src/insets/insettabular.C

   1 /**
   2  * \file insettabular.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Jürgen Vigna
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "insettabular.h"
  14
  15 #include "buffer.h"
  16 #include "bufferparams.h"
  17 #include "BufferView.h"
  18 #include "cursor.h"
  19 #include "CutAndPaste.h"
  20 #include "coordcache.h"
  21 #include "debug.h"
  22 #include "dispatchresult.h"
  23 #include "funcrequest.h"
  24 #include "FuncStatus.h"
  25 #include "gettext.h"
  26 #include "language.h"
  27 #include "LColor.h"
  28 #include "lyx_cb.h"
  29 #include "lyxlex.h"
  30 #include "metricsinfo.h"
  31 #include "outputparams.h"
  32 #include "paragraph.h"
  33 #include "paragraph_funcs.h"
  34 #include "ParagraphParameters.h"
  35 #include "undo.h"
  36
  37 #include "support/convert.h"
  38
  39 #include "frontends/Alert.h"
  40 #include "frontends/Clipboard.h"
  41 #include "frontends/Painter.h"
  42 #include "frontends/Selection.h"
  43 #include "frontends/nullpainter.h"
  44
  45 #include <sstream>
  46 #include <iostream>
  47 #include <limits>
  48
  49 using lyx::docstring;
  50 using lyx::Point;
  51
  52 using lyx::cap::dirtyTabularStack;
  53 using lyx::cap::tabularStackDirty;
  54
  55 using lyx::graphics::PreviewLoader;
  56
  57 using lyx::support::ltrim;
  58
  59 using lyx::frontend::Painter;
  60 using lyx::frontend::Clipboard;
  61
  62 using boost::shared_ptr;
  63
  64 using std::auto_ptr;
  65 using std::endl;
  66 using std::max;
  67 using std::string;
  68 using std::istringstream;
  69 using std::ostream;
  70 using std::ostringstream;
  71 using std::swap;
  72 using std::vector;
  73
  74 namespace Alert = lyx::frontend::Alert;
  75
  76
  77 namespace {
  78
  79 int const ADD_TO_HEIGHT = 2;
  80 int const ADD_TO_TABULAR_WIDTH = 2;
  81 int const default_line_space = 10;
  82
  83 ///
  84 boost::scoped_ptr<LyXTabular> paste_tabular;
  85
  86
  87 struct TabularFeature {
  88         LyXTabular::Feature action;
  89         string feature;
  90 };
  91
  92
  93 TabularFeature tabularFeature[] =
  94 {
  95         { LyXTabular::APPEND_ROW, "append-row" },
  96         { LyXTabular::APPEND_COLUMN, "append-column" },
  97         { LyXTabular::DELETE_ROW, "delete-row" },
  98         { LyXTabular::DELETE_COLUMN, "delete-column" },
  99         { LyXTabular::COPY_ROW, "copy-row" },
 100         { LyXTabular::COPY_COLUMN, "copy-column" },
 101         { LyXTabular::TOGGLE_LINE_TOP, "toggle-line-top" },
 102         { LyXTabular::TOGGLE_LINE_BOTTOM, "toggle-line-bottom" },
 103         { LyXTabular::TOGGLE_LINE_LEFT, "toggle-line-left" },
 104         { LyXTabular::TOGGLE_LINE_RIGHT, "toggle-line-right" },
 105         { LyXTabular::ALIGN_LEFT, "align-left" },
 106         { LyXTabular::ALIGN_RIGHT, "align-right" },
 107         { LyXTabular::ALIGN_CENTER, "align-center" },
 108         { LyXTabular::ALIGN_BLOCK, "align-block" },
 109         { LyXTabular::VALIGN_TOP, "valign-top" },
 110         { LyXTabular::VALIGN_BOTTOM, "valign-bottom" },
 111         { LyXTabular::VALIGN_MIDDLE, "valign-middle" },
 112         { LyXTabular::M_TOGGLE_LINE_TOP, "m-toggle-line-top" },
 113         { LyXTabular::M_TOGGLE_LINE_BOTTOM, "m-toggle-line-bottom" },
 114         { LyXTabular::M_TOGGLE_LINE_LEFT, "m-toggle-line-left" },
 115         { LyXTabular::M_TOGGLE_LINE_RIGHT, "m-toggle-line-right" },
 116         { LyXTabular::M_ALIGN_LEFT, "m-align-left" },
 117         { LyXTabular::M_ALIGN_RIGHT, "m-align-right" },
 118         { LyXTabular::M_ALIGN_CENTER, "m-align-center" },
 119         { LyXTabular::M_VALIGN_TOP, "m-valign-top" },
 120         { LyXTabular::M_VALIGN_BOTTOM, "m-valign-bottom" },
 121         { LyXTabular::M_VALIGN_MIDDLE, "m-valign-middle" },
 122         { LyXTabular::MULTICOLUMN, "multicolumn" },
 123         { LyXTabular::SET_ALL_LINES, "set-all-lines" },
 124         { LyXTabular::UNSET_ALL_LINES, "unset-all-lines" },
 125         { LyXTabular::SET_LONGTABULAR, "set-longtabular" },
 126         { LyXTabular::UNSET_LONGTABULAR, "unset-longtabular" },
 127         { LyXTabular::SET_PWIDTH, "set-pwidth" },
 128         { LyXTabular::SET_MPWIDTH, "set-mpwidth" },
 129         { LyXTabular::SET_ROTATE_TABULAR, "set-rotate-tabular" },
 130         { LyXTabular::UNSET_ROTATE_TABULAR, "unset-rotate-tabular" },
 131         { LyXTabular::SET_ROTATE_CELL, "set-rotate-cell" },
 132         { LyXTabular::UNSET_ROTATE_CELL, "unset-rotate-cell" },
 133         { LyXTabular::SET_USEBOX, "set-usebox" },
 134         { LyXTabular::SET_LTHEAD, "set-lthead" },
 135         { LyXTabular::UNSET_LTHEAD, "unset-lthead" },
 136         { LyXTabular::SET_LTFIRSTHEAD, "set-ltfirsthead" },
 137         { LyXTabular::UNSET_LTFIRSTHEAD, "unset-ltfirsthead" },
 138         { LyXTabular::SET_LTFOOT, "set-ltfoot" },
 139         { LyXTabular::UNSET_LTFOOT, "unset-ltfoot" },
 140         { LyXTabular::SET_LTLASTFOOT, "set-ltlastfoot" },
 141         { LyXTabular::UNSET_LTLASTFOOT, "unset-ltlastfoot" },
 142         { LyXTabular::SET_LTNEWPAGE, "set-ltnewpage" },
 143         { LyXTabular::SET_SPECIAL_COLUMN, "set-special-column" },
 144         { LyXTabular::SET_SPECIAL_MULTI, "set-special-multi" },
 145         { LyXTabular::SET_BOOKTABS, "set-booktabs" },
 146         { LyXTabular::UNSET_BOOKTABS, "unset-booktabs" },
 147         { LyXTabular::SET_TOP_SPACE, "set-top-space" },
 148         { LyXTabular::SET_BOTTOM_SPACE, "set-bottom-space" },
 149         { LyXTabular::SET_INTERLINE_SPACE, "set-interline-space" },
 150         { LyXTabular::LAST_ACTION, "" }
 151 };
 152
 153
 154 class FeatureEqual : public std::unary_function<TabularFeature, bool> {
 155 public:
 156         FeatureEqual(LyXTabular::Feature feature)
 157                 : feature_(feature) {}
 158         bool operator()(TabularFeature const & tf) const {
 159                 return tf.action == feature_;
 160         }
 161 private:
 162         LyXTabular::Feature feature_;
 163 };
 164
 165 } // namespace anon
 166
 167
 168 string const featureAsString(LyXTabular::Feature feature)
 169 {
 170         TabularFeature * end = tabularFeature +
 171                 sizeof(tabularFeature) / sizeof(TabularFeature);
 172         TabularFeature * it = std::find_if(tabularFeature, end,
 173                                            FeatureEqual(feature));
 174         return (it == end) ? string() : it->feature;
 175 }
 176
 177
 178 bool InsetTabular::hasPasteBuffer() const
 179 {
 180         return (paste_tabular.get() != 0);
 181 }
 182
 183
 184 InsetTabular::InsetTabular(Buffer const & buf, row_type rows,
 185                            col_type columns)
 186         : tabular(buf.params(), max(rows, row_type(1)),
 187           max(columns, col_type(1))), buffer_(&buf), scx_(0)
 188 {}
 189
 190
 191 InsetTabular::InsetTabular(InsetTabular const & tab)
 192         : InsetOld(tab), tabular(tab.tabular),
 193                 buffer_(tab.buffer_), scx_(0)
 194 {}
 195
 196
 197 InsetTabular::~InsetTabular()
 198 {
 199         InsetTabularMailer(*this).hideDialog();
 200 }
 201
 202
 203 auto_ptr<InsetBase> InsetTabular::doClone() const
 204 {
 205         return auto_ptr<InsetBase>(new InsetTabular(*this));
 206 }
 207
 208
 209 Buffer const & InsetTabular::buffer() const
 210 {
 211         return *buffer_;
 212 }
 213
 214
 215 void InsetTabular::buffer(Buffer const * b)
 216 {
 217         buffer_ = b;
 218 }
 219
 220
 221 void InsetTabular::write(Buffer const & buf, ostream & os) const
 222 {
 223         os << "Tabular" << endl;
 224         tabular.write(buf, os);
 225 }
 226
 227
 228 void InsetTabular::read(Buffer const & buf, LyXLex & lex)
 229 {
 230         bool const old_format = (lex.getString() == "\\LyXTable");
 231
 232         tabular.read(buf, lex);
 233
 234         if (old_format)
 235                 return;
 236
 237         lex.next();
 238         string token = lex.getString();
 239         while (lex.isOK() && (token != "\\end_inset")) {
 240                 lex.next();
 241                 token = lex.getString();
 242         }
 243         if (token != "\\end_inset") {
 244                 lex.printError("Missing \\end_inset at this point. "
 245                                "Read: `$$Token'");
 246         }
 247 }
 248
 249
 250 void InsetTabular::metrics(MetricsInfo & mi, Dimension & dim) const
 251 {
 252         //lyxerr << "InsetTabular::metrics: " << mi.base.bv << " width: " <<
 253         //      mi.base.textwidth << "\n";
 254         if (!mi.base.bv) {
 255                 lyxerr << "InsetTabular::metrics: need bv" << endl;
 256                 BOOST_ASSERT(false);
 257         }
 258
 259         row_type i = 0;
 260         for (idx_type cell = 0; i < tabular.rows(); ++i) {
 261                 int maxAsc = 0;
 262                 int maxDesc = 0;
 263                 for (col_type j = 0; j < tabular.columns(); ++j) {
 264                         if (tabular.isPartOfMultiColumn(i, j))
 265                                 // Multicolumn cell, but not first one
 266                                 continue;
 267                         Dimension dim;
 268                         MetricsInfo m = mi;
 269                         LyXLength p_width;
 270                         if (tabular.cell_info[i][j].multicolumn ==
 271                             LyXTabular::CELL_BEGIN_OF_MULTICOLUMN)
 272                                 p_width = tabular.cellinfo_of_cell(cell).p_width;
 273                         else
 274                                 p_width = tabular.column_info[j].p_width;
 275                         if (!p_width.zero())
 276                                 m.base.textwidth = p_width.inPixels(mi.base.textwidth);
 277                         tabular.getCellInset(cell)->metrics(m, dim);
 278                         if (!p_width.zero())
 279                                 dim.wid = m.base.textwidth;
 280                         tabular.setWidthOfCell(cell, dim.wid);
 281                         if (p_width.zero()) {
 282                                 m.base.textwidth = dim.wid + 2 * ADD_TO_TABULAR_WIDTH;
 283                                 // FIXME there must be a way to get rid of
 284                                 // the second metrics call
 285                                 tabular.getCellInset(cell)->metrics(m, dim);
 286                         }
 287                         maxAsc  = max(maxAsc, dim.asc);
 288                         maxDesc = max(maxDesc, dim.des);
 289                         ++cell;
 290                 }
 291                 int const top_space = tabular.row_info[i].top_space_default ?
 292                         default_line_space :
 293                         tabular.row_info[i].top_space.inPixels(mi.base.textwidth);
 294                 tabular.setAscentOfRow(i, maxAsc + ADD_TO_HEIGHT + top_space);
 295                 int const bottom_space = tabular.row_info[i].bottom_space_default ?
 296                         default_line_space :
 297                         tabular.row_info[i].bottom_space.inPixels(mi.base.textwidth);
 298                 tabular.setDescentOfRow(i, maxDesc + ADD_TO_HEIGHT + bottom_space);
 299         }
 300
 301         dim.asc = tabular.getAscentOfRow(0);
 302         dim.des = tabular.getHeightOfTabular() - dim.asc;
 303         dim.wid = tabular.getWidthOfTabular() + 2 * ADD_TO_TABULAR_WIDTH;
 304         dim_ = dim;
 305 }
 306
 307
 308 void InsetTabular::draw(PainterInfo & pi, int x, int y) const
 309 {
 310         setPosCache(pi, x, y);
 311
 312         //lyxerr << "InsetTabular::draw: " << x << " " << y << endl;
 313         BufferView * bv = pi.base.bv;
 314
 315         static lyx::frontend::NullPainter nop;
 316         static PainterInfo nullpi(bv, nop);
 317
 318         //resetPos(bv->cursor());
 319
 320         x += scx_;
 321         x += ADD_TO_TABULAR_WIDTH;
 322
 323         idx_type idx = 0;
 324         first_visible_cell = LyXTabular::npos;
 325         for (row_type i = 0; i < tabular.rows(); ++i) {
 326                 int nx = x;
 327                 int const a = tabular.getAscentOfRow(i);
 328                 int const d = tabular.getDescentOfRow(i);
 329                 idx = tabular.getCellNumber(i, 0);
 330                 for (col_type j = 0; j < tabular.columns(); ++j) {
 331                         if (tabular.isPartOfMultiColumn(i, j))
 332                                 continue;
 333                         if (first_visible_cell == LyXTabular::npos)
 334                                 first_visible_cell = idx;
 335
 336                         int const cx = nx + tabular.getBeginningOfTextInCell(idx);
 337                         if (nx + tabular.getWidthOfColumn(idx) < 0
 338                             || nx > bv->workWidth()
 339                             || y + d < 0
 340                             || y - a > bv->workHeight()) {
 341                                 cell(idx)->draw(nullpi, cx, y);
 342                                 drawCellLines(nop, nx, y, i, idx, pi.erased_);
 343                         } else {
 344                                 cell(idx)->draw(pi, cx, y);
 345                                 drawCellLines(pi.pain, nx, y, i, idx, pi.erased_);
 346                         }
 347                         nx += tabular.getWidthOfColumn(idx);
 348                         ++idx;
 349                 }
 350
 351                 if (i + 1 < tabular.rows())
 352                         y += d + tabular.getAscentOfRow(i + 1) +
 353                                 tabular.getAdditionalHeight(i + 1);
 354         }
 355 }
 356
 357
 358 void InsetTabular::drawSelection(PainterInfo & pi, int x, int y) const
 359 {
 360         setPosCache(pi, x, y);
 361
 362         LCursor & cur = pi.base.bv->cursor();
 363
 364         x += scx_ + ADD_TO_TABULAR_WIDTH;
 365
 366         // Paint background of current tabular
 367         int const w = tabular.getWidthOfTabular();
 368         int const h = tabular.getHeightOfTabular();
 369         int yy = y - tabular.getAscentOfRow(0);
 370         pi.pain.fillRectangle(x, yy, w, h, backgroundColor());
 371
 372         if (!cur.selection())
 373                 return;
 374         if (!ptr_cmp(&cur.inset(), this))
 375                 return;
 376
 377         //resetPos(cur);
 378
 379
 380         if (tablemode(cur)) {
 381                 row_type rs, re;
 382                 col_type cs, ce;
 383                 getSelection(cur, rs, re, cs, ce);
 384                 y -= tabular.getAscentOfRow(0);
 385                 for (row_type j = 0; j < tabular.rows(); ++j) {
 386                         int const a = tabular.getAscentOfRow(j);
 387                         int const h = a + tabular.getDescentOfRow(j);
 388                         int xx = x;
 389                         y += tabular.getAdditionalHeight(j);
 390                         for (col_type i = 0; i < tabular.columns(); ++i) {
 391                                 if (tabular.isPartOfMultiColumn(j, i))
 392                                         continue;
 393                                 idx_type const cell =
 394                                         tabular.getCellNumber(j, i);
 395                                 int const w = tabular.getWidthOfColumn(cell);
 396                                 if (i >= cs && i <= ce && j >= rs && j <= re)
 397                                         pi.pain.fillRectangle(xx, y, w, h,
 398                                                               LColor::selection);
 399                                 xx += w;
 400
 401                         }
 402                         y += h;
 403                 }
 404
 405         } else {
 406                 cur.text()->drawSelection(pi, x + getCellXPos(cur.idx()) + tabular.getBeginningOfTextInCell(cur.idx()), 0 /*this value is ignored */);
 407         }
 408 }
 409
 410
 411 void InsetTabular::drawCellLines(Painter & pain, int x, int y,
 412                                  row_type row, idx_type cell, bool erased) const
 413 {
 414         int x2 = x + tabular.getWidthOfColumn(cell);
 415         bool on_off = false;
 416         LColor::color col = LColor::tabularline;
 417         LColor::color onoffcol = LColor::tabularonoffline;
 418
 419         if (erased) {
 420                 col = LColor::strikeout;
 421                 onoffcol = LColor::strikeout;
 422         }
 423
 424         if (!tabular.topAlreadyDrawn(cell)) {
 425                 on_off = !tabular.topLine(cell);
 426                 pain.line(x, y - tabular.getAscentOfRow(row),
 427                           x2, y -  tabular.getAscentOfRow(row),
 428                           on_off ? onoffcol : col,
 429                           on_off ? Painter::line_onoffdash : Painter::line_solid);
 430         }
 431         on_off = !tabular.bottomLine(cell);
 432         pain.line(x, y + tabular.getDescentOfRow(row),
 433                   x2, y + tabular.getDescentOfRow(row),
 434                   on_off ? onoffcol : col,
 435                   on_off ? Painter::line_onoffdash : Painter::line_solid);
 436         if (!tabular.leftAlreadyDrawn(cell)) {
 437                 on_off = !tabular.leftLine(cell);
 438                 pain.line(x, y -  tabular.getAscentOfRow(row),
 439                           x, y +  tabular.getDescentOfRow(row),
 440                           on_off ? onoffcol : col,
 441                           on_off ? Painter::line_onoffdash : Painter::line_solid);
 442         }
 443         on_off = !tabular.rightLine(cell);
 444         pain.line(x2 - tabular.getAdditionalWidth(cell),
 445                   y -  tabular.getAscentOfRow(row),
 446                   x2 - tabular.getAdditionalWidth(cell),
 447                   y +  tabular.getDescentOfRow(row),
 448                   on_off ? onoffcol : col,
 449                   on_off ? Painter::line_onoffdash : Painter::line_solid);
 450 }
 451
 452
 453 docstring const InsetTabular::editMessage() const
 454 {
 455         return _("Opened table");
 456 }
 457
 458
 459 void InsetTabular::edit(LCursor & cur, bool left)
 460 {
 461         //lyxerr << "InsetTabular::edit: " << this << endl;
 462         finishUndo();
 463         cur.selection() = false;
 464         cur.push(*this);
 465         if (left) {
 466                 if (isRightToLeft(cur))
 467                         cur.idx() = tabular.getLastCellInRow(0);
 468                 else
 469                         cur.idx() = 0;
 470                 cur.pit() = 0;
 471                 cur.pos() = 0;
 472         } else {
 473                 if (isRightToLeft(cur))
 474                         cur.idx() = tabular.getFirstCellInRow(tabular.rows() - 1);
 475                 else
 476                         cur.idx() = tabular.getNumberOfCells() - 1;
 477                 cur.pit() = 0;
 478                 cur.pos() = cur.lastpos(); // FIXME crude guess
 479         }
 480         // this accesses the position cache before it is initialized
 481         //resetPos(cur);
 482         //cur.bv().fitCursor();
 483 }
 484
 485
 486 void InsetTabular::doDispatch(LCursor & cur, FuncRequest & cmd)
 487 {
 488         lyxerr[Debug::DEBUG] << "# InsetTabular::doDispatch: cmd: " << cmd
 489                              << "\n  cur:" << cur << endl;
 490         CursorSlice sl = cur.top();
 491         LCursor & bvcur = cur.bv().cursor();
 492
 493         switch (cmd.action) {
 494
 495         case LFUN_MOUSE_PRESS:
 496                 //lyxerr << "# InsetTabular::MousePress\n" << cur.bv().cursor() << endl;
 497
 498                 if (cmd.button() == mouse_button::button1
 499                     || cmd.button() == mouse_button::button3) {
 500                         cur.selection() = false;
 501                         setCursorFromCoordinates(cur, cmd.x, cmd.y);
 502                         cur.resetAnchor();
 503                         bvcur = cur;
 504                         break;
 505                 }
 506
 507                 if (cmd.button() == mouse_button::button2) {
 508                         cmd = FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph");
 509                         doDispatch(cur, cmd);
 510                 }
 511                 break;
 512
 513         case LFUN_MOUSE_MOTION:
 514                 //lyxerr << "# InsetTabular::MouseMotion\n" << bvcur << endl;
 515                 if (cmd.button() == mouse_button::button1) {
 516                         // only accept motions to places not deeper nested than the real anchor
 517                         if (bvcur.anchor_.hasPart(cur)) {
 518                                 setCursorFromCoordinates(cur, cmd.x, cmd.y);
 519                                 bvcur.setCursor(cur);
 520                                 bvcur.selection() = true;
 521                         } else
 522                                 cur.undispatched();
 523                 }
 524                 break;
 525
 526         case LFUN_MOUSE_RELEASE:
 527                 //lyxerr << "# InsetTabular::MouseRelease\n" << bvcur << endl;
 528                 if (cmd.button() == mouse_button::button3)
 529                         InsetTabularMailer(*this).showDialog(&cur.bv());
 530                 break;
 531
 532         case LFUN_CELL_BACKWARD:
 533                 movePrevCell(cur);
 534                 cur.selection() = false;
 535                 break;
 536
 537         case LFUN_CELL_FORWARD:
 538                 moveNextCell(cur);
 539                 cur.selection() = false;
 540                 break;
 541
 542         case LFUN_CHAR_FORWARD_SELECT:
 543         case LFUN_CHAR_FORWARD:
 544                 cell(cur.idx())->dispatch(cur, cmd);
 545                 if (!cur.result().dispatched()) {
 546                         isRightToLeft(cur) ? movePrevCell(cur) : moveNextCell(cur);
 547                         if (sl == cur.top())
 548                                 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 549                         else
 550                                 cur.dispatched();
 551                 }
 552                 break;
 553
 554         case LFUN_CHAR_BACKWARD_SELECT:
 555         case LFUN_CHAR_BACKWARD:
 556                 cell(cur.idx())->dispatch(cur, cmd);
 557                 if (!cur.result().dispatched()) {
 558                         isRightToLeft(cur) ? moveNextCell(cur) : movePrevCell(cur);
 559                         if (sl == cur.top())
 560                                 cmd = FuncRequest(LFUN_FINISHED_LEFT);
 561                         else
 562                                 cur.dispatched();
 563                 }
 564                 break;
 565
 566         case LFUN_DOWN_SELECT:
 567         case LFUN_DOWN:
 568                 cell(cur.idx())->dispatch(cur, cmd);
 569                 cur.dispatched(); // override the cell's decision
 570                 if (sl == cur.top())
 571                         // if our LyXText didn't do anything to the cursor
 572                         // then we try to put the cursor into the cell below
 573                         // setting also the right targetX.
 574                         if (tabular.row_of_cell(cur.idx()) != tabular.rows() - 1) {
 575                                 cur.idx() = tabular.getCellBelow(cur.idx());
 576                                 cur.pit() = 0;
 577                                 cur.pos() = cell(cur.idx())->getText(0)->x2pos(
 578                                         cur.pit(), 0, cur.targetX());
 579                         }
 580                 if (sl == cur.top()) {
 581                         // we trick it to go to the RIGHT after leaving the
 582                         // tabular.
 583                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 584                         cur.undispatched();
 585                 }
 586                 break;
 587
 588         case LFUN_UP_SELECT:
 589         case LFUN_UP:
 590                 cell(cur.idx())->dispatch(cur, cmd);
 591                 cur.dispatched(); // override the cell's decision
 592                 if (sl == cur.top())
 593                         // if our LyXText didn't do anything to the cursor
 594                         // then we try to put the cursor into the cell above
 595                         // setting also the right targetX.
 596                         if (tabular.row_of_cell(cur.idx()) != 0) {
 597                                 cur.idx() = tabular.getCellAbove(cur.idx());
 598                                 cur.pit() = cur.lastpit();
 599                                 LyXText const * text = cell(cur.idx())->getText(0);
 600                                 cur.pos() = text->x2pos(
 601                                         cur.pit(),
 602                                         text->paragraphs().back().rows().size()-1,
 603                                         cur.targetX());
 604                         }
 605                 if (sl == cur.top()) {
 606                         cmd = FuncRequest(LFUN_FINISHED_UP);
 607                         cur.undispatched();
 608                 }
 609                 break;
 610
 611 //      case LFUN_SCREEN_DOWN: {
 612 //              //if (hasSelection())
 613 //              //      cur.selection() = false;
 614 //              col_type const col = tabular.column_of_cell(cur.idx());
 615 //              int const t =   cur.bv().top_y() + cur.bv().height();
 616 //              if (t < yo() + tabular.getHeightOfTabular()) {
 617 //                      cur.bv().scrollDocView(t);
 618 //                      cur.idx() = tabular.getCellBelow(first_visible_cell) + col;
 619 //              } else {
 620 //                      cur.idx() = tabular.getFirstCellInRow(tabular.rows() - 1) + col;
 621 //              }
 622 //              cur.par() = 0;
 623 //              cur.pos() = 0;
 624 //              break;
 625 //      }
 626 //
 627 //      case LFUN_SCREEN_UP: {
 628 //              //if (hasSelection())
 629 //              //      cur.selection() = false;
 630 //              col_type const col = tabular.column_of_cell(cur.idx());
 631 //              int const t =   cur.bv().top_y() + cur.bv().height();
 632 //              if (yo() < 0) {
 633 //                      cur.bv().scrollDocView(t);
 634 //                      if (yo() > 0)
 635 //                              cur.idx() = col;
 636 //                      else
 637 //                              cur.idx() = tabular.getCellBelow(first_visible_cell) + col;
 638 //              } else {
 639 //                      cur.idx() = col;
 640 //              }
 641 //              cur.par() = cur.lastpar();
 642 //              cur.pos() = cur.lastpos();
 643 //              break;
 644 //      }
 645
 646         case LFUN_LAYOUT_TABULAR:
 647                 InsetTabularMailer(*this).showDialog(&cur.bv());
 648                 break;
 649
 650         case LFUN_INSET_DIALOG_UPDATE:
 651                 InsetTabularMailer(*this).updateDialog(&cur.bv());
 652                 break;
 653
 654         case LFUN_TABULAR_FEATURE:
 655                 if (!tabularFeatures(cur, lyx::to_utf8(cmd.argument())))
 656                         cur.undispatched();
 657                 break;
 658
 659         // insert file functions
 660         case LFUN_FILE_INSERT_ASCII_PARA:
 661         case LFUN_FILE_INSERT_ASCII: {
 662                 // FIXME: We don't know the encoding of filenames
 663                 string const tmpstr = getContentsOfAsciiFile(&cur.bv(), lyx::to_utf8(cmd.argument()), false);
 664                 // FIXME: We don't know the encoding of the file
 665                 if (!tmpstr.empty() && !insertAsciiString(cur.bv(), lyx::from_utf8(tmpstr), false))
 666                         cur.undispatched();
 667                 break;
 668         }
 669
 670         case LFUN_CUT:
 671                 if (tablemode(cur)) {
 672                         if (copySelection(cur)) {
 673                                 recordUndoInset(cur, Undo::DELETE);
 674                                 cutSelection(cur);
 675                         }
 676                 }
 677                 else
 678                         cell(cur.idx())->dispatch(cur, cmd);
 679                 break;
 680
 681         case LFUN_CHAR_DELETE_BACKWARD:
 682         case LFUN_CHAR_DELETE_FORWARD:
 683                 if (tablemode(cur)) {
 684                         recordUndoInset(cur, Undo::DELETE);
 685                         cutSelection(cur);
 686                 }
 687                 else
 688                         cell(cur.idx())->dispatch(cur, cmd);
 689                 break;
 690
 691         case LFUN_COPY:
 692                 if (!cur.selection())
 693                         break;
 694                 if (tablemode(cur)) {
 695                         finishUndo();
 696                         copySelection(cur);
 697                 } else
 698                         cell(cur.idx())->dispatch(cur, cmd);
 699                 break;
 700
 701         case LFUN_CLIPBOARD_PASTE:
 702         case LFUN_PRIMARY_SELECTION_PASTE: {
 703                 docstring const clip = (cmd.action == LFUN_CLIPBOARD_PASTE) ?
 704                         theClipboard().get() :
 705                         theSelection().get();
 706                 if (clip.empty())
 707                         break;
 708                 // pass to InsertAsciiString, but
 709                 // only if we have multi-cell content
 710                 if (clip.find_first_of(lyx::from_ascii("\t\n")) != docstring::npos) {
 711                         if (insertAsciiString(cur.bv(), clip, false)) {
 712                                 // content has been replaced,
 713                                 // so cursor might be invalid
 714                                 cur.pos() = cur.lastpos();
 715                                 bvcur.setCursor(cur);
 716                                 break;
 717                         }
 718                 } else {
 719                         // so that the clipboard is used and it goes on
 720                         // to default
 721                         // and executes LFUN_PRIMARY_SELECTION_PASTE in insettext!
 722                         paste_tabular.reset();
 723                         dirtyTabularStack(false);
 724                 }
 725                 // fall through
 726         }
 727
 728         case LFUN_PASTE:
 729                 if (hasPasteBuffer() && tabularStackDirty()) {
 730                         recordUndoInset(cur, Undo::INSERT);
 731                         pasteSelection(cur);
 732                         break;
 733                 }
 734                 cell(cur.idx())->dispatch(cur, cmd);
 735                 break;
 736
 737         case LFUN_FONT_EMPH:
 738         case LFUN_FONT_BOLD:
 739         case LFUN_FONT_ROMAN:
 740         case LFUN_FONT_NOUN:
 741         case LFUN_FONT_ITAL:
 742         case LFUN_FONT_FRAK:
 743         case LFUN_FONT_CODE:
 744         case LFUN_FONT_SANS:
 745         case LFUN_FONT_FREE_APPLY:
 746         case LFUN_FONT_FREE_UPDATE:
 747         case LFUN_FONT_SIZE:
 748         case LFUN_FONT_UNDERLINE:
 749         case LFUN_LANGUAGE:
 750         case LFUN_WORD_CAPITALIZE:
 751         case LFUN_WORD_UPCASE:
 752         case LFUN_WORD_LOWCASE:
 753         case LFUN_CHARS_TRANSPOSE:
 754                 if (tablemode(cur)) {
 755                         row_type rs, re;
 756                         col_type cs, ce;
 757                         getSelection(cur, rs, re, cs, ce);
 758                         LCursor tmpcur = cur;
 759                         for (row_type i = rs; i <= re; ++i) {
 760                                 for (col_type j = cs; j <= ce; ++j) {
 761                                         // cursor follows cell:
 762                                         tmpcur.idx() = tabular.getCellNumber(i, j);
 763                                         // select this cell only:
 764                                         tmpcur.pit() = 0;
 765                                         tmpcur.pos() = 0;
 766                                         tmpcur.resetAnchor();
 767                                         tmpcur.pit() = tmpcur.lastpit();
 768                                         tmpcur.pos() = tmpcur.top().lastpos();
 769                                         tmpcur.setCursor(tmpcur);
 770                                         tmpcur.setSelection();
 771                                         cell(tmpcur.idx())->dispatch(tmpcur, cmd);
 772                                 }
 773                         }
 774                         break;
 775                 } else {
 776                         cell(cur.idx())->dispatch(cur, cmd);
 777                         break;
 778                 }
 779         default:
 780                 // we try to handle this event in the insets dispatch function.
 781                 cell(cur.idx())->dispatch(cur, cmd);
 782                 break;
 783         }
 784
 785         resetPos(cur);
 786         InsetTabularMailer(*this).updateDialog(&cur.bv());
 787 }
 788
 789
 790 // function sets an object as defined in func_status.h:
 791 // states OK, Unknown, Disabled, On, Off.
 792 bool InsetTabular::getStatus(LCursor & cur, FuncRequest const & cmd,
 793         FuncStatus & status) const
 794 {
 795         switch (cmd.action) {
 796         case LFUN_TABULAR_FEATURE: {
 797                 int action = LyXTabular::LAST_ACTION;
 798                 int i = 0;
 799                 for (; tabularFeature[i].action != LyXTabular::LAST_ACTION; ++i) {
 800                         string const tmp = tabularFeature[i].feature;
 801                         if (tmp == lyx::to_utf8(cmd.argument()).substr(0, tmp.length())) {
 802                                 action = tabularFeature[i].action;
 803                                 break;
 804                         }
 805                 }
 806                 if (action == LyXTabular::LAST_ACTION) {
 807                         status.clear();
 808                         status.unknown(true);
 809                         return true;
 810                 }
 811
 812                 string const argument
 813                         = ltrim(lyx::to_utf8(cmd.argument()).substr(tabularFeature[i].feature.length()));
 814
 815                 row_type sel_row_start = 0;
 816                 row_type sel_row_end = 0;
 817                 col_type dummy;
 818                 LyXTabular::ltType dummyltt;
 819                 bool flag = true;
 820
 821                 getSelection(cur, sel_row_start, sel_row_end, dummy, dummy);
 822
 823                 switch (action) {
 824                 case LyXTabular::SET_PWIDTH:
 825                 case LyXTabular::SET_MPWIDTH:
 826                 case LyXTabular::SET_SPECIAL_COLUMN:
 827                 case LyXTabular::SET_SPECIAL_MULTI:
 828                 case LyXTabular::APPEND_ROW:
 829                 case LyXTabular::APPEND_COLUMN:
 830                 case LyXTabular::DELETE_ROW:
 831                 case LyXTabular::DELETE_COLUMN:
 832                 case LyXTabular::COPY_ROW:
 833                 case LyXTabular::COPY_COLUMN:
 834                 case LyXTabular::SET_ALL_LINES:
 835                 case LyXTabular::UNSET_ALL_LINES:
 836                 case LyXTabular::SET_TOP_SPACE:
 837                 case LyXTabular::SET_BOTTOM_SPACE:
 838                 case LyXTabular::SET_INTERLINE_SPACE:
 839                         status.clear();
 840                         return true;
 841
 842                 case LyXTabular::MULTICOLUMN:
 843                         status.setOnOff(tabular.isMultiColumn(cur.idx()));
 844                         break;
 845
 846                 case LyXTabular::M_TOGGLE_LINE_TOP:
 847                         flag = false;
 848                 case LyXTabular::TOGGLE_LINE_TOP:
 849                         status.setOnOff(tabular.topLine(cur.idx(), flag));
 850                         break;
 851
 852                 case LyXTabular::M_TOGGLE_LINE_BOTTOM:
 853                         flag = false;
 854                 case LyXTabular::TOGGLE_LINE_BOTTOM:
 855                         status.setOnOff(tabular.bottomLine(cur.idx(), flag));
 856                         break;
 857
 858                 case LyXTabular::M_TOGGLE_LINE_LEFT:
 859                         flag = false;
 860                 case LyXTabular::TOGGLE_LINE_LEFT:
 861                         status.setOnOff(tabular.leftLine(cur.idx(), flag));
 862                         break;
 863
 864                 case LyXTabular::M_TOGGLE_LINE_RIGHT:
 865                         flag = false;
 866                 case LyXTabular::TOGGLE_LINE_RIGHT:
 867                         status.setOnOff(tabular.rightLine(cur.idx(), flag));
 868                         break;
 869
 870                 case LyXTabular::M_ALIGN_LEFT:
 871                         flag = false;
 872                 case LyXTabular::ALIGN_LEFT:
 873                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_LEFT);
 874                         break;
 875
 876                 case LyXTabular::M_ALIGN_RIGHT:
 877                         flag = false;
 878                 case LyXTabular::ALIGN_RIGHT:
 879                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_RIGHT);
 880                         break;
 881
 882                 case LyXTabular::M_ALIGN_CENTER:
 883                         flag = false;
 884                 case LyXTabular::ALIGN_CENTER:
 885                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_CENTER);
 886                         break;
 887
 888                 case LyXTabular::ALIGN_BLOCK:
 889                         status.enabled(!tabular.getPWidth(cur.idx()).zero());
 890                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_BLOCK);
 891                         break;
 892
 893                 case LyXTabular::M_VALIGN_TOP:
 894                         flag = false;
 895                 case LyXTabular::VALIGN_TOP:
 896                         status.setOnOff(
 897                                 tabular.getVAlignment(cur.idx(), flag) == LyXTabular::LYX_VALIGN_TOP);
 898                         break;
 899
 900                 case LyXTabular::M_VALIGN_BOTTOM:
 901                         flag = false;
 902                 case LyXTabular::VALIGN_BOTTOM:
 903                         status.setOnOff(
 904                                 tabular.getVAlignment(cur.idx(), flag) == LyXTabular::LYX_VALIGN_BOTTOM);
 905                         break;
 906
 907                 case LyXTabular::M_VALIGN_MIDDLE:
 908                         flag = false;
 909                 case LyXTabular::VALIGN_MIDDLE:
 910                         status.setOnOff(
 911                                 tabular.getVAlignment(cur.idx(), flag) == LyXTabular::LYX_VALIGN_MIDDLE);
 912                         break;
 913
 914                 case LyXTabular::SET_LONGTABULAR:
 915                         status.setOnOff(tabular.isLongTabular());
 916                         break;
 917
 918                 case LyXTabular::UNSET_LONGTABULAR:
 919                         status.setOnOff(!tabular.isLongTabular());
 920                         break;
 921
 922                 case LyXTabular::SET_ROTATE_TABULAR:
 923                         status.setOnOff(tabular.getRotateTabular());
 924                         break;
 925
 926                 case LyXTabular::UNSET_ROTATE_TABULAR:
 927                         status.setOnOff(!tabular.getRotateTabular());
 928                         break;
 929
 930                 case LyXTabular::SET_ROTATE_CELL:
 931                         status.setOnOff(tabular.getRotateCell(cur.idx()));
 932                         break;
 933
 934                 case LyXTabular::UNSET_ROTATE_CELL:
 935                         status.setOnOff(!tabular.getRotateCell(cur.idx()));
 936                         break;
 937
 938                 case LyXTabular::SET_USEBOX:
 939                         status.setOnOff(convert<int>(argument) == tabular.getUsebox(cur.idx()));
 940                         break;
 941
 942                 case LyXTabular::SET_LTFIRSTHEAD:
 943                         status.setOnOff(tabular.getRowOfLTHead(sel_row_start, dummyltt));
 944                         break;
 945
 946                 case LyXTabular::UNSET_LTFIRSTHEAD:
 947                         status.setOnOff(!tabular.getRowOfLTHead(sel_row_start, dummyltt));
 948                         break;
 949
 950                 case LyXTabular::SET_LTHEAD:
 951                         status.setOnOff(tabular.getRowOfLTHead(sel_row_start, dummyltt));
 952                         break;
 953
 954                 case LyXTabular::UNSET_LTHEAD:
 955                         status.setOnOff(!tabular.getRowOfLTHead(sel_row_start, dummyltt));
 956                         break;
 957
 958                 case LyXTabular::SET_LTFOOT:
 959                         status.setOnOff(tabular.getRowOfLTFoot(sel_row_start, dummyltt));
 960                         break;
 961
 962                 case LyXTabular::UNSET_LTFOOT:
 963                         status.setOnOff(!tabular.getRowOfLTFoot(sel_row_start, dummyltt));
 964                         break;
 965
 966                 case LyXTabular::SET_LTLASTFOOT:
 967                         status.setOnOff(tabular.getRowOfLTFoot(sel_row_start, dummyltt));
 968                         break;
 969
 970                 case LyXTabular::UNSET_LTLASTFOOT:
 971                         status.setOnOff(!tabular.getRowOfLTFoot(sel_row_start, dummyltt));
 972                         break;
 973
 974                 case LyXTabular::SET_LTNEWPAGE:
 975                         status.setOnOff(tabular.getLTNewPage(sel_row_start));
 976                         break;
 977
 978                 case LyXTabular::SET_BOOKTABS:
 979                         status.setOnOff(tabular.useBookTabs());
 980                         break;
 981
 982                 case LyXTabular::UNSET_BOOKTABS:
 983                         status.setOnOff(!tabular.useBookTabs());
 984                         break;
 985
 986                 default:
 987                         status.clear();
 988                         status.enabled(false);
 989                         break;
 990                 }
 991                 return true;
 992         }
 993
 994         // These are only enabled inside tabular
 995         case LFUN_CELL_BACKWARD:
 996         case LFUN_CELL_FORWARD:
 997                 status.enabled(true);
 998                 return true;
 999
1000         // disable these with multiple cells selected
1001         case LFUN_INSET_INSERT:
1002         case LFUN_TABULAR_INSERT:
1003         case LFUN_CHARSTYLE_INSERT:
1004         case LFUN_FLOAT_INSERT:
1005         case LFUN_FLOAT_WIDE_INSERT:
1006         case LFUN_FOOTNOTE_INSERT:
1007         case LFUN_MARGINALNOTE_INSERT:
1008         case LFUN_MATH_INSERT:
1009         case LFUN_MATH_MODE:
1010         case LFUN_MATH_MUTATE:
1011         case LFUN_MATH_DISPLAY:
1012         case LFUN_NOTE_INSERT:
1013         case LFUN_OPTIONAL_INSERT:
1014         case LFUN_BOX_INSERT:
1015         case LFUN_BRANCH_INSERT:
1016         case LFUN_WRAP_INSERT:
1017         case LFUN_ERT_INSERT: {
1018                 if (tablemode(cur)) {
1019                         status.enabled(false);
1020                         return true;
1021                 } else
1022                         return cell(cur.idx())->getStatus(cur, cmd, status);
1023         }
1024
1025         // disable in non-fixed-width cells
1026         case LFUN_BREAK_LINE:
1027         case LFUN_BREAK_PARAGRAPH:
1028         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1029         case LFUN_BREAK_PARAGRAPH_SKIP: {
1030                 if (tabular.getPWidth(cur.idx()).zero()) {
1031                         status.enabled(false);
1032                         return true;
1033                 } else
1034                         return cell(cur.idx())->getStatus(cur, cmd, status);
1035         }
1036
1037         case LFUN_PASTE:
1038                 if (tabularStackDirty()) {
1039                         status.enabled(true);
1040                         return true;
1041                 }
1042
1043         case LFUN_INSET_MODIFY:
1044                 if (translate(cmd.getArg(0)) == TABULAR_CODE) {
1045                         status.enabled(true);
1046                         return true;
1047                 }
1048                 // Fall through
1049
1050         default:
1051                 // we try to handle this event in the insets dispatch function.
1052                 return cell(cur.idx())->getStatus(cur, cmd, status);
1053         }
1054 }
1055
1056
1057 int InsetTabular::latex(Buffer const & buf, ostream & os,
1058                         OutputParams const & runparams) const
1059 {
1060         return tabular.latex(buf, os, runparams);
1061 }
1062
1063
1064 int InsetTabular::plaintext(Buffer const & buf, lyx::odocstream & os,
1065                         OutputParams const & runparams) const
1066 {
1067         int const dp = runparams.linelen ? runparams.depth : 0;
1068         return tabular.plaintext(buf, os, runparams, dp, false, 0);
1069 }
1070
1071
1072 int InsetTabular::docbook(Buffer const & buf, ostream & os,
1073                           OutputParams const & runparams) const
1074 {
1075         int ret = 0;
1076         InsetBase * master = 0;
1077
1078 #ifdef WITH_WARNINGS
1079 #warning Why not pass a proper DocIterator here?
1080 #endif
1081 #if 0
1082         // if the table is inside a float it doesn't need the informaltable
1083         // wrapper. Search for it.
1084         for (master = owner(); master; master = master->owner())
1085                 if (master->lyxCode() == InsetBase::FLOAT_CODE)
1086                         break;
1087 #endif
1088
1089         if (!master) {
1090                 os << "<informaltable>";
1091                 ++ret;
1092         }
1093         ret += tabular.docbook(buf, os, runparams);
1094         if (!master) {
1095                 os << "</informaltable>";
1096                 ++ret;
1097         }
1098         return ret;
1099 }
1100
1101
1102 void InsetTabular::validate(LaTeXFeatures & features) const
1103 {
1104         tabular.validate(features);
1105 }
1106
1107
1108 shared_ptr<InsetText const> InsetTabular::cell(idx_type idx) const
1109 {
1110         return tabular.getCellInset(idx);
1111 }
1112
1113
1114 shared_ptr<InsetText> InsetTabular::cell(idx_type idx)
1115 {
1116         return tabular.getCellInset(idx);
1117 }
1118
1119
1120 void InsetTabular::cursorPos
1121         (CursorSlice const & sl, bool boundary, int & x, int & y) const
1122 {
1123         cell(sl.idx())->cursorPos(sl, boundary, x, y);
1124
1125         // y offset     correction
1126         int const row = tabular.row_of_cell(sl.idx());
1127         for (int i = 0; i <= row; ++i) {
1128                 if (i != 0) {
1129                         y += tabular.getAscentOfRow(i);
1130                         y += tabular.getAdditionalHeight(i);
1131                 }
1132                 if (i != row)
1133                         y += tabular.getDescentOfRow(i);
1134         }
1135
1136         // x offset correction
1137         int const col = tabular.column_of_cell(sl.idx());
1138         int idx = tabular.getCellNumber(row, 0);
1139         for (int j = 0; j < col; ++j) {
1140                 if (tabular.isPartOfMultiColumn(row, j))
1141                         continue;
1142                 x += tabular.getWidthOfColumn(idx);
1143                 ++idx;
1144         }
1145         x += tabular.getBeginningOfTextInCell(idx);
1146         x += ADD_TO_TABULAR_WIDTH;
1147         x += scx_;
1148 }
1149
1150
1151 int InsetTabular::dist(BufferView & bv, idx_type const cell, int x, int y) const
1152 {
1153         int xx = 0;
1154         int yy = 0;
1155         InsetBase const & inset = *tabular.getCellInset(cell);
1156         Point o = bv.coordCache().getInsets().xy(&inset);
1157         int const xbeg = o.x_ - tabular.getBeginningOfTextInCell(cell);
1158         int const xend = xbeg + tabular.getWidthOfColumn(cell);
1159         row_type const row = tabular.row_of_cell(cell);
1160         int const ybeg = o.y_ - tabular.getAscentOfRow(row) -
1161                          tabular.getAdditionalHeight(row);
1162         int const yend = o.y_ + tabular.getDescentOfRow(row);
1163
1164         if (x < xbeg)
1165                 xx = xbeg - x;
1166         else if (x > xend)
1167                 xx = x - xend;
1168
1169         if (y < ybeg)
1170                 yy = ybeg - y;
1171         else if (y > yend)
1172                 yy = y - yend;
1173
1174         //lyxerr << " xbeg=" << xbeg << "  xend=" << xend
1175         //       << " ybeg=" << ybeg << " yend=" << yend
1176         //       << " xx=" << xx << " yy=" << yy
1177         //       << " dist=" << xx + yy << endl;
1178         return xx + yy;
1179 }
1180
1181
1182 InsetBase * InsetTabular::editXY(LCursor & cur, int x, int y)
1183 {
1184         //lyxerr << "InsetTabular::editXY: " << this << endl;
1185         cur.selection() = false;
1186         cur.push(*this);
1187         cur.idx() = getNearestCell(cur.bv(), x, y);
1188         resetPos(cur);
1189         return cell(cur.idx())->text_.editXY(cur, x, y);
1190 }
1191
1192
1193 void InsetTabular::setCursorFromCoordinates(LCursor & cur, int x, int y) const
1194 {
1195         cur.idx() = getNearestCell(cur.bv(), x, y);
1196         cell(cur.idx())->text_.setCursorFromCoordinates(cur, x, y);
1197 }
1198
1199
1200 InsetTabular::idx_type InsetTabular::getNearestCell(BufferView & bv, int x, int y) const
1201 {
1202         idx_type idx_min = 0;
1203         int dist_min = std::numeric_limits<int>::max();
1204         for (idx_type i = 0, n = nargs(); i != n; ++i) {
1205                 if (bv.coordCache().getInsets().has(tabular.getCellInset(i).get())) {
1206                         int const d = dist(bv, i, x, y);
1207                         if (d < dist_min) {
1208                                 dist_min = d;
1209                                 idx_min = i;
1210                         }
1211                 }
1212         }
1213         return idx_min;
1214 }
1215
1216
1217 int InsetTabular::getCellXPos(idx_type const cell) const
1218 {
1219         idx_type c = cell;
1220
1221         for (; !tabular.isFirstCellInRow(c); --c)
1222                 ;
1223         int lx = tabular.getWidthOfColumn(cell);
1224         for (; c < cell; ++c)
1225                 lx += tabular.getWidthOfColumn(c);
1226
1227         return lx - tabular.getWidthOfColumn(cell);
1228 }
1229
1230
1231 void InsetTabular::resetPos(LCursor & cur) const
1232 {
1233         BufferView & bv = cur.bv();
1234         int const maxwidth = bv.workWidth();
1235
1236         if (&cur.inset() != this) {
1237                 scx_ = 0;
1238         } else {
1239                 int const X1 = 0;
1240                 int const X2 = maxwidth;
1241                 int const offset = ADD_TO_TABULAR_WIDTH + 2;
1242                 int const x1 = xo(cur.bv()) + getCellXPos(cur.idx()) + offset;
1243                 int const x2 = x1 + tabular.getWidthOfColumn(cur.idx());
1244
1245                 if (x1 < X1)
1246                         scx_ = X1 + 20 - x1;
1247                 else if (x2 > X2)
1248                         scx_ = X2 - 20 - x2;
1249                 else
1250                         scx_ = 0;
1251         }
1252
1253         cur.needsUpdate();
1254
1255         InsetTabularMailer(*this).updateDialog(&bv);
1256 }
1257
1258
1259 void InsetTabular::moveNextCell(LCursor & cur)
1260 {
1261         if (isRightToLeft(cur)) {
1262                 if (tabular.isFirstCellInRow(cur.idx())) {
1263                         row_type const row = tabular.row_of_cell(cur.idx());
1264                         if (row == tabular.rows() - 1)
1265                                 return;
1266                         cur.idx() = tabular.getCellBelow(tabular.getLastCellInRow(row));
1267                 } else {
1268                         if (cur.idx() == 0)
1269                                 return;
1270                         --cur.idx();
1271                 }
1272         } else {
1273                 if (tabular.isLastCell(cur.idx()))
1274                         return;
1275                 ++cur.idx();
1276         }
1277         cur.pit() = 0;
1278         cur.pos() = 0;
1279         resetPos(cur);
1280 }
1281
1282
1283 void InsetTabular::movePrevCell(LCursor & cur)
1284 {
1285         if (isRightToLeft(cur)) {
1286                 if (tabular.isLastCellInRow(cur.idx())) {
1287                         row_type const row = tabular.row_of_cell(cur.idx());
1288                         if (row == 0)
1289                                 return;
1290                         cur.idx() = tabular.getFirstCellInRow(row);
1291                         cur.idx() = tabular.getCellAbove(cur.idx());
1292                 } else {
1293                         if (tabular.isLastCell(cur.idx()))
1294                                 return;
1295                         ++cur.idx();
1296                 }
1297         } else {
1298                 if (cur.idx() == 0) // first cell
1299                         return;
1300                 --cur.idx();
1301         }
1302         cur.pit() = cur.lastpit();
1303         cur.pos() = cur.lastpos();
1304         resetPos(cur);
1305 }
1306
1307
1308 bool InsetTabular::tabularFeatures(LCursor & cur, string const & what)
1309 {
1310         LyXTabular::Feature action = LyXTabular::LAST_ACTION;
1311
1312         int i = 0;
1313         for (; tabularFeature[i].action != LyXTabular::LAST_ACTION; ++i) {
1314                 string const tmp = tabularFeature[i].feature;
1315
1316                 if (tmp == what.substr(0, tmp.length())) {
1317                         //if (!compare(tabularFeatures[i].feature.c_str(), what.c_str(),
1318                         //tabularFeatures[i].feature.length())) {
1319                         action = tabularFeature[i].action;
1320                         break;
1321                 }
1322         }
1323         if (action == LyXTabular::LAST_ACTION)
1324                 return false;
1325
1326         string const val =
1327                 ltrim(what.substr(tabularFeature[i].feature.length()));
1328         tabularFeatures(cur, action, val);
1329         return true;
1330 }
1331
1332
1333 namespace {
1334
1335 void checkLongtableSpecial(LyXTabular::ltType & ltt,
1336                           string const & special, bool & flag)
1337 {
1338         if (special == "dl_above") {
1339                 ltt.topDL = flag;
1340                 ltt.set = false;
1341         } else if (special == "dl_below") {
1342                 ltt.bottomDL = flag;
1343                 ltt.set = false;
1344         } else if (special == "empty") {
1345                 ltt.empty = flag;
1346                 ltt.set = false;
1347         } else if (flag) {
1348                 ltt.empty = false;
1349                 ltt.set = true;
1350         }
1351 }
1352
1353 } // anon namespace
1354
1355
1356 void InsetTabular::tabularFeatures(LCursor & cur,
1357         LyXTabular::Feature feature, string const & value)
1358 {
1359         BufferView & bv = cur.bv();
1360         col_type sel_col_start;
1361         col_type sel_col_end;
1362         row_type sel_row_start;
1363         row_type sel_row_end;
1364         bool setLines = false;
1365         LyXAlignment setAlign = LYX_ALIGN_LEFT;
1366         LyXTabular::VAlignment setVAlign = LyXTabular::LYX_VALIGN_TOP;
1367
1368         switch (feature) {
1369
1370         case LyXTabular::M_ALIGN_LEFT:
1371         case LyXTabular::ALIGN_LEFT:
1372                 setAlign = LYX_ALIGN_LEFT;
1373                 break;
1374
1375         case LyXTabular::M_ALIGN_RIGHT:
1376         case LyXTabular::ALIGN_RIGHT:
1377                 setAlign = LYX_ALIGN_RIGHT;
1378                 break;
1379
1380         case LyXTabular::M_ALIGN_CENTER:
1381         case LyXTabular::ALIGN_CENTER:
1382                 setAlign = LYX_ALIGN_CENTER;
1383                 break;
1384
1385         case LyXTabular::ALIGN_BLOCK:
1386                 setAlign = LYX_ALIGN_BLOCK;
1387                 break;
1388
1389         case LyXTabular::M_VALIGN_TOP:
1390         case LyXTabular::VALIGN_TOP:
1391                 setVAlign = LyXTabular::LYX_VALIGN_TOP;
1392                 break;
1393
1394         case LyXTabular::M_VALIGN_BOTTOM:
1395         case LyXTabular::VALIGN_BOTTOM:
1396                 setVAlign = LyXTabular::LYX_VALIGN_BOTTOM;
1397                 break;
1398
1399         case LyXTabular::M_VALIGN_MIDDLE:
1400         case LyXTabular::VALIGN_MIDDLE:
1401                 setVAlign = LyXTabular::LYX_VALIGN_MIDDLE;
1402                 break;
1403
1404         default:
1405                 break;
1406         }
1407
1408         recordUndoInset(cur, Undo::ATOMIC);
1409
1410         getSelection(cur, sel_row_start, sel_row_end, sel_col_start, sel_col_end);
1411         row_type const row = tabular.row_of_cell(cur.idx());
1412         col_type const column = tabular.column_of_cell(cur.idx());
1413         bool flag = true;
1414         LyXTabular::ltType ltt;
1415
1416         switch (feature) {
1417
1418         case LyXTabular::SET_PWIDTH: {
1419                 LyXLength const len(value);
1420                 tabular.setColumnPWidth(cur, cur.idx(), len);
1421                 if (len.zero()
1422                     && tabular.getAlignment(cur.idx(), true) == LYX_ALIGN_BLOCK)
1423                         tabularFeatures(cur, LyXTabular::ALIGN_CENTER, string());
1424                 break;
1425         }
1426
1427         case LyXTabular::SET_MPWIDTH:
1428                 tabular.setMColumnPWidth(cur, cur.idx(), LyXLength(value));
1429                 break;
1430
1431         case LyXTabular::SET_SPECIAL_COLUMN:
1432         case LyXTabular::SET_SPECIAL_MULTI:
1433                 tabular.setAlignSpecial(cur.idx(),value,feature);
1434                 break;
1435
1436         case LyXTabular::APPEND_ROW:
1437                 // append the row into the tabular
1438                 tabular.appendRow(bv.buffer()->params(), cur.idx());
1439                 break;
1440
1441         case LyXTabular::APPEND_COLUMN:
1442                 // append the column into the tabular
1443                 tabular.appendColumn(bv.buffer()->params(), cur.idx());
1444                 cur.idx() = tabular.getCellNumber(row, column);
1445                 break;
1446
1447         case LyXTabular::DELETE_ROW:
1448                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1449                         tabular.deleteRow(sel_row_start);
1450                 if (sel_row_start >= tabular.rows())
1451                         --sel_row_start;
1452                 cur.idx() = tabular.getCellNumber(sel_row_start, column);
1453                 cur.pit() = 0;
1454                 cur.pos() = 0;
1455                 cur.selection() = false;
1456                 break;
1457
1458         case LyXTabular::DELETE_COLUMN:
1459                 for (col_type i = sel_col_start; i <= sel_col_end; ++i)
1460                         tabular.deleteColumn(sel_col_start);
1461                 if (sel_col_start >= tabular.columns())
1462                         --sel_col_start;
1463                 cur.idx() = tabular.getCellNumber(row, sel_col_start);
1464                 cur.pit() = 0;
1465                 cur.pos() = 0;
1466                 cur.selection() = false;
1467                 break;
1468
1469         case LyXTabular::COPY_ROW:
1470                 tabular.copyRow(bv.buffer()->params(), row);
1471                 break;
1472
1473         case LyXTabular::COPY_COLUMN:
1474                 tabular.copyColumn(bv.buffer()->params(), column);
1475                 cur.idx() = tabular.getCellNumber(row, column);
1476                 break;
1477
1478         case LyXTabular::M_TOGGLE_LINE_TOP:
1479                 flag = false;
1480         case LyXTabular::TOGGLE_LINE_TOP: {
1481                 bool lineSet = !tabular.topLine(cur.idx(), flag);
1482                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1483                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1484                                 tabular.setTopLine(
1485                                         tabular.getCellNumber(i, j),
1486                                         lineSet, flag);
1487                 break;
1488         }
1489
1490         case LyXTabular::M_TOGGLE_LINE_BOTTOM:
1491                 flag = false;
1492         case LyXTabular::TOGGLE_LINE_BOTTOM: {
1493                 bool lineSet = !tabular.bottomLine(cur.idx(), flag);
1494                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1495                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1496                                 tabular.setBottomLine(
1497                                         tabular.getCellNumber(i, j),
1498                                         lineSet,
1499                                         flag);
1500                 break;
1501         }
1502
1503         case LyXTabular::M_TOGGLE_LINE_LEFT:
1504                 flag = false;
1505         case LyXTabular::TOGGLE_LINE_LEFT: {
1506                 bool lineSet = !tabular.leftLine(cur.idx(), flag);
1507                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1508                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1509                                 tabular.setLeftLine(
1510                                         tabular.getCellNumber(i,j),
1511                                         lineSet,
1512                                         flag);
1513                 break;
1514         }
1515
1516         case LyXTabular::M_TOGGLE_LINE_RIGHT:
1517                 flag = false;
1518         case LyXTabular::TOGGLE_LINE_RIGHT: {
1519                 bool lineSet = !tabular.rightLine(cur.idx(), flag);
1520                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1521                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1522                                 tabular.setRightLine(
1523                                         tabular.getCellNumber(i,j),
1524                                         lineSet,
1525                                         flag);
1526                 break;
1527         }
1528
1529         case LyXTabular::M_ALIGN_LEFT:
1530         case LyXTabular::M_ALIGN_RIGHT:
1531         case LyXTabular::M_ALIGN_CENTER:
1532                 flag = false;
1533         case LyXTabular::ALIGN_LEFT:
1534         case LyXTabular::ALIGN_RIGHT:
1535         case LyXTabular::ALIGN_CENTER:
1536         case LyXTabular::ALIGN_BLOCK:
1537                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1538                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1539                                 tabular.setAlignment(
1540                                         tabular.getCellNumber(i, j),
1541                                         setAlign,
1542                                         flag);
1543                 break;
1544
1545         case LyXTabular::M_VALIGN_TOP:
1546         case LyXTabular::M_VALIGN_BOTTOM:
1547         case LyXTabular::M_VALIGN_MIDDLE:
1548                 flag = false;
1549         case LyXTabular::VALIGN_TOP:
1550         case LyXTabular::VALIGN_BOTTOM:
1551         case LyXTabular::VALIGN_MIDDLE:
1552                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1553                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1554                                 tabular.setVAlignment(
1555                                         tabular.getCellNumber(i, j),
1556                                         setVAlign, flag);
1557                 break;
1558
1559         case LyXTabular::MULTICOLUMN: {
1560                 if (sel_row_start != sel_row_end) {
1561 #ifdef WITH_WARNINGS
1562 #warning Need I say it ? This is horrible.
1563 #endif
1564                         // FIXME UNICODE
1565                         Alert::error(_("Error setting multicolumn"),
1566                                      _("You cannot set multicolumn vertically."));
1567                         return;
1568                 }
1569                 if (!cur.selection()) {
1570                         // just multicol for one single cell
1571                         // check whether we are completely in a multicol
1572                         if (tabular.isMultiColumn(cur.idx()))
1573                                 tabular.unsetMultiColumn(cur.idx());
1574                         else
1575                                 tabular.setMultiColumn(bv.buffer(), cur.idx(), 1);
1576                         break;
1577                 }
1578                 // we have a selection so this means we just add all this
1579                 // cells to form a multicolumn cell
1580                 idx_type const s_start = cur.selBegin().idx();
1581                 idx_type const s_end = cur.selEnd().idx();
1582                 tabular.setMultiColumn(bv.buffer(), s_start, s_end - s_start + 1);
1583                 cur.idx() = s_start;
1584                 cur.pit() = 0;
1585                 cur.pos() = 0;
1586                 cur.selection() = false;
1587                 break;
1588         }
1589
1590         case LyXTabular::SET_ALL_LINES:
1591                 setLines = true;
1592         case LyXTabular::UNSET_ALL_LINES:
1593                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1594                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1595                                 tabular.setAllLines(
1596                                         tabular.getCellNumber(i,j), setLines);
1597                 break;
1598
1599         case LyXTabular::SET_LONGTABULAR:
1600                 tabular.setLongTabular(true);
1601                 break;
1602
1603         case LyXTabular::UNSET_LONGTABULAR:
1604                 tabular.setLongTabular(false);
1605                 break;
1606
1607         case LyXTabular::SET_ROTATE_TABULAR:
1608                 tabular.setRotateTabular(true);
1609                 break;
1610
1611         case LyXTabular::UNSET_ROTATE_TABULAR:
1612                 tabular.setRotateTabular(false);
1613                 break;
1614
1615         case LyXTabular::SET_ROTATE_CELL:
1616                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1617                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1618                                 tabular.setRotateCell(
1619                                         tabular.getCellNumber(i, j), true);
1620                 break;
1621
1622         case LyXTabular::UNSET_ROTATE_CELL:
1623                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1624                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1625                                 tabular.setRotateCell(
1626                                         tabular.getCellNumber(i, j), false);
1627                 break;
1628
1629         case LyXTabular::SET_USEBOX: {
1630                 LyXTabular::BoxType val = LyXTabular::BoxType(convert<int>(value));
1631                 if (val == tabular.getUsebox(cur.idx()))
1632                         val = LyXTabular::BOX_NONE;
1633                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1634                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1635                                 tabular.setUsebox(tabular.getCellNumber(i, j), val);
1636                 break;
1637         }
1638
1639         case LyXTabular::UNSET_LTFIRSTHEAD:
1640                 flag = false;
1641         case LyXTabular::SET_LTFIRSTHEAD:
1642                 tabular.getRowOfLTFirstHead(row, ltt);
1643                 checkLongtableSpecial(ltt, value, flag);
1644                 tabular.setLTHead(row, flag, ltt, true);
1645                 break;
1646
1647         case LyXTabular::UNSET_LTHEAD:
1648                 flag = false;
1649         case LyXTabular::SET_LTHEAD:
1650                 tabular.getRowOfLTHead(row, ltt);
1651                 checkLongtableSpecial(ltt, value, flag);
1652                 tabular.setLTHead(row, flag, ltt, false);
1653                 break;
1654
1655         case LyXTabular::UNSET_LTFOOT:
1656                 flag = false;
1657         case LyXTabular::SET_LTFOOT:
1658                 tabular.getRowOfLTFoot(row, ltt);
1659                 checkLongtableSpecial(ltt, value, flag);
1660                 tabular.setLTFoot(row, flag, ltt, false);
1661                 break;
1662
1663         case LyXTabular::UNSET_LTLASTFOOT:
1664                 flag = false;
1665         case LyXTabular::SET_LTLASTFOOT:
1666                 tabular.getRowOfLTLastFoot(row, ltt);
1667                 checkLongtableSpecial(ltt, value, flag);
1668                 tabular.setLTFoot(row, flag, ltt, true);
1669                 break;
1670
1671         case LyXTabular::SET_LTNEWPAGE:
1672                 tabular.setLTNewPage(row, !tabular.getLTNewPage(row));
1673                 break;
1674
1675         case LyXTabular::SET_BOOKTABS:
1676                 tabular.setBookTabs(true);
1677                 break;
1678
1679         case LyXTabular::UNSET_BOOKTABS:
1680                 tabular.setBookTabs(false);
1681                 break;
1682
1683         case LyXTabular::SET_TOP_SPACE: {
1684                 LyXLength len;
1685                 if (value == "default")
1686                         for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1687                                 tabular.row_info[i].top_space_default = true;
1688                 else if (isValidLength(value, &len))
1689                         for (row_type i = sel_row_start; i <= sel_row_end; ++i) {
1690                                 tabular.row_info[i].top_space_default = false;
1691                                 tabular.row_info[i].top_space = len;
1692                         }
1693                 else
1694                         for (row_type i = sel_row_start; i <= sel_row_end; ++i) {
1695                                 tabular.row_info[i].top_space_default = false;
1696                                 tabular.row_info[i].top_space = len;
1697                         }
1698                 break;
1699         }
1700
1701         case LyXTabular::SET_BOTTOM_SPACE: {
1702                 LyXLength len;
1703                 if (value == "default")
1704                         for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1705                                 tabular.row_info[i].bottom_space_default = true;
1706                 else if (isValidLength(value, &len))
1707                         for (row_type i = sel_row_start; i <= sel_row_end; ++i) {
1708                                 tabular.row_info[i].bottom_space_default = false;
1709                                 tabular.row_info[i].bottom_space = len;
1710                         }
1711                 else
1712                         for (row_type i = sel_row_start; i <= sel_row_end; ++i) {
1713                                 tabular.row_info[i].bottom_space_default = false;
1714                                 tabular.row_info[i].bottom_space = len;
1715                         }
1716                 break;
1717         }
1718
1719         case LyXTabular::SET_INTERLINE_SPACE: {
1720                 LyXLength len;
1721                 if (value == "default")
1722                         for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1723                                 tabular.row_info[i].interline_space_default = true;
1724                 else if (isValidLength(value, &len))
1725                         for (row_type i = sel_row_start; i <= sel_row_end; ++i) {
1726                                 tabular.row_info[i].interline_space_default = false;
1727                                 tabular.row_info[i].interline_space = len;
1728                         }
1729                 else
1730                         for (row_type i = sel_row_start; i <= sel_row_end; ++i) {
1731                                 tabular.row_info[i].interline_space_default = false;
1732                                 tabular.row_info[i].interline_space = len;
1733                         }
1734                 break;
1735         }
1736
1737         // dummy stuff just to avoid warnings
1738         case LyXTabular::LAST_ACTION:
1739                 break;
1740         }
1741
1742         InsetTabularMailer(*this).updateDialog(&bv);
1743 }
1744
1745
1746 bool InsetTabular::showInsetDialog(BufferView * bv) const
1747 {
1748         InsetTabularMailer(*this).showDialog(bv);
1749         return true;
1750 }
1751
1752
1753 void InsetTabular::openLayoutDialog(BufferView * bv) const
1754 {
1755         InsetTabularMailer(*this).showDialog(bv);
1756 }
1757
1758
1759 bool InsetTabular::copySelection(LCursor & cur)
1760 {
1761         if (!cur.selection())
1762                 return false;
1763
1764         row_type rs, re;
1765         col_type cs, ce;
1766         getSelection(cur, rs, re, cs, ce);
1767
1768         paste_tabular.reset(new LyXTabular(tabular));
1769
1770         for (row_type i = 0; i < rs; ++i)
1771                 paste_tabular->deleteRow(0);
1772
1773         row_type const rows = re - rs + 1;
1774         while (paste_tabular->rows() > rows)
1775                 paste_tabular->deleteRow(rows);
1776
1777         paste_tabular->setTopLine(0, true, true);
1778         paste_tabular->setBottomLine(paste_tabular->getFirstCellInRow(rows - 1),
1779                                      true, true);
1780
1781         for (col_type i = 0; i < cs; ++i)
1782                 paste_tabular->deleteColumn(0);
1783
1784         col_type const columns = ce - cs + 1;
1785         while (paste_tabular->columns() > columns)
1786                 paste_tabular->deleteColumn(columns);
1787
1788         paste_tabular->setLeftLine(0, true, true);
1789         paste_tabular->setRightLine(paste_tabular->getLastCellInRow(0),
1790                                     true, true);
1791
1792         lyx::odocstringstream os;
1793         OutputParams const runparams;
1794         paste_tabular->plaintext(cur.buffer(), os, runparams, 0, true, '\t');
1795         theClipboard().put(os.str());
1796         // mark tabular stack dirty
1797         // FIXME: this is a workaround for bug 1919. Should be removed for 1.5,
1798         // when we (hopefully) have a one-for-all paste mechanism.
1799         lyx::cap::dirtyTabularStack(true);
1800
1801         return true;
1802 }
1803
1804
1805 bool InsetTabular::pasteSelection(LCursor & cur)
1806 {
1807         if (!paste_tabular)
1808                 return false;
1809         col_type const actcol = tabular.column_of_cell(cur.idx());
1810         row_type const actrow = tabular.row_of_cell(cur.idx());
1811         for (row_type r1 = 0, r2 = actrow;
1812              r1 < paste_tabular->rows() && r2 < tabular.rows();
1813              ++r1, ++r2) {
1814                 for (col_type c1 = 0, c2 = actcol;
1815                     c1 < paste_tabular->columns() && c2 < tabular.columns();
1816                     ++c1, ++c2) {
1817                         if (paste_tabular->isPartOfMultiColumn(r1, c1) &&
1818                             tabular.isPartOfMultiColumn(r2, c2))
1819                                 continue;
1820                         if (paste_tabular->isPartOfMultiColumn(r1, c1)) {
1821                                 --c2;
1822                                 continue;
1823                         }
1824                         if (tabular.isPartOfMultiColumn(r2, c2)) {
1825                                 --c1;
1826                                 continue;
1827                         }
1828                         shared_ptr<InsetText> inset(
1829                                 new InsetText(*paste_tabular->getCellInset(r1, c1)));
1830                         tabular.setCellInset(r2, c2, inset);
1831                         inset->markNew();
1832                         cur.pos() = 0;
1833                 }
1834         }
1835         return true;
1836 }
1837
1838
1839 void InsetTabular::cutSelection(LCursor & cur)
1840 {
1841         if (!cur.selection())
1842                 return;
1843
1844         row_type rs, re;
1845         col_type cs, ce;
1846         getSelection(cur, rs, re, cs, ce);
1847         for (row_type i = rs; i <= re; ++i) {
1848                 for (col_type j = cs; j <= ce; ++j) {
1849                         shared_ptr<InsetText> t
1850                                 = cell(tabular.getCellNumber(i, j));
1851                         if (cur.buffer().params().trackChanges)
1852                                 // FIXME: Change tracking (MG)
1853                                 t->markErased(true);
1854                         else
1855                                 t->clear();
1856                 }
1857         }
1858
1859         // cursor position might be invalid now
1860         if (cur.pit() > cur.lastpit())
1861                 cur.pit() = cur.lastpit();
1862         if (cur.pos() > cur.lastpos())
1863                 cur.pos() = cur.lastpos();
1864         cur.clearSelection();
1865 }
1866
1867
1868 bool InsetTabular::isRightToLeft(LCursor & cur) const
1869 {
1870         BOOST_ASSERT(cur.depth() > 1);
1871         Paragraph const & parentpar = cur[cur.depth() - 2].paragraph();
1872         LCursor::pos_type const parentpos = cur[cur.depth() - 2].pos();
1873         return parentpar.getFontSettings(cur.bv().buffer()->params(),
1874                                          parentpos).language()->rightToLeft();
1875 }
1876
1877
1878 void InsetTabular::getSelection(LCursor & cur,
1879         row_type & rs, row_type & re, col_type & cs, col_type & ce) const
1880 {
1881         CursorSlice const & beg = cur.selBegin();
1882         CursorSlice const & end = cur.selEnd();
1883         cs = tabular.column_of_cell(beg.idx());
1884         ce = tabular.column_of_cell(end.idx());
1885         if (cs > ce) {
1886                 ce = cs;
1887                 cs = tabular.column_of_cell(end.idx());
1888         } else {
1889                 ce = tabular.right_column_of_cell(end.idx());
1890         }
1891
1892         rs = tabular.row_of_cell(beg.idx());
1893         re = tabular.row_of_cell(end.idx());
1894         if (rs > re)
1895                 swap(rs, re);
1896 }
1897
1898
1899 LyXText * InsetTabular::getText(int idx) const
1900 {
1901         return size_t(idx) < nargs() ? cell(idx)->getText(0) : 0;
1902 }
1903
1904
1905 void InsetTabular::markErased(bool erased)
1906 {
1907         for (idx_type idx = 0; idx < nargs(); ++idx)
1908                 cell(idx)->markErased(erased);
1909 }
1910
1911
1912 bool InsetTabular::forceDefaultParagraphs(idx_type cell) const
1913 {
1914         return tabular.getPWidth(cell).zero();
1915 }
1916
1917
1918 bool InsetTabular::insertAsciiString(BufferView & bv, docstring const & buf,
1919                                      bool usePaste)
1920 {
1921         if (buf.length() <= 0)
1922                 return true;
1923
1924         col_type cols = 1;
1925         row_type rows = 1;
1926         col_type maxCols = 1;
1927         docstring::size_type const len = buf.length();
1928         docstring::size_type p = 0;
1929
1930         while (p < len &&
1931                (p = buf.find_first_of(lyx::from_ascii("\t\n"), p)) != docstring::npos) {
1932                 switch (buf[p]) {
1933                 case '\t':
1934                         ++cols;
1935                         break;
1936                 case '\n':
1937                         if (p + 1 < len)
1938                                 ++rows;
1939                         maxCols = max(cols, maxCols);
1940                         cols = 1;
1941                         break;
1942                 }
1943                 ++p;
1944         }
1945         maxCols = max(cols, maxCols);
1946         LyXTabular * loctab;
1947         idx_type cell = 0;
1948         col_type ocol = 0;
1949         row_type row = 0;
1950         if (usePaste) {
1951                 paste_tabular.reset(
1952                         new LyXTabular(bv.buffer()->params(), rows, maxCols));
1953                 loctab = paste_tabular.get();
1954                 cols = 0;
1955                 dirtyTabularStack(true);
1956         } else {
1957                 loctab = &tabular;
1958                 cell = bv.cursor().idx();
1959                 ocol = tabular.column_of_cell(cell);
1960                 row = tabular.row_of_cell(cell);
1961         }
1962
1963         docstring::size_type op = 0;
1964         idx_type const cells = loctab->getNumberOfCells();
1965         p = 0;
1966         cols = ocol;
1967         rows = loctab->rows();
1968         col_type const columns = loctab->columns();
1969
1970         while (cell < cells && p < len && row < rows &&
1971                (p = buf.find_first_of(lyx::from_ascii("\t\n"), p)) != docstring::npos)
1972         {
1973                 if (p >= len)
1974                         break;
1975                 switch (buf[p]) {
1976                 case '\t':
1977                         // we can only set this if we are not too far right
1978                         if (cols < columns) {
1979                                 shared_ptr<InsetText> inset = loctab->getCellInset(cell);
1980                                 inset->setViewCache(&bv);
1981                                 Paragraph & par = inset->text_.getPar(0);
1982                                 LyXFont const font = inset->text_.getFont(par, 0);
1983                                 inset->setText(buf.substr(op, p - op), font);
1984                                 ++cols;
1985                                 ++cell;
1986                         }
1987                         break;
1988                 case '\n':
1989                         // we can only set this if we are not too far right
1990                         if (cols < columns) {
1991                                 shared_ptr<InsetText> inset = tabular.getCellInset(cell);
1992                                 inset->setViewCache(&bv);
1993                                 Paragraph & par = inset->text_.getPar(0);
1994                                 LyXFont const font = inset->text_.getFont(par, 0);
1995                                 inset->setText(buf.substr(op, p - op), font);
1996                         }
1997                         cols = ocol;
1998                         ++row;
1999                         if (row < rows)
2000                                 cell = loctab->getCellNumber(row, cols);
2001                         break;
2002                 }
2003                 ++p;
2004                 op = p;
2005         }
2006         // check for the last cell if there is no trailing '\n'
2007         if (cell < cells && op < len) {
2008                 shared_ptr<InsetText> inset = loctab->getCellInset(cell);
2009                 inset->setViewCache(&bv);
2010                 Paragraph & par = inset->text_.getPar(0);
2011                 LyXFont const font = inset->text_.getFont(par, 0);
2012                 inset->setText(buf.substr(op, len - op), font);
2013         }
2014         return true;
2015 }
2016
2017
2018 void InsetTabular::addPreview(PreviewLoader & loader) const
2019 {
2020         row_type const rows = tabular.rows();
2021         col_type const columns = tabular.columns();
2022         for (row_type i = 0; i < rows; ++i) {
2023                 for (col_type j = 0; j < columns; ++j)
2024                         tabular.getCellInset(i, j)->addPreview(loader);
2025         }
2026 }
2027
2028
2029 bool InsetTabular::tablemode(LCursor & cur) const
2030 {
2031         return cur.selection() && cur.selBegin().idx() != cur.selEnd().idx();
2032 }
2033
2034
2035
2036
2037
2038 string const InsetTabularMailer::name_("tabular");
2039
2040 InsetTabularMailer::InsetTabularMailer(InsetTabular const & inset)
2041         : inset_(const_cast<InsetTabular &>(inset))
2042 {}
2043
2044
2045 string const InsetTabularMailer::inset2string(Buffer const &) const
2046 {
2047         return params2string(inset_);
2048 }
2049
2050
2051 void InsetTabularMailer::string2params(string const & in, InsetTabular & inset)
2052 {
2053         istringstream data(in);
2054         LyXLex lex(0,0);
2055         lex.setStream(data);
2056
2057         if (in.empty())
2058                 return;
2059
2060         string token;
2061         lex >> token;
2062         if (!lex || token != name_)
2063                 return print_mailer_error("InsetTabularMailer", in, 1,
2064                                           name_);
2065
2066         // This is part of the inset proper that is usually swallowed
2067         // by Buffer::readInset
2068         lex >> token;
2069         if (!lex || token != "Tabular")
2070                 return print_mailer_error("InsetTabularMailer", in, 2,
2071                                           "Tabular");
2072
2073         Buffer const & buffer = inset.buffer();
2074         inset.read(buffer, lex);
2075 }
2076
2077
2078 string const InsetTabularMailer::params2string(InsetTabular const & inset)
2079 {
2080         ostringstream data;
2081         data << name_ << ' ';
2082         inset.write(inset.buffer(), data);
2083         data << "\\end_inset\n";
2084         return data.str();
2085 }