src/insets/InsetTabular.cpp

   1 /**
   2  * \file InsetTabular.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Lars Gullik Bjønnes
   7  * \author Matthias Ettrich
   8  * \author José Matos
   9  * \author Jean-Marc Lasgouttes
  10  * \author Angus Leeming
  11  * \author John Levon
  12  * \author André Pönitz
  13  * \author Jürgen Vigna
  14  * \author Uwe Stöhr
  15  * \author Edwin Leuven
  16  * \author Scott Kostyshak
  17  *
  18  * Full author contact details are available in file CREDITS.
  19  */
  20
  21 #include <config.h>
  22
  23 #include "InsetTabular.h"
  24
  25 #include "buffer_funcs.h"
  26 #include "Buffer.h"
  27 #include "BufferParams.h"
  28 #include "BufferView.h"
  29 #include "CoordCache.h"
  30 #include "Counters.h"
  31 #include "Cursor.h"
  32 #include "CutAndPaste.h"
  33 #include "DispatchResult.h"
  34 #include "FuncRequest.h"
  35 #include "FuncStatus.h"
  36 #include "InsetIterator.h"
  37 #include "InsetList.h"
  38 #include "Language.h"
  39 #include "LaTeXFeatures.h"
  40 #include "Lexer.h"
  41 #include "LyX.h"
  42 #include "LyXRC.h"
  43 #include "MetricsInfo.h"
  44 #include "OutputParams.h"
  45 #include "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, Tabular::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 Tabular::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 Tabular::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 Tabular::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 Tabular::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 Tabular::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 Tabular::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 Tabular::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 Tabular::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 Tabular::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 Tabular::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 Tabular::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 Tabular::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 Tabular::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 Tabular::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 Tabular::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                         InsetIterator it = inset_iterator_begin(*const_cast<InsetTableCell *>(inset));
3135                         InsetIterator i_end = inset_iterator_end(*const_cast<InsetTableCell *>(inset));
3136                         for (; it != i_end; ++it) {
3137                                 if (it->lyxCode() != CAPTION_CODE)
3138                                         continue;
3139                                 it->latex(os, runparams);
3140                                 break;
3141                         }
3142                 } else if (!isPartOfMultiRow(row, c)) {
3143                         if (!runparams.nice)
3144                                 os.texrow().start(par.id(), 0);
3145                         inset->latex(os, newrp);
3146                 }
3147
3148                 runparams.encoding = newrp.encoding;
3149                 if (rtl)
3150                         os << '}';
3151
3152                 TeXCellPostamble(os, cell, ismulticol, ismultirow);
3153                 if (cell != lastcell) { // not last cell in row
3154                         if (runparams.nice)
3155                                 os << " & ";
3156                         else
3157                                 os << " &\n";
3158                 }
3159         }
3160         os << "\\tabularnewline";
3161         if (row_info[row].bottom_space_default) {
3162                 if (use_booktabs)
3163                         os << "\\addlinespace";
3164                 else
3165                         os << "[\\doublerulesep]";
3166         } else if (!row_info[row].bottom_space.zero()) {
3167                 if (use_booktabs)
3168                         os << "\\addlinespace";
3169                 os << '['
3170                    << from_ascii(row_info[row].bottom_space.asLatexString())
3171                    << ']';
3172         }
3173         os << '\n';
3174
3175         //output the bottom line
3176         TeXBottomHLine(os, row, columns, logical_columns);
3177
3178         if (row_info[row].interline_space_default) {
3179                 if (use_booktabs)
3180                         os << "\\addlinespace\n";
3181                 else
3182                         os << "\\noalign{\\vskip\\doublerulesep}\n";
3183         } else if (!row_info[row].interline_space.zero()) {
3184                 if (use_booktabs)
3185                         os << "\\addlinespace["
3186                            << from_ascii(row_info[row].interline_space.asLatexString())
3187                            << "]\n";
3188                 else
3189                         os << "\\noalign{\\vskip"
3190                            << from_ascii(row_info[row].interline_space.asLatexString())
3191                            << "}\n";
3192         }
3193 }
3194
3195
3196 void Tabular::latex(otexstream & os, OutputParams const & runparams) const
3197 {
3198         bool const is_tabular_star = !is_long_tabular && !tabular_width.zero()
3199                 && !hasVarwidthColumn();
3200         bool const is_xltabular = is_long_tabular
3201                 && (hasVarwidthColumn() || !tabular_width.zero());
3202         TexRow::RowEntry pos = TexRow::textEntry(runparams.lastid, runparams.lastpos);
3203
3204         //+---------------------------------------------------------------------
3205         //+                      first the opening preamble                    +
3206         //+---------------------------------------------------------------------
3207
3208         os << safebreakln;
3209         if (!TexRow::isNone(pos))
3210                 os.texrow().start(pos);
3211
3212         if (rotate != 0) {
3213                 if (is_long_tabular)
3214                         os << "\\begin{landscape}\n";
3215                 else
3216                         os << "\\begin{turn}{" << convert<string>(rotate) << "}\n";
3217         }
3218
3219         // The bidi package (loaded by polyglossia with XeTeX) swaps the column
3220         // order for RTL (#9686). Thus we use this list.
3221         bool const bidi_rtl =
3222                 runparams.local_font->isRightToLeft()
3223                 && runparams.useBidiPackage();
3224         list<col_type> columns;
3225         list<col_type> logical_columns;
3226         for (col_type cl = 0; cl < ncols(); ++cl) {
3227                 if (!buffer().params().output_changes && column_info[cl].change.deleted())
3228                         continue;
3229                 if (bidi_rtl)
3230                         columns.push_front(cl);
3231                 else
3232                         columns.push_back(cl);
3233                 // for some calculations, we need the logical (non-swapped)
3234                 // columns also in bidi.
3235                 logical_columns.push_back(cl);
3236         }
3237
3238         // If we use \cline or \cmidrule, we need to locally de-activate
3239         // the - character when using languages that activate it (e.g., Czech, Slovak).
3240         bool deactivate_chars = false;
3241         if ((runparams.use_babel || runparams.use_polyglossia)
3242             && contains(runparams.active_chars, '-')) {
3243                 bool have_clines = false;
3244                 // Check if we use \cline or \cmidrule
3245                 for (row_type row = 0; row < nrows(); ++row) {
3246                         col_type bset = 0, tset = 0;
3247                         for (auto const & c : columns) {
3248                                 idx_type const idx = cellIndex(row, c);
3249                                 if (bottomLineTrim(idx).first || bottomLineTrim(idx).second
3250                                     || topLineTrim(idx).first || topLineTrim(idx).second) {
3251                                         have_clines = true;
3252                                         break;
3253                                 }
3254                                 if (bottomLine(cellIndex(row, c)))
3255                                         ++bset;
3256                                 if (topLine(cellIndex(row, c)))
3257                                         ++tset;
3258                         }
3259                         if ((bset > 0 && bset < ncols()) || (tset > 0 && tset < ncols())) {
3260                                 have_clines = true;
3261                                 break;
3262                         }
3263                 }
3264                 if (have_clines) {
3265                         deactivate_chars = true;
3266                         os << "\\begingroup\n"
3267                            << "\\catcode`\\-=12\n";
3268                 }
3269         }
3270
3271         if (is_long_tabular) {
3272                 if (is_xltabular)
3273                         os << "\\begin{xltabular}";
3274                 else
3275                         os << "\\begin{longtable}";
3276                 switch (longtabular_alignment) {
3277                 case LYX_LONGTABULAR_ALIGN_LEFT:
3278                         os << "[l]";
3279                         break;
3280                 case LYX_LONGTABULAR_ALIGN_CENTER:
3281                         os << "[c]";
3282                         break;
3283                 case LYX_LONGTABULAR_ALIGN_RIGHT:
3284                         os << "[r]";
3285                         break;
3286                 }
3287                 if (is_xltabular) {
3288                         if (tabular_width.zero())
3289                                 os << "{" << from_ascii("\\columnwidth") << "}";
3290                         else
3291                                 os << "{" << from_ascii(tabular_width.asLatexString()) << "}";
3292                 }
3293         } else {
3294                 if (is_tabular_star)
3295                         os << "\\begin{tabular*}{" << from_ascii(tabular_width.asLatexString()) << "}";
3296                 else if (hasVarwidthColumn()) {
3297                         os << "\\begin{tabularx}{";
3298                         if (tabular_width.zero())
3299                                 os << from_ascii("\\columnwidth") << "}";
3300                         else
3301                                 os << from_ascii(tabular_width.asLatexString()) << "}";
3302                 } else
3303                         os << "\\begin{tabular}";
3304                 switch (tabular_valignment) {
3305                 case LYX_VALIGN_TOP:
3306                         os << "[t]";
3307                         break;
3308                 case LYX_VALIGN_MIDDLE:
3309                         break;
3310                 case LYX_VALIGN_BOTTOM:
3311                         os << "[b]";
3312                         break;
3313                 }
3314         }
3315
3316         os << "{";
3317
3318         if (is_tabular_star)
3319                 os << "@{\\extracolsep{\\fill}}";
3320
3321         for (auto const & c : columns) {
3322                 if ((bidi_rtl && columnRightLine(c)) || (!bidi_rtl && columnLeftLine(c)))
3323                         os << '|';
3324                 if (!column_info[c].align_special.empty()) {
3325                         os << column_info[c].align_special;
3326                 } else {
3327                         if (!column_info[c].p_width.zero()) {
3328                                 bool decimal = false;
3329                                 switch (column_info[c].alignment) {
3330                                 case LYX_ALIGN_LEFT:
3331                                         os << ">{\\raggedright}";
3332                                         break;
3333                                 case LYX_ALIGN_RIGHT:
3334                                         os << ">{\\raggedleft}";
3335                                         break;
3336                                 case LYX_ALIGN_CENTER:
3337                                         os << ">{\\centering}";
3338                                         break;
3339                                 case LYX_ALIGN_NONE:
3340                                 case LYX_ALIGN_BLOCK:
3341                                 case LYX_ALIGN_LAYOUT:
3342                                 case LYX_ALIGN_SPECIAL:
3343                                         break;
3344                                 case LYX_ALIGN_DECIMAL: {
3345                                         if (bidi_rtl)
3346                                                 os << ">{\\raggedright}";
3347                                         else
3348                                                 os << ">{\\raggedleft}";
3349                                         decimal = true;
3350                                         break;
3351                                 }
3352                                 }
3353
3354                                 char valign = 'p';
3355                                 switch (column_info[c].valignment) {
3356                                 case LYX_VALIGN_TOP:
3357                                         // this is the default
3358                                         break;
3359                                 case LYX_VALIGN_MIDDLE:
3360                                         valign = 'm';
3361                                         break;
3362                                 case LYX_VALIGN_BOTTOM:
3363                                         valign = 'b';
3364                                         break;
3365                                 }
3366                                 os << valign;
3367
3368                                 // Fixed-width cells with alignment at decimal separator
3369                                 // are output as two cells of half the width with the decimal
3370                                 // separator as column sep. This effectively puts the content
3371                                 // centered, which differs from the normal decimal sep alignment
3372                                 // and is not ideal, but we cannot do better ATM (see #9568).
3373                                 // FIXME: Implement proper decimal sep alignment, e.g. via siunitx.
3374                                 if (decimal) {
3375                                         docstring const halffixedwith =
3376                                                 from_ascii(Length(column_info[c].p_width.value() / 2,
3377                                                                   column_info[c].p_width.unit()).asLatexString());
3378                                         os << '{'
3379                                            << halffixedwith
3380                                            << '}'
3381                                            << "@{\\extracolsep{0pt}" << column_info[c].decimal_point << "}"
3382                                            << valign
3383                                            << '{'
3384                                            << halffixedwith
3385                                            << '}';
3386                                 } else
3387                                         os << '{'
3388                                            << from_ascii(column_info[c].p_width.asLatexString())
3389                                            << '}';
3390                         } else if (column_info[c].varwidth) {
3391                                 switch (column_info[c].alignment) {
3392                                 case LYX_ALIGN_LEFT:
3393                                         os << ">{\\raggedright\\arraybackslash}";
3394                                         break;
3395                                 case LYX_ALIGN_RIGHT:
3396                                         os << ">{\\raggedleft\\arraybackslash}";
3397                                         break;
3398                                 case LYX_ALIGN_CENTER:
3399                                         os << ">{\\centering\\arraybackslash}";
3400                                         break;
3401                                 case LYX_ALIGN_NONE:
3402                                 case LYX_ALIGN_BLOCK:
3403                                 case LYX_ALIGN_LAYOUT:
3404                                 case LYX_ALIGN_SPECIAL:
3405                                 case LYX_ALIGN_DECIMAL:
3406                                         break;
3407                                 }
3408                                 os << 'X';
3409                         } else if (isVTypeColumn(c)) {
3410                                 switch (column_info[c].alignment) {
3411                                 case LYX_ALIGN_LEFT:
3412                                         os << ">{\\raggedright}";
3413                                         break;
3414                                 case LYX_ALIGN_RIGHT:
3415                                         os << ">{\\raggedleft}";
3416                                         break;
3417                                 case LYX_ALIGN_CENTER:
3418                                         os << ">{\\centering}";
3419                                         break;
3420                                 case LYX_ALIGN_NONE:
3421                                 case LYX_ALIGN_BLOCK:
3422                                 case LYX_ALIGN_LAYOUT:
3423                                 case LYX_ALIGN_SPECIAL:
3424                                 case LYX_ALIGN_DECIMAL:
3425                                         break;
3426                                 }
3427                                 os << "V{\\linewidth}";
3428                         } else {
3429                                 switch (column_info[c].alignment) {
3430                                 case LYX_ALIGN_LEFT:
3431                                         os << 'l';
3432                                         break;
3433                                 case LYX_ALIGN_RIGHT:
3434                                         os << 'r';
3435                                         break;
3436                                 case LYX_ALIGN_DECIMAL:
3437                                         os << "r@{\\extracolsep{0pt}" << column_info[c].decimal_point << "}l";
3438                                         break;
3439                                 default:
3440                                         os << 'c';
3441                                         break;
3442                                 }
3443                         } // end if else !column_info[i].p_width
3444                 } // end if else !column_info[i].align_special
3445                 if ((bidi_rtl && columnLeftLine(c)) || (!bidi_rtl && columnRightLine(c)))
3446                         os << '|';
3447         }
3448         os << "}\n";
3449
3450         TeXLongtableHeaderFooter(os, runparams, columns, logical_columns);
3451
3452         //+---------------------------------------------------------------------
3453         //+                      the single row and columns (cells)            +
3454         //+---------------------------------------------------------------------
3455
3456         for (row_type r = 0; r < nrows(); ++r) {
3457                 if (!buffer().params().output_changes && row_info[r].change.deleted())
3458                         continue;
3459                 if (isValidRow(r)) {
3460                         TeXRow(os, r, runparams, columns, logical_columns);
3461                         if (is_long_tabular && row_info[r].newpage)
3462                                 os << "\\newpage\n";
3463                 }
3464         }
3465
3466         //+---------------------------------------------------------------------
3467         //+                      the closing of the tabular                    +
3468         //+---------------------------------------------------------------------
3469
3470         if (is_long_tabular) {
3471                 if (is_xltabular)
3472                         os << "\\end{xltabular}";
3473                 else
3474                         os << "\\end{longtable}";
3475         } else {
3476                 if (is_tabular_star)
3477                         os << "\\end{tabular*}";
3478                 else if (hasVarwidthColumn())
3479                         os << "\\end{tabularx}";
3480                 else
3481                         os << "\\end{tabular}";
3482         }
3483
3484         if (deactivate_chars)
3485                 // close the group
3486                 os << "\n\\endgroup\n";
3487
3488         if (rotate != 0) {
3489                 if (is_long_tabular)
3490                         os << breakln << "\\end{landscape}";
3491                 else
3492                         os << breakln << "\\end{turn}";
3493         }
3494
3495         if (!TexRow::isNone(pos))
3496                 os.texrow().start(pos);
3497 }
3498
3499
3500 void Tabular::docbookRow(XMLStream & xs, row_type row,
3501                    OutputParams const & runparams, bool header) const
3502 {
3503         switch (buffer().params().docbook_table_output) {
3504         case BufferParams::HTMLTable:
3505                 docbookRowAsHTML(xs, row, runparams, header);
3506                 break;
3507         case BufferParams::CALSTable:
3508                 docbookRowAsCALS(xs, row, runparams);
3509                 break;
3510         }
3511 }
3512
3513
3514 void Tabular::docbookRowAsHTML(XMLStream & xs, row_type row,
3515                    OutputParams const & runparams, bool header) const
3516 {
3517         string const celltag = header ? "th" : "td";
3518         idx_type cell = getFirstCellInRow(row);
3519
3520         xs << xml::StartTag("tr");
3521         xs << xml::CR();
3522         for (col_type c = 0; c < ncols(); ++c) {
3523                 if (isPartOfMultiColumn(row, c) || isPartOfMultiRow(row, c))
3524                         continue;
3525
3526                 stringstream attr;
3527
3528                 Length const cwidth = column_info[c].p_width;
3529                 if (!cwidth.zero()) {
3530                         string const hwidth = cwidth.asHTMLString();
3531                         attr << "style =\"width: " << hwidth << ";\" ";
3532                 }
3533
3534                 attr << "align='";
3535                 switch (getAlignment(cell)) {
3536                 case LYX_ALIGN_BLOCK:
3537                         attr << "justify";
3538                         break;
3539                 case LYX_ALIGN_DECIMAL: {
3540                         Language const *tlang = buffer().paragraphs().front().getParLanguage(buffer().params());
3541                         attr << "char' char='" << to_utf8(tlang->decimalSeparator());
3542                 }
3543                         break;
3544                 case LYX_ALIGN_LEFT:
3545                         attr << "left";
3546                         break;
3547                 case LYX_ALIGN_RIGHT:
3548                         attr << "right";
3549                         break;
3550                 default:
3551                         attr << "center";
3552                         break;
3553                 }
3554                 attr << "'";
3555                 attr << " valign='";
3556                 switch (getVAlignment(cell)) {
3557                 case LYX_VALIGN_TOP:
3558                         attr << "top";
3559                         break;
3560                 case LYX_VALIGN_BOTTOM:
3561                         attr << "bottom";
3562                         break;
3563                 case LYX_VALIGN_MIDDLE:
3564                         attr << "middle";
3565                 }
3566                 attr << "'";
3567
3568                 if (isMultiColumn(cell))
3569                         attr << " colspan='" << columnSpan(cell) << "'";
3570                 else if (isMultiRow(cell))
3571                         attr << " rowspan='" << rowSpan(cell) << "'";
3572
3573                 xs << xml::StartTag(celltag, attr.str(), true);
3574                 cellInset(cell)->docbook(xs, runparams);
3575                 xs << xml::EndTag(celltag);
3576                 xs << xml::CR();
3577                 ++cell;
3578         }
3579         xs << xml::EndTag("tr");
3580         xs << xml::CR();
3581 }
3582
3583
3584 void Tabular::docbookRowAsCALS(XMLStream & xs, row_type row,
3585                                 OutputParams const & runparams) const
3586 {
3587         idx_type cell = getFirstCellInRow(row);
3588
3589         xs << xml::StartTag("row");
3590         xs << xml::CR();
3591         for (col_type c = 0; c < ncols(); ++c) {
3592                 if (isPartOfMultiColumn(row, c) || isPartOfMultiRow(row, c))
3593                         continue;
3594
3595                 stringstream attr;
3596
3597                 attr << "align='";
3598                 switch (getAlignment(cell)) {
3599                 case LYX_ALIGN_BLOCK:
3600                         attr << "justify";
3601                         break;
3602                 case LYX_ALIGN_DECIMAL: {
3603                         Language const *tlang = buffer().paragraphs().front().getParLanguage(buffer().params());
3604                         attr << "char' char='" << to_utf8(tlang->decimalSeparator());
3605                 }
3606                         break;
3607                 case LYX_ALIGN_LEFT:
3608                         attr << "left";
3609                         break;
3610                 case LYX_ALIGN_RIGHT:
3611                         attr << "right";
3612                         break;
3613
3614                 default:
3615                         attr << "center";
3616                         break;
3617                 }
3618                 attr << "'";
3619                 attr << " valign='";
3620                 switch (getVAlignment(cell)) {
3621                 case LYX_VALIGN_TOP:
3622                         attr << "top";
3623                         break;
3624                 case LYX_VALIGN_BOTTOM:
3625                         attr << "bottom";
3626                         break;
3627                 case LYX_VALIGN_MIDDLE:
3628                         attr << "middle";
3629                 }
3630                 attr << "'";
3631
3632                 if (isMultiColumn(cell))
3633                         attr << " colspan='" << columnSpan(cell) << "'";
3634                 else if (isMultiRow(cell))
3635                         attr << " rowspan='" << rowSpan(cell) << "'";
3636                 else
3637                         attr << " colname='c" << (c + 1) << "'"; // Column numbering starts at 1.
3638
3639                 // All cases where there should be a line *below* this row.
3640                 if (row_info[row].bottom_space_default)
3641                         attr << " rowsep='1'";
3642
3643                 xs << xml::StartTag("entry", attr.str(), true);
3644                 cellInset(cell)->docbook(xs, runparams);
3645                 xs << xml::EndTag("entry");
3646                 xs << xml::CR();
3647                 ++cell;
3648         }
3649         xs << xml::EndTag("row");
3650         xs << xml::CR();
3651 }
3652
3653
3654 void Tabular::docbook(XMLStream & xs, OutputParams const & runparams) const
3655 {
3656         docstring ret;
3657
3658         // Some tables are inline. Likely limitation: cannot output a table within a table; is that really a limitation?
3659         if (!runparams.docbook_in_table) { // Check on the *outer* set of parameters, so that the table can be closed
3660                 // properly at the end of this function.
3661                 xs << xml::StartTag("informaltable");
3662                 xs << xml::CR();
3663         }
3664
3665         // "Formal" tables have a title and use the tag <table>; the distinction with <informaltable> is done outside.
3666         // HTML has the caption first with titles forbidden, and CALS has a title first.
3667         if (haveLTCaption()) {
3668                 std::string tag = ((buffer().params().docbook_table_output) == BufferParams::HTMLTable) ? "caption" : "title";
3669
3670                 xs << xml::StartTag(tag);
3671                 for (row_type r = 0; r < nrows(); ++r)
3672                         if (row_info[r].caption)
3673                                 docbookRow(xs, r, runparams);
3674                 xs << xml::EndTag(tag);
3675                 xs << xml::CR();
3676         }
3677
3678         // CALS header: describe all columns in this table. For names, take 'c' then the ID of the column.
3679         // Start at one, as is customary with CALS!
3680         if (buffer().params().docbook_table_output == BufferParams::CALSTable) {
3681                 for (col_type c = 0; c < ncols(); ++c) {
3682                         std::stringstream attr;
3683                         attr << "colnum='" << (c + 1) << "' ";
3684                         attr << "colname='c" << (c + 1) << "' ";
3685                         Length const cwidth = column_info[c].p_width;
3686                         if (!cwidth.zero())
3687                                 attr << "colwidth='" << cwidth.asHTMLString() << "' ";
3688                         attr << "rowheader='norowheader'"; // Last attribute, hence no space at the end.
3689
3690                         xs << xml::CompTag("colspec", attr.str());
3691                         xs << xml::CR();
3692                 }
3693         }
3694
3695         // Output the header of the table. For both HTML and CALS, this is surrounded by a thead.
3696         bool const havefirsthead = haveLTFirstHead(false);
3697         // if we have a first head, then we are going to ignore the
3698         // headers for the additional pages, since there aren't any
3699         // in DocBook. this test accomplishes that.
3700         bool const havehead = !havefirsthead && haveLTHead(false);
3701         if (havehead || havefirsthead) {
3702                 xs << xml::StartTag("thead") << xml::CR();
3703                 for (row_type r = 0; r < nrows(); ++r) {
3704                         if (((havefirsthead && row_info[r].endfirsthead) ||
3705                              (havehead && row_info[r].endhead)) &&
3706                             !row_info[r].caption) {
3707                                 docbookRow(xs, r, runparams, true); // TODO: HTML vs CALS
3708                         }
3709                 }
3710                 xs << xml::EndTag("thead");
3711                 xs << xml::CR();
3712         }
3713
3714         // Output the footer of the table. For both HTML and CALS, this is surrounded by a tfoot and output just after
3715         // the header (and before the body).
3716         bool const havelastfoot = haveLTLastFoot(false);
3717         // as before.
3718         bool const havefoot = !havelastfoot && haveLTFoot(false);
3719         if (havefoot || havelastfoot) {
3720                 xs << xml::StartTag("tfoot") << xml::CR();
3721                 for (row_type r = 0; r < nrows(); ++r) {
3722                         if (((havelastfoot && row_info[r].endlastfoot) ||
3723                              (havefoot && row_info[r].endfoot)) &&
3724                             !row_info[r].caption) {
3725                                 docbookRow(xs, r, runparams); // TODO: HTML vs CALS
3726                         }
3727                 }
3728                 xs << xml::EndTag("tfoot");
3729                 xs << xml::CR();
3730         }
3731
3732         // Output the main part of the table. The tbody container is mandatory for CALS, but optional for HTML (only if
3733         // there is no header and no footer). It never hurts to have it, though.
3734         xs << xml::StartTag("tbody");
3735         xs << xml::CR();
3736         for (row_type r = 0; r < nrows(); ++r)
3737                 if (isValidRow(r))
3738                         docbookRow(xs, r, runparams);
3739         xs << xml::EndTag("tbody");
3740         xs << xml::CR();
3741
3742         // If this method started the table tag, also make it close it.
3743         if (!runparams.docbook_in_table) {
3744                 xs << xml::EndTag("informaltable");
3745                 xs << xml::CR();
3746         }
3747 }
3748
3749
3750 docstring Tabular::xhtmlRow(XMLStream & xs, row_type row,
3751                            OutputParams const & runparams, bool header) const
3752 {
3753         docstring ret;
3754         string const celltag = header ? "th" : "td";
3755         idx_type cell = getFirstCellInRow(row);
3756
3757         xs << xml::StartTag("tr");
3758         for (col_type c = 0; c < ncols(); ++c) {
3759                 if (isPartOfMultiColumn(row, c) || isPartOfMultiRow(row, c))
3760                         continue;
3761
3762                 stringstream attr;
3763
3764                 Length const cwidth = column_info[c].p_width;
3765                 if (!cwidth.zero()) {
3766                         string const hwidth = cwidth.asHTMLString();
3767                         attr << "style =\"width: " << hwidth << ";\" ";
3768                 }
3769
3770                 attr << "align='";
3771                 switch (getAlignment(cell)) {
3772                 case LYX_ALIGN_LEFT:
3773                         attr << "left";
3774                         break;
3775                 case LYX_ALIGN_RIGHT:
3776                         attr << "right";
3777                         break;
3778                 default:
3779                         attr << "center";
3780                         break;
3781                 }
3782                 attr << "'";
3783                 attr << " valign='";
3784                 switch (getVAlignment(cell)) {
3785                 case LYX_VALIGN_TOP:
3786                         attr << "top";
3787                         break;
3788                 case LYX_VALIGN_BOTTOM:
3789                         attr << "bottom";
3790                         break;
3791                 case LYX_VALIGN_MIDDLE:
3792                         attr << "middle";
3793                 }
3794                 attr << "'";
3795
3796                 if (isMultiColumn(cell))
3797                         attr << " colspan='" << columnSpan(cell) << "'";
3798                 else if (isMultiRow(cell))
3799                         attr << " rowspan='" << rowSpan(cell) << "'";
3800
3801                 xs << xml::StartTag(celltag, attr.str(), true) << xml::CR();
3802                 ret += cellInset(cell)->xhtml(xs, runparams);
3803                 xs << xml::EndTag(celltag) << xml::CR();
3804                 ++cell;
3805         }
3806         xs << xml::EndTag("tr");
3807         return ret;
3808 }
3809
3810
3811 docstring Tabular::xhtml(XMLStream & xs, OutputParams const & runparams) const
3812 {
3813         docstring ret;
3814
3815         if (is_long_tabular) {
3816                 // we'll wrap it in a div, so as to deal with alignment
3817                 string align;
3818                 switch (longtabular_alignment) {
3819                 case LYX_LONGTABULAR_ALIGN_LEFT:
3820                         align = "left";
3821                         break;
3822                 case LYX_LONGTABULAR_ALIGN_CENTER:
3823                         align = "center";
3824                         break;
3825                 case LYX_LONGTABULAR_ALIGN_RIGHT:
3826                         align = "right";
3827                         break;
3828                 }
3829                 xs << xml::StartTag("div", "class='longtable' style='text-align: " + align + ";'");
3830                 xs << xml::CR();
3831                 // The caption flag wins over head/foot
3832                 if (haveLTCaption()) {
3833                         xs << xml::StartTag("div", "class='longtable-caption' style='text-align: " + align + ";'");
3834                         xs << xml::CR();
3835                         for (row_type r = 0; r < nrows(); ++r)
3836                                 if (row_info[r].caption)
3837                                         ret += xhtmlRow(xs, r, runparams);
3838                         xs << xml::EndTag("div");
3839                         xs << xml::CR();
3840                 }
3841         }
3842
3843         xs << xml::StartTag("table");
3844         xs << xml::CR();
3845
3846         // output header info
3847         bool const havefirsthead = haveLTFirstHead(false);
3848         // if we have a first head, then we are going to ignore the
3849         // headers for the additional pages, since there aren't any
3850         // in XHTML. this test accomplishes that.
3851         bool const havehead = !havefirsthead && haveLTHead(false);
3852         if (havehead || havefirsthead) {
3853                 xs << xml::StartTag("thead");
3854                 xs << xml::CR();
3855                 for (row_type r = 0; r < nrows(); ++r) {
3856                         if (((havefirsthead && row_info[r].endfirsthead) ||
3857                              (havehead && row_info[r].endhead)) &&
3858                             !row_info[r].caption) {
3859                                 ret += xhtmlRow(xs, r, runparams, true);
3860                         }
3861                 }
3862                 xs << xml::EndTag("thead");
3863                 xs << xml::CR();
3864         }
3865         // output footer info
3866         bool const havelastfoot = haveLTLastFoot(false);
3867         // as before.
3868         bool const havefoot = !havelastfoot && haveLTFoot(false);
3869         if (havefoot || havelastfoot) {
3870                 xs << xml::StartTag("tfoot") << xml::CR();
3871                 for (row_type r = 0; r < nrows(); ++r) {
3872                         if (((havelastfoot && row_info[r].endlastfoot) ||
3873                              (havefoot && row_info[r].endfoot)) &&
3874                             !row_info[r].caption) {
3875                                 ret += xhtmlRow(xs, r, runparams);
3876                         }
3877                 }
3878                 xs << xml::EndTag("tfoot");
3879                 xs << xml::CR();
3880         }
3881
3882         xs << xml::StartTag("tbody") << xml::CR();
3883         for (row_type r = 0; r < nrows(); ++r)
3884                 if (isValidRow(r))
3885                         ret += xhtmlRow(xs, r, runparams);
3886         xs << xml::EndTag("tbody");
3887         xs << xml::CR();
3888         xs << xml::EndTag("table");
3889         xs << xml::CR();
3890         if (is_long_tabular) {
3891                 xs << xml::EndTag("div");
3892                 xs << xml::CR();
3893         }
3894         return ret;
3895 }
3896
3897
3898 bool Tabular::plaintextTopHLine(odocstringstream & os, row_type row,
3899                                    vector<unsigned int> const & clen) const
3900 {
3901         idx_type const fcell = getFirstCellInRow(row);
3902         idx_type const n = numberOfCellsInRow(row) + fcell;
3903         idx_type tmp = 0;
3904
3905         for (idx_type i = fcell; i < n; ++i) {
3906                 if (topLine(i)) {
3907                         ++tmp;
3908                         break;
3909                 }
3910         }
3911         if (!tmp)
3912                 return false;
3913
3914         char_type ch;
3915         for (idx_type i = fcell; i < n; ++i) {
3916                 if (topLine(i)) {
3917                         if (leftLine(i))
3918                                 os << "+-";
3919                         else
3920                                 os << "--";
3921                         ch = '-';
3922                 } else {
3923                         os << "  ";
3924                         ch = ' ';
3925                 }
3926                 col_type column = cellColumn(i);
3927                 int len = clen[column];
3928                 while (column < ncols() - 1
3929                        && isPartOfMultiColumn(row, ++column))
3930                         len += clen[column] + 4;
3931                 os << docstring(len, ch);
3932                 if (topLine(i)) {
3933                         if (rightLine(i))
3934                                 os << "-+";
3935                         else
3936                                 os << "--";
3937                 } else {
3938                         os << "  ";
3939                 }
3940         }
3941         os << endl;
3942         return true;
3943 }
3944
3945
3946 bool Tabular::plaintextBottomHLine(odocstringstream & os, row_type row,
3947                                       vector<unsigned int> const & clen) const
3948 {
3949         idx_type const fcell = getFirstCellInRow(row);
3950         idx_type const n = numberOfCellsInRow(row) + fcell;
3951         idx_type tmp = 0;
3952
3953         for (idx_type i = fcell; i < n; ++i) {
3954                 if (bottomLine(i)) {
3955                         ++tmp;
3956                         break;
3957                 }
3958         }
3959         if (!tmp)
3960                 return false;
3961
3962         char_type ch;
3963         for (idx_type i = fcell; i < n; ++i) {
3964                 if (bottomLine(i)) {
3965                         if (leftLine(i))
3966                                 os << "+-";
3967                         else
3968                                 os << "--";
3969                         ch = '-';
3970                 } else {
3971                         os << "  ";
3972                         ch = ' ';
3973                 }
3974                 col_type column = cellColumn(i);
3975                 int len = clen[column];
3976                 while (column < ncols() - 1 && isPartOfMultiColumn(row, ++column))
3977                         len += clen[column] + 4;
3978                 os << docstring(len, ch);
3979                 if (bottomLine(i)) {
3980                         if (rightLine(i))
3981                                 os << "-+";
3982                         else
3983                                 os << "--";
3984                 } else {
3985                         os << "  ";
3986                 }
3987         }
3988         os << endl;
3989         return true;
3990 }
3991
3992
3993 void Tabular::plaintextPrintCell(odocstringstream & os,
3994                                OutputParams const & runparams,
3995                                idx_type cell, row_type row, col_type column,
3996                                vector<unsigned int> const & clen,
3997                                bool onlydata, size_t max_length) const
3998 {
3999         odocstringstream sstr;
4000         cellInset(cell)->plaintext(sstr, runparams, max_length);
4001
4002         if (onlydata) {
4003                 os << sstr.str();
4004                 return;
4005         }
4006
4007         if (leftLine(cell))
4008                 os << "| ";
4009         else
4010                 os << "  ";
4011
4012         unsigned int len1 = sstr.str().length();
4013         unsigned int len2 = clen[column];
4014         while (column < ncols() - 1 && isPartOfMultiColumn(row, ++column))
4015                 len2 += clen[column] + 4;
4016         len2 -= len1;
4017
4018         switch (getAlignment(cell)) {
4019         default:
4020         case LYX_ALIGN_LEFT:
4021                 len1 = 0;
4022                 break;
4023         case LYX_ALIGN_RIGHT:
4024                 len1 = len2;
4025                 len2 = 0;
4026                 break;
4027         case LYX_ALIGN_CENTER:
4028                 len1 = len2 / 2;
4029                 len2 -= len1;
4030                 break;
4031         }
4032
4033         os << docstring(len1, ' ') << sstr.str()
4034            << docstring(len2, ' ');
4035
4036         if (rightLine(cell))
4037                 os << " |";
4038         else
4039                 os << "  ";
4040 }
4041
4042
4043 void Tabular::plaintext(odocstringstream & os,
4044                            OutputParams const & runparams, int const depth,
4045                            bool onlydata, char_type delim, size_t max_length) const
4046 {
4047         // first calculate the width of the single columns
4048         vector<unsigned int> clen(ncols());
4049
4050         if (!onlydata) {
4051                 // first all non multicolumn cells!
4052                 for (col_type c = 0; c < ncols(); ++c) {
4053                         clen[c] = 0;
4054                         for (row_type r = 0; r < nrows(); ++r) {
4055                                 idx_type cell = cellIndex(r, c);
4056                                 if (isMultiColumn(cell))
4057                                         continue;
4058                                 odocstringstream sstr;
4059                                 cellInset(cell)->plaintext(sstr, runparams, max_length);
4060                                 if (clen[c] < sstr.str().length())
4061                                         clen[c] = sstr.str().length();
4062                         }
4063                 }
4064                 // then all multicolumn cells!
4065                 for (col_type c = 0; c < ncols(); ++c) {
4066                         for (row_type r = 0; r < nrows(); ++r) {
4067                                 idx_type cell = cellIndex(r, c);
4068                                 if (cell_info[r][c].multicolumn != CELL_BEGIN_OF_MULTICOLUMN)
4069                                         continue;
4070                                 odocstringstream sstr;
4071                                 cellInset(cell)->plaintext(sstr, runparams, max_length);
4072                                 int len = int(sstr.str().length());
4073                                 idx_type const n = columnSpan(cell);
4074                                 for (col_type k = c; len > 0 && k < c + n - 1; ++k)
4075                                         len -= clen[k];
4076                                 if (len > int(clen[c + n - 1]))
4077                                         clen[c + n - 1] = len;
4078                         }
4079                 }
4080         }
4081         idx_type cell = 0;
4082         for (row_type r = 0; r < nrows(); ++r) {
4083                 if (!onlydata && plaintextTopHLine(os, r, clen))
4084                         os << docstring(depth * 2, ' ');
4085                 for (col_type c = 0; c < ncols(); ++c) {
4086                         if (isPartOfMultiColumn(r, c) || isPartOfMultiRow(r,c))
4087                                 continue;
4088                         if (onlydata && c > 0)
4089                                 // we don't use operator<< for single UCS4 character.
4090                                 // see explanation in docstream.h
4091                                 os.put(delim);
4092                         plaintextPrintCell(os, runparams, cell, r, c, clen, onlydata, max_length);
4093                         ++cell;
4094                         if (os.str().size() > max_length)
4095                                 break;
4096                 }
4097                 os << endl;
4098                 if (!onlydata) {
4099                         os << docstring(depth * 2, ' ');
4100                         if (plaintextBottomHLine(os, r, clen))
4101                                 os << docstring(depth * 2, ' ');
4102                 }
4103                 if (os.str().size() > max_length)
4104                         break;
4105         }
4106 }
4107
4108
4109 shared_ptr<InsetTableCell> Tabular::cellInset(idx_type cell)
4110 {
4111         return cell_info[cellRow(cell)][cellColumn(cell)].inset;
4112 }
4113
4114
4115 shared_ptr<InsetTableCell> Tabular::cellInset(row_type row, col_type column)
4116 {
4117         return cell_info[row][column].inset;
4118 }
4119
4120
4121 InsetTableCell const * Tabular::cellInset(idx_type cell) const
4122 {
4123         return cell_info[cellRow(cell)][cellColumn(cell)].inset.get();
4124 }
4125
4126
4127 void Tabular::setCellInset(row_type row, col_type column,
4128                            shared_ptr<InsetTableCell> ins)
4129 {
4130         CellData & cd = cell_info[row][column];
4131         cd.inset = ins;
4132 }
4133
4134
4135 void Tabular::validate(LaTeXFeatures & features) const
4136 {
4137         features.require("NeedTabularnewline");
4138         if (use_booktabs)
4139                 features.require("booktabs");
4140         if (is_long_tabular && !hasVarwidthColumn()) {
4141                 if (tabular_width.zero())
4142                         features.require("longtable");
4143                 else
4144                         features.require("xltabular");
4145         }
4146         if (rotate && is_long_tabular)
4147                 features.require("lscape");
4148         if (needRotating())
4149                 features.require("rotating");
4150         if (hasVarwidthColumn()) {
4151                 if (is_long_tabular)
4152                         features.require("xltabular");
4153                 else
4154                         features.require("tabularx");
4155         }
4156         for (idx_type cell = 0; cell < numberofcells; ++cell) {
4157                 if (isMultiRow(cell))
4158                         features.require("multirow");
4159                 if (getUsebox(cell) == BOX_VARWIDTH)
4160                         features.require("varwidth");
4161                 if (getVAlignment(cell) != LYX_VALIGN_TOP
4162                     || !getPWidth(cell).zero()
4163                     || isVTypeColumn(cellColumn(cell)))
4164                         features.require("array");
4165                 // Tell footnote that we need a savenote
4166                 // environment in non-long tables or
4167                 // longtable headers/footers
4168                 else if (!is_long_tabular && !features.inFloat())
4169                         features.saveNoteEnv("tabular");
4170                 else if (!isValidRow(cellRow(cell)))
4171                         features.saveNoteEnv("longtable");
4172
4173                 cellInset(cell)->validate(features);
4174                 features.saveNoteEnv(string());
4175         }
4176 }
4177
4178
4179 Tabular::BoxType Tabular::useBox(idx_type cell) const
4180 {
4181         ParagraphList const & parlist = cellInset(cell)->paragraphs();
4182         if (parlist.size() > 1)
4183                 return BOX_VARWIDTH;
4184
4185         ParagraphList::const_iterator cit = parlist.begin();
4186         ParagraphList::const_iterator end = parlist.end();
4187
4188         for (; cit != end; ++cit)
4189                 for (int i = 0; i < cit->size(); ++i)
4190                         if (cit->isNewline(i) || cit->layout().isEnvironment())
4191                                 return BOX_VARWIDTH;
4192
4193         return BOX_NONE;
4194 }
4195
4196
4197 /////////////////////////////////////////////////////////////////////
4198 //
4199 // InsetTableCell
4200 //
4201 /////////////////////////////////////////////////////////////////////
4202
4203 InsetTableCell::InsetTableCell(Buffer * buf)
4204         : InsetText(buf, InsetText::PlainLayout), isFixedWidth(false),
4205           isMultiColumn(false), isMultiRow(false), contentAlign(LYX_ALIGN_CENTER)
4206 {}
4207
4208 bool InsetTableCell::forcePlainLayout(idx_type) const
4209 {
4210         return isMultiRow || (isMultiColumn && !isFixedWidth);
4211 }
4212
4213
4214 bool InsetTableCell::allowParagraphCustomization(idx_type) const
4215 {
4216         return isFixedWidth;
4217 }
4218
4219
4220 bool InsetTableCell::forceLocalFontSwitch() const
4221 {
4222         return true;
4223 }
4224
4225
4226 bool InsetTableCell::getStatus(Cursor & cur, FuncRequest const & cmd,
4227         FuncStatus & status) const
4228 {
4229         bool enabled = true;
4230         switch (cmd.action()) {
4231         case LFUN_INSET_DISSOLVE:
4232                 enabled = false;
4233                 break;
4234         case LFUN_MATH_DISPLAY:
4235                 if (!hasFixedWidth()) {
4236                         enabled = false;
4237                         break;
4238                 } //fall-through
4239         default:
4240                 return InsetText::getStatus(cur, cmd, status);
4241         }
4242         status.setEnabled(enabled);
4243         return true;
4244 }
4245
4246 docstring InsetTableCell::asString(bool intoInsets)
4247 {
4248         docstring retval;
4249         if (paragraphs().empty())
4250                 return retval;
4251         ParagraphList::const_iterator it = paragraphs().begin();
4252         ParagraphList::const_iterator en = paragraphs().end();
4253         bool first = true;
4254         for (; it != en; ++it) {
4255                 if (!first)
4256                         retval += "\n";
4257                 else
4258                         first = false;
4259                 retval += it->asString(intoInsets ? AS_STR_INSETS : AS_STR_NONE);
4260         }
4261         return retval;
4262 }
4263
4264
4265 void InsetTableCell::addToToc(DocIterator const & di, bool output_active,
4266                                                           UpdateType utype, TocBackend & backend) const
4267 {
4268         InsetText::iterateForToc(di, output_active, utype, backend);
4269 }
4270
4271
4272 docstring InsetTableCell::xhtml(XMLStream & xs, OutputParams const & rp) const
4273 {
4274         if (!isFixedWidth)
4275                 return InsetText::insetAsXHTML(xs, rp, InsetText::JustText);
4276         return InsetText::xhtml(xs, rp);
4277 }
4278
4279
4280 void InsetTableCell::docbook(XMLStream & xs, OutputParams const & runparams) const
4281 {
4282         InsetText::docbook(xs, runparams);
4283 }
4284
4285
4286 void InsetTableCell::metrics(MetricsInfo & mi, Dimension & dim) const
4287 {
4288         TextMetrics & tm = mi.base.bv->textMetrics(&text());
4289         int const horiz_offset = leftOffset(mi.base.bv) + rightOffset(mi.base.bv);
4290
4291         // Hand font through to contained lyxtext:
4292         tm.font_.fontInfo() = mi.base.font;
4293         mi.base.textwidth -= horiz_offset;
4294
4295         // This can happen when a layout has a left and right margin,
4296         // and the view is made very narrow. We can't do better than
4297         // to draw it partly out of view (bug 5890).
4298         if (mi.base.textwidth < 1)
4299                 mi.base.textwidth = 1;
4300
4301         // We tell metrics here not to expand on multiple pars
4302         // This is the difference to InsetText::Metrics
4303         if (hasFixedWidth())
4304                 tm.metrics(mi, dim, mi.base.textwidth, false);
4305         else
4306                 tm.metrics(mi, dim, 0, false);
4307         mi.base.textwidth += horiz_offset;
4308         dim.asc += topOffset(mi.base.bv);
4309         dim.des += bottomOffset(mi.base.bv);
4310         dim.wid += horiz_offset;
4311 }
4312
4313
4314 /////////////////////////////////////////////////////////////////////
4315 //
4316 // InsetTabular
4317 //
4318 /////////////////////////////////////////////////////////////////////
4319
4320 InsetTabular::InsetTabular(Buffer * buf, row_type rows,
4321                            col_type columns)
4322         : Inset(buf), tabular(buf, max(rows, row_type(1)), max(columns, col_type(1))),
4323           rowselect_(false), colselect_(false)
4324 {
4325 }
4326
4327
4328 InsetTabular::InsetTabular(InsetTabular const & tab)
4329         : Inset(tab), tabular(tab.tabular),
4330           rowselect_(false), colselect_(false)
4331 {
4332 }
4333
4334
4335 InsetTabular::~InsetTabular()
4336 {
4337         hideDialogs("tabular", this);
4338 }
4339
4340
4341 void InsetTabular::setBuffer(Buffer & buf)
4342 {
4343         tabular.setBuffer(buf);
4344         Inset::setBuffer(buf);
4345 }
4346
4347
4348 bool InsetTabular::insetAllowed(InsetCode code) const
4349 {
4350         switch (code) {
4351         case FLOAT_CODE:
4352         case MARGIN_CODE:
4353         case MATHMACRO_CODE:
4354         case WRAP_CODE:
4355                 return false;
4356
4357         case CAPTION_CODE:
4358                 return tabular.is_long_tabular;
4359
4360         default:
4361                 return true;
4362         }
4363 }
4364
4365
4366 bool InsetTabular::allowMultiPar() const
4367 {
4368         for (Tabular::col_type c = 0; c < tabular.ncols(); ++c) {
4369                 for (Tabular::row_type r = 0; r < tabular.nrows(); ++r) {
4370                         if (tabular.cellInset(r,c)->allowMultiPar())
4371                                 return true;
4372                 }
4373         }
4374         return false;
4375 }
4376
4377
4378 bool InsetTabular::allowsCaptionVariation(std::string const & newtype) const
4379 {
4380         return tabular.is_long_tabular &&
4381                 (newtype == "Standard" || newtype == "Unnumbered");
4382 }
4383
4384
4385 void InsetTabular::write(ostream & os) const
4386 {
4387         os << "Tabular" << endl;
4388         tabular.write(os);
4389 }
4390
4391
4392 string InsetTabular::contextMenu(BufferView const &, int, int) const
4393 {
4394         // FIXME: depending on the selection state,
4395         // we could offer a different menu.
4396         return cell(0)->contextMenuName() + ";" + contextMenuName();
4397 }
4398
4399
4400 string InsetTabular::contextMenuName() const
4401 {
4402         return "context-tabular";
4403 }
4404
4405
4406 void InsetTabular::read(Lexer & lex)
4407 {
4408         //bool const old_format = (lex.getString() == "\\LyXTable");
4409
4410         tabular.read(lex);
4411
4412         //if (old_format)
4413         //      return;
4414
4415         lex.next();
4416         string token = lex.getString();
4417         while (lex && token != "\\end_inset") {
4418                 lex.next();
4419                 token = lex.getString();
4420         }
4421         if (!lex)
4422                 lex.printError("Missing \\end_inset at this point. ");
4423 }
4424
4425
4426 int InsetTabular::rowFromY(Cursor & cur, int y) const
4427 {
4428         // top y coordinate of tabular
4429         int h = yo(cur.bv()) - tabular.rowAscent(0) + tabular.offsetVAlignment();
4430         row_type r = 0;
4431         for (; r < tabular.nrows() && y > h; ++r)
4432                 h += tabular.rowAscent(r) + tabular.rowDescent(r)
4433                         + tabular.interRowSpace(r);
4434
4435         return r - 1;
4436 }
4437
4438
4439 int InsetTabular::columnFromX(Cursor & cur, int x) const
4440 {
4441         // left x coordinate of tabular
4442         int w = xo(cur.bv()) + ADD_TO_TABULAR_WIDTH;
4443         col_type c = 0;
4444         for (; c < tabular.ncols() && x > w; ++c)
4445                 w += tabular.cellWidth(c);
4446         return c - 1;
4447 }
4448
4449
4450 void InsetTabular::metrics(MetricsInfo & mi, Dimension & dim) const
4451 {
4452         //lyxerr << "InsetTabular::metrics: " << mi.base.bv << " width: " <<
4453         //      mi.base.textwidth << "\n";
4454         LBUFERR(mi.base.bv);
4455
4456         for (row_type r = 0; r < tabular.nrows(); ++r) {
4457                 int maxasc = 0;
4458                 int maxdes = 0;
4459                 for (col_type c = 0; c < tabular.ncols(); ++c) {
4460                         if (tabular.isPartOfMultiColumn(r, c)
4461                                 || tabular.isPartOfMultiRow(r, c))
4462                                 // multicolumn or multirow cell, but not first one
4463                                 continue;
4464                         idx_type const cell = tabular.cellIndex(r, c);
4465                         Dimension dim0;
4466                         MetricsInfo m = mi;
4467                         Length const p_width = tabular.getPWidth(cell);
4468                         if (!p_width.zero())
4469                                 m.base.textwidth = mi.base.inPixels(p_width);
4470                         else if (tabular.column_info[c].varwidth)
4471                                 m.base.textwidth = tabular.column_info[c].width;
4472                         tabular.cellInset(cell)->metrics(m, dim0);
4473                         if (!p_width.zero() || tabular.column_info[c].varwidth)
4474                                 dim0.wid = m.base.textwidth;
4475                         tabular.cellInfo(cell).width = dim0.wid + 2 * WIDTH_OF_LINE
4476                                 + tabular.interColumnSpace(cell);
4477
4478                         // FIXME(?): do we need a second metrics call?
4479                         TextMetrics const & tm =
4480                                 mi.base.bv->textMetrics(tabular.cellInset(cell)->getText(0));
4481
4482                         // determine horizontal offset because of decimal align (if necessary)
4483                         int decimal_width = 0;
4484                         if (tabular.getAlignment(cell) == LYX_ALIGN_DECIMAL) {
4485                                 InsetTableCell tail = InsetTableCell(*tabular.cellInset(cell));
4486                                 tail.setBuffer(tabular.buffer());
4487                                 // we need to set macrocontext position everywhere
4488                                 // otherwise we crash with nested insets (e.g. footnotes)
4489                                 // after decimal point
4490                                 DocIterator dit = tabular.cellInset(cell)->getText(0)->macrocontextPosition();
4491                                 dit.pop_back();
4492                                 dit.push_back(CursorSlice(tail));
4493                                 tail.setMacrocontextPositionRecursive(dit);
4494
4495                                 // remove text leading decimal point
4496                                 docstring const align_d = tabular.column_info[c].decimal_point;
4497                                 dit = separatorPos(&tail, align_d);
4498
4499                                 pos_type const psize = tail.paragraphs().front().size();
4500                                 if (dit) {
4501                                         tail.paragraphs().front().eraseChars(0,
4502                                                 dit.pos() < psize ? dit.pos() + 1 : psize, false);
4503                                         Dimension dim1;
4504                                         tail.metrics(m, dim1);
4505                                         decimal_width = dim1.width();
4506                                 }
4507                         }
4508                         tabular.cell_info[r][c].decimal_hoffset = tm.width() - decimal_width;
4509                         tabular.cell_info[r][c].decimal_width = decimal_width;
4510
4511                         // with LYX_VALIGN_BOTTOM the descent is relative to the last par
4512                         // = descent of text in last par + bottomOffset:
4513                         int const lastpardes = tm.last().second->descent()
4514                                 + bottomOffset(mi.base.bv);
4515                         int offset = 0;
4516                         switch (tabular.getVAlignment(cell)) {
4517                                 case Tabular::LYX_VALIGN_TOP:
4518                                         break;
4519                                 case Tabular::LYX_VALIGN_MIDDLE:
4520                                         offset = -(dim0.des - lastpardes)/2;
4521                                         break;
4522                                 case Tabular::LYX_VALIGN_BOTTOM:
4523                                         offset = -(dim0.des - lastpardes);
4524                                         break;
4525                         }
4526                         tabular.cell_info[r][c].voffset = offset;
4527                         maxasc = max(maxasc, dim0.asc - offset);
4528                         maxdes = max(maxdes, dim0.des + offset);
4529                 }
4530                 int const top_space = tabular.row_info[r].top_space_default ?
4531                     default_line_space :
4532                     mi.base.inPixels(tabular.row_info[r].top_space);
4533                 tabular.setRowAscent(r, maxasc + ADD_TO_HEIGHT + top_space);
4534                 int const bottom_space = tabular.row_info[r].bottom_space_default ?
4535                     default_line_space :
4536                     mi.base.inPixels(tabular.row_info[r].bottom_space);
4537                 tabular.setRowDescent(r, maxdes + ADD_TO_HEIGHT + bottom_space);
4538         }
4539
4540         // We need to recalculate the metrics after column width calculation
4541         // with xtabular (possibly multiple times, so the call is recursive).
4542         if (tabular.updateColumnWidths(mi) && tabular.hasVarwidthColumn())
4543                 metrics(mi, dim);
4544         dim.asc = tabular.rowAscent(0) - tabular.offsetVAlignment();
4545         dim.des = tabular.height() - dim.asc;
4546         dim.wid = tabular.width() + 2 * ADD_TO_TABULAR_WIDTH;
4547 }
4548
4549
4550 bool InsetTabular::isCellSelected(Cursor & cur, row_type row, col_type col) const
4551 {
4552         if (&cur.inset() == this && cur.selection()) {
4553                 if (cur.selIsMultiCell()) {
4554                         row_type rs, re;
4555                         col_type cs, ce;
4556                         getSelection(cur, rs, re, cs, ce);
4557
4558                         idx_type const cell = tabular.cellIndex(row, col);
4559                         col_type const cspan = tabular.columnSpan(cell);
4560                         row_type const rspan = tabular.rowSpan(cell);
4561                         if (col + cspan - 1 >= cs && col <= ce
4562                                 && row + rspan - 1 >= rs && row <= re)
4563                                 return true;
4564                 } else
4565                         if (col == tabular.cellColumn(cur.idx())
4566                                 && row == tabular.cellRow(cur.idx())) {
4567                         CursorSlice const & beg = cur.selBegin();
4568                         CursorSlice const & end = cur.selEnd();
4569
4570                         if ((end.lastpos() > 0 || end.lastpit() > 0)
4571                                   && end.pos() == end.lastpos() && beg.pos() == 0
4572                                   && end.pit() == end.lastpit() && beg.pit() == 0)
4573                                 return true;
4574                 }
4575         }
4576         return false;
4577 }
4578
4579
4580 void InsetTabular::draw(PainterInfo & pi, int x, int y) const
4581 {
4582         x += ADD_TO_TABULAR_WIDTH;
4583
4584         BufferView * bv = pi.base.bv;
4585         Cursor & cur = pi.base.bv->cursor();
4586
4587         // FIXME: As the full background is painted in drawBackground(),
4588         // we have no choice but to do a full repaint for the Text cells.
4589         pi.full_repaint = true;
4590
4591         bool const original_selection_state = pi.selected;
4592
4593         idx_type idx = 0;
4594
4595         // Save tabular change status
4596         Change tab_change = pi.change;
4597
4598         int yy = y + tabular.offsetVAlignment();
4599         for (row_type r = 0; r < tabular.nrows(); ++r) {
4600                 int nx = x;
4601                 for (col_type c = 0; c < tabular.ncols(); ++c) {
4602                         if (tabular.isPartOfMultiColumn(r, c))
4603                                 continue;
4604
4605                         idx = tabular.cellIndex(r, c);
4606
4607                         if (tabular.isPartOfMultiRow(r, c)) {
4608                                 nx += tabular.cellWidth(idx);
4609                                 continue;
4610                         }
4611
4612                         pi.selected |= isCellSelected(cur, r, c);
4613
4614                         // Mark deleted rows/columns
4615                         if (tabular.column_info[c].change.changed())
4616                                 pi.change = tabular.column_info[c].change;
4617                         else if (tabular.row_info[r].change.changed())
4618                                 pi.change = tabular.row_info[r].change;
4619                         else
4620                                 pi.change = tab_change;
4621
4622                         int const cx = nx + tabular.textHOffset(idx);
4623                         int const cy = yy + tabular.textVOffset(idx);
4624                         // Cache the Inset position.
4625                         bv->coordCache().insets().add(cell(idx).get(), cx, cy);
4626                         cell(idx)->draw(pi, cx, cy);
4627                         drawCellLines(pi, nx, yy, r, idx);
4628                         nx += tabular.cellWidth(idx);
4629                         pi.selected = original_selection_state;
4630                 }
4631
4632                 if (r + 1 < tabular.nrows())
4633                         yy += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
4634                                 + tabular.interRowSpace(r + 1);
4635         }
4636 }
4637
4638
4639 void InsetTabular::drawBackground(PainterInfo & pi, int x, int y) const
4640 {
4641         x += ADD_TO_TABULAR_WIDTH;
4642         y += tabular.offsetVAlignment() - tabular.rowAscent(0);
4643         pi.pain.fillRectangle(x, y, tabular.width(), tabular.height(),
4644                 pi.backgroundColor(this));
4645 }
4646
4647
4648 void InsetTabular::drawSelection(PainterInfo & pi, int x, int y) const
4649 {
4650         Cursor & cur = pi.base.bv->cursor();
4651
4652         x += ADD_TO_TABULAR_WIDTH;
4653
4654         if (!cur.selection())
4655                 return;
4656         if (&cur.inset() != this)
4657                 return;
4658
4659         //resetPos(cur);
4660
4661         bool const full_cell_selected = isCellSelected(cur,
4662                 tabular.cellRow(cur.idx()), tabular.cellColumn(cur.idx()));
4663
4664         if (cur.selIsMultiCell() || full_cell_selected) {
4665                 for (row_type r = 0; r < tabular.nrows(); ++r) {
4666                         int xx = x;
4667                         for (col_type c = 0; c < tabular.ncols(); ++c) {
4668                                 if (tabular.isPartOfMultiColumn(r, c))
4669                                         continue;
4670
4671                                 idx_type const cell = tabular.cellIndex(r, c);
4672
4673                                 if (tabular.isPartOfMultiRow(r, c)) {
4674                                         xx += tabular.cellWidth(cell);
4675                                         continue;
4676                                 }
4677                                 int const w = tabular.cellWidth(cell);
4678                                 int const h = tabular.cellHeight(cell);
4679                                 int const yy = y - tabular.rowAscent(r) + tabular.offsetVAlignment();
4680                                 if (isCellSelected(cur, r, c))
4681                                         pi.pain.fillRectangle(xx, yy, w, h, Color_selection);
4682                                 xx += w;
4683                         }
4684                         if (r + 1 < tabular.nrows())
4685                                 y += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
4686                                      + tabular.interRowSpace(r + 1);
4687                 }
4688
4689         }
4690         // FIXME: This code has no effect because InsetTableCell does not handle
4691         // drawSelection other than the trivial implementation in Inset.
4692         //else {
4693         //      x += cellXPos(cur.idx());
4694         //      x += tabular.textHOffset(cur.idx());
4695         //      cell(cur.idx())->drawSelection(pi, x, 0 /* ignored */);
4696         //}
4697 }
4698
4699
4700 namespace {
4701
4702 void tabline(PainterInfo const & pi, int x1, int y1, int x2, int y2, int lt, int rt,
4703              Color const incol, bool drawline, bool heavy = false)
4704 {
4705         Color const col = drawline ? incol : Color_tabularonoffline;
4706         if (drawline && lt > 0)
4707                 pi.pain.line(x1, y1, x1 + lt, y2, pi.textColor(Color_tabularonoffline),
4708                                          Painter::line_onoffdash,
4709                                          Painter::thin_line);
4710         pi.pain.line(x1 + lt, y1, x2 - rt, y2, pi.textColor(col),
4711                                  drawline ? Painter::line_solid : Painter::line_onoffdash,
4712                                  (heavy ? 2 : 1) * Painter::thin_line);
4713         if (drawline && rt > 0)
4714                 pi.pain.line(x2 - rt, y1, x2, y2, pi.textColor(Color_tabularonoffline),
4715                                          Painter::line_onoffdash,
4716                                          Painter::thin_line);
4717 }
4718
4719 }
4720
4721
4722 void InsetTabular::drawCellLines(PainterInfo & pi, int x, int y,
4723                                  row_type row, idx_type cell) const
4724 {
4725         y -= tabular.rowAscent(row);
4726         int const w = tabular.cellWidth(cell);
4727         int const h = tabular.cellHeight(cell);
4728         int lt = 0;
4729         int rt = 0;
4730
4731         col_type const col = tabular.cellColumn(cell);
4732
4733         // Colour the frame if rows/columns are added or deleted
4734         Color colour = Color_tabularline;
4735         if (tabular.column_info[col].change.changed()
4736             || tabular.row_info[row].change.changed())
4737                 colour = InsetTableCell(*tabular.cellInset(cell)).paragraphs().front().lookupChange(0).color();
4738
4739         // Top
4740         bool drawline = tabular.topLine(cell)
4741                 || (row > 0 && tabular.bottomLine(tabular.cellAbove(cell)));
4742         bool heavy = tabular.use_booktabs
4743                         && (row == 0 || (tabular.is_long_tabular && row == 1 && tabular.ltCaption(0)))
4744                         && tabular.rowTopLine(row);
4745         if (tabular.topLineTrim(cell).first
4746             || (row > 0 && tabular.bottomLineTrim(tabular.cellIndex(row - 1, col)).first))
4747                 lt = 10;
4748         if (tabular.topLineTrim(cell).second
4749             || (row > 0 && tabular.bottomLineTrim(tabular.cellIndex(row - 1, col)).second))
4750                 rt = 10;
4751         tabline(pi, x, y, x + w, y, lt, rt, colour, drawline, heavy);
4752
4753         // Bottom
4754         lt = rt = 0;
4755         drawline = tabular.bottomLine(cell);
4756         row_type const lastrow = tabular.nrows() - 1;
4757         // Consider multi-rows
4758         row_type r = row;
4759         while (r < lastrow && tabular.isMultiRow(tabular.cellIndex(r, col))
4760                 && tabular.isPartOfMultiRow(r + 1, col))
4761                 r++;
4762         heavy = tabular.use_booktabs
4763                 && ((row == lastrow && tabular.rowBottomLine(row))
4764                     || (r == lastrow && tabular.rowBottomLine(r)));
4765         if (tabular.bottomLineTrim(cell).first)
4766                 lt = 10;
4767         if (tabular.bottomLineTrim(cell).second)
4768                 rt = 10;
4769         tabline(pi, x, y + h, x + w, y + h, lt, rt, colour, drawline, heavy);
4770
4771         // Left
4772         drawline = tabular.leftLine(cell)
4773                 || (col > 0 && tabular.rightLine(tabular.cellIndex(row, col - 1)));
4774         tabline(pi, x, y, x, y + h, 0, 0, colour, drawline);
4775
4776         // Right
4777         x -= tabular.interColumnSpace(cell);
4778         col_type next_cell_col = col + 1;
4779         while (next_cell_col < tabular.ncols()
4780                 && tabular.isMultiColumn(tabular.cellIndex(row, next_cell_col)))
4781                 next_cell_col++;
4782         drawline = tabular.rightLine(cell)
4783                    || (next_cell_col < tabular.ncols()
4784                        && tabular.leftLine(tabular.cellIndex(row, next_cell_col)));
4785         tabline(pi, x + w, y, x + w, y + h, 0, 0, colour, drawline);
4786 }
4787
4788
4789 void InsetTabular::edit(Cursor & cur, bool front, EntryDirection)
4790 {
4791         //lyxerr << "InsetTabular::edit: " << this << endl;
4792         cur.finishUndo();
4793         cur.push(*this);
4794         if (front) {
4795                 if (isRightToLeft(cur))
4796                         cur.idx() = tabular.getLastCellInRow(0);
4797                 else
4798                         cur.idx() = 0;
4799                 cur.pit() = 0;
4800                 cur.pos() = 0;
4801         } else {
4802                 if (isRightToLeft(cur))
4803                         cur.idx() = tabular.getFirstCellInRow(tabular.nrows() - 1);
4804                 else
4805                         cur.idx() = tabular.numberofcells - 1;
4806                 cur.pit() = 0;
4807                 cur.pos() = cur.lastpos(); // FIXME crude guess
4808         }
4809         cur.setCurrentFont();
4810         // FIXME: this accesses the position cache before it is initialized
4811         //cur.bv().fitCursor();
4812 }
4813
4814
4815 void InsetTabular::updateBuffer(ParIterator const & it, UpdateType utype, bool const /*deleted*/)
4816 {
4817         // In a longtable, tell captions what the current float is
4818         Counters & cnts = buffer().masterBuffer()->params().documentClass().counters();
4819         string const saveflt = cnts.current_float();
4820         if (tabular.is_long_tabular) {
4821                 cnts.current_float("table");
4822                 // in longtables, we only step the counter once
4823                 cnts.step(from_ascii("table"), utype);
4824                 cnts.isLongtable(true);
4825         }
4826
4827         ParIterator it2 = it;
4828         it2.forwardPos();
4829         size_t const end = it2.nargs();
4830         for ( ; it2.idx() < end; it2.top().forwardIdx())
4831                 buffer().updateBuffer(it2, utype);
4832
4833         //reset afterwards
4834         if (tabular.is_long_tabular) {
4835                 cnts.current_float(saveflt);
4836                 cnts.isLongtable(false);
4837         }
4838 }
4839
4840
4841 void InsetTabular::addToToc(DocIterator const & cpit, bool output_active,
4842                                                         UpdateType utype, TocBackend & backend) const
4843 {
4844         DocIterator dit = cpit;
4845         dit.forwardPos();
4846         size_t const end = dit.nargs();
4847         for ( ; dit.idx() < end; dit.top().forwardIdx())
4848                 cell(dit.idx())->addToToc(dit, output_active, utype, backend);
4849 }
4850
4851
4852 bool InsetTabular::hitSelectRow(BufferView const & bv, int x) const
4853 {
4854         int const x0 = xo(bv) + ADD_TO_TABULAR_WIDTH;
4855         return x < x0 || x > x0 + tabular.width();
4856 }
4857
4858
4859 bool InsetTabular::hitSelectColumn(BufferView const & bv, int y) const
4860 {
4861         int const y0 = yo(bv) - tabular.rowAscent(0) + tabular.offsetVAlignment();
4862         // FIXME: using ADD_TO_TABULAR_WIDTH is not really correct since
4863         // there is no margin added vertically to tabular insets.
4864         // However, it works for now.
4865         return y < y0 + ADD_TO_TABULAR_WIDTH || y > y0 + tabular.height() - ADD_TO_TABULAR_WIDTH;
4866 }
4867
4868
4869 bool InsetTabular::clickable(BufferView const & bv, int x, int y) const
4870 {
4871         return hitSelectRow(bv, x) || hitSelectColumn(bv, y);
4872 }
4873
4874
4875 void InsetTabular::doDispatch(Cursor & cur, FuncRequest & cmd)
4876 {
4877         LYXERR(Debug::DEBUG, "# InsetTabular::doDispatch: cmd: " << cmd
4878                              << "\n  cur:" << cur);
4879         CursorSlice sl = cur.top();
4880         Cursor & bvcur = cur.bv().cursor();
4881
4882         FuncCode const act = cmd.action();
4883
4884         switch (act) {
4885
4886         case LFUN_MOUSE_PRESS: {
4887                 //lyxerr << "# InsetTabular::MousePress\n" << cur.bv().cursor() << endl;
4888                 // select row
4889                 if (hitSelectRow(cur.bv(), cmd.x())) {
4890                         row_type r = rowFromY(cur, cmd.y());
4891                         cur.idx() = tabular.getFirstCellInRow(r);
4892                         cur.pit() = 0;
4893                         cur.pos() = 0;
4894                         cur.resetAnchor();
4895                         cur.idx() = tabular.getLastCellInRow(r);
4896                         cur.pit() = cur.lastpit();
4897                         cur.pos() = cur.lastpos();
4898                         cur.selection(true);
4899                         bvcur = cur;
4900                         rowselect_ = true;
4901                         break;
4902                 }
4903                 // select column
4904                 if (hitSelectColumn(cur.bv(), cmd.y())) {
4905                         col_type c = columnFromX(cur, cmd.x());
4906                         cur.idx() = tabular.cellIndex(0, c);
4907                         cur.pit() = 0;
4908                         cur.pos() = 0;
4909                         cur.resetAnchor();
4910                         cur.idx() = tabular.cellIndex(tabular.nrows() - 1, c);
4911                         cur.pit() = cur.lastpit();
4912                         cur.pos() = cur.lastpos();
4913                         cur.selection(true);
4914                         bvcur = cur;
4915                         colselect_ = true;
4916                         break;
4917                 }
4918                 // do not reset cursor/selection if we have selected
4919                 // some cells (bug 2715).
4920                 if (cmd.button() == mouse_button::button3
4921                     && &bvcur.selBegin().inset() == this
4922                     && bvcur.selIsMultiCell())
4923                         ;
4924                 else
4925                         // Let InsetTableCell do it
4926                         cell(cur.idx())->dispatch(cur, cmd);
4927                 break;
4928         }
4929         case LFUN_MOUSE_MOTION:
4930                 //lyxerr << "# InsetTabular::MouseMotion\n" << bvcur << endl;
4931                 if (cmd.button() == mouse_button::button1) {
4932                         // only accept motions to places not deeper nested than the real anchor
4933                         if (!bvcur.realAnchor().hasPart(cur)) {
4934                                 cur.undispatched();
4935                                 break;
4936                         }
4937                         // select (additional) row
4938                         if (rowselect_) {
4939                                 row_type r = rowFromY(cur, cmd.y());
4940                                 cur.idx() = tabular.getLastCellInRow(r);
4941                                 // we need to reset the cursor's pit and pos now, as the old ones
4942                                 // may no longer be valid.
4943                                 cur.pit() = 0;
4944                                 cur.pos() = 0;
4945                                 bvcur.setCursor(cur);
4946                                 bvcur.selection(true);
4947                                 break;
4948                         }
4949                         // select (additional) column
4950                         if (colselect_) {
4951                                 col_type c = columnFromX(cur, cmd.x());
4952                                 cur.idx() = tabular.cellIndex(tabular.nrows() - 1, c);
4953                                 // we need to reset the cursor's pit and pos now, as the old ones
4954                                 // may no longer be valid.
4955                                 cur.pit() = 0;
4956                                 cur.pos() = 0;
4957                                 bvcur.setCursor(cur);
4958                                 bvcur.selection(true);
4959                                 break;
4960                         }
4961                         // only update if selection changes
4962                         if (bvcur.idx() == cur.idx() &&
4963                                 !(bvcur.realAnchor().idx() == cur.idx() && bvcur.pos() != cur.pos()))
4964                                 cur.noScreenUpdate();
4965                         setCursorFromCoordinates(cur, cmd.x(), cmd.y());
4966                         bvcur.setCursor(cur);
4967                         bvcur.selection(true);
4968                         // if this is a multicell selection, we just set the cursor to
4969                         // the beginning of the cell's text.
4970                         if (bvcur.selIsMultiCell()) {
4971                                 bvcur.pit() = bvcur.lastpit();
4972                                 bvcur.pos() = bvcur.lastpos();
4973                         }
4974                 }
4975                 break;
4976
4977         case LFUN_MOUSE_RELEASE:
4978                 rowselect_ = false;
4979                 colselect_ = false;
4980                 break;
4981
4982         case LFUN_CELL_BACKWARD:
4983                 movePrevCell(cur);
4984                 cur.selection(false);
4985                 break;
4986
4987         case LFUN_CELL_FORWARD:
4988                 moveNextCell(cur);
4989                 cur.selection(false);
4990                 break;
4991
4992         case LFUN_CHAR_FORWARD_SELECT:
4993         case LFUN_CHAR_FORWARD:
4994         case LFUN_CHAR_BACKWARD_SELECT:
4995         case LFUN_CHAR_BACKWARD:
4996         case LFUN_CHAR_RIGHT_SELECT:
4997         case LFUN_CHAR_RIGHT:
4998         case LFUN_CHAR_LEFT_SELECT:
4999         case LFUN_CHAR_LEFT:
5000         case LFUN_WORD_FORWARD:
5001         case LFUN_WORD_FORWARD_SELECT:
5002         case LFUN_WORD_BACKWARD:
5003         case LFUN_WORD_BACKWARD_SELECT:
5004         case LFUN_WORD_RIGHT:
5005         case LFUN_WORD_RIGHT_SELECT:
5006         case LFUN_WORD_LEFT:
5007         case LFUN_WORD_LEFT_SELECT: {
5008                 // determine whether we move to next or previous cell, where to enter
5009                 // the new cell from, and which command to "finish" (i.e., exit the
5010                 // inset) with:
5011                 bool next_cell;
5012                 EntryDirection entry_from = ENTRY_DIRECTION_IGNORE;
5013                 FuncCode finish_lfun;
5014
5015                 if (act == LFUN_CHAR_FORWARD
5016                                 || act == LFUN_CHAR_FORWARD_SELECT
5017                                 || act == LFUN_WORD_FORWARD
5018                                 || act == LFUN_WORD_FORWARD_SELECT) {
5019                         next_cell = true;
5020                         finish_lfun = LFUN_FINISHED_FORWARD;
5021                 }
5022                 else if (act == LFUN_CHAR_BACKWARD
5023                                 || act == LFUN_CHAR_BACKWARD_SELECT
5024                                 || act == LFUN_WORD_BACKWARD
5025                                 || act == LFUN_WORD_BACKWARD_SELECT) {
5026                         next_cell = false;
5027                         finish_lfun = LFUN_FINISHED_BACKWARD;
5028                 }
5029                 // LEFT or RIGHT commands --- the interpretation will depend on the
5030                 // table's direction.
5031                 else {
5032                         bool const right = act == LFUN_CHAR_RIGHT
5033                                 || act == LFUN_CHAR_RIGHT_SELECT
5034                                 || act == LFUN_WORD_RIGHT
5035                                 || act == LFUN_WORD_RIGHT_SELECT;
5036                         next_cell = isRightToLeft(cur) != right;
5037
5038                         if (lyxrc.visual_cursor)
5039                                 entry_from = right ? ENTRY_DIRECTION_LEFT:ENTRY_DIRECTION_RIGHT;
5040
5041                         finish_lfun = right ? LFUN_FINISHED_RIGHT : LFUN_FINISHED_LEFT;
5042                 }
5043
5044                 bool const select =     act == LFUN_CHAR_FORWARD_SELECT
5045                     || act == LFUN_CHAR_BACKWARD_SELECT
5046                     || act == LFUN_CHAR_RIGHT_SELECT
5047                     || act == LFUN_CHAR_LEFT_SELECT
5048                         || act == LFUN_WORD_FORWARD_SELECT
5049                         || act == LFUN_WORD_RIGHT_SELECT
5050                         || act == LFUN_WORD_BACKWARD_SELECT
5051                         || act == LFUN_WORD_LEFT_SELECT;
5052
5053                 // If we have a multicell selection or we're
5054                 // not doing some LFUN_*_SELECT thing anyway...
5055                 if (!cur.selIsMultiCell() || !select) {
5056                         col_type const c = tabular.cellColumn(cur.idx());
5057                         row_type const r = tabular.cellRow(cur.idx());
5058                         // Are we trying to select the whole cell and is the whole cell
5059                         // not yet selected?
5060                         bool const select_whole = select && !isCellSelected(cur, r, c) &&
5061                                 ((next_cell && cur.pit() == cur.lastpit()
5062                                 && cur.pos() == cur.lastpos())
5063                                 || (!next_cell && cur.pit() == 0 && cur.pos() == 0));
5064
5065                         bool const empty_cell = cur.lastpos() == 0 && cur.lastpit() == 0;
5066
5067                         // ...try to dispatch to the cell's inset.
5068                         cell(cur.idx())->dispatch(cur, cmd);
5069
5070                         // When we already have a selection we want to select the whole cell
5071                         // before going to the next cell.
5072                         if (select_whole && !empty_cell){
5073                                 getText(cur.idx())->selectAll(cur);
5074                                 cur.dispatched();
5075                                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5076                                 break;
5077                         }
5078
5079                         // FIXME: When we support the selection of an empty cell, remove
5080                         // the !empty_cell from this condition. For now we jump to the next
5081                         // cell if the current cell is empty.
5082                         if (cur.result().dispatched() && !empty_cell)
5083                                 break;
5084                 }
5085
5086                 // move to next/prev cell, as appropriate
5087                 // note that we will always do this if we're selecting and we have
5088                 // a multicell selection
5089                 LYXERR(Debug::RTL, "entering " << (next_cell ? "next" : "previous")
5090                         << " cell from: " << int(entry_from));
5091                 if (next_cell)
5092                         moveNextCell(cur, entry_from);
5093                 else
5094                         movePrevCell(cur, entry_from);
5095                 // if we're exiting the table, call the appropriate FINISHED lfun
5096                 if (sl == cur.top()) {
5097                         cmd = FuncRequest(finish_lfun);
5098                         cur.undispatched();
5099                 } else
5100                         cur.dispatched();
5101
5102                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5103                 break;
5104
5105         }
5106
5107         case LFUN_DOWN_SELECT:
5108         case LFUN_DOWN:
5109                 if (!(cur.selection() && cur.selIsMultiCell()))
5110                         cell(cur.idx())->dispatch(cur, cmd);
5111
5112                 cur.dispatched(); // override the cell's decision
5113                 if (sl == cur.top()) {
5114                         // if our Text didn't do anything to the cursor
5115                         // then we try to put the cursor into the cell below
5116                         // setting also the right targetX.
5117                         cur.selHandle(act == LFUN_DOWN_SELECT);
5118                         if (tabular.cellRow(cur.idx()) != tabular.nrows() - 1) {
5119                                 int const xtarget = cur.targetX();
5120                                 // WARNING: Once cur.idx() has been reset, the cursor is in
5121                                 // an inconsistent state until pos() has been set. Be careful
5122                                 // what you do with it!
5123                                 cur.idx() = tabular.cellBelow(cur.idx());
5124                                 cur.pit() = 0;
5125                                 TextMetrics const & tm =
5126                                         cur.bv().textMetrics(cell(cur.idx())->getText(0));
5127                                 cur.pos() = tm.x2pos(cur.pit(), 0, xtarget);
5128                                 cur.setCurrentFont();
5129                         }
5130                 }
5131                 if (sl == cur.top()) {
5132                         // we trick it to go to forward after leaving the
5133                         // tabular.
5134                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
5135                         cur.undispatched();
5136                 }
5137                 if (cur.selIsMultiCell()) {
5138                         cur.pit() = cur.lastpit();
5139                         cur.pos() = cur.lastpos();
5140                         cur.setCurrentFont();
5141                         cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5142                         return;
5143                 }
5144                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5145                 break;
5146
5147         case LFUN_UP_SELECT:
5148         case LFUN_UP:
5149                 if (!(cur.selection() && cur.selIsMultiCell()))
5150                         cell(cur.idx())->dispatch(cur, cmd);
5151                 cur.dispatched(); // override the cell's decision
5152                 if (sl == cur.top()) {
5153                         // if our Text didn't do anything to the cursor
5154                         // then we try to put the cursor into the cell above
5155                         // setting also the right targetX.
5156                         cur.selHandle(act == LFUN_UP_SELECT);
5157                         if (tabular.cellRow(cur.idx()) != 0) {
5158                                 int const xtarget = cur.targetX();
5159                                 // WARNING: Once cur.idx() has been reset, the cursor is in
5160                                 // an inconsistent state until pos() has been set. Be careful
5161                                 // what you do with it!
5162                                 cur.idx() = tabular.cellAbove(cur.idx());
5163                                 cur.pit() = cur.lastpit();
5164                                 Text const * text = cell(cur.idx())->getText(0);
5165                                 TextMetrics const & tm = cur.bv().textMetrics(text);
5166                                 ParagraphMetrics const & pm =
5167                                         tm.parMetrics(cur.lastpit());
5168                                 cur.pos() = tm.x2pos(cur.pit(), pm.rows().size()-1, xtarget);
5169                                 cur.setCurrentFont();
5170                         }
5171                 }
5172                 if (sl == cur.top()) {
5173                         cmd = FuncRequest(LFUN_UP);
5174                         cur.undispatched();
5175                 }
5176                 if (cur.selIsMultiCell()) {
5177                         cur.pit() = 0;
5178                         cur.pos() = cur.lastpos();
5179                         cur.setCurrentFont();
5180                         cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5181                         return;
5182                 }
5183                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
5184                 break;
5185
5186         case LFUN_LAYOUT_TABULAR:
5187                 cur.bv().showDialog("tabular");
5188                 break;
5189
5190         case LFUN_INSET_MODIFY:
5191                 // we come from the dialog
5192                 if (cmd.getArg(0) == "tabular")
5193                         tabularFeatures(cur, cmd.getLongArg(1));
5194                 else
5195                         cur.undispatched();
5196                 break;
5197
5198         case LFUN_TABULAR_FEATURE:
5199                 tabularFeatures(cur, to_utf8(cmd.argument()));
5200                 break;
5201
5202         // insert file functions
5203         case LFUN_FILE_INSERT_PLAINTEXT_PARA:
5204         case LFUN_FILE_INSERT_PLAINTEXT:
5205                 // FIXME UNICODE
5206                 if (FileName::isAbsolute(to_utf8(cmd.argument()))) {
5207                         docstring const tmpstr = cur.bv().contentsOfPlaintextFile(
5208                                 FileName(to_utf8(cmd.argument())));
5209                         if (tmpstr.empty())
5210                                 break;
5211                         cur.recordUndoInset();
5212                         if (insertPlaintextString(cur.bv(), tmpstr, false)) {
5213                                 // content has been replaced,
5214                                 // so cursor might be invalid
5215                                 cur.pos() = cur.lastpos();
5216                                 cur.pit() = cur.lastpit();
5217                                 bvcur.setCursor(cur);
5218                         } else
5219                                 cur.undispatched();
5220                 }
5221                 break;
5222
5223         case LFUN_CUT:
5224                 if (cur.selIsMultiCell()) {
5225                         if (copySelection(cur)) {
5226                                 cur.recordUndoInset();
5227                                 cutSelection(cur);
5228                         }
5229                 } else
5230                         cell(cur.idx())->dispatch(cur, cmd);
5231                 break;
5232
5233         case LFUN_SELF_INSERT:
5234                 if (cur.selIsMultiCell()) {
5235                         cur.recordUndoInset();
5236                         cutSelection(cur);
5237                         BufferView * bv = &cur.bv();
5238                         docstring::const_iterator cit = cmd.argument().begin();
5239                         docstring::const_iterator const end = cmd.argument().end();
5240                         for (; cit != end; ++cit)
5241                                 bv->translateAndInsert(*cit, getText(cur.idx()), cur);
5242
5243                         cur.resetAnchor();
5244                         bv->bookmarkEditPosition();
5245                 } else
5246                         cell(cur.idx())->dispatch(cur, cmd);
5247                 break;
5248
5249         case LFUN_CHAR_DELETE_BACKWARD:
5250         case LFUN_CHAR_DELETE_FORWARD:
5251                 if (cur.selIsMultiCell()) {
5252                         cur.recordUndoInset();
5253                         cutSelection(cur);
5254                 } else
5255                         cell(cur.idx())->dispatch(cur, cmd);
5256                 break;
5257
5258         case LFUN_COPY:
5259                 if (!cur.selection())
5260                         break;
5261                 if (cur.selIsMultiCell()) {
5262                         cur.finishUndo();
5263                         copySelection(cur);
5264                 } else
5265                         cell(cur.idx())->dispatch(cur, cmd);
5266                 break;
5267
5268         case LFUN_CLIPBOARD_PASTE:
5269         case LFUN_PRIMARY_SELECTION_PASTE: {
5270                 docstring const clip = (act == LFUN_CLIPBOARD_PASTE) ?
5271                         theClipboard().getAsText(Clipboard::PlainTextType) :
5272                         theSelection().get();
5273                 if (clip.empty())
5274                         break;
5275                 // pass to InsertPlaintextString, but
5276                 // only if we have multi-cell content
5277                 if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
5278                         cur.recordUndoInset();
5279                         if (insertPlaintextString(cur.bv(), clip, false)) {
5280                                 // content has been replaced,
5281                                 // so cursor might be invalid
5282                                 cur.pos() = cur.lastpos();
5283                                 cur.pit() = cur.lastpit();
5284                                 bvcur.setCursor(cur);
5285                                 break;
5286                         }
5287                 }
5288                 // Let the cell handle normal text
5289                 cell(cur.idx())->dispatch(cur, cmd);
5290                 break;
5291         }
5292
5293         case LFUN_PASTE:
5294                 if (!tabularStackDirty()) {
5295                         // Check if we have plain text or HTML with rows/columns.
5296                         // and if so, pass over to LFUN_CLIPBOARD_PASTE
5297                         if (theClipboard().hasTextContents(Clipboard::AnyTextType)
5298                             && !theClipboard().hasTextContents(Clipboard::LyXTextType)) {
5299                                 docstring const clip =
5300                                         theClipboard().getAsText(Clipboard::AnyTextType);
5301                                 if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
5302                                         FuncRequest ncmd = FuncRequest(LFUN_CLIPBOARD_PASTE, cmd.argument());
5303                                         doDispatch(cur, ncmd);
5304                                         break;
5305                                 }
5306                         }
5307                         else if (theClipboard().hasTextContents(Clipboard::LyXTextType)) {
5308                                 // This might be tabular data from another LyX instance. Check!
5309                                 docstring const clip =
5310                                         theClipboard().getAsText(Clipboard::PlainTextType);
5311                                 if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
5312                                         FuncRequest ncmd = FuncRequest(LFUN_CLIPBOARD_PASTE, cmd.argument());
5313                                         doDispatch(cur, ncmd);
5314                                         break;
5315                                 }
5316                         }
5317                         if (!cur.selIsMultiCell())
5318                                 cell(cur.idx())->dispatch(cur, cmd);
5319                         break;
5320                 }
5321                 if (theClipboard().isInternal()) {
5322                         cur.recordUndoInset();
5323                         pasteClipboard(cur);
5324                 }
5325                 break;
5326
5327         case LFUN_CHANGE_ACCEPT:
5328         case LFUN_CHANGE_REJECT:
5329         case LFUN_FONT_EMPH:
5330         case LFUN_FONT_BOLD:
5331         case LFUN_FONT_BOLDSYMBOL:
5332         case LFUN_FONT_ROMAN:
5333         case LFUN_FONT_NOUN:
5334         case LFUN_FONT_ITAL:
5335         case LFUN_FONT_FRAK:
5336         case LFUN_FONT_TYPEWRITER:
5337         case LFUN_FONT_SANS:
5338         case LFUN_TEXTSTYLE_APPLY:
5339         case LFUN_TEXTSTYLE_UPDATE:
5340         case LFUN_FONT_SIZE:
5341         case LFUN_FONT_UNDERLINE:
5342         case LFUN_FONT_STRIKEOUT:
5343         case LFUN_FONT_CROSSOUT:
5344         case LFUN_FONT_UNDERUNDERLINE:
5345         case LFUN_FONT_UNDERWAVE:
5346         case LFUN_LANGUAGE:
5347         case LFUN_PARAGRAPH_PARAMS_APPLY:
5348         case LFUN_PARAGRAPH_PARAMS:
5349         case LFUN_WORD_CAPITALIZE:
5350         case LFUN_WORD_UPCASE:
5351         case LFUN_WORD_LOWCASE:
5352         case LFUN_CHARS_TRANSPOSE: {
5353                 bool const ct = (act == LFUN_CHANGE_ACCEPT || act == LFUN_CHANGE_REJECT);
5354                 if (cur.selIsMultiCell()) {
5355                         row_type rs, re;
5356                         col_type cs, ce;
5357                         getSelection(cur, rs, re, cs, ce);
5358                         Cursor tmpcur = cur;
5359                         for (row_type r = rs; r <= re; ++r) {
5360                                 if (ct && cs == 0 && ce == tabular.ncols() - 1) {
5361                                         // whole row selected
5362                                         if (act == LFUN_CHANGE_ACCEPT) {
5363                                                 if (tabular.row_info[r].change.inserted())
5364                                                         tabular.row_info[r].change.setUnchanged();
5365                                                 else if (tabular.row_info[r].change.deleted()) {
5366                                                         tabular.deleteRow(r, true);
5367                                                         --re;
5368                                                         continue;
5369                                                 }
5370                                         } else {
5371                                                 if (tabular.row_info[r].change.deleted())
5372                                                         tabular.row_info[r].change.setUnchanged();
5373                                                 else if (tabular.row_info[r].change.inserted()) {
5374                                                         tabular.deleteRow(r, true);
5375                                                         --re;
5376                                                         continue;
5377                                                 }
5378                                         }
5379                                 }
5380                                 for (col_type c = cs; c <= ce; ++c) {
5381                                         if (ct && rs == 0 && re == tabular.nrows() - 1) {
5382                                                 // whole col selected
5383                                                 if (act == LFUN_CHANGE_ACCEPT) {
5384                                                         if (tabular.column_info[c].change.inserted())
5385                                                                 tabular.column_info[c].change.setUnchanged();
5386                                                         else if (tabular.column_info[c].change.deleted()) {
5387                                                                 tabular.deleteColumn(c, true);
5388                                                                 --ce;
5389                                                                 continue;
5390                                                         }
5391                                                 } else {
5392                                                         if (tabular.column_info[c].change.deleted())
5393                                                                 tabular.column_info[c].change.setUnchanged();
5394                                                         else if (tabular.column_info[c].change.inserted()) {
5395                                                                 tabular.deleteColumn(c, true);
5396                                                                 --ce;
5397                                                                 continue;
5398                                                         }
5399                                                 }
5400                                         }
5401                                         // cursor follows cell:
5402                                         tmpcur.idx() = tabular.cellIndex(r, c);
5403                                         // select this cell only:
5404                                         tmpcur.pit() = 0;
5405                                         tmpcur.pos() = 0;
5406                                         tmpcur.resetAnchor();
5407                                         tmpcur.pit() = tmpcur.lastpit();
5408                                         tmpcur.pos() = tmpcur.top().lastpos();
5409                                         tmpcur.setCursor(tmpcur);
5410                                         tmpcur.setSelection();
5411                                         cell(tmpcur.idx())->dispatch(tmpcur, cmd);
5412                                 }
5413                         }
5414                         if (ct) {
5415                                 tabular.updateIndexes();
5416                                 // cursor might be invalid
5417                                 cur.fixIfBroken();
5418                                 // change bar might need to be redrawn
5419                                 cur.screenUpdateFlags(Update::Force);
5420                                 cur.forceBufferUpdate();
5421                         }
5422                         break;
5423                 } else {
5424                         cell(cur.idx())->dispatch(cur, cmd);
5425                         break;
5426                 }
5427         }
5428
5429         case LFUN_CHANGE_NEXT:
5430         case LFUN_CHANGE_PREVIOUS: {
5431                 // BufferView::dispatch has already moved the cursor, we just
5432                 // need to select here if we have a changed row or column
5433                 if (tabular.row_info[tabular.cellRow(cur.idx())].change.changed()) {
5434                         // select row
5435                         cur.idx() = tabular.getFirstCellInRow(tabular.cellRow(cur.idx()));
5436                         cur.pit() = 0;
5437                         cur.pos() = 0;
5438                         cur.resetAnchor();
5439                         cur.idx() = tabular.getLastCellInRow(tabular.cellRow(cur.idx()));
5440                         cur.pit() = cur.lastpit();
5441                         cur.pos() = cur.lastpos();
5442                         cur.selection(true);
5443                         bvcur = cur;
5444                         rowselect_ = true;
5445                 }
5446                 else if (tabular.column_info[tabular.cellColumn(cur.idx())].change.changed()) {
5447                         // select column
5448                         cur.idx() = tabular.cellIndex(0, tabular.cellColumn(cur.idx()));
5449                         cur.pit() = 0;
5450                         cur.pos() = 0;
5451                         cur.resetAnchor();
5452                         cur.idx() = tabular.cellIndex(tabular.nrows() - 1, tabular.cellColumn(cur.idx()));
5453                         cur.pit() = cur.lastpit();
5454                         cur.pos() = cur.lastpos();
5455                         cur.selection(true);
5456                         bvcur = cur;
5457                         colselect_ = true;
5458                 }
5459                 break;
5460         }
5461
5462         case LFUN_INSET_SETTINGS:
5463                 // relay this lfun to Inset, not to the cell.
5464                 Inset::doDispatch(cur, cmd);
5465                 break;
5466
5467         default:
5468                 // we try to handle this event in the insets dispatch function.
5469                 cell(cur.idx())->dispatch(cur, cmd);
5470                 break;
5471         }
5472 }
5473
5474
5475 bool InsetTabular::getFeatureStatus(Cursor & cur, string const & s,
5476                       string const & argument, FuncStatus & status) const
5477 {
5478
5479                 int action = Tabular::LAST_ACTION;
5480                 int i = 0;
5481                 for (; tabularFeature[i].action != Tabular::LAST_ACTION; ++i) {
5482                         if (tabularFeature[i].feature == s) {
5483                                 action = tabularFeature[i].action;
5484                                 break;
5485                         }
5486                 }
5487                 if (action == Tabular::LAST_ACTION) {
5488                         status.clear();
5489                         status.setUnknown(true);
5490                         return true;
5491                 }
5492
5493                 row_type sel_row_start = 0;
5494                 row_type sel_row_end = 0;
5495                 col_type sel_col_start = 0;
5496                 col_type sel_col_end = 0;
5497                 Tabular::ltType dummyltt;
5498                 bool flag = true;
5499
5500                 getSelection(cur, sel_row_start, sel_row_end, sel_col_start, sel_col_end);
5501
5502                 switch (action) {
5503                 case Tabular::SET_PWIDTH:
5504                 case Tabular::SET_MPWIDTH:
5505                 case Tabular::TOGGLE_VARWIDTH_COLUMN:
5506                 case Tabular::SET_SPECIAL_COLUMN:
5507                 case Tabular::SET_SPECIAL_MULTICOLUMN:
5508                 case Tabular::APPEND_ROW:
5509                 case Tabular::APPEND_COLUMN:
5510                 case Tabular::DELETE_ROW:
5511                 case Tabular::DELETE_COLUMN:
5512                 case Tabular::COPY_ROW:
5513                 case Tabular::COPY_COLUMN:
5514                 case Tabular::SET_TOP_SPACE:
5515                 case Tabular::SET_BOTTOM_SPACE:
5516                 case Tabular::SET_INTERLINE_SPACE:
5517                         status.clear();
5518                         return true;
5519
5520                 case Tabular::SET_TABULAR_WIDTH:
5521                         status.setEnabled(!tabular.rotate
5522                                 && tabular.tabular_valignment == Tabular::LYX_VALIGN_MIDDLE);
5523                         break;
5524
5525                 case Tabular::MOVE_COLUMN_RIGHT:
5526                 case Tabular::MOVE_COLUMN_LEFT:
5527                 case Tabular::MOVE_ROW_DOWN:
5528                 case Tabular::MOVE_ROW_UP: {
5529                         if (cur.selection()) {
5530                                 status.message(_("Selections not supported."));
5531                                 status.setEnabled(false);
5532                                 break;
5533                         }
5534
5535                         if ((action == Tabular::MOVE_COLUMN_RIGHT &&
5536                                 tabular.ncols() == tabular.cellColumn(cur.idx()) + 1) ||
5537                             (action == Tabular::MOVE_COLUMN_LEFT &&
5538                                 tabular.cellColumn(cur.idx()) == 0) ||
5539                             (action == Tabular::MOVE_ROW_DOWN &&
5540                                 tabular.nrows() == tabular.cellRow(cur.idx()) + 1) ||
5541                             (action == Tabular::MOVE_ROW_UP &&
5542                                 tabular.cellRow(cur.idx()) == 0)) {
5543                                         status.setEnabled(false);
5544                                         break;
5545                         }
5546
5547                         if (action == Tabular::MOVE_COLUMN_RIGHT ||
5548                             action == Tabular::MOVE_COLUMN_LEFT) {
5549                                 if (tabular.hasMultiColumn(tabular.cellColumn(cur.idx())) ||
5550                                     tabular.hasMultiColumn(tabular.cellColumn(cur.idx()) +
5551                                         (action == Tabular::MOVE_COLUMN_RIGHT ? 1 : -1))) {
5552                                         status.message(_("Multi-column in current or"
5553                                                          " destination column."));
5554                                         status.setEnabled(false);
5555                                         break;
5556                                 }
5557                         }
5558
5559                         if (action == Tabular::MOVE_ROW_DOWN ||
5560                             action == Tabular::MOVE_ROW_UP) {
5561                                 if (tabular.hasMultiRow(tabular.cellRow(cur.idx())) ||
5562                                     tabular.hasMultiRow(tabular.cellRow(cur.idx()) +
5563                                         (action == Tabular::MOVE_ROW_DOWN ? 1 : -1))) {
5564                                         status.message(_("Multi-row in current or"
5565                                                          " destination row."));
5566                                         status.setEnabled(false);
5567                                         break;
5568                                 }
5569                         }
5570
5571                         status.setEnabled(true);
5572                         break;
5573                 }
5574
5575                 case Tabular::SET_DECIMAL_POINT:
5576                         status.setEnabled(
5577                                 tabular.getAlignment(cur.idx()) == LYX_ALIGN_DECIMAL);
5578                         break;
5579
5580                 case Tabular::SET_MULTICOLUMN:
5581                 case Tabular::UNSET_MULTICOLUMN:
5582                 case Tabular::MULTICOLUMN:
5583                         // If a row is set as longtable caption, it must not be allowed
5584                         // to unset that this row is a multicolumn.
5585                         status.setEnabled(sel_row_start == sel_row_end
5586                                 && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5587                         status.setOnOff(tabular.isMultiColumn(cur.idx()));
5588                         break;
5589
5590                 case Tabular::SET_MULTIROW:
5591                 case Tabular::UNSET_MULTIROW:
5592                 case Tabular::MULTIROW:
5593                         // If a row is set as longtable caption, it must not be allowed
5594                         // to unset that this row is a multirow.
5595                         status.setEnabled(sel_col_start == sel_col_end
5596                                 && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5597                         status.setOnOff(tabular.isMultiRow(cur.idx()));
5598                         break;
5599
5600                 case Tabular::SET_ALL_LINES:
5601                 case Tabular::UNSET_ALL_LINES:
5602                 case Tabular::SET_INNER_LINES:
5603                 case Tabular::SET_BORDER_LINES:
5604                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5605                         break;
5606
5607                 case Tabular::RESET_FORMAL_DEFAULT:
5608                         status.setEnabled(tabular.use_booktabs);
5609                         break;
5610
5611                 case Tabular::SET_LINE_TOP:
5612                 case Tabular::SET_LINE_BOTTOM:
5613                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5614                         break;
5615
5616                 case Tabular::SET_LINE_LEFT:
5617                 case Tabular::SET_LINE_RIGHT:
5618                         status.setEnabled(!tabular.use_booktabs
5619                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5620                         break;
5621
5622                 case Tabular::SET_LTRIM_TOP:
5623                 case Tabular::SET_RTRIM_TOP:
5624                         status.setEnabled(tabular.use_booktabs
5625                                           && tabular.cellRow(cur.idx()) != 0
5626                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5627                         break;
5628
5629                 case Tabular::SET_LTRIM_BOTTOM:
5630                 case Tabular::SET_RTRIM_BOTTOM:
5631                         status.setEnabled(tabular.use_booktabs
5632                                           && tabular.cellRow(cur.idx()) != tabular.nrows() - 1
5633                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5634                         break;
5635
5636                 case Tabular::TOGGLE_LINE_TOP:
5637                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5638                         status.setOnOff(tabular.topLine(cur.idx()));
5639                         break;
5640
5641                 case Tabular::TOGGLE_LINE_BOTTOM:
5642                         status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
5643                         status.setOnOff(tabular.bottomLine(cur.idx()));
5644                         break;
5645
5646                 case Tabular::TOGGLE_LINE_LEFT:
5647                         status.setEnabled(!tabular.use_booktabs
5648                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5649                         status.setOnOff(tabular.leftLine(cur.idx()));
5650                         break;
5651
5652                 case Tabular::TOGGLE_LINE_RIGHT:
5653                         status.setEnabled(!tabular.use_booktabs
5654                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5655                         status.setOnOff(tabular.rightLine(cur.idx()));
5656                         break;
5657
5658                 case Tabular::TOGGLE_LTRIM_TOP:
5659                         status.setEnabled(tabular.use_booktabs
5660                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5661                         status.setOnOff(tabular.topLineTrim(cur.idx()).first);
5662                         break;
5663
5664                 case Tabular::TOGGLE_RTRIM_TOP:
5665                         status.setEnabled(tabular.use_booktabs
5666                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5667                         status.setOnOff(tabular.topLineTrim(cur.idx()).second);
5668                         break;
5669
5670                 case Tabular::TOGGLE_LTRIM_BOTTOM:
5671                         status.setEnabled(tabular.use_booktabs
5672                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5673                         status.setOnOff(tabular.bottomLineTrim(cur.idx()).first);
5674                         break;
5675
5676                 case Tabular::TOGGLE_RTRIM_BOTTOM:
5677                         status.setEnabled(tabular.use_booktabs
5678                                           && !tabular.ltCaption(tabular.cellRow(cur.idx())));
5679                         status.setOnOff(tabular.bottomLineTrim(cur.idx()).second);
5680                         break;
5681
5682                 // multirow cells only inherit the alignment of the column if the column has
5683                 // no width, otherwise they are left-aligned
5684                 // therefore allow always left but right and center only if there is no width
5685                 case Tabular::M_ALIGN_LEFT:
5686                         flag = false;
5687                         // fall through
5688                 case Tabular::ALIGN_LEFT:
5689                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_LEFT);
5690                         break;
5691
5692                 case Tabular::M_ALIGN_RIGHT:
5693                         flag = false;
5694                         // fall through
5695                 case Tabular::ALIGN_RIGHT:
5696                         status.setEnabled(!(tabular.isMultiRow(cur.idx())
5697                                 && !tabular.getPWidth(cur.idx()).zero()));
5698                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_RIGHT);
5699                         break;
5700
5701                 case Tabular::M_ALIGN_CENTER:
5702                         flag = false;
5703                         // fall through
5704                 case Tabular::ALIGN_CENTER:
5705                         status.setEnabled(!(tabular.isMultiRow(cur.idx())
5706                                 && !tabular.getPWidth(cur.idx()).zero()));
5707                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_CENTER);
5708                         break;
5709
5710                 case Tabular::ALIGN_BLOCK:
5711                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
5712                                 && !tabular.isMultiRow(cur.idx()));
5713                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_BLOCK);
5714                         break;
5715
5716                 case Tabular::ALIGN_DECIMAL:
5717                         status.setEnabled(!tabular.isMultiRow(cur.idx())
5718                                 && !tabular.isMultiColumn(cur.idx()));
5719                         status.setOnOff(tabular.getAlignment(cur.idx(), true) == LYX_ALIGN_DECIMAL);
5720                         break;
5721
5722                 case Tabular::M_VALIGN_TOP:
5723                         flag = false;
5724                         // fall through
5725                 case Tabular::VALIGN_TOP:
5726                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
5727                                 && !tabular.isMultiRow(cur.idx()));
5728                         status.setOnOff(
5729                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_TOP);
5730                         break;
5731
5732                 case Tabular::M_VALIGN_BOTTOM:
5733                         flag = false;
5734                         // fall through
5735                 case Tabular::VALIGN_BOTTOM:
5736                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
5737                                 && !tabular.isMultiRow(cur.idx()));
5738                         status.setOnOff(
5739                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_BOTTOM);
5740                         break;
5741
5742                 case Tabular::M_VALIGN_MIDDLE:
5743                         flag = false;
5744                         // fall through
5745                 case Tabular::VALIGN_MIDDLE:
5746                         status.setEnabled(!tabular.getPWidth(cur.idx()).zero()
5747                                 && !tabular.isMultiRow(cur.idx()));
5748                         status.setOnOff(
5749                                 tabular.getVAlignment(cur.idx(), flag) == Tabular::LYX_VALIGN_MIDDLE);
5750                         break;
5751
5752                 case Tabular::SET_LONGTABULAR:
5753                 case Tabular::TOGGLE_LONGTABULAR:
5754                         // setting as longtable is not allowed when table is inside a float
5755                         if (cur.innerInsetOfType(FLOAT_CODE) != nullptr
5756                                 || cur.innerInsetOfType(WRAP_CODE) != nullptr)
5757                                 status.setEnabled(false);
5758                         else
5759                                 status.setEnabled(true);
5760                         status.setOnOff(tabular.is_long_tabular);
5761                         break;
5762
5763                 case Tabular::UNSET_LONGTABULAR:
5764                         status.setOnOff(!tabular.is_long_tabular);
5765                         break;
5766
5767                 case Tabular::TOGGLE_ROTATE_TABULAR:
5768                 case Tabular::SET_ROTATE_TABULAR:
5769                         status.setOnOff(tabular.rotate != 0);
5770                         break;
5771
5772                 case Tabular::TABULAR_VALIGN_TOP:
5773                         status.setEnabled(tabular.tabular_width.zero());
5774                         status.setOnOff(tabular.tabular_valignment
5775                                 == Tabular::LYX_VALIGN_TOP);
5776                         break;
5777                 case Tabular::TABULAR_VALIGN_MIDDLE:
5778                         status.setEnabled(tabular.tabular_width.zero());
5779                         status.setOnOff(tabular.tabular_valignment
5780                                 == Tabular::LYX_VALIGN_MIDDLE);
5781                         break;
5782                 case Tabular::TABULAR_VALIGN_BOTTOM:
5783                         status.setEnabled(tabular.tabular_width.zero());
5784                         status.setOnOff(tabular.tabular_valignment
5785                                 == Tabular::LYX_VALIGN_BOTTOM);
5786                         break;
5787
5788                 case Tabular::LONGTABULAR_ALIGN_LEFT:
5789                         status.setOnOff(tabular.longtabular_alignment
5790                                 == Tabular::LYX_LONGTABULAR_ALIGN_LEFT);
5791                         break;
5792                 case Tabular::LONGTABULAR_ALIGN_CENTER:
5793                         status.setOnOff(tabular.longtabular_alignment
5794                                 == Tabular::LYX_LONGTABULAR_ALIGN_CENTER);
5795                         break;
5796                 case Tabular::LONGTABULAR_ALIGN_RIGHT:
5797                         status.setOnOff(tabular.longtabular_alignment
5798                                 == Tabular::LYX_LONGTABULAR_ALIGN_RIGHT);
5799                         break;
5800
5801                 case Tabular::UNSET_ROTATE_TABULAR:
5802                         status.setOnOff(tabular.rotate == 0);
5803                         break;
5804
5805                 case Tabular::TOGGLE_ROTATE_CELL:
5806                 case Tabular::SET_ROTATE_CELL:
5807                         status.setOnOff(!oneCellHasRotationState(false,
5808                                 sel_row_start, sel_row_end, sel_col_start, sel_col_end));
5809                         break;
5810
5811                 case Tabular::UNSET_ROTATE_CELL:
5812                         status.setOnOff(!oneCellHasRotationState(true,
5813                                 sel_row_start, sel_row_end, sel_col_start, sel_col_end));
5814                         break;
5815
5816                 case Tabular::SET_USEBOX:
5817                         status.setOnOff(convert<int>(argument) == tabular.getUsebox(cur.idx()));
5818                         break;
5819
5820                 // every row can only be one thing:
5821                 // either a footer or header
5822                 case Tabular::SET_LTFIRSTHEAD:
5823                         status.setEnabled(sel_row_start == sel_row_end);
5824                         status.setOnOff(tabular.getRowOfLTFirstHead(sel_row_start, dummyltt));
5825                         break;
5826
5827                 case Tabular::UNSET_LTFIRSTHEAD:
5828                         status.setEnabled(sel_row_start == sel_row_end);
5829                         status.setOnOff(!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt));
5830                         break;
5831
5832                 case Tabular::SET_LTHEAD:
5833                         status.setEnabled(sel_row_start == sel_row_end);
5834                         status.setOnOff(tabular.getRowOfLTHead(sel_row_start, dummyltt));
5835                         break;
5836
5837                 case Tabular::UNSET_LTHEAD:
5838                         status.setEnabled(sel_row_start == sel_row_end);
5839                         status.setOnOff(!tabular.getRowOfLTHead(sel_row_start, dummyltt));
5840                         break;
5841
5842                 case Tabular::SET_LTFOOT:
5843                         status.setEnabled(sel_row_start == sel_row_end);
5844                         status.setOnOff(tabular.getRowOfLTFoot(sel_row_start, dummyltt));
5845                         break;
5846
5847                 case Tabular::UNSET_LTFOOT:
5848                         status.setEnabled(sel_row_start == sel_row_end);
5849                         status.setOnOff(!tabular.getRowOfLTFoot(sel_row_start, dummyltt));
5850                         break;
5851
5852                 case Tabular::SET_LTLASTFOOT:
5853                         status.setEnabled(sel_row_start == sel_row_end);
5854                         status.setOnOff(tabular.getRowOfLTLastFoot(sel_row_start, dummyltt));
5855                         break;
5856
5857                 case Tabular::UNSET_LTLASTFOOT:
5858                         status.setEnabled(sel_row_start == sel_row_end);
5859                         status.setOnOff(!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt));
5860                         break;
5861
5862                 case Tabular::SET_LTNEWPAGE:
5863                         status.setOnOff(tabular.getLTNewPage(sel_row_start));
5864                         break;
5865                 case Tabular::UNSET_LTNEWPAGE:
5866                         status.setOnOff(!tabular.getLTNewPage(sel_row_start));
5867                         break;
5868
5869                 // only one row in head/firsthead/foot/lasthead can be the caption
5870                 // and a multirow cannot be set as caption
5871                 case Tabular::SET_LTCAPTION:
5872                         status.setEnabled(sel_row_start == sel_row_end
5873                                 && (!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt)
5874                                  || !tabular.haveLTCaption(Tabular::CAPTION_FIRSTHEAD))
5875                                 && (!tabular.getRowOfLTHead(sel_row_start, dummyltt)
5876                                  || !tabular.haveLTCaption(Tabular::CAPTION_HEAD))
5877                                 && (!tabular.getRowOfLTFoot(sel_row_start, dummyltt)
5878                                  || !tabular.haveLTCaption(Tabular::CAPTION_FOOT))
5879                                 && (!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt)
5880                                  || !tabular.haveLTCaption(Tabular::CAPTION_LASTFOOT))
5881                                 && !tabular.isMultiRow(sel_row_start));
5882                         status.setOnOff(tabular.ltCaption(sel_row_start));
5883                         break;
5884
5885                 case Tabular::UNSET_LTCAPTION:
5886                         status.setEnabled(sel_row_start == sel_row_end && tabular.ltCaption(sel_row_start));
5887                         break;
5888
5889                 case Tabular::TOGGLE_LTCAPTION:
5890                         status.setEnabled(sel_row_start == sel_row_end && (tabular.ltCaption(sel_row_start)
5891                                 || ((!tabular.getRowOfLTFirstHead(sel_row_start, dummyltt)
5892                                   || !tabular.haveLTCaption(Tabular::CAPTION_FIRSTHEAD))
5893                                  && (!tabular.getRowOfLTHead(sel_row_start, dummyltt)
5894                                   || !tabular.haveLTCaption(Tabular::CAPTION_HEAD))
5895                                  && (!tabular.getRowOfLTFoot(sel_row_start, dummyltt)
5896                                   || !tabular.haveLTCaption(Tabular::CAPTION_FOOT))
5897                                  && (!tabular.getRowOfLTLastFoot(sel_row_start, dummyltt)
5898                                   || !tabular.haveLTCaption(Tabular::CAPTION_LASTFOOT)))));
5899                         status.setOnOff(tabular.ltCaption(sel_row_start));
5900                         break;
5901
5902                 case Tabular::TOGGLE_BOOKTABS:
5903                 case Tabular::SET_BOOKTABS:
5904                         status.setOnOff(tabular.use_booktabs);
5905                         break;
5906
5907                 case Tabular::UNSET_BOOKTABS:
5908                         status.setOnOff(!tabular.use_booktabs);
5909                         break;
5910
5911                 default:
5912                         status.clear();
5913                         status.setEnabled(false);
5914                         break;
5915                 }
5916                 return true;
5917 }
5918
5919
5920 // function sets an object as defined in FuncStatus.h:
5921 // states OK, Unknown, Disabled, On, Off.
5922 bool InsetTabular::getStatus(Cursor & cur, FuncRequest const & cmd,
5923                              FuncStatus & status) const
5924 {
5925         switch (cmd.action()) {
5926         case LFUN_INSET_MODIFY:
5927                 if (cmd.getArg(0) != "tabular")
5928                         break;
5929                 if (cmd.getArg(1) == "for-dialog") {
5930                         // The dialog is asking the status of a command
5931                         if (&cur.inset() != this)
5932                                 break;
5933                         string action = cmd.getArg(2);
5934                         string arg = cmd.getLongArg(3);
5935                         return getFeatureStatus(cur, action, arg, status);
5936                 } else {
5937                         // We always enable the lfun if it is coming from the dialog
5938                         // because the dialog makes sure all the settings are valid,
5939                         // even though the first argument might not be valid now.
5940                         status.setEnabled(true);
5941                         return true;
5942                 }
5943
5944         case LFUN_TABULAR_FEATURE: {
5945                 if (&cur.inset() != this)
5946                         break;
5947                 string action = cmd.getArg(0);
5948                 string arg = cmd.getLongArg(1);
5949                 return getFeatureStatus(cur, action, arg, status);
5950         }
5951
5952         case LFUN_CAPTION_INSERT: {
5953                 // caption is only allowed in caption cell of longtable
5954                 if (!tabular.ltCaption(tabular.cellRow(cur.idx()))) {
5955                         status.setEnabled(false);
5956                         return true;
5957                 }
5958                 // only standard caption is allowed
5959                 string arg = cmd.getArg(0);
5960                 if (!arg.empty() && arg != "Standard") {
5961                         status.setEnabled(false);
5962                         return true;
5963                 }
5964                 // check if there is already a caption
5965                 bool have_caption = false;
5966                 InsetTableCell itc = InsetTableCell(*tabular.cellInset(cur.idx()));
5967                 ParagraphList::const_iterator pit = itc.paragraphs().begin();
5968                 ParagraphList::const_iterator pend = itc.paragraphs().end();
5969                 for (; pit != pend; ++pit) {
5970                         InsetList::const_iterator it  = pit->insetList().begin();
5971                         InsetList::const_iterator end = pit->insetList().end();
5972                         for (; it != end; ++it) {
5973                                 if (it->inset->lyxCode() == CAPTION_CODE) {
5974                                         have_caption = true;
5975                                         break;
5976                                 }
5977                         }
5978                 }
5979                 status.setEnabled(!have_caption);
5980                 return true;
5981         }
5982
5983         // These are only enabled inside tabular
5984         case LFUN_CELL_BACKWARD:
5985         case LFUN_CELL_FORWARD:
5986                 status.setEnabled(true);
5987                 return true;
5988
5989         // disable these with multiple cells selected
5990         case LFUN_INSET_INSERT:
5991         case LFUN_TABULAR_INSERT:
5992         case LFUN_TABULAR_STYLE_INSERT:
5993         case LFUN_FLEX_INSERT:
5994         case LFUN_FLOAT_INSERT:
5995         case LFUN_FLOAT_WIDE_INSERT:
5996         case LFUN_FOOTNOTE_INSERT:
5997         case LFUN_MARGINALNOTE_INSERT:
5998         case LFUN_MATH_INSERT:
5999         case LFUN_MATH_MODE:
6000         case LFUN_MATH_MUTATE:
6001         case LFUN_MATH_DISPLAY:
6002         case LFUN_NOTE_INSERT:
6003         case LFUN_ARGUMENT_INSERT:
6004         case LFUN_BOX_INSERT:
6005         case LFUN_BRANCH_INSERT:
6006         case LFUN_PHANTOM_INSERT:
6007         case LFUN_WRAP_INSERT:
6008         case LFUN_PREVIEW_INSERT:
6009         case LFUN_ERT_INSERT: {
6010                 if (cur.selIsMultiCell()) {
6011                         status.setEnabled(false);
6012                         return true;
6013                 } else
6014                         return cell(cur.idx())->getStatus(cur, cmd, status);
6015         }
6016
6017         case LFUN_CHANGE_ACCEPT:
6018         case LFUN_CHANGE_REJECT: {
6019                 if (cur.selIsMultiCell()) {
6020                         row_type rs, re;
6021                         col_type cs, ce;
6022                         getSelection(cur, rs, re, cs, ce);
6023                         for (row_type r = rs; r <= re; ++r) {
6024                                 if (tabular.row_info[r].change.changed()) {
6025                                         status.setEnabled(true);
6026                                         return true;
6027                                 }
6028                                 for (col_type c = cs; c <= ce; ++c) {
6029                                         if (tabular.column_info[c].change.changed()) {
6030                                                 status.setEnabled(true);
6031                                                 return true;
6032                                         }
6033                                 }
6034                         }
6035                 } else {
6036                         if (tabular.row_info[tabular.cellRow(cur.idx())].change.changed()) {
6037                                 status.setEnabled(true);
6038                                 return true;
6039                         }
6040                         else if (tabular.column_info[tabular.cellColumn(cur.idx())].change.changed()) {
6041                                 status.setEnabled(true);
6042                                 return true;
6043                         }
6044                 }
6045                 return cell(cur.idx())->getStatus(cur, cmd, status);
6046         }
6047
6048         // disable in non-fixed-width cells
6049         case LFUN_PARAGRAPH_BREAK:
6050                 // multirow does not allow paragraph breaks
6051                 if (tabular.isMultiRow(cur.idx())) {
6052                         status.setEnabled(false);
6053                         return true;
6054                 }
6055                 // fall through
6056         case LFUN_NEWLINE_INSERT:
6057                 if ((tabular.isMultiColumn(cur.idx()) || tabular.isMultiRow(cur.idx()))
6058                     && tabular.getPWidth(cur.idx()).zero()) {
6059                         status.setEnabled(false);
6060                         return true;
6061                 }
6062                 return cell(cur.idx())->getStatus(cur, cmd, status);
6063
6064         case LFUN_NEWPAGE_INSERT:
6065                 status.setEnabled(false);
6066                 return true;
6067
6068         case LFUN_PASTE:
6069                 if (tabularStackDirty() && theClipboard().isInternal()) {
6070                         if (cur.selIsMultiCell()) {
6071                                 row_type rs, re;
6072                                 col_type cs, ce;
6073                                 getSelection(cur, rs, re, cs, ce);
6074                                 if (paste_tabular && paste_tabular->ncols() == ce - cs + 1
6075                                           && paste_tabular->nrows() == re - rs + 1)
6076                                         status.setEnabled(true);
6077                                 else {
6078                                         status.setEnabled(false);
6079                                         status.message(_("Selection size should match clipboard content."));
6080                                 }
6081                         } else
6082                                 status.setEnabled(true);
6083                         return true;
6084                 }
6085                 return cell(cur.idx())->getStatus(cur, cmd, status);
6086
6087         case LFUN_INSET_SETTINGS:
6088                 // relay this lfun to Inset, not to the cell.
6089                 return Inset::getStatus(cur, cmd, status);
6090
6091         default:
6092                 // we try to handle this event in the insets dispatch function.
6093                 return cell(cur.idx())->getStatus(cur, cmd, status);
6094         }
6095         return false;
6096 }
6097
6098
6099 Inset::RowFlags InsetTabular::rowFlags() const
6100 {
6101                 if (tabular.is_long_tabular) {
6102                         switch (tabular.longtabular_alignment) {
6103                         case Tabular::LYX_LONGTABULAR_ALIGN_LEFT:
6104                                 return Display | AlignLeft;
6105                         case Tabular::LYX_LONGTABULAR_ALIGN_CENTER:
6106                                 return Display;
6107                         case Tabular::LYX_LONGTABULAR_ALIGN_RIGHT:
6108                                 return Display | AlignRight;
6109                         default:
6110                                 return Display;
6111                         }
6112                 } else
6113                         return Inline;
6114 }
6115
6116
6117 void InsetTabular::latex(otexstream & os, OutputParams const & runparams) const
6118 {
6119         tabular.latex(os, runparams);
6120 }
6121
6122
6123 int InsetTabular::plaintext(odocstringstream & os,
6124         OutputParams const & runparams, size_t max_length) const
6125 {
6126         os << '\n'; // output table on a new line
6127         int const dp = runparams.linelen > 0 ? runparams.depth : 0;
6128         tabular.plaintext(os, runparams, dp, false, 0, max_length);
6129         return PLAINTEXT_NEWLINE;
6130 }
6131
6132
6133 void InsetTabular::docbook(XMLStream & xs, OutputParams const & runparams) const
6134 {
6135         tabular.docbook(xs, runparams);
6136 }
6137
6138
6139 docstring InsetTabular::xhtml(XMLStream & xs, OutputParams const & rp) const
6140 {
6141         return tabular.xhtml(xs, rp);
6142 }
6143
6144
6145 void InsetTabular::validate(LaTeXFeatures & features) const
6146 {
6147         tabular.validate(features);
6148         features.useInsetLayout(getLayout());
6149 }
6150
6151
6152 shared_ptr<InsetTableCell const> InsetTabular::cell(idx_type idx) const
6153 {
6154         return tabular.cellInset(idx);
6155 }
6156
6157
6158 shared_ptr<InsetTableCell> InsetTabular::cell(idx_type idx)
6159 {
6160         return tabular.cellInset(idx);
6161 }
6162
6163
6164 void InsetTabular::cursorPos(BufferView const & bv,
6165                 CursorSlice const & sl, bool boundary, int & x, int & y) const
6166 {
6167         cell(sl.idx())->cursorPos(bv, sl, boundary, x, y);
6168
6169         // y offset     correction
6170         y += cellYPos(sl.idx());
6171         y += tabular.textVOffset(sl.idx());
6172         y += tabular.offsetVAlignment();
6173
6174         // x offset correction
6175         x += cellXPos(sl.idx());
6176         x += tabular.textHOffset(sl.idx());
6177         x += ADD_TO_TABULAR_WIDTH;
6178 }
6179
6180
6181 int InsetTabular::dist(BufferView & bv, idx_type const cell, int x, int y) const
6182 {
6183         int xx = 0;
6184         int yy = 0;
6185         Inset const & inset = *tabular.cellInset(cell);
6186         Point o = bv.coordCache().getInsets().xy(&inset);
6187         int const xbeg = o.x_ - tabular.textHOffset(cell);
6188         int const xend = xbeg + tabular.cellWidth(cell);
6189         row_type const row = tabular.cellRow(cell);
6190         int const ybeg = o.y_ - tabular.rowAscent(row)
6191                 - tabular.interRowSpace(row) - tabular.textVOffset(cell);
6192         int const yend = ybeg + tabular.cellHeight(cell);
6193
6194         if (x < xbeg)
6195                 xx = xbeg - x;
6196         else if (x > xend)
6197                 xx = x - xend;
6198
6199         if (y < ybeg)
6200                 yy = ybeg - y;
6201         else if (y > yend)
6202                 yy = y - yend;
6203
6204         //lyxerr << " xbeg=" << xbeg << "  xend=" << xend
6205         //       << " ybeg=" << ybeg << " yend=" << yend
6206         //       << " xx=" << xx << " yy=" << yy
6207         //       << " dist=" << xx + yy << endl;
6208         return xx + yy;
6209 }
6210
6211
6212 Inset * InsetTabular::editXY(Cursor & cur, int x, int y)
6213 {
6214         //lyxerr << "InsetTabular::editXY: " << this << endl;
6215         cur.push(*this);
6216         cur.idx() = getNearestCell(cur.bv(), x, y);
6217         return cur.bv().textMetrics(&cell(cur.idx())->text()).editXY(cur, x, y);
6218 }
6219
6220
6221 void InsetTabular::setCursorFromCoordinates(Cursor & cur, int x, int y) const
6222 {
6223         cur.idx() = getNearestCell(cur.bv(), x, y);
6224         cur.bv().textMetrics(&cell(cur.idx())->text()).setCursorFromCoordinates(cur, x, y);
6225 }
6226
6227
6228 InsetTabular::idx_type InsetTabular::getNearestCell(BufferView & bv, int x, int y) const
6229 {
6230         idx_type idx_min = 0;
6231         int dist_min = numeric_limits<int>::max();
6232         for (idx_type i = 0, n = nargs(); i != n; ++i) {
6233                 if (bv.coordCache().getInsets().has(tabular.cellInset(i).get())) {
6234                         int const d = dist(bv, i, x, y);
6235                         if (d < dist_min) {
6236                                 dist_min = d;
6237                                 idx_min = i;
6238                         }
6239                 }
6240         }
6241         return idx_min;
6242 }
6243
6244
6245 int InsetTabular::cellYPos(idx_type const cell) const
6246 {
6247         row_type row = tabular.cellRow(cell);
6248         int ly = 0;
6249         for (row_type r = 0; r < row; ++r)
6250                 ly += tabular.rowDescent(r) + tabular.rowAscent(r + 1)
6251                         + tabular.interRowSpace(r + 1);
6252         return ly;
6253 }
6254
6255
6256 int InsetTabular::cellXPos(idx_type const cell) const
6257 {
6258         col_type col = tabular.cellColumn(cell);
6259         int lx = 0;
6260         for (col_type c = 0; c < col; ++c)
6261                 lx += tabular.column_info[c].width;
6262         return lx;
6263 }
6264
6265
6266 void InsetTabular::moveNextCell(Cursor & cur, EntryDirection entry_from)
6267 {
6268         row_type const row = tabular.cellRow(cur.idx());
6269         col_type const col = tabular.cellColumn(cur.idx());
6270
6271         if (isRightToLeft(cur)) {
6272                 if (tabular.cellColumn(cur.idx()) == 0) {
6273                         if (row == tabular.nrows() - 1)
6274                                 return;
6275                         cur.idx() = tabular.cellBelow(tabular.getLastCellInRow(row));
6276                 } else {
6277                         if (cur.idx() == 0)
6278                                 return;
6279                         if (col == 0)
6280                                 cur.idx() = tabular.getLastCellInRow(row - 1);
6281                         else
6282                                 cur.idx() = tabular.cellIndex(row, col - 1);
6283                 }
6284         } else {
6285                 if (tabular.isLastCell(cur.idx()))
6286                         return;
6287                 if (cur.idx() == tabular.getLastCellInRow(row))
6288                         cur.idx() = tabular.cellIndex(row + 1, 0);
6289                 else {
6290                         col_type const colnextcell = col + tabular.columnSpan(cur.idx());
6291                         cur.idx() = tabular.cellIndex(row, colnextcell);
6292                 }
6293         }
6294
6295         cur.boundary(false);
6296
6297         if (cur.selIsMultiCell()) {
6298                 cur.pit() = cur.lastpit();
6299                 cur.pos() = cur.lastpos();
6300                 return;
6301         }
6302
6303         cur.pit() = 0;
6304         cur.pos() = 0;
6305
6306         // in visual mode, place cursor at extreme left or right
6307
6308         switch(entry_from) {
6309
6310         case ENTRY_DIRECTION_RIGHT:
6311                 cur.posVisToRowExtremity(false /* !left */);
6312                 break;
6313         case ENTRY_DIRECTION_LEFT:
6314                 cur.posVisToRowExtremity(true /* left */);
6315                 break;
6316         case ENTRY_DIRECTION_IGNORE:
6317                 // nothing to do in this case
6318                 break;
6319
6320         }
6321         cur.setCurrentFont();
6322 }
6323
6324
6325 void InsetTabular::movePrevCell(Cursor & cur, EntryDirection entry_from)
6326 {
6327         row_type const row = tabular.cellRow(cur.idx());
6328         col_type const col = tabular.cellColumn(cur.idx());
6329
6330         if (isRightToLeft(cur)) {
6331                 if (cur.idx() == tabular.getLastCellInRow(row)) {
6332                         if (row == 0)
6333                                 return;
6334                         cur.idx() = tabular.getFirstCellInRow(row);
6335                         cur.idx() = tabular.cellAbove(cur.idx());
6336                 } else {
6337                         if (tabular.isLastCell(cur.idx()))
6338                                 return;
6339                         if (cur.idx() == tabular.getLastCellInRow(row))
6340                                 cur.idx() = tabular.cellIndex(row + 1, 0);
6341                         else
6342                                 cur.idx() = tabular.cellIndex(row, col + 1);
6343                 }
6344         } else {
6345                 if (cur.idx() == 0) // first cell
6346                         return;
6347                 if (col == 0)
6348                         cur.idx() = tabular.getLastCellInRow(row - 1);
6349                 else
6350                         cur.idx() = tabular.cellIndex(row, col - 1);
6351         }
6352
6353         if (cur.selIsMultiCell()) {
6354                 cur.pit() = cur.lastpit();
6355                 cur.pos() = cur.lastpos();
6356                 return;
6357         }
6358
6359         cur.pit() = cur.lastpit();
6360         cur.pos() = cur.lastpos();
6361
6362         // in visual mode, place cursor at extreme left or right
6363
6364         switch(entry_from) {
6365
6366         case ENTRY_DIRECTION_RIGHT:
6367                 cur.posVisToRowExtremity(false /* !left */);
6368                 break;
6369         case ENTRY_DIRECTION_LEFT:
6370                 cur.posVisToRowExtremity(true /* left */);
6371                 break;
6372         case ENTRY_DIRECTION_IGNORE:
6373                 // nothing to do in this case
6374                 break;
6375
6376         }
6377         cur.setCurrentFont();
6378 }
6379
6380
6381 void InsetTabular::tabularFeatures(Cursor & cur, string const & argument)
6382 {
6383         cur.recordUndoInset(this);
6384
6385         istringstream is(argument);
6386         // limit the size of strings we read to avoid memory problems
6387         is >> setw(65636);
6388         string s;
6389         // Safe guard.
6390         size_t safe_guard = 0;
6391         for (;;) {
6392                 if (is.eof())
6393                         return;
6394                 safe_guard++;
6395                 if (safe_guard > 1000) {
6396                         LYXERR0("parameter max count reached!");
6397                         return;
6398                 }
6399                 is >> s;
6400                 Tabular::Feature action = Tabular::LAST_ACTION;
6401
6402                 size_t i = 0;
6403                 for (; tabularFeature[i].action != Tabular::LAST_ACTION; ++i) {
6404                         if (s != tabularFeature[i].feature)
6405                                 continue;
6406                         action = tabularFeature[i].action;
6407                         break;
6408                 }
6409                 if (action == Tabular::LAST_ACTION) {
6410                         LYXERR0("Feature not found " << s);
6411                         continue;
6412                 }
6413                 string val;
6414                 if (tabularFeature[i].need_value)
6415                         is >> val;
6416                 LYXERR(Debug::DEBUG, "Feature: " << s << "\t\tvalue: " << val);
6417                 tabularFeatures(cur, action, val);
6418         }
6419 }
6420
6421
6422 static void checkLongtableSpecial(Tabular::ltType & ltt,
6423                           string const & special, bool & flag)
6424 {
6425         if (special == "dl_above") {
6426                 ltt.topDL = flag;
6427                 ltt.set = false;
6428         } else if (special == "dl_below") {
6429                 ltt.bottomDL = flag;
6430                 ltt.set = false;
6431         } else if (special == "empty") {
6432                 ltt.empty = flag;
6433                 ltt.set = false;
6434         } else if (flag) {
6435                 ltt.empty = false;
6436                 ltt.set = true;
6437         }
6438 }
6439
6440
6441 bool InsetTabular::oneCellHasRotationState(bool rotated,
6442                 row_type row_start, row_type row_end,
6443                 col_type col_start, col_type col_end) const
6444 {
6445         for (row_type r = row_start; r <= row_end; ++r)
6446                 for (col_type c = col_start; c <= col_end; ++c)
6447                         if (rotated) {
6448                                 if (tabular.getRotateCell(tabular.cellIndex(r, c)) != 0)
6449                                         return true;
6450                         } else {
6451                                 if (tabular.getRotateCell(tabular.cellIndex(r, c)) == 0)
6452                                         return true;
6453                         }
6454         return false;
6455 }
6456
6457
6458 void InsetTabular::tabularFeatures(Cursor & cur,
6459         Tabular::Feature feature, string const & value)
6460 {
6461         col_type sel_col_start;
6462         col_type sel_col_end;
6463         row_type sel_row_start;
6464         row_type sel_row_end;
6465         bool setLines = false;
6466         bool setLinesInnerOnly = false;
6467         LyXAlignment setAlign = LYX_ALIGN_LEFT;
6468         Tabular::VAlignment setVAlign = Tabular::LYX_VALIGN_TOP;
6469
6470         switch (feature) {
6471
6472         case Tabular::M_ALIGN_LEFT:
6473         case Tabular::ALIGN_LEFT:
6474                 setAlign = LYX_ALIGN_LEFT;
6475                 break;
6476
6477         case Tabular::M_ALIGN_RIGHT:
6478         case Tabular::ALIGN_RIGHT:
6479                 setAlign = LYX_ALIGN_RIGHT;
6480                 break;
6481
6482         case Tabular::M_ALIGN_CENTER:
6483         case Tabular::ALIGN_CENTER:
6484                 setAlign = LYX_ALIGN_CENTER;
6485                 break;
6486
6487         case Tabular::ALIGN_BLOCK:
6488                 setAlign = LYX_ALIGN_BLOCK;
6489                 break;
6490
6491         case Tabular::ALIGN_DECIMAL:
6492                 setAlign = LYX_ALIGN_DECIMAL;
6493                 break;
6494
6495         case Tabular::M_VALIGN_TOP:
6496         case Tabular::VALIGN_TOP:
6497                 setVAlign = Tabular::LYX_VALIGN_TOP;
6498                 break;
6499
6500         case Tabular::M_VALIGN_BOTTOM:
6501         case Tabular::VALIGN_BOTTOM:
6502                 setVAlign = Tabular::LYX_VALIGN_BOTTOM;
6503                 break;
6504
6505         case Tabular::M_VALIGN_MIDDLE:
6506         case Tabular::VALIGN_MIDDLE:
6507                 setVAlign = Tabular::LYX_VALIGN_MIDDLE;
6508                 break;
6509
6510         default:
6511                 break;
6512         }
6513
6514         getSelection(cur, sel_row_start, sel_row_end, sel_col_start, sel_col_end);
6515         row_type const row = tabular.cellRow(cur.idx());
6516         col_type const column = tabular.cellColumn(cur.idx());
6517         bool flag = true;
6518         Tabular::ltType ltt;
6519
6520         switch (feature) {
6521
6522         case Tabular::SET_TABULAR_WIDTH:
6523                 tabular.setTabularWidth(Length(value));
6524                 break;
6525
6526         case Tabular::SET_PWIDTH: {
6527                 Length const len(value);
6528                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6529                         tabular.setColumnPWidth(cur, tabular.cellIndex(row, c), len);
6530                         if (len.zero()
6531                             && tabular.getAlignment(tabular.cellIndex(row, c), true) == LYX_ALIGN_BLOCK)
6532                                 tabularFeatures(cur, Tabular::ALIGN_CENTER, string());
6533                 }
6534                 break;
6535         }
6536
6537         case Tabular::SET_MPWIDTH:
6538                 tabular.setMColumnPWidth(cur, cur.idx(), Length(value));
6539                 break;
6540
6541         case Tabular::TOGGLE_VARWIDTH_COLUMN: {
6542                 bool const varwidth = value == "on";
6543                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6544                         tabular.toggleVarwidth(tabular.cellIndex(row, c), varwidth);
6545                 break;
6546         }
6547
6548         case Tabular::SET_MROFFSET:
6549                 tabular.setMROffset(cur, cur.idx(), Length(value));
6550                 break;
6551
6552         case Tabular::SET_SPECIAL_COLUMN:
6553         case Tabular::SET_SPECIAL_MULTICOLUMN:
6554                 if (value == "none")
6555                         tabular.setAlignSpecial(cur.idx(), docstring(), feature);
6556                 else
6557                         tabular.setAlignSpecial(cur.idx(), from_utf8(value), feature);
6558                 break;
6559
6560         case Tabular::APPEND_ROW:
6561                 // append the row into the tabular
6562                 tabular.appendRow(row);
6563                 break;
6564
6565         case Tabular::APPEND_COLUMN:
6566                 // append the column into the tabular
6567                 tabular.appendColumn(column);
6568                 cur.idx() = tabular.cellIndex(row, column);
6569                 break;
6570
6571         case Tabular::DELETE_ROW:
6572                 if (sel_row_end == tabular.nrows() - 1 && sel_row_start != 0) {
6573                         for (col_type c = 0; c < tabular.ncols(); c++) {
6574                                 tabular.setBottomLine(tabular.cellIndex(sel_row_start - 1, c),
6575                                         tabular.bottomLine(tabular.cellIndex(sel_row_end, c)));
6576                                 tabular.setBottomLineTrim(tabular.cellIndex(sel_row_start - 1, c),
6577                                         tabular.bottomLineTrim(tabular.cellIndex(sel_row_end, c)));
6578                         }
6579                 }
6580
6581                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6582                         tabular.deleteRow(sel_row_start);
6583                 if (sel_row_start >= tabular.nrows())
6584                         --sel_row_start;
6585                 cur.idx() = tabular.cellIndex(sel_row_start, column);
6586                 cur.pit() = 0;
6587                 cur.pos() = 0;
6588                 cur.selection(false);
6589                 break;
6590
6591         case Tabular::DELETE_COLUMN:
6592                 if (sel_col_end == tabular.ncols() - 1 && sel_col_start != 0) {
6593                         for (row_type r = 0; r < tabular.nrows(); r++)
6594                                 tabular.setRightLine(tabular.cellIndex(r, sel_col_start - 1),
6595                                         tabular.rightLine(tabular.cellIndex(r, sel_col_end)));
6596                 }
6597
6598                 if (sel_col_start == 0 && sel_col_end != tabular.ncols() - 1) {
6599                         for (row_type r = 0; r < tabular.nrows(); r++)
6600                                 tabular.setLeftLine(tabular.cellIndex(r, sel_col_end + 1),
6601                                         tabular.leftLine(tabular.cellIndex(r, 0)));
6602                 }
6603
6604                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6605                         tabular.deleteColumn(sel_col_start);
6606                 if (sel_col_start >= tabular.ncols())
6607                         --sel_col_start;
6608                 cur.idx() = tabular.cellIndex(row, sel_col_start);
6609                 cur.pit() = 0;
6610                 cur.pos() = 0;
6611                 cur.selection(false);
6612                 break;
6613
6614         case Tabular::COPY_ROW:
6615                 tabular.copyRow(row);
6616                 break;
6617
6618         case Tabular::COPY_COLUMN:
6619                 tabular.copyColumn(column);
6620                 cur.idx() = tabular.cellIndex(row, column);
6621                 break;
6622
6623         case Tabular::MOVE_COLUMN_RIGHT:
6624                 tabular.moveColumn(column, Tabular::RIGHT);
6625                 cur.idx() = tabular.cellIndex(row, column + 1);
6626                 break;
6627
6628         case Tabular::MOVE_COLUMN_LEFT:
6629                 tabular.moveColumn(column, Tabular::LEFT);
6630                 cur.idx() = tabular.cellIndex(row, column - 1);
6631                 break;
6632
6633         case Tabular::MOVE_ROW_DOWN:
6634                 tabular.moveRow(row, Tabular::DOWN);
6635                 cur.idx() = tabular.cellIndex(row + 1, column);
6636                 break;
6637
6638         case Tabular::MOVE_ROW_UP:
6639                 tabular.moveRow(row, Tabular::UP);
6640                 cur.idx() = tabular.cellIndex(row - 1, column);
6641                 break;
6642
6643         case Tabular::SET_LINE_TOP:
6644         case Tabular::TOGGLE_LINE_TOP: {
6645                 bool lineSet = (feature == Tabular::SET_LINE_TOP)
6646                                ? (value == "true") : !tabular.topLine(cur.idx());
6647                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6648                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6649                                 tabular.setTopLine(tabular.cellIndex(r, c), lineSet);
6650                 break;
6651         }
6652
6653         case Tabular::SET_LINE_BOTTOM:
6654         case Tabular::TOGGLE_LINE_BOTTOM: {
6655                 bool lineSet = (feature == Tabular::SET_LINE_BOTTOM)
6656                                ? (value == "true") : !tabular.bottomLine(cur.idx());
6657                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6658                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6659                                 tabular.setBottomLine(tabular.cellIndex(r, c), lineSet);
6660                 break;
6661         }
6662
6663         case Tabular::SET_LTRIM_TOP:
6664         case Tabular::TOGGLE_LTRIM_TOP: {
6665                 bool l = (feature == Tabular::SET_LTRIM_TOP)
6666                                ? (value == "true") : !tabular.topLineTrim(cur.idx()).first;
6667                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6668                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6669                                 tabular.setTopLineLTrim(tabular.cellIndex(r, c), l);
6670                 break;
6671         }
6672
6673         case Tabular::SET_RTRIM_TOP:
6674         case Tabular::TOGGLE_RTRIM_TOP: {
6675                 bool l = (feature == Tabular::SET_RTRIM_TOP)
6676                                ? (value == "true") : !tabular.topLineTrim(cur.idx()).second;
6677                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6678                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6679                                 tabular.setTopLineRTrim(tabular.cellIndex(r, c), l);
6680                 break;
6681         }
6682
6683         case Tabular::SET_LTRIM_BOTTOM:
6684         case Tabular::TOGGLE_LTRIM_BOTTOM: {
6685                 bool l = (feature == Tabular::SET_LTRIM_BOTTOM)
6686                                ? (value == "true") : !tabular.bottomLineTrim(cur.idx()).first;
6687                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6688                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6689                                 tabular.setBottomLineLTrim(tabular.cellIndex(r, c), l);
6690                 break;
6691         }
6692
6693         case Tabular::SET_RTRIM_BOTTOM:
6694         case Tabular::TOGGLE_RTRIM_BOTTOM: {
6695                 bool l = (feature == Tabular::SET_RTRIM_BOTTOM)
6696                                ? (value == "true") : !tabular.bottomLineTrim(cur.idx()).second;
6697                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6698                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6699                                 tabular.setBottomLineRTrim(tabular.cellIndex(r, c), l);
6700                 break;
6701         }
6702
6703         case Tabular::SET_LINE_LEFT:
6704         case Tabular::TOGGLE_LINE_LEFT: {
6705                 bool lineSet = (feature == Tabular::SET_LINE_LEFT)
6706                                ? (value == "true") : !tabular.leftLine(cur.idx());
6707                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6708                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6709                                 tabular.setLeftLine(tabular.cellIndex(r, c), lineSet);
6710                 break;
6711         }
6712
6713         case Tabular::SET_LINE_RIGHT:
6714         case Tabular::TOGGLE_LINE_RIGHT: {
6715                 bool lineSet = (feature == Tabular::SET_LINE_RIGHT)
6716                                ? (value == "true") : !tabular.rightLine(cur.idx());
6717                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6718                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6719                                 tabular.setRightLine(tabular.cellIndex(r, c), lineSet);
6720                 break;
6721         }
6722
6723         case Tabular::M_ALIGN_LEFT:
6724         case Tabular::M_ALIGN_RIGHT:
6725         case Tabular::M_ALIGN_CENTER:
6726         case Tabular::ALIGN_LEFT:
6727         case Tabular::ALIGN_RIGHT:
6728         case Tabular::ALIGN_CENTER:
6729         case Tabular::ALIGN_BLOCK:
6730         case Tabular::ALIGN_DECIMAL:
6731                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6732                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6733                                 tabular.setAlignment(tabular.cellIndex(r, c), setAlign,
6734                                 !tabular.getPWidth(c).zero());
6735                 break;
6736
6737         case Tabular::M_VALIGN_TOP:
6738         case Tabular::M_VALIGN_BOTTOM:
6739         case Tabular::M_VALIGN_MIDDLE:
6740                 flag = false;
6741                 // fall through
6742         case Tabular::VALIGN_TOP:
6743         case Tabular::VALIGN_BOTTOM:
6744         case Tabular::VALIGN_MIDDLE:
6745                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6746                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6747                                 tabular.setVAlignment(tabular.cellIndex(r, c), setVAlign, flag);
6748                 break;
6749
6750         case Tabular::SET_MULTICOLUMN: {
6751                 if (!cur.selection()) {
6752                         // just multicol for one single cell
6753                         // check whether we are completely in a multicol
6754                         if (!tabular.isMultiColumn(cur.idx()))
6755                                 tabular.setMultiColumn(cur, cur.idx(), 1,
6756                                         tabular.rightLine(cur.idx()));
6757                         break;
6758                 }
6759                 // we have a selection so this means we just add all these
6760                 // cells to form a multicolumn cell
6761                 idx_type const s_start = cur.selBegin().idx();
6762                 row_type const col_start = tabular.cellColumn(s_start);
6763                 row_type const col_end = tabular.cellColumn(cur.selEnd().idx());
6764                 cur.idx() = tabular.setMultiColumn(cur, s_start, col_end - col_start + 1,
6765                                                    tabular.rightLine(cur.selEnd().idx()));
6766                 cur.pit() = 0;
6767                 cur.pos() = 0;
6768                 cur.selection(false);
6769                 break;
6770         }
6771
6772         case Tabular::UNSET_MULTICOLUMN: {
6773                 if (!cur.selection()) {
6774                         if (tabular.isMultiColumn(cur.idx()))
6775                                 tabular.unsetMultiColumn(cur.idx());
6776                 }
6777                 break;
6778         }
6779
6780         case Tabular::MULTICOLUMN: {
6781                 if (!cur.selection()) {
6782                         if (tabular.isMultiColumn(cur.idx()))
6783                                 tabularFeatures(cur, Tabular::UNSET_MULTICOLUMN);
6784                         else
6785                                 tabularFeatures(cur, Tabular::SET_MULTICOLUMN);
6786                         break;
6787                 }
6788                 bool merge = false;
6789                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6790                         row_type const r = sel_row_start;
6791                         if (!tabular.isMultiColumn(tabular.cellIndex(r, c))
6792                             || (r > sel_row_start && !tabular.isPartOfMultiColumn(r, c)))
6793                                 merge = true;
6794                 }
6795                 // If the selection contains at least one singlecol cell
6796                 // or multiple multicol cells,
6797                 // we assume the user will merge is to a single multicol
6798                 if (merge)
6799                         tabularFeatures(cur, Tabular::SET_MULTICOLUMN);
6800                 else
6801                         tabularFeatures(cur, Tabular::UNSET_MULTICOLUMN);
6802                 break;
6803         }
6804
6805         case Tabular::SET_MULTIROW: {
6806                 if (!cur.selection()) {
6807                         // just multirow for one single cell
6808                         // check whether we are completely in a multirow
6809                         if (!tabular.isMultiRow(cur.idx()))
6810                                 tabular.setMultiRow(cur, cur.idx(), 1,
6811                                                     tabular.bottomLine(cur.idx()),
6812                                                     tabular.getAlignment(cur.idx()));
6813                         break;
6814                 }
6815                 // we have a selection so this means we just add all this
6816                 // cells to form a multirow cell
6817                 idx_type const s_start = cur.selBegin().idx();
6818                 row_type const row_start = tabular.cellRow(s_start);
6819                 row_type const row_end = tabular.cellRow(cur.selEnd().idx());
6820                 cur.idx() = tabular.setMultiRow(cur, s_start, row_end - row_start + 1,
6821                                                 tabular.bottomLine(cur.selEnd().idx()),
6822                                                 tabular.getAlignment(cur.selEnd().idx()));
6823                 cur.pit() = 0;
6824                 cur.pos() = 0;
6825                 cur.selection(false);
6826                 break;
6827         }
6828
6829         case Tabular::UNSET_MULTIROW: {
6830                 if (!cur.selection()) {
6831                         if (tabular.isMultiRow(cur.idx()))
6832                                 tabular.unsetMultiRow(cur.idx());
6833                 }
6834                 break;
6835         }
6836
6837         case Tabular::MULTIROW: {
6838                 if (!cur.selection()) {
6839                         if (tabular.isMultiRow(cur.idx()))
6840                                 tabularFeatures(cur, Tabular::UNSET_MULTIROW);
6841                         else
6842                                 tabularFeatures(cur, Tabular::SET_MULTIROW);
6843                         break;
6844                 }
6845                 bool merge = false;
6846                 for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6847                         col_type const c = sel_col_start;
6848                         if (!tabular.isMultiRow(tabular.cellIndex(r, c))
6849                             || (r > sel_row_start && !tabular.isPartOfMultiRow(r, c)))
6850                                 merge = true;
6851                 }
6852                 // If the selection contains at least one singlerow cell
6853                 // or multiple multirow cells,
6854                 // we assume the user will merge is to a single multirow
6855                 if (merge)
6856                         tabularFeatures(cur, Tabular::SET_MULTIROW);
6857                 else
6858                         tabularFeatures(cur, Tabular::UNSET_MULTIROW);
6859                 break;
6860         }
6861
6862         case Tabular::SET_INNER_LINES:
6863                 setLinesInnerOnly = true;
6864                 // fall through
6865         case Tabular::SET_ALL_LINES:
6866                 setLines = true;
6867                 // fall through
6868         case Tabular::UNSET_ALL_LINES:
6869                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6870                         for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6871                                 idx_type const cell = tabular.cellIndex(r, c);
6872                                 if (!setLinesInnerOnly || r != sel_row_start)
6873                                         tabular.setTopLine(cell, setLines);
6874                                 if ((!setLinesInnerOnly || r != sel_row_end)
6875                                     && (!setLines || r == sel_row_end))
6876                                         tabular.setBottomLine(cell, setLines);
6877                                 if ((!setLinesInnerOnly || c != sel_col_end)
6878                                     && (!setLines || c == sel_col_end))
6879                                         tabular.setRightLine(cell, setLines);
6880                                 if ((!setLinesInnerOnly || c != sel_col_start))
6881                                         tabular.setLeftLine(cell, setLines);
6882                         }
6883                 break;
6884
6885         case Tabular::RESET_FORMAL_DEFAULT:
6886                 for (row_type r = 0; r < tabular.nrows(); ++r) {
6887                         bool const head_or_foot = r == 0 || r == tabular.nrows() - 1;
6888                         for (col_type c = 0; c < tabular.ncols(); ++c) {
6889                                 idx_type const cell = tabular.cellIndex(r, c);
6890                                 tabular.setTopLine(cell, head_or_foot);
6891                                 tabular.setBottomLine(cell, head_or_foot);
6892                         }
6893                 }
6894                 break;
6895
6896         case Tabular::SET_BORDER_LINES:
6897                 for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
6898                         tabular.setLeftLine(tabular.cellIndex(r, sel_col_start), true);
6899                         tabular.setRightLine(tabular.cellIndex(r, sel_col_end), true);
6900                 }
6901                 for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6902                         tabular.setTopLine(tabular.cellIndex(sel_row_start, c), true);
6903                         tabular.setBottomLine(tabular.cellIndex(sel_row_end, c), true);
6904                 }
6905                 break;
6906
6907         case Tabular::TOGGLE_LONGTABULAR:
6908                 if (tabular.is_long_tabular)
6909                         tabularFeatures(cur, Tabular::UNSET_LONGTABULAR);
6910                 else
6911                         tabular.is_long_tabular = true;
6912                 break;
6913
6914         case Tabular::SET_LONGTABULAR:
6915                 tabular.is_long_tabular = true;
6916                 break;
6917
6918         case Tabular::UNSET_LONGTABULAR:
6919                 for (row_type r = 0; r < tabular.nrows(); ++r) {
6920                         if (tabular.ltCaption(r)) {
6921                                 cur.idx() = tabular.cellIndex(r, 0);
6922                                 cur.pit() = 0;
6923                                 cur.pos() = 0;
6924                                 tabularFeatures(cur, Tabular::TOGGLE_LTCAPTION);
6925                         }
6926                 }
6927                 tabular.is_long_tabular = false;
6928                 break;
6929
6930         case Tabular::SET_ROTATE_TABULAR:
6931                 tabular.rotate = convert<int>(value);
6932                 break;
6933
6934         case Tabular::UNSET_ROTATE_TABULAR:
6935                 tabular.rotate = 0;
6936                 break;
6937
6938         case Tabular::TOGGLE_ROTATE_TABULAR:
6939                 // when pressing the rotate button we default to 90° rotation
6940                 tabular.rotate != 0 ? tabular.rotate = 0 : tabular.rotate = 90;
6941                 break;
6942
6943         case Tabular::TABULAR_VALIGN_TOP:
6944                 tabular.tabular_valignment = Tabular::LYX_VALIGN_TOP;
6945                 break;
6946
6947         case Tabular::TABULAR_VALIGN_MIDDLE:
6948                 tabular.tabular_valignment = Tabular::LYX_VALIGN_MIDDLE;
6949                 break;
6950
6951         case Tabular::TABULAR_VALIGN_BOTTOM:
6952                 tabular.tabular_valignment = Tabular::LYX_VALIGN_BOTTOM;
6953                 break;
6954
6955         case Tabular::LONGTABULAR_ALIGN_LEFT:
6956                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_LEFT;
6957                 break;
6958
6959         case Tabular::LONGTABULAR_ALIGN_CENTER:
6960                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_CENTER;
6961                 break;
6962
6963         case Tabular::LONGTABULAR_ALIGN_RIGHT:
6964                 tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_RIGHT;
6965                 break;
6966
6967         case Tabular::SET_ROTATE_CELL:
6968                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6969                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6970                                 tabular.setRotateCell(tabular.cellIndex(r, c), convert<int>(value));
6971                 break;
6972
6973         case Tabular::UNSET_ROTATE_CELL:
6974                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6975                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
6976                                 tabular.setRotateCell(tabular.cellIndex(r, c), 0);
6977                 break;
6978
6979         case Tabular::TOGGLE_ROTATE_CELL:
6980                 {
6981                 bool oneNotRotated = oneCellHasRotationState(false,
6982                         sel_row_start, sel_row_end, sel_col_start, sel_col_end);
6983
6984                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
6985                         for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
6986                                 // when pressing the rotate cell button we default to 90° rotation
6987                                 if (oneNotRotated)
6988                                         tabular.setRotateCell(tabular.cellIndex(r, c), 90);
6989                                 else
6990                                         tabular.setRotateCell(tabular.cellIndex(r, c), 0);
6991                         }
6992                 }
6993                 break;
6994
6995         case Tabular::SET_USEBOX: {
6996                 Tabular::BoxType val = Tabular::BoxType(convert<int>(value));
6997                 if (val == tabular.getUsebox(cur.idx()))
6998                         val = Tabular::BOX_NONE;
6999                 for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7000                         for (col_type c = sel_col_start; c <= sel_col_end; ++c)
7001                                 tabular.setUsebox(tabular.cellIndex(r, c), val);
7002                 break;
7003         }
7004
7005         case Tabular::UNSET_LTFIRSTHEAD:
7006                 flag = false;
7007                 // fall through
7008         case Tabular::SET_LTFIRSTHEAD:
7009                 tabular.getRowOfLTFirstHead(row, ltt);
7010                 checkLongtableSpecial(ltt, value, flag);
7011                 tabular.setLTHead(row, flag, ltt, true);
7012                 break;
7013
7014         case Tabular::UNSET_LTHEAD:
7015                 flag = false;
7016                 // fall through
7017         case Tabular::SET_LTHEAD:
7018                 tabular.getRowOfLTHead(row, ltt);
7019                 checkLongtableSpecial(ltt, value, flag);
7020                 tabular.setLTHead(row, flag, ltt, false);
7021                 break;
7022
7023         case Tabular::UNSET_LTFOOT:
7024                 flag = false;
7025                 // fall through
7026         case Tabular::SET_LTFOOT:
7027                 tabular.getRowOfLTFoot(row, ltt);
7028                 checkLongtableSpecial(ltt, value, flag);
7029                 tabular.setLTFoot(row, flag, ltt, false);
7030                 break;
7031
7032         case Tabular::UNSET_LTLASTFOOT:
7033                 flag = false;
7034                 // fall through
7035         case Tabular::SET_LTLASTFOOT:
7036                 tabular.getRowOfLTLastFoot(row, ltt);
7037                 checkLongtableSpecial(ltt, value, flag);
7038                 tabular.setLTFoot(row, flag, ltt, true);
7039                 break;
7040
7041         case Tabular::UNSET_LTNEWPAGE:
7042                 flag = false;
7043                 // fall through
7044         case Tabular::SET_LTNEWPAGE:
7045                 tabular.setLTNewPage(row, flag);
7046                 break;
7047
7048         case Tabular::SET_LTCAPTION: {
7049                 if (tabular.ltCaption(row))
7050                         break;
7051                 cur.idx() = tabular.setLTCaption(cur, row, true);
7052                 cur.pit() = 0;
7053                 cur.pos() = 0;
7054                 cur.selection(false);
7055                 // If a row is set as caption, then also insert
7056                 // a caption. Otherwise the LaTeX output is broken.
7057                 // Select cell if it is non-empty
7058                 if (cur.lastpos() > 0 || cur.lastpit() > 0)
7059                         lyx::dispatch(FuncRequest(LFUN_INSET_SELECT_ALL));
7060                 lyx::dispatch(FuncRequest(LFUN_CAPTION_INSERT));
7061                 break;
7062         }
7063
7064         case Tabular::UNSET_LTCAPTION: {
7065                 if (!tabular.ltCaption(row))
7066                         break;
7067                 cur.idx() = tabular.setLTCaption(cur, row, false);
7068                 cur.pit() = 0;
7069                 cur.pos() = 0;
7070                 cur.selection(false);
7071                 FuncRequest fr(LFUN_INSET_DISSOLVE, "caption");
7072                 if (lyx::getStatus(fr).enabled())
7073                         lyx::dispatch(fr);
7074                 break;
7075         }
7076
7077         case Tabular::TOGGLE_LTCAPTION: {
7078                 if (tabular.ltCaption(row))
7079                         tabularFeatures(cur, Tabular::UNSET_LTCAPTION);
7080                 else
7081                         tabularFeatures(cur, Tabular::SET_LTCAPTION);
7082                 break;
7083         }
7084
7085         case Tabular::TOGGLE_BOOKTABS:
7086                 tabular.use_booktabs = !tabular.use_booktabs;
7087                 break;
7088
7089         case Tabular::SET_BOOKTABS:
7090                 tabular.use_booktabs = true;
7091                 break;
7092
7093         case Tabular::UNSET_BOOKTABS:
7094                 tabular.use_booktabs = false;
7095                 break;
7096
7097         case Tabular::SET_TOP_SPACE: {
7098                 Length len;
7099                 if (value == "default")
7100                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7101                                 tabular.row_info[r].top_space_default = true;
7102                 else if (value == "none")
7103                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7104                                 tabular.row_info[r].top_space_default = false;
7105                                 tabular.row_info[r].top_space = len;
7106                         }
7107                 else if (isValidLength(value, &len))
7108                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7109                                 tabular.row_info[r].top_space_default = false;
7110                                 tabular.row_info[r].top_space = len;
7111                         }
7112                 break;
7113         }
7114
7115         case Tabular::SET_BOTTOM_SPACE: {
7116                 Length len;
7117                 if (value == "default")
7118                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7119                                 tabular.row_info[r].bottom_space_default = true;
7120                 else if (value == "none")
7121                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7122                                 tabular.row_info[r].bottom_space_default = false;
7123                                 tabular.row_info[r].bottom_space = len;
7124                         }
7125                 else if (isValidLength(value, &len))
7126                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7127                                 tabular.row_info[r].bottom_space_default = false;
7128                                 tabular.row_info[r].bottom_space = len;
7129                         }
7130                 break;
7131         }
7132
7133         case Tabular::SET_INTERLINE_SPACE: {
7134                 Length len;
7135                 if (value == "default")
7136                         for (row_type r = sel_row_start; r <= sel_row_end; ++r)
7137                                 tabular.row_info[r].interline_space_default = true;
7138                 else if (value == "none")
7139                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7140                                 tabular.row_info[r].interline_space_default = false;
7141                                 tabular.row_info[r].interline_space = len;
7142                         }
7143                 else if (isValidLength(value, &len))
7144                         for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
7145                                 tabular.row_info[r].interline_space_default = false;
7146                                 tabular.row_info[r].interline_space = len;
7147                         }
7148                 break;
7149         }
7150
7151         case Tabular::SET_DECIMAL_POINT:
7152                 for (col_type c = sel_col_start; c <= sel_col_end; ++c)
7153                         tabular.column_info[c].decimal_point = from_utf8(value);
7154                 break;
7155
7156         // dummy stuff just to avoid warnings
7157         case Tabular::LAST_ACTION:
7158                 break;
7159         }
7160 }
7161
7162
7163 bool InsetTabular::copySelection(Cursor & cur)
7164 {
7165         if (!cur.selection())
7166                 return false;
7167
7168         row_type rs, re;
7169         col_type cs, ce;
7170         getSelection(cur, rs, re, cs, ce);
7171
7172         paste_tabular.reset(new Tabular(tabular));
7173
7174         for (row_type r = 0; r < rs; ++r)
7175                 paste_tabular->deleteRow(0, true);
7176
7177         row_type const rows = re - rs + 1;
7178         while (paste_tabular->nrows() > rows)
7179                 paste_tabular->deleteRow(rows, true);
7180
7181         for (col_type c = 0; c < cs; ++c)
7182                 paste_tabular->deleteColumn(0, true);
7183
7184         col_type const columns = ce - cs + 1;
7185         while (paste_tabular->ncols() > columns)
7186                 paste_tabular->deleteColumn(columns, true);
7187
7188         paste_tabular->setBuffer(tabular.buffer());
7189
7190         odocstringstream os;
7191         OutputParams const runparams(nullptr);
7192         paste_tabular->plaintext(os, runparams, 0, true, '\t', INT_MAX);
7193         // Needed for the "Edit->Paste recent" menu and the system clipboard.
7194         cap::copySelection(cur, os.str());
7195
7196         // mark tabular stack dirty
7197         // FIXME: this is a workaround for bug 1919. Should be removed for 1.5,
7198         // when we (hopefully) have a one-for-all paste mechanism.
7199         // This must be called after cap::copySelection.
7200         dirtyTabularStack(true);
7201
7202         return true;
7203 }
7204
7205
7206 bool InsetTabular::pasteClipboard(Cursor & cur)
7207 {
7208         if (!paste_tabular)
7209                 return false;
7210         col_type actcol = tabular.cellColumn(cur.idx());
7211         row_type actrow = tabular.cellRow(cur.idx());
7212
7213         if (cur.selIsMultiCell()) {
7214                 row_type re;
7215                 col_type ce;
7216                 getSelection(cur, actrow, re, actcol, ce);
7217         }
7218
7219         col_type const oldncols = tabular.ncols();
7220         for (row_type r1 = 0, r2 = actrow; r1 < paste_tabular->nrows(); ++r1, ++r2) {
7221                 // Append rows if needed
7222                 if (r2 == tabular.nrows())
7223                         tabular.insertRow(r2 - 1, false);
7224                 for (col_type c1 = 0, c2 = actcol; c1 < paste_tabular->ncols(); ++c1, ++c2) {
7225                         // Append columns if needed
7226                         if (c2 == tabular.ncols())
7227                                 tabular.insertColumn(c2 - 1, false);
7228                         if (paste_tabular->isPartOfMultiColumn(r1, c1) &&
7229                               tabular.isPartOfMultiColumn(r2, c2))
7230                                 continue;
7231                         if (paste_tabular->isPartOfMultiColumn(r1, c1)) {
7232                                 --c2;
7233                                 continue;
7234                         }
7235                         if (tabular.isPartOfMultiColumn(r2, c2)) {
7236                                 --c1;
7237                                 continue;
7238                         }
7239                         shared_ptr<InsetTableCell> inset(
7240                                 new InsetTableCell(*paste_tabular->cellInset(r1, c1)));
7241                         tabular.setCellInset(r2, c2, inset);
7242                         // FIXME?: why do we need to do this explicitly? (EL)
7243                         tabular.cellInset(r2, c2)->setBuffer(tabular.buffer());
7244
7245                         if (!lyxrc.ct_markup_copied) {
7246                                 // do not paste deleted text
7247                                 inset->acceptChanges();
7248                                 inset->setChange(Change(buffer().params().track_changes ?
7249                                                 Change::INSERTED : Change::UNCHANGED));
7250                         }
7251                         cur.pos() = 0;
7252                         cur.pit() = 0;
7253                 }
7254         }
7255         // amend cursor position if cols have been appended
7256         cur.idx() += actrow * (tabular.ncols() - oldncols);
7257         return true;
7258 }
7259
7260
7261 void InsetTabular::cutSelection(Cursor & cur)
7262 {
7263         if (!cur.selection())
7264                 return;
7265
7266         row_type rs, re;
7267         col_type cs, ce;
7268         getSelection(cur, rs, re, cs, ce);
7269         for (row_type r = rs; r <= re; ++r) {
7270                 for (col_type c = cs; c <= ce; ++c) {
7271                         shared_ptr<InsetTableCell> t
7272                                 = cell(tabular.cellIndex(r, c));
7273                         if (buffer().params().track_changes)
7274                                 // FIXME: Change tracking (MG)
7275                                 t->setChange(Change(Change::DELETED));
7276                         else
7277                                 t->clear();
7278                 }
7279         }
7280
7281         // cursor position might be invalid now
7282         if (cur.pit() > cur.lastpit())
7283                 cur.pit() = cur.lastpit();
7284         if (cur.pos() > cur.lastpos())
7285                 cur.pos() = cur.lastpos();
7286         cur.clearSelection();
7287 }
7288
7289
7290 bool InsetTabular::isRightToLeft(Cursor & cur) const
7291 {
7292         // LASSERT: It might be better to abandon this Buffer.
7293         LASSERT(cur.depth() > 1, return false);
7294         Paragraph const & parentpar = cur[cur.depth() - 2].paragraph();
7295         pos_type const parentpos = cur[cur.depth() - 2].pos();
7296         return parentpar.getFontSettings(buffer().params(),
7297                                          parentpos).language()->rightToLeft();
7298 }
7299
7300
7301 docstring InsetTabular::asString(idx_type stidx, idx_type enidx,
7302                                  bool intoInsets)
7303 {
7304         LASSERT(stidx <= enidx, return docstring());
7305         docstring retval;
7306         col_type const col1 = tabular.cellColumn(stidx);
7307         col_type const col2 = tabular.cellColumn(enidx);
7308         row_type const row1 = tabular.cellRow(stidx);
7309         row_type const row2 = tabular.cellRow(enidx);
7310         bool first = true;
7311         for (col_type col = col1; col <= col2; col++)
7312                 for (row_type row = row1; row <= row2; row++) {
7313                         if (!first)
7314                                 retval += "\n";
7315                         else
7316                                 first = false;
7317                         retval += tabular.cellInset(row, col)->asString(intoInsets);
7318                 }
7319         return retval;
7320 }
7321
7322
7323 ParagraphList InsetTabular::asParList(idx_type stidx, idx_type enidx)
7324 {
7325         LASSERT(stidx <= enidx, return ParagraphList());
7326         ParagraphList retval;
7327         col_type const col1 = tabular.cellColumn(stidx);
7328         col_type const col2 = tabular.cellColumn(enidx);
7329         row_type const row1 = tabular.cellRow(stidx);
7330         row_type const row2 = tabular.cellRow(enidx);
7331         for (col_type col = col1; col <= col2; col++)
7332                 for (row_type row = row1; row <= row2; row++)
7333                         for (auto par : tabular.cellInset(row, col)->paragraphs())
7334                                 retval.push_back(par);
7335         return retval;
7336 }
7337
7338
7339 void InsetTabular::getSelection(Cursor & cur,
7340         row_type & rs, row_type & re, col_type & cs, col_type & ce) const
7341 {
7342         CursorSlice const & beg = cur.selBegin();
7343         CursorSlice const & end = cur.selEnd();
7344         cs = tabular.cellColumn(beg.idx());
7345         ce = tabular.cellColumn(end.idx());
7346         if (cs > ce)
7347                 swap(cs, ce);
7348
7349         rs = tabular.cellRow(beg.idx());
7350         re = tabular.cellRow(end.idx());
7351         if (rs > re)
7352                 swap(rs, re);
7353 }
7354
7355
7356 Text * InsetTabular::getText(int idx) const
7357 {
7358         return size_t(idx) < nargs() ? cell(idx)->getText(0) : nullptr;
7359 }
7360
7361
7362 bool InsetTabular::isChanged() const
7363 {
7364         for (idx_type idx = 0; idx < nargs(); ++idx) {
7365                 if (cell(idx)->isChanged())
7366                         return true;
7367                 if (tabular.row_info[tabular.cellRow(idx)].change.changed())
7368                         return true;
7369                 if (tabular.column_info[tabular.cellColumn(idx)].change.changed())
7370                         return true;
7371         }
7372         return false;
7373 }
7374
7375
7376 void InsetTabular::setChange(Change const & change)
7377 {
7378         for (idx_type idx = 0; idx < nargs(); ++idx)
7379                 cell(idx)->setChange(change);
7380 }
7381
7382
7383 void InsetTabular::acceptChanges()
7384 {
7385         for (idx_type idx = 0; idx < nargs(); ++idx)
7386                 cell(idx)->acceptChanges();
7387         for (row_type row = 0; row < tabular.nrows(); ++row) {
7388                 if (tabular.row_info[row].change.inserted())
7389                         tabular.row_info[row].change.setUnchanged();
7390                 else if (tabular.row_info[row].change.deleted())
7391                         tabular.deleteRow(row, true);
7392         }
7393         for (col_type col = 0; col < tabular.ncols(); ++col) {
7394                 if (tabular.column_info[col].change.inserted())
7395                         tabular.column_info[col].change.setUnchanged();
7396                 else if (tabular.column_info[col].change.deleted())
7397                         tabular.deleteColumn(col, true);
7398         }
7399         tabular.updateIndexes();
7400 }
7401
7402
7403 void InsetTabular::rejectChanges()
7404 {
7405         for (idx_type idx = 0; idx < nargs(); ++idx)
7406                 cell(idx)->rejectChanges();
7407         for (row_type row = 0; row < tabular.nrows(); ++row) {
7408                 if (tabular.row_info[row].change.deleted())
7409                         tabular.row_info[row].change.setUnchanged();
7410                 else if (tabular.row_info[row].change.inserted())
7411                         tabular.deleteRow(row, true);
7412         }
7413         for (col_type col = 0; col < tabular.ncols(); ++col) {
7414                 if (tabular.column_info[col].change.deleted())
7415                         tabular.column_info[col].change.setUnchanged();
7416                 else if (tabular.column_info[col].change.inserted())
7417                         tabular.deleteColumn(col, true);
7418         }
7419         tabular.updateIndexes();
7420 }
7421
7422
7423 bool InsetTabular::allowParagraphCustomization(idx_type cell) const
7424 {
7425         return tabular.getPWidth(cell).zero();
7426 }
7427
7428
7429 bool InsetTabular::forcePlainLayout(idx_type cell) const
7430 {
7431         return tabular.isMultiColumn(cell) && !tabular.getPWidth(cell).zero();
7432 }
7433
7434
7435 bool InsetTabular::insertPlaintextString(BufferView & bv, docstring const & buf,
7436                                      bool usePaste)
7437 {
7438         if (buf.length() <= 0)
7439                 return true;
7440
7441         col_type cols = 1;
7442         row_type rows = 1;
7443         col_type maxCols = 1;
7444         size_t const len = buf.length();
7445         size_t p = 0;
7446
7447         while (p < len &&
7448                (p = buf.find_first_of(from_ascii("\t\n"), p)) != docstring::npos) {
7449                 switch (buf[p]) {
7450                 case '\t':
7451                         ++cols;
7452                         break;
7453                 case '\n':
7454                         if (p + 1 < len)
7455                                 ++rows;
7456                         maxCols = max(cols, maxCols);
7457                         cols = 1;
7458                         break;
7459                 }
7460                 ++p;
7461         }
7462         maxCols = max(cols, maxCols);
7463         Tabular * loctab;
7464         idx_type cell = 0;
7465         col_type ocol = 0;
7466         row_type row = 0;
7467         if (usePaste) {
7468                 paste_tabular.reset(new Tabular(buffer_, rows, maxCols));
7469                 loctab = paste_tabular.get();
7470                 dirtyTabularStack(true);
7471         } else {
7472                 loctab = &tabular;
7473                 cell = bv.cursor().idx();
7474                 ocol = tabular.cellColumn(cell);
7475                 row = tabular.cellRow(cell);
7476         }
7477
7478         size_t op = 0;
7479         idx_type cells = loctab->numberofcells;
7480         p = 0;
7481         cols = ocol;
7482         rows = loctab->nrows();
7483         col_type columns = loctab->ncols();
7484
7485         while (p < len &&
7486                (p = buf.find_first_of(from_ascii("\t\n"), p)) != docstring::npos)
7487         {
7488                 if (p >= len)
7489                         break;
7490                 switch (buf[p]) {
7491                 case '\t':
7492                         // append column if necessary
7493                         if (cols == columns) {
7494                                 loctab->appendColumn(cols - 1);
7495                                 columns = loctab->ncols();
7496                                 cells = loctab->numberofcells;
7497                                 ++cell;
7498                         }
7499                         if (cols < columns) {
7500                                 shared_ptr<InsetTableCell> inset = loctab->cellInset(cell);
7501                                 Font const font = bv.textMetrics(&inset->text()).
7502                                         displayFont(0, 0);
7503                                 inset->setText(buf.substr(op, p - op), font,
7504                                                buffer().params().track_changes);
7505                                 ++cols;
7506                                 ++cell;
7507                         }
7508                         break;
7509                 case '\n':
7510                         // we can only set this if we are not too far right
7511                         if (cols < columns) {
7512                                 shared_ptr<InsetTableCell> inset = tabular.cellInset(cell);
7513                                 Font const font = bv.textMetrics(&inset->text()).
7514                                         displayFont(0, 0);
7515                                 inset->setText(buf.substr(op, p - op), font,
7516                                                buffer().params().track_changes);
7517                         }
7518                         cols = ocol;
7519                         ++row;
7520                         // append row if necessary
7521                         if (row == rows && p < len - 1) {
7522                                 loctab->appendRow(row - 1);
7523                                 rows = loctab->nrows();
7524                                 cells = loctab->numberofcells;
7525                         }
7526                         if (row < rows)
7527                                 cell = loctab->cellIndex(row, cols);
7528                         break;
7529                 }
7530                 ++p;
7531                 op = p;
7532         }
7533         // check for the last cell if there is no trailing '\n'
7534         if (cell < cells && op < len) {
7535                 shared_ptr<InsetTableCell> inset = loctab->cellInset(cell);
7536                 Font const font = bv.textMetrics(&inset->text()).displayFont(0, 0);
7537                 inset->setText(buf.substr(op, len - op), font,
7538                         buffer().params().track_changes);
7539         }
7540         return true;
7541 }
7542
7543
7544 void InsetTabular::addPreview(DocIterator const & inset_pos,
7545         PreviewLoader & loader) const
7546 {
7547         DocIterator cell_pos = inset_pos;
7548
7549         cell_pos.push_back(CursorSlice(*const_cast<InsetTabular *>(this)));
7550         for (row_type r = 0; r < tabular.nrows(); ++r) {
7551                 for (col_type c = 0; c < tabular.ncols(); ++c) {
7552                         cell_pos.top().idx() = tabular.cellIndex(r, c);
7553                         tabular.cellInset(r, c)->addPreview(cell_pos, loader);
7554                 }
7555         }
7556 }
7557
7558
7559 bool InsetTabular::completionSupported(Cursor const & cur) const
7560 {
7561         Cursor const & bvCur = cur.bv().cursor();
7562         if (&bvCur.inset() != this)
7563                 return false;
7564         return cur.text()->completionSupported(cur);
7565 }
7566
7567
7568 bool InsetTabular::inlineCompletionSupported(Cursor const & cur) const
7569 {
7570         return completionSupported(cur);
7571 }
7572
7573
7574 bool InsetTabular::automaticInlineCompletion() const
7575 {
7576         return lyxrc.completion_inline_text;
7577 }
7578
7579
7580 bool InsetTabular::automaticPopupCompletion() const
7581 {
7582         return lyxrc.completion_popup_text;
7583 }
7584
7585
7586 bool InsetTabular::showCompletionCursor() const
7587 {
7588         return lyxrc.completion_cursor_text;
7589 }
7590
7591
7592 CompletionList const * InsetTabular::createCompletionList(Cursor const & cur) const
7593 {
7594         return completionSupported(cur) ? cur.text()->createCompletionList(cur) : nullptr;
7595 }
7596
7597
7598 docstring InsetTabular::completionPrefix(Cursor const & cur) const
7599 {
7600         if (!completionSupported(cur))
7601                 return docstring();
7602         return cur.text()->completionPrefix(cur);
7603 }
7604
7605
7606 bool InsetTabular::insertCompletion(Cursor & cur, docstring const & s, bool finished)
7607 {
7608         if (!completionSupported(cur))
7609                 return false;
7610
7611         return cur.text()->insertCompletion(cur, s, finished);
7612 }
7613
7614
7615 void InsetTabular::completionPosAndDim(Cursor const & cur, int & x, int & y,
7616                                     Dimension & dim) const
7617 {
7618         TextMetrics const & tm = cur.bv().textMetrics(cur.text());
7619         tm.completionPosAndDim(cur, x, y, dim);
7620 }
7621
7622
7623 void InsetTabular::string2params(string const & in, InsetTabular & inset)
7624 {
7625         istringstream data(in);
7626         Lexer lex;
7627         lex.setStream(data);
7628
7629         if (in.empty())
7630                 return;
7631
7632         string token;
7633         lex >> token;
7634         if (!lex || token != "tabular") {
7635                 LYXERR0("Expected arg 1 to be \"tabular\" in " << in);
7636                 return;
7637         }
7638
7639         // This is part of the inset proper that is usually swallowed
7640         // by Buffer::readInset
7641         lex >> token;
7642         if (!lex || token != "Tabular") {
7643                 LYXERR0("Expected arg 2 to be \"Tabular\" in " << in);
7644                 return;
7645         }
7646
7647         inset.read(lex);
7648 }
7649
7650
7651 string InsetTabular::params2string(InsetTabular const & inset)
7652 {
7653         ostringstream data;
7654         data << "tabular" << ' ';
7655         inset.write(data);
7656         data << "\\end_inset\n";
7657         return data.str();
7658 }
7659
7660
7661 void InsetTabular::setLayoutForHiddenCells(DocumentClass const & dc)
7662 {
7663         for (Tabular::col_type c = 0; c < tabular.ncols(); ++c) {
7664                 for (Tabular::row_type r = 0; r < tabular.nrows(); ++r) {
7665                         if (!tabular.isPartOfMultiColumn(r,c) &&
7666                             !tabular.isPartOfMultiRow(r,c))
7667                                 continue;
7668
7669                         ParagraphList & parlist = tabular.cellInset(r,c)->paragraphs();
7670                         ParagraphList::iterator it = parlist.begin();
7671                         ParagraphList::iterator const en = parlist.end();
7672                         for (; it != en; ++it)
7673                                         it->setLayout(dc.plainLayout());
7674                 }
7675         }
7676 }
7677
7678
7679 } // namespace lyx