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