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 "OutputParams.h"
  46 #include "xml.h"
  47 #include "output_xhtml.h"
  48 #include "Paragraph.h"
  49 #include "ParagraphParameters.h"
  50 #include "ParIterator.h"
  51 #include "TexRow.h"
  52 #include "texstream.h"
  53 #include "TextClass.h"
  54 #include "TextMetrics.h"
  55
  56 #include "frontends/Application.h"
  57 #include "frontends/alert.h"
  58 #include "frontends/Clipboard.h"
  59 #include "frontends/Painter.h"
  60 #include "frontends/Selection.h"
  61
  62 #include "support/convert.h"
  63 #include "support/debug.h"
  64 #include "support/docstream.h"
  65 #include "support/FileName.h"
  66 #include "support/gettext.h"
  67 #include "support/lassert.h"
  68 #include "support/lstrings.h"
  69 #include "support/unique_ptr.h"
  70
  71 #include <cstring>
  72 #include <iomanip>
  73 #include <iostream>
  74 #include <limits>
  75 #include <sstream>
  76
  77 using namespace std;
  78 using namespace lyx::support;
  79
  80
  81
  82 namespace lyx {
  83
  84 using cap::dirtyTabularStack;
  85 using cap::tabularStackDirty;
  86
  87 using graphics::PreviewLoader;
  88
  89 using frontend::Painter;
  90 using frontend::Clipboard;
  91
  92 namespace Alert = frontend::Alert;
  93
  94
  95 namespace {
  96
  97 int const ADD_TO_HEIGHT = 2; // in cell
  98 int const ADD_TO_TABULAR_WIDTH = 6; // horizontal space before and after the table
  99 int const default_line_space = 10; // ?
 100 int const WIDTH_OF_LINE = 5; // space between double lines
 101
 102
 103 ///
 104 unique_ptr<Tabular> paste_tabular;
 105
 106
 107 struct TabularFeature {
 108         Tabular::Feature action;
 109         string feature;
 110         bool need_value;
 111 };
 112
 113
 114 TabularFeature tabularFeature[] =
 115 {
 116         // the SET/UNSET actions are used by the table dialog,
 117         // the TOGGLE actions by the table toolbar buttons
 118         // FIXME: these values have been hardcoded in InsetMathGrid and other
 119         // math insets.
 120         { Tabular::APPEND_ROW, "append-row", false },
 121         { Tabular::APPEND_COLUMN, "append-column", false },
 122         { Tabular::DELETE_ROW, "delete-row", false },
 123         { Tabular::DELETE_COLUMN, "delete-column", false },
 124         { Tabular::COPY_ROW, "copy-row", false },
 125         { Tabular::COPY_COLUMN, "copy-column", false },
 126         { Tabular::MOVE_COLUMN_RIGHT, "move-column-right", false },
 127         { Tabular::MOVE_COLUMN_LEFT, "move-column-left", false },
 128         { Tabular::MOVE_ROW_DOWN, "move-row-down", false },
 129         { Tabular::MOVE_ROW_UP, "move-row-up", false },
 130         { Tabular::SET_LINE_TOP, "set-line-top", true },
 131         { Tabular::SET_LINE_BOTTOM, "set-line-bottom", true },
 132         { Tabular::SET_LTRIM_TOP, "set-ltrim-top", true },
 133         { Tabular::SET_LTRIM_BOTTOM, "set-ltrim-bottom", true },
 134         { Tabular::SET_RTRIM_TOP, "set-rtrim-top", true },
 135         { Tabular::SET_RTRIM_BOTTOM, "set-rtrim-bottom", true },
 136         { Tabular::SET_LINE_LEFT, "set-line-left", true },
 137         { Tabular::SET_LINE_RIGHT, "set-line-right", true },
 138         { Tabular::TOGGLE_LINE_TOP, "toggle-line-top", false },
 139         { Tabular::TOGGLE_LINE_BOTTOM, "toggle-line-bottom", false },
 140         { Tabular::TOGGLE_LINE_LEFT, "toggle-line-left", false },
 141         { Tabular::TOGGLE_LINE_RIGHT, "toggle-line-right", false },
 142         { Tabular::TOGGLE_LTRIM_TOP, "toggle-ltrim-top", false },
 143         { Tabular::TOGGLE_LTRIM_BOTTOM, "toggle-ltrim-bottom", false },
 144         { Tabular::TOGGLE_RTRIM_TOP, "toggle-rtrim-top", false },
 145         { Tabular::TOGGLE_RTRIM_BOTTOM, "toggle-rtrim-bottom", false },
 146         { Tabular::ALIGN_LEFT, "align-left", false },
 147         { Tabular::ALIGN_RIGHT, "align-right", false },
 148         { Tabular::ALIGN_CENTER, "align-center", false },
 149         { Tabular::ALIGN_BLOCK, "align-block", false },
 150         { Tabular::ALIGN_DECIMAL, "align-decimal", false },
 151         { Tabular::VALIGN_TOP, "valign-top", false },
 152         { Tabular::VALIGN_BOTTOM, "valign-bottom", false },
 153         { Tabular::VALIGN_MIDDLE, "valign-middle", false },
 154         { Tabular::M_ALIGN_LEFT, "m-align-left", false },
 155         { Tabular::M_ALIGN_RIGHT, "m-align-right", false },
 156         { Tabular::M_ALIGN_CENTER, "m-align-center", false },
 157         { Tabular::M_VALIGN_TOP, "m-valign-top", false },
 158         { Tabular::M_VALIGN_BOTTOM, "m-valign-bottom", false },
 159         { Tabular::M_VALIGN_MIDDLE, "m-valign-middle", false },
 160         { Tabular::MULTICOLUMN, "multicolumn", false },
 161         { Tabular::SET_MULTICOLUMN, "set-multicolumn", false },
 162         { Tabular::UNSET_MULTICOLUMN, "unset-multicolumn", false },
 163         { Tabular::MULTIROW, "multirow", false },
 164         { Tabular::SET_MULTIROW, "set-multirow", false },
 165         { Tabular::UNSET_MULTIROW, "unset-multirow", false },
 166         { Tabular::SET_MROFFSET, "set-mroffset", true },
 167         { Tabular::SET_ALL_LINES, "set-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::TABULAR_VALIGN_TOP, "tabular-valign-top", false},
 206         { Tabular::TABULAR_VALIGN_MIDDLE, "tabular-valign-middle", false},
 207         { Tabular::TABULAR_VALIGN_BOTTOM, "tabular-valign-bottom", false},
 208         { Tabular::LONGTABULAR_ALIGN_LEFT, "longtabular-align-left", false },
 209         { Tabular::LONGTABULAR_ALIGN_CENTER, "longtabular-align-center", false },
 210         { Tabular::LONGTABULAR_ALIGN_RIGHT, "longtabular-align-right", false },
 211         { Tabular::SET_DECIMAL_POINT, "set-decimal-point", true },
 212         { Tabular::SET_TABULAR_WIDTH, "set-tabular-width", true },
 213         { Tabular::SET_INNER_LINES, "set-inner-lines", false },
 214         { Tabular::LAST_ACTION, "", false }
 215 };
 216
 217
 218 string const tostr(LyXAlignment const & num)
 219 {
 220         switch (num) {
 221         case LYX_ALIGN_NONE:
 222                 return "none";
 223         case LYX_ALIGN_BLOCK:
 224                 return "block";
 225         case LYX_ALIGN_LEFT:
 226                 return "left";
 227         case LYX_ALIGN_CENTER:
 228                 return "center";
 229         case LYX_ALIGN_RIGHT:
 230                 return "right";
 231         case LYX_ALIGN_LAYOUT:
 232                 return "layout";
 233         case LYX_ALIGN_SPECIAL:
 234                 return "special";
 235         case LYX_ALIGN_DECIMAL:
 236                 return "decimal";
 237         }
 238         return string();
 239 }
 240
 241
 242 string const tostr(Tabular::HAlignment const & num)
 243 {
 244         switch (num) {
 245         case Tabular::LYX_LONGTABULAR_ALIGN_LEFT:
 246                 return "left";
 247         case Tabular::LYX_LONGTABULAR_ALIGN_CENTER:
 248                 return "center";
 249         case Tabular::LYX_LONGTABULAR_ALIGN_RIGHT:
 250                 return "right";
 251         }
 252         return string();
 253 }
 254
 255
 256 string const tostr(Tabular::VAlignment const & num)
 257 {
 258         switch (num) {
 259         case Tabular::LYX_VALIGN_TOP:
 260                 return "top";
 261         case Tabular::LYX_VALIGN_MIDDLE:
 262                 return "middle";
 263         case Tabular::LYX_VALIGN_BOTTOM:
 264                 return "bottom";
 265         }
 266         return string();
 267 }
 268
 269
 270 string const tostr(Tabular::BoxType const & num)
 271 {
 272         switch (num) {
 273         case Tabular::BOX_NONE:
 274                 return "none";
 275         case Tabular::BOX_PARBOX:
 276                 return "parbox";
 277         case Tabular::BOX_MINIPAGE:
 278                 return "minipage";
 279         case Tabular::BOX_VARWIDTH:
 280                 return "varwidth";
 281         }
 282         return string();
 283 }
 284
 285
 286 // I would have liked a fromstr template a lot better. (Lgb)
 287 bool string2type(string const & str, LyXAlignment & num)
 288 {
 289         if (str == "none")
 290                 num = LYX_ALIGN_NONE;
 291         else if (str == "block")
 292                 num = LYX_ALIGN_BLOCK;
 293         else if (str == "left")
 294                 num = LYX_ALIGN_LEFT;
 295         else if (str == "center")
 296                 num = LYX_ALIGN_CENTER;
 297         else if (str == "right")
 298                 num = LYX_ALIGN_RIGHT;
 299         else if (str == "decimal")
 300                 num = LYX_ALIGN_DECIMAL;
 301         else
 302                 return false;
 303         return true;
 304 }
 305
 306
 307 bool string2type(string const & str, Tabular::HAlignment & num)
 308 {
 309         if (str == "left")
 310                 num = Tabular::LYX_LONGTABULAR_ALIGN_LEFT;
 311         else if (str == "center" )
 312                 num = Tabular::LYX_LONGTABULAR_ALIGN_CENTER;
 313         else if (str == "right")
 314                 num = Tabular::LYX_LONGTABULAR_ALIGN_RIGHT;
 315         else
 316                 return false;
 317         return true;
 318 }
 319
 320
 321 bool string2type(string const & str, Tabular::VAlignment & num)
 322 {
 323         if (str == "top")
 324                 num = Tabular::LYX_VALIGN_TOP;
 325         else if (str == "middle" )
 326                 num = Tabular::LYX_VALIGN_MIDDLE;
 327         else if (str == "bottom")
 328                 num = Tabular::LYX_VALIGN_BOTTOM;
 329         else
 330                 return false;
 331         return true;
 332 }
 333
 334
 335 bool string2type(string const & str, Tabular::BoxType & num)
 336 {
 337         if (str == "none")
 338                 num = Tabular::BOX_NONE;
 339         else if (str == "parbox")
 340                 num = Tabular::BOX_PARBOX;
 341         else if (str == "minipage")
 342                 num = Tabular::BOX_MINIPAGE;
 343         else if (str == "varwidth")
 344                 num = Tabular::BOX_VARWIDTH;
 345         else
 346                 return false;
 347         return true;
 348 }
 349
 350
 351 bool string2type(string const & str, bool & num)
 352 {
 353         if (str == "true")
 354                 num = true;
 355         else if (str == "false")
 356                 num = false;
 357         else
 358                 return false;
 359         return true;
 360 }
 361
 362
 363 bool getTokenValue(string const & str, char const * token, string & ret)
 364 {
 365         ret.erase();
 366         size_t token_length = strlen(token);
 367         size_t pos = str.find(token);
 368
 369         if (pos == string::npos || pos + token_length + 1 >= str.length()
 370                 || str[pos + token_length] != '=')
 371                 return false;
 372         pos += token_length + 1;
 373         char ch = str[pos];
 374         if (ch != '"' && ch != '\'') { // only read till next space
 375                 ret += ch;
 376                 ch = ' ';
 377         }
 378         while (pos < str.length() - 1 && str[++pos] != ch)
 379                 ret += str[pos];
 380
 381         return true;
 382 }
 383
 384
 385 bool getTokenValue(string const & str, char const * token, docstring & ret)
 386 {
 387         string tmp;
 388         bool const success = getTokenValue(str, token, tmp);
 389         ret = from_utf8(tmp);
 390         return success;
 391 }
 392
 393
 394 bool getTokenValue(string const & str, char const * token, int & num)
 395 {
 396         string tmp;
 397         num = 0;
 398         if (!getTokenValue(str, token, tmp))
 399                 return false;
 400         num = convert<int>(tmp);
 401         return true;
 402 }
 403
 404
 405 bool getTokenValue(string const & str, char const * token, LyXAlignment & num)
 406 {
 407         string tmp;
 408         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 409 }
 410
 411
 412 bool getTokenValue(string const & str, char const * token,
 413                                    Tabular::HAlignment & num)
 414 {
 415         string tmp;
 416         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 417 }
 418
 419
 420 bool getTokenValue(string const & str, char const * token,
 421                                    Tabular::VAlignment & num)
 422 {
 423         string tmp;
 424         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 425 }
 426
 427
 428 bool getTokenValue(string const & str, char const * token,
 429                                    Tabular::BoxType & num)
 430 {
 431         string tmp;
 432         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 433 }
 434
 435
 436 bool getTokenValue(string const & str, char const * token, bool & flag)
 437 {
 438         // set the flag always to false as this should be the default for bools
 439         // not in the file-format.
 440         flag = false;
 441         string tmp;
 442         return getTokenValue(str, token, tmp) && string2type(tmp, flag);
 443 }
 444
 445
 446 bool getTokenValue(string const & str, char const * token, Length & len)
 447 {
 448         // set the length to be zero() as default as this it should be if not
 449         // in the file format.
 450         len = Length();
 451         string tmp;
 452         return getTokenValue(str, token, tmp) && isValidLength(tmp, &len);
 453 }
 454
 455
 456 bool getTokenValue(string const & str, char const * token, Change & change, BufferParams & bp)
 457 {
 458         // set the change to be Change() as default as this it should be if not
 459         // in the file format.
 460         change = Change();
 461         string tmp;
 462         if (getTokenValue(str, token, tmp)) {
 463                 vector<string> const changedata = getVectorFromString(tmp, " ");
 464                 if (changedata.size() != 3) {
 465                         Alert::warning(_("Change tracking data incomplete"),
 466                                        _("Change tracking information for tabular row/column "
 467                                          "is incomplete. I will ignore this."));
 468                         return false;
 469                 }
 470                 BufferParams::AuthorMap const & am = bp.author_map_;
 471                 int aid = convert<int>(changedata[1]);
 472                 if (am.find(aid) == am.end()) {
 473                         // FIXME Use ErrorList
 474                         Alert::warning(_("Change tracking author index missing"),
 475                                 bformat(_("A change tracking author information for index "
 476                                           "%1$d is missing. This can happen after a wrong "
 477                                           "merge by a version control system. In this case, "
 478                                           "either fix the merge, or have this information "
 479                                           "missing until the corresponding tracked changes "
 480                                           "are merged or this user edits the file again.\n"),
 481                                         aid));
 482                         bp.addAuthor(Author(aid));
 483                 }
 484                 istringstream is(changedata[2]);
 485                 time_t ct;
 486                 is >> ct;
 487                 if (changedata[0] == "inserted") {
 488                         change = Change(Change::INSERTED, am.find(aid)->second, ct);
 489                         return true;
 490                 } else if (changedata[0] == "deleted") {
 491                         change = Change(Change::DELETED, am.find(aid)->second, ct);
 492                         return true;
 493                 }
 494         }
 495         return false;
 496 }
 497
 498
 499 bool getTokenValue(string const & str, char const * token, Length & len, bool & flag)
 500 {
 501         len = Length();
 502         flag = false;
 503         string tmp;
 504         if (!getTokenValue(str, token, tmp))
 505                 return false;
 506         if (tmp == "default") {
 507                 flag = true;
 508                 return  true;
 509         }
 510         return isValidLength(tmp, &len);
 511 }
 512
 513
 514 void l_getline(istream & is, string & str)
 515 {
 516         str.erase();
 517         while (str.empty()) {
 518                 getline(is, str);
 519                 if (!str.empty() && str[str.length() - 1] == '\r')
 520                         str.erase(str.length() - 1);
 521         }
 522 }
 523
 524 template <class T>
 525 string const write_attribute(string const & name, T const & t)
 526 {
 527         string const s = tostr(t);
 528         return s.empty() ? s : " " + name + "=\"" + s + "\"";
 529 }
 530
 531 template <>
 532 string const write_attribute(string const & name, string const & t)
 533 {
 534         return t.empty() ? t : " " + name + "=\"" + t + "\"";
 535 }
 536
 537
 538 template <>
 539 string const write_attribute(string const & name, docstring const & t)
 540 {
 541         return t.empty() ? string() : " " + name + "=\"" + to_utf8(t) + "\"";
 542 }
 543
 544
 545 template <>
 546 string const write_attribute(string const & name, bool const & b)
 547 {
 548         // we write only true attribute values so we remove a bit of the
 549         // file format bloat for tabulars.
 550         return b ? write_attribute(name, convert<string>(b)) : string();
 551 }
 552
 553
 554 template <>
 555 string const write_attribute(string const & name, int const & i)
 556 {
 557         // we write only true attribute values so we remove a bit of the
 558         // file format bloat for tabulars.
 559         return i ? write_attribute(name, convert<string>(i)) : string();
 560 }
 561
 562
 563 template <>
 564 string const write_attribute(string const & name, idx_type const & i)
 565 {
 566         // we write only true attribute values so we remove a bit of the
 567         // file format bloat for tabulars.
 568         return i ? write_attribute(name, convert<string>(i)) : string();
 569 }
 570
 571
 572 template <>
 573 string const write_attribute(string const & name, Length const & value)
 574 {
 575         // we write only the value if we really have one same reason as above.
 576         return value.zero() ? string() : write_attribute(name, value.asString());
 577 }
 578
 579 string const write_attribute(string const & name, Change const & change, BufferParams const & bp)
 580 {
 581         odocstringstream ods;
 582         if (change.inserted())
 583                 ods << from_ascii("inserted");
 584         else if (change.deleted())
 585                 ods << from_ascii("deleted");
 586         if (change.changed()) {
 587                 ods << " " << bp.authors().get(change.author).bufferId()
 588                     << " " << change.changetime;
 589                 return write_attribute(name, ods.str());
 590         }
 591         return string();
 592 }
 593
 594 } // namespace
 595
 596
 597 string const featureAsString(Tabular::Feature action)
 598 {
 599         for (size_t i = 0; i != Tabular::LAST_ACTION; ++i) {
 600                 if (tabularFeature[i].action == action)
 601                         return tabularFeature[i].feature;
 602         }
 603         return string();
 604 }
 605
 606
 607 DocIterator separatorPos(InsetTableCell const * cell, docstring const & align_d)
 608 {
 609         DocIterator dit = doc_iterator_begin(&(cell->buffer()), cell);
 610         for (; dit; dit.forwardChar())
 611                 if (dit.inTexted() && dit.depth() == 1
 612                         && dit.paragraph().find(align_d, false, false, dit.pos()))
 613                         break;
 614
 615         return dit;
 616 }
 617
 618
 619 InsetTableCell splitCell(InsetTableCell & head, docstring const & align_d, bool & hassep)
 620 {
 621         InsetTableCell tail = InsetTableCell(head);
 622         DocIterator const dit = separatorPos(&head, align_d);
 623         hassep = static_cast<bool>(dit);
 624         if (hassep) {
 625                 pos_type const psize = head.paragraphs().front().size();
 626                 head.paragraphs().front().eraseChars(dit.pos(), psize, false);
 627                 tail.paragraphs().front().eraseChars(0,
 628                         dit.pos() < psize ? dit.pos() + 1 : psize, false);
 629         }
 630
 631         return tail;
 632 }
 633
 634
 635 /////////////////////////////////////////////////////////////////////
 636 //
 637 // Tabular
 638 //
 639 /////////////////////////////////////////////////////////////////////
 640
 641
 642 Tabular::CellData::CellData(Buffer * buf)
 643         : cellno(0),
 644           width(0),
 645           multicolumn(Tabular::CELL_NORMAL),
 646           multirow(Tabular::CELL_NORMAL),
 647           alignment(LYX_ALIGN_CENTER),
 648           valignment(LYX_VALIGN_TOP),
 649           decimal_hoffset(0),
 650           decimal_width(0),
 651           voffset(0),
 652           top_line(false),
 653           bottom_line(false),
 654           left_line(false),
 655           right_line(false),
 656           top_line_rtrimmed(false),
 657           top_line_ltrimmed(false),
 658           bottom_line_rtrimmed(false),
 659           bottom_line_ltrimmed(false),
 660           usebox(BOX_NONE),
 661           rotate(0),
 662           inset(new InsetTableCell(buf))
 663 {
 664         inset->setBuffer(*buf);
 665 }
 666
 667
 668 Tabular::CellData::CellData(CellData const & cs)
 669         : cellno(cs.cellno),
 670           width(cs.width),
 671           multicolumn(cs.multicolumn),
 672           multirow(cs.multirow),
 673           mroffset(cs.mroffset),
 674           alignment(cs.alignment),
 675           valignment(cs.valignment),
 676           decimal_hoffset(cs.decimal_hoffset),
 677           decimal_width(cs.decimal_width),
 678           voffset(cs.voffset),
 679           top_line(cs.top_line),
 680           bottom_line(cs.bottom_line),
 681           left_line(cs.left_line),
 682           right_line(cs.right_line),
 683           top_line_rtrimmed(cs.top_line_rtrimmed),
 684           top_line_ltrimmed(cs.top_line_ltrimmed),
 685           bottom_line_rtrimmed(cs.bottom_line_rtrimmed),
 686           bottom_line_ltrimmed(cs.bottom_line_ltrimmed),
 687           usebox(cs.usebox),
 688           rotate(cs.rotate),
 689           align_special(cs.align_special),
 690           p_width(cs.p_width),
 691           inset(static_cast<InsetTableCell *>(cs.inset->clone()))
 692 {
 693 }
 694
 695 Tabular::CellData & Tabular::CellData::operator=(CellData const & cs)
 696 {
 697         if (&cs == this)
 698                 return *this;
 699         cellno = cs.cellno;
 700         width = cs.width;
 701         multicolumn = cs.multicolumn;
 702         multirow = cs.multirow;
 703         mroffset = cs.mroffset;
 704         alignment = cs.alignment;
 705         valignment = cs.valignment;
 706         decimal_hoffset = cs.decimal_hoffset;
 707         decimal_width = cs.decimal_width;
 708         voffset = cs.voffset;
 709         top_line = cs.top_line;
 710         bottom_line = cs.bottom_line;
 711         left_line = cs.left_line;
 712         right_line = cs.right_line;
 713         top_line_rtrimmed = cs.top_line_rtrimmed;
 714         top_line_ltrimmed = cs.top_line_ltrimmed;
 715         bottom_line_rtrimmed = cs.bottom_line_rtrimmed;
 716         bottom_line_ltrimmed = cs.bottom_line_ltrimmed;
 717         usebox = cs.usebox;
 718         rotate = cs.rotate;
 719         align_special = cs.align_special;
 720         p_width = cs.p_width;
 721         inset.reset(static_cast<InsetTableCell *>(cs.inset->clone()));
 722         return *this;
 723 }
 724
 725 Tabular::RowData::RowData()
 726         : ascent(0),
 727           descent(0),
 728           top_space_default(false),
 729           bottom_space_default(false),
 730           interline_space_default(false),
 731           endhead(false),
 732           endfirsthead(false),
 733           endfoot(false),
 734           endlastfoot(false),
 735           newpage(false),
 736           caption(false),
 737           change(Change())
 738 {}
 739
 740
 741 Tabular::ColumnData::ColumnData()
 742         : alignment(LYX_ALIGN_CENTER),
 743           valignment(LYX_VALIGN_TOP),
 744           width(0),
 745           varwidth(false),
 746           change(Change())
 747 {
 748 }
 749
 750
 751 Tabular::ltType::ltType()
 752         : set(false), topDL(false),
 753           bottomDL(false),
 754           empty(false)
 755 {}
 756
 757
 758 Tabular::Tabular(Buffer * buffer, row_type rows_arg, col_type columns_arg)
 759 {
 760         init(buffer, rows_arg, columns_arg);
 761 }
 762
 763
 764 void Tabular::setBuffer(Buffer & buffer)
 765 {
 766         buffer_ = &buffer;
 767         for (row_type i = 0; i < nrows(); ++i)
 768                 for (col_type j = 0; j < ncols(); ++j)
 769                         cell_info[i][j].inset->setBuffer(*buffer_);
 770 }
 771
 772
 773 // activates all lines and sets all widths to 0
 774 void Tabular::init(Buffer * buf, row_type rows_arg,
 775                       col_type columns_arg)
 776 {
 777         buffer_ = buf;
 778         row_info = row_vector(rows_arg);
 779         column_info = column_vector(columns_arg);
 780         cell_info = cell_vvector(rows_arg, cell_vector(columns_arg, CellData(buf)));
 781         row_info.reserve(10);
 782         column_info.reserve(10);
 783         cell_info.reserve(100);
 784         updateIndexes();
 785         is_long_tabular = false;
 786         tabular_valignment = LYX_VALIGN_MIDDLE;
 787         tabular_width = Length();
 788         longtabular_alignment = LYX_LONGTABULAR_ALIGN_CENTER;
 789         rotate = 0;
 790         use_booktabs = false;
 791         // set silly default lines
 792         for (row_type r = 0; r < nrows(); ++r)
 793                 for (col_type c = 0; c < ncols(); ++c) {
 794                         cell_info[r][c].inset->setBuffer(*buffer_);
 795                         cell_info[r][c].top_line = true;
 796                         cell_info[r][c].left_line = true;
 797                         cell_info[r][c].bottom_line = r == 0 || r == nrows() - 1;
 798                         cell_info[r][c].right_line = c == ncols() - 1;
 799                 }
 800 }
 801
 802
 803 void Tabular::deleteRow(row_type const row, bool const force)
 804 {
 805         // Not allowed to delete last row
 806         if (nrows() == 1)
 807                 return;
 808
 809         bool const ct = force ? false : buffer().params().track_changes;
 810
 811         for (col_type c = 0; c < ncols(); ++c) {
 812                 // Care about multirow cells
 813                 if (row + 1 < nrows() &&
 814                     cell_info[row][c].multirow == CELL_BEGIN_OF_MULTIROW &&
 815                     cell_info[row + 1][c].multirow == CELL_PART_OF_MULTIROW) {
 816                                 cell_info[row + 1][c].multirow = CELL_BEGIN_OF_MULTIROW;
 817                 }
 818         }
 819         if (ct)
 820                 row_info[row].change.setDeleted();
 821         else {
 822                 row_info.erase(row_info.begin() + row);
 823                 cell_info.erase(cell_info.begin() + row);
 824         }
 825         updateIndexes();
 826 }
 827
 828
 829 void Tabular::copyRow(row_type const row)
 830 {
 831         insertRow(row, true);
 832 }
 833
 834
 835 void Tabular::appendRow(row_type row)
 836 {
 837         insertRow(row, false);
 838 }
 839
 840
 841 void Tabular::insertRow(row_type const row, bool copy)
 842 {
 843         row_info.insert(row_info.begin() + row + 1, RowData(row_info[row]));
 844         cell_info.insert(cell_info.begin() + row + 1,
 845                 cell_vector(0, CellData(buffer_)));
 846
 847         for (col_type c = 0; c < ncols(); ++c) {
 848                 cell_info[row + 1].insert(cell_info[row + 1].begin() + c,
 849                         copy ? CellData(cell_info[row][c]) : CellData(buffer_));
 850                 if (cell_info[row][c].multirow == CELL_BEGIN_OF_MULTIROW)
 851                         cell_info[row + 1][c].multirow = CELL_PART_OF_MULTIROW;
 852         }
 853
 854         updateIndexes();
 855         for (col_type c = 0; c < ncols(); ++c) {
 856                 if (isPartOfMultiRow(row, c))
 857                         continue;
 858                 // inherit line settings
 859                 idx_type const i = cellIndex(row + 1, c);
 860                 idx_type const j = cellIndex(row, c);
 861                 setLeftLine(i, leftLine(j));
 862                 setRightLine(i, rightLine(j));
 863                 setTopLine(i, topLine(j));
 864                 if (topLine(j) && bottomLine(j)) {
 865                         setBottomLine(i, true);
 866                         setBottomLine(j, false);
 867                 }
 868         }
 869         if (buffer().params().track_changes) {
 870                 row_info[row + 1].change.setInserted();
 871                 updateIndexes();
 872         }
 873 }
 874
 875
 876 void Tabular::moveColumn(col_type col, ColDirection direction)
 877 {
 878         if (direction == Tabular::LEFT)
 879                 col = col - 1;
 880
 881         std::swap(column_info[col], column_info[col + 1]);
 882
 883         for (row_type r = 0; r < nrows(); ++r) {
 884                 std::swap(cell_info[r][col], cell_info[r][col + 1]);
 885                 std::swap(cell_info[r][col].left_line, cell_info[r][col + 1].left_line);
 886                 std::swap(cell_info[r][col].right_line, cell_info[r][col + 1].right_line);
 887
 888                 idx_type const i = cellIndex(r, col);
 889                 idx_type const j = cellIndex(r, col + 1);
 890                 if (buffer().params().track_changes) {
 891                         cellInfo(i).inset->setChange(Change(Change::INSERTED));
 892                         cellInfo(j).inset->setChange(Change(Change::INSERTED));
 893                 }
 894         }
 895         updateIndexes();
 896 }
 897
 898
 899 void Tabular::moveRow(row_type row, RowDirection direction)
 900 {
 901         if (direction == Tabular::UP)
 902                 row = row - 1;
 903
 904         std::swap(row_info[row], row_info[row + 1]);
 905
 906         for (col_type c = 0; c < ncols(); ++c) {
 907                 std::swap(cell_info[row][c], cell_info[row + 1][c]);
 908                 std::swap(cell_info[row][c].top_line, cell_info[row + 1][c].top_line);
 909                 std::swap(cell_info[row][c].bottom_line, cell_info[row + 1][c].bottom_line);
 910
 911                 idx_type const i = cellIndex(row, c);
 912                 idx_type const j = cellIndex(row + 1, c);
 913                 if (buffer().params().track_changes) {
 914                         cellInfo(i).inset->setChange(Change(Change::INSERTED));
 915                         cellInfo(j).inset->setChange(Change(Change::INSERTED));
 916                 }
 917         }
 918         updateIndexes();
 919 }
 920
 921
 922 void Tabular::deleteColumn(col_type const col, bool const force)
 923 {
 924         // Not allowed to delete last column
 925         if (ncols() == 1)
 926                 return;
 927
 928         bool const ct = force ? false : buffer().params().track_changes;
 929
 930         for (row_type r = 0; r < nrows(); ++r) {
 931                 // Care about multicolumn cells
 932                 if (col + 1 < ncols() &&
 933                     cell_info[r][col].multicolumn == CELL_BEGIN_OF_MULTICOLUMN &&
 934                     cell_info[r][col + 1].multicolumn == CELL_PART_OF_MULTICOLUMN) {
 935                                 cell_info[r][col + 1].multicolumn = CELL_BEGIN_OF_MULTICOLUMN;
 936                 }
 937                 if (!ct)
 938                         cell_info[r].erase(cell_info[r].begin() + col);
 939         }
 940         if (ct)
 941                 column_info[col].change.setDeleted();
 942         else
 943                 column_info.erase(column_info.begin() + col);
 944         updateIndexes();
 945 }
 946
 947
 948 void Tabular::copyColumn(col_type const col)
 949 {
 950         insertColumn(col, true);
 951 }
 952
 953
 954 void Tabular::appendColumn(col_type col)
 955 {
 956         insertColumn(col, false);
 957 }
 958
 959
 960 void Tabular::insertColumn(col_type const col, bool copy)
 961 {
 962         bool const ct = buffer().params().track_changes;
 963         column_info.insert(column_info.begin() + col + 1, ColumnData(column_info[col]));
 964
 965         for (row_type r = 0; r < nrows(); ++r) {
 966                 cell_info[r].insert(cell_info[r].begin() + col + 1,
 967                         copy ? CellData(cell_info[r][col]) : CellData(buffer_));
 968                 if (cell_info[r][col].multicolumn == CELL_BEGIN_OF_MULTICOLUMN)
 969                         cell_info[r][col + 1].multicolumn = CELL_PART_OF_MULTICOLUMN;
 970         }
 971         updateIndexes();
 972         for (row_type r = 0; r < nrows(); ++r) {
 973                 // inherit line settings
 974                 idx_type const i = cellIndex(r, col + 1);
 975                 idx_type const j = cellIndex(r, col);
 976                 setBottomLine(i, bottomLine(j));
 977                 setTopLine(i, topLine(j));
 978                 setLeftLine(i, leftLine(j));
 979                 setRightLine(i, rightLine(j));
 980                 if (rightLine(i) && rightLine(j)) {
 981                         setRightLine(j, false);
 982                 }
 983         }
 984         if (ct) {
 985                 column_info[col + 1].change.setInserted();
 986                 updateIndexes();
 987         }
 988 }
 989
 990
 991 void Tabular::updateIndexes()
 992 {
 993         setBuffer(buffer());
 994         numberofcells = 0;
 995         // reset cell number
 996         for (row_type row = 0; row < nrows(); ++row)
 997                 for (col_type column = 0; column < ncols(); ++column) {
 998                         if (!isPartOfMultiColumn(row, column)
 999                                 && !isPartOfMultiRow(row, column))
1000                                 ++numberofcells;
1001                         if (isPartOfMultiRow(row, column))
1002                                 cell_info[row][column].cellno = cell_info[row - 1][column].cellno;
1003                         else
1004                                 cell_info[row][column].cellno = numberofcells - 1;
1005                 }
1006
1007         rowofcell.resize(numberofcells);
1008         columnofcell.resize(numberofcells);
1009         idx_type i = 0;
1010         // reset column and row of cells and update their width, alignment and ct status
1011         for (row_type row = 0; row < nrows(); ++row) {
1012                 for (col_type column = 0; column < ncols(); ++column) {
1013                         if (isPartOfMultiColumn(row, column)) {
1014                                 cell_info[row][column].inset->toggleMultiCol(true);
1015                                 continue;
1016                         }
1017                         cell_info[row][column].inset->toggleMultiCol(false);
1018                         // columnofcell needs to be called before setting width and alignment
1019                         // multirow cells inherit the width from the column width
1020                         if (!isPartOfMultiRow(row, column)) {
1021                                 columnofcell[i] = column;
1022                                 rowofcell[i] = row;
1023                         }
1024                         setFixedWidth(row, column);
1025                         if (isPartOfMultiRow(row, column)) {
1026                                 cell_info[row][column].inset->toggleMultiRow(true);
1027                                 continue;
1028                         }
1029                         cell_info[row][column].inset->toggleMultiRow(false);
1030                         cell_info[row][column].inset->setContentAlignment(
1031                                 getAlignment(cellIndex(row, column)));
1032                         if (buffer().params().track_changes) {
1033                                 if (row_info[row].change.changed())
1034                                         cell_info[row][column].inset->setChange(row_info[row].change);
1035                                 if (column_info[column].change.changed())
1036                                         cell_info[row][column].inset->setChange(column_info[column].change);
1037                         }
1038                         ++i;
1039                 }
1040         }
1041 }
1042
1043
1044 idx_type Tabular::numberOfCellsInRow(row_type const row) const
1045 {
1046         idx_type result = 0;
1047         for (col_type c = 0; c < ncols(); ++c)
1048                 if (cell_info[row][c].multicolumn != Tabular::CELL_PART_OF_MULTICOLUMN)
1049                         ++result;
1050         return result;
1051 }
1052
1053
1054 bool Tabular::topLine(idx_type const cell) const
1055 {
1056         return cellInfo(cell).top_line;
1057 }
1058
1059
1060 bool Tabular::bottomLine(idx_type const cell) const
1061 {
1062         return cellInfo(cell).bottom_line;
1063 }
1064
1065
1066 bool Tabular::leftLine(idx_type cell, bool const ignore_bt) const
1067 {
1068         if (use_booktabs && !ignore_bt)
1069                 return false;
1070         return cellInfo(cell).left_line;
1071 }
1072
1073
1074 bool Tabular::rightLine(idx_type cell, bool const ignore_bt) const
1075 {
1076         if (use_booktabs && !ignore_bt)
1077                 return false;
1078         return cellInfo(cell).right_line;
1079 }
1080
1081
1082 pair<bool, bool> Tabular::topLineTrim(idx_type const cell) const
1083 {
1084         if (!use_booktabs)
1085                 return make_pair(false, false);
1086         return make_pair(cellInfo(cell).top_line_ltrimmed,
1087                          cellInfo(cell).top_line_rtrimmed);
1088 }
1089
1090
1091 pair<bool, bool> Tabular::bottomLineTrim(idx_type const cell) const
1092 {
1093         if (!use_booktabs)
1094                 return make_pair(false, false);
1095         return make_pair(cellInfo(cell).bottom_line_ltrimmed,
1096                          cellInfo(cell).bottom_line_rtrimmed);
1097 }
1098
1099
1100 int Tabular::interRowSpace(row_type row) const
1101 {
1102         if (!row || row >= nrows())
1103                 return 0;
1104
1105         int const interline_space = row_info[row - 1].interline_space_default ?
1106                 default_line_space :
1107                 row_info[row - 1].interline_space.inPixels(width());
1108         if (rowTopLine(row) && rowBottomLine(row - 1))
1109                 return interline_space + WIDTH_OF_LINE;
1110         return interline_space;
1111 }
1112
1113
1114 int Tabular::interColumnSpace(idx_type cell) const
1115 {
1116         col_type const nextcol = cellColumn(cell) + columnSpan(cell);
1117         if (rightLine(cell) && nextcol < ncols()
1118                 && leftLine(cellIndex(cellRow(cell), nextcol)))
1119                 return WIDTH_OF_LINE;
1120         return 0;
1121 }
1122
1123
1124 int Tabular::cellWidth(idx_type cell) const
1125 {
1126         int w = 0;
1127         col_type const span = columnSpan(cell);
1128         col_type const col = cellColumn(cell);
1129         for(col_type c = col; c < col + span ; ++c)
1130                 w += column_info[c].width;
1131         return w;
1132 }
1133
1134
1135 int Tabular::cellHeight(idx_type cell) const
1136 {
1137         row_type const span = rowSpan(cell);
1138         row_type const row = cellRow(cell);
1139         int h = 0;
1140         for(row_type r = row; r < row + span ; ++r) {
1141                 h += rowAscent(r) + rowDescent(r);
1142                 if (r != row + span - 1)
1143                         h += interRowSpace(r + 1);
1144         }
1145
1146         return h;
1147 }
1148
1149
1150 bool Tabular::updateColumnWidths(MetricsInfo & mi)
1151 {
1152         vector<int> max_dwidth(ncols(), 0);
1153         // collect max. fixed width of column
1154         map<col_type, int> max_pwidth;
1155         // collect max. variable width of column
1156         map<col_type, int> max_width;
1157
1158         for(col_type c = 0; c < ncols(); ++c)
1159                 for(row_type r = 0; r < nrows(); ++r) {
1160                         idx_type const i = cellIndex(r, c);
1161                         if (getAlignment(i) == LYX_ALIGN_DECIMAL)
1162                                 max_dwidth[c] = max(max_dwidth[c], cell_info[r][c].decimal_width);
1163                         if (!getPWidth(i).zero())
1164                                 max_pwidth[c] = max(max_pwidth[c], cell_info[r][c].width);
1165                         else if (!column_info[c].varwidth)
1166                                 max_width[c] = max(max_width[c], cell_info[r][c].width);
1167                 }
1168
1169         // If we have a fixed tabular width, we take this into account
1170         Length tab_width = tabular_width;
1171         bool const tabularx = hasVarwidthColumn();
1172         if (tabularx && tab_width.zero())
1173                 // If no tabular width is specified with X columns,
1174                 // we use 100% colwidth
1175                 tab_width = Length(100, Length::PCW);
1176         int restwidth = -1;
1177         if (!tab_width.zero()) {
1178                 restwidth = mi.base.inPixels(tab_width);
1179                 // Subtract the fixed widths from the table width
1180                 for (auto const & w : max_pwidth)
1181                         restwidth -= w.second;
1182         }
1183
1184         // If we have a fixed width, distribute the available table width
1185         // (minus the fixed widths) to the variable-width columns
1186         int vcolwidth = -1;
1187         int restcols = ncols() - max_pwidth.size();
1188         if ((restwidth > 0) && (restcols != 0))
1189                 vcolwidth = restwidth / restcols;
1190
1191         // Now consider that some variable width columns exceed the vcolwidth
1192         if (vcolwidth > 0) {
1193                 bool changed = false;
1194                 for (auto const & w : max_width) {
1195                         if (tabularx || w.second > vcolwidth) {
1196                                 --restcols;
1197                                 restwidth -= w.second;
1198                                 changed = true;
1199                         }
1200                 }
1201                 if (changed && restwidth > 0)
1202                         vcolwidth = restwidth / restcols;
1203         }
1204
1205         bool update = false;
1206         // for each col get max of single col cells
1207         for(col_type c = 0; c < ncols(); ++c) {
1208                 int new_width = 0;
1209                 for(row_type r = 0; r < nrows(); ++r) {
1210                         idx_type const i = cellIndex(r, c);
1211                         if (columnSpan(i) == 1) {
1212                                 if (getAlignment(i) == LYX_ALIGN_DECIMAL
1213                                         && cell_info[r][c].decimal_width != 0)
1214                                         new_width = max(new_width, cellInfo(i).width
1215                                                 + max_dwidth[c] - cellInfo(i).decimal_width);
1216                                 else if (getPWidth(i).zero() && vcolwidth > 0) {
1217                                         if (tabularx && !column_info[c].varwidth)
1218                                                 new_width = max(new_width, cellInfo(i).width);
1219                                         else if (tabularx)
1220                                                 new_width = vcolwidth;
1221                                         else
1222                                                 new_width = max(vcolwidth, max(new_width, cellInfo(i).width));
1223                                 } else
1224                                         new_width = max(new_width, cellInfo(i).width);
1225                         }
1226                 }
1227
1228                 if (column_info[c].width != new_width) {
1229                         column_info[c].width = new_width;
1230                         // Do not trigger update when no space is left for variable
1231                         // columns, as this will loop
1232                         update = tab_width.zero() || restwidth > 0;
1233                 }
1234         }
1235         // update col widths to fit merged cells
1236         for(col_type c = 0; c < ncols(); ++c)
1237                 for(row_type r = 0; r < nrows(); ++r) {
1238                         idx_type const i = cellIndex(r, c);
1239                         int const span = columnSpan(i);
1240                         if (span == 1 || c > cellColumn(i))
1241                                 continue;
1242
1243                         int old_width = 0;
1244                         for(col_type j = c; j < c + span ; ++j)
1245                                 old_width += column_info[j].width;
1246
1247                         if (cellInfo(i).width > old_width) {
1248                                 column_info[c + span - 1].width += cellInfo(i).width - old_width;
1249                                 // Do not trigger update when no space is left for variable
1250                                 // columns, as this will loop
1251                                 update = tab_width.zero() || restwidth > 0;
1252                         }
1253                 }
1254
1255         return update;
1256 }
1257
1258
1259 int Tabular::width() const
1260 {
1261         int width = 0;
1262         for (col_type c = 0; c < ncols(); ++c)
1263                 width += column_info[c].width;
1264         return width;
1265 }
1266
1267
1268 void Tabular::setAlignment(idx_type cell, LyXAlignment align,
1269                               bool has_width)
1270 {
1271         col_type const col = cellColumn(cell);
1272         // set alignment for the whole row if we are not in a multicolumn cell,
1273         // exclude possible multicolumn cells in the row
1274         if (!isMultiColumn(cell)) {
1275                 for (row_type r = 0; r < nrows(); ++r) {
1276                         // only if the column has no width the multirow inherits the
1277                         // alignment of the column, otherwise it is left aligned
1278                         if (!(isMultiRow(cellIndex(r, col)) && has_width)
1279                                 && !isMultiColumn(cellIndex(r, col))) {
1280                                 cell_info[r][col].alignment = align;
1281                                 cell_info[r][col].inset->setContentAlignment(align);
1282                         }
1283                         if ((isMultiRow(cellIndex(r, col)) && has_width)
1284                                 && !isMultiColumn(cellIndex(r, col))) {
1285                                 cell_info[r][col].alignment = LYX_ALIGN_LEFT;
1286                                 cell_info[r][col].inset->setContentAlignment(LYX_ALIGN_LEFT);
1287                         }
1288                 }
1289                 column_info[col].alignment = align;
1290                 docstring & dpoint = column_info[col].decimal_point;
1291                 if (align == LYX_ALIGN_DECIMAL && dpoint.empty()) {
1292                         Language const * tlang = buffer().paragraphs().front().getParLanguage(buffer().params());
1293                         dpoint = tlang->decimalSeparator();
1294                 }
1295         } else {
1296                 cellInfo(cell).alignment = align;
1297                 cellInset(cell)->setContentAlignment(align);
1298         }
1299 }
1300
1301
1302 void Tabular::setVAlignment(idx_type cell, VAlignment align,
1303                                bool onlycolumn)
1304 {
1305         if (!isMultiColumn(cell) || onlycolumn)
1306                 column_info[cellColumn(cell)].valignment = align;
1307         if (!onlycolumn)
1308                 cellInfo(cell).valignment = align;
1309 }
1310
1311
1312 namespace {
1313
1314 /**
1315  * Allow line and paragraph breaks for fixed width multicol/multirow cells
1316  * or disallow them, merge cell paragraphs and reset layout to standard
1317  * for variable width multicol cells.
1318  */
1319 void toggleFixedWidth(Cursor & cur, InsetTableCell * inset,
1320                       bool const fixedWidth, bool const multicol,
1321                       bool const multirow)
1322 {
1323         inset->toggleFixedWidth(fixedWidth);
1324         if (!multirow && (fixedWidth || !multicol))
1325                 return;
1326
1327         // merge all paragraphs to one
1328         BufferParams const & bp = cur.bv().buffer().params();
1329         while (inset->paragraphs().size() > 1)
1330                 mergeParagraph(bp, inset->paragraphs(), 0);
1331
1332         // This is relevant for multirows
1333         if (fixedWidth)
1334                 return;
1335
1336         // remove newlines
1337         ParagraphList::iterator pit = inset->paragraphs().begin();
1338         for (; pit != inset->paragraphs().end(); ++pit) {
1339                 for (pos_type j = 0; j != pit->size(); ++j) {
1340                         if (pit->isNewline(j))
1341                                 pit->eraseChar(j, bp.track_changes);
1342                 }
1343         }
1344
1345         // reset layout
1346         cur.push(*inset);
1347         // undo information has already been recorded
1348         inset->getText(0)->setLayout(0, cur.lastpit() + 1,
1349                         bp.documentClass().plainLayoutName());
1350         cur.pop();
1351 }
1352
1353 } // namespace
1354
1355
1356 void Tabular::setColumnPWidth(Cursor & cur, idx_type cell,
1357                 Length const & width)
1358 {
1359         col_type const c = cellColumn(cell);
1360
1361         column_info[c].p_width = width;
1362         // reset the vertical alignment to top if the fixed width
1363         // is removed or zero because only fixed width columns can
1364         // have a vertical alignment
1365         if (column_info[c].p_width.zero())
1366                 column_info[c].valignment = LYX_VALIGN_TOP;
1367         for (row_type r = 0; r < nrows(); ++r) {
1368                 idx_type const cidx = cellIndex(r, c);
1369                 // because of multicolumns
1370                 toggleFixedWidth(cur, cellInset(cidx).get(),
1371                                  !getPWidth(cidx).zero(), isMultiColumn(cidx),
1372                                  isMultiRow(cidx));
1373                 if (isMultiRow(cidx))
1374                         setAlignment(cidx, LYX_ALIGN_LEFT, false);
1375         }
1376         // cur can become invalid after paragraphs were merged
1377         cur.fixIfBroken();
1378 }
1379
1380
1381 bool Tabular::setFixedWidth(row_type r, col_type c)
1382 {
1383         bool const multicol = cell_info[r][c].multicolumn != CELL_NORMAL;
1384         bool const fixed_width = (!column_info[c].p_width.zero() && !multicol)
1385               || (multicol && !cell_info[r][c].p_width.zero());
1386         cell_info[r][c].inset->toggleFixedWidth(fixed_width);
1387         return fixed_width;
1388 }
1389
1390
1391 bool Tabular::setMColumnPWidth(Cursor & cur, idx_type cell,
1392                 Length const & width)
1393 {
1394         if (!isMultiColumn(cell))
1395                 return false;
1396
1397         cellInfo(cell).p_width = width;
1398         toggleFixedWidth(cur, cellInset(cell).get(), !width.zero(),
1399                          isMultiColumn(cell), isMultiRow(cell));
1400         // cur can become invalid after paragraphs were merged
1401         cur.fixIfBroken();
1402         return true;
1403 }
1404
1405
1406 bool Tabular::toggleVarwidth(idx_type cell, bool const varwidth)
1407 {
1408         column_info[cellColumn(cell)].varwidth = varwidth;
1409         return true;
1410 }
1411
1412
1413 bool Tabular::setMROffset(Cursor &, idx_type cell, Length const & mroffset)
1414 {
1415         cellInfo(cell).mroffset = mroffset;
1416         return true;
1417 }
1418
1419
1420 void Tabular::setAlignSpecial(idx_type cell, docstring const & special,
1421                                  Tabular::Feature what)
1422 {
1423         if (what == SET_SPECIAL_MULTICOLUMN)
1424                 cellInfo(cell).align_special = special;
1425         else
1426                 column_info[cellColumn(cell)].align_special = special;
1427 }
1428
1429
1430 void Tabular::setTopLine(idx_type i, bool line)
1431 {
1432         cellInfo(i).top_line = line;
1433 }
1434
1435
1436 void Tabular::setBottomLine(idx_type i, bool line)
1437 {
1438         cellInfo(i).bottom_line = line;
1439 }
1440
1441
1442 void Tabular::setTopLineLTrim(idx_type i, bool val)
1443 {
1444         cellInfo(i).top_line_ltrimmed = val;
1445 }
1446
1447
1448 void Tabular::setTopLineRTrim(idx_type i, bool val)
1449 {
1450         cellInfo(i).top_line_rtrimmed = val;
1451 }
1452
1453
1454 void Tabular::setBottomLineLTrim(idx_type i, bool val)
1455 {
1456         cellInfo(i).bottom_line_ltrimmed = val;
1457 }
1458
1459
1460 void Tabular::setBottomLineRTrim(idx_type i, bool val)
1461 {
1462         cellInfo(i).bottom_line_rtrimmed = val;
1463 }
1464
1465
1466 void Tabular::setTopLineTrim(idx_type i, pair<bool, bool> trim)
1467 {
1468         setTopLineLTrim(i, trim.first);
1469         setTopLineRTrim(i, trim.second);
1470 }
1471
1472 void Tabular::setBottomLineTrim(idx_type i, pair<bool, bool> trim)
1473 {
1474         setBottomLineLTrim(i, trim.first);
1475         setBottomLineRTrim(i, trim.second);
1476 }
1477
1478 void Tabular::setLeftLine(idx_type cell, bool line)
1479 {
1480         cellInfo(cell).left_line = line;
1481 }
1482
1483
1484 void Tabular::setRightLine(idx_type cell, bool line)
1485 {
1486         cellInfo(cell).right_line = line;
1487 }
1488
1489 bool Tabular::rowTopLine(row_type r) const
1490 {
1491         bool all_rows_set = true;
1492         for (col_type c = 0; all_rows_set && c < ncols(); ++c)
1493                 all_rows_set = cellInfo(cellIndex(r, c)).top_line;
1494         return all_rows_set;
1495 }
1496
1497
1498 bool Tabular::rowBottomLine(row_type r) const
1499 {
1500         bool all_rows_set = true;
1501         for (col_type c = 0; all_rows_set && c < ncols(); ++c)
1502                 all_rows_set = cellInfo(cellIndex(r, c)).bottom_line;
1503         return all_rows_set;
1504 }
1505
1506
1507 bool Tabular::columnLeftLine(col_type c) const
1508 {
1509         if (use_booktabs)
1510                 return false;
1511
1512         int nrows_left = 0;
1513         int total = 0;
1514         for (row_type r = 0; r < nrows(); ++r) {
1515                 idx_type const i = cellIndex(r, c);
1516                 if (c == cellColumn(i)) {
1517                         ++total;
1518                         bool right = c > 0 && cellInfo(cellIndex(r, c - 1)).right_line;
1519                         if (cellInfo(i).left_line || right)
1520                                 ++nrows_left;
1521                 }
1522         }
1523         return 2 * nrows_left >= total;
1524 }
1525
1526
1527 bool Tabular::columnRightLine(col_type c) const
1528 {
1529         if (use_booktabs)
1530                 return false;
1531
1532         int nrows_right = 0;
1533         int total = 0;
1534         for (row_type r = 0; r < nrows(); ++r) {
1535                 idx_type i = cellIndex(r, c);
1536                 if (c == cellColumn(i) + columnSpan(i) - 1) {
1537                         ++total;
1538                         bool left = (c + 1 < ncols()
1539                                 && cellInfo(cellIndex(r, c + 1)).left_line)
1540                                 || c + 1 == ncols();
1541                         if (cellInfo(i).right_line && left)
1542                                 ++nrows_right;
1543                 }
1544         }
1545         return 2 * nrows_right >= total;
1546 }
1547
1548
1549 LyXAlignment Tabular::getAlignment(idx_type cell, bool onlycolumn) const
1550 {
1551         if (!onlycolumn && (isMultiColumn(cell) || isMultiRow(cell)))
1552                 return cellInfo(cell).alignment;
1553
1554         return column_info[cellColumn(cell)].alignment;
1555 }
1556
1557
1558 Tabular::VAlignment
1559 Tabular::getVAlignment(idx_type cell, bool onlycolumn) const
1560 {
1561         if (!onlycolumn && (isMultiColumn(cell) || isMultiRow(cell)))
1562                 return cellInfo(cell).valignment;
1563         return column_info[cellColumn(cell)].valignment;
1564 }
1565
1566
1567 int Tabular::offsetVAlignment() const
1568 {
1569         // for top-alignment the first horizontal table line must be exactly at
1570         // the position of the base line of the surrounding text line
1571         // for bottom alignment, the same is for the last table line
1572         int offset_valign = 0;
1573         switch (tabular_valignment) {
1574         case Tabular::LYX_VALIGN_BOTTOM:
1575                 offset_valign = rowAscent(0) - height();
1576                 break;
1577         case Tabular::LYX_VALIGN_MIDDLE:
1578                 offset_valign = (- height()) / 2 + rowAscent(0);
1579                 break;
1580         case Tabular::LYX_VALIGN_TOP:
1581                 offset_valign = rowAscent(0);
1582                 break;
1583         }
1584         return offset_valign;
1585 }
1586
1587
1588 Length const Tabular::getPWidth(idx_type cell) const
1589 {
1590         if (isMultiColumn(cell))
1591                 return cellInfo(cell).p_width;
1592         return column_info[cellColumn(cell)].p_width;
1593 }
1594
1595
1596 Length const Tabular::getMROffset(idx_type cell) const
1597 {
1598         return cellInfo(cell).mroffset;
1599 }
1600
1601
1602 int Tabular::textHOffset(idx_type cell) const
1603 {
1604         // the LaTeX Way :-(
1605         int x = WIDTH_OF_LINE;
1606
1607         int const w = cellWidth(cell) - cellInfo(cell).width;
1608
1609         switch (getAlignment(cell)) {
1610         case LYX_ALIGN_CENTER:
1611                 x += w / 2;
1612                 break;
1613         case LYX_ALIGN_RIGHT:
1614                 x += w;
1615                 break;
1616         case LYX_ALIGN_DECIMAL: {
1617                 // we center when no decimal point
1618                 if (cellInfo(cell).decimal_width == 0) {
1619                         x += w / 2;
1620                         break;
1621                 }
1622                 col_type const c = cellColumn(cell);
1623                 int max_dhoffset = 0;
1624                 for(row_type r = 0; r < row_info.size() ; ++r) {
1625                         idx_type const i = cellIndex(r, c);
1626                         if (getAlignment(i) == LYX_ALIGN_DECIMAL
1627                                 && cellInfo(i).decimal_width != 0)
1628                                 max_dhoffset = max(max_dhoffset, cellInfo(i).decimal_hoffset);
1629                 }
1630                 x += max_dhoffset - cellInfo(cell).decimal_hoffset;
1631         }
1632         default:
1633                 // LYX_ALIGN_LEFT: nothing :-)
1634                 break;
1635         }
1636
1637         return x;
1638 }
1639
1640
1641 int Tabular::textVOffset(idx_type cell) const
1642 {
1643         int voffset = cellInfo(cell).voffset;
1644         if (isMultiRow(cell)) {
1645                 row_type const row = cellRow(cell);
1646                 voffset += (cellHeight(cell) - rowAscent(row) - rowDescent(row))/2;
1647         }
1648         return voffset;
1649 }
1650
1651
1652 idx_type Tabular::getFirstCellInRow(row_type row, bool const ct) const
1653 {
1654         col_type c = 0;
1655         idx_type const numcells = numberOfCellsInRow(row);
1656         // we check against numcells to make sure we do not crash if all the
1657         // cells are multirow (bug #7535), but in that case our return value
1658         // is really invalid, i.e., it is NOT the first cell in the row. but
1659         // i do not know what to do here. (rgh)
1660         while (c < numcells - 1
1661                && (cell_info[row][c].multirow == CELL_PART_OF_MULTIROW
1662                    || (ct && column_info[c].change.deleted())))
1663                 ++c;
1664         return cell_info[row][c].cellno;
1665 }
1666
1667
1668 idx_type Tabular::getLastCellInRow(row_type row, bool const ct) const
1669 {
1670         col_type c = ncols() - 1;
1671         // of course we check against 0 so we don't crash. but we have the same
1672         // problem as in the previous routine: if all the cells are part of a
1673         // multirow or part of a multi column, then our return value is invalid.
1674         while (c > 0
1675                && ((cell_info[row][c].multirow == CELL_PART_OF_MULTIROW
1676                    || cell_info[row][c].multicolumn == CELL_PART_OF_MULTICOLUMN)
1677                   || (ct && column_info[c].change.deleted())))
1678                 --c;
1679         return cell_info[row][c].cellno;
1680 }
1681
1682
1683 row_type Tabular::getFirstRow(bool const ct) const
1684 {
1685         row_type r = 0;
1686         if (!ct)
1687                 return r;
1688         // exclude deleted rows if ct == true
1689         while (r < nrows() && row_info[r].change.deleted())
1690                 ++r;
1691         return r;
1692 }
1693
1694
1695 row_type Tabular::getLastRow(bool const ct) const
1696 {
1697         row_type r = nrows() - 1;
1698         if (!ct)
1699                 return r;
1700         // exclude deleted rows if ct == true
1701         while (r > 0 && row_info[r].change.deleted())
1702                 --r;
1703         return r;
1704 }
1705
1706
1707 row_type Tabular::cellRow(idx_type cell) const
1708 {
1709         if (cell >= numberofcells)
1710                 return nrows() - 1;
1711         if (cell == npos)
1712                 return 0;
1713         return rowofcell[cell];
1714 }
1715
1716
1717 col_type Tabular::cellColumn(idx_type cell) const
1718 {
1719         if (cell >= numberofcells)
1720                 return ncols() - 1;
1721         if (cell == npos)
1722                 return 0;
1723         return columnofcell[cell];
1724 }
1725
1726
1727 void Tabular::write(ostream & os) const
1728 {
1729         // header line
1730         os << "<lyxtabular"
1731            << write_attribute("version", 3)
1732            << write_attribute("rows", nrows())
1733            << write_attribute("columns", ncols())
1734            << ">\n";
1735         // global longtable options
1736         os << "<features"
1737            << write_attribute("rotate", rotate)
1738            << write_attribute("booktabs", use_booktabs)
1739            << write_attribute("islongtable", is_long_tabular)
1740            << write_attribute("firstHeadTopDL", endfirsthead.topDL)
1741            << write_attribute("firstHeadBottomDL", endfirsthead.bottomDL)
1742            << write_attribute("firstHeadEmpty", endfirsthead.empty)
1743            << write_attribute("headTopDL", endhead.topDL)
1744            << write_attribute("headBottomDL", endhead.bottomDL)
1745            << write_attribute("footTopDL", endfoot.topDL)
1746            << write_attribute("footBottomDL", endfoot.bottomDL)
1747            << write_attribute("lastFootTopDL", endlastfoot.topDL)
1748            << write_attribute("lastFootBottomDL", endlastfoot.bottomDL)
1749            << write_attribute("lastFootEmpty", endlastfoot.empty);
1750         // longtables cannot be aligned vertically
1751         if (!is_long_tabular)
1752                 os << write_attribute("tabularvalignment", tabular_valignment);
1753         os << write_attribute("tabularwidth", tabular_width);
1754         if (is_long_tabular)
1755                 os << write_attribute("longtabularalignment", longtabular_alignment);
1756         os << ">\n";
1757         for (col_type c = 0; c < ncols(); ++c) {
1758                 os << "<column"
1759                    << write_attribute("alignment", column_info[c].alignment);
1760                 if (column_info[c].alignment == LYX_ALIGN_DECIMAL)
1761                         os << write_attribute("decimal_point", column_info[c].decimal_point);
1762                 os << write_attribute("change", column_info[c].change, buffer().params())
1763                    << write_attribute("valignment", column_info[c].valignment)
1764                    << write_attribute("width", column_info[c].p_width.asString())
1765                    << write_attribute("varwidth", column_info[c].varwidth)
1766                    << write_attribute("special", column_info[c].align_special)
1767                    << ">\n";
1768         }
1769         for (row_type r = 0; r < nrows(); ++r) {
1770                 static const string def("default");
1771                 os << "<row";
1772                 if (row_info[r].top_space_default)
1773                         os << write_attribute("topspace", def);
1774                 else
1775                         os << write_attribute("topspace", row_info[r].top_space);
1776                 if (row_info[r].bottom_space_default)
1777                         os << write_attribute("bottomspace", def);
1778                 else
1779                         os << write_attribute("bottomspace", row_info[r].bottom_space);
1780                 if (row_info[r].interline_space_default)
1781                         os << write_attribute("interlinespace", def);
1782                 else
1783                         os << write_attribute("interlinespace", row_info[r].interline_space);
1784                 os << write_attribute("change", row_info[r].change, buffer().params())
1785                    << write_attribute("endhead", row_info[r].endhead)
1786                    << write_attribute("endfirsthead", row_info[r].endfirsthead)
1787                    << write_attribute("endfoot", row_info[r].endfoot)
1788                    << write_attribute("endlastfoot", row_info[r].endlastfoot)
1789                    << write_attribute("newpage", row_info[r].newpage)
1790                    << write_attribute("caption", row_info[r].caption)
1791                    << ">\n";
1792                 for (col_type c = 0; c < ncols(); ++c) {
1793                         os << "<cell"
1794                            << write_attribute("multicolumn", cell_info[r][c].multicolumn)
1795                            << write_attribute("multirow", cell_info[r][c].multirow)
1796                            << write_attribute("mroffset", cell_info[r][c].mroffset)
1797                            << write_attribute("alignment", cell_info[r][c].alignment)
1798                            << write_attribute("valignment", cell_info[r][c].valignment)
1799                            << write_attribute("topline", cell_info[r][c].top_line)
1800                            << write_attribute("toplineltrim", cell_info[r][c].top_line_ltrimmed)
1801                            << write_attribute("toplinertrim", cell_info[r][c].top_line_rtrimmed)
1802                            << write_attribute("bottomline", cell_info[r][c].bottom_line)
1803                            << write_attribute("bottomlineltrim", cell_info[r][c].bottom_line_ltrimmed)
1804                            << write_attribute("bottomlinertrim", cell_info[r][c].bottom_line_rtrimmed)
1805                            << write_attribute("leftline", cell_info[r][c].left_line)
1806                            << write_attribute("rightline", cell_info[r][c].right_line)
1807                            << write_attribute("rotate", cell_info[r][c].rotate)
1808                            << write_attribute("usebox", cell_info[r][c].usebox)
1809                            << write_attribute("width", cell_info[r][c].p_width)
1810                            << write_attribute("special", cell_info[r][c].align_special)
1811                            << ">\n";
1812                         os << "\\begin_inset ";
1813                         cell_info[r][c].inset->write(os);
1814                         os << "\n\\end_inset\n"
1815                            << "</cell>\n";
1816                         // FIXME This can be removed again once the mystery
1817                         // crash has been resolved.
1818                         os << flush;
1819                 }
1820                 os << "</row>\n";
1821         }
1822         os << "</lyxtabular>\n";
1823 }
1824
1825
1826 void Tabular::read(Lexer & lex)
1827 {
1828         string line;
1829         istream & is = lex.getStream();
1830
1831         l_getline(is, line);
1832         if (!prefixIs(line, "<lyxtabular ") && !prefixIs(line, "<Tabular ")) {
1833                 LASSERT(false, return);
1834         }
1835
1836         int version;
1837         if (!getTokenValue(line, "version", version))
1838                 return;
1839         LATTEST(version >= 2);
1840
1841         int rows_arg;
1842         if (!getTokenValue(line, "rows", rows_arg))
1843                 return;
1844         int columns_arg;
1845         if (!getTokenValue(line, "columns", columns_arg))
1846                 return;
1847         init(buffer_, rows_arg, columns_arg);
1848         l_getline(is, line);
1849         if (!prefixIs(line, "<features")) {
1850                 lyxerr << "Wrong tabular format (expected <features ...> got"
1851                        << line << ')' << endl;
1852                 return;
1853         }
1854         getTokenValue(line, "rotate", rotate);
1855         getTokenValue(line, "booktabs", use_booktabs);
1856         getTokenValue(line, "islongtable", is_long_tabular);
1857         getTokenValue(line, "tabularvalignment", tabular_valignment);
1858         getTokenValue(line, "tabularwidth", tabular_width);
1859         getTokenValue(line, "longtabularalignment", longtabular_alignment);
1860         getTokenValue(line, "firstHeadTopDL", endfirsthead.topDL);
1861         getTokenValue(line, "firstHeadBottomDL", endfirsthead.bottomDL);
1862         getTokenValue(line, "firstHeadEmpty", endfirsthead.empty);
1863         getTokenValue(line, "headTopDL", endhead.topDL);
1864         getTokenValue(line, "headBottomDL", endhead.bottomDL);
1865         getTokenValue(line, "footTopDL", endfoot.topDL);
1866         getTokenValue(line, "footBottomDL", endfoot.bottomDL);
1867         getTokenValue(line, "lastFootTopDL", endlastfoot.topDL);
1868         getTokenValue(line, "lastFootBottomDL", endlastfoot.bottomDL);
1869         getTokenValue(line, "lastFootEmpty", endlastfoot.empty);
1870
1871         for (col_type c = 0; c < ncols(); ++c) {
1872                 l_getline(is,line);
1873                 if (!prefixIs(line,"<column")) {
1874                         lyxerr << "Wrong tabular format (expected <column ...> got"
1875                                << line << ')' << endl;
1876                         return;
1877                 }
1878                 getTokenValue(line, "alignment", column_info[c].alignment);
1879                 getTokenValue(line, "decimal_point", column_info[c].decimal_point);
1880                 getTokenValue(line, "valignment", column_info[c].valignment);
1881                 getTokenValue(line, "width", column_info[c].p_width);
1882                 getTokenValue(line, "special", column_info[c].align_special);
1883                 getTokenValue(line, "varwidth", column_info[c].varwidth);
1884                 getTokenValue(line, "change", column_info[c].change, buffer().params());
1885         }
1886
1887         for (row_type i = 0; i < nrows(); ++i) {
1888                 l_getline(is, line);
1889                 if (!prefixIs(line, "<row")) {
1890                         lyxerr << "Wrong tabular format (expected <row ...> got"
1891                                << line << ')' << endl;
1892                         return;
1893                 }
1894                 getTokenValue(line, "topspace", row_info[i].top_space,
1895                               row_info[i].top_space_default);
1896                 getTokenValue(line, "bottomspace", row_info[i].bottom_space,
1897                               row_info[i].bottom_space_default);
1898                 getTokenValue(line, "interlinespace", row_info[i].interline_space,
1899                               row_info[i].interline_space_default);
1900                 getTokenValue(line, "endfirsthead", row_info[i].endfirsthead);
1901                 getTokenValue(line, "endhead", row_info[i].endhead);
1902                 getTokenValue(line, "endfoot", row_info[i].endfoot);
1903                 getTokenValue(line, "endlastfoot", row_info[i].endlastfoot);
1904                 getTokenValue(line, "newpage", row_info[i].newpage);
1905                 getTokenValue(line, "caption", row_info[i].caption);
1906                 getTokenValue(line, "change", row_info[i].change, buffer().params());
1907                 for (col_type j = 0; j < ncols(); ++j) {
1908                         l_getline(is, line);
1909                         if (!prefixIs(line, "<cell")) {
1910                                 lyxerr << "Wrong tabular format (expected <cell ...> got"
1911                                        << line << ')' << endl;
1912                                 return;
1913                         }
1914                         getTokenValue(line, "multicolumn", cell_info[i][j].multicolumn);
1915                         getTokenValue(line, "multirow", cell_info[i][j].multirow);
1916                         getTokenValue(line, "mroffset", cell_info[i][j].mroffset);
1917                         getTokenValue(line, "alignment", cell_info[i][j].alignment);
1918                         getTokenValue(line, "valignment", cell_info[i][j].valignment);
1919                         getTokenValue(line, "topline", cell_info[i][j].top_line);
1920                         getTokenValue(line, "toplineltrim", cell_info[i][j].top_line_ltrimmed);
1921                         getTokenValue(line, "toplinertrim", cell_info[i][j].top_line_rtrimmed);
1922                         getTokenValue(line, "bottomline", cell_info[i][j].bottom_line);
1923                         getTokenValue(line, "bottomlineltrim", cell_info[i][j].bottom_line_ltrimmed);
1924                         getTokenValue(line, "bottomlinertrim", cell_info[i][j].bottom_line_rtrimmed);
1925                         getTokenValue(line, "leftline", cell_info[i][j].left_line);
1926                         getTokenValue(line, "rightline", cell_info[i][j].right_line);
1927                         getTokenValue(line, "rotate", cell_info[i][j].rotate);
1928                         getTokenValue(line, "usebox", cell_info[i][j].usebox);
1929                         getTokenValue(line, "width", cell_info[i][j].p_width);
1930                         setFixedWidth(i,j);
1931                         getTokenValue(line, "special", cell_info[i][j].align_special);
1932                         l_getline(is, line);
1933                         if (prefixIs(line, "\\begin_inset")) {
1934                                 cell_info[i][j].inset->setBuffer(*buffer_);
1935                                 cell_info[i][j].inset->read(lex);
1936                                 l_getline(is, line);
1937                         }
1938                         if (!prefixIs(line, "</cell>")) {
1939                                 lyxerr << "Wrong tabular format (expected </cell> got"
1940                                        << line << ')' << endl;
1941                                 return;
1942                         }
1943                 }
1944                 l_getline(is, line);
1945                 if (!prefixIs(line, "</row>")) {
1946                         lyxerr << "Wrong tabular format (expected </row> got"
1947                                << line << ')' << endl;
1948                         return;
1949                 }
1950         }
1951         while (!prefixIs(line, "</lyxtabular>")) {
1952                 l_getline(is, line);
1953         }
1954         updateIndexes();
1955 }
1956
1957
1958 bool Tabular::isMultiColumn(idx_type cell) const
1959 {
1960         return (cellInfo(cell).multicolumn == CELL_BEGIN_OF_MULTICOLUMN
1961                 || cellInfo(cell).multicolumn == CELL_PART_OF_MULTICOLUMN);
1962 }
1963
1964
1965 bool Tabular::hasMultiColumn(col_type c) const
1966 {
1967         for (row_type r = 0; r < nrows(); ++r) {
1968                 if (isMultiColumn(cellIndex(r, c)))
1969                         return true;
1970         }
1971         return false;
1972 }
1973
1974
1975 bool Tabular::hasVarwidthColumn() const
1976 {
1977         for (col_type c = 0; c < ncols(); ++c) {
1978                 if (column_info[c].varwidth)
1979                         return true;
1980         }
1981         return false;
1982 }
1983
1984
1985 bool Tabular::isVTypeColumn(col_type c) const
1986 {
1987         for (row_type r = 0; r < nrows(); ++r) {
1988                 idx_type idx = cellIndex(r, c);
1989                 if (getRotateCell(idx) == 0 && useBox(idx) == BOX_VARWIDTH)
1990                         return true;
1991         }
1992         return false;
1993 }
1994
1995
1996 Tabular::CellData const & Tabular::cellInfo(idx_type cell) const
1997 {
1998         return cell_info[cellRow(cell)][cellColumn(cell)];
1999 }
2000
2001
2002 Tabular::CellData & Tabular::cellInfo(idx_type cell)
2003 {
2004         return cell_info[cellRow(cell)][cellColumn(cell)];
2005 }
2006
2007
2008 idx_type Tabular::setMultiColumn(Cursor & cur, idx_type cell, idx_type number,
2009                                           bool const right_border)
2010 {
2011         idx_type const col = cellColumn(cell);
2012         idx_type const row = cellRow(cell);
2013         for (idx_type i = 0; i < number; ++i)
2014                 unsetMultiRow(cellIndex(row, col + i));
2015
2016         // unsetting of multirow may have invalidated cell index
2017         cell = cellIndex(row, col);
2018         CellData & cs = cellInfo(cell);
2019         cs.multicolumn = CELL_BEGIN_OF_MULTICOLUMN;
2020         if (column_info[col].alignment != LYX_ALIGN_DECIMAL)
2021                 cs.alignment = column_info[col].alignment;
2022         setRightLine(cell, right_border);
2023         // non-fixed width multicolumns cannot have multiple paragraphs
2024         if (getPWidth(cell).zero()) {
2025                 toggleFixedWidth(cur, cellInset(cell).get(),
2026                                  !getPWidth(cell).zero(), isMultiColumn(cell),
2027                                  isMultiRow(cell));
2028                 // cur can become invalid after paragraphs were merged
2029                 cur.fixIfBroken();
2030         }
2031
2032         idx_type lastcell = cellIndex(row, col + number - 1);
2033         for (idx_type i = 1; i < lastcell - cell + 1; ++i) {
2034                 CellData & cs1 = cellInfo(cell + i);
2035                 cs1.multicolumn = CELL_PART_OF_MULTICOLUMN;
2036                 cs.inset->appendParagraphs(cs1.inset->paragraphs());
2037                 cs1.inset->clear();
2038         }
2039         updateIndexes();
2040         return cell;
2041 }
2042
2043
2044 bool Tabular::isMultiRow(idx_type cell) const
2045 {
2046         return (cellInfo(cell).multirow == CELL_BEGIN_OF_MULTIROW
2047                 || cellInfo(cell).multirow == CELL_PART_OF_MULTIROW);
2048 }
2049
2050 bool Tabular::hasMultiRow(row_type r) const
2051 {
2052         for (col_type c = 0; c < ncols(); ++c) {
2053                 if (isMultiRow(cellIndex(r, c)))
2054                         return true;
2055         }
2056         return false;
2057 }
2058
2059 idx_type Tabular::setMultiRow(Cursor & cur, idx_type cell, idx_type number,
2060                                        bool const bottom_border,
2061                                        LyXAlignment const halign)
2062 {
2063         idx_type const col = cellColumn(cell);
2064         idx_type const row = cellRow(cell);
2065         for (idx_type i = 0; i < number; ++i)
2066                 unsetMultiColumn(cellIndex(row + i, col));
2067
2068         // unsetting of multirow may have invalidated cell index
2069         cell = cellIndex(row, col);
2070         CellData & cs = cellInfo(cell);
2071         cs.multirow = CELL_BEGIN_OF_MULTIROW;
2072         cs.valignment = LYX_VALIGN_MIDDLE;
2073         // the horizontal alignment of multirow cells can only
2074         // be changed for the whole table row,
2075         // support changing this only for the multirow cell can be done via
2076         // \multirowsetup
2077         if (getPWidth(cell).zero())
2078                 cs.alignment = halign;
2079         else
2080                 cs.alignment = LYX_ALIGN_LEFT;
2081
2082         // Multirows cannot have multiple paragraphs
2083         if (getPWidth(cell).zero()) {
2084                 toggleFixedWidth(cur, cellInset(cell).get(),
2085                                  !getPWidth(cell).zero(),
2086                                  isMultiColumn(cell), isMultiRow(cell));
2087                 // cur can become invalid after paragraphs were merged
2088                 cur.fixIfBroken();
2089         }
2090
2091         // set the bottom line of the last selected cell
2092         setBottomLine(cell, bottom_border);
2093
2094         for (idx_type i = 1; i < number; ++i) {
2095                 CellData & cs1 = cell_info[row + i][col];
2096                 cs1.multirow = CELL_PART_OF_MULTIROW;
2097                 cs.inset->appendParagraphs(cs1.inset->paragraphs());
2098                 cs1.inset->clear();
2099         }
2100         updateIndexes();
2101         return cell;
2102 }
2103
2104
2105 idx_type Tabular::columnSpan(idx_type cell) const
2106 {
2107         row_type const row = cellRow(cell);
2108         col_type const col = cellColumn(cell);
2109         int span = 1;
2110         while (col + span < ncols() && isPartOfMultiColumn(row, col + span))
2111                 ++span;
2112
2113         return span;
2114 }
2115
2116
2117 idx_type Tabular::rowSpan(idx_type cell) const
2118 {
2119         col_type const column = cellColumn(cell);
2120         col_type row = cellRow(cell) + 1;
2121         while (row < nrows() && isPartOfMultiRow(row, column))
2122                 ++row;
2123
2124         return row - cellRow(cell);
2125 }
2126
2127
2128 void Tabular::unsetMultiColumn(idx_type cell)
2129 {
2130         if (!isMultiColumn(cell))
2131                 return;
2132
2133         row_type const row = cellRow(cell);
2134         col_type const col = cellColumn(cell);
2135         row_type const span = columnSpan(cell);
2136         for (col_type c = 0; c < span; ++c) {
2137                 // in the table dialog the lines are set in every case
2138                 // when unsetting a multicolumn this leads to an additional right
2139                 // line for every cell that was part of the former multicolumn cell,
2140                 // except if the cell is in the last column
2141                 // therefore remove this line
2142                 if (cell_info[row][col + c].multicolumn == CELL_BEGIN_OF_MULTICOLUMN
2143                         && (col + c) < (col + span - 1))
2144                         cell_info[row][col + c].right_line = false;
2145                 cell_info[row][col + c].multicolumn = CELL_NORMAL;
2146         }
2147         updateIndexes();
2148 }
2149
2150
2151 void Tabular::unsetMultiRow(idx_type cell)
2152 {
2153         if (!isMultiRow(cell))
2154                 return;
2155
2156         cellInfo(cell).valignment = LYX_VALIGN_TOP;
2157         cellInfo(cell).alignment = LYX_ALIGN_CENTER;
2158         row_type const row = cellRow(cell);
2159         col_type const col = cellColumn(cell);
2160         row_type const span = rowSpan(cell);
2161         for (row_type r = 0; r < span; ++r)
2162                 cell_info[row + r][col].multirow = CELL_NORMAL;
2163         updateIndexes();
2164 }
2165
2166
2167 void Tabular::setRotateCell(idx_type cell, int value)
2168 {
2169         cellInfo(cell).rotate = value;
2170 }
2171
2172
2173 int Tabular::getRotateCell(idx_type cell) const
2174 {
2175         return cellInfo(cell).rotate;
2176 }
2177
2178
2179 bool Tabular::needRotating() const
2180 {
2181         if (rotate && !is_long_tabular)
2182                 return true;
2183         for (row_type r = 0; r < nrows(); ++r)
2184                 for (col_type c = 0; c < ncols(); ++c)
2185                         if (cell_info[r][c].rotate != 0)
2186                                 return true;
2187         return false;
2188 }
2189
2190
2191 bool Tabular::isLastCell(idx_type cell) const
2192 {
2193         return cell + 1 >= numberofcells;
2194 }
2195
2196
2197 idx_type Tabular::cellAbove(idx_type cell) const
2198 {
2199         if (cellRow(cell) == 0)
2200                 return cell;
2201
2202         col_type const col = cellColumn(cell);
2203         row_type r = cellRow(cell) - 1;
2204         while (r > 0 && cell_info[r][col].multirow == CELL_PART_OF_MULTIROW)
2205                 --r;
2206
2207         return cell_info[r][col].cellno;
2208 }
2209
2210
2211 idx_type Tabular::cellBelow(idx_type cell) const
2212 {
2213         row_type const nextrow = cellRow(cell) + rowSpan(cell);
2214         if (nextrow < nrows())
2215                 return cell_info[nextrow][cellColumn(cell)].cellno;
2216         return cell;
2217 }
2218
2219
2220 idx_type Tabular::cellIndex(row_type row, col_type column) const
2221 {
2222         LASSERT(column != npos && column < ncols(), column = 0);
2223         LASSERT(row != npos && row < nrows(), row = 0);
2224         return cell_info[row][column].cellno;
2225 }
2226
2227
2228 void Tabular::setUsebox(idx_type cell, BoxType type)
2229 {
2230         cellInfo(cell).usebox = type;
2231 }
2232
2233
2234 Tabular::BoxType Tabular::getUsebox(idx_type cell) const
2235 {
2236         if (getRotateCell(cell) == 0
2237             && ((!column_info[cellColumn(cell)].p_width.zero() && !isMultiColumn(cell)) ||
2238                 (isMultiColumn(cell) && !cellInfo(cell).p_width.zero())))
2239                 return BOX_NONE;
2240         if (cellInfo(cell).usebox > 1)
2241                 return cellInfo(cell).usebox;
2242         return useBox(cell);
2243 }
2244
2245
2246 ///
2247 //  This are functions used for the longtable support
2248 ///
2249 void Tabular::setLTHead(row_type row, bool flag, ltType const & hd,
2250                            bool first)
2251 {
2252         if (first) {
2253                 endfirsthead = hd;
2254                 if (hd.set)
2255                         row_info[row].endfirsthead = flag;
2256         } else {
2257                 endhead = hd;
2258                 if (hd.set)
2259                         row_info[row].endhead = flag;
2260         }
2261 }
2262
2263
2264 bool Tabular::getRowOfLTHead(row_type row, ltType & hd) const
2265 {
2266         hd = endhead;
2267         hd.set = haveLTHead();
2268         return row_info[row].endhead;
2269 }
2270
2271
2272 bool Tabular::getRowOfLTFirstHead(row_type row, ltType & hd) const
2273 {
2274         hd = endfirsthead;
2275         hd.set = haveLTFirstHead();
2276         return row_info[row].endfirsthead;
2277 }
2278
2279
2280 void Tabular::setLTFoot(row_type row, bool flag, ltType const & fd,
2281                            bool last)
2282 {
2283         if (last) {
2284                 endlastfoot = fd;
2285                 if (fd.set)
2286                         row_info[row].endlastfoot = flag;
2287         } else {
2288                 endfoot = fd;
2289                 if (fd.set)
2290                         row_info[row].endfoot = flag;
2291         }
2292 }
2293
2294
2295 bool Tabular::getRowOfLTFoot(row_type row, ltType & fd) const
2296 {
2297         fd = endfoot;
2298         fd.set = haveLTFoot();
2299         return row_info[row].endfoot;
2300 }
2301
2302
2303 bool Tabular::getRowOfLTLastFoot(row_type row, ltType & fd) const
2304 {
2305         fd = endlastfoot;
2306         fd.set = haveLTLastFoot();
2307         return row_info[row].endlastfoot;
2308 }
2309
2310
2311 void Tabular::setLTNewPage(row_type row, bool what)
2312 {
2313         row_info[row].newpage = what;
2314 }
2315
2316
2317 bool Tabular::getLTNewPage(row_type row) const
2318 {
2319         return row_info[row].newpage;
2320 }
2321
2322
2323 bool Tabular::haveLTHead(bool withcaptions) const
2324 {
2325         if (!is_long_tabular)
2326                 return false;
2327         for (row_type i = 0; i < nrows(); ++i)
2328                 if (row_info[i].endhead &&
2329                     (withcaptions || !row_info[i].caption))
2330                         return true;
2331         return false;
2332 }
2333
2334
2335 bool Tabular::haveLTFirstHead(bool withcaptions) const
2336 {
2337         if (!is_long_tabular || endfirsthead.empty)
2338                 return false;
2339         for (row_type r = 0; r < nrows(); ++r)
2340                 if (row_info[r].endfirsthead &&
2341                     (withcaptions || !row_info[r].caption))
2342                         return true;
2343         return false;
2344 }
2345
2346
2347 bool Tabular::haveLTFoot(bool withcaptions) const
2348 {
2349         if (!is_long_tabular)
2350                 return false;
2351         for (row_type r = 0; r < nrows(); ++r)
2352                 if (row_info[r].endfoot &&
2353                     (withcaptions || !row_info[r].caption))
2354                         return true;
2355         return false;
2356 }
2357
2358
2359 bool Tabular::haveLTLastFoot(bool withcaptions) const
2360 {
2361         if (!is_long_tabular || endlastfoot.empty)
2362                 return false;
2363         for (row_type r = 0; r < nrows(); ++r)
2364                 if (row_info[r].endlastfoot &&
2365                     (withcaptions || !row_info[r].caption))
2366                         return true;
2367         return false;
2368 }
2369
2370
2371 idx_type Tabular::setLTCaption(Cursor & cur, row_type row, bool what)
2372 {
2373         idx_type i = getFirstCellInRow(row);
2374         if (what) {
2375                 setMultiColumn(cur, i, numberOfCellsInRow(row), false);
2376                 setTopLine(i, false);
2377                 setBottomLine(i, false);
2378                 setLeftLine(i, false);
2379                 setRightLine(i, false);
2380                 if (!row_info[row].endfirsthead && !row_info[row].endhead &&
2381                     !row_info[row].endfoot && !row_info[row].endlastfoot) {
2382                         setLTHead(row, true, endfirsthead, true);
2383                         row_info[row].endfirsthead = true;
2384                 }
2385         } else {
2386                 unsetMultiColumn(i);
2387                 // When unsetting a caption row, also all existing
2388                 // captions in this row must be dissolved.
2389         }
2390         row_info[row].caption = what;
2391         return i;
2392 }
2393
2394
2395 bool Tabular::ltCaption(row_type row) const
2396 {
2397         return row_info[row].caption;
2398 }
2399
2400
2401 bool Tabular::haveLTCaption(CaptionType captiontype) const
2402 {
2403         if (!is_long_tabular)
2404                 return false;
2405         for (row_type r = 0; r < nrows(); ++r) {
2406                 if (row_info[r].caption) {
2407                         switch (captiontype) {
2408                         case CAPTION_FIRSTHEAD:
2409                                 if (row_info[r].endfirsthead)
2410                                         return true;
2411                                 break;
2412                         case CAPTION_HEAD:
2413                                 if (row_info[r].endhead)
2414                                         return true;
2415                                 break;
2416                         case CAPTION_FOOT:
2417                                 if (row_info[r].endfoot)
2418                                         return true;
2419                                 break;
2420                         case CAPTION_LASTFOOT:
2421                                 if (row_info[r].endlastfoot)
2422                                         return true;
2423                                 break;
2424                         case CAPTION_ANY:
2425                                 return true;
2426                         }
2427                 }
2428         }
2429         return false;
2430 }
2431
2432
2433 // end longtable support functions
2434
2435 void Tabular::setRowAscent(row_type row, int height)
2436 {
2437         if (row >= nrows() || row_info[row].ascent == height)
2438                 return;
2439         row_info[row].ascent = height;
2440 }
2441
2442
2443 void Tabular::setRowDescent(row_type row, int height)
2444 {
2445         if (row >= nrows() || row_info[row].descent == height)
2446                 return;
2447         row_info[row].descent = height;
2448 }
2449
2450
2451 int Tabular::rowAscent(row_type row) const
2452 {
2453         LASSERT(row < nrows(), row = 0);
2454         return row_info[row].ascent;
2455 }
2456
2457
2458 int Tabular::rowDescent(row_type row) const
2459 {
2460         LASSERT(row < nrows(), row = 0);
2461         return row_info[row].descent;
2462 }
2463
2464
2465 int Tabular::height() const
2466 {
2467         int height = 0;
2468         for (row_type row = 0; row < nrows(); ++row)
2469                 height += rowAscent(row) + rowDescent(row) +
2470                         interRowSpace(row);
2471         return height;
2472 }
2473
2474
2475 bool Tabular::isPartOfMultiColumn(row_type row, col_type column) const
2476 {
2477         LASSERT(row < nrows(), return false);
2478         LASSERT(column < ncols(), return false);
2479         return cell_info[row][column].multicolumn == CELL_PART_OF_MULTICOLUMN;
2480 }
2481
2482
2483 bool Tabular::isPartOfMultiRow(row_type row, col_type column) const
2484 {
2485         LASSERT(row < nrows(), return false);
2486         LASSERT(column < ncols(), return false);
2487         return cell_info[row][column].multirow == CELL_PART_OF_MULTIROW;
2488 }
2489
2490
2491 void Tabular::TeXTopHLine(otexstream & os, row_type row, list<col_type> columns,
2492                           list<col_type> logical_columns) const
2493 {
2494         // we only output complete row lines and the 1st row here, the rest
2495         // is done in Tabular::TeXBottomHLine(...)
2496
2497         // get for each column the topline (if any)
2498         map<col_type, bool> topline, topltrims, toprtrims;
2499         col_type nset = 0;
2500         bool have_trims = false;
2501         for (auto const & c : columns) {
2502                 topline[c] = topLine(cellIndex(row, c));
2503                 topltrims[c] = topLineTrim(cellIndex(row, c)).first;
2504                 toprtrims[c] = topLineTrim(cellIndex(row, c)).second;
2505                 // If cell is part of a multirow and not the first cell of the
2506                 // multirow, no line must be drawn.
2507                 if (row != 0)
2508                         if (isMultiRow(cellIndex(row, c))
2509                             && cell_info[row][c].multirow != CELL_BEGIN_OF_MULTIROW) {
2510                                 topline[c] = false;
2511                                 topltrims[c] = false;
2512                                 toprtrims[c] = false;
2513                         }
2514                 // copy trimming to multicolumn parts
2515                 if (isPartOfMultiColumn(row, c)) {
2516                         topltrims[c] = topltrims[c-1];
2517                         toprtrims[c] = toprtrims[c-1];
2518                 }
2519                 if (topline.find(c) != topline.end() && topline.find(c)->second)
2520                         ++nset;
2521                 if ((topltrims.find(c) != topltrims.end() && topltrims.find(c)->second)
2522                      || (toprtrims.find(c) != toprtrims.end() && toprtrims.find(c)->second))
2523                         have_trims = true;
2524         }
2525
2526         // do nothing if empty first row, or incomplete row line after
2527         row_type first = getFirstRow(!buffer().params().output_changes);
2528         if ((row == first && nset == 0) || (row > first && nset != columns.size()))
2529                 return;
2530
2531         // Is this the actual first row (excluding longtable caption row)?
2532         bool const realfirstrow = (row == first
2533                                    || (is_long_tabular && row == first + 1 && ltCaption(first)));
2534
2535         // only output complete row lines and the 1st row's clines
2536         if (nset == columns.size() && !have_trims) {
2537                 if (use_booktabs) {
2538                         os << (realfirstrow ? "\\toprule " : "\\midrule ");
2539                 } else {
2540                         os << "\\hline ";
2541                 }
2542         } else if (realfirstrow || have_trims) {
2543                 string const cline = use_booktabs ? "\\cmidrule" : "\\cline";
2544                 col_type c = 0;
2545                 std::list<col_type>::const_iterator it1 = logical_columns.begin();
2546                 std::list<col_type>::const_iterator it2 = columns.begin();
2547                 // We need to iterate over the logical columns here, but take care for
2548                 // bidi swapping
2549                 for (; it1 != logical_columns.end() && it2 != columns.end(); ++it1, ++it2) {
2550                         col_type cl = *it1;
2551                         if (cl < c)
2552                                 continue;
2553                         c = cl;
2554                         if (topline.find(c)->second) {
2555                                 col_type offset = 0;
2556                                 for (col_type j = 0 ; j < c; ++j)
2557                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2558                                                 ++offset;
2559                                 // If the two iterators differ, we are in bidi with swapped columns
2560                                 col_type firstcol = (*it1 == *it2) ? c + 1 + offset : columns.size() - c + offset;
2561                                 while (isPartOfMultiColumn(row, c))
2562                                         ++c;
2563                                 string trim;
2564                                 if (topltrims.find(c) != topltrims.end()
2565                                      && topltrims.find(c)->second)
2566                                         trim = "l";
2567                                 col_type cstart = c;
2568                                 for ( ; c < ncols() - 1 && topline.find(c + 1)->second ; ++c) {
2569                                         if (isMultiColumn(cellIndex(row, c))
2570                                             && c < ncols() - 1 && isPartOfMultiColumn(row, c + 1))
2571                                                 continue;
2572                                         if (c > cstart && topltrims.find(c) != topltrims.end()
2573                                                         && topltrims.find(c)->second) {
2574                                                 if (!isPartOfMultiColumn(row, c))
2575                                                         --c;
2576                                                 break;
2577                                         } else if (toprtrims.find(c) != toprtrims.end()
2578                                                    && toprtrims.find(c)->second)
2579                                                 break;
2580                                 }
2581
2582                                 for (col_type j = cstart ; j < c ; ++j)
2583                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2584                                                 ++offset;
2585                                 col_type lastcol = (*it1 == *it2) ? c + 1 + offset : columns.size() - c + offset;
2586                                 if (toprtrims.find(c) != toprtrims.end()
2587                                     && toprtrims.find(c)->second)
2588                                         trim += "r";
2589
2590                                 os << cline;
2591                                 if (!trim.empty())
2592                                         os << "(" << trim << ")";
2593                                 if (firstcol > lastcol)
2594                                         // This can happen with bidi (swapped columns)
2595                                         os << "{" << lastcol << '-' << firstcol << "}";
2596                                 else
2597                                         os << "{" << firstcol << '-' << lastcol << "}";
2598                                 if (c == columns.size() - 1)
2599                                         break;
2600                                 ++c;
2601                         }
2602                 }
2603         }
2604         os << "\n";
2605 }
2606
2607
2608 void Tabular::TeXBottomHLine(otexstream & os, row_type row, list<col_type> columns,
2609                              list<col_type> logical_columns) const
2610 {
2611         // we output bottomlines of row r and the toplines of row r+1
2612         // if the latter do not span the whole tabular
2613
2614         // get the bottomlines of row r, and toplines in next row
2615         bool lastrow = row == getLastRow(!buffer().params().output_changes);
2616         map<col_type, bool> bottomline, topline, topltrims, toprtrims, bottomltrims, bottomrtrims;
2617         bool nextrowset = true;
2618         for (auto const & c : columns) {
2619                 idx_type const idx = cellIndex(row, c);
2620                 bottomline[c] = bottomLine(cellIndex(row, c));
2621                 bottomltrims[c] = bottomLineTrim(idx).first;
2622                 bottomrtrims[c] = bottomLineTrim(idx).second;
2623                 topline[c] =  !lastrow && topLine(cellIndex(row + 1, c));
2624                 topltrims[c] = !lastrow && topLineTrim(cellIndex(row + 1, c)).first;
2625                 toprtrims[c] = !lastrow && topLineTrim(cellIndex(row + 1, c)).second;
2626                 // If cell is part of a multirow and not the last cell of the
2627                 // multirow, no line must be drawn.
2628                 if (!lastrow)
2629                         if (isMultiRow(cellIndex(row, c))
2630                             && isMultiRow(cellIndex(row + 1, c))
2631                             && cell_info[row + 1][c].multirow != CELL_BEGIN_OF_MULTIROW) {
2632                                 bottomline[c] = false;
2633                                 topline[c] = false;
2634                                 bottomltrims[c] = false;
2635                                 bottomrtrims[c] = false;
2636                                 topltrims[c] = false;
2637                                 toprtrims[c] = false;
2638                         }
2639                 // copy trimming in multicolumn parts
2640                 if (isPartOfMultiColumn(row, c)) {
2641                         topltrims[c] = topltrims[c-1];
2642                         toprtrims[c] = toprtrims[c-1];
2643                         bottomltrims[c] = bottomltrims[c-1];
2644                         bottomrtrims[c] = bottomrtrims[c-1];
2645                 }
2646
2647                 nextrowset &= topline.find(c) != topline.end() && topline.find(c)->second;
2648         }
2649
2650         // combine this row's bottom lines and next row's toplines if necessary
2651         col_type nset = 0;
2652         bool have_trims = false;
2653         for (auto const & c : columns) {
2654                 if (!nextrowset)
2655                         bottomline[c] = bottomline.find(c)->second || topline.find(c)->second;
2656                 bottomltrims[c] = (bottomltrims.find(c) != bottomltrims.end() && bottomltrims.find(c)->second)
2657                                 || (topltrims.find(c) != topltrims.end() && topltrims.find(c)->second);
2658                 bottomrtrims[c] = (bottomrtrims.find(c) != bottomrtrims.end() && bottomrtrims.find(c)->second)
2659                                 || (toprtrims.find(c) != toprtrims.end() && toprtrims.find(c)->second);
2660                 if (bottomline.find(c)->second)
2661                         ++nset;
2662                 if ((bottomltrims.find(c) != bottomltrims.end() && bottomltrims.find(c)->second)
2663                      || (bottomrtrims.find(c) != bottomrtrims.end() && bottomrtrims.find(c)->second))
2664                         have_trims = true;
2665         }
2666
2667         // do nothing if empty, OR incomplete row line with a topline in next row
2668         if (nset == 0 || (nextrowset && nset != columns.size()))
2669                 return;
2670
2671         if (nset == columns.size() && !have_trims) {
2672                 if (use_booktabs)
2673                         os << (lastrow ? "\\bottomrule" : "\\midrule");
2674                 else
2675                         os << "\\hline ";
2676         } else {
2677                 string const cline = use_booktabs ? "\\cmidrule" : "\\cline";
2678                 col_type c = 0;
2679                 std::list<col_type>::const_iterator it1 = logical_columns.begin();
2680                 std::list<col_type>::const_iterator it2 = columns.begin();
2681                 // We need to iterate over the logical columns here, but take care for
2682                 // bidi swapping
2683                 for (; it1 != logical_columns.end() && it2 != columns.end(); ++it1, ++it2) {
2684                         col_type cl = *it1;
2685                         if (cl < c)
2686                                 continue;
2687                         c = cl;
2688                         if (bottomline.find(c)->second) {
2689                                 col_type offset = 0;
2690                                 for (col_type j = 0 ; j < c; ++j)
2691                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2692                                                 ++offset;
2693                                 // If the two iterators differ, we are in bidi with swapped columns
2694                                 col_type firstcol = (*it1 == *it2) ? c + 1 + offset : columns.size() - c + offset;
2695                                 while (isPartOfMultiColumn(row, c))
2696                                         ++c;
2697                                 string trim;
2698                                 if (bottomltrims.find(c) != bottomltrims.end()
2699                                      && bottomltrims.find(c)->second)
2700                                         trim = "l";
2701                                 col_type cstart = c;
2702                                 for ( ; c < ncols() - 1 && bottomline.find(c + 1)->second ; ++c) {
2703                                         if (isMultiColumn(cellIndex(row, c))
2704                                             && c < ncols() - 1
2705                                             && isPartOfMultiColumn(row, c + 1))
2706                                                 continue;
2707                                         if (c > cstart
2708                                             && bottomltrims.find(c) != bottomltrims.end()
2709                                             && bottomltrims.find(c)->second) {
2710                                                 if (!isPartOfMultiColumn(row, c))
2711                                                         --c;
2712                                                 break;
2713                                         } else if (bottomrtrims.find(c) != bottomrtrims.end()
2714                                                    && bottomrtrims.find(c)->second)
2715                                                 break;
2716                                 }
2717
2718                                 for (col_type j = cstart ; j < c ; ++j)
2719                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2720                                                 ++offset;
2721                                 col_type lastcol = (*it1 == *it2) ? c + 1 + offset : columns.size() - c + offset;
2722                                 if (bottomrtrims.find(c) != bottomrtrims.end()
2723                                     && bottomrtrims.find(c)->second)
2724                                         trim += "r";
2725
2726                                 os << cline;
2727                                 if (!trim.empty())
2728                                         os << "(" << trim << ")";
2729                                 if (firstcol > lastcol)
2730                                         // This can happen with bidi (swapped columns)
2731                                         os << "{" << lastcol << '-' << firstcol << "}";
2732                                 else
2733                                         os << "{" << firstcol << '-' << lastcol << "}";
2734                                 if (c == columns.size() - 1)
2735                                         break;
2736                                 ++c;
2737                         }
2738                 }
2739         }
2740         os << "\n";
2741 }
2742
2743
2744 void Tabular::TeXCellPreamble(otexstream & os, idx_type cell,
2745                               bool & ismulticol, bool & ismultirow,
2746                               bool const bidi) const
2747 {
2748         row_type const r = cellRow(cell);
2749         if (is_long_tabular && row_info[r].caption)
2750                 return;
2751
2752         Tabular::VAlignment valign =  getVAlignment(cell, !isMultiColumn(cell));
2753         LyXAlignment align = getAlignment(cell, !isMultiColumn(cell));
2754         // figure out how to set the lines
2755         // we always set double lines to the right of the cell
2756         // or left in bidi RTL, respectively.
2757         col_type const c = cellColumn(cell);
2758         col_type const nextcol = c + columnSpan(cell);
2759         bool const decimal = column_info[c].alignment == LYX_ALIGN_DECIMAL;
2760         bool colright = columnRightLine(c);
2761         bool colleft = columnLeftLine(c);
2762         bool nextcolleft = nextcol < ncols() && columnLeftLine(nextcol);
2763         bool nextcellleft = nextcol < ncols()
2764                 && leftLine(cellIndex(r, nextcol));
2765         bool coldouble = colright && nextcolleft;
2766         bool celldouble = rightLine(cell) && nextcellleft;
2767
2768         ismulticol = (isMultiColumn(cell)
2769                       || (c == 0 && colleft != leftLine(cell))
2770                       || ((colright || nextcolleft) && !rightLine(cell) && !nextcellleft)
2771                       || (!colright && !nextcolleft && (rightLine(cell) || nextcellleft))
2772                       || (coldouble != celldouble))
2773                      && !decimal;
2774
2775         // we center in multicol when no decimal point
2776         if (decimal) {
2777                 docstring const align_d = column_info[c].decimal_point;
2778                 DocIterator const dit = separatorPos(cellInset(cell), align_d);
2779                 bool const nosep = !dit;
2780                 ismulticol |= nosep;
2781                 celldouble &= nosep;
2782         }
2783
2784         // up counter by 1 for each decimally aligned col since they use 2 latex cols
2785         int latexcolspan = columnSpan(cell);
2786         for (col_type col = c; col < c + columnSpan(cell); ++col)
2787                 if (column_info[col].alignment == LYX_ALIGN_DECIMAL)
2788                         ++latexcolspan;
2789
2790         if (ismulticol) {
2791                 os << "\\multicolumn{" << latexcolspan << "}{";
2792                 if (((bidi && c == getLastCellInRow(cellRow(0)) && rightLine(cell))
2793                      || (!bidi && c == 0 && leftLine(cell))))
2794                         os << '|';
2795                 if (bidi && celldouble)
2796                         // add extra vertical line if we want a double one
2797                         os << '|';
2798                 if (!cellInfo(cell).align_special.empty()) {
2799                         os << cellInfo(cell).align_special;
2800                 } else {
2801                         if (!getPWidth(cell).zero()) {
2802                                 switch (align) {
2803                                 case LYX_ALIGN_LEFT:
2804                                         os << ">{\\raggedright}";
2805                                         break;
2806                                 case LYX_ALIGN_RIGHT:
2807                                         os << ">{\\raggedleft}";
2808                                         break;
2809                                 case LYX_ALIGN_CENTER:
2810                                         os << ">{\\centering}";
2811                                         break;
2812                                 default:
2813                                         break;
2814                                 }
2815                                 switch (valign) {
2816                                 case LYX_VALIGN_TOP:
2817                                         os << 'p';
2818                                         break;
2819                                 case LYX_VALIGN_MIDDLE:
2820                                         os << 'm';
2821                                         break;
2822                                 case LYX_VALIGN_BOTTOM:
2823                                         os << 'b';
2824                                         break;
2825                                 }
2826                                 os << '{'
2827                                    << from_ascii(getPWidth(cell).asLatexString())
2828                                    << '}';
2829                         } else {
2830                                 switch (align) {
2831                                 case LYX_ALIGN_LEFT:
2832                                         os << 'l';
2833                                         break;
2834                                 case LYX_ALIGN_RIGHT:
2835                                         os << 'r';
2836                                         break;
2837                                 default:
2838                                         os << 'c';
2839                                         break;
2840                                 }
2841                         } // end if else !getPWidth
2842                 } // end if else !cellinfo_of_cell
2843                 if ((bidi && leftLine(cell)) || (!bidi && rightLine(cell)) || nextcellleft)
2844                         os << '|';
2845                 if (!bidi && celldouble)
2846                         // add extra vertical line if we want a double one
2847                         os << '|';
2848                 os << "}{";
2849         } // end if ismulticol
2850
2851         // we only need code for the first multirow cell
2852         ismultirow = isMultiRow(cell);
2853         if (ismultirow) {
2854                 os << "\\multirow{" << rowSpan(cell) << "}{";
2855                 if (!getPWidth(cell).zero())
2856                         os << from_ascii(getPWidth(cell).asLatexString());
2857                 else
2858                         // we need to set a default value
2859                         os << "*";
2860                 os << "}";
2861                 if (!getMROffset(cell).zero())
2862                         os << "[" << from_ascii(getMROffset(cell).asLatexString()) << "]";
2863                 os << "{";
2864         } // end if ismultirow
2865
2866         if (getRotateCell(cell) != 0)
2867                 os << "\\begin{turn}{" << convert<string>(getRotateCell(cell)) << "}\n";
2868
2869         if (getUsebox(cell) == BOX_PARBOX) {
2870                 os << "\\parbox[";
2871                 switch (valign) {
2872                 case LYX_VALIGN_TOP:
2873                         os << 't';
2874                         break;
2875                 case LYX_VALIGN_MIDDLE:
2876                         os << 'c';
2877                         break;
2878                 case LYX_VALIGN_BOTTOM:
2879                         os << 'b';
2880                         break;
2881                 }
2882                 os << "]{" << from_ascii(getPWidth(cell).asLatexString())
2883                    << "}{";
2884         } else if (getUsebox(cell) == BOX_MINIPAGE) {
2885                 os << "\\begin{minipage}[";
2886                 switch (valign) {
2887                 case LYX_VALIGN_TOP:
2888                         os << 't';
2889                         break;
2890                 case LYX_VALIGN_MIDDLE:
2891                         os << 'm';
2892                         break;
2893                 case LYX_VALIGN_BOTTOM:
2894                         os << 'b';
2895                         break;
2896                 }
2897                 os << "]{" << from_ascii(getPWidth(cell).asLatexString())
2898                    << "}\n";
2899         } else if (getRotateCell(cell) != 0 && getUsebox(cell) == BOX_VARWIDTH) {
2900                 os << "\\begin{varwidth}[";
2901                 switch (valign) {
2902                 case LYX_VALIGN_TOP:
2903                         os << 't';
2904                         break;
2905                 case LYX_VALIGN_MIDDLE:
2906                         os << 'm';
2907                         break;
2908                 case LYX_VALIGN_BOTTOM:
2909                         os << 'b';
2910                         break;
2911         }
2912         os << "]{\\linewidth}\n";
2913 }
2914 }
2915
2916
2917 void Tabular::TeXCellPostamble(otexstream & os, idx_type cell,
2918                                bool ismulticol, bool ismultirow) const
2919 {
2920         row_type const r = cellRow(cell);
2921         if (is_long_tabular && row_info[r].caption)
2922                 return;
2923
2924         // usual cells
2925         if (getUsebox(cell) == BOX_PARBOX)
2926                 os << '}';
2927         else if (getUsebox(cell) == BOX_MINIPAGE)
2928                 os << breakln << "\\end{minipage}";
2929         else if (getRotateCell(cell) != 0 && getUsebox(cell) == BOX_VARWIDTH)
2930                 os << breakln << "\\end{varwidth}";
2931         if (getRotateCell(cell) != 0)
2932                 os << breakln << "\\end{turn}";
2933         if (ismultirow)
2934                 os << '}';
2935         if (ismulticol)
2936                 os << '}';
2937 }
2938
2939
2940 void Tabular::TeXLongtableHeaderFooter(otexstream & os,
2941                                        OutputParams const & runparams,
2942                                        list<col_type> columns,
2943                                        list<col_type> logical_columns) const
2944 {
2945         if (!is_long_tabular)
2946                 return;
2947
2948         // caption handling
2949         // output caption which is in no header or footer
2950         if (haveLTCaption()) {
2951                 for (row_type r = 0; r < nrows(); ++r) {
2952                         if (row_info[r].caption &&
2953                             !row_info[r].endfirsthead && !row_info[r].endhead &&
2954                             !row_info[r].endfoot && !row_info[r].endlastfoot)
2955                                 TeXRow(os, r, runparams, columns, logical_columns);
2956                 }
2957         }
2958         // output first header info
2959         if (haveLTFirstHead()) {
2960                 if (endfirsthead.topDL)
2961                         os << "\\hline\n";
2962                 for (row_type r = 0; r < nrows(); ++r) {
2963                         if (row_info[r].endfirsthead)
2964                                 TeXRow(os, r, runparams, columns, logical_columns);
2965                 }
2966                 if (endfirsthead.bottomDL)
2967                         os << "\\hline\n";
2968                 os << "\\endfirsthead\n";
2969         }
2970         // output header info
2971         if (haveLTHead()) {
2972                 if (endfirsthead.empty && !haveLTFirstHead())
2973                         os << "\\endfirsthead\n";
2974                 if (endhead.topDL)
2975                         os << "\\hline\n";
2976                 for (row_type r = 0; r < nrows(); ++r) {
2977                         if (row_info[r].endhead)
2978                                 TeXRow(os, r, runparams, columns, logical_columns);
2979                 }
2980                 if (endhead.bottomDL)
2981                         os << "\\hline\n";
2982                 os << "\\endhead\n";
2983         }
2984         // output footer info
2985         if (haveLTFoot()) {
2986                 if (endfoot.topDL)
2987                         os << "\\hline\n";
2988                 for (row_type r = 0; r < nrows(); ++r) {
2989                         if (row_info[r].endfoot)
2990                                 TeXRow(os, r, runparams, columns, logical_columns);
2991                 }
2992                 if (endfoot.bottomDL)
2993                         os << "\\hline\n";
2994                 os << "\\endfoot\n";
2995                 if (endlastfoot.empty && !haveLTLastFoot())
2996                         os << "\\endlastfoot\n";
2997         }
2998         // output lastfooter info
2999         if (haveLTLastFoot()) {
3000                 if (endlastfoot.topDL)
3001                         os << "\\hline\n";
3002                 for (row_type r = 0; r < nrows(); ++r) {
3003                         if (row_info[r].endlastfoot)
3004                                 TeXRow(os, r, runparams, columns, logical_columns);
3005                 }
3006                 if (endlastfoot.bottomDL)
3007                         os << "\\hline\n";
3008                 os << "\\endlastfoot\n";
3009         }
3010 }
3011
3012
3013 bool Tabular::isValidRow(row_type row) const
3014 {
3015         if (!is_long_tabular)
3016                 return true;
3017         return !row_info[row].endhead && !row_info[row].endfirsthead
3018                 && !row_info[row].endfoot && !row_info[row].endlastfoot
3019                 && !row_info[row].caption;
3020 }
3021
3022
3023 void Tabular::TeXRow(otexstream & os, row_type row,
3024                      OutputParams const & runparams,
3025                      list<col_type> columns, list<col_type> logical_columns) const
3026 {
3027         //output the top line
3028         TeXTopHLine(os, row, columns, logical_columns);
3029
3030         if (row_info[row].top_space_default) {
3031                 if (use_booktabs)
3032                         os << "\\addlinespace\n";
3033                 else
3034                         os << "\\noalign{\\vskip\\doublerulesep}\n";
3035         } else if(!row_info[row].top_space.zero()) {
3036                 if (use_booktabs)
3037                         os << "\\addlinespace["
3038                            << from_ascii(row_info[row].top_space.asLatexString())
3039                            << "]\n";
3040                 else {
3041                         os << "\\noalign{\\vskip"
3042                            << from_ascii(row_info[row].top_space.asLatexString())
3043                            << "}\n";
3044                 }
3045         }
3046         bool ismulticol = false;
3047         bool ismultirow = false;
3048
3049         // The bidi package (loaded by polyglossia with XeTeX) reverses RTL table columns
3050         // Luabibdi (used by LuaTeX) behaves like classic
3051         bool const bidi_rtl =
3052                 runparams.local_font->isRightToLeft()
3053                 && runparams.useBidiPackage();
3054         bool const ct = !buffer().params().output_changes;
3055         idx_type lastcell =
3056                 bidi_rtl ? getFirstCellInRow(row, ct) : getLastCellInRow(row, ct);
3057
3058         for (auto const & c : columns) {
3059                 if (isPartOfMultiColumn(row, c))
3060                         continue;
3061
3062                 idx_type cell = cellIndex(row, c);
3063
3064                 if (isPartOfMultiRow(row, c)
3065                     && column_info[c].alignment != LYX_ALIGN_DECIMAL) {
3066                         if (cell != lastcell)
3067                                 os << " & ";
3068                         continue;
3069                 }
3070
3071                 TeXCellPreamble(os, cell, ismulticol, ismultirow, bidi_rtl);
3072                 InsetTableCell const * inset = cellInset(cell);
3073
3074                 Paragraph const & par = inset->paragraphs().front();
3075
3076                 os.texrow().forceStart(par.id(), 0);
3077
3078                 bool rtl = par.isRTL(buffer().params())
3079                         && !par.empty()
3080                         && getPWidth(cell).zero()
3081                         && !runparams.use_polyglossia;
3082
3083                 if (rtl) {
3084                         string const lang =
3085                                 par.getParLanguage(buffer().params())->lang();
3086                         if (lang == "farsi")
3087                                 os << "\\textFR{";
3088                         else if (lang == "arabic_arabi")
3089                                 os << "\\textAR{";
3090                         // currently, remaining RTL languages are
3091                         // arabic_arabtex and hebrew
3092                         else
3093                                 os << "\\R{";
3094                 }
3095                 // pass to the OutputParams that we are in a cell and
3096                 // which alignment we have set.
3097                 // InsetNewline needs this context information.
3098                 OutputParams newrp(runparams);
3099                 newrp.inTableCell = (getAlignment(cell) == LYX_ALIGN_BLOCK)
3100                                     ? OutputParams::PLAIN
3101                                     : OutputParams::ALIGNED;
3102
3103                 if (getAlignment(cell) == LYX_ALIGN_DECIMAL) {
3104                         // copy cell and split in 2
3105                         InsetTableCell head = InsetTableCell(*cellInset(cell));
3106                         head.setBuffer(const_cast<Buffer &>(buffer()));
3107                         DocIterator dit = cellInset(cell)->getText(0)->macrocontextPosition();
3108                         dit.pop_back();
3109                         dit.push_back(CursorSlice(head));
3110                         head.setMacrocontextPositionRecursive(dit);
3111                         bool hassep = false;
3112                         InsetTableCell tail = splitCell(head, column_info[c].decimal_point, hassep);
3113                         if (hassep) {
3114                                 tail.setBuffer(head.buffer());
3115                                 dit.pop_back();
3116                                 dit.push_back(CursorSlice(tail));
3117                                 tail.setMacrocontextPositionRecursive(dit);
3118                         }
3119                         if (bidi_rtl) {
3120                                 if (hassep) {
3121                                         tail.latex(os, newrp);
3122                                         os << '&';
3123                                 }
3124                                 head.latex(os, newrp);
3125                         } else {
3126                                 head.latex(os, newrp);
3127                                 if (hassep) {
3128                                         os << '&';
3129                                         tail.latex(os, newrp);
3130                                 }
3131                         }
3132                 } else if (ltCaption(row)) {
3133                         // Inside longtable caption rows, we must only output the caption inset
3134                         // with its content and omit anything outside of that (see #10791)
3135                         InsetIterator it = inset_iterator_begin(*const_cast<InsetTableCell *>(inset));
3136                         InsetIterator i_end = inset_iterator_end(*const_cast<InsetTableCell *>(inset));
3137                         for (; it != i_end; ++it) {
3138                                 if (it->lyxCode() != CAPTION_CODE)
3139                                         continue;
3140                                 it->latex(os, runparams);
3141                                 break;
3142                         }
3143                 } else if (!isPartOfMultiRow(row, c)) {
3144                         if (!runparams.nice)
3145                                 os.texrow().start(par.id(), 0);
3146                         inset->latex(os, newrp);
3147                 }
3148
3149                 runparams.encoding = newrp.encoding;
3150                 if (rtl)
3151                         os << '}';
3152
3153                 TeXCellPostamble(os, cell, ismulticol, ismultirow);
3154                 if (cell != lastcell) { // not last cell in row
3155                         if (runparams.nice)
3156                                 os << " & ";
3157                         else
3158                                 os << " &\n";
3159                 }
3160         }
3161         os << "\\tabularnewline";
3162         if (row_info[row].bottom_space_default) {
3163                 if (use_booktabs)
3164                         os << "\\addlinespace";
3165                 else
3166                         os << "[\\doublerulesep]";
3167         } else if (!row_info[row].bottom_space.zero()) {
3168                 if (use_booktabs)
3169                         os << "\\addlinespace";
3170                 os << '['
3171                    << from_ascii(row_info[row].bottom_space.asLatexString())
3172                    << ']';
3173         }
3174         os << '\n';
3175
3176         //output the bottom line
3177         TeXBottomHLine(os, row, columns, logical_columns);
3178
3179         if (row_info[row].interline_space_default) {
3180                 if (use_booktabs)
3181                         os << "\\addlinespace\n";
3182                 else
3183                         os << "\\noalign{\\vskip\\doublerulesep}\n";
3184         } else if (!row_info[row].interline_space.zero()) {
3185                 if (use_booktabs)
3186                         os << "\\addlinespace["
3187                            << from_ascii(row_info[row].interline_space.asLatexString())
3188                            << "]\n";
3189                 else
3190                         os << "\\noalign{\\vskip"
3191                            << from_ascii(row_info[row].interline_space.asLatexString())
3192                            << "}\n";
3193         }
3194 }
3195
3196
3197 void Tabular::latex(otexstream & os, OutputParams const & runparams) const
3198 {
3199         bool const is_tabular_star = !is_long_tabular && !tabular_width.zero()
3200                 && !hasVarwidthColumn();
3201         bool const is_xltabular = is_long_tabular
3202                 && (hasVarwidthColumn() || !tabular_width.zero());
3203         TexRow::RowEntry pos = TexRow::textEntry(runparams.lastid, runparams.lastpos);
3204
3205         //+---------------------------------------------------------------------
3206         //+                      first the opening preamble                    +
3207         //+---------------------------------------------------------------------
3208
3209         os << safebreakln;
3210         if (!TexRow::isNone(pos))
3211                 os.texrow().start(pos);
3212
3213         if (rotate != 0) {
3214                 if (is_long_tabular)
3215                         os << "\\begin{landscape}\n";
3216                 else
3217                         os << "\\begin{turn}{" << convert<string>(rotate) << "}\n";
3218         }
3219
3220         // The bidi package (loaded by polyglossia with XeTeX) swaps the column
3221         // order for RTL (#9686). Thus we use this list.
3222         bool const bidi_rtl =
3223                 runparams.local_font->isRightToLeft()
3224                 && runparams.useBidiPackage();
3225         list<col_type> columns;
3226         list<col_type> logical_columns;
3227         for (col_type cl = 0; cl < ncols(); ++cl) {
3228                 if (!buffer().params().output_changes && column_info[cl].change.deleted())
3229                         continue;
3230                 if (bidi_rtl)
3231                         columns.push_front(cl);
3232                 else
3233                         columns.push_back(cl);
3234                 // for some calculations, we need the logical (non-swapped)
3235                 // columns also in bidi.
3236                 logical_columns.push_back(cl);
3237         }
3238
3239         // If we use \cline or \cmidrule, we need to locally de-activate
3240         // the - character when using languages that activate it (e.g., Czech, Slovak).
3241         bool deactivate_chars = false;
3242         if ((runparams.use_babel || runparams.use_polyglossia)
3243             && contains(runparams.active_chars, '-')) {
3244                 bool have_clines = false;
3245                 // Check if we use \cline or \cmidrule
3246                 for (row_type row = 0; row < nrows(); ++row) {
3247                         col_type bset = 0, tset = 0;
3248                         for (auto const & c : columns) {
3249                                 idx_type const idx = cellIndex(row, c);
3250                                 if (bottomLineTrim(idx).first || bottomLineTrim(idx).second
3251                                     || topLineTrim(idx).first || topLineTrim(idx).second) {
3252                                         have_clines = true;
3253                                         break;
3254                                 }
3255                                 if (bottomLine(cellIndex(row, c)))
3256                                         ++bset;
3257                                 if (topLine(cellIndex(row, c)))
3258                                         ++tset;
3259                         }
3260                         if ((bset > 0 && bset < ncols()) || (tset > 0 && tset < ncols())) {
3261                                 have_clines = true;
3262                                 break;
3263                         }
3264                 }
3265                 if (have_clines) {
3266                         deactivate_chars = true;
3267                         os << "\\begingroup\n"
3268                            << "\\catcode`\\-=12\n";
3269                 }
3270         }
3271
3272         if (is_long_tabular) {
3273                 if (is_xltabular)
3274                         os << "\\begin{xltabular}";
3275                 else
3276                         os << "\\begin{longtable}";
3277                 switch (longtabular_alignment) {
3278                 case LYX_LONGTABULAR_ALIGN_LEFT:
3279                         os << "[l]";
3280                         break;
3281                 case LYX_LONGTABULAR_ALIGN_CENTER:
3282                         os << "[c]";
3283                         break;
3284                 case LYX_LONGTABULAR_ALIGN_RIGHT:
3285                         os << "[r]";
3286                         break;
3287                 }
3288                 if (is_xltabular) {
3289                         if (tabular_width.zero())
3290                                 os << "{" << from_ascii("\\columnwidth") << "}";
3291                         else
3292                                 os << "{" << from_ascii(tabular_width.asLatexString()) << "}";
3293                 }
3294         } else {
3295                 if (is_tabular_star)
3296                         os << "\\begin{tabular*}{" << from_ascii(tabular_width.asLatexString()) << "}";
3297                 else if (hasVarwidthColumn()) {
3298                         os << "\\begin{tabularx}{";
3299                         if (tabular_width.zero())
3300                                 os << from_ascii("\\columnwidth") << "}";
3301                         else
3302                                 os << from_ascii(tabular_width.asLatexString()) << "}";
3303                 } else
3304                         os << "\\begin{tabular}";
3305                 switch (tabular_valignment) {
3306                 case LYX_VALIGN_TOP:
3307                         os << "[t]";
3308                         break;
3309                 case LYX_VALIGN_MIDDLE:
3310                         break;
3311                 case LYX_VALIGN_BOTTOM:
3312                         os << "[b]";
3313                         break;
3314                 }
3315         }
3316
3317         os << "{";
3318
3319         if (is_tabular_star)
3320                 os << "@{\\extracolsep{\\fill}}";
3321
3322         for (auto const & c : columns) {
3323                 if ((bidi_rtl && columnRightLine(c)) || (!bidi_rtl && columnLeftLine(c)))
3324                         os << '|';
3325                 if (!column_info[c].align_special.empty()) {
3326                         os << column_info[c].align_special;
3327                 } else {
3328                         if (!column_info[c].p_width.zero()) {
3329                                 bool decimal = false;
3330                                 switch (column_info[c].alignment) {
3331                                 case LYX_ALIGN_LEFT:
3332                                         os << ">{\\raggedright}";
3333                                         break;
3334                                 case LYX_ALIGN_RIGHT:
3335                                         os << ">{\\raggedleft}";
3336                                         break;
3337                                 case LYX_ALIGN_CENTER:
3338                                         os << ">{\\centering}";
3339                                         break;
3340                                 case LYX_ALIGN_NONE:
3341                                 case LYX_ALIGN_BLOCK:
3342                                 case LYX_ALIGN_LAYOUT:
3343                                 case LYX_ALIGN_SPECIAL:
3344                                         break;
3345                                 case LYX_ALIGN_DECIMAL: {
3346                                         if (bidi_rtl)
3347                                                 os << ">{\\raggedright}";
3348                                         else
3349                                                 os << ">{\\raggedleft}";
3350                                         decimal = true;
3351                                         break;
3352                                 }
3353                                 }
3354
3355                                 char valign = 'p';
3356                                 switch (column_info[c].valignment) {
3357                                 case LYX_VALIGN_TOP:
3358                                         // this is the default
3359                                         break;
3360                                 case LYX_VALIGN_MIDDLE:
3361                                         valign = 'm';
3362                                         break;
3363                                 case LYX_VALIGN_BOTTOM:
3364                                         valign = 'b';
3365                                         break;
3366                                 }
3367                                 os << valign;
3368
3369                                 // Fixed-width cells with alignment at decimal separator
3370                                 // are output as two cells of half the width with the decimal
3371                                 // separator as column sep. This effectively puts the content
3372                                 // centered, which differs from the normal decimal sep alignment
3373                                 // and is not ideal, but we cannot do better ATM (see #9568).
3374                                 // FIXME: Implement proper decimal sep alignment, e.g. via siunitx.
3375                                 if (decimal) {
3376                                         docstring const halffixedwith =
3377                                                 from_ascii(Length(column_info[c].p_width.value() / 2,
3378                                                                   column_info[c].p_width.unit()).asLatexString());
3379                                         os << '{'
3380                                            << halffixedwith
3381                                            << '}'
3382                                            << "@{\\extracolsep{0pt}" << column_info[c].decimal_point << "}"
3383                                            << valign
3384                                            << '{'
3385                                            << halffixedwith
3386                                            << '}';
3387                                 } else
3388                                         os << '{'
3389                                            << from_ascii(column_info[c].p_width.asLatexString())
3390                                            << '}';
3391                         } else if (column_info[c].varwidth) {
3392                                 switch (column_info[c].alignment) {
3393                                 case LYX_ALIGN_LEFT:
3394                                         os << ">{\\raggedright\\arraybackslash}";
3395                                         break;
3396                                 case LYX_ALIGN_RIGHT:
3397                                         os << ">{\\raggedleft\\arraybackslash}";
3398                                         break;
3399                                 case LYX_ALIGN_CENTER:
3400                                         os << ">{\\centering\\arraybackslash}";
3401                                         break;
3402                                 case LYX_ALIGN_NONE:
3403                                 case LYX_ALIGN_BLOCK:
3404                                 case LYX_ALIGN_LAYOUT:
3405                                 case LYX_ALIGN_SPECIAL:
3406                                 case LYX_ALIGN_DECIMAL:
3407                                         break;
3408                                 }
3409                                 os << 'X';
3410                         } else if (isVTypeColumn(c)) {
3411                                 switch (column_info[c].alignment) {
3412                                 case LYX_ALIGN_LEFT:
3413                                         os << ">{\\raggedright}";
3414                                         break;
3415                                 case LYX_ALIGN_RIGHT:
3416                                         os << ">{\\raggedleft}";
3417                                         break;
3418                                 case LYX_ALIGN_CENTER:
3419                                         os << ">{\\centering}";
3420                                         break;
3421                                 case LYX_ALIGN_NONE:
3422                                 case LYX_ALIGN_BLOCK:
3423                                 case LYX_ALIGN_LAYOUT:
3424                                 case LYX_ALIGN_SPECIAL:
3425                                 case LYX_ALIGN_DECIMAL:
3426                                         break;
3427                                 }
3428                                 os << "V{\\linewidth}";
3429                         } else {
3430                                 switch (column_info[c].alignment) {
3431                                 case LYX_ALIGN_LEFT:
3432                                         os << 'l';
3433                                         break;
3434                                 case LYX_ALIGN_RIGHT:
3435                                         os << 'r';
3436                                         break;
3437                                 case LYX_ALIGN_DECIMAL:
3438                                         os << "r@{\\extracolsep{0pt}" << column_info[c].decimal_point << "}l";
3439                                         break;
3440                                 default:
3441                                         os << 'c';
3442                                         break;
3443                                 }
3444                         } // end if else !column_info[i].p_width
3445                 } // end if else !column_info[i].align_special
3446                 if ((bidi_rtl && columnLeftLine(c)) || (!bidi_rtl && columnRightLine(c)))
3447                         os << '|';
3448         }
3449         os << "}\n";
3450
3451         TeXLongtableHeaderFooter(os, runparams, columns, logical_columns);
3452
3453         //+---------------------------------------------------------------------
3454         //+                      the single row and columns (cells)            +
3455         //+---------------------------------------------------------------------
3456
3457         for (row_type r = 0; r < nrows(); ++r) {
3458                 if (!buffer().params().output_changes && row_info[r].change.deleted())
3459                         continue;
3460                 if (isValidRow(r)) {
3461                         TeXRow(os, r, runparams, columns, logical_columns);
3462                         if (is_long_tabular && row_info[r].newpage)
3463                                 os << "\\newpage\n";
3464                 }
3465         }
3466
3467         //+---------------------------------------------------------------------
3468         //+                      the closing of the tabular                    +
3469         //+---------------------------------------------------------------------
3470
3471         if (is_long_tabular) {
3472                 if (is_xltabular)
3473                         os << "\\end{xltabular}";
3474                 else
3475                         os << "\\end{longtable}";
3476         } else {
3477                 if (is_tabular_star)
3478                         os << "\\end{tabular*}";
3479                 else if (hasVarwidthColumn())
3480                         os << "\\end{tabularx}";
3481                 else
3482                         os << "\\end{tabular}";
3483         }
3484
3485         if (deactivate_chars)
3486                 // close the group
3487                 os << "\n\\endgroup\n";
3488
3489         if (rotate != 0) {
3490                 if (is_long_tabular)
3491                         os << breakln << "\\end{landscape}";
3492                 else
3493                         os << breakln << "\\end{turn}";
3494         }
3495
3496         if (!TexRow::isNone(pos))
3497                 os.texrow().start(pos);
3498 }
3499
3500
3501 void Tabular::docbookRow(XMLStream & xs, row_type row,
3502                    OutputParams const & runparams, bool header) const
3503 {
3504         switch (buffer().params().docbook_table_output) {
3505         case BufferParams::HTMLTable:
3506                 docbookRowAsHTML(xs, row, runparams, header);
3507                 break;
3508         case BufferParams::CALSTable:
3509                 docbookRowAsCALS(xs, row, runparams);
3510                 break;
3511         }
3512 }
3513
3514
3515 void Tabular::docbookRowAsHTML(XMLStream & xs, row_type row,
3516                    OutputParams const & runparams, bool header) const
3517 {
3518         string const celltag = header ? "th" : "td";
3519         idx_type cell = getFirstCellInRow(row);
3520
3521         xs << xml::StartTag("tr");
3522         xs << xml::CR();
3523         for (col_type c = 0; c < ncols(); ++c) {
3524                 if (isPartOfMultiColumn(row, c) || isPartOfMultiRow(row, c))
3525                         continue;
3526
3527                 stringstream attr;
3528
3529                 Length const cwidth = column_info[c].p_width;
3530                 if (!cwidth.zero()) {
3531                         string const hwidth = cwidth.asHTMLString();
3532                         attr << "style =\"width: " << hwidth << ";\" ";
3533                 }
3534
3535                 attr << "align='";
3536                 switch (getAlignment(cell)) {
3537                 case LYX_ALIGN_BLOCK:
3538                         attr << "justify";
3539                         break;
3540                 case LYX_ALIGN_DECIMAL: {
3541                         Language const *tlang = buffer().paragraphs().front().getParLanguage(buffer().params());
3542                         attr << "char' char='" << to_utf8(tlang->decimalSeparator());
3543                 }
3544                         break;
3545                 case LYX_ALIGN_LEFT:
3546                         attr << "left";
3547                         break;
3548                 case LYX_ALIGN_RIGHT:
3549                         attr << "right";
3550                         break;
3551                 default:
3552                         attr << "center";
3553                         break;
3554                 }
3555                 attr << "'";
3556                 attr << " valign='";
3557                 switch (getVAlignment(cell)) {
3558                 case LYX_VALIGN_TOP:
3559                         attr << "top";
3560                         break;
3561                 case LYX_VALIGN_BOTTOM:
3562                         attr << "bottom";
3563                         break;
3564                 case LYX_VALIGN_MIDDLE:
3565                         attr << "middle";
3566                 }
3567                 attr << "'";
3568
3569                 if (isMultiColumn(cell))
3570                         attr << " colspan='" << columnSpan(cell) << "'";
3571                 else if (isMultiRow(cell))
3572                         attr << " rowspan='" << rowSpan(cell) << "'";
3573
3574                 xs << xml::StartTag(celltag, attr.str(), true);
3575                 cellInset(cell)->docbook(xs, runparams);
3576                 xs << xml::EndTag(celltag);
3577                 xs << xml::CR();
3578                 ++cell;
3579         }
3580         xs << xml::EndTag("tr");
3581         xs << xml::CR();
3582 }
3583
3584
3585 void Tabular::docbookRowAsCALS(XMLStream & xs, row_type row,
3586                                 OutputParams const & runparams) const
3587 {
3588         idx_type cell = getFirstCellInRow(row);
3589
3590         xs << xml::StartTag("row");
3591         xs << xml::CR();
3592         for (col_type c = 0; c < ncols(); ++c) {
3593                 if (isPartOfMultiColumn(row, c) || isPartOfMultiRow(row, c))
3594                         continue;
3595
3596                 stringstream attr;
3597
3598                 attr << "align='";
3599                 switch (getAlignment(cell)) {
3600                 case LYX_ALIGN_BLOCK:
3601                         attr << "justify";
3602                         break;
3603                 case LYX_ALIGN_DECIMAL: {
3604                         Language const *tlang = buffer().paragraphs().front().getParLanguage(buffer().params());
3605                         attr << "char' char='" << to_utf8(tlang->decimalSeparator());
3606                 }
3607                         break;
3608                 case LYX_ALIGN_LEFT:
3609                         attr << "left";
3610                         break;
3611                 case LYX_ALIGN_RIGHT:
3612                         attr << "right";
3613                         break;
3614
3615                 default:
3616                         attr << "center";
3617                         break;
3618                 }
3619                 attr << "'";
3620                 attr << " valign='";
3621                 switch (getVAlignment(cell)) {
3622                 case LYX_VALIGN_TOP:
3623                         attr << "top";
3624                         break;
3625                 case LYX_VALIGN_BOTTOM:
3626                         attr << "bottom";
3627                         break;
3628                 case LYX_VALIGN_MIDDLE:
3629                         attr << "middle";
3630                 }
3631                 attr << "'";
3632
3633                 if (isMultiColumn(cell))
3634                         attr << " colspan='" << columnSpan(cell) << "'";
3635                 else if (isMultiRow(cell))
3636                         attr << " rowspan='" << rowSpan(cell) << "'";
3637                 else
3638                         attr << " colname='c" << (c + 1) << "'"; // Column numbering starts at 1.
3639
3640                 // All cases where there should be a line *below* this row.
3641                 if (row_info[row].bottom_space_default)
3642                         attr << " rowsep='1'";
3643
3644                 xs << xml::StartTag("entry", attr.str(), true);
3645                 cellInset(cell)->docbook(xs, runparams);
3646                 xs << xml::EndTag("entry");
3647                 xs << xml::CR();
3648                 ++cell;
3649         }
3650         xs << xml::EndTag("row");
3651         xs << xml::CR();
3652 }
3653
3654
3655 void Tabular::docbook(XMLStream & xs, OutputParams const & runparams) const
3656 {
3657         docstring ret;
3658
3659         // Some tables are inline. Likely limitation: cannot output a table within a table; is that really a limitation?
3660         if (!runparams.docbook_in_table) { // Check on the *outer* set of parameters, so that the table can be closed
3661                 // properly at the end of this function.
3662                 xs << xml::StartTag("informaltable");
3663                 xs << xml::CR();
3664         }
3665
3666         // "Formal" tables have a title and use the tag <table>; the distinction with <informaltable> is done outside.
3667         // HTML has the caption first with titles forbidden, and CALS has a title first.
3668         if (haveLTCaption()) {
3669                 std::string tag = ((buffer().params().docbook_table_output) == BufferParams::HTMLTable) ? "caption" : "title";
3670
3671                 xs << xml::StartTag(tag);
3672                 for (row_type r = 0; r < nrows(); ++r)
3673                         if (row_info[r].caption)
3674                                 docbookRow(xs, r, runparams);
3675                 xs << xml::EndTag(tag);
3676                 xs << xml::CR();
3677         }
3678
3679         // CALS header: describe all columns in this table. For names, take 'c' then the ID of the column.
3680         // Start at one, as is customary with CALS!
3681         if (buffer().params().docbook_table_output == BufferParams::CALSTable) {
3682                 for (col_type c = 0; c < ncols(); ++c) {
3683                         std::stringstream attr;
3684                         attr << "colnum='" << (c + 1) << "' ";
3685                         attr << "colname='c" << (c + 1) << "' ";
3686                         Length const cwidth = column_info[c].p_width;
3687                         if (!cwidth.zero())
3688                                 attr << "colwidth='" << cwidth.asHTMLString() << "' ";
3689                         attr << "rowheader='norowheader'"; // Last attribute, hence no space at the end.
3690
3691                         xs << xml::CompTag("colspec", attr.str());
3692                         xs << xml::CR();
3693                 }
3694         }
3695
3696         // Output the header of the table. For both HTML and CALS, this is surrounded by a thead.
3697         bool const havefirsthead = haveLTFirstHead(false);
3698         // if we have a first head, then we are going to ignore the
3699         // headers for the additional pages, since there aren't any
3700         // in DocBook. this test accomplishes that.
3701         bool const havehead = !havefirsthead && haveLTHead(false);
3702         if (havehead || havefirsthead) {
3703                 xs << xml::StartTag("thead") << xml::CR();
3704                 for (row_type r = 0; r < nrows(); ++r) {
3705                         if (((havefirsthead && row_info[r].endfirsthead) ||
3706                              (havehead && row_info[r].endhead)) &&
3707                             !row_info[r].caption) {
3708                                 docbookRow(xs, r, runparams, true); // TODO: HTML vs CALS
3709                         }
3710                 }
3711                 xs << xml::EndTag("thead");
3712                 xs << xml::CR();
3713         }
3714
3715         // Output the footer of the table. For both HTML and CALS, this is surrounded by a tfoot and output just after
3716         // the header (and before the body).
3717         bool const havelastfoot = haveLTLastFoot(false);
3718         // as before.
3719         bool const havefoot = !havelastfoot && haveLTFoot(false);
3720         if (havefoot || havelastfoot) {
3721                 xs << xml::StartTag("tfoot") << xml::CR();
3722                 for (row_type r = 0; r < nrows(); ++r) {
3723                         if (((havelastfoot && row_info[r].endlastfoot) ||
3724                              (havefoot && row_info[r].endfoot)) &&
3725                             !row_info[r].caption) {
3726                                 docbookRow(xs, r, runparams); // TODO: HTML vs CALS
3727                         }
3728                 }
3729                 xs << xml::EndTag("tfoot");
3730                 xs << xml::CR();
3731         }
3732
3733         // Output the main part of the table. The tbody container is mandatory for CALS, but optional for HTML (only if
3734         // there is no header and no footer). It never hurts to have it, though.
3735         xs << xml::StartTag("tbody");
3736         xs << xml::CR();
3737         for (row_type r = 0; r < nrows(); ++r)
3738                 if (isValidRow(r))
3739                         docbookRow(xs, r, runparams);
3740         xs << xml::EndTag("tbody");
3741         xs << xml::CR();
3742
3743         // If this method started the table tag, also make it close it.
3744         if (!runparams.docbook_in_table) {
3745                 xs << xml::EndTag("informaltable");
3746                 xs << xml::CR();
3747         }
3748 }
3749
3750
3751 docstring Tabular::xhtmlRow(XMLStream & xs, row_type row,
3752                            OutputParams const & runparams, bool header) const
3753 {
3754         docstring ret;
3755         string const celltag = header ? "th" : "td";
3756         idx_type cell = getFirstCellInRow(row);
3757
3758         xs << xml::StartTag("tr");
3759         for (col_type c = 0; c < ncols(); ++c) {
3760                 if (isPartOfMultiColumn(row, c) || isPartOfMultiRow(row, c))
3761                         continue;
3762
3763                 stringstream attr;
3764
3765                 Length const cwidth = column_info[c].p_width;
3766                 if (!cwidth.zero()) {
3767                         string const hwidth = cwidth.asHTMLString();
3768                         attr << "style =\"width: " << hwidth << ";\" ";
3769                 }
3770
3771                 attr << "align='";
3772                 switch (getAlignment(cell)) {
3773                 case LYX_ALIGN_LEFT:
3774                         attr << "left";
3775                         break;
3776                 case LYX_ALIGN_RIGHT:
3777                         attr << "right";
3778                         break;
3779                 default:
3780                         attr << "center";
3781                         break;
3782                 }
3783                 attr << "'";
3784                 attr << " valign='";
3785                 switch (getVAlignment(cell)) {
3786                 case LYX_VALIGN_TOP:
3787                         attr << "top";
3788                         break;
3789                 case LYX_VALIGN_BOTTOM:
3790                         attr << "bottom";
3791                         break;
3792                 case LYX_VALIGN_MIDDLE:
3793                         attr << "middle";
3794                 }
3795                 attr << "'";
3796
3797                 if (isMultiColumn(cell))
3798                         attr << " colspan='" << columnSpan(cell) << "'";
3799                 else if (isMultiRow(cell))
3800                         attr << " rowspan='" << rowSpan(cell) << "'";
3801
3802                 xs << xml::StartTag(celltag, attr.str(), true) << xml::CR();
3803                 ret += cellInset(cell)->xhtml(xs, runparams);
3804                 xs << xml::EndTag(celltag) << xml::CR();
3805                 ++cell;
3806         }
3807         xs << xml::EndTag("tr");
3808         return ret;
3809 }
3810
3811
3812 docstring Tabular::xhtml(XMLStream & xs, OutputParams const & runparams) const
3813 {
3814         docstring ret;
3815
3816         if (is_long_tabular) {
3817                 // we'll wrap it in a div, so as to deal with alignment
3818                 string align;
3819                 switch (longtabular_alignment) {
3820                 case LYX_LONGTABULAR_ALIGN_LEFT:
3821                         align = "left";
3822                         break;
3823                 case LYX_LONGTABULAR_ALIGN_CENTER:
3824                         align = "center";
3825                         break;
3826                 case LYX_LONGTABULAR_ALIGN_RIGHT:
3827                         align = "right";
3828                         break;
3829                 }
3830                 xs << xml::StartTag("div", "class='longtable' style='text-align: " + align + ";'");
3831                 xs << xml::CR();
3832                 // The caption flag wins over head/foot
3833                 if (haveLTCaption()) {
3834                         xs << xml::StartTag("div", "class='longtable-caption' style='text-align: " + align + ";'");
3835                         xs << xml::CR();
3836                         for (row_type r = 0; r < nrows(); ++r)
3837                                 if (row_info[r].caption)
3838                                         ret += xhtmlRow(xs, r, runparams);
3839                         xs << xml::EndTag("div");
3840                         xs << xml::CR();
3841                 }
3842         }
3843
3844         xs << xml::StartTag("table");
3845         xs << xml::CR();
3846
3847         // output header info
3848         bool const havefirsthead = haveLTFirstHead(false);
3849         // if we have a first head, then we are going to ignore the
3850         // headers for the additional pages, since there aren't any
3851         // in XHTML. this test accomplishes that.
3852         bool const havehead = !havefirsthead && haveLTHead(false);
3853         if (havehead || havefirsthead) {
3854                 xs << xml::StartTag("thead");
3855                 xs << xml::CR();
3856                 for (row_type r = 0; r < nrows(); ++r) {
3857                         if (((havefirsthead && row_info[r].endfirsthead) ||
3858                              (havehead && row_info[r].endhead)) &&
3859                             !row_info[r].caption) {
3860                                 ret += xhtmlRow(xs, r, runparams, true);
3861                         }
3862                 }
3863                 xs << xml::EndTag("thead");
3864                 xs << xml::CR();
3865         }
3866         // output footer info
3867         bool const havelastfoot = haveLTLastFoot(false);
3868         // as before.
3869         bool const havefoot = !havelastfoot && haveLTFoot(false);
3870         if (havefoot || havelastfoot) {
3871                 xs << xml::StartTag("tfoot") << xml::CR();
3872                 for (row_type r = 0; r < nrows(); ++r) {
3873                         if (((havelastfoot && row_info[r].endlastfoot) ||
3874                              (havefoot && row_info[r].endfoot)) &&
3875                             !row_info[r].caption) {
3876                                 ret += xhtmlRow(xs, r, runparams);
3877                         }
3878                 }
3879                 xs << xml::EndTag("tfoot");
3880                 xs << xml::CR();
3881         }
3882
3883         xs << xml::StartTag("tbody") << xml::CR();
3884         for (row_type r = 0; r < nrows(); ++r)
3885                 if (isValidRow(r))
3886                         ret += xhtmlRow(xs, r, runparams);
3887         xs << xml::EndTag("tbody");
3888         xs << xml::CR();
3889         xs << xml::EndTag("table");
3890         xs << xml::CR();
3891         if (is_long_tabular) {
3892                 xs << xml::EndTag("div");
3893                 xs << xml::CR();
3894         }
3895         return ret;
3896 }
3897
3898
3899 bool Tabular::plaintextTopHLine(odocstringstream & os, row_type row,
3900                                    vector<unsigned int> const & clen) const
3901 {
3902         idx_type const fcell = getFirstCellInRow(row);
3903         idx_type const n = numberOfCellsInRow(row) + fcell;
3904         idx_type tmp = 0;
3905
3906         for (idx_type i = fcell; i < n; ++i) {
3907                 if (topLine(i)) {
3908                         ++tmp;
3909                         break;
3910                 }
3911         }
3912         if (!tmp)
3913                 return false;
3914
3915         char_type ch;
3916         for (idx_type i = fcell; i < n; ++i) {
3917                 if (topLine(i)) {
3918                         if (leftLine(i))
3919                                 os << "+-";
3920                         else
3921                                 os << "--";
3922                         ch = '-';
3923                 } else {
3924                         os << "  ";
3925                         ch = ' ';
3926                 }
3927                 col_type column = cellColumn(i);
3928                 int len = clen[column];
3929                 while (column < ncols() - 1
3930                        && isPartOfMultiColumn(row, ++column))
3931                         len += clen[column] + 4;
3932                 os << docstring(len, ch);
3933                 if (topLine(i)) {
3934                         if (rightLine(i))
3935                                 os << "-+";
3936                         else
3937                                 os << "--";
3938                 } else {
3939                         os << "  ";
3940                 }
3941         }
3942         os << endl;
3943         return true;
3944 }
3945
3946
3947 bool Tabular::plaintextBottomHLine(odocstringstream & os, row_type row,
3948                                       vector<unsigned int> const & clen) const
3949 {
3950         idx_type const fcell = getFirstCellInRow(row);
3951         idx_type const n = numberOfCellsInRow(row) + fcell;
3952         idx_type tmp = 0;
3953
3954         for (idx_type i = fcell; i < n; ++i) {
3955                 if (bottomLine(i)) {
3956                         ++tmp;
3957                         break;
3958                 }
3959         }
3960         if (!tmp)
3961                 return false;
3962
3963         char_type ch;
3964         for (idx_type i = fcell; i < n; ++i) {
3965                 if (bottomLine(i)) {
3966                         if (leftLine(i))
3967                                 os << "+-";
3968                         else
3969                                 os << "--";
3970                         ch = '-';
3971                 } else {
3972                         os << "  ";
3973                         ch = ' ';
3974                 }
3975                 col_type column = cellColumn(i);
3976                 int len = clen[column];
3977                 while (column < ncols() - 1 && isPartOfMultiColumn(row, ++column))
3978                         len += clen[column] + 4;
3979                 os << docstring(len, ch);
3980                 if (bottomLine(i)) {
3981                         if (rightLine(i))
3982                                 os << "-+";
3983                         else
3984                                 os << "--";
3985                 } else {
3986                         os << "  ";
3987                 }
3988         }
3989         os << endl;
3990         return true;
3991 }
3992
3993
3994 void Tabular::plaintextPrintCell(odocstringstream & os,
3995                                OutputParams const & runparams,
3996                                idx_type cell, row_type row, col_type column,
3997                                vector<unsigned int> const & clen,
3998                                bool onlydata, size_t max_length) const
3999 {
4000         odocstringstream sstr;
4001         cellInset(cell)->plaintext(sstr, runparams, max_length);
4002
4003         if (onlydata) {
4004                 os << sstr.str();
4005                 return;
4006         }
4007
4008         if (leftLine(cell))
4009                 os << "| ";
4010         else
4011                 os << "  ";
4012
4013         unsigned int len1 = sstr.str().length();
4014         unsigned int len2 = clen[column];
4015         while (column < ncols() - 1 && isPartOfMultiColumn(row, ++column))
4016                 len2 += clen[column] + 4;
4017         len2 -= len1;
4018
4019         switch (getAlignment(cell)) {
4020         default:
4021         case LYX_ALIGN_LEFT:
4022                 len1 = 0;
4023                 break;
4024         case LYX_ALIGN_RIGHT:
4025                 len1 = len2;
4026                 len2 = 0;
4027                 break;
4028         case LYX_ALIGN_CENTER:
4029                 len1 = len2 / 2;
4030                 len2 -= len1;
4031                 break;
4032         }
4033
4034         os << docstring(len1, ' ') << sstr.str()
4035            << docstring(len2, ' ');
4036
4037         if (rightLine(cell))
4038                 os << " |";
4039         else
4040                 os << "  ";
4041 }
4042
4043
4044 void Tabular::plaintext(odocstringstream & os,
4045                            OutputParams const & runparams, int const depth,
4046                            bool onlydata, char_type delim, size_t max_length) const
4047 {
4048         // first calculate the width of the single columns
4049         vector<unsigned int> clen(ncols());
4050
4051         if (!onlydata) {
4052                 // first all non multicolumn cells!
4053                 for (col_type c = 0; c < ncols(); ++c) {
4054                         clen[c] = 0;
4055                         for (row_type r = 0; r < nrows(); ++r) {
4056                                 idx_type cell = cellIndex(r, c);
4057                                 if (isMultiColumn(cell))
4058                                         continue;
4059                                 odocstringstream sstr;
4060                                 cellInset(cell)->plaintext(sstr, runparams, max_length);
4061                                 if (clen[c] < sstr.str().length())
4062                                         clen[c] = sstr.str().length();
4063                         }
4064                 }
4065                 // then all multicolumn cells!
4066                 for (col_type c = 0; c < ncols(); ++c) {
4067                         for (row_type r = 0; r < nrows(); ++r) {
4068                                 idx_type cell = cellIndex(r, c);
4069                                 if (cell_info[r][c].multicolumn != CELL_BEGIN_OF_MULTICOLUMN)
4070                                         continue;
4071                                 odocstringstream sstr;
4072                                 cellInset(cell)->plaintext(sstr, runparams, max_length);
4073                                 int len = int(sstr.str().length());
4074                                 idx_type const n = columnSpan(cell);
4075                                 for (col_type k = c; len > 0 && k < c + n - 1; ++k)
4076                                         len -= clen[k];
4077                                 if (len > int(clen[c + n - 1]))
4078                                         clen[c + n - 1] = len;
4079                         }
4080                 }
4081         }
4082         idx_type cell = 0;
4083         for (row_type r = 0; r < nrows(); ++r) {
4084                 if (!onlydata && plaintextTopHLine(os, r, clen))
4085                         os << docstring(depth * 2, ' ');
4086                 for (col_type c = 0; c < ncols(); ++c) {
4087                         if (isPartOfMultiColumn(r, c) || isPartOfMultiRow(r,c))
4088                                 continue;
4089                         if (onlydata && c > 0)
4090                                 // we don't use operator<< for single UCS4 character.
4091                                 // see explanation in docstream.h
4092                                 os.put(delim);
4093                         plaintextPrintCell(os, runparams, cell, r, c, clen, onlydata, max_length);
4094                         ++cell;
4095                         if (os.str().size() > max_length)
4096                                 break;
4097                 }
4098                 os << endl;
4099                 if (!onlydata) {
4100                         os << docstring(depth * 2, ' ');
4101                         if (plaintextBottomHLine(os, r, clen))
4102                                 os << docstring(depth * 2, ' ');
4103                 }
4104                 if (os.str().size() > max_length)
4105                         break;
4106         }
4107 }
4108
4109
4110 shared_ptr<InsetTableCell> Tabular::cellInset(idx_type cell)
4111 {
4112         return cell_info[cellRow(cell)][cellColumn(cell)].inset;
4113 }
4114
4115
4116 shared_ptr<InsetTableCell> Tabular::cellInset(row_type row, col_type column)
4117 {
4118         return cell_info[row][column].inset;
4119 }
4120
4121
4122 InsetTableCell const * Tabular::cellInset(idx_type cell) const
4123 {
4124         return cell_info[cellRow(cell)][cellColumn(cell)].inset.get();
4125 }
4126
4127
4128 void Tabular::setCellInset(row_type row, col_type column,
4129                            shared_ptr<InsetTableCell> ins)
4130 {
4131         CellData & cd = cell_info[row][column];
4132         cd.inset = ins;
4133 }
4134
4135
4136 void Tabular::validate(LaTeXFeatures & features) const
4137 {
4138         features.require("NeedTabularnewline");
4139         if (use_booktabs)
4140                 features.require("booktabs");
4141         if (is_long_tabular && !hasVarwidthColumn()) {
4142                 if (tabular_width.zero())
4143                         features.require("longtable");
4144                 else
4145                         features.require("xltabular");
4146         }
4147         if (rotate && is_long_tabular)
4148                 features.require("lscape");
4149         if (needRotating())
4150                 features.require("rotating");
4151         if (hasVarwidthColumn()) {
4152                 if (is_long_tabular)
4153                         features.require("xltabular");
4154                 else
4155                         features.require("tabularx");
4156         }
4157         for (idx_type cell = 0; cell < numberofcells; ++cell) {
4158                 if (isMultiRow(cell))
4159                         features.require("multirow");
4160                 if (getUsebox(cell) == BOX_VARWIDTH)
4161                         features.require("varwidth");
4162                 if (getVAlignment(cell) != LYX_VALIGN_TOP
4163                     || !getPWidth(cell).zero()
4164                     || isVTypeColumn(cellColumn(cell)))
4165                         features.require("array");
4166                 // Tell footnote that we need a savenote
4167                 // environment in non-long tables or
4168                 // longtable headers/footers
4169                 else if (!is_long_tabular && !features.inFloat())
4170                         features.saveNoteEnv("tabular");
4171                 else if (!isValidRow(cellRow(cell)))
4172                         features.saveNoteEnv("longtable");
4173
4174                 cellInset(cell)->validate(features);
4175                 features.saveNoteEnv(string());
4176         }
4177 }
4178
4179
4180 Tabular::BoxType Tabular::useBox(idx_type cell) const
4181 {
4182         ParagraphList const & parlist = cellInset(cell)->paragraphs();
4183         if (parlist.size() > 1)
4184                 return BOX_VARWIDTH;
4185
4186         ParagraphList::const_iterator cit = parlist.begin();
4187         ParagraphList::const_iterator end = parlist.end();
4188
4189         for (; cit != end; ++cit)
4190                 for (int i = 0; i < cit->size(); ++i)
4191                         if (cit->isNewline(i) || cit->layout().isEnvironment())
4192                                 return BOX_VARWIDTH;
4193
4194         return BOX_NONE;
4195 }
4196
4197
4198 /////////////////////////////////////////////////////////////////////
4199 //
4200 // InsetTableCell
4201 //
4202 /////////////////////////////////////////////////////////////////////
4203
4204 InsetTableCell::InsetTableCell(Buffer * buf)
4205         : InsetText(buf, InsetText::PlainLayout), isFixedWidth(false),
4206           isMultiColumn(false), isMultiRow(false), contentAlign(LYX_ALIGN_CENTER)
4207 {}
4208
4209 bool InsetTableCell::forcePlainLayout(idx_type) const
4210 {
4211         return isMultiRow || (isMultiColumn && !isFixedWidth);
4212 }
4213
4214
4215 bool InsetTableCell::allowParagraphCustomization(idx_type) const
4216 {
4217         return isFixedWidth;
4218 }
4219
4220
4221 bool InsetTableCell::forceLocalFontSwitch() const
4222 {
4223         return true;
4224 }
4225
4226
4227 bool InsetTableCell::getStatus(Cursor & cur, FuncRequest const & cmd,
4228         FuncStatus & status) const
4229 {
4230         bool enabled = true;
4231         switch (cmd.action()) {
4232         case LFUN_INSET_DISSOLVE:
4233                 enabled = false;
4234                 break;
4235         case LFUN_MATH_DISPLAY:
4236                 if (!hasFixedWidth()) {
4237                         enabled = false;
4238                         break;
4239                 } //fall-through
4240         default:
4241                 return InsetText::getStatus(cur, cmd, status);
4242         }
4243         status.setEnabled(enabled);
4244         return true;
4245 }
4246
4247 docstring InsetTableCell::asString(bool intoInsets)
4248 {
4249         docstring retval;
4250         if (paragraphs().empty())
4251                 return retval;
4252         ParagraphList::const_iterator it = paragraphs().begin();
4253         ParagraphList::const_iterator en = paragraphs().end();
4254         bool first = true;
4255         for (; it != en; ++it) {
4256                 if (!first)
4257                         retval += "\n";
4258                 else
4259                         first = false;
4260                 retval += it->asString(intoInsets ? AS_STR_INSETS : AS_STR_NONE);
4261         }
4262         return retval;
4263 }
4264
4265
4266 void InsetTableCell::addToToc(DocIterator const & di, bool output_active,
4267                                                           UpdateType utype, TocBackend & backend) const
4268 {
4269         InsetText::iterateForToc(di, output_active, utype, backend);
4270 }
4271
4272
4273 docstring InsetTableCell::xhtml(XMLStream & xs, OutputParams const & rp) const
4274 {
4275         if (!isFixedWidth)
4276                 return InsetText::insetAsXHTML(xs, rp, InsetText::JustText);
4277         return InsetText::xhtml(xs, rp);
4278 }
4279
4280
4281 void InsetTableCell::docbook(XMLStream & xs, OutputParams const & runparams) const
4282 {
4283         InsetText::docbook(xs, runparams);
4284 }
4285
4286
4287 void InsetTableCell::metrics(MetricsInfo & mi, Dimension & dim) const
4288 {
4289         TextMetrics & tm = mi.base.bv->textMetrics(&text());
4290         int const horiz_offset = leftOffset(mi.base.bv) + rightOffset(mi.base.bv);
4291
4292         // Hand font through to contained lyxtext:
4293         tm.font_.fontInfo() = mi.base.font;
4294         mi.base.textwidth -= horiz_offset;
4295
4296         // This can happen when a layout has a left and right margin,
4297         // and the view is made very narrow. We can't do better than
4298         // to draw it partly out of view (bug 5890).
4299         if (mi.base.textwidth < 1)
4300                 mi.base.textwidth = 1;
4301
4302         // We tell metrics here not to expand on multiple pars
4303         // This is the difference to InsetText::Metrics
4304         if (hasFixedWidth())
4305                 tm.metrics(mi, dim, mi.base.textwidth, false);
4306         else
4307                 tm.metrics(mi, dim, 0, false);
4308         mi.base.textwidth += horiz_offset;
4309         dim.asc += topOffset(mi.base.bv);
4310         dim.des += bottomOffset(mi.base.bv);
4311         dim.wid += horiz_offset;
4312 }
4313
4314
4315 /////////////////////////////////////////////////////////////////////
4316 //
4317 // InsetTabular
4318 //
4319 /////////////////////////////////////////////////////////////////////
4320
4321 InsetTabular::InsetTabular(Buffer * buf, row_type rows,
4322                            col_type columns)
4323         : Inset(buf), tabular(buf, max(rows, row_type(1)), max(columns, col_type(1))),
4324           rowselect_(false), colselect_(false)
4325 {
4326 }
4327
4328
4329 InsetTabular::InsetTabular(InsetTabular const & tab)
4330         : Inset(tab), tabular(tab.tabular),
4331           rowselect_(false), colselect_(false)
4332 {
4333 }
4334
4335
4336 InsetTabular::~InsetTabular()
4337 {
4338         hideDialogs("tabular", this);
4339 }
4340
4341
4342 void InsetTabular::setBuffer(Buffer & buf)
4343 {
4344         tabular.setBuffer(buf);
4345         Inset::setBuffer(buf);
4346 }
4347
4348
4349 bool InsetTabular::insetAllowed(InsetCode code) const
4350 {
4351         switch (code) {
4352         case FLOAT_CODE:
4353         case MARGIN_CODE:
4354         case MATHMACRO_CODE:
4355         case WRAP_CODE:
4356                 return false;
4357
4358         case CAPTION_CODE:
4359                 return tabular.is_long_tabular;
4360
4361         default:
4362                 return true;
4363         }
4364 }
4365
4366
4367 bool InsetTabular::allowMultiPar() const
4368 {
4369         for (col_type c = 0; c < tabular.ncols(); ++c) {
4370                 for (row_type r = 0; r < tabular.nrows(); ++r) {
4371                         if (tabular.cellInset(r,c)->allowMultiPar())
4372                                 return true;
4373                 }
4374         }
4375         return false;
4376 }
4377
4378
4379 bool InsetTabular::allowsCaptionVariation(std::string const & newtype) const
4380 {
4381         return tabular.is_long_tabular &&
4382                 (newtype == "Standard" || newtype == "Unnumbered");
4383 }
4384
4385
4386 void InsetTabular::write(ostream & os) const
4387 {
4388         os << "Tabular" << endl;
4389         tabular.write(os);
4390 }
4391
4392
4393 string InsetTabular::contextMenu(BufferView const &, int, int) const
4394 {
4395         // FIXME: depending on the selection state,
4396         // we could offer a different menu.
4397         return cell(0)->contextMenuName() + ";" + contextMenuName();
4398 }
4399
4400
4401 string InsetTabular::contextMenuName() const
4402 {
4403         return "context-tabular";
4404 }
4405
4406
4407 void InsetTabular::read(Lexer & lex)
4408 {
4409         //bool const old_format = (lex.getString() == "\\LyXTable");
4410
4411         tabular.read(lex);
4412
4413         //if (old_format)
4414         //      return;
4415
4416         lex.next();
4417         string token = lex.getString();
4418         while (lex && token != "\\end_inset") {
4419                 lex.next();
4420                 token = lex.getString();
4421         }
4422         if (!lex)
4423                 lex.printError("Missing \\end_inset at this point. ");
4424 }
4425
4426
4427 int InsetTabular::rowFromY(Cursor & cur, int y) const
4428 {
4429         // top y coordinate of tabular
4430         int h = yo(cur.bv()) - tabular.rowAscent(0) + tabular.offsetVAlignment();
4431         row_type r = 0;
4432         for (; r < tabular.nrows() && y > h; ++r)
4433                 h += tabular.rowAscent(r) + tabular.rowDescent(r)
4434                         + tabular.interRowSpace(r);
4435
4436         return r - 1;
4437 }
4438
4439
4440 int InsetTabular::columnFromX(Cursor & cur, int x) const
4441 {
4442         // left x coordinate of tabular
4443         int w = xo(cur.bv()) + ADD_TO_TABULAR_WIDTH;
4444         col_type c = 0;
4445         for (; c < tabular.ncols() && x > w; ++c)
4446                 w += tabular.cellWidth(c);
4447         return c - 1;
4448 }
4449
4450
4451 void InsetTabular::metrics(MetricsInfo & mi, Dimension & dim) const
4452 {
4453         //lyxerr << "InsetTabular::metrics: " << mi.base.bv << " width: " <<
4454         //      mi.base.textwidth << "\n";
4455         LBUFERR(mi.base.bv);
4456
4457         for (row_type r = 0; r < tabular.nrows(); ++r) {
4458                 int maxasc = 0;
4459                 int maxdes = 0;
4460                 for (col_type c = 0; c < tabular.ncols(); ++c) {
4461                         if (tabular.isPartOfMultiColumn(r, c)
4462                                 || tabular.isPartOfMultiRow(r, c))
4463                                 // multicolumn or multirow cell, but not first one
4464                                 continue;
4465                         idx_type const cell = tabular.cellIndex(r, c);
4466                         Dimension dim0;
4467                         MetricsInfo m = mi;
4468                         Length const p_width = tabular.getPWidth(cell);
4469                         if (!p_width.zero())
4470                                 m.base.textwidth = mi.base.inPixels(p_width);
4471                         else if (tabular.column_info[c].varwidth)
4472                                 m.base.textwidth = tabular.column_info[c].width;
4473                         tabular.cellInset(cell)->metrics(m, dim0);
4474                         if (!p_width.zero() || tabular.column_info[c].varwidth)
4475                                 dim0.wid = m.base.textwidth;
4476                         tabular.cellInfo(cell).width = dim0.wid + 2 * WIDTH_OF_LINE
4477                                 + tabular.interColumnSpace(cell);
4478
4479                         // FIXME(?): do we need a second metrics call?
4480                         TextMetrics const & tm =
4481                                 mi.base.bv->textMetrics(tabular.cellInset(cell)->getText(0));
4482
4483                         // determine horizontal offset because of decimal align (if necessary)
4484                         int decimal_width = 0;
4485                         if (tabular.getAlignment(cell) == LYX_ALIGN_DECIMAL) {
4486                                 InsetTableCell tail = InsetTableCell(*tabular.cellInset(cell));
4487                                 tail.setBuffer(tabular.buffer());
4488                                 // we need to set macrocontext position everywhere
4489                                 // otherwise we crash with nested insets (e.g. footnotes)
4490                                 // after decimal point
4491                                 DocIterator dit = tabular.cellInset(cell)->getText(0)->macrocontextPosition();
4492                                 dit.pop_back();
4493                                 dit.push_back(CursorSlice(tail));
4494                                 tail.setMacrocontextPositionRecursive(dit);
4495
4496                                 // remove text leading decimal point
4497                                 docstring const align_d = tabular.column_info[c].decimal_point;
4498                                 dit = separatorPos(&tail, align_d);
4499
4500                                 pos_type const psize = tail.paragraphs().front().size();
4501                                 if (dit) {
4502                                         tail.paragraphs().front().eraseChars(0,
4503                                                 dit.pos() < psize ? dit.pos() + 1 : psize, false);
4504                                         Dimension dim1;
4505                                         tail.metrics(m, dim1);
4506                                         decimal_width = dim1.width();
4507                                 }
4508                         }
4509                         tabular.cell_info[r][c].decimal_hoffset = tm.width() - decimal_width;
4510                         tabular.cell_info[r][c].decimal_width = decimal_width;
4511
4512                         // with LYX_VALIGN_BOTTOM the descent is relative to the last par
4513                         // = descent of text in last par + bottomOffset:
4514                         int const lastpardes = tm.last().second->descent()
4515                                 + bottomOffset(mi.base.bv);
4516                         int offset = 0;
4517                         switch (tabular.getVAlignment(cell)) {
4518                                 case Tabular::LYX_VALIGN_TOP:
4519                                         break;
4520                                 case Tabular::LYX_VALIGN_MIDDLE:
4521                                         offset = -(dim0.des - lastpardes)/2;
4522                                         break;
4523                                 case Tabular::LYX_VALIGN_BOTTOM:
4524                                         offset = -(dim0.des - lastpardes);
4525                                         break;
4526                         }
4527                         tabular.cell_info[r][c].voffset = offset;
4528                         maxasc = max(maxasc, dim0.asc - offset);
4529                         maxdes = max(maxdes, dim0.des + offset);
4530                 }
4531                 int const top_space = tabular.row_info[r].top_space_default ?
4532                     default_line_space :
4533                     mi.base.inPixels(tabular.row_info[r].top_space);
4534                 tabular.setRowAscent(r, maxasc + ADD_TO_HEIGHT + top_space);
4535                 int const bottom_space = tabular.row_info[r].bottom_space_default ?
4536                     default_line_space :
4537                     mi.base.inPixels(tabular.row_info[r].bottom_space);
4538                 tabular.setRowDescent(r, maxdes + ADD_TO_HEIGHT + bottom_space);
4539         }
4540
4541         // We need to recalculate the metrics after column width calculation
4542         // with xtabular (possibly multiple times, so the call is recursive).
4543         if (tabular.updateColumnWidths(mi) && tabular.hasVarwidthColumn())
4544                 metrics(mi, dim);
4545         dim.asc = tabular.rowAscent(0) - tabular.offsetVAlignment();
4546         dim.des = tabular.height() - dim.asc;
4547         dim.wid = tabular.width() + 2 * ADD_TO_TABULAR_WIDTH;
4548 }
4549
4550
4551 bool InsetTabular::isCellSelected(Cursor & cur, row_type row, col_type col) const
4552 {
4553         if (&cur.inset() == this && cur.selection()) {
4554                 if (cur.selIsMultiCell()) {
4555                         row_type rs, re;
4556                         col_type cs, ce;
4557                         getSelection(cur, rs, re, cs, ce);
4558
4559                         idx_type const cell = tabular.cellIndex(row, col);
4560                         col_type const cspan = tabular.columnSpan(cell);
4561                         row_type const rspan = tabular.rowSpan(cell);
4562                         if (col + cspan - 1 >= cs && col <= ce
4563                                 && row + rspan - 1 >= rs && row <= re)
4564                                 return true;
4565                 } else
4566                         if (col == tabular.cellColumn(cur.idx())
4567                                 && row == tabular.cellRow(cur.idx())) {
4568                         CursorSlice const & beg = cur.selBegin();
4569                         CursorSlice const & end = cur.selEnd();
4570
4571                         if ((end.lastpos() > 0 || end.lastpit() > 0)
4572                                   && end.pos() == end.lastpos() && beg.pos() == 0
4573                                   && end.pit() == end.lastpit() && beg.pit() == 0)
4574                                 return true;
4575                 }
4576         }
4577         return false;
4578 }
4579
4580
4581 void InsetTabular::draw(PainterInfo & pi, int x, int y) const
4582 {
4583         x += ADD_TO_TABULAR_WIDTH;
4584
4585         BufferView * bv = pi.base.bv;
4586         Cursor & cur = pi.base.bv->cursor();
4587
4588         // FIXME: As the full background is painted in drawBackground(),
4589         // we have no choice but to do a full repaint for the Text cells.
4590         pi.full_repaint = true;
4591
4592         bool const original_selection_state = pi.selected;
4593
4594         idx_type idx = 0;
4595
4596         // Save tabular change status
4597         Change tab_change = pi.change;
4598
4599         int yy = y + tabular.offsetVAlignment();
4600         for (row_type r = 0; r < tabular.nrows(); ++r) {
4601                 int nx = x;
4602                 for (col_type c = 0; c < tabular.ncols(); ++c) {
4603                         if (tabular.isPartOfMultiColumn(r, c))
4604                                 continue;
4605
4606                         idx = tabular.cellIndex(r, c);
4607
4608                         if (tabular.isPartOfMultiRow(r, c)) {
4609                                 nx += tabular.cellWidth(idx);
4610                                 continue;
4611                         }
4612
4613                         pi.selected |= isCellSelected(cur, r, c);
4614
4615                         // Mark deleted rows/columns
4616                         if (tabular.column_info[c].change.changed())
4617                                 pi.change = tabular.column_info[c].change;
4618                         else if (tabular.row_info[r].change.changed())
4619                                 pi.change = tabular.row_info[r].change;
4620                         else
4621                                 pi.change = tab_change;
4622
4623                         int const cx = nx + tabular.textHOffset(idx);
4624                         int const cy = yy + tabular.textVOffset(idx);
4625                         // Cache the Inset position.
4626                         bv->coordCache().insets().add(cell(idx).get(), cx, cy);
4627                         cell(idx)->draw(pi, cx, cy);
4628                         drawCellLines(pi, nx, yy, r, idx);
4629                         nx += tabular.cellWidth(idx);
4630                         pi.selected = original_selection_state;
4631                 }
4632
4633                 if (r + 1 < tabular.nrows())
4634                         yy += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
4635                                 + tabular.interRowSpace(r + 1);
4636         }
4637 }
4638
4639
4640 void InsetTabular::drawBackground(PainterInfo & pi, int x, int y) const
4641 {
4642         x += ADD_TO_TABULAR_WIDTH;
4643         y += tabular.offsetVAlignment() - tabular.rowAscent(0);
4644         pi.pain.fillRectangle(x, y, tabular.width(), tabular.height(),
4645                 pi.backgroundColor(this));
4646 }
4647
4648
4649 void InsetTabular::drawSelection(PainterInfo & pi, int x, int y) const
4650 {
4651         Cursor & cur = pi.base.bv->cursor();
4652
4653         x += ADD_TO_TABULAR_WIDTH;
4654
4655         if (!cur.selection())
4656                 return;
4657         if (&cur.inset() != this)
4658                 return;
4659
4660         //resetPos(cur);
4661
4662         bool const full_cell_selected = isCellSelected(cur,
4663                 tabular.cellRow(cur.idx()), tabular.cellColumn(cur.idx()));
4664
4665         if (cur.selIsMultiCell() || full_cell_selected) {
4666                 for (row_type r = 0; r < tabular.nrows(); ++r) {
4667                         int xx = x;
4668                         for (col_type c = 0; c < tabular.ncols(); ++c) {
4669                                 if (tabular.isPartOfMultiColumn(r, c))
4670                                         continue;
4671
4672                                 idx_type const cell = tabular.cellIndex(r, c);
4673
4674                                 if (tabular.isPartOfMultiRow(r, c)) {
4675                                         xx += tabular.cellWidth(cell);
4676                                         continue;
4677                                 }
4678                                 int const w = tabular.cellWidth(cell);
4679                                 int const h = tabular.cellHeight(cell);
4680                                 int const yy = y - tabular.rowAscent(r) + tabular.offsetVAlignment();
4681                                 if (isCellSelected(cur, r, c))
4682                                         pi.pain.fillRectangle(xx, yy, w, h, Color_selection);
4683                                 xx += w;
4684                         }
4685                         if (r + 1 < tabular.nrows())
4686                                 y += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
4687                                      + tabular.interRowSpace(r + 1);
4688                 }
4689
4690         }
4691         // FIXME: This code has no effect because InsetTableCell does not handle
4692         // drawSelection other than the trivial implementation in Inset.
4693         //else {
4694         //      x += cellXPos(cur.idx());
4695         //      x += tabular.textHOffset(cur.idx());
4696         //      cell(cur.idx())->drawSelection(pi, x, 0 /* ignored */);
4697         //}
4698 }
4699
4700
4701 namespace {
4702
4703 void tabline(PainterInfo const & pi, int x1, int y1, int x2, int y2, int lt, int rt,
4704              Color const incol, bool drawline, bool heavy = false)
4705 {
4706         Color const col = drawline ? incol : Color_tabularonoffline;
4707         if (drawline && lt > 0)
4708                 pi.pain.line(x1, y1, x1 + lt, y2, pi.textColor(Color_tabularonoffline),
4709                                          Painter::line_onoffdash,
4710                                          Painter::thin_line);
4711         pi.pain.line(x1 + lt, y1, x2 - rt, y2, pi.textColor(col),
4712                                  drawline ? Painter::line_solid : Painter::line_onoffdash,
4713                                  (heavy ? 2 : 1) * Painter::thin_line);
4714         if (drawline && rt > 0)
4715                 pi.pain.line(x2 - rt, y1, x2, y2, pi.textColor(Color_tabularonoffline),
4716                                          Painter::line_onoffdash,
4717                                          Painter::thin_line);
4718 }
4719
4720 }
4721
4722
4723 void InsetTabular::drawCellLines(PainterInfo & pi, int x, int y,
4724                                  row_type row, idx_type cell) const
4725 {
4726         y -= tabular.rowAscent(row);
4727         int const w = tabular.cellWidth(cell);
4728         int const h = tabular.cellHeight(cell);
4729         int lt = 0;
4730         int rt = 0;
4731
4732         col_type const col = tabular.cellColumn(cell);
4733
4734         // Colour the frame if rows/columns are added or deleted
4735         Color colour = Color_tabularline;
4736         if (tabular.column_info[col].change.changed()
4737             || tabular.row_info[row].change.changed())
4738                 colour = InsetTableCell(*tabular.cellInset(cell)).paragraphs().front().lookupChange(0).color();
4739
4740         // Top
4741         bool drawline = tabular.topLine(cell)
4742                 || (row > 0 && tabular.bottomLine(tabular.cellAbove(cell)));
4743         bool heavy = tabular.use_booktabs
4744                         && (row == 0 || (tabular.is_long_tabular && row == 1 && tabular.ltCaption(0)))
4745                         && tabular.rowTopLine(row);
4746         if (tabular.topLineTrim(cell).first
4747             || (row > 0 && tabular.bottomLineTrim(tabular.cellIndex(row - 1, col)).first))
4748                 lt = 10;
4749         if (tabular.topLineTrim(cell).second
4750             || (row > 0 && tabular.bottomLineTrim(tabular.cellIndex(row - 1, col)).second))
4751                 rt = 10;
4752         tabline(pi, x, y, x + w, y, lt, rt, colour, drawline, heavy);
4753
4754         // Bottom
4755         lt = rt = 0;
4756         drawline = tabular.bottomLine(cell);
4757         row_type const lastrow = tabular.nrows() - 1;
4758         // Consider multi-rows
4759         row_type r = row;
4760         while (r < lastrow && tabular.isMultiRow(tabular.cellIndex(r, col))
4761                 && tabular.isPartOfMultiRow(r + 1, col))
4762                 r++;
4763         heavy = tabular.use_booktabs
4764                 && ((row == lastrow && tabular.rowBottomLine(row))
4765                     || (r == lastrow && tabular.rowBottomLine(r)));
4766         if (tabular.bottomLineTrim(cell).first)
4767                 lt = 10;
4768         if (tabular.bottomLineTrim(cell).second)
4769                 rt = 10;
4770         tabline(pi, x, y + h, x + w, y + h, lt, rt, colour, drawline, heavy);
4771
4772         // Left
4773         drawline = tabular.leftLine(cell)
4774                 || (col > 0 && tabular.rightLine(tabular.cellIndex(row, col - 1)));
4775         tabline(pi, x, y, x, y + h, 0, 0, colour, drawline);
4776
4777         // Right
4778         x -= tabular.interColumnSpace(cell);
4779         col_type next_cell_col = col + 1;
4780         while (next_cell_col < tabular.ncols()
4781                 && tabular.isMultiColumn(tabular.cellIndex(row, next_cell_col)))
4782                 next_cell_col++;
4783         drawline = tabular.rightLine(cell)
4784                    || (next_cell_col < tabular.ncols()
4785                        && tabular.leftLine(tabular.cellIndex(row, next_cell_col)));
4786         tabline(pi, x + w, y, x + w, y + h, 0, 0, colour, drawline);
4787 }
4788
4789
4790 void InsetTabular::edit(Cursor & cur, bool front, EntryDirection)
4791 {
4792         //lyxerr << "InsetTabular::edit: " << this << endl;
4793         cur.finishUndo();
4794         cur.push(*this);
4795         if (front) {
4796                 if (isRightToLeft(cur))
4797                         cur.idx() = tabular.getLastCellInRow(0);
4798                 else
4799                         cur.idx() = 0;
4800                 cur.pit() = 0;
4801                 cur.pos() = 0;
4802         } else {
4803                 if (isRightToLeft(cur))
4804                         cur.idx() = tabular.getFirstCellInRow(tabular.nrows() - 1);
4805                 else
4806                         cur.idx() = tabular.numberofcells - 1;
4807                 cur.pit() = 0;
4808                 cur.pos() = cur.lastpos(); // FIXME crude guess
4809         }
4810         cur.setCurrentFont();
4811         // FIXME: this accesses the position cache before it is initialized
4812         //cur.bv().fitCursor();
4813 }
4814
4815
4816 void InsetTabular::updateBuffer(ParIterator const & it, UpdateType utype, bool const /*deleted*/)
4817 {
4818         // In a longtable, tell captions what the current float is
4819         Counters & cnts = buffer().masterBuffer()->params().documentClass().counters();
4820         string const saveflt = cnts.current_float();
4821         if (tabular.is_long_tabular) {
4822                 cnts.current_float("table");
4823                 // in longtables, we only step the counter once
4824                 cnts.step(from_ascii("table"), utype);
4825                 cnts.isLongtable(true);
4826         }
4827
4828         ParIterator it2 = it;
4829         it2.forwardPos();
4830         size_t const end = it2.nargs();
4831         for ( ; it2.idx() < end; it2.top().forwardIdx())
4832                 buffer().updateBuffer(it2, utype);
4833
4834         //reset afterwards
4835         if (tabular.is_long_tabular) {
4836                 cnts.current_float(saveflt);
4837                 cnts.isLongtable(false);
4838         }
4839 }
4840
4841
4842 void InsetTabular::addToToc(DocIterator const & cpit, bool output_active,
4843                                                         UpdateType utype, TocBackend & backend) const
4844 {
4845         DocIterator dit = cpit;
4846         dit.forwardPos();
4847         size_t const end = dit.nargs();
4848         for ( ; dit.idx() < end; dit.top().forwardIdx())
4849                 cell(dit.idx())->addToToc(dit, output_active, utype, backend);
4850 }
4851
4852
4853 bool InsetTabular::hitSelectRow(BufferView const & bv, int x) const
4854 {
4855         int const x0 = xo(bv) + ADD_TO_TABULAR_WIDTH;
4856         return x < x0 || x > x0 + tabular.width();
4857 }
4858
4859
4860 bool InsetTabular::hitSelectColumn(BufferView const & bv, int y) const
4861 {
4862         int const y0 = yo(bv) - tabular.rowAscent(0) + tabular.offsetVAlignment();
4863         // FIXME: using ADD_TO_TABULAR_WIDTH is not really correct since
4864         // there is no margin added vertically to tabular insets.
4865         // However, it works for now.
4866         return y < y0 + ADD_TO_TABULAR_WIDTH || y > y0 + tabular.height() - ADD_TO_TABULAR_WIDTH;
4867 }
4868
4869
4870 bool InsetTabular::clickable(BufferView const & bv, int x, int y) const
4871 {
4872         return hitSelectRow(bv, x) || hitSelectColumn(bv, y);
4873 }
4874
4875
4876 void InsetTabular::doDispatch(Cursor & cur, FuncRequest & cmd)
4877 {
4878         LYXERR(Debug::DEBUG, "# InsetTabular::doDispatch: cmd: " << cmd
4879                              << "\n  cur:" << cur);
4880         CursorSlice sl = cur.top();
4881         Cursor & bvcur = cur.bv().cursor();
4882
4883         FuncCode const act = cmd.action();
4884
4885         switch (act) {
4886
4887         case LFUN_MOUSE_PRESS: {
4888                 //lyxerr << "# InsetTabular::MousePress\n" << cur.bv().cursor() << endl;
4889                 // select row
4890                 if (hitSelectRow(cur.bv(), cmd.x())) {
4891                         row_type r = rowFromY(cur, cmd.y());
4892                         cur.idx() = tabular.getFirstCellInRow(r);
4893                         cur.pit() = 0;
4894                         cur.pos() = 0;
4895                         cur.resetAnchor();
4896                         cur.idx() = tabular.getLastCellInRow(r);
4897                         cur.pit() = cur.lastpit();
4898                         cur.pos() = cur.lastpos();
4899                         cur.selection(true);
4900                         bvcur = cur;
4901                         rowselect_ = true;
4902                         break;
4903                 }
4904                 // select column
4905                 if (hitSelectColumn(cur.bv(), cmd.y())) {
4906                         col_type c = columnFromX(cur, cmd.x());
4907                         cur.idx() = tabular.cellIndex(0, c);
4908                         cur.pit() = 0;
4909                         cur.pos() = 0;
4910                         cur.resetAnchor();
4911                         cur.idx() = tabular.cellIndex(tabular.nrows() - 1, c);
4912                         cur.pit() = cur.lastpit();
4913                         cur.pos() = cur.lastpos();
4914                         cur.selection(true);
4915                         bvcur = cur;
4916                         colselect_ = true;
4917                         break;
4918                 }
4919                 // do not reset cursor/selection if we have selected
4920                 // some cells (bug 2715).
4921                 if (cmd.button() == mouse_button::button3
4922                     && &bvcur.selBegin().inset() == this
4923                     && bvcur.selIsMultiCell())
4924                         ;
4925                 else
4926                         // Let InsetTableCell do it
4927                         cell(cur.idx())->dispatch(cur, cmd);
4928                 break;
4929         }
4930         case LFUN_MOUSE_MOTION:
4931                 //lyxerr << "# InsetTabular::MouseMotion\n" << bvcur << endl;
4932                 if (cmd.button() == mouse_button::button1) {
4933                         // only accept motions to places not deeper nested than the real anchor
4934                         if (!bvcur.realAnchor().hasPart(cur)) {
4935                                 cur.undispatched();
4936                                 break;
4937                         }
4938                         // select (additional) row
4939                         if (rowselect_) {
4940                                 row_type r = rowFromY(cur, cmd.y());
4941                                 cur.idx() = tabular.getLastCellInRow(r);
4942                                 // we need to reset the cursor's pit and pos now, as the old ones
4943                                 // may no longer be valid.
4944                                 cur.pit() = 0;
4945                                 cur.pos() = 0;
4946                                 bvcur.setCursor(cur);
4947                                 bvcur.selection(true);
4948                                 break;
4949                         }
4950                         // select (additional) column
4951                         if (colselect_) {
4952                                 col_type c = columnFromX(cur, cmd.x());
4953                                 cur.idx() = tabular.cellIndex(tabular.nrows() - 1, c);
4954                                 // we need to reset the cursor's pit and pos now, as the old ones
4955                                 // may no longer be valid.
4956                                 cur.pit() = 0;
4957                                 cur.pos() = 0;
4958                                 bvcur.setCursor(cur);
4959                                 bvcur.selection(true);
4960                                 break;
4961                         }
4962                         // only update if selection changes
4963                         if (bvcur.idx() == cur.idx() &&
4964                                 !(bvcur.realAnchor().idx() == cur.idx() && bvcur.pos() != cur.pos()))
4965                                 cur.noScreenUpdate();
4966                         setCursorFromCoordinates(cur, cmd.x(), cmd.y());
4967                         bvcur.setCursor(cur);
4968                         bvcur.selection(true);
4969                         // if this is a multicell selection, we just set the cursor to
4970                         // the beginning of the cell's text.
4971                         if (bvcur.selIsMultiCell()) {
4972                                 bvcur.pit() = bvcur.lastpit();
4973                                 bvcur.pos() = bvcur.lastpos();
4974                         }
4975                 }
4976                 break;
4977
4978         case LFUN_MOUSE_RELEASE:
4979                 rowselect_ = false;
4980                 colselect_ = false;
4981                 break;
4982
4983         case LFUN_CELL_BACKWARD:
4984                 movePrevCell(cur);
4985                 cur.selection(false);
4986                 break;
4987
4988         case LFUN_CELL_FORWARD:
4989                 moveNextCell(cur);
4990                 cur.selection(false);
4991                 break;
4992
4993         case LFUN_CHAR_FORWARD_SELECT:
4994         case LFUN_CHAR_FORWARD:
4995         case LFUN_CHAR_BACKWARD_SELECT:
4996         case LFUN_CHAR_BACKWARD:
4997         case LFUN_CHAR_RIGHT_SELECT:
4998         case LFUN_CHAR_RIGHT:
4999         case LFUN_CHAR_LEFT_SELECT:
5000         case LFUN_CHAR_LEFT:
5001         case LFUN_WORD_FORWARD:
5002         case LFUN_WORD_FORWARD_SELECT:
5003         case LFUN_WORD_BACKWARD:
5004         case LFUN_WORD_BACKWARD_SELECT:
5005         case LFUN_WORD_RIGHT:
5006         case LFUN_WORD_RIGHT_SELECT:
5007         case LFUN_WORD_LEFT:
5008         case LFUN_WORD_LEFT_SELECT: {
5009                 // determine whether we move to next or previous cell, where to enter
5010                 // the new cell from, and which command to "finish" (i.e., exit the
5011                 // inset) with:
5012                 bool next_cell;
5013                 EntryDirection entry_from = ENTRY_DIRECTION_IGNORE;
5014                 FuncCode finish_lfun;
5015
5016                 if (act == LFUN_CHAR_FORWARD
5017                                 || act == LFUN_CHAR_FORWARD_SELECT
5018                                 || act == LFUN_WORD_FORWARD
5019                                 || act == LFUN_WORD_FORWARD_SELECT) {
5020                         next_cell = true;
5021                         finish_lfun = LFUN_FINISHED_FORWARD;
5022                 }
5023                 else if (act == LFUN_CHAR_BACKWARD
5024                                 || act == LFUN_CHAR_BACKWARD_SELECT
5025                                 || act == LFUN_WORD_BACKWARD
5026                                 || act == LFUN_WORD_BACKWARD_SELECT) {
5027                         next_cell = false;
5028                         finish_lfun = LFUN_FINISHED_BACKWARD;
5029                 }
5030                 // LEFT or RIGHT commands --- the interpretation will depend on the
5031                 // table's direction.
5032                 else {
5033                         bool const right = act == LFUN_CHAR_RIGHT
5034                                 || act == LFUN_CHAR_RIGHT_SELECT
5035                                 || act == LFUN_WORD_RIGHT
5036                                 || act == LFUN_WORD_RIGHT_SELECT;
5037                         next_cell = isRightToLeft(cur) != right;
5038
5039                         if (lyxrc.visual_cursor)
5040                                 entry_from = right ? ENTRY_DIRECTION_LEFT:ENTRY_DIRECTION_RIGHT;
5041
5042                         finish_lfun = right ? LFUN_FINISHED_RIGHT : LFUN_FINISHED_LEFT;
5043                 }
5044
5045                 bool const select =     act == LFUN_CHAR_FORWARD_SELECT
5046                     || act == LFUN_CHAR_BACKWARD_SELECT
5047                     || act == LFUN_CHAR_RIGHT_SELECT
5048                     || act == LFUN_CHAR_LEFT_SELECT
5049                         || act == LFUN_WORD_FORWARD_SELECT
5050                         || act == LFUN_WORD_RIGHT_SELECT
5051                         || act == LFUN_WORD_BACKWARD_SELECT
5052                         || act == LFUN_WORD_LEFT_SELECT;
5053
5054                 // If we have a multicell selection or we're
5055                 // not doing some LFUN_*_SELECT thing anyway...
5056                 if (!cur.selIsMultiCell() || !select) {
5057                         col_type const c = tabular.cellColumn(cur.idx());
5058                         row_type const r = tabular.cellRow(cur.idx());
5059                         // Are we trying to select the whole cell and is the whole cell
5060                         // not yet selected?
5061                         bool const select_whole = select && !isCellSelected(cur, r, c) &&
5062                                 ((next_cell && cur.pit() == cur.lastpit()
5063                                 && cur.pos() == cur.lastpos())
5064                                 || (!next_cell && cur.pit() == 0 && cur.pos() == 0));
5065
5066                         bool const empty_cell = cur.lastpos() == 0 && cur.lastpit() == 0;
5067
5068                         // ...try to dispatch to the cell's inset.
5069                         cell(cur.idx())->dispatch(cur, cmd);
5070
5071                         // When we already have a selection we want to select the whole cell
5072                         // before going to the next cell.
5073                         if (select_whole && !empty_cell){
5074                                 getText(cur.idx())->selectAll(cur);
5075                                 cur.dispatched();
5076                                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5077                                 break;
5078                         }
5079
5080                         // FIXME: When we support the selection of an empty cell, remove
5081                         // the !empty_cell from this condition. For now we jump to the next
5082                         // cell if the current cell is empty.
5083                         if (cur.result().dispatched() && !empty_cell)
5084                                 break;
5085                 }
5086
5087                 // move to next/prev cell, as appropriate
5088                 // note that we will always do this if we're selecting and we have
5089                 // a multicell selection
5090                 LYXERR(Debug::RTL, "entering " << (next_cell ? "next" : "previous")
5091                         << " cell from: " << int(entry_from));
5092                 if (next_cell)
5093                         moveNextCell(cur, entry_from);
5094                 else
5095                         movePrevCell(cur, entry_from);
5096                 // if we're exiting the table, call the appropriate FINISHED lfun
5097                 if (sl == cur.top()) {
5098                         cmd = FuncRequest(finish_lfun);
5099                         cur.undispatched();
5100                 } else
5101                         cur.dispatched();
5102
5103                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5104                 break;
5105
5106         }
5107
5108         case LFUN_DOWN_SELECT:
5109         case LFUN_DOWN:
5110                 if (!(cur.selection() && cur.selIsMultiCell()))
5111                         cell(cur.idx())->dispatch(cur, cmd);
5112
5113                 cur.dispatched(); // override the cell's decision
5114                 if (sl == cur.top()) {
5115                         // if our Text didn't do anything to the cursor
5116                         // then we try to put the cursor into the cell below
5117                         // setting also the right targetX.
5118                         cur.selHandle(act == LFUN_DOWN_SELECT);
5119                         if (tabular.cellRow(cur.idx()) != tabular.nrows() - 1) {
5120                                 int const xtarget = cur.targetX();
5121                                 // WARNING: Once cur.idx() has been reset, the cursor is in
5122                                 // an inconsistent state until pos() has been set. Be careful
5123                                 // what you do with it!
5124                                 cur.idx() = tabular.cellBelow(cur.idx());
5125                                 cur.pit() = 0;
5126                                 TextMetrics const & tm =
5127                                         cur.bv().textMetrics(cell(cur.idx())->getText(0));
5128                                 cur.pos() = tm.x2pos(cur.pit(), 0, xtarget);
5129                                 cur.setCurrentFont();
5130                         }
5131                 }
5132                 if (sl == cur.top()) {
5133                         // we trick it to go to forward after leaving the
5134                         // tabular.
5135                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
5136                         cur.undispatched();
5137                 }
5138                 if (cur.selIsMultiCell()) {
5139                         cur.pit() = cur.lastpit();
5140                         cur.pos() = cur.lastpos();
5141                         cur.setCurrentFont();
5142                         cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5143                         return;
5144                 }
5145                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5146                 break;
5147
5148         case LFUN_UP_SELECT:
5149         case LFUN_UP:
5150                 if (!(cur.selection() && cur.selIsMultiCell()))
5151                         cell(cur.idx())->dispatch(cur, cmd);
5152                 cur.dispatched(); // override the cell's decision
5153                 if (sl == cur.top()) {
5154                         // if our Text didn't do anything to the cursor
5155                         // then we try to put the cursor into the cell above
5156                         // setting also the right targetX.
5157                         cur.selHandle(act == LFUN_UP_SELECT);
5158                         if (tabular.cellRow(cur.idx()) != 0) {
5159                                 int const xtarget = cur.targetX();
5160                                 // WARNING: Once cur.idx() has been reset, the cursor is in
5161                                 // an inconsistent state until pos() has been set. Be careful
5162                                 // what you do with it!
5163                                 cur.idx() = tabular.cellAbove(cur.idx());
5164                                 cur.pit() = cur.lastpit();
5165                                 Text const * text = cell(cur.idx())->getText(0);
5166                                 TextMetrics const & tm = cur.bv().textMetrics(text);
5167                                 ParagraphMetrics const & pm =
5168                                         tm.parMetrics(cur.lastpit());
5169                                 cur.pos() = tm.x2pos(cur.pit(), pm.rows().size()-1, xtarget);
5170                                 cur.setCurrentFont();
5171                         }
5172                 }
5173                 if (sl == cur.top()) {
5174                         cmd = FuncRequest(LFUN_UP);
5175                         cur.undispatched();
5176                 }
5177                 if (cur.selIsMultiCell()) {
5178                         cur.pit() = 0;
5179                         cur.pos() = cur.lastpos();
5180                         cur.setCurrentFont();
5181                         cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5182                         return;
5183                 }
5184                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5185                 break;
5186
5187         case LFUN_LAYOUT_TABULAR:
5188                 cur.bv().showDialog("tabular");
5189                 break;
5190
5191         case LFUN_INSET_MODIFY:
5192                 // we come from the dialog
5193                 if (cmd.getArg(0) == "tabular")
5194                         tabularFeatures(cur, cmd.getLongArg(1));
5195                 else
5196                         cur.undispatched();
5197                 break;
5198
5199         case LFUN_TABULAR_FEATURE:
5200                 tabularFeatures(cur, to_utf8(cmd.argument()));
5201                 break;
5202
5203         // insert file functions
5204         case LFUN_FILE_INSERT_PLAINTEXT_PARA:
5205         case LFUN_FILE_INSERT_PLAINTEXT:
5206                 // FIXME UNICODE
5207                 if (FileName::isAbsolute(to_utf8(cmd.argument()))) {
5208                         docstring const tmpstr = cur.bv().contentsOfPlaintextFile(
5209                                 FileName(to_utf8(cmd.argument())));
5210                         if (tmpstr.empty())
5211                                 break;
5212                         cur.recordUndoInset();
5213                         if (insertPlaintextString(cur.bv(), tmpstr, false)) {
5214                                 // content has been replaced,
5215                                 // so cursor might be invalid
5216                                 cur.pos() = cur.lastpos();
5217                                 cur.pit() = cur.lastpit();
5218                                 bvcur.setCursor(cur);
5219                         } else
5220                                 cur.undispatched();
5221                 }
5222                 break;
5223
5224         case LFUN_CUT:
5225                 if (cur.selIsMultiCell()) {
5226                         if (copySelection(cur)) {
5227                                 cur.recordUndoInset();
5228                                 cutSelection(cur);
5229                         }
5230                 } else
5231                         cell(cur.idx())->dispatch(cur, cmd);
5232                 break;
5233
5234         case LFUN_SELF_INSERT:
5235                 if (cur.selIsMultiCell()) {
5236                         cur.recordUndoInset();
5237                         cutSelection(cur);
5238                         BufferView * bv = &cur.bv();
5239                         docstring::const_iterator cit = cmd.argument().begin();
5240                         docstring::const_iterator const end = cmd.argument().end();
5241                         for (; cit != end; ++cit)
5242                                 bv->translateAndInsert(*cit, getText(cur.idx()), cur);
5243
5244                         cur.resetAnchor();
5245                         bv->bookmarkEditPosition();
5246                 } else
5247                         cell(cur.idx())->dispatch(cur, cmd);
5248                 break;
5249
5250         case LFUN_CHAR_DELETE_BACKWARD:
5251         case LFUN_CHAR_DELETE_FORWARD:
5252                 if (cur.selIsMultiCell()) {
5253                         cur.recordUndoInset();
5254                         cutSelection(cur);
5255                 } else
5256                         cell(cur.idx())->dispatch(cur, cmd);
5257                 break;
5258
5259         case LFUN_COPY:
5260                 if (!cur.selection())
5261                         break;
5262                 if (cur.selIsMultiCell()) {
5263                         cur.finishUndo();
5264                         copySelection(cur);
5265                 } else
5266                         cell(cur.idx())->dispatch(cur, cmd);
5267                 break;
5268
5269         case LFUN_CLIPBOARD_PASTE:
5270         case LFUN_PRIMARY_SELECTION_PASTE: {
5271                 docstring const clip = (act == LFUN_CLIPBOARD_PASTE) ?
5272                         theClipboard().getAsText(Clipboard::PlainTextType) :
5273                         theSelection().get();
5274                 if (clip.empty())
5275                         break;
5276                 // pass to InsertPlaintextString, but
5277                 // only if we have multi-cell content
5278                 if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
5279                         cur.recordUndoInset();
5280                         if (insertPlaintextString(cur.bv(), clip, false)) {
5281                                 // content has been replaced,
5282                                 // so cursor might be invalid
5283                                 cur.pos() = cur.lastpos();
5284                                 cur.pit() = cur.lastpit();
5285                                 bvcur.setCursor(cur);
5286                                 break;
5287                         }
5288                 }
5289                 // Let the cell handle normal text
5290                 cell(cur.idx())->dispatch(cur, cmd);
5291                 break;
5292         }
5293
5294         case LFUN_PASTE:
5295                 if (!tabularStackDirty()) {
5296                         // Check if we have plain text or HTML with rows/columns.
5297                         // and if so, pass over to LFUN_CLIPBOARD_PASTE
5298                         if (theClipboard().hasTextContents(Clipboard::AnyTextType)
5299                             && !theClipboard().hasTextContents(Clipboard::LyXTextType)) {
5300                                 docstring const clip =
5301                                         theClipboard().getAsText(Clipboard::AnyTextType);
5302                                 if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
5303                                         FuncRequest ncmd = FuncRequest(LFUN_CLIPBOARD_PASTE, cmd.argument());
5304                                         doDispatch(cur, ncmd);
5305                                         break;
5306                                 }
5307                         }
5308                         else if (theClipboard().hasTextContents(Clipboard::LyXTextType)) {
5309                                 // This might be tabular data from another LyX instance. Check!
5310                                 docstring const clip =
5311                                         theClipboard().getAsText(Clipboard::PlainTextType);
5312                                 if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
5313                                         FuncRequest ncmd = FuncRequest(LFUN_CLIPBOARD_PASTE, cmd.argument());
5314                                         doDispatch(cur, ncmd);
5315                                         break;
5316                                 }
5317                         }
5318                         if (!cur.selIsMultiCell())
5319                                 cell(cur.idx())->dispatch(cur, cmd);
5320                         break;
5321                 }
5322                 if (theClipboard().isInternal()) {
5323                         cur.recordUndoInset();
5324                         pasteClipboard(cur);
5325                 }
5326                 break;
5327
5328         case LFUN_CHANGE_ACCEPT:
5329         case LFUN_CHANGE_REJECT:
5330         case LFUN_FONT_EMPH:
5331         case LFUN_FONT_BOLD:
5332         case LFUN_FONT_BOLDSYMBOL:
5333         case LFUN_FONT_ROMAN:
5334         case LFUN_FONT_NOUN:
5335         case LFUN_FONT_ITAL:
5336         case LFUN_FONT_FRAK:
5337         case LFUN_FONT_TYPEWRITER:
5338         case LFUN_FONT_SANS:
5339         case LFUN_TEXTSTYLE_APPLY:
5340         case LFUN_TEXTSTYLE_UPDATE:
5341         case LFUN_FONT_SIZE:
5342         case LFUN_FONT_UNDERLINE:
5343         case LFUN_FONT_STRIKEOUT:
5344         case LFUN_FONT_CROSSOUT:
5345         case LFUN_FONT_UNDERUNDERLINE:
5346         case LFUN_FONT_UNDERWAVE:
5347         case LFUN_LANGUAGE:
5348         case LFUN_PARAGRAPH_PARAMS_APPLY:
5349         case LFUN_PARAGRAPH_PARAMS:
5350         case LFUN_WORD_CAPITALIZE:
5351         case LFUN_WORD_UPCASE:
5352         case LFUN_WORD_LOWCASE:
5353         case LFUN_CHARS_TRANSPOSE: {
5354                 bool const ct = (act == LFUN_CHANGE_ACCEPT || act == LFUN_CHANGE_REJECT);
5355                 if (cur.selIsMultiCell()) {
5356                         row_type rs, re;
5357                         col_type cs, ce;
5358                         getSelection(cur, rs, re, cs, ce);
5359                         Cursor tmpcur = cur;
5360                         for (row_type r = rs; r <= re; ++r) {
5361                                 if (ct && cs == 0 && ce == tabular.ncols() - 1) {
5362                                         // whole row selected
5363                                         if (act == LFUN_CHANGE_ACCEPT) {
5364                                                 if (tabular.row_info[r].change.inserted())
5365                                                         tabular.row_info[r].change.setUnchanged();
5366                                                 else if (tabular.row_info[r].change.deleted()) {
5367                                                         tabular.deleteRow(r, true);
5368                                                         --re;
5369                                                         continue;
5370                                                 }
5371                                         } else {
5372                                                 if (tabular.row_info[r].change.deleted())
5373                                                         tabular.row_info[r].change.setUnchanged();
5374                                                 else if (tabular.row_info[r].change.inserted()) {
5375                                                         tabular.deleteRow(r, true);
5376                                                         --re;
5377                                                         continue;
5378                                                 }
5379                                         }
5380                                 }
5381                                 for (col_type c = cs; c <= ce; ++c) {
5382                                         if (ct && rs == 0 && re == tabular.nrows() - 1) {
5383                                                 // whole col selected
5384                                                 if (act == LFUN_CHANGE_ACCEPT) {
5385                                                         if (tabular.column_info[c].change.inserted())
5386                                                                 tabular.column_info[c].change.setUnchanged();
5387                                                         else if (tabular.column_info[c].change.deleted()) {
5388                                                                 tabular.deleteColumn(c, true);
5389                                                                 --ce;
5390                                                                 continue;
5391                                                         }
5392                                                 } else {
5393                                                         if (tabular.column_info[c].change.deleted())
5394                                                                 tabular.column_info[c].change.setUnchanged();
5395                                                         else if (tabular.column_info[c].change.inserted()) {
5396                                                                 tabular.deleteColumn(c, true);
5397                                                                 --ce;
5398                                                                 continue;
5399                                                         }
5400                                                 }
5401                                         }
5402                                         // cursor follows cell:
5403                                         tmpcur.idx() = tabular.cellIndex(r, c);
5404                                         // select this cell only:
5405                                         tmpcur.pit() = 0;
5406                                         tmpcur.pos() = 0;
5407                                         tmpcur.resetAnchor();
5408                                         tmpcur.pit() = tmpcur.lastpit();
5409                                         tmpcur.pos() = tmpcur.top().lastpos();
5410                                         tmpcur.setCursor(tmpcur);
5411                                         tmpcur.setSelection();
5412                                         cell(tmpcur.idx())->dispatch(tmpcur, cmd);
5413                                 }
5414                         }
5415                         if (ct) {
5416                                 tabular.updateIndexes();
5417                                 // cursor might be invalid
5418                                 cur.fixIfBroken();
5419                                 // change bar might need to be redrawn
5420                                 cur.screenUpdateFlags(Update::Force);
5421                                 cur.forceBufferUpdate();
5422                         }
5423                         break;
5424                 } else {
5425                         cell(cur.idx())->dispatch(cur, cmd);
5426                         break;
5427                 }
5428         }
5429
5430         case LFUN_CHANGE_NEXT:
5431         case LFUN_CHANGE_PREVIOUS: {
5432                 // BufferView::dispatch has already moved the cursor, we just
5433                 // need to select here if we have a changed row or column
5434                 if (tabular.row_info[tabular.cellRow(cur.idx())].change.changed()) {
5435                         // select row
5436                         cur.idx() = tabular.getFirstCellInRow(tabular.cellRow(cur.idx()));
5437                         cur.pit() = 0;
5438                         cur.pos() = 0;
5439                         cur.resetAnchor();
5440                         cur.idx() = tabular.getLastCellInRow(tabular.cellRow(cur.idx()));
5441                         cur.pit() = cur.lastpit();
5442                         cur.pos() = cur.lastpos();
5443                         cur.selection(true);
5444                         bvcur = cur;
5445                         rowselect_ = true;
5446                 }
5447                 else if (tabular.column_info[tabular.cellColumn(cur.idx())].change.changed()) {
5448                         // select column
5449                         cur.idx() = tabular.cellIndex(0, tabular.cellColumn(cur.idx()));
5450                         cur.pit() = 0;
5451                         cur.pos() = 0;
5452                         cur.resetAnchor();
5453                         cur.idx() = tabular.cellIndex(tabular.nrows() - 1, tabular.cellColumn(cur.idx()));
5454                         cur.pit() = cur.lastpit();
5455                         cur.pos() = cur.lastpos();
5456                         cur.selection(true);
5457                         bvcur = cur;
5458                         colselect_ = true;
5459                 }
5460                 break;
5461         }
5462
5463         case LFUN_INSET_SETTINGS:
5464                 // relay this lfun to Inset, not to the cell.
5465                 Inset::doDispatch(cur, cmd);
5466                 break;
5467
5468         default:
5469                 // we try to handle this event in the insets dispatch function.
5470                 cell(cur.idx())->dispatch(cur, cmd);
5471                 break;
5472         }
5473 }
5474
5475
5476 bool InsetTabular::getFeatureStatus(Cursor & cur, string const & s,
5477                       string const & argument, FuncStatus & status) const
5478 {
5479
5480                 int action = Tabular::LAST_ACTION;
5481                 int i = 0;
5482                 for (; tabularFeature[i].action != Tabular::LAST_ACTION; ++i) {
5483                         if (tabularFeature[i].feature == s) {
5484                                 action = tabularFeature[i].action;
5485                                 break;
5486                         }
5487                 }
5488                 if (action == Tabular::LAST_ACTION) {
5489                         status.clear();
5490                         status.setUnknown(true);
5491                         return true;
5492                 }
5493
5494                 row_type sel_row_start = 0;
5495                 row_type sel_row_end = 0;
5496                 col_type sel_col_start = 0;
5497                 col_type sel_col_end = 0;
5498                 Tabular::ltType dummyltt;
5499                 bool flag = true;
5500
5501                 getSelection(cur, sel_row_start, sel_row_end, sel_col_start, sel_col_end);
5502
5503                 switch (action) {
5504                 case Tabular::SET_PWIDTH:
5505                 case Tabular::SET_MPWIDTH:
5506                 case Tabular::TOGGLE_VARWIDTH_COLUMN:
5507                 case Tabular::SET_SPECIAL_COLUMN:
5508                 case Tabular::SET_SPECIAL_MULTICOLUMN:
5509                 case Tabular::APPEND_ROW:
5510                 case Tabular::APPEND_COLUMN:
5511                 case Tabular::DELETE_ROW:
5512                 case Tabular::DELETE_COLUMN:
5513                 case Tabular::COPY_ROW:
5514                 case Tabular::COPY_COLUMN:
5515                 case Tabular::SET_TOP_SPACE:
5516                 case Tabular::SET_BOTTOM_SPACE:
5517                 case Tabular::SET_INTERLINE_SPACE:
5518                         status.clear();
5519                         return true;
5520
5521                 case Tabular::SET_TABULAR_WIDTH:
5522                         status.setEnabled(!tabular.rotate
5523                                 && tabular.tabular_valignment == Tabular::LYX_VALIGN_MIDDLE);
5524                         break;
5525
5526                 case Tabular::MOVE_COLUMN_RIGHT:
5527                 case Tabular::MOVE_COLUMN_LEFT:
5528                 case Tabular::MOVE_ROW_DOWN:
5529                 case Tabular::MOVE_ROW_UP: {
5530                         if (cur.selection()) {
5531                                 status.message(_("Selections not supported."));
5532                                 status.setEnabled(false);
5533                                 break;
5534                         }
5535
5536                         if ((action == Tabular::MOVE_COLUMN_RIGHT &&
5537                                 tabular.ncols() == tabular.cellColumn(cur.idx()) + 1) ||
5538                             (action == Tabular::MOVE_COLUMN_LEFT &&
5539                                 tabular.cellColumn(cur.idx()) == 0) ||
5540                             (action == Tabular::MOVE_ROW_DOWN &&
5541                                 tabular.nrows() == tabular.cellRow(cur.idx()) + 1) ||
5542                             (action == Tabular::MOVE_ROW_UP &&
5543                                 tabular.cellRow(cur.idx()) == 0)) {
5544                                         status.setEnabled(false);
5545                                         break;
5546                         }
5547
5548                         if (action == Tabular::MOVE_COLUMN_RIGHT ||
5549                             action == Tabular::MOVE_COLUMN_LEFT) {
5550                                 if (tabular.hasMultiColumn(tabular.cellColumn(cur.idx())) ||
5551                                     tabular.hasMultiColumn(tabular.cellColumn(cur.idx()) +
5552                                         (action == Tabular::MOVE_COLUMN_RIGHT ? 1 : -1))) {
5553                                         status.message(_("Multi-column in current or"
5554                                                          " destination column."));
5555                                         status.setEnabled(false);
5556                                         break;
5557                                 }
5558                         }
5559
5560                         if (action == Tabular::MOVE_ROW_DOWN ||
5561                             action == Tabular::MOVE_ROW_UP) {
5562                                 if (tabular.hasMultiRow(tabular.cellRow(cur.idx())) ||
5563                                     tabular.hasMultiRow(tabular.cellRow(cur.idx()) +
5564                                         (action == Tabular::MOVE_ROW_DOWN ? 1 : -1))) {
5565                                         status.message(_("Multi-row in current or"
5566                                                          " destination row."));
5567                                         status.setEnabled(false);
5568                                         break;
5569                                 }
5570                         }
5571
5572                         status.setEnabled(true);
5573                         break;
5574                 }
5575
5576                 case Tabular::SET_DECIMAL_POINT:
5577                         status.setEnabled(
5578                                 tabular.getAlignment(cur.idx()) == LYX_ALIGN_DECIMAL);
5579                         break;
5580
5581                 case Tabular::SET_MULTICOLUMN:
5582                 case Tabular::UNSET_MULTICOLUMN:
5583                 case Tabular::MULTICOLUMN:
5584                         // If a row is set as longtable caption, it must not be allowed
5585                         // to unset that this row is a multicolumn.
5586                         status.setEnabled(sel_row_start == sel_row_end
5587                                 && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5588                         status.setOnOff(tabular.isMultiColumn(cur.idx()));
5589                         break;
5590
5591                 case Tabular::SET_MULTIROW:
5592                 case Tabular::UNSET_MULTIROW:
5593                 case Tabular::MULTIROW:
5594                         // If a row is set as longtable caption, it must not be allowed
5595                         // to unset that this row is a multirow.
5596                         status.setEnabled(sel_col_start == sel_col_end
5597                                 && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5598                         status.setOnOff(tabular.isMultiRow(cur.idx()));
5599                         break;
5600
5601                 case Tabular::SET_ALL_LINES:
5602                 case Tabular::UNSET_ALL_LINES:
5603                 case Tabular::SET_INNER_LINES:
5604                 case Tabular::SET_BORDER_LINES:
5605                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5606                         break;
5607
5608                 case Tabular::RESET_FORMAL_DEFAULT:
5609                         status.setEnabled(tabular.use_booktabs);
5610                         break;
5611
5612                 case Tabular::SET_LINE_TOP:
5613                 case Tabular::SET_LINE_BOTTOM:
5614                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5615                         break;
5616
5617                 case Tabular::SET_LINE_LEFT:
5618                 case Tabular::SET_LINE_RIGHT:
5619                         status.setEnabled(!tabular.use_booktabs
5620                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5621                         break;
5622
5623                 case Tabular::SET_LTRIM_TOP:
5624                 case Tabular::SET_RTRIM_TOP:
5625                         status.setEnabled(tabular.use_booktabs
5626                                           && tabular.cellRow(cur.idx()) != 0
5627                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5628                         break;
5629
5630                 case Tabular::SET_LTRIM_BOTTOM:
5631                 case Tabular::SET_RTRIM_BOTTOM:
5632                         status.setEnabled(tabular.use_booktabs
5633                                           && tabular.cellRow(cur.idx()) != tabular.nrows() - 1
5634                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5635                         break;
5636
5637                 case Tabular::TOGGLE_LINE_TOP:
5638                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5639                         status.setOnOff(tabular.topLine(cur.idx()));
5640                         break;
5641
5642                 case Tabular::TOGGLE_LINE_BOTTOM:
5643                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5644                         status.setOnOff(tabular.bottomLine(cur.idx()));
5645                         break;
5646
5647                 case Tabular::TOGGLE_LINE_LEFT:
5648                         status.setEnabled(!tabular.use_booktabs
5649                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5650                         status.setOnOff(tabular.leftLine(cur.idx()));
5651                         break;
5652
5653                 case Tabular::TOGGLE_LINE_RIGHT:
5654                         status.setEnabled(!tabular.use_booktabs
5655                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5656                         status.setOnOff(tabular.rightLine(cur.idx()));
5657                         break;
5658
5659                 case Tabular::TOGGLE_LTRIM_TOP:
5660                         status.setEnabled(tabular.use_booktabs
5661                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5662                         status.setOnOff(tabular.topLineTrim(cur.idx()).first);
5663                         break;
5664
5665                 case Tabular::TOGGLE_RTRIM_TOP:
5666                         status.setEnabled(tabular.use_booktabs
5667                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5668                         status.setOnOff(tabular.topLineTrim(cur.idx()).second);
5669                         break;
5670
5671                 case Tabular::TOGGLE_LTRIM_BOTTOM:
5672                         status.setEnabled(tabular.use_booktabs
5673                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5674                         status.setOnOff(tabular.bottomLineTrim(cur.idx()).first);
5675                         break;
5676
5677                 case Tabular::TOGGLE_RTRIM_BOTTOM:
5678                         status.setEnabled(tabular.use_booktabs
5679                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5680                         status.setOnOff(tabular.bottomLineTrim(cur.idx()).second);
5681                         break;
5682
5683                 // multirow cells only inherit the alignment of the column if the column has
5684                 // no width, otherwise they are left-aligned
5685                 // therefore allow always left but right and center only if there is no width
5686                 case Tabular::M_ALIGN_LEFT:
5687                         flag = false;
5688                         // fall through
5689                 case Tabular::ALIGN_LEFT:
5690                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_LEFT);
5691                         break;
5692
5693                 case Tabular::M_ALIGN_RIGHT:
5694                         flag = false;
5695                         // fall through
5696                 case Tabular::ALIGN_RIGHT:
5697                         status.setEnabled(!(tabular.isMultiRow(cur.idx())
5698                                 && !tabular.getPWidth(cur.idx()).zero()));
5699                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_RIGHT);
5700                         break;
5701
5702                 case Tabular::M_ALIGN_CENTER:
5703                         flag = false;
5704                         // fall through
5705                 case Tabular::ALIGN_CENTER:
5706                         status.setEnabled(!(tabular.isMultiRow(cur.idx())
5707                                 && !tabular.getPWidth(cur.idx()).zero()));
5708                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_CENTER);
5709                         break;
5710
5711                 case Tabular::ALIGN_BLOCK:
5712                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
5713                                 && !tabular.isMultiRow(cur.idx()));
5714                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_BLOCK);
5715                         break;
5716
5717                 case Tabular::ALIGN_DECIMAL:
5718                         status.setEnabled(!tabular.isMultiRow(cur.idx())
5719                                 && !tabular.isMultiColumn(cur.idx()));
5720                         status.setOnOff(tabular.getAlignment(cur.idx(), true) == LYX_ALIGN_DECIMAL);
5721                         break;
5722
5723                 case Tabular::M_VALIGN_TOP:
5724                         flag = false;
5725                         // fall through
5726                 case Tabular::VALIGN_TOP:
5727                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
5728                                 && !tabular.isMultiRow(cur.idx()));
5729                         status.setOnOff(
5730                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_TOP);
5731                         break;
5732
5733                 case Tabular::M_VALIGN_BOTTOM:
5734                         flag = false;
5735                         // fall through
5736                 case Tabular::VALIGN_BOTTOM:
5737                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
5738                                 && !tabular.isMultiRow(cur.idx()));
5739                         status.setOnOff(
5740                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_BOTTOM);
5741                         break;
5742
5743                 case Tabular::M_VALIGN_MIDDLE:
5744                         flag = false;
5745                         // fall through
5746                 case Tabular::VALIGN_MIDDLE:
5747                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
5748                                 && !tabular.isMultiRow(cur.idx()));
5749                         status.setOnOff(
5750                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_MIDDLE);
5751                         break;
5752
5753                 case Tabular::SET_LONGTABULAR:
5754                 case Tabular::TOGGLE_LONGTABULAR:
5755                         // setting as longtable is not allowed when table is inside a float
5756                         if (cur.innerInsetOfType(FLOAT_CODE) != nullptr
5757                                 || cur.innerInsetOfType(WRAP_CODE) != nullptr)
5758                                 status.setEnabled(false);
5759                         else
5760                                 status.setEnabled(true);
5761                         status.setOnOff(tabular.is_long_tabular);
5762                         break;
5763
5764                 case Tabular::UNSET_LONGTABULAR:
5765                         status.setOnOff(!tabular.is_long_tabular);
5766                         break;
5767
5768                 case Tabular::TOGGLE_ROTATE_TABULAR:
5769                 case Tabular::SET_ROTATE_TABULAR:
5770                         status.setOnOff(tabular.rotate != 0);
5771                         break;
5772
5773                 case Tabular::TABULAR_VALIGN_TOP:
5774                         status.setEnabled(tabular.tabular_width.zero());
5775                         status.setOnOff(tabular.tabular_valignment
5776                                 == Tabular::LYX_VALIGN_TOP);
5777                         break;
5778                 case Tabular::TABULAR_VALIGN_MIDDLE:
5779                         status.setEnabled(tabular.tabular_width.zero());
5780                         status.setOnOff(tabular.tabular_valignment
5781                                 == Tabular::LYX_VALIGN_MIDDLE);
5782                         break;
5783                 case Tabular::TABULAR_VALIGN_BOTTOM:
5784                         status.setEnabled(tabular.tabular_width.zero());
5785                         status.setOnOff(tabular.tabular_valignment
5786                                 == Tabular::LYX_VALIGN_BOTTOM);
5787                         break;
5788
5789                 case Tabular::LONGTABULAR_ALIGN_LEFT:
5790                         status.setOnOff(tabular.longtabular_alignment
5791                                 == Tabular::LYX_LONGTABULAR_ALIGN_LEFT);
5792                         break;
5793                 case Tabular::LONGTABULAR_ALIGN_CENTER:
5794                         status.setOnOff(tabular.longtabular_alignment
5795                                 == Tabular::LYX_LONGTABULAR_ALIGN_CENTER);
5796                         break;
5797                 case Tabular::LONGTABULAR_ALIGN_RIGHT:
5798                         status.setOnOff(tabular.longtabular_alignment
5799                                 == Tabular::LYX_LONGTABULAR_ALIGN_RIGHT);
5800                         break;
5801
5802                 case Tabular::UNSET_ROTATE_TABULAR:
5803                         status.setOnOff(tabular.rotate == 0);
5804                         break;
5805
5806                 case Tabular::TOGGLE_ROTATE_CELL:
5807                 case Tabular::SET_ROTATE_CELL:
5808                         status.setOnOff(!oneCellHasRotationState(false,
5809                                 sel_row_start, sel_row_end, sel_col_start, sel_col_end));
5810                         break;
5811
5812                 case Tabular::UNSET_ROTATE_CELL:
5813                         status.setOnOff(!oneCellHasRotationState(true,
5814                                 sel_row_start, sel_row_end, sel_col_start, sel_col_end));
5815                         break;
5816
5817                 case Tabular::SET_USEBOX:
5818                         status.setOnOff(convert<int>(argument) == tabular.getUsebox(cur.idx()));
5819                         break;
5820
5821                 // every row can only be one thing:
5822                 // either a footer or header
5823                 case Tabular::SET_LTFIRSTHEAD:
5824                         status.setEnabled(sel_row_start == sel_row_end);
5825                         status.setOnOff(tabular.getRowOfLTFirstHead(sel_row_start, dummyltt));
5826                         break;
5827
5828                 case Tabular::UNSET_LTFIRSTHEAD:
5829                         status.setEnabled(sel_row_start == sel_row_end);
5830                         status.setOnOff(!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt));
5831                         break;
5832
5833                 case Tabular::SET_LTHEAD:
5834                         status.setEnabled(sel_row_start == sel_row_end);
5835                         status.setOnOff(tabular.getRowOfLTHead(sel_row_start, dummyltt));
5836                         break;
5837
5838                 case Tabular::UNSET_LTHEAD:
5839                         status.setEnabled(sel_row_start == sel_row_end);
5840                         status.setOnOff(!tabular.getRowOfLTHead(sel_row_start, dummyltt));
5841                         break;
5842
5843                 case Tabular::SET_LTFOOT:
5844                         status.setEnabled(sel_row_start == sel_row_end);
5845                         status.setOnOff(tabular.getRowOfLTFoot(sel_row_start, dummyltt));
5846                         break;
5847
5848                 case Tabular::UNSET_LTFOOT:
5849                         status.setEnabled(sel_row_start == sel_row_end);
5850                         status.setOnOff(!tabular.getRowOfLTFoot(sel_row_start, dummyltt));
5851                         break;
5852
5853                 case Tabular::SET_LTLASTFOOT:
5854                         status.setEnabled(sel_row_start == sel_row_end);
5855                         status.setOnOff(tabular.getRowOfLTLastFoot(sel_row_start, dummyltt));
5856                         break;
5857
5858                 case Tabular::UNSET_LTLASTFOOT:
5859                         status.setEnabled(sel_row_start == sel_row_end);
5860                         status.setOnOff(!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt));
5861                         break;
5862
5863                 case Tabular::SET_LTNEWPAGE:
5864                         status.setOnOff(tabular.getLTNewPage(sel_row_start));
5865                         break;
5866                 case Tabular::UNSET_LTNEWPAGE:
5867                         status.setOnOff(!tabular.getLTNewPage(sel_row_start));
5868                         break;
5869
5870                 // only one row in head/firsthead/foot/lasthead can be the caption
5871                 // and a multirow cannot be set as caption
5872                 case Tabular::SET_LTCAPTION:
5873                         status.setEnabled(sel_row_start == sel_row_end
5874                                 && (!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt)
5875                                  || !tabular.haveLTCaption(Tabular::CAPTION_FIRSTHEAD))
5876                                 && (!tabular.getRowOfLTHead(sel_row_start, dummyltt)
5877                                  || !tabular.haveLTCaption(Tabular::CAPTION_HEAD))
5878                                 && (!tabular.getRowOfLTFoot(sel_row_start, dummyltt)
5879                                  || !tabular.haveLTCaption(Tabular::CAPTION_FOOT))
5880                                 && (!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt)
5881                                  || !tabular.haveLTCaption(Tabular::CAPTION_LASTFOOT))
5882                                 && !tabular.isMultiRow(sel_row_start));
5883                         status.setOnOff(tabular.ltCaption(sel_row_start));
5884                         break;
5885
5886                 case Tabular::UNSET_LTCAPTION:
5887                         status.setEnabled(sel_row_start == sel_row_end && tabular.ltCaption(sel_row_start));
5888                         break;
5889
5890                 case Tabular::TOGGLE_LTCAPTION:
5891                         status.setEnabled(sel_row_start == sel_row_end && (tabular.ltCaption(sel_row_start)
5892                                 || ((!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt)
5893                                   || !tabular.haveLTCaption(Tabular::CAPTION_FIRSTHEAD))
5894                                  && (!tabular.getRowOfLTHead(sel_row_start, dummyltt)
5895                                   || !tabular.haveLTCaption(Tabular::CAPTION_HEAD))
5896                                  && (!tabular.getRowOfLTFoot(sel_row_start, dummyltt)
5897                                   || !tabular.haveLTCaption(Tabular::CAPTION_FOOT))
5898                                  && (!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt)
5899                                   || !tabular.haveLTCaption(Tabular::CAPTION_LASTFOOT)))));
5900                         status.setOnOff(tabular.ltCaption(sel_row_start));
5901                         break;
5902
5903                 case Tabular::TOGGLE_BOOKTABS:
5904                 case Tabular::SET_BOOKTABS:
5905                         status.setOnOff(tabular.use_booktabs);
5906                         break;
5907
5908                 case Tabular::UNSET_BOOKTABS:
5909                         status.setOnOff(!tabular.use_booktabs);
5910                         break;
5911
5912                 default:
5913                         status.clear();
5914                         status.setEnabled(false);
5915                         break;
5916                 }
5917                 return true;
5918 }
5919
5920
5921 // function sets an object as defined in FuncStatus.h:
5922 // states OK, Unknown, Disabled, On, Off.
5923 bool InsetTabular::getStatus(Cursor & cur, FuncRequest const & cmd,
5924                              FuncStatus & status) const
5925 {
5926         switch (cmd.action()) {
5927         case LFUN_INSET_MODIFY:
5928                 if (cmd.getArg(0) != "tabular")
5929                         break;
5930                 if (cmd.getArg(1) == "for-dialog") {
5931                         // The dialog is asking the status of a command
5932                         if (&cur.inset() != this)
5933                                 break;
5934                         string action = cmd.getArg(2);
5935                         string arg = cmd.getLongArg(3);
5936                         return getFeatureStatus(cur, action, arg, status);
5937                 } else {
5938                         // We always enable the lfun if it is coming from the dialog
5939                         // because the dialog makes sure all the settings are valid,
5940                         // even though the first argument might not be valid now.
5941                         status.setEnabled(true);
5942                         return true;
5943                 }
5944
5945         case LFUN_TABULAR_FEATURE: {
5946                 if (&cur.inset() != this)
5947                         break;
5948                 string action = cmd.getArg(0);
5949                 string arg = cmd.getLongArg(1);
5950                 return getFeatureStatus(cur, action, arg, status);
5951         }
5952
5953         case LFUN_CAPTION_INSERT: {
5954                 // caption is only allowed in caption cell of longtable
5955                 if (!tabular.ltCaption(tabular.cellRow(cur.idx()))) {
5956                         status.setEnabled(false);
5957                         return true;
5958                 }
5959                 // only standard caption is allowed
5960                 string arg = cmd.getArg(0);
5961                 if (!arg.empty() && arg != "Standard") {
5962                         status.setEnabled(false);
5963                         return true;
5964                 }
5965                 // check if there is already a caption
5966                 bool have_caption = false;
5967                 InsetTableCell itc = InsetTableCell(*tabular.cellInset(cur.idx()));
5968                 ParagraphList::const_iterator pit = itc.paragraphs().begin();
5969                 ParagraphList::const_iterator pend = itc.paragraphs().end();
5970                 for (; pit != pend; ++pit) {
5971                         InsetList::const_iterator it  = pit->insetList().begin();
5972                         InsetList::const_iterator end = pit->insetList().end();
5973                         for (; it != end; ++it) {
5974                                 if (it->inset->lyxCode() == CAPTION_CODE) {
5975                                         have_caption = true;
5976                                         break;
5977                                 }
5978                         }
5979                 }
5980                 status.setEnabled(!have_caption);
5981                 return true;
5982         }
5983
5984         // These are only enabled inside tabular
5985         case LFUN_CELL_BACKWARD:
5986         case LFUN_CELL_FORWARD:
5987                 status.setEnabled(true);
5988                 return true;
5989
5990         // disable these with multiple cells selected
5991         case LFUN_INSET_INSERT:
5992         case LFUN_TABULAR_INSERT:
5993         case LFUN_TABULAR_STYLE_INSERT:
5994         case LFUN_FLEX_INSERT:
5995         case LFUN_FLOAT_INSERT:
5996         case LFUN_FLOAT_WIDE_INSERT:
5997         case LFUN_FOOTNOTE_INSERT:
5998         case LFUN_MARGINALNOTE_INSERT:
5999         case LFUN_MATH_INSERT:
6000         case LFUN_MATH_MODE:
6001         case LFUN_MATH_MUTATE:
6002         case LFUN_MATH_DISPLAY:
6003         case LFUN_NOTE_INSERT:
6004         case LFUN_ARGUMENT_INSERT:
6005         case LFUN_BOX_INSERT:
6006         case LFUN_BRANCH_INSERT:
6007         case LFUN_PHANTOM_INSERT:
6008         case LFUN_WRAP_INSERT:
6009         case LFUN_PREVIEW_INSERT:
6010         case LFUN_ERT_INSERT: {
6011                 if (cur.selIsMultiCell()) {
6012                         status.setEnabled(false);
6013                         return true;
6014                 } else
6015                         return cell(cur.idx())->getStatus(cur, cmd, status);
6016         }
6017
6018         case LFUN_CHANGE_ACCEPT:
6019         case LFUN_CHANGE_REJECT: {
6020                 if (cur.selIsMultiCell()) {
6021                         row_type rs, re;
6022                         col_type cs, ce;
6023                         getSelection(cur, rs, re, cs, ce);
6024                         for (row_type r = rs; r <= re; ++r) {
6025                                 if (tabular.row_info[r].change.changed()) {
6026                                         status.setEnabled(true);
6027                                         return true;
6028                                 }
6029                                 for (col_type c = cs; c <= ce; ++c) {
6030                                         if (tabular.column_info[c].change.changed()) {
6031                                                 status.setEnabled(true);
6032                                                 return true;
6033                                         }
6034                                 }
6035                         }
6036                 } else {
6037                         if (tabular.row_info[tabular.cellRow(cur.idx())].change.changed()) {
6038                                 status.setEnabled(true);
6039                                 return true;
6040                         }
6041                         else if (tabular.column_info[tabular.cellColumn(cur.idx())].change.changed()) {
6042                                 status.setEnabled(true);
6043                                 return true;
6044                         }
6045                 }
6046                 return cell(cur.idx())->getStatus(cur, cmd, status);
6047         }
6048
6049         // disable in non-fixed-width cells
6050         case LFUN_PARAGRAPH_BREAK:
6051                 // multirow does not allow paragraph breaks
6052                 if (tabular.isMultiRow(cur.idx())) {
6053                         status.setEnabled(false);
6054                         return true;
6055                 }
6056                 // fall through
6057         case LFUN_NEWLINE_INSERT:
6058                 if ((tabular.isMultiColumn(cur.idx()) || tabular.isMultiRow(cur.idx()))
6059                     && tabular.getPWidth(cur.idx()).zero()) {
6060                         status.setEnabled(false);
6061                         return true;
6062                 }
6063                 return cell(cur.idx())->getStatus(cur, cmd, status);
6064
6065         case LFUN_NEWPAGE_INSERT:
6066                 status.setEnabled(false);
6067                 return true;
6068
6069         case LFUN_PASTE:
6070                 if (tabularStackDirty() && theClipboard().isInternal()) {
6071                         if (cur.selIsMultiCell()) {
6072                                 row_type rs, re;
6073                                 col_type cs, ce;
6074                                 getSelection(cur, rs, re, cs, ce);
6075                                 if (paste_tabular && paste_tabular->ncols() == ce - cs + 1
6076                                           && paste_tabular->nrows() == re - rs + 1)
6077                                         status.setEnabled(true);
6078                                 else {
6079                                         status.setEnabled(false);
6080                                         status.message(_("Selection size should match clipboard content."));
6081                                 }
6082                         } else
6083                                 status.setEnabled(true);
6084                         return true;
6085                 }
6086                 return cell(cur.idx())->getStatus(cur, cmd, status);
6087
6088         case LFUN_INSET_SETTINGS:
6089                 // relay this lfun to Inset, not to the cell.
6090                 return Inset::getStatus(cur, cmd, status);
6091
6092         default:
6093                 // we try to handle this event in the insets dispatch function.
6094                 return cell(cur.idx())->getStatus(cur, cmd, status);
6095         }
6096         return false;
6097 }
6098
6099
6100 Inset::RowFlags InsetTabular::rowFlags() const
6101 {
6102                 if (tabular.is_long_tabular) {
6103                         switch (tabular.longtabular_alignment) {
6104                         case Tabular::LYX_LONGTABULAR_ALIGN_LEFT:
6105                                 return Display | AlignLeft;
6106                         case Tabular::LYX_LONGTABULAR_ALIGN_CENTER:
6107                                 return Display;
6108                         case Tabular::LYX_LONGTABULAR_ALIGN_RIGHT:
6109                                 return Display | AlignRight;
6110                         default:
6111                                 return Display;
6112                         }
6113                 } else
6114                         return Inline;
6115 }
6116
6117
6118 void InsetTabular::latex(otexstream & os, OutputParams const & runparams) const
6119 {
6120         tabular.latex(os, runparams);
6121 }
6122
6123
6124 int InsetTabular::plaintext(odocstringstream & os,
6125         OutputParams const & runparams, size_t max_length) const
6126 {
6127         os << '\n'; // output table on a new line
6128         int const dp = runparams.linelen > 0 ? runparams.depth : 0;
6129         tabular.plaintext(os, runparams, dp, false, 0, max_length);
6130         return PLAINTEXT_NEWLINE;
6131 }
6132
6133
6134 void InsetTabular::docbook(XMLStream & xs, OutputParams const & runparams) const
6135 {
6136         tabular.docbook(xs, runparams);
6137 }
6138
6139
6140 docstring InsetTabular::xhtml(XMLStream & xs, OutputParams const & rp) const
6141 {
6142         return tabular.xhtml(xs, rp);
6143 }
6144
6145
6146 void InsetTabular::validate(LaTeXFeatures & features) const
6147 {
6148         tabular.validate(features);
6149         features.useInsetLayout(getLayout());
6150 }
6151
6152
6153 shared_ptr<InsetTableCell const> InsetTabular::cell(idx_type idx) const
6154 {
6155         return tabular.cellInset(idx);
6156 }
6157
6158
6159 shared_ptr<InsetTableCell> InsetTabular::cell(idx_type idx)
6160 {
6161         return tabular.cellInset(idx);
6162 }
6163
6164
6165 void InsetTabular::cursorPos(BufferView const & bv,
6166                 CursorSlice const & sl, bool boundary, int & x, int & y) const
6167 {
6168         cell(sl.idx())->cursorPos(bv, sl, boundary, x, y);
6169
6170         // y offset     correction
6171         y += cellYPos(sl.idx());
6172         y += tabular.textVOffset(sl.idx());
6173         y += tabular.offsetVAlignment();
6174
6175         // x offset correction
6176         x += cellXPos(sl.idx());
6177         x += tabular.textHOffset(sl.idx());
6178         x += ADD_TO_TABULAR_WIDTH;
6179 }
6180
6181
6182 int InsetTabular::dist(BufferView & bv, idx_type const cell, int x, int y) const
6183 {
6184         int xx = 0;
6185         int yy = 0;
6186         Inset const & inset = *tabular.cellInset(cell);
6187         Point o = bv.coordCache().getInsets().xy(&inset);
6188         int const xbeg = o.x_ - tabular.textHOffset(cell);
6189         int const xend = xbeg + tabular.cellWidth(cell);
6190         row_type const row = tabular.cellRow(cell);
6191         int const ybeg = o.y_ - tabular.rowAscent(row)
6192                 - tabular.interRowSpace(row) - tabular.textVOffset(cell);
6193         int const yend = ybeg + tabular.cellHeight(cell);
6194
6195         if (x < xbeg)
6196                 xx = xbeg - x;
6197         else if (x > xend)
6198                 xx = x - xend;
6199
6200         if (y < ybeg)
6201                 yy = ybeg - y;
6202         else if (y > yend)
6203                 yy = y - yend;
6204
6205         //lyxerr << " xbeg=" << xbeg << "  xend=" << xend
6206         //       << " ybeg=" << ybeg << " yend=" << yend
6207         //       << " xx=" << xx << " yy=" << yy
6208         //       << " dist=" << xx + yy << endl;
6209         return xx + yy;
6210 }
6211
6212
6213 Inset * InsetTabular::editXY(Cursor & cur, int x, int y)
6214 {
6215         //lyxerr << "InsetTabular::editXY: " << this << endl;
6216         cur.push(*this);
6217         cur.idx() = getNearestCell(cur.bv(), x, y);
6218         return cur.bv().textMetrics(&cell(cur.idx())->text()).editXY(cur, x, y);
6219 }
6220
6221
6222 void InsetTabular::setCursorFromCoordinates(Cursor & cur, int x, int y) const
6223 {
6224         cur.idx() = getNearestCell(cur.bv(), x, y);
6225         cur.bv().textMetrics(&cell(cur.idx())->text()).setCursorFromCoordinates(cur, x, y);
6226 }
6227
6228
6229 idx_type InsetTabular::getNearestCell(BufferView & bv, int x, int y) const
6230 {
6231         idx_type idx_min = 0;
6232         int dist_min = numeric_limits<int>::max();
6233         for (idx_type i = 0, n = nargs(); i != n; ++i) {
6234                 if (bv.coordCache().getInsets().has(tabular.cellInset(i).get())) {
6235                         int const d = dist(bv, i, x, y);
6236                         if (d < dist_min) {
6237                                 dist_min = d;
6238                                 idx_min = i;
6239                         }
6240                 }
6241         }
6242         return idx_min;
6243 }
6244
6245
6246 int InsetTabular::cellYPos(idx_type const cell) const
6247 {
6248         row_type row = tabular.cellRow(cell);
6249         int ly = 0;
6250         for (row_type r = 0; r < row; ++r)
6251                 ly += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
6252                         + tabular.interRowSpace(r + 1);
6253         return ly;
6254 }
6255
6256
6257 int InsetTabular::cellXPos(idx_type const cell) const
6258 {
6259         col_type col = tabular.cellColumn(cell);
6260         int lx = 0;
6261         for (col_type c = 0; c < col; ++c)
6262                 lx += tabular.column_info[c].width;
6263         return lx;
6264 }
6265
6266
6267 void InsetTabular::moveNextCell(Cursor & cur, EntryDirection entry_from)
6268 {
6269         row_type const row = tabular.cellRow(cur.idx());
6270         col_type const col = tabular.cellColumn(cur.idx());
6271
6272         if (isRightToLeft(cur)) {
6273                 if (tabular.cellColumn(cur.idx()) == 0) {
6274                         if (row == tabular.nrows() - 1)
6275                                 return;
6276                         cur.idx() = tabular.cellBelow(tabular.getLastCellInRow(row));
6277                 } else {
6278                         if (cur.idx() == 0)
6279                                 return;
6280                         if (col == 0)
6281                                 cur.idx() = tabular.getLastCellInRow(row - 1);
6282                         else
6283                                 cur.idx() = tabular.cellIndex(row, col - 1);
6284                 }
6285         } else {
6286                 if (tabular.isLastCell(cur.idx()))
6287                         return;
6288                 if (cur.idx() == tabular.getLastCellInRow(row))
6289                         cur.idx() = tabular.cellIndex(row + 1, 0);
6290                 else {
6291                         col_type const colnextcell = col + tabular.columnSpan(cur.idx());
6292                         cur.idx() = tabular.cellIndex(row, colnextcell);
6293                 }
6294         }
6295
6296         cur.boundary(false);
6297
6298         if (cur.selIsMultiCell()) {
6299                 cur.pit() = cur.lastpit();
6300                 cur.pos() = cur.lastpos();
6301                 return;
6302         }
6303
6304         cur.pit() = 0;
6305         cur.pos() = 0;
6306
6307         // in visual mode, place cursor at extreme left or right
6308
6309         switch(entry_from) {
6310
6311         case ENTRY_DIRECTION_RIGHT:
6312                 cur.posVisToRowExtremity(false /* !left */);
6313                 break;
6314         case ENTRY_DIRECTION_LEFT:
6315                 cur.posVisToRowExtremity(true /* left */);
6316                 break;
6317         case ENTRY_DIRECTION_IGNORE:
6318                 // nothing to do in this case
6319                 break;
6320
6321         }
6322         cur.setCurrentFont();
6323 }
6324
6325
6326 void InsetTabular::movePrevCell(Cursor & cur, EntryDirection entry_from)
6327 {
6328         row_type const row = tabular.cellRow(cur.idx());
6329         col_type const col = tabular.cellColumn(cur.idx());
6330
6331         if (isRightToLeft(cur)) {
6332                 if (cur.idx() == tabular.getLastCellInRow(row)) {
6333                         if (row == 0)
6334                                 return;
6335                         cur.idx() = tabular.getFirstCellInRow(row);
6336                         cur.idx() = tabular.cellAbove(cur.idx());
6337                 } else {
6338                         if (tabular.isLastCell(cur.idx()))
6339                                 return;
6340                         if (cur.idx() == tabular.getLastCellInRow(row))
6341                                 cur.idx() = tabular.cellIndex(row + 1, 0);
6342                         else
6343                                 cur.idx() = tabular.cellIndex(row, col + 1);
6344                 }
6345         } else {
6346                 if (cur.idx() == 0) // first cell
6347                         return;
6348                 if (col == 0)
6349                         cur.idx() = tabular.getLastCellInRow(row - 1);
6350                 else
6351                         cur.idx() = tabular.cellIndex(row, col - 1);
6352         }
6353
6354         if (cur.selIsMultiCell()) {
6355                 cur.pit() = cur.lastpit();
6356                 cur.pos() = cur.lastpos();
6357                 return;
6358         }
6359
6360         cur.pit() = cur.lastpit();
6361         cur.pos() = cur.lastpos();
6362
6363         // in visual mode, place cursor at extreme left or right
6364
6365         switch(entry_from) {
6366
6367         case ENTRY_DIRECTION_RIGHT:
6368                 cur.posVisToRowExtremity(false /* !left */);
6369                 break;
6370         case ENTRY_DIRECTION_LEFT:
6371                 cur.posVisToRowExtremity(true /* left */);
6372                 break;
6373         case ENTRY_DIRECTION_IGNORE:
6374                 // nothing to do in this case
6375                 break;
6376
6377         }
6378         cur.setCurrentFont();
6379 }
6380
6381
6382 void InsetTabular::tabularFeatures(Cursor & cur, string const & argument)
6383 {
6384         cur.recordUndoInset(this);
6385
6386         istringstream is(argument);
6387         // limit the size of strings we read to avoid memory problems
6388         is >> setw(65636);
6389         string s;
6390         // Safe guard.
6391         size_t safe_guard = 0;
6392         for (;;) {
6393                 if (is.eof())
6394                         return;
6395                 safe_guard++;
6396                 if (safe_guard > 1000) {
6397                         LYXERR0("parameter max count reached!");
6398                         return;
6399                 }
6400                 is >> s;
6401                 Tabular::Feature action = Tabular::LAST_ACTION;
6402
6403                 size_t i = 0;
6404                 for (; tabularFeature[i].action != Tabular::LAST_ACTION; ++i) {
6405                         if (s != tabularFeature[i].feature)
6406                                 continue;
6407                         action = tabularFeature[i].action;
6408                         break;
6409                 }
6410                 if (action == Tabular::LAST_ACTION) {
6411                         LYXERR0("Feature not found " << s);
6412                         continue;
6413                 }
6414                 string val;
6415                 if (tabularFeature[i].need_value)
6416                         is >> val;
6417                 LYXERR(Debug::DEBUG, "Feature: " << s << "\t\tvalue: " << val);
6418                 tabularFeatures(cur, action, val);
6419         }
6420 }
6421
6422
6423 static void checkLongtableSpecial(Tabular::ltType & ltt,
6424                           string const & special, bool & flag)
6425 {
6426         if (special == "dl_above") {
6427                 ltt.topDL = flag;
6428                 ltt.set = false;
6429         } else if (special == "dl_below") {
6430                 ltt.bottomDL = flag;
6431                 ltt.set = false;
6432         } else if (special == "empty") {
6433                 ltt.empty = flag;
6434                 ltt.set = false;
6435         } else if (flag) {
6436                 ltt.empty = false;
6437                 ltt.set = true;
6438         }
6439 }
6440
6441
6442 bool InsetTabular::oneCellHasRotationState(bool rotated,
6443                 row_type row_start, row_type row_end,
6444                 col_type col_start, col_type col_end) const
6445 {
6446         for (row_type r = row_start; r <= row_end; ++r)
6447                 for (col_type c = col_start; c <= col_end; ++c)
6448                         if (rotated) {
6449                                 if (tabular.getRotateCell(tabular.cellIndex(r, c)) != 0)
6450                                         return true;
6451                         } else {
6452                                 if (tabular.getRotateCell(tabular.cellIndex(r, c)) == 0)
6453                                         return true;
6454                         }
6455         return false;
6456 }
6457
6458
6459 void InsetTabular::tabularFeatures(Cursor & cur,
6460         Tabular::Feature feature, string const & value)
6461 {
6462         col_type sel_col_start;
6463         col_type sel_col_end;
6464         row_type sel_row_start;
6465         row_type sel_row_end;
6466         bool setLines = false;
6467         bool setLinesInnerOnly = false;
6468         LyXAlignment setAlign = LYX_ALIGN_LEFT;
6469         Tabular::VAlignment setVAlign = Tabular::LYX_VALIGN_TOP;
6470
6471         switch (feature) {
6472
6473         case Tabular::M_ALIGN_LEFT:
6474         case Tabular::ALIGN_LEFT:
6475                 setAlign = LYX_ALIGN_LEFT;
6476                 break;
6477
6478         case Tabular::M_ALIGN_RIGHT:
6479         case Tabular::ALIGN_RIGHT:
6480                 setAlign = LYX_ALIGN_RIGHT;
6481                 break;
6482
6483         case Tabular::M_ALIGN_CENTER:
6484         case Tabular::ALIGN_CENTER:
6485                 setAlign = LYX_ALIGN_CENTER;
6486                 break;
6487
6488         case Tabular::ALIGN_BLOCK:
6489                 setAlign = LYX_ALIGN_BLOCK;
6490                 break;
6491
6492         case Tabular::ALIGN_DECIMAL:
6493                 setAlign = LYX_ALIGN_DECIMAL;
6494                 break;
6495
6496         case Tabular::M_VALIGN_TOP:
6497         case Tabular::VALIGN_TOP:
6498                 setVAlign = Tabular::LYX_VALIGN_TOP;
6499                 break;
6500
6501         case Tabular::M_VALIGN_BOTTOM:
6502         case Tabular::VALIGN_BOTTOM:
6503                 setVAlign = Tabular::LYX_VALIGN_BOTTOM;
6504                 break;
6505
6506         case Tabular::M_VALIGN_MIDDLE:
6507         case Tabular::VALIGN_MIDDLE:
6508                 setVAlign = Tabular::LYX_VALIGN_MIDDLE;
6509                 break;
6510
6511         default:
6512                 break;
6513         }
6514
6515         getSelection(cur, sel_row_start, sel_row_end, sel_col_start, sel_col_end);
6516         row_type const row = tabular.cellRow(cur.idx());
6517         col_type const column = tabular.cellColumn(cur.idx());
6518         bool flag = true;
6519         Tabular::ltType ltt;
6520
6521         switch (feature) {
6522
6523         case Tabular::SET_TABULAR_WIDTH:
6524                 tabular.setTabularWidth(Length(value));
6525                 break;
6526
6527         case Tabular::SET_PWIDTH: {
6528                 Length const len(value);
6529                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6530                         tabular.setColumnPWidth(cur, tabular.cellIndex(row, c), len);
6531                         if (len.zero()
6532                             && tabular.getAlignment(tabular.cellIndex(row, c), true) == LYX_ALIGN_BLOCK)
6533                                 tabularFeatures(cur, Tabular::ALIGN_CENTER, string());
6534                 }
6535                 break;
6536         }
6537
6538         case Tabular::SET_MPWIDTH:
6539                 tabular.setMColumnPWidth(cur, cur.idx(), Length(value));
6540                 break;
6541
6542         case Tabular::TOGGLE_VARWIDTH_COLUMN: {
6543                 bool const varwidth = value == "on";
6544                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6545                         tabular.toggleVarwidth(tabular.cellIndex(row, c), varwidth);
6546                 break;
6547         }
6548
6549         case Tabular::SET_MROFFSET:
6550                 tabular.setMROffset(cur, cur.idx(), Length(value));
6551                 break;
6552
6553         case Tabular::SET_SPECIAL_COLUMN:
6554         case Tabular::SET_SPECIAL_MULTICOLUMN:
6555                 if (value == "none")
6556                         tabular.setAlignSpecial(cur.idx(), docstring(), feature);
6557                 else
6558                         tabular.setAlignSpecial(cur.idx(), from_utf8(value), feature);
6559                 break;
6560
6561         case Tabular::APPEND_ROW:
6562                 // append the row into the tabular
6563                 tabular.appendRow(row);
6564                 break;
6565
6566         case Tabular::APPEND_COLUMN:
6567                 // append the column into the tabular
6568                 tabular.appendColumn(column);
6569                 cur.idx() = tabular.cellIndex(row, column);
6570                 break;
6571
6572         case Tabular::DELETE_ROW:
6573                 if (sel_row_end == tabular.nrows() - 1 && sel_row_start != 0) {
6574                         for (col_type c = 0; c < tabular.ncols(); c++) {
6575                                 tabular.setBottomLine(tabular.cellIndex(sel_row_start - 1, c),
6576                                         tabular.bottomLine(tabular.cellIndex(sel_row_end, c)));
6577                                 tabular.setBottomLineTrim(tabular.cellIndex(sel_row_start - 1, c),
6578                                         tabular.bottomLineTrim(tabular.cellIndex(sel_row_end, c)));
6579                         }
6580                 }
6581
6582                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6583                         tabular.deleteRow(sel_row_start);
6584                 if (sel_row_start >= tabular.nrows())
6585                         --sel_row_start;
6586                 cur.idx() = tabular.cellIndex(sel_row_start, column);
6587                 cur.pit() = 0;
6588                 cur.pos() = 0;
6589                 cur.selection(false);
6590                 break;
6591
6592         case Tabular::DELETE_COLUMN:
6593                 if (sel_col_end == tabular.ncols() - 1 && sel_col_start != 0) {
6594                         for (row_type r = 0; r < tabular.nrows(); r++)
6595                                 tabular.setRightLine(tabular.cellIndex(r, sel_col_start - 1),
6596                                         tabular.rightLine(tabular.cellIndex(r, sel_col_end)));
6597                 }
6598
6599                 if (sel_col_start == 0 && sel_col_end != tabular.ncols() - 1) {
6600                         for (row_type r = 0; r < tabular.nrows(); r++)
6601                                 tabular.setLeftLine(tabular.cellIndex(r, sel_col_end + 1),
6602                                         tabular.leftLine(tabular.cellIndex(r, 0)));
6603                 }
6604
6605                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6606                         tabular.deleteColumn(sel_col_start);
6607                 if (sel_col_start >= tabular.ncols())
6608                         --sel_col_start;
6609                 cur.idx() = tabular.cellIndex(row, sel_col_start);
6610                 cur.pit() = 0;
6611                 cur.pos() = 0;
6612                 cur.selection(false);
6613                 break;
6614
6615         case Tabular::COPY_ROW:
6616                 tabular.copyRow(row);
6617                 break;
6618
6619         case Tabular::COPY_COLUMN:
6620                 tabular.copyColumn(column);
6621                 cur.idx() = tabular.cellIndex(row, column);
6622                 break;
6623
6624         case Tabular::MOVE_COLUMN_RIGHT:
6625                 tabular.moveColumn(column, Tabular::RIGHT);
6626                 cur.idx() = tabular.cellIndex(row, column + 1);
6627                 break;
6628
6629         case Tabular::MOVE_COLUMN_LEFT:
6630                 tabular.moveColumn(column, Tabular::LEFT);
6631                 cur.idx() = tabular.cellIndex(row, column - 1);
6632                 break;
6633
6634         case Tabular::MOVE_ROW_DOWN:
6635                 tabular.moveRow(row, Tabular::DOWN);
6636                 cur.idx() = tabular.cellIndex(row + 1, column);
6637                 break;
6638
6639         case Tabular::MOVE_ROW_UP:
6640                 tabular.moveRow(row, Tabular::UP);
6641                 cur.idx() = tabular.cellIndex(row - 1, column);
6642                 break;
6643
6644         case Tabular::SET_LINE_TOP:
6645         case Tabular::TOGGLE_LINE_TOP: {
6646                 bool lineSet = (feature == Tabular::SET_LINE_TOP)
6647                                ? (value == "true") : !tabular.topLine(cur.idx());
6648                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6649                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6650                                 tabular.setTopLine(tabular.cellIndex(r, c), lineSet);
6651                 break;
6652         }
6653
6654         case Tabular::SET_LINE_BOTTOM:
6655         case Tabular::TOGGLE_LINE_BOTTOM: {
6656                 bool lineSet = (feature == Tabular::SET_LINE_BOTTOM)
6657                                ? (value == "true") : !tabular.bottomLine(cur.idx());
6658                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6659                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6660                                 tabular.setBottomLine(tabular.cellIndex(r, c), lineSet);
6661                 break;
6662         }
6663
6664         case Tabular::SET_LTRIM_TOP:
6665         case Tabular::TOGGLE_LTRIM_TOP: {
6666                 bool l = (feature == Tabular::SET_LTRIM_TOP)
6667                                ? (value == "true") : !tabular.topLineTrim(cur.idx()).first;
6668                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6669                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6670                                 tabular.setTopLineLTrim(tabular.cellIndex(r, c), l);
6671                 break;
6672         }
6673
6674         case Tabular::SET_RTRIM_TOP:
6675         case Tabular::TOGGLE_RTRIM_TOP: {
6676                 bool l = (feature == Tabular::SET_RTRIM_TOP)
6677                                ? (value == "true") : !tabular.topLineTrim(cur.idx()).second;
6678                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6679                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6680                                 tabular.setTopLineRTrim(tabular.cellIndex(r, c), l);
6681                 break;
6682         }
6683
6684         case Tabular::SET_LTRIM_BOTTOM:
6685         case Tabular::TOGGLE_LTRIM_BOTTOM: {
6686                 bool l = (feature == Tabular::SET_LTRIM_BOTTOM)
6687                                ? (value == "true") : !tabular.bottomLineTrim(cur.idx()).first;
6688                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6689                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6690                                 tabular.setBottomLineLTrim(tabular.cellIndex(r, c), l);
6691                 break;
6692         }
6693
6694         case Tabular::SET_RTRIM_BOTTOM:
6695         case Tabular::TOGGLE_RTRIM_BOTTOM: {
6696                 bool l = (feature == Tabular::SET_RTRIM_BOTTOM)
6697                                ? (value == "true") : !tabular.bottomLineTrim(cur.idx()).second;
6698                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6699                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6700                                 tabular.setBottomLineRTrim(tabular.cellIndex(r, c), l);
6701                 break;
6702         }
6703
6704         case Tabular::SET_LINE_LEFT:
6705         case Tabular::TOGGLE_LINE_LEFT: {
6706                 bool lineSet = (feature == Tabular::SET_LINE_LEFT)
6707                                ? (value == "true") : !tabular.leftLine(cur.idx());
6708                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6709                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6710                                 tabular.setLeftLine(tabular.cellIndex(r, c), lineSet);
6711                 break;
6712         }
6713
6714         case Tabular::SET_LINE_RIGHT:
6715         case Tabular::TOGGLE_LINE_RIGHT: {
6716                 bool lineSet = (feature == Tabular::SET_LINE_RIGHT)
6717                                ? (value == "true") : !tabular.rightLine(cur.idx());
6718                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6719                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6720                                 tabular.setRightLine(tabular.cellIndex(r, c), lineSet);
6721                 break;
6722         }
6723
6724         case Tabular::M_ALIGN_LEFT:
6725         case Tabular::M_ALIGN_RIGHT:
6726         case Tabular::M_ALIGN_CENTER:
6727         case Tabular::ALIGN_LEFT:
6728         case Tabular::ALIGN_RIGHT:
6729         case Tabular::ALIGN_CENTER:
6730         case Tabular::ALIGN_BLOCK:
6731         case Tabular::ALIGN_DECIMAL:
6732                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6733                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6734                                 tabular.setAlignment(tabular.cellIndex(r, c), setAlign,
6735                                 !tabular.getPWidth(c).zero());
6736                 break;
6737
6738         case Tabular::M_VALIGN_TOP:
6739         case Tabular::M_VALIGN_BOTTOM:
6740         case Tabular::M_VALIGN_MIDDLE:
6741                 flag = false;
6742                 // fall through
6743         case Tabular::VALIGN_TOP:
6744         case Tabular::VALIGN_BOTTOM:
6745         case Tabular::VALIGN_MIDDLE:
6746                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6747                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6748                                 tabular.setVAlignment(tabular.cellIndex(r, c), setVAlign, flag);
6749                 break;
6750
6751         case Tabular::SET_MULTICOLUMN: {
6752                 if (!cur.selection()) {
6753                         // just multicol for one single cell
6754                         // check whether we are completely in a multicol
6755                         if (!tabular.isMultiColumn(cur.idx()))
6756                                 tabular.setMultiColumn(cur, cur.idx(), 1,
6757                                         tabular.rightLine(cur.idx()));
6758                         break;
6759                 }
6760                 // we have a selection so this means we just add all these
6761                 // cells to form a multicolumn cell
6762                 idx_type const s_start = cur.selBegin().idx();
6763                 row_type const col_start = tabular.cellColumn(s_start);
6764                 row_type const col_end = tabular.cellColumn(cur.selEnd().idx());
6765                 cur.idx() = tabular.setMultiColumn(cur, s_start, col_end - col_start + 1,
6766                                                    tabular.rightLine(cur.selEnd().idx()));
6767                 cur.pit() = 0;
6768                 cur.pos() = 0;
6769                 cur.selection(false);
6770                 break;
6771         }
6772
6773         case Tabular::UNSET_MULTICOLUMN: {
6774                 if (!cur.selection()) {
6775                         if (tabular.isMultiColumn(cur.idx()))
6776                                 tabular.unsetMultiColumn(cur.idx());
6777                 }
6778                 break;
6779         }
6780
6781         case Tabular::MULTICOLUMN: {
6782                 if (!cur.selection()) {
6783                         if (tabular.isMultiColumn(cur.idx()))
6784                                 tabularFeatures(cur, Tabular::UNSET_MULTICOLUMN);
6785                         else
6786                                 tabularFeatures(cur, Tabular::SET_MULTICOLUMN);
6787                         break;
6788                 }
6789                 bool merge = false;
6790                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6791                         row_type const r = sel_row_start;
6792                         if (!tabular.isMultiColumn(tabular.cellIndex(r, c))
6793                             || (r > sel_row_start && !tabular.isPartOfMultiColumn(r, c)))
6794                                 merge = true;
6795                 }
6796                 // If the selection contains at least one singlecol cell
6797                 // or multiple multicol cells,
6798                 // we assume the user will merge is to a single multicol
6799                 if (merge)
6800                         tabularFeatures(cur, Tabular::SET_MULTICOLUMN);
6801                 else
6802                         tabularFeatures(cur, Tabular::UNSET_MULTICOLUMN);
6803                 break;
6804         }
6805
6806         case Tabular::SET_MULTIROW: {
6807                 if (!cur.selection()) {
6808                         // just multirow for one single cell
6809                         // check whether we are completely in a multirow
6810                         if (!tabular.isMultiRow(cur.idx()))
6811                                 tabular.setMultiRow(cur, cur.idx(), 1,
6812                                                     tabular.bottomLine(cur.idx()),
6813                                                     tabular.getAlignment(cur.idx()));
6814                         break;
6815                 }
6816                 // we have a selection so this means we just add all this
6817                 // cells to form a multirow cell
6818                 idx_type const s_start = cur.selBegin().idx();
6819                 row_type const row_start = tabular.cellRow(s_start);
6820                 row_type const row_end = tabular.cellRow(cur.selEnd().idx());
6821                 cur.idx() = tabular.setMultiRow(cur, s_start, row_end - row_start + 1,
6822                                                 tabular.bottomLine(cur.selEnd().idx()),
6823                                                 tabular.getAlignment(cur.selEnd().idx()));
6824                 cur.pit() = 0;
6825                 cur.pos() = 0;
6826                 cur.selection(false);
6827                 break;
6828         }
6829
6830         case Tabular::UNSET_MULTIROW: {
6831                 if (!cur.selection()) {
6832                         if (tabular.isMultiRow(cur.idx()))
6833                                 tabular.unsetMultiRow(cur.idx());
6834                 }
6835                 break;
6836         }
6837
6838         case Tabular::MULTIROW: {
6839                 if (!cur.selection()) {
6840                         if (tabular.isMultiRow(cur.idx()))
6841                                 tabularFeatures(cur, Tabular::UNSET_MULTIROW);
6842                         else
6843                                 tabularFeatures(cur, Tabular::SET_MULTIROW);
6844                         break;
6845                 }
6846                 bool merge = false;
6847                 for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6848                         col_type const c = sel_col_start;
6849                         if (!tabular.isMultiRow(tabular.cellIndex(r, c))
6850                             || (r > sel_row_start && !tabular.isPartOfMultiRow(r, c)))
6851                                 merge = true;
6852                 }
6853                 // If the selection contains at least one singlerow cell
6854                 // or multiple multirow cells,
6855                 // we assume the user will merge is to a single multirow
6856                 if (merge)
6857                         tabularFeatures(cur, Tabular::SET_MULTIROW);
6858                 else
6859                         tabularFeatures(cur, Tabular::UNSET_MULTIROW);
6860                 break;
6861         }
6862
6863         case Tabular::SET_INNER_LINES:
6864                 setLinesInnerOnly = true;
6865                 // fall through
6866         case Tabular::SET_ALL_LINES:
6867                 setLines = true;
6868                 // fall through
6869         case Tabular::UNSET_ALL_LINES:
6870                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6871                         for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6872                                 idx_type const cell = tabular.cellIndex(r, c);
6873                                 if (!setLinesInnerOnly || r != sel_row_start)
6874                                         tabular.setTopLine(cell, setLines);
6875                                 if ((!setLinesInnerOnly || r != sel_row_end)
6876                                     && (!setLines || r == sel_row_end))
6877                                         tabular.setBottomLine(cell, setLines);
6878                                 if ((!setLinesInnerOnly || c != sel_col_end)
6879                                     && (!setLines || c == sel_col_end))
6880                                         tabular.setRightLine(cell, setLines);
6881                                 if ((!setLinesInnerOnly || c != sel_col_start))
6882                                         tabular.setLeftLine(cell, setLines);
6883                         }
6884                 break;
6885
6886         case Tabular::RESET_FORMAL_DEFAULT:
6887                 for (row_type r = 0; r < tabular.nrows(); ++r) {
6888                         bool const head_or_foot = r == 0 || r == tabular.nrows() - 1;
6889                         for (col_type c = 0; c < tabular.ncols(); ++c) {
6890                                 idx_type const cell = tabular.cellIndex(r, c);
6891                                 tabular.setTopLine(cell, head_or_foot);
6892                                 tabular.setBottomLine(cell, head_or_foot);
6893                         }
6894                 }
6895                 break;
6896
6897         case Tabular::SET_BORDER_LINES:
6898                 for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6899                         tabular.setLeftLine(tabular.cellIndex(r, sel_col_start), true);
6900                         tabular.setRightLine(tabular.cellIndex(r, sel_col_end), true);
6901                 }
6902                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6903                         tabular.setTopLine(tabular.cellIndex(sel_row_start, c), true);
6904                         tabular.setBottomLine(tabular.cellIndex(sel_row_end, c), true);
6905                 }
6906                 break;
6907
6908         case Tabular::TOGGLE_LONGTABULAR:
6909                 if (tabular.is_long_tabular)
6910                         tabularFeatures(cur, Tabular::UNSET_LONGTABULAR);
6911                 else
6912                         tabular.is_long_tabular = true;
6913                 break;
6914
6915         case Tabular::SET_LONGTABULAR:
6916                 tabular.is_long_tabular = true;
6917                 break;
6918
6919         case Tabular::UNSET_LONGTABULAR:
6920                 for (row_type r = 0; r < tabular.nrows(); ++r) {
6921                         if (tabular.ltCaption(r)) {
6922                                 cur.idx() = tabular.cellIndex(r, 0);
6923                                 cur.pit() = 0;
6924                                 cur.pos() = 0;
6925                                 tabularFeatures(cur, Tabular::TOGGLE_LTCAPTION);
6926                         }
6927                 }
6928                 tabular.is_long_tabular = false;
6929                 break;
6930
6931         case Tabular::SET_ROTATE_TABULAR:
6932                 tabular.rotate = convert<int>(value);
6933                 break;
6934
6935         case Tabular::UNSET_ROTATE_TABULAR:
6936                 tabular.rotate = 0;
6937                 break;
6938
6939         case Tabular::TOGGLE_ROTATE_TABULAR:
6940                 // when pressing the rotate button we default to 90° rotation
6941                 tabular.rotate != 0 ? tabular.rotate = 0 : tabular.rotate = 90;
6942                 break;
6943
6944         case Tabular::TABULAR_VALIGN_TOP:
6945                 tabular.tabular_valignment = Tabular::LYX_VALIGN_TOP;
6946                 break;
6947
6948         case Tabular::TABULAR_VALIGN_MIDDLE:
6949                 tabular.tabular_valignment = Tabular::LYX_VALIGN_MIDDLE;
6950                 break;
6951
6952         case Tabular::TABULAR_VALIGN_BOTTOM:
6953                 tabular.tabular_valignment = Tabular::LYX_VALIGN_BOTTOM;
6954                 break;
6955
6956         case Tabular::LONGTABULAR_ALIGN_LEFT:
6957                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_LEFT;
6958                 break;
6959
6960         case Tabular::LONGTABULAR_ALIGN_CENTER:
6961                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_CENTER;
6962                 break;
6963
6964         case Tabular::LONGTABULAR_ALIGN_RIGHT:
6965                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_RIGHT;
6966                 break;
6967
6968         case Tabular::SET_ROTATE_CELL:
6969                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6970                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6971                                 tabular.setRotateCell(tabular.cellIndex(r, c), convert<int>(value));
6972                 break;
6973
6974         case Tabular::UNSET_ROTATE_CELL:
6975                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6976                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6977                                 tabular.setRotateCell(tabular.cellIndex(r, c), 0);
6978                 break;
6979
6980         case Tabular::TOGGLE_ROTATE_CELL:
6981                 {
6982                 bool oneNotRotated = oneCellHasRotationState(false,
6983                         sel_row_start, sel_row_end, sel_col_start, sel_col_end);
6984
6985                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6986                         for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6987                                 // when pressing the rotate cell button we default to 90° rotation
6988                                 if (oneNotRotated)
6989                                         tabular.setRotateCell(tabular.cellIndex(r, c), 90);
6990                                 else
6991                                         tabular.setRotateCell(tabular.cellIndex(r, c), 0);
6992                         }
6993                 }
6994                 break;
6995
6996         case Tabular::SET_USEBOX: {
6997                 Tabular::BoxType val = Tabular::BoxType(convert<int>(value));
6998                 if (val == tabular.getUsebox(cur.idx()))
6999                         val = Tabular::BOX_NONE;
7000                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7001                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
7002                                 tabular.setUsebox(tabular.cellIndex(r, c), val);
7003                 break;
7004         }
7005
7006         case Tabular::UNSET_LTFIRSTHEAD:
7007                 flag = false;
7008                 // fall through
7009         case Tabular::SET_LTFIRSTHEAD:
7010                 tabular.getRowOfLTFirstHead(row, ltt);
7011                 checkLongtableSpecial(ltt, value, flag);
7012                 tabular.setLTHead(row, flag, ltt, true);
7013                 break;
7014
7015         case Tabular::UNSET_LTHEAD:
7016                 flag = false;
7017                 // fall through
7018         case Tabular::SET_LTHEAD:
7019                 tabular.getRowOfLTHead(row, ltt);
7020                 checkLongtableSpecial(ltt, value, flag);
7021                 tabular.setLTHead(row, flag, ltt, false);
7022                 break;
7023
7024         case Tabular::UNSET_LTFOOT:
7025                 flag = false;
7026                 // fall through
7027         case Tabular::SET_LTFOOT:
7028                 tabular.getRowOfLTFoot(row, ltt);
7029                 checkLongtableSpecial(ltt, value, flag);
7030                 tabular.setLTFoot(row, flag, ltt, false);
7031                 break;
7032
7033         case Tabular::UNSET_LTLASTFOOT:
7034                 flag = false;
7035                 // fall through
7036         case Tabular::SET_LTLASTFOOT:
7037                 tabular.getRowOfLTLastFoot(row, ltt);
7038                 checkLongtableSpecial(ltt, value, flag);
7039                 tabular.setLTFoot(row, flag, ltt, true);
7040                 break;
7041
7042         case Tabular::UNSET_LTNEWPAGE:
7043                 flag = false;
7044                 // fall through
7045         case Tabular::SET_LTNEWPAGE:
7046                 tabular.setLTNewPage(row, flag);
7047                 break;
7048
7049         case Tabular::SET_LTCAPTION: {
7050                 if (tabular.ltCaption(row))
7051                         break;
7052                 cur.idx() = tabular.setLTCaption(cur, row, true);
7053                 cur.pit() = 0;
7054                 cur.pos() = 0;
7055                 cur.selection(false);
7056                 // If a row is set as caption, then also insert
7057                 // a caption. Otherwise the LaTeX output is broken.
7058                 // Select cell if it is non-empty
7059                 if (cur.lastpos() > 0 || cur.lastpit() > 0)
7060                         lyx::dispatch(FuncRequest(LFUN_INSET_SELECT_ALL));
7061                 lyx::dispatch(FuncRequest(LFUN_CAPTION_INSERT));
7062                 break;
7063         }
7064
7065         case Tabular::UNSET_LTCAPTION: {
7066                 if (!tabular.ltCaption(row))
7067                         break;
7068                 cur.idx() = tabular.setLTCaption(cur, row, false);
7069                 cur.pit() = 0;
7070                 cur.pos() = 0;
7071                 cur.selection(false);
7072                 FuncRequest fr(LFUN_INSET_DISSOLVE, "caption");
7073                 if (lyx::getStatus(fr).enabled())
7074                         lyx::dispatch(fr);
7075                 break;
7076         }
7077
7078         case Tabular::TOGGLE_LTCAPTION: {
7079                 if (tabular.ltCaption(row))
7080                         tabularFeatures(cur, Tabular::UNSET_LTCAPTION);
7081                 else
7082                         tabularFeatures(cur, Tabular::SET_LTCAPTION);
7083                 break;
7084         }
7085
7086         case Tabular::TOGGLE_BOOKTABS:
7087                 tabular.use_booktabs = !tabular.use_booktabs;
7088                 break;
7089
7090         case Tabular::SET_BOOKTABS:
7091                 tabular.use_booktabs = true;
7092                 break;
7093
7094         case Tabular::UNSET_BOOKTABS:
7095                 tabular.use_booktabs = false;
7096                 break;
7097
7098         case Tabular::SET_TOP_SPACE: {
7099                 Length len;
7100                 if (value == "default")
7101                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7102                                 tabular.row_info[r].top_space_default = true;
7103                 else if (value == "none")
7104                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7105                                 tabular.row_info[r].top_space_default = false;
7106                                 tabular.row_info[r].top_space = len;
7107                         }
7108                 else if (isValidLength(value, &len))
7109                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7110                                 tabular.row_info[r].top_space_default = false;
7111                                 tabular.row_info[r].top_space = len;
7112                         }
7113                 break;
7114         }
7115
7116         case Tabular::SET_BOTTOM_SPACE: {
7117                 Length len;
7118                 if (value == "default")
7119                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7120                                 tabular.row_info[r].bottom_space_default = true;
7121                 else if (value == "none")
7122                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7123                                 tabular.row_info[r].bottom_space_default = false;
7124                                 tabular.row_info[r].bottom_space = len;
7125                         }
7126                 else if (isValidLength(value, &len))
7127                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7128                                 tabular.row_info[r].bottom_space_default = false;
7129                                 tabular.row_info[r].bottom_space = len;
7130                         }
7131                 break;
7132         }
7133
7134         case Tabular::SET_INTERLINE_SPACE: {
7135                 Length len;
7136                 if (value == "default")
7137                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7138                                 tabular.row_info[r].interline_space_default = true;
7139                 else if (value == "none")
7140                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7141                                 tabular.row_info[r].interline_space_default = false;
7142                                 tabular.row_info[r].interline_space = len;
7143                         }
7144                 else if (isValidLength(value, &len))
7145                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7146                                 tabular.row_info[r].interline_space_default = false;
7147                                 tabular.row_info[r].interline_space = len;
7148                         }
7149                 break;
7150         }
7151
7152         case Tabular::SET_DECIMAL_POINT:
7153                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
7154                         tabular.column_info[c].decimal_point = from_utf8(value);
7155                 break;
7156
7157         // dummy stuff just to avoid warnings
7158         case Tabular::LAST_ACTION:
7159                 break;
7160         }
7161 }
7162
7163
7164 bool InsetTabular::copySelection(Cursor & cur)
7165 {
7166         if (!cur.selection())
7167                 return false;
7168
7169         row_type rs, re;
7170         col_type cs, ce;
7171         getSelection(cur, rs, re, cs, ce);
7172
7173         paste_tabular.reset(new Tabular(tabular));
7174
7175         for (row_type r = 0; r < rs; ++r)
7176                 paste_tabular->deleteRow(0, true);
7177
7178         row_type const rows = re - rs + 1;
7179         while (paste_tabular->nrows() > rows)
7180                 paste_tabular->deleteRow(rows, true);
7181
7182         for (col_type c = 0; c < cs; ++c)
7183                 paste_tabular->deleteColumn(0, true);
7184
7185         col_type const columns = ce - cs + 1;
7186         while (paste_tabular->ncols() > columns)
7187                 paste_tabular->deleteColumn(columns, true);
7188
7189         paste_tabular->setBuffer(tabular.buffer());
7190
7191         odocstringstream os;
7192         OutputParams const runparams(nullptr);
7193         paste_tabular->plaintext(os, runparams, 0, true, '\t', INT_MAX);
7194         // Needed for the "Edit->Paste recent" menu and the system clipboard.
7195         cap::copySelection(cur, os.str());
7196
7197         // mark tabular stack dirty
7198         // FIXME: this is a workaround for bug 1919. Should be removed for 1.5,
7199         // when we (hopefully) have a one-for-all paste mechanism.
7200         // This must be called after cap::copySelection.
7201         dirtyTabularStack(true);
7202
7203         return true;
7204 }
7205
7206
7207 bool InsetTabular::pasteClipboard(Cursor & cur)
7208 {
7209         if (!paste_tabular)
7210                 return false;
7211         col_type actcol = tabular.cellColumn(cur.idx());
7212         row_type actrow = tabular.cellRow(cur.idx());
7213
7214         if (cur.selIsMultiCell()) {
7215                 row_type re;
7216                 col_type ce;
7217                 getSelection(cur, actrow, re, actcol, ce);
7218         }
7219
7220         col_type const oldncols = tabular.ncols();
7221         for (row_type r1 = 0, r2 = actrow; r1 < paste_tabular->nrows(); ++r1, ++r2) {
7222                 // Append rows if needed
7223                 if (r2 == tabular.nrows())
7224                         tabular.insertRow(r2 - 1, false);
7225                 for (col_type c1 = 0, c2 = actcol; c1 < paste_tabular->ncols(); ++c1, ++c2) {
7226                         // Append columns if needed
7227                         if (c2 == tabular.ncols())
7228                                 tabular.insertColumn(c2 - 1, false);
7229                         if (paste_tabular->isPartOfMultiColumn(r1, c1) &&
7230                               tabular.isPartOfMultiColumn(r2, c2))
7231                                 continue;
7232                         if (paste_tabular->isPartOfMultiColumn(r1, c1)) {
7233                                 --c2;
7234                                 continue;
7235                         }
7236                         if (tabular.isPartOfMultiColumn(r2, c2)) {
7237                                 --c1;
7238                                 continue;
7239                         }
7240                         shared_ptr<InsetTableCell> inset(
7241                                 new InsetTableCell(*paste_tabular->cellInset(r1, c1)));
7242                         tabular.setCellInset(r2, c2, inset);
7243                         // FIXME?: why do we need to do this explicitly? (EL)
7244                         tabular.cellInset(r2, c2)->setBuffer(tabular.buffer());
7245
7246                         if (!lyxrc.ct_markup_copied) {
7247                                 // do not paste deleted text
7248                                 inset->acceptChanges();
7249                                 inset->setChange(Change(buffer().params().track_changes ?
7250                                                 Change::INSERTED : Change::UNCHANGED));
7251                         }
7252                         cur.pos() = 0;
7253                         cur.pit() = 0;
7254                 }
7255         }
7256         // amend cursor position if cols have been appended
7257         cur.idx() += actrow * (tabular.ncols() - oldncols);
7258         return true;
7259 }
7260
7261
7262 void InsetTabular::cutSelection(Cursor & cur)
7263 {
7264         if (!cur.selection())
7265                 return;
7266
7267         row_type rs, re;
7268         col_type cs, ce;
7269         getSelection(cur, rs, re, cs, ce);
7270         for (row_type r = rs; r <= re; ++r) {
7271                 for (col_type c = cs; c <= ce; ++c) {
7272                         shared_ptr<InsetTableCell> t
7273                                 = cell(tabular.cellIndex(r, c));
7274                         if (buffer().params().track_changes)
7275                                 // FIXME: Change tracking (MG)
7276                                 t->setChange(Change(Change::DELETED));
7277                         else
7278                                 t->clear();
7279                 }
7280         }
7281
7282         // cursor position might be invalid now
7283         if (cur.pit() > cur.lastpit())
7284                 cur.pit() = cur.lastpit();
7285         if (cur.pos() > cur.lastpos())
7286                 cur.pos() = cur.lastpos();
7287         cur.clearSelection();
7288 }
7289
7290
7291 bool InsetTabular::isRightToLeft(Cursor & cur) const
7292 {
7293         // LASSERT: It might be better to abandon this Buffer.
7294         LASSERT(cur.depth() > 1, return false);
7295         Paragraph const & parentpar = cur[cur.depth() - 2].paragraph();
7296         pos_type const parentpos = cur[cur.depth() - 2].pos();
7297         return parentpar.getFontSettings(buffer().params(),
7298                                          parentpos).language()->rightToLeft();
7299 }
7300
7301
7302 docstring InsetTabular::asString(idx_type stidx, idx_type enidx,
7303                                  bool intoInsets)
7304 {
7305         LASSERT(stidx <= enidx, return docstring());
7306         docstring retval;
7307         col_type const col1 = tabular.cellColumn(stidx);
7308         col_type const col2 = tabular.cellColumn(enidx);
7309         row_type const row1 = tabular.cellRow(stidx);
7310         row_type const row2 = tabular.cellRow(enidx);
7311         bool first = true;
7312         for (col_type col = col1; col <= col2; col++)
7313                 for (row_type row = row1; row <= row2; row++) {
7314                         if (!first)
7315                                 retval += "\n";
7316                         else
7317                                 first = false;
7318                         retval += tabular.cellInset(row, col)->asString(intoInsets);
7319                 }
7320         return retval;
7321 }
7322
7323
7324 ParagraphList InsetTabular::asParList(idx_type stidx, idx_type enidx)
7325 {
7326         LASSERT(stidx <= enidx, return ParagraphList());
7327         ParagraphList retval;
7328         col_type const col1 = tabular.cellColumn(stidx);
7329         col_type const col2 = tabular.cellColumn(enidx);
7330         row_type const row1 = tabular.cellRow(stidx);
7331         row_type const row2 = tabular.cellRow(enidx);
7332         for (col_type col = col1; col <= col2; col++)
7333                 for (row_type row = row1; row <= row2; row++)
7334                         for (auto const & par : tabular.cellInset(row, col)->paragraphs())
7335                                 retval.push_back(par);
7336         return retval;
7337 }
7338
7339
7340 void InsetTabular::getSelection(Cursor & cur,
7341         row_type & rs, row_type & re, col_type & cs, col_type & ce) const
7342 {
7343         CursorSlice const & beg = cur.selBegin();
7344         CursorSlice const & end = cur.selEnd();
7345         cs = tabular.cellColumn(beg.idx());
7346         ce = tabular.cellColumn(end.idx());
7347         if (cs > ce)
7348                 swap(cs, ce);
7349
7350         rs = tabular.cellRow(beg.idx());
7351         re = tabular.cellRow(end.idx());
7352         if (rs > re)
7353                 swap(rs, re);
7354 }
7355
7356
7357 Text * InsetTabular::getText(int idx) const
7358 {
7359         return size_t(idx) < nargs() ? cell(idx)->getText(0) : nullptr;
7360 }
7361
7362
7363 bool InsetTabular::isChanged() const
7364 {
7365         for (idx_type idx = 0; idx < nargs(); ++idx) {
7366                 if (cell(idx)->isChanged())
7367                         return true;
7368                 if (tabular.row_info[tabular.cellRow(idx)].change.changed())
7369                         return true;
7370                 if (tabular.column_info[tabular.cellColumn(idx)].change.changed())
7371                         return true;
7372         }
7373         return false;
7374 }
7375
7376
7377 void InsetTabular::setChange(Change const & change)
7378 {
7379         for (idx_type idx = 0; idx < nargs(); ++idx)
7380                 cell(idx)->setChange(change);
7381 }
7382
7383
7384 void InsetTabular::acceptChanges()
7385 {
7386         for (idx_type idx = 0; idx < nargs(); ++idx)
7387                 cell(idx)->acceptChanges();
7388         for (row_type row = 0; row < tabular.nrows(); ++row) {
7389                 if (tabular.row_info[row].change.inserted())
7390                         tabular.row_info[row].change.setUnchanged();
7391                 else if (tabular.row_info[row].change.deleted())
7392                         tabular.deleteRow(row, true);
7393         }
7394         for (col_type col = 0; col < tabular.ncols(); ++col) {
7395                 if (tabular.column_info[col].change.inserted())
7396                         tabular.column_info[col].change.setUnchanged();
7397                 else if (tabular.column_info[col].change.deleted())
7398                         tabular.deleteColumn(col, true);
7399         }
7400         tabular.updateIndexes();
7401 }
7402
7403
7404 void InsetTabular::rejectChanges()
7405 {
7406         for (idx_type idx = 0; idx < nargs(); ++idx)
7407                 cell(idx)->rejectChanges();
7408         for (row_type row = 0; row < tabular.nrows(); ++row) {
7409                 if (tabular.row_info[row].change.deleted())
7410                         tabular.row_info[row].change.setUnchanged();
7411                 else if (tabular.row_info[row].change.inserted())
7412                         tabular.deleteRow(row, true);
7413         }
7414         for (col_type col = 0; col < tabular.ncols(); ++col) {
7415                 if (tabular.column_info[col].change.deleted())
7416                         tabular.column_info[col].change.setUnchanged();
7417                 else if (tabular.column_info[col].change.inserted())
7418                         tabular.deleteColumn(col, true);
7419         }
7420         tabular.updateIndexes();
7421 }
7422
7423
7424 bool InsetTabular::allowParagraphCustomization(idx_type cell) const
7425 {
7426         return tabular.getPWidth(cell).zero();
7427 }
7428
7429
7430 bool InsetTabular::forcePlainLayout(idx_type cell) const
7431 {
7432         return tabular.isMultiColumn(cell) && !tabular.getPWidth(cell).zero();
7433 }
7434
7435
7436 bool InsetTabular::insertPlaintextString(BufferView & bv, docstring const & buf,
7437                                      bool usePaste)
7438 {
7439         if (buf.length() <= 0)
7440                 return true;
7441
7442         col_type cols = 1;
7443         row_type rows = 1;
7444         col_type maxCols = 1;
7445         size_t const len = buf.length();
7446         size_t p = 0;
7447
7448         while (p < len &&
7449                (p = buf.find_first_of(from_ascii("\t\n"), p)) != docstring::npos) {
7450                 switch (buf[p]) {
7451                 case '\t':
7452                         ++cols;
7453                         break;
7454                 case '\n':
7455                         if (p + 1 < len)
7456                                 ++rows;
7457                         maxCols = max(cols, maxCols);
7458                         cols = 1;
7459                         break;
7460                 }
7461                 ++p;
7462         }
7463         maxCols = max(cols, maxCols);
7464         Tabular * loctab;
7465         idx_type cell = 0;
7466         col_type ocol = 0;
7467         row_type row = 0;
7468         if (usePaste) {
7469                 paste_tabular.reset(new Tabular(buffer_, rows, maxCols));
7470                 loctab = paste_tabular.get();
7471                 dirtyTabularStack(true);
7472         } else {
7473                 loctab = &tabular;
7474                 cell = bv.cursor().idx();
7475                 ocol = tabular.cellColumn(cell);
7476                 row = tabular.cellRow(cell);
7477         }
7478
7479         size_t op = 0;
7480         idx_type cells = loctab->numberofcells;
7481         p = 0;
7482         cols = ocol;
7483         rows = loctab->nrows();
7484         col_type columns = loctab->ncols();
7485
7486         while (p < len &&
7487                (p = buf.find_first_of(from_ascii("\t\n"), p)) != docstring::npos)
7488         {
7489                 if (p >= len)
7490                         break;
7491                 switch (buf[p]) {
7492                 case '\t':
7493                         // append column if necessary
7494                         if (cols == columns) {
7495                                 loctab->appendColumn(cols - 1);
7496                                 columns = loctab->ncols();
7497                                 cells = loctab->numberofcells;
7498                                 ++cell;
7499                         }
7500                         if (cols < columns) {
7501                                 shared_ptr<InsetTableCell> inset = loctab->cellInset(cell);
7502                                 Font const font = bv.textMetrics(&inset->text()).
7503                                         displayFont(0, 0);
7504                                 inset->setText(buf.substr(op, p - op), font,
7505                                                buffer().params().track_changes);
7506                                 ++cols;
7507                                 ++cell;
7508                         }
7509                         break;
7510                 case '\n':
7511                         // we can only set this if we are not too far right
7512                         if (cols < columns) {
7513                                 shared_ptr<InsetTableCell> inset = tabular.cellInset(cell);
7514                                 Font const font = bv.textMetrics(&inset->text()).
7515                                         displayFont(0, 0);
7516                                 inset->setText(buf.substr(op, p - op), font,
7517                                                buffer().params().track_changes);
7518                         }
7519                         cols = ocol;
7520                         ++row;
7521                         // append row if necessary
7522                         if (row == rows && p < len - 1) {
7523                                 loctab->appendRow(row - 1);
7524                                 rows = loctab->nrows();
7525                                 cells = loctab->numberofcells;
7526                         }
7527                         if (row < rows)
7528                                 cell = loctab->cellIndex(row, cols);
7529                         break;
7530                 }
7531                 ++p;
7532                 op = p;
7533         }
7534         // check for the last cell if there is no trailing '\n'
7535         if (cell < cells && op < len) {
7536                 shared_ptr<InsetTableCell> inset = loctab->cellInset(cell);
7537                 Font const font = bv.textMetrics(&inset->text()).displayFont(0, 0);
7538                 inset->setText(buf.substr(op, len - op), font,
7539                         buffer().params().track_changes);
7540         }
7541         return true;
7542 }
7543
7544
7545 void InsetTabular::addPreview(DocIterator const & inset_pos,
7546         PreviewLoader & loader) const
7547 {
7548         DocIterator cell_pos = inset_pos;
7549
7550         cell_pos.push_back(CursorSlice(*const_cast<InsetTabular *>(this)));
7551         for (row_type r = 0; r < tabular.nrows(); ++r) {
7552                 for (col_type c = 0; c < tabular.ncols(); ++c) {
7553                         cell_pos.top().idx() = tabular.cellIndex(r, c);
7554                         tabular.cellInset(r, c)->addPreview(cell_pos, loader);
7555                 }
7556         }
7557 }
7558
7559
7560 bool InsetTabular::completionSupported(Cursor const & cur) const
7561 {
7562         Cursor const & bvCur = cur.bv().cursor();
7563         if (&bvCur.inset() != this)
7564                 return false;
7565         return cur.text()->completionSupported(cur);
7566 }
7567
7568
7569 bool InsetTabular::inlineCompletionSupported(Cursor const & cur) const
7570 {
7571         return completionSupported(cur);
7572 }
7573
7574
7575 bool InsetTabular::automaticInlineCompletion() const
7576 {
7577         return lyxrc.completion_inline_text;
7578 }
7579
7580
7581 bool InsetTabular::automaticPopupCompletion() const
7582 {
7583         return lyxrc.completion_popup_text;
7584 }
7585
7586
7587 bool InsetTabular::showCompletionCursor() const
7588 {
7589         return lyxrc.completion_cursor_text;
7590 }
7591
7592
7593 CompletionList const * InsetTabular::createCompletionList(Cursor const & cur) const
7594 {
7595         return completionSupported(cur) ? cur.text()->createCompletionList(cur) : nullptr;
7596 }
7597
7598
7599 docstring InsetTabular::completionPrefix(Cursor const & cur) const
7600 {
7601         if (!completionSupported(cur))
7602                 return docstring();
7603         return cur.text()->completionPrefix(cur);
7604 }
7605
7606
7607 bool InsetTabular::insertCompletion(Cursor & cur, docstring const & s, bool finished)
7608 {
7609         if (!completionSupported(cur))
7610                 return false;
7611
7612         return cur.text()->insertCompletion(cur, s, finished);
7613 }
7614
7615
7616 void InsetTabular::completionPosAndDim(Cursor const & cur, int & x, int & y,
7617                                     Dimension & dim) const
7618 {
7619         TextMetrics const & tm = cur.bv().textMetrics(cur.text());
7620         tm.completionPosAndDim(cur, x, y, dim);
7621 }
7622
7623
7624 void InsetTabular::string2params(string const & in, InsetTabular & inset)
7625 {
7626         istringstream data(in);
7627         Lexer lex;
7628         lex.setStream(data);
7629
7630         if (in.empty())
7631                 return;
7632
7633         string token;
7634         lex >> token;
7635         if (!lex || token != "tabular") {
7636                 LYXERR0("Expected arg 1 to be \"tabular\" in " << in);
7637                 return;
7638         }
7639
7640         // This is part of the inset proper that is usually swallowed
7641         // by Buffer::readInset
7642         lex >> token;
7643         if (!lex || token != "Tabular") {
7644                 LYXERR0("Expected arg 2 to be \"Tabular\" in " << in);
7645                 return;
7646         }
7647
7648         inset.read(lex);
7649 }
7650
7651
7652 string InsetTabular::params2string(InsetTabular const & inset)
7653 {
7654         ostringstream data;
7655         data << "tabular" << ' ';
7656         inset.write(data);
7657         data << "\\end_inset\n";
7658         return data.str();
7659 }
7660
7661
7662 void InsetTabular::setLayoutForHiddenCells(DocumentClass const & dc)
7663 {
7664         for (col_type c = 0; c < tabular.ncols(); ++c) {
7665                 for (row_type r = 0; r < tabular.nrows(); ++r) {
7666                         if (!tabular.isPartOfMultiColumn(r,c) &&
7667                             !tabular.isPartOfMultiRow(r,c))
7668                                 continue;
7669
7670                         ParagraphList & parlist = tabular.cellInset(r,c)->paragraphs();
7671                         ParagraphList::iterator it = parlist.begin();
7672                         ParagraphList::iterator const en = parlist.end();
7673                         for (; it != en; ++it)
7674                                         it->setLayout(dc.plainLayout());
7675                 }
7676         }
7677 }
7678
7679
7680 } // namespace lyx