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
3658 docstring Tabular::xmlRow(XMLStream & xs, row_type row, OutputParams const & runparams,
3659         bool header, bool is_xhtml, BufferParams::TableOutput docbook_table_output) const
3660 {
3661         docstring ret;
3662         const bool is_xhtml_table = is_xhtml || docbook_table_output == BufferParams::TableOutput::HTMLTable;
3663
3664         std::string const row_tag = is_xhtml_table ? "tr" : "row";
3665         std::string const cell_tag = is_xhtml_table ? (header ? "th" : "td") : "entry";
3666         idx_type cell = getFirstCellInRow(row);
3667
3668         xs << xml::StartTag(row_tag);
3669         xs << xml::CR();
3670         for (col_type c = 0; c < ncols(); ++c) {
3671                 if (isPartOfMultiColumn(row, c) || isPartOfMultiRow(row, c))
3672                         continue;
3673
3674                 stringstream attr;
3675
3676                 if (is_xhtml_table) {
3677                         Length const cwidth = column_info[c].p_width;
3678                         if (!cwidth.zero()) {
3679                                 string const hwidth = cwidth.asHTMLString();
3680                                 attr << "style='width: " << hwidth << ";' ";
3681                         }
3682                 }
3683
3684                 attr << getHAlignAsXmlAttribute(cell, false) << " " << getVAlignAsXmlAttribute(cell);
3685
3686                 if (isMultiColumn(cell))
3687                         attr << " colspan='" << columnSpan(cell) << "'";
3688                 else if (isMultiRow(cell))
3689                         attr << " rowspan='" << rowSpan(cell) << "'";
3690                 else if (!is_xhtml && docbook_table_output == BufferParams::TableOutput::CALSTable)
3691                         attr << " colname='c" << (c + 1) << "'"; // CALS column numbering starts at 1.
3692
3693                 // All cases where there should be a line *below* this row.
3694                 if (!is_xhtml && docbook_table_output == BufferParams::TableOutput::CALSTable && row_info[row].bottom_space_default)
3695                         attr << " rowsep='1'";
3696
3697                 // Render the cell as either XHTML or DocBook.
3698                 xs << xml::StartTag(cell_tag, attr.str(), true);
3699                 if (is_xhtml) {
3700                         ret += cellInset(cell)->xhtml(xs, runparams);
3701                 } else {
3702                         // DocBook: no return value for this function.
3703                         OutputParams rp = runparams;
3704                         rp.docbook_in_par = false;
3705                         rp.docbook_force_pars = true;
3706                         cellInset(cell)->docbook(xs, rp);
3707                 }
3708                 xs << xml::EndTag(cell_tag);
3709                 xs << xml::CR();
3710                 ++cell;
3711         }
3712         xs << xml::EndTag(row_tag);
3713         xs << xml::CR();
3714
3715         return ret;
3716 }
3717
3718
3719 void Tabular::docbook(XMLStream & xs, OutputParams const & runparams) const
3720 {
3721         // Some tables are inline. Likely limitation: cannot output a table within a table; is that really a limitation?
3722         if (!runparams.docbook_in_table) { // Check on the *outer* set of parameters, so that the table can be closed
3723                 // properly at the end of this function.
3724                 xs << xml::StartTag("informaltable");
3725                 xs << xml::CR();
3726         }
3727
3728         // "Formal" tables have a title and use the tag <table>; the distinction with <informaltable> is done outside.
3729         // HTML has the caption first with titles forbidden, and CALS has a title first.
3730         if (haveLTCaption()) {
3731                 std::string tag = ((buffer().params().docbook_table_output) == BufferParams::HTMLTable) ? "caption" : "title";
3732
3733                 xs << xml::StartTag(tag);
3734                 for (row_type r = 0; r < nrows(); ++r)
3735                         if (row_info[r].caption)
3736                                 xmlRow(xs, r, runparams, false, false, buffer().params().docbook_table_output);
3737                 xs << xml::EndTag(tag);
3738                 xs << xml::CR();
3739         }
3740
3741         // CALS header: describe all columns in this table. For names, take 'c' then the ID of the column.
3742         // Start at one, as is customary with CALS!
3743         if (buffer().params().docbook_table_output == BufferParams::CALSTable) {
3744                 for (col_type c = 0; c < ncols(); ++c) {
3745                         std::stringstream attr;
3746                         attr << "colnum='" << (c + 1) << "' ";
3747                         attr << "colname='c" << (c + 1) << "' ";
3748                         Length const cwidth = column_info[c].p_width;
3749                         if (!cwidth.zero())
3750                                 attr << "colwidth='" << cwidth.asHTMLString() << "' ";
3751                         attr << "rowheader='norowheader'"; // Last attribute, hence no space at the end.
3752
3753                         xs << xml::CompTag("colspec", attr.str());
3754                         xs << xml::CR();
3755                 }
3756         }
3757
3758         // Output the header of the table. For both HTML and CALS, this is surrounded by a thead.
3759         bool const havefirsthead = haveLTFirstHead(false);
3760         // if we have a first head, then we are going to ignore the
3761         // headers for the additional pages, since there aren't any
3762         // in DocBook. this test accomplishes that.
3763         bool const havehead = !havefirsthead && haveLTHead(false);
3764         if (havehead || havefirsthead) {
3765                 xs << xml::StartTag("thead") << xml::CR();
3766                 for (row_type r = 0; r < nrows(); ++r) {
3767                         if (((havefirsthead && row_info[r].endfirsthead) ||
3768                              (havehead && row_info[r].endhead)) &&
3769                             !row_info[r].caption) {
3770                                 xmlRow(xs, r, runparams, true, false, buffer().params().docbook_table_output);
3771                         }
3772                 }
3773                 xs << xml::EndTag("thead");
3774                 xs << xml::CR();
3775         }
3776
3777         // Output the footer of the table. For both HTML and CALS, this is surrounded by a tfoot and output just after
3778         // the header (and before the body).
3779         bool const havelastfoot = haveLTLastFoot(false);
3780         // as before.
3781         bool const havefoot = !havelastfoot && haveLTFoot(false);
3782         if (havefoot || havelastfoot) {
3783                 xs << xml::StartTag("tfoot") << xml::CR();
3784                 for (row_type r = 0; r < nrows(); ++r) {
3785                         if (((havelastfoot && row_info[r].endlastfoot) ||
3786                              (havefoot && row_info[r].endfoot)) &&
3787                             !row_info[r].caption) {
3788                                 xmlRow(xs, r, runparams, false, false, buffer().params().docbook_table_output);
3789                         }
3790                 }
3791                 xs << xml::EndTag("tfoot");
3792                 xs << xml::CR();
3793         }
3794
3795         // Output the main part of the table. The tbody container is mandatory for CALS, but optional for HTML (only if
3796         // there is no header and no footer). It never hurts to have it, though.
3797         xs << xml::StartTag("tbody");
3798         xs << xml::CR();
3799         for (row_type r = 0; r < nrows(); ++r)
3800                 if (isValidRow(r))
3801                         xmlRow(xs, r, runparams, false, false, buffer().params().docbook_table_output);
3802         xs << xml::EndTag("tbody");
3803         xs << xml::CR();
3804
3805         // If this method started the table tag, also make it close it.
3806         if (!runparams.docbook_in_table) {
3807                 xs << xml::EndTag("informaltable");
3808                 xs << xml::CR();
3809         }
3810 }
3811
3812
3813 docstring Tabular::xhtml(XMLStream & xs, OutputParams const & runparams) const
3814 {
3815         docstring ret;
3816
3817         if (is_long_tabular) {
3818                 // we'll wrap it in a div, so as to deal with alignment
3819                 string align;
3820                 switch (longtabular_alignment) {
3821                 case LYX_LONGTABULAR_ALIGN_LEFT:
3822                         align = "left";
3823                         break;
3824                 case LYX_LONGTABULAR_ALIGN_CENTER:
3825                         align = "center";
3826                         break;
3827                 case LYX_LONGTABULAR_ALIGN_RIGHT:
3828                         align = "right";
3829                         break;
3830                 }
3831                 xs << xml::StartTag("div", "class='longtable' style='text-align: " + align + ";'");
3832                 xs << xml::CR();
3833                 // The caption flag wins over head/foot
3834                 if (haveLTCaption()) {
3835                         xs << xml::StartTag("div", "class='longtable-caption' style='text-align: " + align + ";'");
3836                         xs << xml::CR();
3837                         for (row_type r = 0; r < nrows(); ++r)
3838                                 if (row_info[r].caption)
3839                                         ret += xmlRow(xs, r, runparams);
3840                         xs << xml::EndTag("div");
3841                         xs << xml::CR();
3842                 }
3843         }
3844
3845         xs << xml::StartTag("table");
3846         xs << xml::CR();
3847
3848         // output header info
3849         bool const havefirsthead = haveLTFirstHead(false);
3850         // if we have a first head, then we are going to ignore the
3851         // headers for the additional pages, since there aren't any
3852         // in XHTML. this test accomplishes that.
3853         bool const havehead = !havefirsthead && haveLTHead(false);
3854         if (havehead || havefirsthead) {
3855                 xs << xml::StartTag("thead");
3856                 xs << xml::CR();
3857                 for (row_type r = 0; r < nrows(); ++r) {
3858                         if (((havefirsthead && row_info[r].endfirsthead) ||
3859                              (havehead && row_info[r].endhead)) &&
3860                             !row_info[r].caption) {
3861                                 ret += xmlRow(xs, r, runparams, true);
3862                         }
3863                 }
3864                 xs << xml::EndTag("thead");
3865                 xs << xml::CR();
3866         }
3867         // output footer info
3868         bool const havelastfoot = haveLTLastFoot(false);
3869         // as before.
3870         bool const havefoot = !havelastfoot && haveLTFoot(false);
3871         if (havefoot || havelastfoot) {
3872                 xs << xml::StartTag("tfoot") << xml::CR();
3873                 for (row_type r = 0; r < nrows(); ++r) {
3874                         if (((havelastfoot && row_info[r].endlastfoot) ||
3875                              (havefoot && row_info[r].endfoot)) &&
3876                             !row_info[r].caption) {
3877                                 ret += xmlRow(xs, r, runparams);
3878                         }
3879                 }
3880                 xs << xml::EndTag("tfoot");
3881                 xs << xml::CR();
3882         }
3883
3884         xs << xml::StartTag("tbody") << xml::CR();
3885         for (row_type r = 0; r < nrows(); ++r)
3886                 if (isValidRow(r))
3887                         ret += xmlRow(xs, r, runparams);
3888         xs << xml::EndTag("tbody");
3889         xs << xml::CR();
3890         xs << xml::EndTag("table");
3891         xs << xml::CR();
3892         if (is_long_tabular) {
3893                 xs << xml::EndTag("div");
3894                 xs << xml::CR();
3895         }
3896         return ret;
3897 }
3898
3899
3900 bool Tabular::plaintextTopHLine(odocstringstream & os, row_type row,
3901                                    vector<unsigned int> const & clen) const
3902 {
3903         idx_type const fcell = getFirstCellInRow(row);
3904         idx_type const n = numberOfCellsInRow(row) + fcell;
3905         idx_type tmp = 0;
3906
3907         for (idx_type i = fcell; i < n; ++i) {
3908                 if (topLine(i)) {
3909                         ++tmp;
3910                         break;
3911                 }
3912         }
3913         if (!tmp)
3914                 return false;
3915
3916         char_type ch;
3917         for (idx_type i = fcell; i < n; ++i) {
3918                 if (topLine(i)) {
3919                         if (leftLine(i))
3920                                 os << "+-";
3921                         else
3922                                 os << "--";
3923                         ch = '-';
3924                 } else {
3925                         os << "  ";
3926                         ch = ' ';
3927                 }
3928                 col_type column = cellColumn(i);
3929                 int len = clen[column];
3930                 while (column < ncols() - 1
3931                        && isPartOfMultiColumn(row, ++column))
3932                         len += clen[column] + 4;
3933                 os << docstring(len, ch);
3934                 if (topLine(i)) {
3935                         if (rightLine(i))
3936                                 os << "-+";
3937                         else
3938                                 os << "--";
3939                 } else {
3940                         os << "  ";
3941                 }
3942         }
3943         os << endl;
3944         return true;
3945 }
3946
3947
3948 bool Tabular::plaintextBottomHLine(odocstringstream & os, row_type row,
3949                                       vector<unsigned int> const & clen) const
3950 {
3951         idx_type const fcell = getFirstCellInRow(row);
3952         idx_type const n = numberOfCellsInRow(row) + fcell;
3953         idx_type tmp = 0;
3954
3955         for (idx_type i = fcell; i < n; ++i) {
3956                 if (bottomLine(i)) {
3957                         ++tmp;
3958                         break;
3959                 }
3960         }
3961         if (!tmp)
3962                 return false;
3963
3964         char_type ch;
3965         for (idx_type i = fcell; i < n; ++i) {
3966                 if (bottomLine(i)) {
3967                         if (leftLine(i))
3968                                 os << "+-";
3969                         else
3970                                 os << "--";
3971                         ch = '-';
3972                 } else {
3973                         os << "  ";
3974                         ch = ' ';
3975                 }
3976                 col_type column = cellColumn(i);
3977                 int len = clen[column];
3978                 while (column < ncols() - 1 && isPartOfMultiColumn(row, ++column))
3979                         len += clen[column] + 4;
3980                 os << docstring(len, ch);
3981                 if (bottomLine(i)) {
3982                         if (rightLine(i))
3983                                 os << "-+";
3984                         else
3985                                 os << "--";
3986                 } else {
3987                         os << "  ";
3988                 }
3989         }
3990         os << endl;
3991         return true;
3992 }
3993
3994
3995 void Tabular::plaintextPrintCell(odocstringstream & os,
3996                                OutputParams const & runparams,
3997                                idx_type cell, row_type row, col_type column,
3998                                vector<unsigned int> const & clen,
3999                                bool onlydata, size_t max_length) const
4000 {
4001         odocstringstream sstr;
4002         cellInset(cell)->plaintext(sstr, runparams, max_length);
4003
4004         if (onlydata) {
4005                 os << sstr.str();
4006                 return;
4007         }
4008
4009         if (leftLine(cell))
4010                 os << "| ";
4011         else
4012                 os << "  ";
4013
4014         unsigned int len1 = sstr.str().length();
4015         unsigned int len2 = clen[column];
4016         while (column < ncols() - 1 && isPartOfMultiColumn(row, ++column))
4017                 len2 += clen[column] + 4;
4018         len2 -= len1;
4019
4020         switch (getAlignment(cell)) {
4021         default:
4022         case LYX_ALIGN_LEFT:
4023                 len1 = 0;
4024                 break;
4025         case LYX_ALIGN_RIGHT:
4026                 len1 = len2;
4027                 len2 = 0;
4028                 break;
4029         case LYX_ALIGN_CENTER:
4030                 len1 = len2 / 2;
4031                 len2 -= len1;
4032                 break;
4033         }
4034
4035         os << docstring(len1, ' ') << sstr.str()
4036            << docstring(len2, ' ');
4037
4038         if (rightLine(cell))
4039                 os << " |";
4040         else
4041                 os << "  ";
4042 }
4043
4044
4045 void Tabular::plaintext(odocstringstream & os,
4046                            OutputParams const & runparams, int const depth,
4047                            bool onlydata, char_type delim, size_t max_length) const
4048 {
4049         // first calculate the width of the single columns
4050         vector<unsigned int> clen(ncols());
4051
4052         if (!onlydata) {
4053                 // first all non multicolumn cells!
4054                 for (col_type c = 0; c < ncols(); ++c) {
4055                         clen[c] = 0;
4056                         for (row_type r = 0; r < nrows(); ++r) {
4057                                 idx_type cell = cellIndex(r, c);
4058                                 if (isMultiColumn(cell))
4059                                         continue;
4060                                 odocstringstream sstr;
4061                                 cellInset(cell)->plaintext(sstr, runparams, max_length);
4062                                 if (clen[c] < sstr.str().length())
4063                                         clen[c] = sstr.str().length();
4064                         }
4065                 }
4066                 // then all multicolumn cells!
4067                 for (col_type c = 0; c < ncols(); ++c) {
4068                         for (row_type r = 0; r < nrows(); ++r) {
4069                                 idx_type cell = cellIndex(r, c);
4070                                 if (cell_info[r][c].multicolumn != CELL_BEGIN_OF_MULTICOLUMN)
4071                                         continue;
4072                                 odocstringstream sstr;
4073                                 cellInset(cell)->plaintext(sstr, runparams, max_length);
4074                                 int len = int(sstr.str().length());
4075                                 idx_type const n = columnSpan(cell);
4076                                 for (col_type k = c; len > 0 && k < c + n - 1; ++k)
4077                                         len -= clen[k];
4078                                 if (len > int(clen[c + n - 1]))
4079                                         clen[c + n - 1] = len;
4080                         }
4081                 }
4082         }
4083         idx_type cell = 0;
4084         for (row_type r = 0; r < nrows(); ++r) {
4085                 if (!onlydata && plaintextTopHLine(os, r, clen))
4086                         os << docstring(depth * 2, ' ');
4087                 for (col_type c = 0; c < ncols(); ++c) {
4088                         if (isPartOfMultiColumn(r, c) || isPartOfMultiRow(r,c))
4089                                 continue;
4090                         if (onlydata && c > 0)
4091                                 // we don't use operator<< for single UCS4 character.
4092                                 // see explanation in docstream.h
4093                                 os.put(delim);
4094                         plaintextPrintCell(os, runparams, cell, r, c, clen, onlydata, max_length);
4095                         ++cell;
4096                         if (os.str().size() > max_length)
4097                                 break;
4098                 }
4099                 os << endl;
4100                 if (!onlydata) {
4101                         os << docstring(depth * 2, ' ');
4102                         if (plaintextBottomHLine(os, r, clen))
4103                                 os << docstring(depth * 2, ' ');
4104                 }
4105                 if (os.str().size() > max_length)
4106                         break;
4107         }
4108 }
4109
4110
4111 shared_ptr<InsetTableCell> Tabular::cellInset(idx_type cell)
4112 {
4113         return cell_info[cellRow(cell)][cellColumn(cell)].inset;
4114 }
4115
4116
4117 shared_ptr<InsetTableCell> Tabular::cellInset(row_type row, col_type column)
4118 {
4119         return cell_info[row][column].inset;
4120 }
4121
4122
4123 InsetTableCell const * Tabular::cellInset(idx_type cell) const
4124 {
4125         return cell_info[cellRow(cell)][cellColumn(cell)].inset.get();
4126 }
4127
4128
4129 void Tabular::setCellInset(row_type row, col_type column,
4130                            shared_ptr<InsetTableCell> ins)
4131 {
4132         CellData & cd = cell_info[row][column];
4133         cd.inset = ins;
4134 }
4135
4136
4137 void Tabular::validate(LaTeXFeatures & features) const
4138 {
4139         features.require("NeedTabularnewline");
4140         if (use_booktabs)
4141                 features.require("booktabs");
4142         if (is_long_tabular && !hasVarwidthColumn()) {
4143                 if (tabular_width.zero())
4144                         features.require("longtable");
4145                 else
4146                         features.require("xltabular");
4147         }
4148         if (rotate && is_long_tabular)
4149                 features.require("lscape");
4150         if (needRotating())
4151                 features.require("rotating");
4152         if (hasVarwidthColumn()) {
4153                 if (is_long_tabular)
4154                         features.require("xltabular");
4155                 else
4156                         features.require("tabularx");
4157         }
4158         for (idx_type cell = 0; cell < numberofcells; ++cell) {
4159                 if (isMultiRow(cell))
4160                         features.require("multirow");
4161                 if (getUsebox(cell) == BOX_VARWIDTH) {
4162                         features.require("varwidth");
4163                         features.require("cellvarwidth");
4164                 }
4165                 if (getVAlignment(cell) != LYX_VALIGN_TOP
4166                     || !getPWidth(cell).zero()
4167                     || isVTypeColumn(cellColumn(cell)))
4168                         features.require("array");
4169                 // Tell footnote that we need a savenote
4170                 // environment in non-long tables or
4171                 // longtable headers/footers
4172                 else if (!is_long_tabular && !features.inFloat())
4173                         features.saveNoteEnv("tabular");
4174                 else if (!isValidRow(cellRow(cell)))
4175                         features.saveNoteEnv("longtable");
4176
4177                 cellInset(cell)->validate(features);
4178                 features.saveNoteEnv(string());
4179         }
4180 }
4181
4182
4183 Tabular::BoxType Tabular::useBox(idx_type cell) const
4184 {
4185         ParagraphList const & parlist = cellInset(cell)->paragraphs();
4186         if (parlist.size() > 1)
4187                 return BOX_VARWIDTH;
4188
4189         ParagraphList::const_iterator cit = parlist.begin();
4190         ParagraphList::const_iterator end = parlist.end();
4191
4192         for (; cit != end; ++cit)
4193                 for (int i = 0; i < cit->size(); ++i)
4194                         if (cit->isNewline(i) || cit->layout().isEnvironment())
4195                                 return BOX_VARWIDTH;
4196
4197         return BOX_NONE;
4198 }
4199
4200
4201 /////////////////////////////////////////////////////////////////////
4202 //
4203 // InsetTableCell
4204 //
4205 /////////////////////////////////////////////////////////////////////
4206
4207 InsetTableCell::InsetTableCell(Buffer * buf)
4208         : InsetText(buf, InsetText::PlainLayout), isFixedWidth(false), isVarwidth(false),
4209           isMultiColumn(false), isMultiRow(false), contentAlign(LYX_ALIGN_CENTER)
4210 {}
4211
4212 bool InsetTableCell::allowParagraphCustomization(idx_type) const
4213 {
4214         return isFixedWidth;
4215 }
4216
4217
4218 bool InsetTableCell::forceLocalFontSwitch() const
4219 {
4220         return true;
4221 }
4222
4223
4224 bool InsetTableCell::getStatus(Cursor & cur, FuncRequest const & cmd,
4225         FuncStatus & status) const
4226 {
4227         bool enabled = true;
4228         switch (cmd.action()) {
4229         case LFUN_INSET_SPLIT:
4230         case LFUN_INSET_DISSOLVE:
4231                 enabled = false;
4232                 break;
4233         case LFUN_MATH_DISPLAY:
4234                 if (!hasFixedWidth()) {
4235                         enabled = false;
4236                         break;
4237                 } //fall-through
4238         default:
4239                 return InsetText::getStatus(cur, cmd, status);
4240         }
4241         status.setEnabled(enabled);
4242         return true;
4243 }
4244
4245 docstring InsetTableCell::asString(bool intoInsets)
4246 {
4247         docstring retval;
4248         if (paragraphs().empty())
4249                 return retval;
4250         ParagraphList::const_iterator it = paragraphs().begin();
4251         ParagraphList::const_iterator en = paragraphs().end();
4252         bool first = true;
4253         for (; it != en; ++it) {
4254                 if (!first)
4255                         retval += "\n";
4256                 else
4257                         first = false;
4258                 retval += it->asString(intoInsets ? AS_STR_INSETS : AS_STR_NONE);
4259         }
4260         return retval;
4261 }
4262
4263
4264 void InsetTableCell::addToToc(DocIterator const & di, bool output_active,
4265                                                           UpdateType utype, TocBackend & backend) const
4266 {
4267         InsetText::iterateForToc(di, output_active, utype, backend);
4268 }
4269
4270
4271 docstring InsetTableCell::xhtml(XMLStream & xs, OutputParams const & rp) const
4272 {
4273         if (!isFixedWidth)
4274                 return InsetText::insetAsXHTML(xs, rp, InsetText::JustText);
4275         return InsetText::xhtml(xs, rp);
4276 }
4277
4278
4279 void InsetTableCell::docbook(XMLStream & xs, OutputParams const & runparams) const
4280 {
4281         InsetText::docbook(xs, runparams);
4282 }
4283
4284
4285 void InsetTableCell::metrics(MetricsInfo & mi, Dimension & dim) const
4286 {
4287         TextMetrics & tm = mi.base.bv->textMetrics(&text());
4288         int const horiz_offset = leftOffset(mi.base.bv) + rightOffset(mi.base.bv);
4289
4290         // Hand font through to contained lyxtext:
4291         tm.font_.fontInfo() = mi.base.font;
4292         mi.base.textwidth -= horiz_offset;
4293
4294         // This can happen when a layout has a left and right margin,
4295         // and the view is made very narrow. We can't do better than
4296         // to draw it partly out of view (bug 5890).
4297         if (mi.base.textwidth < 1)
4298                 mi.base.textwidth = 1;
4299
4300         // We tell metrics here not to expand on multiple pars
4301         // This is the difference to InsetText::Metrics
4302         Changer changetight = changeVar(mi.tight_insets, true);
4303         if (hasFixedWidth())
4304                 tm.metrics(mi, dim, mi.base.textwidth);
4305         else
4306                 tm.metrics(mi, dim, 0);
4307         mi.base.textwidth += horiz_offset;
4308         dim.asc += topOffset(mi.base.bv);
4309         dim.des += bottomOffset(mi.base.bv);
4310         dim.wid += horiz_offset;
4311 }
4312
4313
4314 /////////////////////////////////////////////////////////////////////
4315 //
4316 // InsetTabular
4317 //
4318 /////////////////////////////////////////////////////////////////////
4319
4320 InsetTabular::InsetTabular(Buffer * buf, row_type rows,
4321                            col_type columns)
4322         : Inset(buf), tabular(buf, max(rows, row_type(1)), max(columns, col_type(1))),
4323           rowselect_(false), colselect_(false)
4324 {
4325 }
4326
4327
4328 InsetTabular::InsetTabular(InsetTabular const & tab)
4329         : Inset(tab), tabular(tab.tabular),
4330           rowselect_(false), colselect_(false)
4331 {
4332 }
4333
4334
4335 InsetTabular::~InsetTabular()
4336 {
4337         hideDialogs("tabular", this);
4338 }
4339
4340
4341 void InsetTabular::setBuffer(Buffer & buf)
4342 {
4343         tabular.setBuffer(buf);
4344         Inset::setBuffer(buf);
4345 }
4346
4347
4348 bool InsetTabular::insetAllowed(InsetCode code) const
4349 {
4350         switch (code) {
4351         case FLOAT_CODE:
4352         case MARGIN_CODE:
4353         case MATHMACRO_CODE:
4354         case WRAP_CODE:
4355                 return false;
4356
4357         case CAPTION_CODE:
4358                 return tabular.is_long_tabular;
4359
4360         default:
4361                 return true;
4362         }
4363 }
4364
4365
4366 bool InsetTabular::allowMultiPar() const
4367 {
4368         for (col_type c = 0; c < tabular.ncols(); ++c) {
4369                 for (row_type r = 0; r < tabular.nrows(); ++r) {
4370                         if (tabular.cellInset(r,c)->allowMultiPar())
4371                                 return true;
4372                 }
4373         }
4374         return false;
4375 }
4376
4377
4378 bool InsetTabular::allowsCaptionVariation(std::string const & newtype) const
4379 {
4380         return tabular.is_long_tabular &&
4381                 (newtype == "Standard" || newtype == "Unnumbered");
4382 }
4383
4384
4385 void InsetTabular::write(ostream & os) const
4386 {
4387         os << "Tabular" << endl;
4388         tabular.write(os);
4389 }
4390
4391
4392 string InsetTabular::contextMenu(BufferView const &, int, int) const
4393 {
4394         // FIXME: depending on the selection state,
4395         // we could offer a different menu.
4396         return cell(0)->contextMenuName() + ";" + contextMenuName();
4397 }
4398
4399
4400 string InsetTabular::contextMenuName() const
4401 {
4402         return "context-tabular";
4403 }
4404
4405
4406 void InsetTabular::read(Lexer & lex)
4407 {
4408         //bool const old_format = (lex.getString() == "\\LyXTable");
4409
4410         tabular.read(lex);
4411
4412         //if (old_format)
4413         //      return;
4414
4415         lex.next();
4416         string token = lex.getString();
4417         while (lex && token != "\\end_inset") {
4418                 lex.next();
4419                 token = lex.getString();
4420         }
4421         if (!lex)
4422                 lex.printError("Missing \\end_inset at this point. ");
4423 }
4424
4425
4426 int InsetTabular::rowFromY(Cursor & cur, int y) const
4427 {
4428         // top y coordinate of tabular
4429         int h = yo(cur.bv()) - tabular.rowAscent(0) + tabular.offsetVAlignment();
4430         row_type r = 0;
4431         for (; r < tabular.nrows() && y > h; ++r)
4432                 h += tabular.rowAscent(r) + tabular.rowDescent(r)
4433                         + tabular.interRowSpace(r);
4434
4435         return r - 1;
4436 }
4437
4438
4439 int InsetTabular::columnFromX(Cursor & cur, int x) const
4440 {
4441         // left x coordinate of tabular
4442         int w = xo(cur.bv()) + ADD_TO_TABULAR_WIDTH;
4443         col_type c = 0;
4444         for (; c < tabular.ncols() && x > w; ++c)
4445                 w += tabular.cellWidth(c);
4446         return c - 1;
4447 }
4448
4449
4450 void InsetTabular::metrics(MetricsInfo & mi, Dimension & dim) const
4451 {
4452         //lyxerr << "InsetTabular::metrics: " << mi.base.bv << " width: " <<
4453         //      mi.base.textwidth << "\n";
4454         LBUFERR(mi.base.bv);
4455
4456         for (row_type r = 0; r < tabular.nrows(); ++r) {
4457                 int maxasc = 0;
4458                 int maxdes = 0;
4459                 for (col_type c = 0; c < tabular.ncols(); ++c) {
4460                         if (tabular.isPartOfMultiColumn(r, c)
4461                                 || tabular.isPartOfMultiRow(r, c))
4462                                 // multicolumn or multirow cell, but not first one
4463                                 continue;
4464                         idx_type const cell = tabular.cellIndex(r, c);
4465                         Dimension dim0;
4466                         MetricsInfo m = mi;
4467                         Length const p_width = tabular.getPWidth(cell);
4468                         if (!p_width.zero())
4469                                 m.base.textwidth = mi.base.inPixels(p_width);
4470                         else if (tabular.column_info[c].varwidth)
4471                                 m.base.textwidth = tabular.column_info[c].width;
4472                         tabular.cellInset(cell)->metrics(m, dim0);
4473                         if (!p_width.zero() || tabular.column_info[c].varwidth)
4474                                 dim0.wid = m.base.textwidth;
4475                         tabular.cellInfo(cell).width = dim0.wid + 2 * WIDTH_OF_LINE
4476                                 + tabular.interColumnSpace(cell);
4477
4478                         // FIXME(?): do we need a second metrics call?
4479                         TextMetrics const & tm =
4480                                 mi.base.bv->textMetrics(tabular.cellInset(cell)->getText(0));
4481
4482                         // determine horizontal offset because of decimal align (if necessary)
4483                         int decimal_width = 0;
4484                         if (tabular.getAlignment(cell) == LYX_ALIGN_DECIMAL) {
4485                                 InsetTableCell tail = *tabular.cellInset(cell);
4486                                 tail.setBuffer(tabular.buffer());
4487                                 // we need to set macrocontext position everywhere
4488                                 // otherwise we crash with nested insets (e.g. footnotes)
4489                                 // after decimal point
4490                                 DocIterator dit = tabular.cellInset(cell)->getText(0)->macrocontextPosition();
4491                                 dit.pop_back();
4492                                 dit.push_back(CursorSlice(tail));
4493                                 tail.setMacrocontextPositionRecursive(dit);
4494
4495                                 // remove text leading decimal point
4496                                 docstring const align_d = tabular.column_info[c].decimal_point;
4497                                 dit = separatorPos(&tail, align_d);
4498
4499                                 pos_type const psize = tail.paragraphs().front().size();
4500                                 if (dit) {
4501                                         tail.paragraphs().front().eraseChars(0,
4502                                                 dit.pos() < psize ? dit.pos() + 1 : psize, false);
4503                                         Dimension dim1;
4504                                         tail.metrics(m, dim1);
4505                                         decimal_width = dim1.width();
4506                                 }
4507                         }
4508                         tabular.cell_info[r][c].decimal_hoffset = tm.width() - decimal_width;
4509                         tabular.cell_info[r][c].decimal_width = decimal_width;
4510
4511                         // with LYX_VALIGN_BOTTOM the descent is relative to the last
4512                         // row of the last par (note that the par might have multile rows!)
4513                         // = descent of text in last row + bottomOffset:
4514                         int const lastpardes = tm.last().second->rows().back().descent()
4515                                 + bottomOffset(mi.base.bv);
4516                         int offset = 0;
4517                         switch (tabular.getVAlignment(cell)) {
4518                                 case Tabular::LYX_VALIGN_TOP:
4519                                         break;
4520                                 case Tabular::LYX_VALIGN_MIDDLE:
4521                                         offset = -(dim0.des - lastpardes)/2;
4522                                         break;
4523                                 case Tabular::LYX_VALIGN_BOTTOM:
4524                                         offset = -(dim0.des - lastpardes);
4525                                         break;
4526                         }
4527                         tabular.cell_info[r][c].voffset = offset;
4528                         maxasc = max(maxasc, dim0.asc - offset);
4529                         maxdes = max(maxdes, dim0.des + offset);
4530                 }
4531                 int const top_space = tabular.row_info[r].top_space_default ?
4532                     default_line_space :
4533                     mi.base.inPixels(tabular.row_info[r].top_space);
4534                 tabular.setRowAscent(r, maxasc + ADD_TO_HEIGHT + top_space);
4535                 int const bottom_space = tabular.row_info[r].bottom_space_default ?
4536                     default_line_space :
4537                     mi.base.inPixels(tabular.row_info[r].bottom_space);
4538                 tabular.setRowDescent(r, maxdes + ADD_TO_HEIGHT + bottom_space);
4539         }
4540
4541         // We need to recalculate the metrics after column width calculation
4542         // with xtabular (possibly multiple times, so the call is recursive).
4543         if (tabular.updateColumnWidths(mi) && tabular.hasVarwidthColumn())
4544                 metrics(mi, dim);
4545         dim.asc = tabular.rowAscent(0) - tabular.offsetVAlignment();
4546         dim.des = tabular.height() - dim.asc;
4547         dim.wid = tabular.width() + 2 * ADD_TO_TABULAR_WIDTH;
4548 }
4549
4550
4551 bool InsetTabular::isCellSelected(Cursor & cur, row_type row, col_type col) const
4552 {
4553         if (&cur.inset() == this && cur.selection()) {
4554                 if (cur.selIsMultiCell()) {
4555                         row_type rs, re;
4556                         col_type cs, ce;
4557                         getSelection(cur, rs, re, cs, ce);
4558
4559                         idx_type const cell = tabular.cellIndex(row, col);
4560                         col_type const cspan = tabular.columnSpan(cell);
4561                         row_type const rspan = tabular.rowSpan(cell);
4562                         if (col + cspan - 1 >= cs && col <= ce
4563                                 && row + rspan - 1 >= rs && row <= re)
4564                                 return true;
4565                 } else
4566                         if (col == tabular.cellColumn(cur.idx())
4567                                 && row == tabular.cellRow(cur.idx())) {
4568                         CursorSlice const & beg = cur.selBegin();
4569                         CursorSlice const & end = cur.selEnd();
4570
4571                         if ((end.lastpos() > 0 || end.lastpit() > 0)
4572                                   && end.pos() == end.lastpos() && beg.pos() == 0
4573                                   && end.pit() == end.lastpit() && beg.pit() == 0)
4574                                 return true;
4575                 }
4576         }
4577         return false;
4578 }
4579
4580
4581 void InsetTabular::draw(PainterInfo & pi, int x, int y) const
4582 {
4583         x += ADD_TO_TABULAR_WIDTH;
4584
4585         BufferView * bv = pi.base.bv;
4586         Cursor & cur = pi.base.bv->cursor();
4587
4588         // FIXME: As the full background is painted in drawBackground(),
4589         // we have no choice but to do a full repaint for the Text cells.
4590         pi.full_repaint = true;
4591
4592         bool const original_selection_state = pi.selected;
4593
4594         idx_type idx = 0;
4595
4596         // Save tabular change status
4597         Change tab_change = pi.change;
4598
4599         int yy = y + tabular.offsetVAlignment();
4600         for (row_type r = 0; r < tabular.nrows(); ++r) {
4601                 int nx = x;
4602                 for (col_type c = 0; c < tabular.ncols(); ++c) {
4603                         if (tabular.isPartOfMultiColumn(r, c))
4604                                 continue;
4605
4606                         idx = tabular.cellIndex(r, c);
4607
4608                         if (tabular.isPartOfMultiRow(r, c)) {
4609                                 nx += tabular.cellWidth(idx);
4610                                 continue;
4611                         }
4612
4613                         pi.selected |= isCellSelected(cur, r, c);
4614
4615                         // Mark deleted rows/columns
4616                         if (tabular.column_info[c].change.changed())
4617                                 pi.change = tabular.column_info[c].change;
4618                         else if (tabular.row_info[r].change.changed())
4619                                 pi.change = tabular.row_info[r].change;
4620                         else
4621                                 pi.change = tab_change;
4622
4623                         int const cx = nx + tabular.textHOffset(idx);
4624                         int const cy = yy + tabular.textVOffset(idx);
4625                         // Cache the Inset position.
4626                         bv->coordCache().insets().add(cell(idx).get(), cx, cy);
4627                         cell(idx)->draw(pi, cx, cy);
4628                         drawCellLines(pi, nx, yy, r, idx);
4629                         nx += tabular.cellWidth(idx);
4630                         pi.selected = original_selection_state;
4631                 }
4632
4633                 if (r + 1 < tabular.nrows())
4634                         yy += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
4635                                 + tabular.interRowSpace(r + 1);
4636         }
4637 }
4638
4639
4640 void InsetTabular::drawBackground(PainterInfo & pi, int x, int y) const
4641 {
4642         x += ADD_TO_TABULAR_WIDTH;
4643         y += tabular.offsetVAlignment() - tabular.rowAscent(0);
4644         pi.pain.fillRectangle(x, y, tabular.width(), tabular.height(),
4645                 pi.backgroundColor(this));
4646 }
4647
4648
4649 void InsetTabular::drawSelection(PainterInfo & pi, int x, int y) const
4650 {
4651         Cursor & cur = pi.base.bv->cursor();
4652
4653         x += ADD_TO_TABULAR_WIDTH;
4654
4655         if (!cur.selection())
4656                 return;
4657         if (&cur.inset() != this)
4658                 return;
4659
4660         //resetPos(cur);
4661
4662         bool const full_cell_selected = isCellSelected(cur,
4663                 tabular.cellRow(cur.idx()), tabular.cellColumn(cur.idx()));
4664
4665         if (cur.selIsMultiCell() || full_cell_selected) {
4666                 for (row_type r = 0; r < tabular.nrows(); ++r) {
4667                         int xx = x;
4668                         for (col_type c = 0; c < tabular.ncols(); ++c) {
4669                                 if (tabular.isPartOfMultiColumn(r, c))
4670                                         continue;
4671
4672                                 idx_type const cell = tabular.cellIndex(r, c);
4673
4674                                 if (tabular.isPartOfMultiRow(r, c)) {
4675                                         xx += tabular.cellWidth(cell);
4676                                         continue;
4677                                 }
4678                                 int const w = tabular.cellWidth(cell);
4679                                 int const h = tabular.cellHeight(cell);
4680                                 int const yy = y - tabular.rowAscent(r) + tabular.offsetVAlignment();
4681                                 if (isCellSelected(cur, r, c))
4682                                         pi.pain.fillRectangle(xx, yy, w, h, Color_selection);
4683                                 xx += w;
4684                         }
4685                         if (r + 1 < tabular.nrows())
4686                                 y += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
4687                                      + tabular.interRowSpace(r + 1);
4688                 }
4689
4690         }
4691         // FIXME: This code has no effect because InsetTableCell does not handle
4692         // drawSelection other than the trivial implementation in Inset.
4693         //else {
4694         //      x += cellXPos(cur.idx());
4695         //      x += tabular.textHOffset(cur.idx());
4696         //      cell(cur.idx())->drawSelection(pi, x, 0 /* ignored */);
4697         //}
4698 }
4699
4700
4701 namespace {
4702
4703 void tabline(PainterInfo const & pi, int x1, int y1, int x2, int y2, int lt, int rt,
4704              Color const incol, bool drawline, bool heavy = false)
4705 {
4706         Color const col = drawline ? incol : Color_tabularonoffline;
4707         if (drawline && lt > 0)
4708                 pi.pain.line(x1, y1, x1 + lt, y2, pi.textColor(Color_tabularonoffline),
4709                                          Painter::line_onoffdash,
4710                                          Painter::thin_line);
4711         pi.pain.line(x1 + lt, y1, x2 - rt, y2, pi.textColor(col),
4712                                  drawline ? Painter::line_solid : Painter::line_onoffdash,
4713                                  (heavy ? 2 : 1) * Painter::thin_line);
4714         if (drawline && rt > 0)
4715                 pi.pain.line(x2 - rt, y1, x2, y2, pi.textColor(Color_tabularonoffline),
4716                                          Painter::line_onoffdash,
4717                                          Painter::thin_line);
4718 }
4719
4720 }
4721
4722
4723 void InsetTabular::drawCellLines(PainterInfo & pi, int x, int y,
4724                                  row_type row, idx_type cell) const
4725 {
4726         y -= tabular.rowAscent(row);
4727         int const w = tabular.cellWidth(cell);
4728         int const h = tabular.cellHeight(cell);
4729         int lt = 0;
4730         int rt = 0;
4731
4732         col_type const col = tabular.cellColumn(cell);
4733
4734         // Colour the frame if rows/columns are added or deleted
4735         Color colour = Color_tabularline;
4736         if (tabular.column_info[col].change.changed()
4737             || tabular.row_info[row].change.changed())
4738                 colour = tabular.cellInset(cell)->paragraphs().front().lookupChange(0).color();
4739
4740         // Top
4741         bool drawline = tabular.topLine(cell)
4742                 || (row > 0 && tabular.bottomLine(tabular.cellAbove(cell)));
4743         bool heavy = tabular.use_booktabs
4744                         && (row == 0 || (tabular.is_long_tabular && row == 1 && tabular.ltCaption(0)))
4745                         && tabular.rowTopLine(row);
4746         if (tabular.topLineTrim(cell).first
4747             || (row > 0 && tabular.bottomLineTrim(tabular.cellIndex(row - 1, col)).first))
4748                 lt = 10;
4749         if (tabular.topLineTrim(cell).second
4750             || (row > 0 && tabular.bottomLineTrim(tabular.cellIndex(row - 1, col)).second))
4751                 rt = 10;
4752         tabline(pi, x, y, x + w, y, lt, rt, colour, drawline, heavy);
4753
4754         // Bottom
4755         lt = rt = 0;
4756         drawline = tabular.bottomLine(cell);
4757         row_type const lastrow = tabular.nrows() - 1;
4758         // Consider multi-rows
4759         row_type r = row;
4760         while (r < lastrow && tabular.isMultiRow(tabular.cellIndex(r, col))
4761                 && tabular.isPartOfMultiRow(r + 1, col))
4762                 r++;
4763         heavy = tabular.use_booktabs
4764                 && ((row == lastrow && tabular.rowBottomLine(row))
4765                     || (r == lastrow && tabular.rowBottomLine(r)));
4766         if (tabular.bottomLineTrim(cell).first)
4767                 lt = 10;
4768         if (tabular.bottomLineTrim(cell).second)
4769                 rt = 10;
4770         tabline(pi, x, y + h, x + w, y + h, lt, rt, colour, drawline, heavy);
4771
4772         // Left
4773         drawline = tabular.leftLine(cell)
4774                 || (col > 0 && tabular.rightLine(tabular.cellIndex(row, col - 1)));
4775         tabline(pi, x, y, x, y + h, 0, 0, colour, drawline);
4776
4777         // Right
4778         x -= tabular.interColumnSpace(cell);
4779         col_type next_cell_col = col + 1;
4780         while (next_cell_col < tabular.ncols()
4781                 && tabular.isMultiColumn(tabular.cellIndex(row, next_cell_col)))
4782                 next_cell_col++;
4783         drawline = tabular.rightLine(cell)
4784                    || (next_cell_col < tabular.ncols()
4785                        && tabular.leftLine(tabular.cellIndex(row, next_cell_col)));
4786         tabline(pi, x + w, y, x + w, y + h, 0, 0, colour, drawline);
4787 }
4788
4789
4790 void InsetTabular::edit(Cursor & cur, bool front, EntryDirection)
4791 {
4792         //lyxerr << "InsetTabular::edit: " << this << endl;
4793         cur.finishUndo();
4794         cur.push(*this);
4795         if (front) {
4796                 if (isRightToLeft(cur))
4797                         cur.idx() = tabular.getLastCellInRow(0);
4798                 else
4799                         cur.idx() = 0;
4800                 cur.pit() = 0;
4801                 cur.pos() = 0;
4802         } else {
4803                 if (isRightToLeft(cur))
4804                         cur.idx() = tabular.getFirstCellInRow(tabular.nrows() - 1);
4805                 else
4806                         cur.idx() = tabular.numberofcells - 1;
4807                 cur.pit() = 0;
4808                 cur.pos() = cur.lastpos(); // FIXME crude guess
4809         }
4810         cur.setCurrentFont();
4811         // FIXME: this accesses the position cache before it is initialized
4812         //cur.bv().fitCursor();
4813 }
4814
4815
4816 void InsetTabular::updateBuffer(ParIterator const & it, UpdateType utype, bool const /*deleted*/)
4817 {
4818         // In a longtable, tell captions what the current float is
4819         Counters & cnts = buffer().masterBuffer()->params().documentClass().counters();
4820         string const saveflt = cnts.current_float();
4821         if (tabular.is_long_tabular) {
4822                 cnts.current_float("table");
4823                 // in longtables, we only step the counter once
4824                 cnts.step(from_ascii("table"), utype);
4825                 cnts.isLongtable(true);
4826         }
4827
4828         ParIterator it2 = it;
4829         it2.forwardPos();
4830         size_t const end = it2.nargs();
4831         for ( ; it2.idx() < end; it2.top().forwardIdx())
4832                 buffer().updateBuffer(it2, utype);
4833
4834         //reset afterwards
4835         if (tabular.is_long_tabular) {
4836                 cnts.current_float(saveflt);
4837                 cnts.isLongtable(false);
4838         }
4839 }
4840
4841
4842 void InsetTabular::addToToc(DocIterator const & cpit, bool output_active,
4843                                                         UpdateType utype, TocBackend & backend) const
4844 {
4845         DocIterator dit = cpit;
4846         dit.forwardPos();
4847         size_t const end = dit.nargs();
4848         for ( ; dit.idx() < end; dit.top().forwardIdx())
4849                 cell(dit.idx())->addToToc(dit, output_active, utype, backend);
4850 }
4851
4852
4853 bool InsetTabular::hitSelectRow(BufferView const & bv, int x) const
4854 {
4855         int const x0 = xo(bv) + ADD_TO_TABULAR_WIDTH;
4856         return x < x0 || x > x0 + tabular.width();
4857 }
4858
4859
4860 bool InsetTabular::hitSelectColumn(BufferView const & bv, int y) const
4861 {
4862         int const y0 = yo(bv) - tabular.rowAscent(0) + tabular.offsetVAlignment();
4863         // FIXME: using ADD_TO_TABULAR_WIDTH is not really correct since
4864         // there is no margin added vertically to tabular insets.
4865         // However, it works for now.
4866         return y < y0 + ADD_TO_TABULAR_WIDTH || y > y0 + tabular.height() - ADD_TO_TABULAR_WIDTH;
4867 }
4868
4869
4870 bool InsetTabular::clickable(BufferView const & bv, int x, int y) const
4871 {
4872         return hitSelectRow(bv, x) || hitSelectColumn(bv, y);
4873 }
4874
4875
4876 void InsetTabular::doDispatch(Cursor & cur, FuncRequest & cmd)
4877 {
4878         LYXERR(Debug::DEBUG, "# InsetTabular::doDispatch: cmd: " << cmd
4879                              << "\n  cur:" << cur);
4880         CursorSlice sl = cur.top();
4881         Cursor & bvcur = cur.bv().cursor();
4882
4883         FuncCode const act = cmd.action();
4884
4885         switch (act) {
4886
4887         case LFUN_MOUSE_PRESS: {
4888                 //lyxerr << "# InsetTabular::MousePress\n" << cur.bv().cursor() << endl;
4889                 // select row
4890                 if (hitSelectRow(cur.bv(), cmd.x())) {
4891                         row_type r = rowFromY(cur, cmd.y());
4892                         cur.idx() = tabular.getFirstCellInRow(r);
4893                         cur.pit() = 0;
4894                         cur.pos() = 0;
4895                         cur.resetAnchor();
4896                         cur.idx() = tabular.getLastCellInRow(r);
4897                         cur.pit() = cur.lastpit();
4898                         cur.pos() = cur.lastpos();
4899                         cur.selection(true);
4900                         bvcur = cur;
4901                         rowselect_ = true;
4902                         break;
4903                 }
4904                 // select column
4905                 if (hitSelectColumn(cur.bv(), cmd.y())) {
4906                         col_type c = columnFromX(cur, cmd.x());
4907                         cur.idx() = tabular.cellIndex(0, c);
4908                         cur.pit() = 0;
4909                         cur.pos() = 0;
4910                         cur.resetAnchor();
4911                         cur.idx() = tabular.cellIndex(tabular.nrows() - 1, c);
4912                         cur.pit() = cur.lastpit();
4913                         cur.pos() = cur.lastpos();
4914                         cur.selection(true);
4915                         bvcur = cur;
4916                         colselect_ = true;
4917                         break;
4918                 }
4919                 // do not reset cursor/selection if we have selected
4920                 // some cells (bug 2715).
4921                 if (cmd.button() == mouse_button::button3
4922                     && &bvcur.selBegin().inset() == this
4923                     && bvcur.selIsMultiCell())
4924                         ;
4925                 else
4926                         // Let InsetTableCell do it
4927                         cell(cur.idx())->dispatch(cur, cmd);
4928                 break;
4929         }
4930         case LFUN_MOUSE_MOTION:
4931                 //lyxerr << "# InsetTabular::MouseMotion\n" << bvcur << endl;
4932                 if (cmd.button() == mouse_button::button1) {
4933                         // only accept motions to places not deeper nested than the real anchor
4934                         if (!bvcur.realAnchor().hasPart(cur)) {
4935                                 cur.undispatched();
4936                                 break;
4937                         }
4938                         // select (additional) row
4939                         if (rowselect_) {
4940                                 row_type r = rowFromY(cur, cmd.y());
4941                                 cur.idx() = tabular.getLastCellInRow(r);
4942                                 // we need to reset the cursor's pit and pos now, as the old ones
4943                                 // may no longer be valid.
4944                                 cur.pit() = 0;
4945                                 cur.pos() = 0;
4946                                 bvcur.setCursor(cur);
4947                                 bvcur.selection(true);
4948                                 break;
4949                         }
4950                         // select (additional) column
4951                         if (colselect_) {
4952                                 col_type c = columnFromX(cur, cmd.x());
4953                                 cur.idx() = tabular.cellIndex(tabular.nrows() - 1, c);
4954                                 // we need to reset the cursor's pit and pos now, as the old ones
4955                                 // may no longer be valid.
4956                                 cur.pit() = 0;
4957                                 cur.pos() = 0;
4958                                 bvcur.setCursor(cur);
4959                                 bvcur.selection(true);
4960                                 break;
4961                         }
4962                         // only update if selection changes
4963                         if (bvcur.idx() == cur.idx() &&
4964                                 !(bvcur.realAnchor().idx() == cur.idx() && bvcur.pos() != cur.pos()))
4965                                 cur.noScreenUpdate();
4966                         setCursorFromCoordinates(cur, cmd.x(), cmd.y());
4967                         bvcur.setCursor(cur);
4968                         bvcur.selection(true);
4969                         // if this is a multicell selection, we just set the cursor to
4970                         // the beginning of the cell's text.
4971                         if (bvcur.selIsMultiCell()) {
4972                                 bvcur.pit() = bvcur.lastpit();
4973                                 bvcur.pos() = bvcur.lastpos();
4974                         }
4975                 }
4976                 break;
4977
4978         case LFUN_MOUSE_RELEASE:
4979                 rowselect_ = false;
4980                 colselect_ = false;
4981                 break;
4982
4983         case LFUN_CELL_BACKWARD:
4984                 movePrevCell(cur);
4985                 cur.selection(false);
4986                 break;
4987
4988         case LFUN_CELL_FORWARD:
4989                 moveNextCell(cur);
4990                 cur.selection(false);
4991                 break;
4992
4993         case LFUN_CHAR_FORWARD_SELECT:
4994         case LFUN_CHAR_FORWARD:
4995         case LFUN_CHAR_BACKWARD_SELECT:
4996         case LFUN_CHAR_BACKWARD:
4997         case LFUN_CHAR_RIGHT_SELECT:
4998         case LFUN_CHAR_RIGHT:
4999         case LFUN_CHAR_LEFT_SELECT:
5000         case LFUN_CHAR_LEFT:
5001         case LFUN_WORD_FORWARD:
5002         case LFUN_WORD_FORWARD_SELECT:
5003         case LFUN_WORD_BACKWARD:
5004         case LFUN_WORD_BACKWARD_SELECT:
5005         case LFUN_WORD_RIGHT:
5006         case LFUN_WORD_RIGHT_SELECT:
5007         case LFUN_WORD_LEFT:
5008         case LFUN_WORD_LEFT_SELECT: {
5009                 // determine whether we move to next or previous cell, where to enter
5010                 // the new cell from, and which command to "finish" (i.e., exit the
5011                 // inset) with:
5012                 bool next_cell;
5013                 EntryDirection entry_from = ENTRY_DIRECTION_IGNORE;
5014                 FuncCode finish_lfun;
5015
5016                 if (act == LFUN_CHAR_FORWARD
5017                                 || act == LFUN_CHAR_FORWARD_SELECT
5018                                 || act == LFUN_WORD_FORWARD
5019                                 || act == LFUN_WORD_FORWARD_SELECT) {
5020                         next_cell = true;
5021                         finish_lfun = LFUN_FINISHED_FORWARD;
5022                 }
5023                 else if (act == LFUN_CHAR_BACKWARD
5024                                 || act == LFUN_CHAR_BACKWARD_SELECT
5025                                 || act == LFUN_WORD_BACKWARD
5026                                 || act == LFUN_WORD_BACKWARD_SELECT) {
5027                         next_cell = false;
5028                         finish_lfun = LFUN_FINISHED_BACKWARD;
5029                 }
5030                 // LEFT or RIGHT commands --- the interpretation will depend on the
5031                 // table's direction.
5032                 else {
5033                         bool const right = act == LFUN_CHAR_RIGHT
5034                                 || act == LFUN_CHAR_RIGHT_SELECT
5035                                 || act == LFUN_WORD_RIGHT
5036                                 || act == LFUN_WORD_RIGHT_SELECT;
5037                         next_cell = isRightToLeft(cur) != right;
5038
5039                         if (lyxrc.visual_cursor)
5040                                 entry_from = right ? ENTRY_DIRECTION_LEFT:ENTRY_DIRECTION_RIGHT;
5041
5042                         finish_lfun = right ? LFUN_FINISHED_RIGHT : LFUN_FINISHED_LEFT;
5043                 }
5044
5045                 bool const select =     act == LFUN_CHAR_FORWARD_SELECT
5046                     || act == LFUN_CHAR_BACKWARD_SELECT
5047                     || act == LFUN_CHAR_RIGHT_SELECT
5048                     || act == LFUN_CHAR_LEFT_SELECT
5049                         || act == LFUN_WORD_FORWARD_SELECT
5050                         || act == LFUN_WORD_RIGHT_SELECT
5051                         || act == LFUN_WORD_BACKWARD_SELECT
5052                         || act == LFUN_WORD_LEFT_SELECT;
5053
5054                 // If we have a multicell selection or we're
5055                 // not doing some LFUN_*_SELECT thing anyway...
5056                 if (!cur.selIsMultiCell() || !select) {
5057                         col_type const c = tabular.cellColumn(cur.idx());
5058                         row_type const r = tabular.cellRow(cur.idx());
5059                         // Are we trying to select the whole cell and is the whole cell
5060                         // not yet selected?
5061                         bool const select_whole = select && !isCellSelected(cur, r, c) &&
5062                                 ((next_cell && cur.pit() == cur.lastpit()
5063                                 && cur.pos() == cur.lastpos())
5064                                 || (!next_cell && cur.pit() == 0 && cur.pos() == 0));
5065
5066                         bool const empty_cell = cur.lastpos() == 0 && cur.lastpit() == 0;
5067
5068                         // ...try to dispatch to the cell's inset.
5069                         cell(cur.idx())->dispatch(cur, cmd);
5070
5071                         // When we already have a selection we want to select the whole cell
5072                         // before going to the next cell.
5073                         if (select_whole && !empty_cell){
5074                                 getText(cur.idx())->selectAll(cur);
5075                                 cur.dispatched();
5076                                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5077                                 break;
5078                         }
5079
5080                         // FIXME: When we support the selection of an empty cell, remove
5081                         // the !empty_cell from this condition. For now we jump to the next
5082                         // cell if the current cell is empty.
5083                         if (cur.result().dispatched() && !empty_cell)
5084                                 break;
5085                 }
5086
5087                 // move to next/prev cell, as appropriate
5088                 // note that we will always do this if we're selecting and we have
5089                 // a multicell selection
5090                 LYXERR(Debug::RTL, "entering " << (next_cell ? "next" : "previous")
5091                         << " cell from: " << int(entry_from));
5092                 if (next_cell)
5093                         moveNextCell(cur, entry_from);
5094                 else
5095                         movePrevCell(cur, entry_from);
5096                 // if we're exiting the table, call the appropriate FINISHED lfun
5097                 if (sl == cur.top()) {
5098                         cmd = FuncRequest(finish_lfun);
5099                         cur.undispatched();
5100                 } else
5101                         cur.dispatched();
5102
5103                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5104                 break;
5105
5106         }
5107
5108         case LFUN_DOWN_SELECT:
5109         case LFUN_DOWN:
5110                 if (!(cur.selection() && cur.selIsMultiCell()))
5111                         cell(cur.idx())->dispatch(cur, cmd);
5112
5113                 cur.dispatched(); // override the cell's decision
5114                 if (sl == cur.top()) {
5115                         // if our Text didn't do anything to the cursor
5116                         // then we try to put the cursor into the cell below
5117                         // setting also the right targetX.
5118                         cur.selHandle(act == LFUN_DOWN_SELECT);
5119                         if (tabular.cellRow(cur.idx()) != tabular.nrows() - 1) {
5120                                 int const xtarget = cur.targetX();
5121                                 // WARNING: Once cur.idx() has been reset, the cursor is in
5122                                 // an inconsistent state until pos() has been set. Be careful
5123                                 // what you do with it!
5124                                 cur.idx() = tabular.cellBelow(cur.idx());
5125                                 cur.pit() = 0;
5126                                 TextMetrics const & tm =
5127                                         cur.bv().textMetrics(cell(cur.idx())->getText(0));
5128                                 cur.pos() = tm.x2pos(cur.pit(), 0, xtarget);
5129                                 cur.setCurrentFont();
5130                         }
5131                 }
5132                 if (sl == cur.top()) {
5133                         // we trick it to go to forward after leaving the
5134                         // tabular.
5135                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
5136                         cur.undispatched();
5137                 }
5138                 if (cur.selIsMultiCell()) {
5139                         cur.pit() = cur.lastpit();
5140                         cur.pos() = cur.lastpos();
5141                         cur.setCurrentFont();
5142                         cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5143                         return;
5144                 }
5145                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5146                 break;
5147
5148         case LFUN_UP_SELECT:
5149         case LFUN_UP:
5150                 if (!(cur.selection() && cur.selIsMultiCell()))
5151                         cell(cur.idx())->dispatch(cur, cmd);
5152                 cur.dispatched(); // override the cell's decision
5153                 if (sl == cur.top()) {
5154                         // if our Text didn't do anything to the cursor
5155                         // then we try to put the cursor into the cell above
5156                         // setting also the right targetX.
5157                         cur.selHandle(act == LFUN_UP_SELECT);
5158                         if (tabular.cellRow(cur.idx()) != 0) {
5159                                 int const xtarget = cur.targetX();
5160                                 // WARNING: Once cur.idx() has been reset, the cursor is in
5161                                 // an inconsistent state until pos() has been set. Be careful
5162                                 // what you do with it!
5163                                 cur.idx() = tabular.cellAbove(cur.idx());
5164                                 cur.pit() = cur.lastpit();
5165                                 Text const * text = cell(cur.idx())->getText(0);
5166                                 TextMetrics const & tm = cur.bv().textMetrics(text);
5167                                 ParagraphMetrics const & pm =
5168                                         tm.parMetrics(cur.lastpit());
5169                                 cur.pos() = tm.x2pos(cur.pit(), pm.rows().size()-1, xtarget);
5170                                 cur.setCurrentFont();
5171                         }
5172                 }
5173                 if (sl == cur.top()) {
5174                         cmd = FuncRequest(LFUN_UP);
5175                         cur.undispatched();
5176                 }
5177                 if (cur.selIsMultiCell()) {
5178                         cur.pit() = 0;
5179                         cur.pos() = cur.lastpos();
5180                         cur.setCurrentFont();
5181                         cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5182                         return;
5183                 }
5184                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5185                 break;
5186
5187         case LFUN_LAYOUT_TABULAR:
5188                 cur.bv().showDialog("tabular");
5189                 break;
5190
5191         case LFUN_INSET_MODIFY:
5192                 // we come from the dialog
5193                 if (cmd.getArg(0) == "tabular")
5194                         tabularFeatures(cur, cmd.getLongArg(1));
5195                 else
5196                         cur.undispatched();
5197                 break;
5198
5199         case LFUN_TABULAR_FEATURE:
5200                 tabularFeatures(cur, to_utf8(cmd.argument()));
5201                 break;
5202
5203         // insert file functions
5204         case LFUN_FILE_INSERT_PLAINTEXT_PARA:
5205         case LFUN_FILE_INSERT_PLAINTEXT:
5206                 // FIXME UNICODE
5207                 if (FileName::isAbsolute(to_utf8(cmd.argument()))) {
5208                         docstring const tmpstr = cur.bv().contentsOfPlaintextFile(
5209                                 FileName(to_utf8(cmd.argument())));
5210                         if (tmpstr.empty())
5211                                 break;
5212                         cur.recordUndoInset();
5213                         if (insertPlaintextString(cur.bv(), tmpstr, false)) {
5214                                 // content has been replaced,
5215                                 // so cursor might be invalid
5216                                 cur.pos() = cur.lastpos();
5217                                 cur.pit() = cur.lastpit();
5218                                 bvcur.setCursor(cur);
5219                         } else
5220                                 cur.undispatched();
5221                 }
5222                 break;
5223
5224         case LFUN_COPY:
5225                 if (cur.selIsMultiCell())
5226                         copySelection(cur);
5227                 else
5228                         cell(cur.idx())->dispatch(cur, cmd);
5229                 break;
5230
5231         case LFUN_CUT:
5232                 if (cur.selIsMultiCell()) {
5233                         if (copySelection(cur)) {
5234                                 cur.recordUndoInset();
5235                                 cutSelection(cur);
5236                         }
5237                 } else
5238                         cell(cur.idx())->dispatch(cur, cmd);
5239                 break;
5240
5241         case LFUN_SELF_INSERT:
5242                 if (cur.selIsMultiCell()) {
5243                         cur.recordUndoInset();
5244                         cutSelection(cur);
5245                         BufferView * bv = &cur.bv();
5246                         docstring::const_iterator cit = cmd.argument().begin();
5247                         docstring::const_iterator const end = cmd.argument().end();
5248                         for (; cit != end; ++cit)
5249                                 bv->translateAndInsert(*cit, getText(cur.idx()), cur);
5250
5251                         cur.resetAnchor();
5252                         bv->bookmarkEditPosition();
5253                 } else
5254                         cell(cur.idx())->dispatch(cur, cmd);
5255                 break;
5256
5257         case LFUN_CHAR_DELETE_BACKWARD:
5258         case LFUN_CHAR_DELETE_FORWARD:
5259                 if (cur.selIsMultiCell()) {
5260                         cur.recordUndoInset();
5261                         cutSelection(cur);
5262                 } else
5263                         cell(cur.idx())->dispatch(cur, cmd);
5264                 break;
5265
5266         case LFUN_CLIPBOARD_PASTE:
5267         case LFUN_PRIMARY_SELECTION_PASTE: {
5268                 docstring const clip = (act == LFUN_CLIPBOARD_PASTE) ?
5269                         theClipboard().getAsText(Clipboard::PlainTextType) :
5270                         theSelection().get();
5271                 if (clip.empty())
5272                         break;
5273                 // pass to InsertPlaintextString, but
5274                 // only if we have multi-cell content
5275                 if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
5276                         cur.recordUndoInset();
5277                         if (insertPlaintextString(cur.bv(), clip, false)) {
5278                                 // content has been replaced,
5279                                 // so cursor might be invalid
5280                                 cur.fixIfBroken();
5281                                 bvcur.setCursor(cur);
5282                                 break;
5283                         }
5284                 }
5285                 // Let the cell handle normal text
5286                 cell(cur.idx())->dispatch(cur, cmd);
5287                 break;
5288         }
5289
5290         case LFUN_PASTE:
5291                 if (!tabularStackDirty()) {
5292                         // Check if we have plain text or HTML with rows/columns.
5293                         // and if so, pass over to LFUN_CLIPBOARD_PASTE
5294                         if (theClipboard().hasTextContents(Clipboard::AnyTextType)
5295                             && !theClipboard().hasTextContents(Clipboard::LyXTextType)) {
5296                                 docstring const clip =
5297                                         theClipboard().getAsText(Clipboard::AnyTextType);
5298                                 if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
5299                                         FuncRequest ncmd = FuncRequest(LFUN_CLIPBOARD_PASTE, cmd.argument());
5300                                         doDispatch(cur, ncmd);
5301                                         break;
5302                                 }
5303                         }
5304                         else if (!theClipboard().isInternal()
5305                                  && theClipboard().hasTextContents(Clipboard::LyXTextType)) {
5306                                 // This might be tabular data from another LyX instance. Check!
5307                                 docstring const clip =
5308                                         theClipboard().getAsText(Clipboard::PlainTextType);
5309                                 if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
5310                                         FuncRequest ncmd = FuncRequest(LFUN_CLIPBOARD_PASTE, cmd.argument());
5311                                         doDispatch(cur, ncmd);
5312                                         break;
5313                                 }
5314                         }
5315                         if (!cur.selIsMultiCell())
5316                                 cell(cur.idx())->dispatch(cur, cmd);
5317                         break;
5318                 }
5319                 if (theClipboard().isInternal()) {
5320                         cur.recordUndoInset();
5321                         pasteClipboard(cur);
5322                 }
5323                 break;
5324
5325         case LFUN_CHANGE_ACCEPT:
5326         case LFUN_CHANGE_REJECT:
5327         case LFUN_FONT_EMPH:
5328         case LFUN_FONT_BOLD:
5329         case LFUN_FONT_BOLDSYMBOL:
5330         case LFUN_FONT_ROMAN:
5331         case LFUN_FONT_NOUN:
5332         case LFUN_FONT_ITAL:
5333         case LFUN_FONT_FRAK:
5334         case LFUN_FONT_TYPEWRITER:
5335         case LFUN_FONT_SANS:
5336         case LFUN_TEXTSTYLE_APPLY:
5337         case LFUN_TEXTSTYLE_UPDATE:
5338         case LFUN_FONT_SIZE:
5339         case LFUN_FONT_UNDERLINE:
5340         case LFUN_FONT_STRIKEOUT:
5341         case LFUN_FONT_CROSSOUT:
5342         case LFUN_FONT_UNDERUNDERLINE:
5343         case LFUN_FONT_UNDERWAVE:
5344         case LFUN_LANGUAGE:
5345         case LFUN_PARAGRAPH_PARAMS_APPLY:
5346         case LFUN_PARAGRAPH_PARAMS:
5347         case LFUN_WORD_CAPITALIZE:
5348         case LFUN_WORD_UPCASE:
5349         case LFUN_WORD_LOWCASE:
5350         case LFUN_CHARS_TRANSPOSE: {
5351                 bool const ct = (act == LFUN_CHANGE_ACCEPT || act == LFUN_CHANGE_REJECT);
5352                 if (cur.selIsMultiCell()) {
5353                         row_type rs, re;
5354                         col_type cs, ce;
5355                         getSelection(cur, rs, re, cs, ce);
5356                         Cursor tmpcur = cur;
5357                         for (row_type r = rs; r <= re; ++r) {
5358                                 if (ct && cs == 0 && ce == tabular.ncols() - 1) {
5359                                         // whole row selected
5360                                         if (act == LFUN_CHANGE_ACCEPT) {
5361                                                 if (tabular.row_info[r].change.inserted())
5362                                                         tabular.row_info[r].change.setUnchanged();
5363                                                 else if (tabular.row_info[r].change.deleted()) {
5364                                                         tabular.deleteRow(r, true);
5365                                                         --re;
5366                                                         continue;
5367                                                 }
5368                                         } else {
5369                                                 if (tabular.row_info[r].change.deleted())
5370                                                         tabular.row_info[r].change.setUnchanged();
5371                                                 else if (tabular.row_info[r].change.inserted()) {
5372                                                         tabular.deleteRow(r, true);
5373                                                         --re;
5374                                                         continue;
5375                                                 }
5376                                         }
5377                                 }
5378                                 for (col_type c = cs; c <= ce; ++c) {
5379                                         if (ct && rs == 0 && re == tabular.nrows() - 1) {
5380                                                 // whole col selected
5381                                                 if (act == LFUN_CHANGE_ACCEPT) {
5382                                                         if (tabular.column_info[c].change.inserted())
5383                                                                 tabular.column_info[c].change.setUnchanged();
5384                                                         else if (tabular.column_info[c].change.deleted()) {
5385                                                                 tabular.deleteColumn(c, true);
5386                                                                 --ce;
5387                                                                 continue;
5388                                                         }
5389                                                 } else {
5390                                                         if (tabular.column_info[c].change.deleted())
5391                                                                 tabular.column_info[c].change.setUnchanged();
5392                                                         else if (tabular.column_info[c].change.inserted()) {
5393                                                                 tabular.deleteColumn(c, true);
5394                                                                 --ce;
5395                                                                 continue;
5396                                                         }
5397                                                 }
5398                                         }
5399                                         // cursor follows cell:
5400                                         tmpcur.idx() = tabular.cellIndex(r, c);
5401                                         // select this cell only:
5402                                         tmpcur.pit() = 0;
5403                                         tmpcur.pos() = 0;
5404                                         tmpcur.resetAnchor();
5405                                         tmpcur.pit() = tmpcur.lastpit();
5406                                         tmpcur.pos() = tmpcur.top().lastpos();
5407                                         tmpcur.setCursor(tmpcur);
5408                                         tmpcur.setSelection();
5409                                         cell(tmpcur.idx())->dispatch(tmpcur, cmd);
5410                                 }
5411                         }
5412                         if (ct) {
5413                                 tabular.updateIndexes();
5414                                 // cursor might be invalid
5415                                 cur.fixIfBroken();
5416                                 // change bar might need to be redrawn
5417                                 cur.screenUpdateFlags(Update::Force);
5418                                 cur.forceBufferUpdate();
5419                         }
5420                         break;
5421                 } else {
5422                         cell(cur.idx())->dispatch(cur, cmd);
5423                         break;
5424                 }
5425         }
5426
5427         case LFUN_CHANGE_NEXT:
5428         case LFUN_CHANGE_PREVIOUS: {
5429                 // BufferView::dispatch has already moved the cursor, we just
5430                 // need to select here if we have a changed row or column
5431                 if (tabular.row_info[tabular.cellRow(cur.idx())].change.changed()) {
5432                         // select row
5433                         cur.idx() = tabular.getFirstCellInRow(tabular.cellRow(cur.idx()));
5434                         cur.pit() = 0;
5435                         cur.pos() = 0;
5436                         cur.resetAnchor();
5437                         cur.idx() = tabular.getLastCellInRow(tabular.cellRow(cur.idx()));
5438                         cur.pit() = cur.lastpit();
5439                         cur.pos() = cur.lastpos();
5440                         cur.selection(true);
5441                         bvcur = cur;
5442                         rowselect_ = true;
5443                 }
5444                 else if (tabular.column_info[tabular.cellColumn(cur.idx())].change.changed()) {
5445                         // select column
5446                         cur.idx() = tabular.cellIndex(0, tabular.cellColumn(cur.idx()));
5447                         cur.pit() = 0;
5448                         cur.pos() = 0;
5449                         cur.resetAnchor();
5450                         cur.idx() = tabular.cellIndex(tabular.nrows() - 1, tabular.cellColumn(cur.idx()));
5451                         cur.pit() = cur.lastpit();
5452                         cur.pos() = cur.lastpos();
5453                         cur.selection(true);
5454                         bvcur = cur;
5455                         colselect_ = true;
5456                 }
5457                 break;
5458         }
5459
5460         case LFUN_INSET_SETTINGS:
5461                 // relay this lfun to Inset, not to the cell.
5462                 Inset::doDispatch(cur, cmd);
5463                 break;
5464
5465         default:
5466                 // we try to handle this event in the insets dispatch function.
5467                 cell(cur.idx())->dispatch(cur, cmd);
5468                 break;
5469         }
5470 }
5471
5472
5473 bool InsetTabular::getFeatureStatus(Cursor & cur, string const & s,
5474                       string const & argument, FuncStatus & status) const
5475 {
5476
5477                 int action = Tabular::LAST_ACTION;
5478                 int i = 0;
5479                 for (; tabularFeature[i].action != Tabular::LAST_ACTION; ++i) {
5480                         if (tabularFeature[i].feature == s) {
5481                                 action = tabularFeature[i].action;
5482                                 break;
5483                         }
5484                 }
5485                 if (action == Tabular::LAST_ACTION) {
5486                         status.clear();
5487                         status.setUnknown(true);
5488                         return true;
5489                 }
5490
5491                 row_type sel_row_start = 0;
5492                 row_type sel_row_end = 0;
5493                 col_type sel_col_start = 0;
5494                 col_type sel_col_end = 0;
5495                 Tabular::ltType dummyltt;
5496                 bool flag = true;
5497
5498                 getSelection(cur, sel_row_start, sel_row_end, sel_col_start, sel_col_end);
5499
5500                 switch (action) {
5501                 case Tabular::SET_PWIDTH:
5502                 case Tabular::SET_MPWIDTH:
5503                 case Tabular::TOGGLE_VARWIDTH_COLUMN:
5504                 case Tabular::SET_SPECIAL_COLUMN:
5505                 case Tabular::SET_SPECIAL_MULTICOLUMN:
5506                 case Tabular::APPEND_ROW:
5507                 case Tabular::APPEND_COLUMN:
5508                 case Tabular::COPY_ROW:
5509                 case Tabular::COPY_COLUMN:
5510                 case Tabular::SET_TOP_SPACE:
5511                 case Tabular::SET_BOTTOM_SPACE:
5512                 case Tabular::SET_INTERLINE_SPACE:
5513                         status.clear();
5514                         return true;
5515
5516                 case Tabular::DELETE_ROW:
5517                         status.setEnabled(tabular.nrows() > 1);
5518                         break;
5519                 case Tabular::DELETE_COLUMN:
5520                         status.setEnabled(tabular.ncols() > 1);
5521                         break;
5522
5523                 case Tabular::SET_TABULAR_WIDTH:
5524                         status.setEnabled(!tabular.rotate
5525                                 && tabular.tabular_valignment == Tabular::LYX_VALIGN_MIDDLE);
5526                         break;
5527
5528                 case Tabular::MOVE_COLUMN_RIGHT:
5529                 case Tabular::MOVE_COLUMN_LEFT:
5530                 case Tabular::MOVE_ROW_DOWN:
5531                 case Tabular::MOVE_ROW_UP: {
5532                         row_type rs, re;
5533                         col_type cs, ce;
5534                         if (cur.selIsMultiCell())
5535                                 getSelection(cur, rs, re, cs, ce);
5536                         else {
5537                                 rs = tabular.cellRow(cur.idx());
5538                                 re = rs;
5539                                 cs = tabular.cellColumn(cur.idx());
5540                                 ce = cs;
5541                         }
5542                         if ((action == Tabular::MOVE_COLUMN_RIGHT
5543                              && tabular.ncols() == ce + 1)
5544                             || (action == Tabular::MOVE_COLUMN_LEFT && cs == 0)
5545                             || (action == Tabular::MOVE_ROW_DOWN
5546                                 && tabular.nrows() == re + 1)
5547                             || (action == Tabular::MOVE_ROW_UP && rs == 0)) {
5548                                         status.setEnabled(false);
5549                                         break;
5550                         }
5551
5552                         if (action == Tabular::MOVE_COLUMN_RIGHT
5553                             || action == Tabular::MOVE_COLUMN_LEFT) {
5554                                 bool has_multicol = (action == Tabular::MOVE_COLUMN_RIGHT)
5555                                                 ? tabular.hasMultiColumn(ce + 1)
5556                                                 : tabular.hasMultiColumn(cs - 1);
5557                                 for (col_type c = cs; c <= ce; ++c) {
5558                                         if (tabular.hasMultiColumn(c)) {
5559                                                 has_multicol = true;
5560                                                 break;
5561                                         }
5562                                 }
5563                                 if (has_multicol) {
5564                                         status.message(_("Column movement not supported with multi-columns."));
5565                                         status.setEnabled(false);
5566                                         break;
5567                                 }
5568                         }
5569
5570                         if (action == Tabular::MOVE_ROW_DOWN
5571                             || action == Tabular::MOVE_ROW_UP) {
5572                                 bool has_multirow = (action == Tabular::MOVE_ROW_DOWN)
5573                                                 ? tabular.hasMultiRow(re + 1)
5574                                                 : tabular.hasMultiRow(rs - 1);
5575                                 for (row_type r = rs; r <= re; ++r) {
5576                                         if (tabular.hasMultiRow(r)) {
5577                                                 has_multirow = true;
5578                                                 break;
5579                                         }
5580                                 }
5581                                 if (has_multirow) {
5582                                         status.message(_("Row movement not supported with multi-rows."));
5583                                         status.setEnabled(false);
5584                                         break;
5585                                 }
5586                         }
5587
5588                         status.setEnabled(true);
5589                         break;
5590                 }
5591
5592                 case Tabular::SET_DECIMAL_POINT:
5593                         status.setEnabled(
5594                                 tabular.getAlignment(cur.idx()) == LYX_ALIGN_DECIMAL);
5595                         break;
5596
5597                 case Tabular::SET_MULTICOLUMN:
5598                 case Tabular::UNSET_MULTICOLUMN:
5599                 case Tabular::MULTICOLUMN:
5600                         // If a row is set as longtable caption, it must not be allowed
5601                         // to unset that this row is a multicolumn.
5602                         status.setEnabled(sel_row_start == sel_row_end
5603                                 && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5604                         status.setOnOff(tabular.isMultiColumn(cur.idx()));
5605                         break;
5606
5607                 case Tabular::SET_MULTIROW:
5608                 case Tabular::UNSET_MULTIROW:
5609                 case Tabular::MULTIROW:
5610                         // If a row is set as longtable caption, it must not be allowed
5611                         // to unset that this row is a multirow.
5612                         status.setEnabled(sel_col_start == sel_col_end
5613                                 && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5614                         status.setOnOff(tabular.isMultiRow(cur.idx()));
5615                         break;
5616
5617                 case Tabular::TOGGLE_INNER_LINES:
5618                         status.setOnOff(tabular.innerBorders(sel_row_start, sel_row_end,
5619                                                                                                  sel_col_start, sel_col_end));
5620                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5621                         break;
5622                 case Tabular::TOGGLE_ALL_LINES:
5623                         status.setOnOff(tabular.innerBorders(sel_row_start, sel_row_end,
5624                                                                                                  sel_col_start, sel_col_end)
5625                                                 && tabular.outsideBorders(sel_row_start, sel_row_end,
5626                                                                                                   sel_col_start, sel_col_end));
5627                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5628                         break;
5629                 case Tabular::SET_ALL_LINES:
5630                 case Tabular::UNSET_ALL_LINES:
5631                 case Tabular::SET_INNER_LINES:
5632                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5633                         break;
5634
5635                 case Tabular::TOGGLE_BORDER_LINES:
5636                         status.setOnOff(tabular.outsideBorders(sel_row_start, sel_row_end,
5637                                                                                                    sel_col_start, sel_col_end));
5638                         // fall through
5639                 case Tabular::SET_BORDER_LINES:
5640                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5641                         break;
5642
5643                 case Tabular::RESET_FORMAL_DEFAULT:
5644                         status.setEnabled(tabular.use_booktabs);
5645                         break;
5646
5647                 case Tabular::SET_LINE_TOP:
5648                 case Tabular::SET_LINE_BOTTOM:
5649                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5650                         break;
5651
5652                 case Tabular::SET_LINE_LEFT:
5653                 case Tabular::SET_LINE_RIGHT:
5654                         status.setEnabled(!tabular.use_booktabs
5655                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5656                         break;
5657
5658                 case Tabular::SET_LTRIM_TOP:
5659                 case Tabular::SET_RTRIM_TOP:
5660                         status.setEnabled(tabular.use_booktabs
5661                                           && tabular.cellRow(cur.idx()) != 0
5662                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5663                         break;
5664
5665                 case Tabular::SET_LTRIM_BOTTOM:
5666                 case Tabular::SET_RTRIM_BOTTOM:
5667                         status.setEnabled(tabular.use_booktabs
5668                                           && tabular.cellRow(cur.idx()) != tabular.nrows() - 1
5669                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5670                         break;
5671
5672                 case Tabular::TOGGLE_LINE_TOP:
5673                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5674                         status.setOnOff(tabular.topLine(cur.idx()));
5675                         break;
5676
5677                 case Tabular::TOGGLE_LINE_BOTTOM:
5678                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5679                         status.setOnOff(tabular.bottomLine(cur.idx()));
5680                         break;
5681
5682                 case Tabular::TOGGLE_LINE_LEFT:
5683                         status.setEnabled(!tabular.use_booktabs
5684                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5685                         status.setOnOff(tabular.leftLine(cur.idx()));
5686                         break;
5687
5688                 case Tabular::TOGGLE_LINE_RIGHT:
5689                         status.setEnabled(!tabular.use_booktabs
5690                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5691                         status.setOnOff(tabular.rightLine(cur.idx()));
5692                         break;
5693
5694                 case Tabular::TOGGLE_LTRIM_TOP:
5695                         status.setEnabled(tabular.use_booktabs
5696                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5697                         status.setOnOff(tabular.topLineTrim(cur.idx()).first);
5698                         break;
5699
5700                 case Tabular::TOGGLE_RTRIM_TOP:
5701                         status.setEnabled(tabular.use_booktabs
5702                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5703                         status.setOnOff(tabular.topLineTrim(cur.idx()).second);
5704                         break;
5705
5706                 case Tabular::TOGGLE_LTRIM_BOTTOM:
5707                         status.setEnabled(tabular.use_booktabs
5708                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5709                         status.setOnOff(tabular.bottomLineTrim(cur.idx()).first);
5710                         break;
5711
5712                 case Tabular::TOGGLE_RTRIM_BOTTOM:
5713                         status.setEnabled(tabular.use_booktabs
5714                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5715                         status.setOnOff(tabular.bottomLineTrim(cur.idx()).second);
5716                         break;
5717
5718                 // multirow cells only inherit the alignment of the column if the column has
5719                 // no width, otherwise they are left-aligned
5720                 // therefore allow always left but right and center only if there is no width
5721                 case Tabular::M_ALIGN_LEFT:
5722                         flag = false;
5723                         // fall through
5724                 case Tabular::ALIGN_LEFT:
5725                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_LEFT);
5726                         break;
5727
5728                 case Tabular::M_ALIGN_RIGHT:
5729                         flag = false;
5730                         // fall through
5731                 case Tabular::ALIGN_RIGHT:
5732                         status.setEnabled(!(tabular.isMultiRow(cur.idx())
5733                                 && !tabular.getPWidth(cur.idx()).zero()));
5734                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_RIGHT);
5735                         break;
5736
5737                 case Tabular::M_ALIGN_CENTER:
5738                         flag = false;
5739                         // fall through
5740                 case Tabular::ALIGN_CENTER:
5741                         status.setEnabled(!(tabular.isMultiRow(cur.idx())
5742                                 && !tabular.getPWidth(cur.idx()).zero()));
5743                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_CENTER);
5744                         break;
5745
5746                 case Tabular::ALIGN_BLOCK:
5747                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
5748                                 && !tabular.isMultiRow(cur.idx()));
5749                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_BLOCK);
5750                         break;
5751
5752                 case Tabular::ALIGN_DECIMAL:
5753                         status.setEnabled(!tabular.isMultiRow(cur.idx())
5754                                 && !tabular.isMultiColumn(cur.idx()));
5755                         status.setOnOff(tabular.getAlignment(cur.idx(), true) == LYX_ALIGN_DECIMAL);
5756                         break;
5757
5758                 case Tabular::M_VALIGN_TOP:
5759                         flag = false;
5760                         // fall through
5761                 case Tabular::VALIGN_TOP:
5762                         status.setEnabled((!tabular.getPWidth(cur.idx()).zero()
5763                                            || tabular.getUsebox(cur.idx()) == Tabular::BOX_VARWIDTH));
5764                         status.setOnOff(
5765                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_TOP);
5766                         break;
5767
5768                 case Tabular::M_VALIGN_BOTTOM:
5769                         flag = false;
5770                         // fall through
5771                 case Tabular::VALIGN_BOTTOM:
5772                         status.setEnabled((!tabular.getPWidth(cur.idx()).zero()
5773                                            || tabular.getUsebox(cur.idx()) == Tabular::BOX_VARWIDTH));
5774                         status.setOnOff(
5775                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_BOTTOM);
5776                         break;
5777
5778                 case Tabular::M_VALIGN_MIDDLE:
5779                         flag = false;
5780                         // fall through
5781                 case Tabular::VALIGN_MIDDLE:
5782                         status.setEnabled((!tabular.getPWidth(cur.idx()).zero()
5783                                            || tabular.getUsebox(cur.idx()) == Tabular::BOX_VARWIDTH));
5784                         status.setOnOff(
5785                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_MIDDLE);
5786                         break;
5787
5788                 case Tabular::SET_LONGTABULAR:
5789                 case Tabular::TOGGLE_LONGTABULAR:
5790                         // setting as longtable is not allowed when table is inside a float
5791                         if (cur.innerInsetOfType(FLOAT_CODE) != nullptr
5792                                 || cur.innerInsetOfType(WRAP_CODE) != nullptr)
5793                                 status.setEnabled(false);
5794                         else
5795                                 status.setEnabled(true);
5796                         status.setOnOff(tabular.is_long_tabular);
5797                         break;
5798
5799                 case Tabular::UNSET_LONGTABULAR:
5800                         status.setOnOff(!tabular.is_long_tabular);
5801                         break;
5802
5803                 case Tabular::TOGGLE_ROTATE_TABULAR:
5804                 case Tabular::SET_ROTATE_TABULAR:
5805                         status.setOnOff(tabular.rotate != 0);
5806                         break;
5807
5808                 case Tabular::TABULAR_VALIGN_TOP:
5809                         status.setEnabled(tabular.tabular_width.zero());
5810                         status.setOnOff(tabular.tabular_valignment
5811                                 == Tabular::LYX_VALIGN_TOP);
5812                         break;
5813                 case Tabular::TABULAR_VALIGN_MIDDLE:
5814                         status.setEnabled(tabular.tabular_width.zero());
5815                         status.setOnOff(tabular.tabular_valignment
5816                                 == Tabular::LYX_VALIGN_MIDDLE);
5817                         break;
5818                 case Tabular::TABULAR_VALIGN_BOTTOM:
5819                         status.setEnabled(tabular.tabular_width.zero());
5820                         status.setOnOff(tabular.tabular_valignment
5821                                 == Tabular::LYX_VALIGN_BOTTOM);
5822                         break;
5823
5824                 case Tabular::LONGTABULAR_ALIGN_LEFT:
5825                         status.setOnOff(tabular.longtabular_alignment
5826                                 == Tabular::LYX_LONGTABULAR_ALIGN_LEFT);
5827                         break;
5828                 case Tabular::LONGTABULAR_ALIGN_CENTER:
5829                         status.setOnOff(tabular.longtabular_alignment
5830                                 == Tabular::LYX_LONGTABULAR_ALIGN_CENTER);
5831                         break;
5832                 case Tabular::LONGTABULAR_ALIGN_RIGHT:
5833                         status.setOnOff(tabular.longtabular_alignment
5834                                 == Tabular::LYX_LONGTABULAR_ALIGN_RIGHT);
5835                         break;
5836
5837                 case Tabular::UNSET_ROTATE_TABULAR:
5838                         status.setOnOff(tabular.rotate == 0);
5839                         break;
5840
5841                 case Tabular::TOGGLE_ROTATE_CELL:
5842                 case Tabular::SET_ROTATE_CELL:
5843                         status.setOnOff(!oneCellHasRotationState(false,
5844                                 sel_row_start, sel_row_end, sel_col_start, sel_col_end));
5845                         break;
5846
5847                 case Tabular::UNSET_ROTATE_CELL:
5848                         status.setOnOff(!oneCellHasRotationState(true,
5849                                 sel_row_start, sel_row_end, sel_col_start, sel_col_end));
5850                         break;
5851
5852                 case Tabular::SET_USEBOX:
5853                         status.setOnOff(convert<int>(argument) == tabular.getUsebox(cur.idx()));
5854                         break;
5855
5856                 // every row can only be one thing:
5857                 // either a footer or header
5858                 case Tabular::SET_LTFIRSTHEAD:
5859                         status.setEnabled(sel_row_start == sel_row_end);
5860                         status.setOnOff(tabular.getRowOfLTFirstHead(sel_row_start, dummyltt));
5861                         break;
5862
5863                 case Tabular::UNSET_LTFIRSTHEAD:
5864                         status.setEnabled(sel_row_start == sel_row_end);
5865                         status.setOnOff(!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt));
5866                         break;
5867
5868                 case Tabular::SET_LTHEAD:
5869                         status.setEnabled(sel_row_start == sel_row_end);
5870                         status.setOnOff(tabular.getRowOfLTHead(sel_row_start, dummyltt));
5871                         break;
5872
5873                 case Tabular::UNSET_LTHEAD:
5874                         status.setEnabled(sel_row_start == sel_row_end);
5875                         status.setOnOff(!tabular.getRowOfLTHead(sel_row_start, dummyltt));
5876                         break;
5877
5878                 case Tabular::SET_LTFOOT:
5879                         status.setEnabled(sel_row_start == sel_row_end);
5880                         status.setOnOff(tabular.getRowOfLTFoot(sel_row_start, dummyltt));
5881                         break;
5882
5883                 case Tabular::UNSET_LTFOOT:
5884                         status.setEnabled(sel_row_start == sel_row_end);
5885                         status.setOnOff(!tabular.getRowOfLTFoot(sel_row_start, dummyltt));
5886                         break;
5887
5888                 case Tabular::SET_LTLASTFOOT:
5889                         status.setEnabled(sel_row_start == sel_row_end);
5890                         status.setOnOff(tabular.getRowOfLTLastFoot(sel_row_start, dummyltt));
5891                         break;
5892
5893                 case Tabular::UNSET_LTLASTFOOT:
5894                         status.setEnabled(sel_row_start == sel_row_end);
5895                         status.setOnOff(!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt));
5896                         break;
5897
5898                 case Tabular::SET_LTNEWPAGE:
5899                         status.setOnOff(tabular.getLTNewPage(sel_row_start));
5900                         break;
5901                 case Tabular::UNSET_LTNEWPAGE:
5902                         status.setOnOff(!tabular.getLTNewPage(sel_row_start));
5903                         break;
5904
5905                 // only one row in head/firsthead/foot/lasthead can be the caption
5906                 // and a multirow cannot be set as caption
5907                 case Tabular::SET_LTCAPTION:
5908                         status.setEnabled(sel_row_start == sel_row_end
5909                                 && (!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt)
5910                                  || !tabular.haveLTCaption(Tabular::CAPTION_FIRSTHEAD))
5911                                 && (!tabular.getRowOfLTHead(sel_row_start, dummyltt)
5912                                  || !tabular.haveLTCaption(Tabular::CAPTION_HEAD))
5913                                 && (!tabular.getRowOfLTFoot(sel_row_start, dummyltt)
5914                                  || !tabular.haveLTCaption(Tabular::CAPTION_FOOT))
5915                                 && (!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt)
5916                                  || !tabular.haveLTCaption(Tabular::CAPTION_LASTFOOT))
5917                                 && !tabular.isMultiRow(sel_row_start));
5918                         status.setOnOff(tabular.ltCaption(sel_row_start));
5919                         break;
5920
5921                 case Tabular::UNSET_LTCAPTION:
5922                         status.setEnabled(sel_row_start == sel_row_end && tabular.ltCaption(sel_row_start));
5923                         break;
5924
5925                 case Tabular::TOGGLE_LTCAPTION:
5926                         status.setEnabled(sel_row_start == sel_row_end && (tabular.ltCaption(sel_row_start)
5927                                 || ((!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt)
5928                                   || !tabular.haveLTCaption(Tabular::CAPTION_FIRSTHEAD))
5929                                  && (!tabular.getRowOfLTHead(sel_row_start, dummyltt)
5930                                   || !tabular.haveLTCaption(Tabular::CAPTION_HEAD))
5931                                  && (!tabular.getRowOfLTFoot(sel_row_start, dummyltt)
5932                                   || !tabular.haveLTCaption(Tabular::CAPTION_FOOT))
5933                                  && (!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt)
5934                                   || !tabular.haveLTCaption(Tabular::CAPTION_LASTFOOT)))));
5935                         status.setOnOff(tabular.ltCaption(sel_row_start));
5936                         break;
5937
5938                 case Tabular::TOGGLE_BOOKTABS:
5939                 case Tabular::SET_BOOKTABS:
5940                         status.setOnOff(tabular.use_booktabs);
5941                         break;
5942
5943                 case Tabular::UNSET_BOOKTABS:
5944                         status.setOnOff(!tabular.use_booktabs);
5945                         break;
5946
5947                 default:
5948                         status.clear();
5949                         status.setEnabled(false);
5950                         break;
5951                 }
5952                 return true;
5953 }
5954
5955
5956 // function sets an object as defined in FuncStatus.h:
5957 // states OK, Unknown, Disabled, On, Off.
5958 bool InsetTabular::getStatus(Cursor & cur, FuncRequest const & cmd,
5959                              FuncStatus & status) const
5960 {
5961         switch (cmd.action()) {
5962         case LFUN_INSET_MODIFY:
5963                 if (cmd.getArg(0) != "tabular")
5964                         break;
5965                 if (cmd.getArg(1) == "for-dialog") {
5966                         // The dialog is asking the status of a command
5967                         if (&cur.inset() != this)
5968                                 break;
5969                         string action = cmd.getArg(2);
5970                         string arg = cmd.getLongArg(3);
5971                         return getFeatureStatus(cur, action, arg, status);
5972                 } else {
5973                         // We always enable the lfun if it is coming from the dialog
5974                         // because the dialog makes sure all the settings are valid,
5975                         // even though the first argument might not be valid now.
5976                         status.setEnabled(true);
5977                         return true;
5978                 }
5979
5980         case LFUN_TABULAR_FEATURE: {
5981                 if (&cur.inset() != this)
5982                         break;
5983                 string action = cmd.getArg(0);
5984                 string arg = cmd.getLongArg(1);
5985                 return getFeatureStatus(cur, action, arg, status);
5986         }
5987
5988         case LFUN_CAPTION_INSERT: {
5989                 // caption is only allowed in caption cell of longtable
5990                 if (!tabular.ltCaption(tabular.cellRow(cur.idx()))) {
5991                         status.setEnabled(false);
5992                         return true;
5993                 }
5994                 // only standard caption is allowed
5995                 string arg = cmd.getArg(0);
5996                 if (!arg.empty() && arg != "Standard") {
5997                         status.setEnabled(false);
5998                         return true;
5999                 }
6000                 // check if there is already a caption
6001                 bool have_caption = false;
6002                 InsetTableCell itc = *tabular.cellInset(cur.idx());
6003                 ParagraphList::const_iterator pit = itc.paragraphs().begin();
6004                 ParagraphList::const_iterator pend = itc.paragraphs().end();
6005                 for (; pit != pend; ++pit) {
6006                         InsetList::const_iterator it  = pit->insetList().begin();
6007                         InsetList::const_iterator end = pit->insetList().end();
6008                         for (; it != end; ++it) {
6009                                 if (it->inset->lyxCode() == CAPTION_CODE) {
6010                                         have_caption = true;
6011                                         break;
6012                                 }
6013                         }
6014                 }
6015                 status.setEnabled(!have_caption);
6016                 return true;
6017         }
6018
6019         // These are only enabled inside tabular
6020         case LFUN_CELL_BACKWARD:
6021         case LFUN_CELL_FORWARD:
6022                 status.setEnabled(true);
6023                 return true;
6024
6025         // disable these with multiple cells selected
6026         case LFUN_INSET_INSERT:
6027         case LFUN_TABULAR_INSERT:
6028         case LFUN_TABULAR_STYLE_INSERT:
6029         case LFUN_FLEX_INSERT:
6030         case LFUN_FLOAT_INSERT:
6031         case LFUN_FLOAT_WIDE_INSERT:
6032         case LFUN_FOOTNOTE_INSERT:
6033         case LFUN_MARGINALNOTE_INSERT:
6034         case LFUN_MATH_INSERT:
6035         case LFUN_MATH_MODE:
6036         case LFUN_MATH_MUTATE:
6037         case LFUN_MATH_DISPLAY:
6038         case LFUN_NOTE_INSERT:
6039         case LFUN_ARGUMENT_INSERT:
6040         case LFUN_BOX_INSERT:
6041         case LFUN_BRANCH_INSERT:
6042         case LFUN_PHANTOM_INSERT:
6043         case LFUN_WRAP_INSERT:
6044         case LFUN_PREVIEW_INSERT:
6045         case LFUN_ERT_INSERT: {
6046                 if (cur.selIsMultiCell()) {
6047                         status.setEnabled(false);
6048                         return true;
6049                 } else
6050                         return cell(cur.idx())->getStatus(cur, cmd, status);
6051         }
6052
6053         case LFUN_CHANGE_ACCEPT:
6054         case LFUN_CHANGE_REJECT: {
6055                 if (cur.selIsMultiCell()) {
6056                         row_type rs, re;
6057                         col_type cs, ce;
6058                         getSelection(cur, rs, re, cs, ce);
6059                         for (row_type r = rs; r <= re; ++r) {
6060                                 if (tabular.row_info[r].change.changed()) {
6061                                         status.setEnabled(true);
6062                                         return true;
6063                                 }
6064                                 for (col_type c = cs; c <= ce; ++c) {
6065                                         if (tabular.column_info[c].change.changed()) {
6066                                                 status.setEnabled(true);
6067                                                 return true;
6068                                         }
6069                                 }
6070                         }
6071                 } else {
6072                         if (tabular.row_info[tabular.cellRow(cur.idx())].change.changed()) {
6073                                 status.setEnabled(true);
6074                                 return true;
6075                         }
6076                         else if (tabular.column_info[tabular.cellColumn(cur.idx())].change.changed()) {
6077                                 status.setEnabled(true);
6078                                 return true;
6079                         }
6080                 }
6081                 return cell(cur.idx())->getStatus(cur, cmd, status);
6082         }
6083
6084         case LFUN_PARAGRAPH_BREAK:
6085         case LFUN_NEWLINE_INSERT:
6086                 return cell(cur.idx())->getStatus(cur, cmd, status);
6087
6088         case LFUN_NEWPAGE_INSERT:
6089                 status.setEnabled(false);
6090                 return true;
6091
6092         case LFUN_PASTE:
6093                 if (tabularStackDirty() && theClipboard().isInternal()) {
6094                         if (cur.selIsMultiCell()) {
6095                                 row_type rs, re;
6096                                 col_type cs, ce;
6097                                 getSelection(cur, rs, re, cs, ce);
6098                                 if (paste_tabular && paste_tabular->ncols() == ce - cs + 1
6099                                           && paste_tabular->nrows() == re - rs + 1)
6100                                         status.setEnabled(true);
6101                                 else {
6102                                         status.setEnabled(false);
6103                                         status.message(_("Selection size should match clipboard content."));
6104                                 }
6105                         } else
6106                                 status.setEnabled(true);
6107                         return true;
6108                 }
6109                 return cell(cur.idx())->getStatus(cur, cmd, status);
6110
6111         case LFUN_INSET_SETTINGS:
6112                 // relay this lfun to Inset, not to the cell.
6113                 return Inset::getStatus(cur, cmd, status);
6114
6115         default:
6116                 // we try to handle this event in the insets dispatch function.
6117                 return cell(cur.idx())->getStatus(cur, cmd, status);
6118         }
6119         return false;
6120 }
6121
6122
6123 int InsetTabular::rowFlags() const
6124 {
6125         if (tabular.is_long_tabular) {
6126                 switch (tabular.longtabular_alignment) {
6127                 case Tabular::LYX_LONGTABULAR_ALIGN_LEFT:
6128                         return Display | AlignLeft;
6129                 case Tabular::LYX_LONGTABULAR_ALIGN_CENTER:
6130                         return Display;
6131                 case Tabular::LYX_LONGTABULAR_ALIGN_RIGHT:
6132                         return Display | AlignRight;
6133                 default:
6134                         return Display;
6135                 }
6136         } else
6137                 return Inline;
6138 }
6139
6140
6141 void InsetTabular::latex(otexstream & os, OutputParams const & runparams) const
6142 {
6143         tabular.latex(os, runparams);
6144 }
6145
6146
6147 int InsetTabular::plaintext(odocstringstream & os,
6148         OutputParams const & runparams, size_t max_length) const
6149 {
6150         os << '\n'; // output table on a new line
6151         int const dp = runparams.linelen > 0 ? runparams.depth : 0;
6152         tabular.plaintext(os, runparams, dp, false, 0, max_length);
6153         return PLAINTEXT_NEWLINE;
6154 }
6155
6156
6157 void InsetTabular::docbook(XMLStream & xs, OutputParams const & runparams) const
6158 {
6159         tabular.docbook(xs, runparams);
6160 }
6161
6162
6163 docstring InsetTabular::xhtml(XMLStream & xs, OutputParams const & rp) const
6164 {
6165         return tabular.xhtml(xs, rp);
6166 }
6167
6168
6169 void InsetTabular::validate(LaTeXFeatures & features) const
6170 {
6171         tabular.validate(features);
6172         features.useInsetLayout(getLayout());
6173 }
6174
6175
6176 shared_ptr<InsetTableCell const> InsetTabular::cell(idx_type idx) const
6177 {
6178         return tabular.cellInset(idx);
6179 }
6180
6181
6182 shared_ptr<InsetTableCell> InsetTabular::cell(idx_type idx)
6183 {
6184         return tabular.cellInset(idx);
6185 }
6186
6187
6188 void InsetTabular::cursorPos(BufferView const & bv,
6189                 CursorSlice const & sl, bool boundary, int & x, int & y) const
6190 {
6191         cell(sl.idx())->cursorPos(bv, sl, boundary, x, y);
6192
6193         // y offset     correction
6194         y += cellYPos(sl.idx());
6195         y += tabular.textVOffset(sl.idx());
6196         y += tabular.offsetVAlignment();
6197
6198         // x offset correction
6199         x += cellXPos(sl.idx());
6200         x += tabular.textHOffset(sl.idx());
6201         x += ADD_TO_TABULAR_WIDTH;
6202 }
6203
6204
6205 int InsetTabular::dist(BufferView & bv, idx_type const cell, int x, int y) const
6206 {
6207         int xx = 0;
6208         int yy = 0;
6209         Inset const & inset = *tabular.cellInset(cell);
6210         Point o = bv.coordCache().getInsets().xy(&inset);
6211         int const xbeg = o.x_ - tabular.textHOffset(cell);
6212         int const xend = xbeg + tabular.cellWidth(cell);
6213         row_type const row = tabular.cellRow(cell);
6214         int const ybeg = o.y_ - tabular.rowAscent(row)
6215                 - tabular.interRowSpace(row) - tabular.textVOffset(cell);
6216         int const yend = ybeg + tabular.cellHeight(cell);
6217
6218         if (x < xbeg)
6219                 xx = xbeg - x;
6220         else if (x > xend)
6221                 xx = x - xend;
6222
6223         if (y < ybeg)
6224                 yy = ybeg - y;
6225         else if (y > yend)
6226                 yy = y - yend;
6227
6228         //lyxerr << " xbeg=" << xbeg << "  xend=" << xend
6229         //       << " ybeg=" << ybeg << " yend=" << yend
6230         //       << " xx=" << xx << " yy=" << yy
6231         //       << " dist=" << xx + yy << endl;
6232         return xx + yy;
6233 }
6234
6235
6236 Inset * InsetTabular::editXY(Cursor & cur, int x, int y)
6237 {
6238         //lyxerr << "InsetTabular::editXY: " << this << endl;
6239         cur.push(*this);
6240         cur.idx() = getNearestCell(cur.bv(), x, y);
6241         return cur.bv().textMetrics(&cell(cur.idx())->text()).editXY(cur, x, y);
6242 }
6243
6244
6245 void InsetTabular::setCursorFromCoordinates(Cursor & cur, int x, int y) const
6246 {
6247         cur.idx() = getNearestCell(cur.bv(), x, y);
6248         cur.bv().textMetrics(&cell(cur.idx())->text()).setCursorFromCoordinates(cur, x, y);
6249 }
6250
6251
6252 idx_type InsetTabular::getNearestCell(BufferView & bv, int x, int y) const
6253 {
6254         idx_type idx_min = 0;
6255         int dist_min = numeric_limits<int>::max();
6256         for (idx_type i = 0, n = nargs(); i != n; ++i) {
6257                 if (bv.coordCache().getInsets().has(tabular.cellInset(i).get())) {
6258                         int const d = dist(bv, i, x, y);
6259                         if (d < dist_min) {
6260                                 dist_min = d;
6261                                 idx_min = i;
6262                         }
6263                 }
6264         }
6265         return idx_min;
6266 }
6267
6268
6269 int InsetTabular::cellYPos(idx_type const cell) const
6270 {
6271         row_type row = tabular.cellRow(cell);
6272         int ly = 0;
6273         for (row_type r = 0; r < row; ++r)
6274                 ly += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
6275                         + tabular.interRowSpace(r + 1);
6276         return ly;
6277 }
6278
6279
6280 int InsetTabular::cellXPos(idx_type const cell) const
6281 {
6282         col_type col = tabular.cellColumn(cell);
6283         int lx = 0;
6284         for (col_type c = 0; c < col; ++c)
6285                 lx += tabular.column_info[c].width;
6286         return lx;
6287 }
6288
6289
6290 void InsetTabular::moveNextCell(Cursor & cur, EntryDirection entry_from)
6291 {
6292         row_type const row = tabular.cellRow(cur.idx());
6293         col_type const col = tabular.cellColumn(cur.idx());
6294
6295         if (isRightToLeft(cur)) {
6296                 if (tabular.cellColumn(cur.idx()) == 0) {
6297                         if (row == tabular.nrows() - 1)
6298                                 return;
6299                         cur.idx() = tabular.cellBelow(tabular.getLastCellInRow(row));
6300                 } else {
6301                         if (cur.idx() == 0)
6302                                 return;
6303                         if (col == 0)
6304                                 cur.idx() = tabular.getLastCellInRow(row - 1);
6305                         else
6306                                 cur.idx() = tabular.cellIndex(row, col - 1);
6307                 }
6308         } else {
6309                 if (tabular.isLastCell(cur.idx()))
6310                         return;
6311                 if (cur.idx() == tabular.getLastCellInRow(row))
6312                         cur.idx() = tabular.cellIndex(row + 1, 0);
6313                 else {
6314                         col_type const colnextcell = col + tabular.columnSpan(cur.idx());
6315                         cur.idx() = tabular.cellIndex(row, colnextcell);
6316                 }
6317         }
6318
6319         cur.boundary(false);
6320
6321         if (cur.selIsMultiCell()) {
6322                 cur.pit() = cur.lastpit();
6323                 cur.pos() = cur.lastpos();
6324                 return;
6325         }
6326
6327         cur.pit() = 0;
6328         cur.pos() = 0;
6329
6330         // in visual mode, place cursor at extreme left or right
6331
6332         switch(entry_from) {
6333
6334         case ENTRY_DIRECTION_RIGHT:
6335                 cur.posVisToRowExtremity(false /* !left */);
6336                 break;
6337         case ENTRY_DIRECTION_LEFT:
6338                 cur.posVisToRowExtremity(true /* left */);
6339                 break;
6340         case ENTRY_DIRECTION_IGNORE:
6341                 // nothing to do in this case
6342                 break;
6343
6344         }
6345         cur.setCurrentFont();
6346 }
6347
6348
6349 void InsetTabular::movePrevCell(Cursor & cur, EntryDirection entry_from)
6350 {
6351         row_type const row = tabular.cellRow(cur.idx());
6352         col_type const col = tabular.cellColumn(cur.idx());
6353
6354         if (isRightToLeft(cur)) {
6355                 if (cur.idx() == tabular.getLastCellInRow(row)) {
6356                         if (row == 0)
6357                                 return;
6358                         cur.idx() = tabular.getFirstCellInRow(row);
6359                         cur.idx() = tabular.cellAbove(cur.idx());
6360                 } else {
6361                         if (tabular.isLastCell(cur.idx()))
6362                                 return;
6363                         if (cur.idx() == tabular.getLastCellInRow(row))
6364                                 cur.idx() = tabular.cellIndex(row + 1, 0);
6365                         else
6366                                 cur.idx() = tabular.cellIndex(row, col + 1);
6367                 }
6368         } else {
6369                 if (cur.idx() == 0) // first cell
6370                         return;
6371                 if (col == 0)
6372                         cur.idx() = tabular.getLastCellInRow(row - 1);
6373                 else
6374                         cur.idx() = tabular.cellIndex(row, col - 1);
6375         }
6376
6377         if (cur.selIsMultiCell()) {
6378                 cur.pit() = cur.lastpit();
6379                 cur.pos() = cur.lastpos();
6380                 return;
6381         }
6382
6383         cur.pit() = cur.lastpit();
6384         cur.pos() = cur.lastpos();
6385
6386         // in visual mode, place cursor at extreme left or right
6387
6388         switch(entry_from) {
6389
6390         case ENTRY_DIRECTION_RIGHT:
6391                 cur.posVisToRowExtremity(false /* !left */);
6392                 break;
6393         case ENTRY_DIRECTION_LEFT:
6394                 cur.posVisToRowExtremity(true /* left */);
6395                 break;
6396         case ENTRY_DIRECTION_IGNORE:
6397                 // nothing to do in this case
6398                 break;
6399
6400         }
6401         cur.setCurrentFont();
6402 }
6403
6404
6405 void InsetTabular::tabularFeatures(Cursor & cur, string const & argument)
6406 {
6407         cur.recordUndoInset(this);
6408
6409         istringstream is(argument);
6410         // limit the size of strings we read to avoid memory problems
6411         is >> setw(65636);
6412         string s;
6413         // Safe guard.
6414         size_t safe_guard = 0;
6415         for (;;) {
6416                 if (is.eof())
6417                         return;
6418                 safe_guard++;
6419                 if (safe_guard > 1000) {
6420                         LYXERR0("parameter max count reached!");
6421                         return;
6422                 }
6423                 is >> s;
6424                 Tabular::Feature action = Tabular::LAST_ACTION;
6425
6426                 size_t i = 0;
6427                 for (; tabularFeature[i].action != Tabular::LAST_ACTION; ++i) {
6428                         if (s != tabularFeature[i].feature)
6429                                 continue;
6430                         action = tabularFeature[i].action;
6431                         break;
6432                 }
6433                 if (action == Tabular::LAST_ACTION) {
6434                         LYXERR0("Feature not found " << s);
6435                         continue;
6436                 }
6437                 string val;
6438                 if (tabularFeature[i].need_value)
6439                         is >> val;
6440                 LYXERR(Debug::DEBUG, "Feature: " << s << "\t\tvalue: " << val);
6441                 tabularFeatures(cur, action, val);
6442         }
6443 }
6444
6445
6446 static void checkLongtableSpecial(Tabular::ltType & ltt,
6447                           string const & special, bool & flag)
6448 {
6449         if (special == "dl_above") {
6450                 ltt.topDL = flag;
6451                 ltt.set = false;
6452         } else if (special == "dl_below") {
6453                 ltt.bottomDL = flag;
6454                 ltt.set = false;
6455         } else if (special == "empty") {
6456                 ltt.empty = flag;
6457                 ltt.set = false;
6458         } else if (flag) {
6459                 ltt.empty = false;
6460                 ltt.set = true;
6461         }
6462 }
6463
6464
6465 bool InsetTabular::oneCellHasRotationState(bool rotated,
6466                 row_type row_start, row_type row_end,
6467                 col_type col_start, col_type col_end) const
6468 {
6469         for (row_type r = row_start; r <= row_end; ++r)
6470                 for (col_type c = col_start; c <= col_end; ++c)
6471                         if (rotated) {
6472                                 if (tabular.getRotateCell(tabular.cellIndex(r, c)) != 0)
6473                                         return true;
6474                         } else {
6475                                 if (tabular.getRotateCell(tabular.cellIndex(r, c)) == 0)
6476                                         return true;
6477                         }
6478         return false;
6479 }
6480
6481
6482 void InsetTabular::tabularFeatures(Cursor & cur,
6483         Tabular::Feature feature, string const & value)
6484 {
6485         col_type sel_col_start;
6486         col_type sel_col_end;
6487         row_type sel_row_start;
6488         row_type sel_row_end;
6489         bool setLines = false;
6490         bool toggle = false;
6491         LyXAlignment setAlign = LYX_ALIGN_LEFT;
6492         Tabular::VAlignment setVAlign = Tabular::LYX_VALIGN_TOP;
6493
6494         switch (feature) {
6495
6496         case Tabular::M_ALIGN_LEFT:
6497         case Tabular::ALIGN_LEFT:
6498                 setAlign = LYX_ALIGN_LEFT;
6499                 break;
6500
6501         case Tabular::M_ALIGN_RIGHT:
6502         case Tabular::ALIGN_RIGHT:
6503                 setAlign = LYX_ALIGN_RIGHT;
6504                 break;
6505
6506         case Tabular::M_ALIGN_CENTER:
6507         case Tabular::ALIGN_CENTER:
6508                 setAlign = LYX_ALIGN_CENTER;
6509                 break;
6510
6511         case Tabular::ALIGN_BLOCK:
6512                 setAlign = LYX_ALIGN_BLOCK;
6513                 break;
6514
6515         case Tabular::ALIGN_DECIMAL:
6516                 setAlign = LYX_ALIGN_DECIMAL;
6517                 break;
6518
6519         case Tabular::M_VALIGN_TOP:
6520         case Tabular::VALIGN_TOP:
6521                 setVAlign = Tabular::LYX_VALIGN_TOP;
6522                 break;
6523
6524         case Tabular::M_VALIGN_BOTTOM:
6525         case Tabular::VALIGN_BOTTOM:
6526                 setVAlign = Tabular::LYX_VALIGN_BOTTOM;
6527                 break;
6528
6529         case Tabular::M_VALIGN_MIDDLE:
6530         case Tabular::VALIGN_MIDDLE:
6531                 setVAlign = Tabular::LYX_VALIGN_MIDDLE;
6532                 break;
6533
6534         default:
6535                 break;
6536         }
6537
6538         getSelection(cur, sel_row_start, sel_row_end, sel_col_start, sel_col_end);
6539         row_type const row = tabular.cellRow(cur.idx());
6540         col_type const column = tabular.cellColumn(cur.idx());
6541         bool flag = true;
6542         Tabular::ltType ltt;
6543
6544         switch (feature) {
6545
6546         case Tabular::SET_TABULAR_WIDTH:
6547                 tabular.setTabularWidth(Length(value));
6548                 break;
6549
6550         case Tabular::SET_PWIDTH: {
6551                 Length const len(value);
6552                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6553                         tabular.setColumnPWidth(cur, tabular.cellIndex(row, c), len);
6554                         if (len.zero()
6555                             && tabular.getAlignment(tabular.cellIndex(row, c), true) == LYX_ALIGN_BLOCK)
6556                                 tabularFeatures(cur, Tabular::ALIGN_CENTER, string());
6557                 }
6558                 break;
6559         }
6560
6561         case Tabular::SET_MPWIDTH:
6562                 tabular.setMColumnPWidth(cur, cur.idx(), Length(value));
6563                 break;
6564
6565         case Tabular::TOGGLE_VARWIDTH_COLUMN: {
6566                 bool const varwidth = value == "on";
6567                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6568                         tabular.toggleVarwidth(tabular.cellIndex(row, c), varwidth);
6569                 break;
6570         }
6571
6572         case Tabular::SET_MROFFSET:
6573                 tabular.setMROffset(cur, cur.idx(), Length(value));
6574                 break;
6575
6576         case Tabular::SET_SPECIAL_COLUMN:
6577         case Tabular::SET_SPECIAL_MULTICOLUMN:
6578                 if (value == "none")
6579                         tabular.setAlignSpecial(cur.idx(), docstring(), feature);
6580                 else
6581                         tabular.setAlignSpecial(cur.idx(), from_utf8(value), feature);
6582                 break;
6583
6584         case Tabular::APPEND_ROW:
6585                 // append the row into the tabular
6586                 tabular.appendRow(row);
6587                 break;
6588
6589         case Tabular::APPEND_COLUMN:
6590                 // append the column into the tabular
6591                 tabular.appendColumn(column);
6592                 cur.idx() = tabular.cellIndex(row, column);
6593                 break;
6594
6595         case Tabular::DELETE_ROW:
6596                 if (sel_row_end == tabular.nrows() - 1 && sel_row_start != 0) {
6597                         for (col_type c = 0; c < tabular.ncols(); c++) {
6598                                 tabular.setBottomLine(tabular.cellIndex(sel_row_start - 1, c),
6599                                         tabular.bottomLine(tabular.cellIndex(sel_row_end, c)));
6600                                 tabular.setBottomLineTrim(tabular.cellIndex(sel_row_start - 1, c),
6601                                         tabular.bottomLineTrim(tabular.cellIndex(sel_row_end, c)));
6602                         }
6603                 }
6604
6605                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6606                         tabular.deleteRow(sel_row_start);
6607                 if (sel_row_start >= tabular.nrows())
6608                         --sel_row_start;
6609                 cur.idx() = tabular.cellIndex(sel_row_start, column);
6610                 cur.pit() = 0;
6611                 cur.pos() = 0;
6612                 cur.selection(false);
6613                 break;
6614
6615         case Tabular::DELETE_COLUMN:
6616                 if (sel_col_end == tabular.ncols() - 1 && sel_col_start != 0) {
6617                         for (row_type r = 0; r < tabular.nrows(); r++)
6618                                 tabular.setRightLine(tabular.cellIndex(r, sel_col_start - 1),
6619                                         tabular.rightLine(tabular.cellIndex(r, sel_col_end)));
6620                 }
6621
6622                 if (sel_col_start == 0 && sel_col_end != tabular.ncols() - 1) {
6623                         for (row_type r = 0; r < tabular.nrows(); r++)
6624                                 tabular.setLeftLine(tabular.cellIndex(r, sel_col_end + 1),
6625                                         tabular.leftLine(tabular.cellIndex(r, 0)));
6626                 }
6627
6628                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6629                         tabular.deleteColumn(sel_col_start);
6630                 if (sel_col_start >= tabular.ncols())
6631                         --sel_col_start;
6632                 cur.idx() = tabular.cellIndex(row, sel_col_start);
6633                 cur.pit() = 0;
6634                 cur.pos() = 0;
6635                 cur.selection(false);
6636                 break;
6637
6638         case Tabular::COPY_ROW:
6639                 tabular.copyRow(row);
6640                 break;
6641
6642         case Tabular::COPY_COLUMN:
6643                 tabular.copyColumn(column);
6644                 cur.idx() = tabular.cellIndex(row, column);
6645                 break;
6646
6647         case Tabular::MOVE_COLUMN_RIGHT:
6648                 tabular.moveColumn(sel_col_start, sel_col_end, Tabular::RIGHT);
6649                 if (cur.selection()) {
6650                         cur.selection(false);
6651                         cur.idx() = tabular.cellIndex(sel_row_start, sel_col_start + 1);
6652                         cur.resetAnchor();
6653                         cur.idx() = tabular.cellIndex(sel_row_end, sel_col_end + 1);
6654                         cur.setSelection();
6655                 } else
6656                         cur.idx() = tabular.cellIndex(row, column + 1);
6657                 break;
6658
6659         case Tabular::MOVE_COLUMN_LEFT:
6660                 tabular.moveColumn(sel_col_start, sel_col_end, Tabular::LEFT);
6661                 if (cur.selection()) {
6662                         cur.selection(false);
6663                         cur.idx() = tabular.cellIndex(sel_row_start, sel_col_start - 1);
6664                         cur.resetAnchor();
6665                         cur.idx() = tabular.cellIndex(sel_row_end, sel_col_end - 1);
6666                         cur.setSelection();
6667                 } else
6668                         cur.idx() = tabular.cellIndex(row, column - 1);
6669                 break;
6670
6671         case Tabular::MOVE_ROW_DOWN:
6672                 tabular.moveRow(sel_row_start, sel_row_end, Tabular::DOWN);
6673                 if (cur.selection()) {
6674                         cur.selection(false);
6675                         cur.idx() = tabular.cellIndex(sel_row_start + 1, sel_col_start);
6676                         cur.resetAnchor();
6677                         cur.idx() = tabular.cellIndex(sel_row_end + 1, sel_col_end);
6678                         cur.setSelection();
6679                 } else
6680                         cur.idx() = tabular.cellIndex(row + 1, column);
6681                 break;
6682
6683         case Tabular::MOVE_ROW_UP:
6684                 tabular.moveRow(sel_row_start, sel_row_end, Tabular::UP);
6685                 if (cur.selection()) {
6686                         cur.selection(false);
6687                         cur.idx() = tabular.cellIndex(sel_row_start - 1, sel_col_start);
6688                         cur.resetAnchor();
6689                         cur.idx() = tabular.cellIndex(sel_row_end - 1, sel_col_end);
6690                         cur.setSelection();
6691                 } else
6692                         cur.idx() = tabular.cellIndex(row - 1, column);
6693                 break;
6694
6695         case Tabular::SET_LINE_TOP:
6696         case Tabular::TOGGLE_LINE_TOP: {
6697                 bool lineSet = (feature == Tabular::SET_LINE_TOP)
6698                                ? (value == "true") : !tabular.topLine(cur.idx());
6699                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6700                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6701                                 tabular.setTopLine(tabular.cellIndex(r, c), lineSet);
6702                 break;
6703         }
6704
6705         case Tabular::SET_LINE_BOTTOM:
6706         case Tabular::TOGGLE_LINE_BOTTOM: {
6707                 bool lineSet = (feature == Tabular::SET_LINE_BOTTOM)
6708                                ? (value == "true") : !tabular.bottomLine(cur.idx());
6709                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6710                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6711                                 tabular.setBottomLine(tabular.cellIndex(r, c), lineSet);
6712                 break;
6713         }
6714
6715         case Tabular::SET_LTRIM_TOP:
6716         case Tabular::TOGGLE_LTRIM_TOP: {
6717                 bool l = (feature == Tabular::SET_LTRIM_TOP)
6718                                ? (value == "true") : !tabular.topLineTrim(cur.idx()).first;
6719                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6720                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6721                                 tabular.setTopLineLTrim(tabular.cellIndex(r, c), l);
6722                 break;
6723         }
6724
6725         case Tabular::SET_RTRIM_TOP:
6726         case Tabular::TOGGLE_RTRIM_TOP: {
6727                 bool l = (feature == Tabular::SET_RTRIM_TOP)
6728                                ? (value == "true") : !tabular.topLineTrim(cur.idx()).second;
6729                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6730                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6731                                 tabular.setTopLineRTrim(tabular.cellIndex(r, c), l);
6732                 break;
6733         }
6734
6735         case Tabular::SET_LTRIM_BOTTOM:
6736         case Tabular::TOGGLE_LTRIM_BOTTOM: {
6737                 bool l = (feature == Tabular::SET_LTRIM_BOTTOM)
6738                                ? (value == "true") : !tabular.bottomLineTrim(cur.idx()).first;
6739                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6740                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6741                                 tabular.setBottomLineLTrim(tabular.cellIndex(r, c), l);
6742                 break;
6743         }
6744
6745         case Tabular::SET_RTRIM_BOTTOM:
6746         case Tabular::TOGGLE_RTRIM_BOTTOM: {
6747                 bool l = (feature == Tabular::SET_RTRIM_BOTTOM)
6748                                ? (value == "true") : !tabular.bottomLineTrim(cur.idx()).second;
6749                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6750                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6751                                 tabular.setBottomLineRTrim(tabular.cellIndex(r, c), l);
6752                 break;
6753         }
6754
6755         case Tabular::SET_LINE_LEFT:
6756         case Tabular::TOGGLE_LINE_LEFT: {
6757                 bool lineSet = (feature == Tabular::SET_LINE_LEFT)
6758                                ? (value == "true") : !tabular.leftLine(cur.idx());
6759                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6760                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6761                                 tabular.setLeftLine(tabular.cellIndex(r, c), lineSet);
6762                 break;
6763         }
6764
6765         case Tabular::SET_LINE_RIGHT:
6766         case Tabular::TOGGLE_LINE_RIGHT: {
6767                 bool lineSet = (feature == Tabular::SET_LINE_RIGHT)
6768                                ? (value == "true") : !tabular.rightLine(cur.idx());
6769                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6770                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6771                                 tabular.setRightLine(tabular.cellIndex(r, c), lineSet);
6772                 break;
6773         }
6774
6775         case Tabular::M_ALIGN_LEFT:
6776         case Tabular::M_ALIGN_RIGHT:
6777         case Tabular::M_ALIGN_CENTER:
6778         case Tabular::ALIGN_LEFT:
6779         case Tabular::ALIGN_RIGHT:
6780         case Tabular::ALIGN_CENTER:
6781         case Tabular::ALIGN_BLOCK:
6782         case Tabular::ALIGN_DECIMAL:
6783                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6784                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6785                                 tabular.setAlignment(tabular.cellIndex(r, c), setAlign,
6786                                 !tabular.getPWidth(c).zero());
6787                 break;
6788
6789         case Tabular::M_VALIGN_TOP:
6790         case Tabular::M_VALIGN_BOTTOM:
6791         case Tabular::M_VALIGN_MIDDLE:
6792                 flag = false;
6793                 // fall through
6794         case Tabular::VALIGN_TOP:
6795         case Tabular::VALIGN_BOTTOM:
6796         case Tabular::VALIGN_MIDDLE:
6797                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6798                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6799                                 tabular.setVAlignment(tabular.cellIndex(r, c), setVAlign, flag);
6800                 break;
6801
6802         case Tabular::SET_MULTICOLUMN: {
6803                 if (!cur.selection()) {
6804                         // just multicol for one single cell
6805                         // check whether we are completely in a multicol
6806                         if (!tabular.isMultiColumn(cur.idx()))
6807                                 tabular.setMultiColumn(cur, cur.idx(), 1,
6808                                         tabular.rightLine(cur.idx()));
6809                         break;
6810                 }
6811                 // we have a selection so this means we just add all these
6812                 // cells to form a multicolumn cell
6813                 idx_type const s_start = cur.selBegin().idx();
6814                 row_type const col_start = tabular.cellColumn(s_start);
6815                 row_type const col_end = tabular.cellColumn(cur.selEnd().idx());
6816                 cur.idx() = tabular.setMultiColumn(cur, s_start, col_end - col_start + 1,
6817                                                    tabular.rightLine(cur.selEnd().idx()));
6818                 cur.pit() = 0;
6819                 cur.pos() = 0;
6820                 cur.selection(false);
6821                 break;
6822         }
6823
6824         case Tabular::UNSET_MULTICOLUMN: {
6825                 if (!cur.selection()) {
6826                         if (tabular.isMultiColumn(cur.idx()))
6827                                 tabular.unsetMultiColumn(cur.idx());
6828                 }
6829                 break;
6830         }
6831
6832         case Tabular::MULTICOLUMN: {
6833                 if (!cur.selection()) {
6834                         if (tabular.isMultiColumn(cur.idx()))
6835                                 tabularFeatures(cur, Tabular::UNSET_MULTICOLUMN);
6836                         else
6837                                 tabularFeatures(cur, Tabular::SET_MULTICOLUMN);
6838                         break;
6839                 }
6840                 bool merge = false;
6841                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6842                         row_type const r = sel_row_start;
6843                         if (!tabular.isMultiColumn(tabular.cellIndex(r, c))
6844                             || (r > sel_row_start && !tabular.isPartOfMultiColumn(r, c)))
6845                                 merge = true;
6846                 }
6847                 // If the selection contains at least one singlecol cell
6848                 // or multiple multicol cells,
6849                 // we assume the user will merge is to a single multicol
6850                 if (merge)
6851                         tabularFeatures(cur, Tabular::SET_MULTICOLUMN);
6852                 else
6853                         tabularFeatures(cur, Tabular::UNSET_MULTICOLUMN);
6854                 break;
6855         }
6856
6857         case Tabular::SET_MULTIROW: {
6858                 if (!cur.selection()) {
6859                         // just multirow for one single cell
6860                         // check whether we are completely in a multirow
6861                         if (!tabular.isMultiRow(cur.idx()))
6862                                 tabular.setMultiRow(cur, cur.idx(), 1,
6863                                                     tabular.bottomLine(cur.idx()),
6864                                                     tabular.getAlignment(cur.idx()));
6865                         break;
6866                 }
6867                 // we have a selection so this means we just add all this
6868                 // cells to form a multirow cell
6869                 idx_type const s_start = cur.selBegin().idx();
6870                 row_type const row_start = tabular.cellRow(s_start);
6871                 row_type const row_end = tabular.cellRow(cur.selEnd().idx());
6872                 cur.idx() = tabular.setMultiRow(cur, s_start, row_end - row_start + 1,
6873                                                 tabular.bottomLine(cur.selEnd().idx()),
6874                                                 tabular.getAlignment(cur.selEnd().idx()));
6875                 cur.pit() = 0;
6876                 cur.pos() = 0;
6877                 cur.selection(false);
6878                 break;
6879         }
6880
6881         case Tabular::UNSET_MULTIROW: {
6882                 if (!cur.selection()) {
6883                         if (tabular.isMultiRow(cur.idx()))
6884                                 tabular.unsetMultiRow(cur.idx());
6885                 }
6886                 break;
6887         }
6888
6889         case Tabular::MULTIROW: {
6890                 if (!cur.selection()) {
6891                         if (tabular.isMultiRow(cur.idx()))
6892                                 tabularFeatures(cur, Tabular::UNSET_MULTIROW);
6893                         else
6894                                 tabularFeatures(cur, Tabular::SET_MULTIROW);
6895                         break;
6896                 }
6897                 bool merge = false;
6898                 for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6899                         col_type const c = sel_col_start;
6900                         if (!tabular.isMultiRow(tabular.cellIndex(r, c))
6901                             || (r > sel_row_start && !tabular.isPartOfMultiRow(r, c)))
6902                                 merge = true;
6903                 }
6904                 // If the selection contains at least one singlerow cell
6905                 // or multiple multirow cells,
6906                 // we assume the user will merge is to a single multirow
6907                 if (merge)
6908                         tabularFeatures(cur, Tabular::SET_MULTIROW);
6909                 else
6910                         tabularFeatures(cur, Tabular::UNSET_MULTIROW);
6911                 break;
6912         }
6913
6914         case Tabular::TOGGLE_INNER_LINES:
6915                 toggle = true;
6916                 // fall through
6917         case Tabular::SET_INNER_LINES:
6918                 if (toggle)
6919                         setLines = !tabular.innerBorders(sel_row_start, sel_row_end,
6920                                                                                      sel_col_start, sel_col_end);
6921                 else
6922                         setLines = true;
6923                 tabular.setLines(sel_row_start, sel_row_end,
6924                                                  sel_col_start, sel_col_end,
6925                                                  true, setLines);
6926                 break;
6927
6928         case Tabular::TOGGLE_ALL_LINES:
6929                 toggle = true;
6930                 // fall through
6931         case Tabular::SET_ALL_LINES:
6932                 if (toggle)
6933                         setLines = !tabular.innerBorders(sel_row_start, sel_row_end,
6934                                                                                      sel_col_start, sel_col_end)
6935                                         || !tabular.outsideBorders(sel_row_start, sel_row_end,
6936                                                                                        sel_col_start, sel_col_end);
6937                 else
6938                         setLines = true;
6939                 // fall through
6940         case Tabular::UNSET_ALL_LINES:
6941                 tabular.setLines(sel_row_start, sel_row_end,
6942                                                  sel_col_start, sel_col_end,
6943                                                  false, setLines);
6944                 break;
6945
6946         case Tabular::RESET_FORMAL_DEFAULT:
6947                 for (row_type r = 0; r < tabular.nrows(); ++r) {
6948                         bool const head_or_foot = r == 0 || r == tabular.nrows() - 1;
6949                         for (col_type c = 0; c < tabular.ncols(); ++c) {
6950                                 idx_type const cell = tabular.cellIndex(r, c);
6951                                 tabular.setTopLine(cell, head_or_foot);
6952                                 tabular.setBottomLine(cell, head_or_foot);
6953                         }
6954                 }
6955                 break;
6956
6957         case Tabular::TOGGLE_BORDER_LINES:
6958                 toggle = true;
6959                 // fall through
6960         case Tabular::SET_BORDER_LINES: {
6961                 bool const border = toggle &&
6962                                 tabular.outsideBorders(sel_row_start, sel_row_end,
6963                                                                            sel_col_start, sel_col_end)
6964                                 ? false : true;
6965                 for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6966                         tabular.setLeftLine(tabular.cellIndex(r, sel_col_start), border);
6967                         tabular.setRightLine(tabular.cellIndex(r, sel_col_end), border);
6968                 }
6969                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6970                         tabular.setTopLine(tabular.cellIndex(sel_row_start, c), border);
6971                         tabular.setBottomLine(tabular.cellIndex(sel_row_end, c), border);
6972                 }
6973                 break;
6974         }
6975
6976         case Tabular::TOGGLE_LONGTABULAR:
6977                 if (tabular.is_long_tabular)
6978                         tabularFeatures(cur, Tabular::UNSET_LONGTABULAR);
6979                 else
6980                         tabular.is_long_tabular = true;
6981                 break;
6982
6983         case Tabular::SET_LONGTABULAR:
6984                 tabular.is_long_tabular = true;
6985                 break;
6986
6987         case Tabular::UNSET_LONGTABULAR:
6988                 for (row_type r = 0; r < tabular.nrows(); ++r) {
6989                         if (tabular.ltCaption(r)) {
6990                                 cur.idx() = tabular.cellIndex(r, 0);
6991                                 cur.pit() = 0;
6992                                 cur.pos() = 0;
6993                                 tabularFeatures(cur, Tabular::TOGGLE_LTCAPTION);
6994                         }
6995                 }
6996                 tabular.is_long_tabular = false;
6997                 break;
6998
6999         case Tabular::SET_ROTATE_TABULAR:
7000                 tabular.rotate = convert<int>(value);
7001                 break;
7002
7003         case Tabular::UNSET_ROTATE_TABULAR:
7004                 tabular.rotate = 0;
7005                 break;
7006
7007         case Tabular::TOGGLE_ROTATE_TABULAR:
7008                 // when pressing the rotate button we default to 90° rotation
7009                 tabular.rotate != 0 ? tabular.rotate = 0 : tabular.rotate = 90;
7010                 break;
7011
7012         case Tabular::TABULAR_VALIGN_TOP:
7013                 tabular.tabular_valignment = Tabular::LYX_VALIGN_TOP;
7014                 break;
7015
7016         case Tabular::TABULAR_VALIGN_MIDDLE:
7017                 tabular.tabular_valignment = Tabular::LYX_VALIGN_MIDDLE;
7018                 break;
7019
7020         case Tabular::TABULAR_VALIGN_BOTTOM:
7021                 tabular.tabular_valignment = Tabular::LYX_VALIGN_BOTTOM;
7022                 break;
7023
7024         case Tabular::LONGTABULAR_ALIGN_LEFT:
7025                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_LEFT;
7026                 break;
7027
7028         case Tabular::LONGTABULAR_ALIGN_CENTER:
7029                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_CENTER;
7030                 break;
7031
7032         case Tabular::LONGTABULAR_ALIGN_RIGHT:
7033                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_RIGHT;
7034                 break;
7035
7036         case Tabular::SET_ROTATE_CELL:
7037                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7038                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
7039                                 tabular.setRotateCell(tabular.cellIndex(r, c), convert<int>(value));
7040                 break;
7041
7042         case Tabular::UNSET_ROTATE_CELL:
7043                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7044                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
7045                                 tabular.setRotateCell(tabular.cellIndex(r, c), 0);
7046                 break;
7047
7048         case Tabular::TOGGLE_ROTATE_CELL:
7049                 {
7050                 bool oneNotRotated = oneCellHasRotationState(false,
7051                         sel_row_start, sel_row_end, sel_col_start, sel_col_end);
7052
7053                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7054                         for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
7055                                 // when pressing the rotate cell button we default to 90° rotation
7056                                 if (oneNotRotated)
7057                                         tabular.setRotateCell(tabular.cellIndex(r, c), 90);
7058                                 else
7059                                         tabular.setRotateCell(tabular.cellIndex(r, c), 0);
7060                         }
7061                 }
7062                 break;
7063
7064         case Tabular::SET_USEBOX: {
7065                 Tabular::BoxType val = Tabular::BoxType(convert<int>(value));
7066                 if (val == tabular.getUsebox(cur.idx()))
7067                         val = Tabular::BOX_NONE;
7068                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7069                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
7070                                 tabular.setUsebox(tabular.cellIndex(r, c), val);
7071                 break;
7072         }
7073
7074         case Tabular::UNSET_LTFIRSTHEAD:
7075                 flag = false;
7076                 // fall through
7077         case Tabular::SET_LTFIRSTHEAD:
7078                 tabular.getRowOfLTFirstHead(row, ltt);
7079                 checkLongtableSpecial(ltt, value, flag);
7080                 tabular.setLTHead(row, flag, ltt, true);
7081                 break;
7082
7083         case Tabular::UNSET_LTHEAD:
7084                 flag = false;
7085                 // fall through
7086         case Tabular::SET_LTHEAD:
7087                 tabular.getRowOfLTHead(row, ltt);
7088                 checkLongtableSpecial(ltt, value, flag);
7089                 tabular.setLTHead(row, flag, ltt, false);
7090                 break;
7091
7092         case Tabular::UNSET_LTFOOT:
7093                 flag = false;
7094                 // fall through
7095         case Tabular::SET_LTFOOT:
7096                 tabular.getRowOfLTFoot(row, ltt);
7097                 checkLongtableSpecial(ltt, value, flag);
7098                 tabular.setLTFoot(row, flag, ltt, false);
7099                 break;
7100
7101         case Tabular::UNSET_LTLASTFOOT:
7102                 flag = false;
7103                 // fall through
7104         case Tabular::SET_LTLASTFOOT:
7105                 tabular.getRowOfLTLastFoot(row, ltt);
7106                 checkLongtableSpecial(ltt, value, flag);
7107                 tabular.setLTFoot(row, flag, ltt, true);
7108                 break;
7109
7110         case Tabular::UNSET_LTNEWPAGE:
7111                 flag = false;
7112                 // fall through
7113         case Tabular::SET_LTNEWPAGE:
7114                 tabular.setLTNewPage(row, flag);
7115                 break;
7116
7117         case Tabular::SET_LTCAPTION: {
7118                 if (tabular.ltCaption(row))
7119                         break;
7120                 cur.idx() = tabular.setLTCaption(cur, row, true);
7121                 cur.pit() = 0;
7122                 cur.pos() = 0;
7123                 cur.selection(false);
7124                 // If a row is set as caption, then also insert
7125                 // a caption. Otherwise the LaTeX output is broken.
7126                 // Select cell if it is non-empty
7127                 if (cur.lastpos() > 0 || cur.lastpit() > 0)
7128                         lyx::dispatch(FuncRequest(LFUN_INSET_SELECT_ALL));
7129                 lyx::dispatch(FuncRequest(LFUN_CAPTION_INSERT));
7130                 break;
7131         }
7132
7133         case Tabular::UNSET_LTCAPTION: {
7134                 if (!tabular.ltCaption(row))
7135                         break;
7136                 cur.idx() = tabular.setLTCaption(cur, row, false);
7137                 cur.pit() = 0;
7138                 cur.pos() = 0;
7139                 cur.selection(false);
7140                 FuncRequest fr(LFUN_INSET_DISSOLVE, "caption");
7141                 if (lyx::getStatus(fr).enabled())
7142                         lyx::dispatch(fr);
7143                 break;
7144         }
7145
7146         case Tabular::TOGGLE_LTCAPTION: {
7147                 if (tabular.ltCaption(row))
7148                         tabularFeatures(cur, Tabular::UNSET_LTCAPTION);
7149                 else
7150                         tabularFeatures(cur, Tabular::SET_LTCAPTION);
7151                 break;
7152         }
7153
7154         case Tabular::TOGGLE_BOOKTABS:
7155                 tabular.use_booktabs = !tabular.use_booktabs;
7156                 break;
7157
7158         case Tabular::SET_BOOKTABS:
7159                 tabular.use_booktabs = true;
7160                 break;
7161
7162         case Tabular::UNSET_BOOKTABS:
7163                 tabular.use_booktabs = false;
7164                 break;
7165
7166         case Tabular::SET_TOP_SPACE: {
7167                 Length len;
7168                 if (value == "default")
7169                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7170                                 tabular.row_info[r].top_space_default = true;
7171                 else if (value == "none")
7172                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7173                                 tabular.row_info[r].top_space_default = false;
7174                                 tabular.row_info[r].top_space = len;
7175                         }
7176                 else if (isValidLength(value, &len))
7177                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7178                                 tabular.row_info[r].top_space_default = false;
7179                                 tabular.row_info[r].top_space = len;
7180                         }
7181                 break;
7182         }
7183
7184         case Tabular::SET_BOTTOM_SPACE: {
7185                 Length len;
7186                 if (value == "default")
7187                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7188                                 tabular.row_info[r].bottom_space_default = true;
7189                 else if (value == "none")
7190                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7191                                 tabular.row_info[r].bottom_space_default = false;
7192                                 tabular.row_info[r].bottom_space = len;
7193                         }
7194                 else if (isValidLength(value, &len))
7195                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7196                                 tabular.row_info[r].bottom_space_default = false;
7197                                 tabular.row_info[r].bottom_space = len;
7198                         }
7199                 break;
7200         }
7201
7202         case Tabular::SET_INTERLINE_SPACE: {
7203                 Length len;
7204                 if (value == "default")
7205                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7206                                 tabular.row_info[r].interline_space_default = true;
7207                 else if (value == "none")
7208                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7209                                 tabular.row_info[r].interline_space_default = false;
7210                                 tabular.row_info[r].interline_space = len;
7211                         }
7212                 else if (isValidLength(value, &len))
7213                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7214                                 tabular.row_info[r].interline_space_default = false;
7215                                 tabular.row_info[r].interline_space = len;
7216                         }
7217                 break;
7218         }
7219
7220         case Tabular::SET_DECIMAL_POINT:
7221                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
7222                         tabular.column_info[c].decimal_point = from_utf8(value);
7223                 break;
7224
7225         // dummy stuff just to avoid warnings
7226         case Tabular::LAST_ACTION:
7227                 break;
7228         }
7229 }
7230
7231
7232 bool InsetTabular::copySelection(Cursor & cur)
7233 {
7234         if (!cur.selection())
7235                 return false;
7236
7237         row_type rs, re;
7238         col_type cs, ce;
7239         getSelection(cur, rs, re, cs, ce);
7240
7241         paste_tabular.reset(new Tabular(tabular));
7242
7243         for (row_type r = 0; r < rs; ++r)
7244                 paste_tabular->deleteRow(0, true);
7245
7246         row_type const rows = re - rs + 1;
7247         while (paste_tabular->nrows() > rows)
7248                 paste_tabular->deleteRow(rows, true);
7249
7250         for (col_type c = 0; c < cs; ++c)
7251                 paste_tabular->deleteColumn(0, true);
7252
7253         col_type const columns = ce - cs + 1;
7254         while (paste_tabular->ncols() > columns)
7255                 paste_tabular->deleteColumn(columns, true);
7256
7257         paste_tabular->setBuffer(tabular.buffer());
7258
7259         odocstringstream os;
7260         OutputParams const runparams(nullptr);
7261         paste_tabular->plaintext(os, runparams, 0, true, '\t', INT_MAX);
7262         // Needed for the "Edit->Paste recent" menu and the system clipboard.
7263         cap::copySelection(cur, os.str());
7264
7265         // mark tabular stack dirty
7266         // FIXME: this is a workaround for bug 1919. Should be removed for 1.5,
7267         // when we (hopefully) have a one-for-all paste mechanism.
7268         // This must be called after cap::copySelection.
7269         dirtyTabularStack(true);
7270
7271         return true;
7272 }
7273
7274
7275 bool InsetTabular::pasteClipboard(Cursor & cur)
7276 {
7277         if (!paste_tabular)
7278                 return false;
7279         col_type actcol = tabular.cellColumn(cur.idx());
7280         row_type actrow = tabular.cellRow(cur.idx());
7281
7282         if (cur.selIsMultiCell()) {
7283                 row_type re;
7284                 col_type ce;
7285                 getSelection(cur, actrow, re, actcol, ce);
7286         }
7287
7288         col_type const oldncols = tabular.ncols();
7289         for (row_type r1 = 0, r2 = actrow; r1 < paste_tabular->nrows(); ++r1, ++r2) {
7290                 // Append rows if needed
7291                 if (r2 == tabular.nrows())
7292                         tabular.insertRow(r2 - 1, false);
7293                 for (col_type c1 = 0, c2 = actcol; c1 < paste_tabular->ncols(); ++c1, ++c2) {
7294                         // Append columns if needed
7295                         if (c2 == tabular.ncols())
7296                                 tabular.insertColumn(c2 - 1, false);
7297                         if (paste_tabular->isPartOfMultiColumn(r1, c1) &&
7298                               tabular.isPartOfMultiColumn(r2, c2))
7299                                 continue;
7300                         if (paste_tabular->isPartOfMultiColumn(r1, c1)) {
7301                                 --c2;
7302                                 continue;
7303                         }
7304                         if (tabular.isPartOfMultiColumn(r2, c2)) {
7305                                 --c1;
7306                                 continue;
7307                         }
7308                         shared_ptr<InsetTableCell> inset(
7309                                 new InsetTableCell(*paste_tabular->cellInset(r1, c1)));
7310                         tabular.setCellInset(r2, c2, inset);
7311                         // FIXME?: why do we need to do this explicitly? (EL)
7312                         tabular.cellInset(r2, c2)->setBuffer(tabular.buffer());
7313
7314                         if (lyxrc.ct_markup_copied) {
7315                                 // Only change to inserted if ct is active,
7316                                 // otherwise leave markup as is
7317                                 if (buffer().params().track_changes)
7318                                         inset->setChange(Change(Change::INSERTED));
7319                         } else
7320                                 // Resolve all markup to inserted or unchanged
7321                                 inset->setChange(Change(buffer().params().track_changes ?
7322                                                          Change::INSERTED : Change::UNCHANGED));
7323                         cur.pos() = 0;
7324                         cur.pit() = 0;
7325                 }
7326         }
7327         // amend cursor position if cols have been appended
7328         cur.idx() += actrow * (tabular.ncols() - oldncols);
7329         return true;
7330 }
7331
7332
7333 void InsetTabular::cutSelection(Cursor & cur)
7334 {
7335         if (!cur.selection())
7336                 return;
7337
7338         row_type rs, re;
7339         col_type cs, ce;
7340         getSelection(cur, rs, re, cs, ce);
7341         for (row_type r = rs; r <= re; ++r) {
7342                 for (col_type c = cs; c <= ce; ++c) {
7343                         shared_ptr<InsetTableCell> t
7344                                 = cell(tabular.cellIndex(r, c));
7345                         if (buffer().params().track_changes)
7346                                 // FIXME: Change tracking (MG)
7347                                 t->setChange(Change(Change::DELETED));
7348                         else
7349                                 t->clear();
7350                 }
7351         }
7352
7353         // cursor position might be invalid now
7354         if (cur.pit() > cur.lastpit())
7355                 cur.pit() = cur.lastpit();
7356         if (cur.pos() > cur.lastpos())
7357                 cur.pos() = cur.lastpos();
7358         cur.clearSelection();
7359 }
7360
7361
7362 bool InsetTabular::isRightToLeft(Cursor & cur) const
7363 {
7364         // LASSERT: It might be better to abandon this Buffer.
7365         LASSERT(cur.depth() > 1, return false);
7366         Paragraph const & parentpar = cur[cur.depth() - 2].paragraph();
7367         pos_type const parentpos = cur[cur.depth() - 2].pos();
7368         return parentpar.getFontSettings(buffer().params(),
7369                                          parentpos).language()->rightToLeft();
7370 }
7371
7372
7373 docstring InsetTabular::asString(idx_type stidx, idx_type enidx,
7374                                  bool intoInsets)
7375 {
7376         LASSERT(stidx <= enidx, return docstring());
7377         docstring retval;
7378         col_type const col1 = tabular.cellColumn(stidx);
7379         col_type const col2 = tabular.cellColumn(enidx);
7380         row_type const row1 = tabular.cellRow(stidx);
7381         row_type const row2 = tabular.cellRow(enidx);
7382         bool first = true;
7383         for (col_type col = col1; col <= col2; col++)
7384                 for (row_type row = row1; row <= row2; row++) {
7385                         if (!first)
7386                                 retval += "\n";
7387                         else
7388                                 first = false;
7389                         retval += tabular.cellInset(row, col)->asString(intoInsets);
7390                 }
7391         return retval;
7392 }
7393
7394
7395 ParagraphList InsetTabular::asParList(idx_type stidx, idx_type enidx)
7396 {
7397         LASSERT(stidx <= enidx, return ParagraphList());
7398         ParagraphList retval;
7399         col_type const col1 = tabular.cellColumn(stidx);
7400         col_type const col2 = tabular.cellColumn(enidx);
7401         row_type const row1 = tabular.cellRow(stidx);
7402         row_type const row2 = tabular.cellRow(enidx);
7403         for (col_type col = col1; col <= col2; col++)
7404                 for (row_type row = row1; row <= row2; row++)
7405                         for (auto const & par : tabular.cellInset(row, col)->paragraphs())
7406                                 retval.push_back(par);
7407         return retval;
7408 }
7409
7410
7411 void InsetTabular::getSelection(Cursor & cur,
7412         row_type & rs, row_type & re, col_type & cs, col_type & ce) const
7413 {
7414         CursorSlice const & beg = cur.selBegin();
7415         CursorSlice const & end = cur.selEnd();
7416         cs = tabular.cellColumn(beg.idx());
7417         ce = tabular.cellColumn(end.idx());
7418         if (cs > ce)
7419                 swap(cs, ce);
7420
7421         rs = tabular.cellRow(beg.idx());
7422         re = tabular.cellRow(end.idx());
7423         if (rs > re)
7424                 swap(rs, re);
7425 }
7426
7427
7428 Text * InsetTabular::getText(int idx) const
7429 {
7430         return size_t(idx) < nargs() ? cell(idx)->getText(0) : nullptr;
7431 }
7432
7433
7434 bool InsetTabular::isChanged() const
7435 {
7436         for (idx_type idx = 0; idx < nargs(); ++idx) {
7437                 if (cell(idx)->isChanged())
7438                         return true;
7439                 if (tabular.row_info[tabular.cellRow(idx)].change.changed())
7440                         return true;
7441                 if (tabular.column_info[tabular.cellColumn(idx)].change.changed())
7442                         return true;
7443         }
7444         return false;
7445 }
7446
7447
7448 void InsetTabular::setChange(Change const & change)
7449 {
7450         for (idx_type idx = 0; idx < nargs(); ++idx)
7451                 cell(idx)->setChange(change);
7452 }
7453
7454
7455 void InsetTabular::acceptChanges()
7456 {
7457         for (idx_type idx = 0; idx < nargs(); ++idx)
7458                 cell(idx)->acceptChanges();
7459         for (row_type row = 0; row < tabular.nrows(); ++row) {
7460                 if (tabular.row_info[row].change.inserted())
7461                         tabular.row_info[row].change.setUnchanged();
7462                 else if (tabular.row_info[row].change.deleted())
7463                         tabular.deleteRow(row, true);
7464         }
7465         for (col_type col = 0; col < tabular.ncols(); ++col) {
7466                 if (tabular.column_info[col].change.inserted())
7467                         tabular.column_info[col].change.setUnchanged();
7468                 else if (tabular.column_info[col].change.deleted())
7469                         tabular.deleteColumn(col, true);
7470         }
7471         tabular.updateIndexes();
7472 }
7473
7474
7475 void InsetTabular::rejectChanges()
7476 {
7477         for (idx_type idx = 0; idx < nargs(); ++idx)
7478                 cell(idx)->rejectChanges();
7479         for (row_type row = 0; row < tabular.nrows(); ++row) {
7480                 if (tabular.row_info[row].change.deleted())
7481                         tabular.row_info[row].change.setUnchanged();
7482                 else if (tabular.row_info[row].change.inserted())
7483                         tabular.deleteRow(row, true);
7484         }
7485         for (col_type col = 0; col < tabular.ncols(); ++col) {
7486                 if (tabular.column_info[col].change.deleted())
7487                         tabular.column_info[col].change.setUnchanged();
7488                 else if (tabular.column_info[col].change.inserted())
7489                         tabular.deleteColumn(col, true);
7490         }
7491         tabular.updateIndexes();
7492 }
7493
7494
7495 bool InsetTabular::allowParagraphCustomization(idx_type cell) const
7496 {
7497         return tabular.getPWidth(cell).zero();
7498 }
7499
7500
7501 bool InsetTabular::insertPlaintextString(BufferView & bv, docstring const & buf,
7502                                      bool usePaste)
7503 {
7504         if (buf.length() <= 0)
7505                 return true;
7506
7507         col_type cols = 1;
7508         row_type rows = 1;
7509         col_type maxCols = 1;
7510         size_t const len = buf.length();
7511         size_t p = 0;
7512
7513         while (p < len &&
7514                (p = buf.find_first_of(from_ascii("\t\n"), p)) != docstring::npos) {
7515                 switch (buf[p]) {
7516                 case '\t':
7517                         ++cols;
7518                         break;
7519                 case '\n':
7520                         if (p + 1 < len)
7521                                 ++rows;
7522                         maxCols = max(cols, maxCols);
7523                         cols = 1;
7524                         break;
7525                 }
7526                 ++p;
7527         }
7528         maxCols = max(cols, maxCols);
7529         Tabular * loctab;
7530         idx_type cell = 0;
7531         col_type ocol = 0;
7532         row_type row = 0;
7533         if (usePaste) {
7534                 paste_tabular.reset(new Tabular(buffer_, rows, maxCols));
7535                 loctab = paste_tabular.get();
7536                 dirtyTabularStack(true);
7537         } else {
7538                 loctab = &tabular;
7539                 cell = bv.cursor().idx();
7540                 ocol = tabular.cellColumn(cell);
7541                 row = tabular.cellRow(cell);
7542         }
7543
7544         size_t op = 0;
7545         idx_type cells = loctab->numberofcells;
7546         p = 0;
7547         cols = ocol;
7548         rows = loctab->nrows();
7549         col_type columns = loctab->ncols();
7550
7551         while (p < len &&
7552                (p = buf.find_first_of(from_ascii("\t\n"), p)) != docstring::npos)
7553         {
7554                 if (p >= len)
7555                         break;
7556                 switch (buf[p]) {
7557                 case '\t':
7558                         // append column if necessary
7559                         if (cols == columns) {
7560                                 loctab->appendColumn(cols - 1);
7561                                 columns = loctab->ncols();
7562                                 cells = loctab->numberofcells;
7563                                 ++cell;
7564                         }
7565                         if (cols < columns) {
7566                                 shared_ptr<InsetTableCell> inset = loctab->cellInset(cell);
7567                                 Font const font = bv.textMetrics(&inset->text()).
7568                                         displayFont(0, 0);
7569                                 inset->setText(buf.substr(op, p - op), font,
7570                                                buffer().params().track_changes);
7571                                 ++cols;
7572                                 ++cell;
7573                         }
7574                         break;
7575                 case '\n':
7576                         // we can only set this if we are not too far right
7577                         if (cols < columns) {
7578                                 shared_ptr<InsetTableCell> inset = tabular.cellInset(cell);
7579                                 Font const font = bv.textMetrics(&inset->text()).
7580                                         displayFont(0, 0);
7581                                 inset->setText(buf.substr(op, p - op), font,
7582                                                buffer().params().track_changes);
7583                         }
7584                         cols = ocol;
7585                         ++row;
7586                         // append row if necessary
7587                         if (row == rows && p < len - 1) {
7588                                 loctab->appendRow(row - 1);
7589                                 rows = loctab->nrows();
7590                                 cells = loctab->numberofcells;
7591                         }
7592                         if (row < rows)
7593                                 cell = loctab->cellIndex(row, cols);
7594                         break;
7595                 }
7596                 ++p;
7597                 op = p;
7598         }
7599         // check for the last cell if there is no trailing '\n'
7600         if (cell < cells && op < len) {
7601                 shared_ptr<InsetTableCell> inset = loctab->cellInset(cell);
7602                 Font const font = bv.textMetrics(&inset->text()).displayFont(0, 0);
7603                 inset->setText(buf.substr(op, len - op), font,
7604                         buffer().params().track_changes);
7605         }
7606         return true;
7607 }
7608
7609
7610 void InsetTabular::addPreview(DocIterator const & inset_pos,
7611         PreviewLoader & loader) const
7612 {
7613         DocIterator cell_pos = inset_pos;
7614
7615         cell_pos.push_back(CursorSlice(*const_cast<InsetTabular *>(this)));
7616         for (row_type r = 0; r < tabular.nrows(); ++r) {
7617                 for (col_type c = 0; c < tabular.ncols(); ++c) {
7618                         cell_pos.top().idx() = tabular.cellIndex(r, c);
7619                         tabular.cellInset(r, c)->addPreview(cell_pos, loader);
7620                 }
7621         }
7622 }
7623
7624
7625 bool InsetTabular::completionSupported(Cursor const & cur) const
7626 {
7627         Cursor const & bvCur = cur.bv().cursor();
7628         if (&bvCur.inset() != this)
7629                 return false;
7630         return cur.text()->completionSupported(cur);
7631 }
7632
7633
7634 bool InsetTabular::inlineCompletionSupported(Cursor const & cur) const
7635 {
7636         return completionSupported(cur);
7637 }
7638
7639
7640 bool InsetTabular::automaticInlineCompletion() const
7641 {
7642         return lyxrc.completion_inline_text;
7643 }
7644
7645
7646 bool InsetTabular::automaticPopupCompletion() const
7647 {
7648         return lyxrc.completion_popup_text;
7649 }
7650
7651
7652 bool InsetTabular::showCompletionCursor() const
7653 {
7654         return lyxrc.completion_cursor_text &&
7655                 (lyxrc.completion_inline_text || lyxrc.completion_popup_text);
7656 }
7657
7658
7659 CompletionList const * InsetTabular::createCompletionList(Cursor const & cur) const
7660 {
7661         return completionSupported(cur) ? cur.text()->createCompletionList(cur) : nullptr;
7662 }
7663
7664
7665 docstring InsetTabular::completionPrefix(Cursor const & cur) const
7666 {
7667         if (!completionSupported(cur))
7668                 return docstring();
7669         return cur.text()->completionPrefix(cur);
7670 }
7671
7672
7673 bool InsetTabular::insertCompletion(Cursor & cur, docstring const & s, bool finished)
7674 {
7675         if (!completionSupported(cur))
7676                 return false;
7677
7678         return cur.text()->insertCompletion(cur, s, finished);
7679 }
7680
7681
7682 void InsetTabular::completionPosAndDim(Cursor const & cur, int & x, int & y,
7683                                     Dimension & dim) const
7684 {
7685         TextMetrics const & tm = cur.bv().textMetrics(cur.text());
7686         tm.completionPosAndDim(cur, x, y, dim);
7687 }
7688
7689
7690 void InsetTabular::string2params(string const & in, InsetTabular & inset)
7691 {
7692         istringstream data(in);
7693         Lexer lex;
7694         lex.setStream(data);
7695
7696         if (in.empty())
7697                 return;
7698
7699         string token;
7700         lex >> token;
7701         if (!lex || token != "tabular") {
7702                 LYXERR0("Expected arg 1 to be \"tabular\" in " << in);
7703                 return;
7704         }
7705
7706         // This is part of the inset proper that is usually swallowed
7707         // by Buffer::readInset
7708         lex >> token;
7709         if (!lex || token != "Tabular") {
7710                 LYXERR0("Expected arg 2 to be \"Tabular\" in " << in);
7711                 return;
7712         }
7713
7714         inset.read(lex);
7715 }
7716
7717
7718 string InsetTabular::params2string(InsetTabular const & inset)
7719 {
7720         ostringstream data;
7721         data << "tabular" << ' ';
7722         inset.write(data);
7723         data << "\\end_inset\n";
7724         return data.str();
7725 }
7726
7727
7728 void InsetTabular::setLayoutForHiddenCells(DocumentClass const & dc)
7729 {
7730         for (col_type c = 0; c < tabular.ncols(); ++c) {
7731                 for (row_type r = 0; r < tabular.nrows(); ++r) {
7732                         if (!tabular.isPartOfMultiColumn(r,c) &&
7733                             !tabular.isPartOfMultiRow(r,c))
7734                                 continue;
7735
7736                         ParagraphList & parlist = tabular.cellInset(r,c)->paragraphs();
7737                         ParagraphList::iterator it = parlist.begin();
7738                         ParagraphList::iterator const en = parlist.end();
7739                         for (; it != en; ++it)
7740                                         it->setLayout(dc.plainLayout());
7741                 }
7742         }
7743 }
7744
7745
7746 } // namespace lyx