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