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 "Author.h"
  26 #include "buffer_funcs.h"
  27 #include "Buffer.h"
  28 #include "BufferParams.h"
  29 #include "BufferView.h"
  30 #include "CoordCache.h"
  31 #include "Counters.h"
  32 #include "Cursor.h"
  33 #include "CutAndPaste.h"
  34 #include "DispatchResult.h"
  35 #include "FuncRequest.h"
  36 #include "FuncStatus.h"
  37 #include "InsetIterator.h"
  38 #include "InsetList.h"
  39 #include "Language.h"
  40 #include "LaTeXFeatures.h"
  41 #include "Lexer.h"
  42 #include "LyX.h"
  43 #include "LyXRC.h"
  44 #include "MetricsInfo.h"
  45 #include "xml.h"
  46 #include "output_xhtml.h"
  47 #include "Paragraph.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/Changer.h"
  61 #include "support/convert.h"
  62 #include "support/debug.h"
  63 #include "support/docstream.h"
  64 #include "support/FileName.h"
  65 #include "support/gettext.h"
  66 #include "support/lassert.h"
  67 #include "support/lstrings.h"
  68 #include "support/unique_ptr.h"
  69
  70 #include <cstring>
  71 #include <iomanip>
  72 #include <iostream>
  73 #include <limits>
  74 #include <sstream>
  75
  76 using namespace std;
  77 using namespace lyx::support;
  78
  79
  80
  81 namespace lyx {
  82
  83 using cap::dirtyTabularStack;
  84 using cap::tabularStackDirty;
  85
  86 using graphics::PreviewLoader;
  87
  88 using frontend::Painter;
  89 using frontend::Clipboard;
  90
  91 namespace Alert = frontend::Alert;
  92
  93
  94 namespace {
  95
  96 int const ADD_TO_HEIGHT = 2; // in cell
  97 int const ADD_TO_TABULAR_WIDTH = 6; // horizontal space before and after the table
  98 int const default_line_space = 10; // ?
  99 int const WIDTH_OF_LINE = 5; // space between double lines
 100
 101
 102 ///
 103 unique_ptr<Tabular> paste_tabular;
 104
 105
 106 struct TabularFeature {
 107         Tabular::Feature action;
 108         string feature;
 109         bool need_value;
 110 };
 111
 112
 113 TabularFeature tabularFeature[] =
 114 {
 115         // the SET/UNSET actions are used by the table dialog,
 116         // the TOGGLE actions by the table toolbar buttons
 117         // FIXME: these values have been hardcoded in InsetMathGrid and other
 118         // math insets.
 119         { Tabular::APPEND_ROW, "append-row", false },
 120         { Tabular::APPEND_COLUMN, "append-column", false },
 121         { Tabular::DELETE_ROW, "delete-row", false },
 122         { Tabular::DELETE_COLUMN, "delete-column", false },
 123         { Tabular::COPY_ROW, "copy-row", false },
 124         { Tabular::COPY_COLUMN, "copy-column", false },
 125         { Tabular::MOVE_COLUMN_RIGHT, "move-column-right", false },
 126         { Tabular::MOVE_COLUMN_LEFT, "move-column-left", false },
 127         { Tabular::MOVE_ROW_DOWN, "move-row-down", false },
 128         { Tabular::MOVE_ROW_UP, "move-row-up", false },
 129         { Tabular::SET_LINE_TOP, "set-line-top", true },
 130         { Tabular::SET_LINE_BOTTOM, "set-line-bottom", true },
 131         { Tabular::SET_LTRIM_TOP, "set-ltrim-top", true },
 132         { Tabular::SET_LTRIM_BOTTOM, "set-ltrim-bottom", true },
 133         { Tabular::SET_RTRIM_TOP, "set-rtrim-top", true },
 134         { Tabular::SET_RTRIM_BOTTOM, "set-rtrim-bottom", true },
 135         { Tabular::SET_LINE_LEFT, "set-line-left", true },
 136         { Tabular::SET_LINE_RIGHT, "set-line-right", true },
 137         { Tabular::TOGGLE_LINE_TOP, "toggle-line-top", false },
 138         { Tabular::TOGGLE_LINE_BOTTOM, "toggle-line-bottom", false },
 139         { Tabular::TOGGLE_LINE_LEFT, "toggle-line-left", false },
 140         { Tabular::TOGGLE_LINE_RIGHT, "toggle-line-right", false },
 141         { Tabular::TOGGLE_LTRIM_TOP, "toggle-ltrim-top", false },
 142         { Tabular::TOGGLE_LTRIM_BOTTOM, "toggle-ltrim-bottom", false },
 143         { Tabular::TOGGLE_RTRIM_TOP, "toggle-rtrim-top", false },
 144         { Tabular::TOGGLE_RTRIM_BOTTOM, "toggle-rtrim-bottom", false },
 145         { Tabular::ALIGN_LEFT, "align-left", false },
 146         { Tabular::ALIGN_RIGHT, "align-right", false },
 147         { Tabular::ALIGN_CENTER, "align-center", false },
 148         { Tabular::ALIGN_BLOCK, "align-block", false },
 149         { Tabular::ALIGN_DECIMAL, "align-decimal", false },
 150         { Tabular::VALIGN_TOP, "valign-top", false },
 151         { Tabular::VALIGN_BOTTOM, "valign-bottom", false },
 152         { Tabular::VALIGN_MIDDLE, "valign-middle", false },
 153         { Tabular::M_ALIGN_LEFT, "m-align-left", false },
 154         { Tabular::M_ALIGN_RIGHT, "m-align-right", false },
 155         { Tabular::M_ALIGN_CENTER, "m-align-center", false },
 156         { Tabular::M_VALIGN_TOP, "m-valign-top", false },
 157         { Tabular::M_VALIGN_BOTTOM, "m-valign-bottom", false },
 158         { Tabular::M_VALIGN_MIDDLE, "m-valign-middle", false },
 159         { Tabular::MULTICOLUMN, "multicolumn", false },
 160         { Tabular::SET_MULTICOLUMN, "set-multicolumn", false },
 161         { Tabular::UNSET_MULTICOLUMN, "unset-multicolumn", false },
 162         { Tabular::MULTIROW, "multirow", false },
 163         { Tabular::SET_MULTIROW, "set-multirow", false },
 164         { Tabular::UNSET_MULTIROW, "unset-multirow", false },
 165         { Tabular::SET_MROFFSET, "set-mroffset", true },
 166         { Tabular::SET_ALL_LINES, "set-all-lines", false },
 167         { Tabular::TOGGLE_ALL_LINES, "toggle-all-lines", false },
 168         { Tabular::RESET_FORMAL_DEFAULT, "reset-formal-default", false },
 169         { Tabular::UNSET_ALL_LINES, "unset-all-lines", false },
 170         { Tabular::TOGGLE_LONGTABULAR, "toggle-longtabular", false },
 171         { Tabular::SET_LONGTABULAR, "set-longtabular", false },
 172         { Tabular::UNSET_LONGTABULAR, "unset-longtabular", false },
 173         { Tabular::SET_PWIDTH, "set-pwidth", true },
 174         { Tabular::SET_MPWIDTH, "set-mpwidth", true },
 175         { Tabular::TOGGLE_VARWIDTH_COLUMN, "toggle-varwidth-column", true },
 176         { Tabular::SET_ROTATE_TABULAR, "set-rotate-tabular", true },
 177         { Tabular::UNSET_ROTATE_TABULAR, "unset-rotate-tabular", true },
 178         { Tabular::TOGGLE_ROTATE_TABULAR, "toggle-rotate-tabular", true },
 179         { Tabular::SET_ROTATE_CELL, "set-rotate-cell", true },
 180         { Tabular::UNSET_ROTATE_CELL, "unset-rotate-cell", true },
 181         { Tabular::TOGGLE_ROTATE_CELL, "toggle-rotate-cell", true },
 182         { Tabular::SET_USEBOX, "set-usebox", true },
 183         { Tabular::SET_LTHEAD, "set-lthead", true },
 184         { Tabular::UNSET_LTHEAD, "unset-lthead", true },
 185         { Tabular::SET_LTFIRSTHEAD, "set-ltfirsthead", true },
 186         { Tabular::UNSET_LTFIRSTHEAD, "unset-ltfirsthead", true },
 187         { Tabular::SET_LTFOOT, "set-ltfoot", true },
 188         { Tabular::UNSET_LTFOOT, "unset-ltfoot", true },
 189         { Tabular::SET_LTLASTFOOT, "set-ltlastfoot", true },
 190         { Tabular::UNSET_LTLASTFOOT, "unset-ltlastfoot", true },
 191         { Tabular::SET_LTNEWPAGE, "set-ltnewpage", false },
 192         { Tabular::UNSET_LTNEWPAGE, "unset-ltnewpage", false },
 193         { Tabular::TOGGLE_LTCAPTION, "toggle-ltcaption", false },
 194         { Tabular::SET_LTCAPTION, "set-ltcaption", false },
 195         { Tabular::UNSET_LTCAPTION, "unset-ltcaption", false },
 196         { Tabular::SET_SPECIAL_COLUMN, "set-special-column", true },
 197         { Tabular::SET_SPECIAL_MULTICOLUMN, "set-special-multicolumn", true },
 198         { Tabular::TOGGLE_BOOKTABS, "toggle-booktabs", false },
 199         { Tabular::SET_BOOKTABS, "set-booktabs", false },
 200         { Tabular::UNSET_BOOKTABS, "unset-booktabs", false },
 201         { Tabular::SET_TOP_SPACE, "set-top-space", true },
 202         { Tabular::SET_BOTTOM_SPACE, "set-bottom-space", true },
 203         { Tabular::SET_INTERLINE_SPACE, "set-interline-space", true },
 204         { Tabular::SET_BORDER_LINES, "set-border-lines", false },
 205         { Tabular::TOGGLE_BORDER_LINES, "toggle-border-lines", false },
 206         { Tabular::TABULAR_VALIGN_TOP, "tabular-valign-top", false},
 207         { Tabular::TABULAR_VALIGN_MIDDLE, "tabular-valign-middle", false},
 208         { Tabular::TABULAR_VALIGN_BOTTOM, "tabular-valign-bottom", false},
 209         { Tabular::LONGTABULAR_ALIGN_LEFT, "longtabular-align-left", false },
 210         { Tabular::LONGTABULAR_ALIGN_CENTER, "longtabular-align-center", false },
 211         { Tabular::LONGTABULAR_ALIGN_RIGHT, "longtabular-align-right", false },
 212         { Tabular::SET_DECIMAL_POINT, "set-decimal-point", true },
 213         { Tabular::SET_TABULAR_WIDTH, "set-tabular-width", true },
 214         { Tabular::SET_INNER_LINES, "set-inner-lines", false },
 215         { Tabular::TOGGLE_INNER_LINES, "toggle-inner-lines", false },
 216         { Tabular::LAST_ACTION, "", false }
 217 };
 218
 219
 220 string const tostr(LyXAlignment const & num)
 221 {
 222         switch (num) {
 223         case LYX_ALIGN_NONE:
 224                 return "none";
 225         case LYX_ALIGN_BLOCK:
 226                 return "block";
 227         case LYX_ALIGN_LEFT:
 228                 return "left";
 229         case LYX_ALIGN_CENTER:
 230                 return "center";
 231         case LYX_ALIGN_RIGHT:
 232                 return "right";
 233         case LYX_ALIGN_LAYOUT:
 234                 return "layout";
 235         case LYX_ALIGN_SPECIAL:
 236                 return "special";
 237         case LYX_ALIGN_DECIMAL:
 238                 return "decimal";
 239         }
 240         return string();
 241 }
 242
 243
 244 string const tostr(Tabular::HAlignment const & num)
 245 {
 246         switch (num) {
 247         case Tabular::LYX_LONGTABULAR_ALIGN_LEFT:
 248                 return "left";
 249         case Tabular::LYX_LONGTABULAR_ALIGN_CENTER:
 250                 return "center";
 251         case Tabular::LYX_LONGTABULAR_ALIGN_RIGHT:
 252                 return "right";
 253         }
 254         return string();
 255 }
 256
 257
 258 string const tostr(Tabular::VAlignment const & num)
 259 {
 260         switch (num) {
 261         case Tabular::LYX_VALIGN_TOP:
 262                 return "top";
 263         case Tabular::LYX_VALIGN_MIDDLE:
 264                 return "middle";
 265         case Tabular::LYX_VALIGN_BOTTOM:
 266                 return "bottom";
 267         }
 268         return string();
 269 }
 270
 271
 272 string const tostr(Tabular::BoxType const & num)
 273 {
 274         switch (num) {
 275         case Tabular::BOX_NONE:
 276                 return "none";
 277         case Tabular::BOX_PARBOX:
 278                 return "parbox";
 279         case Tabular::BOX_MINIPAGE:
 280                 return "minipage";
 281         case Tabular::BOX_VARWIDTH:
 282                 return "varwidth";
 283         }
 284         return string();
 285 }
 286
 287
 288 // I would have liked a fromstr template a lot better. (Lgb)
 289 bool string2type(string const & str, LyXAlignment & num)
 290 {
 291         if (str == "none")
 292                 num = LYX_ALIGN_NONE;
 293         else if (str == "block")
 294                 num = LYX_ALIGN_BLOCK;
 295         else if (str == "left")
 296                 num = LYX_ALIGN_LEFT;
 297         else if (str == "center")
 298                 num = LYX_ALIGN_CENTER;
 299         else if (str == "right")
 300                 num = LYX_ALIGN_RIGHT;
 301         else if (str == "decimal")
 302                 num = LYX_ALIGN_DECIMAL;
 303         else
 304                 return false;
 305         return true;
 306 }
 307
 308
 309 bool string2type(string const & str, Tabular::HAlignment & num)
 310 {
 311         if (str == "left")
 312                 num = Tabular::LYX_LONGTABULAR_ALIGN_LEFT;
 313         else if (str == "center" )
 314                 num = Tabular::LYX_LONGTABULAR_ALIGN_CENTER;
 315         else if (str == "right")
 316                 num = Tabular::LYX_LONGTABULAR_ALIGN_RIGHT;
 317         else
 318                 return false;
 319         return true;
 320 }
 321
 322
 323 bool string2type(string const & str, Tabular::VAlignment & num)
 324 {
 325         if (str == "top")
 326                 num = Tabular::LYX_VALIGN_TOP;
 327         else if (str == "middle" )
 328                 num = Tabular::LYX_VALIGN_MIDDLE;
 329         else if (str == "bottom")
 330                 num = Tabular::LYX_VALIGN_BOTTOM;
 331         else
 332                 return false;
 333         return true;
 334 }
 335
 336
 337 bool string2type(string const & str, Tabular::BoxType & num)
 338 {
 339         if (str == "none")
 340                 num = Tabular::BOX_NONE;
 341         else if (str == "parbox")
 342                 num = Tabular::BOX_PARBOX;
 343         else if (str == "minipage")
 344                 num = Tabular::BOX_MINIPAGE;
 345         else if (str == "varwidth")
 346                 num = Tabular::BOX_VARWIDTH;
 347         else
 348                 return false;
 349         return true;
 350 }
 351
 352
 353 bool string2type(string const & str, bool & num)
 354 {
 355         if (str == "true")
 356                 num = true;
 357         else if (str == "false")
 358                 num = false;
 359         else
 360                 return false;
 361         return true;
 362 }
 363
 364
 365 bool getTokenValue(string const & str, char const * token, string & ret)
 366 {
 367         ret.erase();
 368         size_t token_length = strlen(token);
 369         size_t pos = str.find(token);
 370
 371         if (pos == string::npos || pos + token_length + 1 >= str.length()
 372                 || str[pos + token_length] != '=')
 373                 return false;
 374         pos += token_length + 1;
 375         char ch = str[pos];
 376         if (ch != '"' && ch != '\'') { // only read till next space
 377                 ret += ch;
 378                 ch = ' ';
 379         }
 380         while (pos < str.length() - 1 && str[++pos] != ch)
 381                 ret += str[pos];
 382
 383         return true;
 384 }
 385
 386
 387 bool getTokenValue(string const & str, char const * token, docstring & ret)
 388 {
 389         string tmp;
 390         bool const success = getTokenValue(str, token, tmp);
 391         ret = from_utf8(tmp);
 392         return success;
 393 }
 394
 395
 396 bool getTokenValue(string const & str, char const * token, int & num)
 397 {
 398         string tmp;
 399         num = 0;
 400         if (!getTokenValue(str, token, tmp))
 401                 return false;
 402         num = convert<int>(tmp);
 403         return true;
 404 }
 405
 406
 407 bool getTokenValue(string const & str, char const * token, LyXAlignment & num)
 408 {
 409         string tmp;
 410         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 411 }
 412
 413
 414 bool getTokenValue(string const & str, char const * token,
 415                                    Tabular::HAlignment & num)
 416 {
 417         string tmp;
 418         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 419 }
 420
 421
 422 bool getTokenValue(string const & str, char const * token,
 423                                    Tabular::VAlignment & num)
 424 {
 425         string tmp;
 426         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 427 }
 428
 429
 430 bool getTokenValue(string const & str, char const * token,
 431                                    Tabular::BoxType & num)
 432 {
 433         string tmp;
 434         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 435 }
 436
 437
 438 bool getTokenValue(string const & str, char const * token, bool & flag)
 439 {
 440         // set the flag always to false as this should be the default for bools
 441         // not in the file-format.
 442         flag = false;
 443         string tmp;
 444         return getTokenValue(str, token, tmp) && string2type(tmp, flag);
 445 }
 446
 447
 448 bool getTokenValue(string const & str, char const * token, Length & len)
 449 {
 450         // set the length to be zero() as default as this it should be if not
 451         // in the file format.
 452         len = Length();
 453         string tmp;
 454         return getTokenValue(str, token, tmp) && isValidLength(tmp, &len);
 455 }
 456
 457
 458 bool getTokenValue(string const & str, char const * token, Change & change, BufferParams & bp)
 459 {
 460         // set the change to be Change() as default as this it should be if not
 461         // in the file format.
 462         change = Change();
 463         string tmp;
 464         if (getTokenValue(str, token, tmp)) {
 465                 vector<string> const changedata = getVectorFromString(tmp, " ");
 466                 if (changedata.size() != 3) {
 467                         Alert::warning(_("Change tracking data incomplete"),
 468                                        _("Change tracking information for tabular row/column "
 469                                          "is incomplete. I will ignore this."));
 470                         return false;
 471                 }
 472                 BufferParams::AuthorMap const & am = bp.author_map_;
 473                 int aid = convert<int>(changedata[1]);
 474                 if (am.find(aid) == am.end()) {
 475                         // FIXME Use ErrorList
 476                         Alert::warning(_("Change tracking author index missing"),
 477                                 bformat(_("A change tracking author information for index "
 478                                           "%1$d is missing. This can happen after a wrong "
 479                                           "merge by a version control system. In this case, "
 480                                           "either fix the merge, or have this information "
 481                                           "missing until the corresponding tracked changes "
 482                                           "are merged or this user edits the file again.\n"),
 483                                         aid));
 484                         bp.addAuthor(Author(aid));
 485                 }
 486                 istringstream is(changedata[2]);
 487                 time_t ct;
 488                 is >> ct;
 489                 if (changedata[0] == "inserted") {
 490                         change = Change(Change::INSERTED, am.find(aid)->second, ct);
 491                         return true;
 492                 } else if (changedata[0] == "deleted") {
 493                         change = Change(Change::DELETED, am.find(aid)->second, ct);
 494                         return true;
 495                 }
 496         }
 497         return false;
 498 }
 499
 500
 501 bool getTokenValue(string const & str, char const * token, Length & len, bool & flag)
 502 {
 503         len = Length();
 504         flag = false;
 505         string tmp;
 506         if (!getTokenValue(str, token, tmp))
 507                 return false;
 508         if (tmp == "default") {
 509                 flag = true;
 510                 return  true;
 511         }
 512         return isValidLength(tmp, &len);
 513 }
 514
 515
 516 void l_getline(istream & is, string & str)
 517 {
 518         str.erase();
 519         while (str.empty()) {
 520                 getline(is, str);
 521                 if (!str.empty() && str[str.length() - 1] == '\r')
 522                         str.erase(str.length() - 1);
 523         }
 524 }
 525
 526 template <class T>
 527 string const write_attribute(string const & name, T const & t)
 528 {
 529         string const s = tostr(t);
 530         return s.empty() ? s : " " + name + "=\"" + s + "\"";
 531 }
 532
 533 template <>
 534 string const write_attribute(string const & name, string const & t)
 535 {
 536         return t.empty() ? t : " " + name + "=\"" + t + "\"";
 537 }
 538
 539
 540 template <>
 541 string const write_attribute(string const & name, docstring const & t)
 542 {
 543         return t.empty() ? string() : " " + name + "=\"" + to_utf8(t) + "\"";
 544 }
 545
 546
 547 template <>
 548 string const write_attribute(string const & name, bool const & b)
 549 {
 550         // we write only true attribute values so we remove a bit of the
 551         // file format bloat for tabulars.
 552         return b ? write_attribute(name, convert<string>(b)) : string();
 553 }
 554
 555
 556 template <>
 557 string const write_attribute(string const & name, int const & i)
 558 {
 559         // we write only true attribute values so we remove a bit of the
 560         // file format bloat for tabulars.
 561         return i ? write_attribute(name, convert<string>(i)) : string();
 562 }
 563
 564
 565 template <>
 566 string const write_attribute(string const & name, idx_type const & i)
 567 {
 568         // we write only true attribute values so we remove a bit of the
 569         // file format bloat for tabulars.
 570         return i ? write_attribute(name, convert<string>(i)) : string();
 571 }
 572
 573
 574 template <>
 575 string const write_attribute(string const & name, Length const & value)
 576 {
 577         // we write only the value if we really have one same reason as above.
 578         return value.zero() ? string() : write_attribute(name, value.asString());
 579 }
 580
 581 string const write_attribute(string const & name, Change const & change, BufferParams const & bp)
 582 {
 583         odocstringstream ods;
 584         if (change.inserted())
 585                 ods << from_ascii("inserted");
 586         else if (change.deleted())
 587                 ods << from_ascii("deleted");
 588         if (change.changed()) {
 589                 ods << " " << bp.authors().get(change.author).bufferId()
 590                     << " " << change.changetime;
 591                 return write_attribute(name, ods.str());
 592         }
 593         return string();
 594 }
 595
 596 } // namespace
 597
 598
 599 string const featureAsString(Tabular::Feature action)
 600 {
 601         for (size_t i = 0; i != Tabular::LAST_ACTION; ++i) {
 602                 if (tabularFeature[i].action == action)
 603                         return tabularFeature[i].feature;
 604         }
 605         return string();
 606 }
 607
 608
 609 DocIterator separatorPos(InsetTableCell const * cell, docstring const & align_d)
 610 {
 611         DocIterator dit = doc_iterator_begin(&(cell->buffer()), cell);
 612         for (; dit; dit.forwardChar())
 613                 if (dit.inTexted() && dit.depth() == 1
 614                         && dit.paragraph().find(align_d, false, false, dit.pos()))
 615                         break;
 616
 617         return dit;
 618 }
 619
 620
 621 InsetTableCell splitCell(InsetTableCell & head, docstring const & align_d, bool & hassep)
 622 {
 623         InsetTableCell tail = head;
 624         DocIterator const dit = separatorPos(&head, align_d);
 625         hassep = static_cast<bool>(dit);
 626         if (hassep) {
 627                 pos_type const psize = head.paragraphs().front().size();
 628                 head.paragraphs().front().eraseChars(dit.pos(), psize, false);
 629                 tail.paragraphs().front().eraseChars(0,
 630                         dit.pos() < psize ? dit.pos() + 1 : psize, false);
 631         }
 632
 633         return tail;
 634 }
 635
 636
 637 /////////////////////////////////////////////////////////////////////
 638 //
 639 // Tabular
 640 //
 641 /////////////////////////////////////////////////////////////////////
 642
 643
 644 Tabular::CellData::CellData(Buffer * buf)
 645         : cellno(0),
 646           width(0),
 647           multicolumn(Tabular::CELL_NORMAL),
 648           multirow(Tabular::CELL_NORMAL),
 649           alignment(LYX_ALIGN_CENTER),
 650           valignment(LYX_VALIGN_TOP),
 651           decimal_hoffset(0),
 652           decimal_width(0),
 653           voffset(0),
 654           top_line(false),
 655           bottom_line(false),
 656           left_line(false),
 657           right_line(false),
 658           top_line_rtrimmed(false),
 659           top_line_ltrimmed(false),
 660           bottom_line_rtrimmed(false),
 661           bottom_line_ltrimmed(false),
 662           usebox(BOX_NONE),
 663           rotate(0),
 664           inset(new InsetTableCell(buf))
 665 {
 666         inset->setBuffer(*buf);
 667 }
 668
 669
 670 Tabular::CellData::CellData(CellData const & cs)
 671         : cellno(cs.cellno),
 672           width(cs.width),
 673           multicolumn(cs.multicolumn),
 674           multirow(cs.multirow),
 675           mroffset(cs.mroffset),
 676           alignment(cs.alignment),
 677           valignment(cs.valignment),
 678           decimal_hoffset(cs.decimal_hoffset),
 679           decimal_width(cs.decimal_width),
 680           voffset(cs.voffset),
 681           top_line(cs.top_line),
 682           bottom_line(cs.bottom_line),
 683           left_line(cs.left_line),
 684           right_line(cs.right_line),
 685           top_line_rtrimmed(cs.top_line_rtrimmed),
 686           top_line_ltrimmed(cs.top_line_ltrimmed),
 687           bottom_line_rtrimmed(cs.bottom_line_rtrimmed),
 688           bottom_line_ltrimmed(cs.bottom_line_ltrimmed),
 689           usebox(cs.usebox),
 690           rotate(cs.rotate),
 691           align_special(cs.align_special),
 692           p_width(cs.p_width),
 693           inset(static_cast<InsetTableCell *>(cs.inset->clone()))
 694 {
 695 }
 696
 697 Tabular::CellData & Tabular::CellData::operator=(CellData const & cs)
 698 {
 699         if (&cs == this)
 700                 return *this;
 701         cellno = cs.cellno;
 702         width = cs.width;
 703         multicolumn = cs.multicolumn;
 704         multirow = cs.multirow;
 705         mroffset = cs.mroffset;
 706         alignment = cs.alignment;
 707         valignment = cs.valignment;
 708         decimal_hoffset = cs.decimal_hoffset;
 709         decimal_width = cs.decimal_width;
 710         voffset = cs.voffset;
 711         top_line = cs.top_line;
 712         bottom_line = cs.bottom_line;
 713         left_line = cs.left_line;
 714         right_line = cs.right_line;
 715         top_line_rtrimmed = cs.top_line_rtrimmed;
 716         top_line_ltrimmed = cs.top_line_ltrimmed;
 717         bottom_line_rtrimmed = cs.bottom_line_rtrimmed;
 718         bottom_line_ltrimmed = cs.bottom_line_ltrimmed;
 719         usebox = cs.usebox;
 720         rotate = cs.rotate;
 721         align_special = cs.align_special;
 722         p_width = cs.p_width;
 723         inset.reset(static_cast<InsetTableCell *>(cs.inset->clone()));
 724         return *this;
 725 }
 726
 727 Tabular::RowData::RowData()
 728         : ascent(0),
 729           descent(0),
 730           top_space_default(false),
 731           bottom_space_default(false),
 732           interline_space_default(false),
 733           endhead(false),
 734           endfirsthead(false),
 735           endfoot(false),
 736           endlastfoot(false),
 737           newpage(false),
 738           caption(false),
 739           change(Change())
 740 {}
 741
 742
 743 Tabular::ColumnData::ColumnData()
 744         : alignment(LYX_ALIGN_CENTER),
 745           valignment(LYX_VALIGN_TOP),
 746           width(0),
 747           varwidth(false),
 748           change(Change())
 749 {
 750 }
 751
 752
 753 Tabular::ltType::ltType()
 754         : set(false), topDL(false),
 755           bottomDL(false),
 756           empty(false)
 757 {}
 758
 759
 760 Tabular::Tabular(Buffer * buffer, row_type rows_arg, col_type columns_arg)
 761 {
 762         init(buffer, rows_arg, columns_arg);
 763 }
 764
 765
 766 void Tabular::setBuffer(Buffer & buffer)
 767 {
 768         buffer_ = &buffer;
 769         for (row_type i = 0; i < nrows(); ++i)
 770                 for (col_type j = 0; j < ncols(); ++j)
 771                         cell_info[i][j].inset->setBuffer(*buffer_);
 772 }
 773
 774
 775 // activates all lines and sets all widths to 0
 776 void Tabular::init(Buffer * buf, row_type rows_arg,
 777                       col_type columns_arg)
 778 {
 779         buffer_ = buf;
 780         row_info = row_vector(rows_arg);
 781         column_info = column_vector(columns_arg);
 782         cell_info = cell_vvector(rows_arg, cell_vector(columns_arg, CellData(buf)));
 783         row_info.reserve(10);
 784         column_info.reserve(10);
 785         cell_info.reserve(100);
 786         updateIndexes();
 787         is_long_tabular = false;
 788         tabular_valignment = LYX_VALIGN_MIDDLE;
 789         tabular_width = Length();
 790         longtabular_alignment = LYX_LONGTABULAR_ALIGN_CENTER;
 791         rotate = 0;
 792         use_booktabs = false;
 793         // set silly default lines
 794         for (row_type r = 0; r < nrows(); ++r)
 795                 for (col_type c = 0; c < ncols(); ++c) {
 796                         cell_info[r][c].inset->setBuffer(*buffer_);
 797                         cell_info[r][c].top_line = true;
 798                         cell_info[r][c].left_line = true;
 799                         cell_info[r][c].bottom_line = r == 0 || r == nrows() - 1;
 800                         cell_info[r][c].right_line = c == ncols() - 1;
 801                 }
 802 }
 803
 804
 805 void Tabular::deleteRow(row_type const row, bool const force)
 806 {
 807         // Not allowed to delete last row
 808         if (nrows() == 1)
 809                 return;
 810
 811         bool const ct = force ? false : buffer().params().track_changes;
 812
 813         for (col_type c = 0; c < ncols(); ++c) {
 814                 // Care about multirow cells
 815                 if (row + 1 < nrows() &&
 816                     cell_info[row][c].multirow == CELL_BEGIN_OF_MULTIROW &&
 817                     cell_info[row + 1][c].multirow == CELL_PART_OF_MULTIROW) {
 818                                 cell_info[row + 1][c] = cell_info[row][c];
 819                 }
 820         }
 821         if (ct)
 822                 row_info[row].change.setDeleted();
 823         else {
 824                 row_info.erase(row_info.begin() + row);
 825                 cell_info.erase(cell_info.begin() + row);
 826         }
 827         updateIndexes();
 828 }
 829
 830
 831 void Tabular::copyRow(row_type const row)
 832 {
 833         insertRow(row, true);
 834 }
 835
 836
 837 void Tabular::appendRow(row_type row)
 838 {
 839         insertRow(row, false);
 840 }
 841
 842
 843 void Tabular::insertRow(row_type const row, bool copy)
 844 {
 845         row_info.insert(row_info.begin() + row + 1, row_info[row]);
 846         cell_info.insert(cell_info.begin() + row + 1,
 847                 cell_vector(0, CellData(buffer_)));
 848
 849         for (col_type c = 0; c < ncols(); ++c) {
 850                 cell_info[row + 1].insert(cell_info[row + 1].begin() + c,
 851                         copy ? cell_info[row][c] : CellData(buffer_));
 852                 if (cell_info[row][c].multirow == CELL_BEGIN_OF_MULTIROW)
 853                         cell_info[row + 1][c].multirow = CELL_PART_OF_MULTIROW;
 854         }
 855
 856         updateIndexes();
 857         for (col_type c = 0; c < ncols(); ++c) {
 858                 if (isPartOfMultiRow(row, c))
 859                         continue;
 860                 // inherit line settings
 861                 idx_type const i = cellIndex(row + 1, c);
 862                 idx_type const j = cellIndex(row, c);
 863                 setLeftLine(i, leftLine(j));
 864                 setRightLine(i, rightLine(j));
 865                 setTopLine(i, topLine(j));
 866                 if (topLine(j) && bottomLine(j)) {
 867                         setBottomLine(i, true);
 868                         setBottomLine(j, false);
 869                 }
 870         }
 871         if (buffer().params().track_changes) {
 872                 row_info[row + 1].change.setInserted();
 873                 updateIndexes();
 874         }
 875 }
 876
 877
 878 void Tabular::moveColumn(col_type col_start, col_type col_end,
 879                          ColDirection direction)
 880 {
 881         if (direction == Tabular::LEFT) {
 882                 for (col_type col = col_start; col <= col_end; ++col) {
 883                         std::swap(column_info[col - 1], column_info[col]);
 884                         for (row_type r = 0; r < nrows(); ++r) {
 885                                 std::swap(cell_info[r][col - 1], cell_info[r][col]);
 886                                 std::swap(cell_info[r][col - 1].left_line, cell_info[r][col].left_line);
 887                                 std::swap(cell_info[r][col - 1].right_line, cell_info[r][col].right_line);
 888
 889                                 if (buffer().params().track_changes) {
 890                                         idx_type const i = cellIndex(r, col - 1);
 891                                         idx_type const j = cellIndex(r, col);
 892                                         cellInfo(i).inset->setChange(Change(Change::INSERTED));
 893                                         cellInfo(j).inset->setChange(Change(Change::INSERTED));
 894                                 }
 895                         }
 896                         updateIndexes();
 897                         if (col == ncols())
 898                                 break;
 899                 }
 900         } else {
 901                 for (col_type col = col_end; col >= col_start; --col) {
 902                         std::swap(column_info[col], column_info[col + 1]);
 903                         for (row_type r = 0; r < nrows(); ++r) {
 904                                 std::swap(cell_info[r][col], cell_info[r][col + 1]);
 905                                 std::swap(cell_info[r][col].left_line, cell_info[r][col + 1].left_line);
 906                                 std::swap(cell_info[r][col].right_line, cell_info[r][col + 1].right_line);
 907
 908                                 if (buffer().params().track_changes) {
 909                                         idx_type const i = cellIndex(r, col);
 910                                         idx_type const j = cellIndex(r, col + 1);
 911                                         cellInfo(i).inset->setChange(Change(Change::INSERTED));
 912                                         cellInfo(j).inset->setChange(Change(Change::INSERTED));
 913                                 }
 914                         }
 915                         updateIndexes();
 916                         if (col == 0)
 917                                 break;
 918                 }
 919         }
 920 }
 921
 922
 923 void Tabular::moveRow(row_type row_start, row_type row_end, RowDirection direction)
 924 {
 925         if (direction == Tabular::UP) {
 926                 for (row_type row = row_start; row <= row_end; ++row) {
 927                         std::swap(row_info[row - 1], row_info[row]);
 928                         for (col_type c = 0; c < ncols(); ++c) {
 929                                 std::swap(cell_info[row - 1][c], cell_info[row][c]);
 930                                 std::swap(cell_info[row - 1][c].top_line, cell_info[row][c].top_line);
 931                                 std::swap(cell_info[row - 1][c].bottom_line, cell_info[row][c].bottom_line);
 932
 933                                 idx_type const i = cellIndex(row - 1, c);
 934                                 idx_type const j = cellIndex(row, c);
 935                                 if (buffer().params().track_changes) {
 936                                         cellInfo(i).inset->setChange(Change(Change::INSERTED));
 937                                         cellInfo(j).inset->setChange(Change(Change::INSERTED));
 938                                 }
 939                         }
 940                         updateIndexes();
 941                         if (row == nrows())
 942                                 break;
 943                 }
 944         } else {
 945                 for (row_type row = row_end; row >= row_start; --row) {
 946                         std::swap(row_info[row], row_info[row + 1]);
 947                         for (col_type c = 0; c < ncols(); ++c) {
 948                                 std::swap(cell_info[row][c], cell_info[row + 1][c]);
 949                                 std::swap(cell_info[row][c].top_line, cell_info[row + 1][c].top_line);
 950                                 std::swap(cell_info[row][c].bottom_line, cell_info[row + 1][c].bottom_line);
 951
 952                                 idx_type const i = cellIndex(row, c);
 953                                 idx_type const j = cellIndex(row + 1, c);
 954                                 if (buffer().params().track_changes) {
 955                                         cellInfo(i).inset->setChange(Change(Change::INSERTED));
 956                                         cellInfo(j).inset->setChange(Change(Change::INSERTED));
 957                                 }
 958                         }
 959                         updateIndexes();
 960                         if (row == 0)
 961                                 break;
 962                 }
 963         }
 964 }
 965
 966
 967 void Tabular::deleteColumn(col_type const col, bool const force)
 968 {
 969         // Not allowed to delete last column
 970         if (ncols() == 1)
 971                 return;
 972
 973         bool const ct = force ? false : buffer().params().track_changes;
 974
 975         for (row_type r = 0; r < nrows(); ++r) {
 976                 // Care about multicolumn cells
 977                 if (col + 1 < ncols() &&
 978                     cell_info[r][col].multicolumn == CELL_BEGIN_OF_MULTICOLUMN &&
 979                     cell_info[r][col + 1].multicolumn == CELL_PART_OF_MULTICOLUMN) {
 980                                 cell_info[r][col + 1] = cell_info[r][col];
 981                 }
 982                 if (!ct)
 983                         cell_info[r].erase(cell_info[r].begin() + col);
 984         }
 985         if (ct)
 986                 column_info[col].change.setDeleted();
 987         else
 988                 column_info.erase(column_info.begin() + col);
 989         updateIndexes();
 990 }
 991
 992
 993 void Tabular::copyColumn(col_type const col)
 994 {
 995         insertColumn(col, true);
 996 }
 997
 998
 999 void Tabular::appendColumn(col_type col)
1000 {
1001         insertColumn(col, false);
1002 }
1003
1004
1005 void Tabular::insertColumn(col_type const col, bool copy)
1006 {
1007         bool const ct = buffer().params().track_changes;
1008         column_info.insert(column_info.begin() + col + 1, column_info[col]);
1009
1010         for (row_type r = 0; r < nrows(); ++r) {
1011                 cell_info[r].insert(cell_info[r].begin() + col + 1,
1012                         copy ? cell_info[r][col] : CellData(buffer_));
1013                 if (cell_info[r][col].multicolumn == CELL_BEGIN_OF_MULTICOLUMN)
1014                         cell_info[r][col + 1].multicolumn = CELL_PART_OF_MULTICOLUMN;
1015         }
1016         updateIndexes();
1017         for (row_type r = 0; r < nrows(); ++r) {
1018                 // inherit line settings
1019                 idx_type const i = cellIndex(r, col + 1);
1020                 idx_type const j = cellIndex(r, col);
1021                 setBottomLine(i, bottomLine(j));
1022                 setTopLine(i, topLine(j));
1023                 setLeftLine(i, leftLine(j));
1024                 setRightLine(i, rightLine(j));
1025                 if (rightLine(i) && rightLine(j)) {
1026                         setRightLine(j, false);
1027                 }
1028         }
1029         if (ct) {
1030                 column_info[col + 1].change.setInserted();
1031                 updateIndexes();
1032         }
1033 }
1034
1035
1036 void Tabular::updateIndexes()
1037 {
1038         setBuffer(buffer());
1039         numberofcells = 0;
1040         // reset cell number
1041         for (row_type row = 0; row < nrows(); ++row)
1042                 for (col_type column = 0; column < ncols(); ++column) {
1043                         if (!isPartOfMultiColumn(row, column)
1044                                 && !isPartOfMultiRow(row, column))
1045                                 ++numberofcells;
1046                         if (isPartOfMultiRow(row, column))
1047                                 cell_info[row][column].cellno = cell_info[row - 1][column].cellno;
1048                         else
1049                                 cell_info[row][column].cellno = numberofcells - 1;
1050                 }
1051
1052         rowofcell.resize(numberofcells);
1053         columnofcell.resize(numberofcells);
1054         idx_type i = 0;
1055         // reset column and row of cells and update their width, alignment and ct status
1056         for (row_type row = 0; row < nrows(); ++row) {
1057                 for (col_type column = 0; column < ncols(); ++column) {
1058                         if (isPartOfMultiColumn(row, column)) {
1059                                 cell_info[row][column].inset->toggleMultiCol(true);
1060                                 continue;
1061                         }
1062                         cell_info[row][column].inset->toggleMultiCol(false);
1063                         // columnofcell needs to be called before setting width and alignment
1064                         // multirow cells inherit the width from the column width
1065                         if (!isPartOfMultiRow(row, column)) {
1066                                 columnofcell[i] = column;
1067                                 rowofcell[i] = row;
1068                         }
1069                         setFixedWidth(row, column);
1070                         if (isPartOfMultiRow(row, column)) {
1071                                 cell_info[row][column].inset->toggleMultiRow(true);
1072                                 continue;
1073                         }
1074                         cell_info[row][column].inset->toggleMultiRow(false);
1075                         cell_info[row][column].inset->setContentAlignment(
1076                                 getAlignment(cellIndex(row, column)));
1077                         if (buffer().params().track_changes) {
1078                                 if (row_info[row].change.changed())
1079                                         cell_info[row][column].inset->setChange(row_info[row].change);
1080                                 if (column_info[column].change.changed())
1081                                         cell_info[row][column].inset->setChange(column_info[column].change);
1082                         }
1083                         ++i;
1084                 }
1085         }
1086 }
1087
1088
1089 idx_type Tabular::numberOfCellsInRow(row_type const row) const
1090 {
1091         idx_type result = 0;
1092         for (col_type c = 0; c < ncols(); ++c)
1093                 if (cell_info[row][c].multicolumn != Tabular::CELL_PART_OF_MULTICOLUMN)
1094                         ++result;
1095         return result;
1096 }
1097
1098
1099 bool Tabular::topLine(idx_type const cell) const
1100 {
1101         return cellInfo(cell).top_line;
1102 }
1103
1104
1105 bool Tabular::bottomLine(idx_type const cell) const
1106 {
1107         return cellInfo(cell).bottom_line;
1108 }
1109
1110
1111 bool Tabular::leftLine(idx_type cell, bool const ignore_bt) const
1112 {
1113         if (use_booktabs && !ignore_bt)
1114                 return false;
1115         return cellInfo(cell).left_line;
1116 }
1117
1118
1119 bool Tabular::rightLine(idx_type cell, bool const ignore_bt) const
1120 {
1121         if (use_booktabs && !ignore_bt)
1122                 return false;
1123         return cellInfo(cell).right_line;
1124 }
1125
1126
1127 bool Tabular::outsideBorders(
1128         row_type const sel_row_start, row_type const sel_row_end,
1129         col_type const sel_col_start, col_type const sel_col_end) const
1130 {
1131         if (!use_booktabs)
1132                 for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
1133                         if (!leftLine(cellIndex(r, sel_col_start))
1134                                 || !rightLine(cellIndex(r, sel_col_end)))
1135                                 return false;
1136                 }
1137         for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
1138                 if (!topLine(cellIndex(sel_row_start, c))
1139                         || !bottomLine(cellIndex(sel_row_end, c)))
1140                         return false;
1141         }
1142         return true;
1143 }
1144
1145
1146 bool Tabular::innerBorders(
1147         row_type const sel_row_start, row_type const sel_row_end,
1148         col_type const sel_col_start, col_type const sel_col_end) const
1149 {
1150         // Single cell has no inner borders
1151         if (sel_row_start == sel_row_end && sel_col_start == sel_col_end)
1152                 return false;
1153         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
1154                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
1155                         idx_type const cell = cellIndex(r, c);
1156                         if ((r != sel_row_start && !topLine(cell)
1157                                         && cell_info[r][c].multirow != CELL_PART_OF_MULTIROW)
1158                                 || (!use_booktabs
1159                                         && c != sel_col_start && !leftLine(cell)
1160                                         && cell_info[r][c].multicolumn != CELL_PART_OF_MULTICOLUMN))
1161                                 return false;
1162                 }
1163         return true;
1164 }
1165
1166
1167 void Tabular::setLines(
1168         row_type const sel_row_start, row_type const sel_row_end,
1169         col_type const sel_col_start, col_type const sel_col_end,
1170         bool setLinesInnerOnly, bool setLines)
1171 {
1172         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
1173                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
1174                         idx_type const cell = cellIndex(r, c);
1175                         if (!(setLinesInnerOnly && r == sel_row_start)
1176                                 // for multirows, cell is taken care of at beginning
1177                                 && cell_info[r][c].multirow != CELL_PART_OF_MULTIROW)
1178                                 setTopLine(cell, setLines);
1179                         if (!(setLinesInnerOnly && r == sel_row_end)
1180                                 &&  (r == sel_row_end || (!setLines
1181                                         // for multirows, cell is taken care of at the last part
1182                                         && cell_info[r + 1][c].multirow != CELL_PART_OF_MULTIROW)))
1183                                 setBottomLine(cell, setLines);
1184                         if (!(setLinesInnerOnly && c == sel_col_start)
1185                                 // for multicolumns, cell is taken care of at beginning
1186                                 && cell_info[r][c].multicolumn != CELL_PART_OF_MULTICOLUMN)
1187                                 setLeftLine(cell, setLines);
1188                         if (!(setLinesInnerOnly && c == sel_col_end)
1189                                 && (c == sel_col_end || (!setLines
1190                                         // for multicolumns, cell is taken care of at the last part
1191                                         && cell_info[r][c + 1].multicolumn != CELL_PART_OF_MULTICOLUMN)))
1192                                 setRightLine(cell, setLines);
1193                 }
1194 }
1195
1196
1197 pair<bool, bool> Tabular::topLineTrim(idx_type const cell) const
1198 {
1199         if (!use_booktabs)
1200                 return make_pair(false, false);
1201         return make_pair(cellInfo(cell).top_line_ltrimmed,
1202                          cellInfo(cell).top_line_rtrimmed);
1203 }
1204
1205
1206 pair<bool, bool> Tabular::bottomLineTrim(idx_type const cell) const
1207 {
1208         if (!use_booktabs)
1209                 return make_pair(false, false);
1210         return make_pair(cellInfo(cell).bottom_line_ltrimmed,
1211                          cellInfo(cell).bottom_line_rtrimmed);
1212 }
1213
1214
1215 int Tabular::interRowSpace(row_type row) const
1216 {
1217         if (!row || row >= nrows())
1218                 return 0;
1219
1220         int const interline_space = row_info[row - 1].interline_space_default ?
1221                 default_line_space :
1222                 row_info[row - 1].interline_space.inPixels(width());
1223         if (rowTopLine(row) && rowBottomLine(row - 1))
1224                 return interline_space + WIDTH_OF_LINE;
1225         return interline_space;
1226 }
1227
1228
1229 int Tabular::interColumnSpace(idx_type cell) const
1230 {
1231         col_type const nextcol = cellColumn(cell) + columnSpan(cell);
1232         if (rightLine(cell) && nextcol < ncols()
1233                 && leftLine(cellIndex(cellRow(cell), nextcol)))
1234                 return WIDTH_OF_LINE;
1235         return 0;
1236 }
1237
1238
1239 int Tabular::cellWidth(idx_type cell) const
1240 {
1241         int w = 0;
1242         col_type const span = columnSpan(cell);
1243         col_type const col = cellColumn(cell);
1244         for(col_type c = col; c < col + span ; ++c)
1245                 w += column_info[c].width;
1246         return w;
1247 }
1248
1249
1250 int Tabular::cellHeight(idx_type cell) const
1251 {
1252         row_type const span = rowSpan(cell);
1253         row_type const row = cellRow(cell);
1254         int h = 0;
1255         for(row_type r = row; r < row + span ; ++r) {
1256                 h += rowAscent(r) + rowDescent(r);
1257                 if (r != row + span - 1)
1258                         h += interRowSpace(r + 1);
1259         }
1260
1261         return h;
1262 }
1263
1264
1265 bool Tabular::updateColumnWidths(MetricsInfo & mi)
1266 {
1267         vector<int> max_dwidth(ncols(), 0);
1268         // collect max. fixed width of column
1269         map<col_type, int> max_pwidth;
1270         // collect max. variable width of column
1271         map<col_type, int> max_width;
1272
1273         for(col_type c = 0; c < ncols(); ++c)
1274                 for(row_type r = 0; r < nrows(); ++r) {
1275                         idx_type const i = cellIndex(r, c);
1276                         if (getAlignment(i) == LYX_ALIGN_DECIMAL)
1277                                 max_dwidth[c] = max(max_dwidth[c], cell_info[r][c].decimal_width);
1278                         if (!getPWidth(i).zero())
1279                                 max_pwidth[c] = max(max_pwidth[c], cell_info[r][c].width);
1280                         else if (!column_info[c].varwidth)
1281                                 max_width[c] = max(max_width[c], cell_info[r][c].width);
1282                 }
1283
1284         // If we have a fixed tabular width, we take this into account
1285         Length tab_width = tabular_width;
1286         bool const tabularx = hasVarwidthColumn();
1287         if (tabularx && tab_width.zero())
1288                 // If no tabular width is specified with X columns,
1289                 // we use 100% colwidth
1290                 tab_width = Length(100, Length::PCW);
1291         int restwidth = -1;
1292         if (!tab_width.zero()) {
1293                 restwidth = mi.base.inPixels(tab_width);
1294                 // Subtract the fixed widths from the table width
1295                 for (auto const & w : max_pwidth)
1296                         restwidth -= w.second;
1297         }
1298
1299         // If we have a fixed width, distribute the available table width
1300         // (minus the fixed widths) to the variable-width columns
1301         int vcolwidth = -1;
1302         int restcols = ncols() - max_pwidth.size();
1303         if ((restwidth > 0) && (restcols != 0))
1304                 vcolwidth = restwidth / restcols;
1305
1306         // Now consider that some variable width columns exceed the vcolwidth
1307         if (vcolwidth > 0) {
1308                 bool changed = false;
1309                 for (auto const & w : max_width) {
1310                         if (tabularx || w.second > vcolwidth) {
1311                                 --restcols;
1312                                 restwidth -= w.second;
1313                                 changed = true;
1314                         }
1315                 }
1316                 if (changed && restwidth > 0)
1317                         vcolwidth = restwidth / restcols;
1318         }
1319
1320         bool update = false;
1321         // for each col get max of single col cells
1322         for(col_type c = 0; c < ncols(); ++c) {
1323                 int new_width = 0;
1324                 for(row_type r = 0; r < nrows(); ++r) {
1325                         idx_type const i = cellIndex(r, c);
1326                         if (columnSpan(i) == 1) {
1327                                 if (getAlignment(i) == LYX_ALIGN_DECIMAL
1328                                         && cell_info[r][c].decimal_width != 0)
1329                                         new_width = max(new_width, cellInfo(i).width
1330                                                 + max_dwidth[c] - cellInfo(i).decimal_width);
1331                                 else if (getPWidth(i).zero() && vcolwidth > 0) {
1332                                         if (tabularx && !column_info[c].varwidth)
1333                                                 new_width = max(new_width, cellInfo(i).width);
1334                                         else if (tabularx)
1335                                                 new_width = vcolwidth;
1336                                         else
1337                                                 new_width = max(vcolwidth, max(new_width, cellInfo(i).width));
1338                                 } else
1339                                         new_width = max(new_width, cellInfo(i).width);
1340                         }
1341                 }
1342
1343                 if (column_info[c].width != new_width) {
1344                         column_info[c].width = new_width;
1345                         // Do not trigger update when no space is left for variable
1346                         // columns, as this will loop
1347                         update = tab_width.zero() || restwidth > 0;
1348                 }
1349         }
1350         // update col widths to fit merged cells
1351         for(col_type c = 0; c < ncols(); ++c)
1352                 for(row_type r = 0; r < nrows(); ++r) {
1353                         idx_type const i = cellIndex(r, c);
1354                         int const span = columnSpan(i);
1355                         if (span == 1 || c > cellColumn(i))
1356                                 continue;
1357
1358                         int old_width = 0;
1359                         for(col_type j = c; j < c + span ; ++j)
1360                                 old_width += column_info[j].width;
1361
1362                         if (cellInfo(i).width > old_width) {
1363                                 column_info[c + span - 1].width += cellInfo(i).width - old_width;
1364                                 // Do not trigger update when no space is left for variable
1365                                 // columns, as this will loop
1366                                 update = tab_width.zero() || restwidth > 0;
1367                         }
1368                 }
1369
1370         return update;
1371 }
1372
1373
1374 int Tabular::width() const
1375 {
1376         int width = 0;
1377         for (col_type c = 0; c < ncols(); ++c)
1378                 width += column_info[c].width;
1379         return width;
1380 }
1381
1382
1383 void Tabular::setAlignment(idx_type cell, LyXAlignment align,
1384                               bool has_width)
1385 {
1386         col_type const col = cellColumn(cell);
1387         // set alignment for the whole row if we are not in a multicolumn cell,
1388         // exclude possible multicolumn cells in the row
1389         if (!isMultiColumn(cell)) {
1390                 for (row_type r = 0; r < nrows(); ++r) {
1391                         // only if the column has no width the multirow inherits the
1392                         // alignment of the column, otherwise it is left aligned
1393                         if (!(isMultiRow(cellIndex(r, col)) && has_width)
1394                                 && !isMultiColumn(cellIndex(r, col))) {
1395                                 cell_info[r][col].alignment = align;
1396                                 cell_info[r][col].inset->setContentAlignment(align);
1397                         }
1398                         if ((isMultiRow(cellIndex(r, col)) && has_width)
1399                                 && !isMultiColumn(cellIndex(r, col))) {
1400                                 cell_info[r][col].alignment = LYX_ALIGN_LEFT;
1401                                 cell_info[r][col].inset->setContentAlignment(LYX_ALIGN_LEFT);
1402                         }
1403                 }
1404                 column_info[col].alignment = align;
1405                 docstring & dpoint = column_info[col].decimal_point;
1406                 if (align == LYX_ALIGN_DECIMAL && dpoint.empty()) {
1407                         Language const * tlang = buffer().paragraphs().front().getParLanguage(buffer().params());
1408                         dpoint = tlang->decimalSeparator();
1409                 }
1410         } else {
1411                 cellInfo(cell).alignment = align;
1412                 cellInset(cell)->setContentAlignment(align);
1413         }
1414 }
1415
1416
1417 void Tabular::setVAlignment(idx_type cell, VAlignment align,
1418                                bool onlycolumn)
1419 {
1420         if (!isMultiColumn(cell) || onlycolumn)
1421                 column_info[cellColumn(cell)].valignment = align;
1422         if (!onlycolumn)
1423                 cellInfo(cell).valignment = align;
1424 }
1425
1426
1427 namespace {
1428
1429 /**
1430  * Allow line and paragraph breaks for fixed width multirow cells
1431  * or disallow them, merge cell paragraphs and reset layout to standard
1432  * for variable width multicol cells.
1433  */
1434 void toggleFixedWidth(Cursor & cur, InsetTableCell * inset,
1435                       bool const fixedWidth, bool const multirow)
1436 {
1437         inset->toggleFixedWidth(fixedWidth);
1438         if (!multirow)
1439                 return;
1440
1441         BufferParams const & bp = cur.bv().buffer().params();
1442         // reset layout
1443         cur.push(*inset);
1444         // undo information has already been recorded
1445         inset->getText(0)->setLayout(0, cur.lastpit() + 1,
1446                         bp.documentClass().plainLayoutName());
1447         cur.pop();
1448 }
1449
1450 } // namespace
1451
1452
1453 void Tabular::setColumnPWidth(Cursor & cur, idx_type cell,
1454                 Length const & width)
1455 {
1456         col_type const c = cellColumn(cell);
1457
1458         column_info[c].p_width = width;
1459         // reset the vertical alignment to top if the fixed width
1460         // is removed or zero because only fixed width columns can
1461         // have a vertical alignment
1462         if (column_info[c].p_width.zero())
1463                 column_info[c].valignment = LYX_VALIGN_TOP;
1464         for (row_type r = 0; r < nrows(); ++r) {
1465                 idx_type const cidx = cellIndex(r, c);
1466                 // because of multicolumns
1467                 toggleFixedWidth(cur, cellInset(cidx).get(),
1468                                  !getPWidth(cidx).zero(), isMultiRow(cidx));
1469                 if (isMultiRow(cidx))
1470                         setAlignment(cidx, column_info[c].alignment,
1471                                      !column_info[c].p_width.zero());
1472         }
1473         // cur can become invalid after paragraphs were merged
1474         cur.fixIfBroken();
1475 }
1476
1477
1478 bool Tabular::setFixedWidth(row_type r, col_type c)
1479 {
1480         bool const multicol = cell_info[r][c].multicolumn != CELL_NORMAL;
1481         bool const fixed_width = (!column_info[c].p_width.zero() && !multicol)
1482               || (multicol && !cell_info[r][c].p_width.zero());
1483         cell_info[r][c].inset->toggleFixedWidth(fixed_width);
1484         return fixed_width;
1485 }
1486
1487
1488 bool Tabular::setMColumnPWidth(Cursor & cur, idx_type cell,
1489                 Length const & width)
1490 {
1491         if (!isMultiColumn(cell))
1492                 return false;
1493
1494         cellInfo(cell).p_width = width;
1495         toggleFixedWidth(cur, cellInset(cell).get(), !width.zero(),
1496                         isMultiRow(cell));
1497         // cur can become invalid after paragraphs were merged
1498         cur.fixIfBroken();
1499         return true;
1500 }
1501
1502
1503 bool Tabular::toggleVarwidth(idx_type cell, bool const varwidth)
1504 {
1505         column_info[cellColumn(cell)].varwidth = varwidth;
1506         cellInset(cell).get()->toggleVarWidth(varwidth);
1507         return true;
1508 }
1509
1510
1511 bool Tabular::setMROffset(Cursor &, idx_type cell, Length const & mroffset)
1512 {
1513         cellInfo(cell).mroffset = mroffset;
1514         return true;
1515 }
1516
1517
1518 void Tabular::setAlignSpecial(idx_type cell, docstring const & special,
1519                                  Tabular::Feature what)
1520 {
1521         if (what == SET_SPECIAL_MULTICOLUMN)
1522                 cellInfo(cell).align_special = special;
1523         else
1524                 column_info[cellColumn(cell)].align_special = special;
1525 }
1526
1527
1528 void Tabular::setTopLine(idx_type i, bool line)
1529 {
1530         cellInfo(i).top_line = line;
1531 }
1532
1533
1534 void Tabular::setBottomLine(idx_type i, bool line)
1535 {
1536         cellInfo(i).bottom_line = line;
1537 }
1538
1539
1540 void Tabular::setTopLineLTrim(idx_type i, bool val)
1541 {
1542         cellInfo(i).top_line_ltrimmed = val;
1543 }
1544
1545
1546 void Tabular::setTopLineRTrim(idx_type i, bool val)
1547 {
1548         cellInfo(i).top_line_rtrimmed = val;
1549 }
1550
1551
1552 void Tabular::setBottomLineLTrim(idx_type i, bool val)
1553 {
1554         cellInfo(i).bottom_line_ltrimmed = val;
1555 }
1556
1557
1558 void Tabular::setBottomLineRTrim(idx_type i, bool val)
1559 {
1560         cellInfo(i).bottom_line_rtrimmed = val;
1561 }
1562
1563
1564 void Tabular::setTopLineTrim(idx_type i, pair<bool, bool> trim)
1565 {
1566         setTopLineLTrim(i, trim.first);
1567         setTopLineRTrim(i, trim.second);
1568 }
1569
1570 void Tabular::setBottomLineTrim(idx_type i, pair<bool, bool> trim)
1571 {
1572         setBottomLineLTrim(i, trim.first);
1573         setBottomLineRTrim(i, trim.second);
1574 }
1575
1576 void Tabular::setLeftLine(idx_type cell, bool line)
1577 {
1578         cellInfo(cell).left_line = line;
1579 }
1580
1581
1582 void Tabular::setRightLine(idx_type cell, bool line)
1583 {
1584         cellInfo(cell).right_line = line;
1585 }
1586
1587 bool Tabular::rowTopLine(row_type r) const
1588 {
1589         bool all_rows_set = true;
1590         for (col_type c = 0; all_rows_set && c < ncols(); ++c)
1591                 all_rows_set = cellInfo(cellIndex(r, c)).top_line;
1592         return all_rows_set;
1593 }
1594
1595
1596 bool Tabular::rowBottomLine(row_type r) const
1597 {
1598         bool all_rows_set = true;
1599         for (col_type c = 0; all_rows_set && c < ncols(); ++c)
1600                 all_rows_set = cellInfo(cellIndex(r, c)).bottom_line;
1601         return all_rows_set;
1602 }
1603
1604
1605 bool Tabular::columnLeftLine(col_type c) const
1606 {
1607         if (use_booktabs)
1608                 return false;
1609
1610         int nrows_left = 0;
1611         int total = 0;
1612         for (row_type r = 0; r < nrows(); ++r) {
1613                 idx_type const i = cellIndex(r, c);
1614                 if (c == cellColumn(i)) {
1615                         ++total;
1616                         bool right = c > 0 && cellInfo(cellIndex(r, c - 1)).right_line;
1617                         if (cellInfo(i).left_line || right)
1618                                 ++nrows_left;
1619                 }
1620         }
1621         return 2 * nrows_left >= total;
1622 }
1623
1624
1625 bool Tabular::columnRightLine(col_type c) const
1626 {
1627         if (use_booktabs)
1628                 return false;
1629
1630         int nrows_right = 0;
1631         int total = 0;
1632         for (row_type r = 0; r < nrows(); ++r) {
1633                 idx_type i = cellIndex(r, c);
1634                 if (c == cellColumn(i) + columnSpan(i) - 1) {
1635                         ++total;
1636                         bool left = (c + 1 < ncols()
1637                                 && cellInfo(cellIndex(r, c + 1)).left_line)
1638                                 || c + 1 == ncols();
1639                         if (cellInfo(i).right_line && left)
1640                                 ++nrows_right;
1641                 }
1642         }
1643         return 2 * nrows_right >= total;
1644 }
1645
1646
1647 LyXAlignment Tabular::getAlignment(idx_type cell, bool onlycolumn) const
1648 {
1649         if (!onlycolumn && (isMultiColumn(cell) || isMultiRow(cell)))
1650                 return cellInfo(cell).alignment;
1651
1652         return column_info[cellColumn(cell)].alignment;
1653 }
1654
1655
1656 Tabular::VAlignment
1657 Tabular::getVAlignment(idx_type cell, bool onlycolumn) const
1658 {
1659         if (!onlycolumn && (isMultiColumn(cell) || isMultiRow(cell)))
1660                 return cellInfo(cell).valignment;
1661         return column_info[cellColumn(cell)].valignment;
1662 }
1663
1664
1665 int Tabular::offsetVAlignment() const
1666 {
1667         // for top-alignment the first horizontal table line must be exactly at
1668         // the position of the base line of the surrounding text line
1669         // for bottom alignment, the same is for the last table line
1670         int offset_valign = 0;
1671         switch (tabular_valignment) {
1672         case Tabular::LYX_VALIGN_BOTTOM:
1673                 offset_valign = rowAscent(0) - height();
1674                 break;
1675         case Tabular::LYX_VALIGN_MIDDLE:
1676                 offset_valign = (- height()) / 2 + rowAscent(0);
1677                 break;
1678         case Tabular::LYX_VALIGN_TOP:
1679                 offset_valign = rowAscent(0);
1680                 break;
1681         }
1682         return offset_valign;
1683 }
1684
1685
1686 Length const Tabular::getPWidth(idx_type cell) const
1687 {
1688         if (isMultiColumn(cell))
1689                 return cellInfo(cell).p_width;
1690         return column_info[cellColumn(cell)].p_width;
1691 }
1692
1693
1694 Length const Tabular::getMROffset(idx_type cell) const
1695 {
1696         return cellInfo(cell).mroffset;
1697 }
1698
1699
1700 int Tabular::textHOffset(idx_type cell) const
1701 {
1702         // the LaTeX Way :-(
1703         int x = WIDTH_OF_LINE;
1704
1705         int const w = cellWidth(cell) - cellInfo(cell).width;
1706
1707         switch (getAlignment(cell)) {
1708         case LYX_ALIGN_CENTER:
1709                 x += w / 2;
1710                 break;
1711         case LYX_ALIGN_RIGHT:
1712                 x += w;
1713                 break;
1714         case LYX_ALIGN_DECIMAL: {
1715                 // we center when no decimal point
1716                 if (cellInfo(cell).decimal_width == 0) {
1717                         x += w / 2;
1718                         break;
1719                 }
1720                 col_type const c = cellColumn(cell);
1721                 int max_dhoffset = 0;
1722                 for(row_type r = 0; r < row_info.size() ; ++r) {
1723                         idx_type const i = cellIndex(r, c);
1724                         if (getAlignment(i) == LYX_ALIGN_DECIMAL
1725                                 && cellInfo(i).decimal_width != 0)
1726                                 max_dhoffset = max(max_dhoffset, cellInfo(i).decimal_hoffset);
1727                 }
1728                 x += max_dhoffset - cellInfo(cell).decimal_hoffset;
1729         }
1730         default:
1731                 // LYX_ALIGN_LEFT: nothing :-)
1732                 break;
1733         }
1734
1735         return x;
1736 }
1737
1738
1739 int Tabular::textVOffset(idx_type cell) const
1740 {
1741         int voffset = cellInfo(cell).voffset;
1742         if (isMultiRow(cell)) {
1743                 row_type const row = cellRow(cell);
1744                 voffset += (cellHeight(cell) - rowAscent(row) - rowDescent(row))/2;
1745         }
1746         return voffset;
1747 }
1748
1749
1750 idx_type Tabular::getFirstCellInRow(row_type row, bool const ct) const
1751 {
1752         col_type c = 0;
1753         idx_type const numcells = numberOfCellsInRow(row);
1754         // we check against numcells to make sure we do not crash if all the
1755         // cells are multirow (bug #7535), but in that case our return value
1756         // is really invalid, i.e., it is NOT the first cell in the row. but
1757         // i do not know what to do here. (rgh)
1758         while (c < numcells - 1
1759                && (cell_info[row][c].multirow == CELL_PART_OF_MULTIROW
1760                    || (ct && column_info[c].change.deleted())))
1761                 ++c;
1762         return cell_info[row][c].cellno;
1763 }
1764
1765
1766 idx_type Tabular::getLastCellInRow(row_type row, bool const ct) const
1767 {
1768         col_type c = ncols() - 1;
1769         // of course we check against 0 so we don't crash. but we have the same
1770         // problem as in the previous routine: if all the cells are part of a
1771         // multirow or part of a multi column, then our return value is invalid.
1772         while (c > 0
1773                && ((cell_info[row][c].multirow == CELL_PART_OF_MULTIROW
1774                    || cell_info[row][c].multicolumn == CELL_PART_OF_MULTICOLUMN)
1775                   || (ct && column_info[c].change.deleted())))
1776                 --c;
1777         return cell_info[row][c].cellno;
1778 }
1779
1780
1781 row_type Tabular::getFirstRow(bool const ct) const
1782 {
1783         row_type r = 0;
1784         if (!ct)
1785                 return r;
1786         // exclude deleted rows if ct == true
1787         while (r < nrows() && row_info[r].change.deleted())
1788                 ++r;
1789         return r;
1790 }
1791
1792
1793 row_type Tabular::getLastRow(bool const ct) const
1794 {
1795         row_type r = nrows() - 1;
1796         if (!ct)
1797                 return r;
1798         // exclude deleted rows if ct == true
1799         while (r > 0 && row_info[r].change.deleted())
1800                 --r;
1801         return r;
1802 }
1803
1804
1805 row_type Tabular::cellRow(idx_type cell) const
1806 {
1807         if (cell >= numberofcells)
1808                 return nrows() - 1;
1809         if (cell == npos)
1810                 return 0;
1811         return rowofcell[cell];
1812 }
1813
1814
1815 col_type Tabular::cellColumn(idx_type cell) const
1816 {
1817         if (cell >= numberofcells)
1818                 return ncols() - 1;
1819         if (cell == npos)
1820                 return 0;
1821         return columnofcell[cell];
1822 }
1823
1824
1825 void Tabular::write(ostream & os) const
1826 {
1827         // header line
1828         os << "<lyxtabular"
1829            << write_attribute("version", 3)
1830            << write_attribute("rows", nrows())
1831            << write_attribute("columns", ncols())
1832            << ">\n";
1833         // global longtable options
1834         os << "<features"
1835            << write_attribute("rotate", rotate)
1836            << write_attribute("booktabs", use_booktabs)
1837            << write_attribute("islongtable", is_long_tabular)
1838            << write_attribute("firstHeadTopDL", endfirsthead.topDL)
1839            << write_attribute("firstHeadBottomDL", endfirsthead.bottomDL)
1840            << write_attribute("firstHeadEmpty", endfirsthead.empty)
1841            << write_attribute("headTopDL", endhead.topDL)
1842            << write_attribute("headBottomDL", endhead.bottomDL)
1843            << write_attribute("footTopDL", endfoot.topDL)
1844            << write_attribute("footBottomDL", endfoot.bottomDL)
1845            << write_attribute("lastFootTopDL", endlastfoot.topDL)
1846            << write_attribute("lastFootBottomDL", endlastfoot.bottomDL)
1847            << write_attribute("lastFootEmpty", endlastfoot.empty);
1848         // longtables cannot be aligned vertically
1849         if (!is_long_tabular)
1850                 os << write_attribute("tabularvalignment", tabular_valignment);
1851         os << write_attribute("tabularwidth", tabular_width);
1852         if (is_long_tabular)
1853                 os << write_attribute("longtabularalignment", longtabular_alignment);
1854         os << ">\n";
1855         for (col_type c = 0; c < ncols(); ++c) {
1856                 os << "<column"
1857                    << write_attribute("alignment", column_info[c].alignment);
1858                 if (column_info[c].alignment == LYX_ALIGN_DECIMAL)
1859                         os << write_attribute("decimal_point", column_info[c].decimal_point);
1860                 os << write_attribute("change", column_info[c].change, buffer().params())
1861                    << write_attribute("valignment", column_info[c].valignment)
1862                    << write_attribute("width", column_info[c].p_width.asString())
1863                    << write_attribute("varwidth", column_info[c].varwidth)
1864                    << write_attribute("special", column_info[c].align_special)
1865                    << ">\n";
1866         }
1867         for (row_type r = 0; r < nrows(); ++r) {
1868                 static const string def("default");
1869                 os << "<row";
1870                 if (row_info[r].top_space_default)
1871                         os << write_attribute("topspace", def);
1872                 else
1873                         os << write_attribute("topspace", row_info[r].top_space);
1874                 if (row_info[r].bottom_space_default)
1875                         os << write_attribute("bottomspace", def);
1876                 else
1877                         os << write_attribute("bottomspace", row_info[r].bottom_space);
1878                 if (row_info[r].interline_space_default)
1879                         os << write_attribute("interlinespace", def);
1880                 else
1881                         os << write_attribute("interlinespace", row_info[r].interline_space);
1882                 os << write_attribute("change", row_info[r].change, buffer().params())
1883                    << write_attribute("endhead", row_info[r].endhead)
1884                    << write_attribute("endfirsthead", row_info[r].endfirsthead)
1885                    << write_attribute("endfoot", row_info[r].endfoot)
1886                    << write_attribute("endlastfoot", row_info[r].endlastfoot)
1887                    << write_attribute("newpage", row_info[r].newpage)
1888                    << write_attribute("caption", row_info[r].caption)
1889                    << ">\n";
1890                 for (col_type c = 0; c < ncols(); ++c) {
1891                         os << "<cell"
1892                            << write_attribute("multicolumn", cell_info[r][c].multicolumn)
1893                            << write_attribute("multirow", cell_info[r][c].multirow)
1894                            << write_attribute("mroffset", cell_info[r][c].mroffset)
1895                            << write_attribute("alignment", cell_info[r][c].alignment)
1896                            << write_attribute("valignment", cell_info[r][c].valignment)
1897                            << write_attribute("topline", cell_info[r][c].top_line)
1898                            << write_attribute("toplineltrim", cell_info[r][c].top_line_ltrimmed)
1899                            << write_attribute("toplinertrim", cell_info[r][c].top_line_rtrimmed)
1900                            << write_attribute("bottomline", cell_info[r][c].bottom_line)
1901                            << write_attribute("bottomlineltrim", cell_info[r][c].bottom_line_ltrimmed)
1902                            << write_attribute("bottomlinertrim", cell_info[r][c].bottom_line_rtrimmed)
1903                            << write_attribute("leftline", cell_info[r][c].left_line)
1904                            << write_attribute("rightline", cell_info[r][c].right_line)
1905                            << write_attribute("rotate", cell_info[r][c].rotate)
1906                            << write_attribute("usebox", cell_info[r][c].usebox)
1907                            << write_attribute("width", cell_info[r][c].p_width)
1908                            << write_attribute("special", cell_info[r][c].align_special)
1909                            << ">\n";
1910                         os << "\\begin_inset ";
1911                         cell_info[r][c].inset->write(os);
1912                         os << "\n\\end_inset\n"
1913                            << "</cell>\n";
1914                         // FIXME This can be removed again once the mystery
1915                         // crash has been resolved.
1916                         os << flush;
1917                 }
1918                 os << "</row>\n";
1919         }
1920         os << "</lyxtabular>\n";
1921 }
1922
1923
1924 void Tabular::read(Lexer & lex)
1925 {
1926         string line;
1927         istream & is = lex.getStream();
1928
1929         l_getline(is, line);
1930         if (!prefixIs(line, "<lyxtabular ") && !prefixIs(line, "<Tabular ")) {
1931                 LASSERT(false, return);
1932         }
1933
1934         int version;
1935         if (!getTokenValue(line, "version", version))
1936                 return;
1937         LATTEST(version >= 2);
1938
1939         int rows_arg;
1940         if (!getTokenValue(line, "rows", rows_arg))
1941                 return;
1942         int columns_arg;
1943         if (!getTokenValue(line, "columns", columns_arg))
1944                 return;
1945         init(buffer_, rows_arg, columns_arg);
1946         l_getline(is, line);
1947         if (!prefixIs(line, "<features")) {
1948                 lyxerr << "Wrong tabular format (expected <features ...> got"
1949                        << line << ')' << endl;
1950                 return;
1951         }
1952         getTokenValue(line, "rotate", rotate);
1953         getTokenValue(line, "booktabs", use_booktabs);
1954         getTokenValue(line, "islongtable", is_long_tabular);
1955         getTokenValue(line, "tabularvalignment", tabular_valignment);
1956         getTokenValue(line, "tabularwidth", tabular_width);
1957         getTokenValue(line, "longtabularalignment", longtabular_alignment);
1958         getTokenValue(line, "firstHeadTopDL", endfirsthead.topDL);
1959         getTokenValue(line, "firstHeadBottomDL", endfirsthead.bottomDL);
1960         getTokenValue(line, "firstHeadEmpty", endfirsthead.empty);
1961         getTokenValue(line, "headTopDL", endhead.topDL);
1962         getTokenValue(line, "headBottomDL", endhead.bottomDL);
1963         getTokenValue(line, "footTopDL", endfoot.topDL);
1964         getTokenValue(line, "footBottomDL", endfoot.bottomDL);
1965         getTokenValue(line, "lastFootTopDL", endlastfoot.topDL);
1966         getTokenValue(line, "lastFootBottomDL", endlastfoot.bottomDL);
1967         getTokenValue(line, "lastFootEmpty", endlastfoot.empty);
1968
1969         for (col_type c = 0; c < ncols(); ++c) {
1970                 l_getline(is,line);
1971                 if (!prefixIs(line,"<column")) {
1972                         lyxerr << "Wrong tabular format (expected <column ...> got"
1973                                << line << ')' << endl;
1974                         return;
1975                 }
1976                 getTokenValue(line, "alignment", column_info[c].alignment);
1977                 getTokenValue(line, "decimal_point", column_info[c].decimal_point);
1978                 getTokenValue(line, "valignment", column_info[c].valignment);
1979                 getTokenValue(line, "width", column_info[c].p_width);
1980                 getTokenValue(line, "special", column_info[c].align_special);
1981                 getTokenValue(line, "varwidth", column_info[c].varwidth);
1982                 getTokenValue(line, "change", column_info[c].change, buffer().params());
1983         }
1984
1985         for (row_type i = 0; i < nrows(); ++i) {
1986                 l_getline(is, line);
1987                 if (!prefixIs(line, "<row")) {
1988                         lyxerr << "Wrong tabular format (expected <row ...> got"
1989                                << line << ')' << endl;
1990                         return;
1991                 }
1992                 getTokenValue(line, "topspace", row_info[i].top_space,
1993                               row_info[i].top_space_default);
1994                 getTokenValue(line, "bottomspace", row_info[i].bottom_space,
1995                               row_info[i].bottom_space_default);
1996                 getTokenValue(line, "interlinespace", row_info[i].interline_space,
1997                               row_info[i].interline_space_default);
1998                 getTokenValue(line, "endfirsthead", row_info[i].endfirsthead);
1999                 getTokenValue(line, "endhead", row_info[i].endhead);
2000                 getTokenValue(line, "endfoot", row_info[i].endfoot);
2001                 getTokenValue(line, "endlastfoot", row_info[i].endlastfoot);
2002                 getTokenValue(line, "newpage", row_info[i].newpage);
2003                 getTokenValue(line, "caption", row_info[i].caption);
2004                 getTokenValue(line, "change", row_info[i].change, buffer().params());
2005                 for (col_type j = 0; j < ncols(); ++j) {
2006                         l_getline(is, line);
2007                         if (!prefixIs(line, "<cell")) {
2008                                 lyxerr << "Wrong tabular format (expected <cell ...> got"
2009                                        << line << ')' << endl;
2010                                 return;
2011                         }
2012                         getTokenValue(line, "multicolumn", cell_info[i][j].multicolumn);
2013                         getTokenValue(line, "multirow", cell_info[i][j].multirow);
2014                         getTokenValue(line, "mroffset", cell_info[i][j].mroffset);
2015                         getTokenValue(line, "alignment", cell_info[i][j].alignment);
2016                         getTokenValue(line, "valignment", cell_info[i][j].valignment);
2017                         getTokenValue(line, "topline", cell_info[i][j].top_line);
2018                         getTokenValue(line, "toplineltrim", cell_info[i][j].top_line_ltrimmed);
2019                         getTokenValue(line, "toplinertrim", cell_info[i][j].top_line_rtrimmed);
2020                         getTokenValue(line, "bottomline", cell_info[i][j].bottom_line);
2021                         getTokenValue(line, "bottomlineltrim", cell_info[i][j].bottom_line_ltrimmed);
2022                         getTokenValue(line, "bottomlinertrim", cell_info[i][j].bottom_line_rtrimmed);
2023                         getTokenValue(line, "leftline", cell_info[i][j].left_line);
2024                         getTokenValue(line, "rightline", cell_info[i][j].right_line);
2025                         getTokenValue(line, "rotate", cell_info[i][j].rotate);
2026                         getTokenValue(line, "usebox", cell_info[i][j].usebox);
2027                         getTokenValue(line, "width", cell_info[i][j].p_width);
2028                         setFixedWidth(i,j);
2029                         getTokenValue(line, "special", cell_info[i][j].align_special);
2030                         l_getline(is, line);
2031                         if (prefixIs(line, "\\begin_inset")) {
2032                                 cell_info[i][j].inset->setBuffer(*buffer_);
2033                                 cell_info[i][j].inset->read(lex);
2034                                 l_getline(is, line);
2035                         }
2036                         if (!prefixIs(line, "</cell>")) {
2037                                 lyxerr << "Wrong tabular format (expected </cell> got"
2038                                        << line << ')' << endl;
2039                                 return;
2040                         }
2041                 }
2042                 l_getline(is, line);
2043                 if (!prefixIs(line, "</row>")) {
2044                         lyxerr << "Wrong tabular format (expected </row> got"
2045                                << line << ')' << endl;
2046                         return;
2047                 }
2048         }
2049         while (!prefixIs(line, "</lyxtabular>")) {
2050                 l_getline(is, line);
2051         }
2052         updateIndexes();
2053 }
2054
2055
2056 bool Tabular::isMultiColumn(idx_type cell) const
2057 {
2058         return (cellInfo(cell).multicolumn == CELL_BEGIN_OF_MULTICOLUMN
2059                 || cellInfo(cell).multicolumn == CELL_PART_OF_MULTICOLUMN);
2060 }
2061
2062
2063 bool Tabular::hasMultiColumn(col_type c) const
2064 {
2065         for (row_type r = 0; r < nrows(); ++r) {
2066                 if (isMultiColumn(cellIndex(r, c)))
2067                         return true;
2068         }
2069         return false;
2070 }
2071
2072
2073 bool Tabular::hasVarwidthColumn() const
2074 {
2075         for (col_type c = 0; c < ncols(); ++c) {
2076                 if (column_info[c].varwidth)
2077                         return true;
2078         }
2079         return false;
2080 }
2081
2082
2083 bool Tabular::isVTypeColumn(col_type c) const
2084 {
2085         for (row_type r = 0; r < nrows(); ++r) {
2086                 idx_type idx = cellIndex(r, c);
2087                 if (getRotateCell(idx) == 0 && useBox(idx) == BOX_VARWIDTH
2088                     && getAlignment(idx) == LYX_ALIGN_LEFT
2089                     && getVAlignment(idx) == LYX_VALIGN_TOP)
2090                         return true;
2091         }
2092         return false;
2093 }
2094
2095
2096 Tabular::CellData const & Tabular::cellInfo(idx_type cell) const
2097 {
2098         return cell_info[cellRow(cell)][cellColumn(cell)];
2099 }
2100
2101
2102 Tabular::CellData & Tabular::cellInfo(idx_type cell)
2103 {
2104         return cell_info[cellRow(cell)][cellColumn(cell)];
2105 }
2106
2107
2108 idx_type Tabular::setMultiColumn(Cursor & cur, idx_type cell, idx_type number,
2109                                           bool const right_border)
2110 {
2111         idx_type const col = cellColumn(cell);
2112         idx_type const row = cellRow(cell);
2113         for (idx_type i = 0; i < number; ++i)
2114                 unsetMultiRow(cellIndex(row, col + i));
2115
2116         // unsetting of multirow may have invalidated cell index
2117         cell = cellIndex(row, col);
2118         CellData & cs = cellInfo(cell);
2119         cs.multicolumn = CELL_BEGIN_OF_MULTICOLUMN;
2120         if (column_info[col].alignment != LYX_ALIGN_DECIMAL)
2121                 cs.alignment = column_info[col].alignment;
2122         setRightLine(cell, right_border);
2123         // non-fixed width multicolumns cannot have multiple paragraphs
2124         if (getPWidth(cell).zero()) {
2125                 toggleFixedWidth(cur, cellInset(cell).get(),
2126                                  !getPWidth(cell).zero(), isMultiRow(cell));
2127                 // cur can become invalid after paragraphs were merged
2128                 cur.fixIfBroken();
2129         }
2130
2131         idx_type lastcell = cellIndex(row, col + number - 1);
2132         for (idx_type i = 1; i < lastcell - cell + 1; ++i) {
2133                 CellData & cs1 = cellInfo(cell + i);
2134                 cs1.multicolumn = CELL_PART_OF_MULTICOLUMN;
2135                 cs.inset->appendParagraphs(cs1.inset->paragraphs());
2136                 cs1.inset->clear();
2137         }
2138         updateIndexes();
2139         return cell;
2140 }
2141
2142
2143 bool Tabular::isMultiRow(idx_type cell) const
2144 {
2145         return (cellInfo(cell).multirow == CELL_BEGIN_OF_MULTIROW
2146                 || cellInfo(cell).multirow == CELL_PART_OF_MULTIROW);
2147 }
2148
2149 bool Tabular::hasMultiRow(row_type r) const
2150 {
2151         for (col_type c = 0; c < ncols(); ++c) {
2152                 if (isMultiRow(cellIndex(r, c)))
2153                         return true;
2154         }
2155         return false;
2156 }
2157
2158 idx_type Tabular::setMultiRow(Cursor & cur, idx_type cell, idx_type number,
2159                                        bool const bottom_border,
2160                                        LyXAlignment const halign)
2161 {
2162         idx_type const col = cellColumn(cell);
2163         idx_type const row = cellRow(cell);
2164         for (idx_type i = 0; i < number; ++i)
2165                 unsetMultiColumn(cellIndex(row + i, col));
2166
2167         // unsetting of multirow may have invalidated cell index
2168         cell = cellIndex(row, col);
2169         CellData & cs = cellInfo(cell);
2170         cs.multirow = CELL_BEGIN_OF_MULTIROW;
2171         cs.valignment = LYX_VALIGN_MIDDLE;
2172         // the horizontal alignment of multirow cells can only
2173         // be changed for the whole table row,
2174         // support changing this only for the multirow cell can be done via
2175         // \multirowsetup
2176         if (getPWidth(cell).zero())
2177                 cs.alignment = halign;
2178         else
2179                 cs.alignment = LYX_ALIGN_LEFT;
2180
2181         // Multirows cannot have multiple paragraphs
2182         if (getPWidth(cell).zero()) {
2183                 toggleFixedWidth(cur, cellInset(cell).get(),
2184                                  !getPWidth(cell).zero(),
2185                                  isMultiRow(cell));
2186                 // cur can become invalid after paragraphs were merged
2187                 cur.fixIfBroken();
2188         }
2189
2190         // set the bottom line of the last selected cell
2191         setBottomLine(cell, bottom_border);
2192
2193         for (idx_type i = 1; i < number; ++i) {
2194                 CellData & cs1 = cell_info[row + i][col];
2195                 cs1.multirow = CELL_PART_OF_MULTIROW;
2196                 cs.inset->appendParagraphs(cs1.inset->paragraphs());
2197                 cs1.inset->clear();
2198         }
2199         updateIndexes();
2200         return cell;
2201 }
2202
2203
2204 idx_type Tabular::columnSpan(idx_type cell) const
2205 {
2206         row_type const row = cellRow(cell);
2207         col_type const col = cellColumn(cell);
2208         int span = 1;
2209         while (col + span < ncols() && isPartOfMultiColumn(row, col + span))
2210                 ++span;
2211
2212         return span;
2213 }
2214
2215
2216 idx_type Tabular::rowSpan(idx_type cell) const
2217 {
2218         col_type const column = cellColumn(cell);
2219         col_type row = cellRow(cell) + 1;
2220         while (row < nrows() && isPartOfMultiRow(row, column))
2221                 ++row;
2222
2223         return row - cellRow(cell);
2224 }
2225
2226
2227 void Tabular::unsetMultiColumn(idx_type cell)
2228 {
2229         if (!isMultiColumn(cell))
2230                 return;
2231
2232         row_type const row = cellRow(cell);
2233         col_type const col = cellColumn(cell);
2234         row_type const span = columnSpan(cell);
2235         for (col_type c = 0; c < span; ++c) {
2236                 // in the table dialog the lines are set in every case
2237                 // when unsetting a multicolumn this leads to an additional right
2238                 // line for every cell that was part of the former multicolumn cell,
2239                 // except if the cell is in the last column
2240                 // therefore remove this line
2241                 if (cell_info[row][col + c].multicolumn == CELL_BEGIN_OF_MULTICOLUMN
2242                         && (col + c) < (col + span - 1))
2243                         cell_info[row][col + c].right_line = false;
2244                 cell_info[row][col + c].multicolumn = CELL_NORMAL;
2245         }
2246         updateIndexes();
2247 }
2248
2249
2250 void Tabular::unsetMultiRow(idx_type cell)
2251 {
2252         if (!isMultiRow(cell))
2253                 return;
2254
2255         cellInfo(cell).valignment = LYX_VALIGN_TOP;
2256         cellInfo(cell).alignment = LYX_ALIGN_CENTER;
2257         row_type const row = cellRow(cell);
2258         col_type const col = cellColumn(cell);
2259         row_type const span = rowSpan(cell);
2260         for (row_type r = 0; r < span; ++r)
2261                 cell_info[row + r][col].multirow = CELL_NORMAL;
2262         updateIndexes();
2263 }
2264
2265
2266 void Tabular::setRotateCell(idx_type cell, int value)
2267 {
2268         cellInfo(cell).rotate = value;
2269 }
2270
2271
2272 int Tabular::getRotateCell(idx_type cell) const
2273 {
2274         return cellInfo(cell).rotate;
2275 }
2276
2277
2278 bool Tabular::needRotating() const
2279 {
2280         if (rotate && !is_long_tabular)
2281                 return true;
2282         for (row_type r = 0; r < nrows(); ++r)
2283                 for (col_type c = 0; c < ncols(); ++c)
2284                         if (cell_info[r][c].rotate != 0)
2285                                 return true;
2286         return false;
2287 }
2288
2289
2290 bool Tabular::isLastCell(idx_type cell) const
2291 {
2292         return cell + 1 >= numberofcells;
2293 }
2294
2295
2296 idx_type Tabular::cellAbove(idx_type cell) const
2297 {
2298         if (cellRow(cell) == 0)
2299                 return cell;
2300
2301         col_type const col = cellColumn(cell);
2302         row_type r = cellRow(cell) - 1;
2303         while (r > 0 && cell_info[r][col].multirow == CELL_PART_OF_MULTIROW)
2304                 --r;
2305
2306         return cell_info[r][col].cellno;
2307 }
2308
2309
2310 idx_type Tabular::cellBelow(idx_type cell) const
2311 {
2312         row_type const nextrow = cellRow(cell) + rowSpan(cell);
2313         if (nextrow < nrows())
2314                 return cell_info[nextrow][cellColumn(cell)].cellno;
2315         return cell;
2316 }
2317
2318
2319 idx_type Tabular::cellIndex(row_type row, col_type column) const
2320 {
2321         LASSERT(column != npos && column < ncols(), column = 0);
2322         LASSERT(row != npos && row < nrows(), row = 0);
2323         return cell_info[row][column].cellno;
2324 }
2325
2326
2327 void Tabular::setUsebox(idx_type cell, BoxType type)
2328 {
2329         cellInfo(cell).usebox = type;
2330 }
2331
2332
2333 Tabular::BoxType Tabular::getUsebox(idx_type cell) const
2334 {
2335         if (getRotateCell(cell) == 0
2336             && ((!column_info[cellColumn(cell)].p_width.zero() && !isMultiColumn(cell)) ||
2337                 (isMultiColumn(cell) && !cellInfo(cell).p_width.zero())))
2338                 return BOX_NONE;
2339         if (cellInfo(cell).usebox > 1)
2340                 return cellInfo(cell).usebox;
2341         return useBox(cell);
2342 }
2343
2344
2345 ///
2346 //  This are functions used for the longtable support
2347 ///
2348 void Tabular::setLTHead(row_type row, bool flag, ltType const & hd,
2349                            bool first)
2350 {
2351         if (first) {
2352                 endfirsthead = hd;
2353                 if (hd.set)
2354                         row_info[row].endfirsthead = flag;
2355         } else {
2356                 endhead = hd;
2357                 if (hd.set)
2358                         row_info[row].endhead = flag;
2359         }
2360 }
2361
2362
2363 bool Tabular::getRowOfLTHead(row_type row, ltType & hd) const
2364 {
2365         hd = endhead;
2366         hd.set = haveLTHead();
2367         return row_info[row].endhead;
2368 }
2369
2370
2371 bool Tabular::getRowOfLTFirstHead(row_type row, ltType & hd) const
2372 {
2373         hd = endfirsthead;
2374         hd.set = haveLTFirstHead();
2375         return row_info[row].endfirsthead;
2376 }
2377
2378
2379 void Tabular::setLTFoot(row_type row, bool flag, ltType const & fd,
2380                            bool last)
2381 {
2382         if (last) {
2383                 endlastfoot = fd;
2384                 if (fd.set)
2385                         row_info[row].endlastfoot = flag;
2386         } else {
2387                 endfoot = fd;
2388                 if (fd.set)
2389                         row_info[row].endfoot = flag;
2390         }
2391 }
2392
2393
2394 bool Tabular::getRowOfLTFoot(row_type row, ltType & fd) const
2395 {
2396         fd = endfoot;
2397         fd.set = haveLTFoot();
2398         return row_info[row].endfoot;
2399 }
2400
2401
2402 bool Tabular::getRowOfLTLastFoot(row_type row, ltType & fd) const
2403 {
2404         fd = endlastfoot;
2405         fd.set = haveLTLastFoot();
2406         return row_info[row].endlastfoot;
2407 }
2408
2409
2410 void Tabular::setLTNewPage(row_type row, bool what)
2411 {
2412         row_info[row].newpage = what;
2413 }
2414
2415
2416 bool Tabular::getLTNewPage(row_type row) const
2417 {
2418         return row_info[row].newpage;
2419 }
2420
2421
2422 bool Tabular::haveLTHead(bool withcaptions) const
2423 {
2424         if (!is_long_tabular)
2425                 return false;
2426         for (row_type i = 0; i < nrows(); ++i)
2427                 if (row_info[i].endhead &&
2428                     (withcaptions || !row_info[i].caption))
2429                         return true;
2430         return false;
2431 }
2432
2433
2434 bool Tabular::haveLTFirstHead(bool withcaptions) const
2435 {
2436         if (!is_long_tabular || endfirsthead.empty)
2437                 return false;
2438         for (row_type r = 0; r < nrows(); ++r)
2439                 if (row_info[r].endfirsthead &&
2440                     (withcaptions || !row_info[r].caption))
2441                         return true;
2442         return false;
2443 }
2444
2445
2446 bool Tabular::haveLTFoot(bool withcaptions) const
2447 {
2448         if (!is_long_tabular)
2449                 return false;
2450         for (row_type r = 0; r < nrows(); ++r)
2451                 if (row_info[r].endfoot &&
2452                     (withcaptions || !row_info[r].caption))
2453                         return true;
2454         return false;
2455 }
2456
2457
2458 bool Tabular::haveLTLastFoot(bool withcaptions) const
2459 {
2460         if (!is_long_tabular || endlastfoot.empty)
2461                 return false;
2462         for (row_type r = 0; r < nrows(); ++r)
2463                 if (row_info[r].endlastfoot &&
2464                     (withcaptions || !row_info[r].caption))
2465                         return true;
2466         return false;
2467 }
2468
2469
2470 idx_type Tabular::setLTCaption(Cursor & cur, row_type row, bool what)
2471 {
2472         idx_type i = getFirstCellInRow(row);
2473         if (what) {
2474                 setMultiColumn(cur, i, numberOfCellsInRow(row), false);
2475                 setTopLine(i, false);
2476                 setBottomLine(i, false);
2477                 setLeftLine(i, false);
2478                 setRightLine(i, false);
2479                 if (!row_info[row].endfirsthead && !row_info[row].endhead &&
2480                     !row_info[row].endfoot && !row_info[row].endlastfoot) {
2481                         setLTHead(row, true, endfirsthead, true);
2482                         row_info[row].endfirsthead = true;
2483                 }
2484         } else {
2485                 unsetMultiColumn(i);
2486                 // When unsetting a caption row, also all existing
2487                 // captions in this row must be dissolved.
2488         }
2489         row_info[row].caption = what;
2490         return i;
2491 }
2492
2493
2494 bool Tabular::ltCaption(row_type row) const
2495 {
2496         return row_info[row].caption;
2497 }
2498
2499
2500 bool Tabular::haveLTCaption(CaptionType captiontype) const
2501 {
2502         if (!is_long_tabular)
2503                 return false;
2504         for (row_type r = 0; r < nrows(); ++r) {
2505                 if (row_info[r].caption) {
2506                         switch (captiontype) {
2507                         case CAPTION_FIRSTHEAD:
2508                                 if (row_info[r].endfirsthead)
2509                                         return true;
2510                                 break;
2511                         case CAPTION_HEAD:
2512                                 if (row_info[r].endhead)
2513                                         return true;
2514                                 break;
2515                         case CAPTION_FOOT:
2516                                 if (row_info[r].endfoot)
2517                                         return true;
2518                                 break;
2519                         case CAPTION_LASTFOOT:
2520                                 if (row_info[r].endlastfoot)
2521                                         return true;
2522                                 break;
2523                         case CAPTION_ANY:
2524                                 return true;
2525                         }
2526                 }
2527         }
2528         return false;
2529 }
2530
2531
2532 // end longtable support functions
2533
2534 void Tabular::setRowAscent(row_type row, int height)
2535 {
2536         if (row >= nrows() || row_info[row].ascent == height)
2537                 return;
2538         row_info[row].ascent = height;
2539 }
2540
2541
2542 void Tabular::setRowDescent(row_type row, int height)
2543 {
2544         if (row >= nrows() || row_info[row].descent == height)
2545                 return;
2546         row_info[row].descent = height;
2547 }
2548
2549
2550 int Tabular::rowAscent(row_type row) const
2551 {
2552         LASSERT(row < nrows(), row = 0);
2553         return row_info[row].ascent;
2554 }
2555
2556
2557 int Tabular::rowDescent(row_type row) const
2558 {
2559         LASSERT(row < nrows(), row = 0);
2560         return row_info[row].descent;
2561 }
2562
2563
2564 int Tabular::height() const
2565 {
2566         int height = 0;
2567         for (row_type row = 0; row < nrows(); ++row)
2568                 height += rowAscent(row) + rowDescent(row) +
2569                         interRowSpace(row);
2570         return height;
2571 }
2572
2573
2574 bool Tabular::isPartOfMultiColumn(row_type row, col_type column) const
2575 {
2576         LASSERT(row < nrows(), return false);
2577         LASSERT(column < ncols(), return false);
2578         return cell_info[row][column].multicolumn == CELL_PART_OF_MULTICOLUMN;
2579 }
2580
2581
2582 bool Tabular::isPartOfMultiRow(row_type row, col_type column) const
2583 {
2584         LASSERT(row < nrows(), return false);
2585         LASSERT(column < ncols(), return false);
2586         return cell_info[row][column].multirow == CELL_PART_OF_MULTIROW;
2587 }
2588
2589
2590 void Tabular::TeXTopHLine(otexstream & os, row_type row, list<col_type> columns,
2591                           list<col_type> logical_columns) const
2592 {
2593         // we only output complete row lines and the 1st row here, the rest
2594         // is done in Tabular::TeXBottomHLine(...)
2595
2596         // get for each column the topline (if any)
2597         map<col_type, bool> topline, topltrims, toprtrims;
2598         col_type nset = 0;
2599         bool have_trims = false;
2600         for (auto const & c : columns) {
2601                 topline[c] = topLine(cellIndex(row, c));
2602                 topltrims[c] = topLineTrim(cellIndex(row, c)).first;
2603                 toprtrims[c] = topLineTrim(cellIndex(row, c)).second;
2604                 // If cell is part of a multirow and not the first cell of the
2605                 // multirow, no line must be drawn.
2606                 if (row != 0)
2607                         if (isMultiRow(cellIndex(row, c))
2608                             && cell_info[row][c].multirow != CELL_BEGIN_OF_MULTIROW) {
2609                                 topline[c] = false;
2610                                 topltrims[c] = false;
2611                                 toprtrims[c] = false;
2612                         }
2613                 // copy trimming to multicolumn parts
2614                 if (isPartOfMultiColumn(row, c)) {
2615                         topltrims[c] = topltrims[c-1];
2616                         toprtrims[c] = toprtrims[c-1];
2617                 }
2618                 if (topline.find(c) != topline.end() && topline.find(c)->second)
2619                         ++nset;
2620                 if ((topltrims.find(c) != topltrims.end() && topltrims.find(c)->second)
2621                      || (toprtrims.find(c) != toprtrims.end() && toprtrims.find(c)->second))
2622                         have_trims = true;
2623         }
2624
2625         // do nothing if empty first row, or incomplete row line after
2626         row_type first = getFirstRow(!buffer().params().output_changes);
2627         if ((row == first && nset == 0) || (row > first && nset != columns.size()))
2628                 return;
2629
2630         // Is this the actual first row (excluding longtable caption row)?
2631         bool const realfirstrow = (row == first
2632                                    || (is_long_tabular && row == first + 1 && ltCaption(first)));
2633
2634         // only output complete row lines and the 1st row's clines
2635         if (nset == columns.size() && !have_trims) {
2636                 if (use_booktabs) {
2637                         os << (realfirstrow ? "\\toprule " : "\\midrule ");
2638                 } else {
2639                         os << "\\hline ";
2640                 }
2641         } else if (realfirstrow || have_trims) {
2642                 string const cline = use_booktabs ? "\\cmidrule" : "\\cline";
2643                 col_type c = 0;
2644                 std::list<col_type>::const_iterator it1 = logical_columns.begin();
2645                 std::list<col_type>::const_iterator it2 = columns.begin();
2646                 // We need to iterate over the logical columns here, but take care for
2647                 // bidi swapping
2648                 for (; it1 != logical_columns.end() && it2 != columns.end(); ++it1, ++it2) {
2649                         col_type cl = *it1;
2650                         if (cl < c)
2651                                 continue;
2652                         c = cl;
2653                         if (topline.find(c)->second) {
2654                                 col_type offset = 0;
2655                                 for (col_type j = 0 ; j < c; ++j)
2656                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2657                                                 ++offset;
2658                                 // If the two iterators differ, we are in bidi with swapped columns
2659                                 col_type firstcol = (*it1 == *it2) ? c + 1 + offset : columns.size() - c + offset;
2660                                 while (isPartOfMultiColumn(row, c))
2661                                         ++c;
2662                                 string trim;
2663                                 if (topltrims.find(c) != topltrims.end()
2664                                      && topltrims.find(c)->second)
2665                                         trim = "l";
2666                                 col_type cstart = c;
2667                                 for ( ; c < ncols() - 1 && topline.find(c + 1)->second ; ++c) {
2668                                         if (isMultiColumn(cellIndex(row, c))
2669                                             && c < ncols() - 1 && isPartOfMultiColumn(row, c + 1))
2670                                                 continue;
2671                                         if (c > cstart && topltrims.find(c) != topltrims.end()
2672                                                         && topltrims.find(c)->second) {
2673                                                 if (!isPartOfMultiColumn(row, c))
2674                                                         --c;
2675                                                 break;
2676                                         } else if (toprtrims.find(c) != toprtrims.end()
2677                                                    && toprtrims.find(c)->second)
2678                                                 break;
2679                                 }
2680
2681                                 for (col_type j = cstart ; j <= c ; ++j)
2682                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2683                                                 ++offset;
2684                                 col_type lastcol = (*it1 == *it2) ? c + 1 + offset : columns.size() - c + offset;
2685                                 if (toprtrims.find(c) != toprtrims.end()
2686                                     && toprtrims.find(c)->second)
2687                                         trim += "r";
2688
2689                                 os << cline;
2690                                 if (!trim.empty())
2691                                         os << "(" << trim << ")";
2692                                 if (firstcol > lastcol)
2693                                         // This can happen with bidi (swapped columns)
2694                                         os << "{" << lastcol << '-' << firstcol << "}";
2695                                 else
2696                                         os << "{" << firstcol << '-' << lastcol << "}";
2697                                 if (c == columns.size() - 1)
2698                                         break;
2699                                 ++c;
2700                         }
2701                 }
2702         }
2703         os << "\n";
2704 }
2705
2706
2707 void Tabular::TeXBottomHLine(otexstream & os, row_type row, list<col_type> columns,
2708                              list<col_type> logical_columns) const
2709 {
2710         // we output bottomlines of row r and the toplines of row r+1
2711         // if the latter do not span the whole tabular
2712
2713         // get the bottomlines of row r, and toplines in next row
2714         bool lastrow = row == getLastRow(!buffer().params().output_changes);
2715         map<col_type, bool> bottomline, topline, topltrims, toprtrims, bottomltrims, bottomrtrims;
2716         bool nextrowset = true;
2717         for (auto const & c : columns) {
2718                 idx_type const idx = cellIndex(row, c);
2719                 bottomline[c] = bottomLine(cellIndex(row, c));
2720                 bottomltrims[c] = bottomLineTrim(idx).first;
2721                 bottomrtrims[c] = bottomLineTrim(idx).second;
2722                 topline[c] =  !lastrow && topLine(cellIndex(row + 1, c));
2723                 topltrims[c] = !lastrow && topLineTrim(cellIndex(row + 1, c)).first;
2724                 toprtrims[c] = !lastrow && topLineTrim(cellIndex(row + 1, c)).second;
2725                 // If cell is part of a multirow and not the last cell of the
2726                 // multirow, no line must be drawn.
2727                 if (!lastrow)
2728                         if (isMultiRow(cellIndex(row, c))
2729                             && isMultiRow(cellIndex(row + 1, c))
2730                             && cell_info[row + 1][c].multirow != CELL_BEGIN_OF_MULTIROW) {
2731                                 bottomline[c] = false;
2732                                 topline[c] = false;
2733                                 bottomltrims[c] = false;
2734                                 bottomrtrims[c] = false;
2735                                 topltrims[c] = false;
2736                                 toprtrims[c] = false;
2737                         }
2738                 // copy trimming in multicolumn parts
2739                 if (isPartOfMultiColumn(row, c)) {
2740                         topltrims[c] = topltrims[c-1];
2741                         toprtrims[c] = toprtrims[c-1];
2742                         bottomltrims[c] = bottomltrims[c-1];
2743                         bottomrtrims[c] = bottomrtrims[c-1];
2744                 }
2745
2746                 nextrowset &= topline.find(c) != topline.end() && topline.find(c)->second;
2747         }
2748
2749         // combine this row's bottom lines and next row's toplines if necessary
2750         col_type nset = 0;
2751         bool have_trims = false;
2752         for (auto const & c : columns) {
2753                 if (!nextrowset)
2754                         bottomline[c] = bottomline.find(c)->second || topline.find(c)->second;
2755                 bottomltrims[c] = (bottomltrims.find(c) != bottomltrims.end() && bottomltrims.find(c)->second)
2756                                 || (topltrims.find(c) != topltrims.end() && topltrims.find(c)->second);
2757                 bottomrtrims[c] = (bottomrtrims.find(c) != bottomrtrims.end() && bottomrtrims.find(c)->second)
2758                                 || (toprtrims.find(c) != toprtrims.end() && toprtrims.find(c)->second);
2759                 if (bottomline.find(c)->second)
2760                         ++nset;
2761                 if ((bottomltrims.find(c) != bottomltrims.end() && bottomltrims.find(c)->second)
2762                      || (bottomrtrims.find(c) != bottomrtrims.end() && bottomrtrims.find(c)->second))
2763                         have_trims = true;
2764         }
2765
2766         // do nothing if empty, OR incomplete row line with a topline in next row
2767         if (nset == 0 || (nextrowset && nset != columns.size()))
2768                 return;
2769
2770         if (nset == columns.size() && !have_trims) {
2771                 if (use_booktabs)
2772                         os << (lastrow ? "\\bottomrule" : "\\midrule");
2773                 else
2774                         os << "\\hline ";
2775         } else {
2776                 string const cline = use_booktabs ? "\\cmidrule" : "\\cline";
2777                 col_type c = 0;
2778                 std::list<col_type>::const_iterator it1 = logical_columns.begin();
2779                 std::list<col_type>::const_iterator it2 = columns.begin();
2780                 // We need to iterate over the logical columns here, but take care for
2781                 // bidi swapping
2782                 for (; it1 != logical_columns.end() && it2 != columns.end(); ++it1, ++it2) {
2783                         col_type cl = *it1;
2784                         if (cl < c)
2785                                 continue;
2786                         c = cl;
2787                         if (bottomline.find(c)->second) {
2788                                 col_type offset = 0;
2789                                 for (col_type j = 0 ; j < c; ++j)
2790                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2791                                                 ++offset;
2792                                 // If the two iterators differ, we are in bidi with swapped columns
2793                                 col_type firstcol = (*it1 == *it2) ? c + 1 + offset : columns.size() - c + offset;
2794                                 while (isPartOfMultiColumn(row, c))
2795                                         ++c;
2796                                 string trim;
2797                                 if (bottomltrims.find(c) != bottomltrims.end()
2798                                      && bottomltrims.find(c)->second)
2799                                         trim = "l";
2800                                 col_type cstart = c;
2801                                 for ( ; c < ncols() - 1 && bottomline.find(c + 1)->second ; ++c) {
2802                                         if (isMultiColumn(cellIndex(row, c))
2803                                             && c < ncols() - 1
2804                                             && isPartOfMultiColumn(row, c + 1))
2805                                                 continue;
2806                                         if (c > cstart
2807                                             && bottomltrims.find(c) != bottomltrims.end()
2808                                             && bottomltrims.find(c)->second) {
2809                                                 if (!isPartOfMultiColumn(row, c))
2810                                                         --c;
2811                                                 break;
2812                                         } else if (bottomrtrims.find(c) != bottomrtrims.end()
2813                                                    && bottomrtrims.find(c)->second)
2814                                                 break;
2815                                 }
2816
2817                                 for (col_type j = cstart ; j <= c ; ++j)
2818                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2819                                                 ++offset;
2820                                 col_type lastcol = (*it1 == *it2) ? c + 1 + offset : columns.size() - c + offset;
2821                                 if (bottomrtrims.find(c) != bottomrtrims.end()
2822                                     && bottomrtrims.find(c)->second)
2823                                         trim += "r";
2824
2825                                 os << cline;
2826                                 if (!trim.empty())
2827                                         os << "(" << trim << ")";
2828                                 if (firstcol > lastcol)
2829                                         // This can happen with bidi (swapped columns)
2830                                         os << "{" << lastcol << '-' << firstcol << "}";
2831                                 else
2832                                         os << "{" << firstcol << '-' << lastcol << "}";
2833                                 if (c == columns.size() - 1)
2834                                         break;
2835                                 ++c;
2836                         }
2837                 }
2838         }
2839         os << "\n";
2840 }
2841
2842
2843 void Tabular::TeXCellPreamble(otexstream & os, idx_type cell,
2844                               bool & ismulticol, bool & ismultirow,
2845                               bool const bidi) const
2846 {
2847         row_type const r = cellRow(cell);
2848         if (is_long_tabular && row_info[r].caption)
2849                 return;
2850
2851         Tabular::VAlignment valign =  getVAlignment(cell, !isMultiColumn(cell));
2852         LyXAlignment align = getAlignment(cell, !isMultiColumn(cell));
2853         // figure out how to set the lines
2854         // we always set double lines to the right of the cell
2855         // or left in bidi RTL, respectively.
2856         col_type const c = cellColumn(cell);
2857         col_type const nextcol = c + columnSpan(cell);
2858         bool const decimal = column_info[c].alignment == LYX_ALIGN_DECIMAL;
2859         bool colright = columnRightLine(c);
2860         bool colleft = columnLeftLine(c);
2861         bool nextcolleft = nextcol < ncols() && columnLeftLine(nextcol);
2862         bool nextcellleft = nextcol < ncols()
2863                 && leftLine(cellIndex(r, nextcol));
2864         bool coldouble = colright && nextcolleft;
2865         bool celldouble = rightLine(cell) && nextcellleft;
2866
2867         ismulticol = (isMultiColumn(cell)
2868                       || (c == 0 && colleft != leftLine(cell))
2869                       || ((colright || nextcolleft) && !rightLine(cell) && !nextcellleft)
2870                       || (!colright && !nextcolleft && (rightLine(cell) || nextcellleft))
2871                       || (coldouble != celldouble))
2872                      && !decimal;
2873
2874         // we center in multicol when no decimal point
2875         if (decimal) {
2876                 docstring const align_d = column_info[c].decimal_point;
2877                 DocIterator const dit = separatorPos(cellInset(cell), align_d);
2878                 bool const nosep = !dit;
2879                 ismulticol |= nosep;
2880                 celldouble &= nosep;
2881         }
2882
2883         // up counter by 1 for each decimally aligned col since they use 2 latex cols
2884         int latexcolspan = columnSpan(cell);
2885         for (col_type col = c; col < c + columnSpan(cell); ++col)
2886                 if (column_info[col].alignment == LYX_ALIGN_DECIMAL)
2887                         ++latexcolspan;
2888
2889         if (ismulticol) {
2890                 os << "\\multicolumn{" << latexcolspan << "}{";
2891                 if (((bidi && c == getLastCellInRow(cellRow(0)) && rightLine(cell))
2892                      || (!bidi && c == 0 && leftLine(cell))))
2893                         os << '|';
2894                 if (bidi && celldouble)
2895                         // add extra vertical line if we want a double one
2896                         os << '|';
2897                 if (!cellInfo(cell).align_special.empty()) {
2898                         os << cellInfo(cell).align_special;
2899                 } else {
2900                         if (!getPWidth(cell).zero()) {
2901                                 switch (align) {
2902                                 case LYX_ALIGN_LEFT:
2903                                         os << ">{\\raggedright}";
2904                                         break;
2905                                 case LYX_ALIGN_RIGHT:
2906                                         os << ">{\\raggedleft}";
2907                                         break;
2908                                 case LYX_ALIGN_CENTER:
2909                                         os << ">{\\centering}";
2910                                         break;
2911                                 default:
2912                                         break;
2913                                 }
2914                                 switch (valign) {
2915                                 case LYX_VALIGN_TOP:
2916                                         os << 'p';
2917                                         break;
2918                                 case LYX_VALIGN_MIDDLE:
2919                                         os << 'm';
2920                                         break;
2921                                 case LYX_VALIGN_BOTTOM:
2922                                         os << 'b';
2923                                         break;
2924                                 }
2925                                 os << '{'
2926                                    << from_ascii(getPWidth(cell).asLatexString())
2927                                    << '}';
2928                         } else {
2929                                 if ((getRotateCell(cell) == 0 && useBox(cell) == BOX_VARWIDTH
2930                                      && align == LYX_ALIGN_LEFT))
2931                                         os << "V{\\linewidth}";
2932                                 else {
2933                                         switch (align) {
2934                                         case LYX_ALIGN_LEFT:
2935                                                 os << 'l';
2936                                                 break;
2937                                         case LYX_ALIGN_RIGHT:
2938                                                 os << 'r';
2939                                                 break;
2940                                         default:
2941                                                 os << 'c';
2942                                                 break;
2943                                         }
2944                                 }
2945                         } // end if else !getPWidth
2946                 } // end if else !cellinfo_of_cell
2947                 if ((bidi && leftLine(cell)) || (!bidi && rightLine(cell)) || nextcellleft)
2948                         os << '|';
2949                 if (!bidi && celldouble)
2950                         // add extra vertical line if we want a double one
2951                         os << '|';
2952                 os << "}{";
2953         } // end if ismulticol
2954
2955         // we only need code for the first multirow cell
2956         ismultirow = isMultiRow(cell);
2957         if (ismultirow) {
2958                 os << "\\multirow{" << rowSpan(cell) << "}{";
2959                 if (!getPWidth(cell).zero())
2960                         os << from_ascii(getPWidth(cell).asLatexString());
2961                 else {
2962                         if (column_info[c].varwidth)
2963                                 // this inherits varwidth size
2964                                 os << "=";
2965                         else
2966                                 // we need to set a default value
2967                                 os << "*";
2968                 }
2969                 os << "}";
2970                 if (!getMROffset(cell).zero())
2971                         os << "[" << from_ascii(getMROffset(cell).asLatexString()) << "]";
2972                 os << "{";
2973         } // end if ismultirow
2974
2975         if (getRotateCell(cell) != 0)
2976                 os << "\\begin{turn}{" << convert<string>(getRotateCell(cell)) << "}\n";
2977
2978         if (getUsebox(cell) == BOX_PARBOX) {
2979                 os << "\\parbox[";
2980                 switch (valign) {
2981                 case LYX_VALIGN_TOP:
2982                         os << 't';
2983                         break;
2984                 case LYX_VALIGN_MIDDLE:
2985                         os << 'c';
2986                         break;
2987                 case LYX_VALIGN_BOTTOM:
2988                         os << 'b';
2989                         break;
2990                 }
2991                 os << "]{" << from_ascii(getPWidth(cell).asLatexString())
2992                    << "}{";
2993         } else if (getUsebox(cell) == BOX_MINIPAGE) {
2994                 os << "\\begin{minipage}[";
2995                 switch (valign) {
2996                 case LYX_VALIGN_TOP:
2997                         os << 't';
2998                         break;
2999                 case LYX_VALIGN_MIDDLE:
3000                         os << 'm';
3001                         break;
3002                 case LYX_VALIGN_BOTTOM:
3003                         os << 'b';
3004                         break;
3005                 }
3006                 os << "]{" << from_ascii(getPWidth(cell).asLatexString())
3007                    << "}\n";
3008         } else if (getUsebox(cell) == BOX_VARWIDTH
3009                    && (getRotateCell(cell) != 0 || align != LYX_ALIGN_LEFT
3010                        || valign != LYX_VALIGN_TOP || hasNewlines(cell))) {
3011                 os << "\\begin{cellvarwidth}[";
3012                 switch (valign) {
3013                 case LYX_VALIGN_TOP:
3014                         os << 't';
3015                         break;
3016                 case LYX_VALIGN_MIDDLE:
3017                         os << 'm';
3018                         break;
3019                 case LYX_VALIGN_BOTTOM:
3020                         os << 'b';
3021                         break;
3022                 }
3023                 os << "]\n";
3024                 switch (align) {
3025                 case LYX_ALIGN_RIGHT:
3026                         os << "\\raggedleft\n";
3027                         break;
3028                 case LYX_ALIGN_CENTER:
3029                         os << "\\centering\n";
3030                         break;
3031                 case LYX_ALIGN_LEFT:
3032                         //os << "\\narrowragged\n";
3033                         break;
3034                 case LYX_ALIGN_BLOCK:
3035                 case LYX_ALIGN_DECIMAL:
3036                 case LYX_ALIGN_NONE:
3037                 case LYX_ALIGN_LAYOUT:
3038                 case LYX_ALIGN_SPECIAL:
3039                         break;
3040                 }
3041         }
3042 }
3043
3044
3045 void Tabular::TeXCellPostamble(otexstream & os, idx_type cell,
3046                                bool ismulticol, bool ismultirow) const
3047 {
3048         row_type const r = cellRow(cell);
3049         if (is_long_tabular && row_info[r].caption)
3050                 return;
3051
3052         // usual cells
3053         if (getUsebox(cell) == BOX_PARBOX)
3054                 os << '}';
3055         else if (getUsebox(cell) == BOX_MINIPAGE)
3056                 os << breakln << "\\end{minipage}";
3057         else if (getUsebox(cell) == BOX_VARWIDTH
3058                  && (getRotateCell(cell) != 0 || getAlignment(cell) != LYX_ALIGN_LEFT
3059                      || getVAlignment(cell) != LYX_VALIGN_TOP || hasNewlines(cell)))
3060                 os << breakln << "\\end{cellvarwidth}";
3061         if (getRotateCell(cell) != 0)
3062                 os << breakln << "\\end{turn}";
3063         if (ismultirow)
3064                 os << '}';
3065         if (ismulticol)
3066                 os << '}';
3067 }
3068
3069
3070 void Tabular::TeXLongtableHeaderFooter(otexstream & os,
3071                                        OutputParams const & runparams,
3072                                        list<col_type> columns,
3073                                        list<col_type> logical_columns) const
3074 {
3075         if (!is_long_tabular)
3076                 return;
3077
3078         // caption handling
3079         // output caption which is in no header or footer
3080         if (haveLTCaption()) {
3081                 for (row_type r = 0; r < nrows(); ++r) {
3082                         if (row_info[r].caption &&
3083                             !row_info[r].endfirsthead && !row_info[r].endhead &&
3084                             !row_info[r].endfoot && !row_info[r].endlastfoot)
3085                                 TeXRow(os, r, runparams, columns, logical_columns);
3086                 }
3087         }
3088         // output first header info
3089         if (haveLTFirstHead()) {
3090                 if (endfirsthead.topDL)
3091                         os << "\\hline\n";
3092                 for (row_type r = 0; r < nrows(); ++r) {
3093                         if (row_info[r].endfirsthead)
3094                                 TeXRow(os, r, runparams, columns, logical_columns);
3095                 }
3096                 if (endfirsthead.bottomDL)
3097                         os << "\\hline\n";
3098                 os << "\\endfirsthead\n";
3099         }
3100         // output header info
3101         if (haveLTHead()) {
3102                 if (endfirsthead.empty && !haveLTFirstHead())
3103                         os << "\\endfirsthead\n";
3104                 if (endhead.topDL)
3105                         os << "\\hline\n";
3106                 for (row_type r = 0; r < nrows(); ++r) {
3107                         if (row_info[r].endhead)
3108                                 TeXRow(os, r, runparams, columns, logical_columns);
3109                 }
3110                 if (endhead.bottomDL)
3111                         os << "\\hline\n";
3112                 os << "\\endhead\n";
3113         }
3114         // output footer info
3115         if (haveLTFoot()) {
3116                 if (endfoot.topDL)
3117                         os << "\\hline\n";
3118                 for (row_type r = 0; r < nrows(); ++r) {
3119                         if (row_info[r].endfoot)
3120                                 TeXRow(os, r, runparams, columns, logical_columns);
3121                 }
3122                 if (endfoot.bottomDL)
3123                         os << "\\hline\n";
3124                 os << "\\endfoot\n";
3125                 if (endlastfoot.empty && !haveLTLastFoot())
3126                         os << "\\endlastfoot\n";
3127         }
3128         // output lastfooter info
3129         if (haveLTLastFoot()) {
3130                 if (endlastfoot.topDL)
3131                         os << "\\hline\n";
3132                 for (row_type r = 0; r < nrows(); ++r) {
3133                         if (row_info[r].endlastfoot)
3134                                 TeXRow(os, r, runparams, columns, logical_columns);
3135                 }
3136                 if (endlastfoot.bottomDL)
3137                         os << "\\hline\n";
3138                 os << "\\endlastfoot\n";
3139         }
3140 }
3141
3142
3143 bool Tabular::isValidRow(row_type row) const
3144 {
3145         if (!is_long_tabular)
3146                 return true;
3147         return !row_info[row].endhead && !row_info[row].endfirsthead
3148                 && !row_info[row].endfoot && !row_info[row].endlastfoot
3149                 && !row_info[row].caption;
3150 }
3151
3152
3153 void Tabular::TeXRow(otexstream & os, row_type row,
3154                      OutputParams const & runparams,
3155                      list<col_type> columns, list<col_type> logical_columns) const
3156 {
3157         //output the top line
3158         TeXTopHLine(os, row, columns, logical_columns);
3159
3160         if (row_info[row].top_space_default) {
3161                 if (use_booktabs)
3162                         os << "\\addlinespace\n";
3163                 else
3164                         os << "\\noalign{\\vskip\\doublerulesep}\n";
3165         } else if(!row_info[row].top_space.zero()) {
3166                 if (use_booktabs)
3167                         os << "\\addlinespace["
3168                            << from_ascii(row_info[row].top_space.asLatexString())
3169                            << "]\n";
3170                 else {
3171                         os << "\\noalign{\\vskip"
3172                            << from_ascii(row_info[row].top_space.asLatexString())
3173                            << "}\n";
3174                 }
3175         }
3176         bool ismulticol = false;
3177         bool ismultirow = false;
3178
3179         // The bidi package (loaded by polyglossia with XeTeX) reverses RTL table columns
3180         // Luabibdi (used by LuaTeX) behaves like classic
3181         bool const bidi_rtl =
3182                 runparams.local_font->isRightToLeft()
3183                 && runparams.useBidiPackage();
3184         bool const ct = !buffer().params().output_changes;
3185         idx_type lastcell =
3186                 bidi_rtl ? getFirstCellInRow(row, ct) : getLastCellInRow(row, ct);
3187
3188         for (auto const & c : columns) {
3189                 if (isPartOfMultiColumn(row, c))
3190                         continue;
3191
3192                 idx_type cell = cellIndex(row, c);
3193
3194                 if (isPartOfMultiRow(row, c)
3195                     && column_info[c].alignment != LYX_ALIGN_DECIMAL) {
3196                         if (cell != lastcell)
3197                                 os << " & ";
3198                         continue;
3199                 }
3200
3201                 TeXCellPreamble(os, cell, ismulticol, ismultirow, bidi_rtl);
3202                 InsetTableCell const * inset = cellInset(cell);
3203
3204                 Paragraph const & par = inset->paragraphs().front();
3205
3206                 os.texrow().forceStart(par.id(), 0);
3207
3208                 bool rtl = par.isRTL(buffer().params())
3209                         && !par.empty()
3210                         && getPWidth(cell).zero()
3211                         && !runparams.use_polyglossia;
3212
3213                 if (rtl) {
3214                         string const lang =
3215                                 par.getParLanguage(buffer().params())->lang();
3216                         if (lang == "farsi")
3217                                 os << "\\textFR{";
3218                         else if (lang == "arabic_arabi")
3219                                 os << "\\textAR{";
3220                         // currently, remaining RTL languages are
3221                         // arabic_arabtex and hebrew
3222                         else
3223                                 os << "\\R{";
3224                 }
3225                 // pass to the OutputParams that we are in a cell and
3226                 // which alignment we have set.
3227                 // InsetNewline needs this context information.
3228                 OutputParams newrp(runparams);
3229                 newrp.inTableCell = (getAlignment(cell) == LYX_ALIGN_BLOCK)
3230                                     ? OutputParams::PLAIN
3231                                     : OutputParams::ALIGNED;
3232
3233                 if (getAlignment(cell) == LYX_ALIGN_DECIMAL) {
3234                         // copy cell and split in 2
3235                         InsetTableCell head = InsetTableCell(*cellInset(cell));
3236                         head.setBuffer(const_cast<Buffer &>(buffer()));
3237                         DocIterator dit = cellInset(cell)->getText(0)->macrocontextPosition();
3238                         dit.pop_back();
3239                         dit.push_back(CursorSlice(head));
3240                         head.setMacrocontextPositionRecursive(dit);
3241                         bool hassep = false;
3242                         InsetTableCell tail = splitCell(head, column_info[c].decimal_point, hassep);
3243                         if (hassep) {
3244                                 tail.setBuffer(head.buffer());
3245                                 dit.pop_back();
3246                                 dit.push_back(CursorSlice(tail));
3247                                 tail.setMacrocontextPositionRecursive(dit);
3248                         }
3249                         if (bidi_rtl) {
3250                                 if (hassep) {
3251                                         tail.latex(os, newrp);
3252                                         os << '&';
3253                                 }
3254                                 head.latex(os, newrp);
3255                         } else {
3256                                 head.latex(os, newrp);
3257                                 if (hassep) {
3258                                         os << '&';
3259                                         tail.latex(os, newrp);
3260                                 }
3261                         }
3262                 } else if (ltCaption(row)) {
3263                         // Inside longtable caption rows, we must only output the caption inset
3264                         // with its content and omit anything outside of that (see #10791)
3265                         InsetTableCell & tc_inset = *const_cast<InsetTableCell *>(inset);
3266                         for (Inset const & it : tc_inset) {
3267                                 if (it.lyxCode() != CAPTION_CODE)
3268                                         continue;
3269                                 it.latex(os, runparams);
3270                                 break;
3271                         }
3272                 } else if (!isPartOfMultiRow(row, c)) {
3273                         if (!runparams.nice)
3274                                 os.texrow().start(par.id(), 0);
3275                         if (isMultiRow(cell) && !LaTeXFeatures::isAvailable("multirow-2021/01/29"))
3276                                 newrp.isNonLong = true;
3277                         inset->latex(os, newrp);
3278                 }
3279
3280                 runparams.encoding = newrp.encoding;
3281                 if (rtl)
3282                         os << '}';
3283
3284                 TeXCellPostamble(os, cell, ismulticol, ismultirow);
3285                 if (cell != lastcell) { // not last cell in row
3286                         if (runparams.nice)
3287                                 os << " & ";
3288                         else
3289                                 os << " &\n";
3290                 }
3291         }
3292         os << "\\tabularnewline";
3293         if (row_info[row].bottom_space_default) {
3294                 if (use_booktabs)
3295                         os << "\\addlinespace";
3296                 else
3297                         os << "[\\doublerulesep]";
3298         } else if (!row_info[row].bottom_space.zero()) {
3299                 if (use_booktabs)
3300                         os << "\\addlinespace";
3301                 os << '['
3302                    << from_ascii(row_info[row].bottom_space.asLatexString())
3303                    << ']';
3304         }
3305         os << '\n';
3306
3307         //output the bottom line
3308         TeXBottomHLine(os, row, columns, logical_columns);
3309
3310         if (row_info[row].interline_space_default) {
3311                 if (use_booktabs)
3312                         os << "\\addlinespace\n";
3313                 else
3314                         os << "\\noalign{\\vskip\\doublerulesep}\n";
3315         } else if (!row_info[row].interline_space.zero()) {
3316                 if (use_booktabs)
3317                         os << "\\addlinespace["
3318                            << from_ascii(row_info[row].interline_space.asLatexString())
3319                            << "]\n";
3320                 else
3321                         os << "\\noalign{\\vskip"
3322                            << from_ascii(row_info[row].interline_space.asLatexString())
3323                            << "}\n";
3324         }
3325 }
3326
3327
3328 void Tabular::latex(otexstream & os, OutputParams const & runparams) const
3329 {
3330         bool const is_tabular_star = !is_long_tabular && !tabular_width.zero()
3331                 && !hasVarwidthColumn();
3332         bool const is_xltabular = is_long_tabular
3333                 && (hasVarwidthColumn() || !tabular_width.zero());
3334         TexRow::RowEntry pos = TexRow::textEntry(runparams.lastid, runparams.lastpos);
3335
3336         //+---------------------------------------------------------------------
3337         //+                      first the opening preamble                    +
3338         //+---------------------------------------------------------------------
3339
3340         os << safebreakln;
3341         if (!TexRow::isNone(pos))
3342                 os.texrow().start(pos);
3343
3344         if (rotate != 0) {
3345                 if (is_long_tabular)
3346                         os << "\\begin{landscape}\n";
3347                 else
3348                         os << "\\begin{turn}{" << convert<string>(rotate) << "}\n";
3349         }
3350
3351         // The bidi package (loaded by polyglossia with XeTeX) swaps the column
3352         // order for RTL (#9686). Thus we use this list.
3353         bool const bidi_rtl =
3354                 runparams.local_font->isRightToLeft()
3355                 && runparams.useBidiPackage();
3356         list<col_type> columns;
3357         list<col_type> logical_columns;
3358         for (col_type cl = 0; cl < ncols(); ++cl) {
3359                 if (!buffer().params().output_changes && column_info[cl].change.deleted())
3360                         continue;
3361                 if (bidi_rtl)
3362                         columns.push_front(cl);
3363                 else
3364                         columns.push_back(cl);
3365                 // for some calculations, we need the logical (non-swapped)
3366                 // columns also in bidi.
3367                 logical_columns.push_back(cl);
3368         }
3369
3370         // If we use \cline or \cmidrule, we need to locally de-activate
3371         // the - character when using languages that activate it (e.g., Czech, Slovak).
3372         bool deactivate_chars = false;
3373         if ((runparams.use_babel || runparams.use_polyglossia)
3374             && contains(runparams.active_chars, '-')) {
3375                 bool have_clines = false;
3376                 // Check if we use \cline or \cmidrule
3377                 for (row_type row = 0; row < nrows(); ++row) {
3378                         col_type bset = 0, tset = 0;
3379                         for (auto const & c : columns) {
3380                                 idx_type const idx = cellIndex(row, c);
3381                                 if (bottomLineTrim(idx).first || bottomLineTrim(idx).second
3382                                     || topLineTrim(idx).first || topLineTrim(idx).second) {
3383                                         have_clines = true;
3384                                         break;
3385                                 }
3386                                 if (bottomLine(cellIndex(row, c)))
3387                                         ++bset;
3388                                 if (topLine(cellIndex(row, c)))
3389                                         ++tset;
3390                         }
3391                         if ((bset > 0 && bset < ncols()) || (tset > 0 && tset < ncols())) {
3392                                 have_clines = true;
3393                                 break;
3394                         }
3395                 }
3396                 if (have_clines) {
3397                         deactivate_chars = true;
3398                         os << "\\begingroup\n"
3399                            << "\\catcode`\\-=12\n";
3400                 }
3401         }
3402
3403         if (is_long_tabular) {
3404                 if (is_xltabular)
3405                         os << "\\begin{xltabular}";
3406                 else
3407                         os << "\\begin{longtable}";
3408                 switch (longtabular_alignment) {
3409                 case LYX_LONGTABULAR_ALIGN_LEFT:
3410                         os << "[l]";
3411                         break;
3412                 case LYX_LONGTABULAR_ALIGN_CENTER:
3413                         os << "[c]";
3414                         break;
3415                 case LYX_LONGTABULAR_ALIGN_RIGHT:
3416                         os << "[r]";
3417                         break;
3418                 }
3419                 if (is_xltabular) {
3420                         if (tabular_width.zero())
3421                                 os << "{" << from_ascii("\\columnwidth") << "}";
3422                         else
3423                                 os << "{" << from_ascii(tabular_width.asLatexString()) << "}";
3424                 }
3425         } else {
3426                 if (is_tabular_star)
3427                         os << "\\begin{tabular*}{" << from_ascii(tabular_width.asLatexString()) << "}";
3428                 else if (hasVarwidthColumn()) {
3429                         os << "\\begin{tabularx}{";
3430                         if (tabular_width.zero())
3431                                 os << from_ascii("\\columnwidth") << "}";
3432                         else
3433                                 os << from_ascii(tabular_width.asLatexString()) << "}";
3434                 } else
3435                         os << "\\begin{tabular}";
3436                 switch (tabular_valignment) {
3437                 case LYX_VALIGN_TOP:
3438                         os << "[t]";
3439                         break;
3440                 case LYX_VALIGN_MIDDLE:
3441                         break;
3442                 case LYX_VALIGN_BOTTOM:
3443                         os << "[b]";
3444                         break;
3445                 }
3446         }
3447
3448         os << "{";
3449
3450         if (is_tabular_star)
3451                 os << "@{\\extracolsep{\\fill}}";
3452
3453         for (auto const & c : columns) {
3454                 if ((bidi_rtl && columnRightLine(c)) || (!bidi_rtl && columnLeftLine(c)))
3455                         os << '|';
3456                 if (!column_info[c].align_special.empty()) {
3457                         os << column_info[c].align_special;
3458                 } else {
3459                         if (!column_info[c].p_width.zero()) {
3460                                 bool decimal = false;
3461                                 switch (column_info[c].alignment) {
3462                                 case LYX_ALIGN_LEFT:
3463                                         os << ">{\\raggedright}";
3464                                         break;
3465                                 case LYX_ALIGN_RIGHT:
3466                                         os << ">{\\raggedleft}";
3467                                         break;
3468                                 case LYX_ALIGN_CENTER:
3469                                         os << ">{\\centering}";
3470                                         break;
3471                                 case LYX_ALIGN_NONE:
3472                                 case LYX_ALIGN_BLOCK:
3473                                 case LYX_ALIGN_LAYOUT:
3474                                 case LYX_ALIGN_SPECIAL:
3475                                         break;
3476                                 case LYX_ALIGN_DECIMAL: {
3477                                         if (bidi_rtl)
3478                                                 os << ">{\\raggedright}";
3479                                         else
3480                                                 os << ">{\\raggedleft}";
3481                                         decimal = true;
3482                                         break;
3483                                 }
3484                                 }
3485
3486                                 char valign = 'p';
3487                                 switch (column_info[c].valignment) {
3488                                 case LYX_VALIGN_TOP:
3489                                         // this is the default
3490                                         break;
3491                                 case LYX_VALIGN_MIDDLE:
3492                                         valign = 'm';
3493                                         break;
3494                                 case LYX_VALIGN_BOTTOM:
3495                                         valign = 'b';
3496                                         break;
3497                                 }
3498                                 os << valign;
3499
3500                                 // Fixed-width cells with alignment at decimal separator
3501                                 // are output as two cells of half the width with the decimal
3502                                 // separator as column sep. This effectively puts the content
3503                                 // centered, which differs from the normal decimal sep alignment
3504                                 // and is not ideal, but we cannot do better ATM (see #9568).
3505                                 // FIXME: Implement proper decimal sep alignment, e.g. via siunitx.
3506                                 if (decimal) {
3507                                         docstring const halffixedwith =
3508                                                 from_ascii(Length(column_info[c].p_width.value() / 2,
3509                                                                   column_info[c].p_width.unit()).asLatexString());
3510                                         os << '{'
3511                                            << halffixedwith
3512                                            << '}'
3513                                            << "@{\\extracolsep{0pt}" << column_info[c].decimal_point << "}"
3514                                            << valign
3515                                            << '{'
3516                                            << halffixedwith
3517                                            << '}';
3518                                 } else
3519                                         os << '{'
3520                                            << from_ascii(column_info[c].p_width.asLatexString())
3521                                            << '}';
3522                         } else if (column_info[c].varwidth) {
3523                                 switch (column_info[c].alignment) {
3524                                 case LYX_ALIGN_LEFT:
3525                                         os << ">{\\raggedright\\arraybackslash}";
3526                                         break;
3527                                 case LYX_ALIGN_RIGHT:
3528                                         os << ">{\\raggedleft\\arraybackslash}";
3529                                         break;
3530                                 case LYX_ALIGN_CENTER:
3531                                         os << ">{\\centering\\arraybackslash}";
3532                                         break;
3533                                 case LYX_ALIGN_NONE:
3534                                 case LYX_ALIGN_BLOCK:
3535                                 case LYX_ALIGN_LAYOUT:
3536                                 case LYX_ALIGN_SPECIAL:
3537                                 case LYX_ALIGN_DECIMAL:
3538                                         break;
3539                                 }
3540                                 os << 'X';
3541                         } else if (isVTypeColumn(c))
3542                                 os << "V{\\linewidth}";
3543                         else {
3544                                 switch (column_info[c].alignment) {
3545                                 case LYX_ALIGN_LEFT:
3546                                         os << 'l';
3547                                         break;
3548                                 case LYX_ALIGN_RIGHT:
3549                                         os << 'r';
3550                                         break;
3551                                 case LYX_ALIGN_DECIMAL:
3552                                         os << "r@{\\extracolsep{0pt}" << column_info[c].decimal_point << "}l";
3553                                         break;
3554                                 default:
3555                                         os << 'c';
3556                                         break;
3557                                 }
3558                         } // end if else !column_info[i].p_width
3559                 } // end if else !column_info[i].align_special
3560                 if ((bidi_rtl && columnLeftLine(c)) || (!bidi_rtl && columnRightLine(c)))
3561                         os << '|';
3562         }
3563         os << "}\n";
3564
3565         TeXLongtableHeaderFooter(os, runparams, columns, logical_columns);
3566
3567         //+---------------------------------------------------------------------
3568         //+                      the single row and columns (cells)            +
3569         //+---------------------------------------------------------------------
3570
3571         for (row_type r = 0; r < nrows(); ++r) {
3572                 if (!buffer().params().output_changes && row_info[r].change.deleted())
3573                         continue;
3574                 if (isValidRow(r)) {
3575                         TeXRow(os, r, runparams, columns, logical_columns);
3576                         if (is_long_tabular && row_info[r].newpage)
3577                                 os << "\\newpage\n";
3578                 }
3579         }
3580
3581         //+---------------------------------------------------------------------
3582         //+                      the closing of the tabular                    +
3583         //+---------------------------------------------------------------------
3584
3585         if (is_long_tabular) {
3586                 if (is_xltabular)
3587                         os << "\\end{xltabular}";
3588                 else
3589                         os << "\\end{longtable}";
3590         } else {
3591                 if (is_tabular_star)
3592                         os << "\\end{tabular*}";
3593                 else if (hasVarwidthColumn())
3594                         os << "\\end{tabularx}";
3595                 else
3596                         os << "\\end{tabular}";
3597         }
3598
3599         if (deactivate_chars)
3600                 // close the group
3601                 os << "\n\\endgroup\n";
3602
3603         if (rotate != 0) {
3604                 if (is_long_tabular)
3605                         os << breakln << "\\end{landscape}";
3606                 else
3607                         os << breakln << "\\end{turn}";
3608         }
3609
3610         if (!TexRow::isNone(pos))
3611                 os.texrow().start(pos);
3612 }
3613
3614
3615 std::string Tabular::getVAlignAsXmlAttribute(idx_type cell) const
3616 {
3617         switch (getVAlignment(cell)) {
3618         case LYX_VALIGN_TOP:
3619                 return "valign='top'";
3620         case LYX_VALIGN_BOTTOM:
3621                 return "valign='bottom'";
3622         case LYX_VALIGN_MIDDLE:
3623                 return "valign='middle'";
3624         default:
3625                 // This case only silences a compiler warning, as all the cases are covered above.
3626                 return "";
3627         }
3628 }
3629
3630
3631 std::string Tabular::getHAlignAsXmlAttribute(idx_type cell, const XmlOutputFormat output_format) const
3632 {
3633         switch (getAlignment(cell)) {
3634         case LYX_ALIGN_LEFT:
3635                 return "align='left'";
3636         case LYX_ALIGN_RIGHT:
3637                 return "align='right'";
3638
3639         default:
3640                 // HTML only supports left, right, and center.
3641                 if (output_format == XmlOutputFormat::XHTML)
3642                         return "align='center'";
3643
3644                 // DocBook also has justify and decimal.
3645                 if (getAlignment(cell) == LYX_ALIGN_BLOCK) {
3646                         return "align='justify'";
3647                 } else if (getAlignment(cell) == LYX_ALIGN_DECIMAL) {
3648                         Language const *tlang = buffer().paragraphs().front().getParLanguage(buffer().params());
3649                         return "align='char' char='" + to_utf8(tlang->decimalSeparator()) + "'";
3650                 } else {
3651                         return "align='center'";
3652                 }
3653         }
3654 }
3655
3656 Tabular::XmlRowWiseBorders Tabular::computeXmlBorders(row_type row) const
3657 {
3658         Tabular::XmlRowWiseBorders borders;
3659
3660         // Determine whether borders are required.
3661         for (col_type c = 0; c < ncols(); ++c) {
3662                 if (row < nrows() - 1) {
3663                         if (!bottomLine(cellIndex(row, c))
3664                             || !topLine(cellIndex(row + 1, c))) {
3665                                 borders.completeBorder = false;
3666                         }
3667                         if (!bottomLine(cellIndex(row, c))
3668                             && !topLine(cellIndex(row + 1, c))) {
3669                                 borders.completeBorderBelow = false;
3670                         }
3671                 } else if (row == nrows() - 1 && !bottomLine(cellIndex(row, c))) {
3672                         borders.completeBorderBelow = false;
3673                 }
3674
3675                 if ((row > 0 && !bottomLine(cellIndex(row - 1, c)) && !topLine(cellIndex(row, c))) ||
3676                     (row == 0 && !topLine(cellIndex(row, c)))) {
3677                         borders.completeBorderAbove = false;
3678                 }
3679         }
3680
3681         // Size of booktabs borders.
3682         if (use_booktabs) {
3683                 if (borders.completeBorderAbove)
3684                         borders.borderTopWidth = row == 0 ? 2 : 1.5;
3685                 if (borders.completeBorderBelow) {
3686                         borders.borderBottomWidth = row == nrows() - 1 ? 2 : 1.5;
3687                         borders.borderBottomWidthComplete = 3 * borders.borderBottomWidth;
3688                 }
3689         }
3690
3691         return borders;
3692 }
3693
3694
3695 std::vector<std::string> Tabular::computeCssStylePerCell(row_type row, col_type col, idx_type cell) const
3696 {
3697         std::vector<std::string> styles;
3698
3699         // Fixed width.
3700         Length const col_width = column_info[col].p_width;
3701         if (!col_width.zero())
3702                 styles.emplace_back("width: " + col_width.asHTMLString());
3703
3704         // Borders and booktabs.
3705         const Tabular::XmlRowWiseBorders borders = computeXmlBorders(row);
3706
3707         if (bottomLine(cell)) {
3708                 if (row < nrows() - 1 && borders.completeBorder)
3709                         styles.emplace_back("border-bottom: " + to_string(borders.borderBottomWidthComplete) + "px double");
3710                 else
3711                         styles.emplace_back("border-bottom: " + to_string(borders.borderBottomWidth) + "px solid");
3712         }
3713         if (rightLine(cell)) {
3714                 if (col < ncols() - 1 && leftLine(cell + 1))
3715                         styles.emplace_back("border-right: 3px double");
3716                 else
3717                         styles.emplace_back("border-right: 1px solid");
3718         }
3719         if (leftLine(cell))
3720                 styles.emplace_back("border-left: 1px solid");
3721         if (topLine(cell))
3722                 styles.emplace_back("border-top: " + to_string(borders.borderTopWidth) + "px solid");
3723
3724         return styles;
3725 }
3726
3727
3728 docstring Tabular::xmlRow(XMLStream & xs, const row_type row, OutputParams const & runparams,
3729         const bool header, const XmlOutputFormat output_format, BufferParams::TableOutput docbook_table_output) const
3730 {
3731         docstring ret;
3732         const bool is_xhtml_table = output_format == XmlOutputFormat::XHTML ||
3733                         docbook_table_output == BufferParams::TableOutput::HTMLTable;
3734         const bool is_cals_table = output_format == XmlOutputFormat::DOCBOOK &&
3735                         docbook_table_output == BufferParams::TableOutput::CALSTable;
3736
3737         std::string const row_tag = is_xhtml_table ? "tr" : "row";
3738         std::string const cell_tag = is_xhtml_table ? (header ? "th" : "td") : "entry";
3739         Tabular::XmlRowWiseBorders const borders = computeXmlBorders(row);
3740         idx_type cell = getFirstCellInRow(row);
3741
3742         std::string row_attr;
3743         bool cals_row_has_rowsep = false; // TODO: is this required? Is it possible that only a/several cells request a row separator, but not the complete row?
3744         // CALS only: all cases where there should be a line *below* this row.
3745         if (is_cals_table && (row_info[row].bottom_space_default || bottomLine(cell))) {
3746                 if (borders.completeBorderBelow) {
3747                         row_attr = "rowsep='1'";
3748                         cals_row_has_rowsep = true;
3749                 }
3750         }
3751
3752         xs << xml::StartTag(row_tag, row_attr);
3753         xs << xml::CR();
3754         for (col_type c = 0; c < ncols(); ++c, ++cell) {
3755                 if (isPartOfMultiColumn(row, c) || isPartOfMultiRow(row, c))
3756                         continue;
3757
3758                 stringstream attr;
3759
3760                 if (is_xhtml_table) {
3761                         const std::vector<std::string> styles = computeCssStylePerCell(row, c, cell);
3762                         attr << "style='" ;
3763                 for (auto it = styles.begin(); it != styles.end(); ++it) {
3764                                 attr << *it;
3765                                 if (it != styles.end() - 1)
3766                                         attr << "; ";
3767                 }
3768                         attr << "' ";
3769                 }
3770
3771                 if (is_cals_table) {
3772                         if (!cals_row_has_rowsep && bottomLine(cell))
3773                                 attr << "rowsep='1' ";
3774                 }
3775
3776                 attr << getHAlignAsXmlAttribute(cell, output_format) << " " << getVAlignAsXmlAttribute(cell);
3777
3778                 if (is_xhtml_table) {
3779                         if (isMultiColumn(cell))
3780                                 attr << " colspan='" << columnSpan(cell) << "'";
3781                         else if (isMultiRow(cell))
3782                                 attr << " rowspan='" << rowSpan(cell) << "'";
3783                 } else if (is_cals_table) {
3784                         if (isMultiColumn(cell))
3785                                 attr << " namest='c" << c << " nameend='c" << (c + columnSpan(cell)) << "'";
3786                         else if (isMultiRow(cell))
3787                                 attr << " morerows='" << rowSpan(cell) << "'";
3788                         else
3789                                 attr << " colname='c" << (c + 1) << "'"; // CALS column numbering starts at 1.
3790                 }
3791
3792                 // Render the cell as either XHTML or DocBook.
3793                 xs << xml::StartTag(cell_tag, attr.str(), true);
3794                 if (output_format == XmlOutputFormat::XHTML) {
3795                         ret += cellInset(cell)->xhtml(xs, runparams);
3796                 } else if (output_format == XmlOutputFormat::DOCBOOK) {
3797                         // DocBook: no return value for this function.
3798                         OutputParams rp = runparams;
3799                         rp.docbook_in_par = false;
3800                         rp.docbook_force_pars = true;
3801                         cellInset(cell)->docbook(xs, rp);
3802                 }
3803                 xs << xml::EndTag(cell_tag);
3804                 xs << xml::CR();
3805         }
3806         xs << xml::EndTag(row_tag);
3807         xs << xml::CR();
3808
3809         return ret;
3810 }
3811
3812
3813 void Tabular::xmlHeader(XMLStream & xs, OutputParams const & runparams, const XmlOutputFormat output_format) const
3814 {
3815         // Output the header of the table. For both HTML and CALS, this is surrounded by a thead.
3816         bool const have_first_head = haveLTFirstHead(false);
3817         // if we have a first head, then we are going to ignore the
3818         // headers for the additional pages, since there aren't any
3819         // in HTML or DocBook.
3820         bool const have_head = !have_first_head && haveLTHead(false);
3821
3822         if (have_head || have_first_head) {
3823                 xs << xml::StartTag("thead") << xml::CR();
3824                 for (row_type r = 0; r < nrows(); ++r) {
3825                         if (((have_first_head && row_info[r].endfirsthead) ||
3826                              (have_head && row_info[r].endhead)) &&
3827                             !row_info[r].caption) {
3828                                 xmlRow(xs, r, runparams, true, output_format, buffer().params().docbook_table_output);
3829                         }
3830                 }
3831                 xs << xml::EndTag("thead");
3832                 xs << xml::CR();
3833         }
3834 }
3835
3836
3837 void Tabular::xmlFooter(XMLStream & xs, OutputParams const & runparams, const XmlOutputFormat output_format) const
3838 {
3839         // Output the footer of the table. For both HTML and CALS, this is surrounded by a tfoot and output just after
3840         // the header (and before the body).
3841         bool const have_last_foot = haveLTLastFoot(false);
3842         bool const have_foot = !have_last_foot && haveLTFoot(false);
3843
3844         if (have_foot || have_last_foot) {
3845                 xs << xml::StartTag("tfoot") << xml::CR();
3846                 for (row_type r = 0; r < nrows(); ++r) {
3847                         if (((have_last_foot && row_info[r].endlastfoot) ||
3848                              (have_foot && row_info[r].endfoot)) &&
3849                             !row_info[r].caption) {
3850                                 xmlRow(xs, r, runparams, false, output_format, buffer().params().docbook_table_output);
3851                         }
3852                 }
3853                 xs << xml::EndTag("tfoot");
3854                 xs << xml::CR();
3855         }
3856 }
3857
3858
3859 void Tabular::xmlBody(XMLStream & xs, OutputParams const & runparams, const XmlOutputFormat output_format) const
3860 {
3861         // Output the main part of the table. The tbody container is mandatory for CALS, but optional for HTML (only if
3862         // there is no header and no footer). It never hurts to have it, though.
3863         xs << xml::StartTag("tbody");
3864         xs << xml::CR();
3865         for (row_type r = 0; r < nrows(); ++r)
3866                 if (isValidRow(r))
3867                         xmlRow(xs, r, runparams, false, output_format, buffer().params().docbook_table_output);
3868         xs << xml::EndTag("tbody");
3869         xs << xml::CR();
3870 }
3871
3872
3873 void Tabular::docbook(XMLStream & xs, OutputParams const & runparams) const
3874 {
3875         // Some tables are inline. Likely limitation: cannot output a table within a table; is that really a limitation?
3876         if (!runparams.docbook_in_table) { // Check on the *outer* set of parameters, so that the table can be closed
3877                 // properly at the end of this function.
3878                 xs << xml::StartTag("informaltable");
3879                 xs << xml::CR();
3880         }
3881
3882         // "Formal" tables have a title and use the tag <table>; the distinction with <informaltable> is done outside.
3883         // HTML has the caption first with titles forbidden, and CALS has a title first.
3884         if (haveLTCaption()) {
3885                 std::string caption_tag = ((buffer().params().docbook_table_output) == BufferParams::HTMLTable) ? "caption" : "title";
3886
3887                 xs << xml::StartTag(caption_tag);
3888                 for (row_type r = 0; r < nrows(); ++r)
3889                         if (row_info[r].caption)
3890                                 xmlRow(xs, r, runparams, false, XmlOutputFormat::DOCBOOK, buffer().params().docbook_table_output);
3891                 xs << xml::EndTag(caption_tag);
3892                 xs << xml::CR();
3893         }
3894
3895         // CALS header: describe all columns in this table. For names, take 'c' then the ID of the column.
3896         // Start at one, as is customary with CALS!
3897         if (buffer().params().docbook_table_output == BufferParams::CALSTable) {
3898                 for (col_type c = 0; c < ncols(); ++c) {
3899                         std::stringstream attr;
3900                         attr << "colnum='" << (c + 1) << "' ";
3901                         attr << "colname='c" << (c + 1) << "' ";
3902                         Length const cwidth = column_info[c].p_width;
3903                         if (!cwidth.zero())
3904                                 attr << "colwidth='" << cwidth.asHTMLString() << "' ";
3905                         attr << "rowheader='norowheader'"; // Last attribute, hence no space at the end.
3906
3907                         xs << xml::CompTag("colspec", attr.str());
3908                         xs << xml::CR();
3909                 }
3910         }
3911
3912         xmlHeader(xs, runparams, XmlOutputFormat::DOCBOOK);
3913         xmlFooter(xs, runparams, XmlOutputFormat::DOCBOOK);
3914         xmlBody(xs, runparams, XmlOutputFormat::DOCBOOK);
3915
3916         // If this method started the table tag, also make it close it.
3917         if (!runparams.docbook_in_table) {
3918                 xs << xml::EndTag("informaltable");
3919                 xs << xml::CR();
3920         }
3921 }
3922
3923
3924 docstring Tabular::xhtml(XMLStream & xs, OutputParams const & runparams) const
3925 {
3926         docstring ret;
3927
3928         if (is_long_tabular) {
3929                 // We'll wrap it in a div to deal with alignment.
3930                 string align;
3931                 switch (longtabular_alignment) {
3932                 case LYX_LONGTABULAR_ALIGN_LEFT:
3933                         align = "left";
3934                         break;
3935                 case LYX_LONGTABULAR_ALIGN_CENTER:
3936                         align = "center";
3937                         break;
3938                 case LYX_LONGTABULAR_ALIGN_RIGHT:
3939                         align = "right";
3940                         break;
3941                 }
3942                 xs << xml::StartTag("div", "class='longtable' style='text-align: " + align + ";'");
3943                 xs << xml::CR();
3944
3945                 // The caption flag is output before header/footer.
3946                 if (haveLTCaption()) {
3947                         xs << xml::StartTag("div", "class='longtable-caption' style='text-align: " + align + ";'");
3948                         xs << xml::CR();
3949                         for (row_type r = 0; r < nrows(); ++r)
3950                                 if (row_info[r].caption)
3951                                         ret += xmlRow(xs, r, runparams, false, XmlOutputFormat::XHTML);
3952                         xs << xml::EndTag("div");
3953                         xs << xml::CR();
3954                 }
3955         }
3956
3957         xs << xml::StartTag("table");
3958         xs << xml::CR();
3959
3960         xmlHeader(xs, runparams, XmlOutputFormat::XHTML);
3961         xmlFooter(xs, runparams, XmlOutputFormat::XHTML);
3962         xmlBody(xs, runparams, XmlOutputFormat::XHTML);
3963
3964         xs << xml::EndTag("table");
3965         xs << xml::CR();
3966         if (is_long_tabular) {
3967                 xs << xml::EndTag("div");
3968                 xs << xml::CR();
3969         }
3970         return ret;
3971 }
3972
3973
3974 bool Tabular::plaintextTopHLine(odocstringstream & os, row_type row,
3975                                    vector<unsigned int> const & clen) const
3976 {
3977         idx_type const fcell = getFirstCellInRow(row);
3978         idx_type const n = numberOfCellsInRow(row) + fcell;
3979         idx_type tmp = 0;
3980
3981         for (idx_type i = fcell; i < n; ++i) {
3982                 if (topLine(i)) {
3983                         ++tmp;
3984                         break;
3985                 }
3986         }
3987         if (!tmp)
3988                 return false;
3989
3990         char_type ch;
3991         for (idx_type i = fcell; i < n; ++i) {
3992                 if (topLine(i)) {
3993                         if (leftLine(i))
3994                                 os << "+-";
3995                         else
3996                                 os << "--";
3997                         ch = '-';
3998                 } else {
3999                         os << "  ";
4000                         ch = ' ';
4001                 }
4002                 col_type column = cellColumn(i);
4003                 int len = clen[column];
4004                 while (column < ncols() - 1
4005                        && isPartOfMultiColumn(row, ++column))
4006                         len += clen[column] + 4;
4007                 os << docstring(len, ch);
4008                 if (topLine(i)) {
4009                         if (rightLine(i))
4010                                 os << "-+";
4011                         else
4012                                 os << "--";
4013                 } else {
4014                         os << "  ";
4015                 }
4016         }
4017         os << endl;
4018         return true;
4019 }
4020
4021
4022 bool Tabular::plaintextBottomHLine(odocstringstream & os, row_type row,
4023                                       vector<unsigned int> const & clen) const
4024 {
4025         idx_type const fcell = getFirstCellInRow(row);
4026         idx_type const n = numberOfCellsInRow(row) + fcell;
4027         idx_type tmp = 0;
4028
4029         for (idx_type i = fcell; i < n; ++i) {
4030                 if (bottomLine(i)) {
4031                         ++tmp;
4032                         break;
4033                 }
4034         }
4035         if (!tmp)
4036                 return false;
4037
4038         char_type ch;
4039         for (idx_type i = fcell; i < n; ++i) {
4040                 if (bottomLine(i)) {
4041                         if (leftLine(i))
4042                                 os << "+-";
4043                         else
4044                                 os << "--";
4045                         ch = '-';
4046                 } else {
4047                         os << "  ";
4048                         ch = ' ';
4049                 }
4050                 col_type column = cellColumn(i);
4051                 int len = clen[column];
4052                 while (column < ncols() - 1 && isPartOfMultiColumn(row, ++column))
4053                         len += clen[column] + 4;
4054                 os << docstring(len, ch);
4055                 if (bottomLine(i)) {
4056                         if (rightLine(i))
4057                                 os << "-+";
4058                         else
4059                                 os << "--";
4060                 } else {
4061                         os << "  ";
4062                 }
4063         }
4064         os << endl;
4065         return true;
4066 }
4067
4068
4069 void Tabular::plaintextPrintCell(odocstringstream & os,
4070                                OutputParams const & runparams,
4071                                idx_type cell, row_type row, col_type column,
4072                                vector<unsigned int> const & clen,
4073                                bool onlydata, size_t max_length) const
4074 {
4075         odocstringstream sstr;
4076         cellInset(cell)->plaintext(sstr, runparams, max_length);
4077
4078         if (onlydata) {
4079                 os << sstr.str();
4080                 return;
4081         }
4082
4083         if (leftLine(cell))
4084                 os << "| ";
4085         else
4086                 os << "  ";
4087
4088         unsigned int len1 = sstr.str().length();
4089         unsigned int len2 = clen[column];
4090         while (column < ncols() - 1 && isPartOfMultiColumn(row, ++column))
4091                 len2 += clen[column] + 4;
4092         len2 -= len1;
4093
4094         switch (getAlignment(cell)) {
4095         default:
4096         case LYX_ALIGN_LEFT:
4097                 len1 = 0;
4098                 break;
4099         case LYX_ALIGN_RIGHT:
4100                 len1 = len2;
4101                 len2 = 0;
4102                 break;
4103         case LYX_ALIGN_CENTER:
4104                 len1 = len2 / 2;
4105                 len2 -= len1;
4106                 break;
4107         }
4108
4109         os << docstring(len1, ' ') << sstr.str()
4110            << docstring(len2, ' ');
4111
4112         if (rightLine(cell))
4113                 os << " |";
4114         else
4115                 os << "  ";
4116 }
4117
4118
4119 void Tabular::plaintext(odocstringstream & os,
4120                            OutputParams const & runparams, int const depth,
4121                            bool onlydata, char_type delim, size_t max_length) const
4122 {
4123         // first calculate the width of the single columns
4124         vector<unsigned int> clen(ncols());
4125
4126         if (!onlydata) {
4127                 // first all non multicolumn cells!
4128                 for (col_type c = 0; c < ncols(); ++c) {
4129                         clen[c] = 0;
4130                         for (row_type r = 0; r < nrows(); ++r) {
4131                                 idx_type cell = cellIndex(r, c);
4132                                 if (isMultiColumn(cell))
4133                                         continue;
4134                                 odocstringstream sstr;
4135                                 cellInset(cell)->plaintext(sstr, runparams, max_length);
4136                                 if (clen[c] < sstr.str().length())
4137                                         clen[c] = sstr.str().length();
4138                         }
4139                 }
4140                 // then all multicolumn cells!
4141                 for (col_type c = 0; c < ncols(); ++c) {
4142                         for (row_type r = 0; r < nrows(); ++r) {
4143                                 idx_type cell = cellIndex(r, c);
4144                                 if (cell_info[r][c].multicolumn != CELL_BEGIN_OF_MULTICOLUMN)
4145                                         continue;
4146                                 odocstringstream sstr;
4147                                 cellInset(cell)->plaintext(sstr, runparams, max_length);
4148                                 int len = int(sstr.str().length());
4149                                 idx_type const n = columnSpan(cell);
4150                                 for (col_type k = c; len > 0 && k < c + n - 1; ++k)
4151                                         len -= clen[k];
4152                                 if (len > int(clen[c + n - 1]))
4153                                         clen[c + n - 1] = len;
4154                         }
4155                 }
4156         }
4157         idx_type cell = 0;
4158         for (row_type r = 0; r < nrows(); ++r) {
4159                 if (!onlydata && plaintextTopHLine(os, r, clen))
4160                         os << docstring(depth * 2, ' ');
4161                 for (col_type c = 0; c < ncols(); ++c) {
4162                         if (isPartOfMultiColumn(r, c) || isPartOfMultiRow(r,c))
4163                                 continue;
4164                         if (onlydata && c > 0)
4165                                 // we don't use operator<< for single UCS4 character.
4166                                 // see explanation in docstream.h
4167                                 os.put(delim);
4168                         plaintextPrintCell(os, runparams, cell, r, c, clen, onlydata, max_length);
4169                         ++cell;
4170                         if (os.str().size() > max_length)
4171                                 break;
4172                 }
4173                 os << endl;
4174                 if (!onlydata) {
4175                         os << docstring(depth * 2, ' ');
4176                         if (plaintextBottomHLine(os, r, clen))
4177                                 os << docstring(depth * 2, ' ');
4178                 }
4179                 if (os.str().size() > max_length)
4180                         break;
4181         }
4182 }
4183
4184
4185 shared_ptr<InsetTableCell> Tabular::cellInset(idx_type cell)
4186 {
4187         return cell_info[cellRow(cell)][cellColumn(cell)].inset;
4188 }
4189
4190
4191 shared_ptr<InsetTableCell> Tabular::cellInset(row_type row, col_type column)
4192 {
4193         return cell_info[row][column].inset;
4194 }
4195
4196
4197 InsetTableCell const * Tabular::cellInset(idx_type cell) const
4198 {
4199         return cell_info[cellRow(cell)][cellColumn(cell)].inset.get();
4200 }
4201
4202
4203 void Tabular::setCellInset(row_type row, col_type column,
4204                            shared_ptr<InsetTableCell> ins)
4205 {
4206         CellData & cd = cell_info[row][column];
4207         cd.inset = ins;
4208 }
4209
4210
4211 void Tabular::validate(LaTeXFeatures & features) const
4212 {
4213         features.require("NeedTabularnewline");
4214         if (use_booktabs)
4215                 features.require("booktabs");
4216         if (is_long_tabular && !hasVarwidthColumn()) {
4217                 if (tabular_width.zero())
4218                         features.require("longtable");
4219                 else
4220                         features.require("xltabular");
4221         }
4222         if (rotate && is_long_tabular)
4223                 features.require("lscape");
4224         if (needRotating())
4225                 features.require("rotating");
4226         if (hasVarwidthColumn()) {
4227                 if (is_long_tabular)
4228                         features.require("xltabular");
4229                 else
4230                         features.require("tabularx");
4231         }
4232         for (idx_type cell = 0; cell < numberofcells; ++cell) {
4233                 if (isMultiRow(cell))
4234                         features.require("multirow");
4235                 if (getUsebox(cell) == BOX_VARWIDTH) {
4236                         features.require("varwidth");
4237                         features.require("cellvarwidth");
4238                 }
4239                 if (getVAlignment(cell) != LYX_VALIGN_TOP
4240                     || !getPWidth(cell).zero()
4241                     || isVTypeColumn(cellColumn(cell)))
4242                         features.require("array");
4243                 // Tell footnote that we need a savenote
4244                 // environment in non-long tables or
4245                 // longtable headers/footers
4246                 else if (!is_long_tabular && !features.inFloat())
4247                         features.saveNoteEnv("tabular");
4248                 else if (!isValidRow(cellRow(cell)))
4249                         features.saveNoteEnv("longtable");
4250
4251                 cellInset(cell)->validate(features);
4252                 features.saveNoteEnv(string());
4253         }
4254 }
4255
4256
4257 Tabular::BoxType Tabular::useBox(idx_type cell) const
4258 {
4259         ParagraphList const & parlist = cellInset(cell)->paragraphs();
4260         if (parlist.size() > 1)
4261                 return BOX_VARWIDTH;
4262
4263         ParagraphList::const_iterator cit = parlist.begin();
4264         ParagraphList::const_iterator end = parlist.end();
4265
4266         for (; cit != end; ++cit)
4267                 for (int i = 0; i < cit->size(); ++i)
4268                         if (cit->isNewline(i) || cit->layout().isEnvironment())
4269                                 return BOX_VARWIDTH;
4270
4271         return BOX_NONE;
4272 }
4273
4274
4275 bool Tabular::hasNewlines(idx_type cell) const
4276 {
4277         ParagraphList const & parlist = cellInset(cell)->paragraphs();
4278         ParagraphList::const_iterator cit = parlist.begin();
4279         ParagraphList::const_iterator end = parlist.end();
4280
4281         for (; cit != end; ++cit)
4282                 for (int i = 0; i < cit->size(); ++i)
4283                         if (cit->isNewline(i))
4284                                 return true;
4285
4286         return false;
4287 }
4288
4289
4290 /////////////////////////////////////////////////////////////////////
4291 //
4292 // InsetTableCell
4293 //
4294 /////////////////////////////////////////////////////////////////////
4295
4296 InsetTableCell::InsetTableCell(Buffer * buf)
4297         : InsetText(buf, InsetText::PlainLayout), isFixedWidth(false), isVarwidth(false),
4298           isMultiColumn(false), isMultiRow(false), contentAlign(LYX_ALIGN_CENTER)
4299 {}
4300
4301 bool InsetTableCell::allowParagraphCustomization(idx_type) const
4302 {
4303         return isFixedWidth;
4304 }
4305
4306
4307 bool InsetTableCell::forceLocalFontSwitch() const
4308 {
4309         return true;
4310 }
4311
4312
4313 bool InsetTableCell::getStatus(Cursor & cur, FuncRequest const & cmd,
4314         FuncStatus & status) const
4315 {
4316         bool enabled = true;
4317         switch (cmd.action()) {
4318         case LFUN_INSET_SPLIT:
4319         case LFUN_INSET_DISSOLVE:
4320                 enabled = false;
4321                 break;
4322         case LFUN_MATH_DISPLAY:
4323                 if (!hasFixedWidth()) {
4324                         enabled = false;
4325                         break;
4326                 } //fall-through
4327         default:
4328                 return InsetText::getStatus(cur, cmd, status);
4329         }
4330         status.setEnabled(enabled);
4331         return true;
4332 }
4333
4334 docstring InsetTableCell::asString(bool intoInsets)
4335 {
4336         docstring retval;
4337         if (paragraphs().empty())
4338                 return retval;
4339         ParagraphList::const_iterator it = paragraphs().begin();
4340         ParagraphList::const_iterator en = paragraphs().end();
4341         bool first = true;
4342         for (; it != en; ++it) {
4343                 if (!first)
4344                         retval += "\n";
4345                 else
4346                         first = false;
4347                 retval += it->asString(intoInsets ? AS_STR_INSETS : AS_STR_NONE);
4348         }
4349         return retval;
4350 }
4351
4352
4353 void InsetTableCell::addToToc(DocIterator const & di, bool output_active,
4354                                                           UpdateType utype, TocBackend & backend) const
4355 {
4356         InsetText::iterateForToc(di, output_active, utype, backend);
4357 }
4358
4359
4360 docstring InsetTableCell::xhtml(XMLStream & xs, OutputParams const & rp) const
4361 {
4362         if (!isFixedWidth)
4363                 return InsetText::insetAsXHTML(xs, rp, InsetText::JustText);
4364         return InsetText::xhtml(xs, rp);
4365 }
4366
4367
4368 void InsetTableCell::docbook(XMLStream & xs, OutputParams const & runparams) const
4369 {
4370         InsetText::docbook(xs, runparams);
4371 }
4372
4373
4374 void InsetTableCell::metrics(MetricsInfo & mi, Dimension & dim) const
4375 {
4376         TextMetrics & tm = mi.base.bv->textMetrics(&text());
4377         int const horiz_offset = leftOffset(mi.base.bv) + rightOffset(mi.base.bv);
4378
4379         // Hand font through to contained lyxtext:
4380         tm.font_.fontInfo() = mi.base.font;
4381         mi.base.textwidth -= horiz_offset;
4382
4383         // This can happen when a layout has a left and right margin,
4384         // and the view is made very narrow. We can't do better than
4385         // to draw it partly out of view (bug 5890).
4386         if (mi.base.textwidth < 1)
4387                 mi.base.textwidth = 1;
4388
4389         // We tell metrics here not to expand on multiple pars
4390         // This is the difference to InsetText::Metrics
4391         Changer changetight = changeVar(mi.tight_insets, true);
4392         if (hasFixedWidth())
4393                 tm.metrics(mi, dim, mi.base.textwidth);
4394         else
4395                 tm.metrics(mi, dim, 0);
4396         mi.base.textwidth += horiz_offset;
4397         dim.asc += topOffset(mi.base.bv);
4398         dim.des += bottomOffset(mi.base.bv);
4399         dim.wid += horiz_offset;
4400 }
4401
4402
4403 /////////////////////////////////////////////////////////////////////
4404 //
4405 // InsetTabular
4406 //
4407 /////////////////////////////////////////////////////////////////////
4408
4409 InsetTabular::InsetTabular(Buffer * buf, row_type rows,
4410                            col_type columns)
4411         : Inset(buf), tabular(buf, max(rows, row_type(1)), max(columns, col_type(1))),
4412           rowselect_(false), colselect_(false)
4413 {
4414 }
4415
4416
4417 InsetTabular::InsetTabular(InsetTabular const & tab)
4418         : Inset(tab), tabular(tab.tabular),
4419           rowselect_(false), colselect_(false)
4420 {
4421 }
4422
4423
4424 InsetTabular::~InsetTabular()
4425 {
4426         hideDialogs("tabular", this);
4427 }
4428
4429
4430 void InsetTabular::setBuffer(Buffer & buf)
4431 {
4432         tabular.setBuffer(buf);
4433         Inset::setBuffer(buf);
4434 }
4435
4436
4437 bool InsetTabular::insetAllowed(InsetCode code) const
4438 {
4439         switch (code) {
4440         case FLOAT_CODE:
4441         case MARGIN_CODE:
4442         case MATHMACRO_CODE:
4443         case WRAP_CODE:
4444                 return false;
4445
4446         case CAPTION_CODE:
4447                 return tabular.is_long_tabular;
4448
4449         default:
4450                 return true;
4451         }
4452 }
4453
4454
4455 bool InsetTabular::allowMultiPar() const
4456 {
4457         for (col_type c = 0; c < tabular.ncols(); ++c) {
4458                 for (row_type r = 0; r < tabular.nrows(); ++r) {
4459                         if (tabular.cellInset(r,c)->allowMultiPar())
4460                                 return true;
4461                 }
4462         }
4463         return false;
4464 }
4465
4466
4467 bool InsetTabular::allowsCaptionVariation(std::string const & newtype) const
4468 {
4469         return tabular.is_long_tabular &&
4470                 (newtype == "Standard" || newtype == "Unnumbered");
4471 }
4472
4473
4474 void InsetTabular::write(ostream & os) const
4475 {
4476         os << "Tabular" << endl;
4477         tabular.write(os);
4478 }
4479
4480
4481 string InsetTabular::contextMenu(BufferView const &, int, int) const
4482 {
4483         // FIXME: depending on the selection state,
4484         // we could offer a different menu.
4485         return cell(0)->contextMenuName() + ";" + contextMenuName();
4486 }
4487
4488
4489 string InsetTabular::contextMenuName() const
4490 {
4491         return "context-tabular";
4492 }
4493
4494
4495 void InsetTabular::read(Lexer & lex)
4496 {
4497         //bool const old_format = (lex.getString() == "\\LyXTable");
4498
4499         tabular.read(lex);
4500
4501         //if (old_format)
4502         //      return;
4503
4504         lex.next();
4505         string token = lex.getString();
4506         while (lex && token != "\\end_inset") {
4507                 lex.next();
4508                 token = lex.getString();
4509         }
4510         if (!lex)
4511                 lex.printError("Missing \\end_inset at this point. ");
4512 }
4513
4514
4515 int InsetTabular::rowFromY(Cursor & cur, int y) const
4516 {
4517         // top y coordinate of tabular
4518         int h = yo(cur.bv()) - tabular.rowAscent(0) + tabular.offsetVAlignment();
4519         row_type r = 0;
4520         for (; r < tabular.nrows() && y > h; ++r)
4521                 h += tabular.rowAscent(r) + tabular.rowDescent(r)
4522                         + tabular.interRowSpace(r);
4523
4524         return r - 1;
4525 }
4526
4527
4528 int InsetTabular::columnFromX(Cursor & cur, int x) const
4529 {
4530         // left x coordinate of tabular
4531         int w = xo(cur.bv()) + ADD_TO_TABULAR_WIDTH;
4532         col_type c = 0;
4533         for (; c < tabular.ncols() && x > w; ++c)
4534                 w += tabular.cellWidth(c);
4535         return c - 1;
4536 }
4537
4538
4539 void InsetTabular::metrics(MetricsInfo & mi, Dimension & dim) const
4540 {
4541         //lyxerr << "InsetTabular::metrics: " << mi.base.bv << " width: " <<
4542         //      mi.base.textwidth << "\n";
4543         LBUFERR(mi.base.bv);
4544
4545         for (row_type r = 0; r < tabular.nrows(); ++r) {
4546                 int maxasc = 0;
4547                 int maxdes = 0;
4548                 for (col_type c = 0; c < tabular.ncols(); ++c) {
4549                         if (tabular.isPartOfMultiColumn(r, c)
4550                                 || tabular.isPartOfMultiRow(r, c))
4551                                 // multicolumn or multirow cell, but not first one
4552                                 continue;
4553                         idx_type const cell = tabular.cellIndex(r, c);
4554                         Dimension dim0;
4555                         MetricsInfo m = mi;
4556                         Length const p_width = tabular.getPWidth(cell);
4557                         if (!p_width.zero())
4558                                 m.base.textwidth = mi.base.inPixels(p_width);
4559                         else if (tabular.column_info[c].varwidth)
4560                                 m.base.textwidth = tabular.column_info[c].width;
4561                         tabular.cellInset(cell)->metrics(m, dim0);
4562                         if (!p_width.zero() || tabular.column_info[c].varwidth)
4563                                 dim0.wid = m.base.textwidth;
4564                         tabular.cellInfo(cell).width = dim0.wid + 2 * WIDTH_OF_LINE
4565                                 + tabular.interColumnSpace(cell);
4566
4567                         // FIXME(?): do we need a second metrics call?
4568                         TextMetrics const & tm =
4569                                 mi.base.bv->textMetrics(tabular.cellInset(cell)->getText(0));
4570
4571                         // determine horizontal offset because of decimal align (if necessary)
4572                         int decimal_width = 0;
4573                         if (tabular.getAlignment(cell) == LYX_ALIGN_DECIMAL) {
4574                                 InsetTableCell tail = *tabular.cellInset(cell);
4575                                 tail.setBuffer(tabular.buffer());
4576                                 // we need to set macrocontext position everywhere
4577                                 // otherwise we crash with nested insets (e.g. footnotes)
4578                                 // after decimal point
4579                                 DocIterator dit = tabular.cellInset(cell)->getText(0)->macrocontextPosition();
4580                                 dit.pop_back();
4581                                 dit.push_back(CursorSlice(tail));
4582                                 tail.setMacrocontextPositionRecursive(dit);
4583
4584                                 // remove text leading decimal point
4585                                 docstring const align_d = tabular.column_info[c].decimal_point;
4586                                 dit = separatorPos(&tail, align_d);
4587
4588                                 pos_type const psize = tail.paragraphs().front().size();
4589                                 if (dit) {
4590                                         tail.paragraphs().front().eraseChars(0,
4591                                                 dit.pos() < psize ? dit.pos() + 1 : psize, false);
4592                                         Dimension dim1;
4593                                         tail.metrics(m, dim1);
4594                                         decimal_width = dim1.width();
4595                                 }
4596                         }
4597                         tabular.cell_info[r][c].decimal_hoffset = tm.width() - decimal_width;
4598                         tabular.cell_info[r][c].decimal_width = decimal_width;
4599
4600                         // with LYX_VALIGN_BOTTOM the descent is relative to the last
4601                         // row of the last par (note that the par might have multile rows!)
4602                         // = descent of text in last row + bottomOffset:
4603                         int const lastpardes = tm.last().second->rows().back().descent()
4604                                 + bottomOffset(mi.base.bv);
4605                         int offset = 0;
4606                         switch (tabular.getVAlignment(cell)) {
4607                                 case Tabular::LYX_VALIGN_TOP:
4608                                         break;
4609                                 case Tabular::LYX_VALIGN_MIDDLE:
4610                                         offset = -(dim0.des - lastpardes)/2;
4611                                         break;
4612                                 case Tabular::LYX_VALIGN_BOTTOM:
4613                                         offset = -(dim0.des - lastpardes);
4614                                         break;
4615                         }
4616                         tabular.cell_info[r][c].voffset = offset;
4617                         maxasc = max(maxasc, dim0.asc - offset);
4618                         maxdes = max(maxdes, dim0.des + offset);
4619                 }
4620                 int const top_space = tabular.row_info[r].top_space_default ?
4621                     default_line_space :
4622                     mi.base.inPixels(tabular.row_info[r].top_space);
4623                 tabular.setRowAscent(r, maxasc + ADD_TO_HEIGHT + top_space);
4624                 int const bottom_space = tabular.row_info[r].bottom_space_default ?
4625                     default_line_space :
4626                     mi.base.inPixels(tabular.row_info[r].bottom_space);
4627                 tabular.setRowDescent(r, maxdes + ADD_TO_HEIGHT + bottom_space);
4628         }
4629
4630         // We need to recalculate the metrics after column width calculation
4631         // with xtabular (possibly multiple times, so the call is recursive).
4632         if (tabular.updateColumnWidths(mi) && tabular.hasVarwidthColumn())
4633                 metrics(mi, dim);
4634         dim.asc = tabular.rowAscent(0) - tabular.offsetVAlignment();
4635         dim.des = tabular.height() - dim.asc;
4636         dim.wid = tabular.width() + 2 * ADD_TO_TABULAR_WIDTH;
4637 }
4638
4639
4640 bool InsetTabular::isCellSelected(Cursor & cur, row_type row, col_type col) const
4641 {
4642         if (&cur.inset() == this && cur.selection()) {
4643                 if (cur.selIsMultiCell()) {
4644                         row_type rs, re;
4645                         col_type cs, ce;
4646                         getSelection(cur, rs, re, cs, ce);
4647
4648                         idx_type const cell = tabular.cellIndex(row, col);
4649                         col_type const cspan = tabular.columnSpan(cell);
4650                         row_type const rspan = tabular.rowSpan(cell);
4651                         if (col + cspan - 1 >= cs && col <= ce
4652                                 && row + rspan - 1 >= rs && row <= re)
4653                                 return true;
4654                 } else
4655                         if (col == tabular.cellColumn(cur.idx())
4656                                 && row == tabular.cellRow(cur.idx())) {
4657                         CursorSlice const & beg = cur.selBegin();
4658                         CursorSlice const & end = cur.selEnd();
4659
4660                         if ((end.lastpos() > 0 || end.lastpit() > 0)
4661                                   && end.pos() == end.lastpos() && beg.pos() == 0
4662                                   && end.pit() == end.lastpit() && beg.pit() == 0)
4663                                 return true;
4664                 }
4665         }
4666         return false;
4667 }
4668
4669
4670 void InsetTabular::draw(PainterInfo & pi, int x, int y) const
4671 {
4672         x += ADD_TO_TABULAR_WIDTH;
4673
4674         BufferView * bv = pi.base.bv;
4675         Cursor & cur = pi.base.bv->cursor();
4676
4677         // FIXME: As the full background is painted in drawBackground(),
4678         // we have no choice but to do a full repaint for the Text cells.
4679         pi.full_repaint = true;
4680
4681         bool const original_selection_state = pi.selected;
4682
4683         idx_type idx = 0;
4684
4685         // Save tabular change status
4686         Change tab_change = pi.change;
4687
4688         int yy = y + tabular.offsetVAlignment();
4689         for (row_type r = 0; r < tabular.nrows(); ++r) {
4690                 int nx = x;
4691                 for (col_type c = 0; c < tabular.ncols(); ++c) {
4692                         if (tabular.isPartOfMultiColumn(r, c))
4693                                 continue;
4694
4695                         idx = tabular.cellIndex(r, c);
4696
4697                         if (tabular.isPartOfMultiRow(r, c)) {
4698                                 nx += tabular.cellWidth(idx);
4699                                 continue;
4700                         }
4701
4702                         pi.selected |= isCellSelected(cur, r, c);
4703
4704                         // Mark deleted rows/columns
4705                         if (tabular.column_info[c].change.changed())
4706                                 pi.change = tabular.column_info[c].change;
4707                         else if (tabular.row_info[r].change.changed())
4708                                 pi.change = tabular.row_info[r].change;
4709                         else
4710                                 pi.change = tab_change;
4711
4712                         int const cx = nx + tabular.textHOffset(idx);
4713                         int const cy = yy + tabular.textVOffset(idx);
4714                         // Cache the Inset position.
4715                         bv->coordCache().insets().add(cell(idx).get(), cx, cy);
4716                         cell(idx)->draw(pi, cx, cy);
4717                         drawCellLines(pi, nx, yy, r, idx);
4718                         nx += tabular.cellWidth(idx);
4719                         pi.selected = original_selection_state;
4720                 }
4721
4722                 if (r + 1 < tabular.nrows())
4723                         yy += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
4724                                 + tabular.interRowSpace(r + 1);
4725         }
4726 }
4727
4728
4729 void InsetTabular::drawBackground(PainterInfo & pi, int x, int y) const
4730 {
4731         x += ADD_TO_TABULAR_WIDTH;
4732         y += tabular.offsetVAlignment() - tabular.rowAscent(0);
4733         pi.pain.fillRectangle(x, y, tabular.width(), tabular.height(),
4734                 pi.backgroundColor(this));
4735 }
4736
4737
4738 void InsetTabular::drawSelection(PainterInfo & pi, int x, int y) const
4739 {
4740         Cursor & cur = pi.base.bv->cursor();
4741
4742         x += ADD_TO_TABULAR_WIDTH;
4743
4744         if (!cur.selection())
4745                 return;
4746         if (&cur.inset() != this)
4747                 return;
4748
4749         //resetPos(cur);
4750
4751         bool const full_cell_selected = isCellSelected(cur,
4752                 tabular.cellRow(cur.idx()), tabular.cellColumn(cur.idx()));
4753
4754         if (cur.selIsMultiCell() || full_cell_selected) {
4755                 for (row_type r = 0; r < tabular.nrows(); ++r) {
4756                         int xx = x;
4757                         for (col_type c = 0; c < tabular.ncols(); ++c) {
4758                                 if (tabular.isPartOfMultiColumn(r, c))
4759                                         continue;
4760
4761                                 idx_type const cell = tabular.cellIndex(r, c);
4762
4763                                 if (tabular.isPartOfMultiRow(r, c)) {
4764                                         xx += tabular.cellWidth(cell);
4765                                         continue;
4766                                 }
4767                                 int const w = tabular.cellWidth(cell);
4768                                 int const h = tabular.cellHeight(cell);
4769                                 int const yy = y - tabular.rowAscent(r) + tabular.offsetVAlignment();
4770                                 if (isCellSelected(cur, r, c))
4771                                         pi.pain.fillRectangle(xx, yy, w, h, Color_selection);
4772                                 xx += w;
4773                         }
4774                         if (r + 1 < tabular.nrows())
4775                                 y += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
4776                                      + tabular.interRowSpace(r + 1);
4777                 }
4778
4779         }
4780         // FIXME: This code has no effect because InsetTableCell does not handle
4781         // drawSelection other than the trivial implementation in Inset.
4782         //else {
4783         //      x += cellXPos(cur.idx());
4784         //      x += tabular.textHOffset(cur.idx());
4785         //      cell(cur.idx())->drawSelection(pi, x, 0 /* ignored */);
4786         //}
4787 }
4788
4789
4790 namespace {
4791
4792 void tabline(PainterInfo const & pi, int x1, int y1, int x2, int y2, int lt, int rt,
4793              Color const incol, bool drawline, bool heavy = false)
4794 {
4795         Color const col = drawline ? incol : Color_tabularonoffline;
4796         if (drawline && lt > 0)
4797                 pi.pain.line(x1, y1, x1 + lt, y2, pi.textColor(Color_tabularonoffline),
4798                                          Painter::line_onoffdash,
4799                                          Painter::thin_line);
4800         pi.pain.line(x1 + lt, y1, x2 - rt, y2, pi.textColor(col),
4801                                  drawline ? Painter::line_solid : Painter::line_onoffdash,
4802                                  (heavy ? 2 : 1) * Painter::thin_line);
4803         if (drawline && rt > 0)
4804                 pi.pain.line(x2 - rt, y1, x2, y2, pi.textColor(Color_tabularonoffline),
4805                                          Painter::line_onoffdash,
4806                                          Painter::thin_line);
4807 }
4808
4809 }
4810
4811
4812 void InsetTabular::drawCellLines(PainterInfo & pi, int x, int y,
4813                                  row_type row, idx_type cell) const
4814 {
4815         y -= tabular.rowAscent(row);
4816         int const w = tabular.cellWidth(cell);
4817         int const h = tabular.cellHeight(cell);
4818         int lt = 0;
4819         int rt = 0;
4820
4821         col_type const col = tabular.cellColumn(cell);
4822
4823         // Colour the frame if rows/columns are added or deleted
4824         Color colour = Color_tabularline;
4825         if (tabular.column_info[col].change.changed()
4826             || tabular.row_info[row].change.changed())
4827                 colour = tabular.cellInset(cell)->paragraphs().front().lookupChange(0).color();
4828
4829         // Top
4830         bool drawline = tabular.topLine(cell)
4831                 || (row > 0 && tabular.bottomLine(tabular.cellAbove(cell)));
4832         bool heavy = tabular.use_booktabs
4833                         && (row == 0 || (tabular.is_long_tabular && row == 1 && tabular.ltCaption(0)))
4834                         && tabular.rowTopLine(row);
4835         if (tabular.topLineTrim(cell).first
4836             || (row > 0 && tabular.bottomLineTrim(tabular.cellIndex(row - 1, col)).first))
4837                 lt = 10;
4838         if (tabular.topLineTrim(cell).second
4839             || (row > 0 && tabular.bottomLineTrim(tabular.cellIndex(row - 1, col)).second))
4840                 rt = 10;
4841         tabline(pi, x, y, x + w, y, lt, rt, colour, drawline, heavy);
4842
4843         // Bottom
4844         lt = rt = 0;
4845         drawline = tabular.bottomLine(cell);
4846         row_type const lastrow = tabular.nrows() - 1;
4847         // Consider multi-rows
4848         row_type r = row;
4849         while (r < lastrow && tabular.isMultiRow(tabular.cellIndex(r, col))
4850                 && tabular.isPartOfMultiRow(r + 1, col))
4851                 r++;
4852         heavy = tabular.use_booktabs
4853                 && ((row == lastrow && tabular.rowBottomLine(row))
4854                     || (r == lastrow && tabular.rowBottomLine(r)));
4855         if (tabular.bottomLineTrim(cell).first)
4856                 lt = 10;
4857         if (tabular.bottomLineTrim(cell).second)
4858                 rt = 10;
4859         tabline(pi, x, y + h, x + w, y + h, lt, rt, colour, drawline, heavy);
4860
4861         // Left
4862         drawline = tabular.leftLine(cell)
4863                 || (col > 0 && tabular.rightLine(tabular.cellIndex(row, col - 1)));
4864         tabline(pi, x, y, x, y + h, 0, 0, colour, drawline);
4865
4866         // Right
4867         x -= tabular.interColumnSpace(cell);
4868         col_type next_cell_col = col + 1;
4869         while (next_cell_col < tabular.ncols()
4870                 && tabular.isMultiColumn(tabular.cellIndex(row, next_cell_col)))
4871                 next_cell_col++;
4872         drawline = tabular.rightLine(cell)
4873                    || (next_cell_col < tabular.ncols()
4874                        && tabular.leftLine(tabular.cellIndex(row, next_cell_col)));
4875         tabline(pi, x + w, y, x + w, y + h, 0, 0, colour, drawline);
4876 }
4877
4878
4879 void InsetTabular::edit(Cursor & cur, bool front, EntryDirection)
4880 {
4881         //lyxerr << "InsetTabular::edit: " << this << endl;
4882         cur.finishUndo();
4883         cur.push(*this);
4884         if (front) {
4885                 if (isRightToLeft(cur))
4886                         cur.idx() = tabular.getLastCellInRow(0);
4887                 else
4888                         cur.idx() = 0;
4889                 cur.pit() = 0;
4890                 cur.pos() = 0;
4891         } else {
4892                 if (isRightToLeft(cur))
4893                         cur.idx() = tabular.getFirstCellInRow(tabular.nrows() - 1);
4894                 else
4895                         cur.idx() = tabular.numberofcells - 1;
4896                 cur.pit() = 0;
4897                 cur.pos() = cur.lastpos(); // FIXME crude guess
4898         }
4899         cur.setCurrentFont();
4900         // FIXME: this accesses the position cache before it is initialized
4901         //cur.bv().fitCursor();
4902 }
4903
4904
4905 void InsetTabular::updateBuffer(ParIterator const & it, UpdateType utype, bool const /*deleted*/)
4906 {
4907         // In a longtable, tell captions what the current float is
4908         Counters & cnts = buffer().masterBuffer()->params().documentClass().counters();
4909         string const saveflt = cnts.current_float();
4910         if (tabular.is_long_tabular) {
4911                 cnts.current_float("table");
4912                 // in longtables, we only step the counter once
4913                 cnts.step(from_ascii("table"), utype);
4914                 cnts.isLongtable(true);
4915         }
4916
4917         ParIterator it2 = it;
4918         it2.forwardPos();
4919         size_t const end = it2.nargs();
4920         for ( ; it2.idx() < end; it2.top().forwardIdx())
4921                 buffer().updateBuffer(it2, utype);
4922
4923         //reset afterwards
4924         if (tabular.is_long_tabular) {
4925                 cnts.current_float(saveflt);
4926                 cnts.isLongtable(false);
4927         }
4928 }
4929
4930
4931 void InsetTabular::addToToc(DocIterator const & cpit, bool output_active,
4932                                                         UpdateType utype, TocBackend & backend) const
4933 {
4934         DocIterator dit = cpit;
4935         dit.forwardPos();
4936         size_t const end = dit.nargs();
4937         for ( ; dit.idx() < end; dit.top().forwardIdx())
4938                 cell(dit.idx())->addToToc(dit, output_active, utype, backend);
4939 }
4940
4941
4942 bool InsetTabular::hitSelectRow(BufferView const & bv, int x) const
4943 {
4944         int const x0 = xo(bv) + ADD_TO_TABULAR_WIDTH;
4945         return x < x0 || x > x0 + tabular.width();
4946 }
4947
4948
4949 bool InsetTabular::hitSelectColumn(BufferView const & bv, int y) const
4950 {
4951         int const y0 = yo(bv) - tabular.rowAscent(0) + tabular.offsetVAlignment();
4952         // FIXME: using ADD_TO_TABULAR_WIDTH is not really correct since
4953         // there is no margin added vertically to tabular insets.
4954         // However, it works for now.
4955         return y < y0 + ADD_TO_TABULAR_WIDTH || y > y0 + tabular.height() - ADD_TO_TABULAR_WIDTH;
4956 }
4957
4958
4959 bool InsetTabular::clickable(BufferView const & bv, int x, int y) const
4960 {
4961         return hitSelectRow(bv, x) || hitSelectColumn(bv, y);
4962 }
4963
4964
4965 void InsetTabular::doDispatch(Cursor & cur, FuncRequest & cmd)
4966 {
4967         LYXERR(Debug::DEBUG, "# InsetTabular::doDispatch: cmd: " << cmd
4968                              << "\n  cur:" << cur);
4969         CursorSlice sl = cur.top();
4970         Cursor & bvcur = cur.bv().cursor();
4971
4972         FuncCode const act = cmd.action();
4973
4974         switch (act) {
4975
4976         case LFUN_MOUSE_PRESS: {
4977                 //lyxerr << "# InsetTabular::MousePress\n" << cur.bv().cursor() << endl;
4978                 // select row
4979                 if (hitSelectRow(cur.bv(), cmd.x())) {
4980                         row_type r = rowFromY(cur, cmd.y());
4981                         cur.idx() = tabular.getFirstCellInRow(r);
4982                         cur.pit() = 0;
4983                         cur.pos() = 0;
4984                         cur.resetAnchor();
4985                         cur.idx() = tabular.getLastCellInRow(r);
4986                         cur.pit() = cur.lastpit();
4987                         cur.pos() = cur.lastpos();
4988                         cur.selection(true);
4989                         bvcur = cur;
4990                         rowselect_ = true;
4991                         break;
4992                 }
4993                 // select column
4994                 if (hitSelectColumn(cur.bv(), cmd.y())) {
4995                         col_type c = columnFromX(cur, cmd.x());
4996                         cur.idx() = tabular.cellIndex(0, c);
4997                         cur.pit() = 0;
4998                         cur.pos() = 0;
4999                         cur.resetAnchor();
5000                         cur.idx() = tabular.cellIndex(tabular.nrows() - 1, c);
5001                         cur.pit() = cur.lastpit();
5002                         cur.pos() = cur.lastpos();
5003                         cur.selection(true);
5004                         bvcur = cur;
5005                         colselect_ = true;
5006                         break;
5007                 }
5008                 // do not reset cursor/selection if we have selected
5009                 // some cells (bug 2715).
5010                 if (cmd.button() == mouse_button::button3
5011                     && &bvcur.selBegin().inset() == this
5012                     && bvcur.selIsMultiCell())
5013                         ;
5014                 else
5015                         // Let InsetTableCell do it
5016                         cell(cur.idx())->dispatch(cur, cmd);
5017                 break;
5018         }
5019         case LFUN_MOUSE_MOTION:
5020                 //lyxerr << "# InsetTabular::MouseMotion\n" << bvcur << endl;
5021                 if (cmd.button() == mouse_button::button1) {
5022                         // only accept motions to places not deeper nested than the real anchor
5023                         if (!bvcur.realAnchor().hasPart(cur)) {
5024                                 cur.undispatched();
5025                                 break;
5026                         }
5027                         // select (additional) row
5028                         if (rowselect_) {
5029                                 row_type r = rowFromY(cur, cmd.y());
5030                                 cur.idx() = tabular.getLastCellInRow(r);
5031                                 // we need to reset the cursor's pit and pos now, as the old ones
5032                                 // may no longer be valid.
5033                                 cur.pit() = 0;
5034                                 cur.pos() = 0;
5035                                 bvcur.setCursor(cur);
5036                                 bvcur.selection(true);
5037                                 break;
5038                         }
5039                         // select (additional) column
5040                         if (colselect_) {
5041                                 col_type c = columnFromX(cur, cmd.x());
5042                                 cur.idx() = tabular.cellIndex(tabular.nrows() - 1, c);
5043                                 // we need to reset the cursor's pit and pos now, as the old ones
5044                                 // may no longer be valid.
5045                                 cur.pit() = 0;
5046                                 cur.pos() = 0;
5047                                 bvcur.setCursor(cur);
5048                                 bvcur.selection(true);
5049                                 break;
5050                         }
5051                         // only update if selection changes
5052                         if (bvcur.idx() == cur.idx() &&
5053                                 !(bvcur.realAnchor().idx() == cur.idx() && bvcur.pos() != cur.pos()))
5054                                 cur.noScreenUpdate();
5055                         setCursorFromCoordinates(cur, cmd.x(), cmd.y());
5056                         bvcur.setCursor(cur);
5057                         bvcur.selection(true);
5058                         // if this is a multicell selection, we just set the cursor to
5059                         // the beginning of the cell's text.
5060                         if (bvcur.selIsMultiCell()) {
5061                                 bvcur.pit() = bvcur.lastpit();
5062                                 bvcur.pos() = bvcur.lastpos();
5063                         } else
5064                                 // Let InsetTableCell do it
5065                                 cell(cur.idx())->dispatch(cur, cmd);
5066                 }
5067                 break;
5068
5069         case LFUN_MOUSE_RELEASE:
5070                 rowselect_ = false;
5071                 colselect_ = false;
5072                 break;
5073
5074         case LFUN_CELL_BACKWARD:
5075                 movePrevCell(cur);
5076                 cur.selection(false);
5077                 break;
5078
5079         case LFUN_CELL_FORWARD:
5080                 moveNextCell(cur);
5081                 cur.selection(false);
5082                 break;
5083
5084         case LFUN_CHAR_FORWARD_SELECT:
5085         case LFUN_CHAR_FORWARD:
5086         case LFUN_CHAR_BACKWARD_SELECT:
5087         case LFUN_CHAR_BACKWARD:
5088         case LFUN_CHAR_RIGHT_SELECT:
5089         case LFUN_CHAR_RIGHT:
5090         case LFUN_CHAR_LEFT_SELECT:
5091         case LFUN_CHAR_LEFT:
5092         case LFUN_WORD_FORWARD:
5093         case LFUN_WORD_FORWARD_SELECT:
5094         case LFUN_WORD_BACKWARD:
5095         case LFUN_WORD_BACKWARD_SELECT:
5096         case LFUN_WORD_RIGHT:
5097         case LFUN_WORD_RIGHT_SELECT:
5098         case LFUN_WORD_LEFT:
5099         case LFUN_WORD_LEFT_SELECT: {
5100                 // determine whether we move to next or previous cell, where to enter
5101                 // the new cell from, and which command to "finish" (i.e., exit the
5102                 // inset) with:
5103                 bool next_cell;
5104                 EntryDirection entry_from = ENTRY_DIRECTION_IGNORE;
5105                 FuncCode finish_lfun;
5106
5107                 if (act == LFUN_CHAR_FORWARD
5108                                 || act == LFUN_CHAR_FORWARD_SELECT
5109                                 || act == LFUN_WORD_FORWARD
5110                                 || act == LFUN_WORD_FORWARD_SELECT) {
5111                         next_cell = true;
5112                         finish_lfun = LFUN_FINISHED_FORWARD;
5113                 }
5114                 else if (act == LFUN_CHAR_BACKWARD
5115                                 || act == LFUN_CHAR_BACKWARD_SELECT
5116                                 || act == LFUN_WORD_BACKWARD
5117                                 || act == LFUN_WORD_BACKWARD_SELECT) {
5118                         next_cell = false;
5119                         finish_lfun = LFUN_FINISHED_BACKWARD;
5120                 }
5121                 // LEFT or RIGHT commands --- the interpretation will depend on the
5122                 // table's direction.
5123                 else {
5124                         bool const right = act == LFUN_CHAR_RIGHT
5125                                 || act == LFUN_CHAR_RIGHT_SELECT
5126                                 || act == LFUN_WORD_RIGHT
5127                                 || act == LFUN_WORD_RIGHT_SELECT;
5128                         next_cell = isRightToLeft(cur) != right;
5129
5130                         if (lyxrc.visual_cursor)
5131                                 entry_from = right ? ENTRY_DIRECTION_LEFT:ENTRY_DIRECTION_RIGHT;
5132
5133                         finish_lfun = right ? LFUN_FINISHED_RIGHT : LFUN_FINISHED_LEFT;
5134                 }
5135
5136                 bool const select =     act == LFUN_CHAR_FORWARD_SELECT
5137                     || act == LFUN_CHAR_BACKWARD_SELECT
5138                     || act == LFUN_CHAR_RIGHT_SELECT
5139                     || act == LFUN_CHAR_LEFT_SELECT
5140                         || act == LFUN_WORD_FORWARD_SELECT
5141                         || act == LFUN_WORD_RIGHT_SELECT
5142                         || act == LFUN_WORD_BACKWARD_SELECT
5143                         || act == LFUN_WORD_LEFT_SELECT;
5144
5145                 // If we have a multicell selection or we're
5146                 // not doing some LFUN_*_SELECT thing anyway...
5147                 if (!cur.selIsMultiCell() || !select) {
5148                         col_type const c = tabular.cellColumn(cur.idx());
5149                         row_type const r = tabular.cellRow(cur.idx());
5150                         // Are we trying to select the whole cell and is the whole cell
5151                         // not yet selected?
5152                         bool const select_whole = select && !isCellSelected(cur, r, c) &&
5153                                 ((next_cell && cur.pit() == cur.lastpit()
5154                                 && cur.pos() == cur.lastpos())
5155                                 || (!next_cell && cur.pit() == 0 && cur.pos() == 0));
5156
5157                         bool const empty_cell = cur.lastpos() == 0 && cur.lastpit() == 0;
5158
5159                         // ...try to dispatch to the cell's inset.
5160                         cell(cur.idx())->dispatch(cur, cmd);
5161
5162                         // When we already have a selection we want to select the whole cell
5163                         // before going to the next cell.
5164                         if (select_whole && !empty_cell){
5165                                 getText(cur.idx())->selectAll(cur);
5166                                 cur.dispatched();
5167                                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5168                                 break;
5169                         }
5170
5171                         // FIXME: When we support the selection of an empty cell, remove
5172                         // the !empty_cell from this condition. For now we jump to the next
5173                         // cell if the current cell is empty.
5174                         if (cur.result().dispatched() && !empty_cell)
5175                                 break;
5176                 }
5177
5178                 // move to next/prev cell, as appropriate
5179                 // note that we will always do this if we're selecting and we have
5180                 // a multicell selection
5181                 LYXERR(Debug::RTL, "entering " << (next_cell ? "next" : "previous")
5182                         << " cell from: " << int(entry_from));
5183                 if (next_cell)
5184                         moveNextCell(cur, entry_from);
5185                 else
5186                         movePrevCell(cur, entry_from);
5187                 // if we're exiting the table, call the appropriate FINISHED lfun
5188                 if (sl == cur.top()) {
5189                         cmd = FuncRequest(finish_lfun);
5190                         cur.undispatched();
5191                 } else
5192                         cur.dispatched();
5193
5194                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5195                 break;
5196
5197         }
5198
5199         case LFUN_DOWN_SELECT:
5200         case LFUN_DOWN:
5201                 if (!(cur.selection() && cur.selIsMultiCell()))
5202                         cell(cur.idx())->dispatch(cur, cmd);
5203
5204                 cur.dispatched(); // override the cell's decision
5205                 if (sl == cur.top()) {
5206                         // if our Text didn't do anything to the cursor
5207                         // then we try to put the cursor into the cell below
5208                         // setting also the right targetX.
5209                         cur.selHandle(act == LFUN_DOWN_SELECT);
5210                         if (tabular.cellRow(cur.idx()) != tabular.nrows() - 1) {
5211                                 int const xtarget = cur.targetX();
5212                                 // WARNING: Once cur.idx() has been reset, the cursor is in
5213                                 // an inconsistent state until pos() has been set. Be careful
5214                                 // what you do with it!
5215                                 cur.idx() = tabular.cellBelow(cur.idx());
5216                                 cur.pit() = 0;
5217                                 TextMetrics const & tm =
5218                                         cur.bv().textMetrics(cell(cur.idx())->getText(0));
5219                                 cur.pos() = tm.x2pos(cur.pit(), 0, xtarget);
5220                                 cur.setCurrentFont();
5221                         }
5222                 }
5223                 if (sl == cur.top()) {
5224                         // we trick it to go to forward after leaving the
5225                         // tabular.
5226                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
5227                         cur.undispatched();
5228                 }
5229                 if (cur.selIsMultiCell()) {
5230                         cur.pit() = cur.lastpit();
5231                         cur.pos() = cur.lastpos();
5232                         cur.setCurrentFont();
5233                         cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5234                         return;
5235                 }
5236                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5237                 break;
5238
5239         case LFUN_UP_SELECT:
5240         case LFUN_UP:
5241                 if (!(cur.selection() && cur.selIsMultiCell()))
5242                         cell(cur.idx())->dispatch(cur, cmd);
5243                 cur.dispatched(); // override the cell's decision
5244                 if (sl == cur.top()) {
5245                         // if our Text didn't do anything to the cursor
5246                         // then we try to put the cursor into the cell above
5247                         // setting also the right targetX.
5248                         cur.selHandle(act == LFUN_UP_SELECT);
5249                         if (tabular.cellRow(cur.idx()) != 0) {
5250                                 int const xtarget = cur.targetX();
5251                                 // WARNING: Once cur.idx() has been reset, the cursor is in
5252                                 // an inconsistent state until pos() has been set. Be careful
5253                                 // what you do with it!
5254                                 cur.idx() = tabular.cellAbove(cur.idx());
5255                                 cur.pit() = cur.lastpit();
5256                                 Text const * text = cell(cur.idx())->getText(0);
5257                                 TextMetrics const & tm = cur.bv().textMetrics(text);
5258                                 ParagraphMetrics const & pm =
5259                                         tm.parMetrics(cur.lastpit());
5260                                 cur.pos() = tm.x2pos(cur.pit(), pm.rows().size()-1, xtarget);
5261                                 cur.setCurrentFont();
5262                         }
5263                 }
5264                 if (sl == cur.top()) {
5265                         cmd = FuncRequest(LFUN_UP);
5266                         cur.undispatched();
5267                 }
5268                 if (cur.selIsMultiCell()) {
5269                         cur.pit() = 0;
5270                         cur.pos() = cur.lastpos();
5271                         cur.setCurrentFont();
5272                         cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5273                         return;
5274                 }
5275                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5276                 break;
5277
5278         case LFUN_LAYOUT_TABULAR:
5279                 cur.bv().showDialog("tabular");
5280                 break;
5281
5282         case LFUN_INSET_MODIFY:
5283                 // we come from the dialog
5284                 if (cmd.getArg(0) == "tabular")
5285                         tabularFeatures(cur, cmd.getLongArg(1));
5286                 else
5287                         cur.undispatched();
5288                 break;
5289
5290         case LFUN_TABULAR_FEATURE:
5291                 tabularFeatures(cur, to_utf8(cmd.argument()));
5292                 break;
5293
5294         // insert file functions
5295         case LFUN_FILE_INSERT_PLAINTEXT_PARA:
5296         case LFUN_FILE_INSERT_PLAINTEXT:
5297                 // FIXME UNICODE
5298                 if (FileName::isAbsolute(to_utf8(cmd.argument()))) {
5299                         docstring const tmpstr = cur.bv().contentsOfPlaintextFile(
5300                                 FileName(to_utf8(cmd.argument())));
5301                         if (tmpstr.empty())
5302                                 break;
5303                         cur.recordUndoInset();
5304                         if (insertPlaintextString(cur.bv(), tmpstr, false)) {
5305                                 // content has been replaced,
5306                                 // so cursor might be invalid
5307                                 cur.pos() = cur.lastpos();
5308                                 cur.pit() = cur.lastpit();
5309                                 bvcur.setCursor(cur);
5310                         } else
5311                                 cur.undispatched();
5312                 }
5313                 break;
5314
5315         case LFUN_COPY:
5316                 if (cur.selIsMultiCell())
5317                         copySelection(cur);
5318                 else
5319                         cell(cur.idx())->dispatch(cur, cmd);
5320                 break;
5321
5322         case LFUN_CUT:
5323                 if (cur.selIsMultiCell()) {
5324                         if (copySelection(cur)) {
5325                                 cur.recordUndoInset();
5326                                 cutSelection(cur);
5327                         }
5328                 } else
5329                         cell(cur.idx())->dispatch(cur, cmd);
5330                 break;
5331
5332         case LFUN_SELF_INSERT:
5333                 if (cur.selIsMultiCell()) {
5334                         cur.recordUndoInset();
5335                         cutSelection(cur);
5336                         BufferView * bv = &cur.bv();
5337                         docstring::const_iterator cit = cmd.argument().begin();
5338                         docstring::const_iterator const end = cmd.argument().end();
5339                         for (; cit != end; ++cit)
5340                                 bv->translateAndInsert(*cit, getText(cur.idx()), cur);
5341
5342                         cur.resetAnchor();
5343                         bv->bookmarkEditPosition();
5344                 } else
5345                         cell(cur.idx())->dispatch(cur, cmd);
5346                 break;
5347
5348         case LFUN_CHAR_DELETE_BACKWARD:
5349         case LFUN_CHAR_DELETE_FORWARD:
5350                 if (cur.selIsMultiCell()) {
5351                         cur.recordUndoInset();
5352                         cutSelection(cur);
5353                 } else
5354                         cell(cur.idx())->dispatch(cur, cmd);
5355                 break;
5356
5357         case LFUN_CLIPBOARD_PASTE:
5358         case LFUN_PRIMARY_SELECTION_PASTE: {
5359                 docstring const clip = (act == LFUN_CLIPBOARD_PASTE) ?
5360                         theClipboard().getAsText(Clipboard::PlainTextType) :
5361                         theSelection().get();
5362                 if (clip.empty())
5363                         break;
5364                 // pass to InsertPlaintextString, but
5365                 // only if we have multi-cell content
5366                 if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
5367                         cur.recordUndoInset();
5368                         if (insertPlaintextString(cur.bv(), clip, false)) {
5369                                 // content has been replaced,
5370                                 // so cursor might be invalid
5371                                 cur.fixIfBroken();
5372                                 bvcur.setCursor(cur);
5373                                 break;
5374                         }
5375                 }
5376                 // Let the cell handle normal text
5377                 cell(cur.idx())->dispatch(cur, cmd);
5378                 break;
5379         }
5380
5381         case LFUN_PASTE:
5382                 if (!tabularStackDirty()) {
5383                         // Check if we have plain text or HTML with rows/columns.
5384                         // and if so, pass over to LFUN_CLIPBOARD_PASTE
5385                         if (theClipboard().hasTextContents(Clipboard::AnyTextType)
5386                             && !theClipboard().hasTextContents(Clipboard::LyXTextType)) {
5387                                 docstring const clip =
5388                                         theClipboard().getAsText(Clipboard::AnyTextType);
5389                                 if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
5390                                         FuncRequest ncmd = FuncRequest(LFUN_CLIPBOARD_PASTE, cmd.argument());
5391                                         doDispatch(cur, ncmd);
5392                                         break;
5393                                 }
5394                         }
5395                         else if (!theClipboard().isInternal()
5396                                  && theClipboard().hasTextContents(Clipboard::LyXTextType)) {
5397                                 // This might be tabular data from another LyX instance. Check!
5398                                 docstring const clip =
5399                                         theClipboard().getAsText(Clipboard::PlainTextType);
5400                                 if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
5401                                         FuncRequest ncmd = FuncRequest(LFUN_CLIPBOARD_PASTE, cmd.argument());
5402                                         doDispatch(cur, ncmd);
5403                                         break;
5404                                 }
5405                         }
5406                         if (!cur.selIsMultiCell())
5407                                 cell(cur.idx())->dispatch(cur, cmd);
5408                         break;
5409                 }
5410                 if (theClipboard().isInternal()) {
5411                         cur.recordUndoInset();
5412                         pasteClipboard(cur);
5413                 }
5414                 break;
5415
5416         case LFUN_CHANGE_ACCEPT:
5417         case LFUN_CHANGE_REJECT:
5418         case LFUN_FONT_DEFAULT:
5419         case LFUN_FONT_EMPH:
5420         case LFUN_FONT_BOLD:
5421         case LFUN_FONT_BOLDSYMBOL:
5422         case LFUN_FONT_ROMAN:
5423         case LFUN_FONT_NOUN:
5424         case LFUN_FONT_ITAL:
5425         case LFUN_FONT_FRAK:
5426         case LFUN_FONT_TYPEWRITER:
5427         case LFUN_FONT_SANS:
5428         case LFUN_TEXTSTYLE_APPLY:
5429         case LFUN_TEXTSTYLE_UPDATE:
5430         case LFUN_FONT_SIZE:
5431         case LFUN_FONT_UNDERLINE:
5432         case LFUN_FONT_STRIKEOUT:
5433         case LFUN_FONT_CROSSOUT:
5434         case LFUN_FONT_UNDERUNDERLINE:
5435         case LFUN_FONT_UNDERWAVE:
5436         case LFUN_LANGUAGE:
5437         case LFUN_PARAGRAPH_PARAMS_APPLY:
5438         case LFUN_PARAGRAPH_PARAMS:
5439         case LFUN_WORD_CAPITALIZE:
5440         case LFUN_WORD_UPCASE:
5441         case LFUN_WORD_LOWCASE:
5442         case LFUN_CHARS_TRANSPOSE: {
5443                 bool const ct = (act == LFUN_CHANGE_ACCEPT || act == LFUN_CHANGE_REJECT);
5444                 if (cur.selIsMultiCell()) {
5445                         row_type rs, re;
5446                         col_type cs, ce;
5447                         getSelection(cur, rs, re, cs, ce);
5448                         Cursor tmpcur = cur;
5449                         for (row_type r = rs; r <= re; ++r) {
5450                                 if (ct && cs == 0 && ce == tabular.ncols() - 1) {
5451                                         // whole row selected
5452                                         if (act == LFUN_CHANGE_ACCEPT) {
5453                                                 if (tabular.row_info[r].change.inserted())
5454                                                         tabular.row_info[r].change.setUnchanged();
5455                                                 else if (tabular.row_info[r].change.deleted()) {
5456                                                         tabular.deleteRow(r, true);
5457                                                         --re;
5458                                                         continue;
5459                                                 }
5460                                         } else {
5461                                                 if (tabular.row_info[r].change.deleted())
5462                                                         tabular.row_info[r].change.setUnchanged();
5463                                                 else if (tabular.row_info[r].change.inserted()) {
5464                                                         tabular.deleteRow(r, true);
5465                                                         --re;
5466                                                         continue;
5467                                                 }
5468                                         }
5469                                 }
5470                                 for (col_type c = cs; c <= ce; ++c) {
5471                                         if (ct && rs == 0 && re == tabular.nrows() - 1) {
5472                                                 // whole col selected
5473                                                 if (act == LFUN_CHANGE_ACCEPT) {
5474                                                         if (tabular.column_info[c].change.inserted())
5475                                                                 tabular.column_info[c].change.setUnchanged();
5476                                                         else if (tabular.column_info[c].change.deleted()) {
5477                                                                 tabular.deleteColumn(c, true);
5478                                                                 --ce;
5479                                                                 continue;
5480                                                         }
5481                                                 } else {
5482                                                         if (tabular.column_info[c].change.deleted())
5483                                                                 tabular.column_info[c].change.setUnchanged();
5484                                                         else if (tabular.column_info[c].change.inserted()) {
5485                                                                 tabular.deleteColumn(c, true);
5486                                                                 --ce;
5487                                                                 continue;
5488                                                         }
5489                                                 }
5490                                         }
5491                                         // cursor follows cell:
5492                                         tmpcur.idx() = tabular.cellIndex(r, c);
5493                                         // select this cell only:
5494                                         tmpcur.pit() = 0;
5495                                         tmpcur.pos() = 0;
5496                                         tmpcur.resetAnchor();
5497                                         tmpcur.pit() = tmpcur.lastpit();
5498                                         tmpcur.pos() = tmpcur.top().lastpos();
5499                                         tmpcur.setCursor(tmpcur);
5500                                         tmpcur.setSelection();
5501                                         cell(tmpcur.idx())->dispatch(tmpcur, cmd);
5502                                 }
5503                         }
5504                         if (ct) {
5505                                 tabular.updateIndexes();
5506                                 // cursor might be invalid
5507                                 cur.fixIfBroken();
5508                                 // change bar might need to be redrawn
5509                                 cur.screenUpdateFlags(Update::Force);
5510                                 cur.forceBufferUpdate();
5511                         }
5512                         break;
5513                 } else {
5514                         cell(cur.idx())->dispatch(cur, cmd);
5515                         break;
5516                 }
5517         }
5518
5519         case LFUN_CHANGE_NEXT:
5520         case LFUN_CHANGE_PREVIOUS: {
5521                 // BufferView::dispatch has already moved the cursor, we just
5522                 // need to select here if we have a changed row or column
5523                 if (tabular.row_info[tabular.cellRow(cur.idx())].change.changed()) {
5524                         // select row
5525                         cur.idx() = tabular.getFirstCellInRow(tabular.cellRow(cur.idx()));
5526                         cur.pit() = 0;
5527                         cur.pos() = 0;
5528                         cur.resetAnchor();
5529                         cur.idx() = tabular.getLastCellInRow(tabular.cellRow(cur.idx()));
5530                         cur.pit() = cur.lastpit();
5531                         cur.pos() = cur.lastpos();
5532                         cur.selection(true);
5533                         bvcur = cur;
5534                         rowselect_ = true;
5535                 }
5536                 else if (tabular.column_info[tabular.cellColumn(cur.idx())].change.changed()) {
5537                         // select column
5538                         cur.idx() = tabular.cellIndex(0, tabular.cellColumn(cur.idx()));
5539                         cur.pit() = 0;
5540                         cur.pos() = 0;
5541                         cur.resetAnchor();
5542                         cur.idx() = tabular.cellIndex(tabular.nrows() - 1, tabular.cellColumn(cur.idx()));
5543                         cur.pit() = cur.lastpit();
5544                         cur.pos() = cur.lastpos();
5545                         cur.selection(true);
5546                         bvcur = cur;
5547                         colselect_ = true;
5548                 }
5549                 break;
5550         }
5551
5552         case LFUN_INSET_SETTINGS:
5553                 // relay this lfun to Inset, not to the cell.
5554                 Inset::doDispatch(cur, cmd);
5555                 break;
5556
5557         default:
5558                 // we try to handle this event in the insets dispatch function.
5559                 cell(cur.idx())->dispatch(cur, cmd);
5560                 break;
5561         }
5562 }
5563
5564
5565 bool InsetTabular::getFeatureStatus(Cursor & cur, string const & s,
5566                       string const & argument, FuncStatus & status) const
5567 {
5568
5569                 int action = Tabular::LAST_ACTION;
5570                 int i = 0;
5571                 for (; tabularFeature[i].action != Tabular::LAST_ACTION; ++i) {
5572                         if (tabularFeature[i].feature == s) {
5573                                 action = tabularFeature[i].action;
5574                                 break;
5575                         }
5576                 }
5577                 if (action == Tabular::LAST_ACTION) {
5578                         status.clear();
5579                         status.setUnknown(true);
5580                         return true;
5581                 }
5582
5583                 row_type sel_row_start = 0;
5584                 row_type sel_row_end = 0;
5585                 col_type sel_col_start = 0;
5586                 col_type sel_col_end = 0;
5587                 Tabular::ltType dummyltt;
5588                 bool flag = true;
5589
5590                 getSelection(cur, sel_row_start, sel_row_end, sel_col_start, sel_col_end);
5591
5592                 switch (action) {
5593                 case Tabular::SET_PWIDTH:
5594                 case Tabular::SET_MPWIDTH:
5595                 case Tabular::TOGGLE_VARWIDTH_COLUMN:
5596                 case Tabular::SET_SPECIAL_COLUMN:
5597                 case Tabular::SET_SPECIAL_MULTICOLUMN:
5598                 case Tabular::APPEND_ROW:
5599                 case Tabular::APPEND_COLUMN:
5600                 case Tabular::COPY_ROW:
5601                 case Tabular::COPY_COLUMN:
5602                 case Tabular::SET_TOP_SPACE:
5603                 case Tabular::SET_BOTTOM_SPACE:
5604                 case Tabular::SET_INTERLINE_SPACE:
5605                         status.clear();
5606                         return true;
5607
5608                 case Tabular::DELETE_ROW:
5609                         status.setEnabled(tabular.nrows() > 1);
5610                         break;
5611                 case Tabular::DELETE_COLUMN:
5612                         status.setEnabled(tabular.ncols() > 1);
5613                         break;
5614
5615                 case Tabular::SET_TABULAR_WIDTH:
5616                         status.setEnabled(!tabular.rotate
5617                                 && tabular.tabular_valignment == Tabular::LYX_VALIGN_MIDDLE);
5618                         break;
5619
5620                 case Tabular::MOVE_COLUMN_RIGHT:
5621                 case Tabular::MOVE_COLUMN_LEFT:
5622                 case Tabular::MOVE_ROW_DOWN:
5623                 case Tabular::MOVE_ROW_UP: {
5624                         row_type rs, re;
5625                         col_type cs, ce;
5626                         if (cur.selIsMultiCell())
5627                                 getSelection(cur, rs, re, cs, ce);
5628                         else {
5629                                 rs = tabular.cellRow(cur.idx());
5630                                 re = rs;
5631                                 cs = tabular.cellColumn(cur.idx());
5632                                 ce = cs;
5633                         }
5634                         if ((action == Tabular::MOVE_COLUMN_RIGHT
5635                              && tabular.ncols() == ce + 1)
5636                             || (action == Tabular::MOVE_COLUMN_LEFT && cs == 0)
5637                             || (action == Tabular::MOVE_ROW_DOWN
5638                                 && tabular.nrows() == re + 1)
5639                             || (action == Tabular::MOVE_ROW_UP && rs == 0)) {
5640                                         status.setEnabled(false);
5641                                         break;
5642                         }
5643
5644                         if (action == Tabular::MOVE_COLUMN_RIGHT
5645                             || action == Tabular::MOVE_COLUMN_LEFT) {
5646                                 bool has_multicol = (action == Tabular::MOVE_COLUMN_RIGHT)
5647                                                 ? tabular.hasMultiColumn(ce + 1)
5648                                                 : tabular.hasMultiColumn(cs - 1);
5649                                 for (col_type c = cs; c <= ce; ++c) {
5650                                         if (tabular.hasMultiColumn(c)) {
5651                                                 has_multicol = true;
5652                                                 break;
5653                                         }
5654                                 }
5655                                 if (has_multicol) {
5656                                         status.message(_("Column movement not supported with multi-columns."));
5657                                         status.setEnabled(false);
5658                                         break;
5659                                 }
5660                         }
5661
5662                         if (action == Tabular::MOVE_ROW_DOWN
5663                             || action == Tabular::MOVE_ROW_UP) {
5664                                 bool has_multirow = (action == Tabular::MOVE_ROW_DOWN)
5665                                                 ? tabular.hasMultiRow(re + 1)
5666                                                 : tabular.hasMultiRow(rs - 1);
5667                                 for (row_type r = rs; r <= re; ++r) {
5668                                         if (tabular.hasMultiRow(r)) {
5669                                                 has_multirow = true;
5670                                                 break;
5671                                         }
5672                                 }
5673                                 if (has_multirow) {
5674                                         status.message(_("Row movement not supported with multi-rows."));
5675                                         status.setEnabled(false);
5676                                         break;
5677                                 }
5678                         }
5679
5680                         status.setEnabled(true);
5681                         break;
5682                 }
5683
5684                 case Tabular::SET_DECIMAL_POINT:
5685                         status.setEnabled(
5686                                 tabular.getAlignment(cur.idx()) == LYX_ALIGN_DECIMAL);
5687                         break;
5688
5689                 case Tabular::SET_MULTICOLUMN:
5690                 case Tabular::UNSET_MULTICOLUMN:
5691                 case Tabular::MULTICOLUMN:
5692                         // If a row is set as longtable caption, it must not be allowed
5693                         // to unset that this row is a multicolumn.
5694                         status.setEnabled(sel_row_start == sel_row_end
5695                                 && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5696                         status.setOnOff(tabular.isMultiColumn(cur.idx()));
5697                         break;
5698
5699                 case Tabular::SET_MULTIROW:
5700                 case Tabular::UNSET_MULTIROW:
5701                 case Tabular::MULTIROW:
5702                         // If a row is set as longtable caption, it must not be allowed
5703                         // to unset that this row is a multirow.
5704                         status.setEnabled(sel_col_start == sel_col_end
5705                                 && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5706                         status.setOnOff(tabular.isMultiRow(cur.idx()));
5707                         break;
5708
5709                 case Tabular::TOGGLE_INNER_LINES:
5710                         status.setOnOff(tabular.innerBorders(sel_row_start, sel_row_end,
5711                                                                                                  sel_col_start, sel_col_end));
5712                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5713                         break;
5714                 case Tabular::TOGGLE_ALL_LINES:
5715                         status.setOnOff(tabular.innerBorders(sel_row_start, sel_row_end,
5716                                                                                                  sel_col_start, sel_col_end)
5717                                                 && tabular.outsideBorders(sel_row_start, sel_row_end,
5718                                                                                                   sel_col_start, sel_col_end));
5719                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5720                         break;
5721                 case Tabular::SET_ALL_LINES:
5722                 case Tabular::UNSET_ALL_LINES:
5723                 case Tabular::SET_INNER_LINES:
5724                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5725                         break;
5726
5727                 case Tabular::TOGGLE_BORDER_LINES:
5728                         status.setOnOff(tabular.outsideBorders(sel_row_start, sel_row_end,
5729                                                                                                    sel_col_start, sel_col_end));
5730                         // fall through
5731                 case Tabular::SET_BORDER_LINES:
5732                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5733                         break;
5734
5735                 case Tabular::RESET_FORMAL_DEFAULT:
5736                         status.setEnabled(tabular.use_booktabs);
5737                         break;
5738
5739                 case Tabular::SET_LINE_TOP:
5740                 case Tabular::SET_LINE_BOTTOM:
5741                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5742                         break;
5743
5744                 case Tabular::SET_LINE_LEFT:
5745                 case Tabular::SET_LINE_RIGHT:
5746                         status.setEnabled(!tabular.use_booktabs
5747                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5748                         break;
5749
5750                 case Tabular::SET_LTRIM_TOP:
5751                 case Tabular::SET_RTRIM_TOP:
5752                         status.setEnabled(tabular.use_booktabs
5753                                           && tabular.cellRow(cur.idx()) != 0
5754                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5755                         break;
5756
5757                 case Tabular::SET_LTRIM_BOTTOM:
5758                 case Tabular::SET_RTRIM_BOTTOM:
5759                         status.setEnabled(tabular.use_booktabs
5760                                           && tabular.cellRow(cur.idx()) != tabular.nrows() - 1
5761                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5762                         break;
5763
5764                 case Tabular::TOGGLE_LINE_TOP:
5765                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5766                         status.setOnOff(tabular.topLine(cur.idx()));
5767                         break;
5768
5769                 case Tabular::TOGGLE_LINE_BOTTOM:
5770                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5771                         status.setOnOff(tabular.bottomLine(cur.idx()));
5772                         break;
5773
5774                 case Tabular::TOGGLE_LINE_LEFT:
5775                         status.setEnabled(!tabular.use_booktabs
5776                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5777                         status.setOnOff(tabular.leftLine(cur.idx()));
5778                         break;
5779
5780                 case Tabular::TOGGLE_LINE_RIGHT:
5781                         status.setEnabled(!tabular.use_booktabs
5782                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5783                         status.setOnOff(tabular.rightLine(cur.idx()));
5784                         break;
5785
5786                 case Tabular::TOGGLE_LTRIM_TOP:
5787                         status.setEnabled(tabular.use_booktabs
5788                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5789                         status.setOnOff(tabular.topLineTrim(cur.idx()).first);
5790                         break;
5791
5792                 case Tabular::TOGGLE_RTRIM_TOP:
5793                         status.setEnabled(tabular.use_booktabs
5794                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5795                         status.setOnOff(tabular.topLineTrim(cur.idx()).second);
5796                         break;
5797
5798                 case Tabular::TOGGLE_LTRIM_BOTTOM:
5799                         status.setEnabled(tabular.use_booktabs
5800                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5801                         status.setOnOff(tabular.bottomLineTrim(cur.idx()).first);
5802                         break;
5803
5804                 case Tabular::TOGGLE_RTRIM_BOTTOM:
5805                         status.setEnabled(tabular.use_booktabs
5806                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5807                         status.setOnOff(tabular.bottomLineTrim(cur.idx()).second);
5808                         break;
5809
5810                 // multirow cells only inherit the alignment of the column if the column has
5811                 // no width, otherwise they are left-aligned
5812                 // therefore allow always left but right and center only if there is no width
5813                 case Tabular::M_ALIGN_LEFT:
5814                         flag = false;
5815                         // fall through
5816                 case Tabular::ALIGN_LEFT:
5817                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_LEFT);
5818                         break;
5819
5820                 case Tabular::M_ALIGN_RIGHT:
5821                         flag = false;
5822                         // fall through
5823                 case Tabular::ALIGN_RIGHT:
5824                         status.setEnabled(!(tabular.isMultiRow(cur.idx())
5825                                 && !tabular.getPWidth(cur.idx()).zero()));
5826                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_RIGHT);
5827                         break;
5828
5829                 case Tabular::M_ALIGN_CENTER:
5830                         flag = false;
5831                         // fall through
5832                 case Tabular::ALIGN_CENTER:
5833                         status.setEnabled(!(tabular.isMultiRow(cur.idx())
5834                                 && !tabular.getPWidth(cur.idx()).zero()));
5835                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_CENTER);
5836                         break;
5837
5838                 case Tabular::ALIGN_BLOCK:
5839                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
5840                                 && !tabular.isMultiRow(cur.idx()));
5841                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_BLOCK);
5842                         break;
5843
5844                 case Tabular::ALIGN_DECIMAL:
5845                         status.setEnabled(!tabular.isMultiRow(cur.idx())
5846                                 && !tabular.isMultiColumn(cur.idx()));
5847                         status.setOnOff(tabular.getAlignment(cur.idx(), true) == LYX_ALIGN_DECIMAL);
5848                         break;
5849
5850                 case Tabular::M_VALIGN_TOP:
5851                         flag = false;
5852                         // fall through
5853                 case Tabular::VALIGN_TOP:
5854                         status.setEnabled((!tabular.getPWidth(cur.idx()).zero()
5855                                            || tabular.getUsebox(cur.idx()) == Tabular::BOX_VARWIDTH));
5856                         status.setOnOff(
5857                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_TOP);
5858                         break;
5859
5860                 case Tabular::M_VALIGN_BOTTOM:
5861                         flag = false;
5862                         // fall through
5863                 case Tabular::VALIGN_BOTTOM:
5864                         status.setEnabled((!tabular.getPWidth(cur.idx()).zero()
5865                                            || tabular.getUsebox(cur.idx()) == Tabular::BOX_VARWIDTH));
5866                         status.setOnOff(
5867                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_BOTTOM);
5868                         break;
5869
5870                 case Tabular::M_VALIGN_MIDDLE:
5871                         flag = false;
5872                         // fall through
5873                 case Tabular::VALIGN_MIDDLE:
5874                         status.setEnabled((!tabular.getPWidth(cur.idx()).zero()
5875                                            || tabular.getUsebox(cur.idx()) == Tabular::BOX_VARWIDTH));
5876                         status.setOnOff(
5877                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_MIDDLE);
5878                         break;
5879
5880                 case Tabular::SET_LONGTABULAR:
5881                 case Tabular::TOGGLE_LONGTABULAR:
5882                         // setting as longtable is not allowed when table is inside a float
5883                         if (cur.innerInsetOfType(FLOAT_CODE) != nullptr
5884                                 || cur.innerInsetOfType(WRAP_CODE) != nullptr)
5885                                 status.setEnabled(false);
5886                         else
5887                                 status.setEnabled(true);
5888                         status.setOnOff(tabular.is_long_tabular);
5889                         break;
5890
5891                 case Tabular::UNSET_LONGTABULAR:
5892                         status.setOnOff(!tabular.is_long_tabular);
5893                         break;
5894
5895                 case Tabular::TOGGLE_ROTATE_TABULAR:
5896                 case Tabular::SET_ROTATE_TABULAR:
5897                         status.setOnOff(tabular.rotate != 0);
5898                         break;
5899
5900                 case Tabular::TABULAR_VALIGN_TOP:
5901                         status.setEnabled(tabular.tabular_width.zero());
5902                         status.setOnOff(tabular.tabular_valignment
5903                                 == Tabular::LYX_VALIGN_TOP);
5904                         break;
5905                 case Tabular::TABULAR_VALIGN_MIDDLE:
5906                         status.setEnabled(tabular.tabular_width.zero());
5907                         status.setOnOff(tabular.tabular_valignment
5908                                 == Tabular::LYX_VALIGN_MIDDLE);
5909                         break;
5910                 case Tabular::TABULAR_VALIGN_BOTTOM:
5911                         status.setEnabled(tabular.tabular_width.zero());
5912                         status.setOnOff(tabular.tabular_valignment
5913                                 == Tabular::LYX_VALIGN_BOTTOM);
5914                         break;
5915
5916                 case Tabular::LONGTABULAR_ALIGN_LEFT:
5917                         status.setOnOff(tabular.longtabular_alignment
5918                                 == Tabular::LYX_LONGTABULAR_ALIGN_LEFT);
5919                         break;
5920                 case Tabular::LONGTABULAR_ALIGN_CENTER:
5921                         status.setOnOff(tabular.longtabular_alignment
5922                                 == Tabular::LYX_LONGTABULAR_ALIGN_CENTER);
5923                         break;
5924                 case Tabular::LONGTABULAR_ALIGN_RIGHT:
5925                         status.setOnOff(tabular.longtabular_alignment
5926                                 == Tabular::LYX_LONGTABULAR_ALIGN_RIGHT);
5927                         break;
5928
5929                 case Tabular::UNSET_ROTATE_TABULAR:
5930                         status.setOnOff(tabular.rotate == 0);
5931                         break;
5932
5933                 case Tabular::TOGGLE_ROTATE_CELL:
5934                 case Tabular::SET_ROTATE_CELL:
5935                         status.setOnOff(!oneCellHasRotationState(false,
5936                                 sel_row_start, sel_row_end, sel_col_start, sel_col_end));
5937                         break;
5938
5939                 case Tabular::UNSET_ROTATE_CELL:
5940                         status.setOnOff(!oneCellHasRotationState(true,
5941                                 sel_row_start, sel_row_end, sel_col_start, sel_col_end));
5942                         break;
5943
5944                 case Tabular::SET_USEBOX:
5945                         status.setOnOff(convert<int>(argument) == tabular.getUsebox(cur.idx()));
5946                         break;
5947
5948                 // every row can only be one thing:
5949                 // either a footer or header
5950                 case Tabular::SET_LTFIRSTHEAD:
5951                         status.setEnabled(sel_row_start == sel_row_end);
5952                         status.setOnOff(tabular.getRowOfLTFirstHead(sel_row_start, dummyltt));
5953                         break;
5954
5955                 case Tabular::UNSET_LTFIRSTHEAD:
5956                         status.setEnabled(sel_row_start == sel_row_end);
5957                         status.setOnOff(!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt));
5958                         break;
5959
5960                 case Tabular::SET_LTHEAD:
5961                         status.setEnabled(sel_row_start == sel_row_end);
5962                         status.setOnOff(tabular.getRowOfLTHead(sel_row_start, dummyltt));
5963                         break;
5964
5965                 case Tabular::UNSET_LTHEAD:
5966                         status.setEnabled(sel_row_start == sel_row_end);
5967                         status.setOnOff(!tabular.getRowOfLTHead(sel_row_start, dummyltt));
5968                         break;
5969
5970                 case Tabular::SET_LTFOOT:
5971                         status.setEnabled(sel_row_start == sel_row_end);
5972                         status.setOnOff(tabular.getRowOfLTFoot(sel_row_start, dummyltt));
5973                         break;
5974
5975                 case Tabular::UNSET_LTFOOT:
5976                         status.setEnabled(sel_row_start == sel_row_end);
5977                         status.setOnOff(!tabular.getRowOfLTFoot(sel_row_start, dummyltt));
5978                         break;
5979
5980                 case Tabular::SET_LTLASTFOOT:
5981                         status.setEnabled(sel_row_start == sel_row_end);
5982                         status.setOnOff(tabular.getRowOfLTLastFoot(sel_row_start, dummyltt));
5983                         break;
5984
5985                 case Tabular::UNSET_LTLASTFOOT:
5986                         status.setEnabled(sel_row_start == sel_row_end);
5987                         status.setOnOff(!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt));
5988                         break;
5989
5990                 case Tabular::SET_LTNEWPAGE:
5991                         status.setOnOff(tabular.getLTNewPage(sel_row_start));
5992                         break;
5993                 case Tabular::UNSET_LTNEWPAGE:
5994                         status.setOnOff(!tabular.getLTNewPage(sel_row_start));
5995                         break;
5996
5997                 // only one row in head/firsthead/foot/lasthead can be the caption
5998                 // and a multirow cannot be set as caption
5999                 case Tabular::SET_LTCAPTION:
6000                         status.setEnabled(sel_row_start == sel_row_end
6001                                 && (!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt)
6002                                  || !tabular.haveLTCaption(Tabular::CAPTION_FIRSTHEAD))
6003                                 && (!tabular.getRowOfLTHead(sel_row_start, dummyltt)
6004                                  || !tabular.haveLTCaption(Tabular::CAPTION_HEAD))
6005                                 && (!tabular.getRowOfLTFoot(sel_row_start, dummyltt)
6006                                  || !tabular.haveLTCaption(Tabular::CAPTION_FOOT))
6007                                 && (!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt)
6008                                  || !tabular.haveLTCaption(Tabular::CAPTION_LASTFOOT))
6009                                 && !tabular.isMultiRow(sel_row_start));
6010                         status.setOnOff(tabular.ltCaption(sel_row_start));
6011                         break;
6012
6013                 case Tabular::UNSET_LTCAPTION:
6014                         status.setEnabled(sel_row_start == sel_row_end && tabular.ltCaption(sel_row_start));
6015                         break;
6016
6017                 case Tabular::TOGGLE_LTCAPTION:
6018                         status.setEnabled(sel_row_start == sel_row_end && (tabular.ltCaption(sel_row_start)
6019                                 || ((!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt)
6020                                   || !tabular.haveLTCaption(Tabular::CAPTION_FIRSTHEAD))
6021                                  && (!tabular.getRowOfLTHead(sel_row_start, dummyltt)
6022                                   || !tabular.haveLTCaption(Tabular::CAPTION_HEAD))
6023                                  && (!tabular.getRowOfLTFoot(sel_row_start, dummyltt)
6024                                   || !tabular.haveLTCaption(Tabular::CAPTION_FOOT))
6025                                  && (!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt)
6026                                   || !tabular.haveLTCaption(Tabular::CAPTION_LASTFOOT)))));
6027                         status.setOnOff(tabular.ltCaption(sel_row_start));
6028                         break;
6029
6030                 case Tabular::TOGGLE_BOOKTABS:
6031                 case Tabular::SET_BOOKTABS:
6032                         status.setOnOff(tabular.use_booktabs);
6033                         break;
6034
6035                 case Tabular::UNSET_BOOKTABS:
6036                         status.setOnOff(!tabular.use_booktabs);
6037                         break;
6038
6039                 default:
6040                         status.clear();
6041                         status.setEnabled(false);
6042                         break;
6043                 }
6044                 return true;
6045 }
6046
6047
6048 // function sets an object as defined in FuncStatus.h:
6049 // states OK, Unknown, Disabled, On, Off.
6050 bool InsetTabular::getStatus(Cursor & cur, FuncRequest const & cmd,
6051                              FuncStatus & status) const
6052 {
6053         switch (cmd.action()) {
6054         case LFUN_INSET_MODIFY:
6055                 if (cmd.getArg(0) != "tabular")
6056                         break;
6057                 if (cmd.getArg(1) == "for-dialog") {
6058                         // The dialog is asking the status of a command
6059                         if (&cur.inset() != this)
6060                                 break;
6061                         string action = cmd.getArg(2);
6062                         string arg = cmd.getLongArg(3);
6063                         return getFeatureStatus(cur, action, arg, status);
6064                 } else {
6065                         // We always enable the lfun if it is coming from the dialog
6066                         // because the dialog makes sure all the settings are valid,
6067                         // even though the first argument might not be valid now.
6068                         status.setEnabled(true);
6069                         return true;
6070                 }
6071
6072         case LFUN_TABULAR_FEATURE: {
6073                 if (&cur.inset() != this)
6074                         break;
6075                 string action = cmd.getArg(0);
6076                 string arg = cmd.getLongArg(1);
6077                 return getFeatureStatus(cur, action, arg, status);
6078         }
6079
6080         case LFUN_CAPTION_INSERT: {
6081                 // caption is only allowed in caption cell of longtable
6082                 if (!tabular.ltCaption(tabular.cellRow(cur.idx()))) {
6083                         status.setEnabled(false);
6084                         return true;
6085                 }
6086                 // only standard caption is allowed
6087                 string arg = cmd.getArg(0);
6088                 if (!arg.empty() && arg != "Standard") {
6089                         status.setEnabled(false);
6090                         return true;
6091                 }
6092                 // check if there is already a caption
6093                 bool have_caption = false;
6094                 InsetTableCell itc = *tabular.cellInset(cur.idx());
6095                 ParagraphList::const_iterator pit = itc.paragraphs().begin();
6096                 ParagraphList::const_iterator pend = itc.paragraphs().end();
6097                 for (; pit != pend; ++pit) {
6098                         InsetList::const_iterator it  = pit->insetList().begin();
6099                         InsetList::const_iterator end = pit->insetList().end();
6100                         for (; it != end; ++it) {
6101                                 if (it->inset->lyxCode() == CAPTION_CODE) {
6102                                         have_caption = true;
6103                                         break;
6104                                 }
6105                         }
6106                 }
6107                 status.setEnabled(!have_caption);
6108                 return true;
6109         }
6110
6111         // These are only enabled inside tabular
6112         case LFUN_CELL_BACKWARD:
6113         case LFUN_CELL_FORWARD:
6114                 status.setEnabled(true);
6115                 return true;
6116
6117         // disable these with multiple cells selected
6118         case LFUN_INSET_INSERT:
6119         case LFUN_TABULAR_INSERT:
6120         case LFUN_TABULAR_STYLE_INSERT:
6121         case LFUN_FLEX_INSERT:
6122         case LFUN_FLOAT_INSERT:
6123         case LFUN_FLOAT_WIDE_INSERT:
6124         case LFUN_FOOTNOTE_INSERT:
6125         case LFUN_MARGINALNOTE_INSERT:
6126         case LFUN_MATH_INSERT:
6127         case LFUN_MATH_MODE:
6128         case LFUN_MATH_MUTATE:
6129         case LFUN_MATH_DISPLAY:
6130         case LFUN_NOTE_INSERT:
6131         case LFUN_ARGUMENT_INSERT:
6132         case LFUN_BOX_INSERT:
6133         case LFUN_BRANCH_INSERT:
6134         case LFUN_PHANTOM_INSERT:
6135         case LFUN_WRAP_INSERT:
6136         case LFUN_PREVIEW_INSERT:
6137         case LFUN_ERT_INSERT: {
6138                 if (cur.selIsMultiCell()) {
6139                         status.setEnabled(false);
6140                         return true;
6141                 } else
6142                         return cell(cur.idx())->getStatus(cur, cmd, status);
6143         }
6144
6145         case LFUN_CHANGE_ACCEPT:
6146         case LFUN_CHANGE_REJECT: {
6147                 if (cur.selIsMultiCell()) {
6148                         row_type rs, re;
6149                         col_type cs, ce;
6150                         getSelection(cur, rs, re, cs, ce);
6151                         for (row_type r = rs; r <= re; ++r) {
6152                                 if (tabular.row_info[r].change.changed()) {
6153                                         status.setEnabled(true);
6154                                         return true;
6155                                 }
6156                                 for (col_type c = cs; c <= ce; ++c) {
6157                                         if (tabular.column_info[c].change.changed()) {
6158                                                 status.setEnabled(true);
6159                                                 return true;
6160                                         }
6161                                 }
6162                         }
6163                 } else {
6164                         if (tabular.row_info[tabular.cellRow(cur.idx())].change.changed()) {
6165                                 status.setEnabled(true);
6166                                 return true;
6167                         }
6168                         else if (tabular.column_info[tabular.cellColumn(cur.idx())].change.changed()) {
6169                                 status.setEnabled(true);
6170                                 return true;
6171                         }
6172                 }
6173                 return cell(cur.idx())->getStatus(cur, cmd, status);
6174         }
6175
6176         case LFUN_PARAGRAPH_BREAK:
6177         case LFUN_NEWLINE_INSERT:
6178                 return cell(cur.idx())->getStatus(cur, cmd, status);
6179
6180         case LFUN_NEWPAGE_INSERT:
6181                 status.setEnabled(false);
6182                 return true;
6183
6184         case LFUN_PASTE:
6185                 if (tabularStackDirty() && theClipboard().isInternal()) {
6186                         if (cur.selIsMultiCell()) {
6187                                 row_type rs, re;
6188                                 col_type cs, ce;
6189                                 getSelection(cur, rs, re, cs, ce);
6190                                 if (paste_tabular && paste_tabular->ncols() == ce - cs + 1
6191                                           && paste_tabular->nrows() == re - rs + 1)
6192                                         status.setEnabled(true);
6193                                 else {
6194                                         status.setEnabled(false);
6195                                         status.message(_("Selection size should match clipboard content."));
6196                                 }
6197                         } else
6198                                 status.setEnabled(true);
6199                         return true;
6200                 }
6201                 return cell(cur.idx())->getStatus(cur, cmd, status);
6202
6203         case LFUN_INSET_SETTINGS:
6204                 // relay this lfun to Inset, not to the cell.
6205                 return Inset::getStatus(cur, cmd, status);
6206
6207         default:
6208                 // we try to handle this event in the insets dispatch function.
6209                 return cell(cur.idx())->getStatus(cur, cmd, status);
6210         }
6211         return false;
6212 }
6213
6214
6215 int InsetTabular::rowFlags() const
6216 {
6217         if (tabular.is_long_tabular) {
6218                 switch (tabular.longtabular_alignment) {
6219                 case Tabular::LYX_LONGTABULAR_ALIGN_LEFT:
6220                         return Display | AlignLeft;
6221                 case Tabular::LYX_LONGTABULAR_ALIGN_CENTER:
6222                         return Display;
6223                 case Tabular::LYX_LONGTABULAR_ALIGN_RIGHT:
6224                         return Display | AlignRight;
6225                 default:
6226                         return Display;
6227                 }
6228         } else
6229                 return Inline;
6230 }
6231
6232
6233 void InsetTabular::latex(otexstream & os, OutputParams const & runparams) const
6234 {
6235         tabular.latex(os, runparams);
6236 }
6237
6238
6239 int InsetTabular::plaintext(odocstringstream & os,
6240         OutputParams const & runparams, size_t max_length) const
6241 {
6242         os << '\n'; // output table on a new line
6243         int const dp = runparams.linelen > 0 ? runparams.depth : 0;
6244         tabular.plaintext(os, runparams, dp, false, 0, max_length);
6245         return PLAINTEXT_NEWLINE;
6246 }
6247
6248
6249 void InsetTabular::docbook(XMLStream & xs, OutputParams const & runparams) const
6250 {
6251         tabular.docbook(xs, runparams);
6252 }
6253
6254
6255 docstring InsetTabular::xhtml(XMLStream & xs, OutputParams const & rp) const
6256 {
6257         return tabular.xhtml(xs, rp);
6258 }
6259
6260
6261 void InsetTabular::validate(LaTeXFeatures & features) const
6262 {
6263         tabular.validate(features);
6264         features.useInsetLayout(getLayout());
6265 }
6266
6267
6268 shared_ptr<InsetTableCell const> InsetTabular::cell(idx_type idx) const
6269 {
6270         return tabular.cellInset(idx);
6271 }
6272
6273
6274 shared_ptr<InsetTableCell> InsetTabular::cell(idx_type idx)
6275 {
6276         return tabular.cellInset(idx);
6277 }
6278
6279
6280 void InsetTabular::cursorPos(BufferView const & bv,
6281                 CursorSlice const & sl, bool boundary, int & x, int & y) const
6282 {
6283         cell(sl.idx())->cursorPos(bv, sl, boundary, x, y);
6284
6285         // y offset     correction
6286         y += cellYPos(sl.idx());
6287         y += tabular.textVOffset(sl.idx());
6288         y += tabular.offsetVAlignment();
6289
6290         // x offset correction
6291         x += cellXPos(sl.idx());
6292         x += tabular.textHOffset(sl.idx());
6293         x += ADD_TO_TABULAR_WIDTH;
6294 }
6295
6296
6297 int InsetTabular::dist(BufferView & bv, idx_type const cell, int x, int y) const
6298 {
6299         int xx = 0;
6300         int yy = 0;
6301         Inset const & inset = *tabular.cellInset(cell);
6302         Point o = bv.coordCache().getInsets().xy(&inset);
6303         int const xbeg = o.x_ - tabular.textHOffset(cell);
6304         int const xend = xbeg + tabular.cellWidth(cell);
6305         row_type const row = tabular.cellRow(cell);
6306         int const ybeg = o.y_ - tabular.rowAscent(row)
6307                 - tabular.interRowSpace(row) - tabular.textVOffset(cell);
6308         int const yend = ybeg + tabular.cellHeight(cell);
6309
6310         if (x < xbeg)
6311                 xx = xbeg - x;
6312         else if (x > xend)
6313                 xx = x - xend;
6314
6315         if (y < ybeg)
6316                 yy = ybeg - y;
6317         else if (y > yend)
6318                 yy = y - yend;
6319
6320         //lyxerr << " xbeg=" << xbeg << "  xend=" << xend
6321         //       << " ybeg=" << ybeg << " yend=" << yend
6322         //       << " xx=" << xx << " yy=" << yy
6323         //       << " dist=" << xx + yy << endl;
6324         return xx + yy;
6325 }
6326
6327
6328 Inset * InsetTabular::editXY(Cursor & cur, int x, int y)
6329 {
6330         //lyxerr << "InsetTabular::editXY: " << this << endl;
6331         cur.push(*this);
6332         cur.idx() = getNearestCell(cur.bv(), x, y);
6333         return cur.bv().textMetrics(&cell(cur.idx())->text()).editXY(cur, x, y);
6334 }
6335
6336
6337 void InsetTabular::setCursorFromCoordinates(Cursor & cur, int x, int y) const
6338 {
6339         cur.idx() = getNearestCell(cur.bv(), x, y);
6340         cur.bv().textMetrics(&cell(cur.idx())->text()).setCursorFromCoordinates(cur, x, y);
6341 }
6342
6343
6344 idx_type InsetTabular::getNearestCell(BufferView & bv, int x, int y) const
6345 {
6346         idx_type idx_min = 0;
6347         int dist_min = numeric_limits<int>::max();
6348         for (idx_type i = 0, n = nargs(); i != n; ++i) {
6349                 if (bv.coordCache().getInsets().has(tabular.cellInset(i).get())) {
6350                         int const d = dist(bv, i, x, y);
6351                         if (d < dist_min) {
6352                                 dist_min = d;
6353                                 idx_min = i;
6354                         }
6355                 }
6356         }
6357         return idx_min;
6358 }
6359
6360
6361 int InsetTabular::cellYPos(idx_type const cell) const
6362 {
6363         row_type row = tabular.cellRow(cell);
6364         int ly = 0;
6365         for (row_type r = 0; r < row; ++r)
6366                 ly += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
6367                         + tabular.interRowSpace(r + 1);
6368         return ly;
6369 }
6370
6371
6372 int InsetTabular::cellXPos(idx_type const cell) const
6373 {
6374         col_type col = tabular.cellColumn(cell);
6375         int lx = 0;
6376         for (col_type c = 0; c < col; ++c)
6377                 lx += tabular.column_info[c].width;
6378         return lx;
6379 }
6380
6381
6382 void InsetTabular::moveNextCell(Cursor & cur, EntryDirection entry_from)
6383 {
6384         row_type const row = tabular.cellRow(cur.idx());
6385         col_type const col = tabular.cellColumn(cur.idx());
6386
6387         if (isRightToLeft(cur)) {
6388                 if (tabular.cellColumn(cur.idx()) == 0) {
6389                         if (row == tabular.nrows() - 1)
6390                                 return;
6391                         cur.idx() = tabular.cellBelow(tabular.getLastCellInRow(row));
6392                 } else {
6393                         if (cur.idx() == 0)
6394                                 return;
6395                         if (col == 0)
6396                                 cur.idx() = tabular.getLastCellInRow(row - 1);
6397                         else
6398                                 cur.idx() = tabular.cellIndex(row, col - 1);
6399                 }
6400         } else {
6401                 if (tabular.isLastCell(cur.idx()))
6402                         return;
6403                 if (cur.idx() == tabular.getLastCellInRow(row))
6404                         cur.idx() = tabular.cellIndex(row + 1, 0);
6405                 else {
6406                         col_type const colnextcell = col + tabular.columnSpan(cur.idx());
6407                         cur.idx() = tabular.cellIndex(row, colnextcell);
6408                 }
6409         }
6410
6411         cur.boundary(false);
6412
6413         if (cur.selIsMultiCell()) {
6414                 cur.pit() = cur.lastpit();
6415                 cur.pos() = cur.lastpos();
6416                 return;
6417         }
6418
6419         cur.pit() = 0;
6420         cur.pos() = 0;
6421
6422         // in visual mode, place cursor at extreme left or right
6423
6424         switch(entry_from) {
6425
6426         case ENTRY_DIRECTION_RIGHT:
6427                 cur.posVisToRowExtremity(false /* !left */);
6428                 break;
6429         case ENTRY_DIRECTION_LEFT:
6430                 cur.posVisToRowExtremity(true /* left */);
6431                 break;
6432         case ENTRY_DIRECTION_IGNORE:
6433                 // nothing to do in this case
6434                 break;
6435
6436         }
6437         cur.setCurrentFont();
6438 }
6439
6440
6441 void InsetTabular::movePrevCell(Cursor & cur, EntryDirection entry_from)
6442 {
6443         row_type const row = tabular.cellRow(cur.idx());
6444         col_type const col = tabular.cellColumn(cur.idx());
6445
6446         if (isRightToLeft(cur)) {
6447                 if (cur.idx() == tabular.getLastCellInRow(row)) {
6448                         if (row == 0)
6449                                 return;
6450                         cur.idx() = tabular.getFirstCellInRow(row);
6451                         cur.idx() = tabular.cellAbove(cur.idx());
6452                 } else {
6453                         if (tabular.isLastCell(cur.idx()))
6454                                 return;
6455                         if (cur.idx() == tabular.getLastCellInRow(row))
6456                                 cur.idx() = tabular.cellIndex(row + 1, 0);
6457                         else
6458                                 cur.idx() = tabular.cellIndex(row, col + 1);
6459                 }
6460         } else {
6461                 if (cur.idx() == 0) // first cell
6462                         return;
6463                 if (col == 0)
6464                         cur.idx() = tabular.getLastCellInRow(row - 1);
6465                 else
6466                         cur.idx() = tabular.cellIndex(row, col - 1);
6467         }
6468
6469         if (cur.selIsMultiCell()) {
6470                 cur.pit() = cur.lastpit();
6471                 cur.pos() = cur.lastpos();
6472                 return;
6473         }
6474
6475         cur.pit() = cur.lastpit();
6476         cur.pos() = cur.lastpos();
6477
6478         // in visual mode, place cursor at extreme left or right
6479
6480         switch(entry_from) {
6481
6482         case ENTRY_DIRECTION_RIGHT:
6483                 cur.posVisToRowExtremity(false /* !left */);
6484                 break;
6485         case ENTRY_DIRECTION_LEFT:
6486                 cur.posVisToRowExtremity(true /* left */);
6487                 break;
6488         case ENTRY_DIRECTION_IGNORE:
6489                 // nothing to do in this case
6490                 break;
6491
6492         }
6493         cur.setCurrentFont();
6494 }
6495
6496
6497 void InsetTabular::tabularFeatures(Cursor & cur, string const & argument)
6498 {
6499         cur.recordUndoInset(this);
6500
6501         istringstream is(argument);
6502         // limit the size of strings we read to avoid memory problems
6503         is >> setw(65636);
6504         string s;
6505         // Safe guard.
6506         size_t safe_guard = 0;
6507         for (;;) {
6508                 if (is.eof())
6509                         return;
6510                 safe_guard++;
6511                 if (safe_guard > 1000) {
6512                         LYXERR0("parameter max count reached!");
6513                         return;
6514                 }
6515                 is >> s;
6516                 Tabular::Feature action = Tabular::LAST_ACTION;
6517
6518                 size_t i = 0;
6519                 for (; tabularFeature[i].action != Tabular::LAST_ACTION; ++i) {
6520                         if (s != tabularFeature[i].feature)
6521                                 continue;
6522                         action = tabularFeature[i].action;
6523                         break;
6524                 }
6525                 if (action == Tabular::LAST_ACTION) {
6526                         LYXERR0("Feature not found " << s);
6527                         continue;
6528                 }
6529                 string val;
6530                 if (tabularFeature[i].need_value)
6531                         is >> val;
6532                 LYXERR(Debug::DEBUG, "Feature: " << s << "\t\tvalue: " << val);
6533                 tabularFeatures(cur, action, val);
6534         }
6535 }
6536
6537
6538 static void checkLongtableSpecial(Tabular::ltType & ltt,
6539                           string const & special, bool & flag)
6540 {
6541         if (special == "dl_above") {
6542                 ltt.topDL = flag;
6543                 ltt.set = false;
6544         } else if (special == "dl_below") {
6545                 ltt.bottomDL = flag;
6546                 ltt.set = false;
6547         } else if (special == "empty") {
6548                 ltt.empty = flag;
6549                 ltt.set = false;
6550         } else if (flag) {
6551                 ltt.empty = false;
6552                 ltt.set = true;
6553         }
6554 }
6555
6556
6557 bool InsetTabular::oneCellHasRotationState(bool rotated,
6558                 row_type row_start, row_type row_end,
6559                 col_type col_start, col_type col_end) const
6560 {
6561         for (row_type r = row_start; r <= row_end; ++r)
6562                 for (col_type c = col_start; c <= col_end; ++c)
6563                         if (rotated) {
6564                                 if (tabular.getRotateCell(tabular.cellIndex(r, c)) != 0)
6565                                         return true;
6566                         } else {
6567                                 if (tabular.getRotateCell(tabular.cellIndex(r, c)) == 0)
6568                                         return true;
6569                         }
6570         return false;
6571 }
6572
6573
6574 void InsetTabular::tabularFeatures(Cursor & cur,
6575         Tabular::Feature feature, string const & value)
6576 {
6577         col_type sel_col_start;
6578         col_type sel_col_end;
6579         row_type sel_row_start;
6580         row_type sel_row_end;
6581         bool setLines = false;
6582         bool toggle = false;
6583         LyXAlignment setAlign = LYX_ALIGN_LEFT;
6584         Tabular::VAlignment setVAlign = Tabular::LYX_VALIGN_TOP;
6585
6586         switch (feature) {
6587
6588         case Tabular::M_ALIGN_LEFT:
6589         case Tabular::ALIGN_LEFT:
6590                 setAlign = LYX_ALIGN_LEFT;
6591                 break;
6592
6593         case Tabular::M_ALIGN_RIGHT:
6594         case Tabular::ALIGN_RIGHT:
6595                 setAlign = LYX_ALIGN_RIGHT;
6596                 break;
6597
6598         case Tabular::M_ALIGN_CENTER:
6599         case Tabular::ALIGN_CENTER:
6600                 setAlign = LYX_ALIGN_CENTER;
6601                 break;
6602
6603         case Tabular::ALIGN_BLOCK:
6604                 setAlign = LYX_ALIGN_BLOCK;
6605                 break;
6606
6607         case Tabular::ALIGN_DECIMAL:
6608                 setAlign = LYX_ALIGN_DECIMAL;
6609                 break;
6610
6611         case Tabular::M_VALIGN_TOP:
6612         case Tabular::VALIGN_TOP:
6613                 setVAlign = Tabular::LYX_VALIGN_TOP;
6614                 break;
6615
6616         case Tabular::M_VALIGN_BOTTOM:
6617         case Tabular::VALIGN_BOTTOM:
6618                 setVAlign = Tabular::LYX_VALIGN_BOTTOM;
6619                 break;
6620
6621         case Tabular::M_VALIGN_MIDDLE:
6622         case Tabular::VALIGN_MIDDLE:
6623                 setVAlign = Tabular::LYX_VALIGN_MIDDLE;
6624                 break;
6625
6626         default:
6627                 break;
6628         }
6629
6630         getSelection(cur, sel_row_start, sel_row_end, sel_col_start, sel_col_end);
6631         row_type const row = tabular.cellRow(cur.idx());
6632         col_type const column = tabular.cellColumn(cur.idx());
6633         bool flag = true;
6634         Tabular::ltType ltt;
6635
6636         switch (feature) {
6637
6638         case Tabular::SET_TABULAR_WIDTH:
6639                 tabular.setTabularWidth(Length(value));
6640                 break;
6641
6642         case Tabular::SET_PWIDTH: {
6643                 Length const len(value);
6644                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6645                         tabular.setColumnPWidth(cur, tabular.cellIndex(row, c), len);
6646                         if (len.zero()
6647                             && tabular.getAlignment(tabular.cellIndex(row, c), true) == LYX_ALIGN_BLOCK)
6648                                 tabularFeatures(cur, Tabular::ALIGN_CENTER, string());
6649                 }
6650                 break;
6651         }
6652
6653         case Tabular::SET_MPWIDTH:
6654                 tabular.setMColumnPWidth(cur, cur.idx(), Length(value));
6655                 break;
6656
6657         case Tabular::TOGGLE_VARWIDTH_COLUMN: {
6658                 bool const varwidth = value == "on";
6659                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6660                         tabular.toggleVarwidth(tabular.cellIndex(row, c), varwidth);
6661                 break;
6662         }
6663
6664         case Tabular::SET_MROFFSET:
6665                 tabular.setMROffset(cur, cur.idx(), Length(value));
6666                 break;
6667
6668         case Tabular::SET_SPECIAL_COLUMN:
6669         case Tabular::SET_SPECIAL_MULTICOLUMN:
6670                 if (value == "none")
6671                         tabular.setAlignSpecial(cur.idx(), docstring(), feature);
6672                 else
6673                         tabular.setAlignSpecial(cur.idx(), from_utf8(value), feature);
6674                 break;
6675
6676         case Tabular::APPEND_ROW:
6677                 // append the row into the tabular
6678                 tabular.appendRow(row);
6679                 break;
6680
6681         case Tabular::APPEND_COLUMN:
6682                 // append the column into the tabular
6683                 tabular.appendColumn(column);
6684                 cur.idx() = tabular.cellIndex(row, column);
6685                 break;
6686
6687         case Tabular::DELETE_ROW:
6688                 if (sel_row_end == tabular.nrows() - 1 && sel_row_start != 0) {
6689                         for (col_type c = 0; c < tabular.ncols(); c++) {
6690                                 tabular.setBottomLine(tabular.cellIndex(sel_row_start - 1, c),
6691                                         tabular.bottomLine(tabular.cellIndex(sel_row_end, c)));
6692                                 tabular.setBottomLineTrim(tabular.cellIndex(sel_row_start - 1, c),
6693                                         tabular.bottomLineTrim(tabular.cellIndex(sel_row_end, c)));
6694                         }
6695                 }
6696
6697                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6698                         tabular.deleteRow(sel_row_start);
6699                 if (sel_row_start >= tabular.nrows())
6700                         --sel_row_start;
6701                 cur.idx() = tabular.cellIndex(sel_row_start, column);
6702                 cur.pit() = 0;
6703                 cur.pos() = 0;
6704                 cur.selection(false);
6705                 break;
6706
6707         case Tabular::DELETE_COLUMN:
6708                 if (sel_col_end == tabular.ncols() - 1 && sel_col_start != 0) {
6709                         for (row_type r = 0; r < tabular.nrows(); r++)
6710                                 tabular.setRightLine(tabular.cellIndex(r, sel_col_start - 1),
6711                                         tabular.rightLine(tabular.cellIndex(r, sel_col_end)));
6712                 }
6713
6714                 if (sel_col_start == 0 && sel_col_end != tabular.ncols() - 1) {
6715                         for (row_type r = 0; r < tabular.nrows(); r++)
6716                                 tabular.setLeftLine(tabular.cellIndex(r, sel_col_end + 1),
6717                                         tabular.leftLine(tabular.cellIndex(r, 0)));
6718                 }
6719
6720                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6721                         tabular.deleteColumn(sel_col_start);
6722                 if (sel_col_start >= tabular.ncols())
6723                         --sel_col_start;
6724                 cur.idx() = tabular.cellIndex(row, sel_col_start);
6725                 cur.pit() = 0;
6726                 cur.pos() = 0;
6727                 cur.selection(false);
6728                 break;
6729
6730         case Tabular::COPY_ROW:
6731                 tabular.copyRow(row);
6732                 break;
6733
6734         case Tabular::COPY_COLUMN:
6735                 tabular.copyColumn(column);
6736                 cur.idx() = tabular.cellIndex(row, column);
6737                 break;
6738
6739         case Tabular::MOVE_COLUMN_RIGHT:
6740                 tabular.moveColumn(sel_col_start, sel_col_end, Tabular::RIGHT);
6741                 if (cur.selection()) {
6742                         cur.selection(false);
6743                         cur.idx() = tabular.cellIndex(sel_row_start, sel_col_start + 1);
6744                         cur.resetAnchor();
6745                         cur.idx() = tabular.cellIndex(sel_row_end, sel_col_end + 1);
6746                         cur.setSelection();
6747                 } else
6748                         cur.idx() = tabular.cellIndex(row, column + 1);
6749                 break;
6750
6751         case Tabular::MOVE_COLUMN_LEFT:
6752                 tabular.moveColumn(sel_col_start, sel_col_end, Tabular::LEFT);
6753                 if (cur.selection()) {
6754                         cur.selection(false);
6755                         cur.idx() = tabular.cellIndex(sel_row_start, sel_col_start - 1);
6756                         cur.resetAnchor();
6757                         cur.idx() = tabular.cellIndex(sel_row_end, sel_col_end - 1);
6758                         cur.setSelection();
6759                 } else
6760                         cur.idx() = tabular.cellIndex(row, column - 1);
6761                 break;
6762
6763         case Tabular::MOVE_ROW_DOWN:
6764                 tabular.moveRow(sel_row_start, sel_row_end, Tabular::DOWN);
6765                 if (cur.selection()) {
6766                         cur.selection(false);
6767                         cur.idx() = tabular.cellIndex(sel_row_start + 1, sel_col_start);
6768                         cur.resetAnchor();
6769                         cur.idx() = tabular.cellIndex(sel_row_end + 1, sel_col_end);
6770                         cur.setSelection();
6771                 } else
6772                         cur.idx() = tabular.cellIndex(row + 1, column);
6773                 break;
6774
6775         case Tabular::MOVE_ROW_UP:
6776                 tabular.moveRow(sel_row_start, sel_row_end, Tabular::UP);
6777                 if (cur.selection()) {
6778                         cur.selection(false);
6779                         cur.idx() = tabular.cellIndex(sel_row_start - 1, sel_col_start);
6780                         cur.resetAnchor();
6781                         cur.idx() = tabular.cellIndex(sel_row_end - 1, sel_col_end);
6782                         cur.setSelection();
6783                 } else
6784                         cur.idx() = tabular.cellIndex(row - 1, column);
6785                 break;
6786
6787         case Tabular::SET_LINE_TOP:
6788         case Tabular::TOGGLE_LINE_TOP: {
6789                 bool lineSet = (feature == Tabular::SET_LINE_TOP)
6790                                ? (value == "true") : !tabular.topLine(cur.idx());
6791                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6792                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6793                                 tabular.setTopLine(tabular.cellIndex(r, c), lineSet);
6794                 break;
6795         }
6796
6797         case Tabular::SET_LINE_BOTTOM:
6798         case Tabular::TOGGLE_LINE_BOTTOM: {
6799                 bool lineSet = (feature == Tabular::SET_LINE_BOTTOM)
6800                                ? (value == "true") : !tabular.bottomLine(cur.idx());
6801                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6802                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6803                                 tabular.setBottomLine(tabular.cellIndex(r, c), lineSet);
6804                 break;
6805         }
6806
6807         case Tabular::SET_LTRIM_TOP:
6808         case Tabular::TOGGLE_LTRIM_TOP: {
6809                 bool l = (feature == Tabular::SET_LTRIM_TOP)
6810                                ? (value == "true") : !tabular.topLineTrim(cur.idx()).first;
6811                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6812                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6813                                 tabular.setTopLineLTrim(tabular.cellIndex(r, c), l);
6814                 break;
6815         }
6816
6817         case Tabular::SET_RTRIM_TOP:
6818         case Tabular::TOGGLE_RTRIM_TOP: {
6819                 bool l = (feature == Tabular::SET_RTRIM_TOP)
6820                                ? (value == "true") : !tabular.topLineTrim(cur.idx()).second;
6821                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6822                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6823                                 tabular.setTopLineRTrim(tabular.cellIndex(r, c), l);
6824                 break;
6825         }
6826
6827         case Tabular::SET_LTRIM_BOTTOM:
6828         case Tabular::TOGGLE_LTRIM_BOTTOM: {
6829                 bool l = (feature == Tabular::SET_LTRIM_BOTTOM)
6830                                ? (value == "true") : !tabular.bottomLineTrim(cur.idx()).first;
6831                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6832                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6833                                 tabular.setBottomLineLTrim(tabular.cellIndex(r, c), l);
6834                 break;
6835         }
6836
6837         case Tabular::SET_RTRIM_BOTTOM:
6838         case Tabular::TOGGLE_RTRIM_BOTTOM: {
6839                 bool l = (feature == Tabular::SET_RTRIM_BOTTOM)
6840                                ? (value == "true") : !tabular.bottomLineTrim(cur.idx()).second;
6841                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6842                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6843                                 tabular.setBottomLineRTrim(tabular.cellIndex(r, c), l);
6844                 break;
6845         }
6846
6847         case Tabular::SET_LINE_LEFT:
6848         case Tabular::TOGGLE_LINE_LEFT: {
6849                 bool lineSet = (feature == Tabular::SET_LINE_LEFT)
6850                                ? (value == "true") : !tabular.leftLine(cur.idx());
6851                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6852                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6853                                 tabular.setLeftLine(tabular.cellIndex(r, c), lineSet);
6854                 break;
6855         }
6856
6857         case Tabular::SET_LINE_RIGHT:
6858         case Tabular::TOGGLE_LINE_RIGHT: {
6859                 bool lineSet = (feature == Tabular::SET_LINE_RIGHT)
6860                                ? (value == "true") : !tabular.rightLine(cur.idx());
6861                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6862                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6863                                 tabular.setRightLine(tabular.cellIndex(r, c), lineSet);
6864                 break;
6865         }
6866
6867         case Tabular::M_ALIGN_LEFT:
6868         case Tabular::M_ALIGN_RIGHT:
6869         case Tabular::M_ALIGN_CENTER:
6870         case Tabular::ALIGN_LEFT:
6871         case Tabular::ALIGN_RIGHT:
6872         case Tabular::ALIGN_CENTER:
6873         case Tabular::ALIGN_BLOCK:
6874         case Tabular::ALIGN_DECIMAL:
6875                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6876                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6877                                 tabular.setAlignment(tabular.cellIndex(r, c), setAlign,
6878                                 !tabular.getPWidth(c).zero());
6879                 break;
6880
6881         case Tabular::M_VALIGN_TOP:
6882         case Tabular::M_VALIGN_BOTTOM:
6883         case Tabular::M_VALIGN_MIDDLE:
6884                 flag = false;
6885                 // fall through
6886         case Tabular::VALIGN_TOP:
6887         case Tabular::VALIGN_BOTTOM:
6888         case Tabular::VALIGN_MIDDLE:
6889                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6890                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6891                                 tabular.setVAlignment(tabular.cellIndex(r, c), setVAlign, flag);
6892                 break;
6893
6894         case Tabular::SET_MULTICOLUMN: {
6895                 if (!cur.selection()) {
6896                         // just multicol for one single cell
6897                         // check whether we are completely in a multicol
6898                         if (!tabular.isMultiColumn(cur.idx()))
6899                                 tabular.setMultiColumn(cur, cur.idx(), 1,
6900                                         tabular.rightLine(cur.idx()));
6901                         break;
6902                 }
6903                 // we have a selection so this means we just add all these
6904                 // cells to form a multicolumn cell
6905                 idx_type const s_start = cur.selBegin().idx();
6906                 row_type const col_start = tabular.cellColumn(s_start);
6907                 row_type const col_end = tabular.cellColumn(cur.selEnd().idx());
6908                 cur.idx() = tabular.setMultiColumn(cur, s_start, col_end - col_start + 1,
6909                                                    tabular.rightLine(cur.selEnd().idx()));
6910                 cur.pit() = 0;
6911                 cur.pos() = 0;
6912                 cur.selection(false);
6913                 break;
6914         }
6915
6916         case Tabular::UNSET_MULTICOLUMN: {
6917                 if (!cur.selection()) {
6918                         if (tabular.isMultiColumn(cur.idx()))
6919                                 tabular.unsetMultiColumn(cur.idx());
6920                 }
6921                 break;
6922         }
6923
6924         case Tabular::MULTICOLUMN: {
6925                 if (!cur.selection()) {
6926                         if (tabular.isMultiColumn(cur.idx()))
6927                                 tabularFeatures(cur, Tabular::UNSET_MULTICOLUMN);
6928                         else
6929                                 tabularFeatures(cur, Tabular::SET_MULTICOLUMN);
6930                         break;
6931                 }
6932                 bool merge = false;
6933                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6934                         row_type const r = sel_row_start;
6935                         if (!tabular.isMultiColumn(tabular.cellIndex(r, c))
6936                             || (r > sel_row_start && !tabular.isPartOfMultiColumn(r, c)))
6937                                 merge = true;
6938                 }
6939                 // If the selection contains at least one singlecol cell
6940                 // or multiple multicol cells,
6941                 // we assume the user will merge is to a single multicol
6942                 if (merge)
6943                         tabularFeatures(cur, Tabular::SET_MULTICOLUMN);
6944                 else
6945                         tabularFeatures(cur, Tabular::UNSET_MULTICOLUMN);
6946                 break;
6947         }
6948
6949         case Tabular::SET_MULTIROW: {
6950                 if (!cur.selection()) {
6951                         // just multirow for one single cell
6952                         // check whether we are completely in a multirow
6953                         if (!tabular.isMultiRow(cur.idx()))
6954                                 tabular.setMultiRow(cur, cur.idx(), 1,
6955                                                     tabular.bottomLine(cur.idx()),
6956                                                     tabular.getAlignment(cur.idx()));
6957                         break;
6958                 }
6959                 // we have a selection so this means we just add all this
6960                 // cells to form a multirow cell
6961                 idx_type const s_start = cur.selBegin().idx();
6962                 row_type const row_start = tabular.cellRow(s_start);
6963                 row_type const row_end = tabular.cellRow(cur.selEnd().idx());
6964                 cur.idx() = tabular.setMultiRow(cur, s_start, row_end - row_start + 1,
6965                                                 tabular.bottomLine(cur.selEnd().idx()),
6966                                                 tabular.getAlignment(cur.selEnd().idx()));
6967                 cur.pit() = 0;
6968                 cur.pos() = 0;
6969                 cur.selection(false);
6970                 break;
6971         }
6972
6973         case Tabular::UNSET_MULTIROW: {
6974                 if (!cur.selection()) {
6975                         if (tabular.isMultiRow(cur.idx()))
6976                                 tabular.unsetMultiRow(cur.idx());
6977                 }
6978                 break;
6979         }
6980
6981         case Tabular::MULTIROW: {
6982                 if (!cur.selection()) {
6983                         if (tabular.isMultiRow(cur.idx()))
6984                                 tabularFeatures(cur, Tabular::UNSET_MULTIROW);
6985                         else
6986                                 tabularFeatures(cur, Tabular::SET_MULTIROW);
6987                         break;
6988                 }
6989                 bool merge = false;
6990                 for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6991                         col_type const c = sel_col_start;
6992                         if (!tabular.isMultiRow(tabular.cellIndex(r, c))
6993                             || (r > sel_row_start && !tabular.isPartOfMultiRow(r, c)))
6994                                 merge = true;
6995                 }
6996                 // If the selection contains at least one singlerow cell
6997                 // or multiple multirow cells,
6998                 // we assume the user will merge is to a single multirow
6999                 if (merge)
7000                         tabularFeatures(cur, Tabular::SET_MULTIROW);
7001                 else
7002                         tabularFeatures(cur, Tabular::UNSET_MULTIROW);
7003                 break;
7004         }
7005
7006         case Tabular::TOGGLE_INNER_LINES:
7007                 toggle = true;
7008                 // fall through
7009         case Tabular::SET_INNER_LINES:
7010                 if (toggle)
7011                         setLines = !tabular.innerBorders(sel_row_start, sel_row_end,
7012                                                                                      sel_col_start, sel_col_end);
7013                 else
7014                         setLines = true;
7015                 tabular.setLines(sel_row_start, sel_row_end,
7016                                                  sel_col_start, sel_col_end,
7017                                                  true, setLines);
7018                 break;
7019
7020         case Tabular::TOGGLE_ALL_LINES:
7021                 toggle = true;
7022                 // fall through
7023         case Tabular::SET_ALL_LINES:
7024                 if (toggle)
7025                         setLines = !tabular.innerBorders(sel_row_start, sel_row_end,
7026                                                                                      sel_col_start, sel_col_end)
7027                                         || !tabular.outsideBorders(sel_row_start, sel_row_end,
7028                                                                                        sel_col_start, sel_col_end);
7029                 else
7030                         setLines = true;
7031                 // fall through
7032         case Tabular::UNSET_ALL_LINES:
7033                 tabular.setLines(sel_row_start, sel_row_end,
7034                                                  sel_col_start, sel_col_end,
7035                                                  false, setLines);
7036                 break;
7037
7038         case Tabular::RESET_FORMAL_DEFAULT:
7039                 for (row_type r = 0; r < tabular.nrows(); ++r) {
7040                         bool const head_or_foot = r == 0 || r == tabular.nrows() - 1;
7041                         for (col_type c = 0; c < tabular.ncols(); ++c) {
7042                                 idx_type const cell = tabular.cellIndex(r, c);
7043                                 tabular.setTopLine(cell, head_or_foot);
7044                                 tabular.setBottomLine(cell, head_or_foot);
7045                         }
7046                 }
7047                 break;
7048
7049         case Tabular::TOGGLE_BORDER_LINES:
7050                 toggle = true;
7051                 // fall through
7052         case Tabular::SET_BORDER_LINES: {
7053                 bool const border = toggle &&
7054                                 tabular.outsideBorders(sel_row_start, sel_row_end,
7055                                                                            sel_col_start, sel_col_end)
7056                                 ? false : true;
7057                 for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7058                         tabular.setLeftLine(tabular.cellIndex(r, sel_col_start), border);
7059                         tabular.setRightLine(tabular.cellIndex(r, sel_col_end), border);
7060                 }
7061                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
7062                         tabular.setTopLine(tabular.cellIndex(sel_row_start, c), border);
7063                         tabular.setBottomLine(tabular.cellIndex(sel_row_end, c), border);
7064                 }
7065                 break;
7066         }
7067
7068         case Tabular::TOGGLE_LONGTABULAR:
7069                 if (tabular.is_long_tabular)
7070                         tabularFeatures(cur, Tabular::UNSET_LONGTABULAR);
7071                 else
7072                         tabular.is_long_tabular = true;
7073                 break;
7074
7075         case Tabular::SET_LONGTABULAR:
7076                 tabular.is_long_tabular = true;
7077                 break;
7078
7079         case Tabular::UNSET_LONGTABULAR:
7080                 for (row_type r = 0; r < tabular.nrows(); ++r) {
7081                         if (tabular.ltCaption(r)) {
7082                                 cur.idx() = tabular.cellIndex(r, 0);
7083                                 cur.pit() = 0;
7084                                 cur.pos() = 0;
7085                                 tabularFeatures(cur, Tabular::TOGGLE_LTCAPTION);
7086                         }
7087                 }
7088                 tabular.is_long_tabular = false;
7089                 break;
7090
7091         case Tabular::SET_ROTATE_TABULAR:
7092                 tabular.rotate = convert<int>(value);
7093                 break;
7094
7095         case Tabular::UNSET_ROTATE_TABULAR:
7096                 tabular.rotate = 0;
7097                 break;
7098
7099         case Tabular::TOGGLE_ROTATE_TABULAR:
7100                 // when pressing the rotate button we default to 90° rotation
7101                 tabular.rotate != 0 ? tabular.rotate = 0 : tabular.rotate = 90;
7102                 break;
7103
7104         case Tabular::TABULAR_VALIGN_TOP:
7105                 tabular.tabular_valignment = Tabular::LYX_VALIGN_TOP;
7106                 break;
7107
7108         case Tabular::TABULAR_VALIGN_MIDDLE:
7109                 tabular.tabular_valignment = Tabular::LYX_VALIGN_MIDDLE;
7110                 break;
7111
7112         case Tabular::TABULAR_VALIGN_BOTTOM:
7113                 tabular.tabular_valignment = Tabular::LYX_VALIGN_BOTTOM;
7114                 break;
7115
7116         case Tabular::LONGTABULAR_ALIGN_LEFT:
7117                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_LEFT;
7118                 break;
7119
7120         case Tabular::LONGTABULAR_ALIGN_CENTER:
7121                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_CENTER;
7122                 break;
7123
7124         case Tabular::LONGTABULAR_ALIGN_RIGHT:
7125                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_RIGHT;
7126                 break;
7127
7128         case Tabular::SET_ROTATE_CELL:
7129                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7130                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
7131                                 tabular.setRotateCell(tabular.cellIndex(r, c), convert<int>(value));
7132                 break;
7133
7134         case Tabular::UNSET_ROTATE_CELL:
7135                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7136                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
7137                                 tabular.setRotateCell(tabular.cellIndex(r, c), 0);
7138                 break;
7139
7140         case Tabular::TOGGLE_ROTATE_CELL:
7141                 {
7142                 bool oneNotRotated = oneCellHasRotationState(false,
7143                         sel_row_start, sel_row_end, sel_col_start, sel_col_end);
7144
7145                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7146                         for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
7147                                 // when pressing the rotate cell button we default to 90° rotation
7148                                 if (oneNotRotated)
7149                                         tabular.setRotateCell(tabular.cellIndex(r, c), 90);
7150                                 else
7151                                         tabular.setRotateCell(tabular.cellIndex(r, c), 0);
7152                         }
7153                 }
7154                 break;
7155
7156         case Tabular::SET_USEBOX: {
7157                 Tabular::BoxType val = Tabular::BoxType(convert<int>(value));
7158                 if (val == tabular.getUsebox(cur.idx()))
7159                         val = Tabular::BOX_NONE;
7160                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7161                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
7162                                 tabular.setUsebox(tabular.cellIndex(r, c), val);
7163                 break;
7164         }
7165
7166         case Tabular::UNSET_LTFIRSTHEAD:
7167                 flag = false;
7168                 // fall through
7169         case Tabular::SET_LTFIRSTHEAD:
7170                 tabular.getRowOfLTFirstHead(row, ltt);
7171                 checkLongtableSpecial(ltt, value, flag);
7172                 tabular.setLTHead(row, flag, ltt, true);
7173                 break;
7174
7175         case Tabular::UNSET_LTHEAD:
7176                 flag = false;
7177                 // fall through
7178         case Tabular::SET_LTHEAD:
7179                 tabular.getRowOfLTHead(row, ltt);
7180                 checkLongtableSpecial(ltt, value, flag);
7181                 tabular.setLTHead(row, flag, ltt, false);
7182                 break;
7183
7184         case Tabular::UNSET_LTFOOT:
7185                 flag = false;
7186                 // fall through
7187         case Tabular::SET_LTFOOT:
7188                 tabular.getRowOfLTFoot(row, ltt);
7189                 checkLongtableSpecial(ltt, value, flag);
7190                 tabular.setLTFoot(row, flag, ltt, false);
7191                 break;
7192
7193         case Tabular::UNSET_LTLASTFOOT:
7194                 flag = false;
7195                 // fall through
7196         case Tabular::SET_LTLASTFOOT:
7197                 tabular.getRowOfLTLastFoot(row, ltt);
7198                 checkLongtableSpecial(ltt, value, flag);
7199                 tabular.setLTFoot(row, flag, ltt, true);
7200                 break;
7201
7202         case Tabular::UNSET_LTNEWPAGE:
7203                 flag = false;
7204                 // fall through
7205         case Tabular::SET_LTNEWPAGE:
7206                 tabular.setLTNewPage(row, flag);
7207                 break;
7208
7209         case Tabular::SET_LTCAPTION: {
7210                 if (tabular.ltCaption(row))
7211                         break;
7212                 cur.idx() = tabular.setLTCaption(cur, row, true);
7213                 cur.pit() = 0;
7214                 cur.pos() = 0;
7215                 cur.selection(false);
7216                 // If a row is set as caption, then also insert
7217                 // a caption. Otherwise the LaTeX output is broken.
7218                 // Select cell if it is non-empty
7219                 if (cur.lastpos() > 0 || cur.lastpit() > 0)
7220                         lyx::dispatch(FuncRequest(LFUN_INSET_SELECT_ALL));
7221                 lyx::dispatch(FuncRequest(LFUN_CAPTION_INSERT));
7222                 break;
7223         }
7224
7225         case Tabular::UNSET_LTCAPTION: {
7226                 if (!tabular.ltCaption(row))
7227                         break;
7228                 cur.idx() = tabular.setLTCaption(cur, row, false);
7229                 cur.pit() = 0;
7230                 cur.pos() = 0;
7231                 cur.selection(false);
7232                 FuncRequest fr(LFUN_INSET_DISSOLVE, "caption");
7233                 if (lyx::getStatus(fr).enabled())
7234                         lyx::dispatch(fr);
7235                 break;
7236         }
7237
7238         case Tabular::TOGGLE_LTCAPTION: {
7239                 if (tabular.ltCaption(row))
7240                         tabularFeatures(cur, Tabular::UNSET_LTCAPTION);
7241                 else
7242                         tabularFeatures(cur, Tabular::SET_LTCAPTION);
7243                 break;
7244         }
7245
7246         case Tabular::TOGGLE_BOOKTABS:
7247                 tabular.use_booktabs = !tabular.use_booktabs;
7248                 break;
7249
7250         case Tabular::SET_BOOKTABS:
7251                 tabular.use_booktabs = true;
7252                 break;
7253
7254         case Tabular::UNSET_BOOKTABS:
7255                 tabular.use_booktabs = false;
7256                 break;
7257
7258         case Tabular::SET_TOP_SPACE: {
7259                 Length len;
7260                 if (value == "default")
7261                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7262                                 tabular.row_info[r].top_space_default = true;
7263                 else if (value == "none")
7264                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7265                                 tabular.row_info[r].top_space_default = false;
7266                                 tabular.row_info[r].top_space = len;
7267                         }
7268                 else if (isValidLength(value, &len))
7269                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7270                                 tabular.row_info[r].top_space_default = false;
7271                                 tabular.row_info[r].top_space = len;
7272                         }
7273                 break;
7274         }
7275
7276         case Tabular::SET_BOTTOM_SPACE: {
7277                 Length len;
7278                 if (value == "default")
7279                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7280                                 tabular.row_info[r].bottom_space_default = true;
7281                 else if (value == "none")
7282                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7283                                 tabular.row_info[r].bottom_space_default = false;
7284                                 tabular.row_info[r].bottom_space = len;
7285                         }
7286                 else if (isValidLength(value, &len))
7287                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7288                                 tabular.row_info[r].bottom_space_default = false;
7289                                 tabular.row_info[r].bottom_space = len;
7290                         }
7291                 break;
7292         }
7293
7294         case Tabular::SET_INTERLINE_SPACE: {
7295                 Length len;
7296                 if (value == "default")
7297                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7298                                 tabular.row_info[r].interline_space_default = true;
7299                 else if (value == "none")
7300                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7301                                 tabular.row_info[r].interline_space_default = false;
7302                                 tabular.row_info[r].interline_space = len;
7303                         }
7304                 else if (isValidLength(value, &len))
7305                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7306                                 tabular.row_info[r].interline_space_default = false;
7307                                 tabular.row_info[r].interline_space = len;
7308                         }
7309                 break;
7310         }
7311
7312         case Tabular::SET_DECIMAL_POINT:
7313                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
7314                         tabular.column_info[c].decimal_point = from_utf8(value);
7315                 break;
7316
7317         // dummy stuff just to avoid warnings
7318         case Tabular::LAST_ACTION:
7319                 break;
7320         }
7321 }
7322
7323
7324 bool InsetTabular::copySelection(Cursor & cur)
7325 {
7326         if (!cur.selection())
7327                 return false;
7328
7329         row_type rs, re;
7330         col_type cs, ce;
7331         getSelection(cur, rs, re, cs, ce);
7332
7333         paste_tabular.reset(new Tabular(tabular));
7334
7335         for (row_type r = 0; r < rs; ++r)
7336                 paste_tabular->deleteRow(0, true);
7337
7338         row_type const rows = re - rs + 1;
7339         while (paste_tabular->nrows() > rows)
7340                 paste_tabular->deleteRow(rows, true);
7341
7342         for (col_type c = 0; c < cs; ++c)
7343                 paste_tabular->deleteColumn(0, true);
7344
7345         col_type const columns = ce - cs + 1;
7346         while (paste_tabular->ncols() > columns)
7347                 paste_tabular->deleteColumn(columns, true);
7348
7349         paste_tabular->setBuffer(tabular.buffer());
7350
7351         odocstringstream os;
7352         OutputParams const runparams(nullptr);
7353         paste_tabular->plaintext(os, runparams, 0, true, '\t', INT_MAX);
7354         // Needed for the "Edit->Paste recent" menu and the system clipboard.
7355         cap::copySelection(cur, os.str());
7356
7357         // mark tabular stack dirty
7358         // FIXME: this is a workaround for bug 1919. Should be removed for 1.5,
7359         // when we (hopefully) have a one-for-all paste mechanism.
7360         // This must be called after cap::copySelection.
7361         dirtyTabularStack(true);
7362
7363         return true;
7364 }
7365
7366
7367 bool InsetTabular::pasteClipboard(Cursor & cur)
7368 {
7369         if (!paste_tabular)
7370                 return false;
7371         col_type actcol = tabular.cellColumn(cur.idx());
7372         row_type actrow = tabular.cellRow(cur.idx());
7373
7374         if (cur.selIsMultiCell()) {
7375                 row_type re;
7376                 col_type ce;
7377                 getSelection(cur, actrow, re, actcol, ce);
7378         }
7379
7380         col_type const oldncols = tabular.ncols();
7381         for (row_type r1 = 0, r2 = actrow; r1 < paste_tabular->nrows(); ++r1, ++r2) {
7382                 // Append rows if needed
7383                 if (r2 == tabular.nrows())
7384                         tabular.insertRow(r2 - 1, false);
7385                 for (col_type c1 = 0, c2 = actcol; c1 < paste_tabular->ncols(); ++c1, ++c2) {
7386                         // Append columns if needed
7387                         if (c2 == tabular.ncols())
7388                                 tabular.insertColumn(c2 - 1, false);
7389                         if (paste_tabular->isPartOfMultiColumn(r1, c1) &&
7390                               tabular.isPartOfMultiColumn(r2, c2))
7391                                 continue;
7392                         if (paste_tabular->isPartOfMultiColumn(r1, c1)) {
7393                                 --c2;
7394                                 continue;
7395                         }
7396                         if (tabular.isPartOfMultiColumn(r2, c2)) {
7397                                 --c1;
7398                                 continue;
7399                         }
7400                         shared_ptr<InsetTableCell> inset(
7401                                 new InsetTableCell(*paste_tabular->cellInset(r1, c1)));
7402                         tabular.setCellInset(r2, c2, inset);
7403                         // FIXME?: why do we need to do this explicitly? (EL)
7404                         tabular.cellInset(r2, c2)->setBuffer(tabular.buffer());
7405
7406                         if (lyxrc.ct_markup_copied) {
7407                                 // Only change to inserted if ct is active,
7408                                 // otherwise leave markup as is
7409                                 if (buffer().params().track_changes)
7410                                         inset->setChange(Change(Change::INSERTED));
7411                         } else
7412                                 // Resolve all markup to inserted or unchanged
7413                                 inset->setChange(Change(buffer().params().track_changes ?
7414                                                          Change::INSERTED : Change::UNCHANGED));
7415                         cur.pos() = 0;
7416                         cur.pit() = 0;
7417                 }
7418         }
7419         // amend cursor position if cols have been appended
7420         cur.idx() += actrow * (tabular.ncols() - oldncols);
7421         return true;
7422 }
7423
7424
7425 void InsetTabular::cutSelection(Cursor & cur)
7426 {
7427         if (!cur.selection())
7428                 return;
7429
7430         row_type rs, re;
7431         col_type cs, ce;
7432         getSelection(cur, rs, re, cs, ce);
7433         for (row_type r = rs; r <= re; ++r) {
7434                 for (col_type c = cs; c <= ce; ++c) {
7435                         shared_ptr<InsetTableCell> t
7436                                 = cell(tabular.cellIndex(r, c));
7437                         if (buffer().params().track_changes)
7438                                 // FIXME: Change tracking (MG)
7439                                 t->setChange(Change(Change::DELETED));
7440                         else
7441                                 t->clear();
7442                 }
7443         }
7444
7445         // cursor position might be invalid now
7446         if (cur.pit() > cur.lastpit())
7447                 cur.pit() = cur.lastpit();
7448         if (cur.pos() > cur.lastpos())
7449                 cur.pos() = cur.lastpos();
7450         cur.clearSelection();
7451 }
7452
7453
7454 bool InsetTabular::isRightToLeft(Cursor & cur) const
7455 {
7456         // LASSERT: It might be better to abandon this Buffer.
7457         LASSERT(cur.depth() > 1, return false);
7458         Paragraph const & parentpar = cur[cur.depth() - 2].paragraph();
7459         pos_type const parentpos = cur[cur.depth() - 2].pos();
7460         return parentpar.getFontSettings(buffer().params(),
7461                                          parentpos).language()->rightToLeft();
7462 }
7463
7464
7465 docstring InsetTabular::asString(idx_type stidx, idx_type enidx,
7466                                  bool intoInsets)
7467 {
7468         LASSERT(stidx <= enidx, return docstring());
7469         docstring retval;
7470         col_type const col1 = tabular.cellColumn(stidx);
7471         col_type const col2 = tabular.cellColumn(enidx);
7472         row_type const row1 = tabular.cellRow(stidx);
7473         row_type const row2 = tabular.cellRow(enidx);
7474         bool first = true;
7475         for (col_type col = col1; col <= col2; col++)
7476                 for (row_type row = row1; row <= row2; row++) {
7477                         if (!first)
7478                                 retval += "\n";
7479                         else
7480                                 first = false;
7481                         retval += tabular.cellInset(row, col)->asString(intoInsets);
7482                 }
7483         return retval;
7484 }
7485
7486
7487 ParagraphList InsetTabular::asParList(idx_type stidx, idx_type enidx)
7488 {
7489         LASSERT(stidx <= enidx, return ParagraphList());
7490         ParagraphList retval;
7491         col_type const col1 = tabular.cellColumn(stidx);
7492         col_type const col2 = tabular.cellColumn(enidx);
7493         row_type const row1 = tabular.cellRow(stidx);
7494         row_type const row2 = tabular.cellRow(enidx);
7495         for (col_type col = col1; col <= col2; col++)
7496                 for (row_type row = row1; row <= row2; row++)
7497                         for (auto const & par : tabular.cellInset(row, col)->paragraphs())
7498                                 retval.push_back(par);
7499         return retval;
7500 }
7501
7502
7503 void InsetTabular::getSelection(Cursor & cur,
7504         row_type & rs, row_type & re, col_type & cs, col_type & ce) const
7505 {
7506         CursorSlice const & beg = cur.selBegin();
7507         CursorSlice const & end = cur.selEnd();
7508         cs = tabular.cellColumn(beg.idx());
7509         ce = tabular.cellColumn(end.idx());
7510         if (cs > ce)
7511                 swap(cs, ce);
7512
7513         rs = tabular.cellRow(beg.idx());
7514         re = tabular.cellRow(end.idx());
7515         if (rs > re)
7516                 swap(rs, re);
7517 }
7518
7519
7520 Text * InsetTabular::getText(int idx) const
7521 {
7522         return size_t(idx) < nargs() ? cell(idx)->getText(0) : nullptr;
7523 }
7524
7525
7526 bool InsetTabular::isChanged() const
7527 {
7528         for (idx_type idx = 0; idx < nargs(); ++idx) {
7529                 if (cell(idx)->isChanged())
7530                         return true;
7531                 if (tabular.row_info[tabular.cellRow(idx)].change.changed())
7532                         return true;
7533                 if (tabular.column_info[tabular.cellColumn(idx)].change.changed())
7534                         return true;
7535         }
7536         return false;
7537 }
7538
7539
7540 void InsetTabular::setChange(Change const & change)
7541 {
7542         for (idx_type idx = 0; idx < nargs(); ++idx)
7543                 cell(idx)->setChange(change);
7544 }
7545
7546
7547 void InsetTabular::acceptChanges()
7548 {
7549         for (idx_type idx = 0; idx < nargs(); ++idx)
7550                 cell(idx)->acceptChanges();
7551         for (row_type row = 0; row < tabular.nrows(); ++row) {
7552                 if (tabular.row_info[row].change.inserted())
7553                         tabular.row_info[row].change.setUnchanged();
7554                 else if (tabular.row_info[row].change.deleted())
7555                         tabular.deleteRow(row, true);
7556         }
7557         for (col_type col = 0; col < tabular.ncols(); ++col) {
7558                 if (tabular.column_info[col].change.inserted())
7559                         tabular.column_info[col].change.setUnchanged();
7560                 else if (tabular.column_info[col].change.deleted())
7561                         tabular.deleteColumn(col, true);
7562         }
7563         tabular.updateIndexes();
7564 }
7565
7566
7567 void InsetTabular::rejectChanges()
7568 {
7569         for (idx_type idx = 0; idx < nargs(); ++idx)
7570                 cell(idx)->rejectChanges();
7571         for (row_type row = 0; row < tabular.nrows(); ++row) {
7572                 if (tabular.row_info[row].change.deleted())
7573                         tabular.row_info[row].change.setUnchanged();
7574                 else if (tabular.row_info[row].change.inserted())
7575                         tabular.deleteRow(row, true);
7576         }
7577         for (col_type col = 0; col < tabular.ncols(); ++col) {
7578                 if (tabular.column_info[col].change.deleted())
7579                         tabular.column_info[col].change.setUnchanged();
7580                 else if (tabular.column_info[col].change.inserted())
7581                         tabular.deleteColumn(col, true);
7582         }
7583         tabular.updateIndexes();
7584 }
7585
7586
7587 bool InsetTabular::allowParagraphCustomization(idx_type cell) const
7588 {
7589         return tabular.getPWidth(cell).zero();
7590 }
7591
7592
7593 bool InsetTabular::insertPlaintextString(BufferView & bv, docstring const & buf,
7594                                      bool usePaste)
7595 {
7596         if (buf.length() <= 0)
7597                 return true;
7598
7599         col_type cols = 1;
7600         row_type rows = 1;
7601         col_type maxCols = 1;
7602         size_t const len = buf.length();
7603         size_t p = 0;
7604
7605         while (p < len &&
7606                (p = buf.find_first_of(from_ascii("\t\n"), p)) != docstring::npos) {
7607                 switch (buf[p]) {
7608                 case '\t':
7609                         ++cols;
7610                         break;
7611                 case '\n':
7612                         if (p + 1 < len)
7613                                 ++rows;
7614                         maxCols = max(cols, maxCols);
7615                         cols = 1;
7616                         break;
7617                 }
7618                 ++p;
7619         }
7620         maxCols = max(cols, maxCols);
7621         Tabular * loctab;
7622         idx_type cell = 0;
7623         col_type ocol = 0;
7624         row_type row = 0;
7625         if (usePaste) {
7626                 paste_tabular.reset(new Tabular(buffer_, rows, maxCols));
7627                 loctab = paste_tabular.get();
7628                 dirtyTabularStack(true);
7629         } else {
7630                 loctab = &tabular;
7631                 cell = bv.cursor().idx();
7632                 ocol = tabular.cellColumn(cell);
7633                 row = tabular.cellRow(cell);
7634         }
7635
7636         size_t op = 0;
7637         idx_type cells = loctab->numberofcells;
7638         p = 0;
7639         cols = ocol;
7640         rows = loctab->nrows();
7641         col_type columns = loctab->ncols();
7642
7643         while (p < len &&
7644                (p = buf.find_first_of(from_ascii("\t\n"), p)) != docstring::npos)
7645         {
7646                 if (p >= len)
7647                         break;
7648                 switch (buf[p]) {
7649                 case '\t':
7650                         // append column if necessary
7651                         if (cols == columns) {
7652                                 loctab->appendColumn(cols - 1);
7653                                 columns = loctab->ncols();
7654                                 cells = loctab->numberofcells;
7655                                 ++cell;
7656                         }
7657                         if (cols < columns) {
7658                                 shared_ptr<InsetTableCell> inset = loctab->cellInset(cell);
7659                                 Font const font = bv.textMetrics(&inset->text()).
7660                                         displayFont(0, 0);
7661                                 inset->setText(buf.substr(op, p - op), font,
7662                                                buffer().params().track_changes);
7663                                 ++cols;
7664                                 ++cell;
7665                         }
7666                         break;
7667                 case '\n':
7668                         // we can only set this if we are not too far right
7669                         if (cols < columns) {
7670                                 shared_ptr<InsetTableCell> inset = tabular.cellInset(cell);
7671                                 Font const font = bv.textMetrics(&inset->text()).
7672                                         displayFont(0, 0);
7673                                 inset->setText(buf.substr(op, p - op), font,
7674                                                buffer().params().track_changes);
7675                         }
7676                         cols = ocol;
7677                         ++row;
7678                         // append row if necessary
7679                         if (row == rows && p < len - 1) {
7680                                 loctab->appendRow(row - 1);
7681                                 rows = loctab->nrows();
7682                                 cells = loctab->numberofcells;
7683                         }
7684                         if (row < rows)
7685                                 cell = loctab->cellIndex(row, cols);
7686                         break;
7687                 }
7688                 ++p;
7689                 op = p;
7690         }
7691         // check for the last cell if there is no trailing '\n'
7692         if (cell < cells && op < len) {
7693                 shared_ptr<InsetTableCell> inset = loctab->cellInset(cell);
7694                 Font const font = bv.textMetrics(&inset->text()).displayFont(0, 0);
7695                 inset->setText(buf.substr(op, len - op), font,
7696                         buffer().params().track_changes);
7697         }
7698         return true;
7699 }
7700
7701
7702 void InsetTabular::addPreview(DocIterator const & inset_pos,
7703         PreviewLoader & loader) const
7704 {
7705         DocIterator cell_pos = inset_pos;
7706
7707         cell_pos.push_back(CursorSlice(*const_cast<InsetTabular *>(this)));
7708         for (row_type r = 0; r < tabular.nrows(); ++r) {
7709                 for (col_type c = 0; c < tabular.ncols(); ++c) {
7710                         cell_pos.top().idx() = tabular.cellIndex(r, c);
7711                         tabular.cellInset(r, c)->addPreview(cell_pos, loader);
7712                 }
7713         }
7714 }
7715
7716
7717 bool InsetTabular::completionSupported(Cursor const & cur) const
7718 {
7719         Cursor const & bvCur = cur.bv().cursor();
7720         if (&bvCur.inset() != this)
7721                 return false;
7722         return cur.text()->completionSupported(cur);
7723 }
7724
7725
7726 bool InsetTabular::inlineCompletionSupported(Cursor const & cur) const
7727 {
7728         return completionSupported(cur);
7729 }
7730
7731
7732 bool InsetTabular::automaticInlineCompletion() const
7733 {
7734         return lyxrc.completion_inline_text;
7735 }
7736
7737
7738 bool InsetTabular::automaticPopupCompletion() const
7739 {
7740         return lyxrc.completion_popup_text;
7741 }
7742
7743
7744 bool InsetTabular::showCompletionCursor() const
7745 {
7746         return lyxrc.completion_cursor_text &&
7747                 (lyxrc.completion_inline_text || lyxrc.completion_popup_text);
7748 }
7749
7750
7751 CompletionList const * InsetTabular::createCompletionList(Cursor const & cur) const
7752 {
7753         return completionSupported(cur) ? cur.text()->createCompletionList(cur) : nullptr;
7754 }
7755
7756
7757 docstring InsetTabular::completionPrefix(Cursor const & cur) const
7758 {
7759         if (!completionSupported(cur))
7760                 return docstring();
7761         return cur.text()->completionPrefix(cur);
7762 }
7763
7764
7765 bool InsetTabular::insertCompletion(Cursor & cur, docstring const & s, bool /*finished*/)
7766 {
7767         if (!completionSupported(cur))
7768                 return false;
7769
7770         return cur.text()->insertCompletion(cur, s);
7771 }
7772
7773
7774 void InsetTabular::completionPosAndDim(Cursor const & cur, int & x, int & y,
7775                                     Dimension & dim) const
7776 {
7777         TextMetrics const & tm = cur.bv().textMetrics(cur.text());
7778         tm.completionPosAndDim(cur, x, y, dim);
7779 }
7780
7781
7782 void InsetTabular::string2params(string const & in, InsetTabular & inset)
7783 {
7784         istringstream data(in);
7785         Lexer lex;
7786         lex.setStream(data);
7787
7788         if (in.empty())
7789                 return;
7790
7791         string token;
7792         lex >> token;
7793         if (!lex || token != "tabular") {
7794                 LYXERR0("Expected arg 1 to be \"tabular\" in " << in);
7795                 return;
7796         }
7797
7798         // This is part of the inset proper that is usually swallowed
7799         // by Buffer::readInset
7800         lex >> token;
7801         if (!lex || token != "Tabular") {
7802                 LYXERR0("Expected arg 2 to be \"Tabular\" in " << in);
7803                 return;
7804         }
7805
7806         inset.read(lex);
7807 }
7808
7809
7810 string InsetTabular::params2string(InsetTabular const & inset)
7811 {
7812         ostringstream data;
7813         data << "tabular" << ' ';
7814         inset.write(data);
7815         data << "\\end_inset\n";
7816         return data.str();
7817 }
7818
7819
7820 void InsetTabular::setLayoutForHiddenCells(DocumentClass const & dc)
7821 {
7822         for (col_type c = 0; c < tabular.ncols(); ++c) {
7823                 for (row_type r = 0; r < tabular.nrows(); ++r) {
7824                         if (!tabular.isPartOfMultiColumn(r,c) &&
7825                             !tabular.isPartOfMultiRow(r,c))
7826                                 continue;
7827
7828                         ParagraphList & parlist = tabular.cellInset(r,c)->paragraphs();
7829                         ParagraphList::iterator it = parlist.begin();
7830                         ParagraphList::iterator const en = parlist.end();
7831                         for (; it != en; ++it)
7832                                         it->setLayout(dc.plainLayout());
7833                 }
7834         }
7835 }
7836
7837
7838 } // namespace lyx