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