src/insets/InsetTabular.cpp

   1 /**
   2  * \file InsetTabular.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Lars Gullik Bjønnes
   7  * \author Matthias Ettrich
   8  * \author José Matos
   9  * \author Jean-Marc Lasgouttes
  10  * \author Angus Leeming
  11  * \author John Levon
  12  * \author André Pönitz
  13  * \author Jürgen Vigna
  14  * \author Uwe Stöhr
  15  * \author Edwin Leuven
  16  * \author Scott Kostyshak
  17  *
  18  * Full author contact details are available in file CREDITS.
  19  */
  20
  21 #include <config.h>
  22
  23 #include "InsetTabular.h"
  24
  25 #include "buffer_funcs.h"
  26 #include "Buffer.h"
  27 #include "BufferParams.h"
  28 #include "BufferView.h"
  29 #include "CoordCache.h"
  30 #include "Counters.h"
  31 #include "Cursor.h"
  32 #include "CutAndPaste.h"
  33 #include "DispatchResult.h"
  34 #include "FuncRequest.h"
  35 #include "FuncStatus.h"
  36 #include "InsetIterator.h"
  37 #include "InsetList.h"
  38 #include "Language.h"
  39 #include "LaTeXFeatures.h"
  40 #include "Lexer.h"
  41 #include "LyX.h"
  42 #include "LyXRC.h"
  43 #include "MetricsInfo.h"
  44 #include "OutputParams.h"
  45 #include "output_xhtml.h"
  46 #include "Paragraph.h"
  47 #include "ParagraphParameters.h"
  48 #include "ParIterator.h"
  49 #include "TexRow.h"
  50 #include "texstream.h"
  51 #include "TextClass.h"
  52 #include "TextMetrics.h"
  53
  54 #include "frontends/Application.h"
  55 #include "frontends/alert.h"
  56 #include "frontends/Clipboard.h"
  57 #include "frontends/Painter.h"
  58 #include "frontends/Selection.h"
  59
  60 #include "support/convert.h"
  61 #include "support/debug.h"
  62 #include "support/docstream.h"
  63 #include "support/FileName.h"
  64 #include "support/gettext.h"
  65 #include "support/lassert.h"
  66 #include "support/lstrings.h"
  67 #include "support/unique_ptr.h"
  68
  69 #include <cstring>
  70 #include <iomanip>
  71 #include <iostream>
  72 #include <limits>
  73 #include <sstream>
  74
  75 using namespace std;
  76 using namespace lyx::support;
  77
  78
  79
  80 namespace lyx {
  81
  82 using cap::dirtyTabularStack;
  83 using cap::tabularStackDirty;
  84
  85 using graphics::PreviewLoader;
  86
  87 using frontend::Painter;
  88 using frontend::Clipboard;
  89
  90 namespace Alert = frontend::Alert;
  91
  92
  93 namespace {
  94
  95 int const ADD_TO_HEIGHT = 2; // in cell
  96 int const ADD_TO_TABULAR_WIDTH = 6; // horizontal space before and after the table
  97 int const default_line_space = 10; // ?
  98 int const WIDTH_OF_LINE = 5; // space between double lines
  99
 100
 101 ///
 102 unique_ptr<Tabular> paste_tabular;
 103
 104
 105 struct TabularFeature {
 106         Tabular::Feature action;
 107         string feature;
 108         bool need_value;
 109 };
 110
 111
 112 TabularFeature tabularFeature[] =
 113 {
 114         // the SET/UNSET actions are used by the table dialog,
 115         // the TOGGLE actions by the table toolbar buttons
 116         // FIXME: these values have been hardcoded in InsetMathGrid and other
 117         // math insets.
 118         { Tabular::APPEND_ROW, "append-row", false },
 119         { Tabular::APPEND_COLUMN, "append-column", false },
 120         { Tabular::DELETE_ROW, "delete-row", false },
 121         { Tabular::DELETE_COLUMN, "delete-column", false },
 122         { Tabular::COPY_ROW, "copy-row", false },
 123         { Tabular::COPY_COLUMN, "copy-column", false },
 124         { Tabular::MOVE_COLUMN_RIGHT, "move-column-right", false },
 125         { Tabular::MOVE_COLUMN_LEFT, "move-column-left", false },
 126         { Tabular::MOVE_ROW_DOWN, "move-row-down", false },
 127         { Tabular::MOVE_ROW_UP, "move-row-up", false },
 128         { Tabular::SET_LINE_TOP, "set-line-top", true },
 129         { Tabular::SET_LINE_BOTTOM, "set-line-bottom", true },
 130         { Tabular::SET_LTRIM_TOP, "set-ltrim-top", true },
 131         { Tabular::SET_LTRIM_BOTTOM, "set-ltrim-bottom", true },
 132         { Tabular::SET_RTRIM_TOP, "set-rtrim-top", true },
 133         { Tabular::SET_RTRIM_BOTTOM, "set-rtrim-bottom", true },
 134         { Tabular::SET_LINE_LEFT, "set-line-left", true },
 135         { Tabular::SET_LINE_RIGHT, "set-line-right", true },
 136         { Tabular::TOGGLE_LINE_TOP, "toggle-line-top", false },
 137         { Tabular::TOGGLE_LINE_BOTTOM, "toggle-line-bottom", false },
 138         { Tabular::TOGGLE_LINE_LEFT, "toggle-line-left", false },
 139         { Tabular::TOGGLE_LINE_RIGHT, "toggle-line-right", false },
 140         { Tabular::TOGGLE_LTRIM_TOP, "toggle-ltrim-top", false },
 141         { Tabular::TOGGLE_LTRIM_BOTTOM, "toggle-ltrim-bottom", false },
 142         { Tabular::TOGGLE_RTRIM_TOP, "toggle-rtrim-top", false },
 143         { Tabular::TOGGLE_RTRIM_BOTTOM, "toggle-rtrim-bottom", false },
 144         { Tabular::ALIGN_LEFT, "align-left", false },
 145         { Tabular::ALIGN_RIGHT, "align-right", false },
 146         { Tabular::ALIGN_CENTER, "align-center", false },
 147         { Tabular::ALIGN_BLOCK, "align-block", false },
 148         { Tabular::ALIGN_DECIMAL, "align-decimal", false },
 149         { Tabular::VALIGN_TOP, "valign-top", false },
 150         { Tabular::VALIGN_BOTTOM, "valign-bottom", false },
 151         { Tabular::VALIGN_MIDDLE, "valign-middle", false },
 152         { Tabular::M_ALIGN_LEFT, "m-align-left", false },
 153         { Tabular::M_ALIGN_RIGHT, "m-align-right", false },
 154         { Tabular::M_ALIGN_CENTER, "m-align-center", false },
 155         { Tabular::M_VALIGN_TOP, "m-valign-top", false },
 156         { Tabular::M_VALIGN_BOTTOM, "m-valign-bottom", false },
 157         { Tabular::M_VALIGN_MIDDLE, "m-valign-middle", false },
 158         { Tabular::MULTICOLUMN, "multicolumn", false },
 159         { Tabular::SET_MULTICOLUMN, "set-multicolumn", false },
 160         { Tabular::UNSET_MULTICOLUMN, "unset-multicolumn", false },
 161         { Tabular::MULTIROW, "multirow", false },
 162         { Tabular::SET_MULTIROW, "set-multirow", false },
 163         { Tabular::UNSET_MULTIROW, "unset-multirow", false },
 164         { Tabular::SET_MROFFSET, "set-mroffset", true },
 165         { Tabular::SET_ALL_LINES, "set-all-lines", false },
 166         { Tabular::RESET_FORMAL_DEFAULT, "reset-formal-default", false },
 167         { Tabular::UNSET_ALL_LINES, "unset-all-lines", false },
 168         { Tabular::TOGGLE_LONGTABULAR, "toggle-longtabular", false },
 169         { Tabular::SET_LONGTABULAR, "set-longtabular", false },
 170         { Tabular::UNSET_LONGTABULAR, "unset-longtabular", false },
 171         { Tabular::SET_PWIDTH, "set-pwidth", true },
 172         { Tabular::SET_MPWIDTH, "set-mpwidth", true },
 173         { Tabular::TOGGLE_VARWIDTH_COLUMN, "toggle-varwidth-column", true },
 174         { Tabular::SET_ROTATE_TABULAR, "set-rotate-tabular", true },
 175         { Tabular::UNSET_ROTATE_TABULAR, "unset-rotate-tabular", true },
 176         { Tabular::TOGGLE_ROTATE_TABULAR, "toggle-rotate-tabular", true },
 177         { Tabular::SET_ROTATE_CELL, "set-rotate-cell", true },
 178         { Tabular::UNSET_ROTATE_CELL, "unset-rotate-cell", true },
 179         { Tabular::TOGGLE_ROTATE_CELL, "toggle-rotate-cell", true },
 180         { Tabular::SET_USEBOX, "set-usebox", true },
 181         { Tabular::SET_LTHEAD, "set-lthead", true },
 182         { Tabular::UNSET_LTHEAD, "unset-lthead", true },
 183         { Tabular::SET_LTFIRSTHEAD, "set-ltfirsthead", true },
 184         { Tabular::UNSET_LTFIRSTHEAD, "unset-ltfirsthead", true },
 185         { Tabular::SET_LTFOOT, "set-ltfoot", true },
 186         { Tabular::UNSET_LTFOOT, "unset-ltfoot", true },
 187         { Tabular::SET_LTLASTFOOT, "set-ltlastfoot", true },
 188         { Tabular::UNSET_LTLASTFOOT, "unset-ltlastfoot", true },
 189         { Tabular::SET_LTNEWPAGE, "set-ltnewpage", false },
 190         { Tabular::UNSET_LTNEWPAGE, "unset-ltnewpage", false },
 191         { Tabular::TOGGLE_LTCAPTION, "toggle-ltcaption", false },
 192         { Tabular::SET_LTCAPTION, "set-ltcaption", false },
 193         { Tabular::UNSET_LTCAPTION, "unset-ltcaption", false },
 194         { Tabular::SET_SPECIAL_COLUMN, "set-special-column", true },
 195         { Tabular::SET_SPECIAL_MULTICOLUMN, "set-special-multicolumn", true },
 196         { Tabular::TOGGLE_BOOKTABS, "toggle-booktabs", false },
 197         { Tabular::SET_BOOKTABS, "set-booktabs", false },
 198         { Tabular::UNSET_BOOKTABS, "unset-booktabs", false },
 199         { Tabular::SET_TOP_SPACE, "set-top-space", true },
 200         { Tabular::SET_BOTTOM_SPACE, "set-bottom-space", true },
 201         { Tabular::SET_INTERLINE_SPACE, "set-interline-space", true },
 202         { Tabular::SET_BORDER_LINES, "set-border-lines", false },
 203         { Tabular::TABULAR_VALIGN_TOP, "tabular-valign-top", false},
 204         { Tabular::TABULAR_VALIGN_MIDDLE, "tabular-valign-middle", false},
 205         { Tabular::TABULAR_VALIGN_BOTTOM, "tabular-valign-bottom", false},
 206         { Tabular::LONGTABULAR_ALIGN_LEFT, "longtabular-align-left", false },
 207         { Tabular::LONGTABULAR_ALIGN_CENTER, "longtabular-align-center", false },
 208         { Tabular::LONGTABULAR_ALIGN_RIGHT, "longtabular-align-right", false },
 209         { Tabular::SET_DECIMAL_POINT, "set-decimal-point", true },
 210         { Tabular::SET_TABULAR_WIDTH, "set-tabular-width", true },
 211         { Tabular::SET_INNER_LINES, "set-inner-lines", false },
 212         { Tabular::LAST_ACTION, "", false }
 213 };
 214
 215
 216 string const tostr(LyXAlignment const & num)
 217 {
 218         switch (num) {
 219         case LYX_ALIGN_NONE:
 220                 return "none";
 221         case LYX_ALIGN_BLOCK:
 222                 return "block";
 223         case LYX_ALIGN_LEFT:
 224                 return "left";
 225         case LYX_ALIGN_CENTER:
 226                 return "center";
 227         case LYX_ALIGN_RIGHT:
 228                 return "right";
 229         case LYX_ALIGN_LAYOUT:
 230                 return "layout";
 231         case LYX_ALIGN_SPECIAL:
 232                 return "special";
 233         case LYX_ALIGN_DECIMAL:
 234                 return "decimal";
 235         }
 236         return string();
 237 }
 238
 239
 240 string const tostr(Tabular::HAlignment const & num)
 241 {
 242         switch (num) {
 243         case Tabular::LYX_LONGTABULAR_ALIGN_LEFT:
 244                 return "left";
 245         case Tabular::LYX_LONGTABULAR_ALIGN_CENTER:
 246                 return "center";
 247         case Tabular::LYX_LONGTABULAR_ALIGN_RIGHT:
 248                 return "right";
 249         }
 250         return string();
 251 }
 252
 253
 254 string const tostr(Tabular::VAlignment const & num)
 255 {
 256         switch (num) {
 257         case Tabular::LYX_VALIGN_TOP:
 258                 return "top";
 259         case Tabular::LYX_VALIGN_MIDDLE:
 260                 return "middle";
 261         case Tabular::LYX_VALIGN_BOTTOM:
 262                 return "bottom";
 263         }
 264         return string();
 265 }
 266
 267
 268 string const tostr(Tabular::BoxType const & num)
 269 {
 270         switch (num) {
 271         case Tabular::BOX_NONE:
 272                 return "none";
 273         case Tabular::BOX_PARBOX:
 274                 return "parbox";
 275         case Tabular::BOX_MINIPAGE:
 276                 return "minipage";
 277         case Tabular::BOX_VARWIDTH:
 278                 return "varwidth";
 279         }
 280         return string();
 281 }
 282
 283
 284 // I would have liked a fromstr template a lot better. (Lgb)
 285 bool string2type(string const & str, LyXAlignment & num)
 286 {
 287         if (str == "none")
 288                 num = LYX_ALIGN_NONE;
 289         else if (str == "block")
 290                 num = LYX_ALIGN_BLOCK;
 291         else if (str == "left")
 292                 num = LYX_ALIGN_LEFT;
 293         else if (str == "center")
 294                 num = LYX_ALIGN_CENTER;
 295         else if (str == "right")
 296                 num = LYX_ALIGN_RIGHT;
 297         else if (str == "decimal")
 298                 num = LYX_ALIGN_DECIMAL;
 299         else
 300                 return false;
 301         return true;
 302 }
 303
 304
 305 bool string2type(string const & str, Tabular::HAlignment & num)
 306 {
 307         if (str == "left")
 308                 num = Tabular::LYX_LONGTABULAR_ALIGN_LEFT;
 309         else if (str == "center" )
 310                 num = Tabular::LYX_LONGTABULAR_ALIGN_CENTER;
 311         else if (str == "right")
 312                 num = Tabular::LYX_LONGTABULAR_ALIGN_RIGHT;
 313         else
 314                 return false;
 315         return true;
 316 }
 317
 318
 319 bool string2type(string const & str, Tabular::VAlignment & num)
 320 {
 321         if (str == "top")
 322                 num = Tabular::LYX_VALIGN_TOP;
 323         else if (str == "middle" )
 324                 num = Tabular::LYX_VALIGN_MIDDLE;
 325         else if (str == "bottom")
 326                 num = Tabular::LYX_VALIGN_BOTTOM;
 327         else
 328                 return false;
 329         return true;
 330 }
 331
 332
 333 bool string2type(string const & str, Tabular::BoxType & num)
 334 {
 335         if (str == "none")
 336                 num = Tabular::BOX_NONE;
 337         else if (str == "parbox")
 338                 num = Tabular::BOX_PARBOX;
 339         else if (str == "minipage")
 340                 num = Tabular::BOX_MINIPAGE;
 341         else if (str == "varwidth")
 342                 num = Tabular::BOX_VARWIDTH;
 343         else
 344                 return false;
 345         return true;
 346 }
 347
 348
 349 bool string2type(string const & str, bool & num)
 350 {
 351         if (str == "true")
 352                 num = true;
 353         else if (str == "false")
 354                 num = false;
 355         else
 356                 return false;
 357         return true;
 358 }
 359
 360
 361 bool getTokenValue(string const & str, char const * token, string & ret)
 362 {
 363         ret.erase();
 364         size_t token_length = strlen(token);
 365         size_t pos = str.find(token);
 366
 367         if (pos == string::npos || pos + token_length + 1 >= str.length()
 368                 || str[pos + token_length] != '=')
 369                 return false;
 370         pos += token_length + 1;
 371         char ch = str[pos];
 372         if (ch != '"' && ch != '\'') { // only read till next space
 373                 ret += ch;
 374                 ch = ' ';
 375         }
 376         while (pos < str.length() - 1 && str[++pos] != ch)
 377                 ret += str[pos];
 378
 379         return true;
 380 }
 381
 382
 383 bool getTokenValue(string const & str, char const * token, docstring & ret)
 384 {
 385         string tmp;
 386         bool const success = getTokenValue(str, token, tmp);
 387         ret = from_utf8(tmp);
 388         return success;
 389 }
 390
 391
 392 bool getTokenValue(string const & str, char const * token, int & num)
 393 {
 394         string tmp;
 395         num = 0;
 396         if (!getTokenValue(str, token, tmp))
 397                 return false;
 398         num = convert<int>(tmp);
 399         return true;
 400 }
 401
 402
 403 bool getTokenValue(string const & str, char const * token, LyXAlignment & num)
 404 {
 405         string tmp;
 406         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 407 }
 408
 409
 410 bool getTokenValue(string const & str, char const * token,
 411                                    Tabular::HAlignment & num)
 412 {
 413         string tmp;
 414         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 415 }
 416
 417
 418 bool getTokenValue(string const & str, char const * token,
 419                                    Tabular::VAlignment & num)
 420 {
 421         string tmp;
 422         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 423 }
 424
 425
 426 bool getTokenValue(string const & str, char const * token,
 427                                    Tabular::BoxType & num)
 428 {
 429         string tmp;
 430         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 431 }
 432
 433
 434 bool getTokenValue(string const & str, char const * token, bool & flag)
 435 {
 436         // set the flag always to false as this should be the default for bools
 437         // not in the file-format.
 438         flag = false;
 439         string tmp;
 440         return getTokenValue(str, token, tmp) && string2type(tmp, flag);
 441 }
 442
 443
 444 bool getTokenValue(string const & str, char const * token, Length & len)
 445 {
 446         // set the length to be zero() as default as this it should be if not
 447         // in the file format.
 448         len = Length();
 449         string tmp;
 450         return getTokenValue(str, token, tmp) && isValidLength(tmp, &len);
 451 }
 452
 453
 454 bool getTokenValue(string const & str, char const * token, Change & change, BufferParams bp)
 455 {
 456         // set the change to be Change() as default as this it should be if not
 457         // in the file format.
 458         change = Change();
 459         string tmp;
 460         if (getTokenValue(str, token, tmp)) {
 461                 vector<string> const changedata = getVectorFromString(tmp, " ");
 462                 if (changedata.size() != 3) {
 463                         Alert::warning(_("Change tracking data incomplete"),
 464                                        _("Change tracking information for tabular row/column "
 465                                          "is incomplete. I will ignore this.\n"));
 466                         return false;
 467                 }
 468                 BufferParams::AuthorMap const & am = bp.author_map_;
 469                 int aid = convert<int>(changedata[1]);
 470                 if (am.find(aid) == am.end()) {
 471                         // FIXME Use ErrorList
 472                         Alert::warning(_("Change tracking author index missing"),
 473                                 bformat(_("A change tracking author information for index "
 474                                           "%1$d is missing. This can happen after a wrong "
 475                                           "merge by a version control system. In this case, "
 476                                           "either fix the merge, or have this information "
 477                                           "missing until the corresponding tracked changes "
 478                                           "are merged or this user edits the file again.\n"),
 479                                         aid));
 480                         bp.addAuthor(Author(aid));
 481                 }
 482                 istringstream is(changedata[2]);
 483                 time_t ct;
 484                 is >> ct;
 485                 if (changedata[0] == "inserted") {
 486                         change = Change(Change::INSERTED, am.find(aid)->second, ct);
 487                         return true;
 488                 } else if (changedata[0] == "deleted") {
 489                         change = Change(Change::DELETED, am.find(aid)->second, ct);
 490                         return true;
 491                 }
 492         }
 493         return false;
 494 }
 495
 496
 497 bool getTokenValue(string const & str, char const * token, Length & len, bool & flag)
 498 {
 499         len = Length();
 500         flag = false;
 501         string tmp;
 502         if (!getTokenValue(str, token, tmp))
 503                 return false;
 504         if (tmp == "default") {
 505                 flag = true;
 506                 return  true;
 507         }
 508         return isValidLength(tmp, &len);
 509 }
 510
 511
 512 void l_getline(istream & is, string & str)
 513 {
 514         str.erase();
 515         while (str.empty()) {
 516                 getline(is, str);
 517                 if (!str.empty() && str[str.length() - 1] == '\r')
 518                         str.erase(str.length() - 1);
 519         }
 520 }
 521
 522 template <class T>
 523 string const write_attribute(string const & name, T const & t)
 524 {
 525         string const s = tostr(t);
 526         return s.empty() ? s : " " + name + "=\"" + s + "\"";
 527 }
 528
 529 template <>
 530 string const write_attribute(string const & name, string const & t)
 531 {
 532         return t.empty() ? t : " " + name + "=\"" + t + "\"";
 533 }
 534
 535
 536 template <>
 537 string const write_attribute(string const & name, docstring const & t)
 538 {
 539         return t.empty() ? string() : " " + name + "=\"" + to_utf8(t) + "\"";
 540 }
 541
 542
 543 template <>
 544 string const write_attribute(string const & name, bool const & b)
 545 {
 546         // we write only true attribute values so we remove a bit of the
 547         // file format bloat for tabulars.
 548         return b ? write_attribute(name, convert<string>(b)) : string();
 549 }
 550
 551
 552 template <>
 553 string const write_attribute(string const & name, int const & i)
 554 {
 555         // we write only true attribute values so we remove a bit of the
 556         // file format bloat for tabulars.
 557         return i ? write_attribute(name, convert<string>(i)) : string();
 558 }
 559
 560
 561 template <>
 562 string const write_attribute(string const & name, Tabular::idx_type const & i)
 563 {
 564         // we write only true attribute values so we remove a bit of the
 565         // file format bloat for tabulars.
 566         return i ? write_attribute(name, convert<string>(i)) : string();
 567 }
 568
 569
 570 template <>
 571 string const write_attribute(string const & name, Length const & value)
 572 {
 573         // we write only the value if we really have one same reson as above.
 574         return value.zero() ? string() : write_attribute(name, value.asString());
 575 }
 576
 577 string const write_attribute(string const & name, Change const & change, BufferParams const bp)
 578 {
 579         odocstringstream ods;
 580         if (change.inserted())
 581                 ods << from_ascii("inserted");
 582         else if (change.deleted())
 583                 ods << from_ascii("deleted");
 584         if (change.changed()) {
 585                 ods << " " << bp.authors().get(change.author).bufferId()
 586                     << " " << change.changetime;
 587                 return write_attribute(name, ods.str());
 588         }
 589         return string();
 590 }
 591
 592 } // namespace
 593
 594
 595 string const featureAsString(Tabular::Feature action)
 596 {
 597         for (size_t i = 0; i != Tabular::LAST_ACTION; ++i) {
 598                 if (tabularFeature[i].action == action)
 599                         return tabularFeature[i].feature;
 600         }
 601         return string();
 602 }
 603
 604
 605 DocIterator separatorPos(InsetTableCell const * cell, docstring const & align_d)
 606 {
 607         DocIterator dit = doc_iterator_begin(&(cell->buffer()), cell);
 608         for (; dit; dit.forwardChar())
 609                 if (dit.inTexted() && dit.depth() == 1
 610                         && dit.paragraph().find(align_d, false, false, dit.pos()))
 611                         break;
 612
 613         return dit;
 614 }
 615
 616
 617 InsetTableCell splitCell(InsetTableCell & head, docstring const & align_d, bool & hassep)
 618 {
 619         InsetTableCell tail = InsetTableCell(head);
 620         DocIterator const dit = separatorPos(&head, align_d);
 621         hassep = (bool)dit;
 622         if (hassep) {
 623                 pit_type const psize = head.paragraphs().front().size();
 624                 head.paragraphs().front().eraseChars(dit.pos(), psize, false);
 625                 tail.paragraphs().front().eraseChars(0,
 626                         dit.pos() < psize ? dit.pos() + 1 : psize, false);
 627         }
 628
 629         return tail;
 630 }
 631
 632
 633 /////////////////////////////////////////////////////////////////////
 634 //
 635 // Tabular
 636 //
 637 /////////////////////////////////////////////////////////////////////
 638
 639
 640 Tabular::CellData::CellData(Buffer * buf)
 641         : cellno(0),
 642           width(0),
 643           multicolumn(Tabular::CELL_NORMAL),
 644           multirow(Tabular::CELL_NORMAL),
 645           alignment(LYX_ALIGN_CENTER),
 646           valignment(LYX_VALIGN_TOP),
 647           decimal_hoffset(0),
 648           decimal_width(0),
 649           voffset(0),
 650           top_line(false),
 651           bottom_line(false),
 652           left_line(false),
 653           right_line(false),
 654           top_line_rtrimmed(false),
 655           top_line_ltrimmed(false),
 656           bottom_line_rtrimmed(false),
 657           bottom_line_ltrimmed(false),
 658           usebox(BOX_NONE),
 659           rotate(0),
 660           inset(new InsetTableCell(buf))
 661 {
 662         inset->setBuffer(*buf);
 663 }
 664
 665
 666 Tabular::CellData::CellData(CellData const & cs)
 667         : cellno(cs.cellno),
 668           width(cs.width),
 669           multicolumn(cs.multicolumn),
 670           multirow(cs.multirow),
 671           mroffset(cs.mroffset),
 672           alignment(cs.alignment),
 673           valignment(cs.valignment),
 674           decimal_hoffset(cs.decimal_hoffset),
 675           decimal_width(cs.decimal_width),
 676           voffset(cs.voffset),
 677           top_line(cs.top_line),
 678           bottom_line(cs.bottom_line),
 679           left_line(cs.left_line),
 680           right_line(cs.right_line),
 681           top_line_rtrimmed(cs.top_line_rtrimmed),
 682           top_line_ltrimmed(cs.top_line_ltrimmed),
 683           bottom_line_rtrimmed(cs.bottom_line_rtrimmed),
 684           bottom_line_ltrimmed(cs.bottom_line_ltrimmed),
 685           usebox(cs.usebox),
 686           rotate(cs.rotate),
 687           align_special(cs.align_special),
 688           p_width(cs.p_width),
 689           inset(static_cast<InsetTableCell *>(cs.inset->clone()))
 690 {
 691 }
 692
 693 Tabular::CellData & Tabular::CellData::operator=(CellData const & cs)
 694 {
 695         if (&cs == this)
 696                 return *this;
 697         cellno = cs.cellno;
 698         width = cs.width;
 699         multicolumn = cs.multicolumn;
 700         multirow = cs.multirow;
 701         mroffset = cs.mroffset;
 702         alignment = cs.alignment;
 703         valignment = cs.valignment;
 704         decimal_hoffset = cs.decimal_hoffset;
 705         decimal_width = cs.decimal_width;
 706         voffset = cs.voffset;
 707         top_line = cs.top_line;
 708         bottom_line = cs.bottom_line;
 709         left_line = cs.left_line;
 710         right_line = cs.right_line;
 711         top_line_rtrimmed = cs.top_line_rtrimmed;
 712         top_line_ltrimmed = cs.top_line_ltrimmed;
 713         bottom_line_rtrimmed = cs.bottom_line_rtrimmed;
 714         bottom_line_ltrimmed = cs.bottom_line_ltrimmed;
 715         usebox = cs.usebox;
 716         rotate = cs.rotate;
 717         align_special = cs.align_special;
 718         p_width = cs.p_width;
 719         inset.reset(static_cast<InsetTableCell *>(cs.inset->clone()));
 720         return *this;
 721 }
 722
 723 Tabular::RowData::RowData()
 724         : ascent(0),
 725           descent(0),
 726           top_space_default(false),
 727           bottom_space_default(false),
 728           interline_space_default(false),
 729           endhead(false),
 730           endfirsthead(false),
 731           endfoot(false),
 732           endlastfoot(false),
 733           newpage(false),
 734           caption(false),
 735           change(Change())
 736 {}
 737
 738
 739 Tabular::ColumnData::ColumnData()
 740         : alignment(LYX_ALIGN_CENTER),
 741           valignment(LYX_VALIGN_TOP),
 742           width(0),
 743           varwidth(false),
 744           change(Change())
 745 {
 746 }
 747
 748
 749 Tabular::ltType::ltType()
 750         : set(false), topDL(false),
 751           bottomDL(false),
 752           empty(false)
 753 {}
 754
 755
 756 Tabular::Tabular(Buffer * buffer, row_type rows_arg, col_type columns_arg)
 757 {
 758         init(buffer, rows_arg, columns_arg);
 759 }
 760
 761
 762 void Tabular::setBuffer(Buffer & buffer)
 763 {
 764         buffer_ = &buffer;
 765         for (row_type i = 0; i < nrows(); ++i)
 766                 for (col_type j = 0; j < ncols(); ++j)
 767                         cell_info[i][j].inset->setBuffer(*buffer_);
 768 }
 769
 770
 771 // activates all lines and sets all widths to 0
 772 void Tabular::init(Buffer * buf, row_type rows_arg,
 773                       col_type columns_arg)
 774 {
 775         buffer_ = buf;
 776         row_info = row_vector(rows_arg);
 777         column_info = column_vector(columns_arg);
 778         cell_info = cell_vvector(rows_arg, cell_vector(columns_arg, CellData(buf)));
 779         row_info.reserve(10);
 780         column_info.reserve(10);
 781         cell_info.reserve(100);
 782         updateIndexes();
 783         is_long_tabular = false;
 784         tabular_valignment = LYX_VALIGN_MIDDLE;
 785         tabular_width = Length();
 786         longtabular_alignment = LYX_LONGTABULAR_ALIGN_CENTER;
 787         rotate = 0;
 788         use_booktabs = false;
 789         // set silly default lines
 790         for (row_type r = 0; r < nrows(); ++r)
 791                 for (col_type c = 0; c < ncols(); ++c) {
 792                         cell_info[r][c].inset->setBuffer(*buffer_);
 793                         cell_info[r][c].top_line = true;
 794                         cell_info[r][c].left_line = true;
 795                         cell_info[r][c].bottom_line = r == 0 || r == nrows() - 1;
 796                         cell_info[r][c].right_line = c == ncols() - 1;
 797                 }
 798 }
 799
 800
 801 void Tabular::deleteRow(row_type const row, bool const force)
 802 {
 803         // Not allowed to delete last row
 804         if (nrows() == 1)
 805                 return;
 806
 807         bool const ct = force ? false : buffer().params().track_changes;
 808
 809         for (col_type c = 0; c < ncols(); ++c) {
 810                 // Care about multirow cells
 811                 if (row + 1 < nrows() &&
 812                     cell_info[row][c].multirow == CELL_BEGIN_OF_MULTIROW &&
 813                     cell_info[row + 1][c].multirow == CELL_PART_OF_MULTIROW) {
 814                                 cell_info[row + 1][c].multirow = CELL_BEGIN_OF_MULTIROW;
 815                 }
 816         }
 817         if (ct)
 818                 row_info[row].change.setDeleted();
 819         else {
 820                 row_info.erase(row_info.begin() + row);
 821                 cell_info.erase(cell_info.begin() + row);
 822         }
 823         updateIndexes();
 824 }
 825
 826
 827 void Tabular::copyRow(row_type const row)
 828 {
 829         insertRow(row, true);
 830 }
 831
 832
 833 void Tabular::appendRow(row_type row)
 834 {
 835         insertRow(row, false);
 836 }
 837
 838
 839 void Tabular::insertRow(row_type const row, bool copy)
 840 {
 841         row_info.insert(row_info.begin() + row + 1, RowData(row_info[row]));
 842         cell_info.insert(cell_info.begin() + row + 1,
 843                 cell_vector(0, CellData(buffer_)));
 844
 845         for (col_type c = 0; c < ncols(); ++c) {
 846                 cell_info[row + 1].insert(cell_info[row + 1].begin() + c,
 847                         copy ? CellData(cell_info[row][c]) : CellData(buffer_));
 848                 if (cell_info[row][c].multirow == CELL_BEGIN_OF_MULTIROW)
 849                         cell_info[row + 1][c].multirow = CELL_PART_OF_MULTIROW;
 850         }
 851
 852         updateIndexes();
 853         for (col_type c = 0; c < ncols(); ++c) {
 854                 if (isPartOfMultiRow(row, c))
 855                         continue;
 856                 // inherit line settings
 857                 idx_type const i = cellIndex(row + 1, c);
 858                 idx_type const j = cellIndex(row, c);
 859                 setLeftLine(i, leftLine(j));
 860                 setRightLine(i, rightLine(j));
 861                 setTopLine(i, topLine(j));
 862                 if (topLine(j) && bottomLine(j)) {
 863                         setBottomLine(i, true);
 864                         setBottomLine(j, false);
 865                 }
 866         }
 867         if (buffer().params().track_changes) {
 868                 row_info[row + 1].change.setInserted();
 869                 updateIndexes();
 870         }
 871 }
 872
 873
 874 void Tabular::moveColumn(col_type col, ColDirection direction)
 875 {
 876         if (direction == Tabular::LEFT)
 877                 col = col - 1;
 878
 879         std::swap(column_info[col], column_info[col + 1]);
 880
 881         for (row_type r = 0; r < nrows(); ++r) {
 882                 std::swap(cell_info[r][col], cell_info[r][col + 1]);
 883                 std::swap(cell_info[r][col].left_line, cell_info[r][col + 1].left_line);
 884                 std::swap(cell_info[r][col].right_line, cell_info[r][col + 1].right_line);
 885
 886                 idx_type const i = cellIndex(r, col);
 887                 idx_type const j = cellIndex(r, col + 1);
 888                 if (buffer().params().track_changes) {
 889                         cellInfo(i).inset->setChange(Change(Change::INSERTED));
 890                         cellInfo(j).inset->setChange(Change(Change::INSERTED));
 891                 }
 892         }
 893         updateIndexes();
 894 }
 895
 896
 897 void Tabular::moveRow(row_type row, RowDirection direction)
 898 {
 899         if (direction == Tabular::UP)
 900                 row = row - 1;
 901
 902         std::swap(row_info[row], row_info[row + 1]);
 903
 904         for (col_type c = 0; c < ncols(); ++c) {
 905                 std::swap(cell_info[row][c], cell_info[row + 1][c]);
 906                 std::swap(cell_info[row][c].top_line, cell_info[row + 1][c].top_line);
 907                 std::swap(cell_info[row][c].bottom_line, cell_info[row + 1][c].bottom_line);
 908
 909                 idx_type const i = cellIndex(row, c);
 910                 idx_type const j = cellIndex(row + 1, c);
 911                 if (buffer().params().track_changes) {
 912                         cellInfo(i).inset->setChange(Change(Change::INSERTED));
 913                         cellInfo(j).inset->setChange(Change(Change::INSERTED));
 914                 }
 915         }
 916         updateIndexes();
 917 }
 918
 919
 920 void Tabular::deleteColumn(col_type const col, bool const force)
 921 {
 922         // Not allowed to delete last column
 923         if (ncols() == 1)
 924                 return;
 925
 926         bool const ct = force ? false : buffer().params().track_changes;
 927
 928         for (row_type r = 0; r < nrows(); ++r) {
 929                 // Care about multicolumn cells
 930                 if (col + 1 < ncols() &&
 931                     cell_info[r][col].multicolumn == CELL_BEGIN_OF_MULTICOLUMN &&
 932                     cell_info[r][col + 1].multicolumn == CELL_PART_OF_MULTICOLUMN) {
 933                                 cell_info[r][col + 1].multicolumn = CELL_BEGIN_OF_MULTICOLUMN;
 934                 }
 935                 if (!ct)
 936                         cell_info[r].erase(cell_info[r].begin() + col);
 937         }
 938         if (ct)
 939                 column_info[col].change.setDeleted();
 940         else
 941                 column_info.erase(column_info.begin() + col);
 942         updateIndexes();
 943 }
 944
 945
 946 void Tabular::copyColumn(col_type const col)
 947 {
 948         insertColumn(col, true);
 949 }
 950
 951
 952 void Tabular::appendColumn(col_type col)
 953 {
 954         insertColumn(col, false);
 955 }
 956
 957
 958 void Tabular::insertColumn(col_type const col, bool copy)
 959 {
 960         bool const ct = buffer().params().track_changes;
 961         column_info.insert(column_info.begin() + col + 1, ColumnData(column_info[col]));
 962
 963         for (row_type r = 0; r < nrows(); ++r) {
 964                 cell_info[r].insert(cell_info[r].begin() + col + 1,
 965                         copy ? CellData(cell_info[r][col]) : CellData(buffer_));
 966                 if (cell_info[r][col].multicolumn == CELL_BEGIN_OF_MULTICOLUMN)
 967                         cell_info[r][col + 1].multicolumn = CELL_PART_OF_MULTICOLUMN;
 968         }
 969         updateIndexes();
 970         for (row_type r = 0; r < nrows(); ++r) {
 971                 // inherit line settings
 972                 idx_type const i = cellIndex(r, col + 1);
 973                 idx_type const j = cellIndex(r, col);
 974                 setBottomLine(i, bottomLine(j));
 975                 setTopLine(i, topLine(j));
 976                 setLeftLine(i, leftLine(j));
 977                 setRightLine(i, rightLine(j));
 978                 if (rightLine(i) && rightLine(j)) {
 979                         setRightLine(j, false);
 980                 }
 981         }
 982         if (ct) {
 983                 column_info[col + 1].change.setInserted();
 984                 updateIndexes();
 985         }
 986 }
 987
 988
 989 void Tabular::updateIndexes()
 990 {
 991         setBuffer(buffer());
 992         numberofcells = 0;
 993         // reset cell number
 994         for (row_type row = 0; row < nrows(); ++row)
 995                 for (col_type column = 0; column < ncols(); ++column) {
 996                         if (!isPartOfMultiColumn(row, column)
 997                                 && !isPartOfMultiRow(row, column))
 998                                 ++numberofcells;
 999                         if (isPartOfMultiRow(row, column))
1000                                 cell_info[row][column].cellno = cell_info[row - 1][column].cellno;
1001                         else
1002                                 cell_info[row][column].cellno = numberofcells - 1;
1003                 }
1004
1005         rowofcell.resize(numberofcells);
1006         columnofcell.resize(numberofcells);
1007         idx_type i = 0;
1008         // reset column and row of cells and update their width, alignment and ct status
1009         for (row_type row = 0; row < nrows(); ++row) {
1010                 for (col_type column = 0; column < ncols(); ++column) {
1011                         if (isPartOfMultiColumn(row, column)) {
1012                                 cell_info[row][column].inset->toggleMultiCol(true);
1013                                 continue;
1014                         }
1015                         cell_info[row][column].inset->toggleMultiCol(false);
1016                         // columnofcell needs to be called before setting width and aligment
1017                         // multirow cells inherit the width from the column width
1018                         if (!isPartOfMultiRow(row, column)) {
1019                                 columnofcell[i] = column;
1020                                 rowofcell[i] = row;
1021                         }
1022                         setFixedWidth(row, column);
1023                         if (isPartOfMultiRow(row, column)) {
1024                                 cell_info[row][column].inset->toggleMultiRow(true);
1025                                 continue;
1026                         }
1027                         cell_info[row][column].inset->toggleMultiRow(false);
1028                         cell_info[row][column].inset->setContentAlignment(
1029                                 getAlignment(cellIndex(row, column)));
1030                         if (buffer().params().track_changes) {
1031                                 if (row_info[row].change.changed())
1032                                         cell_info[row][column].inset->setChange(row_info[row].change);
1033                                 if (column_info[column].change.changed())
1034                                         cell_info[row][column].inset->setChange(column_info[column].change);
1035                         }
1036                         ++i;
1037                 }
1038         }
1039 }
1040
1041
1042 Tabular::idx_type Tabular::numberOfCellsInRow(row_type const row) const
1043 {
1044         idx_type result = 0;
1045         for (col_type c = 0; c < ncols(); ++c)
1046                 if (cell_info[row][c].multicolumn != Tabular::CELL_PART_OF_MULTICOLUMN)
1047                         ++result;
1048         return result;
1049 }
1050
1051
1052 bool Tabular::topLine(idx_type const cell) const
1053 {
1054         return cellInfo(cell).top_line;
1055 }
1056
1057
1058 bool Tabular::bottomLine(idx_type const cell) const
1059 {
1060         return cellInfo(cell).bottom_line;
1061 }
1062
1063
1064 bool Tabular::leftLine(idx_type cell, bool const ignore_bt) const
1065 {
1066         if (use_booktabs && !ignore_bt)
1067                 return false;
1068         return cellInfo(cell).left_line;
1069 }
1070
1071
1072 bool Tabular::rightLine(idx_type cell, bool const ignore_bt) const
1073 {
1074         if (use_booktabs && !ignore_bt)
1075                 return false;
1076         return cellInfo(cell).right_line;
1077 }
1078
1079
1080 pair<bool, bool> Tabular::topLineTrim(idx_type const cell) const
1081 {
1082         if (!use_booktabs)
1083                 return make_pair(false, false);
1084         return make_pair(cellInfo(cell).top_line_ltrimmed,
1085                          cellInfo(cell).top_line_rtrimmed);
1086 }
1087
1088
1089 pair<bool, bool> Tabular::bottomLineTrim(idx_type const cell) const
1090 {
1091         if (!use_booktabs)
1092                 return make_pair(false, false);
1093         return make_pair(cellInfo(cell).bottom_line_ltrimmed,
1094                          cellInfo(cell).bottom_line_rtrimmed);
1095 }
1096
1097
1098 int Tabular::interRowSpace(row_type row) const
1099 {
1100         if (!row || row >= nrows())
1101                 return 0;
1102
1103         int const interline_space = row_info[row - 1].interline_space_default ?
1104                 default_line_space :
1105                 row_info[row - 1].interline_space.inPixels(width());
1106         if (rowTopLine(row) && rowBottomLine(row - 1))
1107                 return interline_space + WIDTH_OF_LINE;
1108         return interline_space;
1109 }
1110
1111
1112 int Tabular::interColumnSpace(idx_type cell) const
1113 {
1114         col_type const nextcol = cellColumn(cell) + columnSpan(cell);
1115         if (rightLine(cell) && nextcol < ncols()
1116                 && leftLine(cellIndex(cellRow(cell), nextcol)))
1117                 return WIDTH_OF_LINE;
1118         return 0;
1119 }
1120
1121
1122 int Tabular::cellWidth(idx_type cell) const
1123 {
1124         int w = 0;
1125         col_type const span = columnSpan(cell);
1126         col_type const col = cellColumn(cell);
1127         for(col_type c = col; c < col + span ; ++c)
1128                 w += column_info[c].width;
1129         return w;
1130 }
1131
1132
1133 int Tabular::cellHeight(idx_type cell) const
1134 {
1135         row_type const span = rowSpan(cell);
1136         row_type const row = cellRow(cell);
1137         int h = 0;
1138         for(row_type r = row; r < row + span ; ++r) {
1139                 h += rowAscent(r) + rowDescent(r);
1140                 if (r != row + span - 1)
1141                         h += interRowSpace(r + 1);
1142         }
1143
1144         return h;
1145 }
1146
1147
1148 bool Tabular::updateColumnWidths(MetricsInfo & mi)
1149 {
1150         vector<int> max_dwidth(ncols(), 0);
1151         // collect max. fixed width of column
1152         map<col_type, int> max_pwidth;
1153         // collect max. variable width of column
1154         map<col_type, int> max_width;
1155
1156         for(col_type c = 0; c < ncols(); ++c)
1157                 for(row_type r = 0; r < nrows(); ++r) {
1158                         idx_type const i = cellIndex(r, c);
1159                         if (getAlignment(i) == LYX_ALIGN_DECIMAL)
1160                                 max_dwidth[c] = max(max_dwidth[c], cell_info[r][c].decimal_width);
1161                         if (!getPWidth(i).zero())
1162                                 max_pwidth[c] = max(max_pwidth[c], cell_info[r][c].width);
1163                         else if (!column_info[c].varwidth)
1164                                 max_width[c] = max(max_width[c], cell_info[r][c].width);
1165                 }
1166
1167         // If we have a fixed tabular width, we take this into account
1168         Length tab_width = tabular_width;
1169         bool const tabularx = hasVarwidthColumn();
1170         if (tabularx && tab_width.zero())
1171                 // If no tabular width is specified with X columns,
1172                 // we use 100% colwidth
1173                 tab_width = Length(100, Length::PCW);
1174         int restwidth = -1;
1175         if (!tab_width.zero()) {
1176                 restwidth = mi.base.inPixels(tab_width);
1177                 // Substract the fixed widths from the table width
1178                 for (auto const w : max_pwidth)
1179                         restwidth -= w.second;
1180         }
1181
1182         // If we have a fixed width, distribute the available table width
1183         // (minus the fixed widths) to the variable-width columns
1184         int vcolwidth = -1;
1185         int restcols = ncols() - max_pwidth.size();
1186         if ((restwidth > 0) && (restcols != 0))
1187                 vcolwidth = restwidth / restcols;
1188
1189         // Now consider that some variable width columns exceed the vcolwidth
1190         if (vcolwidth > 0) {
1191                 bool changed = false;
1192                 for (auto const w : max_width) {
1193                         if (tabularx || w.second > vcolwidth) {
1194                                 --restcols;
1195                                 restwidth -= w.second;
1196                                 changed = true;
1197                         }
1198                 }
1199                 if (changed && restwidth > 0)
1200                         vcolwidth = restwidth / restcols;
1201         }
1202
1203         bool update = false;
1204         // for each col get max of single col cells
1205         for(col_type c = 0; c < ncols(); ++c) {
1206                 int new_width = 0;
1207                 for(row_type r = 0; r < nrows(); ++r) {
1208                         idx_type const i = cellIndex(r, c);
1209                         if (columnSpan(i) == 1) {
1210                                 if (getAlignment(i) == LYX_ALIGN_DECIMAL
1211                                         && cell_info[r][c].decimal_width != 0)
1212                                         new_width = max(new_width, cellInfo(i).width
1213                                                 + max_dwidth[c] - cellInfo(i).decimal_width);
1214                                 else if (getPWidth(i).zero() && vcolwidth > 0) {
1215                                         if (tabularx && !column_info[c].varwidth)
1216                                                 new_width = max(new_width, cellInfo(i).width);
1217                                         else if (tabularx)
1218                                                 new_width = vcolwidth;
1219                                         else
1220                                                 new_width = max(vcolwidth, max(new_width, cellInfo(i).width));
1221                                 } else
1222                                         new_width = max(new_width, cellInfo(i).width);
1223                         }
1224                 }
1225
1226                 if (column_info[c].width != new_width) {
1227                         column_info[c].width = new_width;
1228                         // Do not trigger update when no space is left for variable
1229                         // columns, as this will loop
1230                         update = tab_width.zero() || restwidth > 0;
1231                 }
1232         }
1233         // update col widths to fit merged cells
1234         for(col_type c = 0; c < ncols(); ++c)
1235                 for(row_type r = 0; r < nrows(); ++r) {
1236                         idx_type const i = cellIndex(r, c);
1237                         int const span = columnSpan(i);
1238                         if (span == 1 || c > cellColumn(i))
1239                                 continue;
1240
1241                         int old_width = 0;
1242                         for(col_type j = c; j < c + span ; ++j)
1243                                 old_width += column_info[j].width;
1244
1245                         if (cellInfo(i).width > old_width) {
1246                                 column_info[c + span - 1].width += cellInfo(i).width - old_width;
1247                                 // Do not trigger update when no space is left for variable
1248                                 // columns, as this will loop
1249                                 update = tab_width.zero() || restwidth > 0;
1250                         }
1251                 }
1252
1253         return update;
1254 }
1255
1256
1257 int Tabular::width() const
1258 {
1259         int width = 0;
1260         for (col_type c = 0; c < ncols(); ++c)
1261                 width += column_info[c].width;
1262         return width;
1263 }
1264
1265
1266 void Tabular::setAlignment(idx_type cell, LyXAlignment align,
1267                               bool has_width)
1268 {
1269         col_type const col = cellColumn(cell);
1270         // set alignment for the whole row if we are not in a multicolumn cell,
1271         // exclude possible multicolumn cells in the row
1272         if (!isMultiColumn(cell)) {
1273                 for (row_type r = 0; r < nrows(); ++r) {
1274                         // only if the column has no width the multirow inherits the
1275                         // alignment of the column, otherwise it is left aligned
1276                         if (!(isMultiRow(cellIndex(r, col)) && has_width)
1277                                 && !isMultiColumn(cellIndex(r, col))) {
1278                                 cell_info[r][col].alignment = align;
1279                                 cell_info[r][col].inset->setContentAlignment(align);
1280                         }
1281                         if ((isMultiRow(cellIndex(r, col)) && has_width)
1282                                 && !isMultiColumn(cellIndex(r, col))) {
1283                                 cell_info[r][col].alignment = LYX_ALIGN_LEFT;
1284                                 cell_info[r][col].inset->setContentAlignment(LYX_ALIGN_LEFT);
1285                         }
1286                 }
1287                 column_info[col].alignment = align;
1288                 docstring & dpoint = column_info[col].decimal_point;
1289                 if (align == LYX_ALIGN_DECIMAL && dpoint.empty()) {
1290                         Language const * tlang = buffer().paragraphs().front().getParLanguage(buffer().params());
1291                         dpoint = tlang->decimalSeparator();
1292                 }
1293         } else {
1294                 cellInfo(cell).alignment = align;
1295                 cellInset(cell)->setContentAlignment(align);
1296         }
1297 }
1298
1299
1300 void Tabular::setVAlignment(idx_type cell, VAlignment align,
1301                                bool onlycolumn)
1302 {
1303         if (!isMultiColumn(cell) || onlycolumn)
1304                 column_info[cellColumn(cell)].valignment = align;
1305         if (!onlycolumn)
1306                 cellInfo(cell).valignment = align;
1307 }
1308
1309
1310 namespace {
1311
1312 /**
1313  * Allow line and paragraph breaks for fixed width multicol/multirow cells
1314  * or disallow them, merge cell paragraphs and reset layout to standard
1315  * for variable width multicol cells.
1316  */
1317 void toggleFixedWidth(Cursor & cur, InsetTableCell * inset,
1318                       bool const fixedWidth, bool const multicol,
1319                       bool const multirow)
1320 {
1321         inset->toggleFixedWidth(fixedWidth);
1322         if (!multirow && (fixedWidth || !multicol))
1323                 return;
1324
1325         // merge all paragraphs to one
1326         BufferParams const & bp = cur.bv().buffer().params();
1327         while (inset->paragraphs().size() > 1)
1328                 mergeParagraph(bp, inset->paragraphs(), 0);
1329
1330         // This is relevant for multirows
1331         if (fixedWidth)
1332                 return;
1333
1334         // remove newlines
1335         ParagraphList::iterator pit = inset->paragraphs().begin();
1336         for (; pit != inset->paragraphs().end(); ++pit) {
1337                 for (pos_type j = 0; j != pit->size(); ++j) {
1338                         if (pit->isNewline(j))
1339                                 pit->eraseChar(j, bp.track_changes);
1340                 }
1341         }
1342
1343         // reset layout
1344         cur.push(*inset);
1345         // undo information has already been recorded
1346         inset->getText(0)->setLayout(0, cur.lastpit() + 1,
1347                         bp.documentClass().plainLayoutName());
1348         cur.pop();
1349 }
1350
1351 } // namespace
1352
1353
1354 void Tabular::setColumnPWidth(Cursor & cur, idx_type cell,
1355                 Length const & width)
1356 {
1357         col_type const c = cellColumn(cell);
1358
1359         column_info[c].p_width = width;
1360         // reset the vertical alignment to top if the fixed width
1361         // is removed or zero because only fixed width columns can
1362         // have a vertical alignment
1363         if (column_info[c].p_width.zero())
1364                 column_info[c].valignment = LYX_VALIGN_TOP;
1365         for (row_type r = 0; r < nrows(); ++r) {
1366                 idx_type const cidx = cellIndex(r, c);
1367                 // because of multicolumns
1368                 toggleFixedWidth(cur, cellInset(cidx).get(),
1369                                  !getPWidth(cidx).zero(), isMultiColumn(cidx),
1370                                  isMultiRow(cidx));
1371                 if (isMultiRow(cidx))
1372                         setAlignment(cidx, LYX_ALIGN_LEFT, false);
1373         }
1374         // cur can become invalid after paragraphs were merged
1375         cur.fixIfBroken();
1376 }
1377
1378
1379 bool Tabular::setFixedWidth(row_type r, col_type c)
1380 {
1381         bool const multicol = cell_info[r][c].multicolumn != CELL_NORMAL;
1382         bool const fixed_width = (!column_info[c].p_width.zero() && !multicol)
1383               || (multicol && !cell_info[r][c].p_width.zero());
1384         cell_info[r][c].inset->toggleFixedWidth(fixed_width);
1385         return fixed_width;
1386 }
1387
1388
1389 bool Tabular::setMColumnPWidth(Cursor & cur, idx_type cell,
1390                 Length const & width)
1391 {
1392         if (!isMultiColumn(cell))
1393                 return false;
1394
1395         cellInfo(cell).p_width = width;
1396         toggleFixedWidth(cur, cellInset(cell).get(), !width.zero(),
1397                          isMultiColumn(cell), isMultiRow(cell));
1398         // cur can become invalid after paragraphs were merged
1399         cur.fixIfBroken();
1400         return true;
1401 }
1402
1403
1404 bool Tabular::toggleVarwidth(idx_type cell, bool const varwidth)
1405 {
1406         column_info[cellColumn(cell)].varwidth = varwidth;
1407         return true;
1408 }
1409
1410
1411 bool Tabular::setMROffset(Cursor &, idx_type cell, Length const & mroffset)
1412 {
1413         cellInfo(cell).mroffset = mroffset;
1414         return true;
1415 }
1416
1417
1418 void Tabular::setAlignSpecial(idx_type cell, docstring const & special,
1419                                  Tabular::Feature what)
1420 {
1421         if (what == SET_SPECIAL_MULTICOLUMN)
1422                 cellInfo(cell).align_special = special;
1423         else
1424                 column_info[cellColumn(cell)].align_special = special;
1425 }
1426
1427
1428 void Tabular::setTopLine(idx_type i, bool line)
1429 {
1430         cellInfo(i).top_line = line;
1431 }
1432
1433
1434 void Tabular::setBottomLine(idx_type i, bool line)
1435 {
1436         cellInfo(i).bottom_line = line;
1437 }
1438
1439
1440 void Tabular::setTopLineLTrim(idx_type i, bool val)
1441 {
1442         cellInfo(i).top_line_ltrimmed = val;
1443 }
1444
1445
1446 void Tabular::setTopLineRTrim(idx_type i, bool val)
1447 {
1448         cellInfo(i).top_line_rtrimmed = val;
1449 }
1450
1451
1452 void Tabular::setBottomLineLTrim(idx_type i, bool val)
1453 {
1454         cellInfo(i).bottom_line_ltrimmed = val;
1455 }
1456
1457
1458 void Tabular::setBottomLineRTrim(idx_type i, bool val)
1459 {
1460         cellInfo(i).bottom_line_rtrimmed = val;
1461 }
1462
1463
1464 void Tabular::setTopLineTrim(idx_type i, pair<bool, bool> trim)
1465 {
1466         setTopLineLTrim(i, trim.first);
1467         setTopLineRTrim(i, trim.second);
1468 }
1469
1470 void Tabular::setBottomLineTrim(idx_type i, pair<bool, bool> trim)
1471 {
1472         setBottomLineLTrim(i, trim.first);
1473         setBottomLineRTrim(i, trim.second);
1474 }
1475
1476 void Tabular::setLeftLine(idx_type cell, bool line)
1477 {
1478         cellInfo(cell).left_line = line;
1479 }
1480
1481
1482 void Tabular::setRightLine(idx_type cell, bool line)
1483 {
1484         cellInfo(cell).right_line = line;
1485 }
1486
1487 bool Tabular::rowTopLine(row_type r) const
1488 {
1489         bool all_rows_set = true;
1490         for (col_type c = 0; all_rows_set && c < ncols(); ++c)
1491                 all_rows_set = cellInfo(cellIndex(r, c)).top_line;
1492         return all_rows_set;
1493 }
1494
1495
1496 bool Tabular::rowBottomLine(row_type r) const
1497 {
1498         bool all_rows_set = true;
1499         for (col_type c = 0; all_rows_set && c < ncols(); ++c)
1500                 all_rows_set = cellInfo(cellIndex(r, c)).bottom_line;
1501         return all_rows_set;
1502 }
1503
1504
1505 bool Tabular::columnLeftLine(col_type c) const
1506 {
1507         if (use_booktabs)
1508                 return false;
1509
1510         int nrows_left = 0;
1511         int total = 0;
1512         for (row_type r = 0; r < nrows(); ++r) {
1513                 idx_type const i = cellIndex(r, c);
1514                 if (c == cellColumn(i)) {
1515                         ++total;
1516                         bool right = c > 0 && cellInfo(cellIndex(r, c - 1)).right_line;
1517                         if (cellInfo(i).left_line || right)
1518                                 ++nrows_left;
1519                 }
1520         }
1521         return 2 * nrows_left >= total;
1522 }
1523
1524
1525 bool Tabular::columnRightLine(col_type c) const
1526 {
1527         if (use_booktabs)
1528                 return false;
1529
1530         int nrows_right = 0;
1531         int total = 0;
1532         for (row_type r = 0; r < nrows(); ++r) {
1533                 idx_type i = cellIndex(r, c);
1534                 if (c == cellColumn(i) + columnSpan(i) - 1) {
1535                         ++total;
1536                         bool left = (c + 1 < ncols()
1537                                 && cellInfo(cellIndex(r, c + 1)).left_line)
1538                                 || c + 1 == ncols();
1539                         if (cellInfo(i).right_line && left)
1540                                 ++nrows_right;
1541                 }
1542         }
1543         return 2 * nrows_right >= total;
1544 }
1545
1546
1547 LyXAlignment Tabular::getAlignment(idx_type cell, bool onlycolumn) const
1548 {
1549         if (!onlycolumn && (isMultiColumn(cell) || isMultiRow(cell)))
1550                 return cellInfo(cell).alignment;
1551
1552         return column_info[cellColumn(cell)].alignment;
1553 }
1554
1555
1556 Tabular::VAlignment
1557 Tabular::getVAlignment(idx_type cell, bool onlycolumn) const
1558 {
1559         if (!onlycolumn && (isMultiColumn(cell) || isMultiRow(cell)))
1560                 return cellInfo(cell).valignment;
1561         return column_info[cellColumn(cell)].valignment;
1562 }
1563
1564
1565 int Tabular::offsetVAlignment() const
1566 {
1567         // for top-alignment the first horizontal table line must be exactly at
1568         // the position of the base line of the surrounding text line
1569         // for bottom alignment, the same is for the last table line
1570         int offset_valign = 0;
1571         switch (tabular_valignment) {
1572         case Tabular::LYX_VALIGN_BOTTOM:
1573                 offset_valign = rowAscent(0) - height();
1574                 break;
1575         case Tabular::LYX_VALIGN_MIDDLE:
1576                 offset_valign = (- height()) / 2 + rowAscent(0);
1577                 break;
1578         case Tabular::LYX_VALIGN_TOP:
1579                 offset_valign = rowAscent(0);
1580                 break;
1581         }
1582         return offset_valign;
1583 }
1584
1585
1586 Length const Tabular::getPWidth(idx_type cell) const
1587 {
1588         if (isMultiColumn(cell))
1589                 return cellInfo(cell).p_width;
1590         return column_info[cellColumn(cell)].p_width;
1591 }
1592
1593
1594 Length const Tabular::getMROffset(idx_type cell) const
1595 {
1596         return cellInfo(cell).mroffset;
1597 }
1598
1599
1600 int Tabular::textHOffset(idx_type cell) const
1601 {
1602         // the LaTeX Way :-(
1603         int x = WIDTH_OF_LINE;
1604
1605         int const w = cellWidth(cell) - cellInfo(cell).width;
1606
1607         switch (getAlignment(cell)) {
1608         case LYX_ALIGN_CENTER:
1609                 x += w / 2;
1610                 break;
1611         case LYX_ALIGN_RIGHT:
1612                 x += w;
1613                 break;
1614         case LYX_ALIGN_DECIMAL: {
1615                 // we center when no decimal point
1616                 if (cellInfo(cell).decimal_width == 0) {
1617                         x += w / 2;
1618                         break;
1619                 }
1620                 col_type const c = cellColumn(cell);
1621                 int max_dhoffset = 0;
1622                 for(row_type r = 0; r < row_info.size() ; ++r) {
1623                         idx_type const i = cellIndex(r, c);
1624                         if (getAlignment(i) == LYX_ALIGN_DECIMAL
1625                                 && cellInfo(i).decimal_width != 0)
1626                                 max_dhoffset = max(max_dhoffset, cellInfo(i).decimal_hoffset);
1627                 }
1628                 x += max_dhoffset - cellInfo(cell).decimal_hoffset;
1629         }
1630         default:
1631                 // LYX_ALIGN_LEFT: nothing :-)
1632                 break;
1633         }
1634
1635         return x;
1636 }
1637
1638
1639 int Tabular::textVOffset(idx_type cell) const
1640 {
1641         int voffset = cellInfo(cell).voffset;
1642         if (isMultiRow(cell)) {
1643                 row_type const row = cellRow(cell);
1644                 voffset += (cellHeight(cell) - rowAscent(row) - rowDescent(row))/2;
1645         }
1646         return voffset;
1647 }
1648
1649
1650 Tabular::idx_type Tabular::getFirstCellInRow(row_type row, bool const ct) const
1651 {
1652         col_type c = 0;
1653         idx_type const numcells = numberOfCellsInRow(row);
1654         // we check against numcells to make sure we do not crash if all the
1655         // cells are multirow (bug #7535), but in that case our return value
1656         // is really invalid, i.e., it is NOT the first cell in the row. but
1657         // i do not know what to do here. (rgh)
1658         while (c < numcells - 1
1659                && (cell_info[row][c].multirow == CELL_PART_OF_MULTIROW
1660                    || (ct && column_info[c].change.deleted())))
1661                 ++c;
1662         return cell_info[row][c].cellno;
1663 }
1664
1665
1666 Tabular::idx_type Tabular::getLastCellInRow(row_type row, bool const ct) const
1667 {
1668         col_type c = ncols() - 1;
1669         // of course we check against 0 so we don't crash. but we have the same
1670         // problem as in the previous routine: if all the cells are part of a
1671         // multirow or part of a multi column, then our return value is invalid.
1672         while (c > 0
1673                && ((cell_info[row][c].multirow == CELL_PART_OF_MULTIROW
1674                    || cell_info[row][c].multicolumn == CELL_PART_OF_MULTICOLUMN)
1675                   || (ct && column_info[c].change.deleted())))
1676                 --c;
1677         return cell_info[row][c].cellno;
1678 }
1679
1680
1681 Tabular::row_type Tabular::getFirstRow(bool const ct) const
1682 {
1683         row_type r = 0;
1684         if (!ct)
1685                 return r;
1686         // exclude deleted rows if ct == true
1687         while (r < nrows() && row_info[r].change.deleted())
1688                 ++r;
1689         return r;
1690 }
1691
1692
1693 Tabular::row_type Tabular::getLastRow(bool const ct) const
1694 {
1695         row_type r = nrows() - 1;
1696         if (!ct)
1697                 return r;
1698         // exclude deleted rows if ct == true
1699         while (r > 0 && row_info[r].change.deleted())
1700                 --r;
1701         return r;
1702 }
1703
1704
1705 Tabular::row_type Tabular::cellRow(idx_type cell) const
1706 {
1707         if (cell >= numberofcells)
1708                 return nrows() - 1;
1709         if (cell == npos)
1710                 return 0;
1711         return rowofcell[cell];
1712 }
1713
1714
1715 Tabular::col_type Tabular::cellColumn(idx_type cell) const
1716 {
1717         if (cell >= numberofcells)
1718                 return ncols() - 1;
1719         if (cell == npos)
1720                 return 0;
1721         return columnofcell[cell];
1722 }
1723
1724
1725 void Tabular::write(ostream & os) const
1726 {
1727         // header line
1728         os << "<lyxtabular"
1729            << write_attribute("version", 3)
1730            << write_attribute("rows", nrows())
1731            << write_attribute("columns", ncols())
1732            << ">\n";
1733         // global longtable options
1734         os << "<features"
1735            << write_attribute("rotate", rotate)
1736            << write_attribute("booktabs", use_booktabs)
1737            << write_attribute("islongtable", is_long_tabular)
1738            << write_attribute("firstHeadTopDL", endfirsthead.topDL)
1739            << write_attribute("firstHeadBottomDL", endfirsthead.bottomDL)
1740            << write_attribute("firstHeadEmpty", endfirsthead.empty)
1741            << write_attribute("headTopDL", endhead.topDL)
1742            << write_attribute("headBottomDL", endhead.bottomDL)
1743            << write_attribute("footTopDL", endfoot.topDL)
1744            << write_attribute("footBottomDL", endfoot.bottomDL)
1745            << write_attribute("lastFootTopDL", endlastfoot.topDL)
1746            << write_attribute("lastFootBottomDL", endlastfoot.bottomDL)
1747            << write_attribute("lastFootEmpty", endlastfoot.empty);
1748         // longtables cannot be aligned vertically
1749         if (!is_long_tabular)
1750                 os << write_attribute("tabularvalignment", tabular_valignment);
1751         os << write_attribute("tabularwidth", tabular_width);
1752         if (is_long_tabular)
1753                 os << write_attribute("longtabularalignment", longtabular_alignment);
1754         os << ">\n";
1755         for (col_type c = 0; c < ncols(); ++c) {
1756                 os << "<column"
1757                    << write_attribute("alignment", column_info[c].alignment);
1758                 if (column_info[c].alignment == LYX_ALIGN_DECIMAL)
1759                         os << write_attribute("decimal_point", column_info[c].decimal_point);
1760                 os << write_attribute("change", column_info[c].change, buffer().params())
1761                    << write_attribute("valignment", column_info[c].valignment)
1762                    << write_attribute("width", column_info[c].p_width.asString())
1763                    << write_attribute("varwidth", column_info[c].varwidth)
1764                    << write_attribute("special", column_info[c].align_special)
1765                    << ">\n";
1766         }
1767         for (row_type r = 0; r < nrows(); ++r) {
1768                 static const string def("default");
1769                 os << "<row";
1770                 if (row_info[r].top_space_default)
1771                         os << write_attribute("topspace", def);
1772                 else
1773                         os << write_attribute("topspace", row_info[r].top_space);
1774                 if (row_info[r].bottom_space_default)
1775                         os << write_attribute("bottomspace", def);
1776                 else
1777                         os << write_attribute("bottomspace", row_info[r].bottom_space);
1778                 if (row_info[r].interline_space_default)
1779                         os << write_attribute("interlinespace", def);
1780                 else
1781                         os << write_attribute("interlinespace", row_info[r].interline_space);
1782                 os << write_attribute("change", row_info[r].change, buffer().params())
1783                    << write_attribute("endhead", row_info[r].endhead)
1784                    << write_attribute("endfirsthead", row_info[r].endfirsthead)
1785                    << write_attribute("endfoot", row_info[r].endfoot)
1786                    << write_attribute("endlastfoot", row_info[r].endlastfoot)
1787                    << write_attribute("newpage", row_info[r].newpage)
1788                    << write_attribute("caption", row_info[r].caption)
1789                    << ">\n";
1790                 for (col_type c = 0; c < ncols(); ++c) {
1791                         os << "<cell"
1792                            << write_attribute("multicolumn", cell_info[r][c].multicolumn)
1793                            << write_attribute("multirow", cell_info[r][c].multirow)
1794                            << write_attribute("mroffset", cell_info[r][c].mroffset)
1795                            << write_attribute("alignment", cell_info[r][c].alignment)
1796                            << write_attribute("valignment", cell_info[r][c].valignment)
1797                            << write_attribute("topline", cell_info[r][c].top_line)
1798                            << write_attribute("toplineltrim", cell_info[r][c].top_line_ltrimmed)
1799                            << write_attribute("toplinertrim", cell_info[r][c].top_line_rtrimmed)
1800                            << write_attribute("bottomline", cell_info[r][c].bottom_line)
1801                            << write_attribute("bottomlineltrim", cell_info[r][c].bottom_line_ltrimmed)
1802                            << write_attribute("bottomlinertrim", cell_info[r][c].bottom_line_rtrimmed)
1803                            << write_attribute("leftline", cell_info[r][c].left_line)
1804                            << write_attribute("rightline", cell_info[r][c].right_line)
1805                            << write_attribute("rotate", cell_info[r][c].rotate)
1806                            << write_attribute("usebox", cell_info[r][c].usebox)
1807                            << write_attribute("width", cell_info[r][c].p_width)
1808                            << write_attribute("special", cell_info[r][c].align_special)
1809                            << ">\n";
1810                         os << "\\begin_inset ";
1811                         cell_info[r][c].inset->write(os);
1812                         os << "\n\\end_inset\n"
1813                            << "</cell>\n";
1814                         // FIXME This can be removed again once the mystery
1815                         // crash has been resolved.
1816                         os << flush;
1817                 }
1818                 os << "</row>\n";
1819         }
1820         os << "</lyxtabular>\n";
1821 }
1822
1823
1824 void Tabular::read(Lexer & lex)
1825 {
1826         string line;
1827         istream & is = lex.getStream();
1828
1829         l_getline(is, line);
1830         if (!prefixIs(line, "<lyxtabular ") && !prefixIs(line, "<Tabular ")) {
1831                 LASSERT(false, return);
1832         }
1833
1834         int version;
1835         if (!getTokenValue(line, "version", version))
1836                 return;
1837         LATTEST(version >= 2);
1838
1839         int rows_arg;
1840         if (!getTokenValue(line, "rows", rows_arg))
1841                 return;
1842         int columns_arg;
1843         if (!getTokenValue(line, "columns", columns_arg))
1844                 return;
1845         init(buffer_, rows_arg, columns_arg);
1846         l_getline(is, line);
1847         if (!prefixIs(line, "<features")) {
1848                 lyxerr << "Wrong tabular format (expected <features ...> got"
1849                        << line << ')' << endl;
1850                 return;
1851         }
1852         getTokenValue(line, "rotate", rotate);
1853         getTokenValue(line, "booktabs", use_booktabs);
1854         getTokenValue(line, "islongtable", is_long_tabular);
1855         getTokenValue(line, "tabularvalignment", tabular_valignment);
1856         getTokenValue(line, "tabularwidth", tabular_width);
1857         getTokenValue(line, "longtabularalignment", longtabular_alignment);
1858         getTokenValue(line, "firstHeadTopDL", endfirsthead.topDL);
1859         getTokenValue(line, "firstHeadBottomDL", endfirsthead.bottomDL);
1860         getTokenValue(line, "firstHeadEmpty", endfirsthead.empty);
1861         getTokenValue(line, "headTopDL", endhead.topDL);
1862         getTokenValue(line, "headBottomDL", endhead.bottomDL);
1863         getTokenValue(line, "footTopDL", endfoot.topDL);
1864         getTokenValue(line, "footBottomDL", endfoot.bottomDL);
1865         getTokenValue(line, "lastFootTopDL", endlastfoot.topDL);
1866         getTokenValue(line, "lastFootBottomDL", endlastfoot.bottomDL);
1867         getTokenValue(line, "lastFootEmpty", endlastfoot.empty);
1868
1869         for (col_type c = 0; c < ncols(); ++c) {
1870                 l_getline(is,line);
1871                 if (!prefixIs(line,"<column")) {
1872                         lyxerr << "Wrong tabular format (expected <column ...> got"
1873                                << line << ')' << endl;
1874                         return;
1875                 }
1876                 getTokenValue(line, "alignment", column_info[c].alignment);
1877                 getTokenValue(line, "decimal_point", column_info[c].decimal_point);
1878                 getTokenValue(line, "valignment", column_info[c].valignment);
1879                 getTokenValue(line, "width", column_info[c].p_width);
1880                 getTokenValue(line, "special", column_info[c].align_special);
1881                 getTokenValue(line, "varwidth", column_info[c].varwidth);
1882                 getTokenValue(line, "change", column_info[c].change, buffer().params());
1883         }
1884
1885         for (row_type i = 0; i < nrows(); ++i) {
1886                 l_getline(is, line);
1887                 if (!prefixIs(line, "<row")) {
1888                         lyxerr << "Wrong tabular format (expected <row ...> got"
1889                                << line << ')' << endl;
1890                         return;
1891                 }
1892                 getTokenValue(line, "topspace", row_info[i].top_space,
1893                               row_info[i].top_space_default);
1894                 getTokenValue(line, "bottomspace", row_info[i].bottom_space,
1895                               row_info[i].bottom_space_default);
1896                 getTokenValue(line, "interlinespace", row_info[i].interline_space,
1897                               row_info[i].interline_space_default);
1898                 getTokenValue(line, "endfirsthead", row_info[i].endfirsthead);
1899                 getTokenValue(line, "endhead", row_info[i].endhead);
1900                 getTokenValue(line, "endfoot", row_info[i].endfoot);
1901                 getTokenValue(line, "endlastfoot", row_info[i].endlastfoot);
1902                 getTokenValue(line, "newpage", row_info[i].newpage);
1903                 getTokenValue(line, "caption", row_info[i].caption);
1904                 getTokenValue(line, "change", row_info[i].change, buffer().params());
1905                 for (col_type j = 0; j < ncols(); ++j) {
1906                         l_getline(is, line);
1907                         if (!prefixIs(line, "<cell")) {
1908                                 lyxerr << "Wrong tabular format (expected <cell ...> got"
1909                                        << line << ')' << endl;
1910                                 return;
1911                         }
1912                         getTokenValue(line, "multicolumn", cell_info[i][j].multicolumn);
1913                         getTokenValue(line, "multirow", cell_info[i][j].multirow);
1914                         getTokenValue(line, "mroffset", cell_info[i][j].mroffset);
1915                         getTokenValue(line, "alignment", cell_info[i][j].alignment);
1916                         getTokenValue(line, "valignment", cell_info[i][j].valignment);
1917                         getTokenValue(line, "topline", cell_info[i][j].top_line);
1918                         getTokenValue(line, "toplineltrim", cell_info[i][j].top_line_ltrimmed);
1919                         getTokenValue(line, "toplinertrim", cell_info[i][j].top_line_rtrimmed);
1920                         getTokenValue(line, "bottomline", cell_info[i][j].bottom_line);
1921                         getTokenValue(line, "bottomlineltrim", cell_info[i][j].bottom_line_ltrimmed);
1922                         getTokenValue(line, "bottomlinertrim", cell_info[i][j].bottom_line_rtrimmed);
1923                         getTokenValue(line, "leftline", cell_info[i][j].left_line);
1924                         getTokenValue(line, "rightline", cell_info[i][j].right_line);
1925                         getTokenValue(line, "rotate", cell_info[i][j].rotate);
1926                         getTokenValue(line, "usebox", cell_info[i][j].usebox);
1927                         getTokenValue(line, "width", cell_info[i][j].p_width);
1928                         setFixedWidth(i,j);
1929                         getTokenValue(line, "special", cell_info[i][j].align_special);
1930                         l_getline(is, line);
1931                         if (prefixIs(line, "\\begin_inset")) {
1932                                 cell_info[i][j].inset->setBuffer(*buffer_);
1933                                 cell_info[i][j].inset->read(lex);
1934                                 l_getline(is, line);
1935                         }
1936                         if (!prefixIs(line, "</cell>")) {
1937                                 lyxerr << "Wrong tabular format (expected </cell> got"
1938                                        << line << ')' << endl;
1939                                 return;
1940                         }
1941                 }
1942                 l_getline(is, line);
1943                 if (!prefixIs(line, "</row>")) {
1944                         lyxerr << "Wrong tabular format (expected </row> got"
1945                                << line << ')' << endl;
1946                         return;
1947                 }
1948         }
1949         while (!prefixIs(line, "</lyxtabular>")) {
1950                 l_getline(is, line);
1951         }
1952         updateIndexes();
1953 }
1954
1955
1956 bool Tabular::isMultiColumn(idx_type cell) const
1957 {
1958         return (cellInfo(cell).multicolumn == CELL_BEGIN_OF_MULTICOLUMN
1959                 || cellInfo(cell).multicolumn == CELL_PART_OF_MULTICOLUMN);
1960 }
1961
1962
1963 bool Tabular::hasMultiColumn(col_type c) const
1964 {
1965         for (row_type r = 0; r < nrows(); ++r) {
1966                 if (isMultiColumn(cellIndex(r, c)))
1967                         return true;
1968         }
1969         return false;
1970 }
1971
1972
1973 bool Tabular::hasVarwidthColumn() const
1974 {
1975         for (col_type c = 0; c < ncols(); ++c) {
1976                 if (column_info[c].varwidth)
1977                         return true;
1978         }
1979         return false;
1980 }
1981
1982
1983 bool Tabular::isVTypeColumn(col_type c) const
1984 {
1985         for (row_type r = 0; r < nrows(); ++r) {
1986                 idx_type idx = cellIndex(r, c);
1987                 if (getRotateCell(idx) == 0 && useBox(idx) == BOX_VARWIDTH)
1988                         return true;
1989         }
1990         return false;
1991 }
1992
1993
1994 Tabular::CellData const & Tabular::cellInfo(idx_type cell) const
1995 {
1996         return cell_info[cellRow(cell)][cellColumn(cell)];
1997 }
1998
1999
2000 Tabular::CellData & Tabular::cellInfo(idx_type cell)
2001 {
2002         return cell_info[cellRow(cell)][cellColumn(cell)];
2003 }
2004
2005
2006 Tabular::idx_type Tabular::setMultiColumn(Cursor & cur, idx_type cell, idx_type number,
2007                                           bool const right_border)
2008 {
2009         idx_type const col = cellColumn(cell);
2010         idx_type const row = cellRow(cell);
2011         for (idx_type i = 0; i < number; ++i)
2012                 unsetMultiRow(cellIndex(row, col + i));
2013
2014         // unsetting of multirow may have invalidated cell index
2015         cell = cellIndex(row, col);
2016         CellData & cs = cellInfo(cell);
2017         cs.multicolumn = CELL_BEGIN_OF_MULTICOLUMN;
2018         if (column_info[col].alignment != LYX_ALIGN_DECIMAL)
2019                 cs.alignment = column_info[col].alignment;
2020         setRightLine(cell, right_border);
2021         // non-fixed width multicolumns cannot have multiple paragraphs
2022         if (getPWidth(cell).zero()) {
2023                 toggleFixedWidth(cur, cellInset(cell).get(),
2024                                  !getPWidth(cell).zero(), isMultiColumn(cell),
2025                                  isMultiRow(cell));
2026                 // cur can become invalid after paragraphs were merged
2027                 cur.fixIfBroken();
2028         }
2029
2030         idx_type lastcell = cellIndex(row, col + number - 1);
2031         for (idx_type i = 1; i < lastcell - cell + 1; ++i) {
2032                 CellData & cs1 = cellInfo(cell + i);
2033                 cs1.multicolumn = CELL_PART_OF_MULTICOLUMN;
2034                 cs.inset->appendParagraphs(cs1.inset->paragraphs());
2035                 cs1.inset->clear();
2036         }
2037         updateIndexes();
2038         return cell;
2039 }
2040
2041
2042 bool Tabular::isMultiRow(idx_type cell) const
2043 {
2044         return (cellInfo(cell).multirow == CELL_BEGIN_OF_MULTIROW
2045                 || cellInfo(cell).multirow == CELL_PART_OF_MULTIROW);
2046 }
2047
2048 bool Tabular::hasMultiRow(row_type r) const
2049 {
2050         for (col_type c = 0; c < ncols(); ++c) {
2051                 if (isMultiRow(cellIndex(r, c)))
2052                         return true;
2053         }
2054         return false;
2055 }
2056
2057 Tabular::idx_type Tabular::setMultiRow(Cursor & cur, idx_type cell, idx_type number,
2058                                        bool const bottom_border,
2059                                        LyXAlignment const halign)
2060 {
2061         idx_type const col = cellColumn(cell);
2062         idx_type const row = cellRow(cell);
2063         for (idx_type i = 0; i < number; ++i)
2064                 unsetMultiColumn(cellIndex(row + i, col));
2065
2066         // unsetting of multirow may have invalidated cell index
2067         cell = cellIndex(row, col);
2068         CellData & cs = cellInfo(cell);
2069         cs.multirow = CELL_BEGIN_OF_MULTIROW;
2070         cs.valignment = LYX_VALIGN_MIDDLE;
2071         // the horizontal alignment of multirow cells can only
2072         // be changed for the whole table row,
2073         // support changing this only for the multirow cell can be done via
2074         // \multirowsetup
2075         if (getPWidth(cell).zero())
2076                 cs.alignment = halign;
2077         else
2078                 cs.alignment = LYX_ALIGN_LEFT;
2079
2080         // Multirows cannot have multiple paragraphs
2081         if (getPWidth(cell).zero()) {
2082                 toggleFixedWidth(cur, cellInset(cell).get(),
2083                                  !getPWidth(cell).zero(),
2084                                  isMultiColumn(cell), isMultiRow(cell));
2085                 // cur can become invalid after paragraphs were merged
2086                 cur.fixIfBroken();
2087         }
2088
2089         // set the bottom line of the last selected cell
2090         setBottomLine(cell, bottom_border);
2091
2092         for (idx_type i = 1; i < number; ++i) {
2093                 CellData & cs1 = cell_info[row + i][col];
2094                 cs1.multirow = CELL_PART_OF_MULTIROW;
2095                 cs.inset->appendParagraphs(cs1.inset->paragraphs());
2096                 cs1.inset->clear();
2097         }
2098         updateIndexes();
2099         return cell;
2100 }
2101
2102
2103 Tabular::idx_type Tabular::columnSpan(idx_type cell) const
2104 {
2105         row_type const row = cellRow(cell);
2106         col_type const col = cellColumn(cell);
2107         int span = 1;
2108         while (col + span < ncols() && isPartOfMultiColumn(row, col + span))
2109                 ++span;
2110
2111         return span;
2112 }
2113
2114
2115 Tabular::idx_type Tabular::rowSpan(idx_type cell) const
2116 {
2117         col_type const column = cellColumn(cell);
2118         col_type row = cellRow(cell) + 1;
2119         while (row < nrows() && isPartOfMultiRow(row, column))
2120                 ++row;
2121
2122         return row - cellRow(cell);
2123 }
2124
2125
2126 void Tabular::unsetMultiColumn(idx_type cell)
2127 {
2128         if (!isMultiColumn(cell))
2129                 return;
2130
2131         row_type const row = cellRow(cell);
2132         col_type const col = cellColumn(cell);
2133         row_type const span = columnSpan(cell);
2134         for (col_type c = 0; c < span; ++c) {
2135                 // in the table dialog the lines are set in every case
2136                 // when unsetting a multicolumn this leads to an additional right
2137                 // line for every cell that was part of the former multicolumn cell,
2138                 // except if the cell is in the last column
2139                 // therefore remove this line
2140                 if (cell_info[row][col + c].multicolumn == CELL_BEGIN_OF_MULTICOLUMN
2141                         && (col + c) < (col + span - 1))
2142                         cell_info[row][col + c].right_line = false;
2143                 cell_info[row][col + c].multicolumn = CELL_NORMAL;
2144         }
2145         updateIndexes();
2146 }
2147
2148
2149 void Tabular::unsetMultiRow(idx_type cell)
2150 {
2151         if (!isMultiRow(cell))
2152                 return;
2153
2154         cellInfo(cell).valignment = LYX_VALIGN_TOP;
2155         cellInfo(cell).alignment = LYX_ALIGN_CENTER;
2156         row_type const row = cellRow(cell);
2157         col_type const col = cellColumn(cell);
2158         row_type const span = rowSpan(cell);
2159         for (row_type r = 0; r < span; ++r)
2160                 cell_info[row + r][col].multirow = CELL_NORMAL;
2161         updateIndexes();
2162 }
2163
2164
2165 void Tabular::setRotateCell(idx_type cell, int value)
2166 {
2167         cellInfo(cell).rotate = value;
2168 }
2169
2170
2171 int Tabular::getRotateCell(idx_type cell) const
2172 {
2173         return cellInfo(cell).rotate;
2174 }
2175
2176
2177 bool Tabular::needRotating() const
2178 {
2179         if (rotate && !is_long_tabular)
2180                 return true;
2181         for (row_type r = 0; r < nrows(); ++r)
2182                 for (col_type c = 0; c < ncols(); ++c)
2183                         if (cell_info[r][c].rotate != 0)
2184                                 return true;
2185         return false;
2186 }
2187
2188
2189 bool Tabular::isLastCell(idx_type cell) const
2190 {
2191         if (cell + 1 < numberofcells)
2192                 return false;
2193         return true;
2194 }
2195
2196
2197 Tabular::idx_type Tabular::cellAbove(idx_type cell) const
2198 {
2199         if (cellRow(cell) == 0)
2200                 return cell;
2201
2202         col_type const col = cellColumn(cell);
2203         row_type r = cellRow(cell) - 1;
2204         while (r > 0 && cell_info[r][col].multirow == CELL_PART_OF_MULTIROW)
2205                 --r;
2206
2207         return cell_info[r][col].cellno;
2208 }
2209
2210
2211 Tabular::idx_type Tabular::cellBelow(idx_type cell) const
2212 {
2213         row_type const nextrow = cellRow(cell) + rowSpan(cell);
2214         if (nextrow < nrows())
2215                 return cell_info[nextrow][cellColumn(cell)].cellno;
2216         return cell;
2217 }
2218
2219
2220 Tabular::idx_type Tabular::cellIndex(row_type row, col_type column) const
2221 {
2222         LASSERT(column != npos && column < ncols(), column = 0);
2223         LASSERT(row != npos && row < nrows(), row = 0);
2224         return cell_info[row][column].cellno;
2225 }
2226
2227
2228 void Tabular::setUsebox(idx_type cell, BoxType type)
2229 {
2230         cellInfo(cell).usebox = type;
2231 }
2232
2233
2234 Tabular::BoxType Tabular::getUsebox(idx_type cell) const
2235 {
2236         if (getRotateCell(cell) == 0
2237             && ((!column_info[cellColumn(cell)].p_width.zero() && !isMultiColumn(cell)) ||
2238                 (isMultiColumn(cell) && !cellInfo(cell).p_width.zero())))
2239                 return BOX_NONE;
2240         if (cellInfo(cell).usebox > 1)
2241                 return cellInfo(cell).usebox;
2242         return useBox(cell);
2243 }
2244
2245
2246 ///
2247 //  This are functions used for the longtable support
2248 ///
2249 void Tabular::setLTHead(row_type row, bool flag, ltType const & hd,
2250                            bool first)
2251 {
2252         if (first) {
2253                 endfirsthead = hd;
2254                 if (hd.set)
2255                         row_info[row].endfirsthead = flag;
2256         } else {
2257                 endhead = hd;
2258                 if (hd.set)
2259                         row_info[row].endhead = flag;
2260         }
2261 }
2262
2263
2264 bool Tabular::getRowOfLTHead(row_type row, ltType & hd) const
2265 {
2266         hd = endhead;
2267         hd.set = haveLTHead();
2268         return row_info[row].endhead;
2269 }
2270
2271
2272 bool Tabular::getRowOfLTFirstHead(row_type row, ltType & hd) const
2273 {
2274         hd = endfirsthead;
2275         hd.set = haveLTFirstHead();
2276         return row_info[row].endfirsthead;
2277 }
2278
2279
2280 void Tabular::setLTFoot(row_type row, bool flag, ltType const & fd,
2281                            bool last)
2282 {
2283         if (last) {
2284                 endlastfoot = fd;
2285                 if (fd.set)
2286                         row_info[row].endlastfoot = flag;
2287         } else {
2288                 endfoot = fd;
2289                 if (fd.set)
2290                         row_info[row].endfoot = flag;
2291         }
2292 }
2293
2294
2295 bool Tabular::getRowOfLTFoot(row_type row, ltType & fd) const
2296 {
2297         fd = endfoot;
2298         fd.set = haveLTFoot();
2299         return row_info[row].endfoot;
2300 }
2301
2302
2303 bool Tabular::getRowOfLTLastFoot(row_type row, ltType & fd) const
2304 {
2305         fd = endlastfoot;
2306         fd.set = haveLTLastFoot();
2307         return row_info[row].endlastfoot;
2308 }
2309
2310
2311 void Tabular::setLTNewPage(row_type row, bool what)
2312 {
2313         row_info[row].newpage = what;
2314 }
2315
2316
2317 bool Tabular::getLTNewPage(row_type row) const
2318 {
2319         return row_info[row].newpage;
2320 }
2321
2322
2323 bool Tabular::haveLTHead(bool withcaptions) const
2324 {
2325         if (!is_long_tabular)
2326                 return false;
2327         for (row_type i = 0; i < nrows(); ++i)
2328                 if (row_info[i].endhead &&
2329                     (withcaptions || !row_info[i].caption))
2330                         return true;
2331         return false;
2332 }
2333
2334
2335 bool Tabular::haveLTFirstHead(bool withcaptions) const
2336 {
2337         if (!is_long_tabular || endfirsthead.empty)
2338                 return false;
2339         for (row_type r = 0; r < nrows(); ++r)
2340                 if (row_info[r].endfirsthead &&
2341                     (withcaptions || !row_info[r].caption))
2342                         return true;
2343         return false;
2344 }
2345
2346
2347 bool Tabular::haveLTFoot(bool withcaptions) const
2348 {
2349         if (!is_long_tabular)
2350                 return false;
2351         for (row_type r = 0; r < nrows(); ++r)
2352                 if (row_info[r].endfoot &&
2353                     (withcaptions || !row_info[r].caption))
2354                         return true;
2355         return false;
2356 }
2357
2358
2359 bool Tabular::haveLTLastFoot(bool withcaptions) const
2360 {
2361         if (!is_long_tabular || endlastfoot.empty)
2362                 return false;
2363         for (row_type r = 0; r < nrows(); ++r)
2364                 if (row_info[r].endlastfoot &&
2365                     (withcaptions || !row_info[r].caption))
2366                         return true;
2367         return false;
2368 }
2369
2370
2371 Tabular::idx_type Tabular::setLTCaption(Cursor & cur, row_type row, bool what)
2372 {
2373         idx_type i = getFirstCellInRow(row);
2374         if (what) {
2375                 setMultiColumn(cur, i, numberOfCellsInRow(row), false);
2376                 setTopLine(i, false);
2377                 setBottomLine(i, false);
2378                 setLeftLine(i, false);
2379                 setRightLine(i, false);
2380                 if (!row_info[row].endfirsthead && !row_info[row].endhead &&
2381                     !row_info[row].endfoot && !row_info[row].endlastfoot) {
2382                         setLTHead(row, true, endfirsthead, true);
2383                         row_info[row].endfirsthead = true;
2384                 }
2385         } else {
2386                 unsetMultiColumn(i);
2387                 // When unsetting a caption row, also all existing
2388                 // captions in this row must be dissolved.
2389         }
2390         row_info[row].caption = what;
2391         return i;
2392 }
2393
2394
2395 bool Tabular::ltCaption(row_type row) const
2396 {
2397         return row_info[row].caption;
2398 }
2399
2400
2401 bool Tabular::haveLTCaption(CaptionType captiontype) const
2402 {
2403         if (!is_long_tabular)
2404                 return false;
2405         for (row_type r = 0; r < nrows(); ++r) {
2406                 if (row_info[r].caption) {
2407                         switch (captiontype) {
2408                         case CAPTION_FIRSTHEAD:
2409                                 if (row_info[r].endfirsthead)
2410                                         return true;
2411                                 break;
2412                         case CAPTION_HEAD:
2413                                 if (row_info[r].endhead)
2414                                         return true;
2415                                 break;
2416                         case CAPTION_FOOT:
2417                                 if (row_info[r].endfoot)
2418                                         return true;
2419                                 break;
2420                         case CAPTION_LASTFOOT:
2421                                 if (row_info[r].endlastfoot)
2422                                         return true;
2423                                 break;
2424                         case CAPTION_ANY:
2425                                 return true;
2426                         }
2427                 }
2428         }
2429         return false;
2430 }
2431
2432
2433 // end longtable support functions
2434
2435 void Tabular::setRowAscent(row_type row, int height)
2436 {
2437         if (row >= nrows() || row_info[row].ascent == height)
2438                 return;
2439         row_info[row].ascent = height;
2440 }
2441
2442
2443 void Tabular::setRowDescent(row_type row, int height)
2444 {
2445         if (row >= nrows() || row_info[row].descent == height)
2446                 return;
2447         row_info[row].descent = height;
2448 }
2449
2450
2451 int Tabular::rowAscent(row_type row) const
2452 {
2453         LASSERT(row < nrows(), row = 0);
2454         return row_info[row].ascent;
2455 }
2456
2457
2458 int Tabular::rowDescent(row_type row) const
2459 {
2460         LASSERT(row < nrows(), row = 0);
2461         return row_info[row].descent;
2462 }
2463
2464
2465 int Tabular::height() const
2466 {
2467         int height = 0;
2468         for (row_type row = 0; row < nrows(); ++row)
2469                 height += rowAscent(row) + rowDescent(row) +
2470                         interRowSpace(row);
2471         return height;
2472 }
2473
2474
2475 bool Tabular::isPartOfMultiColumn(row_type row, col_type column) const
2476 {
2477         LASSERT(row < nrows(), return false);
2478         LASSERT(column < ncols(), return false);
2479         return cell_info[row][column].multicolumn == CELL_PART_OF_MULTICOLUMN;
2480 }
2481
2482
2483 bool Tabular::isPartOfMultiRow(row_type row, col_type column) const
2484 {
2485         LASSERT(row < nrows(), return false);
2486         LASSERT(column < ncols(), return false);
2487         return cell_info[row][column].multirow == CELL_PART_OF_MULTIROW;
2488 }
2489
2490
2491 void Tabular::TeXTopHLine(otexstream & os, row_type row, list<col_type> columns,
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         idx_type cell = cellIndex(row, 0);
3028
3029         //output the top line
3030         TeXTopHLine(os, row, columns, logical_columns);
3031
3032         if (row_info[row].top_space_default) {
3033                 if (use_booktabs)
3034                         os << "\\addlinespace\n";
3035                 else
3036                         os << "\\noalign{\\vskip\\doublerulesep}\n";
3037         } else if(!row_info[row].top_space.zero()) {
3038                 if (use_booktabs)
3039                         os << "\\addlinespace["
3040                            << from_ascii(row_info[row].top_space.asLatexString())
3041                            << "]\n";
3042                 else {
3043                         os << "\\noalign{\\vskip"
3044                            << from_ascii(row_info[row].top_space.asLatexString())
3045                            << "}\n";
3046                 }
3047         }
3048         bool ismulticol = false;
3049         bool ismultirow = false;
3050
3051         // The bidi package (loaded by polyglossia with XeTeX) reverses RTL table columns
3052         // Luabibdi (used by LuaTeX) behaves like classic
3053         bool const bidi_rtl =
3054                 runparams.local_font->isRightToLeft()
3055                 && runparams.useBidiPackage();
3056         bool const ct = !buffer().params().output_changes;
3057         idx_type lastcell =
3058                 bidi_rtl ? getFirstCellInRow(row, ct) : getLastCellInRow(row, ct);
3059
3060         for (auto const & c : columns) {
3061                 if (isPartOfMultiColumn(row, c))
3062                         continue;
3063
3064                 cell = cellIndex(row, c);
3065
3066                 if (isPartOfMultiRow(row, c)
3067                     && column_info[c].alignment != LYX_ALIGN_DECIMAL) {
3068                         if (cell != lastcell)
3069                                 os << " & ";
3070                         continue;
3071                 }
3072
3073                 TeXCellPreamble(os, cell, ismulticol, ismultirow, bidi_rtl);
3074                 InsetTableCell const * inset = cellInset(cell);
3075
3076                 Paragraph const & par = inset->paragraphs().front();
3077
3078                 os.texrow().forceStart(par.id(), 0);
3079
3080                 bool rtl = par.isRTL(buffer().params())
3081                         && !par.empty()
3082                         && getPWidth(cell).zero()
3083                         && !runparams.use_polyglossia;
3084
3085                 if (rtl) {
3086                         string const lang =
3087                                 par.getParLanguage(buffer().params())->lang();
3088                         if (lang == "farsi")
3089                                 os << "\\textFR{";
3090                         else if (lang == "arabic_arabi")
3091                                 os << "\\textAR{";
3092                         // currently, remaining RTL languages are
3093                         // arabic_arabtex and hebrew
3094                         else
3095                                 os << "\\R{";
3096                 }
3097                 // pass to the OutputParams that we are in a cell and
3098                 // which alignment we have set.
3099                 // InsetNewline needs this context information.
3100                 OutputParams newrp(runparams);
3101                 newrp.inTableCell = (getAlignment(cell) == LYX_ALIGN_BLOCK)
3102                                     ? OutputParams::PLAIN
3103                                     : OutputParams::ALIGNED;
3104
3105                 if (getAlignment(cell) == LYX_ALIGN_DECIMAL) {
3106                         // copy cell and split in 2
3107                         InsetTableCell head = InsetTableCell(*cellInset(cell));
3108                         head.setBuffer(const_cast<Buffer &>(buffer()));
3109                         DocIterator dit = cellInset(cell)->getText(0)->macrocontextPosition();
3110                         dit.pop_back();
3111                         dit.push_back(CursorSlice(head));
3112                         head.setMacrocontextPositionRecursive(dit);
3113                         bool hassep = false;
3114                         InsetTableCell tail = splitCell(head, column_info[c].decimal_point, hassep);
3115                         if (hassep) {
3116                                 tail.setBuffer(head.buffer());
3117                                 dit.pop_back();
3118                                 dit.push_back(CursorSlice(tail));
3119                                 tail.setMacrocontextPositionRecursive(dit);
3120                         }
3121                         if (bidi_rtl) {
3122                                 if (hassep) {
3123                                         tail.latex(os, newrp);
3124                                         os << '&';
3125                                 }
3126                                 head.latex(os, newrp);
3127                         } else {
3128                                 head.latex(os, newrp);
3129                                 if (hassep) {
3130                                         os << '&';
3131                                         tail.latex(os, newrp);
3132                                 }
3133                         }
3134                 } else if (ltCaption(row)) {
3135                         // Inside longtable caption rows, we must only output the caption inset
3136                         // with its content and omit anything outside of that (see #10791)
3137                         InsetIterator it = inset_iterator_begin(*const_cast<InsetTableCell *>(inset));
3138                         InsetIterator i_end = inset_iterator_end(*const_cast<InsetTableCell *>(inset));
3139                         for (; it != i_end; ++it) {
3140                                 if (it->lyxCode() != CAPTION_CODE)
3141                                         continue;
3142                                 it->latex(os, runparams);
3143                                 break;
3144                         }
3145                 } else if (!isPartOfMultiRow(row, c)) {
3146                         if (!runparams.nice)
3147                                 os.texrow().start(par.id(), 0);
3148                         inset->latex(os, newrp);
3149                 }
3150
3151                 runparams.encoding = newrp.encoding;
3152                 if (rtl)
3153                         os << '}';
3154
3155                 TeXCellPostamble(os, cell, ismulticol, ismultirow);
3156                 if (cell != lastcell) { // not last cell in row
3157                         if (runparams.nice)
3158                                 os << " & ";
3159                         else
3160                                 os << " &\n";
3161                 }
3162         }
3163         os << "\\tabularnewline";
3164         if (row_info[row].bottom_space_default) {
3165                 if (use_booktabs)
3166                         os << "\\addlinespace";
3167                 else
3168                         os << "[\\doublerulesep]";
3169         } else if (!row_info[row].bottom_space.zero()) {
3170                 if (use_booktabs)
3171                         os << "\\addlinespace";
3172                 os << '['
3173                    << from_ascii(row_info[row].bottom_space.asLatexString())
3174                    << ']';
3175         }
3176         os << '\n';
3177
3178         //output the bottom line
3179         TeXBottomHLine(os, row, columns, logical_columns);
3180
3181         if (row_info[row].interline_space_default) {
3182                 if (use_booktabs)
3183                         os << "\\addlinespace\n";
3184                 else
3185                         os << "\\noalign{\\vskip\\doublerulesep}\n";
3186         } else if (!row_info[row].interline_space.zero()) {
3187                 if (use_booktabs)
3188                         os << "\\addlinespace["
3189                            << from_ascii(row_info[row].interline_space.asLatexString())
3190                            << "]\n";
3191                 else
3192                         os << "\\noalign{\\vskip"
3193                            << from_ascii(row_info[row].interline_space.asLatexString())
3194                            << "}\n";
3195         }
3196 }
3197
3198
3199 void Tabular::latex(otexstream & os, OutputParams const & runparams) const
3200 {
3201         bool const is_tabular_star = !is_long_tabular && !tabular_width.zero()
3202                 && !hasVarwidthColumn();
3203         bool const is_xltabular = is_long_tabular
3204                 && (hasVarwidthColumn() || !tabular_width.zero());
3205         TexRow::RowEntry pos = TexRow::textEntry(runparams.lastid, runparams.lastpos);
3206
3207         //+---------------------------------------------------------------------
3208         //+                      first the opening preamble                    +
3209         //+---------------------------------------------------------------------
3210
3211         os << safebreakln;
3212         if (!TexRow::isNone(pos))
3213                 os.texrow().start(pos);
3214
3215         if (rotate != 0) {
3216                 if (is_long_tabular)
3217                         os << "\\begin{landscape}\n";
3218                 else
3219                         os << "\\begin{turn}{" << convert<string>(rotate) << "}\n";
3220         }
3221
3222         // The bidi package (loaded by polyglossia with XeTeX) swaps the column
3223         // order for RTL (#9686). Thus we use this list.
3224         bool const bidi_rtl =
3225                 runparams.local_font->isRightToLeft()
3226                 && runparams.useBidiPackage();
3227         list<col_type> columns;
3228         list<col_type> logical_columns;
3229         for (col_type cl = 0; cl < ncols(); ++cl) {
3230                 if (!buffer().params().output_changes && column_info[cl].change.deleted())
3231                         continue;
3232                 if (bidi_rtl)
3233                         columns.push_front(cl);
3234                 else
3235                         columns.push_back(cl);
3236                 // for some calculations, we need the logical (non-swapped)
3237                 // columns also in bidi.
3238                 logical_columns.push_back(cl);
3239         }
3240
3241         // If we use \cline or \cmidrule, we need to locally de-activate
3242         // the - character when using languages that activate it (e.g., Czech, Slovak).
3243         bool deactivate_chars = false;
3244         if ((runparams.use_babel || runparams.use_polyglossia)
3245             && contains(runparams.active_chars, '-')) {
3246                 bool have_clines = false;
3247                 // Check if we use \cline or \cmidrule
3248                 for (row_type row = 0; row < nrows(); ++row) {
3249                         col_type bset = 0, tset = 0;
3250                         for (auto const & c : columns) {
3251                                 idx_type const idx = cellIndex(row, c);
3252                                 if (bottomLineTrim(idx).first || bottomLineTrim(idx).second
3253                                     || topLineTrim(idx).first || topLineTrim(idx).second) {
3254                                         have_clines = true;
3255                                         break;
3256                                 }
3257                                 if (bottomLine(cellIndex(row, c)))
3258                                         ++bset;
3259                                 if (topLine(cellIndex(row, c)))
3260                                         ++tset;
3261                         }
3262                         if ((bset > 0 && bset < ncols()) || (tset > 0 && tset < ncols())) {
3263                                 have_clines = true;
3264                                 break;
3265                         }
3266                 }
3267                 if (have_clines) {
3268                         deactivate_chars = true;
3269                         os << "\\begingroup\n"
3270                            << "\\catcode`\\-=12\n";
3271                 }
3272         }
3273
3274         if (is_long_tabular) {
3275                 if (is_xltabular)
3276                         os << "\\begin{xltabular}";
3277                 else
3278                         os << "\\begin{longtable}";
3279                 switch (longtabular_alignment) {
3280                 case LYX_LONGTABULAR_ALIGN_LEFT:
3281                         os << "[l]";
3282                         break;
3283                 case LYX_LONGTABULAR_ALIGN_CENTER:
3284                         os << "[c]";
3285                         break;
3286                 case LYX_LONGTABULAR_ALIGN_RIGHT:
3287                         os << "[r]";
3288                         break;
3289                 }
3290                 if (is_xltabular) {
3291                         if (tabular_width.zero())
3292                                 os << "{" << from_ascii("\\columnwidth") << "}";
3293                         else
3294                                 os << "{" << from_ascii(tabular_width.asLatexString()) << "}";
3295                 }
3296         } else {
3297                 if (is_tabular_star)
3298                         os << "\\begin{tabular*}{" << from_ascii(tabular_width.asLatexString()) << "}";
3299                 else if (hasVarwidthColumn()) {
3300                         os << "\\begin{tabularx}{";
3301                         if (tabular_width.zero())
3302                                 os << from_ascii("\\columnwidth") << "}";
3303                         else
3304                                 os << from_ascii(tabular_width.asLatexString()) << "}";
3305                 } else
3306                         os << "\\begin{tabular}";
3307                 switch (tabular_valignment) {
3308                 case LYX_VALIGN_TOP:
3309                         os << "[t]";
3310                         break;
3311                 case LYX_VALIGN_MIDDLE:
3312                         break;
3313                 case LYX_VALIGN_BOTTOM:
3314                         os << "[b]";
3315                         break;
3316                 }
3317         }
3318
3319         os << "{";
3320
3321         if (is_tabular_star)
3322                 os << "@{\\extracolsep{\\fill}}";
3323
3324         for (auto const & c : columns) {
3325                 if ((bidi_rtl && columnRightLine(c)) || (!bidi_rtl && columnLeftLine(c)))
3326                         os << '|';
3327                 if (!column_info[c].align_special.empty()) {
3328                         os << column_info[c].align_special;
3329                 } else {
3330                         if (!column_info[c].p_width.zero()) {
3331                                 bool decimal = false;
3332                                 switch (column_info[c].alignment) {
3333                                 case LYX_ALIGN_LEFT:
3334                                         os << ">{\\raggedright}";
3335                                         break;
3336                                 case LYX_ALIGN_RIGHT:
3337                                         os << ">{\\raggedleft}";
3338                                         break;
3339                                 case LYX_ALIGN_CENTER:
3340                                         os << ">{\\centering}";
3341                                         break;
3342                                 case LYX_ALIGN_NONE:
3343                                 case LYX_ALIGN_BLOCK:
3344                                 case LYX_ALIGN_LAYOUT:
3345                                 case LYX_ALIGN_SPECIAL:
3346                                         break;
3347                                 case LYX_ALIGN_DECIMAL: {
3348                                         if (bidi_rtl)
3349                                                 os << ">{\\raggedright}";
3350                                         else
3351                                                 os << ">{\\raggedleft}";
3352                                         decimal = true;
3353                                         break;
3354                                 }
3355                                 }
3356
3357                                 char valign = 'p';
3358                                 switch (column_info[c].valignment) {
3359                                 case LYX_VALIGN_TOP:
3360                                         // this is the default
3361                                         break;
3362                                 case LYX_VALIGN_MIDDLE:
3363                                         valign = 'm';
3364                                         break;
3365                                 case LYX_VALIGN_BOTTOM:
3366                                         valign = 'b';
3367                                         break;
3368                                 }
3369                                 os << valign;
3370
3371                                 // Fixed-width cells with alignment at decimal separator
3372                                 // are output as two cells of half the width with the decimal
3373                                 // separator as column sep. This effectively puts the content
3374                                 // centered, which differs from the normal decimal sep alignment
3375                                 // and is not ideal, but we cannot do better ATM (see #9568).
3376                                 // FIXME: Implement proper decimal sep alignment, e.g. via siunitx.
3377                                 if (decimal) {
3378                                         docstring const halffixedwith =
3379                                                 from_ascii(Length(column_info[c].p_width.value() / 2,
3380                                                                   column_info[c].p_width.unit()).asLatexString());
3381                                         os << '{'
3382                                            << halffixedwith
3383                                            << '}'
3384                                            << "@{\\extracolsep{0pt}" << column_info[c].decimal_point << "}"
3385                                            << valign
3386                                            << '{'
3387                                            << halffixedwith
3388                                            << '}';
3389                                 } else
3390                                         os << '{'
3391                                            << from_ascii(column_info[c].p_width.asLatexString())
3392                                            << '}';
3393                         } else if (column_info[c].varwidth) {
3394                                 switch (column_info[c].alignment) {
3395                                 case LYX_ALIGN_LEFT:
3396                                         os << ">{\\raggedright\\arraybackslash}";
3397                                         break;
3398                                 case LYX_ALIGN_RIGHT:
3399                                         os << ">{\\raggedleft\\arraybackslash}";
3400                                         break;
3401                                 case LYX_ALIGN_CENTER:
3402                                         os << ">{\\centering\\arraybackslash}";
3403                                         break;
3404                                 case LYX_ALIGN_NONE:
3405                                 case LYX_ALIGN_BLOCK:
3406                                 case LYX_ALIGN_LAYOUT:
3407                                 case LYX_ALIGN_SPECIAL:
3408                                 case LYX_ALIGN_DECIMAL:
3409                                         break;
3410                                 }
3411                                 os << 'X';
3412                         } else if (isVTypeColumn(c)) {
3413                                 switch (column_info[c].alignment) {
3414                                 case LYX_ALIGN_LEFT:
3415                                         os << ">{\\raggedright}";
3416                                         break;
3417                                 case LYX_ALIGN_RIGHT:
3418                                         os << ">{\\raggedleft}";
3419                                         break;
3420                                 case LYX_ALIGN_CENTER:
3421                                         os << ">{\\centering}";
3422                                         break;
3423                                 case LYX_ALIGN_NONE:
3424                                 case LYX_ALIGN_BLOCK:
3425                                 case LYX_ALIGN_LAYOUT:
3426                                 case LYX_ALIGN_SPECIAL:
3427                                 case LYX_ALIGN_DECIMAL:
3428                                         break;
3429                                 }
3430                                 os << "V{\\linewidth}";
3431                         } else {
3432                                 switch (column_info[c].alignment) {
3433                                 case LYX_ALIGN_LEFT:
3434                                         os << 'l';
3435                                         break;
3436                                 case LYX_ALIGN_RIGHT:
3437                                         os << 'r';
3438                                         break;
3439                                 case LYX_ALIGN_DECIMAL:
3440                                         os << "r@{\\extracolsep{0pt}" << column_info[c].decimal_point << "}l";
3441                                         break;
3442                                 default:
3443                                         os << 'c';
3444                                         break;
3445                                 }
3446                         } // end if else !column_info[i].p_width
3447                 } // end if else !column_info[i].align_special
3448                 if ((bidi_rtl && columnLeftLine(c)) || (!bidi_rtl && columnRightLine(c)))
3449                         os << '|';
3450         }
3451         os << "}\n";
3452
3453         TeXLongtableHeaderFooter(os, runparams, columns, logical_columns);
3454
3455         //+---------------------------------------------------------------------
3456         //+                      the single row and columns (cells)            +
3457         //+---------------------------------------------------------------------
3458
3459         for (row_type r = 0; r < nrows(); ++r) {
3460                 if (!buffer().params().output_changes && row_info[r].change.deleted())
3461                         continue;
3462                 if (isValidRow(r)) {
3463                         TeXRow(os, r, runparams, columns, logical_columns);
3464                         if (is_long_tabular && row_info[r].newpage)
3465                                 os << "\\newpage\n";
3466                 }
3467         }
3468
3469         //+---------------------------------------------------------------------
3470         //+                      the closing of the tabular                    +
3471         //+---------------------------------------------------------------------
3472
3473         if (is_long_tabular) {
3474                 if (is_xltabular)
3475                         os << "\\end{xltabular}";
3476                 else
3477                         os << "\\end{longtable}";
3478         } else {
3479                 if (is_tabular_star)
3480                         os << "\\end{tabular*}";
3481                 else if (hasVarwidthColumn())
3482                         os << "\\end{tabularx}";
3483                 else
3484                         os << "\\end{tabular}";
3485         }
3486
3487         if (deactivate_chars)
3488                 // close the group
3489                 os << "\n\\endgroup\n";
3490
3491         if (rotate != 0) {
3492                 if (is_long_tabular)
3493                         os << breakln << "\\end{landscape}";
3494                 else
3495                         os << breakln << "\\end{turn}";
3496         }
3497
3498         if (!TexRow::isNone(pos))
3499                 os.texrow().start(pos);
3500 }
3501
3502
3503 int Tabular::docbookRow(odocstream & os, row_type row,
3504                            OutputParams const & runparams) const
3505 {
3506         int ret = 0;
3507         idx_type cell = getFirstCellInRow(row);
3508
3509         os << "<row>\n";
3510         for (col_type c = 0; c < ncols(); ++c) {
3511                 if (isPartOfMultiColumn(row, c))
3512                         continue;
3513
3514                 os << "<entry align=\"";
3515                 switch (getAlignment(cell)) {
3516                 case LYX_ALIGN_LEFT:
3517                         os << "left";
3518                         break;
3519                 case LYX_ALIGN_RIGHT:
3520                         os << "right";
3521                         break;
3522                 default:
3523                         os << "center";
3524                         break;
3525                 }
3526
3527                 os << "\" valign=\"";
3528                 switch (getVAlignment(cell)) {
3529                 case LYX_VALIGN_TOP:
3530                         os << "top";
3531                         break;
3532                 case LYX_VALIGN_BOTTOM:
3533                         os << "bottom";
3534                         break;
3535                 case LYX_VALIGN_MIDDLE:
3536                         os << "middle";
3537                 }
3538                 os << '"';
3539
3540                 if (isMultiColumn(cell)) {
3541                         os << " namest=\"col" << c << "\" ";
3542                         os << "nameend=\"col" << c + columnSpan(cell) - 1 << '"';
3543                 }
3544
3545                 os << '>';
3546                 ret += cellInset(cell)->docbook(os, runparams);
3547                 os << "</entry>\n";
3548                 ++cell;
3549         }
3550         os << "</row>\n";
3551         return ret;
3552 }
3553
3554
3555 int Tabular::docbook(odocstream & os, OutputParams const & runparams) const
3556 {
3557         int ret = 0;
3558
3559         //+---------------------------------------------------------------------
3560         //+                      first the opening preamble                    +
3561         //+---------------------------------------------------------------------
3562
3563         os << "<tgroup cols=\"" << ncols()
3564            << "\" colsep=\"1\" rowsep=\"1\">\n";
3565
3566         for (col_type c = 0; c < ncols(); ++c) {
3567                 os << "<colspec colname=\"col" << c << "\" align=\"";
3568                 switch (column_info[c].alignment) {
3569                 case LYX_ALIGN_LEFT:
3570                         os << "left";
3571                         break;
3572                 case LYX_ALIGN_RIGHT:
3573                         os << "right";
3574                         break;
3575                 default:
3576                         os << "center";
3577                         break;
3578                 }
3579                 os << '"';
3580                 if (runparams.flavor == OutputParams::XML)
3581                         os << '/';
3582                 os << ">\n";
3583                 ++ret;
3584         }
3585
3586         //+---------------------------------------------------------------------
3587         //+                      Long Tabular case                             +
3588         //+---------------------------------------------------------------------
3589
3590         // output caption info
3591         // The caption flag wins over head/foot
3592         if (haveLTCaption()) {
3593                 os << "<caption>\n";
3594                 ++ret;
3595                 for (row_type r = 0; r < nrows(); ++r) {
3596                         if (row_info[r].caption) {
3597                                 ret += docbookRow(os, r, runparams);
3598                         }
3599                 }
3600                 os << "</caption>\n";
3601                 ++ret;
3602         }
3603         // output header info
3604         if (haveLTHead(false) || haveLTFirstHead(false)) {
3605                 os << "<thead>\n";
3606                 ++ret;
3607                 for (row_type r = 0; r < nrows(); ++r) {
3608                         if ((row_info[r].endhead || row_info[r].endfirsthead) &&
3609                             !row_info[r].caption) {
3610                                 ret += docbookRow(os, r, runparams);
3611                         }
3612                 }
3613                 os << "</thead>\n";
3614                 ++ret;
3615         }
3616         // output footer info
3617         if (haveLTFoot(false) || haveLTLastFoot(false)) {
3618                 os << "<tfoot>\n";
3619                 ++ret;
3620                 for (row_type r = 0; r < nrows(); ++r) {
3621                         if ((row_info[r].endfoot || row_info[r].endlastfoot) &&
3622                             !row_info[r].caption) {
3623                                 ret += docbookRow(os, r, runparams);
3624                         }
3625                 }
3626                 os << "</tfoot>\n";
3627                 ++ret;
3628         }
3629
3630         //+---------------------------------------------------------------------
3631         //+                      the single row and columns (cells)            +
3632         //+---------------------------------------------------------------------
3633
3634         os << "<tbody>\n";
3635         ++ret;
3636         for (row_type r = 0; r < nrows(); ++r) {
3637                 if (isValidRow(r)) {
3638                         ret += docbookRow(os, r, runparams);
3639                 }
3640         }
3641         os << "</tbody>\n";
3642         ++ret;
3643         //+---------------------------------------------------------------------
3644         //+                      the closing of the tabular                    +
3645         //+---------------------------------------------------------------------
3646
3647         os << "</tgroup>";
3648         ++ret;
3649
3650         return ret;
3651 }
3652
3653
3654 docstring Tabular::xhtmlRow(XHTMLStream & xs, row_type row,
3655                            OutputParams const & runparams, bool header) const
3656 {
3657         docstring ret;
3658         string const celltag = header ? "th" : "td";
3659         idx_type cell = getFirstCellInRow(row);
3660
3661         xs << html::StartTag("tr");
3662         for (col_type c = 0; c < ncols(); ++c) {
3663                 if (isPartOfMultiColumn(row, c) || isPartOfMultiRow(row, c))
3664                         continue;
3665
3666                 stringstream attr;
3667
3668                 Length const cwidth = column_info[c].p_width;
3669                 if (!cwidth.zero()) {
3670                         string const hwidth = cwidth.asHTMLString();
3671                         attr << "style =\"width: " << hwidth << ";\" ";
3672                 }
3673
3674                 attr << "align='";
3675                 switch (getAlignment(cell)) {
3676                 case LYX_ALIGN_LEFT:
3677                         attr << "left";
3678                         break;
3679                 case LYX_ALIGN_RIGHT:
3680                         attr << "right";
3681                         break;
3682                 default:
3683                         attr << "center";
3684                         break;
3685                 }
3686                 attr << "'";
3687                 attr << " valign='";
3688                 switch (getVAlignment(cell)) {
3689                 case LYX_VALIGN_TOP:
3690                         attr << "top";
3691                         break;
3692                 case LYX_VALIGN_BOTTOM:
3693                         attr << "bottom";
3694                         break;
3695                 case LYX_VALIGN_MIDDLE:
3696                         attr << "middle";
3697                 }
3698                 attr << "'";
3699
3700                 if (isMultiColumn(cell))
3701                         attr << " colspan='" << columnSpan(cell) << "'";
3702                 else if (isMultiRow(cell))
3703                         attr << " rowspan='" << rowSpan(cell) << "'";
3704
3705                 xs << html::StartTag(celltag, attr.str(), true) << html::CR();
3706                 ret += cellInset(cell)->xhtml(xs, runparams);
3707                 xs << html::EndTag(celltag) << html::CR();
3708                 ++cell;
3709         }
3710         xs << html::EndTag("tr");
3711         return ret;
3712 }
3713
3714
3715 docstring Tabular::xhtml(XHTMLStream & xs, OutputParams const & runparams) const
3716 {
3717         docstring ret;
3718
3719         if (is_long_tabular) {
3720                 // we'll wrap it in a div, so as to deal with alignment
3721                 string align;
3722                 switch (longtabular_alignment) {
3723                 case LYX_LONGTABULAR_ALIGN_LEFT:
3724                         align = "left";
3725                         break;
3726                 case LYX_LONGTABULAR_ALIGN_CENTER:
3727                         align = "center";
3728                         break;
3729                 case LYX_LONGTABULAR_ALIGN_RIGHT:
3730                         align = "right";
3731                         break;
3732                 }
3733                 xs << html::StartTag("div", "class='longtable' style='text-align: " + align + ";'")
3734                    << html::CR();
3735                 // The caption flag wins over head/foot
3736                 if (haveLTCaption()) {
3737                         xs << html::StartTag("div", "class='longtable-caption' style='text-align: " + align + ";'")
3738                            << html::CR();
3739                         for (row_type r = 0; r < nrows(); ++r)
3740                                 if (row_info[r].caption)
3741                                         ret += xhtmlRow(xs, r, runparams);
3742                         xs << html::EndTag("div") << html::CR();
3743                 }
3744         }
3745
3746         xs << html::StartTag("table") << html::CR();
3747
3748         // output header info
3749         bool const havefirsthead = haveLTFirstHead(false);
3750         // if we have a first head, then we are going to ignore the
3751         // headers for the additional pages, since there aren't any
3752         // in XHTML. this test accomplishes that.
3753         bool const havehead = !havefirsthead && haveLTHead(false);
3754         if (havehead || havefirsthead) {
3755                 xs << html::StartTag("thead") << html::CR();
3756                 for (row_type r = 0; r < nrows(); ++r) {
3757                         if (((havefirsthead && row_info[r].endfirsthead) ||
3758                              (havehead && row_info[r].endhead)) &&
3759                             !row_info[r].caption) {
3760                                 ret += xhtmlRow(xs, r, runparams, true);
3761                         }
3762                 }
3763                 xs << html::EndTag("thead") << html::CR();
3764         }
3765         // output footer info
3766         bool const havelastfoot = haveLTLastFoot(false);
3767         // as before.
3768         bool const havefoot = !havelastfoot && haveLTFoot(false);
3769         if (havefoot || havelastfoot) {
3770                 xs << html::StartTag("tfoot") << html::CR();
3771                 for (row_type r = 0; r < nrows(); ++r) {
3772                         if (((havelastfoot && row_info[r].endlastfoot) ||
3773                              (havefoot && row_info[r].endfoot)) &&
3774                             !row_info[r].caption) {
3775                                 ret += xhtmlRow(xs, r, runparams);
3776                         }
3777                 }
3778                 xs << html::EndTag("tfoot") << html::CR();
3779         }
3780
3781         xs << html::StartTag("tbody") << html::CR();
3782         for (row_type r = 0; r < nrows(); ++r) {
3783                 if (isValidRow(r)) {
3784                         ret += xhtmlRow(xs, r, runparams);
3785                 }
3786         }
3787         xs << html::EndTag("tbody")
3788            << html::CR()
3789            << html::EndTag("table")
3790            << html::CR();
3791         if (is_long_tabular)
3792                 xs << html::EndTag("div") << html::CR();
3793         return ret;
3794 }
3795
3796
3797 bool Tabular::plaintextTopHLine(odocstringstream & os, row_type row,
3798                                    vector<unsigned int> const & clen) const
3799 {
3800         idx_type const fcell = getFirstCellInRow(row);
3801         idx_type const n = numberOfCellsInRow(row) + fcell;
3802         idx_type tmp = 0;
3803
3804         for (idx_type i = fcell; i < n; ++i) {
3805                 if (topLine(i)) {
3806                         ++tmp;
3807                         break;
3808                 }
3809         }
3810         if (!tmp)
3811                 return false;
3812
3813         char_type ch;
3814         for (idx_type i = fcell; i < n; ++i) {
3815                 if (topLine(i)) {
3816                         if (leftLine(i))
3817                                 os << "+-";
3818                         else
3819                                 os << "--";
3820                         ch = '-';
3821                 } else {
3822                         os << "  ";
3823                         ch = ' ';
3824                 }
3825                 col_type column = cellColumn(i);
3826                 int len = clen[column];
3827                 while (column < ncols() - 1
3828                        && isPartOfMultiColumn(row, ++column))
3829                         len += clen[column] + 4;
3830                 os << docstring(len, ch);
3831                 if (topLine(i)) {
3832                         if (rightLine(i))
3833                                 os << "-+";
3834                         else
3835                                 os << "--";
3836                 } else {
3837                         os << "  ";
3838                 }
3839         }
3840         os << endl;
3841         return true;
3842 }
3843
3844
3845 bool Tabular::plaintextBottomHLine(odocstringstream & os, row_type row,
3846                                       vector<unsigned int> const & clen) const
3847 {
3848         idx_type const fcell = getFirstCellInRow(row);
3849         idx_type const n = numberOfCellsInRow(row) + fcell;
3850         idx_type tmp = 0;
3851
3852         for (idx_type i = fcell; i < n; ++i) {
3853                 if (bottomLine(i)) {
3854                         ++tmp;
3855                         break;
3856                 }
3857         }
3858         if (!tmp)
3859                 return false;
3860
3861         char_type ch;
3862         for (idx_type i = fcell; i < n; ++i) {
3863                 if (bottomLine(i)) {
3864                         if (leftLine(i))
3865                                 os << "+-";
3866                         else
3867                                 os << "--";
3868                         ch = '-';
3869                 } else {
3870                         os << "  ";
3871                         ch = ' ';
3872                 }
3873                 col_type column = cellColumn(i);
3874                 int len = clen[column];
3875                 while (column < ncols() - 1 && isPartOfMultiColumn(row, ++column))
3876                         len += clen[column] + 4;
3877                 os << docstring(len, ch);
3878                 if (bottomLine(i)) {
3879                         if (rightLine(i))
3880                                 os << "-+";
3881                         else
3882                                 os << "--";
3883                 } else {
3884                         os << "  ";
3885                 }
3886         }
3887         os << endl;
3888         return true;
3889 }
3890
3891
3892 void Tabular::plaintextPrintCell(odocstringstream & os,
3893                                OutputParams const & runparams,
3894                                idx_type cell, row_type row, col_type column,
3895                                vector<unsigned int> const & clen,
3896                                bool onlydata, size_t max_length) const
3897 {
3898         odocstringstream sstr;
3899         cellInset(cell)->plaintext(sstr, runparams, max_length);
3900
3901         if (onlydata) {
3902                 os << sstr.str();
3903                 return;
3904         }
3905
3906         if (leftLine(cell))
3907                 os << "| ";
3908         else
3909                 os << "  ";
3910
3911         unsigned int len1 = sstr.str().length();
3912         unsigned int len2 = clen[column];
3913         while (column < ncols() - 1 && isPartOfMultiColumn(row, ++column))
3914                 len2 += clen[column] + 4;
3915         len2 -= len1;
3916
3917         switch (getAlignment(cell)) {
3918         default:
3919         case LYX_ALIGN_LEFT:
3920                 len1 = 0;
3921                 break;
3922         case LYX_ALIGN_RIGHT:
3923                 len1 = len2;
3924                 len2 = 0;
3925                 break;
3926         case LYX_ALIGN_CENTER:
3927                 len1 = len2 / 2;
3928                 len2 -= len1;
3929                 break;
3930         }
3931
3932         os << docstring(len1, ' ') << sstr.str()
3933            << docstring(len2, ' ');
3934
3935         if (rightLine(cell))
3936                 os << " |";
3937         else
3938                 os << "  ";
3939 }
3940
3941
3942 void Tabular::plaintext(odocstringstream & os,
3943                            OutputParams const & runparams, int const depth,
3944                            bool onlydata, char_type delim, size_t max_length) const
3945 {
3946         // first calculate the width of the single columns
3947         vector<unsigned int> clen(ncols());
3948
3949         if (!onlydata) {
3950                 // first all non multicolumn cells!
3951                 for (col_type c = 0; c < ncols(); ++c) {
3952                         clen[c] = 0;
3953                         for (row_type r = 0; r < nrows(); ++r) {
3954                                 idx_type cell = cellIndex(r, c);
3955                                 if (isMultiColumn(cell))
3956                                         continue;
3957                                 odocstringstream sstr;
3958                                 cellInset(cell)->plaintext(sstr, runparams, max_length);
3959                                 if (clen[c] < sstr.str().length())
3960                                         clen[c] = sstr.str().length();
3961                         }
3962                 }
3963                 // then all multicolumn cells!
3964                 for (col_type c = 0; c < ncols(); ++c) {
3965                         for (row_type r = 0; r < nrows(); ++r) {
3966                                 idx_type cell = cellIndex(r, c);
3967                                 if (cell_info[r][c].multicolumn != CELL_BEGIN_OF_MULTICOLUMN)
3968                                         continue;
3969                                 odocstringstream sstr;
3970                                 cellInset(cell)->plaintext(sstr, runparams, max_length);
3971                                 int len = int(sstr.str().length());
3972                                 idx_type const n = columnSpan(cell);
3973                                 for (col_type k = c; len > 0 && k < c + n - 1; ++k)
3974                                         len -= clen[k];
3975                                 if (len > int(clen[c + n - 1]))
3976                                         clen[c + n - 1] = len;
3977                         }
3978                 }
3979         }
3980         idx_type cell = 0;
3981         for (row_type r = 0; r < nrows(); ++r) {
3982                 if (!onlydata && plaintextTopHLine(os, r, clen))
3983                         os << docstring(depth * 2, ' ');
3984                 for (col_type c = 0; c < ncols(); ++c) {
3985                         if (isPartOfMultiColumn(r, c) || isPartOfMultiRow(r,c))
3986                                 continue;
3987                         if (onlydata && c > 0)
3988                                 // we don't use operator<< for single UCS4 character.
3989                                 // see explanation in docstream.h
3990                                 os.put(delim);
3991                         plaintextPrintCell(os, runparams, cell, r, c, clen, onlydata, max_length);
3992                         ++cell;
3993                         if (os.str().size() > max_length)
3994                                 break;
3995                 }
3996                 os << endl;
3997                 if (!onlydata) {
3998                         os << docstring(depth * 2, ' ');
3999                         if (plaintextBottomHLine(os, r, clen))
4000                                 os << docstring(depth * 2, ' ');
4001                 }
4002                 if (os.str().size() > max_length)
4003                         break;
4004         }
4005 }
4006
4007
4008 shared_ptr<InsetTableCell> Tabular::cellInset(idx_type cell)
4009 {
4010         return cell_info[cellRow(cell)][cellColumn(cell)].inset;
4011 }
4012
4013
4014 shared_ptr<InsetTableCell> Tabular::cellInset(row_type row, col_type column)
4015 {
4016         return cell_info[row][column].inset;
4017 }
4018
4019
4020 InsetTableCell const * Tabular::cellInset(idx_type cell) const
4021 {
4022         return cell_info[cellRow(cell)][cellColumn(cell)].inset.get();
4023 }
4024
4025
4026 void Tabular::setCellInset(row_type row, col_type column,
4027                            shared_ptr<InsetTableCell> ins)
4028 {
4029         CellData & cd = cell_info[row][column];
4030         cd.inset = ins;
4031 }
4032
4033
4034 void Tabular::validate(LaTeXFeatures & features) const
4035 {
4036         features.require("NeedTabularnewline");
4037         if (use_booktabs)
4038                 features.require("booktabs");
4039         if (is_long_tabular && !hasVarwidthColumn()) {
4040                 if (tabular_width.zero())
4041                         features.require("longtable");
4042                 else
4043                         features.require("xltabular");
4044         }
4045         if (rotate && is_long_tabular)
4046                 features.require("lscape");
4047         if (needRotating())
4048                 features.require("rotating");
4049         if (hasVarwidthColumn()) {
4050                 if (is_long_tabular)
4051                         features.require("xltabular");
4052                 else
4053                         features.require("tabularx");
4054         }
4055         for (idx_type cell = 0; cell < numberofcells; ++cell) {
4056                 if (isMultiRow(cell))
4057                         features.require("multirow");
4058                 if (getUsebox(cell) == BOX_VARWIDTH)
4059                         features.require("varwidth");
4060                 if (getVAlignment(cell) != LYX_VALIGN_TOP
4061                     || !getPWidth(cell).zero()
4062                     || isVTypeColumn(cellColumn(cell)))
4063                         features.require("array");
4064                 // Tell footnote that we need a savenote
4065                 // environment in non-long tables or
4066                 // longtable headers/footers
4067                 else if (!is_long_tabular && !features.inFloat())
4068                         features.saveNoteEnv("tabular");
4069                 else if (!isValidRow(cellRow(cell)))
4070                         features.saveNoteEnv("longtable");
4071
4072                 cellInset(cell)->validate(features);
4073                 features.saveNoteEnv(string());
4074         }
4075 }
4076
4077
4078 Tabular::BoxType Tabular::useBox(idx_type cell) const
4079 {
4080         ParagraphList const & parlist = cellInset(cell)->paragraphs();
4081         if (parlist.size() > 1)
4082                 return BOX_VARWIDTH;
4083
4084         ParagraphList::const_iterator cit = parlist.begin();
4085         ParagraphList::const_iterator end = parlist.end();
4086
4087         for (; cit != end; ++cit)
4088                 for (int i = 0; i < cit->size(); ++i)
4089                         if (cit->isNewline(i) || cit->layout().isEnvironment())
4090                                 return BOX_VARWIDTH;
4091
4092         return BOX_NONE;
4093 }
4094
4095
4096 /////////////////////////////////////////////////////////////////////
4097 //
4098 // InsetTableCell
4099 //
4100 /////////////////////////////////////////////////////////////////////
4101
4102 InsetTableCell::InsetTableCell(Buffer * buf)
4103         : InsetText(buf, InsetText::PlainLayout), isFixedWidth(false),
4104           isMultiColumn(false), isMultiRow(false), contentAlign(LYX_ALIGN_CENTER)
4105 {}
4106
4107
4108 bool InsetTableCell::forcePlainLayout(idx_type) const
4109 {
4110         return isMultiRow || (isMultiColumn && !isFixedWidth);
4111 }
4112
4113
4114 bool InsetTableCell::allowParagraphCustomization(idx_type) const
4115 {
4116         return isFixedWidth;
4117 }
4118
4119
4120 bool InsetTableCell::forceLocalFontSwitch() const
4121 {
4122         return true;
4123 }
4124
4125
4126 bool InsetTableCell::getStatus(Cursor & cur, FuncRequest const & cmd,
4127         FuncStatus & status) const
4128 {
4129         bool enabled = true;
4130         switch (cmd.action()) {
4131         case LFUN_INSET_DISSOLVE:
4132                 enabled = false;
4133                 break;
4134         case LFUN_MATH_DISPLAY:
4135                 if (!hasFixedWidth()) {
4136                         enabled = false;
4137                         break;
4138                 } //fall-through
4139         default:
4140                 return InsetText::getStatus(cur, cmd, status);
4141         }
4142         status.setEnabled(enabled);
4143         return true;
4144 }
4145
4146 docstring InsetTableCell::asString(bool intoInsets)
4147 {
4148         docstring retval;
4149         if (paragraphs().empty())
4150                 return retval;
4151         ParagraphList::const_iterator it = paragraphs().begin();
4152         ParagraphList::const_iterator en = paragraphs().end();
4153         bool first = true;
4154         for (; it != en; ++it) {
4155                 if (!first)
4156                         retval += "\n";
4157                 else
4158                         first = false;
4159                 retval += it->asString(intoInsets ? AS_STR_INSETS : AS_STR_NONE);
4160         }
4161         return retval;
4162 }
4163
4164
4165 void InsetTableCell::addToToc(DocIterator const & di, bool output_active,
4166                                                           UpdateType utype, TocBackend & backend) const
4167 {
4168         InsetText::iterateForToc(di, output_active, utype, backend);
4169 }
4170
4171
4172 docstring InsetTableCell::xhtml(XHTMLStream & xs, OutputParams const & rp) const
4173 {
4174         if (!isFixedWidth)
4175                 return InsetText::insetAsXHTML(xs, rp, InsetText::JustText);
4176         return InsetText::xhtml(xs, rp);
4177 }
4178
4179
4180 void InsetTableCell::metrics(MetricsInfo & mi, Dimension & dim) const
4181 {
4182         TextMetrics & tm = mi.base.bv->textMetrics(&text());
4183         int const horiz_offset = leftOffset(mi.base.bv) + rightOffset(mi.base.bv);
4184
4185         // Hand font through to contained lyxtext:
4186         tm.font_.fontInfo() = mi.base.font;
4187         mi.base.textwidth -= horiz_offset;
4188
4189         // This can happen when a layout has a left and right margin,
4190         // and the view is made very narrow. We can't do better than
4191         // to draw it partly out of view (bug 5890).
4192         if (mi.base.textwidth < 1)
4193                 mi.base.textwidth = 1;
4194
4195         // We tell metrics here not to expand on multiple pars
4196         // This is the difference to InsetText::Metrics
4197         if (hasFixedWidth())
4198                 tm.metrics(mi, dim, mi.base.textwidth, false);
4199         else
4200                 tm.metrics(mi, dim, 0, false);
4201         mi.base.textwidth += horiz_offset;
4202         dim.asc += topOffset(mi.base.bv);
4203         dim.des += bottomOffset(mi.base.bv);
4204         dim.wid += horiz_offset;
4205 }
4206
4207
4208
4209 /////////////////////////////////////////////////////////////////////
4210 //
4211 // InsetTabular
4212 //
4213 /////////////////////////////////////////////////////////////////////
4214
4215 InsetTabular::InsetTabular(Buffer * buf, row_type rows,
4216                            col_type columns)
4217         : Inset(buf), tabular(buf, max(rows, row_type(1)), max(columns, col_type(1))),
4218           rowselect_(false), colselect_(false)
4219 {
4220 }
4221
4222
4223 InsetTabular::InsetTabular(InsetTabular const & tab)
4224         : Inset(tab), tabular(tab.tabular),
4225           rowselect_(false), colselect_(false)
4226 {
4227 }
4228
4229
4230 InsetTabular::~InsetTabular()
4231 {
4232         hideDialogs("tabular", this);
4233 }
4234
4235
4236 void InsetTabular::setBuffer(Buffer & buf)
4237 {
4238         tabular.setBuffer(buf);
4239         Inset::setBuffer(buf);
4240 }
4241
4242
4243 bool InsetTabular::insetAllowed(InsetCode code) const
4244 {
4245         switch (code) {
4246         case FLOAT_CODE:
4247         case MARGIN_CODE:
4248         case MATHMACRO_CODE:
4249         case WRAP_CODE:
4250                 return false;
4251
4252         case CAPTION_CODE:
4253                 return tabular.is_long_tabular;
4254
4255         default:
4256                 return true;
4257         }
4258 }
4259
4260
4261 bool InsetTabular::allowsCaptionVariation(std::string const & newtype) const
4262 {
4263         return tabular.is_long_tabular &&
4264                 (newtype == "Standard" || newtype == "Unnumbered");
4265 }
4266
4267
4268 void InsetTabular::write(ostream & os) const
4269 {
4270         os << "Tabular" << endl;
4271         tabular.write(os);
4272 }
4273
4274
4275 string InsetTabular::contextMenu(BufferView const &, int, int) const
4276 {
4277         // FIXME: depending on the selection state,
4278         // we could offer a different menu.
4279         return cell(0)->contextMenuName() + ";" + contextMenuName();
4280 }
4281
4282
4283 string InsetTabular::contextMenuName() const
4284 {
4285         return "context-tabular";
4286 }
4287
4288
4289 void InsetTabular::read(Lexer & lex)
4290 {
4291         //bool const old_format = (lex.getString() == "\\LyXTable");
4292
4293         tabular.read(lex);
4294
4295         //if (old_format)
4296         //      return;
4297
4298         lex.next();
4299         string token = lex.getString();
4300         while (lex && token != "\\end_inset") {
4301                 lex.next();
4302                 token = lex.getString();
4303         }
4304         if (!lex)
4305                 lex.printError("Missing \\end_inset at this point. ");
4306 }
4307
4308
4309 int InsetTabular::rowFromY(Cursor & cur, int y) const
4310 {
4311         // top y coordinate of tabular
4312         int h = yo(cur.bv()) - tabular.rowAscent(0) + tabular.offsetVAlignment();
4313         row_type r = 0;
4314         for (; r < tabular.nrows() && y > h; ++r)
4315                 h += tabular.rowAscent(r) + tabular.rowDescent(r)
4316                         + tabular.interRowSpace(r);
4317
4318         return r - 1;
4319 }
4320
4321
4322 int InsetTabular::columnFromX(Cursor & cur, int x) const
4323 {
4324         // left x coordinate of tabular
4325         int w = xo(cur.bv()) + ADD_TO_TABULAR_WIDTH;
4326         col_type c = 0;
4327         for (; c < tabular.ncols() && x > w; ++c)
4328                 w += tabular.cellWidth(c);
4329         return c - 1;
4330 }
4331
4332
4333 void InsetTabular::metrics(MetricsInfo & mi, Dimension & dim) const
4334 {
4335         //lyxerr << "InsetTabular::metrics: " << mi.base.bv << " width: " <<
4336         //      mi.base.textwidth << "\n";
4337         LBUFERR(mi.base.bv);
4338
4339         for (row_type r = 0; r < tabular.nrows(); ++r) {
4340                 int maxasc = 0;
4341                 int maxdes = 0;
4342                 for (col_type c = 0; c < tabular.ncols(); ++c) {
4343                         if (tabular.isPartOfMultiColumn(r, c)
4344                                 || tabular.isPartOfMultiRow(r, c))
4345                                 // multicolumn or multirow cell, but not first one
4346                                 continue;
4347                         idx_type const cell = tabular.cellIndex(r, c);
4348                         Dimension dim0;
4349                         MetricsInfo m = mi;
4350                         Length const p_width = tabular.getPWidth(cell);
4351                         if (!p_width.zero())
4352                                 m.base.textwidth = mi.base.inPixels(p_width);
4353                         else if (tabular.column_info[c].varwidth)
4354                                 m.base.textwidth = tabular.column_info[c].width;
4355                         tabular.cellInset(cell)->metrics(m, dim0);
4356                         if (!p_width.zero() || tabular.column_info[c].varwidth)
4357                                 dim0.wid = m.base.textwidth;
4358                         tabular.cellInfo(cell).width = dim0.wid + 2 * WIDTH_OF_LINE
4359                                 + tabular.interColumnSpace(cell);
4360
4361                         // FIXME(?): do we need a second metrics call?
4362                         TextMetrics const & tm =
4363                                 mi.base.bv->textMetrics(tabular.cellInset(cell)->getText(0));
4364
4365                         // determine horizontal offset because of decimal align (if necessary)
4366                         int decimal_width = 0;
4367                         if (tabular.getAlignment(cell) == LYX_ALIGN_DECIMAL) {
4368                                 InsetTableCell tail = InsetTableCell(*tabular.cellInset(cell));
4369                                 tail.setBuffer(tabular.buffer());
4370                                 // we need to set macrocontext position everywhere
4371                                 // otherwise we crash with nested insets (e.g. footnotes)
4372                                 // after decimal point
4373                                 DocIterator dit = tabular.cellInset(cell)->getText(0)->macrocontextPosition();
4374                                 dit.pop_back();
4375                                 dit.push_back(CursorSlice(tail));
4376                                 tail.setMacrocontextPositionRecursive(dit);
4377
4378                                 // remove text leading decimal point
4379                                 docstring const align_d = tabular.column_info[c].decimal_point;
4380                                 dit = separatorPos(&tail, align_d);
4381
4382                                 pit_type const psize = tail.paragraphs().front().size();
4383                                 if (dit) {
4384                                         tail.paragraphs().front().eraseChars(0,
4385                                                 dit.pos() < psize ? dit.pos() + 1 : psize, false);
4386                                         Dimension dim1;
4387                                         tail.metrics(m, dim1);
4388                                         decimal_width = dim1.width();
4389                                 }
4390                         }
4391                         tabular.cell_info[r][c].decimal_hoffset = tm.width() - decimal_width;
4392                         tabular.cell_info[r][c].decimal_width = decimal_width;
4393
4394                         // with LYX_VALIGN_BOTTOM the descent is relative to the last par
4395                         // = descent of text in last par + bottomOffset:
4396                         int const lastpardes = tm.last().second->descent()
4397                                 + bottomOffset(mi.base.bv);
4398                         int offset = 0;
4399                         switch (tabular.getVAlignment(cell)) {
4400                                 case Tabular::LYX_VALIGN_TOP:
4401                                         break;
4402                                 case Tabular::LYX_VALIGN_MIDDLE:
4403                                         offset = -(dim0.des - lastpardes)/2;
4404                                         break;
4405                                 case Tabular::LYX_VALIGN_BOTTOM:
4406                                         offset = -(dim0.des - lastpardes);
4407                                         break;
4408                         }
4409                         tabular.cell_info[r][c].voffset = offset;
4410                         maxasc = max(maxasc, dim0.asc - offset);
4411                         maxdes = max(maxdes, dim0.des + offset);
4412                 }
4413                 int const top_space = tabular.row_info[r].top_space_default ?
4414                     default_line_space :
4415                     mi.base.inPixels(tabular.row_info[r].top_space);
4416                 tabular.setRowAscent(r, maxasc + ADD_TO_HEIGHT + top_space);
4417                 int const bottom_space = tabular.row_info[r].bottom_space_default ?
4418                     default_line_space :
4419                     mi.base.inPixels(tabular.row_info[r].bottom_space);
4420                 tabular.setRowDescent(r, maxdes + ADD_TO_HEIGHT + bottom_space);
4421         }
4422
4423         // We need to recalculate the metrics after column width calculation
4424         // with xtabular (possibly multiple times, so the call is recursive).
4425         if (tabular.updateColumnWidths(mi) && tabular.hasVarwidthColumn())
4426                 metrics(mi, dim);
4427         dim.asc = tabular.rowAscent(0) - tabular.offsetVAlignment();
4428         dim.des = tabular.height() - dim.asc;
4429         dim.wid = tabular.width() + 2 * ADD_TO_TABULAR_WIDTH;
4430 }
4431
4432
4433 bool InsetTabular::isCellSelected(Cursor & cur, row_type row, col_type col) const
4434 {
4435         if (&cur.inset() == this && cur.selection()) {
4436                 if (cur.selIsMultiCell()) {
4437                         row_type rs, re;
4438                         col_type cs, ce;
4439                         getSelection(cur, rs, re, cs, ce);
4440
4441                         idx_type const cell = tabular.cellIndex(row, col);
4442                         col_type const cspan = tabular.columnSpan(cell);
4443                         row_type const rspan = tabular.rowSpan(cell);
4444                         if (col + cspan - 1 >= cs && col <= ce
4445                                 && row + rspan - 1 >= rs && row <= re)
4446                                 return true;
4447                 } else
4448                         if (col == tabular.cellColumn(cur.idx())
4449                                 && row == tabular.cellRow(cur.idx())) {
4450                         CursorSlice const & beg = cur.selBegin();
4451                         CursorSlice const & end = cur.selEnd();
4452
4453                         if ((end.lastpos() > 0 || end.lastpit() > 0)
4454                                   && end.pos() == end.lastpos() && beg.pos() == 0
4455                                   && end.pit() == end.lastpit() && beg.pit() == 0)
4456                                 return true;
4457                 }
4458         }
4459         return false;
4460 }
4461
4462
4463 void InsetTabular::draw(PainterInfo & pi, int x, int y) const
4464 {
4465         x += ADD_TO_TABULAR_WIDTH;
4466
4467         BufferView * bv = pi.base.bv;
4468         Cursor & cur = pi.base.bv->cursor();
4469
4470         // FIXME: As the full background is painted in drawBackground(),
4471         // we have no choice but to do a full repaint for the Text cells.
4472         pi.full_repaint = true;
4473
4474         bool const original_selection_state = pi.selected;
4475
4476         idx_type idx = 0;
4477
4478         // Save tabular change status
4479         Change tab_change = pi.change;
4480
4481         int yy = y + tabular.offsetVAlignment();
4482         for (row_type r = 0; r < tabular.nrows(); ++r) {
4483                 int nx = x;
4484                 for (col_type c = 0; c < tabular.ncols(); ++c) {
4485                         if (tabular.isPartOfMultiColumn(r, c))
4486                                 continue;
4487
4488                         idx = tabular.cellIndex(r, c);
4489
4490                         if (tabular.isPartOfMultiRow(r, c)) {
4491                                 nx += tabular.cellWidth(idx);
4492                                 continue;
4493                         }
4494
4495                         pi.selected |= isCellSelected(cur, r, c);
4496
4497                         // Mark deleted rows/columns
4498                         if (tabular.column_info[c].change.changed())
4499                                 pi.change = tabular.column_info[c].change;
4500                         else if (tabular.row_info[r].change.changed())
4501                                 pi.change = tabular.row_info[r].change;
4502                         else
4503                                 pi.change = tab_change;
4504
4505                         int const cx = nx + tabular.textHOffset(idx);
4506                         int const cy = yy + tabular.textVOffset(idx);
4507                         // Cache the Inset position.
4508                         bv->coordCache().insets().add(cell(idx).get(), cx, cy);
4509                         cell(idx)->draw(pi, cx, cy);
4510                         drawCellLines(pi, nx, yy, r, idx);
4511                         nx += tabular.cellWidth(idx);
4512                         pi.selected = original_selection_state;
4513                 }
4514
4515                 if (r + 1 < tabular.nrows())
4516                         yy += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
4517                                 + tabular.interRowSpace(r + 1);
4518         }
4519 }
4520
4521
4522 void InsetTabular::drawBackground(PainterInfo & pi, int x, int y) const
4523 {
4524         x += ADD_TO_TABULAR_WIDTH;
4525         y += tabular.offsetVAlignment() - tabular.rowAscent(0);
4526         pi.pain.fillRectangle(x, y, tabular.width(), tabular.height(),
4527                 pi.backgroundColor(this));
4528 }
4529
4530
4531 void InsetTabular::drawSelection(PainterInfo & pi, int x, int y) const
4532 {
4533         Cursor & cur = pi.base.bv->cursor();
4534
4535         x += ADD_TO_TABULAR_WIDTH;
4536
4537         if (!cur.selection())
4538                 return;
4539         if (&cur.inset() != this)
4540                 return;
4541
4542         //resetPos(cur);
4543
4544         bool const full_cell_selected = isCellSelected(cur,
4545                 tabular.cellRow(cur.idx()), tabular.cellColumn(cur.idx()));
4546
4547         if (cur.selIsMultiCell() || full_cell_selected) {
4548                 for (row_type r = 0; r < tabular.nrows(); ++r) {
4549                         int xx = x;
4550                         for (col_type c = 0; c < tabular.ncols(); ++c) {
4551                                 if (tabular.isPartOfMultiColumn(r, c))
4552                                         continue;
4553
4554                                 idx_type const cell = tabular.cellIndex(r, c);
4555
4556                                 if (tabular.isPartOfMultiRow(r, c)) {
4557                                         xx += tabular.cellWidth(cell);
4558                                         continue;
4559                                 }
4560                                 int const w = tabular.cellWidth(cell);
4561                                 int const h = tabular.cellHeight(cell);
4562                                 int const yy = y - tabular.rowAscent(r) + tabular.offsetVAlignment();
4563                                 if (isCellSelected(cur, r, c))
4564                                         pi.pain.fillRectangle(xx, yy, w, h, Color_selection);
4565                                 xx += w;
4566                         }
4567                         if (r + 1 < tabular.nrows())
4568                                 y += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
4569                                      + tabular.interRowSpace(r + 1);
4570                 }
4571
4572         }
4573         // FIXME: This code has no effect because InsetTableCell does not handle
4574         // drawSelection other than the trivial implementation in Inset.
4575         //else {
4576         //      x += cellXPos(cur.idx());
4577         //      x += tabular.textHOffset(cur.idx());
4578         //      cell(cur.idx())->drawSelection(pi, x, 0 /* ignored */);
4579         //}
4580 }
4581
4582
4583 namespace {
4584
4585 void tabline(PainterInfo const & pi, int x1, int y1, int x2, int y2, int lt, int rt,
4586              Color const incol, bool drawline, bool heavy = false)
4587 {
4588         Color const col = drawline ? incol : Color_tabularonoffline;
4589         if (drawline && lt > 0)
4590                 pi.pain.line(x1, y1, x1 + lt, y2, pi.textColor(Color_tabularonoffline),
4591                                          Painter::line_onoffdash,
4592                                          Painter::thin_line);
4593         pi.pain.line(x1 + lt, y1, x2 - rt, y2, pi.textColor(col),
4594                                  drawline ? Painter::line_solid : Painter::line_onoffdash,
4595                                  (heavy ? 2 : 1) * Painter::thin_line);
4596         if (drawline && rt > 0)
4597                 pi.pain.line(x2 - rt, y1, x2, y2, pi.textColor(Color_tabularonoffline),
4598                                          Painter::line_onoffdash,
4599                                          Painter::thin_line);
4600 }
4601
4602 }
4603
4604
4605 void InsetTabular::drawCellLines(PainterInfo & pi, int x, int y,
4606                                  row_type row, idx_type cell) const
4607 {
4608         y -= tabular.rowAscent(row);
4609         int const w = tabular.cellWidth(cell);
4610         int const h = tabular.cellHeight(cell);
4611         int lt = 0;
4612         int rt = 0;
4613
4614         col_type const col = tabular.cellColumn(cell);
4615
4616         // Colour the frame if rows/columns are added or deleted
4617         Color colour = Color_tabularline;
4618         if (tabular.column_info[col].change.changed()
4619             || tabular.row_info[row].change.changed())
4620                 colour = InsetTableCell(*tabular.cellInset(cell)).paragraphs().front().lookupChange(0).color();
4621
4622         // Top
4623         bool drawline = tabular.topLine(cell)
4624                 || (row > 0 && tabular.bottomLine(tabular.cellAbove(cell)));
4625         bool heavy = tabular.use_booktabs
4626                         && (row == 0 || (tabular.is_long_tabular && row == 1 && tabular.ltCaption(0)))
4627                         && tabular.rowTopLine(row);
4628         if (tabular.topLineTrim(cell).first
4629             || (row > 0 && tabular.bottomLineTrim(tabular.cellIndex(row - 1, col)).first))
4630                 lt = 10;
4631         if (tabular.topLineTrim(cell).second
4632             || (row > 0 && tabular.bottomLineTrim(tabular.cellIndex(row - 1, col)).second))
4633                 rt = 10;
4634         tabline(pi, x, y, x + w, y, lt, rt, colour, drawline, heavy);
4635
4636         // Bottom
4637         lt = rt = 0;
4638         drawline = tabular.bottomLine(cell);
4639         row_type const lastrow = tabular.nrows() - 1;
4640         // Consider multi-rows
4641         row_type r = row;
4642         while (r < lastrow && tabular.isMultiRow(tabular.cellIndex(r, col))
4643                 && tabular.isPartOfMultiRow(r + 1, col))
4644                 r++;
4645         heavy = tabular.use_booktabs
4646                 && ((row == lastrow && tabular.rowBottomLine(row))
4647                     || (r == lastrow && tabular.rowBottomLine(r)));
4648         if (tabular.bottomLineTrim(cell).first)
4649                 lt = 10;
4650         if (tabular.bottomLineTrim(cell).second)
4651                 rt = 10;
4652         tabline(pi, x, y + h, x + w, y + h, lt, rt, colour, drawline, heavy);
4653
4654         // Left
4655         drawline = tabular.leftLine(cell)
4656                 || (col > 0 && tabular.rightLine(tabular.cellIndex(row, col - 1)));
4657         tabline(pi, x, y, x, y + h, 0, 0, colour, drawline);
4658
4659         // Right
4660         x -= tabular.interColumnSpace(cell);
4661         col_type next_cell_col = col + 1;
4662         while (next_cell_col < tabular.ncols()
4663                 && tabular.isMultiColumn(tabular.cellIndex(row, next_cell_col)))
4664                 next_cell_col++;
4665         drawline = tabular.rightLine(cell)
4666                    || (next_cell_col < tabular.ncols()
4667                        && tabular.leftLine(tabular.cellIndex(row, next_cell_col)));
4668         tabline(pi, x + w, y, x + w, y + h, 0, 0, colour, drawline);
4669 }
4670
4671
4672 void InsetTabular::edit(Cursor & cur, bool front, EntryDirection)
4673 {
4674         //lyxerr << "InsetTabular::edit: " << this << endl;
4675         cur.finishUndo();
4676         cur.push(*this);
4677         if (front) {
4678                 if (isRightToLeft(cur))
4679                         cur.idx() = tabular.getLastCellInRow(0);
4680                 else
4681                         cur.idx() = 0;
4682                 cur.pit() = 0;
4683                 cur.pos() = 0;
4684         } else {
4685                 if (isRightToLeft(cur))
4686                         cur.idx() = tabular.getFirstCellInRow(tabular.nrows() - 1);
4687                 else
4688                         cur.idx() = tabular.numberofcells - 1;
4689                 cur.pit() = 0;
4690                 cur.pos() = cur.lastpos(); // FIXME crude guess
4691         }
4692         cur.setCurrentFont();
4693         // FIXME: this accesses the position cache before it is initialized
4694         //cur.bv().fitCursor();
4695 }
4696
4697
4698 void InsetTabular::updateBuffer(ParIterator const & it, UpdateType utype)
4699 {
4700         // In a longtable, tell captions what the current float is
4701         Counters & cnts = buffer().masterBuffer()->params().documentClass().counters();
4702         string const saveflt = cnts.current_float();
4703         if (tabular.is_long_tabular) {
4704                 cnts.current_float("table");
4705                 // in longtables, we only step the counter once
4706                 cnts.step(from_ascii("table"), utype);
4707                 cnts.isLongtable(true);
4708         }
4709
4710         ParIterator it2 = it;
4711         it2.forwardPos();
4712         size_t const end = it2.nargs();
4713         for ( ; it2.idx() < end; it2.top().forwardIdx())
4714                 buffer().updateBuffer(it2, utype);
4715
4716         //reset afterwards
4717         if (tabular.is_long_tabular) {
4718                 cnts.current_float(saveflt);
4719                 cnts.isLongtable(false);
4720         }
4721 }
4722
4723
4724 void InsetTabular::addToToc(DocIterator const & cpit, bool output_active,
4725                                                         UpdateType utype, TocBackend & backend) const
4726 {
4727         DocIterator dit = cpit;
4728         dit.forwardPos();
4729         size_t const end = dit.nargs();
4730         for ( ; dit.idx() < end; dit.top().forwardIdx())
4731                 cell(dit.idx())->addToToc(dit, output_active, utype, backend);
4732 }
4733
4734
4735 bool InsetTabular::hitSelectRow(BufferView const & bv, int x) const
4736 {
4737         int const x0 = xo(bv) + ADD_TO_TABULAR_WIDTH;
4738         return x < x0 || x > x0 + tabular.width();
4739 }
4740
4741
4742 bool InsetTabular::hitSelectColumn(BufferView const & bv, int y) const
4743 {
4744         int const y0 = yo(bv) - tabular.rowAscent(0) + tabular.offsetVAlignment();
4745         // FIXME: using ADD_TO_TABULAR_WIDTH is not really correct since
4746         // there is no margin added vertically to tabular insets.
4747         // However, it works for now.
4748         return y < y0 + ADD_TO_TABULAR_WIDTH || y > y0 + tabular.height() - ADD_TO_TABULAR_WIDTH;
4749 }
4750
4751
4752 bool InsetTabular::clickable(BufferView const & bv, int x, int y) const
4753 {
4754         return hitSelectRow(bv, x) || hitSelectColumn(bv, y);
4755 }
4756
4757
4758 void InsetTabular::doDispatch(Cursor & cur, FuncRequest & cmd)
4759 {
4760         LYXERR(Debug::DEBUG, "# InsetTabular::doDispatch: cmd: " << cmd
4761                              << "\n  cur:" << cur);
4762         CursorSlice sl = cur.top();
4763         Cursor & bvcur = cur.bv().cursor();
4764
4765         FuncCode const act = cmd.action();
4766
4767         switch (act) {
4768
4769         case LFUN_MOUSE_PRESS: {
4770                 //lyxerr << "# InsetTabular::MousePress\n" << cur.bv().cursor() << endl;
4771                 // select row
4772                 if (hitSelectRow(cur.bv(), cmd.x())) {
4773                         row_type r = rowFromY(cur, cmd.y());
4774                         cur.idx() = tabular.getFirstCellInRow(r);
4775                         cur.pit() = 0;
4776                         cur.pos() = 0;
4777                         cur.resetAnchor();
4778                         cur.idx() = tabular.getLastCellInRow(r);
4779                         cur.pit() = cur.lastpit();
4780                         cur.pos() = cur.lastpos();
4781                         cur.selection(true);
4782                         bvcur = cur;
4783                         rowselect_ = true;
4784                         break;
4785                 }
4786                 // select column
4787                 if (hitSelectColumn(cur.bv(), cmd.y())) {
4788                         col_type c = columnFromX(cur, cmd.x());
4789                         cur.idx() = tabular.cellIndex(0, c);
4790                         cur.pit() = 0;
4791                         cur.pos() = 0;
4792                         cur.resetAnchor();
4793                         cur.idx() = tabular.cellIndex(tabular.nrows() - 1, c);
4794                         cur.pit() = cur.lastpit();
4795                         cur.pos() = cur.lastpos();
4796                         cur.selection(true);
4797                         bvcur = cur;
4798                         colselect_ = true;
4799                         break;
4800                 }
4801                 // do not reset cursor/selection if we have selected
4802                 // some cells (bug 2715).
4803                 if (cmd.button() == mouse_button::button3
4804                     && &bvcur.selBegin().inset() == this
4805                     && bvcur.selIsMultiCell())
4806                         ;
4807                 else
4808                         // Let InsetTableCell do it
4809                         cell(cur.idx())->dispatch(cur, cmd);
4810                 break;
4811         }
4812         case LFUN_MOUSE_MOTION:
4813                 //lyxerr << "# InsetTabular::MouseMotion\n" << bvcur << endl;
4814                 if (cmd.button() == mouse_button::button1) {
4815                         // only accept motions to places not deeper nested than the real anchor
4816                         if (!bvcur.realAnchor().hasPart(cur)) {
4817                                 cur.undispatched();
4818                                 break;
4819                         }
4820                         // select (additional) row
4821                         if (rowselect_) {
4822                                 row_type r = rowFromY(cur, cmd.y());
4823                                 cur.idx() = tabular.getLastCellInRow(r);
4824                                 // we need to reset the cursor's pit and pos now, as the old ones
4825                                 // may no longer be valid.
4826                                 cur.pit() = 0;
4827                                 cur.pos() = 0;
4828                                 bvcur.setCursor(cur);
4829                                 bvcur.selection(true);
4830                                 break;
4831                         }
4832                         // select (additional) column
4833                         if (colselect_) {
4834                                 col_type c = columnFromX(cur, cmd.x());
4835                                 cur.idx() = tabular.cellIndex(tabular.nrows() - 1, c);
4836                                 // we need to reset the cursor's pit and pos now, as the old ones
4837                                 // may no longer be valid.
4838                                 cur.pit() = 0;
4839                                 cur.pos() = 0;
4840                                 bvcur.setCursor(cur);
4841                                 bvcur.selection(true);
4842                                 break;
4843                         }
4844                         // only update if selection changes
4845                         if (bvcur.idx() == cur.idx() &&
4846                                 !(bvcur.realAnchor().idx() == cur.idx() && bvcur.pos() != cur.pos()))
4847                                 cur.noScreenUpdate();
4848                         setCursorFromCoordinates(cur, cmd.x(), cmd.y());
4849                         bvcur.setCursor(cur);
4850                         bvcur.selection(true);
4851                         // if this is a multicell selection, we just set the cursor to
4852                         // the beginning of the cell's text.
4853                         if (bvcur.selIsMultiCell()) {
4854                                 bvcur.pit() = bvcur.lastpit();
4855                                 bvcur.pos() = bvcur.lastpos();
4856                         }
4857                 }
4858                 break;
4859
4860         case LFUN_MOUSE_RELEASE:
4861                 rowselect_ = false;
4862                 colselect_ = false;
4863                 break;
4864
4865         case LFUN_CELL_BACKWARD:
4866                 movePrevCell(cur);
4867                 cur.selection(false);
4868                 break;
4869
4870         case LFUN_CELL_FORWARD:
4871                 moveNextCell(cur);
4872                 cur.selection(false);
4873                 break;
4874
4875         case LFUN_CHAR_FORWARD_SELECT:
4876         case LFUN_CHAR_FORWARD:
4877         case LFUN_CHAR_BACKWARD_SELECT:
4878         case LFUN_CHAR_BACKWARD:
4879         case LFUN_CHAR_RIGHT_SELECT:
4880         case LFUN_CHAR_RIGHT:
4881         case LFUN_CHAR_LEFT_SELECT:
4882         case LFUN_CHAR_LEFT:
4883         case LFUN_WORD_FORWARD:
4884         case LFUN_WORD_FORWARD_SELECT:
4885         case LFUN_WORD_BACKWARD:
4886         case LFUN_WORD_BACKWARD_SELECT:
4887         case LFUN_WORD_RIGHT:
4888         case LFUN_WORD_RIGHT_SELECT:
4889         case LFUN_WORD_LEFT:
4890         case LFUN_WORD_LEFT_SELECT: {
4891                 // determine whether we move to next or previous cell, where to enter
4892                 // the new cell from, and which command to "finish" (i.e., exit the
4893                 // inset) with:
4894                 bool next_cell;
4895                 EntryDirection entry_from = ENTRY_DIRECTION_IGNORE;
4896                 FuncCode finish_lfun;
4897
4898                 if (act == LFUN_CHAR_FORWARD
4899                                 || act == LFUN_CHAR_FORWARD_SELECT
4900                                 || act == LFUN_WORD_FORWARD
4901                                 || act == LFUN_WORD_FORWARD_SELECT) {
4902                         next_cell = true;
4903                         finish_lfun = LFUN_FINISHED_FORWARD;
4904                 }
4905                 else if (act == LFUN_CHAR_BACKWARD
4906                                 || act == LFUN_CHAR_BACKWARD_SELECT
4907                                 || act == LFUN_WORD_BACKWARD
4908                                 || act == LFUN_WORD_BACKWARD_SELECT) {
4909                         next_cell = false;
4910                         finish_lfun = LFUN_FINISHED_BACKWARD;
4911                 }
4912                 // LEFT or RIGHT commands --- the interpretation will depend on the
4913                 // table's direction.
4914                 else {
4915                         bool const right = act == LFUN_CHAR_RIGHT
4916                                 || act == LFUN_CHAR_RIGHT_SELECT
4917                                 || act == LFUN_WORD_RIGHT
4918                                 || act == LFUN_WORD_RIGHT_SELECT;
4919                         next_cell = isRightToLeft(cur) != right;
4920
4921                         if (lyxrc.visual_cursor)
4922                                 entry_from = right ? ENTRY_DIRECTION_LEFT:ENTRY_DIRECTION_RIGHT;
4923
4924                         finish_lfun = right ? LFUN_FINISHED_RIGHT : LFUN_FINISHED_LEFT;
4925                 }
4926
4927                 bool const select =     act == LFUN_CHAR_FORWARD_SELECT
4928                     || act == LFUN_CHAR_BACKWARD_SELECT
4929                     || act == LFUN_CHAR_RIGHT_SELECT
4930                     || act == LFUN_CHAR_LEFT_SELECT
4931                         || act == LFUN_WORD_FORWARD_SELECT
4932                         || act == LFUN_WORD_RIGHT_SELECT
4933                         || act == LFUN_WORD_BACKWARD_SELECT
4934                         || act == LFUN_WORD_LEFT_SELECT;
4935
4936                 // If we have a multicell selection or we're
4937                 // not doing some LFUN_*_SELECT thing anyway...
4938                 if (!cur.selIsMultiCell() || !select) {
4939                         col_type const c = tabular.cellColumn(cur.idx());
4940                         row_type const r = tabular.cellRow(cur.idx());
4941                         // Are we trying to select the whole cell and is the whole cell
4942                         // not yet selected?
4943                         bool const select_whole = select && !isCellSelected(cur, r, c) &&
4944                                 ((next_cell && cur.pit() == cur.lastpit()
4945                                 && cur.pos() == cur.lastpos())
4946                                 || (!next_cell && cur.pit() == 0 && cur.pos() == 0));
4947
4948                         bool const empty_cell = cur.lastpos() == 0 && cur.lastpit() == 0;
4949
4950                         // ...try to dispatch to the cell's inset.
4951                         cell(cur.idx())->dispatch(cur, cmd);
4952
4953                         // When we already have a selection we want to select the whole cell
4954                         // before going to the next cell.
4955                         if (select_whole && !empty_cell){
4956                                 getText(cur.idx())->selectAll(cur);
4957                                 cur.dispatched();
4958                                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
4959                                 break;
4960                         }
4961
4962                         // FIXME: When we support the selection of an empty cell, remove
4963                         // the !empty_cell from this condition. For now we jump to the next
4964                         // cell if the current cell is empty.
4965                         if (cur.result().dispatched() && !empty_cell)
4966                                 break;
4967                 }
4968
4969                 // move to next/prev cell, as appropriate
4970                 // note that we will always do this if we're selecting and we have
4971                 // a multicell selection
4972                 LYXERR(Debug::RTL, "entering " << (next_cell ? "next" : "previous")
4973                         << " cell from: " << int(entry_from));
4974                 if (next_cell)
4975                         moveNextCell(cur, entry_from);
4976                 else
4977                         movePrevCell(cur, entry_from);
4978                 // if we're exiting the table, call the appropriate FINISHED lfun
4979                 if (sl == cur.top()) {
4980                         cmd = FuncRequest(finish_lfun);
4981                         cur.undispatched();
4982                 } else
4983                         cur.dispatched();
4984
4985                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
4986                 break;
4987
4988         }
4989
4990         case LFUN_DOWN_SELECT:
4991         case LFUN_DOWN:
4992                 if (!(cur.selection() && cur.selIsMultiCell()))
4993                         cell(cur.idx())->dispatch(cur, cmd);
4994
4995                 cur.dispatched(); // override the cell's decision
4996                 if (sl == cur.top()) {
4997                         // if our Text didn't do anything to the cursor
4998                         // then we try to put the cursor into the cell below
4999                         // setting also the right targetX.
5000                         cur.selHandle(act == LFUN_DOWN_SELECT);
5001                         if (tabular.cellRow(cur.idx()) != tabular.nrows() - 1) {
5002                                 int const xtarget = cur.targetX();
5003                                 // WARNING: Once cur.idx() has been reset, the cursor is in
5004                                 // an inconsistent state until pos() has been set. Be careful
5005                                 // what you do with it!
5006                                 cur.idx() = tabular.cellBelow(cur.idx());
5007                                 cur.pit() = 0;
5008                                 TextMetrics const & tm =
5009                                         cur.bv().textMetrics(cell(cur.idx())->getText(0));
5010                                 cur.pos() = tm.x2pos(cur.pit(), 0, xtarget);
5011                                 cur.setCurrentFont();
5012                         }
5013                 }
5014                 if (sl == cur.top()) {
5015                         // we trick it to go to forward after leaving the
5016                         // tabular.
5017                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
5018                         cur.undispatched();
5019                 }
5020                 if (cur.selIsMultiCell()) {
5021                         cur.pit() = cur.lastpit();
5022                         cur.pos() = cur.lastpos();
5023                         cur.setCurrentFont();
5024                         cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5025                         return;
5026                 }
5027                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5028                 break;
5029
5030         case LFUN_UP_SELECT:
5031         case LFUN_UP:
5032                 if (!(cur.selection() && cur.selIsMultiCell()))
5033                         cell(cur.idx())->dispatch(cur, cmd);
5034                 cur.dispatched(); // override the cell's decision
5035                 if (sl == cur.top()) {
5036                         // if our Text didn't do anything to the cursor
5037                         // then we try to put the cursor into the cell above
5038                         // setting also the right targetX.
5039                         cur.selHandle(act == LFUN_UP_SELECT);
5040                         if (tabular.cellRow(cur.idx()) != 0) {
5041                                 int const xtarget = cur.targetX();
5042                                 // WARNING: Once cur.idx() has been reset, the cursor is in
5043                                 // an inconsistent state until pos() has been set. Be careful
5044                                 // what you do with it!
5045                                 cur.idx() = tabular.cellAbove(cur.idx());
5046                                 cur.pit() = cur.lastpit();
5047                                 Text const * text = cell(cur.idx())->getText(0);
5048                                 TextMetrics const & tm = cur.bv().textMetrics(text);
5049                                 ParagraphMetrics const & pm =
5050                                         tm.parMetrics(cur.lastpit());
5051                                 cur.pos() = tm.x2pos(cur.pit(), pm.rows().size()-1, xtarget);
5052                                 cur.setCurrentFont();
5053                         }
5054                 }
5055                 if (sl == cur.top()) {
5056                         cmd = FuncRequest(LFUN_UP);
5057                         cur.undispatched();
5058                 }
5059                 if (cur.selIsMultiCell()) {
5060                         cur.pit() = 0;
5061                         cur.pos() = cur.lastpos();
5062                         cur.setCurrentFont();
5063                         cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5064                         return;
5065                 }
5066                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5067                 break;
5068
5069         case LFUN_LAYOUT_TABULAR:
5070                 cur.bv().showDialog("tabular");
5071                 break;
5072
5073         case LFUN_INSET_MODIFY:
5074                 // we come from the dialog
5075                 if (cmd.getArg(0) == "tabular")
5076                         tabularFeatures(cur, cmd.getLongArg(1));
5077                 else
5078                         cur.undispatched();
5079                 break;
5080
5081         case LFUN_TABULAR_FEATURE:
5082                 tabularFeatures(cur, to_utf8(cmd.argument()));
5083                 break;
5084
5085         // insert file functions
5086         case LFUN_FILE_INSERT_PLAINTEXT_PARA:
5087         case LFUN_FILE_INSERT_PLAINTEXT:
5088                 // FIXME UNICODE
5089                 if (FileName::isAbsolute(to_utf8(cmd.argument()))) {
5090                         docstring const tmpstr = cur.bv().contentsOfPlaintextFile(
5091                                 FileName(to_utf8(cmd.argument())));
5092                         if (tmpstr.empty())
5093                                 break;
5094                         cur.recordUndoInset();
5095                         if (insertPlaintextString(cur.bv(), tmpstr, false)) {
5096                                 // content has been replaced,
5097                                 // so cursor might be invalid
5098                                 cur.pos() = cur.lastpos();
5099                                 cur.pit() = cur.lastpit();
5100                                 bvcur.setCursor(cur);
5101                         } else
5102                                 cur.undispatched();
5103                 }
5104                 break;
5105
5106         case LFUN_CUT:
5107                 if (cur.selIsMultiCell()) {
5108                         if (copySelection(cur)) {
5109                                 cur.recordUndoInset();
5110                                 cutSelection(cur);
5111                         }
5112                 } else
5113                         cell(cur.idx())->dispatch(cur, cmd);
5114                 break;
5115
5116         case LFUN_SELF_INSERT:
5117                 if (cur.selIsMultiCell()) {
5118                         cur.recordUndoInset();
5119                         cutSelection(cur);
5120                         BufferView * bv = &cur.bv();
5121                         docstring::const_iterator cit = cmd.argument().begin();
5122                         docstring::const_iterator const end = cmd.argument().end();
5123                         for (; cit != end; ++cit)
5124                                 bv->translateAndInsert(*cit, getText(cur.idx()), cur);
5125
5126                         cur.resetAnchor();
5127                         bv->bookmarkEditPosition();
5128                 } else
5129                         cell(cur.idx())->dispatch(cur, cmd);
5130                 break;
5131
5132         case LFUN_CHAR_DELETE_BACKWARD:
5133         case LFUN_CHAR_DELETE_FORWARD:
5134                 if (cur.selIsMultiCell()) {
5135                         cur.recordUndoInset();
5136                         cutSelection(cur);
5137                 } else
5138                         cell(cur.idx())->dispatch(cur, cmd);
5139                 break;
5140
5141         case LFUN_COPY:
5142                 if (!cur.selection())
5143                         break;
5144                 if (cur.selIsMultiCell()) {
5145                         cur.finishUndo();
5146                         copySelection(cur);
5147                 } else
5148                         cell(cur.idx())->dispatch(cur, cmd);
5149                 break;
5150
5151         case LFUN_CLIPBOARD_PASTE:
5152         case LFUN_PRIMARY_SELECTION_PASTE: {
5153                 docstring const clip = (act == LFUN_CLIPBOARD_PASTE) ?
5154                         theClipboard().getAsText(Clipboard::PlainTextType) :
5155                         theSelection().get();
5156                 if (clip.empty())
5157                         break;
5158                 // pass to InsertPlaintextString, but
5159                 // only if we have multi-cell content
5160                 if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
5161                         cur.recordUndoInset();
5162                         if (insertPlaintextString(cur.bv(), clip, false)) {
5163                                 // content has been replaced,
5164                                 // so cursor might be invalid
5165                                 cur.pos() = cur.lastpos();
5166                                 cur.pit() = cur.lastpit();
5167                                 bvcur.setCursor(cur);
5168                                 break;
5169                         }
5170                 }
5171                 // Let the cell handle normal text
5172                 cell(cur.idx())->dispatch(cur, cmd);
5173                 break;
5174         }
5175
5176         case LFUN_PASTE:
5177                 if (!tabularStackDirty()) {
5178                         // Check if we have plain text or HTML with rows/columns.
5179                         // and if so, pass over to LFUN_CLIPBOARD_PASTE
5180                         if (theClipboard().hasTextContents(Clipboard::AnyTextType)
5181                             && !theClipboard().hasTextContents(Clipboard::LyXTextType)) {
5182                                 docstring const clip =
5183                                         theClipboard().getAsText(Clipboard::AnyTextType);
5184                                 if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
5185                                         FuncRequest ncmd = FuncRequest(LFUN_CLIPBOARD_PASTE, cmd.argument());
5186                                         doDispatch(cur, ncmd);
5187                                         break;
5188                                 }
5189                         }
5190                         if (!cur.selIsMultiCell())
5191                                 cell(cur.idx())->dispatch(cur, cmd);
5192                         break;
5193                 }
5194                 if (theClipboard().isInternal()) {
5195                         cur.recordUndoInset();
5196                         pasteClipboard(cur);
5197                 }
5198                 break;
5199
5200         case LFUN_CHANGE_ACCEPT:
5201         case LFUN_CHANGE_REJECT:
5202         case LFUN_FONT_EMPH:
5203         case LFUN_FONT_BOLD:
5204         case LFUN_FONT_BOLDSYMBOL:
5205         case LFUN_FONT_ROMAN:
5206         case LFUN_FONT_NOUN:
5207         case LFUN_FONT_ITAL:
5208         case LFUN_FONT_FRAK:
5209         case LFUN_FONT_TYPEWRITER:
5210         case LFUN_FONT_SANS:
5211         case LFUN_TEXTSTYLE_APPLY:
5212         case LFUN_TEXTSTYLE_UPDATE:
5213         case LFUN_FONT_SIZE:
5214         case LFUN_FONT_UNDERLINE:
5215         case LFUN_FONT_STRIKEOUT:
5216         case LFUN_FONT_CROSSOUT:
5217         case LFUN_FONT_UNDERUNDERLINE:
5218         case LFUN_FONT_UNDERWAVE:
5219         case LFUN_LANGUAGE:
5220         case LFUN_PARAGRAPH_PARAMS_APPLY:
5221         case LFUN_PARAGRAPH_PARAMS:
5222         case LFUN_WORD_CAPITALIZE:
5223         case LFUN_WORD_UPCASE:
5224         case LFUN_WORD_LOWCASE:
5225         case LFUN_CHARS_TRANSPOSE: {
5226                 bool const ct = (act == LFUN_CHANGE_ACCEPT || act == LFUN_CHANGE_REJECT);
5227                 if (cur.selIsMultiCell()) {
5228                         row_type rs, re;
5229                         col_type cs, ce;
5230                         getSelection(cur, rs, re, cs, ce);
5231                         Cursor tmpcur = cur;
5232                         for (row_type r = rs; r <= re; ++r) {
5233                                 if (ct && cs == 0 && ce == tabular.ncols() - 1) {
5234                                         // whole row selected
5235                                         if (act == LFUN_CHANGE_ACCEPT) {
5236                                                 if (tabular.row_info[r].change.inserted())
5237                                                         tabular.row_info[r].change.setUnchanged();
5238                                                 else if (tabular.row_info[r].change.deleted()) {
5239                                                         tabular.deleteRow(r, true);
5240                                                         --re;
5241                                                         continue;
5242                                                 }
5243                                         } else {
5244                                                 if (tabular.row_info[r].change.deleted())
5245                                                         tabular.row_info[r].change.setUnchanged();
5246                                                 else if (tabular.row_info[r].change.inserted()) {
5247                                                         tabular.deleteRow(r, true);
5248                                                         --re;
5249                                                         continue;
5250                                                 }
5251                                         }
5252                                 }
5253                                 for (col_type c = cs; c <= ce; ++c) {
5254                                         if (ct && rs == 0 && re == tabular.nrows() - 1) {
5255                                                 // whole col selected
5256                                                 if (act == LFUN_CHANGE_ACCEPT) {
5257                                                         if (tabular.column_info[c].change.inserted())
5258                                                                 tabular.column_info[c].change.setUnchanged();
5259                                                         else if (tabular.column_info[c].change.deleted()) {
5260                                                                 tabular.deleteColumn(c, true);
5261                                                                 --ce;
5262                                                                 continue;
5263                                                         }
5264                                                 } else {
5265                                                         if (tabular.column_info[c].change.deleted())
5266                                                                 tabular.column_info[c].change.setUnchanged();
5267                                                         else if (tabular.column_info[c].change.inserted()) {
5268                                                                 tabular.deleteColumn(c, true);
5269                                                                 --ce;
5270                                                                 continue;
5271                                                         }
5272                                                 }
5273                                         }
5274                                         // cursor follows cell:
5275                                         tmpcur.idx() = tabular.cellIndex(r, c);
5276                                         // select this cell only:
5277                                         tmpcur.pit() = 0;
5278                                         tmpcur.pos() = 0;
5279                                         tmpcur.resetAnchor();
5280                                         tmpcur.pit() = tmpcur.lastpit();
5281                                         tmpcur.pos() = tmpcur.top().lastpos();
5282                                         tmpcur.setCursor(tmpcur);
5283                                         tmpcur.setSelection();
5284                                         cell(tmpcur.idx())->dispatch(tmpcur, cmd);
5285                                 }
5286                         }
5287                         if (ct) {
5288                                 tabular.updateIndexes();
5289                                 // cursor might be invalid
5290                                 cur.fixIfBroken();
5291                                 // change bar might need to be redrawn
5292                                 cur.screenUpdateFlags(Update::Force);
5293                                 cur.forceBufferUpdate();
5294                         }
5295                         break;
5296                 } else {
5297                         cell(cur.idx())->dispatch(cur, cmd);
5298                         break;
5299                 }
5300         }
5301
5302         case LFUN_CHANGE_NEXT:
5303         case LFUN_CHANGE_PREVIOUS: {
5304                 // BufferView::dispatch has already moved the cursor, we just
5305                 // need to select here if we have a changed row or column
5306                 if (tabular.row_info[tabular.cellRow(cur.idx())].change.changed()) {
5307                         // select row
5308                         cur.idx() = tabular.getFirstCellInRow(tabular.cellRow(cur.idx()));
5309                         cur.pit() = 0;
5310                         cur.pos() = 0;
5311                         cur.resetAnchor();
5312                         cur.idx() = tabular.getLastCellInRow(tabular.cellRow(cur.idx()));
5313                         cur.pit() = cur.lastpit();
5314                         cur.pos() = cur.lastpos();
5315                         cur.selection(true);
5316                         bvcur = cur;
5317                         rowselect_ = true;
5318                 }
5319                 else if (tabular.column_info[tabular.cellColumn(cur.idx())].change.changed()) {
5320                         // select column
5321                         cur.idx() = tabular.cellIndex(0, tabular.cellColumn(cur.idx()));
5322                         cur.pit() = 0;
5323                         cur.pos() = 0;
5324                         cur.resetAnchor();
5325                         cur.idx() = tabular.cellIndex(tabular.nrows() - 1, tabular.cellColumn(cur.idx()));
5326                         cur.pit() = cur.lastpit();
5327                         cur.pos() = cur.lastpos();
5328                         cur.selection(true);
5329                         bvcur = cur;
5330                         colselect_ = true;
5331                 }
5332                 break;
5333         }
5334
5335         case LFUN_INSET_SETTINGS:
5336                 // relay this lfun to Inset, not to the cell.
5337                 Inset::doDispatch(cur, cmd);
5338                 break;
5339
5340         default:
5341                 // we try to handle this event in the insets dispatch function.
5342                 cell(cur.idx())->dispatch(cur, cmd);
5343                 break;
5344         }
5345 }
5346
5347
5348 bool InsetTabular::getFeatureStatus(Cursor & cur, string const & s,
5349                       string const & argument, FuncStatus & status) const
5350 {
5351
5352                 int action = Tabular::LAST_ACTION;
5353                 int i = 0;
5354                 for (; tabularFeature[i].action != Tabular::LAST_ACTION; ++i) {
5355                         if (tabularFeature[i].feature == s) {
5356                                 action = tabularFeature[i].action;
5357                                 break;
5358                         }
5359                 }
5360                 if (action == Tabular::LAST_ACTION) {
5361                         status.clear();
5362                         status.setUnknown(true);
5363                         return true;
5364                 }
5365
5366                 row_type sel_row_start = 0;
5367                 row_type sel_row_end = 0;
5368                 col_type sel_col_start = 0;
5369                 col_type sel_col_end = 0;
5370                 Tabular::ltType dummyltt;
5371                 bool flag = true;
5372
5373                 getSelection(cur, sel_row_start, sel_row_end, sel_col_start, sel_col_end);
5374
5375                 switch (action) {
5376                 case Tabular::SET_PWIDTH:
5377                 case Tabular::SET_MPWIDTH:
5378                 case Tabular::TOGGLE_VARWIDTH_COLUMN:
5379                 case Tabular::SET_SPECIAL_COLUMN:
5380                 case Tabular::SET_SPECIAL_MULTICOLUMN:
5381                 case Tabular::APPEND_ROW:
5382                 case Tabular::APPEND_COLUMN:
5383                 case Tabular::DELETE_ROW:
5384                 case Tabular::DELETE_COLUMN:
5385                 case Tabular::COPY_ROW:
5386                 case Tabular::COPY_COLUMN:
5387                 case Tabular::SET_TOP_SPACE:
5388                 case Tabular::SET_BOTTOM_SPACE:
5389                 case Tabular::SET_INTERLINE_SPACE:
5390                         status.clear();
5391                         return true;
5392
5393                 case Tabular::SET_TABULAR_WIDTH:
5394                         status.setEnabled(!tabular.rotate
5395                                 && tabular.tabular_valignment == Tabular::LYX_VALIGN_MIDDLE);
5396                         break;
5397
5398                 case Tabular::MOVE_COLUMN_RIGHT:
5399                 case Tabular::MOVE_COLUMN_LEFT:
5400                 case Tabular::MOVE_ROW_DOWN:
5401                 case Tabular::MOVE_ROW_UP: {
5402                         if (cur.selection()) {
5403                                 status.message(_("Selections not supported."));
5404                                 status.setEnabled(false);
5405                                 break;
5406                         }
5407
5408                         if ((action == Tabular::MOVE_COLUMN_RIGHT &&
5409                                 tabular.ncols() == tabular.cellColumn(cur.idx()) + 1) ||
5410                             (action == Tabular::MOVE_COLUMN_LEFT &&
5411                                 tabular.cellColumn(cur.idx()) == 0) ||
5412                             (action == Tabular::MOVE_ROW_DOWN &&
5413                                 tabular.nrows() == tabular.cellRow(cur.idx()) + 1) ||
5414                             (action == Tabular::MOVE_ROW_UP &&
5415                                 tabular.cellRow(cur.idx()) == 0)) {
5416                                         status.setEnabled(false);
5417                                         break;
5418                         }
5419
5420                         if (action == Tabular::MOVE_COLUMN_RIGHT ||
5421                             action == Tabular::MOVE_COLUMN_LEFT) {
5422                                 if (tabular.hasMultiColumn(tabular.cellColumn(cur.idx())) ||
5423                                     tabular.hasMultiColumn(tabular.cellColumn(cur.idx()) +
5424                                         (action == Tabular::MOVE_COLUMN_RIGHT ? 1 : -1))) {
5425                                         status.message(_("Multi-column in current or"
5426                                                          " destination column."));
5427                                         status.setEnabled(false);
5428                                         break;
5429                                 }
5430                         }
5431
5432                         if (action == Tabular::MOVE_ROW_DOWN ||
5433                             action == Tabular::MOVE_ROW_UP) {
5434                                 if (tabular.hasMultiRow(tabular.cellRow(cur.idx())) ||
5435                                     tabular.hasMultiRow(tabular.cellRow(cur.idx()) +
5436                                         (action == Tabular::MOVE_ROW_DOWN ? 1 : -1))) {
5437                                         status.message(_("Multi-row in current or"
5438                                                          " destination row."));
5439                                         status.setEnabled(false);
5440                                         break;
5441                                 }
5442                         }
5443
5444                         status.setEnabled(true);
5445                         break;
5446                 }
5447
5448                 case Tabular::SET_DECIMAL_POINT:
5449                         status.setEnabled(
5450                                 tabular.getAlignment(cur.idx()) == LYX_ALIGN_DECIMAL);
5451                         break;
5452
5453                 case Tabular::SET_MULTICOLUMN:
5454                 case Tabular::UNSET_MULTICOLUMN:
5455                 case Tabular::MULTICOLUMN:
5456                         // If a row is set as longtable caption, it must not be allowed
5457                         // to unset that this row is a multicolumn.
5458                         status.setEnabled(sel_row_start == sel_row_end
5459                                 && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5460                         status.setOnOff(tabular.isMultiColumn(cur.idx()));
5461                         break;
5462
5463                 case Tabular::SET_MULTIROW:
5464                 case Tabular::UNSET_MULTIROW:
5465                 case Tabular::MULTIROW:
5466                         // If a row is set as longtable caption, it must not be allowed
5467                         // to unset that this row is a multirow.
5468                         status.setEnabled(sel_col_start == sel_col_end
5469                                 && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5470                         status.setOnOff(tabular.isMultiRow(cur.idx()));
5471                         break;
5472
5473                 case Tabular::SET_ALL_LINES:
5474                 case Tabular::UNSET_ALL_LINES:
5475                 case Tabular::SET_INNER_LINES:
5476                 case Tabular::SET_BORDER_LINES:
5477                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5478                         break;
5479
5480                 case Tabular::RESET_FORMAL_DEFAULT:
5481                         status.setEnabled(tabular.use_booktabs);
5482                         break;
5483
5484                 case Tabular::SET_LINE_TOP:
5485                 case Tabular::SET_LINE_BOTTOM:
5486                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5487                         break;
5488
5489                 case Tabular::SET_LINE_LEFT:
5490                 case Tabular::SET_LINE_RIGHT:
5491                         status.setEnabled(!tabular.use_booktabs
5492                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5493                         break;
5494
5495                 case Tabular::SET_LTRIM_TOP:
5496                 case Tabular::SET_RTRIM_TOP:
5497                         status.setEnabled(tabular.use_booktabs
5498                                           && tabular.cellRow(cur.idx()) != 0
5499                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5500                         break;
5501
5502                 case Tabular::SET_LTRIM_BOTTOM:
5503                 case Tabular::SET_RTRIM_BOTTOM:
5504                         status.setEnabled(tabular.use_booktabs
5505                                           && tabular.cellRow(cur.idx()) != tabular.nrows() - 1
5506                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5507                         break;
5508
5509                 case Tabular::TOGGLE_LINE_TOP:
5510                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5511                         status.setOnOff(tabular.topLine(cur.idx()));
5512                         break;
5513
5514                 case Tabular::TOGGLE_LINE_BOTTOM:
5515                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5516                         status.setOnOff(tabular.bottomLine(cur.idx()));
5517                         break;
5518
5519                 case Tabular::TOGGLE_LINE_LEFT:
5520                         status.setEnabled(!tabular.use_booktabs
5521                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5522                         status.setOnOff(tabular.leftLine(cur.idx()));
5523                         break;
5524
5525                 case Tabular::TOGGLE_LINE_RIGHT:
5526                         status.setEnabled(!tabular.use_booktabs
5527                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5528                         status.setOnOff(tabular.rightLine(cur.idx()));
5529                         break;
5530
5531                 case Tabular::TOGGLE_LTRIM_TOP:
5532                         status.setEnabled(tabular.use_booktabs
5533                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5534                         status.setOnOff(tabular.topLineTrim(cur.idx()).first);
5535                         break;
5536
5537                 case Tabular::TOGGLE_RTRIM_TOP:
5538                         status.setEnabled(tabular.use_booktabs
5539                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5540                         status.setOnOff(tabular.topLineTrim(cur.idx()).second);
5541                         break;
5542
5543                 case Tabular::TOGGLE_LTRIM_BOTTOM:
5544                         status.setEnabled(tabular.use_booktabs
5545                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5546                         status.setOnOff(tabular.bottomLineTrim(cur.idx()).first);
5547                         break;
5548
5549                 case Tabular::TOGGLE_RTRIM_BOTTOM:
5550                         status.setEnabled(tabular.use_booktabs
5551                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5552                         status.setOnOff(tabular.bottomLineTrim(cur.idx()).second);
5553                         break;
5554
5555                 // multirow cells only inherit the alignment of the column if the column has
5556                 // no width, otherwise they are left-aligned
5557                 // therefore allow always left but right and center only if there is no width
5558                 case Tabular::M_ALIGN_LEFT:
5559                         flag = false;
5560                         // fall through
5561                 case Tabular::ALIGN_LEFT:
5562                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_LEFT);
5563                         break;
5564
5565                 case Tabular::M_ALIGN_RIGHT:
5566                         flag = false;
5567                         // fall through
5568                 case Tabular::ALIGN_RIGHT:
5569                         status.setEnabled(!(tabular.isMultiRow(cur.idx())
5570                                 && !tabular.getPWidth(cur.idx()).zero()));
5571                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_RIGHT);
5572                         break;
5573
5574                 case Tabular::M_ALIGN_CENTER:
5575                         flag = false;
5576                         // fall through
5577                 case Tabular::ALIGN_CENTER:
5578                         status.setEnabled(!(tabular.isMultiRow(cur.idx())
5579                                 && !tabular.getPWidth(cur.idx()).zero()));
5580                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_CENTER);
5581                         break;
5582
5583                 case Tabular::ALIGN_BLOCK:
5584                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
5585                                 && !tabular.isMultiRow(cur.idx()));
5586                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_BLOCK);
5587                         break;
5588
5589                 case Tabular::ALIGN_DECIMAL:
5590                         status.setEnabled(!tabular.isMultiRow(cur.idx())
5591                                 && !tabular.isMultiColumn(cur.idx()));
5592                         status.setOnOff(tabular.getAlignment(cur.idx(), true) == LYX_ALIGN_DECIMAL);
5593                         break;
5594
5595                 case Tabular::M_VALIGN_TOP:
5596                         flag = false;
5597                         // fall through
5598                 case Tabular::VALIGN_TOP:
5599                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
5600                                 && !tabular.isMultiRow(cur.idx()));
5601                         status.setOnOff(
5602                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_TOP);
5603                         break;
5604
5605                 case Tabular::M_VALIGN_BOTTOM:
5606                         flag = false;
5607                         // fall through
5608                 case Tabular::VALIGN_BOTTOM:
5609                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
5610                                 && !tabular.isMultiRow(cur.idx()));
5611                         status.setOnOff(
5612                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_BOTTOM);
5613                         break;
5614
5615                 case Tabular::M_VALIGN_MIDDLE:
5616                         flag = false;
5617                         // fall through
5618                 case Tabular::VALIGN_MIDDLE:
5619                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
5620                                 && !tabular.isMultiRow(cur.idx()));
5621                         status.setOnOff(
5622                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_MIDDLE);
5623                         break;
5624
5625                 case Tabular::SET_LONGTABULAR:
5626                 case Tabular::TOGGLE_LONGTABULAR:
5627                         // setting as longtable is not allowed when table is inside a float
5628                         if (cur.innerInsetOfType(FLOAT_CODE) != 0
5629                                 || cur.innerInsetOfType(WRAP_CODE) != 0)
5630                                 status.setEnabled(false);
5631                         else
5632                                 status.setEnabled(true);
5633                         status.setOnOff(tabular.is_long_tabular);
5634                         break;
5635
5636                 case Tabular::UNSET_LONGTABULAR:
5637                         status.setOnOff(!tabular.is_long_tabular);
5638                         break;
5639
5640                 case Tabular::TOGGLE_ROTATE_TABULAR:
5641                 case Tabular::SET_ROTATE_TABULAR:
5642                         status.setOnOff(tabular.rotate != 0);
5643                         break;
5644
5645                 case Tabular::TABULAR_VALIGN_TOP:
5646                         status.setEnabled(tabular.tabular_width.zero());
5647                         status.setOnOff(tabular.tabular_valignment
5648                                 == Tabular::LYX_VALIGN_TOP);
5649                         break;
5650                 case Tabular::TABULAR_VALIGN_MIDDLE:
5651                         status.setEnabled(tabular.tabular_width.zero());
5652                         status.setOnOff(tabular.tabular_valignment
5653                                 == Tabular::LYX_VALIGN_MIDDLE);
5654                         break;
5655                 case Tabular::TABULAR_VALIGN_BOTTOM:
5656                         status.setEnabled(tabular.tabular_width.zero());
5657                         status.setOnOff(tabular.tabular_valignment
5658                                 == Tabular::LYX_VALIGN_BOTTOM);
5659                         break;
5660
5661                 case Tabular::LONGTABULAR_ALIGN_LEFT:
5662                         status.setOnOff(tabular.longtabular_alignment
5663                                 == Tabular::LYX_LONGTABULAR_ALIGN_LEFT);
5664                         break;
5665                 case Tabular::LONGTABULAR_ALIGN_CENTER:
5666                         status.setOnOff(tabular.longtabular_alignment
5667                                 == Tabular::LYX_LONGTABULAR_ALIGN_CENTER);
5668                         break;
5669                 case Tabular::LONGTABULAR_ALIGN_RIGHT:
5670                         status.setOnOff(tabular.longtabular_alignment
5671                                 == Tabular::LYX_LONGTABULAR_ALIGN_RIGHT);
5672                         break;
5673
5674                 case Tabular::UNSET_ROTATE_TABULAR:
5675                         status.setOnOff(tabular.rotate == 0);
5676                         break;
5677
5678                 case Tabular::TOGGLE_ROTATE_CELL:
5679                 case Tabular::SET_ROTATE_CELL:
5680                         status.setOnOff(!oneCellHasRotationState(false,
5681                                 sel_row_start, sel_row_end, sel_col_start, sel_col_end));
5682                         break;
5683
5684                 case Tabular::UNSET_ROTATE_CELL:
5685                         status.setOnOff(!oneCellHasRotationState(true,
5686                                 sel_row_start, sel_row_end, sel_col_start, sel_col_end));
5687                         break;
5688
5689                 case Tabular::SET_USEBOX:
5690                         status.setOnOff(convert<int>(argument) == tabular.getUsebox(cur.idx()));
5691                         break;
5692
5693                 // every row can only be one thing:
5694                 // either a footer or header
5695                 case Tabular::SET_LTFIRSTHEAD:
5696                         status.setEnabled(sel_row_start == sel_row_end);
5697                         status.setOnOff(tabular.getRowOfLTFirstHead(sel_row_start, dummyltt));
5698                         break;
5699
5700                 case Tabular::UNSET_LTFIRSTHEAD:
5701                         status.setEnabled(sel_row_start == sel_row_end);
5702                         status.setOnOff(!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt));
5703                         break;
5704
5705                 case Tabular::SET_LTHEAD:
5706                         status.setEnabled(sel_row_start == sel_row_end);
5707                         status.setOnOff(tabular.getRowOfLTHead(sel_row_start, dummyltt));
5708                         break;
5709
5710                 case Tabular::UNSET_LTHEAD:
5711                         status.setEnabled(sel_row_start == sel_row_end);
5712                         status.setOnOff(!tabular.getRowOfLTHead(sel_row_start, dummyltt));
5713                         break;
5714
5715                 case Tabular::SET_LTFOOT:
5716                         status.setEnabled(sel_row_start == sel_row_end);
5717                         status.setOnOff(tabular.getRowOfLTFoot(sel_row_start, dummyltt));
5718                         break;
5719
5720                 case Tabular::UNSET_LTFOOT:
5721                         status.setEnabled(sel_row_start == sel_row_end);
5722                         status.setOnOff(!tabular.getRowOfLTFoot(sel_row_start, dummyltt));
5723                         break;
5724
5725                 case Tabular::SET_LTLASTFOOT:
5726                         status.setEnabled(sel_row_start == sel_row_end);
5727                         status.setOnOff(tabular.getRowOfLTLastFoot(sel_row_start, dummyltt));
5728                         break;
5729
5730                 case Tabular::UNSET_LTLASTFOOT:
5731                         status.setEnabled(sel_row_start == sel_row_end);
5732                         status.setOnOff(!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt));
5733                         break;
5734
5735                 case Tabular::SET_LTNEWPAGE:
5736                         status.setOnOff(tabular.getLTNewPage(sel_row_start));
5737                         break;
5738                 case Tabular::UNSET_LTNEWPAGE:
5739                         status.setOnOff(!tabular.getLTNewPage(sel_row_start));
5740                         break;
5741
5742                 // only one row in head/firsthead/foot/lasthead can be the caption
5743                 // and a multirow cannot be set as caption
5744                 case Tabular::SET_LTCAPTION:
5745                         status.setEnabled(sel_row_start == sel_row_end
5746                                 && (!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt)
5747                                  || !tabular.haveLTCaption(Tabular::CAPTION_FIRSTHEAD))
5748                                 && (!tabular.getRowOfLTHead(sel_row_start, dummyltt)
5749                                  || !tabular.haveLTCaption(Tabular::CAPTION_HEAD))
5750                                 && (!tabular.getRowOfLTFoot(sel_row_start, dummyltt)
5751                                  || !tabular.haveLTCaption(Tabular::CAPTION_FOOT))
5752                                 && (!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt)
5753                                  || !tabular.haveLTCaption(Tabular::CAPTION_LASTFOOT))
5754                                 && !tabular.isMultiRow(sel_row_start));
5755                         status.setOnOff(tabular.ltCaption(sel_row_start));
5756                         break;
5757
5758                 case Tabular::UNSET_LTCAPTION:
5759                         status.setEnabled(sel_row_start == sel_row_end && tabular.ltCaption(sel_row_start));
5760                         break;
5761
5762                 case Tabular::TOGGLE_LTCAPTION:
5763                         status.setEnabled(sel_row_start == sel_row_end && (tabular.ltCaption(sel_row_start)
5764                                 || ((!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt)
5765                                   || !tabular.haveLTCaption(Tabular::CAPTION_FIRSTHEAD))
5766                                  && (!tabular.getRowOfLTHead(sel_row_start, dummyltt)
5767                                   || !tabular.haveLTCaption(Tabular::CAPTION_HEAD))
5768                                  && (!tabular.getRowOfLTFoot(sel_row_start, dummyltt)
5769                                   || !tabular.haveLTCaption(Tabular::CAPTION_FOOT))
5770                                  && (!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt)
5771                                   || !tabular.haveLTCaption(Tabular::CAPTION_LASTFOOT)))));
5772                         status.setOnOff(tabular.ltCaption(sel_row_start));
5773                         break;
5774
5775                 case Tabular::TOGGLE_BOOKTABS:
5776                 case Tabular::SET_BOOKTABS:
5777                         status.setOnOff(tabular.use_booktabs);
5778                         break;
5779
5780                 case Tabular::UNSET_BOOKTABS:
5781                         status.setOnOff(!tabular.use_booktabs);
5782                         break;
5783
5784                 default:
5785                         status.clear();
5786                         status.setEnabled(false);
5787                         break;
5788                 }
5789                 return true;
5790 }
5791
5792
5793 // function sets an object as defined in FuncStatus.h:
5794 // states OK, Unknown, Disabled, On, Off.
5795 bool InsetTabular::getStatus(Cursor & cur, FuncRequest const & cmd,
5796                              FuncStatus & status) const
5797 {
5798         switch (cmd.action()) {
5799         case LFUN_INSET_MODIFY:
5800                 if (cmd.getArg(0) != "tabular")
5801                         break;
5802                 if (cmd.getArg(1) == "for-dialog") {
5803                         // The dialog is asking the status of a command
5804                         if (&cur.inset() != this)
5805                                 break;
5806                         string action = cmd.getArg(2);
5807                         string arg = cmd.getLongArg(3);
5808                         return getFeatureStatus(cur, action, arg, status);
5809                 } else {
5810                         // We always enable the lfun if it is coming from the dialog
5811                         // because the dialog makes sure all the settings are valid,
5812                         // even though the first argument might not be valid now.
5813                         status.setEnabled(true);
5814                         return true;
5815                 }
5816
5817         case LFUN_TABULAR_FEATURE: {
5818                 if (&cur.inset() != this)
5819                         break;
5820                 string action = cmd.getArg(0);
5821                 string arg = cmd.getLongArg(1);
5822                 return getFeatureStatus(cur, action, arg, status);
5823         }
5824
5825         case LFUN_CAPTION_INSERT: {
5826                 // caption is only allowed in caption cell of longtable
5827                 if (!tabular.ltCaption(tabular.cellRow(cur.idx()))) {
5828                         status.setEnabled(false);
5829                         return true;
5830                 }
5831                 // only standard caption is allowed
5832                 string arg = cmd.getArg(0);
5833                 if (!arg.empty() && arg != "Standard") {
5834                         status.setEnabled(false);
5835                         return true;
5836                 }
5837                 // check if there is already a caption
5838                 bool have_caption = false;
5839                 InsetTableCell itc = InsetTableCell(*tabular.cellInset(cur.idx()));
5840                 ParagraphList::const_iterator pit = itc.paragraphs().begin();
5841                 ParagraphList::const_iterator pend = itc.paragraphs().end();
5842                 for (; pit != pend; ++pit) {
5843                         InsetList::const_iterator it  = pit->insetList().begin();
5844                         InsetList::const_iterator end = pit->insetList().end();
5845                         for (; it != end; ++it) {
5846                                 if (it->inset->lyxCode() == CAPTION_CODE) {
5847                                         have_caption = true;
5848                                         break;
5849                                 }
5850                         }
5851                 }
5852                 status.setEnabled(!have_caption);
5853                 return true;
5854         }
5855
5856         // These are only enabled inside tabular
5857         case LFUN_CELL_BACKWARD:
5858         case LFUN_CELL_FORWARD:
5859                 status.setEnabled(true);
5860                 return true;
5861
5862         // disable these with multiple cells selected
5863         case LFUN_INSET_INSERT:
5864         case LFUN_TABULAR_INSERT:
5865         case LFUN_TABULAR_STYLE_INSERT:
5866         case LFUN_FLEX_INSERT:
5867         case LFUN_FLOAT_INSERT:
5868         case LFUN_FLOAT_WIDE_INSERT:
5869         case LFUN_FOOTNOTE_INSERT:
5870         case LFUN_MARGINALNOTE_INSERT:
5871         case LFUN_MATH_INSERT:
5872         case LFUN_MATH_MODE:
5873         case LFUN_MATH_MUTATE:
5874         case LFUN_MATH_DISPLAY:
5875         case LFUN_NOTE_INSERT:
5876         case LFUN_ARGUMENT_INSERT:
5877         case LFUN_BOX_INSERT:
5878         case LFUN_BRANCH_INSERT:
5879         case LFUN_PHANTOM_INSERT:
5880         case LFUN_WRAP_INSERT:
5881         case LFUN_PREVIEW_INSERT:
5882         case LFUN_ERT_INSERT: {
5883                 if (cur.selIsMultiCell()) {
5884                         status.setEnabled(false);
5885                         return true;
5886                 } else
5887                         return cell(cur.idx())->getStatus(cur, cmd, status);
5888         }
5889
5890         case LFUN_CHANGE_ACCEPT:
5891         case LFUN_CHANGE_REJECT: {
5892                 if (cur.selIsMultiCell()) {
5893                         row_type rs, re;
5894                         col_type cs, ce;
5895                         getSelection(cur, rs, re, cs, ce);
5896                         for (row_type r = rs; r <= re; ++r) {
5897                                 if (tabular.row_info[r].change.changed()) {
5898                                         status.setEnabled(true);
5899                                         return true;
5900                                 }
5901                                 for (col_type c = cs; c <= ce; ++c) {
5902                                         if (tabular.column_info[c].change.changed()) {
5903                                                 status.setEnabled(true);
5904                                                 return true;
5905                                         }
5906                                 }
5907                         }
5908                 } else {
5909                         if (tabular.row_info[tabular.cellRow(cur.idx())].change.changed()) {
5910                                 status.setEnabled(true);
5911                                 return true;
5912                         }
5913                         else if (tabular.column_info[tabular.cellColumn(cur.idx())].change.changed()) {
5914                                 status.setEnabled(true);
5915                                 return true;
5916                         }
5917                 }
5918                 return cell(cur.idx())->getStatus(cur, cmd, status);
5919         }
5920
5921         // disable in non-fixed-width cells
5922         case LFUN_PARAGRAPH_BREAK:
5923                 // multirow does not allow paragraph breaks
5924                 if (tabular.isMultiRow(cur.idx())) {
5925                         status.setEnabled(false);
5926                         return true;
5927                 }
5928                 // fall through
5929         case LFUN_NEWLINE_INSERT:
5930                 if ((tabular.isMultiColumn(cur.idx()) || tabular.isMultiRow(cur.idx()))
5931                     && tabular.getPWidth(cur.idx()).zero()) {
5932                         status.setEnabled(false);
5933                         return true;
5934                 }
5935                 return cell(cur.idx())->getStatus(cur, cmd, status);
5936
5937         case LFUN_NEWPAGE_INSERT:
5938                 status.setEnabled(false);
5939                 return true;
5940
5941         case LFUN_PASTE:
5942                 if (tabularStackDirty() && theClipboard().isInternal()) {
5943                         if (cur.selIsMultiCell()) {
5944                                 row_type rs, re;
5945                                 col_type cs, ce;
5946                                 getSelection(cur, rs, re, cs, ce);
5947                                 if (paste_tabular && paste_tabular->ncols() == ce - cs + 1
5948                                           && paste_tabular->nrows() == re - rs + 1)
5949                                         status.setEnabled(true);
5950                                 else {
5951                                         status.setEnabled(false);
5952                                         status.message(_("Selection size should match clipboard content."));
5953                                 }
5954                         } else
5955                                 status.setEnabled(true);
5956                         return true;
5957                 }
5958                 return cell(cur.idx())->getStatus(cur, cmd, status);
5959
5960         case LFUN_INSET_SETTINGS:
5961                 // relay this lfun to Inset, not to the cell.
5962                 return Inset::getStatus(cur, cmd, status);
5963
5964         default:
5965                 // we try to handle this event in the insets dispatch function.
5966                 return cell(cur.idx())->getStatus(cur, cmd, status);
5967         }
5968         return false;
5969 }
5970
5971
5972 Inset::DisplayType InsetTabular::display() const
5973 {
5974                 if (tabular.is_long_tabular) {
5975                         switch (tabular.longtabular_alignment) {
5976                         case Tabular::LYX_LONGTABULAR_ALIGN_LEFT:
5977                                 return AlignLeft;
5978                         case Tabular::LYX_LONGTABULAR_ALIGN_CENTER:
5979                                 return AlignCenter;
5980                         case Tabular::LYX_LONGTABULAR_ALIGN_RIGHT:
5981                                 return AlignRight;
5982                         default:
5983                                 return AlignCenter;
5984                         }
5985                 } else
5986                         return Inline;
5987 }
5988
5989
5990 void InsetTabular::latex(otexstream & os, OutputParams const & runparams) const
5991 {
5992         tabular.latex(os, runparams);
5993 }
5994
5995
5996 int InsetTabular::plaintext(odocstringstream & os,
5997         OutputParams const & runparams, size_t max_length) const
5998 {
5999         os << '\n'; // output table on a new line
6000         int const dp = runparams.linelen > 0 ? runparams.depth : 0;
6001         tabular.plaintext(os, runparams, dp, false, 0, max_length);
6002         return PLAINTEXT_NEWLINE;
6003 }
6004
6005
6006 int InsetTabular::docbook(odocstream & os, OutputParams const & runparams) const
6007 {
6008         int ret = 0;
6009         Inset * master = 0;
6010
6011         // FIXME: Why not pass a proper DocIterator here?
6012 #if 0
6013         // if the table is inside a float it doesn't need the informaltable
6014         // wrapper. Search for it.
6015         for (master = owner(); master; master = master->owner())
6016                 if (master->lyxCode() == FLOAT_CODE)
6017                         break;
6018 #endif
6019
6020         if (!master) {
6021                 os << "<informaltable>";
6022                 ++ret;
6023         }
6024         ret += tabular.docbook(os, runparams);
6025         if (!master) {
6026                 os << "</informaltable>";
6027                 ++ret;
6028         }
6029         return ret;
6030 }
6031
6032
6033 docstring InsetTabular::xhtml(XHTMLStream & xs, OutputParams const & rp) const
6034 {
6035         return tabular.xhtml(xs, rp);
6036 }
6037
6038
6039 void InsetTabular::validate(LaTeXFeatures & features) const
6040 {
6041         tabular.validate(features);
6042         features.useInsetLayout(getLayout());
6043 }
6044
6045
6046 shared_ptr<InsetTableCell const> InsetTabular::cell(idx_type idx) const
6047 {
6048         return tabular.cellInset(idx);
6049 }
6050
6051
6052 shared_ptr<InsetTableCell> InsetTabular::cell(idx_type idx)
6053 {
6054         return tabular.cellInset(idx);
6055 }
6056
6057
6058 void InsetTabular::cursorPos(BufferView const & bv,
6059                 CursorSlice const & sl, bool boundary, int & x, int & y) const
6060 {
6061         cell(sl.idx())->cursorPos(bv, sl, boundary, x, y);
6062
6063         // y offset     correction
6064         y += cellYPos(sl.idx());
6065         y += tabular.textVOffset(sl.idx());
6066         y += tabular.offsetVAlignment();
6067
6068         // x offset correction
6069         x += cellXPos(sl.idx());
6070         x += tabular.textHOffset(sl.idx());
6071         x += ADD_TO_TABULAR_WIDTH;
6072 }
6073
6074
6075 int InsetTabular::dist(BufferView & bv, idx_type const cell, int x, int y) const
6076 {
6077         int xx = 0;
6078         int yy = 0;
6079         Inset const & inset = *tabular.cellInset(cell);
6080         Point o = bv.coordCache().getInsets().xy(&inset);
6081         int const xbeg = o.x_ - tabular.textHOffset(cell);
6082         int const xend = xbeg + tabular.cellWidth(cell);
6083         row_type const row = tabular.cellRow(cell);
6084         int const ybeg = o.y_ - tabular.rowAscent(row)
6085                 - tabular.interRowSpace(row) - tabular.textVOffset(cell);
6086         int const yend = ybeg + tabular.cellHeight(cell);
6087
6088         if (x < xbeg)
6089                 xx = xbeg - x;
6090         else if (x > xend)
6091                 xx = x - xend;
6092
6093         if (y < ybeg)
6094                 yy = ybeg - y;
6095         else if (y > yend)
6096                 yy = y - yend;
6097
6098         //lyxerr << " xbeg=" << xbeg << "  xend=" << xend
6099         //       << " ybeg=" << ybeg << " yend=" << yend
6100         //       << " xx=" << xx << " yy=" << yy
6101         //       << " dist=" << xx + yy << endl;
6102         return xx + yy;
6103 }
6104
6105
6106 Inset * InsetTabular::editXY(Cursor & cur, int x, int y)
6107 {
6108         //lyxerr << "InsetTabular::editXY: " << this << endl;
6109         cur.push(*this);
6110         cur.idx() = getNearestCell(cur.bv(), x, y);
6111         return cur.bv().textMetrics(&cell(cur.idx())->text()).editXY(cur, x, y);
6112 }
6113
6114
6115 void InsetTabular::setCursorFromCoordinates(Cursor & cur, int x, int y) const
6116 {
6117         cur.idx() = getNearestCell(cur.bv(), x, y);
6118         cur.bv().textMetrics(&cell(cur.idx())->text()).setCursorFromCoordinates(cur, x, y);
6119 }
6120
6121
6122 InsetTabular::idx_type InsetTabular::getNearestCell(BufferView & bv, int x, int y) const
6123 {
6124         idx_type idx_min = 0;
6125         int dist_min = numeric_limits<int>::max();
6126         for (idx_type i = 0, n = nargs(); i != n; ++i) {
6127                 if (bv.coordCache().getInsets().has(tabular.cellInset(i).get())) {
6128                         int const d = dist(bv, i, x, y);
6129                         if (d < dist_min) {
6130                                 dist_min = d;
6131                                 idx_min = i;
6132                         }
6133                 }
6134         }
6135         return idx_min;
6136 }
6137
6138
6139 int InsetTabular::cellYPos(idx_type const cell) const
6140 {
6141         row_type row = tabular.cellRow(cell);
6142         int ly = 0;
6143         for (row_type r = 0; r < row; ++r)
6144                 ly += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
6145                         + tabular.interRowSpace(r + 1);
6146         return ly;
6147 }
6148
6149
6150 int InsetTabular::cellXPos(idx_type const cell) const
6151 {
6152         col_type col = tabular.cellColumn(cell);
6153         int lx = 0;
6154         for (col_type c = 0; c < col; ++c)
6155                 lx += tabular.column_info[c].width;
6156         return lx;
6157 }
6158
6159
6160 void InsetTabular::moveNextCell(Cursor & cur, EntryDirection entry_from)
6161 {
6162         row_type const row = tabular.cellRow(cur.idx());
6163         col_type const col = tabular.cellColumn(cur.idx());
6164
6165         if (isRightToLeft(cur)) {
6166                 if (tabular.cellColumn(cur.idx()) == 0) {
6167                         if (row == tabular.nrows() - 1)
6168                                 return;
6169                         cur.idx() = tabular.cellBelow(tabular.getLastCellInRow(row));
6170                 } else {
6171                         if (cur.idx() == 0)
6172                                 return;
6173                         if (col == 0)
6174                                 cur.idx() = tabular.getLastCellInRow(row - 1);
6175                         else
6176                                 cur.idx() = tabular.cellIndex(row, col - 1);
6177                 }
6178         } else {
6179                 if (tabular.isLastCell(cur.idx()))
6180                         return;
6181                 if (cur.idx() == tabular.getLastCellInRow(row))
6182                         cur.idx() = tabular.cellIndex(row + 1, 0);
6183                 else {
6184                         col_type const colnextcell = col + tabular.columnSpan(cur.idx());
6185                         cur.idx() = tabular.cellIndex(row, colnextcell);
6186                 }
6187         }
6188
6189         cur.boundary(false);
6190
6191         if (cur.selIsMultiCell()) {
6192                 cur.pit() = cur.lastpit();
6193                 cur.pos() = cur.lastpos();
6194                 return;
6195         }
6196
6197         cur.pit() = 0;
6198         cur.pos() = 0;
6199
6200         // in visual mode, place cursor at extreme left or right
6201
6202         switch(entry_from) {
6203
6204         case ENTRY_DIRECTION_RIGHT:
6205                 cur.posVisToRowExtremity(false /* !left */);
6206                 break;
6207         case ENTRY_DIRECTION_LEFT:
6208                 cur.posVisToRowExtremity(true /* left */);
6209                 break;
6210         case ENTRY_DIRECTION_IGNORE:
6211                 // nothing to do in this case
6212                 break;
6213
6214         }
6215         cur.setCurrentFont();
6216 }
6217
6218
6219 void InsetTabular::movePrevCell(Cursor & cur, EntryDirection entry_from)
6220 {
6221         row_type const row = tabular.cellRow(cur.idx());
6222         col_type const col = tabular.cellColumn(cur.idx());
6223
6224         if (isRightToLeft(cur)) {
6225                 if (cur.idx() == tabular.getLastCellInRow(row)) {
6226                         if (row == 0)
6227                                 return;
6228                         cur.idx() = tabular.getFirstCellInRow(row);
6229                         cur.idx() = tabular.cellAbove(cur.idx());
6230                 } else {
6231                         if (tabular.isLastCell(cur.idx()))
6232                                 return;
6233                         if (cur.idx() == tabular.getLastCellInRow(row))
6234                                 cur.idx() = tabular.cellIndex(row + 1, 0);
6235                         else
6236                                 cur.idx() = tabular.cellIndex(row, col + 1);
6237                 }
6238         } else {
6239                 if (cur.idx() == 0) // first cell
6240                         return;
6241                 if (col == 0)
6242                         cur.idx() = tabular.getLastCellInRow(row - 1);
6243                 else
6244                         cur.idx() = tabular.cellIndex(row, col - 1);
6245         }
6246
6247         if (cur.selIsMultiCell()) {
6248                 cur.pit() = cur.lastpit();
6249                 cur.pos() = cur.lastpos();
6250                 return;
6251         }
6252
6253         cur.pit() = cur.lastpit();
6254         cur.pos() = cur.lastpos();
6255
6256         // in visual mode, place cursor at extreme left or right
6257
6258         switch(entry_from) {
6259
6260         case ENTRY_DIRECTION_RIGHT:
6261                 cur.posVisToRowExtremity(false /* !left */);
6262                 break;
6263         case ENTRY_DIRECTION_LEFT:
6264                 cur.posVisToRowExtremity(true /* left */);
6265                 break;
6266         case ENTRY_DIRECTION_IGNORE:
6267                 // nothing to do in this case
6268                 break;
6269
6270         }
6271         cur.setCurrentFont();
6272 }
6273
6274
6275 void InsetTabular::tabularFeatures(Cursor & cur, string const & argument)
6276 {
6277         cur.recordUndoInset(this);
6278
6279         istringstream is(argument);
6280         // limit the size of strings we read to avoid memory problems
6281         is >> setw(65636);
6282         string s;
6283         // Safe guard.
6284         size_t safe_guard = 0;
6285         for (;;) {
6286                 if (is.eof())
6287                         return;
6288                 safe_guard++;
6289                 if (safe_guard > 1000) {
6290                         LYXERR0("parameter max count reached!");
6291                         return;
6292                 }
6293                 is >> s;
6294                 Tabular::Feature action = Tabular::LAST_ACTION;
6295
6296                 size_t i = 0;
6297                 for (; tabularFeature[i].action != Tabular::LAST_ACTION; ++i) {
6298                         if (s != tabularFeature[i].feature)
6299                                 continue;
6300                         action = tabularFeature[i].action;
6301                         break;
6302                 }
6303                 if (action == Tabular::LAST_ACTION) {
6304                         LYXERR0("Feature not found " << s);
6305                         continue;
6306                 }
6307                 string val;
6308                 if (tabularFeature[i].need_value)
6309                         is >> val;
6310                 LYXERR(Debug::DEBUG, "Feature: " << s << "\t\tvalue: " << val);
6311                 tabularFeatures(cur, action, val);
6312         }
6313 }
6314
6315
6316 static void checkLongtableSpecial(Tabular::ltType & ltt,
6317                           string const & special, bool & flag)
6318 {
6319         if (special == "dl_above") {
6320                 ltt.topDL = flag;
6321                 ltt.set = false;
6322         } else if (special == "dl_below") {
6323                 ltt.bottomDL = flag;
6324                 ltt.set = false;
6325         } else if (special == "empty") {
6326                 ltt.empty = flag;
6327                 ltt.set = false;
6328         } else if (flag) {
6329                 ltt.empty = false;
6330                 ltt.set = true;
6331         }
6332 }
6333
6334
6335 bool InsetTabular::oneCellHasRotationState(bool rotated,
6336                 row_type row_start, row_type row_end,
6337                 col_type col_start, col_type col_end) const
6338 {
6339         for (row_type r = row_start; r <= row_end; ++r)
6340                 for (col_type c = col_start; c <= col_end; ++c)
6341                         if (rotated) {
6342                                 if (tabular.getRotateCell(tabular.cellIndex(r, c)) != 0)
6343                                         return true;
6344                         } else {
6345                                 if (tabular.getRotateCell(tabular.cellIndex(r, c)) == 0)
6346                                         return true;
6347                         }
6348         return false;
6349 }
6350
6351
6352 void InsetTabular::tabularFeatures(Cursor & cur,
6353         Tabular::Feature feature, string const & value)
6354 {
6355         col_type sel_col_start;
6356         col_type sel_col_end;
6357         row_type sel_row_start;
6358         row_type sel_row_end;
6359         bool setLines = false;
6360         bool setLinesInnerOnly = false;
6361         LyXAlignment setAlign = LYX_ALIGN_LEFT;
6362         Tabular::VAlignment setVAlign = Tabular::LYX_VALIGN_TOP;
6363
6364         switch (feature) {
6365
6366         case Tabular::M_ALIGN_LEFT:
6367         case Tabular::ALIGN_LEFT:
6368                 setAlign = LYX_ALIGN_LEFT;
6369                 break;
6370
6371         case Tabular::M_ALIGN_RIGHT:
6372         case Tabular::ALIGN_RIGHT:
6373                 setAlign = LYX_ALIGN_RIGHT;
6374                 break;
6375
6376         case Tabular::M_ALIGN_CENTER:
6377         case Tabular::ALIGN_CENTER:
6378                 setAlign = LYX_ALIGN_CENTER;
6379                 break;
6380
6381         case Tabular::ALIGN_BLOCK:
6382                 setAlign = LYX_ALIGN_BLOCK;
6383                 break;
6384
6385         case Tabular::ALIGN_DECIMAL:
6386                 setAlign = LYX_ALIGN_DECIMAL;
6387                 break;
6388
6389         case Tabular::M_VALIGN_TOP:
6390         case Tabular::VALIGN_TOP:
6391                 setVAlign = Tabular::LYX_VALIGN_TOP;
6392                 break;
6393
6394         case Tabular::M_VALIGN_BOTTOM:
6395         case Tabular::VALIGN_BOTTOM:
6396                 setVAlign = Tabular::LYX_VALIGN_BOTTOM;
6397                 break;
6398
6399         case Tabular::M_VALIGN_MIDDLE:
6400         case Tabular::VALIGN_MIDDLE:
6401                 setVAlign = Tabular::LYX_VALIGN_MIDDLE;
6402                 break;
6403
6404         default:
6405                 break;
6406         }
6407
6408         getSelection(cur, sel_row_start, sel_row_end, sel_col_start, sel_col_end);
6409         row_type const row = tabular.cellRow(cur.idx());
6410         col_type const column = tabular.cellColumn(cur.idx());
6411         bool flag = true;
6412         Tabular::ltType ltt;
6413
6414         switch (feature) {
6415
6416         case Tabular::SET_TABULAR_WIDTH:
6417                 tabular.setTabularWidth(Length(value));
6418                 break;
6419
6420         case Tabular::SET_PWIDTH: {
6421                 Length const len(value);
6422                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6423                         tabular.setColumnPWidth(cur, tabular.cellIndex(row, c), len);
6424                         if (len.zero()
6425                             && tabular.getAlignment(tabular.cellIndex(row, c), true) == LYX_ALIGN_BLOCK)
6426                                 tabularFeatures(cur, Tabular::ALIGN_CENTER, string());
6427                 }
6428                 break;
6429         }
6430
6431         case Tabular::SET_MPWIDTH:
6432                 tabular.setMColumnPWidth(cur, cur.idx(), Length(value));
6433                 break;
6434
6435         case Tabular::TOGGLE_VARWIDTH_COLUMN: {
6436                 bool const varwidth = value == "on";
6437                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6438                         tabular.toggleVarwidth(tabular.cellIndex(row, c), varwidth);
6439                 break;
6440         }
6441
6442         case Tabular::SET_MROFFSET:
6443                 tabular.setMROffset(cur, cur.idx(), Length(value));
6444                 break;
6445
6446         case Tabular::SET_SPECIAL_COLUMN:
6447         case Tabular::SET_SPECIAL_MULTICOLUMN:
6448                 if (value == "none")
6449                         tabular.setAlignSpecial(cur.idx(), docstring(), feature);
6450                 else
6451                         tabular.setAlignSpecial(cur.idx(), from_utf8(value), feature);
6452                 break;
6453
6454         case Tabular::APPEND_ROW:
6455                 // append the row into the tabular
6456                 tabular.appendRow(row);
6457                 break;
6458
6459         case Tabular::APPEND_COLUMN:
6460                 // append the column into the tabular
6461                 tabular.appendColumn(column);
6462                 cur.idx() = tabular.cellIndex(row, column);
6463                 break;
6464
6465         case Tabular::DELETE_ROW:
6466                 if (sel_row_end == tabular.nrows() - 1 && sel_row_start != 0) {
6467                         for (col_type c = 0; c < tabular.ncols(); c++) {
6468                                 tabular.setBottomLine(tabular.cellIndex(sel_row_start - 1, c),
6469                                         tabular.bottomLine(tabular.cellIndex(sel_row_end, c)));
6470                                 tabular.setBottomLineTrim(tabular.cellIndex(sel_row_start - 1, c),
6471                                         tabular.bottomLineTrim(tabular.cellIndex(sel_row_end, c)));
6472                         }
6473                 }
6474
6475                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6476                         tabular.deleteRow(sel_row_start);
6477                 if (sel_row_start >= tabular.nrows())
6478                         --sel_row_start;
6479                 cur.idx() = tabular.cellIndex(sel_row_start, column);
6480                 cur.pit() = 0;
6481                 cur.pos() = 0;
6482                 cur.selection(false);
6483                 break;
6484
6485         case Tabular::DELETE_COLUMN:
6486                 if (sel_col_end == tabular.ncols() - 1 && sel_col_start != 0) {
6487                         for (row_type r = 0; r < tabular.nrows(); r++)
6488                                 tabular.setRightLine(tabular.cellIndex(r, sel_col_start - 1),
6489                                         tabular.rightLine(tabular.cellIndex(r, sel_col_end)));
6490                 }
6491
6492                 if (sel_col_start == 0 && sel_col_end != tabular.ncols() - 1) {
6493                         for (row_type r = 0; r < tabular.nrows(); r++)
6494                                 tabular.setLeftLine(tabular.cellIndex(r, sel_col_end + 1),
6495                                         tabular.leftLine(tabular.cellIndex(r, 0)));
6496                 }
6497
6498                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6499                         tabular.deleteColumn(sel_col_start);
6500                 if (sel_col_start >= tabular.ncols())
6501                         --sel_col_start;
6502                 cur.idx() = tabular.cellIndex(row, sel_col_start);
6503                 cur.pit() = 0;
6504                 cur.pos() = 0;
6505                 cur.selection(false);
6506                 break;
6507
6508         case Tabular::COPY_ROW:
6509                 tabular.copyRow(row);
6510                 break;
6511
6512         case Tabular::COPY_COLUMN:
6513                 tabular.copyColumn(column);
6514                 cur.idx() = tabular.cellIndex(row, column);
6515                 break;
6516
6517         case Tabular::MOVE_COLUMN_RIGHT:
6518                 tabular.moveColumn(column, Tabular::RIGHT);
6519                 cur.idx() = tabular.cellIndex(row, column + 1);
6520                 break;
6521
6522         case Tabular::MOVE_COLUMN_LEFT:
6523                 tabular.moveColumn(column, Tabular::LEFT);
6524                 cur.idx() = tabular.cellIndex(row, column - 1);
6525                 break;
6526
6527         case Tabular::MOVE_ROW_DOWN:
6528                 tabular.moveRow(row, Tabular::DOWN);
6529                 cur.idx() = tabular.cellIndex(row + 1, column);
6530                 break;
6531
6532         case Tabular::MOVE_ROW_UP:
6533                 tabular.moveRow(row, Tabular::UP);
6534                 cur.idx() = tabular.cellIndex(row - 1, column);
6535                 break;
6536
6537         case Tabular::SET_LINE_TOP:
6538         case Tabular::TOGGLE_LINE_TOP: {
6539                 bool lineSet = (feature == Tabular::SET_LINE_TOP)
6540                                ? (value == "true") : !tabular.topLine(cur.idx());
6541                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6542                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6543                                 tabular.setTopLine(tabular.cellIndex(r, c), lineSet);
6544                 break;
6545         }
6546
6547         case Tabular::SET_LINE_BOTTOM:
6548         case Tabular::TOGGLE_LINE_BOTTOM: {
6549                 bool lineSet = (feature == Tabular::SET_LINE_BOTTOM)
6550                                ? (value == "true") : !tabular.bottomLine(cur.idx());
6551                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6552                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6553                                 tabular.setBottomLine(tabular.cellIndex(r, c), lineSet);
6554                 break;
6555         }
6556
6557         case Tabular::SET_LTRIM_TOP:
6558         case Tabular::TOGGLE_LTRIM_TOP: {
6559                 bool l = (feature == Tabular::SET_LTRIM_TOP)
6560                                ? (value == "true") : !tabular.topLineTrim(cur.idx()).first;
6561                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6562                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6563                                 tabular.setTopLineLTrim(tabular.cellIndex(r, c), l);
6564                 break;
6565         }
6566
6567         case Tabular::SET_RTRIM_TOP:
6568         case Tabular::TOGGLE_RTRIM_TOP: {
6569                 bool l = (feature == Tabular::SET_RTRIM_TOP)
6570                                ? (value == "true") : !tabular.topLineTrim(cur.idx()).second;
6571                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6572                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6573                                 tabular.setTopLineRTrim(tabular.cellIndex(r, c), l);
6574                 break;
6575         }
6576
6577         case Tabular::SET_LTRIM_BOTTOM:
6578         case Tabular::TOGGLE_LTRIM_BOTTOM: {
6579                 bool l = (feature == Tabular::SET_LTRIM_BOTTOM)
6580                                ? (value == "true") : !tabular.bottomLineTrim(cur.idx()).first;
6581                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6582                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6583                                 tabular.setBottomLineLTrim(tabular.cellIndex(r, c), l);
6584                 break;
6585         }
6586
6587         case Tabular::SET_RTRIM_BOTTOM:
6588         case Tabular::TOGGLE_RTRIM_BOTTOM: {
6589                 bool l = (feature == Tabular::SET_RTRIM_BOTTOM)
6590                                ? (value == "true") : !tabular.bottomLineTrim(cur.idx()).second;
6591                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6592                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6593                                 tabular.setBottomLineRTrim(tabular.cellIndex(r, c), l);
6594                 break;
6595         }
6596
6597         case Tabular::SET_LINE_LEFT:
6598         case Tabular::TOGGLE_LINE_LEFT: {
6599                 bool lineSet = (feature == Tabular::SET_LINE_LEFT)
6600                                ? (value == "true") : !tabular.leftLine(cur.idx());
6601                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6602                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6603                                 tabular.setLeftLine(tabular.cellIndex(r, c), lineSet);
6604                 break;
6605         }
6606
6607         case Tabular::SET_LINE_RIGHT:
6608         case Tabular::TOGGLE_LINE_RIGHT: {
6609                 bool lineSet = (feature == Tabular::SET_LINE_RIGHT)
6610                                ? (value == "true") : !tabular.rightLine(cur.idx());
6611                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6612                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6613                                 tabular.setRightLine(tabular.cellIndex(r, c), lineSet);
6614                 break;
6615         }
6616
6617         case Tabular::M_ALIGN_LEFT:
6618         case Tabular::M_ALIGN_RIGHT:
6619         case Tabular::M_ALIGN_CENTER:
6620         case Tabular::ALIGN_LEFT:
6621         case Tabular::ALIGN_RIGHT:
6622         case Tabular::ALIGN_CENTER:
6623         case Tabular::ALIGN_BLOCK:
6624         case Tabular::ALIGN_DECIMAL:
6625                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6626                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6627                                 tabular.setAlignment(tabular.cellIndex(r, c), setAlign,
6628                                 !tabular.getPWidth(c).zero());
6629                 break;
6630
6631         case Tabular::M_VALIGN_TOP:
6632         case Tabular::M_VALIGN_BOTTOM:
6633         case Tabular::M_VALIGN_MIDDLE:
6634                 flag = false;
6635                 // fall through
6636         case Tabular::VALIGN_TOP:
6637         case Tabular::VALIGN_BOTTOM:
6638         case Tabular::VALIGN_MIDDLE:
6639                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6640                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6641                                 tabular.setVAlignment(tabular.cellIndex(r, c), setVAlign, flag);
6642                 break;
6643
6644         case Tabular::SET_MULTICOLUMN: {
6645                 if (!cur.selection()) {
6646                         // just multicol for one single cell
6647                         // check whether we are completely in a multicol
6648                         if (!tabular.isMultiColumn(cur.idx()))
6649                                 tabular.setMultiColumn(cur, cur.idx(), 1,
6650                                         tabular.rightLine(cur.idx()));
6651                         break;
6652                 }
6653                 // we have a selection so this means we just add all these
6654                 // cells to form a multicolumn cell
6655                 idx_type const s_start = cur.selBegin().idx();
6656                 row_type const col_start = tabular.cellColumn(s_start);
6657                 row_type const col_end = tabular.cellColumn(cur.selEnd().idx());
6658                 cur.idx() = tabular.setMultiColumn(cur, s_start, col_end - col_start + 1,
6659                                                    tabular.rightLine(cur.selEnd().idx()));
6660                 cur.pit() = 0;
6661                 cur.pos() = 0;
6662                 cur.selection(false);
6663                 break;
6664         }
6665
6666         case Tabular::UNSET_MULTICOLUMN: {
6667                 if (!cur.selection()) {
6668                         if (tabular.isMultiColumn(cur.idx()))
6669                                 tabular.unsetMultiColumn(cur.idx());
6670                 }
6671                 break;
6672         }
6673
6674         case Tabular::MULTICOLUMN: {
6675                 if (!cur.selection()) {
6676                         if (tabular.isMultiColumn(cur.idx()))
6677                                 tabularFeatures(cur, Tabular::UNSET_MULTICOLUMN);
6678                         else
6679                                 tabularFeatures(cur, Tabular::SET_MULTICOLUMN);
6680                         break;
6681                 }
6682                 bool merge = false;
6683                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6684                         row_type const r = sel_row_start;
6685                         if (!tabular.isMultiColumn(tabular.cellIndex(r, c))
6686                             || (r > sel_row_start && !tabular.isPartOfMultiColumn(r, c)))
6687                                 merge = true;
6688                 }
6689                 // If the selection contains at least one singlecol cell
6690                 // or multiple multicol cells,
6691                 // we assume the user will merge is to a single multicol
6692                 if (merge)
6693                         tabularFeatures(cur, Tabular::SET_MULTICOLUMN);
6694                 else
6695                         tabularFeatures(cur, Tabular::UNSET_MULTICOLUMN);
6696                 break;
6697         }
6698
6699         case Tabular::SET_MULTIROW: {
6700                 if (!cur.selection()) {
6701                         // just multirow for one single cell
6702                         // check whether we are completely in a multirow
6703                         if (!tabular.isMultiRow(cur.idx()))
6704                                 tabular.setMultiRow(cur, cur.idx(), 1,
6705                                                     tabular.bottomLine(cur.idx()),
6706                                                     tabular.getAlignment(cur.idx()));
6707                         break;
6708                 }
6709                 // we have a selection so this means we just add all this
6710                 // cells to form a multirow cell
6711                 idx_type const s_start = cur.selBegin().idx();
6712                 row_type const row_start = tabular.cellRow(s_start);
6713                 row_type const row_end = tabular.cellRow(cur.selEnd().idx());
6714                 cur.idx() = tabular.setMultiRow(cur, s_start, row_end - row_start + 1,
6715                                                 tabular.bottomLine(cur.selEnd().idx()),
6716                                                 tabular.getAlignment(cur.selEnd().idx()));
6717                 cur.pit() = 0;
6718                 cur.pos() = 0;
6719                 cur.selection(false);
6720                 break;
6721         }
6722
6723         case Tabular::UNSET_MULTIROW: {
6724                 if (!cur.selection()) {
6725                         if (tabular.isMultiRow(cur.idx()))
6726                                 tabular.unsetMultiRow(cur.idx());
6727                 }
6728                 break;
6729         }
6730
6731         case Tabular::MULTIROW: {
6732                 if (!cur.selection()) {
6733                         if (tabular.isMultiRow(cur.idx()))
6734                                 tabularFeatures(cur, Tabular::UNSET_MULTIROW);
6735                         else
6736                                 tabularFeatures(cur, Tabular::SET_MULTIROW);
6737                         break;
6738                 }
6739                 bool merge = false;
6740                 for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6741                         col_type const c = sel_col_start;
6742                         if (!tabular.isMultiRow(tabular.cellIndex(r, c))
6743                             || (r > sel_row_start && !tabular.isPartOfMultiRow(r, c)))
6744                                 merge = true;
6745                 }
6746                 // If the selection contains at least one singlerow cell
6747                 // or multiple multirow cells,
6748                 // we assume the user will merge is to a single multirow
6749                 if (merge)
6750                         tabularFeatures(cur, Tabular::SET_MULTIROW);
6751                 else
6752                         tabularFeatures(cur, Tabular::UNSET_MULTIROW);
6753                 break;
6754         }
6755
6756         case Tabular::SET_INNER_LINES:
6757                 setLinesInnerOnly = true;
6758                 // fall through
6759         case Tabular::SET_ALL_LINES:
6760                 setLines = true;
6761                 // fall through
6762         case Tabular::UNSET_ALL_LINES:
6763                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6764                         for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6765                                 idx_type const cell = tabular.cellIndex(r, c);
6766                                 if (!setLinesInnerOnly || r != sel_row_start)
6767                                         tabular.setTopLine(cell, setLines);
6768                                 if ((!setLinesInnerOnly || r != sel_row_end)
6769                                     && (!setLines || r == sel_row_end))
6770                                         tabular.setBottomLine(cell, setLines);
6771                                 if ((!setLinesInnerOnly || c != sel_col_end)
6772                                     && (!setLines || c == sel_col_end))
6773                                         tabular.setRightLine(cell, setLines);
6774                                 if ((!setLinesInnerOnly || c != sel_col_start))
6775                                         tabular.setLeftLine(cell, setLines);
6776                         }
6777                 break;
6778
6779         case Tabular::RESET_FORMAL_DEFAULT:
6780                 for (row_type r = 0; r < tabular.nrows(); ++r) {
6781                         bool const head_or_foot = r == 0 || r == tabular.nrows() - 1;
6782                         for (col_type c = 0; c < tabular.ncols(); ++c) {
6783                                 idx_type const cell = tabular.cellIndex(r, c);
6784                                 tabular.setTopLine(cell, head_or_foot);
6785                                 tabular.setBottomLine(cell, head_or_foot);
6786                         }
6787                 }
6788                 break;
6789
6790         case Tabular::SET_BORDER_LINES:
6791                 for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6792                         tabular.setLeftLine(tabular.cellIndex(r, sel_col_start), true);
6793                         tabular.setRightLine(tabular.cellIndex(r, sel_col_end), true);
6794                 }
6795                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6796                         tabular.setTopLine(tabular.cellIndex(sel_row_start, c), true);
6797                         tabular.setBottomLine(tabular.cellIndex(sel_row_end, c), true);
6798                 }
6799                 break;
6800
6801         case Tabular::TOGGLE_LONGTABULAR:
6802                 if (tabular.is_long_tabular)
6803                         tabularFeatures(cur, Tabular::UNSET_LONGTABULAR);
6804                 else
6805                         tabular.is_long_tabular = true;
6806                 break;
6807
6808         case Tabular::SET_LONGTABULAR:
6809                 tabular.is_long_tabular = true;
6810                 break;
6811
6812         case Tabular::UNSET_LONGTABULAR:
6813                 for (row_type r = 0; r < tabular.nrows(); ++r) {
6814                         if (tabular.ltCaption(r)) {
6815                                 cur.idx() = tabular.cellIndex(r, 0);
6816                                 cur.pit() = 0;
6817                                 cur.pos() = 0;
6818                                 tabularFeatures(cur, Tabular::TOGGLE_LTCAPTION);
6819                         }
6820                 }
6821                 tabular.is_long_tabular = false;
6822                 break;
6823
6824         case Tabular::SET_ROTATE_TABULAR:
6825                 tabular.rotate = convert<int>(value);
6826                 break;
6827
6828         case Tabular::UNSET_ROTATE_TABULAR:
6829                 tabular.rotate = 0;
6830                 break;
6831
6832         case Tabular::TOGGLE_ROTATE_TABULAR:
6833                 // when pressing the rotate button we default to 90° rotation
6834                 tabular.rotate != 0 ? tabular.rotate = 0 : tabular.rotate = 90;
6835                 break;
6836
6837         case Tabular::TABULAR_VALIGN_TOP:
6838                 tabular.tabular_valignment = Tabular::LYX_VALIGN_TOP;
6839                 break;
6840
6841         case Tabular::TABULAR_VALIGN_MIDDLE:
6842                 tabular.tabular_valignment = Tabular::LYX_VALIGN_MIDDLE;
6843                 break;
6844
6845         case Tabular::TABULAR_VALIGN_BOTTOM:
6846                 tabular.tabular_valignment = Tabular::LYX_VALIGN_BOTTOM;
6847                 break;
6848
6849         case Tabular::LONGTABULAR_ALIGN_LEFT:
6850                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_LEFT;
6851                 break;
6852
6853         case Tabular::LONGTABULAR_ALIGN_CENTER:
6854                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_CENTER;
6855                 break;
6856
6857         case Tabular::LONGTABULAR_ALIGN_RIGHT:
6858                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_RIGHT;
6859                 break;
6860
6861         case Tabular::SET_ROTATE_CELL:
6862                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6863                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6864                                 tabular.setRotateCell(tabular.cellIndex(r, c), convert<int>(value));
6865                 break;
6866
6867         case Tabular::UNSET_ROTATE_CELL:
6868                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6869                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6870                                 tabular.setRotateCell(tabular.cellIndex(r, c), 0);
6871                 break;
6872
6873         case Tabular::TOGGLE_ROTATE_CELL:
6874                 {
6875                 bool oneNotRotated = oneCellHasRotationState(false,
6876                         sel_row_start, sel_row_end, sel_col_start, sel_col_end);
6877
6878                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6879                         for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6880                                 // when pressing the rotate cell button we default to 90° rotation
6881                                 if (oneNotRotated)
6882                                         tabular.setRotateCell(tabular.cellIndex(r, c), 90);
6883                                 else
6884                                         tabular.setRotateCell(tabular.cellIndex(r, c), 0);
6885                         }
6886                 }
6887                 break;
6888
6889         case Tabular::SET_USEBOX: {
6890                 Tabular::BoxType val = Tabular::BoxType(convert<int>(value));
6891                 if (val == tabular.getUsebox(cur.idx()))
6892                         val = Tabular::BOX_NONE;
6893                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6894                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6895                                 tabular.setUsebox(tabular.cellIndex(r, c), val);
6896                 break;
6897         }
6898
6899         case Tabular::UNSET_LTFIRSTHEAD:
6900                 flag = false;
6901                 // fall through
6902         case Tabular::SET_LTFIRSTHEAD:
6903                 tabular.getRowOfLTFirstHead(row, ltt);
6904                 checkLongtableSpecial(ltt, value, flag);
6905                 tabular.setLTHead(row, flag, ltt, true);
6906                 break;
6907
6908         case Tabular::UNSET_LTHEAD:
6909                 flag = false;
6910                 // fall through
6911         case Tabular::SET_LTHEAD:
6912                 tabular.getRowOfLTHead(row, ltt);
6913                 checkLongtableSpecial(ltt, value, flag);
6914                 tabular.setLTHead(row, flag, ltt, false);
6915                 break;
6916
6917         case Tabular::UNSET_LTFOOT:
6918                 flag = false;
6919                 // fall through
6920         case Tabular::SET_LTFOOT:
6921                 tabular.getRowOfLTFoot(row, ltt);
6922                 checkLongtableSpecial(ltt, value, flag);
6923                 tabular.setLTFoot(row, flag, ltt, false);
6924                 break;
6925
6926         case Tabular::UNSET_LTLASTFOOT:
6927                 flag = false;
6928                 // fall through
6929         case Tabular::SET_LTLASTFOOT:
6930                 tabular.getRowOfLTLastFoot(row, ltt);
6931                 checkLongtableSpecial(ltt, value, flag);
6932                 tabular.setLTFoot(row, flag, ltt, true);
6933                 break;
6934
6935         case Tabular::UNSET_LTNEWPAGE:
6936                 flag = false;
6937                 // fall through
6938         case Tabular::SET_LTNEWPAGE:
6939                 tabular.setLTNewPage(row, flag);
6940                 break;
6941
6942         case Tabular::SET_LTCAPTION: {
6943                 if (tabular.ltCaption(row))
6944                         break;
6945                 cur.idx() = tabular.setLTCaption(cur, row, true);
6946                 cur.pit() = 0;
6947                 cur.pos() = 0;
6948                 cur.selection(false);
6949                 // If a row is set as caption, then also insert
6950                 // a caption. Otherwise the LaTeX output is broken.
6951                 // Select cell if it is non-empty
6952                 if (cur.lastpos() > 0 || cur.lastpit() > 0)
6953                         lyx::dispatch(FuncRequest(LFUN_INSET_SELECT_ALL));
6954                 lyx::dispatch(FuncRequest(LFUN_CAPTION_INSERT));
6955                 break;
6956         }
6957
6958         case Tabular::UNSET_LTCAPTION: {
6959                 if (!tabular.ltCaption(row))
6960                         break;
6961                 cur.idx() = tabular.setLTCaption(cur, row, false);
6962                 cur.pit() = 0;
6963                 cur.pos() = 0;
6964                 cur.selection(false);
6965                 FuncRequest fr(LFUN_INSET_DISSOLVE, "caption");
6966                 if (lyx::getStatus(fr).enabled())
6967                         lyx::dispatch(fr);
6968                 break;
6969         }
6970
6971         case Tabular::TOGGLE_LTCAPTION: {
6972                 if (tabular.ltCaption(row))
6973                         tabularFeatures(cur, Tabular::UNSET_LTCAPTION);
6974                 else
6975                         tabularFeatures(cur, Tabular::SET_LTCAPTION);
6976                 break;
6977         }
6978
6979         case Tabular::TOGGLE_BOOKTABS:
6980                 tabular.use_booktabs = !tabular.use_booktabs;
6981                 break;
6982
6983         case Tabular::SET_BOOKTABS:
6984                 tabular.use_booktabs = true;
6985                 break;
6986
6987         case Tabular::UNSET_BOOKTABS:
6988                 tabular.use_booktabs = false;
6989                 break;
6990
6991         case Tabular::SET_TOP_SPACE: {
6992                 Length len;
6993                 if (value == "default")
6994                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6995                                 tabular.row_info[r].top_space_default = true;
6996                 else if (value == "none")
6997                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6998                                 tabular.row_info[r].top_space_default = false;
6999                                 tabular.row_info[r].top_space = len;
7000                         }
7001                 else if (isValidLength(value, &len))
7002                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7003                                 tabular.row_info[r].top_space_default = false;
7004                                 tabular.row_info[r].top_space = len;
7005                         }
7006                 break;
7007         }
7008
7009         case Tabular::SET_BOTTOM_SPACE: {
7010                 Length len;
7011                 if (value == "default")
7012                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7013                                 tabular.row_info[r].bottom_space_default = true;
7014                 else if (value == "none")
7015                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7016                                 tabular.row_info[r].bottom_space_default = false;
7017                                 tabular.row_info[r].bottom_space = len;
7018                         }
7019                 else if (isValidLength(value, &len))
7020                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7021                                 tabular.row_info[r].bottom_space_default = false;
7022                                 tabular.row_info[r].bottom_space = len;
7023                         }
7024                 break;
7025         }
7026
7027         case Tabular::SET_INTERLINE_SPACE: {
7028                 Length len;
7029                 if (value == "default")
7030                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7031                                 tabular.row_info[r].interline_space_default = true;
7032                 else if (value == "none")
7033                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7034                                 tabular.row_info[r].interline_space_default = false;
7035                                 tabular.row_info[r].interline_space = len;
7036                         }
7037                 else if (isValidLength(value, &len))
7038                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7039                                 tabular.row_info[r].interline_space_default = false;
7040                                 tabular.row_info[r].interline_space = len;
7041                         }
7042                 break;
7043         }
7044
7045         case Tabular::SET_DECIMAL_POINT:
7046                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
7047                         tabular.column_info[c].decimal_point = from_utf8(value);
7048                 break;
7049
7050         // dummy stuff just to avoid warnings
7051         case Tabular::LAST_ACTION:
7052                 break;
7053         }
7054 }
7055
7056
7057 bool InsetTabular::copySelection(Cursor & cur)
7058 {
7059         if (!cur.selection())
7060                 return false;
7061
7062         row_type rs, re;
7063         col_type cs, ce;
7064         getSelection(cur, rs, re, cs, ce);
7065
7066         paste_tabular.reset(new Tabular(tabular));
7067
7068         for (row_type r = 0; r < rs; ++r)
7069                 paste_tabular->deleteRow(0);
7070
7071         row_type const rows = re - rs + 1;
7072         while (paste_tabular->nrows() > rows)
7073                 paste_tabular->deleteRow(rows);
7074
7075         for (col_type c = 0; c < cs; ++c)
7076                 paste_tabular->deleteColumn(0);
7077
7078         col_type const columns = ce - cs + 1;
7079         while (paste_tabular->ncols() > columns)
7080                 paste_tabular->deleteColumn(columns);
7081
7082         paste_tabular->setBuffer(tabular.buffer());
7083
7084         odocstringstream os;
7085         OutputParams const runparams(0);
7086         paste_tabular->plaintext(os, runparams, 0, true, '\t', INT_MAX);
7087         // Needed for the "Edit->Paste recent" menu and the system clipboard.
7088         cap::copySelection(cur, os.str());
7089
7090         // mark tabular stack dirty
7091         // FIXME: this is a workaround for bug 1919. Should be removed for 1.5,
7092         // when we (hopefully) have a one-for-all paste mechanism.
7093         // This must be called after cap::copySelection.
7094         dirtyTabularStack(true);
7095
7096         return true;
7097 }
7098
7099
7100 bool InsetTabular::pasteClipboard(Cursor & cur)
7101 {
7102         if (!paste_tabular)
7103                 return false;
7104         col_type actcol = tabular.cellColumn(cur.idx());
7105         row_type actrow = tabular.cellRow(cur.idx());
7106
7107         if (cur.selIsMultiCell()) {
7108                 row_type re;
7109                 col_type ce;
7110                 getSelection(cur, actrow, re, actcol, ce);
7111         }
7112
7113         for (row_type r1 = 0, r2 = actrow;
7114              r1 < paste_tabular->nrows() && r2 < tabular.nrows();
7115              ++r1, ++r2) {
7116                 for (col_type c1 = 0, c2 = actcol;
7117                     c1 < paste_tabular->ncols() && c2 < tabular.ncols();
7118                     ++c1, ++c2) {
7119                         if (paste_tabular->isPartOfMultiColumn(r1, c1) &&
7120                               tabular.isPartOfMultiColumn(r2, c2))
7121                                 continue;
7122                         if (paste_tabular->isPartOfMultiColumn(r1, c1)) {
7123                                 --c2;
7124                                 continue;
7125                         }
7126                         if (tabular.isPartOfMultiColumn(r2, c2)) {
7127                                 --c1;
7128                                 continue;
7129                         }
7130                         shared_ptr<InsetTableCell> inset(
7131                                 new InsetTableCell(*paste_tabular->cellInset(r1, c1)));
7132                         tabular.setCellInset(r2, c2, inset);
7133                         // FIXME?: why do we need to do this explicitly? (EL)
7134                         tabular.cellInset(r2, c2)->setBuffer(tabular.buffer());
7135
7136                         // FIXME: change tracking (MG)
7137                         inset->setChange(Change(buffer().params().track_changes ?
7138                                                 Change::INSERTED : Change::UNCHANGED));
7139                         cur.pos() = 0;
7140                         cur.pit() = 0;
7141                 }
7142         }
7143         return true;
7144 }
7145
7146
7147 void InsetTabular::cutSelection(Cursor & cur)
7148 {
7149         if (!cur.selection())
7150                 return;
7151
7152         row_type rs, re;
7153         col_type cs, ce;
7154         getSelection(cur, rs, re, cs, ce);
7155         for (row_type r = rs; r <= re; ++r) {
7156                 for (col_type c = cs; c <= ce; ++c) {
7157                         shared_ptr<InsetTableCell> t
7158                                 = cell(tabular.cellIndex(r, c));
7159                         if (buffer().params().track_changes)
7160                                 // FIXME: Change tracking (MG)
7161                                 t->setChange(Change(Change::DELETED));
7162                         else
7163                                 t->clear();
7164                 }
7165         }
7166
7167         // cursor position might be invalid now
7168         if (cur.pit() > cur.lastpit())
7169                 cur.pit() = cur.lastpit();
7170         if (cur.pos() > cur.lastpos())
7171                 cur.pos() = cur.lastpos();
7172         cur.clearSelection();
7173 }
7174
7175
7176 bool InsetTabular::isRightToLeft(Cursor & cur) const
7177 {
7178         // LASSERT: It might be better to abandon this Buffer.
7179         LASSERT(cur.depth() > 1, return false);
7180         Paragraph const & parentpar = cur[cur.depth() - 2].paragraph();
7181         pos_type const parentpos = cur[cur.depth() - 2].pos();
7182         return parentpar.getFontSettings(buffer().params(),
7183                                          parentpos).language()->rightToLeft();
7184 }
7185
7186
7187 docstring InsetTabular::asString(idx_type stidx, idx_type enidx,
7188                                  bool intoInsets)
7189 {
7190         LASSERT(stidx <= enidx, return docstring());
7191         docstring retval;
7192         col_type const col1 = tabular.cellColumn(stidx);
7193         col_type const col2 = tabular.cellColumn(enidx);
7194         row_type const row1 = tabular.cellRow(stidx);
7195         row_type const row2 = tabular.cellRow(enidx);
7196         bool first = true;
7197         for (col_type col = col1; col <= col2; col++)
7198                 for (row_type row = row1; row <= row2; row++) {
7199                         if (!first)
7200                                 retval += "\n";
7201                         else
7202                                 first = false;
7203                         retval += tabular.cellInset(row, col)->asString(intoInsets);
7204                 }
7205         return retval;
7206 }
7207
7208
7209 void InsetTabular::getSelection(Cursor & cur,
7210         row_type & rs, row_type & re, col_type & cs, col_type & ce) const
7211 {
7212         CursorSlice const & beg = cur.selBegin();
7213         CursorSlice const & end = cur.selEnd();
7214         cs = tabular.cellColumn(beg.idx());
7215         ce = tabular.cellColumn(end.idx());
7216         if (cs > ce)
7217                 swap(cs, ce);
7218
7219         rs = tabular.cellRow(beg.idx());
7220         re = tabular.cellRow(end.idx());
7221         if (rs > re)
7222                 swap(rs, re);
7223 }
7224
7225
7226 Text * InsetTabular::getText(int idx) const
7227 {
7228         return size_t(idx) < nargs() ? cell(idx)->getText(0) : 0;
7229 }
7230
7231
7232 bool InsetTabular::isChanged() const
7233 {
7234         for (idx_type idx = 0; idx < nargs(); ++idx) {
7235                 if (cell(idx)->isChanged())
7236                         return true;
7237                 if (tabular.row_info[tabular.cellRow(idx)].change.changed())
7238                         return true;
7239                 if (tabular.column_info[tabular.cellColumn(idx)].change.changed())
7240                         return true;
7241         }
7242         return false;
7243 }
7244
7245
7246 void InsetTabular::setChange(Change const & change)
7247 {
7248         for (idx_type idx = 0; idx < nargs(); ++idx)
7249                 cell(idx)->setChange(change);
7250 }
7251
7252
7253 void InsetTabular::acceptChanges()
7254 {
7255         for (idx_type idx = 0; idx < nargs(); ++idx)
7256                 cell(idx)->acceptChanges();
7257         for (row_type row = 0; row < tabular.nrows(); ++row) {
7258                 if (tabular.row_info[row].change.inserted())
7259                         tabular.row_info[row].change.setUnchanged();
7260                 else if (tabular.row_info[row].change.deleted())
7261                         tabular.deleteRow(row, true);
7262         }
7263         for (col_type col = 0; col < tabular.ncols(); ++col) {
7264                 if (tabular.column_info[col].change.inserted())
7265                         tabular.column_info[col].change.setUnchanged();
7266                 else if (tabular.column_info[col].change.deleted())
7267                         tabular.deleteColumn(col, true);
7268         }
7269         tabular.updateIndexes();
7270 }
7271
7272
7273 void InsetTabular::rejectChanges()
7274 {
7275         for (idx_type idx = 0; idx < nargs(); ++idx)
7276                 cell(idx)->rejectChanges();
7277         for (row_type row = 0; row < tabular.nrows(); ++row) {
7278                 if (tabular.row_info[row].change.deleted())
7279                         tabular.row_info[row].change.setUnchanged();
7280                 else if (tabular.row_info[row].change.inserted())
7281                         tabular.deleteRow(row, true);
7282         }
7283         for (col_type col = 0; col < tabular.ncols(); ++col) {
7284                 if (tabular.column_info[col].change.deleted())
7285                         tabular.column_info[col].change.setUnchanged();
7286                 else if (tabular.column_info[col].change.inserted())
7287                         tabular.deleteColumn(col, true);
7288         }
7289         tabular.updateIndexes();
7290 }
7291
7292
7293 bool InsetTabular::allowParagraphCustomization(idx_type cell) const
7294 {
7295         return tabular.getPWidth(cell).zero();
7296 }
7297
7298
7299 bool InsetTabular::forcePlainLayout(idx_type cell) const
7300 {
7301         return tabular.isMultiColumn(cell) && !tabular.getPWidth(cell).zero();
7302 }
7303
7304
7305 bool InsetTabular::insertPlaintextString(BufferView & bv, docstring const & buf,
7306                                      bool usePaste)
7307 {
7308         if (buf.length() <= 0)
7309                 return true;
7310
7311         col_type cols = 1;
7312         row_type rows = 1;
7313         col_type maxCols = 1;
7314         size_t const len = buf.length();
7315         size_t p = 0;
7316
7317         while (p < len &&
7318                (p = buf.find_first_of(from_ascii("\t\n"), p)) != docstring::npos) {
7319                 switch (buf[p]) {
7320                 case '\t':
7321                         ++cols;
7322                         break;
7323                 case '\n':
7324                         if (p + 1 < len)
7325                                 ++rows;
7326                         maxCols = max(cols, maxCols);
7327                         cols = 1;
7328                         break;
7329                 }
7330                 ++p;
7331         }
7332         maxCols = max(cols, maxCols);
7333         Tabular * loctab;
7334         idx_type cell = 0;
7335         col_type ocol = 0;
7336         row_type row = 0;
7337         if (usePaste) {
7338                 paste_tabular.reset(new Tabular(buffer_, rows, maxCols));
7339                 loctab = paste_tabular.get();
7340                 dirtyTabularStack(true);
7341         } else {
7342                 loctab = &tabular;
7343                 cell = bv.cursor().idx();
7344                 ocol = tabular.cellColumn(cell);
7345                 row = tabular.cellRow(cell);
7346         }
7347
7348         size_t op = 0;
7349         idx_type cells = loctab->numberofcells;
7350         p = 0;
7351         cols = ocol;
7352         rows = loctab->nrows();
7353         col_type columns = loctab->ncols();
7354
7355         while (p < len &&
7356                (p = buf.find_first_of(from_ascii("\t\n"), p)) != docstring::npos)
7357         {
7358                 if (p >= len)
7359                         break;
7360                 switch (buf[p]) {
7361                 case '\t':
7362                         // append column if necessary
7363                         if (cols == columns) {
7364                                 loctab->appendColumn(cols - 1);
7365                                 columns = loctab->ncols();
7366                                 cells = loctab->numberofcells;
7367                                 ++cell;
7368                         }
7369                         if (cols < columns) {
7370                                 shared_ptr<InsetTableCell> inset = loctab->cellInset(cell);
7371                                 Font const font = bv.textMetrics(&inset->text()).
7372                                         displayFont(0, 0);
7373                                 inset->setText(buf.substr(op, p - op), font,
7374                                                buffer().params().track_changes);
7375                                 ++cols;
7376                                 ++cell;
7377                         }
7378                         break;
7379                 case '\n':
7380                         // we can only set this if we are not too far right
7381                         if (cols < columns) {
7382                                 shared_ptr<InsetTableCell> inset = tabular.cellInset(cell);
7383                                 Font const font = bv.textMetrics(&inset->text()).
7384                                         displayFont(0, 0);
7385                                 inset->setText(buf.substr(op, p - op), font,
7386                                                buffer().params().track_changes);
7387                         }
7388                         cols = ocol;
7389                         ++row;
7390                         // append row if necessary
7391                         if (row == rows && p < len - 1) {
7392                                 loctab->appendRow(row - 1);
7393                                 rows = loctab->nrows();
7394                                 cells = loctab->numberofcells;
7395                         }
7396                         if (row < rows)
7397                                 cell = loctab->cellIndex(row, cols);
7398                         break;
7399                 }
7400                 ++p;
7401                 op = p;
7402         }
7403         // check for the last cell if there is no trailing '\n'
7404         if (cell < cells && op < len) {
7405                 shared_ptr<InsetTableCell> inset = loctab->cellInset(cell);
7406                 Font const font = bv.textMetrics(&inset->text()).displayFont(0, 0);
7407                 inset->setText(buf.substr(op, len - op), font,
7408                         buffer().params().track_changes);
7409         }
7410         return true;
7411 }
7412
7413
7414 void InsetTabular::addPreview(DocIterator const & inset_pos,
7415         PreviewLoader & loader) const
7416 {
7417         DocIterator cell_pos = inset_pos;
7418
7419         cell_pos.push_back(CursorSlice(*const_cast<InsetTabular *>(this)));
7420         for (row_type r = 0; r < tabular.nrows(); ++r) {
7421                 for (col_type c = 0; c < tabular.ncols(); ++c) {
7422                         cell_pos.top().idx() = tabular.cellIndex(r, c);
7423                         tabular.cellInset(r, c)->addPreview(cell_pos, loader);
7424                 }
7425         }
7426 }
7427
7428
7429 bool InsetTabular::completionSupported(Cursor const & cur) const
7430 {
7431         Cursor const & bvCur = cur.bv().cursor();
7432         if (&bvCur.inset() != this)
7433                 return false;
7434         return cur.text()->completionSupported(cur);
7435 }
7436
7437
7438 bool InsetTabular::inlineCompletionSupported(Cursor const & cur) const
7439 {
7440         return completionSupported(cur);
7441 }
7442
7443
7444 bool InsetTabular::automaticInlineCompletion() const
7445 {
7446         return lyxrc.completion_inline_text;
7447 }
7448
7449
7450 bool InsetTabular::automaticPopupCompletion() const
7451 {
7452         return lyxrc.completion_popup_text;
7453 }
7454
7455
7456 bool InsetTabular::showCompletionCursor() const
7457 {
7458         return lyxrc.completion_cursor_text;
7459 }
7460
7461
7462 CompletionList const * InsetTabular::createCompletionList(Cursor const & cur) const
7463 {
7464         return completionSupported(cur) ? cur.text()->createCompletionList(cur) : 0;
7465 }
7466
7467
7468 docstring InsetTabular::completionPrefix(Cursor const & cur) const
7469 {
7470         if (!completionSupported(cur))
7471                 return docstring();
7472         return cur.text()->completionPrefix(cur);
7473 }
7474
7475
7476 bool InsetTabular::insertCompletion(Cursor & cur, docstring const & s, bool finished)
7477 {
7478         if (!completionSupported(cur))
7479                 return false;
7480
7481         return cur.text()->insertCompletion(cur, s, finished);
7482 }
7483
7484
7485 void InsetTabular::completionPosAndDim(Cursor const & cur, int & x, int & y,
7486                                     Dimension & dim) const
7487 {
7488         TextMetrics const & tm = cur.bv().textMetrics(cur.text());
7489         tm.completionPosAndDim(cur, x, y, dim);
7490 }
7491
7492
7493 void InsetTabular::string2params(string const & in, InsetTabular & inset)
7494 {
7495         istringstream data(in);
7496         Lexer lex;
7497         lex.setStream(data);
7498
7499         if (in.empty())
7500                 return;
7501
7502         string token;
7503         lex >> token;
7504         if (!lex || token != "tabular") {
7505                 LYXERR0("Expected arg 1 to be \"tabular\" in " << in);
7506                 return;
7507         }
7508
7509         // This is part of the inset proper that is usually swallowed
7510         // by Buffer::readInset
7511         lex >> token;
7512         if (!lex || token != "Tabular") {
7513                 LYXERR0("Expected arg 2 to be \"Tabular\" in " << in);
7514                 return;
7515         }
7516
7517         inset.read(lex);
7518 }
7519
7520
7521 string InsetTabular::params2string(InsetTabular const & inset)
7522 {
7523         ostringstream data;
7524         data << "tabular" << ' ';
7525         inset.write(data);
7526         data << "\\end_inset\n";
7527         return data.str();
7528 }
7529
7530
7531 void InsetTabular::setLayoutForHiddenCells(DocumentClass const & dc)
7532 {
7533         for (Tabular::col_type c = 0; c < tabular.ncols(); ++c) {
7534                 for (Tabular::row_type r = 0; r < tabular.nrows(); ++r) {
7535                         if (!tabular.isPartOfMultiColumn(r,c) &&
7536                             !tabular.isPartOfMultiRow(r,c))
7537                                 continue;
7538
7539                         ParagraphList & parlist = tabular.cellInset(r,c)->paragraphs();
7540                         ParagraphList::iterator it = parlist.begin();
7541                         ParagraphList::iterator const en = parlist.end();
7542                         for (; it != en; ++it)
7543                                         it->setLayout(dc.plainLayout());
7544                 }
7545         }
7546 }
7547
7548
7549 } // namespace lyx