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                         auto_ptr<InsetNewline> ins(new InsetNewline);
 862                         text_.insertInset(ins.release());
 863                         updflag = true;
 864                 }
 865                 break;
 866         }
 867
 868         case LFUN_LAYOUT:
 869                 // do not set layouts on non breakable textinsets
 870                 if (autoBreakRows_) {
 871                         string cur_layout = cpar()->layout()->name();
 872
 873                         // Derive layout number from given argument (string)
 874                         // and current buffer's textclass (number).
 875                         LyXTextClass const & tclass =
 876                                 bv->buffer()->params().getLyXTextClass();
 877                         string layout = cmd.argument;
 878                         bool hasLayout = tclass.hasLayout(layout);
 879
 880                         // If the entry is obsolete, use the new one instead.
 881                         if (hasLayout) {
 882                                 string const & obs = tclass[layout]->obsoleted_by();
 883                                 if (!obs.empty())
 884                                         layout = obs;
 885                         }
 886
 887                         // see if we found the layout number:
 888                         if (!hasLayout) {
 889                                 FuncRequest lf(LFUN_MESSAGE, N_("Layout ") + cmd.argument + N_(" not known"));
 890                                 bv->owner()->dispatch(lf);
 891                                 break;
 892                         }
 893
 894                         if (cur_layout != layout) {
 895                                 cur_layout = layout;
 896                                 text_.setLayout(layout);
 897                                 bv->owner()->setLayout(cpar()->layout()->name());
 898                                 updflag = true;
 899                         }
 900                 } else {
 901                         // reset the layout box
 902                         bv->owner()->setLayout(cpar()->layout()->name());
 903                 }
 904                 break;
 905
 906         default:
 907                 if (!bv->dispatch(cmd))
 908                         result = DispatchResult(false);
 909                 break;
 910         }
 911
 912         updateLocal(bv, updflag);
 913
 914         /// If the action has deleted all text in the inset, we need to change the
 915         // language to the language of the surronding text.
 916         if (!was_empty && paragraphs.begin()->empty() &&
 917             paragraphs.size() == 1) {
 918                 LyXFont font(LyXFont::ALL_IGNORE);
 919                 font.setLanguage(bv->getParentLanguage(this));
 920                 setFont(bv, font, false);
 921         }
 922
 923         if (result.val() >= FINISHED)
 924                 bv->unlockInset(this);
 925
 926         if (result.val() == NOUPDATE)
 927                 result = DispatchResult(true);
 928         return result;
 929 }
 930
 931
 932 int InsetText::latex(Buffer const & buf, ostream & os,
 933                      LatexRunParams const & runparams) const
 934 {
 935         TexRow texrow;
 936         latexParagraphs(buf, paragraphs, os, texrow, runparams);
 937         return texrow.rows();
 938 }
 939
 940
 941 int InsetText::ascii(Buffer const & buf, ostream & os,
 942                      LatexRunParams const & runparams) const
 943 {
 944         ParagraphList::const_iterator beg = paragraphs.begin();
 945         ParagraphList::const_iterator end = paragraphs.end();
 946         ParagraphList::const_iterator it = beg;
 947         for (; it != end; ++it)
 948                 asciiParagraph(buf, *it, os, runparams, it == beg);
 949
 950         //FIXME: Give the total numbers of lines
 951         return 0;
 952 }
 953
 954
 955 int InsetText::linuxdoc(Buffer const & buf, ostream & os,
 956                         LatexRunParams const & runparams) const
 957 {
 958         linuxdocParagraphs(buf, paragraphs, os, runparams);
 959         return 0;
 960 }
 961
 962
 963 int InsetText::docbook(Buffer const & buf, ostream & os,
 964                        LatexRunParams const & runparams) const
 965 {
 966         docbookParagraphs(buf, paragraphs, os, runparams);
 967         return 0;
 968 }
 969
 970
 971 void InsetText::validate(LaTeXFeatures & features) const
 972 {
 973         for_each(paragraphs.begin(), paragraphs.end(),
 974                  boost::bind(&Paragraph::validate, _1, boost::ref(features)));
 975 }
 976
 977
 978 void InsetText::getCursor(BufferView & bv, int & x, int & y) const
 979 {
 980         if (the_locking_inset) {
 981                 the_locking_inset->getCursor(bv, x, y);
 982                 return;
 983         }
 984         x = cx();
 985         y = cy() + InsetText::y();
 986 }
 987
 988
 989 void InsetText::getCursorPos(BufferView * bv, int & x, int & y) const
 990 {
 991         if (the_locking_inset) {
 992                 the_locking_inset->getCursorPos(bv, x, y);
 993                 return;
 994         }
 995         x = cx() - top_x - TEXT_TO_INSET_OFFSET;
 996         y = cy() - TEXT_TO_INSET_OFFSET;
 997 }
 998
 999
1000 int InsetText::insetInInsetY() const
1001 {
1002         if (!the_locking_inset)
1003                 return 0;
1004
1005         return inset_y + the_locking_inset->insetInInsetY();
1006 }
1007
1008
1009 void InsetText::fitInsetCursor(BufferView * bv) const
1010 {
1011         if (the_locking_inset) {
1012                 the_locking_inset->fitInsetCursor(bv);
1013                 return;
1014         }
1015
1016         LyXFont const font = text_.getFont(cpar(), cpos());
1017
1018         int const asc = font_metrics::maxAscent(font);
1019         int const desc = font_metrics::maxDescent(font);
1020
1021         bv->fitLockedInsetCursor(cx(), cy(), asc, desc);
1022 }
1023
1024
1025 DispatchResult InsetText::moveRight(BufferView * bv)
1026 {
1027         if (text_.cursorPar()->isRightToLeftPar(bv->buffer()->params()))
1028                 return moveLeftIntern(bv, false, true, false);
1029         else
1030                 return moveRightIntern(bv, true, true, false);
1031 }
1032
1033
1034 DispatchResult InsetText::moveLeft(BufferView * bv)
1035 {
1036         if (text_.cursorPar()->isRightToLeftPar(bv->buffer()->params()))
1037                 return moveRightIntern(bv, true, true, false);
1038         else
1039                 return moveLeftIntern(bv, false, true, false);
1040 }
1041
1042
1043 DispatchResult
1044 InsetText::moveRightIntern(BufferView * bv, bool front,
1045                            bool activate_inset, bool selecting)
1046 {
1047         ParagraphList::iterator c_par = cpar();
1048
1049         if (boost::next(c_par) == paragraphs.end() && cpos() >= c_par->size())
1050                 return DispatchResult(false, FINISHED_RIGHT);
1051         if (activate_inset && checkAndActivateInset(bv, front))
1052                 return DispatchResult(true);
1053         text_.cursorRight(bv);
1054         if (!selecting)
1055                 text_.clearSelection();
1056         return DispatchResult(true, NOUPDATE);
1057 }
1058
1059
1060 DispatchResult
1061 InsetText::moveLeftIntern(BufferView * bv, bool front,
1062                           bool activate_inset, bool selecting)
1063 {
1064         if (cpar() == paragraphs.begin() && cpos() <= 0)
1065                 return DispatchResult(false, FINISHED);
1066         text_.cursorLeft(bv);
1067         if (!selecting)
1068                 text_.clearSelection();
1069         if (activate_inset && checkAndActivateInset(bv, front))
1070                 return DispatchResult(true);
1071         return DispatchResult(true, NOUPDATE);
1072 }
1073
1074
1075 DispatchResult InsetText::moveUp(BufferView * bv)
1076 {
1077         if (crow() == text_.firstRow())
1078                 return DispatchResult(false, FINISHED_UP);
1079         text_.cursorUp(bv);
1080         text_.clearSelection();
1081         return DispatchResult(true, NOUPDATE);
1082 }
1083
1084
1085 DispatchResult InsetText::moveDown(BufferView * bv)
1086 {
1087         if (crow() == text_.lastRow())
1088                 return DispatchResult(false, FINISHED_DOWN);
1089         text_.cursorDown(bv);
1090         text_.clearSelection();
1091         return DispatchResult(true, NOUPDATE);
1092 }
1093
1094
1095 bool InsetText::insertInset(BufferView * bv, InsetOld * inset)
1096 {
1097         if (the_locking_inset) {
1098                 if (the_locking_inset->insetAllowed(inset))
1099                         return the_locking_inset->insertInset(bv, inset);
1100                 return false;
1101         }
1102         inset->setOwner(this);
1103         text_.insertInset(inset);
1104         bv->fitCursor();
1105         updateLocal(bv, true);
1106         return true;
1107 }
1108
1109
1110 bool InsetText::insetAllowed(InsetOld::Code code) const
1111 {
1112         // in_insetAllowed is a really gross hack,
1113         // to allow us to call the owner's insetAllowed
1114         // without stack overflow, which can happen
1115         // when the owner uses InsetCollapsable::insetAllowed()
1116         bool ret = true;
1117         if (in_insetAllowed)
1118                 return ret;
1119         in_insetAllowed = true;
1120         if (the_locking_inset)
1121                 ret = the_locking_inset->insetAllowed(code);
1122         else if (owner())
1123                 ret = owner()->insetAllowed(code);
1124         in_insetAllowed = false;
1125         return ret;
1126 }
1127
1128
1129 UpdatableInset * InsetText::getLockingInset() const
1130 {
1131         return the_locking_inset ? the_locking_inset->getLockingInset() :
1132                 const_cast<InsetText *>(this);
1133 }
1134
1135
1136 UpdatableInset * InsetText::getFirstLockingInsetOfType(InsetOld::Code c)
1137 {
1138         if (c == lyxCode())
1139                 return this;
1140         if (the_locking_inset)
1141                 return the_locking_inset->getFirstLockingInsetOfType(c);
1142         return 0;
1143 }
1144
1145
1146 bool InsetText::showInsetDialog(BufferView * bv) const
1147 {
1148         if (the_locking_inset)
1149                 return the_locking_inset->showInsetDialog(bv);
1150         return false;
1151 }
1152
1153
1154 void InsetText::getLabelList(Buffer const & buffer,
1155                              std::vector<string> & list) const
1156 {
1157         ParagraphList::const_iterator pit = paragraphs.begin();
1158         ParagraphList::const_iterator pend = paragraphs.end();
1159         for (; pit != pend; ++pit) {
1160                 InsetList::const_iterator beg = pit->insetlist.begin();
1161                 InsetList::const_iterator end = pit->insetlist.end();
1162                 for (; beg != end; ++beg)
1163                         beg->inset->getLabelList(buffer, list);
1164         }
1165 }
1166
1167
1168 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
1169                         bool selectall)
1170 {
1171         if (the_locking_inset) {
1172                 the_locking_inset->setFont(bv, font, toggleall, selectall);
1173                 return;
1174         }
1175
1176         if ((paragraphs.size() == 1 && paragraphs.begin()->empty())
1177             || cpar()->empty()) {
1178                 text_.setFont(font, toggleall);
1179                 return;
1180         }
1181
1182
1183         if (text_.selection.set())
1184                 text_.recUndo(text_.cursor.par());
1185
1186         if (selectall) {
1187                 text_.cursorTop();
1188                 text_.selection.cursor = text_.cursor;
1189                 text_.cursorBottom();
1190                 text_.setSelection();
1191         }
1192
1193         text_.toggleFree(font, toggleall);
1194
1195         if (selectall)
1196                 text_.clearSelection();
1197
1198         bv->fitCursor();
1199         updateLocal(bv, true);
1200 }
1201
1202
1203 bool InsetText::checkAndActivateInset(BufferView * bv, bool front)
1204 {
1205         if (cpos() == cpar()->size())
1206                 return false;
1207         InsetOld * inset = cpar()->getInset(cpos());
1208         if (!isHighlyEditableInset(inset))
1209                 return false;
1210         FuncRequest cmd(bv, LFUN_INSET_EDIT, front ? "left" : "right");
1211         inset->dispatch(cmd);
1212         if (!the_locking_inset)
1213                 return false;
1214         updateLocal(bv, false);
1215         return true;
1216 }
1217
1218
1219 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1220                                       mouse_button::state button)
1221 {
1222         int dummyx = x;
1223         int dummyy = y + dim_.asc;
1224         InsetOld * inset = getLyXText(bv)->checkInsetHit(dummyx, dummyy);
1225         // we only do the edit() call if the inset was hit by the mouse
1226         // or if it is a highly editable inset. So we should call this
1227         // function from our own edit with button < 0.
1228         // FIXME: GUII jbl. I've changed this to ::none for now which is probably
1229         // WRONG
1230         if (button == mouse_button::none && !isHighlyEditableInset(inset))
1231                 return false;
1232
1233         if (!inset)
1234                 return false;
1235         if (x < 0)
1236                 x = dim_.wid;
1237         if (y < 0)
1238                 y = dim_.des;
1239         inset_x = cx() - top_x;
1240         inset_y = cy();
1241         FuncRequest cmd(bv, LFUN_INSET_EDIT, x - inset_x, y - inset_y, button);
1242         inset->dispatch(cmd);
1243         if (!the_locking_inset)
1244                 return false;
1245         updateLocal(bv, false);
1246         return true;
1247 }
1248
1249
1250 void InsetText::markNew(bool track_changes)
1251 {
1252         ParagraphList::iterator pit = paragraphs.begin();
1253         ParagraphList::iterator end = paragraphs.end();
1254         for (; pit != end; ++pit) {
1255                 if (track_changes) {
1256                         pit->trackChanges();
1257                 } else {
1258                         // no-op when not tracking
1259                         pit->cleanChanges();
1260                 }
1261         }
1262 }
1263
1264
1265 void InsetText::setText(string const & data, LyXFont const & font)
1266 {
1267         clear(false);
1268         for (unsigned int i = 0; i < data.length(); ++i)
1269                 paragraphs.begin()->insertChar(i, data[i], font);
1270 }
1271
1272
1273 void InsetText::setAutoBreakRows(bool flag)
1274 {
1275         if (flag != autoBreakRows_) {
1276                 autoBreakRows_ = flag;
1277                 if (!flag)
1278                         removeNewlines();
1279         }
1280 }
1281
1282
1283 void InsetText::setDrawFrame(DrawFrame how)
1284 {
1285         drawFrame_ = how;
1286 }
1287
1288
1289 LColor_color InsetText::frameColor() const
1290 {
1291         return LColor::color(frame_color_);
1292 }
1293
1294
1295 void InsetText::setFrameColor(LColor_color col)
1296 {
1297         frame_color_ = col;
1298 }
1299
1300
1301 int InsetText::cx() const
1302 {
1303         int x = text_.cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1304         if (the_locking_inset) {
1305                 LyXFont font = text_.getFont(text_.cursorPar(), text_.cursor.pos());
1306                 if (font.isVisibleRightToLeft())
1307                         x -= the_locking_inset->width();
1308         }
1309         return x;
1310 }
1311
1312
1313 int InsetText::cy() const
1314 {
1315         return text_.cursor.y() - dim_.asc + TEXT_TO_INSET_OFFSET;
1316 }
1317
1318
1319 pos_type InsetText::cpos() const
1320 {
1321         return text_.cursor.pos();
1322 }
1323
1324
1325 ParagraphList::iterator InsetText::cpar() const
1326 {
1327         return text_.cursorPar();
1328 }
1329
1330
1331 bool InsetText::cboundary() const
1332 {
1333         return text_.cursor.boundary();
1334 }
1335
1336
1337 RowList::iterator InsetText::crow() const
1338 {
1339         return cpar()->getRow(cpos());
1340 }
1341
1342
1343 LyXText * InsetText::getLyXText(BufferView const * bv,
1344                                 bool const recursive) const
1345 {
1346         setViewCache(bv);
1347         if (recursive && the_locking_inset)
1348                 return the_locking_inset->getLyXText(bv, true);
1349         return &text_;
1350 }
1351
1352
1353 void InsetText::setViewCache(BufferView const * bv) const
1354 {
1355         if (bv) {
1356                 if (bv != text_.bv_owner) {
1357                         //lyxerr << "setting view cache from "
1358                         //      << text_.bv_owner << " to " << bv << "\n";
1359                         text_.init(const_cast<BufferView *>(bv));
1360                 }
1361                 text_.bv_owner = const_cast<BufferView *>(bv);
1362         }
1363 }
1364
1365
1366 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1367 {
1368         if (recursive) {
1369                 /// then remove all LyXText in text-insets
1370                 for_each(const_cast<ParagraphList&>(paragraphs).begin(),
1371                          const_cast<ParagraphList&>(paragraphs).end(),
1372                          boost::bind(&Paragraph::deleteInsetsLyXText, _1, bv));
1373         }
1374 }
1375
1376
1377 void InsetText::removeNewlines()
1378 {
1379         ParagraphList::iterator it = paragraphs.begin();
1380         ParagraphList::iterator end = paragraphs.end();
1381         for (; it != end; ++it)
1382                 for (int i = 0; i < it->size(); ++i)
1383                         if (it->isNewline(i))
1384                                 it->erase(i);
1385 }
1386
1387
1388 int InsetText::scroll(bool recursive) const
1389 {
1390         int sx = UpdatableInset::scroll(false);
1391
1392         if (recursive && the_locking_inset)
1393                 sx += the_locking_inset->scroll(recursive);
1394
1395         return sx;
1396 }
1397
1398
1399 void InsetText::clearSelection(BufferView *)
1400 {
1401         text_.clearSelection();
1402 }
1403
1404
1405 void InsetText::clearInset(BufferView * bv, int start_x, int baseline) const
1406 {
1407         Painter & pain = bv->painter();
1408         int w = dim_.wid;
1409         int h = dim_.asc + dim_.des;
1410         int ty = baseline - dim_.asc;
1411
1412         if (ty < 0) {
1413                 h += ty;
1414                 ty = 0;
1415         }
1416         if (ty + h > pain.paperHeight())
1417                 h = pain.paperHeight();
1418         if (top_x + w > pain.paperWidth())
1419                 w = pain.paperWidth();
1420         pain.fillRectangle(start_x + 1, ty + 1, w - 3, h - 1, backgroundColor());
1421 }
1422
1423
1424 ParagraphList * InsetText::getParagraphs(int i) const
1425 {
1426         return (i == 0) ? const_cast<ParagraphList*>(&paragraphs) : 0;
1427 }
1428
1429
1430 LyXText * InsetText::getText(int i) const
1431 {
1432         return (i == 0) ? const_cast<LyXText*>(&text_) : 0;
1433 }
1434
1435
1436 LyXCursor const & InsetText::cursor(BufferView * bv) const
1437 {
1438         if (the_locking_inset)
1439                 return the_locking_inset->cursor(bv);
1440         return getLyXText(bv)->cursor;
1441 }
1442
1443
1444 WordLangTuple const
1445 InsetText::selectNextWordToSpellcheck(BufferView * bv, float & value) const
1446 {
1447         WordLangTuple word;
1448         if (the_locking_inset) {
1449                 word = the_locking_inset->selectNextWordToSpellcheck(bv, value);
1450                 if (!word.word().empty()) {
1451                         value += cy();
1452                         return word;
1453                 }
1454                 // we have to go on checking so move cursor to the next char
1455                 text_.cursor.pos(text_.cursor.pos() + 1);
1456         }
1457         word = text_.selectNextWordToSpellcheck(value);
1458         if (word.word().empty())
1459                 bv->unlockInset(const_cast<InsetText *>(this));
1460         else
1461                 value = cy();
1462         return word;
1463 }
1464
1465
1466 void InsetText::selectSelectedWord(BufferView * bv)
1467 {
1468         if (the_locking_inset) {
1469                 the_locking_inset->selectSelectedWord(bv);
1470                 return;
1471         }
1472         getLyXText(bv)->selectSelectedWord();
1473         updateLocal(bv, false);
1474 }
1475
1476
1477 bool InsetText::nextChange(BufferView * bv, lyx::pos_type & length)
1478 {
1479         if (the_locking_inset) {
1480                 if (the_locking_inset->nextChange(bv, length))
1481                         return true;
1482                 text_.cursorRight(true);
1483         }
1484         lyx::find::SearchResult result =
1485                 lyx::find::findNextChange(bv, &text_, length);
1486
1487         if (result == lyx::find::SR_FOUND) {
1488                 LyXCursor cur = text_.cursor;
1489                 bv->unlockInset(bv->theLockingInset());
1490                 if (bv->lockInset(this))
1491                         locked = true;
1492                 text_.cursor = cur;
1493                 text_.setSelectionRange(length);
1494                 updateLocal(bv, false);
1495         }
1496         return result != lyx::find::SR_NOT_FOUND;
1497 }
1498
1499
1500 bool InsetText::searchForward(BufferView * bv, string const & str,
1501                               bool cs, bool mw)
1502 {
1503         if (the_locking_inset) {
1504                 if (the_locking_inset->searchForward(bv, str, cs, mw))
1505                         return true;
1506                 text_.cursorRight(true);
1507         }
1508         lyx::find::SearchResult result =
1509                 lyx::find::find(bv, &text_, str, true, cs, mw);
1510
1511         if (result == lyx::find::SR_FOUND) {
1512                 LyXCursor cur = text_.cursor;
1513                 bv->unlockInset(bv->theLockingInset());
1514                 if (bv->lockInset(this))
1515                         locked = true;
1516                 text_.cursor = cur;
1517                 text_.setSelectionRange(str.length());
1518                 updateLocal(bv, false);
1519         }
1520         return result != lyx::find::SR_NOT_FOUND;
1521 }
1522
1523
1524 bool InsetText::searchBackward(BufferView * bv, string const & str,
1525                                bool cs, bool mw)
1526 {
1527         if (the_locking_inset) {
1528                 if (the_locking_inset->searchBackward(bv, str, cs, mw))
1529                         return true;
1530         }
1531         if (!locked) {
1532                 text_.setCursor(paragraphs.size() - 1, paragraphs.back().size());
1533         }
1534         lyx::find::SearchResult result =
1535                 lyx::find::find(bv, &text_, str, false, cs, mw);
1536
1537         if (result == lyx::find::SR_FOUND) {
1538                 LyXCursor cur = text_.cursor;
1539                 bv->unlockInset(bv->theLockingInset());
1540                 if (bv->lockInset(this))
1541                         locked = true;
1542                 text_.cursor = cur;
1543                 text_.setSelectionRange(str.length());
1544                 updateLocal(bv, false);
1545         }
1546         return result != lyx::find::SR_NOT_FOUND;
1547 }
1548
1549
1550 bool InsetText::checkInsertChar(LyXFont & font)
1551 {
1552         return owner() ? owner()->checkInsertChar(font) : true;
1553 }
1554
1555
1556 void InsetText::collapseParagraphs(BufferView * bv)
1557 {
1558         while (paragraphs.size() > 1) {
1559                 ParagraphList::iterator const first = paragraphs.begin();
1560                 ParagraphList::iterator second = first;
1561                 advance(second, 1);
1562                 size_t const first_par_size = first->size();
1563
1564                 if (!first->empty() &&
1565                     !second->empty() &&
1566                     !first->isSeparator(first_par_size - 1)) {
1567                         first->insertChar(first_par_size, ' ');
1568                 }
1569
1570 #warning probably broken
1571                 if (text_.selection.set()) {
1572                         if (text_.selection.start.par() == 1) {
1573                                 text_.selection.start.par(1);
1574                                 text_.selection.start.pos(text_.selection.start.pos() + first_par_size);
1575                         }
1576                         if (text_.selection.end.par() == 2) {
1577                                 text_.selection.end.par(1);
1578                                 text_.selection.end.pos(text_.selection.end.pos() + first_par_size);
1579                         }
1580                 }
1581
1582                 mergeParagraph(bv->buffer()->params(), paragraphs, first);
1583         }
1584 }
1585
1586
1587 void InsetText::getDrawFont(LyXFont & font) const
1588 {
1589         if (!owner())
1590                 return;
1591         owner()->getDrawFont(font);
1592 }
1593
1594
1595 void InsetText::appendParagraphs(Buffer * buffer, ParagraphList & plist)
1596 {
1597 #warning FIXME Check if Changes stuff needs changing here. (Lgb)
1598 // And it probably does. You have to take a look at this John. (Lgb)
1599 #warning John, have a look here. (Lgb)
1600         ParagraphList::iterator pit = plist.begin();
1601         ParagraphList::iterator ins = paragraphs.insert(paragraphs.end(), *pit);
1602         ++pit;
1603         mergeParagraph(buffer->params(), paragraphs, boost::prior(ins));
1604
1605         ParagraphList::iterator pend = plist.end();
1606         for (; pit != pend; ++pit)
1607                 paragraphs.push_back(*pit);
1608 }
1609
1610
1611 void InsetText::addPreview(PreviewLoader & loader) const
1612 {
1613         ParagraphList::const_iterator pit = paragraphs.begin();
1614         ParagraphList::const_iterator pend = paragraphs.end();
1615
1616         for (; pit != pend; ++pit) {
1617                 InsetList::const_iterator it  = pit->insetlist.begin();
1618                 InsetList::const_iterator end = pit->insetlist.end();
1619                 for (; it != end; ++it)
1620                         it->inset->addPreview(loader);
1621         }
1622 }