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                 text_.cursor.x_fix(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() || res.val() >= NOUPDATE;
 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() || res.val() >= NOUPDATE;
 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         text_.cursor.x_fix(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);
 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                                 text_.cursor.x_fix(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);
 657         }
 658
 659         case LFUN_MOUSE_PRESS:
 660                 lfunMousePress(cmd);
 661                 return DispatchResult(true);
 662
 663         case LFUN_MOUSE_MOTION:
 664                 lfunMouseMotion(cmd);
 665                 return DispatchResult(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 DispatchResult(true);
 680
 681         result = DispatchResult(true);
 682         if (cmd.action < 0 && cmd.argument.empty())
 683                 return DispatchResult(false, FINISHED);
 684
 685         if (the_locking_inset) {
 686                 result = the_locking_inset->dispatch(cmd);
 687
 688                 if (result.dispatched()) {
 689                         if (result.val() != NOUPDATE)
 690                                 updateLocal(bv, false);
 691                         return result;
 692                 }
 693
 694                 switch (result.val()) {
 695                 case FINISHED_RIGHT:
 696                         moveRightIntern(bv, false, false);
 697                         result = DispatchResult(true);
 698                         break;
 699                 case FINISHED_UP:
 700                         result = moveUp(bv);
 701                         if (result.val() >= FINISHED) {
 702                                 updateLocal(bv, false);
 703                                 bv->unlockInset(this);
 704                         }
 705                         break;
 706                 case FINISHED_DOWN:
 707                         result = moveDown(bv);
 708                         if (result.val() >= FINISHED) {
 709                                 updateLocal(bv, false);
 710                                 bv->unlockInset(this);
 711                         }
 712                         break;
 713                 default:
 714                         result = DispatchResult(true);
 715                         break;
 716                 }
 717                 the_locking_inset = 0;
 718                 updateLocal(bv, false);
 719                 // make sure status gets reset immediately
 720                 bv->owner()->clearMessage();
 721                 return result;
 722         }
 723         bool updflag = false;
 724
 725         switch (cmd.action) {
 726
 727         // Normal chars
 728         case LFUN_SELFINSERT:
 729                 if (bv->buffer()->isReadonly()) {
 730 //          setErrorMessage(N_("Document is read only"));
 731                         break;
 732                 }
 733                 if (!cmd.argument.empty()) {
 734                         /* Automatically delete the currently selected
 735                          * text and replace it with what is being
 736                          * typed in now. Depends on lyxrc settings
 737                          * "auto_region_delete", which defaults to
 738                          * true (on). */
 739 #if 0
 740                         // This should not be needed here and is also WRONG!
 741                         recordUndo(bv, Undo::INSERT, text_.cursorPar());
 742 #endif
 743                         bv->switchKeyMap();
 744
 745                         if (lyxrc.auto_region_delete && text_.selection.set())
 746                                 text_.cutSelection(false, false);
 747                         text_.clearSelection();
 748
 749                         for (string::size_type i = 0; i < cmd.argument.length(); ++i)
 750                                 bv->owner()->getIntl().getTransManager().
 751                                         TranslateAndInsert(cmd.argument[i], &text_);
 752                 }
 753                 text_.selection.cursor = text_.cursor;
 754                 updflag = true;
 755                 result = DispatchResult(true, NOUPDATE);
 756                 break;
 757
 758         // cursor movements that need special handling
 759
 760         case LFUN_RIGHT:
 761                 result = moveRight(bv);
 762                 finishUndo();
 763                 break;
 764         case LFUN_LEFT:
 765                 finishUndo();
 766                 result = moveLeft(bv);
 767                 break;
 768         case LFUN_DOWN:
 769                 finishUndo();
 770                 result = moveDown(bv);
 771                 break;
 772         case LFUN_UP:
 773                 finishUndo();
 774                 result = moveUp(bv);
 775                 break;
 776
 777         case LFUN_PRIOR:
 778                 if (crow() == text_.firstRow())
 779                         result = DispatchResult(false, FINISHED_UP);
 780                 else {
 781                         text_.cursorPrevious();
 782                         text_.clearSelection();
 783                         result = DispatchResult(true, NOUPDATE);
 784                 }
 785                 break;
 786
 787         case LFUN_NEXT:
 788                 if (crow() == text_.lastRow())
 789                         result = DispatchResult(false, FINISHED_DOWN);
 790                 else {
 791                         text_.cursorNext();
 792                         text_.clearSelection();
 793                         result = DispatchResult(true, NOUPDATE);
 794                 }
 795                 break;
 796
 797         case LFUN_BACKSPACE:
 798                 if (text_.selection.set())
 799                         text_.cutSelection(true, false);
 800                 else
 801                         text_.backspace();
 802                 updflag = true;
 803                 break;
 804
 805         case LFUN_DELETE:
 806                 if (text_.selection.set())
 807                         text_.cutSelection(true, false);
 808                 else
 809                         text_.Delete();
 810                 updflag = true;
 811                 break;
 812
 813         case LFUN_PASTE:
 814                 if (!autoBreakRows_) {
 815                         if (CutAndPaste::nrOfParagraphs() > 1) {
 816 #ifdef WITH_WARNINGS
 817 #warning FIXME horrendously bad UI
 818 #endif
 819                                 Alert::error(_("Paste failed"), _("Cannot include more than one paragraph."));
 820                         }
 821                 } else {
 822                         replaceSelection(bv->getLyXText());
 823                         size_t sel_index = 0;
 824                         string const & arg = cmd.argument;
 825                         if (isStrUnsignedInt(arg)) {
 826 #warning FIXME Check if the arg is in the domain of available selections.
 827                                 sel_index = strToUnsignedInt(arg);
 828                         }
 829                         text_.pasteSelection(sel_index);
 830                         // bug 393
 831                         text_.clearSelection();
 832                         updflag = true;
 833                 }
 834                 break;
 835
 836         case LFUN_BREAKPARAGRAPH:
 837                 if (!autoBreakRows_) {
 838                         result = DispatchResult(true);
 839                 } else {
 840                         replaceSelection(bv->getLyXText());
 841                         text_.breakParagraph(paragraphs, 0);
 842                         updflag = true;
 843                 }
 844                 break;
 845
 846         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 847                 if (!autoBreakRows_) {
 848                         result = DispatchResult(true);
 849                 } else {
 850                         replaceSelection(bv->getLyXText());
 851                         text_.breakParagraph(paragraphs, 1);
 852                         updflag = true;
 853                 }
 854                 break;
 855
 856         case LFUN_BREAKLINE: {
 857                 if (!autoBreakRows_) {
 858                         result = DispatchResult(true);
 859                 } else {
 860                         replaceSelection(bv->getLyXText());
 861                         text_.insertInset(new InsetNewline);
 862                         updflag = true;
 863                 }
 864                 break;
 865         }
 866
 867         case LFUN_LAYOUT:
 868                 // do not set layouts on non breakable textinsets
 869                 if (autoBreakRows_) {
 870                         string cur_layout = cpar()->layout()->name();
 871
 872                         // Derive layout number from given argument (string)
 873                         // and current buffer's textclass (number).
 874                         LyXTextClass const & tclass =
 875                                 bv->buffer()->params().getLyXTextClass();
 876                         string layout = cmd.argument;
 877                         bool hasLayout = tclass.hasLayout(layout);
 878
 879                         // If the entry is obsolete, use the new one instead.
 880                         if (hasLayout) {
 881                                 string const & obs = tclass[layout]->obsoleted_by();
 882                                 if (!obs.empty())
 883                                         layout = obs;
 884                         }
 885
 886                         // see if we found the layout number:
 887                         if (!hasLayout) {
 888                                 FuncRequest lf(LFUN_MESSAGE, N_("Layout ") + cmd.argument + N_(" not known"));
 889                                 bv->owner()->dispatch(lf);
 890                                 break;
 891                         }
 892
 893                         if (cur_layout != layout) {
 894                                 cur_layout = layout;
 895                                 text_.setLayout(layout);
 896                                 bv->owner()->setLayout(cpar()->layout()->name());
 897                                 updflag = true;
 898                         }
 899                 } else {
 900                         // reset the layout box
 901                         bv->owner()->setLayout(cpar()->layout()->name());
 902                 }
 903                 break;
 904
 905         default:
 906                 if (!bv->dispatch(cmd))
 907                         result = DispatchResult(false);
 908                 break;
 909         }
 910
 911         updateLocal(bv, updflag);
 912
 913         /// If the action has deleted all text in the inset, we need to change the
 914         // language to the language of the surronding text.
 915         if (!was_empty && paragraphs.begin()->empty() &&
 916             paragraphs.size() == 1) {
 917                 LyXFont font(LyXFont::ALL_IGNORE);
 918                 font.setLanguage(bv->getParentLanguage(this));
 919                 setFont(bv, font, false);
 920         }
 921
 922         if (result.val() >= FINISHED)
 923                 bv->unlockInset(this);
 924
 925         if (result.val() == NOUPDATE)
 926                 result = DispatchResult(true);
 927         return result;
 928 }
 929
 930
 931 int InsetText::latex(Buffer const & buf, ostream & os,
 932                      LatexRunParams const & runparams) const
 933 {
 934         TexRow texrow;
 935         latexParagraphs(buf, paragraphs, os, texrow, runparams);
 936         return texrow.rows();
 937 }
 938
 939
 940 int InsetText::ascii(Buffer const & buf, ostream & os,
 941                      LatexRunParams const & runparams) const
 942 {
 943         ParagraphList::const_iterator beg = paragraphs.begin();
 944         ParagraphList::const_iterator end = paragraphs.end();
 945         ParagraphList::const_iterator it = beg;
 946         for (; it != end; ++it)
 947                 asciiParagraph(buf, *it, os, runparams, it == beg);
 948
 949         //FIXME: Give the total numbers of lines
 950         return 0;
 951 }
 952
 953
 954 int InsetText::linuxdoc(Buffer const & buf, ostream & os,
 955                         LatexRunParams const & runparams) const
 956 {
 957         linuxdocParagraphs(buf, paragraphs, os, runparams);
 958         return 0;
 959 }
 960
 961
 962 int InsetText::docbook(Buffer const & buf, ostream & os,
 963                        LatexRunParams const & runparams) const
 964 {
 965         docbookParagraphs(buf, paragraphs, os, runparams);
 966         return 0;
 967 }
 968
 969
 970 void InsetText::validate(LaTeXFeatures & features) const
 971 {
 972         for_each(paragraphs.begin(), paragraphs.end(),
 973                  boost::bind(&Paragraph::validate, _1, boost::ref(features)));
 974 }
 975
 976
 977 void InsetText::getCursor(BufferView & bv, int & x, int & y) const
 978 {
 979         if (the_locking_inset) {
 980                 the_locking_inset->getCursor(bv, x, y);
 981                 return;
 982         }
 983         x = cx();
 984         y = cy() + InsetText::y();
 985 }
 986
 987
 988 void InsetText::getCursorPos(BufferView * bv, int & x, int & y) const
 989 {
 990         if (the_locking_inset) {
 991                 the_locking_inset->getCursorPos(bv, x, y);
 992                 return;
 993         }
 994         x = cx() - top_x - TEXT_TO_INSET_OFFSET;
 995         y = cy() - TEXT_TO_INSET_OFFSET;
 996 }
 997
 998
 999 int InsetText::insetInInsetY() const
1000 {
1001         if (!the_locking_inset)
1002                 return 0;
1003
1004         return inset_y + the_locking_inset->insetInInsetY();
1005 }
1006
1007
1008 void InsetText::fitInsetCursor(BufferView * bv) const
1009 {
1010         if (the_locking_inset) {
1011                 the_locking_inset->fitInsetCursor(bv);
1012                 return;
1013         }
1014
1015         LyXFont const font = text_.getFont(cpar(), cpos());
1016
1017         int const asc = font_metrics::maxAscent(font);
1018         int const desc = font_metrics::maxDescent(font);
1019
1020         bv->fitLockedInsetCursor(cx(), cy(), asc, desc);
1021 }
1022
1023
1024 DispatchResult InsetText::moveRight(BufferView * bv)
1025 {
1026         if (text_.cursorPar()->isRightToLeftPar(bv->buffer()->params()))
1027                 return moveLeftIntern(bv, false, true, false);
1028         else
1029                 return moveRightIntern(bv, true, true, false);
1030 }
1031
1032
1033 DispatchResult InsetText::moveLeft(BufferView * bv)
1034 {
1035         if (text_.cursorPar()->isRightToLeftPar(bv->buffer()->params()))
1036                 return moveRightIntern(bv, true, true, false);
1037         else
1038                 return moveLeftIntern(bv, false, true, false);
1039 }
1040
1041
1042 DispatchResult
1043 InsetText::moveRightIntern(BufferView * bv, bool front,
1044                            bool activate_inset, bool selecting)
1045 {
1046         ParagraphList::iterator c_par = cpar();
1047
1048         if (boost::next(c_par) == paragraphs.end() && cpos() >= c_par->size())
1049                 return DispatchResult(false, FINISHED_RIGHT);
1050         if (activate_inset && checkAndActivateInset(bv, front))
1051                 return DispatchResult(true);
1052         text_.cursorRight(bv);
1053         if (!selecting)
1054                 text_.clearSelection();
1055         return DispatchResult(true, NOUPDATE);
1056 }
1057
1058
1059 DispatchResult
1060 InsetText::moveLeftIntern(BufferView * bv, bool front,
1061                           bool activate_inset, bool selecting)
1062 {
1063         if (cpar() == paragraphs.begin() && cpos() <= 0)
1064                 return DispatchResult(false, FINISHED);
1065         text_.cursorLeft(bv);
1066         if (!selecting)
1067                 text_.clearSelection();
1068         if (activate_inset && checkAndActivateInset(bv, front))
1069                 return DispatchResult(true);
1070         return DispatchResult(true, NOUPDATE);
1071 }
1072
1073
1074 DispatchResult InsetText::moveUp(BufferView * bv)
1075 {
1076         if (crow() == text_.firstRow())
1077                 return DispatchResult(false, FINISHED_UP);
1078         text_.cursorUp(bv);
1079         text_.clearSelection();
1080         return DispatchResult(true, NOUPDATE);
1081 }
1082
1083
1084 DispatchResult InsetText::moveDown(BufferView * bv)
1085 {
1086         if (crow() == text_.lastRow())
1087                 return DispatchResult(false, FINISHED_DOWN);
1088         text_.cursorDown(bv);
1089         text_.clearSelection();
1090         return DispatchResult(true, NOUPDATE);
1091 }
1092
1093
1094 bool InsetText::insertInset(BufferView * bv, InsetOld * inset)
1095 {
1096         if (the_locking_inset) {
1097                 if (the_locking_inset->insetAllowed(inset))
1098                         return the_locking_inset->insertInset(bv, inset);
1099                 return false;
1100         }
1101         inset->setOwner(this);
1102         text_.insertInset(inset);
1103         bv->fitCursor();
1104         updateLocal(bv, true);
1105         return true;
1106 }
1107
1108
1109 bool InsetText::insetAllowed(InsetOld::Code code) const
1110 {
1111         // in_insetAllowed is a really gross hack,
1112         // to allow us to call the owner's insetAllowed
1113         // without stack overflow, which can happen
1114         // when the owner uses InsetCollapsable::insetAllowed()
1115         bool ret = true;
1116         if (in_insetAllowed)
1117                 return ret;
1118         in_insetAllowed = true;
1119         if (the_locking_inset)
1120                 ret = the_locking_inset->insetAllowed(code);
1121         else if (owner())
1122                 ret = owner()->insetAllowed(code);
1123         in_insetAllowed = false;
1124         return ret;
1125 }
1126
1127
1128 UpdatableInset * InsetText::getLockingInset() const
1129 {
1130         return the_locking_inset ? the_locking_inset->getLockingInset() :
1131                 const_cast<InsetText *>(this);
1132 }
1133
1134
1135 UpdatableInset * InsetText::getFirstLockingInsetOfType(InsetOld::Code c)
1136 {
1137         if (c == lyxCode())
1138                 return this;
1139         if (the_locking_inset)
1140                 return the_locking_inset->getFirstLockingInsetOfType(c);
1141         return 0;
1142 }
1143
1144
1145 bool InsetText::showInsetDialog(BufferView * bv) const
1146 {
1147         if (the_locking_inset)
1148                 return the_locking_inset->showInsetDialog(bv);
1149         return false;
1150 }
1151
1152
1153 void InsetText::getLabelList(Buffer const & buffer,
1154                              std::vector<string> & list) const
1155 {
1156         ParagraphList::const_iterator pit = paragraphs.begin();
1157         ParagraphList::const_iterator pend = paragraphs.end();
1158         for (; pit != pend; ++pit) {
1159                 InsetList::const_iterator beg = pit->insetlist.begin();
1160                 InsetList::const_iterator end = pit->insetlist.end();
1161                 for (; beg != end; ++beg)
1162                         beg->inset->getLabelList(buffer, list);
1163         }
1164 }
1165
1166
1167 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
1168                         bool selectall)
1169 {
1170         if (the_locking_inset) {
1171                 the_locking_inset->setFont(bv, font, toggleall, selectall);
1172                 return;
1173         }
1174
1175         if ((paragraphs.size() == 1 && paragraphs.begin()->empty())
1176             || cpar()->empty()) {
1177                 text_.setFont(font, toggleall);
1178                 return;
1179         }
1180
1181
1182         if (text_.selection.set())
1183                 text_.recUndo(text_.cursor.par());
1184
1185         if (selectall) {
1186                 text_.cursorTop();
1187                 text_.selection.cursor = text_.cursor;
1188                 text_.cursorBottom();
1189                 text_.setSelection();
1190         }
1191
1192         text_.toggleFree(font, toggleall);
1193
1194         if (selectall)
1195                 text_.clearSelection();
1196
1197         bv->fitCursor();
1198         updateLocal(bv, true);
1199 }
1200
1201
1202 bool InsetText::checkAndActivateInset(BufferView * bv, bool front)
1203 {
1204         if (cpos() == cpar()->size())
1205                 return false;
1206         InsetOld * inset = cpar()->getInset(cpos());
1207         if (!isHighlyEditableInset(inset))
1208                 return false;
1209         FuncRequest cmd(bv, LFUN_INSET_EDIT, front ? "left" : "right");
1210         inset->dispatch(cmd);
1211         if (!the_locking_inset)
1212                 return false;
1213         updateLocal(bv, false);
1214         return true;
1215 }
1216
1217
1218 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1219                                       mouse_button::state button)
1220 {
1221         int dummyx = x;
1222         int dummyy = y + dim_.asc;
1223         InsetOld * inset = getLyXText(bv)->checkInsetHit(dummyx, dummyy);
1224         // we only do the edit() call if the inset was hit by the mouse
1225         // or if it is a highly editable inset. So we should call this
1226         // function from our own edit with button < 0.
1227         // FIXME: GUII jbl. I've changed this to ::none for now which is probably
1228         // WRONG
1229         if (button == mouse_button::none && !isHighlyEditableInset(inset))
1230                 return false;
1231
1232         if (!inset)
1233                 return false;
1234         if (x < 0)
1235                 x = dim_.wid;
1236         if (y < 0)
1237                 y = dim_.des;
1238         inset_x = cx() - top_x;
1239         inset_y = cy();
1240         FuncRequest cmd(bv, LFUN_INSET_EDIT, x - inset_x, y - inset_y, button);
1241         inset->dispatch(cmd);
1242         if (!the_locking_inset)
1243                 return false;
1244         updateLocal(bv, false);
1245         return true;
1246 }
1247
1248
1249 void InsetText::markNew(bool track_changes)
1250 {
1251         ParagraphList::iterator pit = paragraphs.begin();
1252         ParagraphList::iterator end = paragraphs.end();
1253         for (; pit != end; ++pit) {
1254                 if (track_changes) {
1255                         pit->trackChanges();
1256                 } else {
1257                         // no-op when not tracking
1258                         pit->cleanChanges();
1259                 }
1260         }
1261 }
1262
1263
1264 void InsetText::setText(string const & data, LyXFont const & font)
1265 {
1266         clear(false);
1267         for (unsigned int i = 0; i < data.length(); ++i)
1268                 paragraphs.begin()->insertChar(i, data[i], font);
1269 }
1270
1271
1272 void InsetText::setAutoBreakRows(bool flag)
1273 {
1274         if (flag != autoBreakRows_) {
1275                 autoBreakRows_ = flag;
1276                 if (!flag)
1277                         removeNewlines();
1278         }
1279 }
1280
1281
1282 void InsetText::setDrawFrame(DrawFrame how)
1283 {
1284         drawFrame_ = how;
1285 }
1286
1287
1288 LColor_color InsetText::frameColor() const
1289 {
1290         return LColor::color(frame_color_);
1291 }
1292
1293
1294 void InsetText::setFrameColor(LColor_color col)
1295 {
1296         frame_color_ = col;
1297 }
1298
1299
1300 int InsetText::cx() const
1301 {
1302         int x = text_.cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1303         if (the_locking_inset) {
1304                 LyXFont font = text_.getFont(text_.cursorPar(), text_.cursor.pos());
1305                 if (font.isVisibleRightToLeft())
1306                         x -= the_locking_inset->width();
1307         }
1308         return x;
1309 }
1310
1311
1312 int InsetText::cy() const
1313 {
1314         return text_.cursor.y() - dim_.asc + TEXT_TO_INSET_OFFSET;
1315 }
1316
1317
1318 pos_type InsetText::cpos() const
1319 {
1320         return text_.cursor.pos();
1321 }
1322
1323
1324 ParagraphList::iterator InsetText::cpar() const
1325 {
1326         return text_.cursorPar();
1327 }
1328
1329
1330 bool InsetText::cboundary() const
1331 {
1332         return text_.cursor.boundary();
1333 }
1334
1335
1336 RowList::iterator InsetText::crow() const
1337 {
1338         return cpar()->getRow(cpos());
1339 }
1340
1341
1342 LyXText * InsetText::getLyXText(BufferView const * bv,
1343                                 bool const recursive) const
1344 {
1345         setViewCache(bv);
1346         if (recursive && the_locking_inset)
1347                 return the_locking_inset->getLyXText(bv, true);
1348         return &text_;
1349 }
1350
1351
1352 void InsetText::setViewCache(BufferView const * bv) const
1353 {
1354         if (bv) {
1355                 if (bv != text_.bv_owner) {
1356                         //lyxerr << "setting view cache from "
1357                         //      << text_.bv_owner << " to " << bv << "\n";
1358                         text_.init(const_cast<BufferView *>(bv));
1359                 }
1360                 text_.bv_owner = const_cast<BufferView *>(bv);
1361         }
1362 }
1363
1364
1365 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1366 {
1367         if (recursive) {
1368                 /// then remove all LyXText in text-insets
1369                 for_each(const_cast<ParagraphList&>(paragraphs).begin(),
1370                          const_cast<ParagraphList&>(paragraphs).end(),
1371                          boost::bind(&Paragraph::deleteInsetsLyXText, _1, bv));
1372         }
1373 }
1374
1375
1376 void InsetText::removeNewlines()
1377 {
1378         ParagraphList::iterator it = paragraphs.begin();
1379         ParagraphList::iterator end = paragraphs.end();
1380         for (; it != end; ++it)
1381                 for (int i = 0; i < it->size(); ++i)
1382                         if (it->isNewline(i))
1383                                 it->erase(i);
1384 }
1385
1386
1387 int InsetText::scroll(bool recursive) const
1388 {
1389         int sx = UpdatableInset::scroll(false);
1390
1391         if (recursive && the_locking_inset)
1392                 sx += the_locking_inset->scroll(recursive);
1393
1394         return sx;
1395 }
1396
1397
1398 void InsetText::clearSelection(BufferView *)
1399 {
1400         text_.clearSelection();
1401 }
1402
1403
1404 void InsetText::clearInset(BufferView * bv, int start_x, int baseline) const
1405 {
1406         Painter & pain = bv->painter();
1407         int w = dim_.wid;
1408         int h = dim_.asc + dim_.des;
1409         int ty = baseline - dim_.asc;
1410
1411         if (ty < 0) {
1412                 h += ty;
1413                 ty = 0;
1414         }
1415         if (ty + h > pain.paperHeight())
1416                 h = pain.paperHeight();
1417         if (top_x + w > pain.paperWidth())
1418                 w = pain.paperWidth();
1419         pain.fillRectangle(start_x + 1, ty + 1, w - 3, h - 1, backgroundColor());
1420 }
1421
1422
1423 ParagraphList * InsetText::getParagraphs(int i) const
1424 {
1425         return (i == 0) ? const_cast<ParagraphList*>(&paragraphs) : 0;
1426 }
1427
1428
1429 LyXText * InsetText::getText(int i) const
1430 {
1431         return (i == 0) ? const_cast<LyXText*>(&text_) : 0;
1432 }
1433
1434
1435 LyXCursor const & InsetText::cursor(BufferView * bv) const
1436 {
1437         if (the_locking_inset)
1438                 return the_locking_inset->cursor(bv);
1439         return getLyXText(bv)->cursor;
1440 }
1441
1442
1443 InsetOld * InsetText::getInsetFromID(int id_arg) const
1444 {
1445         if (id_arg == id())
1446                 return const_cast<InsetText *>(this);
1447
1448         ParagraphList::const_iterator pit = paragraphs.begin();
1449         ParagraphList::const_iterator pend = paragraphs.end();
1450         for (; pit != pend; ++pit) {
1451                 InsetList::const_iterator it = pit->insetlist.begin();
1452                 InsetList::const_iterator end = pit->insetlist.end();
1453                 for (; it != end; ++it) {
1454                         if (it->inset->id() == id_arg)
1455                                 return it->inset;
1456                         InsetOld * in = it->inset->getInsetFromID(id_arg);
1457                         if (in)
1458                                 return in;
1459                 }
1460         }
1461         return 0;
1462 }
1463
1464
1465 WordLangTuple const
1466 InsetText::selectNextWordToSpellcheck(BufferView * bv, float & value) const
1467 {
1468         WordLangTuple word;
1469         if (the_locking_inset) {
1470                 word = the_locking_inset->selectNextWordToSpellcheck(bv, value);
1471                 if (!word.word().empty()) {
1472                         value += cy();
1473                         return word;
1474                 }
1475                 // we have to go on checking so move cursor to the next char
1476                 text_.cursor.pos(text_.cursor.pos() + 1);
1477         }
1478         word = text_.selectNextWordToSpellcheck(value);
1479         if (word.word().empty())
1480                 bv->unlockInset(const_cast<InsetText *>(this));
1481         else
1482                 value = cy();
1483         return word;
1484 }
1485
1486
1487 void InsetText::selectSelectedWord(BufferView * bv)
1488 {
1489         if (the_locking_inset) {
1490                 the_locking_inset->selectSelectedWord(bv);
1491                 return;
1492         }
1493         getLyXText(bv)->selectSelectedWord();
1494         updateLocal(bv, false);
1495 }
1496
1497
1498 bool InsetText::nextChange(BufferView * bv, lyx::pos_type & length)
1499 {
1500         if (the_locking_inset) {
1501                 if (the_locking_inset->nextChange(bv, length))
1502                         return true;
1503                 text_.cursorRight(true);
1504         }
1505         lyx::find::SearchResult result =
1506                 lyx::find::findNextChange(bv, &text_, length);
1507
1508         if (result == lyx::find::SR_FOUND) {
1509                 LyXCursor cur = text_.cursor;
1510                 bv->unlockInset(bv->theLockingInset());
1511                 if (bv->lockInset(this))
1512                         locked = true;
1513                 text_.cursor = cur;
1514                 text_.setSelectionRange(length);
1515                 updateLocal(bv, false);
1516         }
1517         return result != lyx::find::SR_NOT_FOUND;
1518 }
1519
1520
1521 bool InsetText::searchForward(BufferView * bv, string const & str,
1522                               bool cs, bool mw)
1523 {
1524         if (the_locking_inset) {
1525                 if (the_locking_inset->searchForward(bv, str, cs, mw))
1526                         return true;
1527                 text_.cursorRight(true);
1528         }
1529         lyx::find::SearchResult result =
1530                 lyx::find::find(bv, &text_, str, true, cs, mw);
1531
1532         if (result == lyx::find::SR_FOUND) {
1533                 LyXCursor cur = text_.cursor;
1534                 bv->unlockInset(bv->theLockingInset());
1535                 if (bv->lockInset(this))
1536                         locked = true;
1537                 text_.cursor = cur;
1538                 text_.setSelectionRange(str.length());
1539                 updateLocal(bv, false);
1540         }
1541         return result != lyx::find::SR_NOT_FOUND;
1542 }
1543
1544
1545 bool InsetText::searchBackward(BufferView * bv, string const & str,
1546                                bool cs, bool mw)
1547 {
1548         if (the_locking_inset) {
1549                 if (the_locking_inset->searchBackward(bv, str, cs, mw))
1550                         return true;
1551         }
1552         if (!locked) {
1553                 text_.setCursor(paragraphs.size() - 1, paragraphs.back().size());
1554         }
1555         lyx::find::SearchResult result =
1556                 lyx::find::find(bv, &text_, str, false, cs, mw);
1557
1558         if (result == lyx::find::SR_FOUND) {
1559                 LyXCursor cur = text_.cursor;
1560                 bv->unlockInset(bv->theLockingInset());
1561                 if (bv->lockInset(this))
1562                         locked = true;
1563                 text_.cursor = cur;
1564                 text_.setSelectionRange(str.length());
1565                 updateLocal(bv, false);
1566         }
1567         return result != lyx::find::SR_NOT_FOUND;
1568 }
1569
1570
1571 bool InsetText::checkInsertChar(LyXFont & font)
1572 {
1573         return owner() ? owner()->checkInsertChar(font) : true;
1574 }
1575
1576
1577 void InsetText::collapseParagraphs(BufferView * bv)
1578 {
1579         while (paragraphs.size() > 1) {
1580                 ParagraphList::iterator const first = paragraphs.begin();
1581                 ParagraphList::iterator second = first;
1582                 advance(second, 1);
1583                 size_t const first_par_size = first->size();
1584
1585                 if (!first->empty() &&
1586                     !second->empty() &&
1587                     !first->isSeparator(first_par_size - 1)) {
1588                         first->insertChar(first_par_size, ' ');
1589                 }
1590
1591 #warning probably broken
1592                 if (text_.selection.set()) {
1593                         if (text_.selection.start.par() == 1) {
1594                                 text_.selection.start.par(1);
1595                                 text_.selection.start.pos(text_.selection.start.pos() + first_par_size);
1596                         }
1597                         if (text_.selection.end.par() == 2) {
1598                                 text_.selection.end.par(1);
1599                                 text_.selection.end.pos(text_.selection.end.pos() + first_par_size);
1600                         }
1601                 }
1602
1603                 mergeParagraph(bv->buffer()->params(), paragraphs, first);
1604         }
1605 }
1606
1607
1608 void InsetText::getDrawFont(LyXFont & font) const
1609 {
1610         if (!owner())
1611                 return;
1612         owner()->getDrawFont(font);
1613 }
1614
1615
1616 void InsetText::appendParagraphs(Buffer * buffer, ParagraphList & plist)
1617 {
1618 #warning FIXME Check if Changes stuff needs changing here. (Lgb)
1619 // And it probably does. You have to take a look at this John. (Lgb)
1620 #warning John, have a look here. (Lgb)
1621         ParagraphList::iterator pit = plist.begin();
1622         ParagraphList::iterator ins = paragraphs.insert(paragraphs.end(), *pit);
1623         ++pit;
1624         mergeParagraph(buffer->params(), paragraphs, boost::prior(ins));
1625
1626         ParagraphList::iterator pend = plist.end();
1627         for (; pit != pend; ++pit)
1628                 paragraphs.push_back(*pit);
1629 }
1630
1631
1632 void InsetText::addPreview(PreviewLoader & loader) const
1633 {
1634         ParagraphList::const_iterator pit = paragraphs.begin();
1635         ParagraphList::const_iterator pend = paragraphs.end();
1636
1637         for (; pit != pend; ++pit) {
1638                 InsetList::const_iterator it  = pit->insetlist.begin();
1639                 InsetList::const_iterator end = pit->insetlist.end();
1640                 for (; it != end; ++it)
1641                         it->inset->addPreview(loader);
1642         }
1643 }