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_LTRIM_TOP, "set-ltrim-top", true },
 131         { Tabular::SET_LTRIM_BOTTOM, "set-ltrim-bottom", true },
 132         { Tabular::SET_RTRIM_TOP, "set-rtrim-top", true },
 133         { Tabular::SET_RTRIM_BOTTOM, "set-rtrim-bottom", true },
 134         { Tabular::SET_LINE_LEFT, "set-line-left", true },
 135         { Tabular::SET_LINE_RIGHT, "set-line-right", true },
 136         { Tabular::TOGGLE_LINE_TOP, "toggle-line-top", false },
 137         { Tabular::TOGGLE_LINE_BOTTOM, "toggle-line-bottom", false },
 138         { Tabular::TOGGLE_LINE_LEFT, "toggle-line-left", false },
 139         { Tabular::TOGGLE_LINE_RIGHT, "toggle-line-right", false },
 140         { Tabular::TOGGLE_LTRIM_TOP, "toggle-ltrim-top", false },
 141         { Tabular::TOGGLE_LTRIM_BOTTOM, "toggle-ltrim-bottom", false },
 142         { Tabular::TOGGLE_RTRIM_TOP, "toggle-rtrim-top", false },
 143         { Tabular::TOGGLE_RTRIM_BOTTOM, "toggle-rtrim-bottom", false },
 144         { Tabular::ALIGN_LEFT, "align-left", false },
 145         { Tabular::ALIGN_RIGHT, "align-right", false },
 146         { Tabular::ALIGN_CENTER, "align-center", false },
 147         { Tabular::ALIGN_BLOCK, "align-block", false },
 148         { Tabular::ALIGN_DECIMAL, "align-decimal", false },
 149         { Tabular::VALIGN_TOP, "valign-top", false },
 150         { Tabular::VALIGN_BOTTOM, "valign-bottom", false },
 151         { Tabular::VALIGN_MIDDLE, "valign-middle", false },
 152         { Tabular::M_ALIGN_LEFT, "m-align-left", false },
 153         { Tabular::M_ALIGN_RIGHT, "m-align-right", false },
 154         { Tabular::M_ALIGN_CENTER, "m-align-center", false },
 155         { Tabular::M_VALIGN_TOP, "m-valign-top", false },
 156         { Tabular::M_VALIGN_BOTTOM, "m-valign-bottom", false },
 157         { Tabular::M_VALIGN_MIDDLE, "m-valign-middle", false },
 158         { Tabular::MULTICOLUMN, "multicolumn", false },
 159         { Tabular::SET_MULTICOLUMN, "set-multicolumn", false },
 160         { Tabular::UNSET_MULTICOLUMN, "unset-multicolumn", false },
 161         { Tabular::MULTIROW, "multirow", false },
 162         { Tabular::SET_MULTIROW, "set-multirow", false },
 163         { Tabular::UNSET_MULTIROW, "unset-multirow", false },
 164         { Tabular::SET_MROFFSET, "set-mroffset", true },
 165         { Tabular::SET_ALL_LINES, "set-all-lines", false },
 166         { Tabular::RESET_FORMAL_DEFAULT, "reset-formal-default", false },
 167         { Tabular::UNSET_ALL_LINES, "unset-all-lines", false },
 168         { Tabular::TOGGLE_LONGTABULAR, "toggle-longtabular", false },
 169         { Tabular::SET_LONGTABULAR, "set-longtabular", false },
 170         { Tabular::UNSET_LONGTABULAR, "unset-longtabular", false },
 171         { Tabular::SET_PWIDTH, "set-pwidth", true },
 172         { Tabular::SET_MPWIDTH, "set-mpwidth", true },
 173         { Tabular::TOGGLE_VARWIDTH_COLUMN, "toggle-varwidth-column", true },
 174         { Tabular::SET_ROTATE_TABULAR, "set-rotate-tabular", true },
 175         { Tabular::UNSET_ROTATE_TABULAR, "unset-rotate-tabular", true },
 176         { Tabular::TOGGLE_ROTATE_TABULAR, "toggle-rotate-tabular", true },
 177         { Tabular::SET_ROTATE_CELL, "set-rotate-cell", true },
 178         { Tabular::UNSET_ROTATE_CELL, "unset-rotate-cell", true },
 179         { Tabular::TOGGLE_ROTATE_CELL, "toggle-rotate-cell", true },
 180         { Tabular::SET_USEBOX, "set-usebox", true },
 181         { Tabular::SET_LTHEAD, "set-lthead", true },
 182         { Tabular::UNSET_LTHEAD, "unset-lthead", true },
 183         { Tabular::SET_LTFIRSTHEAD, "set-ltfirsthead", true },
 184         { Tabular::UNSET_LTFIRSTHEAD, "unset-ltfirsthead", true },
 185         { Tabular::SET_LTFOOT, "set-ltfoot", true },
 186         { Tabular::UNSET_LTFOOT, "unset-ltfoot", true },
 187         { Tabular::SET_LTLASTFOOT, "set-ltlastfoot", true },
 188         { Tabular::UNSET_LTLASTFOOT, "unset-ltlastfoot", true },
 189         { Tabular::SET_LTNEWPAGE, "set-ltnewpage", false },
 190         { Tabular::UNSET_LTNEWPAGE, "unset-ltnewpage", false },
 191         { Tabular::TOGGLE_LTCAPTION, "toggle-ltcaption", false },
 192         { Tabular::SET_LTCAPTION, "set-ltcaption", false },
 193         { Tabular::UNSET_LTCAPTION, "unset-ltcaption", false },
 194         { Tabular::SET_SPECIAL_COLUMN, "set-special-column", true },
 195         { Tabular::SET_SPECIAL_MULTICOLUMN, "set-special-multicolumn", true },
 196         { Tabular::TOGGLE_BOOKTABS, "toggle-booktabs", false },
 197         { Tabular::SET_BOOKTABS, "set-booktabs", false },
 198         { Tabular::UNSET_BOOKTABS, "unset-booktabs", false },
 199         { Tabular::SET_TOP_SPACE, "set-top-space", true },
 200         { Tabular::SET_BOTTOM_SPACE, "set-bottom-space", true },
 201         { Tabular::SET_INTERLINE_SPACE, "set-interline-space", true },
 202         { Tabular::SET_BORDER_LINES, "set-border-lines", false },
 203         { Tabular::TABULAR_VALIGN_TOP, "tabular-valign-top", false},
 204         { Tabular::TABULAR_VALIGN_MIDDLE, "tabular-valign-middle", false},
 205         { Tabular::TABULAR_VALIGN_BOTTOM, "tabular-valign-bottom", false},
 206         { Tabular::LONGTABULAR_ALIGN_LEFT, "longtabular-align-left", false },
 207         { Tabular::LONGTABULAR_ALIGN_CENTER, "longtabular-align-center", false },
 208         { Tabular::LONGTABULAR_ALIGN_RIGHT, "longtabular-align-right", false },
 209         { Tabular::SET_DECIMAL_POINT, "set-decimal-point", true },
 210         { Tabular::SET_TABULAR_WIDTH, "set-tabular-width", true },
 211         { Tabular::SET_INNER_LINES, "set-inner-lines", false },
 212         { Tabular::LAST_ACTION, "", false }
 213 };
 214
 215
 216 string const tostr(LyXAlignment const & num)
 217 {
 218         switch (num) {
 219         case LYX_ALIGN_NONE:
 220                 return "none";
 221         case LYX_ALIGN_BLOCK:
 222                 return "block";
 223         case LYX_ALIGN_LEFT:
 224                 return "left";
 225         case LYX_ALIGN_CENTER:
 226                 return "center";
 227         case LYX_ALIGN_RIGHT:
 228                 return "right";
 229         case LYX_ALIGN_LAYOUT:
 230                 return "layout";
 231         case LYX_ALIGN_SPECIAL:
 232                 return "special";
 233         case LYX_ALIGN_DECIMAL:
 234                 return "decimal";
 235         }
 236         return string();
 237 }
 238
 239
 240 string const tostr(Tabular::HAlignment const & num)
 241 {
 242         switch (num) {
 243         case Tabular::LYX_LONGTABULAR_ALIGN_LEFT:
 244                 return "left";
 245         case Tabular::LYX_LONGTABULAR_ALIGN_CENTER:
 246                 return "center";
 247         case Tabular::LYX_LONGTABULAR_ALIGN_RIGHT:
 248                 return "right";
 249         }
 250         return string();
 251 }
 252
 253
 254 string const tostr(Tabular::VAlignment const & num)
 255 {
 256         switch (num) {
 257         case Tabular::LYX_VALIGN_TOP:
 258                 return "top";
 259         case Tabular::LYX_VALIGN_MIDDLE:
 260                 return "middle";
 261         case Tabular::LYX_VALIGN_BOTTOM:
 262                 return "bottom";
 263         }
 264         return string();
 265 }
 266
 267
 268 string const tostr(Tabular::BoxType const & num)
 269 {
 270         switch (num) {
 271         case Tabular::BOX_NONE:
 272                 return "none";
 273         case Tabular::BOX_PARBOX:
 274                 return "parbox";
 275         case Tabular::BOX_MINIPAGE:
 276                 return "minipage";
 277         case Tabular::BOX_VARWIDTH:
 278                 return "varwidth";
 279         }
 280         return string();
 281 }
 282
 283
 284 // I would have liked a fromstr template a lot better. (Lgb)
 285 bool string2type(string const & str, LyXAlignment & num)
 286 {
 287         if (str == "none")
 288                 num = LYX_ALIGN_NONE;
 289         else if (str == "block")
 290                 num = LYX_ALIGN_BLOCK;
 291         else if (str == "left")
 292                 num = LYX_ALIGN_LEFT;
 293         else if (str == "center")
 294                 num = LYX_ALIGN_CENTER;
 295         else if (str == "right")
 296                 num = LYX_ALIGN_RIGHT;
 297         else if (str == "decimal")
 298                 num = LYX_ALIGN_DECIMAL;
 299         else
 300                 return false;
 301         return true;
 302 }
 303
 304
 305 bool string2type(string const & str, Tabular::HAlignment & num)
 306 {
 307         if (str == "left")
 308                 num = Tabular::LYX_LONGTABULAR_ALIGN_LEFT;
 309         else if (str == "center" )
 310                 num = Tabular::LYX_LONGTABULAR_ALIGN_CENTER;
 311         else if (str == "right")
 312                 num = Tabular::LYX_LONGTABULAR_ALIGN_RIGHT;
 313         else
 314                 return false;
 315         return true;
 316 }
 317
 318
 319 bool string2type(string const & str, Tabular::VAlignment & num)
 320 {
 321         if (str == "top")
 322                 num = Tabular::LYX_VALIGN_TOP;
 323         else if (str == "middle" )
 324                 num = Tabular::LYX_VALIGN_MIDDLE;
 325         else if (str == "bottom")
 326                 num = Tabular::LYX_VALIGN_BOTTOM;
 327         else
 328                 return false;
 329         return true;
 330 }
 331
 332
 333 bool string2type(string const & str, Tabular::BoxType & num)
 334 {
 335         if (str == "none")
 336                 num = Tabular::BOX_NONE;
 337         else if (str == "parbox")
 338                 num = Tabular::BOX_PARBOX;
 339         else if (str == "minipage")
 340                 num = Tabular::BOX_MINIPAGE;
 341         else if (str == "varwidth")
 342                 num = Tabular::BOX_VARWIDTH;
 343         else
 344                 return false;
 345         return true;
 346 }
 347
 348
 349 bool string2type(string const & str, bool & num)
 350 {
 351         if (str == "true")
 352                 num = true;
 353         else if (str == "false")
 354                 num = false;
 355         else
 356                 return false;
 357         return true;
 358 }
 359
 360
 361 bool getTokenValue(string const & str, char const * token, string & ret)
 362 {
 363         ret.erase();
 364         size_t token_length = strlen(token);
 365         size_t pos = str.find(token);
 366
 367         if (pos == string::npos || pos + token_length + 1 >= str.length()
 368                 || str[pos + token_length] != '=')
 369                 return false;
 370         pos += token_length + 1;
 371         char ch = str[pos];
 372         if (ch != '"' && ch != '\'') { // only read till next space
 373                 ret += ch;
 374                 ch = ' ';
 375         }
 376         while (pos < str.length() - 1 && str[++pos] != ch)
 377                 ret += str[pos];
 378
 379         return true;
 380 }
 381
 382
 383 bool getTokenValue(string const & str, char const * token, docstring & ret)
 384 {
 385         string tmp;
 386         bool const success = getTokenValue(str, token, tmp);
 387         ret = from_utf8(tmp);
 388         return success;
 389 }
 390
 391
 392 bool getTokenValue(string const & str, char const * token, int & num)
 393 {
 394         string tmp;
 395         num = 0;
 396         if (!getTokenValue(str, token, tmp))
 397                 return false;
 398         num = convert<int>(tmp);
 399         return true;
 400 }
 401
 402
 403 bool getTokenValue(string const & str, char const * token, LyXAlignment & num)
 404 {
 405         string tmp;
 406         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 407 }
 408
 409
 410 bool getTokenValue(string const & str, char const * token,
 411                                    Tabular::HAlignment & num)
 412 {
 413         string tmp;
 414         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 415 }
 416
 417
 418 bool getTokenValue(string const & str, char const * token,
 419                                    Tabular::VAlignment & num)
 420 {
 421         string tmp;
 422         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 423 }
 424
 425
 426 bool getTokenValue(string const & str, char const * token,
 427                                    Tabular::BoxType & num)
 428 {
 429         string tmp;
 430         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 431 }
 432
 433
 434 bool getTokenValue(string const & str, char const * token, bool & flag)
 435 {
 436         // set the flag always to false as this should be the default for bools
 437         // not in the file-format.
 438         flag = false;
 439         string tmp;
 440         return getTokenValue(str, token, tmp) && string2type(tmp, flag);
 441 }
 442
 443
 444 bool getTokenValue(string const & str, char const * token, Length & len)
 445 {
 446         // set the length to be zero() as default as this it should be if not
 447         // in the file format.
 448         len = Length();
 449         string tmp;
 450         return getTokenValue(str, token, tmp) && isValidLength(tmp, &len);
 451 }
 452
 453
 454 bool getTokenValue(string const & str, char const * token, Change & change, BufferParams bp)
 455 {
 456         // set the change to be Change() as default as this it should be if not
 457         // in the file format.
 458         change = Change();
 459         string tmp;
 460         if (getTokenValue(str, token, tmp)) {
 461                 vector<string> const changedata = getVectorFromString(tmp, " ");
 462                 if (changedata.size() != 3) {
 463                         Alert::warning(_("Change tracking data incomplete"),
 464                                        _("Change tracking information for tabular row/column "
 465                                          "is incomplete. I will ignore this.\n"));
 466                         return false;
 467                 }
 468                 BufferParams::AuthorMap const & am = bp.author_map_;
 469                 int aid = convert<int>(changedata[1]);
 470                 if (am.find(aid) == am.end()) {
 471                         // FIXME Use ErrorList
 472                         Alert::warning(_("Change tracking author index missing"),
 473                                 bformat(_("A change tracking author information for index "
 474                                           "%1$d is missing. This can happen after a wrong "
 475                                           "merge by a version control system. In this case, "
 476                                           "either fix the merge, or have this information "
 477                                           "missing until the corresponding tracked changes "
 478                                           "are merged or this user edits the file again.\n"),
 479                                         aid));
 480                         bp.addAuthor(Author(aid));
 481                 }
 482                 istringstream is(changedata[2]);
 483                 time_t ct;
 484                 is >> ct;
 485                 if (changedata[0] == "inserted") {
 486                         change = Change(Change::INSERTED, am.find(aid)->second, ct);
 487                         return true;
 488                 } else if (changedata[0] == "deleted") {
 489                         change = Change(Change::DELETED, am.find(aid)->second, ct);
 490                         return true;
 491                 }
 492         }
 493         return false;
 494 }
 495
 496
 497 bool getTokenValue(string const & str, char const * token, Length & len, bool & flag)
 498 {
 499         len = Length();
 500         flag = false;
 501         string tmp;
 502         if (!getTokenValue(str, token, tmp))
 503                 return false;
 504         if (tmp == "default") {
 505                 flag = true;
 506                 return  true;
 507         }
 508         return isValidLength(tmp, &len);
 509 }
 510
 511
 512 void l_getline(istream & is, string & str)
 513 {
 514         str.erase();
 515         while (str.empty()) {
 516                 getline(is, str);
 517                 if (!str.empty() && str[str.length() - 1] == '\r')
 518                         str.erase(str.length() - 1);
 519         }
 520 }
 521
 522 template <class T>
 523 string const write_attribute(string const & name, T const & t)
 524 {
 525         string const s = tostr(t);
 526         return s.empty() ? s : " " + name + "=\"" + s + "\"";
 527 }
 528
 529 template <>
 530 string const write_attribute(string const & name, string const & t)
 531 {
 532         return t.empty() ? t : " " + name + "=\"" + t + "\"";
 533 }
 534
 535
 536 template <>
 537 string const write_attribute(string const & name, docstring const & t)
 538 {
 539         return t.empty() ? string() : " " + name + "=\"" + to_utf8(t) + "\"";
 540 }
 541
 542
 543 template <>
 544 string const write_attribute(string const & name, bool const & b)
 545 {
 546         // we write only true attribute values so we remove a bit of the
 547         // file format bloat for tabulars.
 548         return b ? write_attribute(name, convert<string>(b)) : string();
 549 }
 550
 551
 552 template <>
 553 string const write_attribute(string const & name, int const & i)
 554 {
 555         // we write only true attribute values so we remove a bit of the
 556         // file format bloat for tabulars.
 557         return i ? write_attribute(name, convert<string>(i)) : string();
 558 }
 559
 560
 561 template <>
 562 string const write_attribute(string const & name, Tabular::idx_type const & i)
 563 {
 564         // we write only true attribute values so we remove a bit of the
 565         // file format bloat for tabulars.
 566         return i ? write_attribute(name, convert<string>(i)) : string();
 567 }
 568
 569
 570 template <>
 571 string const write_attribute(string const & name, Length const & value)
 572 {
 573         // we write only the value if we really have one same reson as above.
 574         return value.zero() ? string() : write_attribute(name, value.asString());
 575 }
 576
 577 string const write_attribute(string const & name, Change const & change, BufferParams const bp)
 578 {
 579         odocstringstream ods;
 580         if (change.inserted())
 581                 ods << from_ascii("inserted");
 582         else if (change.deleted())
 583                 ods << from_ascii("deleted");
 584         if (change.changed()) {
 585                 ods << " " << bp.authors().get(change.author).bufferId()
 586                     << " " << change.changetime;
 587                 return write_attribute(name, ods.str());
 588         }
 589         return string();
 590 }
 591
 592 } // namespace
 593
 594
 595 string const featureAsString(Tabular::Feature action)
 596 {
 597         for (size_t i = 0; i != Tabular::LAST_ACTION; ++i) {
 598                 if (tabularFeature[i].action == action)
 599                         return tabularFeature[i].feature;
 600         }
 601         return string();
 602 }
 603
 604
 605 DocIterator separatorPos(InsetTableCell const * cell, docstring const & align_d)
 606 {
 607         DocIterator dit = doc_iterator_begin(&(cell->buffer()), cell);
 608         for (; dit; dit.forwardChar())
 609                 if (dit.inTexted() && dit.depth() == 1
 610                         && dit.paragraph().find(align_d, false, false, dit.pos()))
 611                         break;
 612
 613         return dit;
 614 }
 615
 616
 617 InsetTableCell splitCell(InsetTableCell & head, docstring const & align_d, bool & hassep)
 618 {
 619         InsetTableCell tail = InsetTableCell(head);
 620         DocIterator const dit = separatorPos(&head, align_d);
 621         hassep = (bool)dit;
 622         if (hassep) {
 623                 pit_type const psize = head.paragraphs().front().size();
 624                 head.paragraphs().front().eraseChars(dit.pos(), psize, false);
 625                 tail.paragraphs().front().eraseChars(0,
 626                         dit.pos() < psize ? dit.pos() + 1 : psize, false);
 627         }
 628
 629         return tail;
 630 }
 631
 632
 633 /////////////////////////////////////////////////////////////////////
 634 //
 635 // Tabular
 636 //
 637 /////////////////////////////////////////////////////////////////////
 638
 639
 640 Tabular::CellData::CellData(Buffer * buf)
 641         : cellno(0),
 642           width(0),
 643           multicolumn(Tabular::CELL_NORMAL),
 644           multirow(Tabular::CELL_NORMAL),
 645           alignment(LYX_ALIGN_CENTER),
 646           valignment(LYX_VALIGN_TOP),
 647           decimal_hoffset(0),
 648           decimal_width(0),
 649           voffset(0),
 650           top_line(false),
 651           bottom_line(false),
 652           left_line(false),
 653           right_line(false),
 654           top_line_rtrimmed(false),
 655           top_line_ltrimmed(false),
 656           bottom_line_rtrimmed(false),
 657           bottom_line_ltrimmed(false),
 658           usebox(BOX_NONE),
 659           rotate(0),
 660           inset(new InsetTableCell(buf))
 661 {
 662         inset->setBuffer(*buf);
 663 }
 664
 665
 666 Tabular::CellData::CellData(CellData const & cs)
 667         : cellno(cs.cellno),
 668           width(cs.width),
 669           multicolumn(cs.multicolumn),
 670           multirow(cs.multirow),
 671           mroffset(cs.mroffset),
 672           alignment(cs.alignment),
 673           valignment(cs.valignment),
 674           decimal_hoffset(cs.decimal_hoffset),
 675           decimal_width(cs.decimal_width),
 676           voffset(cs.voffset),
 677           top_line(cs.top_line),
 678           bottom_line(cs.bottom_line),
 679           left_line(cs.left_line),
 680           right_line(cs.right_line),
 681           top_line_rtrimmed(cs.top_line_rtrimmed),
 682           top_line_ltrimmed(cs.top_line_ltrimmed),
 683           bottom_line_rtrimmed(cs.bottom_line_rtrimmed),
 684           bottom_line_ltrimmed(cs.bottom_line_ltrimmed),
 685           usebox(cs.usebox),
 686           rotate(cs.rotate),
 687           align_special(cs.align_special),
 688           p_width(cs.p_width),
 689           inset(static_cast<InsetTableCell *>(cs.inset->clone()))
 690 {
 691 }
 692
 693 Tabular::CellData & Tabular::CellData::operator=(CellData const & cs)
 694 {
 695         if (&cs == this)
 696                 return *this;
 697         cellno = cs.cellno;
 698         width = cs.width;
 699         multicolumn = cs.multicolumn;
 700         multirow = cs.multirow;
 701         mroffset = cs.mroffset;
 702         alignment = cs.alignment;
 703         valignment = cs.valignment;
 704         decimal_hoffset = cs.decimal_hoffset;
 705         decimal_width = cs.decimal_width;
 706         voffset = cs.voffset;
 707         top_line = cs.top_line;
 708         bottom_line = cs.bottom_line;
 709         left_line = cs.left_line;
 710         right_line = cs.right_line;
 711         top_line_rtrimmed = cs.top_line_rtrimmed;
 712         top_line_ltrimmed = cs.top_line_ltrimmed;
 713         bottom_line_rtrimmed = cs.bottom_line_rtrimmed;
 714         bottom_line_ltrimmed = cs.bottom_line_ltrimmed;
 715         usebox = cs.usebox;
 716         rotate = cs.rotate;
 717         align_special = cs.align_special;
 718         p_width = cs.p_width;
 719         inset.reset(static_cast<InsetTableCell *>(cs.inset->clone()));
 720         return *this;
 721 }
 722
 723 Tabular::RowData::RowData()
 724         : ascent(0),
 725           descent(0),
 726           top_space_default(false),
 727           bottom_space_default(false),
 728           interline_space_default(false),
 729           endhead(false),
 730           endfirsthead(false),
 731           endfoot(false),
 732           endlastfoot(false),
 733           newpage(false),
 734           caption(false),
 735           change(Change())
 736 {}
 737
 738
 739 Tabular::ColumnData::ColumnData()
 740         : alignment(LYX_ALIGN_CENTER),
 741           valignment(LYX_VALIGN_TOP),
 742           width(0),
 743           varwidth(false),
 744           change(Change())
 745 {
 746 }
 747
 748
 749 Tabular::ltType::ltType()
 750         : set(false), topDL(false),
 751           bottomDL(false),
 752           empty(false)
 753 {}
 754
 755
 756 Tabular::Tabular(Buffer * buffer, row_type rows_arg, col_type columns_arg)
 757 {
 758         init(buffer, rows_arg, columns_arg);
 759 }
 760
 761
 762 void Tabular::setBuffer(Buffer & buffer)
 763 {
 764         buffer_ = &buffer;
 765         for (row_type i = 0; i < nrows(); ++i)
 766                 for (col_type j = 0; j < ncols(); ++j)
 767                         cell_info[i][j].inset->setBuffer(*buffer_);
 768 }
 769
 770
 771 // activates all lines and sets all widths to 0
 772 void Tabular::init(Buffer * buf, row_type rows_arg,
 773                       col_type columns_arg)
 774 {
 775         buffer_ = buf;
 776         row_info = row_vector(rows_arg);
 777         column_info = column_vector(columns_arg);
 778         cell_info = cell_vvector(rows_arg, cell_vector(columns_arg, CellData(buf)));
 779         row_info.reserve(10);
 780         column_info.reserve(10);
 781         cell_info.reserve(100);
 782         updateIndexes();
 783         is_long_tabular = false;
 784         tabular_valignment = LYX_VALIGN_MIDDLE;
 785         tabular_width = Length();
 786         longtabular_alignment = LYX_LONGTABULAR_ALIGN_CENTER;
 787         rotate = 0;
 788         use_booktabs = false;
 789         // set silly default lines
 790         for (row_type r = 0; r < nrows(); ++r)
 791                 for (col_type c = 0; c < ncols(); ++c) {
 792                         cell_info[r][c].inset->setBuffer(*buffer_);
 793                         cell_info[r][c].top_line = true;
 794                         cell_info[r][c].left_line = true;
 795                         cell_info[r][c].bottom_line = r == 0 || r == nrows() - 1;
 796                         cell_info[r][c].right_line = c == ncols() - 1;
 797                 }
 798 }
 799
 800
 801 void Tabular::deleteRow(row_type const row, bool const force)
 802 {
 803         // Not allowed to delete last row
 804         if (nrows() == 1)
 805                 return;
 806
 807         bool const ct = force ? false : buffer().params().track_changes;
 808
 809         for (col_type c = 0; c < ncols(); ++c) {
 810                 // Care about multirow cells
 811                 if (row + 1 < nrows() &&
 812                     cell_info[row][c].multirow == CELL_BEGIN_OF_MULTIROW &&
 813                     cell_info[row + 1][c].multirow == CELL_PART_OF_MULTIROW) {
 814                                 cell_info[row + 1][c].multirow = CELL_BEGIN_OF_MULTIROW;
 815                 }
 816         }
 817         if (ct)
 818                 row_info[row].change.setDeleted();
 819         else {
 820                 row_info.erase(row_info.begin() + row);
 821                 cell_info.erase(cell_info.begin() + row);
 822         }
 823         updateIndexes();
 824 }
 825
 826
 827 void Tabular::copyRow(row_type const row)
 828 {
 829         insertRow(row, true);
 830 }
 831
 832
 833 void Tabular::appendRow(row_type row)
 834 {
 835         insertRow(row, false);
 836 }
 837
 838
 839 void Tabular::insertRow(row_type const row, bool copy)
 840 {
 841         row_info.insert(row_info.begin() + row + 1, RowData(row_info[row]));
 842         cell_info.insert(cell_info.begin() + row + 1,
 843                 cell_vector(0, CellData(buffer_)));
 844
 845         for (col_type c = 0; c < ncols(); ++c) {
 846                 cell_info[row + 1].insert(cell_info[row + 1].begin() + c,
 847                         copy ? CellData(cell_info[row][c]) : CellData(buffer_));
 848                 if (cell_info[row][c].multirow == CELL_BEGIN_OF_MULTIROW)
 849                         cell_info[row + 1][c].multirow = CELL_PART_OF_MULTIROW;
 850         }
 851
 852         updateIndexes();
 853         for (col_type c = 0; c < ncols(); ++c) {
 854                 if (isPartOfMultiRow(row, c))
 855                         continue;
 856                 // inherit line settings
 857                 idx_type const i = cellIndex(row + 1, c);
 858                 idx_type const j = cellIndex(row, c);
 859                 setLeftLine(i, leftLine(j));
 860                 setRightLine(i, rightLine(j));
 861                 setTopLine(i, topLine(j));
 862                 if (topLine(j) && bottomLine(j)) {
 863                         setBottomLine(i, true);
 864                         setBottomLine(j, false);
 865                 }
 866         }
 867         if (buffer().params().track_changes) {
 868                 row_info[row + 1].change.setInserted();
 869                 updateIndexes();
 870         }
 871 }
 872
 873
 874 void Tabular::moveColumn(col_type col, ColDirection direction)
 875 {
 876         if (direction == Tabular::LEFT)
 877                 col = col - 1;
 878
 879         std::swap(column_info[col], column_info[col + 1]);
 880
 881         for (row_type r = 0; r < nrows(); ++r) {
 882                 std::swap(cell_info[r][col], cell_info[r][col + 1]);
 883                 std::swap(cell_info[r][col].left_line, cell_info[r][col + 1].left_line);
 884                 std::swap(cell_info[r][col].right_line, cell_info[r][col + 1].right_line);
 885
 886                 idx_type const i = cellIndex(r, col);
 887                 idx_type const j = cellIndex(r, col + 1);
 888                 if (buffer().params().track_changes) {
 889                         cellInfo(i).inset->setChange(Change(Change::INSERTED));
 890                         cellInfo(j).inset->setChange(Change(Change::INSERTED));
 891                 }
 892         }
 893         updateIndexes();
 894 }
 895
 896
 897 void Tabular::moveRow(row_type row, RowDirection direction)
 898 {
 899         if (direction == Tabular::UP)
 900                 row = row - 1;
 901
 902         std::swap(row_info[row], row_info[row + 1]);
 903
 904         for (col_type c = 0; c < ncols(); ++c) {
 905                 std::swap(cell_info[row][c], cell_info[row + 1][c]);
 906                 std::swap(cell_info[row][c].top_line, cell_info[row + 1][c].top_line);
 907                 std::swap(cell_info[row][c].bottom_line, cell_info[row + 1][c].bottom_line);
 908
 909                 idx_type const i = cellIndex(row, c);
 910                 idx_type const j = cellIndex(row + 1, c);
 911                 if (buffer().params().track_changes) {
 912                         cellInfo(i).inset->setChange(Change(Change::INSERTED));
 913                         cellInfo(j).inset->setChange(Change(Change::INSERTED));
 914                 }
 915         }
 916         updateIndexes();
 917 }
 918
 919
 920 void Tabular::deleteColumn(col_type const col, bool const force)
 921 {
 922         // Not allowed to delete last column
 923         if (ncols() == 1)
 924                 return;
 925
 926         bool const ct = force ? false : buffer().params().track_changes;
 927
 928         for (row_type r = 0; r < nrows(); ++r) {
 929                 // Care about multicolumn cells
 930                 if (col + 1 < ncols() &&
 931                     cell_info[r][col].multicolumn == CELL_BEGIN_OF_MULTICOLUMN &&
 932                     cell_info[r][col + 1].multicolumn == CELL_PART_OF_MULTICOLUMN) {
 933                                 cell_info[r][col + 1].multicolumn = CELL_BEGIN_OF_MULTICOLUMN;
 934                 }
 935                 if (!ct)
 936                         cell_info[r].erase(cell_info[r].begin() + col);
 937         }
 938         if (ct)
 939                 column_info[col].change.setDeleted();
 940         else
 941                 column_info.erase(column_info.begin() + col);
 942         updateIndexes();
 943 }
 944
 945
 946 void Tabular::copyColumn(col_type const col)
 947 {
 948         insertColumn(col, true);
 949 }
 950
 951
 952 void Tabular::appendColumn(col_type col)
 953 {
 954         insertColumn(col, false);
 955 }
 956
 957
 958 void Tabular::insertColumn(col_type const col, bool copy)
 959 {
 960         bool const ct = buffer().params().track_changes;
 961         column_info.insert(column_info.begin() + col + 1, ColumnData(column_info[col]));
 962
 963         for (row_type r = 0; r < nrows(); ++r) {
 964                 cell_info[r].insert(cell_info[r].begin() + col + 1,
 965                         copy ? CellData(cell_info[r][col]) : CellData(buffer_));
 966                 if (cell_info[r][col].multicolumn == CELL_BEGIN_OF_MULTICOLUMN)
 967                         cell_info[r][col + 1].multicolumn = CELL_PART_OF_MULTICOLUMN;
 968         }
 969         updateIndexes();
 970         for (row_type r = 0; r < nrows(); ++r) {
 971                 // inherit line settings
 972                 idx_type const i = cellIndex(r, col + 1);
 973                 idx_type const j = cellIndex(r, col);
 974                 setBottomLine(i, bottomLine(j));
 975                 setTopLine(i, topLine(j));
 976                 setLeftLine(i, leftLine(j));
 977                 setRightLine(i, rightLine(j));
 978                 if (rightLine(i) && rightLine(j)) {
 979                         setRightLine(j, false);
 980                 }
 981         }
 982         if (ct) {
 983                 column_info[col + 1].change.setInserted();
 984                 updateIndexes();
 985         }
 986 }
 987
 988
 989 void Tabular::updateIndexes()
 990 {
 991         setBuffer(buffer());
 992         numberofcells = 0;
 993         // reset cell number
 994         for (row_type row = 0; row < nrows(); ++row)
 995                 for (col_type column = 0; column < ncols(); ++column) {
 996                         if (!isPartOfMultiColumn(row, column)
 997                                 && !isPartOfMultiRow(row, column))
 998                                 ++numberofcells;
 999                         if (isPartOfMultiRow(row, column))
1000                                 cell_info[row][column].cellno = cell_info[row - 1][column].cellno;
1001                         else
1002                                 cell_info[row][column].cellno = numberofcells - 1;
1003                 }
1004
1005         rowofcell.resize(numberofcells);
1006         columnofcell.resize(numberofcells);
1007         idx_type i = 0;
1008         // reset column and row of cells and update their width, alignment and ct status
1009         for (row_type row = 0; row < nrows(); ++row) {
1010                 for (col_type column = 0; column < ncols(); ++column) {
1011                         if (isPartOfMultiColumn(row, column)) {
1012                                 cell_info[row][column].inset->toggleMultiCol(true);
1013                                 continue;
1014                         }
1015                         cell_info[row][column].inset->toggleMultiCol(false);
1016                         // columnofcell needs to be called before setting width and aligment
1017                         // multirow cells inherit the width from the column width
1018                         if (!isPartOfMultiRow(row, column)) {
1019                                 columnofcell[i] = column;
1020                                 rowofcell[i] = row;
1021                         }
1022                         setFixedWidth(row, column);
1023                         if (isPartOfMultiRow(row, column)) {
1024                                 cell_info[row][column].inset->toggleMultiRow(true);
1025                                 continue;
1026                         }
1027                         cell_info[row][column].inset->toggleMultiRow(false);
1028                         cell_info[row][column].inset->setContentAlignment(
1029                                 getAlignment(cellIndex(row, column)));
1030                         if (buffer().params().track_changes) {
1031                                 if (row_info[row].change.changed())
1032                                         cell_info[row][column].inset->setChange(row_info[row].change);
1033                                 if (column_info[column].change.changed())
1034                                         cell_info[row][column].inset->setChange(column_info[column].change);
1035                         }
1036                         ++i;
1037                 }
1038         }
1039 }
1040
1041
1042 Tabular::idx_type Tabular::numberOfCellsInRow(row_type const row) const
1043 {
1044         idx_type result = 0;
1045         for (col_type c = 0; c < ncols(); ++c)
1046                 if (cell_info[row][c].multicolumn != Tabular::CELL_PART_OF_MULTICOLUMN)
1047                         ++result;
1048         return result;
1049 }
1050
1051
1052 bool Tabular::topLine(idx_type const cell) const
1053 {
1054         return cellInfo(cell).top_line;
1055 }
1056
1057
1058 bool Tabular::bottomLine(idx_type const cell) const
1059 {
1060         return cellInfo(cell).bottom_line;
1061 }
1062
1063
1064 bool Tabular::leftLine(idx_type cell, bool const ignore_bt) const
1065 {
1066         if (use_booktabs && !ignore_bt)
1067                 return false;
1068         return cellInfo(cell).left_line;
1069 }
1070
1071
1072 bool Tabular::rightLine(idx_type cell, bool const ignore_bt) const
1073 {
1074         if (use_booktabs && !ignore_bt)
1075                 return false;
1076         return cellInfo(cell).right_line;
1077 }
1078
1079
1080 pair<bool, bool> Tabular::topLineTrim(idx_type const cell) const
1081 {
1082         if (!use_booktabs)
1083                 return make_pair(false, false);
1084         return make_pair(cellInfo(cell).top_line_ltrimmed,
1085                          cellInfo(cell).top_line_rtrimmed);
1086 }
1087
1088
1089 pair<bool, bool> Tabular::bottomLineTrim(idx_type const cell) const
1090 {
1091         if (!use_booktabs)
1092                 return make_pair(false, false);
1093         return make_pair(cellInfo(cell).bottom_line_ltrimmed,
1094                          cellInfo(cell).bottom_line_rtrimmed);
1095 }
1096
1097
1098 int Tabular::interRowSpace(row_type row) const
1099 {
1100         if (!row || row >= nrows())
1101                 return 0;
1102
1103         int const interline_space = row_info[row - 1].interline_space_default ?
1104                 default_line_space :
1105                 row_info[row - 1].interline_space.inPixels(width());
1106         if (rowTopLine(row) && rowBottomLine(row - 1))
1107                 return interline_space + WIDTH_OF_LINE;
1108         return interline_space;
1109 }
1110
1111
1112 int Tabular::interColumnSpace(idx_type cell) const
1113 {
1114         col_type const nextcol = cellColumn(cell) + columnSpan(cell);
1115         if (rightLine(cell) && nextcol < ncols()
1116                 && leftLine(cellIndex(cellRow(cell), nextcol)))
1117                 return WIDTH_OF_LINE;
1118         return 0;
1119 }
1120
1121
1122 int Tabular::cellWidth(idx_type cell) const
1123 {
1124         int w = 0;
1125         col_type const span = columnSpan(cell);
1126         col_type const col = cellColumn(cell);
1127         for(col_type c = col; c < col + span ; ++c)
1128                 w += column_info[c].width;
1129         return w;
1130 }
1131
1132
1133 int Tabular::cellHeight(idx_type cell) const
1134 {
1135         row_type const span = rowSpan(cell);
1136         row_type const row = cellRow(cell);
1137         int h = 0;
1138         for(row_type r = row; r < row + span ; ++r) {
1139                 h += rowAscent(r) + rowDescent(r);
1140                 if (r != row + span - 1)
1141                         h += interRowSpace(r + 1);
1142         }
1143
1144         return h;
1145 }
1146
1147
1148 bool Tabular::updateColumnWidths(MetricsInfo & mi)
1149 {
1150         vector<int> max_dwidth(ncols(), 0);
1151         // collect max. fixed width of column
1152         map<col_type, int> max_pwidth;
1153         // collect max. variable width of column
1154         map<col_type, int> max_width;
1155
1156         for(col_type c = 0; c < ncols(); ++c)
1157                 for(row_type r = 0; r < nrows(); ++r) {
1158                         idx_type const i = cellIndex(r, c);
1159                         if (getAlignment(i) == LYX_ALIGN_DECIMAL)
1160                                 max_dwidth[c] = max(max_dwidth[c], cell_info[r][c].decimal_width);
1161                         if (!getPWidth(i).zero())
1162                                 max_pwidth[c] = max(max_pwidth[c], cell_info[r][c].width);
1163                         else if (!column_info[c].varwidth)
1164                                 max_width[c] = max(max_width[c], cell_info[r][c].width);
1165                 }
1166
1167         // If we have a fixed tabular width, we take this into account
1168         Length tab_width = tabular_width;
1169         bool const tabularx = hasVarwidthColumn();
1170         if (tabularx && tab_width.zero())
1171                 // If no tabular width is specified with X columns,
1172                 // we use 100% colwidth
1173                 tab_width = Length(100, Length::PCW);
1174         int restwidth = -1;
1175         if (!tab_width.zero()) {
1176                 restwidth = mi.base.inPixels(tab_width);
1177                 // Substract the fixed widths from the table width
1178                 for (auto const w : max_pwidth)
1179                         restwidth -= w.second;
1180         }
1181
1182         // If we have a fixed width, distribute the available table width
1183         // (minus the fixed widths) to the variable-width columns
1184         int vcolwidth = -1;
1185         int restcols = ncols() - max_pwidth.size();
1186         if ((restwidth > 0) && (restcols != 0))
1187                 vcolwidth = restwidth / restcols;
1188
1189         // Now consider that some variable width columns exceed the vcolwidth
1190         if (vcolwidth > 0) {
1191                 bool changed = false;
1192                 for (auto const w : max_width) {
1193                         if (tabularx || w.second > vcolwidth) {
1194                                 --restcols;
1195                                 restwidth -= w.second;
1196                                 changed = true;
1197                         }
1198                 }
1199                 if (changed && restwidth > 0)
1200                         vcolwidth = restwidth / restcols;
1201         }
1202
1203         bool update = false;
1204         // for each col get max of single col cells
1205         for(col_type c = 0; c < ncols(); ++c) {
1206                 int new_width = 0;
1207                 for(row_type r = 0; r < nrows(); ++r) {
1208                         idx_type const i = cellIndex(r, c);
1209                         if (columnSpan(i) == 1) {
1210                                 if (getAlignment(i) == LYX_ALIGN_DECIMAL
1211                                         && cell_info[r][c].decimal_width != 0)
1212                                         new_width = max(new_width, cellInfo(i).width
1213                                                 + max_dwidth[c] - cellInfo(i).decimal_width);
1214                                 else if (getPWidth(i).zero() && vcolwidth > 0) {
1215                                         if (tabularx && !column_info[c].varwidth)
1216                                                 new_width = max(new_width, cellInfo(i).width);
1217                                         else if (tabularx)
1218                                                 new_width = vcolwidth;
1219                                         else
1220                                                 new_width = max(vcolwidth, max(new_width, cellInfo(i).width));
1221                                 } else
1222                                         new_width = max(new_width, cellInfo(i).width);
1223                         }
1224                 }
1225
1226                 if (column_info[c].width != new_width) {
1227                         column_info[c].width = new_width;
1228                         // Do not trigger update when no space is left for variable
1229                         // columns, as this will loop
1230                         update = tab_width.zero() || restwidth > 0;
1231                 }
1232         }
1233         // update col widths to fit merged cells
1234         for(col_type c = 0; c < ncols(); ++c)
1235                 for(row_type r = 0; r < nrows(); ++r) {
1236                         idx_type const i = cellIndex(r, c);
1237                         int const span = columnSpan(i);
1238                         if (span == 1 || c > cellColumn(i))
1239                                 continue;
1240
1241                         int old_width = 0;
1242                         for(col_type j = c; j < c + span ; ++j)
1243                                 old_width += column_info[j].width;
1244
1245                         if (cellInfo(i).width > old_width) {
1246                                 column_info[c + span - 1].width += cellInfo(i).width - old_width;
1247                                 // Do not trigger update when no space is left for variable
1248                                 // columns, as this will loop
1249                                 update = tab_width.zero() || restwidth > 0;
1250                         }
1251                 }
1252
1253         return update;
1254 }
1255
1256
1257 int Tabular::width() const
1258 {
1259         int width = 0;
1260         for (col_type c = 0; c < ncols(); ++c)
1261                 width += column_info[c].width;
1262         return width;
1263 }
1264
1265
1266 void Tabular::setAlignment(idx_type cell, LyXAlignment align,
1267                               bool has_width)
1268 {
1269         col_type const col = cellColumn(cell);
1270         // set alignment for the whole row if we are not in a multicolumn cell,
1271         // exclude possible multicolumn cells in the row
1272         if (!isMultiColumn(cell)) {
1273                 for (row_type r = 0; r < nrows(); ++r) {
1274                         // only if the column has no width the multirow inherits the
1275                         // alignment of the column, otherwise it is left aligned
1276                         if (!(isMultiRow(cellIndex(r, col)) && has_width)
1277                                 && !isMultiColumn(cellIndex(r, col))) {
1278                                 cell_info[r][col].alignment = align;
1279                                 cell_info[r][col].inset->setContentAlignment(align);
1280                         }
1281                         if ((isMultiRow(cellIndex(r, col)) && has_width)
1282                                 && !isMultiColumn(cellIndex(r, col))) {
1283                                 cell_info[r][col].alignment = LYX_ALIGN_LEFT;
1284                                 cell_info[r][col].inset->setContentAlignment(LYX_ALIGN_LEFT);
1285                         }
1286                 }
1287                 column_info[col].alignment = align;
1288                 docstring & dpoint = column_info[col].decimal_point;
1289                 if (align == LYX_ALIGN_DECIMAL && dpoint.empty()) {
1290                         Language const * tlang = buffer().paragraphs().front().getParLanguage(buffer().params());
1291                         dpoint = tlang->decimalSeparator();
1292                 }
1293         } else {
1294                 cellInfo(cell).alignment = align;
1295                 cellInset(cell)->setContentAlignment(align);
1296         }
1297 }
1298
1299
1300 void Tabular::setVAlignment(idx_type cell, VAlignment align,
1301                                bool onlycolumn)
1302 {
1303         if (!isMultiColumn(cell) || onlycolumn)
1304                 column_info[cellColumn(cell)].valignment = align;
1305         if (!onlycolumn)
1306                 cellInfo(cell).valignment = align;
1307 }
1308
1309
1310 namespace {
1311
1312 /**
1313  * Allow line and paragraph breaks for fixed width multicol/multirow cells
1314  * or disallow them, merge cell paragraphs and reset layout to standard
1315  * for variable width multicol cells.
1316  */
1317 void toggleFixedWidth(Cursor & cur, InsetTableCell * inset,
1318                       bool const fixedWidth, bool const multicol,
1319                       bool const multirow)
1320 {
1321         inset->toggleFixedWidth(fixedWidth);
1322         if (!multirow && (fixedWidth || !multicol))
1323                 return;
1324
1325         // merge all paragraphs to one
1326         BufferParams const & bp = cur.bv().buffer().params();
1327         while (inset->paragraphs().size() > 1)
1328                 mergeParagraph(bp, inset->paragraphs(), 0);
1329
1330         // This is relevant for multirows
1331         if (fixedWidth)
1332                 return;
1333
1334         // remove newlines
1335         ParagraphList::iterator pit = inset->paragraphs().begin();
1336         for (; pit != inset->paragraphs().end(); ++pit) {
1337                 for (pos_type j = 0; j != pit->size(); ++j) {
1338                         if (pit->isNewline(j))
1339                                 pit->eraseChar(j, bp.track_changes);
1340                 }
1341         }
1342
1343         // reset layout
1344         cur.push(*inset);
1345         // undo information has already been recorded
1346         inset->getText(0)->setLayout(0, cur.lastpit() + 1,
1347                         bp.documentClass().plainLayoutName());
1348         cur.pop();
1349 }
1350
1351 } // namespace
1352
1353
1354 void Tabular::setColumnPWidth(Cursor & cur, idx_type cell,
1355                 Length const & width)
1356 {
1357         col_type const c = cellColumn(cell);
1358
1359         column_info[c].p_width = width;
1360         // reset the vertical alignment to top if the fixed width
1361         // is removed or zero because only fixed width columns can
1362         // have a vertical alignment
1363         if (column_info[c].p_width.zero())
1364                 column_info[c].valignment = LYX_VALIGN_TOP;
1365         for (row_type r = 0; r < nrows(); ++r) {
1366                 idx_type const cidx = cellIndex(r, c);
1367                 // because of multicolumns
1368                 toggleFixedWidth(cur, cellInset(cidx).get(),
1369                                  !getPWidth(cidx).zero(), isMultiColumn(cidx),
1370                                  isMultiRow(cidx));
1371                 if (isMultiRow(cidx))
1372                         setAlignment(cidx, LYX_ALIGN_LEFT, false);
1373         }
1374         // cur can become invalid after paragraphs were merged
1375         cur.fixIfBroken();
1376 }
1377
1378
1379 bool Tabular::setFixedWidth(row_type r, col_type c)
1380 {
1381         bool const multicol = cell_info[r][c].multicolumn != CELL_NORMAL;
1382         bool const fixed_width = (!column_info[c].p_width.zero() && !multicol)
1383               || (multicol && !cell_info[r][c].p_width.zero());
1384         cell_info[r][c].inset->toggleFixedWidth(fixed_width);
1385         return fixed_width;
1386 }
1387
1388
1389 bool Tabular::setMColumnPWidth(Cursor & cur, idx_type cell,
1390                 Length const & width)
1391 {
1392         if (!isMultiColumn(cell))
1393                 return false;
1394
1395         cellInfo(cell).p_width = width;
1396         toggleFixedWidth(cur, cellInset(cell).get(), !width.zero(),
1397                          isMultiColumn(cell), isMultiRow(cell));
1398         // cur can become invalid after paragraphs were merged
1399         cur.fixIfBroken();
1400         return true;
1401 }
1402
1403
1404 bool Tabular::toggleVarwidth(idx_type cell, bool const varwidth)
1405 {
1406         column_info[cellColumn(cell)].varwidth = varwidth;
1407         return true;
1408 }
1409
1410
1411 bool Tabular::setMROffset(Cursor &, idx_type cell, Length const & mroffset)
1412 {
1413         cellInfo(cell).mroffset = mroffset;
1414         return true;
1415 }
1416
1417
1418 void Tabular::setAlignSpecial(idx_type cell, docstring const & special,
1419                                  Tabular::Feature what)
1420 {
1421         if (what == SET_SPECIAL_MULTICOLUMN)
1422                 cellInfo(cell).align_special = special;
1423         else
1424                 column_info[cellColumn(cell)].align_special = special;
1425 }
1426
1427
1428 void Tabular::setTopLine(idx_type i, bool line)
1429 {
1430         cellInfo(i).top_line = line;
1431 }
1432
1433
1434 void Tabular::setBottomLine(idx_type i, bool line)
1435 {
1436         cellInfo(i).bottom_line = line;
1437 }
1438
1439
1440 void Tabular::setTopLineLTrim(idx_type i, bool val)
1441 {
1442         cellInfo(i).top_line_ltrimmed = val;
1443 }
1444
1445
1446 void Tabular::setTopLineRTrim(idx_type i, bool val)
1447 {
1448         cellInfo(i).top_line_rtrimmed = val;
1449 }
1450
1451
1452 void Tabular::setBottomLineLTrim(idx_type i, bool val)
1453 {
1454         cellInfo(i).bottom_line_ltrimmed = val;
1455 }
1456
1457
1458 void Tabular::setBottomLineRTrim(idx_type i, bool val)
1459 {
1460         cellInfo(i).bottom_line_rtrimmed = val;
1461 }
1462
1463
1464 void Tabular::setTopLineTrim(idx_type i, pair<bool, bool> trim)
1465 {
1466         setTopLineLTrim(i, trim.first);
1467         setTopLineRTrim(i, trim.second);
1468 }
1469
1470 void Tabular::setBottomLineTrim(idx_type i, pair<bool, bool> trim)
1471 {
1472         setBottomLineLTrim(i, trim.first);
1473         setBottomLineRTrim(i, trim.second);
1474 }
1475
1476 void Tabular::setLeftLine(idx_type cell, bool line)
1477 {
1478         cellInfo(cell).left_line = line;
1479 }
1480
1481
1482 void Tabular::setRightLine(idx_type cell, bool line)
1483 {
1484         cellInfo(cell).right_line = line;
1485 }
1486
1487 bool Tabular::rowTopLine(row_type r) const
1488 {
1489         bool all_rows_set = true;
1490         for (col_type c = 0; all_rows_set && c < ncols(); ++c)
1491                 all_rows_set = cellInfo(cellIndex(r, c)).top_line;
1492         return all_rows_set;
1493 }
1494
1495
1496 bool Tabular::rowBottomLine(row_type r) const
1497 {
1498         bool all_rows_set = true;
1499         for (col_type c = 0; all_rows_set && c < ncols(); ++c)
1500                 all_rows_set = cellInfo(cellIndex(r, c)).bottom_line;
1501         return all_rows_set;
1502 }
1503
1504
1505 bool Tabular::columnLeftLine(col_type c) const
1506 {
1507         if (use_booktabs)
1508                 return false;
1509
1510         int nrows_left = 0;
1511         int total = 0;
1512         for (row_type r = 0; r < nrows(); ++r) {
1513                 idx_type const i = cellIndex(r, c);
1514                 if (c == cellColumn(i)) {
1515                         ++total;
1516                         bool right = c > 0 && cellInfo(cellIndex(r, c - 1)).right_line;
1517                         if (cellInfo(i).left_line || right)
1518                                 ++nrows_left;
1519                 }
1520         }
1521         return 2 * nrows_left >= total;
1522 }
1523
1524
1525 bool Tabular::columnRightLine(col_type c) const
1526 {
1527         if (use_booktabs)
1528                 return false;
1529
1530         int nrows_right = 0;
1531         int total = 0;
1532         for (row_type r = 0; r < nrows(); ++r) {
1533                 idx_type i = cellIndex(r, c);
1534                 if (c == cellColumn(i) + columnSpan(i) - 1) {
1535                         ++total;
1536                         bool left = (c + 1 < ncols()
1537                                 && cellInfo(cellIndex(r, c + 1)).left_line)
1538                                 || c + 1 == ncols();
1539                         if (cellInfo(i).right_line && left)
1540                                 ++nrows_right;
1541                 }
1542         }
1543         return 2 * nrows_right >= total;
1544 }
1545
1546
1547 LyXAlignment Tabular::getAlignment(idx_type cell, bool onlycolumn) const
1548 {
1549         if (!onlycolumn && (isMultiColumn(cell) || isMultiRow(cell)))
1550                 return cellInfo(cell).alignment;
1551
1552         return column_info[cellColumn(cell)].alignment;
1553 }
1554
1555
1556 Tabular::VAlignment
1557 Tabular::getVAlignment(idx_type cell, bool onlycolumn) const
1558 {
1559         if (!onlycolumn && (isMultiColumn(cell) || isMultiRow(cell)))
1560                 return cellInfo(cell).valignment;
1561         return column_info[cellColumn(cell)].valignment;
1562 }
1563
1564
1565 int Tabular::offsetVAlignment() const
1566 {
1567         // for top-alignment the first horizontal table line must be exactly at
1568         // the position of the base line of the surrounding text line
1569         // for bottom alignment, the same is for the last table line
1570         int offset_valign = 0;
1571         switch (tabular_valignment) {
1572         case Tabular::LYX_VALIGN_BOTTOM:
1573                 offset_valign = rowAscent(0) - height();
1574                 break;
1575         case Tabular::LYX_VALIGN_MIDDLE:
1576                 offset_valign = (- height()) / 2 + rowAscent(0);
1577                 break;
1578         case Tabular::LYX_VALIGN_TOP:
1579                 offset_valign = rowAscent(0);
1580                 break;
1581         }
1582         return offset_valign;
1583 }
1584
1585
1586 Length const Tabular::getPWidth(idx_type cell) const
1587 {
1588         if (isMultiColumn(cell))
1589                 return cellInfo(cell).p_width;
1590         return column_info[cellColumn(cell)].p_width;
1591 }
1592
1593
1594 Length const Tabular::getMROffset(idx_type cell) const
1595 {
1596         return cellInfo(cell).mroffset;
1597 }
1598
1599
1600 int Tabular::textHOffset(idx_type cell) const
1601 {
1602         // the LaTeX Way :-(
1603         int x = WIDTH_OF_LINE;
1604
1605         int const w = cellWidth(cell) - cellInfo(cell).width;
1606
1607         switch (getAlignment(cell)) {
1608         case LYX_ALIGN_CENTER:
1609                 x += w / 2;
1610                 break;
1611         case LYX_ALIGN_RIGHT:
1612                 x += w;
1613                 break;
1614         case LYX_ALIGN_DECIMAL: {
1615                 // we center when no decimal point
1616                 if (cellInfo(cell).decimal_width == 0) {
1617                         x += w / 2;
1618                         break;
1619                 }
1620                 col_type const c = cellColumn(cell);
1621                 int max_dhoffset = 0;
1622                 for(row_type r = 0; r < row_info.size() ; ++r) {
1623                         idx_type const i = cellIndex(r, c);
1624                         if (getAlignment(i) == LYX_ALIGN_DECIMAL
1625                                 && cellInfo(i).decimal_width != 0)
1626                                 max_dhoffset = max(max_dhoffset, cellInfo(i).decimal_hoffset);
1627                 }
1628                 x += max_dhoffset - cellInfo(cell).decimal_hoffset;
1629         }
1630         default:
1631                 // LYX_ALIGN_LEFT: nothing :-)
1632                 break;
1633         }
1634
1635         return x;
1636 }
1637
1638
1639 int Tabular::textVOffset(idx_type cell) const
1640 {
1641         int voffset = cellInfo(cell).voffset;
1642         if (isMultiRow(cell)) {
1643                 row_type const row = cellRow(cell);
1644                 voffset += (cellHeight(cell) - rowAscent(row) - rowDescent(row))/2;
1645         }
1646         return voffset;
1647 }
1648
1649
1650 Tabular::idx_type Tabular::getFirstCellInRow(row_type row, bool const ct) const
1651 {
1652         col_type c = 0;
1653         idx_type const numcells = numberOfCellsInRow(row);
1654         // we check against numcells to make sure we do not crash if all the
1655         // cells are multirow (bug #7535), but in that case our return value
1656         // is really invalid, i.e., it is NOT the first cell in the row. but
1657         // i do not know what to do here. (rgh)
1658         while (c < numcells - 1
1659                && (cell_info[row][c].multirow == CELL_PART_OF_MULTIROW
1660                    || (ct && column_info[c].change.deleted())))
1661                 ++c;
1662         return cell_info[row][c].cellno;
1663 }
1664
1665
1666 Tabular::idx_type Tabular::getLastCellInRow(row_type row, bool const ct) const
1667 {
1668         col_type c = ncols() - 1;
1669         // of course we check against 0 so we don't crash. but we have the same
1670         // problem as in the previous routine: if all the cells are part of a
1671         // multirow or part of a multi column, then our return value is invalid.
1672         while (c > 0
1673                && ((cell_info[row][c].multirow == CELL_PART_OF_MULTIROW
1674                    || cell_info[row][c].multicolumn == CELL_PART_OF_MULTICOLUMN)
1675                   || (ct && column_info[c].change.deleted())))
1676                 --c;
1677         return cell_info[row][c].cellno;
1678 }
1679
1680
1681 Tabular::row_type Tabular::getFirstRow(bool const ct) const
1682 {
1683         row_type r = 0;
1684         if (!ct)
1685                 return r;
1686         // exclude deleted rows if ct == true
1687         while (r < nrows() && row_info[r].change.deleted())
1688                 ++r;
1689         return r;
1690 }
1691
1692
1693 Tabular::row_type Tabular::getLastRow(bool const ct) const
1694 {
1695         row_type r = nrows() - 1;
1696         if (!ct)
1697                 return r;
1698         // exclude deleted rows if ct == true
1699         while (r > 0 && row_info[r].change.deleted())
1700                 --r;
1701         return r;
1702 }
1703
1704
1705 Tabular::row_type Tabular::cellRow(idx_type cell) const
1706 {
1707         if (cell >= numberofcells)
1708                 return nrows() - 1;
1709         if (cell == npos)
1710                 return 0;
1711         return rowofcell[cell];
1712 }
1713
1714
1715 Tabular::col_type Tabular::cellColumn(idx_type cell) const
1716 {
1717         if (cell >= numberofcells)
1718                 return ncols() - 1;
1719         if (cell == npos)
1720                 return 0;
1721         return columnofcell[cell];
1722 }
1723
1724
1725 void Tabular::write(ostream & os) const
1726 {
1727         // header line
1728         os << "<lyxtabular"
1729            << write_attribute("version", 3)
1730            << write_attribute("rows", nrows())
1731            << write_attribute("columns", ncols())
1732            << ">\n";
1733         // global longtable options
1734         os << "<features"
1735            << write_attribute("rotate", rotate)
1736            << write_attribute("booktabs", use_booktabs)
1737            << write_attribute("islongtable", is_long_tabular)
1738            << write_attribute("firstHeadTopDL", endfirsthead.topDL)
1739            << write_attribute("firstHeadBottomDL", endfirsthead.bottomDL)
1740            << write_attribute("firstHeadEmpty", endfirsthead.empty)
1741            << write_attribute("headTopDL", endhead.topDL)
1742            << write_attribute("headBottomDL", endhead.bottomDL)
1743            << write_attribute("footTopDL", endfoot.topDL)
1744            << write_attribute("footBottomDL", endfoot.bottomDL)
1745            << write_attribute("lastFootTopDL", endlastfoot.topDL)
1746            << write_attribute("lastFootBottomDL", endlastfoot.bottomDL)
1747            << write_attribute("lastFootEmpty", endlastfoot.empty);
1748         // longtables cannot be aligned vertically
1749         if (!is_long_tabular)
1750                 os << write_attribute("tabularvalignment", tabular_valignment);
1751         os << write_attribute("tabularwidth", tabular_width);
1752         if (is_long_tabular)
1753                 os << write_attribute("longtabularalignment", longtabular_alignment);
1754         os << ">\n";
1755         for (col_type c = 0; c < ncols(); ++c) {
1756                 os << "<column"
1757                    << write_attribute("alignment", column_info[c].alignment);
1758                 if (column_info[c].alignment == LYX_ALIGN_DECIMAL)
1759                         os << write_attribute("decimal_point", column_info[c].decimal_point);
1760                 os << write_attribute("change", column_info[c].change, buffer().params())
1761                    << write_attribute("valignment", column_info[c].valignment)
1762                    << write_attribute("width", column_info[c].p_width.asString())
1763                    << write_attribute("varwidth", column_info[c].varwidth)
1764                    << write_attribute("special", column_info[c].align_special)
1765                    << ">\n";
1766         }
1767         for (row_type r = 0; r < nrows(); ++r) {
1768                 static const string def("default");
1769                 os << "<row";
1770                 if (row_info[r].top_space_default)
1771                         os << write_attribute("topspace", def);
1772                 else
1773                         os << write_attribute("topspace", row_info[r].top_space);
1774                 if (row_info[r].bottom_space_default)
1775                         os << write_attribute("bottomspace", def);
1776                 else
1777                         os << write_attribute("bottomspace", row_info[r].bottom_space);
1778                 if (row_info[r].interline_space_default)
1779                         os << write_attribute("interlinespace", def);
1780                 else
1781                         os << write_attribute("interlinespace", row_info[r].interline_space);
1782                 os << write_attribute("change", row_info[r].change, buffer().params())
1783                    << write_attribute("endhead", row_info[r].endhead)
1784                    << write_attribute("endfirsthead", row_info[r].endfirsthead)
1785                    << write_attribute("endfoot", row_info[r].endfoot)
1786                    << write_attribute("endlastfoot", row_info[r].endlastfoot)
1787                    << write_attribute("newpage", row_info[r].newpage)
1788                    << write_attribute("caption", row_info[r].caption)
1789                    << ">\n";
1790                 for (col_type c = 0; c < ncols(); ++c) {
1791                         os << "<cell"
1792                            << write_attribute("multicolumn", cell_info[r][c].multicolumn)
1793                            << write_attribute("multirow", cell_info[r][c].multirow)
1794                            << write_attribute("mroffset", cell_info[r][c].mroffset)
1795                            << write_attribute("alignment", cell_info[r][c].alignment)
1796                            << write_attribute("valignment", cell_info[r][c].valignment)
1797                            << write_attribute("topline", cell_info[r][c].top_line)
1798                            << write_attribute("toplineltrim", cell_info[r][c].top_line_ltrimmed)
1799                            << write_attribute("toplinertrim", cell_info[r][c].top_line_rtrimmed)
1800                            << write_attribute("bottomline", cell_info[r][c].bottom_line)
1801                            << write_attribute("bottomlineltrim", cell_info[r][c].bottom_line_ltrimmed)
1802                            << write_attribute("bottomlinertrim", cell_info[r][c].bottom_line_rtrimmed)
1803                            << write_attribute("leftline", cell_info[r][c].left_line)
1804                            << write_attribute("rightline", cell_info[r][c].right_line)
1805                            << write_attribute("rotate", cell_info[r][c].rotate)
1806                            << write_attribute("usebox", cell_info[r][c].usebox)
1807                            << write_attribute("width", cell_info[r][c].p_width)
1808                            << write_attribute("special", cell_info[r][c].align_special)
1809                            << ">\n";
1810                         os << "\\begin_inset ";
1811                         cell_info[r][c].inset->write(os);
1812                         os << "\n\\end_inset\n"
1813                            << "</cell>\n";
1814                         // FIXME This can be removed again once the mystery
1815                         // crash has been resolved.
1816                         os << flush;
1817                 }
1818                 os << "</row>\n";
1819         }
1820         os << "</lyxtabular>\n";
1821 }
1822
1823
1824 void Tabular::read(Lexer & lex)
1825 {
1826         string line;
1827         istream & is = lex.getStream();
1828
1829         l_getline(is, line);
1830         if (!prefixIs(line, "<lyxtabular ") && !prefixIs(line, "<Tabular ")) {
1831                 LASSERT(false, return);
1832         }
1833
1834         int version;
1835         if (!getTokenValue(line, "version", version))
1836                 return;
1837         LATTEST(version >= 2);
1838
1839         int rows_arg;
1840         if (!getTokenValue(line, "rows", rows_arg))
1841                 return;
1842         int columns_arg;
1843         if (!getTokenValue(line, "columns", columns_arg))
1844                 return;
1845         init(buffer_, rows_arg, columns_arg);
1846         l_getline(is, line);
1847         if (!prefixIs(line, "<features")) {
1848                 lyxerr << "Wrong tabular format (expected <features ...> got"
1849                        << line << ')' << endl;
1850                 return;
1851         }
1852         getTokenValue(line, "rotate", rotate);
1853         getTokenValue(line, "booktabs", use_booktabs);
1854         getTokenValue(line, "islongtable", is_long_tabular);
1855         getTokenValue(line, "tabularvalignment", tabular_valignment);
1856         getTokenValue(line, "tabularwidth", tabular_width);
1857         getTokenValue(line, "longtabularalignment", longtabular_alignment);
1858         getTokenValue(line, "firstHeadTopDL", endfirsthead.topDL);
1859         getTokenValue(line, "firstHeadBottomDL", endfirsthead.bottomDL);
1860         getTokenValue(line, "firstHeadEmpty", endfirsthead.empty);
1861         getTokenValue(line, "headTopDL", endhead.topDL);
1862         getTokenValue(line, "headBottomDL", endhead.bottomDL);
1863         getTokenValue(line, "footTopDL", endfoot.topDL);
1864         getTokenValue(line, "footBottomDL", endfoot.bottomDL);
1865         getTokenValue(line, "lastFootTopDL", endlastfoot.topDL);
1866         getTokenValue(line, "lastFootBottomDL", endlastfoot.bottomDL);
1867         getTokenValue(line, "lastFootEmpty", endlastfoot.empty);
1868
1869         for (col_type c = 0; c < ncols(); ++c) {
1870                 l_getline(is,line);
1871                 if (!prefixIs(line,"<column")) {
1872                         lyxerr << "Wrong tabular format (expected <column ...> got"
1873                                << line << ')' << endl;
1874                         return;
1875                 }
1876                 getTokenValue(line, "alignment", column_info[c].alignment);
1877                 getTokenValue(line, "decimal_point", column_info[c].decimal_point);
1878                 getTokenValue(line, "valignment", column_info[c].valignment);
1879                 getTokenValue(line, "width", column_info[c].p_width);
1880                 getTokenValue(line, "special", column_info[c].align_special);
1881                 getTokenValue(line, "varwidth", column_info[c].varwidth);
1882                 getTokenValue(line, "change", column_info[c].change, buffer().params());
1883         }
1884
1885         for (row_type i = 0; i < nrows(); ++i) {
1886                 l_getline(is, line);
1887                 if (!prefixIs(line, "<row")) {
1888                         lyxerr << "Wrong tabular format (expected <row ...> got"
1889                                << line << ')' << endl;
1890                         return;
1891                 }
1892                 getTokenValue(line, "topspace", row_info[i].top_space,
1893                               row_info[i].top_space_default);
1894                 getTokenValue(line, "bottomspace", row_info[i].bottom_space,
1895                               row_info[i].bottom_space_default);
1896                 getTokenValue(line, "interlinespace", row_info[i].interline_space,
1897                               row_info[i].interline_space_default);
1898                 getTokenValue(line, "endfirsthead", row_info[i].endfirsthead);
1899                 getTokenValue(line, "endhead", row_info[i].endhead);
1900                 getTokenValue(line, "endfoot", row_info[i].endfoot);
1901                 getTokenValue(line, "endlastfoot", row_info[i].endlastfoot);
1902                 getTokenValue(line, "newpage", row_info[i].newpage);
1903                 getTokenValue(line, "caption", row_info[i].caption);
1904                 getTokenValue(line, "change", row_info[i].change, buffer().params());
1905                 for (col_type j = 0; j < ncols(); ++j) {
1906                         l_getline(is, line);
1907                         if (!prefixIs(line, "<cell")) {
1908                                 lyxerr << "Wrong tabular format (expected <cell ...> got"
1909                                        << line << ')' << endl;
1910                                 return;
1911                         }
1912                         getTokenValue(line, "multicolumn", cell_info[i][j].multicolumn);
1913                         getTokenValue(line, "multirow", cell_info[i][j].multirow);
1914                         getTokenValue(line, "mroffset", cell_info[i][j].mroffset);
1915                         getTokenValue(line, "alignment", cell_info[i][j].alignment);
1916                         getTokenValue(line, "valignment", cell_info[i][j].valignment);
1917                         getTokenValue(line, "topline", cell_info[i][j].top_line);
1918                         getTokenValue(line, "toplineltrim", cell_info[i][j].top_line_ltrimmed);
1919                         getTokenValue(line, "toplinertrim", cell_info[i][j].top_line_rtrimmed);
1920                         getTokenValue(line, "bottomline", cell_info[i][j].bottom_line);
1921                         getTokenValue(line, "bottomlineltrim", cell_info[i][j].bottom_line_ltrimmed);
1922                         getTokenValue(line, "bottomlinertrim", cell_info[i][j].bottom_line_rtrimmed);
1923                         getTokenValue(line, "leftline", cell_info[i][j].left_line);
1924                         getTokenValue(line, "rightline", cell_info[i][j].right_line);
1925                         getTokenValue(line, "rotate", cell_info[i][j].rotate);
1926                         getTokenValue(line, "usebox", cell_info[i][j].usebox);
1927                         getTokenValue(line, "width", cell_info[i][j].p_width);
1928                         setFixedWidth(i,j);
1929                         getTokenValue(line, "special", cell_info[i][j].align_special);
1930                         l_getline(is, line);
1931                         if (prefixIs(line, "\\begin_inset")) {
1932                                 cell_info[i][j].inset->setBuffer(*buffer_);
1933                                 cell_info[i][j].inset->read(lex);
1934                                 l_getline(is, line);
1935                         }
1936                         if (!prefixIs(line, "</cell>")) {
1937                                 lyxerr << "Wrong tabular format (expected </cell> got"
1938                                        << line << ')' << endl;
1939                                 return;
1940                         }
1941                 }
1942                 l_getline(is, line);
1943                 if (!prefixIs(line, "</row>")) {
1944                         lyxerr << "Wrong tabular format (expected </row> got"
1945                                << line << ')' << endl;
1946                         return;
1947                 }
1948         }
1949         while (!prefixIs(line, "</lyxtabular>")) {
1950                 l_getline(is, line);
1951         }
1952         updateIndexes();
1953 }
1954
1955
1956 bool Tabular::isMultiColumn(idx_type cell) const
1957 {
1958         return (cellInfo(cell).multicolumn == CELL_BEGIN_OF_MULTICOLUMN
1959                 || cellInfo(cell).multicolumn == CELL_PART_OF_MULTICOLUMN);
1960 }
1961
1962
1963 bool Tabular::hasMultiColumn(col_type c) const
1964 {
1965         for (row_type r = 0; r < nrows(); ++r) {
1966                 if (isMultiColumn(cellIndex(r, c)))
1967                         return true;
1968         }
1969         return false;
1970 }
1971
1972
1973 bool Tabular::hasVarwidthColumn() const
1974 {
1975         for (col_type c = 0; c < ncols(); ++c) {
1976                 if (column_info[c].varwidth)
1977                         return true;
1978         }
1979         return false;
1980 }
1981
1982
1983 bool Tabular::isVTypeColumn(col_type c) const
1984 {
1985         for (row_type r = 0; r < nrows(); ++r) {
1986                 idx_type idx = cellIndex(r, c);
1987                 if (getRotateCell(idx) == 0 && useBox(idx) == BOX_VARWIDTH)
1988                         return true;
1989         }
1990         return false;
1991 }
1992
1993
1994 Tabular::CellData const & Tabular::cellInfo(idx_type cell) const
1995 {
1996         return cell_info[cellRow(cell)][cellColumn(cell)];
1997 }
1998
1999
2000 Tabular::CellData & Tabular::cellInfo(idx_type cell)
2001 {
2002         return cell_info[cellRow(cell)][cellColumn(cell)];
2003 }
2004
2005
2006 Tabular::idx_type Tabular::setMultiColumn(Cursor & cur, idx_type cell, idx_type number,
2007                                           bool const right_border)
2008 {
2009         idx_type const col = cellColumn(cell);
2010         idx_type const row = cellRow(cell);
2011         for (idx_type i = 0; i < number; ++i)
2012                 unsetMultiRow(cellIndex(row, col + i));
2013
2014         // unsetting of multirow may have invalidated cell index
2015         cell = cellIndex(row, col);
2016         CellData & cs = cellInfo(cell);
2017         cs.multicolumn = CELL_BEGIN_OF_MULTICOLUMN;
2018         if (column_info[col].alignment != LYX_ALIGN_DECIMAL)
2019                 cs.alignment = column_info[col].alignment;
2020         setRightLine(cell, right_border);
2021         // non-fixed width multicolumns cannot have multiple paragraphs
2022         if (getPWidth(cell).zero()) {
2023                 toggleFixedWidth(cur, cellInset(cell).get(),
2024                                  !getPWidth(cell).zero(), isMultiColumn(cell),
2025                                  isMultiRow(cell));
2026                 // cur can become invalid after paragraphs were merged
2027                 cur.fixIfBroken();
2028         }
2029
2030         idx_type lastcell = cellIndex(row, col + number - 1);
2031         for (idx_type i = 1; i < lastcell - cell + 1; ++i) {
2032                 CellData & cs1 = cellInfo(cell + i);
2033                 cs1.multicolumn = CELL_PART_OF_MULTICOLUMN;
2034                 cs.inset->appendParagraphs(cs1.inset->paragraphs());
2035                 cs1.inset->clear();
2036         }
2037         updateIndexes();
2038         return cell;
2039 }
2040
2041
2042 bool Tabular::isMultiRow(idx_type cell) const
2043 {
2044         return (cellInfo(cell).multirow == CELL_BEGIN_OF_MULTIROW
2045                 || cellInfo(cell).multirow == CELL_PART_OF_MULTIROW);
2046 }
2047
2048 bool Tabular::hasMultiRow(row_type r) const
2049 {
2050         for (col_type c = 0; c < ncols(); ++c) {
2051                 if (isMultiRow(cellIndex(r, c)))
2052                         return true;
2053         }
2054         return false;
2055 }
2056
2057 Tabular::idx_type Tabular::setMultiRow(Cursor & cur, idx_type cell, idx_type number,
2058                                        bool const bottom_border,
2059                                        LyXAlignment const halign)
2060 {
2061         idx_type const col = cellColumn(cell);
2062         idx_type const row = cellRow(cell);
2063         for (idx_type i = 0; i < number; ++i)
2064                 unsetMultiColumn(cellIndex(row + i, col));
2065
2066         // unsetting of multirow may have invalidated cell index
2067         cell = cellIndex(row, col);
2068         CellData & cs = cellInfo(cell);
2069         cs.multirow = CELL_BEGIN_OF_MULTIROW;
2070         cs.valignment = LYX_VALIGN_MIDDLE;
2071         // the horizontal alignment of multirow cells can only
2072         // be changed for the whole table row,
2073         // support changing this only for the multirow cell can be done via
2074         // \multirowsetup
2075         if (getPWidth(cell).zero())
2076                 cs.alignment = halign;
2077         else
2078                 cs.alignment = LYX_ALIGN_LEFT;
2079
2080         // Multirows cannot have multiple paragraphs
2081         if (getPWidth(cell).zero()) {
2082                 toggleFixedWidth(cur, cellInset(cell).get(),
2083                                  !getPWidth(cell).zero(),
2084                                  isMultiColumn(cell), isMultiRow(cell));
2085                 // cur can become invalid after paragraphs were merged
2086                 cur.fixIfBroken();
2087         }
2088
2089         // set the bottom line of the last selected cell
2090         setBottomLine(cell, bottom_border);
2091
2092         for (idx_type i = 1; i < number; ++i) {
2093                 CellData & cs1 = cell_info[row + i][col];
2094                 cs1.multirow = CELL_PART_OF_MULTIROW;
2095                 cs.inset->appendParagraphs(cs1.inset->paragraphs());
2096                 cs1.inset->clear();
2097         }
2098         updateIndexes();
2099         return cell;
2100 }
2101
2102
2103 Tabular::idx_type Tabular::columnSpan(idx_type cell) const
2104 {
2105         row_type const row = cellRow(cell);
2106         col_type const col = cellColumn(cell);
2107         int span = 1;
2108         while (col + span < ncols() && isPartOfMultiColumn(row, col + span))
2109                 ++span;
2110
2111         return span;
2112 }
2113
2114
2115 Tabular::idx_type Tabular::rowSpan(idx_type cell) const
2116 {
2117         col_type const column = cellColumn(cell);
2118         col_type row = cellRow(cell) + 1;
2119         while (row < nrows() && isPartOfMultiRow(row, column))
2120                 ++row;
2121
2122         return row - cellRow(cell);
2123 }
2124
2125
2126 void Tabular::unsetMultiColumn(idx_type cell)
2127 {
2128         if (!isMultiColumn(cell))
2129                 return;
2130
2131         row_type const row = cellRow(cell);
2132         col_type const col = cellColumn(cell);
2133         row_type const span = columnSpan(cell);
2134         for (col_type c = 0; c < span; ++c) {
2135                 // in the table dialog the lines are set in every case
2136                 // when unsetting a multicolumn this leads to an additional right
2137                 // line for every cell that was part of the former multicolumn cell,
2138                 // except if the cell is in the last column
2139                 // therefore remove this line
2140                 if (cell_info[row][col + c].multicolumn == CELL_BEGIN_OF_MULTICOLUMN
2141                         && (col + c) < (col + span - 1))
2142                         cell_info[row][col + c].right_line = false;
2143                 cell_info[row][col + c].multicolumn = CELL_NORMAL;
2144         }
2145         updateIndexes();
2146 }
2147
2148
2149 void Tabular::unsetMultiRow(idx_type cell)
2150 {
2151         if (!isMultiRow(cell))
2152                 return;
2153
2154         cellInfo(cell).valignment = LYX_VALIGN_TOP;
2155         cellInfo(cell).alignment = LYX_ALIGN_CENTER;
2156         row_type const row = cellRow(cell);
2157         col_type const col = cellColumn(cell);
2158         row_type const span = rowSpan(cell);
2159         for (row_type r = 0; r < span; ++r)
2160                 cell_info[row + r][col].multirow = CELL_NORMAL;
2161         updateIndexes();
2162 }
2163
2164
2165 void Tabular::setRotateCell(idx_type cell, int value)
2166 {
2167         cellInfo(cell).rotate = value;
2168 }
2169
2170
2171 int Tabular::getRotateCell(idx_type cell) const
2172 {
2173         return cellInfo(cell).rotate;
2174 }
2175
2176
2177 bool Tabular::needRotating() const
2178 {
2179         if (rotate && !is_long_tabular)
2180                 return true;
2181         for (row_type r = 0; r < nrows(); ++r)
2182                 for (col_type c = 0; c < ncols(); ++c)
2183                         if (cell_info[r][c].rotate != 0)
2184                                 return true;
2185         return false;
2186 }
2187
2188
2189 bool Tabular::isLastCell(idx_type cell) const
2190 {
2191         if (cell + 1 < numberofcells)
2192                 return false;
2193         return true;
2194 }
2195
2196
2197 Tabular::idx_type Tabular::cellAbove(idx_type cell) const
2198 {
2199         if (cellRow(cell) == 0)
2200                 return cell;
2201
2202         col_type const col = cellColumn(cell);
2203         row_type r = cellRow(cell) - 1;
2204         while (r > 0 && cell_info[r][col].multirow == CELL_PART_OF_MULTIROW)
2205                 --r;
2206
2207         return cell_info[r][col].cellno;
2208 }
2209
2210
2211 Tabular::idx_type Tabular::cellBelow(idx_type cell) const
2212 {
2213         row_type const nextrow = cellRow(cell) + rowSpan(cell);
2214         if (nextrow < nrows())
2215                 return cell_info[nextrow][cellColumn(cell)].cellno;
2216         return cell;
2217 }
2218
2219
2220 Tabular::idx_type Tabular::cellIndex(row_type row, col_type column) const
2221 {
2222         LASSERT(column != npos && column < ncols(), column = 0);
2223         LASSERT(row != npos && row < nrows(), row = 0);
2224         return cell_info[row][column].cellno;
2225 }
2226
2227
2228 void Tabular::setUsebox(idx_type cell, BoxType type)
2229 {
2230         cellInfo(cell).usebox = type;
2231 }
2232
2233
2234 Tabular::BoxType Tabular::getUsebox(idx_type cell) const
2235 {
2236         if (getRotateCell(cell) == 0
2237             && ((!column_info[cellColumn(cell)].p_width.zero() && !isMultiColumn(cell)) ||
2238                 (isMultiColumn(cell) && !cellInfo(cell).p_width.zero())))
2239                 return BOX_NONE;
2240         if (cellInfo(cell).usebox > 1)
2241                 return cellInfo(cell).usebox;
2242         return useBox(cell);
2243 }
2244
2245
2246 ///
2247 //  This are functions used for the longtable support
2248 ///
2249 void Tabular::setLTHead(row_type row, bool flag, ltType const & hd,
2250                            bool first)
2251 {
2252         if (first) {
2253                 endfirsthead = hd;
2254                 if (hd.set)
2255                         row_info[row].endfirsthead = flag;
2256         } else {
2257                 endhead = hd;
2258                 if (hd.set)
2259                         row_info[row].endhead = flag;
2260         }
2261 }
2262
2263
2264 bool Tabular::getRowOfLTHead(row_type row, ltType & hd) const
2265 {
2266         hd = endhead;
2267         hd.set = haveLTHead();
2268         return row_info[row].endhead;
2269 }
2270
2271
2272 bool Tabular::getRowOfLTFirstHead(row_type row, ltType & hd) const
2273 {
2274         hd = endfirsthead;
2275         hd.set = haveLTFirstHead();
2276         return row_info[row].endfirsthead;
2277 }
2278
2279
2280 void Tabular::setLTFoot(row_type row, bool flag, ltType const & fd,
2281                            bool last)
2282 {
2283         if (last) {
2284                 endlastfoot = fd;
2285                 if (fd.set)
2286                         row_info[row].endlastfoot = flag;
2287         } else {
2288                 endfoot = fd;
2289                 if (fd.set)
2290                         row_info[row].endfoot = flag;
2291         }
2292 }
2293
2294
2295 bool Tabular::getRowOfLTFoot(row_type row, ltType & fd) const
2296 {
2297         fd = endfoot;
2298         fd.set = haveLTFoot();
2299         return row_info[row].endfoot;
2300 }
2301
2302
2303 bool Tabular::getRowOfLTLastFoot(row_type row, ltType & fd) const
2304 {
2305         fd = endlastfoot;
2306         fd.set = haveLTLastFoot();
2307         return row_info[row].endlastfoot;
2308 }
2309
2310
2311 void Tabular::setLTNewPage(row_type row, bool what)
2312 {
2313         row_info[row].newpage = what;
2314 }
2315
2316
2317 bool Tabular::getLTNewPage(row_type row) const
2318 {
2319         return row_info[row].newpage;
2320 }
2321
2322
2323 bool Tabular::haveLTHead(bool withcaptions) const
2324 {
2325         if (!is_long_tabular)
2326                 return false;
2327         for (row_type i = 0; i < nrows(); ++i)
2328                 if (row_info[i].endhead &&
2329                     (withcaptions || !row_info[i].caption))
2330                         return true;
2331         return false;
2332 }
2333
2334
2335 bool Tabular::haveLTFirstHead(bool withcaptions) const
2336 {
2337         if (!is_long_tabular || endfirsthead.empty)
2338                 return false;
2339         for (row_type r = 0; r < nrows(); ++r)
2340                 if (row_info[r].endfirsthead &&
2341                     (withcaptions || !row_info[r].caption))
2342                         return true;
2343         return false;
2344 }
2345
2346
2347 bool Tabular::haveLTFoot(bool withcaptions) const
2348 {
2349         if (!is_long_tabular)
2350                 return false;
2351         for (row_type r = 0; r < nrows(); ++r)
2352                 if (row_info[r].endfoot &&
2353                     (withcaptions || !row_info[r].caption))
2354                         return true;
2355         return false;
2356 }
2357
2358
2359 bool Tabular::haveLTLastFoot(bool withcaptions) const
2360 {
2361         if (!is_long_tabular || endlastfoot.empty)
2362                 return false;
2363         for (row_type r = 0; r < nrows(); ++r)
2364                 if (row_info[r].endlastfoot &&
2365                     (withcaptions || !row_info[r].caption))
2366                         return true;
2367         return false;
2368 }
2369
2370
2371 Tabular::idx_type Tabular::setLTCaption(Cursor & cur, row_type row, bool what)
2372 {
2373         idx_type i = getFirstCellInRow(row);
2374         if (what) {
2375                 setMultiColumn(cur, i, numberOfCellsInRow(row), false);
2376                 setTopLine(i, false);
2377                 setBottomLine(i, false);
2378                 setLeftLine(i, false);
2379                 setRightLine(i, false);
2380                 if (!row_info[row].endfirsthead && !row_info[row].endhead &&
2381                     !row_info[row].endfoot && !row_info[row].endlastfoot) {
2382                         setLTHead(row, true, endfirsthead, true);
2383                         row_info[row].endfirsthead = true;
2384                 }
2385         } else {
2386                 unsetMultiColumn(i);
2387                 // When unsetting a caption row, also all existing
2388                 // captions in this row must be dissolved.
2389         }
2390         row_info[row].caption = what;
2391         return i;
2392 }
2393
2394
2395 bool Tabular::ltCaption(row_type row) const
2396 {
2397         return row_info[row].caption;
2398 }
2399
2400
2401 bool Tabular::haveLTCaption(CaptionType captiontype) const
2402 {
2403         if (!is_long_tabular)
2404                 return false;
2405         for (row_type r = 0; r < nrows(); ++r) {
2406                 if (row_info[r].caption) {
2407                         switch (captiontype) {
2408                         case CAPTION_FIRSTHEAD:
2409                                 if (row_info[r].endfirsthead)
2410                                         return true;
2411                                 break;
2412                         case CAPTION_HEAD:
2413                                 if (row_info[r].endhead)
2414                                         return true;
2415                                 break;
2416                         case CAPTION_FOOT:
2417                                 if (row_info[r].endfoot)
2418                                         return true;
2419                                 break;
2420                         case CAPTION_LASTFOOT:
2421                                 if (row_info[r].endlastfoot)
2422                                         return true;
2423                                 break;
2424                         case CAPTION_ANY:
2425                                 return true;
2426                         }
2427                 }
2428         }
2429         return false;
2430 }
2431
2432
2433 // end longtable support functions
2434
2435 void Tabular::setRowAscent(row_type row, int height)
2436 {
2437         if (row >= nrows() || row_info[row].ascent == height)
2438                 return;
2439         row_info[row].ascent = height;
2440 }
2441
2442
2443 void Tabular::setRowDescent(row_type row, int height)
2444 {
2445         if (row >= nrows() || row_info[row].descent == height)
2446                 return;
2447         row_info[row].descent = height;
2448 }
2449
2450
2451 int Tabular::rowAscent(row_type row) const
2452 {
2453         LASSERT(row < nrows(), row = 0);
2454         return row_info[row].ascent;
2455 }
2456
2457
2458 int Tabular::rowDescent(row_type row) const
2459 {
2460         LASSERT(row < nrows(), row = 0);
2461         return row_info[row].descent;
2462 }
2463
2464
2465 int Tabular::height() const
2466 {
2467         int height = 0;
2468         for (row_type row = 0; row < nrows(); ++row)
2469                 height += rowAscent(row) + rowDescent(row) +
2470                         interRowSpace(row);
2471         return height;
2472 }
2473
2474
2475 bool Tabular::isPartOfMultiColumn(row_type row, col_type column) const
2476 {
2477         LASSERT(row < nrows(), return false);
2478         LASSERT(column < ncols(), return false);
2479         return cell_info[row][column].multicolumn == CELL_PART_OF_MULTICOLUMN;
2480 }
2481
2482
2483 bool Tabular::isPartOfMultiRow(row_type row, col_type column) const
2484 {
2485         LASSERT(row < nrows(), return false);
2486         LASSERT(column < ncols(), return false);
2487         return cell_info[row][column].multirow == CELL_PART_OF_MULTIROW;
2488 }
2489
2490
2491 void Tabular::TeXTopHLine(otexstream & os, row_type row, list<col_type> columns) const
2492 {
2493         // we only output complete row lines and the 1st row here, the rest
2494         // is done in Tabular::TeXBottomHLine(...)
2495
2496         // get for each column the topline (if any)
2497         map<col_type, bool> topline, topltrims, toprtrims;
2498         col_type nset = 0;
2499         bool have_trims = false;
2500         for (auto const & c : columns) {
2501                 topline[c] = topLine(cellIndex(row, c));
2502                 topltrims[c] = topLineTrim(cellIndex(row, c)).first;
2503                 toprtrims[c] = topLineTrim(cellIndex(row, c)).second;
2504                 // If cell is part of a multirow and not the first cell of the
2505                 // multirow, no line must be drawn.
2506                 if (row != 0)
2507                         if (isMultiRow(cellIndex(row, c))
2508                             && cell_info[row][c].multirow != CELL_BEGIN_OF_MULTIROW) {
2509                                 topline[c] = false;
2510                                 topltrims[c] = false;
2511                                 toprtrims[c] = false;
2512                         }
2513                 // copy trimming to multicolumn parts
2514                 if (isPartOfMultiColumn(row, c)) {
2515                         topltrims[c] = topltrims[c-1];
2516                         toprtrims[c] = toprtrims[c-1];
2517                 }
2518                 if (topline.find(c) != topline.end() && topline.find(c)->second)
2519                         ++nset;
2520                 if ((topltrims.find(c) != topltrims.end() && topltrims.find(c)->second)
2521                      || (toprtrims.find(c) != toprtrims.end() && toprtrims.find(c)->second))
2522                         have_trims = true;
2523         }
2524
2525         // do nothing if empty first row, or incomplete row line after
2526         row_type first = getFirstRow(!buffer().params().output_changes);
2527         if ((row == first && nset == 0) || (row > first && nset != columns.size()))
2528                 return;
2529
2530         // Is this the actual first row (excluding longtable caption row)?
2531         bool const realfirstrow = (row == first
2532                                    || (is_long_tabular && row == first + 1 && ltCaption(first)));
2533
2534         // only output complete row lines and the 1st row's clines
2535         if (nset == columns.size() && !have_trims) {
2536                 if (use_booktabs) {
2537                         os << (realfirstrow ? "\\toprule " : "\\midrule ");
2538                 } else {
2539                         os << "\\hline ";
2540                 }
2541         } else if (realfirstrow || have_trims) {
2542                 string const cline = use_booktabs ? "\\cmidrule" : "\\cline";
2543                 col_type c = 0;
2544                 for (auto & cl : columns) {
2545                         if (cl < c)
2546                                 continue;
2547                         c = cl;
2548                         if (topline.find(c)->second) {
2549                                 col_type offset = 0;
2550                                 for (col_type j = 0 ; j < c; ++j)
2551                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2552                                                 ++offset;
2553                                 string const firstcol = convert<string>(c + 1 + offset);
2554                                 while (isPartOfMultiColumn(row, c))
2555                                         ++c;
2556                                 string trim;
2557                                 if (topltrims.find(c) != topltrims.end()
2558                                      && topltrims.find(c)->second)
2559                                         trim = "l";
2560                                 col_type cstart = c;
2561                                 for ( ; c < ncols() - 1 && topline.find(c + 1)->second ; ++c) {
2562                                         if (isMultiColumn(cellIndex(row, c))
2563                                             && c < ncols() - 1 && isPartOfMultiColumn(row, c + 1))
2564                                                 continue;
2565                                         if (c > cstart && topltrims.find(c) != topltrims.end()
2566                                                         && topltrims.find(c)->second) {
2567                                                 if (!isPartOfMultiColumn(row, c))
2568                                                         --c;
2569                                                 break;
2570                                         } else if (toprtrims.find(c) != toprtrims.end()
2571                                                    && toprtrims.find(c)->second)
2572                                                 break;
2573                                 }
2574
2575                                 for (col_type j = cstart ; j < c ; ++j)
2576                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2577                                                 ++offset;
2578                                 col_type const lastcol = c + 1 + offset;
2579                                 if (toprtrims.find(c) != toprtrims.end()
2580                                     && toprtrims.find(c)->second)
2581                                         trim += "r";
2582
2583                                 os << cline;
2584                                 if (!trim.empty())
2585                                         os << "(" << trim << ")";
2586                                 os << "{" << firstcol << '-' << lastcol << "}";
2587                                 if (c == columns.size() - 1)
2588                                         break;
2589                                 ++c;
2590                         }
2591                 }
2592         }
2593         os << "\n";
2594 }
2595
2596
2597 void Tabular::TeXBottomHLine(otexstream & os, row_type row, list<col_type> columns) const
2598 {
2599         // we output bottomlines of row r and the toplines of row r+1
2600         // if the latter do not span the whole tabular
2601
2602         // get the bottomlines of row r, and toplines in next row
2603         bool lastrow = row == getLastRow(!buffer().params().output_changes);
2604         map<col_type, bool> bottomline, topline, topltrims, toprtrims, bottomltrims, bottomrtrims;
2605         bool nextrowset = true;
2606         for (auto const & c : columns) {
2607                 idx_type const idx = cellIndex(row, c);
2608                 bottomline[c] = bottomLine(cellIndex(row, c));
2609                 bottomltrims[c] = bottomLineTrim(idx).first;
2610                 bottomrtrims[c] = bottomLineTrim(idx).second;
2611                 topline[c] =  !lastrow && topLine(cellIndex(row + 1, c));
2612                 topltrims[c] = !lastrow && topLineTrim(cellIndex(row + 1, c)).first;
2613                 toprtrims[c] = !lastrow && topLineTrim(cellIndex(row + 1, c)).second;
2614                 // If cell is part of a multirow and not the last cell of the
2615                 // multirow, no line must be drawn.
2616                 if (!lastrow)
2617                         if (isMultiRow(cellIndex(row, c))
2618                             && isMultiRow(cellIndex(row + 1, c))
2619                             && cell_info[row + 1][c].multirow != CELL_BEGIN_OF_MULTIROW) {
2620                                 bottomline[c] = false;
2621                                 topline[c] = false;
2622                                 bottomltrims[c] = false;
2623                                 bottomrtrims[c] = false;
2624                                 topltrims[c] = false;
2625                                 toprtrims[c] = false;
2626                         }
2627                 // copy trimming in multicolumn parts
2628                 if (isPartOfMultiColumn(row, c)) {
2629                         topltrims[c] = topltrims[c-1];
2630                         toprtrims[c] = toprtrims[c-1];
2631                         bottomltrims[c] = bottomltrims[c-1];
2632                         bottomrtrims[c] = bottomrtrims[c-1];
2633                 }
2634
2635                 nextrowset &= topline.find(c) != topline.end() && topline.find(c)->second;
2636         }
2637
2638         // combine this row's bottom lines and next row's toplines if necessary
2639         col_type nset = 0;
2640         bool have_trims = false;
2641         for (auto const & c : columns) {
2642                 if (!nextrowset)
2643                         bottomline[c] = bottomline.find(c)->second || topline.find(c)->second;
2644                 bottomltrims[c] = (bottomltrims.find(c) != bottomltrims.end() && bottomltrims.find(c)->second)
2645                                 || (topltrims.find(c) != topltrims.end() && topltrims.find(c)->second);
2646                 bottomrtrims[c] =(bottomrtrims.find(c) != bottomrtrims.end() && bottomrtrims.find(c)->second)
2647                                 || (toprtrims.find(c) != toprtrims.end() && toprtrims.find(c)->second);
2648                 if (bottomline.find(c)->second)
2649                         ++nset;
2650                 if ((bottomltrims.find(c) != bottomltrims.end() && bottomltrims.find(c)->second)
2651                      || (bottomrtrims.find(c) != bottomrtrims.end() && bottomrtrims.find(c)->second))
2652                         have_trims = true;
2653         }
2654
2655         // do nothing if empty, OR incomplete row line with a topline in next row
2656         if (nset == 0 || (nextrowset && nset != columns.size()))
2657                 return;
2658
2659         if (nset == columns.size() && !have_trims) {
2660                 if (use_booktabs)
2661                         os << (lastrow ? "\\bottomrule" : "\\midrule");
2662                 else
2663                         os << "\\hline ";
2664         } else {
2665                 string const cline = use_booktabs ? "\\cmidrule" : "\\cline";
2666                 col_type c = 0;
2667                 for (auto & cl : columns) {
2668                         if (cl < c)
2669                                 continue;
2670                         c = cl;
2671                         if (bottomline.find(c)->second) {
2672                                 col_type offset = 0;
2673                                 for (col_type j = 0 ; j < c; ++j)
2674                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2675                                                 ++offset;
2676                                 string const firstcol = convert<string>(c + 1 + offset);
2677                                 while (isPartOfMultiColumn(row, c))
2678                                         ++c;
2679                                 string trim;
2680                                 if (bottomltrims.find(c) != bottomltrims.end()
2681                                      && bottomltrims.find(c)->second)
2682                                         trim = "l";
2683                                 col_type cstart = c;
2684                                 for ( ; c < ncols() - 1 && bottomline.find(c + 1)->second ; ++c) {
2685                                         if (isMultiColumn(cellIndex(row, c))
2686                                             && c < ncols() - 1
2687                                             && isPartOfMultiColumn(row, c + 1))
2688                                                 continue;
2689                                         if (c > cstart
2690                                             && bottomltrims.find(c) != bottomltrims.end()
2691                                             && bottomltrims.find(c)->second) {
2692                                                 if (!isPartOfMultiColumn(row, c))
2693                                                         --c;
2694                                                 break;
2695                                         } else if (bottomrtrims.find(c) != bottomrtrims.end()
2696                                                    && bottomrtrims.find(c)->second)
2697                                                 break;
2698                                 }
2699
2700                                 for (col_type j = cstart ; j < c ; ++j)
2701                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2702                                                 ++offset;
2703                                 col_type const lastcol = c + 1 + offset;
2704                                 if (bottomrtrims.find(c) != bottomrtrims.end()
2705                                     && bottomrtrims.find(c)->second)
2706                                         trim += "r";
2707
2708                                 os << cline;
2709                                 if (!trim.empty())
2710                                         os << "(" << trim << ")";
2711                                 os << "{" << firstcol << '-' << lastcol << "}";
2712                                 if (c == columns.size() - 1)
2713                                         break;
2714                                 ++c;
2715                         }
2716                 }
2717         }
2718         os << "\n";
2719 }
2720
2721
2722 void Tabular::TeXCellPreamble(otexstream & os, idx_type cell,
2723                               bool & ismulticol, bool & ismultirow,
2724                               bool const bidi) const
2725 {
2726         row_type const r = cellRow(cell);
2727         if (is_long_tabular && row_info[r].caption)
2728                 return;
2729
2730         Tabular::VAlignment valign =  getVAlignment(cell, !isMultiColumn(cell));
2731         LyXAlignment align = getAlignment(cell, !isMultiColumn(cell));
2732         // figure out how to set the lines
2733         // we always set double lines to the right of the cell
2734         // or left in bidi RTL, respectively.
2735         col_type const c = cellColumn(cell);
2736         col_type const nextcol = c + columnSpan(cell);
2737         bool const decimal = column_info[c].alignment == LYX_ALIGN_DECIMAL;
2738         bool colright = columnRightLine(c);
2739         bool colleft = columnLeftLine(c);
2740         bool nextcolleft = nextcol < ncols() && columnLeftLine(nextcol);
2741         bool nextcellleft = nextcol < ncols()
2742                 && leftLine(cellIndex(r, nextcol));
2743         bool coldouble = colright && nextcolleft;
2744         bool celldouble = rightLine(cell) && nextcellleft;
2745
2746         ismulticol = (isMultiColumn(cell)
2747                       || (c == 0 && colleft != leftLine(cell))
2748                       || ((colright || nextcolleft) && !rightLine(cell) && !nextcellleft)
2749                       || (!colright && !nextcolleft && (rightLine(cell) || nextcellleft))
2750                       || (coldouble != celldouble))
2751                      && !decimal;
2752
2753         // we center in multicol when no decimal point
2754         if (decimal) {
2755                 docstring const align_d = column_info[c].decimal_point;
2756                 DocIterator const dit = separatorPos(cellInset(cell), align_d);
2757                 bool const nosep = !dit;
2758                 ismulticol |= nosep;
2759                 celldouble &= nosep;
2760         }
2761
2762         // up counter by 1 for each decimally aligned col since they use 2 latex cols
2763         int latexcolspan = columnSpan(cell);
2764         for (col_type col = c; col < c + columnSpan(cell); ++col)
2765                 if (column_info[col].alignment == LYX_ALIGN_DECIMAL)
2766                         ++latexcolspan;
2767
2768         if (ismulticol) {
2769                 os << "\\multicolumn{" << latexcolspan << "}{";
2770                 if (((bidi && c == getLastCellInRow(cellRow(0)) && rightLine(cell))
2771                      || (!bidi && c == 0 && leftLine(cell))))
2772                         os << '|';
2773                 if (bidi && celldouble)
2774                         // add extra vertical line if we want a double one
2775                         os << '|';
2776                 if (!cellInfo(cell).align_special.empty()) {
2777                         os << cellInfo(cell).align_special;
2778                 } else {
2779                         if (!getPWidth(cell).zero()) {
2780                                 switch (align) {
2781                                 case LYX_ALIGN_LEFT:
2782                                         os << ">{\\raggedright}";
2783                                         break;
2784                                 case LYX_ALIGN_RIGHT:
2785                                         os << ">{\\raggedleft}";
2786                                         break;
2787                                 case LYX_ALIGN_CENTER:
2788                                         os << ">{\\centering}";
2789                                         break;
2790                                 default:
2791                                         break;
2792                                 }
2793                                 switch (valign) {
2794                                 case LYX_VALIGN_TOP:
2795                                         os << 'p';
2796                                         break;
2797                                 case LYX_VALIGN_MIDDLE:
2798                                         os << 'm';
2799                                         break;
2800                                 case LYX_VALIGN_BOTTOM:
2801                                         os << 'b';
2802                                         break;
2803                                 }
2804                                 os << '{'
2805                                    << from_ascii(getPWidth(cell).asLatexString())
2806                                    << '}';
2807                         } else {
2808                                 switch (align) {
2809                                 case LYX_ALIGN_LEFT:
2810                                         os << 'l';
2811                                         break;
2812                                 case LYX_ALIGN_RIGHT:
2813                                         os << 'r';
2814                                         break;
2815                                 default:
2816                                         os << 'c';
2817                                         break;
2818                                 }
2819                         } // end if else !getPWidth
2820                 } // end if else !cellinfo_of_cell
2821                 if ((bidi && leftLine(cell)) || (!bidi && rightLine(cell)) || nextcellleft)
2822                         os << '|';
2823                 if (!bidi && celldouble)
2824                         // add extra vertical line if we want a double one
2825                         os << '|';
2826                 os << "}{";
2827         } // end if ismulticol
2828
2829         // we only need code for the first multirow cell
2830         ismultirow = isMultiRow(cell);
2831         if (ismultirow) {
2832                 os << "\\multirow{" << rowSpan(cell) << "}{";
2833                 if (!getPWidth(cell).zero())
2834                         os << from_ascii(getPWidth(cell).asLatexString());
2835                 else
2836                         // we need to set a default value
2837                         os << "*";
2838                 os << "}";
2839                 if (!getMROffset(cell).zero())
2840                         os << "[" << from_ascii(getMROffset(cell).asLatexString()) << "]";
2841                 os << "{";
2842         } // end if ismultirow
2843
2844         if (getRotateCell(cell) != 0)
2845                 os << "\\begin{turn}{" << convert<string>(getRotateCell(cell)) << "}\n";
2846
2847         if (getUsebox(cell) == BOX_PARBOX) {
2848                 os << "\\parbox[";
2849                 switch (valign) {
2850                 case LYX_VALIGN_TOP:
2851                         os << 't';
2852                         break;
2853                 case LYX_VALIGN_MIDDLE:
2854                         os << 'c';
2855                         break;
2856                 case LYX_VALIGN_BOTTOM:
2857                         os << 'b';
2858                         break;
2859                 }
2860                 os << "]{" << from_ascii(getPWidth(cell).asLatexString())
2861                    << "}{";
2862         } else if (getUsebox(cell) == BOX_MINIPAGE) {
2863                 os << "\\begin{minipage}[";
2864                 switch (valign) {
2865                 case LYX_VALIGN_TOP:
2866                         os << 't';
2867                         break;
2868                 case LYX_VALIGN_MIDDLE:
2869                         os << 'm';
2870                         break;
2871                 case LYX_VALIGN_BOTTOM:
2872                         os << 'b';
2873                         break;
2874                 }
2875                 os << "]{" << from_ascii(getPWidth(cell).asLatexString())
2876                    << "}\n";
2877         } else if (getRotateCell(cell) != 0 && getUsebox(cell) == BOX_VARWIDTH) {
2878                 os << "\\begin{varwidth}[";
2879                 switch (valign) {
2880                 case LYX_VALIGN_TOP:
2881                         os << 't';
2882                         break;
2883                 case LYX_VALIGN_MIDDLE:
2884                         os << 'm';
2885                         break;
2886                 case LYX_VALIGN_BOTTOM:
2887                         os << 'b';
2888                         break;
2889         }
2890         os << "]{\\linewidth}\n";
2891 }
2892 }
2893
2894
2895 void Tabular::TeXCellPostamble(otexstream & os, idx_type cell,
2896                                bool ismulticol, bool ismultirow) const
2897 {
2898         row_type const r = cellRow(cell);
2899         if (is_long_tabular && row_info[r].caption)
2900                 return;
2901
2902         // usual cells
2903         if (getUsebox(cell) == BOX_PARBOX)
2904                 os << '}';
2905         else if (getUsebox(cell) == BOX_MINIPAGE)
2906                 os << breakln << "\\end{minipage}";
2907         else if (getRotateCell(cell) != 0 && getUsebox(cell) == BOX_VARWIDTH)
2908                 os << breakln << "\\end{varwidth}";
2909         if (getRotateCell(cell) != 0)
2910                 os << breakln << "\\end{turn}";
2911         if (ismultirow)
2912                 os << '}';
2913         if (ismulticol)
2914                 os << '}';
2915 }
2916
2917
2918 void Tabular::TeXLongtableHeaderFooter(otexstream & os,
2919                                        OutputParams const & runparams,
2920                                        list<col_type> columns) const
2921 {
2922         if (!is_long_tabular)
2923                 return;
2924
2925         // caption handling
2926         // output caption which is in no header or footer
2927         if (haveLTCaption()) {
2928                 for (row_type r = 0; r < nrows(); ++r) {
2929                         if (row_info[r].caption &&
2930                             !row_info[r].endfirsthead && !row_info[r].endhead &&
2931                             !row_info[r].endfoot && !row_info[r].endlastfoot)
2932                                 TeXRow(os, r, runparams, columns);
2933                 }
2934         }
2935         // output first header info
2936         if (haveLTFirstHead()) {
2937                 if (endfirsthead.topDL)
2938                         os << "\\hline\n";
2939                 for (row_type r = 0; r < nrows(); ++r) {
2940                         if (row_info[r].endfirsthead)
2941                                 TeXRow(os, r, runparams, columns);
2942                 }
2943                 if (endfirsthead.bottomDL)
2944                         os << "\\hline\n";
2945                 os << "\\endfirsthead\n";
2946         }
2947         // output header info
2948         if (haveLTHead()) {
2949                 if (endfirsthead.empty && !haveLTFirstHead())
2950                         os << "\\endfirsthead\n";
2951                 if (endhead.topDL)
2952                         os << "\\hline\n";
2953                 for (row_type r = 0; r < nrows(); ++r) {
2954                         if (row_info[r].endhead)
2955                                 TeXRow(os, r, runparams, columns);
2956                 }
2957                 if (endhead.bottomDL)
2958                         os << "\\hline\n";
2959                 os << "\\endhead\n";
2960         }
2961         // output footer info
2962         if (haveLTFoot()) {
2963                 if (endfoot.topDL)
2964                         os << "\\hline\n";
2965                 for (row_type r = 0; r < nrows(); ++r) {
2966                         if (row_info[r].endfoot)
2967                                 TeXRow(os, r, runparams, columns);
2968                 }
2969                 if (endfoot.bottomDL)
2970                         os << "\\hline\n";
2971                 os << "\\endfoot\n";
2972                 if (endlastfoot.empty && !haveLTLastFoot())
2973                         os << "\\endlastfoot\n";
2974         }
2975         // output lastfooter info
2976         if (haveLTLastFoot()) {
2977                 if (endlastfoot.topDL)
2978                         os << "\\hline\n";
2979                 for (row_type r = 0; r < nrows(); ++r) {
2980                         if (row_info[r].endlastfoot)
2981                                 TeXRow(os, r, runparams, columns);
2982                 }
2983                 if (endlastfoot.bottomDL)
2984                         os << "\\hline\n";
2985                 os << "\\endlastfoot\n";
2986         }
2987 }
2988
2989
2990 bool Tabular::isValidRow(row_type row) const
2991 {
2992         if (!is_long_tabular)
2993                 return true;
2994         return !row_info[row].endhead && !row_info[row].endfirsthead
2995                 && !row_info[row].endfoot && !row_info[row].endlastfoot
2996                 && !row_info[row].caption;
2997 }
2998
2999
3000 void Tabular::TeXRow(otexstream & os, row_type row,
3001                      OutputParams const & runparams,
3002                      list<col_type> columns) const
3003 {
3004         idx_type cell = cellIndex(row, 0);
3005
3006         //output the top line
3007         TeXTopHLine(os, row, columns);
3008
3009         if (row_info[row].top_space_default) {
3010                 if (use_booktabs)
3011                         os << "\\addlinespace\n";
3012                 else
3013                         os << "\\noalign{\\vskip\\doublerulesep}\n";
3014         } else if(!row_info[row].top_space.zero()) {
3015                 if (use_booktabs)
3016                         os << "\\addlinespace["
3017                            << from_ascii(row_info[row].top_space.asLatexString())
3018                            << "]\n";
3019                 else {
3020                         os << "\\noalign{\\vskip"
3021                            << from_ascii(row_info[row].top_space.asLatexString())
3022                            << "}\n";
3023                 }
3024         }
3025         bool ismulticol = false;
3026         bool ismultirow = false;
3027
3028         // The bidi package (loaded by polyglossia with XeTeX) reverses RTL table columns
3029         // Luabibdi (used by LuaTeX) behaves like classic
3030         bool const bidi_rtl =
3031                 runparams.local_font->isRightToLeft()
3032                 && runparams.useBidiPackage();
3033         bool const ct = !buffer().params().output_changes;
3034         idx_type lastcell =
3035                 bidi_rtl ? getFirstCellInRow(row, ct) : getLastCellInRow(row, ct);
3036
3037         for (auto const & c : columns) {
3038                 if (isPartOfMultiColumn(row, c))
3039                         continue;
3040
3041                 cell = cellIndex(row, c);
3042
3043                 if (isPartOfMultiRow(row, c)
3044                     && column_info[c].alignment != LYX_ALIGN_DECIMAL) {
3045                         if (cell != lastcell)
3046                                 os << " & ";
3047                         continue;
3048                 }
3049
3050                 TeXCellPreamble(os, cell, ismulticol, ismultirow, bidi_rtl);
3051                 InsetTableCell const * inset = cellInset(cell);
3052
3053                 Paragraph const & par = inset->paragraphs().front();
3054
3055                 os.texrow().forceStart(par.id(), 0);
3056
3057                 bool rtl = par.isRTL(buffer().params())
3058                         && !par.empty()
3059                         && getPWidth(cell).zero()
3060                         && !runparams.use_polyglossia;
3061
3062                 if (rtl) {
3063                         string const lang =
3064                                 par.getParLanguage(buffer().params())->lang();
3065                         if (lang == "farsi")
3066                                 os << "\\textFR{";
3067                         else if (lang == "arabic_arabi")
3068                                 os << "\\textAR{";
3069                         // currently, remaining RTL languages are
3070                         // arabic_arabtex and hebrew
3071                         else
3072                                 os << "\\R{";
3073                 }
3074                 // pass to the OutputParams that we are in a cell and
3075                 // which alignment we have set.
3076                 // InsetNewline needs this context information.
3077                 OutputParams newrp(runparams);
3078                 newrp.inTableCell = (getAlignment(cell) == LYX_ALIGN_BLOCK)
3079                                     ? OutputParams::PLAIN
3080                                     : OutputParams::ALIGNED;
3081
3082                 if (getAlignment(cell) == LYX_ALIGN_DECIMAL) {
3083                         // copy cell and split in 2
3084                         InsetTableCell head = InsetTableCell(*cellInset(cell));
3085                         head.setBuffer(const_cast<Buffer &>(buffer()));
3086                         DocIterator dit = cellInset(cell)->getText(0)->macrocontextPosition();
3087                         dit.pop_back();
3088                         dit.push_back(CursorSlice(head));
3089                         head.setMacrocontextPositionRecursive(dit);
3090                         bool hassep = false;
3091                         InsetTableCell tail = splitCell(head, column_info[c].decimal_point, hassep);
3092                         if (hassep) {
3093                                 tail.setBuffer(head.buffer());
3094                                 dit.pop_back();
3095                                 dit.push_back(CursorSlice(tail));
3096                                 tail.setMacrocontextPositionRecursive(dit);
3097                         }
3098                         if (bidi_rtl) {
3099                                 if (hassep) {
3100                                         tail.latex(os, newrp);
3101                                         os << '&';
3102                                 }
3103                                 head.latex(os, newrp);
3104                         } else {
3105                                 head.latex(os, newrp);
3106                                 if (hassep) {
3107                                         os << '&';
3108                                         tail.latex(os, newrp);
3109                                 }
3110                         }
3111                 } else if (ltCaption(row)) {
3112                         // Inside longtable caption rows, we must only output the caption inset
3113                         // with its content and omit anything outside of that (see #10791)
3114                         InsetIterator it = inset_iterator_begin(*const_cast<InsetTableCell *>(inset));
3115                         InsetIterator i_end = inset_iterator_end(*const_cast<InsetTableCell *>(inset));
3116                         for (; it != i_end; ++it) {
3117                                 if (it->lyxCode() != CAPTION_CODE)
3118                                         continue;
3119                                 it->latex(os, runparams);
3120                                 break;
3121                         }
3122                 } else if (!isPartOfMultiRow(row, c)) {
3123                         if (!runparams.nice)
3124                                 os.texrow().start(par.id(), 0);
3125                         inset->latex(os, newrp);
3126                 }
3127
3128                 runparams.encoding = newrp.encoding;
3129                 if (rtl)
3130                         os << '}';
3131
3132                 TeXCellPostamble(os, cell, ismulticol, ismultirow);
3133                 if (cell != lastcell) { // not last cell in row
3134                         if (runparams.nice)
3135                                 os << " & ";
3136                         else
3137                                 os << " &\n";
3138                 }
3139         }
3140         os << "\\tabularnewline";
3141         if (row_info[row].bottom_space_default) {
3142                 if (use_booktabs)
3143                         os << "\\addlinespace";
3144                 else
3145                         os << "[\\doublerulesep]";
3146         } else if (!row_info[row].bottom_space.zero()) {
3147                 if (use_booktabs)
3148                         os << "\\addlinespace";
3149                 os << '['
3150                    << from_ascii(row_info[row].bottom_space.asLatexString())
3151                    << ']';
3152         }
3153         os << '\n';
3154
3155         //output the bottom line
3156         TeXBottomHLine(os, row, columns);
3157
3158         if (row_info[row].interline_space_default) {
3159                 if (use_booktabs)
3160                         os << "\\addlinespace\n";
3161                 else
3162                         os << "\\noalign{\\vskip\\doublerulesep}\n";
3163         } else if (!row_info[row].interline_space.zero()) {
3164                 if (use_booktabs)
3165                         os << "\\addlinespace["
3166                            << from_ascii(row_info[row].interline_space.asLatexString())
3167                            << "]\n";
3168                 else
3169                         os << "\\noalign{\\vskip"
3170                            << from_ascii(row_info[row].interline_space.asLatexString())
3171                            << "}\n";
3172         }
3173 }
3174
3175
3176 void Tabular::latex(otexstream & os, OutputParams const & runparams) const
3177 {
3178         bool const is_tabular_star = !is_long_tabular && !tabular_width.zero()
3179                 && !hasVarwidthColumn();
3180         bool const is_xltabular = is_long_tabular
3181                 && (hasVarwidthColumn() || !tabular_width.zero());
3182         TexRow::RowEntry pos = TexRow::textEntry(runparams.lastid, runparams.lastpos);
3183
3184         //+---------------------------------------------------------------------
3185         //+                      first the opening preamble                    +
3186         //+---------------------------------------------------------------------
3187
3188         os << safebreakln;
3189         if (!TexRow::isNone(pos))
3190                 os.texrow().start(pos);
3191
3192         if (rotate != 0) {
3193                 if (is_long_tabular)
3194                         os << "\\begin{landscape}\n";
3195                 else
3196                         os << "\\begin{turn}{" << convert<string>(rotate) << "}\n";
3197         }
3198
3199         // The bidi package (loaded by polyglossia with XeTeX) swaps the column
3200         // order for RTL (#9686). Thus we use this list.
3201         bool const bidi_rtl =
3202                 runparams.local_font->isRightToLeft()
3203                 && runparams.useBidiPackage();
3204         list<col_type> columns;
3205         for (col_type cl = 0; cl < ncols(); ++cl) {
3206                 if (!buffer().params().output_changes && column_info[cl].change.deleted())
3207                         continue;
3208                 if (bidi_rtl)
3209                         columns.push_front(cl);
3210                 else
3211                         columns.push_back(cl);
3212         }
3213
3214         // If we use \cline or \cmidrule, we need to locally de-activate
3215         // the - character when using languages that activate it (e.g., Czech, Slovak).
3216         bool deactivate_chars = false;
3217         if ((runparams.use_babel || runparams.use_polyglossia)
3218             && contains(runparams.active_chars, '-')) {
3219                 bool have_clines = false;
3220                 // Check if we use \cline or \cmidrule
3221                 for (row_type row = 0; row < nrows(); ++row) {
3222                         col_type bset = 0, tset = 0;
3223                         for (auto const & c : columns) {
3224                                 idx_type const idx = cellIndex(row, c);
3225                                 if (bottomLineTrim(idx).first || bottomLineTrim(idx).second
3226                                     || topLineTrim(idx).first || topLineTrim(idx).second) {
3227                                         have_clines = true;
3228                                         break;
3229                                 }
3230                                 if (bottomLine(cellIndex(row, c)))
3231                                         ++bset;
3232                                 if (topLine(cellIndex(row, c)))
3233                                         ++tset;
3234                         }
3235                         if ((bset > 0 && bset < ncols()) || (tset > 0 && tset < ncols())) {
3236                                 have_clines = true;
3237                                 break;
3238                         }
3239                 }
3240                 if (have_clines) {
3241                         deactivate_chars = true;
3242                         os << "\\begingroup\n"
3243                            << "\\catcode`\\-=12\n";
3244                 }
3245         }
3246
3247         if (is_long_tabular) {
3248                 if (is_xltabular)
3249                         os << "\\begin{xltabular}";
3250                 else
3251                         os << "\\begin{longtable}";
3252                 switch (longtabular_alignment) {
3253                 case LYX_LONGTABULAR_ALIGN_LEFT:
3254                         os << "[l]";
3255                         break;
3256                 case LYX_LONGTABULAR_ALIGN_CENTER:
3257                         os << "[c]";
3258                         break;
3259                 case LYX_LONGTABULAR_ALIGN_RIGHT:
3260                         os << "[r]";
3261                         break;
3262                 }
3263                 if (is_xltabular) {
3264                         if (tabular_width.zero())
3265                                 os << "{" << from_ascii("\\columnwidth") << "}";
3266                         else
3267                                 os << "{" << from_ascii(tabular_width.asLatexString()) << "}";
3268                 }
3269         } else {
3270                 if (is_tabular_star)
3271                         os << "\\begin{tabular*}{" << from_ascii(tabular_width.asLatexString()) << "}";
3272                 else if (hasVarwidthColumn()) {
3273                         os << "\\begin{tabularx}{";
3274                         if (tabular_width.zero())
3275                                 os << from_ascii("\\columnwidth") << "}";
3276                         else
3277                                 os << from_ascii(tabular_width.asLatexString()) << "}";
3278                 } else
3279                         os << "\\begin{tabular}";
3280                 switch (tabular_valignment) {
3281                 case LYX_VALIGN_TOP:
3282                         os << "[t]";
3283                         break;
3284                 case LYX_VALIGN_MIDDLE:
3285                         break;
3286                 case LYX_VALIGN_BOTTOM:
3287                         os << "[b]";
3288                         break;
3289                 }
3290         }
3291
3292         os << "{";
3293
3294         if (is_tabular_star)
3295                 os << "@{\\extracolsep{\\fill}}";
3296
3297         for (auto const & c : columns) {
3298                 if ((bidi_rtl && columnRightLine(c)) || (!bidi_rtl && columnLeftLine(c)))
3299                         os << '|';
3300                 if (!column_info[c].align_special.empty()) {
3301                         os << column_info[c].align_special;
3302                 } else {
3303                         if (!column_info[c].p_width.zero()) {
3304                                 bool decimal = false;
3305                                 switch (column_info[c].alignment) {
3306                                 case LYX_ALIGN_LEFT:
3307                                         os << ">{\\raggedright}";
3308                                         break;
3309                                 case LYX_ALIGN_RIGHT:
3310                                         os << ">{\\raggedleft}";
3311                                         break;
3312                                 case LYX_ALIGN_CENTER:
3313                                         os << ">{\\centering}";
3314                                         break;
3315                                 case LYX_ALIGN_NONE:
3316                                 case LYX_ALIGN_BLOCK:
3317                                 case LYX_ALIGN_LAYOUT:
3318                                 case LYX_ALIGN_SPECIAL:
3319                                         break;
3320                                 case LYX_ALIGN_DECIMAL: {
3321                                         if (bidi_rtl)
3322                                                 os << ">{\\raggedright}";
3323                                         else
3324                                                 os << ">{\\raggedleft}";
3325                                         decimal = true;
3326                                         break;
3327                                 }
3328                                 }
3329
3330                                 char valign = 'p';
3331                                 switch (column_info[c].valignment) {
3332                                 case LYX_VALIGN_TOP:
3333                                         // this is the default
3334                                         break;
3335                                 case LYX_VALIGN_MIDDLE:
3336                                         valign = 'm';
3337                                         break;
3338                                 case LYX_VALIGN_BOTTOM:
3339                                         valign = 'b';
3340                                         break;
3341                                 }
3342                                 os << valign;
3343
3344                                 // Fixed-width cells with alignment at decimal separator
3345                                 // are output as two cells of half the width with the decimal
3346                                 // separator as column sep. This effectively puts the content
3347                                 // centered, which differs from the normal decimal sep alignment
3348                                 // and is not ideal, but we cannot do better ATM (see #9568).
3349                                 // FIXME: Implement proper decimal sep alignment, e.g. via siunitx.
3350                                 if (decimal) {
3351                                         docstring const halffixedwith =
3352                                                 from_ascii(Length(column_info[c].p_width.value() / 2,
3353                                                                   column_info[c].p_width.unit()).asLatexString());
3354                                         os << '{'
3355                                            << halffixedwith
3356                                            << '}'
3357                                            << "@{\\extracolsep{0pt}" << column_info[c].decimal_point << "}"
3358                                            << valign
3359                                            << '{'
3360                                            << halffixedwith
3361                                            << '}';
3362                                 } else
3363                                         os << '{'
3364                                            << from_ascii(column_info[c].p_width.asLatexString())
3365                                            << '}';
3366                         } else if (column_info[c].varwidth) {
3367                                 switch (column_info[c].alignment) {
3368                                 case LYX_ALIGN_LEFT:
3369                                         os << ">{\\raggedright\\arraybackslash}";
3370                                         break;
3371                                 case LYX_ALIGN_RIGHT:
3372                                         os << ">{\\raggedleft\\arraybackslash}";
3373                                         break;
3374                                 case LYX_ALIGN_CENTER:
3375                                         os << ">{\\centering\\arraybackslash}";
3376                                         break;
3377                                 case LYX_ALIGN_NONE:
3378                                 case LYX_ALIGN_BLOCK:
3379                                 case LYX_ALIGN_LAYOUT:
3380                                 case LYX_ALIGN_SPECIAL:
3381                                 case LYX_ALIGN_DECIMAL:
3382                                         break;
3383                                 }
3384                                 os << 'X';
3385                         } else if (isVTypeColumn(c)) {
3386                                 switch (column_info[c].alignment) {
3387                                 case LYX_ALIGN_LEFT:
3388                                         os << ">{\\raggedright}";
3389                                         break;
3390                                 case LYX_ALIGN_RIGHT:
3391                                         os << ">{\\raggedleft}";
3392                                         break;
3393                                 case LYX_ALIGN_CENTER:
3394                                         os << ">{\\centering}";
3395                                         break;
3396                                 case LYX_ALIGN_NONE:
3397                                 case LYX_ALIGN_BLOCK:
3398                                 case LYX_ALIGN_LAYOUT:
3399                                 case LYX_ALIGN_SPECIAL:
3400                                 case LYX_ALIGN_DECIMAL:
3401                                         break;
3402                                 }
3403                                 os << "V{\\linewidth}";
3404                         } else {
3405                                 switch (column_info[c].alignment) {
3406                                 case LYX_ALIGN_LEFT:
3407                                         os << 'l';
3408                                         break;
3409                                 case LYX_ALIGN_RIGHT:
3410                                         os << 'r';
3411                                         break;
3412                                 case LYX_ALIGN_DECIMAL:
3413                                         os << "r@{\\extracolsep{0pt}" << column_info[c].decimal_point << "}l";
3414                                         break;
3415                                 default:
3416                                         os << 'c';
3417                                         break;
3418                                 }
3419                         } // end if else !column_info[i].p_width
3420                 } // end if else !column_info[i].align_special
3421                 if ((bidi_rtl && columnLeftLine(c)) || (!bidi_rtl && columnRightLine(c)))
3422                         os << '|';
3423         }
3424         os << "}\n";
3425
3426         TeXLongtableHeaderFooter(os, runparams, columns);
3427
3428         //+---------------------------------------------------------------------
3429         //+                      the single row and columns (cells)            +
3430         //+---------------------------------------------------------------------
3431
3432         for (row_type r = 0; r < nrows(); ++r) {
3433                 if (!buffer().params().output_changes && row_info[r].change.deleted())
3434                         continue;
3435                 if (isValidRow(r)) {
3436                         TeXRow(os, r, runparams, columns);
3437                         if (is_long_tabular && row_info[r].newpage)
3438                                 os << "\\newpage\n";
3439                 }
3440         }
3441
3442         //+---------------------------------------------------------------------
3443         //+                      the closing of the tabular                    +
3444         //+---------------------------------------------------------------------
3445
3446         if (is_long_tabular) {
3447                 if (is_xltabular)
3448                         os << "\\end{xltabular}";
3449                 else
3450                         os << "\\end{longtable}";
3451         } else {
3452                 if (is_tabular_star)
3453                         os << "\\end{tabular*}";
3454                 else if (hasVarwidthColumn())
3455                         os << "\\end{tabularx}";
3456                 else
3457                         os << "\\end{tabular}";
3458         }
3459
3460         if (deactivate_chars)
3461                 // close the group
3462                 os << "\n\\endgroup\n";
3463
3464         if (rotate != 0) {
3465                 if (is_long_tabular)
3466                         os << breakln << "\\end{landscape}";
3467                 else
3468                         os << breakln << "\\end{turn}";
3469         }
3470
3471         if (!TexRow::isNone(pos))
3472                 os.texrow().start(pos);
3473 }
3474
3475
3476 int Tabular::docbookRow(odocstream & os, row_type row,
3477                            OutputParams const & runparams) const
3478 {
3479         int ret = 0;
3480         idx_type cell = getFirstCellInRow(row);
3481
3482         os << "<row>\n";
3483         for (col_type c = 0; c < ncols(); ++c) {
3484                 if (isPartOfMultiColumn(row, c))
3485                         continue;
3486
3487                 os << "<entry align=\"";
3488                 switch (getAlignment(cell)) {
3489                 case LYX_ALIGN_LEFT:
3490                         os << "left";
3491                         break;
3492                 case LYX_ALIGN_RIGHT:
3493                         os << "right";
3494                         break;
3495                 default:
3496                         os << "center";
3497                         break;
3498                 }
3499
3500                 os << "\" valign=\"";
3501                 switch (getVAlignment(cell)) {
3502                 case LYX_VALIGN_TOP:
3503                         os << "top";
3504                         break;
3505                 case LYX_VALIGN_BOTTOM:
3506                         os << "bottom";
3507                         break;
3508                 case LYX_VALIGN_MIDDLE:
3509                         os << "middle";
3510                 }
3511                 os << '"';
3512
3513                 if (isMultiColumn(cell)) {
3514                         os << " namest=\"col" << c << "\" ";
3515                         os << "nameend=\"col" << c + columnSpan(cell) - 1 << '"';
3516                 }
3517
3518                 os << '>';
3519                 ret += cellInset(cell)->docbook(os, runparams);
3520                 os << "</entry>\n";
3521                 ++cell;
3522         }
3523         os << "</row>\n";
3524         return ret;
3525 }
3526
3527
3528 int Tabular::docbook(odocstream & os, OutputParams const & runparams) const
3529 {
3530         int ret = 0;
3531
3532         //+---------------------------------------------------------------------
3533         //+                      first the opening preamble                    +
3534         //+---------------------------------------------------------------------
3535
3536         os << "<tgroup cols=\"" << ncols()
3537            << "\" colsep=\"1\" rowsep=\"1\">\n";
3538
3539         for (col_type c = 0; c < ncols(); ++c) {
3540                 os << "<colspec colname=\"col" << c << "\" align=\"";
3541                 switch (column_info[c].alignment) {
3542                 case LYX_ALIGN_LEFT:
3543                         os << "left";
3544                         break;
3545                 case LYX_ALIGN_RIGHT:
3546                         os << "right";
3547                         break;
3548                 default:
3549                         os << "center";
3550                         break;
3551                 }
3552                 os << '"';
3553                 if (runparams.flavor == OutputParams::XML)
3554                         os << '/';
3555                 os << ">\n";
3556                 ++ret;
3557         }
3558
3559         //+---------------------------------------------------------------------
3560         //+                      Long Tabular case                             +
3561         //+---------------------------------------------------------------------
3562
3563         // output caption info
3564         // The caption flag wins over head/foot
3565         if (haveLTCaption()) {
3566                 os << "<caption>\n";
3567                 ++ret;
3568                 for (row_type r = 0; r < nrows(); ++r) {
3569                         if (row_info[r].caption) {
3570                                 ret += docbookRow(os, r, runparams);
3571                         }
3572                 }
3573                 os << "</caption>\n";
3574                 ++ret;
3575         }
3576         // output header info
3577         if (haveLTHead(false) || haveLTFirstHead(false)) {
3578                 os << "<thead>\n";
3579                 ++ret;
3580                 for (row_type r = 0; r < nrows(); ++r) {
3581                         if ((row_info[r].endhead || row_info[r].endfirsthead) &&
3582                             !row_info[r].caption) {
3583                                 ret += docbookRow(os, r, runparams);
3584                         }
3585                 }
3586                 os << "</thead>\n";
3587                 ++ret;
3588         }
3589         // output footer info
3590         if (haveLTFoot(false) || haveLTLastFoot(false)) {
3591                 os << "<tfoot>\n";
3592                 ++ret;
3593                 for (row_type r = 0; r < nrows(); ++r) {
3594                         if ((row_info[r].endfoot || row_info[r].endlastfoot) &&
3595                             !row_info[r].caption) {
3596                                 ret += docbookRow(os, r, runparams);
3597                         }
3598                 }
3599                 os << "</tfoot>\n";
3600                 ++ret;
3601         }
3602
3603         //+---------------------------------------------------------------------
3604         //+                      the single row and columns (cells)            +
3605         //+---------------------------------------------------------------------
3606
3607         os << "<tbody>\n";
3608         ++ret;
3609         for (row_type r = 0; r < nrows(); ++r) {
3610                 if (isValidRow(r)) {
3611                         ret += docbookRow(os, r, runparams);
3612                 }
3613         }
3614         os << "</tbody>\n";
3615         ++ret;
3616         //+---------------------------------------------------------------------
3617         //+                      the closing of the tabular                    +
3618         //+---------------------------------------------------------------------
3619
3620         os << "</tgroup>";
3621         ++ret;
3622
3623         return ret;
3624 }
3625
3626
3627 docstring Tabular::xhtmlRow(XHTMLStream & xs, row_type row,
3628                            OutputParams const & runparams, bool header) const
3629 {
3630         docstring ret;
3631         string const celltag = header ? "th" : "td";
3632         idx_type cell = getFirstCellInRow(row);
3633
3634         xs << html::StartTag("tr");
3635         for (col_type c = 0; c < ncols(); ++c) {
3636                 if (isPartOfMultiColumn(row, c) || isPartOfMultiRow(row, c))
3637                         continue;
3638
3639                 stringstream attr;
3640
3641                 Length const cwidth = column_info[c].p_width;
3642                 if (!cwidth.zero()) {
3643                         string const hwidth = cwidth.asHTMLString();
3644                         attr << "style =\"width: " << hwidth << ";\" ";
3645                 }
3646
3647                 attr << "align='";
3648                 switch (getAlignment(cell)) {
3649                 case LYX_ALIGN_LEFT:
3650                         attr << "left";
3651                         break;
3652                 case LYX_ALIGN_RIGHT:
3653                         attr << "right";
3654                         break;
3655                 default:
3656                         attr << "center";
3657                         break;
3658                 }
3659                 attr << "'";
3660                 attr << " valign='";
3661                 switch (getVAlignment(cell)) {
3662                 case LYX_VALIGN_TOP:
3663                         attr << "top";
3664                         break;
3665                 case LYX_VALIGN_BOTTOM:
3666                         attr << "bottom";
3667                         break;
3668                 case LYX_VALIGN_MIDDLE:
3669                         attr << "middle";
3670                 }
3671                 attr << "'";
3672
3673                 if (isMultiColumn(cell))
3674                         attr << " colspan='" << columnSpan(cell) << "'";
3675                 else if (isMultiRow(cell))
3676                         attr << " rowspan='" << rowSpan(cell) << "'";
3677
3678                 xs << html::StartTag(celltag, attr.str(), true) << html::CR();
3679                 ret += cellInset(cell)->xhtml(xs, runparams);
3680                 xs << html::EndTag(celltag) << html::CR();
3681                 ++cell;
3682         }
3683         xs << html::EndTag("tr");
3684         return ret;
3685 }
3686
3687
3688 docstring Tabular::xhtml(XHTMLStream & xs, OutputParams const & runparams) const
3689 {
3690         docstring ret;
3691
3692         if (is_long_tabular) {
3693                 // we'll wrap it in a div, so as to deal with alignment
3694                 string align;
3695                 switch (longtabular_alignment) {
3696                 case LYX_LONGTABULAR_ALIGN_LEFT:
3697                         align = "left";
3698                         break;
3699                 case LYX_LONGTABULAR_ALIGN_CENTER:
3700                         align = "center";
3701                         break;
3702                 case LYX_LONGTABULAR_ALIGN_RIGHT:
3703                         align = "right";
3704                         break;
3705                 }
3706                 xs << html::StartTag("div", "class='longtable' style='text-align: " + align + ";'")
3707                    << html::CR();
3708                 // The caption flag wins over head/foot
3709                 if (haveLTCaption()) {
3710                         xs << html::StartTag("div", "class='longtable-caption' style='text-align: " + align + ";'")
3711                            << html::CR();
3712                         for (row_type r = 0; r < nrows(); ++r)
3713                                 if (row_info[r].caption)
3714                                         ret += xhtmlRow(xs, r, runparams);
3715                         xs << html::EndTag("div") << html::CR();
3716                 }
3717         }
3718
3719         xs << html::StartTag("table") << html::CR();
3720
3721         // output header info
3722         bool const havefirsthead = haveLTFirstHead(false);
3723         // if we have a first head, then we are going to ignore the
3724         // headers for the additional pages, since there aren't any
3725         // in XHTML. this test accomplishes that.
3726         bool const havehead = !havefirsthead && haveLTHead(false);
3727         if (havehead || havefirsthead) {
3728                 xs << html::StartTag("thead") << html::CR();
3729                 for (row_type r = 0; r < nrows(); ++r) {
3730                         if (((havefirsthead && row_info[r].endfirsthead) ||
3731                              (havehead && row_info[r].endhead)) &&
3732                             !row_info[r].caption) {
3733                                 ret += xhtmlRow(xs, r, runparams, true);
3734                         }
3735                 }
3736                 xs << html::EndTag("thead") << html::CR();
3737         }
3738         // output footer info
3739         bool const havelastfoot = haveLTLastFoot(false);
3740         // as before.
3741         bool const havefoot = !havelastfoot && haveLTFoot(false);
3742         if (havefoot || havelastfoot) {
3743                 xs << html::StartTag("tfoot") << html::CR();
3744                 for (row_type r = 0; r < nrows(); ++r) {
3745                         if (((havelastfoot && row_info[r].endlastfoot) ||
3746                              (havefoot && row_info[r].endfoot)) &&
3747                             !row_info[r].caption) {
3748                                 ret += xhtmlRow(xs, r, runparams);
3749                         }
3750                 }
3751                 xs << html::EndTag("tfoot") << html::CR();
3752         }
3753
3754         xs << html::StartTag("tbody") << html::CR();
3755         for (row_type r = 0; r < nrows(); ++r) {
3756                 if (isValidRow(r)) {
3757                         ret += xhtmlRow(xs, r, runparams);
3758                 }
3759         }
3760         xs << html::EndTag("tbody")
3761            << html::CR()
3762            << html::EndTag("table")
3763            << html::CR();
3764         if (is_long_tabular)
3765                 xs << html::EndTag("div") << html::CR();
3766         return ret;
3767 }
3768
3769
3770 bool Tabular::plaintextTopHLine(odocstringstream & os, row_type row,
3771                                    vector<unsigned int> const & clen) const
3772 {
3773         idx_type const fcell = getFirstCellInRow(row);
3774         idx_type const n = numberOfCellsInRow(row) + fcell;
3775         idx_type tmp = 0;
3776
3777         for (idx_type i = fcell; i < n; ++i) {
3778                 if (topLine(i)) {
3779                         ++tmp;
3780                         break;
3781                 }
3782         }
3783         if (!tmp)
3784                 return false;
3785
3786         char_type ch;
3787         for (idx_type i = fcell; i < n; ++i) {
3788                 if (topLine(i)) {
3789                         if (leftLine(i))
3790                                 os << "+-";
3791                         else
3792                                 os << "--";
3793                         ch = '-';
3794                 } else {
3795                         os << "  ";
3796                         ch = ' ';
3797                 }
3798                 col_type column = cellColumn(i);
3799                 int len = clen[column];
3800                 while (column < ncols() - 1
3801                        && isPartOfMultiColumn(row, ++column))
3802                         len += clen[column] + 4;
3803                 os << docstring(len, ch);
3804                 if (topLine(i)) {
3805                         if (rightLine(i))
3806                                 os << "-+";
3807                         else
3808                                 os << "--";
3809                 } else {
3810                         os << "  ";
3811                 }
3812         }
3813         os << endl;
3814         return true;
3815 }
3816
3817
3818 bool Tabular::plaintextBottomHLine(odocstringstream & os, row_type row,
3819                                       vector<unsigned int> const & clen) const
3820 {
3821         idx_type const fcell = getFirstCellInRow(row);
3822         idx_type const n = numberOfCellsInRow(row) + fcell;
3823         idx_type tmp = 0;
3824
3825         for (idx_type i = fcell; i < n; ++i) {
3826                 if (bottomLine(i)) {
3827                         ++tmp;
3828                         break;
3829                 }
3830         }
3831         if (!tmp)
3832                 return false;
3833
3834         char_type ch;
3835         for (idx_type i = fcell; i < n; ++i) {
3836                 if (bottomLine(i)) {
3837                         if (leftLine(i))
3838                                 os << "+-";
3839                         else
3840                                 os << "--";
3841                         ch = '-';
3842                 } else {
3843                         os << "  ";
3844                         ch = ' ';
3845                 }
3846                 col_type column = cellColumn(i);
3847                 int len = clen[column];
3848                 while (column < ncols() - 1 && isPartOfMultiColumn(row, ++column))
3849                         len += clen[column] + 4;
3850                 os << docstring(len, ch);
3851                 if (bottomLine(i)) {
3852                         if (rightLine(i))
3853                                 os << "-+";
3854                         else
3855                                 os << "--";
3856                 } else {
3857                         os << "  ";
3858                 }
3859         }
3860         os << endl;
3861         return true;
3862 }
3863
3864
3865 void Tabular::plaintextPrintCell(odocstringstream & os,
3866                                OutputParams const & runparams,
3867                                idx_type cell, row_type row, col_type column,
3868                                vector<unsigned int> const & clen,
3869                                bool onlydata, size_t max_length) const
3870 {
3871         odocstringstream sstr;
3872         cellInset(cell)->plaintext(sstr, runparams, max_length);
3873
3874         if (onlydata) {
3875                 os << sstr.str();
3876                 return;
3877         }
3878
3879         if (leftLine(cell))
3880                 os << "| ";
3881         else
3882                 os << "  ";
3883
3884         unsigned int len1 = sstr.str().length();
3885         unsigned int len2 = clen[column];
3886         while (column < ncols() - 1 && isPartOfMultiColumn(row, ++column))
3887                 len2 += clen[column] + 4;
3888         len2 -= len1;
3889
3890         switch (getAlignment(cell)) {
3891         default:
3892         case LYX_ALIGN_LEFT:
3893                 len1 = 0;
3894                 break;
3895         case LYX_ALIGN_RIGHT:
3896                 len1 = len2;
3897                 len2 = 0;
3898                 break;
3899         case LYX_ALIGN_CENTER:
3900                 len1 = len2 / 2;
3901                 len2 -= len1;
3902                 break;
3903         }
3904
3905         os << docstring(len1, ' ') << sstr.str()
3906            << docstring(len2, ' ');
3907
3908         if (rightLine(cell))
3909                 os << " |";
3910         else
3911                 os << "  ";
3912 }
3913
3914
3915 void Tabular::plaintext(odocstringstream & os,
3916                            OutputParams const & runparams, int const depth,
3917                            bool onlydata, char_type delim, size_t max_length) const
3918 {
3919         // first calculate the width of the single columns
3920         vector<unsigned int> clen(ncols());
3921
3922         if (!onlydata) {
3923                 // first all non multicolumn cells!
3924                 for (col_type c = 0; c < ncols(); ++c) {
3925                         clen[c] = 0;
3926                         for (row_type r = 0; r < nrows(); ++r) {
3927                                 idx_type cell = cellIndex(r, c);
3928                                 if (isMultiColumn(cell))
3929                                         continue;
3930                                 odocstringstream sstr;
3931                                 cellInset(cell)->plaintext(sstr, runparams, max_length);
3932                                 if (clen[c] < sstr.str().length())
3933                                         clen[c] = sstr.str().length();
3934                         }
3935                 }
3936                 // then all multicolumn cells!
3937                 for (col_type c = 0; c < ncols(); ++c) {
3938                         for (row_type r = 0; r < nrows(); ++r) {
3939                                 idx_type cell = cellIndex(r, c);
3940                                 if (cell_info[r][c].multicolumn != CELL_BEGIN_OF_MULTICOLUMN)
3941                                         continue;
3942                                 odocstringstream sstr;
3943                                 cellInset(cell)->plaintext(sstr, runparams, max_length);
3944                                 int len = int(sstr.str().length());
3945                                 idx_type const n = columnSpan(cell);
3946                                 for (col_type k = c; len > 0 && k < c + n - 1; ++k)
3947                                         len -= clen[k];
3948                                 if (len > int(clen[c + n - 1]))
3949                                         clen[c + n - 1] = len;
3950                         }
3951                 }
3952         }
3953         idx_type cell = 0;
3954         for (row_type r = 0; r < nrows(); ++r) {
3955                 if (!onlydata && plaintextTopHLine(os, r, clen))
3956                         os << docstring(depth * 2, ' ');
3957                 for (col_type c = 0; c < ncols(); ++c) {
3958                         if (isPartOfMultiColumn(r, c) || isPartOfMultiRow(r,c))
3959                                 continue;
3960                         if (onlydata && c > 0)
3961                                 // we don't use operator<< for single UCS4 character.
3962                                 // see explanation in docstream.h
3963                                 os.put(delim);
3964                         plaintextPrintCell(os, runparams, cell, r, c, clen, onlydata, max_length);
3965                         ++cell;
3966                         if (os.str().size() > max_length)
3967                                 break;
3968                 }
3969                 os << endl;
3970                 if (!onlydata) {
3971                         os << docstring(depth * 2, ' ');
3972                         if (plaintextBottomHLine(os, r, clen))
3973                                 os << docstring(depth * 2, ' ');
3974                 }
3975                 if (os.str().size() > max_length)
3976                         break;
3977         }
3978 }
3979
3980
3981 shared_ptr<InsetTableCell> Tabular::cellInset(idx_type cell)
3982 {
3983         return cell_info[cellRow(cell)][cellColumn(cell)].inset;
3984 }
3985
3986
3987 shared_ptr<InsetTableCell> Tabular::cellInset(row_type row, col_type column)
3988 {
3989         return cell_info[row][column].inset;
3990 }
3991
3992
3993 InsetTableCell const * Tabular::cellInset(idx_type cell) const
3994 {
3995         return cell_info[cellRow(cell)][cellColumn(cell)].inset.get();
3996 }
3997
3998
3999 void Tabular::setCellInset(row_type row, col_type column,
4000                            shared_ptr<InsetTableCell> ins)
4001 {
4002         CellData & cd = cell_info[row][column];
4003         cd.inset = ins;
4004 }
4005
4006
4007 void Tabular::validate(LaTeXFeatures & features) const
4008 {
4009         features.require("NeedTabularnewline");
4010         if (use_booktabs)
4011                 features.require("booktabs");
4012         if (is_long_tabular && !hasVarwidthColumn()) {
4013                 if (tabular_width.zero())
4014                         features.require("longtable");
4015                 else
4016                         features.require("xltabular");
4017         }
4018         if (rotate && is_long_tabular)
4019                 features.require("lscape");
4020         if (needRotating())
4021                 features.require("rotating");
4022         if (hasVarwidthColumn()) {
4023                 if (is_long_tabular)
4024                         features.require("xltabular");
4025                 else
4026                         features.require("tabularx");
4027         }
4028         for (idx_type cell = 0; cell < numberofcells; ++cell) {
4029                 if (isMultiRow(cell))
4030                         features.require("multirow");
4031                 if (getUsebox(cell) == BOX_VARWIDTH)
4032                         features.require("varwidth");
4033                 if (getVAlignment(cell) != LYX_VALIGN_TOP
4034                     || !getPWidth(cell).zero()
4035                     || isVTypeColumn(cellColumn(cell)))
4036                         features.require("array");
4037                 // Tell footnote that we need a savenote
4038                 // environment in non-long tables or
4039                 // longtable headers/footers
4040                 else if (!is_long_tabular && !features.inFloat())
4041                         features.saveNoteEnv("tabular");
4042                 else if (!isValidRow(cellRow(cell)))
4043                         features.saveNoteEnv("longtable");
4044
4045                 cellInset(cell)->validate(features);
4046                 features.saveNoteEnv(string());
4047         }
4048 }
4049
4050
4051 Tabular::BoxType Tabular::useBox(idx_type cell) const
4052 {
4053         ParagraphList const & parlist = cellInset(cell)->paragraphs();
4054         if (parlist.size() > 1)
4055                 return BOX_VARWIDTH;
4056
4057         ParagraphList::const_iterator cit = parlist.begin();
4058         ParagraphList::const_iterator end = parlist.end();
4059
4060         for (; cit != end; ++cit)
4061                 for (int i = 0; i < cit->size(); ++i)
4062                         if (cit->isNewline(i) || cit->layout().isEnvironment())
4063                                 return BOX_VARWIDTH;
4064
4065         return BOX_NONE;
4066 }
4067
4068
4069 /////////////////////////////////////////////////////////////////////
4070 //
4071 // InsetTableCell
4072 //
4073 /////////////////////////////////////////////////////////////////////
4074
4075 InsetTableCell::InsetTableCell(Buffer * buf)
4076         : InsetText(buf, InsetText::PlainLayout), isFixedWidth(false),
4077           isMultiColumn(false), isMultiRow(false), contentAlign(LYX_ALIGN_CENTER)
4078 {}
4079
4080
4081 bool InsetTableCell::forcePlainLayout(idx_type) const
4082 {
4083         return isMultiRow || (isMultiColumn && !isFixedWidth);
4084 }
4085
4086
4087 bool InsetTableCell::allowParagraphCustomization(idx_type) const
4088 {
4089         return isFixedWidth;
4090 }
4091
4092
4093 bool InsetTableCell::forceLocalFontSwitch() const
4094 {
4095         return true;
4096 }
4097
4098
4099 bool InsetTableCell::getStatus(Cursor & cur, FuncRequest const & cmd,
4100         FuncStatus & status) const
4101 {
4102         bool enabled = true;
4103         switch (cmd.action()) {
4104         case LFUN_INSET_DISSOLVE:
4105                 enabled = false;
4106                 break;
4107         case LFUN_MATH_DISPLAY:
4108                 if (!hasFixedWidth()) {
4109                         enabled = false;
4110                         break;
4111                 } //fall-through
4112         default:
4113                 return InsetText::getStatus(cur, cmd, status);
4114         }
4115         status.setEnabled(enabled);
4116         return true;
4117 }
4118
4119 docstring InsetTableCell::asString(bool intoInsets)
4120 {
4121         docstring retval;
4122         if (paragraphs().empty())
4123                 return retval;
4124         ParagraphList::const_iterator it = paragraphs().begin();
4125         ParagraphList::const_iterator en = paragraphs().end();
4126         bool first = true;
4127         for (; it != en; ++it) {
4128                 if (!first)
4129                         retval += "\n";
4130                 else
4131                         first = false;
4132                 retval += it->asString(intoInsets ? AS_STR_INSETS : AS_STR_NONE);
4133         }
4134         return retval;
4135 }
4136
4137
4138 void InsetTableCell::addToToc(DocIterator const & di, bool output_active,
4139                                                           UpdateType utype, TocBackend & backend) const
4140 {
4141         InsetText::iterateForToc(di, output_active, utype, backend);
4142 }
4143
4144
4145 docstring InsetTableCell::xhtml(XHTMLStream & xs, OutputParams const & rp) const
4146 {
4147         if (!isFixedWidth)
4148                 return InsetText::insetAsXHTML(xs, rp, InsetText::JustText);
4149         return InsetText::xhtml(xs, rp);
4150 }
4151
4152
4153 void InsetTableCell::metrics(MetricsInfo & mi, Dimension & dim) const
4154 {
4155         TextMetrics & tm = mi.base.bv->textMetrics(&text());
4156
4157         // Hand font through to contained lyxtext:
4158         tm.font_.fontInfo() = mi.base.font;
4159         mi.base.textwidth -= 2 * TEXT_TO_INSET_OFFSET;
4160
4161         // This can happen when a layout has a left and right margin,
4162         // and the view is made very narrow. We can't do better than
4163         // to draw it partly out of view (bug 5890).
4164         if (mi.base.textwidth < 1)
4165                 mi.base.textwidth = 1;
4166
4167         // We tell metrics here not to expand on multiple pars
4168         // This is the difference to InsetText::Metrics
4169         if (hasFixedWidth())
4170                 tm.metrics(mi, dim, mi.base.textwidth, false);
4171         else
4172                 tm.metrics(mi, dim, 0, false);
4173         mi.base.textwidth += 2 * TEXT_TO_INSET_OFFSET;
4174         dim.asc += TEXT_TO_INSET_OFFSET;
4175         dim.des += TEXT_TO_INSET_OFFSET;
4176         dim.wid += 2 * TEXT_TO_INSET_OFFSET;
4177 }
4178
4179
4180
4181 /////////////////////////////////////////////////////////////////////
4182 //
4183 // InsetTabular
4184 //
4185 /////////////////////////////////////////////////////////////////////
4186
4187 InsetTabular::InsetTabular(Buffer * buf, row_type rows,
4188                            col_type columns)
4189         : Inset(buf), tabular(buf, max(rows, row_type(1)), max(columns, col_type(1))),
4190           rowselect_(false), colselect_(false)
4191 {
4192 }
4193
4194
4195 InsetTabular::InsetTabular(InsetTabular const & tab)
4196         : Inset(tab), tabular(tab.tabular),
4197           rowselect_(false), colselect_(false)
4198 {
4199 }
4200
4201
4202 InsetTabular::~InsetTabular()
4203 {
4204         hideDialogs("tabular", this);
4205 }
4206
4207
4208 void InsetTabular::setBuffer(Buffer & buf)
4209 {
4210         tabular.setBuffer(buf);
4211         Inset::setBuffer(buf);
4212 }
4213
4214
4215 bool InsetTabular::insetAllowed(InsetCode code) const
4216 {
4217         switch (code) {
4218         case FLOAT_CODE:
4219         case MARGIN_CODE:
4220         case MATHMACRO_CODE:
4221         case WRAP_CODE:
4222                 return false;
4223
4224         case CAPTION_CODE:
4225                 return tabular.is_long_tabular;
4226
4227         default:
4228                 return true;
4229         }
4230 }
4231
4232
4233 bool InsetTabular::allowsCaptionVariation(std::string const & newtype) const
4234 {
4235         return tabular.is_long_tabular &&
4236                 (newtype == "Standard" || newtype == "Unnumbered");
4237 }
4238
4239
4240 void InsetTabular::write(ostream & os) const
4241 {
4242         os << "Tabular" << endl;
4243         tabular.write(os);
4244 }
4245
4246
4247 string InsetTabular::contextMenu(BufferView const &, int, int) const
4248 {
4249         // FIXME: depending on the selection state,
4250         // we could offer a different menu.
4251         return cell(0)->contextMenuName() + ";" + contextMenuName();
4252 }
4253
4254
4255 string InsetTabular::contextMenuName() const
4256 {
4257         return "context-tabular";
4258 }
4259
4260
4261 void InsetTabular::read(Lexer & lex)
4262 {
4263         //bool const old_format = (lex.getString() == "\\LyXTable");
4264
4265         tabular.read(lex);
4266
4267         //if (old_format)
4268         //      return;
4269
4270         lex.next();
4271         string token = lex.getString();
4272         while (lex && token != "\\end_inset") {
4273                 lex.next();
4274                 token = lex.getString();
4275         }
4276         if (!lex)
4277                 lex.printError("Missing \\end_inset at this point. ");
4278 }
4279
4280
4281 int InsetTabular::rowFromY(Cursor & cur, int y) const
4282 {
4283         // top y coordinate of tabular
4284         int h = yo(cur.bv()) - tabular.rowAscent(0) + tabular.offsetVAlignment();
4285         row_type r = 0;
4286         for (; r < tabular.nrows() && y > h; ++r)
4287                 h += tabular.rowAscent(r) + tabular.rowDescent(r)
4288                         + tabular.interRowSpace(r);
4289
4290         return r - 1;
4291 }
4292
4293
4294 int InsetTabular::columnFromX(Cursor & cur, int x) const
4295 {
4296         // left x coordinate of tabular
4297         int w = xo(cur.bv()) + ADD_TO_TABULAR_WIDTH;
4298         col_type c = 0;
4299         for (; c < tabular.ncols() && x > w; ++c)
4300                 w += tabular.cellWidth(c);
4301         return c - 1;
4302 }
4303
4304
4305 void InsetTabular::metrics(MetricsInfo & mi, Dimension & dim) const
4306 {
4307         //lyxerr << "InsetTabular::metrics: " << mi.base.bv << " width: " <<
4308         //      mi.base.textwidth << "\n";
4309         LBUFERR(mi.base.bv);
4310
4311         for (row_type r = 0; r < tabular.nrows(); ++r) {
4312                 int maxasc = 0;
4313                 int maxdes = 0;
4314                 for (col_type c = 0; c < tabular.ncols(); ++c) {
4315                         if (tabular.isPartOfMultiColumn(r, c)
4316                                 || tabular.isPartOfMultiRow(r, c))
4317                                 // multicolumn or multirow cell, but not first one
4318                                 continue;
4319                         idx_type const cell = tabular.cellIndex(r, c);
4320                         Dimension dim0;
4321                         MetricsInfo m = mi;
4322                         Length const p_width = tabular.getPWidth(cell);
4323                         if (!p_width.zero())
4324                                 m.base.textwidth = mi.base.inPixels(p_width);
4325                         else if (tabular.column_info[c].varwidth)
4326                                 m.base.textwidth = tabular.column_info[c].width;
4327                         tabular.cellInset(cell)->metrics(m, dim0);
4328                         if (!p_width.zero() || tabular.column_info[c].varwidth)
4329                                 dim0.wid = m.base.textwidth;
4330                         tabular.cellInfo(cell).width = dim0.wid + 2 * WIDTH_OF_LINE
4331                                 + tabular.interColumnSpace(cell);
4332
4333                         // FIXME(?): do we need a second metrics call?
4334                         TextMetrics const & tm =
4335                                 mi.base.bv->textMetrics(tabular.cellInset(cell)->getText(0));
4336
4337                         // determine horizontal offset because of decimal align (if necessary)
4338                         int decimal_width = 0;
4339                         if (tabular.getAlignment(cell) == LYX_ALIGN_DECIMAL) {
4340                                 InsetTableCell tail = InsetTableCell(*tabular.cellInset(cell));
4341                                 tail.setBuffer(tabular.buffer());
4342                                 // we need to set macrocontext position everywhere
4343                                 // otherwise we crash with nested insets (e.g. footnotes)
4344                                 // after decimal point
4345                                 DocIterator dit = tabular.cellInset(cell)->getText(0)->macrocontextPosition();
4346                                 dit.pop_back();
4347                                 dit.push_back(CursorSlice(tail));
4348                                 tail.setMacrocontextPositionRecursive(dit);
4349
4350                                 // remove text leading decimal point
4351                                 docstring const align_d = tabular.column_info[c].decimal_point;
4352                                 dit = separatorPos(&tail, align_d);
4353
4354                                 pit_type const psize = tail.paragraphs().front().size();
4355                                 if (dit) {
4356                                         tail.paragraphs().front().eraseChars(0,
4357                                                 dit.pos() < psize ? dit.pos() + 1 : psize, false);
4358                                         Dimension dim1;
4359                                         tail.metrics(m, dim1);
4360                                         decimal_width = dim1.width();
4361                                 }
4362                         }
4363                         tabular.cell_info[r][c].decimal_hoffset = tm.width() - decimal_width;
4364                         tabular.cell_info[r][c].decimal_width = decimal_width;
4365
4366                         // with LYX_VALIGN_BOTTOM the descent is relative to the last par
4367                         // = descent of text in last par + TEXT_TO_INSET_OFFSET:
4368                         int const lastpardes = tm.last().second->descent()
4369                                 + TEXT_TO_INSET_OFFSET;
4370                         int offset = 0;
4371                         switch (tabular.getVAlignment(cell)) {
4372                                 case Tabular::LYX_VALIGN_TOP:
4373                                         break;
4374                                 case Tabular::LYX_VALIGN_MIDDLE:
4375                                         offset = -(dim0.des - lastpardes)/2;
4376                                         break;
4377                                 case Tabular::LYX_VALIGN_BOTTOM:
4378                                         offset = -(dim0.des - lastpardes);
4379                                         break;
4380                         }
4381                         tabular.cell_info[r][c].voffset = offset;
4382                         maxasc = max(maxasc, dim0.asc - offset);
4383                         maxdes = max(maxdes, dim0.des + offset);
4384                 }
4385                 int const top_space = tabular.row_info[r].top_space_default ?
4386                     default_line_space :
4387                     mi.base.inPixels(tabular.row_info[r].top_space);
4388                 tabular.setRowAscent(r, maxasc + ADD_TO_HEIGHT + top_space);
4389                 int const bottom_space = tabular.row_info[r].bottom_space_default ?
4390                     default_line_space :
4391                     mi.base.inPixels(tabular.row_info[r].bottom_space);
4392                 tabular.setRowDescent(r, maxdes + ADD_TO_HEIGHT + bottom_space);
4393         }
4394
4395         // We need to recalculate the metrics after column width calculation
4396         // with xtabular (possibly multiple times, so the call is recursive).
4397         if (tabular.updateColumnWidths(mi) && tabular.hasVarwidthColumn())
4398                 metrics(mi, dim);
4399         dim.asc = tabular.rowAscent(0) - tabular.offsetVAlignment();
4400         dim.des = tabular.height() - dim.asc;
4401         dim.wid = tabular.width() + 2 * ADD_TO_TABULAR_WIDTH;
4402 }
4403
4404
4405 bool InsetTabular::isCellSelected(Cursor & cur, row_type row, col_type col) const
4406 {
4407         if (&cur.inset() == this && cur.selection()) {
4408                 if (cur.selIsMultiCell()) {
4409                         row_type rs, re;
4410                         col_type cs, ce;
4411                         getSelection(cur, rs, re, cs, ce);
4412
4413                         idx_type const cell = tabular.cellIndex(row, col);
4414                         col_type const cspan = tabular.columnSpan(cell);
4415                         row_type const rspan = tabular.rowSpan(cell);
4416                         if (col + cspan - 1 >= cs && col <= ce
4417                                 && row + rspan - 1 >= rs && row <= re)
4418                                 return true;
4419                 } else
4420                         if (col == tabular.cellColumn(cur.idx())
4421                                 && row == tabular.cellRow(cur.idx())) {
4422                         CursorSlice const & beg = cur.selBegin();
4423                         CursorSlice const & end = cur.selEnd();
4424
4425                         if ((end.lastpos() > 0 || end.lastpit() > 0)
4426                                   && end.pos() == end.lastpos() && beg.pos() == 0
4427                                   && end.pit() == end.lastpit() && beg.pit() == 0)
4428                                 return true;
4429                 }
4430         }
4431         return false;
4432 }
4433
4434
4435 void InsetTabular::draw(PainterInfo & pi, int x, int y) const
4436 {
4437         x += ADD_TO_TABULAR_WIDTH;
4438
4439         BufferView * bv = pi.base.bv;
4440         Cursor & cur = pi.base.bv->cursor();
4441
4442         // FIXME: As the full background is painted in drawBackground(),
4443         // we have no choice but to do a full repaint for the Text cells.
4444         pi.full_repaint = true;
4445
4446         bool const original_selection_state = pi.selected;
4447
4448         idx_type idx = 0;
4449
4450         int yy = y + tabular.offsetVAlignment();
4451         for (row_type r = 0; r < tabular.nrows(); ++r) {
4452                 int nx = x;
4453                 for (col_type c = 0; c < tabular.ncols(); ++c) {
4454                         if (tabular.isPartOfMultiColumn(r, c))
4455                                 continue;
4456
4457                         idx = tabular.cellIndex(r, c);
4458
4459                         if (tabular.isPartOfMultiRow(r, c)) {
4460                                 nx += tabular.cellWidth(idx);
4461                                 continue;
4462                         }
4463
4464                         pi.selected |= isCellSelected(cur, r, c);
4465                         int const cx = nx + tabular.textHOffset(idx);
4466                         int const cy = yy + tabular.textVOffset(idx);
4467                         // Cache the Inset position.
4468                         bv->coordCache().insets().add(cell(idx).get(), cx, cy);
4469                         cell(idx)->draw(pi, cx, cy);
4470                         drawCellLines(pi, nx, yy, r, idx);
4471                         nx += tabular.cellWidth(idx);
4472                         pi.selected = original_selection_state;
4473                 }
4474
4475                 if (r + 1 < tabular.nrows())
4476                         yy += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
4477                                 + tabular.interRowSpace(r + 1);
4478         }
4479 }
4480
4481
4482 void InsetTabular::drawBackground(PainterInfo & pi, int x, int y) const
4483 {
4484         x += ADD_TO_TABULAR_WIDTH;
4485         y += tabular.offsetVAlignment() - tabular.rowAscent(0);
4486         pi.pain.fillRectangle(x, y, tabular.width(), tabular.height(),
4487                 pi.backgroundColor(this));
4488 }
4489
4490
4491 void InsetTabular::drawSelection(PainterInfo & pi, int x, int y) const
4492 {
4493         Cursor & cur = pi.base.bv->cursor();
4494
4495         x += ADD_TO_TABULAR_WIDTH;
4496
4497         if (!cur.selection())
4498                 return;
4499         if (&cur.inset() != this)
4500                 return;
4501
4502         //resetPos(cur);
4503
4504         bool const full_cell_selected = isCellSelected(cur,
4505                 tabular.cellRow(cur.idx()), tabular.cellColumn(cur.idx()));
4506
4507         if (cur.selIsMultiCell() || full_cell_selected) {
4508                 for (row_type r = 0; r < tabular.nrows(); ++r) {
4509                         int xx = x;
4510                         for (col_type c = 0; c < tabular.ncols(); ++c) {
4511                                 if (tabular.isPartOfMultiColumn(r, c))
4512                                         continue;
4513
4514                                 idx_type const cell = tabular.cellIndex(r, c);
4515
4516                                 if (tabular.isPartOfMultiRow(r, c)) {
4517                                         xx += tabular.cellWidth(cell);
4518                                         continue;
4519                                 }
4520                                 int const w = tabular.cellWidth(cell);
4521                                 int const h = tabular.cellHeight(cell);
4522                                 int const yy = y - tabular.rowAscent(r) + tabular.offsetVAlignment();
4523                                 if (isCellSelected(cur, r, c))
4524                                         pi.pain.fillRectangle(xx, yy, w, h, Color_selection);
4525                                 xx += w;
4526                         }
4527                         if (r + 1 < tabular.nrows())
4528                                 y += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
4529                                      + tabular.interRowSpace(r + 1);
4530                 }
4531
4532         }
4533         // FIXME: This code has no effect because InsetTableCell does not handle
4534         // drawSelection other than the trivial implementation in Inset.
4535         //else {
4536         //      x += cellXPos(cur.idx());
4537         //      x += tabular.textHOffset(cur.idx());
4538         //      cell(cur.idx())->drawSelection(pi, x, 0 /* ignored */);
4539         //}
4540 }
4541
4542
4543 namespace {
4544
4545 void tabline(PainterInfo const & pi, int x1, int y1, int x2, int y2, int lt, int rt,
4546              Color const incol, bool drawline, bool heavy = false)
4547 {
4548         Color const col = drawline ? incol : Color_tabularonoffline;
4549         if (drawline && lt > 0)
4550                 pi.pain.line(x1, y1, x1 + lt, y2, pi.textColor(Color_tabularonoffline),
4551                                          Painter::line_onoffdash,
4552                                          Painter::thin_line);
4553         pi.pain.line(x1 + lt, y1, x2 - rt, y2, pi.textColor(col),
4554                                  drawline ? Painter::line_solid : Painter::line_onoffdash,
4555                                  (heavy ? 2 : 1) * Painter::thin_line);
4556         if (drawline && rt > 0)
4557                 pi.pain.line(x2 - rt, y1, x2, y2, pi.textColor(Color_tabularonoffline),
4558                                          Painter::line_onoffdash,
4559                                          Painter::thin_line);
4560 }
4561
4562 }
4563
4564
4565 void InsetTabular::drawCellLines(PainterInfo & pi, int x, int y,
4566                                  row_type row, idx_type cell) const
4567 {
4568         y -= tabular.rowAscent(row);
4569         int const w = tabular.cellWidth(cell);
4570         int const h = tabular.cellHeight(cell);
4571         int lt = 0;
4572         int rt = 0;
4573
4574         col_type const col = tabular.cellColumn(cell);
4575
4576         // Colour the frame if rows/columns are added or deleted
4577         Color colour = Color_tabularline;
4578         if (tabular.column_info[col].change.changed()
4579             || tabular.row_info[row].change.changed())
4580                 colour = InsetTableCell(*tabular.cellInset(cell)).paragraphs().front().lookupChange(0).color();
4581
4582         // Top
4583         bool drawline = tabular.topLine(cell)
4584                 || (row > 0 && tabular.bottomLine(tabular.cellAbove(cell)));
4585         bool heavy = tabular.use_booktabs
4586                         && (row == 0 || (tabular.is_long_tabular && row == 1 && tabular.ltCaption(0)))
4587                         && tabular.rowTopLine(row);
4588         if (tabular.topLineTrim(cell).first
4589             || (row > 0 && tabular.bottomLineTrim(tabular.cellIndex(row - 1, col)).first))
4590                 lt = 10;
4591         if (tabular.topLineTrim(cell).second
4592             || (row > 0 && tabular.bottomLineTrim(tabular.cellIndex(row - 1, col)).second))
4593                 rt = 10;
4594         tabline(pi, x, y, x + w, y, lt, rt, colour, drawline, heavy);
4595
4596         // Bottom
4597         lt = rt = 0;
4598         drawline = tabular.bottomLine(cell);
4599         row_type const lastrow = tabular.nrows() - 1;
4600         // Consider multi-rows
4601         row_type r = row;
4602         while (r < lastrow && tabular.isMultiRow(tabular.cellIndex(r, col))
4603                 && tabular.isPartOfMultiRow(r + 1, col))
4604                 r++;
4605         heavy = tabular.use_booktabs
4606                 && ((row == lastrow && tabular.rowBottomLine(row))
4607                     || (r == lastrow && tabular.rowBottomLine(r)));
4608         if (tabular.bottomLineTrim(cell).first)
4609                 lt = 10;
4610         if (tabular.bottomLineTrim(cell).second)
4611                 rt = 10;
4612         tabline(pi, x, y + h, x + w, y + h, lt, rt, colour, drawline, heavy);
4613
4614         // Left
4615         drawline = tabular.leftLine(cell)
4616                 || (col > 0 && tabular.rightLine(tabular.cellIndex(row, col - 1)));
4617         tabline(pi, x, y, x, y + h, 0, 0, colour, drawline);
4618
4619         // Right
4620         x -= tabular.interColumnSpace(cell);
4621         col_type next_cell_col = col + 1;
4622         while (next_cell_col < tabular.ncols()
4623                 && tabular.isMultiColumn(tabular.cellIndex(row, next_cell_col)))
4624                 next_cell_col++;
4625         drawline = tabular.rightLine(cell)
4626                    || (next_cell_col < tabular.ncols()
4627                        && tabular.leftLine(tabular.cellIndex(row, next_cell_col)));
4628         tabline(pi, x + w, y, x + w, y + h, 0, 0, colour, drawline);
4629 }
4630
4631
4632 void InsetTabular::edit(Cursor & cur, bool front, EntryDirection)
4633 {
4634         //lyxerr << "InsetTabular::edit: " << this << endl;
4635         cur.finishUndo();
4636         cur.push(*this);
4637         if (front) {
4638                 if (isRightToLeft(cur))
4639                         cur.idx() = tabular.getLastCellInRow(0);
4640                 else
4641                         cur.idx() = 0;
4642                 cur.pit() = 0;
4643                 cur.pos() = 0;
4644         } else {
4645                 if (isRightToLeft(cur))
4646                         cur.idx() = tabular.getFirstCellInRow(tabular.nrows() - 1);
4647                 else
4648                         cur.idx() = tabular.numberofcells - 1;
4649                 cur.pit() = 0;
4650                 cur.pos() = cur.lastpos(); // FIXME crude guess
4651         }
4652         cur.setCurrentFont();
4653         // FIXME: this accesses the position cache before it is initialized
4654         //cur.bv().fitCursor();
4655 }
4656
4657
4658 void InsetTabular::updateBuffer(ParIterator const & it, UpdateType utype)
4659 {
4660         // In a longtable, tell captions what the current float is
4661         Counters & cnts = buffer().masterBuffer()->params().documentClass().counters();
4662         string const saveflt = cnts.current_float();
4663         if (tabular.is_long_tabular) {
4664                 cnts.current_float("table");
4665                 // in longtables, we only step the counter once
4666                 cnts.step(from_ascii("table"), utype);
4667                 cnts.isLongtable(true);
4668         }
4669
4670         ParIterator it2 = it;
4671         it2.forwardPos();
4672         size_t const end = it2.nargs();
4673         for ( ; it2.idx() < end; it2.top().forwardIdx())
4674                 buffer().updateBuffer(it2, utype);
4675
4676         //reset afterwards
4677         if (tabular.is_long_tabular) {
4678                 cnts.current_float(saveflt);
4679                 cnts.isLongtable(false);
4680         }
4681 }
4682
4683
4684 void InsetTabular::addToToc(DocIterator const & cpit, bool output_active,
4685                                                         UpdateType utype, TocBackend & backend) const
4686 {
4687         DocIterator dit = cpit;
4688         dit.forwardPos();
4689         size_t const end = dit.nargs();
4690         for ( ; dit.idx() < end; dit.top().forwardIdx())
4691                 cell(dit.idx())->addToToc(dit, output_active, utype, backend);
4692 }
4693
4694
4695 bool InsetTabular::hitSelectRow(BufferView const & bv, int x) const
4696 {
4697         int const x0 = xo(bv) + ADD_TO_TABULAR_WIDTH;
4698         return x < x0 || x > x0 + tabular.width();
4699 }
4700
4701
4702 bool InsetTabular::hitSelectColumn(BufferView const & bv, int y) const
4703 {
4704         int const y0 = yo(bv) - tabular.rowAscent(0) + tabular.offsetVAlignment();
4705         // FIXME: using ADD_TO_TABULAR_WIDTH is not really correct since
4706         // there is no margin added vertically to tabular insets.
4707         // However, it works for now.
4708         return y < y0 + ADD_TO_TABULAR_WIDTH || y > y0 + tabular.height() - ADD_TO_TABULAR_WIDTH;
4709 }
4710
4711
4712 bool InsetTabular::clickable(BufferView const & bv, int x, int y) const
4713 {
4714         return hitSelectRow(bv, x) || hitSelectColumn(bv, y);
4715 }
4716
4717
4718 void InsetTabular::doDispatch(Cursor & cur, FuncRequest & cmd)
4719 {
4720         LYXERR(Debug::DEBUG, "# InsetTabular::doDispatch: cmd: " << cmd
4721                              << "\n  cur:" << cur);
4722         CursorSlice sl = cur.top();
4723         Cursor & bvcur = cur.bv().cursor();
4724
4725         FuncCode const act = cmd.action();
4726
4727         switch (act) {
4728
4729         case LFUN_MOUSE_PRESS: {
4730                 //lyxerr << "# InsetTabular::MousePress\n" << cur.bv().cursor() << endl;
4731                 // select row
4732                 if (hitSelectRow(cur.bv(), cmd.x())) {
4733                         row_type r = rowFromY(cur, cmd.y());
4734                         cur.idx() = tabular.getFirstCellInRow(r);
4735                         cur.pit() = 0;
4736                         cur.pos() = 0;
4737                         cur.resetAnchor();
4738                         cur.idx() = tabular.getLastCellInRow(r);
4739                         cur.pit() = cur.lastpit();
4740                         cur.pos() = cur.lastpos();
4741                         cur.selection(true);
4742                         bvcur = cur;
4743                         rowselect_ = true;
4744                         break;
4745                 }
4746                 // select column
4747                 if (hitSelectColumn(cur.bv(), cmd.y())) {
4748                         col_type c = columnFromX(cur, cmd.x());
4749                         cur.idx() = tabular.cellIndex(0, c);
4750                         cur.pit() = 0;
4751                         cur.pos() = 0;
4752                         cur.resetAnchor();
4753                         cur.idx() = tabular.cellIndex(tabular.nrows() - 1, c);
4754                         cur.pit() = cur.lastpit();
4755                         cur.pos() = cur.lastpos();
4756                         cur.selection(true);
4757                         bvcur = cur;
4758                         colselect_ = true;
4759                         break;
4760                 }
4761                 // do not reset cursor/selection if we have selected
4762                 // some cells (bug 2715).
4763                 if (cmd.button() == mouse_button::button3
4764                     && &bvcur.selBegin().inset() == this
4765                     && bvcur.selIsMultiCell())
4766                         ;
4767                 else
4768                         // Let InsetTableCell do it
4769                         cell(cur.idx())->dispatch(cur, cmd);
4770                 break;
4771         }
4772         case LFUN_MOUSE_MOTION:
4773                 //lyxerr << "# InsetTabular::MouseMotion\n" << bvcur << endl;
4774                 if (cmd.button() == mouse_button::button1) {
4775                         // only accept motions to places not deeper nested than the real anchor
4776                         if (!bvcur.realAnchor().hasPart(cur)) {
4777                                 cur.undispatched();
4778                                 break;
4779                         }
4780                         // select (additional) row
4781                         if (rowselect_) {
4782                                 row_type r = rowFromY(cur, cmd.y());
4783                                 cur.idx() = tabular.getLastCellInRow(r);
4784                                 // we need to reset the cursor's pit and pos now, as the old ones
4785                                 // may no longer be valid.
4786                                 cur.pit() = 0;
4787                                 cur.pos() = 0;
4788                                 bvcur.setCursor(cur);
4789                                 bvcur.selection(true);
4790                                 break;
4791                         }
4792                         // select (additional) column
4793                         if (colselect_) {
4794                                 col_type c = columnFromX(cur, cmd.x());
4795                                 cur.idx() = tabular.cellIndex(tabular.nrows() - 1, c);
4796                                 // we need to reset the cursor's pit and pos now, as the old ones
4797                                 // may no longer be valid.
4798                                 cur.pit() = 0;
4799                                 cur.pos() = 0;
4800                                 bvcur.setCursor(cur);
4801                                 bvcur.selection(true);
4802                                 break;
4803                         }
4804                         // only update if selection changes
4805                         if (bvcur.idx() == cur.idx() &&
4806                                 !(bvcur.realAnchor().idx() == cur.idx() && bvcur.pos() != cur.pos()))
4807                                 cur.noScreenUpdate();
4808                         setCursorFromCoordinates(cur, cmd.x(), cmd.y());
4809                         bvcur.setCursor(cur);
4810                         bvcur.selection(true);
4811                         // if this is a multicell selection, we just set the cursor to
4812                         // the beginning of the cell's text.
4813                         if (bvcur.selIsMultiCell()) {
4814                                 bvcur.pit() = bvcur.lastpit();
4815                                 bvcur.pos() = bvcur.lastpos();
4816                         }
4817                 }
4818                 break;
4819
4820         case LFUN_MOUSE_RELEASE:
4821                 rowselect_ = false;
4822                 colselect_ = false;
4823                 break;
4824
4825         case LFUN_CELL_BACKWARD:
4826                 movePrevCell(cur);
4827                 cur.selection(false);
4828                 break;
4829
4830         case LFUN_CELL_FORWARD:
4831                 moveNextCell(cur);
4832                 cur.selection(false);
4833                 break;
4834
4835         case LFUN_CHAR_FORWARD_SELECT:
4836         case LFUN_CHAR_FORWARD:
4837         case LFUN_CHAR_BACKWARD_SELECT:
4838         case LFUN_CHAR_BACKWARD:
4839         case LFUN_CHAR_RIGHT_SELECT:
4840         case LFUN_CHAR_RIGHT:
4841         case LFUN_CHAR_LEFT_SELECT:
4842         case LFUN_CHAR_LEFT:
4843         case LFUN_WORD_FORWARD:
4844         case LFUN_WORD_FORWARD_SELECT:
4845         case LFUN_WORD_BACKWARD:
4846         case LFUN_WORD_BACKWARD_SELECT:
4847         case LFUN_WORD_RIGHT:
4848         case LFUN_WORD_RIGHT_SELECT:
4849         case LFUN_WORD_LEFT:
4850         case LFUN_WORD_LEFT_SELECT: {
4851                 // determine whether we move to next or previous cell, where to enter
4852                 // the new cell from, and which command to "finish" (i.e., exit the
4853                 // inset) with:
4854                 bool next_cell;
4855                 EntryDirection entry_from = ENTRY_DIRECTION_IGNORE;
4856                 FuncCode finish_lfun;
4857
4858                 if (act == LFUN_CHAR_FORWARD
4859                                 || act == LFUN_CHAR_FORWARD_SELECT
4860                                 || act == LFUN_WORD_FORWARD
4861                                 || act == LFUN_WORD_FORWARD_SELECT) {
4862                         next_cell = true;
4863                         finish_lfun = LFUN_FINISHED_FORWARD;
4864                 }
4865                 else if (act == LFUN_CHAR_BACKWARD
4866                                 || act == LFUN_CHAR_BACKWARD_SELECT
4867                                 || act == LFUN_WORD_BACKWARD
4868                                 || act == LFUN_WORD_BACKWARD_SELECT) {
4869                         next_cell = false;
4870                         finish_lfun = LFUN_FINISHED_BACKWARD;
4871                 }
4872                 // LEFT or RIGHT commands --- the interpretation will depend on the
4873                 // table's direction.
4874                 else {
4875                         bool const right = act == LFUN_CHAR_RIGHT
4876                                 || act == LFUN_CHAR_RIGHT_SELECT
4877                                 || act == LFUN_WORD_RIGHT
4878                                 || act == LFUN_WORD_RIGHT_SELECT;
4879                         next_cell = isRightToLeft(cur) != right;
4880
4881                         if (lyxrc.visual_cursor)
4882                                 entry_from = right ? ENTRY_DIRECTION_LEFT:ENTRY_DIRECTION_RIGHT;
4883
4884                         finish_lfun = right ? LFUN_FINISHED_RIGHT : LFUN_FINISHED_LEFT;
4885                 }
4886
4887                 bool const select =     act == LFUN_CHAR_FORWARD_SELECT
4888                     || act == LFUN_CHAR_BACKWARD_SELECT
4889                     || act == LFUN_CHAR_RIGHT_SELECT
4890                     || act == LFUN_CHAR_LEFT_SELECT
4891                         || act == LFUN_WORD_FORWARD_SELECT
4892                         || act == LFUN_WORD_RIGHT_SELECT
4893                         || act == LFUN_WORD_BACKWARD_SELECT
4894                         || act == LFUN_WORD_LEFT_SELECT;
4895
4896                 // If we have a multicell selection or we're
4897                 // not doing some LFUN_*_SELECT thing anyway...
4898                 if (!cur.selIsMultiCell() || !select) {
4899                         col_type const c = tabular.cellColumn(cur.idx());
4900                         row_type const r = tabular.cellRow(cur.idx());
4901                         // Are we trying to select the whole cell and is the whole cell
4902                         // not yet selected?
4903                         bool const select_whole = select && !isCellSelected(cur, r, c) &&
4904                                 ((next_cell && cur.pit() == cur.lastpit()
4905                                 && cur.pos() == cur.lastpos())
4906                                 || (!next_cell && cur.pit() == 0 && cur.pos() == 0));
4907
4908                         bool const empty_cell = cur.lastpos() == 0 && cur.lastpit() == 0;
4909
4910                         // ...try to dispatch to the cell's inset.
4911                         cell(cur.idx())->dispatch(cur, cmd);
4912
4913                         // When we already have a selection we want to select the whole cell
4914                         // before going to the next cell.
4915                         if (select_whole && !empty_cell){
4916                                 getText(cur.idx())->selectAll(cur);
4917                                 cur.dispatched();
4918                                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
4919                                 break;
4920                         }
4921
4922                         // FIXME: When we support the selection of an empty cell, remove
4923                         // the !empty_cell from this condition. For now we jump to the next
4924                         // cell if the current cell is empty.
4925                         if (cur.result().dispatched() && !empty_cell)
4926                                 break;
4927                 }
4928
4929                 // move to next/prev cell, as appropriate
4930                 // note that we will always do this if we're selecting and we have
4931                 // a multicell selection
4932                 LYXERR(Debug::RTL, "entering " << (next_cell ? "next" : "previous")
4933                         << " cell from: " << int(entry_from));
4934                 if (next_cell)
4935                         moveNextCell(cur, entry_from);
4936                 else
4937                         movePrevCell(cur, entry_from);
4938                 // if we're exiting the table, call the appropriate FINISHED lfun
4939                 if (sl == cur.top()) {
4940                         cmd = FuncRequest(finish_lfun);
4941                         cur.undispatched();
4942                 } else
4943                         cur.dispatched();
4944
4945                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
4946                 break;
4947
4948         }
4949
4950         case LFUN_DOWN_SELECT:
4951         case LFUN_DOWN:
4952                 if (!(cur.selection() && cur.selIsMultiCell()))
4953                         cell(cur.idx())->dispatch(cur, cmd);
4954
4955                 cur.dispatched(); // override the cell's decision
4956                 if (sl == cur.top()) {
4957                         // if our Text didn't do anything to the cursor
4958                         // then we try to put the cursor into the cell below
4959                         // setting also the right targetX.
4960                         cur.selHandle(act == LFUN_DOWN_SELECT);
4961                         if (tabular.cellRow(cur.idx()) != tabular.nrows() - 1) {
4962                                 int const xtarget = cur.targetX();
4963                                 // WARNING: Once cur.idx() has been reset, the cursor is in
4964                                 // an inconsistent state until pos() has been set. Be careful
4965                                 // what you do with it!
4966                                 cur.idx() = tabular.cellBelow(cur.idx());
4967                                 cur.pit() = 0;
4968                                 TextMetrics const & tm =
4969                                         cur.bv().textMetrics(cell(cur.idx())->getText(0));
4970                                 cur.pos() = tm.x2pos(cur.pit(), 0, xtarget);
4971                                 cur.setCurrentFont();
4972                         }
4973                 }
4974                 if (sl == cur.top()) {
4975                         // we trick it to go to forward after leaving the
4976                         // tabular.
4977                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
4978                         cur.undispatched();
4979                 }
4980                 if (cur.selIsMultiCell()) {
4981                         cur.pit() = cur.lastpit();
4982                         cur.pos() = cur.lastpos();
4983                         cur.setCurrentFont();
4984                         cur.screenUpdateFlags(Update::Force | Update::FitCursor);
4985                         return;
4986                 }
4987                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
4988                 break;
4989
4990         case LFUN_UP_SELECT:
4991         case LFUN_UP:
4992                 if (!(cur.selection() && cur.selIsMultiCell()))
4993                         cell(cur.idx())->dispatch(cur, cmd);
4994                 cur.dispatched(); // override the cell's decision
4995                 if (sl == cur.top()) {
4996                         // if our Text didn't do anything to the cursor
4997                         // then we try to put the cursor into the cell above
4998                         // setting also the right targetX.
4999                         cur.selHandle(act == LFUN_UP_SELECT);
5000                         if (tabular.cellRow(cur.idx()) != 0) {
5001                                 int const xtarget = cur.targetX();
5002                                 // WARNING: Once cur.idx() has been reset, the cursor is in
5003                                 // an inconsistent state until pos() has been set. Be careful
5004                                 // what you do with it!
5005                                 cur.idx() = tabular.cellAbove(cur.idx());
5006                                 cur.pit() = cur.lastpit();
5007                                 Text const * text = cell(cur.idx())->getText(0);
5008                                 TextMetrics const & tm = cur.bv().textMetrics(text);
5009                                 ParagraphMetrics const & pm =
5010                                         tm.parMetrics(cur.lastpit());
5011                                 cur.pos() = tm.x2pos(cur.pit(), pm.rows().size()-1, xtarget);
5012                                 cur.setCurrentFont();
5013                         }
5014                 }
5015                 if (sl == cur.top()) {
5016                         cmd = FuncRequest(LFUN_UP);
5017                         cur.undispatched();
5018                 }
5019                 if (cur.selIsMultiCell()) {
5020                         cur.pit() = 0;
5021                         cur.pos() = cur.lastpos();
5022                         cur.setCurrentFont();
5023                         cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5024                         return;
5025                 }
5026                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5027                 break;
5028
5029         case LFUN_LAYOUT_TABULAR:
5030                 cur.bv().showDialog("tabular");
5031                 break;
5032
5033         case LFUN_INSET_MODIFY:
5034                 // we come from the dialog
5035                 if (cmd.getArg(0) == "tabular")
5036                         tabularFeatures(cur, cmd.getLongArg(1));
5037                 else
5038                         cur.undispatched();
5039                 break;
5040
5041         case LFUN_TABULAR_FEATURE:
5042                 tabularFeatures(cur, to_utf8(cmd.argument()));
5043                 break;
5044
5045         // insert file functions
5046         case LFUN_FILE_INSERT_PLAINTEXT_PARA:
5047         case LFUN_FILE_INSERT_PLAINTEXT:
5048                 // FIXME UNICODE
5049                 if (FileName::isAbsolute(to_utf8(cmd.argument()))) {
5050                         docstring const tmpstr = cur.bv().contentsOfPlaintextFile(
5051                                 FileName(to_utf8(cmd.argument())));
5052                         if (tmpstr.empty())
5053                                 break;
5054                         cur.recordUndoInset();
5055                         if (insertPlaintextString(cur.bv(), tmpstr, false)) {
5056                                 // content has been replaced,
5057                                 // so cursor might be invalid
5058                                 cur.pos() = cur.lastpos();
5059                                 cur.pit() = cur.lastpit();
5060                                 bvcur.setCursor(cur);
5061                         } else
5062                                 cur.undispatched();
5063                 }
5064                 break;
5065
5066         case LFUN_CUT:
5067                 if (cur.selIsMultiCell()) {
5068                         if (copySelection(cur)) {
5069                                 cur.recordUndoInset();
5070                                 cutSelection(cur);
5071                         }
5072                 } else
5073                         cell(cur.idx())->dispatch(cur, cmd);
5074                 break;
5075
5076         case LFUN_SELF_INSERT:
5077                 if (cur.selIsMultiCell()) {
5078                         cur.recordUndoInset();
5079                         cutSelection(cur);
5080                         BufferView * bv = &cur.bv();
5081                         docstring::const_iterator cit = cmd.argument().begin();
5082                         docstring::const_iterator const end = cmd.argument().end();
5083                         for (; cit != end; ++cit)
5084                                 bv->translateAndInsert(*cit, getText(cur.idx()), cur);
5085
5086                         cur.resetAnchor();
5087                         bv->bookmarkEditPosition();
5088                 } else
5089                         cell(cur.idx())->dispatch(cur, cmd);
5090                 break;
5091
5092         case LFUN_CHAR_DELETE_BACKWARD:
5093         case LFUN_CHAR_DELETE_FORWARD:
5094                 if (cur.selIsMultiCell()) {
5095                         cur.recordUndoInset();
5096                         cutSelection(cur);
5097                 } else
5098                         cell(cur.idx())->dispatch(cur, cmd);
5099                 break;
5100
5101         case LFUN_COPY:
5102                 if (!cur.selection())
5103                         break;
5104                 if (cur.selIsMultiCell()) {
5105                         cur.finishUndo();
5106                         copySelection(cur);
5107                 } else
5108                         cell(cur.idx())->dispatch(cur, cmd);
5109                 break;
5110
5111         case LFUN_CLIPBOARD_PASTE:
5112         case LFUN_PRIMARY_SELECTION_PASTE: {
5113                 docstring const clip = (act == LFUN_CLIPBOARD_PASTE) ?
5114                         theClipboard().getAsText(Clipboard::PlainTextType) :
5115                         theSelection().get();
5116                 if (clip.empty())
5117                         break;
5118                 // pass to InsertPlaintextString, but
5119                 // only if we have multi-cell content
5120                 if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
5121                         cur.recordUndoInset();
5122                         if (insertPlaintextString(cur.bv(), clip, false)) {
5123                                 // content has been replaced,
5124                                 // so cursor might be invalid
5125                                 cur.pos() = cur.lastpos();
5126                                 cur.pit() = cur.lastpit();
5127                                 bvcur.setCursor(cur);
5128                                 break;
5129                         }
5130                 }
5131                 // Let the cell handle normal text
5132                 cell(cur.idx())->dispatch(cur, cmd);
5133                 break;
5134         }
5135
5136         case LFUN_PASTE:
5137                 if (!tabularStackDirty()) {
5138                         // Check if we have plain text or HTML with rows/columns.
5139                         // and if so, pass over to LFUN_CLIPBOARD_PASTE
5140                         if (theClipboard().hasTextContents(Clipboard::AnyTextType)
5141                             && !theClipboard().hasTextContents(Clipboard::LyXTextType)) {
5142                                 docstring const clip =
5143                                         theClipboard().getAsText(Clipboard::AnyTextType);
5144                                 if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
5145                                         FuncRequest ncmd = FuncRequest(LFUN_CLIPBOARD_PASTE, cmd.argument());
5146                                         doDispatch(cur, ncmd);
5147                                         break;
5148                                 }
5149                         }
5150                         if (!cur.selIsMultiCell())
5151                                 cell(cur.idx())->dispatch(cur, cmd);
5152                         break;
5153                 }
5154                 if (theClipboard().isInternal()) {
5155                         cur.recordUndoInset();
5156                         pasteClipboard(cur);
5157                 }
5158                 break;
5159
5160         case LFUN_CHANGE_ACCEPT:
5161         case LFUN_CHANGE_REJECT:
5162         case LFUN_FONT_EMPH:
5163         case LFUN_FONT_BOLD:
5164         case LFUN_FONT_BOLDSYMBOL:
5165         case LFUN_FONT_ROMAN:
5166         case LFUN_FONT_NOUN:
5167         case LFUN_FONT_ITAL:
5168         case LFUN_FONT_FRAK:
5169         case LFUN_FONT_TYPEWRITER:
5170         case LFUN_FONT_SANS:
5171         case LFUN_TEXTSTYLE_APPLY:
5172         case LFUN_TEXTSTYLE_UPDATE:
5173         case LFUN_FONT_SIZE:
5174         case LFUN_FONT_UNDERLINE:
5175         case LFUN_FONT_STRIKEOUT:
5176         case LFUN_FONT_CROSSOUT:
5177         case LFUN_FONT_UNDERUNDERLINE:
5178         case LFUN_FONT_UNDERWAVE:
5179         case LFUN_LANGUAGE:
5180         case LFUN_PARAGRAPH_PARAMS_APPLY:
5181         case LFUN_PARAGRAPH_PARAMS:
5182         case LFUN_WORD_CAPITALIZE:
5183         case LFUN_WORD_UPCASE:
5184         case LFUN_WORD_LOWCASE:
5185         case LFUN_CHARS_TRANSPOSE: {
5186                 bool const ct = (act == LFUN_CHANGE_ACCEPT || act == LFUN_CHANGE_REJECT);
5187                 if (cur.selIsMultiCell()) {
5188                         row_type rs, re;
5189                         col_type cs, ce;
5190                         getSelection(cur, rs, re, cs, ce);
5191                         Cursor tmpcur = cur;
5192                         for (row_type r = rs; r <= re; ++r) {
5193                                 if (ct && cs == 0 && ce == tabular.ncols() - 1) {
5194                                         // whole row selected
5195                                         if (act == LFUN_CHANGE_ACCEPT) {
5196                                                 if (tabular.row_info[r].change.inserted())
5197                                                         tabular.row_info[r].change.setUnchanged();
5198                                                 else if (tabular.row_info[r].change.deleted()) {
5199                                                         tabular.deleteRow(r, true);
5200                                                         --re;
5201                                                         continue;
5202                                                 }
5203                                         } else {
5204                                                 if (tabular.row_info[r].change.deleted())
5205                                                         tabular.row_info[r].change.setUnchanged();
5206                                                 else if (tabular.row_info[r].change.inserted()) {
5207                                                         tabular.deleteRow(r, true);
5208                                                         --re;
5209                                                         continue;
5210                                                 }
5211                                         }
5212                                 }
5213                                 for (col_type c = cs; c <= ce; ++c) {
5214                                         if (ct && rs == 0 && re == tabular.nrows() - 1) {
5215                                                 // whole col selected
5216                                                 if (act == LFUN_CHANGE_ACCEPT) {
5217                                                         if (tabular.column_info[c].change.inserted())
5218                                                                 tabular.column_info[c].change.setUnchanged();
5219                                                         else if (tabular.column_info[c].change.deleted()) {
5220                                                                 tabular.deleteColumn(c, true);
5221                                                                 --ce;
5222                                                                 continue;
5223                                                         }
5224                                                 } else {
5225                                                         if (tabular.column_info[c].change.deleted())
5226                                                                 tabular.column_info[c].change.setUnchanged();
5227                                                         else if (tabular.column_info[c].change.inserted()) {
5228                                                                 tabular.deleteColumn(c, true);
5229                                                                 --ce;
5230                                                                 continue;
5231                                                         }
5232                                                 }
5233                                         }
5234                                         // cursor follows cell:
5235                                         tmpcur.idx() = tabular.cellIndex(r, c);
5236                                         // select this cell only:
5237                                         tmpcur.pit() = 0;
5238                                         tmpcur.pos() = 0;
5239                                         tmpcur.resetAnchor();
5240                                         tmpcur.pit() = tmpcur.lastpit();
5241                                         tmpcur.pos() = tmpcur.top().lastpos();
5242                                         tmpcur.setCursor(tmpcur);
5243                                         tmpcur.setSelection();
5244                                         cell(tmpcur.idx())->dispatch(tmpcur, cmd);
5245                                 }
5246                         }
5247                         if (ct) {
5248                                 tabular.updateIndexes();
5249                                 // cursor might be invalid
5250                                 cur.fixIfBroken();
5251                                 // change bar might need to be redrawn
5252                                 cur.screenUpdateFlags(Update::Force);
5253                                 cur.forceBufferUpdate();
5254                         }
5255                         break;
5256                 } else {
5257                         cell(cur.idx())->dispatch(cur, cmd);
5258                         break;
5259                 }
5260         }
5261
5262         case LFUN_CHANGE_NEXT:
5263         case LFUN_CHANGE_PREVIOUS: {
5264                 // BufferView::dispatch has already moved the cursor, we just
5265                 // need to select here if we have a changed row or column
5266                 if (tabular.row_info[tabular.cellRow(cur.idx())].change.changed()) {
5267                         // select row
5268                         cur.idx() = tabular.getFirstCellInRow(tabular.cellRow(cur.idx()));
5269                         cur.pit() = 0;
5270                         cur.pos() = 0;
5271                         cur.resetAnchor();
5272                         cur.idx() = tabular.getLastCellInRow(tabular.cellRow(cur.idx()));
5273                         cur.pit() = cur.lastpit();
5274                         cur.pos() = cur.lastpos();
5275                         cur.selection(true);
5276                         bvcur = cur;
5277                         rowselect_ = true;
5278                 }
5279                 else if (tabular.column_info[tabular.cellColumn(cur.idx())].change.changed()) {
5280                         // select column
5281                         cur.idx() = tabular.cellIndex(0, tabular.cellColumn(cur.idx()));
5282                         cur.pit() = 0;
5283                         cur.pos() = 0;
5284                         cur.resetAnchor();
5285                         cur.idx() = tabular.cellIndex(tabular.nrows() - 1, tabular.cellColumn(cur.idx()));
5286                         cur.pit() = cur.lastpit();
5287                         cur.pos() = cur.lastpos();
5288                         cur.selection(true);
5289                         bvcur = cur;
5290                         colselect_ = true;
5291                 }
5292                 break;
5293         }
5294
5295         case LFUN_INSET_SETTINGS:
5296                 // relay this lfun to Inset, not to the cell.
5297                 Inset::doDispatch(cur, cmd);
5298                 break;
5299
5300         default:
5301                 // we try to handle this event in the insets dispatch function.
5302                 cell(cur.idx())->dispatch(cur, cmd);
5303                 break;
5304         }
5305 }
5306
5307
5308 bool InsetTabular::getFeatureStatus(Cursor & cur, string const & s,
5309                       string const & argument, FuncStatus & status) const
5310 {
5311
5312                 int action = Tabular::LAST_ACTION;
5313                 int i = 0;
5314                 for (; tabularFeature[i].action != Tabular::LAST_ACTION; ++i) {
5315                         if (tabularFeature[i].feature == s) {
5316                                 action = tabularFeature[i].action;
5317                                 break;
5318                         }
5319                 }
5320                 if (action == Tabular::LAST_ACTION) {
5321                         status.clear();
5322                         status.setUnknown(true);
5323                         return true;
5324                 }
5325
5326                 row_type sel_row_start = 0;
5327                 row_type sel_row_end = 0;
5328                 col_type sel_col_start = 0;
5329                 col_type sel_col_end = 0;
5330                 Tabular::ltType dummyltt;
5331                 bool flag = true;
5332
5333                 getSelection(cur, sel_row_start, sel_row_end, sel_col_start, sel_col_end);
5334
5335                 switch (action) {
5336                 case Tabular::SET_PWIDTH:
5337                 case Tabular::SET_MPWIDTH:
5338                 case Tabular::TOGGLE_VARWIDTH_COLUMN:
5339                 case Tabular::SET_SPECIAL_COLUMN:
5340                 case Tabular::SET_SPECIAL_MULTICOLUMN:
5341                 case Tabular::APPEND_ROW:
5342                 case Tabular::APPEND_COLUMN:
5343                 case Tabular::DELETE_ROW:
5344                 case Tabular::DELETE_COLUMN:
5345                 case Tabular::COPY_ROW:
5346                 case Tabular::COPY_COLUMN:
5347                 case Tabular::SET_TOP_SPACE:
5348                 case Tabular::SET_BOTTOM_SPACE:
5349                 case Tabular::SET_INTERLINE_SPACE:
5350                         status.clear();
5351                         return true;
5352
5353                 case Tabular::SET_TABULAR_WIDTH:
5354                         status.setEnabled(!tabular.rotate
5355                                 && tabular.tabular_valignment == Tabular::LYX_VALIGN_MIDDLE);
5356                         break;
5357
5358                 case Tabular::MOVE_COLUMN_RIGHT:
5359                 case Tabular::MOVE_COLUMN_LEFT:
5360                 case Tabular::MOVE_ROW_DOWN:
5361                 case Tabular::MOVE_ROW_UP: {
5362                         if (cur.selection()) {
5363                                 status.message(_("Selections not supported."));
5364                                 status.setEnabled(false);
5365                                 break;
5366                         }
5367
5368                         if ((action == Tabular::MOVE_COLUMN_RIGHT &&
5369                                 tabular.ncols() == tabular.cellColumn(cur.idx()) + 1) ||
5370                             (action == Tabular::MOVE_COLUMN_LEFT &&
5371                                 tabular.cellColumn(cur.idx()) == 0) ||
5372                             (action == Tabular::MOVE_ROW_DOWN &&
5373                                 tabular.nrows() == tabular.cellRow(cur.idx()) + 1) ||
5374                             (action == Tabular::MOVE_ROW_UP &&
5375                                 tabular.cellRow(cur.idx()) == 0)) {
5376                                         status.setEnabled(false);
5377                                         break;
5378                         }
5379
5380                         if (action == Tabular::MOVE_COLUMN_RIGHT ||
5381                             action == Tabular::MOVE_COLUMN_LEFT) {
5382                                 if (tabular.hasMultiColumn(tabular.cellColumn(cur.idx())) ||
5383                                     tabular.hasMultiColumn(tabular.cellColumn(cur.idx()) +
5384                                         (action == Tabular::MOVE_COLUMN_RIGHT ? 1 : -1))) {
5385                                         status.message(_("Multi-column in current or"
5386                                                          " destination column."));
5387                                         status.setEnabled(false);
5388                                         break;
5389                                 }
5390                         }
5391
5392                         if (action == Tabular::MOVE_ROW_DOWN ||
5393                             action == Tabular::MOVE_ROW_UP) {
5394                                 if (tabular.hasMultiRow(tabular.cellRow(cur.idx())) ||
5395                                     tabular.hasMultiRow(tabular.cellRow(cur.idx()) +
5396                                         (action == Tabular::MOVE_ROW_DOWN ? 1 : -1))) {
5397                                         status.message(_("Multi-row in current or"
5398                                                          " destination row."));
5399                                         status.setEnabled(false);
5400                                         break;
5401                                 }
5402                         }
5403
5404                         status.setEnabled(true);
5405                         break;
5406                 }
5407
5408                 case Tabular::SET_DECIMAL_POINT:
5409                         status.setEnabled(
5410                                 tabular.getAlignment(cur.idx()) == LYX_ALIGN_DECIMAL);
5411                         break;
5412
5413                 case Tabular::SET_MULTICOLUMN:
5414                 case Tabular::UNSET_MULTICOLUMN:
5415                 case Tabular::MULTICOLUMN:
5416                         // If a row is set as longtable caption, it must not be allowed
5417                         // to unset that this row is a multicolumn.
5418                         status.setEnabled(sel_row_start == sel_row_end
5419                                 && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5420                         status.setOnOff(tabular.isMultiColumn(cur.idx()));
5421                         break;
5422
5423                 case Tabular::SET_MULTIROW:
5424                 case Tabular::UNSET_MULTIROW:
5425                 case Tabular::MULTIROW:
5426                         // If a row is set as longtable caption, it must not be allowed
5427                         // to unset that this row is a multirow.
5428                         status.setEnabled(sel_col_start == sel_col_end
5429                                 && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5430                         status.setOnOff(tabular.isMultiRow(cur.idx()));
5431                         break;
5432
5433                 case Tabular::SET_ALL_LINES:
5434                 case Tabular::UNSET_ALL_LINES:
5435                 case Tabular::SET_INNER_LINES:
5436                 case Tabular::SET_BORDER_LINES:
5437                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5438                         break;
5439
5440                 case Tabular::RESET_FORMAL_DEFAULT:
5441                         status.setEnabled(tabular.use_booktabs);
5442                         break;
5443
5444                 case Tabular::SET_LINE_TOP:
5445                 case Tabular::SET_LINE_BOTTOM:
5446                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5447                         break;
5448
5449                 case Tabular::SET_LINE_LEFT:
5450                 case Tabular::SET_LINE_RIGHT:
5451                         status.setEnabled(!tabular.use_booktabs
5452                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5453                         break;
5454
5455                 case Tabular::SET_LTRIM_TOP:
5456                 case Tabular::SET_RTRIM_TOP:
5457                         status.setEnabled(tabular.use_booktabs
5458                                           && tabular.cellRow(cur.idx()) != 0
5459                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5460                         break;
5461
5462                 case Tabular::SET_LTRIM_BOTTOM:
5463                 case Tabular::SET_RTRIM_BOTTOM:
5464                         status.setEnabled(tabular.use_booktabs
5465                                           && tabular.cellRow(cur.idx()) != tabular.nrows() - 1
5466                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5467                         break;
5468
5469                 case Tabular::TOGGLE_LINE_TOP:
5470                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5471                         status.setOnOff(tabular.topLine(cur.idx()));
5472                         break;
5473
5474                 case Tabular::TOGGLE_LINE_BOTTOM:
5475                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5476                         status.setOnOff(tabular.bottomLine(cur.idx()));
5477                         break;
5478
5479                 case Tabular::TOGGLE_LINE_LEFT:
5480                         status.setEnabled(!tabular.use_booktabs
5481                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5482                         status.setOnOff(tabular.leftLine(cur.idx()));
5483                         break;
5484
5485                 case Tabular::TOGGLE_LINE_RIGHT:
5486                         status.setEnabled(!tabular.use_booktabs
5487                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5488                         status.setOnOff(tabular.rightLine(cur.idx()));
5489                         break;
5490
5491                 case Tabular::TOGGLE_LTRIM_TOP:
5492                         status.setEnabled(tabular.use_booktabs
5493                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5494                         status.setOnOff(tabular.topLineTrim(cur.idx()).first);
5495                         break;
5496
5497                 case Tabular::TOGGLE_RTRIM_TOP:
5498                         status.setEnabled(tabular.use_booktabs
5499                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5500                         status.setOnOff(tabular.topLineTrim(cur.idx()).second);
5501                         break;
5502
5503                 case Tabular::TOGGLE_LTRIM_BOTTOM:
5504                         status.setEnabled(tabular.use_booktabs
5505                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5506                         status.setOnOff(tabular.bottomLineTrim(cur.idx()).first);
5507                         break;
5508
5509                 case Tabular::TOGGLE_RTRIM_BOTTOM:
5510                         status.setEnabled(tabular.use_booktabs
5511                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5512                         status.setOnOff(tabular.bottomLineTrim(cur.idx()).second);
5513                         break;
5514
5515                 // multirow cells only inherit the alignment of the column if the column has
5516                 // no width, otherwise they are left-aligned
5517                 // therefore allow always left but right and center only if there is no width
5518                 case Tabular::M_ALIGN_LEFT:
5519                         flag = false;
5520                         // fall through
5521                 case Tabular::ALIGN_LEFT:
5522                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_LEFT);
5523                         break;
5524
5525                 case Tabular::M_ALIGN_RIGHT:
5526                         flag = false;
5527                         // fall through
5528                 case Tabular::ALIGN_RIGHT:
5529                         status.setEnabled(!(tabular.isMultiRow(cur.idx())
5530                                 && !tabular.getPWidth(cur.idx()).zero()));
5531                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_RIGHT);
5532                         break;
5533
5534                 case Tabular::M_ALIGN_CENTER:
5535                         flag = false;
5536                         // fall through
5537                 case Tabular::ALIGN_CENTER:
5538                         status.setEnabled(!(tabular.isMultiRow(cur.idx())
5539                                 && !tabular.getPWidth(cur.idx()).zero()));
5540                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_CENTER);
5541                         break;
5542
5543                 case Tabular::ALIGN_BLOCK:
5544                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
5545                                 && !tabular.isMultiRow(cur.idx()));
5546                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_BLOCK);
5547                         break;
5548
5549                 case Tabular::ALIGN_DECIMAL:
5550                         status.setEnabled(!tabular.isMultiRow(cur.idx())
5551                                 && !tabular.isMultiColumn(cur.idx()));
5552                         status.setOnOff(tabular.getAlignment(cur.idx(), true) == LYX_ALIGN_DECIMAL);
5553                         break;
5554
5555                 case Tabular::M_VALIGN_TOP:
5556                         flag = false;
5557                         // fall through
5558                 case Tabular::VALIGN_TOP:
5559                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
5560                                 && !tabular.isMultiRow(cur.idx()));
5561                         status.setOnOff(
5562                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_TOP);
5563                         break;
5564
5565                 case Tabular::M_VALIGN_BOTTOM:
5566                         flag = false;
5567                         // fall through
5568                 case Tabular::VALIGN_BOTTOM:
5569                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
5570                                 && !tabular.isMultiRow(cur.idx()));
5571                         status.setOnOff(
5572                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_BOTTOM);
5573                         break;
5574
5575                 case Tabular::M_VALIGN_MIDDLE:
5576                         flag = false;
5577                         // fall through
5578                 case Tabular::VALIGN_MIDDLE:
5579                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
5580                                 && !tabular.isMultiRow(cur.idx()));
5581                         status.setOnOff(
5582                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_MIDDLE);
5583                         break;
5584
5585                 case Tabular::SET_LONGTABULAR:
5586                 case Tabular::TOGGLE_LONGTABULAR:
5587                         // setting as longtable is not allowed when table is inside a float
5588                         if (cur.innerInsetOfType(FLOAT_CODE) != 0
5589                                 || cur.innerInsetOfType(WRAP_CODE) != 0)
5590                                 status.setEnabled(false);
5591                         else
5592                                 status.setEnabled(true);
5593                         status.setOnOff(tabular.is_long_tabular);
5594                         break;
5595
5596                 case Tabular::UNSET_LONGTABULAR:
5597                         status.setOnOff(!tabular.is_long_tabular);
5598                         break;
5599
5600                 case Tabular::TOGGLE_ROTATE_TABULAR:
5601                 case Tabular::SET_ROTATE_TABULAR:
5602                         status.setOnOff(tabular.rotate != 0);
5603                         break;
5604
5605                 case Tabular::TABULAR_VALIGN_TOP:
5606                         status.setEnabled(tabular.tabular_width.zero());
5607                         status.setOnOff(tabular.tabular_valignment
5608                                 == Tabular::LYX_VALIGN_TOP);
5609                         break;
5610                 case Tabular::TABULAR_VALIGN_MIDDLE:
5611                         status.setEnabled(tabular.tabular_width.zero());
5612                         status.setOnOff(tabular.tabular_valignment
5613                                 == Tabular::LYX_VALIGN_MIDDLE);
5614                         break;
5615                 case Tabular::TABULAR_VALIGN_BOTTOM:
5616                         status.setEnabled(tabular.tabular_width.zero());
5617                         status.setOnOff(tabular.tabular_valignment
5618                                 == Tabular::LYX_VALIGN_BOTTOM);
5619                         break;
5620
5621                 case Tabular::LONGTABULAR_ALIGN_LEFT:
5622                         status.setOnOff(tabular.longtabular_alignment
5623                                 == Tabular::LYX_LONGTABULAR_ALIGN_LEFT);
5624                         break;
5625                 case Tabular::LONGTABULAR_ALIGN_CENTER:
5626                         status.setOnOff(tabular.longtabular_alignment
5627                                 == Tabular::LYX_LONGTABULAR_ALIGN_CENTER);
5628                         break;
5629                 case Tabular::LONGTABULAR_ALIGN_RIGHT:
5630                         status.setOnOff(tabular.longtabular_alignment
5631                                 == Tabular::LYX_LONGTABULAR_ALIGN_RIGHT);
5632                         break;
5633
5634                 case Tabular::UNSET_ROTATE_TABULAR:
5635                         status.setOnOff(tabular.rotate == 0);
5636                         break;
5637
5638                 case Tabular::TOGGLE_ROTATE_CELL:
5639                 case Tabular::SET_ROTATE_CELL:
5640                         status.setOnOff(!oneCellHasRotationState(false,
5641                                 sel_row_start, sel_row_end, sel_col_start, sel_col_end));
5642                         break;
5643
5644                 case Tabular::UNSET_ROTATE_CELL:
5645                         status.setOnOff(!oneCellHasRotationState(true,
5646                                 sel_row_start, sel_row_end, sel_col_start, sel_col_end));
5647                         break;
5648
5649                 case Tabular::SET_USEBOX:
5650                         status.setOnOff(convert<int>(argument) == tabular.getUsebox(cur.idx()));
5651                         break;
5652
5653                 // every row can only be one thing:
5654                 // either a footer or header
5655                 case Tabular::SET_LTFIRSTHEAD:
5656                         status.setEnabled(sel_row_start == sel_row_end);
5657                         status.setOnOff(tabular.getRowOfLTFirstHead(sel_row_start, dummyltt));
5658                         break;
5659
5660                 case Tabular::UNSET_LTFIRSTHEAD:
5661                         status.setEnabled(sel_row_start == sel_row_end);
5662                         status.setOnOff(!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt));
5663                         break;
5664
5665                 case Tabular::SET_LTHEAD:
5666                         status.setEnabled(sel_row_start == sel_row_end);
5667                         status.setOnOff(tabular.getRowOfLTHead(sel_row_start, dummyltt));
5668                         break;
5669
5670                 case Tabular::UNSET_LTHEAD:
5671                         status.setEnabled(sel_row_start == sel_row_end);
5672                         status.setOnOff(!tabular.getRowOfLTHead(sel_row_start, dummyltt));
5673                         break;
5674
5675                 case Tabular::SET_LTFOOT:
5676                         status.setEnabled(sel_row_start == sel_row_end);
5677                         status.setOnOff(tabular.getRowOfLTFoot(sel_row_start, dummyltt));
5678                         break;
5679
5680                 case Tabular::UNSET_LTFOOT:
5681                         status.setEnabled(sel_row_start == sel_row_end);
5682                         status.setOnOff(!tabular.getRowOfLTFoot(sel_row_start, dummyltt));
5683                         break;
5684
5685                 case Tabular::SET_LTLASTFOOT:
5686                         status.setEnabled(sel_row_start == sel_row_end);
5687                         status.setOnOff(tabular.getRowOfLTLastFoot(sel_row_start, dummyltt));
5688                         break;
5689
5690                 case Tabular::UNSET_LTLASTFOOT:
5691                         status.setEnabled(sel_row_start == sel_row_end);
5692                         status.setOnOff(!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt));
5693                         break;
5694
5695                 case Tabular::SET_LTNEWPAGE:
5696                         status.setOnOff(tabular.getLTNewPage(sel_row_start));
5697                         break;
5698                 case Tabular::UNSET_LTNEWPAGE:
5699                         status.setOnOff(!tabular.getLTNewPage(sel_row_start));
5700                         break;
5701
5702                 // only one row in head/firsthead/foot/lasthead can be the caption
5703                 // and a multirow cannot be set as caption
5704                 case Tabular::SET_LTCAPTION:
5705                         status.setEnabled(sel_row_start == sel_row_end
5706                                 && (!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt)
5707                                  || !tabular.haveLTCaption(Tabular::CAPTION_FIRSTHEAD))
5708                                 && (!tabular.getRowOfLTHead(sel_row_start, dummyltt)
5709                                  || !tabular.haveLTCaption(Tabular::CAPTION_HEAD))
5710                                 && (!tabular.getRowOfLTFoot(sel_row_start, dummyltt)
5711                                  || !tabular.haveLTCaption(Tabular::CAPTION_FOOT))
5712                                 && (!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt)
5713                                  || !tabular.haveLTCaption(Tabular::CAPTION_LASTFOOT))
5714                                 && !tabular.isMultiRow(sel_row_start));
5715                         status.setOnOff(tabular.ltCaption(sel_row_start));
5716                         break;
5717
5718                 case Tabular::UNSET_LTCAPTION:
5719                         status.setEnabled(sel_row_start == sel_row_end && tabular.ltCaption(sel_row_start));
5720                         break;
5721
5722                 case Tabular::TOGGLE_LTCAPTION:
5723                         status.setEnabled(sel_row_start == sel_row_end && (tabular.ltCaption(sel_row_start)
5724                                 || ((!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt)
5725                                   || !tabular.haveLTCaption(Tabular::CAPTION_FIRSTHEAD))
5726                                  && (!tabular.getRowOfLTHead(sel_row_start, dummyltt)
5727                                   || !tabular.haveLTCaption(Tabular::CAPTION_HEAD))
5728                                  && (!tabular.getRowOfLTFoot(sel_row_start, dummyltt)
5729                                   || !tabular.haveLTCaption(Tabular::CAPTION_FOOT))
5730                                  && (!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt)
5731                                   || !tabular.haveLTCaption(Tabular::CAPTION_LASTFOOT)))));
5732                         status.setOnOff(tabular.ltCaption(sel_row_start));
5733                         break;
5734
5735                 case Tabular::TOGGLE_BOOKTABS:
5736                 case Tabular::SET_BOOKTABS:
5737                         status.setOnOff(tabular.use_booktabs);
5738                         break;
5739
5740                 case Tabular::UNSET_BOOKTABS:
5741                         status.setOnOff(!tabular.use_booktabs);
5742                         break;
5743
5744                 default:
5745                         status.clear();
5746                         status.setEnabled(false);
5747                         break;
5748                 }
5749                 return true;
5750 }
5751
5752
5753 // function sets an object as defined in FuncStatus.h:
5754 // states OK, Unknown, Disabled, On, Off.
5755 bool InsetTabular::getStatus(Cursor & cur, FuncRequest const & cmd,
5756                              FuncStatus & status) const
5757 {
5758         switch (cmd.action()) {
5759         case LFUN_INSET_MODIFY:
5760                 if (cmd.getArg(0) != "tabular")
5761                         break;
5762                 if (cmd.getArg(1) == "for-dialog") {
5763                         // The dialog is asking the status of a command
5764                         if (&cur.inset() != this)
5765                                 break;
5766                         string action = cmd.getArg(2);
5767                         string arg = cmd.getLongArg(3);
5768                         return getFeatureStatus(cur, action, arg, status);
5769                 } else {
5770                         // We always enable the lfun if it is coming from the dialog
5771                         // because the dialog makes sure all the settings are valid,
5772                         // even though the first argument might not be valid now.
5773                         status.setEnabled(true);
5774                         return true;
5775                 }
5776
5777         case LFUN_TABULAR_FEATURE: {
5778                 if (&cur.inset() != this)
5779                         break;
5780                 string action = cmd.getArg(0);
5781                 string arg = cmd.getLongArg(1);
5782                 return getFeatureStatus(cur, action, arg, status);
5783         }
5784
5785         case LFUN_CAPTION_INSERT: {
5786                 // caption is only allowed in caption cell of longtable
5787                 if (!tabular.ltCaption(tabular.cellRow(cur.idx()))) {
5788                         status.setEnabled(false);
5789                         return true;
5790                 }
5791                 // only standard caption is allowed
5792                 string arg = cmd.getArg(0);
5793                 if (!arg.empty() && arg != "Standard") {
5794                         status.setEnabled(false);
5795                         return true;
5796                 }
5797                 // check if there is already a caption
5798                 bool have_caption = false;
5799                 InsetTableCell itc = InsetTableCell(*tabular.cellInset(cur.idx()));
5800                 ParagraphList::const_iterator pit = itc.paragraphs().begin();
5801                 ParagraphList::const_iterator pend = itc.paragraphs().end();
5802                 for (; pit != pend; ++pit) {
5803                         InsetList::const_iterator it  = pit->insetList().begin();
5804                         InsetList::const_iterator end = pit->insetList().end();
5805                         for (; it != end; ++it) {
5806                                 if (it->inset->lyxCode() == CAPTION_CODE) {
5807                                         have_caption = true;
5808                                         break;
5809                                 }
5810                         }
5811                 }
5812                 status.setEnabled(!have_caption);
5813                 return true;
5814         }
5815
5816         // These are only enabled inside tabular
5817         case LFUN_CELL_BACKWARD:
5818         case LFUN_CELL_FORWARD:
5819                 status.setEnabled(true);
5820                 return true;
5821
5822         // disable these with multiple cells selected
5823         case LFUN_INSET_INSERT:
5824         case LFUN_TABULAR_INSERT:
5825         case LFUN_TABULAR_STYLE_INSERT:
5826         case LFUN_FLEX_INSERT:
5827         case LFUN_FLOAT_INSERT:
5828         case LFUN_FLOAT_WIDE_INSERT:
5829         case LFUN_FOOTNOTE_INSERT:
5830         case LFUN_MARGINALNOTE_INSERT:
5831         case LFUN_MATH_INSERT:
5832         case LFUN_MATH_MODE:
5833         case LFUN_MATH_MUTATE:
5834         case LFUN_MATH_DISPLAY:
5835         case LFUN_NOTE_INSERT:
5836         case LFUN_ARGUMENT_INSERT:
5837         case LFUN_BOX_INSERT:
5838         case LFUN_BRANCH_INSERT:
5839         case LFUN_PHANTOM_INSERT:
5840         case LFUN_WRAP_INSERT:
5841         case LFUN_PREVIEW_INSERT:
5842         case LFUN_ERT_INSERT: {
5843                 if (cur.selIsMultiCell()) {
5844                         status.setEnabled(false);
5845                         return true;
5846                 } else
5847                         return cell(cur.idx())->getStatus(cur, cmd, status);
5848         }
5849
5850         case LFUN_CHANGE_ACCEPT:
5851         case LFUN_CHANGE_REJECT: {
5852                 if (cur.selIsMultiCell()) {
5853                         row_type rs, re;
5854                         col_type cs, ce;
5855                         getSelection(cur, rs, re, cs, ce);
5856                         for (row_type r = rs; r <= re; ++r) {
5857                                 if (tabular.row_info[r].change.changed()) {
5858                                         status.setEnabled(true);
5859                                         return true;
5860                                 }
5861                                 for (col_type c = cs; c <= ce; ++c) {
5862                                         if (tabular.column_info[c].change.changed()) {
5863                                                 status.setEnabled(true);
5864                                                 return true;
5865                                         }
5866                                 }
5867                         }
5868                 } else {
5869                         if (tabular.row_info[tabular.cellRow(cur.idx())].change.changed()) {
5870                                 status.setEnabled(true);
5871                                 return true;
5872                         }
5873                         else if (tabular.column_info[tabular.cellColumn(cur.idx())].change.changed()) {
5874                                 status.setEnabled(true);
5875                                 return true;
5876                         }
5877                 }
5878                 return cell(cur.idx())->getStatus(cur, cmd, status);
5879         }
5880
5881         // disable in non-fixed-width cells
5882         case LFUN_PARAGRAPH_BREAK:
5883                 // multirow does not allow paragraph breaks
5884                 if (tabular.isMultiRow(cur.idx())) {
5885                         status.setEnabled(false);
5886                         return true;
5887                 }
5888                 // fall through
5889         case LFUN_NEWLINE_INSERT:
5890                 if ((tabular.isMultiColumn(cur.idx()) || tabular.isMultiRow(cur.idx()))
5891                     && tabular.getPWidth(cur.idx()).zero()) {
5892                         status.setEnabled(false);
5893                         return true;
5894                 }
5895                 return cell(cur.idx())->getStatus(cur, cmd, status);
5896
5897         case LFUN_NEWPAGE_INSERT:
5898                 status.setEnabled(false);
5899                 return true;
5900
5901         case LFUN_PASTE:
5902                 if (tabularStackDirty() && theClipboard().isInternal()) {
5903                         if (cur.selIsMultiCell()) {
5904                                 row_type rs, re;
5905                                 col_type cs, ce;
5906                                 getSelection(cur, rs, re, cs, ce);
5907                                 if (paste_tabular && paste_tabular->ncols() == ce - cs + 1
5908                                           && paste_tabular->nrows() == re - rs + 1)
5909                                         status.setEnabled(true);
5910                                 else {
5911                                         status.setEnabled(false);
5912                                         status.message(_("Selection size should match clipboard content."));
5913                                 }
5914                         } else
5915                                 status.setEnabled(true);
5916                         return true;
5917                 }
5918                 return cell(cur.idx())->getStatus(cur, cmd, status);
5919
5920         case LFUN_INSET_SETTINGS:
5921                 // relay this lfun to Inset, not to the cell.
5922                 return Inset::getStatus(cur, cmd, status);
5923
5924         default:
5925                 // we try to handle this event in the insets dispatch function.
5926                 return cell(cur.idx())->getStatus(cur, cmd, status);
5927         }
5928         return false;
5929 }
5930
5931
5932 Inset::DisplayType InsetTabular::display() const
5933 {
5934                 if (tabular.is_long_tabular) {
5935                         switch (tabular.longtabular_alignment) {
5936                         case Tabular::LYX_LONGTABULAR_ALIGN_LEFT:
5937                                 return AlignLeft;
5938                         case Tabular::LYX_LONGTABULAR_ALIGN_CENTER:
5939                                 return AlignCenter;
5940                         case Tabular::LYX_LONGTABULAR_ALIGN_RIGHT:
5941                                 return AlignRight;
5942                         default:
5943                                 return AlignCenter;
5944                         }
5945                 } else
5946                         return Inline;
5947 }
5948
5949
5950 void InsetTabular::latex(otexstream & os, OutputParams const & runparams) const
5951 {
5952         tabular.latex(os, runparams);
5953 }
5954
5955
5956 int InsetTabular::plaintext(odocstringstream & os,
5957         OutputParams const & runparams, size_t max_length) const
5958 {
5959         os << '\n'; // output table on a new line
5960         int const dp = runparams.linelen > 0 ? runparams.depth : 0;
5961         tabular.plaintext(os, runparams, dp, false, 0, max_length);
5962         return PLAINTEXT_NEWLINE;
5963 }
5964
5965
5966 int InsetTabular::docbook(odocstream & os, OutputParams const & runparams) const
5967 {
5968         int ret = 0;
5969         Inset * master = 0;
5970
5971         // FIXME: Why not pass a proper DocIterator here?
5972 #if 0
5973         // if the table is inside a float it doesn't need the informaltable
5974         // wrapper. Search for it.
5975         for (master = owner(); master; master = master->owner())
5976                 if (master->lyxCode() == FLOAT_CODE)
5977                         break;
5978 #endif
5979
5980         if (!master) {
5981                 os << "<informaltable>";
5982                 ++ret;
5983         }
5984         ret += tabular.docbook(os, runparams);
5985         if (!master) {
5986                 os << "</informaltable>";
5987                 ++ret;
5988         }
5989         return ret;
5990 }
5991
5992
5993 docstring InsetTabular::xhtml(XHTMLStream & xs, OutputParams const & rp) const
5994 {
5995         return tabular.xhtml(xs, rp);
5996 }
5997
5998
5999 void InsetTabular::validate(LaTeXFeatures & features) const
6000 {
6001         tabular.validate(features);
6002         features.useInsetLayout(getLayout());
6003 }
6004
6005
6006 shared_ptr<InsetTableCell const> InsetTabular::cell(idx_type idx) const
6007 {
6008         return tabular.cellInset(idx);
6009 }
6010
6011
6012 shared_ptr<InsetTableCell> InsetTabular::cell(idx_type idx)
6013 {
6014         return tabular.cellInset(idx);
6015 }
6016
6017
6018 void InsetTabular::cursorPos(BufferView const & bv,
6019                 CursorSlice const & sl, bool boundary, int & x, int & y) const
6020 {
6021         cell(sl.idx())->cursorPos(bv, sl, boundary, x, y);
6022
6023         // y offset     correction
6024         y += cellYPos(sl.idx());
6025         y += tabular.textVOffset(sl.idx());
6026         y += tabular.offsetVAlignment();
6027
6028         // x offset correction
6029         x += cellXPos(sl.idx());
6030         x += tabular.textHOffset(sl.idx());
6031         x += ADD_TO_TABULAR_WIDTH;
6032 }
6033
6034
6035 int InsetTabular::dist(BufferView & bv, idx_type const cell, int x, int y) const
6036 {
6037         int xx = 0;
6038         int yy = 0;
6039         Inset const & inset = *tabular.cellInset(cell);
6040         Point o = bv.coordCache().getInsets().xy(&inset);
6041         int const xbeg = o.x_ - tabular.textHOffset(cell);
6042         int const xend = xbeg + tabular.cellWidth(cell);
6043         row_type const row = tabular.cellRow(cell);
6044         int const ybeg = o.y_ - tabular.rowAscent(row)
6045                 - tabular.interRowSpace(row) - tabular.textVOffset(cell);
6046         int const yend = ybeg + tabular.cellHeight(cell);
6047
6048         if (x < xbeg)
6049                 xx = xbeg - x;
6050         else if (x > xend)
6051                 xx = x - xend;
6052
6053         if (y < ybeg)
6054                 yy = ybeg - y;
6055         else if (y > yend)
6056                 yy = y - yend;
6057
6058         //lyxerr << " xbeg=" << xbeg << "  xend=" << xend
6059         //       << " ybeg=" << ybeg << " yend=" << yend
6060         //       << " xx=" << xx << " yy=" << yy
6061         //       << " dist=" << xx + yy << endl;
6062         return xx + yy;
6063 }
6064
6065
6066 Inset * InsetTabular::editXY(Cursor & cur, int x, int y)
6067 {
6068         //lyxerr << "InsetTabular::editXY: " << this << endl;
6069         cur.push(*this);
6070         cur.idx() = getNearestCell(cur.bv(), x, y);
6071         return cur.bv().textMetrics(&cell(cur.idx())->text()).editXY(cur, x, y);
6072 }
6073
6074
6075 void InsetTabular::setCursorFromCoordinates(Cursor & cur, int x, int y) const
6076 {
6077         cur.idx() = getNearestCell(cur.bv(), x, y);
6078         cur.bv().textMetrics(&cell(cur.idx())->text()).setCursorFromCoordinates(cur, x, y);
6079 }
6080
6081
6082 InsetTabular::idx_type InsetTabular::getNearestCell(BufferView & bv, int x, int y) const
6083 {
6084         idx_type idx_min = 0;
6085         int dist_min = numeric_limits<int>::max();
6086         for (idx_type i = 0, n = nargs(); i != n; ++i) {
6087                 if (bv.coordCache().getInsets().has(tabular.cellInset(i).get())) {
6088                         int const d = dist(bv, i, x, y);
6089                         if (d < dist_min) {
6090                                 dist_min = d;
6091                                 idx_min = i;
6092                         }
6093                 }
6094         }
6095         return idx_min;
6096 }
6097
6098
6099 int InsetTabular::cellYPos(idx_type const cell) const
6100 {
6101         row_type row = tabular.cellRow(cell);
6102         int ly = 0;
6103         for (row_type r = 0; r < row; ++r)
6104                 ly += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
6105                         + tabular.interRowSpace(r + 1);
6106         return ly;
6107 }
6108
6109
6110 int InsetTabular::cellXPos(idx_type const cell) const
6111 {
6112         col_type col = tabular.cellColumn(cell);
6113         int lx = 0;
6114         for (col_type c = 0; c < col; ++c)
6115                 lx += tabular.column_info[c].width;
6116         return lx;
6117 }
6118
6119
6120 void InsetTabular::moveNextCell(Cursor & cur, EntryDirection entry_from)
6121 {
6122         row_type const row = tabular.cellRow(cur.idx());
6123         col_type const col = tabular.cellColumn(cur.idx());
6124
6125         if (isRightToLeft(cur)) {
6126                 if (tabular.cellColumn(cur.idx()) == 0) {
6127                         if (row == tabular.nrows() - 1)
6128                                 return;
6129                         cur.idx() = tabular.cellBelow(tabular.getLastCellInRow(row));
6130                 } else {
6131                         if (cur.idx() == 0)
6132                                 return;
6133                         if (col == 0)
6134                                 cur.idx() = tabular.getLastCellInRow(row - 1);
6135                         else
6136                                 cur.idx() = tabular.cellIndex(row, col - 1);
6137                 }
6138         } else {
6139                 if (tabular.isLastCell(cur.idx()))
6140                         return;
6141                 if (cur.idx() == tabular.getLastCellInRow(row))
6142                         cur.idx() = tabular.cellIndex(row + 1, 0);
6143                 else {
6144                         col_type const colnextcell = col + tabular.columnSpan(cur.idx());
6145                         cur.idx() = tabular.cellIndex(row, colnextcell);
6146                 }
6147         }
6148
6149         cur.boundary(false);
6150
6151         if (cur.selIsMultiCell()) {
6152                 cur.pit() = cur.lastpit();
6153                 cur.pos() = cur.lastpos();
6154                 return;
6155         }
6156
6157         cur.pit() = 0;
6158         cur.pos() = 0;
6159
6160         // in visual mode, place cursor at extreme left or right
6161
6162         switch(entry_from) {
6163
6164         case ENTRY_DIRECTION_RIGHT:
6165                 cur.posVisToRowExtremity(false /* !left */);
6166                 break;
6167         case ENTRY_DIRECTION_LEFT:
6168                 cur.posVisToRowExtremity(true /* left */);
6169                 break;
6170         case ENTRY_DIRECTION_IGNORE:
6171                 // nothing to do in this case
6172                 break;
6173
6174         }
6175         cur.setCurrentFont();
6176 }
6177
6178
6179 void InsetTabular::movePrevCell(Cursor & cur, EntryDirection entry_from)
6180 {
6181         row_type const row = tabular.cellRow(cur.idx());
6182         col_type const col = tabular.cellColumn(cur.idx());
6183
6184         if (isRightToLeft(cur)) {
6185                 if (cur.idx() == tabular.getLastCellInRow(row)) {
6186                         if (row == 0)
6187                                 return;
6188                         cur.idx() = tabular.getFirstCellInRow(row);
6189                         cur.idx() = tabular.cellAbove(cur.idx());
6190                 } else {
6191                         if (tabular.isLastCell(cur.idx()))
6192                                 return;
6193                         if (cur.idx() == tabular.getLastCellInRow(row))
6194                                 cur.idx() = tabular.cellIndex(row + 1, 0);
6195                         else
6196                                 cur.idx() = tabular.cellIndex(row, col + 1);
6197                 }
6198         } else {
6199                 if (cur.idx() == 0) // first cell
6200                         return;
6201                 if (col == 0)
6202                         cur.idx() = tabular.getLastCellInRow(row - 1);
6203                 else
6204                         cur.idx() = tabular.cellIndex(row, col - 1);
6205         }
6206
6207         if (cur.selIsMultiCell()) {
6208                 cur.pit() = cur.lastpit();
6209                 cur.pos() = cur.lastpos();
6210                 return;
6211         }
6212
6213         cur.pit() = cur.lastpit();
6214         cur.pos() = cur.lastpos();
6215
6216         // in visual mode, place cursor at extreme left or right
6217
6218         switch(entry_from) {
6219
6220         case ENTRY_DIRECTION_RIGHT:
6221                 cur.posVisToRowExtremity(false /* !left */);
6222                 break;
6223         case ENTRY_DIRECTION_LEFT:
6224                 cur.posVisToRowExtremity(true /* left */);
6225                 break;
6226         case ENTRY_DIRECTION_IGNORE:
6227                 // nothing to do in this case
6228                 break;
6229
6230         }
6231         cur.setCurrentFont();
6232 }
6233
6234
6235 void InsetTabular::tabularFeatures(Cursor & cur, string const & argument)
6236 {
6237         cur.recordUndoInset(this);
6238
6239         istringstream is(argument);
6240         // limit the size of strings we read to avoid memory problems
6241         is >> setw(65636);
6242         string s;
6243         // Safe guard.
6244         size_t safe_guard = 0;
6245         for (;;) {
6246                 if (is.eof())
6247                         return;
6248                 safe_guard++;
6249                 if (safe_guard > 1000) {
6250                         LYXERR0("parameter max count reached!");
6251                         return;
6252                 }
6253                 is >> s;
6254                 Tabular::Feature action = Tabular::LAST_ACTION;
6255
6256                 size_t i = 0;
6257                 for (; tabularFeature[i].action != Tabular::LAST_ACTION; ++i) {
6258                         if (s != tabularFeature[i].feature)
6259                                 continue;
6260                         action = tabularFeature[i].action;
6261                         break;
6262                 }
6263                 if (action == Tabular::LAST_ACTION) {
6264                         LYXERR0("Feature not found " << s);
6265                         continue;
6266                 }
6267                 string val;
6268                 if (tabularFeature[i].need_value)
6269                         is >> val;
6270                 LYXERR(Debug::DEBUG, "Feature: " << s << "\t\tvalue: " << val);
6271                 tabularFeatures(cur, action, val);
6272         }
6273 }
6274
6275
6276 static void checkLongtableSpecial(Tabular::ltType & ltt,
6277                           string const & special, bool & flag)
6278 {
6279         if (special == "dl_above") {
6280                 ltt.topDL = flag;
6281                 ltt.set = false;
6282         } else if (special == "dl_below") {
6283                 ltt.bottomDL = flag;
6284                 ltt.set = false;
6285         } else if (special == "empty") {
6286                 ltt.empty = flag;
6287                 ltt.set = false;
6288         } else if (flag) {
6289                 ltt.empty = false;
6290                 ltt.set = true;
6291         }
6292 }
6293
6294
6295 bool InsetTabular::oneCellHasRotationState(bool rotated,
6296                 row_type row_start, row_type row_end,
6297                 col_type col_start, col_type col_end) const
6298 {
6299         for (row_type r = row_start; r <= row_end; ++r)
6300                 for (col_type c = col_start; c <= col_end; ++c)
6301                         if (rotated) {
6302                                 if (tabular.getRotateCell(tabular.cellIndex(r, c)) != 0)
6303                                         return true;
6304                         } else {
6305                                 if (tabular.getRotateCell(tabular.cellIndex(r, c)) == 0)
6306                                         return true;
6307                         }
6308         return false;
6309 }
6310
6311
6312 void InsetTabular::tabularFeatures(Cursor & cur,
6313         Tabular::Feature feature, string const & value)
6314 {
6315         col_type sel_col_start;
6316         col_type sel_col_end;
6317         row_type sel_row_start;
6318         row_type sel_row_end;
6319         bool setLines = false;
6320         bool setLinesInnerOnly = false;
6321         LyXAlignment setAlign = LYX_ALIGN_LEFT;
6322         Tabular::VAlignment setVAlign = Tabular::LYX_VALIGN_TOP;
6323
6324         switch (feature) {
6325
6326         case Tabular::M_ALIGN_LEFT:
6327         case Tabular::ALIGN_LEFT:
6328                 setAlign = LYX_ALIGN_LEFT;
6329                 break;
6330
6331         case Tabular::M_ALIGN_RIGHT:
6332         case Tabular::ALIGN_RIGHT:
6333                 setAlign = LYX_ALIGN_RIGHT;
6334                 break;
6335
6336         case Tabular::M_ALIGN_CENTER:
6337         case Tabular::ALIGN_CENTER:
6338                 setAlign = LYX_ALIGN_CENTER;
6339                 break;
6340
6341         case Tabular::ALIGN_BLOCK:
6342                 setAlign = LYX_ALIGN_BLOCK;
6343                 break;
6344
6345         case Tabular::ALIGN_DECIMAL:
6346                 setAlign = LYX_ALIGN_DECIMAL;
6347                 break;
6348
6349         case Tabular::M_VALIGN_TOP:
6350         case Tabular::VALIGN_TOP:
6351                 setVAlign = Tabular::LYX_VALIGN_TOP;
6352                 break;
6353
6354         case Tabular::M_VALIGN_BOTTOM:
6355         case Tabular::VALIGN_BOTTOM:
6356                 setVAlign = Tabular::LYX_VALIGN_BOTTOM;
6357                 break;
6358
6359         case Tabular::M_VALIGN_MIDDLE:
6360         case Tabular::VALIGN_MIDDLE:
6361                 setVAlign = Tabular::LYX_VALIGN_MIDDLE;
6362                 break;
6363
6364         default:
6365                 break;
6366         }
6367
6368         getSelection(cur, sel_row_start, sel_row_end, sel_col_start, sel_col_end);
6369         row_type const row = tabular.cellRow(cur.idx());
6370         col_type const column = tabular.cellColumn(cur.idx());
6371         bool flag = true;
6372         Tabular::ltType ltt;
6373
6374         switch (feature) {
6375
6376         case Tabular::SET_TABULAR_WIDTH:
6377                 tabular.setTabularWidth(Length(value));
6378                 break;
6379
6380         case Tabular::SET_PWIDTH: {
6381                 Length const len(value);
6382                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6383                         tabular.setColumnPWidth(cur, tabular.cellIndex(row, c), len);
6384                         if (len.zero()
6385                             && tabular.getAlignment(tabular.cellIndex(row, c), true) == LYX_ALIGN_BLOCK)
6386                                 tabularFeatures(cur, Tabular::ALIGN_CENTER, string());
6387                 }
6388                 break;
6389         }
6390
6391         case Tabular::SET_MPWIDTH:
6392                 tabular.setMColumnPWidth(cur, cur.idx(), Length(value));
6393                 break;
6394
6395         case Tabular::TOGGLE_VARWIDTH_COLUMN: {
6396                 bool const varwidth = value == "on";
6397                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6398                         tabular.toggleVarwidth(tabular.cellIndex(row, c), varwidth);
6399                 break;
6400         }
6401
6402         case Tabular::SET_MROFFSET:
6403                 tabular.setMROffset(cur, cur.idx(), Length(value));
6404                 break;
6405
6406         case Tabular::SET_SPECIAL_COLUMN:
6407         case Tabular::SET_SPECIAL_MULTICOLUMN:
6408                 if (value == "none")
6409                         tabular.setAlignSpecial(cur.idx(), docstring(), feature);
6410                 else
6411                         tabular.setAlignSpecial(cur.idx(), from_utf8(value), feature);
6412                 break;
6413
6414         case Tabular::APPEND_ROW:
6415                 // append the row into the tabular
6416                 tabular.appendRow(row);
6417                 break;
6418
6419         case Tabular::APPEND_COLUMN:
6420                 // append the column into the tabular
6421                 tabular.appendColumn(column);
6422                 cur.idx() = tabular.cellIndex(row, column);
6423                 break;
6424
6425         case Tabular::DELETE_ROW:
6426                 if (sel_row_end == tabular.nrows() - 1 && sel_row_start != 0) {
6427                         for (col_type c = 0; c < tabular.ncols(); c++) {
6428                                 tabular.setBottomLine(tabular.cellIndex(sel_row_start - 1, c),
6429                                         tabular.bottomLine(tabular.cellIndex(sel_row_end, c)));
6430                                 tabular.setBottomLineTrim(tabular.cellIndex(sel_row_start - 1, c),
6431                                         tabular.bottomLineTrim(tabular.cellIndex(sel_row_end, c)));
6432                         }
6433                 }
6434
6435                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6436                         tabular.deleteRow(sel_row_start);
6437                 if (sel_row_start >= tabular.nrows())
6438                         --sel_row_start;
6439                 cur.idx() = tabular.cellIndex(sel_row_start, column);
6440                 cur.pit() = 0;
6441                 cur.pos() = 0;
6442                 cur.selection(false);
6443                 break;
6444
6445         case Tabular::DELETE_COLUMN:
6446                 if (sel_col_end == tabular.ncols() - 1 && sel_col_start != 0) {
6447                         for (row_type r = 0; r < tabular.nrows(); r++)
6448                                 tabular.setRightLine(tabular.cellIndex(r, sel_col_start - 1),
6449                                         tabular.rightLine(tabular.cellIndex(r, sel_col_end)));
6450                 }
6451
6452                 if (sel_col_start == 0 && sel_col_end != tabular.ncols() - 1) {
6453                         for (row_type r = 0; r < tabular.nrows(); r++)
6454                                 tabular.setLeftLine(tabular.cellIndex(r, sel_col_end + 1),
6455                                         tabular.leftLine(tabular.cellIndex(r, 0)));
6456                 }
6457
6458                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6459                         tabular.deleteColumn(sel_col_start);
6460                 if (sel_col_start >= tabular.ncols())
6461                         --sel_col_start;
6462                 cur.idx() = tabular.cellIndex(row, sel_col_start);
6463                 cur.pit() = 0;
6464                 cur.pos() = 0;
6465                 cur.selection(false);
6466                 break;
6467
6468         case Tabular::COPY_ROW:
6469                 tabular.copyRow(row);
6470                 break;
6471
6472         case Tabular::COPY_COLUMN:
6473                 tabular.copyColumn(column);
6474                 cur.idx() = tabular.cellIndex(row, column);
6475                 break;
6476
6477         case Tabular::MOVE_COLUMN_RIGHT:
6478                 tabular.moveColumn(column, Tabular::RIGHT);
6479                 cur.idx() = tabular.cellIndex(row, column + 1);
6480                 break;
6481
6482         case Tabular::MOVE_COLUMN_LEFT:
6483                 tabular.moveColumn(column, Tabular::LEFT);
6484                 cur.idx() = tabular.cellIndex(row, column - 1);
6485                 break;
6486
6487         case Tabular::MOVE_ROW_DOWN:
6488                 tabular.moveRow(row, Tabular::DOWN);
6489                 cur.idx() = tabular.cellIndex(row + 1, column);
6490                 break;
6491
6492         case Tabular::MOVE_ROW_UP:
6493                 tabular.moveRow(row, Tabular::UP);
6494                 cur.idx() = tabular.cellIndex(row - 1, column);
6495                 break;
6496
6497         case Tabular::SET_LINE_TOP:
6498         case Tabular::TOGGLE_LINE_TOP: {
6499                 bool lineSet = (feature == Tabular::SET_LINE_TOP)
6500                                ? (value == "true") : !tabular.topLine(cur.idx());
6501                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6502                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6503                                 tabular.setTopLine(tabular.cellIndex(r, c), lineSet);
6504                 break;
6505         }
6506
6507         case Tabular::SET_LINE_BOTTOM:
6508         case Tabular::TOGGLE_LINE_BOTTOM: {
6509                 bool lineSet = (feature == Tabular::SET_LINE_BOTTOM)
6510                                ? (value == "true") : !tabular.bottomLine(cur.idx());
6511                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6512                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6513                                 tabular.setBottomLine(tabular.cellIndex(r, c), lineSet);
6514                 break;
6515         }
6516
6517         case Tabular::SET_LTRIM_TOP:
6518         case Tabular::TOGGLE_LTRIM_TOP: {
6519                 bool l = (feature == Tabular::SET_LTRIM_TOP)
6520                                ? (value == "true") : !tabular.topLineTrim(cur.idx()).first;
6521                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6522                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6523                                 tabular.setTopLineLTrim(tabular.cellIndex(r, c), l);
6524                 break;
6525         }
6526
6527         case Tabular::SET_RTRIM_TOP:
6528         case Tabular::TOGGLE_RTRIM_TOP: {
6529                 bool l = (feature == Tabular::SET_RTRIM_TOP)
6530                                ? (value == "true") : !tabular.topLineTrim(cur.idx()).second;
6531                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6532                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6533                                 tabular.setTopLineRTrim(tabular.cellIndex(r, c), l);
6534                 break;
6535         }
6536
6537         case Tabular::SET_LTRIM_BOTTOM:
6538         case Tabular::TOGGLE_LTRIM_BOTTOM: {
6539                 bool l = (feature == Tabular::SET_LTRIM_BOTTOM)
6540                                ? (value == "true") : !tabular.bottomLineTrim(cur.idx()).first;
6541                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6542                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6543                                 tabular.setBottomLineLTrim(tabular.cellIndex(r, c), l);
6544                 break;
6545         }
6546
6547         case Tabular::SET_RTRIM_BOTTOM:
6548         case Tabular::TOGGLE_RTRIM_BOTTOM: {
6549                 bool l = (feature == Tabular::SET_RTRIM_BOTTOM)
6550                                ? (value == "true") : !tabular.bottomLineTrim(cur.idx()).second;
6551                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6552                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6553                                 tabular.setBottomLineRTrim(tabular.cellIndex(r, c), l);
6554                 break;
6555         }
6556
6557         case Tabular::SET_LINE_LEFT:
6558         case Tabular::TOGGLE_LINE_LEFT: {
6559                 bool lineSet = (feature == Tabular::SET_LINE_LEFT)
6560                                ? (value == "true") : !tabular.leftLine(cur.idx());
6561                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6562                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6563                                 tabular.setLeftLine(tabular.cellIndex(r, c), lineSet);
6564                 break;
6565         }
6566
6567         case Tabular::SET_LINE_RIGHT:
6568         case Tabular::TOGGLE_LINE_RIGHT: {
6569                 bool lineSet = (feature == Tabular::SET_LINE_RIGHT)
6570                                ? (value == "true") : !tabular.rightLine(cur.idx());
6571                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6572                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6573                                 tabular.setRightLine(tabular.cellIndex(r, c), lineSet);
6574                 break;
6575         }
6576
6577         case Tabular::M_ALIGN_LEFT:
6578         case Tabular::M_ALIGN_RIGHT:
6579         case Tabular::M_ALIGN_CENTER:
6580         case Tabular::ALIGN_LEFT:
6581         case Tabular::ALIGN_RIGHT:
6582         case Tabular::ALIGN_CENTER:
6583         case Tabular::ALIGN_BLOCK:
6584         case Tabular::ALIGN_DECIMAL:
6585                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6586                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6587                                 tabular.setAlignment(tabular.cellIndex(r, c), setAlign,
6588                                 !tabular.getPWidth(c).zero());
6589                 break;
6590
6591         case Tabular::M_VALIGN_TOP:
6592         case Tabular::M_VALIGN_BOTTOM:
6593         case Tabular::M_VALIGN_MIDDLE:
6594                 flag = false;
6595                 // fall through
6596         case Tabular::VALIGN_TOP:
6597         case Tabular::VALIGN_BOTTOM:
6598         case Tabular::VALIGN_MIDDLE:
6599                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6600                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6601                                 tabular.setVAlignment(tabular.cellIndex(r, c), setVAlign, flag);
6602                 break;
6603
6604         case Tabular::SET_MULTICOLUMN: {
6605                 if (!cur.selection()) {
6606                         // just multicol for one single cell
6607                         // check whether we are completely in a multicol
6608                         if (!tabular.isMultiColumn(cur.idx()))
6609                                 tabular.setMultiColumn(cur, cur.idx(), 1,
6610                                         tabular.rightLine(cur.idx()));
6611                         break;
6612                 }
6613                 // we have a selection so this means we just add all these
6614                 // cells to form a multicolumn cell
6615                 idx_type const s_start = cur.selBegin().idx();
6616                 row_type const col_start = tabular.cellColumn(s_start);
6617                 row_type const col_end = tabular.cellColumn(cur.selEnd().idx());
6618                 cur.idx() = tabular.setMultiColumn(cur, s_start, col_end - col_start + 1,
6619                                                    tabular.rightLine(cur.selEnd().idx()));
6620                 cur.pit() = 0;
6621                 cur.pos() = 0;
6622                 cur.selection(false);
6623                 break;
6624         }
6625
6626         case Tabular::UNSET_MULTICOLUMN: {
6627                 if (!cur.selection()) {
6628                         if (tabular.isMultiColumn(cur.idx()))
6629                                 tabular.unsetMultiColumn(cur.idx());
6630                 }
6631                 break;
6632         }
6633
6634         case Tabular::MULTICOLUMN: {
6635                 if (!cur.selection()) {
6636                         if (tabular.isMultiColumn(cur.idx()))
6637                                 tabularFeatures(cur, Tabular::UNSET_MULTICOLUMN);
6638                         else
6639                                 tabularFeatures(cur, Tabular::SET_MULTICOLUMN);
6640                         break;
6641                 }
6642                 bool merge = false;
6643                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6644                         row_type const r = sel_row_start;
6645                         if (!tabular.isMultiColumn(tabular.cellIndex(r, c))
6646                             || (r > sel_row_start && !tabular.isPartOfMultiColumn(r, c)))
6647                                 merge = true;
6648                 }
6649                 // If the selection contains at least one singlecol cell
6650                 // or multiple multicol cells,
6651                 // we assume the user will merge is to a single multicol
6652                 if (merge)
6653                         tabularFeatures(cur, Tabular::SET_MULTICOLUMN);
6654                 else
6655                         tabularFeatures(cur, Tabular::UNSET_MULTICOLUMN);
6656                 break;
6657         }
6658
6659         case Tabular::SET_MULTIROW: {
6660                 if (!cur.selection()) {
6661                         // just multirow for one single cell
6662                         // check whether we are completely in a multirow
6663                         if (!tabular.isMultiRow(cur.idx()))
6664                                 tabular.setMultiRow(cur, cur.idx(), 1,
6665                                                     tabular.bottomLine(cur.idx()),
6666                                                     tabular.getAlignment(cur.idx()));
6667                         break;
6668                 }
6669                 // we have a selection so this means we just add all this
6670                 // cells to form a multirow cell
6671                 idx_type const s_start = cur.selBegin().idx();
6672                 row_type const row_start = tabular.cellRow(s_start);
6673                 row_type const row_end = tabular.cellRow(cur.selEnd().idx());
6674                 cur.idx() = tabular.setMultiRow(cur, s_start, row_end - row_start + 1,
6675                                                 tabular.bottomLine(cur.selEnd().idx()),
6676                                                 tabular.getAlignment(cur.selEnd().idx()));
6677                 cur.pit() = 0;
6678                 cur.pos() = 0;
6679                 cur.selection(false);
6680                 break;
6681         }
6682
6683         case Tabular::UNSET_MULTIROW: {
6684                 if (!cur.selection()) {
6685                         if (tabular.isMultiRow(cur.idx()))
6686                                 tabular.unsetMultiRow(cur.idx());
6687                 }
6688                 break;
6689         }
6690
6691         case Tabular::MULTIROW: {
6692                 if (!cur.selection()) {
6693                         if (tabular.isMultiRow(cur.idx()))
6694                                 tabularFeatures(cur, Tabular::UNSET_MULTIROW);
6695                         else
6696                                 tabularFeatures(cur, Tabular::SET_MULTIROW);
6697                         break;
6698                 }
6699                 bool merge = false;
6700                 for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6701                         col_type const c = sel_col_start;
6702                         if (!tabular.isMultiRow(tabular.cellIndex(r, c))
6703                             || (r > sel_row_start && !tabular.isPartOfMultiRow(r, c)))
6704                                 merge = true;
6705                 }
6706                 // If the selection contains at least one singlerow cell
6707                 // or multiple multirow cells,
6708                 // we assume the user will merge is to a single multirow
6709                 if (merge)
6710                         tabularFeatures(cur, Tabular::SET_MULTIROW);
6711                 else
6712                         tabularFeatures(cur, Tabular::UNSET_MULTIROW);
6713                 break;
6714         }
6715
6716         case Tabular::SET_INNER_LINES:
6717                 setLinesInnerOnly = true;
6718                 // fall through
6719         case Tabular::SET_ALL_LINES:
6720                 setLines = true;
6721                 // fall through
6722         case Tabular::UNSET_ALL_LINES:
6723                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6724                         for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6725                                 idx_type const cell = tabular.cellIndex(r, c);
6726                                 if (!setLinesInnerOnly || r != sel_row_start)
6727                                         tabular.setTopLine(cell, setLines);
6728                                 if ((!setLinesInnerOnly || r != sel_row_end)
6729                                     && (!setLines || r == sel_row_end))
6730                                         tabular.setBottomLine(cell, setLines);
6731                                 if ((!setLinesInnerOnly || c != sel_col_end)
6732                                     && (!setLines || c == sel_col_end))
6733                                         tabular.setRightLine(cell, setLines);
6734                                 if ((!setLinesInnerOnly || c != sel_col_start))
6735                                         tabular.setLeftLine(cell, setLines);
6736                         }
6737                 break;
6738
6739         case Tabular::RESET_FORMAL_DEFAULT:
6740                 for (row_type r = 0; r < tabular.nrows(); ++r) {
6741                         bool const head_or_foot = r == 0 || r == tabular.nrows() - 1;
6742                         for (col_type c = 0; c < tabular.ncols(); ++c) {
6743                                 idx_type const cell = tabular.cellIndex(r, c);
6744                                 tabular.setTopLine(cell, head_or_foot);
6745                                 tabular.setBottomLine(cell, head_or_foot);
6746                         }
6747                 }
6748                 break;
6749
6750         case Tabular::SET_BORDER_LINES:
6751                 for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6752                         tabular.setLeftLine(tabular.cellIndex(r, sel_col_start), true);
6753                         tabular.setRightLine(tabular.cellIndex(r, sel_col_end), true);
6754                 }
6755                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6756                         tabular.setTopLine(tabular.cellIndex(sel_row_start, c), true);
6757                         tabular.setBottomLine(tabular.cellIndex(sel_row_end, c), true);
6758                 }
6759                 break;
6760
6761         case Tabular::TOGGLE_LONGTABULAR:
6762                 if (tabular.is_long_tabular)
6763                         tabularFeatures(cur, Tabular::UNSET_LONGTABULAR);
6764                 else
6765                         tabular.is_long_tabular = true;
6766                 break;
6767
6768         case Tabular::SET_LONGTABULAR:
6769                 tabular.is_long_tabular = true;
6770                 break;
6771
6772         case Tabular::UNSET_LONGTABULAR:
6773                 for (row_type r = 0; r < tabular.nrows(); ++r) {
6774                         if (tabular.ltCaption(r)) {
6775                                 cur.idx() = tabular.cellIndex(r, 0);
6776                                 cur.pit() = 0;
6777                                 cur.pos() = 0;
6778                                 tabularFeatures(cur, Tabular::TOGGLE_LTCAPTION);
6779                         }
6780                 }
6781                 tabular.is_long_tabular = false;
6782                 break;
6783
6784         case Tabular::SET_ROTATE_TABULAR:
6785                 tabular.rotate = convert<int>(value);
6786                 break;
6787
6788         case Tabular::UNSET_ROTATE_TABULAR:
6789                 tabular.rotate = 0;
6790                 break;
6791
6792         case Tabular::TOGGLE_ROTATE_TABULAR:
6793                 // when pressing the rotate button we default to 90° rotation
6794                 tabular.rotate != 0 ? tabular.rotate = 0 : tabular.rotate = 90;
6795                 break;
6796
6797         case Tabular::TABULAR_VALIGN_TOP:
6798                 tabular.tabular_valignment = Tabular::LYX_VALIGN_TOP;
6799                 break;
6800
6801         case Tabular::TABULAR_VALIGN_MIDDLE:
6802                 tabular.tabular_valignment = Tabular::LYX_VALIGN_MIDDLE;
6803                 break;
6804
6805         case Tabular::TABULAR_VALIGN_BOTTOM:
6806                 tabular.tabular_valignment = Tabular::LYX_VALIGN_BOTTOM;
6807                 break;
6808
6809         case Tabular::LONGTABULAR_ALIGN_LEFT:
6810                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_LEFT;
6811                 break;
6812
6813         case Tabular::LONGTABULAR_ALIGN_CENTER:
6814                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_CENTER;
6815                 break;
6816
6817         case Tabular::LONGTABULAR_ALIGN_RIGHT:
6818                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_RIGHT;
6819                 break;
6820
6821         case Tabular::SET_ROTATE_CELL:
6822                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6823                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6824                                 tabular.setRotateCell(tabular.cellIndex(r, c), convert<int>(value));
6825                 break;
6826
6827         case Tabular::UNSET_ROTATE_CELL:
6828                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6829                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6830                                 tabular.setRotateCell(tabular.cellIndex(r, c), 0);
6831                 break;
6832
6833         case Tabular::TOGGLE_ROTATE_CELL:
6834                 {
6835                 bool oneNotRotated = oneCellHasRotationState(false,
6836                         sel_row_start, sel_row_end, sel_col_start, sel_col_end);
6837
6838                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6839                         for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6840                                 // when pressing the rotate cell button we default to 90° rotation
6841                                 if (oneNotRotated)
6842                                         tabular.setRotateCell(tabular.cellIndex(r, c), 90);
6843                                 else
6844                                         tabular.setRotateCell(tabular.cellIndex(r, c), 0);
6845                         }
6846                 }
6847                 break;
6848
6849         case Tabular::SET_USEBOX: {
6850                 Tabular::BoxType val = Tabular::BoxType(convert<int>(value));
6851                 if (val == tabular.getUsebox(cur.idx()))
6852                         val = Tabular::BOX_NONE;
6853                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6854                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6855                                 tabular.setUsebox(tabular.cellIndex(r, c), val);
6856                 break;
6857         }
6858
6859         case Tabular::UNSET_LTFIRSTHEAD:
6860                 flag = false;
6861                 // fall through
6862         case Tabular::SET_LTFIRSTHEAD:
6863                 tabular.getRowOfLTFirstHead(row, ltt);
6864                 checkLongtableSpecial(ltt, value, flag);
6865                 tabular.setLTHead(row, flag, ltt, true);
6866                 break;
6867
6868         case Tabular::UNSET_LTHEAD:
6869                 flag = false;
6870                 // fall through
6871         case Tabular::SET_LTHEAD:
6872                 tabular.getRowOfLTHead(row, ltt);
6873                 checkLongtableSpecial(ltt, value, flag);
6874                 tabular.setLTHead(row, flag, ltt, false);
6875                 break;
6876
6877         case Tabular::UNSET_LTFOOT:
6878                 flag = false;
6879                 // fall through
6880         case Tabular::SET_LTFOOT:
6881                 tabular.getRowOfLTFoot(row, ltt);
6882                 checkLongtableSpecial(ltt, value, flag);
6883                 tabular.setLTFoot(row, flag, ltt, false);
6884                 break;
6885
6886         case Tabular::UNSET_LTLASTFOOT:
6887                 flag = false;
6888                 // fall through
6889         case Tabular::SET_LTLASTFOOT:
6890                 tabular.getRowOfLTLastFoot(row, ltt);
6891                 checkLongtableSpecial(ltt, value, flag);
6892                 tabular.setLTFoot(row, flag, ltt, true);
6893                 break;
6894
6895         case Tabular::UNSET_LTNEWPAGE:
6896                 flag = false;
6897                 // fall through
6898         case Tabular::SET_LTNEWPAGE:
6899                 tabular.setLTNewPage(row, flag);
6900                 break;
6901
6902         case Tabular::SET_LTCAPTION: {
6903                 if (tabular.ltCaption(row))
6904                         break;
6905                 cur.idx() = tabular.setLTCaption(cur, row, true);
6906                 cur.pit() = 0;
6907                 cur.pos() = 0;
6908                 cur.selection(false);
6909                 // If a row is set as caption, then also insert
6910                 // a caption. Otherwise the LaTeX output is broken.
6911                 // Select cell if it is non-empty
6912                 if (cur.lastpos() > 0 || cur.lastpit() > 0)
6913                         lyx::dispatch(FuncRequest(LFUN_INSET_SELECT_ALL));
6914                 lyx::dispatch(FuncRequest(LFUN_CAPTION_INSERT));
6915                 break;
6916         }
6917
6918         case Tabular::UNSET_LTCAPTION: {
6919                 if (!tabular.ltCaption(row))
6920                         break;
6921                 cur.idx() = tabular.setLTCaption(cur, row, false);
6922                 cur.pit() = 0;
6923                 cur.pos() = 0;
6924                 cur.selection(false);
6925                 FuncRequest fr(LFUN_INSET_DISSOLVE, "caption");
6926                 if (lyx::getStatus(fr).enabled())
6927                         lyx::dispatch(fr);
6928                 break;
6929         }
6930
6931         case Tabular::TOGGLE_LTCAPTION: {
6932                 if (tabular.ltCaption(row))
6933                         tabularFeatures(cur, Tabular::UNSET_LTCAPTION);
6934                 else
6935                         tabularFeatures(cur, Tabular::SET_LTCAPTION);
6936                 break;
6937         }
6938
6939         case Tabular::TOGGLE_BOOKTABS:
6940                 tabular.use_booktabs = !tabular.use_booktabs;
6941                 break;
6942
6943         case Tabular::SET_BOOKTABS:
6944                 tabular.use_booktabs = true;
6945                 break;
6946
6947         case Tabular::UNSET_BOOKTABS:
6948                 tabular.use_booktabs = false;
6949                 break;
6950
6951         case Tabular::SET_TOP_SPACE: {
6952                 Length len;
6953                 if (value == "default")
6954                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6955                                 tabular.row_info[r].top_space_default = true;
6956                 else if (value == "none")
6957                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6958                                 tabular.row_info[r].top_space_default = false;
6959                                 tabular.row_info[r].top_space = len;
6960                         }
6961                 else if (isValidLength(value, &len))
6962                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6963                                 tabular.row_info[r].top_space_default = false;
6964                                 tabular.row_info[r].top_space = len;
6965                         }
6966                 break;
6967         }
6968
6969         case Tabular::SET_BOTTOM_SPACE: {
6970                 Length len;
6971                 if (value == "default")
6972                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6973                                 tabular.row_info[r].bottom_space_default = true;
6974                 else if (value == "none")
6975                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6976                                 tabular.row_info[r].bottom_space_default = false;
6977                                 tabular.row_info[r].bottom_space = len;
6978                         }
6979                 else if (isValidLength(value, &len))
6980                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6981                                 tabular.row_info[r].bottom_space_default = false;
6982                                 tabular.row_info[r].bottom_space = len;
6983                         }
6984                 break;
6985         }
6986
6987         case Tabular::SET_INTERLINE_SPACE: {
6988                 Length len;
6989                 if (value == "default")
6990                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6991                                 tabular.row_info[r].interline_space_default = true;
6992                 else if (value == "none")
6993                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6994                                 tabular.row_info[r].interline_space_default = false;
6995                                 tabular.row_info[r].interline_space = len;
6996                         }
6997                 else if (isValidLength(value, &len))
6998                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6999                                 tabular.row_info[r].interline_space_default = false;
7000                                 tabular.row_info[r].interline_space = len;
7001                         }
7002                 break;
7003         }
7004
7005         case Tabular::SET_DECIMAL_POINT:
7006                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
7007                         tabular.column_info[c].decimal_point = from_utf8(value);
7008                 break;
7009
7010         // dummy stuff just to avoid warnings
7011         case Tabular::LAST_ACTION:
7012                 break;
7013         }
7014 }
7015
7016
7017 bool InsetTabular::copySelection(Cursor & cur)
7018 {
7019         if (!cur.selection())
7020                 return false;
7021
7022         row_type rs, re;
7023         col_type cs, ce;
7024         getSelection(cur, rs, re, cs, ce);
7025
7026         paste_tabular.reset(new Tabular(tabular));
7027
7028         for (row_type r = 0; r < rs; ++r)
7029                 paste_tabular->deleteRow(0);
7030
7031         row_type const rows = re - rs + 1;
7032         while (paste_tabular->nrows() > rows)
7033                 paste_tabular->deleteRow(rows);
7034
7035         for (col_type c = 0; c < cs; ++c)
7036                 paste_tabular->deleteColumn(0);
7037
7038         col_type const columns = ce - cs + 1;
7039         while (paste_tabular->ncols() > columns)
7040                 paste_tabular->deleteColumn(columns);
7041
7042         paste_tabular->setBuffer(tabular.buffer());
7043
7044         odocstringstream os;
7045         OutputParams const runparams(0);
7046         paste_tabular->plaintext(os, runparams, 0, true, '\t', INT_MAX);
7047         // Needed for the "Edit->Paste recent" menu and the system clipboard.
7048         cap::copySelection(cur, os.str());
7049
7050         // mark tabular stack dirty
7051         // FIXME: this is a workaround for bug 1919. Should be removed for 1.5,
7052         // when we (hopefully) have a one-for-all paste mechanism.
7053         // This must be called after cap::copySelection.
7054         dirtyTabularStack(true);
7055
7056         return true;
7057 }
7058
7059
7060 bool InsetTabular::pasteClipboard(Cursor & cur)
7061 {
7062         if (!paste_tabular)
7063                 return false;
7064         col_type actcol = tabular.cellColumn(cur.idx());
7065         row_type actrow = tabular.cellRow(cur.idx());
7066
7067         if (cur.selIsMultiCell()) {
7068                 row_type re;
7069                 col_type ce;
7070                 getSelection(cur, actrow, re, actcol, ce);
7071         }
7072
7073         for (row_type r1 = 0, r2 = actrow;
7074              r1 < paste_tabular->nrows() && r2 < tabular.nrows();
7075              ++r1, ++r2) {
7076                 for (col_type c1 = 0, c2 = actcol;
7077                     c1 < paste_tabular->ncols() && c2 < tabular.ncols();
7078                     ++c1, ++c2) {
7079                         if (paste_tabular->isPartOfMultiColumn(r1, c1) &&
7080                               tabular.isPartOfMultiColumn(r2, c2))
7081                                 continue;
7082                         if (paste_tabular->isPartOfMultiColumn(r1, c1)) {
7083                                 --c2;
7084                                 continue;
7085                         }
7086                         if (tabular.isPartOfMultiColumn(r2, c2)) {
7087                                 --c1;
7088                                 continue;
7089                         }
7090                         shared_ptr<InsetTableCell> inset(
7091                                 new InsetTableCell(*paste_tabular->cellInset(r1, c1)));
7092                         tabular.setCellInset(r2, c2, inset);
7093                         // FIXME?: why do we need to do this explicitly? (EL)
7094                         tabular.cellInset(r2, c2)->setBuffer(tabular.buffer());
7095
7096                         // FIXME: change tracking (MG)
7097                         inset->setChange(Change(buffer().params().track_changes ?
7098                                                 Change::INSERTED : Change::UNCHANGED));
7099                         cur.pos() = 0;
7100                         cur.pit() = 0;
7101                 }
7102         }
7103         return true;
7104 }
7105
7106
7107 void InsetTabular::cutSelection(Cursor & cur)
7108 {
7109         if (!cur.selection())
7110                 return;
7111
7112         row_type rs, re;
7113         col_type cs, ce;
7114         getSelection(cur, rs, re, cs, ce);
7115         for (row_type r = rs; r <= re; ++r) {
7116                 for (col_type c = cs; c <= ce; ++c) {
7117                         shared_ptr<InsetTableCell> t
7118                                 = cell(tabular.cellIndex(r, c));
7119                         if (buffer().params().track_changes)
7120                                 // FIXME: Change tracking (MG)
7121                                 t->setChange(Change(Change::DELETED));
7122                         else
7123                                 t->clear();
7124                 }
7125         }
7126
7127         // cursor position might be invalid now
7128         if (cur.pit() > cur.lastpit())
7129                 cur.pit() = cur.lastpit();
7130         if (cur.pos() > cur.lastpos())
7131                 cur.pos() = cur.lastpos();
7132         cur.clearSelection();
7133 }
7134
7135
7136 bool InsetTabular::isRightToLeft(Cursor & cur) const
7137 {
7138         // LASSERT: It might be better to abandon this Buffer.
7139         LASSERT(cur.depth() > 1, return false);
7140         Paragraph const & parentpar = cur[cur.depth() - 2].paragraph();
7141         pos_type const parentpos = cur[cur.depth() - 2].pos();
7142         return parentpar.getFontSettings(buffer().params(),
7143                                          parentpos).language()->rightToLeft();
7144 }
7145
7146
7147 docstring InsetTabular::asString(idx_type stidx, idx_type enidx,
7148                                  bool intoInsets)
7149 {
7150         LASSERT(stidx <= enidx, return docstring());
7151         docstring retval;
7152         col_type const col1 = tabular.cellColumn(stidx);
7153         col_type const col2 = tabular.cellColumn(enidx);
7154         row_type const row1 = tabular.cellRow(stidx);
7155         row_type const row2 = tabular.cellRow(enidx);
7156         bool first = true;
7157         for (col_type col = col1; col <= col2; col++)
7158                 for (row_type row = row1; row <= row2; row++) {
7159                         if (!first)
7160                                 retval += "\n";
7161                         else
7162                                 first = false;
7163                         retval += tabular.cellInset(row, col)->asString(intoInsets);
7164                 }
7165         return retval;
7166 }
7167
7168
7169 void InsetTabular::getSelection(Cursor & cur,
7170         row_type & rs, row_type & re, col_type & cs, col_type & ce) const
7171 {
7172         CursorSlice const & beg = cur.selBegin();
7173         CursorSlice const & end = cur.selEnd();
7174         cs = tabular.cellColumn(beg.idx());
7175         ce = tabular.cellColumn(end.idx());
7176         if (cs > ce)
7177                 swap(cs, ce);
7178
7179         rs = tabular.cellRow(beg.idx());
7180         re = tabular.cellRow(end.idx());
7181         if (rs > re)
7182                 swap(rs, re);
7183 }
7184
7185
7186 Text * InsetTabular::getText(int idx) const
7187 {
7188         return size_t(idx) < nargs() ? cell(idx)->getText(0) : 0;
7189 }
7190
7191
7192 bool InsetTabular::isChanged() const
7193 {
7194         for (idx_type idx = 0; idx < nargs(); ++idx) {
7195                 if (cell(idx)->isChanged())
7196                         return true;
7197                 if (tabular.row_info[tabular.cellRow(idx)].change.changed())
7198                         return true;
7199                 if (tabular.column_info[tabular.cellColumn(idx)].change.changed())
7200                         return true;
7201         }
7202         return false;
7203 }
7204
7205
7206 void InsetTabular::setChange(Change const & change)
7207 {
7208         for (idx_type idx = 0; idx < nargs(); ++idx)
7209                 cell(idx)->setChange(change);
7210 }
7211
7212
7213 void InsetTabular::acceptChanges()
7214 {
7215         for (idx_type idx = 0; idx < nargs(); ++idx)
7216                 cell(idx)->acceptChanges();
7217         for (row_type row = 0; row < tabular.nrows(); ++row) {
7218                 if (tabular.row_info[row].change.inserted())
7219                         tabular.row_info[row].change.setUnchanged();
7220                 else if (tabular.row_info[row].change.deleted())
7221                         tabular.deleteRow(row, true);
7222         }
7223         for (col_type col = 0; col < tabular.ncols(); ++col) {
7224                 if (tabular.column_info[col].change.inserted())
7225                         tabular.column_info[col].change.setUnchanged();
7226                 else if (tabular.column_info[col].change.deleted())
7227                         tabular.deleteColumn(col, true);
7228         }
7229         tabular.updateIndexes();
7230 }
7231
7232
7233 void InsetTabular::rejectChanges()
7234 {
7235         for (idx_type idx = 0; idx < nargs(); ++idx)
7236                 cell(idx)->rejectChanges();
7237         for (row_type row = 0; row < tabular.nrows(); ++row) {
7238                 if (tabular.row_info[row].change.deleted())
7239                         tabular.row_info[row].change.setUnchanged();
7240                 else if (tabular.row_info[row].change.inserted())
7241                         tabular.deleteRow(row, true);
7242         }
7243         for (col_type col = 0; col < tabular.ncols(); ++col) {
7244                 if (tabular.column_info[col].change.deleted())
7245                         tabular.column_info[col].change.setUnchanged();
7246                 else if (tabular.column_info[col].change.inserted())
7247                         tabular.deleteColumn(col, true);
7248         }
7249         tabular.updateIndexes();
7250 }
7251
7252
7253 bool InsetTabular::allowParagraphCustomization(idx_type cell) const
7254 {
7255         return tabular.getPWidth(cell).zero();
7256 }
7257
7258
7259 bool InsetTabular::forcePlainLayout(idx_type cell) const
7260 {
7261         return tabular.isMultiColumn(cell) && !tabular.getPWidth(cell).zero();
7262 }
7263
7264
7265 bool InsetTabular::insertPlaintextString(BufferView & bv, docstring const & buf,
7266                                      bool usePaste)
7267 {
7268         if (buf.length() <= 0)
7269                 return true;
7270
7271         col_type cols = 1;
7272         row_type rows = 1;
7273         col_type maxCols = 1;
7274         size_t const len = buf.length();
7275         size_t p = 0;
7276
7277         while (p < len &&
7278                (p = buf.find_first_of(from_ascii("\t\n"), p)) != docstring::npos) {
7279                 switch (buf[p]) {
7280                 case '\t':
7281                         ++cols;
7282                         break;
7283                 case '\n':
7284                         if (p + 1 < len)
7285                                 ++rows;
7286                         maxCols = max(cols, maxCols);
7287                         cols = 1;
7288                         break;
7289                 }
7290                 ++p;
7291         }
7292         maxCols = max(cols, maxCols);
7293         Tabular * loctab;
7294         idx_type cell = 0;
7295         col_type ocol = 0;
7296         row_type row = 0;
7297         if (usePaste) {
7298                 paste_tabular.reset(new Tabular(buffer_, rows, maxCols));
7299                 loctab = paste_tabular.get();
7300                 dirtyTabularStack(true);
7301         } else {
7302                 loctab = &tabular;
7303                 cell = bv.cursor().idx();
7304                 ocol = tabular.cellColumn(cell);
7305                 row = tabular.cellRow(cell);
7306         }
7307
7308         size_t op = 0;
7309         idx_type cells = loctab->numberofcells;
7310         p = 0;
7311         cols = ocol;
7312         rows = loctab->nrows();
7313         col_type columns = loctab->ncols();
7314
7315         while (p < len &&
7316                (p = buf.find_first_of(from_ascii("\t\n"), p)) != docstring::npos)
7317         {
7318                 if (p >= len)
7319                         break;
7320                 switch (buf[p]) {
7321                 case '\t':
7322                         // append column if necessary
7323                         if (cols == columns) {
7324                                 loctab->appendColumn(cols - 1);
7325                                 columns = loctab->ncols();
7326                                 cells = loctab->numberofcells;
7327                                 ++cell;
7328                         }
7329                         if (cols < columns) {
7330                                 shared_ptr<InsetTableCell> inset = loctab->cellInset(cell);
7331                                 Font const font = bv.textMetrics(&inset->text()).
7332                                         displayFont(0, 0);
7333                                 inset->setText(buf.substr(op, p - op), font,
7334                                                buffer().params().track_changes);
7335                                 ++cols;
7336                                 ++cell;
7337                         }
7338                         break;
7339                 case '\n':
7340                         // we can only set this if we are not too far right
7341                         if (cols < columns) {
7342                                 shared_ptr<InsetTableCell> inset = tabular.cellInset(cell);
7343                                 Font const font = bv.textMetrics(&inset->text()).
7344                                         displayFont(0, 0);
7345                                 inset->setText(buf.substr(op, p - op), font,
7346                                                buffer().params().track_changes);
7347                         }
7348                         cols = ocol;
7349                         ++row;
7350                         // append row if necessary
7351                         if (row == rows && p < len - 1) {
7352                                 loctab->appendRow(row - 1);
7353                                 rows = loctab->nrows();
7354                                 cells = loctab->numberofcells;
7355                         }
7356                         if (row < rows)
7357                                 cell = loctab->cellIndex(row, cols);
7358                         break;
7359                 }
7360                 ++p;
7361                 op = p;
7362         }
7363         // check for the last cell if there is no trailing '\n'
7364         if (cell < cells && op < len) {
7365                 shared_ptr<InsetTableCell> inset = loctab->cellInset(cell);
7366                 Font const font = bv.textMetrics(&inset->text()).displayFont(0, 0);
7367                 inset->setText(buf.substr(op, len - op), font,
7368                         buffer().params().track_changes);
7369         }
7370         return true;
7371 }
7372
7373
7374 void InsetTabular::addPreview(DocIterator const & inset_pos,
7375         PreviewLoader & loader) const
7376 {
7377         DocIterator cell_pos = inset_pos;
7378
7379         cell_pos.push_back(CursorSlice(*const_cast<InsetTabular *>(this)));
7380         for (row_type r = 0; r < tabular.nrows(); ++r) {
7381                 for (col_type c = 0; c < tabular.ncols(); ++c) {
7382                         cell_pos.top().idx() = tabular.cellIndex(r, c);
7383                         tabular.cellInset(r, c)->addPreview(cell_pos, loader);
7384                 }
7385         }
7386 }
7387
7388
7389 bool InsetTabular::completionSupported(Cursor const & cur) const
7390 {
7391         Cursor const & bvCur = cur.bv().cursor();
7392         if (&bvCur.inset() != this)
7393                 return false;
7394         return cur.text()->completionSupported(cur);
7395 }
7396
7397
7398 bool InsetTabular::inlineCompletionSupported(Cursor const & cur) const
7399 {
7400         return completionSupported(cur);
7401 }
7402
7403
7404 bool InsetTabular::automaticInlineCompletion() const
7405 {
7406         return lyxrc.completion_inline_text;
7407 }
7408
7409
7410 bool InsetTabular::automaticPopupCompletion() const
7411 {
7412         return lyxrc.completion_popup_text;
7413 }
7414
7415
7416 bool InsetTabular::showCompletionCursor() const
7417 {
7418         return lyxrc.completion_cursor_text;
7419 }
7420
7421
7422 CompletionList const * InsetTabular::createCompletionList(Cursor const & cur) const
7423 {
7424         return completionSupported(cur) ? cur.text()->createCompletionList(cur) : 0;
7425 }
7426
7427
7428 docstring InsetTabular::completionPrefix(Cursor const & cur) const
7429 {
7430         if (!completionSupported(cur))
7431                 return docstring();
7432         return cur.text()->completionPrefix(cur);
7433 }
7434
7435
7436 bool InsetTabular::insertCompletion(Cursor & cur, docstring const & s, bool finished)
7437 {
7438         if (!completionSupported(cur))
7439                 return false;
7440
7441         return cur.text()->insertCompletion(cur, s, finished);
7442 }
7443
7444
7445 void InsetTabular::completionPosAndDim(Cursor const & cur, int & x, int & y,
7446                                     Dimension & dim) const
7447 {
7448         TextMetrics const & tm = cur.bv().textMetrics(cur.text());
7449         tm.completionPosAndDim(cur, x, y, dim);
7450 }
7451
7452
7453 void InsetTabular::string2params(string const & in, InsetTabular & inset)
7454 {
7455         istringstream data(in);
7456         Lexer lex;
7457         lex.setStream(data);
7458
7459         if (in.empty())
7460                 return;
7461
7462         string token;
7463         lex >> token;
7464         if (!lex || token != "tabular") {
7465                 LYXERR0("Expected arg 1 to be \"tabular\" in " << in);
7466                 return;
7467         }
7468
7469         // This is part of the inset proper that is usually swallowed
7470         // by Buffer::readInset
7471         lex >> token;
7472         if (!lex || token != "Tabular") {
7473                 LYXERR0("Expected arg 2 to be \"Tabular\" in " << in);
7474                 return;
7475         }
7476
7477         inset.read(lex);
7478 }
7479
7480
7481 string InsetTabular::params2string(InsetTabular const & inset)
7482 {
7483         ostringstream data;
7484         data << "tabular" << ' ';
7485         inset.write(data);
7486         data << "\\end_inset\n";
7487         return data.str();
7488 }
7489
7490
7491 void InsetTabular::setLayoutForHiddenCells(DocumentClass const & dc)
7492 {
7493         for (Tabular::col_type c = 0; c < tabular.ncols(); ++c) {
7494                 for (Tabular::row_type r = 0; r < tabular.nrows(); ++r) {
7495                         if (!tabular.isPartOfMultiColumn(r,c) &&
7496                             !tabular.isPartOfMultiRow(r,c))
7497                                 continue;
7498
7499                         ParagraphList & parlist = tabular.cellInset(r,c)->paragraphs();
7500                         ParagraphList::iterator it = parlist.begin();
7501                         ParagraphList::iterator const en = parlist.end();
7502                         for (; it != en; ++it)
7503                                         it->setLayout(dc.plainLayout());
7504                 }
7505         }
7506 }
7507
7508
7509 } // namespace lyx