src/insets/insettext.C

   1 /**
   2  * \file insettext.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Jürgen Vigna
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "insettext.h"
  14 #include "insetnewline.h"
  15
  16 #include "buffer.h"
  17 #include "bufferparams.h"
  18 #include "BufferView.h"
  19 #include "CutAndPaste.h"
  20 #include "debug.h"
  21 #include "dispatchresult.h"
  22 #include "errorlist.h"
  23 #include "funcrequest.h"
  24 #include "gettext.h"
  25 #include "intl.h"
  26 #include "LColor.h"
  27 #include "lyxfind.h"
  28 #include "lyxlex.h"
  29 #include "lyxrc.h"
  30 #include "metricsinfo.h"
  31 #include "paragraph.h"
  32 #include "paragraph_funcs.h"
  33 #include "ParagraphParameters.h"
  34 #include "rowpainter.h"
  35 #include "sgml.h"
  36 #include "texrow.h"
  37 #include "undo.h"
  38 #include "WordLangTuple.h"
  39
  40 #include "frontends/Alert.h"
  41 #include "frontends/font_metrics.h"
  42 #include "frontends/LyXView.h"
  43 #include "frontends/Painter.h"
  44
  45 #include "support/lyxalgo.h" // lyx::count
  46
  47 #include <boost/bind.hpp>
  48
  49 using bv_funcs::replaceSelection;
  50
  51 using lyx::pos_type;
  52
  53 using lyx::graphics::PreviewLoader;
  54
  55 using lyx::support::isStrUnsignedInt;
  56 using lyx::support::strToUnsignedInt;
  57
  58 using std::endl;
  59 using std::for_each;
  60 using std::max;
  61 using std::string;
  62 using std::auto_ptr;
  63 using std::ostream;
  64 using std::vector;
  65
  66
  67 InsetText::InsetText(BufferParams const & bp)
  68         : UpdatableInset(),
  69           paragraphs(1),
  70           autoBreakRows_(false),
  71           drawFrame_(NEVER),
  72           frame_color_(LColor::insetframe),
  73           text_(0, this, true, paragraphs)
  74 {
  75         textwidth_ = 0; // broken
  76         paragraphs.begin()->layout(bp.getLyXTextClass().defaultLayout());
  77         if (bp.tracking_changes)
  78                 paragraphs.begin()->trackChanges();
  79         init();
  80 }
  81
  82
  83 InsetText::InsetText(InsetText const & in)
  84         : UpdatableInset(in),
  85           text_(in.text_.bv_owner, this, true, paragraphs)
  86 {
  87         // this is ugly...
  88         operator=(in);
  89 }
  90
  91
  92 void InsetText::operator=(InsetText const & in)
  93 {
  94         UpdatableInset::operator=(in);
  95         paragraphs = in.paragraphs;
  96         autoBreakRows_ = in.autoBreakRows_;
  97         drawFrame_ = in.drawFrame_;
  98         frame_color_ = in.frame_color_;
  99         textwidth_ = in.textwidth_;
 100         text_ = LyXText(in.text_.bv_owner, this, true, paragraphs);
 101         init();
 102 }
 103
 104
 105 void InsetText::init()
 106 {
 107         ParagraphList::iterator pit = paragraphs.begin();
 108         ParagraphList::iterator end = paragraphs.end();
 109         for (; pit != end; ++pit)
 110                 pit->setInsetOwner(this);
 111         text_.paragraphs_ = &paragraphs;
 112         top_y = 0;
 113
 114         locked = false;
 115         inset_par = -1;
 116         inset_pos = 0;
 117         inset_x = 0;
 118         inset_y = 0;
 119         no_selection = true;
 120         the_locking_inset = 0;
 121         old_par = -1;
 122         in_insetAllowed = false;
 123         mouse_x = 0;
 124         mouse_y = 0;
 125 }
 126
 127
 128 void InsetText::clear(bool just_mark_erased)
 129 {
 130         if (just_mark_erased) {
 131                 ParagraphList::iterator it = paragraphs.begin();
 132                 ParagraphList::iterator end = paragraphs.end();
 133                 for (; it != end; ++it)
 134                         it->markErased();
 135                 return;
 136         }
 137
 138         // This is a gross hack...
 139         LyXLayout_ptr old_layout = paragraphs.begin()->layout();
 140
 141         paragraphs.clear();
 142         paragraphs.push_back(Paragraph());
 143         paragraphs.begin()->setInsetOwner(this);
 144         paragraphs.begin()->layout(old_layout);
 145 }
 146
 147
 148 auto_ptr<InsetBase> InsetText::clone() const
 149 {
 150         return auto_ptr<InsetBase>(new InsetText(*this));
 151 }
 152
 153
 154 void InsetText::write(Buffer const & buf, ostream & os) const
 155 {
 156         os << "Text\n";
 157         writeParagraphData(buf, os);
 158 }
 159
 160
 161 void InsetText::writeParagraphData(Buffer const & buf, ostream & os) const
 162 {
 163         ParagraphList::const_iterator it = paragraphs.begin();
 164         ParagraphList::const_iterator end = paragraphs.end();
 165         Paragraph::depth_type dth = 0;
 166         for (; it != end; ++it) {
 167                 it->write(buf, os, buf.params(), dth);
 168         }
 169 }
 170
 171
 172 void InsetText::read(Buffer const & buf, LyXLex & lex)
 173 {
 174         string token;
 175         Paragraph::depth_type depth = 0;
 176
 177         clear(false);
 178
 179 #warning John, look here. Doesnt make much sense.
 180         if (buf.params().tracking_changes)
 181                 paragraphs.begin()->trackChanges();
 182
 183         // delete the initial paragraph
 184         Paragraph oldpar = *paragraphs.begin();
 185         paragraphs.clear();
 186         ParagraphList::iterator pit = paragraphs.begin();
 187
 188         while (lex.isOK()) {
 189                 lex.nextToken();
 190                 token = lex.getString();
 191                 if (token.empty())
 192                         continue;
 193                 if (token == "\\end_inset") {
 194                         break;
 195                 }
 196
 197                 if (token == "\\end_document") {
 198                         lex.printError("\\end_document read in inset! Error in document!");
 199                         return;
 200                 }
 201
 202                 // FIXME: ugly.
 203                 const_cast<Buffer&>(buf).readParagraph(lex, token, paragraphs, pit, depth);
 204         }
 205
 206         pit = paragraphs.begin();
 207         ParagraphList::iterator const end = paragraphs.end();
 208         for (; pit != end; ++pit)
 209                 pit->setInsetOwner(this);
 210
 211         if (token != "\\end_inset") {
 212                 lex.printError("Missing \\end_inset at this point. "
 213                                            "Read: `$$Token'");
 214         }
 215
 216         // sanity check
 217         // ensure we have at least one par.
 218         if (paragraphs.empty())
 219                 paragraphs.push_back(oldpar);
 220 }
 221
 222
 223 void InsetText::metrics(MetricsInfo & mi, Dimension & dim) const
 224 {
 225         //lyxerr << "InsetText::metrics: width: " << mi.base.textwidth << endl;
 226         textwidth_ = mi.base.textwidth - 30;
 227         BufferView * bv = mi.base.bv;
 228         setViewCache(bv);
 229         text_.metrics(mi, dim);
 230         dim.asc += TEXT_TO_INSET_OFFSET;
 231         dim.des += TEXT_TO_INSET_OFFSET;
 232         dim.wid += 2 * TEXT_TO_INSET_OFFSET;
 233         dim.wid = max(dim.wid, 10);
 234         dim_ = dim;
 235 }
 236
 237
 238 int InsetText::textWidth() const
 239 {
 240         return textwidth_;
 241 }
 242
 243
 244 void InsetText::draw(PainterInfo & pi, int x, int y) const
 245 {
 246         // update our idea of where we are. Clearly, we should
 247         // not have to know this information.
 248         top_x = x;
 249
 250         int const start_x = x;
 251
 252         BufferView * bv = pi.base.bv;
 253         Painter & pain = pi.pain;
 254
 255         // repaint the background if needed
 256         if (backgroundColor() != LColor::background)
 257                 clearInset(bv, start_x + TEXT_TO_INSET_OFFSET, y);
 258
 259         // no draw is necessary !!!
 260         if (drawFrame_ == LOCKED && !locked && paragraphs.begin()->empty()) {
 261                 top_baseline = y;
 262                 return;
 263         }
 264
 265         bv->hideCursor();
 266
 267         if (!owner())
 268                 x += scroll();
 269
 270         top_baseline = y;
 271         top_y = y - dim_.asc;
 272
 273         if (the_locking_inset
 274                   && text_.cursor.par() == inset_par && cpos() == inset_pos) {
 275                 inset_x = cx() - x;
 276                 inset_y = cy();
 277         }
 278
 279         x += TEXT_TO_INSET_OFFSET;
 280
 281         paintTextInset(*bv, text_, x, y);
 282
 283         if (drawFrame_ == ALWAYS || (drawFrame_ == LOCKED && locked))
 284                 drawFrame(pain, start_x);
 285 }
 286
 287
 288 void InsetText::drawFrame(Painter & pain, int x) const
 289 {
 290         int const ttoD2 = TEXT_TO_INSET_OFFSET / 2;
 291         int const frame_x = x + ttoD2;
 292         int const frame_y = top_baseline - dim_.asc + ttoD2;
 293         int const frame_w = dim_.wid - TEXT_TO_INSET_OFFSET;
 294         int const frame_h = dim_.asc + dim_.des - TEXT_TO_INSET_OFFSET;
 295         pain.rectangle(frame_x, frame_y, frame_w, frame_h, frameColor());
 296 }
 297
 298
 299 void InsetText::updateLocal(BufferView * bv, bool /*mark_dirty*/)
 300 {
 301         if (!bv)
 302                 return;
 303
 304         if (!autoBreakRows_ && paragraphs.size() > 1)
 305                 collapseParagraphs(bv);
 306
 307         if (!text_.selection.set())
 308                 text_.selection.cursor = text_.cursor;
 309
 310         bv->fitCursor();
 311         bv->updateInset(this);
 312         bv->owner()->view_state_changed();
 313         bv->owner()->updateMenubar();
 314         bv->owner()->updateToolbar();
 315         if (old_par != text_.cursor.par()) {
 316                 bv->owner()->setLayout(cpar()->layout()->name());
 317                 old_par = text_.cursor.par();
 318         }
 319 }
 320
 321
 322 string const InsetText::editMessage() const
 323 {
 324         return _("Opened Text Inset");
 325 }
 326
 327
 328 void InsetText::insetUnlock(BufferView * bv)
 329 {
 330         if (the_locking_inset) {
 331                 the_locking_inset->insetUnlock(bv);
 332                 the_locking_inset = 0;
 333                 updateLocal(bv, false);
 334         }
 335         no_selection = true;
 336         locked = false;
 337
 338         if (text_.selection.set())
 339                 text_.clearSelection();
 340         else if (owner())
 341                 bv->owner()->setLayout(owner()->getLyXText(bv)
 342                                        ->cursorPar()->layout()->name());
 343         else
 344                 bv->owner()->setLayout(bv->text->cursorPar()->layout()->name());
 345         // hack for deleteEmptyParMech
 346         if (!paragraphs.begin()->empty())
 347                 text_.setCursor(0, 0);
 348         else if (paragraphs.size() > 1)
 349                 text_.setCursor(1, 0);
 350 }
 351
 352
 353 void InsetText::lockInset(BufferView * bv)
 354 {
 355         locked = true;
 356         the_locking_inset = 0;
 357         inset_pos = inset_x = inset_y = 0;
 358         inset_boundary = false;
 359         inset_par =  -1;
 360         old_par = -1;
 361         text_.setCursorIntern(0, 0);
 362         text_.clearSelection();
 363         finishUndo();
 364         // If the inset is empty set the language of the current font to the
 365         // language to the surronding text (if different).
 366         if (paragraphs.begin()->empty() && paragraphs.size() == 1 &&
 367                 bv->getParentLanguage(this) != text_.current_font.language()) {
 368                 LyXFont font(LyXFont::ALL_IGNORE);
 369                 font.setLanguage(bv->getParentLanguage(this));
 370                 setFont(bv, font, false);
 371         }
 372 }
 373
 374
 375 void InsetText::lockInset(BufferView * /*bv*/, UpdatableInset * inset)
 376 {
 377         the_locking_inset = inset;
 378         inset_x = cx() - top_x;
 379         inset_y = cy();
 380         inset_pos = cpos();
 381         inset_par = text_.cursor.par();
 382         inset_boundary = cboundary();
 383 }
 384
 385
 386 bool InsetText::lockInsetInInset(BufferView * bv, UpdatableInset * inset)
 387 {
 388         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 389                               << inset << "): " << endl;
 390         if (!inset)
 391                 return false;
 392         if (!the_locking_inset) {
 393                 ParagraphList::iterator pit = paragraphs.begin();
 394                 ParagraphList::iterator pend = paragraphs.end();
 395
 396                 for (; pit != pend; ++pit) {
 397                         InsetList::iterator it = pit->insetlist.begin();
 398                         InsetList::iterator const end = pit->insetlist.end();
 399                         for (; it != end; ++it) {
 400                                 if (it->inset == inset) {
 401                                         lyxerr << "InsetText::lockInsetInInset: 1 a" << endl;
 402                                         text_.setCursorIntern(
 403                                                 std::distance(paragraphs.begin(), pit), it->pos);
 404                                         lyxerr << "InsetText::lockInsetInInset: 1 b" << endl;
 405                                         lyxerr << "bv: " << bv << " inset: " << inset << endl;
 406                                         lockInset(bv, inset);
 407                                         lyxerr << "InsetText::lockInsetInInset: 1 c" << endl;
 408                                         return true;
 409                                 }
 410                         }
 411                 }
 412                 lyxerr << "InsetText::lockInsetInInset: 3" << endl;
 413                 return false;
 414         }
 415         if (inset == cpar()->getInset(cpos())) {
 416                 lyxerr[Debug::INSETS] << "OK" << endl;
 417                 lockInset(bv, inset);
 418                 return true;
 419         }
 420
 421         if (the_locking_inset && the_locking_inset == inset) {
 422                 if (text_.cursor.par() == inset_par && cpos() == inset_pos) {
 423                         lyxerr[Debug::INSETS] << "OK" << endl;
 424                         inset_x = cx() - top_x;
 425                         inset_y = cy();
 426                 } else {
 427                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 428                 }
 429         } else if (the_locking_inset) {
 430                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 431                 return the_locking_inset->lockInsetInInset(bv, inset);
 432         }
 433         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 434         return false;
 435 }
 436
 437
 438 bool InsetText::unlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 439                                    bool lr)
 440 {
 441         if (!the_locking_inset)
 442                 return false;
 443         if (the_locking_inset == inset) {
 444                 the_locking_inset->insetUnlock(bv);
 445                 the_locking_inset = 0;
 446                 if (lr)
 447                         moveRightIntern(bv, true, false);
 448                 old_par = -1; // force layout setting
 449                 if (scroll())
 450                         scroll(bv, 0.0F);
 451                 else
 452                         updateLocal(bv, false);
 453                 return true;
 454         }
 455         return the_locking_inset->unlockInsetInInset(bv, inset, lr);
 456 }
 457
 458
 459 void InsetText::lfunMousePress(FuncRequest const & cmd)
 460 {
 461         no_selection = true;
 462
 463         // use this to check mouse motion for selection!
 464         mouse_x = cmd.x;
 465         mouse_y = cmd.y;
 466
 467         BufferView * bv = cmd.view();
 468         FuncRequest cmd1 = cmd;
 469         cmd1.x -= inset_x;
 470         cmd1.y -= inset_y;
 471         if (!locked)
 472                 lockInset(bv);
 473
 474         int tmp_x = cmd.x;
 475         int tmp_y = cmd.y + dim_.asc - bv->top_y();
 476         InsetOld * inset = getLyXText(bv)->checkInsetHit(tmp_x, tmp_y);
 477
 478         if (the_locking_inset) {
 479                 if (the_locking_inset == inset) {
 480                         the_locking_inset->dispatch(cmd1);
 481                         return;
 482                 }
 483                 // otherwise only unlock the_locking_inset
 484                 the_locking_inset->insetUnlock(bv);
 485                 the_locking_inset = 0;
 486         }
 487         if (!inset)
 488                 no_selection = false;
 489
 490         if (bv->theLockingInset()) {
 491                 if (isHighlyEditableInset(inset)) {
 492                         // We just have to lock the inset before calling a
 493                         // PressEvent on it!
 494                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 495                         if (!bv->lockInset(uinset)) {
 496                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 497                         }
 498                         inset->dispatch(cmd1);
 499                         if (the_locking_inset)
 500                                 updateLocal(bv, false);
 501                         return;
 502                 }
 503         }
 504         if (!inset) {
 505                 bool paste_internally = false;
 506                 if (cmd.button() == mouse_button::button2 && getLyXText(bv)->selection.set()) {
 507                         dispatch(FuncRequest(bv, LFUN_COPY));
 508                         paste_internally = true;
 509                 }
 510                 int old_top_y = bv->top_y();
 511
 512                 text_.setCursorFromCoordinates(cmd.x, cmd.y + dim_.asc);
 513                 // set the selection cursor!
 514                 text_.selection.cursor = text_.cursor;
 515                 bv->x_target(text_.cursor.x());
 516
 517                 text_.clearSelection();
 518                 updateLocal(bv, false);
 519
 520                 bv->owner()->setLayout(cpar()->layout()->name());
 521
 522                 // we moved the view we cannot do mouse selection in this case!
 523                 if (bv->top_y() != old_top_y)
 524                         no_selection = true;
 525                 old_par = text_.cursor.par();
 526                 // Insert primary selection with middle mouse
 527                 // if there is a local selection in the current buffer,
 528                 // insert this
 529                 if (cmd.button() == mouse_button::button2) {
 530                         if (paste_internally)
 531                                 dispatch(FuncRequest(bv, LFUN_PASTE));
 532                         else
 533                                 dispatch(FuncRequest(bv, LFUN_PASTESELECTION, "paragraph"));
 534                 }
 535         } else {
 536                 getLyXText(bv)->clearSelection();
 537         }
 538 }
 539
 540
 541 bool InsetText::lfunMouseRelease(FuncRequest const & cmd)
 542 {
 543         BufferView * bv = cmd.view();
 544         FuncRequest cmd1 = cmd;
 545         cmd1.x -= inset_x;
 546         cmd1.y -= inset_y;
 547
 548         no_selection = true;
 549         if (the_locking_inset) {
 550                 DispatchResult const res = the_locking_inset->dispatch(cmd1);
 551
 552                 return res.dispatched();
 553         }
 554
 555         int tmp_x = cmd.x;
 556         int tmp_y = cmd.y + dim_.asc - bv->top_y();
 557         InsetOld * inset = getLyXText(bv)->checkInsetHit(tmp_x, tmp_y);
 558         if (!inset)
 559                 return false;
 560
 561         // We still need to deal properly with the whole relative vs.
 562         // absolute mouse co-ords thing in a realiable, sensible way
 563         DispatchResult const res = inset->dispatch(cmd1);
 564         bool const ret = res.dispatched();
 565         updateLocal(bv, false);
 566         return ret;
 567 }
 568
 569
 570 void InsetText::lfunMouseMotion(FuncRequest const & cmd)
 571 {
 572         FuncRequest cmd1 = cmd;
 573         cmd1.x -= inset_x;
 574         cmd1.y -= inset_y;
 575
 576         if (the_locking_inset) {
 577                 the_locking_inset->dispatch(cmd1);
 578                 return;
 579         }
 580
 581         if (no_selection || (mouse_x == cmd.x && mouse_y == cmd.y))
 582                 return;
 583
 584         BufferView * bv = cmd.view();
 585         LyXCursor cur = text_.cursor;
 586         text_.setCursorFromCoordinates (cmd.x, cmd.y + dim_.asc);
 587         bv->x_target(text_.cursor.x());
 588         if (cur == text_.cursor)
 589                 return;
 590         text_.setSelection();
 591         updateLocal(bv, false);
 592 }
 593
 594
 595 DispatchResult
 596 InsetText::priv_dispatch(FuncRequest const & cmd,
 597                          idx_type & idx, pos_type & pos)
 598 {
 599         BufferView * bv = cmd.view();
 600         setViewCache(bv);
 601
 602         switch (cmd.action) {
 603         case LFUN_INSET_EDIT: {
 604                 UpdatableInset::priv_dispatch(cmd, idx, pos);
 605
 606                 if (!bv->lockInset(this)) {
 607                         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 608                         return DispatchResult(true, true);
 609                 }
 610
 611                 locked = true;
 612                 the_locking_inset = 0;
 613                 inset_pos = 0;
 614                 inset_x = 0;
 615                 inset_y = 0;
 616                 inset_boundary = false;
 617                 inset_par = -1;
 618                 old_par = -1;
 619
 620
 621                 if (cmd.argument.size()) {
 622                         if (cmd.argument == "left")
 623                                 text_.setCursorIntern(0, 0);
 624                         else
 625                                 text_.setCursor(paragraphs.size() - 1, paragraphs.back().size());
 626                 } else {
 627                         int tmp_y = (cmd.y < 0) ? 0 : cmd.y;
 628                         // we put here -1 and not button as now the button in the
 629                         // edit call should not be needed we will fix this in 1.3.x
 630                         // cycle hopefully (Jug 20020509)
 631                         // FIXME: GUII I've changed this to none: probably WRONG
 632                         if (!checkAndActivateInset(bv, cmd.x, tmp_y, mouse_button::none)) {
 633                                 text_.setCursorFromCoordinates(cmd.x, cmd.y + dim_.asc);
 634                                 text_.cursor.x(text_.cursor.x());
 635                                 bv->x_target(text_.cursor.x());
 636                         }
 637                 }
 638
 639                 text_.clearSelection();
 640                 finishUndo();
 641
 642                 // If the inset is empty set the language of the current font to the
 643                 // language to the surronding text (if different).
 644                 if (paragraphs.begin()->empty() &&
 645                     paragraphs.size() == 1 &&
 646                     bv->getParentLanguage(this) != text_.current_font.language())
 647                 {
 648                         LyXFont font(LyXFont::ALL_IGNORE);
 649                         font.setLanguage(bv->getParentLanguage(this));
 650                         setFont(bv, font, false);
 651                 }
 652
 653                 updateLocal(bv, false);
 654                 // Tell the paragraph dialog that we've entered an insettext.
 655                 bv->dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
 656                 return DispatchResult(true, true);
 657         }
 658
 659         case LFUN_MOUSE_PRESS:
 660                 lfunMousePress(cmd);
 661                 return DispatchResult(true, true);
 662
 663         case LFUN_MOUSE_MOTION:
 664                 lfunMouseMotion(cmd);
 665                 return DispatchResult(true, true);
 666
 667         case LFUN_MOUSE_RELEASE:
 668                 return DispatchResult(lfunMouseRelease(cmd));
 669
 670         default:
 671                 break;
 672         }
 673
 674         bool was_empty = paragraphs.begin()->empty() && paragraphs.size() == 1;
 675         no_selection = false;
 676
 677         DispatchResult result = UpdatableInset::priv_dispatch(cmd, idx, pos);
 678         if (result.dispatched())
 679                 return result;
 680
 681 #if 0
 682         // This looks utterly strange. (Lgb)
 683         if (cmd.action == LFUN_UNKNOWN_ACTION && cmd.argument.empty())
 684                 return DispatchResult(false, FINISHED);
 685 #endif
 686
 687         if (the_locking_inset) {
 688                 DispatchResult result = the_locking_inset->dispatch(cmd);
 689
 690                 if (result.dispatched()) {
 691                         if (result.update()) {
 692                                 result.update(false);
 693                                 updateLocal(bv, false);
 694                         }
 695                         return result;
 696                 }
 697
 698                 switch (result.val()) {
 699                 case FINISHED_RIGHT:
 700                         moveRightIntern(bv, false, false);
 701                         result.dispatched(true);
 702                         result.update(true);
 703                         break;
 704                 case FINISHED_UP:
 705                         result = moveUp(bv);
 706                         if (result.val() >= FINISHED) {
 707                                 updateLocal(bv, false);
 708                                 bv->unlockInset(this);
 709                         }
 710                         break;
 711                 case FINISHED_DOWN:
 712                         result = moveDown(bv);
 713                         if (result.val() >= FINISHED) {
 714                                 updateLocal(bv, false);
 715                                 bv->unlockInset(this);
 716                         }
 717                         break;
 718                 default:
 719                         result.dispatched(true);
 720                         result.update(true);
 721                         break;
 722                 }
 723                 the_locking_inset = 0;
 724                 updateLocal(bv, false);
 725                 // make sure status gets reset immediately
 726                 bv->owner()->clearMessage();
 727                 return result;
 728         }
 729
 730         switch (cmd.action) {
 731         // Normal chars
 732         case LFUN_SELFINSERT:
 733                 if (bv->buffer()->isReadonly()) {
 734 //          setErrorMessage(N_("Document is read only"));
 735                         break;
 736                 }
 737                 if (!cmd.argument.empty()) {
 738                         /* Automatically delete the currently selected
 739                          * text and replace it with what is being
 740                          * typed in now. Depends on lyxrc settings
 741                          * "auto_region_delete", which defaults to
 742                          * true (on). */
 743 #if 0
 744                         // This should not be needed here and is also WRONG!
 745                         recordUndo(bv, Undo::INSERT, text_.cursorPar());
 746 #endif
 747                         bv->switchKeyMap();
 748
 749                         if (lyxrc.auto_region_delete && text_.selection.set())
 750                                 text_.cutSelection(false, false);
 751                         text_.clearSelection();
 752
 753                         for (string::size_type i = 0; i < cmd.argument.length(); ++i)
 754                                 bv->owner()->getIntl().getTransManager().
 755                                         TranslateAndInsert(cmd.argument[i], &text_);
 756                 }
 757                 text_.selection.cursor = text_.cursor;
 758                 result.dispatched(true);
 759                 result.update(true);
 760                 break;
 761
 762         // cursor movements that need special handling
 763
 764         case LFUN_RIGHT:
 765                 result = moveRight(bv);
 766                 finishUndo();
 767                 break;
 768         case LFUN_LEFT:
 769                 finishUndo();
 770                 result = moveLeft(bv);
 771                 break;
 772         case LFUN_DOWN:
 773                 finishUndo();
 774                 result = moveDown(bv);
 775                 break;
 776         case LFUN_UP:
 777                 finishUndo();
 778                 result = moveUp(bv);
 779                 break;
 780
 781         case LFUN_PRIOR:
 782                 if (crow() == text_.firstRow())
 783                         result.val(FINISHED_UP);
 784                 else {
 785                         text_.cursorPrevious();
 786                         text_.clearSelection();
 787                         result.dispatched(true);
 788                 }
 789                 break;
 790
 791         case LFUN_NEXT:
 792                 if (crow() == text_.lastRow())
 793                         result.val(FINISHED_DOWN);
 794                 else {
 795                         text_.cursorNext();
 796                         text_.clearSelection();
 797                         result.dispatched(true);
 798                 }
 799                 break;
 800
 801         case LFUN_BACKSPACE:
 802                 if (text_.selection.set())
 803                         text_.cutSelection(true, false);
 804                 else
 805                         text_.backspace();
 806 #warning should be also set dispatched here?
 807                 result.update(true);
 808                 break;
 809
 810         case LFUN_DELETE:
 811                 if (text_.selection.set())
 812                         text_.cutSelection(true, false);
 813                 else
 814                         text_.Delete();
 815 #warning should be also set dispatched here?
 816                 result.update(true);
 817                 break;
 818
 819         case LFUN_PASTE:
 820                 if (!autoBreakRows_) {
 821                         if (CutAndPaste::nrOfParagraphs() > 1) {
 822 #ifdef WITH_WARNINGS
 823 #warning FIXME horrendously bad UI
 824 #endif
 825                                 Alert::error(_("Paste failed"), _("Cannot include more than one paragraph."));
 826                         }
 827                 } else {
 828                         replaceSelection(bv->getLyXText());
 829                         size_t sel_index = 0;
 830                         string const & arg = cmd.argument;
 831                         if (isStrUnsignedInt(arg)) {
 832 #warning FIXME Check if the arg is in the domain of available selections.
 833                                 sel_index = strToUnsignedInt(arg);
 834                         }
 835                         text_.pasteSelection(sel_index);
 836                         // bug 393
 837                         text_.clearSelection();
 838 #warning should be also set dispatched here?
 839                         result.update(true);
 840                 }
 841                 break;
 842
 843         case LFUN_BREAKPARAGRAPH:
 844                 if (!autoBreakRows_) {
 845                         result.dispatched(true);
 846                         result.update(true);
 847                 } else {
 848                         replaceSelection(bv->getLyXText());
 849                         text_.breakParagraph(paragraphs, 0);
 850 #warning should be also set dispatched here?
 851                         result.update(true);
 852                 }
 853                 break;
 854
 855         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 856                 if (!autoBreakRows_) {
 857                         result.dispatched(true);
 858                         result.update(true);
 859                 } else {
 860                         replaceSelection(bv->getLyXText());
 861                         text_.breakParagraph(paragraphs, 1);
 862 #warning should be also set dispatched here?
 863                         result.update(true);
 864                 }
 865                 break;
 866
 867         case LFUN_BREAKLINE: {
 868                 if (!autoBreakRows_) {
 869                         result.dispatched(true);
 870                         result.update(true);
 871                 } else {
 872                         replaceSelection(bv->getLyXText());
 873                         auto_ptr<InsetNewline> ins(new InsetNewline);
 874                         text_.insertInset(ins.release());
 875 #warning should be also set dispatched here?
 876                         result.update(true);
 877                 }
 878                 break;
 879         }
 880
 881         case LFUN_LAYOUT:
 882                 // do not set layouts on non breakable textinsets
 883                 if (autoBreakRows_) {
 884                         string cur_layout = cpar()->layout()->name();
 885
 886                         // Derive layout number from given argument (string)
 887                         // and current buffer's textclass (number).
 888                         LyXTextClass const & tclass =
 889                                 bv->buffer()->params().getLyXTextClass();
 890                         string layout = cmd.argument;
 891                         bool hasLayout = tclass.hasLayout(layout);
 892
 893                         // If the entry is obsolete, use the new one instead.
 894                         if (hasLayout) {
 895                                 string const & obs = tclass[layout]->obsoleted_by();
 896                                 if (!obs.empty())
 897                                         layout = obs;
 898                         }
 899
 900                         // see if we found the layout number:
 901                         if (!hasLayout) {
 902                                 FuncRequest lf(LFUN_MESSAGE, N_("Layout ") + cmd.argument + N_(" not known"));
 903                                 bv->owner()->dispatch(lf);
 904                                 break;
 905                         }
 906
 907                         if (cur_layout != layout) {
 908                                 cur_layout = layout;
 909                                 text_.setLayout(layout);
 910                                 bv->owner()->setLayout(cpar()->layout()->name());
 911 #warning should be also set dispatched here?
 912                                 result.update(true);
 913                         }
 914                 } else {
 915                         // reset the layout box
 916                         bv->owner()->setLayout(cpar()->layout()->name());
 917                 }
 918                 break;
 919
 920         default:
 921                 break;
 922         }
 923
 924         if (result.update()) {
 925                 result.update(false);
 926                 updateLocal(bv, true);
 927         }
 928
 929         /// If the action has deleted all text in the inset, we need to change the
 930         // language to the language of the surronding text.
 931         if (!was_empty && paragraphs.begin()->empty() &&
 932             paragraphs.size() == 1) {
 933                 LyXFont font(LyXFont::ALL_IGNORE);
 934                 font.setLanguage(bv->getParentLanguage(this));
 935                 setFont(bv, font, false);
 936         }
 937
 938         if (result.val() >= FINISHED) {
 939                 result.val(NONE);
 940                 bv->unlockInset(this);
 941         }
 942
 943         return result;
 944 }
 945
 946
 947 int InsetText::latex(Buffer const & buf, ostream & os,
 948                      LatexRunParams const & runparams) const
 949 {
 950         TexRow texrow;
 951         latexParagraphs(buf, paragraphs, os, texrow, runparams);
 952         return texrow.rows();
 953 }
 954
 955
 956 int InsetText::ascii(Buffer const & buf, ostream & os,
 957                      LatexRunParams const & runparams) const
 958 {
 959         ParagraphList::const_iterator beg = paragraphs.begin();
 960         ParagraphList::const_iterator end = paragraphs.end();
 961         ParagraphList::const_iterator it = beg;
 962         for (; it != end; ++it)
 963                 asciiParagraph(buf, *it, os, runparams, it == beg);
 964
 965         //FIXME: Give the total numbers of lines
 966         return 0;
 967 }
 968
 969
 970 int InsetText::linuxdoc(Buffer const & buf, ostream & os,
 971                         LatexRunParams const & runparams) const
 972 {
 973         linuxdocParagraphs(buf, paragraphs, os, runparams);
 974         return 0;
 975 }
 976
 977
 978 int InsetText::docbook(Buffer const & buf, ostream & os,
 979                        LatexRunParams const & runparams) const
 980 {
 981         docbookParagraphs(buf, paragraphs, os, runparams);
 982         return 0;
 983 }
 984
 985
 986 void InsetText::validate(LaTeXFeatures & features) const
 987 {
 988         for_each(paragraphs.begin(), paragraphs.end(),
 989                  boost::bind(&Paragraph::validate, _1, boost::ref(features)));
 990 }
 991
 992
 993 void InsetText::getCursor(BufferView & bv, int & x, int & y) const
 994 {
 995         if (the_locking_inset) {
 996                 the_locking_inset->getCursor(bv, x, y);
 997                 return;
 998         }
 999         x = cx();
1000         y = cy() + InsetText::y();
1001 }
1002
1003
1004 void InsetText::getCursorPos(BufferView * bv, int & x, int & y) const
1005 {
1006         if (the_locking_inset) {
1007                 the_locking_inset->getCursorPos(bv, x, y);
1008                 return;
1009         }
1010         x = cx() - top_x - TEXT_TO_INSET_OFFSET;
1011         y = cy() - TEXT_TO_INSET_OFFSET;
1012 }
1013
1014
1015 int InsetText::insetInInsetY() const
1016 {
1017         if (!the_locking_inset)
1018                 return 0;
1019
1020         return inset_y + the_locking_inset->insetInInsetY();
1021 }
1022
1023
1024 void InsetText::fitInsetCursor(BufferView * bv) const
1025 {
1026         if (the_locking_inset) {
1027                 the_locking_inset->fitInsetCursor(bv);
1028                 return;
1029         }
1030
1031         LyXFont const font = text_.getFont(cpar(), cpos());
1032
1033         int const asc = font_metrics::maxAscent(font);
1034         int const desc = font_metrics::maxDescent(font);
1035
1036         bv->fitLockedInsetCursor(cx(), cy(), asc, desc);
1037 }
1038
1039
1040 DispatchResult InsetText::moveRight(BufferView * bv)
1041 {
1042         if (text_.cursorPar()->isRightToLeftPar(bv->buffer()->params()))
1043                 return moveLeftIntern(bv, false, true, false);
1044         else
1045                 return moveRightIntern(bv, true, true, false);
1046 }
1047
1048
1049 DispatchResult InsetText::moveLeft(BufferView * bv)
1050 {
1051         if (text_.cursorPar()->isRightToLeftPar(bv->buffer()->params()))
1052                 return moveRightIntern(bv, true, true, false);
1053         else
1054                 return moveLeftIntern(bv, false, true, false);
1055 }
1056
1057
1058 DispatchResult
1059 InsetText::moveRightIntern(BufferView * bv, bool front,
1060                            bool activate_inset, bool selecting)
1061 {
1062         ParagraphList::iterator c_par = cpar();
1063
1064         if (boost::next(c_par) == paragraphs.end() && cpos() >= c_par->size())
1065                 return DispatchResult(false, FINISHED_RIGHT);
1066         if (activate_inset && checkAndActivateInset(bv, front))
1067                 return DispatchResult(true, true);
1068         text_.cursorRight(bv);
1069         if (!selecting)
1070                 text_.clearSelection();
1071         return DispatchResult(true);
1072 }
1073
1074
1075 DispatchResult
1076 InsetText::moveLeftIntern(BufferView * bv, bool front,
1077                           bool activate_inset, bool selecting)
1078 {
1079         if (cpar() == paragraphs.begin() && cpos() <= 0)
1080                 return DispatchResult(false, FINISHED);
1081         text_.cursorLeft(bv);
1082         if (!selecting)
1083                 text_.clearSelection();
1084         if (activate_inset && checkAndActivateInset(bv, front))
1085                 return DispatchResult(true, true);
1086         return DispatchResult(true);
1087 }
1088
1089
1090 DispatchResult InsetText::moveUp(BufferView * bv)
1091 {
1092         if (crow() == text_.firstRow())
1093                 return DispatchResult(false, FINISHED_UP);
1094         text_.cursorUp(bv);
1095         text_.clearSelection();
1096         return DispatchResult(true);
1097 }
1098
1099
1100 DispatchResult InsetText::moveDown(BufferView * bv)
1101 {
1102         if (crow() == text_.lastRow())
1103                 return DispatchResult(false, FINISHED_DOWN);
1104         text_.cursorDown(bv);
1105         text_.clearSelection();
1106         return DispatchResult(true);
1107 }
1108
1109
1110 bool InsetText::insertInset(BufferView * bv, InsetOld * inset)
1111 {
1112         if (the_locking_inset) {
1113                 if (the_locking_inset->insetAllowed(inset))
1114                         return the_locking_inset->insertInset(bv, inset);
1115                 return false;
1116         }
1117         inset->setOwner(this);
1118         text_.insertInset(inset);
1119         bv->fitCursor();
1120         updateLocal(bv, true);
1121         return true;
1122 }
1123
1124
1125 bool InsetText::insetAllowed(InsetOld::Code code) const
1126 {
1127         // in_insetAllowed is a really gross hack,
1128         // to allow us to call the owner's insetAllowed
1129         // without stack overflow, which can happen
1130         // when the owner uses InsetCollapsable::insetAllowed()
1131         bool ret = true;
1132         if (in_insetAllowed)
1133                 return ret;
1134         in_insetAllowed = true;
1135         if (the_locking_inset)
1136                 ret = the_locking_inset->insetAllowed(code);
1137         else if (owner())
1138                 ret = owner()->insetAllowed(code);
1139         in_insetAllowed = false;
1140         return ret;
1141 }
1142
1143
1144 UpdatableInset * InsetText::getLockingInset() const
1145 {
1146         return the_locking_inset ? the_locking_inset->getLockingInset() :
1147                 const_cast<InsetText *>(this);
1148 }
1149
1150
1151 UpdatableInset * InsetText::getFirstLockingInsetOfType(InsetOld::Code c)
1152 {
1153         if (c == lyxCode())
1154                 return this;
1155         if (the_locking_inset)
1156                 return the_locking_inset->getFirstLockingInsetOfType(c);
1157         return 0;
1158 }
1159
1160
1161 bool InsetText::showInsetDialog(BufferView * bv) const
1162 {
1163         if (the_locking_inset)
1164                 return the_locking_inset->showInsetDialog(bv);
1165         return false;
1166 }
1167
1168
1169 void InsetText::getLabelList(Buffer const & buffer,
1170                              std::vector<string> & list) const
1171 {
1172         ParagraphList::const_iterator pit = paragraphs.begin();
1173         ParagraphList::const_iterator pend = paragraphs.end();
1174         for (; pit != pend; ++pit) {
1175                 InsetList::const_iterator beg = pit->insetlist.begin();
1176                 InsetList::const_iterator end = pit->insetlist.end();
1177                 for (; beg != end; ++beg)
1178                         beg->inset->getLabelList(buffer, list);
1179         }
1180 }
1181
1182
1183 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
1184                         bool selectall)
1185 {
1186         if (the_locking_inset) {
1187                 the_locking_inset->setFont(bv, font, toggleall, selectall);
1188                 return;
1189         }
1190
1191         if ((paragraphs.size() == 1 && paragraphs.begin()->empty())
1192             || cpar()->empty()) {
1193                 text_.setFont(font, toggleall);
1194                 return;
1195         }
1196
1197
1198         if (text_.selection.set())
1199                 text_.recUndo(text_.cursor.par());
1200
1201         if (selectall) {
1202                 text_.cursorTop();
1203                 text_.selection.cursor = text_.cursor;
1204                 text_.cursorBottom();
1205                 text_.setSelection();
1206         }
1207
1208         text_.toggleFree(font, toggleall);
1209
1210         if (selectall)
1211                 text_.clearSelection();
1212
1213         bv->fitCursor();
1214         updateLocal(bv, true);
1215 }
1216
1217
1218 bool InsetText::checkAndActivateInset(BufferView * bv, bool front)
1219 {
1220         if (cpos() == cpar()->size())
1221                 return false;
1222         InsetOld * inset = cpar()->getInset(cpos());
1223         if (!isHighlyEditableInset(inset))
1224                 return false;
1225         FuncRequest cmd(bv, LFUN_INSET_EDIT, front ? "left" : "right");
1226         inset->dispatch(cmd);
1227         if (!the_locking_inset)
1228                 return false;
1229         updateLocal(bv, false);
1230         return true;
1231 }
1232
1233
1234 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1235                                       mouse_button::state button)
1236 {
1237         int dummyx = x;
1238         int dummyy = y + dim_.asc;
1239         InsetOld * inset = getLyXText(bv)->checkInsetHit(dummyx, dummyy);
1240         // we only do the edit() call if the inset was hit by the mouse
1241         // or if it is a highly editable inset. So we should call this
1242         // function from our own edit with button < 0.
1243         // FIXME: GUII jbl. I've changed this to ::none for now which is probably
1244         // WRONG
1245         if (button == mouse_button::none && !isHighlyEditableInset(inset))
1246                 return false;
1247
1248         if (!inset)
1249                 return false;
1250         if (x < 0)
1251                 x = dim_.wid;
1252         if (y < 0)
1253                 y = dim_.des;
1254         inset_x = cx() - top_x;
1255         inset_y = cy();
1256         FuncRequest cmd(bv, LFUN_INSET_EDIT, x - inset_x, y - inset_y, button);
1257         inset->dispatch(cmd);
1258         if (!the_locking_inset)
1259                 return false;
1260         updateLocal(bv, false);
1261         return true;
1262 }
1263
1264
1265 void InsetText::markNew(bool track_changes)
1266 {
1267         ParagraphList::iterator pit = paragraphs.begin();
1268         ParagraphList::iterator end = paragraphs.end();
1269         for (; pit != end; ++pit) {
1270                 if (track_changes) {
1271                         pit->trackChanges();
1272                 } else {
1273                         // no-op when not tracking
1274                         pit->cleanChanges();
1275                 }
1276         }
1277 }
1278
1279
1280 void InsetText::setText(string const & data, LyXFont const & font)
1281 {
1282         clear(false);
1283         for (unsigned int i = 0; i < data.length(); ++i)
1284                 paragraphs.begin()->insertChar(i, data[i], font);
1285 }
1286
1287
1288 void InsetText::setAutoBreakRows(bool flag)
1289 {
1290         if (flag != autoBreakRows_) {
1291                 autoBreakRows_ = flag;
1292                 if (!flag)
1293                         removeNewlines();
1294         }
1295 }
1296
1297
1298 void InsetText::setDrawFrame(DrawFrame how)
1299 {
1300         drawFrame_ = how;
1301 }
1302
1303
1304 LColor_color InsetText::frameColor() const
1305 {
1306         return LColor::color(frame_color_);
1307 }
1308
1309
1310 void InsetText::setFrameColor(LColor_color col)
1311 {
1312         frame_color_ = col;
1313 }
1314
1315
1316 int InsetText::cx() const
1317 {
1318         int x = text_.cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1319         if (the_locking_inset) {
1320                 LyXFont font = text_.getFont(text_.cursorPar(), text_.cursor.pos());
1321                 if (font.isVisibleRightToLeft())
1322                         x -= the_locking_inset->width();
1323         }
1324         return x;
1325 }
1326
1327
1328 int InsetText::cy() const
1329 {
1330         return text_.cursor.y() - dim_.asc + TEXT_TO_INSET_OFFSET;
1331 }
1332
1333
1334 pos_type InsetText::cpos() const
1335 {
1336         return text_.cursor.pos();
1337 }
1338
1339
1340 ParagraphList::iterator InsetText::cpar() const
1341 {
1342         return text_.cursorPar();
1343 }
1344
1345
1346 bool InsetText::cboundary() const
1347 {
1348         return text_.cursor.boundary();
1349 }
1350
1351
1352 RowList::iterator InsetText::crow() const
1353 {
1354         return cpar()->getRow(cpos());
1355 }
1356
1357
1358 LyXText * InsetText::getLyXText(BufferView const * bv,
1359                                 bool const recursive) const
1360 {
1361         setViewCache(bv);
1362         if (recursive && the_locking_inset)
1363                 return the_locking_inset->getLyXText(bv, true);
1364         return &text_;
1365 }
1366
1367
1368 void InsetText::setViewCache(BufferView const * bv) const
1369 {
1370         if (bv) {
1371                 if (bv != text_.bv_owner) {
1372                         //lyxerr << "setting view cache from "
1373                         //      << text_.bv_owner << " to " << bv << "\n";
1374                         text_.init(const_cast<BufferView *>(bv));
1375                 }
1376                 text_.bv_owner = const_cast<BufferView *>(bv);
1377         }
1378 }
1379
1380
1381 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1382 {
1383         if (recursive) {
1384                 /// then remove all LyXText in text-insets
1385                 for_each(const_cast<ParagraphList&>(paragraphs).begin(),
1386                          const_cast<ParagraphList&>(paragraphs).end(),
1387                          boost::bind(&Paragraph::deleteInsetsLyXText, _1, bv));
1388         }
1389 }
1390
1391
1392 void InsetText::removeNewlines()
1393 {
1394         ParagraphList::iterator it = paragraphs.begin();
1395         ParagraphList::iterator end = paragraphs.end();
1396         for (; it != end; ++it)
1397                 for (int i = 0; i < it->size(); ++i)
1398                         if (it->isNewline(i))
1399                                 it->erase(i);
1400 }
1401
1402
1403 int InsetText::scroll(bool recursive) const
1404 {
1405         int sx = UpdatableInset::scroll(false);
1406
1407         if (recursive && the_locking_inset)
1408                 sx += the_locking_inset->scroll(recursive);
1409
1410         return sx;
1411 }
1412
1413
1414 void InsetText::clearSelection(BufferView *)
1415 {
1416         text_.clearSelection();
1417 }
1418
1419
1420 void InsetText::clearInset(BufferView * bv, int start_x, int baseline) const
1421 {
1422         Painter & pain = bv->painter();
1423         int w = dim_.wid;
1424         int h = dim_.asc + dim_.des;
1425         int ty = baseline - dim_.asc;
1426
1427         if (ty < 0) {
1428                 h += ty;
1429                 ty = 0;
1430         }
1431         if (ty + h > pain.paperHeight())
1432                 h = pain.paperHeight();
1433         if (top_x + w > pain.paperWidth())
1434                 w = pain.paperWidth();
1435         pain.fillRectangle(start_x + 1, ty + 1, w - 3, h - 1, backgroundColor());
1436 }
1437
1438
1439 ParagraphList * InsetText::getParagraphs(int i) const
1440 {
1441         return (i == 0) ? const_cast<ParagraphList*>(&paragraphs) : 0;
1442 }
1443
1444
1445 LyXText * InsetText::getText(int i) const
1446 {
1447         return (i == 0) ? const_cast<LyXText*>(&text_) : 0;
1448 }
1449
1450
1451 LyXCursor const & InsetText::cursor(BufferView * bv) const
1452 {
1453         if (the_locking_inset)
1454                 return the_locking_inset->cursor(bv);
1455         return getLyXText(bv)->cursor;
1456 }
1457
1458
1459 WordLangTuple const
1460 InsetText::selectNextWordToSpellcheck(BufferView * bv, float & value) const
1461 {
1462         WordLangTuple word;
1463         if (the_locking_inset) {
1464                 word = the_locking_inset->selectNextWordToSpellcheck(bv, value);
1465                 if (!word.word().empty()) {
1466                         value += cy();
1467                         return word;
1468                 }
1469                 // we have to go on checking so move cursor to the next char
1470                 text_.cursor.pos(text_.cursor.pos() + 1);
1471         }
1472         word = text_.selectNextWordToSpellcheck(value);
1473         if (word.word().empty())
1474                 bv->unlockInset(const_cast<InsetText *>(this));
1475         else
1476                 value = cy();
1477         return word;
1478 }
1479
1480
1481 void InsetText::selectSelectedWord(BufferView * bv)
1482 {
1483         if (the_locking_inset) {
1484                 the_locking_inset->selectSelectedWord(bv);
1485                 return;
1486         }
1487         getLyXText(bv)->selectSelectedWord();
1488         updateLocal(bv, false);
1489 }
1490
1491
1492 bool InsetText::nextChange(BufferView * bv, lyx::pos_type & length)
1493 {
1494         if (the_locking_inset) {
1495                 if (the_locking_inset->nextChange(bv, length))
1496                         return true;
1497                 text_.cursorRight(true);
1498         }
1499         lyx::find::SearchResult result =
1500                 lyx::find::findNextChange(bv, &text_, length);
1501
1502         if (result == lyx::find::SR_FOUND) {
1503                 LyXCursor cur = text_.cursor;
1504                 bv->unlockInset(bv->theLockingInset());
1505                 if (bv->lockInset(this))
1506                         locked = true;
1507                 text_.cursor = cur;
1508                 text_.setSelectionRange(length);
1509                 updateLocal(bv, false);
1510         }
1511         return result != lyx::find::SR_NOT_FOUND;
1512 }
1513
1514
1515 bool InsetText::searchForward(BufferView * bv, string const & str,
1516                               bool cs, bool mw)
1517 {
1518         if (the_locking_inset) {
1519                 if (the_locking_inset->searchForward(bv, str, cs, mw))
1520                         return true;
1521                 text_.cursorRight(true);
1522         }
1523         lyx::find::SearchResult result =
1524                 lyx::find::find(bv, &text_, str, true, cs, mw);
1525
1526         if (result == lyx::find::SR_FOUND) {
1527                 LyXCursor cur = text_.cursor;
1528                 bv->unlockInset(bv->theLockingInset());
1529                 if (bv->lockInset(this))
1530                         locked = true;
1531                 text_.cursor = cur;
1532                 text_.setSelectionRange(str.length());
1533                 updateLocal(bv, false);
1534         }
1535         return result != lyx::find::SR_NOT_FOUND;
1536 }
1537
1538
1539 bool InsetText::searchBackward(BufferView * bv, string const & str,
1540                                bool cs, bool mw)
1541 {
1542         if (the_locking_inset) {
1543                 if (the_locking_inset->searchBackward(bv, str, cs, mw))
1544                         return true;
1545         }
1546         if (!locked) {
1547                 text_.setCursor(paragraphs.size() - 1, paragraphs.back().size());
1548         }
1549         lyx::find::SearchResult result =
1550                 lyx::find::find(bv, &text_, str, false, cs, mw);
1551
1552         if (result == lyx::find::SR_FOUND) {
1553                 LyXCursor cur = text_.cursor;
1554                 bv->unlockInset(bv->theLockingInset());
1555                 if (bv->lockInset(this))
1556                         locked = true;
1557                 text_.cursor = cur;
1558                 text_.setSelectionRange(str.length());
1559                 updateLocal(bv, false);
1560         }
1561         return result != lyx::find::SR_NOT_FOUND;
1562 }
1563
1564
1565 bool InsetText::checkInsertChar(LyXFont & font)
1566 {
1567         return owner() ? owner()->checkInsertChar(font) : true;
1568 }
1569
1570
1571 void InsetText::collapseParagraphs(BufferView * bv)
1572 {
1573         while (paragraphs.size() > 1) {
1574                 ParagraphList::iterator const first = paragraphs.begin();
1575                 ParagraphList::iterator second = first;
1576                 advance(second, 1);
1577                 size_t const first_par_size = first->size();
1578
1579                 if (!first->empty() &&
1580                     !second->empty() &&
1581                     !first->isSeparator(first_par_size - 1)) {
1582                         first->insertChar(first_par_size, ' ');
1583                 }
1584
1585 #warning probably broken
1586                 if (text_.selection.set()) {
1587                         if (text_.selection.start.par() == 1) {
1588                                 text_.selection.start.par(1);
1589                                 text_.selection.start.pos(text_.selection.start.pos() + first_par_size);
1590                         }
1591                         if (text_.selection.end.par() == 2) {
1592                                 text_.selection.end.par(1);
1593                                 text_.selection.end.pos(text_.selection.end.pos() + first_par_size);
1594                         }
1595                 }
1596
1597                 mergeParagraph(bv->buffer()->params(), paragraphs, first);
1598         }
1599 }
1600
1601
1602 void InsetText::getDrawFont(LyXFont & font) const
1603 {
1604         if (!owner())
1605                 return;
1606         owner()->getDrawFont(font);
1607 }
1608
1609
1610 void InsetText::appendParagraphs(Buffer * buffer, ParagraphList & plist)
1611 {
1612 #warning FIXME Check if Changes stuff needs changing here. (Lgb)
1613 // And it probably does. You have to take a look at this John. (Lgb)
1614 #warning John, have a look here. (Lgb)
1615         ParagraphList::iterator pit = plist.begin();
1616         ParagraphList::iterator ins = paragraphs.insert(paragraphs.end(), *pit);
1617         ++pit;
1618         mergeParagraph(buffer->params(), paragraphs, boost::prior(ins));
1619
1620         ParagraphList::iterator pend = plist.end();
1621         for (; pit != pend; ++pit)
1622                 paragraphs.push_back(*pit);
1623 }
1624
1625
1626 void InsetText::addPreview(PreviewLoader & loader) const
1627 {
1628         ParagraphList::const_iterator pit = paragraphs.begin();
1629         ParagraphList::const_iterator pend = paragraphs.end();
1630
1631         for (; pit != pend; ++pit) {
1632                 InsetList::const_iterator it  = pit->insetlist.begin();
1633                 InsetList::const_iterator end = pit->insetlist.end();
1634                 for (; it != end; ++it)
1635                         it->inset->addPreview(loader);
1636         }
1637 }