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  * \author Scott Kostyshak
  17  *
  18  * Full author contact details are available in file CREDITS.
  19  */
  20
  21 #include <config.h>
  22
  23 #include "InsetTabular.h"
  24
  25 #include "buffer_funcs.h"
  26 #include "Buffer.h"
  27 #include "BufferParams.h"
  28 #include "BufferView.h"
  29 #include "CoordCache.h"
  30 #include "Counters.h"
  31 #include "Cursor.h"
  32 #include "CutAndPaste.h"
  33 #include "DispatchResult.h"
  34 #include "FuncRequest.h"
  35 #include "FuncStatus.h"
  36 #include "InsetIterator.h"
  37 #include "InsetList.h"
  38 #include "Language.h"
  39 #include "LaTeXFeatures.h"
  40 #include "Lexer.h"
  41 #include "LyX.h"
  42 #include "LyXRC.h"
  43 #include "MetricsInfo.h"
  44 #include "OutputParams.h"
  45 #include "output_xhtml.h"
  46 #include "Paragraph.h"
  47 #include "ParagraphParameters.h"
  48 #include "ParIterator.h"
  49 #include "TexRow.h"
  50 #include "texstream.h"
  51 #include "TextClass.h"
  52 #include "TextMetrics.h"
  53
  54 #include "frontends/Application.h"
  55 #include "frontends/alert.h"
  56 #include "frontends/Clipboard.h"
  57 #include "frontends/Painter.h"
  58 #include "frontends/Selection.h"
  59
  60 #include "support/convert.h"
  61 #include "support/debug.h"
  62 #include "support/docstream.h"
  63 #include "support/FileName.h"
  64 #include "support/gettext.h"
  65 #include "support/lassert.h"
  66 #include "support/lstrings.h"
  67 #include "support/unique_ptr.h"
  68
  69 #include <cstring>
  70 #include <iomanip>
  71 #include <iostream>
  72 #include <limits>
  73 #include <sstream>
  74
  75 using namespace std;
  76 using namespace lyx::support;
  77
  78
  79
  80 namespace lyx {
  81
  82 using cap::dirtyTabularStack;
  83 using cap::tabularStackDirty;
  84
  85 using graphics::PreviewLoader;
  86
  87 using frontend::Painter;
  88 using frontend::Clipboard;
  89
  90 namespace Alert = frontend::Alert;
  91
  92
  93 namespace {
  94
  95 int const ADD_TO_HEIGHT = 2; // in cell
  96 int const ADD_TO_TABULAR_WIDTH = 6; // horizontal space before and after the table
  97 int const default_line_space = 10; // ?
  98 int const WIDTH_OF_LINE = 5; // space between double lines
  99
 100
 101 ///
 102 unique_ptr<Tabular> paste_tabular;
 103
 104
 105 struct TabularFeature {
 106         Tabular::Feature action;
 107         string feature;
 108         bool need_value;
 109 };
 110
 111
 112 TabularFeature tabularFeature[] =
 113 {
 114         // the SET/UNSET actions are used by the table dialog,
 115         // the TOGGLE actions by the table toolbar buttons
 116         // FIXME: these values have been hardcoded in InsetMathGrid and other
 117         // math insets.
 118         { Tabular::APPEND_ROW, "append-row", false },
 119         { Tabular::APPEND_COLUMN, "append-column", false },
 120         { Tabular::DELETE_ROW, "delete-row", false },
 121         { Tabular::DELETE_COLUMN, "delete-column", false },
 122         { Tabular::COPY_ROW, "copy-row", false },
 123         { Tabular::COPY_COLUMN, "copy-column", false },
 124         { Tabular::MOVE_COLUMN_RIGHT, "move-column-right", false },
 125         { Tabular::MOVE_COLUMN_LEFT, "move-column-left", false },
 126         { Tabular::MOVE_ROW_DOWN, "move-row-down", false },
 127         { Tabular::MOVE_ROW_UP, "move-row-up", false },
 128         { Tabular::SET_LINE_TOP, "set-line-top", true },
 129         { Tabular::SET_LINE_BOTTOM, "set-line-bottom", true },
 130         { Tabular::SET_LINE_LEFT, "set-line-left", true },
 131         { Tabular::SET_LINE_RIGHT, "set-line-right", true },
 132         { Tabular::TOGGLE_LINE_TOP, "toggle-line-top", false },
 133         { Tabular::TOGGLE_LINE_BOTTOM, "toggle-line-bottom", false },
 134         { Tabular::TOGGLE_LINE_LEFT, "toggle-line-left", false },
 135         { Tabular::TOGGLE_LINE_RIGHT, "toggle-line-right", false },
 136         { Tabular::ALIGN_LEFT, "align-left", false },
 137         { Tabular::ALIGN_RIGHT, "align-right", false },
 138         { Tabular::ALIGN_CENTER, "align-center", false },
 139         { Tabular::ALIGN_BLOCK, "align-block", false },
 140         { Tabular::ALIGN_DECIMAL, "align-decimal", false },
 141         { Tabular::VALIGN_TOP, "valign-top", false },
 142         { Tabular::VALIGN_BOTTOM, "valign-bottom", false },
 143         { Tabular::VALIGN_MIDDLE, "valign-middle", false },
 144         { Tabular::M_ALIGN_LEFT, "m-align-left", false },
 145         { Tabular::M_ALIGN_RIGHT, "m-align-right", false },
 146         { Tabular::M_ALIGN_CENTER, "m-align-center", false },
 147         { Tabular::M_VALIGN_TOP, "m-valign-top", false },
 148         { Tabular::M_VALIGN_BOTTOM, "m-valign-bottom", false },
 149         { Tabular::M_VALIGN_MIDDLE, "m-valign-middle", false },
 150         { Tabular::MULTICOLUMN, "multicolumn", false },
 151         { Tabular::SET_MULTICOLUMN, "set-multicolumn", false },
 152         { Tabular::UNSET_MULTICOLUMN, "unset-multicolumn", false },
 153         { Tabular::MULTIROW, "multirow", false },
 154         { Tabular::SET_MULTIROW, "set-multirow", false },
 155         { Tabular::UNSET_MULTIROW, "unset-multirow", false },
 156         { Tabular::SET_MROFFSET, "set-mroffset", true },
 157         { Tabular::SET_ALL_LINES, "set-all-lines", false },
 158         { Tabular::UNSET_ALL_LINES, "unset-all-lines", false },
 159         { Tabular::TOGGLE_LONGTABULAR, "toggle-longtabular", false },
 160         { Tabular::SET_LONGTABULAR, "set-longtabular", false },
 161         { Tabular::UNSET_LONGTABULAR, "unset-longtabular", false },
 162         { Tabular::SET_PWIDTH, "set-pwidth", true },
 163         { Tabular::SET_MPWIDTH, "set-mpwidth", true },
 164         { Tabular::SET_ROTATE_TABULAR, "set-rotate-tabular", true },
 165         { Tabular::UNSET_ROTATE_TABULAR, "unset-rotate-tabular", true },
 166         { Tabular::TOGGLE_ROTATE_TABULAR, "toggle-rotate-tabular", true },
 167         { Tabular::SET_ROTATE_CELL, "set-rotate-cell", true },
 168         { Tabular::UNSET_ROTATE_CELL, "unset-rotate-cell", true },
 169         { Tabular::TOGGLE_ROTATE_CELL, "toggle-rotate-cell", true },
 170         { Tabular::SET_USEBOX, "set-usebox", true },
 171         { Tabular::SET_LTHEAD, "set-lthead", true },
 172         { Tabular::UNSET_LTHEAD, "unset-lthead", true },
 173         { Tabular::SET_LTFIRSTHEAD, "set-ltfirsthead", true },
 174         { Tabular::UNSET_LTFIRSTHEAD, "unset-ltfirsthead", true },
 175         { Tabular::SET_LTFOOT, "set-ltfoot", true },
 176         { Tabular::UNSET_LTFOOT, "unset-ltfoot", true },
 177         { Tabular::SET_LTLASTFOOT, "set-ltlastfoot", true },
 178         { Tabular::UNSET_LTLASTFOOT, "unset-ltlastfoot", true },
 179         { Tabular::SET_LTNEWPAGE, "set-ltnewpage", false },
 180         { Tabular::UNSET_LTNEWPAGE, "unset-ltnewpage", false },
 181         { Tabular::TOGGLE_LTCAPTION, "toggle-ltcaption", false },
 182         { Tabular::SET_LTCAPTION, "set-ltcaption", false },
 183         { Tabular::UNSET_LTCAPTION, "unset-ltcaption", false },
 184         { Tabular::SET_SPECIAL_COLUMN, "set-special-column", true },
 185         { Tabular::SET_SPECIAL_MULTICOLUMN, "set-special-multicolumn", true },
 186         { Tabular::TOGGLE_BOOKTABS, "toggle-booktabs", false },
 187         { Tabular::SET_BOOKTABS, "set-booktabs", false },
 188         { Tabular::UNSET_BOOKTABS, "unset-booktabs", false },
 189         { Tabular::SET_TOP_SPACE, "set-top-space", true },
 190         { Tabular::SET_BOTTOM_SPACE, "set-bottom-space", true },
 191         { Tabular::SET_INTERLINE_SPACE, "set-interline-space", true },
 192         { Tabular::SET_BORDER_LINES, "set-border-lines", false },
 193         { Tabular::TABULAR_VALIGN_TOP, "tabular-valign-top", false},
 194         { Tabular::TABULAR_VALIGN_MIDDLE, "tabular-valign-middle", false},
 195         { Tabular::TABULAR_VALIGN_BOTTOM, "tabular-valign-bottom", false},
 196         { Tabular::LONGTABULAR_ALIGN_LEFT, "longtabular-align-left", false },
 197         { Tabular::LONGTABULAR_ALIGN_CENTER, "longtabular-align-center", false },
 198         { Tabular::LONGTABULAR_ALIGN_RIGHT, "longtabular-align-right", false },
 199         { Tabular::SET_DECIMAL_POINT, "set-decimal-point", true },
 200         { Tabular::SET_TABULAR_WIDTH, "set-tabular-width", true },
 201         { Tabular::LAST_ACTION, "", false }
 202 };
 203
 204
 205 string const tostr(LyXAlignment const & num)
 206 {
 207         switch (num) {
 208         case LYX_ALIGN_NONE:
 209                 return "none";
 210         case LYX_ALIGN_BLOCK:
 211                 return "block";
 212         case LYX_ALIGN_LEFT:
 213                 return "left";
 214         case LYX_ALIGN_CENTER:
 215                 return "center";
 216         case LYX_ALIGN_RIGHT:
 217                 return "right";
 218         case LYX_ALIGN_LAYOUT:
 219                 return "layout";
 220         case LYX_ALIGN_SPECIAL:
 221                 return "special";
 222         case LYX_ALIGN_DECIMAL:
 223                 return "decimal";
 224         }
 225         return string();
 226 }
 227
 228
 229 string const tostr(Tabular::HAlignment const & num)
 230 {
 231         switch (num) {
 232         case Tabular::LYX_LONGTABULAR_ALIGN_LEFT:
 233                 return "left";
 234         case Tabular::LYX_LONGTABULAR_ALIGN_CENTER:
 235                 return "center";
 236         case Tabular::LYX_LONGTABULAR_ALIGN_RIGHT:
 237                 return "right";
 238         }
 239         return string();
 240 }
 241
 242
 243 string const tostr(Tabular::VAlignment const & num)
 244 {
 245         switch (num) {
 246         case Tabular::LYX_VALIGN_TOP:
 247                 return "top";
 248         case Tabular::LYX_VALIGN_MIDDLE:
 249                 return "middle";
 250         case Tabular::LYX_VALIGN_BOTTOM:
 251                 return "bottom";
 252         }
 253         return string();
 254 }
 255
 256
 257 string const tostr(Tabular::BoxType const & num)
 258 {
 259         switch (num) {
 260         case Tabular::BOX_NONE:
 261                 return "none";
 262         case Tabular::BOX_PARBOX:
 263                 return "parbox";
 264         case Tabular::BOX_MINIPAGE:
 265                 return "minipage";
 266         }
 267         return string();
 268 }
 269
 270
 271 // I would have liked a fromstr template a lot better. (Lgb)
 272 bool string2type(string const & str, LyXAlignment & num)
 273 {
 274         if (str == "none")
 275                 num = LYX_ALIGN_NONE;
 276         else if (str == "block")
 277                 num = LYX_ALIGN_BLOCK;
 278         else if (str == "left")
 279                 num = LYX_ALIGN_LEFT;
 280         else if (str == "center")
 281                 num = LYX_ALIGN_CENTER;
 282         else if (str == "right")
 283                 num = LYX_ALIGN_RIGHT;
 284         else if (str == "decimal")
 285                 num = LYX_ALIGN_DECIMAL;
 286         else
 287                 return false;
 288         return true;
 289 }
 290
 291
 292 bool string2type(string const & str, Tabular::HAlignment & num)
 293 {
 294         if (str == "left")
 295                 num = Tabular::LYX_LONGTABULAR_ALIGN_LEFT;
 296         else if (str == "center" )
 297                 num = Tabular::LYX_LONGTABULAR_ALIGN_CENTER;
 298         else if (str == "right")
 299                 num = Tabular::LYX_LONGTABULAR_ALIGN_RIGHT;
 300         else
 301                 return false;
 302         return true;
 303 }
 304
 305
 306 bool string2type(string const & str, Tabular::VAlignment & num)
 307 {
 308         if (str == "top")
 309                 num = Tabular::LYX_VALIGN_TOP;
 310         else if (str == "middle" )
 311                 num = Tabular::LYX_VALIGN_MIDDLE;
 312         else if (str == "bottom")
 313                 num = Tabular::LYX_VALIGN_BOTTOM;
 314         else
 315                 return false;
 316         return true;
 317 }
 318
 319
 320 bool string2type(string const & str, Tabular::BoxType & num)
 321 {
 322         if (str == "none")
 323                 num = Tabular::BOX_NONE;
 324         else if (str == "parbox")
 325                 num = Tabular::BOX_PARBOX;
 326         else if (str == "minipage")
 327                 num = Tabular::BOX_MINIPAGE;
 328         else
 329                 return false;
 330         return true;
 331 }
 332
 333
 334 bool string2type(string const & str, bool & num)
 335 {
 336         if (str == "true")
 337                 num = true;
 338         else if (str == "false")
 339                 num = false;
 340         else
 341                 return false;
 342         return true;
 343 }
 344
 345
 346 bool getTokenValue(string const & str, char const * token, string & ret)
 347 {
 348         ret.erase();
 349         size_t token_length = strlen(token);
 350         size_t pos = str.find(token);
 351
 352         if (pos == string::npos || pos + token_length + 1 >= str.length()
 353                 || str[pos + token_length] != '=')
 354                 return false;
 355         pos += token_length + 1;
 356         char ch = str[pos];
 357         if (ch != '"' && ch != '\'') { // only read till next space
 358                 ret += ch;
 359                 ch = ' ';
 360         }
 361         while (pos < str.length() - 1 && str[++pos] != ch)
 362                 ret += str[pos];
 363
 364         return true;
 365 }
 366
 367
 368 bool getTokenValue(string const & str, char const * token, docstring & ret)
 369 {
 370         string tmp;
 371         bool const success = getTokenValue(str, token, tmp);
 372         ret = from_utf8(tmp);
 373         return success;
 374 }
 375
 376
 377 bool getTokenValue(string const & str, char const * token, int & num)
 378 {
 379         string tmp;
 380         num = 0;
 381         if (!getTokenValue(str, token, tmp))
 382                 return false;
 383         num = convert<int>(tmp);
 384         return true;
 385 }
 386
 387
 388 bool getTokenValue(string const & str, char const * token, LyXAlignment & num)
 389 {
 390         string tmp;
 391         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 392 }
 393
 394
 395 bool getTokenValue(string const & str, char const * token,
 396                                    Tabular::HAlignment & num)
 397 {
 398         string tmp;
 399         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 400 }
 401
 402
 403 bool getTokenValue(string const & str, char const * token,
 404                                    Tabular::VAlignment & num)
 405 {
 406         string tmp;
 407         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 408 }
 409
 410
 411 bool getTokenValue(string const & str, char const * token,
 412                                    Tabular::BoxType & num)
 413 {
 414         string tmp;
 415         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 416 }
 417
 418
 419 bool getTokenValue(string const & str, char const * token, bool & flag)
 420 {
 421         // set the flag always to false as this should be the default for bools
 422         // not in the file-format.
 423         flag = false;
 424         string tmp;
 425         return getTokenValue(str, token, tmp) && string2type(tmp, flag);
 426 }
 427
 428
 429 bool getTokenValue(string const & str, char const * token, Length & len)
 430 {
 431         // set the length to be zero() as default as this it should be if not
 432         // in the file format.
 433         len = Length();
 434         string tmp;
 435         return getTokenValue(str, token, tmp) && isValidLength(tmp, &len);
 436 }
 437
 438
 439 bool getTokenValue(string const & str, char const * token, Length & len, bool & flag)
 440 {
 441         len = Length();
 442         flag = false;
 443         string tmp;
 444         if (!getTokenValue(str, token, tmp))
 445                 return false;
 446         if (tmp == "default") {
 447                 flag = true;
 448                 return  true;
 449         }
 450         return isValidLength(tmp, &len);
 451 }
 452
 453
 454 void l_getline(istream & is, string & str)
 455 {
 456         str.erase();
 457         while (str.empty()) {
 458                 getline(is, str);
 459                 if (!str.empty() && str[str.length() - 1] == '\r')
 460                         str.erase(str.length() - 1);
 461         }
 462 }
 463
 464 template <class T>
 465 string const write_attribute(string const & name, T const & t)
 466 {
 467         string const s = tostr(t);
 468         return s.empty() ? s : " " + name + "=\"" + s + "\"";
 469 }
 470
 471 template <>
 472 string const write_attribute(string const & name, string const & t)
 473 {
 474         return t.empty() ? t : " " + name + "=\"" + t + "\"";
 475 }
 476
 477
 478 template <>
 479 string const write_attribute(string const & name, docstring const & t)
 480 {
 481         return t.empty() ? string() : " " + name + "=\"" + to_utf8(t) + "\"";
 482 }
 483
 484
 485 template <>
 486 string const write_attribute(string const & name, bool const & b)
 487 {
 488         // we write only true attribute values so we remove a bit of the
 489         // file format bloat for tabulars.
 490         return b ? write_attribute(name, convert<string>(b)) : string();
 491 }
 492
 493
 494 template <>
 495 string const write_attribute(string const & name, int const & i)
 496 {
 497         // we write only true attribute values so we remove a bit of the
 498         // file format bloat for tabulars.
 499         return i ? write_attribute(name, convert<string>(i)) : string();
 500 }
 501
 502
 503 template <>
 504 string const write_attribute(string const & name, Tabular::idx_type const & i)
 505 {
 506         // we write only true attribute values so we remove a bit of the
 507         // file format bloat for tabulars.
 508         return i ? write_attribute(name, convert<string>(i)) : string();
 509 }
 510
 511
 512 template <>
 513 string const write_attribute(string const & name, Length const & value)
 514 {
 515         // we write only the value if we really have one same reson as above.
 516         return value.zero() ? string() : write_attribute(name, value.asString());
 517 }
 518
 519 } // namespace
 520
 521
 522 string const featureAsString(Tabular::Feature action)
 523 {
 524         for (size_t i = 0; i != Tabular::LAST_ACTION; ++i) {
 525                 if (tabularFeature[i].action == action)
 526                         return tabularFeature[i].feature;
 527         }
 528         return string();
 529 }
 530
 531
 532 DocIterator separatorPos(InsetTableCell const * cell, docstring const & align_d)
 533 {
 534         DocIterator dit = doc_iterator_begin(&(cell->buffer()), cell);
 535         for (; dit; dit.forwardChar())
 536                 if (dit.inTexted() && dit.depth() == 1
 537                         && dit.paragraph().find(align_d, false, false, dit.pos()))
 538                         break;
 539
 540         return dit;
 541 }
 542
 543
 544 InsetTableCell splitCell(InsetTableCell & head, docstring const & align_d, bool & hassep)
 545 {
 546         InsetTableCell tail = InsetTableCell(head);
 547         DocIterator const dit = separatorPos(&head, align_d);
 548         hassep = (bool)dit;
 549         if (hassep) {
 550                 pit_type const psize = head.paragraphs().front().size();
 551                 head.paragraphs().front().eraseChars(dit.pos(), psize, false);
 552                 tail.paragraphs().front().eraseChars(0,
 553                         dit.pos() < psize ? dit.pos() + 1 : psize, false);
 554         }
 555
 556         return tail;
 557 }
 558
 559
 560 /////////////////////////////////////////////////////////////////////
 561 //
 562 // Tabular
 563 //
 564 /////////////////////////////////////////////////////////////////////
 565
 566
 567 Tabular::CellData::CellData(Buffer * buf)
 568         : cellno(0),
 569           width(0),
 570           multicolumn(Tabular::CELL_NORMAL),
 571           multirow(Tabular::CELL_NORMAL),
 572           alignment(LYX_ALIGN_CENTER),
 573           valignment(LYX_VALIGN_TOP),
 574           decimal_hoffset(0),
 575           decimal_width(0),
 576           voffset(0),
 577           top_line(false),
 578           bottom_line(false),
 579           left_line(false),
 580           right_line(false),
 581           usebox(BOX_NONE),
 582           rotate(0),
 583           inset(new InsetTableCell(buf))
 584 {
 585         inset->setBuffer(*buf);
 586 }
 587
 588
 589 Tabular::CellData::CellData(CellData const & cs)
 590         : cellno(cs.cellno),
 591           width(cs.width),
 592           multicolumn(cs.multicolumn),
 593           multirow(cs.multirow),
 594           mroffset(cs.mroffset),
 595           alignment(cs.alignment),
 596           valignment(cs.valignment),
 597           decimal_hoffset(cs.decimal_hoffset),
 598           decimal_width(cs.decimal_width),
 599           voffset(cs.voffset),
 600           top_line(cs.top_line),
 601           bottom_line(cs.bottom_line),
 602           left_line(cs.left_line),
 603           right_line(cs.right_line),
 604           usebox(cs.usebox),
 605           rotate(cs.rotate),
 606           align_special(cs.align_special),
 607           p_width(cs.p_width),
 608           inset(static_cast<InsetTableCell *>(cs.inset->clone()))
 609 {
 610 }
 611
 612 Tabular::CellData & Tabular::CellData::operator=(CellData const & cs)
 613 {
 614         if (&cs == this)
 615                 return *this;
 616         cellno = cs.cellno;
 617         width = cs.width;
 618         multicolumn = cs.multicolumn;
 619         multirow = cs.multirow;
 620         mroffset = cs.mroffset;
 621         alignment = cs.alignment;
 622         valignment = cs.valignment;
 623         decimal_hoffset = cs.decimal_hoffset;
 624         decimal_width = cs.decimal_width;
 625         voffset = cs.voffset;
 626         top_line = cs.top_line;
 627         bottom_line = cs.bottom_line;
 628         left_line = cs.left_line;
 629         right_line = cs.right_line;
 630         usebox = cs.usebox;
 631         rotate = cs.rotate;
 632         align_special = cs.align_special;
 633         p_width = cs.p_width;
 634         inset.reset(static_cast<InsetTableCell *>(cs.inset->clone()));
 635         return *this;
 636 }
 637
 638 Tabular::RowData::RowData()
 639         : ascent(0),
 640           descent(0),
 641           top_space_default(false),
 642           bottom_space_default(false),
 643           interline_space_default(false),
 644           endhead(false),
 645           endfirsthead(false),
 646           endfoot(false),
 647           endlastfoot(false),
 648           newpage(false),
 649           caption(false)
 650 {}
 651
 652
 653 Tabular::ColumnData::ColumnData()
 654         : alignment(LYX_ALIGN_CENTER),
 655           valignment(LYX_VALIGN_TOP),
 656           width(0)
 657 {
 658 }
 659
 660
 661 Tabular::ltType::ltType()
 662         : set(false), topDL(false),
 663           bottomDL(false),
 664           empty(false)
 665 {}
 666
 667
 668 Tabular::Tabular(Buffer * buffer, row_type rows_arg, col_type columns_arg)
 669 {
 670         init(buffer, rows_arg, columns_arg);
 671 }
 672
 673
 674 void Tabular::setBuffer(Buffer & buffer)
 675 {
 676         buffer_ = &buffer;
 677         for (row_type i = 0; i < nrows(); ++i)
 678                 for (col_type j = 0; j < ncols(); ++j)
 679                         cell_info[i][j].inset->setBuffer(*buffer_);
 680 }
 681
 682
 683 // activates all lines and sets all widths to 0
 684 void Tabular::init(Buffer * buf, row_type rows_arg,
 685                       col_type columns_arg)
 686 {
 687         buffer_ = buf;
 688         row_info = row_vector(rows_arg);
 689         column_info = column_vector(columns_arg);
 690         cell_info = cell_vvector(rows_arg, cell_vector(columns_arg, CellData(buf)));
 691         row_info.reserve(10);
 692         column_info.reserve(10);
 693         cell_info.reserve(100);
 694         updateIndexes();
 695         is_long_tabular = false;
 696         tabular_valignment = LYX_VALIGN_MIDDLE;
 697         tabular_width = Length();
 698         longtabular_alignment = LYX_LONGTABULAR_ALIGN_CENTER;
 699         rotate = 0;
 700         use_booktabs = false;
 701         // set silly default lines
 702         for (row_type r = 0; r < nrows(); ++r)
 703                 for (col_type c = 0; c < ncols(); ++c) {
 704                         cell_info[r][c].inset->setBuffer(*buffer_);
 705                         cell_info[r][c].top_line = true;
 706                         cell_info[r][c].left_line = true;
 707                         cell_info[r][c].bottom_line = r == 0 || r == nrows() - 1;
 708                         cell_info[r][c].right_line = c == ncols() - 1;
 709                 }
 710 }
 711
 712
 713 void Tabular::deleteRow(row_type const row)
 714 {
 715         // Not allowed to delete last row
 716         if (nrows() == 1)
 717                 return;
 718
 719         for (col_type c = 0; c < ncols(); ++c) {
 720                 // Care about multirow cells
 721                 if (row + 1 < nrows() &&
 722                     cell_info[row][c].multirow == CELL_BEGIN_OF_MULTIROW &&
 723                     cell_info[row + 1][c].multirow == CELL_PART_OF_MULTIROW) {
 724                                 cell_info[row + 1][c].multirow = CELL_BEGIN_OF_MULTIROW;
 725                 }
 726         }
 727         row_info.erase(row_info.begin() + row);
 728         cell_info.erase(cell_info.begin() + row);
 729         updateIndexes();
 730 }
 731
 732
 733 void Tabular::copyRow(row_type const row)
 734 {
 735         insertRow(row, true);
 736 }
 737
 738
 739 void Tabular::appendRow(row_type row)
 740 {
 741         insertRow(row, false);
 742 }
 743
 744
 745 void Tabular::insertRow(row_type const row, bool copy)
 746 {
 747         row_info.insert(row_info.begin() + row + 1, RowData(row_info[row]));
 748         cell_info.insert(cell_info.begin() + row + 1,
 749                 cell_vector(0, CellData(buffer_)));
 750
 751         for (col_type c = 0; c < ncols(); ++c) {
 752                 cell_info[row + 1].insert(cell_info[row + 1].begin() + c,
 753                         copy ? CellData(cell_info[row][c]) : CellData(buffer_));
 754                 if (buffer().params().track_changes)
 755                         cell_info[row + 1][c].inset->setChange(Change(Change::INSERTED));
 756                 if (cell_info[row][c].multirow == CELL_BEGIN_OF_MULTIROW)
 757                         cell_info[row + 1][c].multirow = CELL_PART_OF_MULTIROW;
 758         }
 759
 760         updateIndexes();
 761         for (col_type c = 0; c < ncols(); ++c) {
 762                 if (isPartOfMultiRow(row, c))
 763                         continue;
 764                 // inherit line settings
 765                 idx_type const i = cellIndex(row + 1, c);
 766                 idx_type const j = cellIndex(row, c);
 767                 setLeftLine(i, leftLine(j));
 768                 setRightLine(i, rightLine(j));
 769                 setTopLine(i, topLine(j));
 770                 if (topLine(j) && bottomLine(j)) {
 771                         setBottomLine(i, true);
 772                         setBottomLine(j, false);
 773                 }
 774                 // mark track changes
 775                 if (buffer().params().track_changes)
 776                         cellInfo(i).inset->setChange(Change(Change::INSERTED));
 777         }
 778 }
 779
 780
 781 void Tabular::moveColumn(col_type col, ColDirection direction)
 782 {
 783         if (direction == Tabular::LEFT)
 784                 col = col - 1;
 785
 786         std::swap(column_info[col], column_info[col + 1]);
 787
 788         for (row_type r = 0; r < nrows(); ++r) {
 789                 std::swap(cell_info[r][col], cell_info[r][col + 1]);
 790                 std::swap(cell_info[r][col].left_line, cell_info[r][col + 1].left_line);
 791                 std::swap(cell_info[r][col].right_line, cell_info[r][col + 1].right_line);
 792
 793                 // FIXME track changes is broken for tabular features (#8469)
 794                 idx_type const i = cellIndex(r, col);
 795                 idx_type const j = cellIndex(r, col + 1);
 796                 if (buffer().params().track_changes) {
 797                         cellInfo(i).inset->setChange(Change(Change::INSERTED));
 798                         cellInfo(j).inset->setChange(Change(Change::INSERTED));
 799                 }
 800         }
 801         updateIndexes();
 802 }
 803
 804
 805 void Tabular::moveRow(row_type row, RowDirection direction)
 806 {
 807         if (direction == Tabular::UP)
 808                 row = row - 1;
 809
 810         std::swap(row_info[row], row_info[row + 1]);
 811
 812         for (col_type c = 0; c < ncols(); ++c) {
 813                 std::swap(cell_info[row][c], cell_info[row + 1][c]);
 814                 std::swap(cell_info[row][c].top_line, cell_info[row + 1][c].top_line);
 815                 std::swap(cell_info[row][c].bottom_line, cell_info[row + 1][c].bottom_line);
 816
 817                 // FIXME track changes is broken for tabular features (#8469)
 818                 idx_type const i = cellIndex(row, c);
 819                 idx_type const j = cellIndex(row + 1, c);
 820                 if (buffer().params().track_changes) {
 821                         cellInfo(i).inset->setChange(Change(Change::INSERTED));
 822                         cellInfo(j).inset->setChange(Change(Change::INSERTED));
 823                 }
 824         }
 825         updateIndexes();
 826 }
 827
 828
 829 void Tabular::deleteColumn(col_type const col)
 830 {
 831         // Not allowed to delete last column
 832         if (ncols() == 1)
 833                 return;
 834
 835         for (row_type r = 0; r < nrows(); ++r) {
 836                 // Care about multicolumn cells
 837                 if (col + 1 < ncols() &&
 838                     cell_info[r][col].multicolumn == CELL_BEGIN_OF_MULTICOLUMN &&
 839                     cell_info[r][col + 1].multicolumn == CELL_PART_OF_MULTICOLUMN) {
 840                                 cell_info[r][col + 1].multicolumn = CELL_BEGIN_OF_MULTICOLUMN;
 841                 }
 842                 cell_info[r].erase(cell_info[r].begin() + col);
 843         }
 844         column_info.erase(column_info.begin() + col);
 845         updateIndexes();
 846 }
 847
 848
 849 void Tabular::copyColumn(col_type const col)
 850 {
 851         insertColumn(col, true);
 852 }
 853
 854
 855 void Tabular::appendColumn(col_type col)
 856 {
 857         insertColumn(col, false);
 858 }
 859
 860
 861 void Tabular::insertColumn(col_type const col, bool copy)
 862 {
 863         BufferParams const & bp = buffer().params();
 864         column_info.insert(column_info.begin() + col + 1, ColumnData(column_info[col]));
 865
 866         for (row_type r = 0; r < nrows(); ++r) {
 867                 cell_info[r].insert(cell_info[r].begin() + col + 1,
 868                         copy ? CellData(cell_info[r][col]) : CellData(buffer_));
 869                 if (bp.track_changes)
 870                         cell_info[r][col + 1].inset->setChange(Change(Change::INSERTED));
 871                 if (cell_info[r][col].multicolumn == CELL_BEGIN_OF_MULTICOLUMN)
 872                         cell_info[r][col + 1].multicolumn = CELL_PART_OF_MULTICOLUMN;
 873         }
 874         updateIndexes();
 875         for (row_type r = 0; r < nrows(); ++r) {
 876                 // inherit line settings
 877                 idx_type const i = cellIndex(r, col + 1);
 878                 idx_type const j = cellIndex(r, col);
 879                 setBottomLine(i, bottomLine(j));
 880                 setTopLine(i, topLine(j));
 881                 setLeftLine(i, leftLine(j));
 882                 setRightLine(i, rightLine(j));
 883                 if (rightLine(i) && rightLine(j)) {
 884                         setRightLine(j, false);
 885                 }
 886                 if (buffer().params().track_changes)
 887                         cellInfo(i).inset->setChange(Change(Change::INSERTED));
 888         }
 889 }
 890
 891
 892 void Tabular::updateIndexes()
 893 {
 894         setBuffer(buffer());
 895         numberofcells = 0;
 896         // reset cell number
 897         for (row_type row = 0; row < nrows(); ++row)
 898                 for (col_type column = 0; column < ncols(); ++column) {
 899                         if (!isPartOfMultiColumn(row, column)
 900                                 && !isPartOfMultiRow(row, column))
 901                                 ++numberofcells;
 902                         if (isPartOfMultiRow(row, column))
 903                                 cell_info[row][column].cellno = cell_info[row - 1][column].cellno;
 904                         else
 905                                 cell_info[row][column].cellno = numberofcells - 1;
 906                 }
 907
 908         rowofcell.resize(numberofcells);
 909         columnofcell.resize(numberofcells);
 910         idx_type i = 0;
 911         // reset column and row of cells and update their width and alignment
 912         for (row_type row = 0; row < nrows(); ++row)
 913                 for (col_type column = 0; column < ncols(); ++column) {
 914                         if (isPartOfMultiColumn(row, column))
 915                                 continue;
 916                         // columnofcell needs to be called before setting width and aligment
 917                         // multirow cells inherit the width from the column width
 918                         if (!isPartOfMultiRow(row, column)) {
 919                                 columnofcell[i] = column;
 920                                 rowofcell[i] = row;
 921                         }
 922                         setFixedWidth(row, column);
 923                         if (isPartOfMultiRow(row, column))
 924                                 continue;
 925                         cell_info[row][column].inset->setContentAlignment(
 926                                 getAlignment(cellIndex(row, column)));
 927                         ++i;
 928                 }
 929 }
 930
 931
 932 Tabular::idx_type Tabular::numberOfCellsInRow(row_type const row) const
 933 {
 934         idx_type result = 0;
 935         for (col_type c = 0; c < ncols(); ++c)
 936                 if (cell_info[row][c].multicolumn != Tabular::CELL_PART_OF_MULTICOLUMN)
 937                         ++result;
 938         return result;
 939 }
 940
 941
 942 bool Tabular::topLine(idx_type const cell) const
 943 {
 944         return cellInfo(cell).top_line;
 945 }
 946
 947
 948 bool Tabular::bottomLine(idx_type const cell) const
 949 {
 950         return cellInfo(cell).bottom_line;
 951 }
 952
 953
 954 bool Tabular::leftLine(idx_type cell) const
 955 {
 956         if (use_booktabs)
 957                 return false;
 958         return cellInfo(cell).left_line;
 959 }
 960
 961
 962 bool Tabular::rightLine(idx_type cell) const
 963 {
 964         if (use_booktabs)
 965                 return false;
 966         return cellInfo(cell).right_line;
 967 }
 968
 969
 970 int Tabular::interRowSpace(row_type row) const
 971 {
 972         if (!row || row >= nrows())
 973                 return 0;
 974
 975         int const interline_space = row_info[row - 1].interline_space_default ?
 976                 default_line_space :
 977                 row_info[row - 1].interline_space.inPixels(width());
 978         if (rowTopLine(row) && rowBottomLine(row - 1))
 979                 return interline_space + WIDTH_OF_LINE;
 980         return interline_space;
 981 }
 982
 983
 984 int Tabular::interColumnSpace(idx_type cell) const
 985 {
 986         col_type const nextcol = cellColumn(cell) + columnSpan(cell);
 987         if (rightLine(cell) && nextcol < ncols()
 988                 && leftLine(cellIndex(cellRow(cell), nextcol)))
 989                 return WIDTH_OF_LINE;
 990         return 0;
 991 }
 992
 993
 994 int Tabular::cellWidth(idx_type cell) const
 995 {
 996         int w = 0;
 997         col_type const span = columnSpan(cell);
 998         col_type const col = cellColumn(cell);
 999         for(col_type c = col; c < col + span ; ++c)
1000                 w += column_info[c].width;
1001         return w;
1002 }
1003
1004
1005 int Tabular::cellHeight(idx_type cell) const
1006 {
1007         row_type const span = rowSpan(cell);
1008         row_type const row = cellRow(cell);
1009         int h = 0;
1010         for(row_type r = row; r < row + span ; ++r) {
1011                 h += rowAscent(r) + rowDescent(r);
1012                 if (r != row + span - 1)
1013                         h += interRowSpace(r + 1);
1014         }
1015
1016         return h;
1017 }
1018
1019
1020 bool Tabular::updateColumnWidths()
1021 {
1022         vector<int> max_dwidth(ncols(), 0);
1023         for(col_type c = 0; c < ncols(); ++c)
1024                 for(row_type r = 0; r < nrows(); ++r) {
1025                         idx_type const i = cellIndex(r, c);
1026                         if (getAlignment(i) == LYX_ALIGN_DECIMAL)
1027                                 max_dwidth[c] = max(max_dwidth[c], cell_info[r][c].decimal_width);
1028                 }
1029
1030         bool update = false;
1031         // for each col get max of single col cells
1032         for(col_type c = 0; c < ncols(); ++c) {
1033                 int new_width = 0;
1034                 for(row_type r = 0; r < nrows(); ++r) {
1035                         idx_type const i = cellIndex(r, c);
1036                         if (columnSpan(i) == 1) {
1037                                 if (getAlignment(i) == LYX_ALIGN_DECIMAL
1038                                         && cell_info[r][c].decimal_width != 0)
1039                                         new_width = max(new_width, cellInfo(i).width
1040                                                 + max_dwidth[c] - cellInfo(i).decimal_width);
1041                                 else
1042                                         new_width = max(new_width, cellInfo(i).width);
1043                         }
1044                 }
1045
1046                 if (column_info[c].width != new_width) {
1047                         column_info[c].width = new_width;
1048                         update = true;
1049                 }
1050         }
1051         // update col widths to fit merged cells
1052         for(col_type c = 0; c < ncols(); ++c)
1053                 for(row_type r = 0; r < nrows(); ++r) {
1054                         idx_type const i = cellIndex(r, c);
1055                         int const span = columnSpan(i);
1056                         if (span == 1 || c > cellColumn(i))
1057                                 continue;
1058
1059                         int old_width = 0;
1060                         for(col_type j = c; j < c + span ; ++j)
1061                                 old_width += column_info[j].width;
1062
1063                         if (cellInfo(i).width > old_width) {
1064                                 column_info[c + span - 1].width += cellInfo(i).width - old_width;
1065                                 update = true;
1066                         }
1067                 }
1068
1069         return update;
1070 }
1071
1072
1073 int Tabular::width() const
1074 {
1075         int width = 0;
1076         for (col_type c = 0; c < ncols(); ++c)
1077                 width += column_info[c].width;
1078         return width;
1079 }
1080
1081
1082 void Tabular::setAlignment(idx_type cell, LyXAlignment align,
1083                               bool has_width)
1084 {
1085         col_type const col = cellColumn(cell);
1086         // set alignment for the whole row if we are not in a multicolumn cell,
1087         // exclude possible multicolumn cells in the row
1088         if (!isMultiColumn(cell)) {
1089                 for (row_type r = 0; r < nrows(); ++r) {
1090                         // only if the column has no width the multirow inherits the
1091                         // alignment of the column, otherwise it is left aligned
1092                         if (!(isMultiRow(cellIndex(r, col)) && has_width)
1093                                 && !isMultiColumn(cellIndex(r, col))) {
1094                                 cell_info[r][col].alignment = align;
1095                                 cell_info[r][col].inset->setContentAlignment(align);
1096                         }
1097                         if ((isMultiRow(cellIndex(r, col)) && has_width)
1098                                 && !isMultiColumn(cellIndex(r, col))) {
1099                                 cell_info[r][col].alignment = LYX_ALIGN_LEFT;
1100                                 cell_info[r][col].inset->setContentAlignment(LYX_ALIGN_LEFT);
1101                         }
1102                 }
1103                 column_info[col].alignment = align;
1104                 docstring & dpoint = column_info[col].decimal_point;
1105                 if (align == LYX_ALIGN_DECIMAL && dpoint.empty())
1106                         dpoint = from_utf8(lyxrc.default_decimal_point);
1107         } else {
1108                 cellInfo(cell).alignment = align;
1109                 cellInset(cell)->setContentAlignment(align);
1110         }
1111 }
1112
1113
1114 void Tabular::setVAlignment(idx_type cell, VAlignment align,
1115                                bool onlycolumn)
1116 {
1117         if (!isMultiColumn(cell) || onlycolumn)
1118                 column_info[cellColumn(cell)].valignment = align;
1119         if (!onlycolumn)
1120                 cellInfo(cell).valignment = align;
1121 }
1122
1123
1124 namespace {
1125
1126 /**
1127  * Allow line and paragraph breaks for fixed width cells or disallow them,
1128  * merge cell paragraphs and reset layout to standard for variable width
1129  * cells.
1130  */
1131 void toggleFixedWidth(Cursor & cur, InsetTableCell * inset, bool fixedWidth)
1132 {
1133         inset->toggleFixedWidth(fixedWidth);
1134         if (fixedWidth)
1135                 return;
1136
1137         // merge all paragraphs to one
1138         BufferParams const & bp = cur.bv().buffer().params();
1139         while (inset->paragraphs().size() > 1)
1140                 mergeParagraph(bp, inset->paragraphs(), 0);
1141
1142         // reset layout
1143         cur.push(*inset);
1144         // undo information has already been recorded
1145         inset->getText(0)->setLayout(0, cur.lastpit() + 1,
1146                         bp.documentClass().plainLayoutName());
1147         cur.pop();
1148 }
1149
1150 } // namespace
1151
1152
1153 void Tabular::setColumnPWidth(Cursor & cur, idx_type cell,
1154                 Length const & width)
1155 {
1156         col_type const c = cellColumn(cell);
1157
1158         column_info[c].p_width = width;
1159         // reset the vertical alignment to top if the fixed width
1160         // is removed or zero because only fixed width columns can
1161         // have a vertical alignment
1162         if (column_info[c].p_width.zero())
1163                 column_info[c].valignment = LYX_VALIGN_TOP;
1164         for (row_type r = 0; r < nrows(); ++r) {
1165                 idx_type const cell = cellIndex(r, c);
1166                 // because of multicolumns
1167                 toggleFixedWidth(cur, cellInset(cell).get(),
1168                                  !getPWidth(cell).zero());
1169                 if (isMultiRow(cell))
1170                         setAlignment(cell, LYX_ALIGN_LEFT, false);
1171         }
1172         // cur paragraph can become invalid after paragraphs were merged
1173         if (cur.pit() > cur.lastpit())
1174                 cur.pit() = cur.lastpit();
1175         // cur position can become invalid after newlines were removed
1176         if (cur.pos() > cur.lastpos())
1177                 cur.pos() = cur.lastpos();
1178 }
1179
1180
1181 bool Tabular::setFixedWidth(row_type r, col_type c)
1182 {
1183         bool const multicol = cell_info[r][c].multicolumn != CELL_NORMAL;
1184         bool const fixed_width = (!column_info[c].p_width.zero() && !multicol)
1185               || (multicol && !cell_info[r][c].p_width.zero());
1186         cell_info[r][c].inset->toggleFixedWidth(fixed_width);
1187         return fixed_width;
1188 }
1189
1190
1191 bool Tabular::setMColumnPWidth(Cursor & cur, idx_type cell,
1192                 Length const & width)
1193 {
1194         if (!isMultiColumn(cell))
1195                 return false;
1196
1197         cellInfo(cell).p_width = width;
1198         toggleFixedWidth(cur, cellInset(cell).get(), !width.zero());
1199         // cur paragraph can become invalid after paragraphs were merged
1200         if (cur.pit() > cur.lastpit())
1201                 cur.pit() = cur.lastpit();
1202         // cur position can become invalid after newlines were removed
1203         if (cur.pos() > cur.lastpos())
1204                 cur.pos() = cur.lastpos();
1205         return true;
1206 }
1207
1208
1209 bool Tabular::setMROffset(Cursor &, idx_type cell, Length const & mroffset)
1210 {
1211         cellInfo(cell).mroffset = mroffset;
1212         return true;
1213 }
1214
1215
1216 void Tabular::setAlignSpecial(idx_type cell, docstring const & special,
1217                                  Tabular::Feature what)
1218 {
1219         if (what == SET_SPECIAL_MULTICOLUMN)
1220                 cellInfo(cell).align_special = special;
1221         else
1222                 column_info[cellColumn(cell)].align_special = special;
1223 }
1224
1225
1226 void Tabular::setTopLine(idx_type i, bool line)
1227 {
1228         cellInfo(i).top_line = line;
1229 }
1230
1231
1232 void Tabular::setBottomLine(idx_type i, bool line)
1233 {
1234         cellInfo(i).bottom_line = line;
1235 }
1236
1237
1238 void Tabular::setLeftLine(idx_type cell, bool line)
1239 {
1240         cellInfo(cell).left_line = line;
1241 }
1242
1243
1244 void Tabular::setRightLine(idx_type cell, bool line)
1245 {
1246         cellInfo(cell).right_line = line;
1247 }
1248
1249 bool Tabular::rowTopLine(row_type r) const
1250 {
1251         bool all_rows_set = true;
1252         for (col_type c = 0; all_rows_set && c < ncols(); ++c)
1253                 all_rows_set = cellInfo(cellIndex(r, c)).top_line;
1254         return all_rows_set;
1255 }
1256
1257
1258 bool Tabular::rowBottomLine(row_type r) const
1259 {
1260         bool all_rows_set = true;
1261         for (col_type c = 0; all_rows_set && c < ncols(); ++c)
1262                 all_rows_set = cellInfo(cellIndex(r, c)).bottom_line;
1263         return all_rows_set;
1264 }
1265
1266
1267 bool Tabular::columnLeftLine(col_type c) const
1268 {
1269         if (use_booktabs)
1270                 return false;
1271
1272         int nrows_left = 0;
1273         int total = 0;
1274         for (row_type r = 0; r < nrows(); ++r) {
1275                 idx_type const i = cellIndex(r, c);
1276                 if (c == cellColumn(i)) {
1277                         ++total;
1278                         bool right = c > 0 && cellInfo(cellIndex(r, c - 1)).right_line;
1279                         if (cellInfo(i).left_line || right)
1280                                 ++nrows_left;
1281                 }
1282         }
1283         return 2 * nrows_left >= total;
1284 }
1285
1286
1287 bool Tabular::columnRightLine(col_type c) const
1288 {
1289         if (use_booktabs)
1290                 return false;
1291
1292         int nrows_right = 0;
1293         int total = 0;
1294         for (row_type r = 0; r < nrows(); ++r) {
1295                 idx_type i = cellIndex(r, c);
1296                 if (c == cellColumn(i) + columnSpan(i) - 1) {
1297                         ++total;
1298                         bool left = (c + 1 < ncols()
1299                                 && cellInfo(cellIndex(r, c + 1)).left_line)
1300                                 || c + 1 == ncols();
1301                         if (cellInfo(i).right_line && left)
1302                                 ++nrows_right;
1303                 }
1304         }
1305         return 2 * nrows_right >= total;
1306 }
1307
1308
1309 LyXAlignment Tabular::getAlignment(idx_type cell, bool onlycolumn) const
1310 {
1311         if (!onlycolumn && (isMultiColumn(cell) || isMultiRow(cell)))
1312                 return cellInfo(cell).alignment;
1313
1314         return column_info[cellColumn(cell)].alignment;
1315 }
1316
1317
1318 Tabular::VAlignment
1319 Tabular::getVAlignment(idx_type cell, bool onlycolumn) const
1320 {
1321         if (!onlycolumn && (isMultiColumn(cell) || isMultiRow(cell)))
1322                 return cellInfo(cell).valignment;
1323         return column_info[cellColumn(cell)].valignment;
1324 }
1325
1326
1327 int Tabular::offsetVAlignment() const
1328 {
1329         // for top-alignment the first horizontal table line must be exactly at
1330         // the position of the base line of the surrounding text line
1331         // for bottom alignment, the same is for the last table line
1332         int offset_valign = 0;
1333         switch (tabular_valignment) {
1334         case Tabular::LYX_VALIGN_BOTTOM:
1335                 offset_valign = rowAscent(0) - height();
1336                 break;
1337         case Tabular::LYX_VALIGN_MIDDLE:
1338                 offset_valign = (- height()) / 2 + rowAscent(0);
1339                 break;
1340         case Tabular::LYX_VALIGN_TOP:
1341                 offset_valign = rowAscent(0);
1342                 break;
1343         }
1344         return offset_valign;
1345 }
1346
1347
1348 Length const Tabular::getPWidth(idx_type cell) const
1349 {
1350         if (isMultiColumn(cell))
1351                 return cellInfo(cell).p_width;
1352         return column_info[cellColumn(cell)].p_width;
1353 }
1354
1355
1356 Length const Tabular::getMROffset(idx_type cell) const
1357 {
1358         return cellInfo(cell).mroffset;
1359 }
1360
1361
1362 int Tabular::textHOffset(idx_type cell) const
1363 {
1364         // the LaTeX Way :-(
1365         int x = WIDTH_OF_LINE;
1366
1367         int const w = cellWidth(cell) - cellInfo(cell).width;
1368
1369         switch (getAlignment(cell)) {
1370         case LYX_ALIGN_CENTER:
1371                 x += w / 2;
1372                 break;
1373         case LYX_ALIGN_RIGHT:
1374                 x += w;
1375                 break;
1376         case LYX_ALIGN_DECIMAL: {
1377                 // we center when no decimal point
1378                 if (cellInfo(cell).decimal_width == 0) {
1379                         x += w / 2;
1380                         break;
1381                 }
1382                 col_type const c = cellColumn(cell);
1383                 int max_dhoffset = 0;
1384                 for(row_type r = 0; r < row_info.size() ; ++r) {
1385                         idx_type const i = cellIndex(r, c);
1386                         if (getAlignment(i) == LYX_ALIGN_DECIMAL
1387                                 && cellInfo(i).decimal_width != 0)
1388                                 max_dhoffset = max(max_dhoffset, cellInfo(i).decimal_hoffset);
1389                 }
1390                 x += max_dhoffset - cellInfo(cell).decimal_hoffset;
1391         }
1392         default:
1393                 // LYX_ALIGN_LEFT: nothing :-)
1394                 break;
1395         }
1396
1397         return x;
1398 }
1399
1400
1401 int Tabular::textVOffset(idx_type cell) const
1402 {
1403         int voffset = cellInfo(cell).voffset;
1404         if (isMultiRow(cell)) {
1405                 row_type const row = cellRow(cell);
1406                 voffset += (cellHeight(cell) - rowAscent(row) - rowDescent(row))/2;
1407         }
1408         return voffset;
1409 }
1410
1411
1412 Tabular::idx_type Tabular::getFirstCellInRow(row_type row) const
1413 {
1414         col_type c = 0;
1415         idx_type const numcells = numberOfCellsInRow(row);
1416         // we check against numcells to make sure we do not crash if all the
1417         // cells are multirow (bug #7535), but in that case our return value
1418         // is really invalid, i.e., it is NOT the first cell in the row. but
1419         // i do not know what to do here. (rgh)
1420         while (c < numcells - 1
1421                && cell_info[row][c].multirow == CELL_PART_OF_MULTIROW)
1422                 ++c;
1423         return cell_info[row][c].cellno;
1424 }
1425
1426
1427 Tabular::idx_type Tabular::getLastCellInRow(row_type row) const
1428 {
1429         col_type c = ncols() - 1;
1430         // of course we check against 0 so we don't crash. but we have the same
1431         // problem as in the previous routine: if all the cells are part of a
1432         // multirow or part of a multi column, then our return value is invalid.
1433         while (c > 0
1434                && (cell_info[row][c].multirow == CELL_PART_OF_MULTIROW
1435                    || cell_info[row][c].multicolumn == CELL_PART_OF_MULTICOLUMN))
1436                 --c;
1437         return cell_info[row][c].cellno;
1438 }
1439
1440
1441 Tabular::row_type Tabular::cellRow(idx_type cell) const
1442 {
1443         if (cell >= numberofcells)
1444                 return nrows() - 1;
1445         if (cell == npos)
1446                 return 0;
1447         return rowofcell[cell];
1448 }
1449
1450
1451 Tabular::col_type Tabular::cellColumn(idx_type cell) const
1452 {
1453         if (cell >= numberofcells)
1454                 return ncols() - 1;
1455         if (cell == npos)
1456                 return 0;
1457         return columnofcell[cell];
1458 }
1459
1460
1461 void Tabular::write(ostream & os) const
1462 {
1463         // header line
1464         os << "<lyxtabular"
1465            << write_attribute("version", 3)
1466            << write_attribute("rows", nrows())
1467            << write_attribute("columns", ncols())
1468            << ">\n";
1469         // global longtable options
1470         os << "<features"
1471            << write_attribute("rotate", rotate)
1472            << write_attribute("booktabs", use_booktabs)
1473            << write_attribute("islongtable", is_long_tabular)
1474            << write_attribute("firstHeadTopDL", endfirsthead.topDL)
1475            << write_attribute("firstHeadBottomDL", endfirsthead.bottomDL)
1476            << write_attribute("firstHeadEmpty", endfirsthead.empty)
1477            << write_attribute("headTopDL", endhead.topDL)
1478            << write_attribute("headBottomDL", endhead.bottomDL)
1479            << write_attribute("footTopDL", endfoot.topDL)
1480            << write_attribute("footBottomDL", endfoot.bottomDL)
1481            << write_attribute("lastFootTopDL", endlastfoot.topDL)
1482            << write_attribute("lastFootBottomDL", endlastfoot.bottomDL)
1483            << write_attribute("lastFootEmpty", endlastfoot.empty);
1484         // longtables cannot be aligned vertically
1485         if (!is_long_tabular) {
1486                 os << write_attribute("tabularvalignment", tabular_valignment);
1487                 os << write_attribute("tabularwidth", tabular_width);
1488         }
1489         if (is_long_tabular)
1490                 os << write_attribute("longtabularalignment", longtabular_alignment);
1491         os << ">\n";
1492         for (col_type c = 0; c < ncols(); ++c) {
1493                 os << "<column"
1494                    << write_attribute("alignment", column_info[c].alignment);
1495                 if (column_info[c].alignment == LYX_ALIGN_DECIMAL)
1496                    os << write_attribute("decimal_point", column_info[c].decimal_point);
1497                 os << write_attribute("valignment", column_info[c].valignment)
1498                    << write_attribute("width", column_info[c].p_width.asString())
1499                    << write_attribute("special", column_info[c].align_special)
1500                    << ">\n";
1501         }
1502         for (row_type r = 0; r < nrows(); ++r) {
1503                 static const string def("default");
1504                 os << "<row";
1505                 if (row_info[r].top_space_default)
1506                         os << write_attribute("topspace", def);
1507                 else
1508                         os << write_attribute("topspace", row_info[r].top_space);
1509                 if (row_info[r].bottom_space_default)
1510                         os << write_attribute("bottomspace", def);
1511                 else
1512                         os << write_attribute("bottomspace", row_info[r].bottom_space);
1513                 if (row_info[r].interline_space_default)
1514                         os << write_attribute("interlinespace", def);
1515                 else
1516                         os << write_attribute("interlinespace", row_info[r].interline_space);
1517                 os << write_attribute("endhead", row_info[r].endhead)
1518                    << write_attribute("endfirsthead", row_info[r].endfirsthead)
1519                    << write_attribute("endfoot", row_info[r].endfoot)
1520                    << write_attribute("endlastfoot", row_info[r].endlastfoot)
1521                    << write_attribute("newpage", row_info[r].newpage)
1522                    << write_attribute("caption", row_info[r].caption)
1523                    << ">\n";
1524                 for (col_type c = 0; c < ncols(); ++c) {
1525                         os << "<cell"
1526                            << write_attribute("multicolumn", cell_info[r][c].multicolumn)
1527                            << write_attribute("multirow", cell_info[r][c].multirow)
1528                            << write_attribute("mroffset", cell_info[r][c].mroffset)
1529                            << write_attribute("alignment", cell_info[r][c].alignment)
1530                            << write_attribute("valignment", cell_info[r][c].valignment)
1531                            << write_attribute("topline", cell_info[r][c].top_line)
1532                            << write_attribute("bottomline", cell_info[r][c].bottom_line)
1533                            << write_attribute("leftline", cell_info[r][c].left_line)
1534                            << write_attribute("rightline", cell_info[r][c].right_line)
1535                            << write_attribute("rotate", cell_info[r][c].rotate)
1536                            << write_attribute("usebox", cell_info[r][c].usebox)
1537                            << write_attribute("width", cell_info[r][c].p_width)
1538                            << write_attribute("special", cell_info[r][c].align_special)
1539                            << ">\n";
1540                         os << "\\begin_inset ";
1541                         cell_info[r][c].inset->write(os);
1542                         os << "\n\\end_inset\n"
1543                            << "</cell>\n";
1544                         // FIXME This can be removed again once the mystery
1545                         // crash has been resolved.
1546                         os << flush;
1547                 }
1548                 os << "</row>\n";
1549         }
1550         os << "</lyxtabular>\n";
1551 }
1552
1553
1554 void Tabular::read(Lexer & lex)
1555 {
1556         string line;
1557         istream & is = lex.getStream();
1558
1559         l_getline(is, line);
1560         if (!prefixIs(line, "<lyxtabular ") && !prefixIs(line, "<Tabular ")) {
1561                 LASSERT(false, return);
1562         }
1563
1564         int version;
1565         if (!getTokenValue(line, "version", version))
1566                 return;
1567         LATTEST(version >= 2);
1568
1569         int rows_arg;
1570         if (!getTokenValue(line, "rows", rows_arg))
1571                 return;
1572         int columns_arg;
1573         if (!getTokenValue(line, "columns", columns_arg))
1574                 return;
1575         init(buffer_, rows_arg, columns_arg);
1576         l_getline(is, line);
1577         if (!prefixIs(line, "<features")) {
1578                 lyxerr << "Wrong tabular format (expected <features ...> got"
1579                        << line << ')' << endl;
1580                 return;
1581         }
1582         getTokenValue(line, "rotate", rotate);
1583         getTokenValue(line, "booktabs", use_booktabs);
1584         getTokenValue(line, "islongtable", is_long_tabular);
1585         getTokenValue(line, "tabularvalignment", tabular_valignment);
1586         getTokenValue(line, "tabularwidth", tabular_width);
1587         getTokenValue(line, "longtabularalignment", longtabular_alignment);
1588         getTokenValue(line, "firstHeadTopDL", endfirsthead.topDL);
1589         getTokenValue(line, "firstHeadBottomDL", endfirsthead.bottomDL);
1590         getTokenValue(line, "firstHeadEmpty", endfirsthead.empty);
1591         getTokenValue(line, "headTopDL", endhead.topDL);
1592         getTokenValue(line, "headBottomDL", endhead.bottomDL);
1593         getTokenValue(line, "footTopDL", endfoot.topDL);
1594         getTokenValue(line, "footBottomDL", endfoot.bottomDL);
1595         getTokenValue(line, "lastFootTopDL", endlastfoot.topDL);
1596         getTokenValue(line, "lastFootBottomDL", endlastfoot.bottomDL);
1597         getTokenValue(line, "lastFootEmpty", endlastfoot.empty);
1598
1599         for (col_type c = 0; c < ncols(); ++c) {
1600                 l_getline(is,line);
1601                 if (!prefixIs(line,"<column")) {
1602                         lyxerr << "Wrong tabular format (expected <column ...> got"
1603                                << line << ')' << endl;
1604                         return;
1605                 }
1606                 getTokenValue(line, "alignment", column_info[c].alignment);
1607                 getTokenValue(line, "decimal_point", column_info[c].decimal_point);
1608                 getTokenValue(line, "valignment", column_info[c].valignment);
1609                 getTokenValue(line, "width", column_info[c].p_width);
1610                 getTokenValue(line, "special", column_info[c].align_special);
1611         }
1612
1613         for (row_type i = 0; i < nrows(); ++i) {
1614                 l_getline(is, line);
1615                 if (!prefixIs(line, "<row")) {
1616                         lyxerr << "Wrong tabular format (expected <row ...> got"
1617                                << line << ')' << endl;
1618                         return;
1619                 }
1620                 getTokenValue(line, "topspace", row_info[i].top_space,
1621                               row_info[i].top_space_default);
1622                 getTokenValue(line, "bottomspace", row_info[i].bottom_space,
1623                               row_info[i].bottom_space_default);
1624                 getTokenValue(line, "interlinespace", row_info[i].interline_space,
1625                               row_info[i].interline_space_default);
1626                 getTokenValue(line, "endfirsthead", row_info[i].endfirsthead);
1627                 getTokenValue(line, "endhead", row_info[i].endhead);
1628                 getTokenValue(line, "endfoot", row_info[i].endfoot);
1629                 getTokenValue(line, "endlastfoot", row_info[i].endlastfoot);
1630                 getTokenValue(line, "newpage", row_info[i].newpage);
1631                 getTokenValue(line, "caption", row_info[i].caption);
1632                 for (col_type j = 0; j < ncols(); ++j) {
1633                         l_getline(is, line);
1634                         if (!prefixIs(line, "<cell")) {
1635                                 lyxerr << "Wrong tabular format (expected <cell ...> got"
1636                                        << line << ')' << endl;
1637                                 return;
1638                         }
1639                         getTokenValue(line, "multicolumn", cell_info[i][j].multicolumn);
1640                         getTokenValue(line, "multirow", cell_info[i][j].multirow);
1641                         getTokenValue(line, "mroffset", cell_info[i][j].mroffset);
1642                         getTokenValue(line, "alignment", cell_info[i][j].alignment);
1643                         getTokenValue(line, "valignment", cell_info[i][j].valignment);
1644                         getTokenValue(line, "topline", cell_info[i][j].top_line);
1645                         getTokenValue(line, "bottomline", cell_info[i][j].bottom_line);
1646                         getTokenValue(line, "leftline", cell_info[i][j].left_line);
1647                         getTokenValue(line, "rightline", cell_info[i][j].right_line);
1648                         getTokenValue(line, "rotate", cell_info[i][j].rotate);
1649                         getTokenValue(line, "usebox", cell_info[i][j].usebox);
1650                         getTokenValue(line, "width", cell_info[i][j].p_width);
1651                         setFixedWidth(i,j);
1652                         getTokenValue(line, "special", cell_info[i][j].align_special);
1653                         l_getline(is, line);
1654                         if (prefixIs(line, "\\begin_inset")) {
1655                                 cell_info[i][j].inset->setBuffer(*buffer_);
1656                                 cell_info[i][j].inset->read(lex);
1657                                 l_getline(is, line);
1658                         }
1659                         if (!prefixIs(line, "</cell>")) {
1660                                 lyxerr << "Wrong tabular format (expected </cell> got"
1661                                        << line << ')' << endl;
1662                                 return;
1663                         }
1664                 }
1665                 l_getline(is, line);
1666                 if (!prefixIs(line, "</row>")) {
1667                         lyxerr << "Wrong tabular format (expected </row> got"
1668                                << line << ')' << endl;
1669                         return;
1670                 }
1671         }
1672         while (!prefixIs(line, "</lyxtabular>")) {
1673                 l_getline(is, line);
1674         }
1675         updateIndexes();
1676 }
1677
1678
1679 bool Tabular::isMultiColumn(idx_type cell) const
1680 {
1681         return (cellInfo(cell).multicolumn == CELL_BEGIN_OF_MULTICOLUMN
1682                 || cellInfo(cell).multicolumn == CELL_PART_OF_MULTICOLUMN);
1683 }
1684
1685
1686 bool Tabular::hasMultiColumn(col_type c) const
1687 {
1688         for (row_type r = 0; r < nrows(); ++r) {
1689                 if (isMultiColumn(cellIndex(r, c)))
1690                         return true;
1691         }
1692         return false;
1693 }
1694
1695
1696 Tabular::CellData const & Tabular::cellInfo(idx_type cell) const
1697 {
1698         return cell_info[cellRow(cell)][cellColumn(cell)];
1699 }
1700
1701
1702 Tabular::CellData & Tabular::cellInfo(idx_type cell)
1703 {
1704         return cell_info[cellRow(cell)][cellColumn(cell)];
1705 }
1706
1707
1708 Tabular::idx_type Tabular::setMultiColumn(idx_type cell, idx_type number,
1709                                           bool const right_border)
1710 {
1711         idx_type const col = cellColumn(cell);
1712         idx_type const row = cellRow(cell);
1713         for (idx_type i = 0; i < number; ++i)
1714                 unsetMultiRow(cellIndex(row, col + i));
1715
1716         // unsetting of multirow may have invalidated cell index
1717         cell = cellIndex(row, col);
1718         CellData & cs = cellInfo(cell);
1719         cs.multicolumn = CELL_BEGIN_OF_MULTICOLUMN;
1720         if (column_info[col].alignment != LYX_ALIGN_DECIMAL)
1721                 cs.alignment = column_info[col].alignment;
1722         setRightLine(cell, right_border);
1723
1724         idx_type lastcell = cellIndex(row, col + number - 1);
1725         for (idx_type i = 1; i < lastcell - cell + 1; ++i) {
1726                 CellData & cs1 = cellInfo(cell + i);
1727                 cs1.multicolumn = CELL_PART_OF_MULTICOLUMN;
1728                 cs.inset->appendParagraphs(cs1.inset->paragraphs());
1729                 cs1.inset->clear();
1730         }
1731         updateIndexes();
1732         return cell;
1733 }
1734
1735
1736 bool Tabular::isMultiRow(idx_type cell) const
1737 {
1738         return (cellInfo(cell).multirow == CELL_BEGIN_OF_MULTIROW
1739                 || cellInfo(cell).multirow == CELL_PART_OF_MULTIROW);
1740 }
1741
1742 bool Tabular::hasMultiRow(row_type r) const
1743 {
1744         for (col_type c = 0; c < ncols(); ++c) {
1745                 if (isMultiRow(cellIndex(r, c)))
1746                         return true;
1747         }
1748         return false;
1749 }
1750
1751 Tabular::idx_type Tabular::setMultiRow(idx_type cell, idx_type number,
1752                                        bool const bottom_border,
1753                                        LyXAlignment const halign)
1754 {
1755         idx_type const col = cellColumn(cell);
1756         idx_type const row = cellRow(cell);
1757         for (idx_type i = 0; i < number; ++i)
1758                 unsetMultiColumn(cellIndex(row + i, col));
1759
1760         // unsetting of multirow may have invalidated cell index
1761         cell = cellIndex(row, col);
1762         CellData & cs = cellInfo(cell);
1763         cs.multirow = CELL_BEGIN_OF_MULTIROW;
1764         cs.valignment = LYX_VALIGN_MIDDLE;
1765         // the horizontal alignment of multirow cells can only
1766         // be changed for the whole table row,
1767         // support changing this only for the multirow cell can be done via
1768         // \multirowsetup
1769         if (getPWidth(cell).zero())
1770                 cs.alignment = halign;
1771         else
1772                 cs.alignment = LYX_ALIGN_LEFT;
1773
1774         // set the bottom line of the last selected cell
1775         setBottomLine(cell, bottom_border);
1776
1777         for (idx_type i = 1; i < number; ++i) {
1778                 CellData & cs1 = cell_info[row + i][col];
1779                 cs1.multirow = CELL_PART_OF_MULTIROW;
1780                 cs.inset->appendParagraphs(cs1.inset->paragraphs());
1781                 cs1.inset->clear();
1782         }
1783         updateIndexes();
1784         return cell;
1785 }
1786
1787
1788 Tabular::idx_type Tabular::columnSpan(idx_type cell) const
1789 {
1790         row_type const row = cellRow(cell);
1791         col_type const col = cellColumn(cell);
1792         int span = 1;
1793         while (col + span < ncols() && isPartOfMultiColumn(row, col + span))
1794                 ++span;
1795
1796         return span;
1797 }
1798
1799
1800 Tabular::idx_type Tabular::rowSpan(idx_type cell) const
1801 {
1802         col_type const column = cellColumn(cell);
1803         col_type row = cellRow(cell) + 1;
1804         while (row < nrows() && isPartOfMultiRow(row, column))
1805                 ++row;
1806
1807         return row - cellRow(cell);
1808 }
1809
1810
1811 void Tabular::unsetMultiColumn(idx_type cell)
1812 {
1813         if (!isMultiColumn(cell))
1814                 return;
1815
1816         row_type const row = cellRow(cell);
1817         col_type const col = cellColumn(cell);
1818         row_type const span = columnSpan(cell);
1819         for (col_type c = 0; c < span; ++c) {
1820                 // in the table dialog the lines are set in every case
1821                 // when unsetting a multicolumn this leads to an additional right
1822                 // line for every cell that was part of the former multicolumn cell,
1823                 // except if the cell is in the last column
1824                 // therefore remove this line
1825                 if (cell_info[row][col + c].multicolumn == CELL_BEGIN_OF_MULTICOLUMN
1826                         && (col + c) < (col + span - 1))
1827                         cell_info[row][col + c].right_line = false;
1828                 cell_info[row][col + c].multicolumn = CELL_NORMAL;
1829         }
1830         updateIndexes();
1831 }
1832
1833
1834 void Tabular::unsetMultiRow(idx_type cell)
1835 {
1836         if (!isMultiRow(cell))
1837                 return;
1838
1839         cellInfo(cell).valignment = LYX_VALIGN_TOP;
1840         cellInfo(cell).alignment = LYX_ALIGN_CENTER;
1841         row_type const row = cellRow(cell);
1842         col_type const col = cellColumn(cell);
1843         row_type const span = rowSpan(cell);
1844         for (row_type r = 0; r < span; ++r)
1845                 cell_info[row + r][col].multirow = CELL_NORMAL;
1846         updateIndexes();
1847 }
1848
1849
1850 void Tabular::setRotateCell(idx_type cell, int value)
1851 {
1852         cellInfo(cell).rotate = value;
1853 }
1854
1855
1856 int Tabular::getRotateCell(idx_type cell) const
1857 {
1858         return cellInfo(cell).rotate;
1859 }
1860
1861
1862 bool Tabular::needRotating() const
1863 {
1864         if (rotate && !is_long_tabular)
1865                 return true;
1866         for (row_type r = 0; r < nrows(); ++r)
1867                 for (col_type c = 0; c < ncols(); ++c)
1868                         if (cell_info[r][c].rotate != 0)
1869                                 return true;
1870         return false;
1871 }
1872
1873
1874 bool Tabular::isLastCell(idx_type cell) const
1875 {
1876         if (cell + 1 < numberofcells)
1877                 return false;
1878         return true;
1879 }
1880
1881
1882 Tabular::idx_type Tabular::cellAbove(idx_type cell) const
1883 {
1884         if (cellRow(cell) == 0)
1885                 return cell;
1886
1887         col_type const col = cellColumn(cell);
1888         row_type r = cellRow(cell) - 1;
1889         while (r > 0 && cell_info[r][col].multirow == CELL_PART_OF_MULTIROW)
1890                 --r;
1891
1892         return cell_info[r][col].cellno;
1893 }
1894
1895
1896 Tabular::idx_type Tabular::cellBelow(idx_type cell) const
1897 {
1898         row_type const nextrow = cellRow(cell) + rowSpan(cell);
1899         if (nextrow < nrows())
1900                 return cell_info[nextrow][cellColumn(cell)].cellno;
1901         return cell;
1902 }
1903
1904
1905 Tabular::idx_type Tabular::cellIndex(row_type row, col_type column) const
1906 {
1907         LASSERT(column != npos && column < ncols(), column = 0);
1908         LASSERT(row != npos && row < nrows(), row = 0);
1909         return cell_info[row][column].cellno;
1910 }
1911
1912
1913 void Tabular::setUsebox(idx_type cell, BoxType type)
1914 {
1915         cellInfo(cell).usebox = type;
1916 }
1917
1918
1919 // FIXME: Remove this routine because we cannot insert \parboxes when the user
1920 // adds line breaks, see bug 4886.
1921 Tabular::BoxType Tabular::getUsebox(idx_type cell) const
1922 {
1923         if ((!column_info[cellColumn(cell)].p_width.zero() && !isMultiColumn(cell)) ||
1924                 (isMultiColumn(cell) && !cellInfo(cell).p_width.zero()))
1925                 return BOX_NONE;
1926         if (cellInfo(cell).usebox > 1)
1927                 return cellInfo(cell).usebox;
1928         return useParbox(cell);
1929 }
1930
1931
1932 ///
1933 //  This are functions used for the longtable support
1934 ///
1935 void Tabular::setLTHead(row_type row, bool flag, ltType const & hd,
1936                            bool first)
1937 {
1938         if (first) {
1939                 endfirsthead = hd;
1940                 if (hd.set)
1941                         row_info[row].endfirsthead = flag;
1942         } else {
1943                 endhead = hd;
1944                 if (hd.set)
1945                         row_info[row].endhead = flag;
1946         }
1947 }
1948
1949
1950 bool Tabular::getRowOfLTHead(row_type row, ltType & hd) const
1951 {
1952         hd = endhead;
1953         hd.set = haveLTHead();
1954         return row_info[row].endhead;
1955 }
1956
1957
1958 bool Tabular::getRowOfLTFirstHead(row_type row, ltType & hd) const
1959 {
1960         hd = endfirsthead;
1961         hd.set = haveLTFirstHead();
1962         return row_info[row].endfirsthead;
1963 }
1964
1965
1966 void Tabular::setLTFoot(row_type row, bool flag, ltType const & fd,
1967                            bool last)
1968 {
1969         if (last) {
1970                 endlastfoot = fd;
1971                 if (fd.set)
1972                         row_info[row].endlastfoot = flag;
1973         } else {
1974                 endfoot = fd;
1975                 if (fd.set)
1976                         row_info[row].endfoot = flag;
1977         }
1978 }
1979
1980
1981 bool Tabular::getRowOfLTFoot(row_type row, ltType & fd) const
1982 {
1983         fd = endfoot;
1984         fd.set = haveLTFoot();
1985         return row_info[row].endfoot;
1986 }
1987
1988
1989 bool Tabular::getRowOfLTLastFoot(row_type row, ltType & fd) const
1990 {
1991         fd = endlastfoot;
1992         fd.set = haveLTLastFoot();
1993         return row_info[row].endlastfoot;
1994 }
1995
1996
1997 void Tabular::setLTNewPage(row_type row, bool what)
1998 {
1999         row_info[row].newpage = what;
2000 }
2001
2002
2003 bool Tabular::getLTNewPage(row_type row) const
2004 {
2005         return row_info[row].newpage;
2006 }
2007
2008
2009 bool Tabular::haveLTHead(bool withcaptions) const
2010 {
2011         if (!is_long_tabular)
2012                 return false;
2013         for (row_type i = 0; i < nrows(); ++i)
2014                 if (row_info[i].endhead &&
2015                     (withcaptions || !row_info[i].caption))
2016                         return true;
2017         return false;
2018 }
2019
2020
2021 bool Tabular::haveLTFirstHead(bool withcaptions) const
2022 {
2023         if (!is_long_tabular || endfirsthead.empty)
2024                 return false;
2025         for (row_type r = 0; r < nrows(); ++r)
2026                 if (row_info[r].endfirsthead &&
2027                     (withcaptions || !row_info[r].caption))
2028                         return true;
2029         return false;
2030 }
2031
2032
2033 bool Tabular::haveLTFoot(bool withcaptions) const
2034 {
2035         if (!is_long_tabular)
2036                 return false;
2037         for (row_type r = 0; r < nrows(); ++r)
2038                 if (row_info[r].endfoot &&
2039                     (withcaptions || !row_info[r].caption))
2040                         return true;
2041         return false;
2042 }
2043
2044
2045 bool Tabular::haveLTLastFoot(bool withcaptions) const
2046 {
2047         if (!is_long_tabular || endlastfoot.empty)
2048                 return false;
2049         for (row_type r = 0; r < nrows(); ++r)
2050                 if (row_info[r].endlastfoot &&
2051                     (withcaptions || !row_info[r].caption))
2052                         return true;
2053         return false;
2054 }
2055
2056
2057 Tabular::idx_type Tabular::setLTCaption(row_type row, bool what)
2058 {
2059         idx_type i = getFirstCellInRow(row);
2060         if (what) {
2061                 setMultiColumn(i, numberOfCellsInRow(row), false);
2062                 setTopLine(i, false);
2063                 setBottomLine(i, false);
2064                 setLeftLine(i, false);
2065                 setRightLine(i, false);
2066                 if (!row_info[row].endfirsthead && !row_info[row].endhead &&
2067                     !row_info[row].endfoot && !row_info[row].endlastfoot) {
2068                         setLTHead(row, true, endfirsthead, true);
2069                         row_info[row].endfirsthead = true;
2070                 }
2071         } else {
2072                 unsetMultiColumn(i);
2073                 // When unsetting a caption row, also all existing
2074                 // captions in this row must be dissolved.
2075         }
2076         row_info[row].caption = what;
2077         return i;
2078 }
2079
2080
2081 bool Tabular::ltCaption(row_type row) const
2082 {
2083         return row_info[row].caption;
2084 }
2085
2086
2087 bool Tabular::haveLTCaption(CaptionType captiontype) const
2088 {
2089         if (!is_long_tabular)
2090                 return false;
2091         for (row_type r = 0; r < nrows(); ++r) {
2092                 if (row_info[r].caption) {
2093                         switch (captiontype) {
2094                         case CAPTION_FIRSTHEAD:
2095                                 if (row_info[r].endfirsthead)
2096                                         return true;
2097                                 break;
2098                         case CAPTION_HEAD:
2099                                 if (row_info[r].endhead)
2100                                         return true;
2101                                 break;
2102                         case CAPTION_FOOT:
2103                                 if (row_info[r].endfoot)
2104                                         return true;
2105                                 break;
2106                         case CAPTION_LASTFOOT:
2107                                 if (row_info[r].endlastfoot)
2108                                         return true;
2109                                 break;
2110                         case CAPTION_ANY:
2111                                 return true;
2112                         }
2113                 }
2114         }
2115         return false;
2116 }
2117
2118
2119 // end longtable support functions
2120
2121 void Tabular::setRowAscent(row_type row, int height)
2122 {
2123         if (row >= nrows() || row_info[row].ascent == height)
2124                 return;
2125         row_info[row].ascent = height;
2126 }
2127
2128
2129 void Tabular::setRowDescent(row_type row, int height)
2130 {
2131         if (row >= nrows() || row_info[row].descent == height)
2132                 return;
2133         row_info[row].descent = height;
2134 }
2135
2136
2137 int Tabular::rowAscent(row_type row) const
2138 {
2139         LASSERT(row < nrows(), row = 0);
2140         return row_info[row].ascent;
2141 }
2142
2143
2144 int Tabular::rowDescent(row_type row) const
2145 {
2146         LASSERT(row < nrows(), row = 0);
2147         return row_info[row].descent;
2148 }
2149
2150
2151 int Tabular::height() const
2152 {
2153         int height = 0;
2154         for (row_type row = 0; row < nrows(); ++row)
2155                 height += rowAscent(row) + rowDescent(row) +
2156                         interRowSpace(row);
2157         return height;
2158 }
2159
2160
2161 bool Tabular::isPartOfMultiColumn(row_type row, col_type column) const
2162 {
2163         LASSERT(row < nrows(), return false);
2164         LASSERT(column < ncols(), return false);
2165         return cell_info[row][column].multicolumn == CELL_PART_OF_MULTICOLUMN;
2166 }
2167
2168
2169 bool Tabular::isPartOfMultiRow(row_type row, col_type column) const
2170 {
2171         LASSERT(row < nrows(), return false);
2172         LASSERT(column < ncols(), return false);
2173         return cell_info[row][column].multirow == CELL_PART_OF_MULTIROW;
2174 }
2175
2176
2177 void Tabular::TeXTopHLine(otexstream & os, row_type row, string const & lang) const
2178 {
2179         // we only output complete row lines and the 1st row here, the rest
2180         // is done in Tabular::TeXBottomHLine(...)
2181
2182         // get for each column the topline (if any)
2183         vector<bool> topline;
2184         col_type nset = 0;
2185         for (col_type c = 0; c < ncols(); ++c) {
2186                 topline.push_back(topLine(cellIndex(row, c)));
2187                 // If cell is part of a multirow and not the first cell of the
2188                 // multirow, no line must be drawn.
2189                 if (row != 0)
2190                         if (isMultiRow(cellIndex(row, c))
2191                             && cell_info[row][c].multirow != CELL_BEGIN_OF_MULTIROW)
2192                                 topline[c] = false;
2193                 if (topline[c])
2194                         ++nset;
2195         }
2196
2197         // do nothing if empty first row, or incomplete row line after
2198         if ((row == 0 && nset == 0) || (row > 0 && nset != ncols()))
2199                 return;
2200
2201         // only output complete row lines and the 1st row's clines
2202         if (nset == ncols()) {
2203                 if (use_booktabs) {
2204                         os << (row == 0 ? "\\toprule " : "\\midrule ");
2205                 } else {
2206                         os << "\\hline ";
2207                 }
2208         } else if (row == 0) {
2209                 for (col_type c = 0; c < ncols(); ++c) {
2210                         if (topline[c]) {
2211                                 col_type offset = 0;
2212                                 for (col_type j = 0 ; j < c; ++j)
2213                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2214                                                 ++offset;
2215
2216                                 //babel makes the "-" character an active one, so we have to suppress this here
2217                                 //see http://groups.google.com/group/comp.text.tex/browse_thread/thread/af769424a4a0f289#
2218                                 if (lang == "slovak" || lang == "czech")
2219                                         os << "\\expandafter" << (use_booktabs ? "\\cmidrule" : "\\cline")
2220                                         << "\\expandafter{\\expandafter" << c + 1 + offset << "\\string-";
2221                                 else
2222                                         os << (use_booktabs ? "\\cmidrule{" : "\\cline{") << c + 1 + offset << '-';
2223
2224                                 col_type cstart = c;
2225                                 for ( ; c < ncols() && topline[c]; ++c) {}
2226
2227                                 for (col_type j = cstart ; j < c ; ++j)
2228                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2229                                                 ++offset;
2230
2231                                 os << c + offset << "} ";
2232                         }
2233                 }
2234         }
2235         os << "\n";
2236 }
2237
2238
2239 void Tabular::TeXBottomHLine(otexstream & os, row_type row, string const & lang) const
2240 {
2241         // we output bottomlines of row r and the toplines of row r+1
2242         // if the latter do not span the whole tabular
2243
2244         // get the bottomlines of row r, and toplines in next row
2245         bool lastrow = row == nrows() - 1;
2246         vector<bool> bottomline, topline;
2247         bool nextrowset = true;
2248         for (col_type c = 0; c < ncols(); ++c) {
2249                 bottomline.push_back(bottomLine(cellIndex(row, c)));
2250                 topline.push_back(!lastrow && topLine(cellIndex(row + 1, c)));
2251                 // If cell is part of a multirow and not the last cell of the
2252                 // multirow, no line must be drawn.
2253                 if (!lastrow)
2254                         if (isMultiRow(cellIndex(row, c))
2255                             && isMultiRow(cellIndex(row + 1, c))
2256                             && cell_info[row + 1][c].multirow != CELL_BEGIN_OF_MULTIROW) {
2257                                 bottomline[c] = false;
2258                                 topline[c] = false;
2259                                 }
2260                 nextrowset &= topline[c];
2261         }
2262
2263         // combine this row's bottom lines and next row's toplines if necessary
2264         col_type nset = 0;
2265         for (col_type c = 0; c < ncols(); ++c) {
2266                 if (!nextrowset)
2267                         bottomline[c] = bottomline[c] || topline[c];
2268                 if (bottomline[c])
2269                         ++nset;
2270         }
2271
2272         // do nothing if empty, OR incomplete row line with a topline in next row
2273         if (nset == 0 || (nextrowset && nset != ncols()))
2274                 return;
2275
2276         if (nset == ncols()) {
2277                 if (use_booktabs)
2278                         os << (lastrow ? "\\bottomrule" : "\\midrule");
2279                 else
2280                         os << "\\hline ";
2281         } else {
2282                 for (col_type c = 0; c < ncols(); ++c) {
2283                         if (bottomline[c]) {
2284                                 col_type offset = 0;
2285                                 for (col_type j = 0 ; j < c; ++j)
2286                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2287                                                 ++offset;
2288
2289                                 //babel makes the "-" character an active one, so we have to suppress this here
2290                                 //see http://groups.google.com/group/comp.text.tex/browse_thread/thread/af769424a4a0f289#
2291                                 if (lang == "slovak" || lang == "czech")
2292                                         os << "\\expandafter" << (use_booktabs ? "\\cmidrule" : "\\cline")
2293                                         << "\\expandafter{\\expandafter" << c + 1 + offset << "\\string-";
2294                                 else
2295                                         os << (use_booktabs ? "\\cmidrule{" : "\\cline{") << c + 1 + offset << '-';
2296
2297                                 col_type cstart = c;
2298                                 for ( ; c < ncols() && bottomline[c]; ++c) {}
2299
2300                                 for (col_type j = cstart ; j < c ; ++j)
2301                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2302                                                 ++offset;
2303
2304                                 os << c + offset << "} ";
2305                         }
2306                 }
2307         }
2308         os << "\n";
2309 }
2310
2311
2312 void Tabular::TeXCellPreamble(otexstream & os, idx_type cell,
2313                               bool & ismulticol, bool & ismultirow) const
2314 {
2315         row_type const r = cellRow(cell);
2316         if (is_long_tabular && row_info[r].caption)
2317                 return;
2318
2319         Tabular::VAlignment valign =  getVAlignment(cell, !isMultiColumn(cell));
2320         LyXAlignment align = getAlignment(cell, !isMultiColumn(cell));
2321         // figure out how to set the lines
2322         // we always set double lines to the right of the cell
2323         col_type const c = cellColumn(cell);
2324         col_type const nextcol = c + columnSpan(cell);
2325         bool colright = columnRightLine(c);
2326         bool colleft = columnLeftLine(c);
2327         bool nextcolleft = nextcol < ncols() && columnLeftLine(nextcol);
2328         bool nextcellleft = nextcol < ncols()
2329                 && leftLine(cellIndex(r, nextcol));
2330         bool coldouble = colright && nextcolleft;
2331         bool celldouble = rightLine(cell) && nextcellleft;
2332
2333         ismulticol = isMultiColumn(cell)
2334                 || (c == 0 && colleft != leftLine(cell))
2335                 || ((colright || nextcolleft) && !rightLine(cell) && !nextcellleft)
2336                 || (!colright && !nextcolleft && (rightLine(cell) || nextcellleft))
2337                 || (coldouble != celldouble);
2338
2339         // we center in multicol when no decimal point
2340         if (column_info[c].alignment == LYX_ALIGN_DECIMAL) {
2341                 docstring const align_d = column_info[c].decimal_point;
2342                 DocIterator const dit = separatorPos(cellInset(cell), align_d);
2343                 ismulticol |= !dit;
2344         }
2345
2346         // up counter by 1 for each decimally aligned col since they use 2 latex cols
2347         int latexcolspan = columnSpan(cell);
2348         for(col_type col = c; col < c + columnSpan(cell); ++col)
2349                 if (column_info[col].alignment == LYX_ALIGN_DECIMAL)
2350                         ++latexcolspan;
2351
2352         if (ismulticol) {
2353                 os << "\\multicolumn{" << latexcolspan << "}{";
2354                 if (c ==0 && leftLine(cell))
2355                         os << '|';
2356                 if (!cellInfo(cell).align_special.empty()) {
2357                         os << cellInfo(cell).align_special;
2358                 } else {
2359                         if (!getPWidth(cell).zero()) {
2360                                 switch (align) {
2361                                 case LYX_ALIGN_LEFT:
2362                                         os << ">{\\raggedright}";
2363                                         break;
2364                                 case LYX_ALIGN_RIGHT:
2365                                         os << ">{\\raggedleft}";
2366                                         break;
2367                                 case LYX_ALIGN_CENTER:
2368                                         os << ">{\\centering}";
2369                                         break;
2370                                 default:
2371                                         break;
2372                                 }
2373                                 switch (valign) {
2374                                 case LYX_VALIGN_TOP:
2375                                         os << 'p';
2376                                         break;
2377                                 case LYX_VALIGN_MIDDLE:
2378                                         os << 'm';
2379                                         break;
2380                                 case LYX_VALIGN_BOTTOM:
2381                                         os << 'b';
2382                                         break;
2383                                 }
2384                                 os << '{'
2385                                    << from_ascii(getPWidth(cell).asLatexString())
2386                                    << '}';
2387                         } else {
2388                                 switch (align) {
2389                                 case LYX_ALIGN_LEFT:
2390                                         os << 'l';
2391                                         break;
2392                                 case LYX_ALIGN_RIGHT:
2393                                         os << 'r';
2394                                         break;
2395                                 default:
2396                                         os << 'c';
2397                                         break;
2398                                 }
2399                         } // end if else !getPWidth
2400                 } // end if else !cellinfo_of_cell
2401                 if (rightLine(cell) || nextcellleft)
2402                         os << '|';
2403                 if (celldouble)
2404                         // add extra vertical line if we want a double one
2405                         os << '|';
2406                 os << "}{";
2407         } // end if ismulticol
2408
2409         // we only need code for the first multirow cell
2410         ismultirow = isMultiRow(cell);
2411         if (ismultirow) {
2412                 os << "\\multirow{" << rowSpan(cell) << "}{";
2413                 if (!getPWidth(cell).zero())
2414                         os << from_ascii(getPWidth(cell).asLatexString());
2415                 else
2416                         // we need to set a default value
2417                         os << "*";
2418                 os << "}";
2419                 if (!getMROffset(cell).zero())
2420                         os << "[" << from_ascii(getMROffset(cell).asLatexString()) << "]";
2421                 os << "{";
2422         } // end if ismultirow
2423
2424         if (getRotateCell(cell) != 0)
2425                 os << "\\begin{turn}{" << convert<string>(getRotateCell(cell)) << "}\n";
2426
2427         if (getUsebox(cell) == BOX_PARBOX) {
2428                 os << "\\parbox[";
2429                 switch (valign) {
2430                 case LYX_VALIGN_TOP:
2431                         os << 't';
2432                         break;
2433                 case LYX_VALIGN_MIDDLE:
2434                         os << 'c';
2435                         break;
2436                 case LYX_VALIGN_BOTTOM:
2437                         os << 'b';
2438                         break;
2439                 }
2440                 os << "]{" << from_ascii(getPWidth(cell).asLatexString())
2441                    << "}{";
2442         } else if (getUsebox(cell) == BOX_MINIPAGE) {
2443                 os << "\\begin{minipage}[";
2444                 switch (valign) {
2445                 case LYX_VALIGN_TOP:
2446                         os << 't';
2447                         break;
2448                 case LYX_VALIGN_MIDDLE:
2449                         os << 'm';
2450                         break;
2451                 case LYX_VALIGN_BOTTOM:
2452                         os << 'b';
2453                         break;
2454                 }
2455                 os << "]{" << from_ascii(getPWidth(cell).asLatexString())
2456                    << "}\n";
2457         }
2458 }
2459
2460
2461 void Tabular::TeXCellPostamble(otexstream & os, idx_type cell,
2462                                bool ismulticol, bool ismultirow) const
2463 {
2464         row_type const r = cellRow(cell);
2465         if (is_long_tabular && row_info[r].caption)
2466                 return;
2467
2468         // usual cells
2469         if (getUsebox(cell) == BOX_PARBOX)
2470                 os << '}';
2471         else if (getUsebox(cell) == BOX_MINIPAGE)
2472                 os << breakln << "\\end{minipage}";
2473         if (getRotateCell(cell) != 0)
2474                 os << breakln << "\\end{turn}";
2475         if (ismultirow)
2476                 os << '}';
2477         if (ismulticol)
2478                 os << '}';
2479 }
2480
2481
2482 void Tabular::TeXLongtableHeaderFooter(otexstream & os,
2483                                         OutputParams const & runparams) const
2484 {
2485         if (!is_long_tabular)
2486                 return;
2487
2488         // caption handling
2489         // output caption which is in no header or footer
2490         if (haveLTCaption()) {
2491                 for (row_type r = 0; r < nrows(); ++r) {
2492                         if (row_info[r].caption &&
2493                             !row_info[r].endfirsthead && !row_info[r].endhead &&
2494                             !row_info[r].endfoot && !row_info[r].endlastfoot)
2495                                 TeXRow(os, r, runparams);
2496                 }
2497         }
2498         // output first header info
2499         if (haveLTFirstHead()) {
2500                 if (endfirsthead.topDL)
2501                         os << "\\hline\n";
2502                 for (row_type r = 0; r < nrows(); ++r) {
2503                         if (row_info[r].endfirsthead)
2504                                 TeXRow(os, r, runparams);
2505                 }
2506                 if (endfirsthead.bottomDL)
2507                         os << "\\hline\n";
2508                 os << "\\endfirsthead\n";
2509         }
2510         // output header info
2511         if (haveLTHead()) {
2512                 if (endfirsthead.empty && !haveLTFirstHead())
2513                         os << "\\endfirsthead\n";
2514                 if (endhead.topDL)
2515                         os << "\\hline\n";
2516                 for (row_type r = 0; r < nrows(); ++r) {
2517                         if (row_info[r].endhead)
2518                                 TeXRow(os, r, runparams);
2519                 }
2520                 if (endhead.bottomDL)
2521                         os << "\\hline\n";
2522                 os << "\\endhead\n";
2523         }
2524         // output footer info
2525         if (haveLTFoot()) {
2526                 if (endfoot.topDL)
2527                         os << "\\hline\n";
2528                 for (row_type r = 0; r < nrows(); ++r) {
2529                         if (row_info[r].endfoot)
2530                                 TeXRow(os, r, runparams);
2531                 }
2532                 if (endfoot.bottomDL)
2533                         os << "\\hline\n";
2534                 os << "\\endfoot\n";
2535                 if (endlastfoot.empty && !haveLTLastFoot())
2536                         os << "\\endlastfoot\n";
2537         }
2538         // output lastfooter info
2539         if (haveLTLastFoot()) {
2540                 if (endlastfoot.topDL)
2541                         os << "\\hline\n";
2542                 for (row_type r = 0; r < nrows(); ++r) {
2543                         if (row_info[r].endlastfoot)
2544                                 TeXRow(os, r, runparams);
2545                 }
2546                 if (endlastfoot.bottomDL)
2547                         os << "\\hline\n";
2548                 os << "\\endlastfoot\n";
2549         }
2550 }
2551
2552
2553 bool Tabular::isValidRow(row_type row) const
2554 {
2555         if (!is_long_tabular)
2556                 return true;
2557         return !row_info[row].endhead && !row_info[row].endfirsthead
2558                 && !row_info[row].endfoot && !row_info[row].endlastfoot
2559                 && !row_info[row].caption;
2560 }
2561
2562
2563 void Tabular::TeXRow(otexstream & os, row_type row,
2564                      OutputParams const & runparams) const
2565 {
2566         idx_type cell = cellIndex(row, 0);
2567         InsetTableCell const * inset = cellInset(cell);
2568         Paragraph const & par = inset->paragraphs().front();
2569         string const lang = par.getParLanguage(buffer().params())->lang();
2570
2571         //output the top line
2572         TeXTopHLine(os, row, lang);
2573
2574         if (row_info[row].top_space_default) {
2575                 if (use_booktabs)
2576                         os << "\\addlinespace\n";
2577                 else
2578                         os << "\\noalign{\\vskip\\doublerulesep}\n";
2579         } else if(!row_info[row].top_space.zero()) {
2580                 if (use_booktabs)
2581                         os << "\\addlinespace["
2582                            << from_ascii(row_info[row].top_space.asLatexString())
2583                            << "]\n";
2584                 else {
2585                         os << "\\noalign{\\vskip"
2586                            << from_ascii(row_info[row].top_space.asLatexString())
2587                            << "}\n";
2588                 }
2589         }
2590         bool ismulticol = false;
2591         bool ismultirow = false;
2592         for (col_type c = 0; c < ncols(); ++c) {
2593                 if (isPartOfMultiColumn(row, c))
2594                         continue;
2595
2596                 cell = cellIndex(row, c);
2597
2598                 if (isPartOfMultiRow(row, c)
2599                     && column_info[c].alignment != LYX_ALIGN_DECIMAL) {
2600                         if (cell != getLastCellInRow(row))
2601                                 os << " & ";
2602                         continue;
2603                 }
2604
2605                 TeXCellPreamble(os, cell, ismulticol, ismultirow);
2606                 InsetTableCell const * inset = cellInset(cell);
2607
2608                 Paragraph const & par = inset->paragraphs().front();
2609
2610                 os.texrow().forceStart(par.id(), 0);
2611
2612                 bool rtl = par.isRTL(buffer().params())
2613                         && !par.empty()
2614                         && getPWidth(cell).zero()
2615                         && !runparams.use_polyglossia;
2616
2617                 if (rtl) {
2618                         string const lang =
2619                                 par.getParLanguage(buffer().params())->lang();
2620                         if (lang == "farsi")
2621                                 os << "\\textFR{";
2622                         else if (lang == "arabic_arabi")
2623                                 os << "\\textAR{";
2624                         // currently, remaining RTL languages are
2625                         // arabic_arabtex and hebrew
2626                         else
2627                                 os << "\\R{";
2628                 }
2629                 // pass to the OutputParams that we are in a cell and
2630                 // which alignment we have set.
2631                 // InsetNewline needs this context information.
2632                 OutputParams newrp(runparams);
2633                 newrp.inTableCell = (getAlignment(cell) == LYX_ALIGN_BLOCK)
2634                                     ? OutputParams::PLAIN
2635                                     : OutputParams::ALIGNED;
2636
2637                 if (getAlignment(cell) == LYX_ALIGN_DECIMAL) {
2638                         // copy cell and split in 2
2639                         InsetTableCell head = InsetTableCell(*cellInset(cell));
2640                         head.setBuffer(const_cast<Buffer &>(buffer()));
2641                         DocIterator dit = cellInset(cell)->getText(0)->macrocontextPosition();
2642                         dit.pop_back();
2643                         dit.push_back(CursorSlice(head));
2644                         head.setMacrocontextPositionRecursive(dit);
2645                         bool hassep = false;
2646                         InsetTableCell tail = splitCell(head, column_info[c].decimal_point, hassep);
2647                         head.latex(os, newrp);
2648                         if (hassep) {
2649                                 os << '&';
2650                                 tail.setBuffer(head.buffer());
2651                                 dit.pop_back();
2652                                 dit.push_back(CursorSlice(tail));
2653                                 tail.setMacrocontextPositionRecursive(dit);
2654                                 tail.latex(os, newrp);
2655                         }
2656                 } else if (ltCaption(row)) {
2657                         // Inside longtable caption rows, we must only output the caption inset
2658                         // with its content and omit anything outside of that (see #10791)
2659                         InsetIterator it = inset_iterator_begin(*const_cast<InsetTableCell *>(inset));
2660                         InsetIterator i_end = inset_iterator_end(*const_cast<InsetTableCell *>(inset));
2661                         for (; it != i_end; ++it) {
2662                                 if (it->lyxCode() != CAPTION_CODE)
2663                                         continue;
2664                                 it->latex(os, runparams);
2665                                 break;
2666                         }
2667                 } else if (!isPartOfMultiRow(row, c)) {
2668                         if (!runparams.nice)
2669                                 os.texrow().start(par.id(), 0);
2670                         inset->latex(os, newrp);
2671                 }
2672
2673                 runparams.encoding = newrp.encoding;
2674                 if (rtl)
2675                         os << '}';
2676
2677                 TeXCellPostamble(os, cell, ismulticol, ismultirow);
2678                 if (cell != getLastCellInRow(row)) { // not last cell in row
2679                         if (runparams.nice)
2680                                 os << " & ";
2681                         else
2682                                 os << " &\n";
2683                 }
2684         }
2685         os << "\\tabularnewline";
2686         if (row_info[row].bottom_space_default) {
2687                 if (use_booktabs)
2688                         os << "\\addlinespace";
2689                 else
2690                         os << "[\\doublerulesep]";
2691         } else if (!row_info[row].bottom_space.zero()) {
2692                 if (use_booktabs)
2693                         os << "\\addlinespace";
2694                 os << '['
2695                    << from_ascii(row_info[row].bottom_space.asLatexString())
2696                    << ']';
2697         }
2698         os << '\n';
2699
2700         //output the bottom line
2701         TeXBottomHLine(os, row, lang);
2702
2703         if (row_info[row].interline_space_default) {
2704                 if (use_booktabs)
2705                         os << "\\addlinespace\n";
2706                 else
2707                         os << "\\noalign{\\vskip\\doublerulesep}\n";
2708         } else if (!row_info[row].interline_space.zero()) {
2709                 if (use_booktabs)
2710                         os << "\\addlinespace["
2711                            << from_ascii(row_info[row].interline_space.asLatexString())
2712                            << "]\n";
2713                 else
2714                         os << "\\noalign{\\vskip"
2715                            << from_ascii(row_info[row].interline_space.asLatexString())
2716                            << "}\n";
2717         }
2718 }
2719
2720
2721 void Tabular::latex(otexstream & os, OutputParams const & runparams) const
2722 {
2723         bool const is_tabular_star = !tabular_width.zero();
2724         TexRow::RowEntry pos = TexRow::textEntry(runparams.lastid, runparams.lastpos);
2725
2726         //+---------------------------------------------------------------------
2727         //+                      first the opening preamble                    +
2728         //+---------------------------------------------------------------------
2729
2730         os << safebreakln;
2731         if (!TexRow::isNone(pos))
2732                 os.texrow().start(pos);
2733
2734         if (rotate != 0 && !is_long_tabular)
2735                 os << "\\begin{turn}{" << convert<string>(rotate) << "}\n";
2736
2737         if (is_long_tabular) {
2738                 os << "\\begin{longtable}";
2739                 switch (longtabular_alignment) {
2740                 case LYX_LONGTABULAR_ALIGN_LEFT:
2741                         os << "[l]";
2742                         break;
2743                 case LYX_LONGTABULAR_ALIGN_CENTER:
2744                         break;
2745                 case LYX_LONGTABULAR_ALIGN_RIGHT:
2746                         os << "[r]";
2747                         break;
2748                 }
2749         } else {
2750                 if (is_tabular_star)
2751                         os << "\\begin{tabular*}{" << from_ascii(tabular_width.asLatexString()) << "}";
2752                 else
2753                         os << "\\begin{tabular}";
2754                 switch (tabular_valignment) {
2755                 case LYX_VALIGN_TOP:
2756                         os << "[t]";
2757                         break;
2758                 case LYX_VALIGN_MIDDLE:
2759                         break;
2760                 case LYX_VALIGN_BOTTOM:
2761                         os << "[b]";
2762                         break;
2763                 }
2764         }
2765
2766         os << "{";
2767
2768         if (is_tabular_star)
2769                 os << "@{\\extracolsep{\\fill}}";
2770
2771         for (col_type c = 0; c < ncols(); ++c) {
2772                 if (columnLeftLine(c))
2773                         os << '|';
2774                 if (!column_info[c].align_special.empty()) {
2775                         os << column_info[c].align_special;
2776                 } else {
2777                         if (!column_info[c].p_width.zero()) {
2778                                 bool decimal = false;
2779                                 switch (column_info[c].alignment) {
2780                                 case LYX_ALIGN_LEFT:
2781                                         os << ">{\\raggedright}";
2782                                         break;
2783                                 case LYX_ALIGN_RIGHT:
2784                                         os << ">{\\raggedleft}";
2785                                         break;
2786                                 case LYX_ALIGN_CENTER:
2787                                         os << ">{\\centering}";
2788                                         break;
2789                                 case LYX_ALIGN_NONE:
2790                                 case LYX_ALIGN_BLOCK:
2791                                 case LYX_ALIGN_LAYOUT:
2792                                 case LYX_ALIGN_SPECIAL:
2793                                         break;
2794                                 case LYX_ALIGN_DECIMAL:
2795                                         os << ">{\\raggedleft}";
2796                                         decimal = true;
2797                                         break;
2798                                 }
2799
2800                                 char valign = 'p';
2801                                 switch (column_info[c].valignment) {
2802                                 case LYX_VALIGN_TOP:
2803                                         // this is the default
2804                                         break;
2805                                 case LYX_VALIGN_MIDDLE:
2806                                         valign = 'm';
2807                                         break;
2808                                 case LYX_VALIGN_BOTTOM:
2809                                         valign = 'b';
2810                                         break;
2811                                 }
2812                                 os << valign;
2813
2814                                 // Fixed-width cells with alignment at decimal separator
2815                                 // are output as two cells of half the width with the decimal
2816                                 // separator as column sep. This effectively puts the content
2817                                 // centered, which differs from the normal decimal sep alignment
2818                                 // and is not ideal, but we cannot do better ATM (see #9568).
2819                                 // FIXME: Implement proper decimal sep alignment, e.g. via siunitx.
2820                                 if (decimal) {
2821                                         docstring const halffixedwith =
2822                                                 from_ascii(Length(column_info[c].p_width.value() / 2,
2823                                                                   column_info[c].p_width.unit()).asLatexString());
2824                                         os << '{'
2825                                            << halffixedwith
2826                                            << '}'
2827                                            << "@{\\extracolsep{0pt}" << column_info[c].decimal_point << "}"
2828                                            << valign
2829                                            << '{'
2830                                            << halffixedwith
2831                                            << '}';
2832                                 } else
2833                                         os << '{'
2834                                            << from_ascii(column_info[c].p_width.asLatexString())
2835                                            << '}';
2836                         } else {
2837                                 switch (column_info[c].alignment) {
2838                                 case LYX_ALIGN_LEFT:
2839                                         os << 'l';
2840                                         break;
2841                                 case LYX_ALIGN_RIGHT:
2842                                         os << 'r';
2843                                         break;
2844                                 case LYX_ALIGN_DECIMAL:
2845                                         os << "r@{\\extracolsep{0pt}" << column_info[c].decimal_point << "}l";
2846                                         break;
2847                                 default:
2848                                         os << 'c';
2849                                         break;
2850                                 }
2851                         } // end if else !column_info[i].p_width
2852                 } // end if else !column_info[i].align_special
2853                 if (columnRightLine(c))
2854                         os << '|';
2855         }
2856         os << "}\n";
2857
2858         TeXLongtableHeaderFooter(os, runparams);
2859
2860         //+---------------------------------------------------------------------
2861         //+                      the single row and columns (cells)            +
2862         //+---------------------------------------------------------------------
2863
2864         for (row_type r = 0; r < nrows(); ++r) {
2865                 if (isValidRow(r)) {
2866                         TeXRow(os, r, runparams);
2867                         if (is_long_tabular && row_info[r].newpage)
2868                                 os << "\\newpage\n";
2869                 }
2870         }
2871
2872         //+---------------------------------------------------------------------
2873         //+                      the closing of the tabular                    +
2874         //+---------------------------------------------------------------------
2875
2876         if (is_long_tabular)
2877                 os << "\\end{longtable}";
2878         else {
2879                 if (is_tabular_star)
2880                         os << "\\end{tabular*}";
2881                 else
2882                         os << "\\end{tabular}";
2883         }
2884
2885         if (rotate != 0 && !is_long_tabular)
2886                 os << breakln << "\\end{turn}";
2887
2888         if (!TexRow::isNone(pos))
2889                 os.texrow().start(pos);
2890 }
2891
2892
2893 int Tabular::docbookRow(odocstream & os, row_type row,
2894                            OutputParams const & runparams) const
2895 {
2896         int ret = 0;
2897         idx_type cell = getFirstCellInRow(row);
2898
2899         os << "<row>\n";
2900         for (col_type c = 0; c < ncols(); ++c) {
2901                 if (isPartOfMultiColumn(row, c))
2902                         continue;
2903
2904                 os << "<entry align=\"";
2905                 switch (getAlignment(cell)) {
2906                 case LYX_ALIGN_LEFT:
2907                         os << "left";
2908                         break;
2909                 case LYX_ALIGN_RIGHT:
2910                         os << "right";
2911                         break;
2912                 default:
2913                         os << "center";
2914                         break;
2915                 }
2916
2917                 os << "\" valign=\"";
2918                 switch (getVAlignment(cell)) {
2919                 case LYX_VALIGN_TOP:
2920                         os << "top";
2921                         break;
2922                 case LYX_VALIGN_BOTTOM:
2923                         os << "bottom";
2924                         break;
2925                 case LYX_VALIGN_MIDDLE:
2926                         os << "middle";
2927                 }
2928                 os << '"';
2929
2930                 if (isMultiColumn(cell)) {
2931                         os << " namest=\"col" << c << "\" ";
2932                         os << "nameend=\"col" << c + columnSpan(cell) - 1 << '"';
2933                 }
2934
2935                 os << '>';
2936                 ret += cellInset(cell)->docbook(os, runparams);
2937                 os << "</entry>\n";
2938                 ++cell;
2939         }
2940         os << "</row>\n";
2941         return ret;
2942 }
2943
2944
2945 int Tabular::docbook(odocstream & os, OutputParams const & runparams) const
2946 {
2947         int ret = 0;
2948
2949         //+---------------------------------------------------------------------
2950         //+                      first the opening preamble                    +
2951         //+---------------------------------------------------------------------
2952
2953         os << "<tgroup cols=\"" << ncols()
2954            << "\" colsep=\"1\" rowsep=\"1\">\n";
2955
2956         for (col_type c = 0; c < ncols(); ++c) {
2957                 os << "<colspec colname=\"col" << c << "\" align=\"";
2958                 switch (column_info[c].alignment) {
2959                 case LYX_ALIGN_LEFT:
2960                         os << "left";
2961                         break;
2962                 case LYX_ALIGN_RIGHT:
2963                         os << "right";
2964                         break;
2965                 default:
2966                         os << "center";
2967                         break;
2968                 }
2969                 os << '"';
2970                 if (runparams.flavor == OutputParams::XML)
2971                         os << '/';
2972                 os << ">\n";
2973                 ++ret;
2974         }
2975
2976         //+---------------------------------------------------------------------
2977         //+                      Long Tabular case                             +
2978         //+---------------------------------------------------------------------
2979
2980         // output caption info
2981         // The caption flag wins over head/foot
2982         if (haveLTCaption()) {
2983                 os << "<caption>\n";
2984                 ++ret;
2985                 for (row_type r = 0; r < nrows(); ++r) {
2986                         if (row_info[r].caption) {
2987                                 ret += docbookRow(os, r, runparams);
2988                         }
2989                 }
2990                 os << "</caption>\n";
2991                 ++ret;
2992         }
2993         // output header info
2994         if (haveLTHead(false) || haveLTFirstHead(false)) {
2995                 os << "<thead>\n";
2996                 ++ret;
2997                 for (row_type r = 0; r < nrows(); ++r) {
2998                         if ((row_info[r].endhead || row_info[r].endfirsthead) &&
2999                             !row_info[r].caption) {
3000                                 ret += docbookRow(os, r, runparams);
3001                         }
3002                 }
3003                 os << "</thead>\n";
3004                 ++ret;
3005         }
3006         // output footer info
3007         if (haveLTFoot(false) || haveLTLastFoot(false)) {
3008                 os << "<tfoot>\n";
3009                 ++ret;
3010                 for (row_type r = 0; r < nrows(); ++r) {
3011                         if ((row_info[r].endfoot || row_info[r].endlastfoot) &&
3012                             !row_info[r].caption) {
3013                                 ret += docbookRow(os, r, runparams);
3014                         }
3015                 }
3016                 os << "</tfoot>\n";
3017                 ++ret;
3018         }
3019
3020         //+---------------------------------------------------------------------
3021         //+                      the single row and columns (cells)            +
3022         //+---------------------------------------------------------------------
3023
3024         os << "<tbody>\n";
3025         ++ret;
3026         for (row_type r = 0; r < nrows(); ++r) {
3027                 if (isValidRow(r)) {
3028                         ret += docbookRow(os, r, runparams);
3029                 }
3030         }
3031         os << "</tbody>\n";
3032         ++ret;
3033         //+---------------------------------------------------------------------
3034         //+                      the closing of the tabular                    +
3035         //+---------------------------------------------------------------------
3036
3037         os << "</tgroup>";
3038         ++ret;
3039
3040         return ret;
3041 }
3042
3043
3044 docstring Tabular::xhtmlRow(XHTMLStream & xs, row_type row,
3045                            OutputParams const & runparams, bool header) const
3046 {
3047         docstring ret;
3048         string const celltag = header ? "th" : "td";
3049         idx_type cell = getFirstCellInRow(row);
3050
3051         xs << html::StartTag("tr");
3052         for (col_type c = 0; c < ncols(); ++c) {
3053                 if (isPartOfMultiColumn(row, c) || isPartOfMultiRow(row, c))
3054                         continue;
3055
3056                 stringstream attr;
3057
3058                 Length const cwidth = column_info[c].p_width;
3059                 if (!cwidth.zero()) {
3060                         string const hwidth = cwidth.asHTMLString();
3061                         attr << "style =\"width: " << hwidth << ";\" ";
3062                 }
3063
3064                 attr << "align='";
3065                 switch (getAlignment(cell)) {
3066                 case LYX_ALIGN_LEFT:
3067                         attr << "left";
3068                         break;
3069                 case LYX_ALIGN_RIGHT:
3070                         attr << "right";
3071                         break;
3072                 default:
3073                         attr << "center";
3074                         break;
3075                 }
3076                 attr << "'";
3077                 attr << " valign='";
3078                 switch (getVAlignment(cell)) {
3079                 case LYX_VALIGN_TOP:
3080                         attr << "top";
3081                         break;
3082                 case LYX_VALIGN_BOTTOM:
3083                         attr << "bottom";
3084                         break;
3085                 case LYX_VALIGN_MIDDLE:
3086                         attr << "middle";
3087                 }
3088                 attr << "'";
3089
3090                 if (isMultiColumn(cell))
3091                         attr << " colspan='" << columnSpan(cell) << "'";
3092                 else if (isMultiRow(cell))
3093                         attr << " rowspan='" << rowSpan(cell) << "'";
3094
3095                 xs << html::StartTag(celltag, attr.str(), true) << html::CR();
3096                 ret += cellInset(cell)->xhtml(xs, runparams);
3097                 xs << html::EndTag(celltag) << html::CR();
3098                 ++cell;
3099         }
3100         xs << html::EndTag("tr");
3101         return ret;
3102 }
3103
3104
3105 docstring Tabular::xhtml(XHTMLStream & xs, OutputParams const & runparams) const
3106 {
3107         docstring ret;
3108
3109         if (is_long_tabular) {
3110                 // we'll wrap it in a div, so as to deal with alignment
3111                 string align;
3112                 switch (longtabular_alignment) {
3113                 case LYX_LONGTABULAR_ALIGN_LEFT:
3114                         align = "left";
3115                         break;
3116                 case LYX_LONGTABULAR_ALIGN_CENTER:
3117                         align = "center";
3118                         break;
3119                 case LYX_LONGTABULAR_ALIGN_RIGHT:
3120                         align = "right";
3121                         break;
3122                 }
3123                 xs << html::StartTag("div", "class='longtable' style='text-align: " + align + ";'")
3124                    << html::CR();
3125                 // The caption flag wins over head/foot
3126                 if (haveLTCaption()) {
3127                         xs << html::StartTag("div", "class='longtable-caption' style='text-align: " + align + ";'")
3128                            << html::CR();
3129                         for (row_type r = 0; r < nrows(); ++r)
3130                                 if (row_info[r].caption)
3131                                         ret += xhtmlRow(xs, r, runparams);
3132                         xs << html::EndTag("div") << html::CR();
3133                 }
3134         }
3135
3136         xs << html::StartTag("table") << html::CR();
3137
3138         // output header info
3139         bool const havefirsthead = haveLTFirstHead(false);
3140         // if we have a first head, then we are going to ignore the
3141         // headers for the additional pages, since there aren't any
3142         // in XHTML. this test accomplishes that.
3143         bool const havehead = !havefirsthead && haveLTHead(false);
3144         if (havehead || havefirsthead) {
3145                 xs << html::StartTag("thead") << html::CR();
3146                 for (row_type r = 0; r < nrows(); ++r) {
3147                         if (((havefirsthead && row_info[r].endfirsthead) ||
3148                              (havehead && row_info[r].endhead)) &&
3149                             !row_info[r].caption) {
3150                                 ret += xhtmlRow(xs, r, runparams, true);
3151                         }
3152                 }
3153                 xs << html::EndTag("thead") << html::CR();
3154         }
3155         // output footer info
3156         bool const havelastfoot = haveLTLastFoot(false);
3157         // as before.
3158         bool const havefoot = !havelastfoot && haveLTFoot(false);
3159         if (havefoot || havelastfoot) {
3160                 xs << html::StartTag("tfoot") << html::CR();
3161                 for (row_type r = 0; r < nrows(); ++r) {
3162                         if (((havelastfoot && row_info[r].endlastfoot) ||
3163                              (havefoot && row_info[r].endfoot)) &&
3164                             !row_info[r].caption) {
3165                                 ret += xhtmlRow(xs, r, runparams);
3166                         }
3167                 }
3168                 xs << html::EndTag("tfoot") << html::CR();
3169         }
3170
3171         xs << html::StartTag("tbody") << html::CR();
3172         for (row_type r = 0; r < nrows(); ++r) {
3173                 if (isValidRow(r)) {
3174                         ret += xhtmlRow(xs, r, runparams);
3175                 }
3176         }
3177         xs << html::EndTag("tbody")
3178            << html::CR()
3179            << html::EndTag("table")
3180            << html::CR();
3181         if (is_long_tabular)
3182                 xs << html::EndTag("div") << html::CR();
3183         return ret;
3184 }
3185
3186
3187 bool Tabular::plaintextTopHLine(odocstringstream & os, row_type row,
3188                                    vector<unsigned int> const & clen) const
3189 {
3190         idx_type const fcell = getFirstCellInRow(row);
3191         idx_type const n = numberOfCellsInRow(row) + fcell;
3192         idx_type tmp = 0;
3193
3194         for (idx_type i = fcell; i < n; ++i) {
3195                 if (topLine(i)) {
3196                         ++tmp;
3197                         break;
3198                 }
3199         }
3200         if (!tmp)
3201                 return false;
3202
3203         char_type ch;
3204         for (idx_type i = fcell; i < n; ++i) {
3205                 if (topLine(i)) {
3206                         if (leftLine(i))
3207                                 os << "+-";
3208                         else
3209                                 os << "--";
3210                         ch = '-';
3211                 } else {
3212                         os << "  ";
3213                         ch = ' ';
3214                 }
3215                 col_type column = cellColumn(i);
3216                 int len = clen[column];
3217                 while (column < ncols() - 1
3218                        && isPartOfMultiColumn(row, ++column))
3219                         len += clen[column] + 4;
3220                 os << docstring(len, ch);
3221                 if (topLine(i)) {
3222                         if (rightLine(i))
3223                                 os << "-+";
3224                         else
3225                                 os << "--";
3226                 } else {
3227                         os << "  ";
3228                 }
3229         }
3230         os << endl;
3231         return true;
3232 }
3233
3234
3235 bool Tabular::plaintextBottomHLine(odocstringstream & os, row_type row,
3236                                       vector<unsigned int> const & clen) const
3237 {
3238         idx_type const fcell = getFirstCellInRow(row);
3239         idx_type const n = numberOfCellsInRow(row) + fcell;
3240         idx_type tmp = 0;
3241
3242         for (idx_type i = fcell; i < n; ++i) {
3243                 if (bottomLine(i)) {
3244                         ++tmp;
3245                         break;
3246                 }
3247         }
3248         if (!tmp)
3249                 return false;
3250
3251         char_type ch;
3252         for (idx_type i = fcell; i < n; ++i) {
3253                 if (bottomLine(i)) {
3254                         if (leftLine(i))
3255                                 os << "+-";
3256                         else
3257                                 os << "--";
3258                         ch = '-';
3259                 } else {
3260                         os << "  ";
3261                         ch = ' ';
3262                 }
3263                 col_type column = cellColumn(i);
3264                 int len = clen[column];
3265                 while (column < ncols() - 1 && isPartOfMultiColumn(row, ++column))
3266                         len += clen[column] + 4;
3267                 os << docstring(len, ch);
3268                 if (bottomLine(i)) {
3269                         if (rightLine(i))
3270                                 os << "-+";
3271                         else
3272                                 os << "--";
3273                 } else {
3274                         os << "  ";
3275                 }
3276         }
3277         os << endl;
3278         return true;
3279 }
3280
3281
3282 void Tabular::plaintextPrintCell(odocstringstream & os,
3283                                OutputParams const & runparams,
3284                                idx_type cell, row_type row, col_type column,
3285                                vector<unsigned int> const & clen,
3286                                bool onlydata, size_t max_length) const
3287 {
3288         odocstringstream sstr;
3289         cellInset(cell)->plaintext(sstr, runparams, max_length);
3290
3291         if (onlydata) {
3292                 os << sstr.str();
3293                 return;
3294         }
3295
3296         if (leftLine(cell))
3297                 os << "| ";
3298         else
3299                 os << "  ";
3300
3301         unsigned int len1 = sstr.str().length();
3302         unsigned int len2 = clen[column];
3303         while (column < ncols() - 1 && isPartOfMultiColumn(row, ++column))
3304                 len2 += clen[column] + 4;
3305         len2 -= len1;
3306
3307         switch (getAlignment(cell)) {
3308         default:
3309         case LYX_ALIGN_LEFT:
3310                 len1 = 0;
3311                 break;
3312         case LYX_ALIGN_RIGHT:
3313                 len1 = len2;
3314                 len2 = 0;
3315                 break;
3316         case LYX_ALIGN_CENTER:
3317                 len1 = len2 / 2;
3318                 len2 -= len1;
3319                 break;
3320         }
3321
3322         os << docstring(len1, ' ') << sstr.str()
3323            << docstring(len2, ' ');
3324
3325         if (rightLine(cell))
3326                 os << " |";
3327         else
3328                 os << "  ";
3329 }
3330
3331
3332 void Tabular::plaintext(odocstringstream & os,
3333                            OutputParams const & runparams, int const depth,
3334                            bool onlydata, char_type delim, size_t max_length) const
3335 {
3336         // first calculate the width of the single columns
3337         vector<unsigned int> clen(ncols());
3338
3339         if (!onlydata) {
3340                 // first all non multicolumn cells!
3341                 for (col_type c = 0; c < ncols(); ++c) {
3342                         clen[c] = 0;
3343                         for (row_type r = 0; r < nrows(); ++r) {
3344                                 idx_type cell = cellIndex(r, c);
3345                                 if (isMultiColumn(cell))
3346                                         continue;
3347                                 odocstringstream sstr;
3348                                 cellInset(cell)->plaintext(sstr, runparams, max_length);
3349                                 if (clen[c] < sstr.str().length())
3350                                         clen[c] = sstr.str().length();
3351                         }
3352                 }
3353                 // then all multicolumn cells!
3354                 for (col_type c = 0; c < ncols(); ++c) {
3355                         for (row_type r = 0; r < nrows(); ++r) {
3356                                 idx_type cell = cellIndex(r, c);
3357                                 if (cell_info[r][c].multicolumn != CELL_BEGIN_OF_MULTICOLUMN)
3358                                         continue;
3359                                 odocstringstream sstr;
3360                                 cellInset(cell)->plaintext(sstr, runparams, max_length);
3361                                 int len = int(sstr.str().length());
3362                                 idx_type const n = columnSpan(cell);
3363                                 for (col_type k = c; len > 0 && k < c + n - 1; ++k)
3364                                         len -= clen[k];
3365                                 if (len > int(clen[c + n - 1]))
3366                                         clen[c + n - 1] = len;
3367                         }
3368                 }
3369         }
3370         idx_type cell = 0;
3371         for (row_type r = 0; r < nrows(); ++r) {
3372                 if (!onlydata && plaintextTopHLine(os, r, clen))
3373                         os << docstring(depth * 2, ' ');
3374                 for (col_type c = 0; c < ncols(); ++c) {
3375                         if (isPartOfMultiColumn(r, c) || isPartOfMultiRow(r,c))
3376                                 continue;
3377                         if (onlydata && c > 0)
3378                                 // we don't use operator<< for single UCS4 character.
3379                                 // see explanation in docstream.h
3380                                 os.put(delim);
3381                         plaintextPrintCell(os, runparams, cell, r, c, clen, onlydata, max_length);
3382                         ++cell;
3383                         if (os.str().size() > max_length)
3384                                 break;
3385                 }
3386                 os << endl;
3387                 if (!onlydata) {
3388                         os << docstring(depth * 2, ' ');
3389                         if (plaintextBottomHLine(os, r, clen))
3390                                 os << docstring(depth * 2, ' ');
3391                 }
3392                 if (os.str().size() > max_length)
3393                         break;
3394         }
3395 }
3396
3397
3398 shared_ptr<InsetTableCell> Tabular::cellInset(idx_type cell)
3399 {
3400         return cell_info[cellRow(cell)][cellColumn(cell)].inset;
3401 }
3402
3403
3404 shared_ptr<InsetTableCell> Tabular::cellInset(row_type row, col_type column)
3405 {
3406         return cell_info[row][column].inset;
3407 }
3408
3409
3410 InsetTableCell const * Tabular::cellInset(idx_type cell) const
3411 {
3412         return cell_info[cellRow(cell)][cellColumn(cell)].inset.get();
3413 }
3414
3415
3416 void Tabular::setCellInset(row_type row, col_type column,
3417                            shared_ptr<InsetTableCell> ins)
3418 {
3419         CellData & cd = cell_info[row][column];
3420         cd.inset = ins;
3421 }
3422
3423
3424 void Tabular::validate(LaTeXFeatures & features) const
3425 {
3426         features.require("NeedTabularnewline");
3427         if (use_booktabs)
3428                 features.require("booktabs");
3429         if (is_long_tabular)
3430                 features.require("longtable");
3431         if (needRotating())
3432                 features.require("rotating");
3433         for (idx_type cell = 0; cell < numberofcells; ++cell) {
3434                 if (isMultiRow(cell))
3435                         features.require("multirow");
3436                 if (getVAlignment(cell) != LYX_VALIGN_TOP
3437                     || !getPWidth(cell).zero())
3438                         features.require("array");
3439                 // Tell footnote that we need a savenote
3440                 // environment in non-long tables or
3441                 // longtable headers/footers
3442                 else if (!is_long_tabular && !features.inFloat())
3443                         features.saveNoteEnv("tabular");
3444                 else if (!isValidRow(cellRow(cell)))
3445                         features.saveNoteEnv("longtable");
3446
3447                 cellInset(cell)->validate(features);
3448                 features.saveNoteEnv(string());
3449         }
3450 }
3451
3452
3453 Tabular::BoxType Tabular::useParbox(idx_type cell) const
3454 {
3455         ParagraphList const & parlist = cellInset(cell)->paragraphs();
3456         ParagraphList::const_iterator cit = parlist.begin();
3457         ParagraphList::const_iterator end = parlist.end();
3458
3459         for (; cit != end; ++cit)
3460                 for (int i = 0; i < cit->size(); ++i)
3461                         if (cit->isNewline(i))
3462                                 return BOX_PARBOX;
3463
3464         return BOX_NONE;
3465 }
3466
3467
3468 /////////////////////////////////////////////////////////////////////
3469 //
3470 // InsetTableCell
3471 //
3472 /////////////////////////////////////////////////////////////////////
3473
3474 InsetTableCell::InsetTableCell(Buffer * buf)
3475         : InsetText(buf, InsetText::PlainLayout), isFixedWidth(false),
3476           contentAlign(LYX_ALIGN_CENTER)
3477 {}
3478
3479
3480 bool InsetTableCell::forcePlainLayout(idx_type) const
3481 {
3482         return !isFixedWidth;
3483 }
3484
3485
3486 bool InsetTableCell::allowParagraphCustomization(idx_type) const
3487 {
3488         return isFixedWidth;
3489 }
3490
3491
3492 bool InsetTableCell::forceLocalFontSwitch() const
3493 {
3494         return isFixedWidth;
3495 }
3496
3497
3498 bool InsetTableCell::getStatus(Cursor & cur, FuncRequest const & cmd,
3499         FuncStatus & status) const
3500 {
3501         bool enabled = true;
3502         switch (cmd.action()) {
3503         case LFUN_MATH_DISPLAY:
3504                 if (!hasFixedWidth()) {
3505                         enabled = false;
3506                         break;
3507                 } //fall-through
3508         default:
3509                 return InsetText::getStatus(cur, cmd, status);
3510         }
3511         status.setEnabled(enabled);
3512         return true;
3513 }
3514
3515 docstring InsetTableCell::asString(bool intoInsets)
3516 {
3517         docstring retval;
3518         if (paragraphs().empty())
3519                 return retval;
3520         ParagraphList::const_iterator it = paragraphs().begin();
3521         ParagraphList::const_iterator en = paragraphs().end();
3522         bool first = true;
3523         for (; it != en; ++it) {
3524                 if (!first)
3525                         retval += "\n";
3526                 else
3527                         first = false;
3528                 retval += it->asString(intoInsets ? AS_STR_INSETS : AS_STR_NONE);
3529         }
3530         return retval;
3531 }
3532
3533
3534 void InsetTableCell::addToToc(DocIterator const & di, bool output_active,
3535                                                           UpdateType utype, TocBackend & backend) const
3536 {
3537         InsetText::iterateForToc(di, output_active, utype, backend);
3538 }
3539
3540
3541 docstring InsetTableCell::xhtml(XHTMLStream & xs, OutputParams const & rp) const
3542 {
3543         if (!isFixedWidth)
3544                 return InsetText::insetAsXHTML(xs, rp, InsetText::JustText);
3545         return InsetText::xhtml(xs, rp);
3546 }
3547
3548
3549
3550 /////////////////////////////////////////////////////////////////////
3551 //
3552 // InsetTabular
3553 //
3554 /////////////////////////////////////////////////////////////////////
3555
3556 InsetTabular::InsetTabular(Buffer * buf, row_type rows,
3557                            col_type columns)
3558         : Inset(buf), tabular(buf, max(rows, row_type(1)), max(columns, col_type(1))),
3559           rowselect_(false), colselect_(false)
3560 {
3561 }
3562
3563
3564 InsetTabular::InsetTabular(InsetTabular const & tab)
3565         : Inset(tab), tabular(tab.tabular),
3566           rowselect_(false), colselect_(false)
3567 {
3568 }
3569
3570
3571 InsetTabular::~InsetTabular()
3572 {
3573         hideDialogs("tabular", this);
3574 }
3575
3576
3577 void InsetTabular::setBuffer(Buffer & buf)
3578 {
3579         tabular.setBuffer(buf);
3580         Inset::setBuffer(buf);
3581 }
3582
3583
3584 bool InsetTabular::insetAllowed(InsetCode code) const
3585 {
3586         switch (code) {
3587         case FLOAT_CODE:
3588         case MARGIN_CODE:
3589         case MATHMACRO_CODE:
3590         case WRAP_CODE:
3591                 return false;
3592
3593         case CAPTION_CODE:
3594                 return tabular.is_long_tabular;
3595
3596         default:
3597                 return true;
3598         }
3599 }
3600
3601
3602 bool InsetTabular::allowsCaptionVariation(std::string const & newtype) const
3603 {
3604         return tabular.is_long_tabular &&
3605                 (newtype == "Standard" || newtype == "Unnumbered");
3606 }
3607
3608
3609 void InsetTabular::write(ostream & os) const
3610 {
3611         os << "Tabular" << endl;
3612         tabular.write(os);
3613 }
3614
3615
3616 string InsetTabular::contextMenu(BufferView const &, int, int) const
3617 {
3618         // FIXME: depending on the selection state,
3619         // we could offer a different menu.
3620         return cell(0)->contextMenuName() + ";" + contextMenuName();
3621 }
3622
3623
3624 string InsetTabular::contextMenuName() const
3625 {
3626         return "context-tabular";
3627 }
3628
3629
3630 void InsetTabular::read(Lexer & lex)
3631 {
3632         //bool const old_format = (lex.getString() == "\\LyXTable");
3633
3634         tabular.read(lex);
3635
3636         //if (old_format)
3637         //      return;
3638
3639         lex.next();
3640         string token = lex.getString();
3641         while (lex && token != "\\end_inset") {
3642                 lex.next();
3643                 token = lex.getString();
3644         }
3645         if (!lex)
3646                 lex.printError("Missing \\end_inset at this point. ");
3647 }
3648
3649
3650 int InsetTabular::rowFromY(Cursor & cur, int y) const
3651 {
3652         // top y coordinate of tabular
3653         int h = yo(cur.bv()) - tabular.rowAscent(0) + tabular.offsetVAlignment();
3654         row_type r = 0;
3655         for (; r < tabular.nrows() && y > h; ++r)
3656                 h += tabular.rowAscent(r) + tabular.rowDescent(r)
3657                         + tabular.interRowSpace(r);
3658
3659         return r - 1;
3660 }
3661
3662
3663 int InsetTabular::columnFromX(Cursor & cur, int x) const
3664 {
3665         // left x coordinate of tabular
3666         int w = xo(cur.bv()) + ADD_TO_TABULAR_WIDTH;
3667         col_type c = 0;
3668         for (; c < tabular.ncols() && x > w; ++c)
3669                 w += tabular.cellWidth(c);
3670         return c - 1;
3671 }
3672
3673
3674 void InsetTabular::metrics(MetricsInfo & mi, Dimension & dim) const
3675 {
3676         //lyxerr << "InsetTabular::metrics: " << mi.base.bv << " width: " <<
3677         //      mi.base.textwidth << "\n";
3678         LBUFERR(mi.base.bv);
3679
3680         for (row_type r = 0; r < tabular.nrows(); ++r) {
3681                 int maxasc = 0;
3682                 int maxdes = 0;
3683                 for (col_type c = 0; c < tabular.ncols(); ++c) {
3684                         if (tabular.isPartOfMultiColumn(r, c)
3685                                 || tabular.isPartOfMultiRow(r, c))
3686                                 // multicolumn or multirow cell, but not first one
3687                                 continue;
3688                         idx_type const cell = tabular.cellIndex(r, c);
3689                         Dimension dim;
3690                         MetricsInfo m = mi;
3691                         Length const p_width = tabular.getPWidth(cell);
3692                         if (!p_width.zero())
3693                                 m.base.textwidth = p_width.inPixels(mi.base);
3694                         tabular.cellInset(cell)->metrics(m, dim);
3695                         if (!p_width.zero())
3696                                 dim.wid = m.base.textwidth;
3697                         tabular.cellInfo(cell).width = dim.wid + 2 * WIDTH_OF_LINE
3698                                 + tabular.interColumnSpace(cell);
3699
3700                         // FIXME(?): do we need a second metrics call?
3701                         TextMetrics const & tm =
3702                                 mi.base.bv->textMetrics(tabular.cellInset(cell)->getText(0));
3703
3704                         // determine horizontal offset because of decimal align (if necessary)
3705                         int decimal_width = 0;
3706                         if (tabular.getAlignment(cell) == LYX_ALIGN_DECIMAL) {
3707                                 InsetTableCell tail = InsetTableCell(*tabular.cellInset(cell));
3708                                 tail.setBuffer(tabular.buffer());
3709                                 // we need to set macrocontext position everywhere
3710                                 // otherwise we crash with nested insets (e.g. footnotes)
3711                                 // after decimal point
3712                                 DocIterator dit = tabular.cellInset(cell)->getText(0)->macrocontextPosition();
3713                                 dit.pop_back();
3714                                 dit.push_back(CursorSlice(tail));
3715                                 tail.setMacrocontextPositionRecursive(dit);
3716
3717                                 // remove text leading decimal point
3718                                 docstring const align_d = tabular.column_info[c].decimal_point;
3719                                 dit = separatorPos(&tail, align_d);
3720
3721                                 pit_type const psize = tail.paragraphs().front().size();
3722                                 if (dit) {
3723                                         tail.paragraphs().front().eraseChars(0,
3724                                                 dit.pos() < psize ? dit.pos() + 1 : psize, false);
3725                                         Dimension dim1;
3726                                         tail.metrics(m, dim1);
3727                                         decimal_width = dim1.width();
3728                                 }
3729                         }
3730                         tabular.cell_info[r][c].decimal_hoffset = tm.width() - decimal_width;
3731                         tabular.cell_info[r][c].decimal_width = decimal_width;
3732
3733                         // with LYX_VALIGN_BOTTOM the descent is relative to the last par
3734                         // = descent of text in last par + TEXT_TO_INSET_OFFSET:
3735                         int const lastpardes = tm.last().second->descent()
3736                                 + TEXT_TO_INSET_OFFSET;
3737                         int offset = 0;
3738                         switch (tabular.getVAlignment(cell)) {
3739                                 case Tabular::LYX_VALIGN_TOP:
3740                                         break;
3741                                 case Tabular::LYX_VALIGN_MIDDLE:
3742                                         offset = -(dim.des - lastpardes)/2;
3743                                         break;
3744                                 case Tabular::LYX_VALIGN_BOTTOM:
3745                                         offset = -(dim.des - lastpardes);
3746                                         break;
3747                         }
3748                         tabular.cell_info[r][c].voffset = offset;
3749                         maxasc = max(maxasc, dim.asc - offset);
3750                         maxdes = max(maxdes, dim.des + offset);
3751                 }
3752                 int const top_space = tabular.row_info[r].top_space_default ?
3753                         default_line_space :
3754                         tabular.row_info[r].top_space.inPixels(mi.base);
3755                 tabular.setRowAscent(r, maxasc + ADD_TO_HEIGHT + top_space);
3756                 int const bottom_space = tabular.row_info[r].bottom_space_default ?
3757                         default_line_space :
3758                         tabular.row_info[r].bottom_space.inPixels(mi.base);
3759                 tabular.setRowDescent(r, maxdes + ADD_TO_HEIGHT + bottom_space);
3760         }
3761
3762         tabular.updateColumnWidths();
3763         dim.asc = tabular.rowAscent(0) - tabular.offsetVAlignment();
3764         dim.des = tabular.height() - dim.asc;
3765         dim.wid = tabular.width() + 2 * ADD_TO_TABULAR_WIDTH;
3766 }
3767
3768
3769 bool InsetTabular::isCellSelected(Cursor & cur, row_type row, col_type col)
3770         const
3771 {
3772         if (&cur.inset() == this && cur.selection()) {
3773                 if (cur.selIsMultiCell()) {
3774                         row_type rs, re;
3775                         col_type cs, ce;
3776                         getSelection(cur, rs, re, cs, ce);
3777
3778                         idx_type const cell = tabular.cellIndex(row, col);
3779                         col_type const cspan = tabular.columnSpan(cell);
3780                         row_type const rspan = tabular.rowSpan(cell);
3781                         if (col + cspan - 1 >= cs && col <= ce
3782                                 && row + rspan - 1 >= rs && row <= re)
3783                                 return true;
3784                 } else
3785                         if (col == tabular.cellColumn(cur.idx())
3786                                 && row == tabular.cellRow(cur.idx())) {
3787                         CursorSlice const & beg = cur.selBegin();
3788                         CursorSlice const & end = cur.selEnd();
3789
3790                         if ((end.lastpos() > 0 || end.lastpit() > 0)
3791                                   && end.pos() == end.lastpos() && beg.pos() == 0
3792                                   && end.pit() == end.lastpit() && beg.pit() == 0)
3793                                 return true;
3794                 }
3795         }
3796         return false;
3797 }
3798
3799
3800 void InsetTabular::draw(PainterInfo & pi, int x, int y) const
3801 {
3802         x += ADD_TO_TABULAR_WIDTH;
3803
3804         BufferView * bv = pi.base.bv;
3805         Cursor & cur = pi.base.bv->cursor();
3806
3807         // FIXME: As the full background is painted in drawBackground(),
3808         // we have no choice but to do a full repaint for the Text cells.
3809         pi.full_repaint = true;
3810
3811         bool const original_selection_state = pi.selected;
3812
3813         idx_type idx = 0;
3814
3815         int yy = y + tabular.offsetVAlignment();
3816         for (row_type r = 0; r < tabular.nrows(); ++r) {
3817                 int nx = x;
3818                 for (col_type c = 0; c < tabular.ncols(); ++c) {
3819                         if (tabular.isPartOfMultiColumn(r, c))
3820                                 continue;
3821
3822                         idx = tabular.cellIndex(r, c);
3823
3824                         if (tabular.isPartOfMultiRow(r, c)) {
3825                                 nx += tabular.cellWidth(idx);
3826                                 continue;
3827                         }
3828
3829                         pi.selected |= isCellSelected(cur, r, c);
3830                         int const cx = nx + tabular.textHOffset(idx);
3831                         int const cy = yy + tabular.textVOffset(idx);
3832                         // Cache the Inset position.
3833                         bv->coordCache().insets().add(cell(idx).get(), cx, cy);
3834                         cell(idx)->draw(pi, cx, cy);
3835                         drawCellLines(pi, nx, yy, r, idx);
3836                         nx += tabular.cellWidth(idx);
3837                         pi.selected = original_selection_state;
3838                 }
3839
3840                 if (r + 1 < tabular.nrows())
3841                         yy += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
3842                                 + tabular.interRowSpace(r + 1);
3843         }
3844 }
3845
3846
3847 void InsetTabular::drawBackground(PainterInfo & pi, int x, int y) const
3848 {
3849         x += ADD_TO_TABULAR_WIDTH;
3850         y += tabular.offsetVAlignment() - tabular.rowAscent(0);
3851         pi.pain.fillRectangle(x, y, tabular.width(), tabular.height(),
3852                 pi.backgroundColor(this));
3853 }
3854
3855
3856 void InsetTabular::drawSelection(PainterInfo & pi, int x, int y) const
3857 {
3858         Cursor & cur = pi.base.bv->cursor();
3859
3860         x += ADD_TO_TABULAR_WIDTH;
3861
3862         if (!cur.selection())
3863                 return;
3864         if (&cur.inset() != this)
3865                 return;
3866
3867         //resetPos(cur);
3868
3869         bool const full_cell_selected = isCellSelected(cur,
3870                 tabular.cellRow(cur.idx()), tabular.cellColumn(cur.idx()));
3871
3872         if (cur.selIsMultiCell() || full_cell_selected) {
3873                 for (row_type r = 0; r < tabular.nrows(); ++r) {
3874                         int xx = x;
3875                         for (col_type c = 0; c < tabular.ncols(); ++c) {
3876                                 if (tabular.isPartOfMultiColumn(r, c))
3877                                         continue;
3878
3879                                 idx_type const cell = tabular.cellIndex(r, c);
3880
3881                                 if (tabular.isPartOfMultiRow(r, c)) {
3882                                         xx += tabular.cellWidth(cell);
3883                                         continue;
3884                                 }
3885                                 int const w = tabular.cellWidth(cell);
3886                                 int const h = tabular.cellHeight(cell);
3887                                 int const yy = y - tabular.rowAscent(r) + tabular.offsetVAlignment();
3888                                 if (isCellSelected(cur, r, c))
3889                                         pi.pain.fillRectangle(xx, yy, w, h, Color_selection);
3890                                 xx += w;
3891                         }
3892                         if (r + 1 < tabular.nrows())
3893                                 y += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
3894                                      + tabular.interRowSpace(r + 1);
3895                 }
3896
3897         }
3898         // FIXME: This code has no effect because InsetTableCell does not handle
3899         // drawSelection other than the trivial implementation in Inset.
3900         //else {
3901         //      x += cellXPos(cur.idx());
3902         //      x += tabular.textHOffset(cur.idx());
3903         //      cell(cur.idx())->drawSelection(pi, x, 0 /* ignored */);
3904         //}
3905 }
3906
3907
3908 void InsetTabular::drawCellLines(PainterInfo & pi, int x, int y,
3909                                  row_type row, idx_type cell) const
3910 {
3911         y -= tabular.rowAscent(row);
3912         int const w = tabular.cellWidth(cell);
3913         int const h = tabular.cellHeight(cell);
3914         Color const linecolor = pi.textColor(Color_tabularline);
3915         Color const gridcolor = pi.textColor(Color_tabularonoffline);
3916
3917         // Top
3918         bool drawline = tabular.topLine(cell)
3919                 || (row > 0 && tabular.bottomLine(tabular.cellAbove(cell)));
3920         pi.pain.line(x, y, x + w, y,
3921                 drawline ? linecolor : gridcolor,
3922                 drawline ? Painter::line_solid : Painter::line_onoffdash);
3923
3924         // Bottom
3925         drawline = tabular.bottomLine(cell);
3926         pi.pain.line(x, y + h, x + w, y + h,
3927                 drawline ? linecolor : gridcolor,
3928                 drawline ? Painter::line_solid : Painter::line_onoffdash);
3929
3930         // Left
3931         col_type const col = tabular.cellColumn(cell);
3932         drawline = tabular.leftLine(cell)
3933                 || (col > 0 && tabular.rightLine(tabular.cellIndex(row, col - 1)));
3934         pi.pain.line(x, y, x, y + h,
3935                 drawline ? linecolor : gridcolor,
3936                 drawline ? Painter::line_solid : Painter::line_onoffdash);
3937
3938         // Right
3939         x -= tabular.interColumnSpace(cell);
3940         col_type next_cell_col = col + 1;
3941         while (next_cell_col < tabular.ncols()
3942                 && tabular.isMultiColumn(tabular.cellIndex(row, next_cell_col)))
3943                 next_cell_col++;
3944         drawline = tabular.rightLine(cell)
3945                    || (next_cell_col < tabular.ncols()
3946                        && tabular.leftLine(tabular.cellIndex(row, next_cell_col)));
3947         pi.pain.line(x + w, y, x + w, y + h,
3948                 drawline ? linecolor : gridcolor,
3949                 drawline ? Painter::line_solid : Painter::line_onoffdash);
3950 }
3951
3952
3953 void InsetTabular::edit(Cursor & cur, bool front, EntryDirection)
3954 {
3955         //lyxerr << "InsetTabular::edit: " << this << endl;
3956         cur.finishUndo();
3957         cur.push(*this);
3958         if (front) {
3959                 if (isRightToLeft(cur))
3960                         cur.idx() = tabular.getLastCellInRow(0);
3961                 else
3962                         cur.idx() = 0;
3963                 cur.pit() = 0;
3964                 cur.pos() = 0;
3965         } else {
3966                 if (isRightToLeft(cur))
3967                         cur.idx() = tabular.getFirstCellInRow(tabular.nrows() - 1);
3968                 else
3969                         cur.idx() = tabular.numberofcells - 1;
3970                 cur.pit() = 0;
3971                 cur.pos() = cur.lastpos(); // FIXME crude guess
3972         }
3973         cur.setCurrentFont();
3974         // FIXME: this accesses the position cache before it is initialized
3975         //cur.bv().fitCursor();
3976 }
3977
3978
3979 void InsetTabular::updateBuffer(ParIterator const & it, UpdateType utype)
3980 {
3981         // In a longtable, tell captions what the current float is
3982         Counters & cnts = buffer().masterBuffer()->params().documentClass().counters();
3983         string const saveflt = cnts.current_float();
3984         if (tabular.is_long_tabular) {
3985                 cnts.current_float("table");
3986                 // in longtables, we only step the counter once
3987                 cnts.step(from_ascii("table"), utype);
3988                 cnts.isLongtable(true);
3989         }
3990
3991         ParIterator it2 = it;
3992         it2.forwardPos();
3993         size_t const end = it2.nargs();
3994         for ( ; it2.idx() < end; it2.top().forwardIdx())
3995                 buffer().updateBuffer(it2, utype);
3996
3997         //reset afterwards
3998         if (tabular.is_long_tabular) {
3999                 cnts.current_float(saveflt);
4000                 cnts.isLongtable(false);
4001         }
4002 }
4003
4004
4005 void InsetTabular::addToToc(DocIterator const & cpit, bool output_active,
4006                                                         UpdateType utype, TocBackend & backend) const
4007 {
4008         DocIterator dit = cpit;
4009         dit.forwardPos();
4010         size_t const end = dit.nargs();
4011         for ( ; dit.idx() < end; dit.top().forwardIdx())
4012                 cell(dit.idx())->addToToc(dit, output_active, utype, backend);
4013 }
4014
4015
4016 bool InsetTabular::hitSelectRow(BufferView const & bv, int x) const
4017 {
4018         int const x0 = xo(bv) + ADD_TO_TABULAR_WIDTH;
4019         return x < x0 || x > x0 + tabular.width();
4020 }
4021
4022
4023 bool InsetTabular::hitSelectColumn(BufferView const & bv, int y) const
4024 {
4025         int const y0 = yo(bv) - tabular.rowAscent(0) + tabular.offsetVAlignment();
4026         // FIXME: using ADD_TO_TABULAR_WIDTH is not really correct since
4027         // there is no margin added vertically to tabular insets.
4028         // However, it works for now.
4029         return y < y0 + ADD_TO_TABULAR_WIDTH || y > y0 + tabular.height() - ADD_TO_TABULAR_WIDTH;
4030 }
4031
4032
4033 bool InsetTabular::clickable(BufferView const & bv, int x, int y) const
4034 {
4035         return hitSelectRow(bv, x) || hitSelectColumn(bv, y);
4036 }
4037
4038
4039 void InsetTabular::doDispatch(Cursor & cur, FuncRequest & cmd)
4040 {
4041         LYXERR(Debug::DEBUG, "# InsetTabular::doDispatch: cmd: " << cmd
4042                              << "\n  cur:" << cur);
4043         CursorSlice sl = cur.top();
4044         Cursor & bvcur = cur.bv().cursor();
4045
4046         FuncCode const act = cmd.action();
4047
4048         switch (act) {
4049
4050         case LFUN_MOUSE_PRESS: {
4051                 //lyxerr << "# InsetTabular::MousePress\n" << cur.bv().cursor() << endl;
4052                 // select row
4053                 if (hitSelectRow(cur.bv(), cmd.x())) {
4054                         row_type r = rowFromY(cur, cmd.y());
4055                         cur.idx() = tabular.getFirstCellInRow(r);
4056                         cur.pit() = 0;
4057                         cur.pos() = 0;
4058                         cur.resetAnchor();
4059                         cur.idx() = tabular.getLastCellInRow(r);
4060                         cur.pit() = cur.lastpit();
4061                         cur.pos() = cur.lastpos();
4062                         cur.selection(true);
4063                         bvcur = cur;
4064                         rowselect_ = true;
4065                         break;
4066                 }
4067                 // select column
4068                 if (hitSelectColumn(cur.bv(), cmd.y())) {
4069                         col_type c = columnFromX(cur, cmd.x());
4070                         cur.idx() = tabular.cellIndex(0, c);
4071                         cur.pit() = 0;
4072                         cur.pos() = 0;
4073                         cur.resetAnchor();
4074                         cur.idx() = tabular.cellIndex(tabular.nrows() - 1, c);
4075                         cur.pit() = cur.lastpit();
4076                         cur.pos() = cur.lastpos();
4077                         cur.selection(true);
4078                         bvcur = cur;
4079                         colselect_ = true;
4080                         break;
4081                 }
4082                 // do not reset cursor/selection if we have selected
4083                 // some cells (bug 2715).
4084                 if (cmd.button() == mouse_button::button3
4085                     && &bvcur.selBegin().inset() == this
4086                     && bvcur.selIsMultiCell())
4087                         ;
4088                 else
4089                         // Let InsetTableCell do it
4090                         cell(cur.idx())->dispatch(cur, cmd);
4091                 break;
4092         }
4093         case LFUN_MOUSE_MOTION:
4094                 //lyxerr << "# InsetTabular::MouseMotion\n" << bvcur << endl;
4095                 if (cmd.button() == mouse_button::button1) {
4096                         // only accept motions to places not deeper nested than the real anchor
4097                         if (!bvcur.realAnchor().hasPart(cur)) {
4098                                 cur.undispatched();
4099                                 break;
4100                         }
4101                         // select (additional) row
4102                         if (rowselect_) {
4103                                 row_type r = rowFromY(cur, cmd.y());
4104                                 cur.idx() = tabular.getLastCellInRow(r);
4105                                 // we need to reset the cursor's pit and pos now, as the old ones
4106                                 // may no longer be valid.
4107                                 cur.pit() = 0;
4108                                 cur.pos() = 0;
4109                                 bvcur.setCursor(cur);
4110                                 bvcur.selection(true);
4111                                 break;
4112                         }
4113                         // select (additional) column
4114                         if (colselect_) {
4115                                 col_type c = columnFromX(cur, cmd.x());
4116                                 cur.idx() = tabular.cellIndex(tabular.nrows() - 1, c);
4117                                 // we need to reset the cursor's pit and pos now, as the old ones
4118                                 // may no longer be valid.
4119                                 cur.pit() = 0;
4120                                 cur.pos() = 0;
4121                                 bvcur.setCursor(cur);
4122                                 bvcur.selection(true);
4123                                 break;
4124                         }
4125                         // only update if selection changes
4126                         if (bvcur.idx() == cur.idx() &&
4127                                 !(bvcur.realAnchor().idx() == cur.idx() && bvcur.pos() != cur.pos()))
4128                                 cur.noScreenUpdate();
4129                         setCursorFromCoordinates(cur, cmd.x(), cmd.y());
4130                         bvcur.setCursor(cur);
4131                         bvcur.selection(true);
4132                         // if this is a multicell selection, we just set the cursor to
4133                         // the beginning of the cell's text.
4134                         if (bvcur.selIsMultiCell()) {
4135                                 bvcur.pit() = bvcur.lastpit();
4136                                 bvcur.pos() = bvcur.lastpos();
4137                         }
4138                 }
4139                 break;
4140
4141         case LFUN_MOUSE_RELEASE:
4142                 rowselect_ = false;
4143                 colselect_ = false;
4144                 break;
4145
4146         case LFUN_CELL_BACKWARD:
4147                 movePrevCell(cur);
4148                 cur.selection(false);
4149                 break;
4150
4151         case LFUN_CELL_FORWARD:
4152                 moveNextCell(cur);
4153                 cur.selection(false);
4154                 break;
4155
4156         case LFUN_CHAR_FORWARD_SELECT:
4157         case LFUN_CHAR_FORWARD:
4158         case LFUN_CHAR_BACKWARD_SELECT:
4159         case LFUN_CHAR_BACKWARD:
4160         case LFUN_CHAR_RIGHT_SELECT:
4161         case LFUN_CHAR_RIGHT:
4162         case LFUN_CHAR_LEFT_SELECT:
4163         case LFUN_CHAR_LEFT:
4164         case LFUN_WORD_FORWARD:
4165         case LFUN_WORD_FORWARD_SELECT:
4166         case LFUN_WORD_BACKWARD:
4167         case LFUN_WORD_BACKWARD_SELECT:
4168         case LFUN_WORD_RIGHT:
4169         case LFUN_WORD_RIGHT_SELECT:
4170         case LFUN_WORD_LEFT:
4171         case LFUN_WORD_LEFT_SELECT: {
4172                 // determine whether we move to next or previous cell, where to enter
4173                 // the new cell from, and which command to "finish" (i.e., exit the
4174                 // inset) with:
4175                 bool next_cell;
4176                 EntryDirection entry_from = ENTRY_DIRECTION_IGNORE;
4177                 FuncCode finish_lfun;
4178
4179                 if (act == LFUN_CHAR_FORWARD
4180                                 || act == LFUN_CHAR_FORWARD_SELECT
4181                                 || act == LFUN_WORD_FORWARD
4182                                 || act == LFUN_WORD_FORWARD_SELECT) {
4183                         next_cell = true;
4184                         finish_lfun = LFUN_FINISHED_FORWARD;
4185                 }
4186                 else if (act == LFUN_CHAR_BACKWARD
4187                                 || act == LFUN_CHAR_BACKWARD_SELECT
4188                                 || act == LFUN_WORD_BACKWARD
4189                                 || act == LFUN_WORD_BACKWARD_SELECT) {
4190                         next_cell = false;
4191                         finish_lfun = LFUN_FINISHED_BACKWARD;
4192                 }
4193                 // LEFT or RIGHT commands --- the interpretation will depend on the
4194                 // table's direction.
4195                 else {
4196                         bool const right = act == LFUN_CHAR_RIGHT
4197                                 || act == LFUN_CHAR_RIGHT_SELECT
4198                                 || act == LFUN_WORD_RIGHT
4199                                 || act == LFUN_WORD_RIGHT_SELECT;
4200                         next_cell = isRightToLeft(cur) != right;
4201
4202                         if (lyxrc.visual_cursor)
4203                                 entry_from = right ? ENTRY_DIRECTION_LEFT:ENTRY_DIRECTION_RIGHT;
4204
4205                         finish_lfun = right ? LFUN_FINISHED_RIGHT : LFUN_FINISHED_LEFT;
4206                 }
4207
4208                 bool const select =     act == LFUN_CHAR_FORWARD_SELECT
4209                     || act == LFUN_CHAR_BACKWARD_SELECT
4210                     || act == LFUN_CHAR_RIGHT_SELECT
4211                     || act == LFUN_CHAR_LEFT_SELECT
4212                         || act == LFUN_WORD_FORWARD_SELECT
4213                         || act == LFUN_WORD_RIGHT_SELECT
4214                         || act == LFUN_WORD_BACKWARD_SELECT
4215                         || act == LFUN_WORD_LEFT_SELECT;
4216
4217                 // If we have a multicell selection or we're
4218                 // not doing some LFUN_*_SELECT thing anyway...
4219                 if (!cur.selIsMultiCell() || !select) {
4220                         col_type const c = tabular.cellColumn(cur.idx());
4221                         row_type const r = tabular.cellRow(cur.idx());
4222                         // Are we trying to select the whole cell and is the whole cell
4223                         // not yet selected?
4224                         bool const select_whole = select && !isCellSelected(cur, r, c) &&
4225                                 ((next_cell && cur.pit() == cur.lastpit()
4226                                 && cur.pos() == cur.lastpos())
4227                                 || (!next_cell && cur.pit() == 0 && cur.pos() == 0));
4228
4229                         bool const empty_cell = cur.lastpos() == 0 && cur.lastpit() == 0;
4230
4231                         // ...try to dispatch to the cell's inset.
4232                         cell(cur.idx())->dispatch(cur, cmd);
4233
4234                         // When we already have a selection we want to select the whole cell
4235                         // before going to the next cell.
4236                         if (select_whole && !empty_cell){
4237                                 getText(cur.idx())->selectAll(cur);
4238                                 cur.dispatched();
4239                                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
4240                                 break;
4241                         }
4242
4243                         // FIXME: When we support the selection of an empty cell, remove
4244                         // the !empty_cell from this condition. For now we jump to the next
4245                         // cell if the current cell is empty.
4246                         if (cur.result().dispatched() && !empty_cell)
4247                                 break;
4248                 }
4249
4250                 // move to next/prev cell, as appropriate
4251                 // note that we will always do this if we're selecting and we have
4252                 // a multicell selection
4253                 LYXERR(Debug::RTL, "entering " << (next_cell ? "next" : "previous")
4254                         << " cell from: " << int(entry_from));
4255                 if (next_cell)
4256                         moveNextCell(cur, entry_from);
4257                 else
4258                         movePrevCell(cur, entry_from);
4259                 // if we're exiting the table, call the appropriate FINISHED lfun
4260                 if (sl == cur.top()) {
4261                         cmd = FuncRequest(finish_lfun);
4262                         cur.undispatched();
4263                 } else
4264                         cur.dispatched();
4265
4266                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
4267                 break;
4268
4269         }
4270
4271         case LFUN_DOWN_SELECT:
4272         case LFUN_DOWN:
4273                 if (!(cur.selection() && cur.selIsMultiCell()))
4274                         cell(cur.idx())->dispatch(cur, cmd);
4275
4276                 cur.dispatched(); // override the cell's decision
4277                 if (sl == cur.top()) {
4278                         // if our Text didn't do anything to the cursor
4279                         // then we try to put the cursor into the cell below
4280                         // setting also the right targetX.
4281                         cur.selHandle(act == LFUN_DOWN_SELECT);
4282                         if (tabular.cellRow(cur.idx()) != tabular.nrows() - 1) {
4283                                 int const xtarget = cur.targetX();
4284                                 // WARNING: Once cur.idx() has been reset, the cursor is in
4285                                 // an inconsistent state until pos() has been set. Be careful
4286                                 // what you do with it!
4287                                 cur.idx() = tabular.cellBelow(cur.idx());
4288                                 cur.pit() = 0;
4289                                 TextMetrics const & tm =
4290                                         cur.bv().textMetrics(cell(cur.idx())->getText(0));
4291                                 cur.pos() = tm.x2pos(cur.pit(), 0, xtarget);
4292                                 cur.setCurrentFont();
4293                         }
4294                 }
4295                 if (sl == cur.top()) {
4296                         // we trick it to go to forward after leaving the
4297                         // tabular.
4298                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
4299                         cur.undispatched();
4300                 }
4301                 if (cur.selIsMultiCell()) {
4302                         cur.pit() = cur.lastpit();
4303                         cur.pos() = cur.lastpos();
4304                         cur.setCurrentFont();
4305                         cur.screenUpdateFlags(Update::Force | Update::FitCursor);
4306                         return;
4307                 }
4308                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
4309                 break;
4310
4311         case LFUN_UP_SELECT:
4312         case LFUN_UP:
4313                 if (!(cur.selection() && cur.selIsMultiCell()))
4314                         cell(cur.idx())->dispatch(cur, cmd);
4315                 cur.dispatched(); // override the cell's decision
4316                 if (sl == cur.top()) {
4317                         // if our Text didn't do anything to the cursor
4318                         // then we try to put the cursor into the cell above
4319                         // setting also the right targetX.
4320                         cur.selHandle(act == LFUN_UP_SELECT);
4321                         if (tabular.cellRow(cur.idx()) != 0) {
4322                                 int const xtarget = cur.targetX();
4323                                 // WARNING: Once cur.idx() has been reset, the cursor is in
4324                                 // an inconsistent state until pos() has been set. Be careful
4325                                 // what you do with it!
4326                                 cur.idx() = tabular.cellAbove(cur.idx());
4327                                 cur.pit() = cur.lastpit();
4328                                 Text const * text = cell(cur.idx())->getText(0);
4329                                 TextMetrics const & tm = cur.bv().textMetrics(text);
4330                                 ParagraphMetrics const & pm =
4331                                         tm.parMetrics(cur.lastpit());
4332                                 cur.pos() = tm.x2pos(cur.pit(), pm.rows().size()-1, xtarget);
4333                                 cur.setCurrentFont();
4334                         }
4335                 }
4336                 if (sl == cur.top()) {
4337                         cmd = FuncRequest(LFUN_UP);
4338                         cur.undispatched();
4339                 }
4340                 if (cur.selIsMultiCell()) {
4341                         cur.pit() = 0;
4342                         cur.pos() = cur.lastpos();
4343                         cur.setCurrentFont();
4344                         cur.screenUpdateFlags(Update::Force | Update::FitCursor);
4345                         return;
4346                 }
4347                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
4348                 break;
4349
4350         case LFUN_LAYOUT_TABULAR:
4351                 cur.bv().showDialog("tabular");
4352                 break;
4353
4354         case LFUN_INSET_MODIFY:
4355                 // we come from the dialog
4356                 if (cmd.getArg(0) == "tabular")
4357                         tabularFeatures(cur, cmd.getLongArg(1));
4358                 else
4359                         cur.undispatched();
4360                 break;
4361
4362         case LFUN_TABULAR_FEATURE:
4363                 tabularFeatures(cur, to_utf8(cmd.argument()));
4364                 break;
4365
4366         // insert file functions
4367         case LFUN_FILE_INSERT_PLAINTEXT_PARA:
4368         case LFUN_FILE_INSERT_PLAINTEXT:
4369                 // FIXME UNICODE
4370                 if (FileName::isAbsolute(to_utf8(cmd.argument()))) {
4371                         docstring const tmpstr = cur.bv().contentsOfPlaintextFile(
4372                                 FileName(to_utf8(cmd.argument())));
4373                         if (tmpstr.empty())
4374                                 break;
4375                         cur.recordUndoInset();
4376                         if (insertPlaintextString(cur.bv(), tmpstr, false)) {
4377                                 // content has been replaced,
4378                                 // so cursor might be invalid
4379                                 cur.pos() = cur.lastpos();
4380                                 cur.pit() = cur.lastpit();
4381                                 bvcur.setCursor(cur);
4382                         } else
4383                                 cur.undispatched();
4384                 }
4385                 break;
4386
4387         case LFUN_CUT:
4388                 if (cur.selIsMultiCell()) {
4389                         if (copySelection(cur)) {
4390                                 cur.recordUndoInset();
4391                                 cutSelection(cur);
4392                         }
4393                 } else
4394                         cell(cur.idx())->dispatch(cur, cmd);
4395                 break;
4396
4397         case LFUN_SELF_INSERT:
4398                 if (cur.selIsMultiCell()) {
4399                         cur.recordUndoInset();
4400                         cutSelection(cur);
4401                         BufferView * bv = &cur.bv();
4402                         docstring::const_iterator cit = cmd.argument().begin();
4403                         docstring::const_iterator const end = cmd.argument().end();
4404                         for (; cit != end; ++cit)
4405                                 bv->translateAndInsert(*cit, getText(cur.idx()), cur);
4406
4407                         cur.resetAnchor();
4408                         bv->bookmarkEditPosition();
4409                 } else
4410                         cell(cur.idx())->dispatch(cur, cmd);
4411                 break;
4412
4413         case LFUN_CHAR_DELETE_BACKWARD:
4414         case LFUN_CHAR_DELETE_FORWARD:
4415                 if (cur.selIsMultiCell()) {
4416                         cur.recordUndoInset();
4417                         cutSelection(cur);
4418                 } else
4419                         cell(cur.idx())->dispatch(cur, cmd);
4420                 break;
4421
4422         case LFUN_COPY:
4423                 if (!cur.selection())
4424                         break;
4425                 if (cur.selIsMultiCell()) {
4426                         cur.finishUndo();
4427                         copySelection(cur);
4428                 } else
4429                         cell(cur.idx())->dispatch(cur, cmd);
4430                 break;
4431
4432         case LFUN_CLIPBOARD_PASTE:
4433         case LFUN_PRIMARY_SELECTION_PASTE: {
4434                 docstring const clip = (act == LFUN_CLIPBOARD_PASTE) ?
4435                         theClipboard().getAsText(Clipboard::PlainTextType) :
4436                         theSelection().get();
4437                 if (clip.empty())
4438                         break;
4439                 // pass to InsertPlaintextString, but
4440                 // only if we have multi-cell content
4441                 if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
4442                         cur.recordUndoInset();
4443                         if (insertPlaintextString(cur.bv(), clip, false)) {
4444                                 // content has been replaced,
4445                                 // so cursor might be invalid
4446                                 cur.pos() = cur.lastpos();
4447                                 cur.pit() = cur.lastpit();
4448                                 bvcur.setCursor(cur);
4449                                 break;
4450                         }
4451                 }
4452                 // Let the cell handle normal text
4453                 cell(cur.idx())->dispatch(cur, cmd);
4454                 break;
4455         }
4456
4457         case LFUN_PASTE:
4458                 if (!tabularStackDirty()) {
4459                         if (!cur.selIsMultiCell())
4460                                 cell(cur.idx())->dispatch(cur, cmd);
4461                         break;
4462                 }
4463                 if (theClipboard().isInternal()) {
4464                         cur.recordUndoInset();
4465                         pasteClipboard(cur);
4466                 }
4467                 break;
4468
4469         case LFUN_FONT_EMPH:
4470         case LFUN_FONT_BOLD:
4471         case LFUN_FONT_BOLDSYMBOL:
4472         case LFUN_FONT_ROMAN:
4473         case LFUN_FONT_NOUN:
4474         case LFUN_FONT_ITAL:
4475         case LFUN_FONT_FRAK:
4476         case LFUN_FONT_TYPEWRITER:
4477         case LFUN_FONT_SANS:
4478         case LFUN_TEXTSTYLE_APPLY:
4479         case LFUN_TEXTSTYLE_UPDATE:
4480         case LFUN_FONT_SIZE:
4481         case LFUN_FONT_UNDERLINE:
4482         case LFUN_FONT_STRIKEOUT:
4483         case LFUN_FONT_CROSSOUT:
4484         case LFUN_FONT_UNDERUNDERLINE:
4485         case LFUN_FONT_UNDERWAVE:
4486         case LFUN_LANGUAGE:
4487         case LFUN_PARAGRAPH_PARAMS_APPLY:
4488         case LFUN_PARAGRAPH_PARAMS:
4489         case LFUN_WORD_CAPITALIZE:
4490         case LFUN_WORD_UPCASE:
4491         case LFUN_WORD_LOWCASE:
4492         case LFUN_CHARS_TRANSPOSE:
4493                 if (cur.selIsMultiCell()) {
4494                         row_type rs, re;
4495                         col_type cs, ce;
4496                         getSelection(cur, rs, re, cs, ce);
4497                         Cursor tmpcur = cur;
4498                         for (row_type r = rs; r <= re; ++r) {
4499                                 for (col_type c = cs; c <= ce; ++c) {
4500                                         // cursor follows cell:
4501                                         tmpcur.idx() = tabular.cellIndex(r, c);
4502                                         // select this cell only:
4503                                         tmpcur.pit() = 0;
4504                                         tmpcur.pos() = 0;
4505                                         tmpcur.resetAnchor();
4506                                         tmpcur.pit() = tmpcur.lastpit();
4507                                         tmpcur.pos() = tmpcur.top().lastpos();
4508                                         tmpcur.setCursor(tmpcur);
4509                                         tmpcur.setSelection();
4510                                         cell(tmpcur.idx())->dispatch(tmpcur, cmd);
4511                                 }
4512                         }
4513                         break;
4514                 } else {
4515                         cell(cur.idx())->dispatch(cur, cmd);
4516                         break;
4517                 }
4518
4519         case LFUN_INSET_SETTINGS:
4520                 // relay this lfun to Inset, not to the cell.
4521                 Inset::doDispatch(cur, cmd);
4522                 break;
4523
4524         default:
4525                 // we try to handle this event in the insets dispatch function.
4526                 cell(cur.idx())->dispatch(cur, cmd);
4527                 break;
4528         }
4529 }
4530
4531
4532 bool InsetTabular::getFeatureStatus(Cursor & cur, string const & s,
4533                       string const & argument, FuncStatus & status) const
4534 {
4535
4536                 int action = Tabular::LAST_ACTION;
4537                 int i = 0;
4538                 for (; tabularFeature[i].action != Tabular::LAST_ACTION; ++i) {
4539                         if (tabularFeature[i].feature == s) {
4540                                 action = tabularFeature[i].action;
4541                                 break;
4542                         }
4543                 }
4544                 if (action == Tabular::LAST_ACTION) {
4545                         status.clear();
4546                         status.setUnknown(true);
4547                         return true;
4548                 }
4549
4550                 row_type sel_row_start = 0;
4551                 row_type sel_row_end = 0;
4552                 col_type sel_col_start = 0;
4553                 col_type sel_col_end = 0;
4554                 Tabular::ltType dummyltt;
4555                 bool flag = true;
4556
4557                 getSelection(cur, sel_row_start, sel_row_end, sel_col_start, sel_col_end);
4558
4559                 switch (action) {
4560                 case Tabular::SET_PWIDTH:
4561                 case Tabular::SET_MPWIDTH:
4562                 case Tabular::SET_SPECIAL_COLUMN:
4563                 case Tabular::SET_SPECIAL_MULTICOLUMN:
4564                 case Tabular::APPEND_ROW:
4565                 case Tabular::APPEND_COLUMN:
4566                 case Tabular::DELETE_ROW:
4567                 case Tabular::DELETE_COLUMN:
4568                 case Tabular::COPY_ROW:
4569                 case Tabular::COPY_COLUMN:
4570                 case Tabular::SET_TOP_SPACE:
4571                 case Tabular::SET_BOTTOM_SPACE:
4572                 case Tabular::SET_INTERLINE_SPACE:
4573                         status.clear();
4574                         return true;
4575
4576                 case Tabular::SET_TABULAR_WIDTH:
4577                         status.setEnabled(!tabular.rotate &&  !tabular.is_long_tabular
4578                                 && tabular.tabular_valignment == Tabular::LYX_VALIGN_MIDDLE);
4579                         break;
4580
4581                 case Tabular::MOVE_COLUMN_RIGHT:
4582                 case Tabular::MOVE_COLUMN_LEFT:
4583                 case Tabular::MOVE_ROW_DOWN:
4584                 case Tabular::MOVE_ROW_UP: {
4585                         if (cur.selection()) {
4586                                 status.message(_("Selections not supported."));
4587                                 status.setEnabled(false);
4588                                 break;
4589                         }
4590
4591                         if ((action == Tabular::MOVE_COLUMN_RIGHT &&
4592                                 tabular.ncols() == tabular.cellColumn(cur.idx()) + 1) ||
4593                             (action == Tabular::MOVE_COLUMN_LEFT &&
4594                                 tabular.cellColumn(cur.idx()) == 0) ||
4595                             (action == Tabular::MOVE_ROW_DOWN &&
4596                                 tabular.nrows() == tabular.cellRow(cur.idx()) + 1) ||
4597                             (action == Tabular::MOVE_ROW_UP &&
4598                                 tabular.cellRow(cur.idx()) == 0)) {
4599                                         status.setEnabled(false);
4600                                         break;
4601                         }
4602
4603                         if (action == Tabular::MOVE_COLUMN_RIGHT ||
4604                             action == Tabular::MOVE_COLUMN_LEFT) {
4605                                 if (tabular.hasMultiColumn(tabular.cellColumn(cur.idx())) ||
4606                                     tabular.hasMultiColumn(tabular.cellColumn(cur.idx()) +
4607                                         (action == Tabular::MOVE_COLUMN_RIGHT ? 1 : -1))) {
4608                                         status.message(_("Multi-column in current or"
4609                                                          " destination column."));
4610                                         status.setEnabled(false);
4611                                         break;
4612                                 }
4613                         }
4614
4615                         if (action == Tabular::MOVE_ROW_DOWN ||
4616                             action == Tabular::MOVE_ROW_UP) {
4617                                 if (tabular.hasMultiRow(tabular.cellRow(cur.idx())) ||
4618                                     tabular.hasMultiRow(tabular.cellRow(cur.idx()) +
4619                                         (action == Tabular::MOVE_ROW_DOWN ? 1 : -1))) {
4620                                         status.message(_("Multi-row in current or"
4621                                                          " destination row."));
4622                                         status.setEnabled(false);
4623                                         break;
4624                                 }
4625                         }
4626
4627                         status.setEnabled(true);
4628                         break;
4629                 }
4630
4631                 case Tabular::SET_DECIMAL_POINT:
4632                         status.setEnabled(
4633                                 tabular.getAlignment(cur.idx()) == LYX_ALIGN_DECIMAL);
4634                         break;
4635
4636                 case Tabular::SET_MULTICOLUMN:
4637                 case Tabular::UNSET_MULTICOLUMN:
4638                 case Tabular::MULTICOLUMN:
4639                         // If a row is set as longtable caption, it must not be allowed
4640                         // to unset that this row is a multicolumn.
4641                         status.setEnabled(sel_row_start == sel_row_end
4642                                 && !tabular.ltCaption(tabular.cellRow(cur.idx())));
4643                         status.setOnOff(tabular.isMultiColumn(cur.idx()));
4644                         break;
4645
4646                 case Tabular::SET_MULTIROW:
4647                 case Tabular::UNSET_MULTIROW:
4648                 case Tabular::MULTIROW:
4649                         // If a row is set as longtable caption, it must not be allowed
4650                         // to unset that this row is a multirow.
4651                         status.setEnabled(sel_col_start == sel_col_end
4652                                 && !tabular.ltCaption(tabular.cellRow(cur.idx())));
4653                         status.setOnOff(tabular.isMultiRow(cur.idx()));
4654                         break;
4655
4656                 case Tabular::SET_ALL_LINES:
4657                 case Tabular::UNSET_ALL_LINES:
4658                 case Tabular::SET_BORDER_LINES:
4659                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
4660                         break;
4661
4662                 case Tabular::SET_LINE_TOP:
4663                 case Tabular::SET_LINE_BOTTOM:
4664                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
4665                         break;
4666
4667                 case Tabular::SET_LINE_LEFT:
4668                 case Tabular::SET_LINE_RIGHT:
4669                         status.setEnabled(!tabular.use_booktabs
4670                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
4671                         break;
4672
4673                 case Tabular::TOGGLE_LINE_TOP:
4674                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
4675                         status.setOnOff(tabular.topLine(cur.idx()));
4676                         break;
4677
4678                 case Tabular::TOGGLE_LINE_BOTTOM:
4679                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
4680                         status.setOnOff(tabular.bottomLine(cur.idx()));
4681                         break;
4682
4683                 case Tabular::TOGGLE_LINE_LEFT:
4684                         status.setEnabled(!tabular.use_booktabs
4685                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
4686                         status.setOnOff(tabular.leftLine(cur.idx()));
4687                         break;
4688
4689                 case Tabular::TOGGLE_LINE_RIGHT:
4690                         status.setEnabled(!tabular.use_booktabs
4691                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
4692                         status.setOnOff(tabular.rightLine(cur.idx()));
4693                         break;
4694
4695                 // multirow cells only inherit the alignment of the column if the column has
4696                 // no width, otherwise they are left-aligned
4697                 // therefore allow always left but right and center only if there is no width
4698                 case Tabular::M_ALIGN_LEFT:
4699                         flag = false;
4700                         // fall through
4701                 case Tabular::ALIGN_LEFT:
4702                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_LEFT);
4703                         break;
4704
4705                 case Tabular::M_ALIGN_RIGHT:
4706                         flag = false;
4707                         // fall through
4708                 case Tabular::ALIGN_RIGHT:
4709                         status.setEnabled(!(tabular.isMultiRow(cur.idx())
4710                                 && !tabular.getPWidth(cur.idx()).zero()));
4711                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_RIGHT);
4712                         break;
4713
4714                 case Tabular::M_ALIGN_CENTER:
4715                         flag = false;
4716                         // fall through
4717                 case Tabular::ALIGN_CENTER:
4718                         status.setEnabled(!(tabular.isMultiRow(cur.idx())
4719                                 && !tabular.getPWidth(cur.idx()).zero()));
4720                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_CENTER);
4721                         break;
4722
4723                 case Tabular::ALIGN_BLOCK:
4724                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
4725                                 && !tabular.isMultiRow(cur.idx()));
4726                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_BLOCK);
4727                         break;
4728
4729                 case Tabular::ALIGN_DECIMAL:
4730                         status.setEnabled(!tabular.isMultiRow(cur.idx())
4731                                 && !tabular.isMultiColumn(cur.idx()));
4732                         status.setOnOff(tabular.getAlignment(cur.idx(), true) == LYX_ALIGN_DECIMAL);
4733                         break;
4734
4735                 case Tabular::M_VALIGN_TOP:
4736                         flag = false;
4737                         // fall through
4738                 case Tabular::VALIGN_TOP:
4739                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
4740                                 && !tabular.isMultiRow(cur.idx()));
4741                         status.setOnOff(
4742                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_TOP);
4743                         break;
4744
4745                 case Tabular::M_VALIGN_BOTTOM:
4746                         flag = false;
4747                         // fall through
4748                 case Tabular::VALIGN_BOTTOM:
4749                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
4750                                 && !tabular.isMultiRow(cur.idx()));
4751                         status.setOnOff(
4752                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_BOTTOM);
4753                         break;
4754
4755                 case Tabular::M_VALIGN_MIDDLE:
4756                         flag = false;
4757                         // fall through
4758                 case Tabular::VALIGN_MIDDLE:
4759                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
4760                                 && !tabular.isMultiRow(cur.idx()));
4761                         status.setOnOff(
4762                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_MIDDLE);
4763                         break;
4764
4765                 case Tabular::SET_LONGTABULAR:
4766                 case Tabular::TOGGLE_LONGTABULAR:
4767                         // setting as longtable is not allowed when table is inside a float
4768                         if (cur.innerInsetOfType(FLOAT_CODE) != 0
4769                                 || cur.innerInsetOfType(WRAP_CODE) != 0)
4770                                 status.setEnabled(false);
4771                         else
4772                                 status.setEnabled(true);
4773                         status.setOnOff(tabular.is_long_tabular);
4774                         break;
4775
4776                 case Tabular::UNSET_LONGTABULAR:
4777                         status.setOnOff(!tabular.is_long_tabular);
4778                         break;
4779
4780                 case Tabular::TOGGLE_ROTATE_TABULAR:
4781                 case Tabular::SET_ROTATE_TABULAR:
4782                         status.setOnOff(tabular.rotate != 0);
4783                         break;
4784
4785                 case Tabular::TABULAR_VALIGN_TOP:
4786                         status.setEnabled(tabular.tabular_width.zero());
4787                         status.setOnOff(tabular.tabular_valignment
4788                                 == Tabular::LYX_VALIGN_TOP);
4789                         break;
4790                 case Tabular::TABULAR_VALIGN_MIDDLE:
4791                         status.setEnabled(tabular.tabular_width.zero());
4792                         status.setOnOff(tabular.tabular_valignment
4793                                 == Tabular::LYX_VALIGN_MIDDLE);
4794                         break;
4795                 case Tabular::TABULAR_VALIGN_BOTTOM:
4796                         status.setEnabled(tabular.tabular_width.zero());
4797                         status.setOnOff(tabular.tabular_valignment
4798                                 == Tabular::LYX_VALIGN_BOTTOM);
4799                         break;
4800
4801                 case Tabular::LONGTABULAR_ALIGN_LEFT:
4802                         status.setOnOff(tabular.longtabular_alignment
4803                                 == Tabular::LYX_LONGTABULAR_ALIGN_LEFT);
4804                         break;
4805                 case Tabular::LONGTABULAR_ALIGN_CENTER:
4806                         status.setOnOff(tabular.longtabular_alignment
4807                                 == Tabular::LYX_LONGTABULAR_ALIGN_CENTER);
4808                         break;
4809                 case Tabular::LONGTABULAR_ALIGN_RIGHT:
4810                         status.setOnOff(tabular.longtabular_alignment
4811                                 == Tabular::LYX_LONGTABULAR_ALIGN_RIGHT);
4812                         break;
4813
4814                 case Tabular::UNSET_ROTATE_TABULAR:
4815                         status.setOnOff(tabular.rotate == 0);
4816                         break;
4817
4818                 case Tabular::TOGGLE_ROTATE_CELL:
4819                 case Tabular::SET_ROTATE_CELL:
4820                         status.setOnOff(!oneCellHasRotationState(false,
4821                                 sel_row_start, sel_row_end, sel_col_start, sel_col_end));
4822                         break;
4823
4824                 case Tabular::UNSET_ROTATE_CELL:
4825                         status.setOnOff(!oneCellHasRotationState(true,
4826                                 sel_row_start, sel_row_end, sel_col_start, sel_col_end));
4827                         break;
4828
4829                 case Tabular::SET_USEBOX:
4830                         status.setOnOff(convert<int>(argument) == tabular.getUsebox(cur.idx()));
4831                         break;
4832
4833                 // every row can only be one thing:
4834                 // either a footer or header
4835                 case Tabular::SET_LTFIRSTHEAD:
4836                         status.setEnabled(sel_row_start == sel_row_end);
4837                         status.setOnOff(tabular.getRowOfLTFirstHead(sel_row_start, dummyltt));
4838                         break;
4839
4840                 case Tabular::UNSET_LTFIRSTHEAD:
4841                         status.setEnabled(sel_row_start == sel_row_end);
4842                         status.setOnOff(!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt));
4843                         break;
4844
4845                 case Tabular::SET_LTHEAD:
4846                         status.setEnabled(sel_row_start == sel_row_end);
4847                         status.setOnOff(tabular.getRowOfLTHead(sel_row_start, dummyltt));
4848                         break;
4849
4850                 case Tabular::UNSET_LTHEAD:
4851                         status.setEnabled(sel_row_start == sel_row_end);
4852                         status.setOnOff(!tabular.getRowOfLTHead(sel_row_start, dummyltt));
4853                         break;
4854
4855                 case Tabular::SET_LTFOOT:
4856                         status.setEnabled(sel_row_start == sel_row_end);
4857                         status.setOnOff(tabular.getRowOfLTFoot(sel_row_start, dummyltt));
4858                         break;
4859
4860                 case Tabular::UNSET_LTFOOT:
4861                         status.setEnabled(sel_row_start == sel_row_end);
4862                         status.setOnOff(!tabular.getRowOfLTFoot(sel_row_start, dummyltt));
4863                         break;
4864
4865                 case Tabular::SET_LTLASTFOOT:
4866                         status.setEnabled(sel_row_start == sel_row_end);
4867                         status.setOnOff(tabular.getRowOfLTLastFoot(sel_row_start, dummyltt));
4868                         break;
4869
4870                 case Tabular::UNSET_LTLASTFOOT:
4871                         status.setEnabled(sel_row_start == sel_row_end);
4872                         status.setOnOff(!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt));
4873                         break;
4874
4875                 case Tabular::SET_LTNEWPAGE:
4876                         status.setOnOff(tabular.getLTNewPage(sel_row_start));
4877                         break;
4878                 case Tabular::UNSET_LTNEWPAGE:
4879                         status.setOnOff(!tabular.getLTNewPage(sel_row_start));
4880                         break;
4881
4882                 // only one row in head/firsthead/foot/lasthead can be the caption
4883                 // and a multirow cannot be set as caption
4884                 case Tabular::SET_LTCAPTION:
4885                         status.setEnabled(sel_row_start == sel_row_end
4886                                 && (!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt)
4887                                  || !tabular.haveLTCaption(Tabular::CAPTION_FIRSTHEAD))
4888                                 && (!tabular.getRowOfLTHead(sel_row_start, dummyltt)
4889                                  || !tabular.haveLTCaption(Tabular::CAPTION_HEAD))
4890                                 && (!tabular.getRowOfLTFoot(sel_row_start, dummyltt)
4891                                  || !tabular.haveLTCaption(Tabular::CAPTION_FOOT))
4892                                 && (!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt)
4893                                  || !tabular.haveLTCaption(Tabular::CAPTION_LASTFOOT))
4894                                 && !tabular.isMultiRow(sel_row_start));
4895                         status.setOnOff(tabular.ltCaption(sel_row_start));
4896                         break;
4897
4898                 case Tabular::UNSET_LTCAPTION:
4899                         status.setEnabled(sel_row_start == sel_row_end && tabular.ltCaption(sel_row_start));
4900                         break;
4901
4902                 case Tabular::TOGGLE_LTCAPTION:
4903                         status.setEnabled(sel_row_start == sel_row_end && (tabular.ltCaption(sel_row_start)
4904                                 || ((!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt)
4905                                   || !tabular.haveLTCaption(Tabular::CAPTION_FIRSTHEAD))
4906                                  && (!tabular.getRowOfLTHead(sel_row_start, dummyltt)
4907                                   || !tabular.haveLTCaption(Tabular::CAPTION_HEAD))
4908                                  && (!tabular.getRowOfLTFoot(sel_row_start, dummyltt)
4909                                   || !tabular.haveLTCaption(Tabular::CAPTION_FOOT))
4910                                  && (!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt)
4911                                   || !tabular.haveLTCaption(Tabular::CAPTION_LASTFOOT)))));
4912                         status.setOnOff(tabular.ltCaption(sel_row_start));
4913                         break;
4914
4915                 case Tabular::TOGGLE_BOOKTABS:
4916                 case Tabular::SET_BOOKTABS:
4917                         status.setOnOff(tabular.use_booktabs);
4918                         break;
4919
4920                 case Tabular::UNSET_BOOKTABS:
4921                         status.setOnOff(!tabular.use_booktabs);
4922                         break;
4923
4924                 default:
4925                         status.clear();
4926                         status.setEnabled(false);
4927                         break;
4928                 }
4929                 return true;
4930 }
4931
4932
4933 // function sets an object as defined in FuncStatus.h:
4934 // states OK, Unknown, Disabled, On, Off.
4935 bool InsetTabular::getStatus(Cursor & cur, FuncRequest const & cmd,
4936                              FuncStatus & status) const
4937 {
4938         switch (cmd.action()) {
4939         case LFUN_INSET_MODIFY:
4940                 if (cmd.getArg(0) != "tabular")
4941                         break;
4942                 if (cmd.getArg(1) == "for-dialog") {
4943                         // The dialog is asking the status of a command
4944                         if (&cur.inset() != this)
4945                                 break;
4946                         string action = cmd.getArg(2);
4947                         string arg = cmd.getLongArg(3);
4948                         return getFeatureStatus(cur, action, arg, status);
4949                 } else {
4950                         // We always enable the lfun if it is coming from the dialog
4951                         // because the dialog makes sure all the settings are valid,
4952                         // even though the first argument might not be valid now.
4953                         status.setEnabled(true);
4954                         return true;
4955                 }
4956
4957         case LFUN_TABULAR_FEATURE: {
4958                 if (&cur.inset() != this)
4959                         break;
4960                 string action = cmd.getArg(0);
4961                 string arg = cmd.getLongArg(1);
4962                 return getFeatureStatus(cur, action, arg, status);
4963         }
4964
4965         case LFUN_CAPTION_INSERT: {
4966                 // caption is only allowed in caption cell of longtable
4967                 if (!tabular.ltCaption(tabular.cellRow(cur.idx()))) {
4968                         status.setEnabled(false);
4969                         return true;
4970                 }
4971                 // only standard caption is allowed
4972                 string arg = cmd.getArg(0);
4973                 if (!arg.empty() && arg != "Standard") {
4974                         status.setEnabled(false);
4975                         return true;
4976                 }
4977                 // check if there is already a caption
4978                 bool have_caption = false;
4979                 InsetTableCell itc = InsetTableCell(*tabular.cellInset(cur.idx()));
4980                 ParagraphList::const_iterator pit = itc.paragraphs().begin();
4981                 ParagraphList::const_iterator pend = itc.paragraphs().end();
4982                 for (; pit != pend; ++pit) {
4983                         InsetList::const_iterator it  = pit->insetList().begin();
4984                         InsetList::const_iterator end = pit->insetList().end();
4985                         for (; it != end; ++it) {
4986                                 if (it->inset->lyxCode() == CAPTION_CODE) {
4987                                         have_caption = true;
4988                                         break;
4989                                 }
4990                         }
4991                 }
4992                 status.setEnabled(!have_caption);
4993                 return true;
4994         }
4995
4996         // These are only enabled inside tabular
4997         case LFUN_CELL_BACKWARD:
4998         case LFUN_CELL_FORWARD:
4999                 status.setEnabled(true);
5000                 return true;
5001
5002         // disable these with multiple cells selected
5003         case LFUN_INSET_INSERT:
5004         case LFUN_TABULAR_INSERT:
5005         case LFUN_FLEX_INSERT:
5006         case LFUN_FLOAT_INSERT:
5007         case LFUN_FLOAT_WIDE_INSERT:
5008         case LFUN_FOOTNOTE_INSERT:
5009         case LFUN_MARGINALNOTE_INSERT:
5010         case LFUN_MATH_INSERT:
5011         case LFUN_MATH_MODE:
5012         case LFUN_MATH_MUTATE:
5013         case LFUN_MATH_DISPLAY:
5014         case LFUN_NOTE_INSERT:
5015         case LFUN_ARGUMENT_INSERT:
5016         case LFUN_BOX_INSERT:
5017         case LFUN_BRANCH_INSERT:
5018         case LFUN_PHANTOM_INSERT:
5019         case LFUN_WRAP_INSERT:
5020         case LFUN_PREVIEW_INSERT:
5021         case LFUN_ERT_INSERT: {
5022                 if (cur.selIsMultiCell()) {
5023                         status.setEnabled(false);
5024                         return true;
5025                 } else
5026                         return cell(cur.idx())->getStatus(cur, cmd, status);
5027         }
5028
5029         // disable in non-fixed-width cells
5030         case LFUN_PARAGRAPH_BREAK:
5031                 // multirow does not allow paragraph breaks
5032                 if (tabular.isMultiRow(cur.idx())) {
5033                         status.setEnabled(false);
5034                         return true;
5035                 }
5036                 // fall through
5037         case LFUN_NEWLINE_INSERT: {
5038                 if (tabular.getPWidth(cur.idx()).zero()) {
5039                         status.setEnabled(false);
5040                         return true;
5041                 } else
5042                         return cell(cur.idx())->getStatus(cur, cmd, status);
5043         }
5044
5045         case LFUN_NEWPAGE_INSERT:
5046                 status.setEnabled(false);
5047                 return true;
5048
5049         case LFUN_PASTE:
5050                 if (tabularStackDirty() && theClipboard().isInternal()) {
5051                         if (cur.selIsMultiCell()) {
5052                                 row_type rs, re;
5053                                 col_type cs, ce;
5054                                 getSelection(cur, rs, re, cs, ce);
5055                                 if (paste_tabular && paste_tabular->ncols() == ce - cs + 1
5056                                           && paste_tabular->nrows() == re - rs + 1)
5057                                         status.setEnabled(true);
5058                                 else {
5059                                         status.setEnabled(false);
5060                                         status.message(_("Selection size should match clipboard content."));
5061                                 }
5062                         } else
5063                                 status.setEnabled(true);
5064                         return true;
5065                 }
5066                 return cell(cur.idx())->getStatus(cur, cmd, status);
5067
5068         case LFUN_INSET_SETTINGS:
5069                 // relay this lfun to Inset, not to the cell.
5070                 return Inset::getStatus(cur, cmd, status);
5071
5072         default:
5073                 // we try to handle this event in the insets dispatch function.
5074                 return cell(cur.idx())->getStatus(cur, cmd, status);
5075         }
5076         return false;
5077 }
5078
5079
5080 Inset::DisplayType InsetTabular::display() const
5081 {
5082                 if (tabular.is_long_tabular) {
5083                         switch (tabular.longtabular_alignment) {
5084                         case Tabular::LYX_LONGTABULAR_ALIGN_LEFT:
5085                                 return AlignLeft;
5086                         case Tabular::LYX_LONGTABULAR_ALIGN_CENTER:
5087                                 return AlignCenter;
5088                         case Tabular::LYX_LONGTABULAR_ALIGN_RIGHT:
5089                                 return AlignRight;
5090                         default:
5091                                 return AlignCenter;
5092                         }
5093                 } else
5094                         return Inline;
5095 }
5096
5097
5098 void InsetTabular::latex(otexstream & os, OutputParams const & runparams) const
5099 {
5100         tabular.latex(os, runparams);
5101 }
5102
5103
5104 int InsetTabular::plaintext(odocstringstream & os,
5105         OutputParams const & runparams, size_t max_length) const
5106 {
5107         os << '\n'; // output table on a new line
5108         int const dp = runparams.linelen > 0 ? runparams.depth : 0;
5109         tabular.plaintext(os, runparams, dp, false, 0, max_length);
5110         return PLAINTEXT_NEWLINE;
5111 }
5112
5113
5114 int InsetTabular::docbook(odocstream & os, OutputParams const & runparams) const
5115 {
5116         int ret = 0;
5117         Inset * master = 0;
5118
5119         // FIXME: Why not pass a proper DocIterator here?
5120 #if 0
5121         // if the table is inside a float it doesn't need the informaltable
5122         // wrapper. Search for it.
5123         for (master = owner(); master; master = master->owner())
5124                 if (master->lyxCode() == FLOAT_CODE)
5125                         break;
5126 #endif
5127
5128         if (!master) {
5129                 os << "<informaltable>";
5130                 ++ret;
5131         }
5132         ret += tabular.docbook(os, runparams);
5133         if (!master) {
5134                 os << "</informaltable>";
5135                 ++ret;
5136         }
5137         return ret;
5138 }
5139
5140
5141 docstring InsetTabular::xhtml(XHTMLStream & xs, OutputParams const & rp) const
5142 {
5143         return tabular.xhtml(xs, rp);
5144 }
5145
5146
5147 void InsetTabular::validate(LaTeXFeatures & features) const
5148 {
5149         tabular.validate(features);
5150         features.useInsetLayout(getLayout());
5151 }
5152
5153
5154 shared_ptr<InsetTableCell const> InsetTabular::cell(idx_type idx) const
5155 {
5156         return tabular.cellInset(idx);
5157 }
5158
5159
5160 shared_ptr<InsetTableCell> InsetTabular::cell(idx_type idx)
5161 {
5162         return tabular.cellInset(idx);
5163 }
5164
5165
5166 void InsetTabular::cursorPos(BufferView const & bv,
5167                 CursorSlice const & sl, bool boundary, int & x, int & y) const
5168 {
5169         cell(sl.idx())->cursorPos(bv, sl, boundary, x, y);
5170
5171         // y offset     correction
5172         y += cellYPos(sl.idx());
5173         y += tabular.textVOffset(sl.idx());
5174         y += tabular.offsetVAlignment();
5175
5176         // x offset correction
5177         x += cellXPos(sl.idx());
5178         x += tabular.textHOffset(sl.idx());
5179         x += ADD_TO_TABULAR_WIDTH;
5180 }
5181
5182
5183 int InsetTabular::dist(BufferView & bv, idx_type const cell, int x, int y) const
5184 {
5185         int xx = 0;
5186         int yy = 0;
5187         Inset const & inset = *tabular.cellInset(cell);
5188         Point o = bv.coordCache().getInsets().xy(&inset);
5189         int const xbeg = o.x_ - tabular.textHOffset(cell);
5190         int const xend = xbeg + tabular.cellWidth(cell);
5191         row_type const row = tabular.cellRow(cell);
5192         int const ybeg = o.y_ - tabular.rowAscent(row)
5193                 - tabular.interRowSpace(row) - tabular.textVOffset(cell);
5194         int const yend = ybeg + tabular.cellHeight(cell);
5195
5196         if (x < xbeg)
5197                 xx = xbeg - x;
5198         else if (x > xend)
5199                 xx = x - xend;
5200
5201         if (y < ybeg)
5202                 yy = ybeg - y;
5203         else if (y > yend)
5204                 yy = y - yend;
5205
5206         //lyxerr << " xbeg=" << xbeg << "  xend=" << xend
5207         //       << " ybeg=" << ybeg << " yend=" << yend
5208         //       << " xx=" << xx << " yy=" << yy
5209         //       << " dist=" << xx + yy << endl;
5210         return xx + yy;
5211 }
5212
5213
5214 Inset * InsetTabular::editXY(Cursor & cur, int x, int y)
5215 {
5216         //lyxerr << "InsetTabular::editXY: " << this << endl;
5217         cur.push(*this);
5218         cur.idx() = getNearestCell(cur.bv(), x, y);
5219         return cur.bv().textMetrics(&cell(cur.idx())->text()).editXY(cur, x, y);
5220 }
5221
5222
5223 void InsetTabular::setCursorFromCoordinates(Cursor & cur, int x, int y) const
5224 {
5225         cur.idx() = getNearestCell(cur.bv(), x, y);
5226         cur.bv().textMetrics(&cell(cur.idx())->text()).setCursorFromCoordinates(cur, x, y);
5227 }
5228
5229
5230 InsetTabular::idx_type InsetTabular::getNearestCell(BufferView & bv, int x, int y) const
5231 {
5232         idx_type idx_min = 0;
5233         int dist_min = numeric_limits<int>::max();
5234         for (idx_type i = 0, n = nargs(); i != n; ++i) {
5235                 if (bv.coordCache().getInsets().has(tabular.cellInset(i).get())) {
5236                         int const d = dist(bv, i, x, y);
5237                         if (d < dist_min) {
5238                                 dist_min = d;
5239                                 idx_min = i;
5240                         }
5241                 }
5242         }
5243         return idx_min;
5244 }
5245
5246
5247 int InsetTabular::cellYPos(idx_type const cell) const
5248 {
5249         row_type row = tabular.cellRow(cell);
5250         int ly = 0;
5251         for (row_type r = 0; r < row; ++r)
5252                 ly += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
5253                         + tabular.interRowSpace(r + 1);
5254         return ly;
5255 }
5256
5257
5258 int InsetTabular::cellXPos(idx_type const cell) const
5259 {
5260         col_type col = tabular.cellColumn(cell);
5261         int lx = 0;
5262         for (col_type c = 0; c < col; ++c)
5263                 lx += tabular.column_info[c].width;
5264         return lx;
5265 }
5266
5267
5268 void InsetTabular::moveNextCell(Cursor & cur, EntryDirection entry_from)
5269 {
5270         row_type const row = tabular.cellRow(cur.idx());
5271         col_type const col = tabular.cellColumn(cur.idx());
5272
5273         if (isRightToLeft(cur)) {
5274                 if (tabular.cellColumn(cur.idx()) == 0) {
5275                         if (row == tabular.nrows() - 1)
5276                                 return;
5277                         cur.idx() = tabular.cellBelow(tabular.getLastCellInRow(row));
5278                 } else {
5279                         if (cur.idx() == 0)
5280                                 return;
5281                         if (col == 0)
5282                                 cur.idx() = tabular.getLastCellInRow(row - 1);
5283                         else
5284                                 cur.idx() = tabular.cellIndex(row, col - 1);
5285                 }
5286         } else {
5287                 if (tabular.isLastCell(cur.idx()))
5288                         return;
5289                 if (cur.idx() == tabular.getLastCellInRow(row))
5290                         cur.idx() = tabular.cellIndex(row + 1, 0);
5291                 else {
5292                         col_type const colnextcell = col + tabular.columnSpan(cur.idx());
5293                         cur.idx() = tabular.cellIndex(row, colnextcell);
5294                 }
5295         }
5296
5297         cur.boundary(false);
5298
5299         if (cur.selIsMultiCell()) {
5300                 cur.pit() = cur.lastpit();
5301                 cur.pos() = cur.lastpos();
5302                 return;
5303         }
5304
5305         cur.pit() = 0;
5306         cur.pos() = 0;
5307
5308         // in visual mode, place cursor at extreme left or right
5309
5310         switch(entry_from) {
5311
5312         case ENTRY_DIRECTION_RIGHT:
5313                 cur.posVisToRowExtremity(false /* !left */);
5314                 break;
5315         case ENTRY_DIRECTION_LEFT:
5316                 cur.posVisToRowExtremity(true /* left */);
5317                 break;
5318         case ENTRY_DIRECTION_IGNORE:
5319                 // nothing to do in this case
5320                 break;
5321
5322         }
5323         cur.setCurrentFont();
5324 }
5325
5326
5327 void InsetTabular::movePrevCell(Cursor & cur, EntryDirection entry_from)
5328 {
5329         row_type const row = tabular.cellRow(cur.idx());
5330         col_type const col = tabular.cellColumn(cur.idx());
5331
5332         if (isRightToLeft(cur)) {
5333                 if (cur.idx() == tabular.getLastCellInRow(row)) {
5334                         if (row == 0)
5335                                 return;
5336                         cur.idx() = tabular.getFirstCellInRow(row);
5337                         cur.idx() = tabular.cellAbove(cur.idx());
5338                 } else {
5339                         if (tabular.isLastCell(cur.idx()))
5340                                 return;
5341                         if (cur.idx() == tabular.getLastCellInRow(row))
5342                                 cur.idx() = tabular.cellIndex(row + 1, 0);
5343                         else
5344                                 cur.idx() = tabular.cellIndex(row, col + 1);
5345                 }
5346         } else {
5347                 if (cur.idx() == 0) // first cell
5348                         return;
5349                 if (col == 0)
5350                         cur.idx() = tabular.getLastCellInRow(row - 1);
5351                 else
5352                         cur.idx() = tabular.cellIndex(row, col - 1);
5353         }
5354
5355         if (cur.selIsMultiCell()) {
5356                 cur.pit() = cur.lastpit();
5357                 cur.pos() = cur.lastpos();
5358                 return;
5359         }
5360
5361         cur.pit() = cur.lastpit();
5362         cur.pos() = cur.lastpos();
5363
5364         // in visual mode, place cursor at extreme left or right
5365
5366         switch(entry_from) {
5367
5368         case ENTRY_DIRECTION_RIGHT:
5369                 cur.posVisToRowExtremity(false /* !left */);
5370                 break;
5371         case ENTRY_DIRECTION_LEFT:
5372                 cur.posVisToRowExtremity(true /* left */);
5373                 break;
5374         case ENTRY_DIRECTION_IGNORE:
5375                 // nothing to do in this case
5376                 break;
5377
5378         }
5379         cur.setCurrentFont();
5380 }
5381
5382
5383 void InsetTabular::tabularFeatures(Cursor & cur, string const & argument)
5384 {
5385         cur.recordUndoInset(this);
5386
5387         istringstream is(argument);
5388         // limit the size of strings we read to avoid memory problems
5389         is >> setw(65636);
5390         string s;
5391         // Safe guard.
5392         size_t safe_guard = 0;
5393         for (;;) {
5394                 if (is.eof())
5395                         return;
5396                 safe_guard++;
5397                 if (safe_guard > 1000) {
5398                         LYXERR0("parameter max count reached!");
5399                         return;
5400                 }
5401                 is >> s;
5402                 Tabular::Feature action = Tabular::LAST_ACTION;
5403
5404                 size_t i = 0;
5405                 for (; tabularFeature[i].action != Tabular::LAST_ACTION; ++i) {
5406                         if (s != tabularFeature[i].feature)
5407                                 continue;
5408                         action = tabularFeature[i].action;
5409                         break;
5410                 }
5411                 if (action == Tabular::LAST_ACTION) {
5412                         LYXERR0("Feature not found " << s);
5413                         continue;
5414                 }
5415                 string val;
5416                 if (tabularFeature[i].need_value)
5417                         is >> val;
5418                 LYXERR(Debug::DEBUG, "Feature: " << s << "\t\tvalue: " << val);
5419                 tabularFeatures(cur, action, val);
5420         }
5421 }
5422
5423
5424 static void checkLongtableSpecial(Tabular::ltType & ltt,
5425                           string const & special, bool & flag)
5426 {
5427         if (special == "dl_above") {
5428                 ltt.topDL = flag;
5429                 ltt.set = false;
5430         } else if (special == "dl_below") {
5431                 ltt.bottomDL = flag;
5432                 ltt.set = false;
5433         } else if (special == "empty") {
5434                 ltt.empty = flag;
5435                 ltt.set = false;
5436         } else if (flag) {
5437                 ltt.empty = false;
5438                 ltt.set = true;
5439         }
5440 }
5441
5442
5443 bool InsetTabular::oneCellHasRotationState(bool rotated,
5444                 row_type row_start, row_type row_end,
5445                 col_type col_start, col_type col_end) const
5446 {
5447         for (row_type r = row_start; r <= row_end; ++r)
5448                 for (col_type c = col_start; c <= col_end; ++c)
5449                         if (rotated) {
5450                                 if (tabular.getRotateCell(tabular.cellIndex(r, c)) != 0)
5451                                         return true;
5452                         } else {
5453                                 if (tabular.getRotateCell(tabular.cellIndex(r, c)) == 0)
5454                                         return true;
5455                         }
5456         return false;
5457 }
5458
5459
5460 void InsetTabular::tabularFeatures(Cursor & cur,
5461         Tabular::Feature feature, string const & value)
5462 {
5463         col_type sel_col_start;
5464         col_type sel_col_end;
5465         row_type sel_row_start;
5466         row_type sel_row_end;
5467         bool setLines = false;
5468         LyXAlignment setAlign = LYX_ALIGN_LEFT;
5469         Tabular::VAlignment setVAlign = Tabular::LYX_VALIGN_TOP;
5470
5471         switch (feature) {
5472
5473         case Tabular::M_ALIGN_LEFT:
5474         case Tabular::ALIGN_LEFT:
5475                 setAlign = LYX_ALIGN_LEFT;
5476                 break;
5477
5478         case Tabular::M_ALIGN_RIGHT:
5479         case Tabular::ALIGN_RIGHT:
5480                 setAlign = LYX_ALIGN_RIGHT;
5481                 break;
5482
5483         case Tabular::M_ALIGN_CENTER:
5484         case Tabular::ALIGN_CENTER:
5485                 setAlign = LYX_ALIGN_CENTER;
5486                 break;
5487
5488         case Tabular::ALIGN_BLOCK:
5489                 setAlign = LYX_ALIGN_BLOCK;
5490                 break;
5491
5492         case Tabular::ALIGN_DECIMAL:
5493                 setAlign = LYX_ALIGN_DECIMAL;
5494                 break;
5495
5496         case Tabular::M_VALIGN_TOP:
5497         case Tabular::VALIGN_TOP:
5498                 setVAlign = Tabular::LYX_VALIGN_TOP;
5499                 break;
5500
5501         case Tabular::M_VALIGN_BOTTOM:
5502         case Tabular::VALIGN_BOTTOM:
5503                 setVAlign = Tabular::LYX_VALIGN_BOTTOM;
5504                 break;
5505
5506         case Tabular::M_VALIGN_MIDDLE:
5507         case Tabular::VALIGN_MIDDLE:
5508                 setVAlign = Tabular::LYX_VALIGN_MIDDLE;
5509                 break;
5510
5511         default:
5512                 break;
5513         }
5514
5515         getSelection(cur, sel_row_start, sel_row_end, sel_col_start, sel_col_end);
5516         row_type const row = tabular.cellRow(cur.idx());
5517         col_type const column = tabular.cellColumn(cur.idx());
5518         bool flag = true;
5519         Tabular::ltType ltt;
5520
5521         switch (feature) {
5522
5523         case Tabular::SET_TABULAR_WIDTH:
5524                 tabular.setTabularWidth(Length(value));
5525                 break;
5526
5527         case Tabular::SET_PWIDTH: {
5528                 Length const len(value);
5529                 tabular.setColumnPWidth(cur, cur.idx(), len);
5530                 if (len.zero()
5531                     && tabular.getAlignment(cur.idx(), true) == LYX_ALIGN_BLOCK)
5532                         tabularFeatures(cur, Tabular::ALIGN_CENTER, string());
5533                 break;
5534         }
5535
5536         case Tabular::SET_MPWIDTH:
5537                 tabular.setMColumnPWidth(cur, cur.idx(), Length(value));
5538                 break;
5539
5540         case Tabular::SET_MROFFSET:
5541                 tabular.setMROffset(cur, cur.idx(), Length(value));
5542                 break;
5543
5544         case Tabular::SET_SPECIAL_COLUMN:
5545         case Tabular::SET_SPECIAL_MULTICOLUMN:
5546                 if (value == "none")
5547                         tabular.setAlignSpecial(cur.idx(), docstring(), feature);
5548                 else
5549                         tabular.setAlignSpecial(cur.idx(), from_utf8(value), feature);
5550                 break;
5551
5552         case Tabular::APPEND_ROW:
5553                 // append the row into the tabular
5554                 tabular.appendRow(row);
5555                 break;
5556
5557         case Tabular::APPEND_COLUMN:
5558                 // append the column into the tabular
5559                 tabular.appendColumn(column);
5560                 cur.idx() = tabular.cellIndex(row, column);
5561                 break;
5562
5563         case Tabular::DELETE_ROW:
5564                 if (sel_row_end == tabular.nrows() - 1 && sel_row_start != 0) {
5565                         for (col_type c = 0; c < tabular.ncols(); c++)
5566                                 tabular.setBottomLine(tabular.cellIndex(sel_row_start - 1, c),
5567                                         tabular.bottomLine(tabular.cellIndex(sel_row_end, c)));
5568                 }
5569
5570                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5571                         tabular.deleteRow(sel_row_start);
5572                 if (sel_row_start >= tabular.nrows())
5573                         --sel_row_start;
5574                 cur.idx() = tabular.cellIndex(sel_row_start, column);
5575                 cur.pit() = 0;
5576                 cur.pos() = 0;
5577                 cur.selection(false);
5578                 break;
5579
5580         case Tabular::DELETE_COLUMN:
5581                 if (sel_col_end == tabular.ncols() - 1 && sel_col_start != 0) {
5582                         for (row_type r = 0; r < tabular.nrows(); r++)
5583                                 tabular.setRightLine(tabular.cellIndex(r, sel_col_start - 1),
5584                                         tabular.rightLine(tabular.cellIndex(r, sel_col_end)));
5585                 }
5586
5587                 if (sel_col_start == 0 && sel_col_end != tabular.ncols() - 1) {
5588                         for (row_type r = 0; r < tabular.nrows(); r++)
5589                                 tabular.setLeftLine(tabular.cellIndex(r, sel_col_end + 1),
5590                                         tabular.leftLine(tabular.cellIndex(r, 0)));
5591                 }
5592
5593                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
5594                         tabular.deleteColumn(sel_col_start);
5595                 if (sel_col_start >= tabular.ncols())
5596                         --sel_col_start;
5597                 cur.idx() = tabular.cellIndex(row, sel_col_start);
5598                 cur.pit() = 0;
5599                 cur.pos() = 0;
5600                 cur.selection(false);
5601                 break;
5602
5603         case Tabular::COPY_ROW:
5604                 tabular.copyRow(row);
5605                 break;
5606
5607         case Tabular::COPY_COLUMN:
5608                 tabular.copyColumn(column);
5609                 cur.idx() = tabular.cellIndex(row, column);
5610                 break;
5611
5612         case Tabular::MOVE_COLUMN_RIGHT:
5613                 tabular.moveColumn(column, Tabular::RIGHT);
5614                 cur.idx() = tabular.cellIndex(row, column + 1);
5615                 break;
5616
5617         case Tabular::MOVE_COLUMN_LEFT:
5618                 tabular.moveColumn(column, Tabular::LEFT);
5619                 cur.idx() = tabular.cellIndex(row, column - 1);
5620                 break;
5621
5622         case Tabular::MOVE_ROW_DOWN:
5623                 tabular.moveRow(row, Tabular::DOWN);
5624                 cur.idx() = tabular.cellIndex(row + 1, column);
5625                 break;
5626
5627         case Tabular::MOVE_ROW_UP:
5628                 tabular.moveRow(row, Tabular::UP);
5629                 cur.idx() = tabular.cellIndex(row - 1, column);
5630                 break;
5631
5632         case Tabular::SET_LINE_TOP:
5633         case Tabular::TOGGLE_LINE_TOP: {
5634                 bool lineSet = (feature == Tabular::SET_LINE_TOP)
5635                                ? (value == "true") : !tabular.topLine(cur.idx());
5636                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5637                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
5638                                 tabular.setTopLine(tabular.cellIndex(r, c), lineSet);
5639                 break;
5640         }
5641
5642         case Tabular::SET_LINE_BOTTOM:
5643         case Tabular::TOGGLE_LINE_BOTTOM: {
5644                 bool lineSet = (feature == Tabular::SET_LINE_BOTTOM)
5645                                ? (value == "true") : !tabular.bottomLine(cur.idx());
5646                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5647                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
5648                                 tabular.setBottomLine(tabular.cellIndex(r, c), lineSet);
5649                 break;
5650         }
5651
5652         case Tabular::SET_LINE_LEFT:
5653         case Tabular::TOGGLE_LINE_LEFT: {
5654                 bool lineSet = (feature == Tabular::SET_LINE_LEFT)
5655                                ? (value == "true") : !tabular.leftLine(cur.idx());
5656                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5657                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
5658                                 tabular.setLeftLine(tabular.cellIndex(r, c), lineSet);
5659                 break;
5660         }
5661
5662         case Tabular::SET_LINE_RIGHT:
5663         case Tabular::TOGGLE_LINE_RIGHT: {
5664                 bool lineSet = (feature == Tabular::SET_LINE_RIGHT)
5665                                ? (value == "true") : !tabular.rightLine(cur.idx());
5666                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5667                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
5668                                 tabular.setRightLine(tabular.cellIndex(r, c), lineSet);
5669                 break;
5670         }
5671
5672         case Tabular::M_ALIGN_LEFT:
5673         case Tabular::M_ALIGN_RIGHT:
5674         case Tabular::M_ALIGN_CENTER:
5675         case Tabular::ALIGN_LEFT:
5676         case Tabular::ALIGN_RIGHT:
5677         case Tabular::ALIGN_CENTER:
5678         case Tabular::ALIGN_BLOCK:
5679         case Tabular::ALIGN_DECIMAL:
5680                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5681                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
5682                                 tabular.setAlignment(tabular.cellIndex(r, c), setAlign,
5683                                 !tabular.getPWidth(c).zero());
5684                 break;
5685
5686         case Tabular::M_VALIGN_TOP:
5687         case Tabular::M_VALIGN_BOTTOM:
5688         case Tabular::M_VALIGN_MIDDLE:
5689                 flag = false;
5690                 // fall through
5691         case Tabular::VALIGN_TOP:
5692         case Tabular::VALIGN_BOTTOM:
5693         case Tabular::VALIGN_MIDDLE:
5694                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5695                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
5696                                 tabular.setVAlignment(tabular.cellIndex(r, c), setVAlign, flag);
5697                 break;
5698
5699         case Tabular::SET_MULTICOLUMN: {
5700                 if (!cur.selection()) {
5701                         // just multicol for one single cell
5702                         // check whether we are completely in a multicol
5703                         if (!tabular.isMultiColumn(cur.idx()))
5704                                 tabular.setMultiColumn(cur.idx(), 1,
5705                                         tabular.rightLine(cur.idx()));
5706                         break;
5707                 }
5708                 // we have a selection so this means we just add all these
5709                 // cells to form a multicolumn cell
5710                 idx_type const s_start = cur.selBegin().idx();
5711                 row_type const col_start = tabular.cellColumn(s_start);
5712                 row_type const col_end = tabular.cellColumn(cur.selEnd().idx());
5713                 cur.idx() = tabular.setMultiColumn(s_start, col_end - col_start + 1,
5714                                                    tabular.rightLine(cur.selEnd().idx()));
5715                 cur.pit() = 0;
5716                 cur.pos() = 0;
5717                 cur.selection(false);
5718                 break;
5719         }
5720
5721         case Tabular::UNSET_MULTICOLUMN: {
5722                 if (!cur.selection()) {
5723                         if (tabular.isMultiColumn(cur.idx()))
5724                                 tabular.unsetMultiColumn(cur.idx());
5725                 }
5726                 break;
5727         }
5728
5729         case Tabular::MULTICOLUMN: {
5730                 if (!cur.selection()) {
5731                         if (tabular.isMultiColumn(cur.idx()))
5732                                 tabularFeatures(cur, Tabular::UNSET_MULTICOLUMN);
5733                         else
5734                                 tabularFeatures(cur, Tabular::SET_MULTICOLUMN);
5735                         break;
5736                 }
5737                 bool merge = false;
5738                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
5739                         row_type const r = sel_row_start;
5740                         if (!tabular.isMultiColumn(tabular.cellIndex(r, c))
5741                             || (r > sel_row_start && !tabular.isPartOfMultiColumn(r, c)))
5742                                 merge = true;
5743                 }
5744                 // If the selection contains at least one singlecol cell
5745                 // or multiple multicol cells,
5746                 // we assume the user will merge is to a single multicol
5747                 if (merge)
5748                         tabularFeatures(cur, Tabular::SET_MULTICOLUMN);
5749                 else
5750                         tabularFeatures(cur, Tabular::UNSET_MULTICOLUMN);
5751                 break;
5752         }
5753
5754         case Tabular::SET_MULTIROW: {
5755                 if (!cur.selection()) {
5756                         // just multirow for one single cell
5757                         // check whether we are completely in a multirow
5758                         if (!tabular.isMultiRow(cur.idx()))
5759                                 tabular.setMultiRow(cur.idx(), 1,
5760                                                     tabular.bottomLine(cur.idx()),
5761                                                     tabular.getAlignment(cur.idx()));
5762                         break;
5763                 }
5764                 // we have a selection so this means we just add all this
5765                 // cells to form a multirow cell
5766                 idx_type const s_start = cur.selBegin().idx();
5767                 row_type const row_start = tabular.cellRow(s_start);
5768                 row_type const row_end = tabular.cellRow(cur.selEnd().idx());
5769                 cur.idx() = tabular.setMultiRow(s_start, row_end - row_start + 1,
5770                                                 tabular.bottomLine(cur.selEnd().idx()),
5771                                                 tabular.getAlignment(cur.selEnd().idx()));
5772                 cur.pit() = 0;
5773                 cur.pos() = 0;
5774                 cur.selection(false);
5775                 break;
5776         }
5777
5778         case Tabular::UNSET_MULTIROW: {
5779                 if (!cur.selection()) {
5780                         if (tabular.isMultiRow(cur.idx()))
5781                                 tabular.unsetMultiRow(cur.idx());
5782                 }
5783                 break;
5784         }
5785
5786         case Tabular::MULTIROW: {
5787                 if (!cur.selection()) {
5788                         if (tabular.isMultiRow(cur.idx()))
5789                                 tabularFeatures(cur, Tabular::UNSET_MULTIROW);
5790                         else
5791                                 tabularFeatures(cur, Tabular::SET_MULTIROW);
5792                         break;
5793                 }
5794                 bool merge = false;
5795                 for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
5796                         col_type const c = sel_col_start;
5797                         if (!tabular.isMultiRow(tabular.cellIndex(r, c))
5798                             || (r > sel_row_start && !tabular.isPartOfMultiRow(r, c)))
5799                                 merge = true;
5800                 }
5801                 // If the selection contains at least one singlerow cell
5802                 // or multiple multirow cells,
5803                 // we assume the user will merge is to a single multirow
5804                 if (merge)
5805                         tabularFeatures(cur, Tabular::SET_MULTIROW);
5806                 else
5807                         tabularFeatures(cur, Tabular::UNSET_MULTIROW);
5808                 break;
5809         }
5810
5811         case Tabular::SET_ALL_LINES:
5812                 setLines = true;
5813                 // fall through
5814         case Tabular::UNSET_ALL_LINES:
5815                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5816                         for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
5817                                 idx_type const cell = tabular.cellIndex(r, c);
5818                                 tabular.setTopLine(cell, setLines);
5819                                 tabular.setBottomLine(cell, setLines);
5820                                 tabular.setRightLine(cell, setLines);
5821                                 tabular.setLeftLine(cell, setLines);
5822                         }
5823                 break;
5824
5825         case Tabular::SET_BORDER_LINES:
5826                 for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
5827                         tabular.setLeftLine(tabular.cellIndex(r, sel_col_start), true);
5828                         tabular.setRightLine(tabular.cellIndex(r, sel_col_end), true);
5829                 }
5830                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
5831                         tabular.setTopLine(tabular.cellIndex(sel_row_start, c), true);
5832                         tabular.setBottomLine(tabular.cellIndex(sel_row_end, c), true);
5833                 }
5834                 break;
5835
5836         case Tabular::TOGGLE_LONGTABULAR:
5837                 if (tabular.is_long_tabular)
5838                         tabularFeatures(cur, Tabular::UNSET_LONGTABULAR);
5839                 else
5840                         tabular.is_long_tabular = true;
5841                 break;
5842
5843         case Tabular::SET_LONGTABULAR:
5844                 tabular.is_long_tabular = true;
5845                 break;
5846
5847         case Tabular::UNSET_LONGTABULAR:
5848                 for (row_type r = 0; r < tabular.nrows(); ++r) {
5849                         if (tabular.ltCaption(r)) {
5850                                 cur.idx() = tabular.cellIndex(r, 0);
5851                                 cur.pit() = 0;
5852                                 cur.pos() = 0;
5853                                 tabularFeatures(cur, Tabular::TOGGLE_LTCAPTION);
5854                         }
5855                 }
5856                 tabular.is_long_tabular = false;
5857                 break;
5858
5859         case Tabular::SET_ROTATE_TABULAR:
5860                 tabular.rotate = convert<int>(value);
5861                 break;
5862
5863         case Tabular::UNSET_ROTATE_TABULAR:
5864                 tabular.rotate = 0;
5865                 break;
5866
5867         case Tabular::TOGGLE_ROTATE_TABULAR:
5868                 // when pressing the rotate button we default to 90° rotation
5869                 tabular.rotate != 0 ? tabular.rotate = 0 : tabular.rotate = 90;
5870                 break;
5871
5872         case Tabular::TABULAR_VALIGN_TOP:
5873                 tabular.tabular_valignment = Tabular::LYX_VALIGN_TOP;
5874                 break;
5875
5876         case Tabular::TABULAR_VALIGN_MIDDLE:
5877                 tabular.tabular_valignment = Tabular::LYX_VALIGN_MIDDLE;
5878                 break;
5879
5880         case Tabular::TABULAR_VALIGN_BOTTOM:
5881                 tabular.tabular_valignment = Tabular::LYX_VALIGN_BOTTOM;
5882                 break;
5883
5884         case Tabular::LONGTABULAR_ALIGN_LEFT:
5885                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_LEFT;
5886                 break;
5887
5888         case Tabular::LONGTABULAR_ALIGN_CENTER:
5889                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_CENTER;
5890                 break;
5891
5892         case Tabular::LONGTABULAR_ALIGN_RIGHT:
5893                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_RIGHT;
5894                 break;
5895
5896
5897
5898         case Tabular::SET_ROTATE_CELL:
5899                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5900                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
5901                                 tabular.setRotateCell(tabular.cellIndex(r, c), convert<int>(value));
5902                 break;
5903
5904         case Tabular::UNSET_ROTATE_CELL:
5905                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5906                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
5907                                 tabular.setRotateCell(tabular.cellIndex(r, c), 0);
5908                 break;
5909
5910         case Tabular::TOGGLE_ROTATE_CELL:
5911                 {
5912                 bool oneNotRotated = oneCellHasRotationState(false,
5913                         sel_row_start, sel_row_end, sel_col_start, sel_col_end);
5914
5915                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5916                         for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
5917                                 // when pressing the rotate cell button we default to 90° rotation
5918                                 if (oneNotRotated)
5919                                         tabular.setRotateCell(tabular.cellIndex(r, c), 90);
5920                                 else
5921                                         tabular.setRotateCell(tabular.cellIndex(r, c), 0);
5922                         }
5923                 }
5924                 break;
5925
5926         case Tabular::SET_USEBOX: {
5927                 Tabular::BoxType val = Tabular::BoxType(convert<int>(value));
5928                 if (val == tabular.getUsebox(cur.idx()))
5929                         val = Tabular::BOX_NONE;
5930                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
5931                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
5932                                 tabular.setUsebox(tabular.cellIndex(r, c), val);
5933                 break;
5934         }
5935
5936         case Tabular::UNSET_LTFIRSTHEAD:
5937                 flag = false;
5938                 // fall through
5939         case Tabular::SET_LTFIRSTHEAD:
5940                 tabular.getRowOfLTFirstHead(row, ltt);
5941                 checkLongtableSpecial(ltt, value, flag);
5942                 tabular.setLTHead(row, flag, ltt, true);
5943                 break;
5944
5945         case Tabular::UNSET_LTHEAD:
5946                 flag = false;
5947                 // fall through
5948         case Tabular::SET_LTHEAD:
5949                 tabular.getRowOfLTHead(row, ltt);
5950                 checkLongtableSpecial(ltt, value, flag);
5951                 tabular.setLTHead(row, flag, ltt, false);
5952                 break;
5953
5954         case Tabular::UNSET_LTFOOT:
5955                 flag = false;
5956                 // fall through
5957         case Tabular::SET_LTFOOT:
5958                 tabular.getRowOfLTFoot(row, ltt);
5959                 checkLongtableSpecial(ltt, value, flag);
5960                 tabular.setLTFoot(row, flag, ltt, false);
5961                 break;
5962
5963         case Tabular::UNSET_LTLASTFOOT:
5964                 flag = false;
5965                 // fall through
5966         case Tabular::SET_LTLASTFOOT:
5967                 tabular.getRowOfLTLastFoot(row, ltt);
5968                 checkLongtableSpecial(ltt, value, flag);
5969                 tabular.setLTFoot(row, flag, ltt, true);
5970                 break;
5971
5972         case Tabular::UNSET_LTNEWPAGE:
5973                 flag = false;
5974                 // fall through
5975         case Tabular::SET_LTNEWPAGE:
5976                 tabular.setLTNewPage(row, flag);
5977                 break;
5978
5979         case Tabular::SET_LTCAPTION: {
5980                 if (tabular.ltCaption(row))
5981                         break;
5982                 cur.idx() = tabular.setLTCaption(row, true);
5983                 cur.pit() = 0;
5984                 cur.pos() = 0;
5985                 cur.selection(false);
5986                 // If a row is set as caption, then also insert
5987                 // a caption. Otherwise the LaTeX output is broken.
5988                 // Select cell if it is non-empty
5989                 if (cur.lastpos() > 0 || cur.lastpit() > 0)
5990                         lyx::dispatch(FuncRequest(LFUN_INSET_SELECT_ALL));
5991                 lyx::dispatch(FuncRequest(LFUN_CAPTION_INSERT));
5992                 break;
5993         }
5994
5995         case Tabular::UNSET_LTCAPTION: {
5996                 if (!tabular.ltCaption(row))
5997                         break;
5998                 cur.idx() = tabular.setLTCaption(row, false);
5999                 cur.pit() = 0;
6000                 cur.pos() = 0;
6001                 cur.selection(false);
6002                 FuncRequest fr(LFUN_INSET_DISSOLVE, "caption");
6003                 if (lyx::getStatus(fr).enabled())
6004                         lyx::dispatch(fr);
6005                 break;
6006         }
6007
6008         case Tabular::TOGGLE_LTCAPTION: {
6009                 if (tabular.ltCaption(row))
6010                         tabularFeatures(cur, Tabular::UNSET_LTCAPTION);
6011                 else
6012                         tabularFeatures(cur, Tabular::SET_LTCAPTION);
6013                 break;
6014         }
6015
6016         case Tabular::TOGGLE_BOOKTABS:
6017                 tabular.use_booktabs = !tabular.use_booktabs;
6018                 break;
6019
6020         case Tabular::SET_BOOKTABS:
6021                 tabular.use_booktabs = true;
6022                 break;
6023
6024         case Tabular::UNSET_BOOKTABS:
6025                 tabular.use_booktabs = false;
6026                 break;
6027
6028         case Tabular::SET_TOP_SPACE: {
6029                 Length len;
6030                 if (value == "default")
6031                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6032                                 tabular.row_info[r].top_space_default = true;
6033                 else if (value == "none")
6034                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6035                                 tabular.row_info[r].top_space_default = false;
6036                                 tabular.row_info[r].top_space = len;
6037                         }
6038                 else if (isValidLength(value, &len))
6039                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6040                                 tabular.row_info[r].top_space_default = false;
6041                                 tabular.row_info[r].top_space = len;
6042                         }
6043                 break;
6044         }
6045
6046         case Tabular::SET_BOTTOM_SPACE: {
6047                 Length len;
6048                 if (value == "default")
6049                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6050                                 tabular.row_info[r].bottom_space_default = true;
6051                 else if (value == "none")
6052                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6053                                 tabular.row_info[r].bottom_space_default = false;
6054                                 tabular.row_info[r].bottom_space = len;
6055                         }
6056                 else if (isValidLength(value, &len))
6057                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6058                                 tabular.row_info[r].bottom_space_default = false;
6059                                 tabular.row_info[r].bottom_space = len;
6060                         }
6061                 break;
6062         }
6063
6064         case Tabular::SET_INTERLINE_SPACE: {
6065                 Length len;
6066                 if (value == "default")
6067                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6068                                 tabular.row_info[r].interline_space_default = true;
6069                 else if (value == "none")
6070                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6071                                 tabular.row_info[r].interline_space_default = false;
6072                                 tabular.row_info[r].interline_space = len;
6073                         }
6074                 else if (isValidLength(value, &len))
6075                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6076                                 tabular.row_info[r].interline_space_default = false;
6077                                 tabular.row_info[r].interline_space = len;
6078                         }
6079                 break;
6080         }
6081
6082         case Tabular::SET_DECIMAL_POINT:
6083                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6084                         tabular.column_info[c].decimal_point = from_utf8(value);
6085                 break;
6086
6087         // dummy stuff just to avoid warnings
6088         case Tabular::LAST_ACTION:
6089                 break;
6090         }
6091 }
6092
6093
6094 bool InsetTabular::copySelection(Cursor & cur)
6095 {
6096         if (!cur.selection())
6097                 return false;
6098
6099         row_type rs, re;
6100         col_type cs, ce;
6101         getSelection(cur, rs, re, cs, ce);
6102
6103         paste_tabular.reset(new Tabular(tabular));
6104
6105         for (row_type r = 0; r < rs; ++r)
6106                 paste_tabular->deleteRow(0);
6107
6108         row_type const rows = re - rs + 1;
6109         while (paste_tabular->nrows() > rows)
6110                 paste_tabular->deleteRow(rows);
6111
6112         for (col_type c = 0; c < cs; ++c)
6113                 paste_tabular->deleteColumn(0);
6114
6115         col_type const columns = ce - cs + 1;
6116         while (paste_tabular->ncols() > columns)
6117                 paste_tabular->deleteColumn(columns);
6118
6119         paste_tabular->setBuffer(tabular.buffer());
6120
6121         odocstringstream os;
6122         OutputParams const runparams(0);
6123         paste_tabular->plaintext(os, runparams, 0, true, '\t', INT_MAX);
6124         // Needed for the "Edit->Paste recent" menu and the system clipboard.
6125         cap::copySelection(cur, os.str());
6126
6127         // mark tabular stack dirty
6128         // FIXME: this is a workaround for bug 1919. Should be removed for 1.5,
6129         // when we (hopefully) have a one-for-all paste mechanism.
6130         // This must be called after cap::copySelection.
6131         dirtyTabularStack(true);
6132
6133         return true;
6134 }
6135
6136
6137 bool InsetTabular::pasteClipboard(Cursor & cur)
6138 {
6139         if (!paste_tabular)
6140                 return false;
6141         col_type actcol = tabular.cellColumn(cur.idx());
6142         row_type actrow = tabular.cellRow(cur.idx());
6143
6144         if (cur.selIsMultiCell()) {
6145                 row_type re;
6146                 col_type ce;
6147                 getSelection(cur, actrow, re, actcol, ce);
6148         }
6149
6150         for (row_type r1 = 0, r2 = actrow;
6151              r1 < paste_tabular->nrows() && r2 < tabular.nrows();
6152              ++r1, ++r2) {
6153                 for (col_type c1 = 0, c2 = actcol;
6154                     c1 < paste_tabular->ncols() && c2 < tabular.ncols();
6155                     ++c1, ++c2) {
6156                         if (paste_tabular->isPartOfMultiColumn(r1, c1) &&
6157                               tabular.isPartOfMultiColumn(r2, c2))
6158                                 continue;
6159                         if (paste_tabular->isPartOfMultiColumn(r1, c1)) {
6160                                 --c2;
6161                                 continue;
6162                         }
6163                         if (tabular.isPartOfMultiColumn(r2, c2)) {
6164                                 --c1;
6165                                 continue;
6166                         }
6167                         shared_ptr<InsetTableCell> inset(
6168                                 new InsetTableCell(*paste_tabular->cellInset(r1, c1)));
6169                         tabular.setCellInset(r2, c2, inset);
6170                         // FIXME?: why do we need to do this explicitly? (EL)
6171                         tabular.cellInset(r2, c2)->setBuffer(tabular.buffer());
6172
6173                         // FIXME: change tracking (MG)
6174                         inset->setChange(Change(buffer().params().track_changes ?
6175                                                 Change::INSERTED : Change::UNCHANGED));
6176                         cur.pos() = 0;
6177                         cur.pit() = 0;
6178                 }
6179         }
6180         return true;
6181 }
6182
6183
6184 void InsetTabular::cutSelection(Cursor & cur)
6185 {
6186         if (!cur.selection())
6187                 return;
6188
6189         row_type rs, re;
6190         col_type cs, ce;
6191         getSelection(cur, rs, re, cs, ce);
6192         for (row_type r = rs; r <= re; ++r) {
6193                 for (col_type c = cs; c <= ce; ++c) {
6194                         shared_ptr<InsetTableCell> t
6195                                 = cell(tabular.cellIndex(r, c));
6196                         if (buffer().params().track_changes)
6197                                 // FIXME: Change tracking (MG)
6198                                 t->setChange(Change(Change::DELETED));
6199                         else
6200                                 t->clear();
6201                 }
6202         }
6203
6204         // cursor position might be invalid now
6205         if (cur.pit() > cur.lastpit())
6206                 cur.pit() = cur.lastpit();
6207         if (cur.pos() > cur.lastpos())
6208                 cur.pos() = cur.lastpos();
6209         cur.clearSelection();
6210 }
6211
6212
6213 bool InsetTabular::isRightToLeft(Cursor & cur) const
6214 {
6215         // LASSERT: It might be better to abandon this Buffer.
6216         LASSERT(cur.depth() > 1, return false);
6217         Paragraph const & parentpar = cur[cur.depth() - 2].paragraph();
6218         pos_type const parentpos = cur[cur.depth() - 2].pos();
6219         return parentpar.getFontSettings(buffer().params(),
6220                                          parentpos).language()->rightToLeft();
6221 }
6222
6223
6224 docstring InsetTabular::asString(idx_type stidx, idx_type enidx,
6225                                  bool intoInsets)
6226 {
6227         LASSERT(stidx <= enidx, return docstring());
6228         docstring retval;
6229         col_type const col1 = tabular.cellColumn(stidx);
6230         col_type const col2 = tabular.cellColumn(enidx);
6231         row_type const row1 = tabular.cellRow(stidx);
6232         row_type const row2 = tabular.cellRow(enidx);
6233         bool first = true;
6234         for (col_type col = col1; col <= col2; col++)
6235                 for (row_type row = row1; row <= row2; row++) {
6236                         if (!first)
6237                                 retval += "\n";
6238                         else
6239                                 first = false;
6240                         retval += tabular.cellInset(row, col)->asString(intoInsets);
6241                 }
6242         return retval;
6243 }
6244
6245
6246 void InsetTabular::getSelection(Cursor & cur,
6247         row_type & rs, row_type & re, col_type & cs, col_type & ce) const
6248 {
6249         CursorSlice const & beg = cur.selBegin();
6250         CursorSlice const & end = cur.selEnd();
6251         cs = tabular.cellColumn(beg.idx());
6252         ce = tabular.cellColumn(end.idx());
6253         if (cs > ce)
6254                 swap(cs, ce);
6255
6256         rs = tabular.cellRow(beg.idx());
6257         re = tabular.cellRow(end.idx());
6258         if (rs > re)
6259                 swap(rs, re);
6260 }
6261
6262
6263 Text * InsetTabular::getText(int idx) const
6264 {
6265         return size_t(idx) < nargs() ? cell(idx)->getText(0) : 0;
6266 }
6267
6268
6269 void InsetTabular::setChange(Change const & change)
6270 {
6271         for (idx_type idx = 0; idx < nargs(); ++idx)
6272                 cell(idx)->setChange(change);
6273 }
6274
6275
6276 void InsetTabular::acceptChanges()
6277 {
6278         for (idx_type idx = 0; idx < nargs(); ++idx)
6279                 cell(idx)->acceptChanges();
6280 }
6281
6282
6283 void InsetTabular::rejectChanges()
6284 {
6285         for (idx_type idx = 0; idx < nargs(); ++idx)
6286                 cell(idx)->rejectChanges();
6287 }
6288
6289
6290 bool InsetTabular::allowParagraphCustomization(idx_type cell) const
6291 {
6292         return tabular.getPWidth(cell).zero();
6293 }
6294
6295
6296 bool InsetTabular::forcePlainLayout(idx_type cell) const
6297 {
6298         return !tabular.getPWidth(cell).zero();
6299 }
6300
6301
6302 bool InsetTabular::insertPlaintextString(BufferView & bv, docstring const & buf,
6303                                      bool usePaste)
6304 {
6305         if (buf.length() <= 0)
6306                 return true;
6307
6308         col_type cols = 1;
6309         row_type rows = 1;
6310         col_type maxCols = 1;
6311         size_t const len = buf.length();
6312         size_t p = 0;
6313
6314         while (p < len &&
6315                (p = buf.find_first_of(from_ascii("\t\n"), p)) != docstring::npos) {
6316                 switch (buf[p]) {
6317                 case '\t':
6318                         ++cols;
6319                         break;
6320                 case '\n':
6321                         if (p + 1 < len)
6322                                 ++rows;
6323                         maxCols = max(cols, maxCols);
6324                         cols = 1;
6325                         break;
6326                 }
6327                 ++p;
6328         }
6329         maxCols = max(cols, maxCols);
6330         Tabular * loctab;
6331         idx_type cell = 0;
6332         col_type ocol = 0;
6333         row_type row = 0;
6334         if (usePaste) {
6335                 paste_tabular.reset(new Tabular(buffer_, rows, maxCols));
6336                 loctab = paste_tabular.get();
6337                 dirtyTabularStack(true);
6338         } else {
6339                 loctab = &tabular;
6340                 cell = bv.cursor().idx();
6341                 ocol = tabular.cellColumn(cell);
6342                 row = tabular.cellRow(cell);
6343         }
6344
6345         size_t op = 0;
6346         idx_type const cells = loctab->numberofcells;
6347         p = 0;
6348         cols = ocol;
6349         rows = loctab->nrows();
6350         col_type const columns = loctab->ncols();
6351
6352         while (cell < cells && p < len && row < rows &&
6353                (p = buf.find_first_of(from_ascii("\t\n"), p)) != docstring::npos)
6354         {
6355                 if (p >= len)
6356                         break;
6357                 switch (buf[p]) {
6358                 case '\t':
6359                         // we can only set this if we are not too far right
6360                         if (cols < columns) {
6361                                 shared_ptr<InsetTableCell> inset = loctab->cellInset(cell);
6362                                 Font const font = bv.textMetrics(&inset->text()).
6363                                         displayFont(0, 0);
6364                                 inset->setText(buf.substr(op, p - op), font,
6365                                                buffer().params().track_changes);
6366                                 ++cols;
6367                                 ++cell;
6368                         }
6369                         break;
6370                 case '\n':
6371                         // we can only set this if we are not too far right
6372                         if (cols < columns) {
6373                                 shared_ptr<InsetTableCell> inset = tabular.cellInset(cell);
6374                                 Font const font = bv.textMetrics(&inset->text()).
6375                                         displayFont(0, 0);
6376                                 inset->setText(buf.substr(op, p - op), font,
6377                                                buffer().params().track_changes);
6378                         }
6379                         cols = ocol;
6380                         ++row;
6381                         if (row < rows)
6382                                 cell = loctab->cellIndex(row, cols);
6383                         break;
6384                 }
6385                 ++p;
6386                 op = p;
6387         }
6388         // check for the last cell if there is no trailing '\n'
6389         if (cell < cells && op < len) {
6390                 shared_ptr<InsetTableCell> inset = loctab->cellInset(cell);
6391                 Font const font = bv.textMetrics(&inset->text()).displayFont(0, 0);
6392                 inset->setText(buf.substr(op, len - op), font,
6393                         buffer().params().track_changes);
6394         }
6395         return true;
6396 }
6397
6398
6399 void InsetTabular::addPreview(DocIterator const & inset_pos,
6400         PreviewLoader & loader) const
6401 {
6402         DocIterator cell_pos = inset_pos;
6403
6404         cell_pos.push_back(CursorSlice(*const_cast<InsetTabular *>(this)));
6405         for (row_type r = 0; r < tabular.nrows(); ++r) {
6406                 for (col_type c = 0; c < tabular.ncols(); ++c) {
6407                         cell_pos.top().idx() = tabular.cellIndex(r, c);
6408                         tabular.cellInset(r, c)->addPreview(cell_pos, loader);
6409                 }
6410         }
6411 }
6412
6413
6414 bool InsetTabular::completionSupported(Cursor const & cur) const
6415 {
6416         Cursor const & bvCur = cur.bv().cursor();
6417         if (&bvCur.inset() != this)
6418                 return false;
6419         return cur.text()->completionSupported(cur);
6420 }
6421
6422
6423 bool InsetTabular::inlineCompletionSupported(Cursor const & cur) const
6424 {
6425         return completionSupported(cur);
6426 }
6427
6428
6429 bool InsetTabular::automaticInlineCompletion() const
6430 {
6431         return lyxrc.completion_inline_text;
6432 }
6433
6434
6435 bool InsetTabular::automaticPopupCompletion() const
6436 {
6437         return lyxrc.completion_popup_text;
6438 }
6439
6440
6441 bool InsetTabular::showCompletionCursor() const
6442 {
6443         return lyxrc.completion_cursor_text;
6444 }
6445
6446
6447 CompletionList const * InsetTabular::createCompletionList(Cursor const & cur) const
6448 {
6449         return completionSupported(cur) ? cur.text()->createCompletionList(cur) : 0;
6450 }
6451
6452
6453 docstring InsetTabular::completionPrefix(Cursor const & cur) const
6454 {
6455         if (!completionSupported(cur))
6456                 return docstring();
6457         return cur.text()->completionPrefix(cur);
6458 }
6459
6460
6461 bool InsetTabular::insertCompletion(Cursor & cur, docstring const & s, bool finished)
6462 {
6463         if (!completionSupported(cur))
6464                 return false;
6465
6466         return cur.text()->insertCompletion(cur, s, finished);
6467 }
6468
6469
6470 void InsetTabular::completionPosAndDim(Cursor const & cur, int & x, int & y,
6471                                     Dimension & dim) const
6472 {
6473         TextMetrics const & tm = cur.bv().textMetrics(cur.text());
6474         tm.completionPosAndDim(cur, x, y, dim);
6475 }
6476
6477
6478 void InsetTabular::string2params(string const & in, InsetTabular & inset)
6479 {
6480         istringstream data(in);
6481         Lexer lex;
6482         lex.setStream(data);
6483
6484         if (in.empty())
6485                 return;
6486
6487         string token;
6488         lex >> token;
6489         if (!lex || token != "tabular") {
6490                 LYXERR0("Expected arg 1 to be \"tabular\" in " << in);
6491                 return;
6492         }
6493
6494         // This is part of the inset proper that is usually swallowed
6495         // by Buffer::readInset
6496         lex >> token;
6497         if (!lex || token != "Tabular") {
6498                 LYXERR0("Expected arg 2 to be \"Tabular\" in " << in);
6499                 return;
6500         }
6501
6502         inset.read(lex);
6503 }
6504
6505
6506 string InsetTabular::params2string(InsetTabular const & inset)
6507 {
6508         ostringstream data;
6509         data << "tabular" << ' ';
6510         inset.write(data);
6511         data << "\\end_inset\n";
6512         return data.str();
6513 }
6514
6515
6516 void InsetTabular::setLayoutForHiddenCells(DocumentClass const & dc)
6517 {
6518         for (Tabular::col_type c = 0; c < tabular.ncols(); ++c) {
6519                 for (Tabular::row_type r = 0; r < tabular.nrows(); ++r) {
6520                         if (!tabular.isPartOfMultiColumn(r,c) &&
6521                             !tabular.isPartOfMultiRow(r,c))
6522                                 continue;
6523
6524                         ParagraphList & parlist = tabular.cellInset(r,c)->paragraphs();
6525                         ParagraphList::iterator it = parlist.begin();
6526                         ParagraphList::iterator const en = parlist.end();
6527                         for (; it != en; ++it)
6528                                         it->setLayout(dc.plainLayout());
6529                 }
6530         }
6531 }
6532
6533
6534 } // namespace lyx