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
  15 #include "buffer.h"
  16 #include "BufferView.h"
  17 #include "bufferview_funcs.h"
  18 #include "CutAndPaste.h"
  19 #include "debug.h"
  20 #include "dimension.h"
  21 #include "funcrequest.h"
  22 #include "gettext.h"
  23 #include "errorlist.h"
  24 #include "intl.h"
  25 #include "LaTeXFeatures.h"
  26 #include "LColor.h"
  27 #include "Lsstream.h"
  28 #include "lyxfont.h"
  29 #include "lyxcursor.h"
  30 #include "lyxfind.h"
  31 #include "lyxlex.h"
  32 #include "lyxrow.h"
  33 #include "lyxrc.h"
  34 #include "lyxtext.h"
  35 #include "paragraph.h"
  36 #include "ParagraphParameters.h"
  37 #include "trans_mgr.h"
  38 #include "undo_funcs.h"
  39 #include "WordLangTuple.h"
  40 #include "paragraph_funcs.h"
  41 #include "sgml.h"
  42 #include "rowpainter.h"
  43 #include "insetnewline.h"
  44 #include "metricsinfo.h"
  45
  46 #include "frontends/Alert.h"
  47 #include "frontends/Dialogs.h"
  48 #include "frontends/font_metrics.h"
  49 #include "frontends/LyXView.h"
  50 #include "frontends/Painter.h"
  51 #include "frontends/screen.h"
  52
  53 #include "support/textutils.h"
  54 #include "support/LAssert.h"
  55 #include "support/lstrings.h"
  56 #include "support/lyxalgo.h" // lyx::count
  57
  58 #include <boost/bind.hpp>
  59
  60 #include <fstream>
  61 #include <algorithm>
  62 #include <cstdlib>
  63
  64 using std::ostream;
  65 using std::ifstream;
  66 using std::endl;
  67 using std::min;
  68 using std::max;
  69 using std::make_pair;
  70 using std::vector;
  71 using std::pair;
  72 using std::for_each;
  73
  74 using namespace lyx::support;
  75 using namespace lyx::graphics;
  76 using namespace bv_funcs;
  77
  78 using lyx::pos_type;
  79 using lyx::textclass_type;
  80
  81 // These functions should probably go into bufferview_funcs somehow (Jug)
  82
  83 void InsetText::saveLyXTextState() const
  84 {
  85         // check if my paragraphs are still valid
  86         ParagraphList::iterator it = const_cast<ParagraphList&>(paragraphs).begin();
  87         ParagraphList::iterator end = const_cast<ParagraphList&>(paragraphs).end();
  88         for (; it != end; ++it) {
  89                 if (it == text_.cursor.par())
  90                         break;
  91         }
  92
  93         if (it != end && text_.cursor.pos() <= it->size())
  94                 sstate = text_; // slicing intended
  95         else
  96                 sstate.cursor.par(end);
  97 }
  98
  99
 100 void InsetText::restoreLyXTextState() const
 101 {
 102         if (sstate.cursor.par() == const_cast<ParagraphList&>(paragraphs).end())
 103                 return;
 104
 105         text_.selection.set(true);
 106         // at this point just to avoid the DEPM when setting the cursor
 107         text_.selection.mark(sstate.selection.mark());
 108         if (sstate.selection.set()) {
 109                 text_.setCursor(sstate.selection.start.par(),
 110                         sstate.selection.start.pos(),
 111                         true, sstate.selection.start.boundary());
 112                 text_.selection.cursor = text_.cursor;
 113                 text_.setCursor(sstate.selection.end.par(), sstate.selection.end.pos(),
 114                         true, sstate.selection.end.boundary());
 115                 text_.setSelection();
 116                 text_.setCursor(sstate.cursor.par(), sstate.cursor.pos());
 117         } else {
 118                 text_.setCursor(sstate.cursor.par(), sstate.cursor.pos(),
 119                         true, sstate.cursor.boundary());
 120                 text_.selection.cursor = text_.cursor;
 121                 text_.selection.set(false);
 122         }
 123 }
 124
 125
 126 InsetText::InsetText(BufferParams const & bp)
 127         : UpdatableInset(), text_(0, this)
 128 {
 129         paragraphs.push_back(Paragraph());
 130         paragraphs.begin()->layout(bp.getLyXTextClass().defaultLayout());
 131         if (bp.tracking_changes)
 132                 paragraphs.begin()->trackChanges();
 133         init(0);
 134 }
 135
 136
 137 InsetText::InsetText(InsetText const & in)
 138         : UpdatableInset(in), text_(0, this)
 139 {
 140         init(&in);
 141 }
 142
 143
 144 InsetText & InsetText::operator=(InsetText const & it)
 145 {
 146         init(&it);
 147         return *this;
 148 }
 149
 150
 151 void InsetText::init(InsetText const * ins)
 152 {
 153         if (ins) {
 154                 textwidth_ = ins->textwidth_;
 155                 text_.bv_owner = ins->text_.bv_owner;
 156                 setParagraphData(ins->paragraphs);
 157                 autoBreakRows = ins->autoBreakRows;
 158                 drawFrame_ = ins->drawFrame_;
 159                 frame_color = ins->frame_color;
 160         } else {
 161                 textwidth_ = 0; // unbounded
 162                 drawFrame_ = NEVER;
 163                 frame_color = LColor::insetframe;
 164                 autoBreakRows = false;
 165         }
 166         the_locking_inset = 0;
 167         for_each(paragraphs.begin(), paragraphs.end(),
 168                  boost::bind(&Paragraph::setInsetOwner, _1, this));
 169         top_y = 0;
 170         no_selection = true;
 171         need_update = FULL;
 172         drawTextXOffset = 0;
 173         drawTextYOffset = 0;
 174         locked = false;
 175         old_par = paragraphs.end();
 176         last_drawn_width = -1;
 177         sstate.cursor.par(paragraphs.end());
 178         in_insetAllowed = false;
 179 }
 180
 181
 182 void InsetText::clear(bool just_mark_erased)
 183 {
 184         if (just_mark_erased) {
 185                 ParagraphList::iterator it = paragraphs.begin();
 186                 ParagraphList::iterator end = paragraphs.end();
 187                 for (; it != end; ++it) {
 188                         it->markErased();
 189                 }
 190                 need_update = FULL;
 191                 return;
 192         }
 193
 194         // This is a gross hack...
 195         LyXLayout_ptr old_layout = paragraphs.begin()->layout();
 196
 197         paragraphs.clear();
 198         paragraphs.push_back(Paragraph());
 199         paragraphs.begin()->setInsetOwner(this);
 200         paragraphs.begin()->layout(old_layout);
 201
 202         reinitLyXText();
 203         need_update = INIT;
 204 }
 205
 206
 207 InsetBase * InsetText::clone() const
 208 {
 209         return new InsetText(*this);
 210 }
 211
 212
 213 void InsetText::write(Buffer const * buf, ostream & os) const
 214 {
 215         os << "Text\n";
 216         writeParagraphData(buf, os);
 217 }
 218
 219
 220 void InsetText::writeParagraphData(Buffer const * buf, ostream & os) const
 221 {
 222         ParagraphList::const_iterator it = paragraphs.begin();
 223         ParagraphList::const_iterator end = paragraphs.end();
 224         Paragraph::depth_type dth = 0;
 225         for (; it != end; ++it) {
 226                 it->write(buf, os, buf->params, dth);
 227         }
 228 }
 229
 230
 231 void InsetText::read(Buffer const * buf, LyXLex & lex)
 232 {
 233         string token;
 234         Paragraph::depth_type depth = 0;
 235
 236         clear(false);
 237
 238         if (buf->params.tracking_changes)
 239                 paragraphs.begin()->trackChanges();
 240
 241         // delete the initial paragraph
 242         paragraphs.clear();
 243         ParagraphList::iterator pit = paragraphs.begin();
 244
 245         while (lex.isOK()) {
 246                 lex.nextToken();
 247                 token = lex.getString();
 248                 if (token.empty())
 249                         continue;
 250                 if (token == "\\end_inset") {
 251                         break;
 252                 }
 253
 254                 if (token == "\\the_end") {
 255                         lex.printError("\\the_end read in inset! Error in document!");
 256                         return;
 257                 }
 258
 259                 // FIXME: ugly.
 260                 const_cast<Buffer*>(buf)->readParagraph(lex, token, paragraphs, pit, depth);
 261         }
 262
 263         pit = paragraphs.begin();
 264         ParagraphList::iterator const end = paragraphs.end();
 265         for (; pit != end; ++pit)
 266                 pit->setInsetOwner(this);
 267
 268         if (token != "\\end_inset") {
 269                 lex.printError("Missing \\end_inset at this point. "
 270                                            "Read: `$$Token'");
 271         }
 272         need_update = FULL;
 273 }
 274
 275
 276 void InsetText::metrics(MetricsInfo & mi, Dimension & dim) const
 277 {
 278         //lyxerr << "InsetText::metrics: width: " << mi.base.textwidth << "\n";
 279         if (mi.base.textwidth)
 280                 textwidth_ = mi.base.textwidth;
 281         BufferView * bv = mi.base.bv;
 282         setViewCache(bv);
 283         text_.metrics(mi, dim);
 284         dim.asc += TEXT_TO_INSET_OFFSET;
 285         dim.des += TEXT_TO_INSET_OFFSET;
 286         dim.wid += 2 * TEXT_TO_INSET_OFFSET;
 287         dim.wid = max(dim.wid, 10);
 288         dim_ = dim;
 289 }
 290
 291
 292 int InsetText::textWidth() const
 293 {
 294         return textwidth_;
 295 }
 296
 297
 298 void InsetText::draw(PainterInfo & pi, int x, int baseline) const
 299 {
 300         if (nodraw())
 301                 return;
 302
 303         // update our idea of where we are. Clearly, we should
 304         // not have to know this information.
 305         top_x = x;
 306
 307         int const start_x = x;
 308
 309         BufferView * bv = pi.base.bv;
 310         Painter & pain = pi.pain;
 311
 312         // repaint the background if needed
 313         if (backgroundColor() != LColor::background)
 314                 clearInset(bv, start_x + TEXT_TO_INSET_OFFSET, baseline);
 315
 316         // no draw is necessary !!!
 317         if (drawFrame_ == LOCKED && !locked && paragraphs.begin()->empty()) {
 318                 top_baseline = baseline;
 319                 need_update = NONE;
 320                 return;
 321         }
 322
 323         if (!owner())
 324                 x += scroll();
 325
 326         top_baseline = baseline;
 327         top_y = baseline - dim_.asc;
 328
 329         if (last_drawn_width != dim_.wid) {
 330                 need_update |= FULL;
 331                 last_drawn_width = dim_.wid;
 332         }
 333
 334         if (the_locking_inset && cpar() == inset_par && cpos() == inset_pos) {
 335                 inset_x = cix(bv) - x + drawTextXOffset;
 336                 inset_y = ciy() + drawTextYOffset;
 337         }
 338
 339         x += TEXT_TO_INSET_OFFSET;
 340
 341         RowList::iterator rowit = text_.rows().begin();
 342         RowList::iterator end = text_.rows().end();
 343
 344         int y_offset = baseline - rowit->ascent_of_text();
 345         int ph = pain.paperHeight();
 346         int first = 0;
 347         int y = y_offset;
 348         while (rowit != end && y + rowit->height() <= 0) {
 349                 y += rowit->height();
 350                 first += rowit->height();
 351                 ++rowit;
 352         }
 353         if (y_offset < 0) {
 354                 text_.top_y(-y_offset);
 355                 first = y;
 356                 y_offset = 0;
 357         } else {
 358                 text_.top_y(first);
 359                 first = 0;
 360         }
 361
 362         int yf = y_offset + first;
 363         y = 0;
 364
 365         bv->hideCursor();
 366
 367         while (rowit != end && yf < ph) {
 368                 paintRows(*bv, text_, rowit,
 369                         y + y_offset + first, int(x), y + text_.top_y());
 370                 y += rowit->height();
 371                 yf += rowit->height();
 372                 ++rowit;
 373         }
 374
 375         text_.clearPaint();
 376
 377         if (drawFrame_ == ALWAYS || (drawFrame_ == LOCKED && locked)) {
 378                 drawFrame(pain, int(start_x));
 379         }
 380
 381         if (need_update != INIT) {
 382                 need_update = NONE;
 383         }
 384 }
 385
 386
 387 void InsetText::drawFrame(Painter & pain, int x) const
 388 {
 389         static int const ttoD2 = TEXT_TO_INSET_OFFSET / 2;
 390         frame_x = x + ttoD2;
 391         frame_y = top_baseline - dim_.asc + ttoD2;
 392         frame_w = dim_.wid - TEXT_TO_INSET_OFFSET;
 393         frame_h = dim_.asc + dim_.des - TEXT_TO_INSET_OFFSET;
 394         pain.rectangle(frame_x, frame_y, frame_w, frame_h,
 395                        frame_color);
 396 }
 397
 398
 399 void InsetText::setUpdateStatus(int what) const
 400 {
 401         need_update |= what;
 402         // we will to redraw us full if our LyXText wants it
 403         if (text_.needRefresh())
 404                 need_update |= FULL;
 405
 406         // this to not draw a selection when we redraw all of it!
 407         if (need_update & CURSOR && !(need_update & SELECTION)) {
 408                 if (text_.selection.set())
 409                         need_update = FULL;
 410                 text_.clearSelection();
 411         }
 412 }
 413
 414
 415 void InsetText::updateLocal(BufferView * bv, int what, bool mark_dirty)
 416 {
 417         if (!bv)
 418                 return;
 419
 420         if (!autoBreakRows && paragraphs.size() > 1)
 421                 collapseParagraphs(bv);
 422
 423         text_.partialRebreak();
 424         setUpdateStatus(what);
 425         bool flag = mark_dirty ||
 426                 ((need_update != CURSOR && need_update != NONE) ||
 427                  text_.needRefresh() || text_.selection.set());
 428         if (!text_.selection.set())
 429                 text_.selection.cursor = text_.cursor;
 430
 431         bv->fitCursor();
 432
 433         if (flag) {
 434                 text_.postPaint();
 435                 bv->updateInset(const_cast<InsetText *>(this));
 436         }
 437
 438         if (need_update == CURSOR)
 439                 need_update = NONE;
 440         bv->owner()->view_state_changed();
 441         bv->owner()->updateMenubar();
 442         bv->owner()->updateToolbar();
 443         if (old_par != cpar()) {
 444                 bv->owner()->setLayout(cpar()->layout()->name());
 445                 old_par = cpar();
 446         }
 447 }
 448
 449
 450 string const InsetText::editMessage() const
 451 {
 452         return _("Opened Text Inset");
 453 }
 454
 455
 456 void InsetText::insetUnlock(BufferView * bv)
 457 {
 458         if (the_locking_inset) {
 459                 the_locking_inset->insetUnlock(bv);
 460                 the_locking_inset = 0;
 461                 updateLocal(bv, CURSOR_PAR, false);
 462         }
 463         no_selection = true;
 464         locked = false;
 465         int code = NONE;
 466
 467         if (text_.selection.set()) {
 468                 text_.clearSelection();
 469                 code = FULL;
 470         } else if (owner()) {
 471                 bv->owner()->setLayout(owner()->getLyXText(bv)
 472                                        ->cursor.par()->layout()->name());
 473         } else
 474                 bv->owner()->setLayout(bv->text->cursor.par()->layout()->name());
 475         // hack for deleteEmptyParMech
 476         ParagraphList::iterator first_par = paragraphs.begin();
 477         if (!first_par->empty()) {
 478                 text_.setCursor(first_par, 0);
 479         } else if (paragraphs.size() > 1) {
 480                 text_.setCursor(boost::next(first_par), 0);
 481         }
 482 #if 0
 483         updateLocal(bv, code, false);
 484 #else
 485         if (code != NONE)
 486                 setUpdateStatus(code);
 487 #endif
 488 }
 489
 490
 491 void InsetText::lockInset(BufferView * bv)
 492 {
 493         locked = true;
 494         the_locking_inset = 0;
 495         inset_pos = inset_x = inset_y = 0;
 496         inset_boundary = false;
 497         inset_par = paragraphs.end();
 498         old_par = paragraphs.end();
 499         text_.setCursorIntern(paragraphs.begin(), 0);
 500         text_.clearSelection();
 501         finishUndo();
 502         // If the inset is empty set the language of the current font to the
 503         // language to the surronding text (if different).
 504         if (paragraphs.begin()->empty() && paragraphs.size() == 1 &&
 505                 bv->getParentLanguage(this) != text_.current_font.language()) {
 506                 LyXFont font(LyXFont::ALL_IGNORE);
 507                 font.setLanguage(bv->getParentLanguage(this));
 508                 setFont(bv, font, false);
 509         }
 510         int code = CURSOR;
 511         if (drawFrame_ == LOCKED)
 512                 code = CURSOR|DRAW_FRAME;
 513         setUpdateStatus(code);
 514 }
 515
 516
 517 void InsetText::lockInset(BufferView * bv, UpdatableInset * inset)
 518 {
 519         the_locking_inset = inset;
 520         inset_x = cix(bv) - top_x + drawTextXOffset;
 521         inset_y = ciy() + drawTextYOffset;
 522         inset_pos = cpos();
 523         inset_par = cpar();
 524         inset_boundary = cboundary();
 525         //updateLocal(bv, CURSOR, false);
 526 }
 527
 528
 529 bool InsetText::lockInsetInInset(BufferView * bv, UpdatableInset * inset)
 530 {
 531         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 532                               << inset << "): ";
 533         if (!inset)
 534                 return false;
 535         if (!the_locking_inset) {
 536                 ParagraphList::iterator pit = paragraphs.begin();
 537                 ParagraphList::iterator pend = paragraphs.end();
 538
 539                 int const id = inset->id();
 540                 for (; pit != pend; ++pit) {
 541                         InsetList::iterator it = pit->insetlist.begin();
 542                         InsetList::iterator const end = pit->insetlist.end();
 543                         for (; it != end; ++it) {
 544                                 if (it->inset == inset) {
 545                                         lyxerr << "InsetText::lockInsetInInset: 1 a\n";
 546                                         text_.setCursorIntern(pit, it->pos);
 547                                         lyxerr << "InsetText::lockInsetInInset: 1 b\n";
 548                                         lyxerr << "bv: " << bv << " inset: " << inset << "\n";
 549                                         lockInset(bv, inset);
 550                                         lyxerr << "InsetText::lockInsetInInset: 1 c" << endl;
 551                                         return true;
 552                                 }
 553                                 if (it->inset->getInsetFromID(id)) {
 554                                         lyxerr << "InsetText::lockInsetInInset: 2\n";
 555                                         text_.setCursorIntern(pit, it->pos);
 556                                         it->inset->localDispatch(FuncRequest(bv, LFUN_INSET_EDIT));
 557                                         return the_locking_inset->lockInsetInInset(bv, inset);
 558                                 }
 559                         }
 560                 }
 561                 lyxerr << "InsetText::lockInsetInInset: 3\n";
 562                 return false;
 563         }
 564         if (inset == cpar()->getInset(cpos())) {
 565                 lyxerr[Debug::INSETS] << "OK" << endl;
 566                 lockInset(bv, inset);
 567                 return true;
 568         }
 569
 570         if (the_locking_inset && the_locking_inset == inset) {
 571                 if (cpar() == inset_par && cpos() == inset_pos) {
 572                         lyxerr[Debug::INSETS] << "OK" << endl;
 573                         inset_x = cix(bv) - top_x + drawTextXOffset;
 574                         inset_y = ciy() + drawTextYOffset;
 575                 } else {
 576                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 577                 }
 578         } else if (the_locking_inset) {
 579                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 580                 return the_locking_inset->lockInsetInInset(bv, inset);
 581         }
 582         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 583         return false;
 584 }
 585
 586
 587 bool InsetText::unlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 588                                    bool lr)
 589 {
 590         if (!the_locking_inset)
 591                 return false;
 592         if (the_locking_inset == inset) {
 593                 the_locking_inset->insetUnlock(bv);
 594                 getLyXText(bv)->updateInset(inset);
 595                 the_locking_inset = 0;
 596                 if (lr)
 597                         moveRightIntern(bv, true, false);
 598                 old_par = paragraphs.end(); // force layout setting
 599                 if (scroll())
 600                         scroll(bv, 0.0F);
 601                 else
 602                         updateLocal(bv, CURSOR, false);
 603                 return true;
 604         }
 605         return the_locking_inset->unlockInsetInInset(bv, inset, lr);
 606 }
 607
 608
 609 bool InsetText::updateInsetInInset(BufferView * bv, Inset * inset)
 610 {
 611         if (!autoBreakRows && paragraphs.size() > 1)
 612                 collapseParagraphs(bv);
 613
 614         if (inset == this)
 615                 return true;
 616
 617         if (inset->owner() != this) {
 618                 int ustat = CURSOR_PAR;
 619                 bool found = false;
 620                 UpdatableInset * tl_inset = the_locking_inset;
 621                 if (tl_inset)
 622                         found = tl_inset->updateInsetInInset(bv, inset);
 623                 if (!found) {
 624                         tl_inset = static_cast<UpdatableInset *>(inset);
 625                         while(tl_inset->owner() && tl_inset->owner() != this)
 626                                 tl_inset = static_cast<UpdatableInset *>(tl_inset->owner());
 627                         if (!tl_inset->owner())
 628                                 return false;
 629                         found = tl_inset->updateInsetInInset(bv, inset);
 630                         ustat = FULL;
 631                 }
 632                 if (found)
 633                         text_.updateInset(tl_inset);
 634                 if (found)
 635                         setUpdateStatus(ustat);
 636                 return found;
 637         }
 638         bool found = text_.updateInset(inset);
 639         if (found) {
 640                 setUpdateStatus(CURSOR_PAR);
 641                 if (the_locking_inset &&
 642                     cpar() == inset_par && cpos() == inset_pos)
 643                 {
 644                         inset_x = cix(bv) - top_x + drawTextXOffset;
 645                         inset_y = ciy() + drawTextYOffset;
 646                 }
 647         }
 648         return found;
 649 }
 650
 651
 652 void InsetText::lfunMousePress(FuncRequest const & cmd)
 653 {
 654         no_selection = true;
 655
 656         // use this to check mouse motion for selection!
 657         mouse_x = cmd.x;
 658         mouse_y = cmd.y;
 659
 660         BufferView * bv = cmd.view();
 661         FuncRequest cmd1 = cmd;
 662         cmd1.x -= inset_x;
 663         cmd1.y -= inset_y;
 664         if (!locked)
 665                 lockInset(bv);
 666
 667         int tmp_x = cmd.x - drawTextXOffset;
 668         int tmp_y = cmd.y + dim_.asc - getLyXText(bv)->top_y();
 669         Inset * inset = getLyXText(bv)->checkInsetHit(tmp_x, tmp_y);
 670
 671         if (the_locking_inset) {
 672                 if (the_locking_inset == inset) {
 673                         the_locking_inset->localDispatch(cmd1);
 674                         return;
 675                 }
 676                 // otherwise only unlock the_locking_inset
 677                 the_locking_inset->insetUnlock(bv);
 678                 the_locking_inset = 0;
 679         }
 680         if (!inset)
 681                 no_selection = false;
 682
 683         if (bv->theLockingInset()) {
 684                 if (isHighlyEditableInset(inset)) {
 685                         // We just have to lock the inset before calling a
 686                         // PressEvent on it!
 687                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 688                         if (!bv->lockInset(uinset)) {
 689                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 690                         }
 691                         inset->localDispatch(cmd1);
 692                         if (the_locking_inset)
 693                                 updateLocal(bv, CURSOR, false);
 694                         return;
 695                 }
 696         }
 697         if (!inset) {
 698                 bool paste_internally = false;
 699                 if (cmd.button() == mouse_button::button2 && getLyXText(bv)->selection.set()) {
 700                         localDispatch(FuncRequest(bv, LFUN_COPY));
 701                         paste_internally = true;
 702                 }
 703                 int old_top_y = text_.top_y();
 704
 705                 text_.setCursorFromCoordinates(cmd.x - drawTextXOffset,
 706                                              cmd.y + dim_.asc);
 707                 // set the selection cursor!
 708                 text_.selection.cursor = text_.cursor;
 709                 text_.cursor.x_fix(text_.cursor.x());
 710
 711                 if (text_.selection.set()) {
 712                         text_.clearSelection();
 713                         updateLocal(bv, FULL, false);
 714                 } else {
 715                         text_.clearSelection();
 716                         updateLocal(bv, CURSOR, false);
 717                 }
 718
 719                 bv->owner()->setLayout(cpar()->layout()->name());
 720
 721                 // we moved the view we cannot do mouse selection in this case!
 722                 if (getLyXText(bv)->top_y() != old_top_y)
 723                         no_selection = true;
 724                 old_par = cpar();
 725                 // Insert primary selection with middle mouse
 726                 // if there is a local selection in the current buffer,
 727                 // insert this
 728                 if (cmd.button() == mouse_button::button2) {
 729                         if (paste_internally)
 730                                 localDispatch(FuncRequest(bv, LFUN_PASTE));
 731                         else
 732                                 localDispatch(FuncRequest(bv, LFUN_PASTESELECTION, "paragraph"));
 733                 }
 734         } else {
 735                 getLyXText(bv)->clearSelection();
 736         }
 737 }
 738
 739
 740 bool InsetText::lfunMouseRelease(FuncRequest const & cmd)
 741 {
 742         BufferView * bv = cmd.view();
 743         FuncRequest cmd1 = cmd;
 744         cmd1.x -= inset_x;
 745         cmd1.y -= inset_y;
 746
 747         no_selection = true;
 748         if (the_locking_inset)
 749                 return the_locking_inset->localDispatch(cmd1);
 750
 751         int tmp_x = cmd.x - drawTextXOffset;
 752         int tmp_y = cmd.y + dim_.asc - getLyXText(bv)->top_y();
 753         Inset * inset = getLyXText(bv)->checkInsetHit(tmp_x, tmp_y);
 754         bool ret = false;
 755         if (inset) {
 756 // This code should probably be removed now. Simple insets
 757 // (!highlyEditable) can actually take the localDispatch,
 758 // and turn it into edit() if necessary. But we still
 759 // need to deal properly with the whole relative vs.
 760 // absolute mouse co-ords thing in a realiable, sensible way
 761 #if 0
 762                 if (isHighlyEditableInset(inset))
 763                         ret = inset->localDispatch(cmd1);
 764                 else {
 765                         inset_x = cix(bv) - top_x + drawTextXOffset;
 766                         inset_y = ciy() + drawTextYOffset;
 767                         cmd1.x = cmd.x - inset_x;
 768                         cmd1.y = cmd.x - inset_y;
 769                         inset->edit(bv, cmd1.x, cmd1.y, cmd.button());
 770                         ret = true;
 771                 }
 772 #endif
 773                 ret = inset->localDispatch(cmd1);
 774                 updateLocal(bv, CURSOR_PAR, false);
 775
 776         }
 777         return ret;
 778 }
 779
 780
 781 void InsetText::lfunMouseMotion(FuncRequest const & cmd)
 782 {
 783         FuncRequest cmd1 = cmd;
 784         cmd1.x -= inset_x;
 785         cmd1.y -= inset_y;
 786
 787         if (the_locking_inset) {
 788                 the_locking_inset->localDispatch(cmd1);
 789                 return;
 790         }
 791
 792         if (no_selection || (mouse_x == cmd.x && mouse_y == cmd.y))
 793                 return;
 794
 795         BufferView * bv = cmd.view();
 796         LyXCursor cur = text_.cursor;
 797         text_.setCursorFromCoordinates
 798                 (cmd.x - drawTextXOffset, cmd.y + dim_.asc);
 799         text_.cursor.x_fix(text_.cursor.x());
 800         if (cur == text_.cursor)
 801                 return;
 802         text_.setSelection();
 803         bool flag = (text_.toggle_cursor.par() != text_.toggle_end_cursor.par() ||
 804                                  text_.toggle_cursor.pos() != text_.toggle_end_cursor.pos());
 805         if (flag) {
 806                 updateLocal(bv, SELECTION, false);
 807         }
 808 }
 809
 810
 811 Inset::RESULT InsetText::localDispatch(FuncRequest const & cmd)
 812 {
 813         BufferView * bv = cmd.view();
 814         setViewCache(bv);
 815
 816         switch (cmd.action) {
 817         case LFUN_INSET_EDIT: {
 818                 UpdatableInset::localDispatch(cmd);
 819
 820                 if (!bv->lockInset(this)) {
 821                         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 822                         return DISPATCHED;
 823                 }
 824
 825                 locked = true;
 826                 the_locking_inset = 0;
 827                 inset_pos = inset_x = inset_y = 0;
 828                 inset_boundary = false;
 829                 inset_par = paragraphs.end();
 830                 old_par = paragraphs.end();
 831
 832
 833                 if (cmd.argument.size()) {
 834                         if (cmd.argument == "left")
 835                                 text_.setCursorIntern(paragraphs.begin(), 0);
 836                         else {
 837                                 ParagraphList::iterator it = paragraphs.begin();
 838                                 ParagraphList::iterator end = paragraphs.end();
 839                                 while (boost::next(it) != end)
 840                                         ++it;
 841                 //              int const pos = (p->size() ? p->size()-1 : p->size());
 842                                 text_.setCursor(it, it->size());
 843                         }
 844                 } else {
 845                         int tmp_y = (cmd.y < 0) ? 0 : cmd.y;
 846                         // we put here -1 and not button as now the button in the
 847                         // edit call should not be needed we will fix this in 1.3.x
 848                         // cycle hopefully (Jug 20020509)
 849                         // FIXME: GUII I've changed this to none: probably WRONG
 850                         if (!checkAndActivateInset(bv, cmd.x, tmp_y, mouse_button::none)) {
 851                                 text_.setCursorFromCoordinates(cmd.x - drawTextXOffset,
 852                                                                         cmd.y + dim_.asc);
 853                                 text_.cursor.x_fix(text_.cursor.x());
 854                         }
 855                 }
 856
 857                 text_.clearSelection();
 858                 finishUndo();
 859
 860                 // If the inset is empty set the language of the current font to the
 861                 // language to the surronding text (if different).
 862                 if (paragraphs.begin()->empty() &&
 863                     paragraphs.size() == 1 &&
 864                     bv->getParentLanguage(this) != text_.current_font.language())
 865                 {
 866                         LyXFont font(LyXFont::ALL_IGNORE);
 867                         font.setLanguage(bv->getParentLanguage(this));
 868                         setFont(bv, font, false);
 869                 }
 870
 871                 int code = CURSOR;
 872                 if (drawFrame_ == LOCKED)
 873                         code = CURSOR | DRAW_FRAME;
 874
 875                 updateLocal(bv, code, false);
 876                 // Tell the paragraph dialog that we've entered an insettext.
 877                 bv->dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
 878                 return DISPATCHED;
 879         }
 880
 881         case LFUN_MOUSE_PRESS:
 882                 lfunMousePress(cmd);
 883                 return DISPATCHED;
 884
 885         case LFUN_MOUSE_MOTION:
 886                 lfunMouseMotion(cmd);
 887                 return DISPATCHED;
 888
 889         case LFUN_MOUSE_RELEASE:
 890                 return lfunMouseRelease(cmd) ? DISPATCHED : UNDISPATCHED;
 891
 892         default:
 893                 break;
 894         }
 895
 896         bool was_empty = (paragraphs.begin()->empty() &&
 897                           paragraphs.size() == 1);
 898
 899         no_selection = false;
 900         RESULT result = UpdatableInset::localDispatch(cmd);
 901         if (result != UNDISPATCHED)
 902                 return DISPATCHED;
 903
 904         result = DISPATCHED;
 905         if (cmd.action < 0 && cmd.argument.empty())
 906                 return FINISHED;
 907
 908         if (the_locking_inset) {
 909                 result = the_locking_inset->localDispatch(cmd);
 910                 if (result == DISPATCHED_NOUPDATE)
 911                         return result;
 912                 else if (result == DISPATCHED) {
 913                         updateLocal(bv, CURSOR_PAR, false);
 914                         return result;
 915                 } else if (result >= FINISHED) {
 916                         switch (result) {
 917                         case FINISHED_RIGHT:
 918                                 moveRightIntern(bv, false, false);
 919                                 result = DISPATCHED;
 920                                 break;
 921                         case FINISHED_UP:
 922                                 if ((result = moveUp(bv)) >= FINISHED) {
 923                                         updateLocal(bv, CURSOR, false);
 924                                         bv->unlockInset(this);
 925                                 }
 926                                 break;
 927                         case FINISHED_DOWN:
 928                                 if ((result = moveDown(bv)) >= FINISHED) {
 929                                         updateLocal(bv, CURSOR, false);
 930                                         bv->unlockInset(this);
 931                                 }
 932                                 break;
 933                         default:
 934                                 result = DISPATCHED;
 935                                 break;
 936                         }
 937                         the_locking_inset = 0;
 938                         updateLocal(bv, CURSOR, false);
 939                         // make sure status gets reset immediately
 940                         bv->owner()->clearMessage();
 941                         return result;
 942                 }
 943         }
 944         int updwhat = 0;
 945         int updflag = false;
 946
 947         // what type of update to do on a cursor movement
 948         int cursor_update = CURSOR;
 949
 950         if (text_.selection.set())
 951                 cursor_update = SELECTION;
 952
 953         switch (cmd.action) {
 954
 955         // Normal chars
 956         case LFUN_SELFINSERT:
 957                 if (bv->buffer()->isReadonly()) {
 958 //          setErrorMessage(N_("Document is read only"));
 959                         break;
 960                 }
 961                 if (!cmd.argument.empty()) {
 962                         /* Automatically delete the currently selected
 963                          * text and replace it with what is being
 964                          * typed in now. Depends on lyxrc settings
 965                          * "auto_region_delete", which defaults to
 966                          * true (on). */
 967 #if 0
 968                         // This should not be needed here and is also WRONG!
 969                         setUndo(bv, Undo::INSERT, text_.cursor.par());
 970 #endif
 971                         bv->switchKeyMap();
 972                         if (lyxrc.auto_region_delete) {
 973                                 if (text_.selection.set()) {
 974                                         text_.cutSelection(false, false);
 975                                 }
 976                         }
 977                         text_.clearSelection();
 978                         for (string::size_type i = 0; i < cmd.argument.length(); ++i) {
 979                                 bv->owner()->getIntl().getTransManager().
 980                                         TranslateAndInsert(cmd.argument[i], &text_);
 981                         }
 982                 }
 983                 text_.selection.cursor = text_.cursor;
 984                 updwhat = CURSOR | CURSOR_PAR;
 985                 updflag = true;
 986                 result = DISPATCHED_NOUPDATE;
 987                 break;
 988
 989         // cursor movements that need special handling
 990
 991         case LFUN_RIGHT:
 992                 result = moveRight(bv);
 993                 finishUndo();
 994                 updwhat = cursor_update;
 995                 break;
 996         case LFUN_LEFT:
 997                 finishUndo();
 998                 result = moveLeft(bv);
 999                 updwhat = cursor_update;
1000                 break;
1001         case LFUN_DOWN:
1002                 finishUndo();
1003                 result = moveDown(bv);
1004                 updwhat = cursor_update;
1005                 break;
1006         case LFUN_UP:
1007                 finishUndo();
1008                 result = moveUp(bv);
1009                 updwhat = cursor_update;
1010                 break;
1011
1012         case LFUN_PRIOR:
1013                 if (crow() == text_.rows().begin())
1014                         result = FINISHED_UP;
1015                 else {
1016                         text_.cursorPrevious();
1017                         text_.clearSelection();
1018                         result = DISPATCHED_NOUPDATE;
1019                 }
1020                 updwhat = cursor_update;
1021                 break;
1022
1023         case LFUN_NEXT:
1024                 if (boost::next(crow()) == text_.rows().end())
1025                         result = FINISHED_DOWN;
1026                 else {
1027                         text_.cursorNext();
1028                         text_.clearSelection();
1029                         result = DISPATCHED_NOUPDATE;
1030                 }
1031                 updwhat = cursor_update;
1032                 break;
1033
1034         case LFUN_BACKSPACE: {
1035                 if (text_.selection.set())
1036                         text_.cutSelection(true, false);
1037                 else
1038                         text_.backspace();
1039                 updwhat = CURSOR_PAR;
1040                 updflag = true;
1041                 break;
1042         }
1043
1044         case LFUN_DELETE: {
1045                 if (text_.selection.set()) {
1046                         text_.cutSelection(true, false);
1047                 } else {
1048                         text_.Delete();
1049                 }
1050                 updwhat = CURSOR_PAR;
1051                 updflag = true;
1052                 break;
1053         }
1054
1055         case LFUN_CUT: {
1056                 text_.cutSelection(true, true);
1057                 updwhat = CURSOR_PAR;
1058                 updflag = true;
1059                 break;
1060         }
1061
1062         case LFUN_COPY:
1063                 finishUndo();
1064                 text_.copySelection();
1065                 updwhat = CURSOR_PAR;
1066                 break;
1067
1068         case LFUN_PASTESELECTION:
1069         {
1070                 string const clip(bv->getClipboard());
1071
1072                 if (clip.empty())
1073                         break;
1074                 if (cmd.argument == "paragraph") {
1075                         text_.insertStringAsParagraphs(clip);
1076                 } else {
1077                         text_.insertStringAsLines(clip);
1078                 }
1079                 // bug 393
1080                 text_.clearSelection();
1081
1082                 updwhat = CURSOR_PAR;
1083                 updflag = true;
1084                 break;
1085         }
1086
1087         case LFUN_PASTE: {
1088                 if (!autoBreakRows) {
1089                         if (CutAndPaste::nrOfParagraphs() > 1) {
1090 #ifdef WITH_WARNINGS
1091 #warning FIXME horrendously bad UI
1092 #endif
1093                                 Alert::error(_("Paste failed"), _("Cannot include more than one paragraph."));
1094                                 break;
1095                         }
1096                 }
1097
1098                 replaceSelection(bv->getLyXText());
1099                 size_t sel_index = 0;
1100                 string const & arg = cmd.argument;
1101                 if (isStrUnsignedInt(arg)) {
1102                         size_t const paste_arg = strToUnsignedInt(arg);
1103 #warning FIXME Check if the arg is in the domain of available selections.
1104                         sel_index = paste_arg;
1105                 }
1106                 text_.pasteSelection(sel_index);
1107                 // bug 393
1108                 text_.clearSelection();
1109                 updwhat = CURSOR_PAR;
1110                 updflag = true;
1111                 break;
1112         }
1113
1114         case LFUN_BREAKPARAGRAPH:
1115                 if (!autoBreakRows) {
1116                         result = DISPATCHED;
1117                         break;
1118                 }
1119                 replaceSelection(bv->getLyXText());
1120                 text_.breakParagraph(paragraphs, 0);
1121                 updwhat = CURSOR | FULL;
1122                 updflag = true;
1123                 break;
1124
1125         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1126                 if (!autoBreakRows) {
1127                         result = DISPATCHED;
1128                         break;
1129                 }
1130                 replaceSelection(bv->getLyXText());
1131                 text_.breakParagraph(paragraphs, 1);
1132                 updwhat = CURSOR | FULL;
1133                 updflag = true;
1134                 break;
1135
1136         case LFUN_BREAKLINE: {
1137                 if (!autoBreakRows) {
1138                         result = DISPATCHED;
1139                         break;
1140                 }
1141
1142                 replaceSelection(bv->getLyXText());
1143                 text_.insertInset(new InsetNewline);
1144                 updwhat = CURSOR | CURSOR_PAR;
1145                 updflag = true;
1146                 break;
1147         }
1148
1149         case LFUN_LAYOUT:
1150                 // do not set layouts on non breakable textinsets
1151                 if (autoBreakRows) {
1152                         string cur_layout = cpar()->layout()->name();
1153
1154                         // Derive layout number from given argument (string)
1155                         // and current buffer's textclass (number). */
1156                         LyXTextClass const & tclass =
1157                                 bv->buffer()->params.getLyXTextClass();
1158                         string layout = cmd.argument;
1159                         bool hasLayout = tclass.hasLayout(layout);
1160
1161                         // If the entry is obsolete, use the new one instead.
1162                         if (hasLayout) {
1163                                 string const & obs =
1164                                         tclass[layout]->obsoleted_by();
1165                                 if (!obs.empty())
1166                                         layout = obs;
1167                         }
1168
1169                         // see if we found the layout number:
1170                         if (!hasLayout) {
1171                                 FuncRequest lf(LFUN_MESSAGE, N_("Layout ") + cmd.argument + N_(" not known"));
1172                                 bv->owner()->dispatch(lf);
1173                                 break;
1174                         }
1175
1176                         if (cur_layout != layout) {
1177                                 cur_layout = layout;
1178                                 text_.setLayout(layout);
1179                                 bv->owner()->setLayout(cpar()->layout()->name());
1180                                 updwhat = CURSOR_PAR;
1181                                 updflag = true;
1182                         }
1183                 } else {
1184                         // reset the layout box
1185                         bv->owner()->setLayout(cpar()->layout()->name());
1186                 }
1187                 break;
1188         case LFUN_PARAGRAPH_SPACING:
1189                 // This one is absolutely not working. When fiddling with this
1190                 // it also seems to me that the paragraphs inside the insettext
1191                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1192                 // FIXME: how old is this comment ? ...
1193         {
1194                 ParagraphList::iterator pit = text_.cursor.par();
1195                 Spacing::Space cur_spacing = pit->params().spacing().getSpace();
1196                 float cur_value = 1.0;
1197                 if (cur_spacing == Spacing::Other) {
1198                         cur_value = pit->params().spacing().getValue();
1199                 }
1200
1201                 istringstream istr(STRCONV(cmd.argument));
1202                 string tmp;
1203                 istr >> tmp;
1204                 Spacing::Space new_spacing = cur_spacing;
1205                 float new_value = cur_value;
1206                 if (tmp.empty()) {
1207                         lyxerr << "Missing argument to `paragraph-spacing'"
1208                                    << endl;
1209                 } else if (tmp == "single") {
1210                         new_spacing = Spacing::Single;
1211                 } else if (tmp == "onehalf") {
1212                         new_spacing = Spacing::Onehalf;
1213                 } else if (tmp == "double") {
1214                         new_spacing = Spacing::Double;
1215                 } else if (tmp == "other") {
1216                         new_spacing = Spacing::Other;
1217                         float tmpval = 0.0;
1218                         istr >> tmpval;
1219                         lyxerr << "new_value = " << tmpval << endl;
1220                         if (tmpval != 0.0)
1221                                 new_value = tmpval;
1222                 } else if (tmp == "default") {
1223                         new_spacing = Spacing::Default;
1224                 } else {
1225                         lyxerr << _("Unknown spacing argument: ")
1226                                    << cmd.argument << endl;
1227                 }
1228                 if (cur_spacing != new_spacing || cur_value != new_value) {
1229                         pit->params().spacing(Spacing(new_spacing, new_value));
1230                         updwhat = CURSOR_PAR;
1231                         updflag = true;
1232                 }
1233         }
1234         break;
1235
1236         // These need to do repaints but don't require
1237         // special handling otherwise. A *lot* of the
1238         // above could probably be done similarly ...
1239
1240         case LFUN_HOME:
1241         case LFUN_END:
1242         case LFUN_WORDLEFT:
1243         case LFUN_WORDRIGHT:
1244         // these two are really unhandled ...
1245         case LFUN_ENDBUF:
1246         case LFUN_BEGINNINGBUF:
1247                 updwhat = cursor_update;
1248                 if (!bv->dispatch(cmd))
1249                         result = UNDISPATCHED;
1250                 break;
1251
1252         case LFUN_RIGHTSEL:
1253         case LFUN_UPSEL:
1254         case LFUN_DOWNSEL:
1255         case LFUN_LEFTSEL:
1256         case LFUN_HOMESEL:
1257         case LFUN_ENDSEL:
1258         case LFUN_WORDLEFTSEL:
1259         case LFUN_WORDRIGHTSEL:
1260                 updwhat = SELECTION;
1261
1262                 // fallthrough
1263
1264         default:
1265                 if (!bv->dispatch(cmd))
1266                         result = UNDISPATCHED;
1267                 break;
1268         }
1269
1270         if (updwhat > 0)
1271                 updateLocal(bv, updwhat, updflag);
1272         /// If the action has deleted all text in the inset, we need to change the
1273         // language to the language of the surronding text.
1274         if (!was_empty && paragraphs.begin()->empty() &&
1275             paragraphs.size() == 1) {
1276                 LyXFont font(LyXFont::ALL_IGNORE);
1277                 font.setLanguage(bv->getParentLanguage(this));
1278                 setFont(bv, font, false);
1279         }
1280
1281         if (result >= FINISHED)
1282                 bv->unlockInset(this);
1283
1284         if (result == DISPATCHED_NOUPDATE && (need_update & FULL))
1285                 result = DISPATCHED;
1286         return result;
1287 }
1288
1289
1290 int InsetText::latex(Buffer const * buf, ostream & os,
1291                      LatexRunParams const & runparams) const
1292 {
1293         TexRow texrow;
1294         latexParagraphs(buf, paragraphs, os, texrow, runparams);
1295         return texrow.rows();
1296 }
1297
1298
1299 int InsetText::ascii(Buffer const * buf, ostream & os, int linelen) const
1300 {
1301         unsigned int lines = 0;
1302
1303         ParagraphList::const_iterator beg = paragraphs.begin();
1304         ParagraphList::const_iterator end = paragraphs.end();
1305         ParagraphList::const_iterator it = beg;
1306         for (; it != end; ++it) {
1307                 string const tmp = buf->asciiParagraph(*it, linelen, it == beg);
1308                 lines += lyx::count(tmp.begin(), tmp.end(), '\n');
1309                 os << tmp;
1310         }
1311         return lines;
1312 }
1313
1314
1315 int InsetText::docbook(Buffer const * buf, ostream & os, bool mixcont) const
1316 {
1317         unsigned int lines = 0;
1318
1319         vector<string> environment_stack(10);
1320         vector<string> environment_inner(10);
1321
1322         int const command_depth = 0;
1323         string item_name;
1324
1325         Paragraph::depth_type depth = 0; // paragraph depth
1326
1327         ParagraphList::iterator pit = const_cast<ParagraphList&>(paragraphs).begin();
1328         ParagraphList::iterator pend = const_cast<ParagraphList&>(paragraphs).end();
1329
1330         for (; pit != pend; ++pit) {
1331                 string sgmlparam;
1332                 int desc_on = 0; // description mode
1333
1334                 LyXLayout_ptr const & style = pit->layout();
1335
1336                 // environment tag closing
1337                 for (; depth > pit->params().depth(); --depth) {
1338                         if (environment_inner[depth] != "!-- --") {
1339                                 item_name = "listitem";
1340                                 lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
1341                                 if (environment_inner[depth] == "varlistentry")
1342                                         lines += sgml::closeTag(os, depth+command_depth, mixcont, environment_inner[depth]);
1343                         }
1344                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1345                         environment_stack[depth].erase();
1346                         environment_inner[depth].erase();
1347                 }
1348
1349                 if (depth == pit->params().depth()
1350                    && environment_stack[depth] != style->latexname()
1351                    && !environment_stack[depth].empty()) {
1352                         if (environment_inner[depth] != "!-- --") {
1353                                 item_name= "listitem";
1354                                 lines += sgml::closeTag(os, command_depth+depth, mixcont, item_name);
1355                                 if (environment_inner[depth] == "varlistentry")
1356                                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
1357                         }
1358
1359                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1360
1361                         environment_stack[depth].erase();
1362                         environment_inner[depth].erase();
1363                 }
1364
1365                 // Write opening SGML tags.
1366                 switch (style->latextype) {
1367                 case LATEX_PARAGRAPH:
1368                         lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexname());
1369                         break;
1370
1371                 case LATEX_COMMAND:
1372                         buf->error(ErrorItem(_("Error"), _("LatexType Command not allowed here.\n"), pit->id(), 0, pit->size()));
1373                         return -1;
1374                         break;
1375
1376                 case LATEX_ENVIRONMENT:
1377                 case LATEX_ITEM_ENVIRONMENT:
1378                         if (depth < pit->params().depth()) {
1379                                 depth = pit->params().depth();
1380                                 environment_stack[depth].erase();
1381                         }
1382
1383                         if (environment_stack[depth] != style->latexname()) {
1384                                 if (environment_stack.size() == depth + 1) {
1385                                         environment_stack.push_back("!-- --");
1386                                         environment_inner.push_back("!-- --");
1387                                 }
1388                                 environment_stack[depth] = style->latexname();
1389                                 environment_inner[depth] = "!-- --";
1390                                 lines += sgml::openTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1391                         } else {
1392                                 if (environment_inner[depth] != "!-- --") {
1393                                         item_name= "listitem";
1394                                         lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
1395                                         if (environment_inner[depth] == "varlistentry")
1396                                                 lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
1397                                 }
1398                         }
1399
1400                         if (style->latextype == LATEX_ENVIRONMENT) {
1401                                 if (!style->latexparam().empty()) {
1402                                         if (style->latexparam() == "CDATA")
1403                                                 os << "<![CDATA[";
1404                                         else
1405                                           lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexparam());
1406                                 }
1407                                 break;
1408                         }
1409
1410                         desc_on = (style->labeltype == LABEL_MANUAL);
1411
1412                         environment_inner[depth] = desc_on ? "varlistentry" : "listitem";
1413                         lines += sgml::openTag(os, depth + 1 + command_depth, mixcont, environment_inner[depth]);
1414
1415                         item_name = desc_on ? "term" : "para";
1416                         lines += sgml::openTag(os, depth + 1 + command_depth, mixcont, item_name);
1417
1418                         break;
1419                 default:
1420                         lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexname());
1421                         break;
1422                 }
1423
1424                 buf->simpleDocBookOnePar(os, pit, desc_on, depth + 1 + command_depth);
1425
1426                 string end_tag;
1427                 // write closing SGML tags
1428                 switch (style->latextype) {
1429                 case LATEX_ENVIRONMENT:
1430                         if (!style->latexparam().empty()) {
1431                                 if (style->latexparam() == "CDATA")
1432                                         os << "]]>";
1433                                 else
1434                                         lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexparam());
1435                         }
1436                         break;
1437                 case LATEX_ITEM_ENVIRONMENT:
1438                         if (desc_on == 1) break;
1439                         end_tag= "para";
1440                         lines += sgml::closeTag(os, depth + 1 + command_depth, mixcont, end_tag);
1441                         break;
1442                 case LATEX_PARAGRAPH:
1443                         lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexname());
1444                         break;
1445                 default:
1446                         lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexname());
1447                         break;
1448                 }
1449         }
1450
1451         // Close open tags
1452         for (int d = depth; d >= 0; --d) {
1453                 if (!environment_stack[depth].empty()) {
1454                         if (environment_inner[depth] != "!-- --") {
1455                                 item_name = "listitem";
1456                                 lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
1457                                if (environment_inner[depth] == "varlistentry")
1458                                        lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
1459                         }
1460
1461                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1462                 }
1463         }
1464
1465         return lines;
1466 }
1467
1468
1469 void InsetText::validate(LaTeXFeatures & features) const
1470 {
1471         for_each(paragraphs.begin(), paragraphs.end(),
1472                  boost::bind(&Paragraph::validate, _1, boost::ref(features)));
1473 }
1474
1475
1476 void InsetText::getCursor(BufferView & bv, int & x, int & y) const
1477 {
1478         if (the_locking_inset) {
1479                 the_locking_inset->getCursor(bv, x, y);
1480                 return;
1481         }
1482         x = cx(&bv);
1483         y = cy() + InsetText::y();
1484 }
1485
1486
1487 void InsetText::getCursorPos(BufferView * bv, int & x, int & y) const
1488 {
1489         if (the_locking_inset) {
1490                 the_locking_inset->getCursorPos(bv, x, y);
1491                 return;
1492         }
1493         x = cx(bv) - top_x - TEXT_TO_INSET_OFFSET;
1494         y = cy() - TEXT_TO_INSET_OFFSET;
1495 }
1496
1497
1498 int InsetText::insetInInsetY() const
1499 {
1500         if (!the_locking_inset)
1501                 return 0;
1502
1503         return (inset_y + the_locking_inset->insetInInsetY());
1504 }
1505
1506
1507 void InsetText::fitInsetCursor(BufferView * bv) const
1508 {
1509         if (the_locking_inset) {
1510                 the_locking_inset->fitInsetCursor(bv);
1511                 return;
1512         }
1513         LyXFont const font = text_.getFont(bv->buffer(), cpar(), cpos());
1514
1515         int const asc = font_metrics::maxAscent(font);
1516         int const desc = font_metrics::maxDescent(font);
1517
1518         if (bv->fitLockedInsetCursor(cx(bv), cy(), asc, desc))
1519                 need_update |= FULL;
1520 }
1521
1522
1523 Inset::RESULT
1524 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1525 {
1526         if (text_.cursor.par()->isRightToLeftPar(bv->buffer()->params))
1527                 return moveLeftIntern(bv, false, activate_inset, selecting);
1528         else
1529                 return moveRightIntern(bv, true, activate_inset, selecting);
1530 }
1531
1532
1533 Inset::RESULT
1534 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1535 {
1536         if (text_.cursor.par()->isRightToLeftPar(bv->buffer()->params))
1537                 return moveRightIntern(bv, true, activate_inset, selecting);
1538         else
1539                 return moveLeftIntern(bv, false, activate_inset, selecting);
1540 }
1541
1542
1543 Inset::RESULT
1544 InsetText::moveRightIntern(BufferView * bv, bool front,
1545                            bool activate_inset, bool selecting)
1546 {
1547         ParagraphList::iterator c_par = cpar();
1548
1549         if (boost::next(c_par) == paragraphs.end() && cpos() >= c_par->size())
1550                 return FINISHED_RIGHT;
1551         if (activate_inset && checkAndActivateInset(bv, front))
1552                 return DISPATCHED;
1553         text_.cursorRight(bv);
1554         if (!selecting)
1555                 text_.clearSelection();
1556         return DISPATCHED_NOUPDATE;
1557 }
1558
1559
1560 Inset::RESULT
1561 InsetText::moveLeftIntern(BufferView * bv, bool front,
1562                           bool activate_inset, bool selecting)
1563 {
1564         if (cpar() == paragraphs.begin() && cpos() <= 0)
1565                 return FINISHED;
1566         text_.cursorLeft(bv);
1567         if (!selecting)
1568                 text_.clearSelection();
1569         if (activate_inset && checkAndActivateInset(bv, front))
1570                 return DISPATCHED;
1571         return DISPATCHED_NOUPDATE;
1572 }
1573
1574
1575 Inset::RESULT InsetText::moveUp(BufferView * bv)
1576 {
1577         if (crow() == text_.rows().begin())
1578                 return FINISHED_UP;
1579         text_.cursorUp(bv);
1580         text_.clearSelection();
1581         return DISPATCHED_NOUPDATE;
1582 }
1583
1584
1585 Inset::RESULT InsetText::moveDown(BufferView * bv)
1586 {
1587         if (boost::next(crow()) == text_.rows().end())
1588                 return FINISHED_DOWN;
1589         text_.cursorDown(bv);
1590         text_.clearSelection();
1591         return DISPATCHED_NOUPDATE;
1592 }
1593
1594
1595 bool InsetText::insertInset(BufferView * bv, Inset * inset)
1596 {
1597         if (the_locking_inset) {
1598                 if (the_locking_inset->insetAllowed(inset))
1599                         return the_locking_inset->insertInset(bv, inset);
1600                 return false;
1601         }
1602         inset->setOwner(this);
1603         text_.insertInset(inset);
1604         bv->fitCursor();
1605         updateLocal(bv, CURSOR_PAR|CURSOR, true);
1606         return true;
1607 }
1608
1609
1610 bool InsetText::insetAllowed(Inset::Code code) const
1611 {
1612         // in_insetAllowed is a really gross hack,
1613         // to allow us to call the owner's insetAllowed
1614         // without stack overflow, which can happen
1615         // when the owner uses InsetCollapsable::insetAllowed()
1616         bool ret = true;
1617         if (in_insetAllowed)
1618                 return ret;
1619         in_insetAllowed = true;
1620         if (the_locking_inset)
1621                 ret = the_locking_inset->insetAllowed(code);
1622         else if (owner())
1623                 ret = owner()->insetAllowed(code);
1624         in_insetAllowed = false;
1625         return ret;
1626 }
1627
1628
1629 UpdatableInset * InsetText::getLockingInset() const
1630 {
1631         return the_locking_inset ? the_locking_inset->getLockingInset() :
1632                 const_cast<InsetText *>(this);
1633 }
1634
1635
1636 UpdatableInset * InsetText::getFirstLockingInsetOfType(Inset::Code c)
1637 {
1638         if (c == lyxCode())
1639                 return this;
1640         if (the_locking_inset)
1641                 return the_locking_inset->getFirstLockingInsetOfType(c);
1642         return 0;
1643 }
1644
1645
1646 bool InsetText::showInsetDialog(BufferView * bv) const
1647 {
1648         if (the_locking_inset)
1649                 return the_locking_inset->showInsetDialog(bv);
1650         return false;
1651 }
1652
1653
1654 void InsetText::getLabelList(std::vector<string> & list) const
1655 {
1656         ParagraphList::const_iterator pit = paragraphs.begin();
1657         ParagraphList::const_iterator pend = paragraphs.end();
1658         for (; pit != pend; ++pit) {
1659                 InsetList::const_iterator beg = pit->insetlist.begin();
1660                 InsetList::const_iterator end = pit->insetlist.end();
1661                 for (; beg != end; ++beg)
1662                         beg->inset->getLabelList(list);
1663         }
1664 }
1665
1666
1667 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
1668                         bool selectall)
1669 {
1670         if (the_locking_inset) {
1671                 the_locking_inset->setFont(bv, font, toggleall, selectall);
1672                 return;
1673         }
1674
1675         if ((paragraphs.size() == 1 && paragraphs.begin()->empty())
1676             || cpar()->empty()) {
1677                 text_.setFont(font, toggleall);
1678                 return;
1679         }
1680
1681
1682         if (text_.selection.set())
1683                 setUndo(bv, Undo::EDIT, text_.cursor.par());
1684
1685         if (selectall) {
1686                 text_.cursorTop();
1687                 text_.selection.cursor = text_.cursor;
1688                 text_.cursorBottom();
1689                 text_.setSelection();
1690         }
1691
1692         text_.toggleFree(font, toggleall);
1693
1694         if (selectall)
1695                 text_.clearSelection();
1696
1697         bv->fitCursor();
1698
1699         bool flag = (selectall || text_.selection.set());
1700
1701         if (flag)
1702                 updateLocal(bv, FULL, true);
1703         else
1704                 updateLocal(bv, CURSOR_PAR, true);
1705 }
1706
1707
1708 bool InsetText::checkAndActivateInset(BufferView * bv, bool front)
1709 {
1710         if (cpar()->isInset(cpos())) {
1711                 Inset * inset =
1712                         static_cast<UpdatableInset*>(cpar()->getInset(cpos()));
1713                 if (!isHighlyEditableInset(inset))
1714                         return false;
1715                 FuncRequest cmd(bv, LFUN_INSET_EDIT, front ? "left" : "right");
1716                 inset->localDispatch(cmd);
1717                 if (!the_locking_inset)
1718                         return false;
1719                 updateLocal(bv, CURSOR, false);
1720                 return true;
1721         }
1722         return false;
1723 }
1724
1725
1726 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1727                                       mouse_button::state button)
1728 {
1729         x -= drawTextXOffset;
1730         int dummyx = x;
1731         int dummyy = y + dim_.asc;
1732         Inset * inset = getLyXText(bv)->checkInsetHit(dummyx, dummyy);
1733         // we only do the edit() call if the inset was hit by the mouse
1734         // or if it is a highly editable inset. So we should call this
1735         // function from our own edit with button < 0.
1736         // FIXME: GUII jbl. I've changed this to ::none for now which is probably
1737         // WRONG
1738         if (button == mouse_button::none && !isHighlyEditableInset(inset))
1739                 return false;
1740
1741         if (inset) {
1742                 if (x < 0)
1743                         x = dim_.wid;
1744                 if (y < 0)
1745                         y = dim_.des;
1746                 inset_x = cix(bv) - top_x + drawTextXOffset;
1747                 inset_y = ciy() + drawTextYOffset;
1748                 FuncRequest cmd(bv, LFUN_INSET_EDIT, x - inset_x, y - inset_y, button);
1749                 inset->localDispatch(cmd);
1750                 if (!the_locking_inset)
1751                         return false;
1752                 updateLocal(bv, CURSOR, false);
1753                 return true;
1754         }
1755         return false;
1756 }
1757
1758
1759 void InsetText::setParagraphData(ParagraphList const & plist)
1760 {
1761         // we have to unlock any locked inset otherwise we're in troubles
1762         the_locking_inset = 0;
1763
1764         // But it it makes no difference that is a lot better.
1765 #warning FIXME.
1766         // See if this can be simplified when std::list is in effect.
1767         paragraphs.clear();
1768
1769         ParagraphList::const_iterator it = plist.begin();
1770         ParagraphList::const_iterator end = plist.end();
1771         for (; it != end; ++it) {
1772                 paragraphs.push_back(*it);
1773                 Paragraph & tmp = paragraphs.back();
1774                 tmp.setInsetOwner(this);
1775         }
1776
1777         reinitLyXText();
1778         need_update = INIT;
1779 }
1780
1781
1782 void InsetText::markNew(bool track_changes)
1783 {
1784         ParagraphList::iterator pit = paragraphs.begin();
1785         ParagraphList::iterator pend = paragraphs.end();
1786         for (; pit != pend; ++pit) {
1787                 if (track_changes) {
1788                         pit->trackChanges();
1789                 } else {
1790                         // no-op when not tracking
1791                         pit->cleanChanges();
1792                 }
1793         }
1794 }
1795
1796
1797 void InsetText::setText(string const & data, LyXFont const & font)
1798 {
1799         clear(false);
1800         for (unsigned int i = 0; i < data.length(); ++i)
1801                 paragraphs.begin()->insertChar(i, data[i], font);
1802         reinitLyXText();
1803 }
1804
1805
1806 void InsetText::setAutoBreakRows(bool flag)
1807 {
1808         if (flag != autoBreakRows) {
1809                 autoBreakRows = flag;
1810                 if (!flag)
1811                         removeNewlines();
1812                 need_update = INIT;
1813         }
1814 }
1815
1816
1817 void InsetText::setDrawFrame(BufferView * bv, DrawFrame how)
1818 {
1819         if (how != drawFrame_) {
1820                 drawFrame_ = how;
1821                 if (bv)
1822                         updateLocal(bv, DRAW_FRAME, false);
1823         }
1824 }
1825
1826
1827 void InsetText::setFrameColor(BufferView * bv, LColor::color col)
1828 {
1829         if (frame_color != col) {
1830                 frame_color = col;
1831                 if (bv)
1832                         updateLocal(bv, DRAW_FRAME, false);
1833         }
1834 }
1835
1836
1837 int InsetText::cx(BufferView * bv) const
1838 {
1839         int x = text_.cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1840         if (the_locking_inset) {
1841                 LyXFont font = text_.getFont(bv->buffer(), text_.cursor.par(),
1842                                             text_.cursor.pos());
1843                 if (font.isVisibleRightToLeft())
1844                         x -= the_locking_inset->width();
1845         }
1846         return x;
1847 }
1848
1849
1850 int InsetText::cix(BufferView * bv) const
1851 {
1852         int x = text_.cursor.ix() + top_x + TEXT_TO_INSET_OFFSET;
1853         if (the_locking_inset) {
1854                 LyXFont font = text_.getFont(bv->buffer(), text_.cursor.par(),
1855                                             text_.cursor.pos());
1856                 if (font.isVisibleRightToLeft())
1857                         x -= the_locking_inset->width();
1858         }
1859         return x;
1860 }
1861
1862
1863 int InsetText::cy() const
1864 {
1865         return text_.cursor.y() - dim_.asc + TEXT_TO_INSET_OFFSET;
1866 }
1867
1868
1869 int InsetText::ciy() const
1870 {
1871         return text_.cursor.iy() - dim_.asc + TEXT_TO_INSET_OFFSET;
1872 }
1873
1874
1875 pos_type InsetText::cpos() const
1876 {
1877         return text_.cursor.pos();
1878 }
1879
1880
1881 ParagraphList::iterator InsetText::cpar() const
1882 {
1883         return text_.cursor.par();
1884 }
1885
1886
1887 bool InsetText::cboundary() const
1888 {
1889         return text_.cursor.boundary();
1890 }
1891
1892
1893 RowList::iterator InsetText::crow() const
1894 {
1895         return text_.cursorRow();
1896 }
1897
1898
1899 LyXText * InsetText::getLyXText(BufferView const * bv,
1900                                 bool const recursive) const
1901 {
1902         setViewCache(bv);
1903         if (recursive && the_locking_inset)
1904                 return the_locking_inset->getLyXText(bv, true);
1905         return &text_;
1906 }
1907
1908
1909 void InsetText::setViewCache(BufferView const * bv) const
1910 {
1911         if (bv)
1912                 text_.bv_owner = const_cast<BufferView *>(bv);
1913 }
1914
1915
1916 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1917 {
1918         if (recursive) {
1919                 /// then remove all LyXText in text-insets
1920                 for_each(const_cast<ParagraphList&>(paragraphs).begin(),
1921                          const_cast<ParagraphList&>(paragraphs).end(),
1922                          boost::bind(&Paragraph::deleteInsetsLyXText, _1, bv));
1923         }
1924 }
1925
1926
1927 void InsetText::resizeLyXText(BufferView * bv, bool force) const
1928 {
1929         if (paragraphs.size() == 1 && paragraphs.begin()->empty()) {
1930                 // no data, resize not neccessary!
1931                 // we have to do this as a fixed width may have changed!
1932                 saveLyXTextState();
1933                 text_.init(bv);
1934                 restoreLyXTextState();
1935                 return;
1936         }
1937
1938         if (!bv)
1939                 return;
1940
1941         Assert(bv);
1942         setViewCache(bv);
1943
1944         saveLyXTextState();
1945
1946         for_each(const_cast<ParagraphList&>(paragraphs).begin(),
1947                  const_cast<ParagraphList&>(paragraphs).end(),
1948                  boost::bind(&Paragraph::resizeInsetsLyXText, _1, bv));
1949
1950         text_.init(bv);
1951         restoreLyXTextState();
1952
1953         // seems to be unneeded
1954 #if 1
1955         if (the_locking_inset) {
1956                 inset_x = cix(bv) - top_x + drawTextXOffset;
1957                 inset_y = ciy() + drawTextYOffset;
1958         }
1959
1960         text_.top_y(bv->screen().topCursorVisible(&text_));
1961         if (!owner()) {
1962                 const_cast<InsetText*>(this)->updateLocal(bv, FULL, false);
1963                 // this will scroll the screen such that the cursor becomes visible
1964                 bv->updateScrollbar();
1965         } else {
1966                 need_update |= FULL;
1967         }
1968 #endif
1969 }
1970
1971
1972 void InsetText::reinitLyXText() const
1973 {
1974         BufferView * bv = text_.bv_owner;
1975
1976         if (!bv)
1977                 return;
1978
1979         saveLyXTextState();
1980
1981         for_each(const_cast<ParagraphList&>(paragraphs).begin(),
1982                  const_cast<ParagraphList&>(paragraphs).end(),
1983                  boost::bind(&Paragraph::resizeInsetsLyXText, _1, bv));
1984
1985         text_.init(bv);
1986         restoreLyXTextState();
1987         if (the_locking_inset) {
1988                 inset_x = cix(bv) - top_x + drawTextXOffset;
1989                 inset_y = ciy() + drawTextYOffset;
1990         }
1991         text_.top_y(bv->screen().topCursorVisible(&text_));
1992         if (!owner()) {
1993                 const_cast<InsetText*>(this)->updateLocal(bv, FULL, false);
1994                 // this will scroll the screen such that the cursor becomes visible
1995                 bv->updateScrollbar();
1996         } else {
1997                 need_update = FULL;
1998         }
1999 }
2000
2001
2002 void InsetText::removeNewlines()
2003 {
2004         bool changed = false;
2005
2006         ParagraphList::iterator it = paragraphs.begin();
2007         ParagraphList::iterator end = paragraphs.end();
2008         for (; it != end; ++it) {
2009                 for (int i = 0; i < it->size(); ++i) {
2010                         if (it->isNewline(i)) {
2011                                 changed = true;
2012                                 it->erase(i);
2013                         }
2014                 }
2015         }
2016         if (changed)
2017                 reinitLyXText();
2018 }
2019
2020
2021 bool InsetText::nodraw() const
2022 {
2023         if (the_locking_inset)
2024                 return the_locking_inset->nodraw();
2025         return UpdatableInset::nodraw();
2026 }
2027
2028
2029 int InsetText::scroll(bool recursive) const
2030 {
2031         int sx = UpdatableInset::scroll(false);
2032
2033         if (recursive && the_locking_inset)
2034                 sx += the_locking_inset->scroll(recursive);
2035
2036         return sx;
2037 }
2038
2039
2040 void InsetText::clearSelection(BufferView * bv)
2041 {
2042         getLyXText(bv)->clearSelection();
2043 }
2044
2045
2046 void InsetText::clearInset(BufferView * bv, int start_x, int baseline) const
2047 {
2048         Painter & pain = bv->painter();
2049         int w = dim_.wid;
2050         int h = dim_.asc + dim_.des;
2051         int ty = baseline - dim_.asc;
2052
2053         if (ty < 0) {
2054                 h += ty;
2055                 ty = 0;
2056         }
2057         if ((ty + h) > pain.paperHeight())
2058                 h = pain.paperHeight();
2059         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
2060                 w = pain.paperWidth();
2061         pain.fillRectangle(start_x + 1, ty + 1, w - 3, h - 1, backgroundColor());
2062         need_update = FULL;
2063 }
2064
2065
2066 ParagraphList * InsetText::getParagraphs(int i) const
2067 {
2068         return (i == 0) ? const_cast<ParagraphList*>(&paragraphs) : 0;
2069 }
2070
2071
2072 LyXCursor const & InsetText::cursor(BufferView * bv) const
2073 {
2074         if (the_locking_inset)
2075                 return the_locking_inset->cursor(bv);
2076         return getLyXText(bv)->cursor;
2077 }
2078
2079
2080 Inset * InsetText::getInsetFromID(int id_arg) const
2081 {
2082         if (id_arg == id())
2083                 return const_cast<InsetText *>(this);
2084
2085         ParagraphList::const_iterator pit = paragraphs.begin();
2086         ParagraphList::const_iterator pend = paragraphs.end();
2087         for (; pit != pend; ++pit) {
2088                 InsetList::const_iterator it = pit->insetlist.begin();
2089                 InsetList::const_iterator end = pit->insetlist.end();
2090                 for (; it != end; ++it) {
2091                         if (it->inset->id() == id_arg)
2092                                 return it->inset;
2093                         Inset * in = it->inset->getInsetFromID(id_arg);
2094                         if (in)
2095                                 return in;
2096                 }
2097         }
2098         return 0;
2099 }
2100
2101
2102 WordLangTuple const
2103 InsetText::selectNextWordToSpellcheck(BufferView * bv, float & value) const
2104 {
2105         WordLangTuple word;
2106         if (the_locking_inset) {
2107                 word = the_locking_inset->selectNextWordToSpellcheck(bv, value);
2108                 if (!word.word().empty()) {
2109                         value += cy();
2110                         return word;
2111                 }
2112                 // we have to go on checking so move cursor to the next char
2113                 text_.cursor.pos(text_.cursor.pos() + 1);
2114         }
2115         word = text_.selectNextWordToSpellcheck(value);
2116         if (word.word().empty())
2117                 bv->unlockInset(const_cast<InsetText *>(this));
2118         else
2119                 value = cy();
2120         return word;
2121 }
2122
2123
2124 void InsetText::selectSelectedWord(BufferView * bv)
2125 {
2126         if (the_locking_inset) {
2127                 the_locking_inset->selectSelectedWord(bv);
2128                 return;
2129         }
2130         getLyXText(bv)->selectSelectedWord();
2131         updateLocal(bv, SELECTION, false);
2132 }
2133
2134
2135 void InsetText::toggleSelection(BufferView * bv, bool kill_selection)
2136 {
2137         if (the_locking_inset) {
2138                 the_locking_inset->toggleSelection(bv, kill_selection);
2139         }
2140
2141         int x = top_x + TEXT_TO_INSET_OFFSET;
2142
2143         RowList::iterator rowit = text_.rows().begin();
2144         RowList::iterator end = text_.rows().end();
2145         int y_offset = top_baseline - rowit->ascent_of_text();
2146         int y = y_offset;
2147         while ((rowit != end) && ((y + rowit->height()) <= 0)) {
2148                 y += rowit->height();
2149                 ++rowit;
2150         }
2151         if (y_offset < 0)
2152                 y_offset = y;
2153
2154         if (need_update & SELECTION)
2155                 need_update = NONE;
2156         bv->screen().toggleSelection(&text_, bv, kill_selection, y_offset, x);
2157 }
2158
2159
2160 bool InsetText::nextChange(BufferView * bv, lyx::pos_type & length)
2161 {
2162         if (the_locking_inset) {
2163                 if (the_locking_inset->nextChange(bv, length))
2164                         return true;
2165                 text_.cursorRight(true);
2166         }
2167         lyxfind::SearchResult result =
2168                 lyxfind::findNextChange(bv, &text_, length);
2169
2170         if (result == lyxfind::SR_FOUND) {
2171                 LyXCursor cur = text_.cursor;
2172                 bv->unlockInset(bv->theLockingInset());
2173                 if (bv->lockInset(this))
2174                         locked = true;
2175                 text_.cursor = cur;
2176                 text_.setSelectionRange(length);
2177                 updateLocal(bv, SELECTION, false);
2178         }
2179         return result != lyxfind::SR_NOT_FOUND;
2180 }
2181
2182
2183 bool InsetText::searchForward(BufferView * bv, string const & str,
2184                               bool cs, bool mw)
2185 {
2186         if (the_locking_inset) {
2187                 if (the_locking_inset->searchForward(bv, str, cs, mw))
2188                         return true;
2189                 text_.cursorRight(true);
2190         }
2191         lyxfind::SearchResult result =
2192                 lyxfind::LyXFind(bv, &text_, str, true, cs, mw);
2193
2194         if (result == lyxfind::SR_FOUND) {
2195                 LyXCursor cur = text_.cursor;
2196                 bv->unlockInset(bv->theLockingInset());
2197                 if (bv->lockInset(this))
2198                         locked = true;
2199                 text_.cursor = cur;
2200                 text_.setSelectionRange(str.length());
2201                 updateLocal(bv, SELECTION, false);
2202         }
2203         return (result != lyxfind::SR_NOT_FOUND);
2204 }
2205
2206 bool InsetText::searchBackward(BufferView * bv, string const & str,
2207                                bool cs, bool mw)
2208 {
2209         if (the_locking_inset) {
2210                 if (the_locking_inset->searchBackward(bv, str, cs, mw))
2211                         return true;
2212         }
2213         if (!locked) {
2214                 ParagraphList::iterator pit = paragraphs.begin();
2215                 ParagraphList::iterator pend = paragraphs.end();
2216
2217                 while (boost::next(pit) != pend)
2218                         ++pit;
2219
2220                 text_.setCursor(pit, pit->size());
2221         }
2222         lyxfind::SearchResult result =
2223                 lyxfind::LyXFind(bv, &text_, str, false, cs, mw);
2224
2225         if (result == lyxfind::SR_FOUND) {
2226                 LyXCursor cur = text_.cursor;
2227                 bv->unlockInset(bv->theLockingInset());
2228                 if (bv->lockInset(this))
2229                         locked = true;
2230                 text_.cursor = cur;
2231                 text_.setSelectionRange(str.length());
2232                 updateLocal(bv, SELECTION, false);
2233         }
2234         return (result != lyxfind::SR_NOT_FOUND);
2235 }
2236
2237
2238 bool InsetText::checkInsertChar(LyXFont & font)
2239 {
2240         if (owner())
2241                 return owner()->checkInsertChar(font);
2242         return true;
2243 }
2244
2245
2246 void InsetText::collapseParagraphs(BufferView * bv)
2247 {
2248         while (paragraphs.size() > 1) {
2249                 ParagraphList::iterator first_par = paragraphs.begin();
2250                 ParagraphList::iterator next_par = boost::next(first_par);
2251                 size_t const first_par_size = first_par->size();
2252
2253                 if (!first_par->empty() &&
2254                     !next_par->empty() &&
2255                     !first_par->isSeparator(first_par_size - 1)) {
2256                         first_par->insertChar(first_par_size, ' ');
2257                 }
2258
2259                 if (text_.selection.set()) {
2260                         if (text_.selection.start.par() == next_par) {
2261                                 text_.selection.start.par(first_par);
2262                                 text_.selection.start.pos(
2263                                         text_.selection.start.pos() + first_par_size);
2264                         }
2265                         if (text_.selection.end.par() == next_par) {
2266                                 text_.selection.end.par(first_par);
2267                                 text_.selection.end.pos(
2268                                         text_.selection.end.pos() + first_par_size);
2269                         }
2270                 }
2271
2272                 mergeParagraph(bv->buffer()->params, paragraphs, first_par);
2273         }
2274         reinitLyXText();
2275 }
2276
2277
2278 void InsetText::getDrawFont(LyXFont & font) const
2279 {
2280         if (!owner())
2281                 return;
2282         owner()->getDrawFont(font);
2283 }
2284
2285
2286 void InsetText::appendParagraphs(Buffer * buffer, ParagraphList & plist)
2287 {
2288 #warning FIXME Check if Changes stuff needs changing here. (Lgb)
2289 // And it probably does. You have to take a look at this John. (Lgb)
2290 #warning John, have a look here. (Lgb)
2291         ParagraphList::iterator pit = plist.begin();
2292         ParagraphList::iterator ins = paragraphs.insert(paragraphs.end(), *pit);
2293         ++pit;
2294         mergeParagraph(buffer->params, paragraphs, boost::prior(ins));
2295
2296         ParagraphList::iterator pend = plist.end();
2297         for (; pit != pend; ++pit) {
2298                 paragraphs.push_back(*pit);
2299         }
2300
2301         reinitLyXText();
2302 }
2303
2304
2305 void InsetText::addPreview(PreviewLoader & loader) const
2306 {
2307         ParagraphList::const_iterator pit = paragraphs.begin();
2308         ParagraphList::const_iterator pend = paragraphs.end();
2309
2310         for (; pit != pend; ++pit) {
2311                 InsetList::const_iterator it  = pit->insetlist.begin();
2312                 InsetList::const_iterator end = pit->insetlist.end();
2313                 for (; it != end; ++it) {
2314                         it->inset->addPreview(loader);
2315                 }
2316         }
2317 }