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 #ifdef NO_LATEX
 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                                 if (greek_kb_flag) {
1012                                         if (!math_insert_greek(bv, arg[i])) {
1013                                                 bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], lt);
1014                                         } else if (!the_locking_inset) {
1015                                                 (void)moveRight(bv, false);
1016                                         }
1017                                 } else {
1018                                         bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], lt);
1019                                 }
1020                         }
1021                 }
1022                 lt->selection.cursor = lt->cursor;
1023                 updateLocal(bv, CURSOR_PAR, true);
1024                 result = DISPATCHED_NOUPDATE;
1025                 break;
1026                 // --- Cursor Movements -----------------------------------
1027         case LFUN_RIGHTSEL:
1028                 finishUndo();
1029                 moveRight(bv, false, true);
1030                 lt->setSelection(bv);
1031                 updateLocal(bv, SELECTION, false);
1032                 break;
1033         case LFUN_RIGHT:
1034                 result = moveRight(bv);
1035                 finishUndo();
1036                 updateLocal(bv, CURSOR, false);
1037                 break;
1038         case LFUN_LEFTSEL:
1039                 finishUndo();
1040                 moveLeft(bv, false, true);
1041                 lt->setSelection(bv);
1042                 updateLocal(bv, SELECTION, false);
1043                 break;
1044         case LFUN_LEFT:
1045                 finishUndo();
1046                 result = moveLeft(bv);
1047                 updateLocal(bv, CURSOR, false);
1048                 break;
1049         case LFUN_DOWNSEL:
1050                 finishUndo();
1051                 moveDown(bv);
1052                 lt->setSelection(bv);
1053                 updateLocal(bv, SELECTION, false);
1054                 break;
1055         case LFUN_DOWN:
1056                 finishUndo();
1057                 result = moveDown(bv);
1058                 updateLocal(bv, CURSOR, false);
1059                 break;
1060         case LFUN_UPSEL:
1061                 finishUndo();
1062                 moveUp(bv);
1063                 lt->setSelection(bv);
1064                 updateLocal(bv, SELECTION, false);
1065                 break;
1066         case LFUN_UP:
1067                 finishUndo();
1068                 result = moveUp(bv);
1069                 updateLocal(bv, CURSOR, false);
1070                 break;
1071         case LFUN_HOME:
1072                 finishUndo();
1073                 lt->cursorHome(bv);
1074                 updateLocal(bv, CURSOR, false);
1075                 break;
1076         case LFUN_END:
1077                 lt->cursorEnd(bv);
1078                 updateLocal(bv, CURSOR, false);
1079                 break;
1080         case LFUN_BACKSPACE: {
1081                 setUndo(bv, Undo::DELETE,
1082                         lt->cursor.par(), lt->cursor.par()->next());
1083                 if (lt->selection.set())
1084                         lt->cutSelection(bv);
1085                 else
1086                         lt->backspace(bv);
1087                 updateLocal(bv, CURSOR_PAR, true);
1088         }
1089         break;
1090
1091         case LFUN_DELETE: {
1092                 setUndo(bv, Undo::DELETE,
1093                         lt->cursor.par(), lt->cursor.par()->next());
1094                 if (lt->selection.set()) {
1095                         lt->cutSelection(bv);
1096                 } else {
1097                         lt->Delete(bv);
1098                 }
1099                 updateLocal(bv, CURSOR_PAR, true);
1100         }
1101         break;
1102
1103         case LFUN_CUT: {
1104                 setUndo(bv, Undo::DELETE,
1105                         lt->cursor.par(), lt->cursor.par()->next());
1106                 lt->cutSelection(bv);
1107                 updateLocal(bv, CURSOR_PAR, true);
1108         }
1109         break;
1110
1111         case LFUN_COPY:
1112                 finishUndo();
1113                 lt->copySelection(bv);
1114                 updateLocal(bv, CURSOR_PAR, false);
1115                 break;
1116         case LFUN_PASTESELECTION:
1117         {
1118                 string const clip(bv->getClipboard());
1119
1120                 if (clip.empty())
1121                         break;
1122                 if (arg == "paragraph") {
1123                         lt->insertStringAsParagraphs(bv, clip);
1124                 } else {
1125                         lt->insertStringAsLines(bv, clip);
1126                 }
1127                 updateLocal(bv, CURSOR_PAR, true);
1128                 break;
1129         }
1130         case LFUN_PASTE: {
1131                 if (!autoBreakRows) {
1132
1133                         if (CutAndPaste::nrOfParagraphs() > 1) {
1134                                 WriteAlert(_("Impossible operation"),
1135                                                    _("Cannot include more than one paragraph!"),
1136                                                    _("Sorry."));
1137                                 break;
1138                         }
1139                 }
1140                 setUndo(bv, Undo::INSERT,
1141                         lt->cursor.par(), lt->cursor.par()->next());
1142                 lt->pasteSelection(bv);
1143                 updateLocal(bv, CURSOR_PAR, true);
1144         }
1145         break;
1146
1147         case LFUN_BREAKPARAGRAPH:
1148                 if (!autoBreakRows) {
1149                         result = DISPATCHED;
1150                         break;
1151                 }
1152                 lt->breakParagraph(bv, 0);
1153                 updateLocal(bv, FULL, true);
1154                 break;
1155         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1156                 if (!autoBreakRows) {
1157                         result = DISPATCHED;
1158                         break;
1159                 }
1160                 lt->breakParagraph(bv, 1);
1161                 updateLocal(bv, FULL, true);
1162                 break;
1163
1164         case LFUN_BREAKLINE: {
1165                 if (!autoBreakRows) {
1166                         result = DISPATCHED;
1167                         break;
1168                 }
1169                 setUndo(bv, Undo::INSERT,
1170                         lt->cursor.par(), lt->cursor.par()->next());
1171                 lt->insertChar(bv, Paragraph::META_NEWLINE);
1172                 updateLocal(bv, CURSOR_PAR, true);
1173         }
1174         break;
1175
1176         case LFUN_LAYOUT:
1177                 // do not set layouts on non breakable textinsets
1178                 if (autoBreakRows) {
1179                         LyXTextClass::size_type cur_layout = cpar(bv)->layout;
1180
1181                         // Derive layout number from given argument (string)
1182                         // and current buffer's textclass (number). */
1183                         LyXTextClassList::ClassList::size_type tclass =
1184                                 bv->buffer()->params.textclass;
1185                         std::pair <bool, LyXTextClass::size_type> layout =
1186                                 textclasslist.NumberOfLayout(tclass, arg);
1187
1188                         // If the entry is obsolete, use the new one instead.
1189                         if (layout.first) {
1190                                 string obs = textclasslist.Style(tclass,layout.second).
1191                                         obsoleted_by();
1192                                 if (!obs.empty())
1193                                         layout = textclasslist.NumberOfLayout(tclass, obs);
1194                         }
1195
1196                         // see if we found the layout number:
1197                         if (!layout.first) {
1198                                 string const msg = string(N_("Layout ")) + arg + N_(" not known");
1199                                 bv->owner()->getLyXFunc()->dispatch(LFUN_MESSAGE, msg);
1200                                 break;
1201                         }
1202
1203                         if (cur_layout != layout.second) {
1204                                 cur_layout = layout.second;
1205                                 lt->setLayout(bv, layout.second);
1206                                 bv->owner()->setLayout(cpar(bv)->getLayout());
1207                                 updateLocal(bv, CURSOR_PAR, true);
1208                         }
1209                 } else {
1210                         // reset the layout box
1211                         bv->owner()->setLayout(cpar(bv)->getLayout());
1212                 }
1213                 break;
1214         case LFUN_PARAGRAPH_SPACING:
1215                 // This one is absolutely not working. When fiddling with this
1216                 // it also seems to me that the paragraphs inside the insettext
1217                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1218         {
1219                 Paragraph * par = lt->cursor.par();
1220                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
1221                 float cur_value = 1.0;
1222                 if (cur_spacing == Spacing::Other) {
1223                         cur_value = par->params().spacing().getValue();
1224                 }
1225
1226                 istringstream istr(arg.c_str());
1227                 string tmp;
1228                 istr >> tmp;
1229                 Spacing::Space new_spacing = cur_spacing;
1230                 float new_value = cur_value;
1231                 if (tmp.empty()) {
1232                         lyxerr << "Missing argument to `paragraph-spacing'"
1233                                    << endl;
1234                 } else if (tmp == "single") {
1235                         new_spacing = Spacing::Single;
1236                 } else if (tmp == "onehalf") {
1237                         new_spacing = Spacing::Onehalf;
1238                 } else if (tmp == "double") {
1239                         new_spacing = Spacing::Double;
1240                 } else if (tmp == "other") {
1241                         new_spacing = Spacing::Other;
1242                         float tmpval = 0.0;
1243                         istr >> tmpval;
1244                         lyxerr << "new_value = " << tmpval << endl;
1245                         if (tmpval != 0.0)
1246                                 new_value = tmpval;
1247                 } else if (tmp == "default") {
1248                         new_spacing = Spacing::Default;
1249                 } else {
1250                         lyxerr << _("Unknown spacing argument: ")
1251                                    << arg << endl;
1252                 }
1253                 if (cur_spacing != new_spacing || cur_value != new_value) {
1254                         par->params().spacing(Spacing(new_spacing, new_value));
1255                         updateLocal(bv, CURSOR_PAR, true);
1256                 }
1257         }
1258         break;
1259
1260         default:
1261                 if (!bv->Dispatch(action, arg))
1262                         result = UNDISPATCHED;
1263                 break;
1264         }
1265
1266         /// If the action has deleted all text in the inset, we need to change the
1267         // language to the language of the surronding text.
1268         if (par->size() == 0 && !par->next()) {
1269                 LyXFont font(LyXFont::ALL_IGNORE);
1270                 font.setLanguage(bv->getParentLanguage(this));
1271                 setFont(bv, font, false);
1272         }
1273
1274         if (result != FINISHED) {
1275                 showInsetCursor(bv);
1276         } else
1277                 bv->unlockInset(this);
1278         if (clear)
1279                 lt = 0;
1280         return result;
1281 }
1282
1283
1284 int InsetText::latex(Buffer const * buf, ostream & os, bool, bool) const
1285 {
1286         TexRow texrow;
1287         buf->latexParagraphs(os, par, 0, texrow);
1288         return texrow.rows();
1289 }
1290
1291
1292 int InsetText::ascii(Buffer const * buf, ostream & os, int linelen) const
1293 {
1294         Paragraph * p = par;
1295         unsigned int lines = 0;
1296
1297         while (p) {
1298                 string const tmp = buf->asciiParagraph(p, linelen);
1299                 lines += countChar(tmp, '\n');
1300                 os << tmp;
1301                 p = p->next();
1302         }
1303         return lines;
1304 }
1305
1306
1307 int InsetText::docBook(Buffer const * buf, ostream & os) const
1308 {
1309         Paragraph * p = par;
1310         unsigned int lines = 0;
1311         int desc = 0;
1312
1313         string tmp;
1314         while (p) {
1315                 buf->simpleDocBookOnePar(os, tmp, p, desc, 0);
1316                 p = p->next();
1317         }
1318
1319         return lines;
1320 }
1321
1322
1323 void InsetText::validate(LaTeXFeatures & features) const
1324 {
1325         Paragraph * p = par;
1326         while (p) {
1327                 p->validate(features);
1328                 p = p->next();
1329         }
1330 }
1331
1332
1333 int InsetText::beginningOfMainBody(Buffer const * buf, Paragraph * p) const
1334 {
1335         if (textclasslist.Style(buf->params.textclass,
1336                                 p->getLayout()).labeltype != LABEL_MANUAL)
1337                 return 0;
1338         else
1339                 return p->beginningOfMainBody();
1340 }
1341
1342
1343 void InsetText::getCursorPos(BufferView * bv,
1344                              int & x, int & y) const
1345 {
1346         if (the_locking_inset) {
1347                 the_locking_inset->getCursorPos(bv, x, y);
1348                 return;
1349         }
1350         x = cx(bv);
1351         y = cy(bv);
1352 }
1353
1354
1355 unsigned int InsetText::insetInInsetY()
1356 {
1357         if (!the_locking_inset)
1358                 return 0;
1359
1360         return (inset_y + the_locking_inset->insetInInsetY());
1361 }
1362
1363
1364 void InsetText::toggleInsetCursor(BufferView * bv)
1365 {
1366         if (the_locking_inset) {
1367                 the_locking_inset->toggleInsetCursor(bv);
1368                 return;
1369         }
1370
1371         LyXFont const font(getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv)));
1372
1373         int const asc = lyxfont::maxAscent(font);
1374         int const desc = lyxfont::maxDescent(font);
1375
1376         if (isCursorVisible())
1377                 bv->hideLockedInsetCursor();
1378         else
1379                 bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1380         toggleCursorVisible();
1381 }
1382
1383
1384 void InsetText::showInsetCursor(BufferView * bv, bool show)
1385 {
1386         if (the_locking_inset) {
1387                 the_locking_inset->showInsetCursor(bv, show);
1388                 return;
1389         }
1390         if (!isCursorVisible()) {
1391                 LyXFont const font =
1392                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1393
1394                 int const asc = lyxfont::maxAscent(font);
1395                 int const desc = lyxfont::maxDescent(font);
1396
1397                 bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1398                 if (show)
1399                         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1400                 setCursorVisible(true);
1401         }
1402 }
1403
1404
1405 void InsetText::hideInsetCursor(BufferView * bv)
1406 {
1407         if (isCursorVisible()) {
1408                 bv->hideLockedInsetCursor();
1409                 setCursorVisible(false);
1410         }
1411         if (the_locking_inset)
1412                 the_locking_inset->hideInsetCursor(bv);
1413 }
1414
1415
1416 void InsetText::fitInsetCursor(BufferView * bv) const
1417 {
1418         if (the_locking_inset) {
1419                 the_locking_inset->fitInsetCursor(bv);
1420                 return;
1421         }
1422         LyXFont const font =
1423                 getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1424
1425         int const asc = lyxfont::maxAscent(font);
1426         int const desc = lyxfont::maxDescent(font);
1427
1428         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1429 }
1430
1431
1432 UpdatableInset::RESULT
1433 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1434 {
1435         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1436                 return moveLeftIntern(bv, false, activate_inset, selecting);
1437         else
1438                 return moveRightIntern(bv, false, activate_inset, selecting);
1439 }
1440
1441
1442 UpdatableInset::RESULT
1443 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1444 {
1445         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1446                 return moveRightIntern(bv, true, activate_inset, selecting);
1447         else
1448                 return moveLeftIntern(bv, true, activate_inset, selecting);
1449 }
1450
1451
1452 UpdatableInset::RESULT
1453 InsetText::moveRightIntern(BufferView * bv, bool behind,
1454                            bool activate_inset, bool selecting)
1455 {
1456         if (!cpar(bv)->next() && (cpos(bv) >= cpar(bv)->size()))
1457                 return FINISHED;
1458         if (activate_inset && checkAndActivateInset(bv, behind))
1459                 return DISPATCHED;
1460         getLyXText(bv)->cursorRight(bv);
1461         if (!selecting)
1462                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1463         return DISPATCHED_NOUPDATE;
1464 }
1465
1466
1467 UpdatableInset::RESULT
1468 InsetText::moveLeftIntern(BufferView * bv, bool behind,
1469                           bool activate_inset, bool selecting)
1470 {
1471         if (!cpar(bv)->previous() && (cpos(bv) <= 0))
1472                 return FINISHED;
1473         getLyXText(bv)->cursorLeft(bv);
1474         if (!selecting)
1475                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1476         if (activate_inset && checkAndActivateInset(bv, behind))
1477                 return DISPATCHED;
1478         return DISPATCHED_NOUPDATE;
1479 }
1480
1481
1482 UpdatableInset::RESULT
1483 InsetText::moveUp(BufferView * bv)
1484 {
1485         if (!crow(bv)->previous())
1486                 return FINISHED;
1487         getLyXText(bv)->cursorUp(bv);
1488         return DISPATCHED_NOUPDATE;
1489 }
1490
1491
1492 UpdatableInset::RESULT
1493 InsetText::moveDown(BufferView * bv)
1494 {
1495         if (!crow(bv)->next())
1496                 return FINISHED;
1497         getLyXText(bv)->cursorDown(bv);
1498         return DISPATCHED_NOUPDATE;
1499 }
1500
1501
1502 bool InsetText::insertInset(BufferView * bv, Inset * inset)
1503 {
1504         if (the_locking_inset) {
1505                 if (the_locking_inset->insetAllowed(inset))
1506                         return the_locking_inset->insertInset(bv, inset);
1507                 return false;
1508         }
1509         inset->setOwner(this);
1510         hideInsetCursor(bv);
1511
1512         bool clear = false;
1513         if (!lt) {
1514                 lt = getLyXText(bv);
1515                 clear = true;
1516         }
1517         lt->insertInset(bv, inset);
1518 #if 0
1519         if ((cpar(bv)->getChar(cpos(bv)) != Paragraph::META_INSET) ||
1520                 (cpar(bv)->getInset(cpos(bv)) != inset))
1521                 lt->cursorLeft(bv);
1522 #endif
1523         bv->fitCursor();
1524         updateLocal(bv, CURSOR_PAR|CURSOR, true);
1525         showInsetCursor(bv);
1526         if (clear)
1527                 lt = 0;
1528         return true;
1529 }
1530
1531
1532 bool InsetText::insetAllowed(Inset::Code code) const
1533 {
1534         if (the_locking_inset)
1535                 return the_locking_inset->insetAllowed(code);
1536         return true;
1537 }
1538
1539
1540 UpdatableInset * InsetText::getLockingInset() const
1541 {
1542         return the_locking_inset ? the_locking_inset->getLockingInset() :
1543                 const_cast<InsetText *>(this);
1544 }
1545
1546
1547 UpdatableInset * InsetText::getFirstLockingInsetOfType(Inset::Code c)
1548 {
1549         if (c == lyxCode())
1550                 return this;
1551         if (the_locking_inset)
1552                 return the_locking_inset->getFirstLockingInsetOfType(c);
1553         return 0;
1554 }
1555
1556
1557 bool InsetText::showInsetDialog(BufferView * bv) const
1558 {
1559         if (the_locking_inset)
1560                 return the_locking_inset->showInsetDialog(bv);
1561         return false;
1562 }
1563
1564
1565 std::vector<string> const InsetText::getLabelList() const
1566 {
1567         std::vector<string> label_list;
1568
1569         Paragraph * tpar = par;
1570         while (tpar) {
1571                 Paragraph::inset_iterator beg = tpar->inset_iterator_begin();
1572                 Paragraph::inset_iterator end = tpar->inset_iterator_end();
1573                 for (; beg != end; ++beg) {
1574                         std::vector<string> const l = (*beg)->getLabelList();
1575                         label_list.insert(label_list.end(), l.begin(), l.end());
1576                 }
1577                 tpar = tpar->next();
1578         }
1579         return label_list;
1580 }
1581
1582
1583 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
1584                         bool selectall)
1585 {
1586         if (the_locking_inset) {
1587                 the_locking_inset->setFont(bv, font, toggleall, selectall);
1588                 return;
1589         }
1590         bool clear = false;
1591         if (!lt) {
1592                 lt = getLyXText(bv);
1593                 clear = true;
1594         }
1595         if (lt->selection.set()) {
1596                 setUndo(bv, Undo::EDIT, lt->cursor.par(), lt->cursor.par()->next());
1597         }
1598         if (selectall)
1599                 selectAll(bv);
1600         lt->toggleFree(bv, font, toggleall);
1601         if (selectall)
1602                 lt->clearSelection();
1603         bv->fitCursor();
1604         if (selectall || lt->selection.set())
1605                 updateLocal(bv, FULL, true);
1606         else
1607                 updateLocal(bv, CURSOR_PAR, true);
1608         if (clear)
1609                 lt = 0;
1610 }
1611
1612
1613 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1614 {
1615         if (cpar(bv)->getChar(cpos(bv)) == Paragraph::META_INSET) {
1616                 unsigned int x;
1617                 unsigned int y;
1618                 Inset * inset =
1619                         static_cast<UpdatableInset*>(cpar(bv)->getInset(cpos(bv)));
1620                 if (!inset || inset->editable() != Inset::HIGHLY_EDITABLE)
1621                         return false;
1622                 LyXFont const font =
1623                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1624                 if (behind) {
1625                         x = inset->width(bv, font);
1626                         y = font.isRightToLeft() ? 0 : inset->descent(bv, font);
1627                 } else {
1628                         x = 0;
1629                         y = font.isRightToLeft() ? inset->descent(bv, font) : 0;
1630                 }
1631                 //inset_x = cx(bv) - top_x + drawTextXOffset;
1632                 //inset_y = cy(bv) + drawTextYOffset;
1633                 inset->edit(bv, x, y, 0);
1634                 if (!the_locking_inset)
1635                         return false;
1636                 updateLocal(bv, CURSOR, false);
1637                 return true;
1638         }
1639         return false;
1640 }
1641
1642
1643 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1644                                       int button)
1645 {
1646         x -= drawTextXOffset;
1647         int dummyx = x;
1648         int dummyy = y + insetAscent;
1649         Inset * inset = bv->checkInsetHit(getLyXText(bv), dummyx, dummyy, button);
1650
1651         if (inset) {
1652                 if (x < 0)
1653                         x = insetWidth;
1654                 if (y < 0)
1655                         y = insetDescent;
1656                 inset_x = cx(bv) - top_x + drawTextXOffset;
1657                 inset_y = cy(bv) + drawTextYOffset;
1658                 inset->edit(bv, x - inset_x, y - inset_y, button);
1659                 if (!the_locking_inset)
1660                         return false;
1661                 updateLocal(bv, CURSOR, false);
1662                 return true;
1663         }
1664         return false;
1665 }
1666
1667
1668 int InsetText::getMaxWidth(BufferView * bv, UpdatableInset const * inset) const
1669 {
1670         int w = UpdatableInset::getMaxWidth(bv, inset);
1671         if (w < 0) {
1672                 return w;
1673         }
1674         if (owner()) {
1675                 w = w - top_x + owner()->x();
1676                 return w;
1677         }
1678         w -= (2 * TEXT_TO_INSET_OFFSET);
1679         return w - top_x;
1680 }
1681
1682
1683 void InsetText::setParagraphData(Paragraph * p)
1684 {
1685         while (par) {
1686                 Paragraph * tmp = par->next();
1687                 delete par;
1688                 par = tmp;
1689         }
1690
1691         par = new Paragraph(*p);
1692         par->setInsetOwner(this);
1693         Paragraph * np = par;
1694         while (p->next()) {
1695                 p = p->next();
1696                 np->next(new Paragraph(*p));
1697                 np->next()->previous(np);
1698                 np = np->next();
1699                 np->setInsetOwner(this);
1700         }
1701         reinitLyXText();
1702 }
1703
1704
1705 void InsetText::setText(string const & data)
1706 {
1707         clear();
1708         LyXFont font(LyXFont::ALL_SANE);
1709         for (unsigned int i=0; i < data.length(); ++i)
1710                 par->insertChar(i, data[i], font);
1711 }
1712
1713
1714 void InsetText::setAutoBreakRows(bool flag)
1715 {
1716         if (flag != autoBreakRows) {
1717                 autoBreakRows = flag;
1718                 need_update = FULL;
1719                 if (!flag)
1720                         removeNewlines();
1721                 reinitLyXText();
1722         }
1723 }
1724
1725
1726 void InsetText::setDrawFrame(BufferView * bv, DrawFrame how)
1727 {
1728         if (how != drawFrame_) {
1729                 drawFrame_ = how;
1730                 if (bv)
1731                         updateLocal(bv, DRAW_FRAME, false);
1732         }
1733 }
1734
1735
1736 void InsetText::setFrameColor(BufferView * bv, LColor::color col)
1737 {
1738         if (frame_color != col) {
1739                 frame_color = col;
1740                 if (bv)
1741                         updateLocal(bv, DRAW_FRAME, false);
1742         }
1743 }
1744
1745
1746 int InsetText::cx(BufferView * bv) const
1747 {
1748         bool clear = false;
1749         if (!lt) {
1750                 lt = getLyXText(bv);
1751                 clear = true;
1752         }
1753         int x = lt->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1754         if (the_locking_inset) {
1755                 LyXFont font = lt->getFont(bv->buffer(),
1756                                              lt->cursor.par(),
1757                                              lt->cursor.pos());
1758                 if (font.isVisibleRightToLeft())
1759                         x -= the_locking_inset->width(bv, font);
1760         }
1761         if (clear)
1762                 lt = 0;
1763         return x;
1764 }
1765
1766
1767 int InsetText::cy(BufferView * bv) const
1768 {
1769         LyXFont font;
1770         return getLyXText(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
1771 }
1772
1773
1774 Paragraph::size_type InsetText::cpos(BufferView * bv) const
1775 {
1776         return getLyXText(bv)->cursor.pos();
1777 }
1778
1779
1780 Paragraph * InsetText::cpar(BufferView * bv) const
1781 {
1782         return getLyXText(bv)->cursor.par();
1783 }
1784
1785
1786 bool InsetText::cboundary(BufferView * bv) const
1787 {
1788         return getLyXText(bv)->cursor.boundary();
1789 }
1790
1791
1792 Row * InsetText::crow(BufferView * bv) const
1793 {
1794         return getLyXText(bv)->cursor.row();
1795 }
1796
1797
1798 LyXText * InsetText::getLyXText(BufferView const * lbv,
1799                                           bool const recursive) const
1800 {
1801         if (!recursive && (cached_bview == lbv))
1802                 return cached_text.get();
1803
1804         // Super UGLY! (Lgb)
1805         BufferView * bv = const_cast<BufferView *>(lbv);
1806
1807         cached_bview = bv;
1808         Cache::iterator it = cache.find(bv);
1809
1810         if (it != cache.end()) {
1811                 if (lt || !it->second.remove) {
1812                         lyx::Assert(it->second.text.get());
1813                         cached_text = it->second.text;
1814                         if (recursive && the_locking_inset) {
1815                                 return the_locking_inset->getLyXText(bv, true);
1816                         }
1817                         return cached_text.get();
1818                 } else if (it->second.remove) {
1819                         if (locked) {
1820                                 saveLyXTextState(it->second.text.get());
1821                         } else {
1822                                 sstate.lpar = 0;
1823                         }
1824                 }
1825         }
1826
1827         cached_text.reset(new LyXText(const_cast<InsetText *>(this)));
1828         cached_text->init(bv);
1829         restoreLyXTextState(bv, cached_text.get());
1830
1831         cache.insert(make_pair(bv, cached_text));
1832
1833         if (the_locking_inset && recursive) {
1834                 return the_locking_inset->getLyXText(bv);
1835         }
1836         return cached_text.get();
1837 }
1838
1839
1840 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1841 {
1842         cached_bview = 0;
1843
1844         Cache::iterator it = cache.find(bv);
1845
1846         if (it == cache.end()) {
1847                 return;
1848         }
1849
1850         lyx::Assert(it->second.text.get());
1851
1852         it->second.remove = true;
1853         if (recursive) {
1854                 /// then remove all LyXText in text-insets
1855                 Paragraph * p = par;
1856                 for (; p; p = p->next()) {
1857                         p->deleteInsetsLyXText(bv);
1858                 }
1859         }
1860 }
1861
1862
1863 void InsetText::resizeLyXText(BufferView * bv, bool force) const
1864 {
1865         if (!par->next() && !par->size()) // no data, resize not neccessary!
1866                 return;
1867         // one endless line, resize normally not necessary
1868         if (!force && getMaxWidth(bv, this) < 0)
1869                 return;
1870
1871         Cache::iterator it = cache.find(bv);
1872         if (it == cache.end()) {
1873                 return;
1874         }
1875         lyx::Assert(it->second.text.get());
1876
1877         LyXText * t = it->second.text.get();
1878         saveLyXTextState(t);
1879         for (Paragraph * p = par; p; p = p->next()) {
1880                 p->resizeInsetsLyXText(bv);
1881         }
1882         t->init(bv, true);
1883         restoreLyXTextState(bv, t);
1884         if (the_locking_inset) {
1885                 inset_x = cx(bv) - top_x + drawTextXOffset;
1886                 inset_y = cy(bv) + drawTextYOffset;
1887         }
1888
1889         if (bv->screen()) {
1890                         t->first = bv->screen()->topCursorVisible(t);
1891         }
1892         if (!owner())
1893                 updateLocal(bv, FULL, false);
1894         else
1895                 need_update |= FULL;
1896         // this will scroll the screen such that the cursor becomes visible
1897         bv->updateScrollbar();
1898 }
1899
1900
1901 void InsetText::reinitLyXText() const
1902 {
1903         for(Cache::iterator it = cache.begin(); it != cache.end(); ++it) {
1904                 lyx::Assert(it->second.text.get());
1905
1906                 LyXText * t = it->second.text.get();
1907                 BufferView * bv = it->first;
1908
1909                 saveLyXTextState(t);
1910                 for (Paragraph * p = par; p; p = p->next()) {
1911                         p->resizeInsetsLyXText(bv);
1912                 }
1913                 t->init(bv, true);
1914                 restoreLyXTextState(bv, t);
1915                 if (the_locking_inset) {
1916                         inset_x = cx(bv) - top_x + drawTextXOffset;
1917                         inset_y = cy(bv) + drawTextYOffset;
1918                 }
1919                 if (bv->screen()) {
1920                         t->first = bv->screen()->topCursorVisible(t);
1921                 }
1922                 if (!owner())
1923                         updateLocal(bv, FULL, false);
1924                 else
1925                         need_update = FULL;
1926                 // this will scroll the screen such that the cursor becomes visible
1927                 bv->updateScrollbar();
1928         }
1929 }
1930
1931
1932 void InsetText::removeNewlines()
1933 {
1934         for (Paragraph * p = par; p; p = p->next()) {
1935                 for (int i = 0; i < p->size(); ++i) {
1936                         if (p->getChar(i) == Paragraph::META_NEWLINE)
1937                                 p->erase(i);
1938                 }
1939         }
1940 }
1941
1942
1943 bool InsetText::nodraw() const
1944 {
1945         if (the_locking_inset)
1946                 return the_locking_inset->nodraw();
1947         return UpdatableInset::nodraw();
1948 }
1949
1950
1951 int InsetText::scroll(bool recursive) const
1952 {
1953         int sx = UpdatableInset::scroll(false);
1954
1955         if (recursive && the_locking_inset)
1956                 sx += the_locking_inset->scroll(recursive);
1957
1958         return sx;
1959 }
1960
1961
1962 bool InsetText::doClearArea() const
1963 {
1964         return !locked || (need_update & (FULL|INIT));
1965 }
1966
1967
1968 void InsetText::selectAll(BufferView * bv)
1969 {
1970         getLyXText(bv)->cursorTop(bv);
1971         getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1972         getLyXText(bv)->cursorBottom(bv);
1973         getLyXText(bv)->setSelection(bv);
1974 }
1975
1976
1977 void InsetText::clearSelection(BufferView * bv)
1978 {
1979         getLyXText(bv)->clearSelection();
1980 }
1981
1982
1983 void InsetText::clearInset(Painter & pain, int baseline, bool & cleared) const
1984 {
1985         int w =  insetWidth;
1986         int h = insetAscent + insetDescent;
1987         int ty = baseline - insetAscent;
1988
1989         if (ty < 0) {
1990                 h += ty;
1991                 ty = 0;
1992         }
1993         if ((ty + h) > pain.paperHeight())
1994                 h = pain.paperHeight();
1995         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
1996                 w = pain.paperWidth();
1997         pain.fillRectangle(top_x+drawTextXOffset, ty, w, h, backgroundColor());
1998         cleared = true;
1999         need_update = FULL;
2000 }
2001
2002
2003 Paragraph * InsetText::getParFromID(int id) const
2004 {
2005         Paragraph * result = par;
2006         Paragraph * ires = 0;
2007         while (result && result->id() != id) {
2008                 if ((ires = result->getParFromID(id)))
2009                         return ires;
2010                 result = result->next();
2011         }
2012         return result;
2013 }
2014
2015
2016 Paragraph * InsetText::firstParagraph() const
2017 {
2018         Paragraph * result;
2019         if (the_locking_inset)
2020                 if ((result = the_locking_inset->firstParagraph()))
2021                         return result;
2022         return par;
2023 }
2024
2025
2026 LyXCursor const & InsetText::cursor(BufferView * bv) const
2027 {
2028                 if (the_locking_inset)
2029                                 return the_locking_inset->cursor(bv);
2030                 return getLyXText(bv)->cursor;
2031 }
2032
2033
2034 Paragraph * InsetText::paragraph() const
2035 {
2036         return par;
2037 }
2038
2039
2040 void InsetText::paragraph(Paragraph * p)
2041 {
2042         par = p;
2043 #if 0
2044         // we now have to update/redraw all instances
2045         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit) {
2046                 delete cit->second;
2047                 cit->second = 0;
2048         }
2049 #endif
2050         // redraw myself when asked for
2051         need_update |= INIT;
2052 }
2053
2054
2055 Inset * InsetText::getInsetFromID(int id_arg) const
2056 {
2057         if (id_arg == id())
2058                 return const_cast<InsetText *>(this);
2059
2060         Paragraph * lp = par;
2061
2062         while(lp) {
2063                 for (Paragraph::inset_iterator it = lp->inset_iterator_begin(),
2064                          en = lp->inset_iterator_end();
2065                          it != en; ++it)
2066                 {
2067                         if ((*it)->id() == id_arg)
2068                                 return *it;
2069                         Inset * in = (*it)->getInsetFromID(id_arg);
2070                         if (in)
2071                                 return in;
2072                 }
2073                 lp = lp->next();
2074         }
2075         return 0;
2076 }
2077
2078
2079 string const InsetText::selectNextWord(BufferView * bv, float & value) const
2080 {
2081         bool clear = false;
2082         string str;
2083
2084         if (!lt) {
2085                 lt = getLyXText(bv);
2086                 clear = true;
2087         }
2088         if (the_locking_inset) {
2089                 str = the_locking_inset->selectNextWord(bv, value);
2090                 if (!str.empty()) {
2091                         value += cy(bv);
2092                         if (clear)
2093                                 lt = 0;
2094                         return str;
2095                 }
2096 #warning Dekel please have a look on this one RTL? (Jug)
2097                 // we have to go on checking so move cusor to the right
2098                 lt->cursor.pos(lt->cursor.pos() + 1);
2099         }
2100         str = lt->selectNextWord(bv, value);
2101         if (str.empty())
2102                 bv->unlockInset(const_cast<InsetText *>(this));
2103         else
2104                 value = cy(bv);
2105         if (clear)
2106                 lt = 0;
2107         return str;
2108 }
2109
2110
2111 void InsetText::selectSelectedWord(BufferView * bv)
2112 {
2113         if (the_locking_inset) {
2114                 the_locking_inset->selectSelectedWord(bv);
2115                 return;
2116         }
2117         getLyXText(bv)->selectSelectedWord(bv);
2118         updateLocal(bv, SELECTION, false);
2119 }
2120
2121
2122 void InsetText::toggleSelection(BufferView * bv, bool kill_selection)
2123 {
2124         if (the_locking_inset) {
2125                 the_locking_inset->toggleSelection(bv, kill_selection);
2126         }
2127         bool clear = false;
2128         if (!lt) {
2129                 lt = getLyXText(bv);
2130                 clear = true;
2131         }
2132
2133         int x = top_x + TEXT_TO_INSET_OFFSET;
2134
2135         int y = 0;
2136         Row * row = lt->getRowNearY(y);
2137         int y_offset = top_baseline - row->ascent_of_text();
2138         y = y_offset;
2139         while ((row != 0) && ((y+row->height()) <= 0)) {
2140                 y += row->height();
2141                 row = row->next();
2142         }
2143         if (y_offset < 0)
2144                 y_offset = y;
2145
2146         if (need_update & SELECTION)
2147                 need_update = NONE;
2148         bv->screen()->toggleSelection(lt, bv, kill_selection, y_offset, x);
2149         if (clear)
2150                 lt = 0;
2151 }
2152
2153
2154 bool InsetText::searchForward(BufferView * bv, string const & str,
2155                               bool const & cs, bool const & mw)
2156 {
2157         if (the_locking_inset) {
2158                 if (the_locking_inset->searchForward(bv, str, cs, mw))
2159                         return true;
2160                 bool clear = false;
2161                 if (!lt) {
2162                         lt = getLyXText(bv);
2163                         clear = true;
2164                 }
2165                 Paragraph * lpar = lt->cursor.par();
2166                 Paragraph::size_type pos = lt->cursor.pos();
2167                 if (pos < lpar->size() - 1)
2168                         ++pos;
2169                 else {
2170                         pos = 0;
2171                         lpar = lpar->next();
2172                 }
2173                 if (!lpar) {
2174                         if (clear)
2175                                 lt = 0;
2176                         return false;
2177                 }
2178                 lt->setCursor(bv, lpar, pos);
2179                 if (clear)
2180                         lt = 0;
2181         }
2182         if (LyXFind(bv, str, true, true, cs , mw)) {
2183                 return true;
2184         }
2185         // we have to unlock ourself in this function by default!
2186         bv->unlockInset(const_cast<InsetText *>(this));
2187         return false;
2188 }
2189
2190 bool InsetText::searchBackward(BufferView * bv, string const & str,
2191                                bool const & cs, bool const & mw)
2192 {
2193         if (the_locking_inset)
2194                 if (the_locking_inset->searchBackward(bv, str, cs, mw))
2195                         return true;
2196         if (LyXFind(bv, str, false, true, cs, mw)) {
2197                 return true;
2198         }
2199         // we have to unlock ourself in this function by default!
2200         bv->unlockInset(const_cast<InsetText *>(this));
2201         return false;
2202 }