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
  44 #include <sstream>
  45 #include <iostream>
  46 #include <limits>
  47
  48
  49 namespace lyx {
  50
  51 using cap::dirtyTabularStack;
  52 using cap::tabularStackDirty;
  53
  54 using graphics::PreviewLoader;
  55
  56 using support::ltrim;
  57
  58 using frontend::Painter;
  59 using frontend::Clipboard;
  60
  61 using boost::shared_ptr;
  62
  63 using std::auto_ptr;
  64 using std::endl;
  65 using std::max;
  66 using std::string;
  67 using std::istringstream;
  68 using std::ostream;
  69 using std::ostringstream;
  70 using std::swap;
  71 using std::vector;
  72
  73 namespace Alert = frontend::Alert;
  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::COPY_ROW, "copy-row" },
  99         { LyXTabular::COPY_COLUMN, "copy-column" },
 100         { LyXTabular::TOGGLE_LINE_TOP, "toggle-line-top" },
 101         { LyXTabular::TOGGLE_LINE_BOTTOM, "toggle-line-bottom" },
 102         { LyXTabular::TOGGLE_LINE_LEFT, "toggle-line-left" },
 103         { LyXTabular::TOGGLE_LINE_RIGHT, "toggle-line-right" },
 104         { LyXTabular::ALIGN_LEFT, "align-left" },
 105         { LyXTabular::ALIGN_RIGHT, "align-right" },
 106         { LyXTabular::ALIGN_CENTER, "align-center" },
 107         { LyXTabular::ALIGN_BLOCK, "align-block" },
 108         { LyXTabular::VALIGN_TOP, "valign-top" },
 109         { LyXTabular::VALIGN_BOTTOM, "valign-bottom" },
 110         { LyXTabular::VALIGN_MIDDLE, "valign-middle" },
 111         { LyXTabular::M_TOGGLE_LINE_TOP, "m-toggle-line-top" },
 112         { LyXTabular::M_TOGGLE_LINE_BOTTOM, "m-toggle-line-bottom" },
 113         { LyXTabular::M_TOGGLE_LINE_LEFT, "m-toggle-line-left" },
 114         { LyXTabular::M_TOGGLE_LINE_RIGHT, "m-toggle-line-right" },
 115         { LyXTabular::M_ALIGN_LEFT, "m-align-left" },
 116         { LyXTabular::M_ALIGN_RIGHT, "m-align-right" },
 117         { LyXTabular::M_ALIGN_CENTER, "m-align-center" },
 118         { LyXTabular::M_VALIGN_TOP, "m-valign-top" },
 119         { LyXTabular::M_VALIGN_BOTTOM, "m-valign-bottom" },
 120         { LyXTabular::M_VALIGN_MIDDLE, "m-valign-middle" },
 121         { LyXTabular::MULTICOLUMN, "multicolumn" },
 122         { LyXTabular::SET_ALL_LINES, "set-all-lines" },
 123         { LyXTabular::UNSET_ALL_LINES, "unset-all-lines" },
 124         { LyXTabular::SET_LONGTABULAR, "set-longtabular" },
 125         { LyXTabular::UNSET_LONGTABULAR, "unset-longtabular" },
 126         { LyXTabular::SET_PWIDTH, "set-pwidth" },
 127         { LyXTabular::SET_MPWIDTH, "set-mpwidth" },
 128         { LyXTabular::SET_ROTATE_TABULAR, "set-rotate-tabular" },
 129         { LyXTabular::UNSET_ROTATE_TABULAR, "unset-rotate-tabular" },
 130         { LyXTabular::SET_ROTATE_CELL, "set-rotate-cell" },
 131         { LyXTabular::UNSET_ROTATE_CELL, "unset-rotate-cell" },
 132         { LyXTabular::SET_USEBOX, "set-usebox" },
 133         { LyXTabular::SET_LTHEAD, "set-lthead" },
 134         { LyXTabular::UNSET_LTHEAD, "unset-lthead" },
 135         { LyXTabular::SET_LTFIRSTHEAD, "set-ltfirsthead" },
 136         { LyXTabular::UNSET_LTFIRSTHEAD, "unset-ltfirsthead" },
 137         { LyXTabular::SET_LTFOOT, "set-ltfoot" },
 138         { LyXTabular::UNSET_LTFOOT, "unset-ltfoot" },
 139         { LyXTabular::SET_LTLASTFOOT, "set-ltlastfoot" },
 140         { LyXTabular::UNSET_LTLASTFOOT, "unset-ltlastfoot" },
 141         { LyXTabular::SET_LTNEWPAGE, "set-ltnewpage" },
 142         { LyXTabular::SET_SPECIAL_COLUMN, "set-special-column" },
 143         { LyXTabular::SET_SPECIAL_MULTI, "set-special-multi" },
 144         { LyXTabular::SET_BOOKTABS, "set-booktabs" },
 145         { LyXTabular::UNSET_BOOKTABS, "unset-booktabs" },
 146         { LyXTabular::SET_TOP_SPACE, "set-top-space" },
 147         { LyXTabular::SET_BOTTOM_SPACE, "set-bottom-space" },
 148         { LyXTabular::SET_INTERLINE_SPACE, "set-interline-space" },
 149         { LyXTabular::LAST_ACTION, "" }
 150 };
 151
 152
 153 class FeatureEqual : public std::unary_function<TabularFeature, bool> {
 154 public:
 155         FeatureEqual(LyXTabular::Feature feature)
 156                 : feature_(feature) {}
 157         bool operator()(TabularFeature const & tf) const {
 158                 return tf.action == feature_;
 159         }
 160 private:
 161         LyXTabular::Feature feature_;
 162 };
 163
 164 } // namespace anon
 165
 166
 167 string const featureAsString(LyXTabular::Feature feature)
 168 {
 169         TabularFeature * end = tabularFeature +
 170                 sizeof(tabularFeature) / sizeof(TabularFeature);
 171         TabularFeature * it = std::find_if(tabularFeature, end,
 172                                            FeatureEqual(feature));
 173         return (it == end) ? string() : it->feature;
 174 }
 175
 176
 177 bool InsetTabular::hasPasteBuffer() const
 178 {
 179         return (paste_tabular.get() != 0);
 180 }
 181
 182
 183 InsetTabular::InsetTabular(Buffer const & buf, row_type rows,
 184                            col_type columns)
 185         : tabular(buf.params(), max(rows, row_type(1)),
 186           max(columns, col_type(1))), buffer_(&buf), scx_(0)
 187 {}
 188
 189
 190 InsetTabular::InsetTabular(InsetTabular const & tab)
 191         : InsetOld(tab), tabular(tab.tabular),
 192                 buffer_(tab.buffer_), scx_(0)
 193 {}
 194
 195
 196 InsetTabular::~InsetTabular()
 197 {
 198         InsetTabularMailer(*this).hideDialog();
 199 }
 200
 201
 202 auto_ptr<InsetBase> InsetTabular::doClone() const
 203 {
 204         return auto_ptr<InsetBase>(new InsetTabular(*this));
 205 }
 206
 207
 208 Buffer const & InsetTabular::buffer() const
 209 {
 210         return *buffer_;
 211 }
 212
 213
 214 void InsetTabular::buffer(Buffer const * b)
 215 {
 216         buffer_ = b;
 217 }
 218
 219
 220 void InsetTabular::write(Buffer const & buf, ostream & os) const
 221 {
 222         os << "Tabular" << endl;
 223         tabular.write(buf, os);
 224 }
 225
 226
 227 void InsetTabular::read(Buffer const & buf, LyXLex & lex)
 228 {
 229         bool const old_format = (lex.getString() == "\\LyXTable");
 230
 231         tabular.read(buf, lex);
 232
 233         if (old_format)
 234                 return;
 235
 236         lex.next();
 237         string token = lex.getString();
 238         while (lex.isOK() && (token != "\\end_inset")) {
 239                 lex.next();
 240                 token = lex.getString();
 241         }
 242         if (token != "\\end_inset") {
 243                 lex.printError("Missing \\end_inset at this point. "
 244                                "Read: `$$Token'");
 245         }
 246 }
 247
 248
 249 bool InsetTabular::metrics(MetricsInfo & mi, Dimension & dim) const
 250 {
 251         //lyxerr << "InsetTabular::metrics: " << mi.base.bv << " width: " <<
 252         //      mi.base.textwidth << "\n";
 253         if (!mi.base.bv) {
 254                 lyxerr << "InsetTabular::metrics: need bv" << endl;
 255                 BOOST_ASSERT(false);
 256         }
 257
 258         row_type i = 0;
 259         for (idx_type cell = 0; i < tabular.rows(); ++i) {
 260                 int maxAsc = 0;
 261                 int maxDesc = 0;
 262                 for (col_type j = 0; j < tabular.columns(); ++j) {
 263                         if (tabular.isPartOfMultiColumn(i, j))
 264                                 // Multicolumn cell, but not first one
 265                                 continue;
 266                         Dimension dim;
 267                         MetricsInfo m = mi;
 268                         LyXLength p_width;
 269                         if (tabular.cell_info[i][j].multicolumn ==
 270                             LyXTabular::CELL_BEGIN_OF_MULTICOLUMN)
 271                                 p_width = tabular.cellinfo_of_cell(cell).p_width;
 272                         else
 273                                 p_width = tabular.column_info[j].p_width;
 274                         if (!p_width.zero())
 275                                 m.base.textwidth = p_width.inPixels(mi.base.textwidth);
 276                         tabular.getCellInset(cell)->metrics(m, dim);
 277                         if (!p_width.zero())
 278                                 dim.wid = m.base.textwidth;
 279                         tabular.setWidthOfCell(cell, dim.wid);
 280                         if (p_width.zero()) {
 281                                 m.base.textwidth = dim.wid + 2 * ADD_TO_TABULAR_WIDTH;
 282                                 // FIXME there must be a way to get rid of
 283                                 // the second metrics call
 284                                 tabular.getCellInset(cell)->metrics(m, dim);
 285                         }
 286                         maxAsc  = max(maxAsc, dim.asc);
 287                         maxDesc = max(maxDesc, dim.des);
 288                         ++cell;
 289                 }
 290                 int const top_space = tabular.row_info[i].top_space_default ?
 291                         default_line_space :
 292                         tabular.row_info[i].top_space.inPixels(mi.base.textwidth);
 293                 tabular.setAscentOfRow(i, maxAsc + ADD_TO_HEIGHT + top_space);
 294                 int const bottom_space = tabular.row_info[i].bottom_space_default ?
 295                         default_line_space :
 296                         tabular.row_info[i].bottom_space.inPixels(mi.base.textwidth);
 297                 tabular.setDescentOfRow(i, maxDesc + ADD_TO_HEIGHT + bottom_space);
 298         }
 299
 300         dim.asc = tabular.getAscentOfRow(0);
 301         dim.des = tabular.getHeightOfTabular() - dim.asc;
 302         dim.wid = tabular.getWidthOfTabular() + 2 * ADD_TO_TABULAR_WIDTH;
 303         bool const changed = dim_ != dim;
 304         dim_ = dim;
 305         return changed;
 306 }
 307
 308
 309 void InsetTabular::draw(PainterInfo & pi, int x, int y) const
 310 {
 311         setPosCache(pi, x, y);
 312
 313         //lyxerr << "InsetTabular::draw: " << x << " " << y << endl;
 314         BufferView * bv = pi.base.bv;
 315
 316         resetPos(bv->cursor());
 317
 318         x += scx_;
 319         x += ADD_TO_TABULAR_WIDTH;
 320
 321         idx_type idx = 0;
 322         first_visible_cell = LyXTabular::npos;
 323         for (row_type i = 0; i < tabular.rows(); ++i) {
 324                 int nx = x;
 325                 int const a = tabular.getAscentOfRow(i);
 326                 int const d = tabular.getDescentOfRow(i);
 327                 idx = tabular.getCellNumber(i, 0);
 328                 for (col_type j = 0; j < tabular.columns(); ++j) {
 329                         if (tabular.isPartOfMultiColumn(i, j))
 330                                 continue;
 331                         if (first_visible_cell == LyXTabular::npos)
 332                                 first_visible_cell = idx;
 333
 334                         int const cx = nx + tabular.getBeginningOfTextInCell(idx);
 335                         if (nx + tabular.getWidthOfColumn(idx) < 0
 336                             || nx > bv->workWidth()
 337                             || y + d < 0
 338                             || y - a > bv->workHeight()) {
 339                                 pi.pain.setDrawingEnabled(false);
 340                                 cell(idx)->draw(pi, cx, y);
 341                                 drawCellLines(pi.pain, nx, y, i, idx, pi.erased_);
 342                                 pi.pain.setDrawingEnabled(true);
 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         // FIXME: 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                         && (&bvcur.selBegin().inset() != this || !tablemode(bvcur)))) {
 501                         if (!bvcur.selection() && !cur.bv().mouseSetCursor(cur))
 502                                 cur.noUpdate();
 503                         cur.selection() = false;
 504                         setCursorFromCoordinates(cur, cmd.x, cmd.y);
 505                         cur.bv().mouseSetCursor(cur);
 506                         break;
 507                 }
 508
 509                 if (cmd.button() == mouse_button::button2) {
 510                         cmd = FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph");
 511                         doDispatch(cur, cmd);
 512                 }
 513                 break;
 514
 515         case LFUN_MOUSE_MOTION:
 516                 //lyxerr << "# InsetTabular::MouseMotion\n" << bvcur << endl;
 517                 if (cmd.button() == mouse_button::button1) {
 518                         // only accept motions to places not deeper nested than the real anchor
 519                         if (bvcur.anchor_.hasPart(cur)) {
 520                                 // only update if selection changes
 521                                 if (bvcur.idx() == cur.idx() &&
 522                                         !(bvcur.anchor_.idx() == cur.idx() && bvcur.pos() != cur.pos()))
 523                                         cur.noUpdate();
 524                                 setCursorFromCoordinates(cur, cmd.x, cmd.y);
 525                                 bvcur.setCursor(cur);
 526                                 bvcur.selection() = true;
 527                         } else
 528                                 cur.undispatched();
 529                 }
 530                 break;
 531
 532         case LFUN_MOUSE_RELEASE:
 533                 //lyxerr << "# InsetTabular::MouseRelease\n" << bvcur << endl;
 534                 if (cmd.button() == mouse_button::button3)
 535                         InsetTabularMailer(*this).showDialog(&cur.bv());
 536                 break;
 537
 538         case LFUN_CELL_BACKWARD:
 539                 movePrevCell(cur);
 540                 cur.selection() = false;
 541                 break;
 542
 543         case LFUN_CELL_FORWARD:
 544                 moveNextCell(cur);
 545                 cur.selection() = false;
 546                 break;
 547
 548         case LFUN_CHAR_FORWARD_SELECT:
 549         case LFUN_CHAR_FORWARD:
 550                 cell(cur.idx())->dispatch(cur, cmd);
 551                 if (!cur.result().dispatched()) {
 552                         isRightToLeft(cur) ? movePrevCell(cur) : moveNextCell(cur);
 553                         if (sl == cur.top())
 554                                 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 555                         else
 556                                 cur.dispatched();
 557                 }
 558                 break;
 559
 560         case LFUN_CHAR_BACKWARD_SELECT:
 561         case LFUN_CHAR_BACKWARD:
 562                 cell(cur.idx())->dispatch(cur, cmd);
 563                 if (!cur.result().dispatched()) {
 564                         isRightToLeft(cur) ? moveNextCell(cur) : movePrevCell(cur);
 565                         if (sl == cur.top())
 566                                 cmd = FuncRequest(LFUN_FINISHED_LEFT);
 567                         else
 568                                 cur.dispatched();
 569                 }
 570                 break;
 571
 572         case LFUN_DOWN_SELECT:
 573         case LFUN_DOWN:
 574                 cell(cur.idx())->dispatch(cur, cmd);
 575                 cur.dispatched(); // override the cell's decision
 576                 if (sl == cur.top())
 577                         // if our LyXText didn't do anything to the cursor
 578                         // then we try to put the cursor into the cell below
 579                         // setting also the right targetX.
 580                         if (tabular.row_of_cell(cur.idx()) != tabular.rows() - 1) {
 581                                 cur.idx() = tabular.getCellBelow(cur.idx());
 582                                 cur.pit() = 0;
 583                                 TextMetrics const & tm =
 584                                         cur.bv().textMetrics(cell(cur.idx())->getText(0));
 585                                 cur.pos() = tm.x2pos(cur.pit(), 0, cur.targetX());
 586                         }
 587                 if (sl == cur.top()) {
 588                         // we trick it to go to the RIGHT after leaving the
 589                         // tabular.
 590                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 591                         cur.undispatched();
 592                 }
 593                 break;
 594
 595         case LFUN_UP_SELECT:
 596         case LFUN_UP:
 597                 cell(cur.idx())->dispatch(cur, cmd);
 598                 cur.dispatched(); // override the cell's decision
 599                 if (sl == cur.top())
 600                         // if our LyXText didn't do anything to the cursor
 601                         // then we try to put the cursor into the cell above
 602                         // setting also the right targetX.
 603                         if (tabular.row_of_cell(cur.idx()) != 0) {
 604                                 cur.idx() = tabular.getCellAbove(cur.idx());
 605                                 cur.pit() = cur.lastpit();
 606                                 LyXText const * text = cell(cur.idx())->getText(0);
 607                                 TextMetrics const & tm = cur.bv().textMetrics(text);
 608                                 ParagraphMetrics const & pm =
 609                                         tm.parMetrics(cur.lastpit());
 610                                 cur.pos() = tm.x2pos(cur.pit(), pm.rows().size()-1, cur.targetX());
 611                         }
 612                 if (sl == cur.top()) {
 613                         cmd = FuncRequest(LFUN_FINISHED_UP);
 614                         cur.undispatched();
 615                 }
 616                 break;
 617
 618 //      case LFUN_SCREEN_DOWN: {
 619 //              //if (hasSelection())
 620 //              //      cur.selection() = false;
 621 //              col_type const col = tabular.column_of_cell(cur.idx());
 622 //              int const t =   cur.bv().top_y() + cur.bv().height();
 623 //              if (t < yo() + tabular.getHeightOfTabular()) {
 624 //                      cur.bv().scrollDocView(t);
 625 //                      cur.idx() = tabular.getCellBelow(first_visible_cell) + col;
 626 //              } else {
 627 //                      cur.idx() = tabular.getFirstCellInRow(tabular.rows() - 1) + col;
 628 //              }
 629 //              cur.par() = 0;
 630 //              cur.pos() = 0;
 631 //              break;
 632 //      }
 633 //
 634 //      case LFUN_SCREEN_UP: {
 635 //              //if (hasSelection())
 636 //              //      cur.selection() = false;
 637 //              col_type const col = tabular.column_of_cell(cur.idx());
 638 //              int const t =   cur.bv().top_y() + cur.bv().height();
 639 //              if (yo() < 0) {
 640 //                      cur.bv().scrollDocView(t);
 641 //                      if (yo() > 0)
 642 //                              cur.idx() = col;
 643 //                      else
 644 //                              cur.idx() = tabular.getCellBelow(first_visible_cell) + col;
 645 //              } else {
 646 //                      cur.idx() = col;
 647 //              }
 648 //              cur.par() = cur.lastpar();
 649 //              cur.pos() = cur.lastpos();
 650 //              break;
 651 //      }
 652
 653         case LFUN_LAYOUT_TABULAR:
 654                 InsetTabularMailer(*this).showDialog(&cur.bv());
 655                 break;
 656
 657         case LFUN_INSET_DIALOG_UPDATE:
 658                 InsetTabularMailer(*this).updateDialog(&cur.bv());
 659                 break;
 660
 661         case LFUN_TABULAR_FEATURE:
 662                 if (!tabularFeatures(cur, to_utf8(cmd.argument())))
 663                         cur.undispatched();
 664                 break;
 665
 666         // insert file functions
 667         case LFUN_FILE_INSERT_ASCII_PARA:
 668         case LFUN_FILE_INSERT_ASCII: {
 669                 // FIXME UNICODE
 670                 string const tmpstr = getContentsOfAsciiFile(&cur.bv(), to_utf8(cmd.argument()), false);
 671                 // FIXME: We don't know the encoding of the file
 672                 if (!tmpstr.empty() && !insertAsciiString(cur.bv(), from_utf8(tmpstr), false))
 673                         cur.undispatched();
 674                 break;
 675         }
 676
 677         case LFUN_CUT:
 678                 if (tablemode(cur)) {
 679                         if (copySelection(cur)) {
 680                                 recordUndoInset(cur, Undo::DELETE);
 681                                 cutSelection(cur);
 682                         }
 683                 }
 684                 else
 685                         cell(cur.idx())->dispatch(cur, cmd);
 686                 break;
 687
 688         case LFUN_CHAR_DELETE_BACKWARD:
 689         case LFUN_CHAR_DELETE_FORWARD:
 690                 if (tablemode(cur)) {
 691                         recordUndoInset(cur, Undo::DELETE);
 692                         cutSelection(cur);
 693                 }
 694                 else
 695                         cell(cur.idx())->dispatch(cur, cmd);
 696                 break;
 697
 698         case LFUN_COPY:
 699                 if (!cur.selection())
 700                         break;
 701                 if (tablemode(cur)) {
 702                         finishUndo();
 703                         copySelection(cur);
 704                 } else
 705                         cell(cur.idx())->dispatch(cur, cmd);
 706                 break;
 707
 708         case LFUN_CLIPBOARD_PASTE:
 709         case LFUN_PRIMARY_SELECTION_PASTE: {
 710                 docstring const clip = (cmd.action == LFUN_CLIPBOARD_PASTE) ?
 711                         theClipboard().get() :
 712                         theSelection().get();
 713                 if (clip.empty())
 714                         break;
 715                 // pass to InsertAsciiString, but
 716                 // only if we have multi-cell content
 717                 if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
 718                         if (insertAsciiString(cur.bv(), clip, false)) {
 719                                 // content has been replaced,
 720                                 // so cursor might be invalid
 721                                 cur.pos() = cur.lastpos();
 722                                 bvcur.setCursor(cur);
 723                                 break;
 724                         }
 725                 }
 726                 // Let the cell handle normal text
 727                 cell(cur.idx())->dispatch(cur, cmd);
 728                 break;
 729         }
 730
 731         case LFUN_PASTE:
 732                 if (hasPasteBuffer() && tabularStackDirty()) {
 733                         recordUndoInset(cur, Undo::INSERT);
 734                         pasteSelection(cur);
 735                         break;
 736                 }
 737                 cell(cur.idx())->dispatch(cur, cmd);
 738                 break;
 739
 740         case LFUN_FONT_EMPH:
 741         case LFUN_FONT_BOLD:
 742         case LFUN_FONT_ROMAN:
 743         case LFUN_FONT_NOUN:
 744         case LFUN_FONT_ITAL:
 745         case LFUN_FONT_FRAK:
 746         case LFUN_FONT_CODE:
 747         case LFUN_FONT_SANS:
 748         case LFUN_FONT_FREE_APPLY:
 749         case LFUN_FONT_FREE_UPDATE:
 750         case LFUN_FONT_SIZE:
 751         case LFUN_FONT_UNDERLINE:
 752         case LFUN_LANGUAGE:
 753         case LFUN_WORD_CAPITALIZE:
 754         case LFUN_WORD_UPCASE:
 755         case LFUN_WORD_LOWCASE:
 756         case LFUN_CHARS_TRANSPOSE:
 757                 if (tablemode(cur)) {
 758                         row_type rs, re;
 759                         col_type cs, ce;
 760                         getSelection(cur, rs, re, cs, ce);
 761                         LCursor tmpcur = cur;
 762                         for (row_type i = rs; i <= re; ++i) {
 763                                 for (col_type j = cs; j <= ce; ++j) {
 764                                         // cursor follows cell:
 765                                         tmpcur.idx() = tabular.getCellNumber(i, j);
 766                                         // select this cell only:
 767                                         tmpcur.pit() = 0;
 768                                         tmpcur.pos() = 0;
 769                                         tmpcur.resetAnchor();
 770                                         tmpcur.pit() = tmpcur.lastpit();
 771                                         tmpcur.pos() = tmpcur.top().lastpos();
 772                                         tmpcur.setCursor(tmpcur);
 773                                         tmpcur.setSelection();
 774                                         cell(tmpcur.idx())->dispatch(tmpcur, cmd);
 775                                 }
 776                         }
 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         // FIXME: this accesses the position cache before it is initialized
 789         //resetPos(cur);
 790         InsetTabularMailer(*this).updateDialog(&cur.bv());
 791 }
 792
 793
 794 // function sets an object as defined in func_status.h:
 795 // states OK, Unknown, Disabled, On, Off.
 796 bool InsetTabular::getStatus(LCursor & cur, FuncRequest const & cmd,
 797         FuncStatus & status) const
 798 {
 799         switch (cmd.action) {
 800         case LFUN_TABULAR_FEATURE: {
 801                 int action = LyXTabular::LAST_ACTION;
 802                 int i = 0;
 803                 for (; tabularFeature[i].action != LyXTabular::LAST_ACTION; ++i) {
 804                         string const tmp = tabularFeature[i].feature;
 805                         if (tmp == to_utf8(cmd.argument()).substr(0, tmp.length())) {
 806                                 action = tabularFeature[i].action;
 807                                 break;
 808                         }
 809                 }
 810                 if (action == LyXTabular::LAST_ACTION) {
 811                         status.clear();
 812                         status.unknown(true);
 813                         return true;
 814                 }
 815
 816                 string const argument
 817                         = ltrim(to_utf8(cmd.argument()).substr(tabularFeature[i].feature.length()));
 818
 819                 row_type sel_row_start = 0;
 820                 row_type sel_row_end = 0;
 821                 col_type dummy;
 822                 LyXTabular::ltType dummyltt;
 823                 bool flag = true;
 824
 825                 getSelection(cur, sel_row_start, sel_row_end, dummy, dummy);
 826
 827                 switch (action) {
 828                 case LyXTabular::SET_PWIDTH:
 829                 case LyXTabular::SET_MPWIDTH:
 830                 case LyXTabular::SET_SPECIAL_COLUMN:
 831                 case LyXTabular::SET_SPECIAL_MULTI:
 832                 case LyXTabular::APPEND_ROW:
 833                 case LyXTabular::APPEND_COLUMN:
 834                 case LyXTabular::DELETE_ROW:
 835                 case LyXTabular::DELETE_COLUMN:
 836                 case LyXTabular::COPY_ROW:
 837                 case LyXTabular::COPY_COLUMN:
 838                 case LyXTabular::SET_ALL_LINES:
 839                 case LyXTabular::UNSET_ALL_LINES:
 840                 case LyXTabular::SET_TOP_SPACE:
 841                 case LyXTabular::SET_BOTTOM_SPACE:
 842                 case LyXTabular::SET_INTERLINE_SPACE:
 843                         status.clear();
 844                         return true;
 845
 846                 case LyXTabular::MULTICOLUMN:
 847                         status.setOnOff(tabular.isMultiColumn(cur.idx()));
 848                         break;
 849
 850                 case LyXTabular::M_TOGGLE_LINE_TOP:
 851                         flag = false;
 852                 case LyXTabular::TOGGLE_LINE_TOP:
 853                         status.setOnOff(tabular.topLine(cur.idx(), flag));
 854                         break;
 855
 856                 case LyXTabular::M_TOGGLE_LINE_BOTTOM:
 857                         flag = false;
 858                 case LyXTabular::TOGGLE_LINE_BOTTOM:
 859                         status.setOnOff(tabular.bottomLine(cur.idx(), flag));
 860                         break;
 861
 862                 case LyXTabular::M_TOGGLE_LINE_LEFT:
 863                         flag = false;
 864                 case LyXTabular::TOGGLE_LINE_LEFT:
 865                         status.setOnOff(tabular.leftLine(cur.idx(), flag));
 866                         break;
 867
 868                 case LyXTabular::M_TOGGLE_LINE_RIGHT:
 869                         flag = false;
 870                 case LyXTabular::TOGGLE_LINE_RIGHT:
 871                         status.setOnOff(tabular.rightLine(cur.idx(), flag));
 872                         break;
 873
 874                 case LyXTabular::M_ALIGN_LEFT:
 875                         flag = false;
 876                 case LyXTabular::ALIGN_LEFT:
 877                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_LEFT);
 878                         break;
 879
 880                 case LyXTabular::M_ALIGN_RIGHT:
 881                         flag = false;
 882                 case LyXTabular::ALIGN_RIGHT:
 883                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_RIGHT);
 884                         break;
 885
 886                 case LyXTabular::M_ALIGN_CENTER:
 887                         flag = false;
 888                 case LyXTabular::ALIGN_CENTER:
 889                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_CENTER);
 890                         break;
 891
 892                 case LyXTabular::ALIGN_BLOCK:
 893                         status.enabled(!tabular.getPWidth(cur.idx()).zero());
 894                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_BLOCK);
 895                         break;
 896
 897                 case LyXTabular::M_VALIGN_TOP:
 898                         flag = false;
 899                 case LyXTabular::VALIGN_TOP:
 900                         status.setOnOff(
 901                                 tabular.getVAlignment(cur.idx(), flag) == LyXTabular::LYX_VALIGN_TOP);
 902                         break;
 903
 904                 case LyXTabular::M_VALIGN_BOTTOM:
 905                         flag = false;
 906                 case LyXTabular::VALIGN_BOTTOM:
 907                         status.setOnOff(
 908                                 tabular.getVAlignment(cur.idx(), flag) == LyXTabular::LYX_VALIGN_BOTTOM);
 909                         break;
 910
 911                 case LyXTabular::M_VALIGN_MIDDLE:
 912                         flag = false;
 913                 case LyXTabular::VALIGN_MIDDLE:
 914                         status.setOnOff(
 915                                 tabular.getVAlignment(cur.idx(), flag) == LyXTabular::LYX_VALIGN_MIDDLE);
 916                         break;
 917
 918                 case LyXTabular::SET_LONGTABULAR:
 919                         status.setOnOff(tabular.isLongTabular());
 920                         break;
 921
 922                 case LyXTabular::UNSET_LONGTABULAR:
 923                         status.setOnOff(!tabular.isLongTabular());
 924                         break;
 925
 926                 case LyXTabular::SET_ROTATE_TABULAR:
 927                         status.setOnOff(tabular.getRotateTabular());
 928                         break;
 929
 930                 case LyXTabular::UNSET_ROTATE_TABULAR:
 931                         status.setOnOff(!tabular.getRotateTabular());
 932                         break;
 933
 934                 case LyXTabular::SET_ROTATE_CELL:
 935                         status.setOnOff(tabular.getRotateCell(cur.idx()));
 936                         break;
 937
 938                 case LyXTabular::UNSET_ROTATE_CELL:
 939                         status.setOnOff(!tabular.getRotateCell(cur.idx()));
 940                         break;
 941
 942                 case LyXTabular::SET_USEBOX:
 943                         status.setOnOff(convert<int>(argument) == tabular.getUsebox(cur.idx()));
 944                         break;
 945
 946                 case LyXTabular::SET_LTFIRSTHEAD:
 947                         status.setOnOff(tabular.getRowOfLTHead(sel_row_start, dummyltt));
 948                         break;
 949
 950                 case LyXTabular::UNSET_LTFIRSTHEAD:
 951                         status.setOnOff(!tabular.getRowOfLTHead(sel_row_start, dummyltt));
 952                         break;
 953
 954                 case LyXTabular::SET_LTHEAD:
 955                         status.setOnOff(tabular.getRowOfLTHead(sel_row_start, dummyltt));
 956                         break;
 957
 958                 case LyXTabular::UNSET_LTHEAD:
 959                         status.setOnOff(!tabular.getRowOfLTHead(sel_row_start, dummyltt));
 960                         break;
 961
 962                 case LyXTabular::SET_LTFOOT:
 963                         status.setOnOff(tabular.getRowOfLTFoot(sel_row_start, dummyltt));
 964                         break;
 965
 966                 case LyXTabular::UNSET_LTFOOT:
 967                         status.setOnOff(!tabular.getRowOfLTFoot(sel_row_start, dummyltt));
 968                         break;
 969
 970                 case LyXTabular::SET_LTLASTFOOT:
 971                         status.setOnOff(tabular.getRowOfLTFoot(sel_row_start, dummyltt));
 972                         break;
 973
 974                 case LyXTabular::UNSET_LTLASTFOOT:
 975                         status.setOnOff(!tabular.getRowOfLTFoot(sel_row_start, dummyltt));
 976                         break;
 977
 978                 case LyXTabular::SET_LTNEWPAGE:
 979                         status.setOnOff(tabular.getLTNewPage(sel_row_start));
 980                         break;
 981
 982                 case LyXTabular::SET_BOOKTABS:
 983                         status.setOnOff(tabular.useBookTabs());
 984                         break;
 985
 986                 case LyXTabular::UNSET_BOOKTABS:
 987                         status.setOnOff(!tabular.useBookTabs());
 988                         break;
 989
 990                 default:
 991                         status.clear();
 992                         status.enabled(false);
 993                         break;
 994                 }
 995                 return true;
 996         }
 997
 998         // These are only enabled inside tabular
 999         case LFUN_CELL_BACKWARD:
1000         case LFUN_CELL_FORWARD:
1001                 status.enabled(true);
1002                 return true;
1003
1004         // disable these with multiple cells selected
1005         case LFUN_INSET_INSERT:
1006         case LFUN_TABULAR_INSERT:
1007         case LFUN_CHARSTYLE_INSERT:
1008         case LFUN_FLOAT_INSERT:
1009         case LFUN_FLOAT_WIDE_INSERT:
1010         case LFUN_FOOTNOTE_INSERT:
1011         case LFUN_MARGINALNOTE_INSERT:
1012         case LFUN_MATH_INSERT:
1013         case LFUN_MATH_MODE:
1014         case LFUN_MATH_MUTATE:
1015         case LFUN_MATH_DISPLAY:
1016         case LFUN_NOTE_INSERT:
1017         case LFUN_OPTIONAL_INSERT:
1018         case LFUN_BOX_INSERT:
1019         case LFUN_BRANCH_INSERT:
1020         case LFUN_WRAP_INSERT:
1021         case LFUN_ERT_INSERT: {
1022                 if (tablemode(cur)) {
1023                         status.enabled(false);
1024                         return true;
1025                 } else
1026                         return cell(cur.idx())->getStatus(cur, cmd, status);
1027         }
1028
1029         // disable in non-fixed-width cells
1030         case LFUN_BREAK_LINE:
1031         case LFUN_BREAK_PARAGRAPH:
1032         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1033         case LFUN_BREAK_PARAGRAPH_SKIP: {
1034                 if (tabular.getPWidth(cur.idx()).zero()) {
1035                         status.enabled(false);
1036                         return true;
1037                 } else
1038                         return cell(cur.idx())->getStatus(cur, cmd, status);
1039         }
1040
1041         case LFUN_PASTE:
1042                 if (tabularStackDirty()) {
1043                         status.enabled(true);
1044                         return true;
1045                 }
1046
1047         case LFUN_INSET_MODIFY:
1048                 if (translate(cmd.getArg(0)) == TABULAR_CODE) {
1049                         status.enabled(true);
1050                         return true;
1051                 }
1052                 // Fall through
1053
1054         default:
1055                 // we try to handle this event in the insets dispatch function.
1056                 return cell(cur.idx())->getStatus(cur, cmd, status);
1057         }
1058 }
1059
1060
1061 int InsetTabular::latex(Buffer const & buf, odocstream & os,
1062                         OutputParams const & runparams) const
1063 {
1064         return tabular.latex(buf, os, runparams);
1065 }
1066
1067
1068 int InsetTabular::plaintext(Buffer const & buf, odocstream & os,
1069                         OutputParams const & runparams) const
1070 {
1071         int const dp = runparams.linelen ? runparams.depth : 0;
1072         return tabular.plaintext(buf, os, runparams, dp, false, 0);
1073 }
1074
1075
1076 int InsetTabular::docbook(Buffer const & buf, odocstream & os,
1077                           OutputParams const & runparams) const
1078 {
1079         int ret = 0;
1080         InsetBase * master = 0;
1081
1082 #ifdef WITH_WARNINGS
1083 #warning Why not pass a proper DocIterator here?
1084 #endif
1085 #if 0
1086         // if the table is inside a float it doesn't need the informaltable
1087         // wrapper. Search for it.
1088         for (master = owner(); master; master = master->owner())
1089                 if (master->lyxCode() == InsetBase::FLOAT_CODE)
1090                         break;
1091 #endif
1092
1093         if (!master) {
1094                 os << "<informaltable>";
1095                 ++ret;
1096         }
1097         ret += tabular.docbook(buf, os, runparams);
1098         if (!master) {
1099                 os << "</informaltable>";
1100                 ++ret;
1101         }
1102         return ret;
1103 }
1104
1105
1106 void InsetTabular::validate(LaTeXFeatures & features) const
1107 {
1108         tabular.validate(features);
1109 }
1110
1111
1112 shared_ptr<InsetText const> InsetTabular::cell(idx_type idx) const
1113 {
1114         return tabular.getCellInset(idx);
1115 }
1116
1117
1118 shared_ptr<InsetText> InsetTabular::cell(idx_type idx)
1119 {
1120         return tabular.getCellInset(idx);
1121 }
1122
1123
1124 void InsetTabular::cursorPos(BufferView const & bv,
1125                 CursorSlice const & sl, bool boundary, int & x, int & y) const
1126 {
1127         cell(sl.idx())->cursorPos(bv, sl, boundary, x, y);
1128
1129         // y offset     correction
1130         int const row = tabular.row_of_cell(sl.idx());
1131         for (int i = 0; i <= row; ++i) {
1132                 if (i != 0) {
1133                         y += tabular.getAscentOfRow(i);
1134                         y += tabular.getAdditionalHeight(i);
1135                 }
1136                 if (i != row)
1137                         y += tabular.getDescentOfRow(i);
1138         }
1139
1140         // x offset correction
1141         int const col = tabular.column_of_cell(sl.idx());
1142         int idx = tabular.getCellNumber(row, 0);
1143         for (int j = 0; j < col; ++j) {
1144                 if (tabular.isPartOfMultiColumn(row, j))
1145                         continue;
1146                 x += tabular.getWidthOfColumn(idx);
1147                 ++idx;
1148         }
1149         x += tabular.getBeginningOfTextInCell(idx);
1150         x += ADD_TO_TABULAR_WIDTH;
1151         x += scx_;
1152 }
1153
1154
1155 int InsetTabular::dist(BufferView & bv, idx_type const cell, int x, int y) const
1156 {
1157         int xx = 0;
1158         int yy = 0;
1159         InsetBase const & inset = *tabular.getCellInset(cell);
1160         Point o = bv.coordCache().getInsets().xy(&inset);
1161         int const xbeg = o.x_ - tabular.getBeginningOfTextInCell(cell);
1162         int const xend = xbeg + tabular.getWidthOfColumn(cell);
1163         row_type const row = tabular.row_of_cell(cell);
1164         int const ybeg = o.y_ - tabular.getAscentOfRow(row) -
1165                          tabular.getAdditionalHeight(row);
1166         int const yend = o.y_ + tabular.getDescentOfRow(row);
1167
1168         if (x < xbeg)
1169                 xx = xbeg - x;
1170         else if (x > xend)
1171                 xx = x - xend;
1172
1173         if (y < ybeg)
1174                 yy = ybeg - y;
1175         else if (y > yend)
1176                 yy = y - yend;
1177
1178         //lyxerr << " xbeg=" << xbeg << "  xend=" << xend
1179         //       << " ybeg=" << ybeg << " yend=" << yend
1180         //       << " xx=" << xx << " yy=" << yy
1181         //       << " dist=" << xx + yy << endl;
1182         return xx + yy;
1183 }
1184
1185
1186 InsetBase * InsetTabular::editXY(LCursor & cur, int x, int y)
1187 {
1188         //lyxerr << "InsetTabular::editXY: " << this << endl;
1189         cur.selection() = false;
1190         cur.push(*this);
1191         cur.idx() = getNearestCell(cur.bv(), x, y);
1192         resetPos(cur);
1193         return cell(cur.idx())->text_.editXY(cur, x, y);
1194 }
1195
1196
1197 void InsetTabular::setCursorFromCoordinates(LCursor & cur, int x, int y) const
1198 {
1199         cur.idx() = getNearestCell(cur.bv(), x, y);
1200         cell(cur.idx())->text_.setCursorFromCoordinates(cur, x, y);
1201 }
1202
1203
1204 InsetTabular::idx_type InsetTabular::getNearestCell(BufferView & bv, int x, int y) const
1205 {
1206         idx_type idx_min = 0;
1207         int dist_min = std::numeric_limits<int>::max();
1208         for (idx_type i = 0, n = nargs(); i != n; ++i) {
1209                 if (bv.coordCache().getInsets().has(tabular.getCellInset(i).get())) {
1210                         int const d = dist(bv, i, x, y);
1211                         if (d < dist_min) {
1212                                 dist_min = d;
1213                                 idx_min = i;
1214                         }
1215                 }
1216         }
1217         return idx_min;
1218 }
1219
1220
1221 int InsetTabular::getCellXPos(idx_type const cell) const
1222 {
1223         idx_type c = cell;
1224
1225         for (; !tabular.isFirstCellInRow(c); --c)
1226                 ;
1227         int lx = tabular.getWidthOfColumn(cell);
1228         for (; c < cell; ++c)
1229                 lx += tabular.getWidthOfColumn(c);
1230
1231         return lx - tabular.getWidthOfColumn(cell);
1232 }
1233
1234
1235 void InsetTabular::resetPos(LCursor & cur) const
1236 {
1237         BufferView & bv = cur.bv();
1238         int const maxwidth = bv.workWidth();
1239
1240         if (&cur.inset() != this) {
1241                 scx_ = 0;
1242         } else {
1243                 int const X1 = 0;
1244                 int const X2 = maxwidth;
1245                 int const offset = ADD_TO_TABULAR_WIDTH + 2;
1246                 int const x1 = xo(cur.bv()) + getCellXPos(cur.idx()) + offset;
1247                 int const x2 = x1 + tabular.getWidthOfColumn(cur.idx());
1248
1249                 if (x1 < X1)
1250                         scx_ = X1 + 20 - x1;
1251                 else if (x2 > X2)
1252                         scx_ = X2 - 20 - x2;
1253                 else
1254                         scx_ = 0;
1255         }
1256
1257         cur.updateFlags(Update::Force | Update::FitCursor);
1258
1259         InsetTabularMailer(*this).updateDialog(&bv);
1260 }
1261
1262
1263 void InsetTabular::moveNextCell(LCursor & cur)
1264 {
1265         if (isRightToLeft(cur)) {
1266                 if (tabular.isFirstCellInRow(cur.idx())) {
1267                         row_type const row = tabular.row_of_cell(cur.idx());
1268                         if (row == tabular.rows() - 1)
1269                                 return;
1270                         cur.idx() = tabular.getCellBelow(tabular.getLastCellInRow(row));
1271                 } else {
1272                         if (cur.idx() == 0)
1273                                 return;
1274                         --cur.idx();
1275                 }
1276         } else {
1277                 if (tabular.isLastCell(cur.idx()))
1278                         return;
1279                 ++cur.idx();
1280         }
1281         cur.pit() = 0;
1282         cur.pos() = 0;
1283         resetPos(cur);
1284 }
1285
1286
1287 void InsetTabular::movePrevCell(LCursor & cur)
1288 {
1289         if (isRightToLeft(cur)) {
1290                 if (tabular.isLastCellInRow(cur.idx())) {
1291                         row_type const row = tabular.row_of_cell(cur.idx());
1292                         if (row == 0)
1293                                 return;
1294                         cur.idx() = tabular.getFirstCellInRow(row);
1295                         cur.idx() = tabular.getCellAbove(cur.idx());
1296                 } else {
1297                         if (tabular.isLastCell(cur.idx()))
1298                                 return;
1299                         ++cur.idx();
1300                 }
1301         } else {
1302                 if (cur.idx() == 0) // first cell
1303                         return;
1304                 --cur.idx();
1305         }
1306         cur.pit() = cur.lastpit();
1307         cur.pos() = cur.lastpos();
1308
1309         // FIXME: this accesses the position cache before it is initialized
1310         //resetPos(cur);
1311 }
1312
1313
1314 bool InsetTabular::tabularFeatures(LCursor & cur, string const & what)
1315 {
1316         LyXTabular::Feature action = LyXTabular::LAST_ACTION;
1317
1318         int i = 0;
1319         for (; tabularFeature[i].action != LyXTabular::LAST_ACTION; ++i) {
1320                 string const tmp = tabularFeature[i].feature;
1321
1322                 if (tmp == what.substr(0, tmp.length())) {
1323                         //if (!compare(tabularFeatures[i].feature.c_str(), what.c_str(),
1324                         //tabularFeatures[i].feature.length())) {
1325                         action = tabularFeature[i].action;
1326                         break;
1327                 }
1328         }
1329         if (action == LyXTabular::LAST_ACTION)
1330                 return false;
1331
1332         string const val =
1333                 ltrim(what.substr(tabularFeature[i].feature.length()));
1334         tabularFeatures(cur, action, val);
1335         return true;
1336 }
1337
1338
1339 namespace {
1340
1341 void checkLongtableSpecial(LyXTabular::ltType & ltt,
1342                           string const & special, bool & flag)
1343 {
1344         if (special == "dl_above") {
1345                 ltt.topDL = flag;
1346                 ltt.set = false;
1347         } else if (special == "dl_below") {
1348                 ltt.bottomDL = flag;
1349                 ltt.set = false;
1350         } else if (special == "empty") {
1351                 ltt.empty = flag;
1352                 ltt.set = false;
1353         } else if (flag) {
1354                 ltt.empty = false;
1355                 ltt.set = true;
1356         }
1357 }
1358
1359 } // anon namespace
1360
1361
1362 void InsetTabular::tabularFeatures(LCursor & cur,
1363         LyXTabular::Feature feature, string const & value)
1364 {
1365         BufferView & bv = cur.bv();
1366         col_type sel_col_start;
1367         col_type sel_col_end;
1368         row_type sel_row_start;
1369         row_type sel_row_end;
1370         bool setLines = false;
1371         LyXAlignment setAlign = LYX_ALIGN_LEFT;
1372         LyXTabular::VAlignment setVAlign = LyXTabular::LYX_VALIGN_TOP;
1373
1374         switch (feature) {
1375
1376         case LyXTabular::M_ALIGN_LEFT:
1377         case LyXTabular::ALIGN_LEFT:
1378                 setAlign = LYX_ALIGN_LEFT;
1379                 break;
1380
1381         case LyXTabular::M_ALIGN_RIGHT:
1382         case LyXTabular::ALIGN_RIGHT:
1383                 setAlign = LYX_ALIGN_RIGHT;
1384                 break;
1385
1386         case LyXTabular::M_ALIGN_CENTER:
1387         case LyXTabular::ALIGN_CENTER:
1388                 setAlign = LYX_ALIGN_CENTER;
1389                 break;
1390
1391         case LyXTabular::ALIGN_BLOCK:
1392                 setAlign = LYX_ALIGN_BLOCK;
1393                 break;
1394
1395         case LyXTabular::M_VALIGN_TOP:
1396         case LyXTabular::VALIGN_TOP:
1397                 setVAlign = LyXTabular::LYX_VALIGN_TOP;
1398                 break;
1399
1400         case LyXTabular::M_VALIGN_BOTTOM:
1401         case LyXTabular::VALIGN_BOTTOM:
1402                 setVAlign = LyXTabular::LYX_VALIGN_BOTTOM;
1403                 break;
1404
1405         case LyXTabular::M_VALIGN_MIDDLE:
1406         case LyXTabular::VALIGN_MIDDLE:
1407                 setVAlign = LyXTabular::LYX_VALIGN_MIDDLE;
1408                 break;
1409
1410         default:
1411                 break;
1412         }
1413
1414         recordUndoInset(cur, Undo::ATOMIC);
1415
1416         getSelection(cur, sel_row_start, sel_row_end, sel_col_start, sel_col_end);
1417         row_type const row = tabular.row_of_cell(cur.idx());
1418         col_type const column = tabular.column_of_cell(cur.idx());
1419         bool flag = true;
1420         LyXTabular::ltType ltt;
1421
1422         switch (feature) {
1423
1424         case LyXTabular::SET_PWIDTH: {
1425                 LyXLength const len(value);
1426                 tabular.setColumnPWidth(cur, cur.idx(), len);
1427                 if (len.zero()
1428                     && tabular.getAlignment(cur.idx(), true) == LYX_ALIGN_BLOCK)
1429                         tabularFeatures(cur, LyXTabular::ALIGN_CENTER, string());
1430                 break;
1431         }
1432
1433         case LyXTabular::SET_MPWIDTH:
1434                 tabular.setMColumnPWidth(cur, cur.idx(), LyXLength(value));
1435                 break;
1436
1437         case LyXTabular::SET_SPECIAL_COLUMN:
1438         case LyXTabular::SET_SPECIAL_MULTI:
1439                 tabular.setAlignSpecial(cur.idx(),value,feature);
1440                 break;
1441
1442         case LyXTabular::APPEND_ROW:
1443                 // append the row into the tabular
1444                 tabular.appendRow(bv.buffer()->params(), cur.idx());
1445                 break;
1446
1447         case LyXTabular::APPEND_COLUMN:
1448                 // append the column into the tabular
1449                 tabular.appendColumn(bv.buffer()->params(), cur.idx());
1450                 cur.idx() = tabular.getCellNumber(row, column);
1451                 break;
1452
1453         case LyXTabular::DELETE_ROW:
1454                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1455                         tabular.deleteRow(sel_row_start);
1456                 if (sel_row_start >= tabular.rows())
1457                         --sel_row_start;
1458                 cur.idx() = tabular.getCellNumber(sel_row_start, column);
1459                 cur.pit() = 0;
1460                 cur.pos() = 0;
1461                 cur.selection() = false;
1462                 break;
1463
1464         case LyXTabular::DELETE_COLUMN:
1465                 for (col_type i = sel_col_start; i <= sel_col_end; ++i)
1466                         tabular.deleteColumn(sel_col_start);
1467                 if (sel_col_start >= tabular.columns())
1468                         --sel_col_start;
1469                 cur.idx() = tabular.getCellNumber(row, sel_col_start);
1470                 cur.pit() = 0;
1471                 cur.pos() = 0;
1472                 cur.selection() = false;
1473                 break;
1474
1475         case LyXTabular::COPY_ROW:
1476                 tabular.copyRow(bv.buffer()->params(), row);
1477                 break;
1478
1479         case LyXTabular::COPY_COLUMN:
1480                 tabular.copyColumn(bv.buffer()->params(), column);
1481                 cur.idx() = tabular.getCellNumber(row, column);
1482                 break;
1483
1484         case LyXTabular::M_TOGGLE_LINE_TOP:
1485                 flag = false;
1486         case LyXTabular::TOGGLE_LINE_TOP: {
1487                 bool lineSet = !tabular.topLine(cur.idx(), flag);
1488                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1489                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1490                                 tabular.setTopLine(
1491                                         tabular.getCellNumber(i, j),
1492                                         lineSet, flag);
1493                 break;
1494         }
1495
1496         case LyXTabular::M_TOGGLE_LINE_BOTTOM:
1497                 flag = false;
1498         case LyXTabular::TOGGLE_LINE_BOTTOM: {
1499                 bool lineSet = !tabular.bottomLine(cur.idx(), flag);
1500                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1501                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1502                                 tabular.setBottomLine(
1503                                         tabular.getCellNumber(i, j),
1504                                         lineSet,
1505                                         flag);
1506                 break;
1507         }
1508
1509         case LyXTabular::M_TOGGLE_LINE_LEFT:
1510                 flag = false;
1511         case LyXTabular::TOGGLE_LINE_LEFT: {
1512                 bool lineSet = !tabular.leftLine(cur.idx(), flag);
1513                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1514                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1515                                 tabular.setLeftLine(
1516                                         tabular.getCellNumber(i,j),
1517                                         lineSet,
1518                                         flag);
1519                 break;
1520         }
1521
1522         case LyXTabular::M_TOGGLE_LINE_RIGHT:
1523                 flag = false;
1524         case LyXTabular::TOGGLE_LINE_RIGHT: {
1525                 bool lineSet = !tabular.rightLine(cur.idx(), flag);
1526                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1527                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1528                                 tabular.setRightLine(
1529                                         tabular.getCellNumber(i,j),
1530                                         lineSet,
1531                                         flag);
1532                 break;
1533         }
1534
1535         case LyXTabular::M_ALIGN_LEFT:
1536         case LyXTabular::M_ALIGN_RIGHT:
1537         case LyXTabular::M_ALIGN_CENTER:
1538                 flag = false;
1539         case LyXTabular::ALIGN_LEFT:
1540         case LyXTabular::ALIGN_RIGHT:
1541         case LyXTabular::ALIGN_CENTER:
1542         case LyXTabular::ALIGN_BLOCK:
1543                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1544                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1545                                 tabular.setAlignment(
1546                                         tabular.getCellNumber(i, j),
1547                                         setAlign,
1548                                         flag);
1549                 break;
1550
1551         case LyXTabular::M_VALIGN_TOP:
1552         case LyXTabular::M_VALIGN_BOTTOM:
1553         case LyXTabular::M_VALIGN_MIDDLE:
1554                 flag = false;
1555         case LyXTabular::VALIGN_TOP:
1556         case LyXTabular::VALIGN_BOTTOM:
1557         case LyXTabular::VALIGN_MIDDLE:
1558                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1559                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1560                                 tabular.setVAlignment(
1561                                         tabular.getCellNumber(i, j),
1562                                         setVAlign, flag);
1563                 break;
1564
1565         case LyXTabular::MULTICOLUMN: {
1566                 if (sel_row_start != sel_row_end) {
1567 #ifdef WITH_WARNINGS
1568 #warning Need I say it ? This is horrible.
1569 #endif
1570                         // FIXME UNICODE
1571                         Alert::error(_("Error setting multicolumn"),
1572                                      _("You cannot set multicolumn vertically."));
1573                         return;
1574                 }
1575                 if (!cur.selection()) {
1576                         // just multicol for one single cell
1577                         // check whether we are completely in a multicol
1578                         if (tabular.isMultiColumn(cur.idx()))
1579                                 tabular.unsetMultiColumn(cur.idx());
1580                         else
1581                                 tabular.setMultiColumn(bv.buffer(), cur.idx(), 1);
1582                         break;
1583                 }
1584                 // we have a selection so this means we just add all this
1585                 // cells to form a multicolumn cell
1586                 idx_type const s_start = cur.selBegin().idx();
1587                 idx_type const s_end = cur.selEnd().idx();
1588                 tabular.setMultiColumn(bv.buffer(), s_start, s_end - s_start + 1);
1589                 cur.idx() = s_start;
1590                 cur.pit() = 0;
1591                 cur.pos() = 0;
1592                 cur.selection() = false;
1593                 break;
1594         }
1595
1596         case LyXTabular::SET_ALL_LINES:
1597                 setLines = true;
1598         case LyXTabular::UNSET_ALL_LINES:
1599                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1600                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1601                                 tabular.setAllLines(
1602                                         tabular.getCellNumber(i,j), setLines);
1603                 break;
1604
1605         case LyXTabular::SET_LONGTABULAR:
1606                 tabular.setLongTabular(true);
1607                 break;
1608
1609         case LyXTabular::UNSET_LONGTABULAR:
1610                 tabular.setLongTabular(false);
1611                 break;
1612
1613         case LyXTabular::SET_ROTATE_TABULAR:
1614                 tabular.setRotateTabular(true);
1615                 break;
1616
1617         case LyXTabular::UNSET_ROTATE_TABULAR:
1618                 tabular.setRotateTabular(false);
1619                 break;
1620
1621         case LyXTabular::SET_ROTATE_CELL:
1622                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1623                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1624                                 tabular.setRotateCell(
1625                                         tabular.getCellNumber(i, j), true);
1626                 break;
1627
1628         case LyXTabular::UNSET_ROTATE_CELL:
1629                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1630                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1631                                 tabular.setRotateCell(
1632                                         tabular.getCellNumber(i, j), false);
1633                 break;
1634
1635         case LyXTabular::SET_USEBOX: {
1636                 LyXTabular::BoxType val = LyXTabular::BoxType(convert<int>(value));
1637                 if (val == tabular.getUsebox(cur.idx()))
1638                         val = LyXTabular::BOX_NONE;
1639                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1640                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1641                                 tabular.setUsebox(tabular.getCellNumber(i, j), val);
1642                 break;
1643         }
1644
1645         case LyXTabular::UNSET_LTFIRSTHEAD:
1646                 flag = false;
1647         case LyXTabular::SET_LTFIRSTHEAD:
1648                 tabular.getRowOfLTFirstHead(row, ltt);
1649                 checkLongtableSpecial(ltt, value, flag);
1650                 tabular.setLTHead(row, flag, ltt, true);
1651                 break;
1652
1653         case LyXTabular::UNSET_LTHEAD:
1654                 flag = false;
1655         case LyXTabular::SET_LTHEAD:
1656                 tabular.getRowOfLTHead(row, ltt);
1657                 checkLongtableSpecial(ltt, value, flag);
1658                 tabular.setLTHead(row, flag, ltt, false);
1659                 break;
1660
1661         case LyXTabular::UNSET_LTFOOT:
1662                 flag = false;
1663         case LyXTabular::SET_LTFOOT:
1664                 tabular.getRowOfLTFoot(row, ltt);
1665                 checkLongtableSpecial(ltt, value, flag);
1666                 tabular.setLTFoot(row, flag, ltt, false);
1667                 break;
1668
1669         case LyXTabular::UNSET_LTLASTFOOT:
1670                 flag = false;
1671         case LyXTabular::SET_LTLASTFOOT:
1672                 tabular.getRowOfLTLastFoot(row, ltt);
1673                 checkLongtableSpecial(ltt, value, flag);
1674                 tabular.setLTFoot(row, flag, ltt, true);
1675                 break;
1676
1677         case LyXTabular::SET_LTNEWPAGE:
1678                 tabular.setLTNewPage(row, !tabular.getLTNewPage(row));
1679                 break;
1680
1681         case LyXTabular::SET_BOOKTABS:
1682                 tabular.setBookTabs(true);
1683                 break;
1684
1685         case LyXTabular::UNSET_BOOKTABS:
1686                 tabular.setBookTabs(false);
1687                 break;
1688
1689         case LyXTabular::SET_TOP_SPACE: {
1690                 LyXLength len;
1691                 if (value == "default")
1692                         for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1693                                 tabular.row_info[i].top_space_default = true;
1694                 else if (isValidLength(value, &len))
1695                         for (row_type i = sel_row_start; i <= sel_row_end; ++i) {
1696                                 tabular.row_info[i].top_space_default = false;
1697                                 tabular.row_info[i].top_space = len;
1698                         }
1699                 else
1700                         for (row_type i = sel_row_start; i <= sel_row_end; ++i) {
1701                                 tabular.row_info[i].top_space_default = false;
1702                                 tabular.row_info[i].top_space = len;
1703                         }
1704                 break;
1705         }
1706
1707         case LyXTabular::SET_BOTTOM_SPACE: {
1708                 LyXLength len;
1709                 if (value == "default")
1710                         for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1711                                 tabular.row_info[i].bottom_space_default = true;
1712                 else if (isValidLength(value, &len))
1713                         for (row_type i = sel_row_start; i <= sel_row_end; ++i) {
1714                                 tabular.row_info[i].bottom_space_default = false;
1715                                 tabular.row_info[i].bottom_space = len;
1716                         }
1717                 else
1718                         for (row_type i = sel_row_start; i <= sel_row_end; ++i) {
1719                                 tabular.row_info[i].bottom_space_default = false;
1720                                 tabular.row_info[i].bottom_space = len;
1721                         }
1722                 break;
1723         }
1724
1725         case LyXTabular::SET_INTERLINE_SPACE: {
1726                 LyXLength len;
1727                 if (value == "default")
1728                         for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1729                                 tabular.row_info[i].interline_space_default = true;
1730                 else if (isValidLength(value, &len))
1731                         for (row_type i = sel_row_start; i <= sel_row_end; ++i) {
1732                                 tabular.row_info[i].interline_space_default = false;
1733                                 tabular.row_info[i].interline_space = len;
1734                         }
1735                 else
1736                         for (row_type i = sel_row_start; i <= sel_row_end; ++i) {
1737                                 tabular.row_info[i].interline_space_default = false;
1738                                 tabular.row_info[i].interline_space = len;
1739                         }
1740                 break;
1741         }
1742
1743         // dummy stuff just to avoid warnings
1744         case LyXTabular::LAST_ACTION:
1745                 break;
1746         }
1747
1748         InsetTabularMailer(*this).updateDialog(&bv);
1749 }
1750
1751
1752 bool InsetTabular::showInsetDialog(BufferView * bv) const
1753 {
1754         InsetTabularMailer(*this).showDialog(bv);
1755         return true;
1756 }
1757
1758
1759 void InsetTabular::openLayoutDialog(BufferView * bv) const
1760 {
1761         InsetTabularMailer(*this).showDialog(bv);
1762 }
1763
1764
1765 bool InsetTabular::copySelection(LCursor & cur)
1766 {
1767         if (!cur.selection())
1768                 return false;
1769
1770         row_type rs, re;
1771         col_type cs, ce;
1772         getSelection(cur, rs, re, cs, ce);
1773
1774         paste_tabular.reset(new LyXTabular(tabular));
1775
1776         for (row_type i = 0; i < rs; ++i)
1777                 paste_tabular->deleteRow(0);
1778
1779         row_type const rows = re - rs + 1;
1780         while (paste_tabular->rows() > rows)
1781                 paste_tabular->deleteRow(rows);
1782
1783         paste_tabular->setTopLine(0, true, true);
1784         paste_tabular->setBottomLine(paste_tabular->getFirstCellInRow(rows - 1),
1785                                      true, true);
1786
1787         for (col_type i = 0; i < cs; ++i)
1788                 paste_tabular->deleteColumn(0);
1789
1790         col_type const columns = ce - cs + 1;
1791         while (paste_tabular->columns() > columns)
1792                 paste_tabular->deleteColumn(columns);
1793
1794         paste_tabular->setLeftLine(0, true, true);
1795         paste_tabular->setRightLine(paste_tabular->getLastCellInRow(0),
1796                                     true, true);
1797
1798         odocstringstream os;
1799         OutputParams const runparams;
1800         paste_tabular->plaintext(cur.buffer(), os, runparams, 0, true, '\t');
1801         theClipboard().put(os.str());
1802         // mark tabular stack dirty
1803         // FIXME: this is a workaround for bug 1919. Should be removed for 1.5,
1804         // when we (hopefully) have a one-for-all paste mechanism.
1805         cap::dirtyTabularStack(true);
1806
1807         return true;
1808 }
1809
1810
1811 bool InsetTabular::pasteSelection(LCursor & cur)
1812 {
1813         if (!paste_tabular)
1814                 return false;
1815         col_type const actcol = tabular.column_of_cell(cur.idx());
1816         row_type const actrow = tabular.row_of_cell(cur.idx());
1817         for (row_type r1 = 0, r2 = actrow;
1818              r1 < paste_tabular->rows() && r2 < tabular.rows();
1819              ++r1, ++r2) {
1820                 for (col_type c1 = 0, c2 = actcol;
1821                     c1 < paste_tabular->columns() && c2 < tabular.columns();
1822                     ++c1, ++c2) {
1823                         if (paste_tabular->isPartOfMultiColumn(r1, c1) &&
1824                             tabular.isPartOfMultiColumn(r2, c2))
1825                                 continue;
1826                         if (paste_tabular->isPartOfMultiColumn(r1, c1)) {
1827                                 --c2;
1828                                 continue;
1829                         }
1830                         if (tabular.isPartOfMultiColumn(r2, c2)) {
1831                                 --c1;
1832                                 continue;
1833                         }
1834                         shared_ptr<InsetText> inset(
1835                                 new InsetText(*paste_tabular->getCellInset(r1, c1)));
1836                         tabular.setCellInset(r2, c2, inset);
1837                         // FIXME: change tracking (MG)
1838                         inset->setChange(Change(cur.buffer().params().trackChanges ?
1839                                                 Change::INSERTED : Change::UNCHANGED));
1840                         cur.pos() = 0;
1841                 }
1842         }
1843         return true;
1844 }
1845
1846
1847 void InsetTabular::cutSelection(LCursor & cur)
1848 {
1849         if (!cur.selection())
1850                 return;
1851
1852         row_type rs, re;
1853         col_type cs, ce;
1854         getSelection(cur, rs, re, cs, ce);
1855         for (row_type i = rs; i <= re; ++i) {
1856                 for (col_type j = cs; j <= ce; ++j) {
1857                         shared_ptr<InsetText> t
1858                                 = cell(tabular.getCellNumber(i, j));
1859                         if (cur.buffer().params().trackChanges)
1860                                 // FIXME: Change tracking (MG)
1861                                 t->setChange(Change(Change::DELETED));
1862                         else
1863                                 t->clear();
1864                 }
1865         }
1866
1867         // cursor position might be invalid now
1868         if (cur.pit() > cur.lastpit())
1869                 cur.pit() = cur.lastpit();
1870         if (cur.pos() > cur.lastpos())
1871                 cur.pos() = cur.lastpos();
1872         cur.clearSelection();
1873 }
1874
1875
1876 bool InsetTabular::isRightToLeft(LCursor & cur) const
1877 {
1878         BOOST_ASSERT(cur.depth() > 1);
1879         Paragraph const & parentpar = cur[cur.depth() - 2].paragraph();
1880         pos_type const parentpos = cur[cur.depth() - 2].pos();
1881         return parentpar.getFontSettings(cur.bv().buffer()->params(),
1882                                          parentpos).language()->rightToLeft();
1883 }
1884
1885
1886 void InsetTabular::getSelection(LCursor & cur,
1887         row_type & rs, row_type & re, col_type & cs, col_type & ce) const
1888 {
1889         CursorSlice const & beg = cur.selBegin();
1890         CursorSlice const & end = cur.selEnd();
1891         cs = tabular.column_of_cell(beg.idx());
1892         ce = tabular.column_of_cell(end.idx());
1893         if (cs > ce) {
1894                 ce = cs;
1895                 cs = tabular.column_of_cell(end.idx());
1896         } else {
1897                 ce = tabular.right_column_of_cell(end.idx());
1898         }
1899
1900         rs = tabular.row_of_cell(beg.idx());
1901         re = tabular.row_of_cell(end.idx());
1902         if (rs > re)
1903                 swap(rs, re);
1904 }
1905
1906
1907 LyXText * InsetTabular::getText(int idx) const
1908 {
1909         return size_t(idx) < nargs() ? cell(idx)->getText(0) : 0;
1910 }
1911
1912
1913 void InsetTabular::setChange(Change const & change)
1914 {
1915         for (idx_type idx = 0; idx < nargs(); ++idx)
1916                 cell(idx)->setChange(change);
1917 }
1918
1919
1920 void InsetTabular::acceptChanges()
1921 {
1922         for (idx_type idx = 0; idx < nargs(); ++idx)
1923                 cell(idx)->acceptChanges();
1924 }
1925
1926
1927 void InsetTabular::rejectChanges()
1928 {
1929         for (idx_type idx = 0; idx < nargs(); ++idx)
1930                 cell(idx)->rejectChanges();
1931 }
1932
1933
1934 bool InsetTabular::forceDefaultParagraphs(idx_type cell) const
1935 {
1936         return tabular.getPWidth(cell).zero();
1937 }
1938
1939
1940 bool InsetTabular::insertAsciiString(BufferView & bv, docstring const & buf,
1941                                      bool usePaste)
1942 {
1943         if (buf.length() <= 0)
1944                 return true;
1945
1946         Buffer const & buffer = *bv.buffer();
1947
1948         col_type cols = 1;
1949         row_type rows = 1;
1950         col_type maxCols = 1;
1951         docstring::size_type const len = buf.length();
1952         docstring::size_type p = 0;
1953
1954         while (p < len &&
1955                (p = buf.find_first_of(from_ascii("\t\n"), p)) != docstring::npos) {
1956                 switch (buf[p]) {
1957                 case '\t':
1958                         ++cols;
1959                         break;
1960                 case '\n':
1961                         if (p + 1 < len)
1962                                 ++rows;
1963                         maxCols = max(cols, maxCols);
1964                         cols = 1;
1965                         break;
1966                 }
1967                 ++p;
1968         }
1969         maxCols = max(cols, maxCols);
1970         LyXTabular * loctab;
1971         idx_type cell = 0;
1972         col_type ocol = 0;
1973         row_type row = 0;
1974         if (usePaste) {
1975                 paste_tabular.reset(
1976                         new LyXTabular(buffer.params(), rows, maxCols));
1977                 loctab = paste_tabular.get();
1978                 cols = 0;
1979                 dirtyTabularStack(true);
1980         } else {
1981                 loctab = &tabular;
1982                 cell = bv.cursor().idx();
1983                 ocol = tabular.column_of_cell(cell);
1984                 row = tabular.row_of_cell(cell);
1985         }
1986
1987         docstring::size_type op = 0;
1988         idx_type const cells = loctab->getNumberOfCells();
1989         p = 0;
1990         cols = ocol;
1991         rows = loctab->rows();
1992         col_type const columns = loctab->columns();
1993
1994         while (cell < cells && p < len && row < rows &&
1995                (p = buf.find_first_of(from_ascii("\t\n"), p)) != docstring::npos)
1996         {
1997                 if (p >= len)
1998                         break;
1999                 switch (buf[p]) {
2000                 case '\t':
2001                         // we can only set this if we are not too far right
2002                         if (cols < columns) {
2003                                 shared_ptr<InsetText> inset = loctab->getCellInset(cell);
2004                                 Paragraph & par = inset->text_.getPar(0);
2005                                 LyXFont const font = inset->text_.getFont(buffer, par, 0);
2006                                 inset->setText(buf.substr(op, p - op), font,
2007                                                buffer.params().trackChanges);
2008                                 ++cols;
2009                                 ++cell;
2010                         }
2011                         break;
2012                 case '\n':
2013                         // we can only set this if we are not too far right
2014                         if (cols < columns) {
2015                                 shared_ptr<InsetText> inset = tabular.getCellInset(cell);
2016                                 Paragraph & par = inset->text_.getPar(0);
2017                                 LyXFont const font = inset->text_.getFont(buffer, par, 0);
2018                                 inset->setText(buf.substr(op, p - op), font,
2019                                                buffer.params().trackChanges);
2020                         }
2021                         cols = ocol;
2022                         ++row;
2023                         if (row < rows)
2024                                 cell = loctab->getCellNumber(row, cols);
2025                         break;
2026                 }
2027                 ++p;
2028                 op = p;
2029         }
2030         // check for the last cell if there is no trailing '\n'
2031         if (cell < cells && op < len) {
2032                 shared_ptr<InsetText> inset = loctab->getCellInset(cell);
2033                 Paragraph & par = inset->text_.getPar(0);
2034                 LyXFont const font = inset->text_.getFont(buffer, par, 0);
2035                 inset->setText(buf.substr(op, len - op), font,
2036                         buffer.params().trackChanges);
2037         }
2038         return true;
2039 }
2040
2041
2042 void InsetTabular::addPreview(PreviewLoader & loader) const
2043 {
2044         row_type const rows = tabular.rows();
2045         col_type const columns = tabular.columns();
2046         for (row_type i = 0; i < rows; ++i) {
2047                 for (col_type j = 0; j < columns; ++j)
2048                         tabular.getCellInset(i, j)->addPreview(loader);
2049         }
2050 }
2051
2052
2053 bool InsetTabular::tablemode(LCursor & cur) const
2054 {
2055         return cur.selection() && cur.selBegin().idx() != cur.selEnd().idx();
2056 }
2057
2058
2059
2060
2061
2062 string const InsetTabularMailer::name_("tabular");
2063
2064 InsetTabularMailer::InsetTabularMailer(InsetTabular const & inset)
2065         : inset_(const_cast<InsetTabular &>(inset))
2066 {}
2067
2068
2069 string const InsetTabularMailer::inset2string(Buffer const &) const
2070 {
2071         return params2string(inset_);
2072 }
2073
2074
2075 void InsetTabularMailer::string2params(string const & in, InsetTabular & inset)
2076 {
2077         istringstream data(in);
2078         LyXLex lex(0,0);
2079         lex.setStream(data);
2080
2081         if (in.empty())
2082                 return;
2083
2084         string token;
2085         lex >> token;
2086         if (!lex || token != name_)
2087                 return print_mailer_error("InsetTabularMailer", in, 1,
2088                                           name_);
2089
2090         // This is part of the inset proper that is usually swallowed
2091         // by Buffer::readInset
2092         lex >> token;
2093         if (!lex || token != "Tabular")
2094                 return print_mailer_error("InsetTabularMailer", in, 2,
2095                                           "Tabular");
2096
2097         Buffer const & buffer = inset.buffer();
2098         inset.read(buffer, lex);
2099 }
2100
2101
2102 string const InsetTabularMailer::params2string(InsetTabular const & inset)
2103 {
2104         ostringstream data;
2105         data << name_ << ' ';
2106         inset.write(inset.buffer(), data);
2107         data << "\\end_inset\n";
2108         return data.str();
2109 }
2110
2111
2112 } // namespace lyx