src/insets/insettext.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1998-2001 The LyX Team.
   7  *
   8  * ======================================================
   9  */
  10
  11 #include <config.h>
  12
  13 #include <fstream>
  14 #include <algorithm>
  15
  16 #include <cstdlib>
  17 //#include <signal.h>
  18
  19 #ifdef __GNUG__
  20 #pragma implementation
  21 #endif
  22
  23 #include "insettext.h"
  24 #include "paragraph.h"
  25 #include "lyxlex.h"
  26 #include "debug.h"
  27 #include "lyxfont.h"
  28 #include "commandtags.h"
  29 #include "buffer.h"
  30 #include "LyXView.h"
  31 #include "BufferView.h"
  32 #include "layout.h"
  33 #include "LaTeXFeatures.h"
  34 #include "Painter.h"
  35 #include "lyx_gui_misc.h"
  36 #include "lyxtext.h"
  37 #include "lyxcursor.h"
  38 #include "CutAndPaste.h"
  39 #include "font.h"
  40 #include "LColor.h"
  41 #include "support/textutils.h"
  42 #include "support/LAssert.h"
  43 #include "support/lstrings.h"
  44 #include "lyxrow.h"
  45 #include "lyxrc.h"
  46 #include "intl.h"
  47 #include "trans_mgr.h"
  48 #include "lyxscreen.h"
  49 #include "WorkArea.h"
  50 #include "gettext.h"
  51 #include "lyxfunc.h"
  52 #include "ParagraphParameters.h"
  53 #include "undo_funcs.h"
  54 #include "lyxfind.h"
  55
  56 using std::ostream;
  57 using std::ifstream;
  58 using std::endl;
  59 using std::min;
  60 using std::max;
  61 using std::make_pair;
  62
  63 extern unsigned char getCurrentTextClass(Buffer *);
  64 extern bool math_insert_greek(BufferView *, char);
  65 extern int greek_kb_flag;
  66
  67
  68 #warning this functions should probably go into bufferview_funcs somehow (Jug)
  69
  70 void InsetText::saveLyXTextState(LyXText * t) const
  71 {
  72         sstate.lpar = t->cursor.par();
  73         sstate.pos = t->cursor.pos();
  74         sstate.boundary = t->cursor.boundary();
  75         sstate.selstartpar = t->selection.start.par();
  76         sstate.selstartpos = t->selection.start.pos();
  77         sstate.selstartboundary = t->selection.start.boundary();
  78         sstate.selendpar = t->selection.end.par();
  79         sstate.selendpos = t->selection.end.pos();
  80         sstate.selendboundary = t->selection.end.boundary();
  81         sstate.selection = t->selection.set();
  82         sstate.mark_set = t->selection.mark();
  83         sstate.refresh = t->refresh_row != 0;
  84 }
  85
  86 void InsetText::restoreLyXTextState(BufferView * bv, LyXText * t) const
  87 {
  88         if (sstate.lpar) {
  89                 t->selection.set(true);
  90                 /* at this point just to avoid the Delete-Empty-Paragraph
  91                  * Mechanism when setting the cursor */
  92                 t->selection.mark(sstate.mark_set);
  93                 if (sstate.selection) {
  94                         t->setCursor(bv, sstate.selstartpar, sstate.selstartpos,
  95                                      true, sstate.selstartboundary);
  96                         t->selection.cursor = t->cursor;
  97                         t->setCursor(bv, sstate.selendpar, sstate.selendpos,
  98                                      true, sstate.selendboundary);
  99                         t->setSelection(bv);
 100                         t->setCursor(bv, sstate.lpar, sstate.pos);
 101                 } else {
 102                         t->setCursor(bv, sstate.lpar, sstate.pos, true, sstate.boundary);
 103                         t->selection.cursor = t->cursor;
 104                         t->selection.set(false);
 105                 }
 106                 if (sstate.refresh) {
 107                 }
 108         }
 109 }
 110
 111
 112 InsetText::InnerCache::InnerCache(boost::shared_ptr<LyXText> t)
 113 {
 114         text = t;
 115         remove = false;
 116 }
 117
 118
 119 InsetText::InsetText()
 120 {
 121         par = new Paragraph;
 122         init();
 123         in_update = false;
 124 }
 125
 126
 127 InsetText::InsetText(InsetText const & ins, bool same_id)
 128         : UpdatableInset()
 129 {
 130         par = 0;
 131         init(&ins, same_id);
 132         in_update = false;
 133         autoBreakRows = ins.autoBreakRows;
 134 }
 135
 136
 137 InsetText & InsetText::operator=(InsetText const & it)
 138 {
 139         init(&it);
 140         autoBreakRows = it.autoBreakRows;
 141         return * this;
 142 }
 143
 144
 145 void InsetText::init(InsetText const * ins, bool same_id)
 146 {
 147         top_y = 0;
 148         last_width = 0;
 149         last_height = 0;
 150         insetAscent = 0;
 151         insetDescent = 0;
 152         insetWidth = 0;
 153         the_locking_inset = 0;
 154         old_max_width = 0;
 155         no_selection = false;
 156         need_update = INIT;
 157         drawTextXOffset = 0;
 158         drawTextYOffset = 0;
 159         autoBreakRows = false;
 160         drawFrame_ = NEVER;
 161         xpos = 0.0;
 162         frame_color = LColor::insetframe;
 163         if (ins) {
 164                 setParagraphData(ins->par);
 165                 autoBreakRows = ins->autoBreakRows;
 166                 drawFrame_ = ins->drawFrame_;
 167                 frame_color = ins->frame_color;
 168                 if (same_id)
 169                         id_ = ins->id_;
 170         }
 171         par->setInsetOwner(this);
 172         locked = false;
 173         old_par = 0;
 174         last_drawn_width = -1;
 175         frame_is_visible = false;
 176         cached_bview = 0;
 177         sstate.lpar = 0;
 178         lt = 0;
 179 }
 180
 181
 182 InsetText::~InsetText()
 183 {
 184         cached_bview = 0;
 185
 186         // NOTE
 187
 188         while (par) {
 189                 Paragraph * tmp = par->next();
 190                 delete par;
 191                 par = tmp;
 192         }
 193 }
 194
 195
 196 void InsetText::clear()
 197 {
 198         while (par) {
 199                 Paragraph * tmp = par->next();
 200                 delete par;
 201                 par = tmp;
 202         }
 203         par = new Paragraph;
 204         reinitLyXText();
 205 }
 206
 207
 208 Inset * InsetText::clone(Buffer const &, bool same_id) const
 209 {
 210         return  new InsetText(*this, same_id);
 211 }
 212
 213
 214 void InsetText::write(Buffer const * buf, ostream & os) const
 215 {
 216         os << "Text\n";
 217         writeParagraphData(buf, os);
 218 }
 219
 220
 221 void InsetText::writeParagraphData(Buffer const * buf, ostream & os) const
 222 {
 223         par->writeFile(buf, os, buf->params, 0);
 224 }
 225
 226
 227 void InsetText::read(Buffer const * buf, LyXLex & lex)
 228 {
 229         string token;
 230         int pos = 0;
 231         Paragraph * return_par = 0;
 232         Paragraph::depth_type depth = 0;
 233         LyXFont font(LyXFont::ALL_INHERIT);
 234
 235         clear();
 236
 237         while (lex.IsOK()) {
 238                 lex.nextToken();
 239                 token = lex.GetString();
 240                 if (token.empty())
 241                         continue;
 242                 if (token == "\\end_inset") {
 243 #ifndef NO_COMPABILITY
 244                         const_cast<Buffer*>(buf)->insertErtContents(par, pos, font, false);
 245 #endif
 246                         break;
 247                 }
 248
 249                 if (const_cast<Buffer*>(buf)->
 250                         parseSingleLyXformat2Token(lex, par, return_par,
 251                                                    token, pos, depth, font)) {
 252                         // the_end read this should NEVER happen
 253                         lex.printError("\\the_end read in inset! Error in document!");
 254                         return;
 255                 }
 256         }
 257         if (!return_par)
 258                 return_par = par;
 259         par = return_par;
 260         while(return_par) {
 261                 return_par->setInsetOwner(this);
 262                 return_par = return_par->next();
 263         }
 264
 265         if (token != "\\end_inset") {
 266                 lex.printError("Missing \\end_inset at this point. "
 267                                            "Read: `$$Token'");
 268         }
 269         need_update = INIT;
 270 }
 271
 272
 273 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 274 {
 275         int y_temp = 0;
 276         Row * row = getLyXText(bv)->getRowNearY(y_temp);
 277         insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 278         return insetAscent;
 279 }
 280
 281
 282 int InsetText::descent(BufferView * bv, LyXFont const &) const
 283 {
 284         bool clear = false;
 285         if (!lt) {
 286                 lt = getLyXText(bv);
 287                 clear = true;
 288         }
 289         int y_temp = 0;
 290         Row * row = lt->getRowNearY(y_temp);
 291         insetDescent = lt->height - row->ascent_of_text() +
 292         TEXT_TO_INSET_OFFSET;
 293         if (clear)
 294                 lt = 0;
 295         return insetDescent;
 296 }
 297
 298
 299 int InsetText::width(BufferView * bv, LyXFont const &) const
 300 {
 301         insetWidth = max(textWidth(bv),
 302                          (int)getLyXText(bv)->width + (2 * TEXT_TO_INSET_OFFSET));
 303         return insetWidth;
 304 }
 305
 306
 307 int InsetText::textWidth(BufferView * bv) const
 308 {
 309         if (!autoBreakRows)
 310                 return -1;
 311         int const w = getMaxWidth(bv, this);
 312         return w;
 313 }
 314
 315
 316 void InsetText::draw(BufferView * bv, LyXFont const & f,
 317                      int baseline, float & x, bool cleared) const
 318 {
 319         if (nodraw())
 320                 return;
 321
 322         Painter & pain = bv->painter();
 323
 324         // this is the first thing we have to ask because if the x pos
 325         // changed we have to do a complete rebreak of the text as we
 326         // may have few space to draw in. Well we should check on this too
 327         if (top_x != int(x)) {
 328                 int old_x = top_x;
 329                 top_x = int(x);
 330                 int nw = getMaxWidth(bv, this);
 331                 if (nw > 0 && old_max_width != nw) {
 332                         need_update = INIT;
 333                         old_max_width = nw;
 334                         bv->text->status(bv, LyXText::CHANGED_IN_DRAW);
 335                         return;
 336                 } else {
 337                         top_x = old_x;
 338                 }
 339                 // dummy calls so that the values are again right
 340                 (void)ascent(bv, f);
 341                 (void)descent(bv, f);
 342                 (void)width(bv, f);
 343         }
 344
 345         // repaint the background if needed
 346         if (cleared && backgroundColor() != LColor::background) {
 347                 clearInset(pain, baseline, cleared);
 348         }
 349
 350         // no draw is necessary !!!
 351         if ((drawFrame_ == LOCKED) && !locked && !par->size()) {
 352                 top_x = int(x);
 353                 top_baseline = baseline;
 354                 x += width(bv, f);
 355                 if (!cleared && (need_update & CLEAR_FRAME))
 356                         clearFrame(pain, cleared);
 357                 else if (cleared)
 358                         frame_is_visible = false;
 359                 need_update = NONE;
 360                 return;
 361         }
 362
 363         xpos = x;
 364         if (!owner())
 365                 x += static_cast<float>(scroll());
 366
 367         // if top_x differs we have a rule down and we don't have to clear anything
 368         if (!cleared && (top_x == int(x)) &&
 369                 ((need_update&(INIT|FULL)) || (top_baseline!=baseline) ||
 370                  (last_drawn_width!=insetWidth))) {
 371                 clearInset(pain, baseline, cleared);
 372         }
 373         top_x = int(x);
 374         if (cleared)
 375                 frame_is_visible = false;
 376
 377         if (!cleared && (need_update == NONE))
 378                 return;
 379
 380 //      lyxerr << "InsetText::draw[" << this << "](" << need_update << ":" << int(x) << ":" << top_x << ")\n";
 381
 382         if (cleared || (last_drawn_width != insetWidth)) {
 383                 need_update |= FULL;
 384                 last_drawn_width = insetWidth;
 385         }
 386
 387         top_baseline = baseline;
 388         top_y = baseline - ascent(bv, f);
 389         last_width = width(bv, f);
 390         last_height = ascent(bv, f) + descent(bv, f);
 391
 392         if (the_locking_inset && (cpar(bv) == inset_par)
 393                 && (cpos(bv) == inset_pos)) {
 394                 inset_x = cx(bv) - top_x + drawTextXOffset;
 395                 inset_y = cy(bv) + drawTextYOffset;
 396         }
 397         if (!cleared && (need_update == CURSOR)
 398                 && !getLyXText(bv)->selection.set())
 399         {
 400                 drawFrame(pain, cleared);
 401                 x += last_width; // was width(bv, f);
 402                 need_update = NONE;
 403                 return;
 404         }
 405         bool clear = false;
 406         if (!lt) {
 407                 lt = getLyXText(bv);
 408                 clear = true;
 409         }
 410         x += TEXT_TO_INSET_OFFSET;
 411
 412         int y = 0;
 413         Row * row = lt->getRowNearY(y);
 414         int y_offset = baseline - row->ascent_of_text();
 415         int ph = pain.paperHeight();
 416         int first = 0;
 417         y = y_offset;
 418         while ((row != 0) && ((y+row->height()) <= 0)) {
 419                 y += row->height();
 420                 first += row->height();
 421                 row = row->next();
 422         }
 423         if (y_offset < 0)
 424                 y_offset = y;
 425         lt->first = first;
 426         if (cleared || (need_update&=(INIT|FULL))) {
 427                 int yf = y_offset;
 428                 y = 0;
 429                 while ((row != 0) && (yf < ph)) {
 430                         lt->getVisibleRow(bv, y+y_offset, int(x), row,
 431                                                 y+first, cleared);
 432                         y += row->height();
 433                         yf += row->height();
 434                         row = row->next();
 435                 }
 436         } else if (!locked) {
 437                 if (need_update & CURSOR) {
 438                         bv->screen()->toggleSelection(lt, bv, true, y_offset,int(x));
 439                         lt->clearSelection();
 440                         lt->selection.cursor = lt->cursor;
 441                 }
 442                 bv->screen()->update(lt, bv, y_offset, int(x));
 443         } else {
 444                 locked = false;
 445                 if (need_update & SELECTION)
 446                         bv->screen()->toggleToggle(lt, bv, y_offset, int(x));
 447                 else if (need_update & CURSOR) {
 448                         bv->screen()->toggleSelection(lt, bv, true, y_offset,int(x));
 449                         lt->clearSelection();
 450                         lt->selection.cursor = lt->cursor;
 451                 }
 452                 bv->screen()->update(lt, bv, y_offset, int(x));
 453                 locked = true;
 454         }
 455
 456         lt->refresh_y = 0;
 457         lt->status(bv, LyXText::UNCHANGED);
 458         if ((need_update != CURSOR_PAR) &&
 459                 ((drawFrame_ == ALWAYS) || ((drawFrame_ == LOCKED) && locked)))
 460                 drawFrame(pain, cleared);
 461         else if (need_update & CLEAR_FRAME)
 462                 clearFrame(pain, cleared);
 463         x += last_width /* was width(bv, f) */ - TEXT_TO_INSET_OFFSET;
 464         if (bv->text->status() == LyXText::CHANGED_IN_DRAW) {
 465                 need_update |= INIT;
 466         } else if (need_update != INIT)
 467                 need_update = NONE;
 468         if (clear)
 469                 lt = 0;
 470 }
 471
 472
 473 void InsetText::drawFrame(Painter & pain, bool cleared) const
 474 {
 475         if (!frame_is_visible || cleared) {
 476                 frame_x = top_x; // + 1;
 477                 frame_y = top_baseline - insetAscent; // + 1;
 478                 frame_w = last_width; // - 2;
 479                 frame_h = insetAscent + insetDescent; // - 2;
 480                 pain.rectangle(frame_x, frame_y, frame_w, frame_h,
 481                                frame_color);
 482                 frame_is_visible = true;
 483         }
 484 }
 485
 486
 487 void InsetText::clearFrame(Painter & pain, bool cleared) const
 488 {
 489         if (frame_is_visible) {
 490                 if (!cleared) {
 491                         pain.rectangle(frame_x, frame_y, frame_w, frame_h,
 492                                        backgroundColor());
 493                 }
 494                 frame_is_visible = false;
 495         }
 496 }
 497
 498
 499 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 500 {
 501         if (in_update)
 502                 return;
 503         in_update = true;
 504         if (reinit) {
 505                 need_update |= INIT;
 506                 resizeLyXText(bv);
 507                 if (owner())
 508                         owner()->update(bv, font, true);
 509                 in_update = false;
 510                 return;
 511         }
 512         if (the_locking_inset) {
 513                 inset_x = cx(bv) - top_x + drawTextXOffset;
 514                 inset_y = cy(bv) + drawTextYOffset;
 515                 the_locking_inset->update(bv, font, reinit);
 516         }
 517
 518         bool clear = false;
 519         if (!lt) {
 520                 lt = getLyXText(bv);
 521                 clear = true;
 522         }
 523         int oldw = insetWidth;
 524         insetWidth = lt->width + (2 * TEXT_TO_INSET_OFFSET);
 525         if (oldw != insetWidth) {
 526                 resizeLyXText(bv);
 527                 need_update |= FULL;
 528                 if (clear)
 529                         lt = 0;
 530                 in_update = false;
 531                 return;
 532         }
 533         if ((need_update & CURSOR_PAR) && (lt->status() == LyXText::UNCHANGED) &&
 534                 the_locking_inset)
 535         {
 536                 lt->updateInset(bv, the_locking_inset);
 537         }
 538         if (lt->status() == LyXText::NEED_MORE_REFRESH)
 539                 need_update |= FULL;
 540         if (clear)
 541                 lt = 0;
 542         in_update = false;
 543 }
 544
 545
 546 void InsetText::setUpdateStatus(BufferView * bv, int what) const
 547 {
 548         bool clear = false;
 549         if (!lt) {
 550                 lt = getLyXText(bv);
 551                 clear = true;
 552         }
 553         need_update |= what;
 554         if (lt->status() == LyXText::NEED_MORE_REFRESH)
 555                 need_update |= FULL;
 556         else if (lt->status() == LyXText::NEED_VERY_LITTLE_REFRESH)
 557                 need_update |= CURSOR_PAR;
 558
 559         // this to not draw a selection when we redraw all of it!
 560         if (need_update & CURSOR) {
 561                 if (lt->selection.set())
 562                         need_update = FULL;
 563                 lt->clearSelection();
 564         }
 565         if (clear)
 566                 lt = 0;
 567 }
 568
 569
 570 void InsetText::updateLocal(BufferView * bv, int what, bool mark_dirty) const
 571 {
 572         bool clear = false;
 573         if (!lt) {
 574                 lt = getLyXText(bv);
 575                 clear = true;
 576         }
 577         lt->fullRebreak(bv);
 578         setUpdateStatus(bv, what);
 579         if ((need_update != CURSOR) || (lt->status() != LyXText::UNCHANGED) ||
 580                 lt->selection.set())
 581         {
 582                 bv->updateInset(const_cast<InsetText *>(this), mark_dirty);
 583         }
 584         bv->owner()->showState();
 585         if (old_par != cpar(bv)) {
 586                 bv->owner()->setLayout(cpar(bv)->getLayout());
 587                 old_par = cpar(bv);
 588         }
 589         if (clear)
 590                 lt = 0;
 591 }
 592
 593
 594 string const InsetText::editMessage() const
 595 {
 596         return _("Opened Text Inset");
 597 }
 598
 599
 600 void InsetText::edit(BufferView * bv, int x, int y, unsigned int button)
 601 {
 602         UpdatableInset::edit(bv, x, y, button);
 603
 604         if (!bv->lockInset(this)) {
 605                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 606                 return;
 607         }
 608         locked = true;
 609         the_locking_inset = 0;
 610         inset_pos = inset_x = inset_y = 0;
 611         inset_boundary = false;
 612         inset_par = 0;
 613         old_par = 0;
 614         int tmp_y = (y < 0) ? 0 : y;
 615         bool clear = false;
 616         if (!lt) {
 617                 lt = getLyXText(bv);
 618                 clear = true;
 619         }
 620
 621         if (!checkAndActivateInset(bv, x, tmp_y, button))
 622                 lt->setCursorFromCoordinates(bv, x - drawTextXOffset,
 623                                             y + insetAscent);
 624         lt->clearSelection();
 625         finishUndo();
 626         showInsetCursor(bv);
 627         updateLocal(bv, CURSOR, false);
 628
 629         // If the inset is empty set the language of the current font to the
 630         // language to the surronding text (if different).
 631         if (par->size() == 0 && !par->next() &&
 632                 bv->getParentLanguage(this) != lt->current_font.language()) {
 633                 LyXFont font(LyXFont::ALL_IGNORE);
 634                 font.setLanguage(bv->getParentLanguage(this));
 635                 setFont(bv, font, false);
 636         }
 637         if (clear)
 638                 lt = 0;
 639 }
 640
 641
 642 void InsetText::edit(BufferView * bv, bool front)
 643 {
 644         UpdatableInset::edit(bv, front);
 645
 646         if (!bv->lockInset(this)) {
 647                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 648                 return;
 649         }
 650         locked = true;
 651         the_locking_inset = 0;
 652         inset_pos = inset_x = inset_y = 0;
 653         inset_boundary = false;
 654         inset_par = 0;
 655         old_par = 0;
 656         bool clear = false;
 657         if (!lt) {
 658                 lt = getLyXText(bv);
 659                 clear = true;
 660         }
 661         if (front)
 662                 lt->setCursor(bv, par, 0);
 663         else {
 664                 Paragraph * p = par;
 665                 while(p->next())
 666                         p = p->next();
 667                 lt->setCursor(bv, p, p->size()-1);
 668         }
 669         lt->clearSelection();
 670         finishUndo();
 671         showInsetCursor(bv);
 672         updateLocal(bv, CURSOR, false);
 673
 674         // If the inset is empty set the language of the current font to the
 675         // language to the surronding text (if different).
 676         if (par->size() == 0 && !par->next() &&
 677                 bv->getParentLanguage(this) != lt->current_font.language()) {
 678                 LyXFont font(LyXFont::ALL_IGNORE);
 679                 font.setLanguage(bv->getParentLanguage(this));
 680                 setFont(bv, font, false);
 681         }
 682         if (clear)
 683                 lt = 0;
 684 }
 685
 686
 687 void InsetText::insetUnlock(BufferView * bv)
 688 {
 689         if (the_locking_inset) {
 690                 the_locking_inset->insetUnlock(bv);
 691                 the_locking_inset = 0;
 692         }
 693         hideInsetCursor(bv);
 694         no_selection = false;
 695         locked = false;
 696         int code;
 697         if (drawFrame_ == LOCKED)
 698                 code = CURSOR|CLEAR_FRAME;
 699         else
 700                 code = CURSOR;
 701         bool clear = false;
 702         if (!lt) {
 703                 lt = getLyXText(bv);
 704                 clear = true;
 705         }
 706         if (lt->selection.set()) {
 707                 lt->clearSelection();
 708                 code = FULL;
 709         } else if (owner()) {
 710                 bv->owner()->setLayout(owner()->getLyXText(bv)
 711                                        ->cursor.par()->getLayout());
 712         } else
 713                 bv->owner()->setLayout(bv->text->cursor.par()->getLayout());
 714         updateLocal(bv, code, false);
 715         if (clear)
 716                 lt = 0;
 717 }
 718
 719
 720 bool InsetText::lockInsetInInset(BufferView * bv, UpdatableInset * inset)
 721 {
 722         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 723                               << inset << "): ";
 724         if (!inset)
 725                 return false;
 726         if (inset == cpar(bv)->getInset(cpos(bv))) {
 727                 lyxerr[Debug::INSETS] << "OK" << endl;
 728                 the_locking_inset = inset;
 729                 inset_x = cx(bv) - top_x + drawTextXOffset;
 730                 inset_y = cy(bv) + drawTextYOffset;
 731                 inset_pos = cpos(bv);
 732                 inset_par = cpar(bv);
 733                 inset_boundary = cboundary(bv);
 734                 updateLocal(bv, CURSOR, false);
 735                 return true;
 736         } else if (the_locking_inset && (the_locking_inset == inset)) {
 737                 if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 738                         lyxerr[Debug::INSETS] << "OK" << endl;
 739                         inset_x = cx(bv) - top_x + drawTextXOffset;
 740                         inset_y = cy(bv) + drawTextYOffset;
 741                 } else {
 742                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 743                 }
 744         } else if (the_locking_inset) {
 745                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 746                 return the_locking_inset->lockInsetInInset(bv, inset);
 747         }
 748         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 749         return false;
 750 }
 751
 752
 753 bool InsetText::unlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 754                                    bool lr)
 755 {
 756         if (!the_locking_inset)
 757                 return false;
 758         if (the_locking_inset == inset) {
 759                 the_locking_inset->insetUnlock(bv);
 760                 getLyXText(bv)->updateInset(bv, inset);
 761                 the_locking_inset = 0;
 762                 if (lr)
 763                         moveRight(bv, false);
 764                 old_par = 0; // force layout setting
 765                 if (scroll())
 766                         scroll(bv, 0.0F);
 767                 else
 768                         updateLocal(bv, CURSOR, false);
 769                 return true;
 770         }
 771         return the_locking_inset->unlockInsetInInset(bv, inset, lr);
 772 }
 773
 774
 775 bool InsetText::updateInsetInInset(BufferView * bv, Inset * inset)
 776 {
 777         if (!the_locking_inset)
 778                 return false;
 779         if (the_locking_inset != inset) {
 780                 getLyXText(bv)->updateInset(bv, the_locking_inset);
 781                 setUpdateStatus(bv, CURSOR_PAR);
 782                 return the_locking_inset->updateInsetInInset(bv, inset);
 783         }
 784 //    updateLocal(bv, FULL, false);
 785         if (getLyXText(bv)->updateInset(bv, inset))
 786                 updateLocal(bv, CURSOR_PAR, false);
 787         if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 788                 inset_x = cx(bv) - top_x + drawTextXOffset;
 789                 inset_y = cy(bv) + drawTextYOffset;
 790         }
 791         return true;
 792 }
 793
 794
 795 void InsetText::insetButtonPress(BufferView * bv, int x, int y, int button)
 796 {
 797         no_selection = true;
 798
 799         int tmp_x = x - drawTextXOffset;
 800         int tmp_y = y + insetAscent - getLyXText(bv)->first;
 801         Inset * inset = bv->checkInsetHit(getLyXText(bv), tmp_x, tmp_y, button);
 802
 803         hideInsetCursor(bv);
 804         if (the_locking_inset) {
 805                 if (the_locking_inset == inset) {
 806                         the_locking_inset->insetButtonPress(bv,x-inset_x,y-inset_y,button);
 807                         no_selection = false;
 808                         return;
 809                 } else if (inset) {
 810                         // otherwise unlock the_locking_inset and lock the new inset
 811                         the_locking_inset->insetUnlock(bv);
 812                         inset_x = cx(bv) - top_x + drawTextXOffset;
 813                         inset_y = cy(bv) + drawTextYOffset;
 814                         the_locking_inset = static_cast<UpdatableInset*>(inset);
 815                         inset->insetButtonPress(bv, x - inset_x, y - inset_y, button);
 816                         inset->edit(bv, x - inset_x, y - inset_y, button);
 817                         if (the_locking_inset)
 818                                 updateLocal(bv, CURSOR, false);
 819                         no_selection = false;
 820                         return;
 821                 }
 822                 // otherwise only unlock the_locking_inset
 823                 the_locking_inset->insetUnlock(bv);
 824                 the_locking_inset = 0;
 825         }
 826         if (bv->theLockingInset()) {
 827                 if (inset && inset->editable() == Inset::HIGHLY_EDITABLE) {
 828                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 829                         inset_x = cx(bv) - top_x + drawTextXOffset;
 830                         inset_y = cy(bv) + drawTextYOffset;
 831                         inset_pos = cpos(bv);
 832                         inset_par = cpar(bv);
 833                         inset_boundary = cboundary(bv);
 834                         the_locking_inset = uinset;
 835                         uinset->insetButtonPress(bv, x - inset_x, y - inset_y,
 836                                                  button);
 837                         uinset->edit(bv, x - inset_x, y - inset_y, 0);
 838                         if (the_locking_inset)
 839                                 updateLocal(bv, CURSOR, false);
 840                         no_selection = false;
 841                         return;
 842                 }
 843         }
 844         if (!inset) { // && (button == 2)) {
 845                 bool paste_internally = false;
 846                 if ((button == 2) && getLyXText(bv)->selection.set()) {
 847                         localDispatch(bv, LFUN_COPY, "");
 848                         paste_internally = true;
 849                 }
 850                 getLyXText(bv)->setCursorFromCoordinates(bv, x-drawTextXOffset,
 851                                                          y + insetAscent);
 852                 getLyXText(bv)->clearSelection();
 853                 updateLocal(bv, FULL, false);
 854                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
 855                 bv->owner()->setLayout(cpar(bv)->getLayout());
 856                 old_par = cpar(bv);
 857                 // Insert primary selection with middle mouse
 858                 // if there is a local selection in the current buffer,
 859                 // insert this
 860                 if (button == 2) {
 861                         if (paste_internally)
 862                                 localDispatch(bv, LFUN_PASTE, "");
 863                         else
 864                                 localDispatch(bv, LFUN_PASTESELECTION,
 865                                               "paragraph");
 866                 }
 867         }
 868         showInsetCursor(bv);
 869         no_selection = false;
 870 }
 871
 872
 873 void InsetText::insetButtonRelease(BufferView * bv, int x, int y, int button)
 874 {
 875         UpdatableInset * inset = 0;
 876
 877         if (the_locking_inset) {
 878                 the_locking_inset->insetButtonRelease(bv,
 879                                                       x - inset_x, y - inset_y,
 880                                                       button);
 881         } else {
 882                 if (cpar(bv)->getChar(cpos(bv)) == Paragraph::META_INSET) {
 883                         inset = static_cast<UpdatableInset*>(cpar(bv)->getInset(cpos(bv)));
 884                         if (inset->editable() == Inset::HIGHLY_EDITABLE) {
 885                                 inset->insetButtonRelease(bv,
 886                                                           x - inset_x,
 887                                                           y - inset_y, button);
 888                         } else {
 889                                 inset_x = cx(bv) - top_x + drawTextXOffset;
 890                                 inset_y = cy(bv) + drawTextYOffset;
 891                                 inset->insetButtonRelease(bv,
 892                                                           x - inset_x,
 893                                                           y - inset_y, button);
 894                                 inset->edit(bv,
 895                                             x - inset_x, y - inset_y, button);
 896                         }
 897                         updateLocal(bv, CURSOR_PAR, false);
 898                 }
 899         }
 900         no_selection = false;
 901 }
 902
 903
 904 void InsetText::insetMotionNotify(BufferView * bv, int x, int y, int state)
 905 {
 906         if (no_selection)
 907                 return;
 908         if (the_locking_inset) {
 909                 the_locking_inset->insetMotionNotify(bv, x - inset_x,
 910                                                      y - inset_y,state);
 911                 return;
 912         }
 913         LyXText * t = getLyXText(bv);
 914         hideInsetCursor(bv);
 915         t->setCursorFromCoordinates(bv, x - drawTextXOffset, y + insetAscent);
 916         t->setSelection(bv);
 917         if (t->toggle_cursor.par() != t->toggle_end_cursor.par() ||
 918                 t->toggle_cursor.pos() != t->toggle_end_cursor.pos())
 919                 updateLocal(bv, SELECTION, false);
 920         showInsetCursor(bv);
 921 }
 922
 923
 924 void InsetText::insetKeyPress(XKeyEvent * xke)
 925 {
 926         if (the_locking_inset) {
 927                 the_locking_inset->insetKeyPress(xke);
 928                 return;
 929         }
 930 }
 931
 932
 933 UpdatableInset::RESULT
 934 InsetText::localDispatch(BufferView * bv,
 935                          kb_action action, string const & arg)
 936 {
 937         no_selection = false;
 938         UpdatableInset::RESULT
 939                 result= UpdatableInset::localDispatch(bv, action, arg);
 940         if (result != UNDISPATCHED) {
 941                 return DISPATCHED;
 942         }
 943
 944         result = DISPATCHED;
 945         if ((action < 0) && arg.empty())
 946                 return FINISHED;
 947
 948         if (the_locking_inset) {
 949                 result = the_locking_inset->localDispatch(bv, action, arg);
 950                 if (result == DISPATCHED_NOUPDATE)
 951                         return result;
 952                 else if (result == DISPATCHED) {
 953                         updateLocal(bv, CURSOR_PAR, false);
 954                         return result;
 955                 } else if (result == FINISHED) {
 956                         bool dispatched = false;
 957                         switch (action) {
 958                         case LFUN_UNKNOWN_ACTION:
 959                         case LFUN_BREAKPARAGRAPH:
 960                         case LFUN_BREAKLINE:
 961                                 moveRightIntern(bv, false, false);
 962                                 break;
 963                         case LFUN_RIGHT:
 964                                 if (!getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 965                                         moveRightIntern(bv, false, false);
 966                                 dispatched = true;
 967                                 break;
 968                         case LFUN_LEFT:
 969                                 if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 970                                         moveRightIntern(bv, false, false);
 971                                 dispatched = true;
 972                                 break;
 973                         default:
 974                                 break;
 975                         }
 976                         the_locking_inset = 0;
 977                         if (dispatched)
 978                                 return DISPATCHED;
 979                 }
 980         }
 981         hideInsetCursor(bv);
 982         bool clear = false;
 983         if (!lt) {
 984                 lt = getLyXText(bv);
 985                 clear = true;
 986         }
 987         switch (action) {
 988         // Normal chars
 989         case LFUN_SELFINSERT:
 990                 if (bv->buffer()->isReadonly()) {
 991 //          setErrorMessage(N_("Document is read only"));
 992                         break;
 993                 }
 994                 if (!arg.empty()) {
 995                         /* Automatically delete the currently selected
 996                          * text and replace it with what is being
 997                          * typed in now. Depends on lyxrc settings
 998                          * "auto_region_delete", which defaults to
 999                          * true (on). */
1000
1001                         setUndo(bv, Undo::INSERT,
1002                                 lt->cursor.par(), lt->cursor.par()->next());
1003                         bv->setState();
1004                         if (lyxrc.auto_region_delete) {
1005                                 if (lt->selection.set()) {
1006                                         lt->cutSelection(bv, false);
1007                                 }
1008                         }
1009                         lt->clearSelection();
1010                         for (string::size_type i = 0; i < arg.length(); ++i) {
1011                                 bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], lt);
1012                         }
1013                 }
1014                 lt->selection.cursor = lt->cursor;
1015                 updateLocal(bv, CURSOR_PAR, true);
1016                 result = DISPATCHED_NOUPDATE;
1017                 break;
1018                 // --- Cursor Movements -----------------------------------
1019         case LFUN_RIGHTSEL:
1020                 finishUndo();
1021                 moveRight(bv, false, true);
1022                 lt->setSelection(bv);
1023                 updateLocal(bv, SELECTION, false);
1024                 break;
1025         case LFUN_RIGHT:
1026                 result = moveRight(bv);
1027                 finishUndo();
1028                 updateLocal(bv, CURSOR, false);
1029                 break;
1030         case LFUN_LEFTSEL:
1031                 finishUndo();
1032                 moveLeft(bv, false, true);
1033                 lt->setSelection(bv);
1034                 updateLocal(bv, SELECTION, false);
1035                 break;
1036         case LFUN_LEFT:
1037                 finishUndo();
1038                 result = moveLeft(bv);
1039                 updateLocal(bv, CURSOR, false);
1040                 break;
1041         case LFUN_DOWNSEL:
1042                 finishUndo();
1043                 moveDown(bv);
1044                 lt->setSelection(bv);
1045                 updateLocal(bv, SELECTION, false);
1046                 break;
1047         case LFUN_DOWN:
1048                 finishUndo();
1049                 result = moveDown(bv);
1050                 updateLocal(bv, CURSOR, false);
1051                 break;
1052         case LFUN_UPSEL:
1053                 finishUndo();
1054                 moveUp(bv);
1055                 lt->setSelection(bv);
1056                 updateLocal(bv, SELECTION, false);
1057                 break;
1058         case LFUN_UP:
1059                 finishUndo();
1060                 result = moveUp(bv);
1061                 updateLocal(bv, CURSOR, false);
1062                 break;
1063         case LFUN_HOME:
1064                 finishUndo();
1065                 lt->cursorHome(bv);
1066                 updateLocal(bv, CURSOR, false);
1067                 break;
1068         case LFUN_END:
1069                 lt->cursorEnd(bv);
1070                 updateLocal(bv, CURSOR, false);
1071                 break;
1072         case LFUN_BACKSPACE: {
1073                 setUndo(bv, Undo::DELETE,
1074                         lt->cursor.par(), lt->cursor.par()->next());
1075                 if (lt->selection.set())
1076                         lt->cutSelection(bv);
1077                 else
1078                         lt->backspace(bv);
1079                 updateLocal(bv, CURSOR_PAR, true);
1080         }
1081         break;
1082
1083         case LFUN_DELETE: {
1084                 setUndo(bv, Undo::DELETE,
1085                         lt->cursor.par(), lt->cursor.par()->next());
1086                 if (lt->selection.set()) {
1087                         lt->cutSelection(bv);
1088                 } else {
1089                         lt->Delete(bv);
1090                 }
1091                 updateLocal(bv, CURSOR_PAR, true);
1092         }
1093         break;
1094
1095         case LFUN_CUT: {
1096                 setUndo(bv, Undo::DELETE,
1097                         lt->cursor.par(), lt->cursor.par()->next());
1098                 lt->cutSelection(bv);
1099                 updateLocal(bv, CURSOR_PAR, true);
1100         }
1101         break;
1102
1103         case LFUN_COPY:
1104                 finishUndo();
1105                 lt->copySelection(bv);
1106                 updateLocal(bv, CURSOR_PAR, false);
1107                 break;
1108         case LFUN_PASTESELECTION:
1109         {
1110                 string const clip(bv->getClipboard());
1111
1112                 if (clip.empty())
1113                         break;
1114                 if (arg == "paragraph") {
1115                         lt->insertStringAsParagraphs(bv, clip);
1116                 } else {
1117                         lt->insertStringAsLines(bv, clip);
1118                 }
1119                 updateLocal(bv, CURSOR_PAR, true);
1120                 break;
1121         }
1122         case LFUN_PASTE: {
1123                 if (!autoBreakRows) {
1124
1125                         if (CutAndPaste::nrOfParagraphs() > 1) {
1126                                 WriteAlert(_("Impossible operation"),
1127                                                    _("Cannot include more than one paragraph!"),
1128                                                    _("Sorry."));
1129                                 break;
1130                         }
1131                 }
1132                 setUndo(bv, Undo::INSERT,
1133                         lt->cursor.par(), lt->cursor.par()->next());
1134                 lt->pasteSelection(bv);
1135                 updateLocal(bv, CURSOR_PAR, true);
1136         }
1137         break;
1138
1139         case LFUN_BREAKPARAGRAPH:
1140                 if (!autoBreakRows) {
1141                         result = DISPATCHED;
1142                         break;
1143                 }
1144                 lt->breakParagraph(bv, 0);
1145                 updateLocal(bv, FULL, true);
1146                 break;
1147         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1148                 if (!autoBreakRows) {
1149                         result = DISPATCHED;
1150                         break;
1151                 }
1152                 lt->breakParagraph(bv, 1);
1153                 updateLocal(bv, FULL, true);
1154                 break;
1155
1156         case LFUN_BREAKLINE: {
1157                 if (!autoBreakRows) {
1158                         result = DISPATCHED;
1159                         break;
1160                 }
1161                 setUndo(bv, Undo::INSERT,
1162                         lt->cursor.par(), lt->cursor.par()->next());
1163                 lt->insertChar(bv, Paragraph::META_NEWLINE);
1164                 updateLocal(bv, CURSOR_PAR, true);
1165         }
1166         break;
1167
1168         case LFUN_LAYOUT:
1169                 // do not set layouts on non breakable textinsets
1170                 if (autoBreakRows) {
1171                         LyXTextClass::size_type cur_layout = cpar(bv)->layout;
1172
1173                         // Derive layout number from given argument (string)
1174                         // and current buffer's textclass (number). */
1175                         LyXTextClassList::ClassList::size_type tclass =
1176                                 bv->buffer()->params.textclass;
1177                         std::pair <bool, LyXTextClass::size_type> layout =
1178                                 textclasslist.NumberOfLayout(tclass, arg);
1179
1180                         // If the entry is obsolete, use the new one instead.
1181                         if (layout.first) {
1182                                 string obs = textclasslist.Style(tclass,layout.second).
1183                                         obsoleted_by();
1184                                 if (!obs.empty())
1185                                         layout = textclasslist.NumberOfLayout(tclass, obs);
1186                         }
1187
1188                         // see if we found the layout number:
1189                         if (!layout.first) {
1190                                 string const msg = string(N_("Layout ")) + arg + N_(" not known");
1191                                 bv->owner()->getLyXFunc()->dispatch(LFUN_MESSAGE, msg);
1192                                 break;
1193                         }
1194
1195                         if (cur_layout != layout.second) {
1196                                 cur_layout = layout.second;
1197                                 lt->setLayout(bv, layout.second);
1198                                 bv->owner()->setLayout(cpar(bv)->getLayout());
1199                                 updateLocal(bv, CURSOR_PAR, true);
1200                         }
1201                 } else {
1202                         // reset the layout box
1203                         bv->owner()->setLayout(cpar(bv)->getLayout());
1204                 }
1205                 break;
1206         case LFUN_PARAGRAPH_SPACING:
1207                 // This one is absolutely not working. When fiddling with this
1208                 // it also seems to me that the paragraphs inside the insettext
1209                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1210         {
1211                 Paragraph * par = lt->cursor.par();
1212                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
1213                 float cur_value = 1.0;
1214                 if (cur_spacing == Spacing::Other) {
1215                         cur_value = par->params().spacing().getValue();
1216                 }
1217
1218                 istringstream istr(arg.c_str());
1219                 string tmp;
1220                 istr >> tmp;
1221                 Spacing::Space new_spacing = cur_spacing;
1222                 float new_value = cur_value;
1223                 if (tmp.empty()) {
1224                         lyxerr << "Missing argument to `paragraph-spacing'"
1225                                    << endl;
1226                 } else if (tmp == "single") {
1227                         new_spacing = Spacing::Single;
1228                 } else if (tmp == "onehalf") {
1229                         new_spacing = Spacing::Onehalf;
1230                 } else if (tmp == "double") {
1231                         new_spacing = Spacing::Double;
1232                 } else if (tmp == "other") {
1233                         new_spacing = Spacing::Other;
1234                         float tmpval = 0.0;
1235                         istr >> tmpval;
1236                         lyxerr << "new_value = " << tmpval << endl;
1237                         if (tmpval != 0.0)
1238                                 new_value = tmpval;
1239                 } else if (tmp == "default") {
1240                         new_spacing = Spacing::Default;
1241                 } else {
1242                         lyxerr << _("Unknown spacing argument: ")
1243                                    << arg << endl;
1244                 }
1245                 if (cur_spacing != new_spacing || cur_value != new_value) {
1246                         par->params().spacing(Spacing(new_spacing, new_value));
1247                         updateLocal(bv, CURSOR_PAR, true);
1248                 }
1249         }
1250         break;
1251
1252         default:
1253                 if (!bv->Dispatch(action, arg))
1254                         result = UNDISPATCHED;
1255                 break;
1256         }
1257
1258         /// If the action has deleted all text in the inset, we need to change the
1259         // language to the language of the surronding text.
1260         if (par->size() == 0 && !par->next()) {
1261                 LyXFont font(LyXFont::ALL_IGNORE);
1262                 font.setLanguage(bv->getParentLanguage(this));
1263                 setFont(bv, font, false);
1264         }
1265
1266         if (result != FINISHED) {
1267                 showInsetCursor(bv);
1268         } else
1269                 bv->unlockInset(this);
1270         if (clear)
1271                 lt = 0;
1272         return result;
1273 }
1274
1275
1276 int InsetText::latex(Buffer const * buf, ostream & os, bool, bool) const
1277 {
1278         TexRow texrow;
1279         buf->latexParagraphs(os, par, 0, texrow);
1280         return texrow.rows();
1281 }
1282
1283
1284 int InsetText::ascii(Buffer const * buf, ostream & os, int linelen) const
1285 {
1286         Paragraph * p = par;
1287         unsigned int lines = 0;
1288
1289         while (p) {
1290                 string const tmp = buf->asciiParagraph(p, linelen);
1291                 lines += countChar(tmp, '\n');
1292                 os << tmp;
1293                 p = p->next();
1294         }
1295         return lines;
1296 }
1297
1298
1299 int InsetText::docBook(Buffer const * buf, ostream & os) const
1300 {
1301         Paragraph * p = par;
1302         unsigned int lines = 0;
1303         int desc = 0;
1304
1305         string tmp;
1306         while (p) {
1307                 buf->simpleDocBookOnePar(os, tmp, p, desc, 0);
1308                 p = p->next();
1309         }
1310
1311         return lines;
1312 }
1313
1314
1315 void InsetText::validate(LaTeXFeatures & features) const
1316 {
1317         Paragraph * p = par;
1318         while (p) {
1319                 p->validate(features);
1320                 p = p->next();
1321         }
1322 }
1323
1324
1325 int InsetText::beginningOfMainBody(Buffer const * buf, Paragraph * p) const
1326 {
1327         if (textclasslist.Style(buf->params.textclass,
1328                                 p->getLayout()).labeltype != LABEL_MANUAL)
1329                 return 0;
1330         else
1331                 return p->beginningOfMainBody();
1332 }
1333
1334
1335 void InsetText::getCursorPos(BufferView * bv,
1336                              int & x, int & y) const
1337 {
1338         if (the_locking_inset) {
1339                 the_locking_inset->getCursorPos(bv, x, y);
1340                 return;
1341         }
1342         x = cx(bv);
1343         y = cy(bv);
1344 }
1345
1346
1347 unsigned int InsetText::insetInInsetY()
1348 {
1349         if (!the_locking_inset)
1350                 return 0;
1351
1352         return (inset_y + the_locking_inset->insetInInsetY());
1353 }
1354
1355
1356 void InsetText::toggleInsetCursor(BufferView * bv)
1357 {
1358         if (the_locking_inset) {
1359                 the_locking_inset->toggleInsetCursor(bv);
1360                 return;
1361         }
1362
1363         LyXFont const font(getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv)));
1364
1365         int const asc = lyxfont::maxAscent(font);
1366         int const desc = lyxfont::maxDescent(font);
1367
1368         if (isCursorVisible())
1369                 bv->hideLockedInsetCursor();
1370         else
1371                 bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1372         toggleCursorVisible();
1373 }
1374
1375
1376 void InsetText::showInsetCursor(BufferView * bv, bool show)
1377 {
1378         if (the_locking_inset) {
1379                 the_locking_inset->showInsetCursor(bv, show);
1380                 return;
1381         }
1382         if (!isCursorVisible()) {
1383                 LyXFont const font =
1384                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1385
1386                 int const asc = lyxfont::maxAscent(font);
1387                 int const desc = lyxfont::maxDescent(font);
1388
1389                 bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1390                 if (show)
1391                         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1392                 setCursorVisible(true);
1393         }
1394 }
1395
1396
1397 void InsetText::hideInsetCursor(BufferView * bv)
1398 {
1399         if (isCursorVisible()) {
1400                 bv->hideLockedInsetCursor();
1401                 setCursorVisible(false);
1402         }
1403         if (the_locking_inset)
1404                 the_locking_inset->hideInsetCursor(bv);
1405 }
1406
1407
1408 void InsetText::fitInsetCursor(BufferView * bv) const
1409 {
1410         if (the_locking_inset) {
1411                 the_locking_inset->fitInsetCursor(bv);
1412                 return;
1413         }
1414         LyXFont const font =
1415                 getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1416
1417         int const asc = lyxfont::maxAscent(font);
1418         int const desc = lyxfont::maxDescent(font);
1419
1420         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1421 }
1422
1423
1424 UpdatableInset::RESULT
1425 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1426 {
1427         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1428                 return moveLeftIntern(bv, false, activate_inset, selecting);
1429         else
1430                 return moveRightIntern(bv, false, activate_inset, selecting);
1431 }
1432
1433
1434 UpdatableInset::RESULT
1435 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1436 {
1437         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1438                 return moveRightIntern(bv, true, activate_inset, selecting);
1439         else
1440                 return moveLeftIntern(bv, true, activate_inset, selecting);
1441 }
1442
1443
1444 UpdatableInset::RESULT
1445 InsetText::moveRightIntern(BufferView * bv, bool behind,
1446                            bool activate_inset, bool selecting)
1447 {
1448         if (!cpar(bv)->next() && (cpos(bv) >= cpar(bv)->size()))
1449                 return FINISHED;
1450         if (activate_inset && checkAndActivateInset(bv, behind))
1451                 return DISPATCHED;
1452         getLyXText(bv)->cursorRight(bv);
1453         if (!selecting)
1454                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1455         return DISPATCHED_NOUPDATE;
1456 }
1457
1458
1459 UpdatableInset::RESULT
1460 InsetText::moveLeftIntern(BufferView * bv, bool behind,
1461                           bool activate_inset, bool selecting)
1462 {
1463         if (!cpar(bv)->previous() && (cpos(bv) <= 0))
1464                 return FINISHED;
1465         getLyXText(bv)->cursorLeft(bv);
1466         if (!selecting)
1467                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1468         if (activate_inset && checkAndActivateInset(bv, behind))
1469                 return DISPATCHED;
1470         return DISPATCHED_NOUPDATE;
1471 }
1472
1473
1474 UpdatableInset::RESULT
1475 InsetText::moveUp(BufferView * bv)
1476 {
1477         if (!crow(bv)->previous())
1478                 return FINISHED;
1479         getLyXText(bv)->cursorUp(bv);
1480         return DISPATCHED_NOUPDATE;
1481 }
1482
1483
1484 UpdatableInset::RESULT
1485 InsetText::moveDown(BufferView * bv)
1486 {
1487         if (!crow(bv)->next())
1488                 return FINISHED;
1489         getLyXText(bv)->cursorDown(bv);
1490         return DISPATCHED_NOUPDATE;
1491 }
1492
1493
1494 bool InsetText::insertInset(BufferView * bv, Inset * inset)
1495 {
1496         if (the_locking_inset) {
1497                 if (the_locking_inset->insetAllowed(inset))
1498                         return the_locking_inset->insertInset(bv, inset);
1499                 return false;
1500         }
1501         inset->setOwner(this);
1502         hideInsetCursor(bv);
1503
1504         bool clear = false;
1505         if (!lt) {
1506                 lt = getLyXText(bv);
1507                 clear = true;
1508         }
1509         lt->insertInset(bv, inset);
1510 #if 0
1511         if ((cpar(bv)->getChar(cpos(bv)) != Paragraph::META_INSET) ||
1512                 (cpar(bv)->getInset(cpos(bv)) != inset))
1513                 lt->cursorLeft(bv);
1514 #endif
1515         bv->fitCursor();
1516         updateLocal(bv, CURSOR_PAR|CURSOR, true);
1517         showInsetCursor(bv);
1518         if (clear)
1519                 lt = 0;
1520         return true;
1521 }
1522
1523
1524 bool InsetText::insetAllowed(Inset::Code code) const
1525 {
1526         if (the_locking_inset)
1527                 return the_locking_inset->insetAllowed(code);
1528         return true;
1529 }
1530
1531
1532 UpdatableInset * InsetText::getLockingInset() const
1533 {
1534         return the_locking_inset ? the_locking_inset->getLockingInset() :
1535                 const_cast<InsetText *>(this);
1536 }
1537
1538
1539 UpdatableInset * InsetText::getFirstLockingInsetOfType(Inset::Code c)
1540 {
1541         if (c == lyxCode())
1542                 return this;
1543         if (the_locking_inset)
1544                 return the_locking_inset->getFirstLockingInsetOfType(c);
1545         return 0;
1546 }
1547
1548
1549 bool InsetText::showInsetDialog(BufferView * bv) const
1550 {
1551         if (the_locking_inset)
1552                 return the_locking_inset->showInsetDialog(bv);
1553         return false;
1554 }
1555
1556
1557 std::vector<string> const InsetText::getLabelList() const
1558 {
1559         std::vector<string> label_list;
1560
1561         Paragraph * tpar = par;
1562         while (tpar) {
1563                 Paragraph::inset_iterator beg = tpar->inset_iterator_begin();
1564                 Paragraph::inset_iterator end = tpar->inset_iterator_end();
1565                 for (; beg != end; ++beg) {
1566                         std::vector<string> const l = (*beg)->getLabelList();
1567                         label_list.insert(label_list.end(), l.begin(), l.end());
1568                 }
1569                 tpar = tpar->next();
1570         }
1571         return label_list;
1572 }
1573
1574
1575 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
1576                         bool selectall)
1577 {
1578         if (the_locking_inset) {
1579                 the_locking_inset->setFont(bv, font, toggleall, selectall);
1580                 return;
1581         }
1582         if ((!par->next() && !par->size()) || !cpar(bv)->size()) {
1583                 getLyXText(bv)->setFont(bv, font, toggleall);
1584                 return;
1585         }
1586         bool clear = false;
1587         if (!lt) {
1588                 lt = getLyXText(bv);
1589                 clear = true;
1590         }
1591         if (lt->selection.set()) {
1592                 setUndo(bv, Undo::EDIT, lt->cursor.par(), lt->cursor.par()->next());
1593         }
1594         if (selectall)
1595                 selectAll(bv);
1596         lt->toggleFree(bv, font, toggleall);
1597         if (selectall)
1598                 lt->clearSelection();
1599         bv->fitCursor();
1600         if (selectall || lt->selection.set())
1601                 updateLocal(bv, FULL, true);
1602         else
1603                 updateLocal(bv, CURSOR_PAR, true);
1604         if (clear)
1605                 lt = 0;
1606 }
1607
1608
1609 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1610 {
1611         if (cpar(bv)->getChar(cpos(bv)) == Paragraph::META_INSET) {
1612                 unsigned int x;
1613                 unsigned int y;
1614                 Inset * inset =
1615                         static_cast<UpdatableInset*>(cpar(bv)->getInset(cpos(bv)));
1616                 if (!inset || inset->editable() != Inset::HIGHLY_EDITABLE)
1617                         return false;
1618                 LyXFont const font =
1619                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1620                 if (behind) {
1621                         x = inset->width(bv, font);
1622                         y = font.isRightToLeft() ? 0 : inset->descent(bv, font);
1623                 } else {
1624                         x = 0;
1625                         y = font.isRightToLeft() ? inset->descent(bv, font) : 0;
1626                 }
1627                 //inset_x = cx(bv) - top_x + drawTextXOffset;
1628                 //inset_y = cy(bv) + drawTextYOffset;
1629                 inset->edit(bv, x, y, 0);
1630                 if (!the_locking_inset)
1631                         return false;
1632                 updateLocal(bv, CURSOR, false);
1633                 return true;
1634         }
1635         return false;
1636 }
1637
1638
1639 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1640                                       int button)
1641 {
1642         x -= drawTextXOffset;
1643         int dummyx = x;
1644         int dummyy = y + insetAscent;
1645         Inset * inset = bv->checkInsetHit(getLyXText(bv), dummyx, dummyy, button);
1646
1647         if (inset) {
1648                 if (x < 0)
1649                         x = insetWidth;
1650                 if (y < 0)
1651                         y = insetDescent;
1652                 inset_x = cx(bv) - top_x + drawTextXOffset;
1653                 inset_y = cy(bv) + drawTextYOffset;
1654                 inset->edit(bv, x - inset_x, y - inset_y, button);
1655                 if (!the_locking_inset)
1656                         return false;
1657                 updateLocal(bv, CURSOR, false);
1658                 return true;
1659         }
1660         return false;
1661 }
1662
1663
1664 int InsetText::getMaxWidth(BufferView * bv, UpdatableInset const * inset) const
1665 {
1666         int w = UpdatableInset::getMaxWidth(bv, inset);
1667         if (w < 0) {
1668                 return w;
1669         }
1670         if (owner()) {
1671                 w = w - top_x + owner()->x();
1672                 return w;
1673         }
1674         w -= (2 * TEXT_TO_INSET_OFFSET);
1675         return w - top_x;
1676 }
1677
1678
1679 void InsetText::setParagraphData(Paragraph * p)
1680 {
1681         while (par) {
1682                 Paragraph * tmp = par->next();
1683                 delete par;
1684                 par = tmp;
1685         }
1686
1687         par = new Paragraph(*p);
1688         par->setInsetOwner(this);
1689         Paragraph * np = par;
1690         while (p->next()) {
1691                 p = p->next();
1692                 np->next(new Paragraph(*p));
1693                 np->next()->previous(np);
1694                 np = np->next();
1695                 np->setInsetOwner(this);
1696         }
1697         reinitLyXText();
1698 }
1699
1700
1701 void InsetText::setText(string const & data)
1702 {
1703         clear();
1704         LyXFont font(LyXFont::ALL_SANE);
1705         for (unsigned int i=0; i < data.length(); ++i)
1706                 par->insertChar(i, data[i], font);
1707 }
1708
1709
1710 void InsetText::setAutoBreakRows(bool flag)
1711 {
1712         if (flag != autoBreakRows) {
1713                 autoBreakRows = flag;
1714                 need_update = FULL;
1715                 if (!flag)
1716                         removeNewlines();
1717                 reinitLyXText();
1718         }
1719 }
1720
1721
1722 void InsetText::setDrawFrame(BufferView * bv, DrawFrame how)
1723 {
1724         if (how != drawFrame_) {
1725                 drawFrame_ = how;
1726                 if (bv)
1727                         updateLocal(bv, DRAW_FRAME, false);
1728         }
1729 }
1730
1731
1732 void InsetText::setFrameColor(BufferView * bv, LColor::color col)
1733 {
1734         if (frame_color != col) {
1735                 frame_color = col;
1736                 if (bv)
1737                         updateLocal(bv, DRAW_FRAME, false);
1738         }
1739 }
1740
1741
1742 int InsetText::cx(BufferView * bv) const
1743 {
1744         bool clear = false;
1745         if (!lt) {
1746                 lt = getLyXText(bv);
1747                 clear = true;
1748         }
1749         int x = lt->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1750         if (the_locking_inset) {
1751                 LyXFont font = lt->getFont(bv->buffer(),
1752                                              lt->cursor.par(),
1753                                              lt->cursor.pos());
1754                 if (font.isVisibleRightToLeft())
1755                         x -= the_locking_inset->width(bv, font);
1756         }
1757         if (clear)
1758                 lt = 0;
1759         return x;
1760 }
1761
1762
1763 int InsetText::cy(BufferView * bv) const
1764 {
1765         LyXFont font;
1766         return getLyXText(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
1767 }
1768
1769
1770 Paragraph::size_type InsetText::cpos(BufferView * bv) const
1771 {
1772         return getLyXText(bv)->cursor.pos();
1773 }
1774
1775
1776 Paragraph * InsetText::cpar(BufferView * bv) const
1777 {
1778         return getLyXText(bv)->cursor.par();
1779 }
1780
1781
1782 bool InsetText::cboundary(BufferView * bv) const
1783 {
1784         return getLyXText(bv)->cursor.boundary();
1785 }
1786
1787
1788 Row * InsetText::crow(BufferView * bv) const
1789 {
1790         return getLyXText(bv)->cursor.row();
1791 }
1792
1793
1794 LyXText * InsetText::getLyXText(BufferView const * lbv,
1795                                           bool const recursive) const
1796 {
1797         if (!recursive && (cached_bview == lbv))
1798                 return cached_text.get();
1799
1800         // Super UGLY! (Lgb)
1801         BufferView * bv = const_cast<BufferView *>(lbv);
1802
1803         cached_bview = bv;
1804         Cache::iterator it = cache.find(bv);
1805
1806         if (it != cache.end()) {
1807                 if (lt || !it->second.remove) {
1808                         lyx::Assert(it->second.text.get());
1809                         cached_text = it->second.text;
1810                         if (recursive && the_locking_inset) {
1811                                 return the_locking_inset->getLyXText(bv, true);
1812                         }
1813                         return cached_text.get();
1814                 } else if (it->second.remove) {
1815                         if (locked) {
1816                                 saveLyXTextState(it->second.text.get());
1817                         } else {
1818                                 sstate.lpar = 0;
1819                         }
1820                 }
1821         }
1822
1823         cached_text.reset(new LyXText(const_cast<InsetText *>(this)));
1824         cached_text->init(bv);
1825         restoreLyXTextState(bv, cached_text.get());
1826
1827         cache.insert(make_pair(bv, cached_text));
1828
1829         if (the_locking_inset && recursive) {
1830                 return the_locking_inset->getLyXText(bv);
1831         }
1832         return cached_text.get();
1833 }
1834
1835
1836 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1837 {
1838         cached_bview = 0;
1839
1840         Cache::iterator it = cache.find(bv);
1841
1842         if (it == cache.end()) {
1843                 return;
1844         }
1845
1846         lyx::Assert(it->second.text.get());
1847
1848         it->second.remove = true;
1849         if (recursive) {
1850                 /// then remove all LyXText in text-insets
1851                 Paragraph * p = par;
1852                 for (; p; p = p->next()) {
1853                         p->deleteInsetsLyXText(bv);
1854                 }
1855         }
1856 }
1857
1858
1859 void InsetText::resizeLyXText(BufferView * bv, bool force) const
1860 {
1861         if (!par->next() && !par->size()) // no data, resize not neccessary!
1862                 return;
1863         // one endless line, resize normally not necessary
1864         if (!force && getMaxWidth(bv, this) < 0)
1865                 return;
1866
1867         Cache::iterator it = cache.find(bv);
1868         if (it == cache.end()) {
1869                 return;
1870         }
1871         lyx::Assert(it->second.text.get());
1872
1873         LyXText * t = it->second.text.get();
1874         saveLyXTextState(t);
1875         for (Paragraph * p = par; p; p = p->next()) {
1876                 p->resizeInsetsLyXText(bv);
1877         }
1878         t->init(bv, true);
1879         restoreLyXTextState(bv, t);
1880         if (the_locking_inset) {
1881                 inset_x = cx(bv) - top_x + drawTextXOffset;
1882                 inset_y = cy(bv) + drawTextYOffset;
1883         }
1884
1885         if (bv->screen()) {
1886                         t->first = bv->screen()->topCursorVisible(t);
1887         }
1888         if (!owner())
1889                 updateLocal(bv, FULL, false);
1890         else
1891                 need_update |= FULL;
1892         // this will scroll the screen such that the cursor becomes visible
1893         bv->updateScrollbar();
1894 }
1895
1896
1897 void InsetText::reinitLyXText() const
1898 {
1899         for(Cache::iterator it = cache.begin(); it != cache.end(); ++it) {
1900                 lyx::Assert(it->second.text.get());
1901
1902                 LyXText * t = it->second.text.get();
1903                 BufferView * bv = it->first;
1904
1905                 saveLyXTextState(t);
1906                 for (Paragraph * p = par; p; p = p->next()) {
1907                         p->resizeInsetsLyXText(bv);
1908                 }
1909                 t->init(bv, true);
1910                 restoreLyXTextState(bv, t);
1911                 if (the_locking_inset) {
1912                         inset_x = cx(bv) - top_x + drawTextXOffset;
1913                         inset_y = cy(bv) + drawTextYOffset;
1914                 }
1915                 if (bv->screen()) {
1916                         t->first = bv->screen()->topCursorVisible(t);
1917                 }
1918                 if (!owner())
1919                         updateLocal(bv, FULL, false);
1920                 else
1921                         need_update = FULL;
1922                 // this will scroll the screen such that the cursor becomes visible
1923                 bv->updateScrollbar();
1924         }
1925 }
1926
1927
1928 void InsetText::removeNewlines()
1929 {
1930         for (Paragraph * p = par; p; p = p->next()) {
1931                 for (int i = 0; i < p->size(); ++i) {
1932                         if (p->getChar(i) == Paragraph::META_NEWLINE)
1933                                 p->erase(i);
1934                 }
1935         }
1936 }
1937
1938
1939 bool InsetText::nodraw() const
1940 {
1941         if (the_locking_inset)
1942                 return the_locking_inset->nodraw();
1943         return UpdatableInset::nodraw();
1944 }
1945
1946
1947 int InsetText::scroll(bool recursive) const
1948 {
1949         int sx = UpdatableInset::scroll(false);
1950
1951         if (recursive && the_locking_inset)
1952                 sx += the_locking_inset->scroll(recursive);
1953
1954         return sx;
1955 }
1956
1957
1958 bool InsetText::doClearArea() const
1959 {
1960         return !locked || (need_update & (FULL|INIT));
1961 }
1962
1963
1964 void InsetText::selectAll(BufferView * bv)
1965 {
1966         getLyXText(bv)->cursorTop(bv);
1967         getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1968         getLyXText(bv)->cursorBottom(bv);
1969         getLyXText(bv)->setSelection(bv);
1970 }
1971
1972
1973 void InsetText::clearSelection(BufferView * bv)
1974 {
1975         getLyXText(bv)->clearSelection();
1976 }
1977
1978
1979 void InsetText::clearInset(Painter & pain, int baseline, bool & cleared) const
1980 {
1981         int w =  insetWidth;
1982         int h = insetAscent + insetDescent;
1983         int ty = baseline - insetAscent;
1984
1985         if (ty < 0) {
1986                 h += ty;
1987                 ty = 0;
1988         }
1989         if ((ty + h) > pain.paperHeight())
1990                 h = pain.paperHeight();
1991         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
1992                 w = pain.paperWidth();
1993         pain.fillRectangle(top_x+drawTextXOffset, ty, w, h, backgroundColor());
1994         cleared = true;
1995         need_update = FULL;
1996 }
1997
1998
1999 Paragraph * InsetText::getParFromID(int id) const
2000 {
2001         Paragraph * result = par;
2002         Paragraph * ires = 0;
2003         while (result && result->id() != id) {
2004                 if ((ires = result->getParFromID(id)))
2005                         return ires;
2006                 result = result->next();
2007         }
2008         return result;
2009 }
2010
2011
2012 Paragraph * InsetText::firstParagraph() const
2013 {
2014         Paragraph * result;
2015         if (the_locking_inset)
2016                 if ((result = the_locking_inset->firstParagraph()))
2017                         return result;
2018         return par;
2019 }
2020
2021
2022 LyXCursor const & InsetText::cursor(BufferView * bv) const
2023 {
2024                 if (the_locking_inset)
2025                                 return the_locking_inset->cursor(bv);
2026                 return getLyXText(bv)->cursor;
2027 }
2028
2029
2030 Paragraph * InsetText::paragraph() const
2031 {
2032         return par;
2033 }
2034
2035
2036 void InsetText::paragraph(Paragraph * p)
2037 {
2038         par = p;
2039 #if 0
2040         // we now have to update/redraw all instances
2041         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit) {
2042                 delete cit->second;
2043                 cit->second = 0;
2044         }
2045 #endif
2046         // redraw myself when asked for
2047         need_update |= INIT;
2048 }
2049
2050
2051 Inset * InsetText::getInsetFromID(int id_arg) const
2052 {
2053         if (id_arg == id())
2054                 return const_cast<InsetText *>(this);
2055
2056         Paragraph * lp = par;
2057
2058         while(lp) {
2059                 for (Paragraph::inset_iterator it = lp->inset_iterator_begin(),
2060                          en = lp->inset_iterator_end();
2061                          it != en; ++it)
2062                 {
2063                         if ((*it)->id() == id_arg)
2064                                 return *it;
2065                         Inset * in = (*it)->getInsetFromID(id_arg);
2066                         if (in)
2067                                 return in;
2068                 }
2069                 lp = lp->next();
2070         }
2071         return 0;
2072 }
2073
2074
2075 string const InsetText::selectNextWord(BufferView * bv, float & value) const
2076 {
2077         bool clear = false;
2078         string str;
2079
2080         if (!lt) {
2081                 lt = getLyXText(bv);
2082                 clear = true;
2083         }
2084         if (the_locking_inset) {
2085                 str = the_locking_inset->selectNextWord(bv, value);
2086                 if (!str.empty()) {
2087                         value += cy(bv);
2088                         if (clear)
2089                                 lt = 0;
2090                         return str;
2091                 }
2092 #warning Dekel please have a look on this one RTL? (Jug)
2093                 // we have to go on checking so move cusor to the right
2094                 lt->cursor.pos(lt->cursor.pos() + 1);
2095         }
2096         str = lt->selectNextWord(bv, value);
2097         if (str.empty())
2098                 bv->unlockInset(const_cast<InsetText *>(this));
2099         else
2100                 value = cy(bv);
2101         if (clear)
2102                 lt = 0;
2103         return str;
2104 }
2105
2106
2107 void InsetText::selectSelectedWord(BufferView * bv)
2108 {
2109         if (the_locking_inset) {
2110                 the_locking_inset->selectSelectedWord(bv);
2111                 return;
2112         }
2113         getLyXText(bv)->selectSelectedWord(bv);
2114         updateLocal(bv, SELECTION, false);
2115 }
2116
2117
2118 void InsetText::toggleSelection(BufferView * bv, bool kill_selection)
2119 {
2120         if (the_locking_inset) {
2121                 the_locking_inset->toggleSelection(bv, kill_selection);
2122         }
2123         bool clear = false;
2124         if (!lt) {
2125                 lt = getLyXText(bv);
2126                 clear = true;
2127         }
2128
2129         int x = top_x + TEXT_TO_INSET_OFFSET;
2130
2131         int y = 0;
2132         Row * row = lt->getRowNearY(y);
2133         int y_offset = top_baseline - row->ascent_of_text();
2134         y = y_offset;
2135         while ((row != 0) && ((y+row->height()) <= 0)) {
2136                 y += row->height();
2137                 row = row->next();
2138         }
2139         if (y_offset < 0)
2140                 y_offset = y;
2141
2142         if (need_update & SELECTION)
2143                 need_update = NONE;
2144         bv->screen()->toggleSelection(lt, bv, kill_selection, y_offset, x);
2145         if (clear)
2146                 lt = 0;
2147 }
2148
2149
2150 bool InsetText::searchForward(BufferView * bv, string const & str,
2151                               bool const & cs, bool const & mw)
2152 {
2153         if (the_locking_inset) {
2154                 if (the_locking_inset->searchForward(bv, str, cs, mw))
2155                         return true;
2156                 bool clear = false;
2157                 if (!lt) {
2158                         lt = getLyXText(bv);
2159                         clear = true;
2160                 }
2161                 Paragraph * lpar = lt->cursor.par();
2162                 Paragraph::size_type pos = lt->cursor.pos();
2163                 if (pos < lpar->size() - 1)
2164                         ++pos;
2165                 else {
2166                         pos = 0;
2167                         lpar = lpar->next();
2168                 }
2169                 if (!lpar) {
2170                         if (clear)
2171                                 lt = 0;
2172                         return false;
2173                 }
2174                 lt->setCursor(bv, lpar, pos);
2175                 if (clear)
2176                         lt = 0;
2177         }
2178         if (LyXFind(bv, str, true, true, cs , mw)) {
2179                 return true;
2180         }
2181         // we have to unlock ourself in this function by default!
2182         bv->unlockInset(const_cast<InsetText *>(this));
2183         return false;
2184 }
2185
2186 bool InsetText::searchBackward(BufferView * bv, string const & str,
2187                                bool const & cs, bool const & mw)
2188 {
2189         if (the_locking_inset)
2190                 if (the_locking_inset->searchBackward(bv, str, cs, mw))
2191                         return true;
2192         if (LyXFind(bv, str, false, true, cs, mw)) {
2193                 return true;
2194         }
2195         // we have to unlock ourself in this function by default!
2196         bv->unlockInset(const_cast<InsetText *>(this));
2197         return false;
2198 }