17  * Full author contact details are available in file CREDITS.
  18  */
  19
  20 #include <config.h>
  21
  22 #include "InsetTabular.h"
  23
  24 #include "buffer_funcs.h"
  25 #include "Buffer.h"
  26 #include "BufferParams.h"
  27 #include "BufferView.h"
  28 #include "CoordCache.h"
  29 #include "Counters.h"
  30 #include "Cursor.h"
  31 #include "CutAndPaste.h"
  32 #include "DispatchResult.h"
  33 #include "FuncRequest.h"
  34 #include "FuncStatus.h"
  35 #include "Language.h"
  36 #include "LaTeXFeatures.h"
  37 #include "Lexer.h"
  38 #include "LyX.h"
  39 #include "LyXRC.h"
  40 #include "MetricsInfo.h"
  41 #include "OutputParams.h"
  42 #include "output_xhtml.h"
  43 #include "Paragraph.h"
  44 #include "ParagraphParameters.h"
  45 #include "ParIterator.h"
  46 #include "TextClass.h"
  47 #include "TextMetrics.h"
  48
  49 #include "frontends/Application.h"
  50 #include "frontends/alert.h"
  51 #include "frontends/Clipboard.h"
  52 #include "frontends/Painter.h"
  53 #include "frontends/Selection.h"
  54
  55 #include "support/convert.h"
  56 #include "support/debug.h"
  57 #include "support/docstream.h"
  58 #include "support/FileName.h"
  59 #include "support/gettext.h"
  60 #include "support/lassert.h"
  61 #include "support/lstrings.h"
  62
  63 #include <boost/scoped_ptr.hpp>
  64
  65 #include <sstream>
  66 #include <iostream>
  67 #include <limits>
  68 #include <cstring>
  69
  70 using namespace std;
  71 using namespace lyx::support;
  72
  73
  74
  75 namespace lyx {
  76
  77 using cap::dirtyTabularStack;
  78 using cap::tabularStackDirty;
  79
  80 using graphics::PreviewLoader;
  81
  82 using frontend::Painter;
  83 using frontend::Clipboard;
  84
  85 namespace Alert = frontend::Alert;
  86
  87
  88 namespace {
  89
  90 int const ADD_TO_HEIGHT = 2; // in cell
  91 int const ADD_TO_TABULAR_WIDTH = 6; // horiz space before and after the table
  92 int const default_line_space = 10; // ?
  93 int const WIDTH_OF_LINE = 5; // space between double lines
  94
  95
  96 ///
  97 boost::scoped_ptr<Tabular> paste_tabular;
  98
  99
 100 struct TabularFeature {
 101         Tabular::Feature action;
 102         string feature;
 103         bool need_value;
 104 };
 105
 106
 107 TabularFeature tabularFeature[] =
 108 {
 109         // the SET/UNSET actions are used by the table dialog,
 110         // the TOGGLE actions by the table toolbar buttons
 111         { Tabular::APPEND_ROW, "append-row", false },
 112         { Tabular::APPEND_COLUMN, "append-column", false },
 113         { Tabular::DELETE_ROW, "delete-row", false },
 114         { Tabular::DELETE_COLUMN, "delete-column", false },
 115         { Tabular::COPY_ROW, "copy-row", false },
 116         { Tabular::COPY_COLUMN, "copy-column", false },
 117         { Tabular::SET_LINE_TOP, "set-line-top", true },
 118         { Tabular::SET_LINE_BOTTOM, "set-line-bottom", true },
 119         { Tabular::SET_LINE_LEFT, "set-line-left", true },
 120         { Tabular::SET_LINE_RIGHT, "set-line-right", true },
 121         { Tabular::TOGGLE_LINE_TOP, "toggle-line-top", false },
 122         { Tabular::TOGGLE_LINE_BOTTOM, "toggle-line-bottom", false },
 123         { Tabular::TOGGLE_LINE_LEFT, "toggle-line-left", false },
 124         { Tabular::TOGGLE_LINE_RIGHT, "toggle-line-right", false },
 125         { Tabular::ALIGN_LEFT, "align-left", false },
 126         { Tabular::ALIGN_RIGHT, "align-right", false },
 127         { Tabular::ALIGN_CENTER, "align-center", false },
 128         { Tabular::ALIGN_BLOCK, "align-block", false },
 129         { Tabular::ALIGN_DECIMAL, "align-decimal", false },
 130         { Tabular::VALIGN_TOP, "valign-top", false },
 131         { Tabular::VALIGN_BOTTOM, "valign-bottom", false },
 132         { Tabular::VALIGN_MIDDLE, "valign-middle", false },
 133         { Tabular::M_ALIGN_LEFT, "m-align-left", false },
 134         { Tabular::M_ALIGN_RIGHT, "m-align-right", false },
 135         { Tabular::M_ALIGN_CENTER, "m-align-center", false },
 136         { Tabular::M_VALIGN_TOP, "m-valign-top", false },
 137         { Tabular::M_VALIGN_BOTTOM, "m-valign-bottom", false },
 138         { Tabular::M_VALIGN_MIDDLE, "m-valign-middle", false },
 139         { Tabular::MULTICOLUMN, "multicolumn", false },
 140         { Tabular::SET_MULTICOLUMN, "set-multicolumn", false },
 141         { Tabular::UNSET_MULTICOLUMN, "unset-multicolumn", false },
 142         { Tabular::MULTIROW, "multirow", false },
 143         { Tabular::SET_MULTIROW, "set-multirow", false },
 144         { Tabular::UNSET_MULTIROW, "unset-multirow", false },
 145         { Tabular::SET_MROFFSET, "set-mroffset", true },
 146         { Tabular::SET_ALL_LINES, "set-all-lines", false },
 147         { Tabular::UNSET_ALL_LINES, "unset-all-lines", false },
 148         { Tabular::SET_LONGTABULAR, "set-longtabular", false },
 149         { Tabular::UNSET_LONGTABULAR, "unset-longtabular", false },
 150         { Tabular::SET_PWIDTH, "set-pwidth", true },
 151         { Tabular::SET_MPWIDTH, "set-mpwidth", true },
 152         { Tabular::SET_ROTATE_TABULAR, "set-rotate-tabular", false },
 153         { Tabular::UNSET_ROTATE_TABULAR, "unset-rotate-tabular", false },
 154         { Tabular::TOGGLE_ROTATE_TABULAR, "toggle-rotate-tabular", false },
 155         { Tabular::SET_ROTATE_CELL, "set-rotate-cell", false },
 156         { Tabular::UNSET_ROTATE_CELL, "unset-rotate-cell", false },
 157         { Tabular::TOGGLE_ROTATE_CELL, "toggle-rotate-cell", false },
 158         { Tabular::SET_USEBOX, "set-usebox", true },
 159         { Tabular::SET_LTHEAD, "set-lthead", true },
 160         { Tabular::UNSET_LTHEAD, "unset-lthead", true },
 161         { Tabular::SET_LTFIRSTHEAD, "set-ltfirsthead", true },
 162         { Tabular::UNSET_LTFIRSTHEAD, "unset-ltfirsthead", true },
 163         { Tabular::SET_LTFOOT, "set-ltfoot", true },
 164         { Tabular::UNSET_LTFOOT, "unset-ltfoot", true },
 165         { Tabular::SET_LTLASTFOOT, "set-ltlastfoot", true },
 166         { Tabular::UNSET_LTLASTFOOT, "unset-ltlastfoot", true },
 167         { Tabular::SET_LTNEWPAGE, "set-ltnewpage", false },
 168         { Tabular::TOGGLE_LTCAPTION, "toggle-ltcaption", false },
 169         { Tabular::SET_LTCAPTION, "set-ltcaption", false },
 170         { Tabular::UNSET_LTCAPTION, "unset-ltcaption", false },
 171         { Tabular::SET_SPECIAL_COLUMN, "set-special-column", true },
 172         { Tabular::SET_SPECIAL_MULTICOLUMN, "set-special-multicolumn", true },
 173         { Tabular::SET_BOOKTABS, "set-booktabs", false },
 174         { Tabular::UNSET_BOOKTABS, "unset-booktabs", false },
 175         { Tabular::SET_TOP_SPACE, "set-top-space", true },
 176         { Tabular::SET_BOTTOM_SPACE, "set-bottom-space", true },
 177         { Tabular::SET_INTERLINE_SPACE, "set-interline-space", true },
 178         { Tabular::SET_BORDER_LINES, "set-border-lines", false },
 179         { Tabular::TABULAR_VALIGN_TOP, "tabular-valign-top", false},
 180         { Tabular::TABULAR_VALIGN_MIDDLE, "tabular-valign-middle", false},
 181         { Tabular::TABULAR_VALIGN_BOTTOM, "tabular-valign-bottom", false},
 182         { Tabular::LONGTABULAR_ALIGN_LEFT, "longtabular-align-left", false },
 183         { Tabular::LONGTABULAR_ALIGN_CENTER, "longtabular-align-center", false },
 184         { Tabular::LONGTABULAR_ALIGN_RIGHT, "longtabular-align-right", false },
 185         { Tabular::SET_DECIMAL_POINT, "set-decimal-point", true },
 186         { Tabular::LAST_ACTION, "", false }
 187 };
 188
 189
 190 template <class T>
 191 string const write_attribute(string const & name, T const & t)
 192 {
 193         string const s = tostr(t);
 194         return s.empty() ? s : " " + name + "=\"" + s + "\"";
 195 }
 196
 197 template <>
 198 string const write_attribute(string const & name, string const & t)
 199 {
 200         return t.empty() ? t : " " + name + "=\"" + t + "\"";
 201 }
 202
 203
 204 template <>
 205 string const write_attribute(string const & name, docstring const & t)
 206 {
 207         return t.empty() ? string() : " " + name + "=\"" + to_utf8(t) + "\"";
 208 }
 209
 210
 211 template <>
 212 string const write_attribute(string const & name, bool const & b)
 213 {
 214         // we write only true attribute values so we remove a bit of the
 215         // file format bloat for tabulars.
 216         return b ? write_attribute(name, convert<string>(b)) : string();
 217 }
 218
 219
 220 template <>
 221 string const write_attribute(string const & name, int const & i)
 222 {
 223         // we write only true attribute values so we remove a bit of the
 224         // file format bloat for tabulars.
 225         return i ? write_attribute(name, convert<string>(i)) : string();
 226 }
 227
 228
 229 template <>
 230 string const write_attribute(string const & name, Tabular::idx_type const & i)
 231 {
 232         // we write only true attribute values so we remove a bit of the
 233         // file format bloat for tabulars.
 234         return i ? write_attribute(name, convert<string>(i)) : string();
 235 }
 236
 237
 238 template <>
 239 string const write_attribute(string const & name, Length const & value)
 240 {
 241         // we write only the value if we really have one same reson as above.
 242         return value.zero() ? string() : write_attribute(name, value.asString());
 243 }
 244
 245
 246 string const tostr(LyXAlignment const & num)
 247 {
 248         switch (num) {
 249         case LYX_ALIGN_NONE:
 250                 return "none";
 251         case LYX_ALIGN_BLOCK:
 252                 return "block";
 253         case LYX_ALIGN_LEFT:
 254                 return "left";
 255         case LYX_ALIGN_CENTER:
 256                 return "center";
 257         case LYX_ALIGN_RIGHT:
 258                 return "right";
 259         case LYX_ALIGN_LAYOUT:
 260                 return "layout";
 261         case LYX_ALIGN_SPECIAL:
 262                 return "special";
 263         case LYX_ALIGN_DECIMAL:
 264                 return "decimal";
 265         }
 266         return string();
 267 }
 268
 269
 270 string const tostr(Tabular::HAlignment const & num)
 271 {
 272         switch (num) {
 273         case Tabular::LYX_LONGTABULAR_ALIGN_LEFT:
 274                 return "left";
 275         case Tabular::LYX_LONGTABULAR_ALIGN_CENTER:
 276                 return "center";
 277         case Tabular::LYX_LONGTABULAR_ALIGN_RIGHT:
 278                 return "right";
 279         }
 280         return string();
 281 }
 282
 283
 284 string const tostr(Tabular::VAlignment const & num)
 285 {
 286         switch (num) {
 287         case Tabular::LYX_VALIGN_TOP:
 288                 return "top";
 289         case Tabular::LYX_VALIGN_MIDDLE:
 290                 return "middle";
 291         case Tabular::LYX_VALIGN_BOTTOM:
 292                 return "bottom";
 293         }
 294         return string();
 295 }
 296
 297
 298 string const tostr(Tabular::BoxType const & num)
 299 {
 300         switch (num) {
 301         case Tabular::BOX_NONE:
 302                 return "none";
 303         case Tabular::BOX_PARBOX:
 304                 return "parbox";
 305         case Tabular::BOX_MINIPAGE:
 306                 return "minipage";
 307         }
 308         return string();
 309 }
 310
 311
 312 // I would have liked a fromstr template a lot better. (Lgb)
 313 bool string2type(string const str, LyXAlignment & num)
 314 {
 315         if (str == "none")
 316                 num = LYX_ALIGN_NONE;
 317         else if (str == "block")
 318                 num = LYX_ALIGN_BLOCK;
 319         else if (str == "left")
 320                 num = LYX_ALIGN_LEFT;
 321         else if (str == "center")
 322                 num = LYX_ALIGN_CENTER;
 323         else if (str == "right")
 324                 num = LYX_ALIGN_RIGHT;
 325         else if (str == "decimal")
 326                 num = LYX_ALIGN_DECIMAL;
 327         else
 328                 return false;
 329         return true;
 330 }
 331
 332
 333 bool string2type(string const str, Tabular::HAlignment & num)
 334 {
 335         if (str == "left")
 336                 num = Tabular::LYX_LONGTABULAR_ALIGN_LEFT;
 337         else if (str == "center" )
 338                 num = Tabular::LYX_LONGTABULAR_ALIGN_CENTER;
 339         else if (str == "right")
 340                 num = Tabular::LYX_LONGTABULAR_ALIGN_RIGHT;
 341         else
 342                 return false;
 343         return true;
 344 }
 345
 346
 347 bool string2type(string const str, Tabular::VAlignment & num)
 348 {
 349         if (str == "top")
 350                 num = Tabular::LYX_VALIGN_TOP;
 351         else if (str == "middle" )
 352                 num = Tabular::LYX_VALIGN_MIDDLE;
 353         else if (str == "bottom")
 354                 num = Tabular::LYX_VALIGN_BOTTOM;
 355         else
 356                 return false;
 357         return true;
 358 }
 359
 360
 361 bool string2type(string const str, Tabular::BoxType & num)
 362 {
 363         if (str == "none")
 364                 num = Tabular::BOX_NONE;
 365         else if (str == "parbox")
 366                 num = Tabular::BOX_PARBOX;
 367         else if (str == "minipage")
 368                 num = Tabular::BOX_MINIPAGE;
 369         else
 370                 return false;
 371         return true;
 372 }
 373
 374
 375 bool string2type(string const str, bool & num)
 376 {
 377         if (str == "true")
 378                 num = true;
 379         else if (str == "false")
 380                 num = false;
 381         else
 382                 return false;
 383         return true;
 384 }
 385
 386
 387 bool getTokenValue(string const & str, char const * token, string & ret)
 388 {
 389         ret.erase();
 390         size_t token_length = strlen(token);
 391         size_t pos = str.find(token);
 392
 393         if (pos == string::npos || pos + token_length + 1 >= str.length()
 394                 || str[pos + token_length] != '=')
 395                 return false;
 396         pos += token_length + 1;
 397         char ch = str[pos];
 398         if (ch != '"' && ch != '\'') { // only read till next space
 399                 ret += ch;
 400                 ch = ' ';
 401         }
 402         while (pos < str.length() - 1 && str[++pos] != ch)
 403                 ret += str[pos];
 404
 405         return true;
 406 }
 407
 408
 409 bool getTokenValue(string const & str, char const * token, docstring & ret)
 410 {
 411         string tmp;
 412         bool const success = getTokenValue(str, token, tmp);
 413         ret = from_utf8(tmp);
 414         return success;
 415 }
 416
 417
 418 bool getTokenValue(string const & str, char const * token, int & num)
 419 {
 420         string tmp;
 421         num = 0;
 422         if (!getTokenValue(str, token, tmp))
 423                 return false;
 424         num = convert<int>(tmp);
 425         return true;
 426 }
 427
 428
 429 bool getTokenValue(string const & str, char const * token, LyXAlignment & num)
 430 {
 431         string tmp;
 432         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 433 }
 434
 435
 436 bool getTokenValue(string const & str, char const * token,
 437                                    Tabular::HAlignment & num)
 438 {
 439         string tmp;
 440         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 441 }
 442
 443
 444 bool getTokenValue(string const & str, char const * token,
 445                                    Tabular::VAlignment & num)
 446 {
 447         string tmp;
 448         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 449 }
 450
 451
 452 bool getTokenValue(string const & str, char const * token,
 453                                    Tabular::BoxType & num)
 454 {
 455         string tmp;
 456         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 457 }
 458
 459
 460 bool getTokenValue(string const & str, char const * token, bool & flag)
 461 {
 462         // set the flag always to false as this should be the default for bools
 463         // not in the file-format.
 464         flag = false;
 465         string tmp;
 466         return getTokenValue(str, token, tmp) && string2type(tmp, flag);
 467 }
 468
 469
 470 bool getTokenValue(string const & str, char const * token, Length & len)
 471 {
 472         // set the length to be zero() as default as this it should be if not
 473         // in the file format.
 474         len = Length();
 475         string tmp;
 476         return getTokenValue(str, token, tmp) && isValidLength(tmp, &len);
 477 }
 478
 479
 480 bool getTokenValue(string const & str, char const * token, Length & len, bool & flag)
 481 {
 482         len = Length();
 483         flag = false;
 484         string tmp;
 485         if (!getTokenValue(str, token, tmp))
 486                 return false;
 487         if (tmp == "default") {
 488                 flag = true;
 489                 return  true;
 490         }
 491         return isValidLength(tmp, &len);
 492 }
 493
 494
 495 void l_getline(istream & is, string & str)
 496 {
 497         str.erase();
 498         while (str.empty()) {
 499                 getline(is, str);
 500                 if (!str.empty() && str[str.length() - 1] == '\r')
 501                         str.erase(str.length() - 1);
 502         }
 503 }
 504
 505 } // namespace
 506
 507
 508 string const featureAsString(Tabular::Feature action)
 509 {
 510         for (size_t i = 0; i != Tabular::LAST_ACTION; ++i) {
 511                 if (tabularFeature[i].action == action)
 512                         return tabularFeature[i].feature;
 513         }
 514         return string();
 515 }
 516
 517
 518 InsetTableCell splitCell(InsetTableCell & head, docstring const align_d, bool & hassep)
 519 {
 520         InsetTableCell tail = InsetTableCell(head);
 521         tail.getText(0)->setMacrocontextPosition(
 522                 head.getText(0)->macrocontextPosition());
 523         tail.setBuffer(head.buffer());
 524
 525         DocIterator dit = doc_iterator_begin(&head.buffer(), &head);
 526         for (; dit; dit.forwardChar())
 527                 if (dit.inTexted() && dit.depth()==1
 528                         && dit.paragraph().find(align_d, false, false, dit.pos()))
 529                         break;
 530
 531         pit_type const psize = head.paragraphs().front().size();
 532         hassep = dit;
 533         if (hassep) {
 534                 head.paragraphs().front().eraseChars(dit.pos(), psize, false);
 535                 tail.paragraphs().front().eraseChars(0,
 536                         dit.pos() < psize ? dit.pos() + 1 : psize, false);
 537         }
 538
 539         return tail;
 540 }
 541
 542
 543 /////////////////////////////////////////////////////////////////////
 544 //
 545 // Tabular
 546 //
 547 /////////////////////////////////////////////////////////////////////
 548
 549
 550 Tabular::CellData::CellData(Buffer * buf)
 551         : cellno(0),
 552           width(0),
 553           multicolumn(Tabular::CELL_NORMAL),
 554           multirow(Tabular::CELL_NORMAL),
 555           alignment(LYX_ALIGN_CENTER),
 556           valignment(LYX_VALIGN_TOP),
 557           decimal_hoffset(0),
 558           decimal_width(0),
 559           voffset(0),
 560           top_line(false),
 561           bottom_line(false),
 562           left_line(false),
 563           right_line(false),
 564           usebox(BOX_NONE),
 565           rotate(false),
 566           inset(new InsetTableCell(buf))
 567 {
 568         inset->setBuffer(*buf);
 569 }
 570
 571
 572 Tabular::CellData::CellData(CellData const & cs)
 573         : cellno(cs.cellno),
 574           width(cs.width),
 575           multicolumn(cs.multicolumn),
 576           multirow(cs.multirow),
 577           mroffset(cs.mroffset),
 578           alignment(cs.alignment),
 579           valignment(cs.valignment),
 580           decimal_hoffset(cs.decimal_hoffset),
 581           decimal_width(cs.decimal_width),
 582           voffset(cs.voffset),
 583           top_line(cs.top_line),
 584           bottom_line(cs.bottom_line),
 585           left_line(cs.left_line),
 586           right_line(cs.right_line),
 587           usebox(cs.usebox),
 588           rotate(cs.rotate),
 589           align_special(cs.align_special),
 590           p_width(cs.p_width),
 591           inset(static_cast<InsetTableCell *>(cs.inset->clone()))
 592 {
 593 }
 594
 595 Tabular::CellData & Tabular::CellData::operator=(CellData cs)
 596 {
 597         swap(cs);
 598         return *this;
 599 }
 600
 601 void Tabular::CellData::swap(CellData & rhs)
 602 {
 603         std::swap(cellno, rhs.cellno);
 604         std::swap(width, rhs.width);
 605         std::swap(multicolumn, rhs.multicolumn);
 606         std::swap(multirow, rhs.multirow);
 607         std::swap(mroffset, rhs.mroffset);
 608         std::swap(alignment, rhs.alignment);
 609         std::swap(valignment, rhs.valignment);
 610         std::swap(decimal_hoffset, rhs.decimal_hoffset);
 611         std::swap(decimal_width, rhs.decimal_width);
 612         std::swap(voffset, rhs.voffset);
 613         std::swap(top_line, rhs.top_line);
 614         std::swap(bottom_line, rhs.bottom_line);
 615         std::swap(left_line, rhs.left_line);
 616         std::swap(right_line, rhs.right_line);
 617         std::swap(usebox, rhs.usebox);
 618         std::swap(rotate, rhs.rotate);
 619         std::swap(align_special, rhs.align_special);
 620         p_width.swap(rhs.p_width);
 621         inset.swap(rhs.inset);
 622 }
 623
 624
 625 Tabular::RowData::RowData()
 626         : ascent(0),
 627           descent(0),
 628           top_space_default(false),
 629           bottom_space_default(false),
 630           interline_space_default(false),
 631           endhead(false),
 632           endfirsthead(false),
 633           endfoot(false),
 634           endlastfoot(false),
 635           newpage(false),
 636           caption(false)
 637 {}
 638
 639
 640 Tabular::ColumnData::ColumnData()
 641         : alignment(LYX_ALIGN_CENTER),
 642           valignment(LYX_VALIGN_TOP),
 643           width(0)
 644 {
 645 }
 646
 647
 648 Tabular::ltType::ltType()
 649         : topDL(false),
 650           bottomDL(false),
 651           empty(false)
 652 {}
 653
 654
 655 Tabular::Tabular(Buffer * buffer, row_type rows_arg, col_type columns_arg)
 656 {
 657         init(buffer, rows_arg, columns_arg);
 658 }
 659
 660
 661 void Tabular::setBuffer(Buffer & buffer)
 662 {
 663         buffer_ = &buffer;
 664         for (row_type i = 0; i < nrows(); ++i)
 665                 for (col_type j = 0; j < ncols(); ++j)
 666                         cell_info[i][j].inset->setBuffer(*buffer_);
 667 }
 668
 669
 670 // activates all lines and sets all widths to 0
 671 void Tabular::init(Buffer * buf, row_type rows_arg,
 672                       col_type columns_arg)
 673 {
 674         buffer_ = buf;
 675         row_info = row_vector(rows_arg);
 676         column_info = column_vector(columns_arg);
 677         cell_info = cell_vvector(rows_arg, cell_vector(columns_arg, CellData(buf)));
 678         row_info.reserve(10);
 679         column_info.reserve(10);
 680         cell_info.reserve(100);
 681         updateIndexes();
 682         is_long_tabular = false;
 683         tabular_valignment = LYX_VALIGN_MIDDLE;
 684         longtabular_alignment = LYX_LONGTABULAR_ALIGN_CENTER;
 685         rotate = false;
 686         use_booktabs = false;
 687         // set silly default lines
 688         for (row_type r = 0; r < nrows(); ++r)
 689                 for (col_type c = 0; c < ncols(); ++c) {
 690                         cell_info[r][c].inset->setBuffer(*buffer_);
 691                         cell_info[r][c].top_line = true;
 692                         cell_info[r][c].left_line = true;
 693                         cell_info[r][c].bottom_line = r == 0 || r == nrows() - 1;
 694                         cell_info[r][c].right_line = c == ncols() - 1;
 695                 }
 696 }
 697
 698
 699 void Tabular::appendRow(idx_type const cell)
 700 {
 701         row_type const row = cellRow(cell);
 702
 703         row_info.insert(row_info.begin() + row + 1, RowData());
 704         row_info[row + 1] = row_info[row];
 705
 706         cell_info.insert(cell_info.begin() + row + 1,
 707                 cell_vector(ncols(), CellData(buffer_)));
 708         for (col_type c = 0; c < ncols(); ++c) {
 709                 if (cell_info[row][c].multirow == CELL_BEGIN_OF_MULTIROW)
 710                         cell_info[row + 1][c].multirow = CELL_PART_OF_MULTIROW;
 711                 else
 712                         cell_info[row + 1][c].multirow = cell_info[row][c].multirow;
 713         }
 714         updateIndexes();
 715
 716         for (col_type c = 0; c < ncols(); ++c) {
 717                 if (isPartOfMultiRow(row, c))
 718                         continue;
 719                 // inherit line settings
 720                 idx_type const i = cellIndex(row + 1, c);
 721                 idx_type const j = cellIndex(row, c);
 722                 setLeftLine(i, leftLine(j));
 723                 setRightLine(i, rightLine(j));
 724                 setTopLine(i, topLine(j));
 725                 if (topLine(j) && bottomLine(j)) {
 726                         setBottomLine(i, true);
 727                         setBottomLine(j, false);
 728                 }
 729                 // mark track changes
 730                 if (buffer().params().trackChanges)
 731                         cellInfo(i).inset->setChange(Change(Change::INSERTED));
 732         }
 733 }
 734
 735
 736 void Tabular::deleteRow(row_type const row)
 737 {
 738         // Not allowed to delete last row
 739         if (nrows() == 1)
 740                 return;
 741
 742         for (col_type c = 0; c < ncols(); ++c) {
 743                 // Care about multirow cells
 744                 if (row + 1 < nrows() &&
 745                     cell_info[row][c].multirow == CELL_BEGIN_OF_MULTIROW &&
 746                     cell_info[row + 1][c].multirow == CELL_PART_OF_MULTIROW) {
 747                                 cell_info[row + 1][c].multirow = CELL_BEGIN_OF_MULTIROW;
 748                 }
 749         }
 750         row_info.erase(row_info.begin() + row);
 751         cell_info.erase(cell_info.begin() + row);
 752         updateIndexes();
 753 }
 754
 755
 756 void Tabular::copyRow(row_type const row)
 757 {
 758         row_info.insert(row_info.begin() + row, row_info[row]);
 759         cell_info.insert(cell_info.begin() + row, cell_info[row]);
 760
 761         if (buffer().params().trackChanges)
 762                 for (col_type c = 0; c < ncols(); ++c)
 763                         cell_info[row + 1][c].inset->setChange(Change(Change::INSERTED));
 764
 765         updateIndexes();
 766 }
 767
 768
 769 void Tabular::appendColumn(idx_type const cell)
 770 {
 771         col_type const c = cellColumn(cell);
 772
 773         column_info.insert(column_info.begin() + c + 1, ColumnData());
 774         column_info[c + 1] = column_info[c];
 775
 776         for (row_type r = 0; r < nrows(); ++r) {
 777                 cell_info[r].insert(cell_info[r].begin() + c + 1,
 778                         CellData(buffer_));
 779                 if (cell_info[r][c].multicolumn == CELL_BEGIN_OF_MULTICOLUMN)
 780                         cell_info[r][c + 1].multicolumn = CELL_PART_OF_MULTICOLUMN;
 781                 else
 782                         cell_info[r][c + 1].multicolumn = cell_info[r][c].multicolumn;
 783         }
 784         updateIndexes();
 785         for (row_type r = 0; r < nrows(); ++r) {
 786                 // inherit line settings
 787                 idx_type const i = cellIndex(r, c + 1);
 788                 idx_type const j = cellIndex(r, c);
 789                 setBottomLine(i, bottomLine(j));
 790                 setTopLine(i, topLine(j));
 791                 setLeftLine(i, leftLine(j));
 792                 if (rightLine(j) && rightLine(j)) {
 793                         setRightLine(i, true);
 794                         setRightLine(j, false);
 795                 }
 796                 if (buffer().params().trackChanges)
 797                         cellInfo(i).inset->setChange(Change(Change::INSERTED));
 798         }
 799 }
 800
 801
 802 void Tabular::deleteColumn(col_type const col)
 803 {
 804         // Not allowed to delete last column
 805         if (ncols() == 1)
 806                 return;
 807
 808         for (row_type r = 0; r < nrows(); ++r) {
 809                 // Care about multicolumn cells
 810                 if (col + 1 < ncols() &&
 811                     cell_info[r][col].multicolumn == CELL_BEGIN_OF_MULTICOLUMN &&
 812                     cell_info[r][col + 1].multicolumn == CELL_PART_OF_MULTICOLUMN) {
 813                                 cell_info[r][col + 1].multicolumn = CELL_BEGIN_OF_MULTICOLUMN;
 814                 }
 815                 cell_info[r].erase(cell_info[r].begin() + col);
 816         }
 817         column_info.erase(column_info.begin() + col);
 818         updateIndexes();
 819 }
 820
 821
 822 void Tabular::copyColumn(col_type const col)
 823 {
 824         BufferParams const & bp = buffer().params();
 825         column_info.insert(column_info.begin() + col, column_info[col]);
 826
 827         for (row_type r = 0; r < nrows(); ++r) {
 828                 cell_info[r].insert(cell_info[r].begin() + col, cell_info[r][col]);
 829                 if (bp.trackChanges)
 830                         cell_info[r][col + 1].inset->setChange(Change(Change::INSERTED));
 831         }
 832         updateIndexes();
 833 }
 834
 835
 836 void Tabular::updateIndexes()
 837 {
 838         setBuffer(buffer());
 839         numberofcells = 0;
 840         // reset cell number
 841         for (row_type row = 0; row < nrows(); ++row)
 842                 for (col_type column = 0; column < ncols(); ++column) {
 843                         if (!isPartOfMultiColumn(row, column)
 844                                 && !isPartOfMultiRow(row, column))
 845                                 ++numberofcells;
 846                         if (isPartOfMultiRow(row, column))
 847                                 cell_info[row][column].cellno = cell_info[row - 1][column].cellno;
 848                         else
 849                                 cell_info[row][column].cellno = numberofcells - 1;
 850                 }
 851
 852         rowofcell.resize(numberofcells);
 853         columnofcell.resize(numberofcells);
 854         idx_type i = 0;
 855         // reset column and row of cells and update their width and alignment
 856         for (row_type row = 0; row < nrows(); ++row)
 857                 for (col_type column = 0; column < ncols(); ++column) {
 858                         if (isPartOfMultiColumn(row, column))
 859                                 continue;
 860                         // columnofcell needs to be called before setting width and aligment
 861                         // multirow cells inherit the width from the column width
 862                         if (!isPartOfMultiRow(row, column)) {
 863                                 columnofcell[i] = column;
 864                                 rowofcell[i] = row;
 865                         }
 866                         setFixedWidth(row, column);
 867                         if (isPartOfMultiRow(row, column))
 868                                 continue;
 869                         cell_info[row][column].inset->setContentAlignment(
 870                                 getAlignment(cellIndex(row, column)));
 871                         ++i;
 872                 }
 873 }
 874
 875
 876 Tabular::idx_type Tabular::numberOfCellsInRow(row_type const row) const
 877 {
 878         idx_type result = 0;
 879         for (col_type c = 0; c < ncols(); ++c)
 880                 if (cell_info[row][c].multicolumn != Tabular::CELL_PART_OF_MULTICOLUMN)
 881                         ++result;
 882         return result;
 883 }
 884
 885
 886 bool Tabular::topLine(idx_type const cell) const
 887 {
 888         return cellInfo(cell).top_line;
 889 }
 890
 891
 892 bool Tabular::bottomLine(idx_type const cell) const
 893 {
 894         return cellInfo(cell).bottom_line;
 895 }
 896
 897
 898 bool Tabular::leftLine(idx_type cell) const
 899 {
 900         if (use_booktabs)
 901                 return false;
 902         return cellInfo(cell).left_line;
 903 }
 904
 905
 906 bool Tabular::rightLine(idx_type cell) const
 907 {
 908         if (use_booktabs)
 909                 return false;
 910         return cellInfo(cell).right_line;
 911 }
 912
 913
 914 int Tabular::interRowSpace(row_type row) const
 915 {
 916         if (!row || row >= nrows())
 917                 return 0;
 918
 919         int const interline_space = row_info[row - 1].interline_space_default ?
 920                 default_line_space :
 921                 row_info[row - 1].interline_space.inPixels(width());
 922         if (rowTopLine(row) && rowBottomLine(row - 1))
 923                 return interline_space + WIDTH_OF_LINE;
 924         return interline_space;
 925 }
 926
 927
 928 int Tabular::interColumnSpace(idx_type cell) const
 929 {
 930         col_type const nextcol = cellColumn(cell) + columnSpan(cell);
 931         if (rightLine(cell) && nextcol < ncols()
 932                 && leftLine(cellIndex(cellRow(cell), nextcol)))
 933                 return WIDTH_OF_LINE;
 934         return 0;
 935 }
 936
 937
 938 int Tabular::cellWidth(idx_type cell) const
 939 {
 940         int w = 0;
 941         col_type const span = columnSpan(cell);
 942         col_type const col = cellColumn(cell);
 943         for(col_type c = col; c < col + span ; ++c)
 944                 w += column_info[c].width;
 945         return w;
 946 }
 947
 948
 949 int Tabular::cellHeight(idx_type cell) const
 950 {
 951         row_type const span = rowSpan(cell);
 952         row_type const row = cellRow(cell);
 953         int h = 0;
 954         for(row_type r = row; r < row + span ; ++r) {
 955                 h += rowAscent(r) + rowDescent(r);
 956                 if (r != row + span - 1)
 957                         h += interRowSpace(r + 1);
 958         }
 959
 960         return h;
 961 }
 962
 963
 964 bool Tabular::updateColumnWidths()
 965 {
 966         vector<int> max_dwidth(ncols(), 0);
 967         for(col_type c = 0; c < ncols(); ++c)
 968                 for(row_type r = 0; r < nrows(); ++r) {
 969                         idx_type const i = cellIndex(r, c);
 970                         if (getAlignment(i) == LYX_ALIGN_DECIMAL)
 971                                 max_dwidth[c] = max(max_dwidth[c], cell_info[r][c].decimal_width);
 972                 }
 973
 974         bool update = false;
 975         // for each col get max of single col cells
 976         for(col_type c = 0; c < ncols(); ++c) {
 977                 int new_width = 0;
 978                 for(row_type r = 0; r < nrows(); ++r) {
 979                         idx_type const i = cellIndex(r, c);
 980                         if (columnSpan(i) == 1) {
 981                                 if (getAlignment(i) == LYX_ALIGN_DECIMAL
 982                                         && cell_info[r][c].decimal_width!=0)
 983                                         new_width = max(new_width, cellInfo(i).width
 984                                                 + max_dwidth[c] - cellInfo(i).decimal_width);
 985                                 else
 986                                         new_width = max(new_width, cellInfo(i).width);
 987                         }
 988                 }
 989
 990                 if (column_info[c].width != new_width) {
 991                         column_info[c].width = new_width;
 992                         update = true;
 993                 }
 994         }
 995         // update col widths to fit merged cells
 996         for(col_type c = 0; c < ncols(); ++c)
 997                 for(row_type r = 0; r < nrows(); ++r) {
 998                         idx_type const i = cellIndex(r, c);
 999                         int const span = columnSpan(i);
1000                         if (span == 1 || c > cellColumn(i))
1001                                 continue;
1002
1003                         int old_width = 0;
1004                         for(col_type j = c; j < c + span ; ++j)
1005                                 old_width += column_info[j].width;
1006
1007                         if (cellInfo(i).width > old_width) {
1008                                 column_info[c + span - 1].width += cellInfo(i).width - old_width;
1009                                 update = true;
1010                         }
1011                 }
1012
1013         return update;
1014 }
1015
1016
1017 int Tabular::width() const
1018 {
1019         int width = 0;
1020         for (col_type c = 0; c < ncols(); ++c)
1021                 width += column_info[c].width;
1022         return width;
1023 }
1024
1025
1026 void Tabular::setAlignment(idx_type cell, LyXAlignment align,
1027                               bool has_width)
1028 {
1029         col_type const col = cellColumn(cell);
1030         // set alignment for the whole row if we are not in a multicolumn cell,
1031         // exclude possible multicolumn cells in the row
1032         if (!isMultiColumn(cell)) {
1033                 for (row_type r = 0; r < nrows(); ++r) {
1034                         // only if the column has no width the multirow inherits the
1035                         // alignment of the column, otherwise it is left aligned
1036                         if (!(isMultiRow(cellIndex(r, col)) && has_width)
1037                                 && !isMultiColumn(cellIndex(r, col))) {
1038                                 cell_info[r][col].alignment = align;
1039                                 cell_info[r][col].inset->setContentAlignment(align);
1040                         }
1041                         if ((isMultiRow(cellIndex(r, col)) && has_width)
1042                                 && !isMultiColumn(cellIndex(r, col))) {
1043                                 cell_info[r][col].alignment = LYX_ALIGN_LEFT;
1044                                 cell_info[r][col].inset->setContentAlignment(LYX_ALIGN_LEFT);
1045                         }
1046                 }
1047                 column_info[col].alignment = align;
1048                 docstring & dpoint = column_info[col].decimal_point;
1049                 if (align == LYX_ALIGN_DECIMAL && dpoint.empty())
1050                         dpoint = from_utf8(lyxrc.default_decimal_point);
1051         } else {
1052                 cellInfo(cell).alignment = align;
1053                 cellInset(cell).get()->setContentAlignment(align);
1054         }
1055 }
1056
1057
1058 void Tabular::setVAlignment(idx_type cell, VAlignment align,
1059                                bool onlycolumn)
1060 {
1061         if (!isMultiColumn(cell) || onlycolumn)
1062                 column_info[cellColumn(cell)].valignment = align;
1063         if (!onlycolumn)
1064                 cellInfo(cell).valignment = align;
1065 }
1066
1067
1068 namespace {
1069
1070 /**
1071  * Allow line and paragraph breaks for fixed width cells or disallow them,
1072  * merge cell paragraphs and reset layout to standard for variable width
1073  * cells.
1074  */
1075 void toggleFixedWidth(Cursor & cur, InsetTableCell * inset, bool fixedWidth)
1076 {
1077         inset->setAutoBreakRows(fixedWidth);
1078         inset->toggleFixedWidth(fixedWidth);
1079         if (fixedWidth)
1080                 return;
1081
1082         // merge all paragraphs to one
1083         BufferParams const & bp = cur.bv().buffer().params();
1084         while (inset->paragraphs().size() > 1)
1085                 mergeParagraph(bp, inset->paragraphs(), 0);
1086
1087         // reset layout
1088         cur.push(*inset);
1089         // undo information has already been recorded
1090         inset->getText(0)->setLayout(0, cur.lastpit() + 1,
1091                         bp.documentClass().plainLayoutName());
1092         cur.pop();
1093 }
1094
1095 }
1096
1097
1098 void Tabular::setColumnPWidth(Cursor & cur, idx_type cell,
1099                 Length const & width)
1100 {
1101         col_type const c = cellColumn(cell);
1102
1103         column_info[c].p_width = width;
1104         // reset the vertical alignment to top if the fixed with
1105         // is removed or zero because only fixed width columns can
1106         // have a vertical alignment
1107         if (column_info[c].p_width.zero())
1108                 column_info[c].valignment = LYX_VALIGN_TOP;
1109         for (row_type r = 0; r < nrows(); ++r) {
1110                 idx_type const cell = cellIndex(r, c);
1111                 // because of multicolumns
1112                 toggleFixedWidth(cur, cellInset(cell).get(),
1113                                  !getPWidth(cell).zero());
1114         }
1115         // cur paragraph can become invalid after paragraphs were merged
1116         if (cur.pit() > cur.lastpit())
1117                 cur.pit() = cur.lastpit();
1118         // cur position can become invalid after newlines were removed
1119         if (cur.pos() > cur.lastpos())
1120                 cur.pos() = cur.lastpos();
1121 }
1122
1123
1124 bool Tabular::setFixedWidth(row_type r, col_type c)
1125 {
1126         bool const multicol = cell_info[r][c].multicolumn != CELL_NORMAL;
1127         bool const fixed_width = (!column_info[c].p_width.zero() && !multicol)
1128               || (multicol && !cell_info[r][c].p_width.zero());
1129         cell_info[r][c].inset->toggleFixedWidth(fixed_width);
1130         return fixed_width;
1131 }
1132
1133
1134 bool Tabular::setMColumnPWidth(Cursor & cur, idx_type cell,
1135                 Length const & width)
1136 {
1137         if (!isMultiColumn(cell))
1138                 return false;
1139
1140         cellInfo(cell).p_width = width;
1141         toggleFixedWidth(cur, cellInset(cell).get(), !width.zero());
1142         // cur paragraph can become invalid after paragraphs were merged
1143         if (cur.pit() > cur.lastpit())
1144                 cur.pit() = cur.lastpit();
1145         // cur position can become invalid after newlines were removed
1146         if (cur.pos() > cur.lastpos())
1147                 cur.pos() = cur.lastpos();
1148         return true;
1149 }
1150
1151
1152 bool Tabular::setMROffset(Cursor &, idx_type cell, Length const & mroffset)
1153 {
1154         cellInfo(cell).mroffset = mroffset;
1155         return true;
1156 }
1157
1158
1159 void Tabular::setAlignSpecial(idx_type cell, docstring const & special,
1160                                  Tabular::Feature what)
1161 {
1162         if (what == SET_SPECIAL_MULTICOLUMN)
1163                 cellInfo(cell).align_special = special;
1164         else
1165                 column_info[cellColumn(cell)].align_special = special;
1166 }
1167
1168
1169 void Tabular::setTopLine(idx_type i, bool line)
1170 {
1171         cellInfo(i).top_line = line;
1172 }
1173
1174
1175 void Tabular::setBottomLine(idx_type i, bool line)
1176 {
1177         cellInfo(i).bottom_line = line;
1178 }
1179
1180
1181 void Tabular::setLeftLine(idx_type cell, bool line)
1182 {
1183         cellInfo(cell).left_line = line;
1184 }
1185
1186
1187 void Tabular::setRightLine(idx_type cell, bool line)
1188 {
1189         cellInfo(cell).right_line = line;
1190 }
1191
1192 bool Tabular::rowTopLine(row_type r) const
1193 {
1194         bool all_rows_set = true;
1195         for (col_type c = 0; all_rows_set && c < ncols(); ++c)
1196                 all_rows_set = cellInfo(cellIndex(r, c)).top_line;
1197         return all_rows_set;
1198 }
1199
1200
1201 bool Tabular::rowBottomLine(row_type r) const
1202 {
1203         bool all_rows_set = true;
1204         for (col_type c = 0; all_rows_set && c < ncols(); ++c)
1205                 all_rows_set = cellInfo(cellIndex(r, c)).bottom_line;
1206         return all_rows_set;
1207 }
1208
1209
1210 bool Tabular::columnLeftLine(col_type c) const
1211 {
1212         if (use_booktabs)
1213                 return false;
1214
1215         int nrows_left = 0;
1216         int total = 0;
1217         for (row_type r = 0; r < nrows(); ++r) {
1218                 idx_type const i = cellIndex(r, c);
1219                 if (c == cellColumn(i)) {
1220                         ++total;
1221                         bool right = c > 0 && cellInfo(cellIndex(r, c - 1)).right_line;
1222                         if (cellInfo(i).left_line || right)
1223                                 ++nrows_left;
1224                 }
1225         }
1226         return 2 * nrows_left >= total;
1227 }
1228
1229
1230 bool Tabular::columnRightLine(col_type c) const
1231 {
1232         if (use_booktabs)
1233                 return false;
1234
1235         int nrows_right = 0;
1236         int total = 0;
1237         for (row_type r = 0; r < nrows(); ++r) {
1238                 idx_type i = cellIndex(r, c);
1239                 if (c == cellColumn(i) + columnSpan(i) - 1) {
1240                         ++total;
1241                         bool left = (c + 1 < ncols()
1242                                 && cellInfo(cellIndex(r, c + 1)).left_line)
1243                                 || c + 1 == ncols();
1244                         if (cellInfo(i).right_line && left)
1245                                 ++nrows_right;
1246                 }
1247         }
1248         return 2 * nrows_right >= total;
1249 }
1250
1251
1252 LyXAlignment Tabular::getAlignment(idx_type cell, bool onlycolumn) const
1253 {
1254         if (!onlycolumn && (isMultiColumn(cell) || isMultiRow(cell)))
1255                 return cellInfo(cell).alignment;
1256
1257         return column_info[cellColumn(cell)].alignment;
1258 }
1259
1260
1261 Tabular::VAlignment
1262 Tabular::getVAlignment(idx_type cell, bool onlycolumn) const
1263 {
1264         if (!onlycolumn && (isMultiColumn(cell) || isMultiRow(cell)))
1265                 return cellInfo(cell).valignment;
1266         return column_info[cellColumn(cell)].valignment;
1267 }
1268
1269
1270 Length const Tabular::getPWidth(idx_type cell) const
1271 {
1272         if (isMultiColumn(cell))
1273                 return cellInfo(cell).p_width;
1274         return column_info[cellColumn(cell)].p_width;
1275 }
1276
1277
1278 Length const Tabular::getMROffset(idx_type cell) const
1279 {
1280         return cellInfo(cell).mroffset;
1281 }
1282
1283
1284 int Tabular::textHOffset(idx_type cell) const
1285 {
1286         // the LaTeX Way :-(
1287         int x = WIDTH_OF_LINE;
1288
1289         int const w = cellWidth(cell) - cellInfo(cell).width;
1290
1291         switch (getAlignment(cell)) {
1292         case LYX_ALIGN_CENTER:
1293                 x += w / 2;
1294                 break;
1295         case LYX_ALIGN_RIGHT:
1296                 x += w;
1297                 break;
1298         case LYX_ALIGN_DECIMAL: {
1299                 // we center when no decimal point
1300                 if (cellInfo(cell).decimal_width == 0) {
1301                         x += w / 2;
1302                         break;
1303                 }
1304                 col_type const c = cellColumn(cell);
1305                 int max_dhoffset = 0;
1306                 for(row_type r = 0; r < row_info.size() ; ++r) {
1307                         idx_type const i = cellIndex(r, c);
1308                         if (getAlignment(i) == LYX_ALIGN_DECIMAL
1309                                 && cellInfo(i).decimal_width != 0)
1310                                 max_dhoffset = max(max_dhoffset, cellInfo(i).decimal_hoffset);
1311                 }
1312                 x += max_dhoffset - cellInfo(cell).decimal_hoffset;
1313         }
1314         default:
1315                 // LYX_ALIGN_LEFT: nothing :-)
1316                 break;
1317         }
1318
1319         return x;
1320 }
1321
1322
1323 int Tabular::textVOffset(idx_type cell) const
1324 {
1325         int voffset = cellInfo(cell).voffset;
1326         if (isMultiRow(cell)) {
1327                 row_type const row = cellRow(cell);
1328                 voffset += (cellHeight(cell) - rowAscent(row) - rowDescent(row))/2;
1329         }
1330         return voffset;
1331 }
1332
1333
1334 Tabular::idx_type Tabular::getFirstCellInRow(row_type row) const
1335 {
1336         col_type c = 0;
1337         while (cell_info[row][c].multirow == CELL_PART_OF_MULTIROW)
1338                 ++c;
1339         return cell_info[row][c].cellno;
1340 }
1341
1342
1343 Tabular::idx_type Tabular::getLastCellInRow(row_type row) const
1344 {
1345         col_type c = ncols() - 1;
1346         while (cell_info[row][c].multirow == CELL_PART_OF_MULTIROW
1347                 || cell_info[row][c].multicolumn == CELL_PART_OF_MULTICOLUMN)
1348                 --c;
1349         return cell_info[row][c].cellno;
1350 }
1351
1352
1353 Tabular::row_type Tabular::cellRow(idx_type cell) const
1354 {
1355         if (cell >= numberofcells)
1356                 return nrows() - 1;
1357         if (cell == npos)
1358                 return 0;
1359         return rowofcell[cell];
1360 }
1361
1362
1363 Tabular::col_type Tabular::cellColumn(idx_type cell) const
1364 {
1365         if (cell >= numberofcells)
1366                 return ncols() - 1;
1367         if (cell == npos)
1368                 return 0;
1369         return columnofcell[cell];
1370 }
1371
1372
1373 void Tabular::write(ostream & os) const
1374 {
1375         // header line
1376         os << "<lyxtabular"
1377            << write_attribute("version", 3)
1378            << write_attribute("rows", nrows())
1379            << write_attribute("columns", ncols())
1380            << ">\n";
1381         // global longtable options
1382         os << "<features"
1383            << write_attribute("rotate", rotate)
1384            << write_attribute("booktabs", use_booktabs)
1385            << write_attribute("islongtable", is_long_tabular)
1386            << write_attribute("firstHeadTopDL", endfirsthead.topDL)
1387            << write_attribute("firstHeadBottomDL", endfirsthead.bottomDL)
1388            << write_attribute("firstHeadEmpty", endfirsthead.empty)
1389            << write_attribute("headTopDL", endhead.topDL)
1390            << write_attribute("headBottomDL", endhead.bottomDL)
1391            << write_attribute("footTopDL", endfoot.topDL)
1392            << write_attribute("footBottomDL", endfoot.bottomDL)
1393            << write_attribute("lastFootTopDL", endlastfoot.topDL)
1394            << write_attribute("lastFootBottomDL", endlastfoot.bottomDL)
1395            << write_attribute("lastFootEmpty", endlastfoot.empty);
1396         // longtables cannot be aligned vertically
1397         if (!is_long_tabular)
1398            os << write_attribute("tabularvalignment", tabular_valignment);
1399         if (is_long_tabular)
1400            os << write_attribute("longtabularalignment",
1401                                  longtabular_alignment);
1402         os << ">\n";
1403         for (col_type c = 0; c < ncols(); ++c) {
1404                 os << "<column"
1405                    << write_attribute("alignment", column_info[c].alignment);
1406                 if (column_info[c].alignment == LYX_ALIGN_DECIMAL)
1407                    os << write_attribute("decimal_point", column_info[c].decimal_point);
1408                 os << write_attribute("valignment", column_info[c].valignment)
1409                    << write_attribute("width", column_info[c].p_width.asString())
1410                    << write_attribute("special", column_info[c].align_special)
1411                    << ">\n";
1412         }
1413         for (row_type r = 0; r < nrows(); ++r) {
1414                 static const string def("default");
1415                 os << "<row";
1416                 if (row_info[r].top_space_default)
1417                         os << write_attribute("topspace", def);
1418                 else
1419                         os << write_attribute("topspace", row_info[r].top_space);
1420                 if (row_info[r].bottom_space_default)
1421                         os << write_attribute("bottomspace", def);
1422                 else
1423                         os << write_attribute("bottomspace", row_info[r].bottom_space);
1424                 if (row_info[r].interline_space_default)
1425                         os << write_attribute("interlinespace", def);
1426                 else
1427                         os << write_attribute("interlinespace", row_info[r].interline_space);
1428                 os << write_attribute("endhead", row_info[r].endhead)
1429                    << write_attribute("endfirsthead", row_info[r].endfirsthead)
1430                    << write_attribute("endfoot", row_info[r].endfoot)
1431                    << write_attribute("endlastfoot", row_info[r].endlastfoot)
1432                    << write_attribute("newpage", row_info[r].newpage)
1433                    << write_attribute("caption", row_info[r].caption)
1434                    << ">\n";
1435                 for (col_type c = 0; c < ncols(); ++c) {
1436                         os << "<cell"
1437                            << write_attribute("multicolumn", cell_info[r][c].multicolumn)
1438                            << write_attribute("multirow", cell_info[r][c].multirow)
1439                            << write_attribute("mroffset", cell_info[r][c].mroffset)
1440                            << write_attribute("alignment", cell_info[r][c].alignment)
1441                            << write_attribute("valignment", cell_info[r][c].valignment)
1442                            << write_attribute("topline", cell_info[r][c].top_line)
1443                            << write_attribute("bottomline", cell_info[r][c].bottom_line)
1444                            << write_attribute("leftline", cell_info[r][c].left_line)
1445                            << write_attribute("rightline", cell_info[r][c].right_line)
1446                            << write_attribute("rotate", cell_info[r][c].rotate)
1447                            << write_attribute("usebox", cell_info[r][c].usebox)
1448                            << write_attribute("width", cell_info[r][c].p_width)
1449                            << write_attribute("special", cell_info[r][c].align_special)
1450                            << ">\n";
1451                         os << "\\begin_inset ";
1452                         cell_info[r][c].inset->write(os);
1453                         os << "\n\\end_inset\n"
1454                            << "</cell>\n";
1455                 }
1456                 os << "</row>\n";
1457         }
1458         os << "</lyxtabular>\n";
1459 }
1460
1461
1462 void Tabular::read(Lexer & lex)
1463 {
1464         string line;
1465         istream & is = lex.getStream();
1466
1467         l_getline(is, line);
1468         if (!prefixIs(line, "<lyxtabular ") && !prefixIs(line, "<Tabular ")) {
1469                 LASSERT(false, /**/);
1470                 return;
1471         }
1472
1473         int version;
1474         if (!getTokenValue(line, "version", version))
1475                 return;
1476         LASSERT(version >= 2, /**/);
1477
1478         int rows_arg;
1479         if (!getTokenValue(line, "rows", rows_arg))
1480                 return;
1481         int columns_arg;
1482         if (!getTokenValue(line, "columns", columns_arg))
1483                 return;
1484         init(buffer_, rows_arg, columns_arg);
1485         l_getline(is, line);
1486         if (!prefixIs(line, "<features")) {
1487                 lyxerr << "Wrong tabular format (expected <features ...> got"
1488                        << line << ')' << endl;
1489                 return;
1490         }
1491         getTokenValue(line, "rotate", rotate);
1492         getTokenValue(line, "booktabs", use_booktabs);
1493         getTokenValue(line, "islongtable", is_long_tabular);
1494         getTokenValue(line, "tabularvalignment", tabular_valignment);
1495         getTokenValue(line, "longtabularalignment", longtabular_alignment);
1496         getTokenValue(line, "firstHeadTopDL", endfirsthead.topDL);
1497         getTokenValue(line, "firstHeadBottomDL", endfirsthead.bottomDL);
1498         getTokenValue(line, "firstHeadEmpty", endfirsthead.empty);
1499         getTokenValue(line, "headTopDL", endhead.topDL);
1500         getTokenValue(line, "headBottomDL", endhead.bottomDL);
1501         getTokenValue(line, "footTopDL", endfoot.topDL);
1502         getTokenValue(line, "footBottomDL", endfoot.bottomDL);
1503         getTokenValue(line, "lastFootTopDL", endlastfoot.topDL);
1504         getTokenValue(line, "lastFootBottomDL", endlastfoot.bottomDL);
1505         getTokenValue(line, "lastFootEmpty", endlastfoot.empty);
1506
1507         for (col_type c = 0; c < ncols(); ++c) {
1508                 l_getline(is,line);
1509                 if (!prefixIs(line,"<column")) {
1510                         lyxerr << "Wrong tabular format (expected <column ...> got"
1511                                << line << ')' << endl;
1512                         return;
1513                 }
1514                 getTokenValue(line, "alignment", column_info[c].alignment);
1515                 getTokenValue(line, "decimal_point", column_info[c].decimal_point);
1516                 getTokenValue(line, "valignment", column_info[c].valignment);
1517                 getTokenValue(line, "width", column_info[c].p_width);
1518                 getTokenValue(line, "special", column_info[c].align_special);
1519         }
1520
1521         for (row_type i = 0; i < nrows(); ++i) {
1522                 l_getline(is, line);
1523                 if (!prefixIs(line, "<row")) {
1524                         lyxerr << "Wrong tabular format (expected <row ...> got"
1525                                << line << ')' << endl;
1526                         return;
1527                 }
1528                 getTokenValue(line, "topspace", row_info[i].top_space,
1529                               row_info[i].top_space_default);
1530                 getTokenValue(line, "bottomspace", row_info[i].bottom_space,
1531                               row_info[i].bottom_space_default);
1532                 getTokenValue(line, "interlinespace", row_info[i].interline_space,
1533                               row_info[i].interline_space_default);
1534                 getTokenValue(line, "endfirsthead", row_info[i].endfirsthead);
1535                 getTokenValue(line, "endhead", row_info[i].endhead);
1536                 getTokenValue(line, "endfoot", row_info[i].endfoot);
1537                 getTokenValue(line, "endlastfoot", row_info[i].endlastfoot);
1538                 getTokenValue(line, "newpage", row_info[i].newpage);
1539                 getTokenValue(line, "caption", row_info[i].caption);
1540                 for (col_type j = 0; j < ncols(); ++j) {
1541                         l_getline(is, line);
1542                         if (!prefixIs(line, "<cell")) {
1543                                 lyxerr << "Wrong tabular format (expected <cell ...> got"
1544                                        << line << ')' << endl;
1545                                 return;
1546                         }
1547                         getTokenValue(line, "multicolumn", cell_info[i][j].multicolumn);
1548                         getTokenValue(line, "multirow", cell_info[i][j].multirow);
1549                         getTokenValue(line, "mroffset", cell_info[i][j].mroffset);
1550                         getTokenValue(line, "alignment", cell_info[i][j].alignment);
1551                         getTokenValue(line, "valignment", cell_info[i][j].valignment);
1552                         getTokenValue(line, "topline", cell_info[i][j].top_line);
1553                         getTokenValue(line, "bottomline", cell_info[i][j].bottom_line);
1554                         getTokenValue(line, "leftline", cell_info[i][j].left_line);
1555                         getTokenValue(line, "rightline", cell_info[i][j].right_line);
1556                         getTokenValue(line, "rotate", cell_info[i][j].rotate);
1557                         getTokenValue(line, "usebox", cell_info[i][j].usebox);
1558                         getTokenValue(line, "width", cell_info[i][j].p_width);
1559                         setFixedWidth(i,j);
1560                         getTokenValue(line, "special", cell_info[i][j].align_special);
1561                         l_getline(is, line);
1562                         if (prefixIs(line, "\\begin_inset")) {
1563                                 cell_info[i][j].inset->setBuffer(*buffer_);
1564                                 cell_info[i][j].inset->read(lex);
1565                                 l_getline(is, line);
1566                         }
1567                         if (!prefixIs(line, "</cell>")) {
1568                                 lyxerr << "Wrong tabular format (expected </cell> got"
1569                                        << line << ')' << endl;
1570                                 return;
1571                         }
1572                 }
1573                 l_getline(is, line);
1574                 if (!prefixIs(line, "</row>")) {
1575                         lyxerr << "Wrong tabular format (expected </row> got"
1576                                << line << ')' << endl;
1577                         return;
1578                 }
1579         }
1580         while (!prefixIs(line, "</lyxtabular>")) {
1581                 l_getline(is, line);
1582         }
1583         updateIndexes();
1584 }
1585
1586
1587 bool Tabular::isMultiColumn(idx_type cell) const
1588 {
1589         return (cellInfo(cell).multicolumn == CELL_BEGIN_OF_MULTICOLUMN
1590                 || cellInfo(cell).multicolumn == CELL_PART_OF_MULTICOLUMN);
1591 }
1592
1593
1594 Tabular::CellData & Tabular::cellInfo(idx_type cell) const
1595 {
1596         return cell_info[cellRow(cell)][cellColumn(cell)];
1597 }
1598
1599
1600 Tabular::idx_type Tabular::setMultiColumn(idx_type cell, idx_type number)
1601 {
1602         idx_type const col = cellColumn(cell);
1603         idx_type const row = cellRow(cell);
1604         for (idx_type i = 0; i < number; ++i)
1605                 unsetMultiRow(cellIndex(row, col + i));
1606
1607         // unsetting of multirow may have invalidated cell index
1608         cell = cellIndex(row, col);
1609         CellData & cs = cellInfo(cell);
1610         cs.multicolumn = CELL_BEGIN_OF_MULTICOLUMN;
1611         if (column_info[col].alignment != LYX_ALIGN_DECIMAL)
1612                 cs.alignment = column_info[col].alignment;
1613         if (col > 0)
1614                 setRightLine(cell, rightLine(cellIndex(row, col - 1)));
1615
1616         for (idx_type i = 1; i < number; ++i) {
1617                 CellData & cs1 = cellInfo(cell + i);
1618                 cs1.multicolumn = CELL_PART_OF_MULTICOLUMN;
1619                 cs.inset->appendParagraphs(cs1.inset->paragraphs());
1620                 cs1.inset->clear();
1621         }
1622         updateIndexes();
1623         return cell;
1624 }
1625
1626
1627 bool Tabular::isMultiRow(idx_type cell) const
1628 {
1629         return (cellInfo(cell).multirow == CELL_BEGIN_OF_MULTIROW
1630                 || cellInfo(cell).multirow == CELL_PART_OF_MULTIROW);
1631 }
1632
1633
1634 Tabular::idx_type Tabular::setMultiRow(idx_type cell, idx_type number)
1635 {
1636         idx_type const col = cellColumn(cell);
1637         idx_type const row = cellRow(cell);
1638         for (idx_type i = 0; i < number; ++i)
1639                 unsetMultiColumn(cellIndex(row + i, col));
1640
1641         // unsetting of multirow may have invalidated cell index
1642         cell = cellIndex(row, col);
1643         CellData & cs = cellInfo(cell);
1644         cs.multirow = CELL_BEGIN_OF_MULTIROW;
1645         cs.valignment = LYX_VALIGN_MIDDLE;
1646         // the horizontal alignment of multirow cells can only
1647         // be changed for the whole table row,
1648         // support changing this only for the multirow cell can be done via
1649         // \multirowsetup
1650         // this feature would be a fileformat change
1651         // until LyX supports this, use the deault alignment of multirow
1652         // cells: left
1653         cs.alignment = LYX_ALIGN_LEFT;
1654
1655         // set the bottom row of the last selected cell
1656         setBottomLine(cell, bottomLine(cell + (number - 1)*ncols()));
1657
1658         for (idx_type i = 1; i < number; ++i) {
1659                 CellData & cs1 = cell_info[row + i][col];
1660                 cs1.multirow = CELL_PART_OF_MULTIROW;
1661                 cs.inset->appendParagraphs(cs1.inset->paragraphs());
1662                 cs1.inset->clear();
1663         }
1664         updateIndexes();
1665         return cell;
1666 }
1667
1668
1669 Tabular::idx_type Tabular::columnSpan(idx_type cell) const
1670 {
1671         row_type const row = cellRow(cell);
1672         col_type const col = cellColumn(cell);
1673         int span = 1;
1674         while (col + span < ncols() && isPartOfMultiColumn(row, col + span))
1675                 ++span;
1676
1677         return span;
1678 }
1679
1680
1681 Tabular::idx_type Tabular::rowSpan(idx_type cell) const
1682 {
1683         col_type const column = cellColumn(cell);
1684         col_type row = cellRow(cell) + 1;
1685         while (row < nrows() && isPartOfMultiRow(row, column))
1686                 ++row;
1687
1688         return row - cellRow(cell);
1689 }
1690
1691
1692 void Tabular::unsetMultiColumn(idx_type cell)
1693 {
1694         if (!isMultiColumn(cell))
1695                 return;
1696
1697         row_type const row = cellRow(cell);
1698         col_type const col = cellColumn(cell);
1699         row_type const span = columnSpan(cell);
1700         for (col_type c = 0; c < span; ++c) {
1701                 // in the table dialog the lines are set in every case
1702                 // when unsetting a multicolumn this leads to an additional right
1703                 // line for every cell that was part of the former multicolumn cell,
1704                 // except if the cell is in the last column
1705                 // therefore remove this line
1706                 if (cell_info[row][col + c].multicolumn == CELL_BEGIN_OF_MULTICOLUMN
1707                         && (col + c) < (col + span - 1))
1708                         cell_info[row][col + c].right_line = false;
1709                 cell_info[row][col + c].multicolumn = CELL_NORMAL;
1710         }
1711         updateIndexes();
1712 }
1713
1714
1715 void Tabular::unsetMultiRow(idx_type cell)
1716 {
1717         if (!isMultiRow(cell))
1718                 return;
1719
1720         cellInfo(cell).valignment = LYX_VALIGN_TOP;
1721         cellInfo(cell).alignment = LYX_ALIGN_CENTER;
1722         row_type const row = cellRow(cell);
1723         col_type const col = cellColumn(cell);
1724         row_type const span = rowSpan(cell);
1725         for (row_type r = 0; r < span; ++r)
1726                 cell_info[row + r][col].multirow = CELL_NORMAL;
1727         updateIndexes();
1728 }
1729
1730
1731 void Tabular::setRotateCell(idx_type cell, bool flag)
1732 {
1733         cellInfo(cell).rotate = flag;
1734 }
1735
1736
1737 bool Tabular::getRotateCell(idx_type cell) const
1738 {
1739         return cellInfo(cell).rotate;
1740 }
1741
1742
1743 bool Tabular::needRotating() const
1744 {
1745         if (rotate)
1746                 return true;
1747         for (row_type r = 0; r < nrows(); ++r)
1748                 for (col_type c = 0; c < ncols(); ++c)
1749                         if (cell_info[r][c].rotate)
1750                                 return true;
1751         return false;
1752 }
1753
1754
1755 bool Tabular::isLastCell(idx_type cell) const
1756 {
1757         if (cell + 1 < numberofcells)
1758                 return false;
1759         return true;
1760 }
1761
1762
1763 Tabular::idx_type Tabular::cellAbove(idx_type cell) const
1764 {
1765         if (cellRow(cell) == 0)
1766                 return cell;
1767
1768         col_type const col = cellColumn(cell);
1769         row_type r = cellRow(cell) - 1;
1770         while (r > 0 && cell_info[r][col].multirow == CELL_PART_OF_MULTIROW)
1771                 --r;
1772
1773         return cell_info[r][col].cellno;
1774 }
1775
1776
1777 Tabular::idx_type Tabular::cellBelow(idx_type cell) const
1778 {
1779         row_type const nextrow = cellRow(cell) + rowSpan(cell);
1780         if (nextrow < nrows())
1781                 return cell_info[nextrow][cellColumn(cell)].cellno;
1782         return cell;
1783 }
1784
1785
1786 Tabular::idx_type Tabular::cellIndex(row_type row, col_type column) const
1787 {
1788         LASSERT(column != npos && column < ncols()
1789                 && row != npos && row < nrows(), /**/);
1790         return cell_info[row][column].cellno;
1791 }
1792
1793
1794 void Tabular::setUsebox(idx_type cell, BoxType type)
1795 {
1796         cellInfo(cell).usebox = type;
1797 }
1798
1799
1800 // FIXME: Remove this routine because we cannot insert \parboxes when the user
1801 // adds line breaks, see bug 4886.
1802 Tabular::BoxType Tabular::getUsebox(idx_type cell) const
1803 {
1804         if ((!column_info[cellColumn(cell)].p_width.zero() && !isMultiColumn(cell)) ||
1805                 (isMultiColumn(cell) && !cellInfo(cell).p_width.zero()))
1806                 return BOX_NONE;
1807         if (cellInfo(cell).usebox > 1)
1808                 return cellInfo(cell).usebox;
1809         return useParbox(cell);
1810 }
1811
1812
1813 ///
1814 //  This are functions used for the longtable support
1815 ///
1816 void Tabular::setLTHead(row_type row, bool flag, ltType const & hd,
1817                            bool first)
1818 {
1819         if (first) {
1820                 endfirsthead = hd;
1821                 if (hd.set)
1822                         row_info[row].endfirsthead = flag;
1823         } else {
1824                 endhead = hd;
1825                 if (hd.set)
1826                         row_info[row].endhead = flag;
1827         }
1828 }
1829
1830
1831 bool Tabular::getRowOfLTHead(row_type row, ltType & hd) const
1832 {
1833         hd = endhead;
1834         hd.set = haveLTHead();
1835         return row_info[row].endhead;
1836 }
1837
1838
1839 bool Tabular::getRowOfLTFirstHead(row_type row, ltType & hd) const
1840 {
1841         hd = endfirsthead;
1842         hd.set = haveLTFirstHead();
1843         return row_info[row].endfirsthead;
1844 }
1845
1846
1847 void Tabular::setLTFoot(row_type row, bool flag, ltType const & fd,
1848                            bool last)
1849 {
1850         if (last) {
1851                 endlastfoot = fd;
1852                 if (fd.set)
1853                         row_info[row].endlastfoot = flag;
1854         } else {
1855                 endfoot = fd;
1856                 if (fd.set)
1857                         row_info[row].endfoot = flag;
1858         }
1859 }
1860
1861
1862 bool Tabular::getRowOfLTFoot(row_type row, ltType & fd) const
1863 {
1864         fd = endfoot;
1865         fd.set = haveLTFoot();
1866         return row_info[row].endfoot;
1867 }
1868
1869
1870 bool Tabular::getRowOfLTLastFoot(row_type row, ltType & fd) const
1871 {
1872         fd = endlastfoot;
1873         fd.set = haveLTLastFoot();
1874         return row_info[row].endlastfoot;
1875 }
1876
1877
1878 void Tabular::setLTNewPage(row_type row, bool what)
1879 {
1880         row_info[row].newpage = what;
1881 }
1882
1883
1884 bool Tabular::getLTNewPage(row_type row) const
1885 {
1886         return row_info[row].newpage;
1887 }
1888
1889
1890 bool Tabular::haveLTHead() const
1891 {
1892         for (row_type i = 0; i < nrows(); ++i)
1893                 if (row_info[i].endhead)
1894                         return true;
1895         return false;
1896 }
1897
1898
1899 bool Tabular::haveLTFirstHead() const
1900 {
1901         if (endfirsthead.empty)
1902                 return false;
1903         for (row_type r = 0; r < nrows(); ++r)
1904                 if (row_info[r].endfirsthead)
1905                         return true;
1906         return false;
1907 }
1908
1909
1910 bool Tabular::haveLTFoot() const
1911 {
1912         for (row_type r = 0; r < nrows(); ++r)
1913                 if (row_info[r].endfoot)
1914                         return true;
1915         return false;
1916 }
1917
1918
1919 bool Tabular::haveLTLastFoot() const
1920 {
1921         if (endlastfoot.empty)
1922                 return false;
1923         for (row_type r = 0; r < nrows(); ++r)
1924                 if (row_info[r].endlastfoot)
1925                         return true;
1926         return false;
1927 }
1928
1929
1930 Tabular::idx_type Tabular::setLTCaption(row_type row, bool what)
1931 {
1932         idx_type i = getFirstCellInRow(row);
1933         if (what) {
1934                 setMultiColumn(i, numberOfCellsInRow(row));
1935                 setTopLine(i, false);
1936                 setBottomLine(i, false);
1937                 setLeftLine(i, false);
1938                 setRightLine(i, false);
1939         } else {
1940                 unsetMultiColumn(i);
1941                 // When unsetting a caption row, also all existing
1942                 // captions in this row must be dissolved.
1943         }
1944         row_info[row].caption = what;
1945         return i;
1946 }
1947
1948
1949 bool Tabular::ltCaption(row_type row) const
1950 {
1951         return row_info[row].caption;
1952 }
1953
1954
1955 bool Tabular::haveLTCaption() const
1956 {
1957         for (row_type r = 0; r < nrows(); ++r)
1958                 if (row_info[r].caption)
1959                         return true;
1960         return false;
1961 }
1962
1963
1964 // end longtable support functions
1965
1966 void Tabular::setRowAscent(row_type row, int height)
1967 {
1968         if (row >= nrows() || row_info[row].ascent == height)
1969                 return;
1970         row_info[row].ascent = height;
1971 }
1972
1973
1974 void Tabular::setRowDescent(row_type row, int height)
1975 {
1976         if (row >= nrows() || row_info[row].descent == height)
1977                 return;
1978         row_info[row].descent = height;
1979 }
1980
1981
1982 int Tabular::rowAscent(row_type row) const
1983 {
1984         LASSERT(row < nrows(), /**/);
1985         return row_info[row].ascent;
1986 }
1987
1988
1989 int Tabular::rowDescent(row_type row) const
1990 {
1991         LASSERT(row < nrows(), /**/);
1992         return row_info[row].descent;
1993 }
1994
1995
1996 int Tabular::height() const
1997 {
1998         int height = 0;
1999         for (row_type row = 0; row < nrows(); ++row)
2000                 height += rowAscent(row) + rowDescent(row) +
2001                         interRowSpace(row);
2002         return height;
2003 }
2004
2005
2006 bool Tabular::isPartOfMultiColumn(row_type row, col_type column) const
2007 {
2008         LASSERT(row < nrows(), /**/);
2009         LASSERT(column < ncols(), /**/);
2010         return cell_info[row][column].multicolumn == CELL_PART_OF_MULTICOLUMN;
2011 }
2012
2013
2014 bool Tabular::isPartOfMultiRow(row_type row, col_type column) const
2015 {
2016         LASSERT(row < nrows(), /**/);
2017         LASSERT(column < ncols(), /**/);
2018         return cell_info[row][column].multirow == CELL_PART_OF_MULTIROW;
2019 }
2020
2021
2022 int Tabular::TeXTopHLine(odocstream & os, row_type row, string const lang) const
2023 {
2024         // we only output complete row lines and the 1st row here, the rest
2025         // is done in Tabular::TeXBottomHLine(...)
2026
2027         // get for each column the topline (if any)
2028         vector<bool> topline;
2029         col_type nset = 0;
2030         for (col_type c = 0; c < ncols(); ++c) {
2031                 topline.push_back(topLine(cellIndex(row, c)));
2032                 // If cell is part of a multirow and not the first cell of the
2033                 // multirow, no line must be drawn.
2034                 if (row != 0)
2035                         if (isMultiRow(cellIndex(row, c))
2036                                 && isMultiRow(cellIndex(row - 1, c)))
2037                                         topline[c] = false;
2038                 if (topline[c])
2039                         ++nset;
2040         }
2041
2042         // do nothing if empty first row, or incomplete row line after
2043         if ((row == 0 && nset == 0) || (row > 0 && nset != ncols()))
2044                 return 0;
2045
2046         // only output complete row lines and the 1st row's clines
2047         if (nset == ncols()) {
2048                 if (use_booktabs) {
2049                         os << (row == 0 ? "\\toprule " : "\\midrule ");
2050                 } else {
2051                         os << "\\hline ";
2052                 }
2053         } else if (row == 0) {
2054                 for (col_type c = 0; c < ncols(); ++c) {
2055                         if (topline[c]) {
2056                                 col_type offset = 0;
2057                                 for (col_type j = 0 ; j < c; ++j)
2058                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2059                                                 ++offset;
2060
2061                                 //babel makes the "-" character an active one, so we have to suppress this here
2062                                 //see http://groups.google.com/group/comp.text.tex/browse_thread/thread/af769424a4a0f289#
2063                                 if (lang == "slovak" || lang == "czech")
2064                                         os << "\\expandafter" << (use_booktabs ? "\\cmidrule" : "\\cline")
2065                                         << "\\expandafter{\\expandafter" << c + 1 + offset << "\\string-";
2066                                 else
2067                                         os << (use_booktabs ? "\\cmidrule{" : "\\cline{") << c + 1 + offset << '-';
2068
2069                                 col_type cstart = c;
2070                                 for ( ; c < ncols() && topline[c]; ++c) {}
2071
2072                                 for (col_type j = cstart ; j < c ; ++j)
2073                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2074                                                 ++offset;
2075
2076                                 os << c + offset << "} ";
2077                         }
2078                 }
2079         }
2080         os << "\n";
2081         return 1;
2082 }
2083
2084
2085 int Tabular::TeXBottomHLine(odocstream & os, row_type row, string const lang) const
2086 {
2087         // we output bottomlines of row r and the toplines of row r+1
2088         // if the latter do not span the whole tabular
2089
2090         // get the bottomlines of row r, and toplines in next row
2091         bool lastrow = row == nrows() - 1;
2092         vector<bool> bottomline, topline;
2093         bool nextrowset = true;
2094         for (col_type c = 0; c < ncols(); ++c) {
2095                 bottomline.push_back(bottomLine(cellIndex(row, c)));
2096                 topline.push_back(!lastrow && topLine(cellIndex(row + 1, c)));
2097                 // If cell is part of a multirow and not the last or first cell of the
2098                 // multirow, no line must be drawn.
2099                 if (!lastrow)
2100                         if (isMultiRow(cellIndex(row, c))
2101                                 && isMultiRow(cellIndex(row + 1, c))) {
2102                                         bottomline[c] = false;
2103                                         topline[c] = false;
2104                                 }
2105                 nextrowset &= topline[c];
2106         }
2107
2108         // combine this row's bottom lines and next row's toplines if necessary
2109         col_type nset = 0;
2110         for (col_type c = 0; c < ncols(); ++c) {
2111                 if (!nextrowset)
2112                         bottomline[c] = bottomline[c] || topline[c];
2113                 if (bottomline[c])
2114                         ++nset;
2115         }
2116
2117         // do nothing if empty, OR incomplete row line with a topline in next row
2118         if (nset == 0 || (nextrowset && nset != ncols()))
2119                 return 0;
2120
2121         if (nset == ncols()) {
2122                 if (use_booktabs)
2123                         os << (lastrow ? "\\bottomrule" : "\\midrule");
2124                 else
2125                         os << "\\hline ";
2126         } else {
2127                 for (col_type c = 0; c < ncols(); ++c) {
2128                         if (bottomline[c]) {
2129                                 col_type offset = 0;
2130                                 for (col_type j = 0 ; j < c; ++j)
2131                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2132                                                 ++offset;
2133
2134                                 //babel makes the "-" character an active one, so we have to suppress this here
2135                                 //see http://groups.google.com/group/comp.text.tex/browse_thread/thread/af769424a4a0f289#
2136                                 if (lang == "slovak" || lang == "czech")
2137                                         os << "\\expandafter" << (use_booktabs ? "\\cmidrule" : "\\cline")
2138                                         << "\\expandafter{\\expandafter" << c + 1 + offset << "\\string-";
2139                                 else
2140                                         os << (use_booktabs ? "\\cmidrule{" : "\\cline{") << c + 1 + offset << '-';
2141
2142                                 col_type cstart = c;
2143                                 for ( ; c < ncols() && bottomline[c]; ++c) {}
2144
2145                                 for (col_type j = cstart ; j < c ; ++j)
2146                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2147                                                 ++offset;
2148
2149                                 os << c + offset << "} ";
2150                         }
2151                 }
2152         }
2153         os << "\n";
2154         return 1;
2155 }
2156
2157
2158 int Tabular::TeXCellPreamble(odocstream & os, idx_type cell,
2159                                                          bool & ismulticol, bool & ismultirow) const
2160 {
2161         int ret = 0;
2162         row_type const r = cellRow(cell);
2163         if (is_long_tabular && row_info[r].caption)
2164                 return ret;
2165
2166         Tabular::VAlignment valign =  getVAlignment(cell, !isMultiColumn(cell));
2167         LyXAlignment align = getAlignment(cell, !isMultiColumn(cell));
2168         // figure out how to set the lines
2169         // we always set double lines to the right of the cell
2170         col_type const c = cellColumn(cell);
2171         col_type const nextcol = c + columnSpan(cell);
2172         bool colright = columnRightLine(c);
2173         bool colleft = columnLeftLine(c);
2174         bool nextcolleft = nextcol < ncols() && columnLeftLine(nextcol);
2175         bool nextcellleft = nextcol < ncols()
2176                 && leftLine(cellIndex(r, nextcol));
2177         bool coldouble = colright && nextcolleft;
2178         bool celldouble = rightLine(cell) && nextcellleft;
2179
2180         ismulticol = isMultiColumn(cell)
2181                 || (c == 0 && colleft != leftLine(cell))
2182                 || ((colright || nextcolleft) && !rightLine(cell) && !nextcellleft)
2183                 || (!colright && !nextcolleft && (rightLine(cell) || nextcellleft))
2184                 || (coldouble != celldouble);
2185
2186         // we center in multicol when no decimal point
2187         ismulticol |= ((column_info[c].alignment == LYX_ALIGN_DECIMAL)
2188                 && (cellInfo(cell).decimal_width == 0));
2189
2190         // up counter by 1 for each decimally aligned col since they use 2 latex cols
2191         int latexcolspan = columnSpan(cell);
2192         for(col_type col = c; col < c + columnSpan(cell); ++col)
2193                 if (column_info[col].alignment == LYX_ALIGN_DECIMAL)
2194                         ++latexcolspan;
2195
2196         if (ismulticol) {
2197                 os << "\\multicolumn{" << latexcolspan << "}{";
2198                 if (c ==0 && leftLine(cell))
2199                         os << '|';
2200                 if (!cellInfo(cell).align_special.empty()) {
2201                         os << cellInfo(cell).align_special;
2202                 } else {
2203                         if (!getPWidth(cell).zero()) {
2204                                 switch (align) {
2205                                 case LYX_ALIGN_LEFT:
2206                                         os << ">{\\raggedright}";
2207                                         break;
2208                                 case LYX_ALIGN_RIGHT:
2209                                         os << ">{\\raggedleft}";
2210                                         break;
2211                                 case LYX_ALIGN_CENTER:
2212                                         os << ">{\\centering}";
2213                                         break;
2214                                 default:
2215                                         break;
2216                                 }
2217                                 switch (valign) {
2218                                 case LYX_VALIGN_TOP:
2219                                         os << 'p';
2220                                         break;
2221                                 case LYX_VALIGN_MIDDLE:
2222                                         os << 'm';
2223                                         break;
2224                                 case LYX_VALIGN_BOTTOM:
2225                                         os << 'b';
2226                                         break;
2227                                 }
2228                                 os << '{'
2229                                    << from_ascii(getPWidth(cell).asLatexString())
2230                                    << '}';
2231                         } else {
2232                                 switch (align) {
2233                                 case LYX_ALIGN_LEFT:
2234                                         os << 'l';
2235                                         break;
2236                                 case LYX_ALIGN_RIGHT:
2237                                         os << 'r';
2238                                         break;
2239                                 default:
2240                                         os << 'c';
2241                                         break;
2242                                 }
2243                         } // end if else !getPWidth
2244                 } // end if else !cellinfo_of_cell
2245                 if (rightLine(cell) || nextcellleft)
2246                         os << '|';
2247                 if (celldouble)
2248                         // add extra vertical line if we want a double one
2249                         os << '|';
2250                 os << "}{";
2251         } // end if ismulticol
2252
2253         // we only need code for the first multirow cell
2254         ismultirow = isMultiRow(cell);
2255         if (ismultirow) {
2256                 os << "\\multirow{" << rowSpan(cell) << "}{";
2257                 if (!getPWidth(cell).zero())
2258                         os << from_ascii(getPWidth(cell).asLatexString());
2259                 else
2260                         // we need to set a default value
2261                         os << "*";
2262                 os << "}";
2263                 if (!getMROffset(cell).zero())
2264                         os << "[" << from_ascii(getMROffset(cell).asLatexString()) << "]";
2265                 os << "{";
2266         } // end if ismultirow
2267
2268         if (getRotateCell(cell)) {
2269                 os << "\\begin{sideways}\n";
2270                 ++ret;
2271         }
2272         if (getUsebox(cell) == BOX_PARBOX) {
2273                 os << "\\parbox[";
2274                 switch (valign) {
2275                 case LYX_VALIGN_TOP:
2276                         os << 't';
2277                         break;
2278                 case LYX_VALIGN_MIDDLE:
2279                         os << 'c';
2280                         break;
2281                 case LYX_VALIGN_BOTTOM:
2282                         os << 'b';
2283                         break;
2284                 }
2285                 os << "]{" << from_ascii(getPWidth(cell).asLatexString())
2286                    << "}{";
2287         } else if (getUsebox(cell) == BOX_MINIPAGE) {
2288                 os << "\\begin{minipage}[";
2289                 switch (valign) {
2290                 case LYX_VALIGN_TOP:
2291                         os << 't';
2292                         break;
2293                 case LYX_VALIGN_MIDDLE:
2294                         os << 'm';
2295                         break;
2296                 case LYX_VALIGN_BOTTOM:
2297                         os << 'b';
2298                         break;
2299                 }
2300                 os << "]{" << from_ascii(getPWidth(cell).asLatexString())
2301                    << "}\n";
2302                 ++ret;
2303         }
2304         return ret;
2305 }
2306
2307
2308 int Tabular::TeXCellPostamble(odocstream & os, idx_type cell,
2309                                                           bool ismulticol, bool ismultirow) const
2310 {
2311         int ret = 0;
2312         row_type const r = cellRow(cell);
2313         if (is_long_tabular && row_info[r].caption)
2314                 return ret;
2315
2316         // usual cells
2317         if (getUsebox(cell) == BOX_PARBOX)
2318                 os << '}';
2319         else if (getUsebox(cell) == BOX_MINIPAGE) {
2320                 os << "%\n\\end{minipage}";
2321                 ret += 2;
2322         }
2323         if (getRotateCell(cell)) {
2324                 os << "%\n\\end{sideways}";
2325                 ++ret;
2326         }
2327         if (ismultirow)
2328                 os << '}';
2329         if (ismulticol)
2330                 os << '}';
2331
2332         return ret;
2333 }
2334
2335
2336 int Tabular::TeXLongtableHeaderFooter(odocstream & os,
2337                                          OutputParams const & runparams) const
2338 {
2339         if (!is_long_tabular)
2340                 return 0;
2341
2342         int ret = 0;
2343         // caption handling
2344         // the caption must be output before the headers
2345         if (haveLTCaption()) {
2346                 for (row_type r = 0; r < nrows(); ++r) {
2347                         if (row_info[r].caption) {
2348                                 ret += TeXRow(os, r, runparams);
2349                         }
2350                 }
2351         }
2352         // output first header info
2353         // first header must be output before the header, otherwise the
2354         // correct caption placement becomes really weird
2355         if (haveLTFirstHead()) {
2356                 if (endfirsthead.topDL) {
2357                         os << "\\hline\n";
2358                         ++ret;
2359                 }
2360                 for (row_type r = 0; r < nrows(); ++r) {
2361                         if (row_info[r].endfirsthead) {
2362                                 ret += TeXRow(os, r, runparams);
2363                         }
2364                 }
2365                 if (endfirsthead.bottomDL) {
2366                         os << "\\hline\n";
2367                         ++ret;
2368                 }
2369                 os << "\\endfirsthead\n";
2370                 ++ret;
2371         }
2372         // output header info
2373         if (haveLTHead()) {
2374                 if (endfirsthead.empty && !haveLTFirstHead()) {
2375                         os << "\\endfirsthead\n";
2376                         ++ret;
2377                 }
2378                 if (endhead.topDL) {
2379                         os << "\\hline\n";
2380                         ++ret;
2381                 }
2382                 for (row_type r = 0; r < nrows(); ++r) {
2383                         if (row_info[r].endhead) {
2384                                 ret += TeXRow(os, r, runparams);
2385                         }
2386                 }
2387                 if (endhead.bottomDL) {
2388                         os << "\\hline\n";
2389                         ++ret;
2390                 }
2391                 os << "\\endhead\n";
2392                 ++ret;
2393         }
2394         // output footer info
2395         if (haveLTFoot()) {
2396                 if (endfoot.topDL) {
2397                         os << "\\hline\n";
2398                         ++ret;
2399                 }
2400                 for (row_type r = 0; r < nrows(); ++r) {
2401                         if (row_info[r].endfoot) {
2402                                 ret += TeXRow(os, r, runparams);
2403                         }
2404                 }
2405                 if (endfoot.bottomDL) {
2406                         os << "\\hline\n";
2407                         ++ret;
2408                 }
2409                 os << "\\endfoot\n";
2410                 ++ret;
2411                 if (endlastfoot.empty && !haveLTLastFoot()) {
2412                         os << "\\endlastfoot\n";
2413                         ++ret;
2414                 }
2415         }
2416         // output lastfooter info
2417         if (haveLTLastFoot()) {
2418                 if (endlastfoot.topDL) {
2419                         os << "\\hline\n";
2420                         ++ret;
2421                 }
2422                 for (row_type r = 0; r < nrows(); ++r) {
2423                         if (row_info[r].endlastfoot) {
2424                                 ret += TeXRow(os, r, runparams);
2425                         }
2426                 }
2427                 if (endlastfoot.bottomDL) {
2428                         os << "\\hline\n";
2429                         ++ret;
2430                 }
2431                 os << "\\endlastfoot\n";
2432                 ++ret;
2433         }
2434         return ret;
2435 }
2436
2437
2438 bool Tabular::isValidRow(row_type row) const
2439 {
2440         if (!is_long_tabular)
2441                 return true;
2442         return !row_info[row].endhead && !row_info[row].endfirsthead
2443                 && !row_info[row].endfoot && !row_info[row].endlastfoot
2444                 && !row_info[row].caption;
2445 }
2446
2447
2448 int Tabular::TeXRow(odocstream & os, row_type row,
2449                        OutputParams const & runparams) const
2450 {
2451         idx_type cell = cellIndex(row, 0);
2452         shared_ptr<InsetTableCell> inset = cellInset(cell);
2453         Paragraph const & par = inset->paragraphs().front();
2454         string const lang = par.getParLanguage(buffer().params())->lang();
2455
2456         //output the top line
2457         int ret = TeXTopHLine(os, row, lang);
2458
2459         if (row_info[row].top_space_default) {
2460                 if (use_booktabs)
2461                         os << "\\addlinespace\n";
2462                 else
2463                         os << "\\noalign{\\vskip\\doublerulesep}\n";
2464                 ++ret;
2465         } else if(!row_info[row].top_space.zero()) {
2466                 if (use_booktabs)
2467                         os << "\\addlinespace["
2468                            << from_ascii(row_info[row].top_space.asLatexString())
2469                            << "]\n";
2470                 else {
2471                         os << "\\noalign{\\vskip"
2472                            << from_ascii(row_info[row].top_space.asLatexString())
2473                            << "}\n";
2474                 }
2475                 ++ret;
2476         }
2477         bool ismulticol = false;
2478         bool ismultirow = false;
2479         for (col_type c = 0; c < ncols(); ++c) {
2480                 if (isPartOfMultiColumn(row, c))
2481                         continue;
2482
2483                 if (isPartOfMultiRow(row, c) &&
2484                         column_info[c].alignment != LYX_ALIGN_DECIMAL) {
2485                         os << " & ";
2486                         continue;
2487                 }
2488
2489                 cell = cellIndex(row, c);
2490                 ret += TeXCellPreamble(os, cell, ismulticol, ismultirow);
2491                 shared_ptr<InsetTableCell> inset = cellInset(cell);
2492
2493                 Paragraph const & par = inset->paragraphs().front();
2494                 bool rtl = par.isRTL(buffer().params())
2495                         && !par.empty()
2496                         && getPWidth(cell).zero();
2497
2498                 if (rtl) {
2499                         string const lang =
2500                                 par.getParLanguage(buffer().params())->lang();
2501                         if (lang == "farsi")
2502                                 os << "\\textFR{";
2503                         else if (lang == "arabic_arabi")
2504                                 os << "\\textAR{";
2505                         // currently, remaning RTL languages are
2506                         // arabic_arabtex and hebrew
2507                         else
2508                                 os << "\\R{";
2509                 }
2510                 // pass to the OutputParams that we are in a cell and
2511                 // which alignment we have set.
2512                 // InsetNewline needs this context information.
2513                 OutputParams newrp(runparams);
2514                 newrp.inTableCell = (getAlignment(cell) == LYX_ALIGN_BLOCK)
2515                                     ? OutputParams::PLAIN
2516                                     : OutputParams::ALIGNED;
2517
2518                 if (getAlignment(cell) == LYX_ALIGN_DECIMAL
2519                         && cellInfo(cell).decimal_width != 0) {
2520                         // copy cell and split in 2
2521                         InsetTableCell head = InsetTableCell(*cellInset(cell).get());
2522                         head.getText(0)->setMacrocontextPosition(
2523                                 cellInset(cell)->getText(0)->macrocontextPosition());
2524                         head.setBuffer(buffer());
2525                         bool hassep = false;
2526                         InsetTableCell tail = splitCell(head, column_info[c].decimal_point, hassep);
2527                         head.latex(os, newrp);
2528                         os << '&';
2529                         ret += tail.latex(os, newrp);
2530                 } else if (!isPartOfMultiRow(row, c))
2531                         ret += inset->latex(os, newrp);
2532
2533                 runparams.encoding = newrp.encoding;
2534                 if (rtl)
2535                         os << '}';
2536
2537                 ret += TeXCellPostamble(os, cell, ismulticol, ismultirow);
2538                 if (cell != getLastCellInRow(row)) { // not last cell in row
2539                         os << " & ";
2540                 }
2541         }
2542         if (row_info[row].caption && !endfirsthead.empty && !haveLTFirstHead())
2543                 // if no first header and no empty first header is used,
2544                 // the caption needs to be terminated by \endfirsthead
2545                 // (bug 6057)
2546                 os << "\\endfirsthead";
2547         else
2548                 os << "\\tabularnewline";
2549         if (row_info[row].bottom_space_default) {
2550                 if (use_booktabs)
2551                         os << "\\addlinespace";
2552                 else
2553                         os << "[\\doublerulesep]";
2554         } else if (!row_info[row].bottom_space.zero()) {
2555                 if (use_booktabs)
2556                         os << "\\addlinespace";
2557                 os << '['
2558                    << from_ascii(row_info[row].bottom_space.asLatexString())
2559                    << ']';
2560         }
2561         os << '\n';
2562         ++ret;
2563
2564         //output the bottom line
2565         ret += TeXBottomHLine(os, row, lang);
2566
2567         if (row_info[row].interline_space_default) {
2568                 if (use_booktabs)
2569                         os << "\\addlinespace\n";
2570                 else
2571                         os << "\\noalign{\\vskip\\doublerulesep}\n";
2572                 ++ret;
2573         } else if (!row_info[row].interline_space.zero()) {
2574                 if (use_booktabs)
2575                         os << "\\addlinespace["
2576                            << from_ascii(row_info[row].interline_space.asLatexString())
2577                            << "]\n";
2578                 else
2579                         os << "\\noalign{\\vskip"
2580                            << from_ascii(row_info[row].interline_space.asLatexString())
2581                            << "}\n";
2582                 ++ret;
2583         }
2584         return ret;
2585 }
2586
2587
2588 int Tabular::latex(odocstream & os, OutputParams const & runparams) const
2589 {
2590         int ret = 0;
2591
2592         //+---------------------------------------------------------------------
2593         //+                      first the opening preamble                    +
2594         //+---------------------------------------------------------------------
2595
2596         if (rotate) {
2597                 os << "\\begin{sideways}\n";
2598                 ++ret;
2599         }
2600         if (is_long_tabular) {
2601                 os << "\\begin{longtable}";
2602                 switch (longtabular_alignment) {
2603                 case LYX_LONGTABULAR_ALIGN_LEFT:
2604                         os << "[l]";
2605                         break;
2606                 case LYX_LONGTABULAR_ALIGN_CENTER:
2607                         break;
2608                 case LYX_LONGTABULAR_ALIGN_RIGHT:
2609                         os << "[r]";
2610                         break;
2611                 }
2612         } else {
2613                 os << "\\begin{tabular}";
2614                 switch (tabular_valignment) {
2615                 case LYX_VALIGN_TOP:
2616                         os << "[t]";
2617                         break;
2618                 case LYX_VALIGN_MIDDLE:
2619                         break;
2620                 case LYX_VALIGN_BOTTOM:
2621                         os << "[b]";
2622                         break;
2623                 }
2624         }
2625
2626         os << "{";
2627
2628         for (col_type c = 0; c < ncols(); ++c) {
2629                 if (columnLeftLine(c))
2630                         os << '|';
2631                 if (!column_info[c].align_special.empty()) {
2632                         os << column_info[c].align_special;
2633                 } else {
2634                         if (!column_info[c].p_width.zero()) {
2635                                 switch (column_info[c].alignment) {
2636                                 case LYX_ALIGN_LEFT:
2637                                         os << ">{\\raggedright}";
2638                                         break;
2639                                 case LYX_ALIGN_RIGHT:
2640                                         os << ">{\\raggedleft}";
2641                                         break;
2642                                 case LYX_ALIGN_CENTER:
2643                                         os << ">{\\centering}";
2644                                         break;
2645                                 case LYX_ALIGN_NONE:
2646                                 case LYX_ALIGN_BLOCK:
2647                                 case LYX_ALIGN_LAYOUT:
2648                                 case LYX_ALIGN_SPECIAL:
2649                                 case LYX_ALIGN_DECIMAL:
2650                                         break;
2651                                 }
2652
2653                                 switch (column_info[c].valignment) {
2654                                 case LYX_VALIGN_TOP:
2655                                         os << 'p';
2656                                         break;
2657                                 case LYX_VALIGN_MIDDLE:
2658                                         os << 'm';
2659                                         break;
2660                                 case LYX_VALIGN_BOTTOM:
2661                                         os << 'b';
2662                                         break;
2663                         }
2664                                 os << '{'
2665                                    << from_ascii(column_info[c].p_width.asLatexString())
2666                                    << '}';
2667                         } else {
2668                                 switch (column_info[c].alignment) {
2669                                 case LYX_ALIGN_LEFT:
2670                                         os << 'l';
2671                                         break;
2672                                 case LYX_ALIGN_RIGHT:
2673                                         os << 'r';
2674                                         break;
2675                                 case LYX_ALIGN_DECIMAL:
2676                                         os << "r@{\\extracolsep{0pt}" << column_info[c].decimal_point << "}l";
2677                                         break;
2678                                 default:
2679                                         os << 'c';
2680                                         break;
2681                                 }
2682                         } // end if else !column_info[i].p_width
2683                 } // end if else !column_info[i].align_special
2684                 if (columnRightLine(c))
2685                         os << '|';
2686         }
2687         os << "}\n";
2688         ++ret;
2689
2690         ret += TeXLongtableHeaderFooter(os, runparams);
2691
2692         //+---------------------------------------------------------------------
2693         //+                      the single row and columns (cells)            +
2694         //+---------------------------------------------------------------------
2695
2696         for (row_type r = 0; r < nrows(); ++r) {
2697                 if (isValidRow(r)) {
2698                         ret += TeXRow(os, r, runparams);
2699                         if (is_long_tabular && row_info[r].newpage) {
2700                                 os << "\\newpage\n";
2701                                 ++ret;
2702                         }
2703                 }
2704         }
2705
2706         //+---------------------------------------------------------------------
2707         //+                      the closing of the tabular                    +
2708         //+---------------------------------------------------------------------
2709
2710         if (is_long_tabular)
2711                 os << "\\end{longtable}";
2712         else
2713                 os << "\\end{tabular}";
2714         if (rotate) {
2715                 os << "\n\\end{sideways}";
2716                 ++ret;
2717         }
2718
2719         return ret;
2720 }
2721
2722
2723 int Tabular::docbookRow(odocstream & os, row_type row,
2724                            OutputParams const & runparams) const
2725 {
2726         int ret = 0;
2727         idx_type cell = getFirstCellInRow(row);
2728
2729         os << "<row>\n";
2730         for (col_type c = 0; c < ncols(); ++c) {
2731                 if (isPartOfMultiColumn(row, c))
2732                         continue;
2733
2734                 os << "<entry align=\"";
2735                 switch (getAlignment(cell)) {
2736                 case LYX_ALIGN_LEFT:
2737                         os << "left";
2738                         break;
2739                 case LYX_ALIGN_RIGHT:
2740                         os << "right";
2741                         break;
2742                 default:
2743                         os << "center";
2744                         break;
2745                 }
2746
2747                 os << "\" valign=\"";
2748                 switch (getVAlignment(cell)) {
2749                 case LYX_VALIGN_TOP:
2750                         os << "top";
2751                         break;
2752                 case LYX_VALIGN_BOTTOM:
2753                         os << "bottom";
2754                         break;
2755                 case LYX_VALIGN_MIDDLE:
2756                         os << "middle";
2757                 }
2758                 os << '"';
2759
2760                 if (isMultiColumn(cell)) {
2761                         os << " namest=\"col" << c << "\" ";
2762                         os << "nameend=\"col" << c + columnSpan(cell) - 1 << '"';
2763                 }
2764
2765                 os << '>';
2766                 ret += cellInset(cell)->docbook(os, runparams);
2767                 os << "</entry>\n";
2768                 ++cell;
2769         }
2770         os << "</row>\n";
2771         return ret;
2772 }
2773
2774
2775 int Tabular::docbook(odocstream & os, OutputParams const & runparams) const
2776 {
2777         int ret = 0;
2778
2779         //+---------------------------------------------------------------------
2780         //+                      first the opening preamble                    +
2781         //+---------------------------------------------------------------------
2782
2783         os << "<tgroup cols=\"" << ncols()
2784            << "\" colsep=\"1\" rowsep=\"1\">\n";
2785
2786         for (col_type c = 0; c < ncols(); ++c) {
2787                 os << "<colspec colname=\"col" << c << "\" align=\"";
2788                 switch (column_info[c].alignment) {
2789                 case LYX_ALIGN_LEFT:
2790                         os << "left";
2791                         break;
2792                 case LYX_ALIGN_RIGHT:
2793                         os << "right";
2794                         break;
2795                 default:
2796                         os << "center";
2797                         break;
2798                 }
2799                 os << '"';
2800                 if (runparams.flavor == OutputParams::XML)
2801                         os << '/';
2802                 os << ">\n";
2803                 ++ret;
2804         }
2805
2806         //+---------------------------------------------------------------------
2807         //+                      Long Tabular case                             +
2808         //+---------------------------------------------------------------------
2809
2810         // output caption info
2811         if (haveLTCaption()) {
2812                 os << "<caption>\n";
2813                 ++ret;
2814                 for (row_type r = 0; r < nrows(); ++r) {
2815                         if (row_info[r].caption) {
2816                                 ret += docbookRow(os, r, runparams);
2817                         }
2818                 }
2819                 os << "</caption>\n";
2820                 ++ret;
2821         }
2822         // output header info
2823         if (haveLTHead() || haveLTFirstHead()) {
2824                 os << "<thead>\n";
2825                 ++ret;
2826                 for (row_type r = 0; r < nrows(); ++r) {
2827                         if (row_info[r].endhead || row_info[r].endfirsthead) {
2828                                 ret += docbookRow(os, r, runparams);
2829                         }
2830                 }
2831                 os << "</thead>\n";
2832                 ++ret;
2833         }
2834         // output footer info
2835         if (haveLTFoot() || haveLTLastFoot()) {
2836                 os << "<tfoot>\n";
2837                 ++ret;
2838                 for (row_type r = 0; r < nrows(); ++r) {
2839                         if (row_info[r].endfoot || row_info[r].endlastfoot) {
2840                                 ret += docbookRow(os, r, runparams);
2841                         }
2842                 }
2843                 os << "</tfoot>\n";
2844                 ++ret;
2845         }
2846
2847         //+---------------------------------------------------------------------
2848         //+                      the single row and columns (cells)            +
2849         //+---------------------------------------------------------------------
2850
2851         os << "<tbody>\n";
2852         ++ret;
2853         for (row_type r = 0; r < nrows(); ++r) {
2854                 if (isValidRow(r)) {
2855                         ret += docbookRow(os, r, runparams);
2856                 }
2857         }
2858         os << "</tbody>\n";
2859         ++ret;
2860         //+---------------------------------------------------------------------
2861         //+                      the closing of the tabular                    +
2862         //+---------------------------------------------------------------------
2863
2864         os << "</tgroup>";
2865         ++ret;
2866
2867         return ret;
2868 }
2869
2870
2871 docstring Tabular::xhtmlRow(XHTMLStream & xs, row_type row,
2872                            OutputParams const & runparams) const
2873 {
2874         docstring ret;
2875         idx_type cell = getFirstCellInRow(row);
2876
2877         xs << html::StartTag("tr");
2878         for (col_type c = 0; c < ncols(); ++c) {
2879                 if (isPartOfMultiColumn(row, c))
2880                         continue;
2881
2882                 stringstream attr;
2883                 attr << "align='";
2884                 switch (getAlignment(cell)) {
2885                 case LYX_ALIGN_LEFT:
2886                         attr << "left";
2887                         break;
2888                 case LYX_ALIGN_RIGHT:
2889                         attr << "right";
2890                         break;
2891                 default:
2892                         attr << "center";
2893                         break;
2894                 }
2895                 attr << "'";
2896                 attr << " valign='";
2897                 switch (getVAlignment(cell)) {
2898                 case LYX_VALIGN_TOP:
2899                         attr << "top";
2900                         break;
2901                 case LYX_VALIGN_BOTTOM:
2902                         attr << "bottom";
2903                         break;
2904                 case LYX_VALIGN_MIDDLE:
2905                         attr << "middle";
2906                 }
2907                 attr << "'";
2908
2909                 if (isMultiColumn(cell))
2910                         attr << " colspan='" << columnSpan(cell) << "'";
2911
2912                 xs << html::StartTag("td", attr.str());
2913                 ret += cellInset(cell)->xhtml(xs, runparams);
2914                 xs << html::EndTag("td");
2915                 ++cell;
2916         }
2917         xs << html::EndTag("tr");
2918         return ret;
2919 }
2920
2921
2922 docstring Tabular::xhtml(XHTMLStream & xs, OutputParams const & runparams) const
2923 {
2924         docstring ret;
2925         // It's unclear to me if we need to mess with the long table stuff.
2926         // We can borrow that too from docbook, if so.
2927
2928         xs << html::StartTag("tbody");
2929         for (row_type r = 0; r < nrows(); ++r) {
2930                 if (isValidRow(r)) {
2931                         ret += xhtmlRow(xs, r, runparams);
2932                 }
2933         }
2934         xs << html::EndTag("tbody");
2935         return ret;
2936 }
2937
2938
2939 bool Tabular::plaintextTopHLine(odocstream & os, row_type row,
2940                                    vector<unsigned int> const & clen) const
2941 {
2942         idx_type const fcell = getFirstCellInRow(row);
2943         idx_type const n = numberOfCellsInRow(row) + fcell;
2944         idx_type tmp = 0;
2945
2946         for (idx_type i = fcell; i < n; ++i) {
2947                 if (topLine(i)) {
2948                         ++tmp;
2949                         break;
2950                 }
2951         }
2952         if (!tmp)
2953                 return false;
2954
2955         char_type ch;
2956         for (idx_type i = fcell; i < n; ++i) {
2957                 if (topLine(i)) {
2958                         if (leftLine(i))
2959                                 os << "+-";
2960                         else
2961                                 os << "--";
2962                         ch = '-';
2963                 } else {
2964                         os << "  ";
2965                         ch = ' ';
2966                 }
2967                 col_type column = cellColumn(i);
2968                 int len = clen[column];
2969                 while (column < ncols() - 1
2970                        && isPartOfMultiColumn(row, ++column))
2971                         len += clen[column] + 4;
2972                 os << docstring(len, ch);
2973                 if (topLine(i)) {
2974                         if (rightLine(i))
2975                                 os << "-+";
2976                         else
2977                                 os << "--";
2978                 } else {
2979                         os << "  ";
2980                 }
2981         }
2982         os << endl;
2983         return true;
2984 }
2985
2986
2987 bool Tabular::plaintextBottomHLine(odocstream & os, row_type row,
2988                                       vector<unsigned int> const & clen) const
2989 {
2990         idx_type const fcell = getFirstCellInRow(row);
2991         idx_type const n = numberOfCellsInRow(row) + fcell;
2992         idx_type tmp = 0;
2993
2994         for (idx_type i = fcell; i < n; ++i) {
2995                 if (bottomLine(i)) {
2996                         ++tmp;
2997                         break;
2998                 }
2999         }
3000         if (!tmp)
3001                 return false;
3002
3003         char_type ch;
3004         for (idx_type i = fcell; i < n; ++i) {
3005                 if (bottomLine(i)) {
3006                         if (leftLine(i))
3007                                 os << "+-";
3008                         else
3009                                 os << "--";
3010                         ch = '-';
3011                 } else {
3012                         os << "  ";
3013                         ch = ' ';
3014                 }
3015                 col_type column = cellColumn(i);
3016                 int len = clen[column];
3017                 while (column < ncols() - 1 && isPartOfMultiColumn(row, ++column))
3018                         len += clen[column] + 4;
3019                 os << docstring(len, ch);
3020                 if (bottomLine(i)) {
3021                         if (rightLine(i))
3022                                 os << "-+";
3023                         else
3024                                 os << "--";
3025                 } else {
3026                         os << "  ";
3027                 }
3028         }
3029         os << endl;
3030         return true;
3031 }
3032
3033
3034 void Tabular::plaintextPrintCell(odocstream & os,
3035                                OutputParams const & runparams,
3036                                idx_type cell, row_type row, col_type column,
3037                                vector<unsigned int> const & clen,
3038                                bool onlydata) const
3039 {
3040         odocstringstream sstr;
3041         cellInset(cell)->plaintext(sstr, runparams);
3042
3043         if (onlydata) {
3044                 os << sstr.str();
3045                 return;
3046         }
3047
3048         if (leftLine(cell))
3049                 os << "| ";
3050         else
3051                 os << "  ";
3052
3053         unsigned int len1 = sstr.str().length();
3054         unsigned int len2 = clen[column];
3055         while (column < ncols() - 1 && isPartOfMultiColumn(row, ++column))
3056                 len2 += clen[column] + 4;
3057         len2 -= len1;
3058
3059         switch (getAlignment(cell)) {
3060         default:
3061         case LYX_ALIGN_LEFT:
3062                 len1 = 0;
3063                 break;
3064         case LYX_ALIGN_RIGHT:
3065                 len1 = len2;
3066                 len2 = 0;
3067                 break;
3068         case LYX_ALIGN_CENTER:
3069                 len1 = len2 / 2;
3070                 len2 -= len1;
3071                 break;
3072         }
3073
3074         os << docstring(len1, ' ') << sstr.str()
3075            << docstring(len2, ' ');
3076
3077         if (rightLine(cell))
3078                 os << " |";
3079         else
3080                 os << "  ";
3081 }
3082
3083
3084 void Tabular::plaintext(odocstream & os,
3085                            OutputParams const & runparams, int const depth,
3086                            bool onlydata, char_type delim) const
3087 {
3088         // first calculate the width of the single columns
3089         vector<unsigned int> clen(ncols());
3090
3091         if (!onlydata) {
3092                 // first all non multicolumn cells!
3093                 for (col_type c = 0; c < ncols(); ++c) {
3094                         clen[c] = 0;
3095                         for (row_type r = 0; r < nrows(); ++r) {
3096                                 idx_type cell = cellIndex(r, c);
3097                                 if (isMultiColumn(cell))
3098                                         continue;
3099                                 odocstringstream sstr;
3100                                 cellInset(cell)->plaintext(sstr, runparams);
3101                                 if (clen[c] < sstr.str().length())
3102                                         clen[c] = sstr.str().length();
3103                         }
3104                 }
3105                 // then all multicolumn cells!
3106                 for (col_type c = 0; c < ncols(); ++c) {
3107                         for (row_type r = 0; r < nrows(); ++r) {
3108                                 idx_type cell = cellIndex(r, c);
3109                                 if (cell_info[r][c].multicolumn != CELL_BEGIN_OF_MULTICOLUMN)
3110                                         continue;
3111                                 odocstringstream sstr;
3112                                 cellInset(cell)->plaintext(sstr, runparams);
3113                                 int len = int(sstr.str().length());
3114                                 idx_type const n = columnSpan(cell);
3115                                 for (col_type k = c; len > 0 && k < c + n - 1; ++k)
3116                                         len -= clen[k];
3117                                 if (len > int(clen[c + n - 1]))
3118                                         clen[c + n - 1] = len;
3119                         }
3120                 }
3121         }
3122         idx_type cell = 0;
3123         for (row_type r = 0; r < nrows(); ++r) {
3124                 if (!onlydata && plaintextTopHLine(os, r, clen))
3125                         os << docstring(depth * 2, ' ');
3126                 for (col_type c = 0; c < ncols(); ++c) {
3127                         if (isPartOfMultiColumn(r, c))
3128                                 continue;
3129                         if (onlydata && c > 0)
3130                                 // we don't use operator<< for single UCS4 character.
3131                                 // see explanation in docstream.h
3132                                 os.put(delim);
3133                         plaintextPrintCell(os, runparams, cell, r, c, clen, onlydata);
3134                         ++cell;
3135                 }
3136                 os << endl;
3137                 if (!onlydata) {
3138                         os << docstring(depth * 2, ' ');
3139                         if (plaintextBottomHLine(os, r, clen))
3140                                 os << docstring(depth * 2, ' ');
3141                 }
3142         }
3143 }
3144
3145
3146 shared_ptr<InsetTableCell> Tabular::cellInset(idx_type cell) const
3147 {
3148         return cell_info[cellRow(cell)][cellColumn(cell)].inset;
3149 }
3150
3151
3152 shared_ptr<InsetTableCell> Tabular::cellInset(row_type row,
3153                                                col_type column) const
3154 {
3155         return cell_info[row][column].inset;
3156 }
3157
3158
3159 void Tabular::setCellInset(row_type row, col_type column,
3160                               shared_ptr<InsetTableCell> ins) const
3161 {
3162         CellData & cd = cell_info[row][column];
3163         cd.inset = ins;
3164 }
3165
3166
3167 void Tabular::validate(LaTeXFeatures & features) const
3168 {
3169         features.require("NeedTabularnewline");
3170         if (use_booktabs)
3171                 features.require("booktabs");
3172         if (is_long_tabular)
3173                 features.require("longtable");
3174         if (needRotating())
3175                 features.require("rotating");
3176         for (idx_type cell = 0; cell < numberofcells; ++cell) {
3177                 if (isMultiRow(cell))
3178                         features.require("multirow");
3179                 if (getVAlignment(cell) != LYX_VALIGN_TOP
3180                     || !getPWidth(cell).zero())
3181                         features.require("array");
3182                 cellInset(cell)->validate(features);
3183         }
3184 }
3185
3186
3187 Tabular::BoxType Tabular::useParbox(idx_type cell) const
3188 {
3189         ParagraphList const & parlist = cellInset(cell)->paragraphs();
3190         ParagraphList::const_iterator cit = parlist.begin();
3191         ParagraphList::const_iterator end = parlist.end();
3192
3193         for (; cit != end; ++cit)
3194                 for (int i = 0; i < cit->size(); ++i)
3195                         if (cit->isNewline(i))
3196                                 return BOX_PARBOX;
3197
3198         return BOX_NONE;
3199 }
3200
3201
3202 /////////////////////////////////////////////////////////////////////
3203 //
3204 // InsetTableCell
3205 //
3206 /////////////////////////////////////////////////////////////////////
3207
3208 InsetTableCell::InsetTableCell(Buffer * buf)
3209         : InsetText(buf, InsetText::PlainLayout), isFixedWidth(false),
3210           contentAlign(LYX_ALIGN_CENTER)
3211 {}
3212
3213
3214 bool InsetTableCell::forcePlainLayout(idx_type) const
3215 {
3216         return !isFixedWidth;
3217 }
3218
3219
3220 bool InsetTableCell::allowParagraphCustomization(idx_type) const
3221 {
3222         return isFixedWidth;
3223 }
3224
3225
3226 bool InsetTableCell::getStatus(Cursor & cur, FuncRequest const & cmd,
3227         FuncStatus & status) const
3228 {
3229         bool enabled;
3230         switch (cmd.action()) {
3231         case LFUN_LAYOUT:
3232                 enabled = !forcePlainLayout();
3233                 break;
3234         case LFUN_LAYOUT_PARAGRAPH:
3235                 enabled = allowParagraphCustomization();
3236                 break;
3237         default:
3238                 return InsetText::getStatus(cur, cmd, status);
3239         }
3240         status.setEnabled(enabled);
3241         return true;
3242 }
3243
3244 docstring InsetTableCell::asString(bool intoInsets)
3245 {
3246         docstring retval;
3247         if (paragraphs().empty())
3248                 return retval;
3249         ParagraphList::const_iterator it = paragraphs().begin();
3250         ParagraphList::const_iterator en = paragraphs().end();
3251         bool first = true;
3252         for (; it != en; ++it) {
3253                 if (!first)
3254                         retval += "\n";
3255                 else
3256                         first = false;
3257                 retval += it->asString(intoInsets ? AS_STR_INSETS : AS_STR_NONE);
3258         }
3259         return retval;
3260 }
3261
3262
3263 docstring InsetTableCell::xhtml(XHTMLStream & xs, OutputParams const & rp) const
3264 {
3265         if (!isFixedWidth)
3266                 return InsetText::insetAsXHTML(xs, rp, InsetText::JustText);
3267         return InsetText::xhtml(xs, rp);
3268 }
3269
3270
3271
3272 /////////////////////////////////////////////////////////////////////
3273 //
3274 // InsetTabular
3275 //
3276 /////////////////////////////////////////////////////////////////////
3277
3278 InsetTabular::InsetTabular(Buffer * buf, row_type rows,
3279                            col_type columns)
3280         : Inset(buf), tabular(buf, max(rows, row_type(1)), max(columns, col_type(1))), scx_(0),
3281         rowselect_(false), colselect_(false)
3282 {
3283 }
3284
3285
3286 InsetTabular::InsetTabular(InsetTabular const & tab)
3287         : Inset(tab), tabular(tab.tabular),  scx_(0)
3288 {
3289 }
3290
3291
3292 InsetTabular::~InsetTabular()
3293 {
3294         hideDialogs("tabular", this);
3295 }
3296
3297
3298 void InsetTabular::setBuffer(Buffer & buf)
3299 {
3300         tabular.setBuffer(buf);
3301         Inset::setBuffer(buf);
3302 }
3303
3304
3305 bool InsetTabular::insetAllowed(InsetCode code) const
3306 {
3307         switch (code) {
3308         case FLOAT_CODE:
3309         case MARGIN_CODE:
3310         case MATHMACRO_CODE:
3311         case WRAP_CODE:
3312                 return false;
3313
3314         case CAPTION_CODE:
3315                 return tabular.is_long_tabular;
3316
3317         default:
3318                 return true;
3319         }
3320 }
3321
3322
3323 void InsetTabular::write(ostream & os) const
3324 {
3325         os << "Tabular" << endl;
3326         tabular.write(os);
3327 }
3328
3329
3330 docstring InsetTabular::contextMenu(BufferView const &, int, int) const
3331 {
3332         // FIXME: depending on the selection state, we could offer a different menu.
3333         return from_ascii("context-tabular");
3334 }
3335
3336
3337 void InsetTabular::read(Lexer & lex)
3338 {
3339         //bool const old_format = (lex.getString() == "\\LyXTable");
3340
3341         tabular.read(lex);
3342
3343         //if (old_format)
3344         //      return;
3345
3346         lex.next();
3347         string token = lex.getString();
3348         while (lex && token != "\\end_inset") {
3349                 lex.next();
3350                 token = lex.getString();
3351         }
3352         if (!lex)
3353                 lex.printError("Missing \\end_inset at this point. ");
3354 }
3355
3356
3357 int InsetTabular::rowFromY(Cursor & cur, int y) const
3358 {
3359         // top y coordinate of tabular
3360         int h = yo(cur.bv()) - tabular.rowAscent(0);
3361         row_type r = 0;
3362         for (; r < tabular.nrows() && y > h; ++r)
3363                 h += tabular.rowAscent(r) + tabular.rowDescent(r)
3364                 + tabular.interRowSpace(r);
3365
3366         return r - 1;
3367 }
3368
3369
3370 int InsetTabular::columnFromX(Cursor & cur, int x) const
3371 {
3372         // left x coordinate of tabular
3373         int w = xo(cur.bv()) + ADD_TO_TABULAR_WIDTH;
3374         col_type c = 0;
3375         for (; c < tabular.ncols() && x > w; ++c)
3376                 w += tabular.cellWidth(c);
3377         return c - 1;
3378 }
3379
3380
3381 void InsetTabular::metrics(MetricsInfo & mi, Dimension & dim) const
3382 {
3383         //lyxerr << "InsetTabular::metrics: " << mi.base.bv << " width: " <<
3384         //      mi.base.textwidth << "\n";
3385         if (!mi.base.bv) {
3386                 LYXERR0("need bv");
3387                 LASSERT(false, /**/);
3388         }
3389
3390         for (row_type r = 0; r < tabular.nrows(); ++r) {
3391                 int maxasc = 0;
3392                 int maxdes = 0;
3393                 for (col_type c = 0; c < tabular.ncols(); ++c) {
3394                         if (tabular.isPartOfMultiColumn(r, c)
3395                                 || tabular.isPartOfMultiRow(r, c))
3396                                 // multicolumn or multirow cell, but not first one
3397                                 continue;
3398                         idx_type const cell = tabular.cellIndex(r, c);
3399                         Dimension dim;
3400                         MetricsInfo m = mi;
3401                         Length const p_width = tabular.getPWidth(cell);
3402                         if (!p_width.zero())
3403                                 m.base.textwidth = p_width.inPixels(mi.base.textwidth);
3404                         tabular.cellInset(cell)->metrics(m, dim);
3405                         if (!p_width.zero())
3406                                 dim.wid = m.base.textwidth;
3407                         tabular.cellInfo(cell).width = dim.wid + 2 * WIDTH_OF_LINE
3408                                 + tabular.interColumnSpace(cell);
3409
3410                         // FIXME(?): do we need a second metrics call?
3411                         TextMetrics const & tm =
3412                                 mi.base.bv->textMetrics(tabular.cellInset(cell)->getText(0));
3413
3414                         // determine horiz offset because of decimal align (if necessary)
3415                         int decimal_hoffset = 0;
3416                         int decimal_width = 0;
3417                         if (tabular.getAlignment(cell) == LYX_ALIGN_DECIMAL) {
3418                                 // make a copy which we will split in 2
3419                                 InsetTableCell head = InsetTableCell(*tabular.cellInset(cell).get());
3420                                 head.getText(0)->setMacrocontextPosition(
3421                                         tabular.cellInset(cell)->getText(0)->macrocontextPosition());
3422                                 head.setBuffer(tabular.buffer());
3423                                 // split in 2 and calculate width of each part
3424                                 bool hassep = false;
3425                                 InsetTableCell tail =
3426                                         splitCell(head, tabular.column_info[c].decimal_point, hassep);
3427                                 Dimension dim1;
3428                                 head.metrics(m, dim1);
3429                                 decimal_hoffset = dim1.width();
3430                                 if (hassep) {
3431                                         tail.metrics(m, dim1);
3432                                         decimal_width = dim1.width();
3433                                 }
3434                         }
3435                         tabular.cell_info[r][c].decimal_hoffset = decimal_hoffset;
3436                         tabular.cell_info[r][c].decimal_width = decimal_width;
3437
3438                         // with LYX_VALIGN_BOTTOM the descent is relative to the last par
3439                         // = descent of text in last par + TEXT_TO_INSET_OFFSET:
3440                         int const lastpardes = tm.last().second->descent()
3441                                 + TEXT_TO_INSET_OFFSET;
3442                         int offset = 0;
3443                         switch (tabular.getVAlignment(cell)) {
3444                                 case Tabular::LYX_VALIGN_TOP:
3445                                         break;
3446                                 case Tabular::LYX_VALIGN_MIDDLE:
3447                                         offset = -(dim.des - lastpardes)/2;
3448                                         break;
3449                                 case Tabular::LYX_VALIGN_BOTTOM:
3450                                         offset = -(dim.des - lastpardes);
3451                                         break;
3452                         }
3453                         tabular.cell_info[r][c].voffset = offset;
3454                         maxasc = max(maxasc, dim.asc - offset);
3455                         maxdes = max(maxdes, dim.des + offset);
3456                 }
3457                 int const top_space = tabular.row_info[r].top_space_default ?
3458                         default_line_space :
3459                         tabular.row_info[r].top_space.inPixels(mi.base.textwidth);
3460                 tabular.setRowAscent(r, maxasc + ADD_TO_HEIGHT + top_space);
3461                 int const bottom_space = tabular.row_info[r].bottom_space_default ?
3462                         default_line_space :
3463                         tabular.row_info[r].bottom_space.inPixels(mi.base.textwidth);
3464                 tabular.setRowDescent(r, maxdes + ADD_TO_HEIGHT + bottom_space);
3465         }
3466         tabular.updateColumnWidths();
3467         dim.asc = tabular.rowAscent(0);
3468         dim.des = tabular.height() - dim.asc;
3469         dim.wid = tabular.width() + 2 * ADD_TO_TABULAR_WIDTH;
3470 }
3471
3472
3473 bool InsetTabular::isCellSelected(Cursor & cur, row_type row, col_type col)
3474         const
3475 {
3476         if (&cur.inset() == this && cur.selection()) {
3477                 if (cur.selIsMultiCell()) {
3478                         row_type rs, re;
3479                         col_type cs, ce;
3480                         getSelection(cur, rs, re, cs, ce);
3481
3482                         idx_type const cell = tabular.cellIndex(row, col);
3483                         col_type const cspan = tabular.columnSpan(cell);
3484                         row_type const rspan = tabular.rowSpan(cell);
3485                         if (col + cspan - 1 >= cs && col <= ce
3486                                 && row + rspan - 1 >= rs && row <= re)
3487                                 return true;
3488                 } else
3489                         if (col == tabular.cellColumn(cur.idx())
3490                                 && row == tabular.cellRow(cur.idx())) {
3491                         CursorSlice const & beg = cur.selBegin();
3492                         CursorSlice const & end = cur.selEnd();
3493
3494                         if ((end.lastpos() > 0 || end.lastpit() > 0)
3495                                   && end.pos() == end.lastpos() && beg.pos() == 0
3496                                   && end.pit() == end.lastpit() && beg.pit() == 0)
3497                                 return true;
3498                 }
3499         }
3500         return false;
3501 }
3502
3503
3504 void InsetTabular::draw(PainterInfo & pi, int x, int y) const
3505 {
3506         x += scx_ + ADD_TO_TABULAR_WIDTH;
3507
3508         BufferView * bv = pi.base.bv;
3509         Cursor & cur = pi.base.bv->cursor();
3510         resetPos(cur);
3511
3512         // FIXME: As the full background is painted in drawSelection(),
3513         // we have no choice but to do a full repaint for the Text cells.
3514         pi.full_repaint = true;
3515
3516         bool const original_selection_state = pi.selected;
3517
3518         idx_type idx = 0;
3519         first_visible_cell = Tabular::npos;
3520         for (row_type r = 0; r < tabular.nrows(); ++r) {
3521                 int nx = x;
3522                 for (col_type c = 0; c < tabular.ncols(); ++c) {
3523                         if (tabular.isPartOfMultiColumn(r, c))
3524                                 continue;
3525
3526                         idx = tabular.cellIndex(r, c);
3527
3528                         if (tabular.isPartOfMultiRow(r, c)) {
3529                                 nx += tabular.cellWidth(idx);
3530                                 continue;
3531                         }
3532
3533                         if (first_visible_cell == Tabular::npos)
3534                                 first_visible_cell = idx;
3535
3536                         pi.selected |= isCellSelected(cur, r, c);
3537                         int const cx = nx + tabular.textHOffset(idx);
3538                         int const cy = y  + tabular.textVOffset(idx);
3539                         // Cache the Inset position.
3540                         bv->coordCache().insets().add(cell(idx).get(), cx, cy);
3541                         cell(idx)->draw(pi, cx, cy);
3542                         drawCellLines(pi, nx, y, r, idx);
3543                         nx += tabular.cellWidth(idx);
3544                         pi.selected = original_selection_state;
3545                 }
3546
3547                 if (r + 1 < tabular.nrows())
3548                         y += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
3549                                 + tabular.interRowSpace(r + 1);
3550         }
3551 }
3552
3553
3554 void InsetTabular::drawSelection(PainterInfo & pi, int x, int y) const
3555 {
3556         Cursor & cur = pi.base.bv->cursor();
3557         resetPos(cur);
3558
3559         x += scx_ + ADD_TO_TABULAR_WIDTH;
3560
3561         // FIXME: it is wrong to completely paint the background
3562         // if we want to do single row painting.
3563
3564         // Paint background of current tabular
3565         int const w = tabular.width();
3566         int const h = tabular.height();
3567         int yy = y - tabular.rowAscent(0);
3568         pi.pain.fillRectangle(x, yy, w, h, pi.backgroundColor(this));
3569
3570         if (!cur.selection())
3571                 return;
3572         if (&cur.inset() != this)
3573                 return;
3574
3575         //resetPos(cur);
3576
3577         bool const full_cell_selected = isCellSelected(cur,
3578                 tabular.cellRow(cur.idx()), tabular.cellColumn(cur.idx()));
3579
3580         if (cur.selIsMultiCell() || full_cell_selected) {
3581                 for (row_type r = 0; r < tabular.nrows(); ++r) {
3582                         int xx = x;
3583                         for (col_type c = 0; c < tabular.ncols(); ++c) {
3584                                 if (tabular.isPartOfMultiColumn(r, c))
3585                                         continue;
3586
3587                                 idx_type const cell = tabular.cellIndex(r, c);
3588
3589                                 if (tabular.isPartOfMultiRow(r, c)) {
3590                                         xx += tabular.cellWidth(cell);
3591                                         continue;
3592                                 }
3593                                 int const w = tabular.cellWidth(cell);
3594                                 int const h = tabular.cellHeight(cell);
3595                                 int const yy = y - tabular.rowAscent(r);
3596                                 if (isCellSelected(cur, r, c))
3597                                         pi.pain.fillRectangle(xx, yy, w, h, Color_selection);
3598                                 xx += w;
3599                         }
3600                         if (r + 1 < tabular.nrows())
3601                                 y += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
3602                                      + tabular.interRowSpace(r + 1);
3603                 }
3604
3605         } else {
3606                 x += cellXPos(cur.idx());
3607                 x += tabular.textHOffset(cur.idx());
3608                 cell(cur.idx())->drawSelection(pi, x, 0 /* ignored */);
3609         }
3610 }
3611
3612
3613 void InsetTabular::drawCellLines(PainterInfo & pi, int x, int y,
3614                                  row_type row, idx_type cell) const
3615 {
3616         y -= tabular.rowAscent(row);
3617         int const w = tabular.cellWidth(cell);
3618         int const h = tabular.cellHeight(cell);
3619         Color const linecolor = pi.textColor(Color_tabularline);
3620         Color const gridcolor = pi.textColor(Color_tabularonoffline);
3621
3622         // Top
3623         bool drawline = tabular.topLine(cell)
3624                 || (row > 0 && tabular.bottomLine(tabular.cellAbove(cell)));
3625         pi.pain.line(x, y, x + w, y,
3626                 drawline ? linecolor : gridcolor,
3627                 drawline ? Painter::line_solid : Painter::line_onoffdash);
3628
3629         // Bottom
3630         drawline = tabular.bottomLine(cell);
3631         pi.pain.line(x, y + h, x + w, y + h,
3632                 drawline ? linecolor : gridcolor,
3633                 drawline ? Painter::line_solid : Painter::line_onoffdash);
3634
3635         // Left
3636         col_type const col = tabular.cellColumn(cell);
3637         drawline = tabular.leftLine(cell)
3638                 || (col > 0 && tabular.rightLine(tabular.cellIndex(row, col - 1)));
3639         pi.pain.line(x, y, x, y + h,
3640                 drawline ? linecolor : gridcolor,
3641                 drawline ? Painter::line_solid : Painter::line_onoffdash);
3642
3643         // Right
3644         x -= tabular.interColumnSpace(cell);
3645         drawline = tabular.rightLine(cell)
3646                    || (col + 1 < tabular.ncols()
3647                        && tabular.leftLine(tabular.cellIndex(row, col + 1)));
3648         pi.pain.line(x + w, y, x + w, y + h,
3649                 drawline ? linecolor : gridcolor,
3650                 drawline ? Painter::line_solid : Painter::line_onoffdash);
3651 }
3652
3653
3654 void InsetTabular::edit(Cursor & cur, bool front, EntryDirection)
3655 {
3656         //lyxerr << "InsetTabular::edit: " << this << endl;
3657         cur.finishUndo();
3658         cur.setSelection(false);
3659         cur.push(*this);
3660         if (front) {
3661                 if (isRightToLeft(cur))
3662                         cur.idx() = tabular.getLastCellInRow(0);
3663                 else
3664                         cur.idx() = 0;
3665                 cur.pit() = 0;
3666                 cur.pos() = 0;
3667         } else {
3668                 if (isRightToLeft(cur))
3669                         cur.idx() = tabular.getFirstCellInRow(tabular.nrows() - 1);
3670                 else
3671                         cur.idx() = tabular.numberofcells - 1;
3672                 cur.pit() = 0;
3673                 cur.pos() = cur.lastpos(); // FIXME crude guess
3674         }
3675         cur.setCurrentFont();
3676         // FIXME: this accesses the position cache before it is initialized
3677         //resetPos(cur);
3678         //cur.bv().fitCursor();
3679 }
3680
3681
3682 void InsetTabular::updateBuffer(ParIterator const & it, UpdateType utype)
3683 {
3684         // In a longtable, tell captions what the current float is
3685         Counters & cnts = buffer().masterBuffer()->params().documentClass().counters();
3686         string const saveflt = cnts.current_float();
3687         if (tabular.is_long_tabular)
3688                 cnts.current_float("table");
3689
3690         ParIterator it2 = it;
3691         it2.forwardPos();
3692         size_t const end = it2.nargs();
3693         for ( ; it2.idx() < end; it2.top().forwardIdx())
3694                 buffer().updateBuffer(it2, utype);
3695
3696         //reset afterwards
3697         if (tabular.is_long_tabular)
3698                 cnts.current_float(saveflt);
3699 }
3700
3701
3702 void InsetTabular::addToToc(DocIterator const & cpit)
3703 {
3704         DocIterator dit = cpit;
3705         dit.forwardPos();
3706         size_t const end = dit.nargs();
3707         for ( ; dit.idx() < end; dit.top().forwardIdx())
3708                 cell(dit.idx())->addToToc(dit);
3709 }
3710
3711
3712 void InsetTabular::doDispatch(Cursor & cur, FuncRequest & cmd)
3713 {
3714         LYXERR(Debug::DEBUG, "# InsetTabular::doDispatch: cmd: " << cmd
3715                              << "\n  cur:" << cur);
3716         CursorSlice sl = cur.top();
3717         Cursor & bvcur = cur.bv().cursor();
3718
3719         FuncCode const act = cmd.action();
3720
3721         switch (act) {
3722
3723         case LFUN_MOUSE_PRESS: {
3724                 //lyxerr << "# InsetTabular::MousePress\n" << cur.bv().cursor() << endl;
3725                 // select row
3726                 if (cmd.x() < xo(cur.bv()) + ADD_TO_TABULAR_WIDTH
3727                         || cmd.x() > xo(cur.bv()) + tabular.width()) {
3728                         row_type r = rowFromY(cur, cmd.y());
3729                         cur.idx() = tabular.getFirstCellInRow(r);
3730                         cur.pos() = 0;
3731                         cur.resetAnchor();
3732                         cur.idx() = tabular.getLastCellInRow(r);
3733                         cur.pos() = cur.lastpos();
3734                         cur.setSelection(true);
3735                         bvcur = cur;
3736                         rowselect_ = true;
3737                         break;
3738                 }
3739                 // select column
3740                 int const y0 = yo(cur.bv()) - tabular.rowAscent(0);
3741                 if (cmd.y() < y0 + ADD_TO_TABULAR_WIDTH
3742                         || cmd.y() > y0 + tabular.height()) {
3743                         col_type c = columnFromX(cur, cmd.x());
3744                         cur.idx() = tabular.cellIndex(0, c);
3745                         cur.pos() = 0;
3746                         cur.resetAnchor();
3747                         cur.idx() = tabular.cellIndex(tabular.nrows() - 1, c);
3748                         cur.pos() = cur.lastpos();
3749                         cur.setSelection(true);
3750                         bvcur = cur;
3751                         colselect_ = true;
3752                         break;
3753                 }
3754                 // do not reset cursor/selection if we have selected
3755                 // some cells (bug 2715).
3756                 if (cmd.button() == mouse_button::button3
3757                     && &bvcur.selBegin().inset() == this
3758                     && bvcur.selIsMultiCell())
3759                         ;
3760                 else
3761                         // Let InsetTableCell do it
3762                         cell(cur.idx())->dispatch(cur, cmd);
3763                 break;
3764         }
3765         case LFUN_MOUSE_MOTION:
3766                 //lyxerr << "# InsetTabular::MouseMotion\n" << bvcur << endl;
3767                 if (cmd.button() == mouse_button::button1) {
3768                         // only accept motions to places not deeper nested than the real anchor
3769                         if (!bvcur.realAnchor().hasPart(cur)) {
3770                                 cur.undispatched();
3771                                 break;
3772                         }
3773                         // select (additional) row
3774                         if (rowselect_) {
3775                                 row_type r = rowFromY(cur, cmd.y());
3776                                 cur.idx() = tabular.getLastCellInRow(r);
3777                                 // we need to reset the cursor's pit and pos now, as the old ones
3778                                 // may no longer be valid.
3779                                 cur.pit() = 0;
3780                                 cur.pos() = 0;
3781                                 bvcur.setCursor(cur);
3782                                 bvcur.setSelection(true);
3783                                 break;
3784                         }
3785                         // select (additional) column
3786                         if (colselect_) {
3787                                 col_type c = columnFromX(cur, cmd.x());
3788                                 cur.idx() = tabular.cellIndex(tabular.nrows() - 1, c);
3789                                 // we need to reset the cursor's pit and pos now, as the old ones
3790                                 // may no longer be valid.
3791                                 cur.pit() = 0;
3792                                 cur.pos() = 0;
3793                                 bvcur.setCursor(cur);
3794                                 bvcur.setSelection(true);
3795                                 break;
3796                         }
3797                         // only update if selection changes
3798                         if (bvcur.idx() == cur.idx() &&
3799                                 !(bvcur.realAnchor().idx() == cur.idx() && bvcur.pos() != cur.pos()))
3800                                 cur.noScreenUpdate();
3801                         setCursorFromCoordinates(cur, cmd.x(), cmd.y());
3802                         bvcur.setCursor(cur);
3803                         bvcur.setSelection(true);
3804                         // if this is a multicell selection, we just set the cursor to
3805                         // the beginning of the cell's text.
3806                         if (bvcur.selIsMultiCell()) {
3807                                 bvcur.pit() = bvcur.lastpit();
3808                                 bvcur.pos() = bvcur.lastpos();
3809                         }
3810                 }
3811                 break;
3812
3813         case LFUN_MOUSE_RELEASE:
3814                 rowselect_ = false;
3815                 colselect_ = false;
3816                 break;
3817
3818         case LFUN_CELL_BACKWARD:
3819                 movePrevCell(cur);
3820                 cur.setSelection(false);
3821                 break;
3822
3823         case LFUN_CELL_FORWARD:
3824                 moveNextCell(cur);
3825                 cur.setSelection(false);
3826                 break;
3827
3828         case LFUN_CHAR_FORWARD_SELECT:
3829         case LFUN_CHAR_FORWARD:
3830         case LFUN_CHAR_BACKWARD_SELECT:
3831         case LFUN_CHAR_BACKWARD:
3832         case LFUN_CHAR_RIGHT_SELECT:
3833         case LFUN_CHAR_RIGHT:
3834         case LFUN_CHAR_LEFT_SELECT:
3835         case LFUN_CHAR_LEFT:
3836         case LFUN_WORD_FORWARD:
3837         case LFUN_WORD_FORWARD_SELECT:
3838         case LFUN_WORD_BACKWARD:
3839         case LFUN_WORD_BACKWARD_SELECT:
3840         case LFUN_WORD_RIGHT:
3841         case LFUN_WORD_RIGHT_SELECT:
3842         case LFUN_WORD_LEFT:
3843         case LFUN_WORD_LEFT_SELECT: {
3844                 // determine whether we move to next or previous cell, where to enter
3845                 // the new cell from, and which command to "finish" (i.e., exit the
3846                 // inset) with:
3847                 bool next_cell;
3848                 EntryDirection entry_from = ENTRY_DIRECTION_IGNORE;
3849                 FuncCode finish_lfun;
3850
3851                 if (act == LFUN_CHAR_FORWARD
3852                                 || act == LFUN_CHAR_FORWARD_SELECT
3853                                 || act == LFUN_WORD_FORWARD
3854                                 || act == LFUN_WORD_FORWARD_SELECT) {
3855                         next_cell = true;
3856                         finish_lfun = LFUN_FINISHED_FORWARD;
3857                 }
3858                 else if (act == LFUN_CHAR_BACKWARD
3859                                 || act == LFUN_CHAR_BACKWARD_SELECT
3860                                 || act == LFUN_WORD_BACKWARD
3861                                 || act == LFUN_WORD_BACKWARD_SELECT) {
3862                         next_cell = false;
3863                         finish_lfun = LFUN_FINISHED_BACKWARD;
3864                 }
3865                 // LEFT or RIGHT commands --- the interpretation will depend on the
3866                 // table's direction.
3867                 else {
3868                         bool const right = act == LFUN_CHAR_RIGHT
3869                                 || act == LFUN_CHAR_RIGHT_SELECT
3870                                 || act == LFUN_WORD_RIGHT
3871                                 || act == LFUN_WORD_RIGHT_SELECT;
3872                         next_cell = isRightToLeft(cur) != right;
3873
3874                         if (lyxrc.visual_cursor)
3875                                 entry_from = right ? ENTRY_DIRECTION_LEFT:ENTRY_DIRECTION_RIGHT;
3876
3877                         finish_lfun = right ? LFUN_FINISHED_RIGHT : LFUN_FINISHED_LEFT;
3878                 }
3879
3880                 bool const select =     act == LFUN_CHAR_FORWARD_SELECT
3881                     || act == LFUN_CHAR_BACKWARD_SELECT
3882                     || act == LFUN_CHAR_RIGHT_SELECT
3883                     || act == LFUN_CHAR_LEFT_SELECT
3884                         || act == LFUN_WORD_FORWARD_SELECT
3885                         || act == LFUN_WORD_RIGHT_SELECT
3886                         || act == LFUN_WORD_BACKWARD_SELECT
3887                         || act == LFUN_WORD_LEFT_SELECT;
3888
3889                 // If we have a multicell selection or we're
3890                 // not doing some LFUN_*_SELECT thing anyway...
3891                 if (!cur.selIsMultiCell() || !select) {
3892                         col_type const c = tabular.cellColumn(cur.idx());
3893                         row_type const r = tabular.cellRow(cur.idx());
3894                         // Are we trying to select the whole cell and is the whole cell
3895                         // not yet selected?
3896                         bool const select_whole = select && !isCellSelected(cur, r, c) &&
3897                                 ((next_cell && cur.pit() == cur.lastpit()
3898                                 && cur.pos() == cur.lastpos())
3899                                 || (!next_cell && cur.pit() == 0 && cur.pos() == 0));
3900
3901                         bool const empty_cell = cur.lastpos() == 0 && cur.lastpit() == 0;
3902
3903                         // ...try to dispatch to the cell's inset.
3904                         cell(cur.idx())->dispatch(cur, cmd);
3905
3906                         // When we already have a selection we want to select the whole cell
3907                         // before going to the next cell.
3908                         if (select_whole && !empty_cell){
3909                                 getText(cur.idx())->selectAll(cur);
3910                                 cur.dispatched();
3911                                 break;
3912                         }
3913
3914                         // FIXME: When we support the selection of an empty cell, remove
3915                         // the !empty_cell from this condition. For now we jump to the next
3916                         // cell if the current cell is empty.
3917                         if (cur.result().dispatched() && !empty_cell)
3918                                 break;
3919                 }
3920
3921                 // move to next/prev cell, as appropriate
3922                 // note that we will always do this if we're selecting and we have
3923                 // a multicell selection
3924                 LYXERR(Debug::RTL, "entering " << (next_cell ? "next" : "previous")
3925                         << " cell from: " << int(entry_from));
3926                 if (next_cell)
3927                         moveNextCell(cur, entry_from);
3928                 else
3929                         movePrevCell(cur, entry_from);
3930                 // if we're exiting the table, call the appropriate FINISHED lfun
3931                 if (sl == cur.top())
3932                         cmd = FuncRequest(finish_lfun);
3933                 else
3934                         cur.dispatched();
3935                 break;
3936
3937         }
3938
3939         case LFUN_DOWN_SELECT:
3940         case LFUN_DOWN:
3941                 if (!(cur.selection() && cur.selIsMultiCell()))
3942                         cell(cur.idx())->dispatch(cur, cmd);
3943
3944                 cur.dispatched(); // override the cell's decision
3945                 if (sl == cur.top()) {
3946                         // if our Text didn't do anything to the cursor
3947                         // then we try to put the cursor into the cell below
3948                         // setting also the right targetX.
3949                         cur.selHandle(act == LFUN_DOWN_SELECT);
3950                         if (tabular.cellRow(cur.idx()) != tabular.nrows() - 1) {
3951                                 cur.idx() = tabular.cellBelow(cur.idx());
3952                                 cur.pit() = 0;
3953                                 TextMetrics const & tm =
3954                                         cur.bv().textMetrics(cell(cur.idx())->getText(0));
3955                                 cur.pos() = tm.x2pos(cur.pit(), 0, cur.targetX());
3956                                 cur.setCurrentFont();
3957                         }
3958                 }
3959                 if (sl == cur.top()) {
3960                         // we trick it to go to forward after leaving the
3961                         // tabular.
3962                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
3963                         cur.undispatched();
3964                 }
3965                 if (cur.selIsMultiCell()) {
3966                         cur.pit() = cur.lastpit();
3967                         cur.pos() = cur.lastpos();
3968                         cur.setCurrentFont();
3969                         return;
3970                 }
3971                 break;
3972
3973         case LFUN_UP_SELECT:
3974         case LFUN_UP:
3975                 if (!(cur.selection() && cur.selIsMultiCell()))
3976                         cell(cur.idx())->dispatch(cur, cmd);
3977                 cur.dispatched(); // override the cell's decision
3978                 if (sl == cur.top()) {
3979                         // if our Text didn't do anything to the cursor
3980                         // then we try to put the cursor into the cell above
3981                         // setting also the right targetX.
3982                         cur.selHandle(act == LFUN_UP_SELECT);
3983                         if (tabular.cellRow(cur.idx()) != 0) {
3984                                 cur.idx() = tabular.cellAbove(cur.idx());
3985                                 cur.pit() = cur.lastpit();
3986                                 Text const * text = cell(cur.idx())->getText(0);
3987                                 TextMetrics const & tm = cur.bv().textMetrics(text);
3988                                 ParagraphMetrics const & pm =
3989                                         tm.parMetrics(cur.lastpit());
3990                                 cur.pos() = tm.x2pos(cur.pit(), pm.rows().size()-1, cur.targetX());
3991                                 cur.setCurrentFont();
3992                         }
3993                 }
3994                 if (sl == cur.top()) {
3995                         cmd = FuncRequest(LFUN_UP);
3996                         cur.undispatched();
3997                 }
3998                 if (cur.selIsMultiCell()) {
3999                         cur.pit() = 0;
4000                         cur.pos() = cur.lastpos();
4001                         cur.setCurrentFont();
4002                         return;
4003                 }
4004                 break;
4005
4006 //      case LFUN_SCREEN_DOWN: {
4007 //              //if (hasSelection())
4008 //              //      cur.selection() = false;
4009 //              col_type const col = tabular.cellColumn(cur.idx());
4010 //              int const t =   cur.bv().top_y() + cur.bv().height();
4011 //              if (t < yo() + tabular.getHeightOfTabular()) {
4012 //                      cur.bv().scrollDocView(t, true);
4013 //                      cur.idx() = tabular.cellBelow(first_visible_cell) + col;
4014 //              } else {
4015 //                      cur.idx() = tabular.getFirstCellInRow(tabular.rows() - 1) + col;
4016 //              }
4017 //              cur.par() = 0;
4018 //              cur.pos() = 0;
4019 //              break;
4020 //      }
4021 //
4022 //      case LFUN_SCREEN_UP: {
4023 //              //if (hasSelection())
4024 //              //      cur.selection() = false;
4025 //              col_type const col = tabular.cellColumn(cur.idx());
4026 //              int const t =   cur.bv().top_y() + cur.bv().height();
4027 //              if (yo() < 0) {
4028 //                      cur.bv().scrollDocView(t, true);
4029 //                      if (yo() > 0)
4030 //                              cur.idx() = col;
4031 //                      else
4032 //                              cur.idx() = tabular.cellBelow(first_visible_cell) + col;
4033 //              } else {
4034 //                      cur.idx() = col;
4035 //              }
4036 //              cur.par() = cur.lastpar();
4037 //              cur.pos() = cur.lastpos();
4038 //              break;
4039 //      }
4040
4041         case LFUN_LAYOUT_TABULAR:
4042                 cur.bv().showDialog("tabular");
4043                 break;
4044
4045         case LFUN_INSET_MODIFY:
4046                 if (!tabularFeatures(cur, to_utf8(cmd.argument())))
4047                         cur.undispatched();
4048                 break;
4049
4050         // insert file functions
4051         case LFUN_FILE_INSERT_PLAINTEXT_PARA:
4052         case LFUN_FILE_INSERT_PLAINTEXT:
4053                 // FIXME UNICODE
4054                 if (FileName::isAbsolute(to_utf8(cmd.argument()))) {
4055                         docstring const tmpstr = cur.bv().contentsOfPlaintextFile(
4056                                 FileName(to_utf8(cmd.argument())));
4057                         if (tmpstr.empty())
4058                                 break;
4059                         cur.recordUndoInset(INSERT_UNDO);
4060                         if (insertPlaintextString(cur.bv(), tmpstr, false)) {
4061                                 // content has been replaced,
4062                                 // so cursor might be invalid
4063                                 cur.pos() = cur.lastpos();
4064                                 cur.pit() = cur.lastpit();
4065                                 bvcur.setCursor(cur);
4066                         } else
4067                                 cur.undispatched();
4068                 }
4069                 break;
4070
4071         case LFUN_CUT:
4072                 if (cur.selIsMultiCell()) {
4073                         if (copySelection(cur)) {
4074                                 cur.recordUndoInset(DELETE_UNDO);
4075                                 cutSelection(cur);
4076                         }
4077                 } else
4078                         cell(cur.idx())->dispatch(cur, cmd);
4079                 break;
4080
4081         case LFUN_SELF_INSERT:
4082                 if (cur.selIsMultiCell()) {
4083                         cur.recordUndoInset(DELETE_UNDO);
4084                         cutSelection(cur);
4085                 }
4086                 cell(cur.idx())->dispatch(cur, cmd);
4087                 break;
4088
4089         case LFUN_CHAR_DELETE_BACKWARD:
4090         case LFUN_CHAR_DELETE_FORWARD:
4091                 if (cur.selIsMultiCell()) {
4092                         cur.recordUndoInset(DELETE_UNDO);
4093                         cutSelection(cur);
4094                 } else
4095                         cell(cur.idx())->dispatch(cur, cmd);
4096                 break;
4097
4098         case LFUN_COPY:
4099                 if (!cur.selection())
4100                         break;
4101                 if (cur.selIsMultiCell()) {
4102                         cur.finishUndo();
4103                         copySelection(cur);
4104                 } else
4105                         cell(cur.idx())->dispatch(cur, cmd);
4106                 break;
4107
4108         case LFUN_CLIPBOARD_PASTE:
4109         case LFUN_PRIMARY_SELECTION_PASTE: {
4110                 docstring const clip = (act == LFUN_CLIPBOARD_PASTE) ?
4111                         theClipboard().getAsText() :
4112                         theSelection().get();
4113                 if (clip.empty())
4114                         break;
4115                 // pass to InsertPlaintextString, but
4116                 // only if we have multi-cell content
4117                 if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
4118                         cur.recordUndoInset(INSERT_UNDO);
4119                         if (insertPlaintextString(cur.bv(), clip, false)) {
4120                                 // content has been replaced,
4121                                 // so cursor might be invalid
4122                                 cur.pos() = cur.lastpos();
4123                                 cur.pit() = cur.lastpit();
4124                                 bvcur.setCursor(cur);
4125                                 break;
4126                         }
4127                 }
4128                 // Let the cell handle normal text
4129                 cell(cur.idx())->dispatch(cur, cmd);
4130                 break;
4131         }
4132
4133         case LFUN_PASTE:
4134                 if (!tabularStackDirty()) {
4135                         if (!cur.selIsMultiCell())
4136                                 cell(cur.idx())->dispatch(cur, cmd);
4137                         break;
4138                 }
4139                 if (theClipboard().isInternal() ||
4140                     (!theClipboard().hasInternal() && theClipboard().hasLyXContents())) {
4141                         cur.recordUndoInset(INSERT_UNDO);
4142                         pasteClipboard(cur);
4143                 }
4144                 break;
4145
4146         case LFUN_FONT_EMPH:
4147         case LFUN_FONT_BOLD:
4148         case LFUN_FONT_BOLDSYMBOL:
4149         case LFUN_FONT_ROMAN:
4150         case LFUN_FONT_NOUN:
4151         case LFUN_FONT_ITAL:
4152         case LFUN_FONT_FRAK:
4153         case LFUN_FONT_TYPEWRITER:
4154         case LFUN_FONT_SANS:
4155         case LFUN_TEXTSTYLE_APPLY:
4156         case LFUN_TEXTSTYLE_UPDATE:
4157         case LFUN_FONT_SIZE:
4158         case LFUN_FONT_UNDERLINE:
4159         case LFUN_FONT_STRIKEOUT:
4160         case LFUN_FONT_UULINE:
4161         case LFUN_FONT_UWAVE:
4162         case LFUN_LANGUAGE:
4163         case LFUN_WORD_CAPITALIZE:
4164         case LFUN_WORD_UPCASE:
4165         case LFUN_WORD_LOWCASE:
4166         case LFUN_CHARS_TRANSPOSE:
4167                 if (cur.selIsMultiCell()) {
4168                         row_type rs, re;
4169                         col_type cs, ce;
4170                         getSelection(cur, rs, re, cs, ce);
4171                         Cursor tmpcur = cur;
4172                         for (row_type r = rs; r <= re; ++r) {
4173                                 for (col_type c = cs; c <= ce; ++c) {
4174                                         // cursor follows cell:
4175                                         tmpcur.idx() = tabular.cellIndex(r, c);
4176                                         // select this cell only:
4177                                         tmpcur.pit() = 0;
4178                                         tmpcur.pos() = 0;
4179                                         tmpcur.resetAnchor();
4180                                         tmpcur.pit() = tmpcur.lastpit();
4181                                         tmpcur.pos() = tmpcur.top().lastpos();
4182                                         tmpcur.setCursor(tmpcur);
4183                                         tmpcur.setSelection();
4184                                         cell(tmpcur.idx())->dispatch(tmpcur, cmd);
4185                                 }
4186                         }
4187                         break;
4188                 } else {
4189                         cell(cur.idx())->dispatch(cur, cmd);
4190                         break;
4191                 }
4192
4193         case LFUN_INSET_SETTINGS:
4194                 // relay this lfun to Inset, not to the cell.
4195                 Inset::doDispatch(cur, cmd);
4196                 break;
4197
4198         default:
4199                 // we try to handle this event in the insets dispatch function.
4200                 cell(cur.idx())->dispatch(cur, cmd);
4201                 break;
4202         }
4203 }
4204
4205
4206 // function sets an object as defined in func_status.h:
4207 // states OK, Unknown, Disabled, On, Off.
4208 bool InsetTabular::getStatus(Cursor & cur, FuncRequest const & cmd,
4209         FuncStatus & status) const
4210 {
4211         switch (cmd.action()) {
4212         case LFUN_INSET_MODIFY: {
4213                 if (&cur.inset() != this || cmd.getArg(0) != "tabular")
4214                         break;
4215
4216                 string const s = cmd.getArg(1);
4217                 // FIXME: We only check for the very first argument...
4218                 int action = Tabular::LAST_ACTION;
4219                 int i = 0;
4220                 for (; tabularFeature[i].action != Tabular::LAST_ACTION; ++i) {
4221                         if (tabularFeature[i].feature == s) {
4222                                 action = tabularFeature[i].action;
4223                                 break;
4224                         }
4225                 }
4226                 if (action == Tabular::LAST_ACTION) {
4227                         status.clear();
4228                         status.setUnknown(true);
4229                         return true;
4230                 }
4231
4232                 string const argument = cmd.getLongArg(2);
4233
4234                 row_type sel_row_start = 0;
4235                 row_type sel_row_end = 0;
4236                 col_type sel_col_start = 0;
4237                 col_type sel_col_end = 0;
4238                 Tabular::ltType dummyltt;
4239                 bool flag = true;
4240
4241                 getSelection(cur, sel_row_start, sel_row_end, sel_col_start, sel_col_end);
4242
4243                 switch (action) {
4244                 case Tabular::SET_PWIDTH:
4245                 case Tabular::SET_MPWIDTH:
4246                 case Tabular::SET_SPECIAL_COLUMN:
4247                 case Tabular::SET_SPECIAL_MULTICOLUMN:
4248                 case Tabular::APPEND_ROW:
4249                 case Tabular::APPEND_COLUMN:
4250                 case Tabular::DELETE_ROW:
4251                 case Tabular::DELETE_COLUMN:
4252                 case Tabular::COPY_ROW:
4253                 case Tabular::COPY_COLUMN:
4254                 case Tabular::SET_TOP_SPACE:
4255                 case Tabular::SET_BOTTOM_SPACE:
4256                 case Tabular::SET_INTERLINE_SPACE:
4257                         status.clear();
4258                         return true;
4259
4260                 case Tabular::SET_DECIMAL_POINT:
4261                         status.setEnabled(
4262                                 tabular.getAlignment(cur.idx()) == LYX_ALIGN_DECIMAL);
4263                         break;
4264
4265                 case Tabular::SET_MULTICOLUMN:
4266                 case Tabular::UNSET_MULTICOLUMN:
4267                 case Tabular::MULTICOLUMN:
4268                         // If a row is set as longtable caption, it must not be allowed
4269                         // to unset that this row is a multicolumn.
4270                         status.setEnabled(sel_row_start == sel_row_end
4271                                 && !tabular.ltCaption(tabular.cellRow(cur.idx())));
4272                         status.setOnOff(tabular.isMultiColumn(cur.idx()));
4273                         break;
4274
4275                 case Tabular::SET_MULTIROW:
4276                 case Tabular::UNSET_MULTIROW:
4277                 case Tabular::MULTIROW:
4278                         // If a row is set as longtable caption, it must not be allowed
4279                         // to unset that this row is a multirow.
4280                         status.setEnabled(sel_col_start == sel_col_end
4281                                 && !tabular.ltCaption(tabular.cellRow(cur.idx())));
4282                         status.setOnOff(tabular.isMultiRow(cur.idx()));
4283                         break;
4284
4285                 case Tabular::SET_ALL_LINES:
4286                 case Tabular::UNSET_ALL_LINES:
4287                 case Tabular::SET_BORDER_LINES:
4288                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
4289                         break;
4290
4291                 case Tabular::SET_LINE_TOP:
4292                 case Tabular::SET_LINE_BOTTOM:
4293                 case Tabular::SET_LINE_LEFT:
4294                 case Tabular::SET_LINE_RIGHT:
4295                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
4296                         break;
4297
4298                 case Tabular::TOGGLE_LINE_TOP:
4299                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
4300                         status.setOnOff(tabular.topLine(cur.idx()));
4301                         break;
4302
4303                 case Tabular::TOGGLE_LINE_BOTTOM:
4304                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
4305                         status.setOnOff(tabular.bottomLine(cur.idx()));
4306                         break;
4307
4308                 case Tabular::TOGGLE_LINE_LEFT:
4309                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
4310                         status.setOnOff(tabular.leftLine(cur.idx()));
4311                         break;
4312
4313                 case Tabular::TOGGLE_LINE_RIGHT:
4314                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
4315                         status.setOnOff(tabular.rightLine(cur.idx()));
4316                         break;
4317
4318                 // multirow cells only inherit the alignment of the column if the column has
4319                 // no width, otherwise they are left-aligned
4320                 // therefore allow always left but right and center only if there is no width
4321                 case Tabular::M_ALIGN_LEFT:
4322                         flag = false;
4323                 case Tabular::ALIGN_LEFT:
4324                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_LEFT);
4325                         break;
4326
4327                 case Tabular::M_ALIGN_RIGHT:
4328                         flag = false;
4329                 case Tabular::ALIGN_RIGHT:
4330                         status.setEnabled(!(tabular.isMultiRow(cur.idx())
4331                                 && !tabular.getPWidth(cur.idx()).zero()));
4332                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_RIGHT);
4333                         break;
4334
4335                 case Tabular::M_ALIGN_CENTER:
4336                         flag = false;
4337                 case Tabular::ALIGN_CENTER:
4338                         status.setEnabled(!(tabular.isMultiRow(cur.idx())
4339                                 && !tabular.getPWidth(cur.idx()).zero()));
4340                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_CENTER);
4341                         break;
4342
4343                 case Tabular::ALIGN_BLOCK:
4344                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
4345                                 && !tabular.isMultiRow(cur.idx()));
4346                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_BLOCK);
4347                         break;
4348
4349                 case Tabular::ALIGN_DECIMAL:
4350                         status.setEnabled(!tabular.isMultiRow(cur.idx())
4351                                 && !tabular.isMultiColumn(cur.idx()));
4352                         status.setOnOff(tabular.getAlignment(cur.idx(), true) == LYX_ALIGN_DECIMAL);
4353                         break;
4354
4355                 case Tabular::M_VALIGN_TOP:
4356                         flag = false;
4357                 case Tabular::VALIGN_TOP:
4358                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
4359                                 && !tabular.isMultiRow(cur.idx()));
4360                         status.setOnOff(
4361                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_TOP);
4362                         break;
4363
4364                 case Tabular::M_VALIGN_BOTTOM:
4365                         flag = false;
4366                 case Tabular::VALIGN_BOTTOM:
4367                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
4368                                 && !tabular.isMultiRow(cur.idx()));
4369                         status.setOnOff(
4370                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_BOTTOM);
4371                         break;
4372
4373                 case Tabular::M_VALIGN_MIDDLE:
4374                         flag = false;
4375                 case Tabular::VALIGN_MIDDLE:
4376                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
4377                                 && !tabular.isMultiRow(cur.idx()));
4378                         status.setOnOff(
4379                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_MIDDLE);
4380                         break;
4381
4382                 case Tabular::SET_LONGTABULAR:
4383                         // setting as longtable is not allowed when table is inside a float
4384                         if (cur.innerInsetOfType(FLOAT_CODE) != 0
4385                                 || cur.innerInsetOfType(WRAP_CODE) != 0)
4386                                 status.setEnabled(false);
4387                         else
4388                                 status.setEnabled(true);
4389                         status.setOnOff(tabular.is_long_tabular);
4390                         break;
4391
4392                 case Tabular::UNSET_LONGTABULAR:
4393                         status.setOnOff(!tabular.is_long_tabular);
4394                         break;
4395
4396                 case Tabular::TOGGLE_ROTATE_TABULAR:
4397                 case Tabular::SET_ROTATE_TABULAR:
4398                         status.setOnOff(tabular.rotate);
4399                         break;
4400
4401                 case Tabular::TABULAR_VALIGN_TOP:
4402                         status.setOnOff(tabular.tabular_valignment
4403                                 == Tabular::LYX_VALIGN_TOP);
4404                         break;
4405                 case Tabular::TABULAR_VALIGN_MIDDLE:
4406                         status.setOnOff(tabular.tabular_valignment
4407                                 == Tabular::LYX_VALIGN_MIDDLE);
4408                         break;
4409                 case Tabular::TABULAR_VALIGN_BOTTOM:
4410                         status.setOnOff(tabular.tabular_valignment
4411                                 == Tabular::LYX_VALIGN_BOTTOM);
4412                         break;
4413
4414                 case Tabular::LONGTABULAR_ALIGN_LEFT:
4415                         status.setOnOff(tabular.longtabular_alignment
4416                                 == Tabular::LYX_LONGTABULAR_ALIGN_LEFT);
4417                         break;
4418                 case Tabular::LONGTABULAR_ALIGN_CENTER:
4419                         status.setOnOff(tabular.longtabular_alignment
4420                                 == Tabular::LYX_LONGTABULAR_ALIGN_CENTER);
4421                         break;
4422                 case Tabular::LONGTABULAR_ALIGN_RIGHT:
4423                         status.setOnOff(tabular.longtabular_alignment
4424                                 == Tabular::LYX_LONGTABULAR_ALIGN_RIGHT);
4425                         break;
4426
4427                 case Tabular::UNSET_ROTATE_TABULAR:
4428                         status.setOnOff(!tabular.rotate);
4429                         break;
4430
4431                 case Tabular::TOGGLE_ROTATE_CELL:
4432                 case Tabular::SET_ROTATE_CELL:
4433                         status.setOnOff(!oneCellHasRotationState(false,
4434                                 sel_row_start, sel_row_end, sel_col_start, sel_col_end));
4435                         break;
4436
4437                 case Tabular::UNSET_ROTATE_CELL:
4438                         status.setOnOff(!oneCellHasRotationState(true,
4439                                 sel_row_start, sel_row_end, sel_col_start, sel_col_end));
4440                         break;
4441
4442                 case Tabular::SET_USEBOX:
4443                         status.setOnOff(convert<int>(argument) == tabular.getUsebox(cur.idx()));
4444                         break;
4445
4446                 // every row can only be one thing:
4447                 // either a footer or header or caption
4448                 case Tabular::SET_LTFIRSTHEAD:
4449                         status.setEnabled(sel_row_start == sel_row_end
4450                                 && !tabular.ltCaption(sel_row_start));
4451                         status.setOnOff(tabular.getRowOfLTFirstHead(sel_row_start, dummyltt));
4452                         break;
4453
4454                 case Tabular::UNSET_LTFIRSTHEAD:
4455                         status.setOnOff(!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt));
4456                         break;
4457
4458                 case Tabular::SET_LTHEAD:
4459                         status.setEnabled(sel_row_start == sel_row_end
4460                                 && !tabular.ltCaption(sel_row_start));
4461                         status.setOnOff(tabular.getRowOfLTHead(sel_row_start, dummyltt));
4462                         break;
4463
4464                 case Tabular::UNSET_LTHEAD:
4465                         status.setOnOff(!tabular.getRowOfLTHead(sel_row_start, dummyltt));
4466                         break;
4467
4468                 case Tabular::SET_LTFOOT:
4469                         status.setEnabled(sel_row_start == sel_row_end
4470                                 && !tabular.ltCaption(sel_row_start));
4471                         status.setOnOff(tabular.getRowOfLTFoot(sel_row_start, dummyltt));
4472                         break;
4473
4474                 case Tabular::UNSET_LTFOOT:
4475                         status.setOnOff(!tabular.getRowOfLTFoot(sel_row_start, dummyltt));
4476                         break;
4477
4478                 case Tabular::SET_LTLASTFOOT:
4479                         status.setEnabled(sel_row_start == sel_row_end
4480                                 && !tabular.ltCaption(sel_row_start));
4481                         status.setOnOff(tabular.getRowOfLTLastFoot(sel_row_start, dummyltt));
4482                         break;
4483
4484                 case Tabular::UNSET_LTLASTFOOT:
4485                         status.setOnOff(!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt));
4486                         break;
4487
4488                 case Tabular::SET_LTNEWPAGE:
4489                         status.setOnOff(tabular.getLTNewPage(sel_row_start));
4490                         break;
4491
4492                 // only one row can be the caption
4493                 // and a multirow cannot be set as caption
4494                 case Tabular::SET_LTCAPTION:
4495                 case Tabular::UNSET_LTCAPTION:
4496                 case Tabular::TOGGLE_LTCAPTION:
4497                         status.setEnabled(sel_row_start == sel_row_end
4498                                 && !tabular.getRowOfLTFirstHead(sel_row_start, dummyltt)
4499                                 && !tabular.getRowOfLTHead(sel_row_start, dummyltt)
4500                                 && !tabular.getRowOfLTFoot(sel_row_start, dummyltt)
4501                                 && !tabular.getRowOfLTLastFoot(sel_row_start, dummyltt)
4502                                 && (!tabular.haveLTCaption()
4503                                         || tabular.ltCaption(sel_row_start))
4504                                 && !tabular.isMultiRow(sel_row_start));
4505                         status.setOnOff(tabular.ltCaption(sel_row_start));
4506                         break;
4507
4508                 case Tabular::SET_BOOKTABS:
4509                         status.setOnOff(tabular.use_booktabs);
4510                         break;
4511
4512                 case Tabular::UNSET_BOOKTABS:
4513                         status.setOnOff(!tabular.use_booktabs);
4514                         break;
4515
4516                 default:
4517                         status.clear();
4518                         status.setEnabled(false);
4519                         break;
4520                 }
4521                 return true;
4522         }
4523
4524         // These are only enabled inside tabular
4525         case LFUN_CELL_BACKWARD:
4526         case LFUN_CELL_FORWARD:
4527                 status.setEnabled(true);
4528                 return true;
4529
4530         // disable these with multiple cells selected
4531         case LFUN_INSET_INSERT:
4532         case LFUN_TABULAR_INSERT:
4533         case LFUN_FLEX_INSERT:
4534         case LFUN_FLOAT_INSERT:
4535         case LFUN_FLOAT_WIDE_INSERT:
4536         case LFUN_FOOTNOTE_INSERT:
4537         case LFUN_MARGINALNOTE_INSERT:
4538         case LFUN_MATH_INSERT:
4539         case LFUN_MATH_MODE:
4540         case LFUN_MATH_MUTATE:
4541         case LFUN_MATH_DISPLAY:
4542         case LFUN_NOTE_INSERT:
4543         case LFUN_ARGUMENT_INSERT:
4544         case LFUN_BOX_INSERT:
4545         case LFUN_BRANCH_INSERT:
4546         case LFUN_PHANTOM_INSERT:
4547         case LFUN_WRAP_INSERT:
4548         case LFUN_PREVIEW_INSERT:
4549         case LFUN_ERT_INSERT: {
4550                 if (cur.selIsMultiCell()) {
4551                         status.setEnabled(false);
4552                         return true;
4553                 } else
4554                         return cell(cur.idx())->getStatus(cur, cmd, status);
4555         }
4556
4557         // disable in non-fixed-width cells
4558         case LFUN_NEWLINE_INSERT:
4559         case LFUN_BREAK_PARAGRAPH: {
4560                 if (tabular.getPWidth(cur.idx()).zero()) {
4561                         status.setEnabled(false);
4562                         return true;
4563                 } else
4564                         return cell(cur.idx())->getStatus(cur, cmd, status);
4565         }
4566
4567         case LFUN_NEWPAGE_INSERT:
4568                 status.setEnabled(false);
4569                 return true;
4570
4571         case LFUN_PASTE:
4572                 if (tabularStackDirty() && theClipboard().isInternal()) {
4573                         if (cur.selIsMultiCell()) {
4574                                 row_type rs, re;
4575                                 col_type cs, ce;
4576                                 getSelection(cur, rs, re, cs, ce);
4577                                 if (paste_tabular && paste_tabular->ncols() == ce - cs + 1
4578                                           && paste_tabular->nrows() == re - rs + 1)
4579                                         status.setEnabled(true);
4580                                 else {
4581                                         status.setEnabled(false);
4582                                         status.message(_("Selection size should match clipboard content."));
4583                                 }
4584                         } else
4585                                 status.setEnabled(true);
4586                         return true;
4587                 }
4588                 return cell(cur.idx())->getStatus(cur, cmd, status);
4589
4590         case LFUN_INSET_SETTINGS:
4591                 // relay this lfun to Inset, not to the cell.
4592                 return Inset::getStatus(cur, cmd, status);
4593
4594         default:
4595                 // we try to handle this event in the insets dispatch function.
4596                 return cell(cur.idx())->getStatus(cur, cmd, status);
4597         }
4598         return false;
4599 }
4600
4601
4602 Inset::DisplayType InsetTabular::display() const
4603 {
4604                 if (tabular.is_long_tabular) {
4605                         switch (tabular.longtabular_alignment) {
4606                         case Tabular::LYX_LONGTABULAR_ALIGN_LEFT:
4607                                 return AlignLeft;
4608                         case Tabular::LYX_LONGTABULAR_ALIGN_CENTER:
4609                                 return AlignCenter;
4610                         case Tabular::LYX_LONGTABULAR_ALIGN_RIGHT:
4611                                 return AlignRight;
4612                         default:
4613                                 return AlignCenter;
4614                         }
4615                 } else
4616                         return Inline;
4617 }
4618
4619
4620 int InsetTabular::latex(odocstream & os, OutputParams const & runparams) const
4621 {
4622         return tabular.latex(os, runparams);
4623 }
4624
4625
4626 int InsetTabular::plaintext(odocstream & os, OutputParams const & runparams) const
4627 {
4628         os << '\n'; // output table on a new line
4629         int const dp = runparams.linelen > 0 ? runparams.depth : 0;
4630         tabular.plaintext(os, runparams, dp, false, 0);
4631         return PLAINTEXT_NEWLINE;
4632 }
4633
4634
4635 int InsetTabular::docbook(odocstream & os, OutputParams const & runparams) const
4636 {
4637         int ret = 0;
4638         Inset * master = 0;
4639
4640         // FIXME: Why not pass a proper DocIterator here?
4641 #if 0
4642         // if the table is inside a float it doesn't need the informaltable
4643         // wrapper. Search for it.
4644         for (master = owner(); master; master = master->owner())
4645                 if (master->lyxCode() == FLOAT_CODE)
4646                         break;
4647 #endif
4648
4649         if (!master) {
4650                 os << "<informaltable>";
4651                 ++ret;
4652         }
4653         ret += tabular.docbook(os, runparams);
4654         if (!master) {
4655                 os << "</informaltable>";
4656                 ++ret;
4657         }
4658         return ret;
4659 }
4660
4661
4662 docstring InsetTabular::xhtml(XHTMLStream & xs, OutputParams const & rp) const
4663 {
4664         // FIXME XHTML
4665         // It'd be better to be able to get this from an InsetLayout, but at present
4666         // InsetLayouts do not seem really to work for things that aren't InsetTexts.
4667         xs << html::StartTag("table");
4668         docstring ret = tabular.xhtml(xs, rp);
4669         xs << html::EndTag("table");
4670         return ret;
4671 }
4672
4673
4674 void InsetTabular::validate(LaTeXFeatures & features) const
4675 {
4676         tabular.validate(features);
4677         // FIXME XHTML
4678         // It'd be better to be able to get this from an InsetLayout, but at present
4679         // InsetLayouts do not seem really to work for things that aren't InsetTexts.
4680         if (features.runparams().flavor == OutputParams::HTML)
4681                 features.addPreambleSnippet("<style type=\"text/css\">\n"
4682       "table { border: 1px solid black; display: inline-block; }\n"
4683       "td { border: 1px solid black; padding: 0.5ex; }\n"
4684       "</style>");
4685 }
4686
4687
4688 shared_ptr<InsetTableCell const> InsetTabular::cell(idx_type idx) const
4689 {
4690         return tabular.cellInset(idx);
4691 }
4692
4693
4694 shared_ptr<InsetTableCell> InsetTabular::cell(idx_type idx)
4695 {
4696         return tabular.cellInset(idx);
4697 }
4698
4699
4700 void InsetTabular::cursorPos(BufferView const & bv,
4701                 CursorSlice const & sl, bool boundary, int & x, int & y) const
4702 {
4703         cell(sl.idx())->cursorPos(bv, sl, boundary, x, y);
4704
4705         int const row = tabular.cellRow(sl.idx());
4706         int const col = tabular.cellColumn(sl.idx());
4707
4708         // y offset     correction
4709         for (int r = 0; r < row; ++r)
4710                 y += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
4711                         + tabular.interRowSpace(r + 1);
4712
4713         y += tabular.textVOffset(sl.idx());
4714
4715         // x offset correction
4716         for (int c = 0; c < col; ++c)
4717                 x += tabular.column_info[c].width;
4718
4719         x += tabular.textHOffset(sl.idx());
4720         x += ADD_TO_TABULAR_WIDTH;
4721         x += scx_;
4722 }
4723
4724
4725 int InsetTabular::dist(BufferView & bv, idx_type const cell, int x, int y) const
4726 {
4727         int xx = 0;
4728         int yy = 0;
4729         Inset const & inset = *tabular.cellInset(cell);
4730         Point o = bv.coordCache().getInsets().xy(&inset);
4731         int const xbeg = o.x_ - tabular.textHOffset(cell);
4732         int const xend = xbeg + tabular.cellWidth(cell);
4733         row_type const row = tabular.cellRow(cell);
4734         int const ybeg = o.y_ - tabular.rowAscent(row)
4735                 - tabular.interRowSpace(row);
4736         int const yend = ybeg + tabular.cellHeight(cell);
4737
4738         if (x < xbeg)
4739                 xx = xbeg - x;
4740         else if (x > xend)
4741                 xx = x - xend;
4742
4743         if (y < ybeg)
4744                 yy = ybeg - y;
4745         else if (y > yend)
4746                 yy = y - yend;
4747
4748         //lyxerr << " xbeg=" << xbeg << "  xend=" << xend
4749         //       << " ybeg=" << ybeg << " yend=" << yend
4750         //       << " xx=" << xx << " yy=" << yy
4751         //       << " dist=" << xx + yy << endl;
4752         return xx + yy;
4753 }
4754
4755
4756 Inset * InsetTabular::editXY(Cursor & cur, int x, int y)
4757 {
4758         //lyxerr << "InsetTabular::editXY: " << this << endl;
4759         cur.setSelection(false);
4760         cur.push(*this);
4761         cur.idx() = getNearestCell(cur.bv(), x, y);
4762         resetPos(cur);
4763         return cur.bv().textMetrics(&cell(cur.idx())->text()).editXY(cur, x, y);
4764 }
4765
4766
4767 void InsetTabular::setCursorFromCoordinates(Cursor & cur, int x, int y) const
4768 {
4769         cur.idx() = getNearestCell(cur.bv(), x, y);
4770         cur.bv().textMetrics(&cell(cur.idx())->text()).setCursorFromCoordinates(cur, x, y);
4771 }
4772
4773
4774 InsetTabular::idx_type InsetTabular::getNearestCell(BufferView & bv, int x, int y) const
4775 {
4776         idx_type idx_min = 0;
4777         int dist_min = numeric_limits<int>::max();
4778         for (idx_type i = 0, n = nargs(); i != n; ++i) {
4779                 if (bv.coordCache().getInsets().has(tabular.cellInset(i).get())) {
4780                         int const d = dist(bv, i, x, y);
4781                         if (d < dist_min) {
4782                                 dist_min = d;
4783                                 idx_min = i;
4784                         }
4785                 }
4786         }
4787         return idx_min;
4788 }
4789
4790
4791 int InsetTabular::cellXPos(idx_type const cell) const
4792 {
4793         col_type col = tabular.cellColumn(cell);
4794         int lx = 0;
4795         for (col_type c = 0; c < col; ++c)
4796                 lx += tabular.column_info[c].width;
4797
4798         return lx;
4799 }
4800
4801
4802 void InsetTabular::resetPos(Cursor & cur) const
4803 {
4804         BufferView & bv = cur.bv();
4805         int const maxwidth = bv.workWidth();
4806
4807         int const scx_old = scx_;
4808         int const i = cur.find(this);
4809         if (i == -1) {
4810                 scx_ = 0;
4811         } else {
4812                 int const X1 = 0;
4813                 int const X2 = maxwidth;
4814                 int const offset = ADD_TO_TABULAR_WIDTH + 2;
4815                 int const x1 = xo(cur.bv()) + cellXPos(cur[i].idx()) + offset;
4816                 int const x2 = x1 + tabular.cellWidth(cur[i].idx());
4817
4818                 if (x1 < X1)
4819                         scx_ = X1 + 20 - x1;
4820                 else if (x2 > X2)
4821                         scx_ = X2 - 20 - x2;
4822                 else
4823                         scx_ = 0;
4824         }
4825
4826         // only update if offset changed
4827         if (scx_ != scx_old)
4828                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
4829 }
4830
4831
4832 void InsetTabular::moveNextCell(Cursor & cur, EntryDirection entry_from)
4833 {
4834         row_type const row = tabular.cellRow(cur.idx());
4835         col_type const col = tabular.cellColumn(cur.idx());
4836
4837         if (isRightToLeft(cur)) {
4838                 if (tabular.cellColumn(cur.idx()) == 0) {
4839                         if (row == tabular.nrows() - 1)
4840                                 return;
4841                         cur.idx() = tabular.cellBelow(tabular.getLastCellInRow(row));
4842                 } else {
4843                         if (cur.idx() == 0)
4844                                 return;
4845                         if (col == 0)
4846                                 cur.idx() = tabular.getLastCellInRow(row - 1);
4847                         else
4848                                 cur.idx() = tabular.cellIndex(row, col - 1);
4849                 }
4850         } else {
4851                 if (tabular.isLastCell(cur.idx()))
4852                         return;
4853                 if (cur.idx() == tabular.getLastCellInRow(row))
4854                         cur.idx() = tabular.cellIndex(row + 1, 0);
4855                 else {
4856                         col_type const colnextcell = col + tabular.columnSpan(cur.idx());
4857                         cur.idx() = tabular.cellIndex(row, colnextcell);
4858                 }
4859         }
4860
4861         cur.boundary(false);
4862
4863         if (cur.selIsMultiCell()) {
4864                 cur.pit() = cur.lastpit();
4865                 cur.pos() = cur.lastpos();
4866                 resetPos(cur);
4867                 return;
4868         }
4869
4870         cur.pit() = 0;
4871         cur.pos() = 0;
4872
4873         // in visual mode, place cursor at extreme left or right
4874
4875         switch(entry_from) {
4876
4877         case ENTRY_DIRECTION_RIGHT:
4878                 cur.posVisToRowExtremity(false /* !left */);
4879                 break;
4880         case ENTRY_DIRECTION_LEFT:
4881                 cur.posVisToRowExtremity(true /* left */);
4882                 break;
4883         case ENTRY_DIRECTION_IGNORE:
4884                 // nothing to do in this case
4885                 break;
4886
4887         }
4888         cur.setCurrentFont();
4889         resetPos(cur);
4890 }
4891
4892
4893 void InsetTabular::movePrevCell(Cursor & cur, EntryDirection entry_from)
4894 {
4895         row_type const row = tabular.cellRow(cur.idx());
4896         col_type const col = tabular.cellColumn(cur.idx());
4897
4898         if (isRightToLeft(cur)) {
4899                 if (cur.idx() == tabular.getLastCellInRow(row)) {
4900                         if (row == 0)
4901                                 return;
4902                         cur.idx() = tabular.getFirstCellInRow(row);
4903                         cur.idx() = tabular.cellAbove(cur.idx());
4904                 } else {
4905                         if (tabular.isLastCell(cur.idx()))
4906                                 return;
4907                         if (cur.idx() == tabular.getLastCellInRow(row))
4908                                 cur.idx() = tabular.cellIndex(row + 1, 0);
4909                         else
4910                                 cur.idx() = tabular.cellIndex(row, col + 1);
4911                 }
4912         } else {
4913                 if (cur.idx() == 0) // first cell
4914                         return;
4915                 if (col == 0)
4916                         cur.idx() = tabular.getLastCellInRow(row - 1);
4917                 else
4918                         cur.idx() = tabular.cellIndex(row, col - 1);
4919         }
4920
4921         if (cur.selIsMultiCell()) {
4922                 cur.pit() = cur.lastpit();
4923                 cur.pos() = cur.lastpos();
4924                 resetPos(cur);
4925                 return;
4926         }
4927
4928         cur.pit() = cur.lastpit();
4929         cur.pos() = cur.lastpos();
4930
4931         // in visual mode, place cursor at extreme left or right
4932
4933         switch(entry_from) {
4934
4935         case ENTRY_DIRECTION_RIGHT:
4936                 cur.posVisToRowExtremity(false /* !left */);
4937                 break;
4938         case ENTRY_DIRECTION_LEFT:
4939                 cur.posVisToRowExtremity(true /* left */);
4940                 break;
4941         case ENTRY_DIRECTION_IGNORE:
4942                 // nothing to do in this case
4943                 break;
4944
4945         }
4946         cur.setCurrentFont();
4947         resetPos(cur);
4948 }
4949
4950
4951 bool InsetTabular::tabularFeatures(Cursor & cur, string const & argument)
4952 {
4953         istringstream is(argument);
4954         string s;
4955         is >> s;
4956         if (insetCode(s) != TABULAR_CODE)
4957                 return false;
4958
4959         // Safe guard.
4960         size_t safe_guard = 0;
4961         for (;;) {
4962                 if (is.eof())
4963                         break;
4964                 safe_guard++;
4965                 if (safe_guard > 1000) {
4966                         LYXERR0("parameter max count reached!");
4967                         break;
4968                 }
4969                 is >> s;
4970                 Tabular::Feature action = Tabular::LAST_ACTION;
4971
4972                 size_t i = 0;
4973                 for (; tabularFeature[i].action != Tabular::LAST_ACTION; ++i) {
4974                         if (s != tabularFeature[i].feature)
4975                                 continue;
4976
4977                         action = tabularFeature[i].action;
4978                         break;
4979                 }
4980                 if (action == Tabular::LAST_ACTION) {
4981                         LYXERR0("Feature not found " << s);
4982                         continue;
4983                 }
4984                 string val;
4985                 if (tabularFeature[i].need_value)
4986                         is >> val;
4987                 LYXERR(Debug::DEBUG, "Feature: " << s << "\t\tvalue: " << val);
4988                 tabularFeatures(cur, action, val);
4989         }
4990         return true;
4991 }
4992
4993
4994 static void checkLongtableSpecial(Tabular::ltType & ltt,
4995                           string const & special, bool & flag)
4996 {
4997         if (special == "dl_above") {
4998                 ltt.topDL = flag;
4999                 ltt.set = false;
5000         } else if (special == "dl_below") {
5001                 ltt.bottomDL = flag;
5002                 ltt.set = false;
5003         } else if (special == "empty") {
5004                 ltt.empty = flag;
5005                 ltt.set = false;
5006         } else if (flag) {
5007                 ltt.empty = false;
5008                 ltt.set = true;
5009         }
5010 }
5011
5012
5013 bool InsetTabular::oneCellHasRotationState(bool rotated,
5014                 row_type row_start, row_type row_end,
5015                 col_type col_start, col_type col_end) const
5016 {
5017         for (row_type r = row_start; r <= row_end; ++r)
5018                 for (col_type c = col_start; c <= col_end; ++c)
5019                         if (tabular.getRotateCell(tabular.cellIndex(r, c)) == rotated)
5020                                 return true;
5021
5022         return false;
5023 }
5024
5025 void InsetTabular::tabularFeatures(Cursor & cur,
5026         Tabular::Feature feature, string const & value)
5027 {
5028         col_type sel_col_start;
5029         col_type sel_col_end;
5030         row_type sel_row_start;
5031         row_type sel_row_end;
5032         bool setLines = false;
5033         LyXAlignment setAlign = LYX_ALIGN_LEFT;
5034         Tabular::VAlignment setVAlign = Tabular::LYX_VALIGN_TOP;
5035
5036         switch (feature) {
5037
5038         case Tabular::M_ALIGN_LEFT:
5039         case Tabular::ALIGN_LEFT:
5040                 setAlign = LYX_ALIGN_LEFT;
5041                 break;
5042
5043         case Tabular::M_ALIGN_RIGHT:
5044         case Tabular::ALIGN_RIGHT:
5045                 setAlign = LYX_ALIGN_RIGHT;
5046                 break;
5047
5048         case Tabular::M_ALIGN_CENTER:
5049         case Tabular::ALIGN_CENTER:
5050                 setAlign = LYX_ALIGN_CENTER;
5051                 break;
5052
5053         case Tabular::ALIGN_BLOCK:
5054                 setAlign = LYX_ALIGN_BLOCK;
5055                 break;
5056
5057         case Tabular::ALIGN_DECIMAL:
5058                 setAlign = LYX_ALIGN_DECIMAL;
5059                 break;
5060
5061         case Tabular::M_VALIGN_TOP:
5062         case Tabular::VALIGN_TOP:
5063                 setVAlign = Tabular::LYX_VALIGN_TOP;
5064                 break;
5065
5066         case Tabular::M_VALIGN_BOTTOM:
5067         case Tabular::VALIGN_BOTTOM:
5068                 setVAlign = Tabular::LYX_VALIGN_BOTTOM;
5069                 break;
5070
5071         case Tabular::M_VALIGN_MIDDLE:
5072         case Tabular::VALIGN_MIDDLE:
5073                 setVAlign = Tabular::LYX_VALIGN_MIDDLE;
5074                 break;
5075
5076         default:
5077                 break;
5078         }
5079
5080         cur.recordUndoInset(ATOMIC_UNDO);
5081
5082         getSelection(cur, sel_row_start, sel_row_end, sel_col_start, sel_col_end);
5083         row_type const row = tabular.cellRow(cur.idx());
5084         col_type const column = tabular.cellColumn(cur.idx());
5085         bool flag = true;
5086         Tabular::ltType ltt;
5087
5088         switch (feature) {
5089
5090         case Tabular::SET_PWIDTH: {
5091                 Length const len(value);
5092                 tabular.setColumnPWidth(cur, cur.idx(), len);
5093                 if (len.zero()
5094                     && tabular.getAlignment(cur.idx(), true) == LYX_ALIGN_BLOCK)
5095                         tabularFeatures(cur, Tabular::ALIGN_CENTER, string());
5096                 // check if there is a 1-column multicolumn cell
5097                 // if so it must get the same width
5098                 for (row_type r = 0; r < tabular.nrows(); ++r) {
5099                         if (tabular.isMultiColumn(tabular.cellIndex(r, column))
5100                                 && tabular.columnSpan(tabular.cellIndex(r, column)) == 1)
5101                                 tabular.setMColumnPWidth(cur, tabular.cellIndex(r, column), len);
5102                 }
5103                 break;
5104         }
5105
5106         case Tabular::SET_MPWIDTH:
5107                 tabular.setMColumnPWidth(cur, cur.idx(), Length(value));
5108                 // if the multicolumn only spans 1 column, the width of the whole column
5109                 // must have the same width, see bug #7055
5110                 if (tabular.columnSpan(cur.idx()) == 1)
5111                         for (row_type r = 0; r < tabular.nrows(); ++r) {
5112                                 if (!tabular.isMultiColumn(tabular.cellIndex(r, column)))
5113                                         tabular.setColumnPWidth(cur, tabular.cellIndex(r, column), Length(value));
5114                                 else if (tabular.isMultiColumn(tabular.cellIndex(r, column))
5115                                         && tabular.columnSpan(tabular.cellIndex(r, column)) == 1)
5116                                         tabular.setMColumnPWidth(cur, tabular.cellIndex(r, column), Length(value));
5117                         }
5118                 break;
5119
5120         case Tabular::SET_MROFFSET:
5121                 tabular.setMROffset(cur, cur.idx(), Length(value));
5122                 break;
5123
5124         case Tabular::SET_SPECIAL_COLUMN:
5125         case Tabular::SET_SPECIAL_MULTICOLUMN:
5126                 if (value == "none")
5127                         tabular.setAlignSpecial(cur.idx(), docstring(), feature);
5128                 else
5129                         tabular.setAlignSpecial(cur.idx(), from_utf8(value), feature);
5130                 break;
5131
5132         case Tabular::APPEND_ROW:
5133                 // append the row into the tabular
5134                 tabular.appendRow(cur.idx());
5135                 break;
5136
5137         case Tabular::APPEND_COLUMN:
5138                 // append the column into the tabular
5139                 tabular.appendColumn(cur.idx());
5140                 cur.idx() = tabular.cellIndex(row, column);
5141                 break;
5142
5143         case Tabular::DELETE_ROW:
5144                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5145                         tabular.deleteRow(sel_row_start);
5146                 if (sel_row_start >= tabular.nrows())
5147                         --sel_row_start;
5148                 cur.idx() = tabular.cellIndex(sel_row_start, column);
5149                 cur.pit() = 0;
5150                 cur.pos() = 0;
5151                 cur.setSelection(false);
5152                 break;
5153
5154         case Tabular::DELETE_COLUMN:
5155                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
5156                         tabular.deleteColumn(sel_col_start);
5157                 if (sel_col_start >= tabular.ncols())
5158                         --sel_col_start;
5159                 cur.idx() = tabular.cellIndex(row, sel_col_start);
5160                 cur.pit() = 0;
5161                 cur.pos() = 0;
5162                 cur.setSelection(false);
5163                 break;
5164
5165         case Tabular::COPY_ROW:
5166                 tabular.copyRow(row);
5167                 break;
5168
5169         case Tabular::COPY_COLUMN:
5170                 tabular.copyColumn(column);
5171                 cur.idx() = tabular.cellIndex(row, column);
5172                 break;
5173
5174         case Tabular::SET_LINE_TOP:
5175         case Tabular::TOGGLE_LINE_TOP: {
5176                 bool lineSet = (feature == Tabular::SET_LINE_TOP)
5177                                ? (value == "true") : !tabular.topLine(cur.idx());
5178                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5179                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
5180                                 tabular.setTopLine(tabular.cellIndex(r, c), lineSet);
5181                 break;
5182         }
5183
5184         case Tabular::SET_LINE_BOTTOM:
5185         case Tabular::TOGGLE_LINE_BOTTOM: {
5186                 bool lineSet = (feature == Tabular::SET_LINE_BOTTOM)
5187                                ? (value == "true") : !tabular.bottomLine(cur.idx());
5188                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5189                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
5190                                 tabular.setBottomLine(tabular.cellIndex(r, c), lineSet);
5191                 break;
5192         }
5193
5194         case Tabular::SET_LINE_LEFT:
5195         case Tabular::TOGGLE_LINE_LEFT: {
5196                 bool lineSet = (feature == Tabular::SET_LINE_LEFT)
5197                                ? (value == "true") : !tabular.leftLine(cur.idx());
5198                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5199                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
5200                                 tabular.setLeftLine(tabular.cellIndex(r, c), lineSet);
5201                 break;
5202         }
5203
5204         case Tabular::SET_LINE_RIGHT:
5205         case Tabular::TOGGLE_LINE_RIGHT: {
5206                 bool lineSet = (feature == Tabular::SET_LINE_RIGHT)
5207                                ? (value == "true") : !tabular.rightLine(cur.idx());
5208                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5209                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
5210                                 tabular.setRightLine(tabular.cellIndex(r, c), lineSet);
5211                 break;
5212         }
5213
5214         case Tabular::M_ALIGN_LEFT:
5215         case Tabular::M_ALIGN_RIGHT:
5216         case Tabular::M_ALIGN_CENTER:
5217         case Tabular::ALIGN_LEFT:
5218         case Tabular::ALIGN_RIGHT:
5219         case Tabular::ALIGN_CENTER:
5220         case Tabular::ALIGN_BLOCK:
5221         case Tabular::ALIGN_DECIMAL:
5222                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5223                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
5224                                 tabular.setAlignment(tabular.cellIndex(r, c), setAlign,
5225                                 !tabular.getPWidth(c).zero());
5226                 break;
5227
5228         case Tabular::M_VALIGN_TOP:
5229         case Tabular::M_VALIGN_BOTTOM:
5230         case Tabular::M_VALIGN_MIDDLE:
5231                 flag = false;
5232         case Tabular::VALIGN_TOP:
5233         case Tabular::VALIGN_BOTTOM:
5234         case Tabular::VALIGN_MIDDLE:
5235                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5236                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
5237                                 tabular.setVAlignment(tabular.cellIndex(r, c), setVAlign, flag);
5238                 break;
5239
5240         case Tabular::SET_MULTICOLUMN: {
5241                 if (!cur.selection()) {
5242                         // just multicol for one single cell
5243                         // check whether we are completely in a multicol
5244                         if (!tabular.isMultiColumn(cur.idx()))
5245                                 tabular.setMultiColumn(cur.idx(), 1);
5246                         break;
5247                 }
5248                 // we have a selection so this means we just add all this
5249                 // cells to form a multicolumn cell
5250                 idx_type const s_start = cur.selBegin().idx();
5251                 row_type const col_start = tabular.cellColumn(s_start);
5252                 row_type const col_end = tabular.cellColumn(cur.selEnd().idx());
5253                 cur.idx() = tabular.setMultiColumn(s_start, col_end - col_start + 1);
5254                 cur.pit() = 0;
5255                 cur.pos() = 0;
5256                 cur.setSelection(false);
5257                 break;
5258         }
5259
5260         case Tabular::UNSET_MULTICOLUMN: {
5261                 if (!cur.selection()) {
5262                         if (tabular.isMultiColumn(cur.idx()))
5263                                 tabular.unsetMultiColumn(cur.idx());
5264                 }
5265                 break;
5266         }
5267
5268         case Tabular::MULTICOLUMN: {
5269                 if (tabular.isMultiColumn(cur.idx()))
5270                         tabularFeatures(cur, Tabular::UNSET_MULTICOLUMN);
5271                 else
5272                         tabularFeatures(cur, Tabular::SET_MULTICOLUMN);
5273                 break;
5274         }
5275
5276         case Tabular::SET_MULTIROW: {
5277                 if (!cur.selection()) {
5278                         // just multirow for one single cell
5279                         // check whether we are completely in a multirow
5280                         if (!tabular.isMultiRow(cur.idx()))
5281                                 tabular.setMultiRow(cur.idx(), 1);
5282                         break;
5283                 }
5284                 // we have a selection so this means we just add all this
5285                 // cells to form a multirow cell
5286                 idx_type const s_start = cur.selBegin().idx();
5287                 row_type const row_start = tabular.cellRow(s_start);
5288                 row_type const row_end = tabular.cellRow(cur.selEnd().idx());
5289                 cur.idx() = tabular.setMultiRow(s_start, row_end - row_start + 1);
5290                 cur.pit() = 0;
5291                 cur.pos() = 0;
5292                 cur.setSelection(false);
5293                 break;
5294         }
5295
5296         case Tabular::UNSET_MULTIROW: {
5297                 if (!cur.selection()) {
5298                         if (tabular.isMultiRow(cur.idx()))
5299                                 tabular.unsetMultiRow(cur.idx());
5300                 }
5301                 break;
5302         }
5303
5304         case Tabular::MULTIROW: {
5305                 if (tabular.isMultiRow(cur.idx()))
5306                         tabularFeatures(cur, Tabular::UNSET_MULTIROW);
5307                 else
5308                         tabularFeatures(cur, Tabular::SET_MULTIROW);
5309                 break;
5310         }
5311
5312         case Tabular::SET_ALL_LINES:
5313                 setLines = true;
5314         case Tabular::UNSET_ALL_LINES:
5315                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5316                         for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
5317                                 idx_type const cell = tabular.cellIndex(r, c);
5318                                 tabular.setTopLine(cell, setLines);
5319                                 tabular.setBottomLine(cell, setLines);
5320                                 tabular.setRightLine(cell, setLines);
5321                                 tabular.setLeftLine(cell, setLines);
5322                         }
5323                 break;
5324
5325         case Tabular::SET_BORDER_LINES:
5326                 for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
5327                         tabular.setLeftLine(tabular.cellIndex(r, sel_col_start), true);
5328                         tabular.setRightLine(tabular.cellIndex(r, sel_col_end), true);
5329                 }
5330                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
5331                         tabular.setTopLine(tabular.cellIndex(sel_row_start, c), true);
5332                         tabular.setBottomLine(tabular.cellIndex(sel_row_end, c), true);
5333                 }
5334                 break;
5335
5336         case Tabular::SET_LONGTABULAR:
5337                 tabular.is_long_tabular = true;
5338                 break;
5339
5340         case Tabular::UNSET_LONGTABULAR:
5341                 for (row_type r = 0; r < tabular.nrows(); ++r) {
5342                         if (tabular.ltCaption(r)) {
5343                                 cur.idx() = tabular.cellIndex(r, 0);
5344                                 cur.pit() = 0;
5345                                 cur.pos() = 0;
5346                                 tabularFeatures(cur, Tabular::TOGGLE_LTCAPTION);
5347                         }
5348                 }
5349                 tabular.is_long_tabular = false;
5350                 break;
5351
5352         case Tabular::SET_ROTATE_TABULAR:
5353                 tabular.rotate = true;
5354                 break;
5355
5356         case Tabular::UNSET_ROTATE_TABULAR:
5357                 tabular.rotate = false;
5358                 break;
5359
5360         case Tabular::TOGGLE_ROTATE_TABULAR:
5361                 tabular.rotate = !tabular.rotate;
5362                 break;
5363
5364         case Tabular::TABULAR_VALIGN_TOP:
5365                 tabular.tabular_valignment = Tabular::LYX_VALIGN_TOP;
5366                 break;
5367
5368         case Tabular::TABULAR_VALIGN_MIDDLE:
5369                 tabular.tabular_valignment = Tabular::LYX_VALIGN_MIDDLE;
5370                 break;
5371
5372         case Tabular::TABULAR_VALIGN_BOTTOM:
5373                 tabular.tabular_valignment = Tabular::LYX_VALIGN_BOTTOM;
5374                 break;
5375
5376         case Tabular::LONGTABULAR_ALIGN_LEFT:
5377                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_LEFT;
5378                 break;
5379
5380         case Tabular::LONGTABULAR_ALIGN_CENTER:
5381                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_CENTER;
5382                 break;
5383
5384         case Tabular::LONGTABULAR_ALIGN_RIGHT:
5385                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_RIGHT;
5386                 break;
5387
5388
5389
5390         case Tabular::SET_ROTATE_CELL:
5391                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5392                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
5393                                 tabular.setRotateCell(tabular.cellIndex(r, c), true);
5394                 break;
5395
5396         case Tabular::UNSET_ROTATE_CELL:
5397                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5398                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
5399                                 tabular.setRotateCell(tabular.cellIndex(r, c), false);
5400                 break;
5401
5402         case Tabular::TOGGLE_ROTATE_CELL:
5403                 {
5404                 bool oneNotRotated = oneCellHasRotationState(false,
5405                         sel_row_start, sel_row_end, sel_col_start, sel_col_end);
5406
5407                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5408                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
5409                                 tabular.setRotateCell(tabular.cellIndex(r, c),
5410                                                                           oneNotRotated);
5411                 }
5412                 break;
5413
5414         case Tabular::SET_USEBOX: {
5415                 Tabular::BoxType val = Tabular::BoxType(convert<int>(value));
5416                 if (val == tabular.getUsebox(cur.idx()))
5417                         val = Tabular::BOX_NONE;
5418                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5419                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
5420                                 tabular.setUsebox(tabular.cellIndex(r, c), val);
5421                 break;
5422         }
5423
5424         case Tabular::UNSET_LTFIRSTHEAD:
5425                 flag = false;
5426         case Tabular::SET_LTFIRSTHEAD:
5427                 tabular.getRowOfLTFirstHead(row, ltt);
5428                 checkLongtableSpecial(ltt, value, flag);
5429                 tabular.setLTHead(row, flag, ltt, true);
5430                 break;
5431
5432         case Tabular::UNSET_LTHEAD:
5433                 flag = false;
5434         case Tabular::SET_LTHEAD:
5435                 tabular.getRowOfLTHead(row, ltt);
5436                 checkLongtableSpecial(ltt, value, flag);
5437                 tabular.setLTHead(row, flag, ltt, false);
5438                 break;
5439
5440         case Tabular::UNSET_LTFOOT:
5441                 flag = false;
5442         case Tabular::SET_LTFOOT:
5443                 tabular.getRowOfLTFoot(row, ltt);
5444                 checkLongtableSpecial(ltt, value, flag);
5445                 tabular.setLTFoot(row, flag, ltt, false);
5446                 break;
5447
5448         case Tabular::UNSET_LTLASTFOOT:
5449                 flag = false;
5450         case Tabular::SET_LTLASTFOOT:
5451                 tabular.getRowOfLTLastFoot(row, ltt);
5452                 checkLongtableSpecial(ltt, value, flag);
5453                 tabular.setLTFoot(row, flag, ltt, true);
5454                 break;
5455
5456         case Tabular::SET_LTNEWPAGE:
5457                 tabular.setLTNewPage(row, !tabular.getLTNewPage(row));
5458                 break;
5459
5460         case Tabular::SET_LTCAPTION: {
5461                 if (tabular.ltCaption(row))
5462                         break;
5463                 cur.idx() = tabular.setLTCaption(row, true);
5464                 cur.pit() = 0;
5465                 cur.pos() = 0;
5466                 cur.setSelection(false);
5467                 // If a row is set as caption, then also insert
5468                 // a caption. Otherwise the LaTeX output is broken.
5469                 lyx::dispatch(FuncRequest(LFUN_INSET_SELECT_ALL));
5470                 lyx::dispatch(FuncRequest(LFUN_CAPTION_INSERT));
5471                 break;
5472         }
5473
5474         case Tabular::UNSET_LTCAPTION: {
5475                 if (!tabular.ltCaption(row))
5476                         break;
5477                 cur.idx() = tabular.setLTCaption(row, false);
5478                 cur.pit() = 0;
5479                 cur.pos() = 0;
5480                 cur.setSelection(false);
5481                 FuncRequest fr(LFUN_INSET_DISSOLVE, "caption");
5482                 if (lyx::getStatus(fr).enabled())
5483                         lyx::dispatch(fr);
5484                 break;
5485         }
5486
5487         case Tabular::TOGGLE_LTCAPTION: {
5488                 if (tabular.ltCaption(row))
5489                         tabularFeatures(cur, Tabular::UNSET_LTCAPTION);
5490                 else
5491                         tabularFeatures(cur, Tabular::SET_LTCAPTION);
5492                 break;
5493         }
5494
5495         case Tabular::SET_BOOKTABS:
5496                 tabular.use_booktabs = true;
5497                 break;
5498
5499         case Tabular::UNSET_BOOKTABS:
5500                 tabular.use_booktabs = false;
5501                 break;
5502
5503         case Tabular::SET_TOP_SPACE: {
5504                 Length len;
5505                 if (value == "default")
5506                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5507                                 tabular.row_info[r].top_space_default = true;
5508                 else if (value == "none")
5509                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
5510                                 tabular.row_info[r].top_space_default = false;
5511                                 tabular.row_info[r].top_space = len;
5512                         }
5513                 else if (isValidLength(value, &len))
5514                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
5515                                 tabular.row_info[r].top_space_default = false;
5516                                 tabular.row_info[r].top_space = len;
5517                         }
5518                 break;
5519         }
5520
5521         case Tabular::SET_BOTTOM_SPACE: {
5522                 Length len;
5523                 if (value == "default")
5524                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5525                                 tabular.row_info[r].bottom_space_default = true;
5526                 else if (value == "none")
5527                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
5528                                 tabular.row_info[r].bottom_space_default = false;
5529                                 tabular.row_info[r].bottom_space = len;
5530                         }
5531                 else if (isValidLength(value, &len))
5532                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
5533                                 tabular.row_info[r].bottom_space_default = false;
5534                                 tabular.row_info[r].bottom_space = len;
5535                         }
5536                 break;
5537         }
5538
5539         case Tabular::SET_INTERLINE_SPACE: {
5540                 Length len;
5541                 if (value == "default")
5542                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5543                                 tabular.row_info[r].interline_space_default = true;
5544                 else if (value == "none")
5545                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
5546                                 tabular.row_info[r].interline_space_default = false;
5547                                 tabular.row_info[r].interline_space = len;
5548                         }
5549                 else if (isValidLength(value, &len))
5550                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
5551                                 tabular.row_info[r].interline_space_default = false;
5552                                 tabular.row_info[r].interline_space = len;
5553                         }
5554                 break;
5555         }
5556
5557         case Tabular::SET_DECIMAL_POINT:
5558                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
5559                         tabular.column_info[c].decimal_point = from_utf8(value);
5560                 break;
5561
5562         // dummy stuff just to avoid warnings
5563         case Tabular::LAST_ACTION:
5564                 break;
5565         }
5566 }
5567
5568
5569 bool InsetTabular::copySelection(Cursor & cur)
5570 {
5571         if (!cur.selection())
5572                 return false;
5573
5574         row_type rs, re;
5575         col_type cs, ce;
5576         getSelection(cur, rs, re, cs, ce);
5577
5578         paste_tabular.reset(new Tabular(tabular));
5579
5580         for (row_type r = 0; r < rs; ++r)
5581                 paste_tabular->deleteRow(0);
5582
5583         row_type const rows = re - rs + 1;
5584         while (paste_tabular->nrows() > rows)
5585                 paste_tabular->deleteRow(rows);
5586
5587         for (col_type c = 0; c < cs; ++c)
5588                 paste_tabular->deleteColumn(0);
5589
5590         col_type const columns = ce - cs + 1;
5591         while (paste_tabular->ncols() > columns)
5592                 paste_tabular->deleteColumn(columns);
5593
5594         paste_tabular->setBuffer(tabular.buffer());
5595
5596         odocstringstream os;
5597         OutputParams const runparams(0);
5598         paste_tabular->plaintext(os, runparams, 0, true, '\t');
5599         // Needed for the "Edit->Paste recent" menu and the system clipboard.
5600         cap::copySelection(cur, os.str());
5601
5602         // mark tabular stack dirty
5603         // FIXME: this is a workaround for bug 1919. Should be removed for 1.5,
5604         // when we (hopefully) have a one-for-all paste mechanism.
5605         // This must be called after cap::copySelection.
5606         dirtyTabularStack(true);
5607
5608         return true;
5609 }
5610
5611
5612 bool InsetTabular::pasteClipboard(Cursor & cur)
5613 {
5614         if (!paste_tabular)
5615                 return false;
5616         col_type actcol = tabular.cellColumn(cur.idx());
5617         row_type actrow = tabular.cellRow(cur.idx());
5618
5619         if (cur.selIsMultiCell()) {
5620                 row_type re;
5621                 col_type ce;
5622                 getSelection(cur, actrow, re, actcol, ce);
5623         }
5624
5625         for (row_type r1 = 0, r2 = actrow;
5626              r1 < paste_tabular->nrows() && r2 < tabular.nrows();
5627              ++r1, ++r2) {
5628                 for (col_type c1 = 0, c2 = actcol;
5629                     c1 < paste_tabular->ncols() && c2 < tabular.ncols();
5630                     ++c1, ++c2) {
5631                         if (paste_tabular->isPartOfMultiColumn(r1, c1) &&
5632                               tabular.isPartOfMultiColumn(r2, c2))
5633                                 continue;
5634                         if (paste_tabular->isPartOfMultiColumn(r1, c1)) {
5635                                 --c2;
5636                                 continue;
5637                         }
5638                         if (tabular.isPartOfMultiColumn(r2, c2)) {
5639                                 --c1;
5640                                 continue;
5641                         }
5642                         shared_ptr<InsetTableCell> inset(
5643                                 new InsetTableCell(*paste_tabular->cellInset(r1, c1)));
5644                         tabular.setCellInset(r2, c2, inset);
5645                         // FIXME?: why do we need to do this explicitly? (EL)
5646                         tabular.cellInset(r2, c2)->setBuffer(tabular.buffer());
5647
5648                         // FIXME: change tracking (MG)
5649                         inset->setChange(Change(buffer().params().trackChanges ?
5650                                                 Change::INSERTED : Change::UNCHANGED));
5651                         cur.pos() = 0;
5652                 }
5653         }
5654         return true;
5655 }
5656
5657
5658 void InsetTabular::cutSelection(Cursor & cur)
5659 {
5660         if (!cur.selection())
5661                 return;
5662
5663         row_type rs, re;
5664         col_type cs, ce;
5665         getSelection(cur, rs, re, cs, ce);
5666         for (row_type r = rs; r <= re; ++r) {
5667                 for (col_type c = cs; c <= ce; ++c) {
5668                         shared_ptr<InsetTableCell> t
5669                                 = cell(tabular.cellIndex(r, c));
5670                         if (buffer().params().trackChanges)
5671                                 // FIXME: Change tracking (MG)
5672                                 t->setChange(Change(Change::DELETED));
5673                         else
5674                                 t->clear();
5675                 }
5676         }
5677
5678         // cursor position might be invalid now
5679         if (cur.pit() > cur.lastpit())
5680                 cur.pit() = cur.lastpit();
5681         if (cur.pos() > cur.lastpos())
5682                 cur.pos() = cur.lastpos();
5683         cur.clearSelection();
5684 }
5685
5686
5687 bool InsetTabular::isRightToLeft(Cursor & cur) const
5688 {
5689         LASSERT(cur.depth() > 1, /**/);
5690         Paragraph const & parentpar = cur[cur.depth() - 2].paragraph();
5691         pos_type const parentpos = cur[cur.depth() - 2].pos();
5692         return parentpar.getFontSettings(buffer().params(),
5693                                          parentpos).language()->rightToLeft();
5694 }
5695
5696
5697 docstring InsetTabular::asString(idx_type stidx, idx_type enidx,
5698                                  bool intoInsets)
5699 {
5700         LASSERT(stidx <= enidx, return docstring());
5701         docstring retval;
5702         col_type const col1 = tabular.cellColumn(stidx);
5703         col_type const col2 = tabular.cellColumn(enidx);
5704         row_type const row1 = tabular.cellRow(stidx);
5705         row_type const row2 = tabular.cellRow(enidx);
5706         bool first = true;
5707         for (col_type col = col1; col <= col2; col++)
5708                 for (row_type row = row1; row <= row2; row++) {
5709                         if (!first)
5710                                 retval += "\n";
5711                         else
5712                                 first = false;
5713                         retval += tabular.cellInset(row, col)->asString(intoInsets);
5714                 }
5715         return retval;
5716 }
5717
5718
5719 void InsetTabular::getSelection(Cursor & cur,
5720         row_type & rs, row_type & re, col_type & cs, col_type & ce) const
5721 {
5722         CursorSlice const & beg = cur.selBegin();
5723         CursorSlice const & end = cur.selEnd();
5724         cs = tabular.cellColumn(beg.idx());
5725         ce = tabular.cellColumn(end.idx());
5726         if (cs > ce)
5727                 swap(cs, ce);
5728
5729         rs = tabular.cellRow(beg.idx());
5730         re = tabular.cellRow(end.idx());
5731         if (rs > re)
5732                 swap(rs, re);
5733 }
5734
5735
5736 Text * InsetTabular::getText(int idx) const
5737 {
5738         return size_t(idx) < nargs() ? cell(idx)->getText(0) : 0;
5739 }
5740
5741
5742 void InsetTabular::setChange(Change const & change)
5743 {
5744         for (idx_type idx = 0; idx < nargs(); ++idx)
5745                 cell(idx)->setChange(change);
5746 }
5747
5748
5749 void InsetTabular::acceptChanges()
5750 {
5751         for (idx_type idx = 0; idx < nargs(); ++idx)
5752                 cell(idx)->acceptChanges();
5753 }
5754
5755
5756 void InsetTabular::rejectChanges()
5757 {
5758         for (idx_type idx = 0; idx < nargs(); ++idx)
5759                 cell(idx)->rejectChanges();
5760 }
5761
5762
5763 bool InsetTabular::allowParagraphCustomization(idx_type cell) const
5764 {
5765         return tabular.getPWidth(cell).zero();
5766 }
5767
5768
5769 bool InsetTabular::forcePlainLayout(idx_type cell) const
5770 {
5771         return !tabular.getPWidth(cell).zero();
5772 }
5773
5774
5775 bool InsetTabular::insertPlaintextString(BufferView & bv, docstring const & buf,
5776                                      bool usePaste)
5777 {
5778         if (buf.length() <= 0)
5779                 return true;
5780
5781         col_type cols = 1;
5782         row_type rows = 1;
5783         col_type maxCols = 1;
5784         size_t const len = buf.length();
5785         size_t p = 0;
5786
5787         while (p < len &&
5788                (p = buf.find_first_of(from_ascii("\t\n"), p)) != docstring::npos) {
5789                 switch (buf[p]) {
5790                 case '\t':
5791                         ++cols;
5792                         break;
5793                 case '\n':
5794                         if (p + 1 < len)
5795                                 ++rows;
5796                         maxCols = max(cols, maxCols);
5797                         cols = 1;
5798                         break;
5799                 }
5800                 ++p;
5801         }
5802         maxCols = max(cols, maxCols);
5803         Tabular * loctab;
5804         idx_type cell = 0;
5805         col_type ocol = 0;
5806         row_type row = 0;
5807         if (usePaste) {
5808                 paste_tabular.reset(new Tabular(buffer_, rows, maxCols));
5809                 loctab = paste_tabular.get();
5810                 cols = 0;
5811                 dirtyTabularStack(true);
5812         } else {
5813                 loctab = &tabular;
5814                 cell = bv.cursor().idx();
5815                 ocol = tabular.cellColumn(cell);
5816                 row = tabular.cellRow(cell);
5817         }
5818
5819         size_t op = 0;
5820         idx_type const cells = loctab->numberofcells;
5821         p = 0;
5822         cols = ocol;
5823         rows = loctab->nrows();
5824         col_type const columns = loctab->ncols();
5825
5826         while (cell < cells && p < len && row < rows &&
5827                (p = buf.find_first_of(from_ascii("\t\n"), p)) != docstring::npos)
5828         {
5829                 if (p >= len)
5830                         break;
5831                 switch (buf[p]) {
5832                 case '\t':
5833                         // we can only set this if we are not too far right
5834                         if (cols < columns) {
5835                                 shared_ptr<InsetTableCell> inset = loctab->cellInset(cell);
5836                                 Font const font = bv.textMetrics(&inset->text()).
5837                                         displayFont(0, 0);
5838                                 inset->setText(buf.substr(op, p - op), font,
5839                                                buffer().params().trackChanges);
5840                                 ++cols;
5841                                 ++cell;
5842                         }
5843                         break;
5844                 case '\n':
5845                         // we can only set this if we are not too far right
5846                         if (cols < columns) {
5847                                 shared_ptr<InsetTableCell> inset = tabular.cellInset(cell);
5848                                 Font const font = bv.textMetrics(&inset->text()).
5849                                         displayFont(0, 0);
5850                                 inset->setText(buf.substr(op, p - op), font,
5851                                                buffer().params().trackChanges);
5852                         }
5853                         cols = ocol;
5854                         ++row;
5855                         if (row < rows)
5856                                 cell = loctab->cellIndex(row, cols);
5857                         break;
5858                 }
5859                 ++p;
5860                 op = p;
5861         }
5862         // check for the last cell if there is no trailing '\n'
5863         if (cell < cells && op < len) {
5864                 shared_ptr<InsetTableCell> inset = loctab->cellInset(cell);
5865                 Font const font = bv.textMetrics(&inset->text()).displayFont(0, 0);
5866                 inset->setText(buf.substr(op, len - op), font,
5867                         buffer().params().trackChanges);
5868         }
5869         return true;
5870 }
5871
5872
5873 void InsetTabular::addPreview(DocIterator const & inset_pos,
5874         PreviewLoader & loader) const
5875 {
5876         DocIterator cell_pos = inset_pos;
5877
5878         cell_pos.push_back(CursorSlice(*const_cast<InsetTabular *>(this)));
5879         for (row_type r = 0; r < tabular.nrows(); ++r) {
5880                 for (col_type c = 0; c < tabular.ncols(); ++c) {
5881                         cell_pos.top().idx() = tabular.cellIndex(r, c);
5882                         tabular.cellInset(r, c)->addPreview(cell_pos, loader);
5883                 }
5884         }
5885 }
5886
5887
5888 bool InsetTabular::completionSupported(Cursor const & cur) const
5889 {
5890         Cursor const & bvCur = cur.bv().cursor();
5891         if (&bvCur.inset() != this)
5892                 return false;
5893         return cur.text()->completionSupported(cur);
5894 }
5895
5896
5897 bool InsetTabular::inlineCompletionSupported(Cursor const & cur) const
5898 {
5899         return completionSupported(cur);
5900 }
5901
5902
5903 bool InsetTabular::automaticInlineCompletion() const
5904 {
5905         return lyxrc.completion_inline_text;
5906 }
5907
5908
5909 bool InsetTabular::automaticPopupCompletion() const
5910 {
5911         return lyxrc.completion_popup_text;
5912 }
5913
5914
5915 bool InsetTabular::showCompletionCursor() const
5916 {
5917         return lyxrc.completion_cursor_text;
5918 }
5919
5920
5921 CompletionList const * InsetTabular::createCompletionList(Cursor const & cur) const
5922 {
5923         return completionSupported(cur) ? cur.text()->createCompletionList(cur) : 0;
5924 }
5925
5926
5927 docstring InsetTabular::completionPrefix(Cursor const & cur) const
5928 {
5929         if (!completionSupported(cur))
5930                 return docstring();
5931         return cur.text()->completionPrefix(cur);
5932 }
5933
5934
5935 bool InsetTabular::insertCompletion(Cursor & cur, docstring const & s, bool finished)
5936 {
5937         if (!completionSupported(cur))
5938                 return false;
5939
5940         return cur.text()->insertCompletion(cur, s, finished);
5941 }
5942
5943
5944 void InsetTabular::completionPosAndDim(Cursor const & cur, int & x, int & y,
5945                                     Dimension & dim) const
5946 {
5947         TextMetrics const & tm = cur.bv().textMetrics(cur.text());
5948         tm.completionPosAndDim(cur, x, y, dim);
5949 }
5950
5951
5952 void InsetTabular::string2params(string const & in, InsetTabular & inset)
5953 {
5954         istringstream data(in);
5955         Lexer lex;
5956         lex.setStream(data);
5957
5958         if (in.empty())
5959                 return;
5960
5961         string token;
5962         lex >> token;
5963         if (!lex || token != "tabular") {
5964                 LYXERR0("Expected arg 1 to be \"tabular\" in " << in);
5965                 return;
5966         }
5967
5968         // This is part of the inset proper that is usually swallowed
5969         // by Buffer::readInset
5970         lex >> token;
5971         if (!lex || token != "Tabular") {
5972                 LYXERR0("Expected arg 2 to be \"Tabular\" in " << in);
5973                 return;
5974         }
5975
5976         inset.read(lex);
5977 }
5978
5979
5980 string InsetTabular::params2string(InsetTabular const & inset)
5981 {
5982         ostringstream data;
5983         data << "tabular" << ' ';
5984         inset.write(data);
5985         data << "\\end_inset\n";
5986         return data.str();
5987 }
5988
5989
5990 } // namespace lyx