src/insets/InsetTabular.cpp

   1 /**
   2  * \file InsetTabular.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Lars Gullik Bjønnes
   7  * \author Matthias Ettrich
   8  * \author José Matos
   9  * \author Jean-Marc Lasgouttes
  10  * \author Angus Leeming
  11  * \author John Levon
  12  * \author André Pönitz
  13  * \author Jürgen Vigna
  14  * \author Uwe Stöhr
  15  * \author Edwin Leuven
  16  * \author Scott Kostyshak
  17  *
  18  * Full author contact details are available in file CREDITS.
  19  */
  20
  21 #include <config.h>
  22
  23 #include "InsetTabular.h"
  24
  25 #include "Author.h"
  26 #include "buffer_funcs.h"
  27 #include "Buffer.h"
  28 #include "BufferParams.h"
  29 #include "BufferView.h"
  30 #include "CoordCache.h"
  31 #include "Counters.h"
  32 #include "Cursor.h"
  33 #include "CutAndPaste.h"
  34 #include "DispatchResult.h"
  35 #include "FuncRequest.h"
  36 #include "FuncStatus.h"
  37 #include "InsetIterator.h"
  38 #include "InsetList.h"
  39 #include "Language.h"
  40 #include "LaTeXFeatures.h"
  41 #include "Lexer.h"
  42 #include "LyX.h"
  43 #include "LyXRC.h"
  44 #include "MetricsInfo.h"
  45 #include "xml.h"
  46 #include "output_xhtml.h"
  47 #include "Paragraph.h"
  48 #include "ParIterator.h"
  49 #include "TexRow.h"
  50 #include "texstream.h"
  51 #include "TextClass.h"
  52 #include "TextMetrics.h"
  53
  54 #include "frontends/Application.h"
  55 #include "frontends/alert.h"
  56 #include "frontends/Clipboard.h"
  57 #include "frontends/Painter.h"
  58 #include "frontends/Selection.h"
  59
  60 #include "support/Changer.h"
  61 #include "support/convert.h"
  62 #include "support/debug.h"
  63 #include "support/docstream.h"
  64 #include "support/FileName.h"
  65 #include "support/gettext.h"
  66 #include "support/lassert.h"
  67 #include "support/lstrings.h"
  68 #include "support/unique_ptr.h"
  69
  70 #include <cstring>
  71 #include <iomanip>
  72 #include <iostream>
  73 #include <limits>
  74 #include <sstream>
  75
  76 using namespace std;
  77 using namespace lyx::support;
  78
  79
  80
  81 namespace lyx {
  82
  83 using cap::dirtyTabularStack;
  84 using cap::tabularStackDirty;
  85
  86 using graphics::PreviewLoader;
  87
  88 using frontend::Painter;
  89 using frontend::Clipboard;
  90
  91 namespace Alert = frontend::Alert;
  92
  93
  94 namespace {
  95
  96 int const ADD_TO_HEIGHT = 2; // in cell
  97 int const ADD_TO_TABULAR_WIDTH = 6; // horizontal space before and after the table
  98 int const default_line_space = 10; // ?
  99 int const WIDTH_OF_LINE = 5; // space between double lines
 100
 101
 102 ///
 103 unique_ptr<Tabular> paste_tabular;
 104
 105
 106 struct TabularFeature {
 107         Tabular::Feature action;
 108         string feature;
 109         bool need_value;
 110 };
 111
 112
 113 TabularFeature tabularFeature[] =
 114 {
 115         // the SET/UNSET actions are used by the table dialog,
 116         // the TOGGLE actions by the table toolbar buttons
 117         // FIXME: these values have been hardcoded in InsetMathGrid and other
 118         // math insets.
 119         { Tabular::APPEND_ROW, "append-row", false },
 120         { Tabular::APPEND_COLUMN, "append-column", false },
 121         { Tabular::DELETE_ROW, "delete-row", false },
 122         { Tabular::DELETE_COLUMN, "delete-column", false },
 123         { Tabular::COPY_ROW, "copy-row", false },
 124         { Tabular::COPY_COLUMN, "copy-column", false },
 125         { Tabular::MOVE_COLUMN_RIGHT, "move-column-right", false },
 126         { Tabular::MOVE_COLUMN_LEFT, "move-column-left", false },
 127         { Tabular::MOVE_ROW_DOWN, "move-row-down", false },
 128         { Tabular::MOVE_ROW_UP, "move-row-up", false },
 129         { Tabular::SET_LINE_TOP, "set-line-top", true },
 130         { Tabular::SET_LINE_BOTTOM, "set-line-bottom", true },
 131         { Tabular::SET_LTRIM_TOP, "set-ltrim-top", true },
 132         { Tabular::SET_LTRIM_BOTTOM, "set-ltrim-bottom", true },
 133         { Tabular::SET_RTRIM_TOP, "set-rtrim-top", true },
 134         { Tabular::SET_RTRIM_BOTTOM, "set-rtrim-bottom", true },
 135         { Tabular::SET_LINE_LEFT, "set-line-left", true },
 136         { Tabular::SET_LINE_RIGHT, "set-line-right", true },
 137         { Tabular::TOGGLE_LINE_TOP, "toggle-line-top", false },
 138         { Tabular::TOGGLE_LINE_BOTTOM, "toggle-line-bottom", false },
 139         { Tabular::TOGGLE_LINE_LEFT, "toggle-line-left", false },
 140         { Tabular::TOGGLE_LINE_RIGHT, "toggle-line-right", false },
 141         { Tabular::TOGGLE_LTRIM_TOP, "toggle-ltrim-top", false },
 142         { Tabular::TOGGLE_LTRIM_BOTTOM, "toggle-ltrim-bottom", false },
 143         { Tabular::TOGGLE_RTRIM_TOP, "toggle-rtrim-top", false },
 144         { Tabular::TOGGLE_RTRIM_BOTTOM, "toggle-rtrim-bottom", false },
 145         { Tabular::ALIGN_LEFT, "align-left", false },
 146         { Tabular::ALIGN_RIGHT, "align-right", false },
 147         { Tabular::ALIGN_CENTER, "align-center", false },
 148         { Tabular::ALIGN_BLOCK, "align-block", false },
 149         { Tabular::ALIGN_DECIMAL, "align-decimal", false },
 150         { Tabular::VALIGN_TOP, "valign-top", false },
 151         { Tabular::VALIGN_BOTTOM, "valign-bottom", false },
 152         { Tabular::VALIGN_MIDDLE, "valign-middle", false },
 153         { Tabular::M_ALIGN_LEFT, "m-align-left", false },
 154         { Tabular::M_ALIGN_RIGHT, "m-align-right", false },
 155         { Tabular::M_ALIGN_CENTER, "m-align-center", false },
 156         { Tabular::M_VALIGN_TOP, "m-valign-top", false },
 157         { Tabular::M_VALIGN_BOTTOM, "m-valign-bottom", false },
 158         { Tabular::M_VALIGN_MIDDLE, "m-valign-middle", false },
 159         { Tabular::MULTICOLUMN, "multicolumn", false },
 160         { Tabular::SET_MULTICOLUMN, "set-multicolumn", false },
 161         { Tabular::UNSET_MULTICOLUMN, "unset-multicolumn", false },
 162         { Tabular::MULTIROW, "multirow", false },
 163         { Tabular::SET_MULTIROW, "set-multirow", false },
 164         { Tabular::UNSET_MULTIROW, "unset-multirow", false },
 165         { Tabular::SET_MROFFSET, "set-mroffset", true },
 166         { Tabular::SET_ALL_LINES, "set-all-lines", false },
 167         { Tabular::TOGGLE_ALL_LINES, "toggle-all-lines", false },
 168         { Tabular::RESET_FORMAL_DEFAULT, "reset-formal-default", false },
 169         { Tabular::UNSET_ALL_LINES, "unset-all-lines", false },
 170         { Tabular::TOGGLE_LONGTABULAR, "toggle-longtabular", false },
 171         { Tabular::SET_LONGTABULAR, "set-longtabular", false },
 172         { Tabular::UNSET_LONGTABULAR, "unset-longtabular", false },
 173         { Tabular::SET_PWIDTH, "set-pwidth", true },
 174         { Tabular::SET_MPWIDTH, "set-mpwidth", true },
 175         { Tabular::TOGGLE_VARWIDTH_COLUMN, "toggle-varwidth-column", true },
 176         { Tabular::SET_ROTATE_TABULAR, "set-rotate-tabular", true },
 177         { Tabular::UNSET_ROTATE_TABULAR, "unset-rotate-tabular", true },
 178         { Tabular::TOGGLE_ROTATE_TABULAR, "toggle-rotate-tabular", true },
 179         { Tabular::SET_ROTATE_CELL, "set-rotate-cell", true },
 180         { Tabular::UNSET_ROTATE_CELL, "unset-rotate-cell", true },
 181         { Tabular::TOGGLE_ROTATE_CELL, "toggle-rotate-cell", true },
 182         { Tabular::SET_USEBOX, "set-usebox", true },
 183         { Tabular::SET_LTHEAD, "set-lthead", true },
 184         { Tabular::UNSET_LTHEAD, "unset-lthead", true },
 185         { Tabular::SET_LTFIRSTHEAD, "set-ltfirsthead", true },
 186         { Tabular::UNSET_LTFIRSTHEAD, "unset-ltfirsthead", true },
 187         { Tabular::SET_LTFOOT, "set-ltfoot", true },
 188         { Tabular::UNSET_LTFOOT, "unset-ltfoot", true },
 189         { Tabular::SET_LTLASTFOOT, "set-ltlastfoot", true },
 190         { Tabular::UNSET_LTLASTFOOT, "unset-ltlastfoot", true },
 191         { Tabular::SET_LTNEWPAGE, "set-ltnewpage", false },
 192         { Tabular::UNSET_LTNEWPAGE, "unset-ltnewpage", false },
 193         { Tabular::TOGGLE_LTCAPTION, "toggle-ltcaption", false },
 194         { Tabular::SET_LTCAPTION, "set-ltcaption", false },
 195         { Tabular::UNSET_LTCAPTION, "unset-ltcaption", false },
 196         { Tabular::SET_SPECIAL_COLUMN, "set-special-column", true },
 197         { Tabular::SET_SPECIAL_MULTICOLUMN, "set-special-multicolumn", true },
 198         { Tabular::TOGGLE_BOOKTABS, "toggle-booktabs", false },
 199         { Tabular::SET_BOOKTABS, "set-booktabs", false },
 200         { Tabular::UNSET_BOOKTABS, "unset-booktabs", false },
 201         { Tabular::SET_TOP_SPACE, "set-top-space", true },
 202         { Tabular::SET_BOTTOM_SPACE, "set-bottom-space", true },
 203         { Tabular::SET_INTERLINE_SPACE, "set-interline-space", true },
 204         { Tabular::SET_BORDER_LINES, "set-border-lines", false },
 205         { Tabular::TOGGLE_BORDER_LINES, "toggle-border-lines", false },
 206         { Tabular::TABULAR_VALIGN_TOP, "tabular-valign-top", false},
 207         { Tabular::TABULAR_VALIGN_MIDDLE, "tabular-valign-middle", false},
 208         { Tabular::TABULAR_VALIGN_BOTTOM, "tabular-valign-bottom", false},
 209         { Tabular::LONGTABULAR_ALIGN_LEFT, "longtabular-align-left", false },
 210         { Tabular::LONGTABULAR_ALIGN_CENTER, "longtabular-align-center", false },
 211         { Tabular::LONGTABULAR_ALIGN_RIGHT, "longtabular-align-right", false },
 212         { Tabular::SET_DECIMAL_POINT, "set-decimal-point", true },
 213         { Tabular::SET_TABULAR_WIDTH, "set-tabular-width", true },
 214         { Tabular::SET_INNER_LINES, "set-inner-lines", false },
 215         { Tabular::TOGGLE_INNER_LINES, "toggle-inner-lines", false },
 216         { Tabular::LAST_ACTION, "", false }
 217 };
 218
 219
 220 string const tostr(LyXAlignment const & num)
 221 {
 222         switch (num) {
 223         case LYX_ALIGN_NONE:
 224                 return "none";
 225         case LYX_ALIGN_BLOCK:
 226                 return "block";
 227         case LYX_ALIGN_LEFT:
 228                 return "left";
 229         case LYX_ALIGN_CENTER:
 230                 return "center";
 231         case LYX_ALIGN_RIGHT:
 232                 return "right";
 233         case LYX_ALIGN_LAYOUT:
 234                 return "layout";
 235         case LYX_ALIGN_SPECIAL:
 236                 return "special";
 237         case LYX_ALIGN_DECIMAL:
 238                 return "decimal";
 239         }
 240         return string();
 241 }
 242
 243
 244 string const tostr(Tabular::HAlignment const & num)
 245 {
 246         switch (num) {
 247         case Tabular::LYX_LONGTABULAR_ALIGN_LEFT:
 248                 return "left";
 249         case Tabular::LYX_LONGTABULAR_ALIGN_CENTER:
 250                 return "center";
 251         case Tabular::LYX_LONGTABULAR_ALIGN_RIGHT:
 252                 return "right";
 253         }
 254         return string();
 255 }
 256
 257
 258 string const tostr(Tabular::VAlignment const & num)
 259 {
 260         switch (num) {
 261         case Tabular::LYX_VALIGN_TOP:
 262                 return "top";
 263         case Tabular::LYX_VALIGN_MIDDLE:
 264                 return "middle";
 265         case Tabular::LYX_VALIGN_BOTTOM:
 266                 return "bottom";
 267         }
 268         return string();
 269 }
 270
 271
 272 string const tostr(Tabular::BoxType const & num)
 273 {
 274         switch (num) {
 275         case Tabular::BOX_NONE:
 276                 return "none";
 277         case Tabular::BOX_PARBOX:
 278                 return "parbox";
 279         case Tabular::BOX_MINIPAGE:
 280                 return "minipage";
 281         case Tabular::BOX_VARWIDTH:
 282                 return "varwidth";
 283         }
 284         return string();
 285 }
 286
 287
 288 // I would have liked a fromstr template a lot better. (Lgb)
 289 bool string2type(string const & str, LyXAlignment & num)
 290 {
 291         if (str == "none")
 292                 num = LYX_ALIGN_NONE;
 293         else if (str == "block")
 294                 num = LYX_ALIGN_BLOCK;
 295         else if (str == "left")
 296                 num = LYX_ALIGN_LEFT;
 297         else if (str == "center")
 298                 num = LYX_ALIGN_CENTER;
 299         else if (str == "right")
 300                 num = LYX_ALIGN_RIGHT;
 301         else if (str == "decimal")
 302                 num = LYX_ALIGN_DECIMAL;
 303         else
 304                 return false;
 305         return true;
 306 }
 307
 308
 309 bool string2type(string const & str, Tabular::HAlignment & num)
 310 {
 311         if (str == "left")
 312                 num = Tabular::LYX_LONGTABULAR_ALIGN_LEFT;
 313         else if (str == "center" )
 314                 num = Tabular::LYX_LONGTABULAR_ALIGN_CENTER;
 315         else if (str == "right")
 316                 num = Tabular::LYX_LONGTABULAR_ALIGN_RIGHT;
 317         else
 318                 return false;
 319         return true;
 320 }
 321
 322
 323 bool string2type(string const & str, Tabular::VAlignment & num)
 324 {
 325         if (str == "top")
 326                 num = Tabular::LYX_VALIGN_TOP;
 327         else if (str == "middle" )
 328                 num = Tabular::LYX_VALIGN_MIDDLE;
 329         else if (str == "bottom")
 330                 num = Tabular::LYX_VALIGN_BOTTOM;
 331         else
 332                 return false;
 333         return true;
 334 }
 335
 336
 337 bool string2type(string const & str, Tabular::BoxType & num)
 338 {
 339         if (str == "none")
 340                 num = Tabular::BOX_NONE;
 341         else if (str == "parbox")
 342                 num = Tabular::BOX_PARBOX;
 343         else if (str == "minipage")
 344                 num = Tabular::BOX_MINIPAGE;
 345         else if (str == "varwidth")
 346                 num = Tabular::BOX_VARWIDTH;
 347         else
 348                 return false;
 349         return true;
 350 }
 351
 352
 353 bool string2type(string const & str, bool & num)
 354 {
 355         if (str == "true")
 356                 num = true;
 357         else if (str == "false")
 358                 num = false;
 359         else
 360                 return false;
 361         return true;
 362 }
 363
 364
 365 bool getTokenValue(string const & str, char const * token, string & ret)
 366 {
 367         ret.erase();
 368         size_t token_length = strlen(token);
 369         size_t pos = str.find(token);
 370
 371         if (pos == string::npos || pos + token_length + 1 >= str.length()
 372                 || str[pos + token_length] != '=')
 373                 return false;
 374         pos += token_length + 1;
 375         char ch = str[pos];
 376         if (ch != '"' && ch != '\'') { // only read till next space
 377                 ret += ch;
 378                 ch = ' ';
 379         }
 380         while (pos < str.length() - 1 && str[++pos] != ch)
 381                 ret += str[pos];
 382
 383         return true;
 384 }
 385
 386
 387 bool getTokenValue(string const & str, char const * token, docstring & ret)
 388 {
 389         string tmp;
 390         bool const success = getTokenValue(str, token, tmp);
 391         ret = from_utf8(tmp);
 392         return success;
 393 }
 394
 395
 396 bool getTokenValue(string const & str, char const * token, int & num)
 397 {
 398         string tmp;
 399         num = 0;
 400         if (!getTokenValue(str, token, tmp))
 401                 return false;
 402         num = convert<int>(tmp);
 403         return true;
 404 }
 405
 406
 407 bool getTokenValue(string const & str, char const * token, LyXAlignment & num)
 408 {
 409         string tmp;
 410         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 411 }
 412
 413
 414 bool getTokenValue(string const & str, char const * token,
 415                                    Tabular::HAlignment & num)
 416 {
 417         string tmp;
 418         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 419 }
 420
 421
 422 bool getTokenValue(string const & str, char const * token,
 423                                    Tabular::VAlignment & num)
 424 {
 425         string tmp;
 426         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 427 }
 428
 429
 430 bool getTokenValue(string const & str, char const * token,
 431                                    Tabular::BoxType & num)
 432 {
 433         string tmp;
 434         return getTokenValue(str, token, tmp) && string2type(tmp, num);
 435 }
 436
 437
 438 bool getTokenValue(string const & str, char const * token, bool & flag)
 439 {
 440         // set the flag always to false as this should be the default for bools
 441         // not in the file-format.
 442         flag = false;
 443         string tmp;
 444         return getTokenValue(str, token, tmp) && string2type(tmp, flag);
 445 }
 446
 447
 448 bool getTokenValue(string const & str, char const * token, Length & len)
 449 {
 450         // set the length to be zero() as default as this it should be if not
 451         // in the file format.
 452         len = Length();
 453         string tmp;
 454         return getTokenValue(str, token, tmp) && isValidLength(tmp, &len);
 455 }
 456
 457
 458 bool getTokenValue(string const & str, char const * token, Change & change, BufferParams & bp)
 459 {
 460         // set the change to be Change() as default as this it should be if not
 461         // in the file format.
 462         change = Change();
 463         string tmp;
 464         if (getTokenValue(str, token, tmp)) {
 465                 vector<string> const changedata = getVectorFromString(tmp, " ");
 466                 if (changedata.size() != 3) {
 467                         Alert::warning(_("Change tracking data incomplete"),
 468                                        _("Change tracking information for tabular row/column "
 469                                          "is incomplete. I will ignore this."));
 470                         return false;
 471                 }
 472                 BufferParams::AuthorMap const & am = bp.author_map_;
 473                 int aid = convert<int>(changedata[1]);
 474                 if (am.find(aid) == am.end()) {
 475                         // FIXME Use ErrorList
 476                         Alert::warning(_("Change tracking author index missing"),
 477                                 bformat(_("A change tracking author information for index "
 478                                           "%1$d is missing. This can happen after a wrong "
 479                                           "merge by a version control system. In this case, "
 480                                           "either fix the merge, or have this information "
 481                                           "missing until the corresponding tracked changes "
 482                                           "are merged or this user edits the file again.\n"),
 483                                         aid));
 484                         bp.addAuthor(Author(aid));
 485                 }
 486                 istringstream is(changedata[2]);
 487                 time_t ct;
 488                 is >> ct;
 489                 if (changedata[0] == "inserted") {
 490                         change = Change(Change::INSERTED, am.find(aid)->second, ct);
 491                         return true;
 492                 } else if (changedata[0] == "deleted") {
 493                         change = Change(Change::DELETED, am.find(aid)->second, ct);
 494                         return true;
 495                 }
 496         }
 497         return false;
 498 }
 499
 500
 501 bool getTokenValue(string const & str, char const * token, Length & len, bool & flag)
 502 {
 503         len = Length();
 504         flag = false;
 505         string tmp;
 506         if (!getTokenValue(str, token, tmp))
 507                 return false;
 508         if (tmp == "default") {
 509                 flag = true;
 510                 return  true;
 511         }
 512         return isValidLength(tmp, &len);
 513 }
 514
 515
 516 void l_getline(istream & is, string & str)
 517 {
 518         str.erase();
 519         while (str.empty()) {
 520                 getline(is, str);
 521                 if (!str.empty() && str[str.length() - 1] == '\r')
 522                         str.erase(str.length() - 1);
 523         }
 524 }
 525
 526 template <class T>
 527 string const write_attribute(string const & name, T const & t)
 528 {
 529         string const s = tostr(t);
 530         return s.empty() ? s : " " + name + "=\"" + s + "\"";
 531 }
 532
 533 template <>
 534 string const write_attribute(string const & name, string const & t)
 535 {
 536         return t.empty() ? t : " " + name + "=\"" + t + "\"";
 537 }
 538
 539
 540 template <>
 541 string const write_attribute(string const & name, docstring const & t)
 542 {
 543         return t.empty() ? string() : " " + name + "=\"" + to_utf8(t) + "\"";
 544 }
 545
 546
 547 template <>
 548 string const write_attribute(string const & name, bool const & b)
 549 {
 550         // we write only true attribute values so we remove a bit of the
 551         // file format bloat for tabulars.
 552         return b ? write_attribute(name, convert<string>(b)) : string();
 553 }
 554
 555
 556 template <>
 557 string const write_attribute(string const & name, int const & i)
 558 {
 559         // we write only true attribute values so we remove a bit of the
 560         // file format bloat for tabulars.
 561         return i ? write_attribute(name, convert<string>(i)) : string();
 562 }
 563
 564
 565 template <>
 566 string const write_attribute(string const & name, idx_type const & i)
 567 {
 568         // we write only true attribute values so we remove a bit of the
 569         // file format bloat for tabulars.
 570         return i ? write_attribute(name, convert<string>(i)) : string();
 571 }
 572
 573
 574 template <>
 575 string const write_attribute(string const & name, Length const & value)
 576 {
 577         // we write only the value if we really have one same reason as above.
 578         return value.zero() ? string() : write_attribute(name, value.asString());
 579 }
 580
 581 string const write_attribute(string const & name, Change const & change, BufferParams const & bp)
 582 {
 583         odocstringstream ods;
 584         if (change.inserted())
 585                 ods << from_ascii("inserted");
 586         else if (change.deleted())
 587                 ods << from_ascii("deleted");
 588         if (change.changed()) {
 589                 ods << " " << bp.authors().get(change.author).bufferId()
 590                     << " " << change.changetime;
 591                 return write_attribute(name, ods.str());
 592         }
 593         return string();
 594 }
 595
 596 } // namespace
 597
 598
 599 string const featureAsString(Tabular::Feature action)
 600 {
 601         for (size_t i = 0; i != Tabular::LAST_ACTION; ++i) {
 602                 if (tabularFeature[i].action == action)
 603                         return tabularFeature[i].feature;
 604         }
 605         return string();
 606 }
 607
 608
 609 DocIterator separatorPos(InsetTableCell const * cell, docstring const & align_d)
 610 {
 611         DocIterator dit = doc_iterator_begin(&(cell->buffer()), cell);
 612         for (; dit; dit.forwardChar())
 613                 if (dit.inTexted() && dit.depth() == 1
 614                         && dit.paragraph().find(align_d, false, false, dit.pos()))
 615                         break;
 616
 617         return dit;
 618 }
 619
 620
 621 InsetTableCell splitCell(InsetTableCell & head, docstring const & align_d, bool & hassep)
 622 {
 623         InsetTableCell tail = head;
 624         DocIterator const dit = separatorPos(&head, align_d);
 625         hassep = static_cast<bool>(dit);
 626         if (hassep) {
 627                 pos_type const psize = head.paragraphs().front().size();
 628                 head.paragraphs().front().eraseChars(dit.pos(), psize, false);
 629                 tail.paragraphs().front().eraseChars(0,
 630                         dit.pos() < psize ? dit.pos() + 1 : psize, false);
 631         }
 632
 633         return tail;
 634 }
 635
 636
 637 /////////////////////////////////////////////////////////////////////
 638 //
 639 // Tabular
 640 //
 641 /////////////////////////////////////////////////////////////////////
 642
 643
 644 Tabular::CellData::CellData(Buffer * buf)
 645         : cellno(0),
 646           width(0),
 647           multicolumn(Tabular::CELL_NORMAL),
 648           multirow(Tabular::CELL_NORMAL),
 649           alignment(LYX_ALIGN_CENTER),
 650           valignment(LYX_VALIGN_TOP),
 651           decimal_hoffset(0),
 652           decimal_width(0),
 653           voffset(0),
 654           top_line(false),
 655           bottom_line(false),
 656           left_line(false),
 657           right_line(false),
 658           top_line_rtrimmed(false),
 659           top_line_ltrimmed(false),
 660           bottom_line_rtrimmed(false),
 661           bottom_line_ltrimmed(false),
 662           usebox(BOX_NONE),
 663           rotate(0),
 664           inset(new InsetTableCell(buf))
 665 {
 666         inset->setBuffer(*buf);
 667 }
 668
 669
 670 Tabular::CellData::CellData(CellData const & cs)
 671         : cellno(cs.cellno),
 672           width(cs.width),
 673           multicolumn(cs.multicolumn),
 674           multirow(cs.multirow),
 675           mroffset(cs.mroffset),
 676           alignment(cs.alignment),
 677           valignment(cs.valignment),
 678           decimal_hoffset(cs.decimal_hoffset),
 679           decimal_width(cs.decimal_width),
 680           voffset(cs.voffset),
 681           top_line(cs.top_line),
 682           bottom_line(cs.bottom_line),
 683           left_line(cs.left_line),
 684           right_line(cs.right_line),
 685           top_line_rtrimmed(cs.top_line_rtrimmed),
 686           top_line_ltrimmed(cs.top_line_ltrimmed),
 687           bottom_line_rtrimmed(cs.bottom_line_rtrimmed),
 688           bottom_line_ltrimmed(cs.bottom_line_ltrimmed),
 689           usebox(cs.usebox),
 690           rotate(cs.rotate),
 691           align_special(cs.align_special),
 692           p_width(cs.p_width),
 693           inset(static_cast<InsetTableCell *>(cs.inset->clone()))
 694 {
 695 }
 696
 697 Tabular::CellData & Tabular::CellData::operator=(CellData const & cs)
 698 {
 699         if (&cs == this)
 700                 return *this;
 701         cellno = cs.cellno;
 702         width = cs.width;
 703         multicolumn = cs.multicolumn;
 704         multirow = cs.multirow;
 705         mroffset = cs.mroffset;
 706         alignment = cs.alignment;
 707         valignment = cs.valignment;
 708         decimal_hoffset = cs.decimal_hoffset;
 709         decimal_width = cs.decimal_width;
 710         voffset = cs.voffset;
 711         top_line = cs.top_line;
 712         bottom_line = cs.bottom_line;
 713         left_line = cs.left_line;
 714         right_line = cs.right_line;
 715         top_line_rtrimmed = cs.top_line_rtrimmed;
 716         top_line_ltrimmed = cs.top_line_ltrimmed;
 717         bottom_line_rtrimmed = cs.bottom_line_rtrimmed;
 718         bottom_line_ltrimmed = cs.bottom_line_ltrimmed;
 719         usebox = cs.usebox;
 720         rotate = cs.rotate;
 721         align_special = cs.align_special;
 722         p_width = cs.p_width;
 723         inset.reset(static_cast<InsetTableCell *>(cs.inset->clone()));
 724         return *this;
 725 }
 726
 727 Tabular::RowData::RowData()
 728         : ascent(0),
 729           descent(0),
 730           top_space_default(false),
 731           bottom_space_default(false),
 732           interline_space_default(false),
 733           endhead(false),
 734           endfirsthead(false),
 735           endfoot(false),
 736           endlastfoot(false),
 737           newpage(false),
 738           caption(false),
 739           change(Change())
 740 {}
 741
 742
 743 Tabular::ColumnData::ColumnData()
 744         : alignment(LYX_ALIGN_CENTER),
 745           valignment(LYX_VALIGN_TOP),
 746           width(0),
 747           varwidth(false),
 748           change(Change())
 749 {
 750 }
 751
 752
 753 Tabular::ltType::ltType()
 754         : set(false), topDL(false),
 755           bottomDL(false),
 756           empty(false)
 757 {}
 758
 759
 760 Tabular::Tabular(Buffer * buffer, row_type rows_arg, col_type columns_arg)
 761 {
 762         init(buffer, rows_arg, columns_arg);
 763 }
 764
 765
 766 void Tabular::setBuffer(Buffer & buffer)
 767 {
 768         buffer_ = &buffer;
 769         for (row_type i = 0; i < nrows(); ++i)
 770                 for (col_type j = 0; j < ncols(); ++j)
 771                         cell_info[i][j].inset->setBuffer(*buffer_);
 772 }
 773
 774
 775 // activates all lines and sets all widths to 0
 776 void Tabular::init(Buffer * buf, row_type rows_arg,
 777                       col_type columns_arg)
 778 {
 779         buffer_ = buf;
 780         row_info = row_vector(rows_arg);
 781         column_info = column_vector(columns_arg);
 782         cell_info = cell_vvector(rows_arg, cell_vector(columns_arg, CellData(buf)));
 783         row_info.reserve(10);
 784         column_info.reserve(10);
 785         cell_info.reserve(100);
 786         updateIndexes();
 787         is_long_tabular = false;
 788         tabular_valignment = LYX_VALIGN_MIDDLE;
 789         tabular_width = Length();
 790         longtabular_alignment = LYX_LONGTABULAR_ALIGN_CENTER;
 791         rotate = 0;
 792         use_booktabs = false;
 793         // set silly default lines
 794         for (row_type r = 0; r < nrows(); ++r)
 795                 for (col_type c = 0; c < ncols(); ++c) {
 796                         cell_info[r][c].inset->setBuffer(*buffer_);
 797                         cell_info[r][c].top_line = true;
 798                         cell_info[r][c].left_line = true;
 799                         cell_info[r][c].bottom_line = r == 0 || r == nrows() - 1;
 800                         cell_info[r][c].right_line = c == ncols() - 1;
 801                 }
 802 }
 803
 804
 805 void Tabular::deleteRow(row_type const row, bool const force)
 806 {
 807         // Not allowed to delete last row
 808         if (nrows() == 1)
 809                 return;
 810
 811         bool const ct = force ? false : buffer().params().track_changes;
 812
 813         for (col_type c = 0; c < ncols(); ++c) {
 814                 // Care about multirow cells
 815                 if (row + 1 < nrows() &&
 816                     cell_info[row][c].multirow == CELL_BEGIN_OF_MULTIROW &&
 817                     cell_info[row + 1][c].multirow == CELL_PART_OF_MULTIROW) {
 818                                 cell_info[row + 1][c] = cell_info[row][c];
 819                 }
 820         }
 821         if (ct)
 822                 row_info[row].change.setDeleted();
 823         else {
 824                 row_info.erase(row_info.begin() + row);
 825                 cell_info.erase(cell_info.begin() + row);
 826         }
 827         updateIndexes();
 828 }
 829
 830
 831 void Tabular::copyRow(row_type const row)
 832 {
 833         insertRow(row, true);
 834 }
 835
 836
 837 void Tabular::appendRow(row_type row)
 838 {
 839         insertRow(row, false);
 840 }
 841
 842
 843 void Tabular::insertRow(row_type const row, bool copy)
 844 {
 845         row_info.insert(row_info.begin() + row + 1, row_info[row]);
 846         cell_info.insert(cell_info.begin() + row + 1,
 847                 cell_vector(0, CellData(buffer_)));
 848
 849         for (col_type c = 0; c < ncols(); ++c) {
 850                 cell_info[row + 1].insert(cell_info[row + 1].begin() + c,
 851                         copy ? cell_info[row][c] : CellData(buffer_));
 852                 if (cell_info[row][c].multirow == CELL_BEGIN_OF_MULTIROW)
 853                         cell_info[row + 1][c].multirow = CELL_PART_OF_MULTIROW;
 854         }
 855
 856         updateIndexes();
 857         for (col_type c = 0; c < ncols(); ++c) {
 858                 if (isPartOfMultiRow(row, c))
 859                         continue;
 860                 // inherit line settings
 861                 idx_type const i = cellIndex(row + 1, c);
 862                 idx_type const j = cellIndex(row, c);
 863                 setLeftLine(i, leftLine(j));
 864                 setRightLine(i, rightLine(j));
 865                 setTopLine(i, topLine(j));
 866                 if (topLine(j) && bottomLine(j)) {
 867                         setBottomLine(i, true);
 868                         setBottomLine(j, false);
 869                 }
 870         }
 871         if (buffer().params().track_changes) {
 872                 row_info[row + 1].change.setInserted();
 873                 updateIndexes();
 874         }
 875 }
 876
 877
 878 void Tabular::moveColumn(col_type col_start, col_type col_end,
 879                          ColDirection direction)
 880 {
 881         if (direction == Tabular::LEFT) {
 882                 for (col_type col = col_start; col <= col_end; ++col) {
 883                         std::swap(column_info[col - 1], column_info[col]);
 884                         for (row_type r = 0; r < nrows(); ++r) {
 885                                 std::swap(cell_info[r][col - 1], cell_info[r][col]);
 886                                 std::swap(cell_info[r][col - 1].left_line, cell_info[r][col].left_line);
 887                                 std::swap(cell_info[r][col - 1].right_line, cell_info[r][col].right_line);
 888
 889                                 if (buffer().params().track_changes) {
 890                                         idx_type const i = cellIndex(r, col - 1);
 891                                         idx_type const j = cellIndex(r, col);
 892                                         cellInfo(i).inset->setChange(Change(Change::INSERTED));
 893                                         cellInfo(j).inset->setChange(Change(Change::INSERTED));
 894                                 }
 895                         }
 896                         updateIndexes();
 897                         if (col == ncols())
 898                                 break;
 899                 }
 900         } else {
 901                 for (col_type col = col_end; col >= col_start; --col) {
 902                         std::swap(column_info[col], column_info[col + 1]);
 903                         for (row_type r = 0; r < nrows(); ++r) {
 904                                 std::swap(cell_info[r][col], cell_info[r][col + 1]);
 905                                 std::swap(cell_info[r][col].left_line, cell_info[r][col + 1].left_line);
 906                                 std::swap(cell_info[r][col].right_line, cell_info[r][col + 1].right_line);
 907
 908                                 if (buffer().params().track_changes) {
 909                                         idx_type const i = cellIndex(r, col);
 910                                         idx_type const j = cellIndex(r, col + 1);
 911                                         cellInfo(i).inset->setChange(Change(Change::INSERTED));
 912                                         cellInfo(j).inset->setChange(Change(Change::INSERTED));
 913                                 }
 914                         }
 915                         updateIndexes();
 916                         if (col == 0)
 917                                 break;
 918                 }
 919         }
 920 }
 921
 922
 923 void Tabular::moveRow(row_type row_start, row_type row_end, RowDirection direction)
 924 {
 925         if (direction == Tabular::UP) {
 926                 for (row_type row = row_start; row <= row_end; ++row) {
 927                         std::swap(row_info[row - 1], row_info[row]);
 928                         for (col_type c = 0; c < ncols(); ++c) {
 929                                 std::swap(cell_info[row - 1][c], cell_info[row][c]);
 930                                 std::swap(cell_info[row - 1][c].top_line, cell_info[row][c].top_line);
 931                                 std::swap(cell_info[row - 1][c].bottom_line, cell_info[row][c].bottom_line);
 932
 933                                 idx_type const i = cellIndex(row - 1, c);
 934                                 idx_type const j = cellIndex(row, c);
 935                                 if (buffer().params().track_changes) {
 936                                         cellInfo(i).inset->setChange(Change(Change::INSERTED));
 937                                         cellInfo(j).inset->setChange(Change(Change::INSERTED));
 938                                 }
 939                         }
 940                         updateIndexes();
 941                         if (row == nrows())
 942                                 break;
 943                 }
 944         } else {
 945                 for (row_type row = row_end; row >= row_start; --row) {
 946                         std::swap(row_info[row], row_info[row + 1]);
 947                         for (col_type c = 0; c < ncols(); ++c) {
 948                                 std::swap(cell_info[row][c], cell_info[row + 1][c]);
 949                                 std::swap(cell_info[row][c].top_line, cell_info[row + 1][c].top_line);
 950                                 std::swap(cell_info[row][c].bottom_line, cell_info[row + 1][c].bottom_line);
 951
 952                                 idx_type const i = cellIndex(row, c);
 953                                 idx_type const j = cellIndex(row + 1, c);
 954                                 if (buffer().params().track_changes) {
 955                                         cellInfo(i).inset->setChange(Change(Change::INSERTED));
 956                                         cellInfo(j).inset->setChange(Change(Change::INSERTED));
 957                                 }
 958                         }
 959                         updateIndexes();
 960                         if (row == 0)
 961                                 break;
 962                 }
 963         }
 964 }
 965
 966
 967 void Tabular::deleteColumn(col_type const col, bool const force)
 968 {
 969         // Not allowed to delete last column
 970         if (ncols() == 1)
 971                 return;
 972
 973         bool const ct = force ? false : buffer().params().track_changes;
 974
 975         for (row_type r = 0; r < nrows(); ++r) {
 976                 // Care about multicolumn cells
 977                 if (col + 1 < ncols() &&
 978                     cell_info[r][col].multicolumn == CELL_BEGIN_OF_MULTICOLUMN &&
 979                     cell_info[r][col + 1].multicolumn == CELL_PART_OF_MULTICOLUMN) {
 980                                 cell_info[r][col + 1] = cell_info[r][col];
 981                 }
 982                 if (!ct)
 983                         cell_info[r].erase(cell_info[r].begin() + col);
 984         }
 985         if (ct)
 986                 column_info[col].change.setDeleted();
 987         else
 988                 column_info.erase(column_info.begin() + col);
 989         updateIndexes();
 990 }
 991
 992
 993 void Tabular::copyColumn(col_type const col)
 994 {
 995         insertColumn(col, true);
 996 }
 997
 998
 999 void Tabular::appendColumn(col_type col)
1000 {
1001         insertColumn(col, false);
1002 }
1003
1004
1005 void Tabular::insertColumn(col_type const col, bool copy)
1006 {
1007         bool const ct = buffer().params().track_changes;
1008         column_info.insert(column_info.begin() + col + 1, column_info[col]);
1009
1010         for (row_type r = 0; r < nrows(); ++r) {
1011                 cell_info[r].insert(cell_info[r].begin() + col + 1,
1012                         copy ? cell_info[r][col] : CellData(buffer_));
1013                 if (cell_info[r][col].multicolumn == CELL_BEGIN_OF_MULTICOLUMN)
1014                         cell_info[r][col + 1].multicolumn = CELL_PART_OF_MULTICOLUMN;
1015         }
1016         updateIndexes();
1017         for (row_type r = 0; r < nrows(); ++r) {
1018                 // inherit line settings
1019                 idx_type const i = cellIndex(r, col + 1);
1020                 idx_type const j = cellIndex(r, col);
1021                 setBottomLine(i, bottomLine(j));
1022                 setTopLine(i, topLine(j));
1023                 setLeftLine(i, leftLine(j));
1024                 setRightLine(i, rightLine(j));
1025                 if (rightLine(i) && rightLine(j)) {
1026                         setRightLine(j, false);
1027                 }
1028         }
1029         if (ct) {
1030                 column_info[col + 1].change.setInserted();
1031                 updateIndexes();
1032         }
1033 }
1034
1035
1036 void Tabular::updateIndexes()
1037 {
1038         setBuffer(buffer());
1039         numberofcells = 0;
1040         // reset cell number
1041         for (row_type row = 0; row < nrows(); ++row)
1042                 for (col_type column = 0; column < ncols(); ++column) {
1043                         if (!isPartOfMultiColumn(row, column)
1044                                 && !isPartOfMultiRow(row, column))
1045                                 ++numberofcells;
1046                         if (isPartOfMultiRow(row, column))
1047                                 cell_info[row][column].cellno = cell_info[row - 1][column].cellno;
1048                         else
1049                                 cell_info[row][column].cellno = numberofcells - 1;
1050                 }
1051
1052         rowofcell.resize(numberofcells);
1053         columnofcell.resize(numberofcells);
1054         idx_type i = 0;
1055         // reset column and row of cells and update their width, alignment and ct status
1056         for (row_type row = 0; row < nrows(); ++row) {
1057                 for (col_type column = 0; column < ncols(); ++column) {
1058                         if (isPartOfMultiColumn(row, column)) {
1059                                 cell_info[row][column].inset->toggleMultiCol(true);
1060                                 continue;
1061                         }
1062                         cell_info[row][column].inset->toggleMultiCol(false);
1063                         // columnofcell needs to be called before setting width and alignment
1064                         // multirow cells inherit the width from the column width
1065                         if (!isPartOfMultiRow(row, column)) {
1066                                 columnofcell[i] = column;
1067                                 rowofcell[i] = row;
1068                         }
1069                         setFixedWidth(row, column);
1070                         if (isPartOfMultiRow(row, column)) {
1071                                 cell_info[row][column].inset->toggleMultiRow(true);
1072                                 continue;
1073                         }
1074                         cell_info[row][column].inset->toggleMultiRow(false);
1075                         cell_info[row][column].inset->setContentAlignment(
1076                                 getAlignment(cellIndex(row, column)));
1077                         if (buffer().params().track_changes) {
1078                                 if (row_info[row].change.changed())
1079                                         cell_info[row][column].inset->setChange(row_info[row].change);
1080                                 if (column_info[column].change.changed())
1081                                         cell_info[row][column].inset->setChange(column_info[column].change);
1082                         }
1083                         ++i;
1084                 }
1085         }
1086 }
1087
1088
1089 idx_type Tabular::numberOfCellsInRow(row_type const row) const
1090 {
1091         idx_type result = 0;
1092         for (col_type c = 0; c < ncols(); ++c)
1093                 if (cell_info[row][c].multicolumn != Tabular::CELL_PART_OF_MULTICOLUMN)
1094                         ++result;
1095         return result;
1096 }
1097
1098
1099 bool Tabular::topLine(idx_type const cell) const
1100 {
1101         return cellInfo(cell).top_line;
1102 }
1103
1104
1105 bool Tabular::bottomLine(idx_type const cell) const
1106 {
1107         return cellInfo(cell).bottom_line;
1108 }
1109
1110
1111 bool Tabular::leftLine(idx_type cell, bool const ignore_bt) const
1112 {
1113         if (use_booktabs && !ignore_bt)
1114                 return false;
1115         return cellInfo(cell).left_line;
1116 }
1117
1118
1119 bool Tabular::rightLine(idx_type cell, bool const ignore_bt) const
1120 {
1121         if (use_booktabs && !ignore_bt)
1122                 return false;
1123         return cellInfo(cell).right_line;
1124 }
1125
1126
1127 bool Tabular::outsideBorders(
1128         row_type const sel_row_start, row_type const sel_row_end,
1129         col_type const sel_col_start, col_type const sel_col_end) const
1130 {
1131         if (!use_booktabs)
1132                 for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
1133                         if (!leftLine(cellIndex(r, sel_col_start))
1134                                 || !rightLine(cellIndex(r, sel_col_end)))
1135                                 return false;
1136                 }
1137         for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
1138                 if (!topLine(cellIndex(sel_row_start, c))
1139                         || !bottomLine(cellIndex(sel_row_end, c)))
1140                         return false;
1141         }
1142         return true;
1143 }
1144
1145
1146 bool Tabular::innerBorders(
1147         row_type const sel_row_start, row_type const sel_row_end,
1148         col_type const sel_col_start, col_type const sel_col_end) const
1149 {
1150         // Single cell has no inner borders
1151         if (sel_row_start == sel_row_end && sel_col_start == sel_col_end)
1152                 return false;
1153         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
1154                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
1155                         idx_type const cell = cellIndex(r, c);
1156                         if ((r != sel_row_start && !topLine(cell)
1157                                         && cell_info[r][c].multirow != CELL_PART_OF_MULTIROW)
1158                                 || (!use_booktabs
1159                                         && c != sel_col_start && !leftLine(cell)
1160                                         && cell_info[r][c].multicolumn != CELL_PART_OF_MULTICOLUMN))
1161                                 return false;
1162                 }
1163         return true;
1164 }
1165
1166
1167 void Tabular::setLines(
1168         row_type const sel_row_start, row_type const sel_row_end,
1169         col_type const sel_col_start, col_type const sel_col_end,
1170         bool setLinesInnerOnly, bool setLines)
1171 {
1172         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
1173                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
1174                         idx_type const cell = cellIndex(r, c);
1175                         if (!(setLinesInnerOnly && r == sel_row_start)
1176                                 // for multirows, cell is taken care of at beginning
1177                                 && cell_info[r][c].multirow != CELL_PART_OF_MULTIROW)
1178                                 setTopLine(cell, setLines);
1179                         if (!(setLinesInnerOnly && r == sel_row_end)
1180                                 &&  (r == sel_row_end || (!setLines
1181                                         // for multirows, cell is taken care of at the last part
1182                                         && cell_info[r + 1][c].multirow != CELL_PART_OF_MULTIROW)))
1183                                 setBottomLine(cell, setLines);
1184                         if (!(setLinesInnerOnly && c == sel_col_start)
1185                                 // for multicolumns, cell is taken care of at beginning
1186                                 && cell_info[r][c].multicolumn != CELL_PART_OF_MULTICOLUMN)
1187                                 setLeftLine(cell, setLines);
1188                         if (!(setLinesInnerOnly && c == sel_col_end)
1189                                 && (c == sel_col_end || (!setLines
1190                                         // for multicolumns, cell is taken care of at the last part
1191                                         && cell_info[r][c + 1].multicolumn != CELL_PART_OF_MULTICOLUMN)))
1192                                 setRightLine(cell, setLines);
1193                 }
1194 }
1195
1196
1197 pair<bool, bool> Tabular::topLineTrim(idx_type const cell) const
1198 {
1199         if (!use_booktabs)
1200                 return make_pair(false, false);
1201         return make_pair(cellInfo(cell).top_line_ltrimmed,
1202                          cellInfo(cell).top_line_rtrimmed);
1203 }
1204
1205
1206 pair<bool, bool> Tabular::bottomLineTrim(idx_type const cell) const
1207 {
1208         if (!use_booktabs)
1209                 return make_pair(false, false);
1210         return make_pair(cellInfo(cell).bottom_line_ltrimmed,
1211                          cellInfo(cell).bottom_line_rtrimmed);
1212 }
1213
1214
1215 int Tabular::interRowSpace(row_type row) const
1216 {
1217         if (!row || row >= nrows())
1218                 return 0;
1219
1220         int const interline_space = row_info[row - 1].interline_space_default ?
1221                 default_line_space :
1222                 row_info[row - 1].interline_space.inPixels(width());
1223         if (rowTopLine(row) && rowBottomLine(row - 1))
1224                 return interline_space + WIDTH_OF_LINE;
1225         return interline_space;
1226 }
1227
1228
1229 int Tabular::interColumnSpace(idx_type cell) const
1230 {
1231         col_type const nextcol = cellColumn(cell) + columnSpan(cell);
1232         if (rightLine(cell) && nextcol < ncols()
1233                 && leftLine(cellIndex(cellRow(cell), nextcol)))
1234                 return WIDTH_OF_LINE;
1235         return 0;
1236 }
1237
1238
1239 int Tabular::cellWidth(idx_type cell) const
1240 {
1241         int w = 0;
1242         col_type const span = columnSpan(cell);
1243         col_type const col = cellColumn(cell);
1244         for(col_type c = col; c < col + span ; ++c)
1245                 w += column_info[c].width;
1246         return w;
1247 }
1248
1249
1250 int Tabular::cellHeight(idx_type cell) const
1251 {
1252         row_type const span = rowSpan(cell);
1253         row_type const row = cellRow(cell);
1254         int h = 0;
1255         for(row_type r = row; r < row + span ; ++r) {
1256                 h += rowAscent(r) + rowDescent(r);
1257                 if (r != row + span - 1)
1258                         h += interRowSpace(r + 1);
1259         }
1260
1261         return h;
1262 }
1263
1264
1265 bool Tabular::updateColumnWidths(MetricsInfo & mi)
1266 {
1267         vector<int> max_dwidth(ncols(), 0);
1268         // collect max. fixed width of column
1269         map<col_type, int> max_pwidth;
1270         // collect max. variable width of column
1271         map<col_type, int> max_width;
1272
1273         for(col_type c = 0; c < ncols(); ++c)
1274                 for(row_type r = 0; r < nrows(); ++r) {
1275                         idx_type const i = cellIndex(r, c);
1276                         if (getAlignment(i) == LYX_ALIGN_DECIMAL)
1277                                 max_dwidth[c] = max(max_dwidth[c], cell_info[r][c].decimal_width);
1278                         if (!getPWidth(i).zero())
1279                                 max_pwidth[c] = max(max_pwidth[c], cell_info[r][c].width);
1280                         else if (!column_info[c].varwidth)
1281                                 max_width[c] = max(max_width[c], cell_info[r][c].width);
1282                 }
1283
1284         // If we have a fixed tabular width, we take this into account
1285         Length tab_width = tabular_width;
1286         bool const tabularx = hasVarwidthColumn();
1287         if (tabularx && tab_width.zero())
1288                 // If no tabular width is specified with X columns,
1289                 // we use 100% colwidth
1290                 tab_width = Length(100, Length::PCW);
1291         int restwidth = -1;
1292         if (!tab_width.zero()) {
1293                 restwidth = mi.base.inPixels(tab_width);
1294                 // Subtract the fixed widths from the table width
1295                 for (auto const & w : max_pwidth)
1296                         restwidth -= w.second;
1297         }
1298
1299         // If we have a fixed width, distribute the available table width
1300         // (minus the fixed widths) to the variable-width columns
1301         int vcolwidth = -1;
1302         int restcols = ncols() - max_pwidth.size();
1303         if ((restwidth > 0) && (restcols != 0))
1304                 vcolwidth = restwidth / restcols;
1305
1306         // Now consider that some variable width columns exceed the vcolwidth
1307         if (vcolwidth > 0) {
1308                 bool changed = false;
1309                 for (auto const & w : max_width) {
1310                         if (tabularx || w.second > vcolwidth) {
1311                                 --restcols;
1312                                 restwidth -= w.second;
1313                                 changed = true;
1314                         }
1315                 }
1316                 if (changed && restwidth > 0)
1317                         vcolwidth = restwidth / restcols;
1318         }
1319
1320         bool update = false;
1321         // for each col get max of single col cells
1322         for(col_type c = 0; c < ncols(); ++c) {
1323                 int new_width = 0;
1324                 for(row_type r = 0; r < nrows(); ++r) {
1325                         idx_type const i = cellIndex(r, c);
1326                         if (columnSpan(i) == 1) {
1327                                 if (getAlignment(i) == LYX_ALIGN_DECIMAL
1328                                         && cell_info[r][c].decimal_width != 0)
1329                                         new_width = max(new_width, cellInfo(i).width
1330                                                 + max_dwidth[c] - cellInfo(i).decimal_width);
1331                                 else if (getPWidth(i).zero() && vcolwidth > 0) {
1332                                         if (tabularx && !column_info[c].varwidth)
1333                                                 new_width = max(new_width, cellInfo(i).width);
1334                                         else if (tabularx)
1335                                                 new_width = vcolwidth;
1336                                         else
1337                                                 new_width = max(vcolwidth, max(new_width, cellInfo(i).width));
1338                                 } else
1339                                         new_width = max(new_width, cellInfo(i).width);
1340                         }
1341                 }
1342
1343                 if (column_info[c].width != new_width) {
1344                         column_info[c].width = new_width;
1345                         // Do not trigger update when no space is left for variable
1346                         // columns, as this will loop
1347                         update = tab_width.zero() || restwidth > 0;
1348                 }
1349         }
1350         // update col widths to fit merged cells
1351         for(col_type c = 0; c < ncols(); ++c)
1352                 for(row_type r = 0; r < nrows(); ++r) {
1353                         idx_type const i = cellIndex(r, c);
1354                         int const span = columnSpan(i);
1355                         if (span == 1 || c > cellColumn(i))
1356                                 continue;
1357
1358                         int old_width = 0;
1359                         for(col_type j = c; j < c + span ; ++j)
1360                                 old_width += column_info[j].width;
1361
1362                         if (cellInfo(i).width > old_width) {
1363                                 column_info[c + span - 1].width += cellInfo(i).width - old_width;
1364                                 // Do not trigger update when no space is left for variable
1365                                 // columns, as this will loop
1366                                 update = tab_width.zero() || restwidth > 0;
1367                         }
1368                 }
1369
1370         return update;
1371 }
1372
1373
1374 int Tabular::width() const
1375 {
1376         int width = 0;
1377         for (col_type c = 0; c < ncols(); ++c)
1378                 width += column_info[c].width;
1379         return width;
1380 }
1381
1382
1383 void Tabular::setAlignment(idx_type cell, LyXAlignment align,
1384                               bool has_width)
1385 {
1386         col_type const col = cellColumn(cell);
1387         // set alignment for the whole row if we are not in a multicolumn cell,
1388         // exclude possible multicolumn cells in the row
1389         if (!isMultiColumn(cell)) {
1390                 for (row_type r = 0; r < nrows(); ++r) {
1391                         // only if the column has no width the multirow inherits the
1392                         // alignment of the column, otherwise it is left aligned
1393                         if (!(isMultiRow(cellIndex(r, col)) && has_width)
1394                                 && !isMultiColumn(cellIndex(r, col))) {
1395                                 cell_info[r][col].alignment = align;
1396                                 cell_info[r][col].inset->setContentAlignment(align);
1397                         }
1398                         if ((isMultiRow(cellIndex(r, col)) && has_width)
1399                                 && !isMultiColumn(cellIndex(r, col))) {
1400                                 cell_info[r][col].alignment = LYX_ALIGN_LEFT;
1401                                 cell_info[r][col].inset->setContentAlignment(LYX_ALIGN_LEFT);
1402                         }
1403                 }
1404                 column_info[col].alignment = align;
1405                 docstring & dpoint = column_info[col].decimal_point;
1406                 if (align == LYX_ALIGN_DECIMAL && dpoint.empty()) {
1407                         Language const * tlang = buffer().paragraphs().front().getParLanguage(buffer().params());
1408                         dpoint = tlang->decimalSeparator();
1409                 }
1410         } else {
1411                 cellInfo(cell).alignment = align;
1412                 cellInset(cell)->setContentAlignment(align);
1413         }
1414 }
1415
1416
1417 void Tabular::setVAlignment(idx_type cell, VAlignment align,
1418                                bool onlycolumn)
1419 {
1420         if (!isMultiColumn(cell) || onlycolumn)
1421                 column_info[cellColumn(cell)].valignment = align;
1422         if (!onlycolumn)
1423                 cellInfo(cell).valignment = align;
1424 }
1425
1426
1427 namespace {
1428
1429 /**
1430  * Allow line and paragraph breaks for fixed width multirow cells
1431  * or disallow them, merge cell paragraphs and reset layout to standard
1432  * for variable width multicol cells.
1433  */
1434 void toggleFixedWidth(Cursor & cur, InsetTableCell * inset,
1435                       bool const fixedWidth, bool const multirow)
1436 {
1437         inset->toggleFixedWidth(fixedWidth);
1438         if (!multirow)
1439                 return;
1440
1441         BufferParams const & bp = cur.bv().buffer().params();
1442         // reset layout
1443         cur.push(*inset);
1444         // undo information has already been recorded
1445         inset->getText(0)->setLayout(0, cur.lastpit() + 1,
1446                         bp.documentClass().plainLayoutName());
1447         cur.pop();
1448 }
1449
1450 } // namespace
1451
1452
1453 void Tabular::setColumnPWidth(Cursor & cur, idx_type cell,
1454                 Length const & width)
1455 {
1456         col_type const c = cellColumn(cell);
1457
1458         column_info[c].p_width = width;
1459         // reset the vertical alignment to top if the fixed width
1460         // is removed or zero because only fixed width columns can
1461         // have a vertical alignment
1462         if (column_info[c].p_width.zero())
1463                 column_info[c].valignment = LYX_VALIGN_TOP;
1464         for (row_type r = 0; r < nrows(); ++r) {
1465                 idx_type const cidx = cellIndex(r, c);
1466                 // because of multicolumns
1467                 toggleFixedWidth(cur, cellInset(cidx).get(),
1468                                  !getPWidth(cidx).zero(), isMultiRow(cidx));
1469                 if (isMultiRow(cidx))
1470                         setAlignment(cidx, column_info[c].alignment,
1471                                      !column_info[c].p_width.zero());
1472         }
1473         // cur can become invalid after paragraphs were merged
1474         cur.fixIfBroken();
1475 }
1476
1477
1478 bool Tabular::setFixedWidth(row_type r, col_type c)
1479 {
1480         bool const multicol = cell_info[r][c].multicolumn != CELL_NORMAL;
1481         bool const fixed_width = (!column_info[c].p_width.zero() && !multicol)
1482               || (multicol && !cell_info[r][c].p_width.zero());
1483         cell_info[r][c].inset->toggleFixedWidth(fixed_width);
1484         return fixed_width;
1485 }
1486
1487
1488 bool Tabular::setMColumnPWidth(Cursor & cur, idx_type cell,
1489                 Length const & width)
1490 {
1491         if (!isMultiColumn(cell))
1492                 return false;
1493
1494         cellInfo(cell).p_width = width;
1495         toggleFixedWidth(cur, cellInset(cell).get(), !width.zero(),
1496                         isMultiRow(cell));
1497         // cur can become invalid after paragraphs were merged
1498         cur.fixIfBroken();
1499         return true;
1500 }
1501
1502
1503 bool Tabular::toggleVarwidth(idx_type cell, bool const varwidth)
1504 {
1505         column_info[cellColumn(cell)].varwidth = varwidth;
1506         cellInset(cell).get()->toggleVarWidth(varwidth);
1507         return true;
1508 }
1509
1510
1511 bool Tabular::setMROffset(Cursor &, idx_type cell, Length const & mroffset)
1512 {
1513         cellInfo(cell).mroffset = mroffset;
1514         return true;
1515 }
1516
1517
1518 void Tabular::setAlignSpecial(idx_type cell, docstring const & special,
1519                                  Tabular::Feature what)
1520 {
1521         if (what == SET_SPECIAL_MULTICOLUMN)
1522                 cellInfo(cell).align_special = special;
1523         else
1524                 column_info[cellColumn(cell)].align_special = special;
1525 }
1526
1527
1528 void Tabular::setTopLine(idx_type i, bool line)
1529 {
1530         cellInfo(i).top_line = line;
1531 }
1532
1533
1534 void Tabular::setBottomLine(idx_type i, bool line)
1535 {
1536         cellInfo(i).bottom_line = line;
1537 }
1538
1539
1540 void Tabular::setTopLineLTrim(idx_type i, bool val)
1541 {
1542         cellInfo(i).top_line_ltrimmed = val;
1543 }
1544
1545
1546 void Tabular::setTopLineRTrim(idx_type i, bool val)
1547 {
1548         cellInfo(i).top_line_rtrimmed = val;
1549 }
1550
1551
1552 void Tabular::setBottomLineLTrim(idx_type i, bool val)
1553 {
1554         cellInfo(i).bottom_line_ltrimmed = val;
1555 }
1556
1557
1558 void Tabular::setBottomLineRTrim(idx_type i, bool val)
1559 {
1560         cellInfo(i).bottom_line_rtrimmed = val;
1561 }
1562
1563
1564 void Tabular::setTopLineTrim(idx_type i, pair<bool, bool> trim)
1565 {
1566         setTopLineLTrim(i, trim.first);
1567         setTopLineRTrim(i, trim.second);
1568 }
1569
1570 void Tabular::setBottomLineTrim(idx_type i, pair<bool, bool> trim)
1571 {
1572         setBottomLineLTrim(i, trim.first);
1573         setBottomLineRTrim(i, trim.second);
1574 }
1575
1576 void Tabular::setLeftLine(idx_type cell, bool line)
1577 {
1578         cellInfo(cell).left_line = line;
1579 }
1580
1581
1582 void Tabular::setRightLine(idx_type cell, bool line)
1583 {
1584         cellInfo(cell).right_line = line;
1585 }
1586
1587 bool Tabular::rowTopLine(row_type r) const
1588 {
1589         bool all_rows_set = true;
1590         for (col_type c = 0; all_rows_set && c < ncols(); ++c)
1591                 all_rows_set = cellInfo(cellIndex(r, c)).top_line;
1592         return all_rows_set;
1593 }
1594
1595
1596 bool Tabular::rowBottomLine(row_type r) const
1597 {
1598         bool all_rows_set = true;
1599         for (col_type c = 0; all_rows_set && c < ncols(); ++c)
1600                 all_rows_set = cellInfo(cellIndex(r, c)).bottom_line;
1601         return all_rows_set;
1602 }
1603
1604
1605 bool Tabular::columnLeftLine(col_type c) const
1606 {
1607         if (use_booktabs)
1608                 return false;
1609
1610         int nrows_left = 0;
1611         int total = 0;
1612         for (row_type r = 0; r < nrows(); ++r) {
1613                 idx_type const i = cellIndex(r, c);
1614                 if (c == cellColumn(i)) {
1615                         ++total;
1616                         bool right = c > 0 && cellInfo(cellIndex(r, c - 1)).right_line;
1617                         if (cellInfo(i).left_line || right)
1618                                 ++nrows_left;
1619                 }
1620         }
1621         return 2 * nrows_left >= total;
1622 }
1623
1624
1625 bool Tabular::columnRightLine(col_type c) const
1626 {
1627         if (use_booktabs)
1628                 return false;
1629
1630         int nrows_right = 0;
1631         int total = 0;
1632         for (row_type r = 0; r < nrows(); ++r) {
1633                 idx_type i = cellIndex(r, c);
1634                 if (c == cellColumn(i) + columnSpan(i) - 1) {
1635                         ++total;
1636                         bool left = (c + 1 < ncols()
1637                                 && cellInfo(cellIndex(r, c + 1)).left_line)
1638                                 || c + 1 == ncols();
1639                         if (cellInfo(i).right_line && left)
1640                                 ++nrows_right;
1641                 }
1642         }
1643         return 2 * nrows_right >= total;
1644 }
1645
1646
1647 LyXAlignment Tabular::getAlignment(idx_type cell, bool onlycolumn) const
1648 {
1649         if (!onlycolumn && (isMultiColumn(cell) || isMultiRow(cell)))
1650                 return cellInfo(cell).alignment;
1651
1652         return column_info[cellColumn(cell)].alignment;
1653 }
1654
1655
1656 Tabular::VAlignment
1657 Tabular::getVAlignment(idx_type cell, bool onlycolumn) const
1658 {
1659         if (!onlycolumn && (isMultiColumn(cell) || isMultiRow(cell)))
1660                 return cellInfo(cell).valignment;
1661         return column_info[cellColumn(cell)].valignment;
1662 }
1663
1664
1665 int Tabular::offsetVAlignment() const
1666 {
1667         // for top-alignment the first horizontal table line must be exactly at
1668         // the position of the base line of the surrounding text line
1669         // for bottom alignment, the same is for the last table line
1670         int offset_valign = 0;
1671         switch (tabular_valignment) {
1672         case Tabular::LYX_VALIGN_BOTTOM:
1673                 offset_valign = rowAscent(0) - height();
1674                 break;
1675         case Tabular::LYX_VALIGN_MIDDLE:
1676                 offset_valign = (- height()) / 2 + rowAscent(0);
1677                 break;
1678         case Tabular::LYX_VALIGN_TOP:
1679                 offset_valign = rowAscent(0);
1680                 break;
1681         }
1682         return offset_valign;
1683 }
1684
1685
1686 Length const Tabular::getPWidth(idx_type cell) const
1687 {
1688         if (isMultiColumn(cell))
1689                 return cellInfo(cell).p_width;
1690         return column_info[cellColumn(cell)].p_width;
1691 }
1692
1693
1694 Length const Tabular::getMROffset(idx_type cell) const
1695 {
1696         return cellInfo(cell).mroffset;
1697 }
1698
1699
1700 int Tabular::textHOffset(idx_type cell) const
1701 {
1702         // the LaTeX Way :-(
1703         int x = WIDTH_OF_LINE;
1704
1705         int const w = cellWidth(cell) - cellInfo(cell).width;
1706
1707         switch (getAlignment(cell)) {
1708         case LYX_ALIGN_CENTER:
1709                 x += w / 2;
1710                 break;
1711         case LYX_ALIGN_RIGHT:
1712                 x += w;
1713                 break;
1714         case LYX_ALIGN_DECIMAL: {
1715                 // we center when no decimal point
1716                 if (cellInfo(cell).decimal_width == 0) {
1717                         x += w / 2;
1718                         break;
1719                 }
1720                 col_type const c = cellColumn(cell);
1721                 int max_dhoffset = 0;
1722                 for(row_type r = 0; r < row_info.size() ; ++r) {
1723                         idx_type const i = cellIndex(r, c);
1724                         if (getAlignment(i) == LYX_ALIGN_DECIMAL
1725                                 && cellInfo(i).decimal_width != 0)
1726                                 max_dhoffset = max(max_dhoffset, cellInfo(i).decimal_hoffset);
1727                 }
1728                 x += max_dhoffset - cellInfo(cell).decimal_hoffset;
1729         }
1730         default:
1731                 // LYX_ALIGN_LEFT: nothing :-)
1732                 break;
1733         }
1734
1735         return x;
1736 }
1737
1738
1739 int Tabular::textVOffset(idx_type cell) const
1740 {
1741         int voffset = cellInfo(cell).voffset;
1742         if (isMultiRow(cell)) {
1743                 row_type const row = cellRow(cell);
1744                 voffset += (cellHeight(cell) - rowAscent(row) - rowDescent(row))/2;
1745         }
1746         return voffset;
1747 }
1748
1749
1750 idx_type Tabular::getFirstCellInRow(row_type row, bool const ct) const
1751 {
1752         col_type c = 0;
1753         idx_type const numcells = numberOfCellsInRow(row);
1754         // we check against numcells to make sure we do not crash if all the
1755         // cells are multirow (bug #7535), but in that case our return value
1756         // is really invalid, i.e., it is NOT the first cell in the row. but
1757         // i do not know what to do here. (rgh)
1758         while (c < numcells - 1
1759                && (cell_info[row][c].multirow == CELL_PART_OF_MULTIROW
1760                    || (ct && column_info[c].change.deleted())))
1761                 ++c;
1762         return cell_info[row][c].cellno;
1763 }
1764
1765
1766 idx_type Tabular::getLastCellInRow(row_type row, bool const ct) const
1767 {
1768         col_type c = ncols() - 1;
1769         // of course we check against 0 so we don't crash. but we have the same
1770         // problem as in the previous routine: if all the cells are part of a
1771         // multirow or part of a multi column, then our return value is invalid.
1772         while (c > 0
1773                && ((cell_info[row][c].multirow == CELL_PART_OF_MULTIROW
1774                    || cell_info[row][c].multicolumn == CELL_PART_OF_MULTICOLUMN)
1775                   || (ct && column_info[c].change.deleted())))
1776                 --c;
1777         return cell_info[row][c].cellno;
1778 }
1779
1780
1781 row_type Tabular::getFirstRow(bool const ct) const
1782 {
1783         row_type r = 0;
1784         if (!ct)
1785                 return r;
1786         // exclude deleted rows if ct == true
1787         while (r < nrows() && row_info[r].change.deleted())
1788                 ++r;
1789         return r;
1790 }
1791
1792
1793 row_type Tabular::getLastRow(bool const ct) const
1794 {
1795         row_type r = nrows() - 1;
1796         if (!ct)
1797                 return r;
1798         // exclude deleted rows if ct == true
1799         while (r > 0 && row_info[r].change.deleted())
1800                 --r;
1801         return r;
1802 }
1803
1804
1805 row_type Tabular::cellRow(idx_type cell) const
1806 {
1807         if (cell >= numberofcells)
1808                 return nrows() - 1;
1809         if (cell == npos)
1810                 return 0;
1811         return rowofcell[cell];
1812 }
1813
1814
1815 col_type Tabular::cellColumn(idx_type cell) const
1816 {
1817         if (cell >= numberofcells)
1818                 return ncols() - 1;
1819         if (cell == npos)
1820                 return 0;
1821         return columnofcell[cell];
1822 }
1823
1824
1825 void Tabular::write(ostream & os) const
1826 {
1827         // header line
1828         os << "<lyxtabular"
1829            << write_attribute("version", 3)
1830            << write_attribute("rows", nrows())
1831            << write_attribute("columns", ncols())
1832            << ">\n";
1833         // global longtable options
1834         os << "<features"
1835            << write_attribute("rotate", rotate)
1836            << write_attribute("booktabs", use_booktabs)
1837            << write_attribute("islongtable", is_long_tabular)
1838            << write_attribute("firstHeadTopDL", endfirsthead.topDL)
1839            << write_attribute("firstHeadBottomDL", endfirsthead.bottomDL)
1840            << write_attribute("firstHeadEmpty", endfirsthead.empty)
1841            << write_attribute("headTopDL", endhead.topDL)
1842            << write_attribute("headBottomDL", endhead.bottomDL)
1843            << write_attribute("footTopDL", endfoot.topDL)
1844            << write_attribute("footBottomDL", endfoot.bottomDL)
1845            << write_attribute("lastFootTopDL", endlastfoot.topDL)
1846            << write_attribute("lastFootBottomDL", endlastfoot.bottomDL)
1847            << write_attribute("lastFootEmpty", endlastfoot.empty);
1848         // longtables cannot be aligned vertically
1849         if (!is_long_tabular)
1850                 os << write_attribute("tabularvalignment", tabular_valignment);
1851         os << write_attribute("tabularwidth", tabular_width);
1852         if (is_long_tabular)
1853                 os << write_attribute("longtabularalignment", longtabular_alignment);
1854         os << ">\n";
1855         for (col_type c = 0; c < ncols(); ++c) {
1856                 os << "<column"
1857                    << write_attribute("alignment", column_info[c].alignment);
1858                 if (column_info[c].alignment == LYX_ALIGN_DECIMAL)
1859                         os << write_attribute("decimal_point", column_info[c].decimal_point);
1860                 os << write_attribute("change", column_info[c].change, buffer().params())
1861                    << write_attribute("valignment", column_info[c].valignment)
1862                    << write_attribute("width", column_info[c].p_width.asString())
1863                    << write_attribute("varwidth", column_info[c].varwidth)
1864                    << write_attribute("special", column_info[c].align_special)
1865                    << ">\n";
1866         }
1867         for (row_type r = 0; r < nrows(); ++r) {
1868                 static const string def("default");
1869                 os << "<row";
1870                 if (row_info[r].top_space_default)
1871                         os << write_attribute("topspace", def);
1872                 else
1873                         os << write_attribute("topspace", row_info[r].top_space);
1874                 if (row_info[r].bottom_space_default)
1875                         os << write_attribute("bottomspace", def);
1876                 else
1877                         os << write_attribute("bottomspace", row_info[r].bottom_space);
1878                 if (row_info[r].interline_space_default)
1879                         os << write_attribute("interlinespace", def);
1880                 else
1881                         os << write_attribute("interlinespace", row_info[r].interline_space);
1882                 os << write_attribute("change", row_info[r].change, buffer().params())
1883                    << write_attribute("endhead", row_info[r].endhead)
1884                    << write_attribute("endfirsthead", row_info[r].endfirsthead)
1885                    << write_attribute("endfoot", row_info[r].endfoot)
1886                    << write_attribute("endlastfoot", row_info[r].endlastfoot)
1887                    << write_attribute("newpage", row_info[r].newpage)
1888                    << write_attribute("caption", row_info[r].caption)
1889                    << ">\n";
1890                 for (col_type c = 0; c < ncols(); ++c) {
1891                         os << "<cell"
1892                            << write_attribute("multicolumn", cell_info[r][c].multicolumn)
1893                            << write_attribute("multirow", cell_info[r][c].multirow)
1894                            << write_attribute("mroffset", cell_info[r][c].mroffset)
1895                            << write_attribute("alignment", cell_info[r][c].alignment)
1896                            << write_attribute("valignment", cell_info[r][c].valignment)
1897                            << write_attribute("topline", cell_info[r][c].top_line)
1898                            << write_attribute("toplineltrim", cell_info[r][c].top_line_ltrimmed)
1899                            << write_attribute("toplinertrim", cell_info[r][c].top_line_rtrimmed)
1900                            << write_attribute("bottomline", cell_info[r][c].bottom_line)
1901                            << write_attribute("bottomlineltrim", cell_info[r][c].bottom_line_ltrimmed)
1902                            << write_attribute("bottomlinertrim", cell_info[r][c].bottom_line_rtrimmed)
1903                            << write_attribute("leftline", cell_info[r][c].left_line)
1904                            << write_attribute("rightline", cell_info[r][c].right_line)
1905                            << write_attribute("rotate", cell_info[r][c].rotate)
1906                            << write_attribute("usebox", cell_info[r][c].usebox)
1907                            << write_attribute("width", cell_info[r][c].p_width)
1908                            << write_attribute("special", cell_info[r][c].align_special)
1909                            << ">\n";
1910                         os << "\\begin_inset ";
1911                         cell_info[r][c].inset->write(os);
1912                         os << "\n\\end_inset\n"
1913                            << "</cell>\n";
1914                         // FIXME This can be removed again once the mystery
1915                         // crash has been resolved.
1916                         os << flush;
1917                 }
1918                 os << "</row>\n";
1919         }
1920         os << "</lyxtabular>\n";
1921 }
1922
1923
1924 void Tabular::read(Lexer & lex)
1925 {
1926         string line;
1927         istream & is = lex.getStream();
1928
1929         l_getline(is, line);
1930         if (!prefixIs(line, "<lyxtabular ") && !prefixIs(line, "<Tabular ")) {
1931                 LASSERT(false, return);
1932         }
1933
1934         int version;
1935         if (!getTokenValue(line, "version", version))
1936                 return;
1937         LATTEST(version >= 2);
1938
1939         int rows_arg;
1940         if (!getTokenValue(line, "rows", rows_arg))
1941                 return;
1942         int columns_arg;
1943         if (!getTokenValue(line, "columns", columns_arg))
1944                 return;
1945         init(buffer_, rows_arg, columns_arg);
1946         l_getline(is, line);
1947         if (!prefixIs(line, "<features")) {
1948                 lyxerr << "Wrong tabular format (expected <features ...> got"
1949                        << line << ')' << endl;
1950                 return;
1951         }
1952         getTokenValue(line, "rotate", rotate);
1953         getTokenValue(line, "booktabs", use_booktabs);
1954         getTokenValue(line, "islongtable", is_long_tabular);
1955         getTokenValue(line, "tabularvalignment", tabular_valignment);
1956         getTokenValue(line, "tabularwidth", tabular_width);
1957         getTokenValue(line, "longtabularalignment", longtabular_alignment);
1958         getTokenValue(line, "firstHeadTopDL", endfirsthead.topDL);
1959         getTokenValue(line, "firstHeadBottomDL", endfirsthead.bottomDL);
1960         getTokenValue(line, "firstHeadEmpty", endfirsthead.empty);
1961         getTokenValue(line, "headTopDL", endhead.topDL);
1962         getTokenValue(line, "headBottomDL", endhead.bottomDL);
1963         getTokenValue(line, "footTopDL", endfoot.topDL);
1964         getTokenValue(line, "footBottomDL", endfoot.bottomDL);
1965         getTokenValue(line, "lastFootTopDL", endlastfoot.topDL);
1966         getTokenValue(line, "lastFootBottomDL", endlastfoot.bottomDL);
1967         getTokenValue(line, "lastFootEmpty", endlastfoot.empty);
1968
1969         for (col_type c = 0; c < ncols(); ++c) {
1970                 l_getline(is,line);
1971                 if (!prefixIs(line,"<column")) {
1972                         lyxerr << "Wrong tabular format (expected <column ...> got"
1973                                << line << ')' << endl;
1974                         return;
1975                 }
1976                 getTokenValue(line, "alignment", column_info[c].alignment);
1977                 getTokenValue(line, "decimal_point", column_info[c].decimal_point);
1978                 getTokenValue(line, "valignment", column_info[c].valignment);
1979                 getTokenValue(line, "width", column_info[c].p_width);
1980                 getTokenValue(line, "special", column_info[c].align_special);
1981                 getTokenValue(line, "varwidth", column_info[c].varwidth);
1982                 getTokenValue(line, "change", column_info[c].change, buffer().params());
1983         }
1984
1985         for (row_type i = 0; i < nrows(); ++i) {
1986                 l_getline(is, line);
1987                 if (!prefixIs(line, "<row")) {
1988                         lyxerr << "Wrong tabular format (expected <row ...> got"
1989                                << line << ')' << endl;
1990                         return;
1991                 }
1992                 getTokenValue(line, "topspace", row_info[i].top_space,
1993                               row_info[i].top_space_default);
1994                 getTokenValue(line, "bottomspace", row_info[i].bottom_space,
1995                               row_info[i].bottom_space_default);
1996                 getTokenValue(line, "interlinespace", row_info[i].interline_space,
1997                               row_info[i].interline_space_default);
1998                 getTokenValue(line, "endfirsthead", row_info[i].endfirsthead);
1999                 getTokenValue(line, "endhead", row_info[i].endhead);
2000                 getTokenValue(line, "endfoot", row_info[i].endfoot);
2001                 getTokenValue(line, "endlastfoot", row_info[i].endlastfoot);
2002                 getTokenValue(line, "newpage", row_info[i].newpage);
2003                 getTokenValue(line, "caption", row_info[i].caption);
2004                 getTokenValue(line, "change", row_info[i].change, buffer().params());
2005                 for (col_type j = 0; j < ncols(); ++j) {
2006                         l_getline(is, line);
2007                         if (!prefixIs(line, "<cell")) {
2008                                 lyxerr << "Wrong tabular format (expected <cell ...> got"
2009                                        << line << ')' << endl;
2010                                 return;
2011                         }
2012                         getTokenValue(line, "multicolumn", cell_info[i][j].multicolumn);
2013                         getTokenValue(line, "multirow", cell_info[i][j].multirow);
2014                         getTokenValue(line, "mroffset", cell_info[i][j].mroffset);
2015                         getTokenValue(line, "alignment", cell_info[i][j].alignment);
2016                         getTokenValue(line, "valignment", cell_info[i][j].valignment);
2017                         getTokenValue(line, "topline", cell_info[i][j].top_line);
2018                         getTokenValue(line, "toplineltrim", cell_info[i][j].top_line_ltrimmed);
2019                         getTokenValue(line, "toplinertrim", cell_info[i][j].top_line_rtrimmed);
2020                         getTokenValue(line, "bottomline", cell_info[i][j].bottom_line);
2021                         getTokenValue(line, "bottomlineltrim", cell_info[i][j].bottom_line_ltrimmed);
2022                         getTokenValue(line, "bottomlinertrim", cell_info[i][j].bottom_line_rtrimmed);
2023                         getTokenValue(line, "leftline", cell_info[i][j].left_line);
2024                         getTokenValue(line, "rightline", cell_info[i][j].right_line);
2025                         getTokenValue(line, "rotate", cell_info[i][j].rotate);
2026                         getTokenValue(line, "usebox", cell_info[i][j].usebox);
2027                         getTokenValue(line, "width", cell_info[i][j].p_width);
2028                         setFixedWidth(i,j);
2029                         getTokenValue(line, "special", cell_info[i][j].align_special);
2030                         l_getline(is, line);
2031                         if (prefixIs(line, "\\begin_inset")) {
2032                                 cell_info[i][j].inset->setBuffer(*buffer_);
2033                                 cell_info[i][j].inset->read(lex);
2034                                 l_getline(is, line);
2035                         }
2036                         if (!prefixIs(line, "</cell>")) {
2037                                 lyxerr << "Wrong tabular format (expected </cell> got"
2038                                        << line << ')' << endl;
2039                                 return;
2040                         }
2041                 }
2042                 l_getline(is, line);
2043                 if (!prefixIs(line, "</row>")) {
2044                         lyxerr << "Wrong tabular format (expected </row> got"
2045                                << line << ')' << endl;
2046                         return;
2047                 }
2048         }
2049         while (!prefixIs(line, "</lyxtabular>")) {
2050                 l_getline(is, line);
2051         }
2052         updateIndexes();
2053 }
2054
2055
2056 bool Tabular::isMultiColumn(idx_type cell) const
2057 {
2058         return (cellInfo(cell).multicolumn == CELL_BEGIN_OF_MULTICOLUMN
2059                 || cellInfo(cell).multicolumn == CELL_PART_OF_MULTICOLUMN);
2060 }
2061
2062
2063 bool Tabular::hasMultiColumn(col_type c) const
2064 {
2065         for (row_type r = 0; r < nrows(); ++r) {
2066                 if (isMultiColumn(cellIndex(r, c)))
2067                         return true;
2068         }
2069         return false;
2070 }
2071
2072
2073 bool Tabular::hasVarwidthColumn() const
2074 {
2075         for (col_type c = 0; c < ncols(); ++c) {
2076                 if (column_info[c].varwidth)
2077                         return true;
2078         }
2079         return false;
2080 }
2081
2082
2083 bool Tabular::isVTypeColumn(col_type c) const
2084 {
2085         for (row_type r = 0; r < nrows(); ++r) {
2086                 idx_type idx = cellIndex(r, c);
2087                 if (getRotateCell(idx) == 0 && useBox(idx) == BOX_VARWIDTH
2088                     && getAlignment(idx) == LYX_ALIGN_LEFT
2089                     && getVAlignment(idx) == LYX_VALIGN_TOP)
2090                         return true;
2091         }
2092         return false;
2093 }
2094
2095
2096 Tabular::CellData const & Tabular::cellInfo(idx_type cell) const
2097 {
2098         return cell_info[cellRow(cell)][cellColumn(cell)];
2099 }
2100
2101
2102 Tabular::CellData & Tabular::cellInfo(idx_type cell)
2103 {
2104         return cell_info[cellRow(cell)][cellColumn(cell)];
2105 }
2106
2107
2108 idx_type Tabular::setMultiColumn(Cursor & cur, idx_type cell, idx_type number,
2109                                           bool const right_border)
2110 {
2111         idx_type const col = cellColumn(cell);
2112         idx_type const row = cellRow(cell);
2113         for (idx_type i = 0; i < number; ++i)
2114                 unsetMultiRow(cellIndex(row, col + i));
2115
2116         // unsetting of multirow may have invalidated cell index
2117         cell = cellIndex(row, col);
2118         CellData & cs = cellInfo(cell);
2119         cs.multicolumn = CELL_BEGIN_OF_MULTICOLUMN;
2120         if (column_info[col].alignment != LYX_ALIGN_DECIMAL)
2121                 cs.alignment = column_info[col].alignment;
2122         setRightLine(cell, right_border);
2123         // non-fixed width multicolumns cannot have multiple paragraphs
2124         if (getPWidth(cell).zero()) {
2125                 toggleFixedWidth(cur, cellInset(cell).get(),
2126                                  !getPWidth(cell).zero(), isMultiRow(cell));
2127                 // cur can become invalid after paragraphs were merged
2128                 cur.fixIfBroken();
2129         }
2130
2131         idx_type lastcell = cellIndex(row, col + number - 1);
2132         for (idx_type i = 1; i < lastcell - cell + 1; ++i) {
2133                 CellData & cs1 = cellInfo(cell + i);
2134                 cs1.multicolumn = CELL_PART_OF_MULTICOLUMN;
2135                 cs.inset->appendParagraphs(cs1.inset->paragraphs());
2136                 cs1.inset->clear();
2137         }
2138         updateIndexes();
2139         return cell;
2140 }
2141
2142
2143 bool Tabular::isMultiRow(idx_type cell) const
2144 {
2145         return (cellInfo(cell).multirow == CELL_BEGIN_OF_MULTIROW
2146                 || cellInfo(cell).multirow == CELL_PART_OF_MULTIROW);
2147 }
2148
2149 bool Tabular::hasMultiRow(row_type r) const
2150 {
2151         for (col_type c = 0; c < ncols(); ++c) {
2152                 if (isMultiRow(cellIndex(r, c)))
2153                         return true;
2154         }
2155         return false;
2156 }
2157
2158 idx_type Tabular::setMultiRow(Cursor & cur, idx_type cell, idx_type number,
2159                                        bool const bottom_border,
2160                                        LyXAlignment const halign)
2161 {
2162         idx_type const col = cellColumn(cell);
2163         idx_type const row = cellRow(cell);
2164         for (idx_type i = 0; i < number; ++i)
2165                 unsetMultiColumn(cellIndex(row + i, col));
2166
2167         // unsetting of multirow may have invalidated cell index
2168         cell = cellIndex(row, col);
2169         CellData & cs = cellInfo(cell);
2170         cs.multirow = CELL_BEGIN_OF_MULTIROW;
2171         cs.valignment = LYX_VALIGN_MIDDLE;
2172         // the horizontal alignment of multirow cells can only
2173         // be changed for the whole table row,
2174         // support changing this only for the multirow cell can be done via
2175         // \multirowsetup
2176         if (getPWidth(cell).zero())
2177                 cs.alignment = halign;
2178         else
2179                 cs.alignment = LYX_ALIGN_LEFT;
2180
2181         // Multirows cannot have multiple paragraphs
2182         if (getPWidth(cell).zero()) {
2183                 toggleFixedWidth(cur, cellInset(cell).get(),
2184                                  !getPWidth(cell).zero(),
2185                                  isMultiRow(cell));
2186                 // cur can become invalid after paragraphs were merged
2187                 cur.fixIfBroken();
2188         }
2189
2190         // set the bottom line of the last selected cell
2191         setBottomLine(cell, bottom_border);
2192
2193         for (idx_type i = 1; i < number; ++i) {
2194                 CellData & cs1 = cell_info[row + i][col];
2195                 cs1.multirow = CELL_PART_OF_MULTIROW;
2196                 cs.inset->appendParagraphs(cs1.inset->paragraphs());
2197                 cs1.inset->clear();
2198         }
2199         updateIndexes();
2200         return cell;
2201 }
2202
2203
2204 idx_type Tabular::columnSpan(idx_type cell) const
2205 {
2206         row_type const row = cellRow(cell);
2207         col_type const col = cellColumn(cell);
2208         int span = 1;
2209         while (col + span < ncols() && isPartOfMultiColumn(row, col + span))
2210                 ++span;
2211
2212         return span;
2213 }
2214
2215
2216 idx_type Tabular::rowSpan(idx_type cell) const
2217 {
2218         col_type const column = cellColumn(cell);
2219         col_type row = cellRow(cell) + 1;
2220         while (row < nrows() && isPartOfMultiRow(row, column))
2221                 ++row;
2222
2223         return row - cellRow(cell);
2224 }
2225
2226
2227 void Tabular::unsetMultiColumn(idx_type cell)
2228 {
2229         if (!isMultiColumn(cell))
2230                 return;
2231
2232         row_type const row = cellRow(cell);
2233         col_type const col = cellColumn(cell);
2234         row_type const span = columnSpan(cell);
2235         for (col_type c = 0; c < span; ++c) {
2236                 // in the table dialog the lines are set in every case
2237                 // when unsetting a multicolumn this leads to an additional right
2238                 // line for every cell that was part of the former multicolumn cell,
2239                 // except if the cell is in the last column
2240                 // therefore remove this line
2241                 if (cell_info[row][col + c].multicolumn == CELL_BEGIN_OF_MULTICOLUMN
2242                         && (col + c) < (col + span - 1))
2243                         cell_info[row][col + c].right_line = false;
2244                 cell_info[row][col + c].multicolumn = CELL_NORMAL;
2245         }
2246         updateIndexes();
2247 }
2248
2249
2250 void Tabular::unsetMultiRow(idx_type cell)
2251 {
2252         if (!isMultiRow(cell))
2253                 return;
2254
2255         cellInfo(cell).valignment = LYX_VALIGN_TOP;
2256         cellInfo(cell).alignment = LYX_ALIGN_CENTER;
2257         row_type const row = cellRow(cell);
2258         col_type const col = cellColumn(cell);
2259         row_type const span = rowSpan(cell);
2260         for (row_type r = 0; r < span; ++r)
2261                 cell_info[row + r][col].multirow = CELL_NORMAL;
2262         updateIndexes();
2263 }
2264
2265
2266 void Tabular::setRotateCell(idx_type cell, int value)
2267 {
2268         cellInfo(cell).rotate = value;
2269 }
2270
2271
2272 int Tabular::getRotateCell(idx_type cell) const
2273 {
2274         return cellInfo(cell).rotate;
2275 }
2276
2277
2278 bool Tabular::needRotating() const
2279 {
2280         if (rotate && !is_long_tabular)
2281                 return true;
2282         for (row_type r = 0; r < nrows(); ++r)
2283                 for (col_type c = 0; c < ncols(); ++c)
2284                         if (cell_info[r][c].rotate != 0)
2285                                 return true;
2286         return false;
2287 }
2288
2289
2290 bool Tabular::isLastCell(idx_type cell) const
2291 {
2292         return cell + 1 >= numberofcells;
2293 }
2294
2295
2296 idx_type Tabular::cellAbove(idx_type cell) const
2297 {
2298         if (cellRow(cell) == 0)
2299                 return cell;
2300
2301         col_type const col = cellColumn(cell);
2302         row_type r = cellRow(cell) - 1;
2303         while (r > 0 && cell_info[r][col].multirow == CELL_PART_OF_MULTIROW)
2304                 --r;
2305
2306         return cell_info[r][col].cellno;
2307 }
2308
2309
2310 idx_type Tabular::cellBelow(idx_type cell) const
2311 {
2312         row_type const nextrow = cellRow(cell) + rowSpan(cell);
2313         if (nextrow < nrows())
2314                 return cell_info[nextrow][cellColumn(cell)].cellno;
2315         return cell;
2316 }
2317
2318
2319 idx_type Tabular::cellIndex(row_type row, col_type column) const
2320 {
2321         LASSERT(column != npos && column < ncols(), column = 0);
2322         LASSERT(row != npos && row < nrows(), row = 0);
2323         return cell_info[row][column].cellno;
2324 }
2325
2326
2327 void Tabular::setUsebox(idx_type cell, BoxType type)
2328 {
2329         cellInfo(cell).usebox = type;
2330 }
2331
2332
2333 Tabular::BoxType Tabular::getUsebox(idx_type cell) const
2334 {
2335         if (getRotateCell(cell) == 0
2336             && ((!column_info[cellColumn(cell)].p_width.zero() && !isMultiColumn(cell)) ||
2337                 (isMultiColumn(cell) && !cellInfo(cell).p_width.zero())))
2338                 return BOX_NONE;
2339         if (cellInfo(cell).usebox > 1)
2340                 return cellInfo(cell).usebox;
2341         return useBox(cell);
2342 }
2343
2344
2345 ///
2346 //  This are functions used for the longtable support
2347 ///
2348 void Tabular::setLTHead(row_type row, bool flag, ltType const & hd,
2349                            bool first)
2350 {
2351         if (first) {
2352                 endfirsthead = hd;
2353                 if (hd.set)
2354                         row_info[row].endfirsthead = flag;
2355         } else {
2356                 endhead = hd;
2357                 if (hd.set)
2358                         row_info[row].endhead = flag;
2359         }
2360 }
2361
2362
2363 bool Tabular::getRowOfLTHead(row_type row, ltType & hd) const
2364 {
2365         hd = endhead;
2366         hd.set = haveLTHead();
2367         return row_info[row].endhead;
2368 }
2369
2370
2371 bool Tabular::getRowOfLTFirstHead(row_type row, ltType & hd) const
2372 {
2373         hd = endfirsthead;
2374         hd.set = haveLTFirstHead();
2375         return row_info[row].endfirsthead;
2376 }
2377
2378
2379 void Tabular::setLTFoot(row_type row, bool flag, ltType const & fd,
2380                            bool last)
2381 {
2382         if (last) {
2383                 endlastfoot = fd;
2384                 if (fd.set)
2385                         row_info[row].endlastfoot = flag;
2386         } else {
2387                 endfoot = fd;
2388                 if (fd.set)
2389                         row_info[row].endfoot = flag;
2390         }
2391 }
2392
2393
2394 bool Tabular::getRowOfLTFoot(row_type row, ltType & fd) const
2395 {
2396         fd = endfoot;
2397         fd.set = haveLTFoot();
2398         return row_info[row].endfoot;
2399 }
2400
2401
2402 bool Tabular::getRowOfLTLastFoot(row_type row, ltType & fd) const
2403 {
2404         fd = endlastfoot;
2405         fd.set = haveLTLastFoot();
2406         return row_info[row].endlastfoot;
2407 }
2408
2409
2410 void Tabular::setLTNewPage(row_type row, bool what)
2411 {
2412         row_info[row].newpage = what;
2413 }
2414
2415
2416 bool Tabular::getLTNewPage(row_type row) const
2417 {
2418         return row_info[row].newpage;
2419 }
2420
2421
2422 bool Tabular::haveLTHead(bool withcaptions) const
2423 {
2424         if (!is_long_tabular)
2425                 return false;
2426         for (row_type i = 0; i < nrows(); ++i)
2427                 if (row_info[i].endhead &&
2428                     (withcaptions || !row_info[i].caption))
2429                         return true;
2430         return false;
2431 }
2432
2433
2434 bool Tabular::haveLTFirstHead(bool withcaptions) const
2435 {
2436         if (!is_long_tabular || endfirsthead.empty)
2437                 return false;
2438         for (row_type r = 0; r < nrows(); ++r)
2439                 if (row_info[r].endfirsthead &&
2440                     (withcaptions || !row_info[r].caption))
2441                         return true;
2442         return false;
2443 }
2444
2445
2446 bool Tabular::haveLTFoot(bool withcaptions) const
2447 {
2448         if (!is_long_tabular)
2449                 return false;
2450         for (row_type r = 0; r < nrows(); ++r)
2451                 if (row_info[r].endfoot &&
2452                     (withcaptions || !row_info[r].caption))
2453                         return true;
2454         return false;
2455 }
2456
2457
2458 bool Tabular::haveLTLastFoot(bool withcaptions) const
2459 {
2460         if (!is_long_tabular || endlastfoot.empty)
2461                 return false;
2462         for (row_type r = 0; r < nrows(); ++r)
2463                 if (row_info[r].endlastfoot &&
2464                     (withcaptions || !row_info[r].caption))
2465                         return true;
2466         return false;
2467 }
2468
2469
2470 idx_type Tabular::setLTCaption(Cursor & cur, row_type row, bool what)
2471 {
2472         idx_type i = getFirstCellInRow(row);
2473         if (what) {
2474                 setMultiColumn(cur, i, numberOfCellsInRow(row), false);
2475                 setTopLine(i, false);
2476                 setBottomLine(i, false);
2477                 setLeftLine(i, false);
2478                 setRightLine(i, false);
2479                 if (!row_info[row].endfirsthead && !row_info[row].endhead &&
2480                     !row_info[row].endfoot && !row_info[row].endlastfoot) {
2481                         setLTHead(row, true, endfirsthead, true);
2482                         row_info[row].endfirsthead = true;
2483                 }
2484         } else {
2485                 unsetMultiColumn(i);
2486                 // When unsetting a caption row, also all existing
2487                 // captions in this row must be dissolved.
2488         }
2489         row_info[row].caption = what;
2490         return i;
2491 }
2492
2493
2494 bool Tabular::ltCaption(row_type row) const
2495 {
2496         return row_info[row].caption;
2497 }
2498
2499
2500 bool Tabular::haveLTCaption(CaptionType captiontype) const
2501 {
2502         if (!is_long_tabular)
2503                 return false;
2504         for (row_type r = 0; r < nrows(); ++r) {
2505                 if (row_info[r].caption) {
2506                         switch (captiontype) {
2507                         case CAPTION_FIRSTHEAD:
2508                                 if (row_info[r].endfirsthead)
2509                                         return true;
2510                                 break;
2511                         case CAPTION_HEAD:
2512                                 if (row_info[r].endhead)
2513                                         return true;
2514                                 break;
2515                         case CAPTION_FOOT:
2516                                 if (row_info[r].endfoot)
2517                                         return true;
2518                                 break;
2519                         case CAPTION_LASTFOOT:
2520                                 if (row_info[r].endlastfoot)
2521                                         return true;
2522                                 break;
2523                         case CAPTION_ANY:
2524                                 return true;
2525                         }
2526                 }
2527         }
2528         return false;
2529 }
2530
2531
2532 // end longtable support functions
2533
2534 void Tabular::setRowAscent(row_type row, int height)
2535 {
2536         if (row >= nrows() || row_info[row].ascent == height)
2537                 return;
2538         row_info[row].ascent = height;
2539 }
2540
2541
2542 void Tabular::setRowDescent(row_type row, int height)
2543 {
2544         if (row >= nrows() || row_info[row].descent == height)
2545                 return;
2546         row_info[row].descent = height;
2547 }
2548
2549
2550 int Tabular::rowAscent(row_type row) const
2551 {
2552         LASSERT(row < nrows(), row = 0);
2553         return row_info[row].ascent;
2554 }
2555
2556
2557 int Tabular::rowDescent(row_type row) const
2558 {
2559         LASSERT(row < nrows(), row = 0);
2560         return row_info[row].descent;
2561 }
2562
2563
2564 int Tabular::height() const
2565 {
2566         int height = 0;
2567         for (row_type row = 0; row < nrows(); ++row)
2568                 height += rowAscent(row) + rowDescent(row) +
2569                         interRowSpace(row);
2570         return height;
2571 }
2572
2573
2574 bool Tabular::isPartOfMultiColumn(row_type row, col_type column) const
2575 {
2576         LASSERT(row < nrows(), return false);
2577         LASSERT(column < ncols(), return false);
2578         return cell_info[row][column].multicolumn == CELL_PART_OF_MULTICOLUMN;
2579 }
2580
2581
2582 bool Tabular::isPartOfMultiRow(row_type row, col_type column) const
2583 {
2584         LASSERT(row < nrows(), return false);
2585         LASSERT(column < ncols(), return false);
2586         return cell_info[row][column].multirow == CELL_PART_OF_MULTIROW;
2587 }
2588
2589
2590 void Tabular::TeXTopHLine(otexstream & os, row_type row, list<col_type> columns,
2591                           list<col_type> logical_columns) const
2592 {
2593         // we only output complete row lines and the 1st row here, the rest
2594         // is done in Tabular::TeXBottomHLine(...)
2595
2596         // get for each column the topline (if any)
2597         map<col_type, bool> topline, topltrims, toprtrims;
2598         col_type nset = 0;
2599         bool have_trims = false;
2600         for (auto const & c : columns) {
2601                 topline[c] = topLine(cellIndex(row, c));
2602                 topltrims[c] = topLineTrim(cellIndex(row, c)).first;
2603                 toprtrims[c] = topLineTrim(cellIndex(row, c)).second;
2604                 // If cell is part of a multirow and not the first cell of the
2605                 // multirow, no line must be drawn.
2606                 if (row != 0)
2607                         if (isMultiRow(cellIndex(row, c))
2608                             && cell_info[row][c].multirow != CELL_BEGIN_OF_MULTIROW) {
2609                                 topline[c] = false;
2610                                 topltrims[c] = false;
2611                                 toprtrims[c] = false;
2612                         }
2613                 // copy trimming to multicolumn parts
2614                 if (isPartOfMultiColumn(row, c)) {
2615                         topltrims[c] = topltrims[c-1];
2616                         toprtrims[c] = toprtrims[c-1];
2617                 }
2618                 if (topline.find(c) != topline.end() && topline.find(c)->second)
2619                         ++nset;
2620                 if ((topltrims.find(c) != topltrims.end() && topltrims.find(c)->second)
2621                      || (toprtrims.find(c) != toprtrims.end() && toprtrims.find(c)->second))
2622                         have_trims = true;
2623         }
2624
2625         // do nothing if empty first row, or incomplete row line after
2626         row_type first = getFirstRow(!buffer().params().output_changes);
2627         if ((row == first && nset == 0) || (row > first && nset != columns.size()))
2628                 return;
2629
2630         // Is this the actual first row (excluding longtable caption row)?
2631         bool const realfirstrow = (row == first
2632                                    || (is_long_tabular && row == first + 1 && ltCaption(first)));
2633
2634         // only output complete row lines and the 1st row's clines
2635         if (nset == columns.size() && !have_trims) {
2636                 if (use_booktabs) {
2637                         os << (realfirstrow ? "\\toprule " : "\\midrule ");
2638                 } else {
2639                         os << "\\hline ";
2640                 }
2641         } else if (realfirstrow || have_trims) {
2642                 string const cline = use_booktabs ? "\\cmidrule" : "\\cline";
2643                 col_type c = 0;
2644                 std::list<col_type>::const_iterator it1 = logical_columns.begin();
2645                 std::list<col_type>::const_iterator it2 = columns.begin();
2646                 // We need to iterate over the logical columns here, but take care for
2647                 // bidi swapping
2648                 for (; it1 != logical_columns.end() && it2 != columns.end(); ++it1, ++it2) {
2649                         col_type cl = *it1;
2650                         if (cl < c)
2651                                 continue;
2652                         c = cl;
2653                         if (topline.find(c)->second) {
2654                                 col_type offset = 0;
2655                                 for (col_type j = 0 ; j < c; ++j)
2656                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2657                                                 ++offset;
2658                                 // If the two iterators differ, we are in bidi with swapped columns
2659                                 col_type firstcol = (*it1 == *it2) ? c + 1 + offset : columns.size() - c + offset;
2660                                 while (isPartOfMultiColumn(row, c))
2661                                         ++c;
2662                                 string trim;
2663                                 if (topltrims.find(c) != topltrims.end()
2664                                      && topltrims.find(c)->second)
2665                                         trim = "l";
2666                                 col_type cstart = c;
2667                                 for ( ; c < ncols() - 1 && topline.find(c + 1)->second ; ++c) {
2668                                         if (isMultiColumn(cellIndex(row, c))
2669                                             && c < ncols() - 1 && isPartOfMultiColumn(row, c + 1))
2670                                                 continue;
2671                                         if (c > cstart && topltrims.find(c) != topltrims.end()
2672                                                         && topltrims.find(c)->second) {
2673                                                 if (!isPartOfMultiColumn(row, c))
2674                                                         --c;
2675                                                 break;
2676                                         } else if (toprtrims.find(c) != toprtrims.end()
2677                                                    && toprtrims.find(c)->second)
2678                                                 break;
2679                                 }
2680
2681                                 for (col_type j = cstart ; j <= c ; ++j)
2682                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2683                                                 ++offset;
2684                                 col_type lastcol = (*it1 == *it2) ? c + 1 + offset : columns.size() - c + offset;
2685                                 if (toprtrims.find(c) != toprtrims.end()
2686                                     && toprtrims.find(c)->second)
2687                                         trim += "r";
2688
2689                                 os << cline;
2690                                 if (!trim.empty())
2691                                         os << "(" << trim << ")";
2692                                 if (firstcol > lastcol)
2693                                         // This can happen with bidi (swapped columns)
2694                                         os << "{" << lastcol << '-' << firstcol << "}";
2695                                 else
2696                                         os << "{" << firstcol << '-' << lastcol << "}";
2697                                 if (c == columns.size() - 1)
2698                                         break;
2699                                 ++c;
2700                         }
2701                 }
2702         }
2703         os << "\n";
2704 }
2705
2706
2707 void Tabular::TeXBottomHLine(otexstream & os, row_type row, list<col_type> columns,
2708                              list<col_type> logical_columns) const
2709 {
2710         // we output bottomlines of row r and the toplines of row r+1
2711         // if the latter do not span the whole tabular
2712
2713         // get the bottomlines of row r, and toplines in next row
2714         bool lastrow = row == getLastRow(!buffer().params().output_changes);
2715         map<col_type, bool> bottomline, topline, topltrims, toprtrims, bottomltrims, bottomrtrims;
2716         bool nextrowset = true;
2717         for (auto const & c : columns) {
2718                 idx_type const idx = cellIndex(row, c);
2719                 bottomline[c] = bottomLine(cellIndex(row, c));
2720                 bottomltrims[c] = bottomLineTrim(idx).first;
2721                 bottomrtrims[c] = bottomLineTrim(idx).second;
2722                 topline[c] =  !lastrow && topLine(cellIndex(row + 1, c));
2723                 topltrims[c] = !lastrow && topLineTrim(cellIndex(row + 1, c)).first;
2724                 toprtrims[c] = !lastrow && topLineTrim(cellIndex(row + 1, c)).second;
2725                 // If cell is part of a multirow and not the last cell of the
2726                 // multirow, no line must be drawn.
2727                 if (!lastrow)
2728                         if (isMultiRow(cellIndex(row, c))
2729                             && isMultiRow(cellIndex(row + 1, c))
2730                             && cell_info[row + 1][c].multirow != CELL_BEGIN_OF_MULTIROW) {
2731                                 bottomline[c] = false;
2732                                 topline[c] = false;
2733                                 bottomltrims[c] = false;
2734                                 bottomrtrims[c] = false;
2735                                 topltrims[c] = false;
2736                                 toprtrims[c] = false;
2737                         }
2738                 // copy trimming in multicolumn parts
2739                 if (isPartOfMultiColumn(row, c)) {
2740                         topltrims[c] = topltrims[c-1];
2741                         toprtrims[c] = toprtrims[c-1];
2742                         bottomltrims[c] = bottomltrims[c-1];
2743                         bottomrtrims[c] = bottomrtrims[c-1];
2744                 }
2745
2746                 nextrowset &= topline.find(c) != topline.end() && topline.find(c)->second;
2747         }
2748
2749         // combine this row's bottom lines and next row's toplines if necessary
2750         col_type nset = 0;
2751         bool have_trims = false;
2752         for (auto const & c : columns) {
2753                 if (!nextrowset)
2754                         bottomline[c] = bottomline.find(c)->second || topline.find(c)->second;
2755                 bottomltrims[c] = (bottomltrims.find(c) != bottomltrims.end() && bottomltrims.find(c)->second)
2756                                 || (topltrims.find(c) != topltrims.end() && topltrims.find(c)->second);
2757                 bottomrtrims[c] = (bottomrtrims.find(c) != bottomrtrims.end() && bottomrtrims.find(c)->second)
2758                                 || (toprtrims.find(c) != toprtrims.end() && toprtrims.find(c)->second);
2759                 if (bottomline.find(c)->second)
2760                         ++nset;
2761                 if ((bottomltrims.find(c) != bottomltrims.end() && bottomltrims.find(c)->second)
2762                      || (bottomrtrims.find(c) != bottomrtrims.end() && bottomrtrims.find(c)->second))
2763                         have_trims = true;
2764         }
2765
2766         // do nothing if empty, OR incomplete row line with a topline in next row
2767         if (nset == 0 || (nextrowset && nset != columns.size()))
2768                 return;
2769
2770         if (nset == columns.size() && !have_trims) {
2771                 if (use_booktabs)
2772                         os << (lastrow ? "\\bottomrule" : "\\midrule");
2773                 else
2774                         os << "\\hline ";
2775         } else {
2776                 string const cline = use_booktabs ? "\\cmidrule" : "\\cline";
2777                 col_type c = 0;
2778                 std::list<col_type>::const_iterator it1 = logical_columns.begin();
2779                 std::list<col_type>::const_iterator it2 = columns.begin();
2780                 // We need to iterate over the logical columns here, but take care for
2781                 // bidi swapping
2782                 for (; it1 != logical_columns.end() && it2 != columns.end(); ++it1, ++it2) {
2783                         col_type cl = *it1;
2784                         if (cl < c)
2785                                 continue;
2786                         c = cl;
2787                         if (bottomline.find(c)->second) {
2788                                 col_type offset = 0;
2789                                 for (col_type j = 0 ; j < c; ++j)
2790                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2791                                                 ++offset;
2792                                 // If the two iterators differ, we are in bidi with swapped columns
2793                                 col_type firstcol = (*it1 == *it2) ? c + 1 + offset : columns.size() - c + offset;
2794                                 while (isPartOfMultiColumn(row, c))
2795                                         ++c;
2796                                 string trim;
2797                                 if (bottomltrims.find(c) != bottomltrims.end()
2798                                      && bottomltrims.find(c)->second)
2799                                         trim = "l";
2800                                 col_type cstart = c;
2801                                 for ( ; c < ncols() - 1 && bottomline.find(c + 1)->second ; ++c) {
2802                                         if (isMultiColumn(cellIndex(row, c))
2803                                             && c < ncols() - 1
2804                                             && isPartOfMultiColumn(row, c + 1))
2805                                                 continue;
2806                                         if (c > cstart
2807                                             && bottomltrims.find(c) != bottomltrims.end()
2808                                             && bottomltrims.find(c)->second) {
2809                                                 if (!isPartOfMultiColumn(row, c))
2810                                                         --c;
2811                                                 break;
2812                                         } else if (bottomrtrims.find(c) != bottomrtrims.end()
2813                                                    && bottomrtrims.find(c)->second)
2814                                                 break;
2815                                 }
2816
2817                                 for (col_type j = cstart ; j <= c ; ++j)
2818                                         if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
2819                                                 ++offset;
2820                                 col_type lastcol = (*it1 == *it2) ? c + 1 + offset : columns.size() - c + offset;
2821                                 if (bottomrtrims.find(c) != bottomrtrims.end()
2822                                     && bottomrtrims.find(c)->second)
2823                                         trim += "r";
2824
2825                                 os << cline;
2826                                 if (!trim.empty())
2827                                         os << "(" << trim << ")";
2828                                 if (firstcol > lastcol)
2829                                         // This can happen with bidi (swapped columns)
2830                                         os << "{" << lastcol << '-' << firstcol << "}";
2831                                 else
2832                                         os << "{" << firstcol << '-' << lastcol << "}";
2833                                 if (c == columns.size() - 1)
2834                                         break;
2835                                 ++c;
2836                         }
2837                 }
2838         }
2839         os << "\n";
2840 }
2841
2842
2843 void Tabular::TeXCellPreamble(otexstream & os, idx_type cell,
2844                               bool & ismulticol, bool & ismultirow,
2845                               bool const bidi) const
2846 {
2847         row_type const r = cellRow(cell);
2848         if (is_long_tabular && row_info[r].caption)
2849                 return;
2850
2851         Tabular::VAlignment valign =  getVAlignment(cell, !isMultiColumn(cell));
2852         LyXAlignment align = getAlignment(cell, !isMultiColumn(cell));
2853         // figure out how to set the lines
2854         // we always set double lines to the right of the cell
2855         // or left in bidi RTL, respectively.
2856         col_type const c = cellColumn(cell);
2857         col_type const nextcol = c + columnSpan(cell);
2858         bool const decimal = column_info[c].alignment == LYX_ALIGN_DECIMAL;
2859         bool colright = columnRightLine(c);
2860         bool colleft = columnLeftLine(c);
2861         bool nextcolleft = nextcol < ncols() && columnLeftLine(nextcol);
2862         bool nextcellleft = nextcol < ncols()
2863                 && leftLine(cellIndex(r, nextcol));
2864         bool coldouble = colright && nextcolleft;
2865         bool celldouble = rightLine(cell) && nextcellleft;
2866
2867         ismulticol = (isMultiColumn(cell)
2868                       || (c == 0 && colleft != leftLine(cell))
2869                       || ((colright || nextcolleft) && !rightLine(cell) && !nextcellleft)
2870                       || (!colright && !nextcolleft && (rightLine(cell) || nextcellleft))
2871                       || (coldouble != celldouble))
2872                      && !decimal;
2873
2874         // we center in multicol when no decimal point
2875         if (decimal) {
2876                 docstring const align_d = column_info[c].decimal_point;
2877                 DocIterator const dit = separatorPos(cellInset(cell), align_d);
2878                 bool const nosep = !dit;
2879                 ismulticol |= nosep;
2880                 celldouble &= nosep;
2881         }
2882
2883         // up counter by 1 for each decimally aligned col since they use 2 latex cols
2884         int latexcolspan = columnSpan(cell);
2885         for (col_type col = c; col < c + columnSpan(cell); ++col)
2886                 if (column_info[col].alignment == LYX_ALIGN_DECIMAL)
2887                         ++latexcolspan;
2888
2889         if (ismulticol) {
2890                 os << "\\multicolumn{" << latexcolspan << "}{";
2891                 if (((bidi && c == getLastCellInRow(cellRow(0)) && rightLine(cell))
2892                      || (!bidi && c == 0 && leftLine(cell))))
2893                         os << '|';
2894                 if (bidi && celldouble)
2895                         // add extra vertical line if we want a double one
2896                         os << '|';
2897                 if (!cellInfo(cell).align_special.empty()) {
2898                         os << cellInfo(cell).align_special;
2899                 } else {
2900                         if (!getPWidth(cell).zero()) {
2901                                 switch (align) {
2902                                 case LYX_ALIGN_LEFT:
2903                                         os << ">{\\raggedright}";
2904                                         break;
2905                                 case LYX_ALIGN_RIGHT:
2906                                         os << ">{\\raggedleft}";
2907                                         break;
2908                                 case LYX_ALIGN_CENTER:
2909                                         os << ">{\\centering}";
2910                                         break;
2911                                 default:
2912                                         break;
2913                                 }
2914                                 switch (valign) {
2915                                 case LYX_VALIGN_TOP:
2916                                         os << 'p';
2917                                         break;
2918                                 case LYX_VALIGN_MIDDLE:
2919                                         os << 'm';
2920                                         break;
2921                                 case LYX_VALIGN_BOTTOM:
2922                                         os << 'b';
2923                                         break;
2924                                 }
2925                                 os << '{'
2926                                    << from_ascii(getPWidth(cell).asLatexString())
2927                                    << '}';
2928                         } else {
2929                                 if ((getRotateCell(cell) == 0 && useBox(cell) == BOX_VARWIDTH
2930                                      && align == LYX_ALIGN_LEFT))
2931                                         os << "V{\\linewidth}";
2932                                 else {
2933                                         switch (align) {
2934                                         case LYX_ALIGN_LEFT:
2935                                                 os << 'l';
2936                                                 break;
2937                                         case LYX_ALIGN_RIGHT:
2938                                                 os << 'r';
2939                                                 break;
2940                                         default:
2941                                                 os << 'c';
2942                                                 break;
2943                                         }
2944                                 }
2945                         } // end if else !getPWidth
2946                 } // end if else !cellinfo_of_cell
2947                 if ((bidi && leftLine(cell)) || (!bidi && rightLine(cell)) || nextcellleft)
2948                         os << '|';
2949                 if (!bidi && celldouble)
2950                         // add extra vertical line if we want a double one
2951                         os << '|';
2952                 os << "}{";
2953         } // end if ismulticol
2954
2955         // we only need code for the first multirow cell
2956         ismultirow = isMultiRow(cell);
2957         if (ismultirow) {
2958                 os << "\\multirow{" << rowSpan(cell) << "}{";
2959                 if (!getPWidth(cell).zero())
2960                         os << from_ascii(getPWidth(cell).asLatexString());
2961                 else {
2962                         if (column_info[c].varwidth)
2963                                 // this inherits varwidth size
2964                                 os << "=";
2965                         else
2966                                 // we need to set a default value
2967                                 os << "*";
2968                 }
2969                 os << "}";
2970                 if (!getMROffset(cell).zero())
2971                         os << "[" << from_ascii(getMROffset(cell).asLatexString()) << "]";
2972                 os << "{";
2973         } // end if ismultirow
2974
2975         if (getRotateCell(cell) != 0)
2976                 os << "\\begin{turn}{" << convert<string>(getRotateCell(cell)) << "}\n";
2977
2978         if (getUsebox(cell) == BOX_PARBOX) {
2979                 os << "\\parbox[";
2980                 switch (valign) {
2981                 case LYX_VALIGN_TOP:
2982                         os << 't';
2983                         break;
2984                 case LYX_VALIGN_MIDDLE:
2985                         os << 'c';
2986                         break;
2987                 case LYX_VALIGN_BOTTOM:
2988                         os << 'b';
2989                         break;
2990                 }
2991                 os << "]{" << from_ascii(getPWidth(cell).asLatexString())
2992                    << "}{";
2993         } else if (getUsebox(cell) == BOX_MINIPAGE) {
2994                 os << "\\begin{minipage}[";
2995                 switch (valign) {
2996                 case LYX_VALIGN_TOP:
2997                         os << 't';
2998                         break;
2999                 case LYX_VALIGN_MIDDLE:
3000                         os << 'm';
3001                         break;
3002                 case LYX_VALIGN_BOTTOM:
3003                         os << 'b';
3004                         break;
3005                 }
3006                 os << "]{" << from_ascii(getPWidth(cell).asLatexString())
3007                    << "}\n";
3008         } else if (getUsebox(cell) == BOX_VARWIDTH
3009                    && (getRotateCell(cell) != 0 || align != LYX_ALIGN_LEFT
3010                        || valign != LYX_VALIGN_TOP)) {
3011                 os << "\\begin{cellvarwidth}[";
3012                 switch (valign) {
3013                 case LYX_VALIGN_TOP:
3014                         os << 't';
3015                         break;
3016                 case LYX_VALIGN_MIDDLE:
3017                         os << 'm';
3018                         break;
3019                 case LYX_VALIGN_BOTTOM:
3020                         os << 'b';
3021                         break;
3022                 }
3023                 os << "]\n";
3024                 switch (align) {
3025                 case LYX_ALIGN_RIGHT:
3026                         os << "\\raggedleft\n";
3027                         break;
3028                 case LYX_ALIGN_CENTER:
3029                         os << "\\centering\n";
3030                         break;
3031                 case LYX_ALIGN_LEFT:
3032                         //os << "\\narrowragged\n";
3033                         break;
3034                 case LYX_ALIGN_BLOCK:
3035                 case LYX_ALIGN_DECIMAL:
3036                 case LYX_ALIGN_NONE:
3037                 case LYX_ALIGN_LAYOUT:
3038                 case LYX_ALIGN_SPECIAL:
3039                         break;
3040                 }
3041         }
3042 }
3043
3044
3045 void Tabular::TeXCellPostamble(otexstream & os, idx_type cell,
3046                                bool ismulticol, bool ismultirow) const
3047 {
3048         row_type const r = cellRow(cell);
3049         if (is_long_tabular && row_info[r].caption)
3050                 return;
3051
3052         // usual cells
3053         if (getUsebox(cell) == BOX_PARBOX)
3054                 os << '}';
3055         else if (getUsebox(cell) == BOX_MINIPAGE)
3056                 os << breakln << "\\end{minipage}";
3057         else if (getUsebox(cell) == BOX_VARWIDTH
3058                  && (getRotateCell(cell) != 0 || getAlignment(cell) != LYX_ALIGN_LEFT
3059                      || getVAlignment(cell) != LYX_VALIGN_TOP))
3060                 os << breakln << "\\end{cellvarwidth}";
3061         if (getRotateCell(cell) != 0)
3062                 os << breakln << "\\end{turn}";
3063         if (ismultirow)
3064                 os << '}';
3065         if (ismulticol)
3066                 os << '}';
3067 }
3068
3069
3070 void Tabular::TeXLongtableHeaderFooter(otexstream & os,
3071                                        OutputParams const & runparams,
3072                                        list<col_type> columns,
3073                                        list<col_type> logical_columns) const
3074 {
3075         if (!is_long_tabular)
3076                 return;
3077
3078         // caption handling
3079         // output caption which is in no header or footer
3080         if (haveLTCaption()) {
3081                 for (row_type r = 0; r < nrows(); ++r) {
3082                         if (row_info[r].caption &&
3083                             !row_info[r].endfirsthead && !row_info[r].endhead &&
3084                             !row_info[r].endfoot && !row_info[r].endlastfoot)
3085                                 TeXRow(os, r, runparams, columns, logical_columns);
3086                 }
3087         }
3088         // output first header info
3089         if (haveLTFirstHead()) {
3090                 if (endfirsthead.topDL)
3091                         os << "\\hline\n";
3092                 for (row_type r = 0; r < nrows(); ++r) {
3093                         if (row_info[r].endfirsthead)
3094                                 TeXRow(os, r, runparams, columns, logical_columns);
3095                 }
3096                 if (endfirsthead.bottomDL)
3097                         os << "\\hline\n";
3098                 os << "\\endfirsthead\n";
3099         }
3100         // output header info
3101         if (haveLTHead()) {
3102                 if (endfirsthead.empty && !haveLTFirstHead())
3103                         os << "\\endfirsthead\n";
3104                 if (endhead.topDL)
3105                         os << "\\hline\n";
3106                 for (row_type r = 0; r < nrows(); ++r) {
3107                         if (row_info[r].endhead)
3108                                 TeXRow(os, r, runparams, columns, logical_columns);
3109                 }
3110                 if (endhead.bottomDL)
3111                         os << "\\hline\n";
3112                 os << "\\endhead\n";
3113         }
3114         // output footer info
3115         if (haveLTFoot()) {
3116                 if (endfoot.topDL)
3117                         os << "\\hline\n";
3118                 for (row_type r = 0; r < nrows(); ++r) {
3119                         if (row_info[r].endfoot)
3120                                 TeXRow(os, r, runparams, columns, logical_columns);
3121                 }
3122                 if (endfoot.bottomDL)
3123                         os << "\\hline\n";
3124                 os << "\\endfoot\n";
3125                 if (endlastfoot.empty && !haveLTLastFoot())
3126                         os << "\\endlastfoot\n";
3127         }
3128         // output lastfooter info
3129         if (haveLTLastFoot()) {
3130                 if (endlastfoot.topDL)
3131                         os << "\\hline\n";
3132                 for (row_type r = 0; r < nrows(); ++r) {
3133                         if (row_info[r].endlastfoot)
3134                                 TeXRow(os, r, runparams, columns, logical_columns);
3135                 }
3136                 if (endlastfoot.bottomDL)
3137                         os << "\\hline\n";
3138                 os << "\\endlastfoot\n";
3139         }
3140 }
3141
3142
3143 bool Tabular::isValidRow(row_type row) const
3144 {
3145         if (!is_long_tabular)
3146                 return true;
3147         return !row_info[row].endhead && !row_info[row].endfirsthead
3148                 && !row_info[row].endfoot && !row_info[row].endlastfoot
3149                 && !row_info[row].caption;
3150 }
3151
3152
3153 void Tabular::TeXRow(otexstream & os, row_type row,
3154                      OutputParams const & runparams,
3155                      list<col_type> columns, list<col_type> logical_columns) const
3156 {
3157         //output the top line
3158         TeXTopHLine(os, row, columns, logical_columns);
3159
3160         if (row_info[row].top_space_default) {
3161                 if (use_booktabs)
3162                         os << "\\addlinespace\n";
3163                 else
3164                         os << "\\noalign{\\vskip\\doublerulesep}\n";
3165         } else if(!row_info[row].top_space.zero()) {
3166                 if (use_booktabs)
3167                         os << "\\addlinespace["
3168                            << from_ascii(row_info[row].top_space.asLatexString())
3169                            << "]\n";
3170                 else {
3171                         os << "\\noalign{\\vskip"
3172                            << from_ascii(row_info[row].top_space.asLatexString())
3173                            << "}\n";
3174                 }
3175         }
3176         bool ismulticol = false;
3177         bool ismultirow = false;
3178
3179         // The bidi package (loaded by polyglossia with XeTeX) reverses RTL table columns
3180         // Luabibdi (used by LuaTeX) behaves like classic
3181         bool const bidi_rtl =
3182                 runparams.local_font->isRightToLeft()
3183                 && runparams.useBidiPackage();
3184         bool const ct = !buffer().params().output_changes;
3185         idx_type lastcell =
3186                 bidi_rtl ? getFirstCellInRow(row, ct) : getLastCellInRow(row, ct);
3187
3188         for (auto const & c : columns) {
3189                 if (isPartOfMultiColumn(row, c))
3190                         continue;
3191
3192                 idx_type cell = cellIndex(row, c);
3193
3194                 if (isPartOfMultiRow(row, c)
3195                     && column_info[c].alignment != LYX_ALIGN_DECIMAL) {
3196                         if (cell != lastcell)
3197                                 os << " & ";
3198                         continue;
3199                 }
3200
3201                 TeXCellPreamble(os, cell, ismulticol, ismultirow, bidi_rtl);
3202                 InsetTableCell const * inset = cellInset(cell);
3203
3204                 Paragraph const & par = inset->paragraphs().front();
3205
3206                 os.texrow().forceStart(par.id(), 0);
3207
3208                 bool rtl = par.isRTL(buffer().params())
3209                         && !par.empty()
3210                         && getPWidth(cell).zero()
3211                         && !runparams.use_polyglossia;
3212
3213                 if (rtl) {
3214                         string const lang =
3215                                 par.getParLanguage(buffer().params())->lang();
3216                         if (lang == "farsi")
3217                                 os << "\\textFR{";
3218                         else if (lang == "arabic_arabi")
3219                                 os << "\\textAR{";
3220                         // currently, remaining RTL languages are
3221                         // arabic_arabtex and hebrew
3222                         else
3223                                 os << "\\R{";
3224                 }
3225                 // pass to the OutputParams that we are in a cell and
3226                 // which alignment we have set.
3227                 // InsetNewline needs this context information.
3228                 OutputParams newrp(runparams);
3229                 newrp.inTableCell = (getAlignment(cell) == LYX_ALIGN_BLOCK)
3230                                     ? OutputParams::PLAIN
3231                                     : OutputParams::ALIGNED;
3232
3233                 if (getAlignment(cell) == LYX_ALIGN_DECIMAL) {
3234                         // copy cell and split in 2
3235                         InsetTableCell head = InsetTableCell(*cellInset(cell));
3236                         head.setBuffer(const_cast<Buffer &>(buffer()));
3237                         DocIterator dit = cellInset(cell)->getText(0)->macrocontextPosition();
3238                         dit.pop_back();
3239                         dit.push_back(CursorSlice(head));
3240                         head.setMacrocontextPositionRecursive(dit);
3241                         bool hassep = false;
3242                         InsetTableCell tail = splitCell(head, column_info[c].decimal_point, hassep);
3243                         if (hassep) {
3244                                 tail.setBuffer(head.buffer());
3245                                 dit.pop_back();
3246                                 dit.push_back(CursorSlice(tail));
3247                                 tail.setMacrocontextPositionRecursive(dit);
3248                         }
3249                         if (bidi_rtl) {
3250                                 if (hassep) {
3251                                         tail.latex(os, newrp);
3252                                         os << '&';
3253                                 }
3254                                 head.latex(os, newrp);
3255                         } else {
3256                                 head.latex(os, newrp);
3257                                 if (hassep) {
3258                                         os << '&';
3259                                         tail.latex(os, newrp);
3260                                 }
3261                         }
3262                 } else if (ltCaption(row)) {
3263                         // Inside longtable caption rows, we must only output the caption inset
3264                         // with its content and omit anything outside of that (see #10791)
3265                         InsetTableCell & tc_inset = *const_cast<InsetTableCell *>(inset);
3266                         for (Inset const & it : tc_inset) {
3267                                 if (it.lyxCode() != CAPTION_CODE)
3268                                         continue;
3269                                 it.latex(os, runparams);
3270                                 break;
3271                         }
3272                 } else if (!isPartOfMultiRow(row, c)) {
3273                         if (!runparams.nice)
3274                                 os.texrow().start(par.id(), 0);
3275                         if (isMultiRow(cell) && !LaTeXFeatures::isAvailable("multirow-2021/01/29"))
3276                                 newrp.isNonLong = true;
3277                         inset->latex(os, newrp);
3278                 }
3279
3280                 runparams.encoding = newrp.encoding;
3281                 if (rtl)
3282                         os << '}';
3283
3284                 TeXCellPostamble(os, cell, ismulticol, ismultirow);
3285                 if (cell != lastcell) { // not last cell in row
3286                         if (runparams.nice)
3287                                 os << " & ";
3288                         else
3289                                 os << " &\n";
3290                 }
3291         }
3292         os << "\\tabularnewline";
3293         if (row_info[row].bottom_space_default) {
3294                 if (use_booktabs)
3295                         os << "\\addlinespace";
3296                 else
3297                         os << "[\\doublerulesep]";
3298         } else if (!row_info[row].bottom_space.zero()) {
3299                 if (use_booktabs)
3300                         os << "\\addlinespace";
3301                 os << '['
3302                    << from_ascii(row_info[row].bottom_space.asLatexString())
3303                    << ']';
3304         }
3305         os << '\n';
3306
3307         //output the bottom line
3308         TeXBottomHLine(os, row, columns, logical_columns);
3309
3310         if (row_info[row].interline_space_default) {
3311                 if (use_booktabs)
3312                         os << "\\addlinespace\n";
3313                 else
3314                         os << "\\noalign{\\vskip\\doublerulesep}\n";
3315         } else if (!row_info[row].interline_space.zero()) {
3316                 if (use_booktabs)
3317                         os << "\\addlinespace["
3318                            << from_ascii(row_info[row].interline_space.asLatexString())
3319                            << "]\n";
3320                 else
3321                         os << "\\noalign{\\vskip"
3322                            << from_ascii(row_info[row].interline_space.asLatexString())
3323                            << "}\n";
3324         }
3325 }
3326
3327
3328 void Tabular::latex(otexstream & os, OutputParams const & runparams) const
3329 {
3330         bool const is_tabular_star = !is_long_tabular && !tabular_width.zero()
3331                 && !hasVarwidthColumn();
3332         bool const is_xltabular = is_long_tabular
3333                 && (hasVarwidthColumn() || !tabular_width.zero());
3334         TexRow::RowEntry pos = TexRow::textEntry(runparams.lastid, runparams.lastpos);
3335
3336         //+---------------------------------------------------------------------
3337         //+                      first the opening preamble                    +
3338         //+---------------------------------------------------------------------
3339
3340         os << safebreakln;
3341         if (!TexRow::isNone(pos))
3342                 os.texrow().start(pos);
3343
3344         if (rotate != 0) {
3345                 if (is_long_tabular)
3346                         os << "\\begin{landscape}\n";
3347                 else
3348                         os << "\\begin{turn}{" << convert<string>(rotate) << "}\n";
3349         }
3350
3351         // The bidi package (loaded by polyglossia with XeTeX) swaps the column
3352         // order for RTL (#9686). Thus we use this list.
3353         bool const bidi_rtl =
3354                 runparams.local_font->isRightToLeft()
3355                 && runparams.useBidiPackage();
3356         list<col_type> columns;
3357         list<col_type> logical_columns;
3358         for (col_type cl = 0; cl < ncols(); ++cl) {
3359                 if (!buffer().params().output_changes && column_info[cl].change.deleted())
3360                         continue;
3361                 if (bidi_rtl)
3362                         columns.push_front(cl);
3363                 else
3364                         columns.push_back(cl);
3365                 // for some calculations, we need the logical (non-swapped)
3366                 // columns also in bidi.
3367                 logical_columns.push_back(cl);
3368         }
3369
3370         // If we use \cline or \cmidrule, we need to locally de-activate
3371         // the - character when using languages that activate it (e.g., Czech, Slovak).
3372         bool deactivate_chars = false;
3373         if ((runparams.use_babel || runparams.use_polyglossia)
3374             && contains(runparams.active_chars, '-')) {
3375                 bool have_clines = false;
3376                 // Check if we use \cline or \cmidrule
3377                 for (row_type row = 0; row < nrows(); ++row) {
3378                         col_type bset = 0, tset = 0;
3379                         for (auto const & c : columns) {
3380                                 idx_type const idx = cellIndex(row, c);
3381                                 if (bottomLineTrim(idx).first || bottomLineTrim(idx).second
3382                                     || topLineTrim(idx).first || topLineTrim(idx).second) {
3383                                         have_clines = true;
3384                                         break;
3385                                 }
3386                                 if (bottomLine(cellIndex(row, c)))
3387                                         ++bset;
3388                                 if (topLine(cellIndex(row, c)))
3389                                         ++tset;
3390                         }
3391                         if ((bset > 0 && bset < ncols()) || (tset > 0 && tset < ncols())) {
3392                                 have_clines = true;
3393                                 break;
3394                         }
3395                 }
3396                 if (have_clines) {
3397                         deactivate_chars = true;
3398                         os << "\\begingroup\n"
3399                            << "\\catcode`\\-=12\n";
3400                 }
3401         }
3402
3403         if (is_long_tabular) {
3404                 if (is_xltabular)
3405                         os << "\\begin{xltabular}";
3406                 else
3407                         os << "\\begin{longtable}";
3408                 switch (longtabular_alignment) {
3409                 case LYX_LONGTABULAR_ALIGN_LEFT:
3410                         os << "[l]";
3411                         break;
3412                 case LYX_LONGTABULAR_ALIGN_CENTER:
3413                         os << "[c]";
3414                         break;
3415                 case LYX_LONGTABULAR_ALIGN_RIGHT:
3416                         os << "[r]";
3417                         break;
3418                 }
3419                 if (is_xltabular) {
3420                         if (tabular_width.zero())
3421                                 os << "{" << from_ascii("\\columnwidth") << "}";
3422                         else
3423                                 os << "{" << from_ascii(tabular_width.asLatexString()) << "}";
3424                 }
3425         } else {
3426                 if (is_tabular_star)
3427                         os << "\\begin{tabular*}{" << from_ascii(tabular_width.asLatexString()) << "}";
3428                 else if (hasVarwidthColumn()) {
3429                         os << "\\begin{tabularx}{";
3430                         if (tabular_width.zero())
3431                                 os << from_ascii("\\columnwidth") << "}";
3432                         else
3433                                 os << from_ascii(tabular_width.asLatexString()) << "}";
3434                 } else
3435                         os << "\\begin{tabular}";
3436                 switch (tabular_valignment) {
3437                 case LYX_VALIGN_TOP:
3438                         os << "[t]";
3439                         break;
3440                 case LYX_VALIGN_MIDDLE:
3441                         break;
3442                 case LYX_VALIGN_BOTTOM:
3443                         os << "[b]";
3444                         break;
3445                 }
3446         }
3447
3448         os << "{";
3449
3450         if (is_tabular_star)
3451                 os << "@{\\extracolsep{\\fill}}";
3452
3453         for (auto const & c : columns) {
3454                 if ((bidi_rtl && columnRightLine(c)) || (!bidi_rtl && columnLeftLine(c)))
3455                         os << '|';
3456                 if (!column_info[c].align_special.empty()) {
3457                         os << column_info[c].align_special;
3458                 } else {
3459                         if (!column_info[c].p_width.zero()) {
3460                                 bool decimal = false;
3461                                 switch (column_info[c].alignment) {
3462                                 case LYX_ALIGN_LEFT:
3463                                         os << ">{\\raggedright}";
3464                                         break;
3465                                 case LYX_ALIGN_RIGHT:
3466                                         os << ">{\\raggedleft}";
3467                                         break;
3468                                 case LYX_ALIGN_CENTER:
3469                                         os << ">{\\centering}";
3470                                         break;
3471                                 case LYX_ALIGN_NONE:
3472                                 case LYX_ALIGN_BLOCK:
3473                                 case LYX_ALIGN_LAYOUT:
3474                                 case LYX_ALIGN_SPECIAL:
3475                                         break;
3476                                 case LYX_ALIGN_DECIMAL: {
3477                                         if (bidi_rtl)
3478                                                 os << ">{\\raggedright}";
3479                                         else
3480                                                 os << ">{\\raggedleft}";
3481                                         decimal = true;
3482                                         break;
3483                                 }
3484                                 }
3485
3486                                 char valign = 'p';
3487                                 switch (column_info[c].valignment) {
3488                                 case LYX_VALIGN_TOP:
3489                                         // this is the default
3490                                         break;
3491                                 case LYX_VALIGN_MIDDLE:
3492                                         valign = 'm';
3493                                         break;
3494                                 case LYX_VALIGN_BOTTOM:
3495                                         valign = 'b';
3496                                         break;
3497                                 }
3498                                 os << valign;
3499
3500                                 // Fixed-width cells with alignment at decimal separator
3501                                 // are output as two cells of half the width with the decimal
3502                                 // separator as column sep. This effectively puts the content
3503                                 // centered, which differs from the normal decimal sep alignment
3504                                 // and is not ideal, but we cannot do better ATM (see #9568).
3505                                 // FIXME: Implement proper decimal sep alignment, e.g. via siunitx.
3506                                 if (decimal) {
3507                                         docstring const halffixedwith =
3508                                                 from_ascii(Length(column_info[c].p_width.value() / 2,
3509                                                                   column_info[c].p_width.unit()).asLatexString());
3510                                         os << '{'
3511                                            << halffixedwith
3512                                            << '}'
3513                                            << "@{\\extracolsep{0pt}" << column_info[c].decimal_point << "}"
3514                                            << valign
3515                                            << '{'
3516                                            << halffixedwith
3517                                            << '}';
3518                                 } else
3519                                         os << '{'
3520                                            << from_ascii(column_info[c].p_width.asLatexString())
3521                                            << '}';
3522                         } else if (column_info[c].varwidth) {
3523                                 switch (column_info[c].alignment) {
3524                                 case LYX_ALIGN_LEFT:
3525                                         os << ">{\\raggedright\\arraybackslash}";
3526                                         break;
3527                                 case LYX_ALIGN_RIGHT:
3528                                         os << ">{\\raggedleft\\arraybackslash}";
3529                                         break;
3530                                 case LYX_ALIGN_CENTER:
3531                                         os << ">{\\centering\\arraybackslash}";
3532                                         break;
3533                                 case LYX_ALIGN_NONE:
3534                                 case LYX_ALIGN_BLOCK:
3535                                 case LYX_ALIGN_LAYOUT:
3536                                 case LYX_ALIGN_SPECIAL:
3537                                 case LYX_ALIGN_DECIMAL:
3538                                         break;
3539                                 }
3540                                 os << 'X';
3541                         } else if (isVTypeColumn(c))
3542                                 os << "V{\\linewidth}";
3543                         else {
3544                                 switch (column_info[c].alignment) {
3545                                 case LYX_ALIGN_LEFT:
3546                                         os << 'l';
3547                                         break;
3548                                 case LYX_ALIGN_RIGHT:
3549                                         os << 'r';
3550                                         break;
3551                                 case LYX_ALIGN_DECIMAL:
3552                                         os << "r@{\\extracolsep{0pt}" << column_info[c].decimal_point << "}l";
3553                                         break;
3554                                 default:
3555                                         os << 'c';
3556                                         break;
3557                                 }
3558                         } // end if else !column_info[i].p_width
3559                 } // end if else !column_info[i].align_special
3560                 if ((bidi_rtl && columnLeftLine(c)) || (!bidi_rtl && columnRightLine(c)))
3561                         os << '|';
3562         }
3563         os << "}\n";
3564
3565         TeXLongtableHeaderFooter(os, runparams, columns, logical_columns);
3566
3567         //+---------------------------------------------------------------------
3568         //+                      the single row and columns (cells)            +
3569         //+---------------------------------------------------------------------
3570
3571         for (row_type r = 0; r < nrows(); ++r) {
3572                 if (!buffer().params().output_changes && row_info[r].change.deleted())
3573                         continue;
3574                 if (isValidRow(r)) {
3575                         TeXRow(os, r, runparams, columns, logical_columns);
3576                         if (is_long_tabular && row_info[r].newpage)
3577                                 os << "\\newpage\n";
3578                 }
3579         }
3580
3581         //+---------------------------------------------------------------------
3582         //+                      the closing of the tabular                    +
3583         //+---------------------------------------------------------------------
3584
3585         if (is_long_tabular) {
3586                 if (is_xltabular)
3587                         os << "\\end{xltabular}";
3588                 else
3589                         os << "\\end{longtable}";
3590         } else {
3591                 if (is_tabular_star)
3592                         os << "\\end{tabular*}";
3593                 else if (hasVarwidthColumn())
3594                         os << "\\end{tabularx}";
3595                 else
3596                         os << "\\end{tabular}";
3597         }
3598
3599         if (deactivate_chars)
3600                 // close the group
3601                 os << "\n\\endgroup\n";
3602
3603         if (rotate != 0) {
3604                 if (is_long_tabular)
3605                         os << breakln << "\\end{landscape}";
3606                 else
3607                         os << breakln << "\\end{turn}";
3608         }
3609
3610         if (!TexRow::isNone(pos))
3611                 os.texrow().start(pos);
3612 }
3613
3614
3615 std::string Tabular::getVAlignAsXmlAttribute(idx_type cell) const
3616 {
3617         switch (getVAlignment(cell)) {
3618         case LYX_VALIGN_TOP:
3619                 return "valign='top'";
3620         case LYX_VALIGN_BOTTOM:
3621                 return "valign='bottom'";
3622         case LYX_VALIGN_MIDDLE:
3623                 return "valign='middle'";
3624         default:
3625                 // This case only silences a compiler warning, as all the cases are covered above.
3626                 return "";
3627         }
3628 }
3629
3630
3631 std::string Tabular::getHAlignAsXmlAttribute(idx_type cell, bool is_xhtml) const
3632 {
3633         // TODO: the Boolean flag isn't really clean; switch to an enum at some point.
3634         switch (getAlignment(cell)) {
3635         case LYX_ALIGN_LEFT:
3636                 return "align='left'";
3637         case LYX_ALIGN_RIGHT:
3638                 return "align='right'";
3639
3640         default:
3641                 // HTML only supports left, right, and center.
3642                 if (is_xhtml)
3643                         return "align='center'";
3644
3645                 // DocBook also has justify and decimal.
3646                 if (getAlignment(cell) == LYX_ALIGN_BLOCK) {
3647                         return "align='justify'";
3648                 } else if (getAlignment(cell) == LYX_ALIGN_DECIMAL) {
3649                         Language const *tlang = buffer().paragraphs().front().getParLanguage(buffer().params());
3650                         return "align='char' char='" + to_utf8(tlang->decimalSeparator()) + "'";
3651                 } else {
3652                         return "align='center'";
3653                 }
3654         }
3655 }
3656
3657 Tabular::XmlRowWiseBorders Tabular::computeXmlBorders(row_type row) const
3658 {
3659         Tabular::XmlRowWiseBorders borders;
3660
3661         // Determine whether borders are required.
3662         for (col_type c = 0; c < ncols(); ++c) {
3663                 if (row < nrows() - 1) {
3664                         if (!bottomLine(cellIndex(row, c))
3665                             || !topLine(cellIndex(row + 1, c))) {
3666                                 borders.completeBorder = false;
3667                         }
3668                         if (!bottomLine(cellIndex(row, c))
3669                             && !topLine(cellIndex(row + 1, c))) {
3670                                 borders.completeBorderBelow = false;
3671                         }
3672                 } else if (row == nrows() - 1 && !bottomLine(cellIndex(row, c))) {
3673                         borders.completeBorderBelow = false;
3674                 }
3675
3676                 if ((row > 0 && !bottomLine(cellIndex(row - 1, c)) && !topLine(cellIndex(row, c))) ||
3677                     (row == 0 && !topLine(cellIndex(row, c)))) {
3678                         borders.completeBorderAbove = false;
3679                 }
3680         }
3681
3682         // Size of booktabs borders.
3683         if (use_booktabs) {
3684                 if (borders.completeBorderAbove)
3685                         borders.borderTopWidth = row == 0 ? 2 : 1.5;
3686                 if (borders.completeBorderBelow) {
3687                         borders.borderBottomWidth = row == nrows() - 1 ? 2 : 1.5;
3688                         borders.borderBottomWidthComplete = 3 * borders.borderBottomWidth;
3689                 }
3690         }
3691
3692         return borders;
3693 }
3694
3695
3696 std::vector<std::string> Tabular::computeCssStylePerCell(row_type row, col_type col, idx_type cell) const
3697 {
3698         std::vector<std::string> styles;
3699
3700         // Fixed width.
3701         Length const col_width = column_info[col].p_width;
3702         if (!col_width.zero())
3703                 styles.emplace_back("width: " + col_width.asHTMLString());
3704
3705         // Borders and booktabs.
3706         const Tabular::XmlRowWiseBorders borders = computeXmlBorders(row);
3707
3708         if (bottomLine(cell)) {
3709                 if (row < nrows() - 1 && borders.completeBorder)
3710                         styles.emplace_back("border-bottom: " + to_string(borders.borderBottomWidthComplete) + "px double");
3711                 else
3712                         styles.emplace_back("border-bottom: " + to_string(borders.borderBottomWidth) + "px solid");
3713         }
3714         if (rightLine(cell)) {
3715                 if (col < ncols() - 1 && leftLine(cell + 1))
3716                         styles.emplace_back("border-right: 3px double");
3717                 else
3718                         styles.emplace_back("border-right: 1px solid");
3719         }
3720         if (leftLine(cell))
3721                 styles.emplace_back("border-left: 1px solid");
3722         if (topLine(cell))
3723                 styles.emplace_back("border-top: " + to_string(borders.borderTopWidth) + "px solid");
3724
3725         return styles;
3726 }
3727
3728
3729 docstring Tabular::xmlRow(XMLStream & xs, const row_type row, OutputParams const & runparams,
3730         const bool header, const bool is_xhtml, BufferParams::TableOutput docbook_table_output) const
3731 {
3732         docstring ret;
3733         const bool is_xhtml_table = is_xhtml || docbook_table_output == BufferParams::TableOutput::HTMLTable;
3734         const bool is_cals_table = !is_xhtml && docbook_table_output == BufferParams::TableOutput::CALSTable;
3735
3736         std::string const row_tag = is_xhtml_table ? "tr" : "row";
3737         std::string const cell_tag = is_xhtml_table ? (header ? "th" : "td") : "entry";
3738         Tabular::XmlRowWiseBorders const borders = computeXmlBorders(row);
3739         idx_type cell = getFirstCellInRow(row);
3740
3741         std::string row_attr;
3742         bool cals_row_has_rowsep = false; // TODO: is this required? Is it possible that only a/several cells request a row separator, but not the complete row?
3743         // CALS only: all cases where there should be a line *below* this row.
3744         if (is_cals_table && (row_info[row].bottom_space_default || bottomLine(cell))) {
3745                 if (borders.completeBorderBelow) {
3746                         row_attr = "rowsep='1'";
3747                         cals_row_has_rowsep = true;
3748                 }
3749         }
3750
3751         xs << xml::StartTag(row_tag, row_attr);
3752         xs << xml::CR();
3753         for (col_type c = 0; c < ncols(); ++c, ++cell) {
3754                 if (isPartOfMultiColumn(row, c) || isPartOfMultiRow(row, c))
3755                         continue;
3756
3757                 stringstream attr;
3758
3759                 if (is_xhtml_table) {
3760                         const std::vector<std::string> styles = computeCssStylePerCell(row, c, cell);
3761                         attr << "style='" ;
3762                 for (auto it = styles.begin(); it != styles.end(); ++it) {
3763                                 attr << *it;
3764                                 if (it != styles.end() - 1)
3765                                         attr << "; ";
3766                 }
3767                         attr << "' ";
3768                 }
3769
3770                 if (is_cals_table) {
3771                         if (!cals_row_has_rowsep && bottomLine(cell))
3772                                 attr << "rowsep='1' ";
3773                 }
3774
3775                 attr << getHAlignAsXmlAttribute(cell, false) << " " << getVAlignAsXmlAttribute(cell);
3776
3777                 if (is_xhtml_table) {
3778                         if (isMultiColumn(cell))
3779                                 attr << " colspan='" << columnSpan(cell) << "'";
3780                         else if (isMultiRow(cell))
3781                                 attr << " rowspan='" << rowSpan(cell) << "'";
3782                 } else if (is_cals_table) {
3783                         if (isMultiColumn(cell))
3784                                 attr << " namest='c" << c << " nameend='c" << (c + columnSpan(cell)) << "'";
3785                         else if (isMultiRow(cell))
3786                                 attr << " morerows='" << rowSpan(cell) << "'";
3787                         else
3788                                 attr << " colname='c" << (c + 1) << "'"; // CALS column numbering starts at 1.
3789                 }
3790
3791                 // Render the cell as either XHTML or DocBook.
3792                 xs << xml::StartTag(cell_tag, attr.str(), true);
3793                 if (is_xhtml) {
3794                         ret += cellInset(cell)->xhtml(xs, runparams);
3795                 } else {
3796                         // DocBook: no return value for this function.
3797                         OutputParams rp = runparams;
3798                         rp.docbook_in_par = false;
3799                         rp.docbook_force_pars = true;
3800                         cellInset(cell)->docbook(xs, rp);
3801                 }
3802                 xs << xml::EndTag(cell_tag);
3803                 xs << xml::CR();
3804         }
3805         xs << xml::EndTag(row_tag);
3806         xs << xml::CR();
3807
3808         return ret;
3809 }
3810
3811
3812 void Tabular::xmlHeader(XMLStream & xs, OutputParams const & runparams, const bool is_xhtml) const
3813 {
3814         // Output the header of the table. For both HTML and CALS, this is surrounded by a thead.
3815         bool const have_first_head = haveLTFirstHead(false);
3816         // if we have a first head, then we are going to ignore the
3817         // headers for the additional pages, since there aren't any
3818         // in HTML or DocBook.
3819         bool const have_head = !have_first_head && haveLTHead(false);
3820
3821         if (have_head || have_first_head) {
3822                 xs << xml::StartTag("thead") << xml::CR();
3823                 for (row_type r = 0; r < nrows(); ++r) {
3824                         if (((have_first_head && row_info[r].endfirsthead) ||
3825                              (have_head && row_info[r].endhead)) &&
3826                             !row_info[r].caption) {
3827                                 xmlRow(xs, r, runparams, true, is_xhtml, buffer().params().docbook_table_output);
3828                         }
3829                 }
3830                 xs << xml::EndTag("thead");
3831                 xs << xml::CR();
3832         }
3833 }
3834
3835
3836 void Tabular::xmlFooter(XMLStream & xs, OutputParams const & runparams, const bool is_xhtml) const
3837 {
3838         // Output the footer of the table. For both HTML and CALS, this is surrounded by a tfoot and output just after
3839         // the header (and before the body).
3840         bool const have_last_foot = haveLTLastFoot(false);
3841         bool const have_foot = !have_last_foot && haveLTFoot(false);
3842
3843         if (have_foot || have_last_foot) {
3844                 xs << xml::StartTag("tfoot") << xml::CR();
3845                 for (row_type r = 0; r < nrows(); ++r) {
3846                         if (((have_last_foot && row_info[r].endlastfoot) ||
3847                              (have_foot && row_info[r].endfoot)) &&
3848                             !row_info[r].caption) {
3849                                 xmlRow(xs, r, runparams, false, is_xhtml, buffer().params().docbook_table_output);
3850                         }
3851                 }
3852                 xs << xml::EndTag("tfoot");
3853                 xs << xml::CR();
3854         }
3855 }
3856
3857
3858 void Tabular::xmlBody(XMLStream & xs, OutputParams const & runparams, const bool is_xhtml) const
3859 {
3860         // Output the main part of the table. The tbody container is mandatory for CALS, but optional for HTML (only if
3861         // there is no header and no footer). It never hurts to have it, though.
3862         xs << xml::StartTag("tbody");
3863         xs << xml::CR();
3864         for (row_type r = 0; r < nrows(); ++r)
3865                 if (isValidRow(r))
3866                         xmlRow(xs, r, runparams, false, is_xhtml, buffer().params().docbook_table_output);
3867         xs << xml::EndTag("tbody");
3868         xs << xml::CR();
3869 }
3870
3871
3872 void Tabular::docbook(XMLStream & xs, OutputParams const & runparams) const
3873 {
3874         // Some tables are inline. Likely limitation: cannot output a table within a table; is that really a limitation?
3875         if (!runparams.docbook_in_table) { // Check on the *outer* set of parameters, so that the table can be closed
3876                 // properly at the end of this function.
3877                 xs << xml::StartTag("informaltable");
3878                 xs << xml::CR();
3879         }
3880
3881         // "Formal" tables have a title and use the tag <table>; the distinction with <informaltable> is done outside.
3882         // HTML has the caption first with titles forbidden, and CALS has a title first.
3883         if (haveLTCaption()) {
3884                 std::string caption_tag = ((buffer().params().docbook_table_output) == BufferParams::HTMLTable) ? "caption" : "title";
3885
3886                 xs << xml::StartTag(caption_tag);
3887                 for (row_type r = 0; r < nrows(); ++r)
3888                         if (row_info[r].caption)
3889                                 xmlRow(xs, r, runparams, false, false, buffer().params().docbook_table_output);
3890                 xs << xml::EndTag(caption_tag);
3891                 xs << xml::CR();
3892         }
3893
3894         // CALS header: describe all columns in this table. For names, take 'c' then the ID of the column.
3895         // Start at one, as is customary with CALS!
3896         if (buffer().params().docbook_table_output == BufferParams::CALSTable) {
3897                 for (col_type c = 0; c < ncols(); ++c) {
3898                         std::stringstream attr;
3899                         attr << "colnum='" << (c + 1) << "' ";
3900                         attr << "colname='c" << (c + 1) << "' ";
3901                         Length const cwidth = column_info[c].p_width;
3902                         if (!cwidth.zero())
3903                                 attr << "colwidth='" << cwidth.asHTMLString() << "' ";
3904                         attr << "rowheader='norowheader'"; // Last attribute, hence no space at the end.
3905
3906                         xs << xml::CompTag("colspec", attr.str());
3907                         xs << xml::CR();
3908                 }
3909         }
3910
3911         xmlHeader(xs, runparams, false);
3912         xmlFooter(xs, runparams, false);
3913         xmlBody(xs, runparams, false);
3914
3915         // If this method started the table tag, also make it close it.
3916         if (!runparams.docbook_in_table) {
3917                 xs << xml::EndTag("informaltable");
3918                 xs << xml::CR();
3919         }
3920 }
3921
3922
3923 docstring Tabular::xhtml(XMLStream & xs, OutputParams const & runparams) const
3924 {
3925         docstring ret;
3926
3927         if (is_long_tabular) {
3928                 // We'll wrap it in a div to deal with alignment.
3929                 string align;
3930                 switch (longtabular_alignment) {
3931                 case LYX_LONGTABULAR_ALIGN_LEFT:
3932                         align = "left";
3933                         break;
3934                 case LYX_LONGTABULAR_ALIGN_CENTER:
3935                         align = "center";
3936                         break;
3937                 case LYX_LONGTABULAR_ALIGN_RIGHT:
3938                         align = "right";
3939                         break;
3940                 }
3941                 xs << xml::StartTag("div", "class='longtable' style='text-align: " + align + ";'");
3942                 xs << xml::CR();
3943
3944                 // The caption flag is output before header/footer.
3945                 if (haveLTCaption()) {
3946                         xs << xml::StartTag("div", "class='longtable-caption' style='text-align: " + align + ";'");
3947                         xs << xml::CR();
3948                         for (row_type r = 0; r < nrows(); ++r)
3949                                 if (row_info[r].caption)
3950                                         ret += xmlRow(xs, r, runparams, false, true);
3951                         xs << xml::EndTag("div");
3952                         xs << xml::CR();
3953                 }
3954         }
3955
3956         xs << xml::StartTag("table");
3957         xs << xml::CR();
3958
3959         xmlHeader(xs, runparams, true);
3960         xmlFooter(xs, runparams, true);
3961         xmlBody(xs, runparams, true);
3962
3963         xs << xml::EndTag("table");
3964         xs << xml::CR();
3965         if (is_long_tabular) {
3966                 xs << xml::EndTag("div");
3967                 xs << xml::CR();
3968         }
3969         return ret;
3970 }
3971
3972
3973 bool Tabular::plaintextTopHLine(odocstringstream & os, row_type row,
3974                                    vector<unsigned int> const & clen) const
3975 {
3976         idx_type const fcell = getFirstCellInRow(row);
3977         idx_type const n = numberOfCellsInRow(row) + fcell;
3978         idx_type tmp = 0;
3979
3980         for (idx_type i = fcell; i < n; ++i) {
3981                 if (topLine(i)) {
3982                         ++tmp;
3983                         break;
3984                 }
3985         }
3986         if (!tmp)
3987                 return false;
3988
3989         char_type ch;
3990         for (idx_type i = fcell; i < n; ++i) {
3991                 if (topLine(i)) {
3992                         if (leftLine(i))
3993                                 os << "+-";
3994                         else
3995                                 os << "--";
3996                         ch = '-';
3997                 } else {
3998                         os << "  ";
3999                         ch = ' ';
4000                 }
4001                 col_type column = cellColumn(i);
4002                 int len = clen[column];
4003                 while (column < ncols() - 1
4004                        && isPartOfMultiColumn(row, ++column))
4005                         len += clen[column] + 4;
4006                 os << docstring(len, ch);
4007                 if (topLine(i)) {
4008                         if (rightLine(i))
4009                                 os << "-+";
4010                         else
4011                                 os << "--";
4012                 } else {
4013                         os << "  ";
4014                 }
4015         }
4016         os << endl;
4017         return true;
4018 }
4019
4020
4021 bool Tabular::plaintextBottomHLine(odocstringstream & os, row_type row,
4022                                       vector<unsigned int> const & clen) const
4023 {
4024         idx_type const fcell = getFirstCellInRow(row);
4025         idx_type const n = numberOfCellsInRow(row) + fcell;
4026         idx_type tmp = 0;
4027
4028         for (idx_type i = fcell; i < n; ++i) {
4029                 if (bottomLine(i)) {
4030                         ++tmp;
4031                         break;
4032                 }
4033         }
4034         if (!tmp)
4035                 return false;
4036
4037         char_type ch;
4038         for (idx_type i = fcell; i < n; ++i) {
4039                 if (bottomLine(i)) {
4040                         if (leftLine(i))
4041                                 os << "+-";
4042                         else
4043                                 os << "--";
4044                         ch = '-';
4045                 } else {
4046                         os << "  ";
4047                         ch = ' ';
4048                 }
4049                 col_type column = cellColumn(i);
4050                 int len = clen[column];
4051                 while (column < ncols() - 1 && isPartOfMultiColumn(row, ++column))
4052                         len += clen[column] + 4;
4053                 os << docstring(len, ch);
4054                 if (bottomLine(i)) {
4055                         if (rightLine(i))
4056                                 os << "-+";
4057                         else
4058                                 os << "--";
4059                 } else {
4060                         os << "  ";
4061                 }
4062         }
4063         os << endl;
4064         return true;
4065 }
4066
4067
4068 void Tabular::plaintextPrintCell(odocstringstream & os,
4069                                OutputParams const & runparams,
4070                                idx_type cell, row_type row, col_type column,
4071                                vector<unsigned int> const & clen,
4072                                bool onlydata, size_t max_length) const
4073 {
4074         odocstringstream sstr;
4075         cellInset(cell)->plaintext(sstr, runparams, max_length);
4076
4077         if (onlydata) {
4078                 os << sstr.str();
4079                 return;
4080         }
4081
4082         if (leftLine(cell))
4083                 os << "| ";
4084         else
4085                 os << "  ";
4086
4087         unsigned int len1 = sstr.str().length();
4088         unsigned int len2 = clen[column];
4089         while (column < ncols() - 1 && isPartOfMultiColumn(row, ++column))
4090                 len2 += clen[column] + 4;
4091         len2 -= len1;
4092
4093         switch (getAlignment(cell)) {
4094         default:
4095         case LYX_ALIGN_LEFT:
4096                 len1 = 0;
4097                 break;
4098         case LYX_ALIGN_RIGHT:
4099                 len1 = len2;
4100                 len2 = 0;
4101                 break;
4102         case LYX_ALIGN_CENTER:
4103                 len1 = len2 / 2;
4104                 len2 -= len1;
4105                 break;
4106         }
4107
4108         os << docstring(len1, ' ') << sstr.str()
4109            << docstring(len2, ' ');
4110
4111         if (rightLine(cell))
4112                 os << " |";
4113         else
4114                 os << "  ";
4115 }
4116
4117
4118 void Tabular::plaintext(odocstringstream & os,
4119                            OutputParams const & runparams, int const depth,
4120                            bool onlydata, char_type delim, size_t max_length) const
4121 {
4122         // first calculate the width of the single columns
4123         vector<unsigned int> clen(ncols());
4124
4125         if (!onlydata) {
4126                 // first all non multicolumn cells!
4127                 for (col_type c = 0; c < ncols(); ++c) {
4128                         clen[c] = 0;
4129                         for (row_type r = 0; r < nrows(); ++r) {
4130                                 idx_type cell = cellIndex(r, c);
4131                                 if (isMultiColumn(cell))
4132                                         continue;
4133                                 odocstringstream sstr;
4134                                 cellInset(cell)->plaintext(sstr, runparams, max_length);
4135                                 if (clen[c] < sstr.str().length())
4136                                         clen[c] = sstr.str().length();
4137                         }
4138                 }
4139                 // then all multicolumn cells!
4140                 for (col_type c = 0; c < ncols(); ++c) {
4141                         for (row_type r = 0; r < nrows(); ++r) {
4142                                 idx_type cell = cellIndex(r, c);
4143                                 if (cell_info[r][c].multicolumn != CELL_BEGIN_OF_MULTICOLUMN)
4144                                         continue;
4145                                 odocstringstream sstr;
4146                                 cellInset(cell)->plaintext(sstr, runparams, max_length);
4147                                 int len = int(sstr.str().length());
4148                                 idx_type const n = columnSpan(cell);
4149                                 for (col_type k = c; len > 0 && k < c + n - 1; ++k)
4150                                         len -= clen[k];
4151                                 if (len > int(clen[c + n - 1]))
4152                                         clen[c + n - 1] = len;
4153                         }
4154                 }
4155         }
4156         idx_type cell = 0;
4157         for (row_type r = 0; r < nrows(); ++r) {
4158                 if (!onlydata && plaintextTopHLine(os, r, clen))
4159                         os << docstring(depth * 2, ' ');
4160                 for (col_type c = 0; c < ncols(); ++c) {
4161                         if (isPartOfMultiColumn(r, c) || isPartOfMultiRow(r,c))
4162                                 continue;
4163                         if (onlydata && c > 0)
4164                                 // we don't use operator<< for single UCS4 character.
4165                                 // see explanation in docstream.h
4166                                 os.put(delim);
4167                         plaintextPrintCell(os, runparams, cell, r, c, clen, onlydata, max_length);
4168                         ++cell;
4169                         if (os.str().size() > max_length)
4170                                 break;
4171                 }
4172                 os << endl;
4173                 if (!onlydata) {
4174                         os << docstring(depth * 2, ' ');
4175                         if (plaintextBottomHLine(os, r, clen))
4176                                 os << docstring(depth * 2, ' ');
4177                 }
4178                 if (os.str().size() > max_length)
4179                         break;
4180         }
4181 }
4182
4183
4184 shared_ptr<InsetTableCell> Tabular::cellInset(idx_type cell)
4185 {
4186         return cell_info[cellRow(cell)][cellColumn(cell)].inset;
4187 }
4188
4189
4190 shared_ptr<InsetTableCell> Tabular::cellInset(row_type row, col_type column)
4191 {
4192         return cell_info[row][column].inset;
4193 }
4194
4195
4196 InsetTableCell const * Tabular::cellInset(idx_type cell) const
4197 {
4198         return cell_info[cellRow(cell)][cellColumn(cell)].inset.get();
4199 }
4200
4201
4202 void Tabular::setCellInset(row_type row, col_type column,
4203                            shared_ptr<InsetTableCell> ins)
4204 {
4205         CellData & cd = cell_info[row][column];
4206         cd.inset = ins;
4207 }
4208
4209
4210 void Tabular::validate(LaTeXFeatures & features) const
4211 {
4212         features.require("NeedTabularnewline");
4213         if (use_booktabs)
4214                 features.require("booktabs");
4215         if (is_long_tabular && !hasVarwidthColumn()) {
4216                 if (tabular_width.zero())
4217                         features.require("longtable");
4218                 else
4219                         features.require("xltabular");
4220         }
4221         if (rotate && is_long_tabular)
4222                 features.require("lscape");
4223         if (needRotating())
4224                 features.require("rotating");
4225         if (hasVarwidthColumn()) {
4226                 if (is_long_tabular)
4227                         features.require("xltabular");
4228                 else
4229                         features.require("tabularx");
4230         }
4231         for (idx_type cell = 0; cell < numberofcells; ++cell) {
4232                 if (isMultiRow(cell))
4233                         features.require("multirow");
4234                 if (getUsebox(cell) == BOX_VARWIDTH) {
4235                         features.require("varwidth");
4236                         features.require("cellvarwidth");
4237                 }
4238                 if (getVAlignment(cell) != LYX_VALIGN_TOP
4239                     || !getPWidth(cell).zero()
4240                     || isVTypeColumn(cellColumn(cell)))
4241                         features.require("array");
4242                 // Tell footnote that we need a savenote
4243                 // environment in non-long tables or
4244                 // longtable headers/footers
4245                 else if (!is_long_tabular && !features.inFloat())
4246                         features.saveNoteEnv("tabular");
4247                 else if (!isValidRow(cellRow(cell)))
4248                         features.saveNoteEnv("longtable");
4249
4250                 cellInset(cell)->validate(features);
4251                 features.saveNoteEnv(string());
4252         }
4253 }
4254
4255
4256 Tabular::BoxType Tabular::useBox(idx_type cell) const
4257 {
4258         ParagraphList const & parlist = cellInset(cell)->paragraphs();
4259         if (parlist.size() > 1)
4260                 return BOX_VARWIDTH;
4261
4262         ParagraphList::const_iterator cit = parlist.begin();
4263         ParagraphList::const_iterator end = parlist.end();
4264
4265         for (; cit != end; ++cit)
4266                 for (int i = 0; i < cit->size(); ++i)
4267                         if (cit->isNewline(i) || cit->layout().isEnvironment())
4268                                 return BOX_VARWIDTH;
4269
4270         return BOX_NONE;
4271 }
4272
4273
4274 /////////////////////////////////////////////////////////////////////
4275 //
4276 // InsetTableCell
4277 //
4278 /////////////////////////////////////////////////////////////////////
4279
4280 InsetTableCell::InsetTableCell(Buffer * buf)
4281         : InsetText(buf, InsetText::PlainLayout), isFixedWidth(false), isVarwidth(false),
4282           isMultiColumn(false), isMultiRow(false), contentAlign(LYX_ALIGN_CENTER)
4283 {}
4284
4285 bool InsetTableCell::allowParagraphCustomization(idx_type) const
4286 {
4287         return isFixedWidth;
4288 }
4289
4290
4291 bool InsetTableCell::forceLocalFontSwitch() const
4292 {
4293         return true;
4294 }
4295
4296
4297 bool InsetTableCell::getStatus(Cursor & cur, FuncRequest const & cmd,
4298         FuncStatus & status) const
4299 {
4300         bool enabled = true;
4301         switch (cmd.action()) {
4302         case LFUN_INSET_SPLIT:
4303         case LFUN_INSET_DISSOLVE:
4304                 enabled = false;
4305                 break;
4306         case LFUN_MATH_DISPLAY:
4307                 if (!hasFixedWidth()) {
4308                         enabled = false;
4309                         break;
4310                 } //fall-through
4311         default:
4312                 return InsetText::getStatus(cur, cmd, status);
4313         }
4314         status.setEnabled(enabled);
4315         return true;
4316 }
4317
4318 docstring InsetTableCell::asString(bool intoInsets)
4319 {
4320         docstring retval;
4321         if (paragraphs().empty())
4322                 return retval;
4323         ParagraphList::const_iterator it = paragraphs().begin();
4324         ParagraphList::const_iterator en = paragraphs().end();
4325         bool first = true;
4326         for (; it != en; ++it) {
4327                 if (!first)
4328                         retval += "\n";
4329                 else
4330                         first = false;
4331                 retval += it->asString(intoInsets ? AS_STR_INSETS : AS_STR_NONE);
4332         }
4333         return retval;
4334 }
4335
4336
4337 void InsetTableCell::addToToc(DocIterator const & di, bool output_active,
4338                                                           UpdateType utype, TocBackend & backend) const
4339 {
4340         InsetText::iterateForToc(di, output_active, utype, backend);
4341 }
4342
4343
4344 docstring InsetTableCell::xhtml(XMLStream & xs, OutputParams const & rp) const
4345 {
4346         if (!isFixedWidth)
4347                 return InsetText::insetAsXHTML(xs, rp, InsetText::JustText);
4348         return InsetText::xhtml(xs, rp);
4349 }
4350
4351
4352 void InsetTableCell::docbook(XMLStream & xs, OutputParams const & runparams) const
4353 {
4354         InsetText::docbook(xs, runparams);
4355 }
4356
4357
4358 void InsetTableCell::metrics(MetricsInfo & mi, Dimension & dim) const
4359 {
4360         TextMetrics & tm = mi.base.bv->textMetrics(&text());
4361         int const horiz_offset = leftOffset(mi.base.bv) + rightOffset(mi.base.bv);
4362
4363         // Hand font through to contained lyxtext:
4364         tm.font_.fontInfo() = mi.base.font;
4365         mi.base.textwidth -= horiz_offset;
4366
4367         // This can happen when a layout has a left and right margin,
4368         // and the view is made very narrow. We can't do better than
4369         // to draw it partly out of view (bug 5890).
4370         if (mi.base.textwidth < 1)
4371                 mi.base.textwidth = 1;
4372
4373         // We tell metrics here not to expand on multiple pars
4374         // This is the difference to InsetText::Metrics
4375         Changer changetight = changeVar(mi.tight_insets, true);
4376         if (hasFixedWidth())
4377                 tm.metrics(mi, dim, mi.base.textwidth);
4378         else
4379                 tm.metrics(mi, dim, 0);
4380         mi.base.textwidth += horiz_offset;
4381         dim.asc += topOffset(mi.base.bv);
4382         dim.des += bottomOffset(mi.base.bv);
4383         dim.wid += horiz_offset;
4384 }
4385
4386
4387 /////////////////////////////////////////////////////////////////////
4388 //
4389 // InsetTabular
4390 //
4391 /////////////////////////////////////////////////////////////////////
4392
4393 InsetTabular::InsetTabular(Buffer * buf, row_type rows,
4394                            col_type columns)
4395         : Inset(buf), tabular(buf, max(rows, row_type(1)), max(columns, col_type(1))),
4396           rowselect_(false), colselect_(false)
4397 {
4398 }
4399
4400
4401 InsetTabular::InsetTabular(InsetTabular const & tab)
4402         : Inset(tab), tabular(tab.tabular),
4403           rowselect_(false), colselect_(false)
4404 {
4405 }
4406
4407
4408 InsetTabular::~InsetTabular()
4409 {
4410         hideDialogs("tabular", this);
4411 }
4412
4413
4414 void InsetTabular::setBuffer(Buffer & buf)
4415 {
4416         tabular.setBuffer(buf);
4417         Inset::setBuffer(buf);
4418 }
4419
4420
4421 bool InsetTabular::insetAllowed(InsetCode code) const
4422 {
4423         switch (code) {
4424         case FLOAT_CODE:
4425         case MARGIN_CODE:
4426         case MATHMACRO_CODE:
4427         case WRAP_CODE:
4428                 return false;
4429
4430         case CAPTION_CODE:
4431                 return tabular.is_long_tabular;
4432
4433         default:
4434                 return true;
4435         }
4436 }
4437
4438
4439 bool InsetTabular::allowMultiPar() const
4440 {
4441         for (col_type c = 0; c < tabular.ncols(); ++c) {
4442                 for (row_type r = 0; r < tabular.nrows(); ++r) {
4443                         if (tabular.cellInset(r,c)->allowMultiPar())
4444                                 return true;
4445                 }
4446         }
4447         return false;
4448 }
4449
4450
4451 bool InsetTabular::allowsCaptionVariation(std::string const & newtype) const
4452 {
4453         return tabular.is_long_tabular &&
4454                 (newtype == "Standard" || newtype == "Unnumbered");
4455 }
4456
4457
4458 void InsetTabular::write(ostream & os) const
4459 {
4460         os << "Tabular" << endl;
4461         tabular.write(os);
4462 }
4463
4464
4465 string InsetTabular::contextMenu(BufferView const &, int, int) const
4466 {
4467         // FIXME: depending on the selection state,
4468         // we could offer a different menu.
4469         return cell(0)->contextMenuName() + ";" + contextMenuName();
4470 }
4471
4472
4473 string InsetTabular::contextMenuName() const
4474 {
4475         return "context-tabular";
4476 }
4477
4478
4479 void InsetTabular::read(Lexer & lex)
4480 {
4481         //bool const old_format = (lex.getString() == "\\LyXTable");
4482
4483         tabular.read(lex);
4484
4485         //if (old_format)
4486         //      return;
4487
4488         lex.next();
4489         string token = lex.getString();
4490         while (lex && token != "\\end_inset") {
4491                 lex.next();
4492                 token = lex.getString();
4493         }
4494         if (!lex)
4495                 lex.printError("Missing \\end_inset at this point. ");
4496 }
4497
4498
4499 int InsetTabular::rowFromY(Cursor & cur, int y) const
4500 {
4501         // top y coordinate of tabular
4502         int h = yo(cur.bv()) - tabular.rowAscent(0) + tabular.offsetVAlignment();
4503         row_type r = 0;
4504         for (; r < tabular.nrows() && y > h; ++r)
4505                 h += tabular.rowAscent(r) + tabular.rowDescent(r)
4506                         + tabular.interRowSpace(r);
4507
4508         return r - 1;
4509 }
4510
4511
4512 int InsetTabular::columnFromX(Cursor & cur, int x) const
4513 {
4514         // left x coordinate of tabular
4515         int w = xo(cur.bv()) + ADD_TO_TABULAR_WIDTH;
4516         col_type c = 0;
4517         for (; c < tabular.ncols() && x > w; ++c)
4518                 w += tabular.cellWidth(c);
4519         return c - 1;
4520 }
4521
4522
4523 void InsetTabular::metrics(MetricsInfo & mi, Dimension & dim) const
4524 {
4525         //lyxerr << "InsetTabular::metrics: " << mi.base.bv << " width: " <<
4526         //      mi.base.textwidth << "\n";
4527         LBUFERR(mi.base.bv);
4528
4529         for (row_type r = 0; r < tabular.nrows(); ++r) {
4530                 int maxasc = 0;
4531                 int maxdes = 0;
4532                 for (col_type c = 0; c < tabular.ncols(); ++c) {
4533                         if (tabular.isPartOfMultiColumn(r, c)
4534                                 || tabular.isPartOfMultiRow(r, c))
4535                                 // multicolumn or multirow cell, but not first one
4536                                 continue;
4537                         idx_type const cell = tabular.cellIndex(r, c);
4538                         Dimension dim0;
4539                         MetricsInfo m = mi;
4540                         Length const p_width = tabular.getPWidth(cell);
4541                         if (!p_width.zero())
4542                                 m.base.textwidth = mi.base.inPixels(p_width);
4543                         else if (tabular.column_info[c].varwidth)
4544                                 m.base.textwidth = tabular.column_info[c].width;
4545                         tabular.cellInset(cell)->metrics(m, dim0);
4546                         if (!p_width.zero() || tabular.column_info[c].varwidth)
4547                                 dim0.wid = m.base.textwidth;
4548                         tabular.cellInfo(cell).width = dim0.wid + 2 * WIDTH_OF_LINE
4549                                 + tabular.interColumnSpace(cell);
4550
4551                         // FIXME(?): do we need a second metrics call?
4552                         TextMetrics const & tm =
4553                                 mi.base.bv->textMetrics(tabular.cellInset(cell)->getText(0));
4554
4555                         // determine horizontal offset because of decimal align (if necessary)
4556                         int decimal_width = 0;
4557                         if (tabular.getAlignment(cell) == LYX_ALIGN_DECIMAL) {
4558                                 InsetTableCell tail = *tabular.cellInset(cell);
4559                                 tail.setBuffer(tabular.buffer());
4560                                 // we need to set macrocontext position everywhere
4561                                 // otherwise we crash with nested insets (e.g. footnotes)
4562                                 // after decimal point
4563                                 DocIterator dit = tabular.cellInset(cell)->getText(0)->macrocontextPosition();
4564                                 dit.pop_back();
4565                                 dit.push_back(CursorSlice(tail));
4566                                 tail.setMacrocontextPositionRecursive(dit);
4567
4568                                 // remove text leading decimal point
4569                                 docstring const align_d = tabular.column_info[c].decimal_point;
4570                                 dit = separatorPos(&tail, align_d);
4571
4572                                 pos_type const psize = tail.paragraphs().front().size();
4573                                 if (dit) {
4574                                         tail.paragraphs().front().eraseChars(0,
4575                                                 dit.pos() < psize ? dit.pos() + 1 : psize, false);
4576                                         Dimension dim1;
4577                                         tail.metrics(m, dim1);
4578                                         decimal_width = dim1.width();
4579                                 }
4580                         }
4581                         tabular.cell_info[r][c].decimal_hoffset = tm.width() - decimal_width;
4582                         tabular.cell_info[r][c].decimal_width = decimal_width;
4583
4584                         // with LYX_VALIGN_BOTTOM the descent is relative to the last
4585                         // row of the last par (note that the par might have multile rows!)
4586                         // = descent of text in last row + bottomOffset:
4587                         int const lastpardes = tm.last().second->rows().back().descent()
4588                                 + bottomOffset(mi.base.bv);
4589                         int offset = 0;
4590                         switch (tabular.getVAlignment(cell)) {
4591                                 case Tabular::LYX_VALIGN_TOP:
4592                                         break;
4593                                 case Tabular::LYX_VALIGN_MIDDLE:
4594                                         offset = -(dim0.des - lastpardes)/2;
4595                                         break;
4596                                 case Tabular::LYX_VALIGN_BOTTOM:
4597                                         offset = -(dim0.des - lastpardes);
4598                                         break;
4599                         }
4600                         tabular.cell_info[r][c].voffset = offset;
4601                         maxasc = max(maxasc, dim0.asc - offset);
4602                         maxdes = max(maxdes, dim0.des + offset);
4603                 }
4604                 int const top_space = tabular.row_info[r].top_space_default ?
4605                     default_line_space :
4606                     mi.base.inPixels(tabular.row_info[r].top_space);
4607                 tabular.setRowAscent(r, maxasc + ADD_TO_HEIGHT + top_space);
4608                 int const bottom_space = tabular.row_info[r].bottom_space_default ?
4609                     default_line_space :
4610                     mi.base.inPixels(tabular.row_info[r].bottom_space);
4611                 tabular.setRowDescent(r, maxdes + ADD_TO_HEIGHT + bottom_space);
4612         }
4613
4614         // We need to recalculate the metrics after column width calculation
4615         // with xtabular (possibly multiple times, so the call is recursive).
4616         if (tabular.updateColumnWidths(mi) && tabular.hasVarwidthColumn())
4617                 metrics(mi, dim);
4618         dim.asc = tabular.rowAscent(0) - tabular.offsetVAlignment();
4619         dim.des = tabular.height() - dim.asc;
4620         dim.wid = tabular.width() + 2 * ADD_TO_TABULAR_WIDTH;
4621 }
4622
4623
4624 bool InsetTabular::isCellSelected(Cursor & cur, row_type row, col_type col) const
4625 {
4626         if (&cur.inset() == this && cur.selection()) {
4627                 if (cur.selIsMultiCell()) {
4628                         row_type rs, re;
4629                         col_type cs, ce;
4630                         getSelection(cur, rs, re, cs, ce);
4631
4632                         idx_type const cell = tabular.cellIndex(row, col);
4633                         col_type const cspan = tabular.columnSpan(cell);
4634                         row_type const rspan = tabular.rowSpan(cell);
4635                         if (col + cspan - 1 >= cs && col <= ce
4636                                 && row + rspan - 1 >= rs && row <= re)
4637                                 return true;
4638                 } else
4639                         if (col == tabular.cellColumn(cur.idx())
4640                                 && row == tabular.cellRow(cur.idx())) {
4641                         CursorSlice const & beg = cur.selBegin();
4642                         CursorSlice const & end = cur.selEnd();
4643
4644                         if ((end.lastpos() > 0 || end.lastpit() > 0)
4645                                   && end.pos() == end.lastpos() && beg.pos() == 0
4646                                   && end.pit() == end.lastpit() && beg.pit() == 0)
4647                                 return true;
4648                 }
4649         }
4650         return false;
4651 }
4652
4653
4654 void InsetTabular::draw(PainterInfo & pi, int x, int y) const
4655 {
4656         x += ADD_TO_TABULAR_WIDTH;
4657
4658         BufferView * bv = pi.base.bv;
4659         Cursor & cur = pi.base.bv->cursor();
4660
4661         // FIXME: As the full background is painted in drawBackground(),
4662         // we have no choice but to do a full repaint for the Text cells.
4663         pi.full_repaint = true;
4664
4665         bool const original_selection_state = pi.selected;
4666
4667         idx_type idx = 0;
4668
4669         // Save tabular change status
4670         Change tab_change = pi.change;
4671
4672         int yy = y + tabular.offsetVAlignment();
4673         for (row_type r = 0; r < tabular.nrows(); ++r) {
4674                 int nx = x;
4675                 for (col_type c = 0; c < tabular.ncols(); ++c) {
4676                         if (tabular.isPartOfMultiColumn(r, c))
4677                                 continue;
4678
4679                         idx = tabular.cellIndex(r, c);
4680
4681                         if (tabular.isPartOfMultiRow(r, c)) {
4682                                 nx += tabular.cellWidth(idx);
4683                                 continue;
4684                         }
4685
4686                         pi.selected |= isCellSelected(cur, r, c);
4687
4688                         // Mark deleted rows/columns
4689                         if (tabular.column_info[c].change.changed())
4690                                 pi.change = tabular.column_info[c].change;
4691                         else if (tabular.row_info[r].change.changed())
4692                                 pi.change = tabular.row_info[r].change;
4693                         else
4694                                 pi.change = tab_change;
4695
4696                         int const cx = nx + tabular.textHOffset(idx);
4697                         int const cy = yy + tabular.textVOffset(idx);
4698                         // Cache the Inset position.
4699                         bv->coordCache().insets().add(cell(idx).get(), cx, cy);
4700                         cell(idx)->draw(pi, cx, cy);
4701                         drawCellLines(pi, nx, yy, r, idx);
4702                         nx += tabular.cellWidth(idx);
4703                         pi.selected = original_selection_state;
4704                 }
4705
4706                 if (r + 1 < tabular.nrows())
4707                         yy += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
4708                                 + tabular.interRowSpace(r + 1);
4709         }
4710 }
4711
4712
4713 void InsetTabular::drawBackground(PainterInfo & pi, int x, int y) const
4714 {
4715         x += ADD_TO_TABULAR_WIDTH;
4716         y += tabular.offsetVAlignment() - tabular.rowAscent(0);
4717         pi.pain.fillRectangle(x, y, tabular.width(), tabular.height(),
4718                 pi.backgroundColor(this));
4719 }
4720
4721
4722 void InsetTabular::drawSelection(PainterInfo & pi, int x, int y) const
4723 {
4724         Cursor & cur = pi.base.bv->cursor();
4725
4726         x += ADD_TO_TABULAR_WIDTH;
4727
4728         if (!cur.selection())
4729                 return;
4730         if (&cur.inset() != this)
4731                 return;
4732
4733         //resetPos(cur);
4734
4735         bool const full_cell_selected = isCellSelected(cur,
4736                 tabular.cellRow(cur.idx()), tabular.cellColumn(cur.idx()));
4737
4738         if (cur.selIsMultiCell() || full_cell_selected) {
4739                 for (row_type r = 0; r < tabular.nrows(); ++r) {
4740                         int xx = x;
4741                         for (col_type c = 0; c < tabular.ncols(); ++c) {
4742                                 if (tabular.isPartOfMultiColumn(r, c))
4743                                         continue;
4744
4745                                 idx_type const cell = tabular.cellIndex(r, c);
4746
4747                                 if (tabular.isPartOfMultiRow(r, c)) {
4748                                         xx += tabular.cellWidth(cell);
4749                                         continue;
4750                                 }
4751                                 int const w = tabular.cellWidth(cell);
4752                                 int const h = tabular.cellHeight(cell);
4753                                 int const yy = y - tabular.rowAscent(r) + tabular.offsetVAlignment();
4754                                 if (isCellSelected(cur, r, c))
4755                                         pi.pain.fillRectangle(xx, yy, w, h, Color_selection);
4756                                 xx += w;
4757                         }
4758                         if (r + 1 < tabular.nrows())
4759                                 y += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
4760                                      + tabular.interRowSpace(r + 1);
4761                 }
4762
4763         }
4764         // FIXME: This code has no effect because InsetTableCell does not handle
4765         // drawSelection other than the trivial implementation in Inset.
4766         //else {
4767         //      x += cellXPos(cur.idx());
4768         //      x += tabular.textHOffset(cur.idx());
4769         //      cell(cur.idx())->drawSelection(pi, x, 0 /* ignored */);
4770         //}
4771 }
4772
4773
4774 namespace {
4775
4776 void tabline(PainterInfo const & pi, int x1, int y1, int x2, int y2, int lt, int rt,
4777              Color const incol, bool drawline, bool heavy = false)
4778 {
4779         Color const col = drawline ? incol : Color_tabularonoffline;
4780         if (drawline && lt > 0)
4781                 pi.pain.line(x1, y1, x1 + lt, y2, pi.textColor(Color_tabularonoffline),
4782                                          Painter::line_onoffdash,
4783                                          Painter::thin_line);
4784         pi.pain.line(x1 + lt, y1, x2 - rt, y2, pi.textColor(col),
4785                                  drawline ? Painter::line_solid : Painter::line_onoffdash,
4786                                  (heavy ? 2 : 1) * Painter::thin_line);
4787         if (drawline && rt > 0)
4788                 pi.pain.line(x2 - rt, y1, x2, y2, pi.textColor(Color_tabularonoffline),
4789                                          Painter::line_onoffdash,
4790                                          Painter::thin_line);
4791 }
4792
4793 }
4794
4795
4796 void InsetTabular::drawCellLines(PainterInfo & pi, int x, int y,
4797                                  row_type row, idx_type cell) const
4798 {
4799         y -= tabular.rowAscent(row);
4800         int const w = tabular.cellWidth(cell);
4801         int const h = tabular.cellHeight(cell);
4802         int lt = 0;
4803         int rt = 0;
4804
4805         col_type const col = tabular.cellColumn(cell);
4806
4807         // Colour the frame if rows/columns are added or deleted
4808         Color colour = Color_tabularline;
4809         if (tabular.column_info[col].change.changed()
4810             || tabular.row_info[row].change.changed())
4811                 colour = tabular.cellInset(cell)->paragraphs().front().lookupChange(0).color();
4812
4813         // Top
4814         bool drawline = tabular.topLine(cell)
4815                 || (row > 0 && tabular.bottomLine(tabular.cellAbove(cell)));
4816         bool heavy = tabular.use_booktabs
4817                         && (row == 0 || (tabular.is_long_tabular && row == 1 && tabular.ltCaption(0)))
4818                         && tabular.rowTopLine(row);
4819         if (tabular.topLineTrim(cell).first
4820             || (row > 0 && tabular.bottomLineTrim(tabular.cellIndex(row - 1, col)).first))
4821                 lt = 10;
4822         if (tabular.topLineTrim(cell).second
4823             || (row > 0 && tabular.bottomLineTrim(tabular.cellIndex(row - 1, col)).second))
4824                 rt = 10;
4825         tabline(pi, x, y, x + w, y, lt, rt, colour, drawline, heavy);
4826
4827         // Bottom
4828         lt = rt = 0;
4829         drawline = tabular.bottomLine(cell);
4830         row_type const lastrow = tabular.nrows() - 1;
4831         // Consider multi-rows
4832         row_type r = row;
4833         while (r < lastrow && tabular.isMultiRow(tabular.cellIndex(r, col))
4834                 && tabular.isPartOfMultiRow(r + 1, col))
4835                 r++;
4836         heavy = tabular.use_booktabs
4837                 && ((row == lastrow && tabular.rowBottomLine(row))
4838                     || (r == lastrow && tabular.rowBottomLine(r)));
4839         if (tabular.bottomLineTrim(cell).first)
4840                 lt = 10;
4841         if (tabular.bottomLineTrim(cell).second)
4842                 rt = 10;
4843         tabline(pi, x, y + h, x + w, y + h, lt, rt, colour, drawline, heavy);
4844
4845         // Left
4846         drawline = tabular.leftLine(cell)
4847                 || (col > 0 && tabular.rightLine(tabular.cellIndex(row, col - 1)));
4848         tabline(pi, x, y, x, y + h, 0, 0, colour, drawline);
4849
4850         // Right
4851         x -= tabular.interColumnSpace(cell);
4852         col_type next_cell_col = col + 1;
4853         while (next_cell_col < tabular.ncols()
4854                 && tabular.isMultiColumn(tabular.cellIndex(row, next_cell_col)))
4855                 next_cell_col++;
4856         drawline = tabular.rightLine(cell)
4857                    || (next_cell_col < tabular.ncols()
4858                        && tabular.leftLine(tabular.cellIndex(row, next_cell_col)));
4859         tabline(pi, x + w, y, x + w, y + h, 0, 0, colour, drawline);
4860 }
4861
4862
4863 void InsetTabular::edit(Cursor & cur, bool front, EntryDirection)
4864 {
4865         //lyxerr << "InsetTabular::edit: " << this << endl;
4866         cur.finishUndo();
4867         cur.push(*this);
4868         if (front) {
4869                 if (isRightToLeft(cur))
4870                         cur.idx() = tabular.getLastCellInRow(0);
4871                 else
4872                         cur.idx() = 0;
4873                 cur.pit() = 0;
4874                 cur.pos() = 0;
4875         } else {
4876                 if (isRightToLeft(cur))
4877                         cur.idx() = tabular.getFirstCellInRow(tabular.nrows() - 1);
4878                 else
4879                         cur.idx() = tabular.numberofcells - 1;
4880                 cur.pit() = 0;
4881                 cur.pos() = cur.lastpos(); // FIXME crude guess
4882         }
4883         cur.setCurrentFont();
4884         // FIXME: this accesses the position cache before it is initialized
4885         //cur.bv().fitCursor();
4886 }
4887
4888
4889 void InsetTabular::updateBuffer(ParIterator const & it, UpdateType utype, bool const /*deleted*/)
4890 {
4891         // In a longtable, tell captions what the current float is
4892         Counters & cnts = buffer().masterBuffer()->params().documentClass().counters();
4893         string const saveflt = cnts.current_float();
4894         if (tabular.is_long_tabular) {
4895                 cnts.current_float("table");
4896                 // in longtables, we only step the counter once
4897                 cnts.step(from_ascii("table"), utype);
4898                 cnts.isLongtable(true);
4899         }
4900
4901         ParIterator it2 = it;
4902         it2.forwardPos();
4903         size_t const end = it2.nargs();
4904         for ( ; it2.idx() < end; it2.top().forwardIdx())
4905                 buffer().updateBuffer(it2, utype);
4906
4907         //reset afterwards
4908         if (tabular.is_long_tabular) {
4909                 cnts.current_float(saveflt);
4910                 cnts.isLongtable(false);
4911         }
4912 }
4913
4914
4915 void InsetTabular::addToToc(DocIterator const & cpit, bool output_active,
4916                                                         UpdateType utype, TocBackend & backend) const
4917 {
4918         DocIterator dit = cpit;
4919         dit.forwardPos();
4920         size_t const end = dit.nargs();
4921         for ( ; dit.idx() < end; dit.top().forwardIdx())
4922                 cell(dit.idx())->addToToc(dit, output_active, utype, backend);
4923 }
4924
4925
4926 bool InsetTabular::hitSelectRow(BufferView const & bv, int x) const
4927 {
4928         int const x0 = xo(bv) + ADD_TO_TABULAR_WIDTH;
4929         return x < x0 || x > x0 + tabular.width();
4930 }
4931
4932
4933 bool InsetTabular::hitSelectColumn(BufferView const & bv, int y) const
4934 {
4935         int const y0 = yo(bv) - tabular.rowAscent(0) + tabular.offsetVAlignment();
4936         // FIXME: using ADD_TO_TABULAR_WIDTH is not really correct since
4937         // there is no margin added vertically to tabular insets.
4938         // However, it works for now.
4939         return y < y0 + ADD_TO_TABULAR_WIDTH || y > y0 + tabular.height() - ADD_TO_TABULAR_WIDTH;
4940 }
4941
4942
4943 bool InsetTabular::clickable(BufferView const & bv, int x, int y) const
4944 {
4945         return hitSelectRow(bv, x) || hitSelectColumn(bv, y);
4946 }
4947
4948
4949 void InsetTabular::doDispatch(Cursor & cur, FuncRequest & cmd)
4950 {
4951         LYXERR(Debug::DEBUG, "# InsetTabular::doDispatch: cmd: " << cmd
4952                              << "\n  cur:" << cur);
4953         CursorSlice sl = cur.top();
4954         Cursor & bvcur = cur.bv().cursor();
4955
4956         FuncCode const act = cmd.action();
4957
4958         switch (act) {
4959
4960         case LFUN_MOUSE_PRESS: {
4961                 //lyxerr << "# InsetTabular::MousePress\n" << cur.bv().cursor() << endl;
4962                 // select row
4963                 if (hitSelectRow(cur.bv(), cmd.x())) {
4964                         row_type r = rowFromY(cur, cmd.y());
4965                         cur.idx() = tabular.getFirstCellInRow(r);
4966                         cur.pit() = 0;
4967                         cur.pos() = 0;
4968                         cur.resetAnchor();
4969                         cur.idx() = tabular.getLastCellInRow(r);
4970                         cur.pit() = cur.lastpit();
4971                         cur.pos() = cur.lastpos();
4972                         cur.selection(true);
4973                         bvcur = cur;
4974                         rowselect_ = true;
4975                         break;
4976                 }
4977                 // select column
4978                 if (hitSelectColumn(cur.bv(), cmd.y())) {
4979                         col_type c = columnFromX(cur, cmd.x());
4980                         cur.idx() = tabular.cellIndex(0, c);
4981                         cur.pit() = 0;
4982                         cur.pos() = 0;
4983                         cur.resetAnchor();
4984                         cur.idx() = tabular.cellIndex(tabular.nrows() - 1, c);
4985                         cur.pit() = cur.lastpit();
4986                         cur.pos() = cur.lastpos();
4987                         cur.selection(true);
4988                         bvcur = cur;
4989                         colselect_ = true;
4990                         break;
4991                 }
4992                 // do not reset cursor/selection if we have selected
4993                 // some cells (bug 2715).
4994                 if (cmd.button() == mouse_button::button3
4995                     && &bvcur.selBegin().inset() == this
4996                     && bvcur.selIsMultiCell())
4997                         ;
4998                 else
4999                         // Let InsetTableCell do it
5000                         cell(cur.idx())->dispatch(cur, cmd);
5001                 break;
5002         }
5003         case LFUN_MOUSE_MOTION:
5004                 //lyxerr << "# InsetTabular::MouseMotion\n" << bvcur << endl;
5005                 if (cmd.button() == mouse_button::button1) {
5006                         // only accept motions to places not deeper nested than the real anchor
5007                         if (!bvcur.realAnchor().hasPart(cur)) {
5008                                 cur.undispatched();
5009                                 break;
5010                         }
5011                         // select (additional) row
5012                         if (rowselect_) {
5013                                 row_type r = rowFromY(cur, cmd.y());
5014                                 cur.idx() = tabular.getLastCellInRow(r);
5015                                 // we need to reset the cursor's pit and pos now, as the old ones
5016                                 // may no longer be valid.
5017                                 cur.pit() = 0;
5018                                 cur.pos() = 0;
5019                                 bvcur.setCursor(cur);
5020                                 bvcur.selection(true);
5021                                 break;
5022                         }
5023                         // select (additional) column
5024                         if (colselect_) {
5025                                 col_type c = columnFromX(cur, cmd.x());
5026                                 cur.idx() = tabular.cellIndex(tabular.nrows() - 1, c);
5027                                 // we need to reset the cursor's pit and pos now, as the old ones
5028                                 // may no longer be valid.
5029                                 cur.pit() = 0;
5030                                 cur.pos() = 0;
5031                                 bvcur.setCursor(cur);
5032                                 bvcur.selection(true);
5033                                 break;
5034                         }
5035                         // only update if selection changes
5036                         if (bvcur.idx() == cur.idx() &&
5037                                 !(bvcur.realAnchor().idx() == cur.idx() && bvcur.pos() != cur.pos()))
5038                                 cur.noScreenUpdate();
5039                         setCursorFromCoordinates(cur, cmd.x(), cmd.y());
5040                         bvcur.setCursor(cur);
5041                         bvcur.selection(true);
5042                         // if this is a multicell selection, we just set the cursor to
5043                         // the beginning of the cell's text.
5044                         if (bvcur.selIsMultiCell()) {
5045                                 bvcur.pit() = bvcur.lastpit();
5046                                 bvcur.pos() = bvcur.lastpos();
5047                         } else
5048                                 // Let InsetTableCell do it
5049                                 cell(cur.idx())->dispatch(cur, cmd);
5050                 }
5051                 break;
5052
5053         case LFUN_MOUSE_RELEASE:
5054                 rowselect_ = false;
5055                 colselect_ = false;
5056                 break;
5057
5058         case LFUN_CELL_BACKWARD:
5059                 movePrevCell(cur);
5060                 cur.selection(false);
5061                 break;
5062
5063         case LFUN_CELL_FORWARD:
5064                 moveNextCell(cur);
5065                 cur.selection(false);
5066                 break;
5067
5068         case LFUN_CHAR_FORWARD_SELECT:
5069         case LFUN_CHAR_FORWARD:
5070         case LFUN_CHAR_BACKWARD_SELECT:
5071         case LFUN_CHAR_BACKWARD:
5072         case LFUN_CHAR_RIGHT_SELECT:
5073         case LFUN_CHAR_RIGHT:
5074         case LFUN_CHAR_LEFT_SELECT:
5075         case LFUN_CHAR_LEFT:
5076         case LFUN_WORD_FORWARD:
5077         case LFUN_WORD_FORWARD_SELECT:
5078         case LFUN_WORD_BACKWARD:
5079         case LFUN_WORD_BACKWARD_SELECT:
5080         case LFUN_WORD_RIGHT:
5081         case LFUN_WORD_RIGHT_SELECT:
5082         case LFUN_WORD_LEFT:
5083         case LFUN_WORD_LEFT_SELECT: {
5084                 // determine whether we move to next or previous cell, where to enter
5085                 // the new cell from, and which command to "finish" (i.e., exit the
5086                 // inset) with:
5087                 bool next_cell;
5088                 EntryDirection entry_from = ENTRY_DIRECTION_IGNORE;
5089                 FuncCode finish_lfun;
5090
5091                 if (act == LFUN_CHAR_FORWARD
5092                                 || act == LFUN_CHAR_FORWARD_SELECT
5093                                 || act == LFUN_WORD_FORWARD
5094                                 || act == LFUN_WORD_FORWARD_SELECT) {
5095                         next_cell = true;
5096                         finish_lfun = LFUN_FINISHED_FORWARD;
5097                 }
5098                 else if (act == LFUN_CHAR_BACKWARD
5099                                 || act == LFUN_CHAR_BACKWARD_SELECT
5100                                 || act == LFUN_WORD_BACKWARD
5101                                 || act == LFUN_WORD_BACKWARD_SELECT) {
5102                         next_cell = false;
5103                         finish_lfun = LFUN_FINISHED_BACKWARD;
5104                 }
5105                 // LEFT or RIGHT commands --- the interpretation will depend on the
5106                 // table's direction.
5107                 else {
5108                         bool const right = act == LFUN_CHAR_RIGHT
5109                                 || act == LFUN_CHAR_RIGHT_SELECT
5110                                 || act == LFUN_WORD_RIGHT
5111                                 || act == LFUN_WORD_RIGHT_SELECT;
5112                         next_cell = isRightToLeft(cur) != right;
5113
5114                         if (lyxrc.visual_cursor)
5115                                 entry_from = right ? ENTRY_DIRECTION_LEFT:ENTRY_DIRECTION_RIGHT;
5116
5117                         finish_lfun = right ? LFUN_FINISHED_RIGHT : LFUN_FINISHED_LEFT;
5118                 }
5119
5120                 bool const select =     act == LFUN_CHAR_FORWARD_SELECT
5121                     || act == LFUN_CHAR_BACKWARD_SELECT
5122                     || act == LFUN_CHAR_RIGHT_SELECT
5123                     || act == LFUN_CHAR_LEFT_SELECT
5124                         || act == LFUN_WORD_FORWARD_SELECT
5125                         || act == LFUN_WORD_RIGHT_SELECT
5126                         || act == LFUN_WORD_BACKWARD_SELECT
5127                         || act == LFUN_WORD_LEFT_SELECT;
5128
5129                 // If we have a multicell selection or we're
5130                 // not doing some LFUN_*_SELECT thing anyway...
5131                 if (!cur.selIsMultiCell() || !select) {
5132                         col_type const c = tabular.cellColumn(cur.idx());
5133                         row_type const r = tabular.cellRow(cur.idx());
5134                         // Are we trying to select the whole cell and is the whole cell
5135                         // not yet selected?
5136                         bool const select_whole = select && !isCellSelected(cur, r, c) &&
5137                                 ((next_cell && cur.pit() == cur.lastpit()
5138                                 && cur.pos() == cur.lastpos())
5139                                 || (!next_cell && cur.pit() == 0 && cur.pos() == 0));
5140
5141                         bool const empty_cell = cur.lastpos() == 0 && cur.lastpit() == 0;
5142
5143                         // ...try to dispatch to the cell's inset.
5144                         cell(cur.idx())->dispatch(cur, cmd);
5145
5146                         // When we already have a selection we want to select the whole cell
5147                         // before going to the next cell.
5148                         if (select_whole && !empty_cell){
5149                                 getText(cur.idx())->selectAll(cur);
5150                                 cur.dispatched();
5151                                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5152                                 break;
5153                         }
5154
5155                         // FIXME: When we support the selection of an empty cell, remove
5156                         // the !empty_cell from this condition. For now we jump to the next
5157                         // cell if the current cell is empty.
5158                         if (cur.result().dispatched() && !empty_cell)
5159                                 break;
5160                 }
5161
5162                 // move to next/prev cell, as appropriate
5163                 // note that we will always do this if we're selecting and we have
5164                 // a multicell selection
5165                 LYXERR(Debug::RTL, "entering " << (next_cell ? "next" : "previous")
5166                         << " cell from: " << int(entry_from));
5167                 if (next_cell)
5168                         moveNextCell(cur, entry_from);
5169                 else
5170                         movePrevCell(cur, entry_from);
5171                 // if we're exiting the table, call the appropriate FINISHED lfun
5172                 if (sl == cur.top()) {
5173                         cmd = FuncRequest(finish_lfun);
5174                         cur.undispatched();
5175                 } else
5176                         cur.dispatched();
5177
5178                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5179                 break;
5180
5181         }
5182
5183         case LFUN_DOWN_SELECT:
5184         case LFUN_DOWN:
5185                 if (!(cur.selection() && cur.selIsMultiCell()))
5186                         cell(cur.idx())->dispatch(cur, cmd);
5187
5188                 cur.dispatched(); // override the cell's decision
5189                 if (sl == cur.top()) {
5190                         // if our Text didn't do anything to the cursor
5191                         // then we try to put the cursor into the cell below
5192                         // setting also the right targetX.
5193                         cur.selHandle(act == LFUN_DOWN_SELECT);
5194                         if (tabular.cellRow(cur.idx()) != tabular.nrows() - 1) {
5195                                 int const xtarget = cur.targetX();
5196                                 // WARNING: Once cur.idx() has been reset, the cursor is in
5197                                 // an inconsistent state until pos() has been set. Be careful
5198                                 // what you do with it!
5199                                 cur.idx() = tabular.cellBelow(cur.idx());
5200                                 cur.pit() = 0;
5201                                 TextMetrics const & tm =
5202                                         cur.bv().textMetrics(cell(cur.idx())->getText(0));
5203                                 cur.pos() = tm.x2pos(cur.pit(), 0, xtarget);
5204                                 cur.setCurrentFont();
5205                         }
5206                 }
5207                 if (sl == cur.top()) {
5208                         // we trick it to go to forward after leaving the
5209                         // tabular.
5210                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
5211                         cur.undispatched();
5212                 }
5213                 if (cur.selIsMultiCell()) {
5214                         cur.pit() = cur.lastpit();
5215                         cur.pos() = cur.lastpos();
5216                         cur.setCurrentFont();
5217                         cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5218                         return;
5219                 }
5220                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5221                 break;
5222
5223         case LFUN_UP_SELECT:
5224         case LFUN_UP:
5225                 if (!(cur.selection() && cur.selIsMultiCell()))
5226                         cell(cur.idx())->dispatch(cur, cmd);
5227                 cur.dispatched(); // override the cell's decision
5228                 if (sl == cur.top()) {
5229                         // if our Text didn't do anything to the cursor
5230                         // then we try to put the cursor into the cell above
5231                         // setting also the right targetX.
5232                         cur.selHandle(act == LFUN_UP_SELECT);
5233                         if (tabular.cellRow(cur.idx()) != 0) {
5234                                 int const xtarget = cur.targetX();
5235                                 // WARNING: Once cur.idx() has been reset, the cursor is in
5236                                 // an inconsistent state until pos() has been set. Be careful
5237                                 // what you do with it!
5238                                 cur.idx() = tabular.cellAbove(cur.idx());
5239                                 cur.pit() = cur.lastpit();
5240                                 Text const * text = cell(cur.idx())->getText(0);
5241                                 TextMetrics const & tm = cur.bv().textMetrics(text);
5242                                 ParagraphMetrics const & pm =
5243                                         tm.parMetrics(cur.lastpit());
5244                                 cur.pos() = tm.x2pos(cur.pit(), pm.rows().size()-1, xtarget);
5245                                 cur.setCurrentFont();
5246                         }
5247                 }
5248                 if (sl == cur.top()) {
5249                         cmd = FuncRequest(LFUN_UP);
5250                         cur.undispatched();
5251                 }
5252                 if (cur.selIsMultiCell()) {
5253                         cur.pit() = 0;
5254                         cur.pos() = cur.lastpos();
5255                         cur.setCurrentFont();
5256                         cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5257                         return;
5258                 }
5259                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5260                 break;
5261
5262         case LFUN_LAYOUT_TABULAR:
5263                 cur.bv().showDialog("tabular");
5264                 break;
5265
5266         case LFUN_INSET_MODIFY:
5267                 // we come from the dialog
5268                 if (cmd.getArg(0) == "tabular")
5269                         tabularFeatures(cur, cmd.getLongArg(1));
5270                 else
5271                         cur.undispatched();
5272                 break;
5273
5274         case LFUN_TABULAR_FEATURE:
5275                 tabularFeatures(cur, to_utf8(cmd.argument()));
5276                 break;
5277
5278         // insert file functions
5279         case LFUN_FILE_INSERT_PLAINTEXT_PARA:
5280         case LFUN_FILE_INSERT_PLAINTEXT:
5281                 // FIXME UNICODE
5282                 if (FileName::isAbsolute(to_utf8(cmd.argument()))) {
5283                         docstring const tmpstr = cur.bv().contentsOfPlaintextFile(
5284                                 FileName(to_utf8(cmd.argument())));
5285                         if (tmpstr.empty())
5286                                 break;
5287                         cur.recordUndoInset();
5288                         if (insertPlaintextString(cur.bv(), tmpstr, false)) {
5289                                 // content has been replaced,
5290                                 // so cursor might be invalid
5291                                 cur.pos() = cur.lastpos();
5292                                 cur.pit() = cur.lastpit();
5293                                 bvcur.setCursor(cur);
5294                         } else
5295                                 cur.undispatched();
5296                 }
5297                 break;
5298
5299         case LFUN_COPY:
5300                 if (cur.selIsMultiCell())
5301                         copySelection(cur);
5302                 else
5303                         cell(cur.idx())->dispatch(cur, cmd);
5304                 break;
5305
5306         case LFUN_CUT:
5307                 if (cur.selIsMultiCell()) {
5308                         if (copySelection(cur)) {
5309                                 cur.recordUndoInset();
5310                                 cutSelection(cur);
5311                         }
5312                 } else
5313                         cell(cur.idx())->dispatch(cur, cmd);
5314                 break;
5315
5316         case LFUN_SELF_INSERT:
5317                 if (cur.selIsMultiCell()) {
5318                         cur.recordUndoInset();
5319                         cutSelection(cur);
5320                         BufferView * bv = &cur.bv();
5321                         docstring::const_iterator cit = cmd.argument().begin();
5322                         docstring::const_iterator const end = cmd.argument().end();
5323                         for (; cit != end; ++cit)
5324                                 bv->translateAndInsert(*cit, getText(cur.idx()), cur);
5325
5326                         cur.resetAnchor();
5327                         bv->bookmarkEditPosition();
5328                 } else
5329                         cell(cur.idx())->dispatch(cur, cmd);
5330                 break;
5331
5332         case LFUN_CHAR_DELETE_BACKWARD:
5333         case LFUN_CHAR_DELETE_FORWARD:
5334                 if (cur.selIsMultiCell()) {
5335                         cur.recordUndoInset();
5336                         cutSelection(cur);
5337                 } else
5338                         cell(cur.idx())->dispatch(cur, cmd);
5339                 break;
5340
5341         case LFUN_CLIPBOARD_PASTE:
5342         case LFUN_PRIMARY_SELECTION_PASTE: {
5343                 docstring const clip = (act == LFUN_CLIPBOARD_PASTE) ?
5344                         theClipboard().getAsText(Clipboard::PlainTextType) :
5345                         theSelection().get();
5346                 if (clip.empty())
5347                         break;
5348                 // pass to InsertPlaintextString, but
5349                 // only if we have multi-cell content
5350                 if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
5351                         cur.recordUndoInset();
5352                         if (insertPlaintextString(cur.bv(), clip, false)) {
5353                                 // content has been replaced,
5354                                 // so cursor might be invalid
5355                                 cur.fixIfBroken();
5356                                 bvcur.setCursor(cur);
5357                                 break;
5358                         }
5359                 }
5360                 // Let the cell handle normal text
5361                 cell(cur.idx())->dispatch(cur, cmd);
5362                 break;
5363         }
5364
5365         case LFUN_PASTE:
5366                 if (!tabularStackDirty()) {
5367                         // Check if we have plain text or HTML with rows/columns.
5368                         // and if so, pass over to LFUN_CLIPBOARD_PASTE
5369                         if (theClipboard().hasTextContents(Clipboard::AnyTextType)
5370                             && !theClipboard().hasTextContents(Clipboard::LyXTextType)) {
5371                                 docstring const clip =
5372                                         theClipboard().getAsText(Clipboard::AnyTextType);
5373                                 if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
5374                                         FuncRequest ncmd = FuncRequest(LFUN_CLIPBOARD_PASTE, cmd.argument());
5375                                         doDispatch(cur, ncmd);
5376                                         break;
5377                                 }
5378                         }
5379                         else if (!theClipboard().isInternal()
5380                                  && theClipboard().hasTextContents(Clipboard::LyXTextType)) {
5381                                 // This might be tabular data from another LyX instance. Check!
5382                                 docstring const clip =
5383                                         theClipboard().getAsText(Clipboard::PlainTextType);
5384                                 if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
5385                                         FuncRequest ncmd = FuncRequest(LFUN_CLIPBOARD_PASTE, cmd.argument());
5386                                         doDispatch(cur, ncmd);
5387                                         break;
5388                                 }
5389                         }
5390                         if (!cur.selIsMultiCell())
5391                                 cell(cur.idx())->dispatch(cur, cmd);
5392                         break;
5393                 }
5394                 if (theClipboard().isInternal()) {
5395                         cur.recordUndoInset();
5396                         pasteClipboard(cur);
5397                 }
5398                 break;
5399
5400         case LFUN_CHANGE_ACCEPT:
5401         case LFUN_CHANGE_REJECT:
5402         case LFUN_FONT_DEFAULT:
5403         case LFUN_FONT_EMPH:
5404         case LFUN_FONT_BOLD:
5405         case LFUN_FONT_BOLDSYMBOL:
5406         case LFUN_FONT_ROMAN:
5407         case LFUN_FONT_NOUN:
5408         case LFUN_FONT_ITAL:
5409         case LFUN_FONT_FRAK:
5410         case LFUN_FONT_TYPEWRITER:
5411         case LFUN_FONT_SANS:
5412         case LFUN_TEXTSTYLE_APPLY:
5413         case LFUN_TEXTSTYLE_UPDATE:
5414         case LFUN_FONT_SIZE:
5415         case LFUN_FONT_UNDERLINE:
5416         case LFUN_FONT_STRIKEOUT:
5417         case LFUN_FONT_CROSSOUT:
5418         case LFUN_FONT_UNDERUNDERLINE:
5419         case LFUN_FONT_UNDERWAVE:
5420         case LFUN_LANGUAGE:
5421         case LFUN_PARAGRAPH_PARAMS_APPLY:
5422         case LFUN_PARAGRAPH_PARAMS:
5423         case LFUN_WORD_CAPITALIZE:
5424         case LFUN_WORD_UPCASE:
5425         case LFUN_WORD_LOWCASE:
5426         case LFUN_CHARS_TRANSPOSE: {
5427                 bool const ct = (act == LFUN_CHANGE_ACCEPT || act == LFUN_CHANGE_REJECT);
5428                 if (cur.selIsMultiCell()) {
5429                         row_type rs, re;
5430                         col_type cs, ce;
5431                         getSelection(cur, rs, re, cs, ce);
5432                         Cursor tmpcur = cur;
5433                         for (row_type r = rs; r <= re; ++r) {
5434                                 if (ct && cs == 0 && ce == tabular.ncols() - 1) {
5435                                         // whole row selected
5436                                         if (act == LFUN_CHANGE_ACCEPT) {
5437                                                 if (tabular.row_info[r].change.inserted())
5438                                                         tabular.row_info[r].change.setUnchanged();
5439                                                 else if (tabular.row_info[r].change.deleted()) {
5440                                                         tabular.deleteRow(r, true);
5441                                                         --re;
5442                                                         continue;
5443                                                 }
5444                                         } else {
5445                                                 if (tabular.row_info[r].change.deleted())
5446                                                         tabular.row_info[r].change.setUnchanged();
5447                                                 else if (tabular.row_info[r].change.inserted()) {
5448                                                         tabular.deleteRow(r, true);
5449                                                         --re;
5450                                                         continue;
5451                                                 }
5452                                         }
5453                                 }
5454                                 for (col_type c = cs; c <= ce; ++c) {
5455                                         if (ct && rs == 0 && re == tabular.nrows() - 1) {
5456                                                 // whole col selected
5457                                                 if (act == LFUN_CHANGE_ACCEPT) {
5458                                                         if (tabular.column_info[c].change.inserted())
5459                                                                 tabular.column_info[c].change.setUnchanged();
5460                                                         else if (tabular.column_info[c].change.deleted()) {
5461                                                                 tabular.deleteColumn(c, true);
5462                                                                 --ce;
5463                                                                 continue;
5464                                                         }
5465                                                 } else {
5466                                                         if (tabular.column_info[c].change.deleted())
5467                                                                 tabular.column_info[c].change.setUnchanged();
5468                                                         else if (tabular.column_info[c].change.inserted()) {
5469                                                                 tabular.deleteColumn(c, true);
5470                                                                 --ce;
5471                                                                 continue;
5472                                                         }
5473                                                 }
5474                                         }
5475                                         // cursor follows cell:
5476                                         tmpcur.idx() = tabular.cellIndex(r, c);
5477                                         // select this cell only:
5478                                         tmpcur.pit() = 0;
5479                                         tmpcur.pos() = 0;
5480                                         tmpcur.resetAnchor();
5481                                         tmpcur.pit() = tmpcur.lastpit();
5482                                         tmpcur.pos() = tmpcur.top().lastpos();
5483                                         tmpcur.setCursor(tmpcur);
5484                                         tmpcur.setSelection();
5485                                         cell(tmpcur.idx())->dispatch(tmpcur, cmd);
5486                                 }
5487                         }
5488                         if (ct) {
5489                                 tabular.updateIndexes();
5490                                 // cursor might be invalid
5491                                 cur.fixIfBroken();
5492                                 // change bar might need to be redrawn
5493                                 cur.screenUpdateFlags(Update::Force);
5494                                 cur.forceBufferUpdate();
5495                         }
5496                         break;
5497                 } else {
5498                         cell(cur.idx())->dispatch(cur, cmd);
5499                         break;
5500                 }
5501         }
5502
5503         case LFUN_CHANGE_NEXT:
5504         case LFUN_CHANGE_PREVIOUS: {
5505                 // BufferView::dispatch has already moved the cursor, we just
5506                 // need to select here if we have a changed row or column
5507                 if (tabular.row_info[tabular.cellRow(cur.idx())].change.changed()) {
5508                         // select row
5509                         cur.idx() = tabular.getFirstCellInRow(tabular.cellRow(cur.idx()));
5510                         cur.pit() = 0;
5511                         cur.pos() = 0;
5512                         cur.resetAnchor();
5513                         cur.idx() = tabular.getLastCellInRow(tabular.cellRow(cur.idx()));
5514                         cur.pit() = cur.lastpit();
5515                         cur.pos() = cur.lastpos();
5516                         cur.selection(true);
5517                         bvcur = cur;
5518                         rowselect_ = true;
5519                 }
5520                 else if (tabular.column_info[tabular.cellColumn(cur.idx())].change.changed()) {
5521                         // select column
5522                         cur.idx() = tabular.cellIndex(0, tabular.cellColumn(cur.idx()));
5523                         cur.pit() = 0;
5524                         cur.pos() = 0;
5525                         cur.resetAnchor();
5526                         cur.idx() = tabular.cellIndex(tabular.nrows() - 1, tabular.cellColumn(cur.idx()));
5527                         cur.pit() = cur.lastpit();
5528                         cur.pos() = cur.lastpos();
5529                         cur.selection(true);
5530                         bvcur = cur;
5531                         colselect_ = true;
5532                 }
5533                 break;
5534         }
5535
5536         case LFUN_INSET_SETTINGS:
5537                 // relay this lfun to Inset, not to the cell.
5538                 Inset::doDispatch(cur, cmd);
5539                 break;
5540
5541         default:
5542                 // we try to handle this event in the insets dispatch function.
5543                 cell(cur.idx())->dispatch(cur, cmd);
5544                 break;
5545         }
5546 }
5547
5548
5549 bool InsetTabular::getFeatureStatus(Cursor & cur, string const & s,
5550                       string const & argument, FuncStatus & status) const
5551 {
5552
5553                 int action = Tabular::LAST_ACTION;
5554                 int i = 0;
5555                 for (; tabularFeature[i].action != Tabular::LAST_ACTION; ++i) {
5556                         if (tabularFeature[i].feature == s) {
5557                                 action = tabularFeature[i].action;
5558                                 break;
5559                         }
5560                 }
5561                 if (action == Tabular::LAST_ACTION) {
5562                         status.clear();
5563                         status.setUnknown(true);
5564                         return true;
5565                 }
5566
5567                 row_type sel_row_start = 0;
5568                 row_type sel_row_end = 0;
5569                 col_type sel_col_start = 0;
5570                 col_type sel_col_end = 0;
5571                 Tabular::ltType dummyltt;
5572                 bool flag = true;
5573
5574                 getSelection(cur, sel_row_start, sel_row_end, sel_col_start, sel_col_end);
5575
5576                 switch (action) {
5577                 case Tabular::SET_PWIDTH:
5578                 case Tabular::SET_MPWIDTH:
5579                 case Tabular::TOGGLE_VARWIDTH_COLUMN:
5580                 case Tabular::SET_SPECIAL_COLUMN:
5581                 case Tabular::SET_SPECIAL_MULTICOLUMN:
5582                 case Tabular::APPEND_ROW:
5583                 case Tabular::APPEND_COLUMN:
5584                 case Tabular::COPY_ROW:
5585                 case Tabular::COPY_COLUMN:
5586                 case Tabular::SET_TOP_SPACE:
5587                 case Tabular::SET_BOTTOM_SPACE:
5588                 case Tabular::SET_INTERLINE_SPACE:
5589                         status.clear();
5590                         return true;
5591
5592                 case Tabular::DELETE_ROW:
5593                         status.setEnabled(tabular.nrows() > 1);
5594                         break;
5595                 case Tabular::DELETE_COLUMN:
5596                         status.setEnabled(tabular.ncols() > 1);
5597                         break;
5598
5599                 case Tabular::SET_TABULAR_WIDTH:
5600                         status.setEnabled(!tabular.rotate
5601                                 && tabular.tabular_valignment == Tabular::LYX_VALIGN_MIDDLE);
5602                         break;
5603
5604                 case Tabular::MOVE_COLUMN_RIGHT:
5605                 case Tabular::MOVE_COLUMN_LEFT:
5606                 case Tabular::MOVE_ROW_DOWN:
5607                 case Tabular::MOVE_ROW_UP: {
5608                         row_type rs, re;
5609                         col_type cs, ce;
5610                         if (cur.selIsMultiCell())
5611                                 getSelection(cur, rs, re, cs, ce);
5612                         else {
5613                                 rs = tabular.cellRow(cur.idx());
5614                                 re = rs;
5615                                 cs = tabular.cellColumn(cur.idx());
5616                                 ce = cs;
5617                         }
5618                         if ((action == Tabular::MOVE_COLUMN_RIGHT
5619                              && tabular.ncols() == ce + 1)
5620                             || (action == Tabular::MOVE_COLUMN_LEFT && cs == 0)
5621                             || (action == Tabular::MOVE_ROW_DOWN
5622                                 && tabular.nrows() == re + 1)
5623                             || (action == Tabular::MOVE_ROW_UP && rs == 0)) {
5624                                         status.setEnabled(false);
5625                                         break;
5626                         }
5627
5628                         if (action == Tabular::MOVE_COLUMN_RIGHT
5629                             || action == Tabular::MOVE_COLUMN_LEFT) {
5630                                 bool has_multicol = (action == Tabular::MOVE_COLUMN_RIGHT)
5631                                                 ? tabular.hasMultiColumn(ce + 1)
5632                                                 : tabular.hasMultiColumn(cs - 1);
5633                                 for (col_type c = cs; c <= ce; ++c) {
5634                                         if (tabular.hasMultiColumn(c)) {
5635                                                 has_multicol = true;
5636                                                 break;
5637                                         }
5638                                 }
5639                                 if (has_multicol) {
5640                                         status.message(_("Column movement not supported with multi-columns."));
5641                                         status.setEnabled(false);
5642                                         break;
5643                                 }
5644                         }
5645
5646                         if (action == Tabular::MOVE_ROW_DOWN
5647                             || action == Tabular::MOVE_ROW_UP) {
5648                                 bool has_multirow = (action == Tabular::MOVE_ROW_DOWN)
5649                                                 ? tabular.hasMultiRow(re + 1)
5650                                                 : tabular.hasMultiRow(rs - 1);
5651                                 for (row_type r = rs; r <= re; ++r) {
5652                                         if (tabular.hasMultiRow(r)) {
5653                                                 has_multirow = true;
5654                                                 break;
5655                                         }
5656                                 }
5657                                 if (has_multirow) {
5658                                         status.message(_("Row movement not supported with multi-rows."));
5659                                         status.setEnabled(false);
5660                                         break;
5661                                 }
5662                         }
5663
5664                         status.setEnabled(true);
5665                         break;
5666                 }
5667
5668                 case Tabular::SET_DECIMAL_POINT:
5669                         status.setEnabled(
5670                                 tabular.getAlignment(cur.idx()) == LYX_ALIGN_DECIMAL);
5671                         break;
5672
5673                 case Tabular::SET_MULTICOLUMN:
5674                 case Tabular::UNSET_MULTICOLUMN:
5675                 case Tabular::MULTICOLUMN:
5676                         // If a row is set as longtable caption, it must not be allowed
5677                         // to unset that this row is a multicolumn.
5678                         status.setEnabled(sel_row_start == sel_row_end
5679                                 && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5680                         status.setOnOff(tabular.isMultiColumn(cur.idx()));
5681                         break;
5682
5683                 case Tabular::SET_MULTIROW:
5684                 case Tabular::UNSET_MULTIROW:
5685                 case Tabular::MULTIROW:
5686                         // If a row is set as longtable caption, it must not be allowed
5687                         // to unset that this row is a multirow.
5688                         status.setEnabled(sel_col_start == sel_col_end
5689                                 && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5690                         status.setOnOff(tabular.isMultiRow(cur.idx()));
5691                         break;
5692
5693                 case Tabular::TOGGLE_INNER_LINES:
5694                         status.setOnOff(tabular.innerBorders(sel_row_start, sel_row_end,
5695                                                                                                  sel_col_start, sel_col_end));
5696                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5697                         break;
5698                 case Tabular::TOGGLE_ALL_LINES:
5699                         status.setOnOff(tabular.innerBorders(sel_row_start, sel_row_end,
5700                                                                                                  sel_col_start, sel_col_end)
5701                                                 && tabular.outsideBorders(sel_row_start, sel_row_end,
5702                                                                                                   sel_col_start, sel_col_end));
5703                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5704                         break;
5705                 case Tabular::SET_ALL_LINES:
5706                 case Tabular::UNSET_ALL_LINES:
5707                 case Tabular::SET_INNER_LINES:
5708                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5709                         break;
5710
5711                 case Tabular::TOGGLE_BORDER_LINES:
5712                         status.setOnOff(tabular.outsideBorders(sel_row_start, sel_row_end,
5713                                                                                                    sel_col_start, sel_col_end));
5714                         // fall through
5715                 case Tabular::SET_BORDER_LINES:
5716                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5717                         break;
5718
5719                 case Tabular::RESET_FORMAL_DEFAULT:
5720                         status.setEnabled(tabular.use_booktabs);
5721                         break;
5722
5723                 case Tabular::SET_LINE_TOP:
5724                 case Tabular::SET_LINE_BOTTOM:
5725                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5726                         break;
5727
5728                 case Tabular::SET_LINE_LEFT:
5729                 case Tabular::SET_LINE_RIGHT:
5730                         status.setEnabled(!tabular.use_booktabs
5731                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5732                         break;
5733
5734                 case Tabular::SET_LTRIM_TOP:
5735                 case Tabular::SET_RTRIM_TOP:
5736                         status.setEnabled(tabular.use_booktabs
5737                                           && tabular.cellRow(cur.idx()) != 0
5738                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5739                         break;
5740
5741                 case Tabular::SET_LTRIM_BOTTOM:
5742                 case Tabular::SET_RTRIM_BOTTOM:
5743                         status.setEnabled(tabular.use_booktabs
5744                                           && tabular.cellRow(cur.idx()) != tabular.nrows() - 1
5745                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5746                         break;
5747
5748                 case Tabular::TOGGLE_LINE_TOP:
5749                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5750                         status.setOnOff(tabular.topLine(cur.idx()));
5751                         break;
5752
5753                 case Tabular::TOGGLE_LINE_BOTTOM:
5754                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5755                         status.setOnOff(tabular.bottomLine(cur.idx()));
5756                         break;
5757
5758                 case Tabular::TOGGLE_LINE_LEFT:
5759                         status.setEnabled(!tabular.use_booktabs
5760                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5761                         status.setOnOff(tabular.leftLine(cur.idx()));
5762                         break;
5763
5764                 case Tabular::TOGGLE_LINE_RIGHT:
5765                         status.setEnabled(!tabular.use_booktabs
5766                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5767                         status.setOnOff(tabular.rightLine(cur.idx()));
5768                         break;
5769
5770                 case Tabular::TOGGLE_LTRIM_TOP:
5771                         status.setEnabled(tabular.use_booktabs
5772                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5773                         status.setOnOff(tabular.topLineTrim(cur.idx()).first);
5774                         break;
5775
5776                 case Tabular::TOGGLE_RTRIM_TOP:
5777                         status.setEnabled(tabular.use_booktabs
5778                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5779                         status.setOnOff(tabular.topLineTrim(cur.idx()).second);
5780                         break;
5781
5782                 case Tabular::TOGGLE_LTRIM_BOTTOM:
5783                         status.setEnabled(tabular.use_booktabs
5784                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5785                         status.setOnOff(tabular.bottomLineTrim(cur.idx()).first);
5786                         break;
5787
5788                 case Tabular::TOGGLE_RTRIM_BOTTOM:
5789                         status.setEnabled(tabular.use_booktabs
5790                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5791                         status.setOnOff(tabular.bottomLineTrim(cur.idx()).second);
5792                         break;
5793
5794                 // multirow cells only inherit the alignment of the column if the column has
5795                 // no width, otherwise they are left-aligned
5796                 // therefore allow always left but right and center only if there is no width
5797                 case Tabular::M_ALIGN_LEFT:
5798                         flag = false;
5799                         // fall through
5800                 case Tabular::ALIGN_LEFT:
5801                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_LEFT);
5802                         break;
5803
5804                 case Tabular::M_ALIGN_RIGHT:
5805                         flag = false;
5806                         // fall through
5807                 case Tabular::ALIGN_RIGHT:
5808                         status.setEnabled(!(tabular.isMultiRow(cur.idx())
5809                                 && !tabular.getPWidth(cur.idx()).zero()));
5810                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_RIGHT);
5811                         break;
5812
5813                 case Tabular::M_ALIGN_CENTER:
5814                         flag = false;
5815                         // fall through
5816                 case Tabular::ALIGN_CENTER:
5817                         status.setEnabled(!(tabular.isMultiRow(cur.idx())
5818                                 && !tabular.getPWidth(cur.idx()).zero()));
5819                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_CENTER);
5820                         break;
5821
5822                 case Tabular::ALIGN_BLOCK:
5823                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
5824                                 && !tabular.isMultiRow(cur.idx()));
5825                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_BLOCK);
5826                         break;
5827
5828                 case Tabular::ALIGN_DECIMAL:
5829                         status.setEnabled(!tabular.isMultiRow(cur.idx())
5830                                 && !tabular.isMultiColumn(cur.idx()));
5831                         status.setOnOff(tabular.getAlignment(cur.idx(), true) == LYX_ALIGN_DECIMAL);
5832                         break;
5833
5834                 case Tabular::M_VALIGN_TOP:
5835                         flag = false;
5836                         // fall through
5837                 case Tabular::VALIGN_TOP:
5838                         status.setEnabled((!tabular.getPWidth(cur.idx()).zero()
5839                                            || tabular.getUsebox(cur.idx()) == Tabular::BOX_VARWIDTH));
5840                         status.setOnOff(
5841                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_TOP);
5842                         break;
5843
5844                 case Tabular::M_VALIGN_BOTTOM:
5845                         flag = false;
5846                         // fall through
5847                 case Tabular::VALIGN_BOTTOM:
5848                         status.setEnabled((!tabular.getPWidth(cur.idx()).zero()
5849                                            || tabular.getUsebox(cur.idx()) == Tabular::BOX_VARWIDTH));
5850                         status.setOnOff(
5851                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_BOTTOM);
5852                         break;
5853
5854                 case Tabular::M_VALIGN_MIDDLE:
5855                         flag = false;
5856                         // fall through
5857                 case Tabular::VALIGN_MIDDLE:
5858                         status.setEnabled((!tabular.getPWidth(cur.idx()).zero()
5859                                            || tabular.getUsebox(cur.idx()) == Tabular::BOX_VARWIDTH));
5860                         status.setOnOff(
5861                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_MIDDLE);
5862                         break;
5863
5864                 case Tabular::SET_LONGTABULAR:
5865                 case Tabular::TOGGLE_LONGTABULAR:
5866                         // setting as longtable is not allowed when table is inside a float
5867                         if (cur.innerInsetOfType(FLOAT_CODE) != nullptr
5868                                 || cur.innerInsetOfType(WRAP_CODE) != nullptr)
5869                                 status.setEnabled(false);
5870                         else
5871                                 status.setEnabled(true);
5872                         status.setOnOff(tabular.is_long_tabular);
5873                         break;
5874
5875                 case Tabular::UNSET_LONGTABULAR:
5876                         status.setOnOff(!tabular.is_long_tabular);
5877                         break;
5878
5879                 case Tabular::TOGGLE_ROTATE_TABULAR:
5880                 case Tabular::SET_ROTATE_TABULAR:
5881                         status.setOnOff(tabular.rotate != 0);
5882                         break;
5883
5884                 case Tabular::TABULAR_VALIGN_TOP:
5885                         status.setEnabled(tabular.tabular_width.zero());
5886                         status.setOnOff(tabular.tabular_valignment
5887                                 == Tabular::LYX_VALIGN_TOP);
5888                         break;
5889                 case Tabular::TABULAR_VALIGN_MIDDLE:
5890                         status.setEnabled(tabular.tabular_width.zero());
5891                         status.setOnOff(tabular.tabular_valignment
5892                                 == Tabular::LYX_VALIGN_MIDDLE);
5893                         break;
5894                 case Tabular::TABULAR_VALIGN_BOTTOM:
5895                         status.setEnabled(tabular.tabular_width.zero());
5896                         status.setOnOff(tabular.tabular_valignment
5897                                 == Tabular::LYX_VALIGN_BOTTOM);
5898                         break;
5899
5900                 case Tabular::LONGTABULAR_ALIGN_LEFT:
5901                         status.setOnOff(tabular.longtabular_alignment
5902                                 == Tabular::LYX_LONGTABULAR_ALIGN_LEFT);
5903                         break;
5904                 case Tabular::LONGTABULAR_ALIGN_CENTER:
5905                         status.setOnOff(tabular.longtabular_alignment
5906                                 == Tabular::LYX_LONGTABULAR_ALIGN_CENTER);
5907                         break;
5908                 case Tabular::LONGTABULAR_ALIGN_RIGHT:
5909                         status.setOnOff(tabular.longtabular_alignment
5910                                 == Tabular::LYX_LONGTABULAR_ALIGN_RIGHT);
5911                         break;
5912
5913                 case Tabular::UNSET_ROTATE_TABULAR:
5914                         status.setOnOff(tabular.rotate == 0);
5915                         break;
5916
5917                 case Tabular::TOGGLE_ROTATE_CELL:
5918                 case Tabular::SET_ROTATE_CELL:
5919                         status.setOnOff(!oneCellHasRotationState(false,
5920                                 sel_row_start, sel_row_end, sel_col_start, sel_col_end));
5921                         break;
5922
5923                 case Tabular::UNSET_ROTATE_CELL:
5924                         status.setOnOff(!oneCellHasRotationState(true,
5925                                 sel_row_start, sel_row_end, sel_col_start, sel_col_end));
5926                         break;
5927
5928                 case Tabular::SET_USEBOX:
5929                         status.setOnOff(convert<int>(argument) == tabular.getUsebox(cur.idx()));
5930                         break;
5931
5932                 // every row can only be one thing:
5933                 // either a footer or header
5934                 case Tabular::SET_LTFIRSTHEAD:
5935                         status.setEnabled(sel_row_start == sel_row_end);
5936                         status.setOnOff(tabular.getRowOfLTFirstHead(sel_row_start, dummyltt));
5937                         break;
5938
5939                 case Tabular::UNSET_LTFIRSTHEAD:
5940                         status.setEnabled(sel_row_start == sel_row_end);
5941                         status.setOnOff(!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt));
5942                         break;
5943
5944                 case Tabular::SET_LTHEAD:
5945                         status.setEnabled(sel_row_start == sel_row_end);
5946                         status.setOnOff(tabular.getRowOfLTHead(sel_row_start, dummyltt));
5947                         break;
5948
5949                 case Tabular::UNSET_LTHEAD:
5950                         status.setEnabled(sel_row_start == sel_row_end);
5951                         status.setOnOff(!tabular.getRowOfLTHead(sel_row_start, dummyltt));
5952                         break;
5953
5954                 case Tabular::SET_LTFOOT:
5955                         status.setEnabled(sel_row_start == sel_row_end);
5956                         status.setOnOff(tabular.getRowOfLTFoot(sel_row_start, dummyltt));
5957                         break;
5958
5959                 case Tabular::UNSET_LTFOOT:
5960                         status.setEnabled(sel_row_start == sel_row_end);
5961                         status.setOnOff(!tabular.getRowOfLTFoot(sel_row_start, dummyltt));
5962                         break;
5963
5964                 case Tabular::SET_LTLASTFOOT:
5965                         status.setEnabled(sel_row_start == sel_row_end);
5966                         status.setOnOff(tabular.getRowOfLTLastFoot(sel_row_start, dummyltt));
5967                         break;
5968
5969                 case Tabular::UNSET_LTLASTFOOT:
5970                         status.setEnabled(sel_row_start == sel_row_end);
5971                         status.setOnOff(!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt));
5972                         break;
5973
5974                 case Tabular::SET_LTNEWPAGE:
5975                         status.setOnOff(tabular.getLTNewPage(sel_row_start));
5976                         break;
5977                 case Tabular::UNSET_LTNEWPAGE:
5978                         status.setOnOff(!tabular.getLTNewPage(sel_row_start));
5979                         break;
5980
5981                 // only one row in head/firsthead/foot/lasthead can be the caption
5982                 // and a multirow cannot be set as caption
5983                 case Tabular::SET_LTCAPTION:
5984                         status.setEnabled(sel_row_start == sel_row_end
5985                                 && (!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt)
5986                                  || !tabular.haveLTCaption(Tabular::CAPTION_FIRSTHEAD))
5987                                 && (!tabular.getRowOfLTHead(sel_row_start, dummyltt)
5988                                  || !tabular.haveLTCaption(Tabular::CAPTION_HEAD))
5989                                 && (!tabular.getRowOfLTFoot(sel_row_start, dummyltt)
5990                                  || !tabular.haveLTCaption(Tabular::CAPTION_FOOT))
5991                                 && (!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt)
5992                                  || !tabular.haveLTCaption(Tabular::CAPTION_LASTFOOT))
5993                                 && !tabular.isMultiRow(sel_row_start));
5994                         status.setOnOff(tabular.ltCaption(sel_row_start));
5995                         break;
5996
5997                 case Tabular::UNSET_LTCAPTION:
5998                         status.setEnabled(sel_row_start == sel_row_end && tabular.ltCaption(sel_row_start));
5999                         break;
6000
6001                 case Tabular::TOGGLE_LTCAPTION:
6002                         status.setEnabled(sel_row_start == sel_row_end && (tabular.ltCaption(sel_row_start)
6003                                 || ((!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt)
6004                                   || !tabular.haveLTCaption(Tabular::CAPTION_FIRSTHEAD))
6005                                  && (!tabular.getRowOfLTHead(sel_row_start, dummyltt)
6006                                   || !tabular.haveLTCaption(Tabular::CAPTION_HEAD))
6007                                  && (!tabular.getRowOfLTFoot(sel_row_start, dummyltt)
6008                                   || !tabular.haveLTCaption(Tabular::CAPTION_FOOT))
6009                                  && (!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt)
6010                                   || !tabular.haveLTCaption(Tabular::CAPTION_LASTFOOT)))));
6011                         status.setOnOff(tabular.ltCaption(sel_row_start));
6012                         break;
6013
6014                 case Tabular::TOGGLE_BOOKTABS:
6015                 case Tabular::SET_BOOKTABS:
6016                         status.setOnOff(tabular.use_booktabs);
6017                         break;
6018
6019                 case Tabular::UNSET_BOOKTABS:
6020                         status.setOnOff(!tabular.use_booktabs);
6021                         break;
6022
6023                 default:
6024                         status.clear();
6025                         status.setEnabled(false);
6026                         break;
6027                 }
6028                 return true;
6029 }
6030
6031
6032 // function sets an object as defined in FuncStatus.h:
6033 // states OK, Unknown, Disabled, On, Off.
6034 bool InsetTabular::getStatus(Cursor & cur, FuncRequest const & cmd,
6035                              FuncStatus & status) const
6036 {
6037         switch (cmd.action()) {
6038         case LFUN_INSET_MODIFY:
6039                 if (cmd.getArg(0) != "tabular")
6040                         break;
6041                 if (cmd.getArg(1) == "for-dialog") {
6042                         // The dialog is asking the status of a command
6043                         if (&cur.inset() != this)
6044                                 break;
6045                         string action = cmd.getArg(2);
6046                         string arg = cmd.getLongArg(3);
6047                         return getFeatureStatus(cur, action, arg, status);
6048                 } else {
6049                         // We always enable the lfun if it is coming from the dialog
6050                         // because the dialog makes sure all the settings are valid,
6051                         // even though the first argument might not be valid now.
6052                         status.setEnabled(true);
6053                         return true;
6054                 }
6055
6056         case LFUN_TABULAR_FEATURE: {
6057                 if (&cur.inset() != this)
6058                         break;
6059                 string action = cmd.getArg(0);
6060                 string arg = cmd.getLongArg(1);
6061                 return getFeatureStatus(cur, action, arg, status);
6062         }
6063
6064         case LFUN_CAPTION_INSERT: {
6065                 // caption is only allowed in caption cell of longtable
6066                 if (!tabular.ltCaption(tabular.cellRow(cur.idx()))) {
6067                         status.setEnabled(false);
6068                         return true;
6069                 }
6070                 // only standard caption is allowed
6071                 string arg = cmd.getArg(0);
6072                 if (!arg.empty() && arg != "Standard") {
6073                         status.setEnabled(false);
6074                         return true;
6075                 }
6076                 // check if there is already a caption
6077                 bool have_caption = false;
6078                 InsetTableCell itc = *tabular.cellInset(cur.idx());
6079                 ParagraphList::const_iterator pit = itc.paragraphs().begin();
6080                 ParagraphList::const_iterator pend = itc.paragraphs().end();
6081                 for (; pit != pend; ++pit) {
6082                         InsetList::const_iterator it  = pit->insetList().begin();
6083                         InsetList::const_iterator end = pit->insetList().end();
6084                         for (; it != end; ++it) {
6085                                 if (it->inset->lyxCode() == CAPTION_CODE) {
6086                                         have_caption = true;
6087                                         break;
6088                                 }
6089                         }
6090                 }
6091                 status.setEnabled(!have_caption);
6092                 return true;
6093         }
6094
6095         // These are only enabled inside tabular
6096         case LFUN_CELL_BACKWARD:
6097         case LFUN_CELL_FORWARD:
6098                 status.setEnabled(true);
6099                 return true;
6100
6101         // disable these with multiple cells selected
6102         case LFUN_INSET_INSERT:
6103         case LFUN_TABULAR_INSERT:
6104         case LFUN_TABULAR_STYLE_INSERT:
6105         case LFUN_FLEX_INSERT:
6106         case LFUN_FLOAT_INSERT:
6107         case LFUN_FLOAT_WIDE_INSERT:
6108         case LFUN_FOOTNOTE_INSERT:
6109         case LFUN_MARGINALNOTE_INSERT:
6110         case LFUN_MATH_INSERT:
6111         case LFUN_MATH_MODE:
6112         case LFUN_MATH_MUTATE:
6113         case LFUN_MATH_DISPLAY:
6114         case LFUN_NOTE_INSERT:
6115         case LFUN_ARGUMENT_INSERT:
6116         case LFUN_BOX_INSERT:
6117         case LFUN_BRANCH_INSERT:
6118         case LFUN_PHANTOM_INSERT:
6119         case LFUN_WRAP_INSERT:
6120         case LFUN_PREVIEW_INSERT:
6121         case LFUN_ERT_INSERT: {
6122                 if (cur.selIsMultiCell()) {
6123                         status.setEnabled(false);
6124                         return true;
6125                 } else
6126                         return cell(cur.idx())->getStatus(cur, cmd, status);
6127         }
6128
6129         case LFUN_CHANGE_ACCEPT:
6130         case LFUN_CHANGE_REJECT: {
6131                 if (cur.selIsMultiCell()) {
6132                         row_type rs, re;
6133                         col_type cs, ce;
6134                         getSelection(cur, rs, re, cs, ce);
6135                         for (row_type r = rs; r <= re; ++r) {
6136                                 if (tabular.row_info[r].change.changed()) {
6137                                         status.setEnabled(true);
6138                                         return true;
6139                                 }
6140                                 for (col_type c = cs; c <= ce; ++c) {
6141                                         if (tabular.column_info[c].change.changed()) {
6142                                                 status.setEnabled(true);
6143                                                 return true;
6144                                         }
6145                                 }
6146                         }
6147                 } else {
6148                         if (tabular.row_info[tabular.cellRow(cur.idx())].change.changed()) {
6149                                 status.setEnabled(true);
6150                                 return true;
6151                         }
6152                         else if (tabular.column_info[tabular.cellColumn(cur.idx())].change.changed()) {
6153                                 status.setEnabled(true);
6154                                 return true;
6155                         }
6156                 }
6157                 return cell(cur.idx())->getStatus(cur, cmd, status);
6158         }
6159
6160         case LFUN_PARAGRAPH_BREAK:
6161         case LFUN_NEWLINE_INSERT:
6162                 return cell(cur.idx())->getStatus(cur, cmd, status);
6163
6164         case LFUN_NEWPAGE_INSERT:
6165                 status.setEnabled(false);
6166                 return true;
6167
6168         case LFUN_PASTE:
6169                 if (tabularStackDirty() && theClipboard().isInternal()) {
6170                         if (cur.selIsMultiCell()) {
6171                                 row_type rs, re;
6172                                 col_type cs, ce;
6173                                 getSelection(cur, rs, re, cs, ce);
6174                                 if (paste_tabular && paste_tabular->ncols() == ce - cs + 1
6175                                           && paste_tabular->nrows() == re - rs + 1)
6176                                         status.setEnabled(true);
6177                                 else {
6178                                         status.setEnabled(false);
6179                                         status.message(_("Selection size should match clipboard content."));
6180                                 }
6181                         } else
6182                                 status.setEnabled(true);
6183                         return true;
6184                 }
6185                 return cell(cur.idx())->getStatus(cur, cmd, status);
6186
6187         case LFUN_INSET_SETTINGS:
6188                 // relay this lfun to Inset, not to the cell.
6189                 return Inset::getStatus(cur, cmd, status);
6190
6191         default:
6192                 // we try to handle this event in the insets dispatch function.
6193                 return cell(cur.idx())->getStatus(cur, cmd, status);
6194         }
6195         return false;
6196 }
6197
6198
6199 int InsetTabular::rowFlags() const
6200 {
6201         if (tabular.is_long_tabular) {
6202                 switch (tabular.longtabular_alignment) {
6203                 case Tabular::LYX_LONGTABULAR_ALIGN_LEFT:
6204                         return Display | AlignLeft;
6205                 case Tabular::LYX_LONGTABULAR_ALIGN_CENTER:
6206                         return Display;
6207                 case Tabular::LYX_LONGTABULAR_ALIGN_RIGHT:
6208                         return Display | AlignRight;
6209                 default:
6210                         return Display;
6211                 }
6212         } else
6213                 return Inline;
6214 }
6215
6216
6217 void InsetTabular::latex(otexstream & os, OutputParams const & runparams) const
6218 {
6219         tabular.latex(os, runparams);
6220 }
6221
6222
6223 int InsetTabular::plaintext(odocstringstream & os,
6224         OutputParams const & runparams, size_t max_length) const
6225 {
6226         os << '\n'; // output table on a new line
6227         int const dp = runparams.linelen > 0 ? runparams.depth : 0;
6228         tabular.plaintext(os, runparams, dp, false, 0, max_length);
6229         return PLAINTEXT_NEWLINE;
6230 }
6231
6232
6233 void InsetTabular::docbook(XMLStream & xs, OutputParams const & runparams) const
6234 {
6235         tabular.docbook(xs, runparams);
6236 }
6237
6238
6239 docstring InsetTabular::xhtml(XMLStream & xs, OutputParams const & rp) const
6240 {
6241         return tabular.xhtml(xs, rp);
6242 }
6243
6244
6245 void InsetTabular::validate(LaTeXFeatures & features) const
6246 {
6247         tabular.validate(features);
6248         features.useInsetLayout(getLayout());
6249 }
6250
6251
6252 shared_ptr<InsetTableCell const> InsetTabular::cell(idx_type idx) const
6253 {
6254         return tabular.cellInset(idx);
6255 }
6256
6257
6258 shared_ptr<InsetTableCell> InsetTabular::cell(idx_type idx)
6259 {
6260         return tabular.cellInset(idx);
6261 }
6262
6263
6264 void InsetTabular::cursorPos(BufferView const & bv,
6265                 CursorSlice const & sl, bool boundary, int & x, int & y) const
6266 {
6267         cell(sl.idx())->cursorPos(bv, sl, boundary, x, y);
6268
6269         // y offset     correction
6270         y += cellYPos(sl.idx());
6271         y += tabular.textVOffset(sl.idx());
6272         y += tabular.offsetVAlignment();
6273
6274         // x offset correction
6275         x += cellXPos(sl.idx());
6276         x += tabular.textHOffset(sl.idx());
6277         x += ADD_TO_TABULAR_WIDTH;
6278 }
6279
6280
6281 int InsetTabular::dist(BufferView & bv, idx_type const cell, int x, int y) const
6282 {
6283         int xx = 0;
6284         int yy = 0;
6285         Inset const & inset = *tabular.cellInset(cell);
6286         Point o = bv.coordCache().getInsets().xy(&inset);
6287         int const xbeg = o.x_ - tabular.textHOffset(cell);
6288         int const xend = xbeg + tabular.cellWidth(cell);
6289         row_type const row = tabular.cellRow(cell);
6290         int const ybeg = o.y_ - tabular.rowAscent(row)
6291                 - tabular.interRowSpace(row) - tabular.textVOffset(cell);
6292         int const yend = ybeg + tabular.cellHeight(cell);
6293
6294         if (x < xbeg)
6295                 xx = xbeg - x;
6296         else if (x > xend)
6297                 xx = x - xend;
6298
6299         if (y < ybeg)
6300                 yy = ybeg - y;
6301         else if (y > yend)
6302                 yy = y - yend;
6303
6304         //lyxerr << " xbeg=" << xbeg << "  xend=" << xend
6305         //       << " ybeg=" << ybeg << " yend=" << yend
6306         //       << " xx=" << xx << " yy=" << yy
6307         //       << " dist=" << xx + yy << endl;
6308         return xx + yy;
6309 }
6310
6311
6312 Inset * InsetTabular::editXY(Cursor & cur, int x, int y)
6313 {
6314         //lyxerr << "InsetTabular::editXY: " << this << endl;
6315         cur.push(*this);
6316         cur.idx() = getNearestCell(cur.bv(), x, y);
6317         return cur.bv().textMetrics(&cell(cur.idx())->text()).editXY(cur, x, y);
6318 }
6319
6320
6321 void InsetTabular::setCursorFromCoordinates(Cursor & cur, int x, int y) const
6322 {
6323         cur.idx() = getNearestCell(cur.bv(), x, y);
6324         cur.bv().textMetrics(&cell(cur.idx())->text()).setCursorFromCoordinates(cur, x, y);
6325 }
6326
6327
6328 idx_type InsetTabular::getNearestCell(BufferView & bv, int x, int y) const
6329 {
6330         idx_type idx_min = 0;
6331         int dist_min = numeric_limits<int>::max();
6332         for (idx_type i = 0, n = nargs(); i != n; ++i) {
6333                 if (bv.coordCache().getInsets().has(tabular.cellInset(i).get())) {
6334                         int const d = dist(bv, i, x, y);
6335                         if (d < dist_min) {
6336                                 dist_min = d;
6337                                 idx_min = i;
6338                         }
6339                 }
6340         }
6341         return idx_min;
6342 }
6343
6344
6345 int InsetTabular::cellYPos(idx_type const cell) const
6346 {
6347         row_type row = tabular.cellRow(cell);
6348         int ly = 0;
6349         for (row_type r = 0; r < row; ++r)
6350                 ly += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
6351                         + tabular.interRowSpace(r + 1);
6352         return ly;
6353 }
6354
6355
6356 int InsetTabular::cellXPos(idx_type const cell) const
6357 {
6358         col_type col = tabular.cellColumn(cell);
6359         int lx = 0;
6360         for (col_type c = 0; c < col; ++c)
6361                 lx += tabular.column_info[c].width;
6362         return lx;
6363 }
6364
6365
6366 void InsetTabular::moveNextCell(Cursor & cur, EntryDirection entry_from)
6367 {
6368         row_type const row = tabular.cellRow(cur.idx());
6369         col_type const col = tabular.cellColumn(cur.idx());
6370
6371         if (isRightToLeft(cur)) {
6372                 if (tabular.cellColumn(cur.idx()) == 0) {
6373                         if (row == tabular.nrows() - 1)
6374                                 return;
6375                         cur.idx() = tabular.cellBelow(tabular.getLastCellInRow(row));
6376                 } else {
6377                         if (cur.idx() == 0)
6378                                 return;
6379                         if (col == 0)
6380                                 cur.idx() = tabular.getLastCellInRow(row - 1);
6381                         else
6382                                 cur.idx() = tabular.cellIndex(row, col - 1);
6383                 }
6384         } else {
6385                 if (tabular.isLastCell(cur.idx()))
6386                         return;
6387                 if (cur.idx() == tabular.getLastCellInRow(row))
6388                         cur.idx() = tabular.cellIndex(row + 1, 0);
6389                 else {
6390                         col_type const colnextcell = col + tabular.columnSpan(cur.idx());
6391                         cur.idx() = tabular.cellIndex(row, colnextcell);
6392                 }
6393         }
6394
6395         cur.boundary(false);
6396
6397         if (cur.selIsMultiCell()) {
6398                 cur.pit() = cur.lastpit();
6399                 cur.pos() = cur.lastpos();
6400                 return;
6401         }
6402
6403         cur.pit() = 0;
6404         cur.pos() = 0;
6405
6406         // in visual mode, place cursor at extreme left or right
6407
6408         switch(entry_from) {
6409
6410         case ENTRY_DIRECTION_RIGHT:
6411                 cur.posVisToRowExtremity(false /* !left */);
6412                 break;
6413         case ENTRY_DIRECTION_LEFT:
6414                 cur.posVisToRowExtremity(true /* left */);
6415                 break;
6416         case ENTRY_DIRECTION_IGNORE:
6417                 // nothing to do in this case
6418                 break;
6419
6420         }
6421         cur.setCurrentFont();
6422 }
6423
6424
6425 void InsetTabular::movePrevCell(Cursor & cur, EntryDirection entry_from)
6426 {
6427         row_type const row = tabular.cellRow(cur.idx());
6428         col_type const col = tabular.cellColumn(cur.idx());
6429
6430         if (isRightToLeft(cur)) {
6431                 if (cur.idx() == tabular.getLastCellInRow(row)) {
6432                         if (row == 0)
6433                                 return;
6434                         cur.idx() = tabular.getFirstCellInRow(row);
6435                         cur.idx() = tabular.cellAbove(cur.idx());
6436                 } else {
6437                         if (tabular.isLastCell(cur.idx()))
6438                                 return;
6439                         if (cur.idx() == tabular.getLastCellInRow(row))
6440                                 cur.idx() = tabular.cellIndex(row + 1, 0);
6441                         else
6442                                 cur.idx() = tabular.cellIndex(row, col + 1);
6443                 }
6444         } else {
6445                 if (cur.idx() == 0) // first cell
6446                         return;
6447                 if (col == 0)
6448                         cur.idx() = tabular.getLastCellInRow(row - 1);
6449                 else
6450                         cur.idx() = tabular.cellIndex(row, col - 1);
6451         }
6452
6453         if (cur.selIsMultiCell()) {
6454                 cur.pit() = cur.lastpit();
6455                 cur.pos() = cur.lastpos();
6456                 return;
6457         }
6458
6459         cur.pit() = cur.lastpit();
6460         cur.pos() = cur.lastpos();
6461
6462         // in visual mode, place cursor at extreme left or right
6463
6464         switch(entry_from) {
6465
6466         case ENTRY_DIRECTION_RIGHT:
6467                 cur.posVisToRowExtremity(false /* !left */);
6468                 break;
6469         case ENTRY_DIRECTION_LEFT:
6470                 cur.posVisToRowExtremity(true /* left */);
6471                 break;
6472         case ENTRY_DIRECTION_IGNORE:
6473                 // nothing to do in this case
6474                 break;
6475
6476         }
6477         cur.setCurrentFont();
6478 }
6479
6480
6481 void InsetTabular::tabularFeatures(Cursor & cur, string const & argument)
6482 {
6483         cur.recordUndoInset(this);
6484
6485         istringstream is(argument);
6486         // limit the size of strings we read to avoid memory problems
6487         is >> setw(65636);
6488         string s;
6489         // Safe guard.
6490         size_t safe_guard = 0;
6491         for (;;) {
6492                 if (is.eof())
6493                         return;
6494                 safe_guard++;
6495                 if (safe_guard > 1000) {
6496                         LYXERR0("parameter max count reached!");
6497                         return;
6498                 }
6499                 is >> s;
6500                 Tabular::Feature action = Tabular::LAST_ACTION;
6501
6502                 size_t i = 0;
6503                 for (; tabularFeature[i].action != Tabular::LAST_ACTION; ++i) {
6504                         if (s != tabularFeature[i].feature)
6505                                 continue;
6506                         action = tabularFeature[i].action;
6507                         break;
6508                 }
6509                 if (action == Tabular::LAST_ACTION) {
6510                         LYXERR0("Feature not found " << s);
6511                         continue;
6512                 }
6513                 string val;
6514                 if (tabularFeature[i].need_value)
6515                         is >> val;
6516                 LYXERR(Debug::DEBUG, "Feature: " << s << "\t\tvalue: " << val);
6517                 tabularFeatures(cur, action, val);
6518         }
6519 }
6520
6521
6522 static void checkLongtableSpecial(Tabular::ltType & ltt,
6523                           string const & special, bool & flag)
6524 {
6525         if (special == "dl_above") {
6526                 ltt.topDL = flag;
6527                 ltt.set = false;
6528         } else if (special == "dl_below") {
6529                 ltt.bottomDL = flag;
6530                 ltt.set = false;
6531         } else if (special == "empty") {
6532                 ltt.empty = flag;
6533                 ltt.set = false;
6534         } else if (flag) {
6535                 ltt.empty = false;
6536                 ltt.set = true;
6537         }
6538 }
6539
6540
6541 bool InsetTabular::oneCellHasRotationState(bool rotated,
6542                 row_type row_start, row_type row_end,
6543                 col_type col_start, col_type col_end) const
6544 {
6545         for (row_type r = row_start; r <= row_end; ++r)
6546                 for (col_type c = col_start; c <= col_end; ++c)
6547                         if (rotated) {
6548                                 if (tabular.getRotateCell(tabular.cellIndex(r, c)) != 0)
6549                                         return true;
6550                         } else {
6551                                 if (tabular.getRotateCell(tabular.cellIndex(r, c)) == 0)
6552                                         return true;
6553                         }
6554         return false;
6555 }
6556
6557
6558 void InsetTabular::tabularFeatures(Cursor & cur,
6559         Tabular::Feature feature, string const & value)
6560 {
6561         col_type sel_col_start;
6562         col_type sel_col_end;
6563         row_type sel_row_start;
6564         row_type sel_row_end;
6565         bool setLines = false;
6566         bool toggle = false;
6567         LyXAlignment setAlign = LYX_ALIGN_LEFT;
6568         Tabular::VAlignment setVAlign = Tabular::LYX_VALIGN_TOP;
6569
6570         switch (feature) {
6571
6572         case Tabular::M_ALIGN_LEFT:
6573         case Tabular::ALIGN_LEFT:
6574                 setAlign = LYX_ALIGN_LEFT;
6575                 break;
6576
6577         case Tabular::M_ALIGN_RIGHT:
6578         case Tabular::ALIGN_RIGHT:
6579                 setAlign = LYX_ALIGN_RIGHT;
6580                 break;
6581
6582         case Tabular::M_ALIGN_CENTER:
6583         case Tabular::ALIGN_CENTER:
6584                 setAlign = LYX_ALIGN_CENTER;
6585                 break;
6586
6587         case Tabular::ALIGN_BLOCK:
6588                 setAlign = LYX_ALIGN_BLOCK;
6589                 break;
6590
6591         case Tabular::ALIGN_DECIMAL:
6592                 setAlign = LYX_ALIGN_DECIMAL;
6593                 break;
6594
6595         case Tabular::M_VALIGN_TOP:
6596         case Tabular::VALIGN_TOP:
6597                 setVAlign = Tabular::LYX_VALIGN_TOP;
6598                 break;
6599
6600         case Tabular::M_VALIGN_BOTTOM:
6601         case Tabular::VALIGN_BOTTOM:
6602                 setVAlign = Tabular::LYX_VALIGN_BOTTOM;
6603                 break;
6604
6605         case Tabular::M_VALIGN_MIDDLE:
6606         case Tabular::VALIGN_MIDDLE:
6607                 setVAlign = Tabular::LYX_VALIGN_MIDDLE;
6608                 break;
6609
6610         default:
6611                 break;
6612         }
6613
6614         getSelection(cur, sel_row_start, sel_row_end, sel_col_start, sel_col_end);
6615         row_type const row = tabular.cellRow(cur.idx());
6616         col_type const column = tabular.cellColumn(cur.idx());
6617         bool flag = true;
6618         Tabular::ltType ltt;
6619
6620         switch (feature) {
6621
6622         case Tabular::SET_TABULAR_WIDTH:
6623                 tabular.setTabularWidth(Length(value));
6624                 break;
6625
6626         case Tabular::SET_PWIDTH: {
6627                 Length const len(value);
6628                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6629                         tabular.setColumnPWidth(cur, tabular.cellIndex(row, c), len);
6630                         if (len.zero()
6631                             && tabular.getAlignment(tabular.cellIndex(row, c), true) == LYX_ALIGN_BLOCK)
6632                                 tabularFeatures(cur, Tabular::ALIGN_CENTER, string());
6633                 }
6634                 break;
6635         }
6636
6637         case Tabular::SET_MPWIDTH:
6638                 tabular.setMColumnPWidth(cur, cur.idx(), Length(value));
6639                 break;
6640
6641         case Tabular::TOGGLE_VARWIDTH_COLUMN: {
6642                 bool const varwidth = value == "on";
6643                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6644                         tabular.toggleVarwidth(tabular.cellIndex(row, c), varwidth);
6645                 break;
6646         }
6647
6648         case Tabular::SET_MROFFSET:
6649                 tabular.setMROffset(cur, cur.idx(), Length(value));
6650                 break;
6651
6652         case Tabular::SET_SPECIAL_COLUMN:
6653         case Tabular::SET_SPECIAL_MULTICOLUMN:
6654                 if (value == "none")
6655                         tabular.setAlignSpecial(cur.idx(), docstring(), feature);
6656                 else
6657                         tabular.setAlignSpecial(cur.idx(), from_utf8(value), feature);
6658                 break;
6659
6660         case Tabular::APPEND_ROW:
6661                 // append the row into the tabular
6662                 tabular.appendRow(row);
6663                 break;
6664
6665         case Tabular::APPEND_COLUMN:
6666                 // append the column into the tabular
6667                 tabular.appendColumn(column);
6668                 cur.idx() = tabular.cellIndex(row, column);
6669                 break;
6670
6671         case Tabular::DELETE_ROW:
6672                 if (sel_row_end == tabular.nrows() - 1 && sel_row_start != 0) {
6673                         for (col_type c = 0; c < tabular.ncols(); c++) {
6674                                 tabular.setBottomLine(tabular.cellIndex(sel_row_start - 1, c),
6675                                         tabular.bottomLine(tabular.cellIndex(sel_row_end, c)));
6676                                 tabular.setBottomLineTrim(tabular.cellIndex(sel_row_start - 1, c),
6677                                         tabular.bottomLineTrim(tabular.cellIndex(sel_row_end, c)));
6678                         }
6679                 }
6680
6681                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6682                         tabular.deleteRow(sel_row_start);
6683                 if (sel_row_start >= tabular.nrows())
6684                         --sel_row_start;
6685                 cur.idx() = tabular.cellIndex(sel_row_start, column);
6686                 cur.pit() = 0;
6687                 cur.pos() = 0;
6688                 cur.selection(false);
6689                 break;
6690
6691         case Tabular::DELETE_COLUMN:
6692                 if (sel_col_end == tabular.ncols() - 1 && sel_col_start != 0) {
6693                         for (row_type r = 0; r < tabular.nrows(); r++)
6694                                 tabular.setRightLine(tabular.cellIndex(r, sel_col_start - 1),
6695                                         tabular.rightLine(tabular.cellIndex(r, sel_col_end)));
6696                 }
6697
6698                 if (sel_col_start == 0 && sel_col_end != tabular.ncols() - 1) {
6699                         for (row_type r = 0; r < tabular.nrows(); r++)
6700                                 tabular.setLeftLine(tabular.cellIndex(r, sel_col_end + 1),
6701                                         tabular.leftLine(tabular.cellIndex(r, 0)));
6702                 }
6703
6704                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6705                         tabular.deleteColumn(sel_col_start);
6706                 if (sel_col_start >= tabular.ncols())
6707                         --sel_col_start;
6708                 cur.idx() = tabular.cellIndex(row, sel_col_start);
6709                 cur.pit() = 0;
6710                 cur.pos() = 0;
6711                 cur.selection(false);
6712                 break;
6713
6714         case Tabular::COPY_ROW:
6715                 tabular.copyRow(row);
6716                 break;
6717
6718         case Tabular::COPY_COLUMN:
6719                 tabular.copyColumn(column);
6720                 cur.idx() = tabular.cellIndex(row, column);
6721                 break;
6722
6723         case Tabular::MOVE_COLUMN_RIGHT:
6724                 tabular.moveColumn(sel_col_start, sel_col_end, Tabular::RIGHT);
6725                 if (cur.selection()) {
6726                         cur.selection(false);
6727                         cur.idx() = tabular.cellIndex(sel_row_start, sel_col_start + 1);
6728                         cur.resetAnchor();
6729                         cur.idx() = tabular.cellIndex(sel_row_end, sel_col_end + 1);
6730                         cur.setSelection();
6731                 } else
6732                         cur.idx() = tabular.cellIndex(row, column + 1);
6733                 break;
6734
6735         case Tabular::MOVE_COLUMN_LEFT:
6736                 tabular.moveColumn(sel_col_start, sel_col_end, Tabular::LEFT);
6737                 if (cur.selection()) {
6738                         cur.selection(false);
6739                         cur.idx() = tabular.cellIndex(sel_row_start, sel_col_start - 1);
6740                         cur.resetAnchor();
6741                         cur.idx() = tabular.cellIndex(sel_row_end, sel_col_end - 1);
6742                         cur.setSelection();
6743                 } else
6744                         cur.idx() = tabular.cellIndex(row, column - 1);
6745                 break;
6746
6747         case Tabular::MOVE_ROW_DOWN:
6748                 tabular.moveRow(sel_row_start, sel_row_end, Tabular::DOWN);
6749                 if (cur.selection()) {
6750                         cur.selection(false);
6751                         cur.idx() = tabular.cellIndex(sel_row_start + 1, sel_col_start);
6752                         cur.resetAnchor();
6753                         cur.idx() = tabular.cellIndex(sel_row_end + 1, sel_col_end);
6754                         cur.setSelection();
6755                 } else
6756                         cur.idx() = tabular.cellIndex(row + 1, column);
6757                 break;
6758
6759         case Tabular::MOVE_ROW_UP:
6760                 tabular.moveRow(sel_row_start, sel_row_end, Tabular::UP);
6761                 if (cur.selection()) {
6762                         cur.selection(false);
6763                         cur.idx() = tabular.cellIndex(sel_row_start - 1, sel_col_start);
6764                         cur.resetAnchor();
6765                         cur.idx() = tabular.cellIndex(sel_row_end - 1, sel_col_end);
6766                         cur.setSelection();
6767                 } else
6768                         cur.idx() = tabular.cellIndex(row - 1, column);
6769                 break;
6770
6771         case Tabular::SET_LINE_TOP:
6772         case Tabular::TOGGLE_LINE_TOP: {
6773                 bool lineSet = (feature == Tabular::SET_LINE_TOP)
6774                                ? (value == "true") : !tabular.topLine(cur.idx());
6775                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6776                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6777                                 tabular.setTopLine(tabular.cellIndex(r, c), lineSet);
6778                 break;
6779         }
6780
6781         case Tabular::SET_LINE_BOTTOM:
6782         case Tabular::TOGGLE_LINE_BOTTOM: {
6783                 bool lineSet = (feature == Tabular::SET_LINE_BOTTOM)
6784                                ? (value == "true") : !tabular.bottomLine(cur.idx());
6785                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6786                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6787                                 tabular.setBottomLine(tabular.cellIndex(r, c), lineSet);
6788                 break;
6789         }
6790
6791         case Tabular::SET_LTRIM_TOP:
6792         case Tabular::TOGGLE_LTRIM_TOP: {
6793                 bool l = (feature == Tabular::SET_LTRIM_TOP)
6794                                ? (value == "true") : !tabular.topLineTrim(cur.idx()).first;
6795                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6796                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6797                                 tabular.setTopLineLTrim(tabular.cellIndex(r, c), l);
6798                 break;
6799         }
6800
6801         case Tabular::SET_RTRIM_TOP:
6802         case Tabular::TOGGLE_RTRIM_TOP: {
6803                 bool l = (feature == Tabular::SET_RTRIM_TOP)
6804                                ? (value == "true") : !tabular.topLineTrim(cur.idx()).second;
6805                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6806                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6807                                 tabular.setTopLineRTrim(tabular.cellIndex(r, c), l);
6808                 break;
6809         }
6810
6811         case Tabular::SET_LTRIM_BOTTOM:
6812         case Tabular::TOGGLE_LTRIM_BOTTOM: {
6813                 bool l = (feature == Tabular::SET_LTRIM_BOTTOM)
6814                                ? (value == "true") : !tabular.bottomLineTrim(cur.idx()).first;
6815                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6816                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6817                                 tabular.setBottomLineLTrim(tabular.cellIndex(r, c), l);
6818                 break;
6819         }
6820
6821         case Tabular::SET_RTRIM_BOTTOM:
6822         case Tabular::TOGGLE_RTRIM_BOTTOM: {
6823                 bool l = (feature == Tabular::SET_RTRIM_BOTTOM)
6824                                ? (value == "true") : !tabular.bottomLineTrim(cur.idx()).second;
6825                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6826                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6827                                 tabular.setBottomLineRTrim(tabular.cellIndex(r, c), l);
6828                 break;
6829         }
6830
6831         case Tabular::SET_LINE_LEFT:
6832         case Tabular::TOGGLE_LINE_LEFT: {
6833                 bool lineSet = (feature == Tabular::SET_LINE_LEFT)
6834                                ? (value == "true") : !tabular.leftLine(cur.idx());
6835                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6836                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6837                                 tabular.setLeftLine(tabular.cellIndex(r, c), lineSet);
6838                 break;
6839         }
6840
6841         case Tabular::SET_LINE_RIGHT:
6842         case Tabular::TOGGLE_LINE_RIGHT: {
6843                 bool lineSet = (feature == Tabular::SET_LINE_RIGHT)
6844                                ? (value == "true") : !tabular.rightLine(cur.idx());
6845                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6846                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6847                                 tabular.setRightLine(tabular.cellIndex(r, c), lineSet);
6848                 break;
6849         }
6850
6851         case Tabular::M_ALIGN_LEFT:
6852         case Tabular::M_ALIGN_RIGHT:
6853         case Tabular::M_ALIGN_CENTER:
6854         case Tabular::ALIGN_LEFT:
6855         case Tabular::ALIGN_RIGHT:
6856         case Tabular::ALIGN_CENTER:
6857         case Tabular::ALIGN_BLOCK:
6858         case Tabular::ALIGN_DECIMAL:
6859                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6860                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6861                                 tabular.setAlignment(tabular.cellIndex(r, c), setAlign,
6862                                 !tabular.getPWidth(c).zero());
6863                 break;
6864
6865         case Tabular::M_VALIGN_TOP:
6866         case Tabular::M_VALIGN_BOTTOM:
6867         case Tabular::M_VALIGN_MIDDLE:
6868                 flag = false;
6869                 // fall through
6870         case Tabular::VALIGN_TOP:
6871         case Tabular::VALIGN_BOTTOM:
6872         case Tabular::VALIGN_MIDDLE:
6873                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6874                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6875                                 tabular.setVAlignment(tabular.cellIndex(r, c), setVAlign, flag);
6876                 break;
6877
6878         case Tabular::SET_MULTICOLUMN: {
6879                 if (!cur.selection()) {
6880                         // just multicol for one single cell
6881                         // check whether we are completely in a multicol
6882                         if (!tabular.isMultiColumn(cur.idx()))
6883                                 tabular.setMultiColumn(cur, cur.idx(), 1,
6884                                         tabular.rightLine(cur.idx()));
6885                         break;
6886                 }
6887                 // we have a selection so this means we just add all these
6888                 // cells to form a multicolumn cell
6889                 idx_type const s_start = cur.selBegin().idx();
6890                 row_type const col_start = tabular.cellColumn(s_start);
6891                 row_type const col_end = tabular.cellColumn(cur.selEnd().idx());
6892                 cur.idx() = tabular.setMultiColumn(cur, s_start, col_end - col_start + 1,
6893                                                    tabular.rightLine(cur.selEnd().idx()));
6894                 cur.pit() = 0;
6895                 cur.pos() = 0;
6896                 cur.selection(false);
6897                 break;
6898         }
6899
6900         case Tabular::UNSET_MULTICOLUMN: {
6901                 if (!cur.selection()) {
6902                         if (tabular.isMultiColumn(cur.idx()))
6903                                 tabular.unsetMultiColumn(cur.idx());
6904                 }
6905                 break;
6906         }
6907
6908         case Tabular::MULTICOLUMN: {
6909                 if (!cur.selection()) {
6910                         if (tabular.isMultiColumn(cur.idx()))
6911                                 tabularFeatures(cur, Tabular::UNSET_MULTICOLUMN);
6912                         else
6913                                 tabularFeatures(cur, Tabular::SET_MULTICOLUMN);
6914                         break;
6915                 }
6916                 bool merge = false;
6917                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6918                         row_type const r = sel_row_start;
6919                         if (!tabular.isMultiColumn(tabular.cellIndex(r, c))
6920                             || (r > sel_row_start && !tabular.isPartOfMultiColumn(r, c)))
6921                                 merge = true;
6922                 }
6923                 // If the selection contains at least one singlecol cell
6924                 // or multiple multicol cells,
6925                 // we assume the user will merge is to a single multicol
6926                 if (merge)
6927                         tabularFeatures(cur, Tabular::SET_MULTICOLUMN);
6928                 else
6929                         tabularFeatures(cur, Tabular::UNSET_MULTICOLUMN);
6930                 break;
6931         }
6932
6933         case Tabular::SET_MULTIROW: {
6934                 if (!cur.selection()) {
6935                         // just multirow for one single cell
6936                         // check whether we are completely in a multirow
6937                         if (!tabular.isMultiRow(cur.idx()))
6938                                 tabular.setMultiRow(cur, cur.idx(), 1,
6939                                                     tabular.bottomLine(cur.idx()),
6940                                                     tabular.getAlignment(cur.idx()));
6941                         break;
6942                 }
6943                 // we have a selection so this means we just add all this
6944                 // cells to form a multirow cell
6945                 idx_type const s_start = cur.selBegin().idx();
6946                 row_type const row_start = tabular.cellRow(s_start);
6947                 row_type const row_end = tabular.cellRow(cur.selEnd().idx());
6948                 cur.idx() = tabular.setMultiRow(cur, s_start, row_end - row_start + 1,
6949                                                 tabular.bottomLine(cur.selEnd().idx()),
6950                                                 tabular.getAlignment(cur.selEnd().idx()));
6951                 cur.pit() = 0;
6952                 cur.pos() = 0;
6953                 cur.selection(false);
6954                 break;
6955         }
6956
6957         case Tabular::UNSET_MULTIROW: {
6958                 if (!cur.selection()) {
6959                         if (tabular.isMultiRow(cur.idx()))
6960                                 tabular.unsetMultiRow(cur.idx());
6961                 }
6962                 break;
6963         }
6964
6965         case Tabular::MULTIROW: {
6966                 if (!cur.selection()) {
6967                         if (tabular.isMultiRow(cur.idx()))
6968                                 tabularFeatures(cur, Tabular::UNSET_MULTIROW);
6969                         else
6970                                 tabularFeatures(cur, Tabular::SET_MULTIROW);
6971                         break;
6972                 }
6973                 bool merge = false;
6974                 for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6975                         col_type const c = sel_col_start;
6976                         if (!tabular.isMultiRow(tabular.cellIndex(r, c))
6977                             || (r > sel_row_start && !tabular.isPartOfMultiRow(r, c)))
6978                                 merge = true;
6979                 }
6980                 // If the selection contains at least one singlerow cell
6981                 // or multiple multirow cells,
6982                 // we assume the user will merge is to a single multirow
6983                 if (merge)
6984                         tabularFeatures(cur, Tabular::SET_MULTIROW);
6985                 else
6986                         tabularFeatures(cur, Tabular::UNSET_MULTIROW);
6987                 break;
6988         }
6989
6990         case Tabular::TOGGLE_INNER_LINES:
6991                 toggle = true;
6992                 // fall through
6993         case Tabular::SET_INNER_LINES:
6994                 if (toggle)
6995                         setLines = !tabular.innerBorders(sel_row_start, sel_row_end,
6996                                                                                      sel_col_start, sel_col_end);
6997                 else
6998                         setLines = true;
6999                 tabular.setLines(sel_row_start, sel_row_end,
7000                                                  sel_col_start, sel_col_end,
7001                                                  true, setLines);
7002                 break;
7003
7004         case Tabular::TOGGLE_ALL_LINES:
7005                 toggle = true;
7006                 // fall through
7007         case Tabular::SET_ALL_LINES:
7008                 if (toggle)
7009                         setLines = !tabular.innerBorders(sel_row_start, sel_row_end,
7010                                                                                      sel_col_start, sel_col_end)
7011                                         || !tabular.outsideBorders(sel_row_start, sel_row_end,
7012                                                                                        sel_col_start, sel_col_end);
7013                 else
7014                         setLines = true;
7015                 // fall through
7016         case Tabular::UNSET_ALL_LINES:
7017                 tabular.setLines(sel_row_start, sel_row_end,
7018                                                  sel_col_start, sel_col_end,
7019                                                  false, setLines);
7020                 break;
7021
7022         case Tabular::RESET_FORMAL_DEFAULT:
7023                 for (row_type r = 0; r < tabular.nrows(); ++r) {
7024                         bool const head_or_foot = r == 0 || r == tabular.nrows() - 1;
7025                         for (col_type c = 0; c < tabular.ncols(); ++c) {
7026                                 idx_type const cell = tabular.cellIndex(r, c);
7027                                 tabular.setTopLine(cell, head_or_foot);
7028                                 tabular.setBottomLine(cell, head_or_foot);
7029                         }
7030                 }
7031                 break;
7032
7033         case Tabular::TOGGLE_BORDER_LINES:
7034                 toggle = true;
7035                 // fall through
7036         case Tabular::SET_BORDER_LINES: {
7037                 bool const border = toggle &&
7038                                 tabular.outsideBorders(sel_row_start, sel_row_end,
7039                                                                            sel_col_start, sel_col_end)
7040                                 ? false : true;
7041                 for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7042                         tabular.setLeftLine(tabular.cellIndex(r, sel_col_start), border);
7043                         tabular.setRightLine(tabular.cellIndex(r, sel_col_end), border);
7044                 }
7045                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
7046                         tabular.setTopLine(tabular.cellIndex(sel_row_start, c), border);
7047                         tabular.setBottomLine(tabular.cellIndex(sel_row_end, c), border);
7048                 }
7049                 break;
7050         }
7051
7052         case Tabular::TOGGLE_LONGTABULAR:
7053                 if (tabular.is_long_tabular)
7054                         tabularFeatures(cur, Tabular::UNSET_LONGTABULAR);
7055                 else
7056                         tabular.is_long_tabular = true;
7057                 break;
7058
7059         case Tabular::SET_LONGTABULAR:
7060                 tabular.is_long_tabular = true;
7061                 break;
7062
7063         case Tabular::UNSET_LONGTABULAR:
7064                 for (row_type r = 0; r < tabular.nrows(); ++r) {
7065                         if (tabular.ltCaption(r)) {
7066                                 cur.idx() = tabular.cellIndex(r, 0);
7067                                 cur.pit() = 0;
7068                                 cur.pos() = 0;
7069                                 tabularFeatures(cur, Tabular::TOGGLE_LTCAPTION);
7070                         }
7071                 }
7072                 tabular.is_long_tabular = false;
7073                 break;
7074
7075         case Tabular::SET_ROTATE_TABULAR:
7076                 tabular.rotate = convert<int>(value);
7077                 break;
7078
7079         case Tabular::UNSET_ROTATE_TABULAR:
7080                 tabular.rotate = 0;
7081                 break;
7082
7083         case Tabular::TOGGLE_ROTATE_TABULAR:
7084                 // when pressing the rotate button we default to 90° rotation
7085                 tabular.rotate != 0 ? tabular.rotate = 0 : tabular.rotate = 90;
7086                 break;
7087
7088         case Tabular::TABULAR_VALIGN_TOP:
7089                 tabular.tabular_valignment = Tabular::LYX_VALIGN_TOP;
7090                 break;
7091
7092         case Tabular::TABULAR_VALIGN_MIDDLE:
7093                 tabular.tabular_valignment = Tabular::LYX_VALIGN_MIDDLE;
7094                 break;
7095
7096         case Tabular::TABULAR_VALIGN_BOTTOM:
7097                 tabular.tabular_valignment = Tabular::LYX_VALIGN_BOTTOM;
7098                 break;
7099
7100         case Tabular::LONGTABULAR_ALIGN_LEFT:
7101                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_LEFT;
7102                 break;
7103
7104         case Tabular::LONGTABULAR_ALIGN_CENTER:
7105                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_CENTER;
7106                 break;
7107
7108         case Tabular::LONGTABULAR_ALIGN_RIGHT:
7109                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_RIGHT;
7110                 break;
7111
7112         case Tabular::SET_ROTATE_CELL:
7113                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7114                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
7115                                 tabular.setRotateCell(tabular.cellIndex(r, c), convert<int>(value));
7116                 break;
7117
7118         case Tabular::UNSET_ROTATE_CELL:
7119                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7120                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
7121                                 tabular.setRotateCell(tabular.cellIndex(r, c), 0);
7122                 break;
7123
7124         case Tabular::TOGGLE_ROTATE_CELL:
7125                 {
7126                 bool oneNotRotated = oneCellHasRotationState(false,
7127                         sel_row_start, sel_row_end, sel_col_start, sel_col_end);
7128
7129                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7130                         for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
7131                                 // when pressing the rotate cell button we default to 90° rotation
7132                                 if (oneNotRotated)
7133                                         tabular.setRotateCell(tabular.cellIndex(r, c), 90);
7134                                 else
7135                                         tabular.setRotateCell(tabular.cellIndex(r, c), 0);
7136                         }
7137                 }
7138                 break;
7139
7140         case Tabular::SET_USEBOX: {
7141                 Tabular::BoxType val = Tabular::BoxType(convert<int>(value));
7142                 if (val == tabular.getUsebox(cur.idx()))
7143                         val = Tabular::BOX_NONE;
7144                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7145                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
7146                                 tabular.setUsebox(tabular.cellIndex(r, c), val);
7147                 break;
7148         }
7149
7150         case Tabular::UNSET_LTFIRSTHEAD:
7151                 flag = false;
7152                 // fall through
7153         case Tabular::SET_LTFIRSTHEAD:
7154                 tabular.getRowOfLTFirstHead(row, ltt);
7155                 checkLongtableSpecial(ltt, value, flag);
7156                 tabular.setLTHead(row, flag, ltt, true);
7157                 break;
7158
7159         case Tabular::UNSET_LTHEAD:
7160                 flag = false;
7161                 // fall through
7162         case Tabular::SET_LTHEAD:
7163                 tabular.getRowOfLTHead(row, ltt);
7164                 checkLongtableSpecial(ltt, value, flag);
7165                 tabular.setLTHead(row, flag, ltt, false);
7166                 break;
7167
7168         case Tabular::UNSET_LTFOOT:
7169                 flag = false;
7170                 // fall through
7171         case Tabular::SET_LTFOOT:
7172                 tabular.getRowOfLTFoot(row, ltt);
7173                 checkLongtableSpecial(ltt, value, flag);
7174                 tabular.setLTFoot(row, flag, ltt, false);
7175                 break;
7176
7177         case Tabular::UNSET_LTLASTFOOT:
7178                 flag = false;
7179                 // fall through
7180         case Tabular::SET_LTLASTFOOT:
7181                 tabular.getRowOfLTLastFoot(row, ltt);
7182                 checkLongtableSpecial(ltt, value, flag);
7183                 tabular.setLTFoot(row, flag, ltt, true);
7184                 break;
7185
7186         case Tabular::UNSET_LTNEWPAGE:
7187                 flag = false;
7188                 // fall through
7189         case Tabular::SET_LTNEWPAGE:
7190                 tabular.setLTNewPage(row, flag);
7191                 break;
7192
7193         case Tabular::SET_LTCAPTION: {
7194                 if (tabular.ltCaption(row))
7195                         break;
7196                 cur.idx() = tabular.setLTCaption(cur, row, true);
7197                 cur.pit() = 0;
7198                 cur.pos() = 0;
7199                 cur.selection(false);
7200                 // If a row is set as caption, then also insert
7201                 // a caption. Otherwise the LaTeX output is broken.
7202                 // Select cell if it is non-empty
7203                 if (cur.lastpos() > 0 || cur.lastpit() > 0)
7204                         lyx::dispatch(FuncRequest(LFUN_INSET_SELECT_ALL));
7205                 lyx::dispatch(FuncRequest(LFUN_CAPTION_INSERT));
7206                 break;
7207         }
7208
7209         case Tabular::UNSET_LTCAPTION: {
7210                 if (!tabular.ltCaption(row))
7211                         break;
7212                 cur.idx() = tabular.setLTCaption(cur, row, false);
7213                 cur.pit() = 0;
7214                 cur.pos() = 0;
7215                 cur.selection(false);
7216                 FuncRequest fr(LFUN_INSET_DISSOLVE, "caption");
7217                 if (lyx::getStatus(fr).enabled())
7218                         lyx::dispatch(fr);
7219                 break;
7220         }
7221
7222         case Tabular::TOGGLE_LTCAPTION: {
7223                 if (tabular.ltCaption(row))
7224                         tabularFeatures(cur, Tabular::UNSET_LTCAPTION);
7225                 else
7226                         tabularFeatures(cur, Tabular::SET_LTCAPTION);
7227                 break;
7228         }
7229
7230         case Tabular::TOGGLE_BOOKTABS:
7231                 tabular.use_booktabs = !tabular.use_booktabs;
7232                 break;
7233
7234         case Tabular::SET_BOOKTABS:
7235                 tabular.use_booktabs = true;
7236                 break;
7237
7238         case Tabular::UNSET_BOOKTABS:
7239                 tabular.use_booktabs = false;
7240                 break;
7241
7242         case Tabular::SET_TOP_SPACE: {
7243                 Length len;
7244                 if (value == "default")
7245                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7246                                 tabular.row_info[r].top_space_default = true;
7247                 else if (value == "none")
7248                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7249                                 tabular.row_info[r].top_space_default = false;
7250                                 tabular.row_info[r].top_space = len;
7251                         }
7252                 else if (isValidLength(value, &len))
7253                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7254                                 tabular.row_info[r].top_space_default = false;
7255                                 tabular.row_info[r].top_space = len;
7256                         }
7257                 break;
7258         }
7259
7260         case Tabular::SET_BOTTOM_SPACE: {
7261                 Length len;
7262                 if (value == "default")
7263                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7264                                 tabular.row_info[r].bottom_space_default = true;
7265                 else if (value == "none")
7266                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7267                                 tabular.row_info[r].bottom_space_default = false;
7268                                 tabular.row_info[r].bottom_space = len;
7269                         }
7270                 else if (isValidLength(value, &len))
7271                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7272                                 tabular.row_info[r].bottom_space_default = false;
7273                                 tabular.row_info[r].bottom_space = len;
7274                         }
7275                 break;
7276         }
7277
7278         case Tabular::SET_INTERLINE_SPACE: {
7279                 Length len;
7280                 if (value == "default")
7281                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7282                                 tabular.row_info[r].interline_space_default = true;
7283                 else if (value == "none")
7284                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7285                                 tabular.row_info[r].interline_space_default = false;
7286                                 tabular.row_info[r].interline_space = len;
7287                         }
7288                 else if (isValidLength(value, &len))
7289                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7290                                 tabular.row_info[r].interline_space_default = false;
7291                                 tabular.row_info[r].interline_space = len;
7292                         }
7293                 break;
7294         }
7295
7296         case Tabular::SET_DECIMAL_POINT:
7297                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
7298                         tabular.column_info[c].decimal_point = from_utf8(value);
7299                 break;
7300
7301         // dummy stuff just to avoid warnings
7302         case Tabular::LAST_ACTION:
7303                 break;
7304         }
7305 }
7306
7307
7308 bool InsetTabular::copySelection(Cursor & cur)
7309 {
7310         if (!cur.selection())
7311                 return false;
7312
7313         row_type rs, re;
7314         col_type cs, ce;
7315         getSelection(cur, rs, re, cs, ce);
7316
7317         paste_tabular.reset(new Tabular(tabular));
7318
7319         for (row_type r = 0; r < rs; ++r)
7320                 paste_tabular->deleteRow(0, true);
7321
7322         row_type const rows = re - rs + 1;
7323         while (paste_tabular->nrows() > rows)
7324                 paste_tabular->deleteRow(rows, true);
7325
7326         for (col_type c = 0; c < cs; ++c)
7327                 paste_tabular->deleteColumn(0, true);
7328
7329         col_type const columns = ce - cs + 1;
7330         while (paste_tabular->ncols() > columns)
7331                 paste_tabular->deleteColumn(columns, true);
7332
7333         paste_tabular->setBuffer(tabular.buffer());
7334
7335         odocstringstream os;
7336         OutputParams const runparams(nullptr);
7337         paste_tabular->plaintext(os, runparams, 0, true, '\t', INT_MAX);
7338         // Needed for the "Edit->Paste recent" menu and the system clipboard.
7339         cap::copySelection(cur, os.str());
7340
7341         // mark tabular stack dirty
7342         // FIXME: this is a workaround for bug 1919. Should be removed for 1.5,
7343         // when we (hopefully) have a one-for-all paste mechanism.
7344         // This must be called after cap::copySelection.
7345         dirtyTabularStack(true);
7346
7347         return true;
7348 }
7349
7350
7351 bool InsetTabular::pasteClipboard(Cursor & cur)
7352 {
7353         if (!paste_tabular)
7354                 return false;
7355         col_type actcol = tabular.cellColumn(cur.idx());
7356         row_type actrow = tabular.cellRow(cur.idx());
7357
7358         if (cur.selIsMultiCell()) {
7359                 row_type re;
7360                 col_type ce;
7361                 getSelection(cur, actrow, re, actcol, ce);
7362         }
7363
7364         col_type const oldncols = tabular.ncols();
7365         for (row_type r1 = 0, r2 = actrow; r1 < paste_tabular->nrows(); ++r1, ++r2) {
7366                 // Append rows if needed
7367                 if (r2 == tabular.nrows())
7368                         tabular.insertRow(r2 - 1, false);
7369                 for (col_type c1 = 0, c2 = actcol; c1 < paste_tabular->ncols(); ++c1, ++c2) {
7370                         // Append columns if needed
7371                         if (c2 == tabular.ncols())
7372                                 tabular.insertColumn(c2 - 1, false);
7373                         if (paste_tabular->isPartOfMultiColumn(r1, c1) &&
7374                               tabular.isPartOfMultiColumn(r2, c2))
7375                                 continue;
7376                         if (paste_tabular->isPartOfMultiColumn(r1, c1)) {
7377                                 --c2;
7378                                 continue;
7379                         }
7380                         if (tabular.isPartOfMultiColumn(r2, c2)) {
7381                                 --c1;
7382                                 continue;
7383                         }
7384                         shared_ptr<InsetTableCell> inset(
7385                                 new InsetTableCell(*paste_tabular->cellInset(r1, c1)));
7386                         tabular.setCellInset(r2, c2, inset);
7387                         // FIXME?: why do we need to do this explicitly? (EL)
7388                         tabular.cellInset(r2, c2)->setBuffer(tabular.buffer());
7389
7390                         if (lyxrc.ct_markup_copied) {
7391                                 // Only change to inserted if ct is active,
7392                                 // otherwise leave markup as is
7393                                 if (buffer().params().track_changes)
7394                                         inset->setChange(Change(Change::INSERTED));
7395                         } else
7396                                 // Resolve all markup to inserted or unchanged
7397                                 inset->setChange(Change(buffer().params().track_changes ?
7398                                                          Change::INSERTED : Change::UNCHANGED));
7399                         cur.pos() = 0;
7400                         cur.pit() = 0;
7401                 }
7402         }
7403         // amend cursor position if cols have been appended
7404         cur.idx() += actrow * (tabular.ncols() - oldncols);
7405         return true;
7406 }
7407
7408
7409 void InsetTabular::cutSelection(Cursor & cur)
7410 {
7411         if (!cur.selection())
7412                 return;
7413
7414         row_type rs, re;
7415         col_type cs, ce;
7416         getSelection(cur, rs, re, cs, ce);
7417         for (row_type r = rs; r <= re; ++r) {
7418                 for (col_type c = cs; c <= ce; ++c) {
7419                         shared_ptr<InsetTableCell> t
7420                                 = cell(tabular.cellIndex(r, c));
7421                         if (buffer().params().track_changes)
7422                                 // FIXME: Change tracking (MG)
7423                                 t->setChange(Change(Change::DELETED));
7424                         else
7425                                 t->clear();
7426                 }
7427         }
7428
7429         // cursor position might be invalid now
7430         if (cur.pit() > cur.lastpit())
7431                 cur.pit() = cur.lastpit();
7432         if (cur.pos() > cur.lastpos())
7433                 cur.pos() = cur.lastpos();
7434         cur.clearSelection();
7435 }
7436
7437
7438 bool InsetTabular::isRightToLeft(Cursor & cur) const
7439 {
7440         // LASSERT: It might be better to abandon this Buffer.
7441         LASSERT(cur.depth() > 1, return false);
7442         Paragraph const & parentpar = cur[cur.depth() - 2].paragraph();
7443         pos_type const parentpos = cur[cur.depth() - 2].pos();
7444         return parentpar.getFontSettings(buffer().params(),
7445                                          parentpos).language()->rightToLeft();
7446 }
7447
7448
7449 docstring InsetTabular::asString(idx_type stidx, idx_type enidx,
7450                                  bool intoInsets)
7451 {
7452         LASSERT(stidx <= enidx, return docstring());
7453         docstring retval;
7454         col_type const col1 = tabular.cellColumn(stidx);
7455         col_type const col2 = tabular.cellColumn(enidx);
7456         row_type const row1 = tabular.cellRow(stidx);
7457         row_type const row2 = tabular.cellRow(enidx);
7458         bool first = true;
7459         for (col_type col = col1; col <= col2; col++)
7460                 for (row_type row = row1; row <= row2; row++) {
7461                         if (!first)
7462                                 retval += "\n";
7463                         else
7464                                 first = false;
7465                         retval += tabular.cellInset(row, col)->asString(intoInsets);
7466                 }
7467         return retval;
7468 }
7469
7470
7471 ParagraphList InsetTabular::asParList(idx_type stidx, idx_type enidx)
7472 {
7473         LASSERT(stidx <= enidx, return ParagraphList());
7474         ParagraphList retval;
7475         col_type const col1 = tabular.cellColumn(stidx);
7476         col_type const col2 = tabular.cellColumn(enidx);
7477         row_type const row1 = tabular.cellRow(stidx);
7478         row_type const row2 = tabular.cellRow(enidx);
7479         for (col_type col = col1; col <= col2; col++)
7480                 for (row_type row = row1; row <= row2; row++)
7481                         for (auto const & par : tabular.cellInset(row, col)->paragraphs())
7482                                 retval.push_back(par);
7483         return retval;
7484 }
7485
7486
7487 void InsetTabular::getSelection(Cursor & cur,
7488         row_type & rs, row_type & re, col_type & cs, col_type & ce) const
7489 {
7490         CursorSlice const & beg = cur.selBegin();
7491         CursorSlice const & end = cur.selEnd();
7492         cs = tabular.cellColumn(beg.idx());
7493         ce = tabular.cellColumn(end.idx());
7494         if (cs > ce)
7495                 swap(cs, ce);
7496
7497         rs = tabular.cellRow(beg.idx());
7498         re = tabular.cellRow(end.idx());
7499         if (rs > re)
7500                 swap(rs, re);
7501 }
7502
7503
7504 Text * InsetTabular::getText(int idx) const
7505 {
7506         return size_t(idx) < nargs() ? cell(idx)->getText(0) : nullptr;
7507 }
7508
7509
7510 bool InsetTabular::isChanged() const
7511 {
7512         for (idx_type idx = 0; idx < nargs(); ++idx) {
7513                 if (cell(idx)->isChanged())
7514                         return true;
7515                 if (tabular.row_info[tabular.cellRow(idx)].change.changed())
7516                         return true;
7517                 if (tabular.column_info[tabular.cellColumn(idx)].change.changed())
7518                         return true;
7519         }
7520         return false;
7521 }
7522
7523
7524 void InsetTabular::setChange(Change const & change)
7525 {
7526         for (idx_type idx = 0; idx < nargs(); ++idx)
7527                 cell(idx)->setChange(change);
7528 }
7529
7530
7531 void InsetTabular::acceptChanges()
7532 {
7533         for (idx_type idx = 0; idx < nargs(); ++idx)
7534                 cell(idx)->acceptChanges();
7535         for (row_type row = 0; row < tabular.nrows(); ++row) {
7536                 if (tabular.row_info[row].change.inserted())
7537                         tabular.row_info[row].change.setUnchanged();
7538                 else if (tabular.row_info[row].change.deleted())
7539                         tabular.deleteRow(row, true);
7540         }
7541         for (col_type col = 0; col < tabular.ncols(); ++col) {
7542                 if (tabular.column_info[col].change.inserted())
7543                         tabular.column_info[col].change.setUnchanged();
7544                 else if (tabular.column_info[col].change.deleted())
7545                         tabular.deleteColumn(col, true);
7546         }
7547         tabular.updateIndexes();
7548 }
7549
7550
7551 void InsetTabular::rejectChanges()
7552 {
7553         for (idx_type idx = 0; idx < nargs(); ++idx)
7554                 cell(idx)->rejectChanges();
7555         for (row_type row = 0; row < tabular.nrows(); ++row) {
7556                 if (tabular.row_info[row].change.deleted())
7557                         tabular.row_info[row].change.setUnchanged();
7558                 else if (tabular.row_info[row].change.inserted())
7559                         tabular.deleteRow(row, true);
7560         }
7561         for (col_type col = 0; col < tabular.ncols(); ++col) {
7562                 if (tabular.column_info[col].change.deleted())
7563                         tabular.column_info[col].change.setUnchanged();
7564                 else if (tabular.column_info[col].change.inserted())
7565                         tabular.deleteColumn(col, true);
7566         }
7567         tabular.updateIndexes();
7568 }
7569
7570
7571 bool InsetTabular::allowParagraphCustomization(idx_type cell) const
7572 {
7573         return tabular.getPWidth(cell).zero();
7574 }
7575
7576
7577 bool InsetTabular::insertPlaintextString(BufferView & bv, docstring const & buf,
7578                                      bool usePaste)
7579 {
7580         if (buf.length() <= 0)
7581                 return true;
7582
7583         col_type cols = 1;
7584         row_type rows = 1;
7585         col_type maxCols = 1;
7586         size_t const len = buf.length();
7587         size_t p = 0;
7588
7589         while (p < len &&
7590                (p = buf.find_first_of(from_ascii("\t\n"), p)) != docstring::npos) {
7591                 switch (buf[p]) {
7592                 case '\t':
7593                         ++cols;
7594                         break;
7595                 case '\n':
7596                         if (p + 1 < len)
7597                                 ++rows;
7598                         maxCols = max(cols, maxCols);
7599                         cols = 1;
7600                         break;
7601                 }
7602                 ++p;
7603         }
7604         maxCols = max(cols, maxCols);
7605         Tabular * loctab;
7606         idx_type cell = 0;
7607         col_type ocol = 0;
7608         row_type row = 0;
7609         if (usePaste) {
7610                 paste_tabular.reset(new Tabular(buffer_, rows, maxCols));
7611                 loctab = paste_tabular.get();
7612                 dirtyTabularStack(true);
7613         } else {
7614                 loctab = &tabular;
7615                 cell = bv.cursor().idx();
7616                 ocol = tabular.cellColumn(cell);
7617                 row = tabular.cellRow(cell);
7618         }
7619
7620         size_t op = 0;
7621         idx_type cells = loctab->numberofcells;
7622         p = 0;
7623         cols = ocol;
7624         rows = loctab->nrows();
7625         col_type columns = loctab->ncols();
7626
7627         while (p < len &&
7628                (p = buf.find_first_of(from_ascii("\t\n"), p)) != docstring::npos)
7629         {
7630                 if (p >= len)
7631                         break;
7632                 switch (buf[p]) {
7633                 case '\t':
7634                         // append column if necessary
7635                         if (cols == columns) {
7636                                 loctab->appendColumn(cols - 1);
7637                                 columns = loctab->ncols();
7638                                 cells = loctab->numberofcells;
7639                                 ++cell;
7640                         }
7641                         if (cols < columns) {
7642                                 shared_ptr<InsetTableCell> inset = loctab->cellInset(cell);
7643                                 Font const font = bv.textMetrics(&inset->text()).
7644                                         displayFont(0, 0);
7645                                 inset->setText(buf.substr(op, p - op), font,
7646                                                buffer().params().track_changes);
7647                                 ++cols;
7648                                 ++cell;
7649                         }
7650                         break;
7651                 case '\n':
7652                         // we can only set this if we are not too far right
7653                         if (cols < columns) {
7654                                 shared_ptr<InsetTableCell> inset = tabular.cellInset(cell);
7655                                 Font const font = bv.textMetrics(&inset->text()).
7656                                         displayFont(0, 0);
7657                                 inset->setText(buf.substr(op, p - op), font,
7658                                                buffer().params().track_changes);
7659                         }
7660                         cols = ocol;
7661                         ++row;
7662                         // append row if necessary
7663                         if (row == rows && p < len - 1) {
7664                                 loctab->appendRow(row - 1);
7665                                 rows = loctab->nrows();
7666                                 cells = loctab->numberofcells;
7667                         }
7668                         if (row < rows)
7669                                 cell = loctab->cellIndex(row, cols);
7670                         break;
7671                 }
7672                 ++p;
7673                 op = p;
7674         }
7675         // check for the last cell if there is no trailing '\n'
7676         if (cell < cells && op < len) {
7677                 shared_ptr<InsetTableCell> inset = loctab->cellInset(cell);
7678                 Font const font = bv.textMetrics(&inset->text()).displayFont(0, 0);
7679                 inset->setText(buf.substr(op, len - op), font,
7680                         buffer().params().track_changes);
7681         }
7682         return true;
7683 }
7684
7685
7686 void InsetTabular::addPreview(DocIterator const & inset_pos,
7687         PreviewLoader & loader) const
7688 {
7689         DocIterator cell_pos = inset_pos;
7690
7691         cell_pos.push_back(CursorSlice(*const_cast<InsetTabular *>(this)));
7692         for (row_type r = 0; r < tabular.nrows(); ++r) {
7693                 for (col_type c = 0; c < tabular.ncols(); ++c) {
7694                         cell_pos.top().idx() = tabular.cellIndex(r, c);
7695                         tabular.cellInset(r, c)->addPreview(cell_pos, loader);
7696                 }
7697         }
7698 }
7699
7700
7701 bool InsetTabular::completionSupported(Cursor const & cur) const
7702 {
7703         Cursor const & bvCur = cur.bv().cursor();
7704         if (&bvCur.inset() != this)
7705                 return false;
7706         return cur.text()->completionSupported(cur);
7707 }
7708
7709
7710 bool InsetTabular::inlineCompletionSupported(Cursor const & cur) const
7711 {
7712         return completionSupported(cur);
7713 }
7714
7715
7716 bool InsetTabular::automaticInlineCompletion() const
7717 {
7718         return lyxrc.completion_inline_text;
7719 }
7720
7721
7722 bool InsetTabular::automaticPopupCompletion() const
7723 {
7724         return lyxrc.completion_popup_text;
7725 }
7726
7727
7728 bool InsetTabular::showCompletionCursor() const
7729 {
7730         return lyxrc.completion_cursor_text &&
7731                 (lyxrc.completion_inline_text || lyxrc.completion_popup_text);
7732 }
7733
7734
7735 CompletionList const * InsetTabular::createCompletionList(Cursor const & cur) const
7736 {
7737         return completionSupported(cur) ? cur.text()->createCompletionList(cur) : nullptr;
7738 }
7739
7740
7741 docstring InsetTabular::completionPrefix(Cursor const & cur) const
7742 {
7743         if (!completionSupported(cur))
7744                 return docstring();
7745         return cur.text()->completionPrefix(cur);
7746 }
7747
7748
7749 bool InsetTabular::insertCompletion(Cursor & cur, docstring const & s, bool finished)
7750 {
7751         if (!completionSupported(cur))
7752                 return false;
7753
7754         return cur.text()->insertCompletion(cur, s, finished);
7755 }
7756
7757
7758 void InsetTabular::completionPosAndDim(Cursor const & cur, int & x, int & y,
7759                                     Dimension & dim) const
7760 {
7761         TextMetrics const & tm = cur.bv().textMetrics(cur.text());
7762         tm.completionPosAndDim(cur, x, y, dim);
7763 }
7764
7765
7766 void InsetTabular::string2params(string const & in, InsetTabular & inset)
7767 {
7768         istringstream data(in);
7769         Lexer lex;
7770         lex.setStream(data);
7771
7772         if (in.empty())
7773                 return;
7774
7775         string token;
7776         lex >> token;
7777         if (!lex || token != "tabular") {
7778                 LYXERR0("Expected arg 1 to be \"tabular\" in " << in);
7779                 return;
7780         }
7781
7782         // This is part of the inset proper that is usually swallowed
7783         // by Buffer::readInset
7784         lex >> token;
7785         if (!lex || token != "Tabular") {
7786                 LYXERR0("Expected arg 2 to be \"Tabular\" in " << in);
7787                 return;
7788         }
7789
7790         inset.read(lex);
7791 }
7792
7793
7794 string InsetTabular::params2string(InsetTabular const & inset)
7795 {
7796         ostringstream data;
7797         data << "tabular" << ' ';
7798         inset.write(data);
7799         data << "\\end_inset\n";
7800         return data.str();
7801 }
7802
7803
7804 void InsetTabular::setLayoutForHiddenCells(DocumentClass const & dc)
7805 {
7806         for (col_type c = 0; c < tabular.ncols(); ++c) {
7807                 for (row_type r = 0; r < tabular.nrows(); ++r) {
7808                         if (!tabular.isPartOfMultiColumn(r,c) &&
7809                             !tabular.isPartOfMultiRow(r,c))
7810                                 continue;
7811
7812                         ParagraphList & parlist = tabular.cellInset(r,c)->paragraphs();
7813                         ParagraphList::iterator it = parlist.begin();
7814                         ParagraphList::iterator const en = parlist.end();
7815                         for (; it != en; ++it)
7816                                         it->setLayout(dc.plainLayout());
7817                 }
7818         }
7819 }
7820
7821
7822 } // namespace lyx